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Solar heat collector

A technology of solar heat collectors and vacuum heat collecting tubes, applied in the field of solar energy, can solve the problems of being unable to be applied, high emissivity, and low heat absorption efficiency, and achieve the effects of promoting medium and high temperature applications, increasing working temperature, and reducing production costs

Inactive Publication Date: 2014-02-12
YIKEBO ENERGY TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current vacuum tube solar collectors are generally used in low-temperature domestic solar water heaters at around 20-80°C. Due to the low heat absorption efficiency and high emissivity of the current vacuum tube solar collectors, they cannot be used for higher work In case of temperature

Method used

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Embodiment Construction

[0024] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0025] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings. The same or similar components in the figures are denoted by the same reference numerals.

[0026] figure 1 , figure 2 , Figure 4 Respectively show the structural representations of the first, second and third embodiments of the solar heat collector of the present invention, image 3 The focusing principle of the Fresnel focusing lens of the s...

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Abstract

The invention relates to the technical field of solar energy and discloses a solar heat collector. The solar heat collector comprises focusing devices, a plurality of vacuum heat collecting tubes, selective absorbing coatings and a bracket, wherein the vacuum heat collecting tubes are located below the focusing devices, the selective absorbing coatings are coated on the vacuum heat collecting tubes, and the bracket is used for fixedly arranging the focusing devices and the vacuum heat collecting tubes. The solar heat collector disclosed by the invention has higher working temperature, the limitations that the existing solar heat collectors have low working temperature are broken through, and the high-temperature application of the solar heat collector is promoted effectively. The solar heat collector has the advantages of simple structure, low manufacturing cost, wide application range and the like.

Description

technical field [0001] The invention relates to the technical field of solar energy, in particular to a solar heat collector. Background technique [0002] In the face of increasingly intensified resource and environmental constraints and energy supply pressure, it is the current and future development trend of the energy industry to develop renewable energy, realize the replacement of old and new energy, and take the road of sustainable development. Because solar energy is clean, non-polluting, and inexhaustible, it fully meets the selection criteria for new energy under the current global energy crisis, and has become an important development strategy for global sustainable energy development. Most of China is located south of 45 degrees north latitude and has abundant solar energy resources. It is estimated that the annual solar radiation energy is 3340-8400MJ / m 2 , the total solar radiation energy received by the land surface area of ​​the country is equivalent to 1.7 t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/06F24J2/24F24J2/48F24S10/70F24S23/00
CPCY02E10/44
Inventor 项晓东
Owner YIKEBO ENERGY TECH SHANGHAI
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