ATE149682T1 - Verfahren und vorrichtung zur optischen ferndetektion eines sich in einem beobachteten raumgebiet befindenden gases - Google Patents

Verfahren und vorrichtung zur optischen ferndetektion eines sich in einem beobachteten raumgebiet befindenden gases

Info

Publication number
ATE149682T1
ATE149682T1 AT91403281T AT91403281T ATE149682T1 AT E149682 T1 ATE149682 T1 AT E149682T1 AT 91403281 T AT91403281 T AT 91403281T AT 91403281 T AT91403281 T AT 91403281T AT E149682 T1 ATE149682 T1 AT E149682T1
Authority
AT
Austria
Prior art keywords
optical detection
space area
remote optical
gas located
filters
Prior art date
Application number
AT91403281T
Other languages
English (en)
Inventor
Jean-Claude Noack
Yves Guern
Gerard Pelous
Original Assignee
Bertin & Cie
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 Bertin & Cie filed Critical Bertin & Cie
Application granted granted Critical
Publication of ATE149682T1 publication Critical patent/ATE149682T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/38Investigating fluid-tightness of structures by using light
    • 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
    • G01N2021/1765Method using an image detector and processing of image signal
    • G01N2021/177Detector of the video camera type
    • 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
    • G01N2021/1793Remote sensing
    • 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
    • G01N2021/3129Determining multicomponents by multiwavelength light
    • 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
    • G01N21/314Investigating 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
    • G01N2021/3181Investigating 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 LEDs
    • 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
    • G01N2021/3531Investigating 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 without instrumental source, i.e. radiometric

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
AT91403281T 1991-12-04 1991-12-04 Verfahren und vorrichtung zur optischen ferndetektion eines sich in einem beobachteten raumgebiet befindenden gases ATE149682T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91403281A EP0544962B1 (de) 1991-12-04 1991-12-04 Verfahren und Vorrichtung zur optischen Ferndetektion eines sich in einem beobachteten Raumgebiet befindenden Gases

Publications (1)

Publication Number Publication Date
ATE149682T1 true ATE149682T1 (de) 1997-03-15

Family

ID=8208646

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91403281T ATE149682T1 (de) 1991-12-04 1991-12-04 Verfahren und vorrichtung zur optischen ferndetektion eines sich in einem beobachteten raumgebiet befindenden gases

Country Status (4)

Country Link
US (1) US5306913A (de)
EP (1) EP0544962B1 (de)
AT (1) ATE149682T1 (de)
DE (1) DE69125011T2 (de)

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FR2727215B1 (fr) 1994-11-18 1996-12-20 Thomson Csf Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples
US5656813A (en) * 1995-04-04 1997-08-12 Gmd Systems, Inc. Apparatus for imaging gas
US5726450A (en) 1996-10-26 1998-03-10 Envirotest Systems Corp. Unmanned integrated optical remote emissions sensor (RES) for motor vehicles
DE19730504C2 (de) * 1997-07-16 1999-09-02 Fraunhofer Ges Forschung Verfahren und Meßanordnung zur Erfassung der Partikelemission einer diffusen Quelle
US6008928A (en) * 1997-12-08 1999-12-28 The United States As Represented By The Administrator Of The National Aeronautics And Space Administration Multi-gas sensor
US6574031B1 (en) 1997-12-08 2003-06-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for balancing detector output to a desired level of balance at a frequency
US6057923A (en) 1998-04-20 2000-05-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Optical path switching based differential absorption radiometry for substance detection
EP1137925B1 (de) 1998-09-17 2006-11-08 Envirotest Systems Corp. EMISSIONS-FERN-DETEKTORSYSTEM MIT VERBESSERTEM NACHWEIS VON NOx
US6723989B1 (en) 1998-09-17 2004-04-20 Envirotest Systems Corporation Remote emissions sensing system and method with a composite beam of IR and UV radiation that is not split for detection
WO2000026641A1 (en) 1998-10-30 2000-05-11 Envirotest Systems, Inc. Multilane remote sensing detector
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US6766259B2 (en) * 2002-07-29 2004-07-20 Baxter International Inc. System and a method for detecting fiber damage in a dialyzer
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US20070074035A1 (en) * 2005-09-29 2007-03-29 Tom Scanlon Secure recordation for inspection systems and methods
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FR2914064B1 (fr) * 2007-03-22 2009-06-05 Bertin Technologies Soc Par Ac Dispositif de detection optique de gaz a distance
US8548271B2 (en) * 2008-01-08 2013-10-01 Opgal Optronic Industries Ltd. System and method for gas leakage detection
FR2960640A1 (fr) 2010-06-01 2011-12-02 Gaztransp Et Technigaz Epreuve d'etancheite d'un reservoir par rapport a un gaz presentant une signature infrarouge
TWI471827B (zh) * 2011-12-13 2015-02-01 Univ Kun Shan A method and apparatus for monitoring spontaneous combustion gas leakage
FR2998371B1 (fr) 2012-11-22 2015-01-16 Bertin Technologies Sa Dispositif de detection optique de gaz a distance
ES2478698B1 (es) * 2012-12-21 2015-04-28 Universidad Carlos Iii De Madrid Método y dispositivo para la detección y medida de la concentración de gases.
EP3158321A1 (de) 2014-06-23 2017-04-26 Exxonmobil Upstream Research Company Systeme zum detektieren einer chemischer spezies und verwendung davon
US9442011B2 (en) 2014-06-23 2016-09-13 Exxonmobil Upstream Research Company Methods for calibrating a multiple detector system
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WO2016139261A1 (en) * 2015-03-02 2016-09-09 Flir Systems Ab Wavelength band based passive infrared gas imaging
EP3298365B1 (de) 2015-05-22 2019-05-01 IRnova AB Infrarot-bildgebungsdetektor
FR3042038B1 (fr) 2015-10-01 2017-12-08 Commissariat Energie Atomique Procede d'optimisation de longueurs d'onde de detection pour une detection multi-gaz
WO2017073427A1 (ja) 2015-10-29 2017-05-04 コニカミノルタ株式会社 漏洩ガス検出装置および漏洩ガス検出方法
EP3392635B1 (de) * 2015-12-15 2022-06-08 Konica Minolta, Inc. Bildverarbeitungsvorrichtung zur gasdetektion, bildverarbeitungsverfahren zur gasdetektion, bildverarbeitungsprogramm zur gasdetektion, computerlesbares aufzeichnungsmedium mit darauf aufgezeichnetem bildverarbeitungsprogramm zur gasdetektion und gasdetektionssystem
US10488355B2 (en) 2015-12-15 2019-11-26 Konica Minolta, Inc. Gas concentration-thickness product measurement device, gas concentration-thickness product measurement method, and computer-readable recording medium having gas concentration-thickness product measurement program recorded thereon
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EP3646007B1 (de) * 2018-06-21 2023-08-09 Opgal Optronic Industries Ltd. Verfahren zur klassifizierung von alkanen in einem gasleck
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Also Published As

Publication number Publication date
DE69125011D1 (de) 1997-04-10
EP0544962A1 (de) 1993-06-09
US5306913A (en) 1994-04-26
DE69125011T2 (de) 1997-09-25
EP0544962B1 (de) 1997-03-05

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