Curved photovoltaic tile

Abstract

A curved photovoltaic tile (110) is disclosed. The curved photovoltaic tile (110) comprises: a light-transmitting panel (1101); a photovoltaic cell layer (1104), which is located on one side of the light-transmitting panel (1101); an insulating layer (1106), which is located on the side of the photovoltaic cell layer (1104) away from the light-transmitting panel (1101); and a metal back plate (1108), which is arranged on the side of the insulating layer (1106) away from the photovoltaic cell layer (1104).

Description

Curved photovoltaic tiles

[0001] Priority information

[0002] This application claims priority and benefits of patent application No. 202420132459.6 filed with the State Intellectual Property Office of China on January 18, 2024, and the entire text of which is incorporated herein by reference. Technical Field

[0003] The present application relates to the field of photovoltaic technology, and in particular to a curved photovoltaic tile. Background Art

[0004] Current curved photovoltaic tiles typically use materials such as PET as a backing to support the entire curved photovoltaic tile, which results in poor support and relatively low stability. In addition, the insulation effect of current photovoltaic tiles is poor, making them prone to leakage. Summary of the Invention

[0005] A first aspect of the present application is to provide a curved photovoltaic tile.

[0006] The curved photovoltaic tile provided in the present application includes: a light-transmitting panel; a photovoltaic cell layer located on one side of the light-transmitting panel; an insulating layer located on the side of the photovoltaic cell layer away from the light-transmitting panel; and a metal backplane arranged on the side of the insulating layer away from the photovoltaic cell layer.

[0007] The curved photovoltaic tiles of this application adjust the conventional flexible backplane to a metal backplane, which can further improve the support strength of the photovoltaic tiles. In addition, an insulating layer is provided between the metal backplane and the photovoltaic cell layer to prevent leakage and increase power generation. Furthermore, since this application adjusts the backplane to a metal backplane, it provides a basis for backplane installation. It is understandable that the current installation method can only be installed through a rigid panel and cannot be adjusted according to actual needs. After the application is adjusted to a metal backplane, since a basis for backplane installation is provided, the backplane can be selected to install the curved photovoltaic tiles according to needs.

[0008] In some technical solutions, optionally, a mounting structure is provided on the metal back plate, and the mounting structure is used to fix the curved photovoltaic tile on the mounted object.

[0009] This technical solution uses a mounting structure on a metal backplane to secure the curved photovoltaic tiles. This makes installation more convenient than conventional methods of securing curved photovoltaic tiles with panels or frame mounting. Furthermore, the metal backplane offers greater stability than conventional flexible backplanes. Optionally, the metal backplane can be aluminum, which offers advantages such as lightweight and high corrosion resistance.

[0010] In some technical solutions, optionally, the metal back plate includes a protrusion, the protrusion is arranged to protrude from the photovoltaic cell layer, and the mounting structure is arranged on the protrusion.

[0011] In this technical solution, the mounting structure is placed on the protruding portion, making installation more convenient. In addition, because the metal backplane is longer than the photovoltaic cell layer, the overall center of gravity of the curved photovoltaic tile is shifted toward the metal backplane, further improving the overall stability of the curved photovoltaic tile.

[0012] In some technical solutions, optionally, the mounting structure includes a mounting hole.

[0013] In this technical solution, the mounting structure includes a mounting hole, the number of which is at least one. Of course, the mounting structure can also be bolts, rivets, or clips as needed. Optionally, the mounting structure and the metal backplate are integrally formed, which can improve production efficiency.

[0014] In some technical solutions, optionally, the curved photovoltaic tile further includes a visible fiberglass cloth layer, and the visible fiberglass cloth layer is located between the light-transmitting panel and the photovoltaic cell layer.

[0015] In this technical solution, the photovoltaic tiles of the present application are provided with a visible fiberglass cloth layer above the photovoltaic cell layer, which can ensure the overall strength of the photovoltaic tiles, provide good protection for the photovoltaic cell layer in a hail environment, and reduce the strength requirements for the light-transmitting panels, making the material selection range of the light-transmitting panels wider, instead of having to use rigid light-transmitting panels as in the prior art, which reduces the overall quality.

[0016] In some technical solutions, optionally, in the visible glass fiber cloth layer, the mass percentage of the glass fiber in the visible glass fiber cloth layer is greater than or equal to 25% and less than or equal to 35%.

[0017] In this technical solution, the glass fiber content is controlled to ensure that the curved photovoltaic tile has a certain strength and prevent damage to the photovoltaic cell layer. While ensuring strength, it can also avoid excessive glass fiber content that would cause excessive overall weight. Optionally, the mass of the glass fiber accounts for 30% of the mass of the visible glass fiber cloth layer.

[0018] In some technical solutions, optionally, the curved photovoltaic tile further includes a first adhesive layer, which is arranged between the visible glass fiber cloth layer and the light-transmitting panel; the material of the first adhesive layer includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0019] In this technical solution, a first adhesive layer is provided between the visible glass fiber cloth layer and the light-transmitting panel, and the material of the first adhesive layer is limited, thereby improving the connection strength between the visible glass fiber cloth layer and the light-transmitting panel and ensuring a good light-transmitting effect.

[0020] In some technical solutions, optionally, the light-transmitting panel includes a PET (polyethylene glycol terephthalate) light-transmitting panel or a PET composite light-transmitting panel.

[0021] In this technical solution, the presence of a visible fiberglass layer allows the light-transmitting panel to be a PET light-transmitting panel or a PET composite light-transmitting panel, ensuring strength while significantly reducing overall weight. This eliminates the need for a rigid light-transmitting panel as required in the prior art. Furthermore, the PET light-transmitting panel or the PET composite light-transmitting panel offers improved light transmission compared to a rigid light-transmitting panel.

[0022] In some technical solutions, optionally, the curved photovoltaic tile further includes: a second adhesive layer, disposed between the photovoltaic cell layer and the insulating layer; and a third adhesive layer, disposed between the metal backboard and the insulating layer.

[0023] In this technical solution, the curved photovoltaic tile also includes a second adhesive layer and a third adhesive layer. The second adhesive layer is arranged between the photovoltaic cell layer and the insulating layer to achieve adhesion between the photovoltaic cell layer and the insulating layer. The third adhesive layer is arranged between the metal backboard and the insulating layer to achieve adhesion between the metal backboard and the insulating layer. By arranging the second adhesive layer and the third adhesive layer, the connection reliability of the photovoltaic cell layer, the insulating layer and the metal backboard is improved.

[0024] In some technical solutions, optionally, the material of the insulating layer includes PET, EPE (Expandable Polyethylene, polyethylene foam) or a composite material of PET and EPE.

[0025] In this technical solution, PET, EPE or a composite material of PET and EPE has a good insulation effect, further improving the power generation.

[0026] In some technical solutions, optionally, the material of the second adhesive layer includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide. The material of the third adhesive layer includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0027] In this technical solution, by selecting the materials of the second adhesive layer and the third adhesive layer, the second adhesive layer and the third adhesive layer can have good light transmission effect and can achieve reliable bonding.

[0028] In some technical solutions, optionally, the curved photovoltaic tile includes a curved structure, and the radius of the curved structure is greater than or equal to 26 mm and less than or equal to 200 mm.

[0029] In this technical solution, if the arc radius is too large, the peak position will be too flat, which is not conducive to light dispersion. If the arc radius is too small, it will not be conducive to the manufacture of curved photovoltaic tiles. Therefore, setting the radius of the curved structure between 26mm and 200mm can ensure the light dispersion effect and facilitate the manufacture of curved photovoltaic tiles. For example, the radius of the curved structure is 40mm, 80mm, or 120mm.

[0030] In some technical solutions, optionally, the curved surface structure includes peaks, and the number of the peaks is greater than or equal to 1 and less than or equal to 10.

[0031] In this technical solution, the curved surface structure is a concave-convex structure including peaks and troughs. Too many peaks will result in a too small radius at the peaks of the curved surface structure, which is not conducive to manufacturing. Therefore, the number of peaks is set between 1 and 10 to facilitate the manufacture of curved photovoltaic tiles. For example, the number of peaks is 4, 6, or 8.

[0032] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0034] FIG1 shows one of the structural schematic diagrams of the curved photovoltaic tile provided in an embodiment of the present application;

[0035] FIG2 shows a second structural schematic diagram of a curved photovoltaic tile provided in an embodiment of the present application;

[0036] FIG3 shows a third structural schematic diagram of a curved photovoltaic tile provided in an embodiment of the present application;

[0037] FIG4 shows one of the structural schematic diagrams of the backplane of the curved photovoltaic tile provided in an embodiment of the present application;

[0038] FIG5 shows a second structural schematic diagram of the backplane of the curved photovoltaic tile provided in an embodiment of the present application;

[0039] FIG6 shows a schematic block diagram of a roof provided by an embodiment of the present application;

[0040] FIG7 shows one of the schematic block diagrams of a building provided by an embodiment of the present application;

[0041] FIG8 shows a second schematic block diagram of a building provided in an embodiment of the present application;

[0042] FIG9 shows a schematic block diagram of a light-transmitting panel provided in an embodiment of the present application.

[0043] Among them, the correspondence between the figure marks in Figures 1 to 9 and the component names is: 1 building, 11 roof, 110 curved photovoltaic tile, 1101 light-transmitting panel, 11011 PET light-transmitting panel, 11012 PET composite light-transmitting panel, 1102 first adhesive layer, 1103 visible fiberglass cloth layer, 1104 photovoltaic cell layer, 1105 second adhesive layer, 1106 insulating layer, 1107 third adhesive layer, 1108 metal back plate, 11082 protrusion, 1109 mounting structure, 11092 mounting hole, 1110 curved surface structure, 11101 crest. DETAILED DESCRIPTION

[0044] The following describes in detail embodiments of the present application, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0045] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. The embodiments of the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the embodiments of the present application provide examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0046] As shown in Figure 1, the curved photovoltaic tile 110 provided in this embodiment includes: a light-transmitting panel 1101; a photovoltaic cell layer 1104, located on one side of the light-transmitting panel 1101; an insulating layer 1106, located on the side of the photovoltaic cell layer 1104 away from the light-transmitting panel 1101; and a metal backplane 1108, arranged on the side of the insulating layer 1106 away from the photovoltaic cell layer 1104.

[0047] The curved photovoltaic tile 110 of the present application adjusts the conventional flexible backplane to a metal backplane 1108, which can further improve the support strength of the curved photovoltaic tile 110. In addition, an insulating layer 1106 is provided between the metal backplane 1108 and the photovoltaic cell layer 1104, which can prevent leakage and increase power generation. Furthermore, since the present application adjusts the backplane to a metal backplane 1108, this provides a basis for backplane installation. It is understandable that the current installation method can only be installed through a rigid panel and cannot be adjusted according to actual needs. After the present application adjusts to a metal backplane 1108, since a basis for backplane installation is provided, the backplane can be selected to install the curved photovoltaic tile 110 according to needs.

[0048] In some embodiments, optionally, as shown in FIG3 , a mounting structure 1109 is provided on the metal back plate 1108 , and the mounting structure 1109 is used to fix the curved photovoltaic tile 110 on the mounted object.

[0049] In this embodiment, a mounting structure 1109 is provided on a metal backplane 1108 to secure the curved photovoltaic tile 110. This makes installation more convenient than conventional methods of securing the curved photovoltaic tile 110 via a panel or frame. Furthermore, the metal backplane 1108 is more stable than conventional flexible backplanes. Optionally, the metal backplane 1108 is an aluminum backplane, which offers advantages such as lightweight and high corrosion resistance.

[0050] In some embodiments, optionally, as shown in FIG. 3 , the metal back plate 1108 includes a protrusion 11082 , the protrusion 11082 is provided to protrude from the photovoltaic cell layer 1104 , and the mounting structure 1109 is provided on the protrusion 11082 .

[0051] In this embodiment, mounting structure 1109 is positioned on protrusion 11082, making installation more convenient. Furthermore, because metal backplate 1108 is longer than photovoltaic cell layer 1104, the center of gravity of curved photovoltaic tile 110 is shifted toward metal backplate 1108, further improving the overall stability of curved photovoltaic tile 110.

[0052] In some embodiments, optionally, as shown in FIG. 4 and FIG. 5 , the mounting structure 1109 includes a mounting hole 11092 .

[0053] In this embodiment, the mounting structure 1109 includes a mounting hole 11092, with a minimum of one. Alternatively, the mounting structure 1109 may be a bolt, rivet, or snap fastener, as needed. Optionally, the mounting structure 1109 and the metal back plate 1108 are integrally formed, which improves manufacturing efficiency.

[0054] In some technical solutions, optionally, as shown in FIG. 2 , the curved photovoltaic tile 110 further includes a visible fiberglass cloth layer 1103 , and the visible fiberglass cloth layer 1103 is located between the light-transmitting panel 1101 and the photovoltaic cell layer 1104 .

[0055] In this technical solution, the curved photovoltaic tile 110 of the present application is provided with a visible fiberglass cloth layer 1103 above the photovoltaic cell layer 1104, which can ensure the overall strength of the curved photovoltaic tile 110, and can provide good protection for the photovoltaic cell layer 1104 in a hail environment. It also reduces the strength requirements for the light-transmitting panel 1101, making the material selection range of the light-transmitting panel 1101 wider, instead of having to use a rigid light-transmitting panel as in the prior art, which reduces the overall quality.

[0056] In some embodiments, optionally, in the visible glass fiber cloth layer 1103 , the mass percentage of the glass fibers in the visible glass fiber cloth layer 1103 is greater than or equal to 25% and less than or equal to 35%.

[0057] In this embodiment, the glass fiber content is controlled to ensure that the curved photovoltaic tile 110 has a certain strength and prevent damage to the photovoltaic cell layer 1104. While ensuring strength, it can also avoid excessive glass fiber content that would result in excessive overall mass. Optionally, the mass of the glass fiber accounts for 30% of the mass of the visible glass fiber cloth layer 1103.

[0058] In some embodiments, optionally, the curved photovoltaic tile 110 further includes: a first adhesive layer 1102, disposed between the visible fiberglass cloth layer 1103 and the light-transmitting panel 1101; the material of the first adhesive layer 1102 includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0059] In this embodiment, a first adhesive layer 1102 is provided between the visible glass fiber cloth layer 1103 and the light-transmitting panel 1101 , and the material of the first adhesive layer 1102 is limited, thereby improving the connection strength between the visible glass fiber cloth layer 1103 and the light-transmitting panel 1101 while ensuring a good light transmission effect.

[0060] In some embodiments, optionally, as shown in FIG. 9 , the light-transmitting panel 1101 includes a PET light-transmitting panel 11011 or a PET composite light-transmitting panel 11012 .

[0061] In this embodiment, due to the provision of visible fiberglass cloth layer 1103, light-transmitting panel 1101 can be configured as a PET light-transmitting panel 11011 or a PET composite light-transmitting panel 11012. This ensures strength while significantly reducing overall weight, eliminating the need for a rigid light-transmitting panel as required in the prior art. Furthermore, PET light-transmitting panel 11011 or PET composite light-transmitting panel 11012 offers improved light transmission compared to a rigid light-transmitting panel.

[0062] In some embodiments, optionally, as shown in FIG2 , the curved photovoltaic tile 110 further includes a second adhesive layer 1105 disposed between the photovoltaic cell layer 1104 and the insulating layer 1106 ; and a third adhesive layer 1107 disposed between the metal backplane 1108 and the insulating layer 1106 .

[0063] In this embodiment, the curved photovoltaic tile 110 also includes a second adhesive layer 1105 and a third adhesive layer 1107. The second adhesive layer 1105 is arranged between the photovoltaic cell layer 1104 and the insulating layer 1106 to achieve adhesion between the photovoltaic cell layer 1104 and the insulating layer 1106. The third adhesive layer 1107 is arranged between the metal backplane 1108 and the insulating layer 1106 to achieve adhesion between the metal backplane 1108 and the insulating layer 1106. By arranging the second adhesive layer 1105 and the third adhesive layer 1107, the connection reliability of the photovoltaic cell layer 1104, the insulating layer 1106 and the metal backplane 1108 is improved.

[0064] In some embodiments, optionally, the material of the insulating layer 1106 includes PET, EPE, or a composite material of PET and EPE.

[0065] In this embodiment, PET, EPE or a composite material of PET and EPE has a good insulation effect, further improving the power generation.

[0066] In some embodiments, the second adhesive layer 1105 may be made of at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide. The third adhesive layer 1107 may be made of at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0067] In this embodiment, by selecting the materials of the second adhesive layer 1105 and the third adhesive layer 1107 , the second adhesive layer 1105 and the third adhesive layer 1107 have both good light transmission effect and can achieve reliable bonding.

[0068] In some embodiments, optionally, the curved photovoltaic tile 110 includes a curved structure 1110 , and the radius of the curved structure 1110 is greater than or equal to 26 mm and less than or equal to 200 mm.

[0069] In this embodiment, the multi-segment curved photovoltaic tile 110 is more conducive to light dispersion and better lighting. Furthermore, if the arc radius is too large, the peak 11101 will be too flat, which is not conducive to light dispersion. If the arc radius is too small, it will be difficult to manufacture the curved photovoltaic tile 110. Therefore, setting the radius of the curved structure 1110 between 26mm and 200mm can ensure the light dispersion effect and facilitate the manufacture of the curved photovoltaic tile 110. For example, the radius of the curved structure 1110 is 40mm, 80mm, or 120mm.

[0070] In some embodiments, optionally, the curved surface structure 1110 includes peaks 11101 , and the number of the peaks 11101 is greater than or equal to 1 and less than or equal to 10.

[0071] In this embodiment, too many peaks 11101 will result in a too small radius at the peaks 11101 of the curved structure 1110, which is not conducive to manufacturing. Therefore, the number of peaks 11101 is set between 1 and 10 to facilitate the manufacturing of the curved photovoltaic tile 110. For example, the number of peaks 11101 is 4, 6, or 8.

[0072] Another embodiment of the present application provides a lightweight, mechanically sound, easy-to-install, low-cost curved photovoltaic tile 110. This primarily addresses the problem that existing curved photovoltaic tile 110 assemblies, which mostly rely on punching holes or frames in rigid panels for installation, use transparent rigid panels as front panels, making the overall assembly too heavy and unable to meet the requirements for lightweight installation. While simple lightweight curved photovoltaic tiles 110 that use frames for installation can improve the strength of the assembly to a certain extent, they provide minimal protection for the cells in harsh conditions such as hail.

[0073] The lightweight curved photovoltaic tile 110 provided in this embodiment, as shown in Figure 2, consists of a light-transmitting panel 1101, a first adhesive layer 1102, a visible glass fiber cloth layer 1103, a photovoltaic cell layer 1104, a second adhesive layer 1105, an insulating layer 1106, a third adhesive layer 1107, and a metal backplane 1108. Among them, the light-transmitting panel 1101 is also called a photovoltaic front panel, which is composed of transparent polymer materials, commonly used are PET and its composite materials, for example, there is a polymer material layer on the outside of the front panel, and the transparent PET has the properties of being waterproof, weather-resistant and the like.

[0074] The first adhesive layer 1102 is one of ethylene vinyl acetate copolymer (EVA), polyolefin elastomer (POE), polyvinyl butyral (PVB) and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO), such as polyolefin elastomer (POE), and has a thickness of 0.3 mm to 0.7 mm.

[0075] The visible fiberglass cloth layer 1103, also known as the high-transmittance fiberglass cloth layer, is a high-transmittance fiberglass prepreg. This refers to a resin matrix and reinforcement material combination made by fully impregnating glass fibers with a resin matrix under certain conditions and then hot-pressing them. The resin matrix, for example, is epoxy resin, and the glass fibers are continuous glass fiber mesh fabrics, available in satin, plain, or twill weaves, such as satin. The composite material contains 30% glass fiber, ensuring excellent mechanical support. For example, high-transmittance fiberglass cloth with an adhesive film is used.

[0076] Photovoltaic cell layer 1104, for example, a cell with an unobstructed front surface, such as an XBC cell (a new type of high-efficiency cell derived from an IBC cell structure, where the IBC cell is a crystalline silicon photovoltaic cell with full back electrode contact).

[0077] The second adhesive layer 1105 is one of ethylene vinyl acetate copolymer (EVA), polyolefin elastomer (POE), polyvinyl butyral (PVB) and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO), such as polyolefin elastomer (POE), with a thickness of 0.3 mm to 0.7 mm.

[0078] The insulating layer 1106 is made of PET, EPE, fiber composite materials, etc., such as PET material with excellent insulation properties.

[0079] The third adhesive layer 1107 is one of ethylene vinyl acetate copolymer (EVA), polyolefin elastomer (POE), polyvinyl butyral (PVB) and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO), such as polyolefin elastomer (POE), with a thickness of 0.3 mm to 0.7 mm.

[0080] The metal back plate 1108 is also called a shaped metal plate, as shown in Figures 3 and 4, such as a black, anodized aluminum plate with a thickness of 0.5mm-3mm. The shaped metal plate size is greater than 100mm-700mm and comes with mounting holes, with a minimum of 1 hole.

[0081] The curved photovoltaic tile assembly of this embodiment has a curved surface with a radius ranging from 26mm to 100mm and a number of curved surfaces ranging from 1 to 10. The process can be either a one-step or two-step process. The one-step process uses a pre-formed metal sheet to form a curved surface, and then lamination and other processes are performed after the various materials are bonded together. The two-step process uses a pre-formed metal sheet to form a flat surface, and the lamination process is performed first before the assembly is plasticized. Both methods can achieve the desired curved surface effect.

[0082] The lightweight curved photovoltaic tiles provided in this embodiment are light in weight and easy to carry, which can effectively reduce transportation and packaging costs. They have good mechanical properties and can reduce damage to the solar cells caused by severe impacts such as hail, thereby ensuring power generation efficiency and extending the service life of the components. The components themselves are equipped with mounting holes, which are user-friendly and can be installed quickly.

[0083] As shown in FIG6 , an embodiment of the second aspect of the present application provides a roof 11 . The roof 11 provided in this embodiment includes the curved photovoltaic tile 110 according to any embodiment of the first aspect of the present application.

[0084] An embodiment of the third aspect of the present application provides a building 1. As shown in FIG7 , the building 1 provided in this embodiment includes the curved photovoltaic tile 110 of any embodiment of the first aspect of the present application, or as shown in FIG8 , the building 1 includes the roof 11 of the embodiment of the second aspect of the present application.

[0085] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that specific features, structures, materials, or characteristics described in conjunction with an embodiment or example are included in at least one embodiment or example of the present application. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0086] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A curved photovoltaic tile, wherein, Comprising: A light-transmitting panel; A photovoltaic cell layer, located on one side of the light-transmitting panel; An insulating layer, located on the side of the photovoltaic cell layer away from the light-transmitting panel; A metal backplane, disposed on the side of the insulating layer away from the photovoltaic cell layer.

2. The curved photovoltaic tile according to claim 1, wherein An installation structure is provided on the metal backplane, and the installation structure is used to fix the curved photovoltaic tile on the object to be installed.

3. The curved photovoltaic tile according to claim 2, wherein, The metal backplane includes a protruding portion, the protruding portion protrudes from the photovoltaic cell layer, and the installation structure is provided on the protruding portion.

4. The curved photovoltaic tile according to any one of claims 1 to 3, wherein, The curved photovoltaic tile further includes a visible fiberglass cloth layer, and the visible fiberglass cloth layer is located between the light-transmitting panel and the photovoltaic cell layer.

5. The curved photovoltaic tile according to claim 4, wherein In the visible fiberglass cloth layer, the mass percentage of glass fiber in the visible fiberglass cloth layer is greater than or equal to 25% and less than or equal to 35%.

6. The curved photovoltaic tile according to claim 4, wherein, Also comprising: A first adhesive layer, disposed between the visible fiberglass cloth layer and the light-transmitting panel; The material of the first adhesive layer includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

7. The curved photovoltaic tile according to any one of claims 1 to 6, wherein, The light-transmitting panel includes a PET light-transmitting panel or a PET composite light-transmitting panel.

8. The curved photovoltaic tile according to any one of claims 1 to 6, wherein, Also comprising: A second adhesive layer, disposed between the photovoltaic cell layer and the insulating layer; A third adhesive layer, disposed between the metal backplane and the insulating layer.

9. The curved photovoltaic tile according to claim 8, wherein, The material of the insulating layer includes PET, EPE or a composite material of PET and EPE; and / or The material of the second adhesive layer includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide; and / or The material of the third adhesive layer includes at least one of ethylene-vinyl acetate copolymer, polyolefin elastomer, polyvinyl butyral, and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

10. The curved photovoltaic tile according to any one of claims 1 to 6, wherein, The curved photovoltaic tile includes a curved surface structure, The radius of the curved surface structure is greater than or equal to 26 mm and less than or equal to 200 mm, and / or The curved surface structure includes wave peaks, and the number of wave peaks is greater than or equal to 1 and less than or equal to 10.

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