Photovoltaic frame, photovoltaic module and method for assembling the same

Abstract

The application relates to a photovoltaic frame, a photovoltaic assembly and an assembling method thereof. A clamping piece is clamped with a clamping structure, and the clamping piece and / or the clamping structure are used for abutting against an end surface of a laminated piece and being limitedly matched with the end surface in the thickness direction of the laminated piece. In this way, the clamping piece is clamped with the clamping structure, and the clamping piece and / or the clamping structure abut against the end surface of the laminated piece and are limitedly matched with the end surface in the thickness direction of the laminated piece, so that the laminated piece can be stably installed on a supporting surface and can be prevented from being separated upward from the photovoltaic frame. In addition, since S1<=D and S2<=D, the clamping piece and the clamping structure are not protruded upward from the front surface of the laminated piece, so that dust on the front surface of the laminated piece can be easily washed away by rainwater to realize self-cleaning of the photovoltaic assembly, operation and maintenance cost can be reduced, and dust accumulation can be effectively prevented.

Description

Technical Field

[0001] This application relates to the field of photovoltaic technology, and in particular to a photovoltaic frame, a photovoltaic module, and an assembly method thereof. Background Technology

[0002] In the photovoltaic (PV) industry, PV modules are generally installed facing south at a tilt angle of 5° to 45°. In some outdoor areas with high levels of dust, dust accumulation can easily occur on the front of the laminated components of PV modules. Dust accumulation can block sunlight, leading to a decrease in the power generation efficiency of PV modules, and in severe cases, it can also accelerate surface wear of the laminated components, shortening the lifespan of the equipment. Statistics show that approximately 80% of industrial and commercial applications suffer from dust accumulation in PV modules, and a 90mm thick layer of dust can cause approximately 23% power loss. Summary of the Invention

[0003] Therefore, it is necessary to overcome the shortcomings of existing technologies and provide a photovoltaic frame, photovoltaic module and its assembly method that can prevent dust accumulation and ensure the stability of laminate installation.

[0004] A photovoltaic frame for mounting a laminate, the photovoltaic frame having a support surface for supporting the laminate, the photovoltaic frame comprising:

[0005] Border body;

[0006] A snap-fit ​​structure is provided on the frame body; and

[0007] A snap-fit ​​component, wherein the snap-fit ​​component engages with the snap-fit ​​structure, and the snap-fit ​​component and / or the snap-fit ​​structure are used to abut against the end face of the laminate and to limit the engagement with the end face along the thickness direction of the laminate;

[0008] The distance between the part of the snap-fit ​​component furthest from the support surface and the support surface is defined as S1, the distance between the part of the snap-fit ​​structure furthest from the support surface and the support surface is defined as S2, and the thickness of the laminate is defined as D, where S1≤D and S2≤D.

[0009] In one embodiment, the snap-fit ​​member includes a snap-fit ​​portion and a limiting portion connected to the snap-fit ​​portion. The snap-fit ​​structure forms a snap-fit ​​groove. The snap-fit ​​portion is snap-fitted into the inside of the snap-fit ​​groove. The limiting portion is used to abut against the end face of the laminate and to limit the fit with the end face along the thickness direction of the laminate.

[0010] In one embodiment, the limiting portion is provided with a first limiting surface for abutting against and limiting the middle end face of the front panel of the laminate, and the first limiting surface is configured as an arc-shaped surface.

[0011] In one embodiment, the first limiting surface is disposed on the side of the limiting portion facing the laminate. The side of the limiting portion facing the laminate also includes a clearance surface. The clearance surface is connected to the first limiting surface and can clearance the laminate. The clearance surface is located below the first limiting surface. The side of the clearance surface opposite to the first limiting surface is connected to the bottom surface of the limiting portion. The side of the first limiting surface opposite to the clearance surface is connected to the top surface of the limiting portion.

[0012] In one embodiment, the clearance surface is set at an angle to the limiting portion, and the angle between the clearance surface and the limiting portion is 30° to 90°.

[0013] In one embodiment, the snap-fit ​​structure is provided with a second limiting surface for abutting against and limiting the middle end face of the back plate of the laminate, and the second limiting surface is configured as an arc-shaped surface.

[0014] In one embodiment, the photovoltaic frame further includes a support portion connected to the frame body, and the support surface is disposed on the side of the support portion facing away from the frame body; the support portion, the snap-fit ​​structure, and the frame body together form an adhesive application groove; the adhesive application groove is located below the back side of the laminate, and the groove opening of the adhesive application groove faces the back side of the laminate.

[0015] In one embodiment, the support surface is formed with a recess; the recess is one, or the recess is multiple, and all the recesses are arranged sequentially in a direction away from the snap-fit ​​structure.

[0016] In one embodiment, the photovoltaic frame further includes a barrier extending along its longitudinal direction, the barrier being disposed on the support surface on the side opposite to the snap-fit ​​structure; the barrier is a solid adhesive.

[0017] In one embodiment, the snap-fit ​​structure includes a first isolation wall and a second isolation wall, which are spaced apart on the frame body. The first isolation wall and the second isolation wall define the snap-fit ​​groove between them. The second isolation wall is located on the side of the first isolation wall facing away from the support. The distance between the part of the second isolation wall furthest from the support surface and the support surface is set as S2, and the distance between the part of the first isolation wall furthest from the support surface and the support surface is set as S3, where S2 ≥ S3.

[0018] In one embodiment, the side of the limiting portion facing the second partition wall is flush with the side of the holding portion facing the second partition wall; the side of the limiting portion facing away from the second partition wall protrudes from the side of the holding portion facing the second partition wall; the limiting portion overlaps the top of the first partition wall.

[0019] In one embodiment, the limiting part has a first guide surface on the side facing away from the first isolation wall, and the second isolation wall has a second guide surface on the part facing away from the frame body.

[0020] Both the first guide surface and the second guide surface are planar and flush with each other, and both are parallel to the support surface; or...

[0021] The distance between the second guide surface and the supporting surface is less than the distance between the first guide surface and the supporting surface; or,

[0022] The first guide surface includes a first connecting surface and a second connecting surface. The first connecting surface is connected to the second connecting surface. The first connecting surface is parallel to the support surface. The second connecting surface is closer to the second guide surface than the first connecting surface. The second connecting surface extends to the second guide surface from the side opposite to the first connecting surface. The distance between the second connecting surface and the second guide surface and the support surface decreases in the direction away from the first connecting surface.

[0023] In one embodiment, the inner wall of the card slot is provided with a first anti-slip part, and the outer wall of the card holding part is provided with a second anti-slip part corresponding to the position of the first anti-slip part, and the first anti-slip part and the second anti-slip part are in close contact.

[0024] In one embodiment, the first anti-slip portion includes serrations, anti-slip bumps, or anti-slip textures; and / or, the second anti-slip portion includes serrations, anti-slip bumps, or anti-slip textures.

[0025] A photovoltaic module includes the aforementioned photovoltaic frame and a laminate; the laminate overlaps the supporting surface, and the snap-fit ​​member and / or the snap-fit ​​structure are used to abut against the end face of the laminate and to limit the fit with the end face along the thickness direction of the laminate.

[0026] In one embodiment, the laminate includes a front panel and a back panel, the front panel being connected to the back panel;

[0027] The snap-fit ​​component has a first limiting surface that abuts against and limits the end face of the front panel, and the shape of the first limiting surface matches the end face of the front panel.

[0028] The snap-fit ​​structure is provided with a second limiting surface that abuts against and limits the end face of the back plate, and the shape of the second limiting surface matches the end face of the back plate.

[0029] In one embodiment, the back panel has a protrusion that extends beyond the front panel, and the protrusion faces the front panel and abuts against and limits the snap-fit ​​member.

[0030] A method for assembling the photovoltaic module, the method comprising the following steps:

[0031] The laminate is aligned and placed on the support surface of the photovoltaic frame;

[0032] The snap-fit ​​component is snapped onto the snap-fit ​​structure, such that the snap-fit ​​component and / or the snap-fit ​​structure abut against the end face of the laminate and are limited and engaged with the end face along the thickness direction of the laminate.

[0033] The aforementioned photovoltaic frame, photovoltaic module, and assembly method, on the one hand, involve a snap-fit ​​component installed inside a slot to engage with a snap-fit ​​structure. Simultaneously, the snap-fit ​​component and / or the snap-fit ​​structure abut against the end face of the laminate and limit its position along the thickness direction of the laminate. This ensures the laminate is stably mounted on the support surface, preventing it from detaching upwards from the photovoltaic frame. On the other hand, since S1≤D and S2≤D, neither the snap-fit ​​component nor the snap-fit ​​structure protrudes upwards from the front of the laminate. This allows dust on the front of the laminate to be easily washed away by rainwater, achieving self-cleaning of the photovoltaic module, reducing maintenance costs, and effectively preventing dust accumulation. Attached Figure Description

[0034] Figure 1 This is a structural diagram of a laminate according to an embodiment of this application.

[0035] Figure 2 This is a structural diagram of a laminate according to another embodiment of this application.

[0036] Figure 3 This is a structural diagram of a photovoltaic module according to the first embodiment of this application.

[0037] Figure 4 for Figure 3 Enlarged structural diagram at point A.

[0038] Figure 5 This is a structural diagram of a photovoltaic module according to the second embodiment of this application.

[0039] Figure 6a for Figure 5 An enlarged structural diagram of an embodiment at point B.

[0040] Figure 6b for Figure 5An enlarged structural diagram of another embodiment at point B.

[0041] Figure 7 This is a structural diagram of the frame body and snap-fit ​​structure of a photovoltaic frame according to an embodiment of this application.

[0042] Figure 8a This is a structural diagram of a photovoltaic frame snap-fit ​​component according to an embodiment of this application.

[0043] Figure 8b This is a structural diagram of the snap-fit ​​component of a photovoltaic frame according to another embodiment of this application.

[0044] Figure 9 This is a structural diagram of a photovoltaic module according to the third embodiment of this application.

[0045] Figure 10 This is a structural diagram of a photovoltaic module according to the fourth embodiment of this application.

[0046] Figure 11 This is a structural diagram of a photovoltaic module according to the fifth embodiment of this application.

[0047] Figure 12 This is a structural diagram of a photovoltaic module according to the sixth embodiment of this application.

[0048] Figure 13 The assembly and working state of the photovoltaic module according to the first embodiment of this application. Figure 1 .

[0049] Figure 14 The assembly and working state of the photovoltaic module according to the first embodiment of this application. Figure 2 .

[0050] Figure 15 The assembly and working state of the photovoltaic module according to the first embodiment of this application. Figure 3 .

[0051] 10. Laminated component; 11. Front panel; 12. Back panel; 121. Protrusion; 13. End face; 14. Back side; 15. Front side; 20. Photovoltaic frame; 21. Frame body; 211. First sidewall; 212. Second sidewall; 213. Third sidewall; 214. Fourth sidewall; 22. Snap-fit ​​structure; 221. Slot; 222. First isolation wall; 223. Second isolation wall; 2231. Second guide surface; 224. First anti-slip part; 22 5. Second limiting surface; 23. Snap-fit ​​component; 231. Holding part; 232. Limiting part; 2321. First guiding surface; 2322. First connecting surface; 2323. Second connecting surface; 2324. First limiting surface; 2325. Avoidance surface; 233. Second anti-slip part; 24. Support part; 241. Support surface; 242. First support member; 243. Second support member; 244. Recess; 25. Glue groove; 251. Adhesive; 26. Barrier component. Detailed Implementation

[0052] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0053] It should be noted that, for ease of description and understanding, the terms "up" and "down" in this embodiment refer to the state of the photovoltaic module when it is in normal use. The direction in which the photovoltaic module faces the ground is down, the direction in which it faces away from the ground is up, and the vertical direction is up and down.

[0054] It should be noted that you should refer to [link / reference]. Figure 1 or Figure 2 In this embodiment, the laminate 10 includes a front panel 11, a first adhesive layer, solar cells, a second adhesive layer, and a back sheet 12, which are sequentially connected. When the photovoltaic module is in normal use, the front panel 11 typically faces away from the ground to maximize the reception of sunlight. Therefore, in this embodiment, the front panel 11 is designed as a light-transmitting panel, specifically, for example, a glass panel, allowing sunlight to pass through the front panel 11 and reach the solar cells, thereby generating electricity. Furthermore, when the photovoltaic module is in normal use, the back sheet 12 typically faces the ground; therefore, it can be either a light-transmitting panel or an opaque panel, and this is not limited to either.

[0055] The laminate 10 specifically includes two types: double-glass laminate and single-glass laminate. For the double-glass laminate 10, the back sheet 12 is specifically set as a light-transmitting plate, so that light from the back side 14 of the laminate 10 can also pass through the back sheet 12 to illuminate the solar cell, thereby improving photoelectric efficiency. For the single-glass laminate, the back sheet 12 can be set as an opaque plate.

[0056] Please refer to Figure 1 The size of the back plate 12 can be the same as that of the front panel 11, so that when the back plate 12 and the front panel 11 are stacked together, the outer periphery of the back plate 12 and the outer periphery of the front panel 11 are aligned with each other along the thickness direction of the laminate 10. Hereinafter, the outer periphery of the back plate 12 and the outer periphery of the front panel 11 are both referred to as the end face 13 of the laminate 10.

[0057] Of course, please see Figure 2 The size of the back panel 12 can also be larger than the size of the front panel 11. For example, the width of the back panel 12 is greater than the width of the front panel 11, or the length of the back panel 12 is greater than the length of the front panel 11, or both the width and length of the back panel 12 are greater than the width and length of the front panel 11, depending on actual needs. When the size of the back panel 12 is greater than the size of the front panel 11, there is a misalignment between the back panel 12 and the front panel 11 along the thickness direction of the laminate 10. In other words, at least one side of the back panel 12 protrudes beyond the area of ​​the front panel 11. Specifically, the back panel 12 has a protrusion 121 that protrudes beyond the front panel 11.

[0058] See Figure 3 and Figure 6a , Figure 3 A structural diagram of a photovoltaic module according to the first embodiment of this application is shown. Figure 4 It shows Figure 3 Enlarged structural diagram at point A. Figure 5 A structural diagram of a photovoltaic module according to a second embodiment of this application is shown. Figure 6a It shows Figure 5 Enlarged structural diagram at point B. Figure 5 and Figure 3 The main difference lies in the type of laminate 10.

[0059] One embodiment of this application provides a photovoltaic frame 20 for mounting a laminate 10. The photovoltaic frame 20 has a support surface 241 for supporting the laminate 10. In other words, the assembly relationship of the laminate 10 on the photovoltaic frame 20 is such that the back side 14 of the laminate 10 (that is, the side of the back panel 12 facing away from the front panel 11) overlaps the support surface 241. In this way, the support surface 241 supports the edge of the back side 14 of the laminate 10, thus providing stable support for the laminate 10.

[0060] For example, the photovoltaic frame 20 includes a frame body 21 and a snap-fit ​​structure 22 connected to the frame body 21. Optionally, the snap-fit ​​structure 22 and the frame body 21 are integrally formed by extrusion. Specifically, the snap-fit ​​structure 22 and the frame body 21 are integrally formed by extrusion of aluminum. In this way, the snap-fit ​​structure 22 and the frame body 21 can be mass-produced, and the combined structure of the snap-fit ​​structure 22 and the frame body 21 is stable and reliable.

[0061] In addition, the photovoltaic frame 20 also includes a snap-fit ​​member 23 that engages with the snap-fit ​​structure 22. The snap-fit ​​member 23 and / or the snap-fit ​​structure 22 are used to abut against the end face 13 of the laminate 10 and to limit the engagement with the end face 13 along the thickness direction of the laminate 10.

[0062] The snap-fit ​​component 23 includes a snap-fit ​​portion 231 and a limiting portion 232 connected to the snap-fit ​​portion 231. The snap-fit ​​structure 22 has a snap-fit ​​groove 221, and the snap-fit ​​portion 231 is snap-fitted into the groove 221. The limiting portion 232 is used to abut against the end face 13 of the laminate 10 and to limit its engagement with the end face 13 along the thickness direction of the laminate 10. Specifically, the limiting portion 232 can abut against and limit the end face 13 of the front panel 11, or abut against and limit the end face 13 of the back panel 12, or abut against and limit the end face 13 of both the front panel 11 and the back panel 12.

[0063] Of course, as some alternatives, the snap-fit ​​23 can also be positioned by abutting against the side of the back plate 12 facing the front panel 11. At the same time, the snap-fit ​​structure 22 abuts against the end face 13 of the laminate 10 and is positioned in the thickness direction, specifically abutting against the end face 13 of the back plate 12 and being positioned in the thickness direction.

[0064] Please see Figure 5 and Figure 6a The distance between the surface of the snap-fit ​​23 facing away from and furthest from the support surface 241 and the support surface 241 is set as S1, the distance between the surface of the snap-fit ​​structure 22 facing away from and furthest from the support surface 241 and the support surface 241 is set as S2, and the thickness of the laminate 10 is set as D, where S1≤D and S2≤D.

[0065] Optionally, since the snap-fit ​​component 23 is closer to the laminate 10 than the snap-fit ​​structure 22, S2≤S1, which can achieve a better dust-proof effect.

[0066] The aforementioned photovoltaic frame 20 has two aspects. First, the snap-fit ​​component 23 is snapped into the slot 221 via the snap-fit ​​part 231 to achieve snap-fit ​​engagement with the snap-fit ​​structure 22. At the same time, the snap-fit ​​component 23 abuts against the end face 13 of the laminate 10 via the limiting part 232 and is limited to the end face 13 along the thickness direction of the laminate 10. This allows the laminate 10 to be stably installed on the support surface 241, preventing the laminate 10 from detaching upward from the photovoltaic frame 20. Second, since S1≤D and S2≤D, neither the snap-fit ​​component 23 nor the snap-fit ​​structure 22 will protrude upward from the front surface 15 of the laminate 10. As a result, the dust on the front surface 15 of the laminate 10 can be easily washed away by rainwater, achieving self-cleaning of the photovoltaic module, reducing maintenance costs, and effectively preventing dust accumulation.

[0067] Based on the aforementioned embodiments, the photovoltaic frame 20 further includes a support portion 24. The support portion 24 is disposed at one end of the frame body 21 where the snap-fit ​​structure 22 is formed, and the support surface 241 is disposed on the side of the support portion 24 facing away from the frame body 21. In this way, the back surface 14 of the laminate 10 overlaps with the support portion 24 and is supported on the support surface 241, ensuring the installation stability of the laminate under the support of the support portion 24.

[0068] For example, the support 24, the frame body 21, and the snap-fit ​​structure 22 are integrally extruded. Specifically, the support 24, the frame body 21, and the snap-fit ​​structure 22 are integrally extruded from, for example, aluminum.

[0069] Optionally, the support portion 24 includes a first support member 242 and a second support member 243. The first support member 242 is connected to the frame body 21 and the second support member 243 on opposite sides, respectively. The support surface 241 is specifically formed on the second support member 243. The specific shapes of the first support member 242 and the second support member 243 can be independently and flexibly adjusted and set according to their respective actual needs, including but not limited to being set as plates. As a specific example, the first support member 242 and the second support member 243 are both support plates and are set at an angle to each other. The angle formed by the first support member 242 and the second support member 243 includes, but is not limited to, 30°, 45°, 60°, 90°, 120° or 150°, etc. In this embodiment, the first support member 242 and the second support member 243 are set perpendicular to each other, with the first support member 242 set in the vertical direction and the second support member 243 set in the horizontal direction. Thus, the first support member 242 and the second support member 243 are set in an L-shape. The first support member 242 and the second support member 243 have relatively regular structures, which not only facilitates extrusion processing but also provides effective and stable support for the laminate 10.

[0070] Specifically, the support 24, the snap-fit ​​structure 22, and the frame body 21 enclose a glue-applying groove 25. The glue-applying groove 25 is located below the back surface 14 of the laminate 10, and the opening of the groove 25 faces the back surface 14 of the laminate 10. With this configuration, during the assembly of the photovoltaic module, adhesive 251 can be first applied to the inside of the glue-applying groove 25. Then, the laminate 10 is installed on the support surface 241 of the photovoltaic frame 20 from top to bottom. The back surface 14 of the laminate 10 presses the adhesive 251 and overlaps with the support surface 241 and the groove opening. The adhesive 251 in the glue-applying groove 25 contacts the outer wall surface of the laminate 10, thus bonding and fixing the laminate 10. It can be seen that the laminate 10 is not only snapped and fixed by the snap-fit ​​structure 23, but also bonded and fixed by the adhesive 251, thereby being stably installed on the photovoltaic frame 20. Furthermore, the glue coating tank 25 is formed by the support part 24, the snap-fit ​​structure 22 and the frame body 21. The shape of the glue coating tank 25 is, for example, U-shaped or roughly U-shaped, which limits the adhesive 251 contained inside on both sides. When the adhesive 251 is squeezed, it collides with the inner wall of the glue coating tank 25 and moves inward. Compared with a tank with unilateral limiting, it can reduce the overflow of adhesive 251 during assembly, thereby effectively reducing cleaning difficulty and improving production efficiency.

[0071] In one embodiment, the support surface 241 has a recess 244. Optionally, there may be one recess 244, or multiple recesses 244 arranged sequentially in a direction away from the snap-fit ​​structure 22. With this arrangement, during the assembly of the photovoltaic module, the adhesive 251 inside the adhesive groove 25 can overflow into the recesses 244 on the support surface 241 under the pressure of the laminate 10. The recesses 244 increase the amount of adhesive 251 on the support surface 241, thereby improving the adhesion between the support surface 241 and the laminate 10. Furthermore, the more recesses 244 there are, the more adhesive 251 is on the support surface 241, thus improving the adhesion between the support surface 241 and the laminate 10.

[0072] The orthographic projection outline of the recess 244 on the support surface 241 can be set as a strip and extend along the longitudinal direction of the support portion 24. The orthographic projection outline of the recess 244 on the support surface 241 can also be set as a circle, rectangle, triangle, or other regular or irregular shape, and arranged in a multi-point manner, for example, along the longitudinal direction of the support portion 24. In this way, each part of the support portion 24 along its longitudinal direction is bonded to the laminate 10 by adhesive 251, ensuring a stable adhesion of the laminate 10 to the photovoltaic frame 20 and preventing it from easily loosening.

[0073] In one embodiment, the photovoltaic frame 20 further includes a barrier 26 extending along its longitudinal direction. The barrier 26 is disposed on the support surface 241 on the side opposite to the snap-fit ​​structure 22. Thus, during the assembly of the photovoltaic module, when the adhesive 251 inside the adhesive coating tank 25 overflows onto the support surface 241 under the pressure of the laminator 10, the barrier 26 abuts against the back side 14 of the laminator 10 to form a closed space, thereby effectively blocking the adhesive 251 and preventing it from overflowing. This effectively reduces cleaning difficulty and improves production efficiency.

[0074] Optionally, the barrier 26 may include, but is not limited to, a barrier sheet, a barrier plate, or a barrier block. The side of the barrier 26 that abuts against the back surface 14 of the laminate 10 is a flat surface, thereby forming a good seal when it abuts against the back surface 14 of the laminate 10, effectively preventing the adhesive 251 from overflowing.

[0075] In one embodiment, the barrier 26 is a solid adhesive. Thus, the barrier 26 has adhesive properties, enabling the laminate 10 to be bonded and fixed to the support surface 241, enhancing the installation stability of the laminate 10 on the photovoltaic frame 20. Furthermore, when the barrier 26 is made of solid adhesive, it also acts as a barrier against overflowing adhesive 251, effectively preventing the adhesive 251 inside the adhesive applicator 25 from overflowing.

[0076] Solid adhesives include, but are not limited to, various types of solid adhesives such as high-viscosity silicone, heat-sensitive adhesives, 3M adhesives, or PVB adhesives. Specifically, 3M adhesives are preferred, such as 3M double-sided tape.

[0077] Furthermore, the adhesive 251 in this embodiment includes, but is not limited to, various types of liquid adhesives such as PU adhesive, TPU adhesive, PVB adhesive, EVA or SGP adhesive. Thus, when liquid adhesive is used for adhesive 251, it flows easily during assembly, thereby effectively ensuring the stable bonding and fixation of the back side 14 of the laminate 10 to the photovoltaic frame 20.

[0078] Please see Figure 5 and Figure 6aIn one embodiment, the snap-fit ​​structure 22 includes a first partition wall 222 and a second partition wall 223. The first partition wall 222 and the second partition wall 223 are disposed on the frame body 21 at intervals, and a snap-fit ​​groove 221 is defined between them. Specifically, the second partition wall 223 is disposed on the side of the first partition wall 222 facing away from the support portion 24; the distance between the part of the second partition wall 223 furthest from the support surface 241 and the support surface 241 is set as S2, and the distance between the part of the first partition wall 222 furthest from the support surface 241 and the support surface 241 is set as S3, where S2 ≥ S3. This configuration serves several purposes. First, the retaining part 231 is securely mounted inside the slot 221 defined between the first isolation wall 222 and the second isolation wall 223, ensuring that the retaining part 23 is firmly connected to the retaining structure 22. Second, before the retaining part 23 is installed, the slot 221 acts as an overflow tank. When adhesive 251 overflows, it enters the slot 221 through its opening and is collected there, preventing the adhesive 251 from overflowing. This solves the problem of overflowing adhesive and reduces cleaning pressure. Furthermore, since S2 ≥ S3, the adhesive 251 inside the adhesive coating tank 25 can easily overflow into the slot 221, while the second isolation wall 223 acts as a barrier, preventing the adhesive 251 from overflowing. This effectively reduces cleaning difficulty and improves production efficiency.

[0079] Of course, as an alternative, S2 can be smaller than S3. Card slot 221 also functions as an overflow groove.

[0080] Please see Figure 5 and Figure 6a For example, the side of the limiting part 232 facing the second partition wall 223 is flush with the side of the holding part 231 facing the second partition wall 223. With this configuration, the side of the latching member 23 facing the second partition wall 223 is specifically designed as a plane, thereby facilitating the insertion of the latching member 23 into the slot 221 from top to bottom.

[0081] For example, the limiting part 232 protrudes from the side of the retaining part 231 facing the second partition wall 223 on the side opposite to the second partition wall 223. In this way, the side of the limiting part 232 facing away from the second partition wall 223 can be provided to protrude toward the end face 13 of the laminate 10, so that the side of the limiting part 232 facing away from the second partition wall 223 abuts against the end face 13 of the laminate 10 and is limited and engaged with the end face 13 along the thickness direction of the laminate 10.

[0082] For example, the limiting part 232 overlaps the top of the first isolation wall 222. Thus, when the snap-fit ​​part 23 is installed in place on the snap-fit ​​structure 22, the first isolation wall 222 and the limiting part 232 abut and limit each other, so that the snap-fit ​​part 23 is stably snapped onto the snap-fit ​​structure 22, which can improve the installation stability of the laminate 10 on the photovoltaic frame 20.

[0083] Please see Figure 6a In some embodiments, the limiting part 232 has a first guide surface 2321 on the side facing away from the first isolation wall 222, and the second isolation wall 223 has a second guide surface 2231 on the part facing away from the frame body 21. Thus, by flexibly adjusting and setting the height and shape of the first guide surface 2321 and the second guide surface 2231 relative to the supporting surface 241, accumulated dust on the front surface 15 of the laminate 10 can be smoothly discharged outwards through the first guide surface 2321 and the second guide surface 2231 under the washing of rainwater. This enables the photovoltaic module to have an anti-dust accumulation function, thereby improving photoelectric efficiency and service life.

[0084] Please see Figure 4 , Figure 6a or Figure 11 For example, both the first guide surface 2321 and the second guide surface 2231 are planar and flush with each other, and both are parallel to the support surface 241. Furthermore, the first guide surface 2321 and the second guide surface 2231 can also be flush with or slightly lower than the front surface 15 of the laminate 10. This facilitates the removal of accumulated dust on the front surface 15 of the laminate 10 through the first guide surface 2321 and the second guide surface 2231 under the washing action of rainwater. In addition, it enables a full-screen design, can be installed horizontally or vertically, and has a good dust-prevention effect.

[0085] Please see Figure 9 For example, the distance between the second guide surface 2231 and the support surface 241 is smaller than the distance between the first guide surface 2321 and the support surface 241. Specifically, the second guide surface 2231 can also be flush with the front surface 15 of the laminate 10, or slightly lower than the front surface 15 of the laminate 10. In this embodiment, the second guide surface 2231 is set to be flush with the front surface 15 of the laminate 10. This also facilitates the smooth removal of accumulated dust on the front surface 15 of the laminate 10 by rainwater through the first guide surface 2321 and the second guide surface 2231. In addition, it enables a full-screen design, can be installed horizontally or vertically, and has a good dust-proof effect.

[0086] Please continue reading. Figure 9 To better guide rainwater, the first guiding surface 2321 has a chamfer on the side opposite to the supporting surface 241, and the second guiding surface 2231 also has a chamfer on the side opposite to the supporting surface 241. This allows rainwater to drain more easily under the guidance of the chamfers, and also reduces the risk of injury to hands during installation.

[0087] Please see Figure 10For example, the first guide surface 2321 includes a first connecting surface 2322 and a second connecting surface 2323. The first connecting surface 2322 is connected to the second connecting surface 2323. The first connecting surface 2322 is parallel to the support surface 241. The second connecting surface 2323 is closer to the second guide surface 2231 than the first connecting surface 2322. The second connecting surface 2323 extends to the second guide surface 2231 from the side opposite to the first connecting surface 2322. The distance between the second connecting surface 2323 and the second guide surface 2231 and the support surface 241 decreases in a direction away from the first connecting surface 2322. Thus, on the one hand, the first guiding surface 2321 and the second guiding surface 2231 play a good guiding role for rainwater and have a good anti-dust accumulation effect; on the other hand, the first connecting surface 2322 can also be flush with the front surface 15 of the laminate 10 or slightly lower than the front surface 15 of the laminate 10. The first connecting surface 2322 can ensure that the thickness of the contact part between the limiting part 232 and the end surface 13 is large, thereby ensuring that the laminate 10 is stably limited on the photovoltaic frame 20.

[0088] Please continue reading. Figure 10 Specifically, both the second connecting surface 2323 and the second guiding surface 2231 are set at an angle to the supporting surface 241. More specifically, the angles formed by the second connecting surface 2323 and the second guiding surface 2231 with the supporting surface 241 are the same.

[0089] In one embodiment, the inner wall of the slot 221 is provided with a first anti-slip part 224, and the outer wall of the holding part 231 is provided with a second anti-slip part 233 corresponding to the position of the first anti-slip part 224. The first anti-slip part 224 and the second anti-slip part 233 are in close contact. With this configuration, when the holding part 231 is inserted into the slot 221, the first anti-slip part 224 and the second anti-slip part 233 are in close contact with each other, increasing the friction force, which enables the fastener 23 to be stably installed on the fastening structure 22, effectively preventing the fastener 23 from detaching from the fastening structure 22, thereby improving the installation stability of the laminate 10 on the photovoltaic frame 20.

[0090] The first anti-slip part 224 includes, but is not limited to, various forms of anti-slip structures such as serrations, anti-slip bumps, or anti-slip patterns. These can be flexibly adjusted and set according to actual needs, and are not limited here. Similarly, the second anti-slip part 233 includes, but is not limited to, various forms of anti-slip structures such as serrations, anti-slip bumps, or anti-slip patterns. These can be flexibly adjusted and set according to actual needs, and are not limited here.

[0091] In one specific embodiment, the first anti-slip part 224 is configured with serrations and disposed on the first isolation wall 222, and the second anti-slip part 233 is configured with serrations and disposed on the side of the holding part 231 facing the first isolation wall 222.

[0092] For example, the extending direction of the retaining part 231 is perpendicular to the supporting surface 241, and both the first partition wall 222 and the second partition wall 223 are perpendicular to the supporting surface 241. Thus, during the process of snapping the snap-fit ​​member 23 into the slot 221, the snap-fit ​​member 23 can be pressed in the vertical direction, which facilitates the installation of the snap-fit ​​member 23 onto the snap-fit ​​structure 22 and improves installation efficiency.

[0093] Generally speaking, the end face 13 of the front panel 11 is set to be curved, and the end face 13 of the back panel 12 is set to be curved.

[0094] For example, the limiting part 232 is provided with a first limiting surface 2324 for abutting and limiting the end face 13 of the front panel 11 of the laminate 10. The first limiting surface 2324 is set as an arc-shaped surface. By making full use of the arc-shaped feature of the end face 13 of the front panel 11, when the first limiting surface 2324 is set as an arc-shaped surface, the shape of the first limiting surface 2324 matches the end face 13 of the front panel 11, which can realize the pressing and fixing of the front panel 11 of the laminate 10, maximize the protection of the mechanical load of the module, and ultimately enable the photovoltaic frame 20 without A-side to be used normally.

[0095] Optionally, the arc angle of the first limiting surface 2324 may include, but is not limited to, 30°, 40°, 45°, 50°, 55°, 60°, 70°, 80°, 90°, 100°, 120°, 150°, 170°, 180°, 190°, or 200°, etc., and can be flexibly adjusted and set according to actual needs. In this embodiment, the arc angle of the first limiting surface 2324 is specifically, for example, 80° to 100°, which facilitates the contact and limiting of the snap-fit ​​member 23 against the end face 13 of the front panel 11.

[0096] In one embodiment, please refer to [the relevant documentation]. Figures 3 to 6bThe first limiting surface 2324 is specifically located on the side of the limiting portion 232 facing the laminate 10. Optionally, the side of the limiting portion 232 facing the laminate 10 also includes a clearance surface 2325. The clearance surface 2325 can avoid the end face 13 of the front panel 11; in other words, the clearance surface 2325 and the end face 13 of the front panel 11 do not interfere with each other along the thickness direction of the laminate 10. The clearance surface 2325 is connected to the first limiting surface 2324, and the clearance surface 2325 is located at the lower part of the first limiting surface 2324. The side of the clearance surface 2325 opposite to the first limiting surface 2324 is connected to the bottom surface of the limiting portion 232 (that is, the part of the limiting portion 232 facing the frame body 21) or the holding portion 231, and the side of the first limiting surface 2324 opposite to the clearance surface 2325 is connected to the first guide surface 2321. With this configuration, when the limiting member 23 is installed onto the snap-fit ​​structure 22 from top to bottom, the clearance surface 2325 of the limiting part 232 can avoid the end face 13 of the front panel 11 and does not interfere with the end face 13 of the front panel 11 along the thickness direction of the laminate 10. Thus, the limiting member 23 can be smoothly installed onto the snap-fit ​​structure 22. At the same time, the first limiting surface 2324 presses against the end face 13 of the front panel 11 to limit the laminate 10, ensuring the installation stability of the laminate 10 on the photovoltaic frame 20.

[0097] Optionally, the clearance surface 2325 may be one or any combination of a plane, an arc surface, and a polygonal surface, as long as it can avoid the end face 13 of the front panel 11 and prevent the clearance surface 2325 and the end face 13 of the front panel 11 from interfering with each other along the thickness direction of the laminate 10.

[0098] Based on the foregoing embodiments, please refer to Figure 3 and Figure 4 The clearance surface 2325 is, for example, a plane and perpendicular to the front surface of the laminate 10. The clearance surface 2325 is also tangent to the first limiting surface 2324. Thus, on the one hand, for the laminate 10 whose width dimension of the back panel 12 is larger than that of the front panel 11, while the first limiting surface 2324 is pressed against the end face 13 of the front panel 11, the bottom surface of the limiting part 232 simultaneously presses against the protrusion 121 of the back panel 12, thereby enabling the laminate 10 to be stably mounted on the photovoltaic frame 20; on the other hand, the size of the limiting part 232 is larger, thereby improving the structural strength of the limiting part 232 and ensuring stable pressing of the laminate 10.

[0099] In addition, please see Figure 6a For a laminate 10 whose back panel 12 has a width equal to the front panel 11, the first limiting surface 2324 presses against the end face 13 of the front panel 11, while the bottom surface of the limiting part 232 simultaneously presses against the top surface of the first isolation wall 222, thereby improving the installation stability of the laminate 10 on the photovoltaic frame 20.

[0100] Please refer to these as some alternative options. Figure 6a and Figure 6b and comparative reference Figure 8a and Figure 8b The clearance surface 2325 is not limited to being perpendicular to the front surface of the laminate 10, that is, not limited to being perpendicular to the bottom surface of the limiting part 232. It can also be, for example, inclined relative to the bottom surface of the limiting part 232, and the bottom end of the clearance surface 2325 extends away from the laminate 10. Optionally, the angle formed between the clearance surface 2325 and the top surface of the limiting part 232 (that is, the first guide surface 2321) is, but not limited to, 30° to 90°. The specific setting can be flexibly adjusted and set according to actual needs.

[0101] For example, the snap-fit ​​structure 22 is used to abut against the end face 13 of the back plate 12 of the laminate 10, and is engaged in a limiting fit along the thickness direction of the laminate 10. Thus, with the snap-fit ​​member 23 limiting the front panel 11 of the laminate 10, the snap-fit ​​structure 22 abuts against the end face 13 of the back plate 12 of the laminate 10, simultaneously limiting the end face 13 of the back plate 12 of the laminate 10. The installation stability of the laminate 10 on the photovoltaic frame 20 is enhanced, thereby enabling the laminate 10 to be stably installed on the photovoltaic frame 20.

[0102] Specifically, the snap-fit ​​structure 22 is provided with a second limiting surface 225 for abutting and limiting the end face 13 of the back plate 12 of the laminate 10. The second limiting surface 225 is set as an arc-shaped surface. This setting makes full use of the arc-shaped feature of the end face 13 of the back plate 12. When the second limiting surface 225 is set as an arc-shaped surface, the shape of the second limiting surface 225 matches the end face 13 of the back plate 12, which can realize the pressing and fixing of the back plate 12 of the laminate 10, maximize the protection of the mechanical load of the module, and ultimately enable the photovoltaic frame 20 without A-side to be used normally.

[0103] Furthermore, the second limiting surface 225 matches the shape of the end face 13 of the back plate 12, which not only improves the sealing performance and prevents the adhesive 251 from overflowing, but also, during the step of assembling the laminate 10 downwards into the photovoltaic frame 20, the adhesive 251 is squeezed by the back plate 12 of the laminate 10, and the second limiting surface 225 can guide the adhesive 251 to wrap around the end face 13 of the back plate 12. This is conducive to achieving stable bonding and fixation of the laminate 10 to the photovoltaic frame 20.

[0104] Optionally, the arc angle of the second limiting surface 225 includes, but is not limited to, 30°, 40°, 45°, 50°, 55°, 60°, 70°, 80°, 90°, 100°, 120°, 150°, 170°, 180°, 190°, or 200°, etc., and can be flexibly adjusted and set according to actual needs. In this embodiment, the arc angle of the second limiting surface 225 is specifically, for example, 170° to 190°, and the radius corresponding to the second limiting surface 225 is larger than the radius of the end face 13 of the back plate 12, with a ratio of, for example, 1.2 to 1.5. In this way, not only can the end face 13 of the back plate 12 be snapped and fixed, but the snapping structure 22 can also be used to abut and limit the end face 13 of the back plate 12.

[0105] Specifically, in this embodiment, the second limiting surface 225 is formed on the side of the first isolation wall 222 facing the back plate 12.

[0106] The bottom shape of the card slot 221 can be flexibly adjusted and set according to actual needs, including but not limited to various regular shapes such as rectangles, triangles, and squares, or other irregular shapes. Specifically, it can be flexibly adjusted and designed according to the space size or the strength of the photovoltaic frame 20.

[0107] The structural form of the frame body 21 can be flexibly adjusted and designed according to actual needs, and is not limited here. For example, the frame body 21 includes a first sidewall 211, a second sidewall 212, a third sidewall 213, and a fourth sidewall 214. The first sidewall 211, second sidewall 212, third sidewall 213, and fourth sidewall 214 are connected sequentially. The first sidewall 211, second sidewall 212, third sidewall 213, and fourth sidewall 214 enclose a cavity. When there are multiple photovoltaic frames 20 and they are sequentially spliced ​​together, corner brackets can be inserted into the cavity to realize the splicing and combination of multiple photovoltaic frames 20 together.

[0108] The snap-fit ​​structure 22 and the support portion 24 are specifically connected to the outer surface of the first sidewall 211, for example.

[0109] The design of the outer surface of the second sidewall 212 can be flexibly adjusted and set according to actual needs, and is not limited here. For example, the outer surface of the second sidewall 212 can be flush with the surface of the second partition wall 223 facing away from the first partition wall 222, that is, as shown in the figure. Figure 10 or Figure 11 As shown; for example, the outer surface of the second sidewall 212 can also be designed to be recessed relative to the second partition wall 223 and facing away from the first partition wall 222, that is, as shown Figure 12 As shown.

[0110] Please see Figures 3 to 6aIn one embodiment, another embodiment of this application provides a photovoltaic module, which includes a photovoltaic frame 20 of any of the above embodiments and a laminate 10. The laminate 10 overlaps on a support surface 241, and a snap-fit ​​member 23 and / or a snap-fit ​​structure 22 is used to abut against the end face 13 of the laminate 10 and to limit the engagement with the end face 13 along the thickness direction of the laminate 10.

[0111] The aforementioned photovoltaic module, including the aforementioned photovoltaic frame 20, achieves its technical effects through the photovoltaic frame 20, and its beneficial effects include those of the photovoltaic frame 20, which will not be elaborated further here.

[0112] Specifically, the locking member 23 has a limiting part 232 with a first limiting surface 2324 that abuts against and limits the end face 13 of the front panel 11. The first limiting surface 2324 matches the shape of the end face 13 of the front panel 11. In this way, the first limiting surface 2324 can fully abut against the end face 13 of the front panel 11, thereby effectively preventing the laminate 10 from detaching upwards, and making the laminate 10 stably mounted on the photovoltaic frame 20.

[0113] Specifically, the end face 13 of the front panel 11 is arc-shaped, and the first limiting surface 2324 is correspondingly set to an arc-shaped surface. Of course, when the end face 13 of the front panel 11 is set to other shapes, such as triangles, trapezoids or other irregular shapes, the first limiting surface 2324 is correspondingly set to triangles, trapezoids or other irregular shapes.

[0114] The snap-fit ​​structure 22 is provided with a second limiting surface 225 that abuts against and limits the end face 13 of the back plate 12. The shape of the second limiting surface 225 matches that of the end face 13 of the back plate 12. In this way, the second limiting surface 225 can fully abut against the end face 13 of the back plate 12, thereby effectively preventing the laminate 10 from detaching upwards, so that the laminate 10 is stably installed on the photovoltaic frame 20.

[0115] Specifically, the end face 13 of the back plate 12 is arc-shaped, and the second limiting surface 225 is correspondingly arc-shaped. Of course, when the end face 13 of the back plate 12 is set to other shapes, such as triangles, trapezoids or other irregular shapes, the second limiting surface 225 is correspondingly set to triangles, trapezoids or other irregular shapes.

[0116] In one embodiment, the back panel 12 has a protrusion 121 extending beyond the front panel 11. The side of the protrusion 121 facing the front panel 11 abuts against and limits the limiting portion 232. Thus, the limiting portion 232 not only abuts against and limits the end face 13 of the front panel 11, but also abuts against and limits the protrusion 121 of the back panel 12, thereby ensuring that the laminate 10 is securely mounted on the photovoltaic frame 20, effectively preventing the laminate 10 from detaching upwards, and enhancing reliability.

[0117] Please see Figures 13 to 15 , Figures 13 to 15 The diagrams show three different states during the assembly of the photovoltaic module according to the first embodiment of this application. In one embodiment, another embodiment of this application provides a method for assembling a photovoltaic module using any of the above embodiments. The assembly method includes the following steps:

[0118] Step S100: Align and place the laminate 10 on the support surface 241 of the photovoltaic frame 20;

[0119] Step S200: The snap-fit ​​component 23 is snap-fitted onto the snap-fit ​​structure 22, so that the snap-fit ​​component 23 and / or the snap-fit ​​structure 22 abut against the end face 13 of the laminate 10 and are limited to fit the end face 13 along the thickness direction of the laminate 10.

[0120] In the aforementioned photovoltaic module assembly method, since the laminate 10 is stationary when placed on the support surface 241, the snap-fit ​​component 23 is vertically snapped onto the snap-fit ​​structure 22. Simultaneously, the snap-fit ​​component 23 and / or the snap-fit ​​structure 22 abut against the end face 13 of the laminate 10 and are positioned and limited along the thickness direction of the laminate 10. This not only enables rapid assembly of the photovoltaic modules but also reduces the risk of component breakage during the assembly process.

[0121] Specifically, before step S100, step S10 is included, in which adhesive 251 is applied to the adhesive groove 25 of the photovoltaic frame 20. In this way, the back side 14 of the laminate 10 is bonded and fixed to the support surface 241 and the adhesive groove 25, and can be stably installed on the photovoltaic frame 20.

[0122] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0123] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0124] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0125] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0126] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0127] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0128] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A photovoltaic frame (20), the photovoltaic frame (20) being used to mount a laminate (10), the photovoltaic frame (20) having a support surface (241) for supporting the laminate (10), characterized in that, The photovoltaic frame (20) includes: Border body (21); The snap-fit ​​structure (22) is disposed on the frame body (21); and A snap-fit ​​component (23) engages with a snap-fit ​​structure (22), wherein the snap-fit ​​component (23) and / or the snap-fit ​​structure (22) are used to abut against the end face (13) of the laminate (10) and to limit the engagement with the end face (13) along the thickness direction of the laminate (10); The distance between the part of the snap-fit ​​member (23) furthest from the support surface (241) and the support surface (241) is set as S1, the distance between the part of the snap-fit ​​structure (22) furthest from the support surface (241) and the support surface (241) is set as S2, and the thickness of the laminate (10) is set as D, S1≤D, S2≤D; The snap-fit ​​component (23) includes a snap-fit ​​part (231) and a limiting part (232) connected to the snap-fit ​​part (231). The snap-fit ​​structure (22) includes a first isolation wall (222) and a second isolation wall (223). The first isolation wall (222) and the second isolation wall (223) are spaced apart on the frame body (21). A snap-fit ​​groove (221) is defined between the first isolation wall (222) and the second isolation wall (223). The snap-fit ​​part (231) is snap-fitted into the inside of the snap-fit ​​groove (221). The distance between the part of the second isolation wall (223) furthest from the support surface (241) and the support surface (241) is set as S2, and the distance between the part of the first isolation wall (222) furthest from the support surface (241) and the support surface (241) is set as S3, S2≥S3; the limiting part (232) overlaps the top of the first isolation wall (222), and the limiting part (232) is used to abut against the end face (13) of the laminate (10) and limit the fit with the end face (13) along the thickness direction of the laminate (10).

2. The photovoltaic frame (20) according to claim 1, characterized in that, The limiting part (232) is provided with a first limiting surface (2324) for abutting and limiting the middle end surface (13) of the front panel (11) of the laminate (10), and the first limiting surface (2324) is configured as an arc surface.

3. The photovoltaic frame (20) according to claim 2, characterized in that, The first limiting surface (2324) is provided on the side of the limiting part (232) facing the laminate (10). The side of the limiting part (232) facing the laminate (10) also includes a clearance surface (2325). The clearance surface (2325) is connected to the first limiting surface (2324). The clearance surface (2325) can avoid the laminate (10). The clearance surface (2325) is located at the lower part of the first limiting surface (2324). The side of the clearance surface (2325) away from the first limiting surface (2324) is connected to the bottom surface of the limiting part (232). The side of the first limiting surface (2324) away from the clearance surface (2325) is connected to the top surface of the limiting part (232).

4. The photovoltaic frame (20) according to claim 3, characterized in that, The clearance surface (2325) is set at an angle to the limiting part (232), and the angle between the clearance surface (2325) and the limiting part (232) is 30° to 90°.

5. The photovoltaic frame (20) according to any one of claims 1 to 4, characterized in that, The snap-fit ​​structure (22) is provided with a second limiting surface (225) for abutting and limiting the middle end face (13) of the back plate (12) of the laminate (10), and the second limiting surface (225) is set as an arc surface.

6. The photovoltaic frame (20) according to claim 1, characterized in that, The photovoltaic frame (20) also includes a support part (24), which is connected to the frame body (21). The support surface (241) is located on the side of the support part (24) facing away from the frame body (21). The support part (24), the snap-fit ​​structure (22), and the frame body (21) together form an adhesive groove (25). The adhesive groove (25) is located below the back side (14) of the laminate (10), and the opening of the adhesive groove (25) faces the back side (14) of the laminate (10).

7. The photovoltaic frame (20) according to claim 6, characterized in that, The support surface (241) has a recess (244); the recess (244) is one, or the recess (244) is multiple, and all the recesses (244) are arranged sequentially in a direction away from the snap-fit ​​structure (22).

8. The photovoltaic frame (20) according to claim 6, characterized in that, The photovoltaic frame (20) also includes a barrier (26) extending along its longitudinal direction. The barrier (26) is disposed on the support surface (241) on the side opposite to the snap-fit ​​structure (22). The barrier (26) is a solid adhesive.

9. The photovoltaic frame (20) according to claim 6, characterized in that, The second isolation wall (223) is disposed on the side of the first isolation wall (222) facing away from the support (24).

10. The photovoltaic frame (20) according to claim 9, characterized in that, The side of the limiting part (232) facing the second isolation wall (223) is flush with the side of the holding part (231) facing the second isolation wall (223); the side of the limiting part (232) facing away from the second isolation wall (223) protrudes from the side of the holding part (231) facing away from the second isolation wall (223).

11. The photovoltaic frame (20) according to claim 9, characterized in that, The limiting part (232) has a first guide surface (2321) on the side facing away from the first isolation wall (222), and the second isolation wall (223) has a second guide surface (2231) on the part facing away from the frame body (21). Both the first guide surface (2321) and the second guide surface (2231) are planar and flush with each other, and both are parallel to the support surface (241); or, The distance between the second guide surface (2231) and the support surface (241) is less than the distance between the first guide surface (2321) and the support surface (241); or, The first guide surface (2321) includes a first connecting surface (2322) and a second connecting surface (2323). The first connecting surface (2322) is connected to the second connecting surface (2323). The first connecting surface (2322) is parallel to the support surface (241). The second connecting surface (2323) is closer to the second guide surface (2231) than the first connecting surface (2322). The second connecting surface (2323) extends to the second guide surface (2231) from the side away from the first connecting surface (2322). The distance between the second connecting surface (2323) and the second guide surface (2231) and the support surface (241) decreases in a direction away from the first connecting surface (2322).

12. The photovoltaic frame (20) according to claim 1, characterized in that, The inner wall of the slot (221) is provided with a first anti-slip part (224), and the outer wall of the holding part (231) is provided with a second anti-slip part (233) corresponding to the position of the first anti-slip part (224). The first anti-slip part (224) and the second anti-slip part (233) are in close contact.

13. The photovoltaic frame (20) according to claim 12, characterized in that, The first anti-slip part (224) includes serrations, anti-slip bumps or anti-slip patterns; and / or, the second anti-slip part (233) includes serrations, anti-slip bumps or anti-slip patterns.

14. A photovoltaic module, characterized in that, The photovoltaic module includes a photovoltaic frame (20) as described in any one of claims 1 to 13, and also includes a laminate (10); the laminate (10) overlaps the support surface (241), and the snap-fit ​​member (23) and / or the snap-fit ​​structure (22) are used to abut against the end face (13) of the laminate (10) and limit the fit with the end face (13) along the thickness direction of the laminate (10).

15. The photovoltaic module according to claim 14, characterized in that, The laminate (10) includes a front panel (11) and a back panel (12), wherein the front panel (11) and the back panel (12) are connected; The snap-fit ​​component (23) is provided with a first limiting surface (2324) that abuts against and limits the end face (13) of the front panel (11), and the first limiting surface (2324) matches the shape of the end face (13) of the front panel (11). The snap-fit ​​structure (22) is provided with a second limiting surface (225) that abuts against and limits the end face (13) of the back plate (12), and the shape of the second limiting surface (225) matches the end face (13) of the back plate (12).

16. The photovoltaic module according to claim 15, characterized in that, The back panel (12) has a protrusion (121) that protrudes beyond the front panel (11). The protrusion (121) faces the front panel (11) and abuts against the snap-fit ​​member (23).

17. A method for assembling a photovoltaic module as described in any one of claims 14 to 16, characterized in that, The assembly method includes the following steps: The laminate (10) is aligned and placed on the support surface (241) of the photovoltaic frame (20); The snap-fit ​​component (23) is snap-fitted onto the snap-fit ​​structure (22) so that the snap-fit ​​component (23) and / or the snap-fit ​​structure (22) abut against the end face (13) of the laminate (10) and are limited to the end face (13) along the thickness direction of the laminate (10).

Images