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    • 8. 发明申请
    • HYBRID SENSOR ARRANGEMENT
    • 混合传感器布置
    • US20120133357A1
    • 2012-05-31
    • US12992348
    • 2009-06-26
    • Wolfgang FritzKlaus Rink
    • Wolfgang FritzKlaus Rink
    • G01B7/14
    • G01R33/072G01D5/145G01P3/487
    • A position-sensor and/or speed-sensor arrangement comprising a sensor with at least a first sensitive main plane and an encoder with at least one encoder track face. The sensor senses a magnetic field generated and/or modulated by the encoder, and the sensor has at least a first magnetic field sensor element and a second magnetic field sensor element. The first magnetic field sensor element has at least a first main sensing direction and the second magnetic field sensor element has an at least second main sensing direction different from the first main sensing direction. The first magnetic field sensor element and the second magnetic field sensor element are arranged such that at least an element output signal of the first magnetic field sensor element has a phase shift absolute value between 75° and 105° with respect to at least one element output signal of the second magnetic field sensor element.
    • 一种位置传感器和/或速度传感器装置,包括具有至少第一灵敏主平面的传感器和具有至少一个编码器轨迹面的编码器。 传感器感测由编码器产生和/或调制的磁场,并且传感器具有至少第一磁场传感器元件和第二磁场传感器元件。 第一磁场传感器元件具有至少第一主感测方向,并且第二磁场传感器元件具有与第一主感测方向不同的至少第二主感测方向。 第一磁场传感器元件和第二磁场传感器元件布置成使得第一磁场传感器元件的至少一个元件输出信号相对于至少一个元件输出具有75°至105°之间的相移绝对值 第二磁场传感器元件的信号。
    • 9. 发明申请
    • Arrangement For Intrinsically Safe detetion Of A Whell Rotational Speed
    • 本质安全的安全调速轮转速度
    • US20120092000A1
    • 2012-04-19
    • US11920480
    • 2006-05-17
    • Peter LohbergWolfgang FritzKlaus Rink
    • Peter LohbergWolfgang FritzKlaus Rink
    • G01P3/48
    • G01D5/2451G01D5/24438G01D5/24461G01D5/24476G01P3/487G01P3/489G01P21/02
    • Disclosed is an arrangement for detecting rotational speed of a wheel or any other rotating body by a sensor (1, 6), which is coupled via a magnetic field to an encoder (23) that rotates with the rotating body. If a slot between sensor element (S1, S2) and encoder (23) becomes too small in the prior art arrangements, flipping and, hence, doubling of the measured rotational speed of the wheel can occur. This caused problems in safety devices of a vehicle, which require a correct indication of the wheel rotational speed for proper operation. To improve the tolerance with respect to the mounting position of the known arrangements, two separated signal paths (S1, f1; S2, f2) are provided with sensor elements (S1, S2) of differing sensitivity. The signal paths (S1, f1; S2, f2) are designed so that a signal path (S1, f1) is always available, which is provided with a maximum rate of sensitivity so that, in the undisturbed normal case, minimum image defects of the encoder track (13) are achieved, simultaneously with maximum air slots, while at the same time there is always an observing signal path (S2, f2), whose sensitivity is rated in such a way that flipping is safely prevented in all magnetic conditions.
    • 公开了一种用于通过传感器(1,6)检测车轮或任何其它旋转体的转速的装置,该传感器通过磁场耦合到与旋转体一起旋转的编码器(23)。 如果传统元件(S1,S2)和编码器(23)之间的狭槽在现有技术的布置中变得太小,则可能会发生翻转,因此可能会发生车轮的测量转速加倍。 这在车辆的安全装置中引起问题,需要正确地指示车轮旋转速度以进行适当的操作。 为了提高相对于已知布置的安装位置的公差,两个分离的信号路径(S1,f1; S2,f2)设置有不同灵敏度的传感器元件(S1,S2)。 信号路径(S1,f1; S2,f2)被设计成使得信号路径(S1,f1)始终可用,其被提供有最大灵敏率,使得在未受干扰的正常情况下,最小图像缺陷 编码器轨道(13)与最大气隙同时实现,同时始终存在观察信号路径(S2,f2),其灵敏度被评定为在所有磁条件下安全地防止翻转 。