Ramp plate, base station, and cleaning system

By designing a first gentle section and a climbing section on the ramp and equipping it with anti-slip parts, the problem of the sweeping robot getting stuck or slipping on the ramp is solved, thus shortening the length of the ramp and reducing the size of the base station.

WO2025246936A1PCT designated stage Publication Date: 2025-12-04BEIJING ROCKROBO TECH CO LTD
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Patent Information

Application Number
PCT/CN2025/094850
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-30
Filing Date
2025-05-14
Publication Date
2025-12-04

AI Technical Summary

Technical Problem

In existing technologies, sweeping robots are prone to getting stuck or slipping when returning to their posts on ramps, resulting in excessively long ramps and increased base station volume.

Method used

The ramp slab is designed to include a first gentle section and a climbing section. The climbing section has a steeper slope than the gentle section, and the anti-slip part provides friction to ensure that the cleaning equipment can be smoothly installed on the pile.

Benefits of technology

By shortening the ramp length, reducing the base station depth, and decreasing the base station volume, the cleaning equipment can be smoothly returned to its original position.

✦ Generated by Eureka AI based on patent content.

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    Figure CN2025094850_04122025_PF_FP_ABST
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Abstract

A ramp plate (100), a base station, and a cleaning system. The ramp plate (100) comprises a ramp plate body (210) and anti-slip portions (120), and the ramp plate body (210) comprises a first gently sloping section (111) and a climbing section (112). When a cleaning device main body returns to the base station, the cleaning device main body first comes into contact with the first gently sloping section (111), specifically, the cleaning device main body comes into contact with the anti-slip portions (120) on the first gently sloping section (111). Because the first gently sloping section (111) is gently sloping, the cleaning device main body can smoothly travel to the first gently sloping section (111); as the cleaning device main body continuously moves, the cleaning device main body will travel to the steep climbing section (112); in this case, the front end of the cleaning device main body may come into contact with the ramp plate body (210); however, due to the provision of the anti-slip portions (120), sufficient friction can be provided for the cleaning device main body, so that the cleaning device main body can continue to travel and then travel onto the climbing section (112), thereby completing docking.
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Description

ramps, base stations, and cleaning systems Cross-reference of related applications

[0001] This application claims priority to Chinese Patent Application No. 202421217530.7, filed on May 30, 2024, entitled "Ramp, Base Station and Cleaning System", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of cleaning system technology, and more particularly to a ramp, a base station, and a cleaning system. Background Technology

[0003] Robotic vacuum cleaners need to use ramps to rejoin their posts. Current ramp designs use steep inclines, which significantly limit the length of the ramp to prevent the robot from getting stuck or slipping. The inventors discovered, as shown in Figure 1, the reason for the robot getting stuck during post-mounting. On the inclined ramp, before the robot's wheels reach the ramp, the robot collides with it, causing significant resistance that can lead to slippage and failure to rejoin the post. Therefore, a longer ramp is needed for the same height to prevent collisions and interference before the robot's wheels reach the ramp, as shown in Figure 2. However, this results in excessively long ramps, deeper base stations, and increased overall size. (Application Content)

[0004] This application aims to address at least one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the first aspect of this application provides a ramp slab.

[0006] A second aspect of this application provides a base station.

[0007] A third aspect of this application provides a cleaning system.

[0008] In view of the above, a ramp slab is provided according to a first aspect of the embodiments of this application, comprising:

[0009] The ramp slab body, along the length direction of the ramp slab body, includes a first gentle section and a climbing section, the slope of the climbing section being greater than the slope of the first gentle section;

[0010] The slope of the climbing section is 5° to 20°.

[0011] In one feasible implementation, the slope of the first gentle section is 0° to 5°;

[0012] The slope of the climbing section is 11° to 20°.

[0013] In one feasible implementation, the ramp slab further includes:

[0014] Anti-slip section, the anti-slip section is provided on the first gentle section and the climbing section.

[0015] In a feasible implementation, the anti-slip part is in two sets, which are disposed on both sides of the ramp plate body, and the two sets of anti-slip parts are used to contact the moving parts of the cleaning equipment body.

[0016] In one possible implementation, the anti-slip portion includes a plurality of spaced protrusions.

[0017] In one feasible implementation, on the climbing section, the protrusion forms a guide slope in the direction toward the free end of the first leveling section.

[0018] In one feasible implementation, the ramp slab further includes:

[0019] A cleaning tray fixing frame is connected to one end of the ramp slab body near the climbing section;

[0020] A cleaning tray, which is mounted on a cleaning tray holder.

[0021] In one possible implementation, a second level section is formed on the cleaning tray holder, the second level section being connected to the climbing section.

[0022] In one possible implementation, the slope of the second gentle section is greater than the slope of the first gentle section.

[0023] In one feasible implementation, the anti-slip portion is also provided on the second gentle section.

[0024] In one feasible implementation, the ramp slab body is hinged to the wash tray mounting bracket; and / or

[0025] The ramp plate body has a buckle, the cleaning tray fixing frame has a slot, and the ramp plate body is snapped into the cleaning tray fixing frame.

[0026] A base station is provided according to a second aspect of the embodiments of this application, comprising:

[0027] Base station body;

[0028] The ramp slab as described in any of the above technical solutions is used to be installed within the base station body.

[0029] A cleaning system is provided according to a third aspect of the embodiments of this application, comprising:

[0030] The base station as described in the above technical solution;

[0031] The main body of the cleaning equipment is used to be parked inside the base station.

[0032] Compared with the prior art, this application has at least the following beneficial effects:

[0033] The ramp provided in this embodiment includes a ramp body and an anti-slip part. The ramp body includes a first gentle slope and a climbing slope. Based on this, the ramp provided in this embodiment changes the original simple large slope design into two slopes with different gradients, namely the first gentle slope and the climbing slope. When the cleaning equipment returns to the base station, the cleaning equipment first contacts the first gentle slope, specifically the ramp body. In this case, because the first gentle slope is relatively flat, the cleaning equipment can smoothly travel onto it. Then, as the cleaning equipment continues to move, it will travel to the steeper climbing slope. In this case, the front end of the cleaning equipment may contact the ramp body, but the ramp body can provide sufficient friction for the cleaning equipment to continue traveling. The cleaning equipment can then travel onto the climbing slope, and the cleaning equipment can complete the return trip.

[0034] The ramp provided in this application embodiment includes a first gentle section and a climbing section. The cleaning equipment body is first moved onto the ramp by the relatively gentle first gentle section, and then the ramp body provides sufficient friction to climb onto the climbing section. By setting the climbing section with a larger slope, the length of the ramp can be effectively shortened. Based on this, when the ramp is applied to a base station, the depth of the base station can be reduced, which is beneficial to reducing the size of the base station. Attached Figure Description

[0035] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0036] Figure 1 is a schematic diagram of the main body of a cleaning device with a pile as an example;

[0037] Figure 2 is a schematic diagram of the main body of the cleaning equipment being piled up in another example;

[0038] Figure 3 is a schematic structural diagram of a ramp slab according to an embodiment of this application;

[0039] Figure 4 is a schematic structural diagram of the second angle of a ramp slab according to an embodiment of this application;

[0040] Figure 5 is a schematic structural diagram of the ramp slab at the third angle according to an embodiment of this application;

[0041] Figure 6 is a magnified view of part A in Figure 5;

[0042] Figure 7 is a schematic structural diagram of a base station according to an embodiment of this application.

[0043] The correspondence between the reference numerals and component names in Figures 1 to 7 is as follows:

[0044] 100 ramp slab;

[0045] 110 ramp slab body, 120 anti-slip part, 130 cleaning tray fixing frame, 140 cleaning tray;

[0046] 111 First gentle section, 112 Climbing section, 121 Protrusion, 122 Guide slope, 131 Second gentle section;

[0047] 210 base station body. Detailed Implementation

[0048] To better understand the above technical solutions, the technical solutions of the embodiments of this application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this application, rather than limitations on the technical solutions of this application. In the absence of conflict, the embodiments of this application and the technical features in the embodiments can be combined with each other.

[0049] Robotic vacuum cleaners need to use ramps to rejoin their posts. Current ramp designs use steep inclines, which significantly limit the length of the ramp to prevent the robot from getting stuck or slipping. Figure 1 illustrates why the robot might get stuck during the rejoining process. On the ramp, before the robot's wheels reach the top, the robot collides with the ramp, creating sufficient resistance to cause slippage and failure to rejoin the post. Therefore, a longer ramp is needed for the same height to prevent collisions and interference before the robot's wheels reach the top, as shown in Figure 2. However, this results in excessively long ramps, deep base stations, and increased overall size.

[0050] Based on this, as shown in Figures 3 to 6, a first aspect of the present application provides a ramp 100, including: a ramp body 110, which includes a first gentle section 111 and a climbing section 112 along the length of the ramp body 110, wherein the slope of the climbing section 112 is greater than the slope of the first gentle section 111; wherein the slope of the climbing section 112 is 5° to 20°.

[0051] The ramp 100 provided in this embodiment includes a ramp body 110, which includes a first gentle section 111 and a climbing section 112. The ramp 100 provided in this embodiment changes the original simple large slope design into two slopes with different gradients, namely the first gentle section 111 and the climbing section 112. When the main body of the cleaning equipment returns to the base station, it first contacts the first gentle section 111, specifically the ramp slab body 110. In this case, since the first gentle section 111 is relatively gentle, the main body of the cleaning equipment can smoothly travel onto the first gentle section 111. Then, as the main body of the cleaning equipment continues to move, it will travel to the steeper climbing section 112. In this case, the front end of the main body of the cleaning equipment may come into contact with the ramp slab body 110, but the ramp slab body 110 can provide sufficient friction for the main body of the cleaning equipment to continue traveling. The main body of the cleaning equipment can then travel onto the climbing section 112, and the main body of the cleaning equipment can then complete the return trip.

[0052] The ramp 100 provided in this embodiment includes a first gentle section 111 and a climbing section 112. The relatively gentle first gentle section 111 is used to move the main body of the cleaning equipment onto the ramp 100. Then, the ramp 110 provides sufficient friction to climb onto the climbing section 112. By setting the climbing section 112 with a larger slope, the length of the ramp 100 can be effectively shortened. Therefore, when the ramp 100 is applied to a base station, the depth of the base station can be reduced, which is beneficial to reducing the size of the base station.

[0053] In this technical solution, the slope of the climbing section 112 is between 5° and 20°. This design shortens the length of the ramp 100, and even if the climbing section 112 interferes with the main body of the cleaning equipment, the main body of the cleaning equipment can still smoothly travel onto the climbing section 112 using the friction provided by the anti-slip part 120. It is understandable that if the slope of the climbing section 112 is less than 5°, the length of the ramp 100 may increase; if the slope of the climbing section 112 is greater than 20°, the climbing section 112 may be too steep, and the anti-slip part 120 may not provide sufficient friction, making it difficult for the main body of the cleaning equipment to travel onto the climbing section 112.

[0054] In one feasible implementation, the ramp slab further includes an anti-slip portion 120, which is disposed on the first gentle section 111 and the climbing section 112.

[0055] The ramp 100 provided in this embodiment includes a ramp body 110 and an anti-slip part 120. The ramp body 110 includes a first gentle section 111 and a climbing section 112. The ramp 100 provided in this embodiment changes the original simple large slope design into two slopes with different gradients, namely the first gentle section 111 and the climbing section 112. When the main body of the cleaning equipment returns to the base station, it first contacts the first gentle section 111, specifically the anti-slip part 120 on the first gentle section 111. In this case, since the first gentle section 111 is relatively gentle, the main body of the cleaning equipment can smoothly travel onto the first gentle section 111. Then, as the main body of the cleaning equipment continues to move, it will travel to the steeper climbing section 112. In this case, the front end of the main body of the cleaning equipment may come into contact with the ramp plate body 110. However, since the anti-slip part 120 can provide sufficient friction for the main body of the cleaning equipment, it can continue to travel and reach the climbing section 112, thus completing the return trip.

[0056] The ramp 100 provided in this embodiment includes a first gentle section 111 and a climbing section 112. The relatively gentle first gentle section 111 is used to move the main body of the cleaning equipment onto the ramp 100. Then, the anti-slip part 120 provides sufficient friction to climb onto the climbing section 112. By setting the climbing section 112 with a larger slope, the length of the ramp 100 can be effectively shortened. Therefore, when the ramp 100 is applied to a base station, the depth of the base station can be reduced, which is beneficial to reducing the size of the base station.

[0057] The ramp 100 provided in this embodiment includes a first gentle section 111, a climbing section 112, and an anti-slip section 120. The first gentle section 111 facilitates the movement of the cleaning equipment body onto the ramp 100. When the cleaning equipment body moves onto the ramp, the anti-slip section 120 provides sufficient friction for the cleaning equipment body. In this case, the relatively steep climbing section 112 can effectively shorten the length of the ramp 100.

[0058] As shown in Figures 3 to 6, in one feasible implementation, the slope of the first gentle section 111 is 0° to 5°; the slope of the climbing section 112 is 11° to 20°.

[0059] This technical solution further provides specific parameter information for the first leveling section 111 and the climbing section 112. The slope of the first leveling section 111 is 0° to 5°, meaning that the first leveling section 111 can be horizontally arranged or have a slight slope. In this case, it facilitates the cleaning equipment body to travel onto the first leveling section 111, avoiding interference between the cleaning equipment body and the first leveling section 111, which could cause the wheels of the cleaning equipment body to slip on the ground. It is understandable that if the slope of the first leveling section 111 is greater than 5°, it may cause interference between the cleaning equipment body and the first leveling section 111, thus affecting the cleaning equipment body's ability to travel onto the first leveling section 111.

[0060] As shown in Figure 5, along the direction of the upper pile of the main body of the cleaning equipment, the relatively gentle section at the free end of the ramp slab 100 is the first gentle section 111. Then the slope increases and enters the second section, which is the climbing section 112, followed by the second gentle section 131.

[0061] In this technical solution, the slope of the climbing section 112 is between 11° and 20°. This design shortens the length of the ramp 100, and even if the climbing section 112 interferes with the main body of the cleaning equipment, the main body of the cleaning equipment can still smoothly travel onto the climbing section 112 using the friction provided by the anti-slip part 120. It is understandable that if the slope of the climbing section 112 is less than 11°, the length of the ramp 100 may increase; if the slope of the climbing section 112 is greater than 20°, the climbing section 112 may be too steep, and the anti-slip part 120 may not provide sufficient friction, making it difficult for the main body of the cleaning equipment to travel onto the climbing section 112.

[0062] As shown in Figures 3 to 6, in one feasible embodiment, the anti-slip part 120 is divided into two groups and disposed on both sides of the ramp plate body 110. The two groups of anti-slip parts 120 are used to contact the moving parts of the cleaning equipment body.

[0063] In this technical solution, the arrangement of the anti-slip part 120 is further provided. The anti-slip part 120 is divided into two groups and is set on both sides of the ramp plate body 110. The two groups of anti-slip parts 120 are used to contact the moving parts of the main body of the cleaning equipment. The anti-slip part 120 is divided into two groups, which can better provide friction to the main body of the cleaning equipment.

[0064] It is understandable that the moving parts of the main body of the cleaning equipment can be wheels.

[0065] As shown in Figures 5 and 6, in one feasible embodiment, the anti-slip portion 120 includes a plurality of spaced protrusions 121.

[0066] In this technical solution, the anti-slip part 120 is further provided. The anti-slip part 120 includes a plurality of spaced protrusions 121. The protrusions 121 can contact the moving parts of the main body of the cleaning equipment, thereby providing friction to the main body of the cleaning equipment.

[0067] As shown in Figures 5 and 6, in one feasible embodiment, the protrusion 121 has a guide slope 122 formed in the direction of the free end of the first gentle section 111.

[0068] In this technical solution, the protrusion 121 is further provided in a certain style. The protrusion 121 may include a guide slope 122. The setting of the guide slope 122 is conducive to the main body of the cleaning equipment traveling in the direction of the upward pile. In the direction of the downward pile, the protrusion 121 can provide stronger friction, thereby facilitating the main body of the cleaning equipment to travel to the climbing section 112.

[0069] As shown in Figures 3 to 6, in one feasible embodiment, the ramp 100 further includes: a cleaning tray fixing frame 130, which is connected to one end of the ramp body 110 near the climbing section 112; and a cleaning tray 140, which is used to be mounted on the cleaning tray fixing frame 130.

[0070] In this technical solution, the ramp 100 may also include a cleaning disc fixing frame 130, and the cleaning disc 140 may be set on the cleaning disc fixing frame 130. After the main body of the cleaning equipment is back piled up, the cleaning disc 140 can clean the cleaning parts of the main body of the cleaning equipment, making the use of the cleaning system more convenient.

[0071] It is understandable that an electric device is installed on the ramp plate body 110, and the electric device is connected to the cleaning plate 140 on the cleaning plate fixing frame 130 to drive the cleaning plate 140 to rotate and clean the cleaning parts of the main body of the cleaning equipment.

[0072] As shown in Figures 3 to 6, in one feasible embodiment, a second gentle section 131 is formed on the cleaning tray fixing frame 130, and the second gentle section 131 is connected to the climbing section 112; wherein, the slope of the second gentle section 131 is greater than the slope of the first gentle section 111.

[0073] In this technical solution, a second gentle section 131 can also be formed above the cleaning tray fixing frame 130. Based on this, when the main body of the cleaning equipment is back piled, the main body of the cleaning equipment will pass through the first gentle section 111, the climbing section 112 and the second gentle section 131 in succession. The setting of the second gentle section 131 makes it easier for the main body of the cleaning equipment to stop and for the cleaning components of the main body of the cleaning equipment to be aligned with the cleaning tray 140.

[0074] In one feasible implementation, the slope of the second gentle section 131 is greater than the slope of the first gentle section 111. This arrangement allows the main body of the cleaning equipment to climb to a higher height.

[0075] In one feasible implementation, the anti-slip part 120 is also provided on the second gentle section 131.

[0076] In this technical solution, the anti-slip part 120 is also set on the second gentle section 131. This anti-slip part 120 can provide sufficient friction during the process of the main body of the cleaning equipment going up or down the pile, so as to prevent the main body of the cleaning equipment from slipping.

[0077] As shown in Figures 3 to 6, in one feasible embodiment, the ramp plate body 110 is hinged to the cleaning tray fixing frame 130. This arrangement allows for a certain degree of freedom between the ramp plate body 110 and the cleaning tray fixing frame 130, facilitating the placement of the ramp plate 100 into the base station.

[0078] In some examples, when the ramp 100 is used on a base station, the ramp 100 can be a movable ramp 100, which is hinged to the cleaning tray fixing frame 130 via the ramp body 110, making it easy for the user to move the ramp 100.

[0079] In one feasible embodiment, a buckle is formed on the ramp body 110, and a slot is formed on the cleaning tray holder 130, so that the ramp body 110 is snapped into the cleaning tray holder 130. This arrangement allows the ramp body 110 and the cleaning tray holder 130 to be detachably connected, facilitating the assembly of the ramp 100.

[0080] It is understood that the ramp plate body 110 is connected to the cleaning tray fixing frame 130 through buckles and slots, while allowing a certain degree of freedom between the ramp plate body 110 and the cleaning tray fixing frame 130, facilitating the placement of the ramp plate 100 into the base station. It also facilitates the user's removal from the base station.

[0081] As shown in Figure 7, a base station is provided according to a second aspect of the embodiments of this application, including: a base station body 210; and a ramp 100 as described in any of the above technical solutions, wherein the ramp 100 is used to be disposed within the base station body 210.

[0082] The base station provided in this application embodiment includes the ramp 100 of any of the above technical solutions, and therefore the base station has all the beneficial effects of the ramp 100 of the above technical solutions.

[0083] The base station provided in this application embodiment includes a base station body 210 and a ramp 100. The ramp 100 includes a ramp body 110 and an anti-slip part 120. The ramp body 110 includes a first gentle section 111 and a climbing section 112. Based on this, the base station provided in this application embodiment is provided. When the main body of the cleaning equipment returns to the base station, it first contacts the first gentle section 111, specifically the anti-slip part 120 on the first gentle section 111. In this case, since the first gentle section 111 is relatively gentle, the main body of the cleaning equipment can smoothly travel onto the first gentle section 111. Then, as the main body of the cleaning equipment continues to move, it will travel to the steeper climbing section 112. In this case, the front end of the main body of the cleaning equipment may come into contact with the ramp plate body 110. However, since the anti-slip part 120 can provide sufficient friction for the main body of the cleaning equipment, it can continue to travel and reach the climbing section 112, thus completing the return trip.

[0084] The base station provided in this application embodiment includes a ramp body 110 with a first gentle section 111 and a climbing section 112. The cleaning equipment body is first moved onto the ramp 100 using the relatively gentle first gentle section 111, and then the anti-slip part 120 provides sufficient friction to climb onto the climbing section 112. By setting the climbing section 112 with a larger slope, the length of the ramp 100 can be effectively shortened. Based on this, when the ramp 100 is applied to the base station, the depth of the base station can be reduced, which is beneficial to reducing the size of the base station.

[0085] A third aspect of the embodiments of this application provides a cleaning system, comprising: a base station as described above; and a cleaning equipment body, the cleaning equipment body being housed within the base station.

[0086] The cleaning system provided in this application embodiment includes a base station of any of the above-described technical solutions, and therefore possesses all the beneficial effects of the base station of the above-described technical solutions.

[0087] The cleaning system provided in this application embodiment includes a ramp body 110 with a first gentle section 111 and a climbing section 112. The main body of the cleaning equipment is first moved onto the ramp 100 using the relatively gentle first gentle section 111, and then the anti-slip part 120 provides sufficient friction to climb onto the climbing section 112. By setting the climbing section 112 with a larger slope, the length of the ramp 100 can be effectively shortened. Based on this, when the ramp 100 is applied to a base station, the depth of the base station can be reduced, which is beneficial to reducing the size of the base station.

[0088] In the description of this application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0089] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0090] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A ramp board, wherein, Comprising: a ramp plate body, along a length direction of the ramp plate body, the ramp plate body comprising a first flat section and a climbing section, a slope of the climbing section being greater than a slope of the first flat section; wherein the slope of the climbing section is 5° to 20°.

2. The ramp plate according to claim 1, wherein, the slope of the first flat section is 0° to 5°; the slope of the climbing section is 11° to 20°.

3. The ramp board of claim 1, wherein, Further comprising: a non-slip portion, the non-slip portion being provided on the first flat section and the climbing section.

4. The ramp plate according to claim 3, wherein, the non-slip portion is in two groups, provided on two sides of the ramp plate body, the two groups of the non-slip portion being used to contact a moving piece of a cleaning device body.

5. The ramp plate according to claim 4, wherein, the non-slip portion comprises a plurality of protrusions arranged at intervals.

6. The ramp plate according to claim 5, wherein, on the climbing section, the protrusions have a guide slope surface towards a direction of a free end of the first flat section.

7. The ramp board of any one of claims 3 to 6, wherein, Further comprising: a washing tray fixing frame, the washing tray fixing frame being connected to the ramp plate body near one end of the climbing section; a washing tray, the washing tray being used to be provided on the washing tray fixing frame.

8. The ramp plate according to claim 7, wherein, a second flat section is formed on the washing tray fixing frame, the second flat section being communicated to the climbing section.

9. The ramp plate according to claim 8, wherein, a slope of the second flat section is greater than a slope of the first flat section.

10. The ramp plate according to claim 8, wherein, the non-slip portion is further provided on the second flat section.

11. The ramp plate according to claim 7, wherein, the ramp plate body is hinged to the washing tray fixing frame; and / or a buckle is formed on the ramp plate body, a clamping groove is formed on the washing tray fixing frame, and the ramp plate body is clamped to the washing tray fixing frame.

12. A base station, wherein, Comprising: a base station body; the ramp plate according to any one of claims 1 to 11, the ramp plate being used to be provided in the base station body.

13. A cleaning system wherein, Comprising: the base station according to claim 12; a cleaning device body, the cleaning device body being accommodated in the base station.

Citation Information

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