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    • 2. 发明申请
    • ANTI-PINCHING DEVICE
    • 防夹
    • WO2008025422A3
    • 2008-04-17
    • PCT/EP2007006697
    • 2007-07-28
    • BROSE FAHRZEUGTEILEWUERSTLEIN HOLGERWEINGAERTNER THOMASMUELLER WOLF-CHRISTIAN
    • WUERSTLEIN HOLGERWEINGAERTNER THOMASMUELLER WOLF-CHRISTIAN
    • H03K17/955E05F15/00
    • H03K17/955E05F15/46E05Y2900/546
    • An anti-pinching device (18) for a pivotable actuating element (6) of a motor vehicle (2) is specified. Said device comprises a capacitive sensor (8) which is intended to contactlessly detect an obstacle in the path of the actuating element (6) and has an electrode (14) for generating an external electric field opposite a counterelectrode (16), wherein the electrode (14) extends in a radial direction (R) of the pivoting movement of the actuating element (6), and a control unit (10) which is set up to interpret a change in a measurement capacitance (CM), which is formed between the electrode (14) and the counterelectrode (16), as pinching when the changed measurement capacitance (CM) exceeds a triggering threshold (A) which is predefined on the basis of an opening angle (f) of the pivotable actuating element (6) and to track the triggering threshold (A). In order to achieve greater detection reliability of the anti-pinching device (18), the electrode (14) is subdivided into a plurality of segments (12) along the radial direction (R), wherein the control unit (10) is set up to track the triggering threshold (A) in a manner assigned to segments.
    • 指定用于机动车辆(2)的可枢转控制元件(6)的防夹装置(18)。 这包括电容传感器(8),用于非接触检测在所述致动元件(6)的路径具有用于产生外部相对于反电极(16)的电场的电极(14)的障碍物的,所述电极(14)(在径向方向上 致动元件的枢转运动的R)(其适于6),以及控制单元(10)(的变化(在电极16之间)和对置电极16)的测量电容(CM)的结构被解释为一个俘获例如,当 改变的测量电容(CM)是可枢转的致动元件(6)预定的触发阈值(一个)超过的打开角度(F)的函数,以及所述触发阈值(一个)进行跟踪。 为了实现检测沿径向(R)抗捕获器(18),电极(14)中的更高的可靠性成多个段(12)的分割,其中,所述控制单元(10)是eingereichtet用于触发阈值(A)分配给跟踪段。