技术领域technical field
本实用新型涉及电子设备技术领域，特别涉及一种充电模块和电子设备。The utility model relates to the technical field of electronic equipment, in particular to a charging module and electronic equipment.
背景技术Background technique
目前，使用集成充电功能的芯片设计的产品，大多使用芯片内部的电路进行充电。At present, most products designed using chips with integrated charging functions use the circuits inside the chips for charging.
然而，芯片内部的电路只能提供一路充电电流，充电速度较慢。However, the circuit inside the chip can only provide one charging current, and the charging speed is relatively slow.
实用新型内容Utility model content
本实用新型的主要目的是提供一种充电模块，旨在加快该充电模块的充电速度。The main purpose of the utility model is to provide a charging module, aiming at accelerating the charging speed of the charging module.
为实现上述目的，本实用新型提出的充电模块包括电源输入端、第一充电电路、第二充电电路及电源输出端，所述电源输入端、所述第一充电电路的输入端及所述第二充电电路的输入端互连，所述第一充电电路的输出端、所述第二充电电路的输出端及所述电源输出端互连；其中，所述电源输入端，用于连接电源；所述电源输出端，用于连接待充电电池；所述第一充电电路，用于将输入至所述电源输入端的电源输出至所述电池，以为所述电池充电；所述第二充电电路，用于将输入至所述电源输入端的电源输出至所述电池，以为所述电池充电。In order to achieve the above object, the charging module proposed by the utility model includes a power input terminal, a first charging circuit, a second charging circuit and a power output terminal, the power input terminal, the input terminal of the first charging circuit and the first charging circuit The input ends of the two charging circuits are interconnected, the output end of the first charging circuit, the output end of the second charging circuit, and the output end of the power supply are interconnected; wherein, the input end of the power supply is used to connect to a power supply; The power supply output terminal is used to connect the battery to be charged; the first charging circuit is used to output the power input to the power supply input terminal to the battery to charge the battery; the second charging circuit, It is used to output the power input to the power input terminal to the battery to charge the battery.
优选地，所述第一充电电路包括还包括接收端，所述第二充电电路还包括反馈端，所述第一充电电路的接收端与所述第二充电电路的反馈端连接。Preferably, the first charging circuit further includes a receiving end, the second charging circuit further includes a feedback end, and the receiving end of the first charging circuit is connected to the feedback end of the second charging circuit.
优选地，所述第一充电电路包括第一充电芯片，所述第一充电芯片的输入脚为所述第一充电电路的输入端，所述第一充电芯片的输出脚为所述第一充电电路的输出端，所述第一充电芯片的接收脚为所述第一充电电路的接收端。Preferably, the first charging circuit includes a first charging chip, the input pin of the first charging chip is the input terminal of the first charging circuit, and the output pin of the first charging chip is the charging terminal of the first charging chip. The output end of the circuit, the receiving pin of the first charging chip is the receiving end of the first charging circuit.
优选地，所述第二充电电路包括第二充电芯片，所述第二充电芯片的输入脚为所述第二充电电路的输入端，所述第二充电芯片的输出脚为所述第二充电电路的输出端，所述第二充电芯片的反馈脚为所述第二充电电路的反馈端。Preferably, the second charging circuit includes a second charging chip, the input pin of the second charging chip is the input terminal of the second charging circuit, and the output pin of the second charging chip is the second charging pin. The output terminal of the circuit, the feedback pin of the second charging chip is the feedback terminal of the second charging circuit.
优选地，所述充电模块还包括第一电容及第二电容，所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连，所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连，所述第一电容的第二端及所述第二电容的第二端均接地。Preferably, the charging module further includes a first capacitor and a second capacitor, the first end of the first capacitor, the input end of the first charging circuit, and the input end of the second charging circuit are interconnected, so The first end of the second capacitor, the output end of the first charging circuit and the output end of the second charging circuit are interconnected, the second end of the first capacitor and the second end of the second capacitor Both are grounded.
本实用新型还提出一种电子设备，该电子设备包括如上所述的充电模块，在此，该充电模块包括电源输入端、第一充电电路、第二充电电路及电源输出端，所述电源输入端、所述第一充电电路的输入端及所述第二充电电路的输入端互连，所述第一充电电路的输出端、所述第二充电电路的输出端及所述电源输出端互连；其中，所述电源输入端，用于连接电源；所述电源输出端，用于连接待充电电池；所述第一充电电路，用于将输入至所述电源输入端的电源输出至所述电池，以为所述电池充电；所述第二充电电路，用于将输入至所述电源输入端的电源输出至所述电池，以为所述电池充电。The utility model also proposes an electronic device, which includes the charging module as described above. Here, the charging module includes a power input terminal, a first charging circuit, a second charging circuit and a power output terminal. The power input terminal, the input terminal of the first charging circuit and the input terminal of the second charging circuit are interconnected, the output terminal of the first charging circuit, the output terminal of the second charging circuit and the output terminal of the power supply are interconnected connected; wherein, the power input terminal is used to connect to a power supply; the power output terminal is used to connect to a battery to be charged; the first charging circuit is used to output the power input to the power supply input terminal to the A battery is used to charge the battery; the second charging circuit is used to output the power input to the power input terminal to the battery to charge the battery.
优选地，所述电子设备为电动牙刷。Preferably, the electronic device is an electric toothbrush.
本实用新型技术方案通过采用第一充电电路将输入至电源输入端的电源输出至电池，以为电池充电，第二充电电路将输入至电源输入端的电源电压输出至电池，以为电池充电，使得电池在充电过程中，具有两路充电电流，充电效率较高。The technical scheme of the utility model adopts the first charging circuit to output the power input to the power input end to the battery to charge the battery, and the second charging circuit outputs the power supply voltage input to the power input end to the battery to charge the battery, so that the battery is charging In the process, there are two charging currents, and the charging efficiency is high.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.
图1为本实用新型充电模块一实施例的功能模块示意图；Fig. 1 is a functional module schematic diagram of an embodiment of the charging module of the present invention;
图2为本实用新型充电模块另一实施例的电路结构示意图。FIG. 2 is a schematic diagram of the circuit structure of another embodiment of the charging module of the present invention.
本实用新型目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.
具体实施方式detailed description
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
需要说明，在本实用新型中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本实用新型要求的保护范围之内。It should be noted that the descriptions of “first” and “second” in the present application are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.
本实用新型提出一种充电模块。在该充电模块可设于充电器中，也可设于电子设备中，以为电子设备中的电池充电。The utility model provides a charging module. The charging module can be set in the charger or in the electronic equipment to charge the battery in the electronic equipment.
请参阅图1，一实施例中，上述充电模块包括电源输入端VBUS、第一充电电路10、第二充电电路20及电源输出端VBAT，电源输入端VBUS、第一充电电路10的输入端及第二充电电路20的输入端互连，第一充电电路10的输出端、第二充电电路20的输出端及电源输出端VBAT互连。Please refer to FIG. 1 , in one embodiment, the above-mentioned charging module includes a power input terminal VBUS, a first charging circuit 10, a second charging circuit 20 and a power output terminal VBAT, a power input terminal VBUS, an input terminal of the first charging circuit 10 and The input terminals of the second charging circuit 20 are interconnected, and the output terminals of the first charging circuit 10 , the output terminal of the second charging circuit 20 and the power supply output terminal VBAT are interconnected.
其中，电源输入端VBUS用于连接电源(图未示出)；电源输出端VBUS用于连接待充电电池(图未示出)；第一充电电路10，用于将输入至电源输入端VBUS的电源输出至电池，以为电池充电；第二充电电路20，用于将输入至电源输入端VBUS的电源输出至电池，以为电池充电。Wherein, the power input terminal VBUS is used to connect the power supply (not shown in the figure); the power supply output terminal VBUS is used to connect the battery to be charged (not shown in the figure); the first charging circuit 10 is used to input the The power is output to the battery to charge the battery; the second charging circuit 20 is used to output the power input to the power input terminal VBUS to the battery to charge the battery.
在此，由于第一充电电路10及第二充电电路20均可以独立为电池充电，因此，在电池充电过程中，具有两路充电电流，充电效率较高。Here, since both the first charging circuit 10 and the second charging circuit 20 can charge the battery independently, there are two charging currents during the charging process of the battery, and the charging efficiency is high.
可选的，第一充电电路10包括还包括接收端，第二充电电路20还包括反馈端，第一充电电路10的接收端与第二充电电路20的反馈端连接。Optionally, the first charging circuit 10 further includes a receiving end, the second charging circuit 20 further includes a feedback end, and the receiving end of the first charging circuit 10 is connected to the feedback end of the second charging circuit 20 .
具体地，当第二充电电路20处于充电状态时，可在其反馈端输出与处于充电状态对应的第一反馈信号至第一充电电路10，以告知第一充电电路10其正处于充电状态。当第二充电电路20未处于充电状态时，可在其反馈端输出与未处于充电状态对应的第二反馈信号至第一充电电路10，以告知第一充电电路10其已经充电完成，或者没有接收到电源输入。Specifically, when the second charging circuit 20 is in the charging state, its feedback terminal may output a first feedback signal corresponding to the charging state to the first charging circuit 10 to inform the first charging circuit 10 that it is in the charging state. When the second charging circuit 20 is not in the charging state, it can output a second feedback signal corresponding to not being in the charging state to the first charging circuit 10 at its feedback terminal, so as to inform the first charging circuit 10 that it has been charged, or not Power input received.
整个过程中，第一充电电路10可对电池进行电量检测，以判断第二充电电路20是否工作异常。当出现以下三种情况时，第一充电电路10可确定第二充电电路20工作正常：During the whole process, the first charging circuit 10 can detect the battery capacity to determine whether the second charging circuit 20 is working abnormally. When the following three situations occur, the first charging circuit 10 can determine that the second charging circuit 20 is working normally:
(1)电源输入端VBUS有外部电源输入，第一充电电路10检测到电池充满，且接收到第二充电电路20输出的第二反馈信号；(1) The power input terminal VBUS has an external power input, the first charging circuit 10 detects that the battery is fully charged, and receives the second feedback signal output by the second charging circuit 20;
(2)电源输入端VBUS有外部电源输入，第一充电电路10检测到电池未充满，且接收到第二充电电路20输出的第一反馈信号；(2) The power input terminal VBUS has an external power input, the first charging circuit 10 detects that the battery is not fully charged, and receives the first feedback signal output by the second charging circuit 20;
(3)电源输入端VBUS没有外部电源输入，第一充电电路10检测到电池未充满，且接收到第二充电电路20输出的第二反馈信号。(3) The power input terminal VBUS has no external power input, the first charging circuit 10 detects that the battery is not fully charged, and receives the second feedback signal output by the second charging circuit 20 .
如此，可以提高充电模块的可靠性。In this way, the reliability of the charging module can be improved.
在此，第一反馈信号可选为高电平信号，第二反馈信号可选为低电平信号。此外，第一充电电路10可根据检测落在电源输出端VBAT的电压计算电池电量，第二充电电路20可根据检测落在电源输出端VBAT的电压判断电池是否充电完成。Here, the first feedback signal may be a high-level signal, and the second feedback signal may be a low-level signal. In addition, the first charging circuit 10 can calculate the battery power according to the detected voltage at the output terminal VBAT of the power supply, and the second charging circuit 20 can determine whether the battery is fully charged according to the detected voltage at the output terminal VBAT of the power supply.
可选的，第一充电电路10包括第一充电芯片U1，第一充电芯片U1的输入脚VIN为第一充电电路10的输入端，第一充电芯片U1的输出脚VOUT为第一充电电路10的输出端，第一充电芯片U1的接收脚GPIO为第一充电电路10的接收端。较佳地，第一充电芯片U1的型号为DA14681。Optionally, the first charging circuit 10 includes a first charging chip U1, the input pin VIN of the first charging chip U1 is the input terminal of the first charging circuit 10, and the output pin VOUT of the first charging chip U1 is the input terminal of the first charging circuit 10. The receiving pin GPIO of the first charging chip U1 is the receiving end of the first charging circuit 10 . Preferably, the model of the first charging chip U1 is DA14681.
可选的，第二充电电路20包括第二充电芯片U2，第二充电芯片U2的输入脚VIN为第二充电电路20的输入端，第二充电芯片U2的输出脚VOUT为第二充电电路20的输出端，第二充电芯片U2的反馈脚CHG为第二充电电路20的反馈端。Optionally, the second charging circuit 20 includes a second charging chip U2, the input pin VIN of the second charging chip U2 is the input terminal of the second charging circuit 20, and the output pin VOUT of the second charging chip U2 is the input terminal of the second charging circuit 20. The output end of the second charging chip U2 is the feedback pin CHG of the second charging circuit 20 .
将充电电路集成于充电芯片中，可以减小充电模块的体积。Integrating the charging circuit into the charging chip can reduce the size of the charging module.
进一步地，充电模块还包括第一电容C1及第二电容C2，第一电容C1的第一端、第一充电电路10的输入端及第二充电电路20的输入端互连，第二电容C2的第一端、第一充电电路10的输出端及第二充电电路20的输出端互连，第一电容C1的第二端及第二电容C2的第二端均接地。Further, the charging module also includes a first capacitor C1 and a second capacitor C2, the first end of the first capacitor C1, the input end of the first charging circuit 10 and the input end of the second charging circuit 20 are interconnected, and the second capacitor C2 The first terminal of the first charging circuit 10 and the output terminal of the second charging circuit 20 are interconnected, and the second terminal of the first capacitor C1 and the second terminal of the second capacitor C2 are grounded.
在此，第一电容C1用于滤除输入至第一充电电路10及第二充电电路20的电压的杂波，第二电容C2用于滤除第一充电电路10及第二充电电路20输出的电压的杂波。增设第一电容C1和第二电容C2，可以提高充电模块的可靠性。Here, the first capacitor C1 is used to filter the clutter of the voltage input to the first charging circuit 10 and the second charging circuit 20, and the second capacitor C2 is used to filter the output voltage of the first charging circuit 10 and the second charging circuit 20. voltage clutter. Adding the first capacitor C1 and the second capacitor C2 can improve the reliability of the charging module.
值得一提的是，本充电模块中，第一充电电路10及第二充电电路20均包括接地端，且第一充电电路10及第二充电电路20的接地端均接地。其中，第一充电芯片U1的接地脚GND为第一充电电路10的接地端，第二充电芯片U2的接地脚GND为第二充电芯片U2的接地端。It is worth mentioning that, in the charging module, both the first charging circuit 10 and the second charging circuit 20 include ground terminals, and the ground terminals of the first charging circuit 10 and the second charging circuit 20 are both grounded. Wherein, the ground pin GND of the first charging chip U1 is the ground terminal of the first charging circuit 10 , and the ground pin GND of the second charging chip U2 is the ground terminal of the second charging chip U2 .
以下，结合图1和图2，说明本充电模块的工作原理：The working principle of this charging module is described below in combination with Figure 1 and Figure 2:
当电源输入端VBUS有外部电源输入时，第一充电电路10及第二充电电路20均将该外部电源输入至电池，以为电池充电。与此同时，第二充电电路20向第一充电电路10输出第一反馈信号，以告知第一充电电路10其正处于充电状态。When the power input terminal VBUS has an external power input, both the first charging circuit 10 and the second charging circuit 20 input the external power to the battery to charge the battery. At the same time, the second charging circuit 20 outputs a first feedback signal to the first charging circuit 10 to inform the first charging circuit 10 that it is in a charging state.
当电池充满时，第二充电电路20向第一充电电路10输出第一反馈信号，以告知其未处于充电状态。When the battery is fully charged, the second charging circuit 20 outputs a first feedback signal to the first charging circuit 10 to inform it that it is not in the charging state.
当输入至电源输入端VBUS的外部电源断电时，第二充电电路20向第一充电电路10输出第二反馈信号，以告知其未处于充电状态。When the external power input to the power input terminal VBUS is powered off, the second charging circuit 20 outputs a second feedback signal to the first charging circuit 10 to inform it that it is not in the charging state.
整个过程中，第一充电电路10均可以对电池电量进行检测，以确认电池是否充满，并判断第二充电电路20是否工作异常。During the whole process, the first charging circuit 10 can detect the battery power to confirm whether the battery is fully charged, and determine whether the second charging circuit 20 is working abnormally.
本实用新型还提出一种电子设备，该电子设备包括如上的充电模块，该充电模块的具体结构参照上述实施例，由于本电子设备采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。其中，该电子设备可以是手机，平板电脑，电动牙刷，等等，此处不做限制。The utility model also proposes an electronic device, which includes the above charging module. The specific structure of the charging module refers to the above-mentioned embodiments. Since the electronic device adopts all the technical solutions of all the above-mentioned embodiments, it has at least the above-mentioned implementation. All the beneficial effects brought by the technical solution of the example are not repeated here. Wherein, the electronic device may be a mobile phone, a tablet computer, an electric toothbrush, etc., which are not limited here.
以上所述仅为本实用新型的优选实施例，并非因此限制本实用新型的专利范围，凡是在本实用新型的发明构思下，利用本实用新型说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本实用新型的专利保护范围内。The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Under the inventive concept of the utility model, the equivalent structural transformation made by using the specification of the utility model and the contents of the accompanying drawings, or Direct/indirect application in other related technical fields is included in the patent protection scope of the present utility model.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720415971.1UCN206850465U (en) | 2017-04-19 | 2017-04-19 | Charging module and electronic equipment |
| PCT/CN2017/091887WO2018192097A1 (en) | 2017-04-19 | 2017-07-05 | Charging module and electronic device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720415971.1UCN206850465U (en) | 2017-04-19 | 2017-04-19 | Charging module and electronic equipment |
| Publication Number | Publication Date |
|---|---|
| CN206850465Utrue CN206850465U (en) | 2018-01-05 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720415971.1UActiveCN206850465U (en) | 2017-04-19 | 2017-04-19 | Charging module and electronic equipment |
| Country | Link |
|---|---|
| CN (1) | CN206850465U (en) |
| WO (1) | WO2018192097A1 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966839U (en)* | 2011-04-07 | 2011-09-07 | 湖北昊天低碳科技有限公司 | Novel tracking system for solar photovoltaic maximum power point |
| CN102122903B (en)* | 2011-04-07 | 2013-02-20 | 湖北昊天低碳科技有限公司 | Novel solar photovoltaic peak-power point tracking system |
| CN103036261B (en)* | 2011-10-08 | 2015-02-11 | 科沃斯机器人有限公司 | Charging device and charging method |
| CN204578425U (en)* | 2015-05-05 | 2015-08-19 | 无锡联动太阳能科技有限公司 | Novel solar power system |
| CN105576797A (en)* | 2015-12-14 | 2016-05-11 | 广东瑞德智能科技股份有限公司 | Improved solar charging circuit with mppt controller structure |
| CN105896670A (en)* | 2016-05-25 | 2016-08-24 | 乐视控股（北京）有限公司 | Charging device and mobile terminal |
| Publication number | Publication date |
|---|---|
| WO2018192097A1 (en) | 2018-10-25 |
| Publication | Publication Date | Title |
|---|---|---|
| US10250059B2 (en) | Charging circuit for battery-powered device | |
| CN205610274U (en) | Short -circuit protection circuit and electronic equipment charge | |
| CN103365817B (en) | A kind of general-purpose serial bus USB circuit and terminal | |
| US9728988B2 (en) | Charging circuit for USB port | |
| US20150188344A1 (en) | Charging and discharging control system and method for battery | |
| CN204538754U (en) | High integrated multifunction portable power source | |
| CN204680875U (en) | Quick charge data wire | |
| CN206878506U (en) | A data cable and an adapter | |
| CN206850465U (en) | Charging module and electronic equipment | |
| CN204904053U (en) | Automatic load option function module | |
| CN116111693A (en) | Charging control circuit and method of active capacitive pen and active capacitive pen | |
| CN206759084U (en) | A kind of output circuit of portable power source | |
| CN117118006A (en) | Electronic device, charging circuit, charging control method and chip | |
| CN211374928U (en) | Load detection circuit and electronic device | |
| CN106300466A (en) | Method, device and the terminal of a kind of OTG quick charge | |
| CN202373825U (en) | Charging connection device | |
| CN202815130U (en) | Three-point short circuit testing system for aluminium electrolytic capacitor | |
| CN206481065U (en) | A kind of charge and discharge device and mobile terminal | |
| CN102570214B (en) | Charging and discharging bidirectional support and joint replaceable Micro USB interface component | |
| CN219227245U (en) | Charging current calibration circuit for medical charger | |
| CN105471047B (en) | A kind of QC2.0 protocol circuit for mobile power source electric discharge | |
| CN206211606U (en) | a fast charger | |
| CN201868922U (en) | USB (universal serial bus) charging circuit | |
| CN210404765U (en) | Lithium battery protection circuit | |
| CN211720282U (en) | Charging control circuit and electronic equipment |
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |