Laser edge trimming device and system for photovoltaic modules

Abstract

The application relates to a photovoltaic module laser trimming device and system. The photovoltaic module laser trimming device is used for trimming the adhesive film on the glass plate of a photovoltaic module, and comprises a frame body, a placing table, a material conveying mechanism and a plurality of trimming assemblies. The photovoltaic module laser trimming system comprises a control module and the photovoltaic module laser trimming device. In actual production process, the photovoltaic module laser trimming system is provided with a gasket assembly between the glass plate and the adhesive film to prevent the cutting assembly from damaging the glass plate, thereby improving the quality of the photovoltaic module, the trimming efficiency of the photovoltaic module and the yield of the photovoltaic module. The control module is arranged, so that remote programmed setting can be realized, the automatic performance of the whole photovoltaic module laser trimming system is improved, and the production efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of photovoltaic module processing technology, and in particular to a photovoltaic module laser trimming device and system. Background Technology

[0002] Solar photovoltaic (PV) power generation is a technology that directly converts light energy into electrical energy using the photovoltaic effect at semiconductor interfaces. As the demands for sustainable economic and social development increase, so do the requirements for energy and environmental protection, making this power generation method increasingly important. In the production process of PV modules, a layer of encapsulating film is typically laid on a glass plate, followed by the arrangement of solar cells on the film. After the cells are thermally welded together, a base plate is placed on top. For double-glass modules, an additional glass plate is placed on the base plate, followed by lamination, edge sealing, and framing.

[0003] In photovoltaic modules, the encapsulant film must be aligned with the four edges of the glass panel. However, during the glass module transportation process and after the encapsulant film is laid, the encapsulant film often bulges and becomes uneven in some areas. Or, due to insufficient accuracy in the installation of the encapsulant film or factors during the module transportation process, the planar position between the encapsulant film and the glass panel may shift.

[0004] Therefore, it is necessary to trim the edges of the encapsulant film on the glass plate to ensure the quality of subsequent processes. Related technologies use hot-melt technology to trim the edges of the encapsulant film; however, the high temperatures during this process can easily damage the glass plate, leading to a decrease in the quality of the finished photovoltaic module and even a reduction in the yield rate. Utility Model Content

[0005] Based on this, to address the problem that high temperatures can easily damage glass plates, leading to a decrease in the quality of finished photovoltaic modules and even a decrease in yield, a photovoltaic module laser trimming device and system are provided.

[0006] A photovoltaic module laser trimming device is used to trim the encapsulant film on a photovoltaic module glass plate. The photovoltaic module laser trimming device includes:

[0007] Frame;

[0008] A placement platform is provided on the frame;

[0009] A material conveying mechanism, disposed on the frame, is used to load photovoltaic modules onto the placement platform or unload them from the placement platform;

[0010] Multiple trimming components are disposed on the edge of the placement platform and arranged circumferentially around the placement platform; each trimming component includes a moving mechanism, a cutting component, and a pad component.

[0011] The cutting component and the pad assembly are disposed on the moving mechanism. The moving mechanism is used to drive the cutting component and the pad assembly to move circumferentially around the placement platform. The cutting component is used to trim the photovoltaic module, and the pad assembly is used to pad the photovoltaic module.

[0012] In the actual production line process, the photovoltaic module laser trimming device described above, consisting of photovoltaic modules formed by laying one or two layers of encapsulant film and cell strings on a glass plate upstream, arrives at the material transfer mechanism. The material transfer mechanism conveys the photovoltaic modules and places them on the placement table. Subsequently, the moving mechanism drives the cutting component and the spacer component to their corresponding positions. The spacer component is placed between the photovoltaic module, specifically between the glass plate and the encapsulant film. Then, the cutting component trims the encapsulant film according to the contour of the glass plate. Multiple trimming components can trim the encapsulant film in different directions around the glass plate independently. This achieves both the trimming of the photovoltaic module's encapsulant film and the protection of the glass plate by the spacer component during the trimming process. This improves the quality, trimming efficiency, and yield of the photovoltaic modules.

[0013] In one embodiment, the moving mechanism includes a first moving part and a second moving part;

[0014] The second moving part is disposed on the first moving part, and the first moving part drives the second moving part to move along the circumference of the placement platform;

[0015] The cutting assembly and the gasket assembly are disposed on the second moving part. The second moving part drives the gasket assembly and the cutting assembly to move in a direction perpendicular to the extension of the first moving part, so that the cutting assembly and the gasket assembly move closer to or further away from the photovoltaic module.

[0016] In one embodiment, there are four trimming components, two of which are positioned on both sides of the frame along a first direction as first trimming components, and the other two are positioned on both sides of the frame along a second direction as second trimming components. The first moving part of the first trimming component drives the corresponding second moving part to move along the second direction, and the second moving part of the first trimming component drives the corresponding pad assembly and the cutting assembly to move along the first direction. The first moving part of the second trimming component drives the corresponding second moving part to move along the first direction, and the second moving part of the second trimming component drives the corresponding pad assembly and the cutting assembly to move along the second direction. The first direction is the direction in which the material conveying mechanism transports the photovoltaic module, and the first direction, the second direction, and the vertical direction are perpendicular to each other.

[0017] In one embodiment, the material transfer mechanism includes multiple conveying parts and a lifting assembly. The placement platform has multiple through holes extending along a first direction. The lifting assembly is connected to the frame, and the conveying parts are connected to the lifting assembly. The lifting assembly is used to drive the conveying parts to pass through the through holes in a vertical direction to lift the photovoltaic module or place the photovoltaic module on the placement platform. The first direction is the direction in which the material transfer mechanism transports the photovoltaic module.

[0018] In one embodiment, the gasket assembly includes a gasket body, a connecting rod, and a rotating part. One end of the connecting rod is connected to the moving mechanism, and the other end is rotatably connected to the rotating part about a vertical axis. The end of the rotating part opposite to the connecting rod is connected to the gasket body to drive the gasket body to rotate about the vertical axis.

[0019] In one embodiment, the gasket assembly further includes a displacement portion connected to the connecting rod, and a rotating portion disposed on the displacement portion, the displacement portion driving the rotating portion to move in the vertical direction.

[0020] In one embodiment, the gasket assembly further includes a cleaning section and a rotating rod, the rotating rod being horizontally positioned and rotatably connected to the connecting rod about a vertical axis, one end of the rotating rod facing away from the connecting rod being connected to the cleaning section, the cleaning section being capable of cleaning the surfaces of the photovoltaic module and the placement platform.

[0021] In one embodiment, the cutting assembly further includes a clamping part and a laser head, the clamping part and the laser head being connected to the moving mechanism;

[0022] The gasket assembly further includes an elastic part and a connecting block. The connecting block is horizontally arranged and connected to the connecting rod. The connecting block has a receiving cavity. The rotating part passes through the receiving cavity in a vertical direction. The side wall of the rotating part is provided with a limiting part. The elastic part is located between the limiting part and the bottom wall of the receiving cavity. The pressing part moves in a vertical direction to abut against the rotating part or release the rotating part.

[0023] In one embodiment, the photovoltaic module laser trimming device further includes multiple straightening components, each including a straightening part and a driving part. The side wall of the placement platform is provided with multiple horizontal clearance slots, and the multiple straightening components correspond one-to-one with the multiple clearance slots. The driving part is connected to the frame and located on the lower side of the placement platform. The straightening part passes through the clearance slot in the vertical direction, and the driving part drives the corresponding straightening part to move along the extension direction of the clearance slot, so that the straightening part moves closer to or further away from the photovoltaic module.

[0024] A photovoltaic module laser trimming system, the photovoltaic module laser trimming system comprising: a control module and the photovoltaic module laser trimming device;

[0025] The moving mechanism, the cutting component, the gasket assembly, and the material transfer mechanism are all connected to the control module, which is used to control the movement of the moving mechanism, the cutting component, the gasket assembly, and the material transfer mechanism.

[0026] In the actual production line process of the aforementioned photovoltaic module laser trimming system, photovoltaic modules formed by laying one or two layers of encapsulant film and cell strings on a glass plate upstream of the production line arrive at the material transfer mechanism. The material transfer mechanism conveys the photovoltaic modules and places them on the placement table. Subsequently, the moving mechanism drives the cutting component and the spacer component to their corresponding positions. The spacer component is placed between the glass plate and the encapsulant film. Then, the cutting component trims the encapsulant film according to the contour of the glass plate. Multiple trimming components can trim the encapsulant film in different directions around the glass plate independently. This achieves both the trimming of the photovoltaic module encapsulant film and the protection of the glass plate by the spacer component during the trimming process. This improves the quality, trimming efficiency, and yield of the photovoltaic modules. Furthermore, by setting up a control module, remote programmable settings can be achieved, improving the automation performance of the entire photovoltaic module laser trimming system and increasing production efficiency. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of a photovoltaic module laser trimming device according to an embodiment.

[0028] Figure 2 for Figure 1 Enlarged view of the central placement platform.

[0029] Figure 3 for Figure 1 Enlarged view of the material transfer mechanism.

[0030] Figure 4 for Figure 1 Enlarged view of the middle gasket assembly.

[0031] Figure 5 An enlarged view showing the placement of the gasket assembly and the cutting assembly within the photovoltaic module.

[0032] Figure 6 This is an enlarged view of the cutting components and the moving mechanism.

[0033] Figure 7 for Figure 1 Enlarged view of the medium-sized component.

[0034] Explanation of icon numbers:

[0035] 10- Photovoltaic module laser trimming device;

[0036] 100-Frame;

[0037] 200 - Placement platform; 201 - Through hole; 202 - Clearance slot;

[0038] 300 - Material conveying mechanism; 310 - Conveying section; 320 - Lifting assembly;

[0039] 400 - Trimming assembly; 410 - Moving mechanism; 411 - First moving part; 412 - Second moving part; 420 - Cutting assembly; 421 - Pressing part; 422 - Laser head; 430 - Gasket assembly; 431 - Gasket body; 432 - Connecting rod; 433 - Rotating part; 434 - Displacement part; 435 - Cleaning part; 436 - Rotating rod; 437 - Connecting block;

[0040] 500 - Steering component; 510 - Steering section; 520 - Drive section;

[0041] 600-Waste Box;

[0042] 20 - Photovoltaic module; 21 - Glass panel; 22 - Encapsulating film;

[0043] OX - First direction; OY - Second direction; OZ - Third direction. Detailed Implementation

[0044] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0045] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and 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, and therefore should not be construed as a limitation of this application.

[0046] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0047] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0048] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0049] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0050] See Figure 1 , Figure 1The diagram shows a schematic of the structure of a photovoltaic module laser trimming device 10 according to an embodiment of the present application. The photovoltaic module laser trimming device 10 provided in an embodiment of the present application is used to trim the encapsulant film on the glass plate of the photovoltaic module. The photovoltaic module laser trimming device 10 includes: a frame 100, a placement table 200, a material transfer mechanism 300, and a plurality of trimming components 400.

[0051] In the aforementioned photovoltaic module laser trimming device 10, reference is made to... Figure 2 The placement platform 200 is set on the frame 100 and is used to place photovoltaic modules. Figure 3 The material conveying mechanism 300 is installed on the frame 100 and is used to load photovoltaic modules onto the placement platform 200 or unload them from the placement platform 200 and place them on the placement platform 200. (See also...) Figure 1 Multiple trimming components 400 are disposed on the edge of the placement platform 200 and arranged at intervals around the placement platform 200 in a circumferential manner, combined with Figure 4 and Figure 5 The trimming assembly 400 includes a moving mechanism 410, a cutting assembly 420, and a pad assembly 430. The cutting assembly 420 and the pad assembly 430 are disposed within the moving mechanism 410, which drives the cutting assembly 420 and the pad assembly 430 to move circumferentially around the placement table 200. Figure 1 The cutting component 420 is used to trim the edge of the encapsulant film 22 of the photovoltaic module 20, and the gasket component 430 is used to place it on the photovoltaic module 20, such as... Figure 5 .

[0052] In the actual production line process, the photovoltaic module laser trimming device 10 described above, the photovoltaic module 20 formed by laying one or two layers of adhesive film 22 on the glass plate 21 and the battery string from the upstream of the production line arrives at the material transfer mechanism 300. The material transfer mechanism 300 conveys the photovoltaic module 20 and places it on the placement table 200. Then, the moving mechanism 410 drives the cutting component 420 and the pad component 430 to move to the corresponding positions. The pad component 430 is placed between the glass plate 21 and the adhesive film 22. Then, the cutting component 420 trims the adhesive film 22. The film 22 is trimmed according to the contour of the glass plate 21. Multiple trimming components 400 can trim the film 22 in different directions around the glass plate 21 independently. This achieves trimming of the film 22 of the photovoltaic module 20. At the same time, during the trimming of the film 22 by the cutting component 420, the spacer component 430 is placed between the glass plate 21 and the film 22 to prevent damage to the glass plate 21 by the cutting component 420. This improves the quality of the photovoltaic module 20, the trimming efficiency of the photovoltaic module 20, and the yield of the photovoltaic module 20.

[0053] See Figure 1 and Figure 6In one embodiment, the moving mechanism 410 includes a first moving part 411 and a second moving part 412. The second moving part 412 is disposed on the first moving part 411, and the first moving part 411 drives the second moving part 412 to move circumferentially along the placement platform 200. The cutting assembly 420 and the pad assembly 430 are disposed on the second moving part 412, and the second moving part 412 drives the pad assembly 430 and the cutting assembly 420 to move in a direction perpendicular to the extension of the first moving part 411, so that the cutting assembly 420 and the pad assembly 430 move closer to or further away from the photovoltaic module 20. In this embodiment, by moving the cutting assembly 420 and the pad assembly 430 from their initial positions to the corresponding edges of the photovoltaic module 20 by the first moving part 411 and the second moving part 412, it can be applied to photovoltaic modules 20 with different planar sizes, thereby improving the applicability of the photovoltaic module laser trimming device 10 in this application to trimming photovoltaic modules 20 of different specifications.

[0054] See Figure 1 In one embodiment, the photovoltaic module laser trimming device 10 comprises four trimming components 400. Two trimming components 400 are positioned on either side of the frame 100 along the first direction OX, forming the first trimming components. The other two trimming components 400 are positioned on either side of the frame 100 along the second direction OY, forming the second trimming components. The first moving part 411 of the first trimming component drives the corresponding second moving part 412 to move along the second direction OY. The second moving part 412 of the first trimming component drives the corresponding pad assembly 430 and cutting assembly 420 to move along the first direction OX. Similarly, the first moving part 411 of the second trimming component drives the corresponding second moving part 412 to move along the first direction OX, and the second moving part 412 of the second trimming component drives the corresponding pad assembly 430 and cutting assembly 420 to move along the second direction OY. The first direction OX is the direction in which the material conveying mechanism 300 transports the photovoltaic module 20. The first direction OX, the second direction OY, and the vertical direction are perpendicular to each other. The vertical direction is the third direction OZ.

[0055] In this embodiment, four first moving parts 411 are connected end to end and surround the placement platform 200, forming a rectangular frame. The second moving parts 412 are perpendicular to the corresponding first moving parts 411, thereby enabling the regular cutting of the rectangular photovoltaic module 20. The first trimming component is responsible for trimming the adhesive film 22 on both sides of the photovoltaic module 20 along the first direction OX, and the second trimming component is responsible for trimming the adhesive film 22 on both sides of the photovoltaic module 20 along the second direction OY. The first moving parts 411 drive the cutting component 420 and the spacer component 430 to move along the edge of the photovoltaic module 20, and the second moving parts 412 drive the cutting component 420 and the spacer component 430 to move closer to or away from the edge of the photovoltaic module 20, thereby making it suitable for photovoltaic modules 20 with rectangular outlines.

[0056] See Figure 2 and Figure 3 In one embodiment, the material transfer mechanism 300 includes a plurality of conveying parts 310 and a lifting assembly 320. The placement table 200 has a plurality of through holes 201 extending along the first direction OX. The lifting assembly 320 is connected to the frame 100, and the conveying parts 310 are connected to the lifting assembly 320. The lifting assembly 320 is used to drive the conveying parts 310 through the through holes 201 in a vertical direction to lift the photovoltaic module 20 or place the photovoltaic module 20 on the placement table 200. The first direction OX is the direction in which the material transfer mechanism 300 transports the photovoltaic module 20. In this embodiment, when the photovoltaic module 20 is transported from the upstream of the production line to the photovoltaic module laser trimming device 10, the photovoltaic module 20 is higher than the highest point of the trimming device 400. At this time, the photovoltaic module laser trimming device 10 rises to receive the photovoltaic module 20. Then, the lifting component 320 drives the conveyor 310 to descend until the photovoltaic module 20 is placed on the placement platform 200. At this time, the conveyor 310 is lower than the upper surface of the placement platform 200. The trimming component 400 trims the adhesive film 22. After the trimming of the adhesive film 22 is completed, the lifting component 320 drives the conveyor 310 to rise, so as to lift the photovoltaic module 20 to the conveying height of the production line. Then, the conveyor 310 rotates so that the photovoltaic module 20 moves to the conveyor belt or roller downstream of the production line, thereby completing the entire adhesive film 22 trimming and conveying process of the photovoltaic module laser trimming device 10 on the production line.

[0057] See Figure 4 and Figure 5 In one embodiment, the gasket assembly 430 includes a gasket body 431, a connecting rod 432, and a rotating part 433. One end of the connecting rod 432 is connected to the moving mechanism 410, and the other end is rotatably connected to the rotating part 433 about a vertical axis. The end of the rotating part 433 away from the connecting rod 432 is connected to the gasket body 431 to drive the gasket body 431 to rotate about a vertical axis. In this embodiment, the gasket body 431 is driven by the rotating part 433 to rotate about a vertical axis, so that when the cutting assembly 420 cuts at a point, the gasket body 431 is in a rotating state, preventing heat from concentrating at a certain point on the gasket body 431, which could damage the gasket body 431 or even the lower glass plate 21.

[0058] See Figure 4 and Figure 5In one embodiment, the gasket assembly 430 further includes a displacement part 434 connected to the connecting rod 432. A rotating part 433 is disposed on the displacement part 434. The displacement part 434 drives the rotating part 433 to move in the vertical direction. Thus, after the first moving part 411 and the second moving part 412 move the gasket assembly 430 to a predetermined position on the edge of the photovoltaic module 20, the displacement part 434 drives the rotating part 433 to move in the vertical direction, that is, drives the gasket body 431 to move in the vertical direction, so that the gasket body 431 can be in a specific position in the vertical direction. Then, the second moving part 412 inserts the gasket body 431 between the glass plate 21 and the adhesive film 22, thereby completing the gasket installation operation.

[0059] See Figure 4 and Figure 5 In one embodiment, the gasket assembly 430 further includes a cleaning section 435 and a rotating rod 436. The rotating rod 436 is horizontally arranged and rotatably connected to the connecting rod 432 about a vertical axis. One end of the rotating rod 436 facing away from the connecting rod 432 is connected to the cleaning section 435, which is capable of cleaning the surfaces of the photovoltaic module 20 and the placement platform 200. Specifically, the edge of the placement plate is also provided with a waste box 600 extending along the edge of the placement plate. The waste box 600 has an upward opening. The rotation of the rotating rod 436 drives the cleaning section 435 to move horizontally to clean the surfaces of the photovoltaic module 20 and the placement platform 200, and sweeps the waste generated from the cutting edge into the waste box 600.

[0060] See Figure 4 and Figure 5 In one embodiment, the cutting assembly 420 further includes a clamping part 421 and a laser head 422, which are connected to the moving mechanism 410. The gasket assembly 430 further includes an elastic part (not shown) and a connecting block 437. The connecting block 437 is horizontally arranged and connected to the connecting rod 432. The connecting block 437 has a receiving cavity (not shown). A rotating part 433 passes through the receiving cavity in a vertical direction. A limiting part (not shown) is provided on the side wall of the rotating part 433. The elastic part is located between the limiting part and the bottom wall of the receiving cavity. The clamping part 421 moves in a vertical direction to abut against the rotating part 433 or release the rotating part 433.

[0061] In this embodiment, the laser head 422 cuts the edge of the adhesive film 22. The abutting force of the pressing part 421 and the elastic force of the elastic part drive the rotating part 433 to move slightly in the vertical direction, so that the pad body 431 is aligned with the gap between the glass plate 21 and the adhesive film 22, thereby accurately realizing the padding operation. The presence of the elastic element ensures that the rotating part 433 can rebound at all times, preventing the rotating part 433 from falling to the lowest point after a one-time contact, thus making the pad assembly 430 more versatile. Specifically, the elastic part can also be directly set between the top of the connecting block and the limiting part. The elastic part is a spring or a multi-layer spring sheet. The specific form and setting method of the elastic part are not limited here.

[0062] See Figure 2 and Figure 7 In one embodiment, the photovoltaic module laser trimming device 10 further includes a plurality of straightening components 500. Each straightening component 500 includes a straightening part 510 and a driving part 520. The side wall of the placement platform 200 is provided with a plurality of horizontal clearance slots 202. The plurality of straightening components 500 correspond one-to-one with the plurality of clearance slots 202. The driving part 520 is connected to the frame 100 and is located on the lower side of the placement platform 200. The straightening part 510 passes through the clearance slot 202 in a vertical direction. The driving part 520 drives the corresponding straightening part 510 to move along the extension direction of the clearance slot 202 so that the straightening part 510 moves closer to or further away from the photovoltaic module 20.

[0063] In this embodiment, before the photovoltaic module 20 reaches the placement platform 200, the straightening part 510 is outside the clearance slot 202 and at the end of the drive part 520 away from the placement platform 200. After the photovoltaic module 20 is placed on the placement platform 200, the photovoltaic module 20 is located between multiple straightening parts 500. The drive part 520 in the multiple straightening parts 500 drives the straightening part 510 to move toward the photovoltaic module 20 and can enter the clearance slot 202, thereby straightening the film 22 on the glass plate 21 in the photovoltaic module 20 in the horizontal direction, and then performing the edge trimming operation, thereby reducing the waste of film 22. Moreover, the straightening action does not require manual intervention, realizing the automation of edge trimming and improving the efficiency of the entire photovoltaic module laser edge trimming device 10 in trimming film 22.

[0064] Specifically, the clearance groove 202 extends along the first direction OX or the second direction OY, thereby serving to regulate the rectangular surface of the photovoltaic module 20.

[0065] Specifically, the placement platform 200 in this application consists of four flat plates and is supported by a frame 100. There are three conveying units 310. The four flat plates are arranged in sequence along the second direction OY. A conveying unit 310 is provided between two adjacent flat plates to convey the photovoltaic module 20.

[0066] Specifically, the first moving part 411 and the second moving part 412 in this application are linear guide rails, and the movement of the cutting component 420 and the pad assembly 430 is realized by a motor or a cylinder. The conveying part 310 is a transmission belt or multiple sets of rollers to drive the photovoltaic module 20 to move along the first direction OX. The lifting component 320 is a motor or a cylinder to lift the conveying part 310 or drive the conveying part 310 to descend. The rotating part 433 is a rotating shaft equipped with a drive motor, and can also be a rotating shaft that achieves rotation by gear transmission or wire transmission. The displacement part 434 can be a cylinder or a motor, and the rotating rod 436 is rotatably connected to the connecting rod 432 through a connecting electric rotating shaft. The pressing part 421 includes a pressing block and a driving component, and the driving component drives the pressing block to move up and down to drive the rotating part 433 to move up and down, wherein the driving component can be a cylinder or a motor. The driving part 520 is a linear guide rail, and the leveling part 510 is moved by a motor. The above-mentioned configuration is not limited in this application, and other specific configurations can be found in the prior art. The linear guide rail is installed with a fixing component. The linear guide rail drives the fixing component to move. The fixing component is equipped with a cutting component 420 and a shim component 430, which in turn drives the cutting component 420 and the shim component 430 to move.

[0067] A photovoltaic module laser trimming system includes a control module (not shown) and a photovoltaic module laser trimming device 10.

[0068] The moving mechanism 410, the cutting assembly 420, the pad assembly 430, and the material transfer mechanism 300 are all connected to the control module, which is used to control the movement of the moving mechanism 410, the cutting assembly 420, the pad assembly 430, and the material transfer mechanism 300.

[0069] In the actual production line process of the aforementioned photovoltaic module laser trimming system, the photovoltaic module 20, formed by laying one or two layers of adhesive film 22 and cell strings on the glass plate 21, arrives at the material transfer mechanism 300. The material transfer mechanism 300 conveys the photovoltaic module 20 and places it on the placement table 200. Subsequently, the moving mechanism 410 drives the cutting component 420 and the spacer component 430 to move to their corresponding positions. The spacer component 430 is placed between the glass plate 21 and the adhesive film 22. Then, the cutting component 420 trims the adhesive film 22 according to the contour of the glass plate 21. Multiple trimming components 400 can each trim the glass plate 21 independently. The film 22 around the plate 21 can be trimmed independently in different directions, thus achieving both trimming of the film 22 of the photovoltaic module 20 and, during the trimming process of the film 22 by the cutting module 420, the spacer assembly 430 is placed between the glass plate 21 and the film 22 to prevent damage to the glass plate 21 by the cutting module 420. This improves the quality, trimming efficiency, and yield of the photovoltaic module 20. Furthermore, by setting a control module, remote programmable settings can be achieved, improving the automation performance of the entire photovoltaic module laser trimming system and increasing production efficiency.

[0070] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0071] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A laser trimming device for photovoltaic modules, characterized in that, The photovoltaic module laser trimming device includes: Frame; A placement platform is provided on the frame; A material conveying mechanism, disposed on the frame, is used to load photovoltaic modules onto the placement platform or unload them from the placement platform; Multiple trimming components are disposed on the edge of the placement platform and arranged circumferentially around the placement platform; each trimming component includes a moving mechanism, a cutting component, and a pad component. The cutting component and the pad assembly are disposed on the moving mechanism. The moving mechanism is used to drive the cutting component and the pad assembly to move circumferentially around the placement platform. The cutting component is used to trim the photovoltaic module, and the pad assembly is used to pad the photovoltaic module.

2. The photovoltaic module laser trimming device according to claim 1, characterized in that, The moving mechanism includes a first moving part and a second moving part; The second moving part is disposed on the first moving part, and the first moving part drives the second moving part to move along the circumference of the placement platform; The cutting assembly and the gasket assembly are disposed on the second moving part. The second moving part drives the gasket assembly and the cutting assembly to move in a direction perpendicular to the extension of the first moving part, so that the cutting assembly and the gasket assembly move closer to or further away from the photovoltaic module.

3. The photovoltaic module laser trimming device according to claim 2, characterized in that, The plurality of trimming components comprises four, wherein two trimming components are disposed on both sides of the frame along a first direction as first trimming components, and the other two trimming components are disposed on both sides of the frame along a second direction as second trimming components; the first moving part of the first trimming component drives the corresponding second moving part to move along the second direction, and the second moving part of the first trimming component drives the corresponding pad assembly and the cutting assembly to move along the first direction; the first moving part of the second trimming component drives the corresponding second moving part to move along the first direction, and the second moving part of the second trimming component drives the corresponding pad assembly and the cutting assembly to move along the second direction; the first direction is the direction in which the material conveying mechanism transports the photovoltaic module, and the first direction, the second direction, and the vertical direction are perpendicular to each other.

4. The photovoltaic module laser trimming device according to claim 1, characterized in that, The material transfer mechanism includes multiple conveying parts and a lifting assembly. The placement platform has multiple through holes extending along a first direction. The lifting assembly is connected to the frame, and the conveying parts are connected to the lifting assembly. The lifting assembly is used to drive the conveying parts to pass through the through holes in a vertical direction to lift the photovoltaic module or place the photovoltaic module on the placement platform. The first direction is the direction in which the material transfer mechanism transports the photovoltaic module.

5. The photovoltaic module laser trimming device according to claim 1, characterized in that, The gasket assembly includes a gasket body, a connecting rod, and a rotating part. One end of the connecting rod is connected to the moving mechanism, and the other end is rotatably connected to the rotating part about a vertical axis. The end of the rotating part away from the connecting rod is connected to the gasket body to drive the gasket body to rotate about the vertical axis.

6. The photovoltaic module laser trimming device according to claim 5, characterized in that, The gasket assembly further includes a displacement part, which is connected to the connecting rod. A rotating part is disposed on the displacement part, and the displacement part drives the rotating part to move in the vertical direction.

7. The photovoltaic module laser trimming device according to claim 5, characterized in that, The gasket assembly also includes a cleaning section and a rotating rod. The rotating rod is horizontally positioned and rotatably connected to the connecting rod about a vertical axis. One end of the rotating rod away from the connecting rod is connected to the cleaning section. The cleaning section is capable of cleaning the surfaces of the photovoltaic module and the placement platform.

8. The photovoltaic module laser trimming device according to claim 5, characterized in that, The cutting assembly further includes a clamping part and a laser head, the clamping part and the laser head being connected to the moving mechanism; The gasket assembly further includes an elastic part and a connecting block. The connecting block is horizontally arranged and connected to the connecting rod. The connecting block has a receiving cavity. The rotating part passes through the receiving cavity in a vertical direction. The side wall of the rotating part is provided with a limiting part. The elastic part is located between the limiting part and the bottom wall of the receiving cavity. The pressing part moves in a vertical direction to abut against the rotating part or release the rotating part.

9. The photovoltaic module laser trimming device according to claim 1, characterized in that, The photovoltaic module laser trimming device further includes multiple straightening components, each including a straightening part and a driving part. The side wall of the placement platform is provided with multiple horizontal clearance slots, and the multiple straightening components correspond one-to-one with the multiple clearance slots. The driving part is connected to the frame and located on the lower side of the placement platform. The straightening part passes through the clearance slot in the vertical direction. The driving part drives the corresponding straightening part to move along the extension direction of the clearance slot, so that the straightening part moves closer to or further away from the photovoltaic module.

10. A photovoltaic module laser trimming system, characterized in that, The photovoltaic module laser trimming system includes: a control module and the photovoltaic module laser trimming device according to any one of claims 1-9; The moving mechanism, the cutting component, the gasket assembly, and the material transfer mechanism are all connected to the control module, which is used to control the movement of the moving mechanism, the cutting component, the gasket assembly, and the material transfer mechanism.

Images