[1]赵勇毅,常建华,沈 婉,等.矿井内CH4与CO2双组分NDIR传感器的设计与实现[J].红外技术,2019,41(8):778-785.[doi:10.11846/j.issn.1001_8891.2019080014]
 ZHAO Yongyi,CHANG Jianhua,SHEN Wan,et al.NDIR Sensor for CH4 and CO2 Gas Concentration Detection in Mines[J].Infrared Technology,2019,41(8):778-785.[doi:10.11846/j.issn.1001_8891.2019080014]
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矿井内CH4与CO2双组分NDIR传感器的设计与实现
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
41卷
期数:
2019年第8期
页码:
778-785
栏目:
出版日期:
2019-08-21

文章信息/Info

Title:
NDIR Sensor for CH4 and CO2 Gas Concentration Detection in Mines
文章编号:
1001-8891(2019)08-0778-08
作者:
赵勇毅1常建华12沈 婉1赵正杰1房久龙1
1. 南京信息工程大学 江苏省大气环境与装备技术协同创新中心,江苏 南京 210044;
2. 南京信息工程大学 江苏省气象探测与信息处理重点实验室,江苏 南京 210044
Author(s):
ZHAO Yongyi1CHANG Jianhua12SHEN Wan1ZHAO Zhengjie1FANG Jiulong1
 1. Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China;
2. Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science & Technology, Nanjing 210044, China
关键词:
NDIR双组分光学仿真气体传感器
Keywords:
 NDIRdual gasoptical simulationgas sensor
分类号:
TN219
DOI:
10.11846/j.issn.1001_8891.2019080014
文献标志码:
A
摘要:
为了实现对矿井有害气体的有效监测和控制,本文基于非色散红外(NDIR)原理,设计了一种双组分气体传感器。重点提出了一种反射式气室,然后利用光学仿真软件LightTools对腔体内的光线传播方向进行了光线追迹分析,并对到达探测器4个接收面的光强分布进行了模拟分析,验证了该气室的可行性与优越性。在器件上选用电调制红外光源和热释电探测器,由单片机处理电信号并输出气体浓度信息,大大提高了检测精度。实验结果表明,该传感器能够准确检测0~2000 ppm范围内的甲烷与二氧化碳气体浓度,满量程精度可达4.5%。可以满足矿井内甲烷、二氧化碳气体浓度检测的需要,具有广阔的应用前景。
Abstract:
 To effectively monitor and control harmful gases in mines, the design of a novel, dual gas sensor based on the principle of non-spectroscopic detection technique is presented in this paper. A reflective gas chamber is presented, and subsequently, the optical simulation software LightTools is used to analyze the direction of propagation of light in the cavity and the distribution of light intensity on the four receiving surfaces of the detector for verifying the feasibility and superiority of the gas chamber. The devices used in the sensor include a pulsable IR source and an infrared detector. The single chip of the detector handles the electrical signal and outputs the information about the gas concentrations, thereby greatly improving the detection accuracy of the sensor. The experimental results demonstrate that the proposed sensor can accurately measure the CH4 and CO2 concentrations within a range of 0–2000 ppm, with a full range accuracy of 4.5%. The sensor can therefore effectively detect CH4 and CO2 concentrations in mines and has a broad application prospect.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期:2018-09-26;修订日期:2019-07-26.

作者简介:赵勇毅(1994-),男,江苏南京人,硕士,主要从事光电传感技术研究。E-mail:zyy_0330@163.com。

通信作者:常建华(1976-),男,博士生导师,教授,主要从事光子学与光器件、光电传感与应用技术研究。E-mail:jianhuachang@nuist.edu.cn。

基金项目:国家自然科学基金(61875089);江苏省重点研发计划(BE2016756);江苏高校优势学科Ⅱ期建设工程;江苏省高校品牌专业建设工程资助项目;国家级大学生实践创新训练计划项目(201710300015)。

更新日期/Last Update: 2019-08-20