CN107863414A - A kind of connection method of photovoltaic module busbar - Google Patents
A kind of connection method of photovoltaic module busbar Download PDFInfo
- Publication number
- CN107863414A CN107863414A CN201710898900.6A CN201710898900A CN107863414A CN 107863414 A CN107863414 A CN 107863414A CN 201710898900 A CN201710898900 A CN 201710898900A CN 107863414 A CN107863414 A CN 107863414A
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- Prior art keywords
- busbar
- short
- long
- cell piece
- photovoltaic module
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000011810 insulating material Substances 0.000 claims abstract description 22
- 238000003475 lamination Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 19
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 17
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000003694 hair properties Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
- H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of connection method of photovoltaic module busbar, comprise the following steps：(1) cell piece, mutually associated and busbar are chosen, mutually associated to be arranged in the main gate line and back electrode of cell piece, busbar is located at the lower section of cell piece, and busbar includes long busbar and short busbar；(2) cell piece is in series using mutually associated, forms cell piece group；(3) two long busbars are respectively adopted mutual on the cell piece of head and the tail both ends in cell piece group associated be connected and each drawn, obtain two long busbar lead-out wire, two short busbars are respectively adopted mutual on remaining power piece associated be connected and each drawn, obtain two short busbar lead-out wire, the long busbar of two of which and two short busbars are not in contact, and the long busbar lead-out wire opening position that is in contact with short busbar is provided with insulating materials；(4) through including the conventional steps of lamination, photovoltaic module is made.This method simplified operation, improve production efficiency, save production cost.
Description
Technical field
The invention belongs to technical field of solar batteries, and in particular to a kind of connection method of photovoltaic module busbar.
Background technology
At present, many Photovoltaics Com Inc. are when carrying out the lamination of photovoltaic module, by the way of long and short busbar is overlapped using face,
I.e. long busbar is arranged on the upper surface of short busbar, for avoid long and short busbar from contacting and caused by short circuit, it is necessary in Chang Hui
Insulating materials is provided between stream bar and short busbar, such as the small filler strips of ethylene-vinyl acetate copolymer EVA and hair property polyethylene EPE
Deng, therefore, need to use large-size the small filler strips of ethylene-vinyl acetate copolymer EVA and hair property polyethylene EPE, Material Cost
It is higher.
The content of the invention
It is an object of the invention to provide a kind of connection method of photovoltaic module busbar, the connection method can simplify behaviour
Make, improve production efficiency, save production cost.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：A kind of connection of photovoltaic module busbar
Method, comprise the following steps：
(1) cell piece, mutually associated and busbar are chosen, wherein the mutually associated main gate line for being arranged on the cell piece and back of the body electricity
On extremely, the busbar is located at the lower section of the cell piece, and the busbar includes long busbar and short busbar；
(2) cell piece is in series using mutually associated, forms cell piece group；
(3) two long busbars are respectively adopted mutual on the cell piece of head and the tail both ends in cell piece group associated is connected and each
From extraction, two long busbar lead-out wire is obtained, two short busbars is respectively adopted mutual on remaining power piece associated is connected
And each draw, two short busbar lead-out wire is obtained, the long busbar of two of which and two short busbars are not in contact, the length
The busbar lead-out wire opening position that is in contact with the short busbar is provided with insulating materials；
(4) through including the conventional steps of lamination, photovoltaic module is made.
In the connection method of above-mentioned photovoltaic module busbar：
As a kind of preferred embodiment of the present invention, long busbar described in step (3) of the present invention is positioned at described short
The lower section of busbar, length exceedes the long busbar part of the short bus bar length to the cell piece in the long busbar
Edge direction is provided with bending.
Further, long busbar described in step (3) of the present invention is located at 1.5~2.5mm of lower section of the short busbar,
Length is provided with more than the long busbar part of the short bus bar length to the cell piece edge direction in the long busbar
Bending, the long busbar part after bending are on same straight line with the short busbar.
The long busbar is located at 1.5~2.5mm of lower section of the short busbar, in the range of component creep age distance, symbol
Close the standard of electric insulation.
Be so designed that, it is necessary to by long busbar exceed short busbar part to the bending of cell piece edge direction accordingly away from
From the mutual associated length on the long busbar part after bending keeps constant.
As another preferred embodiment of the present invention, long busbar described in step (3) of the present invention is positioned at described
The lower section of short busbar and setting parallel with the short busbar..
Further, long busbar described in step (3) of the present invention is located at 1.5~2.5mm of lower section of the short busbar
And setting parallel with the short busbar, the mutual associated length increase on the cell piece of the long busbar connection
1.5~2.5mm.
The long busbar is located at 1.5~2.5mm of lower section of the short busbar, in the range of component creep age distance, symbol
Close the standard of electric insulation.
It is so designed that, without by long busbar bending, it is only necessary to which the mutual associated length on cell piece is increased into phase
The distance answered, in component stack, what is had more is mutual associated, equipment can be used to carry out automatic cutting.
It is mutually associated using being welded on by the way of welding on the upper surface of the busbar in the present invention, for example described be located at
Interconnection welding on the cell piece at cell piece group both ends is in the upper surface of the long busbar, the electricity among cell piece group
Interconnection welding on the piece of pond is in the upper surface of the short busbar.
Using the above two design method in the present invention, long busbar and short busbar can be made not to contact with each other, only
The place for needing to contact with short busbar in long busbar lead-out wire sets insulating materials such as EVA and EPE, without in whole piece
Insulating materials is set between long busbar and short busbar, and the contact between long busbar and short busbar is switched to a little by face contact
Contact, insulating surfaces significantly reduce, and the usage amount of insulating materials is also greatly lowered.
So the small filler strips of EVA and EPE size, only need to play buffer action in long busbar and short busbar coincidence point
Size.
Insulating materials described in step (3) of the present invention includes ethylene-vinyl acetate copolymer EVA filler strips and expandability gathers
Ethene EPE.
The width of convergent belt described in step (1) of the present invention is preferably 4~5mm.Electric requirement could so be met.
Compared with prior art, the present invention has the advantages that：Using the connection method of the busbar in the present invention,
Long busbar and short busbar do not contact with each other, it is only necessary to are set in the place that long busbar lead-out wire contacts with short busbar exhausted
Edge material such as EVA and EPE, without setting insulating materials between the long busbar of whole piece and short busbar, long busbar with
Contact between short busbar switchs to a contact by face contact, and insulating surfaces significantly reduce, and the usage amount of insulating materials is also significantly
Degree reduces, and therefore, using the connection method in the present invention, simplified operation, improves production efficiency, saves production cost.
Brief description of the drawings
Fig. 1 is the connection method of the photovoltaic module busbar in the embodiment of the present invention 1；
Fig. 2 is the connection method of the photovoltaic module busbar in the embodiment of the present invention 2；
Brief description of the drawings：Wherein 1 is cell piece, and 2 is mutually associated, and 3 be busbar, and 4 be long busbar, and 5 be short busbar, 6
It is short busbar lead-out wire for long busbar lead-out wire, 7,8 be insulating materials, and 9 be bending.
Embodiment
Embodiment 1
A kind of connection method of photovoltaic module busbar is present embodiments provided, is comprised the following steps：
(1) cell piece 1, mutually associated 2 and busbar 3 are chosen, wherein mutual associated 2 are arranged on the main gate line and the back of the body of cell piece 1
On electrode, busbar 3 is located at the lower section of cell piece 1, and busbar 3 includes long busbar 4 and short busbar 5；
(2) using mutually associated 2 cell piece 1 being in series, cell piece group is formed；
(3) two long busbar 4 is respectively adopted by mutual associated 2 being connected simultaneously on the cell piece of head and the tail both ends in cell piece group
Each draw, obtain two long busbar lead-out wire 6, two short busbar 5 is respectively adopted by mutual associated 2 phase on remaining power piece
Connect and each draw, obtain two short busbar lead-out wire 7, the long busbar 4 of two of which and two short busbar 5 do not connect
Touch, long busbar lead-out wire 7 opening position that is in contact with short busbar 5 is provided with insulating materials 8；
(4) through including the conventional steps of lamination, photovoltaic module is made.
As shown in figure 1, long busbar 4 is located at the lower section of short busbar 5 in step (3) (i.e. away from cell piece edge direction)
2mm, length exceedes the long busbar part of the short length of busbar 5 and is provided with bending 9 to cell piece edge direction in long busbar 4,
Long busbar part after bending is on same straight line with short busbar 5.
Be so designed that, it is necessary to by long busbar exceed short busbar part to the bending of cell piece edge direction accordingly away from
From the mutual associated length on the long busbar after bending keeps constant.
Lamination for the ease of cell piece etc., preferably, the two long 4 symmetrical distribution of busbar in step (3), two
The also symmetrical distribution of short busbar 5, two long 6 symmetrical distribution of busbar lead-out wire, two short busbar lead-out wire 7 are also relative
Claim distribution.
Insulating materials includes ethylene-vinyl acetate copolymer EVA filler strips and expandability polyethylene EPE in step (3).
The width of convergent belt is 4~5mm in step (1).
Wherein associated 2 it can be mutually welded on by the way of welding on the upper surface of busbar 3, positioned at cell piece group head and the tail two
Mutual associated 2 on end-cell piece are welded on the upper surface of long busbar 4, and mutual associated 2 on cell piece group intermediate cell piece
It is welded on the upper surface of short busbar 5.
Using this design method in the present invention, long busbar and short busbar can be made not to contact with each other, it is only necessary to
Insulating materials such as EVA and EPE are set in the place that long busbar lead-out wire is in contact with short busbar, without being grown in whole piece
Insulating materials is set between busbar and short busbar, and the contact between long busbar and short busbar is switched to a little connect by face contact
Touch, insulating surfaces significantly reduce, and the usage amount of insulating materials is also greatly lowered.Can also simplify operation, improve production efficiency,
Save production cost.
Embodiment 2
The connection method for the photovoltaic module busbar that the present embodiment provides, comprises the following steps：
(1) cell piece 1, mutually associated 2 and busbar 3 are chosen, wherein mutual associated 2 are arranged on the main gate line and the back of the body of cell piece 1
On electrode, busbar 3 is located at the lower section of cell piece 1 and with mutually associated 2 being connected, and busbar 3 includes long busbar 4 and short confluxed
Bar 5；
(2) using mutually associated 2 cell piece 1 being in series, cell piece group is formed；
(3) two long busbar 4 is respectively adopted by mutual associated 2 being connected simultaneously on the cell piece of head and the tail both ends in cell piece group
Each draw, obtain two long busbar lead-out wire 6, two short busbar 5 is respectively adopted by mutual associated 2 phase on remaining power piece
Connect and each draw, obtain two short busbar lead-out wire 7, the long busbar 4 of two of which and two short busbar 5 do not connect
Touch, long busbar lead-out wire 7 opening position that is in contact with short busbar 5 is provided with insulating materials 8；
(4) through including the conventional steps of lamination, photovoltaic module is made.
As shown in Fig. 2 long busbar 4 is located at the lower section 2mm of short busbar 5 and parallel with short busbar in step (3)
Set.
Mutual associated 2 length increase 2mm on the cell piece that long busbar 4 connects.
It is so designed that, without by long busbar bending, it is only necessary to mutual associated 2 on the cell piece for connecting long busbar 4
Length increase respective distance.
Insulating materials includes ethylene-vinyl acetate copolymer EVA filler strips and expandability polyethylene EPE in step (3).
The width of convergent belt is 4~5mm in step (1).
Wherein associated 2 it can be mutually welded on by the way of welding on the upper surface of busbar 3, positioned at cell piece group head and the tail two
Mutual associated 2 on end-cell piece are welded on the upper surface of long busbar 4, and mutual associated 2 on cell piece group intermediate cell piece
It is welded on the upper surface of short busbar 5.
Using this design method in the present invention, long busbar and short busbar can be made not to contact with each other, it is only necessary to
Insulating materials such as EVA and EPE are set in the place that long busbar lead-out wire is in contact with short busbar, without being grown in whole piece
Insulating materials is set between busbar and short busbar, and the contact between long busbar and short busbar is switched to a little connect by face contact
Touch, insulating surfaces significantly reduce, and the usage amount of insulating materials is also greatly lowered.Can also simplify operation, improve production efficiency,
Save production cost.
Embodiment 3
As different from Example 1, long busbar 4 is located at the lower section 1.5mm of short busbar 5, long busbar in step (3)
Length is provided with bending more than the long busbar part of the short length of busbar 5 to cell piece edge direction in 4, and the length after bending is confluxed
Bar part is on same straight line with short busbar.
Embodiment 4
As different from Example 1, as different from Example 1, long busbar 4 is located at short busbar 5 in step (3)
Lower section 2.5mm, length exceedes the long busbar part of the short length of busbar 5 and is provided with to cell piece edge direction in long busbar 4
Bending, the long busbar part after bending are on same straight line with short busbar.
Embodiment 5
As different from Example 2, in step (3) long busbar 4 be located at short busbar 5 lower section 1.5mm and with short remittance
5 parallel setting of bar is flowed, mutual associated 2 length on cell piece that long busbar 4 connects increases 1.5mm.
Embodiment 6
As different from Example 2, in step (3) long busbar 4 be located at short busbar 5 lower section 2.5mm and with short remittance
5 parallel setting of bar is flowed, mutual associated 2 length on cell piece that long busbar 4 connects increases 2.5mm.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (7)
- A kind of 1. connection method of photovoltaic module busbar, it is characterized in that comprising the following steps：(1) cell piece, mutually associated and busbar are chosen, wherein the mutually associated main gate line and back electrode for being arranged on the cell piece On, the busbar is located at the lower section of the cell piece, and the busbar includes long busbar and short busbar；(2) cell piece is in series using mutually associated, forms cell piece group；(3) two long busbars are respectively adopted mutual on the cell piece of head and the tail both ends in cell piece group associated be connected and each drawn Go out, obtain two long busbar lead-out wire, two short busbars are respectively adopted mutual on remaining power piece associated is connected and each From extraction, two short busbar lead-out wire is obtained, the long busbar of two of which and two short busbars are not in contact, and the length is confluxed The bar lead-out wire opening position that is in contact with the short busbar is provided with insulating materials；(4) through including the conventional steps of lamination, photovoltaic module is made.
- 2. the connection method of photovoltaic module busbar according to claim 1, it is characterized in that：It is long described in step (3) Busbar is located at the lower section of the short busbar, and length exceedes the long busbar of the short bus bar length in the long busbar Part is provided with bending to the cell piece edge direction.
- 3. the connection method of photovoltaic module busbar according to claim 2, it is characterized in that：It is long described in step (3) Busbar is located at 1.5~2.5mm of lower section of the short busbar, and length exceedes the short bus bar length in the long busbar Long busbar part be provided with bending, long busbar part after bending and the short busbar to the cell piece edge direction On same straight line.
- 4. the connection method of photovoltaic module busbar according to claim 1, it is characterized in that：It is long described in step (3) Busbar is located at the lower section of the short busbar and setting parallel with the short busbar.
- 5. the connection method of photovoltaic module busbar according to claim 4, it is characterized in that：It is long described in step (3) Busbar is located at 1.5~2.5mm of lower section of the short busbar and setting parallel with the short busbar, the long busbar Mutual associated length on the cell piece of connection increases by 1.5~2.5mm.
- 6. the connection method of the photovoltaic module busbar according to claim any one of 1-5, it is characterized in that：Step (3) Described in insulating materials include ethylene-vinyl acetate copolymer EVA filler strips and expandability polyethylene EPE.
- 7. the connection method of the photovoltaic module busbar according to claim any one of 1-5, it is characterized in that：Step (1) Described in the width of busbar be 4~5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898900.6A CN107863414A (en) | 2017-09-28 | 2017-09-28 | A kind of connection method of photovoltaic module busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898900.6A CN107863414A (en) | 2017-09-28 | 2017-09-28 | A kind of connection method of photovoltaic module busbar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107863414A true CN107863414A (en) | 2018-03-30 |
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ID=61699602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898900.6A Pending CN107863414A (en) | 2017-09-28 | 2017-09-28 | A kind of connection method of photovoltaic module busbar |
Country Status (1)
| Country | Link |
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| CN (1) | CN107863414A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201036230Y (en) * | 2007-05-16 | 2008-03-12 | 保定天威英利新能源有限公司 | Photovoltaic component structure and solar cell panel using the said photovoltaic component structure |
| CN201655820U (en) * | 2010-04-20 | 2010-11-24 | 常州天合光能有限公司 | Circuit overlap structure of photovoltaic assembly |
| CN102769061A (en) * | 2012-08-08 | 2012-11-07 | 英利能源（中国）有限公司 | Current-collecting strip lead terminal of photovoltaic module and insulating treatment method of current-collecting strip lead terminal |
-
2017
- 2017-09-28 CN CN201710898900.6A patent/CN107863414A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201036230Y (en) * | 2007-05-16 | 2008-03-12 | 保定天威英利新能源有限公司 | Photovoltaic component structure and solar cell panel using the said photovoltaic component structure |
| CN201655820U (en) * | 2010-04-20 | 2010-11-24 | 常州天合光能有限公司 | Circuit overlap structure of photovoltaic assembly |
| CN102769061A (en) * | 2012-08-08 | 2012-11-07 | 英利能源（中国）有限公司 | Current-collecting strip lead terminal of photovoltaic module and insulating treatment method of current-collecting strip lead terminal |
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Application publication date: 20180330 |