CN219268795U - Photovoltaic system - Google Patents

Abstract

The utility model discloses a photovoltaic system, relates to the technical field of photovoltaics, and aims to solve the problems that the strength of a frame is damaged due to the fact that the frame is provided with mounting holes, the load of a photovoltaic module is reduced, and then the quality of the photovoltaic module is reduced. The photovoltaic system includes: laminates, optimizers, and photovoltaic bezels. The optimizer has a clamping and fixing space, and the photovoltaic frame comprises a frame body, a first clamping piece and a second clamping piece. The frame body is provided with a mounting groove for clamping and fixing the laminated piece. One end of the first clamping piece is arranged on the frame body and protrudes out of the frame body. One end of the second clamping piece is arranged on the frame body, and the second clamping piece protrudes out of the frame body. The first clamping piece is located between the second clamping piece and the lamination piece, and a clamping space is formed between the first clamping piece and the second clamping piece and used for clamping and fixing the optimizer. And in the first position state, the clamping space clamps and fixes the optimizer. And in the second position state, the clamping and fixing space clamps and fixes the second clamping piece.

Description

Photovoltaic system

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a photovoltaic system.

Background

In order to improve the power generation efficiency of the photovoltaic modules, an optimizer is generally installed on the photovoltaic modules, and the maximum power of each photovoltaic module is managed in real time through the optimizer so as to improve the power generation capacity of the photovoltaic system. The optimizer generally includes a connector and an optimizer body, and the photovoltaic module generally includes a laminate and a frame mounted around the laminate.

In the prior art, a mounting hole for mounting a bolt is usually formed in a frame, then a connecting piece is connected with the frame through bolt fastening, and an optimizer is mounted on a photovoltaic module.

However, since the mounting holes are formed in the frame, the strength of the frame is damaged, so that the load of the photovoltaic module is reduced, and the quality of the photovoltaic module is further reduced.

Disclosure of Invention

The utility model aims to provide a photovoltaic system which is used for ensuring the quality of a photovoltaic module when an optimizer is assembled with a frame.

In order to achieve the above object, the present utility model provides a photovoltaic system. The photovoltaic system includes: laminates, optimizers, and photovoltaic bezels. The optimizer has the fixed space of centre gripping, and photovoltaic frame includes: frame body, first holder and second holder. The frame body is provided with a mounting groove which is used for clamping and fixing the laminated piece. One end of the first clamping piece is arranged on the frame body, and the first clamping piece protrudes out of the frame body. One end of the second clamping piece is arranged on the frame body, and the second clamping piece protrudes out of the frame body. The first clamping piece is located between the second clamping piece and the lamination piece, and a clamping space is formed between the first clamping piece and the second clamping piece and used for clamping and fixing the optimizer. And in the first position state, the clamping space clamps and fixes the optimizer. And in the second position state, the clamping and fixing space clamps and fixes the second clamping piece.

Compared with the prior art, in the photovoltaic system provided by the utility model, the optimizer can be clamped and fixed on the photovoltaic frame before the optimizer is actually used because the clamping space formed by the first clamping piece and the second clamping piece can clamp and fix the optimizer. At this time, not only can ensure that the optimizer is used with the photovoltaic module in a matched way, so as to ensure the power generation efficiency of the photovoltaic module. Meanwhile, the mounting holes can be prevented from being formed in the photovoltaic frame, the strength of the photovoltaic frame is prevented from being damaged, the load of the photovoltaic module is further ensured, and the quality of the photovoltaic module is improved. It should be appreciated that the photovoltaic module described above includes a laminate and a photovoltaic bezel secured around the laminate. Further, since the optimizer has the clamping fixing space for clamping and fixing the second clamping member, the optimizer can be clamped and fixed on the second clamping member when the optimizer is actually used. At this time, not only can guarantee the optimizer and photovoltaic frame fastening connection, guarantee photovoltaic system's quality. Meanwhile, the mounting holes can be prevented from being formed in the photovoltaic frame, the strength of the photovoltaic frame is prevented from being damaged, the load of the photovoltaic module is further ensured, and the quality of the photovoltaic module is improved.

In summary, the clamping space and the clamping fixing space formed by the structure can ensure that the optimizer is safely and stably arranged on the photovoltaic frame so as to ensure the quality of the photovoltaic system.

In one implementation, the first clamping member and the laminate have a spacing of greater than or equal to 1mm and less than or equal to 5mm.

Under the condition of adopting the technical scheme, when the optimizer is clamped and fixed in the clamping space, the optimizer is prevented from being too close to the laminated piece, so that the later optimizer presses the laminated piece to cause the laminated piece to break. That is, the above-described spacing can ensure the safety of the laminate. Further, in actual use, spacer pads may be placed within the above-mentioned spacing to further isolate the laminate and optimizer, further ensuring the safety of the laminate.

In one implementation, the second clip has a plurality of first protrusions in a direction approaching the first clip.

Under the condition of adopting the technical scheme, the friction force between the second clamping piece and the optimizer can be increased by utilizing the first protrusion, so that the firmness of clamping the optimizer by the photovoltaic frame is further ensured, the firmness and stability of connection between the photovoltaic frame and the optimizer are ensured, and the quality of a photovoltaic system is further ensured.

In one implementation manner, the cross section of the first protrusion is a triangle, a rectangle or a closed graph formed by an arc and a line segment.

Under the condition of adopting the technical scheme, the first bulges are various in shape, so that the selectivity is increased for staff. And the shape of the first bulge can be set according to actual conditions, so that the photovoltaic frame can be further adapted to different application scenes, and the application range of the photovoltaic frame is enlarged.

In one implementation, the optimizer includes: the optimizer comprises an optimizer body, a clamping assembly and a first connector. The clamping assembly is provided with a clamping fixing space and is positioned on one side of the optimizer body, and an opening of the clamping assembly is away from the optimizer body. The first connecting piece sets up in the below of clamping assembly, and the optimizer body is connected respectively with clamping assembly at the both ends of first connecting piece. And in the first position state, the clamping space clamps and fixes the clamping assembly and the first connecting piece.

Under the condition of adopting the technical scheme, when in the second position state, the clamping fixing space of the clamping assembly is utilized, so that the optimizer body is fastened and connected with the photovoltaic frame.

In one implementation, the clamping assembly includes: the third clamping piece, the fourth clamping piece and the second connecting piece. The third clamping piece is provided with a plurality of second bulges, the second bulges are positioned in the clamping and fixing space, and the third clamping piece is used for being clamped with the second clamping piece. The fourth clamping piece is opposite to the third clamping piece and is arranged at intervals, and a clamping fixing space is formed between the third clamping piece and the fourth clamping piece. One end of the first connecting piece is connected with one end of the fourth clamping piece, and two ends of the second connecting piece are respectively connected with one end of the third clamping piece and the other end of the fourth clamping piece.

Under the condition of adopting the technical scheme, as the third clamping piece is provided with a plurality of second bulges, the third clamping piece is used for being clamped with the second clamping piece. At this time, when utilizing the fixed space centre gripping of centre gripping fixed second holder, the fastness that third holder and second holder connect to guarantee the fastness that photovoltaic frame and optimizer are connected, and then ensure photovoltaic system's quality. Further, the clamping assembly is simple in structure, easy to manufacture, easy to use and capable of improving assembly efficiency.

In one implementation manner, the fourth clamping member has a plurality of third protrusions, and the third protrusions are located in the clamping fixing space.

Under the condition of adopting the technical scheme, the firmness of the clamping and fixing space for clamping and fixing the second clamping piece can be further improved by utilizing the third bulge so as to further ensure the quality of the photovoltaic system.

In one implementation manner, the cross section of the second protrusion is a closed graph formed by a triangle, a rectangle or an arc and a line segment, and the cross section of the third protrusion is a closed graph formed by a triangle, a rectangle or an arc and a line segment.

Under the condition of adopting the technical scheme, the shapes of the second bulge and the third bulge are various, so that the selectivity is increased for staff. Moreover, the shapes of the second bulge and the third bulge can be set according to actual conditions, and at the moment, the optimizer can be further adapted to different application scenes, so that the application range of the optimizer is enlarged.

In one implementation, the sum of the heights of the clamping assembly and the first connecting piece is greater than or equal to the distance between the first clamping piece and the second clamping piece.

Under the condition of adopting the technical scheme, the clamping space clamps and fixes the clamping assembly and the first connecting piece due to the first position state. Therefore, when the height sum of the clamping component and the first connecting piece is greater than or equal to the distance between the first clamping piece and the second clamping piece, the clamping component and the first connecting piece can be ensured to be full of clamping space, so that the firmness of connection between the photovoltaic frame and the optimizer is ensured, and the quality of the photovoltaic system is further ensured.

In one implementation, the distance between the first clamping member and the second clamping member is greater than or equal to 10mm and less than or equal to 30mm. The sum of the heights of the clamping assembly and the first connecting piece is greater than or equal to 10mm and less than or equal to 30mm.

Under the condition of adopting the technical scheme, the distance, the height and the data can be selected according to actual conditions, and at the moment, the photovoltaic system can be adapted to different application scenes so as to further expand the application range of the photovoltaic system.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a front view of a photovoltaic system in a first position according to an embodiment of the present utility model;

FIG. 2 is a front view of the photovoltaic system in a second position according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the positional relationship of a laminate, an optimizer and a photovoltaic frame in an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a photovoltaic system in a first position according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of the photovoltaic system in the second position state according to the embodiment of the present utility model.

Reference numerals:

1-laminate, 2-optimizer, 20-optimizer body,

21-a clamping assembly, 210-a third clamping member, 211-a fourth clamping member,

212-second connector, 22-first connector, 3-light Fu Biankuang,

30-a frame body, 31-a first clamping member, 32-a second clamping member,

33-clamping space, 34-mounting portion, 35-support portion,

36-first protrusions.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to solve the technical problems, the embodiment of the utility model provides a photovoltaic system. Referring to fig. 1 to 5, the photovoltaic system may include: laminate 1, optimizer 2 and photovoltaic bezel 3. The optimizer 2 has a clamping fixture (not shown in fig. 1 to 5), and the photovoltaic frame 3 may include: the frame body 30, the first clamping piece 31 and the second clamping piece 32. The frame body 30 has a mounting groove for clamping the fixing laminate 1. One end of the first clamping member 31 is disposed on the frame body 30, and the first clamping member 31 protrudes from the frame body 30. One end of the second clamping member 32 is disposed on the frame body 30, and the second clamping member 32 protrudes from the frame body 30. The first clamping member 31 is located between the second clamping member 32 and the laminate 1, and a clamping space 33 is formed between the first clamping member 31 and the second clamping member 32, the clamping space 33 being used for clamping and fixing the optimizer 2. In the first position state, the clamping space 33 clamps and fixes the optimizer 2. In the second position state, the clamping and fixing space clamps and fixes the second clamping member 32.

Referring to fig. 1 to 3, the frame body 30, the first clamping member 31 and the second clamping member 32 may be integrally formed, or may be detachably connected, which is not limited herein. Further, the first clamping member 31 and the second clamping member 32 protrude from the frame body 30 along the horizontal direction a, and the specifications of the first clamping member 31 and the second clamping member 32 may be set according to the actual situation, which is not limited herein. Further, the structure of the frame body 30 may be as long as it meets the practical needs, and the structural components thereof are not specifically described herein. In addition, in actual use, the first position state can be understood as a position state between structures before the photovoltaic system leaves the factory, and the second position state can be understood as a position state between structures after the photovoltaic system leaves the factory.

Referring to fig. 1 to 3, in the embodiment of the present utility model, the first clamping member 31 and the second clamping member 32 may be clamping plates, and the frame body 30, the first clamping member 31 and the second clamping member 32 are integrally formed, and the frame body 30 is also an integrally formed structure. Further, the frame body 30 includes a mounting portion 34 and a supporting portion 35, the mounting portion 34 has a mounting groove, the supporting portion 35 is disposed below the mounting portion 34 and is used for supporting the mounting portion 34, and one ends of the first clamping member 31 and the second clamping member 32 are disposed on the supporting portion 35 and protrude from the supporting portion 35 along the horizontal direction a.

Referring to fig. 1 to 5, in the photovoltaic system provided by the embodiment of the present utility model, since the clamping space 33 formed by the first clamping member 31 and the second clamping member 32 can clamp and fix the optimizer 2, the optimizer 2 can be clamped and fixed on the photovoltaic frame 3 before the optimizer 2 is actually used. At this time, the optimizer 2 and the photovoltaic module can be used together, so that the power generation efficiency of the photovoltaic module can be ensured. Meanwhile, the mounting holes can be prevented from being formed in the photovoltaic frame 3, the strength of the photovoltaic frame 3 is prevented from being damaged, the load of the photovoltaic module is further ensured, and the quality of the photovoltaic module is improved. It should be understood that the above-mentioned photovoltaic module includes the laminate 1 and the photovoltaic frame 3 fastened around the laminate 1. By way of example, the photovoltaic module described above may be a 40 module, where 40 refers to the thickness of the photovoltaic bezel. Further, since the optimizer 2 has the clamping fixing space to clamp and fix the second clamping member 32, the optimizer 2 can be clamped and fixed on the second clamping member 32 when the optimizer 2 is actually used. At this time, the quality of the photovoltaic system can be ensured not only by ensuring the fastening connection of the optimizer 2 and the photovoltaic frame 3. Meanwhile, the mounting holes can be prevented from being formed in the photovoltaic frame 3, the strength of the photovoltaic frame 3 is prevented from being damaged, the load of the photovoltaic module is further ensured, and the quality of the photovoltaic module is improved. Still further, compared with the condition that the optimizer 2 and the photovoltaic module are packaged separately before leaving the factory in the prior art, in the photovoltaic system provided by the embodiment of the utility model, the optimizer 2 is located below the laminated piece 1 and is located at one side of the photovoltaic frame 3, namely, the optimizer 2 is located in a vacant area of the photovoltaic module. The optimizer 2 is parallel to both the first clamp 31 and the second clamp 32. At this time, the photovoltaic system in the first position state is packaged, so that the packaging cost can be saved. In addition, the photovoltaic system in the first position state can reduce the occupied space compared with the optimizer 2 and the photovoltaic module which are dispersedly placed in the prior art.

In summary, the clamping space 33 and the clamping fixing space formed by the above structure can ensure that the optimizer 2 is safely and stably installed on the photovoltaic frame 3, so as to ensure the quality of the photovoltaic system.

As a possible implementation, referring to fig. 2 and 3, the distance L1 between the first clamping member 31 and the laminate 1 is greater than or equal to 1mm and less than or equal to 5mm. For example, the pitch L1 may be 1mm, 2mm, 3mm, 4mm, 5mm, or the like. At this time, it is possible to avoid that when the optimizer 2 is clamped and fixed in the clamping space 33, the optimizer 2 is too close to the laminate 1, resulting in that the later optimizer 2 presses the laminate 1, causing the laminate 1 to break. That is, the above-described spacing can ensure the safety of the laminate 1. Further, in actual use, a spacer may be placed between the first clamping member 31 and the laminate 1 (i.e., in the gap having the above-described pitch) to further separate the laminate 1 and the optimizer 2, further ensuring the safety of the laminate 1.

As a possible implementation, referring to fig. 2 and 3, the second clamping member 32 has a plurality of first protrusions 36 in a direction approaching the first clamping member 31. The friction force between the second clamping piece 32 and the optimizer 2 can be increased by utilizing the first protrusions 36, so that the firmness of clamping the optimizer 2 by the photovoltaic frame 3 is further ensured, the firmness and stability of connection between the photovoltaic frame 3 and the optimizer 2 are ensured, and the quality of a photovoltaic system is further ensured.

In one alternative, the cross-sectional shape of the first protrusion 36 includes, but is not limited to, a triangle (see fig. 3), a rectangle, or a closed figure formed by an arc and a line segment. The shape of the first protrusions 36 is varied to increase the selectivity for the worker. Moreover, the shape of the first protrusion 36 may be set according to practical situations, so that the photovoltaic frame may be further adapted to different application scenarios, and the application range of the photovoltaic frame is enlarged.

As a possible implementation, referring to fig. 1 to 5, the above-mentioned optimizer 2 may include: the optimizer body 20, the clamping assembly 21 and the first connector 22. The clamping assembly 21 has a clamping fixing space, the clamping assembly 21 is located on one side of the optimizer body 20, and an opening of the clamping assembly 21 faces away from the optimizer body 20. The first connecting piece 22 is arranged below the clamping assembly 21, and two ends of the first connecting piece 22 are respectively connected with the optimizer body 20 and the clamping assembly 21. In the first position state, the clamping space 33 clamps the fixed clamping assembly 21 and the first connecting member 22. In the second position state, the optimizer body 20 can be fastened and connected with the photovoltaic frame 3 by utilizing the clamping and fixing space of the clamping assembly 21, and the method is simple and convenient, is easy to operate and improves the assembly efficiency.

In the present embodiment, the clamping assembly 21 and the first connector 22 are considered as a single unit, which is located at one side of the optimizer body 20.

In an alternative, referring to fig. 1 to 3, the clamping assembly 21 may include: a third clamping member 210, a fourth clamping member 211, and a second connecting member 212. The third clamping member 210 has a plurality of second protrusions, the second protrusions are located in the clamping and fixing space, and the third clamping member 210 is configured to be clamped with the second clamping member 32. The fourth clamping member 211 is opposite to the third clamping member 210 and is disposed at a distance from the third clamping member 210, and a clamping and fixing space is formed between the third clamping member 210 and the fourth clamping member 211. One end of the first connecting member 22 is connected with one end of the fourth clamping member 211, the other end of the first connecting member 22 is connected with the optimizer body 20, and both ends of the second connecting member 212 are connected with one end of the third clamping member 210 and the other end of the fourth clamping member 211, respectively.

Since the third clamping member 210 has a plurality of second protrusions, the third clamping member 210 is configured to be engaged with the second clamping member 32. At this time, when the second clamping member 32 is clamped and fixed by the clamping and fixing space, the connection firmness of the third clamping member 210 and the second clamping member 32 can be ensured, so as to ensure the connection firmness of the photovoltaic frame 3 and the optimizer 2, and further ensure the quality of the photovoltaic system. Further, the clamping assembly 21 is simple in structure, easy to manufacture, easy to use and high in assembly efficiency.

In an alternative, referring to fig. 3, the cross-sectional shape of the second protrusion includes, but is not limited to, a triangle, a rectangle, or a closed pattern formed by an arc and a line segment. The second protrusions are various in shape, and the selectivity is increased for workers. And the shape of the second bulge can be set according to actual conditions, so that the optimizer can be further adapted to different application scenes, and the application range of the optimizer is enlarged.

In an alternative manner, referring to fig. 3, the fourth clamping member 211 has a plurality of third protrusions, and the third protrusions are located in the clamping and fixing space. The third protrusion can further improve the firmness of the clamping and fixing space when the second clamping piece 32 is clamped and fixed, so as to further ensure the quality of the photovoltaic system.

In an alternative, referring to fig. 3, the cross-sectional shape of the third protrusion includes, but is not limited to, a triangle, a rectangle, or a closed figure formed by an arc and a line segment. The third protrusions are various in shape, and the selectivity is improved for workers. In addition, the shape of the third bulge can be set according to actual conditions, so that the optimizer can be further adapted to different application scenes, and the application range of the optimizer is enlarged.

In an alternative, referring to fig. 1 to 3, the height sum H1 of the first clamping member 21 and the first connecting member 22 is greater than or equal to the spacing L2 between the first clamping member 31 and the second clamping member 32.

The clamping space 33 clamps the fixed clamping assembly 21 and the first connector 22 due to the first position state. Therefore, when the height sum of the clamping assembly 21 and the first connecting piece 22 is greater than or equal to the distance between the first clamping piece 31 and the second clamping piece 32, the clamping assembly 21 and the first connecting piece 22 can be ensured to be full of the clamping space 33, so that the firmness of connection between the photovoltaic frame 3 and the optimizer 2 is ensured, and the quality of the photovoltaic system is ensured.

In an alternative, referring to fig. 3, the distance L2 between the first clamping member 31 and the second clamping member 32 is greater than or equal to 10mm and less than or equal to 30mm. For example, the pitch L2 may be 10mm, 15mm, 20mm, 24mm, 30mm, or the like. The height H1 of the clamping assembly 21 and the first connector 22 is greater than or equal to 10mm and less than or equal to 30mm. For example, the height and H1 may be 10mm, 15mm, 20mm, 24mm, 30mm, or the like. The distance, the height and the data can be selected according to actual conditions, and at the moment, the photovoltaic system can be adapted to different application scenes so as to further expand the application range of the photovoltaic system.

In one alternative, the height H2 of the optimizer body 20 may be 28mm.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A photovoltaic system, comprising:

a laminate;

the optimizer is provided with a clamping and fixing space;

a photovoltaic bezel, the photovoltaic bezel comprising:

the frame body is provided with a mounting groove which is used for clamping and fixing the laminated piece;

one end of the first clamping piece is arranged on the frame body, and the first clamping piece protrudes out of the frame body;

one end of the second clamping piece is arranged on the frame body, and the second clamping piece protrudes out of the frame body; the first clamping piece is positioned between the second clamping piece and the laminated piece, a clamping space is formed between the first clamping piece and the second clamping piece, and the clamping space is used for clamping and fixing the optimizer;

in a first position state, the clamping space clamps and fixes the optimizer;

and in the second position state, the clamping and fixing space clamps and fixes the second clamping piece.

2. The photovoltaic system of claim 1, wherein a spacing between the first clip and the laminate is greater than or equal to 1mm and less than or equal to 5mm.

3. The photovoltaic system of claim 1, wherein the second clip has a plurality of first protrusions in a direction proximate the first clip.

4. A photovoltaic system according to claim 3, wherein the first protrusion has a cross-sectional shape that is a closed figure of triangles, rectangles or arcs and line segments.

5. The photovoltaic system of claim 1, wherein the optimizer comprises:

an optimizer body;

the clamping assembly is provided with the clamping fixing space; the clamping assembly is positioned on one side of the optimizer body, and an opening of the clamping assembly faces away from the optimizer body;

the first connecting piece is arranged below the clamping assembly, and two ends of the first connecting piece are respectively connected with the optimizer body and the clamping assembly;

and when the first position state is reached, the clamping space clamps and fixes the clamping assembly and the first connecting piece.

6. The photovoltaic system of claim 5, wherein the clamping assembly comprises:

the third clamping piece is provided with a plurality of second bulges, and the second bulges are positioned in the clamping and fixing space; the third clamping piece is used for being clamped with the second clamping piece;

the fourth clamping piece is opposite to the third clamping piece and is arranged at intervals, and the clamping fixing space is formed between the third clamping piece and the fourth clamping piece; one end of the first connecting piece is connected with one end of the fourth clamping piece;

and two ends of the second connecting piece are respectively connected with one end of the third clamping piece and the other end of the fourth clamping piece.

7. The photovoltaic system of claim 6, wherein the fourth clamp has a plurality of third protrusions, the third protrusions being located within the clamp-securing space.

8. The photovoltaic system of claim 7, wherein the second protrusion has a cross-sectional shape that is a closed figure of triangles, rectangles, or arcs and line segments;

the cross section of the third bulge is a closed graph formed by a triangle, a rectangle or an arc and a line segment.

9. The photovoltaic system of claim 5, wherein a sum of heights of the clamping assembly and the first connector is greater than or equal to a spacing between the first clamp and the second clamp.

10. The photovoltaic system of claim 9, wherein a spacing between the first clamp and the second clamp is greater than or equal to 10mm and less than or equal to 30mm;

the sum of the heights of the clamping assembly and the first connecting piece is greater than or equal to 10mm and less than or equal to 30mm.

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