CN103227215B - Solar cell module and electromagnetic wave collecting device thereof - Google Patents
Solar cell module and electromagnetic wave collecting device thereof Download PDFInfo
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- CN103227215B CN103227215B CN201310140363.0A CN201310140363A CN103227215B CN 103227215 B CN103227215 B CN 103227215B CN 201310140363 A CN201310140363 A CN 201310140363A CN 103227215 B CN103227215 B CN 103227215B
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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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Abstract
The present invention discloses a kind of solar cell module and electromagnetic wave collecting device thereof.This electromagnetic wave collecting device comprises: tabular electromagnetic wave conductor, this tabular electromagnetic wave conductor has first surface and second surface, this electromagnetic wave collecting device also comprises zigzag catoptric arrangement and the first reflector, this zigzag catoptric arrangement is positioned at this second surface, wherein this zigzag catoptric arrangement is made up of multiple reflector element, and this reflector element has the first inclined-plane and the second inclined-plane, and the intersection on this first inclined-plane and the second inclined-plane forms cambered surface, this first reflector is positioned on this first inclined-plane.Above-mentioned electromagnetic wave collecting device has can reduced volume and improve the advantage of ease of use.The invention still further relates to a kind of solar cell module.
Description
This case is same applicant is 201010259869.X in the application number that on August 23rd, 2010 proposes, the divisional application of the patent application that name is called " solar cell module and electromagnetic wave collecting device thereof ".
Technical field
The present invention has about a kind of electromagnetic wave collecting device and the solar cell module with this electromagnetic wave collecting device.
Background technology
The electricity generating principle of solar cell is the sunlight utilizing solar cell to absorb specific wavelength, then luminous energy is directly transformed into electric energy and exports.
In recent years, solar cell is fast-developing, and wherein high concentrating solar battery (HighConcentration Photovoltaic, HCPV) is paid close attention to especially widely.High concentrating solar battery comprises solar chip and optically focused module.Solar energy can be changed into electric energy by solar chip, and sunlight can be gathered together and is then transferred to solar chip by optically focused module.
In the prior art, optically focused module can be divided into refraction type and reflective.Wherein, refraction type light gathering module sunlight is done first time via collector lens or Fei Nieer lens (Fresnel Lens) to focus on, the sunlight after first time focuses on through secondary optical lens carry out luminous point reduce and optically focused homogenizing action after enter solar chip.Reflection concentration type module sunlight is done first time with parabola or spherical reflector to focus on, the sunlight after first time focuses on through secondary optical lens carry out luminous point reduce and optically focused homogenizing action after enter solar chip.
But refraction type or reflection concentration type module all need vertical incidence light, therefore need sun tracking system of arranging in pairs or groups, cause the inconvenience that optically focused module uses.In addition, in the process of lens light gathering, control focus and focal length when optically focused module need keep certain volume to be convenient to optically focused, be therefore difficult to the volume reducing optically focused module.
Therefore, how reduced volume and improve the convenience used, real with the application expanding optically focused module and solar cell is one of subject under discussion of paying attention to of the personnel of association area.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electromagnetic wave collecting device, its can reduced volume and improve use convenience.
The present invention also aims to provide a kind of solar cell, it can improve the convenience of use.
The present invention proposes a kind of electromagnetic wave collecting device, and it comprises tabular electromagnetic wave conductor.This tabular electromagnetic wave conductor has first surface and second surface.This electromagnetic wave collecting device also comprises zigzag catoptric arrangement and the first reflector.This zigzag catoptric arrangement is positioned at this second surface.This zigzag catoptric arrangement is made up of multiple reflector element, and this reflector element has the first inclined-plane and the second inclined-plane, and the intersection on this first inclined-plane and the second inclined-plane forms cambered surface.This first reflector is positioned on this first inclined-plane.
In a specific embodiments of the present invention, this electromagnetic wave collecting device also comprises the second reflector, is positioned on this second inclined-plane.
In a specific embodiments of the present invention, this electromagnetic wave collecting device also comprises anti-reflecting layer, is arranged at this first surface.
In a specific embodiments of the present invention, in this electromagnetic wave conductor, refractive index near this first surface place is less than the refractive index near this second surface place, or the refractive index of this electromagnetic wave conductor is along increasing gradually from this first surface to the direction of this second surface or increasing in staged.
In a specific embodiments of the present invention, this first surface is plane or cambered surface.
The present invention proposes a kind of solar cell module, comprises above-mentioned electromagnetic wave collecting device and at least one energy conversion device, and this energy conversion device is close to one of them end face of electromagnetic wave collecting device.
In a specific embodiments of the present invention, this energy conversion device is solar cell, and its material is monocrystalline silicon, polysilicon, three or five race's semiconductor or copper indium gallium selenide.
Electromagnetic wave collecting device of the present invention and solar cell comprise tabular electromagnetic wave conductor and catoptric arrangement, the light making different directions all can vertical incidence tabular electromagnetic wave conductor, need not sun tracking system auxiliary, thus the convenience that electromagnetic wave collecting device and solar cell use can be promoted.And catoptric arrangement is under the cooperation of tabular electromagnetic wave conductor, easily makes light-ray condensing together towards the reflection of predetermined direction light, and due to its impact not being subject to focus and focus controlling, be therefore conducive to the volume reducing electromagnetic wave collecting device.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the electromagnetic wave collecting device of one of the embodiment of the present invention;
The schematic diagram that Fig. 2 A, Fig. 2 B and Fig. 2 C cut open along II-II ' for electromagnetic wave collecting device shown in Fig. 1;
The schematic diagram that Fig. 3 cuts open along III-III ' for electromagnetic wave collecting device shown in Fig. 1;
Another schematic diagram that Fig. 4 cuts open along III-III ' for electromagnetic wave collecting device shown in Fig. 1;
Fig. 5 is the generalized section of the electromagnetic wave collecting device of another embodiment of the present invention;
Fig. 6 is the generalized section of the electromagnetic wave collecting device of another embodiment of the present invention;
Fig. 7 A and 7B is the generalized section of the electromagnetic wave collecting device of another embodiment of the present invention;
The schematic diagram that shown in Fig. 8 A and Fig. 8 B Fig. 7 A, electromagnetic wave collecting device is cut open along X-X ';
Fig. 9 A and 9B is the generalized section of the solar cell module of another embodiment of the present invention.
Embodiment
Fig. 1 illustrates the schematic perspective view of the electromagnetic wave collecting device into one of the embodiment of the present invention.The schematic diagram that Fig. 2 A to Fig. 2 C cuts open along II-II ' for electromagnetic wave collecting device shown in Fig. 1.
Refer to Fig. 1 and Fig. 2 A to Fig. 2 C, the electromagnetic wave collecting device 10 of one of embodiment of the present invention comprises column electromagnetic wave conductor 12 and catoptric arrangement 14.In the present embodiment, catoptric arrangement 14 is positioned near the OO ' position, axle center of column electromagnetic wave conductor 12, and it is connected in series by multiple bicone reflector element 140 to form, and each bicone reflector element 140 has the first reflector 142.Electromagnetic wave collecting device 10 may be used for the electromagnetic wave collecting different wave length, for ease of describing, only explains with light below.
Hold above-mentioned, column electromagnetic wave conductor 12 has the first relative end face 122 and the second end face 124, and connects the surface 126 of the first end face 122 and the second end face 124.
Especially, in the present embodiment, be the utilance of increasing light, electromagnetic wave collecting device 10 also can comprise anti-reflecting layer 16, and it is arranged on the surface 126 of column electromagnetic wave conductor 12.Anti-reflecting layer 16 can reduce the probability that total reflection occurs incident ray 18, makes more light can enter electromagnetic wave collecting device 10 inner.
In column electromagnetic wave conductor 12, the refractive index near catoptric arrangement 14 place is greater than the refractive index near anti-reflecting layer 16 place.Such as, the refractive index of electromagnetic wave conductor 12 is along increasing gradually from anti-reflecting layer 16 to the direction of catoptric arrangement 14 or increasing in staged.
As shown in Figure 2 A, after light 18 enters column electromagnetic wave conductor 12, can reflect in the first reflector 142, can first advance towards the direction away from axle center OO ' through the light 18a of reflection, but increase gradually from anti-reflecting layer 16 to the direction of catoptric arrangement 14 due to refractive index in column electromagnetic wave conductor 12 or increase in staged, therefore light 18a can turn to gradually at column electromagnetic wave conductor 12, and then changes and advance towards axle center OO '.Light 18a, after reflection above-mentioned for several times with refraction, can concentrate on the second end face 124 of column electromagnetic wave conductor 12, to reach the effect of optically focused.
Catoptric arrangement 14 is for reflecting the light 18 injecting its surface towards predetermined direction.Specifically, the first reflector 142 of the bicone reflector element 140 of catoptric arrangement 14 can be used for incident light on it to reflect towards the direction of the second end face 124 of column electromagnetic wave conductor 12, thus by light-ray condensing together, from the second end face 124 outgoing.
Fig. 2 B is another embodiment of the present invention, and in the present embodiment, bicone reflector element 140 also comprises the second reflector 144.Second reflector 144 is adjacent with the first reflector 142.In the present embodiment, the area in the first reflector 142 is greater than the area in the second reflector 144.
Moreover the second reflector 144 can be used for incident light on it to reflect towards the direction of the first end face 122 of column electromagnetic wave conductor 12, thus by light-ray condensing together.Be appreciated that, in order to effectively utilize the light entering column electromagnetic wave conductor 12, increase the intensity from the emergent light of the second end face 124, first end face 122 also can arrange reflector 17, for the direction of light reflection to the second end face 124 that the first end face 122 will be radiated at, thus increase the intensity from the second end face 124 emergent ray further.
First reflector 142 of bicone reflector element 140 or the second reflector 144 are formed at the surperficial coating reflection layer of bicone reflector element 140 in the present embodiment, reflector can be the high reflecting metals such as silver, aluminium or copper, also can be by the distributed Bragg reflector of the mutual storehouse of the oxide that refractive index is different (Distributed Bragg Reflector, DBR).
Above-mentioned first reflector 142 and the second reflector 144 are in the II-II ' cut-away diagram of Fig. 2 B along Fig. 1, it can be inclined-plane, and the intersection in the first reflector 142 and the second reflector 144 presss from both sides outside an angle, also can as shown in Figure 2 C, the first reflector 142 and the second reflector 144 are rendered as cambered surface and the intersection in the first reflector 142 and the second reflector 144 also presents arc-shaped.Moreover, can be spaced, adjacent or one-body molded between the first above-mentioned reflector 142 and the second adjacent reflector 144.
Moreover catoptric arrangement 14, except being be positioned at except near column electromagnetic wave conductor 12 axle center, also can be positioned at column electromagnetic wave conductor 12 any part; In addition, column electromagnetic wave conductor 12 can be various column, such as shown in Figure 3, in the present embodiment, the cross section of column electromagnetic wave conductor 12 is circular, also can be as shown in Figure 4, the cross section of column electromagnetic wave conductor 12 is oval, in addition also can be triangle, rectangle, other polygons or fan-shaped; Moreover, reflector element 140 except can being a complete bicone structure as described in above-described embodiment, and as shown in Figure 5, when the cross section of column electromagnetic wave conductor 12 is fan-shaped, reflector element 140 also can be the bicone structure of part.
Above-mentioned electromagnetic wave collecting device 10 comprises column electromagnetic wave conductor 12 and catoptric arrangement 14, the light of different directions all can vertical incidence column electromagnetic wave conductor 12, need not sun tracking system auxiliary, thus the convenience that electromagnetic wave collecting device 10 uses can be promoted.Light, under the cooperation of column electromagnetic wave conductor 12, easily makes light-ray condensing together towards the reflection of predetermined direction, due to the impact that it is not subject to focus and focus controlling, is therefore conducive to the volume reducing electromagnetic wave collecting device 10 by catoptric arrangement 14.
Fig. 6 illustrates the generalized section of the electromagnetic wave collecting device into another embodiment of the present invention.Refer to Fig. 6, electromagnetic wave collecting device 30 is similar to electromagnetic wave collecting device 10, and its difference is: the catoptric arrangement 34 of electromagnetic wave collecting device 30 is solid construction.Wherein, above-mentioned catoptric arrangement 34 prepares the bicone reflector element 140 of previous embodiment by the material with light reflective and directly formed.
Fig. 7 A to Fig. 7 B is another embodiment of the present invention.Refer to Fig. 7 A, tabular electromagnetic wave collecting device 40 comprises the electromagnetic wave conductor 42 and catoptric arrangement 44 with first surface 422 and second surface 424.The first surface 422 of electromagnetic wave conductor 42 can form anti-reflecting layer 46, catoptric arrangement 44 is arranged on the second surface 424 of tabular electromagnetic wave conductor 42, and this catoptric arrangement 44 is connected in series and engrail catoptric arrangement by multiple reflector element 440, and each reflector element 440 at least has one deck first reflector 442.
Moreover, also can comprise the first reflector 442 and the second reflector 444 by each reflector element 440 as shown in Figure 7 B, and be connected between the first reflector 442 with the second reflector 444, its intersection can shape at an angle or cambered surface.
In addition, in above-described embodiment, can to adjoin each other between the second reflector 444 and the first reflector 442 or spaced.
Moreover, in above-mentioned electromagnetic wave conductor, the refractive index near first surface 422 place is less than the refractive index near second surface 424 place, and refractive index is along increasing gradually from this first surface 422 to the direction of second surface 424 or increasing in staged.
Be appreciated that, in the present embodiment, first reflector 442 of reflector element 440 or the second reflector 444 can be the high reflecting metals such as silver, aluminium or copper, also can be by the distributed Bragg reflector of the mutual storehouse of the oxide that refractive index is different (Distributed Bragg Reflector, DBR).
Fig. 8 A and Fig. 8 B be in above-mentioned Fig. 7 A electromagnetic wave conductor 42 along the sectional view of XX ' hatching, as shown in Figure 8 A, first surface 422 and second surface 424 can be the planes be parallel to each other, first reflector 442 is also parallel to first surface 422 and second surface 424, makes electromagnetic wave conductor 42 form a board-like electromagnetic wave conductor; In addition also can as shown in Figure 8 B, first surface 422 also can be cambered surface and second surface 424 is planes, electromagnetic wave conductor 42 is formed electromagnetic wave conductor that light entrance face is cambered surface.
Fig. 9 A illustrates the generalized section of the solar cell module into another embodiment of the present invention.Solar cell module 100 comprises electromagnetic wave collecting device 60 and at least one energy conversion device 70.Electromagnetic wave collecting device 60 can be any one electromagnetic wave collecting device in above-described embodiment, can be column electromagnetic wave collecting device as shown in Figures 1 to 6, also can be the tabular electromagnetic wave collecting device shown in Fig. 7 A to Fig. 8 B.Following examples are described for column electromagnetic wave collecting device, but the present invention is not limited thereto.
In the present embodiment, electromagnetic wave collecting device 60 comprises column electromagnetic wave conductor 62 and catoptric arrangement 64.Column electromagnetic wave conductor 62 has the first relative end face 622 and the second end face 624.Energy conversion device 70 is near the second end face 624, and 67, reflector is arranged on the first end face 622.
During use, the direction reflection of light towards the second end face 624 is assembled by the first reflector 642 of the bicone reflector element 640 in column electromagnetic wave conductor 62, thus raising enters the light intensity of energy conversion device 70 to improve utilization ratio of optical energy.Further, adopt electromagnetic wave collecting device 60 can replace sun tracking system of the prior art, therefore can improve the convenience that solar cell 100 uses, thus expand the range of application of solar cell 100.In addition, first end face 622 arranges reflector 67, the light being radiated at the first end face 622 can be made to be reflected to the direction of the second end face 624, thus to increase the light intensity entering energy conversion device 70 further, to improve the utilization ratio of optical energy of solar cell 100.
Fig. 9 B illustrates the generalized section of the solar cell module into another embodiment of the present invention, except arranging except solar cell module 100 in the second end face 624 as shown in Figure 9 A, also as shown in Figure 9 B energy conversion device 70 ' can be set on the first end face 622, in order to receive the light reflected via the second reflector 644.
In addition, above-mentioned energy conversion device is solar cell, and its material can be the solar cell of the materials such as monocrystalline silicon, polysilicon, three or five race's semiconductors or copper indium gallium selenide (Copper Indium Gallium Selenide).
In sum, electromagnetic wave collecting device of the present invention and solar cell comprise column electromagnetic wave conductor and catoptric arrangement, the light making different directions all can vertical incidence column electromagnetic wave conductor, therefore can replace sun tracking system of the prior art, thus the convenience of electromagnetic wave collecting device and solar cell use can be promoted.And catoptric arrangement is under the cooperation of column electromagnetic wave conductor, easily make light-ray condensing together towards the reflection of predetermined direction light, and, due to the impact that it is not subject to focus and focus controlling, therefore also help the volume reducing electromagnetic wave collecting device.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an electromagnetic wave collecting device, it comprises: column or tabular electromagnetic wave conductor, this column or this tabular electromagnetic wave conductor have first surface and second surface, it is characterized in that: this electromagnetic wave collecting device also comprises catoptric arrangement and the first reflector, this catoptric arrangement is positioned on this second surface, wherein this catoptric arrangement is made up of multiple reflector element, and this first reflector is positioned on this catoptric arrangement.
2. electromagnetic wave collecting device as claimed in claim 1, it is characterized in that: this reflector element has the first inclined-plane and the second inclined-plane, this first reflector is positioned on this first inclined-plane.
3. electromagnetic wave collecting device as claimed in claim 2, is characterized in that: the intersection on this first inclined-plane and this second inclined-plane forms cambered surface.
4. electromagnetic wave collecting device as claimed in claim 2, is characterized in that: this electromagnetic wave collecting device also comprises the second reflector, is positioned on this second inclined-plane.
5. electromagnetic wave collecting device as claimed in claim 1, is characterized in that: this electromagnetic wave collecting device also comprises anti-reflecting layer, is arranged on this first surface.
6. electromagnetic wave collecting device as claimed in claim 1, it is characterized in that: in this column or this tabular electromagnetic wave conductor, refractive index near this first surface place is less than the refractive index near this second surface place, or the refractive index of this column or this tabular electromagnetic wave conductor is along increasing gradually from this first surface to the direction of this second surface or increasing in staged.
7. electromagnetic wave collecting device as claimed in claim 1, is characterized in that: this first surface is plane or cambered surface.
8. electromagnetic wave collecting device as claimed in claim 1, is characterized in that: this column or this tabular electromagnetic wave conductor are a tabular electromagnetic wave conductor; This catoptric arrangement is a zigzag catoptric arrangement.
9. a solar cell module, it comprises electromagnetic wave collecting device and energy conversion device, this electromagnetic wave collecting device is selected from the electromagnetic wave collecting device in claim 1 to 8 described in any one, and this energy conversion device is arranged at least one end face of this electromagnetic wave collecting device.
10. solar cell module as claimed in claim 9, it is characterized in that: this energy conversion device is solar cell, its material is monocrystalline silicon, polysilicon, three or five race's semiconductor or copper indium gallium selenide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310140363.0A CN103227215B (en) | 2010-08-23 | 2010-08-23 | Solar cell module and electromagnetic wave collecting device thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310140363.0A CN103227215B (en) | 2010-08-23 | 2010-08-23 | Solar cell module and electromagnetic wave collecting device thereof |
| CN 201010259869 CN102376784B (en) | 2010-08-23 | 2010-08-23 | Solar cell module and electromagnetic wave collecting device thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010259869 Division CN102376784B (en) | 2010-08-23 | 2010-08-23 | Solar cell module and electromagnetic wave collecting device thereof |
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| Publication Number | Publication Date |
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| CN103227215A CN103227215A (en) | 2013-07-31 |
| CN103227215B true CN103227215B (en) | 2015-09-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090126792A1 (en) * | 2007-11-16 | 2009-05-21 | Qualcomm Incorporated | Thin film solar concentrator/collector |
| US9274266B2 (en) * | 2008-09-19 | 2016-03-01 | The Regents Of The University Of California | System and method for solar energy capture and related method of manufacturing |
| KR101099480B1 (en) * | 2009-02-13 | 2011-12-27 | 엘지전자 주식회사 | Solar Cell, Method for Manufacturing thereof and Etching Method for Substrate |
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