CN108767046A - A kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell module - Google Patents
A kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell module Download PDFInfo
- Publication number
- CN108767046A CN108767046A CN201810858409.5A CN201810858409A CN108767046A CN 108767046 A CN108767046 A CN 108767046A CN 201810858409 A CN201810858409 A CN 201810858409A CN 108767046 A CN108767046 A CN 108767046A
- Authority
- CN
- China
- Prior art keywords
- welding
- section
- welding section
- photovoltaic
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 278
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 210000004027 cell Anatomy 0.000 description 84
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001360 synchronised 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
- 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
- H01L31/04—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
- H01L31/0516—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 specially adapted for interconnection of back-contact solar cells
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
- Y02E10/52—PV systems with concentrators
Landscapes
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
This application discloses a kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell modules, belong to photovoltaic cell technical field.The photovoltaic welding belt includes at least one set of first welding section and the second welding section, first welding section has reflection function, first welding section and the second welding Duan Jun include matrix and the tin layers that are coated on outside matrix, the cross section of first welding section is non-rectangle, first welding section includes for reflective curved surface, and the second welding section is platypelloid type.The application by by the first welding section of photovoltaic welding belt be set as can be reflective curved surface, second welding section is set as platypelloid type, so that two sections of welding sections are after being soldered to connected two panels cell piece, reflective surface positioned at the positive first welding section of cell piece can realize reflection function, improve the conversion ratio of photovoltaic welding belt, and only need corresponding second welding section carrying out pressing processing when generating welding, the method for producing the photovoltaic welding belt for having features described above is simple, efficient.
Description
Technical field
The invention belongs to photovoltaic cell technical field, be related to a kind of photovoltaic welding belt and manufacturing method, solar cell string and
Solar cell module.
Background technology
Conventional photovoltaic cell, such as monocrystalline silicon battery, polycrystal silicon cell, N-type cell, HIT (hetero-junction solar cell), all
With a kind of electrode structural designs of tow sides.Wherein front electrode includes two funtion parts, respectively thin grid line and remittance
Galvanic electricity pole (also referred to as main gate line), then thin grid line is pooled on bus electrode and exports again for collecting photogenerated current；Backplate
Including back surface field and back side bus electrode, back surface field is for carrying out passivating back and reflection；Back side bus electrode and front
Bus electrode setting symmetrical above and below, number of locations is all consistent, when being connected into big module (the having 60 or 72 etc. of standard),
The bus electrode of positive and negative is welded by photovoltaic welding belt (such as tin-coated copper bandlet), realizes the series connection of battery unit.This
Kind of technique and relevant production units are simple in structure, stable technical process is good, large-scale production and popularization for photovoltaic products
Using playing very big facilitation.
But increasing with cell piece grid line quantity, the welding quantity needed can also increase, some people use thin circle
Welding, but contact of the circle welding with cell piece belongs to line and contacts, the contact area of cell piece and welding is small to lead to internal resistance liter
Height influences the power of component, and traditional flat welding can occupy more cell piece light-receiving area, can also influence to generate
The power of component.
Invention content
In order to which the circle welding for solving thin in the related technology can cause internal resistance to increase, the power of component is influenced, and platypelloid type
Welding can then occupy more cell piece light-receiving area, can also influence generate component power the problem of, this application provides
A kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell module.Its specific technical solution is as follows：
In a first aspect, this application provides a kind of photovoltaic welding belt, the photovoltaic welding belt include at least one set of first welding section and
Second welding section, the first welding section have reflection function, and the first welding section and the second welding Duan Jun include matrix and be coated on base
The cross section of external tin layers, the first welding section is non-rectangle, and the first welding section includes for reflective curved surface, the second welding
Section is platypelloid type.
By by the first welding section of photovoltaic welding belt be set as can be reflective curved surface, the second welding section is set as platypelloid type,
So that two sections of welding sections after being soldered to connected two panels cell piece, are located at the reflective of the positive first welding section of cell piece
Curved surface can realize reflection function, improve the conversion ratio of photovoltaic welding belt, and only need corresponding second when generating welding
Welding section carries out pressing processing, and the method for producing the photovoltaic welding belt for having features described above is simple, efficient.
Optionally, the first welding section further includes the bottom surface for welding cell piece main gate line.By the way that the first welding section is set
The bottom surface that can be used for being soldered to cell piece main gate line is set, the welding quality that welding is soldered to cell piece is improved.
Optionally, the cross section of the first welding section is triangle, and it includes first that reflective curved surface is used in the first welding section
The bottom surface of curved surface and the second curved surface, first surface, the second curved surface and the first welding section forms tri-prismoid.By the way that first is welded
Band section is set as tri-prismoid, improves the reflecting rate of the first welding section.
Optionally, the cross section of the first welding section is semicircle, and it is that circular arc is bent that reflective curved surface is used in the first welding section
Face.By setting the first welding section to circular arc camber for reflective curved surface, the reflecting rate of the first welding section is improved.
Optionally, the cross section of the first welding section is circle, and the first welding section is cylinder.
Optionally, photovoltaic welding belt further includes the third welding section being connected between the first welding section and the second welding section, the
The shape of three welding sections is identical as the shape of the second welding section.Pass through the shape of third welding section is arranged and the second welding section
Shape it is identical so that can more second welding sections and the corresponding untreated welding of third welding section carry out pressing processing, simplify
Process flow.
Second aspect, present invention also provides a kind of solar cell string, which includes at least two electricity
Such as first aspect of pond piece and at least one section and first aspect is various respectively selects the photovoltaic welding belt provided in mode, wherein：Photovoltaic welds
The bottom surface of first welding section of band is welded in the positive main gate line of the first cell piece of two neighboring cell piece, photovoltaic welding belt
The bottom surface of second welding section is welded in the main gate line at the second cell piece back side of two neighboring cell piece.
Welding by will be provided with reflection function is soldered in the main gate line of cell piece to realize the series connection of cell piece, is improved
The conversion ratio of photovoltaic welding belt.
The third aspect, present invention also provides a kind of solar cell module, which includes at least one
The string solar cell string that such as second aspect provides, and the interconnecting strip for interconnecting the end of multigroup solar cell string.
When designing solar cell module, the solar cell string provided using above-mentioned second aspect is substantially increased
The conversion ratio of solar cell module.
Fourth aspect, present invention also provides a kind of manufacturing method of photovoltaic welding belt, which includes：It draws and cuts out
The initial welding of predetermined length is cut, the initial welding of predetermined length includes at least one set of first welding section and the second welding section, the
One welding section has a reflection function, and the first welding section and the second welding Duan Jun include matrix and the tin layers that are coated on outside matrix；It will
Second welding section of the initial welding of predetermined length carries out pressing processing.
By the way that the second welding section is carried out pressing processing, the photovoltaic welding belt for the feature that first aspect offer is provided is simplified
Production procedure improves the production efficiency of photovoltaic welding belt.
Optionally, the initial welding of predetermined length further includes the third being connected between the first welding section and the second welding section
Welding section, manufacturing method further include：The third welding section of the initial welding of predetermined length is also subjected to pressing processing.
By the way that third welding section is also carried out pressing processing, at the pressing that can make the second welding section and third welding section
Reason is synchronous to be carried out, and the treatment effeciency of welding is improved.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Invention.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Figure 1A is the structural schematic diagram of the photovoltaic welding belt provided in the application one embodiment；
Figure 1B is the structural schematic diagram of the photovoltaic welding belt provided in the application another embodiment；
Fig. 2 is the side schematic view of the solar cell string provided in the application one embodiment；
Fig. 3 is view of the solar cell string shown in Fig. 2 in the sides A.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
In order to improve the conversion ratio of solar cell module, the application has carried out spy to the welding in solar cell module
Different design.Solar cell module, solar cell string and photovoltaic welding belt illustrate with reference to Figure 1A to Fig. 3
It is bright.
Solar cell module provided by the present application includes interconnecting strip and at least a string of solar cell strings, and interconnecting strip will
The end of multigroup solar cell string is interconnected, by interconnecting strip interconnect a plurality of solar cell string in the way of belong to this field
What technical staff can realize, it just repeats no more here.
In general, solar cell string is by photovoltaic welding belt by multi-disc cell piece (being generally at least two panels cell piece)
Interconnect obtained battery strings.For example, utilizing i-th photovoltaic welding belt to play i-th cell piece and i+1 piece welding of battery film successively
Come, until the cell piece quantity in the battery strings welded meets the requirement of battery strings.That is, utilizing the 1st article of photovoltaic
1st cell piece and the 2nd welding of battery film are together in series by welding, using the 2nd article of photovoltaic welding belt by the 2nd cell piece and
3 welding of battery film are together in series, and the 3rd cell piece and the 4th welding of battery film are connected using the 3rd article of photovoltaic welding belt
Come, and so on, until the cell piece quantity in the battery strings welded meets the requirement of battery strings.
When using photovoltaic welding belt welding series connection two panels cell piece, the first welding section of usually photovoltaic welding belt is welded on phase
In the positive main gate line of the first cell piece of adjacent two panels cell piece, the second welding section of photovoltaic welding belt is welded on two neighboring battery
In the main gate line at the second cell piece back side of piece.
Photovoltaic welding belt provided by the present application includes at least one set of first welding section and the second welding section, wherein the first welding
Section and the second welding Duan Jun include matrix and the tin layers that are coated on outside matrix.When photovoltaic welding belt to be soldered on cell piece, lead to
High-temperature heating is crossed, tin layers can be melted to bond the grid line of the matrix of photovoltaic welding belt and cell piece, the matrix of photovoltaic welding belt
It is used for transmission the electric current for collecting and being collected on cell piece.
For the ease of bonding, the first welding section of photovoltaic welding belt provided herein includes for welding cell piece front
The bottom surface of main gate line, the second welding section are platypelloid type, include the bottom surface for welding cell piece back side main gate line.That is,
When welding concatenated two panels cell piece using photovoltaic welding belt, the bottom surface of the first welding section of photovoltaic welding belt is welded on two neighboring
In the positive main gate line of the first cell piece of cell piece, the bottom surface of the second welding section of photovoltaic welding belt is welded on two neighboring battery
In the main gate line at the second cell piece back side of piece.
First welding section has for reflective curved surface, to improve reflecting rate.In double wave photovoltaic cell component, the second weldering
Can also have reflection function with the surfaces for being soldered to cell piece main gate line Duan Wei.
In an optional implementation manner, the second welding section is platypelloid type, to ensure both ends welding section convenient for welding
Back side main grid with the second cell piece of the front main grid line of the first cell piece in adjacent cell piece and adjacent cell piece respectively on one side
Line is welded.
The cross section of first welding section is non-rectangle, is referred to shown in Figure 1A to Figure 1B, is that the application part is implemented
The structural schematic diagram of the two kinds of photovoltaic welding belts provided in example.The cross section of first welding section 11 of the photovoltaic welding belt in Figure 1A is three
It is angular, for reflective curved surface include first surface and the second curved surface in the first welding section 11, first surface, the second curved surface and
The bottom surface of first welding section 11 forms tri-prismoid.Optionally, the triangle of the cross section formation of the first welding section 11 can be
The triangle of standard, or side is the class triangle of curve.That is, any one of first surface and the second curved surface
It can be plane, or curved surface.Further, the second welding section 12 is platypelloid type.Such as second welding section 12 it is transversal
Face can be rectangle, and as shown in Figure 1A, the cross section of the second welding section may be the shapes such as trapezoidal.
The cross section of first welding section 21 of the photovoltaic welding belt in Figure 1B is arch, is used in the first welding section 21 reflective
Curved surface is circular arc camber.Optionally, the angle corresponding to arch that the cross section of the first welding section 21 is formed can be acute angle, straight
Angle, obtuse angle or 180 °, it is clear that the angle corresponding to arch that the cross section of the first welding section 21 is formed can also be more than 180 °.
Further, the second welding section 22 is platypelloid type.Such as second welding section 12 cross section can be rectangle, such as Figure 1B institutes
Show, likewise, the cross section of the second welding section may be the shapes such as trapezoidal.
In another optional realization method, the cross section of the first welding section of photovoltaic welding belt is circle, the first welding
Section is platypelloid type.Such as second the cross section of welding section can be rectangle or the shapes such as trapezoidal.
By by the first welding section of photovoltaic welding belt be set as can be reflective curved surface, the second welding section is set as platypelloid type,
So that two sections of welding sections after being soldered to connected two panels cell piece, are located at the reflective of the positive first welding section of cell piece
Curved surface can realize reflection function, improve the conversion ratio of photovoltaic welding belt, and only need corresponding second when generating welding
Welding section carries out pressing processing, and the method for producing the photovoltaic welding belt for having features described above is simple, efficient.
Optionally, photovoltaic welding belt further includes at least one section of third welding section, every section of third welding Duan Yuyi first welding of group
Section and the second welding section form one section of welding section for welding, and the third welding section in this section of welding section is connected to the with group
Between one welding section and the second welding section.
The side that solar cell string is formed by the photovoltaic welding belt welding multi-disc cell piece using above-mentioned shape can be with
Referring to Fig. 2, third welding section 33 can be identical as the shape of the second welding section 32 in photovoltaic welding belt in wherein Fig. 2.Such case
Under, in manufacture craft, the second welding section 32 and third welding section 33 can synchronize progress when making, namely simultaneously by into
Row pressing is handled, to simplify the pressing treatment effeciency of welding.The third welding section of platypelloid type can ensure institute as far as possible
The depth of parallelism of the adjacent two panels cell piece of connection, reduces fragment rate when welding.
By taking the first welding section is triangle reflective solder strip as an example, solar cell string regarding in the sides A shown in Fig. 2 is being utilized
Figure may refer to shown in Fig. 3, and the bottom surface of the first welding section 31 is welded on the front main grid line in preceding cell piece of adjacent cell piece
On, the bottom surface of the second welding section 32 of platypelloid type be welded on adjacent cell piece in the main gate line at the back side of rear cell piece.
In conclusion solar cell module provided by the present application, solar cell string and photovoltaic welding belt, by light
The shape of volt welding has carried out special designing so that and the photovoltaic welding belt for connecting the welding of cell piece front has reflection function,
Under the premise of guaranteeing to realize high-quality welding, the conversion ratio of photovoltaic welding belt is improved.
In addition, present invention also provides a kind of manufacturing method of photovoltaic welding belt, which includes：It draws and cuts pre-
The initial welding of the initial welding of measured length, predetermined length includes at least one set of first welding section and the second welding section, the first weldering
Band section has a reflection function, and the first welding section and the second welding Duan Jun include matrix and the tin layers that are coated on outside matrix；It will make a reservation for
Second welding section of the initial welding of length carries out pressing processing.
In one possible implementation, the initial welding of the predetermined length further includes being connected to the first welding section and
Second welding section of the initial welding of predetermined length is also being carried out pressing processing by the third welding section between two welding sections.
In conclusion the manufacturing method of photovoltaic welding belt provided by the present application, by the way that the second welding section is carried out pressing processing,
The production procedure for simplifying the photovoltaic welding belt for the feature for having first aspect offer, improves the production efficiency of photovoltaic welding belt.
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice the invention invented here
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and includes the common knowledge in the art that the present invention does not invent
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the invention is not limited in the precision architectures for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of photovoltaic welding belt, which is characterized in that the photovoltaic welding belt includes at least one set of first welding section and the second welding section,
The first welding section has reflection function, and the first welding section and the second welding Duan Jun include matrix and be coated on institute
The tin layers outside matrix are stated, the cross section of the first welding section is non-rectangle, and the first welding section includes for reflective
Curved surface, the second welding section are platypelloid type.
2. photovoltaic welding belt according to claim 1, which is characterized in that the first welding section further includes for welding battery
The bottom surface of piece main gate line.
3. photovoltaic welding belt according to claim 2, which is characterized in that the cross section of the first welding section is triangle,
For reflective curved surface include first surface and the second curved surface in the first welding section, it is the first surface, described second bent
Face and the bottom surface of the first welding section form tri-prismoid.
4. photovoltaic welding belt according to claim 1, which is characterized in that the cross section of the first welding section is semicircle,
It is circular arc camber that reflective curved surface is used in the first welding section.
5. photovoltaic welding belt according to claim 1, which is characterized in that the cross section of the first welding section is circle, institute
It is cylinder to state the first welding section.
6. according to any photovoltaic welding belt in claim 1 to 5, which is characterized in that the photovoltaic welding belt further includes connection
Third welding section between the first welding section and the second welding section, the shape of the third welding section and described the
The shape of two welding sections is identical.
7. a kind of solar cell string, which is characterized in that the solar cell string includes at least two cell pieces and at least one
Photovoltaic welding belt of the section as described in any in claim 1-6, wherein：
The bottom surface of first welding section of the photovoltaic welding belt is welded on the positive main grid of the first cell piece of two neighboring cell piece
On line, the bottom surface of the second welding section of the photovoltaic welding belt is welded on the second cell piece back side of the two neighboring cell piece
In main gate line.
8. a kind of solar cell module, which is characterized in that the solar cell module includes at least a string such as claim 7
The solar cell string, and the interconnecting strip for interconnecting the end of multigroup solar cell string.
9. a kind of manufacturing method of photovoltaic welding belt, which is characterized in that the manufacturing method includes：
The initial welding of predetermined length is drawn and cuts, the initial welding of the predetermined length includes at least one set of first welding section
With the second welding section, the first welding section has reflection function, and the first welding section and the second welding Duan Jun include
Matrix and the tin layers being coated on outside described matrix；
Second welding section of the initial welding of the predetermined length is subjected to pressing processing.
10. manufacturing method according to claim 9, which is characterized in that the initial welding of the predetermined length further includes connection
Third welding section between the first welding section and the second welding section, the manufacturing method further include：
The third welding section of the initial welding of the predetermined length is also subjected to pressing processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858409.5A CN108767046B (en) | 2018-07-31 | 2018-07-31 | Photovoltaic solder strip, manufacturing method, solar cell string and solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858409.5A CN108767046B (en) | 2018-07-31 | 2018-07-31 | Photovoltaic solder strip, manufacturing method, solar cell string and solar cell module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108767046A true CN108767046A (en) | 2018-11-06 |
| CN108767046B CN108767046B (en) | 2024-03-01 |
Family
ID=63968372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810858409.5A Active CN108767046B (en) | 2018-07-31 | 2018-07-31 | Photovoltaic solder strip, manufacturing method, solar cell string and solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108767046B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309135A (en) * | 2018-11-09 | 2019-02-05 | 武宇涛 | Photovoltaic cell mould group and preparation method thereof |
| CN109346548A (en) * | 2018-11-27 | 2019-02-15 | 英利能源（中国）有限公司 | Photovoltaic module welding and photovoltaic module |
| CN109616540A (en) * | 2019-01-30 | 2019-04-12 | 浙江晶科能源有限公司 | A kind of battery strings and a kind of photovoltaic module |
| CN110676345A (en) * | 2019-09-20 | 2020-01-10 | 黄河水电光伏产业技术有限公司 | Splicing method and assembly of crystalline silicon solar cell string |
| CN111446321A (en) * | 2020-01-20 | 2020-07-24 | 宁波森联光电科技有限公司 | Conductive tape, photovoltaic device and application |
| CN111668332A (en) * | 2019-03-07 | 2020-09-15 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module and method for manufacturing same |
| CN112216754A (en) * | 2019-07-09 | 2021-01-12 | 苏州阿特斯阳光电力科技有限公司 | Conductive piece and manufacturing method thereof, photovoltaic module and manufacturing method thereof |
| CN112271236A (en) * | 2020-10-23 | 2021-01-26 | 无锡先导智能装备股份有限公司 | Battery string continuous preparation mode and battery string preparation equipment |
| CN114141889A (en) * | 2021-10-21 | 2022-03-04 | 宁波尤利卡太阳能股份有限公司 | Structure of solar cell module and preparation method thereof |
| CN114512572A (en) * | 2022-02-18 | 2022-05-17 | 浙江爱旭太阳能科技有限公司 | Solder strip prefabricated part and production method thereof, and solder strip and production method thereof |
| CN115602745A (en) * | 2022-10-27 | 2023-01-13 | 安徽华晟新能源科技有限公司（Cn） | Solder strip piece, manufacturing method thereof and photovoltaic module |
| US20230066924A1 (en) * | 2021-08-25 | 2023-03-02 | Shanghai Jinko Green Energy Enterprise Management Co., Ltd. | Solder strip and solar cell module |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005191201A (en) * | 2003-12-25 | 2005-07-14 | Kyocera Corp | Inner lead for connecting solar cell element, solar cell module and its production method |
| CN202917527U (en) * | 2012-09-25 | 2013-05-01 | 阿特斯(中国)投资有限公司 | Hybrid-welded solar component |
| CN203071086U (en) * | 2013-01-11 | 2013-07-17 | 阿特斯(中国)投资有限公司 | Solar battery assembly |
| WO2014173331A1 (en) * | 2013-04-27 | 2014-10-30 | Shenzhen Byd Auto R&D Company Limited | Welding strip for solar battery and solar battery assembly |
| CN106024992A (en) * | 2016-07-29 | 2016-10-12 | 英利集团有限公司 | Method for preparing high efficiency photovoltaic component |
| CN206657815U (en) * | 2017-01-12 | 2017-11-21 | 保定易通光伏科技股份有限公司 | Photovoltaic welding belt and photovoltaic module |
| CN207664054U (en) * | 2018-01-17 | 2018-07-27 | 宁波森联光电科技有限公司 | A kind of more main grids, without main grid photovoltaic module segmentation reflective solder strip |
| CN208589456U (en) * | 2018-07-31 | 2019-03-08 | 无锡奥特维科技股份有限公司 | A kind of photovoltaic welding belt, solar battery string and solar cell module |
-
2018
- 2018-07-31 CN CN201810858409.5A patent/CN108767046B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005191201A (en) * | 2003-12-25 | 2005-07-14 | Kyocera Corp | Inner lead for connecting solar cell element, solar cell module and its production method |
| CN202917527U (en) * | 2012-09-25 | 2013-05-01 | 阿特斯(中国)投资有限公司 | Hybrid-welded solar component |
| CN203071086U (en) * | 2013-01-11 | 2013-07-17 | 阿特斯(中国)投资有限公司 | Solar battery assembly |
| WO2014173331A1 (en) * | 2013-04-27 | 2014-10-30 | Shenzhen Byd Auto R&D Company Limited | Welding strip for solar battery and solar battery assembly |
| CN106024992A (en) * | 2016-07-29 | 2016-10-12 | 英利集团有限公司 | Method for preparing high efficiency photovoltaic component |
| CN206657815U (en) * | 2017-01-12 | 2017-11-21 | 保定易通光伏科技股份有限公司 | Photovoltaic welding belt and photovoltaic module |
| CN207664054U (en) * | 2018-01-17 | 2018-07-27 | 宁波森联光电科技有限公司 | A kind of more main grids, without main grid photovoltaic module segmentation reflective solder strip |
| CN208589456U (en) * | 2018-07-31 | 2019-03-08 | 无锡奥特维科技股份有限公司 | A kind of photovoltaic welding belt, solar battery string and solar cell module |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309135A (en) * | 2018-11-09 | 2019-02-05 | 武宇涛 | Photovoltaic cell mould group and preparation method thereof |
| CN109346548A (en) * | 2018-11-27 | 2019-02-15 | 英利能源（中国）有限公司 | Photovoltaic module welding and photovoltaic module |
| CN109616540A (en) * | 2019-01-30 | 2019-04-12 | 浙江晶科能源有限公司 | A kind of battery strings and a kind of photovoltaic module |
| CN109616540B (en) * | 2019-01-30 | 2024-04-12 | 浙江晶科能源有限公司 | Battery string and photovoltaic module |
| CN111668332A (en) * | 2019-03-07 | 2020-09-15 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module and method for manufacturing same |
| CN112216754B (en) * | 2019-07-09 | 2022-08-09 | 苏州阿特斯阳光电力科技有限公司 | Conductive piece and manufacturing method thereof, photovoltaic module and manufacturing method thereof |
| CN112216754A (en) * | 2019-07-09 | 2021-01-12 | 苏州阿特斯阳光电力科技有限公司 | Conductive piece and manufacturing method thereof, photovoltaic module and manufacturing method thereof |
| WO2021004146A1 (en) * | 2019-07-09 | 2021-01-14 | 苏州阿特斯阳光电力科技有限公司 | Conductive member and manufacturing method therefor, and photovoltaic assembly and manufacturing method therefor |
| EP3998640A4 (en) * | 2019-07-09 | 2022-08-10 | CSI Cells Co., Ltd. | Conductive member and manufacturing method therefor, and photovoltaic assembly and manufacturing method therefor |
| CN110676345A (en) * | 2019-09-20 | 2020-01-10 | 黄河水电光伏产业技术有限公司 | Splicing method and assembly of crystalline silicon solar cell string |
| CN111446321A (en) * | 2020-01-20 | 2020-07-24 | 宁波森联光电科技有限公司 | Conductive tape, photovoltaic device and application |
| CN112271236A (en) * | 2020-10-23 | 2021-01-26 | 无锡先导智能装备股份有限公司 | Battery string continuous preparation mode and battery string preparation equipment |
| US20230066924A1 (en) * | 2021-08-25 | 2023-03-02 | Shanghai Jinko Green Energy Enterprise Management Co., Ltd. | Solder strip and solar cell module |
| CN114141889A (en) * | 2021-10-21 | 2022-03-04 | 宁波尤利卡太阳能股份有限公司 | Structure of solar cell module and preparation method thereof |
| CN114512572A (en) * | 2022-02-18 | 2022-05-17 | 浙江爱旭太阳能科技有限公司 | Solder strip prefabricated part and production method thereof, and solder strip and production method thereof |
| CN114512572B (en) * | 2022-02-18 | 2024-03-29 | 深圳赛能数字能源技术有限公司 | Solder strip prefabricated part and production method thereof, solder strip and production method thereof |
| CN115602745A (en) * | 2022-10-27 | 2023-01-13 | 安徽华晟新能源科技有限公司（Cn） | Solder strip piece, manufacturing method thereof and photovoltaic module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108767046B (en) | 2024-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108767046A (en) | A kind of photovoltaic welding belt and manufacturing method, solar cell string and solar cell module | |
| CN208589456U (en) | A kind of photovoltaic welding belt, solar battery string and solar cell module | |
| CN106206817A (en) | Solar module and preparation method thereof | |
| CN208240702U (en) | Solar cell module | |
| CN108231952B (en) | Photovoltaic cell module and preparation process thereof | |
| CN107799615B (en) | Solar cell unit, photovoltaic cell module and preparation process thereof | |
| CN108987516A (en) | Latticed two-sided direct-connected solar cell module and preparation method | |
| CN107170844A (en) | A kind of solar battery sheet and photovoltaic module without main grid | |
| CN210692545U (en) | Photovoltaic module without main grid | |
| CN108767045A (en) | Photovoltaic welding belt and manufacturing method, solar cell string and solar cell module | |
| CN205985031U (en) | High -efficient solar energy does not have main grid line crystal silicon battery piece | |
| CN209119142U (en) | The tooling of welding in solar cell module and the processing component | |
| CN112768539A (en) | Photovoltaic double-sided battery typesetting and assembling method thereof | |
| CN204966519U (en) | Photovoltaic solar cell subassembly welds area | |
| CN106356430A (en) | Preparation method of double-faced generating type double-glass photovoltaic module | |
| CN109309135A (en) | Photovoltaic cell mould group and preparation method thereof | |
| CN110634987A (en) | Multi-main-grid welding and automatic packaging method for efficient solar cell | |
| CN206834184U (en) | A kind of solar battery sheet and photovoltaic module of no main grid | |
| CN108987510A (en) | The direct-connected solar cell module of latticed single side and preparation method | |
| CN208589457U (en) | Photovoltaic welding belt, solar battery string and solar cell module | |
| CN108922934A (en) | Two-sided direct-connected solar cell module and preparation method | |
| CN206727078U (en) | Efficient dereliction grid cell piece solar components | |
| CN208157434U (en) | A kind of photovoltaic welding belt and photovoltaic module | |
| CN208753350U (en) | Latticed two-sided direct-connected solar cell module | |
| CN105185857B (en) | Photovoltaic solar cell assembly welding band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |