JP4594277B2 - 排ガス分析装置におけるセンサユニット - Google Patents
排ガス分析装置におけるセンサユニット Download PDFInfo
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- JP4594277B2 JP4594277B2 JP2006151536A JP2006151536A JP4594277B2 JP 4594277 B2 JP4594277 B2 JP 4594277B2 JP 2006151536 A JP2006151536 A JP 2006151536A JP 2006151536 A JP2006151536 A JP 2006151536A JP 4594277 B2 JP4594277 B2 JP 4594277B2
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- exhaust gas
- adjustment ring
- sensor
- laser light
- sensor unit
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- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 132
- 238000003780 insertion Methods 0.000 description 25
- 230000037431 insertion Effects 0.000 description 25
- 230000010355 oscillation Effects 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000000862 absorption spectrum Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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- 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
- G01N21/17—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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/158—Eliminating condensation
-
- 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
- G01N21/0332—Cuvette constructions with temperature control
-
- 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
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- 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)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
Claims (5)
- 排ガスが通過する排ガス通過口が備えられているセンサベースと、該センサベースに設けられている、レーザ光を照射する照射部と受光部とで構成されたセンサユニットが、排ガスの排気経路に設置され、前記照射部から排ガス通過口内の排ガス中に照射したレーザ光を前記受光部で受光し、受光されたレーザ光に基づいて前記排ガス中に含まれる成分の濃度を測定する排ガス分析装置におけるセンサユニットであって、
前記排ガス通過口は、センサベースに形成されている開口部に、排ガスが通過する貫通孔が形成された調整リングが着脱自在に嵌合されて装着されることにより構成されており、
前記センサベースには、前記開口部を挟んで反射鏡が対向して配置されており、
前記調整リングの周面には前記照射部から照射されたレーザ光および前記反射鏡で反射されたレーザ光が通過して前記受光部に到達するためのレーザ光通過部が形成され、
前記調整リングが断熱性の材料で構成されていることを特徴とする排ガス分析装置のセンサユニット。 - 前記調整リングは、外形が同じで前記貫通孔の内径が異なる調整リングに取り換え可能であることを特徴とする請求項1に記載の排ガス分析装置のセンサユニット。
- 前記調整リングは、円筒形であってその外径が同じで貫通孔の内径が異なる調整リングに取り換え可能であることを特徴とする請求項1に記載の排ガス分析装置のセンサユニット。
- 前記調整リングの周面に形成されているレーザ光通過部が複数の小孔であることを特徴とする請求項1乃至3のいずれかに記載の排ガス分析装置のセンサユニット。
- 前記調整リングがセラミックで構成されていることを特徴とする請求項1乃至4のいずれかに記載の排ガス分析装置のセンサユニット。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006151536A JP4594277B2 (ja) | 2006-05-31 | 2006-05-31 | 排ガス分析装置におけるセンサユニット |
EP20070744631 EP1998164B1 (en) | 2006-05-31 | 2007-05-29 | Exhaust gas analyzer comprising a sensor unit |
US12/224,793 US7936460B2 (en) | 2006-05-31 | 2007-05-29 | Sensor unit in exhaust gas analyzer |
PCT/JP2007/061245 WO2007139223A1 (ja) | 2006-05-31 | 2007-05-29 | 排ガス分析装置におけるセンサユニット |
DE200760009499 DE602007009499D1 (de) | 2006-05-31 | 2007-05-29 | Abgasanalysator mit Sensoreinheit |
KR20087026405A KR101018613B1 (ko) | 2006-05-31 | 2007-05-29 | 배기 가스 분석 장치에 있어서의 센서 유닛 |
CN200780008634XA CN101400989B (zh) | 2006-05-31 | 2007-05-29 | 废气分析仪中的传感器装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006151536A JP4594277B2 (ja) | 2006-05-31 | 2006-05-31 | 排ガス分析装置におけるセンサユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007322214A JP2007322214A (ja) | 2007-12-13 |
JP4594277B2 true JP4594277B2 (ja) | 2010-12-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006151536A Expired - Fee Related JP4594277B2 (ja) | 2006-05-31 | 2006-05-31 | 排ガス分析装置におけるセンサユニット |
Country Status (7)
Country | Link |
---|---|
US (1) | US7936460B2 (ja) |
EP (1) | EP1998164B1 (ja) |
JP (1) | JP4594277B2 (ja) |
KR (1) | KR101018613B1 (ja) |
CN (1) | CN101400989B (ja) |
DE (1) | DE602007009499D1 (ja) |
WO (1) | WO2007139223A1 (ja) |
Families Citing this family (16)
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US8208143B2 (en) * | 2005-04-28 | 2012-06-26 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas analyzer |
JP4227991B2 (ja) * | 2005-12-28 | 2009-02-18 | トヨタ自動車株式会社 | 排ガス分析装置および排ガス分析方法 |
EP1887343A1 (en) * | 2006-08-11 | 2008-02-13 | Geoservices | Device for quantifying the content of at least one gaseous constituent contained in a gaseous sample from a fluid, related assembly and process |
JP4732277B2 (ja) * | 2006-08-23 | 2011-07-27 | トヨタ自動車株式会社 | ガス分析装置及びガス分析方法 |
US8424292B2 (en) * | 2009-12-31 | 2013-04-23 | General Electric Company | Systems and apparatus relating to the monitoring and/or controlling of selective catalytic reduction processes |
US8158946B2 (en) * | 2010-08-25 | 2012-04-17 | Airware, Inc. | Intrinsically safe improved sensitivity NDIR gas sensor in a can |
US8003945B1 (en) * | 2010-08-25 | 2011-08-23 | Jacob Y Wong | Intrinsically safe NDIR gas sensor in a can |
US8616006B2 (en) * | 2010-11-30 | 2013-12-31 | General Electric Company | Advanced optics and optical access for laser ignition for gas turbines including aircraft engines |
JP5815377B2 (ja) * | 2010-12-27 | 2015-11-17 | 株式会社堀場製作所 | ガス濃度測定装置 |
JP2014115194A (ja) * | 2012-12-10 | 2014-06-26 | Mitsubishi Heavy Ind Ltd | ガス測定用配管及びガス測定用配管の製造方法 |
SG11201701015QA (en) * | 2014-08-29 | 2017-03-30 | Univ Tohoku | Optical concentration measuring method |
KR101975134B1 (ko) * | 2015-01-19 | 2019-05-03 | 엔테그리스, 아이엔씨. | 적외선 및 자외선 모니터링을 위한 작은 부피, 긴 경로길이의 다중-통과 기체 셀 |
GB201510563D0 (en) | 2015-06-16 | 2015-07-29 | Gassecure As | Optical elements in gas sensors |
EP3563138B1 (en) * | 2016-12-27 | 2022-08-17 | GE Infrastructure Sensing, LLC | Portable moisture analyzer for natural gas |
JP7551624B2 (ja) * | 2019-01-16 | 2024-09-17 | インドリオ テクノロジーズ インコーポレイテッド | レーザーを用いた現場排気ガスセンサ |
CN114577985A (zh) * | 2022-02-11 | 2022-06-03 | 深圳市卡普瑞环境科技有限公司 | 小型化气体传感装置的恒温模块和小型化气体传感装置 |
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2007
- 2007-05-29 DE DE200760009499 patent/DE602007009499D1/de active Active
- 2007-05-29 KR KR20087026405A patent/KR101018613B1/ko not_active IP Right Cessation
- 2007-05-29 WO PCT/JP2007/061245 patent/WO2007139223A1/ja active Application Filing
- 2007-05-29 CN CN200780008634XA patent/CN101400989B/zh not_active Expired - Fee Related
- 2007-05-29 EP EP20070744631 patent/EP1998164B1/en not_active Ceased
- 2007-05-29 US US12/224,793 patent/US7936460B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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KR20090005093A (ko) | 2009-01-12 |
JP2007322214A (ja) | 2007-12-13 |
CN101400989A (zh) | 2009-04-01 |
WO2007139223A1 (ja) | 2007-12-06 |
EP1998164B1 (en) | 2010-09-29 |
US7936460B2 (en) | 2011-05-03 |
EP1998164A4 (en) | 2009-03-11 |
CN101400989B (zh) | 2011-05-25 |
DE602007009499D1 (de) | 2010-11-11 |
US20090095918A1 (en) | 2009-04-16 |
KR101018613B1 (ko) | 2011-03-02 |
EP1998164A1 (en) | 2008-12-03 |
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