CA2323675A1 - Detecteur de gaz a cellule - Google Patents

Detecteur de gaz a cellule Download PDF

Info

Publication number
CA2323675A1
CA2323675A1 CA 2323675 CA2323675A CA2323675A1 CA 2323675 A1 CA2323675 A1 CA 2323675A1 CA 2323675 CA2323675 CA 2323675 CA 2323675 A CA2323675 A CA 2323675A CA 2323675 A1 CA2323675 A1 CA 2323675A1
Authority
CA
Canada
Prior art keywords
detector
gas
chamber
sensor
radiant energy
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.)
Abandoned
Application number
CA 2323675
Other languages
English (en)
Inventor
Vincent Y. Chow
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.)
Pittway Corp
Original Assignee
Pittway 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 Pittway Corp filed Critical Pittway Corp
Publication of CA2323675A1 publication Critical patent/CA2323675A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/37Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03Cuvette constructions
    • G01N2021/0378Shapes
    • G01N2021/0382Frustoconical, tapered cell
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03Cuvette constructions
    • G01N21/031Multipass arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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 Optical Means (AREA)
CA 2323675 1999-10-21 2000-10-17 Detecteur de gaz a cellule Abandoned CA2323675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42268199A 1999-10-21 1999-10-21
US09/422,681 1999-10-21

Publications (1)

Publication Number Publication Date
CA2323675A1 true CA2323675A1 (fr) 2001-04-21

Family

ID=23675908

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2323675 Abandoned CA2323675A1 (fr) 1999-10-21 2000-10-17 Detecteur de gaz a cellule

Country Status (3)

Country Link
CA (1) CA2323675A1 (fr)
DE (1) DE10051691A1 (fr)
GB (1) GB2358245A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372099B (en) * 2001-02-08 2003-11-05 Status Scient Controls Ltd Gas sensor
GB2392721A (en) * 2002-09-03 2004-03-10 E2V Tech Uk Ltd Gas sensors
CN1299103C (zh) * 2005-03-04 2007-02-07 云南大学 呼气末二氧化碳监测测量的采样装置
DE102006048839B4 (de) * 2006-10-16 2010-01-07 Eads Deutschland Gmbh Photoakustische Gassensor-Vorrichtung mit mehreren Messzellen
DE102007014520B3 (de) * 2007-03-27 2008-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Photoakustischer Detektor mit zwei Strahlengängen für das Anregungslicht
DE102008059390B3 (de) * 2008-11-27 2010-05-12 Miopas Gmbh Sensor
US8077317B2 (en) * 2009-04-09 2011-12-13 Kidde Technologies, Inc. Sensor head for a dry powder agent
DE102010030549B4 (de) 2010-06-25 2016-04-28 Siemens Aktiengesellschaft Nichtdispersiver Gasanalysator
US8322191B2 (en) * 2010-06-30 2012-12-04 Honeywell International Inc. Enhanced cavity for a photoacoustic gas sensor
SE537488C2 (sv) * 2011-07-20 2015-05-19 Logico2 Online Sarl Anordning för detektering av och varning för gasläckage.
WO2016141155A1 (fr) 2015-03-05 2016-09-09 Honeywell International Inc. Utilisation de types de verre et d'épaisseurs de verre choisis dans le chemin optique pour éliminer la sensibilité croisée à des pics d'absorption d'eau
DE102015106373B4 (de) 2015-04-24 2023-03-02 Infineon Technologies Ag Photoakustisches gassensormodul mit lichtemittereinheit und einer detektoreinheit
US10458900B2 (en) 2015-09-10 2019-10-29 Honeywell International Inc. Gas detector with normalized response and improved sensitivity
EP3359933A1 (fr) 2015-10-09 2018-08-15 Honeywell International Inc. Détecteur de rayonnement électromagnétique utilisant une cellule de golay plate
EP4191232A1 (fr) 2019-08-22 2023-06-07 Infineon Technologies AG Cellule de détection pour un capteur de gaz photoacoustique et capteur de gaz photoacoustique
CN114333251B (zh) * 2021-12-29 2023-06-20 成都中科慧源科技有限公司 一种智能报警器、方法、系统、设备和存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725702A (en) * 1969-01-29 1973-04-03 Hartmann & Braun Ag Infrared gas analyzer
DE2808033A1 (de) * 1978-02-24 1979-08-30 Siemens Ag Einrichtung zur unterdrueckung der wasserdampf-querempfindlichkeit bei einem nicht dispersiven infrarot-gasanalysator
JPS62126329A (ja) * 1985-11-27 1987-06-08 Horiba Ltd 吸光分析計

Also Published As

Publication number Publication date
DE10051691A1 (de) 2001-06-07
GB2358245A (en) 2001-07-18
GB0025434D0 (en) 2000-11-29

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Legal Events

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