CN207572381U - A kind of photovoltaic module - Google Patents
A kind of photovoltaic module Download PDFInfo
- Publication number
- CN207572381U CN207572381U CN201721407139.3U CN201721407139U CN207572381U CN 207572381 U CN207572381 U CN 207572381U CN 201721407139 U CN201721407139 U CN 201721407139U CN 207572381 U CN207572381 U CN 207572381U
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- China
- Prior art keywords
- photic zone
- cell piece
- photovoltaic module
- raised line
- encapsulated layer
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model is related to a kind of photovoltaic module, including the photic zone, battery component and encapsulated layer stacked gradually；The battery component includes at least one cell piece, and the cell piece is layed between the photic zone and the encapsulated layer and with towards the euphotic one side, has predetermined interval between the one side and the photic zone.The predetermined interval makes cell piece not contacted directly or indirectly with photic zone towards euphotic one side, therefore can be to avoid the problem of cell piece sliver or fragment is occurred by pressure in lamination process.In addition, removing the encapsulating material between the cell piece and the photic zone, production cost is advantageously reduced, reduces encapsulating material absorptance, and avoids the problem that photovoltaic module light transmittance caused by going bad due to encapsulating material declines, efficiency reduces.
Description
Technical field
The utility model is related to technical field of photovoltaic power generation, and in particular to a kind of photovoltaic module.
Background technology
Photovoltaic generation is having been more and more widely used as a kind of clean generation mode.It is as shown in figure 5, existing
There is crystalline silicon photovoltaic module to be packaged using packaging adhesive film to cell piece (group), from the front of photovoltaic module to the back side using " thoroughly
Several cell pieces 3 of packaging adhesive film 7+ (quantity of cell piece needed for entire component)+lower packaging adhesive film 8+ is put down on bright tablet cover board 6+
The structural order of backboard plate 5 " is laid with lamination.The packed glued membrane of the front and back of cell piece is completely covered, then by layer
Pressure process bonds glued membrane and crosslinks reaction, and cell piece is made to be bonded as entirety with cover board and backboard.During work, natural light is saturating successively
Cross cover board, packaging adhesive film is again incident on cell piece, the packaging adhesive film above cell piece is in photovoltaic module actual motion mistake
Influence is illuminated by the light in journey, the gradual aging of meeting, xanthochromia reduce light transmission rate so as to influence output power of photovoltaic module.
In addition, in tableting processes, since the pressure acted on cover board can be via between cover board and cell piece
Packaging plastic film layer be transferred on cell piece, therefore, be susceptible to cell piece and the problem of fragment, cause photovoltaic in lamination process
The preparation efficiency of component reduces, manufacturing cost raising.
Utility model content
In order to solve the above problem of the existing technology, the utility model provides a kind of photovoltaic module, it is therefore intended that,
Solve the problems, such as the cell piece fragment in photovoltaic module in lamination process.
Technical solution is used by the utility model：
One side according to the present utility model provides a kind of photovoltaic module, including photic zone, the battery stacked gradually
Component and encapsulated layer；
The battery component includes at least one cell piece, and the cell piece is layed in the photic zone and the encapsulated layer
Between and with towards the euphotic one side, there is predetermined interval between the one side and the photic zone.
Preferably, the euphotic side towards the battery component is provided with protrusion, and the protrusion can abut
It is fixed on the encapsulated layer, surrounds at least one sealed chamber with the photic zone and the encapsulated layer, the cell piece is set
It is placed in the sealed chamber.
Preferably, the sealed chamber is vacuum chamber.
Preferably, the protrusion is raised line, multiple tab parallel settings, the two neighboring raised line and the light transmission
Layer and the encapsulated layer surround a bar shaped sealed chamber.
Preferably, multiple raised lines equally spacedly arrange setting, are formed multiple of same size and are set up in parallel described
Bar shaped sealed chamber.
Preferably, at least one bar shaped sealed chamber, multiple cell pieces are along the bar shaped sealed chamber
Length direction, be arranged in series in a row, formed battery strings.
Preferably, the protrusion height of the raised line is more than the thickness of the battery strings, the protrusion height and the thickness
Difference be 1-3mm；And/or
The spacing of the two neighboring raised line is more than the width of the cell piece, the spacing of the two neighboring raised line and institute
The difference for stating the width of cell piece is 3-4mm；And/or
When there are one during the raised line, the width of the raised line is less than described in two tool between the two neighboring battery strings
Spacing between battery strings, the difference of the spacing between the width of the raised line and two battery strings is 1-2mm.
Preferably, the protrusion is fixedly connected or integrated setting with the photic zone.
Preferably, the euphotic face backwards of the cell piece is fixed on the encapsulated layer.
Preferably, the photovoltaic module further includes backing layer, the backing layer be fixed on the encapsulated layer, away from the light transmission
The side of layer.
The beneficial effects of the utility model are：
There is predetermined interval between the euphotic one side of direction and photic zone of cell piece, make cell piece towards photic zone
One side do not contacted directly or indirectly with photic zone, therefore when carrying out lamination process, acting on euphotic pressure will not be by
Conduction is on cell piece, the problem of so as to avoid sliver or fragment occurs in cell piece stress in lamination process.In addition, removal institute
The encapsulating material between cell piece and the photic zone is stated, advantageously reduces production cost, and avoid due to cell piece and light transmission
The problem of photovoltaic module light transmittance caused by encapsulating material between layer goes bad declines, efficiency reduces.
Description of the drawings
Fig. 1 is the stepped construction schematic diagram of photovoltaic module each section described in the utility model；
Fig. 2 is the cross-sectional view of photovoltaic module described in the utility model；
Fig. 3 is euphotic bottom view described in the utility model；
Fig. 4 is euphotic cross-sectional view described in the utility model；
Fig. 5 is the stepped construction schematic diagram of existing crystalline silicon photovoltaic module each section；
In figure：1st, photic zone；2nd, encapsulated layer；3rd, cell piece；4th, it is raised；5th, backing layer；6th, transparent plate cover board；7th, upper encapsulation
Glued membrane；8th, lower packaging adhesive film.
Specific embodiment
It is to reach the technological means and effect that predetermined purpose taken for the utility model is expanded on further, below in conjunction with attached
Figure and preferred embodiment, to according to the present utility model application specific embodiment, structure, feature and its effect, specifically
It is bright as after.In the following description, special characteristic, structure or the feature in one or more embodiments can be by any suitable form groups
It closes.
It should be noted that in the description of the present invention, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the utility model.
As depicted in figs. 1 and 2, present embodiment is related to a kind of photovoltaic module, including stack gradually photic zone 1,
Battery component and encapsulated layer 2；The battery component includes at least one cell piece 3, and the cell piece 3 is layed in the photic zone
Between 1 and the encapsulated layer 2 and with the one side towards the photic zone 1, have between the one side and the photic zone 1
Predetermined interval, the predetermined interval cause being in direct contact towards nothing between the one side of photic zone 1 and photic zone 1 for cell piece 3,
Not by central object mediate contact, therefore, during lamination prepares photovoltaic module, the pressure on photic zone 1 is acted on
Will not conduct to cell piece 3, can realize prevent in lamination process cell piece 3 by pressure the purpose of fragment.Moreover, saturating
It is made of clear material between photosphere 1 and cell piece 3 without encapsulation glue-line, photic zone 1, when photovoltaic module works, illumination is through saturating
Photosphere 1 shines directly into cell piece 3, not existing crystalline silicon photovoltaic module for another example, light by upper packaging adhesive film 7 (see Fig. 5) again according to
Cell piece 3 is mapped to, absorption of the encapsulating material to light is reduced, increases utilization rate of the photovoltaic module to light, improve equal illumination
Under the conditions of photovoltaic module output power, and can prevent due to it is upper encapsulation 7 aging xanthochromia of glue-line cause light transmittance decline
Problem advantageously reduces loss in efficiency caused by encapsulation.In addition, the upper encapsulation glue-line 7 between removal photic zone 1 and cell piece 3,
The dosage of packaging adhesive film raw material can be reduced, advantageously reduces the material cost in photovoltaic module production preparation process.
As in Figure 2-4, as a kind of preferable embodiment, the one of the direction battery component of the photic zone 1
Side, which is provided with protrusion 4, described raised 4 and can abut, to be fixed on the encapsulated layer 2, at least to play the work at interval and support
With, that is, protrusion 4 makes the one side towards photic zone 1 of cell piece 3 be arranged at intervals with photic zone 1, and the face is avoided to contact photic zone 1,
Crushing cell piece 3 on cell piece 3 is transferred to avoid lamination pressure；Meanwhile protrusion 4 can support photic zone 1, make photic zone 1
It will not deformation or fragmentation due to the effect of the pressure of lamination treatment.Protrusion 4 can surround at least one with photic zone 1 and encapsulated layer 2
A sealed chamber, the cell piece 3 are set in the sealed chamber, and therefore, cell piece 3 can be in the stabilization being isolated from the outside
It works in environment, is conducive to improve the stability of photovoltaic module output performance.Preferably, the sealed chamber is vacuum chamber,
Contactless vacuum layer is formed towards between the one side of photic zone 1 and photic zone 1 in cell piece 3, further to completely cut off cell piece 3
With the contact of the unfavorable factors such as vapor, the oxygen in external environment, be conducive to prevent Water vapor condensation from sealed chamber subtracting
The light transmittance of small photic zone 1, and the hydraulic performance decline caused by due to anodizing etc. that slows down battery component, improve battery component
Service life.
As a kind of preferable embodiment, as shown in figure 3, described raised 4 be raised line, multiple tab parallels are set
It puts, therefore, groove structure is may be constructed between every two adjacent raised lines and photic zone 1, when raised line abutting is fixed on encapsulated layer 2
When upper, groove structure can surround bar shaped sealed chamber with the encapsulated layer 2.Preferably, multiple raised lines are equally spacedly arranged
Row setting forms the bar shaped sealed chamber that is multiple of same size and being set up in parallel.Protrusion 4 is set as raised line form, and
Multiple tab parallel settings, are conducive to even support photic zone 1, when the pressure of lamination treatment is acted on photic zone 1,
It can effectively be supported everywhere on photic zone 1, prevent photic zone 1 from deforming or damaging.The raised line is preferably equidistant
Ground is arranged in parallel, and forms multiple bar shaped sealed chambers being set up in parallel and geomery is identical, is conducive to carry out batch, standard
Change installation, and the aesthetics of photovoltaic module can be improved.
As shown in Figure 1, as a kind of preferable embodiment, at least one bar shaped sealed chamber, Duo Gesuo
State cell piece 3 along the bar shaped sealed chamber length direction, be arranged in series in a row, formed battery strings.Battery strings pass through
Multiple 3 Series connection weldings of cell piece are formed, and are connected between adjacent cell string by busbar, and multiple connected battery strings form
The battery component.Cell piece 3 in the battery component is arranged into array format, can be effectively improved to photovoltaic module light
The utilization ratio in face.
Preferably, the protrusion height of the raised line is more than the thickness of the battery strings, the protrusion height and the thickness
Difference be 1-3mm；It should be noted that the protrusion height of the raised line, refers to the raised line as the photic zone where it
The height that 1 table is protruded away from the direction on the surface；The thickness of the battery strings refers to, multiple electricity are being welded by welding
Pond piece 3 is into battery strings and after connecting each battery strings, the thickness of battery strings in the battery component of formation.The protrusion height of raised line with
The difference of the thickness of battery strings is smaller, is conducive to reduce unnecessary volume waste in the sealed chamber, and reduce photovoltaic module
Overall thickness.
The spacing of the two neighboring raised line can also be set to be more than the width of the cell piece 3, it is two neighboring described convex
The spacing of item and the difference of the width of the cell piece 3 are 3-4mm；By the difference as it can be seen that the spacing of two neighboring raised line is only omited
More than the width of cell piece 3, therefore, two neighboring raised line can limit the displacement of cell piece 3 positioned there between, to battery
Piece 3 plays positioning action, prevents in preparation process is laminated, and cell piece is moved due to that can not position, cause displacement, simultaneously
Piece problem.In addition, when having between the two neighboring battery strings there are one during the raised line, the width of the raised line can be set
The spacing being set between less than two battery strings, the difference of the spacing between the width of the raised line and two battery strings
It is worth for 1-2mm.Spacing between two battery strings can be that the conventional of battery strings in photovoltaic module is laid with spacing, can by the difference
See, the edge spacing of raised line and cell piece in battery strings 3 is smaller, can either be by each battery strings even partition, and does not influence electricity
The pond original imposition layout of string, and can battery strings be played with better positioning action.
It is fixedly connected as a kind of preferable embodiment, described raised 4 with the photic zone 1 or integrated setting；
The cell piece 3 is fixed on backwards to the face of the photic zone 1 on the encapsulated layer 2.Preferably, cell piece 3 is backwards to photic zone 1
Face be adhesively fixed on encapsulated layer 2.Preferably, the photovoltaic module further includes backing layer 5, and the backing layer 5 is fixed on the envelope
Fill layer 2, away from the side of the photic zone 1, it is further preferred that the backing layer 5 and the 2 bonding fixation of encapsulated layer,
Therefore, the structure that cell piece 3 passes through 2 secure bond of encapsulated layer with backing layer 5 can be formed.It is described in this section to be adhesively fixed,
Directly realized by the cross-linking reaction that packaging adhesive film material in lamination process occurs.
The preparation method of the photovoltaic module, includes the following steps：
S1 is laid with packaging adhesive film and battery component successively on the backing layer 5；
Photic zone 1 is covered on the battery component by S2, makes have institute between the photic zone 1 and the battery component
State predetermined interval；
S3 carries out the component after above-mentioned stacking to vacuumize lamination treatment, and the packaging adhesive film is made to crosslink reaction and is formed
The backsheet layer, the battery component and the photic zone 1 are connected as a single entity, and in battery pack by encapsulated layer 2, the encapsulated layer 2
Part forms contactless vacuum layer to get the photovoltaic module towards between the one side of photic zone 1 and photic zone 1.
As a kind of preferable embodiment, the battery component is welded by cell piece 3 and is formed, and is set up in parallel including multiple
Battery strings, each battery strings are made of multiple cell pieces 3 being arranged in series；Preferably, lid sets photic zone 1 in step s 2
When, make there is the side of protrusion 4 on the photic zone 1 towards the battery component, that is, make to be formed with the ditch on photic zone 1
The one of slot structure is surrounded facing towards battery component, the groove structure by adjacent raised line and photic zone 1.Described raised 4 pass through phase
Interval between adjacent two battery strings is connected on the packaging adhesive film, when carry out in step S3 when vacuumizing lamination treatment,
Described raised 4 can be adhesively fixed with the encapsulated layer 2 of formation, so as to fixed photic zone 1, at the same time, the back of the body of the cell piece 3
It can be adhesively fixed on the encapsulated layer 2 to the face of the photic zone 1, the backing layer 5 can be adhesively fixed in the encapsulation
Layer 2, away from the side of the photic zone 1.In step s 2, protrusion 4 is set between battery strings, and it is former not influence each battery strings
Some arrangement modes, and can position battery strings, make in its laminating operation in step S3, will not generate cell piece 3 shift or
And piece problem.
As a kind of preferable embodiment, the thickness at the packaging adhesive film, opposite with 1 edge of photic zone position
Degree is more than the thickness in the packaging adhesive film centre, that is, packaging adhesive film surrounding thickness increases in right amount, so as to be carried out in step S3
After lamination treatment, the obtained encapsulated layer 2 is capable of the edge of tight bond photic zone 1 and backing layer 5, described so as to seal
Whole edges of photovoltaic module form and encapsulate good photovoltaic module.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
By combining, being superimposed.
The better embodiment of the above, only the utility model, not does in any form the utility model
Limitation.Anyone can obtain other various forms of products under the enlightenment of the utility model, however, in its shape or knot
Make any variation on structure, it is every that there is technical solution identical or similar to the present application, all fall within the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of photovoltaic module, which is characterized in that including the photic zone (1), battery component and encapsulated layer (2) stacked gradually；
The battery component includes at least one cell piece (3), and the cell piece (3) is layed in the photic zone (1) and described
Between encapsulated layer (2) and with the one side towards the photic zone (1), have between the one side and the photic zone (1) pre-
If interval.
2. photovoltaic module according to claim 1, which is characterized in that the direction battery component of the photic zone (1)
Side be provided with raised (4), the protrusion (4), which can abut, is fixed on the encapsulated layer (2), with the photic zone (1)
At least one sealed chamber is surrounded with the encapsulated layer (2), the cell piece (3) is set in the sealed chamber.
3. photovoltaic module according to claim 2, which is characterized in that the sealed chamber is vacuum chamber.
4. the photovoltaic module according to Claims 2 or 3, which is characterized in that the protrusion (4) is raised line, multiple described convex
Item is arranged in parallel, and the two neighboring raised line surrounds a bar shaped annular seal space with the photic zone (1) and the encapsulated layer (2)
Room.
5. photovoltaic module according to claim 4, which is characterized in that multiple raised lines equally spacedly arrange setting, shape
Into the bar shaped sealed chamber that is multiple of same size and being set up in parallel.
6. photovoltaic module according to claim 4, which is characterized in that more at least one bar shaped sealed chamber
A cell piece (3) along the bar shaped sealed chamber length direction, be arranged in series in a row, formed battery strings.
7. photovoltaic module according to claim 6, which is characterized in that
The protrusion height of the raised line is more than the thickness of the battery strings, and the difference of the protrusion height and the thickness is 1-
3mm；And/or
The spacing of the two neighboring raised line is more than the width of the cell piece (3), the spacing of the two neighboring raised line and institute
The difference for stating the width of cell piece (3) is 3-4mm；And/or
When for tool there are one during the raised line, the width of the raised line is less than two batteries between the two neighboring battery strings
Spacing between string, the difference of the spacing between the width of the raised line and two battery strings is 1-2mm.
8. according to claim 2-3,5-7 any one of them photovoltaic modulies, which is characterized in that raised (4) and described
Photosphere (1) is fixedly connected or integrated setting.
9. according to claim 1-3,5-7 any one of them photovoltaic modulies, which is characterized in that the cell piece (3) is backwards
The face of the photic zone (1) is fixed on the encapsulated layer (2).
10. according to claim 1-3,5-7 any one of them photovoltaic modulies, which is characterized in that the photovoltaic module further includes
Backing layer (5), the backing layer (5) be fixed on the encapsulated layer (2), away from the side of the photic zone (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407139.3U CN207572381U (en) | 2017-10-27 | 2017-10-27 | A kind of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407139.3U CN207572381U (en) | 2017-10-27 | 2017-10-27 | A kind of photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572381U true CN207572381U (en) | 2018-07-03 |
Family
ID=62692541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721407139.3U Active CN207572381U (en) | 2017-10-27 | 2017-10-27 | A kind of photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887462A (en) * | 2017-10-27 | 2018-04-06 | 珠海格力电器股份有限公司 | A kind of photovoltaic module and preparation method thereof |
| CN111710737A (en) * | 2020-06-29 | 2020-09-25 | 晶科绿能(上海)管理有限公司 | Manufacturing method of laminated assembly and photovoltaic assembly |
-
2017
- 2017-10-27 CN CN201721407139.3U patent/CN207572381U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887462A (en) * | 2017-10-27 | 2018-04-06 | 珠海格力电器股份有限公司 | A kind of photovoltaic module and preparation method thereof |
| CN111710737A (en) * | 2020-06-29 | 2020-09-25 | 晶科绿能(上海)管理有限公司 | Manufacturing method of laminated assembly and photovoltaic assembly |
| CN111710737B (en) * | 2020-06-29 | 2024-05-07 | 晶科绿能(上海)管理有限公司 | Laminated assembly and manufacturing method of photovoltaic assembly |
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