CA2637306A1 - Detecteur de gaz - Google Patents

Detecteur de gaz Download PDF

Info

Publication number: CA2637306A1
Authority: CA; Canada
Prior art keywords: light; laser; gas; target; gas detector
Prior art date: 1995-08-24
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

CA002637306A

Other languages

English (en)

Other versions

CA2637306C (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.)

1995-08-24

Filing date

1996-08-16

Publication date

1997-02-25

1995-08-24 Priority claimed from US08/519,027 external-priority patent/US5637872A/en

1995-09-11 Priority claimed from US08/526,573 external-priority patent/US5748325A/en

1996-08-16 Application filed by Individual filed Critical Individual

1997-02-25 Publication of CA2637306A1 publication Critical patent/CA2637306A1/fr

2013-01-08 Application granted granted Critical

2013-01-08 Publication of CA2637306C publication Critical patent/CA2637306C/fr

2016-08-16 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 claims abstract description 92
239000013307 optical fiber Substances 0.000 claims abstract description 70
238000000034 method Methods 0.000 claims abstract description 39
238000001514 detection method Methods 0.000 claims abstract description 34
239000000835 fiber Substances 0.000 claims abstract description 28
BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims abstract description 17
230000035945 sensitivity Effects 0.000 claims abstract description 10
238000010521 absorption reaction Methods 0.000 claims description 46
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 36
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
229910021529 ammonia Inorganic materials 0.000 claims description 8
230000005540 biological transmission Effects 0.000 claims description 6
230000001681 protective effect Effects 0.000 claims description 5
230000023077 detection of light stimulus Effects 0.000 claims description 4
238000001914 filtration Methods 0.000 abstract description 2
239000007789 gas Substances 0.000 description 139
231100001261 hazardous Toxicity 0.000 description 9
230000000694 effects Effects 0.000 description 7
238000001285 laser absorption spectroscopy Methods 0.000 description 7
230000007613 environmental effect Effects 0.000 description 5
230000008859 change Effects 0.000 description 4
238000004880 explosion Methods 0.000 description 4
238000009434 installation Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
229910001868 water Inorganic materials 0.000 description 4
239000002360 explosive Substances 0.000 description 3
230000009467 reduction Effects 0.000 description 3
238000011896 sensitive detection Methods 0.000 description 3
CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000011161 development Methods 0.000 description 2
LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
238000005259 measurement Methods 0.000 description 2
238000004611 spectroscopical analysis Methods 0.000 description 2
MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
238000012935 Averaging Methods 0.000 description 1
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
238000000862 absorption spectrum Methods 0.000 description 1
HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
230000006870 function Effects 0.000 description 1
229910000042 hydrogen bromide Inorganic materials 0.000 description 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
229910000041 hydrogen chloride Inorganic materials 0.000 description 1
229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
230000031700 light absorption Effects 0.000 description 1
238000000691 measurement method Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
229920000729 poly(L-lysine) polymer Polymers 0.000 description 1
230000008569 process Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000003672 processing method Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000000243 solution Substances 0.000 description 1
241000894007 species Species 0.000 description 1
238000010408 sweeping Methods 0.000 description 1
239000002341 toxic gas Substances 0.000 description 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
- G01N21/17—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)

CA2637306A 1995-08-24 1996-08-16 Detecteur de gaz Expired - Lifetime CA2637306C (fr)

Applications Claiming Priority (7)

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
CA 2183502 CA2183502C (fr)	1995-08-24	1996-08-16	Detecteur de gaz

Related Parent Applications (1)

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

Publications (2)

Publication Number	Publication Date
CA2637306A1 true CA2637306A1 (fr)	1997-02-25
CA2637306C CA2637306C (fr)	2013-01-08

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 After (1)

Application Number	Title	Priority Date	Filing Date
CA 2183502 Expired - Lifetime CA2183502C (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 (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8528401B2 (en)	2011-02-09	2013-09-10	Krohne Messtechnik Gmbh	Explosion-proof device

Families Citing this family (13)

* 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
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
CN106124287B (zh) *	2016-06-13	2024-07-02	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
DE102016226212A1 (de) *	2016-12-23	2018-06-28	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Analyseeinrichtung
JP7259813B2 (ja) *	2020-07-31	2023-04-18	横河電機株式会社	ガス分析システム及びガス分析方法
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
CN119436006B (zh) *	2023-08-07	2025-09-30	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
CN118549384B (zh) *	2024-07-26	2024-09-24	南昌航空大学	一种机载大气甲烷泄露遥测装置

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

1996
- 1996-08-16 CA CA2637306A patent/CA2637306C/fr not_active Expired - Lifetime
- 1996-08-16 CA CA 2183502 patent/CA2183502C/fr not_active Expired - Lifetime
- 1996-08-23 DE DE1996134191 patent/DE19634191B4/de not_active Expired - Fee Related

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8528401B2 (en)	2011-02-09	2013-09-10	Krohne Messtechnik Gmbh	Explosion-proof device

Also Published As

Publication number	Publication date
DE19634191B4 (de)	2008-06-26
CA2637306C (fr)	2013-01-08
DE19634191A1 (de)	1997-02-27
CA2183502A1 (fr)	1997-02-25
CA2183502C (fr)	2008-10-14

Legal Events

Date	Code	Title	Description
2008-08-22	EEER	Examination request
2016-10-18	MKEX	Expiry	Effective date: 20160816

Publication	Publication Date	Title
US5748325A (en)	1998-05-05	Gas detector for plural target zones
US5637872A (en)	1997-06-10	Gas detector
CA2637306C (fr)	2013-01-08	Detecteur de gaz
US5339155A (en)	1994-08-16	Optical wavelength modulated long-path gas monitoring apparatus
US5373160A (en)	1994-12-13	Remote hazardous air pullutants monitor
US6538728B1 (en)	2003-03-25	Gas sensor with open optical measurement path
EP0287929B1 (fr)	1994-02-16	Analyseur de gaz avec télédétection
AU2009200023B2 (en)	2010-08-26	Gas flux measuring device
US5451787A (en)	1995-09-19	Hazardous air pollutants monitor
GB2224880A (en)	1990-05-16	A laser heterodyne system
US5373367A (en)	1994-12-13	Multiple angle and redundant visibility sensor
US5502558A (en)	1996-03-26	Laser doppler velocimeter
GB2163251A (en)	1986-02-19	Infrared gas detector
WO1994016311A1 (fr)	1994-07-21	Analyseur de gaz
US4905244A (en)	1990-02-27	Heterodyne laser spectroscopy system
CA2087439C (fr)	1996-07-09	Teledetecteur a l'infrarouge avec transformation de fourier et methode d'utilisation de celui-ci
EP0100357B1 (fr)	1988-07-06	Procedes et moyens d'utilisation de faisceaux apodises
US11391667B2 (en)	2022-07-19	Laser gas analyzer
CN110031425A (zh)	2019-07-19	激光气体遥测装置和激光气体遥测方法
RU2108565C1 (ru)	1998-04-10	Система мониторинга окружающего пространства
CA2997148C (fr)	2024-03-12	Analyseur de gaz a laser
EP1151275B1 (fr)	2005-12-21	Systeme et procede de detection d'emissions distantes, avec utilisation d'un faisceau composite a base de rayonnement infrarouge et ultraviolet qui est non divise aux fins de detection
Zavrsnik et al.	2000	Analysis of quasi-distributed optical sensors combining rf modulation with the FMCW method
WO1994000750A1 (fr)	1994-01-06	Guide d'onde de lumiere servant de detecteur de gaz et/ou de liquide et systeme permettant de superviser et/ou de modifier une unite peripherique selectionnee parmi plusieurs autres unites semblables
GB2153994A (en)	1985-08-29	Gas detection system

CA2637306A1 - Detecteur de gaz - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (7)

Related Parent Applications (1)

Publications (2)

Family

ID=27414714

Family Applications (2)

Family Applications After (1)

Country Status (2)

Cited By (1)

Families Citing this family (13)

Family Cites Families (9)

Cited By (1)

Also Published As

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