The invention provides a power-off protection system and a method, an electric vehicle, a storage medium and electronic equipment, the power-off protection system comprises a battery loop, wherein a battery pack is connected in the battery loop; a high-voltage loop, wherein at least one high-voltage electric appliance is connected in the high-voltage loop, and the battery pack is used for supplying power to the high-voltage electric appliance; a main relay which is connected with the battery loop and is used for controlling the on-off of the battery loop; a delay switch device which is used for receiving the sudden stop control instruction and controlling the main relay to be switched off after preset time under the condition that the sudden stop control instruction is received; and a control device which is used for monitoring whether the time delay switch device receives the sudden stop control instruction or not, and controlling all the high-voltage electric appliances to stop working within preset time under the condition that the time delay switch device receives the sudden stop control instruction. The power-off protection system provided by the invention can reduce the possibility of arc discharge or adhesion in the disconnection process of the main relay.

    本发明提供了一种下电保护系统、方法、电动汽车、存储介质及电子设备,该下电保护系统包括:电池回路,所述电池回路中连接有电池组;高压回路,所述高压回路中连接有至少一个高压用电器,所述电池组用于给所述高压用电器供电;主继电器,与电池回路相连接,用于控制电池回路的通断;延时开关装置,用于接收急停控制指令,并在接收到急停控制指令的情况下,在预设时间后控制主继电器断开;控制装置,用于监测延时开关装置是否接收到急停控制指令,并在延时开关装置接收到急停控制指令的情况下,在预设时间内控制全部高压用电器停止工作。本发明提供的下电保护系统可以降低主继电器在断开过程中发生拉弧或粘连问题的可能性。


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    Title :

    Power-off protection system and method, electric vehicle, electronic equipment and storage medium


    Additional title:

    下电保护系统、方法、电动汽车、电子设备和存储介质


    Contributors:
    HU XIANBIN (author)

    Publication date :

    2022-02-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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