Ultra-thin photovoltaic module structure

Abstract

The utility model relates to the technical field of photovoltaic modules, and discloses an ultra-thin photovoltaic module structure, which solves the problem of poor use effect of the existing photovoltaic module, and comprises a plurality of semi-flexible photovoltaic panel units which are fixedly connected through a plurality of flexible connecting bands. Mounting supports are fixedly arranged at the four corners of the back face of each semi-flexible photovoltaic panel unit, each semi-flexible photovoltaic panel unit is composed of a semi-flexible back plate, a plurality of silicon crystal plates, a tetrafluoroethylene copolymer film layer and a tensile reinforcing layer, and the silicon crystal plates are fixedly connected to one side of the semi-flexible back plate. The tetrafluoroethylene copolymer film layer is fixedly connected to one side of the silicon crystal plate and wraps the side edge of the semi-flexible back plate, and the tensile reinforcing layer is connected to the interior of the semi-flexible back plate in a penetrating and inserting mode and connected with the silicon crystal plate in an attached mode; through the photovoltaic module, the photovoltaic module can have certain flexibility and also has relatively good tensile property and heat dissipation property, an ultrathin design can be realized, and the occupied space is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic components, in particular to an ultra-thin photovoltaic component structure. Background Art

[0002] At present, photovoltaic power generation components are widely used, and some small photovoltaic components are used by outdoor people, such as installing photovoltaic components on the roof of RVs to generate electricity, and using photovoltaic components to generate electricity while camping. Currently, commonly used small photovoltaic components are generally rigid and flexible. Rigid photovoltaic components are large in size, take up more space, and have poor collision resistance. They are easily damaged by collisions. Flexible photovoltaic components are easily damaged due to excessive bending, have poor use effect, and have unsatisfactory heat dissipation performance. Therefore, the present application proposes an ultra-thin photovoltaic component structure to improve the existing photovoltaic components. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an ultra-thin photovoltaic module structure, which effectively solves the problem that the existing photovoltaic modules have poor use effects.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultra-thin photovoltaic module structure, comprising a plurality of semi-flexible photovoltaic panel units, wherein the semi-flexible photovoltaic panel units are fixedly connected by a plurality of flexible connecting belts, and mounting brackets are fixedly arranged at the four corners on the back of the semi-flexible photovoltaic panel units. The semi-flexible photovoltaic panel units are composed of a semi-flexible backboard, a plurality of silicon crystal panels, a tetrafluoroethylene copolymer film layer and a tensile reinforcement layer. The silicon crystal panel is fixedly connected to one side of the semi-flexible backboard, the tetrafluoroethylene copolymer film layer is fixedly connected to one side of the silicon crystal panel and coated on the side of the semi-flexible backboard, and the tensile reinforcement layer is inserted and connected to the interior of the semi-flexible backboard and is bonded to the silicon crystal panel.

[0005] Preferably, an annular groove is formed on the outer edge of the semi-flexible back plate, and the side edge of the tetrafluoroethylene copolymer film layer forms a fused annular rib matching the annular groove, and the fused annular rib is clamped inside the annular groove.

[0006] Preferably, the tetrafluoroethylene copolymer film layer and the semi-flexible back plate and the silicon crystal plate are all glue-connected structures, and the fusion-type annular convex rib and the annular groove are glue-connected structures.

[0007] Preferably, the semi-flexible back plate is provided with a plurality of through slots and snap-in slots matching the tensile reinforcement layer.

[0008] Preferably, the tensile reinforcement layer is composed of a M-shaped frame-type aluminum substrate, a plurality of thermally conductive copper sheets, a plurality of copper thermally conductive connecting plates and a plurality of heat dissipating aluminum fins. The M-shaped frame-type aluminum substrate is embedded in the side of the semi-flexible backplane, the thermally conductive copper sheets are fixedly connected to the M-shaped frame-type aluminum substrate through the copper thermally conductive connecting plates, the heat dissipating aluminum fins are fixedly connected to the side of the M-shaped frame-type aluminum substrate away from the thermally conductive copper sheets, the thermally conductive copper sheets are clamped into the inside of the clamping groove and are bonded to the silicon crystal plate, and the copper thermally conductive connecting plates are inserted and connected to the inside of the through groove.

[0009] Preferably, a ventilation and heat dissipation groove matching the heat dissipation aluminum fins is formed between the mounting support and the tensile reinforcement layer.

[0010] Preferably, the semi-flexible back panel is composed of a plurality of reinforcing meshes and epoxy resin glue, the epoxy resin glue is coated on the outer surface of the reinforcing mesh, and the reinforcing mesh is woven from glass fiber and carbon fiber.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) During operation, by providing a tetrafluoroethylene copolymer film layer, the silicon crystal plate can be covered to prevent the silicon crystal plate from being directly exposed to the outside, and at the same time, the light transmittance can be effectively improved. By providing an annular groove and a fusion-type annular rib, the stability of the tetrafluoroethylene copolymer film connection can be improved to avoid the occurrence of edge warping;

[0013] (2) By setting up a tensile reinforcement layer composed of a M-shaped frame-shaped aluminum substrate, a plurality of thermally conductive copper thin plates, a plurality of copper thermally conductive connecting plates and a plurality of heat dissipation aluminum fins, the tensile resistance can be improved, and at the same time, it has good heat dissipation performance and can achieve heat dissipation of the silicon crystal plate. By setting up a semi-flexible backplane composed of a plurality of reinforcing nets and epoxy resin glue, it can support other components and at the same time have a certain degree of flexibility and tensile resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached picture:

[0016] Figure 1 This is a schematic diagram of the structure of the ultra-thin photovoltaic module of the utility model;

[0017] Figure 2 This is a schematic diagram of the disassembled structure of the semi-flexible photovoltaic panel unit of the utility model;

[0018] Figure 3 This is a side sectional view of a semi-flexible photovoltaic panel unit of the utility model;

[0019] Figure 4 For this utility model Figure 3 A partial enlarged view of

[0020] Figure 5 This is a disassembled anatomical view of the semi-flexible photovoltaic panel unit of the utility model;

[0021] Figure 6 For this utility model Figure 5 A partial enlarged view of

[0022] Figure 7 This is a schematic diagram of the structure of the semi-flexible back panel of the utility model;

[0023] In the figure: 1. semi-flexible photovoltaic panel unit; 2. flexible connecting belt; 3. mounting support; 4. semi-flexible backplane; 5. silicon crystal plate; 6. tetrafluoroethylene copolymer film layer; 7. tensile reinforcement layer; 8. annular groove; 9. fusion-type annular rib; 10. through groove; 11. snap-in groove; 12. M-shaped frame-type aluminum substrate; 13. thermally conductive copper sheet; 14. copper thermally conductive connecting plate; 15. heat dissipating aluminum fins; 16. ventilation and heat dissipation grooves; 17. reinforcement mesh; 18. epoxy resin glue; 19. glass fiber; 20. carbon fiber. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Depend on Figures 1 to 5 The utility model provides an ultra-thin photovoltaic module structure, including a plurality of semi-flexible photovoltaic panel units 1, the semi-flexible photovoltaic panel units 1 are fixedly connected by a plurality of flexible connecting belts 2, the four corners of the back of the semi-flexible photovoltaic panel unit 1 are fixedly provided with mounting brackets 3, the semi-flexible photovoltaic panel unit 1 is composed of a semi-flexible back plate 4, a plurality of silicon crystal plates 5, a tetrafluoroethylene copolymer film layer 6 and a tensile reinforcement layer 7, the silicon crystal plate 5 is fixedly connected to one side of the semi-flexible back plate 4, the tetrafluoroethylene copolymer film layer 6 is fixedly connected to one side of the silicon crystal plate 5 and is coated on the side of the semi-flexible back plate 4, and the tensile reinforcement layer 7 is inserted and connected to the interior of the semi-flexible back plate 4 and is bonded and connected to the silicon crystal plate 5;

[0026] The semi-flexible backplane 4 can be used to install the silicon crystal plate 5, the tetrafluoroethylene copolymer film layer 6 and the tensile reinforcement layer 7, and has certain flexibility and rigidity. The tetrafluoroethylene copolymer film layer 6 can be used to cover the silicon crystal plate 5 to prevent the silicon crystal plate 5 from being exposed to the outside, and has good light transmittance. The tensile reinforcement layer 7 can improve the overall tensile performance and has good heat dissipation performance.

[0027] Depend on Figures 2 to 6 It is shown that an annular groove 8 is formed on the outer edge of the semi-flexible back plate 4, and a fusion type annular convex rib 9 matching the annular groove 8 is formed on the side edge of the tetrafluoroethylene copolymer film layer 6, and the fusion type annular convex rib 9 is clamped in the inner part of the annular groove 8, and the tetrafluoroethylene copolymer film layer 6, the semi-flexible back plate 4 and the silicon crystal plate 5 are all adhesive connection structures, and the fusion type annular convex rib 9 and the annular groove 8 are adhesive connection structures;

[0028] The annular groove 8 and the fused annular rib 9 are provided to improve the stability of the tetrafluoroethylene copolymer film layer 6 and avoid edge warping during later use.

[0029] Depend on Figures 1 to 6 It is given that a plurality of through grooves 10 and snap-in grooves 11 matching the tensile reinforcement layer 7 are provided on the semi-flexible back plate 4, the tensile reinforcement layer 7 is composed of a M-shaped frame-shaped aluminum substrate 12, a plurality of heat-conducting copper sheets 13, a plurality of copper heat-conducting connecting plates 14 and a plurality of heat-dissipating aluminum fins 15, the M-shaped frame-shaped aluminum substrate 12 is embedded in the side of the semi-flexible back plate 4, the heat-conducting copper sheets 13 are fixedly connected to the M-shaped frame-shaped aluminum substrate 12 through the copper heat-conducting connecting plates 14, the heat-dissipating aluminum fins 15 are fixedly connected to the side of the M-shaped frame-shaped aluminum substrate 12 away from the heat-conducting copper sheets 13, the heat-conducting copper sheets 13 are snap-fitted to the inside of the snap-in grooves 11 and are bonded to the silicon crystal plate 5, the copper heat-conducting connecting plates 14 are inserted and connected to the inside of the through grooves 10, and a ventilation and heat-dissipating groove 16 matching the heat-dissipating aluminum fins 15 is formed between the mounting support 3 and the tensile reinforcement layer 7;

[0030] When in use, the heat generated by the silicon crystal plate 5 is transferred to the heat-conducting copper sheet 13, and then the heat is transferred to the M-shaped frame-shaped aluminum substrate 12 and the heat-dissipating aluminum fins 15 through the copper heat-conducting connecting plate 14. Heat dissipation is achieved through the M-shaped frame-shaped aluminum substrate 12 and the heat-dissipating aluminum fins 15, and the heat dissipation performance can be further improved through the ventilation heat dissipation grooves 16, and the tensile strength can also effectively improve the tensile strength.

[0031] Depend on Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7It is shown that the semi-flexible back panel 4 is composed of a plurality of reinforcing meshes 17 and epoxy resin glue 18. The epoxy resin glue 18 is coated on the outer surface of the reinforcing meshes 17. The reinforcing meshes 17 are woven from glass fibers 19 and carbon fibers 20.

[0032] By providing a composite structure of glass fiber 19, carbon fiber 20 and epoxy resin adhesive 18, the rigidity and flexibility of the semi-flexible backboard 4 can be improved, and transitional deformation can be avoided.

[0033] During operation, by providing a tetrafluoroethylene copolymer film layer, the silicon crystal plate can be coated to avoid direct exposure of the silicon crystal plate to the outside, and the light transmittance can be effectively improved. By providing annular grooves and fused annular ribs, the stability of the tetrafluoroethylene copolymer film connection can be improved to avoid edge warping. By providing a tensile reinforcement layer composed of a M-shaped frame aluminum substrate, a plurality of thermally conductive copper plates, a plurality of copper thermally conductive connecting plates and a plurality of heat dissipating aluminum fins, the tensile resistance can be improved, and at the same time, it has good heat dissipation performance and can achieve heat dissipation of the silicon crystal plate. By providing a semi-flexible backplane composed of a plurality of reinforcing meshes and epoxy resin glue, it can support other components and has a certain flexibility and tensile resistance.

Claims

1. An ultra-thin photovoltaic module structure, comprising a plurality of semi-flexible photovoltaic panel units (1), characterized in that: The semi-flexible photovoltaic panel units (1) are fixedly connected by a plurality of flexible connecting belts (2); mounting supports (3) are fixedly arranged at the four corners of the back of the semi-flexible photovoltaic panel unit (1); the semi-flexible photovoltaic panel unit (1) is composed of a semi-flexible back panel (4), a plurality of silicon crystal panels (5), a tetrafluoroethylene copolymer film layer (6) and a tensile reinforcement layer (7); the silicon crystal panel (5) is fixedly connected to one side of the semi-flexible back panel (4); the tetrafluoroethylene copolymer film layer (6) is fixedly connected to one side of the silicon crystal panel (5) and covers the side of the semi-flexible back panel (4); and the tensile reinforcement layer (7) is inserted into the interior of the semi-flexible back panel (4) and is bonded to the silicon crystal panel (5).

2. The ultra-thin photovoltaic module structure according to claim 1, characterized in that: The outer edge of the semi-flexible back plate (4) is provided with an annular groove (8), and the side edge of the tetrafluoroethylene copolymer film layer (6) forms a fused annular convex rib (9) matching the annular groove (8), and the fused annular convex rib (9) is snap-fitted into the interior of the annular groove (8).

3. The ultra-thin photovoltaic module structure according to claim 2, characterized in that: The tetrafluoroethylene copolymer film layer (6) and the semi-flexible back plate (4) and the silicon crystal plate (5) are all adhesively connected structures, and the fused annular convex rib (9) and the annular groove (8) are also adhesively connected structures.

4. The ultra-thin photovoltaic module structure according to claim 1, characterized in that: The semi-flexible back plate (4) is provided with a plurality of through slots (10) and snap-in slots (11) that match the tensile reinforcement layer (7).

5. The ultra-thin photovoltaic module structure according to claim 4, characterized in that: The tensile reinforcement layer (7) is composed of a cross-shaped frame aluminum substrate (12), a plurality of heat-conducting copper sheets (13), a plurality of copper heat-conducting connecting plates (14) and a plurality of heat-dissipating aluminum fins (15); the cross-shaped frame aluminum substrate (12) is embedded in the side of the semi-flexible backplane (4); the heat-conducting copper sheets (13) are fixedly connected to the cross-shaped frame aluminum substrate (12) via the copper heat-conducting connecting plates (14); the heat-dissipating aluminum fins (15) are fixedly connected to a side of the cross-shaped frame aluminum substrate (12) away from the heat-conducting copper sheets (13); the heat-conducting copper sheets (13) are clamped in the interior of the clamping groove (11) and are bonded to the silicon crystal plate (5); and the copper heat-conducting connecting plates (14) are inserted and connected to the interior of the through groove (10).

6. The ultra-thin photovoltaic module structure according to claim 5, characterized in that: A ventilation and heat dissipation groove (16) matching the heat dissipation aluminum fins (15) is formed between the mounting support (3) and the tensile reinforcement layer (7).

7. The ultra-thin photovoltaic module structure according to claim 1, characterized in that: The semi-flexible back panel (4) is composed of a plurality of reinforcing nets (17) and epoxy resin glue (18), wherein the epoxy resin glue (18) is coated on the outer surface of the reinforcing nets (17), and the reinforcing nets (17) are woven from glass fibers (19) and carbon fibers (20).

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