Photovoltaic unit and photovoltaic assembly having the same

Abstract

The utility model provides a photovoltaic unit and a photovoltaic module group having the same. The photovoltaic unit comprises: a photovoltaic module; a protective structure, which is arranged on the frame of the photovoltaic module and located on at least one side of the photovoltaic module, the protective structure comprises a first protective layer, a second protective layer and a third protective layer arranged along the thickness direction thereof, the first protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape, the second protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape, and the third protective layer is made of acrylic adhesive or silicone; wherein, there are multiple protective structures, and the multiple protective structures are arranged at intervals along the length direction and / or width direction of the frame. The utility model effectively solves the problem in the prior art that the coating on the frame of the photovoltaic module is easily worn out during long-term transportation, thereby affecting the service life of the frame.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic components, and in particular to a photovoltaic unit and a photovoltaic component group having the same. Background Art

[0002] At present, driven by the dual carbon goals of "carbon peak and carbon neutrality", the development of domestic renewable energy has ushered in a new round of development opportunities, among which the photovoltaic industry is developing in full swing. As the frame of photovoltaic glass components, aluminum profiles mainly play two roles: mechanical protection and insulation protection. With the surge in new photovoltaic installations this year, the use of aluminum frames has also increased significantly. However, the production process of aluminum profiles is currently high in power consumption, water consumption, and pollution. Energy conservation and emission reduction have become an urgent problem that aluminum processing companies need to solve today.

[0003] In the prior art, in order to achieve the demand of cost reduction and efficiency improvement, the choice of frame materials is becoming more and more diverse, and composite frames, steel frames, etc. have appeared in everyone's field of vision. Specifically, when it is necessary to pack the photovoltaic unit, it is usually packaged and protected by wrapping paper on the four corners of the photovoltaic unit.

[0004] However, with regard to the above-mentioned packaging method of photovoltaic modules, during long-term transportation, there is a phenomenon in which friction occurs between two adjacent photovoltaic modules, resulting in wear and loss of the surface coating of the frame, which affects the long-term weather resistance of the frame and also has a certain impact on the appearance. Utility Model Content

[0005] The main purpose of the utility model is to provide a photovoltaic unit and a photovoltaic module group having the same, so as to solve the problem in the prior art that the coating on the frame of the photovoltaic module is easily worn out during long-term transportation, thereby affecting the service life of the frame.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a photovoltaic unit is provided, comprising: a photovoltaic module; a protective structure, which is arranged on the frame of the photovoltaic module and is located on at least one side of the photovoltaic module, the protective structure comprising a first protective layer, a second protective layer and a third protective layer arranged along its thickness direction, the first protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape, the second protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape, and the third protective layer is made of acrylic adhesive or silicone; wherein, there are multiple protective structures, and the multiple protective structures are arranged at intervals along the length direction and / or width direction of the frame.

[0007] Furthermore, each protective structure is bonded to the frame.

[0008] Furthermore, the protective structure is in the shape of a sheet or a plate.

[0009] Furthermore, the length of the protective structure is greater than or equal to 5 mm; and / or the width of the protective structure is greater than or equal to 5 mm; and / or the thickness of the protective structure is greater than or equal to 0.1 mm and less than or equal to 1.5 mm.

[0010] Further, the frame includes a first side, a second side, a third side and a fourth side connected in sequence, the first side and the third side are arranged opposite to each other and parallel to each other, the second side and the fourth side are arranged opposite to each other and parallel to each other, the second side and the fourth side are located between the first side and the third side, and the first side and the second side are arranged at an angle; wherein, along the extension direction of the first side, at least one protective structure is located in the middle of the first side; and / or, along the extension direction of the second side, at least one protective structure is located in the middle of the second side; and / or, along the extension direction of the third side, at least one protective structure is located in the middle of the third side; and / or, along the extension direction of the fourth side, at least one protective structure is located in the middle of the fourth side.

[0011] Further, at least one protective structure is arranged near the connection between the first side and the second side; and / or, at least one protective structure is arranged near the connection between the second side and the third side; and / or, at least one protective structure is arranged near the connection between the third side and the fourth side; and / or, at least one protective structure is arranged near the connection between the first side and the fourth side.

[0012] Furthermore, an accommodation space is formed between two adjacent protective structures, and the accommodation space is used to accommodate a packing structure, and the packing structure is a packing rope or a binding belt.

[0013] According to another aspect of the utility model, a photovoltaic component group is provided, comprising a plurality of photovoltaic units, wherein the plurality of photovoltaic units are spaced apart along at least one direction of the length direction, the height direction and the width direction of the photovoltaic component group; wherein the photovoltaic unit is the above-mentioned photovoltaic unit.

[0014] Furthermore, the photovoltaic component group further includes: a packaging structure for binding at least part of the photovoltaic units; wherein there are multiple packaging structures, and the multiple packaging structures are arranged at intervals along the width direction and / or height direction of the photovoltaic component group.

[0015] Furthermore, the photovoltaic component group further includes: a base, and at least part of the photovoltaic units are arranged on the base.

[0016] Using the technical solution of the utility model, the photovoltaic unit includes a photovoltaic module and a protective structure. The protective structure is arranged on the frame of the photovoltaic module and is located on at least one side of the photovoltaic module. The protective structure includes a first protective layer, a second protective layer and a third protective layer arranged along the thickness direction thereof. The first protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape. The second protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape. The third protective layer is made of acrylic adhesive or silicone. In this way, when it is necessary to package each photovoltaic module, multiple protective structures are arranged on the frame of the photovoltaic module, and multiple protective structures are arranged at intervals along the length direction and / or width direction of the frame, thereby protecting the frame and forming a photovoltaic unit. During the transportation of multiple photovoltaic units, multiple protective structures are arranged between the frames of two adjacent photovoltaic units. Since the protective structure includes three protective layers and can space the two adjacent frames, it can avoid friction between the frames of two adjacent photovoltaic units to cause wear and loss of the coating, thereby solving the problem in the prior art that the coating on the frame of the photovoltaic module is easily worn and lost during long-term transportation, thereby affecting the service life of the frame, and extending the service life of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A front view of an embodiment of a photovoltaic unit according to the present utility model is shown;

[0019] Figure 2 Shows Figure 1 A side view of a protective structure for a photovoltaic unit in FIG.

[0020] Figure 3 A front view of an embodiment of a photovoltaic assembly group according to the utility model is shown;

[0021] Figure 4 Shows Figure 3 Side view of a photovoltaic panel group in.

[0022] The above drawings include the following reference numerals:

[0023] 10. Photovoltaic module; 11. Frame; 111. First side; 112. Second side; 113. Third side; 114. Fourth side;

[0024] 20. Protective structure; 21. First protective layer; 22. Second protective layer; 23. Third protective layer;

[0025] 30. Accommodation space;

[0026] 40. Packing structure;

[0027] 50. Photovoltaic unit;

[0028] 60. Base. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0031] In the present invention, unless otherwise specified, directional words such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above directional words are not used to limit the present invention.

[0032] In order to solve the problem in the prior art that the coating on the frame of photovoltaic modules is easily worn out during long-term transportation, thereby affecting the service life of the frame, the present application provides a photovoltaic unit and a photovoltaic module group having the same.

[0033] like Figure 1 and Figure 2 As shown, the photovoltaic unit includes a photovoltaic module 10 and a protective structure 20. The protective structure 20 is arranged on the frame 11 of the photovoltaic module 10 and is located on at least one side of the photovoltaic module 10. The protective structure 20 includes a first protective layer 21, a second protective layer 22 and a third protective layer 23 arranged along the thickness direction thereof. The first protective layer 21 is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape, the second protective layer 22 is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape, and the third protective layer 23 is made of acrylic adhesive or silicone. There are multiple protective structures 20, and the multiple protective structures 20 are arranged at intervals along the length direction and / or width direction of the frame 11.

[0034] By applying the technical solution of this embodiment, when each photovoltaic module 10 needs to be packaged, multiple protective structures 20 are set on the frame 11 of the photovoltaic module 10, and the multiple protective structures 20 are arranged at intervals along the length direction and / or width direction of the frame 11, thereby protecting the frame 11 and forming a photovoltaic unit. In the process of transporting multiple photovoltaic units, multiple protective structures 20 are arranged between the frames 11 of two adjacent photovoltaic units. Since the protective structure 20 includes three protective layers and can space two adjacent frames 11, it can avoid friction between the frames 11 of two adjacent photovoltaic units to cause coating wear and loss, thereby solving the problem in the prior art that the coating on the frame of the photovoltaic module is easily worn and lost during long-term transportation, which affects the service life of the frame, and prolongs the service life of the frame.

[0035] In this embodiment, the first protective layer 21 is made of polyester resin, the second protective layer 22 is made of polyester resin, and the third protective layer 23 is made of acrylic adhesive.

[0036] It should be noted that the material selection of the first protective layer 21 is not limited thereto, and can be adjusted according to working conditions and usage requirements. Optionally, the first protective layer 21 is made of foam, rubber, silicone, masking paper, or cloth-based tape.

[0037] It should be noted that the number of layers forming the first protective layer 21 and the material are not limited to this, and can be adjusted according to working conditions and usage requirements.

[0038] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a polyester resin layer and a foam layer.

[0039] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a polyester resin layer and a rubber layer.

[0040] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a polyester resin layer and a silicone layer.

[0041] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a polyester resin layer and a masking paper layer.

[0042] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a polyester resin layer and a cloth-based tape.

[0043] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a foam layer and a rubber layer.

[0044] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a foam layer and a silicone layer.

[0045] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a foam layer and a masking paper layer.

[0046] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a foam layer and a cloth-based tape.

[0047] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a rubber layer and a silicone layer.

[0048] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a rubber layer and a masking paper layer.

[0049] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a rubber layer and a cloth-based tape.

[0050] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a silicone layer and a masking paper layer.

[0051] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a silicone layer and a cloth-based tape.

[0052] In other embodiments not shown in the drawings, the first protective layer is formed by stacking a masking paper layer and a cloth-based tape.

[0053] It should be noted that the material selection of the second protective layer 22 is not limited thereto, and can be adjusted according to working conditions and usage requirements. Optionally, the second protective layer 22 is made of foam, rubber, silicone, masking paper, or cloth-based tape.

[0054] It should be noted that the number of layers and the material forming the second protective layer 22 are not limited to this, and can be adjusted according to working conditions and usage requirements.

[0055] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a polyester resin layer and a foam layer.

[0056] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a polyester resin layer and a rubber layer.

[0057] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a polyester resin layer and a silicone layer.

[0058] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a polyester resin layer and a masking paper layer.

[0059] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a polyester resin layer and a cloth-based tape.

[0060] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a foam layer and a rubber layer.

[0061] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a foam layer and a silicone layer.

[0062] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a foam layer and a masking paper layer.

[0063] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a foam layer and a cloth-based tape.

[0064] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a rubber layer and a silicone layer.

[0065] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a rubber layer and a masking paper layer.

[0066] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a rubber layer and a cloth-based tape.

[0067] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a silicone layer and a masking paper layer.

[0068] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a silicone layer and a cloth-based tape.

[0069] In other embodiments not shown in the drawings, the second protective layer is formed by stacking a masking paper layer and a cloth-based tape.

[0070] It should be noted that the material selection of the third protective layer 23 is not limited thereto, and can be adjusted according to working conditions and usage requirements. Optionally, the third protective layer 23 is made of silicone.

[0071] In this embodiment, each protective structure 20 is bonded to the frame 11. Thus, the above connection method improves the connection stability between each protective structure 20 and the frame 11, and prevents the two from being separated from each other, thereby affecting the protective effect and reliability of the protective structure 20 on the frame 11.

[0072] Optionally, the protective structure 20 is in the form of a sheet or a plate. Thus, the above arrangement, on the one hand, makes the shape of the protective structure 20 more flexible to meet different usage requirements and working conditions, and also improves the processing flexibility of the staff; on the other hand, the above arrangement makes the structure of the protective structure 20 simpler, easier to process and realize, and reduces the processing cost and difficulty of the protective structure 20.

[0073] In this embodiment, the protective structure 20 is in a sheet shape.

[0074] Optionally, the length of the protective structure 20 is greater than or equal to 5 mm; and / or, the width of the protective structure 20 is greater than or equal to 5 mm; and / or, the thickness of the protective structure 20 is greater than or equal to 0.1 mm and less than or equal to 1.5 mm. In this way, the above settings make the length, width and thickness of the protective structure 20 more flexible to meet different usage requirements and working conditions, and also improve the processing flexibility of the staff.

[0075] In this embodiment, the length of the protective structure 20 is 6 mm, the width of the protective structure 20 is 6 mm, and the thickness of the protective structure 20 is 1.0 mm.

[0076] It should be noted that the length of the protective structure 20 is not limited thereto and can be adjusted according to working conditions and usage requirements. Optionally, the length of the protective structure 20 is 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, or 12 mm.

[0077] It should be noted that the width of the protective structure 20 is not limited thereto and can be adjusted according to working conditions and usage requirements. Optionally, the width of the protective structure 20 is 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, or 12 mm.

[0078] It should be noted that the thickness of the protective structure 20 is not limited thereto, and can be adjusted according to working conditions and usage requirements. Optionally, the thickness of the protective structure 20 is 0.5 mm, or 0.8 mm, or 1.2 mm, or 1.5 mm.

[0079] like Figure 1As shown, the frame 11 includes a first side 111, a second side 112, a third side 113 and a fourth side 114 connected in sequence, the first side 111 and the third side 113 are arranged opposite to each other and parallel to each other, the second side 112 and the fourth side 114 are arranged opposite to each other and parallel to each other, the second side 112 and the fourth side 114 are located between the first side 111 and the third side 113, and the first side 111 and the second side 112 are arranged at an angle. In which, along the extension direction of the first side 111, at least one protective structure 20 is located in the middle of the first side 111; and / or, along the extension direction of the second side 112, at least one protective structure 20 is located in the middle of the second side 112; and / or, along the extension direction of the third side 113, at least one protective structure 20 is located in the middle of the third side 113; and / or, along the extension direction of the fourth side 114, at least one protective structure 20 is located in the middle of the fourth side 114. Thus, the above arrangement makes the frame 11 a quadrilateral frame, thereby making the structure of the frame 11 simpler, easier to process and realize, and reducing the processing cost and difficulty of the frame 11. At the same time, the above arrangement ensures that at least one protective structure 20 is located in the middle of each side to fully isolate two adjacent frames 11 to prevent the two from contacting and causing coating wear.

[0080] In this embodiment, along the extension direction of the first side 111, one protective structure 20 is located in the middle of the first side 111. Along the extension direction of the second side 112, one protective structure 20 is located in the middle of the second side 112. Along the extension direction of the third side 113, one protective structure 20 is located in the middle of the third side 113. Along the extension direction of the fourth side 114, one protective structure 20 is located in the middle of the fourth side 114.

[0081] Optionally, at least one protective structure 20 is disposed near the connection between the first side 111 and the second side 112; and / or, at least one protective structure 20 is disposed near the connection between the second side 112 and the third side 113; and / or, at least one protective structure 20 is disposed near the connection between the third side 113 and the fourth side 114; and / or, at least one protective structure 20 is disposed near the connection between the first side 111 and the fourth side 114. In this way, the above arrangement can fully isolate the corners of two adjacent frames 11 to prevent the two from contacting and causing coating wear.

[0082] In this embodiment, a protective structure 20 is arranged near the connection between the first edge 111 and the second edge 112, a protective structure 20 is arranged near the connection between the second edge 112 and the third edge 113, a protective structure 20 is arranged near the connection between the third edge 113 and the fourth edge 114, and a protective structure 20 is arranged near the connection between the first edge 111 and the fourth edge 114.

[0083] like Figure 1As shown, a receiving space 30 is formed between two adjacent protective structures 20, and the receiving space 30 is used to receive a packing structure 40, and the packing structure 40 is a packing rope or a binding belt. In this way, the above arrangement ensures that the packing structure 40 and the protective structure 20 are arranged at intervals to avoid structural interference between the two and affect the protection and packing reliability. At the same time, the above arrangement makes the structural selection of the packing structure 40 more flexible to meet different usage requirements and working conditions, and also improves the processing flexibility of the staff.

[0084] In this embodiment, the packing structure 40 is a packing rope.

[0085] Optionally, the frame 11 is a galvanized aluminum-magnesium steel frame, a composite material frame, or an anodized aluminum frame.

[0086] Optionally, the composite material frame uses a resin material such as polyurethane, acrylic acid, or epoxy as a matrix, glass fiber as a reinforcing material, and nylon or polyurethane paint as a surface protective layer.

[0087] Optionally, the number of protective structures 20 bonded to the photovoltaic module 10 is 4 to 20, and the bonding positions are at the four corners of the long and short frames of the photovoltaic module 10, the center of the frame, and the position of the packing tape.

[0088] like Figure 3 and Figure 4 As shown, the present application also provides a photovoltaic assembly group, including a plurality of photovoltaic units 50, wherein the plurality of photovoltaic units 50 are arranged at intervals along at least one of the length direction, height direction and width direction of the photovoltaic assembly group. The photovoltaic units 50 are the above-mentioned photovoltaic units.

[0089] In this embodiment, the protection structure 20 is disposed on the C surface of the frame 11 .

[0090] like Figure 3 and Figure 4 As shown, the photovoltaic assembly group also includes a packing structure 40. The packing structure 40 is used to bind at least part of the photovoltaic units 50. There are multiple packing structures 40, and the multiple packing structures 40 are arranged at intervals along the width direction and / or height direction of the photovoltaic assembly group. In this way, when it is necessary to transport multiple photovoltaic units 50, the packing structure 40 is first used to pack the multiple photovoltaic units 50, and the staff can directly transport the photovoltaic assembly group formed after the packing is completed, thereby reducing the difficulty of transportation and the labor intensity of the staff.

[0091] In this embodiment, a plurality of packing structures 40 are spaced apart along the width and height directions of the photovoltaic component group, thereby increasing the contact area between the packing structure 40 and each photovoltaic unit 50, thereby improving the packing reliability and preventing the photovoltaic unit 50 from moving or swaying relative to the packing structure 40 during transportation, thereby affecting the transportation efficiency.

[0092] like Figure 3 and Figure 4 As shown, the photovoltaic assembly group also includes a base 60. At least part of the photovoltaic units 50 are arranged on the base 60. In this way, when a plurality of photovoltaic units 50 need to be transported, the plurality of photovoltaic units 50 are first packaged using the packaging structure 40, and then the packaged photovoltaic units 50 are placed on the base 60 for transportation, thereby greatly reducing the transportation cost and transportation difficulty.

[0093] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0094] The photovoltaic unit includes a photovoltaic module and a protective structure. The protective structure is arranged on the frame of the photovoltaic module and is located on at least one side of the photovoltaic module. The protective structure includes a first protective layer, a second protective layer and a third protective layer arranged along the thickness direction thereof. The first protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape. The second protective layer is made of at least one of polyester resin, foam, rubber, silicone, masking paper and cloth-based tape. The third protective layer is made of acrylic adhesive or silicone. In this way, when it is necessary to package each photovoltaic module, multiple protective structures are arranged on the frame of the photovoltaic module, and multiple protective structures are arranged at intervals along the length direction and / or width direction of the frame, thereby protecting the frame and forming a photovoltaic unit. During the transportation of multiple photovoltaic units, multiple protective structures are arranged between the frames of two adjacent photovoltaic units. Since the protective structure includes three protective layers and can space the two adjacent frames, it can avoid friction between the frames of two adjacent photovoltaic units to cause wear and loss of the coating, thereby solving the problem in the prior art that the coating on the frame of the photovoltaic module is easily worn and lost during long-term transportation, thereby affecting the service life of the frame, and extending the service life of the frame.

[0095] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0096] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0097] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0098] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A photovoltaic unit, characterized in that: include: Photovoltaic module (10); A protective structure (20) arranged on the frame (11) of the photovoltaic module (10) and located on at least one side of the photovoltaic module (10), the protective structure (20) comprising a first protective layer (21), a second protective layer (22) and a third protective layer (23) arranged along the thickness direction thereof, the third protective layer (23) being made of an acrylic adhesive or silicone; There are multiple protective structures (20), and the multiple protective structures (20) are arranged at intervals along the length direction and / or width direction of the frame (11).

2. The photovoltaic unit according to claim 1, characterized in that: Each of the protective structures (20) is bonded to the frame (11).

3. The photovoltaic unit according to claim 1, characterized in that: The protective structure (20) is in the shape of a sheet or a plate.

4. The photovoltaic unit according to claim 1, characterized in that: The length of the protective structure (20) is greater than or equal to 5 mm; and / or, The width of the protective structure (20) is greater than or equal to 5 mm; and / or, The thickness of the protective structure (20) is greater than or equal to 0.1 mm and less than or equal to 1.5 mm.

5. The photovoltaic unit according to claim 1, characterized in that: The frame (11) comprises a first side (111), a second side (112), a third side (113) and a fourth side (114) which are connected in sequence; the first side (111) and the third side (113) are arranged opposite to each other and parallel to each other; the second side (112) and the fourth side (114) are arranged opposite to each other and parallel to each other; the second side (112) and the fourth side (114) are located between the first side (111) and the third side (113); and the first side (111) and the second side (112) are arranged at an angle; Wherein, along the extension direction of the first side (111), at least one of the protective structures (20) is located in the middle of the first side (111); and / or, Along the extension direction of the second side (112), at least one of the protective structures (20) is located in the middle of the second side (112); and / or, Along the extension direction of the third side (113), at least one of the protective structures (20) is located in the middle of the third side (113); and / or, Along the extension direction of the fourth side (114), at least one of the protective structures (20) is located in the middle of the fourth side (114).

6. The photovoltaic unit according to claim 5, characterized in that: At least one of the protective structures (20) is disposed near a connection between the first side (111) and the second side (112); and / or, At least one of the protective structures (20) is disposed near a connection between the second side (112) and the third side (113); and / or, At least one of the protective structures (20) is disposed near a connection between the third side (113) and the fourth side (114); and / or, At least one of the protective structures (20) is disposed near a connection between the first side (111) and the fourth side (114).

7. The photovoltaic unit according to claim 1, characterized in that: An accommodating space (30) is formed between two adjacent protective structures (20), and the accommodating space (30) is used to accommodate a packing structure (40), and the packing structure (40) is a packing rope or a binding belt.

8. A photovoltaic module group, characterized in that: It comprises a plurality of photovoltaic units (50), wherein the plurality of photovoltaic units (50) are arranged at intervals along at least one of the length direction, height direction and width direction of the photovoltaic component group; wherein the photovoltaic unit (50) is the photovoltaic unit according to any one of claims 1 to 7.

9. The photovoltaic assembly group according to claim 8, characterized in that: The photovoltaic component group further includes: A packaging structure (40) for tying at least a portion of the photovoltaic unit (50); There are multiple packing structures (40), and the multiple packing structures (40) are arranged at intervals along the width direction and / or height direction of the photovoltaic component group.

10. The photovoltaic assembly group according to claim 8, characterized in that: The photovoltaic component group further includes: A base (60), at least part of the photovoltaic unit (50) is arranged on the base (60).

Images