CN210713570U

CN210713570U - Photovoltaic roofing system

Info

Publication number: CN210713570U
Application number: CN201920597546.8U
Authority: CN
Inventors: 翟思晗; 岳卫东
Original assignee: Beijing Hanergy Optovoltaic Technology Co ltd
Current assignee: Beijing Hanergy Optovoltaic Technology Co ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-06-09
Anticipated expiration: 2029-04-28

Abstract

The embodiment of the disclosure relates to the technical field of photovoltaic buildings and discloses a photovoltaic roof system so as to improve the dismounting efficiency of photovoltaic tiles, reduce the installation cost and improve the waterproof effect. The photovoltaic tile comprises a keel and a plurality of photovoltaic tiles which are arranged on the keel, vertically overlapped and horizontally assembled, wherein a clamping groove piece is respectively clamped at the left side edge and the right side edge of a power generation body of each photovoltaic tile; the photovoltaic roofing system further includes: the I-shaped slot inserting pieces are arranged between the left photovoltaic tile and the right photovoltaic tile, and the two slot inserting pieces which are close to the left photovoltaic tile and the right photovoltaic tile are correspondingly inserted into the two slots of the I-shaped slot inserting pieces. This structural design makes the photovoltaic tile installation comparatively simple and convenient to improved the dismouting efficiency of photovoltaic tile, reduced installation cost, the waterproof effect of seam can also be played to the I shape slot component, thereby improved photovoltaic roofing system's water-proof effects.

Description

Photovoltaic roofing system

Technical Field

The present disclosure relates to the field of photovoltaic building technology, and more particularly, to a photovoltaic roofing system.

Background

In the world today, people are pursuing higher and higher comfortable building environments, which leads to increasing energy consumption of buildings. According to statistics, the building energy consumption of developed countries accounts for about 30-40% of the total national energy consumption. Therefore, the development of clean electric energy is a necessary trend of building development.

Based on the development situation of the photovoltaic industry, photovoltaic tiles integrating the traditional tile function and the photovoltaic power generation function are appeared on the market. The photovoltaic tiles are paved on a building roof to form a photovoltaic roof system, the converted electric energy can be used for building self-power supply, and the redundant electric energy can be merged into a local power grid.

However, in the related art, the installation structure of the photovoltaic tile on the roof is generally complex, which results in low assembly and disassembly efficiency and high installation cost, and moreover, the waterproof effect after installation is not satisfactory.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a photovoltaic roofing system to improve the dismouting efficiency of photovoltaic tile, reduce installation cost, and improve water-proof effects.

The photovoltaic roof system comprises a keel and a plurality of photovoltaic tiles which are arranged on the keel, vertically overlapped, left and right assembled, and a clamping groove piece is respectively clamped on the left side and the right side of a power generation body of each photovoltaic tile; the photovoltaic roofing system further includes: the photovoltaic tile fixing device comprises I-shaped slot parts arranged between two adjacent photovoltaic tiles on the left and right, and two adjacent slot parts of the two adjacent photovoltaic tiles on the left and right are correspondingly inserted into two slots of the I-shaped slot parts.

Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

FIG. 1 is a schematic view of a photovoltaic roofing system according to one embodiment of the present disclosure;

fig. 2 is a schematic diagram illustrating assembly of a left photovoltaic tile and a right photovoltaic tile in an embodiment of the present disclosure;

fig. 3a is a schematic view of a concave photovoltaic tile in an embodiment of the present disclosure;

fig. 3b is a schematic view of a convex photovoltaic tile in an embodiment of the present disclosure;

fig. 4a is a schematic view of a concave photovoltaic tile mounted to a keel according to an embodiment of the disclosure;

fig. 4b is a schematic view of a convex photovoltaic tile mounted to a keel according to an embodiment of the disclosure;

FIG. 5a is a schematic view of a first hook according to an embodiment of the present disclosure;

fig. 5b is a schematic view of a second hook according to an embodiment of the disclosure.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In order to improve the dismouting efficiency of photovoltaic tile of photovoltaic roofing system, reduce installation cost to improve photovoltaic roofing system's water-proof effects, this disclosed embodiment provides a photovoltaic roofing system.

As shown in fig. 1 and fig. 2, a photovoltaic roofing system provided by the embodiment of the present disclosure includes a keel 1, and a plurality of photovoltaic tiles 2 installed on the keel 1, and vertically overlapped, left and right assembled, and a slot member 21 is respectively clamped on left and right sides of a power generation body of the photovoltaic tiles 2; furthermore, the photovoltaic roofing system further comprises: the I-shaped slot inserting piece 22 is arranged between the two adjacent photovoltaic tiles 2 on the left and the right, and the two close slot clamping pieces 21 of the two adjacent photovoltaic tiles 2 on the left and the right are correspondingly inserted into the two slots of the I-shaped slot inserting piece 22.

Wherein, the electricity generation body of photovoltaic tile 2 can be understood as photovoltaic tile 2 as a subassembly, wherein plays the body part of photoelectric conversion effect. The power generation chip integrated in the power generation body can adopt a crystalline silicon power generation chip or a thin film power generation chip. Preferably, the thin film power generation chip is adopted, and has the advantages of high light absorption rate, low cost, simple preparation process, energy conservation, consumption reduction, good weak light transmittance, light weight, thinness, flexible appearance and the like.

As shown in fig. 1, the keel 1 generally comprises cross-wise arranged transverse keels 11 and longitudinal keels 12. As can be seen with reference to fig. 4a or 4b, in an alternative embodiment the photovoltaic tile 2 is fixed to the keel 1 in the following way: the lower surface of the electricity generation body of every photovoltaic tile 2 is equipped with links 24, and fossil fragments 1 corresponds every photovoltaic tile 2 and is provided with the couple, like first couple 3 or second couple 4, photovoltaic tile 2 articulates on corresponding couple through respective linking 24. Similar with ordinary tile, photovoltaic tile 2 when the installation, from top to bottom the overlap joint, control and assemble, promptly: the lower edge of the upper photovoltaic tile is overlapped on the upper edge of the lower photovoltaic tile, and the end parts of the two adjacent photovoltaic tiles are spliced.

This disclosed embodiment photovoltaic roofing system is when laying the installation, with photovoltaic tile 2 according to upper and lower suit, control the mode of assembling and install on fossil fragments 1 in proper order, wherein, control the draw-in groove spare 21 cartridge of two adjacent photovoltaic tiles 2 in two slots of I shape slot spare 22, this structural design makes the installation comparatively simple and convenient, thereby the dismouting efficiency of photovoltaic tile 2 has been improved, the installation cost is reduced, furthermore, I shape slot spare 22 can also play the waterproof effect of seam, thereby the water-proof effects of photovoltaic roofing system has been improved.

Referring to fig. 1, 3a and 3b, in this alternative embodiment of the present disclosure, the power generation body of the photovoltaic tile 2 includes: a planar portion 201 and two crimping portions 202 which are positioned on the left and right sides of the planar portion 201 and are crimped in opposite directions; one photovoltaic tile of the two adjacent photovoltaic tiles 2 on the left and right sides is a concave photovoltaic tile 2a, and two curled edge portions 202 of the power generation body of the concave photovoltaic tile 2a are curled upwards; the other photovoltaic tile 2 is a convex photovoltaic tile 2b, and two curled portions 202 of the power generation body of the convex photovoltaic tile 2b are curled downward. It is worth mentioning that in other embodiments of the present disclosure, the power generating body of the photovoltaic tile may also adopt a planar shape.

The photovoltaic roofing system designs the structure pattern that convex surface photovoltaic tile 2b and concave surface photovoltaic tile 2a were assembled, not only is convenient for water guide, has still richened photovoltaic roofing system's outward appearance pattern. It can be understood that, convex photovoltaic tile 2b and concave photovoltaic tile 2a can adopt the curved surface glass plate of same specification when producing, just anti-dual-purpose, as convex photovoltaic tile 2b and concave photovoltaic tile 2 a's printing opacity front bezel respectively, and the photic side of power generation chip is towards this printing opacity front bezel.

In a further alternative embodiment, as shown in fig. 2, the width of the slot member 21 covering the upper surface of the power generating body is greater than the width of the slot member 21 covering the lower surface of the power generating body; the width of the i-shaped slot member 22 covering the upper surfaces of the two slot members 21 is greater than the width of the i-shaped slot member 22 covering the lower surfaces of the two slot members 21. The covering width of the slot members 21 on the upper surface of the power generation body and the covering width of the i-shaped slot members 22 on the upper surfaces of the two slot members 21 are designed to be relatively large, so that the waterproof effect can be further improved.

In an optional embodiment, the clamping groove part 21 is fixedly bonded with the power generation body through the colloid, so that the clamping groove part 21 is more reliably connected with the power generation body, and on the other hand, the colloid can play a role in sealing, so that water vapor can be effectively prevented from entering from a connecting gap, and the service life of the photovoltaic tile 2 is prolonged.

Referring to fig. 1, fig. 3a and fig. 3b, in an alternative embodiment, a waterproof structure is also designed at the top edge of the photovoltaic tile 2, specifically, the photovoltaic tile 2 further includes a waterproof adhesive tape 23 disposed on the upper surface of the power generation body and near the top edge, so that after the photovoltaic roof system is laid, rainwater can be prevented from flowing backward, and the waterproof effect is further improved.

Referring to fig. 4a and 4b, a hanging member 24 is disposed on the lower surface of the planar portion of the power generating body of each photovoltaic tile 2; because the convex photovoltaic tile 2b and the concave photovoltaic tile 2a have different shape characteristics, and the distance from the plane part of the power generation body to the keel 1 is also different, in the embodiment, the keel 1 is provided with a first hook 3 corresponding to each concave photovoltaic tile 2a, and a second hook 4 corresponding to each convex photovoltaic tile 2 b; the hanging and connecting piece 24 of the concave photovoltaic tile 2a is hung on the corresponding first hook 3, and the hanging and connecting piece 24 of the convex photovoltaic tile 2b is hung on the corresponding second hook 4.

As shown in fig. 4a, 4b, 5a and 5b, the second hook 4 comprises a first U-shaped part 41 and a second U-shaped part 42 fixed by means of a bolt 5 one above the other and opening towards the same, the first U-shaped part 41 being located above the second U-shaped part 42; the first hook 3 is of the same construction as the first U-shaped member 41. Namely: when the convex photovoltaic tile 2b needs to be installed, a combined structure of the first U-shaped member 41 and the second U-shaped member 42 is adopted, and when the concave photovoltaic tile 2a needs to be installed, only the first U-shaped member 41 is adopted. The hook is low in production cost, good in installation interchangeability and beneficial to improving the installation efficiency.

In addition, friction lines 44, such as friction saw teeth, are designed on the inner surfaces of the side walls, close to the keel 1, of the first U-shaped part 41 and the second U-shaped part 42, a gasket 43 is arranged between the bolt 5 and the friction line 44 of the first U-shaped part 41, the friction lines 44 on the first U-shaped part 41 and the second U-shaped part 42 can increase the friction force of installation, and the gasket 43 can increase the stress area of installation, prevent connection loosening and protect parts, so that the reliability of fastening connection is further improved.

When the first and second U-shaped

members

41, 42 are assembled and when the first U-shaped member 41 is separately mounted on the keel 1, the side wall of the first U-shaped member 41 remote from the keel 1 has an open slot 45 for the passage of a screwdriver, which in particular operates to tighten the nut of the bolt 5 through the slot 45, for ease of operation. In addition, the holes of the first U-shaped member 41 and the second U-shaped member 42 for assembling with the bolts 5 may be designed in a strip hole shape as shown in the figure, so that when in actual installation, the relative positions of the first U-shaped member 41 and the second U-shaped member 42 are convenient to adjust according to the assembling error, thereby ensuring the installation accuracy of the photovoltaic tile.

In the above embodiments, the specific structural form of the hanging member 24 is not limited, as long as the hanging member can be reliably hung on the hook. In an alternative embodiment shown in fig. 4a and 4b, the suspension element 24 is a sleeve-like suspension element. The hanging piece 24 can be fixedly bonded with the power generation body of the photovoltaic tile 2 through glue.

Although the embodiments disclosed in the present disclosure are described above, the embodiments are only used for understanding the present disclosure, and are not intended to limit the present disclosure. It will be understood by those skilled in the art of the present disclosure that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure, and that the scope of the disclosure is to be limited only by the terms of the appended claims.

Claims

1. A photovoltaic roofing system is characterized by comprising a keel (1) and a plurality of photovoltaic tiles (2) which are arranged on the keel (1), vertically overlapped, left and right assembled, and a clamping groove piece (21) is respectively clamped on the left side and the right side of a power generation body of each photovoltaic tile (2);

the photovoltaic roofing system further includes: the photovoltaic tile fixing structure comprises I-shaped slot inserting pieces (22) arranged between two adjacent photovoltaic tiles (2) on the left and right sides, and two slot clamping pieces (21) which are close to the two adjacent photovoltaic tiles (2) on the left and right sides are correspondingly inserted into two slots of the I-shaped slot inserting pieces (22).

2. Photovoltaic roofing system according to claim 1, characterized in that the channel element (21) is fixed to the power generating body by means of glue bonding.

3. Photovoltaic roofing system according to claim 1, characterized in that the width of the channel member (21) covering the upper surface of the power generating body is greater than the width of the channel member (21) covering the lower surface of the power generating body;

the width of the upper surfaces of the two slot clamping pieces (21) covered by the I-shaped slot inserting piece (22) is larger than the width of the lower surfaces of the two slot clamping pieces (21) covered by the I-shaped slot inserting piece (22).

4. Photovoltaic roofing system according to claim 1, characterized in that said photovoltaic tile (2) further comprises: and the waterproof rubber strip (23) is arranged on the upper surface of the power generation body and is close to the top edge.

5. The photovoltaic roofing system of any one of claims 1 to 4, wherein the power generating body comprises: a planar part (201) and two curling parts (202) which are positioned at the left side and the right side of the planar part (201) and are curled oppositely;

one photovoltaic tile (2) of two adjacent photovoltaic tiles (2) on the left and right is a concave photovoltaic tile (2a), and two edge curling parts (202) of the power generation body of the concave photovoltaic tile (2a) are curled upwards; and the other photovoltaic tile (2) is a convex photovoltaic tile (2b), and the two crimping parts (202) of the power generation body of the convex photovoltaic tile (2b) are crimped downwards.

6. Photovoltaic roofing system according to claim 5,

a hanging piece (24) is arranged on the lower surface of the plane part (201) of the power generation body of each photovoltaic tile (2);

the keel (1) is provided with a first hook (3) corresponding to each concave photovoltaic tile (2a), and a second hook (4) corresponding to each convex photovoltaic tile (2 b);

the hanging and connecting piece (24) of the concave photovoltaic tile (2a) is hung and connected on the corresponding first hook (3), and the hanging and connecting piece (24) of the convex photovoltaic tile (2b) is hung and connected on the corresponding second hook (4).

7. Photovoltaic roofing system according to claim 6, characterized in that the hitches (24) are sleeve-like hitches.

8. Photovoltaic roofing system according to claim 6, characterized in that said second hook (4) comprises a first U-shaped element (41) and a second U-shaped element (42) fixed one above the other by means of bolts (5) and opening towards the same, said first U-shaped element (41) being positioned above said second U-shaped element (42); the first hook (3) is identical in structure with the first U-shaped piece (41).

9. Photovoltaic roofing system according to claim 8, characterized in that the inner surface of the first U-shaped element (41) and of the second U-shaped element (42) close to the side walls of the keel (1) have friction lines (44), between the bolt (5) and the friction lines (44) of the first U-shaped element (41) there being a spacer (43).

10. Photovoltaic roofing system according to claim 8, characterized in that the side wall of the first U-shaped element (41) remote from the keel (1) has an open slot (45) for the passage of a screwdriver.