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    • 2. 发明申请
    • METHOD OF INSPECTING A GENERATOR AIR-GAP
    • 检测发电机空气隙的方法
    • US20150276931A1
    • 2015-10-01
    • US14592044
    • 2015-01-08
    • SIEMENS AKTIENGESELLSCHAFT
    • GIOVANNI AIROLDIPAUL KORDJIANXAVIER TOURDEADRIANA CRISTINALIJIAN WU
    • G01S17/08G01S7/48
    • G01S17/08G01R31/34G01S7/4808H02K11/22H02K15/00H02K2201/03Y02E10/725
    • A method of inspecting an air-gap of an electrical machine, which method including the steps of directing at least one laser beam (L) into the air-gap; detecting the laser beam (L) after reflection; determining the distance (dOK, dF) travelled by the laser beam (L); and analysing the travelled distance (dOK, dF) to detect an irregularity (Fpole, Foval, Fobject) in the air-gap is provided. The invention further describes an air-gap inspection apparatus for detecting an irregularity in the air-gap of an electrical machine, which apparatus including a laser module realised to direct at least one laser beam (L) into the air-gap and to detect the laser beam (L) after reflection; a computation unit realised to determine the distance (dOK, dF) travelled by the laser beam (L); and an analysis unit realised to analyse the travelled distance (dOK, dF) to detect an irregularity in the air-gap.
    • 一种检查电机的气隙的方法,该方法包括以下步骤:将至少一个激光束(L)引导到气隙中; 反射后检测激光束(L); 确定由激光束(L)行进的距离(dOK,dF); 并提供行驶距离(dOK,dF)以检测气隙中的不规则性(Fpole,Foval,Fobject)。 本发明还描述了一种用于检测电机的气隙不规则性的气隙检查装置,该气隙检查装置包括实现将至少一个激光束(L)引入气隙的激光模块,并且检测 激光束(L)反射后; 实现用于确定由激光束(L)行进的距离(dOK,dF)的计算单元; 以及分析单元,用于分析行进距离(dOK,dF)以检测气隙中的不规则性。