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1. 发明公开

EP1008835A1 Non-contacting position sensor using bi-polar tapered magnets 有权
标题翻译： BerührungslosesPositionsmessgerätmit sichverjüngendenbipolaren Magneten
公开(公告)号：EP1008835A1
公开(公告)日：2000-06-14
申请号：EP99308176.9
申请日：1999-10-18
申请人： CTS Corporation
发明人： Duesler, John S. , Jarrard, Craig A. , Newman, Robert L. , Nonnenmacher, Ronald C. , Pfaffenberger, David S. , Miller, David J.
IPC分类号： G01D5/14 , G01D5/16 , G01B7/30
CPC分类号： G01D5/145 , G01B7/003 , G01B7/30
摘要： In accordance with the present invention, a non-contacting position sensor using bipolar tapered magnets is provided. A non-contacting position sensor in accordance with the preferred embodiment uses a pole piece having a first plate and a second plate. Four magnets are affixed to the first plate and second plate. Each magnet has a thick end and a thin end. Two magnets generate a linearly varying magnetic field having a first polarity, while the other two magnets generate a linearly varying magnetic filed having a second polarity. An air gap is formed in the space between the four magnets. A magnetic flux sensor is positioned within the air gap. The component whose position is to be monitored is rigidly attached to either the pole piece or the magnetic flux sensor, causing the magnetic flax sensor to move relative to the magnets within the air gap as the component moves. A varying magnetic field is detected by the magnetic flux sensor, resulting in a signal from the magnetic flux sensor that varies according to its position relative to the four magnets. The signal from the magnetic flux sensor is used to provide an indication of the position of the component to be monitored.
摘要翻译：根据本发明，提供了使用双极锥形磁体的非接触位置传感器。根据优选实施例的非接触位置传感器使用具有第一板和第二板的极片。四个磁体固定在第一板和第二板上。每个磁体都有一个较厚的端部和一个较薄的端部。两个磁体产生具有第一极性的线性变化的磁场，而另外两个磁体产生具有第二极性的线性变化的磁场。在四个磁体之间的空间中形成气隙。磁通量传感器位于气隙内。要监视其位置的部件刚性地附接到极片或磁通量传感器，使得磁性亚麻传感器随着部件移动而相对于气隙内的磁体移动。由磁通量传感器检测到变化的磁场，导致来自磁通量传感器的信号根据其相对于四个磁体的位置而变化。来自磁通量传感器的信号用于提供待监测部件的位置的指示。

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