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    • 1. 发明申请
    • MAGNETIC FLUX LEAKAGE ERROR DETECTION IN CORDS
    • 磁芯漏磁检测漏磁检测
    • WO2013023818A1
    • 2013-02-21
    • PCT/EP2012/061682
    • 2012-06-19
    • NV BEKAERT SAVANDENBUSSCHE, HansREYNAERT, Koen
    • VANDENBUSSCHE, HansREYNAERT, Koen
    • G01N27/83
    • G01N27/83D07B7/08D07B2207/203D07B2207/205D07B2207/207D07B2301/307D07B2301/45D07B2301/555
    • An assembly (500) comprises a winding equipment (520) or twisting equipment (510) and a detector (530), The winding equipment (520) or twisting equipment (510) are adapted to wind or to twist a cord (110, 518) comprising magnetisable filaments. The detector (530) is installed on or is connected to the equipment (510, 520). The detector (530) comprises: a) a magnet (102) allowing passage of the cord (110), b) an detector (122, 124) for measuring variations (220, 330, 440) in magnetic flux caused by the passing cord (110), c) a sampler for sampling variations (220, 330, 440) in the magnetic flux, d) a module for transforming these variations (220, 330, 440) from the time domain into the frequency domain, e) a decision module for deciding whether or not to stop working of the equipment depending upon the result of the values (224, 334, 444) in the frequency domain.
    • 组合件(500)包括卷绕设备(520)或扭转设备(510)和检测器(530)。卷绕设备(520)或扭转设备(510)适于卷绕或扭曲绳索 )包括可磁化长丝。 检测器(530)安装在设备(510,520)上或连接到设备(510,520)。 检测器(530)包括:a)允许绳索(110)通过的磁体(102),b)用于测量由通过的绳索引起的磁通量变化(220,330,440)的检测器(122,124) (110),c)用于对磁通中的变化(220,330,440)进行采样的采样器,d)用于将这些变化(220,340,440)从时域变换到频域的模块,e) 决定模块,用于根据频域中的值(224,334,444)的结果来决定是否停止设备的工作。