The invention discloses a control method for an electronic vacuum pump of an automobile. The control method comprises the steps that the vacuum degree of a vacuum booster is obtained; if the vacuum degree is smaller than or equal to the lower limit threshold, controlling the electronic vacuum pump to start; if the electronic vacuum pump is started and the vacuum degree is greater than the upper threshold, controlling the electronic vacuum pump to be closed; automobile working condition related information is obtained, wherein the automobile working condition related information comprises the continuous operation time of the electronic vacuum pump and the vacuum degree variable quantity of the vacuum degree in unit time or the opening degree variable quantity of a brake pedal of an automobile in unit time; when the continuous operation time is larger than the first time threshold value, the automobile is in the plateau working condition, and the upper limit threshold value is corrected according to a preset rule; and/or when the vacuum degree variable quantity is larger than the variable quantity threshold value or the opening degree variable quantity is larger than the opening degree threshold value, the automobile is in the emergency braking working condition, the lower limit threshold value is corrected to enable the corrected lower limit threshold value to be equal to the upper limit threshold value, sufficient and stable boosting vacuum can be provided, and the safety and comfort of the automobile are guaranteed.

    本发明公开了一种汽车的电子真空泵的控制方法,包括:获取真空助力器的真空度;若真空度小于或等于下限阈值,控制电子真空泵开启;若电子真空泵开启且真空度大于上限阈值,控制电子真空泵关闭;获取汽车工况相关信息,汽车工况相关信息包括电子真空泵持续运转的时间、以及真空度在单位时间内的真空度变化量或者汽车的制动踏板在单位时间的开度变化量;当持续运转的时间大于第一时间阈值,汽车处于高原工况,根据预设的规则修正上限阈值;和/或,当真空度变化量大于变化量阈值或开度变化量大于开度阈值,汽车处于紧急制动工况,修正下限阈值使修正后的下限阈值等于上限阈值,能够提供充足、稳定的助力真空,保证汽车安全性、舒适性。


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    Title :

    Control method of electronic vacuum pump of automobile


    Additional title:

    汽车的电子真空泵的控制方法


    Contributors:
    QIN YIXUAN (author) / WU DI (author) / YANG ZHIJIA (author) / WANG CHEN (author)

    Publication date :

    2024-01-26


    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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