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    • 14. 发明申请
    • Temperature-stabilized sensor coil and current sensor
    • 温度稳定的传感器线圈和电流传感器
    • US20050088662A1
    • 2005-04-28
    • US10922944
    • 2004-08-23
    • Klaus BohnertPhilippe GabusHubert Brandle
    • Klaus BohnertPhilippe GabusHubert Brandle
    • G01R15/24G01R33/032G01B9/02
    • G01R15/246G01R33/032
    • 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.
    • 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。
    • 15. 发明授权
    • Fiber-optic voltage sensor for outdoor high-voltage installations
    • 户外高压安装用光纤电压传感器
    • US6140810A
    • 2000-10-31
    • US165648
    • 1998-10-02
    • Klaus BohnertHubert BrandlePhilippe GabusJadran KostovicJiri Talir
    • Klaus BohnertHubert BrandlePhilippe GabusJadran KostovicJiri Talir
    • G01R15/24G01R29/12
    • G01R15/241
    • The subject matter of the present invention is a fiber-optic outdoor high-voltage sensor 1. The known sensor principle is based on the fact that a piezoelectric quartz cylinder 3 wound with a glass fiber 4a effects a voltage-proportional fiber strain which is measured interferometrically. According to the invention, a 420 kV outdoor sensor 1 is created by virtue of the fact that several quartz cylinders 3 and electrically conductive spacing elements 5 are arranged in an alternating fashion one behind another and are sealed in a silicone-shielded 17 insulating tube 16 by means of polyurethane 18 or silicone 21. Dividing the high voltage between several spaced, E-field integrating sensor elements 2 permits simple field control and a very high measuring accuracy. In addition, the fiber-optic voltage sensor 1 is distinguished by a low outlay on insulation, compactness and low weight, and can easily be scaled to other voltage levels and be effectively combined with optical current sensors 38.
    • 本发明的主题是光纤室外高压传感器1.已知的传感器原理是基于以下事实:卷绕有玻璃纤维4a的压电石英气缸3实现测量的电压 - 比例纤维应变 干涉式 根据本发明,由于几个石英气缸3和导电间隔元件5以交替的方式彼此排列并被密封在硅树脂屏蔽17绝缘管16中的事实而产生420kV室外传感器1 通过聚氨酯18或硅树脂21.在几个间隔的E场积分传感器元件2之间划分高电压允许简单的场控制和非常高的测量精度。 此外,光纤电压传感器1的特征在于绝缘性,紧凑性和重量轻的低成本,并且可以容易地缩放到其他电压电平并且与光电流传感器38有效地组合。
    • 19. 发明申请
    • Bodywork
    • 车身
    • US20090134668A1
    • 2009-05-28
    • US12276680
    • 2008-11-24
    • Ali OezkanKlaus BohnertGernot Jenisch
    • Ali OezkanKlaus BohnertGernot Jenisch
    • B62D25/00
    • B62D25/20B62D25/025B62D25/2036
    • A motor vehicle bodywork has a floor assembly with an upwardly convex and downwardly open longitudinal center tunnel and two side sills parallel thereto. Floor elements are disposed between the longitudinal center tunnel and the side sills. A driver side and a passenger side are each provided with at least one front and one rear seat crossmember, seen in the direction of travel. The seat cross-members extend in the transverse direction of the vehicle and rest on the associated floor elements. It is important that the driver side and/or passenger side seat cross-members are each connected to each other in their upper regions via a plate-like thrust element.
    • 机动车辆车体具有地板组件,其具有向上凸起并向下开放的纵向中心通道和与其平行的两个侧门槛。 地板元件设置在纵向中心隧道和侧梁之间。 驾驶员侧和乘客侧各自设置有至少一个在行进方向上看的前排和后排座椅横梁。 座椅横向构件在车辆的横向方向上延伸并且搁置在相关联的地板元件上。 重要的是,驾驶员侧和/或乘客侧座椅横向构件通过板状推力元件在其上部区域中彼此连接是重要的。
    • 20. 发明授权
    • Fiber-optic current sensor
    • 光纤电流传感器
    • US07075286B2
    • 2006-07-11
    • US10332504
    • 2001-07-04
    • Klaus Bohnert
    • Klaus Bohnert
    • G01R15/24G01B9/02G02B6/26
    • G01R15/247
    • An optical current sensor having a reflection interferometer (1, 10) has, in its fiber-optic lead (2), a polarization-maintaining first fiber branch (20) for two forward-traveling orthogonally polarized waves and a polarization-maintaining second fiber branch (20′) for two backward-traveling orthogonally polarized waves. In this case, the two fiber branches (20, 20′) are connected to one another via a coupler (8) on the sensor side. The first fiber branch (20) is connected to a light source (4) and the second fiber branch (20′) is connected to the detector (5). A means for phase shifting (7) is funcionally connected to at least one of the fiber branches (20, 20′). It is thus possible to achieve a quasi-static control of the phase shift of the waves, so that less stringent requirements can be made of the means for phase shifting than of the phase modulators that are usually used in current sensors of this type.
    • 具有反射干涉仪(1,10)的光电流传感器在其光纤引线(2)中具有用于两个正向正交偏振波的偏振保持第一光纤支路(20)和一个偏振保持第二光纤 分支(20')用于两个向后行进的正交极化波。 在这种情况下,两个光纤分支(20,20')通过传感器侧的耦合器(8)彼此连接。 第一光纤分支(20)连接到光源(4),第二光纤分支(20')连接到检测器(5)。 用于相移(7)的装置有效地连接到至少一个光纤分支(20,20')。 因此,可以实现波的相移的准静态控制,从而与通常在这种类型的电流传感器中使用的相位调制器相比,可以对相位移动装置提供较不严格的要求。