KR930018265A - 유체파이프 온도이상검출 구조물 - Google Patents

유체파이프 온도이상검출 구조물 Download PDF

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Publication number
KR930018265A
KR930018265A KR1019930002028A KR930002028A KR930018265A KR 930018265 A KR930018265 A KR 930018265A KR 1019930002028 A KR1019930002028 A KR 1019930002028A KR 930002028 A KR930002028 A KR 930002028A KR 930018265 A KR930018265 A KR 930018265A
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South Korea
Prior art keywords
fluid pipe
optical fiber
temperature
along
section
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KR1019930002028A
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English (en)
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KR960013996B1 (ko
Inventor
가즈오 아마노
쇼다로 요시다
Original Assignee
다나까 시게노부
가부시끼가이샤 후지구라
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Priority claimed from JP4059801A external-priority patent/JP2631328B2/ja
Priority claimed from JP4059802A external-priority patent/JP2631329B2/ja
Priority claimed from JP4059803A external-priority patent/JP2688792B2/ja
Application filed by 다나까 시게노부, 가부시끼가이샤 후지구라 filed Critical 다나까 시게노부
Publication of KR930018265A publication Critical patent/KR930018265A/ko
Application granted granted Critical
Publication of KR960013996B1 publication Critical patent/KR960013996B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G01M3/047—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means with photo-electrical detection means, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/002—Investigating fluid-tightness of structures by using thermal means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Pipeline Systems (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

유체파이프 온도이상검출 구조물은 유체파이프를 따라 라만산란 광섬유 분포형 온도센서의 온도검출부로서 광섬유를 두므로써 온도이상 위치를 검출한다. 유체파이프는 세로방향으로 다수의 구간으로 분할되어 있으며, 분리형 광섬유는 각 구간에서 유체파이프를 따라 놓여 있다. 한 인접구간을 따라 놓여진 광섬유의 한 부분은 각구간 경계선 부근에서 다른 인접구간을 따라 놓여진 광섬유의 부분에 놓여지도록 겹쳐져 있다. 두 인접구간중 한 구간의 파이프를 따라 놓여진 다른 광섬유의 부분에 겹쳐져 있기 때문에, 경계영역에서 파이프의 유체누출과 같은 고장으로 인해 이상온도변화가 일어난다면, 온도변화피크위치, 즉, 이상발생위치가 두 다른 광섬유에 의해 검출된다. 그리하여, 검출정확도는 이상상태가 한 광섬유에 의해서만 검출되는 경우와 비교하여 향상된다.

Description

유체파이프 온도이상검출 구조물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 온도이상검출 구조물에 의한 실시예의 배치를 도시하는 개략도, 제2도는 제1도의 실시예의 주요부를 도시하는 도면, 제3도는 제1도의 실시예의 다른 주요부를 도시하는 도면.

Claims (3)

  1. 유체파이프를 따라 라만 산란 광섬유를 분포형 온도센서의 온도검출부로서 광섬유를 배치하여 온도이상위치를 검출하기 위한 유체파이프 온도 이상검출 구조물에서, 상기 유체파이프가 세로방향으로 다수의 구간으로 분할되어 있으며, 분리된 광섬유가 각 구간에서 상기 유체파이프를 따라 놓여 있으며, 한 인접구간을 따라 놓여진 광섬유의 한 부분이 구간의 각 경계선 부근에서 다른 인접구간을 따라 놓인 광섬유 부분에 놓여지도록 겹쳐지는 유체파이프 온도 이상검출 구조물.
  2. 유체파이프를 따라 라면 산란 광섬유 분포형 온도센서의 온도검출부로서 광섬유를 배치하여 온도이상위치를 검출하기 위한 유체파이프 온도 이상검출 구조물에서, 상기 유체파이프가 세로방향으로 다수의 구간으로 분할되어 있으며, 세로방향으로의 동일 광섬유의 둘 이상의 다른 부분이 구간경계선 부근에서 상기 유체파이프를 따라 놓이도록 겹쳐지는 유체파이프 온도 이상검출 구조물.
  3. 유체파이프를 따라 라만 산란 광섬유 분포형 온도센서의 온도검출부로서 광섬유를 배치하여 온도이상위치를 검출하기 위한 유체파이프 온도 이상검출 구조물에서, 상기 유체파이프가 상기 세로방향으로 다수의 구간으로 분할되어 있으며, 세로방향으로의 상기 유체파이프 위치와 무관한 나머지 부분이 상기 유체파이프의 구간경계선 부근에서 상기 유체파이프의 적어도 한부분의 광섬유의 세로방향으로 광섬유의 한 부분에 형성되는 유체파이프 온도 이상검출 구조물.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930002028A 1992-02-13 1993-02-13 유체파이프 온도이상검출 구조물 KR960013996B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP92-59802 1992-02-13
JP92-59801 1992-02-13
JP92-59803 1992-02-13
JP4059801A JP2631328B2 (ja) 1992-02-13 1992-02-13 流体流通管路における温度異常検出構造
JP4059802A JP2631329B2 (ja) 1992-02-13 1992-02-13 流体流通管路における温度異常検出構造
JP4059803A JP2688792B2 (ja) 1992-02-13 1992-02-13 流体流通管路における温度異常検出構造

Publications (2)

Publication Number Publication Date
KR930018265A true KR930018265A (ko) 1993-09-21
KR960013996B1 KR960013996B1 (ko) 1996-10-11

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Country Status (6)

Country Link
US (1) US5308162A (ko)
EP (1) EP0555846B1 (ko)
KR (1) KR960013996B1 (ko)
AU (1) AU643914B2 (ko)
CA (1) CA2089223C (ko)
DE (1) DE69304728T2 (ko)

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Also Published As

Publication number Publication date
US5308162A (en) 1994-05-03
CA2089223C (en) 1999-06-01
CA2089223A1 (en) 1993-08-14
DE69304728D1 (de) 1996-10-24
AU643914B2 (en) 1993-11-25
EP0555846A3 (en) 1993-11-18
DE69304728T2 (de) 1997-03-06
KR960013996B1 (ko) 1996-10-11
EP0555846A2 (en) 1993-08-18
EP0555846B1 (en) 1996-09-18
AU3299993A (en) 1993-09-02

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