The invention relates to a short-circuit protection system and a power battery system of an electric vehicle. The system comprises a current monitoring device, a control module and a circuit break protection device, the current monitoring device is used for monitoring the current of a main loop of the to-be-protected circuit system and outputting an overcurrent alarm signal under the condition that short-circuit current is monitored; the control module is used for outputting an open circuit driving signal to the open circuit protection device according to the overcurrent alarm signal and a set strategy; the circuit break protection device is connected in series with the main loop and is used for responding to short-circuit current of the main loop to be triggered to be in a disconnected state in a self-triggering mode or responding to a circuit break driving signal to be triggered to be in the disconnected state in a triggering mode except for the triggering mode, and therefore the main loop is disconnected. According to the scheme provided by the invention, the reliability of circuit break protection can be improved.
本申请涉及一种短路保护系统及电动交通工具的动力电池系统。该系统包括:电流监测装置、控制模块、断路保护装置;电流监测装置用于监测待保护电路系统的主回路的电流,且在监测到短路电流的情况下输出过流告警信号;控制模块用于根据过流告警信号,按设定策略向断路保护装置输出断路驱动信号;断路保护装置串联于主回路,用于响应于主回路的短路电流以自触发方式被触发至断开状态,或响应于断路驱动信号以外触发方式被触发至断开状态,从而断开所述主回路。本申请提供的方案,能够提高断路保护的可靠性。
Short-circuit protection system and power battery system of electric vehicle
短路保护系统及电动交通工具的动力电池系统
2022-08-05
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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