基于红外光学原理的便携式甲烷报警仪

基金项目:

国家“863”计划资助项目(2006AA040601)

山西省留学人员管理委员会办公室重点科研资助项目(200802)

太原市科技计划项目(0706005)

Portable Methane Annunciator Based on Infrared Optics Principle

1.
Key Laboratory of Instrumentation Science and Dynamic Measurement(North University of China) of Ministry of Education,Taiyuan 030051,China.2.National Key Laboratory of Science and Technology on Elec

摘要: 提出了基于红外光学原理的便携式甲烷报警仪的设计方案,详细介绍了报警仪的硬件电路设计、软件设计、光学气室结构、外形结构设计及标定技术。该报警仪采用红外光源、高精度干涉滤光片一体化热释电探测器和单光束双波长技术,配合镀金膜气室实现对CH4等气体的实时检测,具有不易老化、响应快、灵敏度好、性能稳定、抗干扰能力强等优点。
- 甲烷报警仪 /
- 便携式 /
- 红外光源 /
- 干涉滤光片 /
- 热释电探测器 /
- 镀金膜气室 /
- 标定技术
Abstract: The paper put forward a design scheme of portable methane annunciator based on infrared optics（principle） and introduced design of hardware circuit and software, structure of optics gas chamber and outline design of the instrument and calibration technology in details.The annunciator realizes real-time detection of CH4 by use of infrared source,integrated pyroelectric detector with high-precision interference filters,single-beam dual-wave length technology and gas chamber with gold-plated membrane,which has some advantages such as not-easy ageing,rapid response,high sensitivity,stabilization and strong anti-jamming capability.
- methane annunciator /
- portable /
- infrared source /
- interference filter /
- pyroelectric detector /
- gas chamber with gold-plated membrane /
- calibration technology