CN209087875U - A kind of 12 main grid photovoltaic cell components - Google Patents
A kind of 12 main grid photovoltaic cell components Download PDFInfo
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- CN209087875U CN209087875U CN201821750274.2U CN201821750274U CN209087875U CN 209087875 U CN209087875 U CN 209087875U CN 201821750274 U CN201821750274 U CN 201821750274U CN 209087875 U CN209087875 U CN 209087875U
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- main grid
- battery pack
- cell piece
- cell
- photovoltaic cell
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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
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Abstract
The utility model discloses a kind of 12 main grid photovoltaic cell components, are related to photovoltaic cell technical field.The utility model includes cell piece, 12 main grids are provided on cell piece, several cell pieces connect to form battery pack along main grid direction, attachment device is welded between adjacent two cell piece in battery pack, if dry cell batteries are set side by side, it is connected between adjacent two battery pack by locating adhesive tape, battery pack both ends are connected with busbar；Attachment device includes 12 root bead bands and package casing, and 12 root bead bands are equidistantly juxtaposed on package casing, and 12 root beads band both ends are welded with a cell piece upper surface and another adjacent cell piece lower surface respectively.By 12 main grid cell pieces as component battery, design attachment device is adapted to main grid and can easily and quickly complete to weld, reduces welding difficulty, to reduce production cost, improve the quality of 12 main grid battery packs, application prospect is good the utility model.
Description
Technical field
The utility model belongs to photovoltaic cell technical field, more particularly to a kind of 12 main grid photovoltaic cell components.
Background technique
Solar battery is the semiconductor devices for converting solar energy into electric energy, and grid line is the important component of battery,
It is responsible for the intracorporal photogenerated current of battery to guide to outside batteries.Grid line structure designs good, and the series resistance of battery can be made small,
To keep power loss small, output power, this is particularly important to the monomer solar battery of large area power output.Work as main grid
Quantity increases to five from three, and the increase of corresponding wattage is 260x1.3%=3.4 watts.When main grid quantity continues growing, on secondary grid
Resistance power loss further decrease, but reduced amplitude gradually becomes smaller.On the basis of four main grids, identical secondary grid are being kept
Silver paste consumption declines therewith under the premise of resistance power loss.When main grid number reaches 12 silver paste consumption can reduce by 85% with
On, the cell piece of 12 main grids is lower than four grid, five grid cell series resistances, and the component power made is relatively high, for height
For imitating battery, because high-efficiency battery electric current is bigger, reduction series resistance is critically important, and the design of 12 main grids makes electric current transmit road
Diameter is more reasonable, and cell piece has lower series resistance, and is effectively improved disconnected grid.Currently, 12 main grid battery packs are answered
It is not mature enough with technology, there is also biggish difficulty for welding, therefore, also improve production cost, limit 12 main grids electricity
The application in pond.
Utility model content
The purpose of this utility model is to provide a kind of 12 main grid photovoltaic cell components, have by the design of attachment device
Effect improves welding efficiency, reduces welding difficulty, and the application for solving existing 12 main grid battery is limited, and welding difficulty causes to be produced into
The problem of this raising.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of 12 main grid photovoltaic cell components, including cell piece, is provided with ten on the cell piece
Two main grids, several cell pieces connect to form battery pack along main grid direction, adjacent two cell piece in the battery pack
Between be welded with attachment device, several battery packs are set side by side, between adjacent two battery pack pass through locating adhesive tape connect
It connects, the battery pack both ends are connected with busbar；
The attachment device includes 12 root bead bands and package casing, and 12 weldings are equidistantly juxtaposed on encapsulation
On shell, the welding both ends extend respectively to the bottom and upper segment of package casing two sides, 12 welding both ends point
It is not welded with a cell piece upper surface and another adjacent cell piece lower surface.
Further, the welding is arranged inside package casing in " Z " shape, and the welding is that diameter is 0.04mm's
Welding, welding inside is copper core, and outer layer is tin layers.
Further, the encapsulation spacing of adjacent two weldings is identical as main grid spacing on the cell piece.
Further, the battery pack upper surface is provided with the first EVA layer, and the battery pack lower surface is provided with second
EVA layer.
Further, first EVA layer upper surface is provided with glassy layer, second EVA layer lower surface be provided with every
From notacoria layer.
Further, the glassy layer and isolation four side of notacoria layer are provided with outline border.
The utility model has the following beneficial effects:
1, for the utility model by 12 main grid cell pieces as component battery, design attachment device is adapted to main grid can be square
Just, welding is quickly completed, welding difficulty is reduced, to reduce production cost, improves the matter of 12 main grid battery packs
Amount, application prospect are good.
2, the utility model can effectively reduce component internal resistance, raising group by 12 main grid cell pieces as component battery
Part fill factor and component power and efficiency, battery pack have excellent performance.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of 12 main grid photovoltaic cell components of the utility model；
Fig. 2 is the structural schematic diagram of battery pack；
Fig. 3 is the structure top view of cell piece and attachment device；
Fig. 4 is the attachment structure schematic diagram of cell piece and attachment device.
In attached drawing, parts list represented by the reference numerals are as follows:
1- cell piece, 2- attachment device, 3- busbar, the first EVA layer of 4-, the second EVA layer of 5-, 6- glassy layer, 7- isolation
Notacoria layer, 8- outline border, 101- main grid, 201- welding, 202- package casing.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-4, the utility model is a kind of 12 main grid photovoltaic cell components, including cell piece 1, battery
12 main grids 101 are provided on piece 1, cell piece 1 connects to form battery pack along 101 direction of main grid, adjacent two electricity in battery pack
Attachment device 2 is welded between pond piece 1, battery pack is set side by side, and connects between adjacent two battery pack by locating adhesive tape, battery
Group both ends are connected with busbar 3；
Attachment device 2 includes that 12 root bead bands 201 and 202,12 root bead band 201 of package casing are equidistantly juxtaposed on envelope
On casing 202,201 both ends of welding extend respectively to the bottom and upper segment of 202 two sides of package casing, 12 root bead bands 201
It is welded respectively with 1 upper surface of a cell piece and another 1 lower surface of adjacent cell piece at both ends.
Wherein, welding 201 is arranged inside package casing 202 in " Z " shape, and welding 201 is the weldering that diameter is 0.04mm
Band 201 is copper core inside welding 201, and outer layer is tin layers, and package casing 202 is formed using thermoplastic package.
Wherein, the encapsulation spacing of adjacent two welding 201 is identical as 101 spacing of main grid on cell piece 1.
Wherein, battery pack upper surface is provided with the first EVA layer 4, and battery pack lower surface is provided with the second EVA layer 5.
Wherein, 4 upper surface of the first EVA layer is provided with glassy layer 6, and 5 lower surface of the second EVA layer is provided with isolation notacoria layer 7.
Wherein, glassy layer 6 and isolation 7 four side of notacoria layer are provided with outline border 8.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. a kind of 12 main grid photovoltaic cell components, including cell piece (1), 12 main grids are provided on the cell piece (1)
(101), it is characterised in that:
Several cell pieces (1) are connected to form battery pack along main grid (101) direction, adjacent two battery in the battery pack
It is welded between piece (1) attachment device (2), several battery packs are set side by side, by fixed between adjacent two battery pack
Position adhesive tape connection, the battery pack both ends are connected with busbar (3)；
The attachment device (2) includes 12 root bead bands (201) and package casing (202), and 12 weldings (201) are equidistant
It is juxtaposed on package casing (202), welding (201) both ends extend respectively to the upper of package casing (202) two sides
Side and following, 12 welding (201) both ends respectively with cell piece (1) upper surface and another adjacent cell piece
(1) lower surface is welded.
2. a kind of 12 main grid photovoltaic cell component according to claim 1, which is characterized in that the welding (201) exists
It is arranged inside package casing (202) in " Z " shape.
3. a kind of 12 main grid photovoltaic cell component according to claim 1, which is characterized in that adjacent two welding
(201) encapsulation spacing is identical as main grid (101) spacing on the cell piece (1).
4. a kind of 12 main grid photovoltaic cell component according to claim 1, which is characterized in that the battery pack upper surface
It is provided with the first EVA layer (4), the battery pack lower surface is provided with the second EVA layer (5).
5. a kind of 12 main grid photovoltaic cell component according to claim 4, which is characterized in that first EVA layer (4)
Upper surface is provided with glassy layer (6), and the second EVA layer (5) lower surface is provided with isolation notacoria layer (7).
6. a kind of 12 main grid photovoltaic cell component according to claim 5, which is characterized in that the glassy layer (6) and
Isolation (7) four side of notacoria layer is provided with outline border (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750274.2U CN209087875U (en) | 2018-10-27 | 2018-10-27 | A kind of 12 main grid photovoltaic cell components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750274.2U CN209087875U (en) | 2018-10-27 | 2018-10-27 | A kind of 12 main grid photovoltaic cell components |
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| Publication Number | Publication Date |
|---|---|
| CN209087875U true CN209087875U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821750274.2U Active CN209087875U (en) | 2018-10-27 | 2018-10-27 | A kind of 12 main grid photovoltaic cell components |
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| CN (1) | CN209087875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931602A (en) * | 2019-12-09 | 2020-03-27 | 常州时创能源科技有限公司 | Series connection method of solar cell strings |
-
2018
- 2018-10-27 CN CN201821750274.2U patent/CN209087875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931602A (en) * | 2019-12-09 | 2020-03-27 | 常州时创能源科技有限公司 | Series connection method of solar cell strings |
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