CN102751362A - Light guiding component and photovoltaic module with same - Google Patents
Light guiding component and photovoltaic module with same Download PDFInfo
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- CN102751362A CN102751362A CN2012102105865A CN201210210586A CN102751362A CN 102751362 A CN102751362 A CN 102751362A CN 2012102105865 A CN2012102105865 A CN 2012102105865A CN 201210210586 A CN201210210586 A CN 201210210586A CN 102751362 A CN102751362 A CN 102751362A
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- light
- cylindrical body
- guide device
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- chip
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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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Abstract
The invention discloses a light guiding component and a photovoltaic module with the light guiding component. The light guiding component comprises a columnar body which is made of a light guiding material; the area of the top of the columnar body is larger than that of the bottom of the columnar body; the top of the columnar body is an axial symmetry unrestricted curving surface; the four side surfaces of the columnar body are unrestricted curving surface; and the four side surfaces are identical in the shape and size. The light guiding component provided by the invention is simple in structure and increases the light gathering efficiency and uniformity by using a light gathering and total internal refection principle.
Description
Technical field
The present invention relates to a kind of optical element, particularly relate to a kind of light-guide device.
The invention still further relates to photovoltaic module with above-mentioned light-guide device.
Background technology
The earthbound solar energy photovoltaic generating system uses photovoltaic cell that the power conversion of solar radiation is become electric energy.Photovoltaic cell electrogenesis amount is directly proportional with the area of intensity of sunshine and photovoltaic cell.Photovoltaic cell normally form by different semi-conducting materials as, but be not limited only to silicon or GaAs.Unijunction solar cell mainly is made up of silicon materials, and the efficient that sunlight is converted into electric energy is lower, so need a bigger silicon chip area and a lot of photovoltaic cells, just can reach the energy output of an appointment.Comparatively speaking, many knot (MJ) photovoltaic cells mainly are made up of gallium arsenide, and the efficient that sunlight is converted into electric energy is than higher, so less gallium arsenide chip area and the fewer photovoltaic cell of quantity of needs can reach the energy output of same appointment.The solar radiation that the condensation photovoltaic battery receives can effectively reduce cost, and improves the electric power output of photovoltaic cell.One of them optically focused form is to use a slice collector lens and light guide member that direct projection is rendered on the solar battery chip sunshine and generates electricity.Throw on the photovoltaic cell chip for correct guiding sunlight, these assemblies must be made and assemble according to the tolerance of strictness.
General condensation photovoltaic module is being loaded a plurality of condensation photovoltaic modules and is being formed by a water proof and dust proof shell.The building block of each module comprises: a slice collector lens, light guide member, solar chip seated, and thermal component.Collector lens is directed to light guide member to the direct projection solar radiation, and light guide member guides sunlight and tries one's best homogenizing to solar chip.Solar chip changes into electric energy to the sunlight of part, and all the other major parts do not change into the sunlight of electric energy and can be transformed into heat energy.Solar chip binds structure on chip carrier to make waste heat to be transmitted to thermal component effectively to cool off.Be connected by cable between chip carrier and the chip carrier, electric energy is directed to the external cable interface.The general module of going up all have light-blocking member and is protecting cable and welding junction, avoids sunlight and damages.The design of relevant light guide member has been disclosed in the US20080087323 that includes in the open source literature; US20090114282; The light guide member of US20090223555 and Pablo Zamora et al..Above-mentioned these light guide member primary structures are to use optical glass plane prism, and the design of
pattern is reined in by plane mirror combination and section.
Summary of the invention
The present invention accomplishes in order to solve deficiency of the prior art, the purpose of this invention is to provide a kind of simple in structure, utilize optically focused and total internal reflection principle, raising light gathering efficiency and inhomogeneity light-guide device.
A kind of light-guide device of the present invention; Comprise the cylindrical body of being processed by optical material, the topside area of said cylindrical body is greater than bottom area, and the top of said cylindrical body is the axial symmetry free form surface; Four sides of said cylindrical body are free form surface, said four side views and measure-alike.
A kind of light-guide device of the present invention can also be:
Said cylindrical body top is axisymmetric aspheric surface or sphere, and said cylindrical body four sides are bridge floor or gradual change arcwall face.
Said cylindrical body top is an axisymmetric aspheric surface, and said cylindrical body four sides are bridge floor.
Said cylindrical body top is a sphere, and four sides of said cylindrical body are the gradual change arcwall face.
A kind of light-guide device of the present invention; Because it comprises the cylindrical body of being processed by optical material; The topside area of said cylindrical body is greater than bottom area; The top of said cylindrical body is the axial symmetry free form surface, and four sides of said cylindrical body are free form surface, said four side views and measure-alike.During use, the top is towards sunlight, top free form surface transmission and collected light; And four sides of free form surface make the light total internal reflection; The sunlight of transmission is fully converged in assurance like this, promotes light gathering efficiency, and because four side views are all identical with size; Therefore, it is more even to converge sunlight.
The object of the invention can also provide a kind of simple in structure, utilize optically focused and total internal reflection principle, raising light gathering efficiency and inhomogeneity photovoltaic module with light-guide device.
Photovoltaic module with light-guide device of the present invention; It is characterized in that: comprise shell and the collector lens that is positioned at said shell top; Said outer casing underpart is provided with at least one solar chip; Said each solar chip below is provided with radiator, and said solar chip is arranged on the chip carrier, is provided with the described light-guide device of any claim of claim 1 to 4 directly over said each solar chip; Said light-guide device by down from pass said outer casing bottom, said collector lens be positioned at said light-guide device top directly over.
Photovoltaic module with light-guide device of the present invention can also be:
Said collector lens is the Fresnel collector lens.
Description of drawings
A kind of light-guide device embodiment of Fig. 1 the present invention sketch map.
Another embodiment sketch map of a kind of light-guide device of Fig. 2 the present invention.
A kind of photovoltaic module embodiment constitutional diagram of Fig. 3 with light-guide device of the present invention.
A kind of photovoltaic module embodiment broken away view of Fig. 4 with light-guide device of the present invention.
The figure number explanation
1 ... Cylindrical body 2 ... Top 3 ... The bottom
4 ... Four sides 5 ... Shell 6 ... Collector lens
7 ... Light-guide device 8 of the present invention ... Solar chip seated 9 ... Radiator
Embodiment
Below in conjunction with Fig. 1 to Fig. 4 of accompanying drawing a kind of light-guide device of the present invention and photovoltaic module with this light-guide device are done further explain.
A kind of light-guide device of the present invention; Please refer to Fig. 1 to Fig. 4; Comprise the cylindrical body of being processed by optical material 1, top 2 areas of said cylindrical body 1 are greater than bottom 3 areas, and the top 2 of said cylindrical body 1 is the axial symmetry free form surface; Four sides 4 of said cylindrical body 1 are free form surface, said four sides, 4 shapes and measure-alike.When used, the top two toward the sunlight, the top two axisymmetric free surface light transmission and gathering, transmission after a light into the cylindrical body, the direct light directly transmitted to the chip from the bottom three, while the other side of the direction of the sun reaches four 4 after the total internal reflection back through one or more of the total internal reflection, the final transmission of the bottom of the pillar-shaped body 1 to the chip 3 and the free surface of the four side surface 4 so that total internal reflection of light, so that the transmission of the sun together to ensure adequate light, improve condensing efficiency, and size and shape of the four sides are the same, therefore, more uniform sun together.
A kind of light-guide device of the present invention please refer to Fig. 2 to Fig. 4, specifically can be that said cylindrical body 1 top 2 is axisymmetric aspheric surface or sphere in front on the basis of technical scheme, and said cylindrical body 1 four sides 4 are bridge floor or gradual change arcwall face.The top 2 of light-guide device is a sphere among Fig. 2, and four sides 4 are the gradual change arcwall face, above top 2, are provided with ring flange, convenient like this manufacturing.Like this, sunshine reaches the luminous flux of chip at least more than 76%, and uniformity is in 92%, and therefore, light gathering efficiency is higher, and uniformity is better.Specifically can be that said cylindrical body 1 top 2 is axisymmetric aspheric surface, said cylindrical body 1 four sides 4 be bridge floor.Like this, the luminous flux that sunlight reaches chip is 76.4%, and uniformity is 92%.Specifically can also be that said cylindrical body 1 top 2 is sphere, four sides 4 of said cylindrical body 1 be the gradual change arcwall face.Like this, the luminous flux that sunlight reaches chip is 76.7%, and uniformity is 88%.
Photovoltaic module with aforementioned light-guide device of the present invention; Please refer to Fig. 1 to Fig. 4; Comprise shell 5 and the collector lens 6 that is positioned at said shell 5 tops, said shell 5 bottoms are provided with at least one solar chip, and said solar chip is arranged on the chip seated; Said each solar chip seated 8 below are provided with radiator 9; Be provided with aforesaid light-guide device 7 directly over said each solar chip, said light-guide device 7 by down from pass said shell 5 bottoms, said collector lens 6 be positioned at said light-guide device 7 tops 2 directly over.Like this; After converging extraneous direct sunlight, collector lens 6 is transmitted through 2 surfaces, top of light-guide device 7; Transmit the bottom 3 of light-guide device 7 after the optically focused of process light-guide device 7, leaded light, the total internal reflection, and shine on the solar chip, solar chip is translated into electric energy; And the effect of radiator 9 is to make 8 heat radiations of solar chip seated, guarantees that the temperature of solar chip can be not too high.Like this, the top of light-guide device 7 is towards sunshine, top 2 axial symmetry free form surface transmitted rays; And four sides 4 of free form surface make the light total internal reflection; The sunshine of transmission is fully converged in assurance like this, promotes light gathering efficiency, and because four side views are all identical with size; Therefore, it is more even to converge sunlight.Further optimized technical scheme is that said collector lens 6 is the Fresnel collector lens.
Above-mentionedly only several kinds of specific embodiments among the present invention are explained; But can not be as protection scope of the present invention; Every equivalence variation of having done according to the design spirit among the present invention or modification or equal proportion are amplified or are dwindled etc., all should think to fall into protection scope of the present invention.
Claims (6)
1. light-guide device; It is characterized in that: comprise the cylindrical body of processing by optical material; The topside area of said cylindrical body is greater than bottom area; The top of said cylindrical body is the axial symmetry free form surface, and four sides of said cylindrical body are free form surface, said four side views and measure-alike.
2. a kind of light-guide device according to claim 1 is characterized in that: said cylindrical body top is axisymmetric aspheric surface or sphere, and said cylindrical body four sides are bridge floor or gradual change arcwall face.
3. a kind of light-guide device according to claim 2 is characterized in that: said cylindrical body top is an axisymmetric aspheric surface, and said cylindrical body four sides are bridge floor.
4. a kind of light-guide device according to claim 2 is characterized in that: said cylindrical body top is a sphere, and four sides of said cylindrical body are the gradual change arcwall face.
5. the photovoltaic module that has claim 1 or 2 or 3 or 4 described light-guide devices; It is characterized in that: comprise shell and the collector lens that is positioned at said shell top; Said outer casing underpart is provided with at least one solar chip; Said each solar chip below is provided with radiator, and said solar chip is arranged on the chip carrier, is provided with the described light-guide device of any claim of claim 1 to 4 directly over said each solar chip; Said light-guide device by down from pass said outer casing bottom, said collector lens be positioned at said light-guide device top directly over.
6. the photovoltaic module with light-guide device according to claim 5 is characterized in that: said collector lens is the Fresnel collector lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102105865A CN102751362A (en) | 2012-06-20 | 2012-06-20 | Light guiding component and photovoltaic module with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102105865A CN102751362A (en) | 2012-06-20 | 2012-06-20 | Light guiding component and photovoltaic module with same |
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| Publication Number | Publication Date |
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| CN102751362A true CN102751362A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102105865A Pending CN102751362A (en) | 2012-06-20 | 2012-06-20 | Light guiding component and photovoltaic module with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149624A (en) * | 2013-03-07 | 2013-06-12 | 江苏尚恩合同能源管理有限公司 | Light guide pole |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060072222A1 (en) * | 2004-10-05 | 2006-04-06 | Lichy Joseph I | Asymetric, three-dimensional, non-imaging, light concentrator |
| WO2009058424A1 (en) * | 2007-10-30 | 2009-05-07 | Opel, Inc. | Concentrated solar photovoltaic module |
| CN101694541A (en) * | 2009-08-13 | 2010-04-14 | 苏州纳米技术与纳米仿生研究所 | Curved-top total reflection type twice concentration and illumination balancing integration device |
| JP2011222581A (en) * | 2010-04-05 | 2011-11-04 | Pacific Speed Ltd | Condenser structure |
| CN202736955U (en) * | 2012-06-20 | 2013-02-13 | 环态源环境科技有限公司 | Light guide component and photovoltaic module group having the same |
-
2012
- 2012-06-20 CN CN2012102105865A patent/CN102751362A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060072222A1 (en) * | 2004-10-05 | 2006-04-06 | Lichy Joseph I | Asymetric, three-dimensional, non-imaging, light concentrator |
| WO2009058424A1 (en) * | 2007-10-30 | 2009-05-07 | Opel, Inc. | Concentrated solar photovoltaic module |
| CN101694541A (en) * | 2009-08-13 | 2010-04-14 | 苏州纳米技术与纳米仿生研究所 | Curved-top total reflection type twice concentration and illumination balancing integration device |
| JP2011222581A (en) * | 2010-04-05 | 2011-11-04 | Pacific Speed Ltd | Condenser structure |
| CN202736955U (en) * | 2012-06-20 | 2013-02-13 | 环态源环境科技有限公司 | Light guide component and photovoltaic module group having the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149624A (en) * | 2013-03-07 | 2013-06-12 | 江苏尚恩合同能源管理有限公司 | Light guide pole |
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Application publication date: 20121024 |