Omni-directional eddy current probe
    11.
    发明公开
    Omni-directional eddy current probe 审中-公开
    Omnidirektionale Wirbelstromsonde

    公开(公告)号:EP1515137A1

    公开(公告)日:2005-03-16

    申请号:EP04255457.6

    申请日:2004-09-09

    IPC分类号: G01N27/90

    CPC分类号: G01N27/9033

    摘要: An omni-directional eddy current probe includes a number of sense coils (110) arranged in a stack (112) having a principal axis (114). At least two of the sense coils (110) are rotationally skewed about the principal axis (114) relative to one another. The sense coils (110) are operatively connected to each other and a drive coil (120) is also positioned in the stack (112). An impulse through the drive coil (120) induces a magnetic influx through a conducting material specimen having a surface, thereby generating eddy currents on the surface. Secondary magnetic field generated from the eddy currents produces corresponding signals in the sense coils (110), and the signals are then analyzed for the possibility of surface flaw in the conducting material.

    摘要翻译: 全向涡流探头包括布置在具有主轴线(114)的堆叠(112)中的多个感测线圈(110)。 感测线圈(110)中的至少两个相对于彼此围绕主轴线(114)旋转倾斜。 感测线圈(110)彼此可操作地连接,并且驱动线圈(120)也位于堆叠(112)中。 通过驱动线圈(120)的冲击通过具有表面的导电材料试样引起磁流入,从而在表面上产生涡流。 从涡流产生的二次磁场在感测线圈(110)中产生相应的信号,然后分析信号以获得导电材料中表面缺陷的可能性。

    Inspection probe and system comprising a pulsed eddy current two-dimensional sensor array
    13.
    发明公开
    Inspection probe and system comprising a pulsed eddy current two-dimensional sensor array 有权
    Prüfsondeund System mit einer gepulsten,zweidimensionalen Wirbelstromsensoranordnung

    公开(公告)号:EP1267161A2

    公开(公告)日:2002-12-18

    申请号:EP02254028.0

    申请日:2002-06-10

    IPC分类号: G01N27/90

    CPC分类号: G01N27/904

    摘要: A pulsed eddy current two-dimensional sensor array probe (12) for electrically conducting component inspection includes a drive coil (16) disposed adjacent to a structure under inspection, a pulse generator (20) connected to the drive coil (16) and operable to energize in a pulsed manner the drive coil (16) to transmit transient electromagnetic flux into the structure under inspection, and an array of sensors (18) arranged in a two-dimensional array and substantially surrounded by the drive coil (16) and operable to sense and generate output signals from the transient electromagnetic flux in the structure under inspection.

    摘要翻译: 用于导电部件检查的脉冲涡流二维传感器阵列探针(12)包括邻近被检查结构设置的驱动线圈(16),连接到驱动线圈(16)的脉冲发生器(20) 以脉冲方式驱动驱动线圈(16),以将瞬态电磁通量传输到被检查的结构中;以及一组传感器(18),其布置成二维阵列并且基本上被驱动线圈(16)包围,并可操作以 在检查结构中的瞬态电磁通量感测和产生输出信号。

    Contoured surface eddy current inspection system
    14.
    发明公开
    Contoured surface eddy current inspection system 有权
    Wirbelstromprüfsystemfüreine konturierteFläche

    公开(公告)号:EP1202053A1

    公开(公告)日:2002-05-02

    申请号:EP01308914.9

    申请日:2001-10-19

    IPC分类号: G01N27/90

    CPC分类号: G01N27/9013 G01N27/9033

    摘要: Eddy current inspection of a contoured surface (14) of a workpiece (12) is performed by forming a backing piece (18) of flexible, resiliently yieldable material with a contoured exterior surface (26) conforming in shape to the workpiece contoured surface (14). The backing piece is preferably cast in place so as to conform to the workpiece contoured surface. A flexible eddy current array probe (20) is attached to the contoured exterior surface (26) of the backing piece (18) such that the probe (20) faces the contoured surface (14) of the workpiece (12) to be inspected when the backing piece (18) is disposed adjacent to the workpiece (12). The backing piece (18) is then expanded volumetrically by inserting at least one shim (32) into a slot (28) in the backing piece (18) to provide sufficient contact pressure between the probe (20) and the workpiece contoured surface (14) to enable the inspection of the workpiece contoured surface to be performed.

    摘要翻译: 工件(12)的轮廓表面(14)的涡流检查通过形成柔性的,可弹性屈服的材料的背衬件(18)来实现,该衬垫件具有与工件轮廓表面(14)形状相符的轮廓外表面(26) )。 优选地,将支撑件浇铸到适当位置以便与工件轮廓表面一致。 柔性涡流阵列探针(20)附接到背衬件(18)的轮廓外表面(26)上,使得探针(20)面对待检查的工件(12)的轮廓表面(14),当 背衬件(18)邻近工件(12)设置。 然后通过将至少一个垫片(32)插入到背衬件(18)中的槽(28)中而将支承件(18)体积膨胀,以在探针(20)和工件轮廓表面(14)之间提供足够的接触压力 )以使得能够检查待执行的工件轮廓表面。

    Thermographic inspection system for composite wind turbine blade
    15.
    发明公开
    Thermographic inspection system for composite wind turbine blade 审中-公开
    Thermographisches InspektionssystemfürWindturbinenflügelaus Verbundwerkstoff

    公开(公告)号:EP2811289A1

    公开(公告)日:2014-12-10

    申请号:EP14170741.4

    申请日:2014-06-02

    IPC分类号: G01N25/48 G01N25/72

    摘要: The present application provides a method of inspecting a bond joint 240. The method may include the steps of applying an exothermic adhesive 230 to a first shell 150 and/or a second shell 190, attaching the first shell 150 to the second shell 190 via the exothermic adhesive 230 to create the bond joint 240, allowing the exothermic adhesive 230 to cure, and imaging the heat released by the exothermic adhesive 230 along the bond joint 240. The bond joint 240 may be a turbine blade 100 bond joint 240.

    摘要翻译: 本申请提供了一种检查接合接头240的方法。该方法可以包括以下步骤:将放热粘合剂230施加到第一壳体150和/或第二壳体190,将第一壳体150经由 放热粘合剂230以形成粘合接头240,允许放热粘合剂230固化,并且使由放热粘合剂230沿着接合接头240释放的热成像。接合接头240可以是涡轮机叶片100接合接头240。

    Pulsed eddy current sensor probes and inspection methods
    19.
    发明公开
    Pulsed eddy current sensor probes and inspection methods 有权
    Prüfsondeund System mit einer gepulsten Wirbelstromsensoranordnung und Inspektionsverfahren

    公开(公告)号:EP1538441A1

    公开(公告)日:2005-06-08

    申请号:EP04257481.4

    申请日:2004-12-01

    IPC分类号: G01N27/90

    CPC分类号: G01N27/904

    摘要: A pulsed eddy current sensor probe (10) includes a sensor array board (12). A number of sensors (14) are arranged on the sensor array board and are operable to sense and generate output signals from the transient electromagnetic flux in a part (20) being inspected. Each of the sensors has a differential output with a positive and a negative output. At least one drive coil (16) is disposed adjacent to the sensors and is operable to transmit transient electromagnetic flux into the part. A first and a second multiplexer (18, 19) are arranged on the sensor array board and are operable to switch between the sensors. The first and second multiplexers are connected to the positive and negative outputs of the sensors, respectively.

    摘要翻译: 脉冲涡流传感器探针(10)包括传感器阵列板(12)。 多个传感器(14)布置在传感器阵列板上,并且可操作以感测并产生来自被检查的部分(20)中的瞬态电磁通量的输出信号。 每个传感器都有一个带有正和负输出的差分输出。 至少一个驱动线圈(16)设置成与传感器相邻,并且可操作以将瞬态电磁通量传输到该部件中。 第一和第二多路复用器(18,19)布置在传感器阵列板上并且可操作以在传感器之间切换。 第一和第二多路复用器分别连接到传感器的正和负输出。