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A light energy total reflection concentrator

A technology of total reflection and concentrator, which is applied in the field of solar energy and optical concentrator, can solve the problem of not being able to completely get rid of reflection attenuation, etc., and achieve the effect of simple structure and high energy transmission efficiency.

Active Publication Date: 2017-09-12
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this design still cannot completely get rid of the drawbacks of reflection attenuation caused by using specular reflection.

Method used

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  • A light energy total reflection concentrator
  • A light energy total reflection concentrator
  • A light energy total reflection concentrator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Such as figure 1 and figure 2 As shown, a light energy total reflection concentrator performs light concentrating and light transmission according to the principle of total reflection. The light energy total reflection concentrator is made of a whole piece of light-transmitting material, including parabolic concentrator 1, Cylindrical reflector 2 and circular arc refraction surface 3, the three are arranged sequentially along the same axis of symmetry; the parabolic concentrator 1 is connected end to end with the cylindrical reflector 2, and the circular arc refraction surface 3 is formed by the bottom of the cylindrical reflector 2 A hemispherical body is dug out from the inner side; the parallel light beam parallel to the axis of symmetry is incident from the top of the parabolic concentrator 1;

[0056] The light energy total reflection concentrator is made of a whole piece of light-transmitting material. The light energy total reflection light concentrator is a w...

Embodiment 2

[0080] Such as Figure 8 As shown, a plurality of light energy total reflection concentrators described in Embodiment 1 are combined in parallel to form a unidirectional large-section concentrator system. The large-section concentrating system increases the receiving surface of the parallel incident light beam on the plane by arranging a plurality of light energy total reflection concentrators of the present invention in the same plane structure, and obtains higher density energy flow light energy .

Embodiment 3

[0082] Such as Figure 9 As shown, a plurality of light energy total reflection concentrators described in Embodiment 1 are combined in parallel to form a multi-directional section light concentrating system. The multi-section concentrating system sets a kind of light energy total reflection concentrator connected in parallel at multiple angles, collects sunlight as parallel incident beams at each time period as much as possible, prolongs the best lighting time period, and ensures that each time period The best light source can be collected.

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Abstract

The invention discloses a light energy total reflection concentrator, which is made of a whole piece of light-transmitting material, including a parabolic light concentrator, a cylindrical reflector and an arc refraction surface, and the three are sequentially arranged along the same axis of symmetry; The parabolic concentrator is connected end to end with the cylindrical reflector, and the arc refraction surface is formed by digging out a hemisphere from the inner side of the bottom of the cylindrical reflector; the parallel light beam parallel to the axis of symmetry is incident from the top of the parabolic concentrator; The center of the arc refraction surface is located above the focal point formed by the reflection of the parallel beam through the parabolic concentrator and the cylindrical reflector, and the highest position of the arc refraction surface is located at the propagation of all incident parallel beams after the first reflection of the parabola concentrator below the path. The invention can gather light beams with low energy flux density, facilitate full utilization of light energy with high energy flux density, has the characteristics of simplicity, high efficiency and practicality, and is favorable for wide popularization.

Description

technical field [0001] The invention belongs to the field of solar energy and optical concentrating, in particular to a light energy total reflection concentrator. Background technique [0002] With the increasing energy demand in the world, the research and utilization of emerging energy such as solar energy has become a research and development hotspot. Therefore, the concentrator of the inventor (designer) of the present invention's "multi-curved surface composite solar concentrator based on the principle of bionics" (patent application number: 200710062696.0) consists of 2 or more compound parabolic concentrators that must be polarized The transition composition of the Fresnel light guide lens or a modified Fresnel light guide lens adopts specular reflection, and the reflectivity is always less than 100%, and as the use time increases, the reflectivity continues to decrease, and the light beam must pass through 3 in the concentrator The number of reflections increases t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B19/00
Inventor 何开岩
Owner GUANGXI UNIV
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