CN104377259B - Double glass photovoltaic cell components - Google Patents
Double glass photovoltaic cell components Download PDFInfo
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- CN104377259B CN104377259B CN201310733663.XA CN201310733663A CN104377259B CN 104377259 B CN104377259 B CN 104377259B CN 201310733663 A CN201310733663 A CN 201310733663A CN 104377259 B CN104377259 B CN 104377259B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/52—PV systems with concentrators
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Abstract
The invention discloses a kind of double glass photovoltaic cell component, including: body, described body includes the first glassy layer, the first encapsulated layer, cell piece group layer, the second encapsulated layer and the second glassy layer being cascading, and the outward flange of the first and second glassy layers exceedes described first encapsulated layer, cell piece group layer and the outward flange of the second encapsulated layer；It is located at the reflecting coating on the second glassy layer；End seal block, described end seal block is located between the first glassy layer and described second glassy layer, and is positioned at the periphery of the first encapsulated layer/cell piece group layer/the second encapsulated layer；And it is located at the frame on body peripheral limit.According to double glass photovoltaic cell components of the present invention, by end seal block, compensate for traditional encapsulating material and be exposed to outer deficiency, it is possible to intercept steam, corrosive gas enters assembly, extends assembly life-span；Reflecting coating can will transmit through the light in cell piece gap and reflect back to reduce encapsulation loss, and frame can effectively protect battery component.
Description
Technical field
The present invention relates to area of solar cell, especially relate to a kind of double glass photovoltaic cell component.
Background technology
Existing solar double-glass assemblies uses safety glass as backboard, and front uses ultraviolet high EVA or PVB, one layer of the back side thoroughly
EVA uses white EVA or PVB.The defect of this assembly the following aspects:
First, the solar double-glass assemblies back side use airtight, fluid-tight glass, be possible to prevent steam enter assembly, but two
Gap between the edge of sheet glass remains a weak link, and steam still can enter in assembly through encapsulating film
Portion, and due to the airtight effect of glass, be difficult to spread out.Under action of ultraviolet radiation, EVA encapsulating film decomposes generation
The little molecule such as acetic acid still can corrosion cell sheet, reduce assembly life-span.If PVB encapsulation, owing to PVB absorbs water
Property is the highest, and problem can be more serious.
Second, the back side uses white EVA or PVB to be probably diffused into after there is problems of white portion life-time service
The front of cell piece, is formed cell piece and blocks, cause hot spot, affect component efficiency.
3rd, there is potential safety hazard without frame in module edge, because the place of safety glass most fragile is edge and corner,
If it is improper to protect, it is easy to cause assembly fragmentation.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.To this end, one object of the present invention exists
In proposing a kind of good weatherability, life-span length and the double glass photovoltaic cell components high to absorption of UV.
According to a kind of double glass photovoltaic cell components of the present invention, including body, described body includes being cascading
First glassy layer, the first encapsulated layer, cell piece group layer, the second encapsulated layer and the second glassy layer, described first glass
The outward flange of layer and described second glassy layer exceedes described first encapsulated layer, cell piece group layer and the outside of the second encapsulated layer
Edge；Reflecting coating, described reflecting coating is located at the side surface towards described cell piece group layer of described second glassy layer
On；End seal block, described end seal block is located between described first glassy layer and described second glassy layer, and institute
State end seal block and be positioned at the periphery of the first encapsulated layer/cell piece group layer/the second encapsulated layer；And frame, described frame
It is located on the neighboring of described body.
According to double glass photovoltaic cell components of the present invention, by arranging end seal block, compensate for traditional photovoltaic module limit
Encapsulating material is exposed to outer deficiency, first glassy layer closely knit in conjunction with levels and the second glassy layer, it is possible to very by edge
The good steam intercepted in environment, corrosive gas enter component internal, and the assembly that slows down is decayed, and extends assembly life-span；
By arranging reflecting coating, it is possible to the light that will transmit through cell piece gap reflects back to reduce encapsulation loss；By setting
Put frame, when having the edge of external impacts battery component or four turnings, can farthest avoid the of body
One glassy layer and the second glassy layer are crashed, and thus protect battery component, it is simple to transport and life-span are long.It addition, can
Effectively busbar is drawn by frame from the edge of body.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Substantially, or by the practice of the present invention recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will become bright from combining the accompanying drawings below description to embodiment
Aobvious and easy to understand, wherein:
Fig. 1 is the sectional view of double glass photovoltaic cell components according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the double glass photovoltaic cell components shown in Fig. 1；
Fig. 3 is the frame schematic cross-section of the double glass photovoltaic cell components shown in Fig. 1；
Fig. 4 is the expansion schematic diagram of frame in Fig. 2；
Fig. 5 is the light reflection principle figure of the double glass photovoltaic cell component dorsulum layers shown in Fig. 1；
Fig. 6 is the schematic diagram of rosette in the most double glass photovoltaic cell component；
Fig. 7 a and Fig. 7 b is the top and bottom perspective views of the rosette shown in Fig. 1；
Fig. 8 is the schematic diagram of the most double glass photovoltaic cell component；
Fig. 9 is the partial enlarged drawing in the double glass photovoltaic cell components shown in Fig. 8, illustrated therein is diode and wiring
The assembling of box；
Figure 10 is to draw positive pole and the schematic diagram of negative terminal box respectively in the double glass photovoltaic cell components shown in Fig. 9;
Figure 11 be in Figure 10 A to side view；
Figure 12 is the partial schematic diagram of the second glassy layer in the double glass photovoltaic cell components shown in Fig. 9, illustrated therein is
Holding tank.
Reference:
Body 1；
First glassy layer 11；First encapsulated layer 12；Cell piece group layer 13；Busbar 131；
Second encapsulated layer 14；Second glassy layer 15；Holding tank 16；
Reflecting coating 2；End seal block 3；
Rosette 4；
First embodiment:
Box body 41a；Chamber 40a；Sub-chamber 401a, 402a and 403a；
Through wires hole 411a；Dividing plate 42a；Conducting block 43a；Diode 44a；Connector 45a；Cable 46a；
Second embodiment:
Box body 41b；Chamber 410b；Through wires hole 411b；Conducting strip 42b；Plug connector 43b；Cable 44b；
Fixing device 5；Frame 6；Breach 60；U-lag 61；Raised line 62；V-shaped groove 63；Ground hole 64；
Fluid sealant 7；Encapsulation connector 8；Thin slice diode 9
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish phase
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to
The embodiment that accompanying drawing describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " on ", D score, "front", "rear", " top ",
Orientation or the position relationship of the instruction such as " end ", " interior ", " outward " are based on orientation shown in the drawings or position relationship,
It is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have
Specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, art
Language " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or hidden
Containing the quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " install ",
" be connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect,
Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible in by
Between medium be indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, may be used
Above-mentioned term concrete meaning in the present invention is understood with concrete condition.
Below with reference to Fig. 1-Figure 12, a kind of double glass photovoltaic cell components according to embodiments of the present invention are described.
According to double glass photovoltaic cell components of the present invention, including: body 1, reflecting coating 2, end seal block 3 and limit
Frame 6.
As it is shown in figure 1, body 1 includes first glassy layer the 11, first envelope being cascading being cascading
Dress layer 12, cell piece group layer the 13, second encapsulated layer 14 and the second glassy layer 15, the first glassy layer 11 and second
The outward flange of glassy layer 15 is more than the first encapsulated layer 12, cell piece group layer 13 and the outward flange of the second encapsulated layer 14.Can
Selection of land, the first glassy layer 11 can be the common super white patterned safety glass of low ferrum or the super white patterned safety glass of the low ferrum of plated film,
Second glassy layer 15 can be the common super white patterned safety glass of low ferrum or ordinary glass.By using the first glass
Layer 11 and the second glassy layer 15, improve the intensity of body 1, improve the ability bearing load of body 1.Due to
Glass has superpower weatherability, ageing-resistant performance, insulating properties and fire protecting performance, anti-wear performance also ratio macromolecule backboard
High.Use glass as backboard and can strengthen the ageing-resistant performance of battery component well, and according to this
The most therefore pressure performance and the fire protecting performance of bright double glass photovoltaic cell components are improved.
Reflecting coating 2 is located on the side surface towards cell piece group layer 13 of the second glassy layer 15 (such as Fig. 1 and Fig. 5
Shown in lower surface).Alternatively, reflecting coating 2 is that flat board is network-like, and the first glassy layer 11 is clouded glass.
End seal block 3 is located between the first glassy layer 11 and the second glassy layer 15, and end seal block 3 is positioned at first
The periphery of encapsulated layer 12/ cell piece group layer 13/ second encapsulated layer 14.Specifically, double glass photovoltaic cell components are
One glassy layer the 11, first encapsulated layer 12, cell piece group layer the 13, second encapsulated layer the 14, second glassy layer 15 and end
Sealing block 3 lamination prepares.Wherein, in the description of the present application use symbol "/" represent " with ".
Frame 6 is contained on the neighboring of body 1 by sealant sealing, and alternatively, frame (is such as blocked by frame for movement
Close), silica gel, butyl rubber or two-sided tape be fixed on the outer peripheral outside of body 1.
According to double glass photovoltaic cell components of the present invention, by arranging end seal block, compensate for traditional photovoltaic module limit
Encapsulating material is exposed to outer deficiency, first glassy layer closely knit in conjunction with levels and the second glassy layer, it is possible to very by edge
The good steam intercepted in environment, corrosive gas enter component internal, and the assembly that slows down is decayed, and extends assembly life-span；
Assembly can also inapplicable sealing block 3, assembly disclosure satisfy that the life-span that existing standard specifies.By arranging reflecting coating,
The light that can will transmit through cell piece gap reflects back to reduce encapsulation loss；By arranging frame, rush when there being external force
When hitting the edge of battery component or four turnings, can farthest avoid the first glassy layer 11 and second of body 1
Glassy layer 15 is crashed, and thus protects battery component, it is simple to transport and life-span are long.Furthermore it is possible to effectively will converge
Stream bar 131 is drawn from the edge of body by frame 6.
According to one embodiment of present invention, frame 6 has breach 60, rosette 4, and rosette 4 is arranged on breach
At 60, rosette 4 and body 1 and frame 6 sealing-in, cell piece group layer 13 is from the first glassy layer 11 and the second glass
Drawing busbar 131 between layer 15, rosette 4 electrically connects with busbar 131 to draw the energy of cell piece.
According to some embodiments of the present invention, as it is shown in figure 5, it is the big of circular arc that the cross section of reflecting coating 2 is formed as drift angle
Body is triangular shaped, reflecting coating 2 corresponding to the gap between the adjacent cell sheet in cell piece group layer 13 and/or
Cell piece marginal position is arranged.Thus, with reference to Fig. 5, enter the light to cell piece gap from the first glassy layer 11,
Triangle reflecting coating 2 with circular arc chamfering reflects, and the light after reflection continues instead to the first glassy layer 11
It is mapped on cell piece utilize, thus further increases the utilization rate of photon, improve the output of battery component.
Additionally, in laminating technology, the triangle reflecting coating 2 of band circular arc chamfering will not be to cell piece edge and packaging adhesive film
Damage, it is possible to well agree with in battery component, increase safety and the mechanical stability of battery component, prolong
Grow service life.
Preferably, corresponding to the gap between the adjacent cell sheet in cell piece group layer 13 and/or cell piece marginal position
The reflector layer composition integral network plate structure arranged,
Alternatively, the drift angle radian of the triangle that the cross section of reflecting coating 2 is formed is ∏/6-5 ∏/6.Further, should
The drift angle radian of triangle is ∏/4-∏/2.It is highly preferred that the drift angle radian of this triangle is ∏/3.Alternatively, instead
The base angle angle of the triangle that the cross section of light coating 2 is formed is 15-85 degree.Further, the base angle of this triangle
α angle is 30-70 degree.It is highly preferred that the base angle angle of this triangle is 60 degree.Ordinary skill people in this area
Member be appreciated that the drift angle radian of above-mentioned triangle and base angle angle can arbitrarily with the use of.
In certain embodiments, reflecting coating 2 is white organic polymer layer, includes but not limited to fluorocarbon resin layer, gathers
DAIP layer, polyvinylidene fluoride layer, polyethylene layer, polytetrafluoroethylene floor, fluorocarbon resin modification gather
Compound layer, PDAIP modified poly nitride layer, polyvinylidene fluoride modified polymeric layer, polyethylene change
At least one in property polymeric layer, polytetrafluoroethylmodified modified polymeric layer and white silica gel, has highly reflective, resistance to
The features such as aging is excellent.Reflecting coating 2 by including, but are not limited to spray, coating, the processing technique such as printing tight
Close be attached to clear layer one side.
As shown in Figure 2 and Figure 8, rosette 4 is fastened on the outward flange of body 1, and with frame 6 by glue sealing-in.By
This, rosette 3 is arranged on the edge of battery component rather than at module backside perforate or fluting, maintains the second glass
The complete structure of glass layer 15, will not form stress concentration point, and safety is higher.It addition, this distribution of rosette 3
The length of component internal busbar and External cable can be reduced relative to traditional components, provide cost savings, and reduce
Resistance increases power output.Alternatively, the side towards body 1 of rosette 4 be provided with two cards fit (figure not
Illustrate), two cards fit and are fastened on the outer edge of body 1 respectively.Further, in an optional example,
Rosette 4 is adhesive on the first glassy layer 11 and second glassy layer 15 of body 1.
According to one embodiment of present invention, as in figure 2 it is shown, body 1 is formed as rectangle, rosette 4 be three and that
This is located on one of them minor face of body 1 at interval, by encapsulation connector 8 between the most adjacent two rosettees 4
Being connected, encapsulation connector 8 encapsulates the outward flange of the body 1 at corresponding to breach 60, thus, encapsulates connector 8 He
The edge of body 1 is protected by frame 6 jointly.In contrast, the outer rim of traditional battery component is not protected
Protecting or simply use adhesive tape protection, the assembly of this structure is fragmentation, safety due to the easy stress in the corner of safety glass
Property is relatively low, and when transporting and install, risk is bigger.And double glass photovoltaic cell components according to embodiments of the present invention use U-shaped
Rigid border and encapsulation connector 8 protection after, the edge of battery component and the impact resistant capability of corner have had greatly
Improve, and further enhance the sealing effectiveness of battery component.Certainly this module edge can not also use frame to protect
Protect, or only use adhesive tape protection.
In the present embodiment, frame 6 and encapsulation connector 8 can be respectively multiple material and make.Wherein, can at one
Selecting in example, frame 6 is aluminium part, and encapsulation connector 8 is insulating part, now needs have one on frame 6 and connects
Hole 64, ground.In another optional example, frame 6 and encapsulation connector 8 are aluminium part, the most adjacent two wiring
A ground hole 64 can be equipped with on encapsulation connector 8 between box 4.Certainly, the present invention is not limited to this, limit
Frame 6 and encapsulation connector 8 can be all insulating part, and now, frame 6 and encapsulation connector 8 all will need not arrange
Ground hole 64.
The structure of the rosette 4 of the present embodiment is detailed below.Rosette 4 includes: box body 41a, at least two every
Plate 42a, conducting block 43a, diode 44a and connector 45a.As shown in Figure 6, there is in box body 41a chamber 410,
Having multiple through wires hole 411 on the sidewall of chamber 410, the busbar 131 that in photovoltaic module, cell piece is drawn is adapted to pass through
Through wires hole 411 enters in chamber 410, as shown in Fig. 6 and Fig. 7 b.At least two dividing plate 42a is located in chamber 410
Can be working of plastics chamber 410 to be divided at least three sub-chamber, such as dividing plate 42a.Through wires hole 411 be located to
In few three sub-chamber on the sidewall of the Liang Ge sub-chamber of outermost end.Alternatively, through wires hole 411 is rectangular opening, such as figure
Shown in 7b.
In conducting block 43a is located at chamber 410 and run through at least three sub-chamber, increase the length of conducting block 43a.Converge
Stream bar 131 is suitable to be welded to connect with conducting block 43a thus is drawn by the energy of cell piece.Diode 44a is located at least
In middle sub-chamber in three sub-chamber so that prevent when running into hot spot effect cell piece from burning, and there is no light
According to time prevent electric current backflow.Diode 44a electrically connects with conducting block 43a, it is preferable that diode 44a is soldered to lead
On electricity block 43a.Connector 45a is positioned at outside box body 41a and is connected with conducting block 43a by cable 46a.
Thus, rosette 4 according to embodiments of the present invention, by dividing plate 42a, chamber 410 is divided into multiple sub-chamber,
And diode 44a is located in middle sub-chamber, when welding busbar 131, the weld at diode 44a will not
Melt, it is to avoid diode sealing-off.It addition, when diode 44a lost efficacy or rosette 4 lost efficacy, only lower remittance need to be welded
Stream bar 131, or taken out from through wires hole 411 by busbar 131 and just can take off rosette, easy and simple to handle saves time, it is simple to
Power plant maintenance, extends assembly life-span.Still optionally further, can also include according to double glass photovoltaic modulies of the present embodiment
SMD thin slice diode 9, thin slice diode 9 is welded on busbar 131 and is laminated to the first glassy layer 11 and
Between two glassy layers 15 so that prevent when running into hot spot effect cell piece from burning, and prevent electric current when there is no illumination
Flow backwards.
According to the present invention one preferably gives birth to example, and the quantity of dividing plate 42a is two, and two dividing plate 42a are by chamber
410 are divided into three sub-chamber, the i.e. first sub-chamber 401a, the second sub-chamber 402a and the 3rd sub-chamber 403a, wherein
Diode 44a is located in middle sub-chamber 402a, as shown in Figure 6.The sub-chamber at diode 44a place that is
Sealed by casting glue in two sub-chamber 402a.Thus, it is possible to keep the filling having heat conductivity good around diode 44a
Sealing, it is possible to reduce the temperature of diode in time, protects diode.Alternatively, the first sub-chamber 401a and the 3rd
Cavity can be kept, it is also possible to pour into casting glue in chamber 403a.
Alternatively, box body 41a includes cassette holder and the lid (not shown) mutually fastened, and passes through between lid and cassette holder
Butyl rubber seals, thus ensures the water proofing property of rosette.
The installation process of rosette according to embodiments of the present invention is specifically described, with busbar 131 with lead below with reference to Fig. 6
Illustrate as a example by electricity block 43a welding.
As shown in Figure 6, the busbar 131 that cell piece is drawn from photovoltaic module extend into the first son through through wires hole 411
In chamber 401a and the 3rd sub-chamber 403a, as shown in Figure 6, at the first sub-chamber 401a and the 3rd sub-chamber 403a
Busbar 131 is welded on conducting block 43a when heating by interior reserved scolding tin.Finally casting glue is injected into diode
In the second sub-chamber 402a at 44a place, thus complete the installation of rosette.
Rosette according to embodiments of the present invention, solve existing rosette be difficult to change and welding busbar easy
The problem causing diode sealing-off, increases the service life, it is possible to achieve overlength quality guarantee in 40 years.
As shown in Figure 6, according to another embodiment of the invention, double glass photovoltaic cell components include SMD thin slice two pole
Pipe 9, thin slice diode 9 is welded on busbar 131 and is laminated between the first glassy layer 11 and the second glassy layer 15,
Make to prevent when running into hot spot effect cell piece from burning, and prevent electric current backflow when there is no illumination.Now, wiring
Box 4 is two and is respectively formed as L-shaped, and rosette 4 is located at the two of which adjacent corners of body 1, busbar
In 131 stretch into rosette 4 thus the energy of cell piece is drawn.Specifically, the battery in laying cell piece group layer
During sheet matrix, being directly soldered on busbar 131 by thin slice diode 9, busbar 131 is drawn from two ends, respectively
It is soldered in the positive and negative rosette of body 1 Liang Ge corner, as Figure 8-Figure 10.Alternatively, thin slice diode 9
The length of side be 8-12mm.
Alternatively, the material of rosette 4 can be pottery, thus can improve the tolerance to environment.Certainly, connect
The material of line box 4 can also be plastics.
Wherein in an optional example, the thickness H of diode 9 is less than 0.8mm, otherwise will withstand and be positioned above
The first glassy layer 11 and the second glassy layer 15 with lower section.And in another optional example of the present invention, diode 9
Thickness H be 0.8-2mm, now in the first glassy layer 11 with the relative side of the second glassy layer 15 at least one
On be formed with holding tank 16, the total depth h=H-0.8mm of holding tank 16.If it is to say, the first glassy layer 11
When being provided with holding tank 16 with one of them in the second glassy layer 15, the degree of depth of this holding tank is h=H-0.8mm；As
When really all there is corresponding holding tank 16 on the first glassy layer 11 and the second glassy layer 15, the aggregate depth of two holding tanks
Degree is h=H-0.8mm.Alternatively, as shown in Figure 6, holding tank 16 is formed on the second glassy layer 15.
Preferably, holding tank 16 is square groove, and the big 0.2mm of the length of side of the side ratio diode 9 of holding tank 16.
So, diode 9 substantially and is positioned above the first glassy layer 11 with lower section and the second glassy layer 15 closely
Contact, such that it is able to conduct the heat that diode 9 produces soon.
Specifically, rosette 4 includes: box body 41b, conducting strip 42b and plug connector 43b, has chamber in box body 41b
Room 410b, the sidewall of chamber 410b has through wires hole 411b(as shown in Figure 5), alternatively, through wires hole 11 is
Rectangular opening.Conducting strip 42b is located in chamber 410b, and wherein busbar 131 stretches into chamber 410b through through wires hole 411b
In and is connected with conducting strip 42b, it is outer and pass through cable 44b and be connected with conducting block that plug connector 43b is positioned at box body 41b.
Alternatively, busbar 131 and conducting strip 42b can be to be welded to connect or be connected together.
Double glass photovoltaic cell components according to embodiments of the present invention, solve existing rosette and are difficult to change and welding
Busbar easily causes the problem of diode sealing-off, increases the service life.It addition, the installation of rosette is simple, required
Cable and busbar are few, reduce resistance and increase power output.
In double glass photovoltaic cell components according to some embodiments of the invention, end seal block 3 can be butyl rubber part or
Oppanol part or the water vapor transmittance adhesive glue part less than 0.01g/m2/ days, thereby compensateed for traditional photovoltaic
Encapsulating material is exposed to outer deficiency by module edge, in conjunction with the first glassy layer 11 and the second glassy layer that levels is closely knit
15, it is possible to well intercept the steam in environment, corrosive gas enters component internal, and the assembly that slows down is decayed, and extends
Assembly life-span.Thus so that according to double glass battery components of the present invention, good weatherability, structural strength are high, and the life-span is long,
High to absorption of UV.
In a further embodiment, multiple fixing device can also be included according to double glass photovoltaic cell components of the present invention
5, multiple fixing devices 5 are located on the side surface away from cell piece group layer 13 of the second glassy layer 15, are used for passing through
Whole battery component is installed to somewhere by fixing device 5.Specifically, as in figure 2 it is shown, the back side of battery component uses
High strength bond is gluing connects four pieces of fixing devices 5, thus can be fixed by screws in fixing device 5 for self-contained battery
On the support (not shown) of assembly.Installing of this mode ensures being more uniformly stressed of battery component, enhances assembly
Bear the ability of load, more safe and reliable.
As in figure 2 it is shown, be provided with the keeper for being fixed in outer carrier by double glass battery components in fixing device 5.
Alternatively, fixing device 5 is four and is evenly distributed on the surface of the second glassy layer 15, the most whole battery component
The back side.Thus, it is possible to easily whole battery component is installed to certain installation surface or mounting bracket (not shown)
On.
The frame in double glass photovoltaic cell components according to embodiments of the present invention is described in detail below with reference to Fig. 1-Fig. 4, its
In be to illustrate as a example by three be located on body minor face by rosette.
As it is shown in figure 1, frame 6 can be fixed on the outer peripheral of body 1 by silica gel, butyl rubber or two-sided tape
Outside.Frame 6 is formed as frame structure, and the cross section of frame 6 has U-lag, and the width of rebate of U-lag is more than
The thickness of body 1 is to cover on the outward flange of body 1.
Alternatively, the thickness of frame 6 is 1-2mm, i.e. the thickness of each edge of the U-lag of frame 6 is 1-2mm.?
In some embodiments, the outer surface of frame 6 is formed with raised line 62, as shown in Figure 3.Alternatively, raised line 62 edgewise
The length direction of frame 6 extends.Further, raised line 62 is along the length direction straight line of frame 6 or curve extension, such as
It can also be spiral extension.By arranging raised line, the bulk strength of frame 6 can be increased, and make frame 6
Outward appearance is more attractive in appearance.
Frame 6 is the one frame 6 that an encapsulation bar is bent to form.Specifically, this encapsulation bar is continuous conductor, its
Middle encapsulation bar has the predetermined crooked place of at least two, forms the V-shaped groove 63 of 90 degree at each predetermined crooked place,
And ground hole 64 is set on encapsulation bar.Using a continuous print frame conductor, reason is, if frame conductor
Every section of limit is discontinuous, then battery component is when mounted, and every section of limit is required for ground connection, increases cost and installation difficulty.Excellent
Selection of land, a diameter of 2-4mm of ground hole 64.It addition, by going out to form three 90 in predetermined square position by encapsulation bar
The V-shaped groove 63 of degree so that during installation can direct bending and forming, the V-shaped groove 63 of 90 degree after such bending is just
Form the corner of frame.
When frame 6 and connector 4 are the high polymer material member of insulation, without outputing ground hole 64 on frame 6
With multiple V-shaped grooves 63, but the size segmentation directly cutting out needs is installed, and will depend on connector 4 by frame 6
Secondary connection.
Additionally, in certain embodiments, the first encapsulated layer 12 and the second encapsulated layer 14 are transparent silicon glue-line or polyolefin layer.
Thus, relative to traditional EVA encapsulating film, having an advantage in that can be through the ultraviolet absorbed by EVA ultraviolet absorber
Light, is converted to electric energy, increases the output of photovoltaic module；It addition, transparent silicon glue-line or polyolefin layer are at ultraviolet lighting
Penetrating down the most stable, the little molecule such as non-degradable generation acetic acid, corrosion cell sheet, weatherability is more preferable.Specifically, thoroughly
Bright silica gel is a kind of membrane structure, for thermoplasticity, is solid-state under room temperature, and temperature gradually softens after raising.Transparency liquid
Silica gel is a kind of double-component silica gel, is liquid under room temperature, two components uniformly mix with 1:1 after at 50～130 DEG C
Lamination can be solidified into heat cured transparent silica gel, and laminating temperature is low, saves the energy, and contributes to prolonged layer press
Life-span.The backboard of solar double-glass assemblies and header board are all the glass of rigidity, are more convenient for gluing than the Normal back plate of macromolecular material
And lamination.When the first encapsulated layer 12 and the second encapsulated layer 14 are polyolefin layer, thermosetting polyolefin or thermoplastic poly
Alkene.Assembly temperature when actually used is likely to be breached 80～100 DEG C, and thermoplastic film can soften, and has certain flowing
Property, and thermosetting film does not have this problem, assembly heat resistance is higher.
According to double glass photovoltaic cell components of the present invention, good weatherability, structural strength are high, and the life-span is long, to ultra-violet absorption
Rate is high.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ", " show
Example ", the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes specific features, knot
Structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned term
Schematic representation be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: do not taking off
In the case of the principles and objective of the present invention, these embodiments can be carried out multiple change, revise, replace and modification,
The scope of the present invention is limited by claim and equivalent thereof.
Claims (13)
1. a double glass photovoltaic cell component, it is characterised in that including:
Body, the first glassy layer that described body includes being cascading, the first encapsulated layer, cell piece group layer, second
Encapsulated layer and the second glassy layer, the outward flange of described first glassy layer and described second glassy layer exceedes described first envelope
Dress layer, cell piece group layer and the outward flange of the second encapsulated layer；
Reflecting coating, described reflecting coating is located at the side surface towards described cell piece group layer of described second glassy layer
On, described reflecting coating is that flat board is network-like；
End seal block, described end seal block is located between described first glassy layer and described second glassy layer, and described
End seal block is positioned at the periphery of the first encapsulated layer/cell piece group layer/the second encapsulated layer；And
Frame, described frame is located on the neighboring of described body.
The most according to claim 1 pair of glass photovoltaic cell component, it is characterised in that described frame by silica gel,
Butyl rubber or two-sided tape are fixed on the neighboring of described body.
The most according to claim 1 pair of glass photovoltaic cell component, it is characterised in that described frame is formed as framework
Structure, and the cross section of described frame has U-lag, the width of rebate of described U-lag is more than described photovoltaic cell group
The thickness of part is to cover on the outward flange of described photovoltaic cell component.
The most according to claim 2 pair of glass photovoltaic cell component, it is characterised in that the thickness of described frame is
1-2mm。
The most according to claim 4 pair of glass photovoltaic cell component, it is characterised in that on the outer surface of described frame
Being formed with raised line, described raised line extends along the length direction of described frame.
The most according to claim 1 pair of glass photovoltaic cell component, it is characterised in that described frame is an encapsulation
The one frame that bar is bent to form.
The most according to claim 6 pair of glass photovoltaic cell component, it is characterised in that described encapsulation bar has at least
Two predetermined crooked place, form the V-shaped groove of 90 degree at each predetermined crooked place.
The most according to claim 1 pair of glass photovoltaic cell component, it is characterised in that described first encapsulated layer and
Two encapsulated layers are transparent liquid silica gel layer or polyolefin layer.
9. according to the double glass photovoltaic cell components according to any one of claim 1-8, it is characterised in that described end
Sealing block is butyl rubber part or Oppanol part.
The most according to claim 1 pair of glass photovoltaic cell component, it is characterised in that described pair of glass photovoltaic cell group
Part is the first glassy layer, the first encapsulated layer, cell piece group layer, the second encapsulated layer, the second glassy layer and end seal block
Lamination prepares.
11. according to claim 1 pairs of glass photovoltaic cell components, it is characterised in that described reflector layer corresponds to institute
State the gap between the adjacent cell sheet in cell piece group layer and/or cell piece marginal position is arranged, described reflecting coating
Network-like for flat board, described first glassy layer is clouded glass.
12. according to claim 11 pairs of glass photovoltaic cell components, it is characterised in that described reflector layer corresponds to
The gap between adjacent cell sheet and/or cell piece marginal position in described cell piece group layer are arranged, described reflective painting
Layer has convex-concave surface.
13. according to claim 11 pairs of glass photovoltaic cell components, it is characterised in that reflecting coating is that white has
Machine polymeric coating layer.
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| CN201310733663.XA CN104377259B (en) | 2013-12-27 | 2013-12-27 | Double glass photovoltaic cell components |
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| CN201310733663.XA CN104377259B (en) | 2013-12-27 | 2013-12-27 | Double glass photovoltaic cell components |
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| CN104377259A CN104377259A (en) | 2015-02-25 |
| CN104377259B true CN104377259B (en) | 2016-09-21 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106301187A (en) * | 2015-06-08 | 2017-01-04 | 江苏银环新能源科技有限公司 | Double glass boundless deckle strap hook intelligent assembly |
| CN104901609A (en) * | 2015-06-09 | 2015-09-09 | 李华良 | Portable photovoltaic device |
| CN104935247B (en) * | 2015-06-19 | 2018-02-27 | 苏州腾晖光伏技术有限公司 | A kind of high mechanical load light weight solar battery component |
| CN105185853A (en) * | 2015-10-08 | 2015-12-23 | 阿特斯(中国)投资有限公司 | Double-glazed photovoltaic module |
| CN106928883B (en) * | 2015-12-31 | 2019-02-26 | 比亚迪股份有限公司 | A kind of sealant tape composition and sealant tape and its application |
| CN106653900A (en) * | 2016-11-30 | 2017-05-10 | 安徽电气集团股份有限公司 | Dual-glass photovoltaic module |
| CN107256901A (en) * | 2017-07-19 | 2017-10-17 | 日氟荣高分子材料(上海)有限公司 | A kind of pair of glass photovoltaic module and its production and use |
| CN107863407B (en) * | 2017-12-14 | 2020-02-04 | 天合光能股份有限公司 | Double-sided double-glass photovoltaic assembly glass backboard and double-sided double-glass photovoltaic assembly |
| CN111106193A (en) * | 2018-10-26 | 2020-05-05 | 盐城大丰阿特斯阳光电力科技有限公司 | Solar cell module and preparation method thereof |
| CN109626867A (en) * | 2018-12-29 | 2019-04-16 | 常州华美光电新材料有限公司 | Photovoltaic module high reflection applies glaze glass preparation technique |
| CN112310236A (en) * | 2020-09-15 | 2021-02-02 | 重庆神华薄膜太阳能科技有限公司 | Packaging adhesive film material and packaging method of photovoltaic module |
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| CN102277131A (en) * | 2010-04-09 | 2011-12-14 | 日东电工株式会社 | Sealing composition, multiple glass and solar cell panel |
| CN103390655A (en) * | 2012-05-10 | 2013-11-13 | 常熟阿特斯阳光电力科技有限公司 | Light-reflecting coating, method for preparing same and photovoltaic module using same |
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| JP2010278358A (en) * | 2009-05-29 | 2010-12-09 | Nitto Denko Corp | Adhesive seal material for end portion of frameless solar cell module, frameless solar cell module, and sealed structure of end portion thereof |
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| CN102277131A (en) * | 2010-04-09 | 2011-12-14 | 日东电工株式会社 | Sealing composition, multiple glass and solar cell panel |
| CN103390655A (en) * | 2012-05-10 | 2013-11-13 | 常熟阿特斯阳光电力科技有限公司 | Light-reflecting coating, method for preparing same and photovoltaic module using same |
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