CN219535996U

CN219535996U - Frame component for photovoltaic component and photovoltaic component

Info

Publication number: CN219535996U
Application number: CN202223523034.8U
Authority: CN
Inventors: 卢国伟; 杨智; 张树德; 葛中伟; 赵亚婷
Original assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc
Current assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-08-15
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a frame assembly for a photovoltaic assembly and the photovoltaic assembly. The frame subassembly includes integrated into one piece's frame and with frame matched with sealing piece, the frame include a plurality of side frames of end to end, form hold the chamber between the side frame, set up the installing port on one of them side frame, sealing piece sets up in installing port department, and connects through first connection structure between its length direction's both ends and the installing port inner wall, connects through the second connection structure between at least one end of direction of height and the installing port. The frame component provided by the utility model has excellent waterproof performance, and the first connecting structure and the second connecting structure arranged between the sealing block and the mounting opening can conveniently and reliably fix the sealing block in the mounting opening so as to seal the mounting opening.

Description

Frame component for photovoltaic component and photovoltaic component

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a frame assembly for a photovoltaic assembly and the photovoltaic assembly.

Background

With advances in technology and market demand, there is a high demand for high power photovoltaic cells. The heterojunction battery in the current industry has the advantages that the open-circuit voltage is effectively improved due to the adoption of a good passivation technology, and the heterojunction battery has high power. However, such batteries are very water-resistant and are subject to a risk of power attenuation when placed outdoors in hot and humid areas, and therefore, place greater demands on the design of the frame assembly for protecting the battery assembly.

The current heterojunction battery assembly can be locally blacked at a position close to the frame assembly after testing, so that the performance of the heterojunction battery assembly is reduced, and the phenomenon that water vapor invades is deduced by combining past big data and actual experience. The existing frame design is assembled by a plurality of side frames, more obvious gaps can exist, water vapor is easy to invade, the glue quantity is not well controlled, if the glue quantity is too much, the cost is increased, glue overflows, the appearance is affected, and the glue quantity is too little to cause the influence of the glue shortage of four corners on the bearing capacity of the frame.

Disclosure of Invention

The utility model aims to provide a frame assembly and a photovoltaic assembly with good waterproof performance.

In order to achieve the above purpose, the utility model provides a frame assembly for a photovoltaic module, which comprises an integrally formed frame and sealing blocks matched with the frame, wherein the frame comprises a plurality of side frames connected end to end, a containing cavity formed between the side frames, and a mounting opening formed on one side frame, the sealing blocks are arranged at the mounting opening, two ends of the sealing blocks in the length direction are connected with the inner wall of the mounting opening through a first connecting structure, and at least one end of the sealing blocks in the height direction is connected with the mounting opening through a second connecting structure.

As a further improvement of the utility model, the second connecting structure comprises a buckle arranged at one side of the height direction of the sealing block and a buckle groove concavely formed from the inner wall of the mounting port, and the buckle is matched with the buckle groove.

As a further improvement of the utility model, a slot is formed at one end of the sealing block in the height direction, the slot is opposite to the buckle slot, and the buckle is arranged at the slot and is connected with the inner wall of the slot through the connecting part.

As a further improvement of the utility model, the frame is rectangular, the side frames comprise two first side frames which are relatively parallel, two second side frames which are connected with the end parts of the two first side frames, the length of the first side frames is smaller than that of the second side frames, and the mounting opening is formed in the first side frames.

As a further improvement of the present utility model, the accommodation chamber has edge portions concavely formed in the side frames, and the edge portions are provided with chamfers at four corners of the inner wall opposite to the opening thereof.

As a further improvement of the utility model, the chamfer has a dimension of 1mm to 3mm.

As a further improvement of the present utility model, the first connecting structure includes a protrusion protruding outward from both ends in the longitudinal direction of the sealing block, a groove provided in the inner wall of the mounting port corresponding to the protrusion, the protrusion being accommodated in the groove.

As a further improvement of the utility model, guide surfaces extending in an inclined or arc shape are formed on two sides of the protruding part along the width direction of the side frame, and the inner wall surface of the groove is matched with the outer wall surface of the protruding part.

As a further improvement of the utility model, a glue overflow groove communicated with the edge part is arranged at the frame above the edge part.

The utility model also provides a photovoltaic module, which comprises a laminated piece and the frame component arranged around the laminated piece, wherein the laminated piece can enter a containing cavity in the frame from the mounting opening.

The utility model has the beneficial effects that:

1. the utility model provides a frame component for a photovoltaic component and the photovoltaic component, wherein the frame is of an integrally formed structure, only a first mounting port is reserved for inserting a lamination piece into a containing cavity in the frame, and a mounting port can be sealed by a sealing block, so that the frame component has excellent waterproof performance, and a first connecting structure and a second connecting structure arranged between the sealing block and the mounting port can conveniently and reliably fix the sealing block in the mounting port so as to seal the mounting port

2. The mode that the frame was installed is inserted from the installing port to the lamination piece makes the lamination piece can extrude the silica gel in the edge portion to the four corners department of edge portion, makes the four corners department of lamination piece correspond there is sufficient silica gel protection.

Drawings

Fig. 1 is a schematic diagram of an explosion structure of a photovoltaic module provided by the utility model;

FIG. 2 is a schematic view of a portion of the frame of FIG. 1;

FIG. 3 is a schematic view of a portion of the block of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the side frame and the seal block of FIG. 1 with the mounting opening;

FIG. 5 is an enlarged schematic view of FIG. 4A;

fig. 6 is a schematic cross-sectional view of a portion of the frame of fig. 1.

In the figure:

100. a photovoltaic module;

10. a frame assembly;

20. a laminate;

1. a frame; 11. a side frame; 12. a receiving chamber; 121. an edge portion; 122. chamfering; 13. a mounting port; 131. a groove; 132. a buckle groove; 14. a glue overflow groove;

2. sealing blocks; 21. a buckle; 22. slotting; 23. a connection part; 24. a projection.

Detailed Description

The present utility model will be described in detail below with reference to embodiments shown in the drawings. The embodiment is not intended to limit the present utility model, and structural, methodological, or functional modifications of the utility model according to the embodiment are included in the scope of the utility model.

Terms such as "upper," "lower," "left," "right," "front," "rear," and the like as used herein to refer to a spatial relative position are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be appreciated that the term spatially relative position is intended to encompass different orientations than those depicted in the figures, depending on the product placement location, and should not be construed as limiting the claims. In addition, the term "horizontal" as used herein is not entirely equivalent to being oriented perpendicular to gravity, allowing for some degree of tilt.

A photovoltaic module 100 as shown in fig. 1-3 includes a laminate 20 and a frame assembly 10 disposed about the laminate 20, the frame assembly 10 for protecting the laminate 20.

The frame assembly 10 comprises an integrally formed frame 1, the frame 1 comprising a plurality of side frames 11 connected end to end, between the side frames 11 a receiving cavity 12 for receiving a laminate 20 is formed. A mounting opening 13 is formed in one of the side frames 11, and the laminated member 20 is mounted in the accommodating chamber 12 from the mounting opening 13. The frame assembly 10 further comprises a sealing block 2 arranged at the mounting opening 13, wherein two ends of the sealing block 2 in the length direction are connected with the inner wall of the mounting opening 13 through a first connecting structure, and at least one end of the sealing block in the height direction is connected with the mounting opening 13 through a second connecting structure so as to seal the mounting opening 13.

The first connecting structure comprises a protruding part 24 protruding outwards from two ends of the sealing block 2 in the length direction, and a groove 131 formed in the inner wall of the mounting opening 13 corresponding to the protruding part 24, wherein after the sealing block 2 is inserted into the mounting opening 13, the protruding part 24 is accommodated in the groove 131, and the sealing block 2 can be fixed in the mounting opening 13. Further, guide surfaces extending in an inclined or arc shape are formed on both sides of the protruding portion 24 in the width direction of the side frame 11, and an inner wall surface of the groove 131 is matched with an outer wall surface of the protruding portion 24 so as to facilitate insertion of the sealing block 2 into the mounting opening 13.

The frame 1 in this embodiment is rectangular, and the plurality of side frames 11 specifically includes two first side frames parallel to each other, and two second side frames connected to ends of the two first side frames, where the length of the first side frame is smaller than that of the second side frame, and the mounting opening 13 is preferably formed on the first side frame, so that the lengths of the sealing block 2 and the mounting opening 13 are not too long to cause instability of the structure.

As shown in fig. 4 to 5, the second connection structure includes a buckle 21 disposed at one side of the height direction of the sealing block 2, and a buckle groove 132 formed by recessing from the inner wall of the mounting opening 13, where the buckle groove 132 and the buckle 21 are cooperatively disposed, and the buckle 21 can be buckled into the buckle groove 132 to further limit the sealing block 2 in the mounting opening 13.

As a preferable mode of the present embodiment, two second connection structures are provided, and the two second connection structures are respectively located at two sides of the sealing block in the length direction.

Further, a slot 22 is formed at one end of the sealing block 2 in the height direction, the slot 22 is opposite to the fastening slot 132, and the fastening buckle 21 is disposed at the slot 22 and is connected to the inner wall of the slot 22 through the connecting portion 23. The connecting portion and the sealing block 2 can be made of a tough material into an integral structure, in the process of inserting the sealing block 2 into the mounting opening 13, the inner wall of the mounting opening 13 abuts against the buckle 21, the connecting portion 23 is forced to deform in a direction away from the inner wall of the mounting opening 13, the buckle 21 moves into the slot 22 along with the deformation, after the buckle 21 moves to the position above the buckle slot 132, the connecting portion 23 resets, and the buckle 21 is buckled in the buckle slot 132. One side of the catch 21 adjacent to the catch groove 132 may be formed with a guide surface extending obliquely to facilitate insertion of the closure 2 into the mounting opening 13.

In the present embodiment, the slit 22 includes a first inner wall, a second inner wall, and a third inner wall connecting the tips of the first inner wall and the second inner wall, which are disposed opposite to each other in the width direction of the side frame 11, and the connecting portion 23 is disposed so as to protrude from the first inner wall toward the second inner wall, with a gap being provided between the connecting portion 23 and the third inner wall in the height direction of the side frame 11, the gap being a space left for deforming the connecting portion 23. In other embodiments, the connecting portion 23 may extend from the third inner wall toward the opening direction of the slot 22, with a gap between the connecting portion and the first side wall or the second side wall.

The accommodating chamber 12 has an edge portion 121 concavely formed in the side frame 1, and after the laminate 20 enters the accommodating chamber 12, the edge portion thereof is accommodated in the edge portion 121. In the specific installation, the edge part 121 of the three side frames 11 without the installation opening 13 can be filled with silica gel firstly to be used as a buffer at the joint of the laminated piece 20 and the frame 1, the laminated piece 20 is inserted into the accommodating cavity 12 from the installation opening 13, and the silica gel is extruded by the laminated piece 20 to overflow from the glue filling part to the position between the inner wall of the edge part 121 and the laminated piece 20. After the laminate 20 is completely inserted, the edge portion 121 of the side frame 11 provided with the mounting opening 13 is filled with silicone rubber, and then the mounting opening 13 is closed by the sealing block 2. After the laminate 20 is completely inserted into the accommodating chamber 12, the silicone rubber is pressed by the laminate 20 to four corners of the edge portion 121.

In order to prevent bursting during edging of the conventional laminate 20, there is generally a chamfer 122 of 1mm to 3mm at four corners, and as shown in fig. 6, the four corners of the inner wall of the edge portion 121 opposite to the opening of the present embodiment are provided with chamfers 122 to better accommodate the silicone pressed by the laminate 20 to the four corners of the edge portion 121, and the chamfer 122 is also 1mm to 3mm in size.

In the present embodiment, the frame 1 above the edge 121 is also provided with the glue overflow groove 14 communicating with the edge 121, and the glue overflow groove 14 can accommodate excessive silicone to prevent the silicone from overflowing to the top surface of the laminate 20.

In summary, the frame assembly 10 for the photovoltaic module 100 and the photovoltaic module 100 according to the present utility model are provided, the frame 1 is in an integrally formed structure, only the first mounting opening 13 is left for the lamination 20 to be inserted into the frame 1, and the mounting opening 13 can be sealed by the sealing block 2, so that the frame assembly 10 has excellent waterproof performance, and the first connecting structure and the second connecting structure between the sealing block 2 and the mounting opening 13 can conveniently and reliably fix the sealing block 2 in the mounting opening 13.

In addition, the integrally formed frame 1 also omits corner pieces for connecting a plurality of side frames in the existing frame 1, reduces the weight of the frame, and reduces the overall cost of the photovoltaic module 100.

It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A frame subassembly for photovoltaic module, its characterized in that, including integrated into one piece's frame and with frame matched with sealing piece, the frame includes a plurality of side frames of end to end, forms the holding chamber between the side frame, sets up the installing port on one of them side frame, sealing piece set up in installing port department, and its length direction's both ends with connect through first connection structure between the installing port inner wall, the direction of height at least one end with connect through second connection structure between the installing port.

2. The frame assembly according to claim 1, wherein the second connection structure comprises a buckle arranged at one side of the sealing block in the height direction and a buckle groove formed by recessing from the inner wall of the mounting opening, and the buckle is matched with the buckle groove.

3. The frame assembly according to claim 2, wherein a slot is formed at one end of the seal block in a height direction, the slot is opposite to the clip slot, and the clip is disposed at the slot and connected to an inner wall of the slot through the connection portion.

4. The frame assembly according to claim 1, wherein the frame is rectangular, the plurality of side frames include two first side frames that are relatively parallel, two second side frames that connect ends of the two first side frames, a length of the first side frame is smaller than a length of the second side frame, and the mounting opening is formed in the first side frame.

5. The rim assembly of claim 1, wherein the receiving cavity has edge portions concavely formed in the side frame, and the edge portions are provided with chamfers at four corners of the inner wall opposite to the opening thereof.

6. The rim assembly of claim 5, wherein the chamfer is 1mm to 3mm in size.

7. The rim assembly of claim 1, wherein the first connection structure includes a protrusion protruding outwardly from both ends of the sealing block in a length direction, and a groove formed in an inner wall of the mounting opening corresponding to the protrusion, the protrusion being received in the groove.

8. The rim assembly of claim 7, wherein the protrusion is formed with guide surfaces extending in an inclined or arc shape on both sides in a width direction of the side frame, and the inner wall surface of the groove is disposed to be matched with the outer wall surface of the protrusion.

9. The rim assembly of claim 1, wherein a glue overflow groove is formed in the rim above the rim portion and communicates with the rim portion.

10. A photovoltaic module comprising a laminate, the rim assembly of any one of claims 1 to 9 disposed around the laminate, the laminate being mounted from a mounting port in a receiving cavity and blocked by a seal.