公开(公告)号：EP2881700A1

公开(公告)日：2015-06-10

申请号：EP13823136.0

申请日：2013-07-19

申请人： Korea Atomic Energy Research Institute ,  Korea Hydro Nuclear Power Co., Ltd.

发明人： LEE, Deok Hyun ,  CHOI, Myung Sik ,  HUR, Do Haeng ,  HAN, Jung Ho

IPC分类号： G01B7/12 ,  G01N27/90

摘要： Provided is an apparatus for detecting an ovality of a circumference of a cross section of a heat exchanger tube, the apparatus including a probe body inserted in a heat exchanger tube, moveable in a lengthwise direction of the heat exchanger tube, and rotatable in a circumferential direction of an inner surface of the heat exchanger tube, a support foot disposed at both ends of the probe body to support a linear movement and a rotation of the probe body, a coil support unit provided at different locations of the probe body, and an eddy current coil mounted on the coil support unit, and including a first coil unit and a second coil unit to measure an eddy current resistance to detect an ovality of the heat exchanger tube, and the eddy current coil may use one coil unit among the first coil unit and the second coil unit as a test coil and a remaining as a reference coil, or may use both the first coil unit and the second coil unit as test coils.

摘要翻译： 提供的示例是用于检测到热交换器管的横截面的圆周的椭圆度的装置，包括插入在热交换器管的主体，在所述热交换管的长度方向移动，并且可旋转的基座在周的装置 热交换管的内表面的方向，在探头主体的两端设置在支撑脚支持的直线运动和所述探头主体的旋转，在探头主体的不同位置处设置的线圈支撑单元，以及 涡流线圈安装在所述线圈支撑装置上，并包括第一线圈单元和第二线圈单元来测量到涡流阻力在热交换器管的椭圆度进行检测，和涡流线圈可使用第一中的一个线圈单元 线圈单元和第二线圈单元作为测试线圈和其余为基准线圈，或者可以使用两者的第一线圈单元和第二线圈单元作为测试线圈。

公开(公告)号：EP2881700B1

公开(公告)日：2020-01-08

申请号：EP13823136.0

申请日：2013-07-19

申请人： Korea Atomic Energy Research Institute ,  Korea Hydro Nuclear Power Co., Ltd.

发明人： LEE, Deok Hyun ,  CHOI, Myung Sik ,  HUR, Do Haeng ,  HAN, Jung Ho

IPC分类号： G01B7/28 ,  G01N27/90