DE69028188D1 - Vorrichtung zum Nachweis eines abnormalen Zustandes - Google Patents

Vorrichtung zum Nachweis eines abnormalen Zustandes

Info

Publication number
DE69028188D1
DE69028188D1 DE69028188T DE69028188T DE69028188D1 DE 69028188 D1 DE69028188 D1 DE 69028188D1 DE 69028188 T DE69028188 T DE 69028188T DE 69028188 T DE69028188 T DE 69028188T DE 69028188 D1 DE69028188 D1 DE 69028188D1
Authority
DE
Germany
Prior art keywords
detecting
abnormal condition
abnormal
condition
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69028188T
Other languages
English (en)
Inventor
Susumu Sato
Yoshihiro Togashi
Norio Ito
Koichi Ishii
Shinji Yasuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69028188D1 publication Critical patent/DE69028188D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H33/563—Gas reservoirs comprising means for monitoring the density of the insulating gas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H2033/567—Detection of decomposition products of the gas

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Relating To Insulation (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DE69028188T 1989-11-24 1990-05-31 Vorrichtung zum Nachweis eines abnormalen Zustandes Expired - Lifetime DE69028188D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1305074A JP2646141B2 (ja) 1989-11-24 1989-11-24 異常検出装置

Publications (1)

Publication Number Publication Date
DE69028188D1 true DE69028188D1 (de) 1996-09-26

Family

ID=17940803

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028188T Expired - Lifetime DE69028188D1 (de) 1989-11-24 1990-05-31 Vorrichtung zum Nachweis eines abnormalen Zustandes

Country Status (5)

Country Link
US (1) US5075544A (de)
EP (1) EP0434893B1 (de)
JP (1) JP2646141B2 (de)
DE (1) DE69028188D1 (de)
HK (1) HK217996A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04109151A (ja) * 1990-08-29 1992-04-10 Susumu Sato センサー
US5218212A (en) * 1989-11-24 1993-06-08 Mitsubishi Denki Kabushiki Kaisha Device for optically detecting a chemical change in fluid
US5468645A (en) * 1993-07-26 1995-11-21 Kirollos; Kirollos S. Method for real-time colorimetric measurement of exposure to airborne pollutants
FR2756043B1 (fr) * 1996-11-21 1998-12-24 Alsthom Cge Alcatel Dispositif de detection de produits gazeux dans un materiau isolant organique
JP2002506968A (ja) 1998-03-07 2002-03-05 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 光学センサ
KR100392336B1 (ko) * 2000-10-23 2003-07-22 주식회사 효성 가스 절연 전력 기기의 지락 사고구간 표시장치
DE102019220367A1 (de) * 2019-12-20 2021-06-24 Siemens Aktiengesellschaft Hochspannungsdurchführung und Verfahren zu deren Betriebsüberwachung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998591A (en) * 1975-09-26 1976-12-21 Leeds & Northrup Company Spectrochemical analyzer using surface-bound color reagents
US4136566A (en) * 1977-06-24 1979-01-30 University Of Utah Semiconductor temperature sensor
US4200110A (en) * 1977-11-28 1980-04-29 United States Of America Fiber optic pH probe
JPS55136942A (en) * 1979-04-13 1980-10-25 Hitachi Ltd Detecting method and apparatus for fluoride gas
JPS55163442A (en) * 1979-06-06 1980-12-19 Hitachi Ltd Adsorbent deterioration detection device of gas filled circuit breaker
US4471186A (en) * 1980-06-12 1984-09-11 Mitsubishi Denki Kabushiki Kaisha Abnormal condition detector of electric apparatus
JPS5724844A (en) * 1980-07-21 1982-02-09 Mitsubishi Electric Corp Detecting device for abnormality of gas
GB2103786A (en) * 1981-08-14 1983-02-23 Ici Plc Fibre optic sensor
DE3213183A1 (de) * 1982-04-08 1983-10-20 Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Anordnung zur optischen messung physikalischer groessen
JPS6039536A (ja) * 1983-08-12 1985-03-01 Hochiki Corp ガスセンサ
US4863694A (en) * 1985-02-26 1989-09-05 Siemens Aktiengesellschaft Chemically sensitive component
JPS6228418A (ja) * 1985-07-23 1987-02-06 Nippon Spindle Mfg Co Ltd 紡績用リングの製造方法
CA1257185A (en) * 1985-09-06 1989-07-11 Jean-Marie Braun Gas decomposition detector for gas-insulated electrical apparatus
KR900008953B1 (ko) * 1986-09-15 1990-12-15 휴우즈 에어크라프트 캄파니 수용액내의 이온을 감지하기 위한 시스템

Also Published As

Publication number Publication date
US5075544A (en) 1991-12-24
JP2646141B2 (ja) 1997-08-25
EP0434893A3 (en) 1991-11-21
EP0434893B1 (de) 1996-08-21
EP0434893A2 (de) 1991-07-03
HK217996A (en) 1996-12-27
JPH03165240A (ja) 1991-07-17

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Legal Events

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