CN208753349U - Photovoltaic glass and photovoltaic module - Google Patents
Photovoltaic glass and photovoltaic module Download PDFInfo
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- CN208753349U CN208753349U CN201821780189.0U CN201821780189U CN208753349U CN 208753349 U CN208753349 U CN 208753349U CN 201821780189 U CN201821780189 U CN 201821780189U CN 208753349 U CN208753349 U CN 208753349U
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- photovoltaic glass
- photovoltaic
- cell piece
- glass
- placing groove
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- 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
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Abstract
The present disclosure provides a photovoltaic glass and a photovoltaic module. The photovoltaic glass is used for packaging a cell piece assembly of a photovoltaic assembly, the first surface of the photovoltaic glass is used for being matched with the cell piece assembly, and the first surface is provided with a welding strip placing groove used for containing a welding strip of the cell piece assembly and/or a bus bar placing groove used for containing a bus bar of the cell piece assembly. The photovoltaic glass and the photovoltaic module can reduce the phenomena of hidden cracking, fragment and the like of the battery piece during packaging and laminating of the photovoltaic module, improve the yield and quality of products, reduce the thickness of the packaging adhesive film layer, reduce the using amount of packaging materials and reduce the cost of the module.
Description
Technical field
This disclosure relates to solar energy generation technology field, in particular to a kind of photovoltaic glass and photovoltaic module.
Background technique
Photovoltaic power generation technology is the photovoltaic effect using interface and solar energy is directly translated into electric energy
A kind of generation technology.Photovoltaic power generation has been subjected to the extensive concern of countries in the world at present, has been developed as a new industry.
Photovoltaic module is made of connecting several monomer solar battery series and parallels and tightly encapsulating, and is realization photovoltaic power generation minimum
Indivisible photovoltaic cell combination unit.
The welding of battery film of general photovoltaic module is connected, and is that a number of cell piece is lined up battery strings, cell piece
Between by the weldering of welding list, series welding, the front electrode of preceding a piece of battery is connected with rear a piece of cell backside electrode to heat and is welded
Together, and so on, blocks of cell piece is together in series and forms battery strings, then arranges the battery strings being welded
Version is simultaneously welded with busbar, and busbar exit is connected with the bypass diode etc. in terminal box, draws positive and negative electrode, then pass through
A series of establishment of component techniques ultimately form photovoltaic module.
Single glass photovoltaic module generally takes " photovoltaic glass/packaging plastic film layer/cell piece/packaging plastic film layer/backboard " this
Interlayer structure, while surrounding installs frame additional, to guarantee the mechanical performance of component and be easily installed.And double glass photovoltaic modulies are taken
" foreboard photovoltaic glass/packaging plastic film layer/cell piece/packaging plastic film layer/backboard photovoltaic glass " this interlayer structure, around not
Install frame additional.
Utility model content
The disclosure is designed to provide a kind of photovoltaic glass and photovoltaic module.
Disclosure first aspect provides a kind of photovoltaic glass, for the cell piece component of encapsulated photovoltaic module, the photovoltaic
The first surface of glass is used to cooperate with the cell piece component, and the first surface is provided with for accommodating the cell piece group
The busbar placing groove of the welding placing groove of the welding of part and/or the busbar for accommodating the cell piece component.
In some embodiments, the welding placing groove is connected to the busbar placing groove.
In some embodiments, the photovoltaic glass further includes the opening for wearing conductor, the opening and the remittance
Stream placing groove connection.
In some embodiments, the photovoltaic glass is rectangular, the first edge being arranged with two parallel intervals and company
The second edge of two parallel intervals setting of two first edges is connect, a plurality of welding placing groove is along the photovoltaic glass
The extending direction parallel interval of the first edge of glass is arranged, and the busbar placing groove is located at the second edge.
In some embodiments, two busbar placing grooves are set in parallel in two second of the photovoltaic glass
Edge.
In some embodiments, the photovoltaic glass is anti reflection glass.
In some embodiments, the first surface of the photovoltaic glass has flannelette micro-structure.
Disclosure second aspect provides a kind of photovoltaic module, including cell piece component and for encapsulating the cell piece component
Photovoltaic glass, the cell piece component includes multiple cell pieces, the welding of the connection cell piece and the connection welding
Busbar, the photovoltaic glass are the described in any item photovoltaic glass of disclosure first aspect, and the welding is put with the welding
It sets slot cooperation and/or the busbar and the busbar mounting groove cooperates.
In some embodiments, the photovoltaic glass of the photovoltaic module includes being set on front side of the cell piece component
Foreboard photovoltaic glass and be set to the cell piece component rear side backboard photovoltaic glass, the photovoltaic module further includes setting
The preceding packaging plastic film layer that is placed between the foreboard photovoltaic glass and the cell piece component and it is set to the backboard photovoltaic glass
Post package adhesive film between glass and the cell piece component.
In some embodiments, which is characterized in that the backboard photovoltaic glass includes the opening for wearing conductor, described
Opening is connected to the busbar placing groove of the backboard photovoltaic glass.
Based on the disclosure provide photovoltaic glass and photovoltaic module, photovoltaic component encapsulating be laminated when make cell piece component with
The welding of the corresponding side of photovoltaic glass can be correspondingly embedded in welding placing groove, and cell piece component is corresponding with photovoltaic glass
The busbar at the battery strings both ends of side can be correspondingly embedded in busbar placing groove, so as to reduce photovoltaic component encapsulating
When lamination phenomena such as cell piece crack, fragmentation, product yield and quality are improved, can also be reduced with the thickness of low packaging plastic film layer
Encapsulating material dosage reduces component cost.
By the detailed description referring to the drawings to the exemplary embodiment of the disclosure, the other feature of the disclosure and its
Advantage will become apparent.
Detailed description of the invention
Attached drawing described herein is used to provide further understanding of the disclosure, constitutes part of this application, this public affairs
The illustrative embodiments and their description opened do not constitute the improper restriction to the disclosure for explaining the disclosure.In the accompanying drawings:
Fig. 1 is the configuration schematic diagram in a direction of the photovoltaic module of the embodiment of the present disclosure.
Fig. 2 is the partial enlargement structural representation of Fig. 1.
Fig. 3 is that photovoltaic module shown in FIG. 1 removes the structural schematic diagram after foreboard photovoltaic glass.
Fig. 4 is the structural schematic diagram of the first surface of the foreboard photovoltaic glass of photovoltaic module shown in FIG. 1.
Fig. 5 is the partial enlargement structural representation of Fig. 4.
Fig. 6 is the structural schematic diagram of the first surface of the backboard photovoltaic glass of photovoltaic module shown in FIG. 1
Into Fig. 6, each appended drawing reference respectively represents Fig. 1:
10, foreboard photovoltaic glass；
11, foreboard welding placing groove；
12 foreboard busbar placing grooves；
20, preceding packaging plastic film layer；
30, cell piece component；
31, cell piece；
32, welding；
33, busbar；
40, post package adhesive film；
50, backboard photovoltaic glass.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the present disclosure processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the disclosure, it is to be understood that limit components using the words such as " first ", " second ", only
It is merely for convenience of distinguishing corresponding components, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as the limitation to disclosure protection scope.
In the following description, so-called " preceding " to refer to side of the photovoltaic module towards sunlight；" rear " refer to
" preceding " opposite side.
In implementing the present disclosure, designer has found that the positive and negative of double glass photovoltaic modulies are all made of photovoltaic glass
Encapsulation, photovoltaic glass are rigid material, photovoltaic module when encapsulating lamination, due on the positive and negative surface of cell piece component just,
Negative electrode is welded with welding, there are certain altitudes welding surface and cell piece surface poor, one aliquation of photovoltaic glass with rigidity
There are biggish stress when pressure, easily lead to cell piece crack, fragmentation problem, influence properties of product.It generallys use in the prior art
The thickness for increasing packaging plastic film layer solves the problems, such as this, but packaging plastic film layer thickens consumptive material is caused to increase, and will increase accordingly
The cost of photovoltaic module.
To solve aforementioned technical problem, the disclosure provides a kind of photovoltaic glass and photovoltaic module.As shown in Figures 1 to 6, originally
The photovoltaic glass that open embodiment provides, for the cell piece component 30 of encapsulated photovoltaic module, the first surface of photovoltaic glass is used
Cooperate in cell piece component 30, first surface is provided with the welding placing groove of the welding 32 for accommodating cell piece component 30
And/or the busbar placing groove of the busbar 33 for accommodating cell piece component 30.
After the photovoltaic glass, photovoltaic component encapsulating makes cell piece component 30 corresponding with photovoltaic glass one when being laminated
The welding 32 of side can be correspondingly embedded in welding placing groove, the battery strings of the side corresponding with photovoltaic glass of cell piece component 30
The busbar 33 at both ends can be correspondingly embedded in busbar placing groove, battery when so as to reduce photovoltaic component encapsulating lamination
Phenomena such as 31 crack of piece, fragmentation, improves product yield and quality, can also reduce encapsulating material with the thickness of low packaging plastic film layer
Dosage reduces component cost.
As shown in Fig. 1 to Fig. 2, fig. 4 to fig. 6, in some embodiments, welding placing groove is connected to busbar placing groove.
The setting can be such that welding 32 and busbar 33 itself and junction is in groove, therefore, similarly serve to favor and reduce photovoltaic group
Part encapsulates phenomena such as 31 crack of cell piece, fragmentation when being laminated, improves product yield and quality, reduces the thickness of packaging plastic film layer,
It reduces encapsulating material dosage, reduce component cost.
As shown in Figure 3 and Figure 6, in some embodiments, photovoltaic glass further includes the opening 53 for wearing conductor, opening
53 are connected to busbar placing groove.The setting of opening 53 is conducive to busbar 33 and the wiring of the photovoltaic module using the photovoltaic glass
The connection of the electrical components such as box.
As shown in Figures 4 to 6, in some embodiments, photovoltaic glass is rectangular, the with the setting of two articles of parallel intervals
The second edge of two parallel intervals setting of two first edges in one edge and connection, a plurality of welding placing groove is along photovoltaic glass
First edge the setting of extending direction parallel interval, busbar placing groove is located at second edge.
In some embodiments, two busbar placing grooves are set in parallel at two second edges of photovoltaic glass.
As shown in Figures 3 to 6, first edge can for square light lie prostrate glass long side, two of the up and down direction corresponding to fig. 4 to fig. 6
A edge；Second edge is the short side of rectangular photovoltaic glass, two edges corresponding to the left and right directions in fig. 4 to fig. 6.
As shown in Figures 1 to 6, the disclosure also provides a kind of photovoltaic module, including cell piece component 30 and for encapsulating electricity
The photovoltaic glass of pond piece component 30, cell piece component 30 include multiple cell pieces 31, the welding 32 for connecting cell piece 31 and connection
The busbar 33 of welding 32, wherein photovoltaic glass is disclosure photovoltaic glass above-mentioned, and welding 32 and welding placing groove cooperate,
Busbar 33 and busbar placing groove cooperate.
The photovoltaic module of the embodiment of the present disclosure and photovoltaic glass above-mentioned advantage having the same.
As depicted in figs. 1 and 2, the photovoltaic glass of photovoltaic module includes the foreboard photovoltaic for being set to 30 front side of cell piece component
The backboard photovoltaic glass 50 of glass 10 and the rear side for being set to cell piece component 30, photovoltaic module further includes being set to foreboard photovoltaic
Preceding packaging plastic film layer 20 between glass 10 and cell piece component 30 and it is set to backboard photovoltaic glass 50 and cell piece component 30
Between post package adhesive film 40.
The photovoltaic module of the embodiment of the present disclosure is encapsulating the welding 32 on the positive and negative surface for making cell piece 31 when lamination
It can just be embedded in the corresponding welding placing groove of corresponding photovoltaic glass, the busbar 33 at battery strings both ends just can be with
It is embedded in the corresponding busbar placing groove of corresponding photovoltaic glass, battery when so as to reduce photovoltaic component encapsulating lamination
Phenomena such as 31 crack of piece, fragmentation, improves product yield and quality, and can reduce the thickness of packaging plastic film layer, reduces encapsulation
Material utilization amount reduces component cost.
The photovoltaic glass and photovoltaic module of the embodiment of the present disclosure are further illustrated below in conjunction with Fig. 1 to Fig. 6.
Foreboard photovoltaic glass 10 is the photovoltaic glass of an embodiment of the present disclosure.As shown in Figure 1, Figure 2, preceding shown in Fig. 4 and Fig. 5
Front side of the plate photovoltaic glass 10 for the cell piece component 30 of encapsulated photovoltaic module.The lower surface of foreboard photovoltaic glass 10 is (corresponding
In first surface) for cooperating with cell piece component 30, first surface is provided with the welding 32 for accommodating cell piece component 30
Foreboard welding placing groove 11 and the busbar 33 for accommodating cell piece component 30 foreboard busbar placing groove 12.Foreboard weldering
Band placing groove 11 is connected to foreboard busbar placing groove 12.
Foreboard photovoltaic glass 10 is rectangular, first edge (long edge) and connection two with the setting of two parallel intervals
The second edge (short edge) of two parallel intervals setting of first edge, a plurality of foreboard welding placing groove 11 is along foreboard photovoltaic glass
The extending direction parallel interval of the first edge of glass 10 is arranged, and two foreboard busbar placing grooves 12 are arranged in parallel and are located at
At two second edges.
Photovoltaic glass is anti reflection glass, and it is (corresponding that the AR antireflective film of anti reflection glass is set to the upper surface of photovoltaic glass
In second surface) on.AR antireflective film, which can be reduced, reflects sunlight.
In some embodiments, the first surface of photovoltaic glass has flannelette micro-structure.Flannelette micro-structure has sunlight
There is anti-reflection effect, the light transmittance of foreboard photovoltaic glass generally requires >=91%.
The photovoltaic glass of the foreboard photovoltaic glass 10 can be tempered glass, or semi-tempered glass.
The position of foreboard welding placing groove 11, quantity, size, depth are real according to the cell piece 31 of cell piece component 30
Border typesetting, the quantity of the positive and negative electrode welding 32 of cell piece 31, position, size and thickness are determining, foreboard welding placing groove
11 direction is connected with cell piece 31, and welding direction is consistent, and foreboard busbar placing groove 12 is located at two of foreboard photovoltaic glass 10
On at short edge, the position of foreboard busbar placing groove 12, size, depth according to 31 layout position of component cell piece, converge
The size and thickness for flowing item 33 determine.Photovoltaic module in use, foreboard photovoltaic glass 10 upper surface face the sun, and
Lower surface with groove is towards cell piece 31.
Foreboard photovoltaic glass 10 is used for the positive encapsulation of double glass photovoltaic modulies in the present embodiment.But the photovoltaic glass of the disclosure
It can also be used for single positive encapsulation of glass photovoltaic module.
Backboard photovoltaic glass 50 is the photovoltaic glass of another embodiment of the disclosure.As shown in Figure 1, Figure 2 and shown in Fig. 6, backboard
Rear side of the photovoltaic glass 50 for the cell piece component 30 of encapsulated photovoltaic module.The upper surface of backboard photovoltaic glass 50 (corresponds to
First surface) for cooperating with cell piece component 30, first surface is provided with the welding 32 for accommodating cell piece component 30
The backboard busbar placing groove 52 of backboard welding placing groove 51 and the busbar 33 for accommodating cell piece component 30.Backboard welding
Placing groove 51 is connected to backboard busbar placing groove 52.
Backboard photovoltaic glass 50 is rectangular, first edge (long edge) and connection two with the setting of two parallel intervals
The second edge (short edge) of two parallel intervals setting of first edge, a plurality of backboard welding placing groove 51 is along backboard photovoltaic glass
The extending direction parallel interval of the first edge of glass 50 is arranged, and two backboard busbar placing grooves 52 are arranged in parallel and are located at
At two second edges.
In addition, be open 53 and backboard as shown in fig. 6, backboard photovoltaic glass 50 further includes the opening 53 for wearing conductor
Busbar placing groove 52 is connected to.
General light transmittance requirement >=88% of backboard photovoltaic glass 50.The lower surface of backboard photovoltaic glass 50 and conventional backboard
Photovoltaic glass is the same, but the specific position in its upper surface is set with the backboard welding placing groove 51 of corresponding welding 32 and corresponds to and converges
Flow the backboard busbar placing groove 52 of item 33.The position of backboard welding placing groove 51, quantity, size, depth are according to battery
The practical typesetting of cell piece 31 of piece component 30, the positive and negative electrode welding 32 of cell piece 31 quantity, position, size and thickness
Degree determines.The direction of backboard welding placing groove is consistent with the series connection of cell piece 31 welding direction.Backboard busbar placing groove 52 is located at
At two short edges of backboard photovoltaic glass 50, the position of backboard busbar placing groove 52, size, depth are according to battery
31 layout position of cell piece of piece component 30, the size of busbar 33 and thickness determine.Draw in photovoltaic module positive and negative electrode
3 openings 53 are distributed on busbar placing groove for one end of attaching wire box out, be open 53 pore size, position is according to busbar
31 typesetting of cell piece of 33 width, cell piece component 30 determines.In use, the upper surface of backboard photovoltaic glass 50 is towards to electricity
Pond piece 31, and lower surface is the back side of photovoltaic module.The backboard photovoltaic glass 50 is used for the encapsulation at double glass photovoltaic module back sides.
In the photovoltaic module of the present embodiment, as depicted in figs. 1 and 2, the photovoltaic glass of photovoltaic module includes being set to battery
The backboard photovoltaic glass 50 of the foreboard photovoltaic glass 10 and the rear side for being set to cell piece component 30 of 30 front side of piece component, foreboard light
It lies prostrate and is connected between glass 10 and cell piece component 30 by preceding packaging plastic film layer 20, backboard photovoltaic glass 50 and cell piece component 30
Between by post package adhesive film 40 connect.
Cell piece component 30 includes multiple cell pieces 31, connects the welding 32 of cell piece 31 and the busbar of connection welding belt 32
33。
The structure of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is as described in the previous embodiment.Cell piece component 30
The foreboard welding placing groove 11 of the lower surface of the welding 32 and foreboard photovoltaic glass 10 of front side cooperates, the confluence of cell piece component 30
33 front side of item and the foreboard busbar placing groove 12 of the lower surface of foreboard photovoltaic glass 10 cooperate.The rear side of cell piece component 30
The backboard welding placing groove 51 of the upper surface of welding 32 and backboard photovoltaic glass 50 cooperates, after the busbar 33 of cell piece component 30
The backboard busbar placing groove 52 of side and the upper surface of backboard photovoltaic glass 50 cooperates.
In the present embodiment, foreboard photovoltaic glass 10 is consistent with the size of backboard photovoltaic glass 50, thickness.Foreboard photovoltaic
The backboard welding placing groove of the foreboard welding placing groove 11 of glass 10, foreboard busbar placing groove 12 and backboard photovoltaic glass 50
51, backboard busbar placing groove 52 mutually corresponds to.
Foreboard photovoltaic glass 10 to several embodiment photovoltaic modulies and its foreboard welding placing groove 11, foreboard confluence below
The position of placing groove 12, quantity, size, depth, corresponding cell piece component 30 corresponding component size backplanes light
Lie prostrate position, quantity, size, depth of glass 50 and its backboard welding placing groove 51, backboard busbar placing groove 52 etc. into
Row explanation.
In one embodiment, each size of photovoltaic module is as follows:
Foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 with a thickness of 2.0mm.
The main grid line number of cell piece 31 is 4 grid；When the series connection welding of cell piece 31, the main grid line number of corresponding cell piece 31,
The radical of welding 32 is 4 on the positive and negative of cell piece 31；Welding 32 with a thickness of 0.23mm or 0.25mm.
As shown in figure 5, the width d4 of the welding placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is according to battery
It is 1.25mm that several 4 grid of 31 main grid of piece, which correspond to width,.The depth of welding placing groove and the thickness of welding 32 correspond to 0.23mm or
0.25mm。
As shown in figure 5, the width d3 of the busbar placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is according to one
As busbar 33 width 6mm or 8mm respectively correspond width be 6.05mm or 8.05mm.
The busbar placement groove depth of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is with 33 consistency of thickness of busbar
0.35mm。
The quantity of welding placing groove is according to electric in cell piece component 30 on foreboard photovoltaic glass 10 and backboard photovoltaic glass 50
The typesetting of pond piece 31 designs, and is 31 main grid number of battery strings number × cell piece, is 6 × 4=12.
As shown in figure 5, welding places the distance that separation d1 is 31 main gate line of cell piece.Spacing d2 is that cell piece 31 is outermost
A piece main grid is to the sum of 2 times of 31 Edge Distance of cell piece and the spacing of battery strings.
The quantity of the busbar placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is 2, is distributed in photovoltaic glass
At two short edges of glass.
Welding placing groove, the length of busbar placing groove, specific position on foreboard photovoltaic glass 10 and backboard photovoltaic glass 50
It sets according to size of components and 31 layout position of cell piece and designs.
In another embodiment, each size of photovoltaic module is as follows:
Foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 with a thickness of 2.5mm.
The main grid line number of cell piece 31 is 5 grid；When the series connection welding of cell piece 31, the main grid line number of corresponding cell piece 31,
The radical of welding 32 is 5 on 31 positive and negative of cell piece；The thickness of welding 32 is generally 0.23mm or 0.25mm.
As shown in figure 5, the width d4 of the welding placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is according to battery
It is 1.05mm that several 5 grid of 31 main grid of piece, which correspond to width,.The depth of welding placing groove and the thickness of welding 32 correspond to 0.23mm or
0.25mm。
As shown in figure 5, the width d3 of the busbar placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is according to one
As busbar 33 width 6mm or 8mm respectively correspond width be 6.05mm or 8.05mm.
The busbar placement groove depth of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is with 33 consistency of thickness of busbar
0.35mm。
The quantity of welding placing groove is according to electric in cell piece component 30 on foreboard photovoltaic glass 10 and backboard photovoltaic glass 50
The typesetting of pond piece 31 designs, and is 31 main grid number of battery strings number × cell piece, is 6 × 5=30.
As shown in figure 5, welding places the distance that separation d1 is 31 main gate line of cell piece.Spacing d2 is that cell piece 31 is outermost
A piece main grid is to the sum of 2 times of 31 Edge Distance of cell piece and the spacing of battery strings.
The quantity of the busbar placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is 2, is distributed in photovoltaic glass
At two short edges of glass.
Welding placing groove, the length of busbar placing groove, specific position on foreboard photovoltaic glass 10 and backboard photovoltaic glass 50
It sets according to size of components and 31 layout position of cell piece and designs.
In yet another embodiment, each size of photovoltaic module is as follows:
Foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 with a thickness of 3.2mm.
The main grid line number of cell piece 31 is 6 grid；When the series connection welding of cell piece 31, the main grid line number of corresponding cell piece 31,
The radical of welding 32 is 6 on 31 positive and negative of cell piece；The thickness of welding 32 is generally 0.23mm or 0.25mm.
As shown in figure 5, the width d4 of the welding placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is according to battery
It is 0.85mm that several 6 grid of 31 main grid of piece, which correspond to width,.The depth of welding placing groove and the thickness of welding 32 correspond to 0.23mm or
0.25mm。
As shown in figure 5, the width d3 of the busbar placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is according to one
As busbar 33 width 6mm or 8mm respectively correspond width be 6.05mm or 8.05mm.
The busbar placement groove depth of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is with 33 consistency of thickness of busbar
0.35mm。
The quantity of welding placing groove is according to electric in cell piece component 30 on foreboard photovoltaic glass 10 and backboard photovoltaic glass 50
The typesetting of pond piece 31 designs, and is 31 main grid number of battery strings number × cell piece, is 6 × 6=36.
As shown in figure 5, welding places the distance that separation d1 is 31 main gate line of cell piece.Spacing d2 is that cell piece 31 is outermost
A piece main grid is to the sum of 2 times of 31 Edge Distance of cell piece and the spacing of battery strings.
The quantity of the busbar placing groove of foreboard photovoltaic glass 10 and backboard photovoltaic glass 50 is 2, is distributed in photovoltaic glass
At two short edges of glass.
Welding placing groove, the length of busbar placing groove, specific position on foreboard photovoltaic glass 10 and backboard photovoltaic glass 50
It sets according to size of components and 31 layout position of cell piece and designs.
The photovoltaic module of the disclosure is used and " is sealed after 20/ cell piece component 30/ of packaging plastic film layer before foreboard photovoltaic glass 10/
Fill glue film/50 " construction packages of backboard photovoltaic glass, foreboard welding placing groove 11, foreboard busbar on foreboard photovoltaic glass 10
Placing groove 12 is corresponding with backboard welding placing groove 51, the backboard busbar placing groove 52 on backboard photovoltaic glass 50 respectively.Electricity
One layer of packaging plastic film layer is additionally provided between pond piece component 30 and foreboard photovoltaic glass 10, backboard photovoltaic glass 50 respectively, in photovoltaic
Packaging plastic film layer, which can melt, when being laminated during establishment of component, under high temperature crosslinks reaction, plays packaging protection battery
The effect of piece component 30.Welding 32 just can be right on encapsulating the positive and negative surface for making cell piece 31 when lamination for photovoltaic module
It should be embedded in corresponding welding placing groove, the busbar 33 at battery strings both ends can just be embedded in corresponding busbar placing groove
In, it is possible to reduce when component package is laminated phenomena such as cell piece 31 crack, fragmentation, product yield and quality are improved, can be reduced
The thickness of packaging plastic film layer reduces encapsulating material dosage, reduces component cost.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the disclosure rather than its limitations；To the greatest extent
Pipe is described in detail the disclosure referring to preferred embodiment, it should be understood by those ordinary skilled in the art that: still
It can modify to the specific embodiment of the disclosure or some technical features can be equivalently replaced；Without departing from this public affairs
The spirit of technical solution is opened, should all be covered in the claimed technical proposal scope of the disclosure.
Claims (10)
1. a kind of photovoltaic glass, for the cell piece component (30) of encapsulated photovoltaic module, the first surface of the photovoltaic glass is used
Cooperate in the cell piece component (30), which is characterized in that the first surface is provided with for accommodating the cell piece group
The confluence of the welding placing groove of the welding (32) of part (30) and/or the busbar (33) for accommodating the cell piece component (30)
Placing groove.
2. photovoltaic glass according to claim 1, which is characterized in that the welding placing groove and the busbar placing groove
Connection.
3. photovoltaic glass according to claim 1, which is characterized in that the photovoltaic glass further includes for wearing conductor
It is open (53), the opening (53) is connected to the busbar placing groove.
4. photovoltaic glass according to claim 1, which is characterized in that the photovoltaic glass be it is rectangular, have two it is parallel
The second edge of two parallel intervals setting of two first edges of spaced first edge and connection, it is a plurality of described
Welding placing groove is arranged along the extending direction parallel interval of the first edge of the photovoltaic glass, and the busbar placing groove is located at
At the second edge.
5. photovoltaic glass according to claim 4, which is characterized in that two busbar placing grooves be set in parallel in
At two second edges of the photovoltaic glass.
6. photovoltaic glass according to claim 1, which is characterized in that the photovoltaic glass is anti reflection glass.
7. photovoltaic glass according to claim 1, which is characterized in that the first surface of the photovoltaic glass has flannelette micro-
Structure.
8. a kind of photovoltaic module, the photovoltaic glass including cell piece component (30) and for encapsulating the cell piece component (30),
The cell piece component (30) includes multiple cell pieces (31), the welding (32) of the connection cell piece (31) and the connection weldering
The busbar (33) of band (32), which is characterized in that the photovoltaic glass is the light according to any one of claims 1 to 7
Lie prostrate glass, the welding (32) and welding placing groove cooperation and/or the busbar (33) and the busbar mounting groove
Cooperation.
9. photovoltaic module according to claim 8, which is characterized in that the photovoltaic glass of the photovoltaic module includes setting
The foreboard photovoltaic glass (10) that is placed on front side of the cell piece component (30) and the rear side for being set to the cell piece component (30)
Backboard photovoltaic glass (50), the photovoltaic module further includes being set to the foreboard photovoltaic glass (10) and the cell piece group
Preceding packaging plastic film layer (20) between part (30) and it is set to the backboard photovoltaic glass (50) and the cell piece component (30)
Between post package adhesive film (40).
10. photovoltaic module according to claim 9, which is characterized in that it is characterized in that, the backboard photovoltaic glass (50)
Including the opening (53) for wearing conductor, the busbar placing groove of the opening (53) and the backboard photovoltaic glass (50) connects
It is logical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821780189.0U CN208753349U (en) | 2018-10-31 | 2018-10-31 | Photovoltaic glass and photovoltaic module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821780189.0U CN208753349U (en) | 2018-10-31 | 2018-10-31 | Photovoltaic glass and photovoltaic module |
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| CN208753349U true CN208753349U (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166939A (en) * | 2018-10-31 | 2019-01-08 | 珠海格力电器股份有限公司 | Photovoltaic glass and photovoltaic module |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166939A (en) * | 2018-10-31 | 2019-01-08 | 珠海格力电器股份有限公司 | Photovoltaic glass and photovoltaic module |
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