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1. 发明公开

KR1020060134764A 와전류 센서의 금속 모재선별 방법 및 장치 无效
标题翻译： EDDY电流传感器的基本金属的方法和设备
公开(公告)号：KR1020060134764A
公开(公告)日：2006-12-28
申请号：KR1020050054707
申请日：2005-06-23
申请人： 고각현
发明人： 고각현
IPC分类号： G01R33/12
CPC分类号： G01R33/12 , G01N27/72 , G01V3/101
摘要： A method and an apparatus for classifying a base metal of an eddy current sensor are provided to improve accuracy of the eddy current sensor by compensating an error of the sensing result due to different properties of the base metal. An apparatus for classifying a base metal of an eddy current sensor includes a current/voltage measuring unit, an impedance/phase difference measuring unit, an inductance/actual resistance measuring unit, and a classifying unit. The current/voltage measuring unit measures the current and voltage of an eddy current sensor coil unit. The impedance/phase difference measuring unit measures the impedance and phase difference of the eddy current sensor coil unit. The inductance/actual resistance measuring unit extracts the variation of the inductance and actual resistance of the eddy current sensor coil unit. The classifying unit compares the variation of the inductance/actual resistance of the eddy current sensor coil unit with impedance variation data of the eddy current sensor coil unit to classify the base metal for the eddy current sensor.
摘要翻译：提供了用于对涡电流传感器的母材进行分类的方法和装置，以通过补偿由于贱金属的不同特性导致的感测结果的误差来提高涡流传感器的精度。用于对涡电流传感器的母材进行分类的装置包括电流/电压测量单元，阻抗/相位差测量单元，电感/实际电阻测量单元和分类单元。电流/电压测量单元测量涡流传感器线圈单元的电流和电压。阻抗/相位差测量单元测量涡流传感器线圈单元的阻抗和相位差。电感/实际电阻测量单元提取涡流传感器线圈单元的电感和实际电阻的变化。分级单元将涡电流传感器线圈单元的电感/实际电阻的变化与涡流传感器线圈单元的阻抗变化数据进行比较，以对涡流传感器的母材进行分类。

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