FR3077640B1 - Procede d'analyse d'un gaz par une double illumination - Google Patents

Procede d'analyse d'un gaz par une double illumination Download PDF

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Publication number
FR3077640B1
FR3077640B1 FR1850956A FR1850956A FR3077640B1 FR 3077640 B1 FR3077640 B1 FR 3077640B1 FR 1850956 A FR1850956 A FR 1850956A FR 1850956 A FR1850956 A FR 1850956A FR 3077640 B1 FR3077640 B1 FR 3077640B1
Authority
FR
France
Prior art keywords
measurement
gas
light wave
light source
photodetector
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.)
Expired - Fee Related
Application number
FR1850956A
Other languages
English (en)
French (fr)
Other versions
FR3077640A1 (fr
Inventor
Thanh Trung Le
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.)
Elichens
Original Assignee
Elichens
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 Elichens filed Critical Elichens
Priority to FR1850956A priority Critical patent/FR3077640B1/fr
Priority to EP19707861.1A priority patent/EP3749948B1/fr
Priority to CN201980011321.2A priority patent/CN111670354B/zh
Priority to US16/967,209 priority patent/US11448590B2/en
Priority to JP2020542309A priority patent/JP7381475B2/ja
Priority to PCT/FR2019/050230 priority patent/WO2019150053A1/fr
Publication of FR3077640A1 publication Critical patent/FR3077640A1/fr
Application granted granted Critical
Publication of FR3077640B1 publication Critical patent/FR3077640B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/427—Dual wavelengths spectrometry
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3166—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using separate detectors and filters
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/317—Special constructive features
    • G01N2021/3177—Use of spatially separated filters in simultaneous way
    • 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
    • G01N2021/3196—Correlating located peaks in spectrum with reference data, e.g. fingerprint data
    • 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
    • G01N21/59—Transmissivity
    • G01N21/61—Non-dispersive gas analysers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR1850956A 2018-02-05 2018-02-05 Procede d'analyse d'un gaz par une double illumination Expired - Fee Related FR3077640B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1850956A FR3077640B1 (fr) 2018-02-05 2018-02-05 Procede d'analyse d'un gaz par une double illumination
EP19707861.1A EP3749948B1 (fr) 2018-02-05 2019-02-01 Procédé et dispositif d'analyse d'un gaz par une double illumination
CN201980011321.2A CN111670354B (zh) 2018-02-05 2019-02-01 通过双重照明分析气体的方法
US16/967,209 US11448590B2 (en) 2018-02-05 2019-02-01 Method for analysing a gas by means of double illumination
JP2020542309A JP7381475B2 (ja) 2018-02-05 2019-02-01 二重照光によるガスの分析方法
PCT/FR2019/050230 WO2019150053A1 (fr) 2018-02-05 2019-02-01 Procédé d'analyse d'un gaz par une double illumination

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1850956 2018-02-05
FR1850956A FR3077640B1 (fr) 2018-02-05 2018-02-05 Procede d'analyse d'un gaz par une double illumination

Publications (2)

Publication Number Publication Date
FR3077640A1 FR3077640A1 (fr) 2019-08-09
FR3077640B1 true FR3077640B1 (fr) 2023-06-30

Family

ID=62067698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1850956A Expired - Fee Related FR3077640B1 (fr) 2018-02-05 2018-02-05 Procede d'analyse d'un gaz par une double illumination

Country Status (6)

Country Link
US (1) US11448590B2 (enExample)
EP (1) EP3749948B1 (enExample)
JP (1) JP7381475B2 (enExample)
CN (1) CN111670354B (enExample)
FR (1) FR3077640B1 (enExample)
WO (1) WO2019150053A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12510485B2 (en) * 2021-03-10 2025-12-30 Arcelormittal System and method for determining the chemical composition of liquid metallurgical products
CN116046708A (zh) * 2022-11-22 2023-05-02 江西江投电力技术与试验研究有限公司 一种基于ndir原理的二氧化碳传感装置及其控制方法

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DE3508027A1 (de) * 1985-03-07 1986-09-11 Franz-Rudolf Dipl.-Phys. Dr. 5106 Roetgen Block Verfahren und einrichtung zum ermitteln der konzentration oder der massenanteile bestimmter gase in gasmischungen
IL90744A (en) * 1989-06-25 1992-07-15 Spegas Ind Ltd Method and apparatus for gas analysis
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FI96993C (fi) * 1992-01-30 1996-09-25 Vaisala Oy Kalibrointimenetelmä kaasujen pitoisuuden mittausta varten
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EP1850116B1 (en) * 2006-04-27 2013-09-18 Axetris AG Gas detection method
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Also Published As

Publication number Publication date
EP3749948B1 (fr) 2023-06-07
WO2019150053A1 (fr) 2019-08-08
JP7381475B2 (ja) 2023-11-15
US20200363328A1 (en) 2020-11-19
JP2021512328A (ja) 2021-05-13
EP3749948A1 (fr) 2020-12-16
US11448590B2 (en) 2022-09-20
FR3077640A1 (fr) 2019-08-09
CN111670354A (zh) 2020-09-15
CN111670354B (zh) 2024-01-23

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