Double-louver type sunlight concentrating device and sunlight concentrating method

Through the double-looped solar light convergence device, the sunlight rays are converged twice in two vertical directions, solving the problems of low power generation efficiency and waste of resources in traditional photovoltaic power generation technology, and achieving efficient photovoltaic power generation and resource conservation.

CN112902468BActive Publication Date: 2025-03-25XIAN THERMAL POWER RES INST CO LTD
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Patent Information

Application Number
CN202110344933.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-03-31
Publication Date
2025-03-25
Estimated Expiration
2041-03-31

AI Technical Summary

Technical Problem

Traditional photovoltaic power generation technology has problems with low power generation efficiency and waste of solar energy resources. Concentrated photovoltaic power generation technology requires appropriate convergence of sunlight with low energy density, but existing light concentrating devices have reflection of light on the interface and absorption and dispersion of lens materials, which affects the absorption efficiency of photovoltaic modules.

Method used

A double-looped sunlight convergence device is adopted, which includes a two-layer reflector plate group and a driving mechanism. The sunlight rays are converged twice in two directions perpendicular to each other through two layers of reflector plates similar to the shutter structure, achieving high-power convergence of light.

Benefits of technology

It realizes efficient solar light convergence, improves the power generation efficiency of photovoltaic modules, reduces the use of photovoltaic modules and the occupation of land resources, and has a simple structure and low cost, making it suitable for large-scale concentrated photovoltaic applications.

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Abstract

The present invention discloses a double-shutter type sunlight converging device and a sunlight converging method, the device comprises a concentrator outer frame, a first layer of reflecting plate group, a second layer of reflecting plate group, a pitch bracket, a pitch driving mechanism, a rotating bracket and a rotating driving mechanism; the device utilizes the pitch bracket, the rotating bracket, the pitch driving mechanism and the rotating driving mechanism to drive the concentrator outer frame to vertically receive sunlight, the light is reflected by the planes of the first layer of reflecting plate group and the second layer of reflecting plate group, and after two emissions, a light spot is formed which is much smaller than the area of ​​the concentrator outer frame, thereby realizing high-multiplier convergence of sunlight, having the advantages of simple structure, low cost, large-scale and the like, and being suitable for large-scale concentrated photovoltaic power generation applications.
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