CN110379879A - A kind of welding component and photovoltaic module for photovoltaic module - Google Patents
A kind of welding component and photovoltaic module for photovoltaic module Download PDFInfo
- Publication number
- CN110379879A CN110379879A CN201910698786.1A CN201910698786A CN110379879A CN 110379879 A CN110379879 A CN 110379879A CN 201910698786 A CN201910698786 A CN 201910698786A CN 110379879 A CN110379879 A CN 110379879A
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- Prior art keywords
- connecting portion
- photovoltaic module
- welding component
- cell piece
- conducting wire
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- 238000003466 welding Methods 0.000 title claims abstract description 63
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect 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
- H01L31/04—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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of welding components and photovoltaic module for photovoltaic module, photovoltaic module includes multiple cell pieces, pass through the connection of welding component described in one group between cell piece described in each adjacent two, under the photovoltaic module use state schematic, the cell piece has the front being arranged upward and the back side being arranged downward, the welding component includes first connecting portion, or the welding component includes second connecting portion, or the welding component includes the first connecting portion and the second connecting portion, the first connecting portion is connect with the front of the cell piece, the second connecting portion is connect with the back side of the cell piece, the first connecting portion is different with the second connecting portion.The welding component can be according to the performance requirement of the front and back to cell piece, the first connecting portion connected from cell piece front and the second connecting portion connecting with the cell piece back side are arranged to different forms, to promote the performance of photovoltaic module and reduce waste of material.
Description
Technical field
The present invention relates to cell manufacturing techniques fields, and in particular to a kind of welding component and photovoltaic group for photovoltaic module
Part.
Background technique
Photovoltaic module is generally formed by multiple cell piece sequential series, in the prior art, forms each of photovoltaic module
For cell piece when being connected in series, each cell piece is face-up to be arranged, then will be two neighboring by welding component
Cell piece is connected in series, and when welding connects two neighboring cell piece, the one end of welding is welded on a cell piece
The other end in front, the welding is welded on the back side of another cell piece, when the both ends of welding are connect with welding of battery film,
It is required that welding both ends will follow stringent corresponding relationship in shape, position, quantity, this will lead to a degree of performance damage
It becomes estranged waste of material.
Summary of the invention
The purpose of the present invention is being directed to the problems of the prior art, a kind of improved welding group for photovoltaic module is provided
Part.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of welding component for photovoltaic module, photovoltaic module include multiple cell pieces, cell piece described in each adjacent two it
Between by the connection of welding component described in one group, under the photovoltaic module use state schematic, the cell piece has to be arranged upward
Front and the back side that is arranged downward, the welding component includes first connecting portion or the welding component includes second connecting
Socket part or the welding component include the first connecting portion and the second connecting portion, the first connecting portion with it is described
The front connection of cell piece, the second connecting portion connect with the back side of the cell piece, the first connecting portion and described the
Two interconnecting pieces are different.
Preferably, under the photovoltaic module use state schematic, each cell piece anode is upward, cathode is towards dividing into
It sets, welding component described in every group includes the first connecting portion and the second connecting portion.
Further, the first connecting portion and the second connecting portion are directly connected to.
Further, the first connecting portion includes more first conducting wires, and the second connecting portion includes more second
Conducting wire, first conducting wire is identical with the quantity of second conducting wire, and first conducting wire and second conducting wire are in difference
The cell piece on link position it is corresponding.
Further, the first connecting portion and the second connecting portion are attached by switching part.
Further, the first connecting portion includes more first conducting wires, and the second connecting portion includes more second
The quantity of conducting wire, first conducting wire and second conducting wire is identical or different and/or first conducting wire and described second is led
Link position of the line on the different cell pieces is corresponding or different.
Further, the first connecting portion includes more first conducting wires, and the second connecting portion is described to be covered on
The metal conductive film at the back side of cell piece.
A kind of specific embodiment, the metal conductive film cover whole back sides of the cell piece.
Preferably, under the photovoltaic module use state schematic, the anode of the part cell piece is arranged upward, remainder
The cathode of the cell piece is arranged upward, the same side of plane where welding component described in every group is respectively positioned on photovoltaic module, and every group
The welding component includes that welding component described in two first connecting portions or every group includes two second companies
Socket part.Further, the first connecting portion includes more first conducting wires, and the second connecting portion includes more second conducting wires,
The quantity of first conducting wire and second conducting wire is identical or different and/or first conducting wire and second conducting wire exist
Link position on the different cell pieces is corresponding or different.
Preferably, the first connecting portion includes more first conducting wires, and the second connecting portion includes more second conducting wires,
The cross section of first conducting wire is circle, triangle, ellipse or zigzag, and the cross section of second conducting wire is rectangle.
The present invention also provides a kind of photovoltaic module, the photovoltaic module includes welding component as described in any one of the above embodiments.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: welding of the invention
Component can according to the performance requirement of the front and back to cell piece, by the first connecting portion being connect with cell piece front and with electricity
The second connecting portion of pond piece back side connection is arranged to different forms, to promote the performance of photovoltaic module and reduce material wave
Take.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram (embodiment 1) of photovoltaic module of the invention；
Attached drawing 2 is the structural schematic diagram (embodiment 2) of photovoltaic module of the invention；
Attached drawing 3 is the structural schematic diagram (embodiment 3) of photovoltaic module of the invention.
Specific embodiment
Technical solution of the present invention is further elaborated below.
As shown in Fig. 1 ~ Fig. 3, photovoltaic module of the invention includes multiple cell pieces 1, between each adjacent two cell piece 1
It is connected by one group of welding component, under photovoltaic module use state schematic, cell piece 1 has the front being arranged upward and is arranged downward
The back side.
Every group of welding component includes first connecting portion 21 or every group of welding component includes second connecting portion 22, or
Every group of welding component of person includes simultaneously first connecting portion 21 and second connecting portion 22, the front of first connecting portion 21 and cell piece 1
Connection, second connecting portion 22 are connect with the back side of cell piece 1.First connecting portion 21 and second connecting portion 22 can be according to cell pieces
The performance requirement of 1 front and back uses different forms.
The form difference can be different for structure type, for example, require preferable reflective to the front of cell piece
Can, this needs keeps the first connecting portion 21 connecting with the front of cell piece 1 less to blocking for cell piece 1, therefore, the first connection
Settable relatively thin in portion 21, to guarantee that weld strength and electric conductivity, the height of first connecting portion 21 are relatively high.To electricity
The reflective function requirement at the back side of pond piece 1 is relatively low, and therefore, the second connecting portion 22 connecting with the back side of cell piece 1 can be set
That sets is relatively wide, influences weld strength to reduce stress concentration, the height of second connecting portion 22 is relatively low.First connection
Portion 21 includes more first conducting wires, and second connecting portion 22 includes more second conducting wires, the cross section of the first conducting wire can be used it is round,
The forms such as the abnormal shape that triangle, ellipse, zigzag or width change according to weld locations, with guarantee first connecting portion 21 with
Effective contact of cell piece 1 guarantees electric conductivity, while reducing first connecting portion 21 and blocking to the positive of cell piece 1, to mention
Rise the reflective function of cell piece 1.Wider rectangle can be used in the cross section of second conducting wire, to guarantee better electric conductivity and connect
Touch performance.
Above-mentioned form difference may be the quantity difference or the first conducting wire and second of the first conducting wire and the second conducting wire
Link position of the conducting wire on different cell pieces 1 is different, or simultaneously includes above-mentioned a variety of different set-up modes, such as the
The structure of one conducting wire and the second conducting wire, quantity and equal difference in position on different cell pieces 1 etc..
Embodiment 1
As shown in Figure 1, in the present embodiment, under photovoltaic module use state schematic, each cell piece 1 anode is upward, cathode is towards dividing into
It sets, every group of welding component includes first connecting portion 21 and second connecting portion 22 simultaneously, and first connecting portion 21 is adjacent for connecting
The front of a cell piece 1 in two cell pieces 1, second connecting portion 22 are another in two adjacent cell pieces 1 for connecting
The back side of one cell piece 1.
In the present embodiment, first connecting portion 21 and second connecting portion 22 are directly connected to, and this requires the first conducting wires and
The quantity of two conducting wires is identical, and the link position on the different cell piece 1 of each leisure is corresponding, but the first conducting wire and the second conducting wire
Different structure type can be used according to the performance requirement of the front and back to cell piece 1.
Embodiment 2
As shown in Fig. 2, in the present embodiment, under photovoltaic module use state schematic, each cell piece 1 anode upward, cathode downward
Setting, every group of welding component also include first connecting portion 21 and second connecting portion 22 simultaneously, and first connecting portion 21 is for connecting phase
The front of a cell piece 1 in two adjacent cell pieces 1, second connecting portion 22 is for connecting in two adjacent cell pieces 1
Another cell piece 1 the back side.
In the present embodiment, first connecting portion 21 and second connecting portion 22 are attached by switching part 23, this makes first
The quantity of conducting wire and the second conducting wire may be the same or different, and the position on the different cell piece 1 of each leisure can be opposite
It answers, can not also correspond to, i.e., it is entirely different.If cell piece front is five main grids, the back side is seven main grids, and corresponding first conducting wire is set
Five are equipped with, the second conducting wire is provided with seven, and welding component is integrally in the structure type of Herba Triostei himalayani.In addition, the first conducting wire and
Two conducting wires can also use different structure type according to the performance requirement of the front and back to cell piece.
In the present embodiment, more second conducting wires of second connecting portion 22 can also be replaced using metal conductive film.
Metal conductive film is covered on the back side of cell piece 1, preferably whole back sides of metal conductive film covering cell piece 1.At this point, such as battery
Piece front is five main grids, and corresponding first conducting wire is provided with five, then welding component is integrally in that five main grids turn metal conductive film
Structure type.
Embodiment 3
As shown in figure 3, under photovoltaic module use state schematic, the anode of percentage of batteries piece 1 is arranged upward, remaining in the present embodiment
The cathode of percentage of batteries piece 1 is arranged upward, the same side of plane, i.e., each welding where every group of welding component is respectively positioned on photovoltaic module
Component is in line-styled structure.
Welding component described in every group includes two first connecting portions 21, and two first connecting portions 21 can be wholely set or directly
It connects, can also be indirectly connected with by switching part in succession, preferably two first connecting portions 21 are wholely set, i.e., the welding component is using whole
Body structure, and whole all the same and/or every group of welding component of structure type includes two second connecting portions 22, likewise,
Two second connecting portions 22 can be wholely set or be directly connected to, and can also be indirectly connected with by switching part, preferably two second connections
Portion 22 is wholely set, i.e., the welding component uses overall structure, and whole structure type is all the same.Two first connecting portions 21
It is separately connected the front of two adjacent cell pieces 1, two second connecting portions 22 are separately connected the back of two adjacent cell pieces 1
Face.Likewise, first connecting portion 21 and second connecting portion 22 can be arranged according to the performance requirement of the front and back to cell piece
At different structure type, moreover, the quantity of the first conducting wire and the second conducting wire may be the same or different, each leisure is not
Position on same cell piece 1 can be corresponding, can not also correspond to, i.e., entirely different.If cell piece front is five main grids, back
Face is seven main grids, corresponding, when carrying out photovoltaic module preparation, five first conducting wires is laid in the front of cell piece 1, in battery
The back side of piece 1 is laid with seven second conducting wires.
To sum up, the present invention can be according to the performance requirement of the front and back sides to cell piece, to the front and back sides main grid of cell piece, first
The demand of interconnecting piece and second connecting portion considers that prefabricated welding component is promoting photovoltaic module performance, reducing waste of material respectively
On the basis of can be achieved volume production.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (12)
1. a kind of welding component for photovoltaic module, photovoltaic module includes multiple cell pieces, cell piece described in each adjacent two
Between by the connection of welding component described in one group, under the photovoltaic module use state schematic, the cell piece has to be set upward
The front set and the back side being arranged downward, it is characterised in that: the welding component includes first connecting portion or the welding group
Part includes second connecting portion or the welding component includes the first connecting portion and the second connecting portion, and described first
Interconnecting piece is connect with the front of the cell piece, and the second connecting portion is connect with the back side of the cell piece, and described first connects
Socket part is different with the second connecting portion.
2. the welding component according to claim 1 for photovoltaic module, it is characterised in that: used in the photovoltaic module
Under state, each cell piece anode upward, cathode be arranged downward, welding component described in every group include it is described first connect
Socket part and the second connecting portion.
3. the welding component according to claim 2 for photovoltaic module, it is characterised in that: the first connecting portion and institute
Second connecting portion is stated to be directly connected to.
4. the welding component according to claim 3 for photovoltaic module, it is characterised in that: the first connecting portion includes
More first conducting wires, the second connecting portion include more second conducting wires, the quantity of first conducting wire and second conducting wire
It is identical, and the link position of first conducting wire and second conducting wire on the different cell pieces is corresponding.
5. the welding component according to claim 2 for photovoltaic module, it is characterised in that: the first connecting portion and institute
Second connecting portion is stated to be attached by switching part.
6. the welding component according to claim 5 for photovoltaic module, it is characterised in that: the first connecting portion includes
More first conducting wires, the second connecting portion include more second conducting wires, the quantity of first conducting wire and second conducting wire
Identical or different and/or described first conducting wire and link position of second conducting wire on the different cell pieces are opposite
It answers or different.
7. the welding component according to claim 5 for photovoltaic module, it is characterised in that: the first connecting portion includes
More first conducting wires, the second connecting portion are the metal conductive film for being covered on the back side of the cell piece.
8. the welding component according to claim 7 for photovoltaic module, it is characterised in that: the metal conductive film covering
Whole back sides of the cell piece.
9. the welding component according to claim 1 for photovoltaic module, it is characterised in that: used in the photovoltaic module
Under state, the anode of the part cell piece is arranged upward, and the cathode of cell piece described in remainder is arranged upward, described in every group
The same side of plane where welding component is respectively positioned on photovoltaic module, welding component described in every group include two first connections
Welding component described in portion or every group includes two second connecting portions.
10. the welding component according to claim 9 for photovoltaic module, it is characterised in that: the first connecting portion packet
More first conducting wires are included, the second connecting portion includes more second conducting wires, the number of first conducting wire and second conducting wire
Measure the link position phase of identical or different and/or described first conducting wire and second conducting wire on the different cell pieces
It is corresponding or different.
11. the welding component according to claim 1 for photovoltaic module, it is characterised in that: the first connecting portion packet
More first conducting wires are included, the second connecting portion includes more second conducting wires, and the cross section of first conducting wire is round, triangle
Shape, ellipse or zigzag, the cross section of second conducting wire are rectangle.
12. a kind of photovoltaic module, which is characterized in that including the welding component as described in any one of claim 1 ~ 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698786.1A CN110379879A (en) | 2019-07-31 | 2019-07-31 | A kind of welding component and photovoltaic module for photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698786.1A CN110379879A (en) | 2019-07-31 | 2019-07-31 | A kind of welding component and photovoltaic module for photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110379879A true CN110379879A (en) | 2019-10-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698786.1A Pending CN110379879A (en) | 2019-07-31 | 2019-07-31 | A kind of welding component and photovoltaic module for photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110379879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864746A (en) * | 2022-05-12 | 2022-08-05 | 常州时创能源股份有限公司 | Photovoltaic module preparation method |
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| CN108831946A (en) * | 2018-06-26 | 2018-11-16 | 浙江晶科能源有限公司 | A kind of solar photovoltaic assembly |
| CN108878568A (en) * | 2018-06-20 | 2018-11-23 | 晶科能源科技（海宁）有限公司 | A kind of the series welding structure and method of double-sided solar battery component |
| CN208923158U (en) * | 2018-11-05 | 2019-05-31 | 苏州阿特斯阳光电力科技有限公司 | A kind of photovoltaic module |
| CN210092107U (en) * | 2019-07-31 | 2020-02-18 | 苏州联诺太阳能科技有限公司 | Solder strip assembly for photovoltaic assembly and photovoltaic assembly |
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- 2019-07-31 CN CN201910698786.1A patent/CN110379879A/en active Pending
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| CN104022166A (en) * | 2014-04-15 | 2014-09-03 | 合肥晶澳太阳能科技有限公司 | Photovoltaic cell and photovoltaic assembly circuit connecting structure with photovoltaic cells |
| WO2016188066A1 (en) * | 2015-05-22 | 2016-12-01 | 协鑫集成科技股份有限公司 | Solar cell assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864746A (en) * | 2022-05-12 | 2022-08-05 | 常州时创能源股份有限公司 | Photovoltaic module preparation method |
| CN114864746B (en) * | 2022-05-12 | 2024-03-15 | 常州时创能源股份有限公司 | Photovoltaic module preparation method |
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