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Light collecting device

A technology of collecting light and light, which is applied in the field of solar light collecting devices, can solve the problem of high cost, achieve the effect of reducing reflection, reducing production cost, and improving light collection efficiency

Inactive Publication Date: 2009-02-11
PRODISC TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the light-collecting lens unit 11 of the conventional light-collecting device 1 is a convex lens structure. During the light-collecting process, part of the light will inevitably be reflected. In addition, the optical convex lens is usually made of glass, which requires grinding, etc. form, so the cost is also higher

Method used

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Embodiment Construction

[0037] Hereinafter, a light collection device according to a preferred embodiment of the present invention will be described with reference to related drawings, in which the same elements will be described with the same reference signs.

[0038] Please refer to figure 2 As shown, a light collection device 2 according to a preferred embodiment of the present invention includes a Fresnel lens unit 21 and an anti-reflection layer 22. In this embodiment, the light collecting device 2 is a solar light collecting device.

[0039] The Fresnel lens unit 21 has a light incident surface 211 and a light exit surface 212. The Fresnel lens unit 21 has at least one Fresnel lens and is arranged on the light incident surface 211. The type of the Fresnel lens can be a linear fresnel lens arranged periodically or a concentric fresnel lens. In terms of design, each Fresnel lens can have one or more focal lengths.

[0040] Please also refer to figure 2 and image 3 As shown, the anti-reflection lay...

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Abstract

The invention relates to an optical collector which is adjacent to an optical processing unit. The optical collector comprises a Frensnel lens unit and an antireflection layer. The Frensnel lens unit is provided with a light incident face and a light emergent face, and the optical processing unit is adjacent to the light emergent face, and is used for transmitting or transferring the light emerged out by the Frensnel lens unit. The antireflection layer is arranged on the light incident face.

Description

Technical field [0001] The invention relates to a light collection device, in particular to a solar light collection device. Background technique [0002] Solar energy is a natural renewable energy source. After light energy conversion, it produces usable energy, such as electricity. Because solar energy has no pollution problems and is easy to obtain, and never exhausts, solar energy has become one of the important alternative energy sources. Solar energy has the characteristics of large area, low density and low utilization. Therefore, a light collection system or light collection device is required to convert solar energy into a small area, high density and high utilization rate of light energy in an effective space. [0003] Please refer to figure 1 As shown, a conventional light collecting device 1 includes a light collecting lens unit 11 and an optical fiber cable 13. The light collecting device 1 is a solar light collecting device. The light collecting lens unit 11 is a c...

Claims

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Application Information

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IPC IPC(8): G02B3/08G02B1/10F24J2/08H01L25/00F24S23/30G02B1/11
CPCY02E10/43Y02E10/40
Inventor 陈宏伦邓国欣张汉宜
Owner PRODISC TECH INC
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