公开(公告)号：US20110317796A1

公开(公告)日：2011-12-29

申请号：US13155643

申请日：2011-06-08

申请人： Katsuhiko Sato ,  Hidehiko Kuroda ,  Mitsuhiro Enomoto ,  Hidefumi Amanai ,  Tooru Ootsubo

发明人： Katsuhiko Sato ,  Hidehiko Kuroda ,  Mitsuhiro Enomoto ,  Hidefumi Amanai ,  Tooru Ootsubo

IPC分类号： G21C17/00

CPC分类号： G01H1/00 ,  G21C17/00

摘要： A vibration measuring apparatus for nuclear reactor internal structure includes a holder which has an opening contact on a surface of a pressure vessel of a nuclear reactor; a vibrator accommodated in the holder so as to transmit or receive an ultrasonic wave; a couplant with which the holder is filled up; and, a bias component applies a biasing force to the vibrator in the direction of the opening; The couplant is a solid state of metal material at normal temperature and change to liquid stage by heat transfer from the pressure vessel.

摘要翻译： 用于核反应堆内部结构的振动测量装置包括在核反应堆的压力容器的表面上具有开口接触的保持器; 容纳在所述保持器中以便发送或接收超声波的振动器; 持有人填充的耦合剂; 并且偏压部件沿着开口的方向向振动器施加偏置力; 耦合剂是常温下的金属材料的固态，并通过从压力容器的热传递而变为液态。

公开(公告)号：US09285264B2

公开(公告)日：2016-03-15

申请号：US13155643

申请日：2011-06-08

申请人： Katsuhiko Sato ,  Hidehiko Kuroda ,  Mitsuhiro Enomoto ,  Hidefumi Amanai ,  Tooru Ootsubo

发明人： Katsuhiko Sato ,  Hidehiko Kuroda ,  Mitsuhiro Enomoto ,  Hidefumi Amanai ,  Tooru Ootsubo

IPC分类号： G21C17/00 ,  G01H1/00

CPC分类号： G01H1/00 ,  G21C17/00

摘要： A vibration measuring apparatus for nuclear reactor internal structure includes a holder which has an opening contact on a surface of a pressure vessel of a nuclear reactor; a vibrator accommodated in the holder so as to transmit or receive an ultrasonic wave; a couplant with which the holder is filled up; and, a bias component applies a biasing force to the vibrator in the direction of the opening; The couplant is a solid state of metal material at normal temperature and change to liquid stage by heat transfer from the pressure vessel.

摘要翻译： 用于核反应堆内部结构的振动测量装置包括在核反应堆的压力容器的表面上具有开口接触的保持器; 容纳在所述保持器中以便发送或接收超声波的振动器; 持有人填充的耦合剂; 并且偏压部件沿着开口的方向向振动器施加偏置力; 耦合剂是常温下的金属材料的固态，并通过从压力容器的热传递而变为液态。

公开(公告)号：US09099206B2

公开(公告)日：2015-08-04

申请号：US13529010

申请日：2012-06-21

申请人： Hidehiko Kuroda ,  Tooru Ootsubo

发明人： Hidehiko Kuroda ,  Tooru Ootsubo

IPC分类号： G21C17/003 ,  G01H17/00 ,  G21C17/10

CPC分类号： G21C17/003 ,  G01H17/00 ,  G21C17/10

摘要： According to an embodiment, a nuclear reactor monitoring device comprises: an ultrasonic wave transmission means which is installed on the outside surface of a reactor pressure vessel and transmits ultrasonic pulses to the interior of the reactor pressure vessel; an ultrasonic wave receiving means which is installed on the outside surface of the reactor pressure vessels and receives reflected pulses including ultrasonic waves from the ultrasonic pulses reflected by an inspection object in the reactor pressure vessel; a preprocessing means which specifies and removes the reflected ultrasonic pulses generated in the wall of the reactor pressure vessel from the reflected pulse signal received by the ultrasonic wave receiving means or selectively extracts the reflected pulse signal; and a calculation means which determines the vibration of the inspection object from the reflection pulse signal processed by the preprocessing means in accordance with the observation time of the inspection object.

摘要翻译： 根据实施例，核反应堆监测装置包括：超声波传输装置，其安装在反应堆压力容器的外表面上，并将超声波脉冲发射到反应堆压力容器的内部; 超声波接收装置，其安装在反应堆压力容器的外表面上，并从反应堆压力容器中的检查对象反射的超声脉冲接收包括超声波的反射脉冲; 预处理装置，其从由超声波接收装置接收到的反射脉冲信号中指定和去除在反应堆压力容器的壁中产生的反射的超声波脉冲，或选择性地提取反射的脉冲信号; 以及计算装置，根据检查对象的观察时间，根据由预处理装置处理的反射脉冲信号确定检查对象的振动。

公开(公告)号：US20120285246A1

公开(公告)日：2012-11-15

申请号：US13529010

申请日：2012-06-21

申请人： Hidehiko KURODA ,  Tooru Ootsubo

发明人： Hidehiko KURODA ,  Tooru Ootsubo

IPC分类号： G01N29/04

CPC分类号： G21C17/003 ,  G01H17/00 ,  G21C17/10

摘要： According to an embodiment, a nuclear reactor monitoring device comprises: an ultrasonic wave transmission means which is installed on the outside surface of a reactor pressure vessel and transmits ultrasonic pulses to the interior of the reactor pressure vessel; an ultrasonic wave receiving means which is installed on the outside surface of the reactor pressure vessels and receives reflected pulses including ultrasonic waves from the ultrasonic pulses reflected by an inspection object in the reactor pressure vessel; a preprocessing means which specifies and removes the reflected ultrasonic pulses generated in the wall of the reactor pressure vessel from the reflected pulse signal received by the ultrasonic wave receiving means or selectively extracts the reflected pulse signal; and a calculation means which determines the vibration of the inspection object from the reflection pulse signal processed by the preprocessing means in accordance with the observation time of the inspection object.

摘要翻译： 根据实施例，核反应堆监测装置包括：超声波传输装置，其安装在反应堆压力容器的外表面上，并将超声波脉冲发射到反应堆压力容器的内部; 超声波接收装置，其安装在反应堆压力容器的外表面上，并从反应堆压力容器中的检查对象反射的超声脉冲接收包括超声波的反射脉冲; 预处理装置，其从由超声波接收装置接收到的反射脉冲信号中指定和去除在反应堆压力容器的壁中产生的反射的超声波脉冲，或选择性地提取反射的脉冲信号; 以及计算装置，根据检查对象的观察时间，根据由预处理装置处理的反射脉冲信号确定检查对象的振动。