Photovoltaic frame and photovoltaic module

Abstract

The utility model discloses a kind of photovoltaic modules, frame main body and extend along the length direction of the frame main body and from the upper surface outer edge of the frame main body upward extension extension part, the top surface of the extension part is provided with overflow glue groove extending along the length direction of the extension part, the inner wall of the extension part is provided with multiple flow flat holes communicated with the overflow glue groove. The utility model further discloses a kind of photovoltaic modules. The utility model is provided with overflow glue groove in the top of extension part and multiple flow flat holes communicated with overflow glue groove in the inner wall of extension part, when photovoltaic module is packaged, first, laminated part is placed on frame main body, then glue is injected to overflow glue groove, glue in overflow glue groove is shunted to photovoltaic frame and laminated part between by flow flat hole, so that sealing glue surface is flat after photovoltaic module is framed, overflow glue is uniform, improve the adverse defects of front overflow glue, simplify the framing process of photovoltaic module simultaneously, reduce the risk of explosion in framing process.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic power generation, specifically to a photovoltaic frame and a photovoltaic module. Background Technology

[0002] In recent years, the rapid development of the national economy has not only driven the overall construction industry towards green, clean energy, and environmentally friendly directions, but also stimulated the development of some new energy and renewable energy industries. Therefore, the photovoltaic industry has shown a positive development trend in the construction sector, with building-integrated photovoltaics (BIPV) being particularly prominent. Vigorously developing BIPV buildings is a crucial step in my country's building energy transformation.

[0003] Existing photovoltaic modules have an A-side, which is the top surface of the frame. After the photovoltaic module is assembled, the A-side of the frame will be 2-3 mm higher than the front of the laminate. When the module is used outdoors, rainwater, dust, dead leaves and other impurities will accumulate on the inside of the A-side of the frame, blocking the surface of the laminate and thus affecting the power generation of the module.

[0004] To avoid the above situation, a frameless A-side design has been developed. The applicant previously filed a Chinese patent application (application number 2022224520972) entitled "Photovoltaic Module," which discloses a frameless A-side design that can solve the problem of rainwater and dust accumulation in photovoltaic modules. However, because the frame lacks an anti-overflow adhesive structure, adhesive may easily overflow from the front during module assembly, requiring manual removal of the adhesive. Utility Model Content

[0005] To address at least one technical problem in the prior art, this utility model provides a photovoltaic module that does not accumulate rainwater, dust, or other debris when used outdoors, and does not experience glue overflow or module jamming during assembly.

[0006] To achieve the above-mentioned utility model objectives, the technical solution adopted by this utility model is: a photovoltaic module, including a frame body and an extension portion extending along the length direction of the frame body and extending upward from the outer edge of the upper surface of the frame body, the top surface of the extension portion is provided with an overflow groove extending along the length direction of the extension portion, and the inner wall of the extension portion is provided with a plurality of leveling holes communicating with the overflow groove.

[0007] In some embodiments, the leveling holes are circular or elongated through holes, and a plurality of the leveling holes are evenly distributed along the length direction of the extension.

[0008] In some embodiments, the upper surface of the frame body has a downwardly sloping adhesive overflow surface near the outer edge.

[0009] In some embodiments, the top of the inner side of the frame body has a support platform that extends inward along the length direction of the frame body, and the upper surface of the support platform is a downwardly inclined surface, which constitutes the glue overflow surface.

[0010] A photovoltaic module, wherein at least one side adopts the aforementioned photovoltaic frame.

[0011] In some embodiments, the photovoltaic module further includes a laminate encapsulated in the photovoltaic frame, the upper surface of the laminate being no less than the height of the extension.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. This utility model has an overflow groove at the top of the extension part and multiple leveling holes communicating with the overflow groove on the inner wall of the extension part. When encapsulating photovoltaic modules, the laminate can be placed on the frame body first, and then glue can be injected into the overflow groove. The glue in the overflow groove is distributed between the photovoltaic frame and the laminate through the leveling holes, so that the sealant surface is flat and the glue overflow is uniform after the photovoltaic module is framed. This improves the defect of glue overflow on the front side, simplifies the photovoltaic module frame assembly process, and reduces the risk of explosion during the frame assembly process.

[0014] 2. The photovoltaic frame has no A-side. When the photovoltaic module is installed at an angle and the frame is set at a low position without an A-side, rainwater will wash the dust on the surface of the photovoltaic module downward. Since the frame has no A-side, the frame will not obstruct the downward flow of rainwater, reducing the accumulation of dust and rainwater at the lower front of the photovoltaic module. This reduces the shading of the photovoltaic module by dust, increases the power generation of the photovoltaic module, and reduces the cleaning cost of the photovoltaic module. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the cross-sectional structure of the photovoltaic frame in Embodiment 1 of this utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the short frame in Embodiment 2 of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the photovoltaic module in Embodiment 2 of this utility model. Detailed Implementation

[0018] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0019] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0020] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing the present invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0021] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0022] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] Example 1

[0025] Reference Figure 1 and Figure 2This utility model provides a photovoltaic frame, including a frame body 1 and an extension 2 extending along the length direction of the frame body 1 and extending upward from the outer edge of the upper surface of the frame body 1. An overflow groove 21 extending along the length direction of the extension 2 is provided on the top surface of the extension 2, and a plurality of leveling holes 22 communicating with the overflow groove 21 are provided on the inner wall of the extension 2.

[0026] This invention provides an overflow groove 21 extending along the length of the extension 2 at the top of the extension 2, and provides multiple leveling holes 22 communicating with the overflow groove 21 on the inner wall of the extension 2. When encapsulating photovoltaic modules, the laminate can be placed on the frame body 1 first, and then glue can be injected into the overflow groove 21. The glue in the overflow groove 21 is diverted to the space between the photovoltaic frame and the laminate through the leveling holes 22, so that the sealant surface is flat and the glue overflow is uniform after the photovoltaic module is framed, which improves the defect of glue overflow on the front side, simplifies the frame assembly process of photovoltaic modules, and reduces the risk of explosion during the frame assembly process.

[0027] The grooves of conventional frames are relatively wide, generally ≥6mm, while the edge thickness of the laminate 5 is usually around 5mm. More glue is needed to fill the inside of the frame groove. At the same time, conventional frame components require glue overflow of no less than 3mm on the A side. However, the laminate 5 of this utility model is attached to the upper surface of the frame body 1 and the inner side of the extension, respectively. Only sealant needs to be filled on the upper surface of the frame body 1 and the inner side of the extension, so more glue is used.

[0028] In some embodiments, the leveling holes 22 are circular, elongated, or other shaped through holes, and a plurality of leveling holes 22 are evenly distributed along the length direction of the extension portion 2.

[0029] In some embodiments, the upper surface of the frame body 1 is provided with a downwardly inclined adhesive overflow surface 110 near the outer edge, so that excess adhesive can quickly overflow from the back of the laminate and be stored on the adhesive overflow surface 110. The adhesive overflow surface 110 can prevent excess adhesive from overflowing from the front of the laminate when the laminate is framed, thereby affecting the appearance of the photovoltaic module. On the other hand, it allows excess adhesive to quickly overflow to the adhesive overflow surface 110. By checking the adhesive stored on the adhesive overflow surface 110, it is possible to quickly know whether there is enough adhesive between the photovoltaic frame and the laminate, thus avoiding the phenomenon of insufficient adhesive.

[0030] In some embodiments, the inner top of the frame body 1 has a support platform 11 that extends inward along the length direction of the frame body 1, and the upper surface of the support platform 11 is a downwardly inclined surface, which constitutes the aforementioned adhesive overflow surface 110.

[0031] Example 2

[0032] Reference Figures 1 to 3This utility model provides a photovoltaic module, including an encapsulation frame 4 and a laminate 5 encapsulated within the encapsulation frame 4. The encapsulation frame 4 is formed by connecting a pair of short frames and a pair of long frames, and at least one of the short frames and long frames is the photovoltaic frame in Embodiment 1.

[0033] In some embodiments, the upper surface of the laminate 5 is not lower than the height of the extension 2.

[0034] Furthermore, when one of the short borders of the encapsulation frame 4 is the photovoltaic border in Embodiment 1, the photovoltaic module is suitable for vertical mounting, that is, the side using the photovoltaic border in Embodiment 1 is located at the lower position; when one of the long borders of the encapsulation frame 4 is the photovoltaic border in Embodiment 1, the photovoltaic module is suitable for horizontal mounting, that is, the side using the photovoltaic border in Embodiment 1 is located at the lower position; when both adjacent sides of the encapsulation frame 4 use the photovoltaic border in Embodiment 1 or one or more sides of the encapsulation frame 3 use the photovoltaic border in Embodiment 1, the photovoltaic module is suitable for both vertical and horizontal mounting.

[0035] Because the photovoltaic frame of this invention has no A-side, when the photovoltaic module is installed at an angle and the frame is set at a low position without an A-side, rainwater will wash the dust on the surface of the photovoltaic module downwards. Since the frame has no A-side, it will not obstruct the downward flow of rainwater, reducing the accumulation of dust and rainwater at the lower front of the photovoltaic module. This reduces the shading of the photovoltaic module by dust, increases the power generation of the photovoltaic module, and reduces the cleaning cost of the photovoltaic module.

[0036] In some embodiments, when both adjacent sides of the encapsulation frame 4 adopt the photovoltaic frame in Embodiment 1 or one or more sides of the encapsulation frame 3 adopt the photovoltaic frame in Embodiment 1, the overflow groove 21 of the interconnected short frame is connected to the overflow groove 21 of the short frame so as to quickly complete the glue injection of the photovoltaic module.

[0037] In some embodiments, the frame body 1 has a cavity 10 extending along the length direction of the frame body 1, and the long frame and the short frame are connected by corner brackets disposed in the cavity 10.

[0038] In some embodiments, the long frame also includes a connecting portion 33, which extends along the length of the long frame body 1 and horizontally extends from the bottom of the long frame body 1 toward the laminating member 5. The connecting portion 33 is provided with a plurality of mounting holes, through which a photovoltaic module is fixed to the bracket by means of clamps or bolts.

[0039] In some embodiments, the laminate 5 encapsulates a PERC battery, a TOPCon battery, or an HJT battery.

[0040] The packaging process of the photovoltaic module of this utility model is as follows:

[0041] 1. Connect the long frame and the short frame to form the encapsulation frame 4, and place the laminate 5 inside the encapsulation frame 4;

[0042] 2. Apply glue through the glue overflow groove 21 to fix the edge of the laminate 5 to the encapsulation frame 4;

[0043] 3. Install the junction box.

[0044] Furthermore, the process of connecting the long frame and the short frame to form the encapsulation frame 4 is as follows: First, insert one end of the corner bracket into the cavity 10 of the short frame, then place the long frame and the short frame on the framing machine, and move the short frame so that the other end of the corner bracket is inserted into the cavity 10 of the long frame.

[0045] Furthermore, the glue is injected into the glue overflow tank 21 by the glue injection machine. The glue in the glue overflow tank 21 is diverted to the space between the photovoltaic frame and the laminate 5 through the leveling hole 22, and the laminate 5 is fixed in the encapsulation frame 4 to form a photovoltaic module.

[0046] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0047] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to the above embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic frame, characterized in that, It includes a frame body and an extension portion extending along the length direction of the frame body and extending upward from the outer edge of the upper surface of the frame body. The top surface of the extension portion is provided with an overflow groove extending along the length direction of the extension portion, and the inner wall of the extension portion is provided with a plurality of leveling holes communicating with the overflow groove.

2. The photovoltaic frame according to claim 1, characterized in that, The leveling holes are circular or elongated through holes, and multiple leveling holes are evenly distributed along the length of the extension.

3. The photovoltaic frame according to claim 1, characterized in that, The upper surface of the frame body has a downwardly sloping glue overflow surface near the outer edge.

4. The photovoltaic frame according to claim 3, characterized in that, The top of the inner side of the frame body has a support platform that extends inward along the length of the frame body, and the upper surface of the support platform is a downwardly inclined surface, which constitutes the glue overflow surface.

5. A photovoltaic module, characterized in that, At least one side employs a photovoltaic frame as described in any one of claims 1 to 4.

6. The photovoltaic module according to claim 5, characterized in that, The photovoltaic module also includes a laminate encapsulated in the photovoltaic frame, wherein the upper surface of the laminate is not lower than the height of the extension portion.

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