CN207021270U - A kind of solar battery sheet screening structure and photovoltaic module - Google Patents
A kind of solar battery sheet screening structure and photovoltaic module Download PDFInfo
- Publication number
- CN207021270U CN207021270U CN201720617061.1U CN201720617061U CN207021270U CN 207021270 U CN207021270 U CN 207021270U CN 201720617061 U CN201720617061 U CN 201720617061U CN 207021270 U CN207021270 U CN 207021270U
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- solar battery
- battery sheet
- photovoltaic module
- welding
- solar
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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
Abstract
The utility model provides a kind of solar battery sheet screening structure and photovoltaic module, including：At least two panels solar battery sheet, welding, adjacent two panels solar battery sheet end are overlapped mutually, and overlapping portion is vertical with solar battery sheet main gate line direction；Described welding one end is connected with solar battery sheet upper surface main gate line, and the other end is connected with adjacent solar battery piece lower surface, and the position that solar battery sheet overlapping portion is corresponded in the middle part of the welding is arranged to flat structure.The utility model eliminates the gap area between cell piece in the prior art, increase effectively photovoltaic module light area utilization rate, improve the generated output of photovoltaic module compared to prior art in a superimposed manner between solar battery sheet.
Description
Technical field
A kind of solar battery sheet screening structure is the utility model is related to, particularly a kind of solar battery sheet screening structure
And photovoltaic module.
Background technology
To the middle of this century, global fossil energy will move towards exhaustion comprehensively, with new energy substitute traditional energy, can with green
The new round energy revolution that the renewable sources of energy substitute fossil energy reaches its maturity.Solar power generation industry has possessed suitable scale,
Technical conditions have tended to be ripe, and Solar use will be that global energy changes most viable solution.
Existing solar battery sheet, monolithic size are mainly 125mm*125mm, 156mm*156mm, are that professional standard is complete
Full wafer.Full wafer cell piece is connected by some thin grid lines with main gate line, and main gate line, which serves, confluxes, will be electric caused by whole cell piece
Conductance goes out.As shown in accompanying drawing 1-2, existing 1 tandem of solar battery sheet is, using welding 2 by per adjacent two panels
Main gate line both positive and negative polarity is serially connected, the one end of welding 2 a piece of battery with the welding of a piece of front main grid line for battery piece, the other end
The piece back side is welded, and 2mm or so gap area between two adjacent cell pieces 1 be present.Gap area above increases photovoltaic
The area of component, the waste of light area is caused, influence the generated output of whole photovoltaic module.
Occurs the screening technology for not producing above-mentioned gap area in the market, if application publication number is CN106098819A
Patent document in, cell piece main gate line arrangement to cell piece edge, then by main gate line partial stack.Above technology improves
The problem of light area wastes, but solar battery sheet internal structure and professional standard piece be entirely different, production solar energy
Being required for complete equipment of cell piece opens up new die again, and input cost is high, for the small small-sized solar battery of batch
Component is more inapplicable.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model there is provided a kind of using professional standard electricity
The solar battery sheet screening structure of pond piece concatenation.
To reach above-mentioned purpose, technical scheme is used by the utility model solves its technical problem：A kind of solar energy
Cell piece screening structure, including：
At least two panels solar battery sheet, adjacent two panels solar battery sheet end are overlapped mutually, overlapping portion and the sun
Energy cell piece main gate line direction is vertical；
Welding, described welding one end are connected with solar battery sheet upper surface main gate line, the other end and the adjacent sun
The connection of energy cell piece lower surface, the position that the welding middle part corresponds to solar battery sheet overlapping portion are arranged to flat knot
Structure.
The utility model eliminates battery in the prior art compared to prior art in a superimposed manner between solar battery sheet
Gap area between piece, photovoltaic module light area utilization rate is increase effectively, improve the generated output of photovoltaic module.
Further, the thickness at the welding flat structure is less than or equal to 0.1mm.
Further, the adjacent solar battery piece overlapping portion width is 0.5-8mm.
Using above-mentioned preferable scheme, reduce stress influence of the welding to cell piece overlapping portion, it is broken to reduce cell piece
Piece risk.
Further, the solar battery sheet cutting is multiple solar cell small pieces, line of cut and main gate line direction
Vertically, each solar cell small pieces end is overlapped mutually, and overlapping portion is vertical with main gate line direction.
Using above-mentioned preferable scheme, monoblock solar battery sheet is cut into multiple fritters and is overlapped, it is convenient to light
Volt component overall dimensions, power are adjusted, while also increase smooth surface, improve photovoltaic module generated output.
Further, avoidance is provided with the main gate line of the solar battery sheet or the one end of solar cell small pieces
Mouthful, the welding is set through the avoidance mouth.
Using above-mentioned preferable scheme, welding is avoided from mouth is avoided, and is eliminated and is caused stress to the cell piece of upper-lower position,
Improve photovoltaic module yield rate.
Further, in the overlapping portion upper surface edges and corners of the adjacent solar battery sheet or solar cell small pieces
It is provided with transparent polarisation bar.
Using above-mentioned preferable scheme, thus it is possible to vary opticpath, eliminate the shade at cell piece superposition, increase smooth surface
Product.
Further, the transparent polarisation bar is made up of orthogonal facies posterior hepatis, polarisation portion, in the transparent polarisation bar
Right-angle surface is fitted with overlapping portion upper surface corner angle, and the facies posterior hepatis is arranged on corner angle upper surface, and the polarisation portion is set
Put in corner angle side, polarisation portion outer surface is arc surface.
Using above-mentioned preferable scheme, light efficiently can be refracted to electricity by transparent polarisation bar with the firm combination of cell piece
Pond piece surface.
Further, the binding face in the polarisation portion and corner angle side is provided with reflecting layer.
Using above-mentioned preferable scheme, the light that will can originally be irradiated to cell piece side and can not be absorbed and used, then
Reuptaked utilization in the surface for reflexing to cell piece.
A kind of photovoltaic module, including multiple solar battery sheets, the solar battery sheet use above-mentioned screening structure
It is combined as cell piece string.
Further, including a plurality of cell piece string, along the vertical or horizontal parallel arranged of photovoltaic module.
Using above-mentioned preferable scheme, the gap area between cell piece is eliminated, adds effective area of shining light, is improved
Photovoltaic module generated output.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of conventional batteries piece screening；
Fig. 2 is Fig. 1 overlooking the structure diagram；
Fig. 3 is the overlooking the structure diagram of welding in a kind of embodiment of the utility model；
Fig. 4 is the structural representation of the longitudinal cross-section of welding in Fig. 3；
Fig. 5 is a kind of structural representation of embodiment of the utility model；
Fig. 6 is Fig. 5 overlooking the structure diagram；
Fig. 7 is the structural representation of the utility model another embodiment；
Fig. 8 is the structural representation of the utility model another embodiment；
Fig. 9 is the light path schematic diagram of the transparent polarisation bar refracted light of the utility model；
Figure 10 is the light path schematic diagram of the transparent polarisation bar reflection light of the utility model；
Figure 11 is a kind of photovoltaic module screening structural representation of the utility model；
Figure 12 is Figure 11 upper left hand corner section partial enlarged drawings；
Figure 13 is a kind of photovoltaic module screening structural representation of the utility model；
Figure 14 is Figure 13 upper left hand corner section partial enlarged drawings.
Numeral and the title of the corresponding component represented by letter in figure：
1- solar battery sheets；11- solar battery sheets；111- overlapping portions；112- avoids mouth；2- weldings；21- is welded
Band；211- flat structures；The transparent polarisation bars of 3-；31- facies posterior hepatises；32- polarisations portion；33- reflecting layer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As seen in figures 3-6, a kind of solar battery sheet screening structure, including：At least two panels solar battery sheet 11, welding
21, the adjacent end of two panels solar battery sheet 11 is overlapped mutually, and overlapping portion 111 hangs down with the main gate line direction of solar battery sheet 11
Directly, it is superimposed between solar battery sheet 11 with imbricated way, when there is cell piece superposition at a piece of solar battery sheet both ends, wherein
When one end is in adjacent cell piece top, the other end is then in the bottom of adjacent another cell piece；The one end of welding 21 and solar energy
The main gate line connection of cell piece upper surface, the other end are connected with adjacent solar battery piece lower surface, and the middle part of welding 21 corresponds to too
The position of the positive energy overlapping portion 111 of cell piece 11 is arranged to flat structure 211.
It is using the beneficial effect of above-mentioned technical proposal：Prior art is eliminated in a superimposed manner between solar battery sheet 11
Gap area between middle cell piece, photovoltaic module light area utilization rate is increase effectively, improve the generating work(of photovoltaic module
Rate.
In other embodiments of the present utility model, in order to reach the purpose for reducing cell piece fragment rate, Fig. 3-4 is
The structural representation of welding, the thickness at welding centre position flat structure 211 are less than or equal to 0.1mm；Adjacent solar-electricity
The width of 11 overlapping portion of pond piece 111 is 0.5-8mm.It is using the beneficial effect of above-mentioned technical proposal：Reduce welding to battery
The stress influence of piece overlapping portion, reduce cell piece fragment risk.
It is described in order to reach the purpose of further increase light-receiving area in other embodiments of the present utility model
Solar battery sheet cutting is multiple solar cell small pieces, and line of cut is vertical with main gate line direction, each solar cell small pieces
Between arranged with imbricated way, overlapping portion is vertical with main gate line direction.It is using the beneficial effect of above-mentioned technical proposal：Will be whole
Block solar battery sheet is cut into multiple fritters and is overlapped, convenient that photovoltaic module overall dimensions, power are adjusted, simultaneously
Smooth surface is also increased, improves photovoltaic module generated output.
As shown in fig. 7, in other embodiments of the present utility model, in order to reach the purpose for avoiding welding 21,
It is provided with the main gate line of the one end of solar battery sheet 11 or solar cell small pieces and avoids mouth 112, welding 21, which passes through, is avoided
Mouth 112 is set.It is using the beneficial effect of above-mentioned technical proposal：Welding 21 is avoided from mouth 112 is avoided, and is eliminated to upper-lower position
Cell piece cause stress, improve photovoltaic module yield rate.
As shown in figure 8, in other embodiments of the present utility model, in order to reach the mesh of increase effective area of shining light
, it is provided with the overlapping portion upper surface edges and corners of the adjacent solar battery sheet 11 or solar cell small pieces transparent inclined
Striation 3, transparent polarisation bar is preferably using the soft base transparent material of polymerization, optical index 1.6-2.0.Using having for above-mentioned technical proposal
Beneficial effect is：Opticpath can be changed, eliminate the shade at cell piece superposition, increase light-receiving area.
In other embodiments of the present utility model, in order to reach the purpose for improving transparent polarisation bar stability, thoroughly
Bright polarisation bar 3 is made up of orthogonal facies posterior hepatis 31, polarisation portion 32, in transparent polarisation bar 3 in right-angle surface and overlapping portion 111
Surface corner angle fit, and facies posterior hepatis 31 is arranged on corner angle upper surface, and polarisation portion 32 is arranged on corner angle side, the outer surface of polarisation portion 32
For arc surface.As shown in figure 9, light passes through the refraction of transparent polarisation bar 3, the table of cell piece 11 of corner angle edge is effectively irradiated to
Face, it is efficiently absorbed and is converted to electric energy.It is using the beneficial effect of above-mentioned technical proposal：Transparent polarisation bar can consolidate with cell piece
With reference to light efficiently is refracted into cell piece surface.
As shown in Figure 10, in other embodiments of the present utility model, in order to reach the mesh for improving light utilization
, the binding face in polarisation portion 32 and corner angle side is provided with reflecting layer 33.In Figure 10, the light of cell piece corner angle side is irradiated to originally
Reflection of the line through reflecting layer 33, reach cell piece surface and be efficiently absorbed utilization.It is using the beneficial effect of above-mentioned technical proposal：
The light that will can be originally irradiated to cell piece side and can not be absorbed and used, the surface for being re-reflected into cell piece 11 is inhaled again
Receive and utilize.
A kind of photovoltaic module, including multiple solar battery sheets, the solar battery sheet use above-mentioned screening structure
It is combined as cell piece string.
Using above-mentioned preferable scheme, the gap area between cell piece is eliminated, adds effective area of shining light, is improved
Photovoltaic module generated output.
In other embodiments of the present utility model, photovoltaic module includes a plurality of cell piece string, along photovoltaic group
The vertical or horizontal parallel arranged of part.
As depicted in figs. 11-12, wherein Figure 12 is the partial enlarged drawing of Figure 11 upper lefts, a photovoltaic module, by standard electric
Pond piece (156.75*156.75mm) is cut into two, single chip size (156.75*78.375mm), by the utility model lamination
Mode concatenates the battery strings of 11 battery small pieces, and the row 6 of longitudinal arrangement 2 arranges.It is the number of lamination process and traditional screening mode below
According to contrast：
It can be drawn from upper table, using the utility model mode, size of components adds 6.1%, and component power increases
9.3%, photovoltaic module generated output is effectively lifted.
As illustrated in figs. 13-14, wherein Figure 14 is the partial enlarged drawing of Figure 13 upper lefts, a photovoltaic module, by standard electric
Pond piece (156.75*156.75mm) is cut into two, single chip size (156.75*78.375mm), by the utility model lamination
Mode concatenates the battery strings of 13 battery small pieces, transversely arranged 12 row.It is the data of lamination process and traditional screening mode below
Contrast：
It can be drawn from upper table, using the utility model mode, size of components adds 4.2%, and component power increases
9.4%, photovoltaic module generated output is effectively lifted.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow the common skill in this area
Art personnel can understand content of the present utility model and be carried out, and can not limit the scope of protection of the utility model with this,
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover in the scope of protection of the utility model
It is interior.
Claims (7)
- A kind of 1. solar battery sheet screening structure, it is characterised in that including：At least two panels solar battery sheet, adjacent two panels solar battery sheet end are overlapped mutually, overlapping portion and solar-electricity Pond piece main gate line direction is vertical；Welding, described welding one end are connected with solar battery sheet upper surface main gate line, the other end and adjacent solar-electricity Pond piece lower surface connects, and the position that solar battery sheet overlapping portion is corresponded in the middle part of the welding is arranged to flat structure.
- 2. solar battery sheet screening structure according to claim 1, it is characterised in that at the welding flat structure Thickness is less than or equal to 0.1mm.
- 3. solar battery sheet screening structure according to claim 2, it is characterised in that the adjacent solar battery piece Overlapping portion width is 0.5-8mm.
- 4. according to any described solar battery sheet screening structures of claim 1-3, it is characterised in that the solar cell Piece cutting is multiple solar cell small pieces, and line of cut is vertical with main gate line direction, and each solar cell small pieces end is mutually folded Add, overlapping portion is vertical with main gate line direction.
- 5. solar battery sheet screening structure according to claim 4, it is characterised in that in the solar battery sheet or Avoidance mouth is provided with the main gate line of the one end of solar cell small pieces, the welding is set through the avoidance mouth.
- 6. a kind of photovoltaic module, including multiple solar battery sheets, it is characterised in that the solar battery sheet will using right Any described screening structures of 1-5 are asked to be combined as cell piece string.
- 7. photovoltaic module according to claim 6, it is characterised in that including a plurality of cell piece string, along photovoltaic module Vertical or horizontal parallel arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617061.1U CN207021270U (en) | 2017-05-27 | 2017-05-27 | A kind of solar battery sheet screening structure and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617061.1U CN207021270U (en) | 2017-05-27 | 2017-05-27 | A kind of solar battery sheet screening structure and photovoltaic module |
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| Publication Number | Publication Date |
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| CN207021270U true CN207021270U (en) | 2018-02-16 |
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| CN201720617061.1U Active CN207021270U (en) | 2017-05-27 | 2017-05-27 | A kind of solar battery sheet screening structure and photovoltaic module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564987A (en) * | 2017-09-07 | 2018-01-09 | 泰州隆基乐叶光伏科技有限公司 | A kind of welding structure applied to stacked wafer moudle |
| CN108963020A (en) * | 2017-05-27 | 2018-12-07 | 苏州沃特维自动化系统有限公司 | A kind of solar battery sheet screening structure and photovoltaic module |
| CN109301020A (en) * | 2018-11-15 | 2019-02-01 | 江苏润达光伏无锡有限公司 | It is superimposed photovoltaic module and its manufacturing method |
| CN110581192A (en) * | 2018-06-08 | 2019-12-17 | 君泰创新（北京）科技有限公司 | photovoltaic cell module and photovoltaic wall |
| CN111223950A (en) * | 2018-11-26 | 2020-06-02 | 财团法人工业技术研究院 | Solar panel and solar cell module |
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2017
- 2017-05-27 CN CN201720617061.1U patent/CN207021270U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963020A (en) * | 2017-05-27 | 2018-12-07 | 苏州沃特维自动化系统有限公司 | A kind of solar battery sheet screening structure and photovoltaic module |
| CN108963020B (en) * | 2017-05-27 | 2024-03-22 | 苏州沃特维自动化系统有限公司 | Solar cell arranging structure and photovoltaic module |
| CN107564987A (en) * | 2017-09-07 | 2018-01-09 | 泰州隆基乐叶光伏科技有限公司 | A kind of welding structure applied to stacked wafer moudle |
| WO2019047374A1 (en) * | 2017-09-07 | 2019-03-14 | 泰州隆基乐叶光伏科技有限公司 | Ribbon structure for stack assembly |
| CN107564987B (en) * | 2017-09-07 | 2019-07-19 | 泰州隆基乐叶光伏科技有限公司 | A kind of welding structure applied to stacked wafer moudle |
| US10916673B2 (en) | 2017-09-07 | 2021-02-09 | Longi Solar Technology (Taizhou) Co., Ltd. | Solder strip applied to shingled solar cell module |
| CN110581192A (en) * | 2018-06-08 | 2019-12-17 | 君泰创新（北京）科技有限公司 | photovoltaic cell module and photovoltaic wall |
| CN109301020A (en) * | 2018-11-15 | 2019-02-01 | 江苏润达光伏无锡有限公司 | It is superimposed photovoltaic module and its manufacturing method |
| CN111223950A (en) * | 2018-11-26 | 2020-06-02 | 财团法人工业技术研究院 | Solar panel and solar cell module |
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