The invention discloses a charging reminding method and system for an electric vehicle. The charging reminding method comprises the steps: acquiring the remaining electric quantity of a battery of the electric vehicle; when the residual electric quantity is less than a preset electric quantity threshold value and the running time in one start-stop period exceeds a preset time, acquiring a current running route and a current time point of the electric vehicle in the start-stop period; determining a future expected driving route of the electric vehicle based on the current driving route and the current time point, and acquiring road condition information of the expected driving route; obtaining the electric quantity use condition of the electric vehicle in the start-stop period; based on the expected driving route, the road condition information of the expected driving route and the electric quantity use condition, determining the estimated consumed electric quantity of the electric vehicle; when the estimated consumed electric quantity is smaller than the residual electric quantity of the battery of the electric vehicle in the preset proportion, controlling the electric vehicle to execute electric quantity early warning. According to the invention, endurance estimation can be carried out on a user in time, and the situation that the electric vehicle is parked on a half road due to forgetting to charge is avoided.

    本发明公开了一种电动汽车的充电提醒方法、系统,包括:获取电动汽车的电池的剩余电量;在剩余电量低于预设的电量阈值且在一个启停周期内已行驶超过预设时间时,获取电动汽车在该启停周期内的当前已行驶路线和当前时间点;基于当前已行驶路线和当前时间点确定电动汽车未来的预期行驶路线,并获取该预期行驶路线的路况信息;获取电动汽车在该启停周期内的电量使用情况;基于预期行驶路线、该预期行驶路线的路况信息以及电量使用情况确定电动汽车的预估耗损电量;以及在预估耗损电量小于预设比例的电动汽车的电池的剩余电量时,控制电动汽车执行电量预警本发明可以及时对使用人员进行续航预估,并避免电动汽车忘记充电导致其被停在半路。


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    Titel :

    Charging reminding method and system for electric vehicle


    Weitere Titelangaben:

    一种电动汽车的充电提醒方法、系统


    Beteiligte:
    WANG SHUYA (Autor:in)

    Erscheinungsdatum :

    2021-08-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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