The invention discloses a multifunctional protection device for a battery system, which comprises two high-voltage connectors for connecting batteries, and the high-voltage connector, a high-voltage contactor, a manual maintenance switch and the high-voltage connector are sequentially connected through conductive bands; the high-voltage contactor can switch on or off states according to a received control signal; the manual maintenance switch can be switched on or off by shifting the manual maintenance switch. The protection device is connected in series in the battery system to save the total cost of the battery system; the protection device realizes dual protection by using the high-voltage contactor and the manual maintenance switch, reduces the safety risk when the whole vehicle breaks down, ensures the personnel safety, effectively cuts off the battery system in real time according to the control strategy of the battery system, and has a better protection effect on the battery system of a passenger car. The protection device has the advantages of being flexible in installation and convenient to maintain, and overall arrangement of the whole vehicle battery system is better facilitated.
本发明公开了一种电池系统多功能保护装置,包括两个用于连接电池的高压连接器,高压连接器、高压接触器、手动维修开关和高压连接器依次通过导电带连接;高压接触器可根据接收到的控制信号切换接通或断开状态;手动维修开关可根据拨动手动维修开关切换接通或断开状态。保护装置串联于电池系统当中,节约电池系统的总体成本;保护装置利用高压接触器和手动维修开关实现双重防护,降低整车发生故障时的安全风险,保障了人员安全,根据电池系统的控制策略对电池系统实行有效实时的切断,对客车电池系统具有较好的保护作用。保护装置具有安装灵活、维护方便的特点,更加有利于整车电池系统的总体布置。
Multifunctional protection device for battery system
一种电池系统多功能保护装置
2021-07-02
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |