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Tower type solar reflecting mirror

A tower-type solar energy and reflector technology, applied in the field of reflectors, can solve the problems that the protective layer of the reflector does not have light diffusion effect, the protective layer is fragile, and the adhesion is poor, so as to protect the glass substrate, avoid all broken, The effect of increasing reflectivity

Inactive Publication Date: 2016-08-24
NANJING DAFENG ALLOY CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In summary, the existing tower-type solar reflectors mainly have the following deficiencies: 1. The base of the reflector has no protective layer and is vulnerable, and there is a danger of complete shattering after brittle fracture; 2. The glass / silver / copper interface in the prior art The adhesion between them is poor; 3. The protective layer of the reflector does not have light diffusion effect

Method used

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with specific drawings, so that those skilled in the art can implement it with reference to the description.

[0023] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0024] like figure 1 As shown, a tower type solar reflector includes a glass substrate 1, a reflective layer 2, a transition layer 3, a protective layer 4 and an anti-ultraviolet protective film 5 that are in contact with each other in sequence, wherein the anti-ultraviolet protective film 5 is inside the film An ultraviolet-resistant protective film having an internal structure with a plurality of regions with a relatively high refractive index in a region with a relatively low refractive index, and the plurality of regions with a relatively high refractive index are bent at an intermed...

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Abstract

The invention discloses a tower type solar reflecting mirror which comprises a glass substrate, a reflecting layer, a transition layer, a protecting layer and an anti-ultraviolet protecting membrane in contact in sequence, wherein the anti-ultraviolet protecting membrane is an internal structure of a plurality of areas with relatively high refractive indexes in areas with relatively low refractive indexes inside the anti-ultraviolet protecting membrane; the anti-ultraviolet protecting membrane is bent from a middle point of the thickness of the membrane in the areas with the relatively high refractive indexes. According to the tower type solar reflecting mirror disclosed by the invention, the reflecting layer and the transition layer are sequentially plated on the surface of the glass substrate by using a vacuum magnetron sputtering method, so that the adhesion property of interfaces is improved, and the durability of the reflecting membrane is improved; due to addition of the protecting membrane with a light diffusion function, the reflection efficiency of the reflecting mirror is improved, and the reflecting mirror is good in aging resistance and ultraviolet resistance.

Description

technical field [0001] The invention relates to the field of reflecting mirrors, and more specifically, the invention relates to a tower type solar reflecting mirror. Background technique [0002] In tower solar thermal power generation technology, heliostat technology is one of the key technologies to realize tower solar thermal power generation. The function of the heliostat is to capture, reflect, focus sunlight, and project it to the solar receiver, which is a key component to increase the energy density of the solar energy. At the same time, the construction practice of tower-type solar power plants at home and abroad shows that the heliostat group is the largest investment in tower-type solar thermal power plants, and it is also one of the reasons that restrict the rapid development of tower-type solar thermal power generation. Reducing the cost of heliostats and improving the cost performance of heliostats is one of the effective means to promote the development of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/08G02B1/14
CPCG02B5/0808G02B1/14
Inventor 王咏梅秦强
Owner NANJING DAFENG ALLOY CO LTD
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