Capacitive load cell having an array of synthetic fibers between two fabric layers
    1.
    发明公开
    Capacitive load cell having an array of synthetic fibers between two fabric layers 有权
    与合成纤维织物的两层之间的矩阵电容性负载单元

    公开(公告)号:EP1688717A1

    公开(公告)日:2006-08-09

    申请号:EP06075227.6

    申请日:2006-02-02

    CPC classification number: G01G19/4142 G01G7/06

    Abstract: A capacitive load cell apparatus (12) includes upper and lower capacitor plates (30, 28) and an intermediate dielectric (22) in the form of a synthetic knit spacer material having upper and lower fabric layers (22a, 22b) interconnected by an array of deflectable synthetic fibers (22c). When occupant weight is applied to the seat (10), the synthetic fibers (22c) deflect to locally reduce the separation between the upper and lower capacitor plates (30, 28), and the consequent change in capacitance is detected as a measure of the applied weight (14). The load cell (12) or just the dielectric (22) may be encased in a polymeric sheath (40, 42) to prevent intrusion of foreign matter, and a fluid such as silicone may be dispersed in woven dielectric (22).

    Abstract translation: 电容载荷传感器装置(12)包括上部和下部电容器板(30,28),并且在具有上部和下部织物层的合成针织间隔材料的形式的中间电介质(22)(22A,22B)由阵列互连, 的偏转的合成纤维(22C)。 当乘员重量施加至所述座椅(10),合成纤维(22℃)偏转到局部地减小上部和下部电容器板之间的间隔(30,28),并且在电容随之变化被检测为的量度 施加重物(14)。 负载传感器(12)或仅仅是电介质(22)可以在聚合物护套(40,42),以防止异物侵入被装入,和流体:如硅树脂可以在编织电介质(22)进行分散。

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