Three-terminal contact interface converts USB and fast charging function device

Abstract

The utility model provides a kind of three end point contact interface conversion USB and fast charging function equipment, data conversion module is connected electrically with the GND contact, communication contact in traditional three end point contact equipment, data conversion module converts three end point equipment data into serial data and serial conversion USB module carries out communication, while charging in three end point contact, after serial conversion USB module detects that USB interface has keyboard, mouse etc. USB communication signal, data conversion module realizes USB communication function by three end point contact with equipment;In addition, data conversion module synchronizes and power communication module carries out IO communication, three end point contact rear-end equipment communicates handshake with power communication module, external charging adapter by data conversion module, decides whether three end point equipment enters PD fast charging mode and ordinary charging mode, to realize three end point equipment PD charging function.

Description

Technical Field

[0001] This utility model relates to the field of contact interface technology, and in particular to a three-terminal contact interface conversion device for USB and fast charging functions. Background Technology

[0002] Some existing electronic devices use three-terminal contact interfaces for charging connections, primarily in devices that can be directly placed for electrical connection. Typically, these three-terminal contact interfaces can only be used for charging or communication alone, and cannot simultaneously support three-terminal charging and USB communication. Therefore, further improvements to the three-terminal contact module are needed. Utility Model Content

[0003] In view of this, the present invention provides a three-terminal contact interface to convert USB and fast charging functions into a device. In view of the problems of the prior art, a data conversion module is designed to convert the data of the three-terminal device into serial port data, thereby solving the existing technical problems.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A three-terminal contact interface conversion device for USB and fast charging functions includes three terminals: GND contact, VCC contact, and communication contact. A charging interface is electrically connected to the GND and VCC contacts via a power communication module. The device also includes a data conversion module electrically connected to the GND and communication contacts, a serial-to-USB module electrically connected to the data conversion module via serial communication, and a USB interface electrically connected to the serial-to-USB module. The power communication module is also electrically connected to the data conversion module and the serial-to-USB module to provide power.

[0006] Furthermore, the data conversion module is also electrically connected to the power communication module (IO).

[0007] The beneficial effects of this utility model are as follows:

[0008] This invention adds a data conversion module electrically connected to the GND contact and communication contact of a traditional three-terminal contact device. The data conversion module converts the data from the three-terminal device into serial port data for communication with the serial-to-USB module. While the three-terminal contact is charging, the serial-to-USB module detects USB communication signals such as keyboard or mouse signals at the USB interface, and the data conversion module transmits the signals to the device through the three-terminal contact to achieve USB communication. In addition, the data conversion module synchronously performs I / O communication with the power communication module. The back-end device of the three-terminal contact communicates and hands-on with the power communication module and the external charging adapter through the data conversion module to determine whether the three-terminal device enters PD fast charging mode or normal charging mode, thereby realizing the PD charging function of the three-terminal device. Attached Figure Description

[0009] Figure 1 This is a block diagram of the device for converting a three-terminal contact interface to USB and fast charging functions in this utility model. Detailed Implementation

[0010] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0011] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. This disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0012] In order to enable charging and USB functions simultaneously through an interface for a three-terminal contact device, the specific details of this utility model are as follows.

[0013] Combination Figure 1 As shown, an embodiment of this utility model is a three-terminal contact interface conversion device for USB and fast charging functions, including three terminals: GND contact, VCC contact, and communication contact. A charging interface is electrically connected to the GND contact and VCC contact through a power communication module. Importantly, it also includes a data conversion module electrically connected to the GND contact and communication contact, a serial-to-USB module electrically connected to the data conversion module via serial communication, and a USB interface electrically connected to the serial-to-USB module. The power communication module is also electrically connected to the data conversion module and the serial-to-USB module to provide power.

[0014] The main feature of this invention is that a data conversion module is added to the traditional three-terminal contact device, which is electrically connected to the GND contact and communication contact. The data conversion module converts the data of the three-terminal device into serial port data and communicates with the serial-to-USB module. While the three-terminal contact is charging, the serial-to-USB module detects USB communication signals such as keyboard and mouse signals at the USB interface. The data conversion module then transmits the signals to the device through the three-terminal contact to realize the USB communication function, thus solving the problem of the single function of the existing three-terminal contact interface.

[0015] Furthermore, in some embodiments, such as Figure 1As shown, in order to enable the three-terminal contact to switch between PD fast charging mode and normal charging mode, the data conversion module is also electrically connected to the power communication module IO communication. The data conversion module synchronously communicates with the power communication module IO communication. The three-terminal contact backend device communicates and shakes hands with the power communication module and the external charging adapter through the data conversion module to determine whether the three-terminal device enters PD fast charging mode and normal charging mode, thereby realizing the PD charging function of the three-terminal device.

[0016] The above description is merely illustrative of the embodiments of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model without creative labor should be included within the protection scope of this utility model.

Claims

1. A three-terminal contact interface conversion device for USB and fast charging functions, comprising three terminals: GND contact, VCC contact, and communication contact, wherein the charging interface is electrically connected to the GND contact and VCC contact via a power communication module, characterized in that: It also includes a data conversion module electrically connected to the GND contact and communication contact, a serial-to-USB module electrically connected to the serial communication of the data conversion module, and a USB interface electrically connected to the serial-to-USB module; the power communication module block is also electrically connected to the data conversion module and the serial-to-USB module respectively to provide power.

2. The three-terminal contact interface conversion device for USB and fast charging functions according to claim 1, characterized in that: The data conversion module is also electrically connected to the power communication module (IO).

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