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 gasesInfo
- 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
Links
- 230000003287 optical effect Effects 0.000 title abstract 4
- 238000001514 detection method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000011835 investigation Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
-
- 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
- G01N2021/1765—Method using an image detector and processing of image signal
- G01N2021/177—Detector of the video camera type
-
- 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
- G01N2021/3129—Determining multicomponents by multiwavelength light
-
- 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
- G01N2021/3181—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 LEDs
-
- 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
- G01N2021/3531—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 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)
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) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5430293A (en) * | 1991-10-08 | 1995-07-04 | Osaka Gas Co., Ltd. | Gas visualizing apparatus and method for detecting gas leakage from tanks or piping |
CA2129509A1 (en) * | 1993-09-10 | 1995-03-11 | Kazumi Ogata | Pharmaceutical composition for renal disorder and a dialysis solution for extracorporeal hemodialysis |
US5568186A (en) * | 1993-11-15 | 1996-10-22 | The United States Of America As Represented By The Secretary Of The Army | Focal plane filtered multispectral multidetector imager |
FR2716009B1 (fr) * | 1994-02-08 | 1996-05-03 | Bertin & Cie | Procédé de réalisation d'un filtre optique à réjection de bandes dans l'infrarouge et filtre optique obtenu par ce procédé. |
CH688387A5 (de) * | 1994-07-18 | 1997-08-29 | Landis & Gyr Tech Innovat | Einrichtung zur Regelung der Luftqualitaet in einem Raum. |
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 |
EP1151276A4 (de) * | 1998-12-11 | 2003-07-23 | Envirotest Systems Inc | Vorrichtung zur messung der opazität von abgasen |
WO2000042415A1 (en) * | 1999-01-12 | 2000-07-20 | Envirotest Systems Corp. | Remote vehicle emission sensing device with single detector |
WO2001048456A1 (en) * | 1999-12-29 | 2001-07-05 | Environmental Systems Products, Inc. | System and method for remote analysis of small engine vehicle emissions |
FR2832799B1 (fr) * | 2001-11-23 | 2006-11-03 | Bertin Technologies Sa | Procedure de detection optique de gaz a distance |
US6866089B2 (en) * | 2002-07-02 | 2005-03-15 | Carrier Corporation | Leak detection with thermal imaging |
US20040016700A1 (en) * | 2002-07-23 | 2004-01-29 | Benjamin Kellam | System and a method for determining integrity of a dialyzer |
US6766259B2 (en) * | 2002-07-29 | 2004-07-20 | Baxter International Inc. | System and a method for detecting fiber damage in a dialyzer |
US7048384B2 (en) * | 2003-01-24 | 2006-05-23 | Honeywell International Inc. | Multiple scene projection system |
JP2007515621A (ja) * | 2003-06-11 | 2007-06-14 | フリー ブラザーズ エルエルシィ | 赤外線カメラ・システムを用いて検査を実施する及び化学物質漏出を検出するためのシステム及び方法 |
DE102004028433B4 (de) * | 2004-06-14 | 2006-08-31 | Danfoss A/S | IR-Sensor, insbesondere CO2-Sensor |
US20070074035A1 (en) * | 2005-09-29 | 2007-03-29 | Tom Scanlon | Secure recordation for inspection systems and methods |
US7851758B1 (en) | 2005-09-29 | 2010-12-14 | Flir Systems, Inc. | Portable multi-function inspection systems and methods |
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 |
EP3158320B1 (de) | 2014-06-23 | 2018-07-25 | Exxonmobil Upstream Research Company | Verfahren und systeme für den nachweis einer chemischen spezies |
WO2015199912A1 (en) | 2014-06-23 | 2015-12-30 | Exxonmobil Upstream Research Company | Image quality enhancement of a differential image for a multiple detector system |
EP3229005B1 (de) * | 2014-12-01 | 2022-04-20 | Konica Minolta, Inc. | Optische detektionsvorrichtung |
FR3030041B1 (fr) | 2014-12-12 | 2017-12-22 | Bertin Technologies Sa | Dispositif de filtrage optique pour la detection de gaz |
US11249016B2 (en) | 2015-03-02 | 2022-02-15 | Flir Systems Ab | Wavelength band based passive infrared gas imaging |
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 |
US10197470B2 (en) | 2016-05-18 | 2019-02-05 | MultiSensor Scientific, Inc. | Hydrocarbon leak imaging and quantification sensor |
US10895529B2 (en) | 2017-01-26 | 2021-01-19 | Nec Corporation | Detecting system and detecting method |
CN110392824B (zh) | 2017-03-16 | 2022-02-22 | 多传感器科学公司 | 用于气体安全和排放物监测的扫描ir传感器 |
US10371627B2 (en) | 2017-11-16 | 2019-08-06 | MultiSensor Scientific, Inc. | Systems and methods for multispectral imaging and gas detection using a scanning illuminator and optical sensor |
EP3646007B1 (de) * | 2018-06-21 | 2023-08-09 | Opgal Optronic Industries Ltd. | Verfahren zur klassifizierung von alkanen in einem gasleck |
US10976245B2 (en) | 2019-01-25 | 2021-04-13 | MultiSensor Scientific, Inc. | Systems and methods for leak monitoring via measurement of optical absorption using tailored reflector installments |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4390785A (en) * | 1980-12-29 | 1983-06-28 | E. I. Du Pont De Nemours & Co. | Method and apparatus for remotely detecting gases in the atmosphere |
US4725733A (en) * | 1983-07-18 | 1988-02-16 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for remotely detecting the presence of chemical warfare nerve agents in an air-released thermal cloud |
GB8515519D0 (en) * | 1985-06-19 | 1985-07-24 | Graviner Ltd | Gas detection |
US5016985A (en) * | 1988-06-24 | 1991-05-21 | Kaiser Aerospace & Electronics Corporation | Infrared filter using cholesteric liquids |
US5026992A (en) * | 1989-09-06 | 1991-06-25 | Gaztech Corporation | Spectral ratioing technique for NDIR gas analysis using a differential temperature source |
US5001346A (en) * | 1990-02-26 | 1991-03-19 | Rockwell International Corporation | Leak detection system with background compensation |
-
1991
- 1991-12-04 AT AT91403281T patent/ATE149682T1/de not_active IP Right Cessation
- 1991-12-04 DE DE69125011T patent/DE69125011T2/de not_active Expired - Lifetime
- 1991-12-04 EP EP91403281A patent/EP0544962B1/de not_active Expired - Lifetime
-
1992
- 1992-12-03 US US07/985,640 patent/US5306913A/en not_active Expired - Lifetime
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |