A new low-cost hydrogen sensor build with a thermopile IR detector adapted to measure thermal conductivity

Author:

Liess M.

Abstract

Abstract. It is demonstrated how a commercially available MEMS thermopile infrared radiation sensor can be used as thermal conductivity gas detector (TCD). Since a TCD requires a heater while IR-thermopile sensors have no integrated heater, the thermopile itself is used as heater and temperature sensor at the same time. It is exposed to the measured gas environment in its housing. It is shown that, by using a simple driving circuitry, a mass-produced low-cost IR sensor can be used for hydrogen detection in applications such as hydrogen safety and smart gas metering. The sensor was tested to measure hydrogen in nitrogen with concentration of 0–100 % with a noise equivalent concentration of 3.7 ppm.

Publisher

Copernicus GmbH

Subject

Electrical and Electronic Engineering,Instrumentation

Reference23 articles.

1. Appleby, A. J. and Foulkes, F. R.: Fuel cell handbook, Van Nostrand Reinhold, New York, USA, XXVI, 762 pp., 1989.

2. Blackslee, S.: Lost on Earth: Wealth of Data Found in Space: "In science, one man's noise is another man's signal", New York Times, available at: http://www.nytimes.com/1990/03/20/science/lost-on-earth-wealth-of-data-found-in-space.html (last access: 12 May 2015), 1990.

3. Burgess, D. R.: Thermochemical Data, in: NIST Chemistry WebBook: NIST Standard Reference Database Number 69, edited by: Linstrom, P. J. and Mallard, W. G., Gaithersburg, MD, USA, available at: http://webbook.nist.gov (last access: 30 April 2015), 2011.

4. Davies, T. W.: Thermal Conductivity Values, in: A-to-Z Guide to Thermodynamics, Heat and Mass Transfer, and Fluids Engineering, Begellhouse, Redding, Connecticut, USA, 2006.

5. Daynes, H. A.: The Theory of the Katharometer (with an Introductury Note by G. A. Shakespear), Proc. Roy. Soc. London A, 273–286, 1920.

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3