| 基于NDIR法汽车尾气分析仪的设计与实现 |
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| 引用本文： | 王海棠,黄琦兰,刘尚.基于NDIR法汽车尾气分析仪的设计与实现[J].天津工业大学学报,2006,25(6):48-50,53. |
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| 作者姓名： | 王海棠 黄琦兰 刘尚 |
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| 作者单位： | 天津工业大学,计算机技术与自动化学院,天津,300160 |
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| 摘 要： | 为实现汽车尾气中CO、CO2、HC的定量测量，分析了NDIR（non—dispersive infrared，非分光红外）实现测量气体浓度的工作过程．在此基础上构建了测量系统，给出了实际应用中硬件电路和软件程序的实现思路．经实际取样尾气测量实验证明，该方法测量准确、精度较高，且成本降低．
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| 关 键 词： | 非分光红外技术 汽车尾气分析仪 热电堆传感器 自动控制 |
| 文章编号： | 1671-024X（2006）06-0048-03 |
| 收稿时间： | 2006-03-17 |
| 修稿时间： | 2006年3月17日 |
Design and implementation of vehicle exhaust gas analyzer in NDIR method |
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| WANG Hai-tang,HUANG Qi-lan,LIU Shang.Design and implementation of vehicle exhaust gas analyzer in NDIR method[J].Journal of Tianjin Polytechnic University,2006,25(6):48-50,53. |
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| Authors: | WANG Hai-tang HUANG Qi-lan LIU Shang |
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| Abstract: | In order to implement the quantitative measurement of CO ,CO2, HC in vehicle exhaust gas the working process of measuring the gas concentration by using NDIR method is analyzed. And a measurement system is set up based on it. The implementation idea of the hardware circuit and software program in practical application is described. By testing the octual exhaust gas, it is verified that the method is exact and more precise than usual one. |
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| Keywords: | non-dispersive infrared technology vehicle exhaust gas analyzer thermopile sensor automatic control |
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