Multi-rate compatible vehicle-mounted Ethernet-to-USB (Universal Serial Bus) device

Abstract

The utility model relates to a multi-rate compatible vehicle-mounted Ethernet-to-USB (Universal Serial Bus) device, which comprises a standard USB3.0 interface connected to test equipment and a computer end and used for transmitting data and receiving a power supply; the converter is used for receiving the data signal and the Ethernet signal and converting the USB signal and the RGMII signal; the Ethernet transceiver is used for receiving and transmitting a physical layer of data; a connector to which an Ethernet cable is connected; and the dial switch is used for selecting a working mode of the detection equipment and a network data transmission rate, and the working mode comprises a master mode and a slave mode. According to the invention, when data transmission connection is carried out between the Ethernet and the test equipment, the Ethernet and the test equipment can be connected through a conventional USB interface, independent power supply is not needed, and the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle-mounted network, in particular to a multi-rate compatible vehicle-mounted Ethernet to USB device. BACKGROUND

[0002] The vehicle-mounted Ethernet is used for providing networked electronic devices on the automobile, and can meet the networking needs of the vehicle.

[0003] In the related art, the new energy automobile increases the networked devices requiring the vehicle-mounted Ethernet, and therefore the test demand also increases, the interaction between the Ethernet and the computer or the test device is more and more, and the current side-view device has many limitations in use due to the problems of port, separate power supply, and rate cannot be supported. The current test device mainly converts the standard Ethernet interface to the vehicle-mounted Ethernet interface.

[0004] In the related art, when converting the standard Ethernet interface to the vehicle-mounted Ethernet interface, the device needs to be powered independently, and the standard Ethernet port is lacking on the test device, which is relatively inconvenient to use. CONTENT OF THE INVENTION

[0005] In order to solve the technical problems in the related art, the present application provides a multi-rate compatible vehicle-mounted Ethernet to USB device.

[0006] The multi-rate compatible vehicle-mounted Ethernet to USB device provided by the present application adopts the following technical scheme:

[0007] A multi-rate compatible vehicle-mounted Ethernet to USB device comprises:

[0008] A standard USB3.0 interface is connected to a test device and a computer end, and is used for transmitting data and receiving a power supply;

[0009] A converter receives a data signal and an Ethernet signal, and converts a USB signal and an RGMII signal;

[0010] An Ethernet transceiver is used for physical layer reception and transmission of data;

[0011] A connector is used for connecting an Ethernet cable;

[0012] A code switch is used for selecting a detection device working mode and a network data transmission rate, and the working mode comprises a master mode and a slave mode.

[0013] Through the above technical scheme, the USB3.0 interface can supply power while connecting data transmission between the test equipment and the computer, so that separate power supply is not needed during use, and the USB3.0 interface can complete network data transmission through the cooperation of the converter, the Ethernet transceiver and the connector, and even the test equipment without a standard Ethernet interface can be used, which is more convenient.

[0014] Optionally, the network data transmission rate of the dial switch is 100M or 1000M.

[0015] Through the above technical scheme, the corresponding 100M or 1000M network data transmission rate is set according to the need, so as to adapt to different use occasions and meet the use of different test equipment.

[0016] Optionally, the data transmission rate of the Ethernet transceiver receiving data is 1Gbps or 1Mbps.

[0017] Through the above technical scheme, when the Ethernet transceiver uses different data transmission rates, it can be used with the dial switch with different network data transmission rates, so that the network data transmission rates can be adapted to each other, and the stability of network transmission is improved.

[0018] Optionally, the Ethernet transceiver is a single-port transceiver.

[0019] Through the above technical scheme, when the single-port transceiver is used as the Ethernet receiver, the interaction between data can be efficiently separated, the security risk is reduced, and the stability of data transmission is increased.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1. The USB3.0 interface can supply power while connecting data transmission between the test equipment and the computer, so that separate power supply is not needed during use, and the USB3.0 interface can complete network data transmission through the cooperation of the converter, the Ethernet transceiver and the connector, and even the test equipment without a standard Ethernet interface can be used, which is more convenient.

[0022] 2. The corresponding 100M or 1000M network data transmission rate is set according to the need, so as to adapt to different use occasions and meet the use of different test equipment.

[0023] 3. When the single-port transceiver is used as the Ethernet receiver, the interaction between data can be efficiently separated, the security risk is reduced, and the stability of data transmission is increased. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the overall connection framework diagram of the multi-rate compatible vehicle-mounted Ethernet to USB device in the present application.

[0025] Figure 2 is the connection framework diagram of the Ethernet transceiver and the DIP switch in the present application. DETAILED DESCRIPTION

[0026] The following description will be made in conjunction with the accompanying Figures 1-2 The present application is further described in detail.

[0027] The embodiment of the present application discloses a multi-rate compatible vehicle-mounted Ethernet to USB device. Referring to Figure 1 The multi-rate compatible vehicle-mounted Ethernet to USB device comprises a standard USB3.0 interface, a converter, an Ethernet transceiver, a connector and a DIP switch. The standard USB3.0 is connected between a test device and a computer end, and obtains a power supply from the computer end. The converter is connected with the standard USB3.0 interface, and is used for converting a USB signal into a REMI interface signal. The Ethernet transceiver is used for receiving physical layer data transmission. The connector is used for connecting with an Ethernet terminal. The DIP switch is used for selecting a working mode of the test device and a network data transmission rate. Therefore, when connecting the vehicle-mounted Ethernet and the test device, no additional power supply is needed, and the device without a standard Ethernet interface can be used.

[0028] In the embodiment, the converter is a USB conversion chip, and the specific model is LAN7801. The converter can be used as a gigabit Ethernet bridge, and provides a super-high-performance USB to RGMII connection. It should be noted that RGMII represents a reduced GMII type interface. The standard USB3.0 interface is a universal serial bus 3.0 data interface, and the type is a standard A type.

[0029] The Ethernet transceiver is specifically an Ethernet chip of JL3111, and is a single-port transmission type. The Ethernet transceiver has the advantage of improving the stability of data transmission. In addition, the Ethernet transceiver supports a data transmission rate of 1Gbps or 100Mbps, and realizes the physical layer function of data transmission.

[0030] The connector is specifically a T1 type connector, and is used as a wiring terminal to realize the connection of the vehicle-mounted Ethernet.

[0031] In addition, the DIP switch can select a specific working mode of the test device. The working mode includes a master mode and a slave mode. The DIP switch can also select different network data transmission rates. The selectable network data transmission rates include rates of 100 megabytes and 1000 megabytes. A user can select according to actual test work needs.

[0032] The mode of the dial switch and the rate switching frame structure are as shown in Figure 2 The default mode is 11, and the switch description is as follows: mode switching switch: 1 represents slave mode, and 0 represents master mode. Rate: 1 represents 1000M data transmission rate, and 0 represents 100M data transmission rate. Before adjustment, the vehicle Ethernet line and the T1 connector need to be connected according to the positive and negative requirements.

[0033] The implementation principle of the embodiment of the multi-rate compatible vehicle Ethernet to USB device is as follows: interconnect the USB port of the conversion device and the USB port of the computer, and power on the device under test, so that the device and the computer end network connection intercommunication, the standard USB 3.0 interface directly obtains the power supply from the computer end, so that additional power supply is not needed, under the cooperation of the converter and the Ethernet transceiver, the network data transmission of the USB interface is realized, the old standard Ethernet interface does not need to be configured, the network data transmission can be completed through the USB interface, and the dial switch can be used to make the network data transmission rate meet the demand.

[0034] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A multi-rate compatible vehicle Ethernet to USB device, characterized in that, The application relates to a USB3.0 to RGMII converter. The standard USB3.0 interface is connected to a test device and a computer end, is used for transmitting data and receiving a power supply; The converter receives data signals and Ethernet signals, converts USB signals and RGMII signals; The Ethernet transceiver is used for physical layer receiving and transmitting data; The connector is used for connecting an Ethernet cable; The DIP switch is used for selecting a detection device working mode and a network data transmission rate, wherein the working mode comprises a master mode and a slave mode.

2. A multi-rate compatible vehicle-mounted Ethernet-to-USB device according to claim 1, wherein: The network data transmission rate of the DIP switch is 100M or 1000M.

3. A multi-rate compatible vehicle-mounted Ethernet-to-USB device according to claim 1, wherein: The data transmission rate of the Ethernet transceiver receiving data is 1Gbps or 1Mbps.

4. The multi-rate compatible vehicle Ethernet to USB device of claim 1, wherein: The Ethernet transceiver is a single-port transceiver.

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