CN108687418A - A kind of welding connection method of solar cell - Google Patents
A kind of welding connection method of solar cell Download PDFInfo
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- CN108687418A CN108687418A CN201710215588.6A CN201710215588A CN108687418A CN 108687418 A CN108687418 A CN 108687418A CN 201710215588 A CN201710215588 A CN 201710215588A CN 108687418 A CN108687418 A CN 108687418A
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- welding
- busbar
- cell piece
- mutual latticing
- string
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- 238000003466 welding Methods 0.000 title claims abstract description 190
- 238000000034 method Methods 0.000 title claims abstract description 39
- 210000000538 tail Anatomy 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000003475 lamination Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 239000003463 adsorbent Substances 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of welding connection methods of solar cell, it is for the technical problem that solder joint is more, manufacturing cost is high in the confluence welding process of solar module in the prior art, pass through the setting of welding connection method, significantly reduce traditional three main grids to five main grid component stack welding job amounts 60% ~ 80%, more 90% or more main grid component confluence welding job amounts are reduced, manufacturing cost is significantly reduced.
Description
Technical field
The present invention relates to a kind of welding connection methods of solar cell, in solar cell welding process, reducing weldering
The quantity of contact.Belong to solar cell production technical field.
Background technology
Usually there are traditional solar cell 3 ~ 5 main grids, cell piece to be put by being picked up by pick device after vision positioning
It sets on welding, upper part electrode places another mutual latticing welding of row after battery positioning, and under the drive of transmission mechanism, battery is pressed
Under certain beat, spacing are orderly acted on by heating elements such as infrared, electromagnetic induction, hot winds, passes through mutual latticing welding and realize
Adjacent battery positive and negative electrode is connected, to realize the cascade process of battery.In lamination welding process, usual battery strings according to
The spacing of component design is placed on doubling film, under the action of electric iron, is connected battery strings using busbar welding
Come, realizes the circuit connection between battery strings.With tri- main grid polycrystalline batteries of typical 156 × 156mm, the group of 6 strings × 8/string
It is illustrated for part product:For single string of batteries after the completion of series welding process as shown in Figure 1, in figure, 1 is three main grid batteries;2 be
One/the second mutual latticing welding;3 be the first busbar welding;Then, single string of batteries are converged, and form the sun as shown in Figure 2
Battery strings group, in figure, 3 be the first busbar welding;4 be component lead-out wire welding;5 is new for the first mutual latticing and the first busbar
Increase solder joint;6 be the solder joint of the first busbar and lead-out wire.In Process of Confluence, corresponding solder joint most factories still with
Artificial manual welding mode is completed, and workload is very big.Even if in the component connection of comparatively simplified Split type connecting box
In scheme, total number of welds in process of converging is 42, wherein:The solder joint of busbar and mutual latticing shares 36, busbar
It it is 6 with lead-out wire solder joint, as shown in Figure 2.
With the development of high-efficiency battery component technology, more main grid technologies will be increasingly becoming the master of the following efficiently component technology
Stream.The nominal peak power output of more main grid solar modules can improve 2.5% ~ 3%.The main grid quantity of more main grid batteries is logical
It is often 10 ~ 15.By taking typical 12 grid as an example, if still using above-mentioned traditional series welding mode, single string of batteries such as Fig. 3 of output
Shown, in figure, 7 be more main grid batteries;In welding process of converging, the number of welds of mutual latticing and busbar can become 144,
It is increased newly in figure and denotes out with dot with busbar weld locations;Component is by more simplified Split type connecting box connection
The total quantity of scheme, solder joint is 150, wherein 6 are busbar lead-out wire solder joint, as shown in Figure 4.Moreover, becoming 12 from 3 grid
After grid, the solder joint Distance Shortened between adjacent interconnection item and busbar, in pinpoint welding procedure, it may occur that hot interference;It is more simultaneously
The mutual latticing of main grid is typically that section is circular welding, and welding difficulty further increases, and welding efficiency reduces, and confluence is caused to be welded
Efficiency be reduced to original 1/5 ~ 1/6 or so.Therefore the popularization for more main grid technologies, confluence welding will become entire component
Significant bottleneck in technical process.
For this reason, it may be necessary to design a kind of welding method of solar cell, reduce solar cell welding process number of welds,
Production efficiency is improved, production cost is reduced.
Invention content
The present invention is directed to above-mentioned technical problem in the prior art, provides a kind of welding connection method of solar cell, has
Effect ground reduces number of welds, reduces production cost.
For this purpose, the present invention adopts the following technical scheme that:
A kind of welding connection method of solar cell, it is characterised in that:Fixed length is welded in the head end and/or tail end of single string of batteries string
There is the single string of batteries string of fixed length busbar to weld the cell piece to form photovoltaic module again for busbar, then, head end and/or tail end
String formation.
Further, while cell piece series welding, in head end and/or tail end the welding fixed length confluence of single string of batteries string
Item.
Further, cell piece series welding after the completion of, single string of batteries string head end and/or tail end welding fixed length confluence
Item.
Specifically, the welding connection method of the solar cell, includes the following steps:
S1:First busbar of regular length is placed on the preheated zone of transmission/jig of series welding device, welding folder
Pincers capture several first mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece and are placed on the first busbar;Or
Person, welding clamp capture several first mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece and are placed on series welding device
Transmission/jig preheated zone on, the first busbar of regular length is placed on the described first mutual latticing welding
Top;
S2:Manipulator picks up first battery, is placed on the first mutual latticing welding below the first busbar, each main grid of battery
Electrode is corresponding with the first mutual latticing welding respectively;
S3:Several second mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece are placed in the upper surface of cell piece;
One end of second mutual latticing welding is located above one piece of cell piece, the other end be located at next piece of cell piece lower section constitute its first
Mutual latticing welding, to realize the series connection of front and back cell piece;
S4:By the heating element zone of action of string welding machine, realize that the first busbar is connect with the first mutual latticing welding;In series welding
The welding region of machine realizes the welding of the first busbar and mutual latticing welding, and, the welding of mutual latticing welding and cell piece;
S5:Step S2-S4 is repeated, until when the cauda battery of same row cell piece, the second mutual latticing weldering of preceding a piece of cell piece
With the first mutual latticing welding for constituting cauda, cauda battery is placed thereon, the second busbar is placed in the tail end of cauda battery,
Several second mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece are then placed in the upper surface of cauda battery,
The welding region of string welding machine realizes the welding of the second busbar and mutual latticing welding, and, the weldering of mutual latticing welding and cell piece
It connects;
S6:The single string of batteries string that will be formed after step S5, head end and tail end are welded with fixed length busbar, according to component
The spacing of design is placed on doubling film, under the action of electric iron, is connected battery strings joint welding using busbar welding
Come, forms the cell piece string formation of photovoltaic module.
Further, in step sl, bottom plate of the lower surface contact with heating function of the first busbar.
Further, in step s3, cell piece passes through the vacuum absorption device pressure on series welding device transmission/jig
The mutual latticing welding being tightly disposed below.
Further, in step S1, S5, the first busbar, the second busbar, and, the first mutual latticing, the second interconnection
Item is fixed on by vacuum absorption device on series welding device transmission/jig or mechanical means on platform.
Further, first busbar, the second busbar length minimum value be component Plays cell piece most
The centre-to-centre spacing L1 of two, outside main gate line, length maximum value are L1+2 × L2, and first busbar, the second busbar are put
The opposite center line of cell piece in the direction of the width is set to be arranged symmetrically in both sides.
Further, the top of welding region is provided with hold-down devices, hold-down devices compress busbar and welded with mutual latticing
Band, and, mutual latticing welding and cell piece;Later, it is heated by heating element, then, heating element cooling, when solder joint temperature
When degree is down to busbar tin finishes fusing point or less, hold-down devices are lifted, and battery strings is made to continue onwards transmission.
Further, the cell piece is after traditional series welding technique is concatenated into single battery string, using it is online or it is offline from
Dynamic welder, the mutual latticing of battery strings head end and/or tail end and fixed length busbar are welded;After completing the welding of end busbar
Each battery strings are subjected to lamination pendulum string again and busbar lapping ends weld;Form the cell piece string formation of photovoltaic module.As one
Kind specific embodiment, while cell piece series welding, in head end and/or tail end the welding fixed length confluence of single string of batteries string
Item.
The present invention has the advantages that:
The present invention overcomes the disadvantages that solder joint is more, manufacturing cost is high in solar module confluence welding process, can effectively reduce
Traditional three main grids to five main grid component stack welding job amounts 60% ~ 80%, reduce more main grid components confluence welding job amounts 90% with
On, to which manufacturing cost be greatly reduced.
Description of the drawings
Fig. 1 is three main grid battery conventional batteries list strings;
Fig. 2 is that three main grid battery component routine laminations weld schematic diagram;
Fig. 3 is more main grid battery conventional batteries list strings;
Fig. 4 is that more main grid battery component routine laminations weld schematic diagram;
Fig. 5 is the battery list string of more main grid batteries of the present invention;
Fig. 6 is the lamination schematic diagram of more main grid battery components of the present invention;It is increased newly in figure with busbar weld locations with circle
Point mark;
In figure, 1 is three main grid batteries;2 be the mutual latticing welding of first/second;3 be the first busbar welding;4 be component lead-out wire
Welding;5 increase solder joint newly for the first mutual latticing and the first busbar;6 be the solder joint of the first busbar and lead-out wire;7 be more main grids
Battery;8 be the joint welding point of adjacent single string prewelding busbar.
Specific implementation mode
The present invention is made further with detailed description in the following with reference to the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 5, Figure 6, using more main grid batteries 7 with 12 main grids as series welding object, with traditional infrared heating
String welding machine be series welding device for illustrate.
In the present invention, the busbar on the top of the first battery in a string of cell pieces is defined into the first busbar;It will
The busbar of the bottom end of cauda battery in a string of cell pieces defines the second busbar, the first busbar, the second busbar
It is referred to as busbar;It will be defined as the first mutual latticing welding positioned at the mutual latticing welding at the cell piece back side, cell piece front will be located at
(Light-receiving surface)Mutual latticing welding be defined as the second mutual latticing welding, the first mutual latticing welding, the second mutual latticing welding are referred to as mutual
Latticing welding;Define arrangement in an orderly manner, the collection for all cell pieces for forming a photovoltaic module is combined into the electricity of a photovoltaic module
Pond piece string formation.Above-mentioned definition is not defined its structure only for the convenience of description.
The welding connection method of the solar cell of the present embodiment, includes the following steps:
S1:First busbar 3 of regular length is placed on the preheated zone of transmission/jig of series welding device, welding
Clamp captures several first mutual latticing weldings 2 consistent with the quantity of the primary gate electrode of cell piece and is placed on the first busbar;
First busbar, the second busbar length minimum value be component Plays cell piece two main gate lines of outermost in
For the heart away from L1, length maximum value is L1+2 × L2;And first busbar the opposite center line of cell piece in the direction of the width of placement
It is arranged symmetrically in both sides;Above-mentioned setting has the length that can be enough that overlapped and each row battery strings when can guarantee subsequent stacks confluence
The lap of splice is roughly equal;Bottom plate of the lower surface contact with heating function of first busbar 3;Ensure subsequent sweating heat
Amount;
S2:Manipulator picks up first battery, is placed on 2 on the first mutual latticing welding of 3 lower section of the first busbar, each master of battery
Gate electrode is corresponding with the first mutual latticing welding respectively, and in the present embodiment, the quantity of the first mutual latticing welding 2 is 12;
S3:Several second mutual latticing weldings 2 consistent with the quantity of the primary gate electrode of cell piece are placed in the upper surface of cell piece;
One end of second mutual latticing welding is located above one piece of cell piece, the other end be located at next piece of cell piece lower section constitute its first
Mutual latticing welding, to realize the series connection of front and back cell piece;
S4:By the heating element zone of action of string welding machine, realize that the first busbar is connect with the first mutual latticing welding;In series welding
The welding region of machine realizes the welding of the first busbar and mutual latticing welding, and, the welding of mutual latticing welding and cell piece;
S5:Step S2-S4 is repeated, until when the cauda battery of same row cell piece, the second mutual latticing weldering of preceding a piece of cell piece
With the first mutual latticing welding for constituting cauda, cauda battery is placed thereon, the second busbar is placed in the tail end of cauda battery,
Several second mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece are then placed in the upper surface of cauda battery,
The welding region of string welding machine realizes the welding of the second busbar and mutual latticing welding, and, the weldering of mutual latticing welding and cell piece
It connects;
S6:The single string of batteries string that will be formed after step S5, head end and tail end are welded with fixed length busbar, according to component
The spacing of design is placed on doubling film, under the action of electric iron, is connected battery strings joint welding using busbar welding
Come, forms the cell piece string formation of photovoltaic module.
Using the welding connection method of solar cell provided by the invention, in 12 main grid battery components of entire 6 string, joint welding
The quantity of point 8 is only 5, in addition 6 tie points of lead-out wire and the welding of busbar welding, in lamination procedure, all welderings
Point quantity is only 11, compares normal welding mode shown in Fig. 4, and number of welds is that 144 plus 6 extraction pad works are total
150 lamination weld pads quantity reduce 92.7%, and resulting production efficiency about promotes 95%, and manufacturing cost will substantially
Reduction.If the fixed length bus bar length of single string end welding is close to cell piece width, need to introduce auxiliary overlap joint welding
Short busbar, the adjacent cell piece string spacing that auxiliary overlapped short bus bar length is 1 ~ 3 times, the number of welds of lap position from
5 become 10, and the quantity of total solder joint becomes 16, therefore the improving productivity 89% of lamination welding sequence.
Embodiment 2:
The present embodiment difference from example 1 is that:By the welding connection method of the solar cell of the present invention for common
Three main grids, four main grids, in five main grid components, the step of step is with embodiment 1, is identical.
After the present invention, three main grids, four main grids, five main grid components welding process in, most commonly seen 6 string batteries
Lamination welds total number of welds and is reduced to 11 solder joints from 42,54,66 respectively.The production efficiency of lamination welding sequence carries
Rise about 70 ~ 80%.If introducing the third busbar of auxiliary overlap joint welding, the number of welds of lap position becomes 10 from 5, always
The quantity of solder joint becomes 16, therefore the improving productivity of lamination welding sequence about 60 ~ 75%.
Embodiment 3:
The present embodiment difference from example 1 is that:In step sl, first, the master of welding clamp crawl and cell piece
Several consistent mutual latticing weldings of the quantity of gate electrode are placed on the preheated zone of transmission/jig of series welding device, with
Afterwards, the first busbar of regular length is placed on to the top of the mutual latticing welding.Remaining step is same as Example 1.
Embodiment 4:
Not embodiment difference from example 1 is that:
It, will using online or offline automatic soldering device after cell piece is welded into single battery string using traditional series welding method
The mutual latticing of battery strings head end and/or tail end is welded with fixed length busbar;It completes after end busbar welds again by each battery strings
Carry out lamination pendulum string and the welding of busbar lapping ends;Form the cell piece string formation of photovoltaic module.
Particular embodiments described above, pair present invention solves the technical problem that, technical solution and advantageous effect carry out
It is further described, it should be understood that the foregoing is merely specific implementation of the patent example, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection domain.
Claims (10)
1. a kind of welding connection method of solar cell, it is characterised in that:It is fixed in head end and/or the tail end welding of single string of batteries string
There is the single string of batteries string of fixed length busbar to weld the battery to form photovoltaic module again for long busbar, then, head end and/or tail end
Piece string formation.
2. the welding connection method of solar cell according to claim 1, it is characterised in that:In the same of cell piece series welding
When, weld fixed length busbar in the head end and/or tail end of single string of batteries string.
3. the welding connection method of solar cell according to claim 1, it is characterised in that:In the completion of cell piece series welding
Afterwards, fixed length busbar is welded in the head end and/or tail end of single string of batteries string.
4. the welding connection method of solar cell according to claim 2, it is characterised in that:Include the following steps:
S1:First busbar of regular length is placed on the preheated zone of transmission/jig of series welding device, welding folder
Pincers capture several first mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece and are placed on the first busbar;Or
Person, welding clamp capture several first mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece and are placed on series welding device
Transmission/jig preheated zone on, the first busbar of regular length is placed on the described first mutual latticing welding
Top;
S2:Manipulator picks up first battery, is placed on the first mutual latticing welding below the first busbar, each main grid of battery
Electrode is corresponding with the first mutual latticing welding respectively;
S3:Several second mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece are placed in the upper surface of cell piece;
One end of second mutual latticing welding is located above one piece of cell piece, the other end be located at next piece of cell piece lower section constitute its first
Mutual latticing welding, to realize the series connection of front and back cell piece;
S4:By the heating element zone of action of string welding machine, realize that the first busbar is connect with the first mutual latticing welding;In series welding
The welding region of machine realizes the welding of the first busbar and mutual latticing welding, and, the welding of mutual latticing welding and cell piece;
S5:Step S2-S4 is repeated, until when the cauda battery of same row cell piece, the second mutual latticing weldering of preceding a piece of cell piece
With the first mutual latticing welding for constituting cauda, cauda battery is placed thereon, the second busbar is placed in the tail end of cauda battery,
Several second mutual latticing weldings consistent with the quantity of the primary gate electrode of cell piece are then placed in the upper surface of cauda battery,
The welding region of string welding machine realizes the welding of the second busbar and mutual latticing welding, and, the weldering of mutual latticing welding and cell piece
It connects;
S6:The single string of batteries string that will be formed after step S5, head end and tail end are welded with fixed length busbar, according to component
The spacing of design is placed on doubling film, under the action of electric iron, is connected battery strings joint welding using busbar welding
Come, forms the cell piece string formation of photovoltaic module.
5. the welding connection method of solar cell according to claim 4, it is characterised in that:In step sl, first converges
Flow bottom plate of the lower surface contact with heating function of item.
6. the welding connection method of solar cell according to claim 4, it is characterised in that:In step s3, cell piece
The mutual latticing welding being disposed below is compressed by the vacuum absorption device on series welding device transmission/jig.
7. the welding connection method of solar cell according to claim 4, it is characterised in that:In step S1, S5, first
Busbar, the second busbar, and, the first mutual latticing, the second mutual latticing pass through the vacuum on series welding device transmission/jig
Adsorbent equipment or mechanical means are fixed on platform.
8. the welding connection method of solar cell according to claim 4, it is characterised in that:First busbar,
The length minimum value of two busbars is the centre-to-centre spacing L1 of two main gate lines of outermost of component Plays cell piece, and length is maximum
Value is L1+2 × L2, and the placement of first busbar, the second busbar is in respect to the center line of cell piece in the direction of the width
Both sides are arranged symmetrically.
9. the welding connection method of solar cell according to claim 4, it is characterised in that:It is set on the top of welding region
Hold-down devices are equipped with, hold-down devices compress busbar and mutual latticing welding, and, mutual latticing welding and cell piece;Later, by adding
Thermal element is heated, and then, heating element cooling is pushed when weld point temperature is down to busbar tin finishes fusing point or less
Device lifts, and battery strings is made to continue onwards transmission.
10. the welding connection method of solar cell according to claim 3, it is characterised in that:The cell piece is through tradition
After series welding technique is concatenated into single battery string, using online or offline automatic soldering device, by battery strings head end and/or tail end
Mutual latticing is welded with fixed length busbar;Each battery strings are subjected to lamination pendulum string and busbar end again after completing the welding of end busbar
Portion's overlap joint welding then needs between the adjacent homonymy busbar singly gone here and there when the bus bar length of end above-mentioned welding is smaller
Third busbar carries out overlap joint welding with adjacent fixed length busbar end respectively;Form the cell piece string formation of photovoltaic module.
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|---|---|---|---|
| CN201710215588.6A CN108687418B (en) | 2017-04-04 | 2017-04-04 | Solder strip connection method of solar cell |
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| CN201710215588.6A CN108687418B (en) | 2017-04-04 | 2017-04-04 | Solder strip connection method of solar cell |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148651A (en) * | 2019-06-06 | 2019-08-20 | 苏州迈展自动化科技有限公司 | A kind of solar photovoltaic assembly hot link process equipment |
| WO2020155326A1 (en) * | 2019-01-31 | 2020-08-06 | 武汉三工智能装备制造有限公司 | Mechanism for arranging soldering strips on cells and soldering machine for solar cells |
| CN111969080A (en) * | 2020-08-26 | 2020-11-20 | 江阴初旭智能科技有限公司 | Multipoint interconnection method for crystalline silicon battery |
| CN112349627A (en) * | 2020-09-30 | 2021-02-09 | 金寨嘉悦新能源科技有限公司 | Cell welding device of solar monocrystalline silicon cell |
| CN112599642A (en) * | 2020-12-18 | 2021-04-02 | 泰州隆基乐叶光伏科技有限公司 | Welding method of battery piece and photovoltaic module |
| WO2021063008A1 (en) * | 2019-09-30 | 2021-04-08 | 天合光能股份有限公司 | Photovoltaic assembly applicable to solar cell |
| CN112786711A (en) * | 2020-12-31 | 2021-05-11 | 锦州阳光能源有限公司 | Novel IBC photovoltaic cell module and preparation method thereof |
| WO2022206609A1 (en) * | 2021-03-30 | 2022-10-06 | 金阳(泉州)新能源科技有限公司 | Ribbon soldering method for back-contact solar cell chips |
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| WO2021063008A1 (en) * | 2019-09-30 | 2021-04-08 | 天合光能股份有限公司 | Photovoltaic assembly applicable to solar cell |
| CN111969080A (en) * | 2020-08-26 | 2020-11-20 | 江阴初旭智能科技有限公司 | Multipoint interconnection method for crystalline silicon battery |
| CN112349627A (en) * | 2020-09-30 | 2021-02-09 | 金寨嘉悦新能源科技有限公司 | Cell welding device of solar monocrystalline silicon cell |
| CN112349627B (en) * | 2020-09-30 | 2023-09-29 | 金寨嘉悦新能源科技有限公司 | Solar monocrystalline silicon battery's battery piece welding set |
| CN112599642A (en) * | 2020-12-18 | 2021-04-02 | 泰州隆基乐叶光伏科技有限公司 | Welding method of battery piece and photovoltaic module |
| CN112786711A (en) * | 2020-12-31 | 2021-05-11 | 锦州阳光能源有限公司 | Novel IBC photovoltaic cell module and preparation method thereof |
| WO2022206609A1 (en) * | 2021-03-30 | 2022-10-06 | 金阳(泉州)新能源科技有限公司 | Ribbon soldering method for back-contact solar cell chips |
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Effective date of registration: 20230627 Address after: 213031 Tianhe PV Industrial Park No. 2, Xinbei District, Changzhou, Jiangsu Patentee after: TRINA SOLAR Co.,Ltd. Patentee after: TRINA SOLAR( CHANGZHOU) TECHNOLOGY Co.,Ltd. Address before: 213031 Tianhe PV Industrial Park No. 2, Xinbei District, Changzhou, Jiangsu Patentee before: TRINA SOLAR Co.,Ltd. |