Solar condensing mirror with adjustable focus and application thereof

Abstract

The invention relates to the technical field of solar application products, in particular to a solar dish-shaped condensing mirror with adjustable focus and an application thereof. The condensing mirror is a high-reflection laminated silver-coated glass mirror, the glass mirror is mounted on a dish-shaped glass support, the support is used for carrying the glass mirror, the carrying surface is in the shape of an arc, the glass mirror and the support are connected through a focus regulating mechanism, and the glass mirror can produce elastic deformation through the regulating mechanism, thereby realizing the focus regulation of the glass mirror. The flat plate tempered glass silver mirror can be concave and deformed by tensioning the flat plate tempered glass reflecting mirror through a focus regulating support and a regulating screw rod, thereby forming the dish-shaped condensing structure; and different condensing focuses can be achieved by appropriately regulating the tensioning degree of the screw rod (the tempered glass can bear a certain elastic deformation and not be broken). A plurality of dish-shaped condensing mirror modules are mounted on a solar tracking support, respective condensing focuses of the dish-shaped condensing mirror modules are irradiated to the same position, the processing process and the mounting method of the dish-shaped condensing mirror group with the adjustable focus are very simple, the cost is low, the large-scale popularization can be realized, and the high-efficient high-power condensation can be further achieved. The high-power condensation can be applied in high-efficient gallium arsenide solar power generation, heat collection power generation, high temperature and strong light utilization and the like.

Description

technical field [0001] The invention relates to the technical field of solar energy application products, in particular to a solar adjustable focus dish condenser with adjustable focus and its application. Background technique [0002] Solar energy has many advantages such as cleanliness and environmental protection, and more and more people pay attention to it. In the process of applying solar energy, it is first necessary to collect sunlight. The usual way is to use a butterfly condenser with a certain curvature to reflect the sunlight to its focal point, and then collect the light energy generated by the collected light. Finally, the collected light energy is converted into photovoltaic power or thermal energy. [0003] The current general dish condenser is made in the following two ways: [0004] The first method is: first, the flat glass is baked and bent at high temperature to form a butterfly glass with the required curvature, and then the butterfly glass is silver...

AI Technical Summary

Problems solved by technology

[0006] There are deficiencies in the above two methods: First, because glass is an amorphous material, it is difficult to control its forming accuracy during thermal processing, that is, it is difficult to ensure the curvature after deformation.

Furthermore, it is very difficult to carry out silver plating process equipment and process on curved glass

Finally, since solar concentrating mirrors are usually used outdoors, if the glass is not strengthened, it will be easily broken by the impact of hail, sand and stones, etc. Therefore, the existing dish-shaped concentrating mirrors are expensive but not good in quality.

[0007] In addition, if a large-area high-power concentrator is made, the geometric accuracy of a single mirror and the splicing accuracy between mirror bodies are very high, and even multiple sets of different forming molds are required, which greatly increases the cost of the product.

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