Solar folding assembly

Abstract

The utility model provides a solar folding assembly which comprises a plurality of solar power generation units arranged side by side, and the adjacent solar power generation units are connected in a foldable mode. The solar power generation unit comprises a frame, a solar cell panel and a folding support, the solar cell panel is fixed to the front side of the frame, the folding support is rotationally arranged on the rear side of the frame, and a cavity for containing the folding support is formed in the rear side of the frame. The folding support is arranged on the rear side of the frame, the solar power generation units can be obliquely supported outdoors through the folding support, the solar cell panels can directly face the sun, the power generation efficiency is higher, the folding support is stored in the cavity in the rear side of the frame after being folded, folding of the solar power generation units is not affected, and the solar power generation units are convenient to use. The solar power generation units are convenient to carry after being folded.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic application, and in particular relates to a solar folding component. Background Art

[0002] With the rapid development of today's society, the introduction of artificial intelligence, electronic information and other products, in order to provide electronic products with endurance, people like to use mobile power banks to charge at any time, but the energy of mobile power banks is always limited, and they cannot provide continuous power when going out or camping. In addition, the accelerated global fossil energy consumption, the continuous deterioration of the ecological environment, especially the increasingly severe global climate change caused by greenhouse gas emissions, the sustainable development of human society has been seriously threatened. Countries around the world have formulated their own energy development strategies to cope with the limited resources of conventional fossil energy and the environmental problems caused by its development and utilization. Therefore, people tend to use solar cell products to supplement electricity, which not only makes better use of renewable new energy, but also can quickly reduce the consumption of fossil energy.

[0003] With the development of new energy technologies, solar panels are increasingly used in electrical equipment. However, existing solar panels are inconvenient to store and carry, and are difficult to support when used outdoors, making it difficult to point the solar panels toward the sun. Utility Model Content

[0004] The technical purpose of the utility model is to provide a foldable solar energy component, aiming to solve the problem that the existing solar energy components are inconvenient to store and carry.

[0005] In order to solve the above technical problems, the utility model is implemented as follows: a solar folding assembly comprises: a plurality of solar power generation units arranged side by side, wherein the adjacent solar power generation units can be foldably connected;

[0006] The solar power generation unit comprises a frame, a solar cell panel and a folding bracket, wherein the solar cell panel is fixed on the front side of the frame, the folding bracket is rotatably arranged on the rear side of the frame, and the rear side of the frame has a cavity for accommodating the folding bracket.

[0007] Furthermore, a junction box is provided on the rear side of the solar cell panel, the junction boxes of adjacent solar cell panels are connected by wires, and a wire threading hole is provided on the frame, and the wire is passed through the wire threading hole.

[0008] Furthermore, a handle is provided on the upper side of the frame of at least one of the solar power generation units.

[0009] Furthermore, the frame includes a front side panel, a rear side panel and a surrounding panel, the front side panel and the rear side panel are respectively fixed on both sides of the surrounding panel, and an intermediate vertical panel is also provided on the surrounding panel between the front side panel and the rear side panel, a solar panel fixing groove is formed between the intermediate vertical panel and the front side panel, the side edge of the solar cell panel is fixed in the solar panel fixing groove, and the space between the rear side panel and the intermediate vertical panel forms the cavity on the rear side of the solar cell panel.

[0010] Furthermore, an intermediate horizontal plate is connected between the intermediate vertical plate and the rear side plate, and the intermediate horizontal plate is spaced apart from the enclosure plate.

[0011] Furthermore, a plurality of solar panel brackets are provided on the inner side of the frame, and the solar panel brackets are arranged between the rear side panels and the solar cell panels.

[0012] Furthermore, the solar panel bracket includes a bracket body and an elastic block, the rear side of the bracket body is provided with a groove, the elastic block is fixed in the groove, and the front side of the bracket body is provided with a plurality of support protrusions arranged at intervals.

[0013] Furthermore, the folding bracket is U-shaped, a bracket fixing seat is fixed on the inner side of the rear portion of the frame, and the upper end of the folding bracket is rotatably connected to the bracket fixing seat.

[0014] Furthermore, a buffer pad is fixed to the rear side of the solar cell panel, the buffer pad is arranged opposite to the folding bracket, and the folding bracket contacts the buffer pad after being folded.

[0015] Furthermore, the solar cell panel includes a back film, a battery cell and a protective film which are arranged in sequence, an EVA layer, a PET layer and a prepreg layer are arranged in sequence between the back film and the battery cell, and a prepreg layer, a PET layer and an EVA layer are arranged in sequence between the battery cell and the protective film, and the material of the protective film is ETFE film.

[0016] Compared with the prior art, the solar folding assembly in the utility model has the following beneficial effects:

[0017] The utility model provides a folding bracket at the rear side of the frame, and the folding bracket can be used to tilt and support each solar power generation unit outdoors, so that the solar cell panel can face the sun, and the power generation efficiency is higher. The folding bracket can be stored in the cavity at the rear side of the frame after being folded, without affecting the folding of the solar power generation unit. The multiple solar power generation units can be folded for easy carrying.

[0018] Compared with conventional solar panels, this high-power ultra-light folding panel adopts an integrated hot pressing process of back film + EVA + PET + prepreg + battery cell + prepreg + PET + EVA + ETFE to form a high-efficiency, high-power and ultra-light folding component, making the component more solid and the battery cell not easy to move and damage, improving the defect of the original solar panel battery cell being unstable.

[0019] The use of ETFE high-transmittance transparent protective film and prepreg layer improves the transmittance of flexible components, thereby improving the power generation efficiency of solar panels and solving the defect of low power conversion efficiency of original solar panels. High-strength ETFE plus epoxy resin substrate is used to protect solar cells. Through special lamination process, glass-free packaging technology is realized to replace rigid and bulky glass. The weight is reduced by 40% compared with aluminum frame components, and the solar panel is more solid, not easy to be scratched and damaged, light in size, and easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the solar folding assembly in the embodiment of the utility model;

[0021] Figure 2 It is a rear view of the solar folding assembly in the embodiment of the utility model;

[0022] Figure 3 It is a rear perspective view of the solar folding assembly in the embodiment of the utility model;

[0023] Figure 4 It is a cross-sectional schematic diagram of a frame in an embodiment of the utility model;

[0024] Figure 5 yes Figure 3 A partial enlarged view of the middle A;

[0025] Figure 6 yes Figure 3 A partial enlarged view of point B in the middle;

[0026] Figure 7 is a three-dimensional diagram of a battery panel bracket in an embodiment of the utility model;

[0027] Figure 8 is a cross-sectional view of a solar panel support in an embodiment of the utility model;

[0028] Fig. 9 It is a cross-sectional view of the solar panel bracket installed in the frame in the embodiment of the utility model;

[0029] Fig.10 It is a schematic diagram of the folded solar folding assembly in the embodiment of the utility model.

[0030] Fig.11It is a structural schematic diagram of the folding bracket and the bracket fixing seat in the embodiment of the utility model;

[0031] Fig.12 It is a schematic diagram of the layered structure of the solar cell panel in the embodiment of the utility model.

[0032] In the accompanying drawings, each reference numeral represents:

[0033] 1. Solar panel 2. Frame 3. Folding bracket 4. Handle 5. Corner protector 6. Junction box 7. Wire 8. Buffer pad 9. Solar panel bracket 10. Threading hole 11. Hinge 12. Bracket fixing seat 13. Back film 14. Solar cell 15. Protective film 16. EVA layer 17. PET layer 18. Prepreg layer 201. Front side plate 202. Rear side plate 203. Enclosure 204. Middle vertical plate 205. Middle horizontal plate 206. Solar panel fixing groove 901. Bracket body 902. Elastic block 903. Support protrusion. DETAILED DESCRIPTION

[0034] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] Example:

[0038] See also Figures 1 to 3 In this embodiment, the solar folding assembly includes: a plurality of solar power generation units arranged side by side, and adjacent solar power generation units can be folded and connected; the solar power generation unit in this embodiment includes a solar cell panel 1, a frame 2 and a folding bracket 3, the solar cell panel 1 is fixed on the front side of the frame 2, the folding bracket 3 is rotatably arranged on the rear side of the frame 2, a junction box 6 is arranged on the rear side of the solar cell panel 1, and the junction boxes 6 of adjacent solar cell panels 1 are connected by wires 7.

[0039] In this embodiment, adjacent frames 2 are connected by hinges 11, so that the solar power generation units can be folded together. The four corners of the frame 2 are respectively provided with corner guards 5 to protect the frame 2 and prevent the solar cell panel 1 from being damaged by collision.

[0040] The folding bracket 3 in this embodiment is U-shaped, and the support is more stable. A buffer pad 8 is fixed to the rear side of the solar panel 1, and the buffer pad 8 is arranged opposite to the folding bracket 3. After the folding bracket 3 is folded, it contacts the buffer pad 8 to prevent the folding bracket 3 from causing damage to the solar panel 1.

[0041] Handles 4 are provided on the upper sides of the frames 2 of the two middle solar power generation units. After the adjacent frames 2 are folded, the solar folding assembly can be carried by the handles 4 for easy use. It should be noted that in this embodiment, handles 4 can also be provided on the upper sides of all frames 2.

[0042] See also Figure 4 The frame 2 in this embodiment includes a front side plate 201, a rear side plate 202 and a surrounding plate 203. The front side plate 201 and the rear side plate 202 are respectively fixed on both sides of the surrounding plate 203. An intermediate vertical plate 204 is also provided on the surrounding plate 203 between the front side plate 201 and the rear side plate 202. A solar panel fixing groove 206 is formed between the intermediate vertical plate 204 and the front side plate 201, and the side edge of the solar cell panel 1 is fixed in the solar panel fixing groove 206.

[0043] A middle horizontal plate 205 is connected between the middle vertical plate 204 and the rear side plate 202 . The middle horizontal plate 205 is spaced apart from the enclosure plate 203 , thereby increasing the strength of the frame 2 .

[0044] See also Figure 5 A threading hole 10 is opened on the enclosure 203 of the frame 2, and the wire 7 is arranged through the threading hole 10 to prevent the wire 7 from affecting the folding of the frame 2.

[0045] See also Figure 6A plurality of panel brackets 9 are also provided on the inner side of the frame 2 . The panel brackets 9 are arranged between the rear side plate 202 and the solar panel 1 . The solar panel 1 is further fixed by the panel brackets 9 to ensure that the solar panel 1 is firmly fixed in the panel fixing groove 206 .

[0046] See also Figure 7-8 The solar panel bracket 9 includes a bracket body 901 and an elastic block 902. A groove is provided on the rear side of the bracket body 901, and the elastic block 902 is fixed in the groove. A plurality of support protrusions 903 are provided at intervals on the front side of the bracket body 901. The elastic block 902 provides a certain buffer for the solar panel 1, further improving the service life of the solar folding assembly.

[0047] See also Figures 9-10 The solar panel bracket 9 is fixed to the inner side of the rear side plate 202, and the supporting protrusion 903 of the solar panel bracket 9 presses against the solar panel 1 to fix it firmly. The space between the rear side plate 202 and the middle vertical plate 204 forms a cavity behind the solar panel 1, and the folding bracket 3 is folded and stored in the cavity without affecting the folding connection of the adjacent frame 2.

[0048] See also Fig.11 The upper end of the folding bracket 3 is rotatably connected to the bracket fixing seat 12, and the bracket fixing seat 12 is fixed to the inner side of the rear part of the frame 2. The upper end of the folding bracket 3 is arranged between two ear plates of the bracket fixing seat 12, and the two ear plates are connected and clamped by screws to form a certain damping, so that the folding bracket 3 needs to be rotated with force before it can swing, so that the folding bracket 3 can be fixed at any angle, so as to facilitate the adjustment of the angle of the solar panel 1.

[0049] The solar folding component in this embodiment uses an ultra-light hinge 11 to connect 4 ultra-light folding components to form a four-fold charging board, which can be unfolded for charging and folded for storage for easy use. When unfolded, the charging board power reaches 400W and the maximum power current reaches 18.9A, achieving efficient charging, which can meet the charging needs of high-power mobile power supplies and improve the defects of limited charging efficiency and low charging efficiency of the original single-chip solar panel.

[0050] The process of directly sealing the wiring at the output port is adopted, and a waterproof rubber ring is added to the inner wall of the junction box used, which improves the defects of the original junction box being non-waterproof and easy to weather. Frame 2 uses a black frame, black back film, black junction box, and black spray-painted bracket, which is beautiful and generous, improving the defect of the original single appearance of the solar panel.

[0051] See also Fig.12The solar cell panel 1 includes a back film 13, a battery cell 14 and a protective film 15 which are arranged in sequence. An EVA layer 16, a PET layer 17 and a prepreg layer 18 are arranged in sequence between the back film 13 and the battery cell 14. A prepreg layer 18, a PET layer 17 and an EVA layer 16 are arranged in sequence between the battery cell 14 and the protective film 15. The material of the protective film 15 in this embodiment is ETFE film.

[0052] Compared with conventional solar panels, this high-power ultra-light folding panel adopts an integrated hot pressing process of back film + EVA + PET + prepreg + battery cell + prepreg + PET + EVA + ETFE to form a high-efficiency, high-power and ultra-light folding component, making the component more solid and the battery cell 14 not easy to move and be damaged, thus improving the defect of the original solar panel battery cell 14 being unstable.

[0053] The use of ETFE high-transmittance transparent protective film 15 and prepreg layer 18 improves the transmittance of the flexible component, thereby improving the power generation efficiency of the solar module and solving the defect of low power conversion efficiency of the original solar panel. The high-strength ETFE plus epoxy resin substrate is combined with the protective cell 14, and a special lamination process is used to achieve glass-free packaging technology to replace rigid and bulky glass. The weight is reduced by 40% compared with the aluminum frame 2 component, and the solar panel is more solid, not easy to be scratched and damaged, and is light in size and easy to carry.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A solar folding assembly, characterized in that: It comprises a plurality of solar power generation units arranged side by side, and the adjacent solar power generation units can be foldably connected; The solar power generation unit comprises a frame, a solar cell panel and a folding bracket, wherein the solar cell panel is fixed on the front side of the frame, the folding bracket is rotatably arranged on the rear side of the frame, and the rear side of the frame has a cavity for accommodating the folding bracket; The frame includes a front side panel, a rear side panel and a surrounding panel, wherein the front side panel and the rear side panel are respectively fixed on both sides of the surrounding panel, and an intermediate vertical panel is also provided on the surrounding panel between the front side panel and the rear side panel, and a solar panel fixing groove is formed between the intermediate vertical panel and the front side panel, and the side edge of the solar cell panel is fixed in the solar panel fixing groove, and the space between the rear side panel and the intermediate vertical panel forms the cavity at the rear side of the solar cell panel.

2. The solar folding assembly according to claim 1, characterized in that: A junction box is arranged on the rear side of the solar cell panel, and the junction boxes of adjacent solar cell panels are connected by wires. A wire threading hole is provided on the frame, and the wire is passed through the wire threading hole.

3. The solar folding assembly according to claim 1, characterized in that: A handle is provided on the upper side of the frame of at least one of the solar power generation units.

4. The solar folding assembly according to claim 1, characterized in that: An intermediate horizontal plate is also connected between the intermediate vertical plate and the rear side plate, and the intermediate horizontal plate is spaced apart from the enclosure plate.

5. The solar folding assembly according to claim 1, characterized in that: A plurality of battery panel brackets are also provided inside the frame, and the battery panel brackets are arranged between the rear side plate and the solar cell panel.

6. The solar folding assembly according to claim 5, characterized in that: The solar panel support comprises a support body and an elastic block. A groove is provided on the rear side of the support body, and the elastic block is fixed in the groove. A plurality of support protrusions are provided at intervals on the front side of the support body.

7. The solar folding assembly according to claim 1, characterized in that: The folding bracket is U-shaped, a bracket fixing seat is fixed on the inner side of the rear part of the frame, and the upper end of the folding bracket is rotatably connected to the bracket fixing seat.

8. The solar folding assembly according to claim 1, characterized in that: A buffer pad is fixed to the rear side of the solar cell panel. The buffer pad is arranged opposite to the folding bracket. The folding bracket contacts the buffer pad after being folded.

9. The solar folding assembly according to claim 1 or 8, characterized in that: The solar cell panel comprises a back film, a battery cell and a protective film which are arranged in sequence; an EVA layer, a PET layer and a prepreg layer are arranged in sequence between the back film and the battery cell; a prepreg layer, a PET layer and an EVA layer are arranged in sequence between the battery cell and the protective film; and the material of the protective film is ETFE film.

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