The invention relates to a dragging brake early warning system suitable for medium and heavy commercial vehicles, which is characterized by comprising a parking hand valve, an engine electronic control unit, a parking differential valve, an instrument assembly, an air pressure sensor, an alarm lamp and a warning sound, the engine electronic control unit is electrically connected with the instrument assembly through a CAN line, the parking hand valve is connected with the parking differential valve through a pipeline, the parking differential valve is further connected with braking systems of two rear wheels, an air pressure sensor is further arranged on the parking differential valve, and the air pressure sensor is connected with the instrument assembly through a pipeline. The air pressure sensor is used for monitoring the air pressure of the braking system of the two rear wheels, the air pressure sensor is also electrically connected with the instrument assembly, and the alarm lamp and the warning sound device are arranged on the instrument assembly. The design has the advantages of being simple in structure, easy to manufacture, practical and efficient.

    本发明涉及一种适用于中重型商用车拖刹预警系统,其特征在于:包括驻车手阀、发动机电子控制单元、驻车差动阀、仪表组件、气压传感器、报警灯及警示音,所述的发动机电子控制单元通过驻车开关与驻车手阀电相连,所述的发动机电子控制单元与仪表组件之间通过CAN线电连接,所述的驻车手阀与所述的驻车差动阀之间通过管路相连,所述的驻车差动阀又与两个后轮的制动系统相连,所述的驻车差动阀上还设置有气压传感器,通过气压传感器对两个后轮的制动系统的气压进行监测,所述的气压传感器也与仪表组件电连接,所述的报警警示灯及警示音装置设置在仪表组件上。本设计具有结构简单、易于制造和实用高效的优点。


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    Title :

    Towing brake early warning system suitable for medium-heavy commercial vehicle


    Additional title:

    一种适用于中重型商用车拖刹预警系统


    Contributors:
    ZHU CONGJUN (author) / PAN JINTAO (author) / ZHANG YUCHEN (author) / ZHANG ANQING (author) / XU GUIWU (author) / XIE GUANGJUN (author) / HE WANGWANG (author)

    Publication date :

    2022-12-06


    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 / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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