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Inflatable non-imaging solar concentrator

A concentrator and balloon technology, which is applied to solar collectors, solar collector controllers, components of solar collectors, etc., can solve problems such as inability to prepare gas-filled concentrators.

Inactive Publication Date: 2018-09-07
王永华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Winston's invention provides non-imaging concentrating optics and device principles, but the device is open and cannot prepare gas-filled concentrators

Method used

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  • Inflatable non-imaging solar concentrator
  • Inflatable non-imaging solar concentrator

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Embodiment Construction

[0014] The purpose of the present invention is achieved through the following technical solutions: the transparent elastic film is cut in a certain way and heat-sealed into a hemispherical shape, the reflective elastic film is cut in a certain way and heat-sealed into a CPC shape, and the transparent elastic film is cut in a certain way and made The transparent bottom cover, and then the three are heat-sealed to form a sealed air bag. The sealed airbag becomes a closed CPC concentrator after inflated.

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PUM

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Abstract

An extremely low-cost solar concentrator is formed by inflating an elastic film. The solar concentrator is characterized in that an enclosed airbag is formed by a transparent film and a reflective film and then is inflated into a compound parabolic concentrator (CPC) non-imaging concentrator. The concentrator portion of the inflatable CPC is formed with the reflective film, and the portions on thetop of CPC and on the bottom of the concentrator are made of the transparent film. The incident light including parallel rays of light and diffuse light, as long as falling into the half acceptance angle of the CPC, will be concentrated to the exit aperture of the CPC. Therefore, this type concentrator reduces the requirement to the accuracy of tracking for concentration. In addition, this type of concentrator demonstrates more tolerance to shape distortion.

Description

technical field [0001] The invention relates to a solar light concentrating device, in particular to an inflatable non-imaging solar light concentrator, which belongs to the field of solar energy collection and transformation. Background technique [0002] Solar energy is clean, inexhaustible, and widely distributed in every corner of the world. Solar energy is the most ideal energy source for the earth, and it is the only hope for the earth after fossil fuels are exhausted. However, in order for solar energy to become a mainstream energy source, used to support grid power generation, building energy consumption, and transportation system energy consumption, the cost of solar energy systems must be greatly reduced and the efficiency must be greatly improved. The main reason for the high cost of solar energy systems relative to other forms of energy is the low energy flux density characteristic of solar radiation. The intensity of solar radiation reaching the earth's surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B19/00G02B5/10
CPCG02B5/10G02B19/0023G02B19/0042Y02E10/47F24S23/80F24S80/52F24S80/525F24S20/80F24S23/81F24S20/50F24S50/20
Inventor 王永华
Owner 王永华
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