The invention provides a backup control circuit for a power gear of an electric vehicle and a control system and the electric vehicle. The backup control circuit for the power gear of the electric vehicle comprises a signal detection unit, a backup circuit control unit and a backup circuit output unit, the output end of the signal detection unit is electrically connected with the first end of the backup circuit control unit, and the input end of the signal detection unit is used for being electrically connected with the main control circuit and a relay unit. The second end of the backup circuit control unit is electrically connected with the input end of the backup circuit output unit, and the output end of the backup circuit output unit is used for being electrically connected with a relay driving unit. According to the invention, the cost is lower, the reliability is higher, and no-delay switching can be realized when the main control circuit breaks down.

    本申请提供了一种电动汽车电源档位的备份控制电路、控制系统及电动汽车。电动汽车电源档位的备份控制电路包括:信号检测单元、备份电路控制单元和备份电路输出单元;信号检测单元的输出端与备份电路控制单元的第一端电连接,信号检测单元的输入端用于与主控制电路、继电器单元分别电连接;备份电路控制单元的第二端与备份电路输出单元的输入端电连接,备份电路输出单元的输出端用于与继电器驱动单元电连接。本申请成本更低、可靠性更高,在主控制电路发生故障时可无延迟切换。


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    Titel :

    Backup control circuit for power gear of electric automobile and control system and electric automobile


    Weitere Titelangaben:

    电动汽车电源档位的备份控制电路、控制系统及电动汽车


    Beteiligte:
    LI ANLIN (Autor:in) / LIU XUXIANG (Autor:in) / WANG TAO (Autor:in) / LIU GANG (Autor:in)

    Erscheinungsdatum :

    2022-02-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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