DE69738627D1 - Gasdetektor - Google Patents

Gasdetektor

Info

Publication number
DE69738627D1
DE69738627D1 DE69738627T DE69738627T DE69738627D1 DE 69738627 D1 DE69738627 D1 DE 69738627D1 DE 69738627 T DE69738627 T DE 69738627T DE 69738627 T DE69738627 T DE 69738627T DE 69738627 D1 DE69738627 D1 DE 69738627D1
Authority
DE
Germany
Prior art keywords
wall
light
parts
cavity
reflecting
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 - Lifetime
Application number
DE69738627T
Other languages
English (en)
Other versions
DE69738627T2 (de
Inventor
Hans Goeran Evald Martin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69738627D1 publication Critical patent/DE69738627D1/de
Application granted granted Critical
Publication of DE69738627T2 publication Critical patent/DE69738627T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes

Landscapes

  • Physics & Mathematics (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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
DE69738627T 1996-08-28 1997-08-20 Gasdetektor Expired - Lifetime DE69738627T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9603109 1996-08-28
SE9603109A SE506942C2 (sv) 1996-08-28 1996-08-28 Gassensor
PCT/SE1997/001366 WO1998009152A1 (en) 1996-08-28 1997-08-20 Gas sensor

Publications (2)

Publication Number Publication Date
DE69738627D1 true DE69738627D1 (de) 2008-05-21
DE69738627T2 DE69738627T2 (de) 2009-05-28

Family

ID=20403674

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738627T Expired - Lifetime DE69738627T2 (de) 1996-08-28 1997-08-20 Gasdetektor

Country Status (10)

Country Link
US (1) US6194735B1 (de)
EP (1) EP0963547B1 (de)
JP (1) JP3990733B2 (de)
CN (1) CN1107862C (de)
AT (1) ATE391905T1 (de)
AU (1) AU719720B2 (de)
CA (1) CA2262740C (de)
DE (1) DE69738627T2 (de)
SE (1) SE506942C2 (de)
WO (1) WO1998009152A1 (de)

Families Citing this family (50)

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SE522941C2 (sv) * 2000-04-26 2004-03-16 Senseair Ab Gascell
SE520664C2 (sv) 2000-04-27 2003-08-05 Senseair Ab Koldioxidanpassad gascell
GB2389177B (en) * 2002-05-31 2006-03-15 Marconi Applied Techn Ltd Gas sensors
JP3922543B2 (ja) * 2002-06-05 2007-05-30 ソニー株式会社 撮像装置、および画像表示装置
SE524900C2 (sv) * 2002-07-22 2004-10-19 Senseair Ab Gasanalyserande arrangemang
GB2395259A (en) * 2002-11-07 2004-05-19 E2V Tech Uk Ltd Gas sensor with predetermined optical paths between its different detectors
SE524663C2 (sv) * 2003-01-15 2004-09-14 Senseair Ab Gascell, ingående i gassensor för spektralanalys
KR100494103B1 (ko) * 2003-12-12 2005-06-10 (주)이엘티 광학적 가스 센서
EP1695066A4 (de) 2003-12-12 2010-02-17 Elt Inc Gassensor
DE102004007946A1 (de) * 2004-02-18 2005-09-15 Tyco Electronics Raychem Gmbh Gassensoranordnung in integrierter Bauweise
US20090284745A1 (en) * 2004-10-18 2009-11-19 Seung-Hwan Yi Gas cell using two parabolic concave mirrors and method of producing gas sensor using the same
KR100576541B1 (ko) * 2005-06-16 2006-05-03 (주) 인바이런먼트 리딩 테크놀러지 비분산 적외선 가스 센서를 위한 광 공동
DE102005055860B3 (de) * 2005-11-23 2007-05-10 Tyco Electronics Raychem Gmbh Gassensoranordnung mit Lichtkanal in Gestalt eines Kegelschnittrotationskörpers
WO2008067282A2 (en) * 2006-11-27 2008-06-05 Nano-Proprietary, Inc. Sono-photonic gas sensor
JP4928244B2 (ja) * 2006-12-11 2012-05-09 理研計器株式会社 赤外線式ガス検知器
JP4879005B2 (ja) * 2006-12-11 2012-02-15 理研計器株式会社 赤外線式ガス検知器
DE102008009100B4 (de) * 2008-02-14 2010-05-12 GFG Gesellschaft für Gerätebau mbH Optisches Analysegerät
SE0802069A1 (sv) 2008-09-30 2010-03-31 Senseair Ab Ett för en spektralanalys av höga gaskoncentrationer anpassat arrangemang
SE535267C2 (sv) * 2009-10-26 2012-06-12 Senseair Ab En till en spektralanalys anpassad mätcell
EP2573546A4 (de) * 2010-05-21 2016-03-09 Nat Inst Of Advanced Ind Scien Gassensor
TW201200858A (en) * 2010-06-28 2012-01-01 Unimems Mfg Co Ltd A photoelectric gas sensor device and manufacturing method therefor
CN102338737A (zh) * 2010-07-21 2012-02-01 友丽系统制造股份有限公司 光电式气体感测装置及其制造方法
US8785857B2 (en) * 2011-09-23 2014-07-22 Msa Technology, Llc Infrared sensor with multiple sources for gas measurement
FR2982026B1 (fr) * 2011-11-02 2014-05-16 Ethylo Cuve d'analyse et dispositif d'analyse d'un fluide
WO2014113287A1 (en) 2013-01-17 2014-07-24 Detector Electronics Corporation Open path gas detector
KR101581341B1 (ko) * 2014-02-03 2015-12-31 한국교통대학교산학협력단 복수의 독립된 광 경로를 갖는 광 도파관 및 그를 이용한 광학적 가스센서
FR3022999B1 (fr) * 2014-06-27 2017-06-16 Schneider Electric Ind Sas Chambre optique pour dispositif de detection de gaz
EP2960642A1 (de) * 2014-06-26 2015-12-30 Schneider Electric Industries SAS Optische kammer für gaserfassungsvorrichtung
US9759652B2 (en) 2015-02-28 2017-09-12 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Quantum dot light emitting diodes for multiplex gas sensing
CN107356546A (zh) * 2016-05-10 2017-11-17 热映光电股份有限公司 气体测量装置
US20190323939A1 (en) * 2016-06-22 2019-10-24 Kyocera Corporation Fine particle counter
CN106442354B (zh) * 2016-09-29 2020-12-11 湖北航天技术研究院总体设计所 一种气体检测装置
US10161859B2 (en) 2016-10-27 2018-12-25 Honeywell International Inc. Planar reflective ring
CN106841038B (zh) * 2017-03-23 2023-05-12 华东师范大学 一种基于椭球结构的气体光谱测试装置
US10866185B2 (en) * 2017-05-30 2020-12-15 Analog Devices, Inc. Compact optical gas detection system and apparatus
CN109283152A (zh) * 2017-07-19 2019-01-29 热映光电股份有限公司 气体测量装置
FR3069334B1 (fr) * 2017-07-21 2019-10-18 Commissariat A L'energie Atomique Et Aux Energies Alternatives Cavite optique a forte dynamique
FR3072775B1 (fr) * 2017-10-23 2019-09-27 Elichens Detecteur de gaz compact
KR102103767B1 (ko) * 2018-03-16 2020-04-24 제네랄옵틱스 주식회사 가스 센서용 광 공동 및 그를 이용한 가스센서
EP3818357B1 (de) 2018-07-03 2024-01-03 Global Analyzer Systems Limited Selbstausrichtende optische sensorzelle mit hoher finesse
CN110095416B (zh) * 2019-04-29 2021-10-08 西北核技术研究所 一种金属熔池激光吸收率分布在线测量系统和方法
US11796445B2 (en) 2019-05-15 2023-10-24 Analog Devices, Inc. Optical improvements to compact smoke detectors, systems and apparatus
US11747272B2 (en) 2019-06-10 2023-09-05 Analog Devices, Inc. Gas detection using differential path length measurement
DE102019210163A1 (de) 2019-07-10 2021-01-14 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optische messanordnung und gassensor mit derselben
KR102265045B1 (ko) * 2019-12-05 2021-06-15 한국광기술원 광학식 가스센서
SE543968C2 (en) * 2020-02-27 2021-10-12 Senseair Ab Gas sensor with long absorption path length
US11821836B2 (en) 2020-07-13 2023-11-21 Analog Devices, Inc. Fully compensated optical gas sensing system and apparatus
SE544494C2 (en) 2020-10-21 2022-06-21 Senseair Ab Temperature controller for a temperature control mechanism
CN115184293B (zh) * 2022-07-22 2023-06-20 深圳市诺安智能股份有限公司 具有一致性光程长度的微型红外气体传感器及实现方法
CN117309798A (zh) * 2023-09-27 2023-12-29 深圳宇问测量技术有限公司 气体传感器光路设计方法及其反射面的结构和制作工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946239A (en) * 1975-01-24 1976-03-23 The United States Of America As Represented By The United Energy Research And Development Administration Ellipsoidal cell flow system
WO1982002950A1 (en) * 1981-02-25 1982-09-02 Oskar Oehler Gas analyser,particularly audiovisual gas detector
WO1984000217A1 (en) * 1982-06-25 1984-01-19 Oskar Oehler Light collector device and utilization thereof for spectroscopy
JPS6117654U (ja) * 1984-07-07 1986-02-01 株式会社 堀場製作所 赤外線ガス分析計
DE3830906A1 (de) * 1988-09-10 1990-03-15 Draegerwerk Ag Spiegelanordnung fuer einen strahlengang in einer vielfach-reflexionsmesszelle
DE69007291T2 (de) * 1989-09-29 1994-09-22 Ca Atomic Energy Ltd Infrarot-gasdetektor.
SE510549C2 (sv) * 1995-11-13 1999-05-31 Hans Goeran Evald Martin Gassensor
GB9616809D0 (en) * 1996-08-10 1996-09-25 Eev Ltd Gas monitors
US5767967A (en) * 1997-01-02 1998-06-16 Yufa; Aleksandr L. Method and device for precise counting and measuring the particulates and small bodies

Also Published As

Publication number Publication date
EP0963547A1 (de) 1999-12-15
US6194735B1 (en) 2001-02-27
SE9603109L (sv) 1998-03-01
JP3990733B2 (ja) 2007-10-17
AU719720B2 (en) 2000-05-18
AU3874197A (en) 1998-03-19
WO1998009152A1 (en) 1998-03-05
CN1107862C (zh) 2003-05-07
JP2000517055A (ja) 2000-12-19
SE506942C2 (sv) 1998-03-02
EP0963547B1 (de) 2008-04-09
CN1228839A (zh) 1999-09-15
SE9603109D0 (sv) 1996-08-28
CA2262740C (en) 2007-02-20
ATE391905T1 (de) 2008-04-15
CA2262740A1 (en) 1998-03-05
DE69738627T2 (de) 2009-05-28

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