矿用本质安全型分布式光纤测温主机设计与实现  

Design and Realization of Mine Intrinsically Safe Distributed Optical Fiber Temperature Measurement

作　　者：李军 莫志刚[1,2] 张书林 LI Jun;MO Zhi-gang;ZHANG Shu-lin(Chongqing Research Institute of China Coal Technology&Engineering Group Corp,Chongqing 400039 China;National Key Lab for Gas Disaster Monitoring and Emergency Technology,Chongqing 400037 China)

机构地区：[1]中煤科工集团重庆研究院有限公司,重庆400039 [2]瓦斯灾害监控与应急技术国家重点实验室,重庆400037

出　　处：《自动化技术与应用》2018年第10期16-20,共5页Techniques of Automation and Applications

基　　金：2016年国家重点研发计划专项(编号2016YFC0801405)

摘　　要：分析煤矿井下火灾监控需求,从测温主机测温与定位原理入手,设计了一种矿用测温主机架构,详述了满足标准感温长度≤1m硬件选型依据;结合实际应用问题提出了一种本安型测温主机,为满足设备本质安全设计需要,主机采用2路本安电源独立供电,实测测温主机标准感温长度≤1m、温度测量误差±1℃,本安参数满足Ui:19.0V、Ii:1.5A、Ci:4.3μF、Li:20μH。This paper analyzes the requirements of fire monitoring in coal mine.Based on the principle of temperature measurement and positioning of temperature measurement host,a mastering scheme of mine temperature measurement is designed,which is based on the requirement of standard temperature length≤1m hardware selection.In order to meet the needs of equipment intrinsically safe design,the host adopts 2-way intrinsically safe power supply independent power supply,the measured temperature of the host temperature standard length≤1m,temperature measurement error±1℃,intrinsically safe parameters to meet Ui:19.0V,Ii:1.5A,Ci:4.3μF,Li:20μH.

关 键 词：光纤测温 本质安全型 主机 标准感温长度 嵌入式 

分 类 号：TP212.11[自动化与计算机技术—检测技术与自动化装置] TD752[自动化与计算机技术—控制科学与工程]