Photovoltaic module connecting structure, photovoltaic system and photovoltaic building

Abstract

The embodiment of the invention provides a photovoltaic module connecting structure, a photovoltaic system and a photovoltaic building, the photovoltaic module connecting structure is used for connecting a photovoltaic module, and the photovoltaic module connecting structure comprises a mounting part and a connecting part connected with the mounting part; the photovoltaic module connecting structure is used for connecting the periphery of the photovoltaic module; the installation part is provided with a clamping port, the clamping port is used for clamping the edge of the photovoltaic module, and the clamping port covers the edge of the photovoltaic module. Thus, the photovoltaic modules are connected through the clamping ports of the mounting parts, the clamping ports cover the edges of the photovoltaic modules, the edges of the photovoltaic modules are well wrapped, gaps between every two adjacent photovoltaic modules are avoided, the edges of the photovoltaic modules are made to achieve a good waterproof function, and the service life of the photovoltaic modules is prolonged. Rainwater or snow water and the like are prevented from easily depositing in the gap to influence the photovoltaic module. The connection between two adjacent photovoltaic assemblies can be realized without adopting a pressing block, and the waterproof function can be realized without arranging a water guide groove, so that the installation mode of the photovoltaic system is simplified.

Description

Technical Field

[0001] This application belongs to the technical field of photovoltaics, and particularly relates to a photovoltaic module connection structure, a photovoltaic system, and a photovoltaic building. Background Art

[0002] Solar energy has the advantages of being pollution-free, having no territorial restrictions, and being inexhaustible. Solar photovoltaic power generation technology has become the main direction for the development and utilization of new energy. Among them, Building Integrated Photovoltaic (BIPV) is a new photovoltaic application method that combines photovoltaic modules with buildings and is applied to the outer layers of buildings such as roofs, glass skylights, and walls, with broad market prospects.

[0003] In the prior art, adjacent two photovoltaic modules are usually installed using pressing blocks. However, the inventor found during the research of the prior art that due to the setting of the pressing blocks, there is a gap between adjacent two photovoltaic modules. In order to achieve the waterproof function, a water guide groove needs to be set at the gap, resulting in a relatively complex and cumbersome installation method for the photovoltaic system and poor waterproof performance. Summary of the Invention

[0004] In view of the above problems, the present invention is proposed to provide a photovoltaic module connection structure, a photovoltaic system, and a photovoltaic building that overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, the present application is implemented as follows:

[0006] In a first aspect, an embodiment of the present application provides a photovoltaic module connection structure for connecting photovoltaic modules. The photovoltaic module connection structure includes: a mounting part and a connection part connected to the mounting part;

[0007] The photovoltaic module connection structure is used to connect the four sides of the photovoltaic module;

[0008] The mounting part is provided with a clamping interface for clamping the edge of the photovoltaic module, and the clamping interface covers the edge of the photovoltaic module.

[0009] Optionally, the number of the photovoltaic module connection structures includes multiple;

[0010] In the case of connection between adjacent two photovoltaic module connection structures, the connection part of one of the photovoltaic module connection structures is connected to the connection part of the other photovoltaic module connection structure.

[0011] Optionally, in two adjacent photovoltaic module connection structures, the connection part of one of the photovoltaic module connection structures is a first connection buckle, and the connection part of the other photovoltaic module connection structure is a second connection buckle;

[0012] The first connection buckle is lapped on the second connection buckle.

[0013] Optionally, the photovoltaic module connection structure further includes a fastener, and the fastener sequentially passes through the first connection buckle and the second connection buckle to fix the first connection buckle to the second connection buckle.

[0014] Optionally, the cross-sectional shapes of the first connection buckle and the second connection buckle are L-shaped.

[0015] Optionally, the clamping interface of the installation part extends along the edge of the photovoltaic module, and the clamping interface is in interference fit with the edge of the photovoltaic module.

[0016] In a second aspect, an embodiment of the present application provides a photovoltaic system, which includes a photovoltaic module and the photovoltaic module connection structure described above;

[0017] The clamping interface of the photovoltaic module connection structure is clamped to the edge of the photovoltaic module.

[0018] Optionally, the photovoltaic system further includes a connecting beam, and the connecting beam is connected to the bottom end of the photovoltaic module connection structure.

[0019] Optionally, the photovoltaic system further includes an operation and maintenance frame, the operation and maintenance frame is arranged outside the photovoltaic system, and the operation and maintenance frame is connected to the connection part of the photovoltaic module connection structure.

[0020] In a third aspect, an embodiment of the present application provides a photovoltaic building, which includes the photovoltaic system described above.

[0021] In an embodiment of the present application, the photovoltaic module connection structure is used to connect photovoltaic modules. The photovoltaic module connection structure includes: a mounting part and a connection part connected to the mounting part; the photovoltaic module connection structure is used to connect the four sides of the photovoltaic module; the mounting part is provided with a clamping interface, and the clamping interface is used to clamp the edge of the photovoltaic module, and the clamping interface covers the edge of the photovoltaic module. In this way, the connection of the photovoltaic module is realized through the clamping interface of the mounting part. Since the clamping interface covers the edge of the photovoltaic module, it has a good wrapping effect on the edge of the photovoltaic module, avoiding the generation of gaps between adjacent two photovoltaic modules, enabling the edge of the photovoltaic module to achieve a good waterproof function, preventing rainwater or snow water from easily depositing in the gaps and affecting the performance of the photovoltaic module, and also avoiding the problem of difficult maintenance at the gaps. Thus, there is no need to use pressing blocks to connect adjacent two photovoltaic modules, nor to set up water guide grooves to achieve the waterproof function, which simplifies the installation method of the photovoltaic system and also improves the product appearance.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0024] Figure 1 is a schematic structural diagram of a photovoltaic module connection structure according to an embodiment of the present application;

[0025] Figure 2 is another schematic structural diagram of a photovoltaic module connection structure according to an embodiment of the present application;

[0026] Figure 3 is one of the connection schematic diagrams of a photovoltaic module connection structure according to an embodiment of the present application;

[0027] Figure 4 is another connection schematic diagram of a photovoltaic module connection structure according to an embodiment of the present application;

[0028] Figure 5 is one of the schematic structural diagrams of a photovoltaic system according to an embodiment of the present application;

[0029] Figure 6 is one of the schematic structural diagrams of a photovoltaic system according to an embodiment of the present application.

[0030] Reference numerals: 10 - mounting part; 20 - connecting part; 11 - clamping interface; 30 - photovoltaic module; 21 - first connecting buckle; 22 - second connecting buckle; 40 - fastener; 50 - photovoltaic module connecting structure; 60 - connecting beam; 70 - operation and maintenance frame. Detailed implementation manners

[0031] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where 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 by referring to the drawings are exemplary only for explaining the present invention and should not be construed as limiting the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts belong to the scope of protection of this application.

[0032] The terms "first" and "second" in the description and claims of this application may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more. In addition, "and / or" in the description and claims means at least one of the connected objects. The character " / " generally indicates an "or" relationship between the associated objects before and after.

[0033] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "mounting", "connecting" and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0035] Refer to Figures 1 to 6, which shows a schematic diagram of a photovoltaic module connection structure according to an embodiment of the present application. The photovoltaic module connection structure 50 is used to connect photovoltaic modules 30, and specifically may include: a mounting portion 10 and a connection portion 20 connected to the mounting portion 10;

[0036] The photovoltaic module connection structure 50 is used to connect the four sides of the photovoltaic module 30;

[0037] The mounting portion 10 is provided with a card interface 11, and the card interface 11 is used to snap onto the edge of the photovoltaic module 30, and the card interface 11 covers the edge of the photovoltaic module 30.

[0038] In the embodiment of the present application, the connection to the photovoltaic module 30 is achieved through the card interface 11 of the mounting portion 10. Since the card interface 11 covers the edge of the photovoltaic module 30, it has a good covering effect on the edge of the photovoltaic module 30, avoiding the generation of gaps between adjacent photovoltaic modules 30, enabling the edge of the photovoltaic module 30 to achieve a good waterproof function, preventing rainwater or snow water from easily depositing in the gaps and affecting the performance of the photovoltaic module 30, and also avoiding the problem of difficult maintenance at the gaps. Thus, there is no need to use pressing blocks to connect adjacent photovoltaic modules 30, nor to set up water guide grooves to achieve the waterproof function, which simplifies the installation method of the photovoltaic system and also improves the product appearance.

[0039] In another related art, the photovoltaic module is connected to a color steel tile to achieve the installation of the photovoltaic module. However, in order to enable the photovoltaic module to have a good connection strength with the color steel tile, a special structure, such as a suitable substrate, etc., needs to be provided at the bottom of the color steel tile, resulting in an increased load on the photovoltaic building structure, a relatively complex and cumbersome overall structure, and an increase in production costs.

[0040] Specifically, in the embodiment of the present application, the photovoltaic module 30 is used to receive solar energy and convert it into electrical energy to achieve photovoltaic conversion. For example, the photovoltaic module 30 generally may include structures such as a front encapsulation plate, an encapsulation adhesive film, a photovoltaic cell array, an encapsulation adhesive film, a rear encapsulation plate, a junction box, and a combined frame, and is encapsulated through a photovoltaic encapsulation process. The specific encapsulation method and type of the photovoltaic module 30 in the embodiment of the present application may not be limited.

[0041] For example, in the embodiment of the present application, the mounting portion 10 may include a fixing block, and the card interface 11 may be provided on the fixing block, so that the card interface 11 has good stability and reliability, and the connection portion 20 may be connected to the fixing block. The fixing block may be a hollow structure to reduce the weight and material consumption of the photovoltaic module connection structure 50. In addition, the fixing block may also be a solid structure to further enhance the structural strength of the photovoltaic module connection structure 50. The specific type of the fixing block in the embodiment of the present application may not be limited.

[0042] In the embodiment of the present application, the installation part 10 and the connection part 20 are integrally formed structures, so that the photovoltaic module connection structure 50 has a high connection strength and reduces material loss. Exemplarily, the materials of the installation part 10 and the connection part 20 can be metal, plastic, rubber, etc., such as aluminum alloy, galvanized steel, composite materials, etc. The materials of the installation part 10 and the connection part 20 can be the same or different, and the specific materials of the installation part 10 and the connection part 20 in the embodiment of the present application can be not limited.

[0043] Exemplarily, in the embodiment of the present application, the cross-sectional size of the photovoltaic module connection structure 50 can be 12*30 mm, or 20*15 mm, etc. The embodiment of the present application can be not limited to the specific cross-sectional size of the photovoltaic module connection structure 50. The length of the photovoltaic module connection structure 50 can be 1100 mm, 1500 m, 2000 mm, 2300 mm, etc. The embodiment of the present application can be not limited to the specific length of the photovoltaic module connection structure 50 either.

[0044] Optionally, in the embodiment of the present application, the number of the photovoltaic module connection structures 50 includes a plurality of; in the case of connecting two adjacent photovoltaic modules 30, the connection part 20 of one of the photovoltaic module connection structures 50 is connected to the connection part 20 of the other photovoltaic module connection structure 50. In this way, the connection between adjacent photovoltaic module connection structures 50 is realized through the connection part 20, and further the connection between two adjacent photovoltaic modules 30 is realized.

[0045] In the embodiment of the present application, the number of the photovoltaic module connection structures 50 includes a plurality of. Exemplarily, one photovoltaic module 30 can be correspondingly provided with four photovoltaic module connection structures 50. The photovoltaic module 30 can include four edges, and the four photovoltaic module connection structures 50 are respectively arranged on the four edges, so that the photovoltaic module connection structures 50 have a good covering and closing effect on the periphery of the photovoltaic module 30, avoiding the edges of the photovoltaic module 30 being exposed and easily immersed in rainwater or snow water, and having a good waterproof effect on the photovoltaic module 30. In addition, the number of the photovoltaic module connection structures 50 can also be set to 8, 12, 16, etc., and can be set according to actual needs. The embodiment of the present application can be not limited to the specific number of the photovoltaic module connection structures 50 set.

[0046] Optionally, in the embodiments of the present application, among two adjacent photovoltaic module connection structures 50, the connecting portion 20 of one of the photovoltaic module connection structures 50 is a first connecting buckle 21, and the connecting portion 20 of the other photovoltaic module connection structure 50 is a second connecting buckle 22; the first connecting buckle 21 is lapped on the second connecting buckle 22. In this way, a relatively stable and reliable connection effect between the connecting portions 20 of two adjacent photovoltaic module connection structures 50 is achieved through the first connecting buckle 21 and the second connecting buckle 22. The connecting portions 20 of two adjacent photovoltaic module connection structures 50 can be mutually adapted. For example, Figure 1 and 2 as shown, exemplarily, the first connecting buckle 21 and the second connecting buckle 22 have the same or similar shapes, and the two are arranged in an inverted manner so that the first connecting buckle 21 can be better lapped on the second connecting buckle 22.

[0047] In the embodiments of the present application, optionally, the photovoltaic module connection structure 50 further includes a fastener 40, and the fastener 40 sequentially passes through the first connecting buckle 21 and the second connecting buckle 22 to fix the first connecting buckle 21 to the second connecting buckle 22. In this way, the connection stability and reliability between the first connecting buckle 21 and the second connecting buckle 22 are further enhanced through the fastener 40, and the connection instability caused by the relative sliding of the first connecting buckle 21 relative to the second connecting buckle 22 is avoided.

[0048] Specifically, in the embodiments of the present application, the first connecting buckle 21 is provided with a first mounting hole at a position opposite to the fastener 40, and the second connecting buckle 22 is provided with a second mounting hole at a position opposite to the fastener 40. The first mounting hole and the second mounting hole are correspondingly arranged so that the fastener 40 passes through the first connecting buckle 21 and the second connecting buckle 22 through the first mounting hole and the second mounting hole respectively. Exemplarily, the diameter sizes of the first mounting hole and the second mounting hole can be 9mm, 6mm or 13mm, etc. The embodiments of the present application do not limit the specific diameter sizes of the first mounting hole and the second mounting hole.

[0049] Exemplarily, in the embodiments of the present application, the fastener 40 can be a bolt, a screw, a stud or a rivet, etc. The embodiments of the present application do not limit the specific type of the fastener 40. The number of the fasteners 40 can be set to 1, 3, 5 or 10, etc., and can be set according to actual needs. The embodiments of the present application do not limit the specific number of the fasteners 40.

[0050] In the embodiments of the present application, exemplarily, the cross-sectional shapes of the first connecting buckle 21 and the second connecting buckle 22 are L-shaped. In this way, the L-shaped first connecting buckle 21 can be better lapped on the L-shaped second connecting buckle 22, and the operation is easy, simple and convenient. For example, Figure 1 and2 As shown, the first connecting buckle 21 can be in a positive L shape, and the second connecting buckle 22 can be in an inverted L shape, that is, the two are arranged in reverse, so that the first connecting buckle 21 can be better lapped on the second connecting buckle 22.

[0051] Optionally, in the embodiment of the present application, the card interface 11 of the installation part 10 extends along the edge of the photovoltaic module 30, and the card interface 11 is in interference fit with the edge of the photovoltaic module 30. In this way, the card interface 11 of the installation part 10 can cover the entire edge of the photovoltaic module 30, and the card interface 11 is in interference fit with the edge of the photovoltaic module 30, so that the card interface 11 has a relatively stable fixing effect on the photovoltaic module 30, avoiding the problem that the photovoltaic module 30 is prone to relative sliding relative to the card interface 11, resulting in unstable fixing.

[0052] In summary, the photovoltaic module connection structure described in the embodiment of the present application can at least include the following advantages:

[0053] In the embodiment of the present application, the photovoltaic module connection structure is used to connect photovoltaic modules. The photovoltaic module connection structure includes: an installation part and a connection part connected to the installation part; the photovoltaic module connection structure is used to connect the four sides of the photovoltaic module; the installation part is provided with a card interface, and the card interface is used to clamp the edge of the photovoltaic module, and the card interface covers the edge of the photovoltaic module. In this way, the connection of the photovoltaic module is realized through the card interface of the installation part. Since the card interface covers the edge of the photovoltaic module, it has a good coating effect on the edge of the photovoltaic module, avoiding the generation of gaps between adjacent two photovoltaic modules, enabling the edge of the photovoltaic module to achieve a good waterproof function, avoiding the deposition of rainwater or snow water in the gap, which may affect the performance of the photovoltaic module, and also avoiding the problem of difficult maintenance at the gap. Therefore, there is no need to use a pressing block to connect adjacent two photovoltaic modules, nor to set a water guide groove to achieve the waterproof function, which simplifies the installation method of the photovoltaic system and also improves the product appearance.

[0054] The embodiment of the present application also proposes a photovoltaic system, which includes a photovoltaic module 30 and the photovoltaic module connection structure 50 described above; the card interface 11 of the photovoltaic module connection structure 50 is clamped to the edge of the photovoltaic module 30. In this way, the photovoltaic module 30 is relatively stably connected through the photovoltaic module connection structure 50, so that the card interface 11 covers the edge of the photovoltaic module 30, having a good coating effect on the edge of the photovoltaic module 30, avoiding the generation of gaps between adjacent two photovoltaic modules 30, enabling the edge of the photovoltaic module 30 to achieve a good waterproof function, avoiding the deposition of rainwater or snow water in the gap, which may affect the performance of the photovoltaic module 30, and also simplifies the installation method of the photovoltaic system.

[0055] Optionally, in the embodiments of the present application, the photovoltaic system further includes a connecting beam 60, and the connecting beam 60 is connected to the bottom end of the photovoltaic module connection structure 50. In this way, the connecting beam 60 is arranged at the bottom end of the photovoltaic module 30 through the photovoltaic module connection structure 50, so that the connecting beam 60 provides a relatively stable and reliable supporting effect for the photovoltaic module 30.

[0056] Specifically, the connecting beam 60 and the photovoltaic module connection structure 50 can be stably connected through fasteners 40, and the fasteners 40 are sequentially passed through the connecting parts 20 of the connecting beam 60 and the photovoltaic module connection structure 50. By way of example, when the number of photovoltaic modules 30 is multiple and the number of photovoltaic module connection structures 50 is also multiple, in two adjacent photovoltaic module connection structures 50, the first connection buckle 21 of one of the photovoltaic module connection structures 50 overlaps the second connection buckle 22 of the other photovoltaic module connection structure 50, and the fasteners 40 are sequentially passed through the connecting beam 60, the first connection buckle 21 and the second connection buckle 22 to fix the first connection buckle 21 and the second connection buckle 22 to the connecting beam 60.

[0057] In the embodiments of the present application, the photovoltaic system can be used alone as a roofing structure, and the connecting beam 60 enables the roofing to have better structural strength. In addition, the photovoltaic system can also be connected to a roofing fixing structure such as a roof beam. Specifically, the connecting beam 60 can be clamped on the roof beam through a fixture such as a clamping jaw to achieve a relatively stable and reliable connection between the photovoltaic system and the roofing.

[0058] By way of example, in the embodiments of the present application, the cross-sectional shape of the connecting beam 60 can be U-shaped, so that the connecting beam 60 has better structural strength and is convenient for installation. In addition, the cross-sectional shape of the connecting beam 60 can also be rectangular or square, etc. The embodiments of the present application do not limit the specific cross-sectional shape of the connecting beam 60. The number of connecting beams 60 can be 2, 5, 10, etc., and can be set according to actual needs. The embodiments of the present application do not limit the specific number of the connecting beams 60 either.

[0059] Optionally, in the embodiments of the present application, the photovoltaic system further includes an operation and maintenance frame 70. The operation and maintenance frame 70 is arranged outside the photovoltaic system, and the operation and maintenance frame 70 is connected to the connecting part 20 of the photovoltaic module connection structure 50. In this way, an operation and maintenance passage can be provided through the operation and maintenance frame 70 for operation and maintenance personnel to step on for repairing the photovoltaic module 30 or the photovoltaic module connection structure 50, avoiding the photovoltaic module 30 from being stepped on during operation and maintenance, resulting in hidden cracks or breakage of the photovoltaic module 30, etc., which affects the photoelectric conversion efficiency of the photovoltaic module 30. And the side of the photovoltaic system can also be further protected through the operation and maintenance frame 70, improving the reliability of the photovoltaic system.

[0060] Exemplarily, in the embodiment of the present application, the cross-sectional shape of the operation and maintenance frame 70 can be U-shaped, and the opening of the U-shaped operation and maintenance frame 70 can face downward, so that the operation and maintenance frame 70 has better structural strength and is convenient for installation. In addition, the cross-sectional shape of the operation and maintenance frame 70 can also be rectangular or square, etc., and the embodiment of the present application may not limit the specific cross-sectional shape of the operation and maintenance frame 70. The size of the operation and maintenance frame 70 can be 500*40mm, or 600*50mm, etc., and the embodiment of the present application may not limit the specific size of the operation and maintenance frame 70.

[0061] In summary, the photovoltaic system described in the embodiment of the present application can at least include the following advantages:

[0062] In the embodiment of the present application, the photovoltaic system includes a photovoltaic module and the photovoltaic module connection structure; the card interface of the photovoltaic module connection structure is clamped to the edge of the photovoltaic module, the photovoltaic module connection structure is used to connect the photovoltaic module, and the photovoltaic module connection structure includes: a mounting part and a connection part connected to the mounting part; the photovoltaic module connection structure is used to connect the four sides of the photovoltaic module; the mounting part is provided with a card interface, and the card interface is used to clamp the edge of the photovoltaic module, and the card interface covers the edge of the photovoltaic module. In this way, the connection of the photovoltaic module is realized through the card interface of the mounting part. Since the card interface covers the edge of the photovoltaic module, it has a good coating effect on the edge of the photovoltaic module, avoiding the generation of gaps between adjacent two photovoltaic modules, enabling the edge of the photovoltaic module to achieve a good waterproof function, preventing rainwater or snow water from easily depositing in the gap and affecting the performance of the photovoltaic module, and also avoiding the problem of difficult maintenance at the gap. Thus, there is no need to use a pressing block to connect adjacent two photovoltaic modules, nor to set a water guide groove to achieve the waterproof function, which simplifies the installation method of the photovoltaic system and also improves the product appearance.

[0063] The embodiment of the present application also proposes a photovoltaic building, and the photovoltaic building includes the photovoltaic system described above. Exemplarily, in the embodiment of the present application, the photovoltaic building can be a building roof or a building wall, etc., and the embodiment of the present application may not limit the specific structure of the photovoltaic building.

[0064] The photovoltaic building described in the embodiment of the present application can at least include the following advantages:

[0065] In the embodiments of the present application, the photovoltaic building includes the photovoltaic system described above, and the photovoltaic system includes photovoltaic modules and the photovoltaic module connection structure; the card interface of the photovoltaic module connection structure is clamped to the edge of the photovoltaic module, and the photovoltaic module connection structure is used to connect the photovoltaic modules. The photovoltaic module connection structure includes: a mounting part and a connection part connected to the mounting part; the photovoltaic module connection structure is used to connect the four sides of the photovoltaic module; the mounting part is provided with a card interface, and the card interface is used to clamp the edge of the photovoltaic module, and the card interface covers the edge of the photovoltaic module. In this way, the connection of the photovoltaic module is realized through the card interface of the mounting part. Since the card interface covers the edge of the photovoltaic module, it has a good covering effect on the edge of the photovoltaic module, avoiding the generation of gaps between adjacent two photovoltaic modules, enabling the edge of the photovoltaic module to achieve a good waterproof function, preventing rainwater or snow water from easily depositing in the gap and affecting the performance of the photovoltaic module, and also avoiding the problem of difficult maintenance at the gap. Thus, there is no need to use a pressing block to connect adjacent two photovoltaic modules, nor to set a water guide groove to achieve the waterproof function, which simplifies the installation method of the photovoltaic system and also improves the product appearance.

[0066] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0067] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A photovoltaic module connection structure for connecting photovoltaic modules, characterized in that, The photovoltaic module connection structure includes: a mounting part and a connection part connected to the mounting part; The photovoltaic module connection structure is used to connect the four sides of the photovoltaic module; The mounting part is provided with a clamping interface, which is used to clamp the edge of the photovoltaic module, and the clamping interface covers the edge of the photovoltaic module.

2. The photovoltaic module connection structure according to claim 1, wherein, The number of the photovoltaic module connection structures includes multiple; In the case where two adjacent photovoltaic modules are connected, the connection part of one of the photovoltaic module connection structures is connected to the connection part of the other photovoltaic module connection structure.

3. The photovoltaic module connection structure according to claim 2, wherein, Among two adjacent photovoltaic module connection structures, the connection part of one of the photovoltaic module connection structures is a first connection buckle, and the connection part of the other photovoltaic module connection structure is a second connection buckle; The first connection buckle overlaps the second connection buckle.

4. The photovoltaic module connection structure according to claim 3, wherein, The photovoltaic module connection structure further includes a fastener, and the fastener sequentially passes through the first connection buckle and the second connection buckle to fix the first connection buckle to the second connection buckle.

5. The photovoltaic module connection structure according to claim 3, wherein, The cross-sectional shapes of the first connection buckle and the second connection buckle are L-shaped.

6. The photovoltaic module connection structure according to claim 1, wherein, The clamping interface of the mounting part extends along the edge of the photovoltaic module, and the clamping interface is in interference fit with the edge of the photovoltaic module.

7. A photovoltaic system, characterized in that, The photovoltaic system includes a photovoltaic module and the photovoltaic module connection structure according to any one of claims 1-6; The clamping interface of the photovoltaic module connection structure is clamped to the edge of the photovoltaic module.

8. The photovoltaic system according to claim 7, wherein, The photovoltaic system further includes a connecting beam, and the connecting beam is connected to the bottom end of the photovoltaic module connection structure.

9. The photovoltaic system according to claim 7, characterized in that, The photovoltaic system further includes an operation and maintenance frame, the operation and maintenance frame is arranged outside the photovoltaic system, and the operation and maintenance frame is connected to the connection part of the photovoltaic module connection structure.

10. A photovoltaic building, characterized in that, The photovoltaic building includes the photovoltaic system according to any one of claims 7-9.

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