CN217982187U - Development auxiliary device for vehicle-mounted domain controller gateway - Google Patents
Development auxiliary device for vehicle-mounted domain controller gateway Download PDFInfo
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- CN217982187U CN217982187U CN202221715111.7U CN202221715111U CN217982187U CN 217982187 U CN217982187 U CN 217982187U CN 202221715111 U CN202221715111 U CN 202221715111U CN 217982187 U CN217982187 U CN 217982187U
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Abstract
The utility model provides a development auxiliary device for on-vehicle domain controller gateway, its multichannel CAN communication interface function and the on-vehicle ethernet communication interface of multichannel that CAN support to connect on-vehicle domain controller gateway, the research and development to the domain controller gateway of convenience, include: the interface module comprises a plurality of communication interfaces of vehicle-mounted Ethernet and a plurality of CAN interfaces, the channel selection module comprises a plurality of gating branches connected in parallel, each gating branch comprises a relay switch, each communication interface of the vehicle-mounted Ethernet and each CAN interface of the interface module are respectively connected to one end of different relay switches, and the other end of each relay switch is respectively connected to a T1 interface of the vehicle-mounted Ethernet and a CAN-PC interface and is used for connecting an upper computer; the control module is respectively connected with all the relay switches, a serial port end of the USB-UART conversion module is connected with the control module, and the USB end is used for connecting an upper computer; the power supply module is used for supplying power.
Description
Technical Field
The utility model relates to an on-vehicle domain controller technical field, concretely relates to a development auxiliary device for on-vehicle domain controller gateway.
Background
At present, a vehicle-mounted domain controller gateway product generally comprises a plurality of CAN communication buses and a plurality of vehicle-mounted Ethernet communication lines, the function of the vehicle-mounted domain controller gateway is detected due to the need of carrying out function detection on the vehicle-mounted domain controller gateway, the function of the communication lines is verified, and when the function is detected, an upper computer is required to be connected and is supported by the upper computer, and the vehicle-mounted domain controller gateway product generally comprises a plurality of CAN communication buses and vehicle-mounted Ethernet communication lines, each line is required to be tested, the wiring complexity is very high, and the operation is very complicated.
Currently, there are the following main problems:
1. the vehicle-mounted domain controller gateway product supplier cannot use a large number of CAN converters and vehicle-mounted Ethernet converters for development and verification;
2. whether the CAN communication interface function and the vehicle-mounted Ethernet communication interface function of the vehicle-mounted domain controller gateway are all qualified or not CAN not be evaluated;
3. various experiments, debugging and real vehicle installation in the development process of the domain controller gateway need numerous CAN adapter plates and vehicle-mounted Ethernet adapter plates, no existing equipment for supporting multi-path CAN bus communication and multi-path vehicle-mounted Ethernet communication CAN support research and development of the domain controller gateway in the market, the requirement cost is very high, and the building and wiring complexity is very high.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a development auxiliary device for on-vehicle domain controller gateway, its multichannel CAN communication interface function and the on-vehicle ethernet communication interface of multichannel that CAN support to connect on-vehicle domain controller gateway, the convenient research and development to the domain controller gateway.
The technical scheme is as follows: a development assistance apparatus for an in-vehicle domain controller gateway, comprising:
the interface module comprises a plurality of communication interfaces of the vehicle-mounted Ethernet and a plurality of CAN interfaces, and is connected with a vehicle-mounted Ethernet communication interface and a CAN communication interface of the vehicle-mounted domain controller gateway through the communication interfaces of the vehicle-mounted Ethernet and the CAN interfaces;
the channel selection module comprises a plurality of gating branches connected in parallel, each gating branch comprises a relay switch, a communication interface of each vehicle-mounted Ethernet and each CAN interface of the interface module are respectively connected to one end of different relay switches, the other end of each relay switch connected with the communication interface of the vehicle-mounted Ethernet is respectively connected to a T1 interface of the vehicle-mounted Ethernet, the T1 interface of the vehicle-mounted Ethernet is used for connecting an upper computer, the other end of each relay switch connected with the CAN interface is respectively connected to a CAN-PC interface, and the CAN-PC interface is used for connecting the upper computer;
the control module is respectively connected with all relay switches of the channel selection module, controls the on-off of the corresponding gating branch by controlling the on-off of the relay switches, and establishes connection or disconnection with a vehicle-mounted Ethernet communication interface and a CAN communication interface of a vehicle-mounted domain controller gateway;
the serial port end of the USB-UART conversion module is connected with the control module, and the USB end of the USB-UART conversion module is used for connecting an upper computer;
and the power supply module is used for supplying power.
Furthermore, the interface module provides a plurality of paths of CAN interfaces through a CAN interface integrated connecting plate, and the CAN interface integrated connecting plate also comprises a CAN-PC interface used for connecting an upper computer.
Further, the interface module provides a plurality of on-board ethernet T1 interfaces through a T1 interface integrated connector, where the on-board ethernet T1 interfaces include a 1000BASE-T1 interface and a 100BASE-T1 interface.
Furthermore, each gating branch is provided with a channel indicator light connected with the relay switch in series for indicating the on-off of the relay switch.
Further, the control module includes a control chip U4, the model of the control chip U4 is S9S12G128F0MLH, the USB-UART conversion module includes a serial port chip U3 and a USB connector J4, the model of the serial port chip U3 is CP2102N, 53 and 52 ports of the control chip U4 are connected with 20 and 21 ports of the serial port chip U3, and 3 and 4 ports of the serial port chip U3 are connected to 3 and 2 ports of the USB connector J4.
Further, the power supply module includes a first power supply unit, the first power supply unit includes a socket J2, the socket J2 is connected to the 12V power supply, 3 ports of the socket J2 are grounded, 1 port of the socket J2 provides the 12V voltage V _ BAT, and 1 port of the socket J2 is grounded after being connected to the power indicator D1 and the resistor R1.
Further, the first power supply unit further comprises a voltage conversion chip U1, the model of the voltage conversion chip U1 is LMR14030SDDA,12V voltage V _ BAT is input from ports 2 and 3 of the voltage conversion chip U1, and 8 ports of the voltage conversion chip U1 can output 5V voltage.
Further, the power supply module further comprises a second power supply unit, and the second power supply unit provides 5V voltage through the USB connector J4.
Furthermore, the control module further comprises a CAN transceiver chip U5, ports 8, 1 and 4 of the CAN transceiver chip U5 are respectively connected with ports 12, 61 and 60 of the control chip U4, ports 6 and 7 of the CAN transceiver chip U5 are respectively connected to the CAN interface, and the CAN transceiver chip U5 and the control chip U4 are matched to receive and transmit data transmitted through the CAN interface.
The utility model discloses a development auxiliary device of on-vehicle domain controller gateway, through setting up interface module, interface module includes communication interface and multichannel CAN interface of multichannel on-vehicle ethernet, CAN connect multichannel CAN communication interface function and multichannel on-vehicle ethernet communication interface of on-vehicle domain controller gateway, makes to the development progress of domain controller gateway, no longer receive CAN signal conversion and the restriction of the circuit quantity of on-vehicle ethernet signal conversion;
the utility model CAN control the on-board Ethernet communication interface of the connected vehicle-mounted domain controller gateway and the on-off of the CAN communication interface by setting the channel selection module and only controlling the on-off of the relay switch of the gating branch circuit through the control module, thereby realizing the multi-path arbitrary CAN signal channel transmission and the multi-path arbitrary vehicle-mounted Ethernet signal transmission function detection of the domain controller gateway;
the utility model discloses a development auxiliary device of vehicle-mounted domain controller gateway, which makes the development process of the domain controller gateway more convenient; and providing reference for the qualification of the gateway of the domain controller for the whole factory.
Drawings
Fig. 1 is a block diagram of a development assistance apparatus for an in-vehicle domain controller gateway in an embodiment;
fig. 2 is a schematic configuration diagram of a development assisting apparatus for an in-vehicle domain controller gateway in an embodiment;
FIG. 3 is a circuit diagram of the CAN interface integrated connection board in the embodiment;
FIG. 4 is a circuit diagram of the gating branches of CAN _01 and CAN _02 in the embodiment;
fig. 5 is a circuit diagram of the gating branches of CAN _03 and CAN _04 in the embodiment;
fig. 6 is a circuit diagram of the gating branches of CAN _05 and CAN _06 in the embodiment;
fig. 7 is a circuit diagram of the gating branches of CAN _07 and CAN _08 in the embodiment;
fig. 8 is a circuit diagram of the T1 interface integrated connector J58 in the embodiment;
FIG. 9 is a circuit diagram of the gating branches of T1_01 and T1_03 in the embodiment;
FIG. 10 is a circuit diagram of the gating branches of T1_02 and T1_04 in the embodiment;
FIG. 11 is a circuit diagram of the gating branches of T1_06 and T1_07 in the embodiment;
FIG. 12 is a circuit diagram of the onboard Ethernet T1 interfaces 1000BASET1_PC and 100BASET1_PC in an embodiment;
fig. 13 is a peripheral circuit diagram of the control chip U4 in the embodiment;
FIG. 14 is a peripheral circuit diagram of a CAN transceiver chip U5 in the embodiment;
FIG. 15 is a circuit diagram of the peripheral circuit of the USB-UART converting module according to the embodiment;
fig. 16 is a circuit diagram of a socket J2 of the first power supply unit in the embodiment;
FIG. 17 is a circuit diagram of a connector J3 in the embodiment;
fig. 18 is a circuit diagram of the voltage conversion chip U1 in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a development assistance apparatus for an in-vehicle domain controller gateway includes:
the interface module 1 comprises a plurality of communication interfaces of the vehicle-mounted Ethernet and a plurality of CAN interfaces, and the interface module 1 is connected with the vehicle-mounted Ethernet communication interface and the CAN communication interface of the vehicle-mounted domain controller gateway through the communication interfaces of the vehicle-mounted Ethernet and the CAN interfaces;
the channel selection module 2, the channel selection module 2 includes several gating branches connected in parallel, each gating branch includes a relay switch, the communication interface of each vehicle-mounted Ethernet of the interface module 1 and each CAN interface are connected to one end of different relay switches respectively, another end of the relay switch connected with communication interface of the vehicle-mounted Ethernet is connected to T1 interface of the vehicle-mounted Ethernet respectively, T1 interface of the vehicle-mounted Ethernet is used for connecting the upper computer, another end of the relay switch connected with CAN interface is connected to CAN-PC interface respectively, CAN-PC interface is used for connecting the upper computer;
the control module 3 is respectively connected with all relay switches of the channel selection module 2, and the control module 3 controls the on-off of the corresponding gating branch by controlling the on-off of the relay switches, so that the connection or disconnection between the on-vehicle Ethernet communication interface and the CAN communication interface of the on-vehicle domain controller gateway is realized;
the USB-UART conversion module 4 is characterized in that a serial port end of the USB-UART conversion module 4 is connected with the control module 3, and a USB end of the USB-UART conversion module 4 is used for connecting an upper computer;
and the power supply module 5 is used for supplying power.
In an embodiment of the present invention, a channel indicator light connected in series with the relay switch is disposed on each gating branch of the channel selection module 2 for indicating the on/off of the relay switch.
The development auxiliary device for the vehicle-mounted domain controller gateway provided by the embodiment CAN be used for switching different communication lines by controlling the gating mode of the relay switch through the control module according to the multi-path CAN communication data and the multi-path vehicle-mounted Ethernet communication data of the domain controller gateway, sending the data to the signal conversion tool and the upper computer, facilitating the development of the vehicle-mounted domain controller gateway, connecting the serial port of the control module to the USB interface of the upper computer through the serial port chip and the USB interface of the USB-UART conversion module, and sending ASCII codes through the upper computer, so that the relay switches of different channels CAN be switched on and off;
see fig. 2 to fig. 18, in particular in an embodiment of the present invention, the interface module 1 provides a multi-channel CAN interface through a CAN interface integrated connection board, the CAN interface integrated connection board further includes a CAN-PC interface for connecting to an upper computer, in this embodiment, the model of the CAN interface integrated connection board is C441182, in this embodiment, 8 channels of CAN interfaces are supported together, including CAN _01 to CAN _08, the circuit thereof is specifically explained by taking CAN _01 interface as an example, ports 1 and 2 of the CAN interface integrated connection board J59 are connected to ports 4 and 9 of the relay switch RE5, the model of the relay switch RE5 is G6S-2-5VDC, ports 5 and 8 of the relay switch RE5 are connected to ports 1 and 2 of the CAN-PC interface J16, the CAN-PC interface is used for connecting to an upper computer, the CAN-PC interface CAN be connected to the upper computer through a USB-CAN card;
the port 1 of the relay switch RE5 is connected with the diode D16 and then grounded, and the port 1 of the relay switch RE5 is also connected with the power supply VDD _5V after being connected with the resistor R65; the 12 port of the relay switch RE5 is connected to the D pole of the MOS transistor Q9, the S pole of the MOS transistor Q9 is grounded, the G pole of the MOS transistor Q9 is connected to the 15 port of the control chip U4 after being connected with a resistor R68, a resistor R71 is connected between the S pole and the G pole of the MOS transistor Q9, the 15 port of the control chip U4 is further connected to the G pole of the MOS transistor Q12 after being connected with a resistor R77, a resistor R80 is connected between the S pole and the G pole of the MOS transistor Q12, the S pole of the MOS transistor Q12 is grounded, a channel indicator lamp D19 is connected behind the D pole of the MOS transistor Q12 and connected with a resistor R74, and the channel indicator lamp D19 is used for indicating the switching of the relay switch RE 5.
The circuits of CAN _02 to CAN _08 CAN refer to that relay switches RE8, RE1, RE3, RE6, RE9, RE2, RE4 are respectively provided in the gating branches where CAN _01, CAN _02 to CAN _08 are located, and channel indicator lamps D25, D10, D14, D20, D26, D11, D15 are correspondingly provided, the relay switches RE8, RE1, RE3, RE6, RE9, RE2, RE4 are respectively connected to ports 3 to 16 of CAN interface integrated connection board J59, and the relay switches RE8, RE1, RE3, RE6, RE9, RE2, RE4 are also respectively connected to ports 1 and 2 of CAN-PC interface J16, the CAN-PC interface is used for connecting an upper computer, and the relay switches RE8, RE1, RE3, RE6, RE9, RE2, RE4 are respectively connected to ports 17, 18, 19, 20, 21, 22, 23 of control chip U4.
Specifically, in an embodiment of the present invention, the interface module provides a multi-path T1 interface through the T1 interface integrated connector J58, the T1 interface includes a 1000BASE-T1 interface and a 100BASE-T1 interface, and in this embodiment, the model of the T1 interface integrated connector is 2339800-1.
In this embodiment, a total of 6T 1 interfaces are supported, including T1_01, T1_02, T1_03, T1_04, T1_06, T1_07, T1_01, T1_02, T1_03, T1_04, T1_06, and T1_07, the circuit design is the same, taking T1_01 as an example for description, T1_01 is a 1000BASE-T1 interface, ports 7 and 8 of the T1 interface integrated connector J58 are connected to ports 3 and 4 of the connector J61, ports 7 and 8 of the T1 interface integrated connector J58 are also grounded after being connected to ports D62 and D68, ports 1 and 2 of the connector J61 are connected to port 9 of the relay switch RE15, ports 5 and 6 of the connector J61 are connected to a port 4 of the relay switch RE15, ports 8 and 5 of the relay switch RE15 are respectively connected to a port 1000BASET1 \/PC of the vehicle-mounted Ethernet T1, the port 1000BASET1 \/PC of the vehicle-mounted Ethernet T1 comprises a connector J33, a port 8 of the relay switch RE15 is respectively connected to a port 1 and a port 2 of the connector J33, a port 5 of the relay switch RE15 is respectively connected to a port 5 and a port 6 of the connector J33, a port 3 and a port 4 of the connector J33 are respectively connected to a port 1 and a port 2 of the connector J32, and the connector J32 is used for connecting an upper computer; connector J33 is the jumper wire cap, supports the positive and negative slow-witted design of preventing of on-vehicle ethernet signal through the jumper wire cap, gates through the jumper wire cap: line fool-proofing is realized by 1,3, 4,6 or 2,4, 3,5, and the T1 interface can be connected with an upper computer through a network adapter plate;
the port 1 of the relay switch RE15 is connected with the diode D38 and then grounded, and the port 1 of the relay switch RE15 is also connected with the power supply VDD _5V after being connected with the resistor R125; the 12 port of the relay switch RE15 is connected to the D pole of the MOS transistor Q30, the S pole of the MOS transistor Q30 is grounded, the G pole of the MOS transistor Q30 is connected to the 26 port of the control chip U4 after being connected to the G pole connection resistor R129, the connection resistor R131 is connected between the S pole and the G pole of the MOS transistor Q30, the 26 port of the control chip U4 is further connected to the G pole of the MOS transistor Q32 after being connected to the connection resistor R137, the connection resistor R140 is connected between the S pole and the G pole of the MOS transistor Q32, the S pole of the MOS transistor Q32 is grounded, and the channel indicator lamp D39, the D pole connection resistor R134 and the D pole of the MOS transistor Q32, is used for indicating the on-off of the relay switch RE 15.
T1_02, T1_03 and T1_04 are 1000BASE-T1 interfaces, T1_02 is corresponding to ports 1 and 2 and a connector J60 of the T1 interface integrated connector J58, T1_03 is corresponding to ports 9 and 10 and a connector J62 of the T1 interface integrated connector J58, and T1_04 is corresponding to ports 3 and 4 and a connector J63 of the T1 interface integrated connector J58;
t1_06 and T1_07 are 100BASE-T1 interfaces, T1_06 is for ports 5 and 6 and a connector J64 of a T1 interface integrated connector J58, T1_07 is for ports 11 and 12 and a connector J65 of the T1 interface integrated connector J58;
the gating branches where the T1_02, the T1_03, the T1_04, the T1_06 and the T1_07 are located are respectively provided with relay switches RE18, RE11, RE13, RE19 and RE12, channel indicator lamps D45, D30, D34, D46 and D31 are correspondingly and respectively arranged, and the relay switches RE18, RE11 and RE13 are respectively connected to a vehicle-mounted Ethernet T1 interface 1000BASET1 \ PC; the relay switches RE19 and RE12 are respectively connected to a vehicle-mounted Ethernet T1 interface 100BASET1_PC, the vehicle-mounted Ethernet T1 interface 100BASET1 _PCis a 100BASE-T1 interface, the vehicle-mounted Ethernet T1 interface 1000BASET1 _PCcomprises a connector J33, 8 ports of the relay switch RE15 are respectively connected to 1 port and 2 ports of a connector J57, 5 ports of the relay switch RE15 are respectively connected to 5 ports and 6 ports of the connector J57, 3 ports and 4 ports of the connector J57 are respectively connected to 1 port and 2 ports of a connector J56, and the connector J56 is used for connecting an upper computer; the relay switches RE18, RE11, RE13, RE19, RE12 are connected to ports 27, 28, 29, 41, 39 of the control chip U4, respectively.
In this embodiment, the control module includes a control chip U4, the model of the control chip U4 is S9S12G128F0MLH, the USB-UART conversion module includes a serial port chip U3 and a USB connector J4, the model of the serial port chip U3 is CP2102N, the 53 and 52 ports of the control chip U4 are connected to the 20 and 21 ports of the serial port chip U3, and the 3 and 4 ports of the serial port chip U3 are connected to the 3 and 2 ports of the USB connector J4, so as to perform a power supply function.
The control module further comprises a CAN transceiver chip U5, ports 8, 1 and 4 of the CAN transceiver chip U5 are respectively connected with ports 12, 61 and 60 of the control chip U4, ports 6 and 7 of the CAN transceiver chip U5 are respectively connected to a reserved CAN interface, and the CAN transceiver chip U5 and the control chip U4 are matched to receive and transmit data transmitted through the CAN interface, so that the CAN communication function is realized.
The reserved CAN interface of MCU, VCAN module is CAN transceiver peripheral circuit, and together with MCU chip integrated controller realizes CAN communication function
In an embodiment of the present invention, the power supply module includes a first power supply unit, the first power supply unit includes a socket J2, the type of the socket J2 is DC-005, the socket J2 is connected to a 12V power supply, 3 ports of the socket J2 are grounded, 1 port of the socket J2 provides a 12V voltage V _ BAT, 1 port of the socket J2 is grounded after being connected to a power indicator D1 and a resistor R1;
the first power supply unit further comprises a voltage conversion chip U1, the model of the voltage conversion chip U1 is LMR14030SDDA,12V voltage V _ BAT is input from ports 2 and 3 of the voltage conversion chip U1, and 8 ports of the voltage conversion chip U1 can output 5V voltage.
The power supply module still includes the second power supply unit, the second power supply unit provides 5V voltage through USB connector J4, power supply module still includes connector J3, connector J3 is 4P socket head, 2 ports of 1 port connection jumper cap J1 of connector J3, 5V power VBUS _5V is connected to 1 port of jumper cap J1, 3.3V power VDD _3V3 is connected to 3 ports of jumper cap J1, 20 of serial chips U3, 21 ports have still been connected to 3 of connector J3, 2 ports, 4 ports ground connection of connector J3, connector J3 is the design and reserves, can be used for the USB who provides to change serial ports function.
The development auxiliary device for the vehicle-mounted domain controller gateway provided by the embodiment is applicable to diversified environments, so that the development auxiliary device supports power supply of a 12V power supply while supporting USB power supply.
According to the development auxiliary device of the vehicle-mounted domain controller gateway provided by the embodiment, the interface module is arranged and comprises the communication interfaces of the plurality of paths of vehicle-mounted Ethernet and the plurality of paths of CAN interfaces, and the functions of the plurality of paths of CAN communication interfaces of the vehicle-mounted domain controller gateway and the plurality of paths of vehicle-mounted Ethernet communication interfaces CAN be connected, so that the development progress of the domain controller gateway is not limited by the number of lines for CAN signal conversion and vehicle-mounted Ethernet signal conversion; the channel selection module is arranged, and the on-off of the vehicle-mounted Ethernet communication interface and the CAN communication interface of the connected vehicle-mounted domain controller gateway CAN be controlled only by controlling the on-off of the relay switch of the gating branch circuit through the control module, so that the multi-channel arbitrary CAN signal channel transmission and the multi-channel arbitrary vehicle-mounted Ethernet signal transmission function detection of the domain controller gateway are realized.
The utility model discloses a development auxiliary device of vehicle-mounted domain controller gateway, which makes the development process of the domain controller gateway more convenient; the method can solve the problem that in the multi-path domain controller gateway product communication, enough quantity of opposite terminal equipment is not available, different communication links are switched through the relays, the quantity of required load equipment is reduced, and reference is conveniently provided for the whole vehicle factory to evaluate whether the domain controller gateway is qualified or not.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (9)
1. A development assistance apparatus for an in-vehicle domain controller gateway, comprising:
the interface module comprises a plurality of communication interfaces of the vehicle-mounted Ethernet and a plurality of CAN interfaces, and is connected with a vehicle-mounted Ethernet communication interface and a CAN communication interface of the vehicle-mounted domain controller gateway through the communication interfaces of the vehicle-mounted Ethernet and the CAN interfaces;
the channel selection module comprises a plurality of gating branches connected in parallel, each gating branch comprises a relay switch, a communication interface of each vehicle-mounted Ethernet and each CAN interface of the interface module are respectively connected to one end of different relay switches, the other end of each relay switch connected with the communication interface of the vehicle-mounted Ethernet is respectively connected to a T1 interface of the vehicle-mounted Ethernet, the T1 interface of the vehicle-mounted Ethernet is used for connecting an upper computer, the other end of each relay switch connected with the CAN interface is respectively connected to a CAN-PC interface, and the CAN-PC interface is used for connecting the upper computer;
the control module is respectively connected with all relay switches of the channel selection module, controls the on-off of the corresponding gating branch by controlling the on-off of the relay switches, and establishes connection or disconnection with a vehicle-mounted Ethernet communication interface and a CAN communication interface of a vehicle-mounted domain controller gateway;
the serial port end of the USB-UART conversion module is connected with the control module, and the USB end of the USB-UART conversion module is used for connecting an upper computer;
and the power supply module is used for supplying power.
2. A development assistance device for an in-vehicle domain controller gateway according to claim 1, characterized by: the interface module provides a plurality of CAN interfaces through a CAN interface integrated connecting plate, and the CAN interface integrated connecting plate also comprises a CAN-PC interface used for connecting an upper computer.
3. A development assistance device for an in-vehicle domain controller gateway according to claim 2, characterized in that: the interface module provides a plurality of paths of vehicle-mounted Ethernet T1 interfaces through a T1 interface integrated connector, and the vehicle-mounted Ethernet T1 interfaces comprise 1000BASE-T1 interfaces and 100BASE-T1 interfaces.
4. A development aid for an in-vehicle domain controller gateway according to claim 1, characterized by: and each gating branch is provided with a channel indicator light connected with the relay switch in series and used for indicating the on-off of the relay switch.
5. A development aid for an in-vehicle domain controller gateway according to claim 3, characterized by: the control module comprises a control chip U4, the type of the control chip U4 is S9S12G128F0MLH, the USB-UART conversion module comprises a serial port chip U3 and a USB connector J4, the type of the serial port chip U3 is CP2102N, ports 53 and 52 of the control chip U4 are connected with ports 20 and 21 of the serial port chip U3, and ports 3 and 4 of the serial port chip U3 are connected with ports 3 and 2 of the USB connector J4.
6. A development aid for an in-vehicle domain controller gateway according to claim 1, characterized by: the power supply module comprises a first power supply unit, the first power supply unit comprises a socket J2, the socket J2 is connected with a 12V power supply, 3 ports of the socket J2 are grounded, 1 port of the socket J2 provides 12V voltage V _ BAT, and 1 port of the socket J2 is grounded after being connected with a power indicator lamp D1 and a resistor R1.
7. A development aid for in-vehicle domain controller gateways according to claim 6, characterised in that: the first power supply unit further comprises a voltage conversion chip U1, the model of the voltage conversion chip U1 is LMR14030SDDA,12V voltage V _ BAT is input from ports 2 and 3 of the voltage conversion chip U1, and 8 ports of the voltage conversion chip U1 can output 5V voltage.
8. A development aid for an in-vehicle domain controller gateway according to claim 7, characterized by: the power supply module further comprises a second power supply unit, and the second power supply unit provides 5V voltage through the USB connector J4.
9. A development assistance device for an in-vehicle domain controller gateway according to claim 5, characterized by: the control module further comprises a CAN transceiver chip U5, ports 8, 1 and 4 of the CAN transceiver chip U5 are respectively connected with ports 12, 61 and 60 of the control chip U4, ports 6 and 7 of the CAN transceiver chip U5 are respectively connected to CAN interfaces, and the CAN transceiver chip U5 and the control chip U4 are matched to receive and transmit data transmitted through the CAN interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221715111.7U CN217982187U (en) | 2022-07-05 | 2022-07-05 | Development auxiliary device for vehicle-mounted domain controller gateway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221715111.7U CN217982187U (en) | 2022-07-05 | 2022-07-05 | Development auxiliary device for vehicle-mounted domain controller gateway |
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| CN217982187U true CN217982187U (en) | 2022-12-06 |
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