Photovoltaic frame, photovoltaic module and photovoltaic power generation device

Abstract

The utility model relates to a photovoltaic frame, a photovoltaic module and a photovoltaic power generation device. When the photovoltaic power generation device is installed on a support of the photovoltaic power generation device, due to the fact that the second side wall is provided with the first base, the third side wall is provided with the second base, and the first base and the second base are both installed on the support in a clamping mode, compared with an assembling mode of a pressing block and a bolt in the prior art, assembling operation can be facilitated; besides, the second side wall and the third side wall of the frame body are both fixed to the support, the defects of stress damage and tearing of the bottom side wall in the related technology are overcome, the defect of bolt falling is overcome, the installation stability can be improved, and the frame can be normally used in a severe environment for a long time. In addition, the installation stability of the photovoltaic frame does not need to be improved by increasing the thickness of the bottom side wall in the prior art.

Description

Technical Field

[0001] This application relates to the field of photovoltaic technology, and in particular to a photovoltaic frame, photovoltaic module and photovoltaic power generation device. Background Technology

[0002] Photovoltaic modules, as one of the core components of photovoltaic power generation devices, can be applied in various environments, such as building walls, roofs, floors, and pools. Typically, a photovoltaic module consists of a laminate and a photovoltaic frame for encapsulating the laminate. The photovoltaic frame encapsulates the laminate, protecting its periphery and facilitating the installation and transportation of the photovoltaic module.

[0003] In related technologies, when photovoltaic (PV) modules are installed in a power station, the bottom sidewall of the PV frame (i.e., the C-side of the PV frame) is typically fixed to the bracket using clamps and bolts, with two, three, or four clamps usually used. However, the contact area between the clamps and the bottom sidewall of the PV frame is relatively small, making it risky for the clamps to detach under harsh conditions such as strong winds. This can even cause the bottom sidewall to break due to excessive stress at the clamp point, resulting in poor installation stability. Furthermore, continuous wind blowing on the PV modules can easily loosen the bolts and cause the metal on the PV frame corresponding to the bolt mounting points to weaken and tear, ultimately leading to the entire PV module being blown away from the power station. In addition, the limited space for tightening bolts makes assembly inconvenient. Utility Model Content

[0004] Therefore, it is necessary to overcome the shortcomings of existing technologies and provide a photovoltaic frame, photovoltaic module and photovoltaic power generation device that can be easily assembled and operated, improve installation stability, and enable long-term normal use in harsh environments.

[0005] A photovoltaic frame, the photovoltaic frame comprising:

[0006] The frame body includes a first sidewall, a second sidewall, and a third sidewall. The second sidewall and the third sidewall are spaced apart from each other. The first sidewall is connected to the same side of the second sidewall and the third sidewall. The second sidewall has a first base on the side opposite to the first sidewall, and the third sidewall has a second base on the side opposite to the first sidewall. Both the first base and the second base are used to snap onto the bracket of the photovoltaic power generation device.

[0007] In one embodiment, an opening is formed between the first base and the second base, and the first sidewall, the second sidewall, and the third sidewall enclose a cavity, which communicates with the external environment through the opening; and / or

[0008] The first base extends along the longitudinal direction of the second sidewall, and the ratio of the length of the first base to the length of the second sidewall is set to 50% to 100%; the second base extends along the longitudinal direction of the third sidewall, and the ratio of the length of the second base to the length of the third sidewall is set to 50% to 100%.

[0009] In one embodiment, the first base is provided with a first engaging portion that engages with the bracket, the first engaging portion extending along the longitudinal direction of the second sidewall, and the length of the first engaging portion being 50% to 100% of the length of the second sidewall; and / or, the second base is provided with a second engaging portion that engages with the bracket, the second engaging portion extending along the longitudinal direction of the third sidewall, and the length of the second engaging portion being 50% to 100% of the length of the third sidewall.

[0010] A photovoltaic module includes a photovoltaic frame and a laminate, the laminate being fixedly mounted on the photovoltaic frame.

[0011] A photovoltaic power generation device includes the aforementioned photovoltaic module and a support frame. The first base and the second base are both used for snap-fitting onto the support frame of the photovoltaic power generation device.

[0012] In one embodiment, the first base is provided with a first snap-fit ​​portion, the second base is provided with a second snap-fit ​​portion, and the bracket includes a first support wall, a third snap-fit ​​portion, a second support wall, and a fourth snap-fit ​​portion; the first support wall and the second support wall are arranged at a distance from each other; the first support wall is connected to the third snap-fit ​​portion, and the third snap-fit ​​portion engages with the first snap-fit ​​portion; the second support wall is connected to the fourth snap-fit ​​portion, and the fourth snap-fit ​​portion engages with the second snap-fit ​​portion.

[0013] In one embodiment, the third latching portion is located on the side of the first support wall facing the second support wall, and the fourth latching portion is located on the side of the second support wall facing the first support wall; the first latching portion is provided with a first hook; the second latching portion is provided with a second hook, and the first hook and the second hook are arranged back to back; the distance L between the first latching portion and the second latching portion gradually increases along the direction in which the frame body is inserted into the bracket.

[0014] In one embodiment, the first base further includes a first mounting wall and a second mounting wall; the first mounting wall is connected to the second mounting wall, and the first mounting wall is also connected to the first snap-fit ​​portion; the first snap-fit ​​portion and the second mounting wall are spaced apart from each other; the first snap-fit ​​portion and the first mounting wall are set at an acute angle; the third snap-fit ​​portion and the first support wall extend into the area formed by the first snap-fit ​​portion, the first mounting wall and the second mounting wall, and the third snap-fit ​​portion also abuts against the first mounting wall, and the first support wall abuts against the second mounting wall;

[0015] The second base further includes a third mounting wall and a fourth mounting wall; the third mounting wall is connected to the fourth mounting wall, and the third mounting wall is also connected to the second snap-fit ​​portion; the second snap-fit ​​portion and the fourth mounting wall are spaced apart from each other; the second snap-fit ​​portion and the third mounting wall are set at an acute angle; the fourth snap-fit ​​portion and the second support wall can extend into the area formed by the second snap-fit ​​portion, the third mounting wall and the fourth mounting wall, the fourth snap-fit ​​portion also abuts against the third mounting wall, and the second support wall abuts against the fourth mounting wall.

[0016] In one embodiment, the photovoltaic power generation device also satisfies at least one of the following conditions:

[0017] (1) The second mounting wall has a first recessed portion formed on the side facing the first snap-fit ​​portion, which is recessed in a direction away from the first snap-fit ​​portion;

[0018] (2) The fourth mounting wall has a second recessed portion formed on the side facing the second snap-fit ​​portion, which is recessed in a direction away from the second snap-fit ​​portion;

[0019] (3) The surface of the first hook that abuts against the third hook is provided with a first anti-slip part;

[0020] (4) The surface of the second hook that abuts against the fourth hook is provided with a second anti-slip part;

[0021] (5) The first hook is located at the end of the first snap-fit ​​portion away from the first mounting wall, and the first hook is provided with a first guide surface on the side facing away from the first mounting wall;

[0022] (6) The second hook is located at the end of the second latching part away from the third mounting wall, and the second hook is provided with a second guide surface on the side facing away from the third mounting wall;

[0023] (7) The photovoltaic power generation device further includes a first fastener, and the second mounting wall and the first supporting wall are connected and fixed by the first fastener;

[0024] (8) The photovoltaic power generation device further includes a second fastener, and the second mounting wall and the first support wall are connected and fixed by the first fastener;

[0025] (9) The bracket further includes an abutment member, which is disposed between the first support wall and the second support wall. The abutment member has a first pressing surface and a second pressing surface. The first pressing surface abuts against the first snap-fit ​​portion, and the second pressing surface abuts against the second snap-fit ​​portion.

[0026] In one embodiment, the first base further includes a third support wall, and the second base further includes a fourth support wall, wherein the bottom surface of the third support wall and the bottom surface of the fourth support wall are disposed on the same plane.

[0027] The aforementioned photovoltaic frame, photovoltaic module, and photovoltaic power generation device, when installing the photovoltaic frame onto the bracket of the photovoltaic power generation device, have a first base on the second side wall and a second base on the third side wall. Both the first and second bases are snap-fitted onto the bracket, which facilitates assembly compared to the assembly method using clamps and bolts in related technologies. In addition, since the second and third side walls of the frame body are fixed to the bracket, there will be no defects such as stress damage and tearing of the bottom side wall as in related technologies, nor will there be defects such as bolt falling off. This improves installation stability and enables long-term normal use in harsh environments. Attached Figure Description

[0028] Figure 1 This is a structural diagram of the photovoltaic power generation device according to the first embodiment of this application.

[0029] Figure 2 for Figure 1 The diagram shows the structure of a photovoltaic power generation device without its support frame.

[0030] Figure 3 for Figure 2 The diagram shows the structure of the first base in the photovoltaic module.

[0031] Figure 4 for Figure 1 The diagram shows the structure of the support structure in the photovoltaic power generation device.

[0032] Figure 5 This is a structural diagram of a photovoltaic power generation device according to the second embodiment of this application.

[0033] Figure 6 This is a structural diagram of a photovoltaic power generation device according to the third embodiment of this application.

[0034] Figure 7 This is a structural diagram of a photovoltaic power generation device according to the fourth embodiment of this application.

[0035] Figure 8 This is a structural diagram of a photovoltaic power generation device according to the fifth embodiment of this application.

[0036] Figure 9 This is a structural diagram of a photovoltaic power generation device according to the sixth embodiment of this application.

[0037] Figure 10 This is a structural diagram of a photovoltaic power generation device according to the seventh embodiment of this application.

[0038] 10. Photovoltaic module; 101. Photovoltaic frame; 11. Frame body; 111. First sidewall; 112. Second sidewall; 113. Third sidewall; 114. First base; 1141. First mounting wall; 1142. Second mounting wall; 1143. First recess; 1144. Third support wall; 115. Second base; 1151. Third mounting wall; 1152. Fourth mounting wall; 1153. Second recess; 1154. Fourth support wall; 116. Opening; 117. First snap-fit ​​part; 1171. First hook; 1172. First anti-slip part; 1173. First guide surface; 118. Second snap-fit ​​part; 1181. Second hook; 1182. Second anti-slip part; 1183. Second guide surface; 119. Chamber; 12. Laminated component; 121. Front panel; 122. Back panel; 123. Front view; 124. Back view; 125. End face; 126. Protrusion; 13. Snap-fit ​​structure; 131. Snap-fit ​​groove; 132. Glue overflow groove; 14. Snap-fit ​​component; 141. Guide surface; 142. Limiting part; 143. Insertion part; 15. Support part; 16. Glue application groove; 17. Barrier component; 18. Fourth side wall; 19. Fifth side wall; 191. Bending part; 20. Bracket; 21. First support wall; 22. Third snap-fit ​​part; 221. First flange; 222. Second flange; 23. Second support wall; 24. Fourth snap-fit ​​part; 241. Third flange; 242. Fourth flange; 25. Connecting plate; 26. Abutment component; 261. First abutment surface; 262. Second abutment surface; 30. First fastener. Detailed Implementation

[0039] 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.

[0040] As described in the background section, in existing technologies, under harsh environmental conditions such as strong winds, the area where the bottom sidewall abuts against the pressure block may break due to excessive stress, resulting in poor installation stability. Furthermore, during continuous outdoor wind blowing on the photovoltaic modules, the metal at the mounting points corresponding to the bolts on the photovoltaic frame is prone to weakening and tearing.

[0041] The inventors discovered that the reason for this problem is that, in order to reduce the cost of photovoltaic frames, the bottom sidewalls of the photovoltaic frames are thinner to save materials. However, when the thickness of the bottom sidewalls is small, it is easy for the bottom sidewalls to break and be damaged due to excessive force at the part that abuts against the pressure block, and for the metal on the photovoltaic frame corresponding to the bolt mounting parts to be weakened and torn.

[0042] Based on the above reasons, this application provides a photovoltaic frame, photovoltaic module and photovoltaic power generation device, which can facilitate assembly and operation, improve installation stability, and enable long-term normal use in harsh environments.

[0043] 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.

[0044] It should be noted that the laminate in this embodiment includes a front panel, a first adhesive layer, solar cells, a second adhesive layer, and a back sheet, which are sequentially connected. When the photovoltaic module is in normal use, the front panel typically faces away from the ground and towards the sunlight, thus maximizing the reception of sunlight. Therefore, in this embodiment, the front panel is designed as a light-transmitting panel, specifically, for example, a glass panel, allowing sunlight to pass through the front panel and reach the solar cells, thereby generating electricity. Furthermore, the back sheet typically faces the ground when the photovoltaic module is in normal use, so it can be either a light-transmitting panel or an opaque panel; no limitation is made here.

[0045] Laminates specifically include two types: double-glass laminates and single-glass laminates. For double-glass laminates, the backsheet is specifically designed as a light-transmitting plate, allowing light from the back of the laminate to pass through and illuminate the solar cells, thereby improving photoelectric efficiency. For single-glass laminates, the backsheet can be designed as an opaque plate.

[0046] The size of the back panel can be the same as that of the front panel. When the back panel and the front panel are stacked together, the outer perimeter (i.e., end face) of the back panel and the outer perimeter (i.e., end face) of the front panel are aligned with each other along the thickness direction of the laminate.

[0047] Of course, the size of the back panel can also be larger than the size of the front panel. For example, the width of the back panel may be greater than the width of the front panel, or the length of the back panel may be greater than the length of the front panel, or both the width and length of the back panel may be greater than the width and length of the front panel, respectively. The specific dimensions can be set according to actual requirements. When the size of the back panel is larger than the size of the front panel, there is a misalignment between the back panel and the front panel along the thickness direction of the laminate. In other words, at least one side of the back panel protrudes beyond the area of ​​the front panel. Specifically, the back panel has a protrusion that extends beyond the front panel.

[0048] See Figure 1 , Figure 1 This application shows a structural diagram of a photovoltaic power generation device according to a first embodiment of the present application. The photovoltaic power generation device includes a photovoltaic module 10 and a support frame 20 (e.g., ...). Figure 4 As shown, the photovoltaic module 10 is mounted on the bracket 20. The photovoltaic module 10 includes a photovoltaic frame 101 and a laminate 12, with the laminate 12 fixedly mounted on the photovoltaic frame 101.

[0049] Please see Figures 2 to 4 For example, the photovoltaic frame 101 includes a frame body 11. The frame body 11 includes a first sidewall 111, a second sidewall 112, and a third sidewall 113. The second sidewall 112 and the third sidewall 113 are spaced apart from each other, and the first sidewall 111 is connected to the same side of the second sidewall 112 and the third sidewall 113. A first base 114 is provided on the side of the second sidewall 112 opposite to the first sidewall 111, and a second base 115 is provided on the side of the third sidewall 113 opposite to the first sidewall 111. Both the first base 114 and the second base 115 are used for snap-fit ​​mounting onto the bracket 20 of the photovoltaic power generation device.

[0050] When the aforementioned photovoltaic frame 101, photovoltaic module, and photovoltaic power generation device are installed onto the bracket 20 of the photovoltaic power generation device, the second side wall 112 is provided with a first base 114, and the third side wall 113 is provided with a second base 115. Both the first base 114 and the second base 115 are snap-fitted onto the bracket 20. Compared with the assembly method of pressure blocks and bolts used in related technologies, this method facilitates assembly operations. In addition, the second side wall 112 and the third side wall 113 of the frame body 11 are fixed to the bracket 20, which avoids the defects of bottom side wall stress damage and tearing as in related technologies, as well as the defect of bolt falling off. This improves installation stability and enables long-term normal use in harsh environments.

[0051] In related technologies, increasing the thickness of the bottom wall of the photovoltaic frame to prevent breakage and tearing would increase the material cost of the photovoltaic frame. In this embodiment, since the second sidewall 112 and the third sidewall 113 of the frame body 11 are both fixed to the bracket 20, there will be no defects such as stress damage and tearing of the bottom sidewall as in related technologies, nor will there be defects such as bolt falling off. The installation stability is high, and it can be used normally for a long time in harsh environments. Therefore, there is no need to increase the thickness of the bottom sidewall to improve the installation stability of the photovoltaic frame 101 as in related technologies, and thus no increase in material cost.

[0052] For example, an opening 116 is formed between the first base 114 and the second base 115. In other words, the first base 114 and the second base 115 are not connected by a bottom sidewall. Furthermore, the first sidewall 111, the second sidewall 112, and the third sidewall 113 enclose a cavity 119, which communicates with the external environment of the frame body 11 through the opening 116. With this configuration, the side of the second sidewall 112 facing away from the first sidewall 111 and the side of the third sidewall 113 facing away from the first sidewall 111 in this embodiment are not connected by a bottom sidewall as in related technologies. This means that the bottom sidewall between the second sidewall 112 and the third sidewall 113 in related technologies can be omitted, thereby saving material costs.

[0053] In order to improve the installation stability of the frame body 11 on the bracket 20, the second side wall 112, which is opposite to the first side wall 111, needs to be connected to the bracket 20 at as many positions as possible along the longitudinal direction, and the third side wall 113, which is opposite to the first side wall 111, needs to be connected to the bracket 20 at as many positions as possible along the longitudinal direction.

[0054] For example, when the frame body 11 is configured as a closed frame structure, such as a rectangular frame, the first base 114 may extend along the longitudinal direction of the second sidewall 112, and the ratio of the length of the first base 114 to the length of the second sidewall 112 may be set to, for example, 50% to 100%. The second base 115 may extend along the longitudinal direction of the third sidewall 113, and the ratio of the length of the second base 115 to the length of the third sidewall 113 may be set to, for example, 50% to 100%.

[0055] As a specific example, when the length of the first base 114 is the same as the length of the second sidewall 112, the longitudinal extension shape of the first base 114 is the same as the longitudinal extension shape of the frame body 11. Thus, each position of the second sidewall 112 opposite to the first sidewall 111 along the longitudinal direction can be connected to the bracket 20 via the first base 114 and is locked onto the bracket 20. Similarly, when the length of the second base 115 is the same as the length of the third sidewall 113, the second base 115 is correspondingly arranged in a ring shape. Thus, each position of the third sidewall 113 opposite to the first sidewall 111 along the longitudinal direction can be connected to the bracket 20 via the second base 115 and is locked onto the bracket 20.

[0056] Of course, the frame body 11 can also be set as a non-closed frame structure, with the first base 114 extending along the longitudinal direction of the second side wall 112, and the ratio of the length of the first base 114 to the length of the second side wall 112 being set to, for example, 50% to 100%; the second base 115 can extend along the longitudinal direction of the third side wall 113, and the ratio of the length of the second base 115 to the length of the third side wall 113 being set to, for example, 50% to 100%.

[0057] Please see Figures 2 to 4 Based on the aforementioned embodiment, the first base 114 is provided with a first engaging portion 117 that engages with the bracket 20. The first engaging portion 117 extends along the longitudinal direction of the second sidewall 112. The length of the first engaging portion 117 is, for example, consistent with the length of the first base 114. Specifically, the ratio of the length of the first engaging portion 117 to the length of the second sidewall 112 is, for example, set to 50% to 100%. With this configuration, the first base 114 can be stably engaged and mounted on the bracket 20.

[0058] Furthermore, the second base 115 is provided with a second engaging portion 118 that engages with the bracket 20. The second engaging portion 118 extends along the longitudinal direction of the third side wall 113. The length of the second engaging portion 118 is, for example, consistent with the length of the second base 115. Specifically, the ratio of the length of the second engaging portion 118 to the length of the third side wall 113 is, for example, set to 50% to 100%. With this configuration, the second base 115 can be stably engaged and mounted on the bracket 20.

[0059] It should be noted that the longitudinal direction of the first sidewall 111 and the second sidewall 112 refers to the extension direction of the frame body 11 along the side of the laminate 12, that is, for example, in... Figure 1 In the arrangement of the photovoltaic frame 101 shown, the longitudinal direction refers to the direction perpendicular to the computer screen.

[0060] For example, the bracket 20 includes a first support wall 21, a third latching portion 22, a second support wall 23, and a fourth latching portion 24. The first support wall 21 and the second support wall 23 are disposed at a distance from each other. The first support wall 21 is connected to the third latching portion 22, and the third latching portion 22 is latched and engaged with the first latching portion 117. The second support wall 23 is connected to the fourth latching portion 24, and the fourth latching portion 24 is latched and engaged with the second latching portion 118.

[0061] For example, the support 20 also includes a connecting plate 25. The first support wall 21 and the second support wall 23 are connected by the connecting plate 25. The combined structure of the first support wall 21, the second support wall 23 and the connecting plate 25 is U-shaped, specifically configured as a U-shaped beam. With this configuration, the support 20 can be selected from conventional beams, which are readily available and have a lower cost.

[0062] Optionally, the third snap-fit ​​portion 22 includes a first flange 221 and a second flange 222, with the opposite sides of the first flange 221 connected to the first support wall 21 and the second flange 222, respectively. The first flange 221 and the second flange 222 are arranged at an angle, specifically, for example, perpendicular to each other. Thus, the third snap-fit ​​portion 22 is generally L-shaped, which is relatively regular and facilitates the processing and manufacturing of the bracket 20.

[0063] Similarly, the fourth latching portion 24 includes a third flange 241 and a fourth flange 242. The opposite sides of the third flange 241 are connected to the second support wall 23 and the fourth flange 242, respectively. The third flange 241 and the fourth flange 242 are arranged at an angle, specifically, for example, perpendicular to each other. Thus, the fourth latching portion 24 is generally L-shaped, which is relatively regular and facilitates the processing and manufacturing of the bracket 20.

[0064] Based on the aforementioned embodiment, the third latching part 22 is provided on the side of the first support wall 21 facing the second support wall 23, and the fourth latching part 24 is provided on the side of the second support wall 23 facing the first support wall 21. The first latching part 117 is provided with a first hook 1171. The second latching part 118 is provided with a second hook 1181, and the first hook 1171 and the second hook 1181 are arranged back to back. The distance L between the first latching part 117 and the second latching part 118 gradually increases along the direction in which the frame body 11 is inserted into the bracket 20. With this arrangement, the first latching part 117 and the third latching part 22 are stably latched, and the second latching part 118 and the fourth latching part 24 are stably latched, which can effectively prevent the frame body 11 from falling off the bracket 20.

[0065] Specifically, the first base 114 further includes a first mounting wall 1141 and a second mounting wall 1142. The first mounting wall 1141 is connected to the second mounting wall 1142, and the first mounting wall 1141 is also connected to a first latching portion 117. The first latching portion 117 and the second mounting wall 1142 are spaced apart from each other. The first latching portion 117 and the first mounting wall 1141 are set at an acute angle. In other words, the first latching portion 117 is inclined relative to the first mounting wall 1141, which allows the first latch 1171 to be close to the second mounting wall 1142, thus preventing the first latch 1171 from falling off from the third latching portion 22. In addition, the third latching portion 22 and the first support wall 21 can extend into the area enclosed by the first latching portion 117, the first mounting wall 1141, and the second mounting wall 1142. Furthermore, the first flange 221 abuts against the first mounting wall 1141, and the first support wall 21 abuts against the second mounting wall 1142. In this way, the first snap-fit ​​part 117 and the third snap-fit ​​part 22 can be stably snapped together.

[0066] Similarly, the second base 115 also includes a third mounting wall 1151 and a fourth mounting wall 1152. The third mounting wall 1151 is connected to the fourth mounting wall 1152, and the third mounting wall 1151 is also connected to the second latching portion 118. The second latching portion 118 and the fourth mounting wall 1152 are spaced apart from each other. The second latching portion 118 and the third mounting wall 1151 are set at an acute angle. In other words, the second latching portion 118 is inclined relative to the third mounting wall 1151, which allows the second hook 1181 to be close to the fourth mounting wall 1152, thus preventing the second hook 1181 from falling off from the fourth latching portion 24. In addition, the fourth latching portion 24 and the second support wall 23 can extend into the area formed by the second latching portion 118, the third mounting wall 1151 and the fourth mounting wall 1152, and the fourth latching portion 24 engages with the second latching portion 118. Furthermore, the second flange 222 abuts against the third mounting wall 1151, and the second support wall 23 abuts against the fourth mounting wall 1152. This ensures a stable engagement between the second locking portion 118 and the fourth locking portion 24.

[0067] For example, the second mounting wall 1142 has a first recess 1143 formed on the side facing the first snap-fit ​​portion 117, which is recessed in a direction away from the first snap-fit ​​portion 117. This arrangement facilitates the snap-fit ​​engagement of the first snap-fit ​​portion 117 and the third snap-fit ​​portion 22, thereby simplifying the installation operation.

[0068] For example, the fourth mounting wall 1152 has a second recess 1153 formed on the side facing the second snap-fit ​​portion 118, which is recessed in a direction away from the second snap-fit ​​portion 118. This arrangement facilitates the snap-fit ​​engagement of the second snap-fit ​​portion 118 and the fourth snap-fit ​​portion 24, thereby simplifying the installation operation.

[0069] For example, the first hook 1171 abuts against the surface of the third latching part 22 and is provided with a first anti-slip part 1172. In this way, the first anti-slip part 1172 plays an anti-slip role, so that the first hook 1171 and the third latching part 22 are stably latched together, which can prevent slippage and falling off. Thus, the installation stability of the frame body 11 on the bracket 20 is relatively high.

[0070] For example, the second hook 1181 abuts against the surface of the fourth locking part 24 and is provided with a second anti-slip part 1182. In this way, the second anti-slip part plays an anti-slip role, so that the second hook 1181 and the fourth locking part 24 are stably locked together, which can prevent slippage and falling off. Thus, the installation stability of the frame body 11 on the bracket 20 is high.

[0071] For example, the first hook 1171 is located at the end of the first latching portion 117 away from the first mounting wall 1141, and the first hook 1171 is provided with a first guide surface 1173 on the side facing away from the first mounting wall 1141.

[0072] Specifically, the second mounting wall 1142 extends vertically, for example, and the distance between the first guide surface 1173 and the second mounting wall 1142 gradually increases along the direction in which the frame body 11 is inserted into the bracket 20. Thus, during the interlocking process of the first snap-fit ​​portion 117 and the third snap-fit ​​portion 22, the first guide surface 1173 acts as a guide, facilitating the interlocking of the first snap-fit ​​portion 117 and the third snap-fit ​​portion 22.

[0073] For example, the second hook 1181 is located at the end of the second latching portion 118 away from the third mounting wall 1151, and the second hook 1181 is provided with a second guide surface 1183 on the side facing away from the third mounting wall 1151.

[0074] Specifically, the fourth mounting wall 1152 extends vertically, for example, and the distance between the second guide surface 1183 and the third mounting wall 1151 gradually increases along the direction in which the frame body 11 is inserted into the bracket 20. Thus, during the interlocking process of the second snap-fit ​​portion 118 and the fourth snap-fit ​​portion 24, the second guide surface 1183 acts as a guide, facilitating the interlocking of the second snap-fit ​​portion 118 and the fourth snap-fit ​​portion 24.

[0075] Please see Figure 5 For example, the photovoltaic power generation device also includes a first fastener 30. The second mounting wall 1142 is connected and fixed to the first support wall 21 by the first fastener 30. With this configuration, the first fastener 30 provides a strengthening and fixing effect, allowing the frame body 11 to be stably mounted on the bracket 20, effectively preventing the frame body 11 from falling off the bracket 20.

[0076] Optionally, the first fastener 30 may include, but is not limited to, bolts, pins, rivets, or screws, etc., and can be flexibly adjusted and set according to actual needs.

[0077] For example, the photovoltaic power generation device also includes a second fastener (not shown in the figures). The second mounting wall 1142 is connected and fixed to the first support wall 21 by the first fastener 30. In this configuration, the second fastener strengthens the fixation, allowing the frame body 11 to be stably mounted on the bracket 20, effectively preventing the frame body 11 from falling off the bracket 20.

[0078] Optionally, the second fastener may include, but is not limited to, bolts, pins, rivets, or screws, etc., and may be flexibly adjusted and set according to actual needs.

[0079] Please see Figure 6 For example, the bracket 20 also includes an abutment member 26. The abutment member 26 is disposed between the first support wall 21 and the second support wall 23. The abutment member 26 has a first pressing surface 261 and a second pressing surface 262. The first pressing surface 261 abuts against the first latching portion 117, and the second pressing surface 262 abuts against the second latching portion 118. With this configuration, the first pressing surface 261 presses against the first latching portion 117, causing the first latching portion 117 and the third latching portion 22 to be locked together, effectively preventing the first latching portion 117 and the third latching portion 22 from separating and ensuring the stability of their connection. Similarly, the second pressing surface 262 presses against the second latching portion 118, causing the second latching portion 118 and the fourth latching portion 24 to be locked together, effectively preventing the second latching portion 118 and the fourth latching portion 24 from separating and ensuring the stability of their connection.

[0080] Optionally, the first pressing surface 261 and the second pressing surface 262 can be flexibly adjusted in shape and tilt angle relative to the connecting plate 25 according to actual needs, so as to achieve better engagement of the locking part. The first pressing surface 261 and the second pressing surface 262 can be set as arc-shaped surfaces or as inclined surfaces, and for example, both are inclined relative to the connecting plate 25.

[0081] In one embodiment, the first base 114 further includes a third support wall 1144, and the second base 115 further includes a fourth support wall 1154, with the bottom surfaces of the third support wall 1144 and the fourth support wall 1154 located on the same plane. This arrangement allows the photovoltaic module 10 to be stably placed on a workbench or the ground before the photovoltaic module 10 is installed onto the bracket 20, as the bottom surfaces of the third support wall 1144 and the fourth support wall 1154 are on the same plane and parallel to the front surface 123 of the laminate 12.

[0082] Optionally, the bottom surface of the third support wall 1144 and the bottom surface of the fourth support wall 1154 are both parallel to the front surface 123 of the laminate 12.

[0083] The mounting method of the laminate 12 on the frame body 11 can refer to the mounting method in related technologies, or it can be set as follows: Figure 2 , Figures 7 to 10 Any of the installation methods shown can enable the photovoltaic power generation device to have the function of preventing dust accumulation. Other installation methods can also be used, which are not limited here.

[0084] Please refer to the following: Figure 2 The photovoltaic frame 101 also includes a snap-fit ​​structure 13 and a snap-fit ​​component 14. The snap-fit ​​structure 13 is connected to the frame body 11 and is specifically disposed on the first side wall 111. The snap-fit ​​component 14 engages with the snap-fit ​​structure 13. The snap-fit ​​component 14 has a guide surface 141 on the part facing away from the frame body 11. The guide surface 141 is flush with the front surface 123 of the laminate 12, or the height of the guide surface 141 on the frame body 11 is slightly lower than the height of the front surface 123 of the laminate 12. In this way, the snap-fit ​​component 14 will not protrude upward from the front surface 123 of the laminate 12, so that dust on the front surface 123 of the laminate 12 can be easily washed away by rainwater, realizing the self-cleaning of the photovoltaic module 10, reducing operation and maintenance costs, and effectively preventing dust accumulation.

[0085] Furthermore, the snap-fit ​​14 abuts against the end face 125 of the laminate 12 and is engaged with the upper limit along the thickness direction of the laminate 12. Specifically, the snap-fit ​​14 can abut against and limit the end face 125 of the front panel 121, or against and limit the end face 125 of the back panel 122, or against and limit the end face 125 of both the front panel 121 and the back panel 122. With this configuration, the snap-fit ​​14 abuts against and is engaged with the end face 125 of the laminate 12 along the thickness direction of the laminate 12, thereby ensuring that the laminate 12 is stably mounted on the frame body 11 and preventing the laminate 12 from detaching upward from the photovoltaic frame 101.

[0086] Specifically, the snap-fit ​​member 14 includes a limiting part 142 and an insertion part 143, with the limiting part 142 connected to the insertion part 143. The snap-fit ​​structure 13 forms a snap-fit ​​groove 131. The insertion part 143 is inserted into and snapped into the snap-fit ​​groove 131. The limiting part 142 is located outside the snap-fit ​​groove 131, and the limiting part 142 abuts against the end face 125 of the laminate 12 and is upper-limited along the thickness direction of the laminate 12.

[0087] Please refer to the comparison. Figure 2 and Figure 7 The insertion part 143 can be arranged perpendicularly to the limiting part 142, for example... Figure 2As shown; it can also be arranged at an angle to the limiting part 142, for example, as shown. Figure 7 As shown, it is sufficient to snap and fix it to the snap-fit ​​structure 13.

[0088] Please continue reading. Figure 2 When the insertion part 143 and the limiting part 142 are set at an angle, on the one hand, the snap-fit ​​part 14 can be snap-fitted and fixed with the snap-fit ​​structure 13; on the other hand, under the same volume size, the snap-fit ​​structure 13 can also be provided with an overflow groove 132, which is connected to the snap-fit ​​slot 131 and is located at the bottom of the snap-fit ​​slot 131.

[0089] Please refer to the comparison. Figure 2 , Figure 7 and Figure 8 The insertion part 143 is not limited to, for example, Figure 2 and Figure 7 The straight strip shown can also be configured to be bent, for example, for example... Figure 8 The L-shape shown allows for a more flexible engagement between the insertion part 143 and the snap-fit ​​structure 13, enabling it to be snapped and fixed onto the snap-fit ​​structure 13 from the side facing away from the laminate 12. Furthermore, a space is provided in the portion of the snap-fit ​​structure 13 near the laminate 12 to accommodate an overflow groove 132, facilitating the flow of adhesive into and collection of the adhesive.

[0090] Please refer to the comparison. Figure 2 , Figure 7 and Figure 9 The limiting part 142 is not limited to, for example, Figure 2 and Figure 7 The shown completely covers the top of the snap-fit ​​structure 13, and can also be, for example... Figure 9 The portion shown is positioned above the snap-fit ​​structure 13, which can also achieve a good anti-dust accumulation effect.

[0091] Please refer to the following: Figure 2 The photovoltaic frame 101 also includes a support portion 15. The support portion 15 is connected to the frame body 11 and is used to support the laminate 12. In this way, the back side 124 of the laminate 12 overlaps with the support portion 15, and the installation stability can be ensured under the support of the support portion 15.

[0092] For example, the support portion 15, the frame body 11, and the snap-fit ​​structure 13 are integrally extruded. Specifically, the support portion 15, the frame body 11, and the snap-fit ​​structure 13 are integrally extruded from, for example, aluminum.

[0093] Specifically, the support portion 15, the snap-fit ​​structure 13, and the frame body 11 enclose a glue-applying groove 16. The glue-applying groove 16 is located below the back surface 124 of the laminate 12, and the opening of the glue-applying groove 16 faces the back surface 124 of the laminate 12. With this arrangement, during the assembly of the photovoltaic module 10, adhesive can be first applied to the inside of the glue-applying groove 16, and then the laminate 12 can be installed on the support portion 15 of the photovoltaic frame 101 from top to bottom. The back surface 124 of the laminate 12 is pressed with adhesive and overlaps with the support portion 15 and the groove opening. The adhesive in the glue-applying groove 16 contacts the outer wall surface of the laminate 12, thus bonding and fixing the laminate 12. It can be seen that the laminate 12 is not only snapped and fixed by the snap-fit ​​structure 14, but also bonded and fixed by adhesive, thereby being stably installed on the photovoltaic frame 101. Furthermore, since the glue coating tank 16 is formed by the support part 15, the snap-fit ​​structure 13 and the frame body 11, the shape of the glue coating tank 16 is, for example, U-shaped or roughly U-shaped, which limits the glue contained inside on both sides. When the glue is squeezed, it moves inward by colliding with the inner wall of the glue coating tank 16. Compared with a tank that limits only one side, it can reduce the glue overflow during assembly, thereby effectively reducing the difficulty of cleaning and improving production efficiency.

[0094] Based on the aforementioned embodiments, the photovoltaic frame 101 further includes a barrier member 17 extending along its longitudinal direction. The barrier member 17 is disposed on the support portion 15 on the side opposite to the snap-fit ​​structure 13. Thus, during the assembly process of the photovoltaic module 10, when the adhesive inside the adhesive tank 16 overflows onto the support portion 15 under the pressure of the laminating member 12, the barrier member 17 abuts against the back side 124 of the laminating member 12 to form a closed space, thereby effectively blocking the adhesive and preventing it from overflowing. This effectively reduces cleaning difficulty and improves production efficiency.

[0095] Optionally, the barrier 17 may include, but is not limited to, a barrier sheet, a barrier plate, or a barrier block. The side of the barrier 17 that abuts against the back surface 124 of the laminate 12 is a flat surface, thereby forming a good seal when it abuts against the back surface 124 of the laminate 12, effectively preventing adhesive from overflowing.

[0096] In one embodiment, the barrier 17 is a solid adhesive. Thus, the barrier 17 has adhesive properties, enabling the laminate 12 to be bonded and fixed to the support 15, enhancing the installation stability of the laminate 12 on the photovoltaic frame 101. Furthermore, when the barrier 17 is made of solid adhesive, it also acts as a barrier against overflowing adhesive, effectively preventing adhesive from overflowing from the adhesive coating tank 16.

[0097] 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.

[0098] Furthermore, the adhesive used 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, it flows easily during assembly, thereby effectively ensuring that the back side 124 of the laminate 12 is stably bonded and fixed to the photovoltaic frame 101.

[0099] Please see Figure 10 As an alternative, the photovoltaic frame 101 in this embodiment may not require the snap-fit ​​connector 14. Optionally, the frame body 11 also includes a fourth sidewall 18 and a fifth sidewall 19. The bottom of the fourth sidewall 18 is connected to the first sidewall 111, and the top of the fourth sidewall 18 is connected to the fifth sidewall 19. The fifth sidewall 19 and the first sidewall 111 are spaced apart. A guide surface 141 is provided on the part of the fifth sidewall 19 facing away from the first sidewall 111. The guide surface 141 is flush with the front surface 123 of the laminate 12, or the height of the guide surface 141 on the frame body 11 is slightly lower than the height of the front surface 123 of the laminate 12. The back panel 122 has a protrusion 126 protruding from the front panel 121, and the protrusion 126 extends into the space between the fifth sidewall 19 and the first sidewall 111. Thus, the fifth sidewall 19 acts as a limit for the back panel 122, preventing the laminate 12 from detaching upward from the photovoltaic frame 101.

[0100] Based on the aforementioned embodiment, adhesive is provided between the fifth sidewall 19 and the protrusion 126. The back plate 122 is glued and fixed to the first sidewall 111 and the fifth sidewall 19 by adhesive. In addition, the fifth sidewall 19 has a bent portion 191 that bends toward the fourth sidewall 18 on the side away from the fourth sidewall 18, and the bent portion 191 cooperates with the fifth sidewall 19 to form an overflow groove 132.

[0101] 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.

[0102] 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.

[0103] 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.

[0104] 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.

[0105] 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.

[0106] 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.

[0107] 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 (101), characterized in that, The photovoltaic frame (101) comprises: The frame body (11) comprises a first side wall (111), a second side wall (112) and a third side wall (113), the second side wall (112) and the third side wall (113) are oppositely spaced, the first side wall (111) is connected to the same side of the second side wall (112) and the third side wall (113), the first base (114) is arranged on the side of the second side wall (112) away from the first side wall (111), the second base (115) is arranged on the side of the third side wall (113) away from the first side wall (111), and the first base (114) and the second base (115) are used for clamping and mounting on the support (20) of the photovoltaic power generation device.

2. The photovoltaic frame (101) according to claim 1, characterized in that, An opening (116) is formed between the first base (114) and the second base (115), a cavity (119) is formed by the first side wall (111), the second side wall (112) and the third side wall (113), and the cavity (119) communicates with the external environment through the opening (116); and / or, The first base (114) is arranged in the longitudinal direction of the second side wall (112), and the length ratio of the first base (114) to the second side wall (112) is 50% to 100%; the second base (115) is arranged in the longitudinal direction of the third side wall (113), and the length ratio of the second base (115) to the third side wall (113) is 50% to 100%.

3. The photovoltaic frame (101) according to claim 2, characterized in that, The first base (114) is provided with a first clamping part (117) matched with the support (20), the first clamping part (117) is arranged in the longitudinal direction of the second side wall (112), and the length ratio of the first clamping part (117) to the second side wall (112) is 50% to 100%; and / or, The second base (115) is provided with a second clamping part (118) matched with the support (20), the second clamping part (118) is arranged in the longitudinal direction of the third side wall (113), and the length ratio of the second clamping part (118) to the third side wall (113) is 50% to 100%.

4. A photovoltaic module (10), characterized in that The photovoltaic module (10) comprises the photovoltaic frame (101) of claim 1, and further comprises a laminated piece (12) fixedly mounted on the photovoltaic frame (101).

5. A photovoltaic power generation device characterized by comprising: The photovoltaic power generation device comprises the photovoltaic module (10) of claim 4, and further comprises a support (20), and the first base (114) and the second base (115) are used for clamping and mounting on the support (20) of the photovoltaic power generation device.

6. The photovoltaic power device of claim 5, wherein, The first base (114) is provided with a first clamping part (117), the second base (115) is provided with a second clamping part (118), the support (20) comprises a first supporting wall (21), a third clamping part (22), a second supporting wall (23) and a fourth clamping part (24); the first supporting wall (21) and the second supporting wall (23) are oppositely and spacedly arranged; the first supporting wall (21) is connected with the third clamping part (22), and the third clamping part (22) is clamped and matched with the first clamping part (117); the second supporting wall (23) is connected with the fourth clamping part (24), and the fourth clamping part (24) is clamped and matched with the second clamping part (118).

7. The photovoltaic power device of claim 6, wherein, The third clamping part (22) is arranged on the side of the first supporting wall (21) facing the second supporting wall (23), and the fourth clamping part (24) is arranged on the side of the second supporting wall (23) facing the first supporting wall (21); the first clamping part (117) is provided with a first clamping hook (1171); the second clamping part (118) is provided with a second clamping hook (1181), and the first clamping hook (1171) and the second clamping hook (1181) are arranged away from each other; the distance L between the first clamping part (117) and the second clamping part (118) gradually increases in the direction in which the frame body (11) is loaded into the support (20).

8. The photovoltaic power device of claim 7, wherein, The first base (114) further comprises a first mounting wall (1141) and a second mounting wall (1142); the first mounting wall (1141) is connected with the second mounting wall (1142), and the first mounting wall (1141) is further connected with the first clamping part (117); the first clamping part (117) and the second mounting wall (1142) are oppositely and spacedly arranged; the first clamping part (117) is arranged at an acute angle with the first mounting wall (1141); the third clamping part (22) and the first supporting wall (21) extend into the area enclosed by the first clamping part (117), the first mounting wall (1141) and the second mounting wall (1142), the third clamping part (22) further abuts and matches with the first mounting wall (1141), and the first supporting wall (21) abuts and matches with the second mounting wall (1142); The second base (115) further comprises a third mounting wall (1151) and a fourth mounting wall (1152); the third mounting wall (1151) is connected with the fourth mounting wall (1152), and the third mounting wall (1151) is also connected with the second clamping part (118); the second clamping part (118) is oppositely spaced from the fourth mounting wall (1152); the second clamping part (118) is arranged at an acute angle with the third mounting wall (1151); the fourth clamping part (24) and the second support wall (23) can extend into the area enclosed by the second clamping part (118), the third mounting wall (1151) and the fourth mounting wall (1152), the fourth clamping part (24) also abuts with the third mounting wall (1151), and the second support wall (23) abuts with the fourth mounting wall (1152).

9. The photovoltaic power device of claim 8, wherein, The photovoltaic power generation device further satisfies at least one of the following conditions: (1) The side of the second mounting wall (1142) facing the first clamping part (117) is formed with a first recessed part (1143) recessed in a direction away from the first clamping part (117); (2) The side of the fourth mounting wall (1152) facing the second clamping part (118) is formed with a second recessed part (1153) recessed in a direction away from the second clamping part (118); (3) The surface of the first clamping hook (1171) abutting the third clamping part (22) is provided with a first anti-slip part (1172); (4) The surface of the second clamping hook (1181) abutting the fourth clamping part (24) is provided with a second anti-slip part (1182); (5) The first clamping hook (1171) is located at the end of the first clamping part (117) away from the first mounting wall (1141), and the side of the first clamping hook (1171) facing away from the first mounting wall (1141) is provided with a first guide surface (1173); (6) The second clamping hook (1181) is located at the end of the second clamping part (118) away from the third mounting wall (1151), and the side of the second clamping hook (1181) facing away from the third mounting wall (1151) is provided with a second guide surface (1183); (7) The photovoltaic power generation device further comprises a first fastener (30), and the second mounting wall (1142) and the first support wall (21) are connected and fixed by the first fastener (30); (8) The photovoltaic power generation device further comprises a second fastener, and the second mounting wall (1142) and the first support wall (21) are connected and fixed by the first fastener (30); (9) The support (20) further comprises an abutting piece (26) arranged between the first support wall (21) and the second support wall (23), the abutting piece (26) being provided with a first abutting surface (261) and a second abutting surface (262), the first abutting surface (261) being in abutting cooperation with the first clamping part (117), and the second abutting surface (262) being in abutting cooperation with the second clamping part (118).

10. The photovoltaic power device of claim 5, wherein, The first base (114) further comprises a third support wall (1144), and the second base (115) further comprises a fourth support wall (1154), the bottom surface of the third support wall (1144) and the bottom surface of the fourth support wall (1154) being arranged on the same plane.

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