The Internet of Things is recognized by the world as the third wave of the world information industry after computers, the Internet and mobile communication networks. Exploring the development and application of agricultural Internet of Things is of great significance, which can promote the transformation of agricultural production methods and the increase of farmers' income. The definition and application analysis of the agricultural Internet of Things industry compiled by Xiaobian are as follows.
Agricultural Internet of Things Definition
Agricultural Internet of Things, that is, in the greenhouse control system, using the temperature sensor, humidity sensor, PH value sensor, light sensor, CO2 sensor and other equipment of the Internet of Things system to detect temperature, relative humidity, PH value, light intensity, soil in the environment Physical quantity parameters such as nutrient and CO2 concentration are involved in automatic control through real-time display of various instruments or as parameters of automatic control to ensure a good and suitable growth environment for crops. The realization of remote control enables technicians to monitor and control the environment of multiple greenhouses in the office. Using wireless networks to measure the optimal conditions for obtaining crop growth can provide a scientific basis for precise regulation of greenhouses, achieving the goal of increasing production, improving quality, regulating growth cycle, and improving economic efficiency.
Agricultural Internet of Things Application Analysis
Real-time monitoring function <br> Real-time collection of air temperature, air humidity, carbon dioxide, light, soil moisture, soil temperature, outdoor temperature and wind speed in the greenhouse (greenhouse) through the sensing device; data is transmitted to the mobile communication network Service management platform, service service management platform analyzes and processes data.
Remote control function
For the greenhouses with better conditions, electromechanical equipment such as electric roller blinds, exhaust fans, electric irrigation systems, etc. can be installed to realize remote control functions. Farmers can log in to the system through mobile phone or computer to control the switch of water valve, exhaust fan and roller blind in the greenhouse. The control logic can also be set. The system will automatically open or close the roller blind, water valve and fan according to internal and external conditions. Waiting for large shed mechanical and electrical equipment.
Query function <br>After using the mobile phone or computer to log in to the system, the farmer can query the environmental parameters, historical temperature and humidity curve, historical electromechanical equipment operation record, historical photos and other information in the greenhouse (greenhouse) in real time. After logging in the system, you can also Inquire about local agricultural policies, market conditions, supply and demand information, expert notices, etc., to achieve targeted comprehensive information services.
Warning function <br>The warning function needs to preset the upper and lower limits of the appropriate conditions. The set value can be modified according to the crop type, growth cycle and season. When a certain data exceeds the limit, the system immediately sends a warning message to the corresponding farmer, prompting the farmer to take timely measures.
The definition and application of the agricultural Internet of Things industry is introduced here. According to the “2017-2022 China Agricultural Internet of Things Industry Special Investigation and Investment Value Forecast Report†published by the China Report Hall, at present, China's agricultural Internet of Things application is still in the tentative start. At the stage, the overall application level and construction scale lag significantly behind other industries such as power, medical care and environmental protection.
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