The invention provides a commercial vehicle and a commercial vehicle electronic parking brake system. According to the commercial vehicle, an air storage unit is connected with a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve through air channels; the first electromagnetic valve is electrically connected with an electronic control unit (ECU) and is respectively connected with a trailer valve and a rear axle module gas circuit; the second electromagnetic valve is electrically connected with the control switch and is connected with a trailer valve gas circuit; the third electromagnetic valve is electrically connected with the control switch, the third electromagnetic valve is respectively connected with the middle and rear axle diaphragm spring brake chamber and a trailer valve gas circuit, and the rear axle module is connected with the middle and rear axle diaphragm spring brake chamber gas circuit; and the fourth electromagnetic valve is electrically connected with the control switch and is connected with a trailer valve gas circuit. According to the system, parking braking of the commercial vehicle is achieved in an electronic control mode, and the functions of parking braking, automatic parking, hill starting, emergency braking, trailer position detection, trailer independent braking and the like in the vehicle running process are integrated.

    本发明提供一种商用车及商用车电子驻车制动系统,其方案在于:储气单元分别与第一电磁阀、第二电磁阀、第三电磁阀及第四电磁阀气路相连;第一电磁阀与电控单元ECU电连接,第一电磁阀分别与挂车阀、后桥模块气路相连;第二电磁阀与控制开关电连接,第二电磁阀与挂车阀气路相连;第三电磁阀与控制开关电连接,第三电磁阀分别与中后桥膜片弹簧制动气室、挂车阀气路相连,后桥模块与中后桥膜片弹簧制动气室气路相连;第四电磁阀与控制开关电连接,第四电磁阀与挂车阀气路相连。本系统以电子控制方式实现商用车的驻车制动,将车辆行驶过程中的驻车制动、自动驻车、坡道起步、应急制动、挂车位置检测、挂车独立制动等功能整合于一体。


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    Title :

    Commercial vehicle and commercial vehicle electronic parking brake system


    Additional title:

    商用车及商用车电子驻车制动系统


    Contributors:
    YANG ZHIGANG (author) / XU ZHAO (author) / HONG GUANGYUAN (author) / DU BIN (author) / FANG HUIPING (author)

    Publication date :

    2021-10-12


    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