Photovoltaic module structure and photovoltaic roof

Abstract

The utility model relates to the technical field of photovoltaic buildings, and discloses a photovoltaic assembly structure and a photovoltaic roof.The photovoltaic assembly structure comprises a plurality of photovoltaic units which are laid layer by layer from bottom to top, and the upper ends of the photovoltaic units are suitable for being connected with roof battens through connecting pieces; each photovoltaic unit comprises a photovoltaic module and four frames surrounding the periphery of the photovoltaic module, each frame comprises a first lap joint part and a second lap joint part which are connected, the first lap joint part extends towards the outer side, the second lap joint part is bent to form a lap joint groove with an outward opening, and the first lap joint part is connected with the second lap joint part. The first lap joint parts of the two frames, located on the upper side, of each photovoltaic unit are in lap joint in the lap joint grooves of the frames, located on the lower side, of the adjacent photovoltaic units respectively. The photovoltaic units are laid in a scaly manner, the photovoltaic units can be assembled only by fixing the upper ends of the photovoltaic units on the roof battens and mutually lapping the photovoltaic units, the operation is simple, and quick assembly and disassembly are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic building technology, specifically to photovoltaic module structure and photovoltaic roof. Background Technology

[0002] As a green building material that combines aesthetics and functionality, photovoltaic module structures can meet the market demand for green building materials and have broad market prospects.

[0003] Existing photovoltaic (PV) module structures generally consist of PV modules and frame components. The frame components secure the PV modules and connect multiple PV module structures to form a photovoltaic building roof. However, current PV module structures typically use molds or other structures for installation and fixation, and require adjustments to the PV module structure, making installation cumbersome and inconvenient to use. Utility Model Content

[0004] In view of this, the present invention provides a photovoltaic module structure and a photovoltaic roof to solve the problem that the frame components of existing photovoltaic module structures are installed and fixed by molds or other structures, which is relatively cumbersome.

[0005] In a first aspect, this utility model provides a photovoltaic module structure, comprising: a plurality of photovoltaic units laid layer by layer from bottom to top, wherein a set of opposite angles of the photovoltaic units are arranged along the vertical direction, and another set of opposite angles are adapted to be arranged along the extension direction of the roof tile strips of the photovoltaic roof, wherein the extension direction of the roof tile strips is perpendicular to the vertical direction, and the upper end of the photovoltaic unit is adapted to be connected to the roof tile strips via a connector.

[0006] The photovoltaic unit includes a photovoltaic module and four frames surrounding the photovoltaic module. Each frame includes a first overlapping portion and a second overlapping portion connected to each other. The first overlapping portion extends outward, and the second overlapping portion is bent to form an overlapping groove with an outward opening. The first overlapping portions of the two frames on the upper side of the photovoltaic unit overlap into the overlapping groove of the frame on the lower side of the adjacent photovoltaic unit.

[0007] Beneficial effects: The photovoltaic module structure of this utility model uses multiple photovoltaic units arranged in a scale-like pattern from bottom to top. Each photovoltaic unit forms a planar structure, which is beneficial for photovoltaic power generation and results in good power generation efficiency. Furthermore, the scale-like structure provides excellent waterproof performance. Moreover, installation is simple; only the upper end of the photovoltaic unit needs to be fixed to the roof strip, and the first overlapping part of adjacent photovoltaic units needs to be overlapped with the overlapping groove to complete the installation. This facilitates quick assembly and disassembly. The overlapping of adjacent photovoltaic units provides mutual restraint and also offers good structural stability and wind resistance.

[0008] In one optional embodiment, the first overlapping portion includes a first overlapping plate and a second overlapping plate connected to each other. The second overlapping plate is also connected to the upper end of the second overlapping portion. The side of the first overlapping plate and the second overlapping plate close to the photovoltaic module forms a mounting groove for mounting the photovoltaic module. The side of the first overlapping plate and the second overlapping plate away from the photovoltaic module is adapted to be inserted into the overlapping groove of the lower side of the frame of the adjacent photovoltaic module.

[0009] Beneficial effects: By setting up a first and second overlapping plate, the installation of photovoltaic modules and the overlapping assembly of adjacent photovoltaic units can be achieved simultaneously, without the need for additional installation molds or other structural fixings, thus reducing operating costs. Furthermore, the assembly of connected photovoltaic units can be achieved using only the frame without damaging the original structure, resulting in a simple structure that is easy to promote.

[0010] In one optional embodiment, the lower end of the photovoltaic module is fixedly connected to the second overlapping plate around its perimeter by a fixing adhesive, and the second overlapping plate has a limiting protrusion extending toward the photovoltaic module on the side away from the first overlapping plate.

[0011] Beneficial effects: The lower perimeter of the photovoltaic module is securely connected to the second overlapping plate using adhesive, ensuring a strong connection and facilitating installation. A limiting protrusion extends from the side of the second overlapping plate away from the first overlapping plate towards the photovoltaic module, restricting the application range of the adhesive and preventing overflow.

[0012] In one optional embodiment, the photovoltaic unit further includes a plurality of fasteners, the fasteners including a first plate and a second plate connected to each other, the first plate being fixedly connected to the inner side of a second overlapping plate of one of the frames, and the second plate being fixedly connected to the inner side of a second overlapping plate of an adjacent other frame.

[0013] Beneficial effects: The fasteners are used to secure the adjacent frames of the photovoltaic unit, improving the stability of the frame and preventing the photovoltaic unit from falling off due to stress during transportation and installation.

[0014] In one alternative embodiment, the photovoltaic units are arranged at intervals along the extension direction of the roof strip.

[0015] Beneficial effects: By arranging photovoltaic units at intervals along the extension direction of the roof strips, and then inserting the next layer of photovoltaic units into the intervals, the photovoltaic units can be stacked, making installation convenient.

[0016] In one alternative embodiment, the groove wall of the overlapping groove is provided with an elastic element, and the first overlapping portion overlaps on the elastic element.

[0017] Beneficial effects: The elastic element is used to buffer the first overlap, preventing wear or damage when the first overlap and the overlap groove overlap each other, which helps to extend the service life of photovoltaic modules and also improves their shock resistance.

[0018] In one alternative embodiment, a gap is left between the upper end of the first overlapping portion and the wall of the overlapping groove.

[0019] Beneficial effects: A gap is left between the upper end of the first overlap and the wall of the overlap groove, which facilitates the insertion of the first overlap into the overlap groove and its removal from the overlap groove, making it convenient for the rapid installation and disassembly of the photovoltaic unit.

[0020] In one alternative embodiment, the photovoltaic unit is further provided with waterproof adhesive strips and / or wind-resistant hooks on the two upper frame sides.

[0021] Beneficial effects: Waterproof sealing strips prevent rainwater backflow. Wind-resistant hooks are used to secure adjacent upper photovoltaic units, further improving wind resistance.

[0022] In one optional embodiment, the photovoltaic module includes a colored glass layer, a first adhesive layer, a cadmium telluride glass layer, a second adhesive layer, and a glass layer stacked sequentially.

[0023] Alternatively, the photovoltaic module may include a cadmium telluride glass layer, a second adhesive layer, and a glass layer stacked sequentially.

[0024] Beneficial effects: Photovoltaic modules use cadmium telluride glass layers to generate electricity, resulting in less hot spot effect, avoiding the risk of fire caused by hot spots, and exhibiting a lower power temperature coefficient and less power loss. By incorporating colored glass layers, the surface color of the photovoltaic modules can be adjusted according to user needs, broadening their application range.

[0025] Secondly, this utility model also provides a photovoltaic roof, comprising:

[0026] The roof structure has multiple battens spaced at intervals along the vertical direction at the top.

[0027] In the photovoltaic module structure described above, the upper end of the photovoltaic unit is fixedly connected to the roof tile strip via a connector.

[0028] Beneficial effects: The photovoltaic module structure of this utility model uses multiple photovoltaic units arranged in a scale-like pattern from bottom to top. Each photovoltaic unit forms a planar structure, which is beneficial for photovoltaic power generation and results in good power generation efficiency. Furthermore, the scale-like structure provides excellent waterproof performance. Moreover, installation is simple; only the upper end of the photovoltaic unit needs to be fixed to the roof strip, and the first overlapping part of adjacent photovoltaic units needs to be overlapped with the overlapping groove to complete the installation. This facilitates quick assembly and disassembly. The overlapping of adjacent photovoltaic units provides mutual restraint and also offers good structural stability and wind resistance. Attached Figure Description

[0029] To more clearly illustrate the specific embodiments of this utility model 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 this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of a photovoltaic module structure according to an embodiment of the present invention;

[0031] Figure 2 This is a partial structural diagram of a photovoltaic module structure according to an embodiment of the present utility model;

[0032] Figure 3 This is a schematic diagram of a single photovoltaic unit in a photovoltaic module structure according to an embodiment of the present utility model;

[0033] Figure 4 This is a schematic diagram of the connection between adjacent photovoltaic units in a photovoltaic module structure according to an embodiment of the present invention;

[0034] Figure 5 for Figure 4 A magnified view of a portion of the image;

[0035] Figure 6 This is a schematic diagram of a fixing component for a photovoltaic module structure according to an embodiment of the present invention.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. Photovoltaic unit; 101. Photovoltaic module; 1011. Colored glass layer; 1012. First adhesive layer; 1013. Cadmium telluride glass layer; 1014. Second adhesive layer; 1015. Glass layer; 102. Frame; 1021. First overlapping part; 10211. First overlapping plate; 10212. Second overlapping plate; 10213. Limiting protrusion; 1022. Second overlapping part; 10221. Overlap groove; 103. Fixing component; 1031. First plate; 1032. Second plate; 2. Roofing strip; 3. Connector; 4. Cable; 5. Fixing adhesive. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0039] Photovoltaic power generation relies on sunlight. For photovoltaic (PV) tiles, the uneven light distribution on curved surfaces results in poor power generation, and installation is more difficult and costly. Therefore, most PV tiles currently available are flat tiles. However, flat tiles are typically installed and fixed using molds or other structures, requiring adaptive adjustments to the structure of the PV modules. The overall installation process is cumbersome, and flat tiles have poor waterproofing and wind resistance.

[0040] The following is combined with Figures 1 to 6 The following describes embodiments of the present invention.

[0041] According to embodiments of the present invention, on the one hand, such as Figure 1 As shown, a photovoltaic module structure is provided, including: a plurality of photovoltaic units 1 laid layer by layer from bottom to top. One set of opposite angles of the photovoltaic units 1 is arranged along the vertical direction, and another set of opposite angles is adapted to be arranged along the extension direction of the roofing strips 2 of the photovoltaic roof. The extension direction of the roofing strips 2 is perpendicular to the vertical direction, and the upper end of the photovoltaic unit 1 is adapted to be connected to the roofing strips 2 through a connector 3.

[0042] Furthermore, such as Figures 2 to 5 As shown, the photovoltaic unit 1 includes a photovoltaic module 101 and four frames 102 surrounding the photovoltaic module 101. The frame 102 includes a first overlapping portion 1021 and a second overlapping portion 1022 connected to each other. The first overlapping portion 1021 extends outward, and the second overlapping portion 1022 is bent to form an overlapping groove 10221 with an outward opening. The first overlapping portions 1021 of the two upper frames 102 of the photovoltaic unit 1 overlap in the overlapping groove 10221 of the lower frame 102 of the adjacent photovoltaic unit 1.

[0043] Therefore, the photovoltaic module structure provided in this embodiment of the present invention features multiple photovoltaic units 1 arranged in a scale-like pattern from bottom to top. Each photovoltaic unit 1 can form a planar structure, which is beneficial for photovoltaic power generation and has good power generation efficiency. Furthermore, the scale-like structure has good waterproof performance. Moreover, installation can be completed simply by fixing the upper end of the photovoltaic unit 1 to the roof strip 2 and overlapping the first overlapping part 1021 of the adjacent photovoltaic units 1 with the overlapping groove 10221. The operation is simple, facilitating quick assembly and disassembly. The overlapping of adjacent photovoltaic units 1 provides mutual restraint and also has good structural stability and wind resistance.

[0044] Compared to traditional flat tiles, this embodiment of the invention adopts a dragon scale-like laying method, which can be applied to the installation of larger slopes, and even to the installation of vertical surfaces such as walls, making it widely applicable.

[0045] Specifically, the connector 3 can be an L-shaped plate, a strip plate, a bolt, etc. Taking bolts as an example, multiple mounting holes are pre-set at intervals on the roof strip 2, and then the two upper frame frames 102 of the photovoltaic unit 1 are fixed to the mounting holes by bolts.

[0046] It should be noted that the "up" and "down" directions in this embodiment of the utility model are as follows: Figure 1 As shown. In addition, the side of the frame 102 facing the photovoltaic module 101 is called the "inner", and the side of the frame 102 away from the photovoltaic module 101 is called the "outer".

[0047] In one embodiment, such as Figure 5 As shown, the first overlapping portion 1021 includes a first overlapping plate 10211 and a second overlapping plate 10212 connected to each other. The second overlapping plate 10212 is also connected to the upper end of the second overlapping portion 1022. The side of the first overlapping plate 10211 and the second overlapping plate 10212 near the photovoltaic module 101 forms a mounting groove for mounting the photovoltaic module 101. The side of the first overlapping plate 10211 and the second overlapping plate 10212 away from the photovoltaic module 101 is adapted to be inserted into the overlapping groove 10221 of the lower frame 102 of the adjacent photovoltaic module 101.

[0048] By setting the first overlapping plate 10211 and the second overlapping plate 10212, the installation of photovoltaic modules 101 and the overlapping assembly of adjacent photovoltaic units 1 can be realized simultaneously, without the need for additional installation molds or other structural installation fixation, which also helps to reduce the cost of use. Furthermore, the structure of the photovoltaic unit 1 itself does not need to be damaged; the assembly of connected photovoltaic units 1 can be achieved using only the frame 102, resulting in a simple structure that is easy to promote.

[0049] Furthermore, the first overlapping portion 1021 and the second overlapping portion 1022 are integrally formed.

[0050] In one embodiment, such as Figure 5 As shown, the lower periphery of the photovoltaic module 101 is fixedly connected to the second overlapping plate 10212 via adhesive 5. A limiting protrusion 10213 extends from the side of the second overlapping plate 10212 away from the first overlapping plate 10211 towards the photovoltaic module 101. The adhesive 5 securely connects the lower periphery of the photovoltaic module 101 to the second overlapping plate 10212, ensuring a strong connection and facilitating installation. The adhesive 5 includes structural adhesive and double-sided adhesive strips; that is, both structural adhesive and double-sided adhesive strips are used to fix the lower periphery of the photovoltaic module 101 to the second overlapping plate 10212. The limiting protrusion 10213 extending from the side of the second overlapping plate 10212 away from the first overlapping plate 10211 towards the photovoltaic module 101 limits the application range of the adhesive 5, preventing it from overflowing.

[0051] In one embodiment, such as Figure 5 and Figure 6 As shown, the photovoltaic unit 1 also includes multiple fasteners 103. Each fastener 103 includes a first plate 1031 and a second plate 1032 connected to each other. The first plate 1031 is fixedly connected to the inner side of a second overlapping plate 10212 of one frame 102, and the second plate 1032 is fixedly connected to the inner side of the second overlapping plate 10212 of an adjacent frame 102. The fasteners 103 are used to fix adjacent frames 102 of the photovoltaic unit 1, improving the stability of the frames 102 and preventing the frames 102 from falling off under stress during transportation and installation of the photovoltaic unit 1.

[0052] In one embodiment, such as Figure 1 As shown, photovoltaic units 1 are arranged at intervals along the extension direction of the roof strip 2. That is, there are gaps between photovoltaic units 1 installed on the same roof strip 2, and the photovoltaic units 1 on the same roof strip 2 are in the same layer. By arranging photovoltaic units 1 at intervals along the extension direction of the roof strip 2, and then inserting the photovoltaic units 1 of the previous layer into the intervals, the photovoltaic units 1 can be stacked, which is convenient for installation.

[0053] In one embodiment, the wall of the overlap groove 10221 is provided with an elastic element (not shown in the figure), and the first overlap portion 1021 overlaps the elastic element. The elastic element is used to cushion the first overlap portion 1021, preventing the first overlap portion 1021 from being worn or damaged by force when it overlaps with the overlap groove 10221, which helps to extend the service life of the photovoltaic module 101 and also improves its shock resistance. The elastic element can be a rubber strip.

[0054] In one embodiment, such as Figure 5As shown, a gap is left between the upper end of the first overlapping part 1021 and the wall of the overlapping groove 10221. The gap between the upper end of the first overlapping part 1021 and the wall of the overlapping groove 10221 facilitates the insertion and removal of the first overlapping part 1021 into the overlapping groove 10221, and facilitates the quick installation and removal of the photovoltaic unit 1.

[0055] In one embodiment, the photovoltaic unit 1 is further provided with waterproof adhesive strips and / or windproof hooks on the two upper frame edges 102. The waterproof adhesive strips are used to prevent rainwater from flowing back. The windproof hooks are used to fix the adjacent upper photovoltaic unit 1, further improving wind resistance.

[0056] In one embodiment, such as Figure 5 As shown, the photovoltaic module 101 includes a colored glass layer 1011, a first adhesive layer 1012, a cadmium telluride glass layer 1013, a second adhesive layer 1014, and a glass layer 1015 stacked sequentially. The photovoltaic module 101 uses the cadmium telluride glass layer 1013 to generate electricity, resulting in a smaller hot spot effect, avoiding the risk of fire caused by hot spots, and achieving a lower power temperature coefficient and less power loss. By incorporating the colored glass layer 1011, the surface color of the photovoltaic module 101 can be adjusted according to user needs, broadening its application range.

[0057] In some other embodiments, the photovoltaic module 101 may omit the colored glass layer 1011 to reduce the cost of use. In this case, the photovoltaic module 101 includes a cadmium telluride glass layer 1013, a second adhesive layer 1014 and a glass layer 1015 stacked in sequence.

[0058] It should be noted that the hot spot effect refers to the phenomenon where the photovoltaic module 101 generates significant heat when partially shaded, such as by bird droppings or leaves, potentially damaging or burning the module and posing a fire risk. The power temperature coefficient represents the relationship between power and the photovoltaic operating temperature; the higher the operating temperature, the greater the power loss, and the smaller the coefficient, the less power is lost. Both the first adhesive layer 1012 and the second adhesive layer 1014 can utilize existing adhesive layers, such as PVB (polyvinyl butyral) film.

[0059] In addition, such as Figure 1 and Figure 2 As shown, the photovoltaic module 101 also includes cables 4 for discharging the electricity generated by the photovoltaic module 101. Multiple photovoltaic module 101 cables 4 arranged in rows along the extension direction of the roof rail 2 are connected in series and finally connected to the return current equipment from the cables 4 located at both ends of the roof rail 2.

[0060] The installation steps of this utility model embodiment are as follows:

[0061] Multiple tile strips 2 are pre-installed on the photovoltaic roof. The two upper frame sides 102 of multiple photovoltaic units 1 are then sequentially bolted to the mounting holes of the lowest tile strip 2. Simultaneously, the angles are adjusted so that two opposite corners of the photovoltaic units 1 are arranged vertically, and the other two opposite corners are arranged along the extension direction of the tile strip 2, with gaps between adjacent photovoltaic units 1. Photovoltaic units 1 are then installed layer by layer from bottom to top until the entire roof is covered. The upper photovoltaic units 1 are positioned between two adjacent lower photovoltaic units 1, and the first overlap 1021 of the two upper frame sides 102 of the lower photovoltaic units 1 overlaps within the overlap grooves 10221 of the lower frame sides 102 of the upper photovoltaic units 1.

[0062] The disassembly steps of this utility model embodiment are as follows:

[0063] Remove the bolts connecting the topmost photovoltaic units 1 to the roof strips 2 one by one, and pull out the photovoltaic units 1 from above. Repeat the above steps from top to bottom until all photovoltaic units 1 are removed.

[0064] To achieve the basic functions of the photovoltaic module structure, the photovoltaic module structure in this embodiment may also include other necessary modules or components, such as a control system and a junction box. It should be noted that any suitable existing construction can be selected for the other necessary modules or components included in the photovoltaic module structure. To clearly and concisely illustrate the technical solution provided in this embodiment, the above-mentioned parts will not be repeated here, and the accompanying drawings have also been simplified accordingly. However, it should be understood that the scope of this utility model is not limited thereto.

[0065] According to an embodiment of this utility model, another aspect provides a photovoltaic roof, including a roof structure and a photovoltaic module structure. Multiple tile strips 2 are spaced apart along the vertical direction at the top of the roof structure. The upper end of the photovoltaic unit 1 is fixedly connected to the tile strips 2 via a connector 3.

[0066] The photovoltaic module structure provided in this embodiment of the utility model features multiple photovoltaic units 1 arranged in a scale-like pattern from bottom to top. Each photovoltaic unit 1 forms a planar structure, which is beneficial for photovoltaic power generation and has good power generation efficiency. Furthermore, the scale-like structure has good waterproof performance. Moreover, installation can be completed simply by fixing the upper end of the photovoltaic unit 1 to the roof strip 2 and overlapping the first overlapping part 1021 of adjacent photovoltaic units 1 with the overlapping groove 10221. The operation is simple, facilitating quick assembly and disassembly. The overlapping of adjacent photovoltaic units 1 provides mutual restraint and also has good structural stability and wind resistance.

[0067] Although embodiments of the present 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 present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A photovoltaic module structure, characterized in that, include: Multiple photovoltaic units (1) are laid out layer by layer from bottom to top. One set of relative angles of the photovoltaic units (1) is arranged along the vertical direction, and another set of relative angles is suitable for being arranged along the extension direction of the roof tile strips (2). The extension direction of the roof tile strips (2) is perpendicular to the vertical direction. The upper end of the photovoltaic unit (1) is suitable for being connected to the roof tile strips (2) through a connector (3). The photovoltaic unit (1) includes a photovoltaic module (101) and four frames (102) surrounding the photovoltaic module (101). The frame (102) includes a first overlapping portion (1021) and a second overlapping portion (1022) connected to each other. The first overlapping portion (1021) extends outward, and the second overlapping portion (1022) is bent to form an overlapping groove (10221) with an outward opening. The first overlapping portions (1021) of the two frames (102) on the upper side of the photovoltaic unit (1) overlap in the overlapping groove (10221) of the lower frame (102) of the adjacent photovoltaic unit (1).

2. The photovoltaic module structure according to claim 1, characterized in that, The first overlapping portion (1021) includes a first overlapping plate (10211) and a second overlapping plate (10212) connected to each other. The second overlapping plate (10212) is also connected to the upper end of the second overlapping portion (1022). The side of the first overlapping plate (10211) and the second overlapping plate (10212) close to the photovoltaic module (101) forms a mounting groove for mounting the photovoltaic module (101). The side of the first overlapping plate (10211) and the second overlapping plate (10212) away from the photovoltaic module (101) is adapted to be inserted into the overlapping groove (10221) of the lower frame (102) of the adjacent photovoltaic module (101).

3. The photovoltaic module structure according to claim 2, characterized in that, The lower end of the photovoltaic module (101) is fixedly connected to the second overlapping plate (10212) by fixing adhesive (5). The second overlapping plate (10212) has a limiting protrusion (10213) extending toward the photovoltaic module (101) on the side away from the first overlapping plate (10211).

4. The photovoltaic module structure according to claim 2, characterized in that, The photovoltaic unit (1) also includes a plurality of fasteners (103), each fastener (103) including a first plate (1031) and a second plate (1032) connected to each other. The first plate (1031) is fixedly connected to the inner side of the second overlapping plate (10212) of one of the frame (102), and the second plate (1032) is fixedly connected to the inner side of the second overlapping plate (10212) of the adjacent other frame (102).

5. The photovoltaic module structure according to any one of claims 1 to 4, characterized in that, The photovoltaic units (1) are arranged at intervals along the extension direction of the roof tile strips (2).

6. The photovoltaic module structure according to any one of claims 1 to 4, characterized in that, The groove wall of the overlapping groove (10221) is provided with an elastic element, and the first overlapping part (1021) overlaps on the elastic element.

7. The photovoltaic module structure according to any one of claims 1 to 4, characterized in that, A gap is left between the upper end of the first overlapping part (1021) and the groove wall of the overlapping groove (10221).

8. The photovoltaic module structure according to any one of claims 1 to 4, characterized in that, The photovoltaic unit (1) is also provided with waterproof strips and / or windproof hooks on the two upper frame frames (102).

9. The photovoltaic module structure according to any one of claims 1 to 4, characterized in that, The photovoltaic module (101) includes a colored glass layer (1011), a first adhesive layer (1012), a cadmium telluride glass layer (1013), a second adhesive layer (1014), and a glass layer (1015) stacked sequentially. Alternatively, the photovoltaic module (101) may include a cadmium telluride glass layer (1013), a second adhesive layer (1014), and a glass layer (1015) stacked sequentially.

10. A photovoltaic roof, characterized in that, include: The roof structure has multiple battens spaced at intervals along the vertical direction at the top (2); According to any one of claims 1 to 9, in the photovoltaic module structure, the upper end of the photovoltaic unit (1) is fixedly connected to the roof tile strip (2) via a connector (3).

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