CN107294486B - Light-guiding solar cell panel - Google Patents
Light-guiding solar cell panel Download PDFInfo
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- CN107294486B CN107294486B CN201710484341.4A CN201710484341A CN107294486B CN 107294486 B CN107294486 B CN 107294486B CN 201710484341 A CN201710484341 A CN 201710484341A CN 107294486 B CN107294486 B CN 107294486B
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- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 229920002972 Acrylic fiber Polymers 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Light Guides In General And Applications Therefor (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a light-guiding solar cell panel, which comprises a light-guiding plate, a bracket, a light source direction detector, a converging port and an optical waveguide, wherein the light-guiding plate is arranged on the bracket; the light guide plate comprises a focusing micro lens array, a single mirror surface grating, a corner mirror surface and a mirror surface chassis, the light guide plate is supported by a bracket, and the converging port is positioned in the middle of a disc of the light guide plate; the light source direction detector is arranged above the converging port, and the lower end of the light source direction detector is connected with the optical waveguide. After the light rays vertically enter the lens array and pass through the gaps of the single-mirror-surface grating, a part of light rays can directly irradiate on the mirror surface chassis, a part of light rays can irradiate on the curved mirror surface, the curved mirror surface can reflect the light rays to the back surface of the single-mirror-surface grating and then reflect the light rays again, and finally all the light rays can be collected at a collecting port and transmitted to a solar panel chamber through an optical waveguide for solar power generation.
Description
Technical Field
The invention relates to the field of new energy, in particular to a light-guiding solar cell panel.
Background
Conventional solar devices expose expensive solar panels outdoors and typically require large-area photovoltaic panels to work in concert in order to obtain sufficient electrical power. Firstly, the expensive cost of the photovoltaic panel is a main obstacle restricting the popularization of solar devices, how to improve the conversion efficiency and reduce the installation area of the photovoltaic panel is a problem to be solved urgently in the photovoltaic field. Secondly, the traditional photovoltaic panel is directly exposed to sunlight, and is subjected to natural condition tests such as wind blowing, rain blowing and the like, so that the influence of accumulation of pollutants such as dust particles on the photovoltaic panel is destructive to the outdoor environment with serious pollution to the Chinese air.
Therefore, how to improve the conversion efficiency of the photovoltaic panel, reduce the number of panels used, and avoid the severe working environment of the photovoltaic panel is an urgent problem to be solved.
Disclosure of Invention
The invention aims at solving the technical problems and provides a light-guiding solar cell panel.
The technical scheme provided by the invention is as follows:
a light-guiding solar cell panel comprises a light-guiding plate, a bracket, a light source direction detector, a converging port and an optical waveguide; the light guide plate comprises a focusing micro lens array, a single mirror surface grating, a corner mirror surface and a mirror surface chassis, the light guide plate is supported by a bracket, and the converging port is positioned in the middle of a disc of the light guide plate; the light source direction detector is arranged above the converging port, and the lower end of the light source direction detector is connected with the optical waveguide.
The light guide plate is provided with a focusing micro-lens array, the shape of the focusing micro-lens array is square, round, polygonal or irregular, and the material is acrylic plastic material or glass material.
A single-mirror-surface grating is placed on the back focal plane of the light guide plate focusing micro lens array, the backlight surface of the single-mirror-surface grating is a reflecting mirror surface, and the small holes/slits of the single-mirror-surface grating are just positioned on the focus of the focusing micro lens array. The single mirror surface grating is made of metal or glass.
The lower side of the small hole/slit of the single mirror grating is provided with a corner mirror surface with an arc surface, and the center of the arc surface of the corner mirror surface is positioned at one side of the converging opening.
Specifically, the single-mirror grating is an aperture grating, the vertical radian of the corner mirror surface is 1/4 circle, the horizontal radian is 1/2 circle, and the inner side and the outer side are mirrors capable of reflecting light. The main functions of the lens are to ensure that light rays are all transmitted towards the direction of the converging port and prevent light rays which penetrate other lenses from leaking from the small hole.
The bottom of the light guide plate is provided with a mirror surface chassis, the sunny side of the mirror surface chassis is a mirror surface and has a certain included angle with the horizontal direction, namely, the chassis far away from the converging port side is slightly higher than the converging port side, so that light rays can be guaranteed to be converged towards the converging port.
The converging port is positioned in the middle of the disc of the light guide plate and is mainly used for coupling sunlight collected by the light guide plate and transmitting the sunlight out through the optical waveguide.
The light source direction detector is used for monitoring the incident direction of sunlight at any time, and can monitor the incident direction of sunlight in real time, so that the inclined direction of the light guide plate can be adjusted in real time, and the light is ensured to be vertically incident on the light guide plate at any time.
After the light rays vertically enter the lens array and pass through the gaps of the single-mirror-surface grating, part of the light rays can directly irradiate onto the mirror surface chassis. A portion of the light will strike the corner mirror, which will reflect it back to the back of the single mirror grating and then be reflected again. Finally, all the light rays are converged at the converging port and transmitted to the solar panel chamber through the optical waveguide for solar power generation.
The other specific structure is that a grating with a strip slit is placed on the back focal plane of the light guide plate focusing microlens array, the back surface of the grating is a reflecting mirror surface, a column corner mirror surface with a cambered surface is arranged along the lower side of the grating, the shape of the corner mirror surface is a 1/2 hollow column body cut along the central axis of the column, and the circle center of the column body is arranged at one side of the convergence opening.
Compared with the prior art, the invention has the remarkable advantages that:
1. the invention adopts the curved corner mirror structure, not only ensures that all rays are transmitted towards the converging port, but also avoids the collected solar rays from leaking out from small holes in the single mirror grating.
2. The invention adopts a single mirror surface grating structure, ensures that light rays can be collected to the maximum extent and can only propagate between the mirror surface chassis and the grating.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a structural view of a light guide plate.
Fig. 3 is a structural diagram of embodiment 2.
Detailed Description
The invention will be further illustrated with reference to specific examples.
As shown in fig. 1, a light-guiding solar panel comprises a light-guiding plate 1, a bracket 2, a light source direction detector 3, a converging port 4 and an optical waveguide 5; the light guide plate 1 comprises a focusing micro lens array 11, a single mirror surface grating 12, a corner mirror surface 13 and a mirror surface chassis 14, the light guide plate 1 is supported by the support 2, and the converging port 4 is positioned in the middle of the disc of the light guide plate 1; the light source direction detector 3 is arranged above the converging port 4, and the lower end of the light source direction detector 3 is connected with the optical waveguide 5.
The light guide plate 1 is provided with a focusing micro-lens array 11, and the focusing micro-lens array 11 is square, round, polygonal or irregular, and is made of acrylic plastic material or glass material.
A single-mirror-surface grating is placed on the back focal plane of the focusing micro lens array 11 of the light guide plate 1, and the back surface of the grating is a reflective mirror surface.
The lower side of the hole/seam of the single mirror grating 12 is provided with a corner mirror surface 13 with an arc surface, and the arc center of the corner mirror surface 13 is positioned at one side of the convergence port 4.
The bottom of the light guide plate 1 is provided with a mirror surface chassis 14, the sunny side of the mirror surface chassis 14 is a mirror surface, and a certain included angle is formed between the mirror surface chassis and the horizontal direction, namely the chassis far away from the converging port 4 side is slightly higher than the converging port 4 side.
The main function of the light source direction detector 3 is to monitor the incident direction of sunlight in real time, and when the sunlight is not vertically incident, the light source direction detector transmits a signal, and then the inclined direction of the light guide plate is adjusted through a mechanical system until the sunlight is vertically incident to the light guide plate again. When sunlight passes through the focusing microlens array 11, the light is converged to a back focal plane to form a spot according to the lens principle. An array of single mirror gratings 12 located on the back focal plane, the spots will pass through the holes/slits into the inside of the light guide plate 1. As shown in fig. 2, the light on the right side of the single lens can directly enter the inner side of the light guide plate 1, and is reflected multiple times by the inner sides of the mirror chassis 14 and the single mirror grating 12, and finally is converged at the convergence port 4. However, the left-hand light ray of the individual lens will fall on the corner mirror 13 due to the direction of incidence. Since the center of the corner mirror 13 is located at the converging side, the light is reflected and propagates toward the converging side. If there is a light ray that propagates further outward and is directed exactly at the hole/slit location, the light ray will be reflected off the back of the corner mirror 13 and will still propagate toward the convergence due to the outward curvature.
Example 1: light solar panel (with light source direction detector)
A single-mirror-surface grating 12 is placed on the back focal plane of the focusing micro-lens array 11 of the light guide plate 1, the backlight surface of the single-mirror-surface grating 12 is a reflective mirror surface, the single-mirror-surface grating 12 is a hole grating, and the small holes of the hole grating are just positioned on the focus of the focusing micro-lens array 11. The single mirror grating 12 is made of metal or glass. The vertical radian of the corner mirror surface 13 is 1/4 circle, the horizontal radian is 1/2 circle, and the inner side and the outer side are mirror surfaces capable of reflecting light.
The main function of the light source direction detector 3 is to monitor the incident direction of sunlight in real time, and when the sunlight is not vertically incident, the light source direction detector transmits a signal, and then the inclined direction of the light guide plate is adjusted through a mechanical system until the sunlight is vertically incident to the light guide plate again. When sunlight passes through the micro lens array, the sunlight is converged on a back focal plane to form a light spot according to a lens principle. And the aperture grating array is positioned on the back focal plane, and light spots can enter the inner side of the light guide plate through the apertures. As shown in fig. 2, the right light of the single lens can directly enter the inner side of the light guide plate, and is reflected for multiple times by the inner side of the mirror chassis 14 and the inner side of the aperture grating, and finally is converged at the convergence port 4. However, the left-hand light ray of the individual lens will fall on the corner mirror 13 due to the direction of incidence. Since the center of the corner mirror 13 is located at the converging side, the light is reflected and propagates toward the converging side. If there is a light ray from the outside that propagates, and the direction is exactly where the aperture is located, the light ray will be reflected off the back of the corner mirror 13, and the light ray will still propagate to the convergence because of the outward curvature.
Example 2: light-guiding solar panel (no light source direction detector)
The greatest difference from example 1 of the solar collector without the light source direction detector is that the small holes in the hole grating become long slits, the corner mirror surface is changed from the original 1/4 hollow sphere to a 1/2 hollow cylinder which is cut along the central axis of the cylinder, and the circle center of the cylinder is still at one side of the convergence position. As shown in fig. 3.
When sunlight passes through the micro lens array, the sunlight is converged on a back focal plane to form a light spot according to a lens principle. And the grating array is positioned on the back focal plane, and light spots can enter the inner side of the light guide plate through the slit. As shown in fig. 2, the light on the right side of the single lens can directly enter the inner side of the light guide plate, and is reflected for multiple times by the inner sides of the mirror chassis and the slit grating, and finally is converged at the convergence port. However, the left-hand light ray of the individual lens will fall on the corner mirror 13 due to the direction of incidence. Since the center of the corner mirror 13 is located at the converging side, the light is reflected and propagates toward the converging side. If there is a light ray that propagates further outward and is directed exactly at the slit location, the light ray will be reflected off the back of the corner mirror 13 and will still propagate toward the convergence due to the outward curvature. When the light rays are converged at the convergence position, the convergence can couple the light rays and transmit the light rays out through the optical waveguide.
The present invention is not limited to the preferred embodiments, and any simple modification, equivalent replacement, and improvement made to the above embodiments by those skilled in the art without departing from the technical scope of the present invention, will fall within the scope of the present invention.
Claims (5)
1. The utility model provides a leaded light solar cell panel which characterized in that: comprises a light guide plate (1), a bracket (2), a light source direction detector (3), a converging port (4) and an optical waveguide (5); the light guide plate (1) comprises a focusing micro lens array (11), a single mirror surface grating (12), a corner mirror surface (13) and a mirror surface chassis (14), the light guide plate (1) is supported by the support (2), and the converging port (4) is positioned in the middle of a disc of the light guide plate (1); a light source direction detector (3) is arranged above the converging port (4), and the lower end of the light source direction detector (3) is connected with an optical waveguide (5); a single-mirror-surface grating (12) is placed on the back focal plane of the focusing micro-lens array (11) of the light guide plate (1), the backlight surface of the single-mirror-surface grating (12) is a reflecting mirror surface, and the small holes/slits of the single-mirror-surface grating (12) are just positioned on the focus of the focusing micro-lens array (11); a corner mirror surface (13) with an arc surface is arranged at the lower side of the small hole/slit of the single mirror surface grating (12), and the arc surface center of the corner mirror surface (13) is arranged at one side of the convergence port (4); the bottom of the light guide plate (1) is provided with a mirror surface chassis (14), the sunny side of the mirror surface chassis (14) is a mirror surface, and a certain included angle is formed between the mirror surface chassis and the horizontal direction, namely the chassis far away from the converging port (4) side is slightly higher than the converging port (4) side.
2. The light-directing solar panel of claim 1, wherein: the light guide plate (1) is provided with a focusing micro-lens array (11), and the focusing micro-lens array (11) is square, round, polygonal or irregular, and is made of acrylic plastic material or glass material.
3. The light-directing solar panel of claim 1, wherein: the single mirror surface grating (12) is made of metal or glass.
4. The light-directing solar panel of claim 1, wherein: the single-mirror-surface grating (12) is an aperture grating, the vertical radian of the corner mirror surface (13) is 1/4 circle, the horizontal radian is 1/2 circle, and the inner side and the outer side are mirror surfaces capable of reflecting light.
5. The light-directing solar panel of claim 1, wherein: a grating with a strip-shaped slit is placed on the back focal plane of a focusing micro lens array (11) of a light guide plate (1), the back surface of the grating is a reflecting mirror surface, a cylinder corner mirror surface with an arc surface is arranged along the lower side of the grating, the shape of the cylinder is a 1/2 hollow cylinder cut along the central axis of the cylinder, and the circle center of the cylinder is arranged on one side of a converging port (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484341.4A CN107294486B (en) | 2017-06-23 | 2017-06-23 | Light-guiding solar cell panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484341.4A CN107294486B (en) | 2017-06-23 | 2017-06-23 | Light-guiding solar cell panel |
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| Publication Number | Publication Date |
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| CN107294486A CN107294486A (en) | 2017-10-24 |
| CN107294486B true CN107294486B (en) | 2023-04-28 |
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| CN201710484341.4A Active CN107294486B (en) | 2017-06-23 | 2017-06-23 | Light-guiding solar cell panel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201029095Y (en) * | 2007-02-08 | 2008-02-27 | 张如琨 | Light-collecting type photovoltaic battery component |
| WO2010065794A2 (en) * | 2008-12-03 | 2010-06-10 | James Hoffman | Solar energy collection system |
| WO2011080831A1 (en) * | 2009-12-28 | 2011-07-07 | Ishibashi Hideaki | Light-collection photovoltaic generation system |
| CN207070002U (en) * | 2017-06-23 | 2018-03-02 | 中国葛洲坝集团电力有限责任公司 | Guide-lighting solar panel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7239386B2 (en) * | 2004-08-17 | 2007-07-03 | The Regents Of The University Of California | Compact imaging spectrometer utilizing immersed gratings |
| US9602047B2 (en) * | 2015-03-24 | 2017-03-21 | Ecole Polytechnique Federale De Lausanne (Eplf) | Self-tracking solar concentrator device |
-
2017
- 2017-06-23 CN CN201710484341.4A patent/CN107294486B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201029095Y (en) * | 2007-02-08 | 2008-02-27 | 张如琨 | Light-collecting type photovoltaic battery component |
| WO2010065794A2 (en) * | 2008-12-03 | 2010-06-10 | James Hoffman | Solar energy collection system |
| WO2011080831A1 (en) * | 2009-12-28 | 2011-07-07 | Ishibashi Hideaki | Light-collection photovoltaic generation system |
| CN207070002U (en) * | 2017-06-23 | 2018-03-02 | 中国葛洲坝集团电力有限责任公司 | Guide-lighting solar panel |
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| CN107294486A (en) | 2017-10-24 |
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Effective date of registration: 20210111 Address after: 210000 2nd floor, building 7, Huaqingyuan, No.100 Tianjiao Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu Province Applicant after: NANJING GREEN NEW ENERGY RESEARCH INSTITUTE Co.,Ltd. Address before: 443002 No. 23 Yanjiang Avenue, Yichang City, Hubei Province Applicant before: CHINA GEZHOUBA GROUP POWER Co.,Ltd. Applicant before: NANJING GREEN NEW ENERGY RESEARCH INSTITUTE Co.,Ltd. |
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