Study on photoacoustic spectroscopy detection of coal mine gas

SONG Shao-lou; FAN Yong-feng; DING Yong-feng

doi:10.13873/j.1000-97872013.05.003

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Study on photoacoustic spectroscopy detection of coal mine gas

更新时间：2025-09-11

- Study on photoacoustic spectroscopy detection of coal mine gas
- Vol. 32, Issue 5, Pages: 64-67+73(2013)
- 作者机构：
  
  辽宁工程技术大学电气与控制工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872013.05.003
  CLC： TD712;TP274
- Published：2013
- 稿件说明：
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[1]宋绍楼,范永锋,丁永峰.煤矿瓦斯气体的光声光谱检测研究[J].传感器与微系统,2013,32(05):64-67+73.

SONG Shao-lou, FAN Yong-feng, DING Yong-feng. Study on photoacoustic spectroscopy detection of coal mine gas[J]. 2013, 32(5): 64-67+73.
[1]宋绍楼,范永锋,丁永峰.煤矿瓦斯气体的光声光谱检测研究[J].传感器与微系统,2013,32(05):64-67+73. DOI： 10.13873/j.1000-97872013.05.003.

SONG Shao-lou, FAN Yong-feng, DING Yong-feng. Study on photoacoustic spectroscopy detection of coal mine gas[J]. 2013, 32(5): 64-67+73. DOI： 10.13873/j.1000-97872013.05.003.

摘要

煤矿瓦斯（CH4）是一种可用于诊断煤矿安全生产的特征气体。光声光谱技术是一种新型的气体检测技术

具有选择性好、灵敏度高、动态监测范围大、不消耗被测气体等优点

能很好地应用到CH4气体的在线监测。基于光声光谱技术的基本原理

利用分布反馈半导体激光器构建一种用以检测CH4的光声光谱装置

利用该装置研究了气体光声信号与CH4浓度、温度、斩波频率、激光功率、背景气体、以及压强之间的关系

并测得甲烷在2ν3带的R（3）支的光声光谱。

Abstract

Coal mine gas CH4 is a characteristic gas which can be used for the diagnosis of coal mine safety production.Photoacoustic spectroscopy（PAS）is a new method for gas detection

which has high selectivity

high sensitivity

large dynamic detection range and not consuming the measured gas

and can be well applied to on-line monitoring of coal mine gas.Distributed feedback semiconductor laser is used to construct a PAS device for CH4 detection by which the relation between photoacoustic signal varies with the CH4 concentration

temperature

chopped frequency

laser power

background gas and gas pressure are investigated

and the photoacoustic spectrum of R（3）in the 2ν3 band of methane is gotten.

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references

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变压器油中甲烷气体的光声光谱检测方法 [J]. 云玉新,陈伟根,孙才新,潘翀. 中国电机工程学报 . 2008(34)

光声光谱技术应用于变压器油中溶解气体分析 [J]. 陈伟根,云玉新,潘翀,孙才新. 电力系统自动化 . 2007(15)

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基于差频激光源的微量气体光声光谱检测系统 [J]. 于清旭,CorneliaFischer,MarkusSigrist. 光电子·激光 . 2001(09)

Application of laser photoacoustic spectroscopy for the analysis of gas samples emitted by diesel engines [J] . D.U. Schramm,M.S. Sthel,M.G. da Silva,L.O. Carneiro,A.J.S. Junior,A.P. Souza,H. Vargas. Infrared Physics and Technology . 2003 (4)

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