Charging device and photovoltaic cleaning robot

Abstract

The utility model provides a charging device and a photovoltaic cleaning robot. The charging device comprises a rack, a crawler belt assembly and a charging assembly. The crawler belt assembly is arranged on one side of the rack; the crawler belt assembly comprises a plurality of first crawler wheels and a crawler belt; the plurality of first crawler wheels are rotationally connected to the rack respectively; the crawler belt is located on the peripheral side of the first crawler wheels and annularly arranged on the first crawler wheels in a sleeving mode. A containing space is formed between the crawler belt assembly and the bottom of the rack. The charging assembly is located in the accommodating space; the charging assembly comprises a mounting seat and a charging module; the mounting seat is mounted at the bottom of the rack and covers the charging module, and the charging module is used for wirelessly charging with a charging station of the photovoltaic cleaning robot, so that the charging device realizes bottom wireless charging through the charging module, charging through a cable is avoided, the charging convenience of the charging device is improved, and meanwhile, the charging efficiency is improved. The charging module makes full use of the accommodating space.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of photovoltaic cleaning robot, especially to a charging device and photovoltaic cleaning robot. BACKGROUND

[0002] With the development of science and technology, photovoltaic components are gradually applied to the field of electric power, and the main function of photovoltaic components is to convert solar energy into electric energy for people to use in the fields of life, industry and business, and photovoltaic panels are a kind of photovoltaic components; photovoltaic cleaning robots are used for cleaning photovoltaic components, and in the prior art, the existing photovoltaic cleaning robots are connected with external power supply through cables to realize charging of the photovoltaic cleaning robots by the external power supply through the cables, but the cable charging is relatively troublesome, resulting in poor charging convenience of the existing photovoltaic cleaning robots. UTILITY MODEL CONTENT

[0003] The utility model discloses a charging device and photovoltaic cleaning robot, and the track assembly is arranged on one side of the rack, the track assembly includes a plurality of first track wheels and a track, the plurality of first track wheels are rotatably connected to the rack respectively, the track is on the outer circumferential side of the plurality of first track wheels and is annularly sleeved on the plurality of first track wheels, a containing space is formed between the track assembly and the bottom of the rack, the charging assembly is in the containing space, the charging assembly includes a mounting seat and a charging module, the mounting seat is installed on the bottom of the rack and covers the charging module, and the charging module is used for wireless charging with the charging station of the photovoltaic cleaning robot, so that the charging device realizes bottom wireless charging through the charging module, avoids charging through the cable, improves the charging convenience of the charging device, and meanwhile, the charging module fully utilizes the containing space.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A charging device is applied to a photovoltaic cleaning robot, and the charging device comprises:

[0006] A rack;

[0007] A track assembly is arranged on one side of the rack, and the track assembly comprises a plurality of first track wheels and a track, the plurality of first track wheels are rotatably connected to the rack respectively, the track is on the outer circumferential side of the plurality of first track wheels and is annularly sleeved on the plurality of first track wheels, and a containing space is formed between the track assembly and the bottom of the rack.

[0008] A charging assembly is in the containing space, and the charging assembly comprises a mounting seat and a charging module; the mounting seat is installed on the bottom of the rack and covers the charging module, and the charging module is used for wireless charging with the charging station of the photovoltaic cleaning robot.

[0009] Optionally, the charging module is a wireless charging module, and the charging module is arranged below the rack.

[0010] Optionally, a sealed space is formed between the mounting seat and the bottom of the rack, the charging module is in the sealed space, and the charging module performs wireless charging with the charging station of the photovoltaic cleaning robot.

[0011] Optionally, the charging module is connected to the mounting seat.

[0012] Optionally, the charging module is glued to the mounting seat.

[0013] Optionally, the charging module is connected to the mounting seat by screws.

[0014] Optionally, the charging module is clamped to the mounting seat.

[0015] Optionally, the rack is provided with a through hole.

[0016] The mounting seat passes through the through hole and is detachably mounted on the rack, and the outer side wall of the mounting seat is attached to the inner side wall of the through hole.

[0017] Optionally, the mounting seat comprises a first body and a boss, the boss is annularly arranged on the top of the first body and extends around.

[0018] The boss is detachably mounted on the rack.

[0019] Optionally, the first body is connected to the boss and passes through the through hole.

[0020] The outer side wall of the first body is attached to the inner side wall of the through hole, and the first body is gap-fitted with the through hole.

[0021] Optionally, the first body is arranged in a square box and accommodates the charging module.

[0022] A photovoltaic cleaning robot comprises the charging device.

[0023] Compared with the prior art, the photovoltaic cleaning robot has the advantages that:

[0024] The utility model provides a kind of charging device and photovoltaic cleaning robot, track assembly is arranged in the one side of rack;Track assembly includes multiple first track wheels, track;Multiple first track wheels are rotatably connected in rack respectively;Track is at the outer circumferential side of multiple first track wheels, and annularly sets up in multiple first track wheels;Accommodating space is formed between track assembly and the bottom of rack;Charging component is in accommodating space;Charging component includes mounting seat and charging module;Mounting seat is installed in the bottom of rack, and cover charging module, charging module is used to carry out wireless charging with the charging station of photovoltaic cleaning robot, to facilitate that charging device realizes bottom wireless charging by charging module, avoid charging by cable, improve the charging convenience of charging device, meanwhile, charging module makes full use of accommodating space. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] In order to more completely understand the present application and its beneficial effects, the following will be described with reference to the drawings. In the following description, the same reference numbers represent the same parts.

[0027] Figure 1 A schematic diagram of the charging device according to an embodiment of the present application is shown.

[0028] Figure 2 An exploded view of the charging device according to an embodiment of the present application is shown.

[0029] Figure 3 A sectional view of the charging device according to an embodiment of the present application is shown.

[0030] Figure 4 A schematic diagram of the connection between the track and the support frame of the charging device according to an embodiment of the present application is shown. Figure 3 A partial enlarged view of position A in FIG.

[0031] Figure 5 A schematic diagram of the track of the charging device according to an embodiment of the present application is shown.

[0032] Figure 6 A schematic diagram of the first track wheel of the charging device according to an embodiment of the present application is shown.

[0033] Figure 7 A schematic diagram of the first track wheel of the charging device according to an embodiment of the present application is shown.

[0034] Figure 8A schematic view of a charging assembly of a charging device according to an embodiment of the present application is shown.

[0035] Figure 9 A schematic view of a mounting base of a charging device according to an embodiment of the present application is shown.

[0036] Reference signs

[0037] 100, charging device;

[0038] 10, rack; 10a, containing space; 10b, through hole;

[0039] 20, track assembly; 21, first track wheel; 211, first gear part 211; 21a, groove; 212, power assembly; 2121, power motor; 2122, first transmission module; 2123, rotating shaft; 22, track; 221, first inner gear part; 222, positioning part; 23, support frame; 24, multiple second track wheels;

[0040] 30, charging assembly; 31, mounting base; 31a, sealed space; 311, first main body; 312, boss; 32, charging module. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person skilled in the art without creative work fall within the scope of protection of the present application.

[0042] Reference will be made to the drawings in the embodiments of the present application. Figures 1-2 The embodiments of the present application provide a charging device 100, which is applied to a photovoltaic cleaning robot and is used for wirelessly charging the photovoltaic cleaning robot.

[0043] Reference will be made to the drawings in the embodiments of the present application. Figures 1-4In the embodiment of the present application, the charging device 100 comprises a rack 10, a track assembly 20 and a charging assembly 30; the track assembly 20 is arranged on the outer side of the rack 10, and the charging assembly 30 is arranged on the inner side of the rack 10; the track assembly 20 comprises a plurality of first track wheels 21 and a track 22; the plurality of first track wheels 21 are respectively rotatably connected to the rack 10; the track 22 is on the outer circumferential side of the plurality of first track wheels 21 and annularly covers the plurality of first track wheels 21; a containing space 10a is formed between the track assembly 20 and the bottom of the rack 10; the charging assembly 30 is in the containing space 10a; the charging assembly 30 comprises a mounting seat 31 and a charging module 32; the mounting seat 31 is mounted on the bottom of the rack 10 and covers the charging module 32; the charging module 32 is used for wireless charging with a charging station of a photovoltaic cleaning robot, so that the charging device 100 realizes bottom wireless charging through the charging module 32, avoids charging through a cable, improves the charging convenience of the charging device 100, and at the same time, the charging module 32 fully utilizes the containing space 10a.

[0044] Please refer to the accompanying drawings Figures 1-2 In the embodiment of the present application, the rack 10 is used as a supporting component of the charging device 100, and the rack 10 is used for supporting the track assembly 20 and the charging assembly 30.

[0045] Please refer to the accompanying drawings Figures 1-2 and 5-7, in the embodiment of the present application, the track assembly 20 is arranged on the outer side of the rack 10; the track assembly 20 comprises a plurality of first track wheels 21 and a track 22; the plurality of first track wheels 21 are respectively rotatably connected to the rack 10, so as to adjust the position of the plurality of first track wheels 21 relative to the rack 10; the track 22 is on the outer circumferential side of the plurality of first track wheels 21 and annularly covers the plurality of first track wheels 21, so as to rotate the track 22 with the rotation of the plurality of first track wheels 21, thereby facilitating the track 22 to be able to roll relative to the ground, so as to realize that the charging device 100 can move relative to the ground; the containing space 10a is formed between the track assembly 20 and the bottom of the rack 10, and the containing space 10a is used for containing the charging assembly 30.

[0046] Please refer to the accompanying drawings Figures 5-7The track 22 is provided with a first inner tooth portion 221 and a positioning portion 222. The positioning portion 222 is arranged adjacent to the first inner tooth portion 221. The plurality of first track wheels 21 meshes with the first inner tooth portion 221, so that the track 22 is engaged with the plurality of first track wheels 21 through the first inner tooth portion 221, thereby facilitating the track 22 to be fixed to the plurality of first track wheels 21 through engagement, so as to realize the track 22 to travel relative to the surface of the photovoltaic module. The plurality of first track wheels 21 is positioned and connected with the positioning portion 222, so as to limit the deviation of the track 22, thereby preventing the track 22 from deviating during travel, ensuring the engagement effect of the plurality of first track wheels 21 and the first inner tooth portion 221, and improving the movement stability of the charging device 100. Optionally, the first inner tooth portion 221 is an internal gear.

[0047] Please refer to the accompanying drawings Figures 5-7 The positioning portion 222 and the first inner tooth portion 221 are arranged in sequence along the width direction of the track 22, and the positioning portion 222 extends along the length direction of the track 22. The first track wheel 21 is provided with a first gear portion 211 and a groove 21a. The first gear portion 211 meshes with the first inner tooth portion 221, so that the track 22 is engaged and connected with the first track wheel 21 through the first gear portion 211 and the first inner tooth portion 221. The groove 21a is provided for the positioning portion 222 to pass through. The groove 21a is annularly arranged on the first track wheel 21, so that the positioning portion 222 is positioned and connected with the first track wheel 21 through the groove 21a, thereby limiting the deviation of the track 22, preventing the track 22 from deviating during travel, ensuring the engagement effect of the plurality of first track wheels 21 and the first inner tooth portion 221, and improving the movement stability of the charging device 100. Optionally, the first gear portion 211 is an external gear.

[0048] Please refer to the accompanying drawings Figures 5-7 The groove 21a and the positioning portion 222 are in clearance fit. Alternatively, the inner side wall of the groove 21a can contact the side wall of the positioning portion 222, and the inner contour of the groove 21a is matched with the outer contour of the positioning portion 222, so that the positioning portion 222 passes through the groove 21a, and the positioning portion 222 is positioned and connected with the first track wheel 21 through the groove 21a, thereby limiting the deviation of the track 22, preventing the track 22 from deviating during travel, ensuring the engagement effect of the plurality of first track wheels 21 and the first inner tooth portion 221, and improving the movement stability of the charging device 100.

[0049] Please refer to the accompanying drawings Figures 5-7 There is a height difference between the surface of the positioning portion 222 and the first inner tooth portion 221, so that the top of the positioning portion 222 is higher than the top of the first inner tooth portion 221, thereby facilitating the positioning portion 222 to pass through the groove 21a.

[0050] Please refer to the accompanying drawings Figures 5-7The first gear part 211 has two, and the two first inner tooth parts 221 form a groove 21a therebetween; the positioning part 222 is in the groove 21a; the positioning part 222 is inserted into the groove 21a and is limited by the inner side wall of the groove 21a to limit the deviation of the positioning part 222, thereby facilitating the limitation of the deviation of the track 22, and further facilitating the prevention of the deviation of the track 22 during the driving process.

[0051] Please refer to the accompanying drawings Figures 5-7 The track assembly 20 comprises a support frame 23 and a plurality of second track wheels 24; the support frame 23 is connected to the frame 10 so as to fix the support frame 23 to the frame 10; the plurality of second track wheels 24 are rotatably connected to the support frame 23 so as to adjust the position of the plurality of second track wheels 24 relative to the support frame 23; the plurality of second track wheels 24 engage the first inner tooth part 221 so as to realize the connection of the plurality of second track wheels 24 with the track 22 through the first inner tooth part 221, thereby facilitating the increase of the rolling smoothness of the track 22 relative to the photovoltaic assembly by arranging the plurality of second track wheels 24, and improving the moving smoothness of the charging device 100.

[0052] Please refer to the accompanying drawings Figures 5-7 The plurality of second track wheels 24 are arranged at intervals along the length direction of the frame 10 and are between two adjacent first track wheels 21; the plurality of second track wheels 24 are at the same height, thereby facilitating the increase of the contact area of the track 22 relative to the surface of the photovoltaic assembly, and further facilitating the improvement of the grip of the charging device 100.

[0053] Please refer to the accompanying drawings Figures 5-7 The diameter of the second track wheel 24 is smaller than the diameter of the first track wheel 21, thereby facilitating the cost saving of the charging device 100.

[0054] Please refer to the accompanying drawings Figures 5-7 The track assembly 20 has two, and the two track assemblies 20 are arranged on the two sides of the frame 10 and are connected to the frame 10; the arrangement of the two track assemblies 20 facilitates the balance of the frame 10, thereby facilitating the improvement of the moving stability of the charging device 100.

[0055] Please refer to the accompanying drawings Figure 7 A first track wheel 21 is connected with a power assembly 212, thereby facilitating the automatic rotation of the first track wheel 21 through the power assembly 212, and further facilitating the rotation of the remaining first track wheels 21, second track wheels 24 and track 22.

[0056] Please refer to the accompanying drawings Figure 7The power assembly 212 comprises a power motor 2121, a first transmission module 2122 and a rotating shaft 2123. The power motor 2121 and the first transmission module 2122 are accommodated in the rack 10. One end of the first transmission module 2122 is connected to the output end of the power motor 2121, so that the first transmission module 2122 rotates through the power motor 2121. The other end of the first transmission module 2122 is connected to the rotating shaft 2123, so that the first transmission module 2122 drives the rotating shaft 2123 to rotate. The rotating shaft 2123 is rotatably connected to the rack 10, so as to adjust the position of the rotating shaft 2123 relative to the rack 10. The rotating shaft 2123 is connected to the first track wheel 21, so as to drive the first track wheel 21 to rotate. The first track wheel 21 rotates relative to the rack 10 through the power motor 2121, the first transmission module 2122 and the rotating shaft 2123, so as to drive the remaining first track wheels 21, the second track wheels 24 and the track 22 to rotate, so as to realize the movement of the charging device 100. Optionally, the first transmission module 2122 is a gear transmission module or a synchronous transmission module, which is not limited here.

[0057] Please refer to the accompanying drawings Figures 1-4 In the embodiment of the present application, the charging assembly 30 is in the accommodation space 10a, so as to install the charging assembly 30 in the rack 10 through the accommodation space 10a. The charging assembly 30 comprises a mounting seat 31 and a charging module 32. The mounting seat 31 is installed at the bottom of the rack 10 and covers the charging module 32. The charging module 32 is used for wireless charging with the charging station of the photovoltaic cleaning robot, so as to realize the bottom wireless charging of the charging device 100 through the charging module 32, avoid charging through the cable, improve the charging convenience of the charging device 100, and at the same time, the charging module 32 fully utilizes the accommodation space 10a.

[0058] Please refer to the accompanying drawings Figures 1-4 In the embodiment of the present application, the charging module 32 is a wireless charging module. The charging module 32 is arranged below the rack 10, so as to expose the charging module 32 below the rack 10, so as to align the charging module 32 with the charging station of the photovoltaic cleaning robot, so as to realize the wireless charging of the charging module 32, avoid charging through the cable, improve the charging convenience of the charging device 100.

[0059] Please refer to the accompanying drawings Figures 1-4And 8-9, the mounting seat 31 and the bottom of the rack 10 form a sealed space 31a, the charging module 32 is in the sealed space 31a, so that the mounting seat 31 and the rack 10 wrap the charging module 32, prevent external dust, water into the charging module 32, to ensure the performance of the charging module 32, at the same time, the mounting seat 31 and the outer surface of the rack 10 protect the charging module 32, prevent the charging module 32 from being impacted by external debris, the charging module 32 and the charging station of the photovoltaic cleaning robot are wirelessly charged, so as to realize the bottom wireless charging of the charging device 100 through the charging module 32, avoid charging through the cable, improve the charging convenience of the charging device 100.

[0060] Please refer to the attached Figures 1-4 And 8-9, the charging module 32 is connected to the mounting seat 31, so that the charging module 32 is fixed to the mounting seat 31, so that the mounting seat 31 supports the charging module 32, ensures the distance of the charging module 32 relative to the ground, avoids the charging module 32 contacting the ground, and prevents the charging module 32 from rubbing with the ground.

[0061] The charging module 32 is glued to the mounting seat 31, so that the charging module 32 is connected to the mounting seat 31 by gluing, and the charging module 32 and the mounting seat 31 are provided with a glue layer, the two surfaces of the glue layer respectively contact the charging module 32 and the mounting seat 31, so that the charging module 32 is glued to the mounting seat 31 through the glue layer.

[0062] Alternatively, the charging module 32 is connected to the mounting seat 31 by screws, so that the charging module 32 is connected to the mounting seat 31 by screws, so that the charging module 32 can be fixed relative to the mounting seat 31, and the position accuracy of the charging module 32 relative to the mounting seat 31 is ensured.

[0063] Alternatively, the charging module 32 is clamped to the mounting seat 31, so that the charging module 32 is connected to the mounting seat 31 by clamping, the charging module 32 is provided with a first buckle, the mounting seat 31 is provided with a second buckle, the first buckle is clamped to the second buckle, so that the charging module 32 is connected to the mounting seat 31 by the first buckle and the second buckle, and the assembly convenience of the charging module 32 relative to the mounting seat 31 is improved.

[0064] Please refer to the attached Figures 1-4And 8~9, the rack 10 is provided with a through hole 10b; the through hole 10b is located at the bottom of the rack 10, and the mounting seat 31 passes through the through hole 10b, so that the mounting seat 31 enters the inside of the rack 10 through the hole 10b, and the mounting seat 31 is detachably installed on the rack 10, so that the mounting seat 31 can be connected or separated from the rack 10, when the mounting seat 31 is separated from the rack 10, so that the charging module 32 is maintained or replaced, the replacement convenience of the charging module 32 is improved, when the mounting seat 31 is connected to the rack 10, so that the charging module 32 is wirelessly charged with the charging station of the photovoltaic cleaning robot, so that the charging device 100 realizes bottom wireless charging through the charging module 32, avoids charging through the cable, and improves the charging convenience of the charging device 100; the outer side wall of the mounting seat 31 is attached to the inner side wall of the through hole 10b, so that the inner side wall of the through hole 10b abuts against the mounting seat 31, thereby limiting the position of the mounting seat 31.

[0065] Please refer to the accompanying drawings Figures 1-4 And 8~9, the mounting seat 31 comprises a first body 311 and a boss 312, the boss 312 is annularly arranged at the top of the first body 311 and extends around, so that the boss 312 is located around the first body 311; the boss 312 is detachably installed on the rack 10, so that the boss 312 can be connected or separated from the rack 10, thereby the mounting seat 31 is detachably connected with the rack 10 through the boss 312.

[0066] Please refer to the accompanying drawings Figures 1-4 And 8~9, the first body 311 is connected with the boss 312, so that the first body 311 is fixed to the boss 312 and passes through the through hole 10b, so that part of the first body 311 is located in the inside of the rack 10; the outer side wall of the first body 311 is attached to the inner side wall of the through hole 10b, and the first body 311 is gap-fitted with the through hole 10b, so that the first body 311 can pass through or separate from the through hole 10b.

[0067] Please refer to the accompanying drawings Figures 1-4 And 8~9, the first body 311 is arranged in a square box and accommodates the charging module 32, so that the inner contour of the first body 311 is matched with the outer contour of the charging module 32, thereby the rack 10 and the first body 311 seal the charging module 32.

[0068] In another embodiment, a photovoltaic cleaning robot comprises a charging device 100, the charging device 100 is part of the photovoltaic cleaning robot, and the photovoltaic cleaning robot is used for cleaning photovoltaic components.

[0069] Compared with the prior art, the utility model has the advantages that:

[0070] The utility model provides a kind of charging device 100 and photovoltaic cleaning robot, track assembly 20 is set to the one side of rack 10;Track assembly 20 includes multiple first track wheels 21, track 22;Multiple first track wheels 21 are rotatably connected to rack 10 respectively;Track 22 is at the outer circumferential side of multiple first track wheels 21, and annularly sets in multiple first track wheels 21;Track assembly 20 and the bottom of rack 10 form accommodating space 10a;Charging assembly 30 is in accommodating space 10a;Charging assembly 30 includes mounting seat 31 and charging module 32;Mounting seat 31 is installed to the bottom of rack 10, and cover charging module 32, charging module 32 is used to carry out wireless charging with the charging station of photovoltaic cleaning robot, to facilitate that charging device 100 realizes bottom wireless charging by charging module 32, avoid charging by cable, improve the charging convenience of charging device 100, simultaneously, charging module 32 makes full use of accommodating space 10a.

[0071] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0072] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features.

[0073] The principles and implementation modes of the present application are described by applying specific examples in this paper, and the above embodiment description is only used to help understand the method and its core idea of the present application; At the same time, according to the idea of the present application, the specific implementation mode and application range will be changed by the person skilled in the art, and the above description should not be understood as the limitation of the present application.

Claims

1. A charging device, characterized in that: The charging device is applied to a photovoltaic cleaning robot; the charging device comprises: frame; A crawler assembly is provided on one side of the frame; the crawler assembly includes a plurality of first crawler wheels and a crawler belt; the plurality of first crawler wheels are rotatably connected to the frame; the crawler belt is located on the outer periphery of the plurality of first crawler wheels and is annularly sleeved on the plurality of first crawler wheels; a receiving space is formed between the crawler assembly and the bottom of the frame; A charging component is located in the accommodating space; the charging component includes a mounting base and a charging module; the mounting base is installed at the bottom of the frame and covers the charging module, and the charging module is used for wireless charging with the charging station of the photovoltaic cleaning robot.

2. The charging device according to claim 1, characterized in that The charging module is a wireless charging module, and the charging module is arranged below the rack.

3. The charging device according to claim 2, characterized in that A sealed space is formed between the mounting base and the bottom of the rack. The charging module is located in the sealed space and is wirelessly charged with the charging station of the photovoltaic cleaning robot.

4. The charging device according to claim 3, characterized in that The charging module is connected to the mounting base.

5. The charging device according to claim 4, characterized in that The charging module is glued to the mounting base; Alternatively, the charging module is connected to the mounting base via screws; Alternatively, the charging module is engaged with the mounting base.

6. The charging device according to claim 5, characterized in that The frame is provided with a through hole; The mounting seat passes through the through hole and is detachably mounted on the rack; the outer side wall of the mounting seat is in contact with the inner side wall of the through hole.

7. The charging device according to claim 6, characterized in that The mounting seat includes a first body and a boss, wherein the boss is arranged on the top of the first body and extends along the four sides; The boss is detachably mounted on the frame.

8. The charging device according to claim 7, characterized in that The first body is connected to the boss and is penetrated by the via hole; The outer side wall of the first body is attached to the inner side wall of the via hole, and the first body is loosely matched with the via hole.

9. The charging device according to claim 7, characterized in that The first body is arranged in a square frame and accommodates the charging module.

10. A photovoltaic cleaning robot, characterized in that: The charging device comprises the charging device according to any one of claims 1 to 9.

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