CN217904357U

CN217904357U - Solar photovoltaic array

Info

Publication number: CN217904357U
Application number: CN202222343440.XU
Authority: CN
Inventors: 李季
Original assignee: Shanghai Bozun Industrial Co ltd
Current assignee: Shanghai Bozun Industrial Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-25
Anticipated expiration: 2032-08-31

Abstract

The utility model belongs to the field of photovoltaic power generation systems, in particular to a solar photovoltaic array, which comprises a substrate and photovoltaic cell panels distributed on the substrate in an array manner, wherein a layer of heating panel is laminated between the substrate and each photovoltaic cell panel, the heating panel and the substrate are mutually clamped, a waterproof sealing component is packaged between two adjacent photovoltaic cell panels, and a heat conduction structure is arranged on the substrate; the waterproof sealing assembly comprises a heat-conducting silica gel layer and a rubber sealing strip, the rubber sealing strip is embedded in a gap between two adjacent photovoltaic cell panels, two sides of the top surface of the rubber sealing strip extend outwards to form pressing edges pressed on the edges of the photovoltaic cell panels, and two sides of the rubber sealing strip form sealing grooves for embedding the edges of the photovoltaic cell panels; the cladding is pasted on the heat conduction silica gel layer at rubber seal strip surface, and its both sides are outwards extended and are pasted at the base plate surface and the butt joint of heating panel tip of photovoltaic cell board bottom by rubber seal strip bottom.

Description

Solar photovoltaic array

Technical Field

The utility model relates to a photovoltaic power generation system field specifically is a solar photovoltaic array.

Background

Solar energy is an inexhaustible renewable energy source, has the advantages of sufficient cleanness, absolute safety, relative universality, reliable long service life, maintenance-free property, resource sufficiency, potential economy and the like, and has an important position in a long-term energy strategy. Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface. The solar energy power generation system mainly comprises a solar panel (assembly), a controller and an inverter, and the main components are electronic components. The solar cells are connected in series and then are packaged and protected to form a large-area solar cell module, and then the photovoltaic power generation device is formed by matching with components such as a power controller and the like.

The solar photovoltaic array is formed by splicing a plurality of photovoltaic cell panels on a substrate, absolute sealing is difficult to achieve by simply splicing and aligning the adjacent photovoltaic cell panels, and the existing waterproof scheme is that a layer of waterproof adhesive tape is pasted on a gap between the components, so that the waterproof effect is not ideal enough; and the photovoltaic cell board integration level is higher, and in the course of the work, if the heat distributes in time, this has long ago, influences its life easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar photovoltaic array to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a solar photovoltaic array comprises a substrate and photovoltaic cell panels distributed on the substrate in an array manner, wherein a layer of heat dissipation plate is attached between the substrate and each photovoltaic cell panel, the heat dissipation plates are clamped with the substrate, a waterproof sealing assembly is packaged between every two adjacent photovoltaic cell panels, and a heat conduction structure is arranged on the substrate; the waterproof sealing assembly comprises a heat-conducting silica gel layer and a rubber sealing strip, the rubber sealing strip is embedded in a gap between two adjacent photovoltaic cell panels, two sides of the top surface of the rubber sealing strip extend outwards to form pressing edges which are pressed on the edges of the photovoltaic cell panels, and two sides of the rubber sealing strip form sealing grooves for embedding the edges of the photovoltaic cell panels; the heat conduction silica gel layer is pasted and is wrapped in the outer surface of the rubber sealing strip, and the two sides of the heat conduction silica gel layer extend outwards from the bottom of the rubber sealing strip and are pasted on the surface of the substrate at the bottom of the photovoltaic cell panel and in butt joint with the end part of the heat dissipation plate.

Preferably, the first waterproof coating layer, the polyester cloth layer and the second waterproof coating layer are sequentially arranged outside the heat conduction silica gel layer on the top surface of the rubber sealing strip.

Preferably, the outer side surface of the pressing edge is of an inclined plane structure, and the top surface of the rubber sealing strip is of an inwards concave arc-shaped curved surface structure, so that a diversion trench is formed in the concave position of the integral top of the waterproof sealing assembly.

Preferably, the bottom of each heat dissipation plate is provided with a raised heat conduction fixture block, and a clamping groove for embedding each heat conduction fixture block is reserved on the substrate.

Preferably, the heat conduction structure includes the heat-conducting plate that the laminating set up in the base plate bottom surface, corresponds each draw-in groove position department on the heat-conducting plate and is provided with the heat conduction strip of embedding in the base plate respectively, and heat conduction strip top surface and draw-in groove bottom inner wall flush, in the heat conduction fixture block embedding draw-in groove and with heat conduction strip laminating contact.

Preferably, the two ends of the heat conducting plate are bent to form a first edge covering of a Contraband type structure covering the end face of the substrate, and the top of the first edge covering extends outwards and is turned over to form a second edge covering the edge of the photovoltaic cell panel.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an encapsulation waterproof sealing subassembly in the gap between the photovoltaic cell board, utilize the heat conduction silica gel layer that extends to the photovoltaic cell board bottom and the cooperation of rubber seal strip, can fully seal the gap, the seal groove of rubber seal strip side is with photovoltaic cell board border cladding, water-proof effects is good; the heat-conducting silica gel layer is encapsulated on the inner side by utilizing the first waterproof coating layer, the polyester cloth layer and the second waterproof coating layer, so that the service life of the whole waterproof sealing assembly is effectively prolonged, waterproof construction is not required to be carried out again in the whole operation period of the photovoltaic array, the times of repeated construction are greatly reduced, and secondary loss caused by water leakage is reduced; set up heat conduction structure in the base plate, the one deck heating panel of laminating between base plate and each photovoltaic cell board, heating panel and heat conduction structure cooperation can be fully with the heat derivation diffusion of photovoltaic cell board binding face, and the radiating effect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the substrate of the present invention;

fig. 3 is a schematic structural diagram of the heat conducting structure of the present invention;

fig. 4 is a schematic view of a specific structure of the heat dissipating plate of the present invention;

fig. 5 is a schematic structural diagram of the waterproof sealing assembly of the present invention;

fig. 6 is a partial schematic view of the waterproof sealing assembly of the present invention.

In the figure: 1. a substrate; 2. a photovoltaic cell panel; 3. a heat dissipation plate; 4. a heat conductive silica gel layer; 5. a rubber seal strip; 6. pressing the edges; 7. a sealing groove; 8. a diversion trench; 9. a first waterproof coating layer; 10. a polyester cloth layer; 11. a second waterproof coating layer; 12. a heat conducting fixture block; 13. a card slot; 14. a heat conducting plate; 15. second edge covering; 16. a first wrapping edge; 17. a heat conducting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: a solar photovoltaic array comprises a substrate 1 and photovoltaic cell panels 2 distributed on the substrate 1 in an array manner, wherein a layer of heat dissipation plate 3 is attached between the substrate 1 and each photovoltaic cell panel 2, the heat dissipation plates 3 are clamped with the substrate 1, a waterproof sealing assembly is packaged between every two adjacent photovoltaic cell panels 2, and a heat conduction structure is arranged on the substrate 1; the waterproof sealing assembly comprises a heat-conducting silicon rubber layer 4 and a rubber sealing strip 5, the rubber sealing strip 5 is embedded in a gap between two adjacent photovoltaic cell panels 2, two sides of the top surface of the rubber sealing strip 5 extend outwards to form pressing edges 6 pressed on the edges of the photovoltaic cell panels 2, and two sides of the rubber sealing strip 5 form sealing grooves 7 for embedding the edges of the photovoltaic cell panels 2; the heat conduction silica gel layer 4 is pasted the cladding and is in 5 surfaces of rubber sealing strip, and its both sides are outwards extended and are pasted the base plate 1 surface and the 3 tip butt joints of heating panel in the photovoltaic cell board 2 bottom by 5 bottoms of rubber sealing strip.

Further, the exterior of the heat-conducting silica gel layer 4 on the top surface of the rubber sealing strip 5 is sequentially provided with a first waterproof coating layer 9, a polyester cloth layer 10 and a second waterproof coating layer 11.

Furthermore, the outer side surface of the pressing edge 6 is set to be an inclined plane structure, and the top surface of the rubber sealing strip 5 is set to be an inwards concave arc-shaped curved surface structure, so that a diversion trench 8 is formed in the concave position at the integral top of the waterproof sealing assembly.

Furthermore, the bottom of each heat dissipation plate 3 is provided with a raised heat conducting fixture block 12, and a clamping groove 13 for each heat conducting fixture block 12 to be embedded into is reserved on the substrate 1.

Further, heat conduction structure is including laminating heat-conducting plate 14 that sets up in base plate 1 bottom surface, and the position department that corresponds each draw-in groove 13 on the heat-conducting plate 14 is provided with the heat conduction strip 17 of embedding in the base plate 1 respectively, and the top surface of heat conduction strip 17 flushes with draw-in groove 13 bottom inner wall, and heat conduction fixture block 12 imbeds in draw-in groove 13 and with the laminating contact of heat conduction strip 17.

Furthermore, two ends of the heat conducting plate 14 are bent to form a first wrapping edge 16 of a Contraband type structure wrapping the end face of the substrate 1, and the top of the first wrapping edge 16 extends outwards and is folded to form a second wrapping edge 15 wrapping the edge of the photovoltaic cell panel 2.

The working principle is as follows:

when the heat conducting structure is installed, the heat conducting structure and the substrate 1 are assembled into a whole in advance, the bottom surface of the substrate 1 is provided with embedded grooves for embedding the heat conducting strips 17 in advance, and the whole heat conducting structure is coated outside the substrate 1 so as to facilitate heat diffusion when the two ends of the substrate 1 are embedded into the first wrapping edge 16; a clamping groove 13 is reserved on the surface of the substrate 1, each heat dissipation plate 3 is assembled on the substrate 1 through a heat conduction clamping block 12 at the bottom of the heat dissipation plate, and the heat conduction clamping block 12 is embedded into the clamping groove 13 and is attached and contacted with a heat conduction strip 17; the photovoltaic cell panel 2 is fixedly installed on the heat dissipation plate 3, the waterproof sealing assemblies are synchronously arranged while the photovoltaic cell panel 2 is assembled, the heat-conducting silica gel layer 4 is adhered and coated on the outer surface of the rubber sealing strip 5, the two sides of the heat-conducting silica gel layer extend outwards from the bottom of the rubber sealing strip 5 and are adhered to the surface of the substrate 1 at the bottom of the photovoltaic cell panel 2 to be butted with the end part of the heat dissipation plate 3, the edges of the two adjacent photovoltaic cell panels 2 are clamped into a sealing groove 7 formed in the side surface of the rubber sealing strip 5, and the sides of the photovoltaic cell panels 2 are tightly pressed by the elasticity of the rubber sealing strip 5 and the heat-conducting silica gel layer 4 to form sealing; utilize first waterproof coating layer 9, polyester cloth layer 10 and second waterproof coating layer 11 to encapsulate heat conduction silica gel layer 4 in the inboard, effectively prolonged the holistic life of waterproof seal assembly, all need not to do waterproof construction once more in the whole operation period of photovoltaic array, the number of times of repeated construction that has significantly reduced has also reduced simultaneously because the secondary loss that leaks and lead to.

The heat conducting structure is arranged on the substrate 1, the heat dissipation plate 3 is attached between the substrate 1 and each photovoltaic cell panel 2, the heat dissipation plate 3 is matched with the heat conducting structure, heat of the attaching surface of each photovoltaic cell panel 2 can be fully transferred to the heat conducting strips 17 through the heat conducting clamping blocks 12, and then is conducted to the external heat conducting plate 14 through the heat conducting strips 17 to be conducted out and diffused, so that the heat dissipation effect is good; and two ends of the heat conducting plate 14 are bent to form a first wrapping edge 16 which is wrapped on the end face of the substrate 1 and has a structure of 'Contraband', the top of the first wrapping edge 16 extends outwards and is folded to form a second wrapping edge 15 wrapped on the edge of the photovoltaic cell panel 2, a circle of heat dissipation structure which is directly exposed outside is formed on the periphery of the substrate 1, and the heat dissipation efficiency is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A solar photovoltaic array comprises a substrate (1) and photovoltaic cell panels (2) distributed on the substrate (1) in an array manner, and is characterized in that a layer of heat dissipation plate (3) is attached between the substrate (1) and each photovoltaic cell panel (2), the heat dissipation plates (3) are mutually clamped with the substrate (1), a waterproof sealing assembly is packaged between every two adjacent photovoltaic cell panels (2), and a heat conduction structure is arranged on the substrate (1); the waterproof sealing assembly comprises a heat-conducting silica gel layer (4) and a rubber sealing strip (5), the rubber sealing strip (5) is embedded in a gap between every two adjacent photovoltaic cell panels (2), two sides of the top surface of the rubber sealing strip extend outwards to form pressing edges (6) pressed on the edges of the photovoltaic cell panels (2), and sealing grooves (7) for embedding the sides of the photovoltaic cell panels (2) are formed in two sides of the rubber sealing strip (5); the heat conduction silica gel layer (4) is pasted the cladding and is in rubber sealing strip (5) surface, and its both sides are outwards extended and are pasted base plate (1) surface and heating panel (3) tip butt joint in photovoltaic cell board (2) bottom by rubber sealing strip (5) bottom.

2. The solar photovoltaic array of claim 1, wherein: the heat conduction silica gel layer (4) of rubber seal strip (5) top surface outside has set gradually first waterproof coating layer (9), polyester cloth layer (10) and second waterproof coating layer (11).

3. The solar photovoltaic array of claim 1, wherein: the outer side surface of the pressing edge (6) is of an inclined plane structure, and the top surface of the rubber sealing strip (5) is of an inwards concave arc-shaped curved surface structure, so that a diversion trench (8) is formed in the concave position at the integral top of the waterproof sealing assembly.

4. The solar photovoltaic array of claim 1, wherein: the bottom of each heat dissipation plate (3) is provided with a raised heat conduction clamping block (12), and a clamping groove (13) for embedding each heat conduction clamping block (12) is reserved on the substrate (1).

5. The solar photovoltaic array of claim 1, wherein: the heat conduction structure is including laminating heat-conducting plate (14) that sets up in base plate (1) bottom surface, corresponds each draw-in groove (13) position punishment on heat-conducting plate (14) and is provided with heat conduction strip (17) of embedding in base plate (1) respectively, and heat conduction strip (17) top surface flushes with draw-in groove (13) bottom inner wall, in heat conduction fixture block (12) embedding draw-in groove (13) and with heat conduction strip (17) laminating contact.

6. The solar photovoltaic array of claim 5, wherein: the two ends of the heat conducting plate (14) are bent to form a first wrapping edge (16) which is wrapped on the Contraband-shaped structure on the end face of the substrate (1), and the top of the first wrapping edge (16) extends outwards and is folded to form a second wrapping edge (15) wrapped on the edge of the photovoltaic cell panel (2).