Light-collecting composite solar photovoltaic photo-thermal combined collection converter

A technology of solar energy collection and concentrator, which is applied in the directions of solar heat collector, solar thermal energy, solar thermal power generation, etc.

Inactive Publication Date: 2014-02-12
施锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far there has been no successful way to integrate photovoltaic systems into concentrating solar thermal systems

Method used

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  • Light-collecting composite solar photovoltaic photo-thermal combined collection converter

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Embodiment Construction

[0017] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] Such as figure 1 As shown, this concentrating solar photovoltaic photothermal combined conversion device is composed of a closed structure concentrator and a receiver. In this architecture, the receiver is integrated in a closed structure concentrator preventing any contamination from contamination. The closed structure of the concentrator allows it to be made of light and thin materials but still has a certain mechanical strength to resist wind pressure. This closed structure eliminates the bulky and expensive support and fastening material of conventional open systems, thus making it inexpensive and lightweight.

[0019] Such as figure 2 As shown, the upper half of the transparent cover layer 10 and the lower half of the trough paraboloid 15 are connected to form a closed structure of the concentrator. The reflective layer 18 is ...

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Abstract

The invention discloses a light-collecting composite solar photovoltaic photo-thermal combined collection and conversion device, which comprises an enclosed light collector and a vacuum tube composite photovoltaic photo-thermal conversion receiver for generating electric energy and heat energy simultaneously. Due to the adoption of an enclosed structure, the light collector can be made of a light and thin material, and sufficient mechanical strength is still kept for resisting wind load without supporting and fastening members. According to the structure, the cost and weight of the light collector can be greatly reduced, the optical efficiency is increased compared with that of an open light collector, natural protection is provided for a reflecting surface, and the composite solar photovoltaic photo-thermal converter can be prevented from being polluted. According to a vacuum tube composite photovoltaic photo-thermal combined converter, the solar conversion efficiency of the system can be greatly increased, and high-temperature heat energy can be output. According to the characteristic, solar heating, refrigeration and thermal power generation become economical and practicable. Moreover, heat exchange between a solar absorber and the wall of the light collector is isolated by using a vacuum tube receiver.

Description

technical field [0001] The invention relates to a solar energy collection and conversion device, in particular to a closed structure concentrating compound solar photothermal and photoelectric combined collection and conversion device. Background technique [0002] The three major factors restricting the development of solar technology are high cost, low efficiency, and discontinuity. In order for solar energy technology to be widely used and developed, solar energy technology must greatly reduce costs, fundamentally improve efficiency, and completely solve the problem of discontinuity. The root cause of the high cost and low efficiency of solar energy technology lies in the characteristics of solar energy resources and the characteristics of solar energy conversion technology. Solar radiation is a kind of sparse light energy, and the average solar radiation energy flux density irradiating the earth's surface is only about 800W / m 2 . Existing conventional technologies use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/05F24J2/12F24J2/24H02S40/44H02S40/22F24S10/40F24S10/70F24S23/71
CPCY02E10/42Y02E10/44Y02E10/52Y02E10/60
Inventor 施锋
Owner 施锋
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