USBA-C transmission line with separated signal and electricity paths

By designing the dual-channel separate USBA-C transmission line of Xundian, the problem of fast charging testing equipment requiring additional independent power connection during fast charging testing is solved, and the communication between the computer and the fast charging testing equipment is realized and independent power supply is provided, reducing production costs.

CN222839200UActive Publication Date: 2025-05-06SHENZHEN XUNKEDA INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421419297.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-05-06
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

When performing fast charging tests, existing fast charging test equipment needs to communicate with the computer and provide a high-power power supply. However, the computer's USB 3.0 output power is insufficient, resulting in an additional independent power connection, which increases production costs.

Method used

Design a dual-channel separate USBA-C transmission line of the Switchboard, including a communication transmission line, a power transmission line, a USB Type-A female connector, a USB Type-C male connector and a USB Type-C female connector. These connectors enable the communication between the computer and the fast charging test device and powered by a separate power supply to avoid adding additional power connectors on the motherboard.

Benefits of technology

It realizes communication between computers and fast charging test equipment, and is powered by independent power supply, reducing the production cost of fast charging test equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a USB A-C transmission line with signal and electricity double-path separation, which comprises a communication transmission line, a power supply transmission line, a USB Type-A female end connector, a USB Type-C male end connector and a USB Type-C female end connector, the USB Type-C male end connector is connected with the USB Type-A female end connector through the communication transmission line, and the USB Type-C male end connector is connected with the USB Type-C female end connector through the power supply transmission line. According to the USBA-C transmission line with the signal and electricity double-path separation function, communication between a computer and the quick-charging test equipment and power supply to the quick-charging test equipment by an independent power supply can be realized only by arranging the USB Type-C connecting seat on the mainboard of the quick-charging test equipment, and a power supply connector does not need to be additionally arranged on the mainboard of the quick-charging test equipment; therefore, the production cost of the fast charging test equipment is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of data transmission lines, in particular to a USB A-C transmission line with dual-channel separation of communication and electricity. Background Art

[0002] With the development of fast charging technology for mobile phones and other electronic devices, USB-C cables can provide charging power of more than 60W. When performing fast charging tests, the fast charging test equipment needs to maintain communication with the computer while also requiring a high-power power supply. However, the output power of USB3.0 on a general computer is no more than 4.5W. Therefore, the computer cannot provide high-power power to the device while maintaining communication with the fast charging test equipment. At this time, an independent power supply is needed to power the fast charging test equipment.

[0003] Since an independent power supply is required to power the fast charging test equipment, the existing fast charging test equipment needs to add a power connector on the mainboard to connect to the independent power supply, thereby increasing the production cost of the fast charging test equipment. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a USB A-C transmission line with dual-channel separation of communication and electricity.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A USBA-C transmission cable with two-way separation of communication and electricity, comprising a communication transmission line, a power transmission line, a USB Type-A female connector for connecting to a host, a USB Type-C male connector for connecting to a charging test device, and a USB Type-C female connector for connecting to an independent power supply, wherein the USB Type-C male connector is connected to the USB Type-A female connector via the communication transmission line, and the USB Type-C male connector is connected to the USB Type-C female connector via the power transmission line.

[0007] Preferably, the GND pin of the USB Type-A female connector is connected to the A1 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

[0008] Preferably, the GND pin of the USB Type-A female connector is connected to the A1 pin and the B1 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

[0009] Preferably, the GND pin of the USB Type-A female connector is connected to the A1 pin, B1 pin, and A12 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

[0010] Preferably, the GND pin of the USB Type-A female connector is connected to the A1 pin, B1 pin, A12 pin, and B12 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

[0011] Preferably, the A1 pin of the USB Type-C male connector is connected to the A1 pin of the USB Type-C female connector, the B1 pin of the USB Type-C male connector is connected to the B1 pin of the USB Type-C female connector, the A4 pin of the USB Type-C male connector is connected to the A4 pin of the USB Type-C female connector, the B4 pin of the USB Type-C male connector is connected to the B4 pin of the USB Type-C female connector, the A5 pin of the USB Type-C male connector is connected to the A5 pin of the USB Type-C female connector, and the B5 pin of the USB Type-C male connector is connected to the B5 pin of the USB Type-C female connector.

[0012] Preferably, the A12 pin of the USB Type-C male connector is connected to the A12 pin of the USB Type-C female connector, the B12 pin of the USB Type-C male connector is connected to the B12 pin of the USB Type-C female connector, the A9 pin of the USB Type-C male connector is connected to the A9 pin of the USB Type-C female connector, the B9 pin of the USB Type-C male connector is connected to the B9 pin of the USB Type-C female connector, the A5 pin of the USB Type-C male connector is connected to the A5 pin of the USB Type-C female connector, and the B5 pin of the USB Type-C male connector is connected to the B5 pin of the USB Type-C female connector.

[0013] Preferably, the A1 pin of the USB Type-C male connector is connected to the A1 pin of the USB Type-C female connector, the B1 pin of the USB Type-C male connector is connected to the B1 pin of the USB Type-C female connector, the A12 pin of the USB Type-C male connector is connected to the A12 pin of the USB Type-C female connector, the B12 pin of the USB Type-C male connector is connected to the B12 pin of the USB Type-C female connector, the A4 pin of the USB Type-C male connector is connected to the A4 pin of the USB Type-C female connector, the B4 pin of the USB Type-C male connector is connected to the B4 pin of the USB Type-C female connector, the A9 pin of the USB Type-C male connector is connected to the A9 pin of the USB Type-C female connector, the B9 pin of the USB Type-C male connector is connected to the B9 pin of the USB Type-C female connector, and the A5 pin of the USB Type-C male connector is connected to the The A5 pin of the Type-C female connector is connected, and the B5 pin of the USB Type-C male connector is connected to the B5 pin of the USB Type-C female connector.

[0014] Preferably, the host is a computer.

[0015] Preferably, the charging test equipment is a fast charging test equipment.

[0016] The beneficial technical effect of the utility model is that: the above-mentioned USBA-C transmission cable with separated communication and electrical dual paths, its communication transmission line and power transmission line are both connected to the USB Type-C male connector, and it is only necessary to set a USB Type-C connector on the motherboard of the fast charging test device and connect it to the USB Type-C male connector, so as to realize the communication between the computer and the fast charging test device and the independent power supply to supply power to the fast charging test device, and there is no need to set an additional power connector on the motherboard of the fast charging test device, thereby saving the production cost of the fast charging test equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the USBA-C transmission line with dual-channel separation of communication and electricity of the utility model;

[0018] Figure 2 This is a pin diagram of the USB Type-C male connector of the present utility model;

[0019] Figure 3 This is a pin diagram of the USB Type-C female connector of the present utility model;

[0020] Figure 4 FIG. 1 is a pin diagram of the USB Type-A female connector of the present invention. DETAILED DESCRIPTION

[0021] In order to enable ordinary technicians in the field to more clearly understand the purpose, technical solutions and advantages of the utility model, the utility model is further explained below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1 As shown, in one embodiment of the present invention, the USB A-C transmission line with separated communication and power lines includes a communication transmission line 10, a power transmission line 20, a USB Type-A female connector P3, a USB Type-C male connector P1 and a USB Type-C female connector P2.

[0023] The USB Type-A female connector P3 is used to connect to the host, and the USB Type-C male connector P1 is used to connect to the charging test equipment. The USB Type-C male connector P1 is connected to the USB Type-A female connector P3 through the communication transmission line 10, so as to realize the communication connection between the host and the fast charging test equipment; the USB Type-C female connector P2 is used to connect to an independent power supply. The USB Type-C male connector P1 is connected to the USB Type-C female connector P2 through the power transmission line 20, so as to realize the independent power supply to the fast charging test equipment.

[0024] In this embodiment, the host is a computer; in other embodiments, the host may also be other intelligent terminals such as a pad, etc. The charging test device is a fast charging test device.

[0025] In one embodiment of the utility model, the GND pin of the USB Type-A female connector P3 is connected to the A1 pin of the USB Type-C male connector P1, the D+ pin of the USB Type-A female connector P3 is connected to the A6 pin of the USB Type-C male connector P1, the D- pin of the USB Type-A female connector P3 is connected to the A7 pin of the USB Type-C male connector P1, and the VCC pin of the USB Type-A female connector P3 is left vacant.

[0026] In another embodiment of the present invention, the GND pin of the USB Type-A female connector P3 is connected to the A1 pin and the B1 pin of the USB Type-C male connector P1, the D+ pin of the USB Type-A female connector P3 is connected to the A6 pin of the USB Type-C male connector P1, the D- pin of the USB Type-A female connector P3 is connected to the A7 pin of the USB Type-C male connector P1, and the VCC pin of the USB Type-A female connector P3 is left vacant.

[0027] In another embodiment of the utility model, the GND pin of the USB Type-A female connector P3 is connected to the A1 pin, B1 pin, and A12 pin of the USB Type-C male connector P1, the D+ pin of the USB Type-A female connector P3 is connected to the A6 pin of the USB Type-C male connector P1, the D- pin of the USB Type-A female connector P3 is connected to the A7 pin of the USB Type-C male connector P1, and the VCC pin of the USB Type-A female connector P3 is left vacant.

[0028] In another embodiment of the present invention, the GND pin of the USB Type-A female connector P3 is connected to the A1 pin, B1 pin, A12 pin, and B12 pin of the USB Type-C male connector P1, the D+ pin of the USB Type-A female connector P3 is connected to the A6 pin of the USB Type-C male connector P1, the D- pin of the USB Type-A female connector P3 is connected to the A7 pin of the USB Type-C male connector P1, and the VCC pin of the USB Type-A female connector P3 is left vacant.

[0029] In one embodiment of the utility model, the A1 pin of the USB Type-C male connector P1 is connected to the A1 pin of the USB Type-C female connector P2, the B1 pin of the USB Type-C male connector P1 is connected to the B1 pin of the USB Type-C female connector P2, the A4 pin of the USB Type-C male connector P1 is connected to the A4 pin of the USB Type-C female connector P2, the B4 pin of the USB Type-C male connector P1 is connected to the B4 pin of the USB Type-C female connector P2, the A5 pin of the USB Type-C male connector P1 is connected to the A5 pin of the USB Type-C female connector P2, and the B5 pin of the USB Type-C male connector P1 is connected to the B5 pin of the USB Type-C female connector P2.

[0030] In another embodiment of the utility model, the A12 pin of the USB Type-C male connector P1 is connected to the A12 pin of the USB Type-C female connector P2, the B12 pin of the USB Type-C male connector P1 is connected to the B12 pin of the USB Type-C female connector P2, the A9 pin of the USB Type-C male connector P1 is connected to the A9 pin of the USB Type-C female connector P2, the B9 pin of the USB Type-C male connector P1 is connected to the B9 pin of the USB Type-C female connector P2, the A5 pin of the USB Type-C male connector P1 is connected to the A5 pin of the USB Type-C female connector P2, and the B5 pin of the USB Type-C male connector P1 is connected to the B5 pin of the USB Type-C female connector P2.

[0031] In another embodiment of the utility model, the A1 pin of the USB Type-C male connector P1 is connected to the A1 pin of the USB Type-C female connector P2, the B1 pin of the USB Type-C male connector P1 is connected to the B1 pin of the USB Type-C female connector P2, the A12 pin of the USB Type-C male connector P1 is connected to the A12 pin of the USB Type-C female connector P2, the B12 pin of the USB Type-C male connector P1 is connected to the B12 pin of the USB Type-C female connector P2, the A4 pin of the USB Type-C male connector P1 is connected to the A4 pin of the USB Type-C female connector P2, the B4 pin of the USB Type-C male connector P1 is connected to the B4 pin of the USB Type-C female connector P2, the A9 pin of the USB Type-C male connector P1 is connected to the A9 pin of the USB Type-C female connector P2, and the B9 pin of the USB Type-C male connector P1 is connected to the USB The B9 pin of the Type-C female connector P2 is connected, the A5 pin of the USB Type-C male connector P1 is connected to the A5 pin of the USB Type-C female connector P2, and the B5 pin of the USB Type-C male connector P1 is connected to the B5 pin of the USB Type-C female connector P2.

[0032] The beneficial technical effect of the present invention is that the communication transmission line and the power transmission line of the USBA-C transmission line with separated communication and electrical dual paths are both connected to the USB Type-C male connector. It only needs to set a USB Type-C connector on the motherboard of the fast charging test device to connect with the USB Type-C male connector, so as to realize the communication between the computer and the fast charging test device and the independent power supply to power the fast charging test device. There is no need to set an additional power connector on the motherboard of the fast charging test device, thereby saving the production cost of the fast charging test equipment.

[0033] The above description is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Those skilled in the art can make various equivalent changes and improvements based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims should fall within the protection scope of the utility model.

Claims

1. A USB A-C transmission cable with two-way separation of communication and electricity, characterized by: The USBA-C transmission cable with separated communication and electrical dual channels includes a communication transmission line, a power transmission line, a USB Type-A female connector for connecting to a host, a USB Type-C male connector for connecting to a charging test device, and a USB Type-C female connector for connecting to an independent power source. The USB Type-C male connector is connected to the USB Type-A female connector through the communication transmission line, and the USB Type-C male connector is connected to the USB Type-C female connector through the power transmission line.

2. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in claim 1, characterized in that: The GND pin of the USB Type-A female connector is connected to the A1 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

3. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in claim 1, characterized in that: The GND pin of the USB Type-A female connector is connected to the A1 pin and the B1 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

4. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in claim 1, characterized in that: The GND pin of the USB Type-A female connector is connected to the A1 pin, B1 pin, and A12 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

5. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in claim 1, characterized in that: The GND pin of the USB Type-A female connector is connected to the A1 pin, B1 pin, A12 pin, and B12 pin of the USB Type-C male connector, the D+ pin of the USB Type-A female connector is connected to the A6 pin of the USB Type-C male connector, and the D- pin of the USB Type-A female connector is connected to the A7 pin of the USB Type-C male connector.

6. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in any one of claims 1 to 5, characterized in that: The A1 pin of the USB Type-C male connector is connected to the A1 pin of the USB Type-C female connector, the B1 pin of the USB Type-C male connector is connected to the B1 pin of the USB Type-C female connector, the A4 pin of the USB Type-C male connector is connected to the A4 pin of the USB Type-C female connector, the B4 pin of the USB Type-C male connector is connected to the B4 pin of the USB Type-C female connector, the A5 pin of the USB Type-C male connector is connected to the A5 pin of the USB Type-C female connector, and the B5 pin of the USB Type-C male connector is connected to the B5 pin of the USB Type-C female connector.

7. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in any one of claims 1 to 5, characterized in that: The A12 pin of the USB Type-C male connector is connected to the A12 pin of the USB Type-C female connector, the B12 pin of the USB Type-C male connector is connected to the B12 pin of the USB Type-C female connector, the A9 pin of the USB Type-C male connector is connected to the A9 pin of the USB Type-C female connector, the B9 pin of the USB Type-C male connector is connected to the B9 pin of the USB Type-C female connector, the A5 pin of the USB Type-C male connector is connected to the A5 pin of the USB Type-C female connector, and the B5 pin of the USB Type-C male connector is connected to the B5 pin of the USB Type-C female connector.

8. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in any one of claims 1 to 5, characterized in that: The A1 pin of the USB Type-C male connector is connected to the A1 pin of the USB Type-C female connector, the B1 pin of the USB Type-C male connector is connected to the B1 pin of the USB Type-C female connector, the A12 pin of the USB Type-C male connector is connected to the A12 pin of the USB Type-C female connector, the B12 pin of the USB Type-C male connector is connected to the B12 pin of the USB Type-C female connector, the A4 pin of the USB Type-C male connector is connected to the A4 pin of the USB Type-C female connector, the B4 pin of the USB Type-C male connector is connected to the B4 pin of the USB Type-C female connector, the A9 pin of the USB Type-C male connector is connected to the A9 pin of the USB Type-C female connector, the B9 pin of the USB Type-C male connector is connected to the B9 pin of the USB Type-C female connector, and the A5 pin of the USB Type-C male connector is connected to the USB The A5 pin of the Type-C female connector is connected, and the B5 pin of the USB Type-C male connector is connected to the B5 pin of the USB Type-C female connector.

9. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in claim 1, characterized in that: The host is a computer.

10. The USB A-C transmission cable with two-way separation of communication and electricity as claimed in claim 9, characterized in that: The charging test equipment is a fast charging test equipment.