Solar panel

Abstract

To provide a solar panel.SOLUTION: A solar panel, comprising a power generation assembly (1100) and a wire (1200), wherein the power generation assembly (1100) comprises a rigid frame (11) provided with a receiving hole, a cell sheet (12) arranged in the receiving hole, and a back plate (13) arranged in the receiving hole and located on the cell sheet (12), and an adhesive film (1600) is arranged between the back plate (13) and the back plate (13); An insulating plate (14), wherein the conducting wire (1200) is disposed between the insulating plate (14) and the back plate (13).SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] This application claims the priority and interests of the patent application filed with the State Intellectual Property Office of China on July 11, 2022, bearing patent application number "202221779611.7", the priority and interests of the patent application filed with the State Intellectual Property Office of China on July 1, 2022, bearing patent application number "202210775387.2", the priority and interests of the patent application filed with the State Intellectual Property Office of China on December 9, 2022, bearing patent application number "202223301238.7", and the priority and interests of the patent application filed with the State Intellectual Property Office of China on January 13, 2023, bearing patent application number "202320081870.0", the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the field of solar energy technology, and in particular to solar panels. [Background technology]

[0003] Solar panels are the core component of solar power generation systems. They absorb sunlight to generate electricity, which can then be used to power the application or to charge a storage battery, which then supplies the power to the application. Summary of the Invention [Problem to be solved by the invention]

[0004] An embodiment of the present application provides a solar panel.

[0005] A solar panel according to an embodiment of the present application includes a cell sheet for receiving light and generating electricity. The solar panel of this embodiment includes a rigid frame having a receiving hole and a battery sheet disposed in the receiving hole.

[0006] The solar panel of this embodiment incorporates a rigid frame and a power generation module consisting of a battery sheet, of which the power generation module consisting of the battery sheet is designed to receive light and generate electricity. The battery sheet is placed in a storage hole in the rigid frame, and the rigid frame can protect the battery sheet from the sealing cross-section direction, improving impact resistance, bending resistance, and mechanical strength.It is also lighter than conventional external metal frames, and can reduce shielding of the edge parts, so it does not obstruct operation of the battery sheet.

[0007] In some embodiments, a solar panel includes a power generating assembly including a rigid frame, a battery sheet, a back plate, and an insulating plate, and conductors, wherein the rigid frame has an accommodation hole, the battery sheet is disposed in the accommodation hole, the back plate is disposed in the accommodation hole and on the battery sheet, an adhesive film is disposed between the back plate and the battery sheet, the insulating plate is coated on one end surface of the rigid frame close to the back plate, and the conductors are disposed between the back plate and the insulating plate.

[0008] The solar panel of this embodiment includes a power generating assembly and a conductor, the power generating assembly including a rigid frame, a battery sheet, a back plate, and an insulating plate, the rigid frame having an accommodating hole, the battery sheet and the back plate both disposed within the accommodating hole, the back plate being disposed on one side of the battery sheet closer to the back film, the insulating plate covering one end face of the rigid frame closer to the back plate, and the conductor being disposed between the back plate and the insulating plate. By adding the insulating plate and disposing the conductor between the back plate and the insulating plate, the solar panel can better protect the conductor, avoiding problems of electrical leakage due to exposed conductor, and improving the safety of the solar panel.

[0009] In some embodiments, the solar panel includes a rigid frame, a battery sheet layer, a front plate layer, and a back plate layer, the rigid frame having a receiving hole, the battery sheet layer disposed within the receiving hole, the front plate layer located on one side of the battery sheet layer, and the back plate layer located on the other side of the battery sheet layer.

[0010] The solar panel of this embodiment has a built-in power generation module consisting of a battery sheet layer, a front panel layer, and a back panel layer, and a rigid frame, of which the battery sheet layer is used to receive light and generate electricity, and the front panel layer and back panel layer protect the battery sheet layer from the front and back, respectively. The power generation module of the battery sheet layer is placed in the accommodation hole of the rigid frame, and the rigid frame protects the power generation module of the battery sheet layer from the sealing cross-sectional direction, thereby improving impact resistance, bending resistance, and mechanical strength. At the same time, it is lighter than conventional external metal frames, can reduce edge shielding, and does not obstruct the operation of the battery sheet.

[0011] In some embodiments, the solar panel includes a stacked battery sheet layer, a glass fiber reinforced layer, and two protective layers disposed on either side of the battery sheet layer, the glass fiber reinforced layer disposed between the battery sheet layer and the protective layer being manufactured by mixing glass fiber and an impregnating adhesive, and both the glass fiber reinforced layer and the protective layer being transparent.

[0012] In this embodiment, a glass fiber reinforced layer is provided between the protective layer and the battery sheet layer. The battery sheet layer is used to receive light and generate electricity, and the protective layer is used to protect the inner layer structure. Both the glass fiber reinforced layer and the protective layer have a transparent structure and do not affect the operation of the battery sheet layer. The glass fiber reinforced layer is manufactured by mixing glass fiber and impregnated adhesive. On the one hand, the glass fiber reinforced layer can improve the impact resistance of the battery sheet layer and improve the bending resistance of the solar panel. On the other hand, the density of the glass fiber and impregnated adhesive that make up the glass fiber reinforced layer is low, so that it has little impact on the weight of the solar panel and ensures the portability of the solar panel.

[0013] In some embodiments, the solar panel includes a battery layer and a front plate and a back plate respectively stacked on both the front and back sides of the battery layer, the battery layer including a rigid frame and a battery row, the rigid frame including a plurality of vertical frame bands and a plurality of horizontal frame bands, the vertical frame bands and horizontal frame bands being connected in a crisscross pattern to form a plurality of accommodating holes, the battery row including a plurality of battery sheets, the battery sheets being positioned in the accommodating holes, and the vertical frame bands and horizontal frame bands being removably connected.

[0014] The solar panel of this embodiment has a rigid frame between the front and back panels, and battery arrays are placed in the receiving holes of the rigid frame. The rigid frame has high support strength, which reduces damage to the battery arrays due to bending deformation of the solar panel, protects the battery arrays, improves mechanical strength, eliminates the need to increase the number of layers or add glass fiber material, reduces overall mass, and reduces equipment costs. The rigid frame is composed of multiple detachably connected vertical and horizontal frame strips, which not only has lower manufacturing costs than a one-piece frame structure, but also makes it easier to assemble different shapes, dimensions, and thicknesses, providing greater flexibility in use.

[0015] Additional aspects and advantages of the embodiments of the present application will be set forth in part in the description that follows, and in part will be obvious from the description, or may be learned through practice of the embodiments of the present application. [Brief explanation of the drawings]

[0016] The above and / or additional aspects and advantages of the embodiments of the present application will be apparent and understandable from the following description of the embodiments in conjunction with the accompanying drawings, in which: [Figure 1] 1 is a cross-sectional exploded view of a solar panel provided in an example of the present application. [Figure 2] FIG. 1 is a plan view of a solar panel provided in an embodiment of the present application. [Figure 3] FIG. 3 is an enlarged view of A in FIG. 2. [Figure 4]FIG. 2 is a schematic diagram showing the exploded structure of the solar panel provided in Example 1 of the present application. [Figure 5] FIG. 2 is a schematic diagram showing the exploded structure of the solar panel provided in Example 2 of the present application. [Figure 6] FIG. 2 is a schematic diagram showing the exploded structure of the solar panel provided in Example 3 of the present application. [Figure 7] FIG. 1 is a schematic diagram showing the exploded structure of the solar panel provided in Example 4 of the present application. [Figure 8] FIG. 1 is a schematic diagram showing the exploded structure of the solar panel provided in Example 5 of the present application. [Figure 9] FIG. 1 is a schematic diagram showing the exploded structure of the solar panel provided in Example 6 of the present application. [Figure 10] FIG. 1 is a schematic diagram showing the exploded structure of the solar panel provided in Example 7 of the present application. [Figure 11] FIG. 10 is a schematic diagram showing the exploded structure of the solar panel provided in Example 8 of the present application. [Figure 12] FIG. 10 is a schematic diagram showing the exploded structure of the solar panel provided in Example 9 of the present application. [Figure 13] FIG. 10 is a schematic diagram showing the exploded structure of the solar panel provided in Example 10 of the present application. [Figure 14] FIG. 1 is a schematic diagram showing the exploded structure of a solar panel provided in the present application. [Figure 15] 1 is a schematic diagram showing the structure of a battery layer provided in the present application. [Figure 16] FIG. 2 is a schematic diagram showing the structure of a rigid frame provided in the present application. [Figure 17] FIG. 17 is an enlarged schematic view of region B in FIG. [Figure 18] 1 is a schematic diagram showing the structure of a battery string provided in the present application. [Figure 19] FIG. 1 is a schematic diagram showing an exploded structure of a battery layer provided in the present application. DETAILED DESCRIPTION OF THE INVENTION

[0017] Hereinafter, embodiments of the present application will be further described in conjunction with the accompanying drawings, in which the same or similar reference numerals throughout the drawings indicate the same or similar elements or elements having the same or similar functions.

[0018] Furthermore, the embodiments of the present application described below in connection with the accompanying drawings are exemplary and are used only to describe the embodiments of the present application, and are not understood to limit the present application.

[0019] Fig. 1 shows an exploded cross-sectional view of a solar panel provided in the present application. As shown in Fig. 1, the solar panel includes a rigid frame 11 and a battery sheet 12. The rigid frame 11 has a receiving hole, and the battery sheet 12 is disposed in the receiving hole.

[0020] The battery sheet 12 of the solar panel of the present application is placed in the accommodation hole of the rigid frame 11, and the rigid frame 11 can protect the battery sheet 12 from the sealing cross-section direction, improving impact resistance, bending resistance and mechanical strength, and is lighter than conventional external metal frames, reducing shielding of the edge parts and not obstructing operation of the battery sheet 12.

[0021] FIG. 1 shows an exploded cross-sectional view of a solar panel provided in the present application. As shown in FIG. 1, the solar panel includes a power generation assembly 1100 and a conductor 1200 that electrically connects the power generation assembly 1100. The power generation assembly 1100 includes a rigid frame 11, a battery sheet 12, a back plate 13, an insulating plate 14, and a front plate 15. An accommodation hole is formed in the rigid frame 11, and the battery sheet 12 and back plate 13 are placed in the accommodation hole. The back plate 13 is placed on one side of the battery sheet 12 near the back film 1400, and an adhesive film 1600 is placed between the back plate 13 and the battery sheet 12. The insulating plate 14 is placed on one end of the rigid frame 11 near the back plate 13, and the front plate 15 is placed on one end of the rigid frame 11 near the battery sheet 12. An electric wire 1200 is arranged between the back plate 13 and the insulating plate 14. This solar panel is provided with an insulating plate 14 and has the conductor 1200 disposed between the back plate 13 and the insulating plate 14, thereby providing better protection for the conductor 1200, avoiding the problem of electrical leakage caused by the exposure of the conductor 1200, and improving the safety of the solar panel.

[0022] The front panel 15 can be made of an insulating transparent material with mechanical toughness, such as a PET-PET composite material, thin glass, etc. This configuration can increase the solar energy conversion rate of the power generation assembly 1100 and meet the user's power demands. The back plate 13 can be made of a supporting material with mechanical toughness, such as a glass fiber board, a PET-PET composite material, thin glass, etc. By setting it in this way, the battery sheet 12 can be supported to better protect it.

[0023] A puncture-resistant material with sufficient mechanical strength, such as a glass fiber board or a PET-PET composite material, can be selected for the insulating plate 14. By using this material, it is possible to prevent the conductor 1200 from puncturing the insulating plate 14 after it has broken, thereby avoiding current leakage from the solar panel.

[0024] FIG. 2 shows a plan view of a solar panel provided in the implementation of the present application. As shown in a combination of FIGS. 1 and 2, the solar panel further includes a front film 1300 and a back film 1400. At least two power generating assemblies 1100 are disposed at a distance in a first direction between the front film 1300 and the back film 1400. The distance between two adjacent power generating assemblies 1100 forms a folding region 1700 on the front film 1300 and the back film 1400. A conductive wire 1200 is used to electrically connect the two adjacent power generating assemblies 1100. Folding the solar panel at the folding region 1700 formed between the two adjacent power generating assemblies 1100 facilitates folding and storage of the solar panel, making it easy to carry and transport, and meeting the needs of people traveling outdoors.

[0025] The front film 1300 is made of a transparent and flexible material, and can be made of fluorine-containing materials such as ETFE, PVDF, PVF, ECTFE, etc., which have anti-aging properties and can extend the service life of the solar panel. The back film 1400 is made of a transparent and flexible material, and can be made of fluorine-containing materials such as ETFE, PVDF, PVF, ECTFE, etc., which have anti-aging properties and can extend the service life of the solar panel. The back film 1400 can also be made of an opaque fabric material.

[0026] An adhesive film 1600 is provided between the front film 1300 and the front plate 15 to increase the bonding strength between the front film 1300 and the front plate 15. An adhesive film 1600 is provided between the back film 1400 and the insulating plate 14 to increase the bonding strength between the back film 1400 and the insulating plate 14. 2, the battery sheets 12 are made up of a plurality of battery units arranged in a rectangular shape. The battery units and the battery sheets 12 are electrically connected to each other by conductors 1200, and the series-parallel design between the battery sheets 12 is achieved using the conductors 1200.

[0027] 2 , the solar panel further includes two handle structures 1800 disposed on both ends of the at least two power generation assemblies 1100 in the first direction, which facilitates the user's carrying of the solar panel after folding the solar panel, thereby improving the user experience.

[0028] Furthermore, the handle structure 1800 has a handle groove, and the front film 1300 and the back film 1400 have through-holes at positions corresponding to the handle groove, and the through-holes have shapes that match the shapes of the handle grooves, so that users can directly lift the solar panel through the handle grooves.

[0029] Continuing with reference to FIG. 2 , the rigid frame 11 is surrounded by a plurality of removably joined sides. This allows the rigid frame 11 to be removably connected. As a specific example, the rigid frame 11 includes a first side 111, a second side 112, a third side 113, and a fourth side 114. The first side 111 and the third side 113 are arranged parallel to each other in a first direction, with a gap therebetween. The second side 112 and the fourth side 114 are arranged parallel to each other in a gap therebetween. Both ends of the first side 111 are removably connected to the second side 112 and the fourth side 114, respectively. Both ends of the third side 113 are removably connected to the second side 112 and the fourth side 114, respectively. Preferably, if the rigid frame 11 is square, the first side 111, the second side 112, the third side 113, and the fourth side 114 have the same length, which increases the versatility of the part and enables batch production.

[0030] 2, the rigid frame 11 of the power generation assembly 1100 located at the first direction end is integral with the handle structure 1800. As an example, the handle structure 1800 is integral with one side of the rigid frame 11. Of course, in other embodiments, the handle structure 1800 may be fixedly connected to one side of the rigid frame 11 adjacent to it.

[0031] When the solar panel is repeatedly folded and unfolded at the folding region 1700, the conductive wires 1200 inevitably easily break or crack at the folding region 1700. To solve this problem, FIG. 3 shows an enlarged view of A in FIG. 2. As shown by combining FIG. 2 with FIG. 3, the solar panel further includes an insulating film 1500. The portion of the conductive wires 1200 located in the folding region 1700 is covered with the insulating film 1500, and at least a portion of the insulating film 1500 extends between the adjacent back plate 13 and insulating plate 14. This configuration prevents the problem of electrical leakage due to breakage of the wiring 1200. The insulating film 1500 can be made of a PET film or a fabric coated with an insulating layer. Preferably, both sides of the conductive wire 1200 located in the bending region 1700 are covered with the insulating film 1500. This can better protect both sides of the conductive wire 1200, and can prevent the conductive wire 1200 from breaking through the front film 1300 and the backfill 1400 after breaking, thereby preventing leakage of electricity from the solar panel.

[0032] By using braided copper wire scattered in the bending region 1700, the conductor 1200 reduces the bending force that the conductor 1200 receives in the bending region 1700, thereby extending the service life of the conductor 1200 and avoiding the problem of leakage caused by the conductor 1200 breaking and breaking through the front film 1300 or the back film 1400.

[0033] Example 1: As shown in Figure 4, this embodiment provides a solar panel comprising a power generation module and a rigid frame 24 installed in a frame structure, in which an accommodating hole 241 is provided in the rigid frame 24 and a power generation module is installed in the accommodating hole 241, and the power generation module includes a stacked battery sheet layer 21, a front plate layer 22 and a back plate layer 23, in which the battery sheet layer 21 is arranged between the front plate layer 22 and the back plate layer 23, and the front plate layer 22 and the back plate layer 23 are both installed in a transparent structure.

[0034] Specifically, the solar panel provided in this embodiment has a built-in rigid frame 24 and a power generation module consisting of a battery sheet layer 21, a front panel layer 22, and a back panel layer 23, of which the battery sheet layer 21 is for receiving light and generating electricity, and the front panel layer 22 and the back panel layer 23 serve to protect the battery sheet layer 21 from the front and back, respectively. The battery sheet layer 21 is placed in the accommodating hole 241 of the rigid frame 24, and the rigid frame 24 protects the battery sheet layer 21 from the sealing cross-sectional direction, which can improve the impact resistance, bending resistance, and mechanical strength capabilities. At the same time, it is lighter than conventional external metal frames, can reduce edge shielding, and does not obstruct the operation of the battery sheet layer 21.

[0035] Alternatively, the entire power generating module is placed in the receiving hole 241 , that is, the front plate layer 22 , the battery sheet layer 21 and the back plate layer 23 are all placed in the receiving hole 241 .

[0036] Alternatively, the battery sheet layer 21 includes at least two battery sheets 211, the front plate layer 22 includes a front plate unit 221, the back plate layer 23 includes a back plate unit 231, the rigid frame 24 is provided with one accommodating hole 241, the sub-power generating module includes stacked battery sheets 211, front plate units 221 and back plate units 231, and at least one sub-power generating module is disposed in each accommodating hole 241. In this embodiment, the battery sheet layer 21 includes four battery sheets 211 arranged in a matrix, and an integrated front plate unit 221 and an integrated back plate unit 231 are disposed on both the front and back sides of the four battery sheets 211, respectively. Specifically, when the size of the solar panel is small (generally 0.1 mm 2 In the above case, the rigid frame 24 is designed to have a single window structure, and the sub-power generating modules are arranged in the same receiving hole 241 of the rigid frame 24.

[0037] Preferably, the battery sheet layer 21 includes a plurality of double-sided crystalline silicon chips, and each battery sheet 211 is provided with a double-sided crystalline silicon chip that can receive light from both the front and back sides and generate electricity, thereby improving the amount of electricity generated per unit weight of the battery sheet layer 21.

[0038] Preferably, the rigid frame 24 is made of a high-temperature resistant polymeric or metallic material, such as a polyimide polymer, an aromatic polyamide polymer, or an aluminum alloy, which improves impact resistance, bending resistance, and mechanical strength, while being lighter than conventional external metal frames and not obstructing access to both sides of the battery sheet 211. When installing the solar panel, the battery sheet 211 can be stacked after being aligned with the receiving holes 241, eliminating the need for an entire frame and simplifying production.

[0039] Preferably, the thickness of the rigid frame 24 is equal to or greater than the thickness of the battery sheet layer 21, to improve the reliability of protection.

[0040] More preferably, the thickness of the rigid frame 24 is set to be equal to or greater than the thickness of the power generation module, thereby further improving the reliability of protection.

[0041] Preferably, the rigid frame 24 has a thickness of 0.5 to 3 mm and a width of 5 to 30 mm.

[0042] Preferably, the front panel layer 22 and the back panel layer 23 are made of a transparent polymer material such as PC (polycarbonate), PET (polyester resin) or a PET thin film material including a coating layer, or ultra-thin glass, and the front panel layer 22 and the back panel layer 23 may also be made of a transparent and flexible material with excellent mechanical strength such as EPE (expanded polyethylene), FPF (composite phenolic foam), or KPK (double-sided fluorine-containing back panel).

[0043] Preferably, the thickness of the front plate layer 22 and the back plate layer 23 is 0.2 to 1 mm.

[0044] Optionally, the solar panel further includes a front film layer 25 and a back film layer 26 attached to the front and back surfaces of the power generation module, respectively. Specifically, the front film layer 25 is disposed on one side of the front plate layer 22 away from the battery sheet layer 21, and the back film layer 26 is disposed on one side of the back plate layer 23 away from the battery sheet layer 21. Both the front film layer 25 and the back film layer 26 are transparent and are used to protect the power generation module in the inner layer.

[0045] Preferably, the front film layer 25 and the back film layer 26 are made of a fluorine-containing thin film material such as ETFE (ethylene-tetrafluoroethylene copolymer) or ECTFE (ethylene-chlorotrifluoroethylene copolymer).

[0046] Alternatively, the front film layer 25 and the back film layer 26 may be made of the same material. More preferably, the back film layer 26 is made of PET (polyester resin) which has a certain mechanical strength, and can better bond the sub-power generating modules together within the rigid frame 24, providing support and better edge protection.

[0047] Alternatively, the front plate layer 22 and the back plate layer 23 are bonded to the battery sheet layer 21 using a first sealing adhesive film 27, and the front film layer 25 and the back film layer 26 are bonded to the power generation module using a second sealing adhesive film 28.

[0048] Furthermore, the corresponding second sealing adhesive film 28 in the front film layer 25 and the back film layer 26 is physically embossed under high temperature, forming an uneven surface on the front film layer 25 and the back film layer 26, which on the one hand forms a light trapping structure, and on the other hand, the uneven surface can protect the inner layer structure and prevent the structure inside the solar panel from being scratched, and further, it can help limit the position of the battery sheet layer 21 and limit the position of the battery sheet 211 in the accommodating hole 241 of the rigid frame 24.

[0049] Preferably, the first sealing adhesive film 27 and the second sealing adhesive film 28 are made of EVA plastic, POE plastic, PVB (polyvinyl butyral ester), TPO (thermoplastic polyolefin) or BPO (benzoyl peroxide), and both the first sealing adhesive film 27 and the second sealing adhesive film 28 have a colorless and transparent structure.

[0050] Example 2: 5, the solar panel provided in this embodiment differs from Example 1 in that the power generating module includes at least two sub-power generating modules, the front plate layer 22 includes at least two front plate units 221, the back plate layer 23 includes at least two back plate units 231, the sub-power generating modules are arranged in a horizontally extending strip, each sub-power generating module is provided with a plurality of battery sheets 211, the front plate units 221 and back plate units 231 are arranged in a strip-like configuration and are arranged side by side between two adjacent sub-power generating modules, and the number of accommodation holes 241 arranged in the parallel strip-like configuration is equal to the number of sub-power generating modules. In this embodiment, the number of sub-power generating modules and accommodation holes 241 is three.

[0051] Specifically, by disassembling the power generation module into multiple sub-power generation modules and arranging them one-to-one in the multiple accommodating holes 241 of the rigid frame 24, the single front panel unit 221 and back panel unit 231 can be reduced in size, thereby solving the problem of easily bending and deforming large-sized front panel units 221 and back panel units 231.The front panel unit 221 and back panel unit 231 can combine more materials such as ultra-thin glass, and small-sized ultra-thin glass has high flatness, and the rigidity of the glass itself improves the impact resistance of the front and back surfaces of the battery sheet, thereby improving the bending resistance of the product.

[0052] In another embodiment, two or more self-power generation modules can be placed in the receiving hole 241 of the rigid frame 24.

[0053] Optionally, the first sealing adhesive film 27 includes a plurality of sub-sealing adhesive films 271 arranged in a long strip-like structure that fits the front plate unit 221 and the back plate unit 231. The battery sheet 211 and the front plate unit 221, and the battery sheet 211 and the back plate unit 231 are both bonded via the corresponding sub-sealing adhesive films 271.

[0054] Example 3: As shown in Figure 6, the solar panel provided in this embodiment differs from Example 2 in that the sub-power generation modules are arranged in a strip-like structure extending vertically, and the storage holes 241 are arranged alongside the strip-like structure extending vertically.

[0055] Example 4: 7, the solar panel provided in this embodiment is different from Example 2 in that it has at least four sub-power generating modules, the number of battery sheets 211, the number of front panel units 221, and the number of back panel units 231 are all equal to the number of self-power generating modules, the sub-power generating modules are distributed in a matrix, and the accommodating holes 241 are installed corresponding to the matrix distribution. In this embodiment, 15 sub-power generating modules are provided.

[0056] Specifically, each sub-power generation module includes one battery sheet 211, a front panel unit 221, and a back panel unit 231, and the dimensions of the single front panel unit 221 and back panel unit 231 can be further reduced.

[0057] Optionally, the first sealing adhesive film 27 includes a plurality of sub-sealing adhesive films 271 distributed in a matrix, and the battery sheet 211 and the front plate unit 221 and the battery sheet 211 and the back plate unit 231 are both bonded via corresponding sub-sealing adhesive films 271.

[0058] Example 5: As shown in Figure 8, the solar panel provided in this embodiment differs from Example 1 in that the rigid frame 24 is arranged between a front plate layer 22 and a back plate layer 23, which are installed in a full-plate structure on both the front and back sides of the rigid frame 24, i.e., only the battery sheet layer 21 is arranged in the accommodating hole 241, and the front plate layer 22 and the back plate layer 23 are not arranged in the accommodating hole 241, thereby similarly achieving a protective effect for the battery sheet layer 21.

[0059] Example 6: As shown in FIG. 9, this embodiment provides a solar panel including a stacked battery sheet layer 31, two protective layers 33 provided on both sides of the battery sheet layer 31, and a glass fiber reinforced layer 32 provided between the battery sheet layer 31 and the protective layer 33, in which the glass fiber reinforced layer 32, which is made of a mixture of glass fiber and an impregnated adhesive, and the protective layer 33 are both installed in a transparent structure.

[0060] Specifically, the solar panel provided in this embodiment has a glass fiber reinforced layer 32 between the protective layer 33 and the battery sheet layer 31. The battery sheet layer 31 receives light and generates electricity, while the protective layer 33 protects the inner layer structure. The glass fiber reinforced layer 32 becomes transparent after high-temperature hot pressing. The transparent protective layer 33 also ensures light transmission without affecting the operation of the battery sheet layer 31. The glass fiber reinforced layer 32 is manufactured by mixing glass fiber and an impregnated adhesive, which improves the impact resistance of the battery sheet layer 31 and the bending resistance of the solar panel. Meanwhile, the density of the glass fiber and the impregnated adhesive that make up the glass fiber reinforced layer 32 is low, which minimizes the impact on the weight of the solar panel and ensures the portability of the solar panel. Furthermore, the glass fiber reinforced layer 32 has a certain adhesiveness, which allows the battery sheet layer 31 to be initially fixed, preventing the battery sheet layer 31 from moving during the material stacking process.

[0061] Alternatively, the number of glass fiber reinforced layers 32 may be two, with two glass fiber reinforced layers 32 provided on each side of the battery sheet layer 31, so that the two glass fiber reinforced layers 32 reinforce the impact resistance of the battery sheet layer 31 from both sides, thereby further improving the impact resistance strength.

[0062] Optionally, the glass fiber reinforcement layer 32 is an integral mesh structure.

[0063] Preferably, the impregnating adhesive comprises at least one of EVA (ethylene vinyl acetate copolymer) plastic, POE (polymer of ethylene and butene or polymer of ethylene and octene) plastic, and polyester resin.

[0064] Preferably, the battery sheet layer 31 includes a plurality of double-sided crystalline silicon chips, which can receive light from both the front and back sides and generate electricity, thereby improving the amount of electricity generated per unit weight of the battery sheet layer 31.

[0065] Optionally, the battery sheet layer 31 includes a plurality of battery sheets 311 each including a double-sided crystalline silicon chip. The solar panel further includes a rigid frame 35 serving as a frame structure. The rigid frame 35 has a plurality of receiving holes 351 arranged in a matrix pattern to receive the battery sheets 311. The rigid frame 35 is formed using a high-temperature resistant polymeric or metallic material, such as a polyimide polymer, an aromatic polyamide polymer, or an aluminum alloy. The rigid frame 35 protects the battery sheet layer 311 from the cross-sectional sealing direction, improving impact resistance, bending resistance, and mechanical strength. At the same time, it is lighter than a conventional external metal frame, reduces edge obstruction, and does not obstruct access to both sides of the battery sheets 311. When installing the solar panel, the battery sheets 311 can be stacked after being aligned with the receiving holes 351, eliminating the need for an entire frame and simplifying production.

[0066] Preferably, the thickness of the rigid frame 35 is equal to or greater than the thickness of the battery sheet layer 311 .

[0067] Preferably, the thickness of the hard frame 35 is 0.5 to 3 mm, and the width is 5 to 30 mm.

[0068] Optionally, the glass fiber reinforcement layer 32 and the protective layer 33 are bonded together using a sealing adhesive film 36 .

[0069] Furthermore, the protective layer 33 and the corresponding sealing adhesive film 36 are physically embossed under high temperature to form a textured surface on the protective layer 33, which on the one hand forms a light trapping structure, and on the other hand, the textured surface can protect the inner layer structure and prevent the structure inside the solar panel from being scratched, and further, it can help limit the position of the battery sheet layer 31 and limit the position of the battery sheet 311 in the receiving hole 351 of the rigid frame 35.

[0070] Preferably, the protective layer 33 is made of a fluorine-containing thin film material such as ETFE (ethylene-tetrafluoroethylene copolymer) or ECTFE (ethylene-chlorotrifluoroethylene copolymer).

[0071] Preferably, the sealing adhesive film 36 is made of EVA plastic, POE plastic, PVB (polyvinyl butyral ester), TPO (thermoplastic polyolefin) or BPO (benzoyl peroxide), and the sealing adhesive film 36 has a colorless and transparent structure.

[0072] Example 7: 10, the solar panel provided in this embodiment differs from Example 1 in that the glass fiber reinforced layer 32 includes at least two glass fiber reinforced units 321 arranged side by side, and the glass fiber reinforced units 321 are arranged in a band-like network structure extending laterally, thereby reducing the difficulty of forming the glass fiber reinforced layer 32. In this embodiment, the number of glass fiber reinforced units 321 is three.

[0073] Example 8: 11, the solar panel provided in this embodiment differs from Example 1 in that the glass fiber reinforced layer 32 includes at least two glass fiber reinforced units 321 arranged side by side, and the glass fiber reinforced units 321 are arranged in a strip-like network structure extending in the vertical direction, thereby reducing the difficulty in forming the glass fiber reinforced layer 32. In this embodiment, the number of glass fiber reinforced units 321 is three.

[0074] Example 9: As shown in FIG. 12, the solar panel provided in this embodiment further includes two carrier layers 34 made of transparent polymer material, and the two carrier layers 34 are respectively disposed between two glass fiber reinforced layers 32 and a protective layer 33, and the carrier layers 34, the glass fiber reinforced layers 32, and the protective layer 33 are all adhered to each other by a sealing adhesive film 36. This differs from Example 1 in that the placement of the carrier layers 34 can further reinforce the mechanical strength of the solar panel.

[0075] Preferably, the carrier layer 34 is made of PC (polycarbonate), PET, or a PET thin film material including a coating layer, or the carrier layer 34 may be made of a transparent and flexible material with excellent mechanical strength, such as EPE (expandable polyethylene), FPF (composite phenolic foam), or KPK (double-sided fluorine-containing backing plate).

[0076] Preferably, the thickness of the carrier layer 34 is 0.2 to 1 mm.

[0077] Example 10: As shown in Figure 13, the solar panel provided in this example differs from Example 2 in that the solar panel has only one glass fiber reinforcement layer 32 and one carrier layer 34, and the glass fiber reinforcement layer 32 and the carrier layer 34 are provided on both the front and back sides of the battery sheet layer 31, the carrier layer 34 is provided between the battery sheet layer 31 and the protective layer 33, and the carrier layer 34 is adhered to the rigid frame 35 and the protective layer 33 by a sealing adhesive film 36.

[0078] As shown in Figures 14 to 19, this embodiment provides a solar panel including a battery layer and a front plate 4300 and a back plate 4400 respectively stacked on both the front and back sides of the battery layer, and the battery layer includes a rigid frame 4100 including a plurality of vertical frame bands 4110 and a plurality of horizontal frame bands 4120 connected in a crisscross pattern to form a plurality of storage holes 4130, and a battery row 4200 including a plurality of battery sheets 4201 arranged in the storage holes 4130, and the vertical frame bands 4110 and the horizontal frame bands 4120 are removably connected.

[0079] Specifically, the solar panel provided in this embodiment has a rigid frame 4100 disposed between a front panel 4300 and a back panel 4400, with battery strings 4200 disposed in receiving holes 4130 in the frame 4100. The high support strength of the frame 4100 reduces damage to the battery strings 4200 caused by bending deformation of the solar panel, protecting the battery strings 4200 and improving mechanical strength, eliminating the need to increase the number of layers or add glass fiber material, reducing overall mass and equipment costs. The frame 4100 is composed of a plurality of detachably connected vertical frame strips 4110 and horizontal frame strips 4120, which not only reduces manufacturing costs compared to a one-piece frame structure but also allows for easier assembly and combination of different shapes, dimensions, and thicknesses, providing greater flexibility in use.

[0080] Illustratively, the thickness of the vertical frame strips 4110 and the horizontal frame strips 4120 is greater than or equal to the thickness of the battery string 4200 to improve the surface strength of the solar panel. In this embodiment, the thickness of the vertical frame strips 4110 and the horizontal frame strips 4120 is greater than the thickness of the battery string 4200 so that the battery string 4200 is not subjected to normal force.

[0081] 15 and 18, the battery sheets 4201 are distributed in a matrix, with horizontal gaps 4204 between the battery sheets 4201 distributed in vertically adjacent accommodating holes 4130, and vertical gaps 4203 between the battery sheets 4201 distributed in horizontally adjacent accommodating holes 4130. In this embodiment, three vertically arranged battery sheets 4201 are placed in each accommodating hole 4130, and the three battery sheets 4201 in the same accommodating hole 4130 form one sub-battery row. There are ten accommodating holes 4130, and the ten accommodating holes 4130 are evenly distributed across two layers, top and bottom. That is, there is one horizontal gap 4204 and eight vertical gaps 4203.

[0082] For example, as shown in FIGS. 15 and 18, the battery row 4200 further includes a welding tape 4202 that electrically connects adjacent battery sheets 4201 in the vertical direction, and the welding tape 4202 penetrates the horizontal gap 4204.

[0083] For example, the vertical frame band 4110 includes several vertical inner frame bands 4111 and two vertical side frame bands 4112 arranged side by side in the horizontal direction, the vertical inner frame band 4111 is located in the vertical gap 4203, the two vertical side frame bands 4112 are arranged side by side on both the left and right sides of the vertical inner frame band 4111, and the vertical side frame bands 4112 are located on both the left and right sides of the battery string 4200, enveloping the left and right sides of the battery string 4200 and protecting the left and right sides of the solar panel.

[0084] For example, the horizontal frame band 4120 includes several horizontal inner frame bands 4121 arranged vertically and at least two horizontal side frame bands 4122, where the horizontal inner frame band 4121 is located in the horizontal gap 4204, and the two horizontal side frame bands 4122 are arranged side by side on both the upper and lower sides of the horizontal inner frame band 4121, and the horizontal side frame bands 4122 are located on both the upper and lower sides of the battery string 4200, enveloping the upper and lower sides of the battery string 4200 and protecting the upper and lower sides of the solar panel.

[0085] In this embodiment, as shown in Figures 16 and 19, the number of vertical inner frame bands is set to eight, corresponding to the number of vertical gaps, and one vertical inner frame band is provided in each vertical gap.

[0086] 19 , two horizontal inner frame bands 4121 are provided in the horizontal gap 4204, and the two horizontal inner frame bands 4121 are stacked with a gap between them, and a welding tape 4202 is provided to penetrate the gap between the two horizontal inner frame bands 4121 in the vertical direction. By passing through the gap between the two horizontal inner frame bands 4121, the welding tape 4202 can reduce edge damage and welding dislocation of the welding tape 4202 caused by the welding tape 4202 creeping up and pulling on the battery sheet 4201 as it passes through the horizontal inner frame bands 4121. At the same time, the horizontal inner frame band 4121 can shield the merging conductors connected by the welding tape 4202, giving the product a neat appearance.

[0087] 19 , two horizontal frame strips 4122 are provided on each of the upper and lower sides of a battery row 4200, and the two horizontal frame strips 4122 on the same side are stacked and spaced apart, with a welding tape 4202 vertically penetrating the gap between the two horizontal frame strips 4122. The welding tape 4202 passes through the gap between the two horizontal frame strips 4122, thereby reducing edge damage and welding detachment caused by the welding tape 4202 creeping up and pulling on the battery sheet 4201 as it passes through the inner horizontal frame strip 4122. At the same time, the horizontal frame strip 4122 can shield the merging conductors connected by the welding tape 4202, giving the product a neat appearance.

[0088] In other embodiments of the present application, a single layer of horizontal inner frame band 4121 may be arranged in the horizontal gap 4204, and only a single layer of horizontal edge frame bands 4122 may also be installed on both the upper and lower sides of the battery row 4200, and the thickness of the horizontal inner frame band 4121 and the horizontal edge frame band 4122 is smaller than the thickness of the vertical inner frame band 4111 and the vertical edge frame band 4112 to facilitate the lifting of the welding tape 4202 and provide an escape space for the merging conductors.

[0089] For example, the horizontal inner frame bands 4121 and the horizontal side frame bands 4122 are both formed as long thin plate structures having a thickness thinner than the vertical inner frame bands 4111 and the vertical side frame bands 4112 .

[0090] Illustratively, the horizontal inner frame band 4121 has the same thickness as the horizontal side frame band 4122, and the vertical inner frame band 4111 and the vertical side frame band 4112 have the same thickness.

[0091] Illustratively, the thicknesses of the horizontal inner frame band 4121, the horizontal side frame band 4122, the vertical inner frame band 4111, and the vertical side frame band 4112 are not necessarily all the same.

[0092] In this embodiment, the width of the vertical gap 4203 is 25 to 35 mm, the width of the horizontal gap 4204 is 35 to 45 mm, the vertical side frame band 4112 is 3 mm thick and 30 mm wide, the vertical inner frame band 4111 is 3 mm thick and 25 to 35 mm wide, the horizontal side frame band 4122 located below the welding tape 4202 is 1.2 mm thick, the horizontal side frame band 4122 located above the welding tape 4202 is 1.6 mm thick, and the widths of all the horizontal side frame bands 4122 are 30 mm, the horizontal inner frame band 4121 located below the welding tape 4202 is 1.2 mm thick, the horizontal inner frame band 4121 located above the welding tape 4202 is 1.6 mm thick, and the widths of all the horizontal inner frame bands 4121 are 35 to 45 mm.

[0093] Illustratively, the sub-battery rows are spaced apart from the vertical frame bands 4110 and horizontal frame bands 4120 to reduce the risk of defects that could result in chipping or stacking failure of the battery sheet 4201 due to uneven local pressure caused by height differences during the stacking and crimping process.

[0094] 17, the vertical frame strip 4110 is provided with a first mortise portion 4141 and the horizontal frame strip 4120 is provided with a second mortise portion 4142, and / or the vertical frame strip 4110 is provided with a second mortise portion 4142 and the horizontal frame strip 4120 is provided with a first mortise portion 4141, and the first mortise portion 4141 and the second mortise portion 4142 are mortise-connected, which makes installation easy and ensures reliable connection. In other embodiments, other structures such as snaps can be used to detachably connect the vertical frame strip 4110 and the horizontal frame strip 4120.

[0095] In this embodiment, as shown in FIG. 17, the first mortise portion 4141 is formed as an isosceles trapezoidal convex portion, with the long base of the trapezoidal convex portion facing outward, and the second mortise portion 4142 is correspondingly installed as a matching isosceles trapezoidal groove, with the long base of the trapezoidal groove facing inward.

[0096] For example, the outer peripheries of the vertical frame bands 4112 and the horizontal frame bands 4122 are chamfered to reduce the force received by the edges and corners in the event of an external impact.

[0097] For example, mounting holes are provided in the vertical frame strips 4110 and / or the horizontal frame strips 4120, and the front panel 4300, the back panel 4400, and / or external components are connected via fasteners passing through the mounting holes. On the one hand, this can replace the back adhesive structure of the flexible substrate, form an air channel below the solar panel, improve the heat dissipation performance of the solar panel, and thereby increase power generation efficiency. On the other hand, it facilitates the connection of external components such as handles and brackets, and improves the compactness of the structure.

[0098] Illustratively, as shown in FIG. 14, the solar panel further includes an adhesive film 4500, and the battery layer and the front plate 4300 and / or the battery layer and the back plate 4400 are adhesively fixed by the adhesive film 4500.

[0099] Illustratively, the rigid frame 4100 is made of a fiberboard or a metal plate with an insulating surface, which has high mechanical strength.

[0100] Illustratively, the material of the front plate 4300 is selected to be a transparent insulating material with high mechanical toughness, such as PET (polyethylene terephthalate) and PET composite materials.

[0101] Illustratively, the material of the back plate 4400 is selected from supporting materials with higher mechanical toughness, such as glass fiber board, PET, and PET composite materials.

[0102] Illustratively, the material of the adhesive film 4500 is selected from common photovoltaic materials such as EVA (ethylene-vinyl acetate copolymer), POE (polyvinyl octene copolymer elastomer), PO (propylene oxide), and PVB (polyvinyl butyral ester).

[0103] Although the embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and are not limiting of the present application, and that those skilled in the art can change, modify, substitute, and vary the above embodiments within the scope of the present application, and the scope of the present application is defined by the claims and their equivalents. [Explanation of symbols]

[0104] 1100 Power Generation Assembly 1200 conductor 1300 Front Film 1400 back film 1500 insulating film 1600 adhesive film 1700 Bending area 1800 Handle structure 11 Rigid Frame 111 Side 1 112 Side 2 113 Third Side 114 Side 4 12 Battery sheet 13 Back plate 14 Insulating plate 15 Front panel. 21 Battery Sheet Layer 211 Battery Sheet 22 Front plate layer 221 Front panel unit 23 Backboard layer 231 Backboard Unit 24 Hard Frame 241 Receiving hole 25 Front film layer 26 Back film layer 27 First sealing adhesive film 271 Sub-sealing adhesive film 28 Second sealing adhesive film. 31 Battery sheet layer 311 Battery Sheet 32 Glass fiber reinforcement layer 321 Glass Fiber Reinforcement Unit 33 Protective layer 34 Carrier Layer 35 Hard Frame 351 Receiving hole 36 Sealing adhesive film 4100 Hard Frame 4110 Vertical frame strip 4111 Vertical inner frame band 4112 Vertical frame strip 4120 Horizontal frame band 4121 Horizontal inner frame band 4122 Horizontal border band 4130 Receiving hole 4141 First mortise 4142 Second mortise 4200 battery string 4201 Battery Sheet 4202 Welding tape 4203 Vertical gap 4204 Horizontal gap 4300 Front panel 4400 Backboard 4500 adhesive film.

Claims

1. A solar panel comprising a power generating assembly (1100) and a conductor (1200), the power generating assembly (1100) comprising: a rigid frame (11) provided with a receiving hole; a battery sheet (12) disposed in the receiving hole; a back plate (13) disposed in the receiving hole, positioned on the battery sheet (12), and having an adhesive film (1600) between the back plate (13) and the battery sheet (12); an insulating plate (14) that covers one end surface of the rigid frame (11) that is close to the back plate (13) and between which the conductor (1200) is installed; A solar panel characterized by:

2. The solar panel of claim 1, further comprising a front film (1300) and a back film (1400), wherein at least two of the power generation assemblies (1100) are arranged at a distance in a first direction between the front film (1300) and the back film (1400), the distance between two adjacent power generation assemblies (1100) forms a folding region (1700) in the front film (1300) and the back film (1400), and the conductive wire (1200) is used to electrically connect two adjacent power generation assemblies (1100).

3. The solar panel of claim 2, further comprising an insulating film (1500), wherein the portion of the conductor (1200) located in the bending region (1700) is covered with the insulating film (1500), and at least a portion of the insulating film (1500) extends between the adjacent back plate (13) and insulating plate (14).

4. The solar panel according to claim 3, wherein both sides of the portion of the conductor (1200) located in the bent region (1700) are covered with the insulating film (1500).

5. 3. The solar panel according to claim 2, wherein the rigid frame (11) is surrounded by a plurality of removably joined sides.

6. The solar panel of claim 5, further comprising two handle structures (1800) disposed on both ends of the at least two power generation assemblies (1100) in the first direction.

7. The handle structure (1800) and the adjacent rigid frame (11) are fixedly connected, or 7. The solar panel according to claim 6, wherein the handle structure (1800) and one side of the rigid frame (11) adjacent thereto are of an integral structure.

8. A solar panel as described in claim 7, characterized in that a handle groove is provided in the handle structure (1800), and the front film (1300) and the back film (1400) have through grooves at positions corresponding to the handle groove, each of which has a shape that matches the shape of the handle groove.

9. said front film (1300) being a transparent and flexible material; and / or 3. The solar panel of claim 2, wherein the back film (1400) is a transparent and flexible material.

10. The power generation assembly (1100) further includes a front plate (15) covering one end surface of the rigid frame (11) adjacent to the battery sheet (12); An adhesive film (1600) is provided between the front panel (15) and the rigid frame (11); The solar panel according to any one of claims 1 to 9, characterized in that an adhesive film (1600) is provided between the insulating plate (14) and the rigid frame (11).

11. The solar panel is a rigid frame (24) provided with a receiving hole (241); A battery sheet (21) placed in the receiving hole (241); a front plate layer (22) located on one side of the battery sheet layer (21); 2. The solar panel according to claim 1, further comprising a back plate layer (23) located on the other side of the battery sheet layer (21).

12. 12. The solar panel according to claim 11, wherein the rigid frame (24) is located between the front plate layer (22) and the back plate layer (23).

13. The solar panel of claim 12, characterized in that the battery sheet layer (21) includes at least two battery sheets (211), the front plate layer (22) includes at least two front plate units (221), the back plate layer (23) includes at least two back plate units (231), at least two of the accommodating holes (241) are correspondingly installed in the rigid frame (24), and each of the accommodating holes (241) is correspondingly provided with the battery sheet (211), the front plate unit (221) and the back plate unit (231).

14. The solar panel of claim 13, characterized in that the storage holes (241) are arranged as a strip-like structure extending vertically or horizontally, and two adjacent storage holes (241) are arranged side by side.

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