Frameless photovoltaic module mounting structure

Abstract

The invention relates to the technical field of photovoltaic modules, and discloses a frameless photovoltaic module mounting structure which comprises a photovoltaic module, a mounting frame and a plurality of first locking structures. The edge of the photovoltaic module is coated with a sealing layer. The mounting rack comprises a mounting frame and a bracket; the mounting frame is of a rectangular frame structure; the edge of the bearing surface of the mounting frame is provided with a limiting protrusion, the limiting protrusion is used for positioning the edge of the photovoltaic module, the height of the limiting protrusion does not exceed the thickness of the photovoltaic module, and the four first notches are located at the corners of the mounting frame respectively. Each first locking structure comprises a first fixing part and a first locking part, each first fixing part comprises a first panel and a first side plate which are connected, the first panels are attached to the photovoltaic modules, the first side plates are attached to the side faces of the corners of the mounting frame, and the first side plates are connected with the side faces of the corners of the mounting frame through the first locking parts. Through the above structure, the problem of rainwater and dust accumulation is avoided, the power generation efficiency of the photovoltaic module is improved, the size of the photovoltaic module can be reduced, and the transportation difficulty is reduced.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic module technology, and more specifically to a frameless photovoltaic module mounting structure. Background Technology

[0002] A photovoltaic (PV) module is a composite structure composed of tempered glass, solar cells, and a backsheet, capable of generating electricity using solar energy. PV modules are typically supported on the ground or other supporting surfaces using mounting brackets. During assembly, the PV module and mounting bracket are first aligned. Then, perforated aluminum alloy sheets are positioned to the edges of the PV module and the mounting bracket. Bolts are then used to vertically fix the aluminum alloy sheets to the mounting bracket. The aluminum alloy sheets and mounting bracket together clamp the PV module, completing the fixation. Because the edges of the PV module are subjected to pressure from the aluminum alloy sheets and mounting bracket, to prevent damage to the tempered glass and backsheet, related technologies often incorporate an aluminum alloy frame during manufacturing. The aluminum alloy sheets and mounting bracket are pressed against this frame, thus protecting the PV module. Specifically, the aluminum alloy frame has multiple closed-loop grooves on its inner side, with tempered glass, solar cells, and backsheet embedded in their respective grooves. While this structure ensures the structural stability of the photovoltaic module, it also creates a closed-loop enclosure on the tempered glass surface. Since the photovoltaic module is exposed to the elements, rainwater can accumulate on the module, leading to corrosion and scale buildup. Scale can obstruct power generation and even cause heat plate effects, severely impacting the module's efficiency. Dust accumulation on the enclosure also presents similar problems. Furthermore, the aluminum alloy frame is complex to manufacture and increases the size of the photovoltaic module, making transportation difficult. Therefore, the problems of reduced power generation efficiency, complex manufacturing processes, and transportation difficulties caused by unreasonable photovoltaic modules, their mounting brackets, and installation methods urgently need to be addressed. Summary of the Invention

[0003] This invention provides a frameless photovoltaic module mounting structure to solve the problems of reduced power generation efficiency, complex manufacturing process, and difficult transportation caused by unreasonable photovoltaic modules, their mounting brackets, and installation methods.

[0004] This invention provides a frameless photovoltaic module mounting structure, comprising: A photovoltaic module is integrally formed by stacking a front panel, encapsulation material, cell string, encapsulation material and back panel in sequence and through a lamination process. The edges of the photovoltaic module are coated with a sealing layer. The mounting frame includes a mounting frame and brackets. The mounting frame is a rectangular frame structure, and two brackets are respectively located on opposite sides of the bottom of the mounting frame. The mounting frame has a bearing surface, and the edge of the bearing surface is provided with a limiting protrusion. The bearing surface is used to support photovoltaic modules, and the limiting protrusion is used to position the edge of the photovoltaic modules. The height of the limiting protrusion does not exceed the thickness of the photovoltaic modules. The limiting protrusion is provided with a first notch, and four first notches are respectively located at the corners of the mounting frame. Multiple first locking structures are provided. Each first locking structure includes a first fixing member and a first locking member. The first fixing member includes a connected first panel and a first side panel. The first panel is adapted to the shape of the corner of the mounting frame. The first side panel is attached to the side of the corner of the mounting frame. The first panel passes through a corresponding first notch and is partially attached to the corner of the upper surface of the photovoltaic module. The first locking member connects the first side panel and the side of the corner of the mounting frame.

[0005] In one optional embodiment, the first panel is L-shaped, the first side panel is bent and connected to the outer corner of the first panel, and the first side panel and the first panel are perpendicular to each other.

[0006] In an optional embodiment, a first limiting step is provided on the lower surface of the first panel away from the first side panel. The first limiting step matches the shape of the corner of the upper surface of the photovoltaic module, and the two surfaces of the first limiting step respectively fit the upper surface and side of the corner of the photovoltaic module.

[0007] In an optional embodiment, the first side plate is bent to form a first surface and a second surface corresponding to two adjacent sides of the corner of the mounting frame, respectively. The first surface and the second surface are provided with a first through hole. The two adjacent sides of the corner of the mounting frame are provided with a first threaded hole corresponding to the first through hole. The first locking member is a screw. The two first locking members pass through the corresponding first through hole and are threadedly connected to the corresponding first threaded hole.

[0008] In an optional embodiment, the limiting protrusion is provided with a second notch, and at least four second notches are respectively provided on the four sides of the mounting frame; The frameless photovoltaic module mounting structure also includes multiple second locking structures. The second locking structure includes a second fixing member and a second locking member. The second fixing member includes a connected second panel and a second side panel. The second side panel is attached to the side of the mounting frame. The second panel passes through the corresponding second notch and is partially attached to the edge of the upper surface of the photovoltaic module. The second locking member connects the second side panel to the side of the mounting frame.

[0009] In one optional embodiment, the second panel and the second side plate are perpendicular to each other; the second side plate is provided with a second through hole, and the side of the mounting frame is provided with a second threaded hole corresponding to the second through hole; the second locking member is a screw, which passes through the corresponding second through hole and is threadedly connected to the corresponding second threaded hole.

[0010] In an optional embodiment, a second limiting step is provided on the side of the lower surface of the second panel away from the second side panel, and the two surfaces of the second limiting step are respectively attached to the upper surface and the side of the photovoltaic module.

[0011] In an optional embodiment, the second panel is provided with a screw hole, one end of which is open on the second side plate, and the other end of which is open on the surface of the second limiting step corresponding to the side of the photovoltaic module. The screw hole is provided with a fastening bolt and a spring. The fastening bolt passes through the spring and the screw hole and abuts against the side of the photovoltaic module. The spring is located between the head of the fastening bolt and the second side plate.

[0012] In an optional embodiment, the mounting frame includes two crossbeams, two longitudinal beams, and an annular bracket. The two crossbeams and two longitudinal beams are connected to form the rectangular frame structure. The annular bracket is disposed on the upper surface of the two crossbeams and two longitudinal beams. The annular bracket has a flange, which forms the limiting protrusion. The limiting protrusion has a first notch and a second notch corresponding to it.

[0013] In one optional embodiment, the bracket is L-shaped, with one end connected to the crossbeam and the other end connected to the longitudinal beam.

[0014] Beneficial effects: 1. The frameless photovoltaic module mounting structure provided by the present invention includes: a photovoltaic module, a mounting frame, and multiple first locking structures. The photovoltaic module is integrally formed by sequentially stacking a front panel, encapsulation material, cell strings, encapsulation material, and back panel and performing a lamination process. The edges of the photovoltaic module are coated with a sealing layer. The mounting frame includes a mounting frame and brackets. The mounting frame has a rectangular frame structure, and two brackets are respectively located on opposite sides of the bottom of the mounting frame. The mounting frame has a bearing surface, and the edge of the bearing surface is provided with a limiting protrusion. The bearing surface is used to support the photovoltaic module, and the limiting protrusion is used to position the edge of the photovoltaic module. The height of the limiting protrusion does not exceed the thickness of the photovoltaic module. The limiting protrusion is provided with a first notch, and four first notches are respectively located at the corners of the mounting frame. Multiple first locking structures are provided. Each first locking structure includes a first fixing member and a first locking member. The first fixing member includes a connected first panel and a first side panel. The shape of the first panel is adapted to the corner of the mounting frame. The first side panel is attached to the side of the corner of the mounting frame. The first panel passes through the corresponding first notch and is partially attached to the corner of the upper surface of the photovoltaic module. The first locking member connects the first side panel and the side of the corner of the mounting frame.

[0015] During assembly, the photovoltaic module can be placed on the bearing surface of the mounting frame, with the edge of the photovoltaic module fitting against the inner side of the limiting protrusion. The limiting protrusion achieves initial positioning of the photovoltaic module. Subsequently, multiple first locking structures are installed. In the first fixing component of each first locking structure, the shape of the first panel is adapted to the corner of the mounting frame. The first panel is passed through the corresponding first notch, so that part of the first panel fits against the corner of the upper surface of the photovoltaic module. At the same time, the first side plate fits tightly against the side of the corner of the mounting frame. Finally, the first side plate is connected and fixed to the side of the corner of the mounting frame by the first locking component. Through multiple first locking structures, the four corners of the photovoltaic module can be fixed to the four corners of the mounting frame, completing the fastening installation of the photovoltaic module. The bracket can be used to install in the corresponding mounting position or on the mounting surface.

[0016] Compared to existing assembly methods for photovoltaic modules and mounting brackets, the mounting bracket and first locking structure provided in this invention, where the first panel is installed horizontally and fitted to the mounting frame to fix the photovoltaic module, prevents the photovoltaic module from experiencing significant vertical pressure. Therefore, the photovoltaic module does not require an aluminum alloy frame, preventing rainwater or dust accumulation during subsequent use. Furthermore, since the height of the limiting protrusion does not exceed the thickness of the photovoltaic module, the front panel remains unobstructed around its perimeter. This provides excellent positioning while further preventing rainwater or dust accumulation at the edges of the photovoltaic module. In rainy weather, rainwater can flow smoothly down the edges of the photovoltaic module, carrying away dust, and the sealing layer at the edges provides a seal. Therefore, this structure avoids the problems of rainwater and dust accumulation caused by traditional aluminum alloy frames, reduces corrosion and scale / dust residue, prevents the hot plate effect, and improves the power generation efficiency of the photovoltaic module. In addition, it simplifies the manufacturing process, reduces the size of the photovoltaic module, and thus lowers transportation costs.

[0017] 2. The frameless photovoltaic module mounting structure provided by this invention has an L-shaped first panel and a first side panel that is bent and connected to the outer corner of the first panel. The first side panel and the first panel are perpendicular to each other. The L-shaped first panel adapts to the shape of the corner of the mounting frame and the corner of the photovoltaic module, providing a wider fitting range, improving positioning accuracy and limiting effect. Furthermore, the perpendicularity between the first side panel and the first panel ensures the fitting degree between the first side panel and the side of the mounting frame corner, enhancing connection stability.

[0018] 3. The frameless photovoltaic module mounting structure provided by this invention has a first limiting step on the lower surface of the first panel opposite to the first side panel. The shape of the first limiting step matches the corner of the upper surface of the photovoltaic module, and the two surfaces of the first limiting step are respectively attached to the upper surface and side surface of the corner of the photovoltaic module. The first limiting step achieves bidirectional limiting through double surface attachment, which greatly improves the fixing stability of the corner of the photovoltaic module and prevents displacement in the horizontal and vertical directions.

[0019] 4. The frameless photovoltaic module mounting structure provided by this invention features a first side plate bent to form a first surface and a second surface corresponding to two adjacent sides of the mounting frame corner. Both the first and second surfaces have first through holes. Two adjacent sides of the mounting frame corner have first threaded holes corresponding to the first through holes. The first locking element is a screw, with two first locking elements passing through their respective first through holes and threadedly connected to their respective first threaded holes. The two surfaces of the first side plate correspond to and fit snugly against the two sides of the mounting frame corner, securing them with the first locking elements for a more robust and stable connection. Furthermore, the threaded connection allows for detachable installation, facilitating subsequent maintenance and replacement. The precise correspondence between the through holes and threaded holes makes installation more convenient.

[0020] 5. The frameless photovoltaic module mounting structure provided by this invention has a second notch on the limiting protrusion, with at least four second notches respectively located on the four sides of the mounting frame. The frameless photovoltaic module mounting structure also includes multiple second locking structures, each including a second fixing member and a second locking member. The second fixing member includes a connected second panel and a second side panel. The second side panel is fitted against the side of the mounting frame. The second panel passes through the corresponding second notch and partially presses against the edge of the upper surface of the photovoltaic module. The second locking member connects the second side panel to the side of the mounting frame. The second panel is installed horizontally and fitted to limit the side of the photovoltaic module. The cooperation of the first panel and the second panel can fix the corners and sides of the photovoltaic module respectively, thereby providing a more stable fixation for the photovoltaic module.

[0021] 6. The frameless photovoltaic module mounting structure provided by this invention features a second panel and a second side panel that are perpendicular to each other. The second side panel has a second through hole, and the side of the mounting frame has a second threaded hole corresponding to the second through hole. The second locking element is a screw, which passes through the corresponding second through hole and is threadedly connected to the corresponding second threaded hole. The perpendicularity between the second side panel and the second panel ensures the fit between the second side panel and the side of the mounting frame, as well as the fit between the second panel and the side of the photovoltaic module, thereby ensuring installation stability. The threaded connection of the second locking element is simpler and more reliable, facilitating installation and disassembly, and simplifying future maintenance.

[0022] 7. The frameless photovoltaic module mounting structure provided by the present invention has a second limiting step on the side of the lower surface of the second panel away from the second side panel. The two surfaces of the second limiting step are respectively attached to the upper surface and the side surface of the photovoltaic module. The second limiting step further enhances the limiting effect of the photovoltaic module edge through bidirectional surface attachment, preventing displacement in the horizontal and vertical directions.

[0023] 8. The frameless photovoltaic module mounting structure provided by this invention has screw holes on the second panel. One end of the screw hole is located on the second side plate, and the other end is located on the surface of the second limiting step corresponding to the side of the photovoltaic module. The screw hole is equipped with a fastening bolt and a spring. The fastening bolt passes through the spring and the screw hole and abuts against the side of the photovoltaic module. The spring is located between the head of the fastening bolt and the second side plate. The fastening bolt and spring cooperate, with the fastening bolt providing a limiting effect on the side of the photovoltaic module, and the spring providing axial preload to the fastening bolt, thereby increasing the interaction force between the fastening bolt and the threaded hole. This overcomes the problem of the fastening bolt loosening due to vibration, enabling the fastening bolt to provide a more reliable limiting effect.

[0024] 9. The frameless photovoltaic module mounting structure provided by this invention includes a mounting frame comprising two horizontal beams, two vertical beams, and an annular bracket. The two horizontal beams and two vertical beams are connected to form a rectangular frame structure. The annular bracket is located on the upper surface of the two horizontal beams and two vertical beams. The annular bracket has a flange, which forms a limiting protrusion. A first notch and a second notch are correspondingly provided on the limiting protrusion. The mounting frame is composed of horizontal beams, vertical beams, and an annular bracket. The flange of the annular bracket directly forms the limiting protrusion, simplifying the manufacturing process and reducing production costs. The annular bracket is fixedly connected to the horizontal beams and vertical beams, improving the overall rigidity and stability of the mounting frame and reducing the risk of deformation. The first and second notches are directly provided on the flange, which can improve the positioning effect and facilitate the installation of the first and second locking structures.

[0025] 10. The frameless photovoltaic module installation structure provided by this invention features an L-shaped bracket, with one end connected to a crossbeam and the other end connected to a longitudinal beam. The triangular support structure of the L-shaped bracket effectively enhances the stability and torsional resistance of the mounting frame, improving the overall load-bearing capacity of the installation structure. The bracket's connection to both the crossbeam and longitudinal beam results in more balanced stress distribution, effectively distributing the weight of the photovoltaic modules. The structure is simple and easy to install, adapting to installation needs in scenarios such as balconies. It avoids the damage to the module's seal caused by drilling, and the drill-free design protects the original balcony structure, meeting the actual needs of balcony renovations in residential communities and improving the reliability and safety of the entire system. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the frameless photovoltaic module mounting structure according to an embodiment of the present invention; Figure 2 for Figure 1 A magnified view of a portion of point A in the middle; Figure 3 for Figure 1 A magnified view of part B in the diagram; Figure 4 This is a schematic diagram of the mounting bracket according to an embodiment of the present invention; Figure 5 for Figure 4 A magnified view of part of C; Figure 6 This is a schematic diagram of the second locking structure according to an embodiment of the present invention; Figure 7This is a side view of the second locking structure according to an embodiment of the present invention.

[0028] Explanation of reference numerals in the attached figures: 1. Photovoltaic modules; 2. Mounting bracket; 21. Mounting frame; 211. Crossbeam; 212. Longitudinal beam; 22. Bracket; 23. Circular bracket; 231. Limiting protrusion; 2311. First notch; 2312. Second notch; 3. First locking structure; 31. First fixing member; 311. First panel; 3111. First limiting step; 312. First side plate; 32. First locking member; 4. Second locking structure; 41. Second fixing component; 411. Second panel; 4111. Second limiting step; 412. Second side plate; 42. Second locking component; 43. Fastening bolt; 44. Spring. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] The following is combined with Figures 1 to 7 The following describes embodiments of the present invention.

[0031] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, according to an embodiment of the present invention, in one aspect, a frameless photovoltaic module 1 mounting structure is provided, including: a photovoltaic module 1, a mounting frame 2, and a plurality of first locking structures. The photovoltaic module 1 is integrally formed by sequentially stacking a front panel, encapsulation material, battery string, encapsulation material, and back panel and performing a lamination process. The edges of the photovoltaic module 1 are coated with a sealing layer. The mounting frame 2 includes a mounting frame 21 and brackets 22. The mounting frame 21 is a rectangular frame structure, and two brackets 22 are respectively disposed on opposite sides of the bottom of the mounting frame 21. The mounting frame 21 has a bearing surface, and the edge of the bearing surface is provided with a limiting protrusion 231. The bearing surface is used to support the photovoltaic module 1, and the limiting protrusion 231 is used to position the edge of the photovoltaic module 1. The height of the limiting protrusion 231 does not exceed the thickness of the photovoltaic module 1. The limiting protrusion 231 is provided with a first notch 2311, and four first notches 2311 are respectively located at the corners of the mounting frame 21. Multiple first locking structures 3 are provided. Each first locking structure 3 includes a first fixing member 31 and a first locking member 32. The first fixing member 31 includes a connected first panel 311 and a first side panel 312. The first panel 311 is adapted to the shape of the corner of the mounting frame 21. The first side panel 312 is attached to the side of the corner of the mounting frame 21. The first panel 311 passes through the corresponding first notch 2311 and is partially attached to the corner of the upper surface of the photovoltaic module 1. The first locking member 32 connects the first side panel 312 and the side of the corner of the mounting frame 21.

[0032] During assembly, the photovoltaic module 1 can be placed on the bearing surface of the mounting frame 21, so that the edge of the photovoltaic module 1 fits against the inner side of the limiting protrusion 231. The limiting protrusion 231 achieves the initial positioning of the photovoltaic module 1. Then, multiple first locking structures 3 are installed. In the first fixing member 31 of each first locking structure 3, the shape of the first panel 311 is adapted to the corner of the mounting frame 21. The first panel 311 is passed through the corresponding first notch 2311, so that part of the first panel 311 fits against the corner of the upper surface of the photovoltaic module 1. At the same time, the first side plate 312 fits tightly against the side of the corner of the mounting frame 21. Finally, the first side plate 312 is connected and fixed to the side of the corner of the mounting frame 21 by the first locking member 32. The four corners of the photovoltaic module 1 can be fixed to the four corners of the mounting frame 21 by multiple first locking structures 3, thus completing the fastening installation of the photovoltaic module 1. The bracket 22 can be used to install in the corresponding mounting position or on the mounting surface.

[0033] Compared to the assembly method of photovoltaic module 1 and mounting bracket 22 in the prior art, in the mounting bracket 2 and first locking structure provided by the present invention, since the first panel 311 is installed horizontally and fitted to limit the photovoltaic module 1 on the mounting frame 21, the photovoltaic module 1 will not be subjected to large vertical pressure. Therefore, the photovoltaic module 1 does not need to be equipped with an aluminum alloy frame, which can prevent rainwater or dust accumulation during subsequent use. Furthermore, since the height of the limiting protrusion 231 does not exceed the thickness of the photovoltaic module 1, the front panel is unobstructed around its perimeter. While providing good limiting effect, it can further prevent rainwater or dust from accumulating at the edges of the photovoltaic module 1. In rainy weather, rainwater can flow smoothly down from the edges of the photovoltaic module 1, and the rainwater can carry away dust from the photovoltaic module 1. The sealing layer at the edges of the photovoltaic module 1 can also provide a sealing effect. Therefore, the above structure avoids the problems of rainwater and dust accumulation caused by traditional aluminum alloy frames, reduces corrosion and scale and dust residue, prevents hot plate effect, and improves the power generation efficiency of the photovoltaic module 1. Furthermore, it simplifies the manufacturing process, reduces the size of the photovoltaic module 1, and lightens its weight, thereby reducing transportation difficulties. It also reduces the frequency of manual cleaning.

[0034] Specifically, the front panel of photovoltaic module 1 can be tempered glass, the encapsulation material can be EVA material, and the sealing layer can be high-performance silicone sealant or polyurethane sealant. After lamination, the edges of the module are coated with high-performance silicone sealant or polyurethane sealant to form a flexible, UV-resistant sealing barrier, ensuring that moisture and corrosive gases cannot penetrate into the module. Mounting frame 2 is made of aluminum alloy.

[0035] like Figure 1 and Figure 2 As shown, in one embodiment, the first panel 311 is L-shaped, and the first side panel 312 is bent and connected to the outer corner of the first panel 311. The first side panel 312 and the first panel 311 are perpendicular to each other. The L-shaped first panel 311 adapts to the shape of the corners of the mounting frame 21 and the photovoltaic module 1, with a wider fitting range, improving positioning accuracy and limiting effect. In addition, the first side panel 312 is perpendicular to the first panel 311, ensuring the fitting degree between the first side panel 312 and the side of the corner of the mounting frame 21, and improving the connection stability.

[0036] like Figure 1 and Figure 2 As shown, in one embodiment, a first limiting step 3111 is provided on the lower surface of the first panel 311 opposite to the first side panel 312. The first limiting step 3111 matches the shape of the corner of the upper surface of the photovoltaic module 1, and the two surfaces of the first limiting step 3111 are respectively attached to the upper surface and side surface of the corner of the photovoltaic module 1. The first limiting step 3111 achieves bidirectional limiting through double surface attachment, which greatly improves the fixed stability of the corner of the photovoltaic module 1 and prevents displacement in the horizontal and vertical directions.

[0037] like Figure 1 and Figure 2 As shown, in one embodiment, the first side plate 312 is bent to form a first surface and a second surface corresponding to two adjacent sides of the corner of the mounting frame 21, respectively. Both the first and second surfaces are provided with first through holes. Two adjacent sides of the corner of the mounting frame 21 are provided with first threaded holes corresponding to the first through holes. The first locking element is a screw, and the two first locking elements pass through the corresponding first through holes and are threadedly connected to the corresponding first threaded holes. The two surfaces of the first side plate 312 correspond to and fit against the two sides of the corner of the mounting frame 21, securing them with the first locking elements for a more robust and stable connection. Furthermore, the threaded connection allows for detachable installation, facilitating subsequent maintenance and replacement. The precise correspondence between the through holes and threaded holes makes installation operations more convenient.

[0038] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, in one embodiment, the limiting protrusion 231 is provided with a second notch 2312, and at least four second notches 2312 are respectively provided on the four sides of the mounting frame 21. The frameless photovoltaic module 1 mounting structure also includes multiple second locking structures 4. The second locking structure 4 includes a second fixing member 41 and a second locking member 42. The second fixing member 41 includes a connected second panel 411 and a second side plate 412. The second side plate 412 fits against the side of the mounting frame 21. The second panel 411 passes through the corresponding second notch 2312 and is partially pressed against the edge of the upper surface of the photovoltaic module 1. The second locking member 42 connects the second side plate 412 to the side of the mounting frame 21. The second panel 411 is installed horizontally and fits against the limiting position to fix the side of the photovoltaic module 1. The cooperation of the first panel 311 and the second panel 411 can fix the corners and sides of the photovoltaic module 1 respectively, thereby providing a more stable fixing effect for the photovoltaic module 1.

[0039] like Figure 1 and Figure 3 As shown, in one embodiment, the second panel 411 and the second side panel 412 are perpendicular to each other. The second side panel 412 has a second through hole, and the side of the mounting frame 21 has a second threaded hole corresponding to the second through hole. The second locking member 42 is a screw, which passes through the corresponding second through hole and is threadedly connected to the corresponding second threaded hole. The perpendicularity between the second side panel 412 and the second panel 411 ensures the fit between the second side panel 412 and the side of the mounting frame 21, and also ensures the fit between the second panel 411 and the side of the photovoltaic module 1, thereby ensuring installation stability. The threaded connection of the second locking member 42 is simpler and more reliable, facilitating installation and disassembly, and simplifying future maintenance.

[0040] like Figure 1 and Figure 3 As shown, in one embodiment, a second limiting step 4111 is provided on the side of the lower surface of the second panel 411 opposite to the second side panel 412. The two surfaces of the second limiting step 4111 are respectively attached to the upper surface and the side surface of the photovoltaic module 1. The second limiting step 4111 further enhances the limiting effect of the edge of the photovoltaic module 1 through bidirectional surface attachment, preventing displacement in the horizontal and vertical directions.

[0041] like Figure 3 , Figure 6 and Figure 7 As shown, in one embodiment, the second panel 411 is provided with a screw hole. One end of the screw hole is open on the second side plate 412, and the other end of the screw hole is open on the surface of the second limiting step 4111 corresponding to the side of the photovoltaic module 1. The screw hole is provided with a fastening bolt 43 and a spring 44. The fastening bolt 43 passes through the spring 44 and the screw hole and abuts against the side of the photovoltaic module 1. The spring 44 is located between the head of the fastening bolt 43 and the second side plate 412. The fastening bolt 43 cooperates with the spring 44. The fastening bolt 43 can limit the side of the photovoltaic module 1, and the spring 44 can provide a preload force on the axial direction of the fastening bolt 43, thereby increasing the interaction force between the fastening bolt 43 and the threaded hole, thus overcoming the problem of the fastening bolt 43 loosening due to vibration, and enabling the fastening bolt 43 to provide a more reliable limiting function.

[0042] In another embodiment, the spring 44 is located in the screw hole and between the fastening bolt 43 and the photovoltaic module 1. By tightening the fastening bolt 43, a stable supporting force is provided to the side of the photovoltaic module 1 through the spring 44, thereby achieving a limiting effect. The spring 44 can play a role in flexible support and limiting, avoiding edge deformation of the photovoltaic module.

[0043] like Figure 4 and Figure 5 As shown, in one embodiment, the mounting frame 21 includes two crossbeams 211, two longitudinal beams 212, and an annular bracket 23. The two crossbeams 211 and the two longitudinal beams 212 are connected to form a rectangular frame structure. The annular bracket 23 is disposed on the upper surface of the two crossbeams 211 and the two longitudinal beams 212. The annular bracket 23 is provided with a flange, which forms a limiting protrusion 231. The limiting protrusion 231 is provided with a first notch 2311 and a second notch 2312. The mounting frame 21 consists of a crossbeam 211, a longitudinal beam 212, and an annular bracket 23. The flange of the annular bracket 23 directly forms a limiting protrusion 231, which simplifies the manufacturing process and reduces production costs. The annular bracket 23 is fixedly connected to the crossbeam 211 and the longitudinal beam 212, which improves the overall rigidity and stability of the mounting frame 21 and reduces the risk of deformation. The first notch 2311 and the second notch 2312 are directly opened on the flange, which can improve the positioning effect and facilitate the installation of the first locking structure 3 and the second locking structure 4.

[0044] Specifically, adjacent crossbeams 211 and longitudinal beams 212 are vertically connected. A first notch 2311 is provided between the annular bracket 23 and adjacent crossbeams 211 and longitudinal beams 212. Two second notches 2312 are provided at intervals between the annular bracket 23 and each corresponding crossbeam 211. One second notch 2312 is provided between the annular bracket 23 and each corresponding longitudinal beam 212. The number of first locking structures corresponds to the number of first notches, and the number of second locking structures corresponds to the number of second notches.

[0045] like Figure 1 and Figure 4 As shown, in one embodiment, the bracket 22 is L-shaped, with one end connected to the crossbeam 211 and the other end connected to the longitudinal beam 212. The triangular support structure of the L-shaped bracket 22 effectively enhances the stability and torsional resistance of the mounting frame 21, improves the load-bearing capacity of the overall mounting structure, and the bracket 22 is connected to both the crossbeam 211 and the longitudinal beam 212, resulting in more balanced force distribution and effectively distributing the weight of the photovoltaic module 1. The structure is simple and easy to install, adapting to the installation needs of scenarios such as balconies, while avoiding damage to the sealing of the module by drilling. At the same time, the drill-free design protects the original structure of the balcony, meeting the actual needs of balcony decoration in residential areas and improving the reliability and safety of the entire system.

[0046] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A frameless photovoltaic module mounting structure, characterized in that, include: The photovoltaic module (1) is integrally formed by stacking the front panel, encapsulation material, battery string, encapsulation material and back panel in sequence and through lamination process. The edges of the photovoltaic module (1) are coated with a sealing layer. The mounting frame (2) includes a mounting frame (21) and brackets (22). The mounting frame (21) is a rectangular frame structure, and the two brackets (22) are respectively located on opposite sides of the bottom of the mounting frame (21). The mounting frame (21) has a bearing surface, and the edge of the bearing surface is provided with a limiting protrusion (231). The bearing surface is used to support the photovoltaic module (1), and the limiting protrusion (231) is used to position the edge of the photovoltaic module (1). The height of the limiting protrusion (231) does not exceed the thickness of the photovoltaic module (1). The limiting protrusion (231) is provided with a first notch (2311), and the four first notches (2311) are respectively located at the corners of the mounting frame (21). Multiple first locking structures (3) are provided. Each first locking structure (3) includes a first fixing member (31) and a first locking member (32). The first fixing member (31) includes a first panel (311) and a first side panel (312) connected together. The first panel (311) is adapted to the shape of the corner of the mounting frame (21). The first side panel (312) is attached to the side of the corner of the mounting frame (21). The first panel (311) passes through the corresponding first notch (2311) and is partially attached to the corner of the upper surface of the photovoltaic module (1). The first locking member (32) connects the first side panel (312) and the side of the corner of the mounting frame (21).

2. The frameless photovoltaic module mounting structure according to claim 1, characterized in that, The first panel (311) is L-shaped, and the first side panel (312) is bent and connected to the outer corner of the first panel (311). The first side panel (312) and the first panel (311) are perpendicular to each other.

3. The frameless photovoltaic module mounting structure according to claim 2, characterized in that, The lower surface of the first panel (311) is provided with a first limiting step (3111) on the side opposite to the first side panel (312). The first limiting step (3111) matches the shape of the corner of the upper surface of the photovoltaic module (1). The two surfaces of the first limiting step (3111) are respectively attached to the upper surface and side of the corner of the photovoltaic module (1).

4. The frameless photovoltaic module mounting structure according to claim 2, characterized in that, The first side plate (312) is bent to form a first surface and a second surface corresponding to the two adjacent sides of the corner of the mounting frame (21), respectively. The first surface and the second surface are provided with a first through hole. The two adjacent sides of the corner of the mounting frame (21) are provided with a first threaded hole corresponding to the first through hole. The first locking member (32) is a screw. The two first locking members (32) pass through the corresponding first through hole and are threadedly connected to the corresponding first threaded hole.

5. The frameless photovoltaic module mounting structure according to any one of claims 1 to 4, characterized in that, The limiting protrusion (231) is provided with a second notch (2312), and at least four second notches (2312) are respectively provided on the four sides of the mounting frame (21); The frameless photovoltaic module mounting structure also includes a plurality of second locking structures (4). The second locking structure (4) includes a second fixing member (41) and a second locking member (42). The second fixing member (41) includes a connected second panel (411) and a second side plate (412). The second side plate (412) is attached to the side of the mounting frame (21). The second panel (411) passes through the corresponding second notch (2312) and is partially attached to the edge of the upper surface of the photovoltaic module (1). The second locking member (42) connects the second side plate (412) to the side of the mounting frame (21).

6. The frameless photovoltaic module mounting structure according to claim 5, characterized in that, The second panel (411) is perpendicular to the second side panel (412); the second side panel (412) is provided with a second through hole, and the side of the mounting frame (21) is provided with a second threaded hole corresponding to the second through hole. The second locking member (42) is a screw, and the second locking member (42) passes through the corresponding second through hole and is threadedly connected to the corresponding second threaded hole.

7. The frameless photovoltaic module mounting structure according to claim 5, characterized in that, The second panel (411) has a second limiting step (4111) on the side opposite to the second side panel (412) on its lower surface. The two surfaces of the second limiting step (4111) are respectively attached to the upper surface and side surface of the photovoltaic module (1).

8. The frameless photovoltaic module mounting structure according to claim 7, characterized in that, The second panel (411) is provided with a screw hole. One end of the screw hole is located on the second side plate (412), and the other end of the screw hole is located on the surface of the second limiting step (4111) corresponding to the side of the photovoltaic module (1). The screw hole is provided with a fastening bolt (43) and a spring (44). The fastening bolt (43) passes through the spring (44) and the screw hole and abuts against the side of the photovoltaic module (1). The spring (44) is located between the head of the fastening bolt (43) and the second side plate (412).

9. The frameless photovoltaic module mounting structure according to any one of claims 1 to 4, 6 to 7, characterized in that, The mounting frame (21) includes two crossbeams (211), two longitudinal beams (212), and an annular bracket (23). The two crossbeams (211) and the two longitudinal beams (212) are connected to form the rectangular frame structure. The annular bracket (23) is located on the upper surface of the two crossbeams (211) and the two longitudinal beams (212). The annular bracket (23) has a flange, which forms the limiting protrusion (231). The limiting protrusion (231) has a first notch (2311) and a second notch (2312) corresponding to it.

10. The frameless photovoltaic module mounting structure according to claim 9, characterized in that, The bracket (22) is L-shaped, with one end of the bracket (22) connected to the crossbeam (211) and the other end of the bracket (22) connected to the longitudinal beam (212).

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