CN207116452U - A kind of ultra dense arrangement photovoltaic module - Google Patents
A kind of ultra dense arrangement photovoltaic module Download PDFInfo
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- CN207116452U CN207116452U CN201721174682.3U CN201721174682U CN207116452U CN 207116452 U CN207116452 U CN 207116452U CN 201721174682 U CN201721174682 U CN 201721174682U CN 207116452 U CN207116452 U CN 207116452U
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- photovoltaic module
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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 application provides a kind of ultra dense arrangement photovoltaic module, and the photovoltaic module includes：Battery strings, it is composed in series by cell piece, is connected between the cell piece using interconnecting strip, the span of the spacing between the cell piece is more than 1.5 millimeters and less than or equal to 0.5 millimeter；In parallel using interconnecting strip between string between the battery strings, the span of the spacing between the battery strings is more than or equal to 0.2 millimeter and less than or equal to 1.5 millimeters；The battery strings are connected by busbar, form battery strings group.Using each embodiment in the application, the generating efficiency of photovoltaic module can be improved, ensures high efficiency and stability that photovoltaic module generates electricity.
Description
Technical field
The application is related to field of photovoltaic technology, more particularly to a kind of ultra dense arrangement photovoltaic module.
Background technology
Increasingly in short supply with the energy, photovoltaic technology is as a kind of skill that solar energy directly can be converted into electric energy
Art, it is widely used.The structure design of photovoltaic module, directly affect the generating efficiency of photovoltaic module.
In the prior art, the blank of the cell piece arrangement in photovoltaic module is larger, causes the space availability ratio of component relatively low,
And then cause the generating efficiency of unit area relatively low.In addition, the cell piece in existing photovoltaic module is welded using full wafer, cell piece
Electric current it is larger, cause that component in-fighting is larger, and generating efficiency is relatively low.Further, existing component internal circuit structure is mostly by more
The cascaded structure of piece cell piece composition, when a piece of cell piece operation exception（For example blocked by foreign matters such as leaf, birds droppings）When, cause
The decrease of power generation of whole component, causes the larger wasting of resources.
At least there are the following problems in the prior art：The blank of cell piece arrangement in existing photovoltaic module is larger, leads
Cause the space availability ratio of component relatively low, cell piece is welded using full wafer, and the electric current of cell piece is larger, causes component in-fighting larger,
The cascaded structure that existing component internal circuit structure is made up of multi-disc cell piece more, when a piece of cell piece operation exception（Than
Such as blocked by leaf, birds droppings foreign matter）When, cause the decrease of power generation of whole component, these result in existing photovoltaic group
The generating efficiency of part is relatively low.
Utility model content
The purpose of the embodiment of the present application is to provide a kind of ultra dense arrangement photovoltaic module, to improve the generating of photovoltaic module effect
Rate, ensure high efficiency and stability that photovoltaic module generates electricity.
The embodiment of the present application provides what a kind of ultra dense arrangement photovoltaic module was realized in：
A kind of ultra dense arrangement photovoltaic module, the photovoltaic module include：
Battery strings, it is composed in series by cell piece, is connected between the cell piece using interconnecting strip, between the cell piece
The span of spacing is more than -1.5 millimeters and less than or equal to 0.5 millimeter；
It is in parallel using interconnecting strip between string between the battery strings, the span of the spacing between the battery strings be more than
Equal to 0.2 millimeter and less than or equal to 1.5 millimeters；
The battery strings are connected by busbar, form battery strings group.
In preferred embodiment, the cell piece is obtained by conventional batteries piece burst, the main grid line width of the cell piece
Span is more than or equal to 0.1 millimeter and less than or equal to 1.1 millimeters.
In preferred embodiment, the photovoltaic module also includes laminate, and it is close that the laminate inside circumference is provided with insulation
Closure material.
In preferred embodiment, insulative separator material is provided with the busbar of the photovoltaic module.
In preferred embodiment, the laminate outward flange is provided with aluminium frame, and the aluminium frame surrounds the laminate.
In preferred embodiment, the span of the busbar to the distance at glass panel edge is more than or equal to 6 millimeters
And less than or equal to 13 millimeters.
In preferred embodiment, the span of the cell piece to the distance at glass panel edge is more than 5 millimeters and small
In 17.5 millimeters.
A kind of ultra dense arrangement photovoltaic module provided using the embodiment of the present application, can by reduce between cell piece away from
From, and reduce the spacing between battery strings, the blank area of cell piece screening is effectively reduced, increases photovoltaic module unit area
Generating efficiency.By interconnecting strip between the string by battery series-parallel connection, so, there is abnormal, the string cell piece in one piece of cell piece
The electric current of other cell pieces in affiliated battery strings can be transmitted by interconnecting strip between string to another battery strings, will not be to photovoltaic
Component integrally impacts, and effectively increases the stability of photovoltaic module generating, and then effectively improves the generating effect of photovoltaic module
Rate.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 (a) is a kind of attachment structure schematic diagram for ultra dense arrangement photovoltaic module that the application one embodiment provides；
Fig. 1 (b) is the cross-sectional view with Fig. 1 (a) attachment structures；
Fig. 2 is a kind of distance relation schematic diagram for ultra dense arrangement photovoltaic module that the application one embodiment provides；
Fig. 3 is the Structure Comparison figure of burst cell piece and existing cell piece that the application one embodiment provides；
Fig. 4 is a kind of attachment structure schematic diagram of ultra dense arrangement photovoltaic module of the application another embodiment offer；
Fig. 5 is the cross-sectional view with attachment structure described in Fig. 4；
Fig. 6 is a kind of cross-sectional view of the ultra dense arrangement photovoltaic module provided in one example of the application；
Fig. 7 is a kind of cross-sectional view of the ultra dense arrangement photovoltaic module provided in the application another example；
Fig. 8 is a kind of cross-sectional view of the ultra dense arrangement photovoltaic module provided in the application another example；
Fig. 9 is a kind of overall construction drawing of the ultra dense arrangement photovoltaic module provided in one application example of the application；
Figure 10 is a kind of overall construction drawing of the ultra dense arrangement photovoltaic module provided in the application another application example；
Figure 11 is a kind of overall construction drawing of the ultra dense arrangement photovoltaic module provided in the application another application example.
The reference of the figures above：1st, cell piece；2nd, interconnecting strip between going here and there；21st, interconnecting strip；3rd, busbar；4th, insulate close
Closure material；41st, insulative separator material；5th, aluminium frame；6th, EVA or POE encapsulating materials；7th, silica gel system bonding agent or adhesive tape；8th, light
Lie prostrate glass.
Embodiment
The embodiment of the present application provides a kind of ultra dense row's photovoltaic module.
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
Fig. 1 (a) is a kind of attachment structure schematic diagram for ultra dense arrangement photovoltaic module that the application one embodiment provides.
Specifically, as described in Fig. 1 (a), a kind of embodiment of ultra dense arrangement photovoltaic module that the application provides a kind of can be with
Including：
Battery strings, be composed in series by cell piece 1, between the cell piece 1 using interconnecting strip connect, the cell piece 1 it
Between the span of spacing be more than -1.5 millimeters and less than or equal to 0.5 millimeter；
In parallel using interconnecting strip 2 between string between the battery strings, the span of the spacing between the battery strings is big
In equal to 0.2 millimeter and less than or equal to 1.5 millimeters；
The battery strings are connected by busbar 3, form battery strings group.
Fig. 1 (b) is the cross-sectional view of the attachment structure described in Fig. 1 (a), as shown in Fig. 1 (b), the cell piece 1
Between connected by interconnecting strip 21, battery strings are connected by busbar 3, covered with insulative separator material 41 on the busbar 3.
In Fig. 1 (b), the shape of the insulative separator material 41, thickness etc. be all it is exemplary, it is actual to implement, it is described to be dielectrically separated from
The shape of material 41, thickness, material etc., are not construed as limiting in the application.Such as in the application one embodiment, the insulation
Isolated material can be insulated paint, and in the application another embodiment, the insulative separator material can be insulating tape,
In the application other embodiment, the insulative separator material can also be the insulating materials of other shapes, thickness, material, implement
Personnel can be according to being actually needed and physical condition voluntarily selects the insulative separator material.
Fig. 2 be the application one embodiment provide it is a kind of it is ultra dense arrangement photovoltaic module distance relation schematic diagram, such as Fig. 2
In, battery strings spacing H span is the spacing G between cell piece more than or equal to 0.2 millimeter and less than or equal to 1.5 millimeters
Span be more than -1.5 millimeters and less than or equal to 0.5 millimeter.Effectively reduce the white space of the component.
Fig. 3 is the structure chart for the burst cell piece that the application one embodiment provides, as shown in Figure 3, the burst electricity
Pond piece is obtained by existing conventional batteries piece burst, and the main grid line width A of cell piece span is more than or equal to 0.1 milli
Rice and less than or equal to 1.1 millimeters.
Fig. 4 is a kind of attachment structure schematic diagram for ultra dense arrangement photovoltaic module that the application another embodiment provides, Fig. 5
It is cross-sectional view corresponding to attachment structure described in Fig. 4.As shown in Figure 4, Figure 5, in this example, lead between the cell piece 1
Interconnecting strip 21 is crossed to connect.The photovoltaic module also includes laminate, and the laminate inside circumference is provided with insulating sealing materials
4, the laminate outward flange is provided with aluminium frame 5, and the aluminium frame 5 surrounds the laminate.As shown in figure 5, in this example,
Insulative separator material 41 is provided with the busbar of the photovoltaic module, the insulative separator material 41 is arranged at EVA or POE envelopes
Between package material 6 and busbar 4.
Wherein, the insulative separator material can be the related insulation such as insulating tape, insulating back panel, insulating cement, insulated paint
Isolated material.
Fig. 6 is a kind of cross-sectional view of the ultra dense arrangement photovoltaic module provided in one example of the application.Such as Fig. 6
Shown, the frame is aluminium frame 5, is arranged on around laminate, the laminate is surrounded.It is connected to the photovoltaic of photovoltaic module
On glass 8, silica gel system bonding agent or adhesive tape 7 are provided between the aluminium frame 5 and the photovoltaic glass 8.
Fig. 7 is a kind of cross-sectional view of the ultra dense arrangement photovoltaic module provided in the application another example.Such as
Shown in Fig. 7, in this example, the aluminium frame 5 is arranged to ultra-thin ultra-narrow aluminium frame.
Fig. 8 is a kind of cross-sectional view of the ultra dense arrangement photovoltaic module provided in the application another example, such as
Shown in Fig. 8, ultra-thin corresponding to Fig. 7 or conventional frame top can be removed, can so reduce dust stratification and hide shadow, laminate
Surrounding is along with insulating materials such as butyl rubbers, so as to shorten cell piece to the distance of glass edge.
Fig. 9 is a kind of overall construction drawing of the ultra dense arrangement photovoltaic module provided in one application example of the application, corresponding
Be using burst battery photovoltaic module structure.
Figure 10 is a kind of overall construction drawing of the ultra dense arrangement photovoltaic module provided in the application another application example, right
What is answered is the structure for the photovoltaic module for using laminated batteries.
Figure 11 is a kind of overall construction drawing of the ultra dense arrangement photovoltaic module provided in the application another application example, right
What is answered is the structure of MWT battery component.
In the application one embodiment, the span of the busbar to the distance at glass panel edge be more than or equal to
6 millimeters and less than or equal to 13 millimeters.
In the application one embodiment, the span of the cell piece to the distance at glass panel edge is more than 13 millis
Rice and less than 17.5 millimeters.
Using the embodiment of ultra dense row's photovoltaic module described in the various embodiments described above or example, for full wafer cell piece electricity
Big problem is flowed, the burst cell piece that New Parent design uses, i.e., is cut conventional batteries piece open, the decile of cell piece point is unlimited,
From 1/2 to 1/12, preferably, cell piece is cut into 1/3,1/4, and burst cell piece can effectively reduce photovoltaic group
Electric current between the cell piece of part so that the in-fighting of photovoltaic module effectively increases the hair of photovoltaic module into a square times reduction
Electrical efficiency.
For cell piece pitch problems, herein described photovoltaic module uses burst battery of the main gate line for 0.1 ~ 1.1mm,
Corresponding interconnecting strip uses a width of 0.5 ~ 1.2mm, and thickness is 0.12 ~ 0.25mm, because interconnecting strip width and thickness diminish, interconnection
Bar also becomes soft, and the spacing between the application cell piece is -1.5 ~ 0.5mm, can effectively reduce the spacing between cell piece, reduces
The white space of photovoltaic module, effectively improve the generating efficiency of photovoltaic module.
The abnormal conditions of cell piece are blocked etc. for local birds droppings leaf, can be joined by using battery strings multi-series and parallel, electricity
Go here and there and solved between the cell piece of battery strings by way of interconnecting strip intercommunication between string in pond.For example it is blocked in a cell piece
In the case of, this electric current for going here and there remaining cell piece can continue to convey by interconnecting strip between string to another battery strings transmission, so will
The influence of hot spot reduces.This horizontal Networking Design is realized, utilizes the scheme interconnected to allow electric current side to shunt, it is necessary first to go here and there
Parallel connection, scribing process is inherently extraordinary can be met to realize.Interconnecting strip can be interconnecting strip between the string, or conducting resinl
Band, or transparent conducting membrane material etc., horizontal interconnection technology is carried out at the back side of cell piece or front.Opaque leads
What electric material can only overleaf carry out that interconnection connection avoids itself blocks influence.This can be influenceed in 2 strings, 3 strings or more strings
In design in parallel.Interconnecting strip formula can also be applied in cell piece components such as dereliction coral technique, welding techniques using upper
In stacked wafer moudle technique.The radical of interconnecting strip is unlimited between the string, can be designed as the every cell piece parallel connection with row, Ke Yishe
It is calculated as in parallel with row's cell piece every 2 ~ 6.
With reference to embodiment described herein, the beneficial effect of the application is summarized, specifically, the application's is beneficial
Effect mainly includes：1, photovoltaic panel design uses scribing process, and conventional batteries piece is carried out etc. after dividing scribing, welded.
The main gate line of cell piece is also redesigned, using the welding of ultra-soft.Using the structure of multi-series and parallel connection in photovoltaic panel design
Design, or the referred to as technique of plateization design, multi-string battery piece are formed the plate being mutually in parallel, entered by welding material
The fixation of row physics, being accurately positioned for perfect rigidity is realized, be not limited by the intensity that vacuumizes, it is also completely true without having to worry about taking out
Shifted between battery strings caused by sky, because being that plate does not have traditional independent single battery strings.This plate
Design can the conventional battery blade technolgy of ultra-soft welding be realized after scribing, is overleaf welded and fixed；Can also be folded
Watt photovoltaic panel volume technique, pass through the technique that welding realizes welding multi-disc in parallel simultaneously；Also cell piece work of the opening applied to MWT
The technology mode of skill, the overleaf multi-disc of parallel connection welding simultaneously.2, conventional cell piece gap in the battery strings of photovoltaic panel design
Problem, also it is resolved well in new design., can using scribing and ultra-soft welding after conventional batteries piece newly designs grid line
, can be from overlapping onto normal spacing to realize cell piece directly any spacing arrangement；It is complete using welding for imbrication technique
It is zero clearance；Using needed after MWT technique cell piece scribings to cell piece edge carry out insulation processing after be closely spaced
Also be not in short circuit equivalent risk, the gap between very small cell piece can be realized completely.3, for photovoltaic panel
The optimization of the surrounding creep age distance of internal circuit, using new insulating materials and technology mode is introduced, electric conductor is such as confluxed
Bar carries out insulation processing such as insulated covering edge material either insulating cement or insulated paint etc..Narrow height can equally be increased in surrounding
Edge sealing built in the material progress of insulation, on the one hand realize that the requirement of creep age distance declines, the protection of inside circumference can also be realized
Include the effect such as moisture crack resistence with barrier.4, for photovoltaic panel frame it is positive block factor, using again to frame
Structure design, introduce high bond strength structure silica gel material realize overleaf carry out high intensity construction bonds, thus
The shield portions for removing frame can be designed, the design of photovoltaic panel just can be further compact, not because frame front
Physics block and limit.
For cell piece string pitch problems, because herein described photovoltaic module adds interconnecting strip between string, string is secured
Between distance, there is relative displacement to the suction of battery strings in flowing that will not be because of EVA in lamination process and vacuum,
So the design reduces the string spacing of battery strings, preferably, design size is 0.2mm ~ 1.5mm, so as to effectively improve light
Lie prostrate the stability of component.
, can be in backboard or back glass inside circumference increase by one in the application in order to reach the creep age distance of IEC requirements
Enclose the insulating cement or insulating tape that width is 2 ~ 10mm, insulating cement or insulating tape can be butyl type rubber, resin material class,
The materials such as silica type, foam rubber class.One layer of insulative separator material of a circle insulating tape or parcel can also be pasted on busbar,
Insulative separator material can be attached on busbar, prevented insulative separator material and busbar point in vacuum is laminated
From insulative separator material can be Normal back plate or insulating back panel or the insulation such as PET or insulated paint or insulating cement
Isolated material, fixed with adhesive tape, prevent from separating insulative separator material and busbar in vacuum is laminated.
In order to further increase creep age distance, protection laminate by aqueous vapor from being corroded, the four of laminate in the application
All installation frames, conventional frame can be used to be installed using super-thin frame, be carried out by silica gel or sealant tape close
Envelope and bonding.This design can cover Normal back plate component, can also cover conventional solar double-glass assemblies or double glass Double-sided battery packs.
Embodiment described herein can cover single crystal battery piece component, polycrystalline cell piece component, hetero-junction solar cell piece component, N
Type double-side cell piece component, MWT battery piece.
Each embodiment in this specification is described by the way of progressive, same or analogous portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have it is many deformation and
Change is without departing from spirit herein, it is desirable to which appended claim includes these deformations and changed without departing from the application's
Spirit.
Claims (7)
1. a kind of ultra dense arrangement photovoltaic module, it is characterised in that the photovoltaic module includes：
Battery strings, it is composed in series by cell piece, is connected between the cell piece using interconnecting strip, the spacing between the cell piece
Span be more than -1.5 millimeters and less than or equal to 0.5 millimeter；
It is in parallel using interconnecting strip between string between the battery strings, the span of the spacing between the battery strings be more than or equal to
0.2 millimeter and less than or equal to 1.5 millimeters；
The battery strings are connected by busbar, form battery strings group.
2. a kind of ultra dense arrangement photovoltaic module as claimed in claim 1, it is characterised in that the cell piece is by conventional batteries piece
Burst obtains, and the span of the main grid line width of the cell piece is more than or equal to 0.1 millimeter and less than or equal to 1.1 millimeters.
3. a kind of ultra dense arrangement photovoltaic module as claimed in claim 1 or 2, it is characterised in that the photovoltaic module also includes
Laminate, the laminate inside circumference are provided with insulating sealing materials.
4. a kind of ultra dense arrangement photovoltaic module as claimed in claim 1, it is characterised in that on the busbar of the photovoltaic module
It is provided with insulative separator material.
5. a kind of ultra dense arrangement photovoltaic module as claimed in claim 3, it is characterised in that the laminate outward flange is provided with
Aluminium frame, the aluminium frame surround the laminate.
A kind of 6. ultra dense arrangement photovoltaic module as described in claim 1 or 4, it is characterised in that the busbar to glass surface
The span of the distance of edges of boards edge is more than or equal to 6 millimeters and less than or equal to 13 millimeters.
A kind of 7. ultra dense arrangement photovoltaic module as claimed in claim 1, it is characterised in that the cell piece to glass surface edges of boards
The span of the distance of edge is more than 5 millimeters and less than 17.5 millimeters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721174682.3U CN207116452U (en) | 2017-09-14 | 2017-09-14 | A kind of ultra dense arrangement photovoltaic module |
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| CN201721174682.3U CN207116452U (en) | 2017-09-14 | 2017-09-14 | A kind of ultra dense arrangement photovoltaic module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623049A (en) * | 2017-09-14 | 2018-01-23 | 苏州携创新能源科技有限公司 | A kind of ultra dense arrangement photovoltaic module |
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- 2017-09-14 CN CN201721174682.3U patent/CN207116452U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623049A (en) * | 2017-09-14 | 2018-01-23 | 苏州携创新能源科技有限公司 | A kind of ultra dense arrangement photovoltaic module |
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Effective date of registration: 20190123 Address after: 215127 Linggang Road 128, Yongzhi Town, Wuzhong District, Suzhou City, Jiangsu Province Co-patentee after: Tangshan Haitai new energy Polytron Technologies Inc Patentee after: Suzhou innovation energy technology Co., Ltd. Address before: 215127 No. 128 Yongzhilinggang Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou innovation energy technology Co., Ltd. |
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Address after: 214400 No. 37, Panlongshan Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Chuangxin Energy Technology Co.,Ltd. Patentee after: Tangshan Haitai Xinneng Technology Co., Ltd Address before: 215127 Linggang Road 128, Yongzhi Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU COOP&INNO GREEN ENERGY TECHNOLOGY Co.,Ltd. Patentee before: Tangshan Haitai Xinneng Technology Co., Ltd |
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