High-insulativity backboard for solar photovoltaic cell

Abstract

The utility model discloses a high-insulativity back plate for a solar photovoltaic cell, relates to the technical field of solar back plates, and aims to solve the problems that the current leakage cannot be effectively prevented, the safety of a cell panel cannot be ensured, the water resistance and the aging resistance are not enough, and the cell panel cannot be protected from being damaged in a special environment in the prior art. Supporting legs are arranged at the lower end of the supporting table, the supporting legs are connected with the supporting table in a welded mode, a solar panel is arranged at the upper end of the supporting table, a protection plate is arranged on the surface of the supporting table, the protection plate is fixedly connected with the supporting table, and the back plate is installed on the lower surface of the solar panel. The solar panel is installed on the back plate, the back plate is movably connected with the solar panel, a reflective mirror is installed on the lower surface of the back plate, the reflective mirror is fixedly connected with the back plate, a lamination bonding layer is arranged at the lower end of the reflective mirror and is made of a modified fluorine-containing material, and a middle layer is arranged at the lower end of the lamination bonding layer.

Description

Technical Field

[0001] The utility model relates to the technical field of solar back panels, in particular to a high-insulation back panel for solar photovoltaic cells. Background Art

[0002] Solar backsheet, also known as solar cell backsheet film, photovoltaic backsheet or photovoltaic backsheet film, is located on the back of the solar panel. Its main function is to protect the solar cell components in outdoor environments, prevent them from being corroded by water vapor, and block the entry of oxygen to prevent oxidation inside the components. In addition, the solar backsheet also has the characteristics of reliable insulation, aging resistance, high and low temperature resistance, and corrosion resistance.

[0003] For example, announcement number CN202268365U is named as a solar back panel, which includes an insulating base layer, a weather-resistant coating is provided on at least one side of the insulating base layer, a weather-resistant coating is provided on one side of the insulating base layer, a fluoropolymer film is provided on the other side of the insulating base layer, and an adhesive layer is provided between the insulating base layer and the fluoropolymer film.

[0004] During use, the above device cannot effectively prevent current leakage, cannot ensure the safety of the solar panels, and has insufficient water resistance and aging resistance, and cannot protect the solar panels from damage under special circumstances. Therefore, we propose a high-insulation backplane for solar photovoltaic cells to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-insulation backplane for solar photovoltaic cells to solve the problems mentioned in the above background technology that the existing backplane cannot effectively prevent current leakage, cannot ensure the safety of the solar panels, and has insufficient water resistance and aging resistance, and cannot protect the solar panels from damage under special environments.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-insulation backplane for solar photovoltaic cells, a support platform, a support leg is arranged at the lower end of the support platform, and the support leg is connected to the support platform by welding, a solar panel is arranged at the upper end of the support platform, a protective plate is arranged on the surface of the support platform, and the protective plate is fixedly connected to the support platform.

[0007] Also includes:

[0008] A back plate is installed on the lower surface of the solar panel, and the back plate is movably connected to the solar panel. A reflector is installed on the lower surface of the back plate, and the reflector is fixedly connected to the back plate. A laminated adhesive layer is arranged at the lower end of the reflector, and the laminated adhesive layer is a modified fluorine-containing material. An intermediate layer is arranged at the lower end of the laminated adhesive layer, and the intermediate layer is a modified PET film. A weather-resistant layer is arranged at the lower end of the intermediate layer, and the weather-resistant layer is made of PVF material.

[0009] Preferably, a bottom plate is provided at the bottom of the supporting leg, and the bottom plate is fixedly connected to the supporting leg, and a cross beam is provided on the inner side of the supporting leg, and the cross beam is fixedly connected to the supporting leg.

[0010] Preferably, side panels are provided on the left and right sides of the support platform, and the side panels are fixedly connected to the support platform.

[0011] Preferably, a pull rod is installed on the surface of the side plate, and the pull rod is movably connected to the side plate, one end of the pull rod is connected to a handle, and the handle is connected to the pull rod by welding.

[0012] Preferably, a connecting rod is provided in the inner cavity of the side panel, and the connecting rod is fixedly connected to the pull rod, and the connecting rod passes through the side panel, a spring is installed on the surface of the connecting rod in the inner cavity of the side panel, and the spring is movably connected to the connecting rod, a limit block is installed on one side of the spring, and the limit block is fixedly connected to the connecting rod, a connecting block is connected to the lower surface of the solar panel, and the connecting block is fixedly connected to the solar panel, and the connecting rod passes through the connecting block.

[0013] Preferably, a support plate is installed on the inner side of the side plate, and the support plate is fixedly connected to the side plate, and an inductive sensor is installed inside the support plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model has a stable structure, reasonable design and safe use. Through the cooperation of specially designed backboard, reflector, laminated adhesive layer, middle layer and weather-resistant layer, the reflector can reflect ultraviolet rays irradiated on the surface of the backboard, reduce the ultraviolet rays received by the backboard, greatly reduce the ultraviolet rays received inside, and further improve the overall ultraviolet aging resistance of the backboard. The laminated adhesive layer can make the layers fit closely together, and the middle layer plays a supporting role. At the same time, it also has high temperature and low temperature resistance and excellent electrical insulation. The weather-resistant layer can resist the erosion of environmental factors such as ultraviolet rays, moisture, and chemical corrosion. It also has stability and durability, and achieves the effect of preventing current leakage, which solves the problems that traditional devices cannot effectively prevent current leakage, cannot ensure the safety of the battery panels, and have insufficient water resistance and aging resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 It is a front view of the overall structure of the utility model;

[0018] Figure 3 It is a top view of the overall structure of the utility model;

[0019] Figure 4 Another perspective view of the present utility model;

[0020] In the figure: 1. support platform; 2. support leg; 3. bottom plate; 4. crossbeam; 5. side plate; 6. protection plate; 7. solar panel; 8. pull rod; 9. handle; 10. connecting rod; 11. spring; 12. limit block; 13. connecting block; 14. back plate; 15. reflector; 16. laminating adhesive layer; 17. middle layer; 18. weather-resistant layer; 19. support plate; 20. inductive sensor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a high-insulation backplane for solar photovoltaic cells, a support platform 1, a support leg 2 is provided at the lower end of the support platform 1, and the support leg 2 is connected to the support platform 1 by welding, a solar panel 7 is provided at the upper end of the support platform 1, and a protective plate 6 is provided on the surface of the support platform 1, and the protective plate 6 is fixedly connected to the support platform 1.

[0023] Also includes:

[0024] A back plate 14 is mounted on the lower surface of the solar panel 7, and the back plate 14 is movably connected to the solar panel 7. A reflector 15 is mounted on the lower surface of the back plate 14, and the reflector 15 is fixedly connected to the back plate 14. A laminated adhesive layer 16 is arranged at the lower end of the reflector 15, and the laminated adhesive layer 16 is a modified fluorine-containing material. An intermediate layer 17 is arranged at the lower end of the laminated adhesive layer 16, and the intermediate layer 17 is a modified PET film. A weather-resistant layer 18 is arranged at the lower end of the intermediate layer 17, and the weather-resistant layer 18 is made of PVF material.

[0025] See also Figure 2A bottom plate 3 is provided at the bottom of the supporting leg 2, and the bottom plate 3 is fixedly connected to the supporting leg 2. A cross beam 4 is provided on the inner side of the supporting leg 2, and the cross beam 4 is fixedly connected to the supporting leg 2. When this product is in use, the cross beam 4 enables the force to be evenly distributed to various parts of the building to avoid local overload. This balanced force distribution ensures the stability of the building structure and can effectively prevent the building from being damaged due to concentrated loads.

[0026] See also Figure 2 Side panels 5 are provided on the left and right sides of the support platform 1, and the side panels 5 are fixedly connected to the support platform 1. When the product is in use, the side panels 5 can make the equipment run more stably.

[0027] See also Figure 2 A pull rod 8 is installed on the surface of the side plate 5, and the pull rod 8 is movably connected to the side plate 5. A handle 9 is connected to one end of the pull rod 8, and the handle 9 is connected to the pull rod 8 by welding. When this product is in use, the handle 9 can pull the pull rod 8.

[0028] See also Figure 2 A connecting rod 10 is provided in the inner cavity of the side plate 5, and the connecting rod 10 is fixedly connected to the pull rod 8, and the connecting rod 10 passes through the side plate 5. A spring 11 is installed on the surface of the connecting rod 10 in the inner cavity of the side plate 5, and the spring 11 is movably connected to the connecting rod 10. A limiting block 12 is installed on one side of the spring 11, and the limiting block 12 is fixedly connected to the connecting rod 10. A connecting block 13 is connected to the lower surface of the solar panel 7, and the connecting block 13 is fixedly connected to the solar panel 7. The connecting rod 10 passes through the connecting block 13. When this product is in use, the limiting block 12 can limit the position of the connecting rod 10.

[0029] See also Figure 2 A support plate 19 is installed on the inner side of the side plate 5, and the support plate 19 is fixedly connected to the side plate 5. An inductive sensor 20 is installed inside the support plate 19. When this product is in use, in the event of leakage, the inductive sensor 20 can receive and transmit the signal to the outside.

[0030] Working principle: During use, when there is sunlight, the reflector 15 at the lower end of the back plate 14 at the lower end of the solar panel 7 can reflect the ultraviolet rays irradiated on the surface of the back plate 14, thereby reducing the ultraviolet rays received by the back plate 14, and then greatly reducing the ultraviolet rays received by the inside, further improving the overall ultraviolet aging resistance of the back plate 14, and then the laminated adhesive layer 16 can make the layers fit tightly together, and the weather-resistant layer 18 at the lower end can resist the erosion of environmental factors such as ultraviolet rays, moisture, and chemical corrosion, and also has stability and durability. In the event of leakage, the inductive sensor 20 can receive and transmit the signal to the outside. When the solar panel 7 needs to be replaced, an outward force is applied to the handle 9, so that the handle 9 drives the pull rod 8 to be pulled outward, so that the connecting rod 10 connected thereto is pulled outward from the connecting block 13, and then the solar panel 7 is replaced and placed, the spring 11 will rebound, and then the connecting rod 10 is reinserted into the connecting block 13 to complete the replacement.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-insulation back sheet for a solar photovoltaic cell, comprising a support platform (1), a support leg (2) being arranged at the lower end of the support platform (1), and the support leg (2) being connected to the support platform (1) by welding, a solar panel (7) being arranged at the upper end of the support platform (1), a protective plate (6) being arranged on the surface of the support platform (1), and the protective plate (6) being fixedly connected to the support platform (1); Features: Also includes: A back plate (14) is mounted on the lower surface of a solar panel (7), and the back plate (14) is movably connected to the solar panel (7); a reflector (15) is mounted on the lower surface of the back plate (14), and the reflector (15) is fixedly connected to the back plate (14); a laminated adhesive layer (16) is arranged at the lower end of the reflector (15), and the laminated adhesive layer (16) is a modified fluorine-containing material; an intermediate layer (17) is arranged at the lower end of the laminated adhesive layer (16), and the intermediate layer (17) is a modified PET film; a weather-resistant layer (18) is arranged at the lower end of the intermediate layer (17), and the weather-resistant layer (18) is made of PVF material.

2. A high-insulation back sheet for solar photovoltaic cells according to claim 1, characterized in that: A bottom plate (3) is provided at the bottom of the supporting leg (2), and the bottom plate (3) is fixedly connected to the supporting leg (2); a cross beam (4) is provided on the inner side of the supporting leg (2), and the cross beam (4) is fixedly connected to the supporting leg (2).

3. The high-insulation back sheet for solar photovoltaic cells according to claim 1, characterized in that: Side panels (5) are provided on the left and right sides of the support platform (1), and the side panels (5) are fixedly connected to the support platform (1).

4. A high-insulation back sheet for solar photovoltaic cells according to claim 3, characterized in that: A pull rod (8) is installed on the surface of the side plate (5), and the pull rod (8) is movably connected to the side plate (5). One end of the pull rod (8) is connected to a handle (9), and the handle (9) is connected to the pull rod (8) by welding.

5. The high-insulation back sheet for solar photovoltaic cells according to claim 3, characterized in that: The inner cavity of the side plate (5) is provided with a connecting rod (10), and the connecting rod (10) is fixedly connected to the pull rod (8), and the connecting rod (10) passes through the side plate (5). A spring (11) is installed on the surface of the connecting rod (10) in the inner cavity of the side plate (5), and the spring (11) is movably connected to the connecting rod (10). A limit block (12) is installed on one side of the spring (11), and the limit block (12) is fixedly connected to the connecting rod (10). The lower surface of the solar panel (7) is connected to a connecting block (13), and the connecting block (13) is fixedly connected to the solar panel (7), and the connecting rod (10) passes through the connecting block (13).

6. The high-insulation back sheet for solar photovoltaic cells according to claim 3, characterized in that: A support plate (19) is installed on the inner side of the side plate (5), and the support plate (19) is fixedly connected to the side plate (5), and an inductive sensor (20) is installed inside the support plate (19).

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