HK217996A - Abnormality detecting device - Google Patents

Abnormality detecting device

Info

Publication number
HK217996A
HK217996A HK217996A HK217996A HK217996A HK 217996 A HK217996 A HK 217996A HK 217996 A HK217996 A HK 217996A HK 217996 A HK217996 A HK 217996A HK 217996 A HK217996 A HK 217996A
Authority
HK
Hong Kong
Prior art keywords
detecting device
abnormality detecting
abnormality
detecting
Prior art date
Application number
HK217996A
Other languages
English (en)
Inventor
Susumu Sato
Yoshihiro Togashi
Norio Ito
Koichi Ishii
Shinji Yasuda
Original Assignee
Mitsubishi Electric Corp
Susumu Sato
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, Susumu Sato filed Critical Mitsubishi Electric Corp
Publication of HK217996A publication Critical patent/HK217996A/xx

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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (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)
HK217996A 1989-11-24 1996-12-19 Abnormality detecting device HK217996A (en)

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
HK217996A true HK217996A (en) 1996-12-27

Family

ID=17940803

Family Applications (1)

Application Number Title Priority Date Filing Date
HK217996A HK217996A (en) 1989-11-24 1996-12-19 Abnormality detecting device

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218212A (en) * 1989-11-24 1993-06-08 Mitsubishi Denki Kabushiki Kaisha Device for optically detecting a chemical change in fluid
JPH04109151A (ja) * 1990-08-29 1992-04-10 Susumu Sato センサー
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
DE59813665D1 (de) 1998-03-07 2006-09-07 Bosch Gmbh Robert 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)

* 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
US4752447A (en) * 1985-02-26 1988-06-21 Siemens Aktiengesellschaft Optical filter with reversible color change
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

Also Published As

Publication number Publication date
US5075544A (en) 1991-12-24
JPH03165240A (ja) 1991-07-17
EP0434893A2 (en) 1991-07-03
DE69028188D1 (de) 1996-09-26
EP0434893A3 (en) 1991-11-21
EP0434893B1 (en) 1996-08-21
JP2646141B2 (ja) 1997-08-25

Similar Documents

Publication Publication Date Title
EP0432689A3 (en) Remaining-amount-of-battery detecting device
EP0349879A3 (en) Tire abnormality detecting device
EP0326396A3 (en) Position detecting apparatus
EP0322675A3 (en) Position detecting device
GB2243037B (en) Tool abnormality detecting device
EP0574964A3 (en) Detecting apparatus
EP0329430A3 (en) Position detecting device
GB2274538B (en) Indicator device
GB8920130D0 (en) Sensing device
GB8927905D0 (en) Detection device
GB2204206B (en) Moving object detecting device
GB8912277D0 (en) Sensor device
GB8929199D0 (en) Position detecting device
EP0434893A3 (en) Abnormality detecting device
GB8910875D0 (en) Measuring device
GB2221107B (en) Position detecting device
GB2187870B (en) Alarm device for detecting abnormality
GB2235972B (en) Inspection device
GB8903892D0 (en) Indicating device
EP0405637A3 (en) Thermal-radiation detection device manufacture
GB8916553D0 (en) Sensor device
GB8925830D0 (en) Sensing device
GB8916654D0 (en) Sensing device
GB8919219D0 (en) Distance monitoring device
GB8827403D0 (en) Detection device

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040531