CN206820003U - Photovoltaic imbrication component - Google Patents
Photovoltaic imbrication component Download PDFInfo
- Publication number
- CN206820003U CN206820003U CN201720650904.8U CN201720650904U CN206820003U CN 206820003 U CN206820003 U CN 206820003U CN 201720650904 U CN201720650904 U CN 201720650904U CN 206820003 U CN206820003 U CN 206820003U
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- Prior art keywords
- main grid
- welding
- horizontal
- cell pieces
- longitudinal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000003466 welding Methods 0.000 claims abstract description 72
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- 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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- Photovoltaic Devices (AREA)
Abstract
A kind of photovoltaic imbrication component is the utility model is related to, it includes at least two battery strings in series or in parallel with each other, and battery strings include more main grid cell pieces of at least two stitch welding successively；The positive side of more main grid cell pieces is provided with longitudinal main grid, and the side at the back side is provided with longitudinal back electrode, and longitudinal main grid is located at the not homonymy of more main grid cell pieces with longitudinal back electrode；The front of more main grid cell pieces is provided with several first horizontal main grids and several second horizontal main grids, and main grid welding more than first is welded with the first horizontal main grid；The back side of more main grid cell pieces is additionally provided with several horizontal back electrodes being arranged in pairs, and each pair transverse direction back electrode welds positioned at the both sides at the back side of more main grid cell pieces and by the welding of main grid more than second respectively.Above-mentioned photovoltaic imbrication component, though one of them more main grid cell piece occur it is hidden split or be broken, will not also cause the disconnected string of battery strings.
Description
Technical field
Photovoltaic module field is the utility model is related to, more particularly to a kind of photovoltaic imbrication component.
Background technology
Solar energy has many-sided advantages such as inexhaustible and clean environment firendly as a kind of green novel energy source.
The size of traditional single photovoltaic cell piece is larger, generally polycrystalline 175.75mmx175.75mm and monocrystalline 125mmx125mm,
Using the collected current Density inhomogeneity of the photovoltaic module of this photovoltaic cell series system, the power attenuation of photoelectric conversion
Greatly, power benefit is affected.Therefore, conventional photovoltaic cell piece is cut into the small pieces cell piece of some small width, adjacent two
The front main grid and back side back electrode of individual battery blade unit are overlapping, are welded by conducting medium, form two two neighboring electricity
The series connection of pond blade unit, and multiple battery blade unit stitch welding imbrications form battery strings, multiple battery series-parallel connections or height in series
The photovoltaic imbrication component of density.Such a photovoltaic imbrication component can reduce electric current transfer impedance with the uniformity of motor current density,
So as to reduce the loss of photovoltaic module power, generated energy is improved.But the battery strings of this stitch welding imbrication, once one of electricity
Pond blade unit generation is hidden to be split or is broken, and battery strings will be caused just to break and gone here and there, and whole string cell piece can not also generate electricity with regard to failure, bring light
Lie prostrate the great integrity problem of imbrication component.
Utility model content
Based on this, it is necessary to provide a kind of photovoltaic imbrication component that can effectively prevent the disconnected string of battery strings.
A kind of photovoltaic imbrication component, including at least two battery strings in series or in parallel with each other, the battery strings are included extremely
More main grid cell pieces of few two stitch welding successively；
The positive side of more main grid cell pieces is provided with longitudinal main grid, and the side at the back side is provided with longitudinal back electrode, institute
State longitudinal main grid and be located at the not homonymy of more main grid cell pieces with longitudinal back electrode；The front of more main grid cell pieces
Provided with several first horizontal main grids and several second horizontal main grids, main grid more than first is welded with the first horizontal main grid
Welding；The back side of more main grid cell pieces is additionally provided with several horizontal back electrodes being arranged in pairs, and electricity is laterally carried on the back described in each pair
Welded respectively positioned at the both sides at the back side of more main grid cell pieces and by the welding of main grid more than second pole；
During adjacent more main grid cell piece stitch welding, the first horizontal main grid of more main grid cell pieces and adjacent institute
The longitudinal back electrode for stating more main grid cell pieces is welded by the welding of main grid more than first；The second of more main grid cell pieces is laterally main
The horizontal back electrode of grid and adjacent more main grid cell pieces is welded by the welding of main grid more than second.
The front and back of more main grid cell pieces of above-mentioned photovoltaic imbrication component is respectively equipped with the welding of main grid more than first and
Main grid welding more than two, and main grid cell piece more than adjacent two is welded by the welding of main grid more than first with the welding of main grid more than second,
Therefore, though one of them more main grid cell piece occur it is hidden split or be broken, more main grid cell pieces and the adjacent cell piece of fracture
Between electric current can also will not cause battery strings by the transmission of the welding of main grid more than first and by the welding transmission of main grid more than second
Disconnected string, so as to increase the reliability of photovoltaic imbrication component.
In one of the embodiments, the described first horizontal main grid have several to the main grid welding more than first
The horizontal main grid pad of welding.
In one of the embodiments, longitudinal back electrode has several to be welded with the welding of main grid more than first
The back electrode pad connect.
In one of the embodiments, the position having a common boundary with the described second horizontal main grid of longitudinal main grid have to
With longitudinal main grid pad of the welding of main grid more than second welding.
In one of the embodiments, it is horizontal parallel to described first to be additionally provided with several for the front of more main grid cell pieces
To main grid anti-breaking grid and several parallel to longitudinal main grid thin grid.
In one of the embodiments, the width of the anti-breaking grid and the thin grid be b1, the first horizontal main grid with
The width of second horizontal main grid is b2, and the width of longitudinal main grid is b3, and the width of longitudinal back electrode is b4, the horizontal stroke
It is b5 to the width of back electrode, wherein, b1=(0.03mm~0.035mm), b2=3*b1, b3=b4=3*b2, b5=
(1.2mm~1.6mm).
In one of the embodiments, the overlapping width of described two adjacent more main grid cell pieces is b, b=
(1.2mm~1.8mm).
In one of the embodiments, the welding of main grid more than first and the welding of main grid more than second be tin-coated copper strip or
Tin plating lead bronze band or plating SAC band.
In one of the embodiments, the scope of the welding of main grid more than first and the diameter of the welding of main grid more than second
For (0.25mm-0.40mm).
In one of the embodiments, the welding of main grid more than first and the thickness of coating of the welding of main grid more than second
Scope is (0.015mm-0.030mm).
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment photovoltaic imbrication component of the utility model one.
Fig. 2 is the structural representation of the battery strings in Fig. 1.
Fig. 3 is the front half tone figure of undivided more main grid cell pieces.
Fig. 4 is the back electrode half tone figure of undivided more main grid cell pieces.
Fig. 5 is the explosive view of more main grid cell pieces in Fig. 1.
Fig. 6 is the structural representation of more main grid cell pieces shown in Fig. 5.
Fig. 7 is the partial structural diagram of more main grid cell pieces shown in Fig. 6.
Fig. 8 is the structural representation in another direction of more main grid cell pieces shown in Fig. 6.
Fig. 9 is the partial structural diagram of more main grid cell pieces described in Fig. 8.
Figure 10 is the front half tone figure of more main grid cell pieces described in Fig. 6.
Figure 11 is Figure 10 partial enlarged drawing.
Figure 12 is the back electrode half tone figure of more main grid cell pieces described in Fig. 6.
Front half tone figure when Figure 13 is more primary gate electrode piece stitch welding shown in two panels Fig. 6.
Structural representation when Figure 14 is more primary gate electrode piece stitch welding shown in two panels Fig. 6.
Figure 15 is the structural representation in Figure 14 another direction.
Figure 16 is longitudinal main grid pad and more than the second of adjacent more main grid cell pieces of more main grid cell pieces shown in Fig. 6
Main grid welding welds schematic diagram.
Figure 17 is Figure 16 partial enlarged drawing.
Figure 18 is that the back electrode pad of more main grid cell pieces shown in Fig. 6 is led with more than the first of adjacent more main grid cell pieces
Grid welding welds schematic diagram.
Figure 19 is Figure 18 partial enlarged drawing.
Wherein, related elements reference numeral is as follows：
1000th, photovoltaic imbrication component 100, battery strings 10, more main grid cell pieces
11st, longitudinal main grid 111, longitudinal main grid pad 12, the first horizontal main grid
121st, horizontal main grid pad 13, the second horizontal main grid 14, main grid welding more than first
15th, longitudinal back electrode 151, back electrode pad 16, horizontal back electrode
17th, the welding of main grid more than second 18, anti-breaking grid 19, thin grid
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
As shown in Figure 1 to Figure 2, photovoltaic imbrication component 1000 includes ten battery strings 100 altogether, is equally divided into two groups, every group
Five battery strings 100 it is parallel with one another, two Battery pack strings 100 are connected.Include the more main of 34 stitch welding successively per Battery pack string 100
Grid cell piece 10.It should be noted that between the number for the battery strings 100 that photovoltaic imbrication component 1000 includes, battery strings 100
The number for more main grid cell pieces 10 that connection in series-parallel relation and battery strings 100 include can be entered according to different electric power output demands
Row setting.
As shown in Figure 3 to Figure 4, in one of the embodiments, more main grid cell pieces 10 provided by the utility model be by
Traditional photovoltaic cell cutting forms.Preferably, traditional photovoltaic cell can be averagely divided into 2-6 parts, that is, split
The length of more main grid cell pieces 10 afterwards is identical with traditional photovoltaic cell, and width is 1/2, the 1/ of traditional photovoltaic cell
3rd, 1/4,1/5 or 1/6.
As shown in Fig. 5 to Figure 12, in one of the embodiments, the front of the side of more main grid cell pieces 10 is provided with longitudinal direction
Main grid 11.The front of more main grid cell pieces 10 is provided with 4 first horizontal 12,8 the second horizontal main grids 13 of main grid and 4 first
More main grid weldings 14.First horizontal main grid 12 is provided with 4 equally distributed horizontal main grid pads 121, the first horizontal main grid 12
Welded by horizontal main grid pad 121 and the welding of main grid more than first 14.Longitudinal main grid 11 is having a common boundary with the second horizontal main grid 13
Position has longitudinal main grid pad 111.
Preferably, the front of more main grid cell pieces 10 is additionally provided with 5 anti-breaking grid 18 parallel to the first horizontal main grid 12.The
One horizontal main grid 12 is uniformly distributed in the front of more main grid cell pieces 10, the first horizontal main grid 12 and anti-breaking grid with anti-breaking grid 18
18 centre position is respectively provided with a second horizontal main grid 13, and the first horizontal main grid 12, the second horizontal main grid 13 and anti-breaking
The front of more main grid cell pieces 10 is separated into equidistant part by grid 18 jointly.
Preferably, the front of more main grid cell pieces 10 is additionally provided with several thin grid 19 parallel to longitudinal main grid 11.
Further, the back side of the side of more main grid cell pieces 10 is provided with longitudinal back electrode 15, and longitudinal back electrode 15 is with indulging
It is located at the relative both sides of more main grid cell pieces 10 to main grid 11.Longitudinal back electrode 15 has 4 back electrode pads 151.It is more main
The back side of grid cell piece 10 is provided with 16 horizontal back electrodes 16 being arranged in pairs and 8 weldings of main grid more than second 17.Each pair is horizontal
Back electrode 16 is located at the both sides of more main grid cell pieces 10, and conllinear setting respectively.Each pair transverse direction back electrode 16 is main by more than second
Grid welding 17 is welded to connect.
Preferably, back electrode pad 151 is uniformly distributed in the back of the body of more main grid cell pieces 10 with horizontal back electrode 16 respectively
Face.Wherein, the position of back electrode pad 151 and the location matches of the welding of main grid more than first 17；The position of horizontal back electrode 16 with
The location matches of second horizontal main grid 13.
It should be noted that more main grid cell pieces 10 be provided with the first horizontal main grid 12, the second horizontal main grid 13, laterally
The number of back electrode 16, anti-breaking grid 18 and thin grid 19 can be adjusted as needed；Likewise, the first horizontal main grid 12,
Two horizontal main grids 13, horizontal back electrode 16, anti-breaking grid 18 and thin grid 19 distribution can also be uneven, its position can also basis
Need to be set；Further, the number of horizontal main grid pad 121 and position be able to can also be set as needed.
As shown in Figure 13 to Figure 19, during adjacent more 10 stitch welding of main grid cell piece, more main grid cell pieces 10 first laterally
Longitudinal back electrode 151 of main grid 12 and adjacent more main grid cell pieces 10 is welded by the welding of main grid more than first 14；More main grid electricity
The horizontal back electrode 16 of second horizontal main grid 13 of pond piece 10 and adjacent more main grid cell pieces 10 passes through main grid welding more than second
17 welding.
In one of the embodiments, the width of anti-breaking grid 18 and thin grid 19 is b1, and the first horizontal main grid 12 and second is horizontal
It is b2 to the width of main grid 13, the width of longitudinal main grid 11 is b3, and the width of longitudinal back electrode 15 is b4, horizontal back electrode 16
Width is b5.Preferably, b1=(0.03mm~0.035mm), b2=3*b1, b3=b4=3*b2, b5=(1.2mm~
1.6mm)。
In one of the embodiments, the scope of the overlapping width of two adjacent more main grid cell pieces 10 is b.It is preferred that
, b=(1.2mm~1.8mm).
In one of the embodiments, the welding of main grid more than first 14 and the welding of main grid more than second 17 are tin-coated copper strip or tin plating
Lead bronze band or plating SAC band.Preferably, the scope of the welding of main grid more than first 14 and the diameter of the welding of main grid more than second 17 is
(0.25mm-0.40mm).Preferably, the welding of main grid more than first 14 and the scope of the thickness of coating of the welding of main grid more than second 17 are
(0.015mm-0.030mm)。
In one of the embodiments, the width of more main grid cell pieces 10 is B, and the length of the welding of main grid more than first 14 is less than
(B-b), and can guarantee that and all horizontal main grid pad solders on the first horizontal main grid 12；Likewise, main grid welding more than second
17 length is less than (B-b), and can guarantee that and welded with horizontal back electrode 16.
The front and back of more main grid cell pieces of above-mentioned photovoltaic imbrication component is respectively equipped with the welding of main grid more than first and
Main grid welding more than two, and main grid cell piece more than adjacent two is welded by the welding of main grid more than first with the welding of main grid more than second,
Therefore, though one of them more main grid cell piece occur it is hidden split or be broken, more main grid cell pieces and the adjacent cell piece of fracture
Between electric current can also will not cause battery strings by the transmission of the welding of main grid more than first and by the welding transmission of main grid more than second
Disconnected string, so as to increase the reliability of photovoltaic imbrication component.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of photovoltaic imbrication component, it is characterised in that including at least two battery strings in series or in parallel with each other, the battery
String includes more main grid cell pieces of at least two stitch welding successively；
The positive side of more main grid cell pieces is provided with longitudinal main grid, and the side at the back side is provided with longitudinal back electrode, described vertical
It is located at the not homonymy of more main grid cell pieces to main grid and longitudinal back electrode；The front of more main grid cell pieces is provided with
Several first horizontal main grids and several second horizontal main grids, the weldering of main grid more than first is welded with the first horizontal main grid
Band；The back side of more main grid cell pieces is additionally provided with several horizontal back electrodes being arranged in pairs, horizontal back electrode described in each pair
Welded respectively positioned at the both sides at the back side of more main grid cell pieces and by the welding of main grid more than second；
During adjacent more main grid cell piece stitch welding, the first horizontal main grid of more main grid cell pieces with it is adjacent described more
Longitudinal back electrode of main grid cell piece is welded by the welding of main grid more than first；Second horizontal main grid of more main grid cell pieces with
The horizontal back electrode of adjacent more main grid cell pieces is welded by the welding of main grid more than second.
2. photovoltaic imbrication component according to claim 1, it is characterised in that the first horizontal main grid is used with several
With the horizontal main grid pad welded with the welding of main grid more than first.
3. photovoltaic imbrication component according to claim 1 or 2, it is characterised in that longitudinal back electrode has several
To the back electrode pad welded with the welding of main grid more than first.
4. photovoltaic imbrication component according to claim 1, it is characterised in that longitudinal main grid with described second laterally
Longitudinal main grid pad that the position that main grid has a common boundary has to weld with the welding of main grid more than second.
5. photovoltaic imbrication component according to claim 1, it is characterised in that the front of more main grid cell pieces is additionally provided with
Several parallel to the described first horizontal main grid anti-breaking grid and several parallel to longitudinal main grid thin grid.
6. photovoltaic imbrication component according to claim 5, it is characterised in that the width of the anti-breaking grid and the thin grid is
B1, the width of the first horizontal main grid and the second horizontal main grid is b2, and the width of longitudinal main grid is b3, the longitudinal direction back of the body
The width of electrode is b4, and the width of the horizontal back electrode is b5, wherein, b1=(0.03mm~0.035mm), b2=3*b1,
B3=b4=3*b2, b5=(1.2mm~1.6mm).
7. photovoltaic imbrication component according to claim 1, it is characterised in that described two adjacent more main grid cell pieces
Overlapping width is b, b=(1.2mm~1.8mm).
8. photovoltaic imbrication component according to claim 1, it is characterised in that the welding of main grid more than first and described second
More main grid weldings are tin-coated copper strip or tin plating lead bronze band or plating SAC band.
9. photovoltaic imbrication component according to claim 8, it is characterised in that the welding of main grid more than first and described second
The scope of the diameter of more main grid weldings is (0.25mm-0.40mm).
10. photovoltaic imbrication component according to claim 8 or claim 9, it is characterised in that the welding of main grid more than first with it is described
The scope of the thickness of coating of the welding of main grid more than second is (0.015mm-0.030mm).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650904.8U CN206820003U (en) | 2017-06-06 | 2017-06-06 | Photovoltaic imbrication component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650904.8U CN206820003U (en) | 2017-06-06 | 2017-06-06 | Photovoltaic imbrication component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820003U true CN206820003U (en) | 2017-12-29 |
Family
ID=60758019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720650904.8U Withdrawn - After Issue CN206820003U (en) | 2017-06-06 | 2017-06-06 | Photovoltaic imbrication component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195713A (en) * | 2017-06-06 | 2017-09-22 | 张家港协鑫集成科技有限公司 | Photovoltaic imbrication component |
| CN108922934A (en) * | 2018-08-03 | 2018-11-30 | 浙江爱旭太阳能科技有限公司 | Two-sided direct-connected solar cell module and preparation method |
-
2017
- 2017-06-06 CN CN201720650904.8U patent/CN206820003U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195713A (en) * | 2017-06-06 | 2017-09-22 | 张家港协鑫集成科技有限公司 | Photovoltaic imbrication component |
| CN107195713B (en) * | 2017-06-06 | 2023-11-24 | 合肥协鑫集成新能源科技有限公司 | Photovoltaic shingle assembly |
| CN108922934A (en) * | 2018-08-03 | 2018-11-30 | 浙江爱旭太阳能科技有限公司 | Two-sided direct-connected solar cell module and preparation method |
| CN108922934B (en) * | 2018-08-03 | 2024-02-09 | 浙江爱旭太阳能科技有限公司 | Double-sided direct-connection solar cell module and preparation method thereof |
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