CA2183502A1 - Detecteur de gaz - Google Patents

Detecteur de gaz

Info

Publication number
CA2183502A1
CA2183502A1 CA 2183502 CA2183502A CA2183502A1 CA 2183502 A1 CA2183502 A1 CA 2183502A1 CA 2183502 CA2183502 CA 2183502 CA 2183502 A CA2183502 A CA 2183502A CA 2183502 A1 CA2183502 A1 CA 2183502A1
Authority
CA
Canada
Prior art keywords
light
gas
target
receiver
optical
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.)
Granted
Application number
CA 2183502
Other languages
English (en)
Other versions
CA2183502C (fr
Inventor
John Tulip
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US08/519,027 external-priority patent/US5637872A/en
Priority claimed from US08/526,573 external-priority patent/US5748325A/en
Application filed by Individual filed Critical Individual
Priority to CA2637306A priority Critical patent/CA2637306C/fr
Publication of CA2183502A1 publication Critical patent/CA2183502A1/fr
Application granted granted Critical
Publication of CA2183502C publication Critical patent/CA2183502C/fr
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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1793—Remote sensing
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396—Type of laser source
    • G01N2021/399—Diode laser

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA 2183502 1995-08-24 1996-08-16 Detecteur de gaz Expired - Lifetime CA2183502C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2637306A CA2637306C (fr) 1995-08-24 1996-08-16 Detecteur de gaz

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US08/519,027 1995-08-24
US08/519,027 US5637872A (en) 1995-08-24 1995-08-24 Gas detector
US08/526,573 1995-09-11
US08/526,573 US5748325A (en) 1995-09-11 1995-09-11 Gas detector for plural target zones
US55171295A 1995-11-01 1995-11-01
US08/551,712 1995-11-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2637306A Division CA2637306C (fr) 1995-08-24 1996-08-16 Detecteur de gaz

Publications (2)

Publication Number Publication Date
CA2183502A1 true CA2183502A1 (fr) 1997-02-25
CA2183502C CA2183502C (fr) 2008-10-14

Family

ID=27414714

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2637306A Expired - Lifetime CA2637306C (fr) 1995-08-24 1996-08-16 Detecteur de gaz
CA 2183502 Expired - Lifetime CA2183502C (fr) 1995-08-24 1996-08-16 Detecteur de gaz

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2637306A Expired - Lifetime CA2637306C (fr) 1995-08-24 1996-08-16 Detecteur de gaz

Country Status (2)

Country Link
CA (2) CA2637306C (fr)
DE (1) DE19634191B4 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106124287A (zh) * 2016-06-13 2016-11-16 山东思睿环境设备科技有限公司 高温高压消解光纤比色系统
CN114062286A (zh) * 2020-07-31 2022-02-18 横河电机株式会社 气体分析系统及气体分析方法
CN114384035A (zh) * 2022-01-14 2022-04-22 中国科学技术大学 气体成分吸收光谱测量方法及系统
CN118549384A (zh) * 2024-07-26 2024-08-27 南昌航空大学 一种机载大气甲烷泄露遥测装置
CN119436006A (zh) * 2023-08-07 2025-02-14 中国石油天然气集团有限公司 一种掺氢天然气站场气体泄漏光谱遥测方法及装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744164A1 (de) * 1997-10-07 1999-04-08 Zae Bayern Bildgebendes Verfahren zur Detektion von Gasverteilungen in Echtheit
DE10063678A1 (de) * 2000-12-20 2002-07-18 Siemens Ag Verfahren zur selektiven Detektion von Gasen mittels Laserspektroskopie
FR2819311B1 (fr) * 2001-01-05 2003-06-13 Commissariat Energie Atomique Dispositif de mesure de concentration de gaz
RU2278371C1 (ru) * 2004-12-21 2006-06-20 Открытое акционерное общество "Промгаз" ОАО "Промгаз" Оптический газоанализатор
NO326482B1 (no) * 2005-05-31 2008-12-15 Integrated Optoelectronics As En ny infrarod laserbasert alarm
DE102007027010B4 (de) 2007-06-08 2023-02-16 Spectro Analytical Instruments Gmbh Spektrometeroptik mit nicht-sphärischen Spiegeln
DE102011010799A1 (de) 2011-02-09 2012-08-09 Krohne Messtechnik Gmbh Explosionsgeschütztes Gerät
CN103398966A (zh) * 2013-08-20 2013-11-20 杭州北斗星膜制品有限公司 光谱仪在有机溶液中测定tmc浓度的方法
DE102016226212A1 (de) * 2016-12-23 2018-06-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyseeinrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625613A (en) * 1968-06-28 1971-12-07 Avco Corp Apparatus for remote sensing and analyzing of gaseous materials using raman radiation
DE2133080C3 (de) * 1971-07-02 1974-10-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zur optischen Kontrolle von Luftverunreinigungen in einem Großraum
US4516858A (en) * 1982-02-09 1985-05-14 The United States Of America As Represented By The Secretary Of The Air Force Multiple site laser excited pollution monitoring system
US4489239A (en) * 1982-09-24 1984-12-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Portable remote laser sensor for methane leak detection
FR2569864B1 (fr) * 1984-09-04 1987-01-30 Commissariat Energie Atomique Equipement d'emission et de distribution de lumiere par fibres optiques, notamment pour le controle spectrophotometrique en ligne a l'aide d'un spectrophotometre double faisceau
DE3633931A1 (de) * 1986-10-04 1988-04-07 Kernforschungsz Karlsruhe Verfahren und einrichtung zur kontinuierlichen messung der konzentration eines gasbestandteiles
DE3734401A1 (de) * 1987-10-12 1989-04-27 Fraunhofer Ges Forschung Laserabsorptionsspektrometer
DE4110095C2 (de) * 1991-03-27 1998-02-12 Draegerwerk Ag Verfahren zur gasspektroskopischen Messung der Konzentration eines Gasbestandteiles
DE4333422C1 (de) * 1993-09-30 1995-03-02 Fraunhofer Ges Forschung Verfahren und Anordnung zur Bestimmung und Normierung der Intensität eines Meßsignals, insbesondere bei der Modulations-Laser-Absorptionsspektroskopie

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106124287A (zh) * 2016-06-13 2016-11-16 山东思睿环境设备科技有限公司 高温高压消解光纤比色系统
CN114062286A (zh) * 2020-07-31 2022-02-18 横河电机株式会社 气体分析系统及气体分析方法
CN114062286B (zh) * 2020-07-31 2024-04-02 横河电机株式会社 气体分析系统及气体分析方法
CN114384035A (zh) * 2022-01-14 2022-04-22 中国科学技术大学 气体成分吸收光谱测量方法及系统
CN114384035B (zh) * 2022-01-14 2024-11-12 谱睿量子科技(山东)有限公司 气体成分吸收光谱测量方法及系统
CN119436006A (zh) * 2023-08-07 2025-02-14 中国石油天然气集团有限公司 一种掺氢天然气站场气体泄漏光谱遥测方法及装置
CN118549384A (zh) * 2024-07-26 2024-08-27 南昌航空大学 一种机载大气甲烷泄露遥测装置

Also Published As

Publication number Publication date
DE19634191B4 (de) 2008-06-26
CA2637306A1 (fr) 1997-02-25
CA2637306C (fr) 2013-01-08
DE19634191A1 (de) 1997-02-27
CA2183502C (fr) 2008-10-14

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Legal Events

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EEER Examination request
MKEX Expiry

Effective date: 20160816