The invention provides a vehicle upgrading control method and device, a vehicle and a storage medium, and the method comprises the steps: transmitting a low-voltage switching instruction to a high-voltage system when it is determined that a low-voltage part of the vehicle needs to be upgraded, so as to control a main positive relay and a main negative relay in the high-voltage system to be disconnected; detecting the states of the main positive relay and the main negative relay; and after the main positive relay and the main negative relay are detected to be in an off state, if the bus voltage is detected to be smaller than a preset voltage threshold value within a first preset duration, starting to upgrade the low-voltage component from the moment when the bus voltage is smaller than the preset voltage threshold value. According to the method, upgrading can be smoothly completed, and meanwhile, the time needed by upgrading is saved.
本申请提供了车辆升级的控制方法、装置、车辆和存储介质,该方法包括:当确定需要对车辆的低压部件进行升级时,向高压系统发出低压切换指令,以控制所述高压系统中的主正继电器和主负继电器断开;检测所述主正继电器和所述主负继电器的状态;在检测到所述主正继电器和所述主负继电器的状态为断开状态后,若在第一预设时长内检测到母线电压小于预设电压阈值,则从所述母线电压小于预设电压阈值的时刻开始对所述低压部件进行升级。该方法能够在顺利完成升级的同时,节约升级所需的时长。
Vehicle upgrading control method and device, vehicle and storage medium
车辆升级的控制方法、装置、车辆和存储介质
2024-07-02
Patent
Electronic Resource
Chinese
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