To improve detection accuracy of a vehicle seat seating sensor.SOLUTION: A vehicle seat seating sensor comprises an upper elastic sheet 11, a lower elastic sheet 12, and a spacer plate 13. The spacer plate 13 comprises oval openings 14 extending in a longer direction. In the upper elastic sheet 11 and the lower elastic sheet 12, electrode films 15 and 16 are formed in an area facing each opening 14. When the entire seat is curved in the longer direction so as to project downward by seating an occupant, a difference between a downward camber Ci of the upper elastic sheet 11 with respect to both ends in the longer direction of the opening 14 and a downward camber Co of the lower elastic sheet 12 becomes larger than a thickness t of the spacer plate, and thereby, the two electrode films 15 and 16 are brought into contact with each other and the seating is detected.SELECTED DRAWING: Figure 5

    【課題】車両用シート着座センサの検出精度の向上を図る。【解決手段】上弾性薄板11と、下弾性薄板12と、スペーサ板13と、を備え、スペーサ板13は、長手方向に延びる長円形の開口14を備え、上弾性薄板11と下弾性薄板12とは、各開口14に面する領域に電極膜15、16が形成されており、乗員の着座により全体が下に凸となるように長手方向に湾曲した際に、開口14の長手方向両端に対する上弾性薄板11の下方向の矢高Ciと下弾性薄板12の下方向の矢高Coとの差がスペーサ板の厚さtよりも大きくなることにより、2つの電極膜15、16が接触して着座を検出する。【選択図】図5


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    Title :

    VEHICLE SEAT SEATING SENSOR


    Additional title:

    車両用シート着座センサ


    Contributors:

    Publication date :

    2024-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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