The invention relates to an electropneumatic hand brake system (10) for a vehicle having a spring-loaded brake, comprising: a pneumatic relay valve (11); a bistable solenoid valve (12) to control the relay valve (11); and a control unit (46) to control the bistable solenoid valve (12), where an outlet of the relay valve (11) is connected to a port (18) for the spring-loaded brake, and where an inlet of the bistable solenoid valve (12) is arranged for connection to a line (22) carrying a ventilation pressure, where the line (22) is connected to the port (18) for the spring-loaded brake. The electropneumatic hand brake system (10) further comprises a self-retaining switching valve provided with a control input, which is arranged in front of the inlet of the bistable solenoid valve (12), in which a) the self-retaining switching valve (13) can be moved against the force of a restoring element from a blocking position to a through-flow position when there is sufficient pressure at its control input, and a) the self-retaining switching valve (13) can be moved against the force of the restoring element from the blocking position to the through-flow position when there is sufficient pressure at its control input. B) the outlet of the self-retaining switching valve (13) is connected to the inlet of the bistable solenoid valve (12), and c) the control input of the self-retaining switching valve (13) is also connected to a signal line via which a signal pressure can be fed to the control input as a control pressure at least in a short time, and d) the self-retaining switching valve (13) connects its outlet to its inlet in its flow position, and e) the self-retaining switching valve (13) connects its outlet (25) to a bleed outlet in its blocking position.

    本发明涉及一种电动气动手制动系统(10),用于具有弹簧加载的制动器的车辆,该电动气动手制动系统包括:气动继动阀(11);双稳态螺线管阀(12),以控制所述继动阀(11);以及控制单元(46),以控制所述双稳态螺线管阀(12),其中,所述继动阀(11)的出口连接到用于所述弹簧加载的制动器的端口(18),并且其中,所述双稳态螺线管阀(12)的入口被设置成用于连接到承载通气压力的管线(22),所述电动气动手制动系统(10)进一步包括设有控制输入端的自固位切换阀,其被设置在所述双稳态螺线管阀(12)的所述入口之前,其中,a)当在其控制输入端处有足够的压力时,所述自固位切换阀(13)可以抵抗恢复元件的力从阻塞位置移动到通流位置,并且b)所述自固位切换阀(13)的出口连接到所述双稳态螺线管阀(12)的所述入口,并且c)所述自固位切换阀(13)的所述控制输入端还连接到信号线路,经由所述信号线路,可以至少在短时间内将信号压力作为控制压力馈送到所述控制输入端,并且d)所述自固位切换阀(13)在其通流位置将其出口与其入口连接,并且e)所述自固位切换阀(13)在其阻塞位置将其出口(25)与放气出口连接。


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    Titel :

    Electric pneumatic hand braking system


    Weitere Titelangaben:

    电动气动手制动系统


    Beteiligte:
    DUCKMANN RUDOLF (Autor:in) / SEMENIUK MACIEJ (Autor:in) / BILNATH MARCIN (Autor:in)

    Erscheinungsdatum :

    2023-07-18


    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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