JP5580877B2 - 帯域通過フィルタを用いたセンサ - Google Patents
帯域通過フィルタを用いたセンサ Download PDFInfo
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- JP5580877B2 JP5580877B2 JP2012505049A JP2012505049A JP5580877B2 JP 5580877 B2 JP5580877 B2 JP 5580877B2 JP 2012505049 A JP2012505049 A JP 2012505049A JP 2012505049 A JP2012505049 A JP 2012505049A JP 5580877 B2 JP5580877 B2 JP 5580877B2
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- 238000011156 evaluation Methods 0.000 claims description 8
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
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- 239000002912 waste gas Substances 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
- G01N21/17—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
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
-
- 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
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/027—Control of working procedures of a spectrometer; Failure detection; Bandwidth calculation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
- G01J3/36—Investigating two or more bands of a spectrum by separate detectors
-
- 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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J2003/1213—Filters in general, e.g. dichroic, band
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J3/427—Dual wavelengths spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
Claims (12)
- フィルタ構成と、前記フィルタ構成の下流側に配置された検出器構成と、前記検出器構成に接続された評価デバイスとを有するセンサであって、
前記フィルタ構成は、
上限波長と下限波長とを有する被疑帯域内の波長を有する放射を通過させる被疑フィルタと、
少なくとも1つの基準フィルタを有するとともに、前記被疑帯域の上限波長より上の上側帯域と該被疑帯域の下限波長より下の下側帯域とを少なくとも含む基準帯域内の波長を有する放射を通過させる基準フィルタ・システムであって、この基準フィルタ・システムの各基準フィルタは前記基準帯域内の波長を有する放射を通過させるものであり、前記基準フィルタ・システムの前記基準帯域は前記各基準フィルタのそれぞれの帯域のすべてを含めた基準帯域である、基準フィルタ・システムと
を有し、
前記検出器構成は、それぞれが前記被疑フィルタと前記基準フィルタ・システムに関連付けられた少なくとも2つの検出器を有して前記放射の吸収に関係する情報を含む第1の検出信号S1と前記放射の吸収には影響されない第2の検出信号S2とを出力し、
前記センサは前記基準帯域が前記被疑帯域の両側に分布するとともに、該基準帯域の上側帯域と下側帯域とが異なる帯域幅となるよう該基準帯域の中心と被疑帯域の中心が不一致であり、さらに、
前記センサは、選択されたT0の周りでdS3(T)/dTが最小となるよう構成され、
前記T0は任意選択で発生源標準温度であり、
前記S3は、S3=S1/(S2−S1)である、ことを特徴とするセンサ。 - 前記被疑帯域が、前記基準帯域に少なくとも部分的に重なる、請求項1に記載のセンサ。
- 前記基準フィルタ・システムが、第1の基準帯域を有する第1の基準フィルタである単一のフィルタを備える、請求項2に記載のセンサ。
- 前記被疑帯域および前記第1の基準帯域が、異なる中心波長を有する、請求項3に記載のセンサ。
- 前記被疑帯域のすべての波長も前記第1の基準帯域内にある、請求項3に記載のセンサ。
- 前記基準フィルタ・システムが第1の基準フィルタと第2の基準フィルタとを備え、前記2つの基準フィルタはそれぞれ前記上側帯域を含む第1の基準帯域および前記下側帯域を含む第2の基準帯域を有する、請求項1に記載のセンサ。
- 前記被疑帯域が、前記第1の基準帯域および前記第2の基準帯域の両方に少なくとも部分的に重なる、請求項6に記載のセンサ。
- 前記被疑帯域、前記第1の基準帯域、および前記第2の基準帯域のいずれも、共通の波長を含まない、請求項6に記載のセンサ。
- 前記第1および前記第2の基準帯域の平均または中間強度密度が同じである、前記請求項6〜8のいずれかに記載のセンサ。
- 前記被疑帯域の平均または中間強度密度が、前記第1および第2の基準帯域の平均または中間強度密度と同じである、請求項9に記載のセンサ。
- 任意の数の異なるガスを測定するために、任意の数の被疑フィルタを備えることができる、請求項1〜10のいずれかに記載のセンサ。
- 発生源標準温度T0を有する光源と、
フィルタ構成と、前記フィルタ構成の下流側に配置された検出器構成と、前記検出器構成に接続された評価デバイスとを有するセンサ・システムであって、
前記フィルタ構成は、
上限波長と下限波長とを有する被疑帯域内の波長を有する放射を通過させる被疑フィルタと、
少なくとも1つの基準フィルタを有するとともに、前記被疑帯域の上限波長より上の上側帯域と該被疑帯域の下限波長より下の下側帯域とを少なくとも含む基準帯域内の波長を有する放射を通過させる基準フィルタ・システムであって、この基準フィルタ・システムの各基準フィルタは前記基準帯域内の波長を有する放射を通過させるものであり、前記基準フィルタ・システムの前記基準帯域は前記各基準フィルタのそれぞれの帯域のすべてを含めた基準帯域である、基準フィルタ・システムと
を有し、
前記検出器構成は、それぞれが前記被疑フィルタと前記基準フィルタ・システムに関連付けられた少なくとも2つの検出器を有して前記放射の吸収に関係する情報を含む第1の検出信号S1と前記放射の吸収には影響されない第2の検出信号S2とを出力し、
前記センサ・システムは前記基準帯域が前記被疑帯域の両側に分布するとともに、該基準帯域の上側帯域と下側帯域とが異なる帯域幅となるよう該基準帯域の中心と被疑帯域の中心が不一致であり、さらに、dS3(T)/dTがT0の周りで少なくともほぼ最小となる(ここで、S3は、S3=S1/(S2−S1)である)ことを特徴とするセンサ・システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200900506 | 2009-04-17 | ||
DKPA200900506 | 2009-04-17 | ||
PCT/DK2010/000045 WO2010118748A1 (en) | 2009-04-17 | 2010-04-16 | Sensor utilizing band pass filters |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012524244A JP2012524244A (ja) | 2012-10-11 |
JP5580877B2 true JP5580877B2 (ja) | 2014-08-27 |
Family
ID=42278290
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Application Number | Title | Priority Date | Filing Date |
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JP2012505049A Expired - Fee Related JP5580877B2 (ja) | 2009-04-17 | 2010-04-16 | 帯域通過フィルタを用いたセンサ |
Country Status (9)
Country | Link |
---|---|
US (1) | US9329121B2 (ja) |
EP (1) | EP2419713B1 (ja) |
JP (1) | JP5580877B2 (ja) |
KR (1) | KR101385903B1 (ja) |
CN (1) | CN102460122B (ja) |
BR (1) | BRPI1011387A2 (ja) |
RU (1) | RU2493554C2 (ja) |
WO (1) | WO2010118748A1 (ja) |
ZA (1) | ZA201108073B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012126469A1 (en) | 2011-03-23 | 2012-09-27 | Danfoss Ixa A/S | Gas sensor with vortex |
WO2012126471A2 (en) | 2011-03-23 | 2012-09-27 | Danfoss Ixa A/S | Modular gas sensor |
EP2694806A1 (en) | 2011-03-23 | 2014-02-12 | Danfoss IXA A/S | High temperature gas sensor |
DE202011102765U1 (de) | 2011-07-02 | 2012-08-02 | Dräger Safety AG & Co. KGaA | Vorrichtung mit einer Messanordnung zur infrarot-optischen Messung von Gasen und Gasgemischen mit Kompensation von Umgebungseinflüssen |
USD792677S1 (en) | 2013-09-15 | 2017-07-25 | Ingrid & Isabel, Llc | Crossover maternity panel |
US10226083B2 (en) | 2013-09-15 | 2019-03-12 | Ingrid & Isabel, Llc | Crossover maternity panel with insert |
JP6202440B2 (ja) * | 2014-01-20 | 2017-09-27 | パナソニックIpマネジメント株式会社 | 赤外線式ガスセンサ |
DE102016219689A1 (de) * | 2016-10-11 | 2018-04-12 | Robert Bosch Gmbh | Verfahren und Steuereinrichtung zur Regelung einer Sauerstoff-Beladung eines Dreiwege-Katalysators |
CN108204857B (zh) * | 2016-12-17 | 2020-11-03 | 中国石油天然气股份有限公司 | 振动信号检测系统及其装配方法 |
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RU2029288C1 (ru) * | 1992-06-30 | 1995-02-20 | Сибирский физико-технический институт им.В.Д.Кузнецова при Томском государственном университете | Газоанализатор |
JP3078983B2 (ja) | 1994-03-30 | 2000-08-21 | 株式会社堀場製作所 | 油分濃度計 |
US5650624A (en) | 1995-04-13 | 1997-07-22 | Engelhard Sensor Technologies, Inc. | Passive infrared analysis gas sensor |
US5721430A (en) | 1995-04-13 | 1998-02-24 | Engelhard Sensor Technologies Inc. | Passive and active infrared analysis gas sensors and applicable multichannel detector assembles |
RU5030U1 (ru) * | 1996-04-25 | 1997-09-16 | Российский научно-исследовательский институт "Электронстандарт" | Оптический абсорбционный газоанализатор |
US5995008A (en) * | 1997-05-07 | 1999-11-30 | Detector Electronics Corporation | Fire detection method and apparatus using overlapping spectral bands |
DE19835335C1 (de) | 1998-08-05 | 1999-11-25 | Draeger Sicherheitstech Gmbh | Infrarotoptischer Gassensor |
JP2003014639A (ja) | 2001-07-04 | 2003-01-15 | Yokogawa Electric Corp | ガス濃度測定装置 |
JP3471342B2 (ja) | 2001-11-30 | 2003-12-02 | 国際技術開発株式会社 | 炎感知器 |
US20030147080A1 (en) | 2002-02-05 | 2003-08-07 | Detector Electronics Corporation | Method & apparatus for open path gas detection |
RU2238541C1 (ru) * | 2003-04-08 | 2004-10-20 | Физико-технический институт им. А.Ф. Иоффе РАН | Способ оптического определения содержания компонентов газовой среды |
JP2007524828A (ja) * | 2003-06-20 | 2007-08-30 | アイギス セミコンダクター インコーポレイテッド | 熱光学フィルタ及びそれを用いた赤外線センサ |
JP4058005B2 (ja) | 2004-02-06 | 2008-03-05 | 株式会社堀場製作所 | 赤外線ガス分析計の校正方法 |
JP2005257358A (ja) | 2004-03-10 | 2005-09-22 | Matsushita Electric Ind Co Ltd | ガス測定装置およびガス測定方法 |
DE102004028433B4 (de) | 2004-06-14 | 2006-08-31 | Danfoss A/S | IR-Sensor, insbesondere CO2-Sensor |
JP2006038721A (ja) | 2004-07-29 | 2006-02-09 | Denso Corp | ガス濃度検出装置 |
CN100590418C (zh) | 2007-12-29 | 2010-02-17 | 北京航空航天大学 | 一种二氧化碳气体分析仪及其分析方法 |
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2010
- 2010-04-16 CN CN201080026867.4A patent/CN102460122B/zh not_active Expired - Fee Related
- 2010-04-16 EP EP10714563.3A patent/EP2419713B1/en not_active Not-in-force
- 2010-04-16 BR BRPI1011387A patent/BRPI1011387A2/pt not_active IP Right Cessation
- 2010-04-16 KR KR1020117027343A patent/KR101385903B1/ko active IP Right Grant
- 2010-04-16 WO PCT/DK2010/000045 patent/WO2010118748A1/en active Application Filing
- 2010-04-16 JP JP2012505049A patent/JP5580877B2/ja not_active Expired - Fee Related
- 2010-04-16 RU RU2011145873/28A patent/RU2493554C2/ru active
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RU2493554C2 (ru) | 2013-09-20 |
BRPI1011387A2 (pt) | 2016-04-05 |
CN102460122A (zh) | 2012-05-16 |
KR101385903B1 (ko) | 2014-04-15 |
US9329121B2 (en) | 2016-05-03 |
CN102460122B (zh) | 2014-03-12 |
RU2011145873A (ru) | 2013-06-27 |
EP2419713B1 (en) | 2019-01-02 |
EP2419713A1 (en) | 2012-02-22 |
JP2012524244A (ja) | 2012-10-11 |
US20120090379A1 (en) | 2012-04-19 |
ZA201108073B (en) | 2012-09-26 |
KR20120012471A (ko) | 2012-02-10 |
WO2010118748A1 (en) | 2010-10-21 |
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