The present invention discloses a built-in tire pressure monitoring and alarming device. A housing (1) is provided therein with a reference chamber (4) and an inlet pipe (402) extended from the reference chamber (4) to a valve stem (2), and a reference chamber valve (7) capable of sealing and opening the inlet pipe (402) is mounted within the inlet pipe (402). A throttle core (702) of the reference chamber valve (7) is directly resisted against a core bar (301) of a throttle core (3). During the tire is inflated, the throttle core (3) is pushed open, the core bar (301) of the throttle core (3) is pushed against the valve core (702), and then the reference chamber valve (7) is opened so that the reference chamber (4) is inflated. After the inflation is accomplished, the throttle core (3) is restored and the reference chamber valve (7) is closed so that the reference chamber (4) is sealed. When the pressure within a tire is too low, an elastic metal diaphragm (401) on the wall of the reference chamber will generate an outward deformation due to the difference in pressure; and, when the deformed metal diaphragm comes into contact with the anode contact of an alarming signal transmitting module (5), the alarming signal transmitting module (5) is powered on and sends a signal, and then the alarming device on a vehicle receives the signal and gives an alarming. The alarming device is of mechanical sensing and is stable and reliable in operation, and thus capable of functioning in severe working environments; furthermore, the alarming device has the advantages of low failure rate and relatively low cost.


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    Titel :

    BUILT-IN WARNING DEVICE FOR MONITORING TIRE PRESSURE


    Weitere Titelangaben:

    EINGEBAUTE WARNVORRICHTUNG ZUR REIFENDRUCKÜBERWACHUNG
    DISPOSITIF D'AVERTISSEMENT INTÉGRÉ POUR CONTRÔLE DE PRESSION DE PNEUMATIQUE


    Beteiligte:
    LU HONGYAN (Autor:in)

    Erscheinungsdatum :

    2015-05-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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