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    • 1. 发明授权
    • Sensor arrangement for detecting changes in angle
    • 用于检测角度变化的传感器布置
    • US06205866B1
    • 2001-03-27
    • US09355042
    • 1999-07-22
    • Thomas UllmannAnton DukartKlaus MarxFranz JostHans-Juergen Herderich
    • Thomas UllmannAnton DukartKlaus MarxFranz JostHans-Juergen Herderich
    • G01L302
    • G01L3/104G01B7/24
    • The sensor device accurately measures small angle changes of mechanical parts that rotate relative to each other. The sensor device includes only one cylindrical magnet (3) extending axially from a first part; two magnetoresistive sensors (5′,5″) mounted on a second part and located in the magnetic field of the sole magnet (3), the two magnetoresistive sensors having respective magnetic field sensitive layers (MS) facing a magnetic pole of the magnet (3), extending tangentially to a rotation direction in which the parts rotate relative to each other and generating respective output signals according to magnetic field line direction; and a device (PT) for combining the respective output signals of the two magnetoresistive sensors (5′,5″) to produce a combined output signal characteristic of the relative rotation angle of the parts. The combined output signal is set to zero when the parts are at a predetermined relative rotation angle.
    • 传感器装置精确地测量相对于彼此旋转的机械部件的小角度变化。 传感器装置仅包括从第一部分轴向延伸的一个圆柱形磁体(3) 两个磁阻传感器(5',5“)安装在第二部分上并且位于唯一磁体(3)的磁场中,两个磁阻传感器具有面对磁体的磁极的相应的磁场敏感层(MS) (3),其沿相对于彼此旋转的旋转方向切向延伸,并根据磁场线方向产生相应的输出信号; 以及用于组合两个磁阻传感器(5',5“)的各个输出信号的装置(PT),以产生特征为部件的相对旋转角度的组合输出信号。 当部件处于预定的相对旋转角度时,组合的输出信号被设置为零。
    • 7. 发明授权
    • Arrangement for the contactless transmission of signals between a fixed
and a rotary vehicle component
    • 用于在固定和旋转车辆部件之间的非接触式传输信号的布置
    • US5945744A
    • 1999-08-31
    • US11290
    • 1998-02-11
    • Klaus DoblerErich ZablerAnton Dukart
    • Klaus DoblerErich ZablerAnton Dukart
    • G08C17/02G08C17/04H01F38/14H01F38/18H01F27/42
    • H01F38/18G08C17/04
    • In order that a signal can be transmitted without contact from a stationary vehicle part to a rotationally mounted vehicle part, in the case of axial displacement between the parts, provision is made for a rotary transformer having pot-type cores for primary and secondary windings which have L-shaped profiles. These pot-type cores are mounted coaxially inside each other such that one or a plurality of air gaps existing between them run parallel to the rotational axis and are intersected by the magnetic flux radially with respect to the rotational axis. One of the surfaces of the two pot-type cores bordering on the air gaps is provided with a bevel, which tends to decrease the width of the air gap when an axial displacement lengthens the path of the magnetic flux. One of the pot-type cores may include a plurality of ring segments.
    • PCT No.PCT / DE96 / 00723 Sec。 371日期1998年2月11日 102(e)日期1998年2月11日PCT 1996年4月25日PCT公布。 出版物WO97 / 07487 日期1997年2月27日为了使信号可以从固定车辆部件传递到旋转安装的车辆部件,在部件之间的轴向位移的情况下,提供具有锅形铁芯的旋转变压器 具有L形轮廓的初级和次级绕组。 这些罐型铁芯彼此同轴地安装,使得它们之间存在的一个或多个气隙平行于旋转轴线延伸,并且相对于旋转轴线径向地与磁通量相交。 与空气间隙接合的两个锅式芯的一个表面设置有斜面,当轴向位移延长磁通的路径时,其倾斜于减小气隙的宽度。 盆型芯之一可以包括多个环段。
    • 9. 发明授权
    • Force sensor
    • 力传感器
    • US07073391B2
    • 2006-07-11
    • US10493975
    • 2003-03-27
    • Anton Dukart
    • Anton Dukart
    • G01B7/16G01L1/00
    • B60N2/002B60R21/01516G01G19/4142G01L1/14
    • A force sensor, in particular for detecting the forces on a vehicle seat, includes a force measurement cell (1) that has a Hall element. The force measurement cell (1) includes at least one bending bar (2, 3), which from the exertion of force to be detected exeris an influence on the magnetic field in the region of a magnetic-field-sensitive sensor element (6) of the measurement cell (1). The sensing is done with a Hall element (6), held on the at least one bending bar (2, 3), which element, under the force exerted on the bending bar (2, 3), can be deflected in the field of a relatively stationary permanent magnet (4), and a magnetic diagnosis field in the region of the Hall element (6) can be generated whose field lines are located in the plane of the sensor element without influencing the measurement field.
    • 特别是用于检测车辆座椅上的力的力传感器包括具有霍尔元件的力测量单元(1)。 力测量单元(1)包括至少一个弯曲杆(2,3),其从被检测的力的作用对磁场敏感传感器元件(6)的区域中的磁场产生影响, 的测量单元(1)。 感测通过保持在至少一个弯曲杆(2,3)上的霍尔元件(6)完成,该元件在施加在弯曲杆(2,3)上的力下可以在 可以产生相对固定的永磁体(4),并且可以产生在霍尔元件(6)的区域中的磁诊断场,其场线位于传感器元件的平面中,而不影响测量场。
    • 10. 发明授权
    • Force measuring device, in particular for seat weight determination in a motor vehicle
    • 力测量装置,特别是用于机动车辆中的座椅重量确定
    • US06986293B2
    • 2006-01-17
    • US10406773
    • 2003-04-03
    • Anton Dukart
    • Anton Dukart
    • G01L1/26G01L5/04
    • G01L1/14B60N2/002B60R21/01516G01G7/02G01G19/4142G01L1/044
    • A force measuring device for seat weight determination in a motor vehicle includes a taking up element which has at least two bearing points. The device further includes a mechanism forming a first recess in the taking up element in a region between at least two bearing points and a rod-shaped element which extends in the longitudinal axis of the taking up element and is not loaded by bending forces. The rod-shaped element has a free end which deviates from the longitudinal axis of the taking up element when a force to be measured acts on the taking up element, and a measuring unit with a magnet and a magnetic field-sensitive sensor The magnet and the magnetic field-sensitive sensor are arranged immovably relative to one another so that the distance from the magnet to a ferromagnetic material changes under loading with the force.
    • 用于机动车辆中的座椅重量确定的力测量装置包括具有至少两个支承点的卷取元件。 该装置还包括机构,该机构在至少两个支承点之间的区域中的卷取元件中形成第一凹部,并且在卷取元件的纵向轴线上延伸并且不被弯曲力加载的杆状元件。 当待测量的作用力作用于卷取元件时,杆状元件具有偏离卷取元件的纵向轴线的自由端,以及具有磁体和磁场敏感传感器的测量单元磁体和 磁场敏感传感器相对于彼此不可移动地布置,使得从磁体到铁磁材料的距离在载荷作用下变化。