Photovoltaic color steel tile
Technical Field
The utility model relates to a photovoltaic power generation technical field especially relates to a various steel tile of photovoltaic.
Background
With the establishment of the 2030 carbon and 2060 carbon peak-reaching target, the issue of building integration of photovoltaic becomes more and more one of the issues of high concern to practitioners. Many enterprises are repulsively invested in the development and design of building integrated photovoltaic products. From photovoltaic products to photovoltaic building integration products, photovoltaic people tend to redesign and think photovoltaic components and photovoltaic fittings from different angles. Photovoltaic module generally includes backplate, packaging material, battery piece, packaging material and glass, and many enterprises combine photovoltaic module and various steel tile in the trade, and the mode of main combination is for accomplishing photovoltaic module preparation back, pastes fixedly photovoltaic module and the flute of various steel tile through organic silica gel as the binder. The organic silica gel can be divided into single-component silica gel and double-component silica gel, the single-component silica gel generally needs about one week for completely curing at normal temperature, if the single-component silica gel needs to move midway, the time is at least 24 hours later, and the humidity requirement exists when the single-component silica gel is cured; when the two-component silica gel is used, the gel mixing is uniform, the complete curing at normal temperature requires about 24 hours, and if the silica gel is not cured well, the silica gel moves, so that the color steel tile and the photovoltaic module are easy to shift. The photovoltaic module and the color steel tile are combined in the mode, organic silica gel needs to be additionally arranged to paste the color steel tile and the photovoltaic module after the photovoltaic module is manufactured, the manufacturing process is complex, the manufacturing period of a product is long, the manufacturing and storage of a large-area are needed in the manufacturing process, and time and labor are consumed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the complicated and longer technical problem of cycle of manufacturing process that photovoltaic module and various steel tile combine among the prior art, the utility model provides a various steel tile of photovoltaic, through the improvement to various steel tile body structure, fuse into photovoltaic module's a part with various steel tile, can simplify the production preparation flow, shorten product manufacturing cycle, labour saving and time saving and can practice thrift the cost.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a various steel tile of photovoltaic, includes various steel tile body, various steel tile body includes steel backplate, first connecting foot and second connecting foot, one side of steel backplate with first connecting foot fixed connection, the opposite side of steel backplate with second connecting foot fixed connection, first connecting foot with the second connecting foot is relative setting, first connecting foot the steel backplate and form between the second connecting foot with the steel backplate is the bottom holding tank, laid first encapsulated layer, insulating layer, second encapsulated layer, battery piece, third encapsulated layer and cover plate glass by bottom to top in proper order in the holding tank.
The utility model discloses a photovoltaic color steel tile, through the structural improvement to the color steel tile body, first encapsulated layer, insulating layer, second encapsulated layer, battery piece, third encapsulated layer and cover plate glass have been laid in proper order to the top in holding tank bottom, can realize the integrative lamination of color steel tile body and photovoltaic module (photovoltaic module part includes second encapsulated layer, battery piece, third encapsulated layer and cover plate glass), after the lamination, first encapsulated layer can melt and bond the insulating layer on the steel backplate, the second encapsulated layer can melt and bond insulating layer and battery piece, the third encapsulated layer can melt and bond battery piece and cover plate glass; because various steel tile body is metal material, the insulating layer sets up the condition that can prevent to take place the short circuit between battery piece and steel backplate. The utility model discloses a production procedure can be simplified to the structure of various steel tile of photovoltaic, shortens production cycle, improves efficiency in effect.
Further, preferably, the width a of the steel back plate is the same as the width b of the cover glass. Like this, when setting up cover plate glass on the steel backplate, can not have the gap or the gap is very little between cover plate glass both sides and the various steel tile body, can fill up the gap when the encapsulated layer laminated melting back, improve the water-proof effects of the various steel tile of photovoltaic, prolong the life of the various steel tile of photovoltaic.
Further, in order to make the various steel tile body be difficult to warp when carrying out the lamination, first connecting pin is equipped with first in-connection face, first horizontal joint face and first outer joint face, the bottom of first in-connection face with the perpendicular fixed connection in one side of steel backplate, one side of first horizontal joint face with the perpendicular fixed connection in top of first in-connection face, just first horizontal joint face is in the top of first in-connection face is to keeping away from the direction of holding tank extends, the opposite side of first horizontal joint face with the perpendicular fixed connection in first outer joint face top, just first outer joint face with first in-connection face parallel arrangement, form between first in-connection face, first horizontal joint face and the first outer joint face with first horizontal joint face is the first accommodation space at top. The design of first connecting pin vertical structure can improve the ability of anti deformation, and the atress is more even when carrying out the lamination.
Furthermore, in order to make the various steel tile body be difficult to warp when carrying out the lamination, the second is connected the foot and is equipped with second in-connection face, second horizontal joint face and second outer joint face, the bottom of second in-connection face with the perpendicular fixed connection in opposite side of steel backplate, one side of second horizontal joint face with the perpendicular fixed connection in top of second in-connection face, just second horizontal joint face is in the top of second in-connection face is to keeping away from the direction of second holding tank extends, the opposite side of second horizontal joint face with the perpendicular fixed connection in second outer joint face top, just second outer joint face with second in-connection face parallel arrangement, form between second in-connection face, second horizontal joint face and the second outer joint face with second horizontal joint face is the second accommodation space at top. The design of the vertical structure of the second connecting pin can improve the deformation resistance, and the stress is more uniform when lamination is carried out.
Furthermore, for the convenience of wiring, a first wire outlet is formed on the first internal connection surface, a second wire outlet is formed on the second internal connection surface, and the first wire outlet and the second wire outlet are arranged oppositely.
Further, the battery pack is characterized by further comprising a first junction box and a second junction box, wherein the first junction box is connected with the battery piece, the second junction box is connected with the battery piece, the first junction box is installed at the first wire outlet, and the second junction box is installed at the second wire outlet.
Furthermore, for the sake of beauty and tidiness, the first junction box is located in the first accommodating space, and the first outer connecting surface is provided with a first opening at a corresponding position of the first junction box.
Furthermore, for the sake of beauty and tidiness, the second junction box is located in the second accommodating space, and the second external connecting surface is provided with a second opening at a corresponding position of the second junction box.
Furthermore, the upper surface of the first horizontal connecting surface, the upper surface of the second horizontal connecting surface and the upper surface of the cover plate glass are on the same horizontal plane. Can improve the plane precision of various steel tile of photovoltaic like this, lamination effect is better, simultaneously, can prevent first horizontal joint face and prevent cover plate glass's junction, and the dust is piled up with cover plate glass's junction to second horizontal joint face, simultaneously, conveniently washs the cover plate glass surface.
The utility model has the advantages that the utility model discloses a photovoltaic color steel tile, through the structural improvement to the color steel tile body, laid first encapsulated layer, insulating layer, second encapsulated layer, battery piece, third encapsulated layer and cover plate glass in proper order from bottom to top in the holding tank, can realize the integrative lamination of color steel tile body and photovoltaic module, after the lamination, first encapsulated layer can melt and bond the insulating layer on the steel backplate, the second encapsulated layer can melt and bond insulating layer and battery piece, the third encapsulated layer can melt and bond battery piece and cover plate glass; because the color steel tile body is made of metal materials, the insulating layer is arranged between the battery piece and the steel back plate, so that the short circuit can be prevented; through laying various steel tile body, first encapsulated layer, insulating layer, second encapsulated layer, battery piece, third encapsulated layer and cover plate glass in proper order and putting into the laminator and carry out lamination processing for photovoltaic module and various steel tile body combine as an organic whole, have saved extra step that needs bond photovoltaic module and various steel tile body together through organic silica gel, save trouble laborsaving, have shortened the production cycle of various steel tile of photovoltaic greatly.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the structure schematic diagram of the photovoltaic color steel tile of the utility model.
Fig. 2 is a schematic cross-sectional view of the color steel tile body of the present invention.
Fig. 3 is a schematic structural diagram of the first connection pin of the present invention.
Fig. 4 is a schematic structural diagram of the second connecting pin of the present invention.
Fig. 5 is a perspective view of the color steel tile body of the present invention.
Fig. 6 is a perspective view of the first layer of pressing strip and the second layer of pressing strip of the present invention.
Fig. 7 is a schematic cross-sectional view of a first and second laminate strip of the present invention.
Fig. 8 is the utility model discloses a photovoltaic color steel tile lays the schematic diagram of accomplishing.
Fig. 9 is a schematic structural view of the joint strip of the present invention.
In the figure: 1. the color steel tile comprises a color steel tile body, an 11 steel back plate, 12, a first connecting pin, 13, a second connecting pin, 14, an accommodating groove, 121, a first inner connecting surface, 122, a first horizontal connecting surface, a 123 first outer connecting surface, 124, a first accommodating space, 1211, a first wire outlet, 1231, a first opening, 131, a second inner connecting surface, 132, a second horizontal connecting surface, 133, a second outer connecting surface, 134, a second accommodating space, 1311, a second wire outlet, 1331, a second opening, 2, a first packaging layer, 3, an insulating layer, 4, a second packaging layer, 5, a battery piece, 6, a third packaging layer, 7 and cover plate glass.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The laminator is an important device required for manufacturing a solar cell module, and is a device for pressing EVA (ethylene vinyl acetate), solar cell sheets, toughened glass, back films (TPT, PET and other materials) into a whole with certain rigidity under the condition of high temperature and vacuum. The laminating machine applies the principle of uniform pressure transmission of water, forms a high-pressure system by pressurizing the water in a sealed container, and uniformly applies pressure to a capacitor plate placed in the water, so that the capacitor plate has a compact structure and a smooth surface, and meets the requirements of production processes. At present, most of photovoltaic modules are formed by laminating materials such as a back plate, an encapsulating material, a battery piece and glass.
As shown in fig. 1-9, a photovoltaic color steel tile, including color steel tile body 1, color steel tile body 1 includes steel back plate 11, first connecting pin 12 and second connecting pin 13, one side and first connecting pin 12 fixed connection of steel back plate 11, the opposite side and the second of steel back plate 11 are connected pin 13 fixed connection, first connecting pin 12 is relative with second connecting pin 13 and sets up, first connecting pin 12, form between steel back plate 11 and the second connecting pin 13 and use steel back plate 11 as the holding tank 14 of bottom, first encapsulation layer 2 has been laid in proper order by bottom to top in the holding tank 14, insulating layer 3, second encapsulation layer 4, battery piece 5, third encapsulation layer 6 and cover plate glass 7. In this embodiment, the materials used for the first encapsulant layer 2, the second encapsulant layer 4 and the third encapsulant layer 6 are preferably the same, and may be POE, EVA, PVB, etc. The translation of the various steel tile of photovoltaic that will lay the completion is put into the laminator and is carried out lamination processing (carry out processes such as high temperature, evacuation), and first encapsulated layer 2, second encapsulated layer 4 and third encapsulated layer 6 can melt under high temperature, can bond steel backplate 11 and insulating layer 3 fixedly, bond insulating layer 3 and battery piece 5 fixedly, bond battery piece 5 and cover plate glass 7 fixedly, can set up a plurality of battery pieces 5 between second encapsulated layer 4 and the cover plate glass 7. The size of the insulating layer 3 is preferably the same as that of the cover glass 7, so that short circuit between the steel back plate 11 and the battery piece 5 can be prevented. In the embodiment, the first packaging layer 2 is used as the binder between the steel back plate 11 and the insulating layer 3, so that the steel back plate 11 and the photovoltaic module can be firmly bonded, and the performance of the photovoltaic module cannot be affected.
The width a of the steel back plate 11 is the same as the width b of the cover glass 7. When setting up apron glass 7 on steel backplate 11, apron glass 7 both sides respectively with first connecting foot 12, the second is connected between the foot 13 can not have the gap or the gap is very little, can fill up the gap after the encapsulated layer is melted, improve the water-proof effects of photovoltaic various steel tile, prolong the life of photovoltaic various steel tile.
The first connecting pin 12 is provided with a first inner connecting surface 121, a first horizontal connecting surface 122 and a first outer connecting surface 123, the bottom of the first inner connecting surface 121 is vertically and fixedly connected with one side of the steel back plate 11, one side of the first horizontal connecting surface 122 is vertically and fixedly connected with the top of the first inner connecting surface 121, the first horizontal connecting surface 122 extends at the top of the first inner connecting surface 121 in a direction away from the accommodating groove 14, the other side of the first horizontal connecting surface 122 is vertically and fixedly connected with the top of the first outer connecting surface 123, the first outer connecting surface 123 is parallel to the first inner connecting surface 121, and a first accommodating space 124 with the first horizontal connecting surface 122 as the top is formed among the first inner connecting surface 121, the first horizontal connecting surface 122 and the first outer connecting surface 123. In the embodiment, the height of the first inner connecting surface 121 and the height of the first outer connecting surface 123 are preferably the same, and the height of the first inner connecting surface 121 may range from 3 mm to 20mm, and may be adjusted according to the thickness of the cover glass 7 or the size of the first junction box 8. The width of the first horizontal connecting surface 122 is between 20mm and 100mm, and can be adjusted according to the size of the first junction box 8.
The second connecting pin 13 is provided with a second inner connecting surface 131, a second horizontal connecting surface 132 and a second outer connecting surface 133, the bottom of the second inner connecting surface 131 is vertically and fixedly connected with the other side of the steel back plate 11, one side of the second horizontal connecting surface 132 is vertically and fixedly connected with the top of the second inner connecting surface 131, the second horizontal connecting surface 132 extends at the top of the second inner connecting surface 131 in a direction away from the second accommodating groove 14, the other side of the second horizontal connecting surface 132 is vertically and fixedly connected with the top of the second outer connecting surface 133, the second outer connecting surface 133 is parallel to the second inner connecting surface 131, and a second accommodating space 134 with the second horizontal connecting surface 132 as the top is formed among the second inner connecting surface 131, the second horizontal connecting surface 132 and the second outer connecting surface 133. In this embodiment, the height of the second inner connecting surface 131 and the height of the second outer connecting surface 133 are preferably the same, and the height of the second inner connecting surface 131 may range from 3 mm to 20mm, and may be adjusted according to the thickness of the cover glass 7 or the size of the second junction box 9. The width of the second horizontal connecting surface 132 is between 20mm and 100mm, and can be adjusted according to the size of the second junction box 9.
The first internal connection surface 121 has a first outlet 1211, the second internal connection surface 131 has a second outlet 1311, and the first outlet 1211 and the second outlet 1311 are disposed opposite to each other. The photovoltaic color steel tile further comprises a first junction box 8 and a second junction box 9, the first junction box 8 is connected with the battery piece 5, the second junction box 9 is connected with the battery piece 5, the first junction box 8 is installed at the first outlet 1211, and the second junction box 9 is installed at the second outlet 1311. The photovoltaic power that can send the various steel tile of photovoltaic through the terminal box is exported to consumer.
The first terminal box 8 is located in the first accommodating space 124, and the first outer connecting surface 123 is provided with a first opening 1231 at a corresponding position of the first terminal box 8. The second junction box 9 is located in the second accommodating space 134, and the second external connection surface 133 is provided with a second opening 1331 at a corresponding position of the second junction box 9. Providing the first opening 1231 and the second opening 1331 can facilitate connecting traces.
The upper surface of the first horizontal connecting surface 122, the upper surface of the second horizontal connecting surface 132, and the upper surface of the cover glass 7 are on the same horizontal plane. On the one hand be convenient for lamination process, on the other hand can prevent first horizontal joint face and prevent cover plate glass's junction, and the dust is piled up with cover plate glass's junction to second horizontal joint face, simultaneously, conveniently washs the cover plate glass surface. Because the various steel tile of photovoltaic generally is laid on the roof, through the weather drying of blowing, can have dust, rain stain, leaf etc. and pile up on the surface of apron glass 7, can influence the performance of the various steel tile of photovoltaic.
The manufacturing process of the photovoltaic color steel tile of the embodiment is as follows:
s1: carrying out dust removal and cleaning on the color steel contour plate, and then carrying out rolling cold-bending forming on the color steel contour plate to obtain a color steel tile body 1; the color steel tile body 1 comprises a steel back plate 11, a first connecting pin 12 and a second connecting pin 13, wherein one side of the steel back plate 11 is fixedly connected with the first connecting pin 12, the other side of the steel back plate 11 is fixedly connected with the second connecting pin 13, the first connecting pin 12 and the second connecting pin 13 are arranged oppositely, and an accommodating groove 14 taking the steel back plate 11 as the bottom is formed among the first connecting pin 12, the steel back plate 11 and the second connecting pin 13;
s2: a first packaging layer 2, an insulating layer 3, a second packaging layer 4, a battery piece 5, a third packaging layer 6 and cover glass 7 are sequentially laid in the accommodating groove 14 from bottom to top to obtain a component to be laminated, and at the moment, the upper surface of the cover glass 7, the upper surface of the first connecting pin 12 and the upper surface of the second connecting pin 13 are on the same horizontal plane; and then sending the assembly to be laminated into a laminating machine for integral laminating treatment to obtain the photovoltaic color steel tile.
The manufacturing method of the embodiment includes the steps of obtaining the color steel tile body through rolling and cold-roll forming, and then sequentially laying the first packaging layer, the insulating layer, the second packaging layer, the battery piece, the third packaging layer and the cover plate glass on the color steel tile body for integral laminating treatment to obtain the required photovoltaic color steel tile. The photovoltaic color steel tile can be obtained through integral lamination, the step of bonding the photovoltaic assembly and the color steel tile body is not needed to be additionally carried out, namely, the color steel tile body and the photovoltaic assembly are bonded in the process of photovoltaic assembly lamination molding, and the laminating machine can simultaneously carry out batch lamination treatment on a plurality of assemblies to be laminated. The method not only simplifies the manufacturing process of the photovoltaic color steel tile, but also greatly shortens the manufacturing period and improves the production efficiency.
Before the assembly to be laminated is sent into a laminating machine for integral laminating treatment, a first layer of pressing strip is placed in the first accommodating space 124, and a second layer of pressing strip is placed in the second accommodating space 134; the width X1 of the first laminate strip is consistent with the width X1 'of the first horizontal joint plane, the width X2 of the second laminate strip is consistent with the width X2' of the second horizontal joint plane, the height Y1 of the first laminate strip is consistent with the height Y1 'of the first internal joint plane, and the height Y2 of the second laminate strip is consistent with the height Y2' of the second internal joint plane. In this embodiment, the first laminated strip and the second laminated strip are preferably the same and have a rectangular parallelepiped shape, so that the laminated strips provide a large supporting force for the connecting pins, and further prevent the connecting pins from deforming during lamination.
The use method of the photovoltaic color steel tile of the embodiment is as follows:
t1: firstly, transversely paving, namely buckling a second connecting foot of a first photovoltaic color steel tile on a first connecting foot of a second photovoltaic color steel tile, buckling a second connecting foot of a second photovoltaic color steel tile on a first connecting foot of a third photovoltaic color steel tile, and so on, overlapping, buckling a second connecting foot of an N-1 photovoltaic color steel tile on a first connecting foot of an N photovoltaic color steel tile, and finishing transverse paving to obtain a photovoltaic color steel tile assembly;
t2: align seamless arrangement in proper order along the length direction of various steel tile of photovoltaic with various steel tile subassembly of a plurality of photovoltaic to fix at a overlap joint strip of junction lock joint of two adjacent various steel tile subassemblies, vertically lay and finish.
The use method of the photovoltaic color steel tile of the embodiment is simple in installation process, easy to operate and capable of improving the working efficiency. And after the wiring is finished, the junction box can be shielded or hidden, so that the attractiveness of the junction box after installation is improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined by the scope of the claims.