公开(公告)号：US20100180686A1

公开(公告)日：2010-07-22

申请号：US12684559

申请日：2010-01-08

申请人： Axel Kramer ,  Frank Kassubek ,  Klaus Bohnert ,  Hubert Braendle

发明人： Axel Kramer ,  Frank Kassubek ,  Klaus Bohnert ,  Hubert Braendle

IPC分类号： G01L9/00

CPC分类号： G01L11/025 ,  G01L1/241

摘要： A pressure sensor is disclosed wherein pressure induced changes in birefringent properties of an optical sensing element are read out by transmission of at least one light beam. The pressure sensor can include at least one single-material transparent body which is subjected to at least two different pressures (p1, p2) in at least two different regions via at least two pressure chambers. The transparent body can transmit by a parallel or minimally divergent light beam without total reflection in the body such that the pressure-induced birefringence and a corresponding differential phase shift between linear polarisation components of the light beam depends on a difference of the different pressures (p1, p2).

摘要翻译： 公开了一种压力传感器，其中通过传输至少一个光束来读出光学感测元件的双折射特性中的压力引起的变化。 压力传感器可以包括至少一个单材料透明体，其经由至少两个压力室在至少两个不同区域中经受至少两个不同压力（p1，p2）。 透明体可以通过平行或最小发散的光束透射，而不会在体内产生全反射，使得光束的线偏振分量之间的压力引起的双折射和相应的差分相移取决于不同压力的差（p1 ，p2）。

公开(公告)号：US20090134669A1

公开(公告)日：2009-05-28

申请号：US12264286

申请日：2008-11-04

申请人： Ali Oezkan ,  Oliver Moessinger ,  Thomas Hunn ,  Kay Lorenz ,  Klaus Bohnert ,  Marco Ujhasi

发明人： Ali Oezkan ,  Oliver Moessinger ,  Thomas Hunn ,  Kay Lorenz ,  Klaus Bohnert ,  Marco Ujhasi

IPC分类号： B62D21/00

CPC分类号： B62D21/11

摘要： A motor vehicle has a rear axle cross member, from which two diagonal struts project forward in a V-shape, which diagonal struts are connected with their front end in each case to a vehicle longitudinal member. Here, it is important that an annular, closed stiffening structure is provided behind the rear axle cross member as viewed in the direction of travel. The stiffening structure is supported with its front end on the rear axle cross member and with its rear end, via struts which project rearward in a V-shape, on rear vehicle longitudinal members.

摘要翻译： 机动车辆具有后桥横梁，两个对角支柱从该前桥向前突出为V形，每个情况下，该对角支柱与前端相连，并与车辆纵向构件连接。 这里，重要的是在行进方向观察时，在后桥横梁的后面设置环形的闭合的加强结构。 加强结构的前端支撑在后桥横向构件上，其后端通过支撑在V形后方的支柱支撑在后车辆纵向构件上。

公开(公告)号：US20090097796A1

公开(公告)日：2009-04-16

申请号：US12245073

申请日：2008-10-03

申请人： Lars Andersson ,  Hubert Braendle ,  Klaus Bohnert

发明人： Lars Andersson ,  Hubert Braendle ,  Klaus Bohnert

IPC分类号： G02B6/00

CPC分类号： G01R15/246 ,  G01R19/10

摘要： To measure a sum of electrical currents in different conductors, light is led in an optical sensing fiber around all the conductors. The sensing fiber can be wound around the conductors in a single loop or in several individual loops. Interspersed polarization maintaining fibers and retarders can be used to transfer the light between individual loops for preventing undesired signals from stray magnetic fields. The method has high accuracy is particularly suited for measuring large currents that sum up to zero.

摘要翻译： 为了测量不同导体中的电流之和，在所有导体周围的光学感测光纤中引导光。 感测光纤可以在单个环路或几个单独的环路中缠绕在导体周围。 散射的偏振维持光纤和延迟器可以用于在各个环之间传输光，以防止杂散磁场中的不期望的信号。 该方法具有高精度特别适用于测量总和为零的大电流。

公开(公告)号：US07373056B2

公开(公告)日：2008-05-13

申请号：US10534068

申请日：2003-11-06

申请人： Klaus Bohnert ,  Philippe Gabus ,  Hubert Brändle

发明人： Klaus Bohnert ,  Philippe Gabus ,  Hubert Brändle

IPC分类号： G02B6/44 ,  G02B6/02 ,  G02B6/028 ,  G02B6/032 ,  G02B6/036 ,  G02B6/36 ,  G02B6/38 ,  G01J1/04 ,  G01J1/42 ,  G01J5/08 ,  G01J4/00

CPC分类号： G02B6/442

摘要： A high-voltage component, having a first end and a second end, whereby the first end is on a high-voltage potential with respect to the second end. An insulating part, is arranged between the first end and the second end, and an optical fiber is integrated in the high-voltage component and extends from the first end to the second end. A capillary extends from the first end to the second end and is arranged within the insulating part. The inside diameter of the capillary exceeds the outside diameter of the fiber, and the fiber is arranged within the capillary. The capillary includes a protective medium to achieve a dielectric strength in the capillary, which dielectric strength is suitable for the operating conditions.

摘要翻译： 一种高压部件，具有第一端和第二端，由此第一端相对于第二端处于高电位。 绝缘部分布置在第一端和第二端之间，并且光纤集成在高压部件中并且从第一端延伸到第二端。 毛细管从第一端延伸到第二端，并且布置在绝缘部分内。 毛细管的内径超过纤维的外径，纤维布置在毛细管内。 毛细管包括在毛细管中获得介电强度的保护介质，其介电强度适合于操作条件。

公开(公告)号：US07339680B2

公开(公告)日：2008-03-04

申请号：US10922944

申请日：2004-08-23

申请人： Klaus Bohnert ,  Philippe Gabus ,  Hubert Brändle

发明人： Klaus Bohnert ,  Philippe Gabus ,  Hubert Brändle

IPC分类号： G01B9/02

CPC分类号： G01R15/246 ,  G01R33/032

摘要： The fiber-optic sensor head (2) for a current or magnetic field sensor comprises an optical fiber which contains a magnetooptically active sensor fiber (3) and at least one polarization-maintaining supply fiber (5), which are optically connected, with the sensor fiber (3) having its fiber protective sheath removed. The sensor head (2) furthermore contains a capillary (6), in which at least the sensor fiber (3) is arranged. Furthermore, the sensor head (2) can be bent in the area of the sensor fiber (3), and a friction reducing means (7) is provided in the capillary (6), in order to reduce the friction between the sensor fiber (3) and the capillary (6). The friction reducing means (7) is advantageously an oil or a dry lubricating means (7). The capillary (6) is advantageously encased by a capillary casing (8). The sensor (2) allows very largely temperature-dependent measurements, is easy to install and allows measurements on large cross-section conductors.

摘要翻译： 用于电流或磁场传感器的光纤传感器头（2）包括光纤，该光纤包含磁光有源传感器光纤（3）和至少一个光学连接的偏振保持光纤（5） 传感器光纤（3），其光纤保护套被去除。 传感器头（2）还包含毛细管（6），其中布置有至少传感器光纤（3）。 此外，传感器头（2）可以在传感器光纤（3）的区域中弯曲，并且在毛细管（6）中设置有摩擦减小装置（7），以便减少传感器光纤（ 3）和毛细管（6）。 减摩装置（7）有利地是油或干式润滑装置（7）。 毛细管（6）有利地由毛细管壳体（8）包围。 传感器（2）允许很大程度上依赖于温度的测量，易于安装并允许在大横截面导体上进行测量。

公开(公告)号：US06885182B2

公开(公告)日：2005-04-26

申请号：US10804160

申请日：2004-03-19

申请人： Klaus Bohnert ,  Andreas Frank ,  Hubert Brändle

发明人： Klaus Bohnert ,  Andreas Frank ,  Hubert Brändle

IPC分类号： G01R15/24 ,  G01R19/00

CPC分类号： G01R15/242

摘要： The electra-optical voltage sensor has an electra-optically active medium and a distance medium between two electrodes, between which the voltage V to be measured is present. The media and the thicknesses d1, d2 of the media are chosen in such a way that the measured voltage signal has no temperature dependence. By way of example, the thicknesses d1, d2 are chosen in such a way that the influence of the temperature dependences of critical electra-optical coefficients and dielectric constants of the media on the voltage signal cancel one another out. The two media are advantageously arranged in the form of a rod, comprising an alternating arrangement of cylindrical elements of the two media, between the electrodes. BGO and fused silica may advantageously be used as media. The sensor is preferably cast in silicone. It is possible to realize a mechanically stable, temperature-stabilized voltage sensor with low reflection losses, a large half wave voltage and a small sensitivity toward disturbances of the electric field.

摘要翻译： 电光学电压传感器具有电光活性介质和两个电极之间的距离介质，在两个电极之间存在要测量的电压V. 介质和介质的厚度d 1，D 2，N 2被选择为使得所测量的电压信号没有温度依赖性。 作为示例，选择厚度d 1，d 2 2，使得对临界电光学系数和介电常数的温度依赖性的影响 介质上的电压信号相互抵消。 两个介质有利地以杆的形式布置，包括两个介质的圆柱形元件在电极之间的交替布置。 BGO和熔融石英可有利地用作介质。 该传感器优选用硅树脂铸造。 可以实现具有低反射损耗，大的半波电压和对电场干扰的小灵敏度的机械稳定的温度稳定的电压传感器。

公开(公告)号：US06734657B2

公开(公告)日：2004-05-11

申请号：US09754116

申请日：2001-01-05

申请人： Klaus Bohnert ,  Jürgen Nehring

发明人： Klaus Bohnert ,  Jürgen Nehring

IPC分类号： G01R3100

CPC分类号： G01R15/24

摘要： In a fiber optic current sensor having a coiled sensor fiber (1) which encloses a current conductor (S), and at least one phase delay element (4, 5) adjoining the sensor fiber (1), the at least one phase delay element (4, 5) has a phase delay with a temperature dependence such that it at least approximately compensates for a temperature dependence of a Verdet's constant (V) of the sensor fiber (1). It is thereby possible to achieve an at least approximately temperature-independent sensor signal.

摘要翻译： 在具有包围电流导体（S）的线圈传感器光纤（1）和邻近传感器光纤（1）的至少一个相位延迟元件（4,5）的光纤电流传感器中，至少一个相位延迟元件 （4,5）具有温度依赖性的相位延迟，使得其至少近似地补偿传感器光纤（1）的Verdet常数（V）的温度依赖性。 从而可以实现至少大致与温度无关的传感器信号。

公开(公告)号：US06608481B1

公开(公告)日：2003-08-19

申请号：US09744953

申请日：2001-02-21

申请人： Costante Piazza ,  Emiliano Centenaro ,  Philippe Gabus ,  Klaus Bohnert ,  Hubert Braendle ,  Roberto Cameroni

发明人： Costante Piazza ,  Emiliano Centenaro ,  Philippe Gabus ,  Klaus Bohnert ,  Hubert Braendle ,  Roberto Cameroni

IPC分类号： G01R3102

CPC分类号： H01H33/027

摘要： A pole of a high- and/or medium-voltage circuit breaker, including an insulating housing, at least one, interruption chamber which is positioned inside the insulating housing and contains at least a moving contact and at least a fixed contact. A device for measuring the electric current flowing through the pole, and a dielectric gas, the particularity of which is the fact that said device for measuring the electric current flowing through the pole includes an optical current sensor arranged within a volume of the pole that is occupied by the dielectric gas.

摘要翻译： 高压和/或中压断路器的极点，包括绝缘壳体，至少一个绝缘壳体，其位于绝缘壳体内部并且包含至少一个移动触点和至少一个固定触点。 用于测量流过极的电流的装置和电介质气体，其特征在于，所述用于测量流过极的电流的装置包括布置在极的体积内的光电流传感器 被电介质气体所占据。

公开(公告)号：US5945667A

公开(公告)日：1999-08-31

申请号：US005044

申请日：1998-01-09

申请人： Klaus Bohnert ,  Pascal Pequignot

发明人： Klaus Bohnert ,  Pascal Pequignot

IPC分类号： G01D3/028 ,  G01D5/34 ,  G01L9/00 ,  G01L19/04 ,  G01R15/24 ,  G01J4/00

CPC分类号： G01R15/247 ,  G01D3/028 ,  G01D5/344 ,  G01L9/008 ,  G01L9/085

摘要： The piezoelectric effect of an optical sensor (6) made from quartz is a function of temperature. Without correcting or compensating measures, this temperature dependence leads to a falsification of the measuring signal if the temperature of the sensor element is not held constant. In order to obtain accurate measurements for variable sensor temperatures T.sub.s, a temperature-corrected measuring signal M is provided in accordance with:M=U13.multidot.(1+.alpha..multidot.(T.sub.0 -T.sub.s)),U13 signifying a control signal, T.sub.0 a prescribable calibration temperature of the sensor (6), and .alpha. the temperature coefficient of the sensor (6). In this case, the sensor temperature (T.sub.s) is calculated in accordance with:T.sub.s =f(K,E(U.sub.Tr)),K being a contrast parameter which is calculated from light power signals (U1, U2), is a function of the sensor temperature (T.sub.s) and is proportional to the interference contrast, and U.sub.Tr signifying a signal receiver temperature signal and T.sub.r signifying a signal receiver temperature. The contrast parameter (K) is arrived at by virtue of the fact that an oscillator signal (U.sub.HF) of prescribable amplitude is superimposed on a control signal (U13) of a differential voltage regulator (11), the frequency (f) of said oscillator signal being at least so high that a light modulation effected in the receiving fiber (r) by the oscillator signal (U.sub.HF) is not compensated by the differential voltage regulator (11).

摘要翻译： 由石英制成的光学传感器（6）的压电效应是温度的函数。 没有校正或补偿措施，如果传感器元件的温度不保持恒定，则该温度依赖性导致测量信号的伪造。 为了获得可变传感器温度Ts的精确测量，根据以下公式提供温度校正测量信号M：M = U13x（1 +αx（T0-Ts）），表示控制信号的U13，可规定的校准 传感器（6）的温度，和传感器（6）的温度系数α。 在这种情况下，传感器温度（Ts）根据：Ts = f（K，E（UTr））计算，K是从光功率信号（U1，U2）计算的对比度参数，K是 传感器温度（Ts）与干扰对比度成比例，UTr表示信号接收器温度信号，Tr表示信号接收器温度。 对比度参数（K）由于以下事实而得到，即：将规定幅度的振荡器信号（UHF）叠加在差分电压调节器（11）的控制信号（U13）上，所述振荡器的频率（f） 信号至少高到通过振荡器信号（UHF）在接收光纤（r）中实现的光调制不被差分电压调节器（11）补偿。

公开(公告)号：US5053694A

公开(公告)日：1991-10-01

申请号：US502339

申请日：1990-03-30

申请人： Klaus Bohnert ,  Jurgen Nehring

发明人： Klaus Bohnert ,  Jurgen Nehring

IPC分类号： G01R15/24 ,  G01R29/08 ,  G01R29/12

CPC分类号： G01R15/248 ,  G01R29/0885 ,  G01R29/12

摘要： A device for measuring an electric field comprises three optical fiber sensors, which each have a piezoelectric sensor element, as well as an interferometer for generating a sensor signal. The optical fiber sensors have piezoelectric sensor elements that exclusively detect with the aid of the inverse piezoelectric effect a predetermined directional component, assigned in each case, of the electric field. The directional components of the different sensor elements are each aligned perpendicular to one another. An evaluation circuit determines the absolute value and direction of the electric field from the sensor signals generated.The sensor elements are preferably formed by a single piezoelectric body, on whose faces the sensor fibers are fixed.

摘要翻译： 用于测量电场的装置包括三个光纤传感器，每个具有压电传感器元件，以及用于产生传感器信号的干涉仪。 光纤传感器具有压电传感器元件，其通过反向压电效应专门检测在每种情况下分配的电场的预定方向分量。 不同传感器元件的方向分量各自垂直于彼此对准。 评估电路根据所生成的传感器信号确定电场的绝对值和方向。 传感器元件优选地由单个压电体形成，传感器元件的表面固定有传感器光纤。