Photovoltaic panel self-cleaning device based on shape memory alloy

Abstract

The invention designs a photovoltaic panel self-cleaning device based on a shape memory alloy. The device comprises a memory alloy power module and a transmission mechanism. The memory alloy power module has a temperature difference with a water end under the effect of illumination. Thus, the memory alloy repeatedly deforms and restores, provides power and cyclically rotates. After transmitted, the power is converted into the linear motion of a cleaning mechanism. After devices are connected in an orderly manner, a water tank is placed on the back of a photovoltaic panel, and the transmissionmechanism and the memory alloy power module are disposed on the side of the photovoltaic panel to receive the light. The thermal energy is converted into mechanical energy to provide power for the water. The photovoltaic panel self-cleaning device has a fully automated process, and uses solar thermal energy to provide power for the devices.

Description

technical field [0001] The invention belongs to the technical field of automatic cleaning of photovoltaic panels, in particular to a self-cleaning device for photovoltaic panels based on shape memory alloys. Background technique [0002] Recently, the installed capacity of new solar photovoltaic power stations in my country is about 10 million kilowatts, the installed capacity of solar thermal power generation is 1 million kilowatts, and the distributed photovoltaic power generation system is about 10 million kilowatts. The investment in photovoltaic power stations is estimated at an average of 10,000 yuan per kilowatt. Calculated at 15,000 yuan per kilowatt, the total investment demand is about 250 billion yuan. my country's solar power industry is booming. In addition, most of my country's photovoltaic power generation is located in the northwest with good lighting conditions and low land use costs. The intensity of light in the western region can be guaranteed to pursue t...

AI Technical Summary

Problems solved by technology

In the actual operation of photovoltaic power plants, the surrounding environment is changing all the time, which affects the power generation performance of photovoltaic cells.

The power generation of a solar cell depends on its output IV curve. When the temperature rises, the short-circuit current of the solar cell increases slightly, and the open-circuit voltage drops significantly, which eventually leads to a decrease in the maximum output power of the cell.

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