CN218585319U - Vehicle-mounted Ethernet adapter plate and multi-path vehicle-mounted Ethernet equipment communication system - Google Patents
Vehicle-mounted Ethernet adapter plate and multi-path vehicle-mounted Ethernet equipment communication system Download PDFInfo
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Abstract
The utility model provides a vehicle-mounted Ethernet keysets and multichannel vehicle-mounted Ethernet equipment communication system, it realizes compatible hundred million vehicle-mounted Ethernet and the network interface switching of the on-vehicle Ethernet of giga through low-cost high performance hardware scheme to conveniently communicate with on-vehicle Ethernet, including being connected: the first vehicle-mounted Ethernet signal conversion module is connected with the vehicle-mounted Ethernet equipment through a kilomega vehicle-mounted Ethernet interface, and can convert the vehicle-mounted Ethernet signal from the vehicle-mounted Ethernet interface to an RGMII interface for transmission; the second vehicle-mounted Ethernet signal conversion module is connected with the first vehicle-mounted Ethernet signal conversion module, and can convert the vehicle-mounted Ethernet signal from an RGMII interface to an RJ45 interface for transmission and is used for transmitting the vehicle-mounted Ethernet signal; the MCU module is used for switching the support of the first vehicle-mounted Ethernet signal conversion module on gigabit vehicle-mounted Ethernet signals and hundred-megabyte vehicle-mounted Ethernet signals.
Description
Technical Field
The utility model relates to a vehicle-mounted ethernet technical field, concretely relates to vehicle-mounted ethernet keysets and multichannel vehicle-mounted ethernet equipment communication system.
Background
In recent years, with the development of the automobile industry, a series of advanced driving assistance functions have been sprayed. In order to meet the requirements, a severe test is brought to the traditional electronic appliance architecture, more and more electronic components are required to participate in information interaction, and therefore more strict challenges are provided for the aspects of network transmission rate, stability, load rate and the like. In addition, with the increasing demand of people on automobile multimedia and audio-visual systems, although various audio-visual systems exist at present, with the acceleration of the electric progress of automobiles, scenes of controlling vehicles and interacting with each other by mobile phones are continuously expanded, and the networking demand is expected to be continuously expanded in the future, and the networking demand inside or outside automobiles is different, so that the importance of more network bandwidths is provided.
For this reason, the in-vehicle ethernet comes. Firstly, one of the primary advantages of ethernet is that it supports multiple network media, and thus can be used in the automotive field; meanwhile, as the physical medium is irrelevant to the protocol, the vehicle-mounted Ethernet protocol can be correspondingly adjusted and expanded in the field of automobiles to form a whole set of vehicle-mounted Ethernet protocol, and the protocol can be continuously developed and used for a long time in the future.
Due to the essential difference between the vehicle-mounted ethernet (hereinafter referred to as T1) and the conventional ethernet, the following problems often exist in the development of the vehicle-mounted ethernet, which indirectly affect the project development node:
1. the vehicle-mounted Ethernet adapter plate can support 1000Base-T1 (hereinafter referred to as gigabit T1), is difficult to buy in the market, is very expensive and is difficult to buy in a large amount for developing the vehicle-mounted Ethernet;
2. the commercially available vehicle-mounted Ethernet adapter plate has poor stability due to uneven hardware scheme layers, and the problem that the vehicle-mounted Ethernet adapter plate is a product to be tested or the adapter plate can not be distinguished in actual test often, so that great inconvenience is brought to the research and development of the Ethernet part of a vehicle-mounted product;
3. almost no vehicle-mounted Ethernet adapter board in the market can be compatible with hundred million T1 and kilomega T1;
4. in addition, when a vehicle-mounted Ethernet is researched and developed, an embedded engineer can use terminal debugging equipment of the USB-TTL at the same time, so that physical connection is messy in an actual debugging process, most of the purchased USB-TTL terminals support 3.3V signal level and cannot be used for 1.8V, and terminal debugging equipment which is possibly burnt is mistakenly used.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a vehicle-mounted ethernet keysets and multichannel vehicle-mounted ethernet equipment communication system, its network interface switching through low-cost high performance hardware scheme realization compatible hundred million on-vehicle ethernet and the on-vehicle ethernet of giga to conveniently communicate with on-vehicle ethernet.
The technical scheme is as follows: a vehicle-mounted Ethernet adapter plate is characterized by comprising the following connected components:
the first vehicle-mounted Ethernet signal conversion module is connected with the vehicle-mounted Ethernet equipment through a kilomega vehicle-mounted Ethernet interface and can convert a vehicle-mounted Ethernet signal from the vehicle-mounted Ethernet interface to an RGMII interface for transmission;
the second vehicle-mounted Ethernet signal conversion module is connected with the first vehicle-mounted Ethernet signal conversion module, and the second vehicle-mounted Ethernet signal conversion module can convert a vehicle-mounted Ethernet signal from an RGMII interface to an RJ45 interface for transmission and is used for transmitting a vehicle-mounted Ethernet network signal;
and the MCU module is respectively connected with the first vehicle-mounted Ethernet signal conversion module and the second vehicle-mounted Ethernet signal conversion module and is used for switching the support of the first vehicle-mounted Ethernet signal conversion module on kilomega vehicle-mounted Ethernet signals and hundred-mega vehicle-mounted Ethernet signals.
Further, the MCU module is connected to a first dial switch, and the first vehicle-mounted ethernet signal conversion module switches the configuration of the gigabit vehicle-mounted ethernet/the hundred megabyte vehicle-mounted ethernet via the first dial switch.
Further, the first vehicle-mounted ethernet signal conversion module is connected with a second dial switch, and the second dial switch is used for switching a Master/Slave working mode of the vehicle-mounted ethernet.
The USB-TTL module supplies power to the adapter plate through a USB interface, can be connected with a debugging port of the vehicle-mounted Ethernet equipment through the TTL interface, and is connected with a PC through the USB interface and used for transmitting debugging signals.
Further, the USB-TTL module includes an interface chip U2, the model of the interface chip U2 is CP2102, the USB-TTL module provides 5V voltage through a USB interface, and the USB-TTL module obtains 1.8V/3.3V voltage through voltage conversion chip conversion.
Further, the first vehicle-mounted ethernet signal conversion module and the second vehicle-mounted ethernet signal conversion module respectively employ PHY chips.
Further, the first vehicle-mounted ethernet signal conversion module comprises a T1-PHY chip, and the model of the T1-PHY chip is RTL9010.
Further, the second vehicle-mounted ethernet signal conversion module comprises a TX-PHY chip, and the model of the TX-PHY chip is DP83867.
Further, the first vehicle-mounted Ethernet signal conversion module is connected with vehicle-mounted Ethernet equipment through a 1000Base-T1 connector.
A multi-path vehicle-mounted Ethernet equipment communication system is characterized in that a plurality of vehicle-mounted Ethernet adapter plates are connected with multi-path vehicle-mounted Ethernet equipment, the multi-path vehicle-mounted Ethernet adapter plates are respectively connected to a switch, and the switch is connected with a PC host.
The utility model discloses a vehicle-mounted Ethernet keysets, through the network interface switching that low-cost high performance hardware scheme realized compatible hundred million vehicle-mounted Ethernet and giga vehicle-mounted Ethernet to conveniently communicate with vehicle-mounted Ethernet, can simply switch through the switch, convert hundred million vehicle-mounted Ethernet/giga vehicle-mounted Ethernet's vehicle-mounted Ethernet interface into standard RJ45 interface and directly be used for PC end debugging; and, the utility model discloses an on-vehicle ethernet keysets, the ordinary switch of accessible and a plurality of this keysets combination can realize single PC and the communication of multichannel on-vehicle ethernet equipment, found multichannel on-vehicle ethernet equipment communication system, in addition, the utility model discloses an on-vehicle ethernet keysets possesses compatible 1.8V and 3.3V's USB-TTL debugging terminal when passing through the power supply of USB interface, has also improved the stability of debugging equipment when simplifying the physical connection.
Drawings
Fig. 1 is a block diagram of a vehicle-mounted ethernet adapter plate according to the present invention;
fig. 2 is a hardware block diagram of a vehicle-mounted ethernet adapter board in the embodiment;
fig. 3 is a schematic circuit diagram of a first vehicle-mounted ethernet signal conversion module in an embodiment;
fig. 4 is a schematic circuit diagram of a second vehicle-mounted ethernet signal conversion module in the embodiment;
fig. 5 is a circuit schematic diagram of an RJ45 interface in an embodiment;
FIG. 6 is a circuit schematic of the MUC module in an embodiment;
FIG. 7 is a schematic circuit diagram of a USB-TTL module in an embodiment;
FIG. 8 is a circuit schematic of a first dip switch in an embodiment;
FIG. 9 is a circuit schematic of a second dip switch in an embodiment;
fig. 10 is a schematic circuit diagram of the TTL connector J11 in the embodiment;
fig. 11 is a schematic circuit diagram of the voltage conversion chip U3 in the embodiment;
fig. 12 is a schematic circuit diagram of the voltage conversion chip U4 in the embodiment;
fig. 13 is a schematic circuit diagram of the voltage conversion chip U5 in the embodiment;
fig. 14 is a schematic circuit diagram of the connector J2 in the embodiment.
Detailed Description
For making the technical problem solved by the utility model, the technical scheme of adoption and the technical effect who reaches more clear, it is right below the technical scheme of the embodiment of the utility model makes further detailed description. In the description herein, references to the terms "embodiment" or the like mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
See fig. 1, the utility model discloses a vehicle-mounted ethernet keysets, including being connected:
the first vehicle-mounted Ethernet signal conversion module 1 is connected with vehicle-mounted Ethernet equipment through a gigabit vehicle-mounted Ethernet interface, and the first vehicle-mounted Ethernet signal conversion module 1 can convert a vehicle-mounted Ethernet signal from the vehicle-mounted Ethernet interface to an RGMII interface for transmission;
the second vehicle-mounted Ethernet signal conversion module 2 is connected with the first vehicle-mounted Ethernet signal conversion module 1, and the second vehicle-mounted Ethernet signal conversion module 2 can convert the vehicle-mounted Ethernet signal from an RGMII interface to an RJ45 interface for transmission and is used for transmitting the vehicle-mounted Ethernet network signal;
the MCU module 3 and the MCU module 3 are respectively connected with the first vehicle-mounted Ethernet signal conversion module 1 and the second vehicle-mounted Ethernet signal conversion module 2 and are used for switching the support of the first vehicle-mounted Ethernet signal conversion module 1 on kilomega vehicle-mounted Ethernet signals and hundred-mega vehicle-mounted Ethernet signals;
the USB-TTL module 4 is used for supplying power to the adapter plate through the USB interface, the USB-TTL module 4 can be connected with the vehicle-mounted Ethernet through the TTL interface, and the USB-TTL module 4 is connected with the USB-TTL terminal debugging equipment and used for transmitting debugging signals.
Referring to fig. 2 to 14, in particular, in an embodiment of the present invention, the first vehicle-mounted ethernet signal conversion module includes a T1-PHY chip U6, the model of the T1-PHY chip U6 is RTL9010, the T1-PHY chip U6 is connected to the vehicle-mounted ethernet device through a gigabit vehicle-mounted ethernet interface, ports 18 and 19 of the T1-PHY chip U6 are used for connecting a 1000Base-T1 connector J3, in particular, in this embodiment, the 1000Base-T1 connector J3 adopts a Z-snap connector of john, the vehicle-mounted ethernet connector can avoid this situation with different colors and corresponding fool-proof designs to prevent mutual errors of the same connectors, and the adapter board in this embodiment uses a universal snap position to match with all color connectors of the same series.
The T1-PHY chip U6 can convert the vehicle-mounted Ethernet signals from the 1000Base-T1 interface to the RGMII interface for transmission, and the specific connection of the T1-PHY chip U6 and the 1000Base-T1 connector J3 comprises the following steps: ports 18 and 19 of the T1-PHY chip U6 are respectively connected to ports 1 and 2 of the D8, the D8 is a TVS device for electrostatic protection, then the D8 is connected to ports 1 and 4 of the L3, ports 2 and 3 of the L3 are respectively connected to capacitors C32 and C33 and then connected to ports 2 and 1 of a 1000Base-T1 connector J3, the L3 is a common-mode inductor for large current injection (BCI) protection, ports 3, 4, 5, 6, 7 and 8 of the 1000Base-T1 connector J3 are grounded, ports 2 of the 1000Base-T1 connector J3 are connected to a resistor R27 and a capacitor C40 in parallel and then grounded, a port 1 of the 1000Base-T1 connector J3 is connected to a resistor R128 and a resistor R127 in parallel and then grounded, and a lead wire between the resistors R27 and C40 and the resistor R33 is connected between the resistors R26 and R127.
The second vehicle-mounted ethernet signal conversion module is connected to the first vehicle-mounted ethernet signal conversion module, and in this embodiment, specifically, the second vehicle-mounted ethernet signal conversion module includes a TX-PHY chip U7, where the model of the TX-PHY chip U7 is DP83867, the T1-PHY chip U6 is connected to the TX-PHY chip U7, ports 29, 28, 27, 26, 25, and 23 of the T1-PHY chip U6 are connected to ports 40, 38, 37, 36, 35, and 52 of the TX-PHY chip U7, and ports 36, 35, 34, 33, 32, and 31 of the T1-PHY chip U6 are connected to ports 44, 45, 46, 47, 53, and 43 of the TX-PHY chip U7.
The second on-board ethernet signal conversion module can convert the on-board ethernet signal from the RGMII interface to the RJ45 interface for transmission, and is configured to transmit the on-board ethernet network signal, in this embodiment, specifically, the 2, 3, 5, 6 ports of the TX-PHY chip U7 are connected to the 1, 2, 4, 5 ports of the U8, the 10, 11, 13, 14 ports of the TX-PHY chip U7 are connected to the 1, 2, 4, 5 ports of the U9, the 10, 9, 7, 6 ports of the U8 are respectively connected to the 2, 3, 4, 5 ports of the RJ45 interface J5, the 10, 9, 7, 6 ports of the U9 are respectively connected to the 6, 7, 8, 9 ports of the RJ45 interface J5, the RJ45 employs a gigabit network port with a network transformer to meet the gigabit bandwidth requirement, the U8 and U9 are ethernet signal line electrostatic protection TVS devices, and the model is TPD4E05U06 qdqdqdq1.
The first vehicle-mounted Ethernet signal conversion module is connected with a second dial switch, the second dial switch is used for switching a Master/Slave working mode of the vehicle-mounted Ethernet, in the embodiment, a port 25 of the T1-PHY chip U6 is also connected to a port 2 of the second dial switch J4, ports 1 and 3 of the second dial switch J4 respectively correspond to Master and Slave modes of the vehicle-mounted Ethernet, and the Master/Slave working mode of the vehicle-mounted Ethernet is correspondingly switched by adjusting the second dial switch J4.
The MCU module is respectively connected with the first vehicle-mounted Ethernet signal conversion module and the second vehicle-mounted Ethernet signal conversion module and is used for switching the support of the first vehicle-mounted Ethernet signal conversion module on gigabit vehicle-mounted Ethernet signals and hundred-megabyte vehicle-mounted Ethernet signals, ports 12 and 11 of the MCU chip U10 are respectively connected with ports 45 and 46 of the T1-PHY chip U6 and ports 21 and 20 of the TX-PHY chip U7, and the model of the MCU chip U10 in the embodiment is S9S08DZ16F1MLC;
the MCU module is connected to a first dial switch, the first vehicle-mounted ethernet signal conversion module switches the configuration of the gigabit vehicle-mounted ethernet/the hundred-megabyte vehicle-mounted ethernet through the first dial switch, specifically in this embodiment, 18 ports of the MCU chip U10 are connected to 2 ports of the first dial switch J6, and 1 and 3 ports of the first dial switch J6 correspond to the configurations of the hundred-megabyte vehicle-mounted ethernet 100Base-T and the gigabit vehicle-mounted ethernet 1000Base-T1, respectively.
The embodiment of the utility model provides an in, still include USB-TTL module, USB-TTL module supplies power for the keysets through the USB interface, and USB-TTL module can pass through the debugging port of TTL interface connection on-vehicle ethernet equipment, and USB-TTL module passes through USB interface connection PC for the transmission debugging signal.
The USB-TTL module comprises an interface chip U2, the model of the interface chip U2 is CP2102, ports 3 and 4 of the interface chip U2 are respectively connected to ports 3 and 2 of a USB connector J1, ports 20 and 21 of the interface chip U2 are respectively connected to ports 3 and 2 of a TTL connector J11, the TTL connector J11 is used for debugging ports of vehicle-mounted Ethernet equipment, and the USB-TTL module is connected with a PC through the USB connector J1 and used for transmitting debugging signals.
The USB-TTL module provides 5V voltage through a USB interface, the USB-TTL module obtains 1.8V/3.3V voltage through conversion of a voltage conversion chip, specifically, a port 1 of a USB connector J1 is connected with an F1, a port 2 and a port 3 of the USB connector J1 are connected with ports 5 and 3 of a voltage conversion chip U1, a port 4 of the USB connector J1 is grounded, a port 1 of the voltage conversion chip U1 is connected with a port 4 of the voltage VBUS _5V, and a port 4 of the voltage conversion chip U1 is grounded, and the model of the voltage conversion chip U1 is TPD2E001.
The voltage conversion chip comprises a voltage conversion chip U3, the voltage conversion chip U3 is used for converting to obtain 2.5V voltage, a port 1 of the voltage conversion chip U3 is connected with 5V voltage VBUS _5V, a port 5 of the voltage conversion chip U3 outputs 2.5V voltage VCC _2V5, a port 3 of the voltage conversion chip U3 is connected with the port 1, a port 2 of the voltage conversion chip U3 is grounded, capacitors C11 and C12 are connected between the port 1 and the port 2 of the voltage conversion chip U3, a port 4 of the voltage conversion chip U3 is grounded after being connected with a capacitor C19, and the type of U3 is TLV70025.
The voltage conversion chip comprises a voltage conversion chip U5, the voltage conversion chip U5 is used for converting to obtain 1.1V and 3.3V voltages, a 3 port of the voltage conversion chip U5 is connected with a voltage VBUS _5V, a 6 port of the voltage conversion chip U5 is connected with an inductor L1 and then outputs a 1.1V voltage VCC _1V1, a 10 port of the voltage conversion chip U5 is connected with an inductor L2 and then outputs a 3.3V voltage VCC _3V3, and the model of U5 is TPS62410.
The voltage conversion chip comprises a voltage conversion chip U4, 3.3V voltage VCC _3V3 is connected to 3 ports of the voltage conversion chip U4, 1.8V voltage VCC _1V8 is output from 5 ports of the voltage conversion chip U4, a connector J2 is further arranged in the embodiment, 1 port and 3 ports of the connector J2 respectively correspond to 3.3V voltage VCC _3V3 and 1.8V voltage VCC _1V8, 1.8V/3.3V level switching can be realized through tripping, and the model of U4 is TLV70018.
The USB interface of the USB-TTL module is directly connected with a computer, on one hand, the USB interface supplies power to the vehicle-mounted Ethernet adapter plate, on the other hand, the USB-TTL module is used for realizing communication with the U2 chip and converting the communication into communication between the TTL interface and a debugging port of vehicle-mounted Ethernet equipment, and the USB-TTL function can also be independently used in other application scenes of the USB-TTL; the TTL port is typically connected to a TTL debug port of a debuggee device, such as a vehicle-mounted ethernet device.
USB-TTL terminal debugging equipment is commercially available equipment, most of the USB-TTL terminal debugging equipment only supports a 3.3V level and is unstable in work; the CP2102 interface chip in the vehicle-mounted ethernet adapter board provided in this embodiment is a core device for implementing a USB-TTL function, and can implement a USB-TTL function on a current adapter board, and obtain 1.8V and 3.3V voltages through conversion of the voltage conversion chip, where the 1.8V and 3.3V voltages can be switched at will according to requirements, and the operation is very stable, and in this embodiment, the USB-TTL function is implemented through the CP2102 interface chip, thereby facilitating transmission of company debugging signals, and simultaneously, the independent switching of 1.8V/3.3V signal levels can be implemented, and some products of different vehicle-mounted ethernet products are limited by a hardware scheme on a serial port debugging interface circuit design are 1.8V levels, and some products are 3.3V levels, so the USB-TTL debugging terminal needs to make an adaptation according to a product design.
Other ports of each module in the embodiment are some conventional peripheral circuits set according to an operation manual, and specific connection relations can be obtained by referring to the circuit schematic diagrams given in fig. 3 to 9, which are not described one by one here.
The utility model discloses a vehicle-mounted Ethernet keysets, through the network interface switching that low-cost high performance hardware scheme realized compatible hundred million vehicle-mounted Ethernet and giga vehicle-mounted Ethernet to conveniently communicate with vehicle-mounted Ethernet, can simply switch through the switch, convert hundred million vehicle-mounted Ethernet/giga vehicle-mounted Ethernet's vehicle-mounted Ethernet interface into standard RJ45 interface and directly be used for PC end debugging; and, the utility model discloses an on-vehicle ethernet keysets, the ordinary switch of accessible and a plurality of this keysets combination can realize single PC and the communication of multichannel on-vehicle ethernet equipment, found multichannel on-vehicle ethernet equipment communication system, in addition, the utility model discloses an on-vehicle ethernet keysets possesses compatible 1.8V and 3.3V's USB-TTL debugging terminal when passing through the power supply of USB interface, has also improved the stability of debugging equipment when simplifying the physics and connecting.
The embodiment of the utility model provides an in the embodiment, still provide a multichannel on-vehicle ethernet equipment communication system, connect multichannel on-vehicle ethernet equipment through a plurality of foretell on-vehicle ethernet keysets, multichannel on-vehicle ethernet keysets is connected to the switch respectively, and the switch is connected with the PC, and single PC and the communication of multichannel on-vehicle ethernet equipment can be realized with a plurality of this keysets combinations to the ordinary switch of system accessible.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (10)
1. A vehicle-mounted Ethernet adapter plate is characterized by comprising the following connected components:
the first vehicle-mounted Ethernet signal conversion module is connected with the vehicle-mounted Ethernet equipment through a gigabit vehicle-mounted Ethernet interface, and can convert a vehicle-mounted Ethernet signal from the vehicle-mounted Ethernet interface to an RGMII interface for transmission;
the second vehicle-mounted Ethernet signal conversion module is connected with the first vehicle-mounted Ethernet signal conversion module, and can convert the vehicle-mounted Ethernet signal from an RGMII interface to an RJ45 interface for transmission and is used for transmitting the vehicle-mounted Ethernet network signal;
and the MCU module is respectively connected with the first vehicle-mounted Ethernet signal conversion module and the second vehicle-mounted Ethernet signal conversion module and is used for switching the support of the first vehicle-mounted Ethernet signal conversion module on kilomega vehicle-mounted Ethernet signals and hundred-mega vehicle-mounted Ethernet signals.
2. The vehicle-mounted ethernet patch panel of claim 1, wherein: the MCU module is connected with a first dial switch, and the first vehicle-mounted Ethernet signal conversion module switches the configuration of the gigabit vehicle-mounted Ethernet/the hundred-megabyte vehicle-mounted Ethernet through the first dial switch.
3. The vehicle-mounted Ethernet adapter plate of claim 1, wherein: the first vehicle-mounted Ethernet signal conversion module is connected with a second dial switch, and the second dial switch is used for switching a Master/Slave working mode of the vehicle-mounted Ethernet.
4. The vehicle-mounted Ethernet adapter plate of claim 1, wherein: the USB-TTL module supplies power to the adapter plate through a USB interface, can be connected with a debugging port of the vehicle-mounted Ethernet equipment through the TTL interface, and is connected with a PC through the USB interface and used for transmitting debugging signals.
5. A vehicle Ethernet switch board according to claim 4, wherein: the USB-TTL module comprises an interface chip U2, the type of the interface chip U2 is CP2102, the USB-TTL module provides 5V voltage through a USB interface, and the USB-TTL module obtains 1.8V/3.3V voltage through conversion of a voltage conversion chip.
6. The vehicle-mounted Ethernet adapter plate of claim 1, wherein: the first vehicle-mounted Ethernet signal conversion module and the second vehicle-mounted Ethernet signal conversion module respectively adopt PHY chips.
7. The vehicle-mounted Ethernet adapter plate of claim 6, wherein: the first vehicle-mounted Ethernet signal conversion module comprises a T1-PHY chip, and the model of the T1-PHY chip is RTL9010.
8. A vehicle ethernet patch panel in accordance with claim 7, wherein: the second vehicle-mounted Ethernet signal conversion module comprises a TX-PHY chip, and the model of the TX-PHY chip is DP83867.
9. The vehicle-mounted Ethernet adapter plate of claim 1, wherein: the first vehicle-mounted Ethernet signal conversion module is connected with vehicle-mounted Ethernet equipment through a 1000Base-T1 connector.
10. A multi-path vehicle-mounted Ethernet equipment communication system is characterized in that a plurality of paths of vehicle-mounted Ethernet equipment are connected through a plurality of vehicle-mounted Ethernet switch boards according to claim 1, the plurality of paths of vehicle-mounted Ethernet switch boards are respectively connected to a switch, and the switch is connected with a PC host.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221713531.1U CN218585319U (en) | 2022-07-05 | 2022-07-05 | Vehicle-mounted Ethernet adapter plate and multi-path vehicle-mounted Ethernet equipment communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221713531.1U CN218585319U (en) | 2022-07-05 | 2022-07-05 | Vehicle-mounted Ethernet adapter plate and multi-path vehicle-mounted Ethernet equipment communication system |
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| CN218585319U true CN218585319U (en) | 2023-03-07 |
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| CN202221713531.1U Active CN218585319U (en) | 2022-07-05 | 2022-07-05 | Vehicle-mounted Ethernet adapter plate and multi-path vehicle-mounted Ethernet equipment communication system |
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