基于LoRa的长大隧道(群)数据传输技术研究与开发  

Research and Development of the LoRa-based Data Transmission Technology for Long and Large Tunnels(Groups)

作　　者：须民健 凌睿[2] 郭鸿雁 王庆岭 XU Minjian;LING Rui;GUO Hongyan;WANG Qingling(National Engineering Research Center of Road Tunnel,Chongqing 400060;School of Automation,Chongqing University,Chongqing 400030;Qinghai Traffic Construction Management Co.,Ltd.,Xining 810000)

机构地区：[1]公路隧道国家工程研究中心,重庆400060 [2]重庆大学自动化学院,重庆400030 [3]青海省交通建设管理有限公司,西宁810000

出　　处：《现代隧道技术》2024年第4期135-141,共7页Modern Tunnelling Technology

基　　金：公路隧道国家工程研究中心开放基金(NERCRT202202);青海省科技成果转化专项计划(2023-SF-128).

摘　　要：针对长大隧道(群)在施工与运营过程中监测数据传输受阻问题,提出一种基于LoRa及数据中继技术的数据传输方法,分析隧道在特殊环境中通信距离、抗干扰性和低功耗特性,设计长大隧道(群)的数据传输通信组网方案,研制相应无线中继设备和无线网关设备,实现远程服务器与隧道现场传感器数据的可靠传输。试验结果和测试结果表明,提出的基于LoRa的长大隧道(群)数据传输技术可以实现远程服务器与现场传感器之间的互联互通,从而满足长大隧道施工、养护过程对设备远距离通信、低功耗运行的要求。Addressing the issue of obstructed transmission of monitoring data during the construction and operation of long and large tunnels(groups),a data transmission method is proposed based on LoRa and the data relay technolo⁃gy.By analyzing the communication distance,anti-interference capability,and low-power characteristics in the spe⁃cial environment of tunnels,a data transmission communication network scheme for long and large tunnels(groups)was designed.Corresponding wireless relay and wireless gateway devices were developed,enabling reliable data transmission between remote servers and on-site tunnel sensors.Experimental and testing results show that the pro⁃posed LoRa-based data transmission technology for long and large tunnels(groups)can achieve interconnection be⁃tween remote servers and on-site sensors,meeting the requirements for long-distance communication and low-power operation during the construction and operation of long and large tunnels.

关 键 词：监测系统 长大隧道(群) 数据传输 无线中继 LoRa 

分 类 号：U453.7[建筑科学—桥梁与隧道工程]