CN108448673B - A charging method, mobile terminal and charger - Google Patents

Abstract

The invention provides a charging method, a mobile terminal and a charger, wherein the method comprises the following steps: carrying out constant current charging on a battery of the mobile terminal; controlling a communication signal transmitted between the mobile terminal and the charger to be in a low level state under the condition that the voltage value of a battery of the mobile terminal reaches a preset voltage threshold value and the current value of the charging current output by the charger is detected not to be reduced from a first current value to a second current value; after the first preset time period, controlling a communication signal transmitted between the mobile terminal and the charger to be in a high level state, and sending a first current reduction instruction to the charger. In this way, the charger performs the reset communication path operation by controlling the communication signal transmitted between the mobile terminal and the charger to be in a low level state for a period of time, and then responds to the first current reduction command sent by the mobile terminal, so that the current value of the charging current output by the charger can be reduced. The risk of damage to the battery of the mobile terminal may be reduced.

Description

Translated fromChinese

一种充电方法、移动终端和充电器A charging method, mobile terminal and charger

技术领域technical field

本发明涉及通信技术领域，尤其涉及一种充电方法、移动终端和充电器。The present invention relates to the field of communication technologies, and in particular, to a charging method, a mobile terminal and a charger.

背景技术Background technique

目前，为移动终端的电池充电时，可以使用快充技术。快充技术的控制方式可以为电压环控制方式和电流环控制方式。对于电流环控制方式，可以使充电器始终输出固定的电流，不受充电器的输出电压的影响。电流环控制方式会存在一定的安全风险。在充电过程中，当移动终端的电池的电压达到一定值之后，充电器的输出电流不能过大。如果此时充电器出现故障，充电器可能仍然以较大电流为移动终端的电池充电，会使移动终端的电池温度升高，移动终端的电池被损坏的风险较大。Currently, when charging the battery of a mobile terminal, a fast charging technology can be used. The control method of the fast charging technology can be a voltage loop control method and a current loop control method. For the current loop control mode, the charger can always output a fixed current, which is not affected by the output voltage of the charger. The current loop control method has certain safety risks. During the charging process, when the voltage of the battery of the mobile terminal reaches a certain value, the output current of the charger cannot be too large. If the charger fails at this time, the charger may still charge the battery of the mobile terminal with a relatively large current, which will increase the temperature of the battery of the mobile terminal, and the risk of damage to the battery of the mobile terminal is high.

发明内容SUMMARY OF THE INVENTION

本发明实施例提供一种充电方法、移动终端和充电器，以解决现有技术中，使用电流环控制方式进行快充时，移动终端的电池被损坏的风险较大的问题。Embodiments of the present invention provide a charging method, a mobile terminal, and a charger, so as to solve the problem in the prior art that the battery of the mobile terminal has a high risk of being damaged when the current loop control method is used for fast charging.

为了解决上述技术问题，本发明是这样实现的：In order to solve the above-mentioned technical problems, the present invention is achieved in this way:

第一方面，本发明实施例提供了一种充电方法，应用于移动终端，所述方法包括：In a first aspect, an embodiment of the present invention provides a charging method, which is applied to a mobile terminal, and the method includes:

根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；performing constant current charging on the battery of the mobile terminal according to the charging current of the first current value output by the charger;

在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；When the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger does not decrease from the first current value to the second current value, the mobile terminal is controlled to move The communication signal transmitted between the terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period;

经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。After the first preset time period elapses, the communication signal transmitted between the mobile terminal and the charger is controlled to be in a high-level state, and a first current reduction command is sent to the charger, wherein the When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, the charger performs an operation of resetting the communication path, and responds to the first current reduction command .

第二方面，本发明实施例还提供一种充电方法，应用于充电器，所述方法包括：In a second aspect, an embodiment of the present invention further provides a charging method, which is applied to a charger, and the method includes:

向移动终端输出电流值为第一电流值的充电电流；outputting a charging current whose current value is the first current value to the mobile terminal;

若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作；If it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period, the operation of resetting the communication path is performed;

接收所述移动终端发送的第一降低电流指令；receiving a first current reduction instruction sent by the mobile terminal;

根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值。According to the first current reduction command, the current value of the output charging current is reduced from the first current value to the second current value.

第三方面，本发明实施例还提供一种移动终端，包括：In a third aspect, an embodiment of the present invention further provides a mobile terminal, including:

恒流充电模块，用于根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；a constant current charging module, configured to perform constant current charging on the battery of the mobile terminal according to the charging current output by the charger as a first current value;

控制模块，用于在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；The control module is used for when the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger does not decrease from the first current value to the second current value , controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state, and the duration of the low-level state is a first preset time period;

第一发送模块，用于经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。a first sending module, configured to control the communication signal transmitted between the mobile terminal and the charger to be in a high-level state after the first preset time period elapses, and send a first drop to the charger A current command, wherein the charger performs an operation of resetting the communication path when detecting that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, and responds the first lowering current command.

第四方面，本发明实施例还提供一种充电器，包括：In a fourth aspect, an embodiment of the present invention further provides a charger, including:

第一输出模块，用于向移动终端输出电流值为第一电流值的充电电流；a first output module, configured to output a charging current whose current value is the first current value to the mobile terminal;

复位模块，用于若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作；A reset module, configured to perform reset communication if it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period access operation;

第一接收模块，用于接收所述移动终端发送的第一降低电流指令；a first receiving module, configured to receive a first current reduction instruction sent by the mobile terminal;

降低模块，用于根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值。A reduction module, configured to reduce the current value of the output charging current from the first current value to the second current value according to the first current reduction instruction.

第五方面，本发明实施例还提供一种移动终端，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述充电方法的步骤。In a fifth aspect, an embodiment of the present invention further provides a mobile terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor When implementing the steps of the above charging method.

第六方面，本发明实施例还提供一种充电器，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述充电方法的步骤。In a sixth aspect, an embodiment of the present invention further provides a charger, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor When implementing the steps of the above charging method.

这样，本发明实施例中，根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。因此，通过控制移动终端与充电器之间传输的通信信号处于低电平状态一段时间的方式，使充电器进行复位通信通路操作，进而响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升，从而降低移动终端的电池被损坏的风险。In this way, in the embodiment of the present invention, the battery of the mobile terminal is charged with a constant current according to the charging current of the first current value output by the charger; the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and when it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, the communication signal transmitted between the mobile terminal and the charger is controlled to be low level state, and the duration of the low level state is a first preset time period; after the first preset time period, the communication signal transmitted between the mobile terminal and the charger is controlled to be at a high level level state, and sends a first current reduction command to the charger, wherein the charger detects that the communication signal is in a low-level state, and the duration of the low-level state is a first preset In the case of a time period, a reset communication path operation is performed and the first current reduction command is responded to. Therefore, by controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state for a period of time, the charger can perform a reset communication path operation, and then respond to the first current reduction command sent by the mobile terminal, the charger can be reduced The current value of the output charging current controls the temperature rise of the battery of the mobile terminal, thereby reducing the risk of damage to the battery of the mobile terminal.

附图说明Description of drawings

图1是本发明实施例提供的一种充电方法的流程图；1 is a flowchart of a charging method provided by an embodiment of the present invention;

图2是本发明实施例提供的移动终端与充电器的连接示意图；2 is a schematic diagram of a connection between a mobile terminal and a charger provided by an embodiment of the present invention;

图3是本发明实施例提供的充电器为移动终端充电的示意图；3 is a schematic diagram of charging a mobile terminal by a charger provided by an embodiment of the present invention;

图4是本发明实施例提供的另一种充电方法的流程图；4 is a flowchart of another charging method provided by an embodiment of the present invention;

图5是本发明实施例提供的另一种充电方法的流程图；5 is a flowchart of another charging method provided by an embodiment of the present invention;

图6是本发明实施例提供的另一种充电方法的流程图；6 is a flowchart of another charging method provided by an embodiment of the present invention;

图7是本发明实施例提供的一种移动终端的结构图；7 is a structural diagram of a mobile terminal provided by an embodiment of the present invention;

图8是本发明实施例提供的另一种移动终端的结构图；8 is a structural diagram of another mobile terminal provided by an embodiment of the present invention;

图9是本发明实施例提供的另一种移动终端的结构图；9 is a structural diagram of another mobile terminal provided by an embodiment of the present invention;

图10是本发明实施例提供的一种充电器的结构图；10 is a structural diagram of a charger according to an embodiment of the present invention;

图11是本发明实施例提供的另一种充电器的结构图；11 is a structural diagram of another charger provided by an embodiment of the present invention;

图12是本发明实施例提供的另一种充电器的结构图；12 is a structural diagram of another charger provided by an embodiment of the present invention;

图13是本发明实施例提供的一种移动终端的硬件结构示意图；13 is a schematic diagram of a hardware structure of a mobile terminal provided by an embodiment of the present invention;

图14是本发明实施例提供的另一种充电器的结构图。FIG. 14 is a structural diagram of another charger provided by an embodiment of the present invention.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

参见图1，图1是本发明实施例提供的一种充电方法的流程图，应用于移动终端。如图1所示，包括以下步骤：Referring to FIG. 1, FIG. 1 is a flowchart of a charging method provided by an embodiment of the present invention, which is applied to a mobile terminal. As shown in Figure 1, it includes the following steps:

步骤101、根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电。Step 101: Perform constant current charging on the battery of the mobile terminal according to the current value output by the charger as a charging current with a first current value.

在步骤101中，如图2所示，为移动终端与充电器的连接示意图。在图2中，移动终端至少包括：半压集成电路(Integrated Circuit，IC)、协议IC、电池以及开关S₁。充电器为移动终端充电是通过图2中的VBUS线进行功率传输，VBUS线是向移动终端供电的电源线。充电器通过D+数据线以及D-数据线与移动终端进行通信，协议IC通过D+数据线以及D-数据线与充电器进行通信，D-数据线内传输的通信信号默认处于高电平状态。其中，D+数据线以及D-数据线均为用于传输通信数据的数据线。正常通信过程中，D-数据线可以被充电器拉高或拉低，但是拉低的时间比较短，例如，只有几微秒。协议IC和半压IC之间通过内部集成电路总线(Inter-Integrated Circuit，I2C)进行通信。开关S₁默认情况下处于断开状态。Instep 101, as shown in FIG. 2, it is a schematic diagram of the connection between the mobile terminal and the charger. In FIG. 2 , the mobile terminal at least includes a semi-voltage integrated circuit (Integrated Circuit, IC), a protocol IC, a battery and a switch S₁ . When the charger charges the mobile terminal, power is transmitted through the VBUS line in Figure 2, and the VBUS line is the power line that supplies power to the mobile terminal. The charger communicates with the mobile terminal through the D+ data line and the D- data line, the protocol IC communicates with the charger through the D+ data line and the D- data line, and the communication signal transmitted in the D- data line is in a high-level state by default. The D+ data line and the D- data line are both data lines used for transmitting communication data. During normal communication, the D-data line can be pulled high or low by the charger, but the pull-down time is relatively short, for example, only a few microseconds. Communication between the protocol IC and the half-voltage IC is performed through an Inter-Integrated Circuit (I2C). Switch_S1 is off by default.

如图3所示，为充电器为移动终端充电的示意图。首先，移动终端与充电器建立连接。移动终端与充电器握手成功后，可以检测充电线的阻抗值，并且判断充电线的阻抗值是否符合条件。其中，充电线为介于充电器和移动终端之间的充电线，该充电线内至少包含VBUS线、D+数据线以及D-数据线。通常情况下，充电线的阻抗值为100毫欧左右。移动终端可以判断检测到的充电线的阻抗值是否超过200毫欧。如果检测到的充电线的阻抗值不超过200毫欧，则可以认为该充电线的阻抗值符合条件；如果检测到的充电线的阻抗值超过200毫欧，例如，为300毫欧，则可以认为该充电线的阻抗值不符合条件。As shown in FIG. 3 , it is a schematic diagram of charging the mobile terminal for the charger. First, the mobile terminal establishes a connection with the charger. After the mobile terminal and the charger successfully shake hands, the impedance value of the charging cable can be detected, and whether the impedance value of the charging cable meets the conditions can be determined. The charging line is a charging line between the charger and the mobile terminal, and the charging line at least includes a VBUS line, a D+ data line and a D- data line. Under normal circumstances, the impedance value of the charging cable is about 100 milliohms. The mobile terminal can determine whether the detected impedance value of the charging cable exceeds 200 milliohms. If the detected impedance value of the charging cable does not exceed 200 milliohms, it can be considered that the impedance value of the charging cable meets the conditions; if the detected impedance value of the charging cable exceeds 200 milliohms, for example, 300 milliohms, it can be It is considered that the impedance value of the charging cable does not meet the conditions.

如果移动终端判断出充电线的阻抗值符合条件，则可以先进行小电流调节。例如，移动终端可以向充电器发送输出电流值为2安培的电流的指令，进而移动终端可以检测充电器输出的充电电流的电流值。接下来，移动终端可以将检测到的电流值与2安培进行比较。如果检测到的电流值与2安培相差较少，例如，检测到的电流值处于1.9安培-2.1安培这个范围内，则可以确定充电器是可控的。如果检测到的电流值处于1.9安培-2.1安培这个范围之外，则可以确定充电器是不可控的。If the mobile terminal determines that the impedance value of the charging cable meets the conditions, it can adjust the small current first. For example, the mobile terminal can send an instruction to output a current value of 2 amperes to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger. Next, the mobile terminal can compare the detected current value with 2 amperes. If the detected current value is less than 2 amps, for example, the detected current value is in the range of 1.9 amps - 2.1 amps, it can be determined that the charger is controllable. If the detected current value is outside the range of 1.9 amps - 2.1 amps, it can be determined that the charger is not controllable.

如果移动终端判断出充电器是可控的，则可以进行大电流调节。移动终端可以向充电器发送电流基准提示指令，以使充电器根据该电流基准提示指令，输出测试充电电流。例如，移动终端可以向充电器发送输出电流值为3安培的电流的指令，记I_set＝3A，I_set即为电流基准。接下来，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。移动终端可以判断测试充电电流的电流值是否处于预设范围内。该预设范围可以为(I_set-ΔI)～(I_set+ΔI)，ΔI可以为0.1安培，即该预设范围可以为2.9A～3.1A。If the mobile terminal determines that the charger is controllable, it can perform high current regulation. The mobile terminal can send a current reference prompt instruction to the charger, so that the charger outputs a test charging current according to the current reference prompt instruction. For example, the mobile terminal may send an instruction to output a current value of 3 amperes to the charger, denoted as I_set =3A, and I_set is the current reference. Next, the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. The mobile terminal can determine whether the current value of the test charging current is within a preset range. The preset range may be (I_set -ΔI)˜(I_set +ΔI), and ΔI may be 0.1 ampere, that is, the preset range may be 2.9A˜3.1A.

假设移动终端检测到的测试充电电流的电流值为2.8A，移动终端可以判断出2.8A＜2.9A，不属于2.9A～3.1A这个范围内，则移动终端可以按照电流步进(Istep)增加I_set，Istep可以为25毫安，即0.025安培，此时I_set＝3A+0.025A＝3.025A。移动终端可以向充电器发送输出电流值为3.025A的电流的指令，然后，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。如果移动终端检测到的充电器输出的充电电流的电流值为3.2A，移动终端可以判断出3.2A＞3.1A，仍不属于2.9A～3.1A这个范围内，则可以按照电流步进Istep减少I_set，此时I_set＝3.025A-0.025A＝3A。移动终端可以向充电器发送输出电流值为3A的电流的指令，然后，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。如果移动终端检测到的充电器输出的充电电流的电流值为3.05A，移动终端可以判断出2.9A＜3.05A＜3.1A，属于2.9A～3.1A这个范围内，则可以将最终的测试充电电流作为电流值为第一电流值的充电电流，并且可以根据充电器输出的电流值为第一电流值的充电电流，对移动终端的电池进行恒流充电。即可以根据充电器输出的电流值为3.05A的充电电流，对移动终端的电池进行恒流充电。Assuming that the current value of the test charging current detected by the mobile terminal is 2.8A, the mobile terminal can determine that 2.8A<2.9A, which does not belong to the range of 2.9A~3.1A, then the mobile terminal can increase according to the current step (Istep) I_set , Istep can be 25 mA, that is, 0.025 ampere, at this time I_set =3A+0.025A=3.025A. The mobile terminal can send an instruction to output a current value of 3.025A to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. If the current value of the charging current output by the charger detected by the mobile terminal is 3.2A, the mobile terminal can judge that 3.2A>3.1A, which is still not within the range of 2.9A~3.1A, then it can be reduced according to the current step Istep I_set , at this time I_set =3.025A-0.025A=3A. The mobile terminal can send an instruction to output a current value of 3A to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. If the current value of the charging current output by the charger detected by the mobile terminal is 3.05A, the mobile terminal can judge that 2.9A<3.05A<3.1A, which belongs to the range of 2.9A～3.1A, then the final test can be charged The current is used as the charging current with the current value of the first current value, and the battery of the mobile terminal can be charged with constant current according to the current value output by the charger as the charging current with the first current value. That is, the battery of the mobile terminal can be charged with constant current according to the current value output by the charger with a charging current of 3.05A.

需要说明的是，大电流调节过程中，可以根据电流基准(I_set)、电池电压(Batteryvoltage，Vbat)、充电线的阻抗值R以及k计算出一个电压基准(Vset)。其中，k根据半压协议IC的手册来确定，在本发明实施例中，k的取值为2。Vset的计算公式如下：It should be noted that, during the high current adjustment process, a voltage reference (Vset) can be calculated according to the current reference (I_set ), the battery voltage (Battery voltage, Vbat), the resistance value R and k of the charging line. Wherein, k is determined according to the manual of the half-voltage protocol IC, and in the embodiment of the present invention, the value of k is 2. The formula for calculating Vset is as follows:

Vset＝k×Vbat+I_set×R_Vset =k×Vbat+Iset×R

计算出Vset之后，发送给充电器的Vset可以比计算出的Vset稍微大一些。例如，假设计算出的Vset为7伏特，则实际发送给充电器的Vset可以为7.5伏特。需要说明的是，实际发送给充电器的Vset可以比计算出的Vset稍微大一些，同时，实际发送给充电器的Vset还要处于半压协议IC的过压保护(Over Voltage Protection，OVP)范围内。这样，可以使充电器处于电流环下，又不触发半压IC的OVP保护。After Vset is calculated, the Vset sent to the charger can be slightly larger than the calculated Vset. For example, assuming the calculated Vset is 7 volts, the actual Vset sent to the charger can be 7.5 volts. It should be noted that the Vset actually sent to the charger may be slightly larger than the calculated Vset, and at the same time, the Vset actually sent to the charger should also be within the Over Voltage Protection (OVP) range of the half-voltage protocol IC. Inside. In this way, the charger can be placed in the current loop without triggering the OVP protection of the half-voltage IC.

需要说明的是，在恒流充电过程中，Vbat是逐渐升高的，因此，移动终端可以每隔一段时间，例如每隔100毫秒检测一次Vbat。然后利用检测到的Vba计算出一个Vset，再将计算出的Vset发送给充电器。这样做的目的是维持充电器以恒定电流为移动终端的电池进行充电，例如，维持充电器以电流值为3.05A的恒定电流为移动终端的电池进行充电。It should be noted that, in the process of constant current charging, Vbat is gradually increased, therefore, the mobile terminal may detect Vbat at intervals, for example, every 100 milliseconds. Then use the detected Vba to calculate a Vset, and then send the calculated Vset to the charger. The purpose of this is to maintain the charger to charge the battery of the mobile terminal with a constant current, for example, to maintain the charger to charge the battery of the mobile terminal with a constant current of 3.05A.

步骤102、在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段。Step 102: When the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, control the The communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period.

在步骤102中，对移动终端的电池进行恒流充电一段时间之后，移动终端的电池的电压值会达到预设电压阈值，该预设电压阈值可以为4.35V。此时，移动终端可以向充电器发送一个降低输出充电电流的电流值的指令，例如，移动终端可以向充电器发送一个将输出充电电流的电流值由第一电流值3.05A降为第二电流值2.5A的指令。进而充电器可以响应该指令，将输出充电电流的电流值由3.05A降为2.5A。Instep 102, after the battery of the mobile terminal is charged with constant current for a period of time, the voltage value of the battery of the mobile terminal will reach a preset voltage threshold, and the preset voltage threshold may be 4.35V. At this time, the mobile terminal can send an instruction to reduce the current value of the output charging current to the charger. For example, the mobile terminal can send an instruction to the charger to reduce the current value of the output charging current from the first current value of 3.05A to the second current. A command with a value of 2.5A. Then, the charger can respond to the command and reduce the current value of the output charging current from 3.05A to 2.5A.

需要说明的是，如果此时充电器出现故障，充电器可能无法将输出充电电流的电流值由第一电流值降低至第二电流值。移动终端向充电器发送了将输出充电电流的电流值由第一电流值降为第二电流值的指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以控制开关S₁接地一段时间，即可以拉低D-数据线一段时间，也即可以控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段。It should be noted that, if the charger fails at this time, the charger may not be able to reduce the current value of the output charging current from the first current value to the second current value. After the mobile terminal sends an instruction to the charger to reduce the current value of the output charging current from the first current value to the second current value, it can detect the current value of the charging current output by the charger, and then determine whether the charger has reduced the current value as required. The current value of the output charging current. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded for_a period of time, that is, it can pull down D- For a period of time, the data line can control the communication signal transmitted between the mobile terminal and the charger to be in a low-level state, and the duration of the low-level state is a first preset time period.

步骤103、经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。Step 103: After the first preset time period has passed, control the communication signal transmitted between the mobile terminal and the charger to be in a high-level state, and send a first current reduction command to the charger, wherein , when the charger detects that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, the charger performs an operation of resetting the communication path, and responds to the first Decrease current command.

在步骤103中，经过第一预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以每隔一段时间，例如，每隔20毫秒向充电器发送第一降低电流指令，该第一降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器在检测到通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，可以进行复位通信通路操作。充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的第一降低电流指令，则响应该第一降低电流指令，可以将输出充电电流的电流值由第一电流值降为第二电流值。Instep 103, after the_first preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a high level state. Next, the mobile terminal may send a first current reduction command to the charger at regular intervals, for example, every 20 milliseconds, where the first current reduction command is used to instruct the charger to change the current value of the output charging current from the first current value down to the second current value. When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is the first preset time period, the charger may perform an operation of resetting the communication path. After the charger resets the communication path, and the charger has no other faults, if the first current reduction command sent by the mobile terminal is received, in response to the first current reduction command, the current value of the output charging current can be reduced from the first current value. is the second current value.

移动终端向充电器发送第一降低电流指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以再次控制开关S₁接地一段时间，即可以再次拉低D-数据线一段时间，也即可以再次控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段。After the mobile terminal sends the first current reduction command to the charger, it can detect the current value of the output charging current of the charger, and then judge whether the charger reduces the current value of the output charging current as required. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded again for_a period of time, that is, it can be pulled down again. The D-data line is for a period of time, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a low-level state again, and the duration of the low-level state is the second preset time period.

经过第二预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以再次向充电器发送降低电流指令，该降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器在检测到通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段的情况下，可以再次进行复位通信通路操作。充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的降低电流指令，则响应该降低电流指令，可以将输出充电电流的电流值由第一电流值降为第二电流值。After the second preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in_a high-level state. Next, the mobile terminal may send a current reduction instruction to the charger again, where the current reduction instruction is used to instruct the charger to reduce the current value of the output charging current from the first current value to the second current value. When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is the second preset time period, the charger may perform an operation of resetting the communication path again. After the charger resets the communication path and the charger has no other faults, if it receives a current reduction command sent by the mobile terminal, in response to the current reduction command, the current value of the output charging current can be reduced from the first current value to the second current value value.

本发明实施例中，上述移动终端可以是手机、平板电脑(Tablet PersonalComputer)、膝上型电脑(Laptop Computer)、个人数字助理(personal digitalassistant，简称PDA)、移动上网装置(Mobile Internet Device，MID)或可穿戴式设备(Wearable Device)等。In the embodiment of the present invention, the above-mentioned mobile terminal may be a mobile phone, a tablet computer (Tablet PersonalComputer), a laptop computer (Laptop Computer), a personal digital assistant (personal digital assistant, PDA for short), a mobile Internet Device (Mobile Internet Device, MID) Or wearable device (Wearable Device) and so on.

本发明实施例的充电方法，应用于移动终端。根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。这样，通过控制移动终端与充电器之间传输的通信信号处于低电平状态一段时间的方式，使充电器进行复位通信通路操作，进而响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升，从而可以降低移动终端的电池被损坏的风险。The charging method of the embodiment of the present invention is applied to a mobile terminal. According to the charging current of the first current value output by the charger, the battery of the mobile terminal is charged with constant current; the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and the charger output is detected When the current value of the charging current is not reduced from the first current value to the second current value, the communication signal transmitted between the mobile terminal and the charger is controlled to be in a low-level state and in a low-power state. The duration of the flat state is a first preset period of time; after the first preset period of time, the communication signal transmitted between the mobile terminal and the charger is controlled to be in a high-level state, and sent to the The charger sends a first current reduction command, wherein the charger performs a reset when detecting that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period The communication path operates in response to the first reduce current command. In this way, by controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state for a period of time, the charger can reset the communication path, and then respond to the first current reduction command sent by the mobile terminal, the charger can be reduced The current value of the output charging current controls the temperature rise of the battery of the mobile terminal, thereby reducing the risk of damage to the battery of the mobile terminal.

参见图4，图4是本发明实施例提供的另一种充电方法的流程图，应用于移动终端。本实施例与前一个实施例的主要区别在于可以关闭半压充电通路，并向充电器发送充电IC切换指令，进而可以通过主充电IC接收充电器根据充电IC切换指令发送的充电电流。如图4所示，包括以下步骤：Referring to FIG. 4, FIG. 4 is a flowchart of another charging method provided by an embodiment of the present invention, which is applied to a mobile terminal. The main difference between this embodiment and the previous embodiment is that the half-voltage charging path can be closed, and the charging IC switching command can be sent to the charger, and then the charging current sent by the charger according to the charging IC switching command can be received through the main charging IC. As shown in Figure 4, it includes the following steps:

步骤401、根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电。Step 401: Perform constant current charging on the battery of the mobile terminal according to the current value output by the charger as a charging current with a first current value.

在步骤401中，首先，移动终端与充电器建立连接。移动终端与充电器握手成功后，可以检测充电线的阻抗值，并且判断充电线的阻抗值是否符合条件。其中，充电线为介于充电器和移动终端之间的充电线，该充电线内至少包含VBUS线、D+数据线以及D-数据线。通常情况下，充电线的阻抗值为100毫欧左右。移动终端可以判断检测到的充电线的阻抗值是否超过200毫欧。如果检测到的充电线的阻抗值不超过200毫欧，则可以认为该充电线的阻抗值符合条件；如果检测到的充电线的阻抗值超过200毫欧，例如，为300毫欧，则可以认为该充电线的阻抗值不符合条件。Instep 401, first, the mobile terminal establishes a connection with the charger. After the mobile terminal and the charger successfully shake hands, the impedance value of the charging cable can be detected, and whether the impedance value of the charging cable meets the conditions can be determined. The charging line is a charging line between the charger and the mobile terminal, and the charging line at least includes a VBUS line, a D+ data line and a D- data line. Under normal circumstances, the impedance value of the charging cable is about 100 milliohms. The mobile terminal can determine whether the detected impedance value of the charging cable exceeds 200 milliohms. If the detected impedance value of the charging cable does not exceed 200 milliohms, it can be considered that the impedance value of the charging cable meets the conditions; if the detected impedance value of the charging cable exceeds 200 milliohms, for example, 300 milliohms, it can be It is considered that the impedance value of the charging cable does not meet the conditions.

如果移动终端判断出充电线的阻抗值符合条件，则可以先进行小电流调节。例如，移动终端可以向充电器发送输出电流值为2安培的电流的指令，进而移动终端可以检测充电器输出的充电电流的电流值。接下来，移动终端可以将检测到的电流值与2安培进行比较。如果检测到的电流值与2安培相差较少，例如，检测到的电流值处于1.9安培-2.1安培这个范围内，则可以确定充电器是可控的。如果检测到的电流值处于1.9安培-2.1安培这个范围之外，则可以确定充电器是不可控的。If the mobile terminal determines that the impedance value of the charging cable meets the conditions, it can adjust the small current first. For example, the mobile terminal can send an instruction to output a current value of 2 amperes to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger. Next, the mobile terminal can compare the detected current value with 2 amperes. If the detected current value is less than 2 amps, for example, the detected current value is in the range of 1.9 amps - 2.1 amps, it can be determined that the charger is controllable. If the detected current value is outside the range of 1.9 amps - 2.1 amps, it can be determined that the charger is not controllable.

可选的，在所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤之前，所述方法还包括：Optionally, before the step of performing constant current charging on the battery of the mobile terminal according to the charging current value of the first current value output by the charger, the method further includes:

向所述充电器发送电流基准提示指令，以使所述充电器根据所述电流基准提示指令，输出测试充电电流；sending a current reference prompt instruction to the charger, so that the charger outputs a test charging current according to the current reference prompt instruction;

判断所述测试充电电流的电流值是否处于预设范围内；judging whether the current value of the test charging current is within a preset range;

若所述测试充电电流的电流值处于所述预设范围内，则将所述测试充电电流作为所述电流值为第一电流值的充电电流，并执行所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤。If the current value of the test charging current is within the preset range, take the test charging current as the charging current whose current value is the first current value, and execute the process according to the current value output by the charger as the charging current with the first current value. The charging current of the first current value is a step of performing constant current charging on the battery of the mobile terminal.

如果移动终端判断出充电器是可控的，则可以进行大电流调节。移动终端可以向充电器发送电流基准提示指令，以使充电器根据该电流基准提示指令，输出测试充电电流。例如，移动终端可以向充电器发送输出电流值为3安培的电流的指令，记I_set＝3A，I_set即为电流基准。接下来，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。移动终端可以判断测试充电电流的电流值是否处于预设范围内。该预设范围可以为(I_set-ΔI)～(I_set+ΔI)，ΔI可以为0.1安培，即该预设范围可以为2.9A～3.1A。If the mobile terminal determines that the charger is controllable, it can perform high current regulation. The mobile terminal can send a current reference prompt instruction to the charger, so that the charger outputs a test charging current according to the current reference prompt instruction. For example, the mobile terminal may send an instruction to output a current value of 3 amperes to the charger, denoted as I_set =3A, and I_set is the current reference. Next, the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. The mobile terminal can determine whether the current value of the test charging current is within a preset range. The preset range may be (I_set -ΔI)˜(I_set +ΔI), and ΔI may be 0.1 ampere, that is, the preset range may be 2.9A˜3.1A.

假设移动终端检测到的测试充电电流的电流值为2.8A，移动终端可以判断出2.8A＜2.9A，不属于2.9A～3.1A这个范围内，则移动终端可以按照电流步进(Istep)增加I_set，Istep可以为25毫安，即0.025安培，此时I_set＝3A+0.025A＝3.025A。移动终端可以向充电器发送输出电流值为3.025A的电流的指令，然后，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。如果移动终端检测到的充电器输出的充电电流的电流值为3.2A，移动终端可以判断出3.2A＞3.1A，仍不属于2.9A～3.1A这个范围内，则可以按照电流步进Istep减少I_set，此时I_set＝3.025A-0.025A＝3A。移动终端可以向充电器发送输出电流值为3A的电流的指令，然后，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。如果移动终端检测到的充电器输出的充电电流的电流值为3.05A，移动终端可以判断出2.9A＜3.05A＜3.1A，属于2.9A～3.1A这个范围内，则可以将最终的测试充电电流作为电流值为第一电流值的充电电流，并且可以根据充电器输出的电流值为第一电流值的充电电流，对移动终端的电池进行恒流充电。即可以根据充电器输出的电流值为3.05A的充电电流，对移动终端的电池进行恒流充电。Assuming that the current value of the test charging current detected by the mobile terminal is 2.8A, the mobile terminal can determine that 2.8A<2.9A, which does not belong to the range of 2.9A~3.1A, then the mobile terminal can increase according to the current step (Istep) I_set , Istep can be 25 mA, that is, 0.025 ampere, at this time I_set =3A+0.025A=3.025A. The mobile terminal can send an instruction to output a current value of 3.025A to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. If the current value of the charging current output by the charger detected by the mobile terminal is 3.2A, the mobile terminal can judge that 3.2A>3.1A, which is still not within the range of 2.9A~3.1A, then it can be reduced according to the current step Istep I_set , at this time I_set =3.025A-0.025A=3A. The mobile terminal can send an instruction to output a current value of 3A to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. If the current value of the charging current output by the charger detected by the mobile terminal is 3.05A, the mobile terminal can judge that 2.9A<3.05A<3.1A, which belongs to the range of 2.9A～3.1A, then the final test can be charged The current is used as the charging current with the current value of the first current value, and the battery of the mobile terminal can be charged with constant current according to the current value output by the charger as the charging current with the first current value. That is, the battery of the mobile terminal can be charged with constant current according to the current value output by the charger with a charging current of 3.05A.

步骤402、在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段。Step 402: When the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, control the The communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period.

在步骤402中，对移动终端的电池进行恒流充电一段时间之后，移动终端的电池的电压值会达到预设电压阈值，该预设电压阈值可以为4.35V。此时，移动终端可以向充电器发送一个降低输出充电电流的电流值的指令，例如，移动终端可以向充电器发送一个将输出充电电流的电流值由第一电流值3.05A降为第二电流值2.5A的指令。进而充电器可以响应该指令，将输出充电电流的电流值由3.05A降为2.5A。Instep 402, after the battery of the mobile terminal is charged with constant current for a period of time, the voltage value of the battery of the mobile terminal will reach a preset voltage threshold, and the preset voltage threshold may be 4.35V. At this time, the mobile terminal can send an instruction to reduce the current value of the output charging current to the charger. For example, the mobile terminal can send an instruction to the charger to reduce the current value of the output charging current from the first current value of 3.05A to the second current. A command with a value of 2.5A. Then, the charger can respond to the command and reduce the current value of the output charging current from 3.05A to 2.5A.

需要说明的是，如果此时充电器出现故障，充电器可能无法将输出充电电流的电流值由第一电流值降低至第二电流值。移动终端向充电器发送了将输出充电电流的电流值由第一电流值降为第二电流值的指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以控制开关S₁接地一段时间，即可以拉低D-数据线一段时间，也即可以控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段。It should be noted that, if the charger fails at this time, the charger may not be able to reduce the current value of the output charging current from the first current value to the second current value. After the mobile terminal sends an instruction to the charger to reduce the current value of the output charging current from the first current value to the second current value, it can detect the current value of the charging current output by the charger, and then determine whether the charger has reduced the current value as required. The current value of the output charging current. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded for_a period of time, that is, it can pull down D- For a period of time, the data line can control the communication signal transmitted between the mobile terminal and the charger to be in a low-level state, and the duration of the low-level state is a first preset time period.

步骤403、经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。Step 403: After the first preset time period has passed, control the communication signal transmitted between the mobile terminal and the charger to be in a high-level state, and send a first current reduction command to the charger, wherein , when the charger detects that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, the charger performs an operation of resetting the communication path, and responds to the first Decrease current command.

在步骤403中，经过第一预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以每隔一段时间，例如，每隔20毫秒向充电器发送第一降低电流指令，该第一降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器在检测到通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，可以进行复位通信通路操作。充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的第一降低电流指令，则响应该第一降低电流指令，可以将输出充电电流的电流值由第一电流值降为第二电流值。Instep 403, after the_first preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a high level state. Next, the mobile terminal may send a first current reduction command to the charger at regular intervals, for example, every 20 milliseconds, where the first current reduction command is used to instruct the charger to change the current value of the output charging current from the first current value down to the second current value. When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is the first preset time period, the charger may perform an operation of resetting the communication path. After the charger resets the communication path, and the charger has no other faults, if the first current reduction command sent by the mobile terminal is received, in response to the first current reduction command, the current value of the output charging current can be reduced from the first current value. is the second current value.

移动终端向充电器发送第一降低电流指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以再次控制开关S₁接地一段时间，即可以再次拉低D-数据线一段时间，也即可以再次控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段。After the mobile terminal sends the first current reduction command to the charger, it can detect the current value of the output charging current of the charger, and then judge whether the charger reduces the current value of the output charging current as required. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded again for_a period of time, that is, it can be pulled down again. The D-data line is for a period of time, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a low-level state again, and the duration of the low-level state is the second preset time period.

经过第二预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以再次向充电器发送降低电流指令，该降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器在检测到通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段的情况下，可以再次进行复位通信通路操作。充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的降低电流指令，则响应该降低电流指令，可以将输出充电电流的电流值由第一电流值降为第二电流值。After the second preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in_a high-level state. Next, the mobile terminal may send a current reduction instruction to the charger again, where the current reduction instruction is used to instruct the charger to reduce the current value of the output charging current from the first current value to the second current value. When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is the second preset time period, the charger may perform an operation of resetting the communication path again. After the charger resets the communication path and the charger has no other faults, if it receives a current reduction command sent by the mobile terminal, in response to the current reduction command, the current value of the output charging current can be reduced from the first current value to the second current value value.

步骤404、所述移动终端的充电电路包括半压充电通路和主充电集成电路IC，所述恒流充电为通过所述半压充电通路进行充电。若检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值，则关闭所述半压充电通路，并向所述充电器发送充电IC切换指令。Step 404: The charging circuit of the mobile terminal includes a half-voltage charging path and a main charging integrated circuit IC, and the constant-current charging is charging through the half-voltage charging path. If it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, the half-voltage charging path is closed, and a charging IC switch is sent to the charger instruction.

在步骤404中，移动终端的充电电路包括半压充电通路和主充电IC，恒流充电为通过半压充电通路进行充电。移动终端向充电器再次发送降低电流指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则可以关闭半压充电通路，并向充电器发送充电IC切换指令，例如，可以拉低一下D+数据线。充电器检测到D+数据线被拉低，则可以接收到充电IC切换指令。Instep 404, the charging circuit of the mobile terminal includes a half-voltage charging path and a main charging IC, and the constant-current charging is charging through the half-voltage charging path. After the mobile terminal sends the current reduction command to the charger again, it can detect the current value of the output charging current of the charger, and then judge whether the charger has reduced the current value of the output charging current as required. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, it can close the half-voltage charging path and send a charging IC switching instruction to the charger, for example, it can Pull down the D+ data line. When the charger detects that the D+ data line is pulled low, it can receive the charging IC switching command.

步骤405、通过所述主充电IC接收所述充电器根据所述充电IC切换指令发送的充电电流。Step 405: Receive, through the main charging IC, the charging current sent by the charger according to the charging IC switching instruction.

在步骤405中，充电器可以通过移动终端的主充电IC为移动终端的电池充电，即移动终端可以通过主充电IC接收充电器根据充电IC切换指令发送的充电电流。Instep 405, the charger can charge the battery of the mobile terminal through the main charging IC of the mobile terminal, that is, the mobile terminal can receive the charging current sent by the charger according to the charging IC switching instruction through the main charging IC.

需要说明的是，充电器通过移动终端的主充电IC为移动终端的电池充电时，充电器的输出电压可以为5V，充电器输出充电电流的电流值可以为2A。主充电IC可以根据电池的实际情况，例如，可以根据电池的实际电压以及电池的温度等信息，控制流入电池的电流的大小，可以有效降低电池被损坏的风险。It should be noted that when the charger charges the battery of the mobile terminal through the main charging IC of the mobile terminal, the output voltage of the charger may be 5V, and the current value of the output charging current of the charger may be 2A. The main charging IC can control the size of the current flowing into the battery according to the actual situation of the battery, for example, according to the actual voltage of the battery and the temperature of the battery, which can effectively reduce the risk of the battery being damaged.

本发明实施例的充电方法，应用于移动终端。通过控制移动终端与充电器之间传输的通信信号处于低电平状态一段时间的方式，使充电器进行复位通信通路操作，进而响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。进一步的，如果移动终端判断出充电器未按照要求降低输出充电电流的电流值，则可以关闭半压充电通路，并且可以通过主充电IC接收充电器发送的充电电流。主充电IC可以根据电池的实际情况，控制流入电池的电流的大小，可以有效降低电池被损坏的风险。The charging method of the embodiment of the present invention is applied to a mobile terminal. By controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state for a period of time, the charger can reset the communication path, and then respond to the first current reduction command sent by the mobile terminal to reduce the output voltage of the charger. The current value of the charging current controls the temperature rise of the mobile terminal battery. Further, if the mobile terminal determines that the charger does not reduce the current value of the output charging current as required, the half-voltage charging path can be closed, and the charging current sent by the charger can be received through the main charging IC. The main charging IC can control the size of the current flowing into the battery according to the actual situation of the battery, which can effectively reduce the risk of the battery being damaged.

参见图5，图5是本发明实施例提供的另一种充电方法的流程图，应用于充电器。如图5所示，包括以下步骤：Referring to FIG. 5, FIG. 5 is a flowchart of another charging method provided by an embodiment of the present invention, which is applied to a charger. As shown in Figure 5, it includes the following steps:

步骤501、向移动终端输出电流值为第一电流值的充电电流。Step 501 , output a charging current whose current value is a first current value to the mobile terminal.

在步骤501中，首先，移动终端与充电器建立连接。移动终端与充电器握手成功后，可以检测充电线的阻抗值，并且判断充电线的阻抗值是否符合条件。其中，充电线为介于充电器和移动终端之间的充电线。Instep 501, first, the mobile terminal establishes a connection with the charger. After the mobile terminal and the charger successfully shake hands, the impedance value of the charging cable can be detected, and whether the impedance value of the charging cable meets the conditions can be determined. The charging cable is a charging cable between the charger and the mobile terminal.

如果移动终端判断出充电线的阻抗值符合条件，则可以先进行小电流调节，进而判断充电器是否为可控的。小电流调节的过程已经在第一个实施例以及第二个实施例中进行了详细的阐述，这里不再赘述。If the mobile terminal determines that the impedance value of the charging cable meets the conditions, it can adjust the small current first, and then determine whether the charger is controllable. The process of adjusting the small current has been described in detail in the first embodiment and the second embodiment, and will not be repeated here.

如果移动终端判断出充电器是可控的，则可以进行大电流调节。大电流调节的过程也已经在第一个实施例以及第二个实施例中进行了详细的阐述，这里不再赘述。If the mobile terminal determines that the charger is controllable, it can perform high current regulation. The process of high current regulation has also been described in detail in the first embodiment and the second embodiment, and will not be repeated here.

大电流调节完成后，充电器可以向移动终端输出电流值为第一电流值的充电电流，即充电器可以以电流值为第一电流值的充电电流对移动终端的电池进行恒流充电。After the large current adjustment is completed, the charger can output a charging current with a current value of the first current value to the mobile terminal, that is, the charger can charge the battery of the mobile terminal with a constant current with the charging current value of the first current value.

步骤502、若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作。Step 502: If it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period, perform an operation of resetting the communication path .

在步骤502中，对移动终端的电池进行恒流充电一段时间之后，移动终端的电池的电压值会达到预设电压阈值，该预设电压阈值可以为4.35V。此时，移动终端可以向充电器发送一个降低输出充电电流的电流值的指令，例如，移动终端可以向充电器发送一个将输出充电电流的电流值由第一电流值降为第二电流值的指令。进而充电器可以响应该指令，将输出充电电流的电流值由第一电流值降为第二电流值。Instep 502, after the battery of the mobile terminal is charged with constant current for a period of time, the voltage value of the battery of the mobile terminal will reach a preset voltage threshold, and the preset voltage threshold may be 4.35V. At this time, the mobile terminal can send an instruction to reduce the current value of the output charging current to the charger. For example, the mobile terminal can send to the charger an instruction to reduce the current value of the output charging current from the first current value to the second current value. instruction. Further, the charger can respond to the instruction and reduce the current value of the output charging current from the first current value to the second current value.

需要说明的是，如果此时充电器出现故障，充电器可能无法将输出充电电流的电流值由第一电流值降低至第二电流值。移动终端向充电器发送了将输出充电电流的电流值由第一电流值降为第二电流值的指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以控制开关S₁接地一段时间，即可以拉低D-数据线一段时间，也即可以控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段。It should be noted that, if the charger fails at this time, the charger may not be able to reduce the current value of the output charging current from the first current value to the second current value. After the mobile terminal sends an instruction to the charger to reduce the current value of the output charging current from the first current value to the second current value, it can detect the current value of the charging current output by the charger, and then determine whether the charger has reduced the current value as required. The current value of the output charging current. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded for_a period of time, that is, it can pull down D- For a period of time, the data line can control the communication signal transmitted between the mobile terminal and the charger to be in a low-level state, and the duration of the low-level state is a first preset time period.

如果充电器检测到移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则可以进行复位通信通路操作。If the charger detects that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is the first preset time period, the operation of resetting the communication path can be performed.

步骤503、接收所述移动终端发送的第一降低电流指令。Step 503: Receive a first current reduction instruction sent by the mobile terminal.

在步骤503中，经过第一预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以每隔一段时间，例如，每隔20毫秒向充电器发送第一降低电流指令，该第一降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器可以接收移动终端发送的第一降低电流指令。Instep 503, after the_first preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a high level state. Next, the mobile terminal may send a first current reduction command to the charger at regular intervals, for example, every 20 milliseconds, where the first current reduction command is used to instruct the charger to change the current value of the output charging current from the first current value down to the second current value. The charger may receive the first current reduction command sent by the mobile terminal.

步骤504、根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值。Step 504: Reduce the current value of the output charging current from the first current value to the second current value according to the first current reduction command.

在步骤504中，充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的第一降低电流指令，则可以根据第一降低电流指令，将输出的充电电流的电流值由第一电流值降低为第二电流值。Instep 504, after the charger resets the communication path and the charger has no other faults, if the first current reduction command sent by the mobile terminal is received, the current value of the output charging current can be changed from The first current value is reduced to the second current value.

移动终端向充电器发送第一降低电流指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以再次控制开关S₁接地一段时间，即可以再次拉低D-数据线一段时间，也即可以再次控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段。After the mobile terminal sends the first current reduction command to the charger, it can detect the current value of the output charging current of the charger, and then judge whether the charger reduces the current value of the output charging current as required. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded again for_a period of time, that is, it can be pulled down again. The D-data line is for a period of time, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a low-level state again, and the duration of the low-level state is the second preset time period.

经过第二预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以再次向充电器发送降低电流指令，该降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器在检测到通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段的情况下，可以再次进行复位通信通路操作。充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的降低电流指令，则响应该降低电流指令，可以将输出充电电流的电流值由第一电流值降为第二电流值。After the second preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in_a high-level state. Next, the mobile terminal may send a current reduction instruction to the charger again, where the current reduction instruction is used to instruct the charger to reduce the current value of the output charging current from the first current value to the second current value. When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is the second preset time period, the charger may perform an operation of resetting the communication path again. After the charger resets the communication path and the charger has no other faults, if it receives a current reduction command sent by the mobile terminal, in response to the current reduction command, the current value of the output charging current can be reduced from the first current value to the second current value value.

本发明实施例的充电方法，应用于充电器。充电器如果检测到移动终端与充电器之间传输的通信信号处于低电平状态一段时间，可以进行复位通信通路操作，进而可以响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。可以降低移动终端的电池被损坏的风险。The charging method of the embodiment of the present invention is applied to a charger. If the charger detects that the communication signal transmitted between the mobile terminal and the charger is in a low-level state for a period of time, it can reset the communication path, and then can respond to the first current reduction command sent by the mobile terminal, which can reduce the output of the charger. The current value of the charging current controls the temperature rise of the mobile terminal battery. The risk of the battery of the mobile terminal being damaged can be reduced.

参见图6，图6是本发明实施例提供的另一种充电方法的流程图，应用于充电器。本实施例与前一个实施例的主要区别在于如果接收到移动终端发送的充电IC切换指令，则可以根据该充电IC切换指令，通过移动终端的主充电IC为移动终端的电池充电。如图6所示，包括以下步骤：Referring to FIG. 6, FIG. 6 is a flowchart of another charging method provided by an embodiment of the present invention, which is applied to a charger. The main difference between this embodiment and the previous embodiment is that if the charging IC switching instruction sent by the mobile terminal is received, the battery of the mobile terminal can be charged through the main charging IC of the mobile terminal according to the charging IC switching instruction. As shown in Figure 6, it includes the following steps:

步骤601、向移动终端输出电流值为第一电流值的充电电流。Step 601 , output a charging current whose current value is a first current value to the mobile terminal.

在步骤601中，首先，移动终端与充电器建立连接。移动终端与充电器握手成功后，可以检测充电线的阻抗值，并且判断充电线的阻抗值是否符合条件。其中，充电线为介于充电器和移动终端之间的充电线。Instep 601, first, the mobile terminal establishes a connection with the charger. After the mobile terminal and the charger successfully shake hands, the impedance value of the charging cable can be detected, and whether the impedance value of the charging cable meets the conditions can be determined. The charging cable is a charging cable between the charger and the mobile terminal.

如果移动终端判断出充电线的阻抗值符合条件，则可以先进行小电流调节，进而判断充电器是否为可控的。小电流调节的过程已经在第一个实施例以及第二个实施例中进行了详细的阐述，这里不再赘述。If the mobile terminal determines that the impedance value of the charging cable meets the conditions, it can adjust the small current first, and then determine whether the charger is controllable. The process of adjusting the small current has been described in detail in the first embodiment and the second embodiment, and will not be repeated here.

如果移动终端判断出充电器是可控的，则可以进行大电流调节。If the mobile terminal determines that the charger is controllable, it can perform high current regulation.

可选的，在所述向移动终端输出电流值为第一电流值的充电电流的步骤之前，所述方法还包括：Optionally, before the step of outputting the charging current whose current value is the first current value to the mobile terminal, the method further includes:

接收所述移动终端发送的电流基准提示指令；receiving a current reference prompt instruction sent by the mobile terminal;

根据所述电流基准提示指令，输出测试充电电流。According to the current reference prompt instruction, output the test charging current.

移动终端可以向充电器发送电流基准提示指令，充电器可以接收移动终端发送的电流基准提示指令，进而充电器可以根据该电流基准提示指令，输出测试充电电流。例如，移动终端可以向充电器发送输出电流值为3安培的电流的指令，记I_set＝3A，I_set即为电流基准。接下来，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。移动终端可以判断测试充电电流的电流值是否处于预设范围内。该预设范围可以为(I_set-ΔI)～(I_set+ΔI)，ΔI可以为0.1安培，即该预设范围可以为2.9A～3.1A。The mobile terminal can send a current reference prompt command to the charger, and the charger can receive the current reference prompt command sent by the mobile terminal, and then the charger can output a test charging current according to the current reference prompt command. For example, the mobile terminal may send an instruction to output a current value of 3 amperes to the charger, denoted as I_set =3A, and I_set is the current reference. Next, the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. The mobile terminal can determine whether the current value of the test charging current is within a preset range. The preset range may be (I_set -ΔI)˜(I_set +ΔI), and ΔI may be 0.1 ampere, that is, the preset range may be 2.9A˜3.1A.

假设移动终端检测到的测试充电电流的电流值为2.8A，移动终端可以判断出2.8A＜2.9A，不属于2.9A～3.1A这个范围内，则移动终端可以按照电流步进(Istep)增加I_set，Istep可以为25毫安，即0.025安培，此时I_set＝3A+0.025A＝3.025A。移动终端可以向充电器发送输出电流值为3.025A的电流的指令，然后，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。如果移动终端检测到的充电器输出的充电电流的电流值为3.2A，移动终端可以判断出3.2A＞3.1A，仍不属于2.9A～3.1A这个范围内，则可以按照电流步进(Istep)减少I_set，此时I_set＝3.025A-0.025A＝3A。移动终端可以向充电器发送输出电流值为3A的电流的指令，然后，移动终端可以检测充电器输出的充电电流的电流值，即移动终端可以检测测试充电电流的电流值。如果移动终端检测到的充电器输出的充电电流的电流值为3.05A，移动终端可以判断出2.9A＜3.05A＜3.1A，属于2.9A～3.1A这个范围内，则可以将最终的测试充电电流作为电流值为第一电流值的充电电流。充电器可以向移动终端输出电流值为第一电流值的充电电流，即充电器可以以电流值为第一电流值的充电电流对移动终端的电池进行恒流充电。也即充电器可以以电流值为3.05A的充电电流对移动终端的电池进行恒流充电。Assuming that the current value of the test charging current detected by the mobile terminal is 2.8A, the mobile terminal can determine that 2.8A<2.9A, which does not belong to the range of 2.9A~3.1A, then the mobile terminal can increase according to the current step (Istep) I_set , Istep can be 25 mA, that is, 0.025 ampere, at this time I_set =3A+0.025A=3.025A. The mobile terminal can send an instruction to output a current value of 3.025A to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. If the current value of the charging current output by the charger detected by the mobile terminal is 3.2A, the mobile terminal can judge that 3.2A>3.1A, but it still does not belong to the range of 2.9A~3.1A, then the current value of the current step (Istep ) reduces I_set , at this time I_set =3.025A-0.025A=3A. The mobile terminal can send an instruction to output a current value of 3A to the charger, and then the mobile terminal can detect the current value of the charging current output by the charger, that is, the mobile terminal can detect the current value of the test charging current. If the current value of the charging current output by the charger detected by the mobile terminal is 3.05A, the mobile terminal can judge that 2.9A<3.05A<3.1A, which belongs to the range of 2.9A～3.1A, then the final test can be charged The current is used as a charging current whose current value is the first current value. The charger may output a charging current with a current value of the first current value to the mobile terminal, that is, the charger may perform constant current charging on the battery of the mobile terminal with a charging current with the current value of the first current value. That is, the charger can charge the battery of the mobile terminal with a constant current with a charging current with a current value of 3.05A.

步骤602、若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作。Step 602: If it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period, perform an operation of resetting the communication path .

在步骤602中，对移动终端的电池进行恒流充电一段时间之后，移动终端的电池的电压值会达到预设电压阈值，该预设电压阈值可以为4.35V。此时，移动终端可以向充电器发送一个降低输出充电电流的电流值的指令，例如，移动终端可以向充电器发送一个将输出充电电流的电流值由第一电流值降为第二电流值的指令。进而充电器可以响应该指令，将输出充电电流的电流值由第一电流值降为第二电流值。Instep 602, after the battery of the mobile terminal is charged with constant current for a period of time, the voltage value of the battery of the mobile terminal will reach a preset voltage threshold, and the preset voltage threshold may be 4.35V. At this time, the mobile terminal can send an instruction to reduce the current value of the output charging current to the charger. For example, the mobile terminal can send to the charger an instruction to reduce the current value of the output charging current from the first current value to the second current value. instruction. Further, the charger can respond to the instruction and reduce the current value of the output charging current from the first current value to the second current value.

需要说明的是，如果此时充电器出现故障，充电器可能无法将输出充电电流的电流值由第一电流值降低至第二电流值。移动终端向充电器发送了将输出充电电流的电流值由第一电流值降为第二电流值的指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以控制开关S₁接地一段时间，即可以拉低D-数据线一段时间，也即可以控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段。It should be noted that, if the charger fails at this time, the charger may not be able to reduce the current value of the output charging current from the first current value to the second current value. After the mobile terminal sends an instruction to the charger to reduce the current value of the output charging current from the first current value to the second current value, it can detect the current value of the charging current output by the charger, and then determine whether the charger has reduced the current value as required. The current value of the output charging current. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded for_a period of time, that is, it can pull down D- For a period of time, the data line can control the communication signal transmitted between the mobile terminal and the charger to be in a low-level state, and the duration of the low-level state is a first preset time period.

如果充电器检测到移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则可以进行复位通信通路操作。If the charger detects that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is the first preset time period, the operation of resetting the communication path can be performed.

步骤603、接收所述移动终端发送的第一降低电流指令。Step 603: Receive a first current reduction instruction sent by the mobile terminal.

在步骤603中，经过第一预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以每隔一段时间，例如，每隔20毫秒向充电器发送第一降低电流指令，该第一降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器可以接收移动终端发送的第一降低电流指令。Instep 603, after the_first preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a high level state. Next, the mobile terminal may send a first current reduction command to the charger at regular intervals, for example, every 20 milliseconds, where the first current reduction command is used to instruct the charger to change the current value of the output charging current from the first current value down to the second current value. The charger may receive the first current reduction command sent by the mobile terminal.

步骤604、根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值。Step 604: Decrease the current value of the output charging current from the first current value to the second current value according to the first current reduction instruction.

在步骤604中，充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的第一降低电流指令，则可以根据第一降低电流指令，将输出的充电电流的电流值由第一电流值降低为第二电流值。Instep 604, after the charger resets the communication path, and the charger has no other faults, if the first current reduction command sent by the mobile terminal is received, the current value of the output charging current can be changed from The first current value is reduced to the second current value.

移动终端向充电器发送第一降低电流指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则移动终端的协议IC可以再次控制开关S₁接地一段时间，即可以再次拉低D-数据线一段时间，也即可以再次控制移动终端与充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段。After the mobile terminal sends the first current reduction command to the charger, it can detect the current value of the output charging current of the charger, and then judge whether the charger reduces the current value of the output charging current as required. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, the protocol IC of the mobile terminal can control the switch S1 to be grounded again for_a period of time, that is, it can be pulled down again. The D-data line is for a period of time, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in a low-level state again, and the duration of the low-level state is the second preset time period.

经过第二预设时间段之后，可以将开关S₁断开，即可以控制移动终端与充电器之间传输的通信信号处于高电平状态。接下来，移动终端可以再次向充电器发送降低电流指令，该降低电流指令用于指示充电器将输出充电电流的电流值由第一电流值降为第二电流值。充电器在检测到通信信号处于低电平状态，且处于低电平状态的持续时间为第二预设时间段的情况下，可以再次进行复位通信通路操作。充电器复位通信通路之后，且充电器没有其他故障，如果接收到移动终端发送的降低电流指令，则响应该降低电流指令，可以将输出充电电流的电流值由第一电流值降为第二电流值。After the second preset time period has elapsed, the switch S1 can be turned off, that is, the communication signal transmitted between the mobile terminal and the charger can be controlled to be in_a high-level state. Next, the mobile terminal may send a current reduction instruction to the charger again, where the current reduction instruction is used to instruct the charger to reduce the current value of the output charging current from the first current value to the second current value. When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is the second preset time period, the charger may perform an operation of resetting the communication path again. After the charger resets the communication path and the charger has no other faults, if it receives a current reduction command sent by the mobile terminal, in response to the current reduction command, the current value of the output charging current can be reduced from the first current value to the second current value value.

步骤605、接收所述移动终端发送的充电IC切换指令，其中，所述充电IC切换指令为所述移动终端发送所述第一降低电流指令之后，检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值的情况下所发送的指令。Step 605: Receive a charging IC switching instruction sent by the mobile terminal, wherein the charging IC switching instruction is the current of the charging current output by the charger detected after the mobile terminal sends the first current reduction instruction A command sent without the value being reduced from the first current value to the second current value.

在步骤605中，移动终端的充电电路包括半压充电通路和主充电IC，恒流充电为通过半压充电通路进行充电。移动终端向充电器再次发送降低电流指令之后，可以检测一下充电器输出充电电流的电流值，进而判断充电器是否按照要求降低了输出充电电流的电流值。如果移动终端判断出充电器未按照要求将输出充电电流的电流值由第一电流值降低至第二电流值，则可以关闭半压充电通路，并向充电器发送充电IC切换指令，例如，可以拉低一下D+数据线。充电器检测到D+数据线被拉低，则可以接收到充电IC切换指令。Instep 605, the charging circuit of the mobile terminal includes a half-voltage charging path and a main charging IC, and the constant-current charging is charging through the half-voltage charging path. After the mobile terminal sends the current reduction command to the charger again, it can detect the current value of the output charging current of the charger, and then judge whether the charger has reduced the current value of the output charging current as required. If the mobile terminal determines that the charger does not reduce the current value of the output charging current from the first current value to the second current value as required, it can close the half-voltage charging path and send a charging IC switching instruction to the charger, for example, it can Pull down the D+ data line. When the charger detects that the D+ data line is pulled low, it can receive the charging IC switching command.

步骤606、根据所述充电IC切换指令，通过所述移动终端的主充电IC为所述移动终端的电池充电。Step 606: Charge the battery of the mobile terminal through the main charging IC of the mobile terminal according to the charging IC switching instruction.

在步骤606中，充电器接收到充电IC切换指令之后，可以根据该充电IC切换指令，通过移动终端的主充电IC为移动终端的电池充电。Instep 606, after receiving the charging IC switching instruction, the charger can charge the battery of the mobile terminal through the main charging IC of the mobile terminal according to the charging IC switching instruction.

需要说明的是，充电器通过移动终端的主充电IC为移动终端的电池充电时，充电器的输出电压可以为5V，充电器输出充电电流的电流值可以为2A。主充电IC可以根据电池的实际情况，例如，可以根据电池的实际电压以及电池的温度等信息，控制流入电池的电流的大小，可以有效降低电池被损坏的风险。It should be noted that when the charger charges the battery of the mobile terminal through the main charging IC of the mobile terminal, the output voltage of the charger may be 5V, and the current value of the output charging current of the charger may be 2A. The main charging IC can control the size of the current flowing into the battery according to the actual situation of the battery, for example, according to the actual voltage of the battery and the temperature of the battery, which can effectively reduce the risk of the battery being damaged.

本发明实施例的充电方法，应用于充电器。充电器如果检测到移动终端与充电器之间传输的通信信号处于低电平状态一段时间，可以进行复位通信通路操作，进而可以响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。进一步的，如果移动终端判断出充电器未按照要求降低输出充电电流的电流值，则可以关闭半压充电通路，并且可以通过主充电IC接收充电器发送的充电电流。主充电IC可以根据电池的实际情况，控制流入电池的电流的大小，可以有效降低电池被损坏的风险。The charging method of the embodiment of the present invention is applied to a charger. If the charger detects that the communication signal transmitted between the mobile terminal and the charger is in a low-level state for a period of time, it can reset the communication path, and then can respond to the first current reduction command sent by the mobile terminal, which can reduce the output of the charger. The current value of the charging current controls the temperature rise of the mobile terminal battery. Further, if the mobile terminal determines that the charger does not reduce the current value of the output charging current as required, it can close the half-voltage charging path, and can receive the charging current sent by the charger through the main charging IC. The main charging IC can control the size of the current flowing into the battery according to the actual situation of the battery, which can effectively reduce the risk of the battery being damaged.

参见图7，图7是本发明实施提供的移动终端的结构图，如图7所示，移动终端700包括恒流充电模块701、控制模块702和第一发送模块703，其中：Referring to FIG. 7, FIG. 7 is a structural diagram of a mobile terminal provided by the implementation of the present invention. As shown in FIG. 7, themobile terminal 700 includes a constantcurrent charging module 701, acontrol module 702 and afirst sending module 703, wherein:

恒流充电模块701，用于根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；The constantcurrent charging module 701 is configured to perform constant current charging on the battery of the mobile terminal according to the current value output by the charger as a charging current with a first current value;

控制模块702，用于在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；Thecontrol module 702 is used to detect that the current value of the charging current output by the charger is not reduced from the first current value to the second current value when the voltage value of the battery of the mobile terminal reaches a preset voltage threshold value under control, the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period;

第一发送模块703，用于经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。Thefirst sending module 703 is configured to control the communication signal transmitted between the mobile terminal and the charger to be in a high-level state after the first preset time period has elapsed, and send the first sending module to the charger. A current reduction command, wherein the charger performs an operation of resetting the communication path when detecting that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, and in response to the first reduce current command.

可选的，如图8所示，所述移动终端的充电电路包括半压充电通路和主充电集成电路IC，所述恒流充电为通过所述半压充电通路进行充电；Optionally, as shown in FIG. 8 , the charging circuit of the mobile terminal includes a half-voltage charging path and a main charging integrated circuit IC, and the constant-current charging is charging through the half-voltage charging path;

所述移动终端还包括：The mobile terminal also includes:

第二发送模块704，用于若检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值，则关闭所述半压充电通路，并向所述充电器发送充电IC切换指令；Thesecond sending module 704 is configured to close the half-voltage charging path if it is detected that the current value of the charging current output by the charger does not decrease from the first current value to the second current value, and send the the charger sends a charging IC switching instruction;

接收模块705，用于通过所述主充电IC接收所述充电器根据所述充电IC切换指令发送的充电电流。The receivingmodule 705 is configured to receive, through the main charging IC, the charging current sent by the charger according to the charging IC switching instruction.

可选的，如图9所示，所述移动终端还包括：Optionally, as shown in Figure 9, the mobile terminal further includes:

第三发送模块706，用于向所述充电器发送电流基准提示指令，以使所述充电器根据所述电流基准提示指令，输出测试充电电流；Athird sending module 706, configured to send a current reference prompt instruction to the charger, so that the charger outputs a test charging current according to the current reference prompt instruction;

判断模块707，用于判断所述测试充电电流的电流值是否处于预设范围内；Ajudgment module 707, configured to judge whether the current value of the test charging current is within a preset range;

执行模块708，用于若所述测试充电电流的电流值处于所述预设范围内，则将所述测试充电电流作为所述电流值为第一电流值的充电电流，并执行所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤。Theexecution module 708 is configured to, if the current value of the test charging current is within the preset range, take the test charging current as the charging current whose current value is the first current value, and execute the charging according to the current value. The current value output by the device is the charging current of the first current value, and the step of performing constant current charging on the battery of the mobile terminal.

移动终端700能够实现图1和图4的方法实施例中移动终端实现的各个过程，为避免重复，这里不再赘述。且移动终端700可以实现通过控制移动终端与充电器之间传输的通信信号处于低电平状态一段时间的方式，使充电器进行复位通信通路操作，进而响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。可以降低移动终端的电池被损坏的风险。Themobile terminal 700 can implement each process implemented by the mobile terminal in the method embodiments of FIG. 1 and FIG. 4 , and to avoid repetition, details are not repeated here. And themobile terminal 700 can realize that by controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state for a period of time, the charger can reset the communication path operation, and then respond to the first current reduction command sent by the mobile terminal, The current value of the charging current output by the charger can be reduced, and the temperature rise of the mobile terminal battery can be controlled. The risk of the battery of the mobile terminal being damaged can be reduced.

参见图10，图10是本发明实施提供的充电器的结构图，如图10所示，充电器1000包括第一输出模块1001、复位模块1002、第一接收模块1003和降低模块1004，其中：Referring to FIG. 10, FIG. 10 is a structural diagram of a charger provided by the implementation of the present invention. As shown in FIG. 10, thecharger 1000 includes afirst output module 1001, areset module 1002, afirst receiving module 1003 and areduction module 1004, wherein:

第一输出模块1001，用于向移动终端输出电流值为第一电流值的充电电流；afirst output module 1001, configured to output a charging current whose current value is a first current value to the mobile terminal;

复位模块1002，用于若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作；Areset module 1002, configured to perform a reset if it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period communication path operations;

第一接收模块1003，用于接收所述移动终端发送的第一降低电流指令；afirst receiving module 1003, configured to receive a first current reduction instruction sent by the mobile terminal;

降低模块1004，用于根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值。The reducingmodule 1004 is configured to reduce the current value of the output charging current from the first current value to the second current value according to the first current reducing instruction.

可选的，如图11所示，所述充电器还包括：Optionally, as shown in FIG. 11 , the charger further includes:

第二接收模块1005，用于接收所述移动终端发送的充电IC切换指令，其中，所述充电IC切换指令为所述移动终端发送所述第一降低电流指令之后，检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值的情况下所发送的指令；Thesecond receiving module 1005 is configured to receive a charging IC switching instruction sent by the mobile terminal, wherein the charging IC switching instruction is that after the mobile terminal sends the first current reduction instruction, the output of the charger is detected The command sent when the current value of the charging current is not reduced from the first current value to the second current value;

充电模块1006，用于根据所述充电IC切换指令，通过所述移动终端的主充电IC为所述移动终端的电池充电。Thecharging module 1006 is configured to charge the battery of the mobile terminal through the main charging IC of the mobile terminal according to the charging IC switching instruction.

可选的，如图12所示，所述充电器还包括：Optionally, as shown in Figure 12, the charger further includes:

第三接收模块1007，用于接收所述移动终端发送的电流基准提示指令；Thethird receiving module 1007 is configured to receive the current reference prompt instruction sent by the mobile terminal;

第二输出模块1008，用于根据所述电流基准提示指令，输出测试充电电流。Thesecond output module 1008 is configured to output the test charging current according to the current reference prompt instruction.

充电器1000能够实现图5和图6的方法实施例中充电器实现的各个过程，为避免重复，这里不再赘述。且充电器1000可以实现如果检测到移动终端与充电器之间传输的通信信号处于低电平状态一段时间，可以进行复位通信通路操作，进而可以响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。可以降低移动终端的电池被损坏的风险。Thecharger 1000 can implement each process implemented by the charger in the method embodiments of FIG. 5 and FIG. 6 , and to avoid repetition, details are not repeated here. And thecharger 1000 can realize that if it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state for a period of time, the operation of resetting the communication path can be performed, and then it can respond to the first current reduction command sent by the mobile terminal, and can reduce the current. The current value of the charging current output by the charger controls the temperature rise of the mobile terminal battery. The risk of the battery of the mobile terminal being damaged can be reduced.

图13为实现本发明各个实施例的一种移动终端的硬件结构示意图。FIG. 13 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention.

该移动终端1300包括但不限于：射频单元1301、网络模块1302、音频输出单元1303、输入单元1304、传感器1305、显示单元1306、用户输入单元1307、接口单元1308、存储器1309、处理器1310、以及电源1311等部件。本领域技术人员可以理解，图13中示出的移动终端结构并不构成对移动终端的限定，移动终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本发明实施例中，移动终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。Themobile terminal 1300 includes but is not limited to: aradio frequency unit 1301, anetwork module 1302, anaudio output unit 1303, aninput unit 1304, asensor 1305, adisplay unit 1306, auser input unit 1307, aninterface unit 1308, amemory 1309, aprocessor 1310, andPower 1311 and other components. Those skilled in the art can understand that the structure of the mobile terminal shown in FIG. 13 does not constitute a limitation on the mobile terminal, and the mobile terminal may include more or less components than the one shown, or combine some components, or different components layout. In this embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.

处理器1310，用于根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；Theprocessor 1310 is configured to perform constant current charging on the battery of the mobile terminal according to the charging current output by the charger as a first current value;

在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；When the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger does not decrease from the first current value to the second current value, the mobile terminal is controlled to move The communication signal transmitted between the terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period;

经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令。After the first preset time period elapses, the communication signal transmitted between the mobile terminal and the charger is controlled to be in a high-level state, and a first current reduction command is sent to the charger, wherein the When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, the charger performs an operation of resetting the communication path, and responds to the first current reduction command .

通过控制移动终端与充电器之间传输的通信信号处于低电平状态一段时间的方式，使充电器进行复位通信通路操作，进而响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。可以降低移动终端的电池被损坏的风险。By controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state for a period of time, the charger can reset the communication path, and then respond to the first current reduction command sent by the mobile terminal to reduce the output voltage of the charger. The current value of the charging current controls the temperature rise of the mobile terminal battery. The risk of the battery of the mobile terminal being damaged can be reduced.

应理解的是，本发明实施例中，射频单元1301可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器1310处理；另外，将上行的数据发送给基站。通常，射频单元1301包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元1301还可以通过无线通信系统与网络和其他设备通信。It should be understood that, in this embodiment of the present invention, theradio frequency unit 1301 can be used for receiving and sending signals during sending and receiving of information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by theprocessor 1310; The uplink data is sent to the base station. Generally, theradio frequency unit 1301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, theradio frequency unit 1301 can also communicate with the network and other devices through a wireless communication system.

移动终端通过网络模块1302为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。The mobile terminal provides the user with wireless broadband Internet access through thenetwork module 1302, such as helping the user to send and receive emails, browse web pages, and access streaming media.

音频输出单元1303可以将射频单元1301或网络模块1302接收的或者在存储器1309中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元1303还可以提供与移动终端1300执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元1303包括扬声器、蜂鸣器以及受话器等。Theaudio output unit 1303 may convert audio data received by theradio frequency unit 1301 or thenetwork module 1302 or stored in thememory 1309 into audio signals and output as sound. Also, theaudio output unit 1303 may also provide audio output related to a specific function performed by the mobile terminal 1300 (eg, call signal reception sound, message reception sound, etc.). Theaudio output unit 1303 includes a speaker, a buzzer, a receiver, and the like.

输入单元1304用于接收音频或视频信号。输入单元1304可以包括图形处理器(Graphics Processing Unit，GPU)13041和麦克风13042，图形处理器13041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元1306上。经图形处理器13041处理后的图像帧可以存储在存储器1309(或其它存储介质)中或者经由射频单元1301或网络模块1302进行发送。麦克风13042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元1301发送到移动通信基站的格式输出。Theinput unit 1304 is used to receive audio or video signals. Theinput unit 1304 may include a graphics processor (Graphics Processing Unit, GPU) 13041 and amicrophone 13042. Thegraphics processor 13041 captures images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode data is processed. The processed image frames may be displayed on thedisplay unit 1306 . The image frames processed by thegraphics processor 13041 may be stored in the memory 1309 (or other storage medium) or transmitted via theradio frequency unit 1301 or thenetwork module 1302 . Themicrophone 13042 can receive sound and can process such sound into audio data. The processed audio data can be converted into a format that can be transmitted to a mobile communication base station via theradio frequency unit 1301 for output in the case of a telephone call mode.

移动终端1300还包括至少一种传感器1305，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板13061的亮度，接近传感器可在移动终端1300移动到耳边时，关闭显示面板13061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别移动终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器1305还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。The mobile terminal 1300 also includes at least onesensor 1305, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of thedisplay panel 13061 according to the brightness of the ambient light, and the proximity sensor can turn off thedisplay panel 13061 and the proximity sensor when themobile terminal 1300 is moved to the ear. / or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of mobile terminals (such as horizontal and vertical screen switching, related games , magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.;sensors 1305 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., are not repeated here.

显示单元1306用于显示由用户输入的信息或提供给用户的信息。显示单元1306可包括显示面板13061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板13061。Thedisplay unit 1306 is used to display information input by the user or information provided to the user. Thedisplay unit 1306 may include adisplay panel 13061, and thedisplay panel 13061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

用户输入单元1307可用于接收输入的数字或字符信息，以及产生与移动终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元1307包括触控面板13071以及其他输入设备13072。触控面板13071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板13071上或在触控面板13071附近的操作)。触控面板13071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器1310，接收处理器1310发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板13071。除了触控面板13071，用户输入单元1307还可以包括其他输入设备13072。具体地，其他输入设备13072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。Theuser input unit 1307 may be used to receive input numerical or character information, and generate key signal input related to user settings and function control of the mobile terminal. Specifically, theuser input unit 1307 includes atouch panel 13071 andother input devices 13072 . Thetouch panel 13071, also known as the touch screen, can collect the user's touch operations on or near it (such as the user's finger, stylus, etc., any suitable object or accessory on thetouch panel 13071 or near thetouch panel 13071. operate). Thetouch panel 13071 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller. To theprocessor 1310, the command sent by theprocessor 1310 is received and executed. In addition, thetouch panel 13071 can be realized by various types of resistive, capacitive, infrared, and surface acoustic waves. In addition to thetouch panel 13071 , theuser input unit 1307 may also includeother input devices 13072 . Specifically,other input devices 13072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.

进一步的，触控面板13071可覆盖在显示面板13061上，当触控面板13071检测到在其上或附近的触摸操作后，传送给处理器1310以确定触摸事件的类型，随后处理器1310根据触摸事件的类型在显示面板13061上提供相应的视觉输出。虽然在图13中，触控面板13071与显示面板13061是作为两个独立的部件来实现移动终端的输入和输出功能，但是在某些实施例中，可以将触控面板13071与显示面板13061集成而实现移动终端的输入和输出功能，具体此处不做限定。Further, thetouch panel 13071 can be covered on thedisplay panel 13061. When thetouch panel 13071 detects a touch operation on or near it, it transmits it to theprocessor 1310 to determine the type of the touch event, and then theprocessor 1310 determines the type of the touch event according to the touch The type of event provides a corresponding visual output ondisplay panel 13061. Although in FIG. 13, thetouch panel 13071 and thedisplay panel 13061 are used as two independent components to realize the input and output functions of the mobile terminal, in some embodiments, thetouch panel 13071 and thedisplay panel 13061 can be integrated The input and output functions of the mobile terminal are implemented, which is not specifically limited here.

接口单元1308为外部装置与移动终端1300连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元1308可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到移动终端1300内的一个或多个元件或者可以用于在移动终端1300和外部装置之间传输数据。Theinterface unit 1308 is an interface for connecting an external device to themobile terminal 1300 . For example, external devices may include wired or wireless headset ports, external power (or battery charger) ports, wired or wireless data ports, memory card ports, ports for connecting devices with identification modules, audio input/output (I/O) ports, video I/O ports, headphone ports, and more. Theinterface unit 1308 may be used to receive input (eg, data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 1300 or may be used between themobile terminal 1300 and the external Transfer data between devices.

存储器1309可用于存储软件程序以及各种数据。存储器1309可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器1309可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。Thememory 1309 may be used to store software programs as well as various data. Thememory 1309 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program required for at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc. Additionally,memory 1309 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

处理器1310是移动终端的控制中心，利用各种接口和线路连接整个移动终端的各个部分，通过运行或执行存储在存储器1309内的软件程序和/或模块，以及调用存储在存储器1309内的数据，执行移动终端的各种功能和处理数据，从而对移动终端进行整体监控。处理器1310可包括一个或多个处理单元；优选的，处理器1310可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器1310中。Theprocessor 1310 is the control center of the mobile terminal, uses various interfaces and lines to connect various parts of the entire mobile terminal, runs or executes the software programs and/or modules stored in thememory 1309, and calls the data stored in thememory 1309. , perform various functions of the mobile terminal and process data, so as to monitor the mobile terminal as a whole. Theprocessor 1310 may include one or more processing units; preferably, theprocessor 1310 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc., and the modem The processor mainly handles wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into theprocessor 1310.

移动终端1300还可以包括给各个部件供电的电源1311(比如电池)，优选的，电源1311可以通过电源管理系统与处理器1310逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。The mobile terminal 1300 may also include a power supply 1311 (such as a battery) for supplying power to various components. Preferably, thepower supply 1311 may be logically connected to theprocessor 1310 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system and other functions.

另外，移动终端1300包括一些未示出的功能模块，在此不再赘述。In addition, themobile terminal 1300 includes some functional modules not shown, which will not be repeated here.

可选的，所述移动终端的充电电路包括半压充电通路和主充电集成电路IC，所述恒流充电为通过所述半压充电通路进行充电；Optionally, the charging circuit of the mobile terminal includes a half-voltage charging path and a main charging integrated circuit IC, and the constant-current charging is charging through the half-voltage charging path;

处理器1310还用于：Processor 1310 is also used to:

若检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值，则关闭所述半压充电通路，并向所述充电器发送充电IC切换指令；If it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, the half-voltage charging path is closed, and a charging IC switch is sent to the charger instruction;

通过所述主充电IC接收所述充电器根据所述充电IC切换指令发送的充电电流。The charging current sent by the charger according to the charging IC switching instruction is received by the main charging IC.

可选的，处理器1310还用于：Optionally, theprocessor 1310 is further configured to:

向所述充电器发送电流基准提示指令，以使所述充电器根据所述电流基准提示指令，输出测试充电电流；sending a current reference prompt instruction to the charger, so that the charger outputs a test charging current according to the current reference prompt instruction;

判断所述测试充电电流的电流值是否处于预设范围内；judging whether the current value of the test charging current is within a preset range;

若所述测试充电电流的电流值处于所述预设范围内，则将所述测试充电电流作为所述电流值为第一电流值的充电电流，并执行所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤。If the current value of the test charging current is within the preset range, take the test charging current as the charging current whose current value is the first current value, and execute the process according to the current value output by the charger as the charging current with the first current value. The charging current of the first current value is a step of performing constant current charging on the battery of the mobile terminal.

移动终端1300能够实现前述实施例中移动终端实现的各个过程，为避免重复，这里不再赘述。且移动终端1300可以实现通过控制移动终端与充电器之间传输的通信信号处于低电平状态一段时间的方式，使充电器进行复位通信通路操作，进而响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。可以降低移动终端的电池被损坏的风险。The mobile terminal 1300 can implement each process implemented by the mobile terminal in the foregoing embodiments, and in order to avoid repetition, details are not repeated here. And the mobile terminal 1300 can realize that by controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state for a period of time, the charger can reset the communication path operation, and then respond to the first current reduction command sent by the mobile terminal, The current value of the charging current output by the charger can be reduced, and the temperature rise of the mobile terminal battery can be controlled. The risk of the battery of the mobile terminal being damaged can be reduced.

优选的，本发明实施例还提供一种移动终端，包括处理器1310，存储器1309，存储在存储器1309上并可在所述处理器1310上运行的计算机程序，该计算机程序被处理器1310执行时实现上述充电方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。Preferably, an embodiment of the present invention further provides a mobile terminal, including aprocessor 1310, amemory 1309, and a computer program stored in thememory 1309 and running on theprocessor 1310, when the computer program is executed by theprocessor 1310 The various processes of the foregoing charging method embodiments are implemented, and the same technical effects can be achieved. To avoid repetition, details are not described here.

本发明实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现上述充电方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等。Embodiments of the present invention further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, each process of the foregoing charging method embodiment can be achieved, and the same technical effect can be achieved , in order to avoid repetition, it will not be repeated here. The computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk, or an optical disk.

参见图14，图14是本发明实施提供的充电器的结构图，如图14所示，充电器1400包括：至少一个处理器1401和存储器1402。充电器1400中的各个组件通过总线系统1403耦合在一起。可理解，总线系统1403用于实现这些组件之间的连接通信。总线系统1403除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图14中将各种总线都标为总线系统1403。Referring to FIG. 14 , FIG. 14 is a structural diagram of a charger provided by the implementation of the present invention. As shown in FIG. 14 , thecharger 1400 includes: at least oneprocessor 1401 and amemory 1402 . The various components incharger 1400 are coupled together bybus system 1403 . It can be understood that thebus system 1403 is used to realize the connection communication between these components. In addition to the data bus, thebus system 1403 also includes a power bus, a control bus and a status signal bus. However, for the sake of clarity, the various buses are labeled asbus system 1403 in FIG. 14 .

可以理解，本发明实施例中的存储器1402可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double DataRate SDRAM，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DRRAM)。本文描述的系统和方法的存储器1402旨在包括但不限于这些和任意其它适合类型的存储器。It can be understood that thememory 1402 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Wherein, the non-volatile memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double DataRate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synchlink DRAM, SLDRAM) and Direct memory bus random access memory (Direct Rambus RAM, DRRAM). Thememory 1402 of the systems and methods described herein is intended to include, but not be limited to, these and any other suitable types of memory.

在一些实施方式中，存储器1402存储了如下的元素，可执行模块或者数据结构，或者他们的子集，或者他们的扩展集：操作系统14021和应用程序14022。In some embodiments,memory 1402 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set of them: operatingsystem 14021 andapplications 14022.

其中，操作系统14021，包含各种系统程序，例如框架层、核心库层、驱动层等，用于实现各种基础业务以及处理基于硬件的任务。应用程序14022，包含各种应用程序，例如媒体播放器(Media Player)、浏览器(Browser)等，用于实现各种应用业务。实现本发明实施例方法的程序可以包含在应用程序14022中。Theoperating system 14021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks. Theapplication program 14022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., for implementing various application services. A program for implementing the method of the embodiment of the present invention may be included in theapplication program 14022 .

在本发明实施例中，通过调用存储器1402存储的程序或指令，具体的，可以是应用程序14022中存储的程序或指令，处理器1401用于：In this embodiment of the present invention, by calling the program or instruction stored in thememory 1402, specifically, the program or instruction stored in theapplication program 14022, theprocessor 1401 is configured to:

向移动终端输出电流值为第一电流值的充电电流；outputting a charging current whose current value is the first current value to the mobile terminal;

若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作；If it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period, the operation of resetting the communication path is performed;

接收所述移动终端发送的第一降低电流指令；receiving a first current reduction instruction sent by the mobile terminal;

根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值。According to the first current reduction command, the current value of the output charging current is reduced from the first current value to the second current value.

上述本发明实施例揭示的方法可以应用于处理器1401中，或者由处理器1401实现。处理器1401可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器1401中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器1401可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(FieldProgrammable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1402，处理器1401读取存储器1402中的信息，结合其硬件完成上述方法的步骤。The methods disclosed in the above embodiments of the present invention may be applied to theprocessor 1401 or implemented by theprocessor 1401 . Theprocessor 1401 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method may be completed by an integrated logic circuit of hardware in theprocessor 1401 or an instruction in the form of software. The above-mentionedprocessor 1401 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other possible Programming logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present invention may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art. The storage medium is located in thememory 1402, and theprocessor 1401 reads the information in thememory 1402, and completes the steps of the above method in combination with its hardware.

可以理解的是，本文描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一个或多个专用集成电路(ApplicationSpecific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable LogicDevice，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。It will be appreciated that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit may be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Device (DSP Device, DSPD), programmable logic Devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units for performing the functions described in this application or a combination thereof.

对于软件实现，可通过执行本文所述功能的模块(例如过程、函数等)来实现本文所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。For a software implementation, the techniques described herein may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described herein. Software codes may be stored in memory and executed by a processor. The memory can be implemented in the processor or external to the processor.

可选的，处理器1401还用于：Optionally, theprocessor 1401 is further configured to:

接收所述移动终端发送的充电IC切换指令，其中，所述充电IC切换指令为所述移动终端发送所述第一降低电流指令之后，检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值的情况下所发送的指令；Receive a charging IC switching instruction sent by the mobile terminal, wherein the charging IC switching instruction is that after the mobile terminal sends the first current reduction instruction, it is detected that the current value of the charging current output by the charger is not changed by an instruction sent when the first current value is reduced to the second current value;

根据所述充电IC切换指令，通过所述移动终端的主充电IC为所述移动终端的电池充电。According to the charging IC switching instruction, the battery of the mobile terminal is charged through the main charging IC of the mobile terminal.

可选的，处理器1401还用于：Optionally, theprocessor 1401 is further configured to:

接收所述移动终端发送的电流基准提示指令；receiving a current reference prompt instruction sent by the mobile terminal;

根据所述电流基准提示指令，输出测试充电电流。According to the current reference prompt instruction, output the test charging current.

充电器1400能够实现前述实施例中充电器实现的各个过程，为避免重复，这里不再赘述。且充电器1400可以实现如果检测到移动终端与充电器之间传输的通信信号处于低电平状态一段时间，可以进行复位通信通路操作，进而可以响应移动终端发送的第一降低电流指令，可以降低充电器输出的充电电流的电流值，控制移动终端电池的温升。可以降低移动终端的电池被损坏的风险。Thecharger 1400 can implement various processes implemented by the charger in the foregoing embodiments, and to avoid repetition, details are not described here. And thecharger 1400 can realize that if it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state for a period of time, the operation of resetting the communication path can be performed, and then it can respond to the first current reduction command sent by the mobile terminal, and can reduce the current. The current value of the charging current output by the charger controls the temperature rise of the mobile terminal battery. The risk of the battery of the mobile terminal being damaged can be reduced.

优选的，本发明实施例还提供一种充电器，包括处理器1401，存储器1402，存储在存储器1402上并可在所述处理器1401上运行的计算机程序，该计算机程序被处理器1401执行时实现上述充电方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。Preferably, an embodiment of the present invention further provides a charger, including aprocessor 1401, amemory 1402, and a computer program stored in thememory 1402 and running on theprocessor 1401, when the computer program is executed by theprocessor 1401 The various processes of the foregoing charging method embodiments are implemented, and the same technical effects can be achieved. To avoid repetition, details are not described here.

需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台移动终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本发明各个实施例所述的方法。From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present invention can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a mobile terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the various embodiments of the present invention.

上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本发明的保护之内。The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the spirit of the present invention and the scope protected by the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (10)

Translated fromChinese

1.一种充电方法，应用于移动终端，其特征在于，所述方法包括：1. A charging method, applied to a mobile terminal, wherein the method comprises:根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；performing constant current charging on the battery of the mobile terminal according to the charging current of the first current value output by the charger;在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；When the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger does not decrease from the first current value to the second current value, the mobile terminal is controlled to move The communication signal transmitted between the terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period;经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令；After the first preset time period elapses, the communication signal transmitted between the mobile terminal and the charger is controlled to be in a high-level state, and a first current reduction command is sent to the charger, wherein the When the charger detects that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, the charger performs an operation of resetting the communication path, and responds to the first current reduction command ;在所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤之前，所述方法还包括：Before the step of performing constant current charging on the battery of the mobile terminal according to the charging current of the first current value according to the current value output by the charger, the method further includes:如果所述移动终端判断充电线的阻抗值符合条件，则先进行小电流调节：所述移动终端向所述充电器发送输出第二电流值的指令，进而所述移动终端检测充电器输出的充电电流的电流值，如果检测到的电流值与所述第二电流值相差在阈值范围内，则确定充电器是可控的，进行大电流调节：向所述充电器发送电流基准提示指令，以使所述充电器根据所述电流基准提示指令，输出测试充电电流，判断所述测试充电电流的电流值是否处于预设范围内，若所述测试充电电流的电流值处于所述预设范围内，则将所述测试充电电流作为所述电流值为第一电流值的充电电流，并执行所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤；其中，所述第二电流值小于所述测试充电电流；其中，在所述大电流调节过程中，根据电流基准I_set、电池电压Vbat、充电线的阻抗值R以及k计算出一个电压基准Vset，其中，k＝2，Vset的计算公式如下：If the mobile terminal determines that the impedance value of the charging cable meets the conditions, it first performs low-current adjustment: the mobile terminal sends an instruction to output the second current value to the charger, and then the mobile terminal detects the charging output from the charger. The current value of the current, if the difference between the detected current value and the second current value is within the threshold range, it is determined that the charger is controllable, and a large current adjustment is performed: send a current reference prompt command to the charger to Make the charger output the test charging current according to the current reference prompt instruction, and determine whether the current value of the test charging current is within the preset range, if the current value of the test charging current is within the preset range , then the test charging current is taken as the charging current whose current value is the first current value, and the charging current according to the current value output by the charger is the first current value, and the battery of the mobile terminal is charged. The step of constant current charging; wherein, the second current value is less than the test charging current; wherein, in the large current adjustment process, according to the current reference I_set , the battery voltage Vbat, the impedance values R and k of the charging line A voltage reference Vset is calculated, where k=2, and the calculation formula of Vset is as follows:Vset＝k×Vbat+I_set×R_Vset =k×Vbat+Iset×R计算出Vset之后，发送给充电器的Vset比计算出的Vset大。After Vset is calculated, the Vset sent to the charger is larger than the calculated Vset.2.如权利要求1所述的方法，其特征在于，所述移动终端的充电电路包括半压充电通路和主充电集成电路IC，所述恒流充电为通过所述半压充电通路进行充电；2. The method of claim 1, wherein the charging circuit of the mobile terminal comprises a half-voltage charging path and a main charging integrated circuit IC, and the constant-current charging is charging through the half-voltage charging path;在所述经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令的步骤之后，所述方法还包括：The step of controlling the communication signal transmitted between the mobile terminal and the charger to be in a high-level state and sending a first current reduction command to the charger after the first preset time period has elapsed Afterwards, the method further includes:若检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值，则关闭所述半压充电通路，并向所述充电器发送充电IC切换指令；If it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, the half-voltage charging path is closed, and a charging IC switch is sent to the charger instruction;通过所述主充电IC接收所述充电器根据所述充电IC切换指令发送的充电电流。The charging current sent by the charger according to the charging IC switching instruction is received by the main charging IC.3.一种充电方法，应用于充电器，其特征在于，所述方法包括：3. A charging method, applied to a charger, wherein the method comprises:向移动终端输出电流值为第一电流值的充电电流；outputting a charging current whose current value is the first current value to the mobile terminal;若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作；If it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period, the operation of resetting the communication path is performed;接收所述移动终端发送的第一降低电流指令；receiving a first current reduction instruction sent by the mobile terminal;根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值；reducing the current value of the output charging current from the first current value to the second current value according to the first current reduction instruction;在所述向移动终端输出电流值为第一电流值的充电电流的步骤之前，所述方法还包括：Before the step of outputting the charging current whose current value is the first current value to the mobile terminal, the method further includes:接收所述移动终端发送的第二电流值的指令，根据所述第二电流值的指令，输出充电电流；接收所述移动终端发送的电流基准提示指令，其中，所述电流基准提示指令是在所述移动终端判断检测到的电流值与所述第二电流值相差在阈值范围内之后发出的；根据所述电流基准提示指令，输出测试充电电流；其中，所述第二电流值小于所述测试充电电流；其中，在所述测试充电电流确定过程中，根据电流基准I_set、电池电压Vbat、充电线的阻抗值R以及k计算出一个电压基准Vset，其中，k＝2，Vset的计算公式如下：Receive the instruction of the second current value sent by the mobile terminal, output the charging current according to the instruction of the second current value; receive the current reference prompt instruction sent by the mobile terminal, wherein the current reference prompt instruction is in The mobile terminal determines that the difference between the detected current value and the second current value is within a threshold range; and outputs a test charging current according to the current reference prompt instruction; wherein the second current value is smaller than the Test the charging current; wherein, in the process of determining the test charging current, a voltage reference_Vset is calculated according to the current reference Iset, the battery voltage Vbat, the resistance value R and k of the charging line, where k=2, the calculation of Vset The formula is as follows:Vset＝k×Vbat+I_set×R_Vset =k×Vbat+Iset×R计算出Vset之后，充电器接收到的Vset比计算出的Vset大。After Vset is calculated, the Vset received by the charger is larger than the calculated Vset.4.如权利要求3所述的方法，其特征在于，在所述接收所述移动终端发送的第一降低电流指令的步骤之后，所述方法还包括：4. The method according to claim 3, wherein after the step of receiving the first current reduction instruction sent by the mobile terminal, the method further comprises:接收所述移动终端发送的充电IC切换指令，其中，所述充电IC切换指令为所述移动终端发送所述第一降低电流指令之后，检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值的情况下所发送的指令；Receive a charging IC switching instruction sent by the mobile terminal, wherein the charging IC switching instruction is that after the mobile terminal sends the first current reduction instruction, it is detected that the current value of the charging current output by the charger is not changed by an instruction sent when the first current value is reduced to the second current value;根据所述充电IC切换指令，通过所述移动终端的主充电IC为所述移动终端的电池充电。According to the charging IC switching instruction, the battery of the mobile terminal is charged through the main charging IC of the mobile terminal.5.一种移动终端，其特征在于，包括：5. A mobile terminal, characterized in that, comprising:恒流充电模块，用于根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电；a constant current charging module, configured to perform constant current charging on the battery of the mobile terminal according to the charging current output by the charger as a first current value;控制模块，用于在所述移动终端的电池的电压值达到预设电压阈值，且检测到充电器输出的充电电流的电流值未由所述第一电流值降低至第二电流值的情况下，控制所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段；The control module is used for when the voltage value of the battery of the mobile terminal reaches a preset voltage threshold, and it is detected that the current value of the charging current output by the charger does not decrease from the first current value to the second current value , controlling the communication signal transmitted between the mobile terminal and the charger to be in a low-level state, and the duration of the low-level state is a first preset time period;第一发送模块，用于经过所述第一预设时间段之后，控制所述移动终端与所述充电器之间传输的通信信号处于高电平状态，且向所述充电器发送第一降低电流指令，其中，所述充电器在检测到所述通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段的情况下，进行复位通信通路操作，并响应所述第一降低电流指令；a first sending module, configured to control the communication signal transmitted between the mobile terminal and the charger to be in a high-level state after the first preset time period elapses, and send a first drop to the charger A current command, wherein the charger performs an operation of resetting the communication path when detecting that the communication signal is in a low-level state and the duration of the low-level state is a first preset time period, and responds the first lowering current command;所述移动终端还包括：The mobile terminal also includes:第三发送模块，用于如果所述移动终端判断充电线的阻抗值符合条件，则向所述充电器发送输出第二电流值的指令，如果所述移动终端检测到的电流值与所述第二电流值相差在阈值范围内，则向所述充电器发送电流基准提示指令，以使所述充电器根据所述电流基准提示指令，输出测试充电电流，其中，所述第二电流值小于所述测试充电电流；其中，在所述测试充电电流确定过程中，根据电流基准I_set、电池电压Vbat、充电线的阻抗值R以及k计算出一个电压基准Vset，其中，k＝2，Vset的计算公式如下：A third sending module, configured to send an instruction to output a second current value to the charger if the mobile terminal determines that the impedance value of the charging cable meets the conditions, and if the current value detected by the mobile terminal is the same as the first current value If the difference between the two current values is within the threshold range, a current reference prompt instruction is sent to the charger, so that the charger outputs a test charging current according to the current reference prompt instruction, wherein the second current value is less than the specified current value. The test charging current; wherein, in the process of determining the test charging current, a voltage reference_Vset is calculated according to the current reference Iset, the battery voltage Vbat, the resistance value R and k of the charging line, wherein k=2, Vset Calculated as follows:Vset＝k×Vbat+I_set×R_Vset =k×Vbat+Iset×R计算出Vset之后，发送给充电器的Vset比计算出的Vset大；After calculating Vset, the Vset sent to the charger is larger than the calculated Vset;判断模块，用于判断所述测试充电电流的电流值是否处于预设范围内；a judgment module for judging whether the current value of the test charging current is within a preset range;执行模块，用于若所述测试充电电流的电流值处于所述预设范围内，则将所述测试充电电流作为所述电流值为第一电流值的充电电流，并执行所述根据充电器输出的电流值为第一电流值的充电电流，对所述移动终端的电池进行恒流充电的步骤。an execution module, configured to take the test charging current as the charging current with the current value of the first current value if the current value of the test charging current is within the preset range, and execute the charging current according to the charger The output current value is the charging current of the first current value, and the step of performing constant current charging on the battery of the mobile terminal.6.如权利要求5所述的移动终端，其特征在于，所述移动终端的充电电路包括半压充电通路和主充电集成电路IC，所述恒流充电为通过所述半压充电通路进行充电；6 . The mobile terminal according to claim 5 , wherein the charging circuit of the mobile terminal comprises a half-voltage charging path and a main charging integrated circuit IC, and the constant-current charging is charging through the half-voltage charging path. 7 . ;所述移动终端还包括：The mobile terminal also includes:第二发送模块，用于若检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值，则关闭所述半压充电通路，并向所述充电器发送充电IC切换指令；The second sending module is configured to close the half-voltage charging path if it is detected that the current value of the charging current output by the charger is not reduced from the first current value to the second current value, and send the The charger sends the charging IC switching command;接收模块，用于通过所述主充电IC接收所述充电器根据所述充电IC切换指令发送的充电电流。A receiving module, configured to receive, through the main charging IC, the charging current sent by the charger according to the charging IC switching instruction.7.一种充电器，其特征在于，包括：7. A charger, characterized in that, comprising:第一输出模块，用于向移动终端输出电流值为第一电流值的充电电流；a first output module, configured to output a charging current whose current value is the first current value to the mobile terminal;复位模块，用于若检测到所述移动终端与所述充电器之间传输的通信信号处于低电平状态，且处于低电平状态的持续时间为第一预设时间段，则进行复位通信通路操作；A reset module, configured to perform reset communication if it is detected that the communication signal transmitted between the mobile terminal and the charger is in a low-level state, and the duration of the low-level state is a first preset time period access operation;第一接收模块，用于接收所述移动终端发送的第一降低电流指令；a first receiving module, configured to receive a first current reduction instruction sent by the mobile terminal;降低模块，用于根据所述第一降低电流指令，将输出的充电电流的电流值由所述第一电流值降低为第二电流值；A reduction module, configured to reduce the current value of the output charging current from the first current value to the second current value according to the first current reduction instruction;所述充电器还包括：The charger also includes:第三接收模块，用于先接收所述移动终端发送的第二电流值的指令，根据所述第二电流值的指令，输出充电电流；接收所述移动终端发送的电流基准提示指令，其中，所述电流基准提示指令是在所述移动终端判断检测到的电流值与所述第二电流值相差在阈值范围内之后发出的；The third receiving module is configured to first receive the instruction of the second current value sent by the mobile terminal, output the charging current according to the instruction of the second current value, and receive the current reference prompt instruction sent by the mobile terminal, wherein, The current reference prompt instruction is sent after the mobile terminal determines that the difference between the detected current value and the second current value is within a threshold range;第二输出模块，用于根据所述电流基准提示指令，输出测试充电电流，其中，所述第二电流值小于所述测试充电电流；其中，在所述测试充电电流确定过程中，根据电流基准I_set、电池电压Vbat、充电线的阻抗值R以及k计算出一个电压基准Vset，其中，k＝2，Vset的计算公式如下：The second output module is configured to output the test charging current according to the current reference prompt instruction, wherein the second current value is smaller than the test charging current; wherein, in the process of determining the test charging current, according to the current reference I_set , the battery voltage Vbat, the resistance value R of the charging line, and k calculate a voltage reference Vset, where k=2, and the calculation formula of Vset is as follows:Vset＝k×Vbat+I_set×R_Vset =k×Vbat+Iset×R计算出Vset之后，充电器接收到的Vset比计算出的Vset大。After Vset is calculated, the Vset received by the charger is larger than the calculated Vset.8.如权利要求7所述的充电器，其特征在于，所述充电器还包括：8. The charger of claim 7, wherein the charger further comprises:第二接收模块，用于接收所述移动终端发送的充电IC切换指令，其中，所述充电IC切换指令为所述移动终端发送所述第一降低电流指令之后，检测到所述充电器输出的充电电流的电流值未由所述第一电流值降低至所述第二电流值的情况下所发送的指令；The second receiving module is configured to receive a charging IC switching instruction sent by the mobile terminal, wherein the charging IC switching instruction is after the mobile terminal sends the first current reduction instruction, and detects the output of the charger. an instruction sent when the current value of the charging current is not reduced from the first current value to the second current value;充电模块，用于根据所述充电IC切换指令，通过所述移动终端的主充电IC为所述移动终端的电池充电。The charging module is used for charging the battery of the mobile terminal through the main charging IC of the mobile terminal according to the charging IC switching instruction.9.一种移动终端，其特征在于，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至2中任一项所述的充电方法的步骤。9. A mobile terminal, characterized in that, comprising a processor, a memory and a computer program stored on the memory and running on the processor, the computer program being executed by the processor to achieve the right The steps of the charging method of any one of claims 1 to 2.10.一种充电器，其特征在于，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求3至4中任一项所述的充电方法的步骤。10. A charger, characterized in that it comprises a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor to achieve the right The steps of any one of claims 3 to 4 of the charging method.

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