Solar cell panel

Abstract

The utility model discloses a solar cell panel. The solar cell panel comprises a first adhesive film, a cell assembly, a supporting assembly and a second adhesive film, wherein the first adhesive film, the supporting assembly and the second adhesive film are sequentially stacked; the supporting assembly comprises a supporting frame, an annular space is defined by the supporting frame, and the battery assembly is arranged in the annular space and located between the first adhesive film and the second adhesive film. According to the solar cell panel, the first adhesive film, the supporting assembly and the second adhesive film are sequentially stacked, the annular space is defined by the supporting frame, and the cell assembly is arranged in the annular space and located between the first adhesive film and the second adhesive film, so that the supporting frame can play a role in supporting the whole solar cell panel; the stability of the solar cell panel structure is improved, the supporting frame is simple in structure and high in strength, and the service life of the solar cell panel can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar cell panel technical field, especially in solar cell panel. BACKGROUND

[0002] With the development of new energy technology, solar cell panel has been widely used by people. In the existing solar cell panel, the solar cell panel includes ETFE film (ethylene-tetrafluoroethylene copolymer film), EVA film (polyethylene-polyvinyl acetate copolymer film), cell piece assembly and circuit board which are sequentially stacked, wherein the circuit board not only plays the role of circuit connection, but also plays the role of support load in the solar cell panel, and the structural strength of the circuit board is low, which is easy to break, thereby affecting the service life of the solar cell panel. SUMMARY

[0003] The utility model embodiment provides a kind of solar cell panel to solve at least one technical problem existing above.

[0004] The utility model embodiment provides a kind of solar cell panel to solve at least one technical problem existing above.

[0005] The support assembly includes a support frame, the support frame surrounds annular space, and the cell assembly is arranged in the annular space and located between the first adhesive film and the second adhesive film.

[0006] In the above solar cell panel, the first adhesive film, the support assembly and the second adhesive film are sequentially stacked, the support frame surrounds annular space, the cell assembly is arranged in the annular space and located between the first adhesive film and the second adhesive film, so that the support frame can support the whole solar cell panel, improve the stability of the structure of the solar cell panel, the structure of the support frame is simple and has high strength, which can improve the service life of the solar cell panel.

[0007] In some embodiments, the support frame includes a plurality of connecting pieces, and the plurality of connecting pieces are connected end to end by a mortise and tenon structure.

[0008] In some embodiments, the mortise and tenon structure includes a tenon and a mortise, the tenon is arranged at one end of the connecting piece, the mortise is arranged at the other end of the connecting piece, the mortise and tenon structure is configured such that the tenon of one connecting piece is arranged in the mortise of another connecting piece, and the tenon and the mortise are matched.

[0009] In some embodiments, the support assembly includes a third adhesive film and an epoxy plate, and the support frame, the third adhesive film and the epoxy plate are sequentially stacked.

[0010] In some embodiments, the thickness of the support frame ranges from 0.2mm to 2.0mm.

[0011] In some embodiments, the thickness of the epoxy plate ranges from 0.2mm to 2.0mm.

[0012] In some embodiments, the battery assembly comprises a battery sheet assembly and a conductive strip assembly, the conductive strip assembly is electrically connected with the battery sheet assembly, and the conductive strip assembly is arranged at the side of the battery sheet assembly.

[0013] In some embodiments, the conductive strip assembly comprises a first conductive strip and a second conductive strip, the first conductive strip is arranged around part of the battery sheet assembly, the second conductive strip is arranged around another part of the battery sheet assembly, one side of the battery sheet assembly is connected with the first conductive strip through a connecting line, and the other side of the battery sheet assembly is connected with the second conductive strip through the connecting line.

[0014] In some embodiments, the first conductive strip has a positive electrode end, the second conductive strip has a negative electrode end, the first adhesive film is provided with a first connecting hole and a second connecting hole, the first connecting hole and the second connecting hole both penetrate through the first adhesive film, the positive electrode end is connected with an external circuit through the first connecting hole, and the negative electrode end is connected with the external circuit through the second connecting hole.

[0015] In some embodiments, the solar cell panel comprises a positive electrode connecting piece and a negative electrode connecting piece, one end of the positive electrode connecting piece is connected with the positive electrode end through the first connecting hole, and the other end of the positive electrode connecting piece is connected with the external circuit.

[0016] One end of the negative electrode connecting piece is connected with the negative electrode end through the second connecting hole, and the other end of the negative electrode connecting piece is connected with the external circuit.

[0017] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0019] Figure 1 is a structural schematic diagram of a solar cell panel of the embodiment of the present application;

[0020] Figure 2 is a partial structure explosion schematic diagram of a solar cell panel of the embodiment of the present application;

[0021] Figure 3 is a partial structure schematic view of a solar cell panel according to an embodiment of the present application;

[0022] Figure 4 is Figure 1 is a sectional view along the section line A-A in figure 1;

[0023] Figure 5 is Figure 4 is an enlarged view of part B in figure 1;

[0024] Figure 6 is Figure 4 is an enlarged view of part C in figure 1;

[0025] Figure 7 is a structure schematic view of a connecting piece according to an embodiment of the present application.

[0026] Reference signs:

[0027] 100, solar cell panel; 10, first adhesive film; 12, battery assembly; 16, second adhesive film; 18, annular space; 20, battery piece assembly; 22, conductive strip assembly; 24, battery piece; 26, first conductive strip; 28, second conductive strip; 30, connecting wire; 32, positive electrode end; 34, negative electrode end; 36, first connecting hole; 38, second connecting hole; 40, positive electrode connecting piece; 42, negative electrode connecting piece; 46, supporting assembly; 48, supporting frame; 50, connecting piece; 52, mortise and tenon structure; 54, tenon; 56, mortise; 58, third adhesive film; 60, epoxy plate. DETAILED DESCRIPTION

[0028] The embodiments of the present application will be described in detail below with reference to the drawings, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are for the purpose of explanation only, and are not to be understood as limiting the present application.

[0029] In the description of the utility model, it is necessary to understand 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" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly specified and limited.

[0030] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected. It can be mechanically connected, or it can be electrically connected. It can be directly connected, or it can be indirectly connected through an intermediate medium. It can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] The disclosure herein provides many different embodiments or examples for implementing the different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of a specific example are described herein. Of course, they are only examples, and the purpose is not to limit the utility model. In addition, the utility model can repeatedly refer to numbers and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0033] Please refer to Figures 1 to 6The solar cell panel 100 according to the embodiment of the present application comprises a first adhesive film 10, a battery assembly 12, a support assembly 46 and a second adhesive film 16. The first adhesive film 10, the support assembly 46 and the second adhesive film 16 are sequentially stacked. The support assembly 46 comprises a support frame 48. The support frame 48 surrounds an annular space 18. The battery assembly 12 is arranged in the annular space 18 and between the first adhesive film 10 and the second adhesive film 16.

[0034] In the solar cell panel 100, the first adhesive film 10, the support assembly 46 and the second adhesive film 16 are sequentially stacked. The support frame 48 surrounds the annular space 18. The battery assembly 12 is arranged in the annular space 18 and between the first adhesive film 10 and the second adhesive film 16. Thus, the support frame 48 can support the whole solar cell panel 100, improve the stability of the structure of the solar cell panel 100, and improve the service life of the solar cell panel 100. In addition, the support frame 48 is simple in structure, high in strength, easy to process, and can improve the production efficiency of the solar cell panel 100.

[0035] Specifically, in the solar cell panel 100, Figure 2 In the solar cell panel 100, the first adhesive film 10, the support assembly 46 and the second adhesive film 16 are sequentially stacked. The support frame 48 surrounds the annular space 18. The battery assembly 12 is arranged in the annular space 18 and between the first adhesive film 10 and the second adhesive film 16. Thus, the support frame 48 can support the whole solar cell panel 100, improve the stability of the structure of the solar cell panel 100, and improve the service life of the solar cell panel 100. In addition, the support frame 48 is simple in structure, high in strength, easy to process, and can improve the production efficiency of the solar cell panel 100.

[0036] The first adhesive film 10 and the second adhesive film 16 can comprise an ETFE (ethylene tetrafluoroethylene) film, a PVDF (polyvinylidene fluoride) film, a PET (polyethylene terephthalate) film, etc. The support frame 48 can be made of metal, such as iron, etc.

[0037] In the solar cell panel 100, the first adhesive film 10, the support assembly 46 and the second adhesive film 16 are sequentially stacked. The support frame 48 surrounds the annular space 18. The battery assembly 12 is arranged in the annular space 18 and between the first adhesive film 10 and the second adhesive film 16. Thus, the support frame 48 can support the whole solar cell panel 100, improve the stability of the structure of the solar cell panel 100, and improve the service life of the solar cell panel 100. In addition, the support frame 48 is simple in structure, high in strength, easy to process, and can improve the production efficiency of the solar cell panel 100.

[0038] It should be noted that, in one example, after the first adhesive film 10, the support assembly 46 and the second adhesive film 16 are sequentially stacked, and the battery assembly 12 is arranged in the annular space 18 and located between the first adhesive film 10 and the second adhesive film 16, the solar panel 100 can be laminated by a laminator, so that the first adhesive film 10, the support frame 48, the third adhesive film 58, the epoxy plate 60 and the second adhesive film 16 are tightly fixed, and the battery assembly 12 is sealed and fixed in the annular space 18.

[0039] In some embodiments, the first adhesive film 10 and the second adhesive film 16 are both transparent materials.

[0040] In this way, sunlight can be irradiated on the battery assembly 12, and the light transmittance is enhanced.

[0041] Specifically, the first adhesive film 10 and the second adhesive film 16 are both transparent materials, which can facilitate sunlight to irradiate on the battery assembly 12 and enhance the light transmittance. In addition, the internal battery assembly 12 and the structure of the support assembly 46 can be observed through the transparent first adhesive film 10 and the second adhesive film 16 to determine whether there is damage.

[0042] It should be noted that, in one example, sunlight is incident from the direction of the second adhesive film 16 and then irradiates on the battery assembly 12.

[0043] Please refer to Figure 2 and Figure 3 In some embodiments, the support frame 48 includes a plurality of connecting pieces 50, and the plurality of connecting pieces 50 are connected end to end through the mortise and tenon structure 52.

[0044] In this way, the support frame 48 can be easily processed and installed, and the production efficiency is improved. In addition, the plurality of connecting pieces 50 are connected end to end through the mortise and tenon structure 52, which can enhance the load bearing capacity of the support frame 48.

[0045] Specifically, in Figure 3 , the support frame 48 can be in the shape of a mouth, and the support frame 48 is provided with four connecting pieces 50. The connecting piece 50 can be in the shape of a long strip, and the four connecting pieces 50 are connected end to end through the mortise and tenon structure 52. In this way, the support frame 48 can be easily processed and installed, and the production efficiency is improved. In addition, the plurality of connecting pieces 50 are connected end to end through the mortise and tenon structure 52, which can enhance the load bearing capacity of the support frame 48.

[0046] Please refer to Figure 3 and Figure 7In some embodiments, the mortise and tenon structure 52 includes a tenon 54 and a mortise 56, the tenon 54 is arranged at one end of the connecting piece 50, the mortise 56 is arranged at the other end of the connecting piece 50, and the mortise and tenon structure 52 is configured such that the tenon 54 of one connecting piece 50 is arranged in the mortise 56 of another connecting piece 50, and the tenon 54 and the mortise 56 are arranged in a matching manner.

[0047] In this way, the plurality of connecting pieces 50 can be connected end to end through the matching arrangement of the tenon 54 and the mortise 56.

[0048] Specifically, the tenon 54 can be arranged protruding from one end surface of the connecting piece 50, and the mortise 56 can be arranged on the side surface close to the other end surface of the connecting piece 50. In one embodiment, the tenon 54 of one connecting piece 50 can be arranged in the mortise 56 of another connecting piece 50, and the tenon 54 and the mortise 56 are arranged in a matching manner, so that the plurality of connecting pieces 50 can be connected end to end. In addition, the matching arrangement of the tenon 54 and the mortise 56 means that the shape and size of the tenon 54 are adapted to the shape and size of the mortise 56.

[0049] It should be noted that the support frame 48 can not only be a quadrilateral structure formed by four connecting pieces 50 connected end to end, but also a hexagonal structure formed by six connecting pieces 50 connected end to end, an octagonal structure formed by eight connecting pieces 50 connected end to end, etc., which is not limited here.

[0050] Please refer to Figure 2 and Figure 5 In some embodiments, the support assembly 46 includes a third adhesive film 58 and an epoxy plate 60, and the support frame 48, the third adhesive film 58 and the epoxy plate 60 are arranged in a stacked manner.

[0051] In this way, the support and load bearing capacity of the support assembly 46 can be enhanced.

[0052] Specifically, the third adhesive film 58 includes an ETFE (ethylene tetrafluoroethylene) film, a PVDF (polyvinylidene fluoride) film, a PET (polyethylene terephthalate) film, etc. The epoxy plate 60 is a composite material made of epoxy resin as base material and auxiliary materials such as curing agent and filler. In one embodiment, the support and load bearing capacity of the support assembly 46 can be enhanced by arranging the support frame 48, the third adhesive film 58 and the epoxy plate 60 in a stacked manner.

[0053] Please refer to Figure 6 In some embodiments, the thickness D1 of the support frame 48 is in the range of [0.2mm, 2.0mm].

[0054] In this way, the thickness D1 of the support frame 48 can be set to be within a range of 0.2mm to 2.0mm, so that the structural strength of the support frame 48 can be ensured, and the thickness D1 of the support frame 48 can be prevented from being too small to reduce the strength of the support frame 48, and the thickness D1 of the support frame 48 can be prevented from being too large to increase the overall thickness of the solar cell panel 100.

[0055] In particular, in one embodiment, the thickness D1 of the support frame 48 is set to be within a range of 0.2mm to 2.0mm, so that the structural strength of the support frame 48 can be ensured, and the thickness D1 of the support frame 48 can be prevented from being too small to reduce the strength of the support frame 48, and the thickness D1 of the support frame 48 can be prevented from being too large to increase the overall thickness of the solar cell panel 100.

[0056] In addition, the thickness D1 of the support frame 48 can be 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, or other values within a range of 0.2mm to 2.0mm.

[0057] Please refer to Figure 6 In some embodiments, the thickness D2 of the epoxy plate 60 is within a range of [0.2mm, 2.0mm].

[0058] In this way, the thickness D2 of the epoxy plate 60 can be set to be within a range of 0.2mm to 2.0mm, so that the structural strength of the epoxy plate 60 can be ensured, and the thickness D2 of the epoxy plate 60 can be prevented from being too small to reduce the strength of the epoxy plate 60, and the thickness D2 of the epoxy plate 60 can be prevented from being too large to increase the overall thickness of the solar cell panel 100.

[0059] In particular, in one embodiment, the thickness D2 of the epoxy plate 60 is set to be within a range of 0.2mm to 2.0mm, so that the structural strength of the epoxy plate 60 can be ensured, and the thickness D2 of the epoxy plate 60 can be prevented from being too small to reduce the strength of the epoxy plate 60, and the thickness D2 of the epoxy plate 60 can be prevented from being too large to increase the overall thickness of the solar cell panel 100.

[0060] In addition, the thickness D2 of the epoxy plate 60 can be 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, or other values within a range of 0.2mm to 2.0mm.

[0061] Please refer to Figure 2 and Figure 3In some embodiments, the battery assembly 12 includes a battery sheet assembly 20 and a conductive strip assembly 22, the conductive strip assembly 22 is electrically connected with the battery sheet assembly 20, and the conductive strip assembly 22 is arranged at intervals on the side of the battery sheet assembly 20.

[0062] In this way, the electric energy generated by the battery sheet assembly 20 can be output through the conductive strip assembly 22.

[0063] Specifically, in the battery sheet assembly 20 includes a plurality of battery sheets 24, and the plurality of battery sheets 24 can be connected in series by welding wires or welding strips. The conductive strip assembly 22 can be arranged between the inner side of the support frame 48 and the battery sheet assembly 20. In one embodiment, the conductive strip assembly 22 can be arranged at intervals on the side of the battery sheet assembly 20, and the conductive strip assembly 22 can be electrically connected with the battery sheet assembly 20 through the connecting wires 30, so that the electric energy generated by the battery sheet assembly 20 can be output through the conductive strip assembly 22. Figure 3 Please refer to

[0064] In some embodiments, the conductive strip assembly 22 includes a first conductive strip 26 and a second conductive strip 28, the first conductive strip 26 is arranged around part of the battery sheet assembly 20, the second conductive strip 28 is arranged around another part of the battery sheet assembly 20, one side of the battery sheet assembly 20 is connected with the first conductive strip 26 through the connecting wires 30, and the other side of the battery sheet assembly 20 is connected with the second conductive strip 28 through the connecting wires 30. Figure 3 In this way, the electric energy generated by the battery sheet assembly 20 can be further output through the first conductive strip 26 and the second conductive strip 28.

[0065] Specifically, the first conductive strip 26 and the second conductive strip 28 can each include a copper strip, and the first conductive strip 26 and the second conductive strip 28 can be arranged in a mutually mirror image L shape. The first conductive strip 26 and the second conductive strip 28 can be arranged between the inner side of the support frame 48 and the battery sheet assembly 20. The battery sheet assembly 20 can be connected with the first conductive strip 26 and the second conductive strip 28 through the connecting wires 30. In one embodiment, one side of the battery sheet assembly 20 is connected with the first conductive strip 26 through the connecting wires 30, and the other side of the battery sheet assembly 20 is connected with the second conductive strip 28 through the connecting wires 30, so that the electric energy generated by the battery sheet assembly 20 can be output through the first conductive strip 26 and the second conductive strip 28.

[0066] Alternatively, the battery sheet assembly 20 is electrically connected by a plurality of battery sheets 24, one side of the battery sheet assembly 20 can be connected with the first conductive strip 26 through a plurality of connecting wires 30, and the other side of the battery sheet assembly 20 can be connected with the second conductive strip 28 through a plurality of connecting wires 30.

[0067] Please refer to

[0068] Figures 2 to 5 ​In some embodiments, the first conductive strip 26 has a positive terminal 32, the second conductive strip 28 has a negative terminal 34, the first adhesive film 10 is provided with a first connecting hole 36 and a second connecting hole 38, the first connecting hole 36 and the second connecting hole 38 both pass through the first adhesive film 10, the positive terminal 32 is connected to an external circuit (not shown) through the first connecting hole 36, and the negative terminal 34 is connected to the external circuit through the second connecting hole 38.

[0069] In this way, the electric energy generated by the battery assembly 12 can be output to the external circuit through the first connecting hole 36 and the second connecting hole 38.

[0070] Specifically, in the above-mentioned embodiments, the first conductive strip 26 has a positive terminal 32, the second conductive strip 28 has a negative terminal 34, the first adhesive film 10 is provided with a first connecting hole 36 and a second connecting hole 38, the first connecting hole 36 and the second connecting hole 38 both pass through the first adhesive film 10, the positive terminal 32 is connected to an external circuit (not shown) through the first connecting hole 36, and the negative terminal 34 is connected to the external circuit through the second connecting hole 38. Figure 3 In this way, the electric energy generated by the battery assembly 12 can be output to the external circuit through the first connecting hole 36 and the second connecting hole 38.

[0071] Please refer to Figure 2 and Figure 5 In some embodiments, the solar panel 100 includes a positive connecting piece 40 and a negative connecting piece 42, one end of the positive connecting piece 40 is connected to the positive terminal 32 through the first connecting hole 36, and the other end of the positive connecting piece 40 is connected to an external circuit. One end of the negative connecting piece 42 is connected to the negative terminal 34 through the second connecting hole 38, and the other end of the negative connecting piece 42 is connected to the external circuit.

[0072] In this way, the electric energy generated by the battery assembly 12 can be further output to the external circuit through the positive connecting piece 40 and the negative connecting piece 42.

[0073] Specifically, the positive connecting piece 40 and the negative connecting piece 42 can both include a copper strip or a copper sheet. In one embodiment, one end of the positive connecting piece 40 is connected to the positive terminal 32 through the first connecting hole 36, the other end of the positive connecting piece 40 is connected to a positive connecting position of an external circuit, one end of the negative connecting piece 42 is connected to the negative terminal 34 through the second connecting hole 38, and the other end of the negative connecting piece 42 is connected to a negative connecting position of the external circuit, thereby outputting the electric energy generated by the battery assembly 12 to the external circuit through the positive connecting piece 40 and the negative connecting piece 42.

[0074] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", 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 application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0075] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A solar panel, characterized by, The solar cell panel comprises a first adhesive film, a battery assembly, a support assembly and a second adhesive film, which are sequentially stacked. The support assembly comprises a support frame, which surrounds an annular space, and the battery assembly is arranged in the annular space and between the first adhesive film and the second adhesive film.

2. The solar panel of claim 1, wherein, The support frame comprises a plurality of connecting pieces, which are connected end to end through a mortise and tenon structure.

3. The solar panel of claim 2, wherein, The mortise and tenon structure comprises a tenon and a mortise, the tenon is arranged at one end of the connecting piece, and the mortise is arranged at the other end of the connecting piece, and the mortise and tenon structure is configured such that the tenon of one connecting piece is arranged in the mortise of another connecting piece, and the tenon and the mortise are arranged in matching mode.

4. The solar panel of claim 1, wherein, The support assembly comprises a third adhesive film and an epoxy plate, which are sequentially stacked.

5. The solar panel of claim 1, wherein, The thickness of the support frame ranges from 0.2mm to 2.0mm.

6. The solar panel of claim 4, wherein, The thickness of the epoxy plate ranges from 0.2mm to 2.0mm.

7. The solar panel of claim 1, wherein, The battery assembly comprises a battery piece assembly and a conductive strip assembly, the conductive strip assembly is electrically connected to the battery piece assembly, and the conductive strip assembly is arranged at intervals on the side surface of the battery piece assembly.

8. The solar panel of claim 7, wherein, The conductive strip assembly comprises a first conductive strip and a second conductive strip, the first conductive strip is arranged around part of the battery piece assembly, and the second conductive strip is arranged around another part of the battery piece assembly, one side of the battery piece assembly is connected to the first conductive strip through a connecting wire, and the other side of the battery piece assembly is connected to the second conductive strip through the connecting wire.

9. The solar panel of claim 8, wherein, The first conductive strip has a positive terminal, the second conductive strip has a negative terminal, the first adhesive film is provided with a first connecting hole and a second connecting hole, the first connecting hole and the second connecting hole penetrate the first adhesive film, the positive terminal is connected to an external circuit through the first connecting hole, and the negative terminal is connected to the external circuit through the second connecting hole.

10. The solar panel of claim 9, wherein, The solar cell panel comprises a positive connecting piece and a negative connecting piece, one end of the positive connecting piece is connected to the positive terminal through the first connecting hole, and the other end of the positive connecting piece is connected to the external circuit. One end of the negative connecting piece is connected to the negative terminal through the second connecting hole, and the other end of the negative connecting piece is connected to the external circuit.

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