DE69028188D1 - Vorrichtung zum Nachweis eines abnormalen Zustandes - Google Patents
Vorrichtung zum Nachweis eines abnormalen ZustandesInfo
- 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
Links
- 230000002159 abnormal effect Effects 0.000 title 1
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)
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)
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 |
WO1999045369A1 (de) * | 1998-03-07 | 1999-09-10 | Robert Bosch Gmbh | Optischer sensor |
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)
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 |
CA1276532C (en) * | 1985-02-26 | 1990-11-20 | Heinrich Kimmel | Method for the continuous measurement of the partial pressure of gases and vapors |
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 |
BR8707455A (pt) * | 1986-09-15 | 1988-11-01 | Hughes Aircraft Co | Sistema e processo para detectar ions em solucao aquosa e sonda para insercao parcial na mesma |
-
1989
- 1989-11-24 JP JP1305074A patent/JP2646141B2/ja not_active Expired - Lifetime
-
1990
- 1990-05-31 US US07/531,165 patent/US5075544A/en not_active Expired - Fee Related
- 1990-05-31 DE DE69028188T patent/DE69028188D1/de not_active Expired - Lifetime
- 1990-05-31 EP EP90110370A patent/EP0434893B1/de not_active Expired - Lifetime
-
1996
- 1996-12-19 HK HK217996A patent/HK217996A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5075544A (en) | 1991-12-24 |
HK217996A (en) | 1996-12-27 |
EP0434893A2 (de) | 1991-07-03 |
JP2646141B2 (ja) | 1997-08-25 |
JPH03165240A (ja) | 1991-07-17 |
EP0434893A3 (en) | 1991-11-21 |
EP0434893B1 (de) | 1996-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |