DK1549932T3 - Fremgangsmåde og apparat til gasdetektering - Google Patents

Fremgangsmåde og apparat til gasdetektering

Info

Publication number
DK1549932T3
DK1549932T3 DK04763664T DK04763664T DK1549932T3 DK 1549932 T3 DK1549932 T3 DK 1549932T3 DK 04763664 T DK04763664 T DK 04763664T DK 04763664 T DK04763664 T DK 04763664T DK 1549932 T3 DK1549932 T3 DK 1549932T3
Authority
DK
Denmark
Prior art keywords
sensor
source
detection
derivator
electronic
Prior art date
Application number
DK04763664T
Other languages
Danish (da)
English (en)
Inventor
Bert Willing
Markus Kohli
Andreas Seifert
Original Assignee
Ir Microsystems S A
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 Ir Microsystems S A filed Critical Ir Microsystems S A
Application granted granted Critical
Publication of DK1549932T3 publication Critical patent/DK1549932T3/da

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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating 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
    • 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
    • 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
    • G01N2021/3129—Determining multicomponents by multiwavelength light
    • G01N2021/3133—Determining multicomponents by multiwavelength light with selection of wavelengths before the sample
    • 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
    • G01N2021/3185—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry typically monochromatic or band-limited
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0691—Modulated (not pulsed supply)

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)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
DK04763664T 2003-09-12 2004-07-30 Fremgangsmåde og apparat til gasdetektering DK1549932T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50228203P 2003-09-12 2003-09-12

Publications (1)

Publication Number Publication Date
DK1549932T3 true DK1549932T3 (da) 2006-06-06

Family

ID=34312370

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04763664T DK1549932T3 (da) 2003-09-12 2004-07-30 Fremgangsmåde og apparat til gasdetektering

Country Status (12)

Country Link
US (1) US7180595B2 (zh)
EP (1) EP1549932B1 (zh)
JP (1) JP2007504449A (zh)
KR (1) KR100778197B1 (zh)
CN (1) CN100559160C (zh)
AT (1) ATE317115T1 (zh)
CA (1) CA2538554A1 (zh)
DE (1) DE602004000374T2 (zh)
DK (1) DK1549932T3 (zh)
ES (1) ES2256834T3 (zh)
PL (1) PL1549932T3 (zh)
WO (1) WO2005026705A1 (zh)

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US9459209B2 (en) * 2012-06-04 2016-10-04 Shimadzu Corporation Gas analysis device
DE102012215594B3 (de) * 2012-09-03 2013-08-01 Sick Ag Verfahren zur Laserspektroskopie von Gasen
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GB201513313D0 (en) * 2015-07-28 2015-09-09 Gas Measurement Instr Ltd Gas detection apparatus and method
CN105388125A (zh) * 2015-10-30 2016-03-09 苏州优康通信设备有限公司 一氧化碳浓度的光学检测系统
US10895529B2 (en) 2017-01-26 2021-01-19 Nec Corporation Detecting system and detecting method
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CN109883980A (zh) * 2019-03-29 2019-06-14 安徽延达智能科技有限公司 一种可以同时测甲烷、一氧化碳的本安传感器
KR102330480B1 (ko) * 2019-09-20 2021-11-24 플람 주식회사 세정장비 모니터링 장치
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CN112304885B (zh) * 2020-10-29 2023-06-13 山东省科学院激光研究所 一种基于vcsel的自适应多谱线co检测系统及方法
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Also Published As

Publication number Publication date
DE602004000374D1 (de) 2006-04-13
ES2256834T3 (es) 2006-07-16
US7180595B2 (en) 2007-02-20
KR100778197B1 (ko) 2007-11-22
PL1549932T3 (pl) 2006-06-30
JP2007504449A (ja) 2007-03-01
CN100559160C (zh) 2009-11-11
ATE317115T1 (de) 2006-02-15
WO2005026705A1 (en) 2005-03-24
KR20060061371A (ko) 2006-06-07
EP1549932A1 (en) 2005-07-06
DE602004000374T2 (de) 2006-09-28
EP1549932B1 (en) 2006-02-01
US20060098202A1 (en) 2006-05-11
CN1849507A (zh) 2006-10-18
CA2538554A1 (en) 2005-03-24

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