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    • 74. 发明公开
    • Passenger's weight measurement device for vehicle seat
    • 汽车座椅的乘客体重测量装置
    • EP2407342A1
    • 2012-01-18
    • EP11181454.7
    • 2006-09-29
    • TS Tech Co., Ltd.
    • Takayasu, WataruIshima, Shinya
    • B60N2/44G01G19/12G01G19/52
    • G01G19/08B60N2/002B60N2/06B60N2/4263B60N2/90B60R21/015B60R21/01516B60R21/0152B60R2021/01516G01G19/4142Y10S177/09Y10S411/946
    • An upper rail (4) is movable in a rear and front direction with respect to a lower rail (3) fixed to a vehicle floor. A load sensor (21) is fixed to an upper surface of the upper rail (4), and a rectangular frame (30) is attached onto the load sensor (21). A rod (21c) of the load sensor (21) sequentially penetrates a web (31a) of the rectangular frame (30), a plain washer (43) and a spring holder (45) upward, and a coil spring (44) is wound around the rod (21c). A bush (43a) is fitted to an edge of a hole of the plain washer (43), and a step difference (43b) is formed between an upper surface of the plain washer (43) and the bush (43a). A nut (46) is screwed to the rod (21c), and the nut (46) tightens a bottom of a cup portion (45c) of the spring holder (45). In such a way, the coil spring (44) is sandwiched between the spring holder (45) and the web (31a) and is compressed, and an end portion of the coil spring (44) engages with the step difference (43b).
    • 上部导轨(4)能够相对于固定在车辆地板上的下部导轨(3)沿前后方向移动。 载荷传感器(21)固定在上导轨(4)的上表面,矩形框架(30)安装在载荷传感器(21)上。 负载传感器21的杆21c依次穿过矩形框架30的腹板31a,平垫圈43和弹簧座45,并且螺旋弹簧44是 围绕杆(21c)缠绕。 在平垫圈(43)的孔的边缘嵌入衬套(43a),在平垫圈(43)的上表面与衬套(43a)之间形成台阶(43b)。 螺母(46)拧到杆(21c)上,螺母(46)拧紧弹簧座(45)的杯形部分(45c)的底部。 这样,螺旋弹簧44夹在弹簧座45与腹板31a之间并被压缩,螺旋弹簧44的端部与台阶43b卡合。
    • 78. 发明公开
    • Capacitive occupant detection system with interference detection
    • Kapazitives Insassenerkennungssystem mitStörungserkennung
    • EP2353946A1
    • 2011-08-10
    • EP10152678.8
    • 2010-02-04
    • IEE International Electronics & Engineering S.A.
    • Wendt, ChristophKhan, DarrenPuetz, MichaelTonteling, MarcFavalli, Gianluca
    • B60R21/015B60N2/00
    • B60N2/002B60R21/01532
    • A capacitive occupant detection system (10) comprises a sine signal generator (12) to apply a sine voltage signal to an antenna electrode (14) and a current measurement circuit (18, 20, 28, 30, 40) to measure current signals, based upon which a control and evaluation unit determines and outputs an occupancy state. The signal generator (12) is coupled to the antenna electrode via an amplitude adjustment stage (13), configured to adjust the amplitude of said sine voltage signal applied to said antenna electrode to an amplitude selected among at least two discrete amplitudes. The control and evaluation circuit selects one of the discrete amplitudes at a time and causes the amplitude adjustment stage to adjust the amplitude of said the voltage signal applied to the antenna electrode accordingly. The control and evaluation circuit carries out an interference detection mode and an occupant detection mode. In interference detection mode, the current signals are measured while a low one of the at least two discrete amplitudes is selected and it is determined whether the antenna electrode is exposed to interference. In occupant detection mode, the current signals are measured while a high one of the at least two discrete amplitudes is selected and occupancy state is determined based upon the current signals thus measured.
    • 电容乘员检测系统(10)包括正弦信号发生器(12),用于向天线电极(14)和电流测量电路(18,20,28,30,40)施加正弦电压信号以测量电流信号, 基于该控制和评估单元确定并输出占用状态。 信号发生器(12)经由幅度调节级(13)耦合到天线电极,该幅度调节级被配置为将施加到所述天线电极的所述正弦电压信号的振幅调整到从至少两个离散振幅中选择的振幅。 控制和评估电路一次选择一个离散振幅,并使幅度调整级相应地调节施加到天线电极的所述电压信号的幅度。 控制和评估电路执行干扰检测模式和乘员检测模式。 在干扰检测模式中,当选择了至少两个离散幅度中的较低的一个时测量电流信号,并确定天线电极是否暴露于干扰。 在乘员检测模式中,在选择至少两个离散幅度中的高一个时测量电流信号,并且基于如此测量的电流信号来确定占用状态。