Design And Experiment Of Multi-mode Paddy Field Intelligent Irrigation Control Syste

In order to solve the problems of low irrigation efficiency,single irrigation mode of irrigation control system and irrigation strategy mostly for one kind of rice,which is difficult to be universally applied to all regions,etc.in traditional paddy irrigation methods.In this paper,using relevant technologies such as the Internet of Things,wireless sensing and embedded,a multi-mode paddy intelligent irrigation control system is designed through theoretical analysis and experimental verification for the water consumption demand of each growth cycle of rice and different cultivation environments,as follows:(1)By reviewing relevant information,comparing the way rice is controlled and irrigated in different areas,determining the main environmental factors affecting rice growth,and summarizing the rice control strategies applicable to areas with abundant water,insufficient water resources and normal control irrigation,solving the problem that most existing control irrigation systems only control irrigation for local conditions,and improving the applicability and promotion of intelligent control irrigation systems;(2)Design the hardware components of a multi-modal paddy field intelligent irrigation control system.Combining sensor technology with embedded technology,the system collects environmental parameters such as water level,water temperature and soil moisture content in the paddy field in real time;compares the paddy field data with the preset irrigation control strategy to control the sluice gate;designs the human-computer interaction part according to the paddy field environment,using voice broadcast and keypad to switch between manual and automatic working modes of the lower computer,and controls the irrigation water level according to the user’s needs,realising the automation and intelligence of the irrigation control link.The irrigation control link is automated and intelligent;(3)Each node of the lower computer installed in the paddy field uses LoRa wireless communication module with wide transmission range and convenient networking to transmit data,and through two modes of fixed-point transmission and broadcast transmission,the system can realize effective control of irrigation in large blocks of paddy fields;(4)Add DTU devices to the cloud platform and create data streams to obtain environmental data of water fields and design the monitoring interface of the cloud platform;use Java,Mysql database and other technologies to design the Web client to monitor the water field situation in real time and send commands to achieve remote management of system equipment by users;(5)The system was applied to a pilot field in the Anda City Agricultural Science and Technology Park,where LoRa transmission,sensor monitoring,the One NET cloud platform and the web client were tested,and the results showed that the system met the requirements for multi-mode intelligent irrigation control of large blocks of water fields.