KR101696654B1 - Sunlight Condensing Device Using Concave Spherical Surface Lens - Google Patents
Sunlight Condensing Device Using Concave Spherical Surface Lens Download PDFInfo
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- KR101696654B1 KR101696654B1 KR1020150121486A KR20150121486A KR101696654B1 KR 101696654 B1 KR101696654 B1 KR 101696654B1 KR 1020150121486 A KR1020150121486 A KR 1020150121486A KR 20150121486 A KR20150121486 A KR 20150121486A KR 101696654 B1 KR101696654 B1 KR 101696654B1
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- lens
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- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B2003/0093—Simple or compound lenses characterised by the shape
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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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Field of the Invention [0002] The present invention relates to a solar concentrating device, and relates to improvement of a conventional solar concentrating device using a horizontal plane lens k01, a hemispherical lens made of a dense material, a Fresnel lens, and a lenticular lens.
In order to cope with the depletion of fossil fuels worldwide, the need to find alternative energy sources is increasing. In addition, since the climate treaty has been in place to prevent global warming, Korea has also been demanding a government-wide countermeasure to reduce air pollution and reduce carbon dioxide emissions based on the post-Kyoto Protocol international treaty from 2013.
Solar is the most abundant and the most polluted source of energy on the planet. The total solar energy supplied to the earth reaches about 120 thousand terawatts per second. It is 10,000 times the total energy used by humans on the planet. Developing technologies that utilize this solar energy will be a powerful way of solving the current energy and environmental problems of the country. Research and development is being actively pursued.
The solar cell is a device that converts light energy into electric energy using photovoltaic effect. It has advantages such as no pollution, unlimited resources, and semi-permanent life, Is expected as an energy source.
Solar cells are classified into silicon solar cells, thin film solar cells, dye-sensitized solar cells and organic polymer solar cells according to their constituent materials. Crystalline silicon solar cells account for the majority of the total production of solar cells worldwide , Which is the most popular solar cell because the efficiency is higher than other cells and the technology to keep the manufacturing cost lower is being developed.
In recent years, active research has been conducted to improve the structure of the lower emitter portion where the front electrode of the solar cell is wired, or to control the process so as to have a high photoelectric conversion rate, and its performance and efficiency have been gradually improved. In recent years, the efficiency has been continuously improved. As a result, monocrystalline silicon solar cell has surpassed 20%, compound semiconductor solar cell has surpassed 40%, and the performance improvement will accelerate the market expansion rate. Or on the efficiency per unit element.
Therefore, the light receiving surface is wide, the area of the solar light irradiated on the surface of the solar cell is widened to increase the number of elements capable of generating electricity, and the solar photon is uniformly distributed over the entire surface of the solar cell It is urgent to develop a product for a solar concentrator using a concave spherical lens that can increase the lifetime of a solar cell by efficiently exhausting limited solar electron (electron) .
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus and method for manufacturing a solar cell, ) To increase the amount of solar cell power generation.
Another object of the present invention is to increase the focal distance of the conventional photovoltaic light concentrator so that the photovoltaic photons are uniformly irradiated on the entire surface of the solar cell a05, The present invention is directed to providing an improved method for improving the lifetime of a solar cell.
It is another object of the present invention to provide an improved solar cell power generation system which is higher in light receiving efficiency than a conventional solar light collecting apparatus composed of a horizontal plane lens k01.
Another object of the present invention is to provide an invention that is easier to produce than a conventional solar light collecting device.
It is another object of the present invention to provide an apparatus that is lighter in weight than a conventional solar light collecting apparatus.
And will not be construed as limiting the scope of the present invention.
In order to achieve the above-mentioned objects, a solar light condensing device of the present invention includes a concave spherical lens having a convex upper refractive surface and a concave lower refractive surface, the centers of which are on the same straight line and have different radii of curvature, Wherein the concave spherical lens has a hollow space and is arranged in contact with the upper portion of the solar cell. The curvature radius of the concave lower curved surface is larger than the curvature radius of the convex curved upper surface. do.
That is, the solar light condensing apparatus according to the present invention is characterized in that the surface area of the light receiving surface of the concave spherical lens is larger than the surface area of the light receiving surface of the horizontal surface lens by? R 2 (r: radius of curvature of the convex upper refractive surface).
Preferably, the radius of curvature of the convex upper refractive surface of the concave spherical lens is not less than 1 탆 and not more than 100 탆.
In particular, it is characterized in that a concave spherical lens composed of a convex upper refractive curved surface and a concave lower refractive curved surface is arranged in parallel with the upper part of the solar cell and one or a plurality of the spherical lenses are arranged.
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The solar light condensing apparatus using the concave spherical lens of the present invention has the following effects.
First, by increasing the area irradiated to the surface of the solar cell a05 by the convex upper refractive surface configuration of the concave spherical lens, it is possible to improve the generation amount of solar cells by increasing the number of elements capable of generating electricity have.
Second, by increasing the focal length of the lens by the concave bottom curved surface configuration of the concave spherical lens, the photon photons are uniformly irradiated on the entire surface of the solar cell a05, The electron (electron) can be efficiently exhausted and the lifetime of the solar cell can be improved.
Third, by increasing the surface area of the light receiving surface of the concave spherical lens, it is possible to improve the solar cell power generation by increasing the light receiving efficiency more than the conventional lens.
Fourth, the configuration of the lens surface can be simplified compared to the conventional solar light condensing device using the horizontal plane lens k01, the semi-spherical lens made of a dense material, the Fresnel lens, and the lenticular lens, and the production can be easily improved.
Fifth, by configuring the inside of the lens as a concave hollow space, it can be made lighter than a horizontal plane lens (k01) constituted in the conventional solar light condensing device, a hemispherical lens made of a dense material inside, a Fresnel lens and a lenticular lens.
Therefore, according to the present invention, it is expected to develop a product for a solar light condensing device capable of high power generation efficiency, high production efficiency, low weight and low cost.
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further the understanding of the technical idea of the invention. Should not be construed as limiting.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cut-away perspective view of a sunlight condensing apparatus using a concave spherical lens according to a preferred embodiment of the present invention; FIG.
2 is a sectional view of the arrangement of a sunlight condensing apparatus using a concave spherical lens according to a preferred embodiment of the present invention.
Fig. 3 is a simulation result obtained by setting the curvature radius 100 (curvature radius) of the upper refractive surface and the curvature radius (curvature radius) 0 of the lower refractive surface for the preferred embodiment of the present invention.
FIG. 4 is a simulation result obtained by setting the curvature radius 100 (curvature radius) of the upper refractive surface and the curvature radius (curvature radius) 1000 of the lower refractive surface for the preferred embodiment of the present invention.
FIG. 5 is a simulation result obtained by setting the curvature radius 100 (curvature radius) of the upper refractive surface and the curvature radius (curvature radius) 500 of the lower refractive surface for the preferred embodiment of the present invention.
6 is a simulation result of setting the curvature radius 100 (curvature radius) of the upper refracting surface and the curvature radius (curvature radius) 400 of the lower refracting surface for the preferred embodiment of the present invention.
FIG. 7 is a simulation result obtained by setting a
8 is a simulation result obtained by setting the
9 is a simulation result of setting the
10 is a simulation result obtained by setting the
11 is a view for calculating a surface area (surface area) of a horizontal member light receiving surface (light receiving surface) and a spherical member light receiving surface (light receiving surface) for the preferred embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventor should appropriately interpret the concept of the term appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.
1 is a partially cutaway perspective view of a solar light condensing device using a concave spherical lens a04 according to a preferred embodiment of the present invention. As shown in the figure, a concave spherical lens a04 composed of a convex upper refracting surface a2 and a concave lower refracting surface a3 existing on a straight line having the same center point is parallel to the upper part of the solar cell a05 One or a plurality of the electrodes may be arranged so as to be parallel to each other and to be in contact with each other.
FIG. 2 is an arrangement sectional view of a solar light condensing device using a concave spherical lens a04 according to a preferred embodiment of the present invention. As shown in the drawing, one or a plurality of concave spherical lenses a04 constituted by the convex upper refractive surface a02 and the concave lower refractive surface a03 are parallel (parallel to) the surface of the solar cell a05, And one or a plurality of them may be arranged.
Fig. 3 is a schematic diagram of a simulation result obtained by setting a curvature radius (curvature radius) 100 of the convex upper refractive surface a02 and a curvature radius 0 (zero curvature radius) of the concave lower refractive surface a03 for the preferred embodiment of the present invention to be. As shown in the data, the curvature radius (curvature radius) 100 mm of the convex upper refractive surface a02 and the curvature radius 0 mm of the concave lower refractive surface a03 are set to be the background
4 is a graph showing the result of simulating the curvature radius of the convex upper refractive surface a02 and the radius of curvature 1,000 of the concave lower refractive surface a03 for the preferred embodiment of the present invention to be. As shown in the data, the curvature radius (curvature radius) 100 mm of the convex upper refractive surface a02 and the curvature radius (curvature radius) 1,000 mm of the concave lower refractive curvature a03 are set as the background
5 is a graph showing the result of simulating a curvature radius of a convex upper refractive surface a02 and a curvature radius of a concave lower curved surface a03 for a preferred embodiment of the present invention to be. As shown in the data, the curvature radius (curvature radius) 100 mm of the convex upper refractive surface a02 and the curvature radius (curvature radius) 500 mm of the concave lower refractive surface a03 were set to be 1 As a result, the focal length is found to be 207.68 mm.
6 is a graph showing the results of simulating a curvature radius of a convex upper refractive surface a02 and a
Fig. 7 is a graph showing the results of simulated results of setting the curvature radius (curvature radius) 100 of the convex upper refractive surface a02 and the curvature radius (curvature radius) 200 of the concave lower refractive surface a03 for the preferred embodiment of the present invention to be. As shown in the data, the curvature radius (curvature radius) 100 mm of the convex upper refractive surface a02 and the curvature radius (curvature radius) 200 mm of the concave lower refractive surface a03 are set to be 1 As a result, the focal length is 279.47 mm.
8 is a graph showing the results of simulating a curvature radius of a convex upper refractive surface a02 and a
9 is a graph showing the results of simulated results obtained by setting the radius of
10 is a graph showing the result of simulating the curvature radius of the convex upper refractive surface a02 and the
3 to 10, it can be seen that the inversely proportional convention in which the focal length value increases as the lower radius of curvature (lower radius of curvature) value decreases closer to the upper radius of curvature as in the above chart have. Therefore, in the concave spherical lens a04 of the present invention, the convex upper refractive surface a02 has a radius of curvature of 1 占 퐉 or more and 100 mm or less, and the radius of curvature of the concave lower refractive surface a03 The radius of curvature of the convex upper refractive surface a02 is larger than the radius of curvature of the convex upper refractive surface a02. Preferably, the value of the curvature radius of the concave lower refractive surface a3 is close to (closest to) the value of the curvature radius of the convex upper refractive surface a2.
11 is a view for calculating the surface area (surface area) of the horizontal member light receiving surface (light receiving surface) and the spherical member light receiving surface (light receiving surface) for the preferred embodiment of the present invention. As shown in the figure, k01 represents a conventional light receiving surface, ko2 represents a preferred embodiment of the present invention, and ko3 represents a side view of ko2.
(Light receiving surface) surface area (surface area) of a conventional light receiving surface (light receiving surface) representing a preferred embodiment of the present invention is determined using the above-described surface area calculating diagram, It can be seen from the following equation how much the light receiving efficiency increases than the surface area (surface area) of the light receiving surface.
The above equation (1) is obtained by calculating the surface area (surface area) of the k01 light receiving surface (light receiving surface)
(2) is a calculation of the surface area (surface area) of the light receiving surface k03 (light receiving surface)
Equation (3) is obtained by calculating the surface area (surface area) of the k04 light receiving surface (light receiving surface)
(4) is obtained by calculating the surface area (surface area) of the k02 light receiving surface (light receiving surface) obtained by adding k03 and k04,
Equation 5 is the present invention, obtain the difference between k01 and k02 πr 2 than a conventional light-receiving surface (受光面) surface area (表面積) It can be seen that the light receiving efficiency is increased by the light receiving efficiency.
a01: Solar light condensing device using concave spherical lens
a02: convex upper refractive surface
a03: concave lower bending curve
a04, b02: concave spherical lens
a05, b03: Solar cell
b01: concave spherical lens array
k01: conventional horizontal plane lens receiving surface area
k02: spherical lens receiving surface area
Claims (4)
And a concave spherical lens having a convex upper refractive surface and a concave lower refractive surface, the central points of which are on the same straight line, and the radius of curvature is different from each other,
Wherein the concave spherical lens is configured as an empty space and arranged so as to be in contact with an upper portion of the solar cell, and wherein a radius of curvature of the concave lower refractive surface is larger than a curvature of the convex upper refractive surface Wherein the light source is configured to be larger than a radius.
The light-receiving surface (受光面) surface area (表面積) is πr 2 than the light-receiving surface (受光面) surface area (表面積) in the horizontal plane lens (k01): solar light collecting characterized by widely adapted (r the radius of curvature of the convex portion refractive surface) Device.
Wherein the curvature radius of curvature of the convex upper refractive curved surface is not less than 1 占 퐉 and not more than 100 占 퐉.
A concave spherical lens constituted by a convex upper refracting surface and a concave lower refracting surface is formed in such a manner that one or a plurality of concave spherical lenses are arranged in parallel with and parallel to the upper surface of the solar cell, The light converging device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150121486A KR101696654B1 (en) | 2015-08-28 | 2015-08-28 | Sunlight Condensing Device Using Concave Spherical Surface Lens |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150121486A KR101696654B1 (en) | 2015-08-28 | 2015-08-28 | Sunlight Condensing Device Using Concave Spherical Surface Lens |
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| KR101696654B1 true KR101696654B1 (en) | 2017-01-16 |
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| KR1020150121486A KR101696654B1 (en) | 2015-08-28 | 2015-08-28 | Sunlight Condensing Device Using Concave Spherical Surface Lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923743A (en) * | 2018-07-26 | 2018-11-30 | 深圳市昂特尔太阳能投资有限公司 | Micro high efficiency rate solar modules |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950019774A (en) | 1993-12-24 | 1995-07-24 | 분데르리히, 혜틀러 | Manufacturing method of Fresnel lens |
| JP2003023165A (en) * | 2001-07-06 | 2003-01-24 | Honda Motor Co Ltd | Solar radiation sensor |
| KR200390785Y1 (en) | 2005-03-25 | 2005-07-27 | 이인상 | Solar cells device |
| KR100563952B1 (en) | 2003-03-20 | 2006-03-29 | 다이니폰 인사츠 가부시키가이샤 | Lenticular lens sheet |
| KR100824725B1 (en) | 2007-05-23 | 2008-04-24 | 김현민 | Solar cell module with dual condenser and apparatus for collecting solar energy using the same |
| KR101059759B1 (en) | 2010-01-24 | 2011-09-02 | 정재헌 | Prism Hybrid Solar Concentrator |
| KR101127054B1 (en) | 2009-09-07 | 2012-03-22 | 송원진 | Thin film solar cell |
| KR20130071728A (en) * | 2011-12-21 | 2013-07-01 | 황석근 | Concentrating apparatus for natural sun lighting |
-
2015
- 2015-08-28 KR KR1020150121486A patent/KR101696654B1/en active IP Right Grant
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950019774A (en) | 1993-12-24 | 1995-07-24 | 분데르리히, 혜틀러 | Manufacturing method of Fresnel lens |
| JP2003023165A (en) * | 2001-07-06 | 2003-01-24 | Honda Motor Co Ltd | Solar radiation sensor |
| KR100563952B1 (en) | 2003-03-20 | 2006-03-29 | 다이니폰 인사츠 가부시키가이샤 | Lenticular lens sheet |
| KR200390785Y1 (en) | 2005-03-25 | 2005-07-27 | 이인상 | Solar cells device |
| KR100824725B1 (en) | 2007-05-23 | 2008-04-24 | 김현민 | Solar cell module with dual condenser and apparatus for collecting solar energy using the same |
| KR101127054B1 (en) | 2009-09-07 | 2012-03-22 | 송원진 | Thin film solar cell |
| KR101059759B1 (en) | 2010-01-24 | 2011-09-02 | 정재헌 | Prism Hybrid Solar Concentrator |
| KR20130071728A (en) * | 2011-12-21 | 2013-07-01 | 황석근 | Concentrating apparatus for natural sun lighting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923743A (en) * | 2018-07-26 | 2018-11-30 | 深圳市昂特尔太阳能投资有限公司 | Micro high efficiency rate solar modules |
| CN108923743B (en) * | 2018-07-26 | 2024-05-28 | 深圳市昂特尔太阳能投资有限公司 | Miniature high-efficiency solar module |
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