The invention relates to a dormancy and awakening system of a vehicle-mounted battery management system. The system comprises a vehicle-mounted battery management system and external equipment connected with the vehicle-mounted battery management system, and further comprises a sensor detection circuit connected with the vehicle-mounted battery management system. The sensor detection circuit is used for detecting a state of a vehicle and outputting a corresponding state signal; the sensor detection circuit outputs a standing state signal when detecting that the vehicle stands, and outputs a running state signal when detecting that the vehicle is used; and the vehicle-mounted battery management system is used for detecting a discharge current of a battery pack and switching different working modes according to the state signal output by the sensor detection circuit, and the working modes comprise a sleep mode and a wake-up mode. In the invention, the vehicle-mounted battery management system can be awakened without depending on an awakening signal output by a vehicle control unit, operation power consumption of the vehicle control unit is reduced, battery utilization efficiency is improved, and a vehicle mileage is increased.
本发明涉及了一种车载电池管理系统的休眠和唤醒系统,包括车载电池管理系统、与车载电池管理系统连接的外部设备,还包括与车载电池管理系统连接的传感器检测电路,其中,传感器检测电路用于检测车辆的状态并输出对应的状态信号;传感器检测电路检测到车辆静置时输出静置状态信号,传感器检测电路检测到车辆使用时输出运行状态信号;车载电池管理系统用于检测电池包的放电电流和根据传感器检测电路输出的状态信号切换不同的工作模式,工作模式包括休眠模式和唤醒模式。本发明不依赖整车控制器输出的唤醒信号即可唤醒车载电池管理系统,降低了整车控制器的运行功耗,提高了电池利用效率,增加了车辆行驶里程。
Dormancy and awakening system and method of vehicle-mounted battery management system
一种车载电池管理系统的休眠和唤醒系统及方法
23.10.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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