Three important subsystems of soil moisture monitoring system

Soil moisture can also refer to the amount of water contained in the soil, which is also known as soil moisture. The measurement by the soil moisture monitoring system also means the amount of water in a particular soil. This is an important component of the soil itself. An important factor in soil fertility, but also the basic condition for crop growth in family farms. How to achieve rapid and effective information on soil moisture, and how to realize low-cost and high-reliability information transmission is an important research project of modern agriculture. Due to the particularity of environment and production process, agricultural production makes information access to soil moisture appear. very difficult.

The soil moisture monitoring system can be divided into three subsystems from the logical structure: data acquisition and transmission subsystem, data storage and management subsystem, and remote monitoring center software subsystem. Data Acquisition and Transmission Subsystem: The data collection node consists of a large number of sensor nodes deployed in the citrus orchard. These nodes are composed of an acquisition node and a sink node. The collection node is used to collect soil moisture information in the citrus orchard and send it to the aggregation node by wireless communication.

As the core node of the whole network, the aggregation node transmits the collection information received in the soil moisture monitoring system to a gateway with an ARM core module, and the gateway transmits the collected information to the remote web host through the Internet network. Also important is the data storage and management subsystem of the soil moisture monitoring system: the system receives and processes the information transmitted by the gateway and stores it in the database. In addition, the database also stores system information such as configuration information of the wireless sensor network, various attribute information of the sensor node, and operator information.

The remote monitoring center software subsystem is mainly for monitoring the operation of the whole system for the soil moisture monitoring system. Since the system is a network application system based on the B/S architecture, different personnel can be realized, from different locations to different access modes. After logging in to the system through the client browser, the user can read the relevant data of the database, realize the function of analyzing and querying the sensory soil moisture collection information, or the graphic display function operation such as data graph drawing, and can also monitor the soil moisture monitoring system. The sensor nodes in the operation and monitoring area are monitored, and the sensor nodes are completed by corresponding instructions.

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