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    • 7. 发明授权
    • Collision detection device
    • 碰撞检测装置
    • US09016142B2
    • 2015-04-28
    • US13133689
    • 2009-12-16
    • Hiroyuki TakahashiTakatoshi Tanabe
    • Hiroyuki TakahashiTakatoshi Tanabe
    • G01L5/00B60R19/48B60R21/0136
    • G01L5/0052B60R19/483B60R21/0136
    • A collision detection device which can determine in a short time a collision to each portion of a chamber member in the longitudinal direction thereof and which is highly reliable. A collision determination system (10) is provided with: a chamber member (20) which is disposed with the longitudinal direction thereof aligned with the vehicle width direction, has a pressure chamber (22) formed therein, and is provided forward of bumper reinforcement (14); a pair of pressure sensors (24) which is provided to the chamber member (20) at positions spaced from each other in the longitudinal direction thereof and outputs a signal corresponding to a variation in the pressure within the pressure chamber (22); and a collision determination ECU (26). The ECU (26) determines that a collision has occurred if the value of detection by either of the pair of pressure sensors (24) is greater than a first threshold value and, at the same time, the value of detection by the other of the pair is greater than a second threshold value which is set to be greater than the first threshold value.
    • 一种碰撞检测装置,其可以在短时间内确定室构件在其纵向方向上的每个部分的碰撞并且是高度可靠的。 碰撞确定系统(10)具有:沿其纵向与车辆宽度方向对准设置的室构件(20),其上形成有压力室(22),并且设置在保险杠加强件( 14); 一对压力传感器(24),其在其纵向方向上彼此间隔开的位置处设置到所述室构件(20),并输出与所述压力室(22)内的压力变化相对应的信号; 和碰撞判定ECU(26)。 如果所述一对压力传感器(24)中的任一个的检测值大于第一阈值,则ECU(26)确定发生了碰撞,并且同时,检测到的值 对大于被设置为大于第一阈值的第二阈值。