本质安全型红外甲烷报警仪设计  

Design of the Intrinsically Safe Infrared Methane Alarm

作　　者：王小珲[1] 王晶禹[1] 王丽[2] 梁庭[2] 

机构地区：[1]中北大学化工与环境学院,山西太原030051 [2]电子测试技术国家重点实验室,山西太原030051

出　　处：《中北大学学报（自然科学版）》2011年第6期758-762,共5页Journal of North University of China(Natural Science Edition)

基　　金：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);太原市科技计划资助项目(0706005)

摘　　要：针对爆炸性气体环境这种特殊的作业环境,基于红外光学气体检测原理,根据国家标准要求对红外甲烷报警仪进行本质安全的改进设计,其中主要包括依据国标要求对电路进行设计,防爆电池的选择以及隔爆外壳的设计,使其满足井下工作的要求.详细介绍了红外甲烷报警仪的工作原理、报警仪的气室结构等.红外甲烷报警仪的整体设计具有高安全性、便携式、低功率、低电压等特性,而且本质安全的设计给煤矿安全生产上了双保险,是一种安全可行的设计方案.The explosive gas atmosphere is a kind of particular working environment.Based on the principle of the infrared optical gas detection,and according to national standard of China,the intrinsic safety of the infrared methane alarm device was developed.The development was composed of the circuit design,the selection of the explosion-proof battery and the design of the flameproof crust.The device met the requirements for the underground use.The infrared detection principle of infrared methane alarm device and the chamber structure of the alarm instrument were also described.The overall design of the infrared methane alarm device features high security,portability,low power consumption and low voltage input.

关 键 词：本质安全 隔爆 甲烷 红外光源 检测 

分 类 号：TD684[矿业工程—矿山机电]