Operation-and-maintenance-free A-surface-free photovoltaic module frame

Abstract

The utility model discloses an operation and maintenance-free A-surface-free photovoltaic module frame, which comprises a long frame and a short frame connected to the peripheral side of the long frame, a supporting frame connected with the long frame and a mounting frame connected with the short frame are arranged in a cavity, and the supporting frame, the mounting frame, the long frame and the short frame are combined to form a cavity. The side, close to the short frame, of the installation frame is provided with a silica gel storage groove for containing silica gel, the side, away from the short frame, of the installation frame is provided with a boss for supporting a laminated piece, the contact area of the silica gel stored in the silica gel storage groove and the laminated piece is larger than the contact area of the boss and the laminated piece, and the part, exceeding the height of the installation frame, of the short frame forms a side supporting part. And the top plane of the side supporting part is not higher than the top plane of the accommodating laminated board in the cavity. According to the operation-and-maintenance-free A-surface-free photovoltaic module frame, the top plane of the short frame is flush with the top plane of the laminated board, no dead angle is formed at the joint of the short frame and the laminated board, dust can be directly taken away when the short frame and the laminated board are washed by rainwater, and therefore dust accumulation is avoided.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic production, and more specifically to an operation- and maintenance-free photovoltaic component frame without an A-side. Background Art

[0002] Photovoltaic modules are part of a solar power generation system. Individual solar cells cannot be used directly as a power source. To function as such, they must be connected in series or parallel and tightly sealed into modules. PV modules are typically composed of panels and frames. The frame typically refers to the aluminum alloy frame and brackets that form the solar panel assembly. This frame protects the glass edges, enhances the module's overall mechanical strength, and, combined with silicone edge sealing, enhances the module's seal, facilitating installation and transportation. Therefore, the frame is an essential component of solar PV modules.

[0003] Conventional photovoltaic power stations will experience high unnatural degradation of components after only 5-10 years of operation. Through monitoring of power generation of photovoltaic power stations with conventional components, it is found that the obstruction such as hot spots and rainbow patterns caused by dust accumulation is one of the culprits affecting the life of components and power generation. The main reason for the formation of dust accumulation is that in order to firmly fix the photovoltaic panels, the frame structure of conventional components usually has installation grooves for installing photovoltaic panels. For example, in the Chinese patent document with publication number CN105703701B, the technical solution disclosed therein forms installation grooves for installing photovoltaic panels between the vertical frame, the top frame and the upper frame of the cavity. A dead angle is formed at the connection between the installation groove and the photovoltaic panel, which causes obstruction when rainwater washes away dust, thereby causing dust accumulation. Moreover, as time accumulates, the dust accumulation becomes more serious. If the photovoltaic power station is not operated and maintained in a timely manner, irreversible rainbow patterns will appear in the dust accumulation zone at the bottom of the photovoltaic module, which will have varying degrees of impact on the appearance of the module and power generation. Utility Model Content

[0004] The utility model provides a maintenance-free A-side photovoltaic module frame, which solves the problem in the prior art that dead angles are easily formed at the connection between the photovoltaic module frame and the photovoltaic panel or laminate, thereby causing a large amount of dust accumulation and resulting in high unnatural attenuation of the photovoltaic module.

[0005] In order to achieve the above-mentioned purpose, the technical solution provided by the present utility model is:

[0006] A maintenance-free A-side photovoltaic module frame has a cavity for installing a laminate at an opening, including a long frame and a short frame connected to the periphery of the long frame. A support frame connected to the long frame and a mounting frame connected to the short frame are provided in the cavity. The support frame, the mounting frame, the long frame and the short frame are combined to form a cavity. The mounting frame is provided with a glue storage tank for accommodating silicone on the side close to the short frame, and a boss for supporting the laminate on the side away from the short frame. The contact area between the silicone stored in the glue storage tank and the laminate is greater than the contact area between the boss and the laminate. The part of the short frame that exceeds the height of the mounting frame forms a side support portion, and the top plane of the side support portion is not higher than the top plane of the laminate accommodating the laminate in the cavity.

[0007] Furthermore, the inner side of the side support portion has a side support surface that is in close contact with the side surface of the laminate.

[0008] Furthermore, the glue storage tank has a glue storage bottom surface, a first arcuate transition surface connected to the side support surface, and a second arcuate transition surface connected to the top plane of the boss. Preferably, the width of the glue storage tank is greater than the width of the boss. Preferably, the cross-section of the glue storage tank along its width direction is a U-shaped groove.

[0009] Preferably, an inclined third transition surface is provided at the junction of the boss and the inner side surface of the support frame.

[0010] Furthermore, the junction of the long frame and the short frame has an arc-shaped connecting portion.

[0011] Furthermore, the inner side of the short frame has a reinforcing rib arranged in the cavity. Preferably, the width of the reinforcing rib is smaller than the width of the glue storage tank.

[0012] Preferably, the support frame, the mounting frame, the long frame and the short frame are made of an aluminum alloy with anodized surface.

[0013] Preferably, the support frame, mounting frame, long frame and short frame are made of polyurethane composite material or steel structure material.

[0014] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0015] (1) The utility model provides a maintenance-free A-side photovoltaic module frame, wherein the top plane of the short frame is not higher than the top plane of the laminate, especially when the top plane of the short frame is flush with the top plane of the laminate, no dead angle is formed at the connection between the two, and dust can be directly taken away by rainwater, thereby avoiding dust accumulation, avoiding unnatural attenuation of the photovoltaic module, and improving the service life of the photovoltaic module. At the same time, the provided boss can support the laminate from the bottom to ensure that the laminate remains in a horizontal state, and the specially provided glue storage tank can effectively store glue, and the stored silica gel can be fully adhered to the laminate, thereby increasing the load on the back of the module and ensuring the structural stability of the photovoltaic module.

[0016] (2) The utility model provides a maintenance-free A-side photovoltaic module frame, in which the side support surface inside the side support part is in close contact with the side surface of the laminate, and the arc-shaped transition surfaces on both sides of the glue storage tank can gather the silicone to the middle, thereby avoiding as much as possible the silicone from overflowing from the junction of the laminate and the side support part, affecting the front appearance of the module. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the A-side photovoltaic module frame without maintenance for free operation (I);

[0018] Figure 2 Schematic diagram of the A-side photovoltaic module frame without operation and maintenance (2).

[0019] Description of labels:

[0020] 1. Cavity; 2. Short frame; 21. Side support; 22. Reinforcement rib; 3. Support frame; 4. Mounting frame; 41. Glue storage tank; 411. Glue storage bottom surface; 412. First transition surface; 413. Second transition surface; 42. Boss; 421. Third transition surface; 5. Cavity; 6. Long frame; 7. Connecting part; 8. Laminate. DETAILED DESCRIPTION

[0021] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments.

[0022] like Figure 1 and Figure 2 As shown, this embodiment provides a maintenance-free, A-side-free photovoltaic module frame, comprising a cavity 1 for mounting a laminate or photovoltaic panel at an opening. The cavity 1 includes a long frame 6 and short frames 2 connected to the sides of the long frame 6. Specifically, the long frame 6 is provided as a base, and the short frames 2 are provided around the long frame 6 to form a cavity 1 with an opening at one end. A laminate 8 or photovoltaic panel is provided at the opening of the cavity 1, thereby forming a photovoltaic module frame without an A-side. The cavity 1 can be configured as a rectangular cavity, a cylindrical cavity, or the like, depending on the structure of the photovoltaic panel.

[0023] Specifically, cavity 1 is provided with a support frame 3 connected to the long frame 6 and a mounting frame 4 connected to the short frame 2. The support frame 3 and mounting frame 4 are connected. The support frame 3, mounting frame 4, long frame 6, and short frame 2 are combined to form a cavity 5, which directly supports the laminate 8 via the mounting frame 4. In one possible embodiment, the long frame 6 and short frame 2 have an arc-shaped connecting portion 7 at their junction to facilitate handling. The short frame 2 has a reinforcing rib 22 disposed within the cavity 5, and the width of the reinforcing rib 22 is smaller than the width of the glue storage tank 41. This enhances structural strength.

[0024] Specifically, the mounting frame 4 is provided with a glue storage tank 41 for containing silicone on the side close to the short frame 2, and a boss 42 for supporting the laminate on the side away from the short frame 2. The boss 42 directly supports the contact laminate 8, and the glue storage tank 41 stores silicone, which is used to fix the laminate 8. In this embodiment, the contact area between the silicone stored in the glue storage tank 41 and the laminate 8 is greater than the contact area between the boss 42 and the laminate 8, thereby ensuring that a sufficient amount of silicone can firmly fix the laminate 8, and the contact area between the boss 42 and the laminate 8 is not less than one-fifth of the contact area between the silicone stored in the glue storage tank 41 and the laminate 8, to ensure that the boss 42 and the laminate 8 have sufficient rigid support. Specifically, the width of the glue storage tank 41 is greater than the width of the boss 42, and the width of the glue storage tank 41 is greater than the width of the reinforcing rib 22. In one possible embodiment, the boss 42 has an inclined third transition surface 421 at the junction with the inner side of the support frame 3.

[0025] Furthermore, the portion of the short frame 2 that extends beyond the height of the mounting bracket 4 forms a side support portion 21, wherein the top plane of the side support portion 21 is no higher than the top plane of the laminate 8. Specifically, the top plane of the side support portion 21 is lower than the top plane of the laminate 8, or the top plane of the side support portion 21 is flush with the top plane of the laminate 8 within the cavity 1, thereby avoiding a dead angle between the two and causing dust accumulation. Furthermore, the inner side of the side support portion 21 has a side support surface that is in close contact with the side surface of the laminate 8.

[0026] In one possible embodiment, the glue reservoir 41 has a glue storage bottom surface 411, a first arcuate transition surface 412 connecting to the side support surface, and a second arcuate transition surface 413 connecting to the top plane of the boss 42. The side support surface on the inner side of the side support portion 21 is in close contact with the side of the laminate 8. The arcuate transition surfaces on both sides of the glue reservoir 41 can concentrate the silicone toward the center, thereby minimizing silicone overflow from the intersection of the laminate 8 and the side support portion 21, which would affect the front appearance of the assembly. In one possible embodiment, the glue reservoir 41 has a U-shaped cross-section along its width.

[0027] In this embodiment, the top plane of the short frame 2 is lower than the top plane of the laminate 8, or the top plane of the short frame 2 is flush with the top plane of the laminate 8. No dead angle is formed at the connection between the two. Dust can be directly taken away by rainwater, thereby avoiding dust accumulation, avoiding unnatural attenuation of photovoltaic modules, and improving the service life of photovoltaic modules. At the same time, the provided boss 42 can support the laminate 8 from the bottom surface to ensure that the laminate 8 remains horizontal, and the specially provided glue storage tank 41 can effectively store glue, and the stored silica gel can be fully adhered to the laminate 8, thereby increasing the back load of the module and ensuring the structural stability of the photovoltaic module.

[0028] In addition, in a possible embodiment, the support frame 3, the mounting frame 4, the long frame 6 and the short frame 2 are made of aluminum alloy or polyurethane composite material or steel structure material with anodized surface.

[0029] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for understanding and reading by those familiar with this technology. They are not used to limit the conditions for implementation of the present invention and therefore have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present utility model without affecting the efficacy and purpose of the present invention. At the same time, terms such as "upper", "lower", "left", "right", and "middle" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation. Changes or adjustments in their relative relationships should also be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0030] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, for the purposes of describing the embodiments of the present application herein.

[0031] The terms "installed," "disposed," "equipped with," and "connected" as used herein should be interpreted broadly. For example, they may refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0032] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the inventive purpose of the present invention, designs a structure and embodiment similar to the technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A maintenance-free photovoltaic module frame without an A-side, having a cavity (1) with a laminate (8) installed at an opening, comprising a long frame (6) and a short frame (2) connected to the periphery of the long frame (6), wherein a support frame (3) connected to the long frame (6) and a mounting frame (4) connected to the short frame (2) are provided in the cavity (1), wherein the support frame (3), the mounting frame (4), the long frame (6) and the short frame (2) are combined to form a cavity (5), characterized in that: The mounting frame (4) is provided with a glue storage tank (41) for accommodating silica gel on the side close to the short frame (2), and a boss (42) for supporting the laminate on the side away from the short frame (2). The contact area between the silica gel stored in the glue storage tank (41) and the laminate (8) is larger than the contact area between the boss (42) and the laminate (8). The portion of the short frame (2) that exceeds the height of the mounting frame (4) forms a side support portion (21), and the top plane of the side support portion (21) is not higher than the top plane of the laminate (8) accommodated in the cavity (1).

2. The maintenance-free photovoltaic module frame without A-side according to claim 1, characterized in that: The inner side of the side support portion (21) has a side support surface that is in close contact with the side surface of the laminate (8).

3. The maintenance-free photovoltaic module frame without A-side according to claim 2, characterized in that: The glue storage tank (41) has a glue storage bottom surface (411), an arcuate first transition surface (412) connected to the side support surface, and an arcuate second transition surface (413) connected to the top plane of the boss (42).

4. The maintenance-free photovoltaic module frame without A-side according to claim 3, characterized in that: The width of the glue storage groove (41) is greater than the width of the boss (42).

5. The maintenance-free photovoltaic module frame without A-side according to claim 3, characterized in that: The cross section of the glue storage tank (41) in its width direction is a U-shaped tank.

6. The maintenance-free photovoltaic module frame without A-side according to claim 1, characterized in that: The junction between the boss (42) and the inner side surface of the support frame (3) is provided with an inclined third transition surface (421).

7. The maintenance-free photovoltaic module frame without A-side according to any one of claims 1 to 6, characterized in that: The junction of the long frame (6) and the short frame (2) is provided with an arc-shaped connecting portion (7).

8. The maintenance-free photovoltaic module frame without A-side according to any one of claims 1 to 6, characterized in that: The inner side of the short frame (2) has a reinforcing rib (22) arranged in the cavity (5).

9. The maintenance-free photovoltaic module frame without A-side according to claim 8, characterized in that: The width of the reinforcing rib (22) is smaller than the width of the glue storage tank (41).

10. The maintenance-free photovoltaic module frame without A-side according to any one of claims 1 to 6, characterized in that: The support frame (3), the mounting frame (4), the long frame (6) and the short frame (2) are made of anodized aluminum alloy or polyurethane composite material or steel structure material.

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