CN108132229B - 基于时分复用的tdlas变压器油中溶解气体成分测量*** - Google Patents
基于时分复用的tdlas变压器油中溶解气体成分测量*** Download PDFInfo
- Publication number
- CN108132229B CN108132229B CN201711432485.1A CN201711432485A CN108132229B CN 108132229 B CN108132229 B CN 108132229B CN 201711432485 A CN201711432485 A CN 201711432485A CN 108132229 B CN108132229 B CN 108132229B
- Authority
- CN
- China
- Prior art keywords
- laser
- converter
- signal
- gas
- group
- 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
- 238000005259 measurement Methods 0.000 title claims abstract description 26
- 238000000041 tunable diode laser absorption spectroscopy Methods 0.000 title claims abstract description 19
- 239000000203 mixture Substances 0.000 title claims description 4
- 239000007789 gas Substances 0.000 claims description 83
- 239000013307 optical fiber Substances 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 7
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 6
- 239000012510 hollow fiber Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 17
- 238000001514 detection method Methods 0.000 description 16
- 230000003595 spectral effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000012886 linear function Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000357 thermal conductivity detection Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001285 laser absorption spectroscopy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000004867 photoacoustic spectroscopy Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711432485.1A CN108132229B (zh) | 2017-12-26 | 2017-12-26 | 基于时分复用的tdlas变压器油中溶解气体成分测量*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711432485.1A CN108132229B (zh) | 2017-12-26 | 2017-12-26 | 基于时分复用的tdlas变压器油中溶解气体成分测量*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108132229A CN108132229A (zh) | 2018-06-08 |
CN108132229B true CN108132229B (zh) | 2020-10-23 |
Family
ID=62393169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711432485.1A Active CN108132229B (zh) | 2017-12-26 | 2017-12-26 | 基于时分复用的tdlas变压器油中溶解气体成分测量*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108132229B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109782141A (zh) * | 2019-02-02 | 2019-05-21 | 重庆大学 | 一种基于光纤fp谐振腔的变压器油中故障气体原位在线监测装置 |
CN110470625A (zh) * | 2019-08-26 | 2019-11-19 | 中国计量大学 | 一种甲烷气体浓度检测装置 |
CN115326752B (zh) * | 2022-08-05 | 2024-02-27 | 湖南五凌电力科技有限公司 | 一种气体浓度标定方法和装置 |
CN115494020B (zh) * | 2022-09-30 | 2024-02-23 | 湖南五凌电力科技有限公司 | 痕量气体检测方法、装置及*** |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101477042A (zh) * | 2009-01-09 | 2009-07-08 | 武汉电信器件有限公司 | 基于光谱吸收的煤矿瓦斯多点在线检测装置 |
CN101738382A (zh) * | 2008-11-14 | 2010-06-16 | 香港理工大学 | 变压器故障气体监测***及方法 |
CN103323422A (zh) * | 2013-05-22 | 2013-09-25 | 天津大学 | 基于光子晶体光纤的混合气体浓度检测方法与装置 |
CN105806806A (zh) * | 2016-05-12 | 2016-07-27 | 河南省日立信股份有限公司 | 一种基于tdlas技术的逃逸氨浓度检测装置和方法 |
CN106680218A (zh) * | 2016-12-29 | 2017-05-17 | 中国人民解放军国防科学技术大学 | 可用于气体浓度测量***的光纤衰荡腔、气体浓度测量***及方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9823184B1 (en) * | 2016-05-13 | 2017-11-21 | General Electric Company | Distributed gas detection system and method |
-
2017
- 2017-12-26 CN CN201711432485.1A patent/CN108132229B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101738382A (zh) * | 2008-11-14 | 2010-06-16 | 香港理工大学 | 变压器故障气体监测***及方法 |
CN101477042A (zh) * | 2009-01-09 | 2009-07-08 | 武汉电信器件有限公司 | 基于光谱吸收的煤矿瓦斯多点在线检测装置 |
CN103323422A (zh) * | 2013-05-22 | 2013-09-25 | 天津大学 | 基于光子晶体光纤的混合气体浓度检测方法与装置 |
CN105806806A (zh) * | 2016-05-12 | 2016-07-27 | 河南省日立信股份有限公司 | 一种基于tdlas技术的逃逸氨浓度检测装置和方法 |
CN106680218A (zh) * | 2016-12-29 | 2017-05-17 | 中国人民解放军国防科学技术大学 | 可用于气体浓度测量***的光纤衰荡腔、气体浓度测量***及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108132229A (zh) | 2018-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108132229B (zh) | 基于时分复用的tdlas变压器油中溶解气体成分测量*** | |
Jiang et al. | TDLAS-based detection of dissolved methane in power transformer oil and field application | |
US7499169B2 (en) | Fuel cell and product of combustion humidity sensor | |
CN204924934U (zh) | 基于两种量子级联激光光谱的多组分气体同时检测装置 | |
Sur et al. | TDLAS-based sensors for in situ measurement of syngas composition in a pressurized, oxygen-blown, entrained flow coal gasifier | |
US20190195781A1 (en) | Photothermal interferometry apparatus and method | |
CN105277503A (zh) | 基于两种量子级联激光光谱的多组分气体同时检测装置及方法 | |
CN112748087A (zh) | 基于温度调谐吸收光谱技术的多组分检测装置及方法 | |
CN103364371A (zh) | 同轴式光热干涉的大气气溶胶吸收系数差分测量新方法 | |
Sun et al. | Highly sensitive acetylene detection based on a compact multi-pass gas cell and optimized wavelength modulation technique | |
Li et al. | Simultaneous standoff sensing for methane and hydrogen sulfide using wavelength-modulated laser absorption spectroscopy with non-cooperative target | |
CN110907384A (zh) | 一种基于傅里叶域光学相干吸收光谱技术的气体检测***及其工作方法 | |
CN110763632A (zh) | 一种变压器油中溶解气体的浓度检测*** | |
Chen et al. | An auto-correction laser photoacoustic spectrometer based on 2 f/1 f wavelength modulation spectroscopy | |
CN114397271A (zh) | 一种光谱分析温室气体的检测装置及方法 | |
CN104914058A (zh) | 一种多组份痕量气体浓度测量装置 | |
CN111157470A (zh) | 一种多激光器同时在线测量多组分气体含量的方法 | |
Wang et al. | Detection of gas concentration by correlation spectroscopy using a multi-wavelength fiber laser | |
CN103411923B (zh) | 一种采用双路可调谐激光吸收光谱技术的归一化降噪方法 | |
Wang et al. | Gas concentration sensing based on fiber loop ring-down spectroscopy: a review | |
CN117309764A (zh) | 一种基于积分腔的多气体浓度测量仪 | |
RU2679905C1 (ru) | Способ и система для измерения содержания водяного пара в природном газе | |
WO2008011140A2 (en) | Humidity sensor for fuel cells and combustion exhaust streams | |
Nishida et al. | Measurement of Water Vapor Concentration in Narrow Channel of PEFC Using Fiber-Optic Sensor Based on Laser Absorption Spectroscopy | |
CN110907376B (zh) | 一种基于光学相干吸收光谱技术的高空间分辨率分布式气体检测***及其工作方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Wan Yuan Inventor after: Hu Bian Inventor after: Xia Daixiong Inventor after: Dai Jingmin Inventor after: Li Zhao Inventor before: Dai Jingmin Inventor before: Xia Daixiong Inventor before: Li Zhao Inventor before: Hu Bian Inventor before: Wan Yuan |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: 410004 Hunan province Changsha City Wuling Road No. 188 Patentee after: HUNAN WULING POWER TECHNOLOGY Co.,Ltd. Address before: 150001 Harbin, Nangang, West District, large straight street, No. 92 Patentee before: HARBIN INSTITUTE OF TECHNOLOGY Patentee before: HUNAN WULING POWER TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right |