CN219918832U

CN219918832U - Photovoltaic module

Info

Publication number: CN219918832U
Application number: CN202321088982.5U
Authority: CN
Inventors: 李小军; 曾飞亮; 包静
Original assignee: Hefei GCL Integrated New Energy Technology Co Ltd
Current assignee: Hefei GCL Integrated New Energy Technology Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-27
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a photovoltaic module, which comprises a rectangular frame formed by connecting a pair of short frames and a pair of long frames and a lamination piece fixed on the rectangular frame; the short frame comprises a hollow short frame main body and a first extension part, the first extension part extends along the length direction of the short frame main body and upwards extends from the outer edge of the upper surface of the short frame main body, and a first adhesive storage part which is sunken is arranged on the upper surface of the short frame main body and close to the outer edge; the lower surfaces of the pair of short edges of the laminated piece are respectively adhered to the upper surfaces of the two short frame bodies, the side surfaces of the pair of short edges of the laminated piece are respectively adhered to the inner sides of the two first extending parts, and the upper surface of the laminated piece is not lower than the height of the first extending parts. The photovoltaic module of this disclosure does not have the A face and has stores up gluey portion, has solved the accumulational problem of debris such as rainwater, dust of photovoltaic module and has overflowed gluey problem, has simplified photovoltaic module's assembly process simultaneously, has practiced thrift the volume of gluing, has avoided the dress frame process to take place to explode the piece.

Description

Photovoltaic module

Technical Field

The utility model relates to the field of photovoltaic power generation, in particular to a photovoltaic module.

Background

In recent years, along with the rapid development of national economy, the whole building industry is driven to develop towards green and environment-friendly, clean energy and environment-friendly directions, and meanwhile, the development of some new energy and renewable energy industries is stimulated. The development of the photovoltaic industry in the building industry presents a good development situation, wherein the development of the integrated photovoltaic building is particularly prominent. The photoelectric integrated building with great development is a key step in energy transformation of buildings in China, and is worthy of affirming important strategic significance for sustainable development.

The existing photovoltaic module is provided with an A face, namely a top face of a frame, after the photovoltaic module is assembled, the A face of the frame is 2-3 mm higher than the front face of the laminated piece, when the module is used outdoors, rainwater, dust, dead leaves and other impurities can be accumulated on the inner side of the A face of the frame, the surface of the laminated piece is shielded, and then the power generation of the module is affected.

In order to avoid the occurrence of the above situation, an A-plane-free frame is developed. The applicant has previously applied for the chinese patent "photovoltaic module" of application number 2022224520972, it discloses a frame that does not have a face, can solve the photovoltaic module and easily form the accumulation problem of rainwater, dust etc. but because the frame does not have anti-overflow to glue the structure, cause the subassembly to have the possibility that glue overflows from the front when assembling easily, need the manual work to erase glue.

Disclosure of Invention

In order to solve at least one technical problem in the prior art, the utility model provides a photovoltaic module, which is free from the accumulation problem of sundries such as rainwater, dust and the like during outdoor use and free from the problems of glue overflow and explosion blocking during assembly.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: a photovoltaic module comprises a rectangular frame formed by connecting a pair of short frames and a pair of long frames and a lamination piece fixed on the rectangular frame;

the short frame includes:

a hollow short frame main body, wherein a first sunk glue storage part is arranged on the upper surface of the short frame main body close to the outer edge; a kind of electronic device with high-pressure air-conditioning system

A first extension part extending along the length direction of the short frame body and extending upwards from the outer edge of the upper surface of the short frame body;

the lower surfaces of a pair of short edges of the laminated piece are respectively adhered to the upper surfaces of the two short edge frame bodies, the side surfaces of the pair of short edges of the laminated piece are respectively adhered to the inner sides of the two first extension parts, and the upper surface of the laminated piece is not lower than the height of the first extension parts.

In some embodiments, the long bezel comprises:

a hollow long frame main body, wherein a concave second glue storage part is arranged on the upper surface of the long frame main body near the outer edge; a kind of electronic device with high-pressure air-conditioning system

The second extension part extends along the length direction of the long frame main body and extends upwards from the outer edge of the upper surface of the long frame main body;

the lower surfaces of the pair of long edges of the laminated piece are respectively adhered to the upper surfaces of the two long frame bodies, the side surfaces of the pair of long edges of the laminated piece are respectively adhered to the inner sides of the two second extending parts, and the upper surface of the laminated piece is not lower than the height of the second extending parts.

In some embodiments, the first glue reservoir is progressively deeper in a direction from a location remote from the first extension to a location of the first extension.

In some embodiments, the upper surface of the short frame body includes a first main surface and a first inclined surface that forms a bottom surface of the first glue reservoir; the first chamfer extends from the first major surface toward the first extension at an angle relative to a plane in which the first major surface lies.

In certain embodiments, the first extension forms an angle with the first incline of less than 90 °.

In some embodiments, the second glue reservoir is progressively deeper in a direction from a location remote from the second extension to a location of the second extension.

In some embodiments, the upper surface of the long frame body includes a second main surface and a second inclined surface that forms a bottom surface of the second glue reservoir; the second chamfer extends from the second major surface toward the second extension at an angle relative to a plane in which the second major surface lies.

In certain embodiments, the second extension forms an angle with the second bevel of less than 90 °.

In certain embodiments, the upper surface of the short frame body and the inner side surface of the first extension are coated with sealing silicone.

In some embodiments, the upper surface of the long bezel body and the inner side surface of the second extension are coated with sealing silicone.

In certain embodiments, a PERC battery, a TOPCon battery, or a HJT battery is packaged within the laminate.

The utility model has the beneficial effects that:

1. according to the photovoltaic module, the frame does not have an A surface, the first extension part and the second extension part are not beyond the top surface of the laminated piece, rainwater, dust, sundries and the like are not accumulated when the photovoltaic module is used outdoors, the frame does not shade the laminated piece, the light receiving area of the laminated piece is increased, the generating capacity of the photovoltaic module is improved, and meanwhile, when the photovoltaic module is assembled, the framing process of the photovoltaic module is simplified, and the explosion of the photovoltaic module in the framing process is avoided;

2. because the frame has no A surface, only the upper surface of the frame main body of the frame and the inner side surface of the extension part are required to be coated with silica gel, so that the glue amount is saved;

3. the frame of the photovoltaic module is provided with the glue storage part, when the photovoltaic module is assembled, the adhesive glue can flow from the glue beating surface to the glue storage part and is stored in the glue storage part, so that the possibility of glue overflow on the front surface of glass is reduced, the visible glue overflow standard of the C surface of the photovoltaic module and the glue overflow-free standard of the glass surface of the photovoltaic module are met, the glue overflow effect is easy to control, the assembly difficulty is reduced, and meanwhile, the glue storage part can play a role of glue storage, so that the back surface of the glass and the frame still have sufficient glue quantity to keep adhesion under the condition of laminating and overtightening.

Drawings

FIG. 1 is a top view of a photovoltaic module according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional structure of a short frame of a photovoltaic module according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional structure of a long frame of a photovoltaic module according to an embodiment of the utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and detailed description thereof, which are simplified schematic drawings which illustrate only the basic structure of the utility model and therefore show only those features which are relevant to the utility model, it being noted that embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways that are different than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1, there is provided a photovoltaic module including a rectangular frame formed by connecting a pair of short frames 1 and a pair of long frames 2, and a laminate 3 fixed to the rectangular frame.

Referring to fig. 2, the short frame includes a hollow short frame body 10 and a first extension portion 11, wherein the first extension portion 11 extends along the length direction of the short frame body 10 and extends upward from the outer edge of the upper surface of the short frame body 10, and a recessed first glue storage portion 100 is disposed on the upper surface of the short frame body 10 near the outer edge.

In some embodiments, the depth of the first glue reservoir 100 gradually increases in a direction from a position away from the first extension 11 toward a position of the first extension 11.

Specifically, the upper surface of the short frame body 10 includes a first main surface 101 and a first inclined surface 102 that forms the bottom surface of the first glue reservoir 100; the first chamfer 102 extends from the first main surface 110 towards the first extension 11 at an angle relative to the plane in which the first main surface 101 lies. Preferably, the angle between the first extension 11 and the first inclined surface 101 is smaller than 90 °.

Referring to fig. 3, the long frame 2 includes a hollow long frame body 20 and a second extension portion 21, the second extension portion 21 extends along the length direction of the long frame body 20 and extends upward from the outer edge of the upper surface of the long frame body 20, and a recessed second glue storage portion 200 is disposed on the upper surface of the long frame body 20 near the outer edge.

In some embodiments, the depth of the second paste storage portion 200 gradually increases in a direction from a position away from the second extension portion 21 toward a position of the second extension portion 21.

Specifically, the upper surface of the long frame body 20 includes a second main surface 201 and a second inclined surface 202 forming the bottom surface of the second adhesive storage portion 200; the second inclined surface 202 extends from the second main surface 201 toward the second extension 21 at an angle with respect to a plane in which the second main surface 201 is located. Preferably, the second extension 21 forms an angle with the second bevel 202 of less than 90 °.

The lower surfaces of the pair of short edges of the laminate 3 are adhered to the upper surfaces of the two short frame bodies 10, respectively, and the side surfaces of the pair of short edges of the laminate 3 are adhered to the inner sides of the two first extending portions 11, respectively, and the upper surface of the laminate 3 is not lower than the height of the first extending portions 11. The lower surfaces of the pair of long edges of the laminated member 3 are respectively adhered to the upper surfaces of the two long frame bodies 20, the side surfaces of the pair of long edges of the laminated member 3 are respectively adhered to the inner sides of the two second extending portions 21, and the upper surface of the laminated member 3 is not lower than the height of the second extending portions 21.

In some embodiments, the upper surface of the short frame body 10 and the inner side surface of the first extension 11 are coated with sealing silicone rubber, and the upper surface of the long frame body 20 and the inner side surface of the second extension 21 are coated with sealing silicone rubber.

The notch of the conventional frame is wider, generally more than or equal to 6mm, the thickness of the edge of the laminated piece is generally about 5mm, more glue is needed to be filled in the frame groove, meanwhile, the conventional frame component requires that the A surface has glue overflow with the depth of not less than 3mm, and the laminated piece 3 is respectively attached to the upper surface of the short frame main body 10 and the inner side surface of the first extension part 11 and attached to the upper surface of the long frame main body 20 and the inner side surface of the second extension part 21, and only the surface of the frame is required to be coated with the silicon gel, so that the glue amount is saved.

Meanwhile, the upper surface of the short frame main body 10 or the upper surface of the long frame main body 20 can be glued only by one gluing operation, the gluing process is simple, the framing cost is low, and the framing efficiency is high. And in the process of gluing, the problem that the gluing head is broken due to the impact of the frame can not occur, and when the gluing is moved, the gluing effect is visualized, so that the gluing effect is convenient to detect.

Specifically, when the glue is applied to the upper surface of the short frame body 10 and the upper surface of the long frame body 20, the glue gun is first hung on the first main surface 101 or the second main surface 201, and then the glue applying head is moved to apply glue along the direction of the short frame body 10 or the length direction of the long frame body 20 against the first main surface 101 or the second main surface 201, wherein the landing point of the glue applying head is right in the middle or middle of the first main surface 101 or the second main surface 201.

Preferably, the dispensing head is maintained above the centerline of the first major surface 101 or the second major surface 201 and moves the dispensing along the centerline of the first major surface 101 or the second major surface 201. In this way, when the laminated piece 3 is placed on the rectangular frame and a certain pressure is applied to the front surface of the laminated piece 3, the glue coated on the first main surface 101 or the second main surface 201 is extruded to overflow to two sides, and the glue overflowing to one side of the first extension part 11 or the second extension part 21 is stored in the first glue storage part 100 or the second glue storage part 200, so that the possibility of overflowing to the surface of the laminated piece between the laminated piece 3 and the first extension part 11 or the second extension part 21 is reduced, and the standards of visual glue overflow of the C surface and no glue overflow of the A surface of the photovoltaic module are further met. At the same time, the glue stored in the first glue reservoir 100 and the second glue reservoir 200 also ensures that in case of too tight a laminate, there is still a sufficient amount of glue to the glass back and the frame to remain adhered.

In some embodiments, the long bezel 2 further includes a bottom plate 23, the bottom plate 23 extending along the length of the long bezel body 20 and extending horizontally from the bottom surface of the long bezel body 20 toward the laminate 3. The bottom plate 23 is provided with a plurality of mounting holes through which a photovoltaic module is fixed to the bracket by press blocks or bolts.

In some embodiments, a PERC battery, a TOPCon battery, or a HJT battery is packaged within the laminate 3.

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 skilled in the art in specific cases.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic module, characterized by comprising a rectangular frame formed by connecting a pair of short frames (1) and a pair of long frames (2) and a lamination piece (3) fixed on the rectangular frame;

the short frame (1) comprises:

a hollow short frame main body (10), wherein a first sunk glue storage part (100) is arranged on the upper surface of the short frame main body (10) near the outer edge; a kind of electronic device with high-pressure air-conditioning system

A first extension portion (11) extending in the longitudinal direction of the short frame body (10) and extending upward from the outer edge of the upper surface of the short frame body (10);

the lower surfaces of a pair of short edges of the laminated piece (3) are respectively adhered to the upper surfaces of the two short edge frame bodies (10), the side surfaces of the pair of short edges of the laminated piece (3) are respectively adhered to the inner sides of the two first extension parts (11), and the upper surface of the laminated piece (3) is not lower than the height of the first extension parts (11).

2. The photovoltaic module according to claim 1, characterized in that the long frame (2) comprises:

a hollow long frame main body (20), wherein a concave second glue storage part (200) is arranged on the upper surface of the long frame main body (20) near the outer edge; a kind of electronic device with high-pressure air-conditioning system

A second extension part (21) extending along the length direction of the long frame main body (20) and extending upwards from the outer edge of the upper surface of the long frame main body (20);

the lower surfaces of a pair of long edges of the laminated piece (3) are respectively adhered to the upper surfaces of the two long frame bodies (20), the side surfaces of the pair of long edges of the laminated piece (3) are respectively adhered to the inner sides of the two second extension parts (21), and the upper surface of the laminated piece (3) is not lower than the height of the second extension parts (21).

3. The photovoltaic module according to claim 1, characterized in that the depth of the first glue reservoir (100) gradually increases in a direction from a position remote from the first extension (11) towards a position of the first extension (11).

4. A photovoltaic module according to claim 3, wherein the upper surface of the short frame body (10) comprises a first main surface (101) and a first inclined surface (102) constituting the bottom surface of the first glue reservoir (100); the first chamfer (102) extends from the first main surface (101) towards the first extension (11) at an angle relative to a plane in which the first main surface (101) lies.

5. The photovoltaic module according to claim 4, characterized in that the first extension (11) forms an angle with the first bevel (102) of less than 90 °.

6. The photovoltaic module according to claim 2, characterized in that the depth of the second glue reservoir (200) gradually increases in a direction from a position remote from the second extension (21) towards a position of the second extension (21).

7. The photovoltaic module according to claim 6, wherein the upper surface of the long frame body (20) comprises a second main surface (201) and a second inclined surface (202) forming the bottom surface of the second glue reservoir (200); the second bevel (202) extends from the second main surface (201) towards the second extension (21) at an angle relative to a plane in which the second main surface (201) lies.

8. The photovoltaic module according to claim 7, characterized in that the angle of the second extension (21) to the second bevel (202) is less than 90 °.

9. The photovoltaic module according to any one of claims 1 to 8, characterized in that the upper surface of the short frame body (10) and the inner side of the first extension (11) are coated with sealing silicone.

10. The photovoltaic module according to any one of claims 2, 6 to 8, characterized in that the upper surface of the long-frame body (20) and the inner side of the second extension (21) are coated with sealing silicone.

11. The photovoltaic module of any of claims 1 to 8 wherein the laminate encapsulates a PERC cell, a TOPCon cell, or a HJT cell.