Reflective assembly and photovoltaic device

Abstract

The utility model discloses a reflective assembly and a photovoltaic device. The light reflecting assembly is used for the photovoltaic assembly and comprises a first light reflecting part and a second light reflecting part, a first protrusion is formed on the first light reflecting part and comprises a first light reflecting face and a second light reflecting face connected with the first light reflecting face, and the first light reflecting face is arranged away from the photovoltaic assembly relative to the second light reflecting face. The first reflecting part is provided with a first projection, the second reflecting surface is used for reflecting sunlight to a first surface of the photovoltaic module, the second reflecting part is provided with a second projection, the second projection is used for reflecting sunlight to a second surface, opposite to the first surface, of the photovoltaic module, the first reflecting part and the second reflecting part are arranged at intervals, and the photovoltaic module is arranged between the first reflecting part and the second reflecting part. Therefore, sunlight can be reflected to the first surface and the second surface of the photovoltaic module through the second reflecting surface of the first reflecting part and the second reflecting part, the generating capacity of two surfaces of the photovoltaic module is improved, the utilization rate of solar energy is further improved, and the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to a reflective component and a photovoltaic device. Background Art

[0002] Solar energy is an inexhaustible green energy. At present, photovoltaic power generation has a wide range of applications. In related technologies, due to the low amount of light entering the photovoltaic module, the utilization rate of solar energy by the photovoltaic module is low, and the power generation of the photovoltaic module is low. If the amount of light entering the photovoltaic module can be increased, the power generation of the photovoltaic module can be increased. Utility Model Content

[0003] The utility model provides a reflective component and a photovoltaic device.

[0004] The reflective assembly of the embodiment of the present application is used for a photovoltaic assembly. The reflective assembly includes a first reflector and a second reflector. The first reflector is formed with a first protrusion. The first protrusion includes a first reflective surface and a second reflective surface connected to the first reflective surface. The first reflective surface is arranged away from the photovoltaic assembly relative to the second reflective surface. The second reflective surface is used to reflect sunlight to the first surface of the photovoltaic assembly. The second reflector is formed with a second protrusion. The second protrusion is used to reflect sunlight to the second surface of the photovoltaic assembly opposite to the first surface. The first reflector and the second reflector are arranged at intervals, and the photovoltaic assembly is arranged between the first reflector and the second reflector.

[0005] In this way, the second reflective surface of the first reflector can reflect sunlight to the first surface of the photovoltaic module, and the second reflector can reflect sunlight to the second surface of the photovoltaic module, thereby increasing the power generation of the photovoltaic module on both sides, thereby increasing the utilization rate of solar energy and saving costs. At the same time, the first reflector and the second reflector are arranged at intervals, so that the photovoltaic module can be used in combination with the first reflector and the second reflector, reducing the area of ​​the first reflector and / or the second reflector blocked by the photovoltaic module, so that the first reflector and / or the second reflector can be fully utilized.

[0006] In some embodiments, when the photovoltaic assembly is perpendicular to sunlight, the edge of the second reflector close to the photovoltaic assembly is configured to be flush with the edge of the shadow of the photovoltaic assembly.

[0007] In this way, the photovoltaic assembly can be prevented from blocking the second reflector, so that the second reflector can fully receive sunlight and reflect the sunlight to the second surface of the photovoltaic assembly.

[0008] In some embodiments, the photovoltaic component forms a first angle with the ground, and the first reflecting surface forms a second angle with the ground, and the second angle is related to the first angle, the length of the photovoltaic component and the length of the first reflecting element so that the second reflecting surface of all the first protrusions on the first reflecting element reflects sunlight to the first surface of the photovoltaic component.

[0009] In this way, by setting a specific angle for the second angle, the first reflector only needs to be laid flat on the ground when in use to accurately reflect sunlight to the first surface of the photovoltaic module, which is simple and convenient to operate.

[0010] In some embodiments, the second reflective surface forms a third angle with the ground, and the difference between the first angle and the second angle is positively correlated with the third angle.

[0011] In this way, by setting a specific angle for the third angle, the first reflector only needs to be laid flat on the ground when in use to accurately reflect sunlight to the first surface of the photovoltaic component, which is simple and convenient to operate.

[0012] In some embodiments, the second protrusion includes a third reflecting surface and a fourth reflecting surface connected to the third reflecting surface, the third reflecting surface is arranged away from the photovoltaic component relative to the fourth reflecting surface, and the fourth reflecting surface is used to reflect sunlight to the second surface of the photovoltaic component.

[0013] In this way, the sunlight can be reflected to the second surface of the photovoltaic module through the fourth reflective surface, thereby increasing the power generation of the second surface of the photovoltaic module and further improving the utilization rate of solar energy.

[0014] In some embodiments, the photovoltaic component forms a first angle with the ground, and the third reflecting surface forms a fourth angle with the ground, and the fourth angle is related to the first angle, the length of the photovoltaic component and the length of the second reflector so that the fourth reflecting surface of all the second protrusions on the second reflector reflects sunlight to the second surface of the photovoltaic component.

[0015] In this way, by setting a specific angle for the fourth angle, the second reflector only needs to be laid flat on the ground when in use to accurately reflect sunlight to the second surface of the photovoltaic module, which is simple and convenient to operate.

[0016] In some embodiments, the fourth reflecting surface forms a fifth angle with the ground, and the sum of the first angle and the fourth angle is negatively correlated with the fifth angle.

[0017] In this way, by setting a specific angle for the fifth angle, the second reflector only needs to be laid flat on the ground when in use to accurately reflect sunlight to the second surface of the photovoltaic module, which is simple and convenient to operate.

[0018] In some embodiments, there are multiple first protrusions, which are arranged along the length direction of the first reflector, and there are multiple second protrusions, which are arranged along the length direction of the second reflector.

[0019] In this way, the multiple first protrusions can increase the reflection area of ​​the first reflector, and the multiple second protrusions can increase the reflection area of ​​the second reflector, thereby increasing the power generation of both sides of the photovoltaic module and further improving the utilization rate of solar energy.

[0020] In some embodiments, the first reflector is provided with a first mark, and the first mark is used to indicate the installation direction of the first reflector; and / or, the second reflector is provided with a second mark, and the second mark is used to indicate the installation direction of the second reflector.

[0021] In this way, the first mark and / or the second mark can help users distinguish the first reflective element from the second reflective element, thereby improving user experience.

[0022] The photovoltaic device of the embodiment of the present application includes a reflective component and a photovoltaic component, and the photovoltaic component is arranged between a first reflective member and a second reflective member.

[0023] In this way, sunlight can be reflected to the first side of the photovoltaic module through the first reflector, and sunlight can be reflected to the second side of the photovoltaic module through the second reflector. The photovoltaic device has a simple structure and can increase the power generation of both sides of the photovoltaic module, thereby achieving the purpose of cost saving.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0026] Figure 1 It is a schematic structural diagram of a photovoltaic device according to an embodiment of the utility model;

[0027] Figure 2 It is a schematic structural diagram of a photovoltaic device according to an embodiment of the utility model;

[0028] Figure 3 It is a schematic structural diagram of a photovoltaic assembly and a first reflective member according to an embodiment of the utility model;

[0029] Figure 4 It is a schematic structural diagram of a photovoltaic assembly and a second reflective member according to an embodiment of the utility model;

[0030] Figure 5 yes Figure 3 An enlarged schematic diagram of part I;

[0031] Figure 6 yes Figure 4 An enlarged schematic diagram of part II.

[0032] Explanation of the accompanying drawings: 100, reflective component; 10, first reflective member; 11, first protrusion; 12, first reflective surface; 13, second reflective surface; 20, second reflective member; 21, second protrusion; 22, third reflective surface; 23, fourth reflective surface; 200, photovoltaic component; 210, first surface; 220, second surface; 230, bracket; 300, sunlight; 400, ground; 1000, photovoltaic device. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments 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 only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0035] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0038] See also Figure 1-Figure 4 The reflective assembly 100 of the embodiment of the present application is used for a photovoltaic assembly 200. The reflective assembly 100 includes a first reflector 10 and a second reflector 20. The first reflector 10 is formed with a first protrusion 11. The first protrusion 11 includes a first reflecting surface 12 and a second reflecting surface 13 connected to the first reflecting surface 12. The first reflecting surface 12 is arranged away from the photovoltaic assembly 200 relative to the second reflecting surface 13. The second reflecting surface 13 is used to reflect sunlight 300 to a first surface 210 of the photovoltaic assembly 200. The second reflector 20 is formed with a second protrusion 21. The second protrusion 21 is used to reflect sunlight 300 to a second surface 220 of the photovoltaic assembly 200 opposite to the first surface 210. The first reflector 10 and the second reflector 20 are arranged at intervals, and the photovoltaic assembly 200 is arranged between the first reflector 10 and the second reflector 20.

[0039] In this way, the sunlight 300 can be reflected to the first surface 210 of the photovoltaic module 200 by the second reflective surface 13 of the first reflector 10, and the sunlight 300 can be reflected to the second surface 220 of the photovoltaic module 200 by the second reflector 20, thereby increasing the power generation of the photovoltaic module 200 on both sides, thereby increasing the utilization rate of solar energy and saving costs. At the same time, the first reflector 10 and the second reflector 20 are arranged at intervals, so that the photovoltaic module 200 can be used in combination with the first reflector 10 and the second reflector 20, reducing the area of ​​the first reflector 10 and / or the second reflector 20 blocked by the photovoltaic module 200, so that the first reflector 10 and / or the second reflector 20 can be fully utilized.

[0040] Specifically, the photovoltaic module 200 is also called a solar cell module, and the photovoltaic module 200 is used to convert solar energy into electrical energy. The photovoltaic module 200 can be composed of high-efficiency crystalline silicon solar cells, ultra-white cloth-textured tempered glass, EVA, a transparent TPT backplane, and an aluminum alloy frame. Since the output voltage of a single solar cell is low, and the electrodes of an unpackaged cell are easily detached due to environmental influences, a certain number of single cells need to be sealed into a photovoltaic module 200 in a series or parallel manner to prevent the electrodes and interconnects of the cells from being corroded.

[0041] The reflective assembly 100 may be a combination of two reflective elements, and the reflective effect may be generated by coating a metal film layer on the first reflector 10 and the second reflector 20, and the metal film layer includes but is not limited to an aluminum film, a silver film, a copper film, etc. The metal film layers on the first reflector 10 and the second reflector 20 may be the same or different. The photovoltaic assembly 200 may be used in conjunction with one of the reflective assemblies 100, for example, the photovoltaic assembly 200 may be used in conjunction with the first reflector 10, or the photovoltaic assembly 200 may be used in conjunction with the second reflector 20, and the photovoltaic assembly 200 may also be used in combination with the first reflector 10 and the second reflector 20 at the same time.

[0042] The photovoltaic assembly 200 and the reflective assembly 100 may be placed on the same plane, and the same plane may be the ground 400 or a surface other than the ground 400 on which the photovoltaic assembly 200 may be placed.

[0043] The photovoltaic assembly 200 can be rotated along the edge connected to the first reflector 10 according to the direction of the sunlight 300, so that the first surface 210 of the photovoltaic assembly 200 is perpendicular to the sunlight 300. In one embodiment, the second surface 220 of the photovoltaic assembly 200 is provided with a bracket 230, and the bracket 230 is used to fix the photovoltaic assembly 200 after rotating the photovoltaic assembly 200, and the user can rotate the angle of the photovoltaic assembly 200 according to actual needs.

[0044] The first protrusion 11 can be arranged along the edge of the first reflector 10, and the edge of the photovoltaic module 200 is connected to the edge of the first reflector 10, so that the edge of the photovoltaic module 200 can be connected to the first protrusion 11. The cross-sectional shape of the first protrusion 11 can be a triangle, and the first reflecting surface 12, the second reflecting surface 13 and the ground 400 form three sides of the triangle. When the sunlight 300 irradiates the first protrusion 11, a directional reflection occurs on the first protrusion 11, generating a parallel light beam, so that the light irradiated to the first surface 210 of the photovoltaic module 200 after being reflected is still a parallel light beam.

[0045] In some embodiments, when the photovoltaic assembly 200 is perpendicular to the sunlight 300 , the edge of the second reflector 20 close to the photovoltaic assembly 200 is configured to be flush with the edge of the shadow of the photovoltaic assembly 200 .

[0046] In this way, the photovoltaic assembly 200 can be prevented from blocking the second reflector 20 , so that the second reflector 20 can fully receive the sunlight 300 and reflect the sunlight 300 to the second surface 220 of the photovoltaic assembly 200 .

[0047] Specifically, the second reflector 20 can move according to the angle of the sunlight 300. When the sun moves over time, the angle at which the sunlight 300 shines on the photovoltaic module 200 also changes accordingly. The angle between the photovoltaic module 200 and the ground 400 is adjusted to make the sunlight 300 perpendicular to the photovoltaic module 200, and the shadow of the photovoltaic module 200 becomes larger or smaller. When the shadow of the photovoltaic module 200 becomes larger, the second reflector 20 moves away from the photovoltaic module 200; when the shadow of the photovoltaic module 200 becomes smaller, the second reflector 20 moves closer to the photovoltaic module 200.

[0048] See also Figure 2 and Figure 5 In some embodiments, the photovoltaic component 200 forms a first angle θ with the ground 400, and the first reflecting surface 12 forms a second angle α1 with the ground 400. The second angle α1 is related to the first angle θ, the length L of the photovoltaic component 200 and the length l1 of the first reflector 10 so that the second reflecting surfaces 13 of all the first protrusions 11 on the first reflector 10 reflect the sunlight 300 to the first surface 210 of the photovoltaic component 200.

[0049] Thus, by setting a specific angle for the second angle α1, the first reflector 10 only needs to be laid flat on the ground 400 when in use to accurately reflect the sunlight 300 to the first surface 210 of the photovoltaic module 200, which is simple and convenient to operate.

[0050] Specifically, the relationship between the second angle α1 and the first angle θ, the length L of the photovoltaic assembly 200 and the length l1 of the first reflector 10 is:

[0051] See also Figure 2 and Figure 5 In some embodiments, the second reflecting surface 13 forms a third angle β1 with the ground 400, and the difference between the first angle θ and the second angle α1 is positively correlated with the third angle β1.

[0052] Thus, by setting a specific angle for the third angle β1, the first reflector 10 only needs to be laid flat on the ground 400 when in use to accurately reflect the sunlight 300 to the first surface 210 of the photovoltaic module 200, which is simple and convenient to operate.

[0053] Specifically, the relationship between the difference between the first angle θ and the second angle α1 and the third angle β1 is: Since the sunlight 300 is perpendicular to the photovoltaic assembly 200 , in order to reflect the sunlight 300 to the first surface 210 of the photovoltaic assembly 200 , the angle between the second reflecting surface 13 and the photovoltaic assembly 200 is an obtuse angle.

[0054] See also Figure 4 and Figure 6 In some embodiments, the second protrusion 21 includes a third reflecting surface 22 and a fourth reflecting surface 23 connected to the third reflecting surface 22, the third reflecting surface 22 is arranged away from the photovoltaic component 200 relative to the fourth reflecting surface 23, and the fourth reflecting surface 23 is used to reflect sunlight 300 to the second surface 220 of the photovoltaic component 200.

[0055] In this way, the sunlight 300 can be reflected to the second surface 220 of the photovoltaic module 200 through the fourth reflective surface 23, thereby increasing the power generation of the second surface 220 of the photovoltaic module 200 and further improving the utilization rate of solar energy.

[0056] Specifically, the cross-sectional shape of the second protrusion 21 may be a triangle, and the third reflecting surface 22, the fourth reflecting surface 23 and the ground 400 form three sides of the triangle. When the sunlight 300 irradiates the second protrusion 21, a directional reflection occurs on the second protrusion 21 to generate a parallel light beam, so that the light irradiated to the second surface 220 of the photovoltaic module 200 after being reflected is still a parallel light beam.

[0057] See also Figure 2 and Figure 6 In some embodiments, the photovoltaic component 200 forms a first angle θ with the ground 400, and the third reflecting surface 22 forms a fourth angle β2 with the ground 400. The fourth angle β2 is related to the first angle θ, the length L of the photovoltaic component 200, and the length l2 of the second reflector 20 so that the fourth reflecting surface 23 of all the second protrusions 21 on the second reflector 20 reflects the sunlight 300 to the second surface 220 of the photovoltaic component 200.

[0058] Thus, by setting a specific angle for the fourth angle β2, the second reflector 20 only needs to be laid flat on the ground 400 when in use to accurately reflect the sunlight 300 to the second surface 220 of the photovoltaic module 200, which is simple and convenient to operate.

[0059] Specifically, the relationship between the fourth angle β2, the first angle θ, the length L of the photovoltaic assembly 200, and the length l2 of the second reflector 20 is:

[0060] See also Figure 2 and Figure 6 In some embodiments, the fourth reflecting surface 23 forms a fifth angle α2 with the ground 400, and the sum of the first angle θ and the fourth angle β2 is negatively correlated with the fifth angle α2.

[0061] Thus, by setting a specific angle for the fifth angle α2, the second reflector 20 only needs to be laid flat on the ground 400 when in use to accurately reflect the sunlight 300 to the second surface 220 of the photovoltaic module 200, which is simple and convenient to operate.

[0062] Specifically, the relationship between the sum of the first angle θ and the fourth angle β2 and the fifth angle α2 is: Since the sunlight 300 is perpendicular to the photovoltaic module 200 , in order to reflect the sunlight 300 to the second surface 220 of the photovoltaic module 200 , the fifth angle α2 formed by the fourth reflecting surface 23 and the ground 400 is greater than the first angle θ formed by the photovoltaic module 200 and the ground 400 .

[0063] See also Figure 2 In some embodiments, there are multiple first protrusions 11, and the multiple first protrusions 11 are arranged along the length l1 direction of the first reflector 10; there are multiple second protrusions 21, and the multiple second protrusions 21 are arranged along the length l2 direction of the second reflector 20.

[0064] In this way, the multiple first protrusions 11 can increase the reflection area of ​​the first reflector 10, and the multiple second protrusions 21 can increase the reflection area of ​​the second reflector 20, thereby increasing the power generation of both sides of the photovoltaic module 200 and further improving the utilization rate of solar energy.

[0065] Specifically, the size of the first protrusions 11 can be reduced to increase the number of the first protrusions 11, the edge of the first reflecting surface 12 of the first protrusion 11 can be connected to the edge of the second reflecting surface 13 of the adjacent first protrusion 11, and the edge of the second reflecting surface 13 can be connected to the edge of the first reflecting surface 12 of another adjacent first protrusion 11.

[0066] The size of the second protrusions 21 can be reduced to increase the number of second protrusions 21, the edge of the third reflecting surface 22 of a second protrusion 21 can be connected to the edge of the fourth reflecting surface 23 of an adjacent second protrusion 21, and the edge of the fourth reflecting surface 23 can be connected to the edge of the third reflecting surface 22 of another adjacent second protrusion 21.

[0067] In some embodiments, the first reflector 10 is provided with a first mark, and the first mark is used to indicate the installation direction of the first reflector 10; and / or, the second reflector 20 is provided with a second mark, and the second mark is used to indicate the installation direction of the second reflector 20.

[0068] In this way, the first mark and / or the second mark can help users distinguish the first reflective element 10 from the second reflective element 20, thereby improving user experience.

[0069] Specifically, the first reflector 10 may be provided with the first mark, the second reflector 20 may be provided with the second mark, or the first reflector 10 may be provided with the first mark and the second reflector 20 may be provided with the second mark. The first mark and the second mark include but are not limited to text, graphics, symbols, etc.

[0070] The photovoltaic device 1000 according to the embodiment of the present application includes a reflective assembly 100 and a photovoltaic assembly 200 . The photovoltaic assembly 200 is disposed between a first reflective member 10 and a second reflective member 20 .

[0071] In this way, the sunlight 300 can be reflected to the first surface 210 of the photovoltaic component 200 through the first reflector 10, and the sunlight 300 can be reflected to the second surface 220 of the photovoltaic component 200 through the second reflector 20. The photovoltaic device 1000 has a simple structure and can increase the power generation of both sides of the photovoltaic component 200, thereby achieving the purpose of cost saving.

[0072] Specifically, the photovoltaic device 1000 may include a plurality of reflective assemblies 100 and a plurality of photovoltaic assemblies 200, and the plurality of reflective assemblies 100 and the plurality of photovoltaic assemblies 200 are spliced ​​to form the photovoltaic device 1000. Application scenarios of the photovoltaic device 1000 include but are not limited to photovoltaic power stations, photovoltaic buildings, photovoltaic roads, photovoltaic cars, photovoltaic agriculture, photovoltaic fisheries, etc. The photovoltaic device 1000 can be installed on the exterior wall of a building to form a photovoltaic curtain wall to protect the building. The photovoltaic device 1000 can also be installed on the lighting roof on the top of the building.

[0073] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0074] Although the embodiments of the present invention 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 spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A reflective assembly for a photovoltaic assembly, characterized in that: The reflective component comprises: A first reflector, wherein the first reflector is formed with a first protrusion, the first protrusion includes a first reflective surface and a second reflective surface connected to the first reflective surface, the first reflective surface is arranged away from the photovoltaic component relative to the second reflective surface, and the second reflective surface is used to reflect sunlight to the first surface of the photovoltaic component; A second reflector, wherein the second reflector is formed with a second protrusion, and the second protrusion is used to reflect sunlight to a second surface of the photovoltaic module opposite to the first surface; The first reflector and the second reflector are arranged at intervals, and the photovoltaic assembly is arranged between the first reflector and the second reflector.

2. The reflective assembly according to claim 1, characterized in that: When the photovoltaic component is perpendicular to the sunlight, the edge of the second reflector close to the photovoltaic component is configured to be flush with the edge of the shadow of the photovoltaic component.

3. The reflective assembly according to claim 2, characterized in that: The photovoltaic component forms a first angle with the ground, and the first reflecting surface forms a second angle with the ground, and the second angle is related to the first angle, the length of the photovoltaic component and the length of the first reflecting element so that the second reflecting surface of all the first protrusions on the first reflecting element reflects sunlight to the first surface of the photovoltaic component.

4. The reflective assembly according to claim 3, characterized in that: The second reflective surface forms a third angle with the ground, and the difference between the first angle and the second angle is positively correlated with the third angle.

5. The reflective assembly according to claim 1, characterized in that: The second protrusion includes a third reflecting surface and a fourth reflecting surface connected to the third reflecting surface, the third reflecting surface is arranged away from the photovoltaic component relative to the fourth reflecting surface, and the fourth reflecting surface is used to reflect sunlight to the second surface of the photovoltaic component.

6. The reflective assembly according to claim 5, characterized in that: The photovoltaic component forms a first angle with the ground, the third reflecting surface forms a fourth angle with the ground, and the fourth angle is related to the first angle, the length of the photovoltaic component and the length of the second reflecting element so that the fourth reflecting surface of all the second protrusions on the second reflecting element reflects sunlight to the second surface of the photovoltaic component.

7. The reflective assembly according to claim 6, characterized in that: The fourth reflecting surface forms a fifth angle with the ground, and the sum of the first angle and the fourth angle is negatively correlated with the fifth angle.

8. The reflective assembly according to claim 1, characterized in that: There are multiple first protrusions, and the multiple first protrusions are arranged along the length direction of the first reflector; there are multiple second protrusions, and the multiple second protrusions are arranged along the length direction of the second reflector.

9. The reflective assembly according to claim 1, characterized in that: The first reflector is provided with a first mark, and the first mark is used to indicate the installation direction of the first reflector; and / or the second reflector is provided with a second mark, and the second mark is used to indicate the installation direction of the second reflector.

10. A photovoltaic device, characterized in that: include: The reflective assembly according to any one of claims 1 to 9; and A photovoltaic component is arranged between the first reflector and the second reflector.

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