CN211473092U

CN211473092U - Photovoltaic tile

Info

Publication number: CN211473092U
Application number: CN201921735634.6U
Authority: CN
Inventors: 贺迪; 李彦伯; 朱斌
Original assignee: Xian Longi Green Energy Architecture Technology Co Ltd
Current assignee: Longi Solar Technology Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-09-11
Anticipated expiration: 2029-10-16

Abstract

The utility model provides a photovoltaic tile, it includes: the photovoltaic tile comprises a tile plate and a photovoltaic module fixed on the tile plate; the tile plate comprises a bearing part and a bending structure positioned on two opposite side edges of the bearing part; the bending structure comprises lap joints for lapping with adjacent shingles and extension parts for connecting the lap joints and the bearing parts; one end of the extension part is connected with the side edge of the bearing part, and the other end of the extension part is connected with one end of the lap joint part; the two extending parts extend back to the direction of the photovoltaic module. The utility model discloses in, the inseparable overlap joint of overlap joint portion of two adjacent photovoltaic tiles forms the overlap joint structure, and the overlap joint position is under the plane at photovoltaic module place, so the overlap joint position does not directly receive the wind and takes off the effect, is difficult for producing the gap. Because the two lap joint portions are in tight lap joint, the lap joint structure can form a waterproof layer above the house purlin, the probability that moisture enters the house purlin from the photovoltaic tiles is reduced through the waterproof layer, and the waterproof performance of the roof structure is improved.

Description

Photovoltaic tile

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a photovoltaic tile.

Background

Building Integrated Photovoltaics (BIPV) technology is a roofing technology that combines Photovoltaic modules with Building materials. The BIPV roof structure is formed by installing photovoltaic tiles carrying photovoltaic modules on the outer surface of a building roof, so that the BIPV roof structure can provide power for the interior of a room through the photovoltaic modules.

At present, when the roof was installed to polylith photovoltaic module, can produce the seam between the adjacent photovoltaic module, in order to improve the waterproof performance of BIPV roofing structure, need do the sealing treatment to the seam. The current waterproof mode is that a plurality of planar structure's photovoltaic tile is adopted to two adjacent photovoltaic tiles of left and right sides direction adopt the mode of lock joint to connect, be about being about the side lock joint of a photovoltaic tile on the side of another photovoltaic tile, and use the adhesive tape to glue about two adjacent photovoltaic tiles from top to bottom and catch, in order to reach the purpose that blocks the rainwater and get into the roofing.

However, in the current scheme, under the condition of strong wind and strong rain, a tiny gap appears at the fastening joint under the action of strong wind, and the siphon action of rainwater can enable external moisture to slowly enter the room through the gap; if the fastening is not tight, serious permeation problems can occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a photovoltaic tile to solve the relatively poor problem of roofing structure waterproof performance among the prior art.

In order to solve the technical problem, the utility model provides a photovoltaic tile, which comprises a tile plate and a photovoltaic module fixed on the tile plate;

the tile plate comprises a bearing part for bearing and fixing the photovoltaic module and bending structures positioned on two opposite side edges of the bearing part;

the bending structure comprises lap joints for lapping with adjacent shingles and extension parts for connecting the lap joints and the bearing parts; one end of the extension part is connected with the side edge of the bearing part, and the other end of the extension part is connected with one end of the lap joint part; the two extending parts extend back to the direction of the photovoltaic assembly.

Optionally, the overlapping part is provided with a concave structure near the extending part.

Optionally, a sealant layer is disposed on at least one overlapping portion of the photovoltaic tile.

Optionally, the other two opposite side edges of the bearing part are formed with edge pressing structures.

Optionally, the edge pressing structure is formed by bending and folding back the edge of the bearing part in a direction away from the photovoltaic module.

Optionally, the length of the edge pressing structure is greater than or equal to that of a target side edge of the photovoltaic module, and the target side edge is a side edge of the photovoltaic module, which is close to the edge pressing structure.

Optionally, the overlapping part comprises a first plate part, a second plate part, a third plate part and a fourth plate part which are connected in sequence;

the second plate portion of one of said photovoltaic tiles being contactable with the fourth plate portion of another adjacent photovoltaic tile;

the third plate portion of one of said photovoltaic tiles being able to come into contact with the third plate portion of another adjacent photovoltaic tile;

the fourth plate portion of one of the photovoltaic tiles is contactable with the second plate portion of an adjacent other of the photovoltaic tiles.

Optionally, the extension part is plate-shaped;

the first plate portion and form first contained angle between the extension portion, form the second contained angle between first plate portion and the second plate portion, the second plate portion with form between the third plate portion the second contained angle, the third plate portion with form between the fourth plate portion the second contained angle, the angle of second contained angle is greater than or equal to 90 degrees.

Optionally, the angle of the first included angle is greater than or equal to 90 degrees.

Optionally, an adhesive layer is disposed between the bearing portion and the photovoltaic module to adhere the photovoltaic module to the bearing portion.

The two opposite side edges of the photovoltaic tile provided by the utility model are respectively provided with an extending part extending in the direction opposite to the photovoltaic component (namely extending in the direction of a house purlin) and a lapping part connected with the extending part; therefore, the lap joint position is below the plane where the photovoltaic modules are located, namely the lap joint position hides the sunken position between the adjacent photovoltaic modules, so that the lap joint position is not directly exposed to wind and is not easy to generate gaps. When setting up a plurality of photovoltaic tiles on room purlin, the inseparable overlap joint of overlap joint portion of two adjacent photovoltaic tiles forms the overlap joint structure, because the inseparable overlap joint of two overlap joint portions for the overlap joint structure can form a waterproof layer above room purlin, through this waterproof layer, has reduced moisture content and has entered the probability of room purlin from the photovoltaic tile, has improved roofing structure's waterproof performance.

Drawings

Fig. 1 is a three-dimensional structure diagram of a photovoltaic tile provided by an embodiment of the present invention;

fig. 2 is a partial three-dimensional structural view of a photovoltaic tile provided by an embodiment of the present invention;

fig. 3 is a cross-sectional structural view of the roofing structure of a photovoltaic tile according to an embodiment of the present invention;

fig. 4 is a structural diagram of a blank pressing structure of a photovoltaic tile that the embodiment of the utility model provides.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention provides a photovoltaic tile, which is described in detail below by exemplifying several specific embodiments.

Referring to fig. 1, a three-dimensional structure diagram of a photovoltaic tile provided by an embodiment of the present invention is shown. The photovoltaic tile 10 is erected on a house purlin, and the photovoltaic tile 10 comprises a tile plate 101 and a photovoltaic module 102 fixed on the tile plate 101. With further reference to fig. 2, the tile 101 includes a bearing portion 1011 for bearing and fixing the photovoltaic module, and a bending structure 1012 located at two opposite sides of the bearing portion 1011; the bending structure 1012 comprises a lapping part B for lapping with the adjacent tile 101, and an extension part a for connecting the lapping part B and the bearing part 1011, one end of the extension part a is connected with the side of the bearing part 1011, the other end of the extension part a is connected with one end of the lapping part B, and the two extension parts a extend away from the direction of the photovoltaic module 102.

In the embodiment of the present invention, further referring to fig. 3, the photovoltaic tile 10 can be fixed on the house purlin 20 to form a BIPV roof structure, and the photovoltaic tile 10 plays a role of covering the roof and photovoltaic power generation. Specifically, the photovoltaic tile 10 can convert solar energy into electric energy through the photovoltaic module 102 and supply the electric energy for use on the basis that the tile blocks out wind and rain.

Specifically, a plurality of photovoltaic tiles 10 are arranged on the house purlin 20, and a water tank 30 is arranged between the adjacent photovoltaic tiles 10. In rainy and snowy weather, the water tank 30 can collect water introduced into the adjacent photovoltaic tile 10, and discharge the collected water along the water tank 30 to play a role in roof drainage.

For the BIPV roofing structure, it is generally required that the BIPV roofing structure has high waterproof performance in order to prevent water from entering the room through the connection portions between the photovoltaic tiles 10. In the embodiment of the present invention, the tile 101 of the photovoltaic tile 10 includes a bearing portion 1011 for bearing and fixing the photovoltaic module 102, and a bending structure 1012 located on two opposite sides of the bearing portion 1011. When laying two adjacent shingles 101 on room purlin 20, can form overlap joint structure C with the overlap joint B of a shingle 101 and another adjacent shingle 101, because overlap joint structure C is the structure that the inseparable overlap joint of two overlap joint parts B formed, and deviate from the one side of room purlin 20 at overlap joint structure C, only have a lateral overlap joint, and because the inseparable overlap joint of two overlap joint parts B, make this overlap joint less, thereby reduced moisture content and gone into room purlin 20's probability from photovoltaic tile 10, the waterproof performance of BIPV roofing structure has been improved.

Alternatively, the tile 101 of the photovoltaic tile 10 may be made of metal, such as magnesium aluminum zinc plated board, aluminum alloy, stainless steel, etc. In addition, other materials, such as fluorocarbon plates, can also be used for the tile 101 of the photovoltaic tile 10.

To sum up, in the photovoltaic tile provided by the embodiment of the present invention, two opposite side edges of the photovoltaic tile respectively have an extending portion extending away from the photovoltaic module (i.e. extending toward the purlin direction), and a lap joint portion connected to the extending portion; therefore, the lap joint position is below the plane where the photovoltaic modules are located, namely the lap joint position hides the sunken position between the adjacent photovoltaic modules, so that the lap joint position is not directly exposed to wind and is not easy to generate gaps. When setting up a plurality of photovoltaic tiles on room purlin, the inseparable overlap joint of overlap joint portion of two adjacent photovoltaic tiles forms the overlap joint structure, because the inseparable overlap joint of two overlap joint portions for the overlap joint structure can form a waterproof layer above room purlin, through this waterproof layer, has reduced moisture content and has entered the probability of room purlin from the photovoltaic tile, has improved roofing structure's waterproof performance.

Alternatively, referring to fig. 1, the lap part B has a recessed structure B1 near the extension part a.

In the embodiment of the present invention, the recessed structure B1 of one photovoltaic tile 10 is adjacent to one side of the water tank 30; the concave structure B1 of another adjacent photovoltaic tile 10 is adjacent to the other side of the water channel 30, a protrusion 301 is formed at the bottom of the water channel 30 by bending, and the overlapping structure C can be fixedly connected to the top surface of the protrusion 301. Because the lap joint structure C that two photovoltaic tiles 10 formed is apart from the bottom certain distance of basin 30, in order to ensure the fastening degree of being connected between lap joint structure C and the basin 30, can be formed with arch 301 in the bottom bending of basin 30 to with lap joint structure C fixed connection in the top surface of arch 301.

Further, because the lapping part B of each tile plate 101 has a sunken structure B1 sunken towards the direction of the house purlin 20, so that when the tile plates 101 of two adjacent photovoltaic tiles 10 are lapped with each other and installed on the house purlin 20, the sunken structure B1 can be clamped between the side edge of the water tank 30 and the protrusion 301, so that the space formed between the side edge of the water tank 30 and the protrusion 301 can limit the tile plates 101 of the photovoltaic tiles 10, the wind uncovering resistance of the photovoltaic tiles 10 is further improved, and the relative displacement between the photovoltaic tiles 10 and the water tank 30 is reduced. In addition, two sunken structure B1 can also form two water conservancy diversion chambeies, has improved roofing structure's drainage efficiency.

Alternatively, referring to fig. 2, the lap joint part B includes: a first panel portion B2, a second panel portion B3, a third panel portion B4 and a fourth panel portion B5 connected in this order; the second panel portion B3 of one photovoltaic tile 10 is able to come into contact with the fourth panel portion B5 of another adjacent photovoltaic tile 10; the third plate portion B4 of one photovoltaic tile 10 is able to come into contact with the third plate portion B4 of the adjacent other photovoltaic tile 10; the fourth panel portion B5 of one photovoltaic tile is capable of contacting the second panel portion B3 of an adjacent other photovoltaic tile 10. Through the close fitting of each subsection between the lap joint parts B of two adjacent photovoltaic tiles 100, the sealing performance of the lap joint structure C is enhanced, and the waterproof performance of the lap joint structure C can be effectively improved.

Optionally, referring to fig. 2, the extension portion a is plate-shaped; a first included angle is formed between the first plate portion B2 and the extending portion A, a second included angle is formed between the first plate portion B2 and the second plate portion B3, a second included angle is formed between the second plate portion B3 and the third plate portion B4, a second included angle is formed between the third plate portion B4 and the fourth plate portion B5, and the second included angle is larger than or equal to 90 degrees.

Further, referring to fig. 3, the photovoltaic tile 10 adopts a downward bending structure, and a first included angle larger than 90 degrees is formed between the first plate portion B2 of the extension portion a and the lap portion B, so that the photovoltaic tile 10 can form a heat dissipation channel 201 with the house purlin 20, when the photovoltaic tile 10 generates heat seriously in summer or works for a long time to generate large heat, the heat can be discharged from the heat dissipation channel 201, the heat dissipation performance of the photovoltaic tile 10 is improved, and the power generation efficiency of the photovoltaic tile 10 is higher.

Optionally, a sealant layer is arranged on at least one overlapping portion B of the photovoltaic tile 10, the sealant layer can be a butyl-based non-dry sealant layer, and the butyl-based non-dry sealant layer can effectively prevent moisture from permeating from the overlapping portion B of one photovoltaic tile 10 to the overlapping portion B of another photovoltaic tile 10, so that the waterproof sealing performance of the roof structure is further improved.

Optionally, referring to fig. 4, the edge pressing structures D are formed on the other two opposite sides of the bearing part 1011. Optionally, the edge pressing structure D is formed by bending and folding back the edge of the carrying part a in a direction away from the photovoltaic module 102.

Specifically, blank pressing structure D exposes outside, and the orientation deviates from photovoltaic module's direction X structure of buckling, and blank pressing structure D is smooth arc structure, can avoid moisture content gathering in this department, effectively prevents that two other relative sides of bearing part 1011 from rustting.

Optionally, referring to fig. 3, the length of the binder structure D is greater than or equal to the length of the target side of the photovoltaic module 102, where the target side is the side of the photovoltaic module 102 that is close to the binder structure D.

In the embodiment of the present invention, since the photovoltaic module 102 with a certain length is disposed on the supporting portion 1011, moisture can easily permeate into the supporting portion 1011 from both ends of the photovoltaic module 102. Set up the length of the blank pressing structure D who bears the weight of portion 1011 to the length that is greater than or equal to a side of photovoltaic module 102, can be so that moisture content infiltration back, fall into blank pressing structure D, blank pressing structure D can avoid moisture content to gather in this department, effectively prevents that two other opposite sides of bearing the weight of portion 1011 from rustting.

Optionally, an adhesive layer is disposed between the carrier 1011 and the photovoltaic module 102 to adhere the photovoltaic module 102 to the carrier 1011.

The embodiment of the utility model provides an in, set up between bearing part 1011 and photovoltaic module 102 and paste the layer, can increase the fastening degree between bearing part 1011 and the photovoltaic module 102, avoid under the strong wind weather, take place great relative displacement between bearing part 1011 and the photovoltaic module 102. Moreover, the adhesive layer between the bearing part 1011 and the photovoltaic module 102 can also play a role of water resistance, so that moisture is prevented from permeating between the bearing part 1011 and the photovoltaic module 102.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A photovoltaic tile, characterized in that the photovoltaic tile comprises a tile plate and a photovoltaic component fixed on the tile plate;

2. A photovoltaic tile according to claim 1 wherein said straps have a recessed structure proximate said extensions.

3. The photovoltaic tile according to claim 1, wherein at least one lap joint of the photovoltaic tile is provided with a sealant layer.

4. A photovoltaic tile according to claim 1 wherein a crimp structure is formed on the other two opposite sides of the carrier.

5. The photovoltaic tile according to claim 4, wherein the hold-down structure is formed by a carrier edge that is folded back and folded back in a direction away from the photovoltaic module.

6. The photovoltaic tile according to claim 4, wherein the binder structure has a length that is greater than or equal to a length of a target side of the photovoltaic module, the target side being a side of the photovoltaic module that is adjacent to the binder structure.

7. The photovoltaic tile of claim 1, wherein the bridging portion comprises a first panel portion, a second panel portion, a third panel portion and a fourth panel portion connected in series;

8. Photovoltaic tile according to claim 7, characterized in that said extensions are plate-shaped;

9. The photovoltaic tile of claim 8, wherein the angle of the first included angle is greater than or equal to 90 degrees.

10. A photovoltaic tile according to claim 1 wherein an adhesive layer is provided between the carrier and the photovoltaic module to adhere the photovoltaic module to the carrier.