The invention provides a fire alarm system and method of a new energy automobile and the new energy automobile, and the fire alarm system comprises a battery management system, a fire extinguishing system including a fire extinguishing controller used for judging whether a battery pack is in a safe state or not according to the voltage of each single battery cell, the voltage of the battery pack,the temperature of each position, the gas concentration and the smoke concentration, and judging the alarm level of the battery pack when the battery pack is in a non-safe state, and controlling an alarm device and a fire extinguishing device according to the alarm level, and a whole vehicle controller used for receiving the alarm level from the fire extinguishing controller so as to control the whole vehicle. The system obtains the state of the battery pack by analyzing and judging the voltage of each single battery cell, the voltage of the battery pack, the temperature of each position, thegas concentration and the smoke concentration, can realize comprehensive and comprehensive fire detection and prevention according to the state of the battery pack, has timeliness and accuracy, and can effectively avoid fire explosion of the battery pack.
本发明提出一种新能源汽车的火情报警系统、方法以及新能源汽车,其中,火情报警系统包括:电池管理系统;灭火系统,灭火控制器用于根据各单体电芯的电压、电池组的电压、各位置的温度、气体浓度和烟雾浓度,判断电池组是否处于安全状态,并在电池组处于非安全状态时,判断电池组所处的警报等级,并根据警报等级对报警装置、灭火装置进行控制;整车控制器,用于接收来自灭火控制器的警报等级,以对整车进行控制。该系统通过分析和判断各单体电芯的电压、电池组的电压、各位置的温度、气体浓度和烟雾浓度,获得电池组的状态,能够根据电池组的状态实现全面、综合性的火情探测与预防,且具有及时性、准确性,能够有效避免电池组发生起火爆炸。
Fire alarm system and method of new energy automobile and new energy automobile
新能源汽车的火情报警系统、方法以及新能源汽车
2021-03-02
Patent
Electronic Resource
Chinese
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