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Soil (moisture content) monitoring system
1、 Application scenarios
(1) Geological hazard monitoring;
(2) Flood control and drought resistance monitoring;
(3) Soil moisture research;
(4) Agricultural intelligent irrigation;
2、 Requirement analysis
In response to the needs of scientific management of water resources and drought relief decision-making, analyzing soil moisture and drought conditions, and strengthening soil moisture monitoring are important foundational work for the rational utilization of water resources, scientific management of water resources, and drought relief decision-making. Therefore, it is imperative to increase investment in drought and soil moisture monitoring systems.
Soil moisture is one of the main limiting factors for crop growth. The intensification and uncertainty of climate change, frequent occurrences of droughts, floods, and droughts, have a huge impact on agricultural production and pose increasing threats. Based on the results of soil moisture monitoring, understanding the soil moisture content, and taking timely measures such as agricultural irrigation or drainage according to the abundance or deficiency of moisture content, can effectively reduce the impact of droughts and floods on agricultural production. The monitoring and forecasting of soil moisture is of great significance.
3、 System composition
3.1 System Topology Diagram
3.2 Hardware System
4、 System features
♦ Adopting an integrated conduit design and fully sealed structure, the overall protection level reaches IP68, suitable for harsh natural environments in the wild;
♦ Collecting multiple monitoring elements can simultaneously layer and collect soil moisture content, soil temperature, battery voltage, environmental temperature, GPS positioning information and other elements, greatly increasing the correlation of collected data and facilitating subsequent data analysis;
♦ The sensor adopts non-contact measurement method, which does not directly contact with the soil, and minimizes the interference of soil corrosion and other factors on the sensitive components of the sensor, greatly increasing its service life;
♦ Triggered collection, which can immediately collect soil moisture content when the sensor is displaced, can be used to study the relationship between moisture content and landslide movement;
♦ The sensor integrates multiple sensor measuring points internally, with a distance of 10cm between each measuring point and a measurement range of 10cm. It can achieve continuous monitoring at various depths and has better measurement continuity compared to traditional pin sensors;
♦ The sensor has a larger measurement range and can monitor the water content inside a cylinder within a radius of 15cm;
♦ The shell adopts laser screen printing scale, which is convenient for aligning with the monitoring depth during installation;
♦ Working temperature range -40 ℃~+85 ℃, temperature compensation;
♦ Excellent lightning protection and anti-static performance (± 60KV/600W);
5、 Application effect
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