The invention relates to an electric vehicle high-voltage interlocking detection circuit which comprises a high-voltage connector, a high-voltage part which comprises a control unit, a vehicle control unit and an instrument, the high-voltage connector and the control unit form a detection loop, and the high-voltage part is connected with the instrument and a VCU through a CAN bus. On the basis of the control unit of a high-voltage part, the detection circuit is designed, interlocking fault points can be accurately positioned through the circuit and an algorithm, corresponding protection strategies can be adopted according to different fault points, safety is guaranteed, troubleshooting time is shortened, and the detection circuit can be applied to all controllers.

    本发明涉及一种电动汽车高压互锁检测电路,所述高压互锁检测电路包括高压连接器、高压零部件含控制单元、整车控制器和仪表,所述高压连接器与控制单元形成检测回路,所述高压零件通过CAN总线与仪表及VCU相连。本发明在高压零部件自身的控制单元基础上,设计检测电路,通过此电路及算法可精准定位互锁故障点,根据不同的故障点可采用相应的保护策略,即保障了安全性也缩短了排故时间,可应用到各个控制器中。


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    Title :

    Electric vehicle high-voltage interlocking detection circuit and detection method


    Additional title:

    一种电动汽车高压互锁检测电路及检测方法


    Contributors:
    JIANG LONG (author) / ZHANG RUIFENG (author) / WANG NINGHAI (author) / DAI NENGHONG (author) / YE QIYUN (author)

    Publication date :

    2021-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR




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