Closed-loop capillary solar photovoltaic thermoelectric plate

Abstract

The invention discloses a closed loop capillary solar photovoltaic thermoelectric plate, belonging to the field of solar photovoltaic generation and solar heat collection, which is characterized in that the device comprises a header tube, a finned tube, a capillary tube, a graphite heat conductive layer, a metal frame, a solar cell plate and a heat-insulating layer, wherein the capillary tube is formed by metal tubes with 2-5mm inner diameter, and is connected with the finned tube to form a closed pipeline system. The capillary tube is filled with heat transfer medium, and the heat transfer medium can absorb the heat energy of the solar cell plate to form a steam liquid column to enter into the finned tube when in work, and then returns to the capillary tube after being cooled and condensed by medium outside the tube, and resorbs the heat energy of the solar cell plate, and is heated to gasify, thereby finishing the heat transfer process through the circulation. The invention has the effects and benefits that the capillary metal tube can timely and effectively conduct away working waste heat of the solar cell plate, reduces the working temperature of the solar cell plate, increases the efficiency of photo-electronic conversion, and simultaneously realizes recycling of the working waste heat of the solar cell plate.

Description

technical field [0001] The invention belongs to the fields of solar photovoltaic power generation and solar heat collection, and relates to a solar photovoltaic heat integration technology that utilizes closed capillary metal tubes to improve the power generation efficiency of a solar photovoltaic cell panel and simultaneously supplies solar heat energy. Background technique [0002] Solar photovoltaic panels and solar collectors are the key equipment of solar energy utilization systems. The photoelectric conversion efficiency of solar photovoltaic panels is greatly affected by the temperature of the panels. The higher the temperature, the lower the power generation efficiency. Therefore, many experts and scholars at home and abroad have proposed adding cooling air, cooling water and heat pumps behind the photovoltaic panels. Solar photovoltaic thermal integration technology for cooling system. Studies have shown that the method of adding cooling air and cooling water behin...

AI Technical Summary

Problems solved by technology

Studies have shown that the method of adding cooling air and cooling water behind the photovoltaic panels can increase the power generation efficiency of the panels by 3 to 4%, but it also consumes a certain amount of energy consumption of fans or water pumps.

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