CN216216726U - Reduce photovoltaic module of deposition - Google Patents

Abstract

The utility model belongs to the technical field of photovoltaic power generation, and discloses a photovoltaic module capable of reducing dust deposition. This reduce photovoltaic module of deposition includes frame and lamination piece, at least one edge of lamination piece is equipped with first inclined plane structure, first inclined plane structure extends along the length direction at this edge, the frame includes the storage tank, the edge mounting in the storage tank of lamination piece, the storage tank is configured to install behind the storage tank when the edge of the lamination piece that is equipped with first inclined plane structure, the front plane of lamination piece is located the coplanar with the top terminal surface of frame, the front plane is the sensitive surface, can reduce photovoltaic module's deposition degree, avoid appearing serious local deposition phenomenon, improve photovoltaic module's generating efficiency and security performance.

Description

Reduce photovoltaic module of deposition

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic module capable of reducing dust deposition.

Background

At present, photovoltaic power generation is clean and environment-friendly, and in order to ensure the solar light projection rate, the surface of a photovoltaic module must be clean so as to emit more electric energy. Photovoltaic module is because using in the open air throughout the year, must face the wind and shine, consequently the most common problem is that the dust shelters from, and the dust on photovoltaic module surface can directly reduce the light that reaches photovoltaic module, and then influences photovoltaic module's generated energy and heat dissipation, moreover, because the different physics of different dusts, chemical properties for long-term accumulation and after the rainwater erodees, the dust is gathered near photovoltaic module's a side frame easily, causes the photovoltaic cell in this region to be sheltered from by thick dust, leads to the hot spot effect.

In order to solve the problems, the conventional dust handling method is to use manual work or machines to clean periodically, but the cost of the method is high, the cleaning effect is not obvious in some areas with frequent sand and dust climate, particularly, with the development of photovoltaic building integration, a photovoltaic product is applied to a building, because the building environment has uncertainty on the gradient, for example, many conditions of tiling and small-angle installation exist, and the photovoltaic module is difficult to clean and construct in the building environment, the power generation amount of the photovoltaic module is greatly reduced, and even potential safety hazards are caused by local dust collection.

SUMMERY OF THE UTILITY MODEL

According to one aspect of the utility model, the utility model provides a photovoltaic module capable of reducing dust deposition, which can reduce the dust deposition degree of the photovoltaic module, avoid serious local dust deposition phenomenon and improve the power generation efficiency and safety performance of the photovoltaic module.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a photovoltaic module with reduced dust deposition comprises a frame and a laminated part,

at least one edge of the laminated part is provided with a first inclined surface structure, the first inclined surface structure extends along the length direction of the edge, the frame comprises a containing groove, the edge of the laminated part is installed in the containing groove, the containing groove is configured in such a way that after the edge of the laminated part provided with the first inclined surface structure is installed in the containing groove, the front plane of the laminated part and the top end surface of the frame are located on the same plane, and the front plane is a light receiving surface.

Optionally, the laminated member includes a front plate, a battery plate, and a back plate, the front plate, the battery plate, and the back plate are sequentially stacked, and a front plane of the front plate is a light receiving surface.

Optionally, at least one edge of the front plate is provided with the first slope structure.

Optionally, the length of the front plate is smaller than the lengths of the battery plate and the back plate, and/or the width of the front plate is smaller than the widths of the battery plate and the back plate.

Optionally, the slope structure extends from the front plane of the front plate to the front plane of the back plate.

Optionally, an insulating film is provided between the laminate and the frame.

Optionally, a second inclined plane structure is arranged on the frame structure, and the second inclined plane structure is attached to the first inclined plane structure.

Optionally, the accommodating groove is connected with the laminated piece through silica gel or adhesive tape.

Optionally, the frame is made of aluminum alloy, organic material or steel alloy.

Optionally, the material of the front plate and/or the back plate is glass.

The utility model has the beneficial effects that:

through setting up first inclined plane structure at least one edge of lamination piece, first inclined plane structure extends along the length direction at this edge, after the lamination piece is installed in the storage tank of frame, the top end face of the frame that links to each other with the edge of the lamination piece that is equipped with first inclined plane structure is located the coplanar with the front plane of lamination piece, the dust of being convenient for flows from the frame, reduce the degree of deposition, avoid serious deposition phenomenon, avoid the dust to shelter from light, and then improve above-mentioned photovoltaic module's that reduces the deposition generating capacity and the security performance.

Drawings

FIG. 1 is a first schematic structural view of a photovoltaic module with reduced deposition of dust according to the present invention;

FIG. 2 is a schematic structural diagram II of a photovoltaic module with reduced deposition of dust according to the present invention;

FIG. 3 is a first schematic structural view of a laminate provided by the present invention;

FIG. 4 is a second schematic structural view of a laminate provided by the present invention;

FIG. 5 is a third schematic structural view of a photovoltaic module with reduced deposition of dust according to the present invention.

In the figure:

100. a frame; 110. a containing groove; 120. a second bevel structure; 200. a laminate; 210. a first bevel structure; 220. a positive plate; 230. a battery plate; 240. a back plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the prior art, a photovoltaic module comprises a laminating part and a frame, wherein the laminating part comprises a front plate, a clamping adhesive, a power generation battery, a back plate and other structures, the frame wraps the periphery of the laminating part to improve the mechanical performance of the photovoltaic module, the upper surface of the frame is higher than the laminating part, and when the photovoltaic module is horizontally installed or installed at a small inclination angle, the frame protrudes to cause that accumulated water on the laminating part cannot be discharged, so that the phenomenon of dust accumulation of the laminating part is caused, the light receiving surface of the part of the laminating part is blocked under the serious condition, and the problems of reduction of the power generation efficiency and hot spots of the photovoltaic module are caused.

In view of the above problems, in an embodiment of the present invention, there is provided a photovoltaic module for reducing dust deposition, as shown in fig. 1, the photovoltaic module for reducing dust deposition includes a frame 100 and a laminate 200, wherein at least one edge of the laminate 200 is provided with a bevel structure, the bevel structure is arranged along a length direction of the edge, according to actual needs, the bevel structure may be arranged on one edge of the laminate 200, or the bevel structures may be arranged on two edges, three edges, or four edges of the laminate 200, the frame 100 includes a receiving groove 110, the receiving groove 110 is used for receiving the laminate 200, when the edge provided with the bevel structure is installed in the receiving groove 110, a top end surface of the frame 100 is located on the same plane as a front plane of the laminate 200, and the front plane of the laminate 200 is a light receiving surface.

Through setting up the inclined plane structure at the edge of lamination piece 200 to make storage tank 110 on the frame 100 and lamination piece 200 assembly back, the top terminal surface of frame 100 is located the coplanar with the positive plane of lamination piece 200, avoids frame 100 to block the dust outflow on the lamination piece 200, and then reduces the deposition on the lamination piece 200, avoids the deposition to influence the photic area of lamination piece 200, and then improves the above-mentioned photovoltaic module's that reduces the deposition generated power, avoids the emergence of hot spot phenomenon.

Further, the laminate 200 includes a front plate 220, a cell plate 230 and a back plate 240, wherein the front plate 220, the cell plate 230 and the back plate 240 are sequentially stacked, the front plate 220, the cell plate 230 and the back plate 240 can be connected by gluing, and a front plane of the front plate 220 is a light receiving plane for receiving sunlight. In one embodiment, the material of the front plate 220 and the back plate 240 may be glass; in another embodiment, the material of the front plate 220 and the back plate 240 may be an organic material; in other embodiments, the material of the front plate 220 and the back plate 240 may also be other transparent materials, and may be set according to actual needs.

Further, the thickness of the face sheet 220 is relatively large, and in one embodiment, with continued reference to fig. 1, the beveled configuration may be formed by grinding or using a mold cast or the like to angle the edges of the face sheet 220 with the side walls of the laminate 200 and the front plane of the face sheet 220.

Further, in another embodiment, as shown in fig. 2, the first slope structure 210 provided on the front plate 220 includes an inclined portion and a horizontal portion, the horizontal portion being parallel to the battery panel 230 and the back plate 240, one end of the inclined portion being connected to the horizontal portion, and the other end being connected to the front plane of the front plate 220; in other embodiments, the first slope structure 210 may have other shapes, and it is within the scope of the present application as long as the structure can ensure that the top end surface of the bezel 100 and the front plane of the laminate 200 are in the same plane.

Specifically, with reference to fig. 2, in an embodiment, the photovoltaic module for reducing dust deposition is in a horizontal state, the top end surface of the frame 100 and the front plane of the front plate 220 are located at the same horizontal plane, the laminated part 200 is connected to the accommodating groove 110, and the laminated part 200 and the accommodating groove 110 can be connected by using silica gel or an adhesive tape, so that the connection strength between the laminated part 200 and the accommodating groove 110 can be improved, the reliability of the operation of the frame 100 is ensured, and a gap exists between the accommodating groove 110 and the laminated part 200, on one hand, the gap can store excess silica gel, and the condition that the appearance of the photovoltaic module for reducing dust deposition is affected by the silica gel overflowing the accommodating groove 110 is avoided; on the other hand, when the photovoltaic module with reduced dust accumulation is stressed, the edge of the laminated part 200 has weaker mechanical property, so the gap can reduce the stress between the side wall of the laminated part 200 and the frame 100, and further avoid the stress damage of the laminated part 200.

Further, the thickness of the front plate 220 is smaller, at this time, the edge structure of the front plate 220 is more complex, the processing difficulty is greater, and the processing effect is not good, in an embodiment, as shown in fig. 3, the length of the front plate 220 may be smaller than the lengths of the battery panel 230 and the back plate 240, because the length of the front plate 220 is smaller, the side wall of the front plate 220, the edges of the battery panel 230 and the back plate 240 are step structures, at this time, the step structures are just bevel structures, and some simple processing may be performed on the side wall of the front plate 220 to improve the connection effect with the frame 100; in another embodiment, the width of the front plate 220 may be smaller than the widths of the cell panel 230 and the back plate 240, and since the width of the front plate 220 is smaller, the side wall of the front plate 220, the edges of the cell panel 230 and the back plate 240 are step structures, and at this time, the step structures are just bevel structures, so that some simple processing can be performed on the side wall of the front plate 220 to improve the connection effect with the frame 100; in other embodiments, the length and width of the front plate 220 may be smaller than the widths of the cell plate 230 and the back plate 240, and may be set according to actual needs.

Further, an insulating film may be disposed between the laminate 200 and the frame 100, on one hand, since the length of the front plate 220 is smaller than the lengths of the cell panel 230 and the back plate 240, and/or the width of the front plate 220 is smaller than the widths of the cell panel 230 and the back plate 240, the edge portion of the cell panel 230 may be exposed, and disposing the insulating film between the laminate 200 and the frame 100 may improve the insulating performance of the laminate 200, avoid the surface of the laminate 200 being charged due to the exposed cell panel 230, and improve the safety performance of the photovoltaic module with reduced dust deposition; on the other hand, when there is a risk of electrical leakage at the edge of the laminate 200, an insulating film may be provided at the edge of the laminate 200 and the bezel 100. In one embodiment, considering that the cell plate 230 and the back plate 240 are stacked and the cell plate 230 and the back plate 240 have a small thickness, in order to facilitate the arrangement of the insulating film, the insulating film may be wrapped around the cell plate 230 and the portion of the back plate 240 that extends out of the front plate 220, so as to ensure the insulating performance of the laminate 200.

Preferably, in one embodiment, the insulating film may be connected to the cell plate 230 by adhesion, and since the insulating film is thin, the adhesion enables the insulating film to be well attached to the cell plate 230, and the adhesion process is simple and convenient to process.

Further, as shown in fig. 4, the edges of the front plate 220, the cell plate 230 and the back plate 240 may be processed to make the bevel structure extend from the front plane of the front plate 220 to the front plane of the back plate 240, which is convenient to process and does not need to worry about damaging the cell plate 230 during the processing.

Preferably, as shown in fig. 5, in an embodiment, the top end surface of the frame 100 may be disposed obliquely, the oblique direction is the same as the oblique direction of the slope structure, and the highest point of the top end surface of the frame 100 may be located on the same plane as the front plane of the front plate 220, which can facilitate the outflow of the dust deposited on the laminated part 200, reduce the dust deposition degree of the laminated part 200, further improve the power generation efficiency of the photovoltaic module with reduced dust deposition, and avoid the occurrence of hot spot phenomenon.

Preferably, in an embodiment, the frame 100 may be made of an aluminum alloy material, which is light in weight, easy to mold, convenient to process, good in strength, capable of bearing a high load, good in insulating property, capable of ensuring the insulating property of the photovoltaic module with reduced dust deposition, corrosion-resistant, free from failure even if operated in a severe environment for a long time, and long in service life; in other embodiments, the frame 100 may be made of an organic material or a steel alloy, and may be selected according to actual needs.

Preferably, the second inclined plane structure 120 may be disposed on the frame 100, so that the second inclined plane structure 120 is attached to the first inclined plane structure 210, which can increase the connection area between the frame 100 and the lamination piece 200 and improve the connection performance between the frame 100 and the lamination piece 200; on the other hand, when the surface of the photovoltaic module with reduced dust deposition is stressed, the stress position of the joint of the frame 100 and the lamination member 200 is mainly concentrated in the thicker area of the front plate 220, so that the load-carrying performance of the photovoltaic module with reduced dust deposition can be improved.

According to the photovoltaic module, the first inclined plane structure 210 is arranged, and the height of the frame 100 is adjusted at the same time, so that the top end surface of the frame 100 and the front plane of the laminated part 200 are located on the same plane, the frame 100 is prevented from blocking the outflow of dust, the dust deposition degree of the laminated part 200 is reduced, and the power generation power and the safety performance of the photovoltaic module with the dust deposition reduced are improved. By providing the second slope structure 120, the connection strength between the laminate 200 and the bezel 100 can be improved, and the load bearing capability of the laminate 200 can be improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A photovoltaic module with reduced dust deposition, comprising a frame (100) and a laminate (200), characterized in that,

at least one edge of the laminated part (200) is provided with a first inclined plane structure (210), the first inclined plane structure (210) extends along the length direction of the edge, the frame (100) comprises a containing groove (110), the edge of the laminated part (200) is installed in the containing groove (110), the containing groove (110) is configured in such a way that after the edge of the laminated part (200) provided with the first inclined plane structure (210) is installed in the containing groove (110), the front plane of the laminated part (200) and the top end surface of the frame (100) are positioned on the same plane, and the front plane is a light receiving surface.

2. The photovoltaic module of claim 1, wherein the laminate (200) comprises a front plate (220), a cell plate (230), and a back plate (240), the front plate (220), the cell plate (230), and the back plate (240) are sequentially stacked, and a front plane of the front plate (220) is a light receiving plane.

3. The photovoltaic module of claim 2, wherein at least one edge of the positive plate (220) is provided with the first bevel structure (210).

4. The photovoltaic module of claim 3, wherein the length of the front plate (220) is less than the length of the cell plate (230) and the back plate (240), and/or the width of the front plate (220) is less than the width of the cell plate (230) and the back plate (240).

5. The soot deposition reducing photovoltaic module of claim 2, wherein the bevel structure extends from a front plane of the front sheet (220) to a front plane of the back sheet (240).

6. Photovoltaic module with reduced dust deposition according to any of claims 1 to 5, characterized in that an insulating film is provided between the laminate (200) and the frame (100).

7. The photovoltaic module according to any of claims 1 to 5, wherein a second slope structure (120) is disposed on the frame (100) structure, and the second slope structure (120) is attached to the first slope structure (210).

8. The photovoltaic module with reduced dust deposition as claimed in claim 1, wherein the accommodating groove (110) is connected with the laminated member (200) by silica gel or adhesive tape.

9. The photovoltaic module with reduced soot deposition as claimed in claim 1, wherein the frame (100) is made of aluminum alloy, organic material or steel alloy.

10. The reduced soot photovoltaic module of claim 2, wherein the front sheet (220) and/or the back sheet (240) are made of glass or an organic material.

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