The invention discloses an electronic vacuum pump control method and system of an electric automobile and the electric automobile. When the starting threshold value of the electronic vacuum pump is adjusted, a predetermined condition related to the vacuum degree of the vacuum booster only needs to be set; after a first vacuum degree and a second vacuum degree of the electronic vacuum pump are acquired, in combination of the predetermined condition, the starting threshold value of the electronic vacuum pump can be adjusted. That is to say, the starting threshold of the electronic vacuum pump isadjusted according to the vacuum degree of the vacuum booster; the vacuum degree of the vacuum booster can be acquired by utilizing an inherent hardware vacuum boosting sensor; an atmospheric pressure sensor does not need to be additionally introduced, so that the hardware cost is saved, the situation that extra hardware resources fail due to the fact that the extra hardware resources are not introduced is avoided, and the reliability of adjusting the starting threshold value of the electronic vacuum pump is improved.

    本发明公开了一种电动汽车的电子真空泵控制方法、系统及电动汽车,在调整电子真空泵的开启阈值时,只要设定与真空助力器的真空度相关的预定条件,并在采集到电子真空泵的第一真空度和第二真空度后,结合预定条件就可以调整电子真空泵的开启阈值,也就是说,根据真空助力器的真空度调整电子真空泵的开启阈值,而真空助力器的真空度可以利用其固有的硬件真空助力传感器进行采集,无需额外引入大气压力传感器,节省了硬件成本,由于未引入额外的硬件资源,也就不会发生额外的硬件资源发生故障的情况,提高了调整电子真空泵的开启阈值的可靠性。


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    Title :

    Electronic vacuum pump control method and system of electric automobile and electric automobile


    Additional title:

    电动汽车的电子真空泵控制方法、系统及电动汽车


    Contributors:
    YU KAIXUAN (author)

    Publication date :

    2020-09-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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