The invention relates to the technical field of new energy vehicles, and provides an electric vehicle energy saving method and device and the electric vehicle. The method comprises the steps that according to the wheel radius of the electric vehicle, a motor rotating speed interval where the efficiency of a motor of the electric vehicle is larger than a first preset value and the transmission ratio of a transmission system, calculating a target vehicle speed interval where the efficiency of the motor is larger than the first preset value; and controlling the electric vehicle to run at the vehicle speed in the target vehicle speed interval. The power consumption of the electric automobile can be further reduced, and the cruising ability of the electric automobile is greatly improved.

    本发明涉及新能源汽车技术领域,提供一种电动汽车节能方法、装置以及电动汽车。所述方法包括:根据所述电动汽车的车轮半径、所述电动汽车的电机的效率大于第一预设值的电机转速区间以及传动系统传动比,计算所述电机的效率大于所述第一预设值的目标车速区间;控制所述电动汽车以所述目标车速区间中的车速行驶。本发明可以将电动汽车的电耗进一步降低,极大的改善电动汽车的续航能力。


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    Title :

    Electric vehicle energy saving method and device and electric vehicle


    Additional title:

    电动汽车节能方法、装置以及电动汽车


    Contributors:
    HU ZHIMIN (author) / HOU WENTAO (author) / TIAN FUGANG (author) / CHEN YUFENG (author) / GAO TIAN (author) / DIAO HONGBIN (author)

    Publication date :

    2020-12-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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