CN218006178U - Photovoltaic module - Google Patents

Abstract

The utility model provides a photovoltaic module, which comprises a laminated part and a frame body connected to the periphery of the laminated part, wherein the frame body comprises a first frame; the first frame is close to a drainage channel formed between the side wall of the laminated part and the first side wall of the laminated part, one end of the drainage channel is flush with the second side wall of the laminated part, and the other end of the drainage channel is flush with the third side wall of the laminated part; the second and third sidewalls are adjacent to the first sidewall, respectively. The photovoltaic module of this embodiment, the dust in photovoltaic module panel corner all can be discharged in rushing towards drainage channel, has strengthened the effect of photovoltaic module clearance dust, has promoted the ability of photovoltaic module dust prevention. Meanwhile, due to the existence of the frame body around the photovoltaic assembly, the rigidity of the whole structure of the photovoltaic assembly is ensured, the edge of the laminating piece is prevented from warping and deforming, and the internal cell pieces are prevented from being hidden and cracked.

Description

Photovoltaic module

Technical Field

The utility model relates to a photovoltaic module technical field especially relates to a photovoltaic module.

Background

The photovoltaic module is a core unit of a photovoltaic power generation system, the core unit of the photovoltaic module is a photovoltaic laminate manufactured by a lamination process, and usually, a metal frame body needs to be connected around the photovoltaic laminate to ensure the firmness of the photovoltaic module. However, in long-term application, the frame of the photovoltaic module is easy to accumulate dust, and the power generation capacity of the photovoltaic module is affected.

In order to avoid dust accumulation of the photovoltaic module, the photovoltaic module without a frame body appears in the industry, but the rigidity of the photovoltaic module without the frame body is insufficient, and the edge part is easy to warp and deform, so that the hidden crack of the cell is caused. With the continuous improvement of the technology, the form of arranging the water leakage holes on the frame body of the photovoltaic module appears, and dust on the frame body is washed away by rainwater. However, the dust at the corner of the frame or at the position far away from the water leakage hole is difficult to be effectively removed, the dust removal dead angle area is more, the dust removal effect is poorer, and the power generation amount of the photovoltaic module cannot be better improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a photovoltaic module to at least, solve the unable problem that satisfies rigidity and effective dust proof of current photovoltaic module.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model discloses a photovoltaic module, which comprises a laminating part and a frame body connected to the periphery of the laminating part, wherein the frame body comprises a first frame; the first frame forms a drainage channel close to the side wall of the laminated piece and between the side wall of the laminated piece and the first side wall of the laminated piece, one end of the drainage channel is flush with the second side wall of the laminated piece, and the other end of the drainage channel is flush with the third side wall of the laminated piece; the second and third sidewalls are adjacent to the first sidewall, respectively.

Optionally, the drainage channel is a hollowed-out channel, and water in the hollowed-out channel is discharged in a direction perpendicular to the laminate panel.

Optionally, the drainage channel is a channel-shaped channel, a bottom of the channel-shaped channel is arranged along a direction parallel to the laminate panel, and two sides of the bottom of the channel are respectively abutted with the first frame and the first side wall; and water flow in the groove-shaped channel flows to the water outlet along the groove bottom and is discharged.

Optionally, the size of the drainage channel in a direction perpendicular to the laminate first side wall is no more than one-half the size of the first rim.

Optionally, the first side wall of the laminate is coated with a water barrier layer.

Optionally, the lamination piece and the frame body are rectangular, the first side wall is a side wall with a shorter size in the lamination piece, and the first frame is a frame with a shorter size in the frame body.

Optionally, the photovoltaic module further comprises a clip; the clamping piece is fixedly connected with the first frame and used for clamping and fixing the laminating piece.

Optionally, the clamping member is disposed at a middle position of the first frame.

Optionally, the surface of the clamp facing the laminate is curved or pointed.

Optionally, in the thickness direction of the laminate, an upper surface of the clip is flush with an edge of the first bezel, the upper surface being a surface of the clip near the laminate panel.

Compared with the prior art, photovoltaic module have following advantage:

the utility model provides a photovoltaic module, when rainy day, the dust of collecting together on the panel can be washed to drainage channel by the rainwater in, outside drainage channel discharge photovoltaic module. Because the both ends of drainage channel are respectively with second lateral wall and third lateral wall parallel and level for the dust in panel corner all can be discharged in being washed drainage channel, has strengthened the effect of photovoltaic module clearance dust, has promoted photovoltaic module dust proof's ability. Meanwhile, due to the existence of the frame body around the photovoltaic assembly, the rigidity of the whole structure of the photovoltaic assembly is ensured, the edge of the laminating piece is prevented from warping and deforming, and the internal cell pieces are prevented from being hidden and cracked.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of a photovoltaic module according to the present embodiment;

FIG. 2 is a partially enlarged view of a photovoltaic module according to the present embodiment;

FIG. 3 is a schematic view of a drainage channel of a photovoltaic module according to the present embodiment;

FIG. 4 is a schematic view of a drainage channel of the present embodiment being a hollow channel;

FIG. 5 is a schematic view of a channel in which the drainage channel is a trough-type channel in the present embodiment;

FIG. 6 is a side view of a channel in which one of the drainage channels is a trough-type channel in the present embodiment;

FIG. 7 is a cross-sectional view of the present embodiment taken along the clamping member;

fig. 8 is a schematic view showing the position of a holding member in the present embodiment.

Description of reference numerals:

1-a laminated piece, 11-a first side wall, 12-a second side wall, 13-a third side wall, 2-a frame body, 21-a first frame, 3-a drainage channel, 31-a groove bottom, 32-a drainage port, 4-a waterproof layer and 5-a clamping piece.

Detailed Description

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

The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that embodiments of the invention can be practiced in sequences other than those illustrated or described herein, and the terms "first," "second," and the like are generally used herein in a generic sense without limitation to the number of terms, e.g., the first term can be one, or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrase "in one embodiment" appearing in various places throughout the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The present invention provides a photovoltaic module, which is described in detail below by exemplifying specific embodiments.

Referring to fig. 1 to 3, the photovoltaic module includes a laminate 1 and a frame 2 connected around the laminate 1, the frame 2 includes a first frame 21; the first frame 21 forms a drainage channel 3 between the side wall of the laminated piece and the first side wall 11 of the laminated piece 1, one end of the drainage channel 3 is flush with the second side wall 12 of the laminated piece 1, and the other end is flush with the third side wall 13 of the laminated piece 1; the second side wall 12 and the third side wall 13 are adjacent to the first side wall 11, respectively.

Specifically, as shown in fig. 1, the laminated member 1 is generally made of a panel, a film layer, a battery sheet layer, a back plate, and the like through a lamination process, a metal frame 2 made of an aluminum alloy frame 2 or other materials is fixedly connected around the laminated member 1, the periphery of the edge of the laminated member 1 is protected, the overall structural rigidity of the laminated member 1 is increased, and the hidden crack of the battery sheet layer in the laminated member 1 caused by the buckling deformation of the edge of the laminated member 1 is avoided. The metal frame body 2 is generally surrounded by four frames, as shown in fig. 2 to 4, in this embodiment, a first frame 21 of the four frames forms a drainage channel 3 near between the side wall of the lamination member 1 and the first side wall 11 of the lamination member 1, and water flow on the surface of the lamination member 1 can be drained through the drainage channel 3. Preferably, the first frame 21 is a frame close to the ground in the frame body 2, the photovoltaic module is usually placed in an inclined manner in an operating state, and the first frame 21 is a frame with the lowest height closest to the ground in the inclined state of the photovoltaic module, so that water flow can conveniently flow out. The other frames except the first frame 21 in the four frames can be not changed, the processing technology does not need to be changed, and the processing cost of the photovoltaic module is effectively saved. One end of the drain channel 3 is flush with the second side wall 12 of the laminate 1 and the other end is flush with the third side wall 13 of the laminate 1. It should be noted that the laminated member 1 is generally rectangular, and includes an upper surface, a lower surface and four side walls, the upper surface is a panel of the laminated member 1, the lower surface is a back panel of the laminated member 1, and the four side walls are respectively connected with the panel and the back panel, in this embodiment, the second side wall 12 and the third side wall 13 of the four side walls are side walls adjacent to the first side wall 11, that is, the second side wall 12 and the third side wall 13 are fixedly connected with the first vertical, the drainage channel 3 is formed between the first side wall 11 and the first frame 21, and two ends of the drainage channel 3 are respectively flush with the second side wall 12 and the third side wall 13, so as to ensure sufficient drainage space.

When the photovoltaic module is used for a long time, dust is easily accumulated on the panel, and the dust can influence the power generation amount of the photovoltaic module, so that the photoelectric conversion efficiency of the photovoltaic module is reduced. In the photovoltaic module of the present embodiment, in rainy days, dust accumulated on the panel is flushed into the drainage channel 3 by rainwater and discharged out of the photovoltaic module through the drainage channel 3. Because the both ends of drainage channel 3 respectively with second lateral wall 12 and third lateral wall 13 parallel and level for the dust in panel corner all can be discharged in being washed drainage channel 3, has strengthened the effect of photovoltaic module clearance dust, has promoted the ability of photovoltaic module dust prevention. Meanwhile, due to the existence of the frame body 2 around the photovoltaic assembly, the overall structural rigidity of the photovoltaic assembly is ensured, the edge of the laminating piece 1 is prevented from warping and deforming, and the internal cell pieces are prevented from being hidden and cracked.

Alternatively, referring to fig. 4, the drainage channel 3 is a hollow channel, and water in the hollow channel is discharged in a direction perpendicular to the panel of the lamination member 1.

Specifically, the drainage channel 3 is a hollow channel, penetrates through the bottom surface of the first frame 21, and is equivalent to a gap capable of draining water is arranged between the side wall of the first frame 21 close to the laminating part 1 and the first side wall 11 of the laminating part 1, and water flow on the photovoltaic module panel flows to the back plate side of the photovoltaic module through the gap along the direction perpendicular to the panel of the laminating part 1 to be discharged. For example, if the photovoltaic module is obliquely placed on the ground, water flow on the panel of the photovoltaic module can directly flow to the ground through the gap, so that water in the photovoltaic module is discharged. The drainage mode drainage space of this embodiment is big, and is fast, can avoid piling up of heavy rain weather rainwater, makes the photovoltaic module panel resume dry state fast.

Alternatively, with reference to fig. 5 and 6, the drainage channels 3 are channel-shaped channels, the bottom 31 of which is arranged in a direction parallel to the panel of the laminate 1, the two sides of the bottom 31 abutting the first rim 21 and the first side wall 11, respectively; the two ends of the first frame 21 are provided with water outlets 32, and water in the groove-shaped channel flows to the water outlets 32 along the groove bottom 31 and is discharged.

Specifically, the drainage channels 3 are groove-shaped channels, which do not penetrate through the bottom surface of the first frame 21, corresponding to one drainage groove being provided between the first frame 21 and the first side wall 11 of the laminate 1, fig. 5 shows a schematic view in a direction perpendicular to the panel of the laminate 1, it is seen that the groove bottom 31 of the groove-shaped channels is provided in a direction parallel to the panel of the laminate 1, fig. 6 shows a schematic view in an extending direction of the groove-shaped channels, it is seen that both sides of the groove bottom 31 abut against the side wall of the first frame 21 near the laminate 1 and the first side wall 11 of the laminate 1, respectively. In the case that the drainage channel 3 is a groove-shaped channel, drainage openings 32 are formed at two ends of the first frame 21, two ends of the groove-shaped channel are connected to the drainage openings 32, and water flow of the photovoltaic module panel flows to the drainage openings 32 along the groove bottom 31 of the groove-shaped channel and is drained, as shown by the arrow direction in fig. 5. For example, if the photovoltaic module is placed on the ground in an inclined manner, the water on the panel of the photovoltaic module flows into the groove-shaped channel first, then flows to the water outlet 32 along the bottom 31 of the groove-shaped channel, and then flows to the ground through the water outlet 32, so as to discharge the water in the photovoltaic module. The drainage mode of this embodiment goes out the water position and is located first frame 21 both sides, and rivers can not pollute the below ground of photovoltaic module back plate side, and is less to the pollution degree around the photovoltaic module, has also protected environmental resource when realizing the photovoltaic module deashing.

Optionally, the size of the drainage channels 3 in a direction perpendicular to the first side wall 11 of the laminate 1 is not more than half the size of the first rim 21.

Specifically, the size of the drainage channel 3 in the direction perpendicular to the first side wall 11 of the laminate 1 is not more than half of the size of the first frame 21, so as to ensure the rigidity of the first frame 21, and avoid the first frame 21 being broken by water in the drainage channel 3, which results in the structural damage of the frame body 2 and affects the overall rigidity of the photovoltaic module.

Optionally, referring to fig. 3 to 5, the first side wall 11 of the laminate 1 is coated with a water barrier layer 4.

Specifically, first lateral wall 11 cladding of lamination piece 1 has waterproof layer 4, and waterproof layer 4 can be made by waterproof materials such as silica gel, rubber, resin, and the cladding plays the guard action to first lateral wall 11 on first lateral wall 11, avoids the rainwater to cause the influence from first lateral wall 11 infiltration lamination piece 1 inside to battery piece layer's performance.

Optionally, the laminated member 1 and the frame 2 are rectangular, the first side wall 11 is a side wall with a shorter size in the laminated member 1, and the first frame 21 is a frame with a shorter size in the frame 2.

Specifically, in a general case, the lamination member 1 and the frame body 2 are both rectangular structures, the first side wall 11 is a side wall with a shorter size in the lamination member 1, and the first frame 21 is a frame with a shorter size in the frame body 2, which is equivalent to the drainage channel 3 arranged at the edge with a shorter size in the photovoltaic module, and the edge with a longer size can be left unchanged, so that the processing cost of the photovoltaic module can be saved, and the overall rigidity of the photovoltaic module can be ensured.

Optionally, with reference to fig. 2 and 7, the photovoltaic module further comprises a clip 5; the clamping piece 5 is fixedly connected with the first frame 21 and used for clamping and fixing the laminated part 1.

Specifically, the clamping member 5 may be an independent rigid structure, and is fixedly connected to the first frame 21 by welding, clamping, bolting, or the like, the clamping member 5 may also be an integrally formed structure with the first frame 21, and is directly formed by extending the first frame 21 in the direction of the laminating member 1, fig. 7 is a schematic cross-sectional view cut along the clamping member 5, it can be seen that the clamping member 5 is connected to the first frame 21 for clamping and fixing the laminating member 1, and in order to achieve a better clamping effect, the clamping member 5 may be disposed on two opposite sides of the first frame 21. Illustratively, one clamping member 5 can be located on the panel side of the photovoltaic module, the other clamping member 5 can be located on the back panel side of the photovoltaic module, and the clamping members 5 on the two sides cooperate with each other to realize effective clamping of the laminating member 1, so as to improve the stability of the photovoltaic module. Of course, the number of the clamp 5 may be plural as long as the drainage of the drainage passage 3 is not affected.

Alternatively, referring to fig. 7 and 8, the clamping member 5 is located at a middle position of the first frame 21.

Particularly, the clamping members 5 are located in the middle of the first frame 21, and if the number of the clamping members is large, the clamping members uniformly diffuse outwards from the middle, so that the laminating member 1 is clamped and fixed, the uniform stress of the laminating member 1 can be ensured, and the overall stability of the photovoltaic module is met to the greatest extent.

Alternatively, referring to fig. 7 and 8, the surface of the clamping member 5 facing the laminate 1 is curved or pointed.

Specifically, the surface of the clamping member 5 facing the laminated member 1 is arc-shaped or pointed, for example, the clamping member 5 can be arc-shaped block or triangular block, etc., when rainwater flows along the panel of the photovoltaic module to the drainage channel 3, the arc-shaped or pointed structure on the clamping member 5 can reduce the resistance when rainwater flows downwards, so that dust in the rainwater can be more easily washed away.

Alternatively, referring to fig. 7, in the thickness direction of the laminated member 1, the upper surface of the clamping member 5 is flush with the edge of the first frame 21, and the upper surface is the surface of the clamping member 5 away from the laminated member 1.

Specifically, along lamination piece 1 thickness direction, the upper surface of holder 5 and the marginal parallel and level of first frame 21, the upper surface be the holder 5 near lamination piece 1 panel side's surface, the upper surface is the marginal parallel and level of first frame 21, can prevent to save rainwater between holder 5 and the first frame 21 to avoid causing corruption or damage to first frame 21 in the long-term use, promote the life of first frame 21.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include", "including" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or terminal device including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article, or terminal device. Without further limitation, an element defined by the phrases "comprising one of \ 8230; \8230;" does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A photovoltaic module comprising a laminate and a frame attached around the laminate, wherein the frame comprises a first border;

the first frame forms a drainage channel close to the side wall of the laminated piece and between the side wall of the laminated piece and the first side wall of the laminated piece, one end of the drainage channel is flush with the second side wall of the laminated piece, and the other end of the drainage channel is flush with the third side wall of the laminated piece;

the second and third sidewalls are adjacent to the first sidewall, respectively.

2. The photovoltaic module of claim 1, wherein the drainage channels are hollowed-out channels, and water in the hollowed-out channels is drained in a direction perpendicular to the laminate panel.

3. The photovoltaic module of claim 1 wherein the drainage channels are channel-shaped channels having a channel bottom disposed in a direction parallel to the laminate panel, the channel bottom having two sides abutting the first rim and the first sidewall, respectively;

and water flow in the groove-shaped channel flows to the water outlet along the groove bottom and is discharged.

4. The photovoltaic module of claim 1, wherein the drainage channel has a dimension in a direction perpendicular to the laminate first sidewall that is no more than one-half of a dimension of the first rim.

5. The photovoltaic assembly of claim 1, wherein the first sidewall of the laminate is coated with a water-resistant layer.

6. The photovoltaic module of claim 1, wherein the laminate and the frame are rectangular, the first sidewall is a shorter dimension sidewall of the laminate, and the first border is a shorter dimension border of the frame.

7. The photovoltaic module of claim 1, further comprising a clip;

the clamping piece is fixedly connected with the first frame and used for clamping and fixing the laminating piece.

8. The photovoltaic module of claim 7, wherein the clip is disposed at a middle position of the first rim.

9. The photovoltaic module of claim 7 wherein the surface of the clip facing the laminate is curved or pointed.

10. The photovoltaic module of claim 7, wherein an upper surface of the clip is flush with an edge of the first rim in the laminate thickness direction, the upper surface being a surface of the clip proximate the laminate panel.

Images