The invention provides a safety protection system of an electric automobile and the electric automobile, and the system comprises a safety air bag control unit which is used for detecting the collision accident of the electric automobile and outputting a first pulse signal and a first control signal to the outside; the current sensing unit is used for detecting an over-current accident of the electric vehicle and outputting an over-current signal to the outside; the thermal runaway detection module is used for detecting a thermal runaway accident of the electric vehicle and outputting a thermal runaway signal to the outside; the battery management module is respectively coupled to the current sensing unit and the thermal runaway detection module; the battery management module is used for outputting a second pulse signal and a second control signal according to the overcurrent signal and/or the thermal runaway signal; the battery management module is also used for outputting a second control signal to the outside according to the first control signal; the quick-break device unit is connected in series in the high-voltage loop and is coupled to the safety airbag control unit and the battery management module; and the switch is used for cutting off the high-voltage loop according to the first pulse signal and/or the second pulse signal.
本发明提供了一种电动汽车的安全保护系统及电动汽车,该系统包括:安全气囊控制单元,用于检测电动汽车发生碰撞事故并对外输出第一脉冲信号和第一控制信号;电流传感单元,用于检测电动汽车发生过流事故并对外输出过流信号;热失控检测模块,用于检测电动汽车发生热失控事故并对外输出热失控信号;电池管理模块,分别耦接至电流传感单元和热失控检测模块;电池管理模块用于根据过流信号和/或热失控信号,对外输出第二脉冲信号和第二控制信号;电池管理模块还用于根据第一控制信号,对外输出第二控制信号;速断装置单元,串联在高压回路中,并耦接至安全气囊控制单元和电池管理模块;其用于根据第一脉冲信号和/或第二脉冲信号,切断高压回路。
Safety protection system of electric automobile and electric automobile
一种电动汽车的安全保护系统及电动汽车
2023-10-13
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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