Photovoltaic module and photovoltaic power generation system

Abstract

Provided in the present application are a photovoltaic module and a photovoltaic power generation system. The photovoltaic module comprises a tile body, a mounting member, and an anti-reflection layer, wherein the mounting member is connected to the tile body and is used for mounting the tile body onto a mounting portion. The anti-reflection layer is arranged on the surface of the tile body and the mounting member, and the surface roughness of the anti-reflection layer is greater than the surface roughness of the tile body and the mounting member. By arranging the anti-reflection layer on the surface of the tile body and the mounting member, light pollution caused by the photovoltaic module can be reduced, thereby reducing the impact of light pollution on people's lives.

Description

Photovoltaic modules and photovoltaic power generation systems

[0001] This application claims priority to Chinese patent application filed on January 23, 2025, with application number 202520165762.0 and entitled "Photovoltaic Modules and Photovoltaic Power Generation System", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of photovoltaic module technology, and more specifically, to a photovoltaic module and a photovoltaic power generation system. Background Technology

[0003] In the photovoltaic industry, when sunlight shines on the surface of a photovoltaic system, the sunlight is reflected on the material surface, creating light pollution. With the popularization of distributed photovoltaics, light pollution will become more and more serious.

[0004] Against this backdrop, there is an urgent need to develop and popularize photovoltaic systems that can reduce light reflection in order to reduce the impact of light pollution on people's lives.

[0005] Application content

[0006] This application aims to solve one of the technical problems existing in the prior art or related technologies.

[0007] In view of this, in a first aspect, this application proposes a photovoltaic module, comprising: a tile body; a mounting member connected to the tile body, the mounting member being used to mount the tile body onto a part to be mounted; and an anti-reflection layer disposed on the surfaces of the tile body and the mounting member, the surface roughness of the anti-reflection layer being greater than the surface roughness of the tile body and the mounting member.

[0008] In photovoltaic products, the surfaces of the tile body and the mounting components are usually smooth. When light shines on the material surface of the tile body and the mounting components, the light will be strongly reflected. If the roughness of the material surface is increased, when light shines on the material surface, most of the light will be diffused. When the human eye looks at the photovoltaic module, only a small part of the light will enter the human eye, which will greatly reduce the glare effect perceived by the eyes.

[0009] In this application, an anti-reflection layer is provided on the surface of the tile body and the mounting component. The surface roughness of the anti-reflection layer is greater than that of both the tile body and the mounting component, thereby reducing the reflection of light by the photovoltaic module. Therefore, by providing an anti-reflection layer on the surface of the tile body and the mounting component, light pollution from the photovoltaic module can be reduced, thus minimizing the impact of light pollution on people's lives.

[0010] In photovoltaic modules, not only the tile body but also the mounting components reflect light. This application fully considers the components of photovoltaic modules that can generate light pollution and sets anti-reflection layers on both the tile body and the mounting components, thereby effectively reducing the light pollution of photovoltaic modules and making the photovoltaic modules in this application more environmentally friendly.

[0011] Additional aspects and advantages of this application will become apparent in the following description or may be learned by practice of this application. Attached Figure Description

[0012] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0013] Figure 1 shows a schematic diagram of the structure of the photovoltaic module in an embodiment of this application;

[0014] Figure 2 shows a schematic diagram of the structure of the tile body and the anti-reflection layer in an embodiment of this application;

[0015] Figure 3 shows a schematic diagram of the structure of the power generation tile in an embodiment of this application;

[0016] Figure 4 shows a schematic diagram of the structure of the matte layer in an embodiment of this application;

[0017] Figure 5 shows a schematic diagram of the structure of the tile body and the matte layer in an embodiment of this application;

[0018] Figure 6 shows a schematic diagram of diffuse reflection of light on the matte layer in an embodiment of this application;

[0019] Figure 7 shows a schematic diagram of the structure of the photovoltaic module in an embodiment of this application;

[0020] Figure 8 shows a schematic diagram of the structure of the glass tile and the anti-reflection layer in an embodiment of this application;

[0021] Figure 9 shows a schematic diagram of the structure of the non-glass tile and the frosted layer in an embodiment of this application.

[0022] Figure reference numerals: 100 Photovoltaic module, 110 watt body, 111 power generating watt, 112 non-power generating watt, 113 glass watt, 114 non-glass watt, 115 light-receiving surface, 116 panel glass, 117 solar cell, 120 mounting component, 121 frame, 122 mounting structure component, 130 anti-reflective layer, 131 frosted layer, 132 matte layer. Detailed Implementation

[0023] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0025] The photovoltaic modules and photovoltaic power generation systems provided according to some embodiments of this application are described below with reference to Figures 1 to 9.

[0026] Referring to Figures 1 and 2, in some embodiments of this application, a photovoltaic module 100 is proposed, including: a tile body 110, a mounting member 120, and an anti-reflection layer 130. The mounting member 120 is connected to the tile body 110 and is used to mount the tile body 110 onto the mounting portion. The anti-reflection layer 130 is disposed on the surfaces of the tile body 110 and the mounting member 120, and the surface roughness of the anti-reflection layer 130 is greater than the surface roughness of the tile body 110 and the mounting member 120.

[0027] The mounting component 120 is connected to the tile body 110. The mounting component 120 is used to install on the part to be installed, thereby fixing the tile body 110 on the part to be installed. For example, the part to be installed can be the roof of a house, or the part to be installed can be a beam structure on the roof.

[0028] In photovoltaic products, the surfaces of the tile body 110 and the mounting component 120 are usually smooth. When light shines on the material surface of the tile body 110 and the mounting component 120, the light will be strongly reflected. If the roughness of the material surface is increased, when light shines on the material surface, most of the light will be diffusely reflected. When the human eye looks at the photovoltaic module 100, only a small part of the light will enter the human eye, which will greatly reduce the glare effect perceived by the eyes.

[0029] In this application, an anti-reflection layer 130 is provided on the surfaces of the tile body 110 and the mounting component 120. The surface roughness of the anti-reflection layer is greater than that of both the tile body 110 and the mounting component 120, thereby reducing the reflection of light by the photovoltaic module 100. Therefore, by providing the anti-reflection layer 130 on the surfaces of the tile body 110 and the mounting component 120, the light pollution from the photovoltaic module 100 can be reduced, thus minimizing the impact of light pollution on people's lives.

[0030] In the photovoltaic module 100, not only the tile body 110 reflects light, but the mounting component 120 also reflects light. This application fully considers the components of the photovoltaic module 100 that can generate light pollution, and provides an anti-reflection layer 130 on both the tile body 110 and the mounting component 120, thereby effectively reducing the light pollution of the photovoltaic module 100 and making the photovoltaic module 100 in this application more environmentally friendly.

[0031] For example, the part to be installed can be a structure on the roof, such as bricks, tiles, beams, etc., or the part to be installed can be a support frame in the photovoltaic module 100, which is fixed to the roof.

[0032] In some embodiments, the surface roughness of the antireflection layer 130 is Ra, where Ra satisfies the following range: 8 μm ≤ Ra ≤ 30 μm.

[0033] If the surface roughness of the antireflection layer 130 is too small, its effect on reducing light reflection will be poor. If the surface roughness of the antireflection layer 130 is too large, it will increase the processing difficulty of the antireflection film. Moreover, when the surface roughness of the antireflection film is too large, it will also affect the light transmittance. For the tile body 110 with the internal solar cell 117, the antireflection film will greatly affect the light energy absorption effect of the solar cell 117.

[0034] In this application, the roughness of the antireflective coating is specified to be between 8 μm and 30 μm. Within this range, the antireflective coating can achieve a high antireflection effect on light without excessively increasing the processing difficulty of the antireflective coating, thus improving the processing convenience of the antireflective coating. For the tile body 110 with the internally arranged solar cell 117, the antireflective coating does not easily affect the light energy absorption effect of the solar cell 117.

[0035] For example, Ra can be 8 μm, 10 μm or 30 μm.

[0036] In some embodiments, the antireflective layer 130 may be sprayed onto the tile body 110 and the mounting component 120; or the antireflective layer 130 may be adhered to the tile body 110 and the mounting component 120; or the antireflective layer 130 may be integrally formed on the tile body 110 and the mounting component 120.

[0037] The anti-reflection layer 130 can be applied to the tile body 110 and the mounting component 120 by spraying. This method does not require any modification to the surface structure of the tile body 110 and the mounting component 120, making it convenient to form the anti-reflection layer 130 on the tile body 110 and the mounting component 120.

[0038] Alternatively, an anti-reflective film structure can be adhered to the tile body 110 and the mounting component 120, which also facilitates the formation of the anti-reflective layer 130 on the tile body 110 and the mounting component 120.

[0039] Alternatively, the surfaces of the tile body 110 and the mounting component 120 can be processed to form an anti-reflection layer 130 on the surface of the tile body 110 and the mounting component 120. In this way, the anti-reflection layer 130 is part of the structure of the tile body 110 and the mounting component 120 itself, and the anti-reflection layer 130 is not easily detached from the tile body 110 and the mounting component 120.

[0040] Referring to Figures 4, 5, 6 and 9, in some embodiments, the antireflective layer 130 may optionally include a frosted layer 131 and / or a matte layer 132.

[0041] The antireflection layer 130 can be a frosted layer 131. The surface of the frosted layer 131 is rough, which can cause diffuse reflection of light. Similarly, the matte layer 132 can also cause diffuse reflection of light.

[0042] A frosted layer 131 can be applied to both the tile body 110 and the mounting component 120. The frosting process creates a porous structure on the material surface, resulting in an uneven surface. When light shines on the material surface, most of the light is diffusely reflected; or

[0043] A matte layer 132 is provided on both the tile body 110 and the mounting component 120; or

[0044] One of the tile body 110 and the mounting component 120 is provided with a frosted layer 131, and the other is provided with a matte layer 132.

[0045] In some embodiments, the antireflective layer 130 may optionally include a frosted layer 131, wherein the particle size of the frosted particles in the frosted layer 131 is L, and L satisfies the following condition: 100 mesh ≤ L ≤ 200 mesh.

[0046] When a frosted layer 131 is provided on the surface of the tile body 110 and the mounting component 120, it is necessary to select frosted particles between 100 mesh and 200 mesh. Within this range, the diffuse reflection effect of the frosted layer 131 on light can be effectively improved, reducing the light pollution generated by the photovoltaic module 100.

[0047] For example, L is 100 mesh, 150 mesh, or 200 mesh.

[0048] As shown in Figures 3 and 7, in some embodiments, the tile body 110 may optionally include at least one of the following: a power-generating tile 111 and a non-power-generating tile 112.

[0049] In a photovoltaic module 100, there are usually multiple tile bodies 110. Some of the tile bodies 110 can be power-generating tiles 111, which are used to absorb light energy and thus realize the function of converting light energy into electrical energy. Other tile bodies 110 can be non-power-generating tiles 112, which can be used in conjunction with power-generating tiles 111 to cover the building together.

[0050] For example, as shown in Figure 3, the power-generating tile 111 may include a panel glass 116 and a battery cell 117, with the battery cell 117 disposed within the panel glass 116. An anti-reflective layer 130 is disposed on the panel glass 116. The non-power-generating tile 112 may be the panel glass 116, without the battery cell 117 disposed within it.

[0051] Referring to Figures 7, 8, and 9, in some embodiments, the tile body 110 optionally includes a non-power-generating tile 112; the non-power-generating tile 112 includes: a glass tile 113 and a non-glass tile 114, the non-glass tile 114 being cut into a predetermined shape.

[0052] A portion of the tile body 110 can be a non-power-generating tile 112. Among the non-power-generating tiles 112, there are glass tiles 113 and non-glass tiles 114. The shape of the glass tile 113 is similar to that of the power-generating tile 111, which helps to improve the uniformity of the photovoltaic module 100.

[0053] The non-glass tile 114 used for roof installation accessories is made of metal or other rigid polymer materials, with a frosted or matte finish. The appearance of the non-glass tile 114 can be consistent with the main color of the power generation tile 111 and the glass tile 113. The material of the non-glass tile 114 can be cut to adapt to different house structures.

[0054] In one possible application, the power generation tile 111 and the glass tile 113 can be curved, and the structure can be a single-glass structure or a double-glass structure.

[0055] Non-glass roofing tiles 114 can be transition tiles, ridge tiles, edge ridge tiles, drip tiles, baffles, etc. Many types of tiles in non-glass roofing tiles 114 are made of metal or other polymer materials.

[0056] Photovoltaic modules can be composed of accessories such as power generating tiles, non-power generating tiles, transition tiles (metal tiles), ridge tiles, side ridge tiles, drip tiles, and baffles.

[0057] The power generation tiles and glass tiles are single- or double-glazed structures. The surface of the front cover glass is treated with a frosted finish, which can be achieved through material processing or chemical methods. After special processing, the surface roughness of the glass ranges from 8µm to 30µm. Material frosting is preferred, using 100-200 mesh abrasive particles (silica, corundum, etc.) to sandblast the glass surface. The frame 121 and mounting structure 122 used in the tile body 110 are made of aluminum alloy or other rigid materials. The metal surfaces use the same frosting process as the tile body 110, with a surface roughness range of 8µm to 30µm. The color of the frame 121 and mounting structure 122 is consistent with the main appearance and color of the tile body 110.

[0058] Referring to Figures 1 and 9, in some embodiments, optionally, the tile body 110 is provided with a light-receiving surface 115, and the light-receiving surface 115 is provided with an anti-reflection layer 130.

[0059] One surface of the tile body 110, oriented towards the light, serves as a light-receiving surface 115. Light can strike the light-receiving surface 115, and an anti-reflection layer 130 can be applied to it to reduce light reflection. Since other surfaces of the tile body 110 are less susceptible to direct light exposure, the anti-reflection layer 130 can be applied only to the light-receiving surface 115, thereby reducing the processing difficulty of the tile body 110.

[0060] As shown in Figure 1, in some embodiments, the mounting component 120 may optionally include: a frame 121 and a mounting structure 122. The frame 121 is disposed at the edge of the tile body 110, and the mounting structure 122 is connected to the frame 121. The mounting structure 122 is used to connect to the part to be installed. The anti-reflective layer 130 is disposed on the surface of the tile body 110, the frame 121 and the mounting structure 122.

[0061] A frame 121 is provided along the edge of the tile body 110. The frame 121 supports and protects the edge of the tile body 110, reducing the damage rate of the tile body 110. A mounting structure 122 is provided on the frame 121. The mounting structure 122 can be locked onto the part to be installed, thereby fixing the frame 121 and the tile body 110.

[0062] In the embodiments of this application, a photovoltaic power generation system is proposed, which includes photovoltaic modules as described in any of the above embodiments and can achieve the same technical effects, and will not be described again here.

[0063] For example, a photovoltaic power generation system also includes a lightning protection system, such as a lightning arrester or similar structure.

[0064] In this application, the term "multiple" refers to two or more unless otherwise expressly defined. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0065] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the 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 one or more embodiments or examples.

[0066] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A photovoltaic module, characterized in that, include: The tile itself; The mounting component is connected to the tile body and is used to install the tile body onto the part to be installed. An anti-reflective layer is disposed on the surface of the tile body and the mounting component, and the surface roughness of the anti-reflective layer is greater than that of the surface roughness of the tile body and the mounting component.

2. The photovoltaic module according to claim 1, characterized in that, The surface roughness of the antireflection layer is Ra, and Ra satisfies the following range: 8μm≤Ra≤30μm.

3. The photovoltaic module according to claim 1, characterized in that, The anti-reflective layer is sprayed onto the tile body and the mounting component.

4. The photovoltaic module according to claim 1, characterized in that, The anti-reflective layer is attached to the tile body and the mounting component.

5. The photovoltaic module according to claim 1, characterized in that, The antireflective layer is integrally formed on the tile body and the mounting component.

6. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The anti-reflective layer is a frosted layer, and the frosted layer is provided on both the tile body and the mounting component.

7. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The antireflective layer is a matte layer, and the matte layer is provided on both the tile body and the mounting component.

8. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The antireflective layer includes a frosted layer and a matte layer. The frosted layer is provided on one of the tile body and the mounting component, and the matte layer is provided on the other.

9. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The antireflective layer includes a frosted layer, wherein the particle size of the frosted particles in the frosted layer is L, and L satisfies the following condition: 100 mesh ≤ L ≤ 200 mesh.

10. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The tile body includes at least one of the following: Power-generating tiles and non-power-generating tiles.

11. The photovoltaic module according to claim 10, characterized in that, The power generation tile includes a glass panel and a battery cell, the battery cell being disposed inside the glass panel, and the anti-reflective layer being disposed on the glass panel; The non-power-generating tile is a panel glass.

12. The photovoltaic module according to claim 10, characterized in that, The power generation tile has a curved surface structure.

13. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The tile body includes non-power-generating tiles; The non-power-generating tiles include: glass tiles and non-glass tiles, wherein the non-glass tiles are used to be cut into a set shape.

14. The photovoltaic module according to claim 13, characterized in that, The glass tile has a curved structure.

15. The photovoltaic module according to claim 13, characterized in that, The non-glass tile is one of the following: transition tile, ridge tile, side ridge tile, drip tile, and baffle.

16. The photovoltaic module according to claim 13, characterized in that, The non-glass tile is made of a metal material with a matte or frosted surface.

17. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The tile body is provided with a light-receiving surface, and the anti-reflection layer is provided on the light-receiving surface.

18. The photovoltaic module according to any one of claims 1 to 5, characterized in that, The mounting component includes: A border is provided at the edge of the tile body; The mounting structure is connected to the frame and is used to connect to the part to be installed. The anti-reflective layer is disposed on the surface of the tile body, the frame and the mounting structure.

19. A photovoltaic power generation system, characterized in that, include: The photovoltaic module as described in any one of claims 1 to 18.

20. The photovoltaic power generation system according to claim 19, characterized in that, The photovoltaic power generation system also includes a lightning protection system.

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