基于树莓派实现自动土壤水分站远程控制及土壤湿度监测的设计与实现

Design and implementation of remote control of automatic weather station and soil moisture monitoring based on Raspberry Pi

为了改善自动土壤水分站的维护维修程序繁琐、方法单一等问题,跟随5G技术的发展,本文提出一种基于树莓派实现自动土壤水分站远程控制及湿度监测系统。文中以树莓派4B为主体,搭载Raspbian系统,实现远程控制和湿度监测等功能模块的软硬件设计,利用气象数据统一服务接口(MUSIC)获取体积含水率并通过数据分析计算出湿度数据存入sqlite数据库,利用界面将实时数据进行动态显示;搭建土壤水分实验站并通过串口助手获取自动土壤水分站实时数据;通过3路RPi Relay Board传感器实现电压通断控制;利用Python编译软件中的Tkinter模块实现土壤水分站远程控制界面,便于维护人员观察实况数据,并进行远程控制。实验测试结果表明,该控制与监测系统性能良好,对于自动站装备保障的时效性和准确性具有重要意义。

In order to improve the cumbersome maintenance procedures and single methods of the automatic soil moisture station,following the development of 5G technology,this paper proposes a remote control and humidity monitoring system for the automatic soil moisture station based on the Raspberry Pi.The article takes Raspberry Pi 4B as the main body,is equipped with Raspbian system,designs and realizes the software and hardware design of functional modules such as remote control and humidity monitoring,uses the unified service interface of meteorological data(MUSIC)to obtain the volumetric moisture content and calculates the humidity through data analysis The data is stored in the webpage in the sqlite database,and the real-time data is dynamically displayed using the interface;the soil moisture experiment station is built and the real-time data of the automatic soil moisture station is obtained through the serial assistant;the voltage on-off control is realized through the 3-channel RPi Relay Board sensor;The Tkinter module in the compilation software implements a remote control of soil moisture station interface,which is convenient for maintenance personnel to observe live data and perform remote control.Experimental test results show that the control and monitoring system has good performance,which is of great significance to the timeliness and accuracy of automatic station equipment support.