Analysis and Design of an Improved Light Interference Methane Sensor
Hao Lin; Zize Liang; En Li; Mingbo Yang; Bo Zhai
2014-06
会议名称2014 11th IEEE International Conference on Control & Automation (ICCA)
会议录名称Processing of 11th IEEE International Conference on Control & Automation
会议日期2014-6
会议地点Taichung, Taiwan
摘要
The light interference methane sensor has many advantages except inconvenient reading and no communication with monitoring system. To improve it, many systems have been
reported, but which are too big in size to use in practice. In this paper, we analyzed the reason for the big size and proposed two optical configurations to reduce the system size. Based on the one-to-one relationship between the output of the photosensitive element and the methane volume fraction, we redesigned two types of chambers taking up most room of the optical configuration. The one with the rectangular cross section was only for measuring the low methane volume fraction, and the other one with the trapezoid cross section for both low and high methane volume fraction. The feasibility of the design method is verified by the simulation. We showed the manufactured optical configuration compared to the original, and the new designed optical configuration is less than half size of the original. The experiments showed that the maximum measuring error of the
calibrated sensor with the designed optical configuration was ±0.01%.
其他摘要本文针对传统光干涉式瓦斯传感器气室体积大的问题,设计一种梯形气室,在这种气室作用下,传感器即可测量低浓度瓦斯气体,同时能够实现高浓度瓦斯的高精度测量。
关键词Light Interference Methane Sensor
收录类别EI
语种英语
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/11795
专题复杂系统管理与控制国家重点实验室_先进机器人
通讯作者Hao Lin
作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Hao Lin,Zize Liang,En Li,et al. Analysis and Design of an Improved Light Interference Methane Sensor[C],2014.
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