CN107703075A - 基于光纤传感的分布式甲烷气体浓度检测装置 - Google Patents
基于光纤传感的分布式甲烷气体浓度检测装置 Download PDFInfo
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- CN107703075A CN107703075A CN201710935123.8A CN201710935123A CN107703075A CN 107703075 A CN107703075 A CN 107703075A CN 201710935123 A CN201710935123 A CN 201710935123A CN 107703075 A CN107703075 A CN 107703075A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 239000000835 fiber Substances 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 49
- 238000005516 engineering process Methods 0.000 description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
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
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/3504—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
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
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- 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
- G01N2201/08—Optical fibres; light guides
- G01N2201/088—Using a sensor fibre
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (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 (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710935123.8A CN107703075A (zh) | 2017-10-10 | 2017-10-10 | 基于光纤传感的分布式甲烷气体浓度检测装置 |
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CN201710935123.8A CN107703075A (zh) | 2017-10-10 | 2017-10-10 | 基于光纤传感的分布式甲烷气体浓度检测装置 |
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CN107703075A true CN107703075A (zh) | 2018-02-16 |
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CN201710935123.8A Pending CN107703075A (zh) | 2017-10-10 | 2017-10-10 | 基于光纤传感的分布式甲烷气体浓度检测装置 |
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CN (1) | CN107703075A (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109459393A (zh) * | 2018-12-25 | 2019-03-12 | 厦门蓝海之光科技有限公司 | 特定气体多位置检测系统 |
CN111189799A (zh) * | 2018-11-14 | 2020-05-22 | 汉泰黄石科技有限公司 | 激光气体监测系统 |
CN114235018A (zh) * | 2021-12-09 | 2022-03-25 | 山东微感光电子有限公司 | 一种温度自适应的fbg解调方法及系统 |
US20220113290A1 (en) * | 2018-07-30 | 2022-04-14 | Seekops Inc. | Ultra-lightweight, handheld gas leak detection device |
US11988598B2 (en) | 2019-12-31 | 2024-05-21 | Seekops Inc. | Optical cell cleaner |
US11994464B2 (en) | 2020-04-01 | 2024-05-28 | Seekops Inc. | Analog signal processing for a lightweight and compact laser-based trace gas sensor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1793864A (zh) * | 2006-01-17 | 2006-06-28 | 浙江大学 | 基于光纤布拉格光栅的甲烷分布式传感方法及设备 |
CN101281127A (zh) * | 2008-05-06 | 2008-10-08 | 中国科学院安徽光学精密机械研究所 | 一种光纤分布式多点瓦斯实时监测仪及监测方法 |
CN202216902U (zh) * | 2011-08-05 | 2012-05-09 | 安徽中科瀚海光电技术发展有限公司 | 分布式激光甲烷监测系统 |
CN103439291A (zh) * | 2013-08-09 | 2013-12-11 | 国家安全生产监督管理总局通信信息中心 | 一种基于tdlas的分布式光纤甲烷监测系统 |
-
2017
- 2017-10-10 CN CN201710935123.8A patent/CN107703075A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1793864A (zh) * | 2006-01-17 | 2006-06-28 | 浙江大学 | 基于光纤布拉格光栅的甲烷分布式传感方法及设备 |
CN101281127A (zh) * | 2008-05-06 | 2008-10-08 | 中国科学院安徽光学精密机械研究所 | 一种光纤分布式多点瓦斯实时监测仪及监测方法 |
CN202216902U (zh) * | 2011-08-05 | 2012-05-09 | 安徽中科瀚海光电技术发展有限公司 | 分布式激光甲烷监测系统 |
CN103439291A (zh) * | 2013-08-09 | 2013-12-11 | 国家安全生产监督管理总局通信信息中心 | 一种基于tdlas的分布式光纤甲烷监测系统 |
Non-Patent Citations (3)
Title |
---|
付华 等: "新型光学谐振腔甲烷传感器的研究", 《传感器与微系统》 * |
周孟然 等: "分布式光纤传感瓦斯气体系统的研究", 《中国安全科学学报》 * |
彭吉虎 等: "《光纤技术及应用》", 30 June 1995, 北京理工大学出版社 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220113290A1 (en) * | 2018-07-30 | 2022-04-14 | Seekops Inc. | Ultra-lightweight, handheld gas leak detection device |
CN111189799A (zh) * | 2018-11-14 | 2020-05-22 | 汉泰黄石科技有限公司 | 激光气体监测系统 |
CN109459393A (zh) * | 2018-12-25 | 2019-03-12 | 厦门蓝海之光科技有限公司 | 特定气体多位置检测系统 |
US11988598B2 (en) | 2019-12-31 | 2024-05-21 | Seekops Inc. | Optical cell cleaner |
US11994464B2 (en) | 2020-04-01 | 2024-05-28 | Seekops Inc. | Analog signal processing for a lightweight and compact laser-based trace gas sensor |
CN114235018A (zh) * | 2021-12-09 | 2022-03-25 | 山东微感光电子有限公司 | 一种温度自适应的fbg解调方法及系统 |
CN114235018B (zh) * | 2021-12-09 | 2023-08-08 | 山东微感光电子有限公司 | 一种温度自适应的fbg解调方法及系统 |
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