CN220190785U

CN220190785U - Connecting piece, fixed subassembly and photovoltaic device

Info

Publication number: CN220190785U
Application number: CN202321320226.0U
Authority: CN
Inventors: 裴世超; 郭琦; 萧吉宏
Original assignee: Anhui Huasheng New Energy Technology Co ltd
Current assignee: Anhui Huasheng New Energy Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-12-15
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to the technical field of photovoltaic power generation, in particular to a connecting piece, a fixing assembly and a photovoltaic device. The connecting piece is used for connecting and fixing the photovoltaic module provided with the frame with the bracket, the first connecting part and the second connecting part are connected at the edges of one end of each of the first connecting part and the second connecting part, the side surface of the first connecting part, which is far away from the second connecting part, is abutted against the photovoltaic module, and the second connecting part is connected with the bracket; the abutting part is formed at one end of the first connecting part far away from the second connecting part and extends in an anti-parallel direction of the second connecting part, and the inner side of the abutting part abuts against the photovoltaic module; the first clamping part and the abutting part are arranged at the same side interval relative to the first connecting part, one end of the first clamping part is fixed on the first connecting part, the other end of the first clamping part is bent in the direction away from the abutting part, a first clamping space is formed between the first clamping part and the first connecting part, and the first clamping part is suitable for being clamped and fixed with the frame. The connecting piece can realize stable connection with the joint of the photovoltaic module to be installed, and the power generation efficiency of the photovoltaic module is guaranteed.

Description

Connecting piece, fixed subassembly and photovoltaic device

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a connecting piece, a fixing assembly and a photovoltaic device.

Background

In recent years, with the continuous development of new energy industries, the competition of the photovoltaic industry is more and more intense, especially in terms of how to increase the power of the photovoltaic modules. In the installation of the photovoltaic device, the photovoltaic module is formed by first installing the photovoltaic laminate on the frame, and then fixing the photovoltaic module on the bracket through the frame, bolts, and the like.

In the above application, a conventional frame structure with a C-face is generally adopted, so that the frame structure is conveniently fixed with the bracket through a fixing piece such as a bolt, however, since the width of the C-face is wider than that of the a-face, the C-face of the frame can shield the battery piece, thereby influencing the power of the assembly. Taking 166-144 model components as an example, the area of a C-face shielding battery of a long frame is 478.08cm ² The C face of the short frame shields the battery area to be 125.5cm ² While the area of one 166 half-cell is about 136.12cm ² The shielding area of the frame C surface is relatively large from the calculation result. Therefore, the C-free frame is started to be used in the industry, one end of the C-free frame is used for installing the photovoltaic laminated piece, the other end of the C-free frame is fixed on the support through the connecting piece, and power loss caused by shielding of the C face is reduced.

The existing C-free frame is fixed in practical application mainly by means of friction force of interference fit between the frame and the connecting piece, and because the contact area of the C-free frame and the connecting piece is small, slippage is easy to occur between the frame and the connecting piece in the process of testing load, stability is poor, the connecting piece and the frame are loose or even are separated, load testing fails, and the power generation efficiency of the photovoltaic module is affected.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the contact area of the C-free frame and the connecting piece is small in the prior art, slippage is easy to generate between the frame and the connecting piece in the process of testing load, and the connecting piece and the frame are loose or even separated, so that load test fails, the power generation efficiency of the photovoltaic module is affected, and the connecting piece, the fixing assembly and the photovoltaic device are provided.

In order to solve the above problems, the present utility model provides a connector for connecting and fixing a photovoltaic module mounted with a frame to a bracket, comprising:

the photovoltaic module comprises a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected at the edges of one end of each of the first connecting part and the second connecting part, the side surface of the first connecting part, which is far away from the second connecting part, is suitable for being abutted against the photovoltaic module, and the second connecting part is suitable for being connected with a bracket;

an abutting portion formed at one end of the first connecting portion away from the second connecting portion and extending in an antiparallel direction to the second connecting portion, the inner side of the abutting portion being adapted to abut against a photovoltaic module;

the first clamping part is arranged at the same side of the first connecting part at intervals, one end of the first clamping part is fixed on the first connecting part, the other end of the first clamping part is bent in the direction away from the abutting part, a first clamping space is formed between the first clamping part and the first connecting part, and the first clamping part is suitable for being clamped and fixed with the frame.

Optionally, in the above connecting piece, a first anti-slip structure is formed on an end surface of the abutting portion facing the first clamping portion.

Optionally, in the above-mentioned connecting piece, the outer surface of the bending part of the first clamping part is provided with a first inclined plane; the abutting part is provided with a second inclined plane formed on the other end face opposite to the first anti-skid structure.

Optionally, in the above-mentioned connecting piece, the second connecting portion is fixedly formed at an end portion of the first connecting portion, which is far away from the abutting portion; the second connecting part is further provided with a supporting part, and the supporting part is arranged at one end of the second connecting part away from the first connecting part in an extending way in a direction away from the abutting part; the lower end face of the supporting part is suitable for being flush with the edge of the photovoltaic module when the connecting piece is fixedly clamped with the frame.

The present utility model also provides a securing assembly comprising:

the connecting piece and the frame comprise a first structure and a second structure which are integrally formed;

the first structure is provided with a mounting groove, a first opening is formed in one side, adjacent to the second structure, of the mounting groove, and the mounting groove is suitable for accommodating the edge of the photovoltaic laminated piece;

the connecting groove is formed in the second structure, the connecting groove is formed in a direction opposite to the first opening, the first clamping portion is suitable for extending into the connecting groove, the second structure is provided with a second clamping portion extending to one side of the first structure at one end far away from the first structure, and the second clamping portion is suitable for extending into the first clamping space to connect and fix the connecting piece with the frame.

Optionally, in the above fixing assembly, a size of the second clamping portion is adapted to a size of the first clamping space.

Optionally, in the fixing assembly, the second openings are a plurality of through holes arranged at intervals in the length direction of the frame; in the height direction of the frame, the through hole is arranged in the middle of the frame.

Optionally, the fixing assembly, the second structure further includes: the baffle is arranged in the connecting groove to divide the connecting groove into a second clamping space and an angle code groove; the second opening is communicated with the frame in the length direction, and the first clamping part extends into the second clamping space; the size of the second clamping space is matched with the size of the first clamping part.

Optionally, in the fixing assembly, the second structure is formed with a second anti-slip structure outside an end face opposite to the second opening.

The present utility model also provides a photovoltaic device comprising: the fixing component is used for fixing the fixing component;

and a photovoltaic laminate and a bracket, the frame surrounding the periphery of the photovoltaic laminate, the bracket being adapted to connect with the second connection.

The utility model has the following advantages:

1. according to the connecting piece provided by the utility model, the first connecting part, the second connecting part, the abutting part and the first clamping part are arranged on the same side of the first connecting part, the upper end and the lower end of the frame of the photovoltaic module to be installed can be fixed, the first clamping part at the lower end and the first clamping space formed by the first clamping part can be matched with different clamping structures such as grooves or protruding blocks or clamping hooks on the frame to be installed, and the like, so that the clamping and the fixing of the frame to be installed can be realized, meanwhile, the abutting part at the upper end is matched with the first clamping part at the lower end to enable the end face of the frame to abut against the first connecting part, so that the limiting connecting piece and the frame slide relatively and deviate from each other, the connecting piece can realize stable connection with the frame to be installed, and the power generation efficiency of the photovoltaic module is facilitated to be ensured.

2. According to the connecting piece provided by the utility model, the first anti-slip structure is formed on the end surface of the abutting part, which is close to the first clamping part. The first anti-slip structure can strengthen the friction force of the abutting part of the connecting piece when abutting against the frame of the photovoltaic module, and improve the clamping stability.

3. According to the connecting piece provided by the utility model, the first inclined surface on the outer surface of the bending part of the first clamping part is convenient for clamping the first clamping part with the frame to be installed, so that the problem that the workpiece to be installed is clamped and damaged due to sharp edge parts is avoided, the second inclined surface on one end of the abutting part far away from the first connecting part can be avoided from being scratched by workers during installation of the abutting part, the safety is enhanced, and meanwhile, the first inclined surface and the second inclined surface both have the effects of saving materials and reducing the cost.

4. According to the fixing component provided by the utility model, the photovoltaic laminated piece is fixed in the mounting groove of the photovoltaic component frame, meanwhile, the second clamping part is arranged at the first opening of the connecting groove, the first clamping part stretches into the connecting groove, meanwhile, the second clamping part can stretch into the first clamping space, the directions of the first clamping part and the second clamping part are opposite, so that the photovoltaic laminated piece is beneficial to forming relatively stable clamping and fixing, and the connection reliability of the connecting piece and the photovoltaic component frame is ensured.

5. The fixing component provided by the utility model has the advantages that the second opening of the frame is provided with a plurality of through holes which are arranged at intervals in the length direction of the frame, and the through holes are arranged in the middle of the frame in the height direction of the frame; the second joint portion has certain height, the joint of being convenient for, and the middle part trompil also helps the load to distribute evenly simultaneously, and the through-hole can avoid reducing first joint portion skew at will.

6. According to the fixing component provided by the utility model, the baffle is arranged in the connecting groove to divide the connecting groove into the second clamping space and the corner bracket groove, so that after the first clamping part stretches into the second clamping space, the opposite two ends are respectively abutted with the inner wall surface of the second clamping part and the baffle, and the stability is good; the second opening is arranged in a penetrating mode in the length direction of the frame, the connecting piece can be clamped and fixed in the whole length direction of the frame, and then the connecting piece is fixed on the support, and the connecting piece is flexible and convenient to install.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a connector according to embodiment 1 of the present utility model;

FIG. 2 is a front view of a connector according to embodiment 1 of the present utility model;

FIG. 3 is a front view of a first frame according to embodiment 2 of the present utility model;

FIG. 4 is a schematic view of a first fastening assembly according to embodiment 2 of the present utility model;

FIG. 5 is a front view of a first securing assembly provided in embodiment 2 of the present utility model;

FIG. 6 is a schematic view of a second frame according to embodiment 2 of the present utility model;

FIG. 7 is a front view of a second frame according to embodiment 2 of the present utility model;

FIG. 8 is a front view of a second fastening assembly according to embodiment 2 of the present utility model;

reference numerals illustrate:

10. a connecting piece; 101. a first connection portion; 102. a second connecting portion; 1021. a support part; 103. an abutting portion; 1031. a first anti-slip structure; 1032. a second inclined surface; 104. a first clamping part; 1041. a first inclined surface; 1042. the first clamping space.

20. A frame; 201. a first structure; 2011. a mounting groove; 2012. a first opening; 202. a second structure; 2021. a connecting groove; 2022. a second opening; 2023. a second clamping part; 2024. the second clamping space; 2025. a corner bracket groove; 2026. and a second anti-slip structure.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 communication between 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 addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Referring to fig. 1 to 8, the present embodiment provides a connector for connecting and fixing a photovoltaic module mounted with a frame 20 to a bracket, including: the photovoltaic module comprises a first connecting part 101, a second connecting part 102, an abutting part 103 and a first clamping part 104, wherein the first connecting part 101 and the second connecting part 102 are connected at the edges of one end of each, the side surface of the first connecting part 101 away from the second connecting part 102 is suitable for abutting against the photovoltaic module, and the second connecting part 102 is suitable for connecting a bracket; the abutting portion 103 is formed at one end of the first connecting portion 101 away from the second connecting portion 102 and extends in an antiparallel direction to the second connecting portion 102, and the inner side of the abutting portion 103 is suitable for abutting against the photovoltaic module; the first locking portion 104 and the abutting portion 103 are disposed at the same side with respect to the first connecting portion 101 at intervals, one end of the first locking portion 104 is fixed to the first connecting portion 101, the other end is bent in a direction away from the abutting portion 103, a first locking space 1042 is formed between the first locking portion 104 and the first connecting portion 101, and the first locking portion 104 is adapted to be locked and fixed to the frame 20.

According to the connecting piece 10, the abutting portion 103 and the first clamping portion 104 are arranged on the same side of the first connecting portion 101, the frame 20 of the photovoltaic module to be installed can be fixed on the upper end face and the lower end face of the frame 20 of the photovoltaic module to be installed, the first clamping portion 104 at the lower end and the formed first clamping space 1042 can be matched with different clamping structures on the frame 20 and the like to be installed, such as grooves or protruding blocks or clamping hooks and the like, the clamping fixation of the connecting piece with the structure to be installed is achieved, meanwhile, the abutting portion 103 at the upper end is matched with the first clamping portion 104 at the lower end to enable the end face of the frame 20 to be abutted with the first connecting portion 101, so that the limiting connecting piece 10 and the frame 20 can slide relatively and deviate from, stable connection of the connecting piece 10 with the photovoltaic module to be installed can be achieved, and power generation efficiency of the photovoltaic module can be guaranteed.

Specifically, the first connecting portion 101, the second connecting portion 102, the abutting portion 103, and the first engaging portion 104 are integrally formed; according to different frames 20 and brackets which are actually adapted and the best stress points, the second connecting part 102 can be arranged at different positions in the height direction of the first connecting part 101, and in the embodiment, the second connecting part 102 is arranged at the lower end of the side, opposite to the abutting part and the first clamping part, of the first connecting part 101; the inner wall surface of the abutting portion 103 can be adjusted and shaped according to the edge surface of the frame 20, for example, if the frame 20 is an inclined surface, the inner wall surface of the abutting portion 103 is correspondingly set to be an inclined surface, so that good contact between the abutting portion 103 and the edge surface of the frame 20 is ensured, stability is enhanced, and the requirement that the abutting portion 103 is easily mounted on the frame 20 is met.

In the technology of the above-described aspect, in the connector 10 of the present embodiment, the first anti-slip structure 1031 is molded on the end surface of the abutment portion 103 facing the first engagement portion 104. The first anti-slip structure 1031 can enhance the friction force of the abutting portion 103 of the connecting piece 10 when abutting against the frame 20 of the photovoltaic module, and improve the clamping stability. The first anti-slip structure 1031 is a plurality of rib structures arranged in parallel with each other in the present embodiment; of course, other roughness configurations may be selected, such as adding flexible cleats, or spraying a particulate coating, among others.

As shown in fig. 1 and 2, in the present embodiment, a first inclined surface 1041 is provided on an outer surface of the bent portion of the first clamping portion 104; the abutment portion 103 is formed with a second inclined surface 1032 on the other end surface opposite to the first anti-slip structure 1031.

The above-mentioned first inclined plane 1041 and second inclined plane 1032 all have save material, reduce cost's effect, and simultaneously, first inclined plane 1041 is convenient for first joint portion 104 and the frame 20 that waits to install carry out the joint, avoids sharp edge to cause the installation jamming and harm to wait to install the work piece, and second inclined plane 1032 can avoid the workman fish tail when installing butt portion 103, reinforcing security.

In the present embodiment, as shown in fig. 1 and 2, the second connecting portion 102 is fixedly formed at an end of the first connecting portion 101 remote from the abutting portion 103; the second connection portion 102 is further provided with a support portion 1021, and the support portion 1021 is provided to extend in a direction away from the abutment portion 103 at an end of the second connection portion 102 away from the first connection portion 101; the lower end surface of the supporting part 1021 is suitable for being flush with the edge of the photovoltaic module when the connecting piece 10 is clamped and fixed with the frame 20.

The second connecting portion 102 is arranged at the bottom end of the first connecting portion 101 and is convenient to fix with the support, when the frame 20 to be installed is clamped and connected at a larger distance from the bottom edge, the supporting portion 1021 can enable the bottom end of the connecting piece 10 to be flush with the bottom end of the frame 20 of the photovoltaic module to be installed, so that the photovoltaic module to be installed on the support is further convenient to install on the support, and the photovoltaic module to be installed on the support has higher stability.

Example 2

Referring to fig. 1 to 8, the present embodiment provides a fixing assembly, including:

the connecting piece 10 described in embodiment 1, and the frame 20, the frame 20 includes a first structure 201 and a second structure 202 that are integrally formed; the first structure 201 is provided with a mounting groove 2011, a first opening 2012 is formed on one side of the mounting groove 2011 adjacent to the second structure 202, and the edge of the photovoltaic laminated piece is suitable for being accommodated in the mounting groove 2011; the second structure 202 is provided with a connecting groove 2021, the connecting groove 2021 is provided with a second opening 2022 in a direction opposite to the first opening 2012, the first clamping portion 104 is suitable for extending into the connecting groove 2021, the second structure 202 is provided with a second clamping portion 2023 extending to one side of the first structure 201 at one end far away from the first structure 201, and the second clamping portion 2023 is suitable for extending into the first clamping space 1042 to connect and fix the connecting piece 10 with the frame 20.

The above-mentioned fixed subassembly, the mounting groove 2011 of frame 20 is used for fixed photovoltaic lamination spare, and the first opening 2012 department of spread groove 2021 sets up second joint portion 2023 simultaneously, and when first joint portion 104 stretched into spread groove 2021, second joint portion 2023 can stretch into first joint space 1042, and the orientation of first joint portion 104 and second joint portion 2023 is opposite, helps forming relatively stable joint fixedly, guarantees the connection reliability of connecting piece 10 and photovoltaic module frame 20.

As a preferred embodiment, the size of the second engaging portion 2023 is adapted to the size of the first engaging space 1042. That is, the width of the second clamping portion 2023 is slightly smaller than the width of the first clamping space 1042 so as to facilitate the installation of the first clamping portion 104 into the connecting groove 2021; the height of the second clamping portion 2023 is not limited, but it should be ensured that after the second clamping portion 2023 extends into the first clamping space 1042, a side of the first clamping portion 104, which is close to the second clamping portion 2023, has a sufficient connection surface to prevent the second clamping portion 2023 from easily falling out of the first clamping space 1042.

As an embodiment, as shown in fig. 3 to 5, the second openings 2022 are a plurality of through holes spaced apart in the length direction of the frame 20; in the height direction of the frame 20, a through hole is provided in the middle of the frame 20.

The above arrangement can make the second clamping portion 2023 have a certain height, so as to facilitate clamping, and the middle opening is also conducive to uniform load distribution; the through holes are arranged into oblong holes, and the edge connection is gentle and meanwhile the small displacement adjustment of the connecting piece 10 in the length direction of the frame 20 is convenient.

As another embodiment, as shown in fig. 6 to 8, the second structure 202 further includes: a baffle plate disposed in the connecting groove 2021 to partition the connecting groove 2021 into a second clamping space 2024 and a corner bracket groove 2025; the second opening 2022 is disposed through in the longitudinal direction of the frame 20, and the first engaging portion 104 extends into the second engaging space 2024; the size of the second clamping space 2024 is adapted to the size of the first clamping portion 104.

The baffle plates are arranged so that the opposite two ends of the first clamping part 104 are respectively abutted with the inner wall surface of the second clamping part 2023 and the baffle plates after the first clamping part 104 extends into the second clamping space 2024, so that the stability is good; meanwhile, the through second opening 2022 can enable the connecting piece 10 to be clamped and fixed in the whole length direction of the frame 20, so that the connecting piece is fixed on the bracket, and the connecting piece is flexible and convenient to install.

As shown in fig. 6, in the frame 20 of the present embodiment, the second structure 202 is formed with a second anti-slip structure 2026 outside the end surface opposite to the second opening 2022. The second anti-slip structure 2026 can improve convenience of staff in the process of moving, carrying, packaging and installing the frame 20, and avoid the frame 20 from falling out of hands of the staff to cause collision damage.

Example 3

Referring to fig. 1 to 8, the present embodiment provides a photovoltaic device including:

the fixation assembly described in embodiment 2, as well as the photovoltaic laminate and the bracket, the frame 20 is arranged around the periphery of the photovoltaic laminate, the bracket being adapted to be connected to the second connection 102.

The frame 20 surrounds and forms photovoltaic module in photovoltaic laminate periphery, and photovoltaic module passes through connecting piece 10 to be fixed on the support, and photovoltaic module's frame 20 and connecting piece 10 joint are fixed simultaneously, avoid sliding and break away from each other even, and connecting piece 10 passes through bolt fastening on the support, and the installation is firm reliable.

In addition, when the photovoltaic laminate is of a double-sided structure, the shielding of the frame 20 and the connecting piece 10 on the two sides of the photovoltaic laminate mounted on the fixing component is small, and the shielding areas are the same, so that the double-sided rate of the photovoltaic component is guaranteed. The higher the double-sided rate of the photovoltaic module, namely the ratio of the back power to the front power of the solar photovoltaic module, the higher the generated energy of the photovoltaic device and even the whole photovoltaic system is, and meanwhile, the system mismatch can be effectively reduced, and the potential reliability hazard can be reduced. According to measurement and calculation, the double-sided rate of the photovoltaic module is more than or equal to 95%, and compared with the prior art, the power generation amount of a single photovoltaic module is increased by 5W.

The photovoltaic module is particularly suitable for vertically installed photovoltaic devices, such as building curtain walls, high-speed sound insulation plates and the like, ensures the photovoltaic power generation capacity and improves the economic benefit, but is not limited to the photovoltaic device, and can be also applied to horizontally or obliquely installed photovoltaic devices such as building roofs and the like.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A connector for connecting and fixing a photovoltaic module mounted with a frame (20) to a bracket, comprising:

a first connecting part (101) and a second connecting part (102), wherein the first connecting part (101) and the second connecting part (102) are connected at the edge of one end of each, the side surface of the first connecting part (101) away from the second connecting part (102) is suitable for being abutted against a photovoltaic module, and the second connecting part (102) is suitable for being connected with a bracket;

an abutting portion (103), wherein the abutting portion (103) is formed at one end of the first connecting portion (101) away from the second connecting portion (102) and extends in a direction antiparallel to the second connecting portion (102), and the inner side of the abutting portion (103) is suitable for abutting against a photovoltaic module;

first joint portion (104), first joint portion (104) with butt portion (103) are in for the homonymy interval setting of first connecting portion (101), just first joint portion (104) one end is fixed on first connecting portion (101), the other end is to keeping away from the direction of butt portion (103) is buckled, first joint portion (104) with form first joint space (1042) between first connecting portion (101), first joint portion (104) are suitable for with frame (20) joint is fixed.

2. The connector according to claim 1, wherein a first anti-slip structure (1031) is formed on an end surface of the abutment portion (103) facing the first clamping portion (104).

3. The connecting piece according to claim 2, characterized in that the outer surface of the bending part of the first clamping part (104) is provided with a first inclined surface (1041); the abutting portion (103) is formed with a second inclined surface (1032) on the other end surface opposite to the first anti-slip structure (1031).

4. A connecting piece according to claim 3, wherein the second connecting portion (102) is fixedly formed at an end of the first connecting portion (101) remote from the abutting portion (103);

the second connecting part (102) is further provided with a supporting part (1021), and the supporting part (1021) is arranged at one end of the second connecting part (102) away from the first connecting part (101) in an extending way in a direction away from the abutting part (103); the lower end face of the supporting part (1021) is suitable for being flush with the edge of the photovoltaic module when the connecting piece (10) is clamped and fixed with the frame (20).

5. A securing assembly, comprising:

the connector (10) of any one of claims 1-4, and

a frame (20), the frame (20) comprising a first structure (201) and a second structure (202) integrally formed;

the first structure (201) is provided with a mounting groove (2011), a first opening (2012) is formed in one side of the mounting groove (2011) adjacent to the second structure (202), and the edge of the photovoltaic laminated piece is suitable for being accommodated in the mounting groove (2011);

the second structure (202) is provided with a connecting groove (2021), the connecting groove (2021) is provided with a second opening (2022) in the direction opposite to the first opening (2012), the first clamping part (104) is suitable for extending into the connecting groove (2021), the second structure (202) is provided with a second clamping part (2023) extending towards one side of the first structure at one end far away from the first structure (201), and the second clamping part (2023) is suitable for extending into the first clamping space (1042) so as to fix the connecting piece (10) and the frame (20) in a connecting way.

6. The securing assembly according to claim 5, characterized in that the second clamping portion (2023) is dimensioned to fit the first clamping space (1042).

7. The fixing assembly according to claim 6, wherein the second openings (2022) are through holes arranged at intervals in the length direction of the frame (20); in the height direction of the frame (20), the through hole is arranged in the middle of the frame (20).

8. The securing assembly according to claim 6, characterized in that the second structure (202) further comprises:

the baffle is arranged in the connecting groove (2021) to divide the connecting groove (2021) into a second clamping space (2024) and a corner bracket groove (2025); the second opening (2022) is arranged in a penetrating manner in the length direction of the frame (20), and the first clamping part (104) stretches into the second clamping space (2024); the second clamping space (2024) is matched with the first clamping portion (104) in size.

9. The fixation assembly of claim 5, wherein the second structure (202) is formed with a second non-slip structure (2026) outside an end face opposite the second opening (2022).

10. A photovoltaic device, comprising:

the securing assembly of any one of claims 5-9;

and a photovoltaic laminate and a bracket, the frame (20) surrounding the periphery of the photovoltaic laminate, the bracket being adapted to be connected to the second connection (102).