CN211949268U

CN211949268U - Tile substrate of photovoltaic tile, photovoltaic tile and photovoltaic roof

Info

Publication number: CN211949268U
Application number: CN201922194999.9U
Authority: CN
Inventors: 刘璿睿; 寸小涛
Original assignee: Xian Longi Green Energy Architecture Technology Co Ltd
Current assignee: Longi Solar Technology Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-11-17
Anticipated expiration: 2029-12-09

Abstract

The application discloses tile base plate, photovoltaic tile and photovoltaic roof of photovoltaic tile. The tile substrate of a photovoltaic tile comprises: the middle part of the bottom plate area is provided with a convex rib in a bulging way to form a clamping groove with an opening facing to the back of the bottom plate area, and the convex rib extends along the length direction of the bottom plate area; the two bearing platforms are positioned on two sides of the bottom plate area and are respectively at least used for bearing two side edges of the photovoltaic module; the two bending connecting areas are respectively connected with the two sides of the bottom plate area and the two bearing tables; the two locking structures are respectively connected to the outer sides of the two bearing tables; the serging structure on one side of the tile substrate of one photovoltaic tile can be locked with the serging structure on the other side of the tile substrate of an adjacent photovoltaic tile. Above-mentioned scheme can prevent that the photovoltaic tile component from causing the middle part to warp when catching wind easily, and then causes the problem that the photovoltaic module is stealthy to split.

Description

Tile substrate of photovoltaic tile, photovoltaic tile and photovoltaic roof

Technical Field

The utility model relates to a photovoltaic technology field, concretely relates to tile base plate, photovoltaic tile and photovoltaic roof of photovoltaic tile.

Background

BIPV (Building Integrated Photovoltaic) is a Photovoltaic power generation system which is designed and constructed simultaneously with a new Building and is installed simultaneously and is combined with the Building, is an essential part of the Building, not only plays the functions of Building materials (such as wind shielding, rain shielding, heat insulation and the like), but also plays the function of power generation, and enables the Building to become a green Building.

BIPV has many different installation forms, such as photovoltaic roofs, photovoltaic curtain walls, photovoltaic ceilings, etc. At present stage, the photovoltaic roof is mostly the component type BIPV, and this scheme mainly is through making the hasp structure with zinc-plated aluminum alloy backplate subassembly frame, replaces or covers a photovoltaic roof mounting means of roof building materials, can directly replace roof color steel tile. The problem of photovoltaic module subfissure is caused easily to current BIPV's photovoltaic tile component when catching wind.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect or not enough among the prior art, it is desirable to provide a tile base plate, photovoltaic tile and photovoltaic roof of photovoltaic tile for solve among the prior art photovoltaic tile component when catching wind, cause the middle part to warp easily, and then cause the problem that photovoltaic module is stealthy to split.

In a first aspect, the utility model provides a tile substrate of photovoltaic tile, include:

the middle part of the bottom plate area is provided with a raised ridge to form a clamping groove with an opening facing the back of the bottom plate area, and the raised ridge extends along the length direction of the bottom plate area;

the two bearing tables are positioned on two sides of the bottom plate area and are respectively at least used for bearing two side edges of the photovoltaic module;

the two bending connection areas are respectively connected to the two sides of the bottom plate area and the two bearing tables;

the two locking structures are respectively connected to the outer sides of the two bearing tables;

the serging structure on one side of the tile substrate of one photovoltaic tile can be locked with the serging structure on the other side of the tile substrate of the adjacent photovoltaic tile.

Further, the carrier table comprises a photovoltaic assembly bonding area, the photovoltaic assembly bonding area comprises a first bonding surface used for pre-bonding a photovoltaic assembly and a second bonding surface used for gluing, and the first bonding surface and the second bonding surface are connected with each other; the first bonding surface is higher than the second bonding surface.

Further, the plummer includes the water drainage tank, the water drainage tank connect in the structure of lockstitching a border with photovoltaic module bonding region, the bottom surface of water drainage tank is less than the second bonding face.

Furthermore, a plurality of reinforcing ribs are arranged on the bottom plate area, and the extending direction of each reinforcing rib is intersected with the length direction of the bottom plate area.

Furthermore, an avoiding cavity is formed on the convex rib; the avoiding cavity is positioned on one side of the back surface of the clamping groove close to the bottom plate area; the opening of the clamping groove is positioned on the top surface of the avoiding cavity.

In a second aspect, the utility model provides a photovoltaic tile, including the tile base plate of above-mentioned photovoltaic tile, still include photovoltaic module, photovoltaic module both sides edge is fixed in respectively on the plummer.

Further, the photovoltaic module is adhered to the bearing table.

In a third aspect, the present invention provides a photovoltaic roof, comprising the above photovoltaic tile and a supporting purlin for supporting the photovoltaic tile;

the supporting purlin is also provided with a middle fixing support which can be clamped into the clamping groove of the photovoltaic tile.

Furthermore, only one photovoltaic tile is contained from the ridge to the eave direction of the photovoltaic roof.

The above-mentioned scheme that the application provided, when the equipment forms the photovoltaic roof, the photovoltaic tile is taken on the purlin, parts such as roof beam, the purlin, connect middle fixing support on parts such as roof beam, middle fixing support one end stretches into in the draw-in groove, and with the draw-in groove block, with the middle part at the photovoltaic tile form with the purlin, the fixed connection of parts such as roof beam, make the photovoltaic tile become left and right sides and middle part atress by the left and right sides atress, the atress span has been reduced, the fastness that the photovoltaic tile is connected has been strengthened, the anti-wind of photovoltaic tile is taken off the performance has been improved, along with the improvement of anti-wind performance, make the middle part of photovoltaic tile be difficult for taking place to warp, and then the photovoltaic tile is taken off the hidden problem of photovoltaic module that leads to because of.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a front view of a tile substrate of a photovoltaic tile provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a perspective view of a tile substrate of a photovoltaic tile according to another embodiment of the present invention;

FIG. 5 is a front view of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

fig. 7 is a partial schematic view of another rib structure of a tile substrate of a photovoltaic tile according to another embodiment of the present invention;

fig. 8 is a front view of a photovoltaic tile provided by an embodiment of the present invention;

FIG. 9 is a schematic structural view of a photovoltaic module;

fig. 10 is a front view of a photovoltaic roof according to an embodiment of the present invention.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, the embodiment of the present invention provides a tile substrate of photovoltaic tile, including bottom plate area 1, two plummer 3, two connection regions of buckling 2 and two lockrand structures 5.

The floor area 1 may be a plane or a non-plane, and when a plane is generally adopted, a raised or recessed reinforcing structure may be arranged on the plane for improving rigidity and strength.

A rib 6 is arranged at the middle part of the bottom plate area in a protruding mode, the rib 6 extends along the length direction of the bottom plate area 1, and a clamping groove 61 which is opened downwards is formed in the rib 6; that is, the opening of the card slot 61 is directed toward the back of the chassis section 1. The slot 61 is surrounded by the top surface of the rib 6 and two side surfaces connected to two sides of the top surface, wherein one side surface is inclined towards the bottom of the other side surface to form a closing structure at the bottom of the slot 61, thereby forming a slot structure.

The ribs 6 may be formed on the base plate region 1 by a rolling or stamping process. In this embodiment a rib 6 is provided. Of course, in other embodiments, two or more ribs 6 may be provided, and when two or more ribs 6 are provided, the spacing between adjacent ribs 6 may be equal or unequal. Generally, as the number of ribs 6 increases, the strength of the tile substrate of the photovoltaic tile increases accordingly.

The two loading platforms 3 are located at two sides of the bottom plate area 1 and are respectively used for loading two side edges of the photovoltaic module, where the two sides are two sides deviating from each other along a direction, as shown in fig. 1, the loading platforms 3 are respectively arranged at the left side and the right side of the bottom plate area 1. The two bending connection areas 2 are respectively connected between two sides of the bottom plate area 1 and the two bearing tables 3, namely one side of the bottom plate area 1 is connected with one bending connection area 2, one side of the bending connection area, which is far away from the bottom plate area 1, is connected with the bearing tables 3, the bending connection area 2 is bent upwards relative to the bottom plate area 1, the bending connection area 2 is bent downwards relative to the bearing tables 3, and a certain distance difference is formed between the bottom plate area 1 and the bearing tables 3 through the bending connection area 2; the bearing table 3 and the bottom plate area 1 are used for enclosing a heat dissipation channel with the photovoltaic module through the distance difference. The two overlock structures 5 are respectively connected to the outer sides of the two bearing tables 1; the overlock structure 5 on one side of the tile substrate of one photovoltaic tile can be locked with the overlock structure 5 on the other side of the tile substrate of an adjacent photovoltaic tile, the bending directions of the overlock structures 5 can be the same or different, in this embodiment, the bending directions of the overlock structures 5 are the same, and the overlock structure 5 on one side of the tile substrate of one photovoltaic tile covers the overlock structure 5 on the other side of the tile substrate of the adjacent photovoltaic tile to lock.

The tile substrate of the photovoltaic tile with the above structure can be formed by, but not limited to, stamping, rolling and the like by using a metal plate. The metal plate is preferably a plate with a corrosion-resistant layer on the surface to improve the corrosion resistance of the plate, such as but not limited to a steel plate. The corrosion-resistant layer is, for example, but not limited to, a paint layer, a zinc-plated layer, etc.

Referring to fig. 8 in addition, when installing photovoltaic module 9, the anastomotic support of one side of photovoltaic module 9 width direction is on one of them plummer 3, and the anastomotic support of opposite side is on another plummer 3, can carry out better bearing to photovoltaic module 9, under the effectual condition of bearing, can reduce the requirement of photovoltaic module 9 self intensity, along with the reduction to self intensity requirement, can reduce the thickness of photovoltaic module 9 self to reduce weight and manufacturing cost. Generally, the thickness of the photovoltaic module 9 itself can be reduced by reducing the thickness of the glass package plate on the front side of the photovoltaic module 9, and as the thickness of the glass package plate on the front side is reduced, the light transmittance of the photovoltaic module 9 is enhanced, and the photoelectric conversion efficiency is improved accordingly.

Further, referring to fig. 2 and fig. 3, in order to improve the reliability of the connection between the photovoltaic module 9 and the carrier 3, the carrier includes a photovoltaic module bonding area, the photovoltaic module bonding area includes a first bonding surface 31 and a second bonding surface 32, which are connected to each other, the first bonding surface 31 is higher than the second bonding surface 32, the first bonding surface is used for pre-bonding the photovoltaic module, and the second bonding surface is used for gluing. In order to solve the problem that when connecting the photovoltaic module, for example, but not limited to, applying glue on the second bonding surface 32 and then placing the photovoltaic module, the glue needs a certain curing time, the bonding force is small in the uncured state, and the photovoltaic module may slide downwards due to gravity, a double-sided tape may be applied on the first bonding surface 31 in advance, so that the double-sided tape pre-fixes the photovoltaic module, and provides a sufficient curing time for the glue applied on the second bonding surface 32, and the glue is cured to tightly bond the second supporting surface and the photovoltaic module together. In addition, because of the height difference between the first bonding surface 31 and the second bonding surface 32, the height difference ensures that the glue 20 can be formed on the second bonding surface in a thick enough manner to ensure the reliability of bonding.

Further, in order to reduce the thickness of the photovoltaic module 9 to the maximum extent, to save cost and reduce the weight of the photovoltaic module 9, the top surface of the rib 6 and the second bonding surface are located on the same plane, and when the photovoltaic module 9 is connected to the tile substrate of the photovoltaic tile, glue can be applied to the top surface of the rib 6. When installing photovoltaic module 9 on the tile base plate 21 of this photovoltaic tile like this, bead 6 plays support and fixed effect to photovoltaic module 9's middle part, consequently can reduce the requirement to photovoltaic module 9 self rigidity, along with the reduction to its self rigidity requirement, then photovoltaic module 9's thickness also can corresponding reduction, current conventional single glass photovoltaic module, for satisfying its rigidity needs, the encapsulation glass plate thickness at its top generally adopts 3.2 mm's photovoltaic glass, and adopt the tile base plate of the photovoltaic tile of this application after, can adopt the photovoltaic glass below 3.2 mm.

Further, in order to prevent that the rainwater from piling up the damage that causes tile base plate and the photovoltaic module of photovoltaic tile, the plummer includes water drainage tank 33, and water drainage tank 33 is connected in lockstitching a border structure 5 and photovoltaic module bonding region, and water drainage tank 5's bottom surface is less than second bonding surface 32. The drain tank 5 is located the lowest face in the plummer, and it can collect the rainwater fast and discharge, and the rainwater can prevent that the rainwater from piling up and corroding tile base plate 21 and photovoltaic module 9 of photovoltaic tile through drain tank 5. In addition to draining, the bottom surface of the drainage channel 5 may also serve as a support for supporting the tile base 21 of the photovoltaic tile on an edge mounting support 42, as shown in fig. 10.

Further, in order to further strengthen the strength of the tile base plate 21 of the photovoltaic tile, a plurality of ribs 7 are provided on the floor panel region 1, and the extending direction of each rib 7 intersects with the longitudinal direction of the floor panel region 1. The rib 6 reinforces the tile base 21 of the photovoltaic tile in the longitudinal direction, and the rib 7 reinforces the tile base 21 of the photovoltaic tile in the direction intersecting the longitudinal direction.

The ribs 7 may be formed by a rolling or stamping process.

The reinforcing ribs 7 can be in the shape of long strips, cross shapes and the like. In this embodiment, a strip shape is taken as an example for explanation. A plurality of reinforcing ribs 7 are uniformly arranged in parallel at positions on the bottom plate area 1 different from the convex ribs 6, and the convex direction of each reinforcing rib 7 is consistent with the convex direction of each convex rib 6.

Further, in order to achieve a better reinforcing effect, the extending direction of each reinforcing rib 7 is perpendicular to the length direction of the floor panel region 1.

Further, in order to ensure that the formed heat dissipation channel has sufficient heat dissipation performance, the plane of the bottom plate region 1 is parallel to the plane of the first bonding surface 31, and the distance between the two is 2-20 cm. The spacing is such that the channels have sufficient cross-sectional area to ensure sufficient air flow to dissipate heat from the photovoltaic module.

As another implementation manner, as shown in fig. 4 to fig. 6, the difference between the above embodiments is mainly the structure of the rib 6, and the structures of the rest parts can be referred to the description of the above embodiments, and are not described again.

In the present embodiment, the rib is further formed with an avoidance cavity; the avoidance cavity is positioned on one side of the back surface of the clamping groove close to the bottom plate area; the opening of the clamping groove is positioned on the top surface of the avoiding cavity. That is, the avoidance cavity is positioned below the clamping groove; the clamping groove is positioned at the top of the convex rib. More specifically, the rib 6 is at least provided with an upper layer and a lower layer of cavities which are communicated with each other, the width of the lower layer cavity 62 is larger than that of the upper layer cavity, the upper layer cavity is a clamping groove 61, and the lower layer cavity is used for providing an installation avoiding space.

As shown in fig. 6, both side surfaces 4 of the rib 6 have a closing surface 10. Of course in other embodiments, it is also possible, as shown in fig. 7, to provide only one side 4 of the rib 6 with a closing surface 10.

Adopt the bead 6 of above-mentioned structure, through setting up two-layer cavity about, improve the anti-wind through the upper cavity with the middle fixing support 43 one end mentioned below for the hook card is in the same place and take off the formation to lower floor's cavity is used for providing the installation of middle fixing support 43 and dodges the space. In addition, above-mentioned structure has made side 4 buckle, has improved the tile base plate bulk rigidity of photovoltaic tile.

On the other hand, as shown in fig. 8, the embodiment of the present invention further provides a photovoltaic tile, including the tile substrate 21 of the photovoltaic tile of any of the above embodiments, the above embodiments are referred to for the concrete structure and effect of the tile substrate 21 of the photovoltaic tile, and are not repeated here. The photovoltaic module is characterized by further comprising a photovoltaic module 9, and two side edges of the photovoltaic module 9 are respectively fixed on the bearing table 3.

The above-mentioned scheme that the application provided, after the equipment forms the photovoltaic roof, the photovoltaic tile is taken on the purlin, parts such as roof beam, the purlin, connect middle fixing support on parts such as roof beam, middle fixing support one end stretches into in the draw-in groove, and with the draw-in groove block, with the middle part at the photovoltaic tile form with the purlin, the fixed connection of parts such as roof beam, make the photovoltaic tile become left and right sides and middle part atress by the left and right sides atress, the atress span has been reduced, the fastness that the photovoltaic tile is connected has been strengthened, the anti-wind of photovoltaic tile is taken off the performance has been improved, along with the improvement of anti-wind performance, make the middle part of photovoltaic tile be difficult for taking place to warp, and then the photovoltaic tile is taken off the hidden problem of photovoltaic module that leads to because of.

Further, the photovoltaic module 9 is adhered to the carrier 3. The photovoltaic module 9 can be bonded on the bearing table 3 through the glue 20, and the mode has the effect of convenient operation. The glue 20 may be a silicone structural glue or other material.

Further, the photovoltaic module 9 is a frameless photovoltaic module 9. The weight of the light resistance assembly can be further reduced, and POE (Polyolefin elastomer) packaging layers are arranged on the front surface and the back surface of the frameless photovoltaic assembly 9, so that the battery piece can be better isolated from water vapor.

The photovoltaic module 9 may also be a framed photovoltaic module, for example, but not limited to, a narrow framed photovoltaic module or a thin framed photovoltaic module, wherein the width of the frame of the narrow framed photovoltaic module may be about 1.5cm, the thickness of the frame of the thin framed photovoltaic module may be about 8mm, and the like, and the values are only for illustration and are not the only limitation on the size of the frame.

As shown in fig. 9, as an implementation manner, the photovoltaic module 9 includes a photovoltaic back sheet 12, a POE encapsulating layer 13 is formed on the photovoltaic back sheet 12, a battery piece 14 is formed on the POE encapsulating layer 13, the size of the battery piece 14 can be, for example, but not limited to, half of the size of a conventional battery piece, another POE encapsulating layer 15 is formed on the battery piece 14, and a photovoltaic glass 16 is formed on the another POE encapsulating layer 15.

In a third aspect, an embodiment of the present invention provides a photovoltaic roof, including the photovoltaic tile of the above embodiment and a supporting purlin for bearing the photovoltaic tile; the supporting purlin is also provided with a middle fixed support which can be clamped into the clamping groove of the photovoltaic tile.

The supporting purlin can be a purlin or other structures such as a beam.

The photovoltaic tile can adopt a full-length structure and a non-full-length structure.

When the photovoltaic tile adopts the through-length structure, the photovoltaic tile only contains one photovoltaic tile from the ridge to the eave direction of the photovoltaic roof, namely, the photovoltaic tile only needs to be paved side by side along the ridge direction to complete the assembly of the photovoltaic roof.

When the photovoltaic tile adopts the non-through long structure, the photovoltaic roof is assembled in the process of assembling the photovoltaic roof, and the photovoltaic roof is assembled along the ridge direction and from the ridge to the eave.

As shown in fig. 10, as one of the realizations, in the photovoltaic roof installation, first, the side fixing supports 42 and the middle fixing support 43 are fixedly connected to the purlins 40 by screws 41, the side fixing supports 42 are, for example, but not limited to, rectangular structures or rectangle-like structures, one end of the middle fixing support 43 is a hook structure, so that one end of the hook has a certain elastic deformation amount and can be inserted into the rib under the action of pressure, two sides of the tile base plate of the photovoltaic tile are respectively lapped on different side fixing supports 42, the tile base plate of the photovoltaic tile is pressed down by certain pressure, one end of the hook of the middle fixing support 43 is inserted into the rib, and thus the tile base plates of a plurality of photovoltaic tiles are arranged side by side along the ridge direction, so that the locking structure on one side of the tile base plate of one photovoltaic tile covers the locking structure on the other side of the tile base plate of the adjacent photovoltaic tile, and locking is carried out through the overlocking equipment. And then gluing the first supporting surface and the second supporting surface, and bonding the photovoltaic module on the first supporting surface and the second supporting surface. Of course, the photovoltaic module can be bonded with the tile substrate of the photovoltaic tile in a factory, and the photovoltaic tile can be assembled only in a construction site.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of features described above or equivalents thereof without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A tile substrate of a photovoltaic tile, comprising:

2. The tile substrate of a photovoltaic tile according to claim 1, wherein the carrier comprises a photovoltaic module bonding area comprising a first bonding surface for pre-bonding a photovoltaic module and a second bonding surface for applying glue, the first and second bonding surfaces being interconnected; the first bonding surface is higher than the second bonding surface.

3. The tile substrate of claim 2, wherein the top surface of the ridge is coplanar with the second bonding surface.

4. The tile substrate of claim 2, wherein the carrier comprises a drainage channel, the drainage channel being connected to the border structure and the photovoltaic module bonding area, the drainage channel having a bottom surface lower than the second bonding surface.

5. The tile substrate of a photovoltaic tile according to any one of claims 1 to 4, wherein a plurality of ribs are provided on said floor region, and an extending direction of each of said ribs intersects a length direction of said floor region.

6. The tile substrate of a photovoltaic tile according to any one of claims 1 to 4, wherein said ribs are further formed with relief cavities; the avoiding cavity is positioned on one side of the back surface of the clamping groove close to the bottom plate area; the opening of the clamping groove is positioned on the top surface of the avoiding cavity.

7. A photovoltaic tile comprising the tile substrate of the photovoltaic tile according to any one of claims 1 to 5, and further comprising a photovoltaic module, wherein two side edges of the photovoltaic module are respectively fixed on the supporting platform.

8. The photovoltaic tile of claim 7 wherein the photovoltaic module is bonded to the carrier.

9. A photovoltaic roof comprising the photovoltaic tile of claim 7 or 8, and a supporting purlin for carrying the photovoltaic tile;

10. The photovoltaic roof of claim 9, wherein only one of the photovoltaic tiles is included from a ridge to an eave of the photovoltaic roof.