基于光纤信号传输的甲烷传感器设计  

Design of Methane Sensor Based on Optical Fiber Signal Transmission

作　　者：梁光清 LIANG Guang-qing(China Coal Technology Engineering Group Chongqing Research Institute,Chongqing 400039,China;State Key Laboratory of the Gas Disaster Detecting,Preventing and Emergency Controlling,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：《自动化与仪表》2021年第12期72-74,79,共4页Automation & Instrumentation

基　　金：天地科技股份有限公司科技创新创业资金专项重点项目(2019-TD-ZD007)。

摘　　要：针对甲烷传感器频率、电流、总线通讯传输中存在距离短、速度慢、损耗大、抗电磁干扰能力弱等问题,对传感器单片机、电源模块、光电转换模块、显示、声光报警等电路进行了研究,采用单模光收发一体模块设计了一种基于光纤信号传输的甲烷传感器,传感器设备与监控分站通过光纤进行数据信号高速交互,保证数据传输的稳定性、及时性和可靠性,符合智能化传感器应用需求。Aiming at the problems of short distance,slow speed,large loss and weak anti electromagnetic interference ability in the frequency,current and bus communication transmission of methane sensor,the circuits of sensor single chip microcomputer,power supply module,photoelectric conversion module,display and audible and visual alarm are studied.A methane sensor based on optical fiber signal transmission is designed by using single-mode optical transceiver module,The sensor equipment and the monitoring substation conduct high-speed data signal interaction through optical fiber to ensure the stability,timeliness and reliability of data transmission and meet the application requirements of intelligent sensors.

关 键 词：光纤信号传输 光模块 单模单纤 甲烷传感器 信号处理 

分 类 号：TD76[矿业工程—矿井通风与安全]