Photovoltaic frame

Abstract

The application relates to a photovoltaic frame, which comprises a first frame, a second frame, and a corner code. The first frame comprises a first corner code mounting part. The second frame comprises a second corner code mounting part. The corner code comprises a first mounting part, a second mounting part, and a first photovoltaic fixing part. The inner wall of the first corner code mounting part is entirely covered with a first glue layer. The second mounting part comprises a buckle sleeve, a connecting column, and a second photovoltaic fixing part. The inner wall of the second corner code mounting part is entirely covered with a second glue layer. The connecting column is inserted into the second corner code mounting part. The first photovoltaic fixing part comprises a first connecting surface. The plane of the first connecting surface and the first direction form a first included angle. The second photovoltaic fixing part comprises a second connecting surface. The plane of the second connecting surface and the first direction form a second included angle. The second mounting part is connected with the first mounting part to make the first connecting surface and the second connecting surface fit together. Water vapor can be prevented from entering the inside of the photovoltaic frame, and the waterproof effect is improved.

Description

Technical Field

[0001] This application relates to the field of solar power generation technology, specifically to a photovoltaic frame. Background Technology

[0002] In related technologies, fastening holes need to be made on the photovoltaic frame, and fasteners are inserted through the fastening holes to connect with corner brackets. However, making fastening holes will damage the sealing of the photovoltaic frame surface, and moisture will enter the photovoltaic frame through the fastening holes, affecting the waterproof effect of the photovoltaic frame, which in turn poses a hidden danger to the structural strength of the photovoltaic frame, affecting the service life and safety of the photovoltaic frame. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings of the prior art, this application aims to provide a photovoltaic frame.

[0004] According to this application, a photovoltaic frame is provided, comprising:

[0005] A first frame extends along a first direction, and the first frame includes a first corner bracket mounting portion;

[0006] The second frame extends along a second direction and includes a second corner bracket mounting portion;

[0007] A corner bracket, wherein the corner bracket is inserted into the first corner bracket mounting portion and the second corner bracket mounting portion to connect adjacent first and second borders, the corner bracket comprising:

[0008] A first mounting part is connected to a first corner bracket mounting part. The first mounting part includes a closed column, a first connecting arm, and a first photovoltaic fixing part. The closed column extends along the first direction. The inner wall of the first corner bracket mounting part is completely covered with a first adhesive layer. The closed column is inserted into the first corner bracket mounting part and bonded to the first corner bracket mounting part through the first adhesive layer. The first photovoltaic fixing part is connected to the closed column. The first connecting arm extends along the second direction and is connected to the first photovoltaic fixing part.

[0009] The second mounting part includes a snap-fit ​​sleeve, a connecting post, and a second photovoltaic fixing part. The connecting post is connected to the second photovoltaic fixing part, and the snap-fit ​​sleeve is connected to the end of the connecting post away from the second photovoltaic fixing part. The inner wall of the second corner bracket mounting part is completely covered with a second adhesive layer. The connecting post is inserted into the second corner bracket mounting part and is bonded to the second corner bracket mounting part through the second adhesive layer.

[0010] The first photovoltaic fixing part includes a first connecting surface, and the plane where the first connecting surface is located has a first angle with the first direction. The second photovoltaic fixing part includes a second connecting surface, and the plane where the second connecting surface is located has a second angle with the first direction. The second mounting part is engaged with the first mounting part so that the first connecting surface and the second connecting surface fit together.

[0011] In some embodiments of this application, the outer wall of the closed column is entirely covered with a third adhesive layer, and the closed column is inserted into the first corner bracket mounting part, where the third adhesive layer is adhered to the first corner bracket mounting part through the first adhesive layer to bond with it; and / or

[0012] The outer wall of the connecting post is completely covered with a fourth adhesive layer. The connecting post is inserted into the second corner bracket mounting part and the fourth adhesive layer is attached to the second corner bracket mounting part through the second adhesive layer to bond with the second corner bracket mounting part.

[0013] The photovoltaic frame has an IPX8 waterproof rating.

[0014] In some embodiments of this application, the first photovoltaic fixing part further includes: a first connecting unit and a first fixing unit, the first connecting unit connecting the first connecting arm and the closed column respectively, the first fixing unit being disposed outside the first connecting unit, and the wall surface of the first connecting unit and the wall surface of the first fixing unit both having at least a portion of the first connecting surface.

[0015] In some embodiments of this application, the second photovoltaic fixing part further includes: a second connecting unit and a second fixing unit, the second connecting unit being disposed around the connecting column, the second fixing unit being disposed outside the second connecting unit, and both the wall surface of the second connecting unit and the wall surface of the second fixing unit being provided with at least a portion of the second connecting surface.

[0016] In some embodiments of this application, the first connecting surface and the second connecting surface are spliced ​​together, and the splicing surface formed by the first connecting surface and the second connecting surface has an angle γ with the first direction, satisfying γ = 45°.

[0017] In some embodiments of this application, the length of the first border in the second direction is defined as the width L of the first border, the length of the second border in the first direction is defined as the width M of the second border, the first connecting surface and the second connecting surface are spliced ​​together, and the splicing surface formed by the first connecting surface and the second connecting surface has an angle γ with the first direction, satisfying tanγ=L / M.

[0018] In some embodiments of this application, the first frame further includes a first photovoltaic mounting part, which is connected to the first corner bracket mounting part and correspondingly connected to the first photovoltaic fixing part;

[0019] The second frame also includes a second photovoltaic mounting part, which is connected to the second corner bracket mounting part and is correspondingly connected to the second photovoltaic fixing part.

[0020] In some embodiments of this application, the first connecting arm includes an elastic arm and a snap-fit ​​protrusion disposed at the free end of the elastic arm, the snap-fit ​​protrusion being snapped into the inner wall of the connecting post.

[0021] In some embodiments of this application, the elastic arm includes a first elastic arm and a second elastic arm, with a gap space provided between the first elastic arm and the second elastic arm.

[0022] In some embodiments of this application, the connecting column has an internal mounting cavity, the mounting cavity having a first cavity wall and a second cavity wall, the first cavity wall corresponding to the first elastic arm, and the second cavity wall corresponding to the second elastic arm;

[0023] In the direction away from the closed column, both the first cavity wall and the second cavity wall extend toward the center of the mounting cavity.

[0024] The advantages of this application are as follows: By sealing the snap-fit ​​sleeve to the end of the connecting post opposite the second photovoltaic fixing part, the end of the connecting post opposite the second photovoltaic fixing part is a sealed structure, preventing moisture from entering the second mounting part, thereby avoiding moisture corrosion of the photovoltaic frame and improving the waterproof effect of the photovoltaic frame. A first adhesive layer is applied to the inner wall of the first corner bracket mounting part, sealing the connection between the first corner bracket mounting part and the closed post. This allows the first corner bracket mounting part to connect to the closed post without damaging the outer surface of the photovoltaic frame through openings. The first adhesive layer prevents moisture from entering the interior of the first corner bracket mounting part through the gap between the first corner bracket mounting part and the closed post, thus preventing moisture corrosion of the photovoltaic frame. A second adhesive layer is applied to the interior of the second corner bracket mounting part, sealing the connection between the second corner bracket mounting part and the connecting post, thus preventing moisture from entering the interior of the second corner bracket mounting part through the gap between the second corner bracket mounting part and the connecting post. By sealing the buckle sleeve to one end of the connecting post, the interior of the connecting post is not connected to the interior of the photovoltaic frame. The first adhesive layer seals the gap between the first corner bracket mounting part and the closed post, and the second adhesive layer seals the gap between the second corner bracket mounting part and the connecting post. The second mounting part is engaged with the first mounting part so that the first connecting surface and the second connecting surface are in contact. This prevents moisture from entering the interior of the photovoltaic frame through the engagement of the first mounting part and the second mounting part, thus preventing the interior of the photovoltaic frame from being corroded by moisture and improving the waterproof effect of the photovoltaic frame.

[0025] Other features and advantages of this application will be set forth in the following description and will be apparent in part from the description or learned by practicing the application. The purposes and other advantages of this application may be realized and obtained by means of the structures particularly pointed out in the description, claims and drawings. Attached Figure Description

[0026] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In these drawings, similar reference numerals are used to identify similar elements. The drawings described below are some embodiments of the present application, but not all embodiments. Other drawings can be obtained from these drawings by those skilled in the art without inventive effort.

[0027] Figure 1 This is a schematic diagram of the structure of a photovoltaic frame according to an exemplary embodiment. Figure 1 ;

[0028] Figure 2 This is a schematic diagram of the structure of a photovoltaic frame according to an exemplary embodiment. Figure 2 ;

[0029] Figure 3 This is a schematic diagram showing the separation of the first frame and the first corner bracket mounting part according to an exemplary embodiment;

[0030] Figure 4 This is a schematic diagram of the structure of the second corner bracket mounting part of a photovoltaic frame, according to an exemplary embodiment. Figure 1 ;

[0031] Figure 5 This is a schematic diagram of the structure of the second corner bracket mounting part of a photovoltaic frame, according to an exemplary embodiment. Figure 2 ;

[0032] Figure 6 This is a schematic diagram of the structure of the first corner bracket mounting part of a photovoltaic frame, according to an exemplary embodiment.

[0033] Figure 7 This is a schematic diagram of the structure of the corner bracket of a photovoltaic frame, according to an exemplary embodiment;

[0034] Figure 8 This is a cross-sectional view of a photovoltaic frame shown according to an exemplary embodiment;

[0035] Figure 9 This is a partial cross-sectional view of the first frame and the first corner bracket mounting portion shown according to an exemplary embodiment;

[0036] Figure 10 This is a partial cross-sectional view of the second frame and the second corner bracket mounting portion shown according to an exemplary embodiment.

[0037] Figure label:

[0038] 1. First frame; 11. First corner bracket mounting part; 12. First photovoltaic mounting part; 13. First photovoltaic panel mounting groove; 2. Second frame; 21. Second corner bracket mounting part; 22. Second photovoltaic mounting part; 23. Second photovoltaic panel mounting groove; 3. Corner bracket; 31. First mounting part; 311. Enclosed column; 312. First connecting arm; 3121. Elastic arm; 31211. First elastic arm; 31212. Second elastic arm; 3122. Snap-fit ​​protrusion; 313. First photovoltaic fixing part; 3131. First connecting surface; 3132, first connecting unit; 3133, first fixing unit; 31331, first mounting groove; 3134, splicing surface; 32, second mounting part; 321, snap sleeve; 322, connecting column; 3221, mounting cavity; 32211, first cavity wall; 32212, second cavity wall; 32213, snap-fit ​​cavity; 323, second photovoltaic fixing part; 3231, second connecting unit; 3232, second fixing unit; 32321, second mounting groove; 3233, second connecting surface. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. It should be noted that, unless otherwise specified, the embodiments and feature vectors in the embodiments of this application can be arbitrarily combined with each other.

[0040] A photovoltaic (PV) power generation system includes PV panels and a PV frame surrounding the PV panels for support. However, related technologies require fastening holes in the PV frame for fasteners to pass through and connect to corner brackets. But creating these fastening holes compromises the surface seal of the PV frame, allowing moisture to enter and affect its waterproofing. This, in turn, compromises the structural strength of the PV frame, impacting its lifespan and safety.

[0041] To address the aforementioned problems, this application provides a photovoltaic frame, comprising: a first frame, a second frame, and corner brackets. The first frame extends along a first direction and includes a first corner bracket mounting portion. The second frame extends along a second direction and includes a second corner bracket mounting portion. Corner brackets are inserted into the first and second corner bracket mounting portions to connect adjacent first and second frames. Each corner bracket includes a first mounting portion and a second mounting portion. The first mounting portion is connected to the first corner bracket mounting portion. The first mounting portion includes a closed post, a first connecting arm, and a first photovoltaic fixing portion. The closed post extends along the first direction, and the inner wall of the first corner bracket mounting portion is entirely covered with a first adhesive layer. The closed post is inserted into the first corner bracket mounting portion and bonded to it through the first adhesive layer. The first photovoltaic fixing portion connects to the closed post, and the first connecting arm extends along the second direction and connects to the first photovoltaic fixing portion. The second mounting part includes a snap-fit ​​sleeve, a connecting post, and a second photovoltaic fixing part. The connecting post is connected to the second photovoltaic fixing part, and the snap-fit ​​sleeve is connected to the end of the connecting post opposite to the second photovoltaic fixing part. The inner wall of the second angle bracket mounting part is completely covered with a second adhesive layer. The connecting post is inserted into the second angle bracket mounting part and bonded to it through the second adhesive layer. The first photovoltaic fixing part includes a first connecting surface, and the plane containing the first connecting surface forms a first angle with a first direction. The second photovoltaic fixing part includes a second connecting surface, and the plane containing the second connecting surface forms a second angle with the first direction. The second mounting part snaps into the first mounting part so that the first connecting surface and the second connecting surface fit together. By connecting the snap-fit ​​sleeve to the end of the connecting post opposite to the second photovoltaic fixing part, one end of the connecting post is sealed. The inner wall of the second angle bracket mounting part is completely covered with a second adhesive layer. The connecting post is inserted into the second angle bracket mounting part and bonded to it through the second adhesive layer, which further prevents moisture from entering the second angle bracket mounting part, protecting the internal structure of the second angle bracket mounting part and preventing it from being corroded by moisture. The inner wall of the first corner bracket mounting part is completely covered with a first adhesive layer. The sealing column is inserted into the first corner bracket mounting part and bonded to it through the first adhesive layer, thus achieving a seal between the sealing column and the first corner bracket mounting part. This does not damage the surface structure of the photovoltaic frame and improves the waterproof effect and sealing performance of the photovoltaic frame. The plane containing the first connecting surface has a first angle with the first direction, and the plane containing the second connecting surface has a second angle with the first direction. When the second mounting part is engaged with the first mounting part, the first connecting surface and the second connecting surface fit together, facilitating precise positioning and stable splicing of the first frame and the second frame.

[0042] An exemplary embodiment of this application provides a photovoltaic frame, see [link]. Figures 1-4 as well as Figures 9-10 The photovoltaic frame includes a first frame 1, a second frame 2, and a corner code 3.

[0043] The first border 1 extends along a first direction and includes a first corner bracket mounting portion 11. The second border 2 extends along a second direction and includes a second corner bracket mounting portion 21. Exemplarily, the first direction and the second direction are perpendicular.

[0044] The same photovoltaic frame can be provided with two first frames 1 and two second frames 2. The two first frames 1 and two second frames 2 are connected by corner brackets 3. The corner brackets 3 are inserted into the first corner bracket mounting part 11 and the second corner bracket mounting part 21 to connect the adjacent first frames 1 and second frames 2, thereby forming a photovoltaic frame with an enclosed structure.

[0045] The corner bracket 3 includes a first mounting part 31 and a second mounting part 32, which are detachably connected. The first mounting part 31 is connected to the first corner bracket mounting part 11. The first mounting part 31 includes a closed post 311, a first connecting arm 312, and a first photovoltaic fixing part 313. The closed post 311 extends along a first direction to facilitate insertion of the closed post 311 into the first frame 1.

[0046] The inner wall of the first corner bracket mounting part 11 is completely covered with the first adhesive layer. The sealing column 311 is inserted into the first corner bracket mounting part 11 and is bonded to the first corner bracket mounting part 11 through the first adhesive layer. The first adhesive layer fills the gap between the first corner bracket mounting part 11 and the sealing column 311, which plays a role in connection and sealing, preventing external moisture from entering the interior of the first corner bracket mounting part 11.

[0047] The first photovoltaic fixing part 313 is connected to the closed column 311, and the first connecting arm 312 is connected to the first photovoltaic fixing part 313. The first connecting arm 312 extends along the second direction so that the first connecting arm 312 can be connected to the second mounting part 32.

[0048] The second mounting part 32 includes a snap-fit ​​sleeve 321, a connecting post 322, and a second photovoltaic fixing part 323, wherein the connecting post 322 is connected to the second photovoltaic fixing part 323.

[0049] The connecting post 322 is connected to the second photovoltaic fixing part 323. The snap sleeve 321 is connected to the end of the connecting post 322 away from the second photovoltaic fixing part 323, so that the snap sleeve 321 is sealed to the end of the connecting post 322, and the end of the connecting post 322 away from the second photovoltaic fixing part 323 is a sealed structure to prevent moisture from entering the second mounting part 32.

[0050] The inner wall of the second angle bracket mounting part 21 is completely covered with a second adhesive layer. The connecting post 322 is inserted into the second angle bracket mounting part 21 and bonded to it through the second adhesive layer. The second adhesive layer fills the gap between the second angle bracket mounting part 21 and the connecting post 322, serving to connect and seal, preventing external moisture from entering the interior of the second angle bracket mounting part 21.

[0051] The first photovoltaic fixing part 313 includes a first connecting surface 3131, and the plane where the first connecting surface 3131 is located has a first angle with the first direction. The second photovoltaic fixing part 323 includes a second connecting surface 3233, and the plane where the second connecting surface 3233 is located has a second angle with the first direction. The second mounting part 32 is engaged with the first mounting part 31 so that the first connecting surface 3131 and the second connecting surface 3233 are in contact, which can prevent moisture from entering the photovoltaic frame through the engagement of the first mounting part 31 and the second mounting part 32, thereby improving the waterproof effect of the photovoltaic frame.

[0052] In the embodiments of this application, by sealing the buckle sleeve 321 to the end of the connecting post 322 facing away from the second photovoltaic fixing part 323, the end of the connecting post 322 facing away from the second photovoltaic fixing part 323 is a sealed structure, which can prevent moisture from entering the second mounting part 32, thereby preventing moisture from corroding the photovoltaic frame and improving the waterproof effect of the photovoltaic frame. The inner wall of the first corner bracket mounting part 11 is covered with a first adhesive layer. The first adhesive layer is used to seal the connection between the first corner bracket mounting part 11 and the closed post 311. Without damaging the outer surface of the photovoltaic frame through openings, the first corner bracket mounting part 11 and the closed post 311 are connected. The first adhesive layer can prevent moisture from entering the interior of the first corner bracket mounting part 11 through the gap between the first corner bracket mounting part 11 and the closed post 311, thereby preventing moisture from corroding the photovoltaic frame. A second adhesive layer is provided inside the second corner bracket mounting part 21. The second adhesive layer is used to seal the connection between the second corner bracket mounting part 21 and the connecting post 322. This allows the second corner bracket mounting part 21 to be connected to the closed post 311 without having to damage the outer surface of the photovoltaic frame through openings. The second adhesive layer can prevent moisture from entering the interior of the second corner bracket mounting part 21 through the gap between the second corner bracket mounting part 21 and the connecting post 322, thereby preventing moisture from corroding the photovoltaic frame. By sealing the buckle sleeve 321 to one end of the connecting post 322, the interior of the connecting post 322 is not connected to the interior of the photovoltaic frame. The first adhesive layer seals the gap between the first corner bracket mounting part 11 and the closed post 311, and the second adhesive layer seals the gap between the second corner bracket mounting part 21 and the connecting post 322. The second mounting part 32 is engaged with the first mounting part 31 so that the first connecting surface 3131 and the second connecting surface 3233 are in contact. This prevents moisture from entering the interior of the photovoltaic frame through the engagement of the first mounting part 31 and the second mounting part 32, thereby achieving an IPX8 waterproof rating, preventing the interior of the photovoltaic frame from being corroded by moisture, and improving the waterproof effect of the photovoltaic frame.

[0053] In some embodiments, the outer wall of the enclosed column 311 is entirely covered with a third adhesive layer, meaning the length of the third adhesive layer is the same as the length of the enclosed column 311 in the first direction. The enclosed column 311 is inserted into the first corner bracket mounting part 11, and the third adhesive layer adheres to the first corner bracket mounting part 11 to bond with it. This improves the connection strength and sealing performance between the enclosed column 311 and the first corner bracket mounting part 11, further preventing moisture from entering the interior of the first corner bracket mounting part 11. The photovoltaic frame has an IPX8 waterproof rating, ensuring that water will not enter the interior of the photovoltaic frame during continuous immersion in water. IPX8 is a waterproof rating that means the photovoltaic frame can withstand a 30-minute continuous immersion at a height of 1.5-30 meters above the water surface without performance degradation or leakage.

[0054] In some embodiments, the outer wall of the connecting post 322 is completely covered with a fourth adhesive layer. The connecting post 322 extends along the second direction, and the length of the fourth adhesive layer is the same as the length of the connecting post 322 in the second direction. The connecting post 322 is inserted into the second corner bracket mounting part 21 and the fourth adhesive layer is adhered to it through the second adhesive layer to bond with the second corner bracket mounting part 21. This helps to improve the connection strength and sealing between the connecting post 322 and the second corner bracket mounting part 21, and further prevents moisture from entering the interior of the second corner bracket mounting part 21. The waterproof rating of the photovoltaic frame is IPX8, which ensures that water will not enter the interior of the photovoltaic frame when it is continuously immersed in water.

[0055] In some embodiments, the first photovoltaic fixing part 313 further includes: a first connecting unit 3132 and a first fixing unit 3133. The first connecting unit 3132 surrounds the closed column 311 and connects the first connecting arm 312 and the closed column 311 respectively. The first fixing unit 3133 is disposed outside the first connecting unit 3132. The wall surface of the first connecting unit 3132 and the wall surface of the first fixing unit 3133 are both provided with at least a portion of the first connecting surface 3131. The first connecting surface 3131 is inclined relative to the first direction and has an included angle α with the first connecting surface 3131 and the first direction.

[0056] In some embodiments, the second photovoltaic fixing part 323 further includes: a second connecting unit 3231 and a second fixing unit 3232. The second fixing unit 3232 is disposed outside the second connecting unit 3231. The second connecting unit 3231 is disposed around the periphery of the connecting post 322. The wall surface of the second connecting unit 3231 and the wall surface of the second fixing unit 3232 are both provided with at least a portion of the second connecting surface 3233. The second connecting surface 3233 is inclined relative to the first direction and has an included angle β between the second connecting surface 3233 and the first direction.

[0057] When the second mounting part 32 is engaged with the first mounting part 31 so that the first connecting surface 3131 and the second connecting surface 3233 are in contact, the second connecting unit 3231 is sleeved on the outside of the first connecting unit 3132, and the second fixing unit 3232 is in contact with the first fixing unit 3133. This helps to avoid the formation of a gap at the connection between the first connecting surface 3131 and the second connecting surface 3233, improves the connection strength after the second mounting part 32 and the first mounting part 31 are engaged, and prevents moisture from entering the interior of the photovoltaic frame.

[0058] In some embodiments, see Figures 5-7The first connecting surface 3131 and the second connecting surface 3233 are spliced ​​together. The splicing surface 3134 formed by the first connecting surface 3131 and the second connecting surface 3233 has an angle γ with the first direction, which satisfies γ = 45°. This design allows the connection between the first mounting part 31 and the second mounting part 32 to support each other when subjected to external force, reducing relative displacement and further improving the stability and sealing of the photovoltaic frame.

[0059] In some embodiments, see Figure 1 and Figure 7 The first border 1 is defined as having a length in the second direction equal to its width L, and the second border 2 is defined as having a length in the first direction equal to its width M. The first connecting surface 3131 and the second connecting surface 3233 are spliced ​​together. The splicing surface 3134 formed by the first connecting surface 3131 and the second connecting surface 3233 has an angle γ with the first direction, satisfying tanγ=L / M. This design allows the angle γ to be determined based on the width L of the first border and the width M of the second border, thus ensuring the connection strength after splicing the first border 1 and the second border 2 with different widths. When the width L of the first border and the width M of the second border are equal, the angle γ is 45°. When the width L of the first border and the width M of the second border are not equal, the angle γ can be any value between 0° and 90°. For example, the angle γ can be set to 20°, 34°, or 79°.

[0060] In some embodiments, see Figures 1-7 The first frame 1 also includes a first photovoltaic mounting part 12, which is connected to a first corner bracket mounting part 11. A first photovoltaic panel mounting groove 13 is formed between the first photovoltaic mounting part 12 and the first corner bracket mounting part 11. A portion of the photovoltaic panel is disposed within the first photovoltaic panel mounting groove 13. The first photovoltaic mounting part 12 can restrict the movement of the photovoltaic panel and prevent it from detaching from the first photovoltaic panel mounting groove 13. A closed column 311 is inserted into the first corner bracket mounting part 11 so that the first mounting part 31 is connected to the first frame 1. At this time, the first photovoltaic mounting part 12 and the first photovoltaic fixing part 313 are correspondingly connected, so that the height of the connection between the first photovoltaic mounting part 12 and the first photovoltaic fixing part 313 is the same, avoiding unevenness at the connection, which is beneficial for installing the photovoltaic panel in the first photovoltaic panel mounting groove 13.

[0061] In some embodiments, the second frame 2 further includes a second photovoltaic mounting portion 22, which is connected to a second corner bracket mounting portion 21. A second photovoltaic panel mounting groove 23 is formed between the second photovoltaic mounting portion 22 and the second corner bracket mounting portion 21. A portion of the photovoltaic panel is disposed within the second photovoltaic panel mounting groove 23. The second photovoltaic mounting portion 22 can restrict the movement of the photovoltaic panel and prevent it from detaching from the second photovoltaic panel mounting groove 23. A connecting post 322 is inserted into the second corner bracket mounting portion 21 so that the second mounting portion 32 is connected to the second frame 2. At this time, the second photovoltaic mounting portion 22 and the second photovoltaic fixing portion 323 are correspondingly connected, so that the height of the connection between the second photovoltaic mounting portion 22 and the second photovoltaic fixing portion 323 is the same, avoiding unevenness at the connection point, which is beneficial for installing the photovoltaic panel in the second photovoltaic panel mounting groove 23.

[0062] In some embodiments, see Figure 3 and Figure 4 The first fixing unit 3133 includes a first mounting groove 31331, and the second fixing unit 3232 includes a second mounting groove 32321. Both the first mounting groove 31331 and the second mounting groove 32321 are used to install photovoltaic panels.

[0063] During photovoltaic panel installation, the inner wall of the first corner bracket mounting part 11 is completely covered with a first adhesive layer, and the outer wall of the closed column 311 is completely covered with a third adhesive layer. The closed column 311 is inserted into the first corner bracket mounting part 11, so that the first mounting part 31 is bonded to the first frame 1. The inner wall of the second corner bracket mounting part 21 is completely covered with a second adhesive layer, and the outer wall of the connecting column 322 is completely covered with a fourth adhesive layer. The connecting column 322 is inserted into the second corner bracket mounting part 21, so that the second mounting part 32 is bonded to the second frame 2. The first, second, third, and fourth adhesive layers are made of the same material. A fifth adhesive layer is applied to the first photovoltaic panel mounting groove 13, the second photovoltaic panel mounting groove 23, the first mounting groove 31331, and the second mounting groove 32321. This fifth adhesive layer is used to bond the photovoltaic panel, and its material is different from the first adhesive layer. The photovoltaic panel is inserted into the second photovoltaic panel mounting groove 23 and the second mounting groove 32321, and then bonded to the second frame 2 by the fifth adhesive layer. The first mounting part 31 is inserted into the second mounting part 32 so that the first mounting part 31 and the second mounting part 32 are engaged. At this time, the edge of the photovoltaic panel is inserted into the first mounting groove 31331 and the first photovoltaic panel mounting groove 13, so that the photovoltaic panel is bonded to the fifth adhesive layer in the first mounting groove 31331 and the first photovoltaic panel mounting groove 13 respectively, thereby realizing the installation of the photovoltaic panel.

[0064] In this embodiment, the snap-fit ​​sleeve 321 is sealed to the end of the connecting post 322 facing away from the second photovoltaic fixing part 323, and the end of the closed post 311 facing away from the first photovoltaic fixing part 313 is set as a closed structure, so that water vapor cannot pass through the connection between the first mounting part 31 and the second mounting part 32 and enter the interior of the first frame 1 and the second frame 2 through the interior of the corner bracket 3, which can improve the waterproofness of the photovoltaic frame. By setting the first adhesive layer and the second adhesive layer, water vapor can be prevented from entering the interior of the photovoltaic frame through the gap between the first corner bracket mounting part 11 and the closed post 311 and the gap between the second corner bracket mounting part 21 and the connecting post 322, thereby achieving an IPX8 waterproof effect and preventing the interior of the photovoltaic frame from being corroded by water vapor.

[0065] In some embodiments, the first frame 1 and the second frame 2 are made of fiber composite material and are prepared by pultrusion molding. The photovoltaic frame of fiber composite material reduces the structural weight and improves the durability of the photovoltaic frame.

[0066] In some embodiments, the first connecting surface 3131 and the second connecting surface 3233 can be configured as mutually cooperating inclined curved surfaces. Of course, without affecting the connection appearance, a protrusion can be provided on one of the first connecting surface 3131 and the second connecting surface 3233, and a recess can be provided on the other, so that the protrusion and the recess can be engaged to improve the connection tightness between the first connecting surface 3131 and the second connecting surface 3233. Those skilled in the art can make adaptive improvements to the configuration and specific connection method of the first connecting surface 3131 and the second connecting surface 3233 according to actual needs. This application does not impose too many restrictions on this.

[0067] In some embodiments, see Figure 8 The first connecting arm 312 includes an elastic arm 3121 and a snap-fit ​​protrusion 3122 disposed at the free end of the elastic arm 3121. The elastic arm 3121 can generate elastic deformation and snap-fit ​​with the inner wall of the connecting post 322 through the snap-fit ​​protrusion 3122 so that the second mounting part 32 snaps with the first mounting part 31, so that the second mounting part 32 and the first mounting part 31 can be connected.

[0068] In some embodiments, the elastic arm 3121 includes a first elastic arm 31211 and a second elastic arm 31212, which are parallel to each other or at a certain angle. When the first mounting part 31 and the second mounting part 32 are engaged, the first connecting arm 312 is inserted into the second mounting part 32. Under external force, the first elastic arm 31211 and the second elastic arm 31212 undergo elastic deformation and move towards each other. A gap space is provided between the first elastic arm 31211 and the second elastic arm 31212, which provides room for movement. When the engaging protrusion 3122 engages with the inner wall of the connecting post 322, the first elastic arm 31211 and the second elastic arm 31212 return to their original position and open after the external force is removed, thus achieving engagement between the engaging protrusion 3122 and the inner wall of the connecting post 322.

[0069] In some embodiments, the connecting post 322 has an internal mounting cavity 3221. The mounting cavity 3221 has a first cavity wall 32211 and a second cavity wall 32212. The first cavity wall 32211 corresponds to the first elastic arm 31211, and the second cavity wall 32212 corresponds to the second elastic arm 31212. When the first mounting part 31 and the second mounting part 32 are engaged, the first connecting arm 312 is inserted into the second mounting part 32. The first elastic arm 31211 slides along the first cavity wall 32211 into the mounting cavity 3221, and the second elastic arm 31212 slides along the second cavity wall 32212 into the mounting cavity 3221. In the direction away from the closed column 311, the first cavity wall 32211 and the second cavity wall 32212 both extend toward the middle of the mounting cavity 3221, so that when the first elastic arm 31211 and the second elastic arm 31212 are inserted into the mounting cavity 3221, they can move toward each other and generate elastic deformation. The first elastic arm 31211 and the second elastic arm 31212 recover their deformation, and the locking protrusion 3122 engages with the inner wall of the connecting column 322, so that the first mounting part 31 and the second mounting part 32 engage with each other.

[0070] In some embodiments, see Figure 8 The mounting cavity 3221 also has a snap-fit ​​cavity 32213, which is located at the end of the mounting cavity 3221 away from the first connecting arm 312. The snap-fit ​​cavity 32213 is used to accommodate the snap-fit ​​protrusion 3122. When the snap-fit ​​protrusion 3122 moves into the snap-fit ​​cavity 32213, the first elastic arm 31211 and the second elastic arm 31212 return to their original deformation, and the snap-fit ​​protrusion 3122 snaps into the inner wall of the snap-fit ​​cavity 32213, so that the first mounting part 31 and the second mounting part 32 snap into each other, thereby improving the connection stability of the first mounting part 31 and the second mounting part 32.

[0071] In some embodiments, see Figure 8 The first elastic arm 31211 and the corresponding snap-fit ​​protrusion 3122 have an included angle, defined as the first connecting angle λ. The second elastic arm 31212 and the corresponding snap-fit ​​protrusion 3122 have an included angle, defined as the second connecting angle ω. When the snap-fit ​​protrusion 3122 is snapped into the snap-fit ​​cavity 32213, the first connecting angle λ and the second connecting angle ω can be maximized to avoid collision and wear between the snap-fit ​​protrusion 3122 and the cavity wall of the snap-fit ​​cavity 32213 due to processing errors or external forces, thus ensuring the fault tolerance when the snap-fit ​​protrusion 3122 and the cavity wall of the snap-fit ​​cavity 32213 abut. For example, the first connecting angle λ and the second connecting angle ω can both be set as obtuse angles.

[0072] In some embodiments, the photovoltaic frame further includes a protective layer covering the surfaces of the first frame 1 and the second frame 2, which can improve the corrosion resistance and weather resistance of the photovoltaic frame.

[0073] The protective layer can be set as a paint layer or a nylon layer. The paint layer is made of paint, and the nylon layer is made of nylon. Paint and nylon have good waterproof, moisture-proof, UV-proof, and oxidation-proof properties, which can effectively protect the photovoltaic frame from external environmental erosion and extend its service life.

[0074] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes said element.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit it. The application has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application, and all such modifications and substitutions should be covered within the scope of the claims of this application.

Claims

1. A photovoltaic frame, characterized in that, include: A first frame extends along a first direction, and the first frame includes a first corner bracket mounting portion; The second frame extends along a second direction and includes a second corner bracket mounting portion; A corner bracket, wherein the corner bracket is inserted into the first corner bracket mounting portion and the second corner bracket mounting portion to connect adjacent first and second borders, the corner bracket comprising: A first mounting part is connected to a first corner bracket mounting part. The first mounting part includes a closed column, a first connecting arm, and a first photovoltaic fixing part. The closed column extends along the first direction. The inner wall of the first corner bracket mounting part is completely covered with a first adhesive layer. The closed column is inserted into the first corner bracket mounting part and bonded to the first corner bracket mounting part through the first adhesive layer. The first photovoltaic fixing part is connected to the closed column. The first connecting arm extends along the second direction and is connected to the first photovoltaic fixing part. The second mounting part includes a snap-fit ​​sleeve, a connecting post, and a second photovoltaic fixing part. The connecting post is connected to the second photovoltaic fixing part, and the snap-fit ​​sleeve is connected to the end of the connecting post away from the second photovoltaic fixing part. The inner wall of the second corner bracket mounting part is completely covered with a second adhesive layer. The connecting post is inserted into the second corner bracket mounting part and is bonded to the second corner bracket mounting part through the second adhesive layer. The first photovoltaic fixing part includes a first connecting surface, and the plane where the first connecting surface is located has a first angle with the first direction. The second photovoltaic fixing part includes a second connecting surface, and the plane where the second connecting surface is located has a second angle with the first direction. The second mounting part is engaged with the first mounting part so that the first connecting surface and the second connecting surface fit together.

2. The photovoltaic frame according to claim 1, characterized in that, The outer wall of the enclosed column is entirely covered with a third adhesive layer. The enclosed column is inserted into the first corner bracket mounting part, and the third adhesive layer is adhered to the first corner bracket mounting part through the first adhesive layer to bond with the first corner bracket mounting part; and / or The outer wall of the connecting post is completely covered with a fourth adhesive layer. The connecting post is inserted into the second corner bracket mounting part and the fourth adhesive layer is attached to the second corner bracket mounting part through the second adhesive layer to bond with the second corner bracket mounting part. The photovoltaic frame has an IPX8 waterproof rating.

3. The photovoltaic frame according to claim 1, characterized in that, The first photovoltaic fixing part further includes: a first connecting unit and a first fixing unit. The first connecting unit connects the first connecting arm and the closed column respectively. The first fixing unit is disposed outside the first connecting unit. The wall surface of the first connecting unit and the wall surface of the first fixing unit are both provided with at least part of the first connecting surface.

4. The photovoltaic frame according to claim 1, characterized in that, The second photovoltaic fixing part further includes: a second connecting unit and a second fixing unit. The second connecting unit is arranged around the connecting column, and the second fixing unit is arranged outside the second connecting unit. The wall surface of the second connecting unit and the wall surface of the second fixing unit are both provided with at least a portion of the second connecting surface.

5. The photovoltaic frame according to claim 1, characterized in that, The first connecting surface and the second connecting surface are spliced ​​together, and the splicing surface formed by the first connecting surface and the second connecting surface has an angle γ with the first direction, satisfying γ = 45°.

6. The photovoltaic frame according to claim 1, characterized in that, The first border is defined as having a length L in the second direction, and the second border is defined as having a length M in the first direction. The first connecting surface and the second connecting surface are spliced ​​together, and the spliced ​​surface formed by the first connecting surface and the second connecting surface has an angle γ with the first direction, satisfying tanγ=L / M.

7. The photovoltaic frame according to claim 1, characterized in that, The first frame also includes a first photovoltaic mounting part, which is connected to the first corner bracket mounting part and is correspondingly connected to the first photovoltaic fixing part; The second frame also includes a second photovoltaic mounting part, which is connected to the second corner bracket mounting part and is correspondingly connected to the second photovoltaic fixing part.

8. The photovoltaic frame according to any one of claims 1-7, characterized in that, The first connecting arm includes an elastic arm and a snap-fit ​​protrusion disposed at the free end of the elastic arm, the snap-fit ​​protrusion being snapped into the inner wall of the connecting post.

9. The photovoltaic frame according to claim 8, characterized in that, The elastic arm includes a first elastic arm and a second elastic arm, with a gap space provided between the first elastic arm and the second elastic arm.

10. The photovoltaic frame according to claim 9, characterized in that, The connecting column has an internal mounting cavity, which has a first cavity wall and a second cavity wall. The first cavity wall corresponds to the first elastic arm, and the second cavity wall corresponds to the second elastic arm. In the direction away from the closed column, both the first cavity wall and the second cavity wall extend toward the center of the mounting cavity.

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