CN103299174B - 用于从光学吸收气体传感器中的led生成光脉冲的装置及方法 - Google Patents

用于从光学吸收气体传感器中的led生成光脉冲的装置及方法 Download PDF

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Publication number
CN103299174B
CN103299174B CN201180052287.7A CN201180052287A CN103299174B CN 103299174 B CN103299174 B CN 103299174B CN 201180052287 A CN201180052287 A CN 201180052287A CN 103299174 B CN103299174 B CN 103299174B
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China
Prior art keywords
led
current
pulse
output signal
pulses
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Expired - Fee Related
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CN201180052287.7A
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English (en)
Chinese (zh)
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CN103299174A (zh
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C·J·麦克格
D·R·吉布森
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Gas Sensing Solutions Ltd
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Gas Sensing Solutions Ltd
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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
    • G01N21/59—Transmissivity
    • G01N21/61—Non-dispersive gas analysers
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • 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
    • G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
    • 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
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed
    • 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
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1211—Correction signals for temperature
    • 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
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/127—Calibration; base line adjustment; drift compensation

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CN201180052287.7A 2010-11-01 2011-10-28 用于从光学吸收气体传感器中的led生成光脉冲的装置及方法 Expired - Fee Related CN103299174B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1018417.4 2010-11-01
GBGB1018417.4A GB201018417D0 (en) 2010-11-01 2010-11-01 Apparatus and method for generating light pulses from LEDs in optical absorption gas sensors
PCT/GB2011/052111 WO2012059744A1 (en) 2010-11-01 2011-10-28 Apparatus and method for generating light pulses from leds in optical absorption gas sensors

Publications (2)

Publication Number Publication Date
CN103299174A CN103299174A (zh) 2013-09-11
CN103299174B true CN103299174B (zh) 2016-04-06

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CN201180052287.7A Expired - Fee Related CN103299174B (zh) 2010-11-01 2011-10-28 用于从光学吸收气体传感器中的led生成光脉冲的装置及方法

Country Status (7)

Country Link
US (1) US9410886B2 (enExample)
EP (1) EP2635894B1 (enExample)
JP (1) JP5934713B2 (enExample)
CN (1) CN103299174B (enExample)
CA (1) CA2853963C (enExample)
GB (1) GB201018417D0 (enExample)
WO (1) WO2012059744A1 (enExample)

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EP3559637A1 (en) * 2016-12-23 2019-10-30 Eaton Intelligent Power Limited Gas sensor
EP3361232A1 (en) * 2017-02-09 2018-08-15 Koninklijke Philips N.V. Optical particle sensor and sensing method
US10118701B2 (en) * 2017-03-08 2018-11-06 B/E Aerospace, Inc. Aircraft cabin LED lighting system and lighting assembly
US11391476B2 (en) 2018-07-23 2022-07-19 Novinium, Inc. Method of identifying burning by monitoring water level and combustion analytes
US11231403B2 (en) 2018-10-16 2022-01-25 Novinium, Inc. Methods of using dilution of a second type to calibrate one or more sensors
US11208783B2 (en) * 2018-10-16 2021-12-28 Novintum, Inc. Methods of using triangulation to locate a manhole event in a system of underground vaults
US11231405B2 (en) 2018-10-16 2022-01-25 Novinium, Inc. Calibrationless operation method
US11035770B2 (en) 2018-10-16 2021-06-15 Novinium, Inc. Methods of using component mass balance to evaluate manhole events
US11054404B2 (en) 2018-10-16 2021-07-06 Novinium, Inc. Methods of using dilution of a first type to calibrate one or more sensors
JP7591568B2 (ja) * 2019-11-04 2024-11-28 アルコン インコーポレイティド デューティサイクルの光学検出を使用したパルスレーザ出力の測定
JP2021148784A (ja) 2020-03-16 2021-09-27 旭化成エレクトロニクス株式会社 ガスセンサモジュール
CN117957658B (zh) * 2021-01-11 2025-11-07 Ysi公司 用于改进传感器线性度的引入串扰电路
NZ813590A (en) * 2022-03-09 2024-12-20 Integrity Communications Solutions Inc In-line gas sensor and sensing methods

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WO2009019467A1 (en) * 2007-08-06 2009-02-12 Gas Sensing Solutions Limited Temperature compensation for gas detection
CN101688830A (zh) * 2007-07-03 2010-03-31 矿井安全装置公司 气体传感器及控制其光源的方法

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US5477853A (en) * 1992-12-01 1995-12-26 Somanetics Corporation Temperature compensation method and apparatus for spectroscopic devices
US6114700A (en) * 1998-03-31 2000-09-05 Anatel Corporation NDIR instrument
CN101040567A (zh) * 2004-05-14 2007-09-19 目标系统电子有限责任公司 稳定led的光辐射的温度相关性的方法
US20050269513A1 (en) * 2004-06-02 2005-12-08 Ianakiev Kiril D Apparatus and method for temperature correction and expanded count rate of inorganic scintillation detectors
CN101688830A (zh) * 2007-07-03 2010-03-31 矿井安全装置公司 气体传感器及控制其光源的方法
WO2009019467A1 (en) * 2007-08-06 2009-02-12 Gas Sensing Solutions Limited Temperature compensation for gas detection

Also Published As

Publication number Publication date
JP2013545094A (ja) 2013-12-19
US9410886B2 (en) 2016-08-09
GB201018417D0 (en) 2010-12-15
JP5934713B2 (ja) 2016-06-15
CN103299174A (zh) 2013-09-11
US20130271751A1 (en) 2013-10-17
WO2012059744A1 (en) 2012-05-10
CA2853963C (en) 2018-08-21
EP2635894A1 (en) 2013-09-11
CA2853963A1 (en) 2012-05-10
EP2635894B1 (en) 2020-01-15

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