CN206820720U - White double glass imbrication photovoltaic modulies and photovoltaic system - Google Patents
White double glass imbrication photovoltaic modulies and photovoltaic system Download PDFInfo
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- CN206820720U CN206820720U CN201720789731.8U CN201720789731U CN206820720U CN 206820720 U CN206820720 U CN 206820720U CN 201720789731 U CN201720789731 U CN 201720789731U CN 206820720 U CN206820720 U CN 206820720U
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- double glass
- photovoltaic modulies
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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 utility model discloses white double glass imbrication photovoltaic modulies and photovoltaic system, is related to white double glass imbrication photovoltaic module fields.The utility model provides a kind of white double glass imbrication photovoltaic modulies, including the first glassy layer, the first cross-linked layer, battery component, the second cross-linked layer, the second glassy layer and the terminal box being sequentially connected, battery component includes multiple cell pieces, multiple cell pieces form multiple battery strings, each battery strings are connected by multiple cell pieces to be formed, and multiple battery strings are connected and electrically connected with terminal box, have gap between multiple battery strings.The edge of multiple cell pieces in same battery strings has lamination.A kind of photovoltaic system, which employs the double glass imbrication photovoltaic modulies of above-mentioned white.White pair glass imbrication photovoltaic module and photovoltaic system provided by the utility model can improve optoelectronic transformation efficiency, and can reduce loss caused by hot spot phenomenon.
Description
Technical field
White double glass imbrication photovoltaic module fields are the utility model is related to, in particular to white double glass imbrication photovoltaics
Component and photovoltaic system.
Background technology
In the double glass imbrication photovoltaic modulies of present white, such as solar double-glass assemblies, its structure:By two blocks of safety glass, EVA glue
Film and silicon chip of solar cell, composition composite bed is laminated by laminating machine high temperature, is collected between cell piece by painting tin band series and parallel
The photovoltaic cell component formed to lead end.It includes first layer toughened glass layer, the second layer from top to bottom set gradually
PVB or PO or EVA or ionomer material layer, third layer monocrystalline or polycrystalline battery layer, the 4th layer of PVB or PO films or EVA
Or ionomer material layer and layer 5 safety glass or high bleed-through flaggy.
But the existing double glass imbrication photovoltaic modulies of white are in use there is also certain deficiency, for example, easily there is " heat
Spot " phenomenon, i.e. for a long time under certain condition, the percentage of batteries in photovoltaic system can be hidden the component by other objects around
Gear, causes local shades, and this will cause some battery-heatings that are blocked, and just occurs that component power decays, and performance reduces, and then
Influence whole system generating capacity and the phenomenon of gross output;In addition, the existing double glass imbrication photovoltaic module photoelectricity of white turn
Rate is not high, and typically below 15%, its reason, which essentially consists in the component, is sealed using the common EVA adhesive film of two layers of identical
Dress, and the common EVA adhesive film light transmittance in upper surface is relatively low, usually less than 91%, and the common EVA adhesive film in lower surface due to be it is transparent not
Possess reflective, so, the photon amount on crystalline silicon battery plate is reached by the glued membrane and is blocked reducing;In addition, be exactly through
The partial photonic of crystalline silicon battery plate can not be reflected by adhesive film to be recycled, and also have lost the secondary use of photon, the two
It is larger that aspect make it that double double glass imbrication photovoltaic modulies of glass white lose in terms of photoelectric conversion.
Utility model content
The purpose of this utility model is to provide a kind of white double glass imbrication photovoltaic modulies, and it can improve photoelectric conversion
Rate, and loss caused by hot spot phenomenon can be reduced.
Another object of the present utility model is to provide a kind of photovoltaic system, and it can improve optoelectronic transformation efficiency, and can subtract
Loss caused by few hot spot phenomenon.
The utility model provides a kind of technical scheme:
A kind of double glass imbrication photovoltaic modulies of white, including be sequentially connected the first glassy layer, the first cross-linked layer, battery pack
Part, the second cross-linked layer, the second glassy layer and terminal box, the battery component include multiple cell pieces, and multiple cell pieces connect
Connect to form multiple battery strings, each battery strings are connected by multiple cell pieces to be formed, and multiple battery strings series connection are simultaneously
Electrically connected with the terminal box, there is gap between multiple battery strings.Multiple electricity in the same battery strings
The edge of pond piece has lamination.
Further, the width of the lamination is 0.1mm~2mm.
Further, the cell piece has the first face and the second face that are oppositely arranged, and the is offered on first face
One neck, first neck are opened in the side in first face, offer the second neck on second face, and described second
Neck is opened in the side away from first neck on second face.
Further, first glassy layer includes super white patterned coated toughened glass layer, the super white patterned coating steel
Change glassy layer and be connected to first cross-linked layer, and the thickness of the super white patterned coated toughened glass layer is 2mm~6mm.
Further, first cross-linked layer includes high EVA adhesive film layer thoroughly, the high relative both sides of EVA adhesive film layer thoroughly
Be connected to first glassy layer and the battery component, the thickness of the high EVA adhesive film layer thoroughly for 0.38mm~
0.6mm。
Further, second cross-linked layer includes white EVA adhesive film layer, the relative both sides of the white EVA adhesive film layer
Be connected to the battery component and the second glassy layer, and the thickness of the white EVA adhesive film layer be 0.38mm~
0.6mm。
Further, second glassy layer includes toughened glass layer, and the toughened glass layer is fixedly connected on described
Two cross-linked layers, and the thickness of the toughened glass layer is 2mm~6mm.
Further, the battery component also includes both positive and negative polarity bar, and multiple battery strings pass through the both positive and negative polarity bar string
Connection, and the both positive and negative polarity bar electrically connects with the terminal box.
Further, pole hole is offered out on second glassy layer, the both positive and negative polarity bar goes out pole hole and institute described in
State terminal box electrical connection.
A kind of photovoltaic system, including housing and the double glass imbrication photovoltaic modulies of white, the double glass imbrication photovoltaic modulies of white
Including the first glassy layer, the first cross-linked layer, battery component, the second cross-linked layer, the second glassy layer and the terminal box being sequentially connected, institute
Stating battery component includes multiple cell pieces, and multiple cell pieces form multiple battery strings, and each battery strings are by multiple electricity
Pond piece is connected to be formed, and multiple battery strings are connected and electrically connected with the terminal box, are had between multiple battery strings
There is gap.The edge of multiple cell pieces in the same battery strings has lamination.The double glass imbrication photovoltaics of white
Component is fixedly connected on the housing.
Compared with prior art, the beneficial effect of the double glass imbrication photovoltaic modulies of white provided by the utility model and photovoltaic system
It is:
White pair glass imbrication photovoltaic module and photovoltaic system provided by the utility model are serially connected by multiple cell pieces
Multiple battery strings are formed, and the edge of multiple cell pieces in same battery strings has lamination, eliminates script cell piece
Between gap, add the quantity of battery component set battery piece, further increase the two of photoelectric conversion, improve electric energy
Yield.Multiple battery strings connect to form battery component, gap be present between each battery strings, the side connected by multiple battery strings
Formula, reduce the influence that reverse current produces hot spot effect to component.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as.For those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the detonation configuration signal for the double glass imbrication photovoltaic modulies of white that first embodiment of the present utility model provides
Figure;
Fig. 2 is the double glass imbrication photovoltaic module partial structural diagrams of white that first embodiment of the present utility model provides;
Fig. 3 is the structural representation of the first arrangement mode of the cell piece of first embodiment of the present utility model offer;
Fig. 4 is the structural representation of second of arrangement mode of cell piece that first embodiment of the present utility model provides;
Fig. 5 is the structural representation of the third arrangement mode of the cell piece of first embodiment of the present utility model offer;
Fig. 6 is the structural representation for the 4th kind of arrangement mode of cell piece that first embodiment of the present utility model provides.
Icon:The double glass imbrication photovoltaic modulies of 10- whites;The glassy layers of 100- first;The super white patterned coated toughened glass of 110-
Layer;The cross-linked layers of 200- first;The high EVA adhesive film layers thoroughly of 210-;300- battery components;310- cell pieces;The faces of 311- first;3111-
First neck;The faces of 312- second;The necks of 3121- second;313- laminations;320- battery strings;330- both positive and negative polarity bars;400- second is handed over
Join layer;410- white EVA adhesive film layers;The glassy layers of 500- second;510- toughened glass layers;520- goes out pole hole;600- terminal boxes.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under "
For based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation or position usually put
Relation, or the orientation that usually understands of those skilled in the art or position relationship, are for only for ease of description the utility model
Described with simplifying, rather than the equipment or element of instruction or hint meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In description of the present utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or one
Ground connects;Can be mechanical connection or electrical connection;Can be directly connected to, can also by between intermediary in succession
Connect, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be
Concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
First embodiment
Fig. 1 and Fig. 2 are please referred to, present embodiments provides a kind of double glass imbrication photovoltaic modulies 10 of white, it can be carried
High optoelectronic transformation efficiency, and loss caused by hot spot phenomenon can be reduced.Wherein, the double glass imbrication photovoltaic modulies 10 of white include the first glass
Glass layer 100, the first cross-linked layer 200, battery component 300, the second cross-linked layer 400, the second glassy layer 500 and terminal box 600, and
And first glassy layer 100, the first cross-linked layer 200, battery component 300, the second cross-linked layer 400, the second glassy layer 500 and connect
Line box 600 is sequentially connected.That is, the side of the through-thickness of the first glassy layer 100 is connected to the through-thickness of the first cross-linked layer 200
Side, the opposite side of the through-thickness of the first cross-linked layer 200 is connected to the side of the through-thickness of battery component 300, battery
The opposite side of the through-thickness of component 300 is connected to the side of the through-thickness of the second cross-linked layer 400, the edge of the second cross-linked layer 400
The opposite side of thickness direction is connected to the side of the through-thickness of the second glassy layer 500, and terminal box 600 is connected to the second glassy layer
The opposite side of 500 through-thickness.First glassy layer 100, the first cross-linked layer 200, battery component 300, the and of the second cross-linked layer 400
The superposition of second glassy layer 500 carries out laminated into type.
Battery component 300 includes multiple cell pieces 310, and multiple connections of cell piece 310 form multiple battery strings 320, each
Battery strings 320 are connected by multiple cell pieces 310 and formed, and multiple battery strings 320 are connected and electrically connected with terminal box 600, more
There is gap between individual battery strings 320.Wherein, the quantity of the cell piece 310 in each battery strings 320 is identical, each to cause
The yield of the electric energy of battery strings 320 is suitable, further such that the electric current in every battery strings 320 is suitable, avoids causing part to send out
Cause thermal damage battery component 300.Also, the width in the gap between the adjacent battery strings 320 of each two is identical, to cause battery pack
The arrangement of part 300 more neat compact, manufacture craft can be simplified, improve and make output capacity.
In addition, referring to Fig. 3, the edge of multiple cell pieces 310 in same battery strings 320 has lamination 313.In this reality
Apply in example, adjacent two sides close to each other of cell piece 310 are set using the modes of emplacement of stacked tile type, and form lamination
313.Multiple cell pieces 310 are set by the way of stacked tile type so that can be placed more cell pieces 310 in the same space, be made
More cell pieces 310 can be loaded by obtaining battery component 300, improve the electric energy production of battery component 300.Also, use imbrication
The design of formula can be cancelled in the prior art using welding connection cell piece 310, add the light-receiving area of cell piece 310, enter one
Step improves electricity conversion.
Further, the width of lamination 313 is 0.1mm~2mm.Using narrower lamination 313, avoid blocking too many electricity
Pond piece 310 cause the sheet of cell piece 310 can not normal work, avoid causing the waste of cell piece 310.In the present embodiment, fold
The width of layer 313 is 1mm, can reduce the waste of cell piece 310, while be also avoided that cell piece 310 from another cell piece
The open circuit for causing battery strings 320 is slid on 310, avoids percentage of batteries piece 310 from failing, ensures the photoelectric conversion of battery component 300
Efficiency.
In addition, cell piece 310 has the first face 311 and the second face 312 that are oppositely arranged, the is offered on the first face 311
One neck 3111, the first neck 3111 are located at the side in the first face 311.Offer the second neck 3121 on second face 312, second
Neck 3121 is located at the side in the second face 312.In the present embodiment, the first neck 3111 and the second neck 3121 cause cell piece
310 section is zigzag, when two cell pieces 310 are connected with each other, the first neck 3111 of one of cell piece 310 and another
Second neck 3121 of one cell piece 310, which cooperates, causes two cell pieces 310 mutually to stack to form lamination 313.
It should be noted that in the present embodiment, it is more excellent that the present embodiment is intended only as using the cell piece 310 of zigzag
The mode of choosing.It should be appreciated that in other embodiments, the section of cell piece 310 can also be other shapes, for example, first
The neck 3121 of neck 3111 and second causes cell piece 310 to form "convex" shaped (referring to Fig. 4), or section of cell piece 310
Face is into parallelogram (referring to Fig. 5).
Referring to Fig. 6, it should be appreciated that in other embodiments, the first neck 3111 and the second neck can also be cancelled
3121 setting, arranged between cell piece 310 and cell piece 310 by the way of stacking.
In addition, battery component 300 also includes both positive and negative polarity bar 330, multiple battery strings 320 are connected by both positive and negative polarity bar 330, and
And both positive and negative polarity bar 330 electrically connects with terminal box 600.
Further, be further opened with out pole hole 520 on the second glassy layer 500, both positive and negative polarity bar 330 pass through out pole hole 520 with
Terminal box 600 electrically connects.
In addition, the first glassy layer 100 includes super white patterned coated toughened glass layer 110, super white patterned coated toughened glass
Layer 110 is connected to the first cross-linked layer 200, and the thickness of super white patterned coated toughened glass layer 110 is 2mm~6mm.In this reality
Apply in example, the thickness of super white patterned coated toughened glass layer 110 is 2.5mm.Super white patterned coated toughened glass layer 110 is using super
White embossing coated toughened glass is made.
Please continue to refer to Fig. 1, the first cross-linked layer 200 includes high EVA adhesive film layer 210 thoroughly, and high EVA adhesive film layer 210 thoroughly is relative
Both sides be connected to the first glassy layer 100 and battery component 300, the thickness of high EVA adhesive film layer 210 thoroughly for 0.38mm~
0.6mm.In the present embodiment, the thickness of high EVA adhesive film layer 210 thoroughly is 0.5mm, and high EVA adhesive film layer 210 thoroughly is using high saturating EVA
Material is made, and high EVA thoroughly light transmittance is more than 93% so that after sunlight is through the first glassy layer 100 and the first cross-linked layer 200
Loss it is less, indirectly improve photoelectric conversion efficiency, improve electric energy output capacity.
Second cross-linked layer 400 includes white EVA adhesive film layer 410, and the relative both sides of white EVA adhesive film layer 410 connect respectively
In the second glassy layer 500 and battery component 300, the thickness of white EVA adhesive film layer 410 is 0.38mm~0.6mm.In the present embodiment
In, the thickness of white EVA adhesive film layer 410 is 0.5mm.White EVA adhesive film layer 410 has good reflex, will can wear
The photon for crossing cell piece 310 is reflected back on cell piece 310 and reused again, so as to increase the number of photons to react indirectly
Amount, improve the electric energy output capacity of battery component 300.
Second glassy layer 500 includes toughened glass layer 510, and toughened glass layer 510 is fixedly connected on the second cross-linked layer 400,
And the thickness of toughened glass layer 510 is 2mm~6mm.In the present embodiment, the thickness of toughened glass layer 510 is 2.5mm.Separately
Outside, go out pole hole 520 and run through toughened glass layer 510.
The double glass imbrication photovoltaic modulies 10 of white that the present embodiment provides, be serially connected by multiple cell pieces 310 to be formed it is more
Individual battery strings 320, and the edge of multiple cell pieces 310 in same battery strings 320 has lamination 313, eliminates originally
Gap between cell piece 310, the quantity of the set battery piece 310 of battery component 300 is added, further increases photoelectric conversion
Two, improve electric energy production.Multiple series connection of battery strings 320 form battery component 300, between existing between each battery strings 320
Gap, by way of the series connection of multiple battery strings 320, reduce the influence that reverse current produces hot spot effect to battery component 300.
By high EVA adhesive film layer 210 thoroughly made of high EVA adhesive film thoroughly, light transmittance is enhanced, improves electric energy output capacity.Pass through white
White EVA adhesive film layer 410 made of EVA adhesive film so that the photon through cell piece 310 is reflected back cell piece 310, enters to photon
Go recycling, further increase electric energy output capacity.
Second embodiment
A kind of photovoltaic system (not shown) is present embodiments provided, it can improve optoelectronic transformation efficiency, and can reduce hot spot
Loss caused by phenomenon.Wherein, the photovoltaic system includes the double glass imbrications of white that housing (not shown) and first embodiment provide
Photovoltaic module 10.White double glass imbrication photovoltaic modulies 10 are fixedly connected on housing.Housing is to white double glass imbrication photovoltaic modulies 10
Fixed supporting role is provided, ensures that the double glass imbrication photovoltaic modulies 10 of white can normal work.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. double glass imbrication photovoltaic modulies of white, it is characterised in that including be sequentially connected the first glassy layer, the first crosslinking Layer, battery component, the second cross-linked layer, the second glassy layer and terminal box, the battery component includes multiple cell pieces, multiple described Cell piece is connected to form multiple battery strings, and each battery strings are connected by multiple cell pieces to be formed, and multiple batteries String is connected and electrically connected with the terminal box, has gap between multiple battery strings;The edge of multiple cell pieces in the same battery strings has lamination.
- 2. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that the width of the lamination is 0.1mm~2mm.
- 3. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that the cell piece has relative set The first face and the second face put, the first neck are offered on first face, first neck is opened in first face Side, the second neck is offered on second face, and second neck is opened on second face away from the described first card The side of groove.
- 4. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that first glassy layer includes super White embossing coated toughened glass layer, the super white patterned coated toughened glass layer are connected to first cross-linked layer, and described The thickness of super white patterned coated toughened glass layer is 2mm~6mm.
- 5. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that first cross-linked layer includes height Saturating EVA adhesive film layer, the relative both sides of the high EVA adhesive film layer thoroughly are connected to first glassy layer and the battery pack Part, the thickness of the high EVA adhesive film layer thoroughly is 0.38mm~0.6mm.
- 6. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that second cross-linked layer includes white Color EVA adhesive film layer, the relative both sides of the white EVA adhesive film layer are connected to the battery component and the second glassy layer, and And the thickness of the white EVA adhesive film layer is 0.38mm~0.6mm.
- 7. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that second glassy layer includes steel Change glassy layer, the toughened glass layer is fixedly connected on second cross-linked layer, and the thickness of the toughened glass layer is 2mm ~6mm.
- 8. the double glass imbrication photovoltaic modulies of white according to claim 1, it is characterised in that the battery component is also included just Negative pole bar, multiple battery strings are connected by the both positive and negative polarity bar, and the both positive and negative polarity bar electrically connects with the terminal box.
- 9. the double glass imbrication photovoltaic modulies of white according to claim 8, it is characterised in that opened up on second glassy layer There is pole hole, the both positive and negative polarity bar goes out pole hole described in and electrically connected with the terminal box.
- A kind of 10. photovoltaic system, it is characterised in that the double glass of white including housing and as described in claim 1-9 any one Imbrication photovoltaic module, the double glass imbrication photovoltaic modulies of white are fixedly connected on the housing.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108574025A (en) * | 2018-05-21 | 2018-09-25 | 保定易通光伏科技股份有限公司 | The production method of imbrication component |
CN108878569A (en) * | 2018-07-26 | 2018-11-23 | 楚雄师范学院 | Novel photovoltaic module and solar energy system of tiles |
WO2019196307A1 (en) * | 2018-04-13 | 2019-10-17 | 广东汉能薄膜太阳能有限公司 | Solar roofing tile using lap joint installation |
CN110581192A (en) * | 2018-06-08 | 2019-12-17 | 君泰创新(北京)科技有限公司 | photovoltaic cell module and photovoltaic wall |
CN114695585A (en) * | 2022-03-18 | 2022-07-01 | 苏州零碳绿建新能源科技有限公司 | Photovoltaic tile assembly and preparation method thereof |
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2017
- 2017-06-30 CN CN201720789731.8U patent/CN206820720U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019196307A1 (en) * | 2018-04-13 | 2019-10-17 | 广东汉能薄膜太阳能有限公司 | Solar roofing tile using lap joint installation |
CN108574025A (en) * | 2018-05-21 | 2018-09-25 | 保定易通光伏科技股份有限公司 | The production method of imbrication component |
CN110581192A (en) * | 2018-06-08 | 2019-12-17 | 君泰创新(北京)科技有限公司 | photovoltaic cell module and photovoltaic wall |
CN108878569A (en) * | 2018-07-26 | 2018-11-23 | 楚雄师范学院 | Novel photovoltaic module and solar energy system of tiles |
CN114695585A (en) * | 2022-03-18 | 2022-07-01 | 苏州零碳绿建新能源科技有限公司 | Photovoltaic tile assembly and preparation method thereof |
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