基于双面金属包覆光波导传感器的地铁CO_2气体监测系统设计  

Design of CO2 Gas Monitoring System Used in Metro Based on Double-sided Metal-clad Optical Waveguide Sensor

作　　者：陆炎 李胜永[1] 顾玉牧 陶雨濛 孙春洋 李永豪 LU Yan;Li Sheng-yong;GU Yu-mu;TAYu-meng;SUN Chun-yang;LI Yong-hao(Department of Transport Engineering Nantong Vocational and Technical Shipping Collge,Nantong 226010,China;Department of Management Information,Nantong Voceational and Technical Shipping College,Nantong 226010,China;School of Rail Transportation,Nanjing Vocational Institute of Transport Technology,Nanjing 211188,China)

机构地区：[1]南通航运职业技术学院交通工程系,江苏南通226010 [2]南通航运职业技术学院管理信息系,江苏南通226010 [3]南京交通职业技术学院轨道交通学院,江苏南京211188

出　　处：《南通航运职业技术学院学报》2020年第1期29-33,共5页Journal of Nantong Vocational & Technical Shipping College

基　　金：南通航运职业技术学院科技项目(HYKY/2019B03);南通市科技计划项目(MS12018080)。

摘　　要：地铁有害气体的监测对乘客安全至关重要,为了提高地铁中CO_2气体含量检测的灵敏度,提出以双面金属包覆光波导结构为载体设计新型的CO_2气体传感器作为检测终端。通过对导模的计算分析,结果表明传感器具有极高的灵敏度。采用ZigBee无线通信技术设计地铁CO_2气体监测系统,给出了设计方案,为地铁有害气体监测系统的工程实践提供的可供选择的方案。The monitoring of harmful gases in metro is very important to passengers’safety.In order to im-prove the sensitivity of CO2 content detection in metro,a new type of CO2 gas sensor with a double--sided metal-clad optical waveguide structure as a carrier is proposed to be a detecting terminal.Through calculation and analysis of the guided mode,the results show that the sensor has extremely high sensitivity.The ZigBee wireless communication technology is used to design metro CO2 gas monitoring system,and the design scheme is given,which is an alternative scheme for the engineering practice of the harmful gas monitoring system in metro.

关 键 词：地铁 双面金属包覆光波导 CO2气体传感器 ZIGBEE 监测系统 

分 类 号：U231[交通运输工程—道路与铁道工程]