CN209119143U - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
- Publication number
- CN209119143U CN209119143U CN201822172362.5U CN201822172362U CN209119143U CN 209119143 U CN209119143 U CN 209119143U CN 201822172362 U CN201822172362 U CN 201822172362U CN 209119143 U CN209119143 U CN 209119143U
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- CN
- China
- Prior art keywords
- welding
- cell piece
- pad
- replacing
- photovoltaic module
- Prior art date
- 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.)
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Links
- 238000003466 welding Methods 0.000 claims abstract description 163
- 230000008859 change Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012958 reprocessing Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model photovoltaic module includes several battery strings, an at least battery strings include several original battery pieces and the cell piece through replacing, cell piece through replacing is equipped with the first welding and the second welding for covering its upper and lower surfaces, the two original battery on pieces adjacent with the cell piece through replacing are equipped with third welding and the 4th welding, and the cell piece two sides through replacing are equipped with the first pad and the second pad being connected with described two original battery pieces.The utility model photovoltaic module is when reprocessing without carrying out secondary welding without to the electrode on welding and sticking patch, not only welding effect is good, and optimizes Rework Technics, improves efficiency of doing over again for each electrode separation on welding and cell piece.
Description
Technical field
The utility model relates to photovoltaic cell technical fields, more particularly to a kind of photovoltaic module.
Background technique
With the development of solar-energy photo-voltaic cell and component technology, the efficient photovoltaic module of more and more eager demand.For
The efficiency for improving solar battery, generallys use thinner main grid and thin grid increase the effective area of shining light of battery, compared to
Conventional 4-5 grid, it is even more that battery main gate line number has increased to 6 main grids, 9 main grids, 12 main grids.Pass through increased battery
Main gate line reduces the shading-area of silver paste, also saves slurry while raising efficiency, has great market using valence
Value.
In the actual production process, still the photovoltaic module of some is needed by artificial repair for 2nd time.Conventional 4-5 grid
Cell piece do over again replace cell piece when, welding is heated with soldering iron first, and with barrier paper by each on welding and cell piece
Electrode separated in synchronization takes new cell piece to be placed in original bad piece position again after all removing, then again with soldering iron by welding according to
Secondary welding.However, increasing with battery main gate line quantity, assembly end interconnecting strip number also accordingly increases therewith, leads to component
Difficulty increases when reprocessing.On the other hand, the front electrode above single grid line is all obviously reduced, and is at present spaced apart
Pad, if cell piece needs to carry out secondary welding, then being welded into power can significantly reduce, it is serious if welding can not be complete
It burn-ons.In addition, more main grid components are few using silver paste, secondary welding also relative difficulty is carried out again after tearing piece open.So reprocess efficiency meeting
It substantially reduces, seriously affects the production capacity of photovoltaic module.
Therefore, the replacement efficiency for how improving more main grid photovoltaic modulies is those skilled in the art's technology urgently to be solved
Problem.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic module, uses and significantly improve returning for more grating photovoltaic modulies
Repair the method manufacture of efficiency.
To achieve the above object, the utility model provides a kind of photovoltaic module comprising several battery strings, at least one electricity
Pond string includes several original battery pieces and the cell piece through replacing, and the cell piece through replacing, which is equipped with, covers its upper and lower surfaces
The first welding and the second welding, the two original battery on pieces adjacent with the cell piece through replacing be equipped with third welding and
4th welding, the cell piece two sides through replacing are equipped with the first pad for being connected with described two original battery pieces and the
Two pads.
First welding and third welding have a cross section as a further improvement of the utility model, and described second
Welding and the 4th welding have cross section；First pad is located at the lower section of the cell piece through replacing, and described second
Pad is located in one of the lower section of adjacent original battery piece.
First pad and the second pad are respectively positioned on photovoltaic module as a further improvement of the utility model,
The back side.
The first pad is located at the outer of the electrode at the cell piece back side through replacing as a further improvement of the utility model,
Side, the second pad are located at the outside of the electrode at one adjacent original battery piece back side.
First pad is the cross part of the first welding and third welding as a further improvement of the utility model,
Welding is divided to be formed, second pad welds to be formed for the cross section of the second welding and the 4th welding.
First pad is located at the cell piece back side through replacing as a further improvement of the utility model,
The underface of outermost electrode.
First pad is the first welding and third welding cross section as a further improvement of the utility model,
Welding is formed, or is formed for third welding and the outermost electrode welding at the cell piece back side through replacing.
Second pad is located in one of adjacent original battery piece as a further improvement of the utility model,
The underface of the outermost electrode at the back side.
Second pad is the second welding and the 4th welding cross section as a further improvement of the utility model,
Welding is formed, or is formed for the second welding and the outermost electrode welding at the adjacent original battery piece back side.
The cell piece through replacing can be one or more, the first pad as a further improvement of the utility model,
And second pad be located at the two sides of one or more of cell pieces needed to change.
The beneficial effects of the utility model are: the cell piece through replacing be equipped with cover its upper and lower surfaces the first welding and
Second welding, the two original battery on pieces adjacent with the cell piece through replacing are equipped with third welding and the 4th welding, through replacing
Cell piece two sides be equipped with the first pad and the second pad that are connected with described two original battery pieces, be not necessarily to when reprocessing
By each electrode separation on welding and cell piece, secondary welding is carried out without to the electrode on welding and sticking patch, is not only welded
It is good to connect effect, and optimizes Rework Technics, improves efficiency of doing over again.
Detailed description of the invention
Fig. 1 is that the single string of batteries piece of the utility model cuts the position view of welding.
Fig. 2 is the structural schematic diagram of the cell piece to be replaced of the utility model.
Fig. 3 is welding position schematic diagram when the utility model replaces cell piece.
Fig. 4 is the battery strings structural schematic diagram after the utility model replacement.
Fig. 5 is the position view for cutting welding of the utility model second embodiment.
Fig. 6 is the welding position schematic diagram of the utility model second embodiment.
Fig. 7 is the welding position schematic diagram of the utility model another embodiment.
Specific embodiment
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied
The utility model is described in detail in example.
The photovoltaic module of the utility model is made of improved replacing options, by by cell piece abnormal in battery strings
It is removed together with welding thereon, is changed to sticking patch (normal battery piece).It please join shown in Fig. 1, before reprocessing, the cell piece 10 that needs to change
Two sides are connect by welding 51,52 respectively with two adjacent first cell pieces 20 and the second cell piece 30.The battery needed to change
Upper surface 101 in 10 back sides of piece, that is, Fig. 1 is equipped with anode 103, and front is that the lower surface 102 in Fig. 1 is equipped with cathode 104.It needs more
The welding 51 for 10 upper surface 101 of cell piece changed is connect with anode 103, and the welding 52 of lower surface 102 is connect with cathode 104.
When replacement, make the back side of battery strings static upward first, the upper surface of cell piece is the back side of photovoltaic module, is such as schemed
Position shown in 1 removes the cell piece 10 needed to change under battery strings.It is specific as follows: two positions by upper and lower surfaces 101,
102 welding 51,52 is cut, and the welding 51 of the upper surface 101 of the cell piece 10 needed to change is cut position C1 first and cut, and is needed
The welding 52 of the lower surface 102 of the cell piece 10 of replacement is cut position C2 second and is cut.Two cutting positions, which are located at, to be needed to change
Cell piece 10 two sides, the first cutting position C1 is located at the top of cell piece 10 that needs to change and close is connected with welding 51
First cell piece 20, second cuts close the second cell piece 30 being connected with welding 52 of position C2, and second cuts position in Fig. 1
The top that C2 is located at the second cell piece 30 is set, to make the cell piece 10 needed to change together with one section of its upper and lower surfaces 101,102
Welding is separated from battery strings.
Though it is understood that illustrating only the situation that the cell piece needed replacing is monolithic, the utility model in Fig. 1
Replacing options also include the situation for replacing multiple cell pieces simultaneously, when replacement, first cuts position and second cuts position point
The two sides for the multiple cell pieces entirety that Wei Yu do not need to change.
It please join shown in Fig. 2, be sticking patch, that is, cell piece 40 to be replaced structural schematic diagram of the utility model.To be replaced
Upper and lower surfaces 401,402 soldered first, second weldings 60,70 of cell piece 40, the upper and lower table of cell piece 40 to be replaced
The welding that the two root bead bands 60,70 in face are cut compared to 10 upper and lower surfaces of cell piece needed to change has more one section of reserved portion respectively
Divide 61,71, length L1, L2 of the reserved part 61,71 can be adjusted voluntarily according to actual needs, it is desirable that filling up what original needed to change
When cell piece position, in battery strings there are third, the 4th welding 53,54 has and intersects.Length L1, L2 preferably 5-20mm it
Between.Welding the cell piece of welding in advance can individually be welded with automatic string welding machine, can also from the bad string welded clip.
Please join shown in Fig. 3, cell piece 40 to be replaced is placed at the original position of the cell piece 10 needed to change, make to
The main gate line of the cell piece 40 of replacement is aligned with the main gate line of the first adjacent cell piece 20 and the second cell piece 30, will be to be replaced
Cell piece 40 welded in the first welding position of battery strings and the second welding position and the first cell piece 20 and the second cell piece 30
It is connected together.Region D1 in Fig. 4 is the selectable region in the first welding position, and region D2 is that the second welding position is selectable
Region.It is corresponding that the cutting position C2 of position C1 and second is cut with first respectively in first welding position and the second welding position.Tool
Cell piece 40 and battery strings to be replaced welding together are by by cell piece upper and lower surfaces to be replaced by body
401, the reserved part 61,71 of 402 welding respectively in battery strings there are third, the 4th welding 53,54 cross-fixings,
Two weldings of intersection are welded together after soldering iron heatingization tin, soldering iron is removed after the completion of welding, unclamps tweezers after cooling.The
One welding position and the second welding position are located at the top of cell piece 40 and the second cell piece 30 to be replaced and are located at figure
The anode outside of the leftmost side in 3.
Battery strings through replacing are assembled into photovoltaic module with other battery strings again, please join shown in Fig. 4, the battery strings after replacement
Including several original battery pieces 20,30 and the cell piece through replacing.Cell piece through replacing is the electricity to be replaced after welding
Pond piece 40, upper and lower surfaces are equipped with the first welding 60 and the second welding 70 that weld in advance, the cell piece through replacing it is adjacent two
A original battery piece i.e. the first cell piece 20 and the second cell piece 30 are equipped with third welding 53 and the 4th welding 54, through replacing
Cell piece two sides be equipped with the first pad S1 and the second pad S2 that are connected with two adjacent original battery pieces.
First welding 60 has cross section with third welding 53, and the second welding 70 and the 4th welding 54 have cross section.The
One pad S1 welds to be formed for the cross section of the first welding 60 and third welding 53, and the second pad S2 is the second welding 70
It welds to be formed with the cross section of the 4th welding 54.First pad S1 is located at the lower section of the cell piece through replacing, and is located at
The outside of the electrode at the cell piece back side through replacing.Second pad S2 is located at adjacent original battery piece (second battery
Piece 30) lower section and be located at the original battery piece back side electrode outside.Cell piece through replacing may be it is multiple, this
When the first pad and the second pad be located at the two sides of multiple cell pieces needed to change.After photovoltaic module assembling, the first welding
Point S1 and the second pad S2 is respectively positioned on the back side of photovoltaic module, and the welding reconnected after disconnection is can't see in cell piece front.
It the cutting position of the cell piece needed to change of the utility model can also be as shown in figure 5, its first cutting position C3
In between outermost two anodes 103, second cuts position C4 and previous implementation on 10 upper surface 101 of cell piece needed to change
The second cutting position C2 in mode is identical.Before cutting, first 103 weldings 51 of the upper surface of the cell piece 10 needed to change with
Outermost positive 103 separation in upper surface, the two is specially separated using soldering iron and barrier paper, then use nipper plier handle again
Welding 51,52 cuts position C3 and second first respectively and cuts position C4 cutting.
Then cell piece (structure is as shown in Figure 2) to be replaced is placed on original and changes piece position, main gate line and adjacent
The main gate line of first cell piece 20 and the second cell piece 30 is corresponding, welding position can there are two types of, it is as shown in FIG. 6 and 7 respectively.Figure
Region D3 is the selectable region in the first welding position in 6, and region D4 is the selectable region in the second welding position.Wherein first
Welding position is located at outermost positive 403 surface of cell piece 40 to be replaced, by cell piece 40 to be replaced and battery
String weld together can by by the reserved part 61 of the welding 60 of 40 upper surface of cell piece to be replaced and battery strings there are
53 cross weld of third welding realize.It can also be by by cell piece 40 outermost positive 403 to be replaced and battery strings
Third welding 53 weld realize, the welding 60 on the first welding position, cell piece 40 to be replaced is stayed in original at this time
Welding 53 on string overlaps on 40 back side of cell piece anode, 403 top to be replaced, two root bead bands 60,53 difference and anode
403 connections.It, can be by the reserved part of the second welding 70 of 40 lower surface 402 of cell piece to be replaced in the second welding position
71 with welded after 54 cross-fixing of the 4th welding in battery strings, the second welding position is located at the top of the second cell piece 30.
In Fig. 7, region D5 is the selectable region in the first welding position, and region D6 is the selectable area in the second welding position
Domain.First welding position is located at outermost positive 403 surface of cell piece 40 to be replaced, and the second welding position is located at
Outermost positive 301 surface of second cell piece 30, by cell piece 40 and battery strings to be replaced weld together can
By by the reserved part 61,71 of the first, second welding 60,70 of 40 upper and lower surfaces 401,402 of cell piece to be replaced with
Third, the welding of the 4th welding 53,54 in battery strings are realized.It can also be by by the outermost anode of cell piece 40 to be replaced
403 with the welding of the third weldings 53 of battery strings, by the reserved part 71 of the second welding 70 of 40 lower surface of cell piece to be replaced
It is realized with outermost positive 301 welding of the second cell piece 30.At this time on the first welding position, cell piece 40 to be replaced
Welding 60 and the original third welding 53 stayed on string overlap on 40 back side of cell piece outermost positive 403 to be replaced
Side, two root bead bands 60,53 are respectively only connect with anode 403.The second weldering on the second welding position, cell piece 40 to be replaced
It is overlapped on above 30 back side of the second cell piece outermost positive 301 with 70 with original the 4th welding 54 stayed on string, two
Welding 70,54 is respectively only connect with anode 301.
For the battery strings after replacement, the first pad is located at the outermost electrode at the cell piece back side through replacing
Underface.First pad welds to be formed with third welding cross section for the first welding, or for third welding and through more
The outermost electrode welding at the cell piece back side changed is formed.Second pad is located in one of adjacent original battery piece back
The underface of the outermost electrode in face.Second pad welds to be formed with the 4th welding cross section for the second welding, or
It is formed for the second welding and the outermost electrode welding at the adjacent original battery piece back side.
The utility model cuts the cell piece needed to change together with the welding entirety that its upper and lower surfaces covers from battery strings
Disconnected, use has welded the sticking patch of welding in advance to replace, it is only necessary to cut, be not necessarily to welding and electricity to battery strings from scissors position
Each electrode separation of pond on piece, and the utility model is not necessarily to carry out secondary welding to the electrode on welding and sticking patch, directly
The welding of intersection is welded, or welding and the outermost electrode of cell piece are welded, not only welding effect is good, and
And Rework Technics are optimized, improve efficiency of doing over again.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.
Claims (10)
1. a kind of photovoltaic module comprising several battery strings, it is characterised in that: an at least battery strings include several original battery pieces
And the cell piece through replacing, the cell piece through replacing are equipped with the first welding and the second welding for covering its upper and lower surfaces, with
Two adjacent original battery on pieces of the cell piece through replacing are equipped with third welding and the 4th welding, the electricity through replacing
Pond piece two sides are equipped with the first pad and the second pad being connected with described two original battery pieces.
2. photovoltaic module as described in claim 1, it is characterised in that: first welding and third welding have cross section,
Second welding and the 4th welding have cross section；First pad is located at the lower section of the cell piece through replacing,
Second pad is located in one of the lower section of adjacent original battery piece.
3. photovoltaic module as claimed in claim 2, it is characterised in that: first pad and the second pad are respectively positioned on light
Lie prostrate the back side of component.
4. photovoltaic module as claimed in claim 3, it is characterised in that: the first pad is located at the cell piece back side through replacing
The outside of electrode, the second pad are located at the outside of the electrode at one adjacent original battery piece back side.
5. photovoltaic module as claimed in claim 2, it is characterised in that: first pad is the first welding and third welding
Cross section weld to be formed, second pad is that the cross section of the second welding and the 4th welding welds to be formed.
6. photovoltaic module as claimed in claim 2, it is characterised in that: first pad is located at the battery through replacing
The underface of the outermost electrode at the piece back side.
7. photovoltaic module as claimed in claim 6, it is characterised in that: first pad is the first welding and third welding
Cross section welds to be formed, or is the outermost electrode welding shape of third welding and the cell piece back side through replacing
At.
8. photovoltaic module as claimed in claim 2, it is characterised in that: second pad is located in one of adjacent original
The underface of the outermost electrode at the beginning cell piece back side.
9. photovoltaic module as claimed in claim 8, it is characterised in that: second pad is the second welding and the 4th welding
Cross section welds to be formed, or is the outermost electrode welding shape of the second welding and the adjacent original battery piece back side
At.
10. photovoltaic module as described in claim 1, it is characterised in that: the cell piece through replacing can be one or more, the
One pad and the second pad are located at the two sides of one or more of cell pieces needed to change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172362.5U CN209119143U (en) | 2018-12-24 | 2018-12-24 | Photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172362.5U CN209119143U (en) | 2018-12-24 | 2018-12-24 | Photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119143U true CN209119143U (en) | 2019-07-16 |
Family
ID=67208485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822172362.5U Active CN209119143U (en) | 2018-12-24 | 2018-12-24 | Photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611767A (en) * | 2021-07-28 | 2021-11-05 | 新余赛维电源科技有限公司 | Photovoltaic welding strip, standard component, photovoltaic module and repairing method thereof |
-
2018
- 2018-12-24 CN CN201822172362.5U patent/CN209119143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611767A (en) * | 2021-07-28 | 2021-11-05 | 新余赛维电源科技有限公司 | Photovoltaic welding strip, standard component, photovoltaic module and repairing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |