The invention provides a charging method and system for electric vehicle rescue, and relates to the field of vehicles. The charging method for electric vehicle rescue comprises: detecting whether a plurality of systems in a rescue vehicle are normal or not after receiving a trigger instruction for connecting the rescue vehicle with a rescued vehicle, wherein the plurality of systems comprise a battery management system, a range extender and an air conditioning system; when the plurality of systems are normal, controlling the plurality of systems to carry out high-voltage power-on; starting therange extender and enabling the range extender to be in an idling non-power-generation state; and then controlling the rescue vehicle to enter a rescue mode, establishing signal connection between the rescue vehicle and the rescued vehicle, then controlling the range extender to generate electricity to charge a first power battery of the rescued vehicle, finally, controlling the range extender tostop generating electricity after the request that charging of the rescued vehicle is completed is received, and finishing charging rescue. The range extender in the rescue vehicle is used for charging the rescued vehicle, the charging time is short, and the safety is high.
本发明提供了一种电动车救援的充电方法及系统,涉及车辆领域。电动车救援的充电方法包括先在接收到救援车与被救援车连接的触发指令后检测救援车中多个系统是否正常,其中,多个系统包括电池管理系统、增程器和空调系统,并在多个系统均正常时控制多个系统进行高压上电,然后启动增程器并使增程器处于怠速不发电状态,之后控制救援车进入救援模式并使得救援车与被救援车建立信号连接,之后控制增程器发电以给被救援车的第一动力电池充电,最后在接收到被救援车充电完成的请求后控制增程器停止发电,充电救援结束。本发明利用救援车中的增程器给被救援车充电,充电时间短,安全性高。
Charging method and system for electric vehicle rescue
一种电动车救援的充电方法及系统
2020-06-12
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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