CN220711423U - Encapsulation frame and photovoltaic module - Google Patents

Abstract

The utility model discloses a packaging frame and a photovoltaic module. The packaging frame comprises a frame body and a limiting piece, wherein the frame body is provided with an angle code cavity for the angle code to be embedded and connected, one side edge of the limiting piece is connected to the outer surface of one side wall of the frame body, an installation area for installing a solar cell is formed between the limiting piece and the side wall of the frame body, a bearing surface is formed on the surface of the side wall of the frame body, which is located in the installation area, the limiting piece is provided with an abutting part extending towards the installation area, the bearing surface is used for supporting part of the back surface of the solar cell, and the abutting part is used for abutting the end surface of the solar cell. The encapsulation frame load and the encapsulation frame glue overflow effect of this application are good, can reduce photovoltaic module's deposition effect, promote photovoltaic module's generated energy, also can reduce the hot spot effect simultaneously, reduce photovoltaic module's operating temperature.

Description

Encapsulation frame and photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a packaging frame and a photovoltaic module.

Background

In the photovoltaic field, when the photovoltaic module is installed, the photovoltaic module is installed at an inclined angle of 5-45 degrees in the south, and in a part of areas with larger outdoor dust, the phenomena of dust accumulation and water accumulation are easy to occur at the lower edge of a glass plate on the front side of the photovoltaic module, the dust accumulation and the water accumulation not only affect the power generation capacity of the photovoltaic module, but also cause the risk that the photovoltaic module is invalid due to the hot spot effect.

Disclosure of Invention

Based on this, it is necessary to provide a packaging frame. The packaging frame can ensure the load reliability, reduce the surface area ash of the photovoltaic module, improve the power generation output of the photovoltaic module and avoid the risk of failure of the photovoltaic module caused by the hot spot effect.

An embodiment of the application provides a packaging frame.

The utility model provides a packaging frame, includes frame main part and locating part, the frame main part has the angle sign indicating number chamber that is used for supplying the angle sign indicating number to inlay to establish the connection, one side edge of locating part connect in one of them lateral wall surface of frame main part, the locating part with form the installation zone who is used for installing solar cell between this lateral wall of frame main part, the frame main part be located this lateral wall surface in the installation zone forms the loading face, the locating part has the orientation the butt portion that the installation zone extends, wherein, the loading face is used for supporting the partial back of solar cell, the butt portion is used for the at least partial terminal surface of butt solar cell.

In some of these embodiments, the carrying surface has a glue reservoir for receiving the connecting member.

In some embodiments, the number of the glue storage grooves on the bearing surface is a plurality;

and/or the depth of the glue storage groove is 0.3 mm-0.5 mm;

and/or the inner wall of the glue storage groove is gradually narrowed and closed from the groove bottom surface to the groove opening.

In some of these embodiments, the bearing surface is inclined gradually inwardly at an angle of 0.3 ° to 0.7 ° from a side remote from the stop to a side immediately adjacent the stop.

In some embodiments, the limiting piece is bent towards the installation area, and a glue overflow groove is formed on the bending surface of the limiting piece towards the installation area, and the glue overflow groove is used for accommodating the connecting component.

In some embodiments, the outer surface of the abutting portion facing the mounting area is curved, and an adhesive groove for accommodating the connecting component is formed on the outer surface of the abutting portion.

In some embodiments, the maximum height of the limiting member along the direction perpendicular to the bearing surface is not less than the thickness of the solar cell.

In some embodiments, the frame body is in a hollow quadrangular prism structure, and the frame body includes a first side wall, a second side wall, a third side wall and a fourth side wall, where the first side wall, the second side wall, the third side wall and the fourth side wall are sequentially connected in sequence, and the limiting piece is connected to the outer surface of the first side wall.

In some embodiments, at least one of the inner surface of the first side wall, the inner surface of the second side wall, the inner surface of the third side wall, and the inner surface of the fourth side wall is connected with a plurality of reinforcing ribs.

In some embodiments, a support plate is connected to a corner of the second side wall and the third side wall, and the support plate extends away from the frame body along a plane where the third side wall is located.

An embodiment of the application also provides a photovoltaic module.

A photovoltaic module comprises a solar cell and the packaging frame, wherein the solar cell is packaged through the packaging frame.

The encapsulation frame load and the encapsulation frame glue overflow effect of this application are good, can reduce photovoltaic module's deposition effect, promote photovoltaic module's generated energy, also can reduce the hot spot effect simultaneously, reduce photovoltaic module's operating temperature.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.

For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.

FIG. 1 is a schematic view of a package frame according to an embodiment of the utility model;

FIG. 2 is a schematic diagram illustrating the cooperation between a packaging frame and a solar cell according to an embodiment of the utility model;

fig. 3 is a schematic structural diagram of a portion of the encapsulation frame shown in fig. 2 after being mated with a solar cell.

Description of the reference numerals

10. Packaging the frame; 100. a frame body; 101. the corner brace cavity; 110. a first sidewall; 111. a bearing surface; 1101. a glue storage groove; 120. a second sidewall; 130. a third sidewall; 140. a fourth sidewall; 150. reinforcing ribs; 160. a support plate; 200. a limiting piece; 201. a glue overflow groove; 210. an abutting portion; 211. an adhesive groove; 300. a mounting area; 20. a solar cell; 21. a front glass plate; 22. a first adhesive film; 23. a battery sheet; 24. a second adhesive film; 25. and a back glass plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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 the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The embodiment of the application provides a packaging frame 10 to solve among the conventional art, the phenomenon of grey accumulation, ponding easily appears in photovoltaic module front glass board 21 lower limb department, not only influence photovoltaic module's generated energy can also arouse the hot spot effect and lead to photovoltaic module to have the problem of inefficacy. The package bezel 10 will be described with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a packaging frame 10 according to an embodiment of the present application. The encapsulation rim 10 of the present application can be used for photovoltaic applications, and in particular for photovoltaic module mounting applications.

For a more clear description of the structure of the encapsulation frame 10, the encapsulation frame 10 will be described with reference to the accompanying drawings.

For example, referring to fig. 1, fig. 1 is a schematic structural diagram of a package frame 10 according to an embodiment of the present application. A packaging frame 10 comprises a frame main body 100 and a limiting piece 200.

The bezel body 100 has a corner key cavity 101 for the corner key to be connected. One side edge of the limiting member 200 is connected to an outer surface of one of the sidewalls of the bezel body 100, for example, an outer surface of the first sidewall 110. The stopper 200 forms a mounting region 300 for mounting the solar cell 20 with the first sidewall 110 of the bezel body 100. The stopper 200 has an abutment 210 extending toward the mounting region 300. The surface of the first side wall 110 of the frame body 100 located in the mounting area 300 forms a bearing surface 111, where, referring to fig. 2, fig. 2 is a schematic diagram illustrating the cooperation between the encapsulation frame 10 and the solar cell 20 according to an embodiment of the utility model, the bearing surface 111 is used for supporting the back surface of the solar cell 20, and the abutting portion 210 is used for abutting against at least part of the end surface of the solar cell 20.

In the frame component in this application, the bearing surface 111 is arranged in supporting the back of solar cell 20, and butt portion 210 is arranged in the terminal surface of butt solar cell 20, so realizes fixed to the installation of solar cell 20, and photovoltaic module installs the back with 5 ~ 45 inclination, and dust, the rainwater on the glass surface of solar cell 20 can break away from fast along the surface of butt portion 210, and butt portion 210 can not block the dust on the glass surface of solar cell 20, realizes that the glass surface of solar cell 20 is difficult for deposition, ponding.

In some of these embodiments, the bearing surface 111 has a glue reservoir 1101 for receiving the connecting member. The attachment means may be a structural adhesive, an adhesive or other cohesive material. The glue reservoir 1101 is filled with a structural glue, adhesive or other adhesive material to achieve a bonding with the solar cell 20.

In some of these embodiments, the number of glue reservoirs 1101 on the bearing surface 111 is a plurality.

In some of these embodiments, the glue reservoir 1101 has a depth of 0.3mm to 0.5mm. The depth of the glue storage tank 1101 is not suitable for being too large or too small, the too large depth of the glue storage tank 1101 can cause large consumption of structural glue, adhesive or other adhesive materials, material waste is caused, the too small depth of the glue storage tank 1101 can cause poor adhesive effect of the structural glue, adhesive or other adhesive materials, and the solar cell 20 can not be effectively fixed.

In some embodiments, the inner wall of the glue reservoir 1101 tapers from the bottom of the reservoir to the slot. The glue storage tank 1101 is of a vat structure with a small opening and a large abdomen, and the connecting component such as structural glue, adhesive or other adhesive materials can be filled in the Chu Jiaocao tank 1101 in a flowing manner, after solidification, the glue storage tank 1101 can better clamp the solidified structural glue, adhesive or other adhesive materials, so that the adhesive bonding effect of the back surface of the solar cell 20 is enhanced.

In some embodiments, fig. 3 is a schematic structural diagram of a portion of the encapsulation frame 10 of fig. 2 mated with the solar cell 20, where the bearing surface 111 is gradually inclined inward from a side far from the limiting member 200 to a side close to the limiting member 200 at an angle α of 0.3 ° to 0.7 °, the angle α being referred to as an included angle between two dotted lines shown in fig. 3, and the gradually inward inclination at the angle α of 0.3 ° to 0.7 ° means that the inner side is more concave. The bearing surface 111 is inclined inwards so that the assembly process of the solar cell 20 and the frame main body 100 is smoother, the solar cell 20 is prevented from impacting the bearing surface 111 of the frame main body 100, and the collision and damage of the solar cell 20 are reduced.

In some of these embodiments, the stopper 200 is bent toward the mounting region 300, and the bent surface of the stopper 200 toward the mounting region 300 forms the glue overflow groove 201 for receiving the connection member. The attachment means may be a structural adhesive, an adhesive or other cohesive material. The glue overflow groove 201 is used for storing structural glue, adhesive or other adhesive materials to realize the connection of the limiting member 200 and the end face of the solar cell 20. In addition, the stopper 200 has a curved structure and can play a role in buffering, and when the end surface of the solar cell 20 contacts the contact portion 210 of the stopper 200 after the solar cell 20 is assembled into the mounting region 300, the stopper has a role in buffering, and damage to the solar cell 20 is reduced.

In some embodiments, the outer surface of the abutting portion 210 facing the inside of the mounting area 300 is curved, and the outer surface of the abutting portion 210 is provided with an adhesive groove 211, and the adhesive overflow groove 201 is used for accommodating a connecting component. The attachment means may be a structural adhesive, an adhesive or other cohesive material. The abutting portion 210 can prevent the structural adhesive, the adhesive, or other adhesive material in the adhesive overflow groove 201 from overflowing after the end face of the solar cell 20 abuts. The adhesive grooves 211 are filled with a structural adhesive, an adhesive agent, or another adhesive material, so that the adhesive force between the contact portions 210 and the end surfaces of the solar cells 20 can be improved.

In some of these embodiments, the maximum height of the spacer 200 along the direction perpendicular to the carrying surface 111 is not less than the thickness of the solar cell 20.

In some of these embodiments, the maximum height of the spacing member 200 along the direction perpendicular to the carrying surface 111 is slightly greater than the thickness of the solar cell 20 by 0.1mm to 0.5mm. As shown in fig. 3, when the solar cell 20 is mounted on the frame body 100, the top of the abutting portion 210 protrudes by a distance H1 of 0.1mm to 0.5mm from the front glass plate 21 of the solar cell 20, but the protruding portion does not affect the discharge of dust or rainwater.

In some of these embodiments, as shown in fig. 3, after the solar cell 20 is mounted in the mounting region 300, the end of the abutment portion 210 closest to the bearing surface 111 has a spacing H2 from the inner surface of the front glass plate 21 of the solar cell 20, the spacing H2 > greater than 0.

In some embodiments, referring to fig. 1, the bezel body 100 has a hollow quadrangular prism structure. The bezel body 100 includes a first sidewall 110, a second sidewall 120, a third sidewall 130, and a fourth sidewall 140. The first, second, third and fourth sidewalls 110, 120, 130, 140 are sequentially connected in sequence. The stopper 200 is coupled to the outer surface of the first sidewall 110. Preferably, the first sidewall 110 is parallel to the third sidewall 130. The first sidewall 110 is disposed perpendicular to the second sidewall 120, the second sidewall 120 is parallel to the fourth sidewall 140, and the third sidewall 130 is disposed perpendicular to the fourth sidewall 140.

In some embodiments, a plurality of ribs 150 are connected to at least one of the inner surface of the first sidewall 110, the inner surface of the second sidewall 120, the inner surface of the third sidewall 130, and the inner surface of the fourth sidewall 140. The provision of the reinforcing ribs 150 can increase the structural strength of the bezel body 100.

In some of these embodiments, preferably, as shown in fig. 1, a plurality of ribs 150 are respectively connected to the inner surface of the first sidewall 110 and the inner surface of the third sidewall 130.

In some of these embodiments, the height of the ribs 150 is 0.3mm to 0.5mm.

In some of these embodiments, referring to fig. 1, a support plate 160 is connected to the corners of the second and third sidewalls 120 and 130. The support plate 160 extends away from the bezel body 100 along a plane in which the third sidewall 130 is located.

In some embodiments, the bezel body 100 is made of an aluminum alloy material, and the length of the bezel body 100 is 1100mm to 2400mm. The aluminum alloy frame main body 100 has the advantages of high strength, strong firmness, good electric conductivity, corrosion resistance, oxidation resistance, strong tensile resistance, convenient transportation and installation, convenient recovery and the like, and the rigidity and the strength of the aluminum alloy increase the mechanical strength and the electric conductivity of the frame main body 100, thereby being beneficial to installation and grounding.

An embodiment of the application also provides a photovoltaic module.

A photovoltaic module comprises a solar cell 20 and a packaging frame 10, wherein the solar cell 20 is packaged by the packaging frame 10. Referring to fig. 2, after the edge of the solar cell 20 is mounted in the mounting area 300 of the bezel body 100, the abutment portion 210 of the stopper 200 abuts against the end surface of the solar cell 20, and the outer surface of the first sidewall 110 of the bezel body 100 contacts the back surface of the solar cell 20 to support the solar cell 20. As shown in fig. 3, the solar cell 20 includes a front glass plate 21, a first adhesive film 22, a battery piece 23, a second adhesive film 24, and a back glass plate 25 sequentially disposed in this order, and the front glass plate 21, the first adhesive film 22, the battery piece 23, the second adhesive film 24, and the back glass plate 25 are connected by lamination.

In some of these embodiments, the number of encapsulation rims 10 may be made up of a plurality when encapsulating the solar cells 20. The lengths of the different encapsulation rims 10 may be different.

To sum up, the encapsulation frame 10 load and the encapsulation of this application overflow and glue effectually, can reduce photovoltaic module's deposition, ponding effect, promote photovoltaic module's generated energy, also can reduce hot spot effect simultaneously, reduce photovoltaic module's operating temperature.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a packaging frame (10), its characterized in that, includes frame main part (100) and locating part (200), frame main part (100) have and are used for supplying the angle sign indicating number to inlay the angle sign indicating number chamber (101) of establishing the connection, one side edge connection of locating part (200) in one of them lateral wall surface of frame main part (100), locating part (200) with form between this lateral wall of frame main part (100) and be used for installing installation region (300) solar cell (20), this lateral wall surface that is located of frame main part (100) in installation region (300) forms loading face (111), locating part (200) have towards the butt portion (210) that installation region (300) extends, wherein, loading face (111) are used for supporting the partial back of solar cell (20), butt portion (210) are used for the at least partial terminal surface of butt solar cell (20).

2. The packaging rim (10) of claim 1, wherein the carrying surface (111) has a glue reservoir (1101) for receiving a connecting member.

3. The packaging rim (10) of claim 2, wherein the number of glue reservoirs (1101) on the carrying surface (111) is a plurality;

and/or the depth of the glue storage groove (1101) is 0.3 mm-0.5 mm;

and/or the inner wall of the glue storage groove (1101) is gradually narrowed and closed from the groove bottom surface to the groove opening direction.

4. A packaging border (10) according to any one of claims 1-3, wherein the bearing surface (111) is inclined gradually inwards at an angle of 0.3-0.7 ° from the side remote from the stop (200) to the side immediately adjacent to the stop (200).

5. A packaging frame (10) according to any one of claims 1 to 3, wherein the limiting member (200) is bent towards the mounting area (300), and the bending surface of the limiting member (200) towards the mounting area (300) forms a glue overflow groove (201), and the glue overflow groove (201) is used for accommodating a connecting component.

6. A packaging frame (10) according to any one of claims 1 to 3, wherein the outer surface of the abutting portion (210) facing the inside of the mounting area (300) is curved, and an adhesive groove (211) for accommodating a connecting member is provided on the outer surface of the abutting portion (210).

7. A packaging border (10) according to any of claims 1-3, characterized in that the maximum height of the limiting element (200) along a direction perpendicular to the carrying surface (111) is not smaller than the thickness of the solar cell (20).

8. A packaging frame (10) according to any one of claims 1 to 3, wherein the frame body (100) is in a hollow quadrangular prism structure, the frame body (100) comprises a first side wall (110), a second side wall (120), a third side wall (130) and a fourth side wall (140), the first side wall (110), the second side wall (120), the third side wall (130) and the fourth side wall (140) are sequentially connected in sequence, and the limiting member (200) is connected to the outer surface of the first side wall (110).

9. The packaging rim (10) of claim 8, wherein at least one of the inner surface of the first side wall (110), the inner surface of the second side wall (120), the inner surface of the third side wall (130), and the inner surface of the fourth side wall (140) has a plurality of ribs (150) attached thereto;

and/or, a supporting plate (160) is connected to the corner of the second side wall (120) and the third side wall (130), and the supporting plate (160) extends away from the frame main body (100) along the plane where the third side wall (130) is located.

10. A photovoltaic module characterized by comprising a solar cell (20) and the encapsulation frame (10) according to any one of claims 1 to 9, said solar cell (20) being encapsulated by said encapsulation frame (10).