Photovoltaic cleaning robot having dust and snow removal functions

Abstract

The present application relates to a photovoltaic cleaning robot having dust and snow removal functions. The photovoltaic cleaning robot comprises: a frame (1); a traveling system, mounted on the frame (1) and used for driving the frame (1) to move; a dust removal assembly, comprising a roller brush (3) rotatably mounted within the frame (1); and a snow removal assembly, comprising a snow removal rotating shaft (4), a snow pushing plate (5), and an angle adjustment member. The snow removal rotating shaft (4) is rotatably mounted on the frame (1). The snow pushing plate (5) is connected to the snow removal rotating shaft (4), and the snow pushing plate (5) is located on a side in a movement direction of the roller brush (3). The angle adjustment member is mounted on the frame (1) and is connected to the snow removal rotating shaft (4) to drive the snow pushing plate (5) to change an angle. The present application enables switching between dust-removal and snow-removal modes, thereby meeting dust and snow removal requirements for photovoltaic panels.

Description

A photovoltaic cleaning robot with dust and snow removal functions Technical Field

[0001] This application relates to the field of photovoltaic panel cleaning equipment technology, and in particular to a photovoltaic cleaning robot with dust removal and snow removal functions. Background Technology

[0002] With the development of photovoltaic power generation in my country, the construction of centralized ground-mounted power stations is increasing. During the operation and maintenance of photovoltaic equipment, dust removal robots are typically used to clean the dust from the surface of the photovoltaic panels. However, in some areas, especially in northern regions, there are often several months of snowfall each year. Therefore, it is necessary not only to clean the dust from the photovoltaic panel surface but also to remove the accumulated snow. Existing photovoltaic cleaning robots generally have a roller brush structure and are mainly used for cleaning dust. Due to the difference in characteristics between snow and dust, general photovoltaic cleaning robots can only meet the requirements for dust cleaning and cannot handle snow removal from the photovoltaic panel surface.

[0003] Utility Model Content

[0004] Therefore, it is necessary to provide a photovoltaic cleaning robot with dust and snow removal functions, and its specific technical solution is as follows.

[0005] A photovoltaic cleaning robot with dust and snow removal functions includes:

[0006] frame;

[0007] The walking system, mounted on the frame, is used to move the frame.

[0008] Dust removal assembly, including a roller brush rotatably mounted within a frame;

[0009] The snow removal assembly includes a snow removal shaft, a snow pusher, and an angle adjustment component; the snow removal shaft is rotatably mounted on the frame; the snow pusher is connected to the snow removal shaft and is located on the side in the direction of the roller brush movement; the angle adjustment component is mounted on the frame and connected to the snow removal shaft, driving the snow pusher to change its angle.

[0010] Optionally, the angle adjusting member includes a telescopic push rod and a transmission assembly; the transmission assembly includes:

[0011] The joystick has one end rotatably mounted on the end of the frame, and the other end is hinged to the telescopic push rod, rotating as the telescopic push rod extends and retracts;

[0012] The drive sprocket is connected to the rocker arm and rotates with the rocker arm.

[0013] The driven sprocket is connected to the snow removal shaft, which drives the snow removal shaft to rotate;

[0014] The chain is connected to the drive sprocket and the transmission sprocket respectively.

[0015] Furthermore, snowplows are provided on both sides of the roller brush; the two snowplows are respectively connected to two snow removal shafts; the two snow removal shafts are respectively connected to the driven sprockets of two sets of transmission components; and the two ends of the telescopic push rod are respectively hinged to the rocker arms of two sets of transmission components.

[0016] Furthermore, the telescopic push rod is in a floating state.

[0017] Furthermore, the transmission assembly also includes a mounting base; the mounting base is mounted on the end of the frame, the drive sprocket includes a drive shaft and a drive sprocket body, the drive shaft is rotatably connected to the mounting base through a copper sleeve, and the drive sprocket body is connected to the drive shaft; the driven sprocket includes a driven shaft and a driven sprocket body, the driven shaft is connected to the snow removal shaft, and the driven sprocket body is connected to the driven shaft.

[0018] Furthermore, the drive sprocket is provided with a limiting screw that moves with the rotation of the drive sprocket, and the end of the frame is provided with a first adjusting screw and a second adjusting screw, which are respectively used to prevent the limiting screw from moving.

[0019] Optionally, the angle adjustment component includes a motor, which is mounted on the frame and the output shaft of the motor is connected to the snow removal shaft.

[0020] Furthermore, the snow removal shaft includes multiple sub-shafts arranged along its length; adjacent sub-shafts are respectively connected to a transition shaft; the transition shaft is rotatably connected to a support base, and the support base is connected to the frame.

[0021] Furthermore, the snowplow includes multiple flexible boards, and a pressure strip is provided on the sub-rotating shaft. The flexible boards are located between the sub-rotating shaft and the pressure strip, and the pressure strip is connected to the sub-rotating shaft and clamps the flexible boards.

[0022] Furthermore, the roller brush is connected to the first driving component; the walking system includes a walking wheel and a second driving component; the walking wheel is connected to the second driving component; the first driving component drives the roller brush to rotate in the same direction or in the opposite direction to the walking wheel.

[0023] Beneficial effects: The photovoltaic cleaning robot with dust removal and snow removal functions provided by this utility model can adjust the angle of the snow pusher by the angle adjustment component, so that when the snow pusher is at a certain angle, such as vertically downward, it enters the snow removal mode, and when the snow pusher is at another specific angle, such as vertically upward, it enters the dust removal mode. It can switch between the two modes of dust removal and snow removal to meet the dust removal and snow removal requirements of photovoltaic panels. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 is one of the overall schematic diagrams of the cleaning robot;

[0026] Figure 2 is a front view of the first type of angle adjustment component;

[0027] Figure 3 is a top view of the first type of angle adjustment component;

[0028] Figure 4 is an exploded view of the first type of angle adjustment component;

[0029] Figure 5 is a cross-sectional view along AA in Figure 1;

[0030] Figure 6 is a cross-sectional view along BB in Figure 2;

[0031] Figure 7 is an exploded view of the second type of angle adjustment component;

[0032] Figure 8 is a cross-sectional view of the second type of angle adjustment component;

[0033] Figure 9 is the second overall schematic diagram of the cleaning robot;

[0034] Figure 10 is an enlarged schematic diagram of region A in Figure 8;

[0035] Figure 11 is a schematic diagram of the cleaning robot in operation;

[0036] Figure 12 is a schematic diagram of the snow removal mode;

[0037] Figure 13 is a schematic diagram of the dust removal mode.

[0038] Explanation of reference numerals in the attached diagram: 1. Frame; 2. Wheels; 3. Roller brush; 4. Snow removal shaft; 5. Snowplow blades;

[0039] 11. Main beam; 12. End beam; 13. Crossbeam; 14. Support base;

[0040] 41. Sub-shaft; 42. Adapter shaft;

[0041] 51. Pressure strip; 52. Flexible panel;

[0042] 61. Telescopic push rod; 62. Rocker arm; 63. Drive sprocket body; 64. Driven sprocket body; 65. Chain; 66. Drive shaft; 67. Driven shaft; 68. Mounting base;

[0043] 681. Copper sleeve; 682. Limiting screw; 683. First adjusting screw; 684. Second adjusting screw; 685. Arc groove; 686. First bearing; 687. First bearing housing;

[0044] 601. Motor; 602. Adapter plate; 603. Second bearing; 604. Second bearing housing; 605. Output shaft; 606. Dust cover; 607. Snap ring. Detailed Implementation

[0045] 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.

[0046] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, 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.

[0047] Furthermore, the terms "first" and "second" are used 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 as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0048] 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 according to the specific circumstances.

[0049] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through 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. "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.

[0050] It should be noted that when 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. When 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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0051] Example

[0052] Referring to Figure 1, this embodiment provides a photovoltaic cleaning robot with dust and snow removal functions, including a frame 1, a walking system, a dust removal component, and a snow removal component. The frame 1 includes two main beams 11 and two end beams 12, with the two main beams 11 connected to the two end beams 12 respectively. Since photovoltaic panels are generally large, the length of the main beams 11 is generally relatively long. In this embodiment, a crossbeam 13 is also connected between the two main beams 11 to ensure the reliability of the frame 1. In other embodiments, the number of crossbeams 13 can be adjusted according to the length of the main beams 11.

[0053] Specifically, the walking system is mounted on the frame 1 and is used to move the frame 1. By moving the frame 1 back and forth on the photovoltaic panels, the system enables comprehensive dust and snow removal operations on the photovoltaic panels. The walking system includes a second drive component and walking wheels 2. The walking wheels 2 are mounted on the end beam 12 or the crossbeam 13. The second drive component is connected to the walking wheels 2, and the second drive component drives the walking wheels 2 to move, thereby driving the entire cleaning robot to move in a direction perpendicular to the length of the main beam 11.

[0054] Specifically, the dust removal assembly includes a roller brush 3, which is rotatably mounted within the frame 1. One end of the roller brush 3 is rotatably connected to an end beam 12, and the other end is connected to a first driving component, which is mounted on another end beam 12 and drives the roller brush 3 to rotate. In this embodiment, the roller brush 3 and the traveling wheel 2 are each driven by a separate driving element. During operation, the roller brush 3 can be driven to rotate in the same direction as the traveling wheel 2, or it can be driven to rotate in opposite directions. When the roller brush 3 and the traveling wheel 2 rotate in the same direction, it provides auxiliary thrust for the movement of the cleaning robot; when the roller brush 3 and the traveling wheel 2 rotate in opposite directions, it improves the degree of cleaning.

[0055] Specifically, the snow removal assembly includes a snow removal shaft 4, a snow pusher 5, and an angle adjustment component. The snow removal shaft 4 is rotatably mounted on the frame 1; the snow pusher 5 is connected to the snow removal shaft 4 and is located on the side where the roller brush 3 moves; the angle adjustment component is mounted on the frame 1 and connected to the snow removal shaft 4, driving the snow pusher 5 to change its angle. The angle adjustment component is specifically installed inside the end beam 12. The angle of the snow pusher 5 is adjusted by the angle adjustment component so that when the snow pusher 5 is at a specific angle, such as vertically downward, it inserts into the snow and contacts it, causing the sweeping robot to push the snow down during its movement. When the snow pusher 5 is at another specific angle, such as vertically upward, it reduces the obstruction of the sweeping robot's movement and prevents the snow pusher 5 from blocking the dust rolled up by the roller brush 3.

[0056] The photovoltaic cleaning robot with dust and snow removal functions provided in this embodiment can adjust the angle of the snowplow 5 by means of an angle adjustment component. When the snowplow 5 is at a certain angle, such as vertically downward, it enters the snow removal mode, and when the snowplow 5 is at another specific angle, such as vertically upward, it enters the dust removal mode. It can switch between the two modes of dust removal and snow removal to meet the dust and snow removal requirements of the photovoltaic panel.

[0057] Specifically, in this embodiment, two types of angle adjustment components are provided, one of which is shown in FIG2-6 and the other of which is shown in FIG7-8.

[0058] It should be noted that in this embodiment, the snowplow 5 can be installed on one side or both sides, that is, the snowplow 5 can be provided only on one side of the roller brush 3, or the snowplow 5 can be provided on both sides of the roller brush 3. In the following embodiments, the snowplow 5 is provided on both sides as an example.

[0059] The first type of angle adjustment component, as shown in Figure 2, includes a telescopic push rod 61 and a transmission assembly. The transmission assembly consists of two sets of snow-push shafts corresponding to the snowplow blades 5 on both sides. The transmission assembly includes a rocker arm 62, a drive sprocket, a driven sprocket, and a chain 65. One end of the rocker arm 62 is rotatably mounted to the end of the frame 1, and the other end is hinged to the telescopic push rod 61, meaning both ends of the telescopic push rod 61 are hinged to the rocker arms 62 of the two transmission assemblies. The telescopic push rod 61 extends and retracts, pushing the two rocker arms 62 to rotate in opposite directions. The rotating sprocket is connected to the rocker arm 62 and rotates with it. The driven sprocket is connected to the snowplow shaft 4, driving it to rotate. The chain 65 is connected to both the drive sprocket and the driven sprocket. When the rocker arm 62 rotates, it drives the drive sprocket to rotate, thereby driving the driven sprocket to rotate, ultimately causing the snowplow shaft 4 to rotate and changing the angle of the snowplow blades 5.

[0060] Specifically, in this embodiment, the telescopic push rod 61 can be a unidirectional electric push rod, so that the telescopic push rod 61 is in a floating state, that is, the telescopic push rod 61 does not need to be connected to the frame 1. That is, the unidirectional extension of the telescopic push rod 61 can drive the two rocker arms 62 to rotate.

[0061] Specifically, referring to Figures 5 and 7, the transmission assembly further includes a mounting base 68, which is mounted on the end beam 12 and located at the end of the frame 1. The drive sprocket includes a drive shaft 66 and a drive sprocket body 63. The drive shaft 66 is rotatably connected to the mounting base 68 via a copper sleeve 681. The drive sprocket body 63 is connected to the drive shaft 66. The rocker arm 62 is also connected to the drive shaft 66, meaning the rocker arm 62 is rotatably mounted at the end of the frame 1 via the drive shaft 66 and the mounting base 68. The driven sprocket includes a driven shaft 67 and a driven sprocket body 64. The driven shaft 67 passes through the mounting base 68 and is rotatably connected to a first bearing seat 687 via a first bearing 686. The first bearing seat 687 is connected to the end beam 12. The driven shaft 67 is connected to the snow removal shaft 4, and the driven sprocket body 64 is connected to the driven shaft 67. Therefore, the driven shaft 67 is rotated by the driven sprocket body 64, thereby rotating the snow removal shaft 4.

[0062] Specifically, referring to Figure 6, the drive sprocket is provided with a limiting screw 682 that moves with the rotation of the drive sprocket. The end of the frame 1 is provided with a first adjusting screw 683 and a second adjusting screw 684, which respectively prevent the limiting screw 682 from moving. The mounting base 68 is provided with an arc-shaped groove 685 corresponding to the movement of the limiting screw 682, and the first adjusting screw 683 and the second adjusting screw 684 are respectively located at both ends of the arc-shaped groove 685. When the limiting screw 682 moves to abut against the first adjusting screw 683 or the second adjusting screw 684, it restricts the continued movement of the limiting screw 682, that is, it restricts the snowplow 5 from continuing to rotate. Therefore, when the limiting screw 682 moves to abut against the first adjusting screw 683 or the second adjusting screw 684, the snowplow 5 rotates to a vertically upward or vertically downward position.

[0063] Using the first type of angle adjustment component, the angle of the snowplows 5 on both sides can be adjusted by using a telescopic push rod 61. This method is low in cost, lightweight, and easy to control.

[0064] The second type of angle adjustment component is shown in Figures 7-8. The angle adjustment component includes a motor 601, which is mounted on the frame 1, and the output shaft 605 of the motor 601 is connected to the snow removal shaft 4.

[0065] Specifically, the motor 601 is mounted on the end beam 12 via an adapter plate 602. A second bearing housing 604 is also mounted on the end beam 12. The output shaft 605 of the motor 601 passes through the end beam 12 and is connected to the second bearing housing 604 via a second bearing 603. The end of the bearing housing away from the end beam 12 is also provided with a dust cover 606 and a retaining ring 607. The output shaft 605 of the motor 601 passes through the dust cover 606 and is connected to the snow removal shaft 4.

[0066] The second type of angle adjustment allows for separate control of the snowplows 5 on both sides, but the cost is higher than the first method.

[0067] Specifically, referring to Figure 9, the snow removal shaft 4 includes multiple sub-shafts 41 arranged along its length; as shown in Figure 10, adjacent sub-shafts 41 are respectively connected to adapter shafts 42; the adapter shafts 42 are rotatably connected to support seats 14, and the support seats 14 are connected to the frame 1. By setting support seats 14 between adjacent sub-shafts 41, the snow removal shaft 4 is supported by the support seats 14, preventing deformation of the snow removal shaft 4 during snow removal due to its relatively long length, and improving the overall rigidity of the snow removal shaft 4.

[0068] Specifically, the snowplow 5 includes multiple flexible plates 52, and a pressure strip 51 is provided on the sub-rotating shaft 41. The flexible plates 52 are located between the sub-rotating shaft 41 and the pressure strip 51, and the pressure strip 51 is connected to the sub-rotating shaft 41 and clamps the flexible plates 52. Using a flexible material as the snowplow 5 avoids damage to the surface of the photovoltaic panel.

[0069] Working process: Referring to Figure 11, the photovoltaic panel is generally tilted. The cleaning robot is placed on the photovoltaic panel and tilted with the photovoltaic panel.

[0070] When snow removal is needed, the snowplow 5 is driven to rotate vertically downwards via the angle adjustment mechanism, as shown in Figure 12. The sweeping robot is then driven by the walking system to move, pushing the snow so that it slides down the slope of the photovoltaic panel or falls through the gaps in the connecting bridge. At this point, depending on the operational needs, the drive roller brush 3 can be rotated in the same direction as the walking wheel 2 to provide auxiliary thrust for the sweeping robot; or the drive roller brush 3 can be rotated in opposite directions to the walking wheel 2 to clean the photovoltaic panel more thoroughly.

[0071] When dust removal is required, the snowplow 5 is driven to rotate vertically upward by the angle adjustment component. The state at this time is shown in Figure 13. The walking system drives the cleaning robot to move, and at the same time drives the roller brush 3 to rotate to clean the inside of the photovoltaic panel.

[0072] 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.

[0073] 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 photovoltaic cleaning robot with dust and snow removal functions, characterized in that, include: frame; The walking system, mounted on the frame, is used to move the frame. Dust removal assembly, including a roller brush rotatably mounted within a frame; The snow removal assembly includes a snow removal shaft, a snow pusher, and an angle adjustment component; the snow removal shaft is rotatably mounted on the frame; the snow pusher is connected to the snow removal shaft and is located on the side in the direction of the roller brush movement; the angle adjustment component is mounted on the frame and connected to the snow removal shaft, driving the snow pusher to change its angle.

2. The photovoltaic cleaning robot with dust and snow removal function according to claim 1, characterized in that, The angle adjustment component includes a telescopic push rod and a transmission assembly; the transmission assembly includes: The joystick has one end rotatably mounted on the end of the frame, and the other end is hinged to the telescopic push rod, rotating as the telescopic push rod extends and retracts; The drive sprocket is connected to the rocker arm and rotates with the rocker arm. The driven sprocket is connected to the snow removal shaft, which drives the snow removal shaft to rotate; The chain is connected to the drive sprocket and the transmission sprocket respectively.

3. A photovoltaic cleaning robot with dust and snow removal functions according to claim 2, characterized in that, Snowplows are provided on both sides of the roller brush; the two snowplows are connected to two snow removal shafts; the two snow removal shafts are connected to the driven sprockets of two sets of transmission components; the two ends of the telescopic push rod are hinged to the rocker arms of two sets of transmission components.

4. A photovoltaic cleaning robot with dust and snow removal functions according to claim 3, characterized in that, The telescopic push rod is in a floating state.

5. A photovoltaic cleaning robot with dust and snow removal functions according to claim 2, characterized in that, The transmission assembly also includes a mounting base; the mounting base is mounted on the end of the frame, the drive sprocket includes a drive shaft and a drive sprocket body, the drive shaft is rotatably connected to the mounting base through a copper sleeve, and the drive sprocket body is connected to the drive shaft; the driven sprocket includes a driven shaft and a driven sprocket body, the driven shaft is connected to the snow removal shaft, and the driven sprocket body is connected to the driven shaft.

6. A photovoltaic cleaning robot with dust and snow removal functions according to claim 2, characterized in that, The drive sprocket is provided with a limiting screw that moves with the rotation of the drive sprocket. The end of the frame is provided with a first adjusting screw and a second adjusting screw, which are used to prevent the limiting screw from moving.

7. A photovoltaic cleaning robot with dust and snow removal functions according to claim 1, characterized in that, The angle adjustment component includes a motor, which is mounted on the frame and the output shaft of the motor is connected to the snow removal shaft.

8. A photovoltaic cleaning robot with dust and snow removal functions according to claim 1, characterized in that, The snow removal shaft includes multiple sub-shafts arranged along its length; adjacent sub-shafts are respectively connected to a transition shaft; the transition shaft is rotatably connected to a support base, and the support base is connected to the frame.

9. A photovoltaic cleaning robot with dust and snow removal functions according to claim 8, characterized in that, The snowplow includes multiple flexible boards. A pressure strip is provided on the sub-rotating shaft. The flexible boards are located between the sub-rotating shaft and the pressure strip. The pressure strip is connected to the sub-rotating shaft and clamps the flexible boards.

10. A photovoltaic cleaning robot with dust and snow removal functions according to claim 1, characterized in that, The roller brush is connected to the first driving component; the walking system includes a walking wheel and a second driving component; the walking wheel is connected to the second driving component; the first driving component drives the roller brush to rotate in the same direction or in the opposite direction to the walking wheel.

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