The invention discloses a power battery high-voltage power-off protection system and method, and a storage medium. The system comprises a battery pack, the battery pack comprises a power battery, a main positive relay electrically connected with the power battery and a main negative relay electrically connected with the power battery, and the main positive relay is connected with a high-voltage positive electrode end; a high-voltage relay is included and arranged outside the battery pack, one end of the high-voltage relay is electrically connected with the main negative relay, and the other end of the high-voltage relay is electrically connected with a high-voltage negative electrode end; and a micro-control unit is included and arranged outside the battery pack, one end of the micro-control unit is electrically connected to the high-voltage positive electrode end, and the other end of the micro-control unit is electrically connected to the high-voltage negative electrode end. The high-voltage relay is arranged outside the battery pack and can be disassembled conveniently and safely, the power battery can be ensured to switch a high voltage safely on the premise that high-voltage components are not damaged, and the safety of a battery system and a whole vehicle is protected.
本发明公开了一种动力电池高压断电保护系统、方法及存储介质,其系统包括电池包,包括动力电池、与所述动力电池电连接的主正继电器、以及与所述动力电池电连接的主负继电器,所述主正继电器接高压电正极端;高压继电器,设于所述电池包外部,一端与所述主负继电器电连接,另一端电连接高压电负极端;以及,微控制单元,设于所述电池包外部,一端电连接于高压电正极端,另一端电连接于高压电负极端。本发明高压继电器置于电池包外部,可方便、安全拆解,能保证动力电池在不损坏高压元器件的前提下安全切换高压,保护电池系统及整车安全。
Power battery high-voltage power-off protection system and method, and storage medium
动力电池高压断电保护系统、方法及存储介质
2021-08-10
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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