CN103050550A - Light collecting solar cell and packaging body structure thereof - Google Patents

Light collecting solar cell and packaging body structure thereof Download PDF

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Publication number
CN103050550A
CN103050550A CN2011103193182A CN201110319318A CN103050550A CN 103050550 A CN103050550 A CN 103050550A CN 2011103193182 A CN2011103193182 A CN 2011103193182A CN 201110319318 A CN201110319318 A CN 201110319318A CN 103050550 A CN103050550 A CN 103050550A
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solar cell
body structure
light collecting
lens
package body
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CN2011103193182A
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黄雨旸
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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 provides a light collecting solar cell and a packaging body structure thereof. The light collecting solar cell and the packaging body structure thereof comprise an array type shell, a plurality of solar cell chips and a plurality of lenses; the array type shell consists of multiple cup bodies which can be used for enlarging a heat dissipation area and effectively reducing the working temperature of the solar cell chips and increasing the electricity generating efficiency; and incident light from various angles can be received through the lenses, so that the incident light can be effectively collected on the solar cell chips. By the adoption of the arrangement of the cup bodies and the lenses provided by the invention, the solar cell and the packaging body structure thereof provided by the invention can reach a high photoelectric converting efficiency without additionally arranging a daylight tracker.

Description

Light collecting type solar cell and package body structure thereof
Technical field
The present invention relates to a kind of light collecting type solar cell and package body structure thereof, particularly relate to a kind of light collecting type solar cell and package body structure thereof with cup and lens.
Background technology
Fig. 1 is the structure chart that has known a kind of light collecting type solar cell now.General light collecting type solar battery structure 100 is to line up array structure, so that solar energy can be collected fully, but the housing of each solar battery cell 11 shares in such array structure, do not have to each other the gap, therefore can't effectively dispel the heat, also because so cause the working temperature of solar battery chip 30 higher, and then reduced photoelectric conversion efficiency.
Fig. 2 is existing known light illumination and the performance diagram of maximum power usefulness, from the power characteristic of Fig. 2 can be clear and definite understanding, different working temperatures has different maximum power usefulness.For example, when the working temperature of solar battery chip 30 during at 95 ℃, maximum power usefulness is about 35%; When working temperature during at 80 ℃, maximum power usefulness is about 35.6%; When working temperature drops to 25 ℃, maximum power usefulness will rise to approximately 38.5%; When working temperature drops to 10 ℃, maximum power usefulness will rise to approximately 39.5%.Therefore the working temperature of the maximum power usefulness of solar battery chip 30 and intensity of sunshine and solar battery chip 30 is closely bound up.When elevated operating temperature, will cause the maximum power usefulness of solar battery chip 30 to descend.
In addition, general light collecting type solar battery structure 100 all uses the combination of Fresnel Lenses 12 (Fresnel Lenes) Yu the daylight tracker (Solar Tracker) of high light harvesting minute surface.Existing known light collecting type solar cell, in order effectively to utilize sunlight, so daylight tracker (Solar Tracker) is considerable.In the light collecting type solar cell, same generating efficiency, the area of solar cell is more little more can save cost, therefore get over the solar cell of small size, require higher to the angle that receives sunlight, namely the precision of daylight tracker (Solar Tracker) wants better, therefore its manufacturing cost can be too high.
Above-mentioned light collecting type solar battery structure 100, only focus on the etendue that how to increase sunlight and then promote generating efficiency, but after etendue increases, Fresnel Lenses 12 can gather sunlight on the narrow and small solar battery chip of area 30 again, therefore may cause the working temperature of solar battery chip 30 rises and damage light collecting type solar battery structure 100, therefore when ignoring cooling system, not only can not cause photoelectric conversion efficiency good but also be easy to cause the problem of fail safe.
This shows, above-mentioned existing light collecting type solar cell obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, finished by development but have no for a long time applicable design always, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious wish of relevant dealer solves.Therefore how to found a kind of novel light collecting type solar cell and package body structure thereof, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The object of the invention is to, overcome the defective that existing light collecting type solar cell exists, and provide a kind of novel light collecting type solar cell and package body structure thereof, technical problem to be solved is to make it simple in structure, can effectively avoid the light collecting type solar cell when running, to cause inner body to produce problem deteriorated or that damage because the caused temperature of solar light focusing rises, and then keep its good operation usefulness.In addition, the present invention does not need the daylight tracker, so can reach simple and easy and effect cheaply, is very suitable for practicality.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.A kind of light collecting type solar cell and package body structure thereof according to the present invention's proposition, it comprises: an array sandwich type element, be comprised of a plurality of cup, its adjacent side of any two cups is formed with a gap, and each cup all has a heat radiation bottom, a hollow space and an opening; A plurality of solar battery chips are to be arranged in those hollow spaces and to be positioned at the cup bottom of this cup in mode one to one; And a plurality of lens, be to be incorporated into those opening parts in mode one to one, and the optically focused of each lens is projeced on the solar battery chip.
Purpose of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid light collecting type solar cell and package body structure thereof, wherein at least one cup position of forming this hollow space further has a reflecting slant of back taper.
Aforesaid light collecting type solar cell and package body structure thereof, wherein said at least one lens are a Fresnel Lenses.
Aforesaid light collecting type solar cell and package body structure thereof, wherein said Fresnel Lenses are a concave-convex lens, and the recess of this concave-convex lens is for connecing the light face, and protuberance is exiting surface.
Aforesaid light collecting type solar cell and package body structure thereof, wherein at least one lens are a concave-convex lens, and the recess of this concave-convex lens is for connecing the light face, protuberance is exiting surface.
Aforesaid light collecting type solar cell and package body structure thereof, wherein lacking lens is a biconvex lens or multiple sections lens.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The package body structure of a kind of light collecting type solar cell that proposes according to the present invention, this package body structure is a cup, this cup has a heat radiation bottom, a hollow space and an opening.
Purpose of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
The package body structure of aforesaid light collecting type solar cell, wherein said hollow space further has the reflecting slant of a back taper.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, light collecting type solar cell of the present invention and package body structure thereof have following advantages and beneficial effect at least:
One, the present invention can make the array housing have larger area of dissipation and can increase the convection current of air by the design of cup, and then effectively reduces temperature.
Two, the present invention can effectively reduce the working temperature of solar battery chip, and then promotes maximum power usefulness.
Three, the present invention can simplify system even need not the daylight tracker by the reflecting slant of lens and back taper.
In sum, the invention relates to a kind of light collecting type solar cell and package body structure thereof, it comprises array housing, a plurality of solar battery chip and a plurality of lens.The array housing is comprised of a plurality of cup, can be in order to enlarge area of dissipation, effectively reduce the working temperature of solar battery chip and increase generating efficiency, see through the incident light that lens can receive various angles, so that incident optical energy effectively concentrates on the solar battery chip.By the setting of cup of the present invention and lens, can reach high-photoelectric transformation efficiency and need not additionally to set up the effect of daylight tracker.The present invention has significant progress technically, and has obvious good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the structure chart that has known a kind of light collecting type solar cell now.
Fig. 2 is existing known light illumination and the performance diagram of maximum power usefulness.
Fig. 3 is the schematic diagram of a kind of light collecting type solar cell package body structure of the embodiment of the invention.
Fig. 4 is the cutaway view of a kind of cup of the embodiment of the invention.
Fig. 5 A is the cutaway view of a kind of lens of the embodiment of the invention.
Fig. 5 B is the cutaway view of a kind of Fresnel Lenses of the embodiment of the invention.
Fig. 6 is the light reflecting effect schematic diagram of a kind of reflecting slant of the embodiment of the invention.
Figure BSA00000595115300031
Figure BSA00000595115300041
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, light collecting type solar cell and its embodiment of package body structure, structure, feature and effect thereof to foundation the present invention proposes are described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, should be to reach technological means and the effect that predetermined purpose takes to obtain one more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, the present invention is limited.
Fig. 3 is the schematic diagram of a kind of light collecting type solar cell package body structure of the embodiment of the invention.Fig. 4 is the cutaway view of a kind of cup of the embodiment of the invention.Fig. 5 A is the cutaway view of a kind of lens of the embodiment of the invention.Fig. 5 B is the cutaway view of a kind of Fresnel Lenses of the embodiment of the invention.Fig. 6 is the light reflecting effect schematic diagram of a kind of reflecting slant of the embodiment of the invention.
See also shown in Figure 3ly, the present embodiment is a kind of light collecting type solar cell and package body structure 200 thereof, and it comprises: an array sandwich type element 20; A plurality of solar battery chips 30; And a plurality of lens 40.
Array housing 20 is comprised of a plurality of cup 21, and the material of array housing 20 is metal materials such as aluminium alloy, aluminium, therefore has good thermal conductivity.Wantonly two cups, 21 its adjacent side are formed with a gap 22, because the existence in gap 22 can so that the contact area of air and array housing 20 increases, also can make air flow property improve, so that array housing 20 can have the fast effect of dispelling the heat.
See also shown in Figure 4ly, each cup 21 has a heat radiation bottom 23, has also formed a hollow space 24 and an opening 25 simultaneously.Cup 21 forms the position of hollow space 24, the optically focused light shape of general fit lens 40, can be designed to a back taper body, and can be at position that cup 21 forms hollow spaces 24 namely the back taper body carry out mirror process, to form a reflecting slant 26, so that hollow space 24 can further have the reflecting slant 26 of back taper.
Solar battery chip 30 is to be arranged in each hollow space 24 and to be positioned at the heat radiation bottom 23 of 21 glasss of bottoms of cup in mode one to one, and solar battery chip 30 also is operative connection with heat radiation bottom 23.When being electric energy when solar battery chip 30 collection sunlights and with transform light energy, solar battery chip 30 can all be assembled thereon because of light and generates heat, this moment is because solar battery chip 30 is operative connection with heat radiation bottom 23, therefore the heat that produces of solar battery chip 30 can conduct to by heat radiation bottom 23 all sites of array housing 20, again by the feature of cup 21, except increasing area of dissipation, simultaneously in again gapped 22 convection current that can increase air of 21 of per two cups, therefore the working temperature of solar battery chip 30 can be effectively reduced, and then also maximum power usefulness can be promoted.
The solar battery chip 30 of the present embodiment can be thin-film solar cells (thin film solar cell), monocrystaline silicon solar cell (mono-crystalline silicon solar cell), polysilicon solar cell (poly-crystalline silicon solar cell) or DSSC.
See also shown in Fig. 5 A, lens 40 all can be a concave-convex lens 40, perhaps a biconvex lens or multiple sections lens.The recess 41 of lens is for connecing the light face, and protuberance 42 is exiting surface.By the design of lens 40, except the incident light that can receive each angle, also can promote simultaneously the spotlight effect of optically focused to the solar battery chip 30.Each lens 40 of the present embodiment are to be incorporated into opening 25 places in mode one to one, and the optically focused of each lens 40 is projeced on the solar battery chip 30.
See also shown in Fig. 5 B, at least one lens 40 can be Fresnel Lenses 40 ' especially, and Fresnel Lenses 40 ' is annotated for the good polyolefine material of optical characteristics and pressed the thin slice that forms, and its structure is to be the groove mirror that strengthens gradually its angle to the outside at downside.
See also shown in Figure 6ly, being reflecting slant 26 reflexes to generating on the solar battery chip 30 with the stray light that receives.When the light of the sun shines in lens 40, most of light can form a light beam and focus on the solar battery chip 30 in the bright dipping side of lens 40, but still have the existence of many stray lights, these stray lights can be by the collection of reflecting slant 26, and then reflex on the solar battery chip 30, cause secondary condensation, therefore can promote the utilance of light.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art are not within breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation 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 (8)

1. a light collecting type solar cell and package body structure thereof is characterized in that it comprises:
An array sandwich type element is comprised of a plurality of cup, and any two its adjacent side of this cup are formed with a gap, and each this cup all has a heat radiation bottom, a hollow space and an opening;
A plurality of solar battery chips are to be arranged in those hollow spaces and to be positioned at the cup bottom of this cup in mode one to one; And
A plurality of lens are to be incorporated into those opening parts in mode one to one, and the optically focused of each these lens are projeced on this solar battery chip.
2. light collecting type solar cell as claimed in claim 1 and package body structure thereof is characterized in that the position that at least one this cup wherein forms this hollow space further has a reflecting slant of back taper.
3. light collecting type solar cell as claimed in claim 1 and package body structure thereof is characterized in that wherein at least one these lens are a Fresnel Lenses.
4. light collecting type solar cell as claimed in claim 3 and package body structure thereof is characterized in that wherein said Fresnel Lenses is a concave-convex lens, and the recess of this concave-convex lens is for connecing the light face, and protuberance is exiting surface.
5. light collecting type solar cell as claimed in claim 1 and package body structure thereof is characterized in that wherein at least one these lens are a concave-convex lens, and the recess of this concave-convex lens is for connecing the light face, and protuberance is exiting surface.
6. light collecting type solar cell as claimed in claim 1 and package body structure thereof is characterized in that wherein at least one these lens are a biconvex lens or multiple sections lens.
7. the package body structure of a light collecting type solar cell is characterized in that this package body structure is a cup, and this cup has a heat radiation bottom, a hollow space and an opening.
8. the package body structure of light collecting type solar cell as claimed in claim 7 is characterized in that wherein said hollow space further has the reflecting slant of a back taper.
CN2011103193182A 2011-10-14 2011-10-14 Light collecting solar cell and packaging body structure thereof Pending CN103050550A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016150360A1 (en) * 2015-03-25 2016-09-29 深圳光启智能光子技术有限公司 Optical signal reception apparatus
CN106487452A (en) * 2015-09-01 2017-03-08 深圳光启智能光子技术有限公司 A kind of light signal receiving
CN107332505A (en) * 2017-07-20 2017-11-07 长春工程学院 A kind of light collecting lattice generating photovoltaic board device
WO2018090277A1 (en) * 2016-11-17 2018-05-24 博立多媒体控股有限公司 Concentrated light-energy receiving device
CN110998177A (en) * 2017-05-18 2020-04-10 裴锡晚 Solar generating set using optical fiber and power generation system using same
WO2021112051A1 (en) * 2019-12-02 2021-06-10 住友電気工業株式会社 Concentrated solar power generation module and concentrated solar power generation device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016150360A1 (en) * 2015-03-25 2016-09-29 深圳光启智能光子技术有限公司 Optical signal reception apparatus
US10243669B2 (en) 2015-03-25 2019-03-26 Kuang-Chi Intelligent Photonic Technology Ltd. Optical signal receiving apparatus
CN106487452A (en) * 2015-09-01 2017-03-08 深圳光启智能光子技术有限公司 A kind of light signal receiving
CN106487452B (en) * 2015-09-01 2023-09-26 深圳光启智能光子技术有限公司 Optical signal receiving device
WO2018090277A1 (en) * 2016-11-17 2018-05-24 博立多媒体控股有限公司 Concentrated light-energy receiving device
CN110998177A (en) * 2017-05-18 2020-04-10 裴锡晚 Solar generating set using optical fiber and power generation system using same
CN107332505A (en) * 2017-07-20 2017-11-07 长春工程学院 A kind of light collecting lattice generating photovoltaic board device
WO2021112051A1 (en) * 2019-12-02 2021-06-10 住友電気工業株式会社 Concentrated solar power generation module and concentrated solar power generation device

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Application publication date: 20130417