Abstract
A greenhouse provides a stable and suitable environment for the growth of plants. Temperature and humidity are closely related to plant growth. These factors directly affect the water content of plants and the quality of fruits. To solve the problems in the current monitoring system of greenhouse cultivation, such as complicated wiring, large node power consumption, and so on, this study proposes a wireless sensor network greenhouse-monitoring system based on third-generation network communication for the real-time monitoring of the temperature, humidity, light, and CO2 concentration in a greenhouse. GS1011M is regarded as the core in developing wireless terminal nodes. PC software is used to build a real-time observation platform. Sensor data are received in real time through a wireless communication network to complete the monitoring of the target area. A simulation research is also conducted. Results show that the power dissipation of the greenhouse environmental monitoring system is low, its data accuracy is high, and its operation is stable.
Highlights
Greenhouse facilities are being rapidly developed and expanded
The results indicate that the power dissipation of the greenhouse environmental monitoring system is low, its data accuracy is high, and its operation is stable
The traditional temperature and humidity monitoring system requires arranging a large number of measurement cables in a greenhouse
Summary
Greenhouse facilities are being rapidly developed and expanded. The environmental conditions of a greenhouse directly affect the growth of crops. Environmental automatic control technology is an effective means to improve the control technology of a greenhouse environment. The temperature, humidity, light intensity, and CO2 concentration in a greenhouse are the data that should be monitored frequently in modern agriculture. The traditional temperature and humidity monitoring system needs to arrange a large number of measurement cables in a greenhouse. The WSN based on wireless communication technology has the advantages of convenient installation, flexible movement, and high precision. This system enables concerned personnel to conveniently monitor various real-time data of each access point (AP) node and terminal node through the network-monitoring platform. The system allows convenient monitoring of greenhouse equipment to achieve the best temperature, humidity, light, and air states. In the field of agriculture, WSNs have been mainly used to make decisions in irriga-
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