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1. 华北理工大学 电气工程学院,河北 唐山,063009
2. 唐山赛福特智能控制股份有限公司, 河北 唐山 063009
纸质出版日期:2016-7-5,
收稿日期:2015-12-24,
修回日期:2016-3-22,
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曾怡帅, 杨友良, 马翠红. 有尘环境多组分气体成分检测系统的设计[J]. 发光学报, 2016,37(7): 859-865
ZENG Yi-shuai, YANG You-liang, MA Cui-hong. Design of The Detection System of Multi Component Gas Composition in Dust Environment[J]. Chinese Journal of Luminescence, 2016,37(7): 859-865
曾怡帅, 杨友良, 马翠红. 有尘环境多组分气体成分检测系统的设计[J]. 发光学报, 2016,37(7): 859-865 DOI: 10.3788/fgxb20163707.0859.
ZENG Yi-shuai, YANG You-liang, MA Cui-hong. Design of The Detection System of Multi Component Gas Composition in Dust Environment[J]. Chinese Journal of Luminescence, 2016,37(7): 859-865 DOI: 10.3788/fgxb20163707.0859.
通过LabVIEW软件设计一个基于TDLAS谐波检测含尘气体浓度的虚拟系统
模拟测量在常温常压并含有已知粉尘颗粒的环境中SO
2
、NO
2
和NO 3种气体的浓度
且使气体成分测量的结果不受粉尘因素的干扰。设计中使用2516.2
2911.66
3752.44 cm
-1
的3种中红外激光分别对SO
2
、NO
2
和NO气体进行检测
根据锁相放大原理设计虚拟多通道锁相放大器分析检测到的二次谐波信号
根据谐波信号对各气体的浓度进行定标测量
最后进行数据校正来排除粉尘颗粒的干扰
使气体的定标测量得到一个稳定的结果。
A virtual system based on TDLAS to detect the concentration of dust containing gases was designed by LabVIEW. The concentration of SO
2
NO
2
and NO is measured at ambient temperature and pressure and environment of known dust particles
and the gas composition measuring results are not affected by dust. Three kinds of infrared laser of 2516.2
2911.66
and 3752.44 cm
-1
are used to detect SO
2
NO
2
and NO. According to the principle of phase locked loop
the two harmonic signals detected by multi channel lock-in amplifier are analyzed
and the concentration of each gas is measured using the second-harmonic signal calibration. Finally
the interference of dust particles is eliminated through data correction
so as to get stable results.
系统模拟激光理论红外光谱吸收光谱含尘多组分气体检测
system simulationlaser theoryinfrared spectroscopyabsorption spectrumdust containing gases detection
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翟冰,何启欣,黄渐强,等. 红外气体检测中谐波信号正交锁相放大器设计与实现[J]. 光子学报, 2014, 43(11):1125001-1-6. ZHAI B, HE Q X, HUANG J Q, et al.. Design and realization of harmonic signal orthogonal lock-in amplifier used in infrared gas detection[J]. Acta Photon. Sinica, 2014, 43(11):1125001-1-6. (in Chinese)
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