JPH0265154U - - Google Patents

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Publication number
JPH0265154U
JPH0265154U JP1989120641U JP12064189U JPH0265154U JP H0265154 U JPH0265154 U JP H0265154U JP 1989120641 U JP1989120641 U JP 1989120641U JP 12064189 U JP12064189 U JP 12064189U JP H0265154 U JPH0265154 U JP H0265154U
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JP
Japan
Prior art keywords
infrared
chamber
carbon monoxide
detector
path
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.)
Pending
Application number
JP1989120641U
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English (en)
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
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Application filed filed Critical
Publication of JPH0265154U publication Critical patent/JPH0265154U/ja
Pending legal-status Critical Current

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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
    • G01N21/25—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
    • 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
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004—CO or CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】
第１図は本考案による一酸化炭素検出器を例示
する構成図、第２図は本考案による一酸化炭素濃
度を決定する際に有益な代表的回路を例示するブ
ロツク図である。 １２：赤外線源、１４：ビーム分割器、１６，
１８：吸収用管、２０：ポツケルス効果チヨツパ
ー、２２：赤外線透過窓、２４：赤外線検出器、
２６，２８：赤外線反射器、３０：ガス入口、３
２：触媒室、３４：接続路、３６：ガス出口、４
０：位相感知検出器または同期復調器、４２：ク
ロツク、４４：対数比モジユール。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 一酸化炭素分子によつて吸収される赤外線
    ビームを発生する単一の赤外線源と、 該赤外線源からの赤外線ビームを２つに分割し
    て第１及び第２の経路に沿うように指向するビー
    ム分割手段と、 前記第１の経路中にあり、一酸化炭素について
    試験されるべきガスが供給される測定室と、 前記第２の経路中にある基準室と、 前記測定室と基準室との間に接続され、一酸化
    炭素を二酸化炭素に変換するための反応室であつ
    て、前記測定室から前記ガスを受入れ、このガス
    中の一酸化炭素を二酸化炭素に変換して前記基準
    室に供給する反応室と、 前記第１の経路中にあり、前記分割された赤外
    線ビームの一方を時間的に断続した状態で前記測
    定室を透過させる第１の赤外線透過手段と、 前記第２の経路中にあり、前記分割された赤外
    線ビームの他方を、前記一方のビームと時間的に
    交互する状態で前記基準室を透過させる第２の赤
    外線透過手段と、 前記測定室及び基準室を透過した赤外線ビーム
    が時間的に交互に入射し、該入射赤外線ビームを
    電気信号に変換する単一の赤外線検出器と、 該検出器に接続され、前記測定室及び基準室を
    透過した前記２つの赤外線ビームの差を検出し、
    この差から前記測定室に供給されたガスの一酸化
    炭素濃度を決定する回路手段 とを具備し、 一酸化炭素について試験されるべきガスが分割
    されることなく前記測定室を経て前記基準室に供
    給されることを特徴とする一酸化炭素検出器。 (2) 前記ビーム分割手段が前記赤外線源から赤
    外線を受け入れ、該赤外線の半分を前記測定室に
    、該赤外線の半分を前記基準室に、それぞれ供給
    するためのビーム分割器からなる実用新案登録請
    求の範囲第１項記載の一酸化炭素検出器。 (3) 前記第１および第２の経路のそれぞれに、
    赤外線を前記赤外線検出器に反射するための赤外
    線反射器が設けられている実用新案登録請求の範
    囲第１項記載の一酸化炭素検出器。 (4) 前記反応室が一酸化炭素を二酸化炭素に触
    媒変換するための触媒室からなる実用新案登録請
    求の範囲第１項記載の一酸化炭素検出器。 (5) 前記回路手段が次の関数 Ｃ１＝Ａ１＋Ａ２ｌｎＩＯＵＴ−２ＩＯＵＴ
    −１ ただし、Ａ１およびＡ２は較正定数であり、Ｉ
    ＯＵＴ―２は前記第２の経路から前記検出器に供
    給される赤外線であり、ＩＯＵＴ―１は前記第１
    の経路から前記検出器に供給される赤外線である
    、 に従つて一酸化炭素濃度Ｃ１を確立するための回
    路素子からなる実用新案登録請求の範囲第１項記
    載の一酸化炭素検出器。 (6) 前記赤外線透過手段のそれぞれが赤外線を
    前記測定室および基準室に、逐次に異なる時間に
    、それぞれ伝送するためのポツケルス効果チヨツ
    パーを含む実用新案登録請求の範囲第１項記載の
    一酸化炭素検出器。
JP1989120641U 1982-09-30 1989-10-17 Pending JPH0265154U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43143082A 1982-09-30 1982-09-30

Publications (1)

Publication Number Publication Date
JPH0265154U true JPH0265154U (ja) 1990-05-16

Family

ID=23711907

Family Applications (2)

Application Number Title Priority Date Filing Date
JP58178338A Pending JPS59116532A (ja) 1982-09-30 1983-09-28 一酸化炭素検出器
JP1989120641U Pending JPH0265154U (ja) 1982-09-30 1989-10-17

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP58178338A Pending JPS59116532A (ja) 1982-09-30 1983-09-28 一酸化炭素検出器

Country Status (6)

Country Link
EP (1) EP0105659B1 (ja)
JP (2) JPS59116532A (ja)
AU (1) AU559953B2 (ja)
CA (1) CA1188128A (ja)
DE (1) DE3372130D1 (ja)
IN (1) IN161514B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10281988A (ja) * 1997-04-09 1998-10-23 Nippon Sanso Kk ガス分析方法及びガス分析装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH667738A5 (de) * 1984-04-04 1988-10-31 Cerberus Ag Verfahren und vorrichtung zum nachweis von kohlenmonoxid.
DE4119346C2 (de) * 1991-06-12 2000-12-07 Klaus Nonnenmacher Verfahren zur Bestimmung der Konzentration von Gasen, insbesondere von Ozon, und Vorrichtung zur Durchführung des Verfahrens
US5900533A (en) * 1995-08-03 1999-05-04 Trw Inc. System and method for isotope ratio analysis and gas detection by photoacoustics
US20080021119A1 (en) 2006-07-18 2008-01-24 Norbeck Joseph M Operation of a steam methane reformer by direct feeding of steam rich producer gas from steam hydro-gasification
US8603430B2 (en) 2002-02-05 2013-12-10 The Regents Of The University Of California Controlling the synthesis gas composition of a steam methane reformer
US7754491B2 (en) * 2005-12-09 2010-07-13 The Regents Of The University Of Calif. Sensor for measuring syngas ratios under high temperature and pressure conditions
US10732106B2 (en) * 2018-02-02 2020-08-04 Honeywell International Inc. Two detector gas detection system
CN118962018B (zh) * 2024-08-02 2025-04-18 深圳市佳时迈启科技有限公司 一种可调节式的一氧化碳探测器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014139A (ja) * 1973-06-11 1975-02-14
JPS5310228U (ja) * 1976-07-09 1978-01-27
JPS541276U (ja) * 1977-06-06 1979-01-06

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2070388A5 (ja) * 1969-12-03 1971-09-10 Air Liquide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014139A (ja) * 1973-06-11 1975-02-14
JPS5310228U (ja) * 1976-07-09 1978-01-27
JPS541276U (ja) * 1977-06-06 1979-01-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10281988A (ja) * 1997-04-09 1998-10-23 Nippon Sanso Kk ガス分析方法及びガス分析装置

Also Published As

Publication number Publication date
JPS59116532A (ja) 1984-07-05
AU1864483A (en) 1984-04-05
EP0105659B1 (en) 1987-06-16
DE3372130D1 (en) 1987-07-23
EP0105659A3 (en) 1984-12-27
AU559953B2 (en) 1987-03-26
IN161514B (ja) 1987-12-19
CA1188128A (en) 1985-06-04
EP0105659A2 (en) 1984-04-18

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