CN204029832U - A kind of structure of solar photovoltaic assembly - Google Patents
A kind of structure of solar photovoltaic assembly Download PDFInfo
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- CN204029832U CN204029832U CN201420335388.6U CN201420335388U CN204029832U CN 204029832 U CN204029832 U CN 204029832U CN 201420335388 U CN201420335388 U CN 201420335388U CN 204029832 U CN204029832 U CN 204029832U
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- cell piece
- leading
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- out terminal
- assembly
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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 relates to a kind of structure of solar photovoltaic assembly, cell piece positive and negative electrode leading-out terminal cell piece is positioned at the two adjacent row at element width 1/2nd places, be positioned at assembly the first row top, have and only have the leading-out terminal of cell piece to have busbar to be connected with terminal box; Start to connect with next cell piece welding positive and negative electrode along the direction of row or column from leading-out terminal positive battery sheet, if the angle of 3 continuous cell pieces in closure is 90 °, wherein the welding direction of the front electrode of second cell piece and backplate welding is 90 ° of angles.This utility model relates to compared with the connected mode of assembly and the connected mode of traditional components, can greatly reduce the use of busbar, not only can reduce material cost but also can reduce the string resistance of assembly, plays the object that increases component efficiency.
Description
Technical field
The utility model relates to photovoltaic module field, is specifically related to a kind of structure of solar photovoltaic assembly.
Background technology
Tradition crystal silicon solar battery assembly is with busbar, welding, cell piece to be in series.Taking one 60 6 inch crystal silicon solar battery group valencys as example, as shown in Figure 1, the length of common bus exceedes 3m, string resistance will exceed 40m Ω, the loss of electricity on busbar will exceed 1.6W like this, consider the impact of solder joint on string resistance, and the electricity loss on busbar will be considerably beyond 1.6W.
The use of many busbars, not only can significantly increase human cost; And, all there is busbar to draw at the two ends up and down of assembly, like this can the corresponding use amount that increases the materials such as glass, EVA, backboard, aluminium alloy.
Outward appearance, the excessive use of busbar, affects the outward appearance of assembly.
Photovoltaic industry is increasingly competitive now, is also Business survival and development Bi Youzhi road except improving the conversion efficiency of solar cell, reducing costs.The use amount that reduces busbar, not only can increase the cost of solar module, and can material cost.
Summary of the invention
The purpose of this utility model is exactly the structure of a kind of solar photovoltaic assembly of adopting for above-mentioned defect, greatly reduces the use amount of busbar, not only can reduce material cost but also can reduce the string resistance of assembly, plays the object that increases component efficiency.
The structure technology scheme of a kind of solar photovoltaic assembly that the utility model provides is, this photovoltaic module comprises the capable m row of n cell piece, wherein, n is not less than 2, m is not less than 2, cell piece positive and negative electrode leading-out terminal cell piece is positioned at the two adjacent row at element width 1/2nd places, is positioned at assembly the first row top, has and only have the leading-out terminal of cell piece to have busbar to be connected with terminal box; Start to connect with next cell piece welding positive and negative electrode along the direction of row or column from leading-out terminal positive battery sheet, if the angle of 3 continuous cell pieces in closure is 90 °, wherein the welding direction of the front electrode of second cell piece and backplate welding is 90 ° of angles.
Preferably, comprise 10 row 6 row cell pieces.
The leading-out terminal of diode and assembly middle distance positive and negative electrode leading-out terminal air line distance the most nearby cell piece are connected, and draw diode leading-out terminal at the back side of this cell piece by busbar.
The leading-out terminal of diode is positioned at any a slice of adjacent two cell pieces of assembly the first row and element width 1/2nd places, draws diode leading-out terminal at the back side of this cell piece by busbar.
In assembly, the spacing of cell piece row is 1-20mm.The spacing that in assembly, cell piece is capable is 1-20mm.
Preferably, in assembly, the spacing of cell piece row is 2mm, and in assembly, cell piece line space is 2mm.
The beneficial effects of the utility model are: this utility model relates to compared with the connected mode of assembly and the connected mode of traditional components, can greatly reduce the use of busbar, not only can reduce material cost but also can reduce the string resistance of assembly, play the object that increases component efficiency.Experiment showed, the tradition version type (with 1564mm*982mm size, 60 156mm*156mm assemblies are example) that adopts, compared with the method for attachment of traditional components, can reduce string resistance 65m Ω, raise the efficiency 2.7W; This syndeton can further reduce size of components in addition, reduces assembly cost.
brief description of the drawings:
Fig. 1 is the cell piece back side connection diagram of conventional photovoltaic assembly;
Fig. 2 is the positive connection diagram of the cell piece of embodiment 1 photovoltaic module;
Fig. 3 is the cell piece back side connection diagram of embodiment 1 photovoltaic module.
In figure, 2. welding; 3. positive electrode leading-out terminal busbar; 4. negative electrode leading-out terminal busbar; 5. diode leading-out terminal busbar; 6. traditional components busbar; The welding direction of 11. front electrodes and backplate welding is 90 ° of angle cell pieces; The consistent cell piece of welding direction of 12. front electrodes and backplate welding.
embodiment:
In order to understand better the utility model, describe the technical solution of the utility model in detail below in conjunction with accompanying drawing, but the utility model is not limited to this.
Embodiment 1
A structure for solar photovoltaic assembly, this assembly comprises 8 row 6 row cell pieces.With reference to Figure of description Fig. 2,3, cell piece positive and negative electrode leading-out terminal cell piece is positioned at the adjacent row in both sides at element width 1/2nd places, be positioned at assembly the first row top, have and only have the leading-out terminal of cell piece to have positive electrode leading-out terminal busbar 3 to be connected with terminal box with negative electrode leading-out terminal busbar 4.Start to connect with next cell piece welding 2 positive and negative electrodes along the direction of row or column from leading-out terminal positive battery sheet, this assembly is comprised to 8 row 6 row cell pieces are together in series as shown in Figure of description 2,3.If the angle of 3 continuous cell pieces in closure is 90 °, the welding direction of the front electrode of second cell piece and backplate welding is 90 ° of angles, as the welding direction of front electrode in Figure of description Fig. 2,3 and backplate welding is 90 ° of angle cell pieces 11, other are front electrode and the consistent cell piece 12 of welding direction of backplate welding; The leading-out terminal busbar 5 of diode and assembly apart from the leading-out terminal of cell piece have positive electrode leading-out terminal busbar 3 and negative electrode leading-out terminal busbar 4 air line distances the most nearby cell piece be connected, draw diode leading-out terminal at the back side of this cell piece by the leading-out terminal busbar 5 of diode.
The leading-out terminal of diode is positioned at any a slice of adjacent two cell pieces of assembly the first row and element width 1/2nd places, draws diode leading-out terminal at the back side of this cell piece by the leading-out terminal busbar 5 of diode; The line space of assembly the first row and the second row is 20mm, and the spacing of other row or column is 12mm.This utility model relates to compared with the connected mode of assembly and the connected mode of traditional components, can greatly reduce the use of traditional components busbar 6, not only can reduce material cost but also can reduce the string resistance of assembly, plays the object that increases component efficiency.
Embodiment 2
A structure for solar photovoltaic assembly, this assembly comprises 10 row 6 row cell pieces.Cell piece positive and negative electrode leading-out terminal cell piece is positioned at the adjacent row in both sides at element width 1/2nd places, be positioned at assembly the first row top, have and only have the leading-out terminal of cell piece to have positive electrode leading-out terminal busbar 3 to be connected with terminal box with negative electrode leading-out terminal busbar 4.Start to connect with next cell piece welding 2 positive and negative electrodes along the direction of row or column from leading-out terminal positive battery sheet, this assembly is comprised to 10 row 6 row cell pieces are together in series.If the angle of 3 continuous cell pieces in closure is 90 °, the welding direction of the front electrode of second cell piece and backplate welding is 90 ° of angles, as the welding direction of front electrode in Figure of description Fig. 2,3 and backplate welding is 90 ° of angle cell pieces 11, other are front electrode and the consistent cell piece 12 of welding direction of backplate welding; The leading-out terminal busbar 5 of diode and assembly apart from the leading-out terminal of cell piece have positive electrode leading-out terminal busbar 3 and negative electrode leading-out terminal busbar 4 air line distances the most nearby cell piece be connected, draw diode leading-out terminal at the back side of this cell piece by the leading-out terminal busbar 5 of diode.
The leading-out terminal of diode is positioned at any a slice of adjacent two cell pieces of assembly the first row and element width 1/2nd places, draws diode leading-out terminal at the back side of this cell piece by the leading-out terminal busbar 5 of diode; The line space of assembly the first row and the second row is 8mm, and the spacing of other row or column is 2mm.This utility model relates to compared with the connected mode of assembly and the connected mode of traditional components, can greatly reduce the use of traditional components busbar 6, not only can reduce material cost but also can reduce the string resistance of assembly, plays the object that increases component efficiency.
Adopt tradition version type (with 1564mm*982mm size, 60 156mm*156mm assemblies are example), compared with the method for attachment of traditional components, can reduce string resistance 65m Ω, raise the efficiency 2.7W; This syndeton can further reduce size of components in addition, reduces assembly cost.
Claims (8)
1. the structure of a solar photovoltaic assembly, it is characterized in that, this photovoltaic module comprises the capable m row of n cell piece, wherein, n is not less than 2, m and is not less than 2, and cell piece positive and negative electrode leading-out terminal cell piece is positioned at the two adjacent row at element width 1/2nd places, be positioned at assembly the first row top, have and only have the leading-out terminal of cell piece to have busbar to be connected with terminal box; Start to connect with next cell piece welding positive and negative electrode along the direction of row or column from leading-out terminal positive battery sheet, if the angle of 3 continuous cell pieces in closure is 90 °, wherein the welding direction of the front electrode of second cell piece and backplate welding is 90 ° of angles.
2. the structure of a kind of solar photovoltaic assembly according to claim 1, is characterized in that, comprises 10 row 6 row cell pieces.
3. the structure of a kind of solar photovoltaic assembly according to claim 1, it is characterized in that, the leading-out terminal of diode and assembly middle distance positive and negative electrode leading-out terminal air line distance the most nearby cell piece are connected, and draw diode leading-out terminal at the back side of this cell piece by busbar.
4. the structure of a kind of solar photovoltaic assembly according to claim 1, it is characterized in that, the leading-out terminal of diode is positioned at any a slice of adjacent two cell pieces of assembly the first row and element width 1/2nd places, draws diode leading-out terminal at the back side of this cell piece by busbar.
5. the structure of a kind of solar photovoltaic assembly according to claim 1, is characterized in that, in assembly, the spacing of cell piece row is 1-20mm.
6. the structure of a kind of solar photovoltaic assembly according to claim 1, is characterized in that, in assembly, the spacing of cell piece row is 2mm.
7. the structure of a kind of solar photovoltaic assembly according to claim 1, is characterized in that, the spacing that in assembly, cell piece is capable is 1-20mm.
8. the structure of a kind of solar photovoltaic assembly according to claim 1, is characterized in that, in assembly, cell piece line space is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420335388.6U CN204029832U (en) | 2014-06-23 | 2014-06-23 | A kind of structure of solar photovoltaic assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420335388.6U CN204029832U (en) | 2014-06-23 | 2014-06-23 | A kind of structure of solar photovoltaic assembly |
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| CN204029832U true CN204029832U (en) | 2014-12-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051559A (en) * | 2014-06-23 | 2014-09-17 | 山东力诺光伏高科技有限公司 | Photovoltaic module connection method |
| CN109950334A (en) * | 2019-04-02 | 2019-06-28 | 晶澳（扬州）太阳能科技有限公司 | MWT solar battery group string and preparation method thereof, component |
-
2014
- 2014-06-23 CN CN201420335388.6U patent/CN204029832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051559A (en) * | 2014-06-23 | 2014-09-17 | 山东力诺光伏高科技有限公司 | Photovoltaic module connection method |
| CN109950334A (en) * | 2019-04-02 | 2019-06-28 | 晶澳（扬州）太阳能科技有限公司 | MWT solar battery group string and preparation method thereof, component |
| CN109950334B (en) * | 2019-04-02 | 2024-03-26 | 晶澳（扬州）太阳能科技有限公司 | MWT solar battery string, preparation method thereof and assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |