A concentrating flat-panel photovoltaic photothermal integrated composite solar collector

Abstract

The invention discloses a concentrating flat plate type photovoltaic photothermal integrated composite solar heat collector, which relates to the application field of solar photovoltaic photothermal integration, including a linear Fresnel lens, a photovoltaic module and a cooling module; the photovoltaic module is arranged on The solar radiation energy is converted into electric energy under the linear Fresnel lens; the cooling module is arranged under the photovoltaic module for cooling the photovoltaic module, improving photoelectric conversion efficiency, and utilizing waste heat; The cooling module includes a heat-absorbing plate and a PVC structure below it, the upper surface of the PVC structure is provided with an upwardly opening groove, and the upwardly opening groove forms a flow channel on the upper surface of the PVC structure. The invention solves the connection problem between the flow channel and the heat absorbing plate, improves the comprehensive utilization efficiency of the system, has the advantages of simple structure, low cost, light weight and good cooling effect, and is convenient for manufacture and large-scale production.

Description

Technical field [0001] The present invention relates to the field of solar photovoltaic photothermal integration applications, and more particularly to a concentrated flat-type photovoltaic thermal integrated composite solar collector. Background technique [0002] Solar energy efficient use is one of the effective ways to solve energy shortages and environmental pollution problems. At present, solar photovoltaic and photothermal utilization techniques have become increasingly mature. However, the solar energy is low, unstable, and many expensive problems constrain the subsequent development of the solar industry, and the concentration technology can output more power to the unit area photovoltaic cell, effectively alleviate the above disadvantages, improve the solar energy in light The utilization rate of strength is weak. Among them, linear Fresnel lens is low, easy to install, and meet the actual needs of small home users. [0003] Commercial single crystal silicon batteries c...

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Problems solved by technology

[0006] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is the connection between the flow channel and the heat-absorbing plate, which alleviates the shortcomings of the traditional tube-sheet structure with large thermal resistance and high cost, and realizes the connection between the flow channel and the heat-insulating material. The integrated design, its manufacturing process is simple, easy for large-scale production, can improve the photovoltaic and photothermal comprehensive utilization efficiency of the whole device, operating life and stability

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