| 机动车尾气CO和CO2非分光红外遥测技术研究 |
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| 引用本文： | 丁蕾,刘文清,张玉钧,司福祺,高闽光,齐锋,王亚平.机动车尾气CO和CO2非分光红外遥测技术研究[J].量子电子学报,2003,20(4):459-464. |
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| 作者姓名： | 丁蕾 刘文清 张玉钧 司福祺 高闽光 齐锋 王亚平 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所,合肥,230031 |
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| 摘 要： | 利用分子红外光波段的吸收光谱特性，本文研究了机动车尾气CO和CO2的快速响应非分光红外(non-dispersion infrared)遥测技术，系统采用单个红外探测器测量CO、CO2和背景，微弱信号的检测采用光斩波器与锁相放大器的组合以及接收和发射一体的系统结构，克服了传统技术检测精度低、无法检测行进中机动车排放的尾气等缺点．本文还研究了静态条件下气体浓度和测量信号之间的关系，动态测量表明该技术可以完全非接触在线自动监测机动车行驶过程中排放的尾气．
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| 关 键 词： | 机动车尾气 CO CO2 非分光红外遥测技术 一氧化碳 二氧化碳 吸收光谱 微弱信号检测 光斩波器 |
| 文章编号： | 1007-5461(2003)04-0459-06 |
| 收稿时间： | 2003/4/14 |
| 修稿时间： | 2003年4月14日 |
Investigation on Remote Measurement of Automobile Emission CO and CO2 by Non-dispersion Infrared Absorption Method |
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| Ding Lei,Liu Wenqing,Zhang Yujun,Si Fuqi,Gao Minguang,Qi Feng,Wang Yaping.Investigation on Remote Measurement of Automobile Emission CO and CO2 by Non-dispersion Infrared Absorption Method[J].Chinese Journal of Quantum Electronics,2003,20(4):459-464. |
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| Authors: | Ding Lei Liu Wenqing Zhang Yujun Si Fuqi Gao Minguang Qi Feng Wang Yaping |
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| Abstract: | According to the characteristic of gas molecule absorbability in infrared light, remote measurement of vehicles emission CO and CO2 by non-dispersion infrared was investigated in this paper. By using single IR detector, CO,CO2 and background were measured. The combination of gas filter and lock-in-amplifier were used to detect the week signal. Many shortcomings of conventional method were conquered, such as low precision of detection and the detection of vehicles which under real-world driving condition. The relation of gas concentration and signal under immobile condition was also described. The mobile condition results show that the emission from vehicles which under real-world driving condition can be measured online automatically. |
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| Keywords: | NDIR automobile emission week signal detection |
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