The invention discloses a multifunctional internally-installed tire pressure sensor. The sensor comprises a valve nozzle formed in the outer side of a tire and a sensor body arranged in the tire; a detection chip which is electrically connected with a PCB and used for detecting the pressure of the tire is arranged at the position, in the direction facing the groove bottom, of the PCB, and a gas groove for storing gas of the tire is embedded in the bottom end of the detection chip; an open hole communicated with the tire is formed in the bottom of a second containing groove, the open hole is connected with the gas groove through sealing silica gel, and then a sealed gas cavity is defined by the open hole, the gas groove and the sealing silica gel; the detection chip detects gas pressure in the sealed gas cavity to obtain gas pressure of the tire; a positive electrode elastic sheet is arranged on a battery positive electrode piece, and a negative electrode elastic sheet is arranged on a battery negative electrode piece; and after the battery positive electrode piece and the battery negative electrode piece are fixed to a button battery, the positive electrode elastic sheet and the negative electrode elastic sheet penetrate the second containing groove to be fixed to the PCB and are electrically connected with the PCB. The multifunctional internally-installed tire pressure sensor is accurate in tire pressure detection result, rapid and convenient to dismount and mount, and good in electric contact performance.


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    Title :

    Multifunctional internally-installed tire pressure sensor


    Contributors:
    WU MING (author) / ZENG XIAOSHAN (author)

    Publication date :

    2015-08-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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