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被动遥测矿井CO气体温度及浓度的正演研究

唐远河 王淑华 崔进 徐颖 梅屹峰 李存霞

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被动遥测矿井CO气体温度及浓度的正演研究

唐远河, 王淑华, 崔进, 徐颖, 梅屹峰, 李存霞

Study on the forward of mashgas CO temperature and concentration by the remote passive measurement

Tang Yuan-He, Wang Shu-Hua, Cui Jin, Xu Ying, Mei Yi-Feng, Li Cun-Xia
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  • 为减少矿井瓦斯气体爆炸后的二次救援伤亡,我们设计了一套成像干涉光学系统,可以便携实时被动遥感探测瓦斯气体CO的温度和浓度. 该系统根据分子转动谱线测温和气体辐射光强与分子数密度的函数关系测浓度. 本文研究该系统的正演模式,依次对目标气体的辐射模型、气体的传输模型、滤波函数模型和CCD成像探测器模型等4种子模型进行研究后,得到正演公式. 根据所给相关参数和MATLAB编程,得到CO气体R11-R16的6条谱线的成像干涉正演图像. 曝光时间300 s时,正演图像最大信噪比为268,CO成像干涉图信号强度的电子计数最大值为1.5105,大于所选CCD探测器的400个电子计数暗噪声,而小于其满井电荷量1106. 正演结果表明该光学系统可达探测要求. 该系统探测CO气体的温度和浓度精度分别可达2 K和0.1%.
    In order to reduce the second rescue injuries and deaths after the mashgas exploding in the mine, a portable imaging interferometer system is designed to detect CO temperature and concentration by the passive and remote measurement. The CO temperature and concentration are detected according to the rotational spectral line of CO gas molecule and the linear relationship between the radiation intensity of gas molecule and the molecule number density, respectively. The optical system is designed, and then its forward is studied in this work. The forward expression is obtained after studying the following four seed models of the optical system: the radiation model of target gas, where CO six emission spectral lines R11-16 are selected from HITRAN08 database; the mine CO gas transmission model in which the absorptions by the water vapor and CO2 molecule, and absorption and scattering by the mine aerosol are calculated by the relevant rules; the filter function model, in which the matched parameters of the band width of 0.5 nm and max transmittance of 0.23 for CO temperature are measured by the method of rotational line of R11-16, and the model of imaging detector CCD in which the infrared CCD of pixel 320320 and the max quantum efficiency of 0.75 are to be used in the optical system. According to the given parameters and MATLAB programming, the forward imaging interference results of CO differentiable six spectrum of R11-16 are obtained. The forward max noise-signal ratio is 268 when the exposure time is 300 s. The max electric count is 1.5105 that is larger than the selected CCD dark noise of 400 e but less than the CCD full charge quantity of 1106 e. The forward result clearly indicates that the optical system can meet the initial design demand. The accuracies of CO temperature and concentration measured by this optical system can reach 2 K and 0.1%, respectively. This portable system can be used to detect not only the mine CO, but also other gases like the pipe smoke, bomb exploding gas, etc. in which the filter and CCD need to be changed.
      通信作者: 唐远河, ltp1801@163.com
    • 基金项目: 国家自然科学基金(批准号:61308006)、陕西自然科学基金(批准号:2016JM1011)和西安理工大学特色项目(批准号:2015TS012)资助的课题.
      Corresponding author: Tang Yuan-He, ltp1801@163.com
    • Funds: Projects supported by the National Natural Science Foundation of China (Grant No. 61308006), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2016JM1011), and Characteristic research of Xi'an University of Technology, China (Grant No. 2015TS012).
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    Xu Z J, Chen Y Z, Jiang D S, Song C S, Li H C, Song X F, Ye Y Y 1980 Acta Phys. Sin. 29 867 (in Chinese) [许振嘉, 陈玉璋, 江德生, 宋春英, 李贺成, 宋祥芳, 叶亦英 1980 物理学报 29 867]

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    Gao H Y, Tang Y H, Duan X D, Liu H C, Cao X G, Jia Q J, Qu O Y, Wu Y 2013 Appl. Opt. 52 8650

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    ShiX G, Wang B, Yang J H 2005 Infrared System (Beijing: Weapon Industry Press) p85 (in Chinese) [石晓光, 王彬, 杨进华 2005 红外系统 (北京: 兵器工业出版社) 第85 页]

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    Bohren C F, Huffman D R 1998 Absorption and Scattering of Light by Small Particles (New York: John Wiley Sons Inc Press) p436

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  • [1]

    Chen D, Liu W Q, Zhang Y J 2006 Chin. Lasers 33 1552 (in Chinese) [陈东, 刘文清, 张玉钧 2006 中国激光 33 1552]

    [2]

    Zhang H L, He W X, Yu Y B 2014 Instrum. Tech. Sens. 1 41 (in Chinese) [张红丽, 和卫星, 郁永斌 2014 仪表技术与传感器 1 41]

    [3]

    Wang Z R, Zhou B, Wang S S, Yang S N 2011 Acta Phys. Sin. 60 060703 (in Chinese) [王焯如, 周斌, 王珊珊, 杨素娜 2011 物理学报 60 060703]

    [4]

    Zhu M, Wang S, Wang S T, Xia D H 2008 Acta Phys. Sin. 57 5749 (in Chinese) [朱明, 王殊, 王菽韬, 夏东海 2008 物理学报 57 5749]

    [5]

    Brassington D J 1982 J. Phys. D: Appl. Phys. 15 219

    [6]

    Jasinski P 2006 Mater. Sci. Poland 24 269

    [7]

    Stewart G, Culshaw B, Johnstone W 2003 Environ. Qual. Manage. 14 181

    [8]

    Huijsing J H, Makinwa K A A, Verhoeven H J 1994 Sens. Actuators A: Physical 43 276

    [9]

    Chu J H 1992 Semiconductor Optoelectronics 13 170 (in Chinese) [储建华 1992 半导体光电 13 170]

    [10]

    Xu Z J, Chen Y Z, Jiang D S, Song C S, Li H C, Song X F, Ye Y Y 1980 Acta Phys. Sin. 29 867 (in Chinese) [许振嘉, 陈玉璋, 江德生, 宋春英, 李贺成, 宋祥芳, 叶亦英 1980 物理学报 29 867]

    [11]

    Safitri A, Gao X D, Mannam M S 2011 J. Loss. Prevent Proc. 24 38

    [12]

    Tang Y H, Duan X D, Gao H Y, Qu O Y, Jia Q J, Cao X G, Wei S N, Yang R 2014 Appl. Opt. 53 2273

    [13]

    Gao H Y, Tang Y H, Duan X D, Liu H C, Cao X G, Jia Q J, Qu O Y, Wu Y 2013 Appl. Opt. 52 8650

    [14]

    ShiX G, Wang B, Yang J H 2005 Infrared System (Beijing: Weapon Industry Press) p85 (in Chinese) [石晓光, 王彬, 杨进华 2005 红外系统 (北京: 兵器工业出版社) 第85 页]

    [15]

    Bohren C F, Huffman D R 1998 Absorption and Scattering of Light by Small Particles (New York: John Wiley Sons Inc Press) p436

    [16]

    Mohlenhoff B, Romeo M, Diem M, Wood B R 2005 Biophys. J. 88 3635

    [17]

    Shepherd G G 2002 Spectral Imaging of the Atmesphere (London: Academic Press) pp174-181

    [18]

    Shepherd G G, Thuillier G, Gault W 1993 Geophys. Res. 98 10725

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出版历程
  • 收稿日期:  2016-04-27
  • 修回日期:  2016-05-18
  • 刊出日期:  2016-09-05

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