JP7298640B2 - ガス分析計 - Google Patents
ガス分析計 Download PDFInfo
- Publication number
- JP7298640B2 JP7298640B2 JP2021058447A JP2021058447A JP7298640B2 JP 7298640 B2 JP7298640 B2 JP 7298640B2 JP 2021058447 A JP2021058447 A JP 2021058447A JP 2021058447 A JP2021058447 A JP 2021058447A JP 7298640 B2 JP7298640 B2 JP 7298640B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- gas analyzer
- axis
- holding member
- emitting element
- 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.)
- Active
Links
Images
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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- 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
-
- 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
-
- 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
- G01N21/031—Multipass arrangements
- G01N2021/0314—Double pass, autocollimated path
-
- 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N2021/8578—Gaseous flow
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
2 発光素子
3 測定ガス
4 光
5 受光素子
6 光送受信部
7 反射部
8 第1ハウジング
9 流路壁
10 アライメントフランジ
11 第2ハウジング
12 ベース部材
12a 被接触面
12b 受容部材
12c 枠部材
12d 対向壁
13 保持部材
13a 接触面
14 発光部
15 X’軸周り調節ねじ
16 Y’軸周り調節ねじ
17 X方向調節ねじ
18 Y方向調節ねじ
O 球面中心
Claims (7)
- 発光素子から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、
前記発光素子の光軸に平行でない少なくとも1つの軸線に沿って位置調節可能なベース部材と、
前記光軸に平行でない少なくとも1つの軸線を中心に角度調節可能に前記ベース部材に保持されるとともに前記発光素子を保持する保持部材と、を有し、
前記保持部材が接触面を有し、
前記ベース部材が、前記保持部材の前記接触面が接触する被接触面を有する受容部材と、前記受容部材に一体に取り付けられる枠部材と、を有し、
前記接触面と前記被接触面との少なくとも一方が球面に沿う形状をなし、
前記枠部材が対向壁を有し、
前記対向壁には、前記軸線を中心に前記保持部材を角度調節可能な2つの調節ねじが進退可能に取り付けられ、当該2つの調節ねじの先端と前記被接触面とによって前記保持部材が挟持される、
ガス分析計。 - 前記ベース部材、前記保持部材及び前記発光素子をそれぞれ備える複数の発光部を有する、請求項1に記載のガス分析計。
- 前記発光素子から照射される前記光を反射することで前記光を前記測定ガス中を往復させる反射部を有する、請求項1又は2に記載のガス分析計。
- 前記ベース部材、前記保持部材及び前記発光素子を備える発光部と、前記発光素子から照射される前記光を反射することで前記光を前記測定ガス中を往復させる反射部とが、前記測定ガスの流路を形成する流路壁に別個に取り付けられる、請求項1~3の何れか1項に記載のガス分析計。
- 前記保持部材が、前記光軸に平行でない少なくとも2つの軸線を中心に角度調節可能に前記ベース部材に保持される、請求項1~4の何れか1項に記載のガス分析計。
- 前記ベース部材が、前記光軸に平行でない少なくとも2つの軸線に沿って位置調節可能である、請求項1~5の何れか1項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る、請求項1~6の何れか1項に記載のガス分析計。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021058447A JP7298640B2 (ja) | 2021-03-30 | 2021-03-30 | ガス分析計 |
EP22164144.2A EP4067876A1 (en) | 2021-03-30 | 2022-03-24 | Gas analyzer |
US17/656,576 US11774358B2 (en) | 2021-03-30 | 2022-03-25 | Gas analyzer |
CN202210316164.XA CN115144366A (zh) | 2021-03-30 | 2022-03-29 | 气体分析仪 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021058447A JP7298640B2 (ja) | 2021-03-30 | 2021-03-30 | ガス分析計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022155108A JP2022155108A (ja) | 2022-10-13 |
JP7298640B2 true JP7298640B2 (ja) | 2023-06-27 |
Family
ID=80933140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021058447A Active JP7298640B2 (ja) | 2021-03-30 | 2021-03-30 | ガス分析計 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11774358B2 (ja) |
EP (1) | EP4067876A1 (ja) |
JP (1) | JP7298640B2 (ja) |
CN (1) | CN115144366A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2024126576A (ja) * | 2023-03-07 | 2024-09-20 | 横河電機株式会社 | ガス分析装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000171736A (ja) | 1998-12-08 | 2000-06-23 | Sankyo Seiki Mfg Co Ltd | 光伝送モジュールおよび光伝送システム |
JP2002286969A (ja) | 2001-03-28 | 2002-10-03 | Seiko Instruments Inc | 光機能モジュール用コリメータ・ブロック |
CN109540800A (zh) | 2018-12-27 | 2019-03-29 | 皖江新兴产业技术发展中心 | 一种用于高温气体探测的激光多次反射吸收池 |
JP2019184523A (ja) | 2018-04-16 | 2019-10-24 | 横河電機株式会社 | ガス分析装置 |
JP2019184368A (ja) | 2018-04-06 | 2019-10-24 | 横河電機株式会社 | ガス分析装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59226309A (ja) * | 1983-06-07 | 1984-12-19 | Fujitsu Ltd | 光伝送路部品の固着構造 |
US4655548A (en) * | 1984-10-22 | 1987-04-07 | Grumman Aerospace Corporation | Multi-degree of freedom mount |
US5303035A (en) * | 1992-05-04 | 1994-04-12 | New Focus, Inc. | Precision micropositioner |
JP2003022542A (ja) * | 2001-07-10 | 2003-01-24 | Nec Corp | 半導体レーザの固定機構および光ヘッド装置 |
JP6416453B2 (ja) * | 2011-08-12 | 2018-10-31 | 株式会社堀場製作所 | ガス分析装置 |
-
2021
- 2021-03-30 JP JP2021058447A patent/JP7298640B2/ja active Active
-
2022
- 2022-03-24 EP EP22164144.2A patent/EP4067876A1/en active Pending
- 2022-03-25 US US17/656,576 patent/US11774358B2/en active Active
- 2022-03-29 CN CN202210316164.XA patent/CN115144366A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000171736A (ja) | 1998-12-08 | 2000-06-23 | Sankyo Seiki Mfg Co Ltd | 光伝送モジュールおよび光伝送システム |
JP2002286969A (ja) | 2001-03-28 | 2002-10-03 | Seiko Instruments Inc | 光機能モジュール用コリメータ・ブロック |
JP2019184368A (ja) | 2018-04-06 | 2019-10-24 | 横河電機株式会社 | ガス分析装置 |
JP2019184523A (ja) | 2018-04-16 | 2019-10-24 | 横河電機株式会社 | ガス分析装置 |
CN109540800A (zh) | 2018-12-27 | 2019-03-29 | 皖江新兴产业技术发展中心 | 一种用于高温气体探测的激光多次反射吸收池 |
Also Published As
Publication number | Publication date |
---|---|
US20220317040A1 (en) | 2022-10-06 |
JP2022155108A (ja) | 2022-10-13 |
US11774358B2 (en) | 2023-10-03 |
CN115144366A (zh) | 2022-10-04 |
EP4067876A1 (en) | 2022-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6781248B2 (ja) | 気体監視システム及び対象気体の特性を判定する方法 | |
US8199786B2 (en) | Laser diode structure with reduced interference signals | |
US10871398B2 (en) | Gas analyzer | |
JP7298640B2 (ja) | ガス分析計 | |
CN107430033A (zh) | 傅里叶变换型分光光度计 | |
KR20190095365A (ko) | 가스 모니터 | |
JP4842852B2 (ja) | 光干渉式ガス濃度測定装置 | |
JP2006317349A (ja) | 光センシングシステム | |
JP2019200168A (ja) | 真直度測定装置 | |
JP6183227B2 (ja) | 挿入型ガス濃度測定装置 | |
JP4028814B2 (ja) | マッピング装置 | |
US12025502B2 (en) | Spectroscopic polarimeter and device for automatically adjusting optical path difference | |
EP2722705B1 (en) | Optical assembly and laser alignment apparatus | |
US11181475B2 (en) | Gas analysis device | |
JP4081317B2 (ja) | 波長較正用干渉測定装置 | |
JPH11344304A (ja) | レール変位量測定装置 | |
US20230369822A1 (en) | Optical kit and optical device | |
JP7340762B2 (ja) | 校正治具、校正方法、および、測定方法 | |
US20140111866A1 (en) | Optical assembly and laser alignment apparatus | |
KR102719224B1 (ko) | 교정 지그, 교정 방법, 및 측정 방법 | |
WO2024128960A1 (en) | Multipass spectroscopic absorption cell and gas sensor comprising such | |
JP2008286530A (ja) | 反射特性測定装置 | |
TW201224395A (en) | Linear axis rotation error measurement system | |
CN115575326A (zh) | 一种适用于宽带腔增强系统的光路调节装置和方法 | |
JP2018175707A (ja) | 検出装置、生体情報測定装置および検出方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220427 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230303 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230307 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230428 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230516 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230529 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7298640 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |