JP5060469B2 - 窒素含有ガス化合物検出用の低コスト機器 - Google Patents
窒素含有ガス化合物検出用の低コスト機器 Download PDFInfo
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- JP5060469B2 JP5060469B2 JP2008508389A JP2008508389A JP5060469B2 JP 5060469 B2 JP5060469 B2 JP 5060469B2 JP 2008508389 A JP2008508389 A JP 2008508389A JP 2008508389 A JP2008508389 A JP 2008508389A JP 5060469 B2 JP5060469 B2 JP 5060469B2
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- 239000007789 gas Substances 0.000 title claims description 53
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 title claims description 13
- 150000001875 compounds Chemical class 0.000 title description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 37
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- -1 nitrogen-containing compound Chemical class 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 91
- 239000003570 air Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 13
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 230000005855 radiation Effects 0.000 description 7
- 230000000241 respiratory effect Effects 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910002089 NOx Inorganic materials 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004867 photoacoustic spectroscopy Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000019693 Lung disease Diseases 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 208000006673 asthma Diseases 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 206010057190 Respiratory tract infections Diseases 0.000 description 1
- 206010039085 Rhinitis allergic Diseases 0.000 description 1
- 235000005811 Viola adunca Nutrition 0.000 description 1
- 240000009038 Viola odorata Species 0.000 description 1
- 235000013487 Viola odorata Nutrition 0.000 description 1
- 235000002254 Viola papilionacea Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005534 acoustic noise Effects 0.000 description 1
- 201000009961 allergic asthma Diseases 0.000 description 1
- 201000010105 allergic rhinitis Diseases 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004968 inflammatory condition Effects 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 208000036273 reactive airway disease Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 208000018556 stomach disease Diseases 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000825 ultraviolet detection Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
- G01N29/2425—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics optoacoustic fluid cells therefor
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- 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
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Description
a)「有する」という用語は、所与の請求項に記載されたもの以外の他の素子または動作が存在することを排斥するものではないこと、
b)素子の前の「一つの」という用語は、そのような素子が複数あることを排斥するものではないこと、
c)請求項内のいかなる参照符号も、本発明の範囲を限定するものではないこと、
d)いくつかの「手段」は、同じ構造もしくは機能を発揮する物品またはハードウェアまたはソフトウェアによって表されても良いこと、
e)示された素子の各々は、ハードウェア部分(例えば、個別のおよび一体化された電子回路を含む)、ソフトウェア部分(例えば、コンピュータプログラム)、およびこれらのいかなる組み合わせで構成されても良いこと、
f)ハードウェア部分は、アナログおよびデジタルの部分の一方または両方で構成されても良いこと、
g)特に記載がない限り、示されたいかなる装置またはその一部も、相互に組み合わされ、あるいはさらなる部分に分離されても良いこと、
h)特に示唆がない限り、動作には、特定の順番が必要ではないこと、
i)「複数の」素子という用語は、記載された2または3以上の素子を含み、素子の数のいかなる特定の範囲を意味するものでもないこと、すなわち、複数の素子は、2つの素子であっても良いこと、
を理解する必要がある。
Claims (10)
- 混合ガス中の1または2以上の窒素含有化合物を検出するための検出器であって、
前記混合ガス中の少なくとも一つの窒素含有化合物を、二酸化窒素に変換するように構成された変換器と、
該変換器に作動可能に結合され、前記変換器によって提供された前記二酸化窒素を検出するように構成された光音響センサと、
を有し、
前記光音響センサは、
共振周波数で構造的な共振を示す音響ピックアップユニット、および
可視波長領域における二酸化窒素の吸収に対応する波長の光を放射するように構成された光源であって、前記光は、前記共振周波数に対応する変調周波数を有する光源、
を有し、
前記音響ピックアップユニットは、圧電式検知ユニットを有し、該圧電式検知ユニットは、
共振音叉、および
1または2以上の円柱状音響共振器
を有することを特徴とする検出器。 - 前記光源は、半導体レーザおよび発光ダイオードのうちの少なくとも一つを有することを特徴とする請求項1に記載の検出器。
- 前記音叉は、円柱状キャビティを有するように構成され、該キャビティは、前記1または2以上の円柱状音響共振器の半径と実質的に等しい半径を有することを特徴とする請求項1または2に記載の検出器。
- さらに、
前記混合ガスの発生に利用されるインプットから、1または2以上の窒素含有化合物を除去するように構成された洗浄器を有することを特徴とする請求項1乃至3のいずれか一つに記載の検出器。 - さらに、
前記混合ガスに関連する圧力量を検出するように構成された圧力センサを有することを特徴とする請求項1乃至4のいずれか一つに記載の検出器。 - 前記センサは、前記混合ガス中の少なくとも一つの他のガスを検出するように構成され、
前記光源は、さらに、可視波長領域における前記少なくとも一つの他のガスの吸収に対応する波長の光を放射するように構成されることを特徴とする請求項1乃至5のいずれか一つに記載の検出器。 - 前記変調周波数は、前記共振周波数、前記共振周波数の倍数、および前記共振周波数の約数のいずれかと、実質的に等しいことを特徴とする請求項1乃至6のいずれか一つに記載の検出器。
- 混合ガス中の1または2以上の窒素含有化合物を検出する方法であって、
前記混合ガス中の少なくとも一つの窒素含有化合物を、二酸化窒素に変換するステップと、
前記二酸化窒素を検出するステップと、
を有し、
前記二酸化窒素を検出するステップは、キャビティを有する共振音叉と、1または2以上の円柱状音響共振器とを有する圧電検知ユニットにおいて、
前記キャビティ内で、可視波長領域における二酸化窒素の吸収に対応する波長の光に、前記混合ガスを暴露するステップ、
前記キャビティの共振周波数に対応する変調周波数に、前記光を変調するステップ、および
前記吸収により、前記キャビティ内で生じた振動を検出するステップ
を有する、方法。 - さらに、
前記混合ガスの発生に利用されるインプットを洗浄して、前記インプット中の窒素含有化合物を除去するステップを有することを特徴とする請求項8に記載の方法。 - 前記少なくとも一つの窒素含有化合物を変換するステップは、
酸化、
触媒変換、および
オゾン発生
のうちの少なくとも一つを有することを特徴とする請求項8または9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05300323.2 | 2005-04-26 | ||
EP05300323 | 2005-04-26 | ||
PCT/IB2006/051288 WO2006114766A2 (en) | 2005-04-26 | 2006-04-25 | Low cost apparatus for detection of nitrogen-containing gas compounds |
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Publication Number | Publication Date |
---|---|
JP2008539416A JP2008539416A (ja) | 2008-11-13 |
JP5060469B2 true JP5060469B2 (ja) | 2012-10-31 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008508389A Expired - Fee Related JP5060469B2 (ja) | 2005-04-26 | 2006-04-25 | 窒素含有ガス化合物検出用の低コスト機器 |
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Country | Link |
---|---|
US (1) | US20090128819A1 (ja) |
EP (1) | EP1883803B1 (ja) |
JP (1) | JP5060469B2 (ja) |
CN (1) | CN101163956B (ja) |
WO (1) | WO2006114766A2 (ja) |
Cited By (1)
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KR20220052033A (ko) * | 2020-10-20 | 2022-04-27 | 한국과학기술연구원 | 집적형 광음향 가스 센서 및 이의 제조방법 |
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2006
- 2006-04-25 JP JP2008508389A patent/JP5060469B2/ja not_active Expired - Fee Related
- 2006-04-25 US US11/912,695 patent/US20090128819A1/en not_active Abandoned
- 2006-04-25 WO PCT/IB2006/051288 patent/WO2006114766A2/en not_active Application Discontinuation
- 2006-04-25 EP EP06728042A patent/EP1883803B1/en not_active Not-in-force
- 2006-04-25 CN CN2006800138104A patent/CN101163956B/zh not_active Expired - Fee Related
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KR20220052033A (ko) * | 2020-10-20 | 2022-04-27 | 한국과학기술연구원 | 집적형 광음향 가스 센서 및 이의 제조방법 |
KR102426648B1 (ko) | 2020-10-20 | 2022-07-29 | 한국과학기술연구원 | 집적형 광음향 가스 센서 및 이의 제조방법 |
US11639891B2 (en) | 2020-10-20 | 2023-05-02 | Korea Institute Of Science And Technology | Integrated photoacoustic gas sensor and method for manufacturing the same |
Also Published As
Publication number | Publication date |
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CN101163956B (zh) | 2011-02-02 |
JP2008539416A (ja) | 2008-11-13 |
EP1883803B1 (en) | 2012-06-13 |
WO2006114766A2 (en) | 2006-11-02 |
EP1883803A2 (en) | 2008-02-06 |
US20090128819A1 (en) | 2009-05-21 |
CN101163956A (zh) | 2008-04-16 |
WO2006114766A3 (en) | 2007-03-22 |
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