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1.发明公开
公开(公告)号：EP2924453A1
公开(公告)日：2015-09-30
申请号：EP14161812.4
申请日：2014-03-26
CPC分类号： G01S17/08 , G01R31/34 , G01S7/4808 , H02K11/22 , H02K15/00 , H02K2201/03 , Y02E10/725
摘要： The invention describes a method of inspecting an air-gap (1) of an electrical machine (2), which method comprises the steps of directing at least one laser beam (L) into the air-gap (1); detecting the laser beam (L) after reflection; determining the distance (d OK , d F ) travelled by the laser beam (L); and analysing the travelled distance (d OK , d F ) to detect an irregularity (F pole , F oval , F object ) in the air-gap (1). The invention further describes an air-gap inspection apparatus (3) for detecting an irregularity in the air-gap (1) of an electrical machine (2), which apparatus (3) comprises a laser module (30) realised to direct at least one laser beam (L) into the air-gap (1) and to detect the laser beam (L) after reflection; a computation unit (31) realised to determine the distance (d OK , d F ) travelled by the laser beam (L); and an analysis unit (32) realised to analyse the travelled distance (d OK , d F ) to detect an irregularity in the air-gap (1).
摘要翻译： 本发明描述了一种检查电机（2）的气隙（1）的方法，该方法包括将至少一个激光束（L）引导到气隙（1）中的步骤; 反射后检测激光束（L）; 确定由激光束（L）行进的距离（d OK，d F）; 并分析行进距离（d OK，d F）以检测气隙（1）中的不规则（F极，F椭圆，F物体）。 本发明还描述了一种用于检测电机（2）的气隙（1）中的不规则性的气隙检查装置（3），该装置（3）包括实现为至少引导的激光模块（30） 一个激光束（L）进入气隙（1）并在反射之后检测激光束（L）; 实现用于确定由激光束（L）行进的距离（d OK，d F）的计算单元（31）; 以及分析单元（32），用于分析行进距离（d OK，d F）以检测气隙（1）中的不规则性。
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公开(公告)号：EP2924453B1
公开(公告)日：2018-10-31
申请号：EP14161812.4
申请日：2014-03-26
CPC分类号： G01S17/08 , G01R31/34 , G01S7/4808 , H02K11/22 , H02K15/00 , H02K2201/03 , Y02E10/725
摘要： The invention describes a method of inspecting an air-gap (1) of an electrical machine (2), which method comprises the steps of directing at least one laser beam (L) into the air-gap (1); detecting the laser beam (L) after reflection; determining the distance (d OK , d F ) travelled by the laser beam (L); and analysing the travelled distance (d OK , d F ) to detect an irregularity (F pole , F oval , F object ) in the air-gap (1). The invention further describes an air-gap inspection apparatus (3) for detecting an irregularity in the air-gap (1) of an electrical machine (2), which apparatus (3) comprises a laser module (30) realised to direct at least one laser beam (L) into the air-gap (1) and to detect the laser beam (L) after reflection; a computation unit (31) realised to determine the distance (d OK , d F ) travelled by the laser beam (L); and an analysis unit (32) realised to analyse the travelled distance (d OK , d F ) to detect an irregularity in the air-gap (1).
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