WO2008081757A1 - ガス検出方法及びガス検出装置 - Google Patents

ガス検出方法及びガス検出装置 Download PDF

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Publication number
WO2008081757A1
WO2008081757A1 PCT/JP2007/074738 JP2007074738W WO2008081757A1 WO 2008081757 A1 WO2008081757 A1 WO 2008081757A1 JP 2007074738 W JP2007074738 W JP 2007074738W WO 2008081757 A1 WO2008081757 A1 WO 2008081757A1
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WO
WIPO (PCT)
Prior art keywords
ethanol
infrared light
optical filter
electric signals
gas detecting
Prior art date
Application number
PCT/JP2007/074738
Other languages
English (en)
French (fr)
Inventor
Toshiyuki Taguchi
Toshihiro Wakita
Kiyomi Sakakibara
Original Assignee
Kabushiki Kaisha Toyota Chuo Kenkyusho
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 Kabushiki Kaisha Toyota Chuo Kenkyusho filed Critical Kabushiki Kaisha Toyota Chuo Kenkyusho
Priority to US12/521,099 priority Critical patent/US8183527B2/en
Priority to JP2008524288A priority patent/JP4241904B2/ja
Publication of WO2008081757A1 publication Critical patent/WO2008081757A1/ja

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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
    • G01N21/17—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
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • G01N33/4972—Determining alcohol content
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/097—Devices for facilitating collection of breath or for directing breath into or through measuring devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
    • 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
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/0616—Ambient light is used

Abstract

　人間の顔を光源として利用することにより、ランプ等の光源を用いることなく、エタノールの濃度を検出する。 　ガス検出装置は、人間の顔から放射された赤外線との相互作用によって生じる吸収スペクトルで、呼気中のエタノールのＣ－Ｏ伸縮振動による吸収スペクトルを含む所定波長帯域の赤外線を透過するエタノール用光学フィルタ２０、人間の顔から放射された赤外線の波長の帯域を含む帯域の赤外線を透過させる参照用光学フィルタ３０、エタノール用光学フィルタ２０を透過した赤外線を電気信号に変換するエタノール用変換手段２２、参照用光学フィルタ３０を透過した赤外線を電気信号に変換する参照用変換手段３２、エタノール用変換手段で変換された電気信号と参照用変換手段で変換された電気信号とに基づいて、エタノールガスの濃度を検出する検出手段２４を含む。
PCT/JP2007/074738 2006-12-28 2007-12-21 ガス検出方法及びガス検出装置 WO2008081757A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/521,099 US8183527B2 (en) 2006-12-28 2007-12-21 Gas detecting method and gas detecting apparatus
JP2008524288A JP4241904B2 (ja) 2006-12-28 2007-12-21 ガス検出方法及びガス検出装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006-355974 2006-12-28
JP2006355974 2006-12-28
JP2007-205593 2007-08-07
JP2007205593 2007-08-07

Publications (1)

Publication Number Publication Date
WO2008081757A1 true WO2008081757A1 (ja) 2008-07-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074738 WO2008081757A1 (ja) 2006-12-28 2007-12-21 ガス検出方法及びガス検出装置

Country Status (3)

Country Link
US (1) US8183527B2 (ja)
JP (3) JP4241904B2 (ja)
WO (1) WO2008081757A1 (ja)

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JP2010043885A (ja) * 2008-08-11 2010-02-25 Hochiki Corp 特定物質検知装置及び方法
JP2011053049A (ja) * 2009-09-01 2011-03-17 Denso Corp アルコール検出装置
WO2013013448A1 (zh) * 2011-07-25 2013-01-31 北京农业信息技术研究中心 航空施药中药雾分布与飘移趋势遥测系统及方法
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WO2016148007A1 (ja) * 2015-03-19 2016-09-22 コニカミノルタ株式会社 物質検出装置
JP2016191615A (ja) * 2015-03-31 2016-11-10 日本電信電話株式会社 Ｎ２ｏ分析装置および分析方法
CN107923842A (zh) * 2015-06-05 2018-04-17 汽车交通安全联合公司 集成呼吸酒精传感器系统
WO2020017060A1 (ja) * 2018-07-20 2020-01-23 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及びテラヘルツ波検出システム
WO2021053804A1 (ja) * 2019-09-19 2021-03-25 株式会社島津製作所 ガス吸収分光装置、及びガス吸収分光方法
JP2022066541A (ja) * 2018-07-20 2022-04-28 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
JP2022121675A (ja) * 2017-12-15 2022-08-19 マクセル株式会社 非接触ガス計測装置、非接触ガス計測システム、携帯端末、および非接触ガス計測方法

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JP6780928B2 (ja) * 2015-11-06 2020-11-04 Ｅｎｅｏｓ株式会社 防爆容器用換気具、防爆容器、防爆ガス検出機構及び監視装置
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JP2009254399A (ja) * 2008-04-11 2009-11-05 Denso Corp アルコール濃度計測器
JP2010008097A (ja) * 2008-06-24 2010-01-14 Toyota Central R&D Labs Inc ガス検出装置
JP2010043885A (ja) * 2008-08-11 2010-02-25 Hochiki Corp 特定物質検知装置及び方法
JP2011053049A (ja) * 2009-09-01 2011-03-17 Denso Corp アルコール検出装置
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JP7041308B2 (ja) 2018-07-20 2022-03-23 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
JP2022066541A (ja) * 2018-07-20 2022-04-28 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
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JP7323667B2 (ja) 2018-07-20 2023-08-08 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
WO2021053804A1 (ja) * 2019-09-19 2021-03-25 株式会社島津製作所 ガス吸収分光装置、及びガス吸収分光方法

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JP4241904B2 (ja) 2009-03-18
US8183527B2 (en) 2012-05-22
JPWO2008081757A1 (ja) 2010-04-30
JP4240154B1 (ja) 2009-03-18
US20100025585A1 (en) 2010-02-04

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