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1、2011年第 24卷第 2期E lectron ic Scinull& Technull /Febnull15, 2011;nullwwwnulld ian zik ejinullorgl: 2010- 11- 04: 黑龙江省教育厅科研基金资助项目( 11553018)Te: 张春志( 1971 - ), 男, 硕士, 副教授b研究方向:光电检测技术, 数据采集监控系统b;l;8.8sf=(Fv,CW:null 150028)Knull1null 分析了气体光谱吸收基本原理, 研究了一套光纤传感瓦斯系统, 应用于某超化煤矿试验, 并取得良好效果b指出基于光谱吸收的煤矿瓦斯光纤传感器, 可用于
2、对煤矿瓦斯气体进行大范围监测, 也可在线连续监测井下瓦斯气体, 其具有广阔的应用前景b1oMnull 光谱吸收; 煤矿瓦斯; 光纤传感气体ms|null TP212null nullDSMnull Anull nullcI|null 1007- 7820( 2011) 02- 113- 02Analysis of CoalM ineGasOpticalFiber Sensing GasBased on Spectrum AbsorptionZhang Chunzhi(Huaru i Schoo,l Northeast Petro University, H arbin 150028, Chin
3、a)Abstractnull T he basic principles of gas absorption is ana lyzed. An optical fiber sensing gas system is studied,wh ich has been used in a super test ofm ine w ith good results achieved. It is proposed that the coa lm ine gas opticalfiber sensor based on spectrum absorption can be used both for l
4、arge-scalem onitoring of coalm ine gas and for contin-uous online m onitoring of underground gas and therefore has broad application prospects.K eywordsnull spectrum absorption; coalm ine gas; optical fiber sensing gasnull nullY#,SB1pnb1/38,1sJCH4aQCnHmbY#?,yNA1/J8SbP8Sd8SZB1Z_5b_ZEiJ,t5,S=v,i?C;_b;
5、8.l;8,?.d.by.qlaFH?a.v,iO0aa,!84,V* 1 ,XB5b1null;8lV,;C+,18a+M1,VWZT,;88ibK1;88.;l8. 2blnull null null8F;8g3g,l83;h,V7?8ibYVl,VMY8bBtn8:COaCH4S+l;LF;8g3g,7CubB8,8F;8g3g3WoboMS+,llbd2,_Tzb2null;8.dm1U;lT;8.db图 1null 光纤传感瓦斯系统d1 660 mmosQT8;S;ba;daeda=)5;ded,Mbvadb113;null张春志: 光谱吸收的煤矿瓦斯光纤传感气体分析wwwnulld
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