CN207993882U - A kind of interconnection architecture of photovoltaic cell component - Google Patents
A kind of interconnection architecture of photovoltaic cell component Download PDFInfo
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- CN207993882U CN207993882U CN201820590951.2U CN201820590951U CN207993882U CN 207993882 U CN207993882 U CN 207993882U CN 201820590951 U CN201820590951 U CN 201820590951U CN 207993882 U CN207993882 U CN 207993882U
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- Prior art keywords
- conductive
- adhesive layer
- conductive adhesive
- interconnection architecture
- electrode
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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 interconnection architecture of photovoltaic cell component, including cell piece and interconnection architecture, the upper and lower surface of the cell piece is printed with electrode, and interconnection architecture is respectively connected on the positive electrode and back electrode；The interconnection architecture includes conductive adhesive layer, connection welding belt and rigid conductive band, and the conductive adhesive layer is fixed on electrode, and the connection welding belt is movably set in conductive adhesive layer far from cell piece side, and the conduction blob of viscose is fixedly connected with conductive adhesive layer；Activity is inserted with conductive column in the vertical core, and described conductive column one end is movably connected on conductive blob of viscose, and conductive column is fixedly connected on far from conductive blob of viscose one end on connection welding belt.The interconnection architecture of the utility model can not only make conductive adhesive layer effectively colloid be avoided to flow, mitigate the waste situation of conducting resinl, and make connection welding belt good in conductive effect, can easily remove connection welding belt, practicability is very strong, highly promotes.
Description
Technical field
The utility model is related to photovoltaic cell interconnection technique field, specially a kind of mutual connection of photovoltaic cell component
Structure.
Background technology
With the increasingly depleted of oil gas non-renewable resources of the earth based on carbon, protium, solar cell can utilize it
The effect of photoproduction volt converts solar light to electric energy, has the characteristics that environmentally protective, inexhaustible, is the mankind
Substitute the important development direction of the conventional gas and oil energy.Solar cell generally can be divided into crystal silicon solar energy battery, the film sun
It can battery, dye-sensitized solar cells and organic solar batteries.By for many years technological progress and marketing compare into
Ripe, crystal silicon solar energy battery gradually occupies leading position in field of solar energy at present.
For improve crystal silicon solar energy battery photoelectric conversion efficiency, researcher it is expected reduce to the greatest extent solar cell by
The shielded area of smooth surface incident ray, for this purpose, back contact solar cell technological development comes out.Back contact solar cell technology
It is a kind of solar battery front side battery to be entered into cell backside so that battery plus-negative plate is in the battery of cell backside simultaneously
Technology realizes electrical connection after then being welded the positive electrode of all cell pieces using metal welding band.
To ensure the welding on backboard and the positive and negative very effective connection of cell piece, the China of Publication No. " CN102938432A "
Patent discloses a kind of preparation method of MWT solar modules, is printing asymmetric distribution just in MWT back of solar cell
Cathode contact electrode, and be sintered；Welding is respectively set on positive and negative contact electrode, welded processing makes welding be connect respectively with positive and negative
Touched electrode is connected, and is welded by welding and adjacent MWT solar cells are in series, and forms series welding cell piece；Each component is pressed
Glass, EVA, series welding cell piece, EVA and back veneer material being ranked sequentially and through being formed containing lamination, solidification and packaging process processing
MWT solar modules.This method is attached using welding manner, although can ensure MWT battery back side positive and negative electrode
Electrical connection, but since general welding temperature is at 300 DEG C or more, simultaneously because being welded on one side in cell piece, lead to battery
Piece positive back side moment generates huge thermal stress, leads to cell piece severe bends, or even causes cell piece is hidden to split and fragmentation, to make
Yield reduces, cost increase, and module encapsulation techniques use high-temperature soldering, the thickness of cell piece to reduce to general components technique
Fragment rate influence is very big, reduces cost to cell piece sheet and brings difficulty.
To solve the above-mentioned problems, in the prior art, application No. is the conducting resinl of " 201510357042.5 ", solar-electricities
Pond string and preparation method thereof, discloses a kind of conducting resinl, solar cell string and preparation method thereof, by the solder joint of welding
It is laid with conducting resinl, insulating materials, placing battery plate are then laid between solder joint, heating conducting resinl presses cell piece and weldering simultaneously
Band, obtains solar cell string, realizes the interconnection between cell piece, by using the conducting resinl of low-temperature setting realize by welding with
Battery contact part is effectively sticky, while it is with good electric conductivity, realizes the electrical of battery between back contact battery
Connection, and conducting resinl solidification temperature is relatively low, and generation thermal stress is smaller, is bent to effectively reduce solar battery sheet, is hidden
The ratio split and be crushed.
But the above-mentioned laying conducting resinl, carry out the structure of the interconnection between cell piece, however it remains more apparent to lack
It falls into：1, temperature appropriate is needed to heat conducting resinl, because not limiting the edge of conducting resinl so that conducting resinl is adding
Soften after heat, it may occur that software flows, and causes conducting resinl to cannot achieve the effect neatly docked in bonding process, also can
Cause the waste of conducting resinl；2, welding can not easily remove welding with after the completion of conductive glue connection, when a problem occurs,
Bad butt welding band carries out separating treatment, very troublesome.
Utility model content
The purpose of this utility model is to provide a kind of interconnection architectures of photovoltaic cell component, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：
A kind of interconnection architecture of photovoltaic cell component, including cell piece and interconnection architecture, the upper and lower table of the cell piece
Face is printed with electrode, and the electrode is divided into positive electrode and back electrode, the positive electrode with mutual be coupled is respectively connected on back electrode
Structure；
The interconnection architecture includes conductive adhesive layer, connection welding belt and rigid conductive band, and the conductive adhesive layer is fixed on electricity
On extremely, the connection welding belt is movably set in conductive adhesive layer far from cell piece side；
The rigid conductive band is fixedly installed on the both sides of conductive adhesive layer, offers vertical core in the rigid conductive band, institute
It is fluted close to the connection of cell piece one end to state vertical core, conductive blob of viscose, the conduction blob of viscose and conducting resinl are provided in the groove
Layer is fixedly connected；
Activity is inserted with conductive column in the vertical core, and described conductive column one end is movably connected on conductive blob of viscose, and conductive
Column is fixedly connected on far from conductive blob of viscose one end on connection welding belt.
Preferably, the connection welding belt offers mounting groove close to conductive adhesive layer side, is provided in the mounting groove solid
Determine block, the fixed block is fixedly connected with connecting pole close to conductive adhesive layer side, and the connecting pole is flexibly connected with conductive adhesive layer.
Compared with prior art, the utility model has the beneficial effects that：
1, when the utility model is used, since the edge of conductive adhesive layer is provided with rigid conductive band so that conductive adhesive layer
After the heating, it will not easily flow so that rigid conductive band is directly bonded on the electrode by conductive adhesive layer, Bu Huizao
At the waste of conducting resinl, so that the neat docking effect of conductive adhesive layer is more preferable；
2, the connection welding belt of the utility model is directly plugged on by conductive column on rigid conductive band, and connection effect is more preferable,
And can be by the way that conductive column be taken out method so that connection welding belt can be very good to be detached so that welding can be into
Row recycling and trimming, it is very convenient.
The interconnection architecture of the utility model can not only make conductive adhesive layer effectively colloid be avoided to flow, and mitigate conducting resinl
Situation is wasted, and makes connection welding belt good in conductive effect, can easily be removed connection welding belt, it is practical
Property is very strong, highly promotes.
Description of the drawings
Fig. 1 is cell piece interconnection architecture schematic diagram in the prior art；
Fig. 2 interconnects schematic diagram between cell piece in the prior art；
Fig. 3 is the cell piece positive electrode interconnection architecture schematic diagram of the utility model；
Fig. 4 is the cell back interconnection structure schematic diagram of the utility model；
Fig. 5 interconnects schematic diagram between the cell piece of the utility model；
Fig. 6 is the interconnection architecture schematic internal view of the utility model；
Fig. 7 is the A plot structure enlarged diagrams of the utility model；
Fig. 8 is the B plot structure enlarged diagrams of the utility model.
In figure：1 cell piece, 2 positive electrodes, 3 back electrodes, 4 conductive adhesive layers, 41 conductive blob of viscoses, 5 connection welding belts, 51 mounting grooves,
52 fixed blocks, 53 connecting poles, 6 rigid conductive bands, 61 vertical cores, 62 grooves, 63 conductive columns.
Specific implementation mode
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 making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 8 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of interconnection architecture of photovoltaic cell component, including cell piece 1 and interconnection architecture, the upper and lower surface of cell piece 1
It is printed with electrode, electrode is divided into positive electrode 2 and back electrode 3, is respectively connected with interconnection architecture on positive electrode 2 and back electrode 3, such as says
Shown in bright book attached drawing 3, interconnection architecture is connected on positive electrode 2, and as shown in Figure of description 4, interconnection architecture is connected to back electrode 3
On, it is respectively connected with interconnection architecture, and the connection type between adjacent cell piece 1 on the positive electrode 2 and back electrode 3 of each cell piece 1,
As shown in Figure of description 5, using the interconnection architecture on positive electrode 2 and the interconnection architecture phase on the back electrode 3 of adjacent cell piece 1
The mode of connection.
As shown in Figure of description 6, interconnection architecture includes conductive adhesive layer 4, connection welding belt 5 and rigid conductive band 6, conduction
Glue-line 4 is fixed on electrode, by heat temperature raising so that there is conductive adhesive layer 4 viscosity, rigid conductive band 6 to be fixedly installed on conduction
The both sides of glue-line 4 are fixed rigid conductive band 6 on the electrode by conductive adhesive layer 4, and the rigid conductive band 6 of both sides is to conducting resinl
Layer 4 is limited, and as shown in Figure of description 7, vertical core 61 is offered in rigid conductive band 6, vertical core 61 is close to 1 one end of cell piece
Fluted 62 are connected, conductive blob of viscose 41 is provided in groove 62, conductive blob of viscose 41 is fixedly connected with conductive adhesive layer 4, conductive blob of viscose
The 41 glue-line blocks being integrally formed with conductive adhesive layer 4, conductive blob of viscose 41 primarily serve the work that is adhesively fixed to rigid conductive band 6
With.
Activity is inserted with conductive column 63 in vertical core 61, and 63 one end of conductive column is movably connected on conductive blob of viscose 41, and conductive
Column 63 is fixedly connected on far from 41 one end of conductive blob of viscose on connection welding belt 5, and it is separate that connection welding belt 5 is movably set in conductive adhesive layer 4
1 side of cell piece, connection welding belt 5 is not direct to be connect with conductive adhesive layer 4, and effect is conductively connected by conductive column 63 so that even
Conductive drainage can be carried out by connecing welding 5, also allow for removing for connection welding belt 5.
Preferably as one, as shown in Figure of description 7, conductive drainage is carried out to electrode for the ease of connection welding belt 5,
Connection welding belt 5 offers mounting groove 51 close to 4 side of conductive adhesive layer, and fixed block 52 is provided in mounting groove 51, and fixed block 52 leans on
Nearly 4 side of conductive adhesive layer is fixedly connected with connecting pole 53, and connecting pole 53 is flexibly connected with conductive adhesive layer 4, and tie point is more more equal
It is even so that the drainage effect between connection welding belt 5 and conductive adhesive layer 4 is more preferable.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of interconnection architecture of photovoltaic cell component, including cell piece (1) and interconnection architecture, the cell piece (1) it is upper,
Lower surface is printed with electrode, and the electrode is divided into positive electrode (2) and back electrode (3), it is characterised in that：The positive electrode (2)
It is respectively connected with interconnection architecture on back electrode (3)；
The interconnection architecture includes conductive adhesive layer (4), connection welding belt (5) and rigid conductive band (6), the conductive adhesive layer (4)
It is fixed on electrode, the connection welding belt (5) is movably set in conductive adhesive layer (4) far from cell piece (1) side；
The rigid conductive band (6) is fixedly installed on the both sides of conductive adhesive layer (4), is offered in the rigid conductive band (6) perpendicular
Hole (61), the vertical core (61) connect fluted (62) close to cell piece (1) one end, and conducting resinl is provided in the groove (62)
Block (41), the conduction blob of viscose (41) are fixedly connected with conductive adhesive layer (4)；
Activity is inserted with conductive column (63) in the vertical core (61), and described conductive column (63) one end is movably connected on conductive blob of viscose
(41) on, and conductive column (63) is fixedly connected on far from conductive blob of viscose (41) one end on connection welding belt (5).
2. a kind of interconnection architecture of photovoltaic cell component according to claim 1, it is characterised in that：The connection welding belt
(5) mounting groove (51) is offered close to conductive adhesive layer (4) side, fixed block (52) is provided in the mounting groove (51), it is described
Fixed block (52) is fixedly connected with connecting pole (53), the connecting pole (53) and conductive adhesive layer (4) close to conductive adhesive layer (4) side
Flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590951.2U CN207993882U (en) | 2018-04-24 | 2018-04-24 | A kind of interconnection architecture of photovoltaic cell component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590951.2U CN207993882U (en) | 2018-04-24 | 2018-04-24 | A kind of interconnection architecture of photovoltaic cell component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993882U true CN207993882U (en) | 2018-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820590951.2U Withdrawn - After Issue CN207993882U (en) | 2018-04-24 | 2018-04-24 | A kind of interconnection architecture of photovoltaic cell component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447157A (en) * | 2022-01-28 | 2022-05-06 | 通威太阳能（合肥）有限公司 | Method for gluing and welding strips of solar cell |
| CN108365043B (en) * | 2018-04-24 | 2023-09-22 | 通威太阳能（合肥）有限公司 | Interconnection structure of photovoltaic cell piece subassembly |
-
2018
- 2018-04-24 CN CN201820590951.2U patent/CN207993882U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365043B (en) * | 2018-04-24 | 2023-09-22 | 通威太阳能（合肥）有限公司 | Interconnection structure of photovoltaic cell piece subassembly |
| CN114447157A (en) * | 2022-01-28 | 2022-05-06 | 通威太阳能（合肥）有限公司 | Method for gluing and welding strips of solar cell |
| CN114447157B (en) * | 2022-01-28 | 2023-12-15 | 通威太阳能（合肥）有限公司 | Adhesive tape welding method for solar cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181019 Effective date of abandoning: 20230922 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181019 Effective date of abandoning: 20230922 |