技术领域technical field
本实用新型涉及USB接口转接技术领域，尤其涉及一种利用USB接口进行充电的快充转接头及使用该快充转接头的快充线缆结构。The utility model relates to the technical field of USB interface switching, in particular to a fast-charging adapter for charging through a USB interface and a fast-charging cable structure using the fast-charging adapter.
背景技术Background technique
目前，大多数电子设备都采用USB端口作为数据和充电端口，随着USB接口技术的更新换代，由当初的USB1.0、2.0、3.0发展到代表最先进的USB3.1，USB3.1采用Type-C接口标准。At present, most electronic devices use USB ports as data and charging ports. With the upgrading of USB interface technology, it has developed from the original USB1.0, 2.0, and 3.0 to represent the most advanced USB3.1, and USB3.1 uses Type -C interface standard.
快速充电已经在手机等终端设备上普及，但是使用Type-C接口的快充方式与现有的快充方式有所不同。高通公司最早所提倡的Quick Charge 2.0(简称QC2.0)、QuickCharge 3.0(简称QC3.0)和后来USB协会所提倡的USB3.1PD(简称PD)快充协议被广泛运用到各种手机、平板和笔记本电脑等数码终端产品和充电器、车充、移动电源等电源。QC快充协议(QC2.0、QC3.0)电源输出接口大多数是使用USB2.0Standard-A，且通过D-和D+传输协议，而PD快充协议则是通过USB3.1Type-C接口的CC引脚传输。因此除了两种快充所使用输出口不尽相同之外，两者的控制方法及通讯协议皆不相同，但由高通公司较早推出QC，目前在市场上有较多的USB充电器、车充、移动电源等充电电源具有此快充功能，但是由于USBType-C接口支持正反双面插入，数据传输速度和充电速度显着提升的特点，被越来越多的手机和平板所应用。因此后来USB协会所提倡的USB3.1PD(简称PD)快充协议逐渐被广泛运用.因此如何把现有的USB充电器用于对具有新的接口标准(Type-C)的电子设备充电成为市场的需求。Fast charging has been popularized on terminal devices such as mobile phones, but the fast charging method using the Type-C interface is different from the existing fast charging method. The Quick Charge 2.0 (referred to as QC2.0) and Quick Charge 3.0 (referred to as QC3.0) first advocated by Qualcomm, and the USB3.1PD (referred to as PD) fast charging protocol advocated by the USB Association are widely used in various mobile phones and tablets. Digital terminal products such as notebook computers and power supplies such as chargers, car chargers, and mobile power supplies. Most of the QC fast charging protocol (QC2.0, QC3.0) power output interface uses USB2.0Standard-A, and through the D- and D+ transmission protocols, while the PD fast charging protocol is through the USB3.1Type-C interface CC pin transfer. Therefore, in addition to the different output ports used by the two types of fast charging, the control methods and communication protocols of the two are also different. However, Qualcomm launched QC earlier. At present, there are more USB chargers, car Charging power sources such as chargers and mobile power supplies have this fast charging function, but because the USB Type-C interface supports double-sided insertion, the data transmission speed and charging speed are significantly improved, and are being used by more and more mobile phones and tablets. Therefore, the USB3.1PD (PD for short) fast charging protocol advocated by the USB Association was gradually widely used. Therefore, how to use the existing USB charger to charge electronic devices with a new interface standard (Type-C) has become a market challenge. need.
实用新型内容Utility model content
本实用新型的目的是提供一种快充转接头，该快充转接头能把与待充电终端设备快充标准不同的充电电源用于对待充电终端设备充电，以解决现有的快充电源不能对与之快充协议和接口标准不同的电子设备充电的问题。The purpose of this utility model is to provide a fast charging adapter, which can use a charging power source different from the fast charging standard of the terminal equipment to be charged to charge the terminal equipment to be charged, so as to solve the problem that the existing fast charging source cannot The problem of charging electronic devices with different fast charging protocols and interface standards.
本实用新型的另一目的是提供一种快充线缆结构，该快充线缆结构能支持多种USB数据端口的快充功能，以解决现有的USB充电线缆只能与单一的USB接口匹配使用，从而造成资源浪费、使用不便的问题。Another purpose of the present utility model is to provide a fast charging cable structure, which can support the fast charging function of multiple USB data ports, so as to solve the problem that the existing USB charging cable can only be used with a single USB Interfaces are matched and used, resulting in resource waste and inconvenient use.
为了实现上述目的，本实用新型公开了一种快充转接头，包括一USB接口公头、一USB接口母座以及协议转换控制器，所述USB接口公头与所述USB接口母座的接口标准不同，所述USB接口公头的电源脚与所述USB接口母座的电源脚电性连接；所述协议转换控制器分别与所述USB接口公头和所述USB接口母座电性连接，用于对电性连接的所述USB接口公头与所述USB接口母座的协议进行协议匹配转换。In order to achieve the above object, the utility model discloses a fast charging adapter, including a male USB interface, a female USB interface and a protocol conversion controller, the interface between the male USB interface and the female USB interface Different standards, the power pin of the male USB interface is electrically connected to the power pin of the female USB interface; the protocol conversion controller is electrically connected to the male USB interface and the female USB interface respectively , for performing protocol matching conversion on the protocols of the electrically connected USB interface male head and the USB interface female socket.
与现有技术相比，本实用新型快充转接头的USB接口公头可与充电电源连接，USB接口母座可通过公头对公头数据线与待充电终端设备连接，协议转换控制器把USB接口公头端的快充协议转换成USB接口母座端可识别的快充协议，从而实现两种不同接口标准的USB快充的转换和衔接，利用该快充转接头，使用现有的充电电源即可对具有新的接口标准的待充电终端设备进行充电，使用方便，节约资源。Compared with the prior art, the male head of the USB interface of the utility model fast charging adapter can be connected with the charging power supply, the female seat of the USB interface can be connected with the terminal equipment to be charged through the male-to-male data line, and the protocol conversion controller The fast charging protocol at the male end of the USB interface is converted into the recognizable fast charging protocol at the female end of the USB interface, so as to realize the conversion and connection of USB fast charging with two different interface standards. Using this fast charging adapter, use the existing charging The power supply can charge the terminal equipment to be charged with a new interface standard, which is convenient to use and saves resources.
较佳地，本实用新型快速充电快充转接头还包括一充电电压选择模块，所述充电电压选择模块受协议转换控制器的控制，向待充电终端设备输出与之匹配的充电电压，从而智能输出待充电终端设备所支持的充电电压。Preferably, the fast charging fast charging adapter of the utility model also includes a charging voltage selection module, the charging voltage selection module is controlled by the protocol conversion controller, and outputs a matching charging voltage to the terminal device to be charged, thereby intelligently Output the charging voltage supported by the terminal device to be charged.
较佳地，所述充电电压选择模块包括一PMOS管，所述PMOS管源极和漏极连接在所述USB接口公头和USB接口母座的电源脚之间，所述PMOS管栅极通过第一分压电阻与所述协议转换控制器连接、并通过第二分压电阻与所述接USB口公头的电源脚连接。Preferably, the charging voltage selection module includes a PMOS transistor, the source and drain of the PMOS transistor are connected between the male head of the USB interface and the power pin of the female socket of the USB interface, and the gate of the PMOS transistor is passed through The first voltage-dividing resistor is connected to the protocol conversion controller, and is connected to the power supply pin connected to the male head of the USB port through the second voltage-dividing resistor.
较佳地，本实用新型快速充电快充转接头还包括一与所述PMOS管漏极连接并受所述协议转换控制器控制的状态指示器，所述状态指示器用于显示当前所述快充转接头的充电状态；根据状态指示器可只管地观察出当前处于快速充电状态或者正常充电状态。Preferably, the fast charging fast charging adapter of the utility model also includes a status indicator connected to the drain of the PMOS tube and controlled by the protocol conversion controller, the status indicator is used to display the current status of the fast charging The charging status of the adapter; according to the status indicator, it can be easily observed that it is currently in the fast charging state or the normal charging state.
较佳地，所述状态指示器为发光二极管。Preferably, the status indicator is a light emitting diode.
较佳地，所述协议转换控制器可对QC2.0或QC3.0与PD快充协议之间进行协议转换。Preferably, the protocol conversion controller can perform protocol conversion between QC2.0 or QC3.0 and PD fast charging protocol.
较佳地，所述USB接口公头的接口标准为Type-A或Lightning，所述USB接口母座的接口标准为Type-C。Preferably, the interface standard of the male USB interface is Type-A or Lightning, and the interface standard of the female USB interface is Type-C.
本实用新型还公开了一种快充线缆结构，包括一USB公头转公头线缆，至少于所述线缆的一端设置有可与所述线缆对应端电性插接的快充转接头，其中快充转接头如上所述，所述线缆的USB公头可插入所述快充转接头的的USB接口母座中。The utility model also discloses a fast charging cable structure, which includes a USB male-to-male cable, and at least one end of the cable is provided with a fast charging cable that can be electrically plugged into the corresponding end of the cable. An adapter, wherein the fast charging adapter is as described above, and the USB male head of the cable can be inserted into the USB interface socket of the fast charging adapter.
与现有技术相比，本实用新型快充线缆结构包含有本实用新型所公开的快充转接头，使用该快充线缆结构可利用现有的充电电源对与现有充电电源快充协议和接口标准不同的待充电终端设备充电，使用时只需把快充转接头的USB接口母座与线缆的USB公头对接，使用方便，节约线缆资源。Compared with the prior art, the fast charging cable structure of the utility model includes the fast charging adapter disclosed in the utility model, and the fast charging cable structure can use the existing charging power supply to quickly charge the existing charging power supply. To charge terminal devices to be charged with different protocols and interface standards, you only need to connect the USB interface socket of the fast charging adapter with the USB male head of the cable when using it, which is convenient to use and saves cable resources.
较佳地，于所述线缆的两端均设有与所述线缆对应端插接连接的快充转接头，位于所述线缆一端的所述快充转接头的USB接口公头用于与外界提供电源的充电电源电性插接，位于所述线缆另一端的所述快充转接头的USB接口公头用于与待充电终端设备插接。Preferably, both ends of the cable are provided with fast charging adapters that are plugged and connected to the corresponding ends of the cable, and the USB interface male head of the fast charging adapter located at one end of the cable is used The USB interface male head of the fast charging adapter located at the other end of the cable is used for plugging with the terminal device to be charged.
较佳地，本实用新型快充线缆结构还包括连接件，所述连接件呈柔性结构，所述连接件的一端与所述快充转接头连接，所述连接件的另一端与所述线缆连接。Preferably, the fast charging cable structure of the present invention also includes a connector, the connector is a flexible structure, one end of the connector is connected to the fast charging adapter, and the other end of the connector is connected to the cable connection.
附图说明Description of drawings
图1是本实用新型快充快充线缆结构实施例2的结构示意图。Fig. 1 is a structural schematic diagram of Embodiment 2 of the fast-charging fast-charging cable structure of the present invention.
图2是本实用新型快充快充线缆结构实施例1的结构示意图。Fig. 2 is a structural schematic diagram of Embodiment 1 of the fast-charging fast-charging cable structure of the present invention.
图3本实用新型快充快充线缆结构实施例2的另一变形结构示意图。Fig. 3 is a schematic diagram of another deformation structure of Embodiment 2 of the fast-charging fast-charging cable structure of the utility model.
图4是本实用新型快充转接头的立体结构示意图。Fig. 4 is a schematic diagram of the three-dimensional structure of the fast charging adapter of the present invention.
图5是本实用新型快充转接头的分解状态结构示意图。Fig. 5 is a schematic structural diagram of a disassembled state of the fast charging adapter of the present invention.
图6是本实用新型快快充线缆结构中快充转接头中的协议转换控制器的电路原理图。Fig. 6 is a schematic circuit diagram of the protocol conversion controller in the fast charging adapter in the fast charging cable structure of the present invention.
具体实施方式Detailed ways
为详细说明本实用新型的技术内容、结构特征、实现原理及所实现目的及效果，以下结合实施方式并配合附图详予说明。In order to describe the technical content, structural features, realization principle, purpose and effect of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.
如图1至图5所示，本实用新型公开了的快充线缆结构100，包括一具有USB公头转公头结构的线缆10及至少于所述线缆10的一端设置的可与所述线缆10对应端电性插接的快充转接头20，该快充转接头20包括一USB接口公头201、一USB接口母座202以及协议转换控制器203，USB接口公头201与USB接口母座202的接口标准不同，USB接口公头201的电源脚与USB接口母座202的电源脚电性连接；协议转换控制器203分别与USB接口公头201和USB接口母座202电性连接，用于对电性连接的USB接口公头201与USB接口母座202的协议进行协议匹配转换。当仅于线缆10的一端设置快充转接头20时，如图2所示，线缆10的与该快充转接头20相邻的USB公头30插入快充转接头20的USB接口母座202中，快充转接头20的USB接口公头201与外界提供电源的充电电源电性连接，线缆10另一端的USB公头30与待充电终端设备电性插接；当于线缆10的两端USB公头处30处均设置有快充转接头20时，如图1所示，线缆10的两个USB公头30分别插入两个对应端的快充转接头20的USB接口母座202中，其中一个快充转接头20的USB接口公头201与充电电源插接，另一个快充转接头20的USB接口公头201与待充电终端设备电性插接。As shown in Figures 1 to 5, the utility model discloses a fast charging cable structure 100, including a cable 10 with a USB male-to-male structure and at least one end of the cable 10 that can be connected with The corresponding end of the cable 10 is electrically plugged with a fast charging adapter 20, the fast charging adapter 20 includes a USB interface male 201, a USB interface female 202 and a protocol conversion controller 203, the USB interface male 201 Different from the interface standard of the USB interface socket 202, the power supply pin of the USB interface socket 201 is electrically connected to the power supply pin of the USB interface socket 202; the protocol conversion controller 203 is connected to the USB interface socket 201 and the USB interface socket 202 The electrical connection is used for performing protocol matching conversion on the protocols of the electrically connected USB interface male head 201 and the USB interface female socket 202 . When only one end of the cable 10 is provided with the fast charging adapter 20, as shown in FIG. In the seat 202, the USB interface male head 201 of the fast charging adapter 20 is electrically connected to the charging power supply provided by the outside world, and the USB male head 30 at the other end of the cable 10 is electrically plugged into the terminal device to be charged; When fast charging adapters 20 are provided at 30 of both ends of the USB connectors of the cable 10, as shown in FIG. In the female socket 202, the male USB interface 201 of one of the fast charging adapters 20 is plugged with the charging power source, and the male USB interface 201 of the other fast charging adapter 20 is electrically plugged with the terminal device to be charged.
需要说明的是，本实用新型快充线缆结构100实施例中的充电电源可为电源适配器或便携式电源等可提供快充端口的电子装置。It should be noted that the charging power source in the embodiment of the fast charging cable structure 100 of the present invention can be an electronic device that can provide a fast charging port such as a power adapter or a portable power supply.
关于本实用新型快充线缆结构100的具体使用方式详见下文：See the following for details about the specific usage of the fast charging cable structure 100 of the present invention:
实施例1请参阅图2，仅于线缆10的一端设置快充转接头20，该快充转接头20的USB接口公头201为Type-A接口标准，USB接口母座202的接口标准为Type-C，线缆10为Type-C公头转公头结构，采用上述结构的快充线缆结构100，利用现有的支持QC快充协议的充电电源(USB电源适配器)给具有Type-C充电端口、支持PD充电协议的待充电终端设备(手机)充电。在本实施例中,由于USB电源适配器的充电端口的接口标准为Type-A，所以快充转接头20上的USB接口公头201的接口标准为Type-A，与USB电源适配器的端口匹配，由于手机的充电端口的接口标准为Type-C，那么采用Type-C标准的USB公头转公头线缆10，即线缆10为一Type-C公头转Type-C公头线缆，相应的快充转接头20上的USB接口母座202的接口标准也为Type-C，充电时，USB接口公头201插入USB电源适配器的充电端口内，线缆10的一端插入快充转接头20的USB接口母座202内，将线缆10的另一端插入手机的充电端口内，从而藉由快充转接头20完成了使用现有的支持QC充电协议的USB电源适配器给新一代的支持PD快充协议且具备Type-C充电端口的手机充电的目的，使用方便，节约资源。Embodiment 1 Please refer to FIG. 2 . Only one end of the cable 10 is provided with a fast charging adapter 20 . The USB interface male 201 of the fast charging adapter 20 is a Type-A interface standard, and the interface standard of the USB interface female seat 202 is Type-C, the cable 10 is a Type-C male-to-male structure, using the fast charging cable structure 100 of the above structure, using the existing charging power supply (USB power adapter) that supports the QC fast charging protocol to provide Type-C C charging port, charging terminal equipment (mobile phone) to be charged that supports PD charging protocol. In this embodiment, since the interface standard of the charging port of the USB power adapter is Type-A, the interface standard of the USB interface male head 201 on the fast charging adapter 20 is Type-A, which matches the port of the USB power adapter. Since the interface standard of the charging port of the mobile phone is Type-C, a USB male-to-male cable 10 of the Type-C standard is adopted, that is, the cable 10 is a Type-C male-to-Type-C male cable, The interface standard of the USB interface socket 202 on the corresponding fast charging adapter 20 is also Type-C. When charging, the USB interface male 201 is inserted into the charging port of the USB power adapter, and one end of the cable 10 is inserted into the fast charging adapter. 20, insert the other end of the cable 10 into the charging port of the mobile phone, and use the existing USB power adapter that supports the QC charging protocol to support the new generation through the fast charging adapter 20. The purpose of charging mobile phones with PD fast charging protocol and Type-C charging port is easy to use and saves resources.
实施例2，请参阅图1，于线缆10的两端USB公头30处均设置有快充转接头20。在该实施例中，利用本实用新型的快充线缆结构100，用现有的支持QC快充协议的充电电源(USB电源适配器)既能给具有Lightning充电端口的待充电终端设备(手机)充电，还能够给具有Type-C充电端口的待充电终端设备(手机)充电。在该实施例中，其中一个快充转接头20的USB接口公头201为Type-A标准，另一个快充转接头20的USB接口公头201的接口标准为Lightning，该两个快充转接头20的接口母座均为Type-C标准，线缆10为Type-C公头转Type-C公头结构。当给具有Lightning接口标准的手机充电时，线缆10两端的USB公头30分别与两个快充转接头20的接口母座202插接，具有Type-A标准的快充转接20的USB接口公头201与充电电源插接，具有Lightning接口标准的快充转接头20的USB接口公头201与手机的充电端口插接，从而藉由快充转接头20完成了使用现有的支持QC充电协议的USB电源适配器给新一代的具有Lightning充电端口的手机充电的目的。当给具有Type-C接口标准的手机充电时，只需把线缆10的一端插入具有Type-A标准的快充转接头20的USB接口母座202内，线缆10的另一端插入手机中，也即相当于实施例1中的快充线缆结构100。另外，利用本实施例的快充线缆结构，还可使用现有的支持QC快充协议的、非Type-A充电接口标准的充电电源对支持新的快充协议的待充电终端设备充电，如图3所示，例如充电电源的充电接口为Type-C标准，待充电终端设备的充电接口标准为Lightning，那么使用时，把线缆10的一个具有Type-C标准的USB公头30插入该充电电源中，线缆10的另一个USB公头30插入具有Lightning接口标准的快充转接头20的USB接口母座202中，该快充转接头20的USB接口公头201插入待充电的终端设备的充电端口内。从而藉由本实施例的快充线缆结构100，完成了使用现有的支持QC充电协议的USB电源适配器给新一代的支持PD快充协议且具备Lightning充电端口或Type-C充电端口的的待充电终端设备充电的目的，只需使用一个具有上述结构的快充线缆结构100，即可给现有的具有不同接口标准的终端设备充电，使用方便，节约资源。Embodiment 2, please refer to FIG. 1 , the USB male connectors 30 at both ends of the cable 10 are provided with fast charging adapters 20 . In this embodiment, using the fast charging cable structure 100 of the present utility model, the existing charging power supply (USB power adapter) supporting the QC fast charging protocol can be used to charge the terminal equipment (mobile phone) to be charged with the Lightning charging port. Charging can also charge terminal devices (mobile phones) to be charged with Type-C charging ports. In this embodiment, the USB interface male 201 of one of the fast charging adapters 20 is Type-A standard, and the interface standard of the USB interface male 201 of the other fast charging adapter 20 is Lightning. The interface sockets of the connector 20 are Type-C standard, and the cable 10 is a Type-C male to Type-C male structure. When charging a mobile phone with the Lightning interface standard, the USB male plugs 30 at both ends of the cable 10 are respectively plugged into the interface sockets 202 of the two fast charge adapters 20, and the USB ports of the fast charge adapter 20 with the Type-A standard The interface male head 201 is plugged with the charging power supply, and the USB interface male head 201 of the fast charging adapter 20 with the Lightning interface standard is plugged with the charging port of the mobile phone, thereby completing the use of the existing QC support through the fast charging adapter 20 The USB power adapter of the charging protocol is used to charge the new generation of mobile phones with Lightning charging ports. When charging a mobile phone with the Type-C interface standard, you only need to insert one end of the cable 10 into the USB interface socket 202 of the fast charging adapter 20 with the Type-A standard, and insert the other end of the cable 10 into the mobile phone , which is equivalent to the fast charging cable structure 100 in Embodiment 1. In addition, using the fast charging cable structure of this embodiment, the existing charging power supply supporting the QC fast charging protocol and non-Type-A charging interface standard can also be used to charge the terminal equipment to be charged that supports the new fast charging protocol, As shown in Figure 3, for example, the charging interface of the charging power supply is Type-C standard, and the charging interface standard of the terminal device to be charged is Lightning, then when using, insert a USB male head 30 with the Type-C standard of the cable 10 into the In the charging power supply, the other USB male head 30 of the cable 10 is inserted into the USB interface socket 202 of the fast charge adapter 20 having the Lightning interface standard, and the USB interface male head 201 of the fast charge adapter 20 is inserted into the battery to be charged. into the charging port of the terminal device. Thus, with the fast charging cable structure 100 of this embodiment, the use of the existing USB power adapter supporting the QC charging protocol to a new generation of USB power adapters supporting the PD fast charging protocol and having a Lightning charging port or a Type-C charging port is completed. The purpose of charging terminal equipment is to use only one fast charging cable structure 100 with the above structure to charge existing terminal equipment with different interface standards, which is convenient to use and saves resources.
上述以待充电终端的充电端口标准分别为Type-C和Lightning、充电电源的快充协议为QC加以说明，但是值得注意的是，本实用新型并不对待充电终端的充电端口标准和充电电源的快充协议的类型加以限制，当待充电终端的充电端口和充电电源的快充协议的类型与上述实施例中不同时，只需根据上述原理作相应变通即可，例如充电电源的快充协议也可为PD，待充电终端的充电端口为支持QC充电协议的micro-usb标准。The above-mentioned explanation is that the charging port standards of the terminal to be charged are Type-C and Lightning, and the fast charging protocol of the charging power source is QC. The type of fast charging protocol is limited. When the charging port of the terminal to be charged and the type of fast charging protocol of the charging power source are different from those in the above embodiment, it is only necessary to make corresponding modifications according to the above principles, such as the fast charging protocol of the charging power source It can also be a PD, and the charging port of the terminal to be charged is a micro-usb standard that supports the QC charging protocol.
另外，现在市场上的电子设备，如手机、平板等，虽然大多都支持快充，但是不同的电子设备支持不同的快充电压，例如现在主流的两种快充电压有9V和12V，因此为了适应不同快充电压的电子设备，在本实用新型另一实施例中，快充转接头20还包括一充电电压选择模块50，如图6所示，充电电压选择模块70受协议转换控制器203的控制，向待充电终端设备输出与之匹配的快充电压。使用时，充电电压选择模块50在协议转换控制器203的控制下向USB接口母座202输出待充电终端设备所支持的快充电压。当待充电终端设备不支持快充模式时，充电电压选择模块50在协议转换控制器203的控制下向待充电终端设备输出5V的正常充电电压。In addition, although most of the electronic devices on the market, such as mobile phones and tablets, support fast charging, different electronic devices support different fast charging voltages. For example, the two mainstream fast charging voltages are 9V and 12V. Adapt to electronic equipment with different fast charging voltages. In another embodiment of the present invention, the fast charging adapter 20 also includes a charging voltage selection module 50. As shown in FIG. 6, the charging voltage selection module 70 is controlled by the protocol conversion controller 203 control, and output matching fast charging voltage to the terminal equipment to be charged. When in use, the charging voltage selection module 50 outputs the fast charging voltage supported by the terminal device to be charged to the USB socket 202 under the control of the protocol conversion controller 203 . When the terminal device to be charged does not support the fast charging mode, the charging voltage selection module 50 outputs a normal charging voltage of 5V to the terminal device to be charged under the control of the protocol conversion controller 203 .
具体地，充电电压选择模块50包括一设置在USB接口公头201和USB接口母座202之间的PMOS管501，PMOS管501的源极和漏极连接在与USB接口公头201和USB接口母座202的电源脚之间，PMOS管501栅极通过第一分压电阻R1与协议转换控制器203连接，并通过第二分压电阻R2与USB接口公头201的电源脚连接，PMOS管501栅极受协议转换控制器203的控制。当USB接口母座202与待充电终端设备连通时，协议转换控制器203控制USB接口公头201向USB接口母座202输出快充电压(9V或12V)。协议转换控制器203与待充电终端设备沟通后，当判断支持9V快充电压时，协议转换控制器203发出QC9V快充命令给USB接口公头201的数据引脚,支持QC协议的充电电源的数据引脚接收到9V快充命令后将电源输出电压调整至9V，此时就以9V快充电压给待充电终端设备充电；当待充电终端设备支持12V快充时，协议转换控制器203发出QC12V快充命令给USB接口公头201的数据引脚,支持QC协议的充电电源的数据引脚接收到12V快充命令后将电源输出电压调整至12V，此时就以12V的快充电压给待充电终端设备充电。Specifically, the charging voltage selection module 50 includes a PMOS transistor 501 arranged between the USB interface male head 201 and the USB interface socket 202. The source and drain of the PMOS transistor 501 are connected to the USB interface male head 201 and the USB interface. Between the power supply pins of the female socket 202, the gate of the PMOS transistor 501 is connected to the protocol conversion controller 203 through the first voltage dividing resistor R1, and connected to the power supply pin of the USB interface male 201 through the second voltage dividing resistor R2. 501 gate is controlled by the protocol conversion controller 203 . When the USB interface base 202 is connected to the terminal device to be charged, the protocol conversion controller 203 controls the USB interface male 201 to output the fast charging voltage (9V or 12V) to the USB interface base 202 . After the protocol conversion controller 203 communicates with the terminal device to be charged, when it is judged that the 9V fast charging voltage is supported, the protocol conversion controller 203 sends a QC9V fast charging command to the data pin of the USB interface male 201, and the charging power supply that supports the QC protocol After the data pin receives the 9V fast charging command, the output voltage of the power supply is adjusted to 9V, and at this time, the terminal device to be charged is charged with the 9V fast charging voltage; when the terminal device to be charged supports 12V fast charging, the protocol conversion controller 203 sends out The QC12V fast charging command is sent to the data pin of the male head 201 of the USB interface. The data pin of the charging power supply that supports the QC protocol receives the 12V fast charging command and adjusts the output voltage of the power supply to 12V. The charging terminal device is to be charged.
为了方便观察待充电终端设备是处于快充状态还是正常充电状态，本实用新型快充线缆结构100的快充转接头20还包括一与PMOS管501漏极连接并受协议转换控制器203控制的状态指示器60，状态指示器60用于显示当前待充电终端设备的充电状态，在本实施例中，状态指示器60为发光二极管，当充电终端设备处于快速充电状态时，协议转换控制器203控制光二极管发光，显示快充。In order to conveniently observe whether the terminal equipment to be charged is in the fast charging state or the normal charging state, the fast charging adapter 20 of the fast charging cable structure 100 of the present utility model also includes a device connected to the drain of the PMOS tube 501 and controlled by the protocol conversion controller 203 The status indicator 60, the status indicator 60 is used to display the charging state of the current terminal device to be charged, in this embodiment, the status indicator 60 is a light-emitting diode, when the charging terminal device is in the fast charging state, the protocol conversion controller 203 controls the photodiode to emit light to display fast charging.
为了方便使用，本实用新型快充线缆结构100中的快充转接头20通过柔性连接件40与线缆10固定连接，快充转接头20的USB接口母座202可与线缆上对应端的USB公头30插接。柔性连接体40可采用橡胶制成的细绳，一端与快充转接头20的外壁固定连接，另一端固定在线缆10上，这样快充转接头20与线缆10连为一体，不易丢失，使用方便。For the convenience of use, the fast charging adapter 20 in the fast charging cable structure 100 of the present invention is fixedly connected to the cable 10 through the flexible connector 40, and the USB interface socket 202 of the fast charging adapter 20 can be connected to the corresponding end of the cable. The USB male head 30 is plugged in. The flexible connector 40 can be a string made of rubber, one end of which is fixedly connected to the outer wall of the fast charging adapter 20, and the other end is fixed on the cable 10, so that the fast charging adapter 20 and the cable 10 are connected as a whole and are not easy to lose , easy to use.
以上所揭露的仅为本实用新型的较佳实例而已，当然不能以此来限定本实用新型之权利范围，因此依本实用新型申请专利范围所作的等同变化，仍属于本实用新型所涵盖的范围。What is disclosed above is only a preferred example of the utility model, and of course the scope of rights of the utility model cannot be limited with this. Therefore, equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .
| Application Number | Priority Date | Filing Date | Title |
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| CN201720854341.4UCN207116873U (en) | 2017-07-13 | 2017-07-13 | Fast charge adapter and fast charge cable structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | Granted publication date:20180316 |