CN212866640U

CN212866640U - Photovoltaic tile and roofing power generation system

Info

Publication number: CN212866640U
Application number: CN202021396054.1U
Authority: CN
Inventors: 王新宇; 郭春艳
Original assignee: Shenhua Beijing Photovoltaic Technology Research And Development Co ltd
Current assignee: Shenhua Beijing Photovoltaic Technology Research And Development Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-02
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a photovoltaic tile and a roof power generation system, wherein the photovoltaic tile comprises a tile frame (100), a CIGS assembly and a silicone weather-resistant sealant (310); the tile frame (100) is of a frame structure with a hollow middle part, the edge of the hollow part of the tile frame (100) is provided with a step part (110) along the circumferential direction of the tile frame (100), and the step part (110) is provided with a first step and a second step in sequence from high to low; the CIGS assembly comprises a CIGS plate (210), wherein the edge part of the bottom surface of the CIGS plate (210) is connected with the top surface of the second step, a gap is formed between the side wall of the CIGS plate (210) and the side wall of the first step, and the silicone weather-resistant sealant (310) is filled in the gap. The utility model discloses a photovoltaic tile has good water-stop performance.

Description

Photovoltaic tile and roofing power generation system

Technical Field

The utility model relates to a photovoltaic technology field specifically relates to a photovoltaic tile and roofing power generation system.

Background

The solar photovoltaic industry is currently growing very rapidly, in recent years at a rate of over 50% per year, with photovoltaic power generation systems installed on building roofs representing a large percentage. The core component of the photovoltaic power generation is a CIGS thin film component, the CIGS thin film component is arranged in a tile frame to form a photovoltaic tile, and then the photovoltaic tile is arranged on the roof of a building to form a photovoltaic power generation system.

However, the photovoltaic tiles of the prior art have poor water sealing performance, and in a humid environment or in rainy days, water can infiltrate into the photovoltaic tiles, which can affect the roof of a building on one hand and short-circuit the lines of a power generation system on the other hand, thereby causing serious consequences.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that prior art exists, provide a photovoltaic tile and roofing power generation system, this photovoltaic tile has good water-stop performance.

In order to achieve the above object, the present invention provides a photovoltaic tile, which comprises a tile frame, a CIGS module and a silicone weather-resistant sealant; the tile frame is of a frame structure with a hollow middle part, the edge of the hollow part of the tile frame is provided with a step part along the circumferential direction of the tile frame, and the step part is provided with a first step and a second step in sequence from high to low; the CIGS assembly comprises a CIGS plate, the edge part of the bottom surface of the CIGS plate is connected with the top surface of the second step, a gap is formed between the side wall of the CIGS plate and the side wall of the first step, and the silicone weather-resistant sealant is filled in the gap.

Optionally, the tile frame is an engineering resin tile frame.

Optionally, the top surface of the CIGS sheet is flush with the top surface of the first step.

Optionally, the bottom edge of the CIGS plate is connected to the top surface of the second step by a silicone structural adhesive.

Optionally, wind-blocking portions are respectively arranged on two sides of the tile frame, and the wind-blocking portions are higher than the top surface of the first step.

Optionally, the wind blocking part is provided with a water chute along the length direction thereof.

Optionally, the tile frame is provided with a tile hanging hole for a fastener to pass through, the bottom surface of the tile frame is provided with an installation groove matched with an external installation purline, and the tile hanging hole is located at the bottom of the installation groove.

Optionally, the CIGS module includes a junction box mounted to a bottom surface of the tile frame, the junction box being electrically connected to the CIGS plate.

According to the technical scheme, the tile frame is of a frame structure with a hollow middle part, the edge of the hollow part of the tile frame is provided with a step part along the circumferential direction of the tile frame, and the step part is provided with a first step and a second step in sequence from high to low; the CIGS assembly comprises a CIGS plate, and the bottom edge part of the CIGS plate is connected with the top surface of the second step. Because the utility model discloses a lateral wall of CIGS board with the clearance has between the lateral wall of first step, the sealed glue of waiting of silicone is filled in the clearance, that is to say, the sealed glue of waiting of silicone is in the lateral wall of CIGS board with provide good water-stop between the lateral wall of first step, thereby make the utility model discloses a photovoltaic tile has good water-stop performance.

The utility model discloses the second aspect provides a roofing power generation system, roofing power generation system is including installation purlin and foretell photovoltaic tile, and the installation purlin is used for installing the roofing at the building, the tile frame of photovoltaic tile with the installation purlin passes through the fastener and connects.

Optionally, the roof power generation system includes an aluminum alloy cushion frame, and the aluminum alloy cushion frame is installed between the installation purlin and the roof to provide support for the installation purlin.

The roof power generation system has the same advantages as the photovoltaic tiles compared with the prior art, and the description is omitted.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

Fig. 1 is a schematic structural view of one embodiment of the photovoltaic tile of the present invention;

fig. 2 is a vertical cut-away view of a photovoltaic tile of the present invention;

fig. 3 is a transverse cut-away view of a photovoltaic tile of the present invention;

FIG. 4 is a schematic view of an embodiment of a roof power system of the present invention;

fig. 5 is a partial schematic view of the roof power generation system of the present invention.

Description of the reference numerals

100-tile frame, 110-step part, 120-wind shield part, 130-water chute, 140-tile hanging hole, 150-mounting groove, 210-CIGS plate, 220-junction box, 310-silicone weather-resistant sealant, 320-silicone structural adhesive, 400-mounting purlin and 500-aluminum alloy cushion frame

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The core component of the photovoltaic power generation is a CIGS thin film component, the CIGS thin film component is arranged in a tile frame to form a photovoltaic tile, and then the photovoltaic tile is arranged on the roof of a building to form a photovoltaic power generation system.

However, the photovoltaic tiles of the prior art have poor water sealing performance, and in a humid environment or in rainy days, water can infiltrate into the photovoltaic tiles, which can affect the roof of a building on one hand and short-circuit the lines of a power generation system on the other hand, thereby causing serious consequences. The utility model provides a solve the above-mentioned problem and provide a photovoltaic tile, this photovoltaic tile has good water-stop performance.

Specifically, as shown in fig. 1 to 3, the photovoltaic tile of the present invention includes a tile frame 100, a CIGS module, and a silicone weather-resistant sealant 310; the tile frame 100 is of a frame structure with a hollow middle, a step part 110 is arranged at the edge of the hollow part of the tile frame 100 along the circumferential direction of the tile frame 100, and the step part 110 is a first step and a second step which are sequentially arranged from high to low; the CIGS module includes a CIGS plate 210, a bottom edge portion of the CIGS plate 210 is connected to the top surface of the second step, a gap is formed between the sidewall of the CIGS plate 210 and the sidewall of the first step, and the silicone weather-resistant sealant 310 is filled in the gap.

The utility model discloses in, the CIGS subassembly adopts CIGS membrane power generation technique, because the CIGS subassembly the lateral wall of CIGS board 210 with have the clearance between the lateral wall of first step, the sealed glue 310 of nai time of silicone is filled in the clearance, that is to say, the sealed glue 310 of nai time of silicone is in CIGS board 210's lateral wall with provide good water-tight between the lateral wall of first step, thereby make the utility model discloses a photovoltaic tile has good water-tight performance.

In addition, since the tile frame 100 has a frame structure with a hollow middle, when the CIGS plate 210 is mounted on the tile frame 100, ventilation and heat dissipation of the CIGS plate 210 are facilitated, and thus the power generation efficiency is greatly improved.

The CIGS plate 210 of the present invention may be manufactured in the following manner: and (2) laying POE adhesive films with the thickness of 0.7mm on the upper and lower surfaces of the photovoltaic base layer glass with the thickness of 3mm plated with the CIGS film layer, mounting cover plate glass with the thickness of 3.2mm on the adhesive films, and gluing the structure in a high-pressure kettle to combine the substrate with the power generation film layer and the glass into a whole to form the CIGS plate suitable for building application. The benefits of using a CIGS sheet 210 are: the problem of shadow shielding and the problem of dust deposition when the device is used for a roof can be avoided to the maximum extent, and therefore the loss of generated power is reduced.

In the prior art, the tile frame is usually made of traditional ceramic materials, and the ceramic materials are heavy in weight and are extremely easy to break in the transportation process, so that the precision of the product is low. In order to solve the problem the utility model discloses in, tile frame 100 is engineering resin tile frame, and the tile frame that adopts engineering resin to make has intensity height, light in weight, high resistant time, characteristics that fire behavior is high to, its appearance and colour of engineering resin tile frame can also the customization design, are applicable to different use scenes, and the suitability is comparatively extensive.

In order to make the photovoltaic tile more aesthetically pleasing, in one embodiment of the present invention, the top surface of the CIGS sheet 210 is flush with the top surface of the first step. That is, the top surface of the CIGS sheet 210 and the top surface of the first step are on the same plane, so that there is no step structure on the surface of the photovoltaic tile, on one hand, the appearance is more beautiful, and on the other hand, the problem of dust and sundries accumulation caused by the step structure can be avoided.

It should be understood that the CIGS sheet 210 may be disposed on the top surface of the second step in various ways, for example, the edge portion of the bottom surface of the CIGS sheet 210 is connected to the top surface of the second step through the silicone structure adhesive 320, and since the silicone structure adhesive 320 has good compatibility with resin materials, the CIGS sheet 210 is connected to the second step made of engineering resin materials through the silicone structure adhesive 320, so that the connection effect is better. The utility model discloses adopt simultaneously that the resistant sealed glue 310 of gluing of silicone structural adhesive 320 and silicone combines the use, can improve structural security, water proofness and gas tightness to have good appearance performance.

Specifically, two sides of the tile frame 100 are respectively provided with a wind shielding portion 120, and the wind shielding portion 120 is higher than the top surface of the first step.

In order to improve the waterproof performance, in an embodiment of the present invention, the wind blocking portion 120 is provided with a water guiding groove 130 along a length direction thereof. When rainwater enters the lap joint of the two photovoltaic tiles, the rainwater can flow out along the water guide groove, so that the waterproof performance of the whole system is met.

In order to facilitate the installation of the photovoltaic tile, the utility model discloses an embodiment, tile frame 100 offers the hole 140 of hanging tiles that is used for the fastener to pass, tile frame 100's bottom surface is equipped with and installs the mounting groove 150 with outside installation purlin 400 matched with, hang tile hole 140 and be located mounting groove 150's tank bottom.

In addition, the CIGS module further includes a junction box 220 mounted to the bottom surface of the tile frame 100, the junction box 220 being electrically connected to the CIGS plate 210.

Adopt the utility model discloses a power generation system that photovoltaic tile is constituteed can be used for multiple occasion, the utility model especially provides a roofing power generation system suitable for building, as shown in fig. 4 and fig. 5, roofing power generation system is including installation purlin 400 and foretell photovoltaic tile, and installation purlin 400 is used for installing the roofing at the building, the tile frame 100 of photovoltaic tile with installation purlin 400 passes through the fastener and connects.

Specifically, the mounting purlins 400 are firstly mounted on the roof, the photovoltaic tiles are positioned on the mounting purlins 400 through the mounting grooves 150 on the bottom surface of the tile frame 100, and then the photovoltaic tiles are firmly connected to the mounting purlins 400 through the tile hanging holes 140 on the tile frame 100 by screws.

Due to the structure of the tile frame 100, when a plurality of photovoltaic tiles are installed in a combined manner, a height difference is generated between the photovoltaic tiles, so that the roof power generation system further comprises an aluminum alloy cushion frame 500, and the aluminum alloy cushion frame 500 is installed between the installation purlin 400 and the roof to provide support for the installation purlin 400. That is to say, a plurality of aluminum alloy cushion frames 500 are stacked together to solve the height difference problem between the photovoltaic tiles, so that the photovoltaic tiles of the installed roof power generation system are relatively kept flat.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide a solution of the present invention with a plurality of simple modifications to avoid unnecessary repetition, and the present invention is not described separately for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A photovoltaic tile comprising a tile frame (100), a CIGS assembly, and a silicone weatherable sealant (310);

the tile frame (100) is of a frame structure with a hollow middle part, the edge of the hollow part of the tile frame (100) is provided with a step part (110) along the circumferential direction of the tile frame (100), and the step part (110) is provided with a first step and a second step in sequence from high to low;

the CIGS assembly comprises a CIGS plate (210), wherein the bottom surface edge part of the CIGS plate (210) is connected with the top surface of the second step, a gap is formed between the side wall of the CIGS plate (210) and the side wall of the first step, and the silicone weather-resistant sealant (310) is filled in the gap.

2. The photovoltaic tile according to claim 1, wherein said tile frame (100) is an engineered resin tile frame.

3. The photovoltaic tile according to claim 1, wherein the top surface of the CIGS sheet (210) is flush with the top surface of the first step.

4. The photovoltaic tile according to claim 1, wherein the bottom edge portion of the CIGS sheet (210) is connected to the top surface of the second step by a silicone structural adhesive (320).

5. The photovoltaic tile according to claim 1, wherein said tile frame (100) is provided with a wind shield (120) on each side, said wind shield (120) being arranged higher than the top surface of said first step.

6. The photovoltaic tile according to claim 5, wherein said windshield portion (120) is provided with a water chute (130) along its length.

7. The photovoltaic tile according to claim 1, wherein the tile frame (100) is provided with a tile hanging hole (140) for a fastener to pass through, the bottom surface of the tile frame (100) is provided with a mounting groove (150) matched with an external mounting purlin (400), and the tile hanging hole (140) is positioned at the bottom of the mounting groove (150).

8. The photovoltaic tile according to any one of claims 1-7 wherein said CIGS assembly comprises a junction box (220) mounted to the bottom surface of said tile frame (100), said junction box (220) being electrically connected to said CIGS plate (210).

9. A roofing power generation system comprising a mounting purlin (400) and a photovoltaic tile according to any one of claims 1 to 8, the mounting purlin (400) being for mounting on a roof of a building, the tile rim (100) of the photovoltaic tile being connected to the mounting purlin (400) by fasteners.

10. The roofing power generation system of claim 9 including an aluminium alloy backing frame (500), said aluminium alloy backing frame (500) being mounted between the mounting purlins (400) and the roof to provide support to the mounting purlins (400).