TW200718934A - Apparatus for sensing plural gases - Google Patents

Apparatus for sensing plural gases

Info

Publication number
TW200718934A
TW200718934A TW094139552A TW94139552A TW200718934A TW 200718934 A TW200718934 A TW 200718934A TW 094139552 A TW094139552 A TW 094139552A TW 94139552 A TW94139552 A TW 94139552A TW 200718934 A TW200718934 A TW 200718934A
Authority
TW
Taiwan
Prior art keywords
sensing
monitoring
safety
optical path
gas sensor
Prior art date
Application number
TW094139552A
Other languages
English (en)
Other versions
TWI291021B (en
Inventor
Ming-Lang Tsai
Jin-Sheng Chang
Yii-Tay Chiou
Chun-Hsun Chu
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Priority to TW094139552A priority Critical patent/TWI291021B/zh
Priority to US11/324,481 priority patent/US7508519B2/en
Publication of TW200718934A publication Critical patent/TW200718934A/zh
Application granted granted Critical
Publication of TWI291021B publication Critical patent/TWI291021B/zh

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
    • G01N21/27—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
    • G01N2021/317—Special constructive features
    • 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
    • G01N2201/08—Optical fibres; light guides
    • 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
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/082—Fibres for a reference path
    • 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
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/0873—Using optically integrated constructions

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
TW094139552A 2005-11-11 2005-11-11 Apparatus for sensing plural gases TWI291021B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW094139552A TWI291021B (en) 2005-11-11 2005-11-11 Apparatus for sensing plural gases
US11/324,481 US7508519B2 (en) 2005-11-11 2006-01-04 Apparatus for sensing plural gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094139552A TWI291021B (en) 2005-11-11 2005-11-11 Apparatus for sensing plural gases

Publications (2)

Publication Number Publication Date
TW200718934A true TW200718934A (en) 2007-05-16
TWI291021B TWI291021B (en) 2007-12-11

Family

ID=38086545

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094139552A TWI291021B (en) 2005-11-11 2005-11-11 Apparatus for sensing plural gases

Country Status (2)

Country Link
US (1) US7508519B2 (zh)
TW (1) TWI291021B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201000756D0 (en) * 2010-01-18 2010-03-03 Gas Sensing Solutions Ltd Gas sensor with radiation guide
FR2974423B1 (fr) 2011-04-19 2013-12-27 Commissariat Energie Atomique Dispositif d'emission et de guidage d'un rayonnement infrarouge.
DE102012007561B4 (de) * 2012-04-14 2014-07-10 Dräger Safety AG & Co. KGaA Gasdetektorsystem
DE102014111093A1 (de) * 2014-08-05 2016-02-11 Valeo Schalter Und Sensoren Gmbh Sensorvorrichtung zum Bestimmen einer Konzentration eines Fluids, Fahrerassistenzsystem, Kraftfahrzeug sowie Verfahren
CN109211906B (zh) * 2018-10-19 2021-02-02 清华大学合肥公共安全研究院 一种气体成分检测装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039536A (ja) * 1983-08-12 1985-03-01 Hochiki Corp ガスセンサ
DE3525755C1 (de) * 1985-07-19 1986-08-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Sensor zum Erfassen der Trübung in einem Gasvolumen, insbesondere der Trübung durch Ruß im Abgassystem eines Dieselmotors
FI95322C (fi) * 1994-03-02 1996-01-10 Instrumentarium Oy Spektroskooppinen mittausanturi väliaineiden analysointiin
DE4434814A1 (de) * 1994-09-29 1996-04-04 Microparts Gmbh Infrarotspektrometrischer Sensor für Gase
JPH10239235A (ja) * 1997-02-26 1998-09-11 Fuji Electric Co Ltd 赤外線ガス分析計
US6067840A (en) * 1997-08-04 2000-05-30 Texas Instruments Incorporated Method and apparatus for infrared sensing of gas
DE19835335C1 (de) * 1998-08-05 1999-11-25 Draeger Sicherheitstech Gmbh Infrarotoptischer Gassensor
US6469303B1 (en) * 2000-05-17 2002-10-22 Rae Systems, Inc. Non-dispersive infrared gas sensor
US6887359B2 (en) * 2001-06-08 2005-05-03 The Regents Of The University Of California Chemical micro-sensor
TW587165B (en) 2003-08-27 2004-05-11 Ind Tech Res Inst Gas sensor and the manufacturing method thereof

Also Published As

Publication number Publication date
TWI291021B (en) 2007-12-11
US7508519B2 (en) 2009-03-24
US20070120057A1 (en) 2007-05-31

Similar Documents

Publication Publication Date Title
CL2007002566A1 (es) Metodo para monitorear reaccion de polimerizacion y determinar t de iniciacion de fusion que comprende medir parametro de reaccion (t y/o propiedad de resina y/o concentracion de gas diluyente en reactor), determinar t de iniciacion de fusion seca y
WO2006093935A3 (en) Apparatus and process for leak-testing and qualification of fluid dispensing vessels
MX2009009771A (es) Metodo de monitoreo y/o determinacion de la condicion de dispositivo de medicion de fuerza, y dispositivo de medicion de fuerza.
WO2009032205A3 (en) Carbon measurement in aqueous samples using oxidation at elevated temperatures and pressures
TW200942619A (en) Apparatus and method for electrochemical detection
ATE422304T1 (de) Funktionelles bekleidungsstück, insbesondere abc- schutzbekleidung, mit integrierter messeinrichtung
TW200718934A (en) Apparatus for sensing plural gases
WO2007118822A3 (de) Verfahren und vorrichtung zur bestimmung der dichtigkeit eines prüfobjekts
MX2009006159A (es) Elemento de prueba con referencia.
ATE539811T1 (de) Steuerungen eines filtrationssystems
ATE520986T1 (de) Proteasenachweis
DE602006008297D1 (de) Brand- oder rauchmelder mit hochleistungs-fehlalarmunterdrückung
WO2007120996A3 (en) Method and apparatus for compact spectrometer for detecting hazardous agents
ATE508354T1 (de) Verfahren und vorrichtung zur kontinuierlichen überwachung von interstitiellen bereichen in kraftstofflagereinrichtungen und pipelines
WO2008055082A3 (en) Polyaniline nanofiber hydrogen sensors
DE602007010329D1 (de) Vorrichtung und verfahren zur umgebungsüberwachung
FR2869109B1 (fr) Detecteur de gaz a sensibilite de mesure accrue
ATE514787T1 (de) Nachweis von proteasen
EA201201363A1 (ru) Датчик ионов для текучей среды и способ его изготовления
GB2422658A (en) A method of flushing gas into an out of a sealable enclosure
ATE454418T1 (de) Chemische sensoren, die anilinpolysiloxane als empfindliche substanzen enthalten, und ihre verwendung zum nachweis und zur quantitativen analyse von nitroverbindungen
IN2014DN07535A (zh)
SE0700589L (sv) Apparat och metod att synliggöra luftströmmar, samt att funktionstesta detektorer
MX2012006706A (es) Deteccion de la descomposicion de las enzimas en un elemento de prueba mediante la liberacion controlada de analito protegido.
JP2009533676A5 (zh)

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees