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1.发明公开DIFFERENTIELLER SENSOR, PRÜFSYSTEM UND VERFAHREN ZUR DETEKTION VON ANOMALIEN IN ELEKTRISCH LEITFÄHIGEN MATERIALIEN 审中-公开差分传感器，故障在电子导电材料，检测检查系统和方法
公开(公告)号：EP2893336A1
公开(公告)日：2015-07-15
申请号：EP13756496.9
申请日：2013-09-04
摘要： A differential sensor for the detection of anomalies in electrically conductive materials has a permanent magnet (PM), a first coil (S1) with one or a plurality of first windings which wind around the permanent magnet and define a first coil axis (A1), and a second coil (S2) with one or a plurality of second windings which run around the permanent magnet and define a second coil axis (A2) which runs transversely, particularly perpendicularly, to the first coil axis. A third coil (S3) oriented perpendicularly thereto is preferably also provided. Components of changes in the magnetic flux can be detected and analysed separately for a plurality of dimensions. The sensor is part of an inspection system which comprises said sensor and an analyser (A) which is configured to detect separately for each coil electrical voltages induced or signals derived therefrom in the windings of the coils (S1, S2, S3) of the differential sensor and to correlate these by using at least one analysis procedure.
摘要翻译： 在导电材料的检测异常的差动传感器具有永磁体，具有一个或多个第一绕组，其中所述永磁体围绕运行，并限定第一线圈轴线的第一线圈，和与一个或多个第二绕组的第二线圈 ，其中所述永磁体围绕运行，并限定第二线圈轴，横向地垂直延伸，特别地，第一线圈轴线。 优选地，第三线圈，其上垂直取向，因此提供。 在磁通量的变化的部件可以单独地用于多个空间方向和评估来感测。 该传感器是一个检查系统，该系统包括传感器和评估装置，所有这一切都被配置用于在差动传感器，或信号的由其衍生的线圈的绕组中感应的每个线圈的电电压分别感测的一部分，并且通过关联他们 施加至少一个评价方法。
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2.发明公开VERFAHREN UND VORRICHTUNG ZUR STREUFLUSSPRÜFUNG 审中-公开VERFAHREN UND VORRICHTUNG ZURSTREUFLUSSPRÜFUNG
公开(公告)号：EP3161472A1
公开(公告)日：2017-05-03
申请号：EP15722134.2
申请日：2015-05-04
IPC分类号： G01N27/87
CPC分类号： G01N27/87
摘要： The invention relates to a method for the stray flow testing of a ferromagnetic material to be tested, in particular ferromagnetic pipes, in order to detect defects. A testing volume of the material to be tested is magnetized by means of a magnetic DC field. A surface of the material to be tested is scanned by means of a probe arrangement in order to detect magnetic stray fields caused by defects, said probe arrangement having a probe array with a plurality of magnetic field-sensitive probes which are arranged adjacently in a first direction and which are held at a final testing distance to the surface of the testing material during the testing. Electric probe signals are analyzed in order to qualify the defects. A probe arrangement is used in which each of the probes has a probe width in the first direction, said probe width ranging from 20% of the testing distance up to 10 mm. An analysis of the probe signals includes a mapping operation (MAP) in which signal information representing the probe signal is linked to position information representing the origin of a probe signal for each probe signal in order to form position-dependent signal data, a matrix formation operation (MAT) in which the position-dependent signal data or signal data derived therefrom is stored in base matrix fields connected in a positionally correct manner, and at least one analysis operation in which position-dependent signal data consisting of at least two base matrix fields that are directly or indirectly adjacent in an analysis direction are linked using at least one analysis algorithm.
摘要翻译： 本发明涉及用于待测试的铁磁材料（特别是铁磁管）的杂散流测试以便检测缺陷的方法。 借助于磁场直流磁场对待测材料的测试体积进行磁化。 通过探针装置扫描待测试材料的表面以便检测由缺陷引起的杂散磁场，所述探针装置具有带有多个磁场敏感探针的探针阵列，所述多个磁场敏感探针相邻地布置在第一 方向并且在测试期间保持在与测试材料表面的最终测试距离处。 电探针信号进行分析，以确定缺陷。 使用探针布置，其中每个探针在第一方向上具有探针宽度，所述探针宽度范围从测试距离的20％直到10mm。 探测信号的分析包括映射操作（MAP），其中表示探测信号的信号信息被链接到表示探测信号的起源的位置信息以形成位置相关信号数据，矩阵形成 （位置相关信号数据或从其中导出的信号数据存储在以位置正确的方式连接的基本矩阵字段中的操作（MAT））和至少一个分析操作，在该分析操作中，位置相关信号数据由至少两个基本矩阵 使用至少一种分析算法来链接在分析方向上直接或间接相邻的字段。
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公开(公告)号：EP2893336B1
公开(公告)日：2020-11-04
申请号：EP13756496.9
申请日：2013-09-04
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