JP2021032597A - ガス分析計 - Google Patents
ガス分析計 Download PDFInfo
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- JP2021032597A JP2021032597A JP2019149998A JP2019149998A JP2021032597A JP 2021032597 A JP2021032597 A JP 2021032597A JP 2019149998 A JP2019149998 A JP 2019149998A JP 2019149998 A JP2019149998 A JP 2019149998A JP 2021032597 A JP2021032597 A JP 2021032597A
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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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/0332—Cuvette constructions with temperature control
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
- G01N2021/396—Type of laser source
- G01N2021/399—Diode laser
-
- 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
- G01N2201/06113—Coherent sources; lasers
- G01N2201/0612—Laser diodes
-
- 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
- G01N2201/063—Illuminating optical parts
- G01N2201/0636—Reflectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
2 測定セル
3 内管
4 外管
5 二重管
5a 二重管の軸方向一端部
5b 二重管の軸方向他端部
6 反射体
7 端部材
8 内管フランジ
9 外管フランジ
10 連結具
11 供給プラグ
12 排出プラグ
13 供給路
14 排出路
15 窓
16 枠部材
17 発光部
18 受光部
19 分析計本体
20 温度センサ
21 流入口
21a、21b 切欠き部
22 流出口
22a 切欠き部
23 外部材
23a 外筒
23b 外フランジ
24 締結具
25 中部材
25a 中筒
25b 中フランジ
26 枠体
27 連結具
28 内部材
28a 内筒
28b 内フランジ
28c 端部壁
28d 取付口
29 導入口
30 温度調節器
31 加熱部材
32 断熱部材
G 測定ガス
L 光
O 中心軸線
Claims (9)
- 測定セル内に導入された測定ガスに光を照射するとともに前記測定ガスを通過した光を受光することにより前記測定ガス中の所定成分を測定するガス分析計であって、
前記測定セルを構成する内管と前記内管を囲繞する外管とで構成されるとともに、前記内管と前記外管との間を通して前記内管内に前記測定ガスが導入される二重管を有するガス分析計。 - 前記二重管の温度を調節する温度調節器を有する、請求項1に記載のガス分析計。
- 前記温度調節器が、前記外管の外周面に配置された加熱部材を有する、請求項2に記載のガス分析計。
- 前記加熱部材が前記外管の外周面にコイル状に巻き付けられている、請求項3に記載のガス分析計。
- 前記外管を囲繞する断熱部材を有する、請求項1〜4のいずれか一項に記載のガス分析計。
- 前記測定セルが、前記光を反射する反射体を備えるとともに前記二重管の軸方向一端部に位置する端部材を有する、請求項1〜5のいずれか一項に記載のガス分析計。
- 前記端部材が、前記内管と前記外管との間から前記測定ガスを前記反射体の裏側に流入させる流入口と、前記反射体の前記裏側から前記測定ガスを前記内管内に流出させる流出口と、前記反射体の前記裏側に配置された温度センサとを有する、請求項6に記載のガス分析計。
- 前記二重管の前記軸方向一端部が、前記内管と前記外管との間から前記内管内に前記測定ガスを導入する導入口を形成する、請求項6又は7に記載のガス分析計。
- 波長可変ダイオードレーザ吸収分光法を用いたレーザガス分析計である、請求項1〜8のいずれか一項に記載のガス分析計。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019149998A JP7099416B2 (ja) | 2019-08-19 | 2019-08-19 | ガス分析計 |
EP20183199.7A EP3783337B1 (en) | 2019-08-19 | 2020-06-30 | Gas analyzer |
US16/921,022 US20210055214A1 (en) | 2019-08-19 | 2020-07-06 | Gas analyzer |
CN202010661392.1A CN112394046A (zh) | 2019-08-19 | 2020-07-10 | 气体分析仪 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019149998A JP7099416B2 (ja) | 2019-08-19 | 2019-08-19 | ガス分析計 |
Publications (2)
Publication Number | Publication Date |
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JP2021032597A true JP2021032597A (ja) | 2021-03-01 |
JP7099416B2 JP7099416B2 (ja) | 2022-07-12 |
Family
ID=71409213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019149998A Active JP7099416B2 (ja) | 2019-08-19 | 2019-08-19 | ガス分析計 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210055214A1 (ja) |
EP (1) | EP3783337B1 (ja) |
JP (1) | JP7099416B2 (ja) |
CN (1) | CN112394046A (ja) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52159277U (ja) * | 1976-05-28 | 1977-12-03 | ||
JPS53158288U (ja) * | 1977-05-19 | 1978-12-12 | ||
JPS60344A (ja) * | 1983-06-15 | 1985-01-05 | Fujitsu Ltd | 光学装置 |
JP2002267102A (ja) * | 2001-03-07 | 2002-09-18 | Mitsubishi Heavy Ind Ltd | 電気式蒸発器 |
EP1724567A1 (en) * | 2005-05-17 | 2006-11-22 | Nitrex Metal Inc | Apparatus and method for controlling atmospheres in heat treating of metals |
WO2010146079A1 (de) * | 2009-06-19 | 2010-12-23 | Siemens Aktiengesellschaft | Beheizbare durchflussmesszelle |
JP2011013126A (ja) * | 2009-07-03 | 2011-01-20 | Shimadzu Corp | ガス濃度測定装置 |
WO2012126469A1 (en) * | 2011-03-23 | 2012-09-27 | Danfoss Ixa A/S | Gas sensor with vortex |
DE102016101720A1 (de) * | 2016-02-01 | 2017-08-03 | Sick Ag | Vorrichtung zur optischen in-situ Gasanalyse |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010236877A (ja) | 2009-03-30 | 2010-10-21 | Chubu Electric Power Co Inc | 排ガス中のアンモニア濃度の測定装置、および測定方法 |
DE202017001743U1 (de) * | 2017-03-31 | 2017-05-08 | Siemens Aktiengesellschaft | Gasanalysator |
-
2019
- 2019-08-19 JP JP2019149998A patent/JP7099416B2/ja active Active
-
2020
- 2020-06-30 EP EP20183199.7A patent/EP3783337B1/en active Active
- 2020-07-06 US US16/921,022 patent/US20210055214A1/en not_active Abandoned
- 2020-07-10 CN CN202010661392.1A patent/CN112394046A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52159277U (ja) * | 1976-05-28 | 1977-12-03 | ||
JPS53158288U (ja) * | 1977-05-19 | 1978-12-12 | ||
JPS60344A (ja) * | 1983-06-15 | 1985-01-05 | Fujitsu Ltd | 光学装置 |
JP2002267102A (ja) * | 2001-03-07 | 2002-09-18 | Mitsubishi Heavy Ind Ltd | 電気式蒸発器 |
EP1724567A1 (en) * | 2005-05-17 | 2006-11-22 | Nitrex Metal Inc | Apparatus and method for controlling atmospheres in heat treating of metals |
WO2010146079A1 (de) * | 2009-06-19 | 2010-12-23 | Siemens Aktiengesellschaft | Beheizbare durchflussmesszelle |
JP2011013126A (ja) * | 2009-07-03 | 2011-01-20 | Shimadzu Corp | ガス濃度測定装置 |
WO2012126469A1 (en) * | 2011-03-23 | 2012-09-27 | Danfoss Ixa A/S | Gas sensor with vortex |
DE102016101720A1 (de) * | 2016-02-01 | 2017-08-03 | Sick Ag | Vorrichtung zur optischen in-situ Gasanalyse |
Also Published As
Publication number | Publication date |
---|---|
CN112394046A (zh) | 2021-02-23 |
EP3783337A1 (en) | 2021-02-24 |
JP7099416B2 (ja) | 2022-07-12 |
EP3783337B1 (en) | 2023-08-02 |
US20210055214A1 (en) | 2021-02-25 |
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