CN211603940U - Data conversion system based on automatic driving line vehicle control platform - Google Patents
Data conversion system based on automatic driving line vehicle control platform Download PDFInfo
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- CN211603940U CN211603940U CN201922401694.0U CN201922401694U CN211603940U CN 211603940 U CN211603940 U CN 211603940U CN 201922401694 U CN201922401694 U CN 201922401694U CN 211603940 U CN211603940 U CN 211603940U
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Abstract
The utility model discloses a data conversion system based on an automatic driving line vehicle control platform, which comprises at least one data converter and a parameter configuration instrument for configuring the data converter; the data converter comprises a single chip microcomputer, an ETH interface module, an EEPROM storage module and a CAN module; the parameter configuration instrument comprises a protocol converter, a router and a plurality of ETH interface modules. The utility model discloses the advantage lies in can encapsulate conversion back release with vehicle and upper control signal, realizes the black boxization of vehicle signal matrix to upper system, effectively improves vehicle information safety. Meanwhile, the data converter can be subjected to customized configuration according to different requirements of different upper control systems on vehicle end signals, and the configuration mode can be singly connected with a computer for configuration and can also be connected with a parameter configuration instrument for batch configuration. The data converter can be generally used for different vehicle types, and the product platform design is realized.
Description
Technical Field
The utility model belongs to the technical field of pure electric vehicles autopilot technique and specifically relates to a data conversion system based on automatic driving line accuse car platform is related to.
Background
At present, an automatic driving system of an automobile is used as an upper-layer control system, and the development and the upgrade of key technologies of the automatic driving system need to be carried and verified on a vehicle platform with a drive-by-wire function. One vehicle platform can be often used by a plurality of automatic driving systems, and in the control implementation process, the vehicle and the automatic driving systems need to carry out information interaction, and both sides need to open a communication matrix to the other side. The way of directly releasing the vehicle signal matrix to the outside can seriously affect the information safety of the vehicle.
Disclosure of Invention
An object of the utility model is to provide a can encapsulate conversion back release with vehicle end signal and upper control system signal, improve the data conversion system based on automatic driving wire accuse car platform of vehicle information safety.
In order to achieve the above purpose, the utility model can adopt the following technical proposal:
the utility model discloses a data conversion system based on automatic driving line accuse car platform, including at least one data converter and configuration the parameter configuration appearance of data converter;
the data converter comprises a single chip microcomputer, an ETH interface module, an EEPROM storage module and a CAN module, the CAN module receives CAN signals of a vehicle end and transmits the CAN signals to the single chip microcomputer, the single chip microcomputer encapsulates the received CAN signal matrix of the vehicle end, converts the CAN signal matrix according to an agreed protocol format and feeds the converted CAN signal back to the upper control system, and the received signals of the upper control system are converted into CAN signals required by the vehicle end, so that interaction between the vehicle end and the upper control system among different types of signal matrices with different formats is realized; the EEPROM storage module stores and backs up data;
the parameter configuration instrument comprises a protocol converter, a router and a plurality of ETH interface modules, wherein one ETH interface module is connected with an upper computer and receives data information and transmits the data information to the protocol converter, the protocol converter analyzes an imported DBC file, increases, deletes and changes signal sequences of signals in the DBC according to requirements and transmits the signals to the router, the router routes the encapsulated signals to one or more different ETH interface modules, and the ETH interface modules are electrically connected with the data converter through wiring harnesses.
The utility model discloses the advantage lies in can encapsulate conversion back release with vehicle and upper control signal, realizes the black boxization of vehicle signal matrix to upper system, effectively improves vehicle information safety. Meanwhile, the data converter can be subjected to customized configuration according to different requirements of different upper control systems on vehicle end signals, and the configuration mode can be singly connected with a computer for configuration and can also be connected with a parameter configuration instrument for batch configuration. The data converter can be generally used for different vehicle types, and the product platform design is realized.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a schematic block circuit diagram of the data converter of the present invention.
Fig. 3 is a schematic circuit block diagram of the parameter configuration instrument of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, the data conversion system based on the automatic driving line control platform of the present invention comprises at least one data converter and a parameter configuration instrument configured to the data converter;
the data converter comprises a single chip microcomputer, an ETH interface module, an EEPROM storage module and a CAN module, the CAN module receives CAN signals of a vehicle end and transmits the CAN signals to the single chip microcomputer, the single chip microcomputer encapsulates the received CAN signal matrix of the vehicle end, converts the CAN signal matrix according to an agreed protocol format and feeds the converted CAN signal back to the upper control system, and the received signals of the upper control system are converted into CAN signals required by the vehicle end, so that interaction between the vehicle end and the upper control system among different types of signal matrices with different formats is realized; the EEPROM storage module stores and backs up data;
the parameter configuration instrument comprises a protocol converter, a router and a plurality of ETH interface modules, wherein one ETH interface module is connected with an upper computer and receives data information and transmits the data information to the protocol converter, the protocol converter analyzes an imported DBC file, increases, deletes and changes signal sequences of signals in the DBC according to requirements and transmits the signals to the router, the router routes the encapsulated signals to one or more different ETH interface modules, and the ETH interface modules are electrically connected with the data converter through wiring harnesses.
As shown in fig. 1, upper computer software (manufacturer version): the host factory can complete the configuration of the signal matrix with different levels of authority; upper computer software (customer version): the client CAN realize the package and the setting of related parameters of the signals, such as the output mode (CAN/LIN/ETH), the package format of the signals, the uploading period, the generation of user documents and the like.
As shown in fig. 2, the configurable data converter may include 2 CAN input/output channels and one ETH input/output channel, where the signal input end is connected to the vehicle-mounted end, and outputs a signal matrix after corresponding encapsulation for the upper control system to read; the single chip microcomputer adopts LPC1768, CAN encapsulate a received CAN signal matrix of the vehicle end, converts the CAN signal matrix according to an agreed protocol format (a CAN protocol motorola or Intel format or an ETH protocol format) and feeds the converted CAN signal matrix back to an upper control system, and CAN convert a received signal (a CAN signal or an ETH signal) of the upper control system into a CAN signal required by the vehicle end, so that interaction between the vehicle end and the signal matrix of the upper control system in different types and different formats is realized; the data converter is externally connected with an EEPROM storage module, and can store and backup important data; the data converter can leave a factory without an application program, a host factory or a client carries out configuration according to requirements after taking a product, can be independently connected with a computer for configuration, and can also be connected with a parameter configuration instrument for realizing batch configuration; the data converter can be universally used for different vehicle types through software configuration, and can realize product platform design.
As shown in fig. 3, the parameter configuration instrument has 8 ETH interface modules, which can connect to 8 data converters simultaneously, thereby improving the configuration efficiency. The protocol converter of the parameter configuration instrument CAN realize the mutual conversion between the network data of the unmanned controller and the CAN data of the automobile bus, the imported DBC file is analyzed through a network interface connected with an upper computer, and signals in the DBC are added and deleted and the signal sequence is changed according to the requirements; the router in the parameter configuration instrument can route the encapsulated signals to one or more different ETH interfaces to be connected with a plurality of data converters to realize batch configuration.
The ETH interface module is an Ethernet interface module; the EEPROM storage module is an electronic erasing read-only memory; the CAN module is a CAN controller local area network module; DBC is a data file generated by the CAN bus.
Claims (1)
1. The utility model provides a data conversion system based on automatic driving line accuse car platform which characterized in that: comprises at least one data converter and a parameter configuration instrument for configuring the data converter;
the data converter comprises a single chip microcomputer, an Ethernet interface module, an electronic erasing type read-only memory storage module and a controller local area network module, the controller local area network module receives CAN signals of a vehicle end and transmits the CAN signals to the single chip microcomputer, the single chip microcomputer encapsulates the received CAN signal matrix of the vehicle end, converts the CAN signal matrix according to an agreed protocol format and feeds the CAN signal matrix back to an upper control system, and the received signals of the upper control system are converted into CAN signals required by the vehicle end, so that interaction between the vehicle end and the signal matrix of the upper control system in different types and different formats is realized; the electronic erasing read-only memory storage module stores and backups data;
the parameter configuration instrument comprises a protocol converter, a router and a plurality of Ethernet interface modules, wherein one Ethernet interface module is connected with an upper computer and receives data information and transmits the data information to the protocol converter, the protocol converter analyzes an imported DBC file, increases, deletes and changes signal sequences of various signals in the DBC according to requirements and transmits the signals to the router, the router routes the encapsulated signals to one or more different Ethernet interface modules, and the Ethernet interface modules are electrically connected with the data converter through wiring harnesses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922401694.0U CN211603940U (en) | 2019-12-27 | 2019-12-27 | Data conversion system based on automatic driving line vehicle control platform |
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| CN201922401694.0U CN211603940U (en) | 2019-12-27 | 2019-12-27 | Data conversion system based on automatic driving line vehicle control platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113242139A (en) * | 2021-03-24 | 2021-08-10 | 江铃汽车股份有限公司 | Vehicle network signal platform design method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113242139A (en) * | 2021-03-24 | 2021-08-10 | 江铃汽车股份有限公司 | Vehicle network signal platform design method |
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