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    • 5. 发明公开
    • Shock sensor
    • Stossfühler。
    • EP0545393A1
    • 1993-06-09
    • EP92120587.8
    • 1992-12-02
    • TOKIN CORPORATIONSENSOR TECHNOLOGY CO., LTD.
    • Gotoh, Noriyuki, c/o Tokin CorporationOhtuki, Yasunori, c/o Tokin CorporationYamamoto, Naoharu, c/o Tokin CorporationSada, Hiroyuki, c/o Sensor Technology Co., Ltd.Kuroiwa, Akihiko c/o Sensor Technology Co., Ltd.Moriyama, Hiroshi, c/o Sensor Technology Co., Ltd.
    • G01P15/135
    • G01P15/135H01H35/147
    • To detect an impact due to a shock with high precision and stability, a shock sensor provides a sufficiently long closure interval of a contact of a reed switch (1) enough to carry out signal processing. A gap between an outer surface of a magnet (2) and an inner wall (8) of a housing (7) defining a passage for the magnet (2) comprises a first gap (G1) between a stationary position and an activating position and a second gap (G2) between the activating position and a stop position. The inner wall (8) is formed so that the first gap (G1) is greater than the second gap (G2). The velocity of the magnet (2) is smaller in travelling in the second gap (G2) than in the first gap (G1) because air resistance is greater in the second gap (G2). Accordingly, the closure interval is increased. Alternatively, the closure interval of the contact of the reed switch (1) is adjusted by first and second coil springs (3, 49) which independently urge first and second magnets (2, 48) in an anti-impact direction, respectively. To cope with various collision modes, spring constants (k1, k2) of the first and the second coil springs (3, 49) and masses (m1, m2) of the first and the second magnets (2, 48) are selected while the velocity of shock-responsive movement is differed between a first group comprising the first magnet (2) and the first coil spring (3) and a second group comprising the second magnet (48) and the second coil spring (49).
    • 为了以高精度和稳定性检测冲击,冲击传感器提供了一个足以实现信号处理的舌簧开关(1)接触足够长的闭合间隔。 磁体(2)的外表面和限定用于磁体(2)的通道的壳体(7)的内壁(8)之间的间隙包括位于固定位置和启动位置之间的第一间隙(G1)和 在启动位置和停止位置之间的第二间隙(G2)。 内壁(8)形成为使得第一间隙(G1)大于第二间隙(G2)。 由于在第二间隙(G2)中的空气阻力较大,因此在第二间隙(G2)中,与第一间隙(G1)相比,磁体(2)的速度较小。 因此,闭合间隔增加。 或者,簧片开关(1)的接触的闭合间隔由分别在抗冲击方向上推动第一和第二磁体(2,48)的第一和第二螺旋弹簧(3,49)来调节。 为了应对各种碰撞模式,选择第一和第二螺旋弹簧(3,49)的弹簧常数(k1,k2)和第一和第二磁体(2,48)的质量(m1,m2),同时 冲击响应运动的速度在包括第一磁体(2)和第一螺旋弹簧(3)的第一组和包括第二磁体(48)和第二螺旋弹簧(49)的第二组之间是不同的。
    • 6. 发明公开
    • Crash sensor
    • Kollisionssensor。
    • EP0511556A2
    • 1992-11-04
    • EP92106553.8
    • 1992-04-15
    • SENSOR TECHNOLOGY CO., LTD.
    • Moriyama, Hiroshi, c/o Sensor Technology Co.,Ltd.Sada, Hiroyuki, c/o Sensor Technology Co.,Ltd.Shiozawa, Takeo, c/o Sensor Technology Co.,Ltd.
    • B60R21/00
    • B60R21/01332B60R21/0132
    • An electronic crash sensor which can operate appropriately in response to any form of crash of any vehicle, more especially to a high speed oblique or pole crash of a vehicle which has a less rigid body or to a compound crash which is compound of various forms of crash, to say nothing of a high speed oblique or pole crash of a vehicle which has a normal rigid body. An input acceleration waveform from an accelerometer is processed to peak cut any portion thereof lower than a predetermined value. Then, the value obtained by the said peak cutting is time integrated. Then, a time integrated value of a predetermined function is subtracted from the value obtained by the said time integration. Then, the value of the acceleration waveform thus obtained is firstly compared with a predetermined time function value, and when the former is higher than the latter, a triggering signal is developed, while a diffrential of the said values of the acceleration waveform per a predetermined time value is secondly compared with a predetermined value, and when the former is higher than the latter, a triggering signal is developed. And further, the said first comparing means and the said second comparing means are connect with a trigger circuit to trigger a passenger protecing apparatus called an air bag by way of a connecting means.
    • 一种电子碰撞传感器,其可以响应于任何车辆的任何形式的碰撞而适当地操作,更具体地涉及具有较少刚性体的车辆的高速倾斜或极点碰撞或复合碰撞,其是各种形式的 没有任何具有正常刚体的车辆的高速倾斜或极点碰撞。 来自加速度计的输入加速度波形被处理以将其任何部分的峰值切割成低于预定值。 然后,通过所述峰值切割获得的值被时间积分。 然后,从由所述时间积分获得的值中减去预定功能的时间积分值。 然后,首先将如此获得的加速度波形的值与预定的时间函数值进行比较,并且当前者高于后者时,产生触发信号,同时加速波形的每个预定值 时间值二次与预定值进行比较,当前者高于后者时,触发信号被产生。 此外,所述第一比较装置和所述第二比较装置与触发电路连接,以通过连接装置触发被称为气囊的乘客保护装置。