CN110518082A - A kind of cell piece group, photovoltaic module and photovoltaic apparatus - Google Patents
A kind of cell piece group, photovoltaic module and photovoltaic apparatus Download PDFInfo
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- CN110518082A CN110518082A CN201910900690.9A CN201910900690A CN110518082A CN 110518082 A CN110518082 A CN 110518082A CN 201910900690 A CN201910900690 A CN 201910900690A CN 110518082 A CN110518082 A CN 110518082A
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- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 13
- 238000005538 encapsulation Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 21
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The application provides a kind of cell piece group, it include: the multi-layer cell group connected by busbar, encapsulated layer between group is provided between adjacent cell group, the mode of the stacking arrangement of all battery packs is dislocation arrangement, so as to tight between the cell piece of all battery layer poststacks and is not overlapped；Every layer of battery pack includes multiple battery strings, and adjacent cell string is connected using busbar；The distance between adjacent cell piece in each battery strings is the battery chip size of preset number, and adjacent cell piece is connected using welding.The application battery pack includes multiple battery strings, distance in battery strings between adjacent cell piece is the battery chip size of preset number, multiple battery pack dislocation arrangements, form surface tight structure, the light-receiving surface of cell piece is maximally utilized, in certain package dimension, more cell pieces can be encapsulated, improve component output power.The application additionally provides a kind of photovoltaic module, photovoltaic apparatus simultaneously, all has above-mentioned beneficial effect.
Description
Technical field
This application involves photovoltaic technology field, in particular to a kind of cell piece group, photovoltaic module and photovoltaic apparatus.
Background technique
For conventional photovoltaic assemblies structure, from top to bottom structure be upper layer glass, upper layer encapsulating material, cell piece, under
Layer encapsulating material, lower layer's backboard or lower layer's glass.In general components structure, there are certain between cell piece and cell piece in every string
Piece spacing, this will result in component light-receiving surface and can not be utilized completely, increase component package loss.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The purpose of the application is to provide a kind of cell piece group, photovoltaic module and photovoltaic apparatus, can reduce package area damage
It loses, improves the output of component function.Its concrete scheme is as follows:
The application provides a kind of cell piece group, comprising:
By the multi-layer cell group of busbar connection, encapsulated layer between group is provided between the adjacent battery pack, it is all described
The mode of the stacking arrangement of battery pack is dislocation arrangement, so as to tight between the cell piece of all battery layer poststacks and not
Overlapping；
Every layer of battery pack includes multiple battery strings, and the adjacent battery strings are connected using busbar；
The distance between the adjacent cell piece in each battery strings is the battery chip size of preset number, adjacent institute
Cell piece is stated to connect using welding.
Optionally, in each battery pack, the first battery strings side dislocation the second battery strings of arrangement, wherein described
Side is a side parallel with cell piece orientation described in first battery strings, first battery strings and described
Two battery strings are adjacent battery strings.
Optionally, the distance between the adjacent cell piece in each battery strings is 1 battery chip size.
Optionally, the quantity of the battery pack is two.
Optionally, the battery chip size of the cell piece is appointing in 1/2,1/3,1/4,1/5, the 1/6 of conventional batteries piece
It anticipates one kind.
The application provides a kind of photovoltaic module, comprising:
Upper layer glass, first layer encapsulated layer, such as above-mentioned cell piece group, second layer encapsulated layer, lower layer's backboard or lower layer's glass
Glass.
Optionally, the first layer encapsulated layer, the second layer encapsulated layer, encapsulated layer is POE or EVA between described group.
Optionally, when the cell piece is single side cell piece, lower layer's backboard is non-transparent enclosure backboard or transparent
Packaging back board.
The application provides a kind of photovoltaic apparatus, including such as above-mentioned photovoltaic module.
The application provides a kind of cell piece group, comprising: by the multi-layer cell group of busbar connection, sets between adjacent cell group
It is equipped with encapsulated layer between group, the mode of the stacking arrangement of all battery packs is dislocation arrangement, so as to the electricity of all battery layer poststacks
It tight and is not overlapped between the piece of pond；Every layer of battery pack includes multiple battery strings, and adjacent cell string is connected using busbar；Each electricity
The distance between adjacent cell piece in the string of pond is the battery chip size of preset number, and adjacent cell piece is connected using welding.
As it can be seen that the application battery pack includes multiple battery strings, the distance in battery strings between adjacent cell piece is preset number
Battery chip size, the dislocation arrangement of multiple battery packs forms surface tight structure and is not overlapped, maximally utilized cell piece
Light-receiving surface can encapsulate more cell pieces in certain package dimension, improve component output power.
The application additionally provides a kind of photovoltaic module, photovoltaic apparatus simultaneously, all has above-mentioned beneficial effect, no longer superfluous herein
It states.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structure diagram of cell piece group provided by the embodiment of the present application；
Fig. 2 is the structural schematic diagram of battery strings provided by the present application；
Fig. 3 is a kind of structural schematic diagram of battery pack provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of another battery pack provided by the embodiments of the present application；
Fig. 5 is a kind of superimposed structural schematic diagram of battery pack provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram of first battery pack provided by the embodiments of the present application；
Fig. 7 is the structural schematic diagram of the second battery pack provided by the embodiments of the present application；
Fig. 8 is the structural schematic diagram of third battery pack provided by the embodiments of the present application；
Fig. 9 is a kind of superimposed structural schematic diagram of battery pack provided by the embodiments of the present application；
Figure 10 is a kind of structural schematic diagram of photovoltaic module provided by the embodiments of the present application；
Figure 11 is the structural schematic diagram of another photovoltaic module provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
For conventional photovoltaic assemblies structure, from top to bottom structure be upper layer glass, upper layer encapsulating material, cell piece, under
Layer encapsulating material, lower layer's backboard or lower layer's glass.In general components structure, there are certain between cell piece and cell piece in every string
Piece spacing, this will result in component light-receiving surface and can not be utilized completely, increase component package loss.It is asked based on above-mentioned technology
Topic, the present embodiment provides a kind of photovoltaic module, battery pack 100 includes multiple battery strings, in battery strings between adjacent cell piece away from
From the battery chip size for being preset number, the multiple dislocation of battery pack 100 arrangements form tight structure, have maximally utilized group
The light-receiving surface of part reduces component package loss, therefore, in certain package dimension, can encapsulate more cell pieces, mention
High component output power, referring to FIG. 1, Fig. 1 is a kind of structure diagram of cell piece group provided by the embodiment of the present application, packet
It includes:
It is equipped between group and is encapsulated by (100-1~100-n) adjacent cell of multi-layer cell group 100 group 100 that busbar connects
The mode for combining arrangement up and down of 200 (200-1~200- (n-1)) all battery packs 100 of layer is dislocation arrangement, so as to all electricity
It tight and is not overlapped between cell piece after the stacking of pond group；Every layer of a battery strings of battery pack more than 100, adjacent cell string utilize confluence
Item connection；The distance between adjacent cell piece in each battery strings is the battery chip size of preset number, and adjacent cell piece utilizes
Welding connection.
It is understood that multiple cell pieces constitute battery strings, and multiple battery strings are combined into battery pack, more in the present embodiment
A battery pack is superimposed to form photovoltaic module.The present embodiment is not defined the quantity of cell piece, battery strings, battery pack, user
It can customize setting.
Wherein, the corresponding encapsulating material resistivity of encapsulated layer 200 is big between group, upper and lower battery group 100 will not be made short-circuit, secondly
The battery strings that can preferably fix in battery pack 100 are encapsulated using encapsulated layer 200 between group, encapsulating material is essential.Wherein, wrong
After it is not in overlapping that the structure that position arrangement is formed, which is after about 100 all battery packs is superimposed, and upper and lower battery group 100 is superimposed
Surface does not have gap structure,, can also be in certain encapsulation while maximally utilizing cell piece in certain package dimension
More cell pieces are encapsulated in size, improve the output power of component.The present embodiment is no longer defined welding, busbar,
The relevant technologies specifically are please referred to, this embodiment is not repeated.When battery pack 100 is carried out lamination, on encapsulated layer between all groups
Two opposite string battery strings carry out dislocation arrangement below, so that finally obtained photovoltaic module surface tight.The present embodiment is not
The battery pack quantity of battery pack is defined, can be 2,3 or 4, user can customize setting, noticeable
It is that when the quantity of battery pack is bigger, then packaging cost is higher, it is preferred, therefore, that the quantity of battery pack is 2 or 3.
In a kind of achievable embodiment, in each battery pack, the second electricity of the first battery strings side dislocation arrangement
Pond string, wherein side is a side parallel with cell piece orientation in the first battery strings, the first battery strings and the second battery
String is adjacent battery strings.The distance between battery strings can be eliminated by the dislocation arrangement between battery strings, is further able to realize
Seamless arrangement.
The present embodiment is not defined the distance the adjacent cell piece in battery strings, as long as being that by this implementation
The purpose of example, it is to be understood that when the quantity of battery pack is 2, the distance between cell piece is 1 battery chip size；
When the quantity of battery pack is 3, the distance between cell piece is 2 battery chip sizes；When the quantity of battery pack is 4, cell piece
Between distance be 3 battery chip sizes, the battery pack formed by this form, the mode of about 100 battery pack combination arrangement
It is dislocation arrangement, is superimposed tight between the cell piece between every a string of total battery strings of formation.For example, working as the quantity of battery pack
When being 2, wherein battery strings welding manner is to weld after being spaced a cell piece gap between two cell pieces, successively
Analogize, until welding is completed a string；In first battery pack, the arrangement of cell piece is 1-0-1-0-1- in first battery strings
0-1-0-1-0-1-0, the arrangement of the cell piece in second battery strings are 0-1-0-1-0-1-0-1-0-1-0-1, third electricity
The arrangement of cell piece in the string of pond is 1-0-1-0-1-0-1-0-1-0-1-0, and the arrangement of cell piece is 0- in the 4th battery strings
The arrangement of 1-0-1-0-1-0-1-0-1-0-1, the cell piece in the 5th battery strings are 1-0-1-0-1-0-1-0-1-0-1-0,
The arrangement of cell piece is 0-1-0-1-0-1-0-1-0-1-0-1 in 6th battery strings；In second battery pack, each electricity
The arrangement of the cell piece of pond string is 0-1-0-1-0-1-0-1-0-1-0-1, in second battery pack, the electricity of first battery strings
The arrangement of pond piece is 1-0-1-0-1-0-1-0-1-0-1-0, and the arrangement of the cell piece in second battery strings is 1-0-1-0-1-
The arrangement of 0-1-0-1-0-1-0, the cell piece in third battery strings are 0-1-0-1-0-1-0-1-0-1-0-1, the 4th electricity
The arrangement of cell piece in the string of pond is 1-0-1-0-1-0-1-0-1-0-1-0, and the arrangement of cell piece is 0- in the 5th battery strings
The arrangement of 1-0-1-0-1-0-1-0-1-0-1, the cell piece in the 6th battery strings are 1-0-1-0-1-0-1-0-1-0-1-0；
Therefore surface tight structure is formd with second being superimposed for battery pack by first battery pack, it is specific referring to FIG. 2, figure
2 be the structural schematic diagram of battery strings provided by the present application, and cell piece (111a-111f) forms battery strings 111, is arranged for dislocation
Cloth is referring to FIG. 3, Fig. 3 is a kind of structural schematic diagram of battery pack provided by the embodiments of the present application, corresponding, second battery pack
Structure referring to FIG. 4, Fig. 4 is the structural schematic diagram of another battery pack provided by the embodiments of the present application, therefore, obtained electricity
Group superimposed image in pond is referring to FIG. 5, Fig. 5 is a kind of superimposed structural representation of battery pack provided by the embodiments of the present application
Figure, it is seen then that welded after being spaced a battery chip size gap between two cell pieces in same battery strings, i.e., compartment welds
It connects；In battery strings arrangement, the battery strings between same layer group on encapsulated layer are arranged in the same plane along a line dislocation；In group
Between encapsulated layer top and bottom it is opposite two string battery strings carry out dislocation arrangement.Further avoid encapsulation damage high in the prior art
It loses, reduces component package loss, in certain package dimension, more cell pieces can be encapsulated, improve component output work
Rate.Certainly, when the quantity of battery pack is 2, in first battery pack, the arrangement of cell piece is 1-0- in each battery strings
1-0-1-0-1-0-1-0-1-0, in second battery pack, the arrangement of the cell piece in each battery strings is 0-1-0-1-0-1-
0-1-0-1-0-1。
When the quantity of battery pack is 3, the arrangement of the cell piece in first battery strings of first battery pack is 0-
The arrangement of 0-1-0-0-1-0-0-1, the cell piece in second battery strings are 1-0-0-1-0-0-1-0-0, third battery strings
In the arrangement of cell piece be 0-1-0-0-1-0-0-1-0, the arrangement of the cell piece in the 4th battery strings is 1-0-0-1-0-
The arrangement of 0-1-0-0, the cell piece in the 5th battery strings are 1-0-0-1-0-0-1-0-0, the battery in the 6th battery strings
The arrangement of piece is 0-1-0-0-1-0-0-1-0, and the arrangement of the cell piece in the 7th battery strings is 0-0-1-0-0-1-0-0-1,
The arrangement of cell piece in 8th battery strings is 1-0-0-1-0-0-1-0-0, the arrangement of the cell piece in the 9th battery strings
It is 0-1-0-0-1-0-0-1-0；The arrangement of cell piece in first battery strings of second battery pack is 1-0-0-1-0-0-
1-0-0 (1 indicates cell piece, and 0 indicates a battery chip size), the arrangement of the cell piece in second battery strings is 0-1-0-0-
The arrangement of 1-0-0-1-0, the cell piece in third battery strings are 0-0-1-0-0-1-0-0-1, the electricity in the 4th battery strings
The arrangement of pond piece is 1-0-0-1-0-0-1-0-0, and the arrangement of the cell piece in the 5th battery strings is 0-1-0-0-1-0-0-1-
0, the arrangement of the cell piece in the 6th battery strings is 0-0-1-0-0-1-0-0-1, the row of the cell piece in the 7th battery strings
Cloth is 1-0-0-1-0-0-1-0-0, and the arrangement of the cell piece in the 8th battery strings is 0-1-0-0-1-0-0-1-0, the 9th
The arrangement of cell piece in battery strings is 0-0-1-0-0-1-0-0-1；Battery in first battery strings of third battery pack
The arrangement of piece is 0-1-0-0-1-0-0-1-0, and the arrangement of the cell piece in second battery strings is 0-0-1-0-0-1-0-0-1,
The arrangement of cell piece in third battery strings is 1-0-0-1-0-0-1-0-0, the arrangement of the cell piece in the 4th battery strings
It is 0-1-0-0-1-0-0-1-0, the arrangement of the cell piece in the 5th battery strings is 0-0-1-0-0-1-0-0-1, the 6th electricity
The arrangement of cell piece in the string of pond is 1-0-0-1-0-0-1-0-0, and the arrangement of the cell piece in the 7th battery strings is 0-1-0-
The arrangement of 0-1-0-0-1-0, the cell piece in the 8th battery strings are 0-0-1-0-0-1-0-0-1, in the 9th battery strings
The arrangement of cell piece is 1-0-0-1-0-0-1-0-0, referring to FIG. 6, Fig. 6 is first battery pack provided by the embodiments of the present application
Structural schematic diagram, it is corresponding, Fig. 7 be the second battery pack provided by the embodiments of the present application structural schematic diagram；Fig. 8 is the application
The structural schematic diagram for the third battery pack that embodiment provides, Fig. 9 are that a kind of battery pack provided by the embodiments of the present application is superimposed
Structural schematic diagram.
In a kind of achievable embodiment, the battery chip size of cell piece be conventional batteries piece 1/2,1/3,1/4,
1/5, any one in 1/6.
For example, being carried out using 1/2 cell piece stacked, i.e., impartial being cut into of cell piece 1/2 is welded and encapsulated, when
So, be also possible to be 1/3 that cell piece is cut into equal wide, 1/4,1/5,1/6 cell strip.
Based on the above-mentioned technical proposal, the present embodiment the application battery pack includes multiple battery strings, adjacent cell in battery strings
Distance between piece is the battery chip size of preset number, and multiple battery pack dislocation arrangements form surface tight structure, maximize
The light-receiving surface of cell piece is utilized, in certain package dimension, more cell pieces can be encapsulated, improve component output work
Rate.
A kind of photovoltaic module provided by the embodiments of the present application is introduced below, photovoltaic module described below and above
The cell piece group of description can correspond to each other reference.
The present embodiment provides a kind of photovoltaic modulies, comprising:
Upper layer glass, first layer encapsulated layer, such as above-mentioned cell piece group, second layer encapsulated layer, lower layer's backboard or lower layer's glass
Glass.
Wherein, first layer encapsulated layer, second layer encapsulated layer, battery pack and upper layer glass, lower layer's backboard or lower layer's glass
Thickness no requirement (NR), in general, the thickness of first layer encapsulated layer and second layer encapsulated layer can be 0.45mm, the thickness of battery pack can
The thickness of 0.2mm, upper layer glass can be 0.2mm or 3.2mm, the thickness of lower layer's glass can be 0.2mm to be or
3.2mm, the thickness of lower layer's backboard can be 0.2mm or 3.2mm.Certainly, in addition to above-mentioned size, user customized can be set
It sets, the present embodiment is no longer defined.Wherein, when upper layer, glass can be conventional plane glass, this reality of the shape of upper layer glass
It applies example to be no longer defined, can be rectangular, round or other shapes, as long as being that by the purpose of the present embodiment i.e.
It can.Certainly, upper layer glass can be profiled shape glass, such as bend glass, and the present embodiment is no longer corresponding to bend glass
Bent angle is defined, and user can customize setting, can be 5 degree, 10 degree, 15 degree, 20 degree or other degrees, Ke Yili
Solution, upper layer glass can be consistent with lower layer glass, naturally it is also possible to different.
For example, when the quantity of battery pack is two, referring to FIG. 10, Figure 10 is a kind of light provided by the embodiments of the present application
The structural schematic diagram of component is lied prostrate, which includes: upper layer glass；The first layer encapsulated layer of upper layer glass side is set；
First battery pack of the separate upper layer glass side of first layer encapsulated layer is set；The separate first layer of first battery pack is set
Encapsulated layer between the group of encapsulated layer side；The second battery pack far from the first battery pack side of encapsulated layer between group is set；Setting
The second layer encapsulated layer of encapsulated layer side between separate group of the second battery pack；The electric far from second of second layer encapsulated layer is set
The lower layer's backboard or lower layer's glass of pond group side.When the quantity of battery pack is three, Figure 11 is please referred to, Figure 11 is that the application is real
The structural schematic diagram of another photovoltaic module of example offer is applied, which includes: upper layer glass；It is arranged in upper layer glass one
The first layer encapsulated layer of side；First battery pack of the separate upper layer glass side of first layer encapsulated layer is set；It is arranged first
Encapsulated layer between first group of the separate first layer encapsulated layer side of battery pack；Encapsulated layer is electric far from first between being arranged in first group
Second battery pack of pond group side；Encapsulated layer between second group of encapsulated layer side between separate group of second battery pack is set；If
Set the third battery pack far from the second battery pack side of the encapsulated layer between second group；The second group separate of three battery packs is set
Between encapsulated layer side second layer encapsulated layer；Be arranged in second layer encapsulated layer far from the second battery pack side lower layer's backboard or
Lower layer's glass.
In a kind of achievable embodiment, encapsulated layer is POE between first layer encapsulated layer, second layer encapsulated layer, group
Or EVA.
Certainly, first layer encapsulated layer is POE, and second layer encapsulated layer is EVA, and encapsulated layer is POE between group；First layer encapsulated layer
It is POE, second layer encapsulated layer is EVA, and encapsulated layer is POE between group；First layer encapsulated layer is POE, and second layer encapsulated layer is EVA,
Encapsulated layer is EVA between group；First layer encapsulated layer is POE, and second layer encapsulated layer is POE, and encapsulated layer is POE between group；First layer envelope
Filling layer is POE, and second layer encapsulated layer is POE, and encapsulated layer is EVA between group；First layer encapsulated layer is EVA, and second layer encapsulated layer is
EVA, encapsulated layer is EVA between group；First layer encapsulated layer is EVA, and second layer encapsulated layer is EVA, and encapsulated layer is POE between group；First
Layer encapsulated layer is EVA, and second layer encapsulated layer is POE, and encapsulated layer is EVA between group；First layer encapsulated layer is EVA, second layer encapsulation
Layer is POE, and encapsulated layer is POE between group, can be any one in above-mentioned eight kinds of situations, user can customize setting.
In a kind of achievable embodiment, when cell piece is single side cell piece, lower layer's backboard is non-transparent enclosure
Backboard or transparent enclosure backboard.
Certainly, when cell piece is double-side cell piece, lower layer's backboard is transparent enclosure backboard.
For general components, welding is connected to the front of second cell piece, two panels electricity from the back side of first cell piece
Very little, this difference in height will generate certain stress to pond piece piece spacing again；Lap generates between imbrication component cell piece and piece
Difference in height will also result in stress；The welding that patch uses is special, can eliminate part stress, but there are still stress；The present embodiment
In cell piece and cell piece between the one cell piece ruler of distance of distance by taking two battery packs as an example, between each cell piece
Very little about 158mm, spacing is sufficiently large, can eliminate stress, and after upper layer and lower layer combination together, although between adjacent cell piece at this time
There is no spacing, but will not generate stress without welding yet.
A kind of photovoltaic apparatus provided by the embodiments of the present application is introduced below, photovoltaic apparatus described below and above
The photovoltaic module of description can correspond to each other reference.
The present embodiment provides a kind of photovoltaic apparatus, including such as above-mentioned photovoltaic module.
Since the embodiment of photovoltaic apparatus part is corresponded to each other with the embodiment of photovoltaic module part, photovoltaic apparatus portion
The embodiment divided refers to the description of the embodiment of photovoltaic module part, wouldn't repeat here.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
A kind of cell piece group provided herein, photovoltaic module, photovoltaic apparatus are described in detail above.Herein
In apply specific case the principle and implementation of this application are described, the explanation of above example is only intended to sides
Assistant solves the present processes and its core concept.It should be pointed out that for those skilled in the art, not
Be detached from the application principle under the premise of, can also to the application, some improvement and modification can also be carried out, these improvement and modification are also fallen into
In the protection scope of the claim of this application.
Claims (9)
1. a kind of cell piece group characterized by comprising
By the multi-layer cell group of busbar connection, encapsulated layer between group, all batteries are provided between the adjacent battery pack
The mode of the stacking arrangement of group is dislocation arrangement, so as to tight between the cell piece of all battery layer poststacks and is not weighed
It is folded；
Every layer of battery pack includes multiple battery strings, and the adjacent battery strings are connected using busbar；
The distance between the adjacent cell piece in each battery strings is the battery chip size of preset number, the adjacent electricity
Pond piece is connected using welding.
2. cell piece group according to claim 1, which is characterized in that in each battery pack, the first battery strings side
Side dislocation the second battery strings of arrangement, wherein the side is parallel with cell piece orientation described in first battery strings
A side, first battery strings and second battery strings are adjacent battery strings.
3. cell piece group according to claim 2, which is characterized in that the adjacent cell piece in each battery strings
The distance between be 1 battery chip size.
4. cell piece group according to claim 3, which is characterized in that the quantity of the battery pack is two layers.
5. cell piece group according to claim 1, which is characterized in that the battery chip size of the cell piece is conventional batteries
Any one in 1/2,1/3,1/4,1/5, the 1/6 of piece.
6. a kind of photovoltaic module characterized by comprising
Upper layer glass, first layer encapsulated layer, cell piece group such as described in any one of claim 1 to 5, second layer encapsulated layer, under
Layer backboard or lower layer's glass.
7. photovoltaic module according to claim 6, which is characterized in that the first layer encapsulated layer, second layer encapsulation
Encapsulated layer is POE or EVA between layer, described group.
8. photovoltaic module according to claim 6, which is characterized in that described when the cell piece is single side cell piece
Lower layer's backboard is non-transparent enclosure backboard or transparent enclosure backboard.
9. a kind of photovoltaic apparatus, which is characterized in that including such as the described in any item photovoltaic modulies of claim 6 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910900690.9A CN110518082A (en) | 2019-09-23 | 2019-09-23 | A kind of cell piece group, photovoltaic module and photovoltaic apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900690.9A CN110518082A (en) | 2019-09-23 | 2019-09-23 | A kind of cell piece group, photovoltaic module and photovoltaic apparatus |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106898671A (en) * | 2017-02-17 | 2017-06-27 | 武汉三工智能装备制造有限公司 | Photovoltaic cell component |
| CN208093574U (en) * | 2018-04-09 | 2018-11-13 | 中国华能集团清洁能源技术研究院有限公司 | A kind of imbrication double-side assembly |
| CN109449229A (en) * | 2018-12-20 | 2019-03-08 | 苏州腾晖光伏技术有限公司 | A kind of imbrication photovoltaic module |
| CN110042366A (en) * | 2019-04-18 | 2019-07-23 | 泰州隆基乐叶光伏科技有限公司 | Fixture, apparatus for atomic layer deposition and technique |
| CN209217000U (en) * | 2019-01-30 | 2019-08-06 | 浙江晶科能源有限公司 | A kind of photovoltaic module |
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2019
- 2019-09-23 CN CN201910900690.9A patent/CN110518082A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898671A (en) * | 2017-02-17 | 2017-06-27 | 武汉三工智能装备制造有限公司 | Photovoltaic cell component |
| CN208093574U (en) * | 2018-04-09 | 2018-11-13 | 中国华能集团清洁能源技术研究院有限公司 | A kind of imbrication double-side assembly |
| CN109449229A (en) * | 2018-12-20 | 2019-03-08 | 苏州腾晖光伏技术有限公司 | A kind of imbrication photovoltaic module |
| CN209217000U (en) * | 2019-01-30 | 2019-08-06 | 浙江晶科能源有限公司 | A kind of photovoltaic module |
| CN110042366A (en) * | 2019-04-18 | 2019-07-23 | 泰州隆基乐叶光伏科技有限公司 | Fixture, apparatus for atomic layer deposition and technique |
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