The invention relates to a vehicle power-off control method and device, a vehicle control unit and a storage medium, and the method comprises the steps that after a plurality of power domain control units corresponding to a target vehicle receive vehicle power-off signals, corresponding driving state information of the target vehicle after a driving motor is unloaded is obtained, when at least one fault detector corresponding to the target vehicle detects a fault, vehicle power-off signals are sent to a plurality of power domain control units in a group mode, a motor controller controls a driving motor to be unloaded after responding to the vehicle power-off signals, and the driving state information comprises the current corresponding vehicle speed of the target vehicle; judging whether the vehicle speed is smaller than a preset speed threshold; and when it is judged that the vehicle speed is smaller than the preset speed threshold value, whether unloading of the high-voltage electricity load equipment is completed or not is detected, and high-voltage power-off of the target vehicle is correspondingly controlled according to the detection result. By means of the method, the problems that in the related technology, high voltage lowering is not timely, and arcing is likely to be caused are solved.

    本申请涉及一种车辆断电的控制方法、装置、整车控制器及存储介质,该方法包括:在目标车辆对应的多个动力域控制单元接收到车辆下电信号后,获取目标车辆在驱动电机卸载后所对应的行驶状态信息,目标车辆所对应的至少一个故障检测器检测到故障时,向多个动力域控制单元群发车辆下电信号,电机控制器在响应车辆下电信号后,控制驱动电机卸载,行驶状态信息包括目标车辆当前对应的车速;判断车速是否小于预设速度阈值;在判断到车速小于预设速度阈值的情况下,检测高压用电负载设备是否完成卸载,并根据检测结果,对应控制目标车辆的高压下电。通过本申请,解决相关技术中整车下高压的方法下高压不及时且易造成拉弧的问题。


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    Titel :

    Vehicle power-off control method and device, vehicle control unit and storage medium


    Weitere Titelangaben:

    车辆断电的控制方法、装置、整车控制器及存储介质


    Beteiligte:
    HU MIN (Autor:in) / QU NIANHE (Autor:in) / CHEN BINBIN (Autor:in)

    Erscheinungsdatum :

    2023-07-28


    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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