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Water and Fertilizer Integrated Internet of Things Control System

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水肥一体化物联网控制系

Water and Fertilizer Integrated Internet of Things Control System

Update time:2021-09-22       Pageviews:649


1 Introduction

China is a vast country with a large area of arable land, large spans between east, west, south and north, large climate gaps, and water shortages; most of the main production areas use primitive irrigation methods. In recent years, mechanical farming and modern irrigation in some areas are agricultural developments. However, due to the wide distribution of land, the inability to optimize the use of water resources, high labor costs, long time-consuming, incomplete and untimely collection of farming information, etc.; the emergence of new types of IoT planting has enabled modern agriculture to achieve another A qualitative leap.



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2. System function

The improvement of the IoT planting system can be divided according to the soil types, crops, irrigation water sources and irrigation methods in different regions. The intelligent management system for field planting based on the Internet of Things is aimed at the wide distribution of agricultural field planting, many monitoring points, wiring and power supply difficulties, etc., using the Internet of Things technology, using high-precision soil temperature and humidity sensors and intelligent weather stations, remote online collection of soil moisture, PH, nutrient, meteorological information, etc., to achieve automatic moisture (drought) prediction, intelligent decision-making on irrigation water consumption, remote and automatic control of irrigation equipment and other functions, and ultimately achieve the purpose of intensive farming, accurate fertilization, and reasonable irrigation.
The system divides different types of areas according to different types of soil, irrigation water sources, irrigation methods, crops, etc., selects representative plots in different types of areas, and automatically collects information such as soil water content, groundwater level, and rainfall. , Monitoring point of transmission function. Through irrigation forecast software combined with information real-time monitoring system, the best irrigation time for crops, irrigation water volume and water-saving measures to be taken as the main content of irrigation forecast results are obtained, which are regularly released to the masses, and farmers are scientifically guided in real-time and actual irrigation to achieve water saving Purpose.



3. System architecture:



Agricultural IoT field information collection can be divided into two parts: ground information collection and underground or underwater information collection:

1. Ground information collection

1) Using ground temperature, humidity, light, and photosynthetically active radiation sensors to collect information can grasp the growth of crops in time. When crops are restricted due to these factors, users can respond quickly and take emergency measures;


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2) The use of rainfall, wind speed, wind direction, and air pressure sensors can collect a large amount of meteorological information. When these information exceeds the normal value range, users can take preventive measures in time to reduce losses caused by natural disasters. For example, before the arrival of heavy rainfall, open the water storage opening of the reservoir to prepare for water storage and open the field drainage system to discharge the excess water of the field.
2. Underground or underwater information collection
1) It can realize the information collection of underground or underwater soil temperature, moisture, water level, nitrogen, phosphorus, potassium, dissolved oxygen, and pH value.
1) Monitoring of water source, water level and water quality.
2) The detection of soil temperature, moisture, and water level is to achieve reasonable irrigation and eliminate water waste and soil nutrient loss caused by a large amount of irrigation.
3) The detection of nitrogen, phosphorus, potassium, dissolved oxygen, and pH information is to comprehensively detect soil nutrient content, accurately guide the proper fertilization of paddy fields, increase yield, and avoid environmental problems caused by excessive fertilization.
3. Video surveillance
The video surveillance system refers to the installation of cameras to transmit images to the control host through coaxial video cables to obtain plant growth information in real time, and the growth of crops can be seen at any time on the surveillance center or remote Internet.

4. Alarm system


The user can set a reasonable range for each sensor on the host system. When the water source, ground, underground or underwater information exceeds the set range, the alarm system can send field information through the mobile phone and pop up to the host interface. Ways to inform users. Users can view the field conditions through video surveillance, and then take reasonable measures to respond to specific field conditions.


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Four, configuration composition:



1. Information collection system:
(1) Ground configuration: temperature, humidity, light, photosynthetically active radiation, rainfall, wind speed, wind direction, air pressure and other equipment; purpose: monitor and collect environmental parameters, and provide corresponding corresponding measures;
(2) Water source configuration: equipment for water level, nitrogen, phosphorus, potassium, dissolved oxygen, PH value, etc.; purpose: used for real-time monitoring of water level and water quality;
(3) Soil underground: equipment such as soil temperature, moisture, nitrogen, phosphorus, potassium, dissolved oxygen, PH value, etc.; Purpose: used for real-time collection of important environmental factors in crop production that affect its growth;
2. Execution equipment configuration: central intelligent controller, intelligent controller; used to analyze and control the irrigation system;
3. Wireless transmission system: used for remote wireless transmission and collection of data;
4. Video monitoring system: check the real-time growth of crops, pest control and greenhouse monitoring in the park;
5. Software platform: remote data real-time viewing function; automatic control function; various early warning functions.
 
At present, China's rural areas are vigorously promoting water-saving irrigation and the integration of planting areas. The empirical verification shows that the system is operating in good condition. Due to the modular design, the upper computer adopts a personal computer and can be selected according to the situation. The communication distance can be expanded infinitely. The system is economical, flexible, and easy to operate. It is more suitable for scientific research and Large, medium and small-scale farmland planting, use and promotion!









Industry Classification: Smart Home

Development platform: STM STMicroelectronics

Delivery form: complete machine

Performance parameters: information acquisition system, alarm system

Application scenario: agricultural IoT planting
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