基于LoRa的智慧果园墒情监测系统研究与设计  

Research and design of intelligent orchard moisture monitoring system based on LoRa

作　　者：杜青青 DU Qingqing(School of Electronics and Electrical Engineering,Lanzhou Petrochemical Vocational and Technical University,Gansu Lanzhou 730060, China)

机构地区：[1]兰州石化职业技术大学电子电气工程学院,甘肃兰州730060

出　　处：《工业仪表与自动化装置》2022年第3期13-17,27,共6页Industrial Instrumentation & Automation

基　　金：甘肃省高等学校科研项目“基于无线传感器网络的智慧农业监测系统的设计及优化”(2021A-224);甘肃省高等学校科研项目“大数据视阈下桥梁形变病害监测及可视化分析关键技术研究”(2021B-392)。

摘　　要：针对山地果园占地面积大、土地贫瘠干旱的实际情况,为实现果园土壤墒情实时监测和节水灌溉,该文设计了一种基于LoRa技术的果园自动监测系统。以STM32H743XI处理器为核心,给出了土壤湿度信号调理电路、环境温湿度和LoRa模块接口电路,以及LoRa模块配置和收发程序设计,采集节点定时发送采样数据,汇聚节点利用循环队列异步解析接收数据,并发送至上位机进行统计分析。实验结果表明,该果园土壤墒情监测系统具有通信可靠性高、采集实时性高、系统稳定性好以及易于扩展等优势,能够有效地满足山地果园远程监控的实际应用需求。In view of the actual situation of large area,barren and arid land in mountainous orchards.In order to realize real-time monitoring of soil moisture in orchards and water-saving irrigation,an orchard automatic monitoring system based on LoRa technology is designed.With STM32H743XI processor as the core,the soil moisture signal conditioning circuit,ambient temperature and humidity and LoRa module interface circuit are given,and LoRa module configuration and transceiver program design,the collection node sends sampling data regularly,and the sink node asynchronously parses and receives data by using circular queue and sends it to the host computer for statistical analysis.The experimental results show that the orchard soil moisture monitoring system has the advantages of high communication reliability,high real-time acquisition,good system stability and easy expansion,and can effectively meet the practical application needs of remote monitoring in mountainous orchards.

关 键 词：土壤墒情 LoRa技术 实时监测 汇聚节点 循环队列 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]