Cleaning device for photovoltaic series welding equipment

Abstract

The embodiment of the utility model provides a cleaning device for photovoltaic series welding equipment. The cleaning device comprises a transverse movement guide piece, a transverse movement guide rail and a cleaning device, the vertical movement guide piece is arranged on the transverse movement guide rail in a sliding manner; and the cleaning assembly is arranged on the vertical movement guide piece in a sliding mode, and the cleaning assembly can be close to or away from the surface of the photovoltaic series welding equipment along the vertical movement guide piece. In the embodiment of the invention, when the surface of the photovoltaic series welding equipment needs to be cleaned, the cleaning device can be placed on the photovoltaic series welding equipment, then the cleaning assembly is pushed to move downwards by a preset distance along the vertical moving guide piece, and after the cleaning assembly makes contact with the surface of the photovoltaic series welding equipment, the vertical moving guide piece is pushed to slide along the transverse moving guide rail; and the cleaning assembly is driven to transversely move so as to clean the surface of the photovoltaic series welding equipment. According to the cleaning device, the surface of the photovoltaic series welding equipment is cleaned, the cleaning time of the photovoltaic series welding equipment is shortened, and the overall output efficiency is improved.

Description

Technical Field

[0001] The present application belongs to the field of photovoltaic cell technology, and in particular relates to a cleaning device for photovoltaic string welding equipment. Background Art

[0002] In the photovoltaic field, welding ribbons can be welded to photovoltaic cells to collect and transmit the photocurrent generated by the photovoltaic cells.

[0003] The welding ribbon can be welded to the solar cell through photovoltaic string welding equipment. The photovoltaic string welding equipment is provided with a welding ribbon guide groove, which can be used to guide the welding ribbon to move to a predetermined position to match the photovoltaic solar cell. The photovoltaic string welding equipment can also include a welding ribbon ejector, which can contact the welding ribbon and apply voltage to the welding ribbon to enhance the welding effect.

[0004] Before soldering the ribbon, flux is attached to the ribbon to improve the welding quality. However, when the photovoltaic string soldering equipment works for a long time, the flux on the ribbon is likely to remain on the ribbon guide groove or the ribbon ejector pin, causing flux crystallization on the ribbon guide groove or the ribbon ejector pin. Therefore, the photovoltaic string soldering equipment is regularly cleaned and maintained, but the existing cleaning method is time-consuming and affects the overall output efficiency. Utility Model Content

[0005] An embodiment of the present application provides a cleaning device for photovoltaic string welding equipment to solve or alleviate one or more technical problems in the prior art.

[0006] As one aspect of an embodiment of the present application, an embodiment of the present application provides a cleaning device for photovoltaic string welding equipment, comprising:

[0007] A lateral movement guide member is provided with a lateral movement guide rail;

[0008] A vertical movable guide member, slidably arranged on the horizontal movable guide rail;

[0009] A cleaning component is slidably disposed on the vertical movable guide, and the cleaning component can move closer to or away from the surface of the photovoltaic string welding device along the vertical movable guide;

[0010] Wherein, when the cleaning component moves a preset distance along the vertical movable guide toward the photovoltaic string welding equipment, the vertical movable guide slides along the transverse movable guide rail to drive the cleaning component to clean the surface of the photovoltaic string welding equipment.

[0011] Optionally, the lateral movement guide member includes a first lateral movement guide member and a second lateral movement guide member that are spaced apart, and each of the first lateral movement guide member and the second lateral movement guide member is provided with a lateral movement guide rail;

[0012] The vertical movement guide member includes a first vertical movement guide bar, a second vertical movement guide bar, and a connecting plate;

[0013] Wherein, the first vertical moving guide bar is slidably arranged on a lateral moving guide rail on the first lateral moving guide member;

[0014] The second vertical movement guide bar is slidably arranged on a lateral movement guide rail on the second lateral movement guide member;

[0015] The connecting plate is connected between the first vertical movement guide bar and the second vertical movement guide bar, and can move vertically along the first vertical movement guide bar and the second vertical movement guide bar.

[0016] Optionally, the cleaning assembly includes a first cleaning assembly, and the first cleaning assembly is fixed to the connecting plate.

[0017] Optionally, the connecting plate is provided with a positioning hole for the first vertical moving guide bar and / or the second vertical moving guide bar;

[0018] The first cleaning assembly further includes a positioning member, which is used to tighten or loosen along the positioning hole so that the connecting plate stays at a predetermined position.

[0019] Optionally, the first cleaning assembly includes one or more cleaning feeler gauges, wherein the cleaning feeler gauges include a fixing portion and a feeler portion;

[0020] The fixing portion is fixed to the connecting plate, the feeler portion is located on a side of the fixing portion facing the photovoltaic string welding device, and the shape of the feeler portion matches the shape of the welding ribbon guide groove on the surface of the photovoltaic string welding device.

[0021] Optionally, the material of the feeler gauge portion includes flexible metal.

[0022] Optionally, the connecting plate is provided with a first strip-shaped coordination hole;

[0023] The fixing portion is provided with a second coordination hole, and the first cleaning assembly further includes fixing pieces corresponding to the number of the cleaning feeler gauges, and the fixing pieces are used to pass through the first coordination hole and the second coordination hole to detachably fix the cleaning feeler gauge to the connecting plate.

[0024] Optionally, the cleaning assembly also includes a second cleaning assembly, which is located on the side of the first vertical moving guide bar and the second vertical moving guide bar away from the connecting plate, and the second cleaning assembly spans between the first vertical moving guide bar and the second vertical moving guide bar, and can move vertically along the first vertical moving guide bar and the second vertical moving guide bar.

[0025] Optionally, the second cleaning component includes a brush for cleaning the soldering ribbon ejector pins on the surface of the photovoltaic string soldering equipment.

[0026] Optionally, the cleaning assembly further includes a connecting line, two ends of which are respectively connected to the connecting plate and the second cleaning assembly, and the connecting line passes through the top end of the first vertical moving guide bar or the second vertical moving guide bar.

[0027] In an embodiment of the present application, when it is necessary to clean the surface of a photovoltaic string soldering device, the cleaning device can be placed on the photovoltaic string soldering device, and the cleaning component can be pushed downward along the vertical movable guide a preset distance. When the cleaning component contacts the surface of the photovoltaic string soldering device, the vertical movable guide is pushed to slide along the horizontal movable guide rail to drive the cleaning component to move horizontally to clean the surface of the photovoltaic string soldering device. By using the cleaning device of the embodiment of the present application to clean the surface of the photovoltaic string soldering device, the cleaning time of the photovoltaic string soldering device is shortened, thereby improving the overall output efficiency.

[0028] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present application will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar components or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in this application and should not be construed as limiting the scope of this application.

[0030] Figure 1 A schematic structural diagram of a cleaning device according to an embodiment of the present application;

[0031] Figure 2 This is another schematic structural diagram of the cleaning device according to an embodiment of the present application;

[0032] Figure 3 This is a schematic structural diagram of a connecting plate in a cleaning device according to an embodiment of the present application;

[0033] Figure 4 This is a schematic structural diagram of a cleaning feeler gauge in a cleaning device according to an embodiment of the present application;

[0034] Figure 5 This is another structural schematic diagram of the cleaning device according to an embodiment of the present application.

[0035] Description of reference numerals:

[0036] First lateral movement guide 11; second lateral movement guide 12; first vertical movement guide bar 21; second vertical movement guide bar 22; connecting plate 25; positioning hole 251; first matching hole 253; first cleaning assembly 31; second cleaning assembly 32; connecting line 35; fixing portion 311; second matching hole 315; feeler gauge portion 313. DETAILED DESCRIPTION

[0037] Embodiments of the present application are described in detail below, with examples of the embodiments illustrated in the accompanying drawings. In the accompanying drawings, the sizes of layers, regions, and components, as well as their relative sizes, may be exaggerated for clarity. Throughout, the same or similar reference numerals represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are illustrative and intended only to explain the present application, and are not to be construed as limiting the present application.

[0038] It should be understood that when an element or layer is referred to as being "on," "adjacent to," "connected to," or "coupled to" another element or layer, it can be directly on, adjacent to, connected to, or coupled to the other element or layer, or there can be intervening elements or layers. Conversely, when an element is referred to as being "directly on," "directly adjacent to," "directly connected to," or "directly coupled to" another element or layer, there are no intervening elements or layers. It should be understood that although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers, and / or parts, these elements, components, regions, layers, and / or parts should not be limited by these terms. These terms are merely used to distinguish one element, component, region, layer, or part from another. Therefore, without departing from the teachings of the present disclosure, the first element, component, region, layer, or part discussed below may be represented as the second element, component, region, layer, or part. And when the second element, component, region, layer, or part is discussed, it does not necessarily mean that the first element, component, region, layer, or part is present in the present disclosure.

[0039] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0040] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable where appropriate, so that the embodiments of the application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0041] See also Figures 1 to 4 The present invention provides a cleaning device for photovoltaic string welding equipment, which includes a lateral moving guide, a vertical moving guide, and a cleaning assembly. The following is a detailed description:

[0042] The lateral movement guide member is provided with a lateral movement guide rail which can be a strip groove.

[0043] The vertical moving guide piece is slidably arranged on the transverse moving guide rail, and the vertical moving guide piece can move transversely along the transverse moving guide rail.

[0044] In one embodiment, a pulley or roller can be set on the side of the vertical moving guide member facing the horizontal moving guide rail, or appropriate lubrication can be used in the horizontal moving guide rail to reduce friction and wear and increase the service life of the horizontal moving guide member and the vertical moving guide member.

[0045] The cleaning component is slidably arranged on the vertical movable guide member, and the cleaning component can move along the vertical movable guide member to approach or move away from the surface of the photovoltaic string welding equipment.

[0046] In this embodiment, when it is necessary to clean the surface of the photovoltaic string soldering equipment, the cleaning device can be placed on the photovoltaic string soldering equipment, and then the cleaning component can be pushed downward along the vertical movable guide to move a preset distance. When the cleaning component contacts the surface of the photovoltaic string soldering equipment, the vertical movable guide is pushed to slide along the horizontal movable guide rail to drive the cleaning component to move horizontally to clean the surface of the photovoltaic string soldering equipment. By using the cleaning device of the embodiment of the present application to clean the surface of the photovoltaic string soldering equipment, the cleaning time of the photovoltaic string soldering equipment is shortened, and the overall output efficiency is improved.

[0047] In one embodiment, the cleaning device may further include a support assembly (not shown in the figure), which is used to provide support for the laterally movable guide member so that the laterally movable guide member has a certain distance from the surface of the photovoltaic string welding device, thereby reserving space for the cleaning assembly to move closer to or away from the photovoltaic string welding device.

[0048] In this embodiment, the lateral movement guide includes a first lateral movement guide 11 and a second lateral movement guide 12, each of which is provided with a lateral movement guide rail. The vertical movement guide includes a first vertical movement guide bar 21, a second vertical movement guide bar 22, and a connecting plate 25.

[0049] The first vertical moving guide bar 21 is slidably disposed on the lateral moving guide rail on the first lateral moving guide member 11 . The second vertical moving guide bar 22 is slidably disposed on the lateral moving guide rail on the second lateral moving guide member 12 .

[0050] The connecting plate 25 is connected between the first vertical moving guide bar 21 and the second vertical moving guide bar 22 and can move vertically along the first vertical moving guide bar 21 and the second vertical moving guide bar 22 .

[0051] Specifically, a slide groove can be provided on both the first vertical movement guide bar 21 and the second vertical movement guide bar 22, and sliding portions corresponding to the slide grooves can be provided at both ends of the connecting plate 25. The sliding portions are accommodated in the slide grooves and can move along the length of the slide grooves. In other embodiments, the connecting plate 25 can also be slidably provided on the first vertical movement guide bar 21 and the second vertical movement guide bar 22 in other ways.

[0052] The stability of the cleaning device can be improved by providing two spaced lateral guides. The connecting plate 25 connects the two vertically movable guides, making it more stable and accurate during vertical movement.

[0053] Furthermore, in this embodiment, the cleaning assembly includes a first cleaning assembly 31 , and the first cleaning assembly 31 is fixed to the connecting plate 25 .

[0054] The connecting plate 25 can move along the first vertical movable guide bar 21 and the second vertical movable guide bar 22. The first vertical movable guide bar 21 and the second vertical movable guide bar 22 drive the connecting plate 25 to move horizontally to achieve biaxial movement, so that the connecting plate 25 can move within a larger range to drive the first cleaning component 31 to achieve corresponding movement, which is convenient for cleaning photovoltaic string welding equipment and has good adaptability.

[0055] Furthermore, the connecting plate 25 is provided with a positioning hole 251 for the first vertical moving guide bar 21 and / or the second vertical moving guide bar 22 .

[0056] The first cleaning assembly 31 further includes a positioning member (not shown), which is used to tighten or loosen along the positioning hole 251 so that the connecting plate 25 stays at a predetermined position.

[0057] For example, Figure 3As shown, after the first cleaning assembly 31 moves downward a preset distance to contact the surface of the photovoltaic string soldering equipment, the connecting plate 25 can be positioned at this position by tightening the positioning member, ensuring that the height of the connecting plate 25 from the photovoltaic string soldering equipment is temporarily fixed. This prevents the first cleaning assembly 31 from moving up and down during the lateral cleaning process, resulting in poor cleaning results. Moreover, when the connecting plate 25 is fixed in the predetermined position, the first cleaning assembly 31 can clean the photovoltaic string soldering equipment with consistent pressure and angle, thereby ensuring the consistency and quality of the cleaning effect. After the first cleaning assembly 31 completes cleaning, the positioning member can be loosened.

[0058] Specifically, in this embodiment, the first cleaning assembly 31 includes one or more cleaning feeler gauges, and the cleaning feeler gauge includes a fixing portion 311 and a feeler portion 313 .

[0059] The fixing portion 311 is fixed to the connecting plate 25 , and the feeler portion 313 is located on the side of the fixing portion 311 facing the photovoltaic string welding device. The shape of the feeler portion 313 matches the shape of the welding ribbon guide groove on the surface of the photovoltaic string welding device.

[0060] For example, when the first cleaning assembly 31 includes multiple cleaning feeler gauges, the multiple feeler gauge portions 313 of the multiple cleaning feeler gauges can respectively clean a corresponding solder ribbon guide groove, thereby simultaneously cleaning flux crystals in multiple solder ribbon guide grooves, thereby improving cleaning efficiency.

[0061] In addition, since the feeler gauge portion 313 matches the shape of the guide groove, the feeler gauge portion 313 can avoid damage to the welding strip guide groove and its surrounding surfaces during the cleaning process, reduce unnecessary wear or scratches, and thus extend the service life of the photovoltaic string welding equipment.

[0062] In one embodiment, the feeler portion 313 may be made of a flexible metal. Flexible metal materials have a certain degree of elasticity and flexibility, which can reduce scratches and damage to the ribbon guide groove and surrounding surfaces during cleaning, thereby protecting the surface of the photovoltaic string soldering equipment. Furthermore, the feeler portion 313 made of flexible metal can better adapt to the complex shape and minor surface irregularities of the ribbon guide groove, thereby achieving more comprehensive and in-depth cleaning.

[0063] Specifically, the flexible metal may be stainless steel, copper alloy, aluminum alloy, or the like.

[0064] Preferably, the thickness of the cleaning feeler gauge may be 0.8 mm to 1.5 mm, providing sufficient rigidity to ensure that the cleaning feeler gauge does not bend easily during movement, while maintaining a certain degree of flexibility to adapt to slight unevenness and deformation of the welding ribbon guide groove.

[0065] In one embodiment, if Figure 4As shown, the connecting plate 25 is provided with a first strip-shaped positioning hole 253. The fixing portion 311 is provided with a second positioning hole 315. The first cleaning assembly 31 also includes a number of fixing members (not shown) corresponding to the number of cleaning feeler gauges. The fixing members are used to pass through the first positioning hole 253 and the second positioning hole 315 to removably fix the cleaning feeler gauges to the connecting plate 25.

[0066] The strip-shaped first positioning hole 253 allows the fixing member to move within the strip-shaped first positioning hole 253, thus flexibly adjusting the position of the cleaning feeler gauge. This allows the cleaning feeler gauge to be precisely adjusted to the position of the different ribbon guide slots to accommodate different equipment and cleaning requirements. Furthermore, when multiple cleaning feeler gauges are used, individual ones can be installed or replaced, simplifying maintenance.

[0067] There can be two first strip-shaped holes 253 and two second holes 315 on the fixing portion 311, so that one fixing member can be fixed through one first hole 253 and one second hole 315. The two fixing members can improve the fixing stability of the cleaning feeler gauge.

[0068] In one embodiment, the cleaning assembly also includes a second cleaning assembly, which is located on the side of the first vertical moving guide bar 21 and the second vertical moving guide bar 22 away from the connecting plate 25. The second cleaning assembly spans between the first vertical moving guide bar 21 and the second vertical moving guide bar 22 and can move along the first vertical moving guide bar 21 and the second vertical moving guide bar 22.

[0069] The first cleaning component 31 and the second cleaning component are respectively arranged on both sides of the first vertical moving guide bar 21 and the second vertical moving guide bar 22. The first cleaning component 31 and / or the second cleaning component can be configured and adjusted according to needs to flexibly select and use any one or two of the cleaning components.

[0070] Exemplarily, when the second cleaning component is a brush, the first cleaning component 31 and the second cleaning component can be used simultaneously, that is, when the first cleaning component 31 and the second cleaning component are lowered at the same time and contact the surface of the photovoltaic string welding equipment, the first cleaning component 31 and the second cleaning component can be moved laterally at the same time, so that after the first cleaning component 31 (cleaning feeler gauge) scrapes off the flux crystals in the solder ribbon guide groove, the second cleaning component then sweeps over to remove smaller flux crystal residues or particles in the solder ribbon guide groove to improve the cleaning effect.

[0071] After the solder ribbon is initially positioned in the solder ribbon guide, it can be moved to the top of the solder ribbon ejector pins, where they are supported for subsequent soldering steps (such as applying voltage to the ribbon via the pins to enhance soldering). The solder ribbon supported by the ejector pins is susceptible to flux adhesion during soldering. In one embodiment, the second cleaning component includes a brush. The brush is relatively soft and is less likely to scratch or damage the surface of the solder ribbon ejector pins during cleaning, thereby ensuring that the surface quality and conductive properties of the solder ribbon ejector pins are not affected.

[0072] In one embodiment, if Figure 5 As shown, the cleaning assembly further includes a connecting line 35 , the two ends of which are respectively connected to the connecting plate 25 and the second cleaning assembly 32 , and the connecting line 35 passes through the top end of the first vertical moving guide bar 21 or the top end of the second vertical moving guide bar 22 .

[0073] Specifically, there may be two connecting lines 35 , one connecting the top of the first vertical moving guide bar 21 and one end of the connecting plate 25 , and the other connecting the top of the second vertical moving guide bar 22 and the other end of the connecting plate 25 .

[0074] When cleaning the ribbon guide groove, the connecting plate 25 can be moved downward to drive the first cleaning assembly 31 downward toward the surface of the photovoltaic string soldering equipment. Since the two ends of the connecting wire 35 are respectively connected to the connecting plate 25 and the second cleaning assembly 32, when the first cleaning assembly 31 moves downward, the connecting wire 35 will lift the second cleaning assembly 32 upward, so that the second cleaning assembly 32 moves upward relative to the first cleaning assembly 32, thereby preventing the second cleaning assembly 32 from interfering with the cleaning process when cleaning the ribbon guide groove. Similarly, when cleaning the ribbon ejector pins, the second cleaning assembly 32 can be moved downward to lift the first cleaning assembly 31 upward, thereby preventing the first cleaning assembly 31 from interfering with the cleaning process or scratching the ribbon ejector pins.

[0075] It should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present application. The directional terms "inside" and "outside" refer to the inside and outside relative to the outline of the component itself. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "on top of other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Therefore, the exemplary term "above..." can include both "above..." and "below..." orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here will be interpreted accordingly.

[0076] It should also be noted that references to "one embodiment," "another embodiment," "an embodiment," etc., in this application refer to specific features, structures, or characteristics described in conjunction with that embodiment as included in at least one embodiment generally described in this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in conjunction with any embodiment, it is intended that such feature, structure, or characteristic, when implemented in conjunction with other embodiments, also fall within the scope of this application.

[0077] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0078] It should also be noted that the above are only preferred embodiments of the present application and do not limit the scope of patent protection of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the scope of patent protection of the present application.

Claims

1. A cleaning device for photovoltaic string welding equipment, characterized in that: include: A lateral movement guide member is provided with a lateral movement guide rail; A vertical movable guide member, slidably arranged on the horizontal movable guide rail; A cleaning component is slidably disposed on the vertical movable guide, and the cleaning component can move closer to or away from the surface of the photovoltaic string welding device along the vertical movable guide; Wherein, when the cleaning component moves a preset distance along the vertical movable guide toward the photovoltaic string welding equipment, the vertical movable guide slides along the transverse movable guide rail to drive the cleaning component to clean the surface of the photovoltaic string welding equipment.

2. The cleaning device according to claim 1, characterized in that The transverse movement guide comprises a first transverse movement guide and a second transverse movement guide arranged at intervals, wherein the first transverse movement guide and the second transverse movement guide are each provided with a transverse movement guide rail; The vertical movement guide member includes a first vertical movement guide bar, a second vertical movement guide bar, and a connecting plate; Wherein, the first vertical moving guide bar is slidably arranged on a lateral moving guide rail on the first lateral moving guide member; The second vertical movement guide bar is slidably arranged on a lateral movement guide rail on the second lateral movement guide member; The connecting plate is connected between the first vertical movement guide bar and the second vertical movement guide bar, and can move vertically along the first vertical movement guide bar and the second vertical movement guide bar.

3. The cleaning device according to claim 2, characterized in that The cleaning assembly includes a first cleaning assembly, and the first cleaning assembly is fixed to the connecting plate.

4. The cleaning device according to claim 3, characterized in that The connecting plate is provided with positioning holes for the first vertical moving guide bar and / or the second vertical moving guide bar; The first cleaning assembly further includes a positioning member, which is used to tighten or loosen along the positioning hole so that the connecting plate stays at a predetermined position.

5. The cleaning device according to claim 3, characterized in that The first cleaning assembly includes one or more cleaning feeler gauges, each of which includes a fixing portion and a feeler portion; The fixing portion is fixed to the connecting plate, the feeler portion is located on a side of the fixing portion facing the photovoltaic string welding device, and the shape of the feeler portion matches the shape of the welding ribbon guide groove on the surface of the photovoltaic string welding device.

6. The cleaning device according to claim 5, characterized in that The material of the feeler gauge portion includes flexible metal.

7. The cleaning device according to claim 5, characterized in that The connecting plate is provided with a first strip-shaped coordination hole; The fixing portion is provided with a second coordination hole, and the first cleaning assembly further includes fixing pieces corresponding to the number of the cleaning feeler gauges, and the fixing pieces are used to pass through the first coordination hole and the second coordination hole to detachably fix the cleaning feeler gauge to the connecting plate.

8. The cleaning device according to claim 2, characterized in that The cleaning assembly also includes a second cleaning assembly, which is located on the side of the first vertical moving guide bar and the second vertical moving guide bar away from the connecting plate. The second cleaning assembly spans between the first vertical moving guide bar and the second vertical moving guide bar and can move vertically along the first vertical moving guide bar and the second vertical moving guide bar.

9. The cleaning device according to claim 8, characterized in that The second cleaning component includes a brush for cleaning the soldering ribbon ejector pins on the surface of the photovoltaic string soldering equipment.

10. The cleaning device according to claim 8, characterized in that The cleaning assembly further includes a connecting line, two ends of which are respectively connected to the connecting plate and the second cleaning assembly, and the connecting line passes through the top end of the first vertical moving guide bar or the second vertical moving guide bar.

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