CN105553416B - A kind of encapsulating structure suitable for high concentrating solar battery - Google Patents
A kind of encapsulating structure suitable for high concentrating solar battery Download PDFInfo
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- CN105553416B CN105553416B CN201510950061.9A CN201510950061A CN105553416B CN 105553416 B CN105553416 B CN 105553416B CN 201510950061 A CN201510950061 A CN 201510950061A CN 105553416 B CN105553416 B CN 105553416B
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- positive
- solar cell
- ring
- negative
- conductive base
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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
Abstract
The invention discloses a kind of encapsulating structure suitable for high concentrating solar battery, including the positive conductive base being socketed successively from inside to outside, insulation gap ring, negative conductive ring and secondary optical lens supporting construction, the positive pole of the back of solar cell is connected with positive conductive base, the positive negative pole of solar cell is connected by wire with negative conductive ring, isolated between the positive conductive base and negative conductive ring by insulation gap ring, secondary optics element is arranged on above solar cell and positioned by secondary optical lens supporting construction and supported, alignd with the center of solar cell at the center of the secondary optics element.The heat that the positive conductive base of the present invention can produce solar cell conducts to electric bottom plate quickly, so as to be prevented effectively from infringement of the heat accumulation to sun efficiency, and by the packaged solar cell both positive and negative polarity of the present invention on the same face, it is easy to directly carry out automation attachment using SMT paster techniques, improves production efficiency.
Description
Technical field
The invention belongs to technical field of solar utilization technique, more particularly to a kind of encapsulation suitable for high concentrating solar battery
Structure.
Background technology
Solar energy has cleaning, No Assets territory restriction, for the mankind forever without good characteristics such as exhaustions, increasingly by
The favor of people, wherein solar energy photovoltaic utilization are that the technology that sunshine is directly changed into electric energy by photovoltaic device especially induces one
Gaze at.But because the photovoltaic cell in photovoltaic system is expensive, cause the more conventional hair of cost of electricity-generating of photovoltaic generation at this stage
Electric cost is higher by several times, therefore photovoltaic technology does not welcome the epoch of large-scale application also.
Under existing conditions, one of effective way of reduction photovoltaic generation cost is exactly concentration applications, this kind of mode, one
As be that incident sunshine is converged using relatively cheap concentrator in sunshine receiving surface, the light after convergence
Incide the surface of efficient multijunction gallium arsenide solar cell.Because the positive and negative polarities of gallium arsenide solar cell are respectively in front
And the back side, and battery is frangible in itself, easily contaminated and corrodes, it is therefore desirable to solar cell is subjected to electricity packaging protection.In addition
When light concentrating times are very high（More than 400 times）, generally required to improve the efficiency of optical system in solar cell front bonding one
Individual secondary optics element（SOE）, its main function is that the light after an optical lens convergence is converged again, is made simultaneously
Incident hot spot is more uniform, so as to improve photovoltaic efficiency.
The ceramic base double face copper of plane is typically used at present, and as illustrated in fig. 1 and 2, it is mainly made up of three-decker, on
Layer copper foil 8, middle ceramic substrate 9 and lower copper foil 10.Such a structure is at high temperature, by the copper foil with electric wiring figure
It is bonded directly to what is formed on ceramic substrate, because ceramic base double face copper intermediate structure is ceramics, its thermal conductivity factor is relative
It is smaller, and gallium arsenide solar cell can produce amount of heat in the case of high power concentrator, and the performance of solar cell to temperature very
Sensitivity, therefore this structure is unfavorable for the radiating of solar cell.
And this mode is only applicable to the optical lens that bottom surface is plane, rectangular pyramid shape as shown in figs. 1 and 2
The upper surface of optical lens and multijunction gallium arsenide solar cell 5, can be bonded together by secondary optics element 6 by adhesive.
But be due to pyramid-shaped secondary optical lens difficulty of processing it is big therefore expensive so that the cost of concentrating photovoltaic assembly is very
It is high.Prior art gradually adopts spherical secondary optics element to replace the optical lens of pyramid-shaped, because spherical optics member
Part uses ball-milling technology quickly to be produced with mass, therefore cheap, and spherical secondary optics element is in the pottery of plane
Porcelain base double face copper can not be fixed effectively.
The content of the invention
It is an object of the invention to：Solar cell can quickly be dissipated there is provided one kind for above-mentioned problem
Heat, so as to be prevented effectively from the encapsulating structure suitable for high concentrating solar battery that heat accumulation is damaged to sun efficiency.
The technical proposal of the invention is realized in this way：A kind of encapsulating structure suitable for high concentrating solar battery, its
It is characterised by：Including the positive conductive base being socketed successively from inside to outside, insulation gap ring, negative conductive ring and secondary optics
Lens support structure, the positive pole of the back of solar cell is connected with positive conductive base, the positive negative pole of solar cell
It is connected by wire with negative conductive ring, is isolated between the positive conductive base and negative conductive ring by insulation gap ring,
The secondary optical lens supporting construction is insulating materials, and secondary optics element is arranged on above solar cell and by secondary light
Lens support structure positioning support is learned, the center of the secondary optics element is alignd with the center of solar cell.
Encapsulating structure of the present invention suitable for high concentrating solar battery, its described secondary optics element is in ball
Shape, the secondary optical lens supporting construction bottom is socketed in negative conductive ring periphery, and its top is and secondary light spherical in shape
Learn in the toroidal of element corresponding matching, the upper axial center and solar cell of the secondary optical lens supporting construction
Heart aligned in position.
Encapsulating structure of the present invention suitable for high concentrating solar battery, the positive pole of its back of solar cell
It is connected with positive conductive base upper surface, the upper surface phase that the positive negative pole of solar cell passes through wire and negative conductive ring
Even.
Encapsulating structure of the present invention suitable for high concentrating solar battery, its described positive conductive base is upper small
Big structure down, its vertical cross-section is in T shape, and the insulation gap ring set is connected on the small column periphery of positive conductive base.
Encapsulating structure of the present invention suitable for high concentrating solar battery, its described positive conductive base and negative pole
The lower surface of conducting ring is on the same face, i.e. the both positive and negative polarity of solar cell is on the same face, the positive conductive base lower end
Spacer region is formed with by insulation gap ring between face and negative conductive ring lower surface.
In the encapsulating structure of the present invention, the heat that positive conductive base can produce solar cell conducts to electric quickly
On bottom plate, so that infringement of the heat accumulation to sun efficiency is prevented effectively from, and also it is positive and negative by the packaged solar cell of the present invention
Extremely on the same face, it is easy to directly carry out automation attachment using SMT paster techniques, improves production efficiency；In addition, this hair
Secondary optical lens supporting construction in bright can not only effectively fix spherical secondary optics element, moreover it is possible to accurately ensure
The center of spherical secondary optics element is overlapped with the center of solar cell.
Brief description of the drawings
Fig. 1 and Fig. 2 are the encapsulating structure schematic diagrames for being currently used for high concentrating solar battery.
Fig. 3 and Fig. 4 are the structural representations of the present invention.
Fig. 5 is the dismounting schematic diagram of the present invention.
Fig. 6 and Fig. 7 are the structural representations after solar cell encapsulation of the present invention.
Fig. 8 is Fig. 7 front view.
Marked in figure：1 is positive conductive base, and 2 be insulation gap ring, and 3 be negative conductive ring, and 4 be secondary optical lens
Supporting construction, 5 be solar cell, and 6 be secondary optics element, and 7 be spacer region, and 8 be upper copper, and 9 be middle ceramic substrate, 10
For lower copper foil.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figures 3-8, a kind of encapsulating structure suitable for high concentrating solar battery, including be socketed successively from inside to outside
Positive conductive base 1, insulation gap ring 2, negative conductive ring 3 and secondary optical lens supporting construction 4, the solar cell
The positive pole at 5 back sides is connected by die bond technique with the upper surface of positive conductive base 1, and the positive negative pole of the solar cell 5 passes through
Wire is connected with the upper surface of negative conductive ring 3, and insulation gap ring 2 is passed through between the positive conductive base 1 and negative conductive ring 3
Isolation, the secondary optical lens supporting construction 4 is insulating materials, and secondary optics element 6 is arranged on the top of solar cell 5 and led to
The positioning support of secondary optical lens supporting construction 4 is crossed, the secondary optics element 6 is spherical in shape, the secondary optical lens support
The bottom of structure 4 is socketed in the periphery of negative conductive ring 3, and its top is the loudspeaker with the corresponding matching of secondary optics element 6 spherical in shape
The degree of lip-rounding, the upper axial center of the secondary optical lens supporting construction 4 is alignd with the center of solar cell 5, from without
It is only capable of effectively fixing spherical secondary optics element, moreover it is possible to after accurately ensureing that spherical secondary optics element 6 is installed, its
Center is alignd coincidence with the center of solar cell 5.
Wherein, the positive conductive base 1 is up-small and down-big structure, and its vertical cross-section is in T shape, the insulation gap
Ring 2 is socketed in the small column periphery of positive conductive base 1, because positive conductive base is conductive metallic material, its capacity of heat transmission
By force, therefore contribute to the conduction of bottom heat, the heat that solar cell can be produced quickly by positive conductive base conduct to
On electric bottom plate, so as to avoid infringement of the heat accumulation to sun efficiency；Under the positive conductive base 1 and negative conductive ring 3
End face is on the same face, i.e. the both positive and negative polarity of solar cell 5 is on the same face, the lower surface of positive conductive base 1 and negative pole
Spacer region 7 is formed with by insulation gap ring 2 between the lower surface of conducting ring 3, this design causes packaged solar cell
Positive pole and negative pole are easy to the note directly automated using SMT paster techniques to fill on the same face, improve production effect
Rate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of encapsulating structure suitable for high concentrating solar battery, it is characterised in that：Including what is be socketed successively from inside to outside
Positive conductive base（1）, insulation gap ring（2）, negative conductive ring（3）And secondary optical lens supporting construction（4）, it is described too
Positive electricity pond（5）The positive pole at the back side and positive conductive base（1）It is connected, the solar cell（5）Positive negative pole by wire with
Negative conductive ring（3）It is connected, the positive conductive base（1）With negative conductive ring（3）Between pass through insulation gap ring（2）Every
From the secondary optical lens supporting construction（4）For insulating materials, secondary optics element（6）It is arranged on solar cell（5）Top
And pass through secondary optical lens supporting construction（4）Positioning support, the secondary optics element（6）Center and solar cell（5）
Center alignment, the secondary optics element（6）It is spherical in shape, the secondary optical lens supporting construction（4）Bottom is socketed
In negative conductive ring（3）Periphery, its top is and secondary optics element spherical in shape（6）The toroidal of corresponding matching, it is described
Secondary optical lens supporting construction（4）Upper axial center and solar cell（5）Center alignment.
2. the encapsulating structure according to claim 1 suitable for high concentrating solar battery, it is characterised in that：The sun
Battery（5）The positive pole at the back side and positive conductive base（1）Upper surface is connected, the solar cell（5）Positive negative pole is by leading
Line and negative conductive ring（3）Upper surface be connected.
3. the encapsulating structure according to claim 1 suitable for high concentrating solar battery, it is characterised in that：The positive pole
Conductive seat（1）For up-small and down-big structure, its vertical cross-section is in T shape, the insulation gap ring（2）It is socketed in positive conductive
Base（1）Small column periphery.
4. the encapsulating structure as claimed in any of claims 1 to 3 suitable for high concentrating solar battery, its feature
It is：The positive conductive base（1）With negative conductive ring（3）Lower surface on the same face, i.e. solar cell（5）Just
Negative pole is on the same face, the positive conductive base（1）Lower surface and negative conductive ring（3）Pass through insulation gap between lower surface
Ring（2）It is formed with spacer region（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510950061.9A CN105553416B (en) | 2015-12-18 | 2015-12-18 | A kind of encapsulating structure suitable for high concentrating solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510950061.9A CN105553416B (en) | 2015-12-18 | 2015-12-18 | A kind of encapsulating structure suitable for high concentrating solar battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105553416A CN105553416A (en) | 2016-05-04 |
| CN105553416B true CN105553416B (en) | 2017-11-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010137687A1 (en) * | 2009-05-28 | 2010-12-02 | 京セラ株式会社 | Component for photoelectric conversion device, photoelectric conversion device, and photoelectric conversion module |
| CN102034886A (en) * | 2010-10-15 | 2011-04-27 | 北京工业大学 | Secondary spotlighting solar photovoltaic device |
| CN102456770A (en) * | 2010-10-14 | 2012-05-16 | 禧通科技股份有限公司 | Package structure of concentrated photovoltaic cell |
| CN102709364A (en) * | 2012-06-11 | 2012-10-03 | 四川钟顺太阳能开发有限公司 | Solar battery assembly and encapsulation method thereof |
| CN204792847U (en) * | 2015-07-15 | 2015-11-18 | 日芯光伏科技有限公司 | Spotlight photovoltaic solar energy glass bottom plate subassembly |
-
2015
- 2015-12-18 CN CN201510950061.9A patent/CN105553416B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010137687A1 (en) * | 2009-05-28 | 2010-12-02 | 京セラ株式会社 | Component for photoelectric conversion device, photoelectric conversion device, and photoelectric conversion module |
| CN102456770A (en) * | 2010-10-14 | 2012-05-16 | 禧通科技股份有限公司 | Package structure of concentrated photovoltaic cell |
| CN102034886A (en) * | 2010-10-15 | 2011-04-27 | 北京工业大学 | Secondary spotlighting solar photovoltaic device |
| CN102709364A (en) * | 2012-06-11 | 2012-10-03 | 四川钟顺太阳能开发有限公司 | Solar battery assembly and encapsulation method thereof |
| CN204792847U (en) * | 2015-07-15 | 2015-11-18 | 日芯光伏科技有限公司 | Spotlight photovoltaic solar energy glass bottom plate subassembly |
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| Publication number | Publication date |
|---|---|
| CN105553416A (en) | 2016-05-04 |
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