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Concentrated solar light guide module

A light guide module and sunlight technology, applied in the field of focused solar light guide modules, can solve the problems of reducing light absorption area, inconvenient application, limited application of solar cells, etc., and achieve the effect of reducing cost and saving utilization rate

Active Publication Date: 2015-10-21
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, solar cells made of semiconductor materials have the highest production cost and price. Therefore, in order to reduce the utilization rate and power generation cost of solar cells, there is a practice of using solar concentrators to reduce the light absorption area.
However, the concentrator needs to be installed in a large area to pay for the cost, which causes inconvenience in application and limits the application of solar cells

Method used

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  • Concentrated solar light guide module
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  • Concentrated solar light guide module

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0085] The concentrating solar light guide module 1000 includes a lens array 1100 and a light guide plate 120 , and an energy conversion component 140 is disposed on the first side 12 of the light guide plate 120 . Wherein, the energy conversion component 140 may be, but not limited to, a photoelectric conversion or a thermoelectric conversion component. The concentrating solar light guide module 1000 is suitable for guiding sunlight 180 to the energy conversion component 140, wherein the sunlight 180 can be regarded as an ideal parallel light.

[0086] Lens array 1100 receives and focuses sunlight 180 . The lens array 1100 includes at least one lens assembly 110, wherein each lens assembly 110 has an upper curved surface 110a and a lower bottom surface 110b. For example, the lens assembly 110 may be, but not limited to, a lenticular lens film manufactured by a micro / nano roll-to-roll (R2R) process. Wherein, the lower bottom surface 110b of the lens assembly 110 is defined a...

no. 2 example

[0096] Figure 1DIt is a schematic structural view of the concentrating solar light guide module according to the second embodiment of the present invention. The concentrating solar light guide module includes a lens array 1100 , a light guide plate 120 and a dielectric layer 150 . The medium layer 150 is disposed between the lens array 1100 (lens assembly 110) and the light guide plate 120, and in order to ensure that the sunlight 180 travels to the interface between the medium layer 150 and the light guide plate 120, it will not form total reflection, but will be completely incident on the light guide plate 120. In the light plate 120, therefore, the dielectric layer refractive index n of the dielectric layer 150 i Less than the refractive index n of the light guide plate 120 c , and the dielectric layer refractive index n of the dielectric layer 150 i Also less than the lens assembly refractive index n of the lens array 1100 1 .

no. 3 example

[0098] Secondly, in order to increase the intensity of reflected light, Figure 2A It is a side view of the structure of the concentrating solar light guide module according to the third embodiment of the present invention. The lens assembly 110' can be a fan-shaped lens, wherein the lens assembly 110' includes an upper curved surface 110a', a lower bottom surface 110b' and a connecting surface 110c. The connection surface 110c connects two adjacent upper curved surfaces 110a'. In this embodiment, the upper curved surface 110a' faces the direction corresponding to the first side 12, so that sunlight 180 will be focused on the light guide plate 120 when entering the lens assembly 110', and the center of the corresponding upper curved surface 110a' is biased toward the first side. 12 , where the incident sunlight 180 can pass through the fan-shaped lens assembly 110 ′ to form a larger incident angle, and further increase the intensity of light reflected by the light guide plate...

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Abstract

A focusing solar light guide module includes a lens array plate and a light guide plate. The lens array plate includes at least one lens. Each lens receiving and focusing a sunlight has an upper curved surface and a lower plane surface. The light guide plate has an upper plane surface parallel to the lower plane surface of the lens array plate and a lower microstructure surface. The lower microstructure surface includes at least one depressed area and at least one connection area parallel to the upper plane surface of the light guide plate. The connection area is connected between the adjacent depressed areas having a depressed point, a first inclined plane and a second inclined plane. The first inclined plane and the second inclined plane are respectively connected between the depressed point and the adjacent connection area.

Description

technical field [0001] The invention relates to a focused solar light guide module, in particular to a focused solar light guide module in which a light guide plate has a microstructure design, allowing sunlight to form secondary reflection through the microstructure design. Background technique [0002] Due to the rapid development of industry, the gradual depletion of fossil fuels and the emission of greenhouse gases have attracted increasing global attention, and the stable supply of energy has become a major global issue. Compared with traditional coal-fired, gas-fired or nuclear power generation, solar cells use photoelectric or thermoelectric conversion effects to directly convert solar energy into electrical energy, so there is no greenhouse effect such as carbon dioxide, nitrogen oxides, and sulfur oxides. Gases and polluting gases, and can be used to reduce dependence on fossil fuels and provide a safe and independent source of electricity. [0003] There are many ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/054G02B19/00G02B6/00G02B3/00F24S23/30F24S23/79
CPCH01L31/0525G02B6/0038H01L31/0543H01L31/0547Y02E10/52
Inventor 林晖雄林俊廷鲍友南许沁如蔡祯辉
Owner IND TECH RES INST
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