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EP-4740820-A2 - BASE STATION AND CLEANING ROBOT SYSTEM

EP4740820A2EP 4740820 A2EP4740820 A2EP 4740820A2EP-4740820-A2

Abstract

A base station (20) and a cleaning robot (10) system. The base station (20) comprises: a base station body (21) provided with a cleaning tank (22); and a filter apparatus (40) provided in the cleaning tank (22), the filter device (40) being provided with a float assembly (41), and the float assembly (41) comprising a float body (411) which floats on the surface of the liquid under the action of the liquid. One of a non-contact sensing element and a non-contact sensed element is provided on the float body (411), and the other is provided on the base station body (21), such that when the filtering device (40) is provided in the cleaning tank (22) and the liquid surface in the cleaning tank (22) is within a specific range, the non-contact sensing element may sense the non-contact sensed element. This enables the filtering device (40) to filter the liquid discharged from the cleaning tank (22), and the liquid level in the cleaning tank (22) and the mounting position of the filtering device (40) relative to the base station body (21) can be detected by means of cooperation among the float body (411), the non-contact sensing element and the non-contact sensed element.

Inventors

  • LI, XING
  • CHENG, Pan
  • YANG, ZHIMIN

Assignees

  • Beijing Roborock Technology Co., Ltd.

Dates

Publication Date
20260513
Application Date
20220715

Claims (14)

  1. A cleaning tank (22), configured to be disposed on a base station body (21) of a base station (20), and comprising: a filtration apparatus (40), detachably positioned in the cleaning tank (22), wherein the filtration apparatus (40) is provided with a float assembly (41), the float assembly (41) is positioned on a side of the filtration apparatus (40), and the float assembly (41) comprises a float body (411) floating on a surface of liquid under an action of the liquid, wherein one of a non-contact sensing element and a non-contact sensed element is positioned on the float body (411), and the other of the non-contact sensing element and the non-contact sensed element is positioned on the base station body (21), and when the filtration apparatus (40) is positioned in the cleaning tank (22) and the surface of the liquid in the cleaning tank (22) is within a specific range, the non-contact sensing element is capable of detecting the non-contact sensed element.
  2. The cleaning tank (22) according to claim 1, wherein the filtration apparatus (40) is positioned on at least one side of a bottom part of the cleaning tank (22).
  3. The cleaning tank (22) according to claim 1 or 2, wherein a high liquid-level value of the cleaning tank (22) is a first preset threshold, and the specific range is less than or equal to the first preset threshold.
  4. The cleaning tank (22) according to claim 1 or 2, wherein the non-contact sensed element is positioned on the float body (411); and the non-contact sensing element is positioned on the base station body (21).
  5. The cleaning tank (22) according to claim 4, wherein the non-contact sensed element comprises a magnetic member; and the non-contact sensing element comprises a magnetic sensing element.
  6. The cleaning tank (22) according to claim 1 or 2, wherein the non-contact sensing element is electrically connected to a controller of the base station (20), for outputting a sensing result to the controller.
  7. The cleaning tank (22) according to claim 1 or 2, wherein the filtration apparatus (40) further comprises a filter screen (42) and a housing, the filter screen (42) is positioned above the housing and encloses an accommodating cavity with the housing, the filter screen (42) is used to filter some of the impurities carried by liquid flowing into the accommodating cavity through the cleaning tank (22), and the accommodating cavity is used to accommodate some of the solid impurities carried by the liquid in the accommodating cavity.
  8. The cleaning tank (22) according to claim 7, wherein the filter screen (42) is further provided with a fence (48), the fence (48) and part of an outer edge of the filter screen (42) are connected and enclose a mounting space interfacing with the accommodating cavity, the float body (411) is located in the mounting space along a horizontal direction, and filter holes (423) are disposed in the filter screen (42) outside the mounting space.
  9. The cleaning tank (22) according to claim 7, wherein the float assembly (41) comprises: a mounting bracket (412), detachably positioned on the filter screen (42) or formed on the filter screen (42); and a connector, used to connect the mounting bracket (412) and one end of the float body (411), so that the float body (411) is rotatable relative to the mounting bracket (412).
  10. The cleaning tank (22) according to claim 7, wherein the base station (20) is provided with a sewage outlet (211), the filtration apparatus (40) further comprises a water outlet (44) in communication with the accommodating cavity and the sewage outlet (211), the water outlet (44) is located on at least one side of the filtration apparatus (40), and the water outlet (44) is higher than a bottom surface of the accommodating cavity.
  11. The cleaning tank (22) according to claim 1, wherein the one of the non-contact sensing element and the non-contact sensed element is configured to move with floating of the float body (411), and the other of the non-contact sensing element and the non-contact sensed element is positioned on a fixed position on the base station body (21).
  12. The cleaning tank (22) according to claim 1, wherein a bottom part of the cleaning tank (22) is arranged obliquely downward from a side away from the filtration apparatus (40) to a side close to the filtration apparatus (40).
  13. A base station (20) comprising a base station body (21), wherein the cleaning tank (22) according to any one of claims 1 to 12 is disposed on the base station body (21).
  14. A cleaning robot system, comprising: a cleaning robot; and the base station (20) according to claim 13, wherein the cleaning robot is adapted to dock on the base station (20).

Description

CROSS-REFERENCE TO RELATED APPLICATION This application claims priority to Chinese Patent Application No. 202110975999.1 filed on August 24, 2021, which is incorporated herein by reference in its entirety. TECHNICAL FIELD The present disclosure relates to the field of smart home technologies and, in particular, to a base station and a cleaning robot system. BACKGROUND In an existing base station, cleaning components are typically provided to clean a flat mop cloth of a sweeping and mopping integrated cleaning robot. At the same time, during the cleaning process, debris is collected into a cleaning tank. Due to the presence of solid debris, sewage pipes will be blocked during a sewage discharge process of the cleaning tank. SUMMARY A series of simplified concepts is introduced in the present disclosure, which will be further described in detail in the DETAILED DESCRIPTION part. This part of the present disclosure does not intend to limit the key features and essential technical features of the claimed technical solution, and does not mean to determine the protection scope of the claimed technical solution. An embodiment of a first aspect of the present disclosure provides a base station, including a base station body, provided with a cleaning tank; and a filtration apparatus, positioned in the cleaning tank. The filtration apparatus is provided with a float assembly, and the float assembly includes a float body floating on a surface of liquid under the action of the liquid. One of a non-contact sensing element and a non-contact sensed element is positioned on the float body, and the other is positioned on the base station body. When the filtration apparatus is positioned in the cleaning tank and the surface of the liquid in the cleaning tank is within a specific range, the non-contact sensing element is capable of detecting the non-contact sensed element. Further, the filtration apparatus is positioned on at least one side of the bottom part of the cleaning tank. Further, a high liquid-level value of the cleaning tank is a first preset threshold, and the specific range is less than or equal to the first preset threshold. Further, the non-contact sensed element is positioned on the float body; and the non-contact sensing element is positioned on the base station body. Further, the non-contact sensed element includes a magnetic member; and the non-contact sensing element includes a magnetic sensing element. Further, the non-contact sensing element is electrically connected to a controller of the base station to output a sensing result to the controller. Further, the filtration apparatus includes a filter screen and a housing. The filter screen is provided above the housing and encloses an accommodating cavity with the housing. The filter screen is used to filter part of the impurities carried by liquid flowing into the accommodating cavity through the cleaning tank. The accommodating cavity is used to accommodate part of the solid impurities carried by the liquid in the accommodating cavity. Further, the filter screen is further provided with a fence. The fence and part of an outer edge of the filter screen are connected and enclose a mounting space in communication with the accommodating cavity. The float body is located in the mounting space along a horizontal direction. Filter holes are provided in the filter screen outside the mounting space. Further, the float assembly includes a mounting bracket, detachably positioned on the filter screen or formed on the filter screen; and a connector, which connects the mounting bracket and one end of the float body so that the float body is rotatable relative to the mounting bracket. Further, the base station is provided with a sewage outlet. The filtration apparatus further includes a water outlet in communication with the accommodating cavity and the sewage outlet. The water outlet is located on at least one side of the filtration apparatus, and the water outlet is higher than the bottom surface of the accommodating cavity. Further, the filtration apparatus includes a handle positioned on the filter screen. Further, the handle is positioned on or formed on the filter screen and includes a protruding portion connected to the filter screen. A stop portion is provided on an outer edge of an end of the protruding portion away from the filter screen. Further, opening and closing of the accommodating cavity between the filter screen and the housing are implemented through a pivot mechanism. Further, the bottom part of the cleaning tank is provided with a mounting groove, the accommodating cavity is adapted to be located in the mounting groove, and a first foolproof positioning member and a second foolproof positioning member are provided from top to bottom in the cleaning tank. The filtration apparatus is further provided with a foolproof limiting member and an indicating member. When the foolproof limiting member matches the first foolproof positioning member, the indica