A CAN bus fault test system, a CAN bus fault test method, a device, equipment, a medium and a product
The system, consisting of a controller and relays, automatically controls the connection status of the high and low level lines of the CAN bus. Combined with CAN message transmission, it solves the problems of low efficiency and low accuracy caused by manual connection in the existing technology, and realizes efficient and accurate CAN bus fault testing.
CN122420169APending Publication Date: 2026-07-17BEIJING CO WHEELS TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING CO WHEELS TECH CO LTD
- Filing Date
- 2025-01-16
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing CAN bus fault testing methods require manually connecting the high and low channel lines of each CAN bus, resulting in low testing efficiency and potential human error, which affects test accuracy.
Method used
The system employs a combination of controller, relays, and host computer to automatically control the relays to disconnect or connect the high and low level lines of the CAN bus, and combines this with the sending and receiving of CAN messages to achieve automated fault testing.
Benefits of technology
It improves the efficiency and accuracy of CAN bus fault testing, reduces human error, and enhances the automation level of testing.
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Figure CN122420169A_ABST
Abstract
The application discloses a CAN bus fault test system, a CAN bus fault test method, device, equipment, medium and product. The CAN bus fault test system comprises a controller, a plurality of relays, a plurality of CAN buses and an upper computer, the high and low level lines of the CAN buses are connected with the controller, two channels of each relay are connected with the high and low level lines of the CAN buses, and the plurality of relays and the controller are connected with the upper computer. Through the technical scheme, the CAN bus fault test can be automatically performed, the CAN bus fault test efficiency is improved, and the CAN bus fault test accuracy is improved.
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