CN107359216A - Solar cell module welding, the battery strings and manufacture method connected by welding - Google Patents
Solar cell module welding, the battery strings and manufacture method connected by welding Download PDFInfo
- Publication number
- CN107359216A CN107359216A CN201710512872.XA CN201710512872A CN107359216A CN 107359216 A CN107359216 A CN 107359216A CN 201710512872 A CN201710512872 A CN 201710512872A CN 107359216 A CN107359216 A CN 107359216A
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- China
- Prior art keywords
- welding
- cell piece
- horizontal
- solar cell
- back segment
- Prior art date
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- 238000003466 welding Methods 0.000 title claims abstract description 136
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007306 turnover 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of solar cell module welding, is the equal sheet entirety welding of the thickness formed by longitudinal welding in intersection, horizontal welding, and the width A of horizontal welding is equal to the thickness of cell piece, and horizontal welding positive and negative is coated with insulating materials.The manufacture method of the open battery strings being welded to connect by this and this battery strings simultaneously.It is an advantage of the invention that：Welding structure can reduce in cell piece gap as far as possible, integrated formed structure welding and its 40Mpa~100Mpa yield strength that can reach, cell piece sliver risk is minimized, and welding sheet is as overall structure, reduce the electric current transmission risk that welding disconnecting strip is come, it is easy to the sizing and contraposition of equipment, the welding product of customization is obviously improved cell piece cost competitiveness.
Description
Technical field
The present invention relates to a kind of solar cell module welding, and the battery pack connected into by the welding and its manufacture
Method.
Background technology
As heliotechnics is constantly progressive, large scale system power station rapid growth, due to being provided using photovoltaic generation soil
Source is constantly reduced, and the demand of efficient crystal silicon battery component constantly rises, and following solar energy market development, photovoltaic generation will mainly collect
In efficient crystal silicon battery component exploitation and application it is upper.
At present, the interconnection architecture that solar cell module mainly uses is the painting tin copper strips of plate-like or reel, due to weldering
Tape thickness is higher, straight at cell piece interconnection, and sliver situation is more serious after cell piece spacing reduces, and therefore, is needed between piece and piece
Leave the gap of certain distance.However, the sunshine being radiated in interstitial site certainly will have one after repeatedly refraction, reflection
Part sunshine eventually impinges component external, produces light loss.In addition, welding use substantially it is single welded, production process
In be unfavorable for overall positioning.
The content of the invention
Goal of the invention：, can be with view of the above-mentioned problems, it is an object of the invention to provide a kind of solar cell module welding
The gap reduced between cell piece, is easy to cell piece integrally to position, at the same provide the battery strings that are connected into by this welding and its
Manufacture method.
Technical scheme：A kind of solar cell module welding, formed by longitudinal welding in intersection, horizontal welding
The equal sheet entirety welding of thickness, the width A of horizontal welding are equal to the thickness of cell piece, and horizontal welding positive and negative is coated with exhausted
Edge material.
Further, at the zone of intersection of longitudinal welding and horizontal welding, the coating width C of insulating materials is beyond laterally weldering
The width A of band, is extended to longitudinal welding, and coating width C is less than the width B of longitudinal welding.
Further, the thickness of sheet entirety welding is 80 μm~180 μm.
Optimal, the width A of horizontal welding is 100 μm~200 μm.
Optimal, the quantity of longitudinal welding is 4~15.Adjacent longitudinal welding and between parts transversely welding form work
Font is approximate I-shaped.
A kind of battery strings connected by above-mentioned solar cell module with welding, including welding and one group tile successively
Spaced cell piece, the homopolarity of cell piece are generally aligned in the same plane, two sides of the transversely welding of longitudinal welding on welding
It is divided into leading portion, back segment along turnover respectively, leading portion, back segment divide in horizontal welding both sides in reverse, adjacent cell piece a, cell piece b
Not Wei Yu horizontal welding both sides, leading portion connects with cell piece a negative or positive electrode, accordingly, back segment and cell piece b negative pole or
Positive pole connects, and connects to form interconnection by welding between two neighboring cell piece.
Optimal, the spacing E between two neighboring cell piece is not less than the thickness of sheet entirety welding, and spacing E is
0.08mm~0.6mm.
The manufacture method of above-mentioned battery strings, comprises the following steps：
Step 1：Two edges of the transversely welding of longitudinal welding on welding are turned down respectively, divide longitudinal welding
Go out leading portion, back segment, make leading portion, back segment in horizontal welding both sides in reverse；
Step 2：Tiled a Battery pack piece, makes that cell piece is spaced and homopolarity is generally aligned in the same plane, and horizontal welding is put
In the spacing of cell piece, adjacent cell piece a, cell piece b are respectively placed in horizontal welding both sides, by leading portion and cell piece a
Negative or positive electrode connection, accordingly, back segment is connected with cell piece b negative pole or positive pole, it is equal between two neighboring cell piece
Connected by welding, be in turn connected to form interconnection.
Further, the busbar connection on leading portion, back segment and cell piece.
Beneficial effect：Compared with prior art, it is an advantage of the invention that：Welding structure can contract in cell piece gap as far as possible
It is small, integrated formed structure welding and its 40Mpa~100Mpa yield strength that can reach, cell piece sliver risk is down to
It is minimum, and welding sheet reduces the electric current transmission risk that welding disconnecting strip is come as overall structure, be easy to the sizing of equipment with it is right
Position, the welding product of customization have been obviously improved cell piece cost competitiveness.
Brief description of the drawings
Fig. 1 is the structural representation of welding；
The schematic diagram that Fig. 2 is the coating width C of insulating materials at the zone of intersection on welding；
Fig. 3 is the Z-direction view after Fig. 1 or Fig. 2 welding backfin；
The connection diagram for the battery strings by welding connection that Fig. 4 is；
Fig. 5 is Fig. 4 F-F sectional views；
Fig. 6 is in Fig. 5 I enlarged drawing.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are each to the present invention's
The modification of the kind equivalent form of value falls within the application appended claims limited range.
A kind of solar cell module welding, as shown in figure 1, including by longitudinal welding 1 in intersection, horizontal welding 2
The sheet entirety welding of formation, the welding are integrally formed by being stamped or cut out, and thickness is equal everywhere, the width A of horizontal welding 2
Equal to the thickness of cell piece, the horizontal positive and negative of welding 2 is coated with insulating materials 4.
As shown in Fig. 2 at the zone of intersection 3 of longitudinal welding 1 and horizontal welding 2, the coating width C of insulating materials 4 can be with
Beyond the width A of horizontal welding 2, extend to longitudinal welding 1, and coating width C is less than the width B of longitudinal welding 1, i.e., can not
Longitudinal welding is all filled.
The quantity of longitudinal welding on welding of the present invention is relevant with the quantity of the busbar on the cell piece to be interconnected, and indulges
4~15 are typically provided with to the quantity of welding.The thickness of welding is 80 μm~180 μm, the width A of horizontal welding for 100 μm~
200μm。
With above-mentioned welding of the present invention, one group of spaced cell piece that tiles successively is connected, the homopolarity of cell piece is located at
Same plane, form battery strings.As shown in figure 3, two edges of longitudinal welding 1 on welding transversely welding 2 turn down respectively
It is divided into leading portion 11, back segment 12, leading portion 11, back segment 12 are in the horizontal both sides of welding 2 in reversely, then welding section is in zigzag.After backfin
The yield strength of welding can reach 40Mpa~100Mpa.
As shown in Figure 4,5, adjacent cell piece a51, cell piece b52 are located at the horizontal both sides of welding 2, horizontal welding 2 respectively
Adjacent cell piece is played a part of being dielectrically separated from, the spacing E between two neighboring cell piece is not less than the thickness of welding, spacing
E is 0.08mm~0.6mm, and leading portion 11 connects with cell piece a51 negative or positive electrode, accordingly, back segment 12 and cell piece b52's
Negative pole or positive pole connection.Heteropole is formed between two neighboring cell piece by longitudinal welding 1 of welding to interconnect, a Battery pack piece
Connected by welding and form a battery strings.
The manufacture method of this battery pack, comprises the following steps：
Step 1：Two edges of the transversely welding of longitudinal welding on welding are turned down respectively, divide longitudinal welding
Go out leading portion, back segment, make leading portion, back segment in horizontal welding both sides in reverse；
Step 2：Tiled a Battery pack piece, makes that cell piece is spaced and homopolarity is generally aligned in the same plane, and horizontal welding is put
In the spacing of cell piece, adjacent cell piece a, cell piece b are respectively placed in horizontal welding both sides, by leading portion and cell piece a
Negative or positive electrode connection, accordingly, back segment is connected with cell piece b negative pole or positive pole, it is equal between two neighboring cell piece
Connected by welding, be in turn connected to form interconnection.Leading portion, back segment are connected with the busbar 6 on cell piece.
Claims (9)
- A kind of 1. solar cell module welding, it is characterised in that：It is by longitudinal welding (1) in intersection, horizontal welding (2) The equal sheet entirety welding of the thickness of formation, the width A of horizontal welding (2) are equal to the thickness of cell piece, and horizontal welding (2) is just Reverse side is coated with insulating materials (4).
- 2. solar cell module welding according to claim 1, it is characterised in that：In longitudinal welding (1) and laterally The zone of intersection (3) place of welding (2), the coating width C of insulating materials (4) exceed the width A of horizontal welding (2), extended to longitudinal direction On welding (1), and coating width C is less than the width B of longitudinal welding (1).
- 3. solar cell module welding according to claim 1, it is characterised in that：The thickness of sheet entirety welding is 80 μm~180 μm.
- 4. solar cell module welding according to claim 1, it is characterised in that：The width A of horizontal welding (2) is 100 μm~200 μm.
- 5. solar cell module welding according to claim 1, it is characterised in that：The quantity of longitudinal welding (1) is 4 ~15.
- A kind of 6. battery strings connected by any described solar cell modules of claim 1-5 with welding, it is characterised in that： Tiled successively spaced cell piece including welding and one group, the homopolarity of cell piece is generally aligned in the same plane, vertical on welding To welding (1), transversely two edges of welding (2) turn down be divided into leading portion (11), back segment (12), leading portion (11), back segment respectively (12) in horizontal welding (2) both sides in reversely, adjacent cell piece a (51), cell piece b (52) is located at horizontal welding (2) respectively Both sides, leading portion (11) connect with cell piece a (51) negative or positive electrode, accordingly, the negative pole of back segment (12) and cell piece b (52) Or positive pole connects, connect to form interconnection by welding between two neighboring cell piece.
- 7. the battery strings that solar cell module according to claim 6 is connected with welding, it is characterised in that：It is two neighboring Spacing E between cell piece is not less than the thickness of sheet entirety welding, and spacing E is 0.08mm~0.6mm.
- 8. the manufacture method of any described battery strings of a kind of claim 6-7, it is characterised in that comprise the following steps：Step 1：Two edges of the transversely welding (2) of longitudinal welding (1) on welding are turned down respectively, make longitudinal welding (1) Leading portion (11), back segment (12) are marked off, makes leading portion (11), back segment (12) in horizontal welding (2) both sides in reverse；Step 2：Tiled a Battery pack piece, makes that cell piece is spaced and homopolarity is generally aligned in the same plane, and horizontal welding (2) is put In the spacing of cell piece, adjacent cell piece a (51), cell piece b (52) are respectively placed in horizontal welding (2) both sides, by before Section (11) is connected with cell piece a (51) negative or positive electrode, accordingly, by back segment (12) and cell piece b (52) negative pole or just Pole connects, and is connected between two neighboring cell piece by welding, is in turn connected to form interconnection.
- 9. the manufacture method of battery strings according to claim 8, it is characterised in that：Leading portion (11), back segment (12) and battery Busbar (6) connection on piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512872.XA CN107359216A (en) | 2017-06-29 | 2017-06-29 | Solar cell module welding, the battery strings and manufacture method connected by welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512872.XA CN107359216A (en) | 2017-06-29 | 2017-06-29 | Solar cell module welding, the battery strings and manufacture method connected by welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107359216A true CN107359216A (en) | 2017-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710512872.XA Pending CN107359216A (en) | 2017-06-29 | 2017-06-29 | Solar cell module welding, the battery strings and manufacture method connected by welding |
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| Country | Link |
|---|---|
| CN (1) | CN107359216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623217A (en) * | 2019-01-31 | 2019-04-16 | 武汉三工智能装备制造有限公司 | Solar cell chip bonding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066151A (en) * | 2012-11-30 | 2013-04-24 | 宫昌萌 | Manufacturing method of back-contacted solar cell bunches |
| WO2013143475A1 (en) * | 2012-03-28 | 2013-10-03 | Shenzhen Byd Auto R&D Company Limited | Solar battery assembly |
| CN203674232U (en) * | 2013-11-27 | 2014-06-25 | 江阴鑫辉太阳能有限公司 | Weldable MWT battery assembly |
| CN106449796A (en) * | 2016-10-25 | 2017-02-22 | 陕西众森电能科技有限公司 | Electrode for solar battery |
| CN206992128U (en) * | 2017-06-29 | 2018-02-09 | 中节能太阳能科技（镇江）有限公司 | Solar cell module welding, the battery strings connected by welding |
-
2017
- 2017-06-29 CN CN201710512872.XA patent/CN107359216A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143475A1 (en) * | 2012-03-28 | 2013-10-03 | Shenzhen Byd Auto R&D Company Limited | Solar battery assembly |
| CN103066151A (en) * | 2012-11-30 | 2013-04-24 | 宫昌萌 | Manufacturing method of back-contacted solar cell bunches |
| CN203674232U (en) * | 2013-11-27 | 2014-06-25 | 江阴鑫辉太阳能有限公司 | Weldable MWT battery assembly |
| CN106449796A (en) * | 2016-10-25 | 2017-02-22 | 陕西众森电能科技有限公司 | Electrode for solar battery |
| CN206992128U (en) * | 2017-06-29 | 2018-02-09 | 中节能太阳能科技（镇江）有限公司 | Solar cell module welding, the battery strings connected by welding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623217A (en) * | 2019-01-31 | 2019-04-16 | 武汉三工智能装备制造有限公司 | Solar cell chip bonding machine |
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| PB01 | Publication | ||
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Application publication date: 20171117 |