WSN-based photovoltaic greenhouse monitoring system and construction method thereof

Abstract

The invention discloses a WSN-based photovoltaic greenhouse monitoring system and a construction method. The method is based on the wireless sensor network to realize the environmental information monitoring of the greenhouse, uses the solar photovoltaic power generation to supply the electric energy of the greenhouse, and combines the industrial control machine and the PLC to realize the greenhouse control, and the organic combination of the three realizes the comprehensive monitoring and control of the greenhouse; the system includes wireless information collection nodes (8) And wireless information collection convergence node (9), wireless information control node (6) and wireless information control convergence node (5), on-site central controller (7), solar photovoltaic power generation system (1); solar photovoltaic power generation system (1) It includes a solar photovoltaic matrix (2), a solar controller (12), a storage battery (3), a DC / AC inverter (11), and a grid-connected controller (10), and the solar photovoltaic matrix (2) is controlled by solar energy The inverter (12) is connected to the battery (3) and the DC / AC inverter (11) respectively, and the DC / AC inverter (11) and the traditional power grid (4) are connected to the on-site central control through the grid-connected controller (10) Device (7) is connected. The system has high reliability and is easy to expand, reducing the annual energy consumption of the greenhouse.

Description

technical field [0001] The invention relates to the technical field of facility agricultural automation, in particular to a photovoltaic greenhouse monitoring system and construction method based on a wireless sensor network (WSN). Background technique [0002] The annual operation and management of the existing greenhouses in our country consumes a lot of energy, especially in the summer when the temperature needs to be cooled and in the winter when it needs to be kept warm and heated, resulting in high energy consumption and high operating costs, which directly affect the efficiency of the greenhouse. How to reduce the energy consumption cost of greenhouse operation is the key to the current annual operation of greenhouses. The use of photovoltaic power generation by solar cells to provide green energy for the cultivation of greenhouse flowers and vegetables and the growth environment control system, thereby saving energy and reducing consumption, and improving the annual ...

AI Technical Summary

Problems solved by technology

However, this device mainly involves field environmental monitoring. Whether it is suitable for a biological system such as a greenhouse with characteristics such as life characteristics, inhomogeneity, periodicity, coupling, and large inertia, and the particularity of its internal microclimate environment remains to be seen. to be studied

[0005] To sum up, the existing greenhouse monitoring and control technology and equipment are mainly aimed at ordinary glass greenhouses or plastic multi-span greenhouses, and lack of photovoltaic power generation. Research on Monitoring of Complex Environmental Factors

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