Photovoltaic module frame and photovoltaic module

Abstract

The utility model relates to photovoltaic module technical field especially relates to a kind of photovoltaic module frame and photovoltaic module.The every section bar component of the photovoltaic module frame includes installation part and light-reflecting part, wherein: installation part is provided with the installation groove for being clamped in the periphery of laminated part of photovoltaic module, and the inside wall of installation part has the light-transmitting gap between cell piece in laminated part;Light-reflecting part includes light-reflecting plate and light-reflecting material layer, light-reflecting plate is set in the inside of installation part and is located below light-transmitting gap, light-reflecting material layer covers on the upper surface of light-reflecting plate, and the upper surface of light-reflecting material layer has several light-reflecting protrusions.Light-reflecting plate and light-reflecting material layer are set, part of light can be reflected to cell piece on the frame on the front and back of module, and the power generation of photovoltaic module is improved, meanwhile, light-reflecting material layer can improve the light-reflecting performance of frame;Light-reflecting protrusion is set on the upper surface of light-reflecting material layer, and the reflection area of light on cell piece can be increased.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic module technology, and in particular to a photovoltaic module frame and a photovoltaic module. Background Technology

[0002] Photovoltaic (PV) modules are the core component of a solar power system, converting solar energy into electrical energy. A PV module consists of a laminate and a frame surrounding the laminate, which in turn includes solar cells. Generally, the more light that shines on the solar cells, the higher the power generation efficiency of the PV module. To improve light utilization, some PV modules have reflective bevels on their frames, which reflect some of the light hitting the frame back onto the solar cells.

[0003] However, conventional bezels use anodized surface treatment, which results in poor reflectivity and thus poor reflective performance. Utility Model Content

[0004] The primary objective of this invention is to provide a photovoltaic module frame to address the technical problem of poor surface reflectivity in existing frame technologies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A photovoltaic module frame includes four profile components connected end-to-end to form a closed loop. Each profile component includes a mounting portion and a reflective portion, wherein: The mounting part is provided with a mounting groove for being fastened around the laminate of the photovoltaic module, and there is a light-transmitting gap between the inner sidewall of the mounting part and the solar cell in the laminate. The reflective part includes a reflector and a reflective material layer. The reflector is disposed inside the mounting part and below the light-transmitting gap. The reflective material layer covers the upper surface of the reflector and has a plurality of reflective protrusions on the upper surface of the reflector.

[0006] In some embodiments, the mounting portion includes a surface A, a surface B, a surface C, a surface D, and a surface E. The surfaces A, E, and C are connected from top to bottom to the side of the surface B near the laminate. The surface D is connected between the surface E and the surface C. The surfaces A, B, and E together form the mounting groove. The reflective portion is connected between the surface C and the surface D.

[0007] In some embodiments, the reflector further includes a transition plate, one side of which is connected to the D-surface and the other side of which is inclined downward toward the C-surface, and the transition plate is connected between the side of the reflector away from the D-surface and the C-surface; The upper end of the transition plate protrudes from the upper surface of the reflector. The D-side, the reflector, and the transition plate together form a receiving groove, and the reflective material layer is disposed within the receiving groove.

[0008] In some embodiments, the reflective material layer has a flange on the side near the D-surface, and the flange covers the D-surface.

[0009] In some embodiments, the upper surface of the reflector faces the battery cell and is inclined relative to the horizontal plane.

[0010] In some embodiments, the upper surface of the reflector is tilted at an angle of 10° to 43° relative to the horizontal plane.

[0011] In some embodiments, the upper surface of the reflective material layer is a mirror.

[0012] In some embodiments, the reflective material layer is a cured UV adhesive layer, and the reflective protrusions are formed by a tooth rolling process before the UV adhesive layer is cured; Alternatively, the reflective material layer may be made of metal.

[0013] In some embodiments, the reflective material layer is detachably mounted on the upper surface of the reflector.

[0014] In some embodiments, the reflective material layer is adhered to the upper surface of the reflector; Alternatively, the reflective material layer may have multiple locking blocks, and the reflective plate may have multiple locking holes, with the multiple locking blocks correspondingly locked into the multiple locking holes.

[0015] The second objective of this invention is to provide a photovoltaic module, which includes the photovoltaic module frame described in any of the preceding claims.

[0016] The beneficial effects of this utility model are: This utility model provides a photovoltaic module frame and a photovoltaic module. Each profile component of the photovoltaic module frame includes a mounting part and a reflective part. The mounting part is provided with a mounting groove for being fastened around the laminate of the photovoltaic module. There is a light-transmitting gap between the inner sidewall of the mounting part and the solar cells in the laminate. The reflective part includes a reflector and a reflective material layer. The reflector is disposed inside the mounting part and below the light-transmitting gap. The reflective material layer covers the upper surface of the reflector and has several reflective protrusions on the upper surface of the reflector.

[0017] The advantages of this photovoltaic module frame are as follows: First, by setting a reflector and a reflective material layer below the light-transmitting gap, light passing through the light-transmitting gap from the front of the module and hitting the frame can be reflected onto the solar cells. At the same time, some light hitting the frame from the back of the module can also be reflected onto the solar cells, thereby increasing the power generation of the photovoltaic module. Second, by setting a reflective material layer on the upper surface of the reflector, the reflective performance of the frame can be improved, thereby improving the reflective efficiency. Third, by setting reflective protrusions on the upper surface of the reflective material layer, the light hitting the reflective material layer will form a diffuse reflection phenomenon, thereby increasing the reflection area of ​​light on the solar cells. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the longitudinal section of one of the profile components in the frame of the photovoltaic module provided in Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the longitudinal section of one of the profile components in the frame of the photovoltaic module provided in Embodiment 2 of this utility model; Figure 3 This is a three-dimensional schematic diagram of the reflective material layer in the frame of a photovoltaic module provided in Embodiment 3 of this utility model; Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0020] icon: 1-A side; 2-B side; 3-C side; 4-D side; 5-E side; 6-Light-transmitting gap; 7-Reflector; 71-Snap-fit ​​hole; 8-Reflective material layer; 81-Reflective protrusion; 82-Snap-fit ​​block; 9-Transition plate; 10-Flanged edge; 100 - Laminated component; 110 - Solar cell. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] It should be noted that in the description of this utility model, the terms "connection" and "installation" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or a connection through an intermediate medium; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Example 1 The photovoltaic module frame consists of four profile components connected end-to-end to form a closed loop. Specifically, the photovoltaic module frame is a rectangular frame formed by two long profile components and two short profile components connected in an alternating manner. Figure 1 Here is a schematic diagram of the longitudinal section of one of the profile components, referencing... Figure 1 Each of the profile components includes a mounting portion and a reflective portion, wherein: the mounting portion is provided with a mounting groove for being fastened around the laminate 100 of the photovoltaic module, and there is a light-transmitting gap 6 between the inner sidewall of the mounting portion and the solar cell 110 in the laminate 100; the reflective portion includes a reflector 7 and a reflective material layer 8, the reflector 7 is disposed inside the mounting portion and below the light-transmitting gap 6, the reflective material layer 8 covers the upper surface of the reflector 7, and the upper surface of the reflective material layer 8 has a plurality of reflective protrusions 81.

[0025] Specifically, the mounting section includes surface A1, surface B2, surface C3, surface D4, and surface E5. Surfaces A1, E5, and C3 are connected sequentially from top to bottom to the side of surface B2 near the laminate 100 of the photovoltaic module. Surface D4 is connected between surface E5 and surface C3. Surfaces A1, B2, and E5 together form a mounting groove for securing the laminate 100 around its perimeter. The sides of surfaces A1, D4, and E5 furthest from surface B2 together form the inner wall of the mounting section.

[0026] The advantages of this photovoltaic module frame are as follows: First, by setting a reflector 7 and a reflective material layer 8 below the light-transmitting gap 6, light passing through the light-transmitting gap 6 from the front of the module and hitting the frame can be reflected onto the solar cells 110. At the same time, some light hitting the frame from the back of the module can also be reflected onto the solar cells 110, thereby increasing the power generation of the photovoltaic module. Second, by setting a reflective material layer 8 on the upper surface of the reflector 7, the reflective performance of the frame can be improved, thereby improving the reflective efficiency. Third, by setting reflective protrusions 81 on the upper surface of the reflective material layer 8, the light hitting the reflective material layer 8 forms a diffuse reflection phenomenon, thereby increasing the reflection area of ​​light on the solar cells 110.

[0027] The number of reflective protrusions 81 can be adaptively adjusted according to the area of ​​the upper surface of the reflective material layer 8. The distribution of each reflective protrusion 81 can be linear or irregular. In addition, the reflective protrusions 81 can be one of the following: toothed structure, arc-shaped protrusion structure, or conical protrusion structure.

[0028] In this embodiment, each reflective protrusion 81 has a toothed structure. Specifically, the reflective protrusion 81 is a toothed structure extending along the length direction of the profile component. There are multiple reflective protrusions 81, and the multiple reflective protrusions 81 are arranged sequentially from the D-side 4 to the battery cell 110. In the above structure, the reflective protrusion 81 has an inclined surface facing the battery cell 110, which can increase the reflection distance of light on the battery cell 110.

[0029] In this embodiment, the upper surface of the reflector 7 faces the battery cell 110 and is inclined relative to the horizontal plane. The angle α of the upper surface of the reflector 7 relative to the horizontal plane is 10° to 43°, preferably 20° to 30°. For example, the angle α can be one of 10°, 20°, 25°, 28°, 30°, 40°, or 43°. Inclining the reflector 7 relative to the horizontal plane allows more light to be reflected onto the battery cell 110.

[0030] In this embodiment, the reflective part also includes a transition plate 9. One side of the reflective plate 7 is connected to the D surface 4 and the other side is inclined downward toward the C surface 3. The transition plate 9 is connected between the side of the reflective plate 7 away from the D surface 4 and the C surface 3. The upper end of the transition plate 9 protrudes from the upper surface of the reflective plate 7. The D surface 4, the reflective plate 7 and the transition plate 9 together form a receiving groove, and the reflective material layer 8 is disposed in the receiving groove.

[0031] In the above structure, the C-side 3, D-side 4, reflector 7 and transition plate 9 together form a cavity, which can improve the structural strength of the frame; the D-side 4, reflector 7 and transition plate 9 together form a receiving groove, which can restrict the position of the reflective material layer 8 on the reflector 7, thereby avoiding the problem of the reflective material layer 8 falling off.

[0032] Furthermore, the upper surface of the reflective material layer 8 is mirrored to further enhance the reflectivity of the reflective material layer 8.

[0033] Furthermore, the reflective material layer 8 is detachably mounted on the upper surface of the reflector 7 to facilitate replacement of the reflective material layer 8.

[0034] In this embodiment, the reflective material layer 8 is a cured UV adhesive layer, and the reflective protrusions 81 are formed by a toothed process before the UV adhesive layer is cured. Due to the material properties of the UV adhesive layer, the reflective material layer 8 will adhere to the upper surface of the reflector 7 after curing. When the upper surface of the reflective material layer 8 is severely damaged, the original reflective material layer 8 can be pried off, and then a new reflective material layer 8 can be processed on the reflector 7.

[0035] The specific processing method of the reflective material layer 8 provided in this embodiment is as follows: First, a UV adhesive layer is coated on the upper surface of the reflector 7, and the UV adhesive layer is confined within a receiving groove; then, toothed serrations are rolled on the upper surface of the UV adhesive layer to form reflective protrusions 81; next, the UV adhesive layer is irradiated with ultraviolet light of a specific wavelength (e.g., 360nm) to cure it, and the cured UV adhesive layer naturally adheres to the upper surface of the reflector 7; finally, a highly reflective metallic film is formed on the upper surface of the UV adhesive layer through an electroplating process. This reflective material layer 8 has advantages such as high reflectivity, simple processing technology, low material cost, and removability / replaceability.

[0036] Example 2 Reference Figure 2 The difference between the photovoltaic module frame provided in this embodiment and that in Embodiment 1 is that the material of the reflective material layer 8 is different and the fixing method with the reflector 7 is different.

[0037] In this embodiment, the reflective material layer 8 is made of metal, and its upper surface is formed into a mirror surface by electroplating or polishing. Multiple locking blocks 82 are provided on the reflective material layer 8, and multiple locking holes 71 are provided on the reflector plate 7. The multiple locking blocks 82 are correspondingly locked into the multiple locking holes 71.

[0038] In addition to the advantages of Embodiment 1, the reflective material layer 8 provided in this embodiment also has the advantages of being reusable and easy to disassemble and assemble.

[0039] The rest of the structure in this embodiment is the same as in Embodiment 1.

[0040] Example 3 Reference Figure 3 and Figure 4 This embodiment is an extension of embodiment two. In this embodiment, the reflective material layer 8 is a metal sheet, the reflective protrusions 81 on the reflective material layer 8 are formed by pressing, and the card blocks 82 on the reflective material layer 8 are formed by bending and pressing.

[0041] Furthermore, a flange 10 is provided on the side of the reflective material layer 8 near the D-surface 4, and the flange 10 covers the D-surface 4. In this embodiment, the flange 10 is formed by bending a metal sheet away from the reflector 7, and the side of the flange 10 facing away from the D-surface 4 is a mirror surface. The flange 10 can reflect the light reflected onto the D-surface 4 onto the battery cell 110.

[0042] This application also provides a photovoltaic module, which includes the photovoltaic module frame provided in any of the above embodiments. This photovoltaic module possesses at least all the technical effects of the aforementioned photovoltaic module frame, which will not be elaborated further here.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A photovoltaic module frame, comprising four profile components connected end-to-end to form a closed loop, characterized in that, Each of the aforementioned profile components includes a mounting portion and a reflective portion, wherein: The mounting part is provided with a mounting groove for locking around the laminate (100) of the photovoltaic module, and there is a light-transmitting gap (6) between the inner sidewall of the mounting part and the solar cell (110) in the laminate (100). The reflective part includes a reflector (7) and a reflective material layer (8). The reflector (7) is disposed inside the mounting part and below the light-transmitting gap (6). The reflective material layer (8) covers the upper surface of the reflector (7) and has a plurality of reflective protrusions (81) on the upper surface of the reflector (7).

2. The photovoltaic module frame according to claim 1, characterized in that, The mounting part includes surface A (1), surface B (2), surface C (3), surface D (4) and surface E (5). Surface A (1), surface E (5) and surface C (3) are connected from top to bottom to the side of surface B (2) near the laminate (100). Surface D (4) is connected between surface E (5) and surface C (3). Surface A (1), surface B (2) and surface E (5) together form the mounting groove. The reflective part is connected between surface C (3) and surface D (4).

3. The photovoltaic module frame according to claim 2, characterized in that, The reflective part also includes a transition plate (9), one side of the reflective plate (7) is connected to the D surface and the other side is inclined downward toward the C surface (3), and the transition plate (9) is connected between the side of the reflective plate (7) away from the D surface (4) and the C surface (3). The upper end of the transition plate (9) protrudes from the upper surface of the reflector (7). The D-side (4), the reflector (7) and the transition plate (9) together form a receiving groove, and the reflective material layer (8) is disposed in the receiving groove.

4. The photovoltaic module frame according to claim 2, characterized in that, The reflective material layer (8) has a flange (10) on the side near the D surface (4), and the flange (10) covers the D surface (4).

5. The photovoltaic module frame according to claim 1, characterized in that, The upper surface of the reflector (7) faces the battery cell (110) and is inclined relative to the horizontal plane. The angle of inclination of the upper surface of the reflector (7) relative to the horizontal plane is 10°~43°.

6. The photovoltaic module frame according to claim 1, characterized in that, The upper surface of the reflective material layer (8) is a mirror.

7. The photovoltaic module frame according to any one of claims 1 to 6, characterized in that, The reflective material layer (8) is a cured UV adhesive layer, and the reflective protrusion (81) is formed by a tooth rolling process before the UV adhesive layer is cured. Alternatively, the reflective material layer (8) may be made of metal.

8. The photovoltaic module frame according to any one of claims 1 to 6, characterized in that, The reflective material layer (8) is detachably mounted on the upper surface of the reflector (7).

9. The photovoltaic module frame according to claim 8, characterized in that, The reflective material layer (8) is adhered to the upper surface of the reflector (7); Alternatively, the reflective material layer (8) is provided with multiple locking blocks (82), and the reflective plate (7) is provided with multiple locking holes (71), and the multiple locking blocks (82) are locked in the multiple locking holes (71) one by one.

10. A photovoltaic module, characterized in that, Including the photovoltaic module frame as described in any one of claims 1 to 9.

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