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Magnetoelastic torque transducer for improved torque measurement

机译：磁弹性扭矩传感器可改善扭矩测量

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摘要

A torque transducer for measuring torque transmitted in a rotating as well as a stationary shaft. The torque transducer comprises a transducer shaft 1 arranged with a cylinder-shaped magnetoelastic region 2 fixed to the cylindrical periphery of the transducer shaft, which cylinder-shaped magnetoelastic region is permanently magnetized in the azimuthal direction. The transducer shaft with the cylinder-shaped magnetoelastic region is surrounded by a winding 4 which is supplied by an alternating current. Further, the winding is connected to a phase-sensitive detector 5. According to the present invention, a magnetic and non-linear ferromagnetic material 3′ is arranged in physical contact with the cylinder-shaped magnetoelastic region 2. The advantages are that the transducer shaft is manufactured independently of the magnetic properties of the shaft material and may substantially consist of a ferromagnetic material.

机译：扭矩传感器，用于测量在旋转轴和固定轴中传递的扭矩。扭矩传感器包括传感器轴 1 ，该传感器轴布置有固定在传感器轴圆柱周围的圆柱状磁弹性区域 2 ，该圆柱状磁弹性区域被永久磁化在方位角方向上。具有圆柱状磁弹性区域的换能器轴被绕组 4 围绕，该绕组由交流电提供。此外，绕组连接到相敏检测器 5。根据本发明，磁性和非线性铁磁材料 3 布置成与圆柱状磁弹性区域 2物理接触。优点是换能器轴的制造与轴材料的磁性无关，并且可以基本上由铁磁材料组成。 展开▼

著录项

公开/公告号US6532832B2

专利类型

公开/公告日2003-03-18

原文格式PDF

申请/专利权人 ABB AB;
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申请/专利号US20010955109

发明设计人 HANS LING;JARL SOBEL;KENT BLOMKVIST;ROOZBEH SHAHCHERAGHI;
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申请日2001-09-19

分类号G01L30/20;

国家 US

入库时间 2022-08-22 00:06:53

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