基于LPWA技术的无线水质监测云系统研究  

Research on Wireless Water Quality Monitoring Cloud System Based on LPWA Technology

作　　者：沈晓萍[1] 田立武[1] SHEN Xiaoping;TIAN Liwu(Jiaxing Vocational and Technical College,Jiaxing 314036,China)

机构地区：[1]嘉兴职业技术学院,浙江嘉兴314036

出　　处：《现代信息科技》2022年第12期172-177,共6页Modern Information Technology

基　　金：浙江省教育厅一般科研项目(Y202044105);嘉兴市科技局项目(2021AD10003)。

摘　　要：针对水质监测系统中分布区域广、数据传输距离远、现场供电困难等问题,采用LPWA物联网无线通信技术,将LoRa技术应用于水质监测系统中。系统可支持RS485、CAN总线等类型传感设备接入,射频模块采用利尔达LSD4RF-2F717N30,主控部分采用STM32L151微控制器,实现智慧城市中水质监测系统的设计,LoRa节点上传数据至汇聚节点,最终可通过云平台实时监控水质状况。系统的优势在于低功耗、低成本、广覆盖、远距离、运行稳定。In view of the problems such as wide distribution area,long data transmission distance and difficult on-site power supply in the water quality monitoring system,LPWA Internet of Things wireless communication technology is adopted,and LoRa technology is applied to the water quality monitoring system.The system can support the access of RS485,CAN bus and other types of sensing devices,the RF module adopts LSD4RF-2F717N30 of Lierda,and the main control part adopts STM32L151 microcontroller.It realizes the design of water quality monitoring system in smart city.The LoRa nodes upload data to the convergence node,and finally the water quality condition can be monitored in real time through the cloud platform.The advantages of this system lie in low power consumption,low cost,wide coverage,long distance and stable operation.

关 键 词：无线水质监测 LPWA技术 LoRa无线传输 

分 类 号：TN929.5[电子电信—通信与信息系统]