CN207834317U - Photovoltaic cell assembly with integrated circuit board - Google Patents
Photovoltaic cell assembly with integrated circuit board Download PDFInfo
- Publication number
- CN207834317U CN207834317U CN201820324971.5U CN201820324971U CN207834317U CN 207834317 U CN207834317 U CN 207834317U CN 201820324971 U CN201820324971 U CN 201820324971U CN 207834317 U CN207834317 U CN 207834317U
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- China
- Prior art keywords
- battery
- circuit board
- integrated circuit
- battery strings
- photovoltaic cell
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- 239000011159 matrix material Substances 0.000 claims abstract description 10
- 210000004027 cell Anatomy 0.000 claims description 32
- 210000003850 cellular structure Anatomy 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000003475 lamination Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005457 optimization Methods 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 discloses a photovoltaic cell subassembly with integrated circuit board, including the photovoltaic cell square matrix, the busbar and the diode setting of photovoltaic cell square matrix connection battery cluster are provided with a plurality of bypass diodes on the integrated circuit board and are parallelly connected with every battery cluster group one-to-one respectively on an integrated circuit board. The utility model discloses in used paster component and integrated circuit board, integrated or weld the bypass diode on integrated circuit board, need not carry out the welding of busbar when the subassembly stromatolite, only need to the interconnection strip welding of battery piece on integrated circuit board can, consequently in production stromatolite process, realization automatic equipment that can be convenient welds, removes the trouble of the artifical lead-out wire of bending from.
Description
Technical field
The utility model belongs to photovoltaic cell technical field, and in particular to a kind of photovoltaic cell group with integrated circuit board
Part.
Background technology
In the course of work of solar cell module, if there is shadow occlusion some or certain solar cells, meeting
Cause the output with the concatenated other batteries of shade battery that can all consume on the battery, this energy expenditure can lead to battery PN
The partial breakdown of knot, and cause hot-spot, here it is hot spot effects.Solar cell meets with due to hot spot effect in order to prevent
It being damaged, common solution is to install bypass diode additional on the basis of primary circuit, when light is not blocked, each two pole
Pipe is in reverse bias, and each battery is producing electricl energy.It can stop producing electricl energy when a battery is blocked, become a height
Valued resistor, while other batteries promote its reverse bias, lead to the diode current flow for connecting battery both ends, flow through and be blocked originally
The electric current of battery shunted by diode.
In the prior art, photovoltaic module includes solar cell array, and under normal circumstances, solar cell array includes
The inside connection of multiple battery strings groups, battery (includes the series connection and parallel connection of battery itself, including internal circuit and bypass diode
Design and connection) be generally attached using busbar, such mode be to need more busbars and cell piece into
Row connection, when the main gate line of cell piece increases either bypass diode quantity increase or some have the function of string optimization
Intelligent wiring box circuit connection when it is very troublesome.
As component the degree of automation is higher and higher, more above-mentioned busbars welding connection type lamination procedure very
The automatic assembly line for being unfavorable for automation equipment exploitation and producing line designs；Simultaneously because bypass diode connecing outside component
Inside wire box, so needing to draw more busbars, then extracted and the bypass two inside terminal box in production lamination process
Pole pipe is connected, when busbar is drawn, it is also necessary to carry out artificial bending to more busbars, manual alignment is inserted into terminal box
Human weld, the terminal box of this structure encapsulate wiring technique to artificial bending fitting bus terminal again again after the busbar hole in portion
It is difficult to exploitation is suitble to automation or semi-automatic work machine, it is that minority can not yet realize automation in photovoltaic component encapsulating technique
One of process of operation.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of photovoltaic cell component with integrated circuit board, subtracts
Few component stack process, is advantageously implemented automated production, improves component production efficiency, reduces component production cost.
The technical solution of the utility model is：A kind of photovoltaic cell component with integrated circuit board, including photovoltaic cell
Square formation, the photovoltaic battery matrix include the battery strings group of multiple serial or parallel connections, and the battery strings group includes a battery strings
Or at least two serial or parallel connection battery strings, the battery strings include multiple concatenated cell pieces, further include integrated circuit board
And multiple it is set to bypass diode in parallel with each battery strings group one-to-one correspondence on integrated circuit board and respectively, the collection
At being provided with the positive electrode lead-out wire pad being connected with terminal box and negative electrode lead-out wire pad on circuit board.
The utility model is pre-attached to integrated circuit board by the way of advance integrated circuit board, by bypass diode
On, bypass diode can be integrated in integrated circuit board (flexible or hardness) in the utility model, can also be welded on integrated
Circuit board surface, then that the bypass diode on integrated circuit board is corresponding with every group of battery pack in parallel, the utility model
Middle bypass diode is not set in terminal box, therefore technology difficulty when substantially reducing lamination, and can reduce component
Size.
In the utility model there are many structure types of photovoltaic battery array, preferably, each battery strings group includes two
A battery strings being arranged in series, the battery strings groups that m is arranged parallel form a battery string locations, n battery string location along
The length direction of battery strings is arranged parallel, and adjacent battery string location is connected in series with each other, and the integrated circuit board is located at phase
Between adjacent battery string location.It, can be in order to the side on integrated circuit board when integrated circuit board is between adjacent cell string location
Road diode and the parallel connection of corresponding battery strings group, improve production and processing efficiency.
Integrated circuit board is encapsulated among two layers of encapsulating material such as EVA, POE of component in the utility model, such to answer
With can be used for Normal back plate component, solar double-glass assemblies are can be used for.
Preferably, the n is 2, m 3.
Preferably, two battery strings groups connect to form a battery string location along the length direction of battery strings, it is multiple
Battery string location arranges and connects parallel, the both ends of the battery string location respectively with the battery string location of adjacent both sides
It is connected in series with.
Preferably, further including the terminal box being connected with photovoltaic battery matrix.
Preferably, m bypass diode, which is series on integrated circuit board, forms a bypass diode series circuit, two
A bypass diode series circuit parallel connection forms a bypass diode parallel circuit, the battery of the integrated circuit board and both sides
The corresponding position of string location is provided with the pad with the interconnecting strip welding cooperation in battery strings, the interconnecting strip in the battery strings
It is welded at pad to keep bypass diode in parallel with every group of battery strings group.This kind of connection type needs two terminal boxes.
N and m is the integer more than or equal to 1 in the utility model.
Preferably, the cell piece is half cell piece or 1/4 slice cell piece.
Compared with prior art, the beneficial effects of the utility model are embodied in：
(1) the utility model is a kind of photovoltaic module of the integrated circuit board with bypass diode function, the integrated electricity
Road plate can be used for the battery component of half cell piece component or arbitrary dimension, it can also be used to conventional full wafer cell piece component, example
Such as conventional half cell piece component, which has 6 bypass diodes, can be directly encapsulated into component
It portion can be effective relative to the technique that traditional 3 diodes inside terminal box need module production process to be welded
Protect cell piece when component is blocked with hot spot, improve component output power and generated energy, while greatly simplifying production work
Skill.
(2) for can only need 1 or 2 terminal boxes to be connect with integrated circuit board in the utility model, Er Qiejie
Diode need not be set inside wire box, and terminal box is mainly used for the lead-out wire of positive and negative electrode drawing as the positive and negative anodes of component
Go out cable connection to be used.
(3) surface mount elements and integrated circuit board have been used in the utility model, bypass diode is integrated or be welded in collection
At on circuit board, the welding of busbar need not be carried out in component stack, it is only necessary to which the interconnecting strip of cell piece is welded on
On integrated circuit board, therefore in production lamination process, it may be convenient to realize that automatic equipment welds, remove artificial bending from and draw
The trouble of outlet.
(4) the utility model can improve component output power 5w or more, moreover it is possible to improve the outdoor generating amount of component, simultaneously
Simplify production process, is conducive to mitigate operation labor intensity personnel, improves production capacity, stabilised quality, and automation easy to implement
Equipment, component facade is also more more attractive than traditional design, and the quality of half subassembly product is greatly improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the photovoltaic cell component of the prior art.
Fig. 2 is bypass diode integrated circuit connection structure schematic diagram in Fig. 1.
Fig. 3 is the structural schematic diagram of the first embodiment of the utility model.
Fig. 4 is bypass diode integrated circuit connection structure schematic diagram in Fig. 3.
Fig. 5 is the structural schematic diagram of second of embodiment of the utility model.
Fig. 6 is bypass diode integrated circuit connection structure schematic diagram in Fig. 5.
Fig. 7 is the structural schematic diagram of the third embodiment of the utility model.
Fig. 8 is bypass diode integrated circuit connection structure schematic diagram in Fig. 7.
Fig. 9 is the head diode connection diagram of the 4th kind of embodiment full wafer component of the utility model.
Figure 10 is head bypass diode integrated circuit connection structure schematic diagram in Fig. 9.
Specific implementation mode
As shown in Fig. 3~10, the utility model includes photovoltaic battery matrix, and photovoltaic battery matrix includes multiple series connection or simultaneously
The battery strings group 6 of connection, battery strings group 6 includes a battery strings or the battery strings of at least two serial or parallel connections, battery strings include
Multiple concatenated cell pieces, cell piece are half cell piece or 1/4 slice cell piece.The utility model further includes integrated circuit board
1 and multiple be set on integrated circuit board 1 and respectively with each battery strings group 6 correspond bypass diode 2 in parallel.This
It further include the terminal box (being not drawn into figure) being connected with photovoltaic battery matrix in utility model.
The utility model is pre-attached to integrated circuit board by the way of advance integrated circuit board 1, by bypass diode 2
On 1, bypass diode 2 can be integrated in integrated circuit board 1 (flexible or hardness) in the utility model, can also be welded on collection
It is then that the bypass diode 2 on integrated circuit board 1 is corresponding with every group of battery pack in parallel at 1 surface of circuit board, this practicality
Novel middle bypass diode 2 is not set in terminal box, therefore technology difficulty when substantially reducing lamination, and can be reduced
Size of components.
In the utility model there are many structure types of photovoltaic battery array, such as Fig. 1, Fig. 3, Fig. 5, Fig. 7 and Fig. 9 institute
Show, the utility model can also use the photovoltaic battery array in this kind of structure, and bypass diode is integrated or is welded in integrated
On circuit board, then again with battery series-parallel connection.
As shown in figure 3, each battery strings group 6 includes two battery strings being arranged in series, m parallel arrangements in the present embodiment
Battery strings group 6 form a battery string location 7, n battery string location 7 arrange parallel along the length direction of battery strings, and
Adjacent battery string location 7 is connected in series with each other, and between adjacent cell string location 7, wherein n and m are integrated circuit board 1
Integer more than or equal to 1.It, can be in order on integrated circuit board 1 when integrated circuit board 1 is between adjacent cell string location 7
Bypass diode 2 is in parallel with corresponding battery strings group 6, improves production and processing efficiency.Integrated circuit board 1 encapsulates in the utility model
Among two layers of encapsulating material such as EVA, POE of component, such application can be used for Normal back plate component, can be used for double
Glass component.
As shown in figure 4, m bypass diode 2 is series at one two pole of bypass of formation on integrated circuit board 1 in the present embodiment
2 series circuit of pipe, two 2 series circuit parallel connections of bypass diode form 2 parallel circuit of bypass diode, integrated circuit board
1 is provided with the pad with the interconnecting strip welding cooperation in battery strings, battery strings with the corresponding position of the battery string locations 7 of both sides
On interconnecting strip be welded at pad to keep bypass diode 2 in parallel with every group of battery strings group 6, be provided on integrated circuit board 1
The positive electrode lead-out wire pad and negative electrode lead-out wire pad being connected with terminal box.This kind of connection type needs two terminal boxes
.Under normal circumstances, n is 2, m 3 in the utility model.
In the utility model the arrangement mode of photovoltaic array also there are many, such as shown in figure 5, multiple electricity in the present embodiment
Pond string group 6 is connected, and each battery strings group 6 includes a battery strings or at least two concatenated battery strings, each battery strings include
Multiple concatenated half cell pieces.The corresponding bypass diode integrated circuit connection structure figure of the present embodiment is shown in Fig. 6.
As shown in fig. 7, two battery strings groups 6 connect to form a battery along the length direction of battery strings in the present embodiment
String location 7, multiple battery string locations 7 arrange and connect parallel, the both ends of battery string location 7 respectively with adjacent both sides
Battery string location 7 is connected in series with.The corresponding bypass diode integrated circuit connection structure figure of the present embodiment is shown in Fig. 8.
As shown in figure 9, Fig. 9 is conventional 60 full wafer battery components, header circuit can also use the utility model
Scheme, corresponding bypass diode integrated circuit connection structure figure are shown in Figure 10.
Claims (8)
1. a kind of photovoltaic cell component with integrated circuit board, including photovoltaic battery matrix, the photovoltaic battery matrix include
The battery strings group of multiple serial or parallel connections, the battery strings group include the battery of a battery strings or at least two serial or parallel connections
String, the battery strings include multiple concatenated cell pieces, which is characterized in that further include integrated circuit board and multiple be set to collection
At bypass diode in parallel with each battery strings group one-to-one correspondence on circuit board and respectively, it is provided on the integrated circuit board
The positive electrode lead-out wire pad and negative electrode lead-out wire pad being connected with terminal box.
2. photovoltaic cell component as described in claim 1, which is characterized in that each battery strings group includes two and is arranged in series
Battery strings, the battery strings groups that m is arranged parallel form a battery string locations, n battery string location along battery strings length
Direction is arranged parallel, and adjacent battery string location is connected in series with each other, and the integrated circuit board is located at adjacent cell string location
Between, wherein n and m are >=1 integer.
3. photovoltaic cell component as claimed in claim 2, which is characterized in that the n is 2, m 3.
4. photovoltaic cell component as described in claim 1, which is characterized in that two battery strings groups along battery strings length side
A battery string location is formed to series connection, multiple battery string locations are arranged and connected parallel, the battery string location
Both ends are connected in series with the battery string location of adjacent both sides respectively.
5. the photovoltaic cell component as described in Claims 1 to 4 is any, which is characterized in that further include and photovoltaic battery matrix phase
The terminal box of connection.
6. photovoltaic cell component as claimed in claim 5, which is characterized in that multiple bypass diodes are series at integrated circuit board
One bypass diode series circuit of upper formation, two bypass diode series circuit parallel connections form a bypass diode parallel connection
The corresponding position of the battery string location of circuit, the integrated circuit board and both sides is provided with welds with the interconnecting strip in battery strings
The pad of cooperation, the interconnecting strip in the battery strings are welded at pad to keep bypass diode in parallel with every group of battery strings group.
7. photovoltaic cell component as described in claim 1, which is characterized in that the cell piece is full wafer cell piece, half electricity
Pond piece or 1/4 slice cell piece.
8. photovoltaic cell component as described in claim 1, which is characterized in that the bypass diode is integrated or is welded in integrated
On circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820324971.5U CN207834317U (en) | 2018-03-09 | 2018-03-09 | Photovoltaic cell assembly with integrated circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820324971.5U CN207834317U (en) | 2018-03-09 | 2018-03-09 | Photovoltaic cell assembly with integrated circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834317U true CN207834317U (en) | 2018-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820324971.5U Active CN207834317U (en) | 2018-03-09 | 2018-03-09 | Photovoltaic cell assembly with integrated circuit board |
Country Status (1)
| Country | Link |
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| CN (1) | CN207834317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258065A (en) * | 2018-03-09 | 2018-07-06 | 天合光能股份有限公司 | Photovoltaic cell assembly with integrated circuit board |
| WO2020087677A1 (en) * | 2018-10-31 | 2020-05-07 | 珠海格力电器股份有限公司 | Photovoltaic assembly and photovoltaic power generation system |
-
2018
- 2018-03-09 CN CN201820324971.5U patent/CN207834317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258065A (en) * | 2018-03-09 | 2018-07-06 | 天合光能股份有限公司 | Photovoltaic cell assembly with integrated circuit board |
| WO2020087677A1 (en) * | 2018-10-31 | 2020-05-07 | 珠海格力电器股份有限公司 | Photovoltaic assembly and photovoltaic power generation system |
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