The embodiment of the invention provides a method and device for calculating the remaining mileage of an electric vehicle, and the method comprises the steps: obtaining the battery remaining energy of a battery vehicle and the driving energy consumption of the whole vehicle, and calculating the theoretical remaining mileage of the electric vehicle according to the battery remaining energy and the driving energy consumption of the whole vehicle; detecting external temperature, determining a corresponding driving temperature model according to the external temperature, and performing electric quantity correction on the residual energy of the battery according to the driving temperature model to obtain corrected actual electric quantity; obtaining the current driving data of the electric vehicle, determining the actual energy consumption of the whole vehicle in the current driving according to the current driving data, and correcting the driving energy consumption of the whole vehicle according to the actual energy consumption of the whole vehicle to obtain the corrected actual energy consumption; and calculating and displaying the remaining mileage of the electric vehicle according to the actual electric quantity and the actual energy consumption. By adopting the method, the remaining driving mileage of the electric vehicle can be accurately estimated, and a vehicle owner can make a driving plan more accurately.

    本发明实施例提供一种电动汽车剩余里程计算方法及装置,所述方法包括:获取电池汽车的电池剩余能量以及整车行驶能耗,根据电池剩余能量及整车行驶能耗计算得到电动汽车的理论剩余里程;检测外界温度,根据外界温度确定对应的行驶温度模型,根据行驶温度模型对电池剩余能量进行电量修正,得到修正后的实际电量;获取电动汽车本次行驶数据,根据本次行驶数据确定本次行驶中的整车实际能耗,根据整车实际能耗对整车行驶能耗进行能耗修正,得到修正后的实际能耗;根据实际电量及实际能耗计算电动汽车的剩余行驶里程并显示。采用本方法能够准确的预估出电动汽车的剩余行驶里程,让车主更准确的制定行驶计划。


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    Titel :

    Method and device for calculating remaining mileage of electric vehicle


    Weitere Titelangaben:

    电动汽车剩余里程计算方法及装置


    Beteiligte:
    WU SHENGYU (Autor:in) / ZHANG ZHAN (Autor:in) / PENG CHENG (Autor:in)

    Erscheinungsdatum :

    2021-12-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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