CN221240306U - Photovoltaic cell assembly and photovoltaic device - Google Patents

Abstract

The utility model discloses a photovoltaic cell assembly and a photovoltaic device. The photovoltaic cell assembly comprises a laminated piece and a frame structure, wherein the laminated piece comprises double-sided cells and a fixing structure, the fixing structure comprises an upper cover plate and a back plate, and the double-sided cells are clamped between the upper cover plate and the back plate; the frame structure is formed with the mounting groove, and the tip of lamination spare can insert in the mounting groove, and the degree of depth a of mounting groove is less than or equal to the distance b between the terminal surface of the lamination spare of inserting in the mounting groove and two-sided battery piece same end edge. The utility model can eliminate the shielding of the frame structure to the back of the double-sided battery piece and improve the utilization rate of the double-sided battery piece.

Description

Photovoltaic cell assembly and photovoltaic device

Technical Field

The utility model relates to the technical field of solar cells, in particular to a photovoltaic cell assembly and a photovoltaic device.

Background

With the increasing awareness of environmental protection and the increasing importance of renewable energy sources, solar power generation is one of the most promising renewable energy sources. Photovoltaic cells have gained widespread attention and rapid development as a representative of solar power generation.

Nowadays, the double-sided battery piece is widely applied, can absorb light and generate electricity on two sides, and greatly improves the power generation efficiency. However, the original photovoltaic cell assembly structure is designed for a single-sided cell, more shielding is arranged on the back of the cell, and the utilization rate of the back of the double-sided cell is affected. Accordingly, there is a need to provide a photovoltaic cell assembly that is suitable for use with bifacial cells and that is cost effective to address this problem.

Disclosure of utility model

According to one aspect of the utility model, the utility model aims to provide a photovoltaic cell assembly, so as to eliminate the back shielding area of a double-sided cell of a photovoltaic cell and improve the power generation efficiency of the double-sided cell.

To achieve the purpose, the utility model adopts the following technical scheme:

A photovoltaic cell assembly comprising: the laminated piece comprises a double-sided battery piece and a fixing structure, wherein the fixing structure comprises an upper cover plate and a back plate, and the double-sided battery piece is clamped between the upper cover plate and the back plate; the frame structure is formed with the mounting groove, the tip of lamination piece can insert in the mounting groove, just the degree of depth a of mounting groove is less than or equal to the insertion in the mounting groove the terminal surface of lamination piece with the distance b between the same end edge of two-sided battery piece.

Preferably, the frame structure is an annular frame, and the inner side of the frame structure is provided with an annular mounting groove.

Preferably, the frame structure includes a first frame on the non-support side of the laminate, the first frame including a first mounting slot for mounting the laminate; and/or the frame structure comprises a second frame on the support side of the laminate, the second frame comprising a second mounting groove for mounting the laminate, the second frame being for photovoltaic bracket support.

Preferably, the second frame is provided with a supporting groove, and the supporting groove is used for limiting at least part of the photovoltaic support.

Preferably, the frame structure comprises a first frame on the non-support side of the laminate and a second frame on the support side of the laminate; the frame structure still includes the angle sign indicating number, first frame with the second frame passes through the angle sign indicating number can dismantle the connection, the angle sign indicating number is including being the first portion and the second portion that the contained angle is connected, be provided with the holding on the first frame the first fixed chamber of first portion, be provided with the holding on the second frame the second fixed chamber of second portion.

According to another aspect of the present utility model, there is provided a photovoltaic device, including a photovoltaic bracket and a photovoltaic cell assembly according to any of the above aspects, wherein the photovoltaic bracket is disposed below the photovoltaic cell assembly and is used for supporting a frame structure of the photovoltaic cell assembly.

Preferably, the frame structure includes a second frame on the support side of the laminate, the second frame including a baffle and a support plate forming a support slot; the photovoltaic support comprises a supporting limiting part, the supporting limiting part is limited in the supporting groove, the supporting limiting part comprises a top plate and a first limiting plate, the top plate is in butt joint with the supporting plate, and the first limiting plate is in butt joint with the baffle.

Preferably, the photovoltaic bracket comprises two supporting and limiting parts which are arranged at intervals; the photovoltaic device further comprises a pressing block, the pressing block comprises an edge pressing block, the edge pressing block comprises a first frame positioning mechanism and a support positioning mechanism, the first frame positioning mechanism is propped against the second frame from top to bottom, one of the photovoltaic supports is used for supporting the second frame from bottom to top, and the support positioning mechanism is propped against the other support limiting portion.

Preferably, the photovoltaic device further comprises a pressing block, the pressing block comprises a middle pressing block, the middle pressing block comprises two second frame positioning mechanisms, the two second frame positioning mechanisms are arranged in one-to-one correspondence with the two second frames adjacently arranged, the second frame positioning mechanisms are pressed against the corresponding second frames from top to bottom, and the two supporting and limiting parts are used for supporting the corresponding second frames from bottom to top respectively.

Preferably, the photovoltaic bracket further comprises an inner cavity formed between the two supporting and limiting parts; the photovoltaic device further comprises a pressing mechanism, the pressing mechanism comprises a limiting block and a connecting piece, the limiting block is located in the inner cavity, two ends of the limiting block are respectively abutted to the inner sides of the supporting limiting parts, and the connecting piece penetrates through the pressing block and is connected with the limiting block.

The utility model has the beneficial effects that:

According to the photovoltaic battery assembly, the depth of the mounting groove of the frame structure is smaller than the distance between the edge of the fixing structure of the lamination piece inserted into the mounting groove and the edge of the double-sided battery piece, so that shielding of the frame structure to the back of the double-sided battery piece is eliminated, shielding of the photovoltaic bracket to the back of the double-sided battery piece is also avoided, the effective illumination area of the back of the double-sided battery piece is ensured, and the generating capacity of the double-sided battery piece is improved.

The utility model further provides a photovoltaic device, and the photovoltaic cell assembly is improved in the capability of resisting severe weather and preventing loosening through the frame structure and the limit of the photovoltaic support, so that the safety and the reliability of the photovoltaic device are improved, workers are prevented from holding the photovoltaic cell assembly to perform installation work, the labor intensity is reduced, the construction speed is improved, and the installation cost is saved.

Drawings

Fig. 1 is a schematic view of the laminate and frame structure installation of a photovoltaic cell assembly provided by the present utility model;

fig. 2 is a schematic view of a photovoltaic cell assembly provided by the present utility model;

Fig. 3 is a schematic view of a first frame of a photovoltaic cell assembly provided by the present utility model;

fig. 4 is a schematic view of a second frame of the photovoltaic cell assembly provided by the present utility model;

fig. 5 is a schematic illustration of a frame structure installation of a photovoltaic cell assembly provided by the present utility model;

Fig. 6 is a schematic view of another frame structure installation of a photovoltaic cell assembly provided by the present utility model;

FIG. 7 is a schematic view of one configuration of a photovoltaic device provided by the present utility model;

FIG. 8 is a schematic view of one embodiment of a photovoltaic bracket of a photovoltaic device provided by the present utility model;

FIG. 9 is a schematic view of another embodiment of a photovoltaic bracket of a photovoltaic device provided by the present utility model;

FIG. 10 is a schematic view of a stop groove of a second frame of the photovoltaic device provided by the present utility model;

FIG. 11 is a schematic view of another construction of the photovoltaic device provided by the present utility model;

FIG. 12 is a schematic view of an edge compact of a photovoltaic device provided by the present utility model;

Fig. 13 is a schematic view of a medium voltage block of the photovoltaic device provided by the utility model.

In the figure:

1. A laminate; 11. double-sided battery plates; 12. a fixed structure; 121. an upper cover plate; 122. a back plate;

2. A first frame; 21. a first mounting groove; 211. a first upper wall; 212. a first lower wall; 213. a first sidewall; 22. a first fixed cavity; 221. a first inner side plate; 222. a first lower side plate; 223. a first outer side plate;

3. A second frame; 31. a second mounting groove; 311. a second upper wall; 312. a second lower wall; 313. a second sidewall; 314. sealing glue; 32. a second fixed cavity; 321. a second inner side plate; 322. a second lower side plate; 323. a second outer side plate; 33. a support groove; 331. a baffle; 332. a support plate;

4. A photovoltaic support; 41. a supporting and limiting part; 411. a top plate; 412. a first limiting plate; 413. a second limiting plate; 42. an inner cavity;

5. briquetting; 51. pressing the edges into blocks; 511. a first frame positioning mechanism; 5111. a first positioning plate; 5112. a second positioning plate; 512. a bracket positioning mechanism; 5121. a third positioning plate; 5122. a fourth positioning plate; 5123. a fifth positioning plate; 52. a middle pressing block; 521. a second frame positioning mechanism; 5211. a sixth positioning plate; 5212. a seventh positioning plate;

6. A compressing mechanism; 61. a limiting block; 62. and a connecting piece.

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 the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

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 fixed or removable, 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 will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the present utility model provides a photovoltaic cell assembly, the photovoltaic cell assembly includes a laminate 1 and a frame structure, the laminate 1 includes a double-sided battery sheet 11 and a fixing structure 12, the fixing structure 12 includes an upper cover plate 121 and a back plate 122, and the double-sided battery sheet 11 is sandwiched between the upper cover plate 121 and the back plate 122; the frame structure is formed with a mounting groove into which the end of the laminate 1 can be inserted, and the depth a of the mounting groove is less than or equal to the distance b between the end face of the laminate 1 inserted into the mounting groove and the same end edge of the double-sided battery piece 11.

In the prior art, in order to improve the load bearing capacity of the photovoltaic cell assembly, in general, a part of the structure of the cell is inserted into the mounting groove, especially for a single-sided cell, the frame for fixing the single-sided cell shields more of the back of the cell, and if the frame is used for a double-sided cell, the waste of resources can be caused. In the photovoltaic cell assembly of the embodiment of the utility model, the double-sided cell 11 is laid between the upper cover plate 121 and the back plate 122, and the depth a of the mounting groove of the frame structure is limited to be smaller than or equal to the distance b between the edge of the fixing structure 12 inserted into the mounting groove and the corresponding side edge of the double-sided cell 11, so that shielding of the frame structure to the edge of the back surface of the double-sided cell 11 is eliminated, the back surface of the double-sided cell 11 can completely irradiate sunlight, the utilization efficiency of the double-sided cell 11 is improved, and the power generation efficiency of the photovoltaic cell assembly is further improved.

Alternatively, an appropriate amount of sealant 314 is added to the mounting groove before the laminate 1 is inserted into the mounting groove, and after the laminate 1 is inserted into the mounting groove, the sealant 314 fills the void of the mounting groove and cures to form a sealing layer. It should be noted that the amount of the sealant 314 injected is required to ensure that no overflow from the mounting groove or the sealant 314 overflowing is not shielded from the double-sided battery cell 11.

In order to improve the supporting effect and the protective effect on the laminate 1, the frame structure is an annular frame, and an annular mounting groove is formed on the inner side of the frame structure. The laminate 1 has a plate-like structure, and all the ends of the laminate 1 are snapped into the corresponding portions of the mounting groove in a one-to-one correspondence.

In some embodiments, as shown in fig. 2, the laminate 1 is a rectangular plate-like structure, the frame structure is a rectangular frame, and a mounting space for mounting the laminate 1 is formed in the frame structure. The frame structure constitutes an annular closed structure capable of protecting and supporting the laminate 1.

Further, the frame structure is a splice structure, optionally referring to fig. 2-4, the frame structure comprises a first frame 2 located at the non-supporting side of the laminate 1, the first frame 2 comprising a first mounting groove 21, the first mounting groove 21 being for mounting the laminate 1. The frame structure comprises a second frame 3 at the supporting side of the laminate 1, the second frame 3 comprising a second mounting groove 31, the second mounting groove 31 being for mounting the laminate 1, the second frame 3 being for the photovoltaic bracket 4 to support. It should be noted that, the supporting side and the non-supporting side of the frame structure are distinguished according to whether the photovoltaic bracket 4 is required to be supported, the supporting side is required to be supported by the photovoltaic bracket 4, and the non-supporting side is not required to be supported by the photovoltaic bracket 4.

The photovoltaic cell assembly can be used independently, can also be used in a plurality of splices, and according to different positions and requirements, the frame structure has following several constitution forms: a. the frame structure consists of only the first frame 2; b. the frame structure is composed of only the second frame 3; c. the frame structure is composed of a first frame 2 and a second frame 3.

In some embodiments, as shown in fig. 2, one set of opposite sides of the laminated piece 1 having a rectangular plate shape is a supporting side and is respectively mounted on two second frames 3, the two second frames 3 are fixedly supported by the photovoltaic bracket 4, and the other set of opposite sides of the laminated piece 1 is an unsupported side and is respectively mounted on two first frames 2.

As shown in fig. 3, the first frame 2 includes a first mounting groove 21, the first mounting groove 21 being formed of a first upper wall 211, a first lower wall 212, and a first side wall 213 connecting the first upper wall 211 and the first lower wall 212, the first mounting groove 21 being used for mounting the laminate 1.

As shown in fig. 4, the second bezel 3 includes a second mounting groove 31, the second mounting groove 31 being formed of a second upper wall 311, a second lower wall 312, and a second side wall 313 connecting the second upper wall 311 and the second lower wall 312, the second mounting groove 31 being used for mounting the laminate 1.

Further, in order to realize the detachable connection of the first frame 2 and the second frame 3, the frame structure further comprises an angle code, the first frame 2 and the second frame 3 are connected through the angle code, the angle code comprises a first part and a second part which are connected in an included angle, a first fixed cavity 22 for accommodating the first part is arranged on the first frame 2, and a second fixed cavity 32 for accommodating the second part is arranged on the second frame 3. Referring to fig. 3 and 4, the first fixing chamber 22 is located below the first lower wall 212, and the first fixing chamber 22 is formed of the first lower wall 212, the first inner side plate 221, the first lower side plate 222, and the first outer side plate 223. The second fixing chamber 32 is located below the second lower wall 312, and the second fixing chamber 32 is formed by the second lower wall 312, the second inner side plate 321, the second lower side plate 322, and the second outer side plate 323. In some embodiments, the first outer panel 223 is a unitary structure with the first sidewall 213 and the second outer panel 323 is a unitary structure with the second sidewall 313. At the second lower wall 312 in the second fixation chamber 32, a connection structure is also provided for fixation of the corner fittings.

In one embodiment of the present utility model, as shown in fig. 5, the corner brace is riveted to the first lower side plate 222 and the second lower side plate 322. In another embodiment of the present utility model, as shown in fig. 6, the corner brace is riveted with the first inner side plate 221 and the second inner side plate 321. In some other embodiments, the first frame 2 and the second frame 3 may be detachably mounted by bolts and nuts.

The utility model also provides a photovoltaic device which comprises the photovoltaic bracket 4 and the photovoltaic cell assembly, wherein the photovoltaic bracket 4 is arranged below the photovoltaic cell assembly and is used for supporting a frame structure of the photovoltaic cell assembly.

With continued reference to fig. 4, the second frame 3 is provided with a support groove 33, and the second frame 3 includes a baffle 331 and a support plate 332 forming the support groove 33, where the support groove 33 is used to limit at least a portion of the photovoltaic bracket 4. In the present embodiment, the baffle 331 and the second outer plate 323 are integrally formed, and the support plate 332 and the second lower plate 322 are integrally formed.

In order to maximize the utilization of sunlight, the photovoltaic support 4 has a certain height and an inclination angle, in the prior art, when the photovoltaic cell assembly is fixed with the photovoltaic support, a manual positioning mode is generally adopted, the photovoltaic cell assembly is lifted and kept relatively stable according to the height and the inclination angle of the photovoltaic support, and a worker can continue to carry and install the next photovoltaic cell assembly until the photovoltaic cell assembly is fixed, so that the labor intensity of the installer is high, and the installation efficiency is low. According to the photovoltaic device provided by the utility model, the photovoltaic cell assembly can be placed on the photovoltaic support 4 after being lifted, and the photovoltaic support 4 can support the photovoltaic cell assembly without manual positioning, so that the working intensity is reduced, meanwhile, the carrying work can be continuously carried out, the working time is saved, and the working efficiency is improved.

As shown in fig. 7 and 8, the photovoltaic bracket 4 includes a supporting and limiting portion 41, preferably, the photovoltaic bracket 4 includes two supporting and limiting portions 41 disposed at intervals, and the supporting and limiting portions 41 are used for supporting the second frame 3 or cooperating with other structures to realize limiting of the photovoltaic cell assembly. In some embodiments, the supporting and limiting portion 41 is limited in the supporting slot 33, the supporting and limiting portion 41 includes a top plate 411, a first limiting plate 412 and a second limiting plate 413, the top plate 411 abuts against the supporting plate 332, and the first limiting plate 412 abuts against the baffle 331.

Optionally, another embodiment of the photovoltaic bracket 4 is provided, as shown in fig. 9, the supporting and limiting part 41 includes a top plate 411 and a first limiting plate 412, and the bottoms of the two first limiting plates 412 are connected, so that the photovoltaic bracket 4 has a simpler structure, reduces manufacturing difficulty, and saves cost. The first limiting plate 412 is further provided with a stop member, so that the photovoltaic cell assembly can be prevented from moving on the supporting and limiting portion 41. The stop member may be formed integrally with the photovoltaic bracket 4, for example by stamping the stop member onto the photovoltaic bracket 4, or may be a member separate from the photovoltaic bracket 4, for example in the form of a hook or the like. In this embodiment, as shown in fig. 10 and 11, a stop groove is formed on the second frame 3, and the stop member is in the form of a stop block, so that the stop block can be inserted into the stop groove, and further, the relative movement between the photovoltaic cell assembly and the photovoltaic support 4 is limited, the stability of the installation between the photovoltaic cell assembly and the photovoltaic support 4 is enhanced, and the installation process is also more convenient and quicker.

Further, as shown in fig. 7, the photovoltaic device further includes a pressing block 5, where the pressing block 5 includes a side pressing block 51, the side pressing block 51 includes a first frame positioning mechanism 511 and a support positioning mechanism 512, the first frame positioning mechanism 511 is pressed against the second frame 3 from top to bottom, one of the supporting and limiting portions 41 of the photovoltaic support 4 is pressed against the other supporting and limiting portion 41 from bottom to top.

In this embodiment, as shown in fig. 12, the first frame positioning mechanism 511 includes a first positioning plate 5111 and a second positioning plate 5112 that are vertically connected, the first positioning plate 5111 abuts against the second upper wall 311, and the second positioning plate 5112 is disposed or abuts against the second side wall 313 at a distance, so that stability between the supporting and limiting portion 41 and the second frame 3 supported thereby is ensured. Alternatively, the first positioning plate 5111 is provided with a serration structure on the bottom surface thereof contacting the second upper wall 311, which can enhance the friction between the first positioning plate 5111 and the second upper wall 311.

With continued reference to fig. 12, the bracket positioning mechanism 512 includes a third positioning plate 5121, a fourth positioning plate 5122 and a fifth positioning plate 5123 which are connected in an inverted U-shape, the third positioning plate 5121 is abutted against the top plate 411, and the fourth positioning plate 5122 and the fifth positioning plate 5123 are respectively limited on the outer sides of the first limiting plate 412 and the second limiting plate 413, so that the relative movement of the edge pressing block 51 can be limited, and the stability between the edge pressing block 51 and the photovoltaic bracket 4 is ensured.

Further, the photovoltaic cell assembly is provided with a plurality of groups, the pressing block 5 comprises a middle pressing block 52, the middle pressing block 52 comprises two second frame positioning mechanisms 521, the two second frame positioning mechanisms 521 are arranged in one-to-one correspondence with the two second frames 3 adjacently arranged, the second frame positioning mechanisms 521 are propped against the corresponding second frames 3 from top to bottom, and the two supporting and limiting parts 41 respectively support the corresponding second frames 3 from bottom to top.

In this embodiment, as shown in fig. 13, the second frame positioning mechanism 521 includes a sixth positioning plate 5211 and a seventh positioning plate 5212 that are vertically connected, the sixth positioning plate 5211 abuts against the second upper wall 311, and the seventh positioning plate 5212 is spaced apart from or abuts against the second side wall 313. Optionally, the bottom surface of the sixth positioning plate 5211 is provided with a saw-tooth structure, and the saw-tooth structure abuts against the second upper wall 311, so as to enhance the friction between the sixth positioning plate 5211 and the second upper wall 311. Optionally, the bottoms of the two second frame positioning mechanisms 521 are connected by a connecting portion, so that the two second frames 3 are pressed together with the photovoltaic bracket 4, and meanwhile, the two second frames 3 adjacently arranged are ensured to be relatively stable.

In the prior art, most of photovoltaic cell assemblies and photovoltaic supports are installed by adopting flat pressing blocks, and the flat pressing blocks are easy to loosen or even fall off in severe weather such as typhoon, rain, snow and the like, so that economic loss and safety threat are caused. According to the pressing block 5 provided by the embodiment of the utility model, the stability of the photovoltaic cell assembly and the photovoltaic bracket 4 is enhanced through the edge pressing block 51, the stability between the adjacent photovoltaic cell assemblies is enhanced through the middle pressing block 52, and the safety of the photovoltaic device is improved.

Optionally, the photovoltaic device further includes a pressing mechanism 6, the pressing mechanism 6 includes a limiting block 61 and a connecting piece 62, the photovoltaic bracket 4 further includes an inner cavity 42 formed between the two supporting and limiting portions 41, the limiting block 61 is located in the inner cavity 42, two ends of the limiting block 61 respectively abut against inner sides of the two supporting and limiting portions 41, and the connecting piece 62 passes through the pressing block 5 and is connected with the limiting block 61. In some embodiments, the connector 62 is a bolt.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. 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. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A photovoltaic cell assembly, the photovoltaic cell assembly comprising:

A laminated piece (1), wherein the laminated piece (1) comprises a double-sided battery piece (11) and a fixing structure (12), the fixing structure (12) comprises an upper cover plate (121) and a back plate (122), and the double-sided battery piece (11) is clamped between the upper cover plate (121) and the back plate (122);

The frame structure is provided with a mounting groove, the end part of the laminated piece (1) can be inserted into the mounting groove, and the depth a of the mounting groove is smaller than or equal to the distance b between the end face of the laminated piece (1) inserted into the mounting groove and the edge of the same end of the double-sided battery piece (11).

2. The photovoltaic cell assembly of claim 1 wherein,

The frame structure is an annular frame, and an annular mounting groove is formed in the inner side of the frame structure.

3. The photovoltaic cell assembly of claim 1 wherein,

The frame structure comprises a first frame (2) on the non-supporting side of the laminate (1), the first frame (2) comprising a first mounting groove (21), the first mounting groove (21) being for mounting the laminate (1);

And/or the frame structure comprises a second frame (3) positioned on the supporting side of the laminated piece (1), wherein the second frame (3) comprises a second mounting groove (31), the second mounting groove (31) is used for mounting the laminated piece (1), and the second frame (3) is used for supporting a photovoltaic bracket (4).

4. The photovoltaic cell assembly of claim 3 wherein,

The second frame (3) is provided with a supporting groove (33), and the supporting groove (33) is used for limiting at least part of the photovoltaic support (4).

5. The photovoltaic cell assembly of claim 1 wherein,

The frame structure comprises a first frame (2) located on the non-supporting side of the laminate (1) and a second frame (3) located on the supporting side of the laminate (1);

The frame structure further comprises an angle code, the first frame (2) and the second frame (3) are connected through the angle code, the angle code comprises a first part and a second part which are connected through an included angle, a first fixed cavity (22) for accommodating the first part is arranged on the first frame (2), and a second fixed cavity (32) for accommodating the second part is arranged on the second frame (3).

6. A photovoltaic device comprising a photovoltaic support (4) and a photovoltaic cell assembly according to any of claims 1 to 5, said photovoltaic support (4) being arranged below said photovoltaic cell assembly and being adapted to support a frame structure of said photovoltaic cell assembly.

7. The photovoltaic device of claim 6, wherein the photovoltaic device comprises,

The frame structure comprises a second frame (3) on the support side of the laminate (1), the second frame (3) comprising a baffle (331) and a support plate (332) forming a support groove (33);

The photovoltaic support (4) comprises a supporting limiting part (41), the supporting limiting part (41) is limited in the supporting groove (33), the supporting limiting part (41) comprises a top plate (411) and a first limiting plate (412), the top plate (411) is abutted to the supporting plate (332), and the first limiting plate (412) is abutted to the baffle (331).

8. The photovoltaic device of claim 7, wherein the photovoltaic device comprises,

The photovoltaic bracket (4) comprises two supporting and limiting parts (41) which are arranged at intervals;

The photovoltaic device further comprises a pressing block (5), the pressing block (5) comprises a side pressing block (51), the side pressing block (51) comprises a first frame positioning mechanism (511) and a support positioning mechanism (512), the first frame positioning mechanism (511) is pressed against the second frame (3) from top to bottom, one of the photovoltaic supports (4) supports the limiting part (41) from bottom to top to support the second frame (3), and the support positioning mechanism (512) is pressed against the other supporting limiting part (41).

9. The photovoltaic device of claim 7, wherein the photovoltaic device comprises,

The photovoltaic cell assembly is provided with a plurality of groups;

The photovoltaic bracket (4) comprises two supporting and limiting parts (41) which are arranged at intervals;

The photovoltaic device further comprises a pressing block (5), the pressing block (5) comprises a middle pressing block (52), the middle pressing block (52) comprises two second frame positioning mechanisms (521), the two second frame positioning mechanisms (521) are arranged in one-to-one correspondence with the two second frames (3) which are adjacently arranged, the second frame positioning mechanisms (521) are pressed against the corresponding second frames (3) from top to bottom, and the two supporting limiting parts (41) are used for supporting the corresponding second frames (3) from bottom to top respectively.

10. The photovoltaic device according to claim 8 or 9, characterized in that,

The photovoltaic bracket (4) further comprises an inner cavity (42) formed between the two supporting and limiting parts (41); the photovoltaic device further comprises a pressing mechanism (6), the pressing mechanism (6) comprises a limiting block (61) and a connecting piece (62), the limiting block (61) is located in the inner cavity (42), two ends of the limiting block (61) are respectively abutted to the inner sides of the supporting limiting parts (41), and the connecting piece (62) penetrates through the pressing block (5) to be connected with the limiting block (61).