The invention provides a starting method and device of an electric vehicle. The starting method and device are suitable for a battery management system (BMS) of the electric vehicle. The method comprises the steps that when a wake-up signal is received, a BMS is powered on, and insulation detection on a high-voltage system of the electric vehicle is started. And if it is detected that the high-voltage system does not have the insulation fault and a vehicle ignition signal of the electric vehicle is detected within a preset time period, the BMS controls the high-voltage system to conduct high-voltage power-on on the electric vehicle so as to start the electric vehicle. By adopting the method, the starting safety of the electric automobile can be improved, and the applicability is high.
本申请提供了一种电动汽车的启动方法及装置,其适用于电动汽车的电池管理系统BMS。该方法包括:当接收到唤醒信号时,BMS上电并启动对电动汽车的高压系统的绝缘检测。若检测得到高压系统不存在绝缘故障,且在预设时长内检测到电动汽车的车辆点火信号,则BMS控制高压系统对电动汽车进行高压上电,以启动电动汽车。采用本申请,可提高电动汽车的启动安全性,适用性高。
Starting method and device of electric automobile
电动汽车的启动方法及装置
2022-04-08
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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