JP6472706B2 - 排ガス分析装置 - Google Patents
排ガス分析装置 Download PDFInfo
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- JP6472706B2 JP6472706B2 JP2015093666A JP2015093666A JP6472706B2 JP 6472706 B2 JP6472706 B2 JP 6472706B2 JP 2015093666 A JP2015093666 A JP 2015093666A JP 2015093666 A JP2015093666 A JP 2015093666A JP 6472706 B2 JP6472706 B2 JP 6472706B2
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- exhaust gas
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- 238000005070 sampling Methods 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 129
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 53
- 229910002091 carbon monoxide Inorganic materials 0.000 description 53
- 238000004458 analytical method Methods 0.000 description 52
- 238000004868 gas analysis Methods 0.000 description 29
- 238000009833 condensation Methods 0.000 description 17
- 230000005494 condensation Effects 0.000 description 17
- 238000005259 measurement Methods 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 230000006837 decompression Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0022—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
- G01N2001/2261—Sampling from a flowing stream of gas in a stack or chimney preventing condensation (heating lines)
-
- 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
- G01N2021/354—Hygrometry of 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
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
-
- 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
- G01N2201/02—Mechanical
- G01N2201/021—Special mounting in general
- G01N2201/0216—Vehicle borne
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Description
さらに、前記減圧源9の手前にはバッファタンクBTを設けてあり、当該減圧源9により発生する脈動が各分析計に影響を与えにくくしてある。
この図5のように構成することで、1つのそれほど容量の大きくない減圧源9でも複数種類の測定原理の分析計においてそれぞれ測定に適した圧力を別々に保つことができ、車載型の排ガス分析装置5としてより好ましいものにできる。
100・・・排ガス分析装置本体
101・・・拡張分析ユニット
102・・・演算記憶ユニット
1 ・・・内燃機関
2 ・・・排気管
3 ・・・排ガス採取機構
4 ・・・ホットホース
5 ・・・排ガス分析装置
51 ・・・CO・CO2分析計(水分濃度計)
52 ・・・NOX計
53 ・・・THC分析計
54 ・・・分析演算部
55 ・・・排ガス分析データ記憶部
6 ・・・電源切替装置
7 ・・・ノートパソコン
8 ・・・温調機構
81 ・・・電熱線ヒータ
82 ・・・温度設定部
SL1・・・第1サンプリングライン
SL2・・・第2サンプリングライン
CN ・・・接続配管
Claims (5)
- 排ガス中の成分を分析する分析計を具備する車載型の排ガス分析装置であって、
外部から排ガスが導入される排ガス導入端子から前記分析計までの排ガスの流路であるサンプリングラインと、
前記サンプリングライン内を所定圧力に減圧する減圧源と、
前記サンプリングライン内を流れる排ガスを少なくとも第1温度となるように温調する温調機構と、を備え、
前記第1温度が、減圧された所定圧力における水分の沸点以上、かつ、一気圧における水分の沸点より低い温度に設定され、
前記温調機構が、所定条件下では前記第1温度よりも高い温度である第2温度で排ガスを温調するように構成されていることを特徴とする排ガス分析装置。 - 前記温調機構が、車両がコールドスタートする場合には前記第2温度で排ガスを温調するように構成されている請求項1記載の排ガス分析装置。
- 前記温調機構が、前記サンプリングラインを温調する電熱線ヒータと、前記電熱線ヒータに目標値である設定温度を設定する温度設定部と、を具備し、
前記温度設定部が、大気圧に応じて設定温度を変更するように構成されている請求項1又は2記載の排ガス分析装置。 - 前記温度設定部が、車両の内燃機関の種類に応じて設定温度を変更するように構成されている請求項3記載の排ガス分析装置。
- 前記分析計が、排ガス中の水分の濃度を分析するものであり、
前記温度設定部が、前記分析計の指示値に応じて設定温度を変更するように構成されている請求項3又は4記載の排ガス分析装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015093666A JP6472706B2 (ja) | 2014-05-15 | 2015-04-30 | 排ガス分析装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2014101176 | 2014-05-15 | ||
JP2014101176 | 2014-05-15 | ||
JP2015093666A JP6472706B2 (ja) | 2014-05-15 | 2015-04-30 | 排ガス分析装置 |
Publications (2)
Publication Number | Publication Date |
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JP2015232555A JP2015232555A (ja) | 2015-12-24 |
JP6472706B2 true JP6472706B2 (ja) | 2019-02-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015093666A Active JP6472706B2 (ja) | 2014-05-15 | 2015-04-30 | 排ガス分析装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10101309B2 (ja) |
EP (1) | EP2944956A1 (ja) |
JP (1) | JP6472706B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6951167B2 (ja) * | 2016-11-29 | 2021-10-20 | 株式会社堀場製作所 | ガス分析装置及びガス分析方法 |
US11047773B2 (en) | 2016-12-22 | 2021-06-29 | Envirolytics, Llc | Precision sampling device |
CN106706856A (zh) * | 2017-01-05 | 2017-05-24 | 贵州中航交通科技有限公司 | 汽车尾气检测车间 |
US10013821B1 (en) * | 2017-03-14 | 2018-07-03 | Ford Global Technologies, Llc | Exhaust gas analysis |
WO2018211334A1 (en) * | 2017-05-18 | 2018-11-22 | Nvent Services Gmbh | Universal power converter |
CN109444087A (zh) * | 2018-10-29 | 2019-03-08 | 北京理工大学 | 一种重型车nox快速手持式检测装置 |
KR102438603B1 (ko) * | 2021-03-02 | 2022-08-31 | 에스피티씨주식회사 | 배기 가스 복합 측정 장비 |
CN114136752A (zh) * | 2021-12-03 | 2022-03-04 | 沃森能源技术(廊坊)有限公司 | 耐变化温度样气恒温装置及样气预处理*** |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4308191C2 (de) * | 1992-03-21 | 1995-09-28 | Horiba Ltd | Gasanalysegerät |
US6200819B1 (en) * | 1995-09-29 | 2001-03-13 | Horiba Instruments, Inc. | Method and apparatus for providing diluent gas to exhaust emission analyzer |
US5756360A (en) * | 1995-09-29 | 1998-05-26 | Horiba Instruments Inc. | Method and apparatus for providing diluted gas to exhaust emission analyzer |
US6439040B1 (en) * | 1997-08-25 | 2002-08-27 | Wissenschaftliche Wekstatt Fur Umweltmesstechnik Gmbh | Device for analyzing exhaust emissions from motor vehicles |
JP3502060B2 (ja) | 2001-05-11 | 2004-03-02 | 日野自動車株式会社 | スモークメータ |
JP3771849B2 (ja) * | 2001-09-27 | 2006-04-26 | 株式会社堀場製作所 | 赤外線ガス分析方法および装置 |
US6865472B2 (en) * | 2002-09-27 | 2005-03-08 | Horiba Ltd. | Vehicle-installed exhaust gas analyzing apparatus |
US20050274169A1 (en) * | 2004-06-10 | 2005-12-15 | James Butler | Vehicle/engine sampling system for precise analysis of exhaust components |
EP1914545B1 (en) * | 2005-03-29 | 2016-05-04 | Horiba, Ltd. | Vehicle-mountable exhaust gas analyzer |
US20080298788A1 (en) * | 2007-06-04 | 2008-12-04 | Teleflex Fluid Systems, Inc. | Heated hose apparatus and method |
JP2009204224A (ja) * | 2008-02-27 | 2009-09-10 | Mitsubishi Heavy Ind Ltd | 火炉併設ボイラ設備の灰付着防止方法及び火炉併設ボイラ設備 |
JP5667912B2 (ja) * | 2010-05-18 | 2015-02-12 | 株式会社堀場製作所 | 吸着性ガス分析装置 |
AT509557B1 (de) * | 2011-06-10 | 2012-05-15 | Avl List Gmbh | Verfahren und vorrichtung zur analyse des abgases von verbrennungskraftmaschinen, sowie abgas-kühler für diese vorrichtung |
CN103424261B (zh) * | 2012-05-23 | 2017-05-24 | 株式会社堀场制作所 | 排气分析装置、排气分析***及其动作方法 |
JP5732432B2 (ja) * | 2012-05-23 | 2015-06-10 | 株式会社堀場製作所 | 排ガス分析装置 |
-
2015
- 2015-04-30 JP JP2015093666A patent/JP6472706B2/ja active Active
- 2015-05-13 EP EP15167506.3A patent/EP2944956A1/en not_active Withdrawn
- 2015-05-15 US US14/713,901 patent/US10101309B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2944956A1 (en) | 2015-11-18 |
JP2015232555A (ja) | 2015-12-24 |
US20150330868A1 (en) | 2015-11-19 |
US10101309B2 (en) | 2018-10-16 |
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