Different-architecture network node sharing method based on signal repackaging

A network node, heterogeneous architecture technology, applied in transportation and packaging, circuits or fluid pipelines, vehicle components, etc., can solve problems such as inability to interchange, and achieve the effect of shortening cycle, reducing technical difficulty, and technical reliability

Inactive Publication Date: 2022-04-22
无锡市弘智创汽车零部件有限公司
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Problems solved by technology

[0007] This typical technical solution requires the support of the original entrusted production information platform and the supplier's software architecture platform. Due to the company's information conditions and the supplier's development strength, the above two models did not adopt the typical EOL at the beginning of development. The configuration scheme makes OBC, DCDC, ABS, PEPS, EPB, EPS, HVAC and other nodes unable to be interchanged between the above two models

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  • Different-architecture network node sharing method based on signal repackaging
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  • Different-architecture network node sharing method based on signal repackaging

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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0025] A method for sharing heterogeneous network nodes based on signal repackaging. The realization principle of this method is: because CAN communication adopts the method of Carrier Sense Multiple Access / Bit Arbitration (CSMA / BA, that is, Carrier Sense Multiple Access / Bit Arbitration) Perform media access control, therefore, the receiving node of the CAN signal only determines whether it needs to receive the message through the message ID, without distinguishing the actual sending node of t...

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Abstract

The invention belongs to the field of electric vehicles, and particularly discloses a different-architecture network node sharing method based on signal repackaging, which comprises the following steps of: repackaging control signals required by each node of a vehicle type A, so that receiving and transmitting signals of each node of the vehicle type A and receiving and transmitting signals of each node of a vehicle type B can be mutually switched; wherein the vehicle model A and the vehicle model B belong to two vehicle models of a V platform, the vehicle model A is not provided with a vehicle control unit (VCU) and adopts a single-path CAN network topology framework, and the vehicle model B is provided with the vehicle control unit (VCU) and adopts a double-path CAN network topology framework. The method is not influenced by the informatization degree of an original entrusting production main engine plant and the supplier development capability, and in addition, corresponding training does not need to be carried out on production workshop personnel; the technical difficulty of product development can be greatly reduced, the period of product development is shortened, and the development and maintenance cost of related network nodes is saved.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles, in particular to a method for sharing network nodes of different architectures based on signal repackaging. Background technique [0002] Both model A and model B belong to the "V platform". The main functions of the VCU of model B include but are not limited to: driving mode management, high voltage power on and off management, electric drive management, energy recovery management and high voltage safety management. The vehicle control function of model A is performed by MCU and BMS: MCU is responsible for driving mode management, electric drive management and energy recovery management, and BMS is responsible for high voltage power on and off management and high voltage safety management. Due to differences in node functions and network topology, the control signal receiving nodes and message IDs of the relevant nodes of vehicle model A and model B are inconsistent, as shown in the fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R16/023
CPCB60R16/023
Inventor 张映红王蕾叶爱东朱南山潘晓峰吴佳崔鹏
Owner 无锡市弘智创汽车零部件有限公司
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