WO2009057216A1 - ルースパーツ監視方法及び装置 - Google Patents

ルースパーツ監視方法及び装置 Download PDF

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Publication number
WO2009057216A1
WO2009057216A1 PCT/JP2007/071320 JP2007071320W WO2009057216A1 WO 2009057216 A1 WO2009057216 A1 WO 2009057216A1 JP 2007071320 W JP2007071320 W JP 2007071320W WO 2009057216 A1 WO2009057216 A1 WO 2009057216A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
error
false
true
determined
Prior art date
Application number
PCT/JP2007/071320
Other languages
English (en)
French (fr)
Inventor
Toshizumi Morisawa
Original Assignee
Shikoku Electric Power Company Incorporated
Shikoku Research Institute Incorporated
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shikoku Electric Power Company Incorporated, Shikoku Research Institute Incorporated filed Critical Shikoku Electric Power Company Incorporated
Priority to PCT/JP2007/071320 priority Critical patent/WO2009057216A1/ja
Priority to JP2009538891A priority patent/JP4703766B2/ja
Publication of WO2009057216A1 publication Critical patent/WO2009057216A1/ja
Priority to US12/769,242 priority patent/US8446287B2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

　ルースパーツの監視方法及び装置において、誤警報の発生を極力防止し、高い信頼性を得る。 　第１～第６の誤信号判断ステップのうち、第２の誤信号判断ステップではインパクトの波形の立上り勾配、即ち、音の強さの変化に基づいて信号の正誤が判断され、第３の誤信号判断ステップでは衝撃音の波形の減衰期間、即ち、音の強さの変化に基づいて信号の正誤が判断され、第４の誤信号判断ステップでは周波数スペクトラム、即ち、音の周波数の分布（音高）に基づいて信号の正誤が判断され、第６の誤信号判断ステップでは、検出信号と各誤信号判断ステップで誤信号と判断された信号の対比、即ち、音の強さの変化と音の周波数の分布と音の大きさに基づいて信号の正誤が総合的に判断される様にする。この結果、検出信号の正誤の判断精度が格段に向上し、誤警報の極めて少ないルースパーツの監視がなされる。
PCT/JP2007/071320 2007-11-01 2007-11-01 ルースパーツ監視方法及び装置 WO2009057216A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/071320 WO2009057216A1 (ja) 2007-11-01 2007-11-01 ルースパーツ監視方法及び装置
JP2009538891A JP4703766B2 (ja) 2007-11-01 2007-11-01 ルースパーツ監視方法及び装置
US12/769,242 US8446287B2 (en) 2007-11-01 2010-04-28 Loose part monitoring method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/071320 WO2009057216A1 (ja) 2007-11-01 2007-11-01 ルースパーツ監視方法及び装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/769,242 Continuation-In-Part US8446287B2 (en) 2007-11-01 2010-04-28 Loose part monitoring method and system

Publications (1)

Publication Number Publication Date
WO2009057216A1 true WO2009057216A1 (ja) 2009-05-07

Family

ID=40590625

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/071320 WO2009057216A1 (ja) 2007-11-01 2007-11-01 ルースパーツ監視方法及び装置

Country Status (3)

Country Link
US (1) US8446287B2 (ja)
JP (1) JP4703766B2 (ja)
WO (1) WO2009057216A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103093840A (zh) * 2013-01-25 2013-05-08 杭州电子科技大学 反应堆松动件报警方法
CN114652916A (zh) * 2017-06-19 2022-06-24 贝克顿·迪金森公司 用以诱发适当压力和流量曲线并改善传感器准备状态的起动阀
WO2024040872A1 (zh) * 2022-08-23 2024-02-29 中广核研究院有限公司 反应堆中修复组件的入堆可行性方法、装置及设备

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200470A (zh) * 2011-03-04 2011-09-28 青海电力科学试验研究院 一种高压电抗器振动测试方法
CN103400611B (zh) * 2013-07-10 2016-01-20 中国核动力研究设计院 电动脉冲锤及电动脉冲锤试验装置
JP6933595B2 (ja) * 2018-03-14 2021-09-08 株式会社東芝 診断装置、診断ロボット、診断方法及びプログラム
CN110532836B (zh) * 2018-05-25 2022-03-22 中广核工程有限公司 核电站信号识别方法、装置、计算机设备及存储介质
EP3726340B1 (en) * 2019-04-15 2022-08-10 NXP USA, Inc. Wake-up circuit and methodology for reducing false wake-up events
CN117125186B (zh) * 2023-10-27 2023-12-22 南通苏通船务工程管理有限公司 一种具备松动警示功能的舱室壁板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621021A (en) * 1979-07-31 1981-02-27 Nippon Atom Ind Group Co Ltd Device for monitoring vibration
JPS5760230A (en) * 1980-09-29 1982-04-12 Hitachi Ltd Orientating device for position of sound source
JPS6027329U (ja) * 1983-08-02 1985-02-23 バブコツク日立株式会社 原子炉ノイズ監視装置
JPS62104196U (ja) * 1985-12-21 1987-07-02
JPS63165799A (ja) * 1986-12-26 1988-07-09 バブコツク日立株式会社 流路内のル−スパ−ツ位置推定装置
JPH05126980A (ja) * 1991-11-05 1993-05-25 Babcock Hitachi Kk 異常診断支援装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642114A (en) * 1979-09-14 1981-04-20 Chugoku Electric Power Co Ltd:The Detection method for loose parts
FR2475769A1 (fr) * 1980-02-12 1981-08-14 Framatome Sa Dispositif acoustique de surveillance d'une installation industrielle
FR2491646A1 (fr) * 1980-10-02 1982-04-09 Framatome Sa Procede et dispositif de surveillance acoustique d'une installation industrielle
US4747309A (en) * 1980-10-02 1988-05-31 Imperial Chemical Industries Plc Structures and methods of testing them with linear microphones
JPS59225374A (ja) * 1983-06-06 1984-12-18 Hitachi Ltd 音源位置標定方法とその装置
JPH0822199B2 (ja) * 1983-07-21 1996-03-06 島野工業株式会社 スピニングリ−ル
DE3479759D1 (en) * 1983-10-07 1989-10-19 Hitachi Ltd Method and apparatus for locating a sound source
JPS62104196A (ja) * 1985-10-31 1987-05-14 日東紡績株式会社 多層用プリント配線基板
JP2648597B2 (ja) 1987-07-09 1997-09-03 バブコツク日立株式会社 原子炉装置の流体流路内のルースパーツの監視装置
JP2886862B2 (ja) 1988-02-23 1999-04-26 バブコツク日立株式会社 原子炉装置の流体流路内のルースパーツ監視装置
JP2862876B2 (ja) 1988-06-23 1999-03-03 バブコツク日立株式会社 ルースパーツ監視装置
JP2878804B2 (ja) * 1989-09-19 1999-04-05 東京瓦斯株式会社 配管の異常監視装置
JP2702876B2 (ja) * 1993-09-08 1998-01-26 株式会社石川製作所 音響源検出装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621021A (en) * 1979-07-31 1981-02-27 Nippon Atom Ind Group Co Ltd Device for monitoring vibration
JPS5760230A (en) * 1980-09-29 1982-04-12 Hitachi Ltd Orientating device for position of sound source
JPS6027329U (ja) * 1983-08-02 1985-02-23 バブコツク日立株式会社 原子炉ノイズ監視装置
JPS62104196U (ja) * 1985-12-21 1987-07-02
JPS63165799A (ja) * 1986-12-26 1988-07-09 バブコツク日立株式会社 流路内のル−スパ−ツ位置推定装置
JPH05126980A (ja) * 1991-11-05 1993-05-25 Babcock Hitachi Kk 異常診断支援装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103093840A (zh) * 2013-01-25 2013-05-08 杭州电子科技大学 反应堆松动件报警方法
CN114652916A (zh) * 2017-06-19 2022-06-24 贝克顿·迪金森公司 用以诱发适当压力和流量曲线并改善传感器准备状态的起动阀
CN114652916B (zh) * 2017-06-19 2024-03-12 贝克顿·迪金森公司 用以诱发适当压力和流量曲线并改善传感器准备状态的起动阀
WO2024040872A1 (zh) * 2022-08-23 2024-02-29 中广核研究院有限公司 反应堆中修复组件的入堆可行性方法、装置及设备

Also Published As

Publication number Publication date
JP4703766B2 (ja) 2011-06-15
US8446287B2 (en) 2013-05-21
US20100321195A1 (en) 2010-12-23
JPWO2009057216A1 (ja) 2011-03-10

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