CN101251480B - 气体传感器 - Google Patents
气体传感器 Download PDFInfo
- Publication number
- CN101251480B CN101251480B CN2008100805965A CN200810080596A CN101251480B CN 101251480 B CN101251480 B CN 101251480B CN 2008100805965 A CN2008100805965 A CN 2008100805965A CN 200810080596 A CN200810080596 A CN 200810080596A CN 101251480 B CN101251480 B CN 101251480B
- Authority
- CN
- China
- Prior art keywords
- measuring
- laser beam
- measuring chamber
- chamber
- route
- 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.)
- Active
Links
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000007811 spectroscopic assay Methods 0.000 claims description 2
- 238000001307 laser spectroscopy Methods 0.000 abstract 2
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 29
- 238000005259 measurement Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Images
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
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
-
- 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- 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
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
- G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases
-
- 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
- G01N2021/396—Type of laser source
- G01N2021/399—Diode laser
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07003553A EP1962077A1 (en) | 2007-02-21 | 2007-02-21 | Gas sensor |
EP07003553.0 | 2007-02-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101251480A CN101251480A (zh) | 2008-08-27 |
CN101251480B true CN101251480B (zh) | 2011-11-23 |
Family
ID=38050026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100805965A Active CN101251480B (zh) | 2007-02-21 | 2008-02-20 | 气体传感器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7636153B2 (zh) |
EP (1) | EP1962077A1 (zh) |
JP (1) | JP2008203248A (zh) |
KR (1) | KR20080077905A (zh) |
CN (1) | CN101251480B (zh) |
CA (1) | CA2621757A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008022222B3 (de) * | 2008-05-06 | 2009-04-30 | Dräger Safety AG & Co. KGaA | Gasmessanordnung mit einer offenen optischen Messstrecke |
MY162195A (en) | 2010-07-08 | 2017-05-31 | Halliburton Energy Services Inc | Method and system of determining constituent components of a fluid sample |
US20120013472A1 (en) * | 2010-07-15 | 2012-01-19 | General Electric Company | Systems and Methods of Monitoring Combustible Gases in a Coal Supply |
EP2770319B2 (de) | 2013-02-25 | 2022-01-26 | Sick Ag | Gasmessgerät |
US20150063408A1 (en) * | 2013-09-04 | 2015-03-05 | Decagon Devices, Inc. | Gaseous concentration measurement apparatus |
CN103940777B (zh) * | 2014-03-12 | 2016-02-03 | 重庆大学 | 便携式检测sf6分解组分红外激光气体传感器 |
DE102014221029B4 (de) * | 2014-10-16 | 2023-03-30 | Syntegon Technology Gmbh | Überwachungseinheit zum Überwachen von Objekten für pharmazeutische Anwendungen, insbesondere Stopfen für Behältnisse |
DE102014226845B4 (de) * | 2014-12-17 | 2016-11-03 | Siemens Aktiengesellschaft | Absorptionsspektrometer |
CN109490216B (zh) * | 2019-01-07 | 2021-02-19 | 大连理工大学 | 一种免校准的激光光声光谱微量气体检测仪器及方法 |
KR102269015B1 (ko) * | 2019-11-08 | 2021-06-24 | (주)센서테크 | 가스측정용 음향센서 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0590813A1 (en) * | 1992-09-30 | 1994-04-06 | Gec-Marconi Limited | Gas analyser |
CN1532536A (zh) * | 2002-03-29 | 2004-09-29 | 日本培斯特株式会社 | 组合分析仪 |
CN1727875A (zh) * | 2005-07-19 | 2006-02-01 | 大连理工大学 | 一种氢气浓度的检测方法 |
CN2849712Y (zh) * | 2005-12-22 | 2006-12-20 | 公安部上海消防研究所 | 基于光声原理的有毒有害气体检测及火灾报警装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3820901A (en) * | 1973-03-06 | 1974-06-28 | Bell Telephone Labor Inc | Measurement of concentrations of components of a gaseous mixture |
AU549570B2 (en) * | 1981-04-13 | 1986-01-30 | Australian Atomic Energy Commission | Measuring the concentration of gaseous hydrogen fluoride |
JPS62129741A (ja) * | 1985-12-02 | 1987-06-12 | Hitachi Ltd | 光音響分析方法及び装置 |
AU598367B2 (en) * | 1987-05-08 | 1990-06-21 | Broken Hill Proprietary Company Limited, The | Sensing of methane |
JP2685482B2 (ja) * | 1988-04-08 | 1997-12-03 | 株式会社日立製作所 | 粒子状物質の分析方法及び装置 |
US6231905B1 (en) | 1998-10-08 | 2001-05-15 | Delduca Gary R. | System and method of making a modified atmosphere package comprising an activated oxygen scavenger for packaging meat |
US20030038237A1 (en) * | 2001-08-21 | 2003-02-27 | Pranalytica, Inc. | Amplifier-enhanced optical analysis system and method |
EP1549932B1 (en) | 2003-09-12 | 2006-02-01 | IR Microsystems S.A. | Gas detection method and gas detector device |
AT6894U3 (de) * | 2004-01-28 | 2005-01-25 | Avl List Gmbh | Messkammer für photoakustische sensoren |
-
2007
- 2007-02-21 EP EP07003553A patent/EP1962077A1/en not_active Withdrawn
- 2007-08-17 US US11/840,324 patent/US7636153B2/en active Active
-
2008
- 2008-01-09 KR KR1020080002375A patent/KR20080077905A/ko not_active Application Discontinuation
- 2008-01-16 JP JP2008006702A patent/JP2008203248A/ja active Pending
- 2008-02-19 CA CA002621757A patent/CA2621757A1/en not_active Abandoned
- 2008-02-20 CN CN2008100805965A patent/CN101251480B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0590813A1 (en) * | 1992-09-30 | 1994-04-06 | Gec-Marconi Limited | Gas analyser |
CN1532536A (zh) * | 2002-03-29 | 2004-09-29 | 日本培斯特株式会社 | 组合分析仪 |
CN1727875A (zh) * | 2005-07-19 | 2006-02-01 | 大连理工大学 | 一种氢气浓度的检测方法 |
CN2849712Y (zh) * | 2005-12-22 | 2006-12-20 | 公安部上海消防研究所 | 基于光声原理的有毒有害气体检测及火灾报警装置 |
Non-Patent Citations (1)
Title |
---|
JP特开2000-193645A 2000.07.14 |
Also Published As
Publication number | Publication date |
---|---|
US20080198364A1 (en) | 2008-08-21 |
JP2008203248A (ja) | 2008-09-04 |
KR20080077905A (ko) | 2008-08-26 |
US7636153B2 (en) | 2009-12-22 |
CA2621757A1 (en) | 2008-08-21 |
CN101251480A (zh) | 2008-08-27 |
EP1962077A1 (en) | 2008-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101251480B (zh) | 气体传感器 | |
US8322191B2 (en) | Enhanced cavity for a photoacoustic gas sensor | |
RU2461815C2 (ru) | Способ и устройство для обнаружения газов, частиц и/или жидкостей | |
CN108007901B (zh) | 一种检测多组分痕量气体浓度的方法与装置 | |
CN101688827B (zh) | 具有光导的光声样本检测器 | |
CN102954939A (zh) | 检测天然气中的水分的方法和系统 | |
CN104220863B (zh) | 气体检测器系统 | |
KR101635656B1 (ko) | 고농도 기체의 스펙트럼 분석에 적합한 장치 | |
CN106198471B (zh) | 一种基于导光毛细管的生化荧光分析仪及其检测方法 | |
JP2009025298A (ja) | 直交入力を有する光空洞システム | |
US10605732B2 (en) | Portable device for detecting explosive substances comprising a device for generating and measuring the emission of an indicator | |
US20070220979A1 (en) | Method and apparatus for remote sensing utilizing a reverse photoacoustic effect | |
JP5942691B2 (ja) | 携帯型蛍光光度計及び携帯型蛍光光度計用試料容器 | |
JPH04505967A (ja) | 流体の組成例えば内燃機関の排気ガスの成分を測定するための装置 | |
US20080116378A1 (en) | Long-term stable optical sensor arrangement, especially a hydrogen sensor, and combined gas sensor arrangement | |
CN104502292A (zh) | 痕量气体传感器光路系统及气室 | |
JP2898489B2 (ja) | 分光光度分析のための装置 | |
CN209979483U (zh) | 非分光红外气体传感器 | |
CN221860273U (zh) | 免疫荧光检测仪光路结构 | |
CN204028005U (zh) | 一种基于拉曼散射的物质检测装置 | |
CN212321446U (zh) | 一种双波长激光共焦拉曼探头及拉曼光谱仪 | |
JP2004527767A (ja) | 濃縮媒質に含まれる化学種の光学検出方法 | |
CN115112627A (zh) | 一种差分拉曼检测装置 | |
CN111638203A (zh) | 一种拉曼探头的双波长激光共焦点探测方法 | |
CN109946262A (zh) | 一种基于太赫兹波的检测装置及检测系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: LEISTER PROCESS TECH Free format text: FORMER OWNER: IR MICROSYSTEMS S.A. Effective date: 20100812 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: LAUSANNE, SWITZERLAND TO: KAGISWILL, SWITZERLAND |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20100812 Address after: Swiss kaegi Neville Applicant after: Leister Process Tech Address before: Lausanne Applicant before: IR Microsystems S.A. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: AXETRIS AG Free format text: FORMER OWNER: LEISTER PROCESS TECH Effective date: 20120401 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120401 Address after: Swiss kaegi Neville Patentee after: Axetris AG Address before: Swiss kaegi Neville Patentee before: Leister Process Tech |