A photovoltaic module lamination apparatus

Abstract

The utility model provides a kind of photovoltaic module laminating device.The photovoltaic module laminating device includes laminating frame for frame setting laminating piece;Wherein, laminating frame includes multilayer adjusting device, the height of single-layer adjusting device is less than the thickness of laminating piece, the height of adjusting device is adapted to the maximum value of thickness direction before laminating piece laminating, adjusting device adjustable length and width to adapt to the length and width of laminating piece.The photovoltaic module laminating device solves the problem of uneven thickness of laminating process bubble, cell hidden crack and component.

Description

Technical Field

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

[0002] In current photovoltaic module mass production processes, integrated laminating frames, as the mainstream tooling equipment, while possessing good applicability, still face a series of problems caused by high glass warpage and uneven encapsulant thickness, such as poor appearance after lamination, cell cracking, and subtle cracks in the EL (electrode layer). While these defects may not necessarily affect module reliability, they significantly reduce product yield. Existing improvement solutions mainly focus on material replacement and lamination process parameter (temperature, pressure, time) control, such as using high-temperature resistant composite materials to reduce the weight of the laminating frame, or optimizing vacuuming time and pressure curves to improve encapsulation uniformity. However, material replacement is costly and time-consuming, and the range of process parameter adjustments is limited, failing to fundamentally solve the problem of uneven stress distribution caused by the mismatch between the laminating frame structure and material properties. In particular, traditional laminating frames are prone to stress concentration at the four corners, lacking the ability to actively compensate for thermo-mechanical coupling effects. Furthermore, their fixed-size design makes it difficult to adapt to the production of multiple module models, reducing production line flexibility. Therefore, there is an urgent need for laminating frame structural innovation to effectively adapt to glass warpage and encapsulant thickness fluctuations, ultimately improving module encapsulation quality and production efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a photovoltaic module lamination device that solves the problems of air bubbles, microcracks in cells, and uneven thickness of modules during the lamination process.

[0004] To achieve the objective of this utility model, the following technical solution is adopted:

[0005] According to one aspect of the present invention, a photovoltaic module laminating device is provided, the photovoltaic module laminating device including a laminating frame for framing the laminate; wherein, the laminating frame includes a multi-layer adjustment device, the height of a single layer of the adjustment device is less than the thickness of the laminate, the layer height of the adjustment device is adapted to the maximum value of the thickness direction of the laminate before lamination, and the adjustment device is adjustable in length and width to adapt to the length and width of the laminate.

[0006] According to one embodiment of the present invention, the adjusting device includes a plurality of adjusting members and a plurality of connecting plugs, the two ends of the connecting plugs being respectively inserted into the adjusting members, and the plurality of adjusting members being connected through the plurality of connecting plugs to form a hollow adjusting device.

[0007] According to one embodiment of the present invention, the adjusting member includes a plurality of rectangular thin plates of different sizes disposed in the length and width directions and four L-shaped thin plates disposed at the corners.

[0008] According to one embodiment of the present invention, the laminating frame further includes a glass correction device and a fixing member disposed above the multilayer adjustment device, wherein the fixing member is used to fix the glass correction device and the multilayer adjustment device.

[0009] According to one embodiment of the present invention, the glass correction device is a hollow thin sheet structure, and multiple first screw holes are provided on all four edges.

[0010] According to one embodiment of the present invention, the adjusting device has a second screw hole corresponding to the first screw hole, and the fixing member passes through the first screw hole, the second screw hole and the laminating frame in sequence to fix the glass correcting device, the adjusting device and the laminating frame.

[0011] According to one embodiment of the present invention, the adjusting device is made of metal or a temperature-insensitive polymer material.

[0012] One embodiment of this utility model has the following advantages or beneficial effects:

[0013] The photovoltaic module lamination device of this utility model includes a lamination frame for framing the laminated components. The lamination frame includes a multi-layer adjustment device and a glass correction device. The adjustment device is used to increase the height, with each individual height being smaller than the thickness of the laminated component. The number of layers is adjusted according to the thickness of the laminated component. Each layer can be disassembled and its width and length can be adjusted according to the shape of the laminated component. The glass correction device is used to balance the edge glass warping during the module lamination process and the uneven edge pressure caused by the shape of the silicone plate of the laminator itself, while correcting the module thickness.

[0014] This photovoltaic module lamination device solves the problems of air bubbles, microcracks in cells, and uneven module thickness during the lamination process. Attached Figure Description

[0015] The above and other features and advantages of this invention will become more apparent from a detailed description of exemplary embodiments with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the structure of an existing photovoltaic module lamination device.

[0017] Figure 2 This is a schematic diagram of the glass straightening device in this utility model.

[0018] Figure 3 This is a schematic diagram of the adjusting device in this utility model.

[0019] Figure 4 This is a schematic diagram of the assembly of the glass correction device and the adjustment device in this utility model.

[0020] Figure 5 This is a schematic diagram of the photovoltaic module lamination device in this utility model.

[0021] Figure label:

[0022] 1. Laminated frame; 2. Glass straightening device; 21. First screw hole; 3. Adjustment device; 31. Adjusting component; 32. Connecting plug; 33. Second screw hole; 4. Laminated component. Detailed Implementation

[0023] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.

[0024] The terms “a,” “one,” “the,” and “the” are used to indicate the existence of one or more elements / components / etc.; the terms “including” and “having” are used to indicate an open-ended meaning of inclusion and that other elements / components / etc. may exist in addition to the listed elements / components / etc.

[0025] like Figures 1 to 5 As shown, the photovoltaic module laminating device of this utility model embodiment includes a laminating frame 1 for framing the laminating component 4; wherein, the laminating frame 1 includes a multi-layer adjustment device 3, the height of a single-layer adjustment device 3 is less than the thickness of the laminating component 4, the layer height of the adjustment device 3 is adapted to the maximum value of the thickness direction of the laminating component 4 before lamination, and the length and width of the adjustment device 3 can be adjusted to adapt to the length and width of the laminating component 4.

[0026] The adjustment device 3 includes multiple adjustment components 31 and multiple connecting plugs 32. The two ends of the connecting plugs 32 are respectively inserted into the adjustment components 31. The multiple adjustment components 31 are connected by the multiple connecting plugs 32 to form a hollow adjustment device 3.

[0027] The adjusting member 31 includes multiple rectangular thin plates of different sizes arranged in the length and width directions and four L-shaped thin plates arranged at the corners.

[0028] The lamination frame 1 also includes a glass correction device 2 disposed above the multi-layer adjustment device 3 and a fixing member, which is used to fix the glass correction device 2 and the multi-layer adjustment device 3.

[0029] The glass correction device 2 is a hollow thin sheet structure, and multiple first screw holes 21 are provided on all four edges.

[0030] The glass correction device 2 is made of a sturdy material that is not easily crushed, and the glass correction device 2 can also be a mesh structure.

[0031] When the laminator presses the laminate 4, the stress around the laminate is the greatest. Therefore, the laminator frame 1 and the glass correction device 2 are set around the laminate 4.

[0032] The adjusting device 3 has a second screw hole 33 corresponding to the first screw hole 21. The fastener passes through the first screw hole 21, the second screw hole 33 and the laminating frame 1 in sequence to fix the glass correcting device 2, the adjusting device 3 and the laminating frame 1.

[0033] The regulating device 3 is made of metal or a temperature-insensitive polymer material.

[0034] like Figure 2 As shown, the top layer of the lamination unit is a glass and backsheet correction device. Because glass may exhibit varying degrees of warpage, if the warpage exceeds the upper limit and lamination parameters are not corrected, the edges of the finished module will be too thick or even lack adhesive. This device, placed on top of the lamination unit, corrects glass and backsheet warpage while preventing overpressure, thus avoiding adhesive shortages at the module edges. The glass correction device balances glass warpage and works in conjunction with the splicing fixtures to constrain the perimeter of the module, reducing warpage around the module's edges.

[0035] like Figure 3 As shown, the adjustment device 3 is mainly used to increase the height. The height of a single layer is smaller than the thickness of the component. The number of layers is adjusted according to the thickness of the component. Each layer can be disassembled and its width, length, and height can be adjusted according to the component size. The height direction must be consistent with the maximum thickness in the component before lamination (the height must be consistent with the thickest position of the component before lamination). The adjustment device 3 can be stacked, assembled, and spliced ​​according to the glass size of the component.

[0036] The length, width, and number of layers of the adjustment device 3 can be flexibly adjusted according to the component pattern.

[0037] The modular, detachable laminating frame can limit the deformation around the module during lamination, reducing microcracks in the cells and warping of the glass or backsheet. At the same time, the modular laminating frame can be adapted to modules of different sizes.

[0038] The photovoltaic module lamination device of this utility model includes a lamination frame 1 for framing the laminating component 4. The lamination frame 1 includes a multi-layer adjustment device 3 and a glass correction device 2. The adjustment device 3 is used to increase the height, and the height of each individual layer is smaller than the thickness of the laminating component 4. The number of layers is adjusted according to the thickness of the laminating component 4. Each layer can be disassembled and its width and length can be adjusted according to the shape of the laminating component 4. The glass correction device 2 is used to balance the edge glass warping during the module lamination process and the uneven edge pressure caused by the shape of the silicone plate of the laminator itself, while correcting the module thickness.

[0039] This photovoltaic module lamination device solves the problems of air bubbles, microcracks in cells, and uneven module thickness during the lamination process.

[0040] In this embodiment of the invention, the term "multiple" refers to two or more, unless otherwise explicitly defined. The terms "install," "connect," and "fix" should be interpreted broadly. For example, "connect" can mean a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention based on the specific circumstances.

[0041] In the description of the embodiments of this utility model, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific direction or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0042] In this specification, the terms "an embodiment," "a preferred embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0043] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A photovoltaic module lamination device, characterized in that, include: A laminating frame (1) for framing the laminate (4); The laminate frame (1) includes a multi-layer adjustment device (3). The height of a single layer of the adjustment device (3) is less than the thickness of the laminate (4). The layer height of the adjustment device (3) is adapted to the maximum value of the thickness direction of the laminate (4) before lamination. The length and width of the adjustment device (3) can be adjusted to adapt to the length and width of the laminate (4).

2. The photovoltaic module lamination device according to claim 1, characterized in that, The adjustment device (3) includes multiple adjustment components (31) and multiple connecting plugs (32). The two ends of the connecting plugs (32) are respectively inserted into the adjustment components (31). The multiple adjustment components (31) are connected by the multiple connecting plugs (32) to form a hollow adjustment device (3).

3. A photovoltaic module laminating device according to claim 2, characterized in that, The adjusting component (31) includes multiple rectangular thin plates of different sizes arranged in the length and width directions and four L-shaped thin plates arranged at the corners.

4. A photovoltaic module laminating device according to claim 1, characterized in that, The laminate frame (1) also includes a glass correction device (2) disposed above the multi-layer adjustment device (3) and a fixing member, the fixing member being used to fix the glass correction device (2) and the multi-layer adjustment device (3).

5. A photovoltaic module laminating device according to claim 4, characterized in that, The glass correction device (2) is a hollow thin sheet structure, and multiple first screw holes (21) are provided on all four edges.

6. A photovoltaic module laminating device according to claim 5, characterized in that, The adjusting device (3) has a second screw hole (33) corresponding to the first screw hole (21). The fixing member passes through the first screw hole (21), the second screw hole (33) and the laminating frame (1) in sequence to fix the glass correcting device (2), the adjusting device (3) and the laminating frame (1).

7. A photovoltaic module laminating device according to claim 1, characterized in that, The regulating device (3) is made of metal or a temperature-insensitive polymer material.

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