The invention discloses a high-voltage on-off control method for a pure electric vehicle, which comprises the following steps of: performing self-inspection on a high-voltage interlocking circuit through a BMS (Battery Management System), judging a fault of the high-voltage interlocking circuit, if the fault does not occur, allowing high-voltage power-on, and if the fault occurs, forbidding high-voltage power-on; the high-voltage interlocking circuit is characterized in that a pin 87 of an MC relay is connected with a pin 9 of a compressor controller; after a pin 9 and a pin 8 in the compressor controller are communicated, the pin 8 of the compressor controller is connected with a pin 11 of the BMS low-voltage connector; after a pin 11 and a pin 12 of the BMS low-voltage connector are communicated in the BMS low-voltage connector, the pin 12 of the BMS low-voltage connector is connected with a pin 15 of the all-in-one low-voltage connector; and after a pin 15 and a pin 26 of the all-in-one low-voltage connector are communicated in the all-in-one low-voltage connector, the pin 26 of the all-in-one low-voltage connector is connected with a pin 126 of the VDC. According to the technical content disclosed by the invention, the on-off control of the high-voltage power supply can be reasonably realized.

    本发明公开了一种纯电动汽车高压通断控制方法,包括,通过BMS对高压互锁电路进行自检,判断高压互锁电路的故障,如果故障未出现,允许上高压,如果出现故障,禁止高压上电;高压互锁电路包括:MC继电器的87号脚与压缩机控制器的9号脚连接;压缩机控制器的内部将其9号和8号脚联通后,压缩机控制器的8号脚与BMS低压接插件的11号脚连接;BMS低压接插件的内部将其11号脚和12号脚联通后,BMS低压接插件的12号脚与多合一低压接插件的15号脚连接;多合一低压接插件的内部将其15号脚和26号脚联通后,多合一低压接插件的26号脚与VDC的126号脚连接。本发明公开的技术内容,可合理地实现对高压电源的通断控制。


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    Titel :

    High-voltage on-off control method for pure electric vehicle


    Weitere Titelangaben:

    一种纯电动汽车高压通断控制方法


    Beteiligte:
    LIU QIDA (Autor:in) / ZHANG HUANHUAN (Autor:in) / CHEN LEI (Autor:in) / LIU JIANHAO (Autor:in) / REN JIANHUA (Autor:in) / ZHANG QINGFENG (Autor:in) / YANG QIFU (Autor:in)

    Erscheinungsdatum :

    2023-07-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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