CN111817383B - Adapter, charger and charging equipment - Google Patents

Abstract

The present application discloses an adapter, a charger and a charging device, which belong to the technical field of communication. Among them, the adapter includes: Type-C female socket, Type-C male socket and wireless transmission module; CC pins, VBUS pins and GND pins in Type-C female socket and Type-C male socket are connected in one-to-one correspondence ; wherein, the wireless transmission module establishes a wireless connection with the first charger based on the signal on the VBUS pin in the Type-C base, so that when connected to the first charger through the Type-A to Type-C data cable, Wirelessly communicate with the first charger through the wireless transmission module, and negotiate charging with the device to be charged based on the content of the wireless communication. The first data cable is a Type‑A to Type‑C data cable, and the first charger supports Charger for wireless communication and PD charging. The embodiments of the present application can solve the problem that the Type‑A to Type‑C data line cannot transmit CC communication signals, and thus cannot support PD charging.

Description

Adapters, Chargers and Charging Equipment

technical field

The present application belongs to the field of communication technologies, and specifically relates to an adapter, a charger and a charging device.

Background technique

With the development of science and technology, the application of fast charging is becoming more and more extensive.

In the related art, the Power Delivery (PD) protocol is usually used for fast charging, and the charger supporting the PD protocol charging needs to use the CC signal line for communication, and the charger supporting the PD protocol charging usually adopts the third standard ( Type-C) interface with a Type-C to Type-C data cable. For the charger using the first standard (Type-A or Standard-A) interface, it communicates through the D+/D- signal line and cannot support PD protocol charging. However, there is no CC pin in the Type-A to Type-C data line, which cannot transmit CC communication signals, so PD charging is not supported.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide an adapter, a charger and a charging device, which can solve the problem that the Type-A to Type-C data cable does not support PD charging.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, an embodiment of the present application provides an adapter, including: a Type-C female socket, a Type-C male socket, and a wireless transmission module;

The Type-C female seat and the Type-C male seat both include CC pins, VBUS pins and GND pins, and the Type-C female seat and the Type-C male seat have CC pins. , VBUS pin and GND pin are connected in one-to-one correspondence;

The wireless transmission module is connected with the CC pin in the Type-C male seat;

When the adapter is connected to the first charger through the first data cable, the wireless transmission module establishes a wireless communication connection with the first charger;

Wherein, wireless communication is performed between the wireless transmission module and the first charger, the wireless transmission module performs charging negotiation with the device to be charged based on the content of the wireless communication, and the first data line is Type-A toType-C data cable, the first charger is a charger that supports wireless communication and PD charging.

In a second aspect, an embodiment of the present application provides a charger, including: a Type-A interface, a wireless transceiver module, a charging module, and a control module, where the Type-A interface includes a VBUS pin and a GND pin;

The control module is respectively connected with the wireless transceiver module, the VBUS pin and the charging module, and the charging module supports PD charging;

Wherein, the control module pre-stores the wireless communication connection information of the wireless transceiver module, and when the charger is connected to a power source, the control module is used to modulate the wireless communication connection information into an electrical signal, and the The VBUS pin transmission in the Type-A interface described above.

In a third aspect, an embodiment of the present application provides a charging device, including a charger and a data cable, the charger is the charger described in the second aspect, and the data cable is a Type-A to Type-C data cable , the charging device further includes the adapter described in the first aspect, the Type-A interface of the charger is connected to the Type-A interface of the data cable, and the Type-C socket of the adapter is connected to the data cable. Type-C interface connection.

The adapter provided by the embodiment of the present application includes a Type-C female socket, a Type-C male socket and a wireless transmission module, the adapter can connect a data cable with a Type-C interface and a device to be charged with a Type-C interface, and also It can communicate with the charger wirelessly through the wireless transmission module. In this way, when the adapter is connected to the Type-Ato Type-C data cable and the device to be charged, the wireless transmission module is connected to the CC pin of the device to be charged. At this time, the wireless transmission module and the charger can perform wireless transmission of the charging protocol, and Convert the wirelessly transmitted content into a wired communication signal and transmit it to the device to be charged through the CC pin or the first communication pin, so as to realize the charging negotiation between the adapter and the device to be charged. In this way, the charger performs PD on the device to be charged. During the charging process, the communication content of the PD charging protocol can be wirelessly transmitted between the charger and the wireless transmission module, and PD charging negotiation can be performed with the device to be charged through the CC pin in the Type-C socket, thereby realizing PD charging function.

Description of drawings

FIG. 1 is a schematic structural diagram of an adapter provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a charging device provided by an embodiment of the present application;

3 is an application scenario diagram of an adapter provided by an embodiment of the present application;

FIG. 4 is a working flowchart of an adapter provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between "first", "second", etc. The objects are usually of one type, and the number of objects is not limited. For example, the first object may be one or more than one. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

The adapter, the charger, and the charging device provided by the embodiments of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

Please refer to FIG. 1 and FIG. 2 at the same time, wherein FIG. 1 is a schematic structural diagram of an adapter provided by an embodiment of the present application; and FIG. 2 is a schematic structural diagram of a charging device provided by an embodiment of the present application.

As shown in FIG. 1 , the adapter 1 includes: a Type-C female socket 11 , a Type-C male socket 12 and a wireless transmission module 13 ;

Both the Type-C female socket 11 and the Type-C male socket 12 include CC pins, VBUS pins and GND pins, and the CC pins and VBUS pins in the Type-C female socket 11 and the Type-C male socket 12 and GND pins are connected one-to-one;

The wireless transmission module 13 is connected to the CC pin in the Type-C male socket 12 .

As shown in FIG. 2 , when the adapter 1 is connected to the charger 3 through the data cable 2, if the data cable 2 is the first data cable, the charger 3 is the first charger, and the wireless transmission module 13 is connected to the charger 3. The charger 3 establishes a wireless communication connection;

The wireless transmission module 13 performs wireless communication with the first charger, the wireless transmission module 13 performs charging negotiation with the device to be charged based on the content of the wireless communication, and there is no connected CC in the first data line. cable (for example: Type-A to Type-C data cable), the first charger is a charger that supports wireless communication and PD charging.

In one embodiment, the above-mentioned wireless transmission module 13 may be configured with a PD communication protocol, so as to be able to parse and modulate the communication signal transmitted through the CC pin when it is determined that both the first charger and the device to be charged support PD charging, and Perform PD charging negotiation with the device to be charged connected to the Type-C male socket 12 based on the communication signal, and wirelessly transmit the negotiation result to the first charger, so that the first charger works according to the negotiation result.

In another embodiment, when the first charger establishes a wireless communication connection with the wireless transmission module 13, it wirelessly transmits the charging protocol (including at least the PD charging protocol) supported by the first charger to the wireless transmission module 13 of the adapter 1, so as to The wireless transmission module 13 performs charging negotiation with the device to be charged based on the received charging protocol, and wirelessly transmits the negotiation result to the first charger, so that the first charger works according to the negotiation result.

In a specific implementation, the above-mentioned Type-C female socket 11 and Type-C male socket 12 may further include a first communication pin, etc., and the first data line has a communication line corresponding to the first communication pin. .

At this time, the wireless transmission module 13 in the adapter 1 can be connected to the first communication pin or the VBUS pin, so as to receive the wireless communication connection information sent by the first charger through the first communication pin or the VBUS pin, thereby Implementation: the wireless transmission module 13 establishes a wireless communication connection with the first charger.

Wherein, in the embodiment of receiving the wireless communication connection information sent by the first charger via the VBUS pin, the electrical signal transmitted on the VBUS pin in the Type-C socket 11 carries the information of the first charger. Wireless communication connection information.

It should be noted that, when the wireless transmission module 13 is connected to the first communication pin in the Type-C male socket 12, the wireless transmission module 13 or the first charger may also be configured with: data negative signal (DataMinus, DM ) and the data positive signal (Data Positive, DP) communication protocol to realize the analysis and modulation of the communication signal transmitted through the D+ pin and the D- pin, and perform DP/DM charging negotiation based on the communication signal.

It should be noted that, in application, the adapter 1 provided in this embodiment of the present application may also be connected to a second data cable or a second charger that does not match. At this time, the adapter 1 can determine whether the connected charger is the first charger or the second charger by detecting whether the wireless transmission module 13 successfully establishes a wireless connection with the charger. Specifically, when a wireless communication connection with the charger is established, the charger connected with the charger is determined as the first charger; when the wireless communication connection with the charger is not established, the charger connected with the charger is determined as the second charger device.

In addition, it can also be determined whether it is connected to the CC pin in the charger by detecting the electrical signal on the CC pin in the Type-C socket. When the CC pin in the Type-C socket is connected to the CC pin in the charger, the data line connected to it is determined as the second data line; the CC pin in the Type-C socket is connected with the charger in the charger. When the CC pin is disconnected, it is determined that the data line connected to it is the first data line. Specifically, when the CC pin in the Type-C socket is connected to the CC pin in the charger, the CC pin in the Type-C socket has a high-level signal, and the CC pin in the Type-C socket has a high-level signal. There is a low level signal on the CC pin in the Type-C female socket when the CC pin is disconnected from the CC pin in the charger. In this way, it is only necessary to detect the value of the electrical signal on the CC pin to determine whether the data line connected to the adapter 1 is the first data line.

In one embodiment, the wireless transmission module 13 can be connected to the first communication pin and the CC pin in the Type-C male socket 12 .

At this time, the first communication pin in the Type-C female socket 11 is disconnected from the first communication pin in the Type-C male socket 12 , so that the connection between the Type-C female socket 11 and the Type-C male socket 12 is disconnected. A wired communication signal cannot be transmitted via the first communication pin.

In another embodiment, the adapter 1 may further include: a switch module 14, the switch module 14 is used to control the wireless transmission module 13 to communicate with the first communication pin in the Type-C socket 11, or to control the wireless The transmission module 13 communicates with the first communication pin in the Type-C male socket 12 .

Specifically, the second detection end of the wireless transmission module 13 is connected to the CC pin in the Type-C socket 11. In the case that the adapter 1 is connected to the charger 3 through the data cable 2, if the charger 3 is the first charger, and the data line 2 is the first data line, and the switch module 14 is connected to the wireless transmission module 13 and the first communication pin in the Type-C socket 12; if the charger 3 is the second charger Alternatively, the data line 2 is the second data line, and the switch module 14 is connected to the Type-C male socket 12 and the first communication pin in the Type-C female socket 11 .

Wherein, if the wireless transmission module 13 establishes a wireless communication connection with the charger 3 based on the wireless communication connection information transmitted through the VBUS pin in the Type-C socket 11, the charger 3 is the first charger; if the wireless transmission module 13 If the wireless communication connection is not established with the charger 3, the charger 3 is the second charger; if the wireless transmission module 13 determines that the data cable 2 has no connected CC based on the signal transmitted through the CC pin in the Type-C base 11 If the wireless transmission module 13 determines that the data line 2 has a connected CC line based on the signal transmitted through the CC pin in the Type-C socket 11, the data line 2 is the first data line. Two data lines.

In a specific implementation, the first communication pin in the Type-C female socket 11 is connected to the first end of the switch module 14 , and the first communication pin in the Type-C male socket 12 is connected with the switch module 14 . The second end is connected, the first end of the wireless transmission module 13 is connected to the third end of the switch module 14 , and one of the first end and the third end of the switch module 14 is connected to the switch module 14 The second end is connected, and the first end of the switch module 14 is disconnected from the third end of the switch module 14;

The second end of the wireless transmission module 13 is connected to the CC pin in the Type-C male socket 12 , and the wireless transmission module 13 can be configured with a PD communication protocol and a non-PD communication protocol.

In operation, as shown in FIG. 2 , when the adapter 1 is connected to the charger 3 through the data cable 2, if the charger 3 is the first charger and the data cable 2 is the first data cable line, the second end of the switch module 14 is connected to the third end of the switch module 14; if the charger 3 is the second charger or the data line 2 is the second data line, the switch module The first end of 14 communicates with the second end of the switch module 14 .

In a specific implementation, the CC pins, VBUS pins and GND pins in the Type-C female seat 11 and the Type-C male seat 12 are all connected in a one-to-one correspondence. The CC pin is connected to the CC pin in the Type-C male socket 12, the VBUS pin in the Type-C female socket 11 is connected with the VBUS pin in the Type-C male socket 12, and the VBUS pin in the Type-C female socket 11 is connected. The GND pin is connected to the GND pin in the Type-C male socket 12.

In addition, in a specific implementation, the above-mentioned Type-C female socket 11 and Type-C male socket 12 may also include other pins, for example: the SBU pin, the signal transmission pin (TX1 pin as shown in FIG. 2 ) and TX2 pins) and signal receiving pins (RX1 pins and RX2 pins), etc., which are not specifically limited here, and the Side Band Use , SBU) pins, TX1 pins, TX2 pins, RX1 pins and RX2 pins are also connected one-to-one, and the corresponding connection methods are the same as the CC pins in Type-C female seat 11 and Type-C male seat 12. Pins, VBUS pins and GND pins are all connected in one-to-one correspondence in the same way, and will not be repeated here.

In a specific implementation, as shown in FIG. 1 , the above-mentioned first communication pins may be signal transmission pins (D+ pins and D- pins) of the second-generation universal serial bus (USB2.0 interface). In this embodiment, the non-PD communication protocol configured in the wireless transmission module 13 is the communication protocol of the communication signal transmitted through the D+ pin and the D- pin.

Of course, in a specific implementation, the above-mentioned first communication pin may also be a signal transmission pin of a USB 3.1 interface or a signal transmission pin in interfaces such as USB 3.2, USB 3.3 or even USB 4.0 that may appear in the future, which will not be described in detail here. limited.

In addition, in a specific implementation, the above-mentioned wireless transmission module 13 may be a Micro Control Unit (Micro Control Unit, MCU) that supports wirelessly transceiving the PD communication protocol and the communication signal signal of the USB2.0 communication protocol. Specifically, the first end of the wireless transmission module 13 may be the signal transmission end of the USB 2.0 communication protocol, and the second end of the wireless transmission module 13 may be the signal transmission end (ie the CC signal end) of the PD communication protocol.

In addition, at the same point in time, the second end of the switch module 14 is in communication with only one of its first and third ends. Specifically, the switch module 14 may be a single-pole double-throw switch or a combination of multiple switches. Specifically, in the embodiment in which the switch module 14 is a single-pole double-throw switch, the fixed end of the single-pole double-throw switch is connected to the Type-C male socket. The first communication pin in 12 is fixedly connected, and the movable end of the SPDT switch can be connected with the first communication pin in the Type-C socket 11 or with the first end of the wireless transmission module 13 .

In an application, when the switch module 14 connects the first communication pin in the Type-C female socket 11 with the first communication pin in the Type-C male socket 12, it can make the connection between the electronic devices connected at both ends of the adapter 1. Signal transmission is realized through the first communication pin; when the switch module 14 connects the first communication pin in the Type-C male socket 12 with the first end of the wireless transmission module 13, if the wireless transmission module is connected with the second electronic device, Signal transmission between the second electronic device and the electronic device connected to the Type-C male socket 12 can be realized through the first communication pin.

During operation, the adapter 1 can periodically detect the signal transmission status of the electronic devices connected at both ends, so as to control the switch module 14 to connect to the Type-C when the electronic devices connected at both ends transmit signals through the first communication pin The first communication pin in the female seat 11 and the first communication pin in the Type-C male seat 12; when the electronic devices connected at both ends do not transmit signals through the first communication pin, the control switch module 14 is connected to the Type-C -The first communication pin in the C male socket 12 and the wireless transmission module 13, so as to realize the time-sharing transmission of the wireless communication signal and the wired communication signal through the first communication pin in the Type-C male socket 12.

The adapter provided by the embodiment of the present application includes a Type-C female socket, a Type-C male socket and a wireless transmission module, the adapter can connect a data cable with a Type-C interface and a device to be charged with a Type-C interface, and also It can communicate with the charger wirelessly through the wireless transmission module. In this way, when the adapter is connected to the Type-A to Type-C data cable and the device to be charged, the wireless transmission module is connected to the CC pin of the device to be charged. At this time, the wireless transmission module and the charger can perform wireless transmission of the charging protocol. Convert the wirelessly transmitted content into a wired communication signal and transmit it to the device to be charged through the CC pin or the first communication pin, so as to realize the charging negotiation between the adapter and the device to be charged. In the process of PD charging, the communication content of the PD charging protocol can be wirelessly transmitted between the charger and the wireless transmission module, and the PD charging negotiation can be performed with the device to be charged through the CC pin in the Type-C socket, so as to achieve PD charging function.

Please refer to FIG. 2 , the above-mentioned first charger can also be understood as a charger matched with the adapter 1 , which can be specifically the charger 3 shown in FIG. 2 , the charger 3 includes: a Type-A interface 31 , a wireless transceiver Module 32, charging module (PD charging processing module 33 and non-PD charging processing module 34 as shown in FIG. 2) and control module 35, Type-A interface 31 includes second communication pin, VBUS pin and GND pin. The control module 35 is connected to the wireless transceiver module 32, the VBUS pin and the charging module, respectively.

Specifically, the first end of the control module 35 is connected to the wireless transceiver module 32, the second end of the control module 35 is connected to the VBUS pin, and the third end of the control module 35 is connected to the VBUS pin. The PD charging processing module 33 is connected, the fourth end of the control module 35 is connected to the non-PD charging processing module 34 , and the non-PD charging processing module 34 is connected to the second communication pin.

Wherein, the control module 35 pre-stores the wireless communication connection information of the wireless transceiver module 32. When the charger 3 is connected to the power supply, the control module 35 is used to modulate the wireless communication connection information into an electrical signal, which is then transmitted through the Type-A interface. transmission on the VBUS pin.

In a specific implementation, the second communication pin in the Type-A interface of the charger 3 is a pin corresponding to the first communication pin in the adapter 1 , which may specifically be a D+ pin and a D- pin.

It should be noted that, in specific implementation, the second communication pin and the non-PD charging processing module 34 may not be set in the charger 3, so that the charger 3 only supports PD charging. Alternatively, other data pins and a charging processing module may also be set in the charger 3, so that the charger 3 can also support other charging methods, which are not specifically limited herein.

As an optional implementation manner, the charging module includes a PD charging processing unit 33 and a non-PD charging processing unit 34, the non-PD charging processing unit 34 is connected to the second communication pin, and the wireless transceiver module 32 is connected to the PD charging The processing unit 33 is connected, and the wireless transceiver module 32 is configured to mutually convert the charging signal generated by the PD charging processing unit 33 and the received wireless PD communication signal.

The wireless PD communication signal received by the wireless transceiver module 32 is specifically the wireless PD communication signal sent by the wireless transmission module 13 in the adapter 1 .

In addition, the above-mentioned charger 3 can be connected to a data cable 2 without a connected CC line (for example, a Type-A to Type-C data cable), and can perform PD charging or non-charging on the device to be charged through the data cable 2 and the adapter 1. PD charging, wherein the communication signal of PD charging is transmitted to the device to be charged through the CC pin in the Type-C socket 12 , and the communication signal of non-PD charging is transmitted to the device to be charged through the first communication pin in the Type-C socket 12 . device to be charged.

Specifically, the second communication pin in the charger 3 is connected to the first communication pin in the Type-C socket 11 through the communication line in the Type-A to Type-C data cable 2, for example: In the case where a communication pin includes a D+ pin and a D- pin, the above-mentioned non-PD charging processing module 34 may be a D+/D- charging module, and the Type-A interface of the charger 3 also includes a D+ pin and a D- pin pin, and the D+ pin and D- pin are connected to the D+/D- charging module. In addition, the data line 2 also includes the D+ line and the D- line, and the D+ pin is connected to the Type-C through the D+ line. The D+ pin in the female seat 11 is connected, and the D- pin is connected with the D- pin in the Type-C female seat 11 through the D- wiring.

In addition, the voltage value of the electrical signal modulated by the wireless communication connection information is about 200 mV (millivolt).

During operation, the adapter 1 obtains the electrical signal transmitted on the VBUS pin in the Type-C socket 11 through the wireless transmission module 13 , and analyzes the electrical signal to obtain the wireless signal of the wireless transceiver module 32 in the charger 1 . Communication connection information, and realizes the wireless communication connection between the wireless transmission module 13 and the wireless transceiver module 32 based on the wireless communication connection information.

It should be noted that, in practical applications, the wireless transmission module 13 and the wireless transceiver module 32 pre-store the encoded information of the wireless communication connection information, so as to realize the modulation and demodulation process of the wireless communication connection information according to the encoded information.

In addition, the wireless transmission module 13 also obtains the electrical signal transmitted on the CC pin in the Type-C socket 11, so as to determine whether the data line connected to the adapter 1 is a Type-A to Type-C data line according to the electrical signal 2. Specifically, the CC pin in the Type-C interface of the conventional Type-A to Type-C data line 2 is disconnected from the charger 1, while the Type-C interface of the Type-C to Type-C data line 2 is disconnected. The CC pin of the Type-C interface is connected to the charger with the Type-C interface, so that the electrical signal value on the CC pin of the Type-A to Type-C data line 2 is different from the CC pin of the Type-C to Type-C data line. The electrical signal value on the foot.

As an optional implementation manner, the wireless transmission module 13 is configured with a PD communication protocol and a non-PD communication protocol, the Type-C female socket 11 is connected to the first charger, and the Type-C male socket 12 is connected to the device to be charged connected, and the device to be charged supports PD communication, the wireless transmission module 13 is configured to convert the wireless PD communication signal into a CC signal when acquiring the wireless PD communication signal of the first charger, and convert the wireless PD communication signal into a CC signal. The converted CC signal is transmitted to the device to be charged through the CC pin in the Type-C male socket 12, and the wireless transmission module 13 is also used to receive through the CC pin in the Type-C socket 12. When the CC signal sent by the device to be charged is sent, the CC signal sent by the device to be charged is converted into a PD communication signal, and the converted PD communication signal is wirelessly transmitted to the first charger.

In this embodiment, the PD communication between the PD charging processing module 33 and the device to be charged is realized through the wireless transmission module 13 of the adapter 1 and the wireless transceiver module 32 of the charger 3, and the CC pins of the device to be charged and the device to be charged are not required. The hardware structure or software part of the PD charging protocol module is modified, so that the charging device provided by the embodiments of the present application not only matches the Type-A to Type-C data line in the prior art, but also has the same features as the prior art. Match the device to be charged with the Type-C interface.

Of course, in a specific implementation, the above-mentioned wireless transmission module 13 can also be connected to the device to be charged by wireless communication, and acquire the PD communication signal of the device to be charged through wireless transmission and forward the wireless PD communication sent by the charger 3 to the device to be charged. The signal is not specifically limited here.

As an optional implementation manner, when the wireless transmission module 13 is wirelessly connected to the first electronic device based on the D+/D- communication protocol, and the Type-C male socket 12 is connected to the device to be charged, the switch module 14 The second end of is communicated with the third end of the switch module 14;

Wherein, the wireless transmission module 13 is configured to convert the communication signal sent by the first electronic device into a D+/D- communication signal after acquiring the communication signal sent by the first electronic device, and then pass the Type- The D+ pin and the D- pin in the C male socket are transmitted to the device to be charged; the wireless transmission module is also used for receiving the D+ pin and D- pin in the Type-C socket When the D+/D- communication signal sent by the device to be charged is sent, the D+/D- communication signal sent by the device to be charged is converted into a wireless communication signal, and wirelessly transmitted to the first electronic device.

In a specific implementation, the above-mentioned device to be charged may be a master device such as a notebook computer, and the above-mentioned first electronic device may be a slave device that supports wireless connection. For example, in the application scenario shown in FIG. 3 , the above-mentioned first electronic device includes: The mouse 10 and the wireless keyboard 20, the wireless mouse 10 and the wireless keyboard 20 communicate with the master device through the wireless transmission module 13 and the D+ pin and the D- pin in the Type-C socket 12, so that the master device and the slave device can be realized. Data interaction between devices.

In addition, the second end of the switch module 14 is connected to the third end of the switch module 14, that is, the switch module 14 connects the D+ pin and the D- pin in the Type-C male socket 12 to the wireless transmission module 13, so that the The slave device communicatively connected to the wireless transmission module 13 interacts with the master device based on the D+ pin and the D- pin in the Type-C male socket.

As an optional implementation manner, as shown in FIG. 2 , the Type-C female socket 11 and the Type-C male socket 12 further include: a third-generation Universal Serial Bus (USB 3.1) signal transmission pin (TX1 pin , TX2 pins, RX1 pins, and RX2 pins) and SBU pins, and the USB 3.1 signal transmission pins in the Type-C female socket 11 and the Type-C male socket 12 are connected one-to-one with the SBU pins.

The USB 3.1 signal transmission pins and the SBU pins in the above-mentioned Type-C female socket 11 and Type-C male socket 12 are connected in one-to-one correspondence, which can be expressed as: Type-C female socket 11 and Type-C male socket 12. The TX1 pin, TX2 pin, RX1 pin, RX2 pin and SBU pin are connected one by one, and the corresponding connection method is the same as the CC pins in Type-C female socket 11 and Type-C male socket 12, The way that the VBUS pin and the GND pin are connected in a one-to-one correspondence is the same, and will not be repeated here.

For example, in the application scenario shown in FIG. 3 , the above-mentioned second electronic device includes: a USB flash drive 30 , and the USB flash drive supports the USB3.1 communication protocol.

In this embodiment, when the second electronic device is connected to the Type-C socket 11, the second electronic device can communicate with the Type-C through the TX1 pin, the TX2 pin, the RX1 pin, the RX2 pin and the SBU pin. -The device to be charged connected to the C male socket 12 is connected, so that the interactive information between the second electronic device and the device to be charged is transmitted through the TX1 pin, TX2 pin, RX1 pin, RX2 pin and SBU pin, so that the The high-speed data is transmitted through the signal transmission pins of USB 3.1, and the low-speed data is transmitted through the signal transmission pins of USB2.0.

As an optional implementation manner, in the case that the Type-C socket 11 is wired to the second electronic device, and the second electronic device supports the third-generation universal serial bus communication protocol, the second electronic device of the switch module 14 The two terminals are communicated with the third terminal of the switch module 14 .

In this embodiment, the switch module 14 connects the first end of the wireless transmission module 13 with the first communication pin in the Type-C socket 12 , so that the second electronic device connected to the Type-C socket 11 can be While the first communication pin in the Type-C male socket 12 exchanges data with the device to be charged, the first electronic device wirelessly connected by the wireless transmission module 13 is connected via the TX1 pin, TX2 pin, RX1 pin, and RX2 pin. The pins and SBU pins interact with the device to be charged. For example, when the notebook computer is connected to the USB flash drive through the adapter 1, it is also connected to wireless devices such as a mouse. The USB flash drive supports the USB3.1 communication protocol.

As an optional implementation manner, the Type-C socket 11 of the adapter 1 is wired to the second electronic device, the wireless transmission module 13 is wirelessly connected to the first electronic device, and the second electronic device does not support In the case of the third-generation universal serial bus communication protocol, when at least one of the D+ pin and the D- pin in the Type-C socket 11 has a communication signal transmission, the first end of the switch module 14 communicates with the The second end of the switch module 14 is connected;

or,

The Type-C socket of the adapter is wired to the second electronic device, the wireless transmission module is wirelessly connected to the first electronic device, and the second electronic device does not support the third-generation universal serial bus communication protocol In this case, when there is no communication signal transmission between the D+ pin and the D- pin in the Type-C socket 11, the second end of the switch module is connected to the third end of the switch module.

Wherein, when the adapter 1 is connected to the wired device and the wireless device at the same time, and the wired device transmits signals through the D+ pin and the D- pin in the Type-C base, the switch module 14 is connected to the D+ lead in the Type-C base 11. pin and D- pin and D+ pin and D- pin in Type-C header 12. At this time, the wired device performs data transmission with the electronic device connected to the Type-C male socket 12 through the D+ pin and the D- pin.

In practical applications, there is a time gap in the data transmission process between the wired device and the electronic device connected to the Type-C socket 12 , or the data transmission between the wired device and the electronic device connected to the Type-C socket 12 is completed. Afterwards, data transmission is stopped between the wired device and the electronic device connected to the Type-C male socket 12 . In this way, the switch module 14 can connect the D+ pin and the D- pin in the wireless transmission module 13 and the Type-C socket 12 during the above-mentioned time gap or during the stop of data transmission, so as to realize the wireless device through the Type-C socket 12. Data exchange is performed between the D+ pin and the D- pin in 12 and the electronic device connected to the Type-C male socket 12 .

In this embodiment, when the Type-C female socket 11 is connected to a wired device that does not support the third-generation universal serial bus communication protocol, the electronic device connected to the Type-C male socket 12 and the wireless device can still be connected. data interaction.

As an optional implementation manner, the wireless transmission module 13 further includes a power supply terminal, and the VBUS pin of at least one of the Type-C female socket 11 and the Type-C male socket 12 is connected to the power supply terminal .

In this embodiment, the VBUS pin in the adapter 1 is used to supply power to the wireless transmission module 13 to avoid the problem of increasing the production cost of the adapter 1 by providing an independent power supply for the wireless transmission module 13 , and also to simplify the structure of the adapter 1 .

Taking the charging device shown in Figure 2 as an example below, when the charging device is connected to a power source and a device to be charged, it can perform the following workflow:

Step 401 , the charger realizes 200mV small signal modulation via VBUS, and outputs the wireless connection address character.

In this step, the charger modulates the wireless connection address of the wireless transceiver module into a 200mV small signal, and the 200mV small signal carries the wireless connection address character. After analyzing the wireless connection address character, the wireless connection of the wireless transceiver module can be obtained. address.

Step 402, the adapter MCU finds that a traditional cable is connected through CC detection.

Wherein, the above-mentioned conventional cable represents a data cable from Type-A to Type-C.

Step 403, the adapter MCU detects the modulated signal via the VBUS, and acquires the wireless connection address accordingly.

The above-mentioned modulated signal in this step is a 200mV small signal carrying the wireless connection address character in step 401 .

Step 404: Determine whether the acquisition is successful.

In this step, it is judged whether the modulation signal is successfully acquired through the VBUS pin.

Wherein, when the judgment result of this step is "Yes", step 405 is executed, and when the judgment result of this step is "No", step 406 is executed.

Step 405 , the adapter MCU enables the wireless function, and establishes a wireless communication connection with the charger through the acquired wireless connection address.

In this step, the above-mentioned enabling the wireless function may be understood as: enabling the wireless transmission function of the wireless transmission module.

Step 406 , waiting for retransmission, and setting a countdown with a preset time length, when the countdown ends, the acquisition is unsuccessful.

After step 406, the adapter MCU can turn off the wireless transmission function of the wireless transmission module.

Step 407: Determine whether the wireless communication connection is successful.

In this step, it is determined whether the wireless transmission module of the adapter MCU successfully establishes a wireless communication connection with the wireless transceiver module of the charger.

Wherein, when the judgment result of this step is "Yes", step 408 is executed, and when the judgment result of this step is "No", the process ends.

Step 408 , the adapter MCU enables PD wireless communication, obtains the PD capability of the charger, and enables the transparent transmission function.

In this step, the above-mentioned acquisition of the PD capability of the charger may be to determine the PD charging parameters of the charger through the PD signal sent by the wireless transceiver module of the charger, or to acquire the PD charging protocol sent by the charger through wireless transmission.

In addition, the above transparent transmission function can be understood as: realizing the forwarding function between the PD signal sent by the wireless transceiver module of the charger and the CC signal of the device to be charged.

Step 409 , the charger implements communication with the device to be charged through the wireless transparent transmission function.

Step 410: Determine whether the PD negotiation is successful.

In this step, the above PD negotiation can be understood as determining the charging parameters for PD charging.

Wherein, when the judgment result of this step is "Yes", step 411 is executed, and when the judgment result of this step is "No", step 412 is executed.

Step 411 , transmit power according to the parameters negotiated by the PD.

Step 412, transmit power according to default parameters.

Through the workflow provided by this embodiment, the charging device including the Type-A to Type-C data cable DE provided by the embodiment of the present application can perform PD charging on the device to be charged.

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. In addition, it should be noted that the scope of the methods and electronic devices in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved To perform functions, for example, the methods described may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

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 solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims (13)

1. An adapter, comprising: the device comprises a Type-C female seat, a Type-C male seat and a wireless transmission module;

the Type-C female seat and the Type-C male seat respectively comprise a CC pin, a VBUS pin and a GND pin, and the CC pin, the VBUS pin and the GND pin in the Type-C female seat and the Type-C male seat are uniformly and correspondingly connected;

the wireless transmission module is connected with a CC pin in the Type-C public seat;

under the condition that the adapter is connected with a first charger through a first data line, the wireless transmission module is in wireless communication connection with the first charger;

the wireless transmission module is in wireless communication with the first charger, the wireless transmission module performs charging negotiation with a device to be charged based on the content of the wireless communication, the first data line is a Type-A to Type-C data line, the first charger is a charger supporting wireless communication and PD charging, and the wireless communication comprises wireless PD communication.

2. The adapter of claim 1, wherein the first detection end of the wireless transmission module is connected to a VBUS pin in the Type-C female socket, and an electrical signal transmitted over the VBUS pin in the Type-C female socket carries wireless communication connection information of the first charger;

if the wireless transmission module establishes wireless communication connection with the charger based on the wireless communication connection information transmitted through the VBUS pin in the Type-C female socket, the charger is a first charger; and if the wireless transmission module is not in wireless communication connection with the charger, the charger is a second charger.

3. The adapter of claim 2, wherein the Type-C female socket and the Type-C male socket further comprise a first communication pin, and the adapter further comprises a switch module, wherein the switch module is configured to control the wireless transmission module to communicate with the first communication pin in the Type-C female socket or control the wireless transmission module to communicate with the first communication pin in the Type-C male socket; the second detection end of the wireless transmission module is connected with the CC pin in the Type-C female seat;

under the condition that the adapter is connected with a charger through a data line, if the charger is a first charger and the data line is a first data line, the switch module is communicated with the wireless transmission module and a first communication pin in the Type-C public seat; if the charger is a second charger or the data line is a second data line, the switch module is communicated with a first communication pin in a Type-C male seat and a first communication pin in a Type-C female seat;

if the wireless transmission module determines that the data line is a CC routing line without communication based on a signal transmitted by a CC pin in the Type-C female socket, the data line is a first data line; and if the wireless transmission module determines that the data line has a communicated CC routing line based on the signal transmitted by the CC pin in the Type-C female socket, the data line is a second data line.

4. The adapter of claim 3 wherein the wireless transport module is configured with a PD communication protocol and a non-PD communication protocol, the Type-C female seat is connected with the first charger, the Type-C male seat is connected with the equipment to be charged, and under the condition that the device to be charged supports PD communication, the wireless transmission module is used for converting the wireless PD communication signal of the first charger into a CC signal when the wireless PD communication signal is acquired, and transmitting the converted CC signals to the equipment to be charged through the CC pin in the Type-C public seat, the wireless transmission module is also used for receiving a CC signal sent by the equipment to be charged through a CC pin in the Type-C public seat, and converting the CC signal sent by the equipment to be charged into a PD communication signal, and wirelessly transmitting the converted PD communication signal to the first charger.

5. The adapter as claimed in claim 4 wherein the first communication pin is a D + pin and a D-pin, and the non-PD communication protocol is a communication protocol for communication signals transmitted via the D + pin and the D-pin.

6. The adapter of claim 5, wherein the switch module connects the wireless transmission module with the first communication pin in the Type-C male socket when the wireless transmission module connects a first electronic device with a device to be charged connected to the Type-C male socket wirelessly based on the communication signals transmitted by the D + pin and the D-pin;

the wireless transmission module is used for converting the communication signal sent by the first electronic equipment into a D +/D-communication signal and then transmitting the D +/D-communication signal to the equipment to be charged through a D + pin and a D-pin in the Type-C public seat when the communication signal sent by the first electronic equipment is obtained; the wireless transmission module is also used for converting the D +/D-communication signal sent by the equipment to be charged into a wireless communication signal when the D +/D-communication signal sent by the equipment to be charged is received by the D + pin and the D-pin in the Type-C public seat, and the wireless communication signal is wirelessly transmitted to the first electronic equipment.

7. The adapter of claim 5 wherein the Type-C female socket and the Type-C male socket further comprise: the third generation USB signal transmission pin and SBU pin, just female seat of Type-C with third generation USB signal transmission pin and SBU pin one-to-one in the public seat of Type-C are connected.

8. The adapter of claim 7, wherein the switch module connects the wireless transmission module to the first communication pin in the Type-C male socket when the Type-C female socket is connected to a second electronic device via a wire, and the second electronic device supports a third-generation universal serial bus communication protocol.

9. The adapter of claim 7, wherein when the Type-C female socket is connected to a second electronic device via a wire, the wireless transmission module is connected to the first electronic device wirelessly, and the second electronic device does not support a third generation universal serial bus communication protocol, and when at least one of a D + pin and a D-pin in the Type-C female socket has a communication signal transmission, the switch module connects the Type-C female socket to the first communication pin in the Type-C male socket;

or,

the Type-C female seat of the adapter is in wired connection with second electronic equipment, the wireless transmission module is in wireless connection with first electronic equipment, the second electronic equipment does not support the third-generation universal serial bus communication protocol, and when no communication signal is transmitted in a D + pin and a D-pin in the Type-C female seat, the switch module is communicated with the wireless transmission module and the first communication pin in the Type-C male seat.

10. The adapter of claim 1, wherein the wireless transmission module further comprises a power terminal, and wherein the VBUS pin of at least one of the Type-C female socket and the Type-C male socket is connected to the power terminal.

11. A charger, comprising: the charging device comprises a Type-A interface, a wireless transceiving module, a charging module and a control module, wherein the Type-A interface comprises a VBUS pin and a GND pin;

the control module is respectively connected with the wireless transceiver module, the VBUS pin and the charging module, and the charging module comprises a PD charging processing unit supporting PD charging;

the control module is used for modulating the wireless communication connection information into an electric signal and transmitting the electric signal through a VBUS pin in the Type-A interface when the charger is connected with a power supply, the wireless receiving and transmitting module is connected with the PD charging processing unit, and the wireless receiving and transmitting module is used for converting a PD charging signal generated by the PD charging processing unit and a received wireless PD communication signal into each other.

12. The charger of claim 11, wherein the charging module comprises a PD charging processing unit and a non-PD charging processing unit, the Type-a interface further comprises a second communication pin, the non-PD charging processing unit is connected to the second communication pin, the wireless transceiver module is connected to the PD charging processing unit, and the wireless transceiver module is configured to interconvert a charging signal generated by the PD charging processing unit and a received wireless PD communication signal.

13. A charging device, comprising a charger and a data line, wherein the charger is the charger according to claim 11 or 12, the data line is a Type-a to Type-C data line, the charging device further comprises an adapter according to any one of claims 1 to 10, the Type-a interface of the charger is connected with the Type-a interface of the data line, and the Type-C female socket of the adapter is connected with the Type-C interface of the data line.

Images