A frame structure and a photovoltaic module

Abstract

The utility model discloses a kind of frame structure and photovoltaic module, the frame structure includes first frame, second frame and angle code.First frame is provided with bayonet slot and first angle code slot, bayonet slot is suitable for with the side of photovoltaic board clamping, second frame is provided with abutting portion and second angle code slot, abutting portion is L-shaped structure, abutting portion is suitable for with the side of photovoltaic board connection, abutting portion is suitable for with the side of photovoltaic board connection, the end of abutting portion and photovoltaic board connection lower than the upper end surface of photovoltaic board, angle code one end is set first angle code slot, angle code other end is set second angle code slot, first frame and adjacent second frame are sequentially connected by angle code in turn head to tail in order.The frame structure and photovoltaic module can reduce the accumulation of dust when cleaning the upper end surface of photovoltaic board.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic installation technology, and in particular to a frame structure and a photovoltaic module. Background Technology

[0002] Photovoltaic modules include a frame structure for external structural support and photovoltaic panels installed within the frame structure. Photovoltaic power generation elements are installed on the photovoltaic panels. When the surface of the photovoltaic panels is manually cleaned or washed by rainwater, dust on the surface of the photovoltaic panels will accumulate with the water flow at the connection between the frame and the photovoltaic panels. Over time, the dust accumulation area will gradually expand to the area of ​​the photovoltaic power generation elements. After the photovoltaic power generation elements are blocked, the output of photovoltaic power generation will be affected, and hot spots will easily form, leading to safety hazards such as fire. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a frame structure that can reduce dust accumulation when cleaning the surface of photovoltaic panels.

[0004] This utility model also proposes a photovoltaic module having the above-mentioned frame structure.

[0005] The frame structure according to the first aspect of the present invention includes:

[0006] The first frame has a snap-fit ​​groove and a first corner code groove, the snap-fit ​​groove being adapted to snap onto one side of the photovoltaic panel;

[0007] The second frame has an abutment portion and a second corner bracket groove. The abutment portion has an L-shaped structure and is adapted to connect with one side of the photovoltaic panel. The abutment portion is adapted to connect with the side edge of the photovoltaic panel, and the end of the abutment portion connected to the photovoltaic panel is lower than the upper surface of the photovoltaic panel.

[0008] The corner code has a first corner code slot at one end and a second corner code slot at the other end. The first frame and the adjacent second frame are connected sequentially end to end through the corner code.

[0009] According to some embodiments of the present invention, the first frame includes an overlapping portion and a first support portion connected vertically, the bayonet groove is formed on the overlapping portion, the first corner code groove is formed on the first support portion, and a first mounting section is also provided at the bottom of the first support portion, the first mounting section being parallel to the upper surface of the photovoltaic panel.

[0010] According to some embodiments of the present invention, the overlapping portion includes a first horizontal segment, a first vertical segment, and a second horizontal segment connected in sequence. The first horizontal segment is adapted to connect with the bottom surface of the photovoltaic panel, the first vertical segment is adapted to connect with the side surface of the photovoltaic panel, and the second horizontal segment is adapted to connect with the top surface of the photovoltaic panel. A first protrusion is provided at one end of the second horizontal segment near the first vertical segment, and the side of the second horizontal segment near the photovoltaic panel is a concave arc surface. The first protrusion and the second horizontal segment form a glue storage groove.

[0011] According to some embodiments of the present invention, the first frame further includes a reinforcing rib, one end of which is connected to the bottom surface of the overlapping portion, and the other end of which is connected to the side of the first support portion.

[0012] According to some embodiments of the present invention, the second frame is provided with a second support portion, the abutting portion is connected vertically to the second support portion, the second corner code groove is opened on the second support portion, and the bottom of the second support portion is also provided with a second mounting section, the second mounting section being parallel to the lower end surface of the photovoltaic panel.

[0013] According to some embodiments of the present invention, the bottom wall of the first corner code groove is provided with a plurality of second protrusions, the top wall of the first corner code groove is provided with a plurality of third protrusions, the corner code is clamped between the plurality of second protrusions and the plurality of third protrusions, the bottom wall of the second corner code groove is provided with a plurality of fourth protrusions, the top wall of the second corner code groove is provided with a plurality of fifth protrusions, and the corner code is clamped between the plurality of fourth protrusions and the plurality of fifth protrusions.

[0014] According to some embodiments of the present invention, the corner code has a right-angled structure, and the corner code has a serrated structure on both sides of the inner corner. The serrated structure is adapted to abut against the inner wall of the first corner code groove and the second corner code groove. The corner code has pointed protrusions at both ends away from the inner corner, and the cross-section of the pointed protrusions gradually decreases along the direction away from the inner corner of the corner code.

[0015] According to some embodiments of this utility model, it also includes a fixing member and a connecting member. The length of the fixing member in the horizontal direction is less than the side length of the photovoltaic panel. The fixing member includes a cover pressing part and a mounting part connected front and rear. The mounting part is fixedly disposed on the outside of the second frame through the connecting member. The connecting member is located below the photovoltaic panel. The cover pressing part and the abutting part form a clamping mouth structure. The cover pressing part is a triangular structure.

[0016] According to some embodiments of the present invention, the fixing member is in contact with the first frame.

[0017] A photovoltaic module according to a second aspect of the present invention includes a frame structure according to the first aspect of the present invention described above.

[0018] The present invention has at least the following beneficial effects: the first frame is connected to both sides of the photovoltaic panel through the snap-fit ​​groove, and the second frame is connected to the other two sides of the photovoltaic panel through the abutment part. The first and second frame panels are fastened together by using corner brackets through the first and second corner bracket grooves, which ensures that the entire frame structure has sufficient structural strength and stability. Furthermore, the end of the L-shaped abutment part of the second frame that is connected to the side of the photovoltaic panel is lower than the upper surface of the photovoltaic panel, so that when the photovoltaic panel is manually cleaned or washed by rainwater, the water carrying dust can flow smoothly down the surface of the photovoltaic panel and over the connection between the abutment part and the side of the photovoltaic panel, reducing the accumulation and retention of water and dust.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is an assembly structure diagram of the frame structure according to an embodiment of the present utility model;

[0022] Figure 2 yes Figure 1 The cross-sectional view of the left corner bracket is hidden at point AA;

[0023] Figure 3 This is a diagram of the first frame, left corner bracket, and photovoltaic assembly structure of the frame structure according to an embodiment of the present utility model;

[0024] Figure 4 This is a top view of the corner bracket structure of the border structure according to an embodiment of the present utility model.

[0025] Figure label:

[0026] First frame 100, bayonet groove 110, first corner bracket groove 120, second protrusion 121, third protrusion 122, overlapping part 130, first horizontal section 131, first vertical section 132, second horizontal section 133, first protrusion 134, glue storage tank 135, first support part 140, first mounting section 141, reinforcing rib 150.

[0027] Second frame 200, abutment portion 210, second vertical section 211, third horizontal section 212, second corner bracket groove 220, fourth protrusion 221, fifth protrusion 222, second support portion 230, second mounting section 231.

[0028] Corner code 300, serrated structure 310, pointed protrusion 320

[0029] Fastener 400, cover pressing part 410, mounting part 420

[0030] Connector 500

[0031] Photovoltaic panel 600. Detailed Implementation

[0032] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0033] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "vertical," "horizontal," "bottom," and "inner," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 utility model. Furthermore, features defined as "first" or "second" may explicitly or implicitly include one or more of those features. In the description of this invention, unless otherwise stated, "several" means two or more.

[0034] In the description of this utility model, unless otherwise explicitly defined, the terms "setting", "installing", "connecting", "linking", etc. should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in combination with the specific content of the technical solution.

[0035] The following is for reference. Figures 1 to 4 The border structure according to an embodiment of the present utility model is described.

[0036] refer to Figures 1 to 4 As shown, a border structure according to an embodiment of the present utility model includes a first border 100, a second border 200, and a corner code 300.

[0037] The first frame 100 has a snap-fit ​​groove 110 and a first corner code groove 120. The snap-fit ​​groove 110 is adapted to snap into one side of the photovoltaic panel 600. The second frame 200 has an abutment part 210 and a second corner code groove 220. The abutment part 210 has an L-shaped structure and is adapted to connect to one side of the photovoltaic panel 600. The abutment part 210 is adapted to connect to the side edge of the photovoltaic panel 600. The end of the abutment part 210 connected to the photovoltaic panel 600 is lower than the upper surface of the photovoltaic panel 600. One end of the corner code 300 passes through the first corner code groove 120, and the other end of the corner code 300 passes through the second corner code groove 220. The first frame 100 and the adjacent second frame 200 are connected sequentially end to end through the corner code 300.

[0038] When installing the photovoltaic panel 600 using two first frame frames 100, two second frame frames 200, and four corner brackets 300, the left and right sides of the photovoltaic panel 600 are first fixed by the slots 110 of the two first frame frames 100, and then the front and rear sides of the photovoltaic panel 600 are supported by the abutment parts 210 of the two second frame frames 200. One end of the corner bracket 300 passes through the first corner bracket slot 120 on the first frame frame 100, and the other end passes through the second corner bracket slot 220 on the second frame frame 200, thereby realizing the positioning connection between the first frame frame 100 and the second frame frame 200. The abutment portion 210 of the photovoltaic panel 600 has an L-shaped structure, which is adapted to the lower edge of the front and rear sides of the photovoltaic panel 600. One end of the abutment portion 210 can contact the bottom surface of the photovoltaic panel 600, while the other end can contact the side surface of the photovoltaic panel 600. The end of the abutment portion 210 connected to the side of the photovoltaic panel 600 is lower than the upper surface of the photovoltaic panel 600, thereby forming a cavity with notches on the front and rear sides with the bayonet groove 110. This allows the photovoltaic panel 600 to be placed stably, and when there is liquid flowing on the photovoltaic panel 600, it can flow directly out from the front and rear sides without dust accumulation.

[0039] Understandably, the number of the first frame 100, the second frame 200, and the corner brackets 300 is selected based on the actual shape of the photovoltaic panel 600. When the photovoltaic panel 600 is rectangular, two first frames 100, two second frames 200, and four corner brackets 300 can be connected sequentially. The positions of the first frame 100 and the second frame 200 can be adjacent or opposite. The corner brackets 300 can connect not only the first frame 100 and the second frame 200, but also two first frames 100 or two second frames. When the photovoltaic panel 600 is rectangular, it can also be assembled with three first frames 100, one second frame 200, and four corner brackets 300, or it can be assembled with three second frames 200, one first frame 100, and four corner brackets 300.

[0040] Understandably, in the prior art, adhesive products are often used to assist in the connection between the contact surface of the photovoltaic panel 600 and the first frame 100 and the contact surface of the photovoltaic panel 600 and the second frame 200, thereby further ensuring the stability of the connection.

[0041] In some specific embodiments of this utility model, the first frame 100 includes an overlapping part 130 and a first support part 140 connected vertically. A slot 110 is formed on the overlapping part 130, and a first corner code slot 120 is formed on the first support part 140. A first mounting section 141 is also provided at the bottom of the first support part 140. The first mounting section 141 is parallel to the upper surface of the photovoltaic panel 600.

[0042] refer to Figure 3 As shown, in this embodiment, the overlapping part 130 is adapted to be connected with the photovoltaic panel 600. The first support part 140 has a rectangular structure, which can well support the overlapping part 130 and the photovoltaic panel 600. The first support part 140 has a rectangular first corner code groove 120 that can be adapted to the corner code 300. The first corner code groove 120 runs through the entire first frame 100, which can reduce the weight of the first frame 100 and facilitate installation and connection. The first mounting section 141 is located on the bottom side of the first support part 140 and extends towards the center of the photovoltaic panel 600, which can facilitate the installation of the first frame 100 onto other devices.

[0043] Understandably, the first installation section 141 can also be configured to extend in the opposite direction to the center of the photovoltaic panel 600, or extend vertically, in order to meet the connection requirements in different scenarios.

[0044] In some specific embodiments of this utility model, the overlapping part 130 includes a first horizontal section 131, a first vertical section 132 and a second horizontal section 133 connected in sequence. The first horizontal section 131 is adapted to connect with the bottom surface of the photovoltaic panel 600, the first vertical section 132 is adapted to connect with the side surface of the photovoltaic panel 600, and the second horizontal section 133 is adapted to connect with the top surface of the photovoltaic panel 600. A first protrusion 134 is provided at one end of the second horizontal section 133 near the first vertical section 132. The side of the second horizontal section 133 near the photovoltaic panel 600 is concave arc surface. The first protrusion 134 and the second horizontal section 133 form a glue storage groove 135.

[0045] refer to Figure 3As shown, in this embodiment, the first horizontal segment 131 can contact the bottom surface of the photovoltaic panel 600, the first vertical segment 132 can contact the side of the photovoltaic panel 600, and the second horizontal segment 133 and the first protrusion 134 can contact the upper surface of the photovoltaic panel 600. The first horizontal segment 131, the first vertical segment 132, the second horizontal segment 133 and the first protrusion 134 form a slot 110. The adhesive storage tank 135 can accumulate adhesive, which can prevent the adhesive from splashing onto the upper surface of the photovoltaic panel 600 when the slot 110 is filled with excessive adhesive and is bonded to the photovoltaic panel 600.

[0046] It is understandable that the second horizontal segment 133 is shorter in the horizontal direction than the first horizontal segment 131, which facilitates the installation of the photovoltaic panel 600.

[0047] In some specific embodiments of this utility model, the first frame 100 further includes a reinforcing rib 150, one end of which is connected to the bottom surface of the overlapping portion 130, and the other end of which is connected to the side surface of the first support portion 140.

[0048] refer to Figure 3 As shown, in this embodiment, the reinforcing rib 150 has an arc structure. The reinforcing rib 150 connects the bottom surface of the overlapping portion 130 and the side surface of the first support portion 140, which can improve the structural stability of the first frame 100 and further enhance its support capacity for the photovoltaic panel 600. It is understood that the reinforcing rib 150 can also be connected at one end to the side surface of the first support portion 140 and at the other end to the first mounting section 141. It is understood that the number of reinforcing ribs 150 can be set according to the length of the first frame 100 in the front-back direction to ensure a stable connection. It is understood that the shape of the reinforcing rib 150 can also be circular, rectangular, or triangular, etc.

[0049] In some specific embodiments of this utility model, the second frame 200 is provided with a second support portion 230, the abutment portion 210 is connected vertically to the second support portion 230, the second corner code groove 220 is opened on the second support portion 230, and the bottom of the second support portion 230 is also provided with a second mounting section 231, which is parallel to the lower end surface of the photovoltaic panel 600.

[0050] refer to Figure 2 As shown, in this embodiment, the second support part 230 has a rectangular structure, which can well support the overlapping part 130 and the photovoltaic panel 600. The second support part 230 has a rectangular second corner bracket groove 220 that runs through the entire second frame 200, which can reduce the weight of the second frame 200 and facilitate installation and connection. The second mounting section 231 is located on the bottom side of the second support part 230 and extends towards the center of the photovoltaic panel 600, which can facilitate the installation of the second frame 200 onto other devices.

[0051] Understandably, the second installation section 231 can also be configured to extend in the opposite direction to the center of the photovoltaic panel 600, or extend vertically, in order to meet the connection requirements in different scenarios.

[0052] It is understood that the contact portion 210 has an L-shaped structure, which can be composed of a second vertical section 211 and a third horizontal section 212. The second vertical section 211 can contact the side of the photovoltaic panel 600, and the third horizontal section 212 can contact the bottom surface of the photovoltaic panel 600. The height of the second vertical section 211 in the vertical direction is lower than the height of the photovoltaic panel 600 in the vertical direction, thereby ensuring that the cleaning liquid can flow directly away from the upper end of the contact portion 210 on the surface of the photovoltaic panel 600.

[0053] In some specific embodiments of this utility model, the bottom wall of the first corner code groove 120 is provided with a plurality of second protrusions 121, the top wall of the first corner code groove 120 is provided with a plurality of third protrusions 122, and the corner code 300 is sandwiched between the plurality of second protrusions 121 and the plurality of third protrusions 122. The bottom wall of the second corner code groove 220 is provided with a plurality of fourth protrusions 221, the top wall of the second corner code groove 220 is provided with a plurality of fifth protrusions 222, and the corner code 300 is sandwiched between the plurality of fourth protrusions 221 and the plurality of fifth protrusions 222.

[0054] refer to Figure 2 and Figure 3 As shown, in this embodiment, three of each of the second protrusion 121 and the third protrusion 122 are provided to secure the connection between the corner bracket 300 and the first corner bracket groove 120. Three of each of the fourth protrusion 221 and the fifth protrusion 222 are provided to secure the connection between the corner bracket 300 and the second corner bracket groove 220, thereby ensuring the secure connection between the first frame 100 and the second frame 200.

[0055] It is understandable that the number and structure of the second protrusion 121, the third protrusion 122, the fourth protrusion 221 and the fifth protrusion 222 can be the same or different. The structure of the second protrusion 121, the third protrusion 122, the fourth protrusion 221 and the fifth protrusion 222 can be triangular, trapezoidal or hemispherical, etc., while ensuring a stable connection with the corner bracket 300.

[0056] In some specific embodiments of this utility model, the corner code 300 has a right-angle structure. The corner code 300 has a serrated structure 310 on both sides of the inner corner. The serrated structure 310 is suitable for abutting against the inner wall of the first corner code groove 120 and the second corner code groove 220. The corner code 300 has a pointed protrusion 320 at both ends away from the inner corner. The cross-section of the pointed protrusion 320 gradually decreases along the direction away from the inner corner of the corner code 300.

[0057] Referring to Figure 4, in this embodiment, the cross-section of the pointed protrusion 320 gradually decreases along the direction away from the inner angle of the corner bracket 300, which facilitates the insertion of the corner bracket 300 into the first corner bracket slot 120 and the second corner bracket slot 220, making installation more convenient. It can be understood that the serrated structure 310 facing the inner angle of the corner bracket 300 makes installation of the corner bracket 300 easier and the connection more secure.

[0058] In some specific embodiments of this utility model, it also includes a fixing member 400 and a connecting member 500. The length of the fixing member 400 in the horizontal direction is less than the side length of the photovoltaic panel 600. The fixing member 400 includes a cover pressing part 410 and a mounting part 420 connected from front to back. The mounting part 420 is fixedly disposed on the outside of the second frame 200 through the connecting member 500. The connecting member 500 is located below the photovoltaic panel 600. The cover pressing part 410 and the abutment part 210 form a clamping mouth structure. The cover pressing part 410 has a triangular structure.

[0059] refer to Figure 2 As shown, in this embodiment, the length of the fixing member 400 in the horizontal direction is less than the side length of the photovoltaic panel 600, which can avoid affecting the flow of cleaning liquid. The fixing member 400 has an L-shaped structure, one side of which is the mounting part 420, which forms a stable connection with the second frame 200 through the connector 500. The other side is the cover part 410, which covers the upper end surface of the photovoltaic panel 600 and forms a clamping structure with the abutment part 210, thereby enabling the second frame 200 to better connect to the photovoltaic panel 600. The cover part 410 has a triangular structure that can divert the cleaning liquid and prevent the cleaning liquid from accumulating on the fixing member 400. The connection member 500 is located below the photovoltaic panel 600 to ensure that the photovoltaic panel 600 is not damaged when the fixing member 400 is installed.

[0060] It is understood that a buffer part 430 may also be provided on the inner side of the fastener 400. The buffer part 430 contacts the second frame 200 and the photovoltaic panel 600, which can prevent hard compression damage to the second frame 200 and the photovoltaic panel 600. The buffer part 430 may be made of silicone, rubber and resin materials. The side of the buffer part 430 that contacts the second frame 200 and the photovoltaic panel 600 may also be provided with stripes to further improve the buffer compression capacity.

[0061] It is understandable that the connector 500 can use screws, bolts, or bolts with nuts for connection, and the number of connectors 500 can be set according to the size of the mounting part 420 to ensure a stable connection between the fastener 400 and the second frame 200. It is also understandable that an adhesive can be used to reinforce the connection between the cover part 410 and the photovoltaic panel 600.

[0062] Understandably, in real-world production applications, the photovoltaic panel 600 can be a rectangle with a length of 2384 mm and a width of 1303 mm, and the side length of the fastener 400 is usually 10 mm, so there will be no problem of cleaning liquid accumulation.

[0063] Understandably, the shape of the cover pressure part 410 can be trapezoidal, pentagonal or hexagonal, provided that cleaning liquid does not accumulate.

[0064] In some specific embodiments of this utility model, the fixing member 400 is in contact with the first frame 100.

[0065] refer to Figure 1 As shown, in this embodiment, four fasteners 400 are provided, symmetrically attached to the first frame 100 in pairs, one side of the cover 410 completely fitting against the side of the first frame 100, allowing cleaning liquid to flow out from the other side of the cover 410. It is understood that multiple fasteners 400 can also be provided, and they may not contact the first frame 100, allowing cleaning liquid to flow out from the gaps between the fasteners 400 and between the fasteners 400 and the first frame 100. It is understood that when the fasteners 400 are in contact with the first frame 100, the connector 500 is located on the side of the corner bracket 300.

[0066] This utility model embodiment also discloses a photovoltaic module, including the above-described frame structure.

[0067] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A frame structure applied to photovoltaic modules, characterized in that, include: The first frame (100) has a snap-fit ​​groove (110) and a first corner code groove (120), and the snap-fit ​​groove (110) is adapted to snap-fit ​​with one side of the photovoltaic panel (600); The second frame (200) is provided with an abutment part (210) and a second corner code groove (220). The abutment part (210) has an L-shaped structure and is adapted to be connected to one side of the photovoltaic panel (600). The abutment part (210) is adapted to be connected to the side edge of the photovoltaic panel (600). The end of the abutment part (210) connected to the photovoltaic panel (600) is lower than the upper surface of the photovoltaic panel (600). The corner code (300) has one end through the first corner code slot (120) and the other end through the second corner code slot (220). The first frame (100) and the adjacent second frame (200) are connected sequentially end to end through the corner code (300).

2. The frame structure according to claim 1, characterized in that, The first frame (100) includes an overlapping part (130) and a first support part (140) connected vertically. The bayonet groove (110) is formed on the overlapping part (130), and the first corner code groove (120) is formed on the first support part (140). The bottom of the first support part (140) is also provided with a first mounting section (141), which is parallel to the upper surface of the photovoltaic panel (600).

3. A border structure according to claim 2, characterized in that, The overlapping part (130) includes a first horizontal section (131), a first vertical section (132) and a second horizontal section (133) connected in sequence. The first horizontal section (131) is adapted to be connected to the bottom surface of the photovoltaic panel (600), the first vertical section (132) is adapted to be connected to the side surface of the photovoltaic panel (600), and the second horizontal section (133) is adapted to be connected to the top surface of the photovoltaic panel (600). A first protrusion (134) is provided at one end of the second horizontal section (133) near the first vertical section (132). The side of the second horizontal section (133) near the photovoltaic panel (600) is concave. The first protrusion (134) and the second horizontal section (133) form a glue storage groove (135).

4. A border structure according to claim 2, characterized in that, The first frame (100) also includes a reinforcing rib (150), one end of which is connected to the bottom surface of the overlapping part (130), and the other end of which is connected to the side of the first support part (140).

5. A frame structure according to claim 1, characterized in that, The second frame (200) is provided with a second support part (230), the abutting part (210) is connected vertically to the second support part (230), the second corner code groove (220) is opened on the second support part (230), and the bottom of the second support part (230) is also provided with a second mounting section (231), which is parallel to the lower end surface of the photovoltaic panel (600).

6. A border structure according to claim 1, characterized in that, The bottom wall of the first corner code slot (120) is provided with a plurality of second protrusions (121), and the top wall of the first corner code slot (120) is provided with a plurality of third protrusions (122). The corner code (300) is sandwiched between the plurality of second protrusions (121) and the plurality of third protrusions (122). The bottom wall of the second corner code slot (220) is provided with a plurality of fourth protrusions (221), and the top wall of the second corner code slot (220) is provided with a plurality of fifth protrusions (222). The corner code (300) is sandwiched between the plurality of fourth protrusions (221) and the plurality of fifth protrusions (222).

7. A border structure according to claim 1, characterized in that, The corner code (300) has a right-angle structure. The corner code (300) has a serrated structure (310) on both sides of the inner corner. The serrated structure (310) is adapted to abut against the inner wall of the first corner code groove (120) and the second corner code groove (220). The corner code (300) has a pointed protrusion (320) at both ends away from the inner corner. The cross-section of the pointed protrusion (320) gradually decreases along the direction away from the inner corner of the corner code (300).

8. A border structure according to claim 1, characterized in that, It also includes a fixing member (400) and a connecting member (500). The fixing member (400) is shorter in length in the horizontal direction than the side length of the photovoltaic panel (600). The fixing member (400) includes a cover pressing part (410) and a mounting part (420) connected front and rear. The mounting part (420) is fixedly disposed on the outside of the second frame (200) through the connecting member (500). The connecting member (500) is located below the photovoltaic panel (600). The cover pressing part (410) and the abutting part (210) form a clamping structure. The cover pressing part (410) is a triangular structure.

9. A border structure according to claim 8, characterized in that, The fastener (400) is in contact with the first frame (100).

10. A photovoltaic module, characterized in that, Includes the border structure as described in any one of claims 1 to 9.

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