Solar photovoltaic panel

Abstract

The utility model relates to the technical field of photovoltaic panels, and provides a solar photovoltaic panel which comprises a frame (1), the frame (1) is hollow, the bottom of the frame (1) is fixedly connected with a supporting frame (2), a battery assembly (3) is arranged in the frame (1), the frame (1) and the battery assembly (3) are connected through silica gel, a protective layer (4) used for protecting the battery assembly (3) is detachably connected in the frame (1), and the protective layer (4) is detachable and replaceable. The protective layer (4) comprises a transparent acrylic plate (41), a cleaning assembly (5) is further arranged on the frame (1) and used for conveniently cleaning sundries on the surface of the photovoltaic panel, the surface of the photovoltaic panel can be conveniently cleaned, the protective layer is arranged to protect a battery assembly, and replacement is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic panels, and more specifically, particularly to a solar photovoltaic panel. Background Art

[0002] Solar cells, also known as "solar chips", are a type of photoelectric semiconductor that generates electricity directly. Single solar cells cannot be used directly. To use them as a power source, several single solar cells must be connected in series and parallel and tightly packaged into components. Solar panels (also called) are multiple assembled components, which are the core and most important part of the solar power generation system.

[0003] Announcement No. CN218352444U discloses a solar photovoltaic panel, including a frame-shaped bracket, a horizontal bracket, a vertical rod and a base, wherein a first slide bar is provided at one end of the frame-shaped bracket close to the base, a first slide groove is provided on the two side walls of the frame-shaped bracket that are arranged opposite to each other, two horizontal brackets are provided on the base, a second slide groove is provided on the horizontal bracket, the first slide bar is slidably connected to the second slide groove, a vertical rod is provided on the horizontal bracket, a second slide bar is connected between the top ends of the two vertical rods, the second slide bar is slidably connected to the first slide groove, the axes of the first slide bar and the second slide bar are parallel, and a driving mechanism for driving the first slide bar to move in the second slide groove is provided on the base. The utility model provides a solar photovoltaic panel, wherein when the first slide bar moves in the second slide groove, the position of the second slide bar changes, so that the angle of the photovoltaic panel can be conveniently adjusted to ensure the photoelectric conversion efficiency, and the photovoltaic panel can also be arranged downward for storage to avoid damage to the photovoltaic panel caused by harsh environment. However, when the solar photovoltaic panels in the prior art encounter ice, snow or dust weather, the ice, snow or dust covers the surface of the photovoltaic panels, affecting the photoelectric conversion of the photovoltaic panels, and there is a lack of a mechanism that can quickly clean the surface of the photovoltaic panels; and the surface of the photovoltaic panels is mostly tempered glass to protect the panels, but the tempered glass is damaged by wind and rain, and the tempered glass is usually bonded to the battery cells, so it is complicated to replace the tempered glass. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model aims to provide a solar photovoltaic panel, which can conveniently clean the surface of the photovoltaic panel, is provided with a protective layer to protect the battery assembly, and is easy to replace.

[0005] A solar photovoltaic panel comprises a frame, wherein the interior of the frame is hollow and a support frame is fixedly connected to the bottom, a battery assembly is arranged in the frame, the frame and the battery assembly are connected by silica gel, a protective layer for protecting the battery assembly is detachably connected in the frame, the protective layer is detachable and replaceable, the protective layer comprises a transparent acrylic plate, and a cleaning assembly is also arranged on the frame for conveniently cleaning debris on the surface of the photovoltaic panel.

[0006] Furthermore, the frame and the support frame are both made of aluminum alloy.

[0007] Furthermore, the protective layer also includes a pad disposed between the transparent acrylic plate and the battery assembly, and the pad is in a rectangular frame shape.

[0008] Furthermore, a pad groove adapted to the pad block is provided in the frame, a screw hole is provided in the pad groove, screw holes are also provided on the transparent acrylic plate and the pad block, and the transparent acrylic plate, the pad block and the frame are connected to the frame via connecting bolts.

[0009] Furthermore, the cushion block is made of rubber.

[0010] Furthermore, the cleaning assembly includes a bracket fixedly connected to both sides of the frame, a slider slides inside the bracket, a mounting rod is connected between the two sliders, and a brush is arranged on the lower end surface of the mounting rod.

[0011] Furthermore, a push plate is provided on the upper end surface of the mounting rod.

[0012] Furthermore, a through hole is formed at one end of the two sliding blocks which are away from each other.

[0013] Furthermore, the battery assembly includes a back plate, an adhesive film, a battery cell and tempered glass, the adhesive film is an EVA adhesive film, the back plate is made of TPT material, the back plate and the battery cell are bonded by the adhesive film, and the tempered glass and the battery cell are bonded by the adhesive film.

[0014] Furthermore, the adhesive film between the tempered glass and the battery cell is a high-transmittance EVA adhesive film.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] ① In the utility model, after the protective layer is impacted (such as hail), the transparent acrylic plate is hit first to protect the battery assembly, and a buffer space is formed between the transparent acrylic plate, the cushion block and the battery assembly. Because the cushion block is made of rubber, it can alleviate the impact force. If the protective layer is damaged, the transparent acrylic plate and the cushion block can be removed and replaced by removing the connecting bolts.

[0017] ② In the utility model, a brush is provided at the lower end of the mounting rod, and the brush contacts the transparent acrylic plate in the protective layer, so as to clean the debris on the surface of the protective layer to prevent the debris from blocking the sunlight. A push plate is provided at the upper end of the mounting rod, and the snow accumulated on the protective layer can be pushed down in cooperation with the brush. Through holes are provided at the ends of the two sliders away from each other, and the slider can be pulled by inserting a finger into the through hole or inserting a hook into the through hole, so as to conveniently use the brush to clean the debris on the surface of the protective layer to prevent the debris from covering and affecting the photoelectric conversion of the battery assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of a solar photovoltaic panel;

[0020] Figure 2 This is a structural breakdown diagram of a solar photovoltaic panel;

[0021] Figure 3 is a schematic diagram of the frame and pads;

[0022] Figure 4 Schematic diagram of the framework and cleanup components;

[0023] Figure 5 It is a partial structural diagram of the cleaning component.

[0024] In the figure: 1. frame; 2. support frame; 3. battery assembly; 31. back plate; 32. film; 33. battery cell; 34. tempered glass; 4. protective layer; 41. transparent acrylic plate; 42. pad; 43. connecting bolt; 5. cleaning assembly; 51. bracket; 52. slider; 53. mounting rod; 54. brush; 55. push plate; 56. through hole; 6. pad groove; 7. junction box. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment:

[0027] like Figure 1-5As shown, a solar photovoltaic panel includes a frame 1, the frame 1 is hollow inside and a support frame 2 is fixedly connected to the bottom, a battery assembly 3 is arranged in the frame 1, the frame 1 and the support frame 2 are both made of aluminum alloy and are used to protect the battery assembly 3, the frame 1 and the battery assembly 3 are connected by silicone, the aluminum alloy frame 1 is combined with the silicone edging to strengthen the sealing of the photovoltaic panel, and improve the overall mechanical strength of the photovoltaic panel, and is easy to assemble; a protective layer 4 is detachably connected in the frame 1, the protective layer 4 is used to protect the battery assembly 3, the protective layer 4 is detachable and replaceable, and the protective layer 4 includes a transparent acrylic plate 41, so that sunlight can pass through the protective layer 4 to shine on the battery assembly 3; a cleaning assembly 5 is also arranged on the frame 1, and debris covering the surface of the photovoltaic panel affects the photoelectric conversion of the battery assembly 3 in the photovoltaic panel. By using the cleaning assembly 5, the debris on the surface of the photovoltaic panel can be quickly cleaned.

[0028] like Figure 1-5 As shown, the protective layer 4 also includes a pad 42 disposed between the transparent acrylic plate 41 and the battery assembly 3. The pad 42 is a rectangular frame and is made of rubber. A pad groove 6 adapted to the pad 42 is provided in the frame 1. Screw holes are provided at the four corners of the pad groove 6. Screw holes are provided at positions corresponding to the pad groove 6 on the transparent acrylic plate 41 and the pad 42. The transparent acrylic plate 41 and the pad 42 are connected to the frame 1 through connecting bolts 43. The side of the transparent acrylic plate 41 away from the pad 42 is flush with the upper end surface of the frame 1. After the protective layer 4 is impacted (such as hail), the transparent acrylic plate 41 is hit first to protect the battery assembly 3, and a buffer space is formed between the transparent acrylic plate 41, the pad 42 and the battery assembly 3. Since the pad 42 is made of rubber, it can alleviate the impact force. If the protective layer 4 is damaged, the transparent acrylic plate 41 and the pad 42 can be removed and replaced by removing the connecting bolts 43.

[0029] like Figure 1-5 As shown, the cleaning component 5 includes a bracket 51 fixedly connected to both sides of the frame 1, a slider 52 slides in the bracket 51, a mounting rod 53 is connected between the two sliders 52, both ends of the mounting rod 53 are fixedly connected to the slider 52 on the same side, a brush 54 is arranged on the lower end surface of the mounting rod 53, the brush 54 contacts with the transparent acrylic plate 41 in the protective layer 4, and can clean the debris on the surface of the protective layer 4 to prevent the debris from blocking the sunlight, a push plate 55 is arranged on the upper end surface of the mounting rod 53, and the snow accumulated on the protective layer 4 can be pushed down in cooperation with the brush 54, and through holes 56 are provided at the ends of the two sliders 52 away from each other, and the slider 52 can be pulled by inserting a finger into the through hole 56 or inserting a hook into the through hole 56, so that the brush 54 can conveniently clean the debris on the surface of the protective layer 4 to prevent the debris from covering and affecting the photoelectric conversion of the battery component.

[0030] like Figure 1-5As shown, the battery assembly 3 includes a back plate 31, an adhesive film 32, a battery cell 33, and a tempered glass 34. The adhesive film 32 is an EVA adhesive film, and the back plate 31 is made of TPT material. The back plate 31 and the battery cell 33, and the back plate 31 and the support frame 2 are bonded by the adhesive film 32. The tempered glass 34 and the battery cell 33 are bonded by the adhesive film 32, and the adhesive film 32 between the tempered glass 34 and the battery cell 33 is a highly transparent EVA adhesive film.

[0031] like Figure 1-5 As shown, the lower end surface of the back plate 31 is bonded with the junction box 7 via silicone.

[0032] The working principle of a solar photovoltaic panel in this embodiment is: if debris (such as ice, snow, and dust) covers the surface of the photovoltaic panel, the debris on the surface of the protective layer 4 can be cleaned by repeatedly pulling the slider 52 to prevent the debris from blocking the sunlight. The upper end of the mounting rod 53 is also provided with a push plate 55, which can push down the snow accumulated on the protective layer 4 with the brush 54 to prevent the debris from covering and affecting the photoelectric conversion of the battery assembly 3; if the protective layer 4 is impacted (such as hail), the transparent acrylic plate 41 is hit first to protect the battery assembly 3, and a buffer space is formed between the transparent acrylic plate 41, the pad 42 and the battery assembly 3. Because the pad 42 is made of rubber, it can alleviate the impact force. If the protective layer 4 is damaged, the transparent acrylic plate 41 and the pad 42 can be removed and replaced by removing the connecting bolts 43. A solar photovoltaic panel in this embodiment can easily clean the surface of the photovoltaic panel, and a protective layer is provided to protect the battery assembly, and it is easy to replace.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A solar photovoltaic panel, characterized in that: The invention comprises a frame (1), wherein the frame (1) is hollow inside and a support frame (2) is fixedly connected to the bottom, a battery assembly (3) is arranged inside the frame (1), the frame (1) and the battery assembly (3) are connected via silica gel, a protective layer (4) for protecting the battery assembly (3) is detachably connected inside the frame (1), the protective layer (4) is detachable and replaceable, and the protective layer (4) comprises a transparent acrylic plate (41), and a cleaning assembly (5) is also arranged on the frame (1) for conveniently cleaning debris on the surface of the photovoltaic panel.

2. A solar photovoltaic panel according to claim 1, characterized in that: The frame (1) and the support frame (2) are both made of aluminum alloy.

3. A solar photovoltaic panel according to claim 1, characterized in that: The protective layer (4) further comprises a cushion block (42) arranged between the transparent acrylic plate (41) and the battery assembly (3); the cushion block (42) is in the shape of a rectangular frame.

4. A solar photovoltaic panel according to claim 3, characterized in that: The frame (1) is provided with a pad groove (6) adapted to the pad block (42), the pad groove (6) is provided with a screw hole, the transparent acrylic plate (41) and the pad block (42) are also provided with screw holes, and the transparent acrylic plate (41), the pad block (42) and the frame (1) are connected to the frame (1) via connecting bolts (43).

5. A solar photovoltaic panel according to claim 4, characterized in that: The cushion block (42) is made of rubber.

6. A solar photovoltaic panel according to claim 1, characterized in that: The cleaning assembly (5) comprises a bracket (51) fixedly connected to both sides of the frame (1), a slider (52) sliding inside the bracket (51), a mounting rod (53) connected between the two sliders (52), and a brush (54) disposed on the lower end surface of the mounting rod (53).

7. A solar photovoltaic panel according to claim 6, characterized in that: A push plate (55) is provided on the upper end surface of the mounting rod (53).

8. A solar photovoltaic panel according to claim 7, characterized in that: A through hole (56) is formed at one end of the two sliding blocks (52) that is away from each other.

9. A solar photovoltaic panel according to claim 1, characterized in that: The battery assembly (3) comprises a back plate (31), an adhesive film (32), a battery cell (33) and a tempered glass (34); the adhesive film (32) is an EVA adhesive film; the back plate (31) is made of a TPT material; the back plate (31) and the battery cell (33) are bonded together by the adhesive film (32); and the tempered glass (34) and the battery cell (33) are bonded together by the adhesive film (32).

10. A solar photovoltaic panel according to claim 9, characterized in that: The adhesive film (32) between the tempered glass (34) and the battery sheet (33) is a high-transmittance EVA adhesive film.

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