The invention belongs to the technical field of commercial vehicle hydraulic retarder control, and discloses a hydraulic retarder control device and method based on a switch type electromagnetic valve, the hydraulic retarder control device based on the switch type electromagnetic valve comprises a pressure limiting valve, a relay valve, an air inlet electromagnetic valve and an exhaust electromagnetic valve, an inlet of the pressure limiting valve is connected with an air source, an air inlet of the relay valve is in fluid connection with an outlet of the pressure limiting valve through a first gas pipeline, an air outlet of the relay valve is in fluid connection with the hydraulic retarder, and the air inlet electromagnetic valve is in fluid connection with the outlet of the pressure limiting valve through a second gas pipeline; the exhaust electromagnetic valve is in fluid connection between an air outlet of the air inlet electromagnetic valve and a control piston upper cavity of the relay valve; the air inlet electromagnetic valve and the exhaust electromagnetic valve are both switch type electromagnetic valves. The two switch type electromagnetic valves are adopted to control the relay valve, accurate control over the pressure of compressed gas can be achieved, and the beneficial effects of being fast in response and low in cost are achieved.

    本发明属于商用车液力缓速器控制技术领域,公开了一种基于开关式电磁阀的液力缓速器控制装置和控制方法,基于开关式电磁阀的液力缓速器控制装置包括限压阀、继动阀、进气电磁阀和排气电磁阀,限压阀的入口连接气源,继动阀的进气口通过第一气体管路流体连接于限压阀的出口,继动阀的出气口流体连接于液力缓速器,进气电磁阀通过第二气体管路流体连接于限压阀的出口;排气电磁阀流体连接于进气电磁阀的出气口和继动阀的控制活塞上腔之间;进气电磁阀和排气电磁阀均为开关式电磁阀。本发明采用两个开关式电磁阀控制继动阀,可以实现压缩气体压力的精准控制,具有响应快、成本低的优点。


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    Titel :

    Hydraulic retarder control device and control method based on switch type electromagnetic valve


    Weitere Titelangaben:

    一种基于开关式电磁阀的液力缓速器控制装置和控制方法


    Beteiligte:
    ZHANG JUN (Autor:in) / WAN LI'EN (Autor:in) / CHEN YUCHAO (Autor:in) / MA MINGWU (Autor:in) / LI FABING (Autor:in) / QU JIANGANG (Autor:in) / LIU MINGMING (Autor:in) / QIAO YANHUI (Autor:in) / HE GUANGYU (Autor:in) / JIA WEIQI (Autor:in)

    Erscheinungsdatum :

    22.06.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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