WO2019233493A1 - 清洁机器人及其控制方法、清洁机器人系统 - Google Patents

清洁机器人及其控制方法、清洁机器人系统 Download PDF

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Publication number
WO2019233493A1
WO2019233493A1 PCT/CN2019/090603 CN2019090603W WO2019233493A1 WO 2019233493 A1 WO2019233493 A1 WO 2019233493A1 CN 2019090603 W CN2019090603 W CN 2019090603W WO 2019233493 A1 WO2019233493 A1 WO 2019233493A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning robot
state
work
wiping unit
wiping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/090603
Other languages
English (en)
French (fr)
Inventor
张士松
钟红风
谢明健
徐建强
李佶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to US16/972,433 priority Critical patent/US20210228050A1/en
Priority to JP2021517895A priority patent/JP2021526446A/ja
Priority to EP19815135.9A priority patent/EP3804599A4/en
Priority to CN201980004467.4A priority patent/CN111565613A/zh
Priority to CN202510559630.0A priority patent/CN120167832A/zh
Priority to KR1020217000468A priority patent/KR102440144B1/ko
Publication of WO2019233493A1 publication Critical patent/WO2019233493A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063Driving means; Transmission means therefor
    • A47L11/4069Driving or transmission means for the cleaning tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28Floor-scrubbing machines, motor-driven
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28Floor-scrubbing machines, motor-driven
    • A47L11/282Floor-scrubbing machines, motor-driven having rotary tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002Installations of electric equipment
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002Installations of electric equipment
    • A47L11/4005Arrangements of batteries or cells; Electric power supply arrangements
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4011Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036Parts or details of the surface treating tools
    • AHUMAN NECESSITIES
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    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052Movement of the tools or the like perpendicular to the cleaning surface
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4061Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063Driving means; Transmission means therefor
    • A47L11/4066Propulsion of the whole machine
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4072Arrangement of castors or wheels
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4091Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02Control of position or course in two dimensions
    • G05D1/021Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0212Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
    • G05D1/0225Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory involving docking at a fixed facility, e.g. base station or loading bay
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/60Intended control result
    • G05D1/644Optimisation of travel parameters, e.g. of energy consumption, journey time or distance
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02Docking stations; Docking operations
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02Docking stations; Docking operations
    • A47L2201/022Recharging of batteries
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02Docking stations; Docking operations
    • A47L2201/026Refilling cleaning liquid containers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/04Automatic control of the travelling movement; Automatic obstacle detection
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/06Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D2105/00Specific applications of the controlled vehicles
    • G05D2105/10Specific applications of the controlled vehicles for cleaning, vacuuming or polishing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/42Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data with electronic devices having internal batteries, e.g. mobile phones
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82Control of state of charge [SOC]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82Control of state of charge [SOC]
    • H02J7/825Detection of fully charged condition

Definitions

  • the invention relates to a cleaning robot, a control method thereof, and a cleaning robot system.
  • a floor cleaning robot (hereinafter also referred to as a mopping robot) is one of the cleaning robots.
  • a mopping robot has both mopping and mopping functions.
  • a mopping robot not only has a roller brush for sweeping and absorbs dust, but also a mopping component to wipe the cleaned ground and further improve the ground. Cleanliness.
  • a mopping robot only has a mopping function.
  • a mop cleaning component is a mopping component and wipes the ground.
  • Existing mopping robots generally use a mop to mop the floor.
  • the mop is connected to the mop floor or the machine body, and the hard floor is cleaned with a wet mop, or it can be performed without mopping the mop. Dry mopping.
  • the longer the mop is used for mopping the floor the worse the cleaning effect will be, and more and more stains will adhere to the rag. For this reason, users will have to frequently remove, clean, and replace with clean rags. For users, such artificially involved work will reduce the robot's automated operation experience.
  • the present invention provides a cleaning robot, comprising: a housing; a mobile module installed in the housing and configured to drive the cleaning robot to move; a control module configured to control the mobile module to drive the cleaning robot to move;
  • the cleaning robot is configured to install a wiping unit, and when the cleaning robot moves on the work surface, the wiping unit can directly or indirectly contact the work surface to wipe the work surface to perform the cleaning work;
  • the cleaning robot includes a work execution state, A cleaning robot performs a cleaning job in a work execution state.
  • the cleaning robot further includes a maintenance state, and the cleaning robot can switch from the work execution state to the maintenance state; the cleaning robot switches from the work execution state to During the maintenance state, the control module controls the cleaning robot to move from the work execution position corresponding to the work execution state to the maintenance position corresponding to the maintenance state; the control module is configured to change the contact state of the wiping unit and the work surface so that The cleaning robot from Performing said work position to the maintenance position during at least a portion, at least part of the state of the wiping unit is not in contact with the working surface, the working surface in contact with at least part of the state of the execution state work.
  • the maintenance state includes a replenishment state
  • the maintenance position includes a location of a base station providing the replenishment.
  • the cleaning robot is powered by a battery to move and / or work.
  • the recharge state includes a charging state for charging the battery, and the base station includes a charging station.
  • the control module controls the cleaning robot to switch states.
  • the cleaning robot can automatically remove dirt accumulated on the work surface by the wiping unit, and the maintenance state includes a dirt removal state.
  • the wiping unit is removably installed on the cleaning robot, and the dirt removal state includes an operation of removing the wiping unit and / or installing the wiping unit; and the maintenance position includes removal and / or Location of the base station where the wiping unit is installed.
  • the control module controls the switching state of the cleaning robot.
  • the wiping unit can be removably installed with a wiping material, and the wiping unit indirectly contacts the work surface through the wiping material when wiping the work surface.
  • the maintenance state includes a standby state
  • the maintenance position includes a location of a base station where the cleaning robot is docked.
  • the cleaning robot includes a lifting mechanism
  • the control module is further configured to control the lifting mechanism to lift the wiping unit
  • the changing the contact state of the wiping unit with the work surface includes: the control module controls the lifting mechanism to lift Wipe the unit so that it does not touch the work surface.
  • the wiping unit includes a wiping plane for wiping a work surface.
  • the lifting mechanism lifts the wiping unit, the lifting mechanism lifts the wiping plane from a first height position contacting the work surface to non-contact. The second height position of the work surface.
  • the lifting mechanism includes a lifting mechanism or a swing mechanism.
  • the cleaning robot includes a rotation mechanism
  • the control module is further configured to control the rotation mechanism to rotate the wiping unit
  • the changing the contact state of the wiping unit and the work surface includes: the control module controls the rotation of the rotation mechanism
  • the wiping unit changes the portion of the wiping unit that is in contact with the work surface.
  • control module controls the rotating mechanism to drive the wiping unit to rotate, so that the part of the wiping unit that contacts the work surface in the work execution state is far from the work surface, so that it does not contact the work surface in the work execution state. Partially close to the work surface.
  • the wiping unit includes a rotation axis, and a wiping surface for wiping the working surface of the wiping unit is formed as a curved surface around the rotation axis, and the rotation mechanism drives the wiping unit to rotate around the rotation axis, To change the portion of the curved surface that is in contact with the work surface.
  • At least a part of the wiping unit is kept in a state of not contacting a work surface.
  • the cleaning robot when the cleaning robot is in a maintenance state, and / or before the cleaning robot leaves the maintenance position after completing the maintenance, at least a part of the wiping unit is maintained in a state of not contacting a work surface.
  • the cleaning robot is powered by a battery to move and / or work, and the maintenance status includes a charging status for charging the battery;
  • the wiping unit is removably installed on the cleaning robot, and the cleaning When the robot is in a charging state, the cleaning robot is in a state in which the wiping unit is removed.
  • At least a part of the wiping unit is kept in a state of not contacting the work surface.
  • the cleaning robot receives information from a user, and the control module controls the switching state of the cleaning robot according to the information from the user.
  • the cleaning robot includes a wireless signal receiving unit to remotely receive information from a user through the wireless signal receiving unit; or the cleaning robot includes an operation unit to receive information from the user locally through the operation unit.
  • the cleaning robot includes a surface detection sensor, which is electrically connected to the control module, and is used to detect whether the surface in the moving direction of the cleaning robot needs to perform cleaning work; the control module is further configured to, when the surface detection sensor When it is detected that the surface in the moving direction of the cleaning robot does not need to perform cleaning work, controlling the cleaning robot to exit the work execution state; the exit work execution state includes: at least part of the wiping unit is not in contact with the surface that does not need to perform cleaning work The state of at least part of the state of work execution is the state of contacting the work surface.
  • the exiting work execution state further includes: moving a cleaning robot over the surface that does not need to perform cleaning work.
  • the surface detection sensor includes a carpet detection sensor for detecting whether a carpet exists in a moving direction of the cleaning robot, and if the carpet is detected, the control module controls the cleaning robot to exit the work execution state.
  • the present invention also provides a cleaning robot system, including the cleaning robot according to any one of the above, and a base station, where the base station provides maintenance for the cleaning robot.
  • the present invention also provides a control method of a cleaning robot.
  • the cleaning robot includes a housing, a mobile module, and a control module; the control module is configured to control the mobile module to drive the cleaning robot to move; the cleaning robot is configured to A wiping unit is installed. When the cleaning robot moves on the work surface, the wiping unit can wipe the work surface to perform the cleaning work.
  • the control method includes the steps of controlling the cleaning robot to perform the cleaning work; judging whether the maintenance conditions are satisfied; Conditions, controlling the cleaning robot to move from the position where the work is performed to the maintenance position; changing the contact state of the wiping module with the work surface, so that at least part of the cleaning robot moves from the position where the work is performed to the maintenance position
  • the state of not contacting the work surface is at least partly the state of contacting the work surface in the work execution state.
  • determining whether the maintenance condition is satisfied includes: the cleaning robot determines whether the maintenance condition is satisfied according to detection of its own parameter, or the cleaning robot determines whether the maintenance condition is satisfied according to the reception of external information.
  • the external information includes information from a user.
  • the maintenance condition includes that at least one of the following parameters reaches a preset value: the battery power of the cleaning robot, or the working time, or the working area, or the degree of pollution of the wiping module.
  • the changing the contact state of the wiping module with the working surface includes: lifting the wiping module so that the wiping module does not contact the working surface; or rotating the wiping module to change a portion of the wiping module that is in contact with the working surface.
  • the above embodiment has the beneficial effect that the wiping unit does not pollute the work surface during the process of the cleaning robot returning to the base station, thereby making the cleaning robot work cleaner.
  • the present invention also provides a cleaning robot system, the cleaning robot system includes a cleaning robot; the cleaning robot includes: a housing; a mobile module installed in the housing and configured to drive the cleaning robot to move; a control module, Configured to control the mobile module to drive the cleaning robot to move; the cleaning robot is configured to install a wiping unit, and when the cleaning robot moves on a work surface, the wiping unit can wipe the work surface to perform cleaning work; the cleaning The robot includes a work execution state, and the cleaning robot performs cleaning work under the work execution state.
  • the cleaning robot further includes a maintenance state, and the cleaning robot can switch from the work execution state to the maintenance state; the control module is further configured To trigger the cleaning robot to switch from the work execution state to the maintenance state; the cleaning robot can receive information from a user, and the control module triggers the state switching according to the information from the user.
  • the cleaning robot includes a first communication unit, and the first communication unit includes a wireless signal receiving unit, and the cleaning robot remotely receives information from a user through the wireless signal receiving unit; or, the cleaning The robot includes an operation unit through which the cleaning robot receives information from a user locally.
  • the cleaning robot system further includes a base station for providing maintenance for the cleaning robot;
  • the cleaning robot includes a first communication unit that is electrically connected to the control module; the base station includes a second communication unit that communicates with the first communication unit of the cleaning robot; the base station can receive information from a user, so The cleaning robot acquires the information from the user based on the communication between the second communication unit and the first communication unit, and the control module of the cleaning robot triggers the state switching based on the information acquired by the first communication unit.
  • the above embodiment has the beneficial effects that the user can trigger the cleaning robot to return to the base station for maintenance, the user operation is more convenient, and the control of the robot is more flexible.
  • the present invention also provides a cleaning robot system including a cleaning robot and a base station;
  • the cleaning robot includes: a housing; a mobile module installed in the housing and configured to drive the cleaning robot to move; a control module configured to control The mobile module drives the cleaning robot to move;
  • the cleaning robot is configured to install a wiping unit, and when the cleaning robot moves on a work surface, the wiping unit can wipe the work surface to perform cleaning work;
  • the cleaning robot further includes In a maintenance state, the base station provides maintenance for the cleaning robot;
  • the wiping unit is removably mounted on the cleaning robot, and the maintenance state includes an operation of removing and / or installing a wiping unit;
  • the control module further It is configured to control the cleaning robot to remove the wipe unit and / or install the wipe unit; and the base station is configured to recycle the removed wipe unit and provide a wipe unit for installation.
  • FIG. 1 is a structural diagram of a cleaning robot system according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of the cleaning robot system shown in FIG. 1.
  • 3 (a) and 3 (b) are schematic diagrams of the cleaning robot shown in FIG.
  • 4 (a) and 4 (b) are schematic diagrams of lifting the wiping unit according to an embodiment of the present invention.
  • 5 (a) and 5 (b) are schematic diagrams of lifting the wiping unit according to another embodiment of the present invention.
  • 6 (a) and 6 (b) are schematic diagrams of rotation of a wiping unit according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of state switching of a cleaning robot according to an embodiment of the present invention.
  • FIGS. 8 (a)-(f) are schematic diagrams when a cleaning robot encounters a carpet according to an embodiment of the present invention.
  • FIGS. 9 (a)-(e) are schematic diagrams when a cleaning robot meets a threshold in an embodiment of the present invention.
  • FIGS. 10 (a)-(f) are schematic diagrams when a cleaning robot encounters a threshold in another embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a base station according to an embodiment of the present invention.
  • FIGS. 12 (a)-(i) are schematic diagrams of a cleaning robot replacing a wiping unit in an embodiment of the present invention.
  • FIG. 1 is a structural diagram of a cleaning robot system according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of the cleaning robot system shown in FIG. 1.
  • the cleaning robot system includes a cleaning robot and a base station.
  • 3 (a) and 3 (b) are schematic diagrams of the cleaning robot of this embodiment.
  • the cleaning robot includes a housing; a mobile module installed on the housing for driving the cleaning robot to move, the mobile module includes a wheel set; a control module configured to control the mobile module to drive the cleaning robot to move; the cleaning robot also
  • the cleaning module includes a wiping module, which is installed on the housing. When the cleaning robot moves on the work surface, the wiping module can perform cleaning work.
  • the wiping module is configured to mount the wiping unit 12 such that the wiping unit directly or indirectly contacts the work surface to wipe the work surface, thereby performing cleaning work.
  • the working surface includes the ground, such as a floor, a floor tile, and the like.
  • the cleaning robot further includes a driving unit, which provides a driving force for the movement and / or work of the cleaning robot.
  • the driving unit includes a motor. In this embodiment, it is specifically a motor, including a first motor that drives the mobile module to move. It includes a second motor that drives the movement of the wiping module.
  • the moving module and the wiping module can also share a motor.
  • the motor that drives the movement of the moving module drives the wiping module to move through a transmission mechanism.
  • the cleaning robot further includes an energy module, which provides energy for the cleaning robot to move and / or work.
  • the energy module includes a battery pack.
  • the control module includes hardware, or software, or a combination of hardware and software.
  • the control module may include a control circuit board and / or a program stored therein.
  • the wiping unit is detachably mounted on the wiping module.
  • the wiping module includes a mounting bracket, which is matched with the wiping unit, so that the wiping unit is fixed to the cleaning robot.
  • the wiping unit and the mounting frame can be connected by magnetic attraction, or can be connected by a mechanical structure such as a snap.
  • the wiping module may further include a driving unit, a movable mechanism, and the like.
  • the driving unit may be a part of the moving mechanism.
  • the driving unit drives the movable mechanism to drive the wiping unit to perform cleaning work, or to change the position and posture of the wiping unit.
  • the specific scheme will be described in detail below.
  • the moving mechanism may include a lifting mechanism, a rotating mechanism, and the like, as described below.
  • the wiping unit may be provided with a removable wiping material, such as a disposable cleaning paper or a cleaning cloth, or a material such as a cleaning cloth that can be washed and reused.
  • the wiping material is attached to the wiping unit by sticking or clamping.
  • the wiping unit is indirectly in contact with the work surface through a wiping material.
  • the wiping material can effectively remove dirt, stains and other dirt on the work surface, and can attach dirt to collect the wiped dirt.
  • the wiping unit itself contains a wiping material, which can directly clean the working surface.
  • the wiping unit itself includes a mop.
  • the cleaning robot system also includes a base station for the cleaning robot to dock and provide maintenance.
  • the base station replenishes power to the battery pack of the cleaning robot, and the cleaning robot can automatically return to the base station to replenish power.
  • the base station includes a power supply module and a charging interface. The cleaning robot returns to the base station to dock with the base station, and the charging interface of the cleaning robot is docked with the charging interface of the base station, triggering the base station to start charging, thereby entering the charging state. After the charging is completed, the cleaning robot exits the base station and resumes the work execution state.
  • the base station can also provide other supplies for the robot, such as water or cleaning fluid for the robot's water tank. The supply process is similar to the charging process.
  • the maintenance provided by the base station for the cleaning robot includes removing dirt.
  • the cleaning robot can automatically return to the base station to remove the dirt accumulated on the work surface by the wiping unit, including removing the wiping unit itself.
  • the wiping unit is removably mounted on the cleaning robot. The cleaning robot can automatically return to the base station to replace the wiping unit.
  • the base station recycles the old wiping unit removed from the cleaning robot and / or provides a new wiping unit for the cleaning robot.
  • the base station can also provide other maintenance for the cleaning robot, such as cleaning, for example, for the cleaning robot to stand by and wait.
  • the cleaning robot includes a maintenance state in addition to a work execution state.
  • the work execution state is a state in which the cleaning robot performs a cleaning job
  • the maintenance state includes the above-mentioned states of charging, replacing the wiping unit, and the like.
  • the cleaning robot can switch from the work execution state to the maintenance state, and of course, it can also switch from the maintenance state to the work execution state.
  • the cleaning robot according to the embodiment of the present invention can automatically return to the base station to complete maintenance, including charging and replacing the wiping unit, which eliminates frequent user intervention, improves the robot's intelligence, and realizes automatic maintenance-free.
  • the cleaning unit During the cleaning robot's return to the base station for maintenance, the cleaning unit has been contaminated during the cleaning work, and a lot of dirt has accumulated. The contaminated cleaning unit continues to contact the work surface, which is likely to cause a second Sub-contamination or cross-contamination, especially when the returning work surface has been cleaned, or the robot frequently returns to the base station due to maintenance, or the robot returns to the base station and needs to pass through different types of work areas (such as kitchens, bathrooms , Bedroom, living room, etc.), the above problems are particularly obvious.
  • the control module controls the cleaning robot to move from the work execution position corresponding to the work execution state to the maintenance position.
  • the work execution position is, for example, a position where work execution is interrupted
  • the maintenance position is, for example, a position of the base station.
  • the control module is configured to change the contact state between the wiping unit and the work surface, so that at least part of the cleaning robot moves from the work execution position to the maintenance position, at least part of the wiping unit is not in contact with the work surface.
  • the state is the state in contact with the work surface.
  • the part of the cleaning unit that has been cleaned no longer touches the working surface, so that the working surface returned by the cleaning robot will not be contaminated by the cleaning unit
  • Secondary pollution or cross-contamination prevents the return of the cleaning robot to the base station, especially the frequent return to the base station.
  • the impact on the cleanliness of the work surface can improve the cleaning effect of the cleaning robot and optimize the user experience.
  • the cleaning robot includes a lifting mechanism, and the control module is configured to control the lifting mechanism to lift the wiping unit 12.
  • the control module controls the lifting mechanism to lift the wiping unit so that the wiping unit is not in contact with the work surface after being lifted, as shown in FIG. 4 (b).
  • the wiping unit is lifted from a lower first height position relative to the work surface to a second height position higher than the work surface.
  • the lifting mechanism may lift the wiping unit by lifting a mounting bracket connected to the wiping unit, and the lifting mechanism may perform a lifting action by driving by a driving unit and / or a transmission mechanism.
  • the lifting mechanism can also restore the raised wiping unit to the state of contact with the work surface. After the wiping unit is lifted, it no longer touches the working surface, so the dirt accumulated by the wiping unit during the return of the cleaning robot to the base station will not cause pollution to the working surface. Therefore, the cleaning robot can better clean the working surface.
  • the lifting mechanism can include a lifting mechanism to move the wiper unit up and down in a vertical direction, or a swing mechanism.
  • a lifting mechanism to move the wiper unit up and down in a vertical direction, or a swing mechanism.
  • the lifting mechanism can include a cam mechanism, a gear mechanism, Lever mechanism, telescopic mechanism, etc.
  • the lifting mechanism is specifically a lifting mechanism 14, which drives the wiping unit to lift or lower in the vertical direction.
  • the lifting mechanism is specifically a swing mechanism 16.
  • the moving gear meshes with the fixed gear and rotates around the gear.
  • the swing lever follows the moving gear to rotate the wiping unit in the vertical position. Rotating in a straight plane, the posture of the wiping unit changes, and is lifted from a first height position contacting the work surface to a second height position not contacting the work surface.
  • the wiping unit includes a wiping plane for wiping the work surface.
  • the wiping unit may specifically be a wiping plate.
  • the front and rear edges of the wiping plate are inclined or bent upward.
  • the bottom and the periphery of the wiping plate may be covered with a removable wiping material.
  • the cleaning robot includes a rotation mechanism
  • the control module is configured to control the rotation mechanism to rotate the wiping unit, thereby changing a portion of the wiping unit that contacts the work surface.
  • the specific design of the rotation mechanism may be a mechanism design commonly used by those skilled in the art, and will not be described again.
  • the wiping unit includes a rotation shaft.
  • the wiping surface of the wiping unit for wiping the work surface is formed as a curved surface around the rotation axis, and the rotating mechanism drives the wiping unit to rotate about the rotation axis to change a portion where the curved surface contacts the work surface.
  • the wiping unit is cylindrical, the centerline of the cylinder is the rotation axis, and the side surface of the cylinder is the wiping surface.
  • Figures 6 (a) and (b) show the cross section of the cylinder.
  • a point is a point on the wiping surface that can perform cleaning work when it comes in contact with the work surface.
  • the wiping unit is in a state shown in FIG. 6 (a), and the area A on the wiping surface is in contact with the work surface to perform the cleaning work.
  • the control module controls the rotating mechanism to rotate the wiping unit so that it rotates in the state shown in FIG. 6 (b), and in the state shown in FIG.
  • the wiping unit The area A on the surface does not contact the work surface, and the area B on the wiping surface contacts the work surface.
  • the cleaning work has not been performed on the area B. That is, by rotating the wiping unit, the part of the wiping unit (area A) that contacts the work surface in the work execution state is kept away from the work surface, and the part of the wiping unit (area B) that is not in contact with the work surface in the working state is approached Working surface.
  • the area A where the cleaning work has been performed no longer touches the work surface, it will not cause contamination to the work surface, and since the area B has not been cleaned, the area B does not touch the work surface.
  • the angle of the rotating mechanism to rotate the wiping unit only needs to ensure that the area A no longer touches the work surface, that is, the part contacting the work surface in the work execution state no longer touches the work surface and rotates.
  • the mechanism can rotate the wiping unit by 30 degrees, or 90 degrees, or 180 degrees, or any other angle that meets the above conditions. Since the wiper unit may also change the part in contact with the work surface during the cleaning process, it is also necessary to ensure that the part in contact with the work surface during the return process after the wiper unit is rotated is the part that has not been cleaned.
  • the control module can make the above judgment by recording the angle rotated during the work, or detecting the degree of contamination of the wiping surface by a sensor.
  • the wiping unit is kept in a state of not contacting the work surface.
  • the wiping unit is always in an elevated state and does not touch the work surface. The return to the base station will not cause pollution to the work surface.
  • the cleaning robot when the cleaning robot is in a maintenance state, at least a part of the wiping unit is kept in a state of not contacting the work surface, where the work surface includes a base station surface.
  • the wiping unit when the cleaning robot is in a charging state, the wiping unit is kept in an elevated state and does not touch the working surface, so that the wiping unit does not contaminate the base station surface.
  • the base station when the wiping unit is in a wet state, the base station will not be corroded or damaged due to the wet contact of the wiper unit during the charging process, and it will not cause accidents or damage due to the charging interface being wet.
  • the wiping unit is removably mounted on the cleaning robot.
  • the cleaning robot When the cleaning robot is in a charging state, the cleaning robot is in a state of removing the wiping unit.
  • the cleaning robot first removes the wiping unit, and then recharges it, which can also prevent the robot from contaminating or damaging the base station during the charging process.
  • the cleaning robot there are multiple options for the cleaning robot to replace the wiping unit and the charging sequence. Other sequences can also be used, such as installing a new wiping unit before charging.
  • the wiping unit on the base station is in a lifted state and does not touch the surface of the base plate of the base station.
  • the pollution and damage of the base station will not be described again.
  • the wiping unit is also in a lifted state.
  • At least part of the wiping unit is kept in a state of not contacting the work surface.
  • the wiping unit can be maintained in the above state, and cross-contamination can be avoided.
  • the cleaning robot automatically triggers the operation of back to base station maintenance. For example, when the cleaning robot detects that the battery pack power is lower than the preset voltage, or the working time is longer than the preset time, and determines that the cleaning robot needs to return to the base station to add power, the control module controls the switching state of the cleaning robot and controls the cleaning robot to execute from the current job The location is moved towards the base station to supplement the power, and the characteristics during the movement are as described above. As another example, when the cleaning robot detects that a preset condition for removing dirt is satisfied, the control module controls the cleaning robot to switch states.
  • the above preset conditions are, for example, that the area where the wiping unit has worked exceeds a preset value, or the working time exceeds a preset value, or the sensor detects that the degree of pollution of the wiping unit exceeds a preset value. Then the cleaning robot returns to the base station to replace the wiping unit.
  • the cleaning robot may be the need to replenish liquids.
  • the cleaning robot is manually triggered back to the base station for maintenance operations. That is, the cleaning robot receives information from the user, and the control module controls the cleaning robot to switch states according to the information from the user. For example, the user sends information instructing to return to the base station to charge or remove dirt, the cleaning robot triggers a state switch after receiving this information, returns to the base station to charge or replace the wiping unit.
  • the cleaning robot includes an operation unit electrically connected to the control module, and the cleaning robot receives information from the user locally through the operation unit.
  • the user can directly operate on the cleaning robot, for example, press the corresponding button to trigger the switching state of the cleaning robot.
  • the control module triggers the cleaning robot to switch states according to the signal received by the operation unit, and controls the cleaning robot to return to the base station for maintenance.
  • the cleaning robot includes a first communication unit electrically connected to the control module, and the first communication unit includes a wireless signal receiving unit to remotely receive information from a user.
  • the first communication unit includes communication devices such as Bluetooth, WIFI, or a cellular network, and can directly or indirectly communicate with a user's mobile phone, a smart device such as a PAD, and receive information sent by the user device.
  • the cleaning robot receives corresponding information sent by the user equipment through the first communication unit, and the control module triggers the cleaning robot to switch states according to the information received by the first communication unit.
  • the base station includes a second communication unit that communicates with the first communication unit of the cleaning robot.
  • the base station can receive information from the user, and the cleaning robot obtains information from the user based on the communication between the second communication unit and the first communication unit.
  • the control module of the cleaning robot triggers the switching state of the cleaning robot based on the information obtained by the first communication unit.
  • the second communication unit of the base station and the first communication unit of the cleaning robot may be the same type or different types, and communication may be implemented directly or indirectly.
  • the way in which the base station receives information from the user may be that the user directly operates the keys on the base station, or it may be in other ways.
  • the operation of returning the cleaning robot to the base station may also be automatically triggered by the base station. For example, when the base station detects that the time for the cleaning robot to perform work reaches a preset value, it sends a signal to notify the cleaning robot to return to the base station for maintenance.
  • the cleaning robot includes a surface detection sensor, which is electrically connected to the control module, and is used to detect whether the surface in the moving direction of the cleaning robot needs to perform cleaning work; the control module is further configured to, when the surface detection sensor detects the moving direction of the cleaning robot When the upper surface does not need to perform cleaning work, control the cleaning robot to exit the work execution state.
  • the surface detection sensor includes a carpet detection sensor. When the carpet detection sensor detects that the robot is under or in front of the robot, the control module controls the cleaning robot to exit the work execution state. The carpet is easy to be contaminated by the dirty wiping unit, and it will cause greater resistance to the wiping unit.
  • Controlling the cleaning robot to exit the work execution state on the carpet can prevent the carpet from being contaminated and the robot's operation failure.
  • carpet detection sensors such as ultrasonic, laser, infrared, radar, etc. The detection principles and methods are not repeated here.
  • the above-mentioned surfaces that do not need to perform cleaning work may also include other types of surfaces.
  • exiting the work execution state includes: leaving at least part of the wiping unit in a state where it does not contact the surface that does not need to perform cleaning work, and at least part of the work execution state is a state in which it contacts the work surface.
  • the exiting work execution state also includes: moving the cleaning robot on the surface that does not need to perform the cleaning work. Specifically, controlling the cleaning robot to continue to move in the moving direction before the exiting work execution state, so that the cleaning robot is in a state where the cleaning work is not performed. Down through the surface.
  • the lifting mechanism For a specific manner of changing the contact state between the wiping unit and the work surface, refer to the lifting mechanism described above. The lifting mechanism lifts the wiping unit so that the wiping unit does not contact the work surface.
  • FIG. 7 is a flowchart of a cleaning robot switching from a work execution state to a maintenance state according to an embodiment. As shown in FIG. 7, in this embodiment, the state switching includes steps:
  • S2 determine whether the maintenance conditions are met; if the maintenance conditions are met, proceed to S3;
  • S4 Control the cleaning robot to move from the position where the work is performed to the maintenance position.
  • the contact state of the wiping unit and the work surface is controlled to be changed, and then the cleaning robot is controlled to start returning to the base station, so that at least part of the wiping unit remains non-contact during the entire process of the cleaning robot returning to the base station The state of the work surface.
  • the cleaning robot may be started to return to the base station first, and then the contact state of the wiping unit and the work surface may be controlled and changed. S3 and S4 may be parallel steps.
  • the step of changing the contact state between the wiping unit and the work surface may be:
  • the steps after controlling the cleaning robot to move to the maintenance position include:
  • the step of determining whether the maintenance condition is satisfied includes: the cleaning robot determines whether the maintenance condition is satisfied according to detection of its own parameters, or the cleaning robot determines whether the maintenance condition is satisfied according to the reception of external information, wherein the external information includes information from the user.
  • Maintenance conditions include that at least one of the following parameters reaches a preset value: the battery power of the cleaning robot, or the working time, or the working area, or the degree of pollution of the wiping module.
  • steps in this embodiment refer to the description of the above embodiments, including steps when a surface such as a carpet is detected that does not need to be cleaned, and so on.
  • the method further includes steps:
  • a cleaning robot system in another embodiment, includes a cleaning robot and a base station.
  • the basic structure is similar to the above embodiment.
  • the control module is configured to control the cleaning robot to remove the wiping unit and / or install the wiping unit.
  • the cleaning robot can autonomously uninstall and / or install the wiping unit; and the base station is configured to recycle the removed wiping unit and provide a wiping unit for installation, that is, the base station has both the function of recycling the dirty wiping unit and the function of providing a new wiping unit.
  • the cleaning robot system realizes two functions of recycling and providing the wiping unit, and makes the operation of replacing the wiping unit easier.
  • the structure and control of the cleaning robot system can also be combined with the description of the following embodiments.
  • the cleaning robot may be a sweeping and towing machine.
  • a cleaning robot 100 includes a body 10, a walking mechanism, a cleaning mechanism, a dust collection mechanism, a power mechanism, a control mechanism, and a navigation mechanism.
  • the running element of the running mechanism includes a driving wheel 21 and a driven wheel 22 for driving 100 to move. It is understood that the running element may also include a track structure.
  • the cleaning mechanism includes a roller brush 31 and a side brush 32 structure. The roller brush 31 and the side brush 32 adopt a roller brush 31 and a side brush 32 commonly used in the industry to clean debris such as dust on the ground, corners and the like.
  • the dust collecting mechanism includes components such as a dust collecting box, a fan, and the like.
  • the fan generates suction and collects the cleaned dust such as the roller brush 31 and the side brush 32 to the dust collecting box.
  • the power mechanism includes a motor and a transmission structure connected to the motor.
  • the transmission mechanism is connected to the walking mechanism.
  • the motor drives the transmission mechanism to work.
  • the transmission mechanism of the transmission mechanism causes the walking mechanism to move.
  • the transmission mechanism may be a worm gear mechanism, a bevel gear mechanism, and the like.
  • the power mechanism can be provided with two sets of motors, one set of motors can drive the walking mechanism to move, and the other set of motors can drive the cleaning mechanism to work.
  • the power mechanism can also be provided with a set of motors.
  • the walking mechanism and the cleaning mechanism share this set of motors. It is understandable that There is no limit to the number of motors in each group, for example, it can be one or two. Of course, you can also replace the motor with a motor to provide power.
  • the navigation mechanism includes sensors commonly used in the field of cleaning robots such as cliff sensors, side sensors, and tilt sensors, and provides environmental control data to control the work of the cleaning robot 100.
  • the control mechanism is, for example, a controller, which can be an embedded digital signal processor (DSP), a microprocessor (Micro Processor Unit, MPU), an application specific integrated circuit (ASIC), and a programmable logic device.
  • DSP embedded digital signal processor
  • MPU Micro Processor Unit
  • ASIC application specific integrated circuit
  • PLD Programmable Logic Device
  • SOC System on Chip
  • CPU Central Processing Unit
  • FPGA Field Programmable Gate Array
  • the control mechanism may control the work of the cleaning robot 100 according to a preset program or a received instruction. Specifically, the control mechanism can control the walking mechanism to walk in the working area of the cleaning robot 100 according to a preset walking path. While the walking mechanism drives the cleaning robot 100 to walk, the control mechanism controls the cleaning mechanism to work, thereby removing dust in the working area. Remove debris such as crumbs. When the walking mechanism drives the cleaning robot 100 to walk within a preset path and the cleaning mechanism completes its work, the control mechanism may turn off the work of the cleaning mechanism and control the walking of the walking mechanism so that the walking mechanism drives the cleaning robot 100 to leave the work area.
  • the walking path and the docking position of the cleaning robot 100 can be set in the control mechanism in advance and executed by the control mechanism to control the walking mechanism.
  • the cleaning robot 100 further includes a wiping module.
  • the wiping module includes a mounting plate 41 and a movable mechanism.
  • the movable mechanism is, for example, a lifting mechanism.
  • a wiping unit is mounted on the mounting plate 41.
  • a magnetic force is provided on the mounting plate 41.
  • Components, such as magnetic strips or magnetic blocks, can absorb the wiping unit through magnetic force.
  • the lifting mechanism includes a lifting motor and a lifting transmission mechanism.
  • the lifting motor drives the lifting transmission mechanism to drive the mounting plate 41 to rise or fall.
  • the lifting transmission mechanism is, for example, a lifting transmission mechanism formed by cooperation of a rack and a rack.
  • the cleaning robot 100 further includes sensors on the body 10, such as a ground sensor, a tilt sensor, etc., where the ground sensor controls the mounting plate when it detects a change in the ground state.
  • the state of the ground includes the state of the hard ground or the state of the carpet.
  • the control board 41 rises, and when the ground sensor detects that the ground state is the hard state, The control mounting plate 41 is lowered.
  • the inclination sensor detects whether the body 10 has been lifted, so that the control mechanism controls the lifting mechanism to drive the mounting plate 41 to rise or fall.
  • the control plate 41 is controlled to rise, and when the rear portion is detected to be raised, the control plate 41 is lowered.
  • the side on which the roller brush 31 is installed is the front portion of the body 10, and the opposite side is the tail portion of the body 20.
  • the wiping module may be a mopping mechanism, the wiping unit may be a mopping cloth, and the mounting plate 41 may be a mopping floor.
  • the ground sensor or the tilt sensor is installed on the body 10, and the specific position is not limited.
  • the ground sensor or the tilt sensor is installed on the body 10, and the specific position is not limited.
  • it is installed on the front wall or the base of the machine, and the number of sensors includes at least one.
  • the ground sensor When the ground sensor detects that the ground has changed from a hard floor to a carpet state, it sends a signal to the control mechanism.
  • the control mechanism controls the lifting motor to start forward rotation, and the lifting transmission mechanism composed of a rack and pinion will drive the mounting plate 41 to rise. It is also possible to raise the wiping unit connected to the mounting plate 41 and avoid the obstacle caused by the carpet.
  • the ground surface sensor detects that the ground has changed from a carpet state to a hard floor state, it sends a signal to the control mechanism, which controls the lifting motor to reverse, and the lifting transmission mechanism composed of a rack and pinion will drive the mounting plate 41 down. In this way, the wiping unit connected to the mounting plate 41 is also lowered, and returns to the state of contacting the hard floor.
  • the ground sensor includes a current sensor, and the ground state is determined according to the current change detected by the current sensor, for example, the current sensor detects the current change when the roller brush 31 encounters the carpet to determine the ground state.
  • the ground sensor includes a vision sensor, and a ground state is determined according to a ground image change detected by the vision sensor.
  • the lifting transmission mechanism of the mounting plate 41 can also adopt other structural methods, which can achieve the same functional effect.
  • FIG. 8 is an embodiment of the cleaning robot 100 controlling the lifting process of the mounting plate 41.
  • FIG. 8 (a) is an initial state.
  • the cleaning robot 100 is working on a hard floor.
  • the lifting mechanism is not activated and is installed.
  • the board 41 is in close contact with the hard floor.
  • the ground state is detected by a ground sensor.
  • FIG. 8 (b) when the ground sensor detects that the ground in front is an uneven carpet, that is, the cleaning robot 100 is about to contact the carpet.
  • the ground sensor sends a signal to the control mechanism.
  • the control mechanism controls the forward rotation of the lifting motor, which drives the lifting transmission mechanism to start, thereby controlling the mounting plate 41 to drive the wiping unit up; as shown in Figure 8 (d)
  • the lifting mechanism still maintains the mounting plate 41 in the raised position, and only the roller brush 31 mechanism works; as shown in FIG. 8 (e), the cleaning robot 100 ends the work on the carpet and has just entered In the state of working on the hard floor, the mounting plate 41 is still in the rising position at this time; as shown in FIG.
  • the floor sensor detects that the floor has completely changed from the carpet state to the hard floor state, and then the control mechanism controls the lifting motor to reverse and drive
  • the lifting transmission mechanism works to lower the mounting plate 41 to restore the wiping unit to contact with the hard floor.
  • the cleaning robot 100 can overcome the carpet obstacle and re-enter the hard floor to work, and use a wiping unit provided on the mounting plate 41 to clean the hard floor.
  • FIG. 9 is an example of controlling the lifting process of the mounting plate 41 when the cleaning robot 100 meets a threshold.
  • the cleaning robot 100 is working on a hard floor.
  • the lifting mechanism is not activated, and the mounting plate 41 and the hard floor are not activated.
  • the floor is snug.
  • the ground sensor is used to detect the ground state.
  • the ground sensor detects that the ground in front is a raised obstacle.
  • the cleaning robot 100 needs to cross the threshold.
  • the cleaning robot 100 is ready to raise the wiping unit.
  • a signal is sent to the control mechanism.
  • the control mechanism controls the forward rotation of the lifting motor to drive the lifting transmission mechanism to start, thereby controlling the mounting plate 41 to drive the wiping unit up.
  • the cleaning robot 100 drives away from the threshold, a signal is sent to the control mechanism at this time.
  • the control mechanism controls the reversing of the lifting motor to drive the lifting transmission mechanism to start, thereby controlling the mounting plate 41 to drive the wiping unit down, so that the wiping unit is brought back into contact with the hard floor.
  • the cleaning robot 100 can cross the threshold obstacle and re-enter the hard ground work as shown in FIG. 9 (e), and clean the hard ground by using the wiping unit provided on the mounting plate 41.
  • the above lifting process can prevent the dirt on the wiping unit from remaining on obstacles such as thresholds.
  • FIG. 10 is an example of controlling the lifting process of the mounting plate 41 when the cleaning robot 100 meets a threshold.
  • the cleaning robot 100 works on a hard floor.
  • the lifting mechanism is not activated, and the mounting plate 41 and the hard floor are not activated.
  • the floor is snug.
  • the ground sensor is used to detect the state of the ground.
  • the ground sensor detects that the ground in front is a raised obstacle. For example, when the threshold of the cleaning robot 100 passes the threshold, the front of the cleaning robot 100 First, it will be lifted.
  • the tilt sensor senses that the front of the robot 100 is lifted. At this time, a signal is sent to the control mechanism.
  • the control mechanism controls the lift motor to rotate in the forward direction, which drives the lift transmission mechanism to start, thereby controlling the mounting plate 41 to drive the rag up.
  • the tail of the machine When leaving the threshold, the tail of the machine will be lifted, and the tilt sensor will sense that the tail of the robot is lifted. At this time, a signal will be sent to the control mechanism.
  • the control mechanism will control the lift motor to reverse and drive the lift transmission mechanism to start.
  • the wiping unit is restored to the state of contact with the hard floor.
  • the cleaning robot 100 can cross the threshold barrier and re-enter the hard ground to work, and use the wiping unit provided on the mounting plate 41 to clean the hard ground.
  • the above lifting process can prevent the dirt on the wiping unit from remaining on obstacles such as thresholds.
  • the cleaning robot 100 further includes a wiping unit replacement mechanism.
  • the wiping unit replacement mechanism includes a mounting plate 41 and a movable mechanism and an unloading device.
  • the cleaning robot 100 further includes a ground sensor.
  • the mounting plate 41 is provided with a wiper.
  • a unit, such as a mounting plate 41, is provided with a magnet, such as a magnetic stripe or a magnetic block, which can absorb the wiping unit through the action of magnetic force.
  • the movable mechanism is, for example, a lifting mechanism.
  • the lifting mechanism includes a lifting motor and a lifting transmission mechanism.
  • the mounting plate 41 is raised or lowered.
  • the lifting transmission mechanism is, for example, a lifting transmission mechanism formed by cooperation of a rack and a rack.
  • the ground sensor detects a change in the ground state to determine whether it is the wiping unit recovery device 210 and the standby wiping unit storage device 220.
  • the control mechanism controls the unloading device to unload the wiping unit to the wiping unit recovery device 210.
  • the control mechanism controls the lifting mechanism to drive the mounting plate 41 to descend to install a new wiping unit from the wiping unit storage position. It can be understood that the types of sensors detecting the wiping unit recovery device 210 and the backup wiping unit storage device 220 are not limited, and the characteristics of the wiping unit recovery device 210 and the backup wiping unit storage device 220 can be identified for accurate alignment.
  • the ground state includes a hard ground, a wiping unit recovery device 210, and a spare wiping unit storage device 220.
  • the surface states of the three locations are different, and the above locations can be distinguished by the detection of the ground sensor. It is understandable that The characteristics of the wiping unit recovery device 210 and the standby wiping unit storage device 220 may be different. Of course, the characteristics of the two may be the same, and other methods may be used to distinguish them.
  • the type of the ground sensor is not limited, and includes a current sensor. The ground state is determined based on the current change detected by the current sensor. For example, the current sensor detects the current change when the roller brush 31 encounters the wipe unit recovery device 210 and the standby wipe unit storage device 220.
  • the ground sensor includes a vision sensor, and a ground state is determined according to a ground image change detected by the vision sensor.
  • the installation position of the ground sensor is not limited, for example, it is installed on the front wall or the base of the body 10.
  • the number is not limited, including at least one.
  • the elevating transmission mechanism of the mounting plate 41 may also adopt other structural methods, and can achieve the same functional effect.
  • the cleaning robot 100 is provided with a base station 200 for the cleaning robot 100 to return to charging.
  • the wiping unit recovery device 210 and the backup wiping unit storage device 220 are disposed on the base station 200. It can be understood that these two devices are disposed at two positions on the base station 200, and the wiping unit recovery is disposed at the first position of the base station 200.
  • the device 210 is configured to recover the unloaded dirty wiping unit, and the second position of the base station 200 is provided with a backup wiping unit storage device 220 for placing the backup wiping unit.
  • the ground sensor judges that the ground state is the wiper unit recovery device 210 or the spare wiper unit storage device 220 of the base station 200, the wiper unit is replaced. After the wiper unit is replaced and the ground state is judged to be hard, the wiper unit is controlled to resurface the ground. Clean it.
  • the cleaning robot 100 when the cleaning robot 100 uses a wiping unit for cleaning on a hard ground, after receiving the wiping unit replacement instruction, the cleaning robot 100 sends a signal to identify the base station 200.
  • the wipe unit replacement instruction may come from a user ’s instruction.
  • the user operates the wipe unit replacement instruction on the terminal, the cleaning robot 100 receives the instruction, or the user enters an instruction on the body of the cleaning robot 100, such as pressing a replacement button.
  • the instruction may be pressed on the base station 200 and transmitted to the cleaning robot 100 to receive the instruction.
  • the replacement instruction may also be set inside the cleaning robot 100.
  • the program sets a preset condition for the cleaning robot 100 to replace the wiping unit, and meets the preset condition for replacement.
  • the cleaning unit 100 ’s cleaning unit replacement mechanism That is, the wipe unit replacement instruction is received. For example, if the wipe unit of the cleaning robot 100 is set to N, the wipe unit needs to be replaced.
  • the cleaning robot 100 After the cleaning robot 100 recognizes the base station 200, it walks near the base station 200 to prepare for the replacement of the wiping unit, for example, to control the lifting mechanism to drive the mounting plate 41 to rise to drive the wiping unit to rise.
  • the cleaning robot 100 after receiving the wipe unit replacement instruction, the cleaning robot 100 sends a signal to the control mechanism in time, the control mechanism controls the lifting motor to start the forward rotation, and the lifting transmission mechanism composed of a rack and pinion will drive the installation
  • the plate 41 is raised, so that the wiping unit connected to the mounting plate 41 can also be lifted and ready for replacement, so as to prevent the dirty wiping unit from contaminating the ground.
  • the cleaning robot After the cleaning robot recognizes the base station 200 and prepares for the replacement of the wiping unit, it continues to walk and uses the ground sensor to detect the surface of the base station 200, as shown in FIG. 12 (c). That is, the wiping unit recovery device 210.
  • the cleaning robot 100 promptly sends a signal to control the unloading device to start, and removes the stained wiping unit from the mounting plate 41, and falls into the wiping unit recovery device 210 on the base station 200.
  • the unloading device is specifically a sliding rod that moves in the vertical direction. When it slides, it will overcome the magnetic force to disengage the wiper unit from the magnet on the mounting plate 41 and the wiper unit will fall.
  • other structural methods can also be adopted to achieve the same effect.
  • the cleaning robot 100 after the cleaning robot 100 unloads the wiping unit, it continues to walk, and continues to detect the ground with the ground sensor until it walks to the second position of the base station 200, when the wiping unit storage device 220 is spared.
  • the cleaning robot 100 sends a signal to the control mechanism in time, the control mechanism controls the lifting motor to reverse, and the lifting mechanism composed of a rack and pinion will drive the mounting plate 41 to descend, so that The mounting plate 41 is close to the standby wiping unit, and the wiping unit is attached to the mounting plate 41 by the magnetic force of the magnet.
  • the mounting plate 41 rises again to drive the wiping unit up.
  • the lifting position here is different from the lifting position on a hard floor, and the lifting range is smaller than the normal working state. That is, there is a gap between the mounting plate 41 and the base station 200. In this way, after the wiping unit is adsorbed, there is also a gap between the wiping unit and the base station 200, and no friction interference will occur. Or start the lifting mechanism to rise again, and raise the wiping unit to the non-working state position.
  • the cleaning robot 100 After the cleaning robot 100 completes the automatic replacement of the wiping unit, it retracts to leave the base station 200 to work on the hard ground. At this time, as shown in FIG. 12 (i), the ground sensor will detect that the ground is hard. The ground, that is, the control of the lifting mechanism, lowers the mounting plate 41 to return the wiping unit to contact with the hard ground. After the above steps, the cleaning robot 100 completes the automatic replacement operation of the wiping unit, and can perform the cleaning work on the hard ground again.
  • the front of the robot when the cleaning robot is crossing obstacles, for example, the obstacle is a carpet, the front of the robot will first lift, the tilt sensor sends a signal, and the wiping unit is lifted.
  • the rear of the cleaning robot When the cleaning robot drives away from the obstacle, the rear of the cleaning robot will Lift, the tilt sensor sends a signal, and the wiper unit drops; this prevents the dirt on the wiper unit from remaining on the obstacle.
  • the pressure of the wiping unit on the ground is provided by a spring, and a proper pressure will produce a better cleaning effect.
  • the distance of the wiping unit from the center of the robot is greater than the roller brush on at least one side, so that the machine can clean the corners and edge portions of the machine more cleanly.
  • the wiping unit when the robot enters the state of recharging or replacing the wiping unit, the wiping unit needs to be lifted, which can prevent the dirty wiping unit from passing through the area that has been cleaned and causing secondary pollution; after the battery is fully charged or the wiping unit is replaced When you return to the position of the breakpoint, lower the wiper unit and continue working.
  • the wiping unit has two or more states, such as a working state, a lifting state, and a replacement state.
  • a vibration isolating or damping device is needed between the lifting unit of the wiping unit and the robot housing to prevent the vibration of the wiping unit from affecting other functions of the machine, such as visual navigation.
  • the robot can recognize the wipe units with different functions, and then automatically enter different modes, such as: dry wipe mode, wet mop mode, etc., so that cleaning can be better performed;
  • the robot can realize the identification of different wiping units, and then enter the corresponding area to work, such as: kitchen, bathroom, bedroom, etc., so that the corresponding wiping unit can work in the corresponding area.
  • the power proportional relationship between the roller brush driving motor and the vibration motor of the wiping unit is between 1 and 10, and the cleaning effect is better.
  • the proportional relationship between the length of the roller brush and the length of the wiping unit is between 0.5 and 1.0, and the cleaning effect is better.
  • the shape of the sweep-and-trail machine is designed to be D-shaped, which can make the corner cleaning effect better, and it will not affect the machine's ability to escape.
  • roller brush and the wiping unit are located on the same side of the robot, so that the wiping unit can be as long as possible, and the corner cleaning effect is better.
  • the ratio between the contact area of the wiping unit and the ground and the area of the robot chassis is greater than 0.2, so that the cleaning effect is better and the cleaning efficiency is higher.
  • connection between the wiping unit and the mounting plate relies on a magnet, which can facilitate the replacement of the wiping unit.
  • the volume ratio of the volume of the dust box to the volume of the water tank is between 2-4, which can ensure sufficient battery life and keep the weight and size of the robot in a suitable range.
  • the wiping unit is in a vibrating state during operation, the water tank is stationary relative to the robot, and the water of the water tank is injected into the wiping unit through a deformable pipe.
  • the robot is divided into two modes: sweeping and mopping.
  • sweeping mode the wiping unit is lifted up.
  • mopping mode the rotation speed of the roller brush is lower than the normal working speed, or the sound is in a user-available size. Acceptable range, below 30db.
  • the walking speed of the robot in the mopping state should be less than or equal to the walking speed of the machine in the mopping state, which can make the mopping effect better.
  • sweeping and mopping cannot work at the same time, and the switching between the two functions is done by the robot itself, so it does not require human intervention and is more intelligent.
  • At least one side edge of the wiping unit exceeds the contour of the robot, and both sides of the roller brush cannot exceed the contour of the machine, so that the corner cleaning effect is better.
  • the wiping unit when the wiping unit needs to be replaced, the wiping unit is automatically replaced through the cooperation of the provided wiping unit replacement device, the wiping unit recovery device, and the spare wiping unit storage device. , Improve the user's automation experience, while the replacement method is simple and fast.
  • the wiping unit recovery device and the backup wiping unit storage device provided by the present invention realize the multifunctional reuse of the base station and save the occupied area.
  • the cleaning robot and the cleaning method of the embodiment of the present invention when encountering changes in the ground, for example, when encountering obstacles such as carpets or thresholds, the wiper unit is driven to rise and fall by the provided automatic lifting mechanism, thereby avoiding the mopping robots from moving on the carpets.
  • the problem that the raised obstacles such as flat surfaces or sills work jams provides favorable operation control for crossing obstacles such as carpets and sills.

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Abstract

一种清洁机器人(100),包括:壳体;移动模块;控制模块,控制移动模块带动清洁机器人(100)移动;清洁机器人(100)在工作表面移动时,擦拭单元(12)能够直接或间接与工作表面接触以擦拭工作表面;清洁机器人(100)包括工作执行状态和维护状态,清洁机器人(100)从工作执行状态切换为维护状态的过程中,控制模块控制清洁机器人(100)从工作执行状态对应的工作执行位置移动至维护状态对应的维护位置,清洁机器人(100)从工作执行位置移动至维护位置的至少部分过程中,擦拭单元(12)的至少部分为不接触工作表面的状态。

Description

清洁机器人及其控制方法、清洁机器人系统
交叉参考相关引用
本申请要求2018年6月8日递交的申请号为201810590281.9、发明名称为“智能拖地机器人、智能拖地机器人系统及清洁方法及其基站”,以及2018年6月8日递交的申请号为201810588911.9、发明名称为“智能拖地机器人及其清洁方法”两个中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种清洁机器人及其控制方法,以及清洁机器人系统。
背景技术
随着用户的需求多样化,现有的清洁机器人种类增多,擦地机器人(下文也称拖地机器人)是清洁机器人中的一种。一种拖地机器人同时具备扫地和拖地功能,例如,一拖地机器人除了具备扫地用的滚刷并进行尘屑吸收外,还具备拖地组件以对清扫后的地面进行擦拭,进一步提升地面的清洁度。一种拖地机器人仅具备拖地功能,例如,一拖地机器人的清洁组件为拖地组件,对地面进行擦拭。
现有的拖地机器人一般采用抹布进行拖地作业,具体是将抹布连接在拖地板上或者是连接机器本体上,通过浸湿的抹布清洁硬地面,也可以在不浸湿拖布的情况下进行干拖。不可避免的是,抹布随着拖地的时间越长,其清洁效果越差,越来越多的污渍将附着在抹布上。为此,用户将不得不经常性的将抹布取下、清洗,换上干净的抹布,对于用户而言,这样人为参与的工作会降低机器人的自动化操作体验。
现有的拖地机器人一般采用电池包供电,当电池包电量低于一定阈值时,需要及时为电池包补充电能,以防止电池包过放电损坏并保证机器人的持续工作,用户频繁的介入为机器人充电,会影响用户的使用体验,降低清洁机器人的智能性。
现有室内环境中越来越多的使用地毯等装饰物,拖地机器人移动到地毯上时,其拖地组件与地毯之间形成接触,存在摩擦阻力,容易使地毯受到刮擦或污染的伤害。
因此,必须设计一种新的技术方案以解决上述技术问题。
发明内容
本发明提供一种清洁机器人,包括:壳体;移动模块,安装于所述壳体,配置为带动所述清洁机器人移动;控制模块,配置为控制所述移动模块带动所述清洁机器人移动;所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够直接或间接与工作表面接触以擦拭工作表面,从而执行清洁工作;所述清洁机器人包括工作执行状态,在工作执行状态下清洁机器人执行清洁工作,所述清洁机器人还包括维护状态,所述清洁机器人能够从所述工作执行状态切换为所述维护状态;所述清洁机器人从所述工作执行状态切换为所述维护状态的过程中,所述控制模块控制清洁机器人从工作执行状态对应的工作执行位置移动至维护状态对应的维护位置;所述控制模块配置为改变擦拭单元与工作表面的接触状态,使所述清洁机器人从所述工作执行位置移动至所述维护位置的至少部分过程中,擦拭单元的至少部分为不接触工作表面的状态,所述至少部分在工作执行状态中为接触工作表面的状态。
一实施例中,所述维护状态包括补给状态,所述维护位置包括提供补给的基站所在位置。
一实施例中,所述清洁机器人由电池提供移动和/或工作的能源,所述补给状态包括为电池充电的充电状态,所述基站包括充电站。
一实施例中,所述清洁机器人检测到电池电量低于或工作时间大于预设值时,或者所述清洁机器人接收到补充电能的信息时,控制模块控制清洁机器人切换状态。
一实施例中,所述清洁机器人能够自动排除擦拭单元擦拭工作表面积累的污物,所述维护状态包括污物排除状态。
一实施例中,所述擦拭单元可移除的安装于所述清洁机器人,所述污物排除状态包括移除擦拭单元和/或安装擦拭单元的操作;所述维护位置包括移除和/或安装擦拭单元的基站所在位置。
一实施例中,所述清洁机器人检测到满足排除污物的预设条件,或者接收到排除污物的信息时,控制模块控制清洁机器人切换状态。
一实施例中,所述擦拭单元能够可移除的安装擦拭材料,所述擦拭单元擦拭工作表面时通过擦拭材料间接与工作表面接触。
一实施例中,所述维护状态包括待机状态,所述维护位置包括供清洁机器人停靠的基站所在位置。
一实施例中,所述清洁机器人包括抬升机构,所述控制模块还配置为控制所述抬升 机构抬升所述擦拭单元,所述改变擦拭单元与工作表面的接触状态包括:控制模块控制抬升机构抬升擦拭单元,从而使擦拭单元不接触工作表面。
一实施例中,所述擦拭单元包括擦拭平面,用于擦拭工作表面,所述抬升机构抬升所述擦拭单元时,所述抬升机构将擦拭平面从接触工作表面的第一高度位置抬升为不接触工作表面的第二高度位置。
一实施例中,所述抬升机构包括升降机构或摆动机构。
一实施例中,所述清洁机器人包括旋转机构,所述控制模块还配置为控制所述旋转机构旋转所述擦拭单元,所述改变擦拭单元与工作表面的接触状态包括:控制模块控制旋转机构旋转擦拭单元,从而改变擦拭单元与工作表面接触的部分。
一实施例中,所述控制模块控制所述旋转机构带动擦拭单元旋转,以使擦拭单元的在工作执行状态中接触工作表面的部分远离工作表面,使其在工作执行状态中未接触工作表面的部分接近工作表面。
一实施例中,所述擦拭单元包括旋转轴,所述擦拭单元的用于擦拭工作表面的擦拭面形成为绕所述旋转轴的曲面,所述旋转机构带动所述擦拭单元绕旋转轴旋转,以改变所述曲面与工作表面接触的部分。
一实施例中,所述清洁机器人从所述工作执行位置移动至所述维护位置的过程中,保持所述擦拭单元的至少部分为不接触工作表面的状态。
一实施例中,所述清洁机器人处于维护状态时,和/或所述清洁机器人完成维护后离开所述维护位置之前,保持所述擦拭单元的至少部分为不接触工作表面的状态。
一实施例中,所述清洁机器人由电池提供移动和/或工作的能源,所述维护状态包括为电池充电的充电状态;所述擦拭单元可移除的安装于所述清洁机器人,所述清洁机器人处于充电状态时,所述清洁机器人为移除擦拭单元的状态。
一实施例中,所述清洁机器人恢复所述工作执行状态之前,保持所述擦拭单元的至少部分为不接触工作表面的状态。
一实施例中,所述清洁机器人接收来自用户的信息,所述控制模块根据所述来自用户的信息控制清洁机器人切换状态。
一实施例中,所述清洁机器人包括无线信号接收单元,通过所述无线信号接收单元远程接收来自用户的信息;或者,所述清洁机器人包括操作单元,通过所述操作单元本地接收来自用户的信息。
一实施例中,所述清洁机器人包括表面检测传感器,与控制模块电连接,用于检测 清洁机器人移动方向上的表面是否需要执行清洁工作;所述控制模块还配置为,当所述表面检测传感器检测到清洁机器人移动方向上的表面不需要执行清洁工作时,控制清洁机器人退出工作执行状态;所述退出工作执行状态包括:使擦拭单元的至少部分为不接触所述不需要执行清洁工作的表面的状态,所述至少部分在工作执行状态中为接触工作表面的状态。
一实施例中,所述退出工作执行状态还包括:使清洁机器人在所述不需要执行清洁工作的表面上移动。
一实施例中,所述表面检测传感器包括地毯检测传感器,用于检测清洁机器人移动方向上是否存在地毯,若检测到存在地毯,所述控制模块控制清洁机器人退出所述工作执行状态。
本发明还提供一种清洁机器人系统,包括上述任一项所述的清洁机器人,以及基站,所述基站为所述清洁机器人提供维护。
本发明还提供一种清洁机器人的控制方法,所述清洁机器人包括壳体,移动模块和控制模块;所述控制模块配置为控制所述移动模块带动所述清洁机器人移动;所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够擦拭工作表面以执行清洁工作;所述控制方法包括步骤:控制清洁机器人执行清洁工作;判断是否满足维护条件;若满足维护条件,控制清洁机器人从执行工作的位置移动至维护位置;改变擦拭模块与工作表面的接触状态,使所述清洁机器人从执行工作的位置移动至维护位置的至少部分过程中,擦拭模块的至少部分为不接触工作表面的状态,所述至少部分在工作执行状态中为接触工作表面的状态。
一实施例中,判断是否满足维护条件包括:清洁机器人根据自身参数的检测判断是否满足维护条件,或清洁机器人根据外部信息的接收判断是否满足维护条件。
一实施例中,所述外部信息包括来自用户的信息。
一实施例中,所述维护条件包括以下至少其中之一的参数达到预设值:所述清洁机器人的电池电量,或工作时间,或工作面积,或擦拭模块的污染程度。
一实施例中,所述改变擦拭模块与工作表面的接触状态包括:抬升所述擦拭模块,使擦拭模块不接触工作表面;或旋转所述擦拭模块,以改变擦拭模块与工作表面接触的部分。
上述实施例的有益效果为:清洁机器人回基站的过程中擦拭单元不会对工作表面造成污染,从而使得清洁机器人的工作更干净。
本发明还提供一种清洁机器人系统,所述清洁机器人系统包括清洁机器人;所述清洁机器人包括:壳体;移动模块,安装于所述壳体,配置为带动所述清洁机器人移动;控制模块,配置为控制所述移动模块带动所述清洁机器人移动;所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够擦拭工作表面以执行清洁工作;所述清洁机器人包括工作执行状态,在工作执行状态下清洁机器人执行清洁工作,所述清洁机器人还包括维护状态,所述清洁机器人能够从所述工作执行状态切换为所述维护状态;所述控制模块还配置为触发所述清洁机器人从所述工作执行状态切换为所述维护状态;所述清洁机器人能够接收来自用户的信息,所述控制模块根据所述来自用户的信息触发所述状态切换。
一实施例中,所述清洁机器人包括第一通信单元,所述第一通信单元包括无线信号接收单元,所述清洁机器人通过所述无线信号接收单元远程接收来自用户的信息;或者,所述清洁机器人包括操作单元,所述清洁机器人通过所述操作单元本地接收来自用户的信息。
一实施例中,清洁机器人系统还包括基站,用于为清洁机器人提供维护;
所述清洁机器人包括第一通信单元,与所述控制模块电连接;所述基站包括第二通信单元,与所述清洁机器人的第一通信单元通信;所述基站能够接收来自用户的信息,所述清洁机器人基于所述第二通信单元与所述第一通信单元的通信获取所述来自用户的信息,所述清洁机器人的控制模块基于所述第一通信单元获取的信息触发所述状态切换。
上述实施例的有益效果为:使得用户能够触发清洁机器人回基站进行维护,用户操作更方便,对机器人的控制更灵活。
本发明还提供一种清洁机器人系统,包括清洁机器人和基站;所述清洁机器人包括:壳体;移动模块,安装于所述壳体,配置为带动所述清洁机器人移动;控制模块,配置为控制所述移动模块带动所述清洁机器人移动;所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够擦拭工作表面以执行清洁工作;所述清洁机器人还包括维护状态,所述基站为所述清洁机器人提供维护;所述擦拭单元可移除的安装于所述清洁机器人,所述维护状态包括移除和/或安装擦拭单元的操作;所述控制模块还配置为控制清洁机器人移除擦拭单元和/或安装擦拭单元;且所述基站配置为回收所述移除的擦拭单元以及提供擦拭单元供安装。
附图说明
以上所述的本发明解决的技术问题、技术方案以及有益效果可以通过下面的能够实现本发明的具体实施例的详细描述,同时结合附图描述而清楚地获得。
图1是本发明一实施例的清洁机器人系统结构图。
图2是图1所示清洁机器人系统的模块图。
图3(a)、(b)是图1所示清洁机器人的示意图。
图4(a)、(b)是本发明一实施例的擦拭单元抬升示意图。
图5(a)、(b)是本发明另一实施例的擦拭单元抬升示意图。
图6(a)、(b)是本发明一实施例的擦拭单元旋转示意图。
图7是本发明一实施例的清洁机器人状态切换流程图。
图8(a)-(f)是本发明的一实施例中清洁机器人遇地毯时的示意图。
图9(a)-(e)是本发明的一实施例中清洁机器人遇门槛时的示意图。
图10(a)-(f)是本发明的另一实施例中清洁机器人遇门槛时的示意图。
图11是本发明一实施例的基站示意图。
图12(a)-(i)是本发明一实施例中清洁机器人更换擦拭单元示意图。
具体实施方式
有关本发明的详细说明和技术内容,配合附图说明如下,然而所附附图仅提供参考与说明,并非用来对本发明加以限制。
图1为本发明一实施例的清洁机器人系统结构图。图2为图1所示清洁机器人系统的模块图。本实施例中,清洁机器人系统包括清洁机器人和基站。图3(a)、(b)为本实施例的清洁机器人的示意图。结合图1-图3,清洁机器人包括壳体;移动模块,安装于壳体,用于带动清洁机器人移动,移动模块包括轮组;控制模块,配置为控制移动模块带动清洁机器人移动;清洁机器人还包括擦拭模块,安装于壳体,清洁机器人在工作表面移动时,擦拭模块能够执行清洁工作。擦拭模块配置为安装擦拭单元12,使擦拭单元直接或间接与工作表面接触以擦拭工作表面,从而执行清洁工作。工作表面包括地面,如地板、地砖等。本实施例中,清洁机器人还包括驱动单元,为清洁机器人的移动和/或工作提供驱动力,驱动单元包括马达,本实施例中具体为电机,包括驱动移动模块移动的第一电机,还可以包括驱动擦拭模块运动的第二电机,当然,移动模块与擦拭模块也可以共用电机,例如驱动移动模块移动的电机通过传动机构驱动擦拭模块运动。本实施例中,清洁机器人还包括能源模块,为清洁机器人提供移动和/或工作的能源。具体 的,能源模块包括电池包。本实施例中,控制模块包括硬件,或软件,或硬件与软件的组合,例如,控制模块可以包括控制电路板和/或其所存储的程序。
一实施例中,擦拭单元可拆卸的安装于擦拭模块。擦拭模块包括安装架,与擦拭单元配接,使擦拭单元固定于清洁机器人。擦拭单元与安装架可以通过磁吸附作用连接,也可以通过卡扣等机械结构连接。擦拭模块还可以包括驱动单元,活动机构等。一实施例中,驱动单元也可以是活动机构的一部分。驱动单元驱动活动机构带动擦拭单元活动,以执行清洁工作,或改变擦拭单元的位置、姿态等,具体方案将在下文中详述。活动机构可以包括下文中的抬升机构、旋转机构等。
一实施例中,擦拭单元可移除的安装擦拭材料,擦拭材料例如一次性清洁纸或清洁布,也可以是能清洗并反复使用的清洁布等材料。擦拭材料通过黏贴或夹持安装于擦拭单元。擦拭单元通过擦拭材料间接与工作表面接触。擦拭材料能有效擦除工作表面的灰尘、污渍等污物,并能够附着污物以收集被擦除的污物。一实施例中,擦拭单元本身包含擦拭材料,能够直接对工作表面进行清洁,例如擦拭单元本身包含拖布。
本实施例中,清洁机器人系统除包括上述清洁机器人外,还包括基站,供清洁机器人停靠并提供维护。一实施例中,基站为清洁机器人的电池包补充电能,清洁机器人能够自动回基站补充电能。基站包括供电模块,以及充电接口,清洁机器人回归基站与基站对接,清洁机器人的充电接口与基站的充电接口对接,触发基站开始充电,从而进入充电状态。充电完成后清洁机器人退出基站,恢复工作执行状态。除电能外,基站还可以为机器人提供其他补给,例如为机器人的水箱补给水或清洁液等,补给过程与充电过程类似。
一实施例中,基站为清洁机器人提供的维护包括排除污物。清洁机器人能够自动回基站排除擦拭单元擦拭工作表面积累的污物,包括移除擦拭单元本身。一实施例中,擦拭单元可移除的安装于清洁机器人,清洁机器人能够自动回基站更换擦拭单元,基站回收从清洁机器人移除的旧擦拭单元和/或为清洁机器人提供新擦拭单元。
当然,基站也可以为清洁机器人提供其他维护,例如清洗,又例如供清洁机器人停靠待机,等等。
也就是说,本实施例中,清洁机器人除包括工作执行状态外,还包括维护状态。工作执行状态即清洁机器人执行清洁工作的状态,维护状态包括上述充电、更换擦拭单元等状态。清洁机器人能够从工作执行状态切换为维护状态,当然也能够从维护状态切换回工作执行状态。
本发明实施例的清洁机器人,能够自动回基站完成维护,包括充电、更换擦拭单元等,免除了用户频繁的介入,提高了机器人的智能性,实现了全自动免维护。
清洁机器人在回基站维护的过程中,由于擦拭单元在执行清洁工作的过程中已经被污染,累积了较多污物,被污染的擦拭单元继续接触工作表面,容易对回归经过的工作表面造成二次污染或交叉污染,尤其是回归经过的工作表面已经进行过清洁时,或者是机器人由于维护的需要频繁地回基站时,或者是机器人回基站需要经过不同类型的工作区域时(例如厨房、卫生间、卧室、客厅等),上述问题尤其明显。
本实施例中,清洁机器人从工作执行状态切换为维护状态的过程中,控制模块控制清洁机器人从工作执行状态对应的工作执行位置移动至维护位置。上述工作执行位置例如为工作执行中断的位置,维护位置例如为上述基站的位置。控制模块配置为改变擦拭单元与工作表面的接触状态,使清洁机器人从工作执行位置移动至维护位置的至少部分过程中,擦拭单元的至少部分为不接触工作表面的状态,该至少部分在工作执行状态中为接触工作表面的状态。
也就是说,在清洁机器人回基站维护的至少部分过程中,擦拭单元的已进行过清洁工作的部分不再接触工作表面,这样,清洁机器人回归经过的工作表面不会被已污染的擦拭单元二次污染或交叉污染,避免了清洁机器人回归基站,尤其是频繁回归基站,对工作表面清洁度的影响,能够提高清洁机器人的清洁效果,优化用户体验。
改变擦拭单元与工作表面的接触状态有多种实现方式,下面列举其中几种。
如图4(a)、(b)所示,一实施例中,清洁机器人包括抬升机构,控制模块配置为控制抬升机构抬升擦拭单元12。如图4(a),清洁机器人处于工作执行状态时,擦拭单元与工作表面接触,擦拭单元受到向下的抵压力,与工作表面紧接触,清洁机器人移动的过程中擦拭单元擦拭工作表面,从而执行清洁工作。当需要改变擦拭单元与工作表面的接触状态时,控制模块控制抬升机构抬升擦拭单元,使擦拭单元抬升后处于不接触工作表面的状态,如图4(b)所示。也就是说,擦拭单元从相对工作表面的较低的第一高度位置抬升至相对工作表面较高的第二高度位置。具体的,抬升机构可以通过抬升连接擦拭单元的安装架来抬升擦拭单元,抬升机构可以通过驱动单元和/或传动机构驱动来执行抬升动作。当然,抬升机构也可以使抬升的擦拭单元恢复接触工作表面的状态。当擦拭单元被抬升之后,不再接触工作表面,所以清洁机器人回归基站的过程中擦拭单元累积的污物不会对工作表面造成污染,因此,可以使得清洁机器人对工作表面的清洁效果更好。
抬升机构的实现方式可以有多种,可平移或转动,具体的,可以包括升降机构,使擦拭单元沿竖直方向上下移动,或摆动机构等,具体的,可以包括凸轮机构、齿轮机构、连杆机构、伸缩机构等。例如在图4(a)、(b)所示的示例中,抬升机构具体为升降机构14,带动擦拭单元在竖直方向上抬起或下降。而在图5(a)、(b)所示的示例中,抬升机构具体为摆动机构16,动齿轮与定齿轮啮合并绕动齿轮转动,摆杆跟随动齿轮转动,从而带动擦拭单元在竖直平面内转动,擦拭单元的姿态发生变化,并从接触工作表面的第一高度位置抬升为不接触工作表面的第二高度位置。
参考图4(a)、(b)和图5(a)、(b),擦拭单元包括擦拭平面,用于擦拭工作表面,擦拭单元抬升时,擦拭平面被抬升,擦拭平面不接触工作表面,避免擦拭平面上积累的污物污染工作表面。擦拭单元具体可以为一擦拭板,擦拭板的前缘和后缘向上倾斜或弯曲,参考图5(a)、(b),擦拭板的底部和四周可以包覆可移除的擦拭材料。
一实施例中,如图6(a)、(b)所示,清洁机器人包括旋转机构,控制模块配置为控制旋转机构旋转擦拭单元,从而改变擦拭单元接触工作表面的部分。旋转机构的具体设计可以是本领域技术人员惯用的机构设计,不再赘述。具体的,擦拭单元包括旋转轴,擦拭单元的用于擦拭工作表面的擦拭面形成为绕旋转轴的曲面,旋转机构带动擦拭单元绕旋转轴旋转,以改变曲面与工作表面接触的部分。一实施例中,擦拭单元呈圆柱状,圆柱的中心线即旋转轴,圆柱的侧表面即擦拭面,图6(a)、(b)中示出了圆柱的横截面,横截面边缘上的点即擦拭面上的点,其与工作表面接触时能够执行清洁工作。当清洁机器人处于工作执行状态时,擦拭单元处于图6(a)所示的状态,擦拭面上的A区域与工作表面接触,执行清洁工作。当需要改变擦拭单元与工作表面的接触状态时,控制模块控制旋转机构旋转擦拭单元,使其旋转后处于图6(b)所示的状态,在图6(b)所示的状态中,擦拭面上的A区域不接触工作表面,擦拭面上的B区域接触工作表面,B区域未执行过清洁工作。也就是说,通过旋转擦拭单元,使擦拭单元的在工作执行状态中接触工作表面的部分(A区域)远离工作表面,使擦拭单元的在工作状态中未接触工作表面的部分(B区域)接近工作表面。在清洁机器人回归基站的过程中,由于已执行过清洁工作的A区域不再接触工作表面,因此不会对工作表面造成污染,而由于B区域未执行过清洁工作,因此B区域接触工作表面不会对工作表面造成污染,从而使得清洁机器人的清洁效果更好。改变擦拭单元与工作表面的接触状态时,旋转机构旋转擦拭单元的角度只需保证使A区域不再接触工作表面即可,也即工作执行状态中接触工作表面的部分不再接触工作表面,旋转机构可以使擦拭单元旋转30度,或90度,或180度或 其他任何满足上述条件的角度。由于擦拭单元在执行清洁工作的过程中也可能改变与工作表面接触的部分,因此还需保证擦拭单元旋转后、在回归过程中与工作表面接触的部分为未执行过清洁工作的部分。控制模块可以通过记录工作过程中旋转过的角度,或通过传感器检测擦拭面的污染程度来做上述判断。
一实施例中,清洁机器人从工作执行位置移动至维护位置的过程中,保持擦拭单元的至少部分为不接触工作表面的状态。以图4(a)、(b)所示的实施例为例,清洁机器人从工作执行位置移动至维护位置的过程中,擦拭单元始终处于抬升状态,不接触工作表面,使得清洁机器人中断工作后回归基站的全程均不会对工作表面造成污染。
一实施例中,清洁机器人处于维护状态时,保持擦拭单元的至少部分为不接触工作表面的状态,这里工作表面包括基站底板表面。仍以图4(a)、(b)所示的实施例为例,例如清洁机器人处于充电状态时,保持擦拭单元处于抬升状态,不接触工作表面,如此使得擦拭单元不会污染基站底板表面,而且当擦拭单元处于浸湿状态时,不会因为充电过程中浸湿的擦拭单元持续与基站接触而导致基站腐蚀或损坏,也不会因为充电接口受潮而导致事故或损坏。
一实施例中,所述擦拭单元可移除的安装于清洁机器人,清洁机器人处于充电状态时,清洁机器人为移除擦拭单元的状态。也就是说,清洁机器人先移除擦拭单元,再进行充电,这样同样能够避免机器人在充电过程中擦拭单元对基站的污染或损坏。当然,清洁机器人更换擦拭单元和充电的顺序有多种选择,也可以采用其他顺序,例如先安装新的擦拭单元再充电等等。
一实施例中,清洁机器人完成维护后离开维护位置之前,保持擦拭单元的至少部分为不接触工作表面的状态。仍以图4(a)、(b)所示的实施例为例,即,清洁机器人驶离基站之前,在基站上擦拭单元处于抬升状态,不接触基站底板表面,同样可以更好的避免对基站的污染和损坏,不再赘述。当然,可以理解的是,清洁机器人驶入基站后与基站完成对接前,擦拭单元也处于抬升状态。
一实施例中,清洁机器人恢复工作执行状态之前,保持擦拭单元的至少部分为不接触工作表面的状态。清洁机器人回归基站、维护、以及完成维护后重新进入工作执行状态前的过程中,均可以使擦拭单元保持上述状态,可以避免交叉污染。
一实施例中,清洁机器人自动触发回基站维护的操作。例如,当清洁机器人检测到电池包电量低于预设电压,或者工作时间大于预设时间时,判断清洁机器人需要回基站补充电能,则控制模块控制清洁机器人切换状态,控制清洁机器人从当前工作执行位置 向基站移动,以补充电能,移动过程中的特征如前所述。再如,当清洁机器人检测到满足排除污物的预设条件时,控制模块控制清洁机器人切换状态。上述预设条件例如为擦拭单元已工作的面积超过预设值,或工作时间超过预设值,或由传感器检测到擦拭单元的污染程度超过预设值等。则清洁机器人回基站更换擦拭单元。当然,触发清洁机器人切换状态的还可以是需要补充液体等其他情况。
一实施例中,清洁机器人由人为触发回基站维护的操作。也就是说,清洁机器人接收来自用户的信息,控制模块根据来自用户的信息控制清洁机器人切换状态。例如,用户发送指示回基站充电或排除污物的信息,清洁机器人接收到该信息后触发状态切换,回基站充电或更换擦拭单元。
一实施例中,清洁机器人包括操作单元,与控制模块电连接,清洁机器人通过操作单元本地接收来自用户的信息。用户可以直接在清洁机器人上操作,例如按下相应按键,来触发清洁机器人切换状态。控制模块根据操作单元接收到的信号触发清洁机器人切换状态,控制清洁机器人回基站进行维护。
一实施例中,清洁机器人包括第一通信单元,与控制模块电连接,第一通信单元包括无线信号接收单元,远程接收来自用户的信息。例如第一通信单元包括蓝牙、或WIFI、或蜂窝网络等通信设备,能够直接或间接与用户的手机、PAD等智能设备通信,接收用户设备发送的信息。当用户在手机等设备上输入执行维护操作的指令时,清洁机器人通过第一通信单元接收用户设备发送的相应信息,控制模块根据第一通信单元接收到的信息触发清洁机器人切换状态。
一实施例中,基站包括第二通信单元,与清洁机器人的第一通信单元通信,基站能够接收来自用户的信息,清洁机器人基于第二通信单元与第一通信单元的通信获取来自用户的信息,清洁机器人的控制模块基于第一通信单元获取的信息触发清洁机器人切换状态。基站的第二通信单元与清洁机器人的第一通信单元可以是相同类型也可以是不同类型,可以直接也可以间接实现通信。基站接收来自用户的信息的方式可以是用户直接操作基站上的按键,也可以是其他方式。
一实施例中,清洁机器人回归基站的操作也可以由基站自动触发,例如基站检测清洁机器人执行工作的时间达到预设值时,发送信号通知清洁机器人回基站进行维护。
一实施例中,清洁机器人包括表面检测传感器,与控制模块电连接,用于检测清洁机器人移动方向上的表面是否需要执行清洁工作;控制模块还配置为,当表面检测传感器检测到清洁机器人移动方向上的表面不需要执行清洁工作时,控制清洁机器人退出工 作执行状态。本实施例中,表面检测传感器包括地毯检测传感器,当地毯检测传感器检测到机器人下方或前方为地毯时,控制模块控制清洁机器人退出工作执行状态。地毯容易被脏的擦拭单元污染,且会对擦拭单元造成较大的阻力,控制清洁机器人在地毯上退出工作执行状态,能够避免对地毯的污染,避免机器人的运行故障。地毯检测传感器的类型包括多种,例如超声波、激光、红外、雷达等,检测原理和方式不再赘述。当然,上述不需要执行清洁工作的表面还可以包括其他类型的表面。
本实施例中,退出工作执行状态包括:使擦拭单元的至少部分为不接触该不需要执行清洁工作的表面的状态,该至少部分在工作执行状态中为接触工作表面的状态。退出工作执行状态还包括:使清洁机器人在该不需要执行清洁工作的表面上移动,具体的,控制清洁机器人继续沿退出工作执行状态前的移动方向移动,使清洁机器人在不执行清洁工作的状态下穿过该表面。改变擦拭单元与工作表面的接触状态的具体方式可以参考上述抬升机构,抬升机构抬升擦拭单元使擦拭单元不接触工作表面。使擦拭单元不接触工作表面有利于清洁机器人克服地毯等表面的阻力。由于地毯通常铺设在地板或地砖等上面,略高出于地板或地砖等表面,因此抬升擦拭单元还有利于清洁机器人克服高出的地毯对擦拭单元的阻碍,有利于清洁机器人越过地毯。当然,改变擦拭单元与工作表面的接触状态的具体方式也可以参考上述旋转机构等。
图7为一实施例的清洁机器人从工作执行状态切换为维护状态的流程图。如图7所示,本实施例中,状态切换包括步骤:
S1:控制清洁机器人执行清洁工作;
S2:判断是否满足维护条件;若满足维护条件,进入S3;
S3:改变擦拭单元与工作表面的接触状态,使擦拭单元的至少部分为不接触工作表面的状态,该至少部分在工作执行状态中为接触工作表面的状态;
S4:控制清洁机器人从执行工作的位置移动至维护位置。
本实施例中,判断满足维护条件时,先控制改变擦拭单元与工作表面的接触状态,再控制清洁机器人启动回归基站,使清洁机器人回归基站的整个过程中均保持擦拭单元的至少部分为不接触工作表面的状态。当然,在另外的实施例中,也可以使清洁机器人先启动回归基站,再控制改变擦拭单元与工作表面的接触状态。S3和S4也可以是并列的步骤。
具体的,改变擦拭单元与工作表面的接触状态的步骤可以是:
S31:抬升所述擦拭单元,使擦拭单元不接触工作表面;或,
S32:旋转所述擦拭单元,以改变擦拭单元与工作表面接触的部分。
本实施例中,控制清洁机器人移动至维护位置后的步骤包括:
S51:控制清洁机器人进行充电;或,
S52:控制清洁机器人更换擦拭单元;等等。可参考上述实施例的描述。
本实施例中,步骤判断是否满足维护条件包括:清洁机器人根据自身参数的检测判断是否满足维护条件,或清洁机器人根据外部信息的接收判断是否满足维护条件,其中,外部信息包括来自用户的信息。维护条件包括以下至少其中之一的参数达到预设值:所述清洁机器人的电池电量,或工作时间,或工作面积,或擦拭模块的污染程度。具体可参考上述实施例的描述。
本实施例的其他步骤参考上述实施例的描述,包括检测到地毯等不需要执行清洁工作的表面时的步骤等等。
本实施例中,清洁机器人完成维护后,还包括步骤:
S6:控制清洁机器人恢复工作执行状态。
本发明另一实施例中,提供一种清洁机器人系统,包括清洁机器人和基站,基本结构与上述实施例类似,其中,控制模块配置为控制清洁机器人移除擦拭单元和/或安装擦拭单元,即清洁机器人可自主卸载和/或安装擦拭单元;且基站配置为回收所移除的擦拭单元以及提供擦拭单元供安装,即基站同时具有回收脏擦拭单元的功能以及提供新擦拭单元的功能。上述清洁机器人系统在实现回收和提供擦拭单元两种功能的同时使更换擦拭单元的操作更简单。清洁机器人系统的结构和控制还可以结合下述实施例的描述。
本发明另一实施例中,清洁机器人可以是扫拖一体机。如图1-3所示,一实施例的清洁机器人100,包括本体10,行走机构,清洁机构,集尘机构,动力机构,控制机构,还包括导航机构。行走机构的行走元件包括主动轮21、从动轮22,用于带动100移动,可理解的是,行走元件也可以包括履带结构。清洁机构,清洁机构包括滚刷31及边刷32结构,滚刷31及边刷32机构采用业界常见的滚刷31、边刷32,用于清洁地面、墙角等处的尘屑等杂物。集尘机构包括集尘盒,风扇等组件,利用风扇产生吸力,将滚刷31、边刷32等清理的尘屑收集至集尘盒。动力机构包括电机及与电机连接的传动结构,传动机构与行走机构连接,电机驱动传动机构工作,传动机构的传动作用使得行走机构运动,其中,传动机构可以是蜗轮蜗杆机构、锥齿轮机构等。动力机构可以设有两组电机,一组电机驱动行走机构运动,另一组电机驱动清洁机构工作,动力机构也可以设有 一组电机,行走机构和清洁机构共用这一组电机,可理解的是,每组电机的数量不做限制,例如可以为一个或两个。当然,还可以用马达替换电机来提供动力。导航机构,包括悬崖传感器、侧边传感器、倾斜传感器等清洁机器人领域常见的传感器,提供环境控制数据,控制清洁机器人100工作。
控制机构例如为控制器,可以是嵌入式数字信号处理器(Digital Signal Processor,DSP)、微处理器(Micro Processor Unit,MPU)、特定集成电路(Application Specific Integrated Circuit,ASIC)、可编程逻辑器件(Programmable Logic Device,PLD)芯上系统(System on Chip,SOC)、中央处理器(Central Processing Unit,CPU)或者现场可编程门阵列(Field Programmable Gate Array,FPGA)等。
控制机构可根据预设程序或接受到的指令控制清洁机器人100的工作。具体地,控制机构可以控制行走机构在清洁机器人100的工作区域内按照预设的行走路径行走,在行走机构带动清洁机器人100行走的同时,控制机构控制清洁机构工作,从而将工作区域内的尘屑等垃圾清除。当行走机构带动清洁机器人100在预设路径内行走完成,并使得清洁机构完成工作时,控制机构可以关闭清洁机构的工作,并控制行走机构的行走,使得行走机构带动清洁机器人100离开工作区域。清洁机器人100的行走路径和停靠位置可以提前在控制机构中设定,并由控制机构控制行走机构执行。
如图1-2所示,清洁机器人100还包括擦拭模块,擦拭模块包括安装板41和活动机构,活动机构例如为升降机构,安装板41上安装有擦拭单元,例如安装板41上设有磁力元件,例如磁条或磁块,可通过磁力作用吸附擦拭单元,升降机构包括升降电机和升降传动机构,升降电机驱动升降传动机构带动安装板41上升或下降。升降传动机构例如为齿轮齿条配合形成的升降传动机构,清洁机器人100还包括设置本体10上的传感器,例如地面传感器、倾斜传感器等,其中,地面传感器检测到地面状态发生变化时,控制安装板上升或下降,可理解的是,地面状态包括硬地面状态或地毯状态,当地面传感器检测到地面状态为地毯状态时,控制安装板41上升,当地面传感器检测到地面状态为硬地面状态时,控制安装板41下降。倾斜传感器检测到本体10是否发生抬升,从而控制机构控制升降机构带动安装板41上升或下降,检测到前部抬升时,控制安装板41上升,检测到尾部抬升时,控制安装板41下降。可以理解的是,在本实施例中,安装滚刷31的一侧为本体10的前部,相反的一侧为本体20的尾部。擦拭模块具体可以为拖地机构,擦拭单元具体可以为拖地抹布,安装板41具体可以为拖地板。
在一个具体的实施例中,地面传感器或倾斜传感器安装本体10上,具体位置不做限 定,例如安装在机器的前壁或底座上,传感器数量包括至少一个。
实施例A
当地面传感器检测到地面由硬地板变成了地毯状态时,发出信号至控制机构,控制机构控制升降电机启动正转,进而由齿轮齿条构成的升降传动机构将带动安装板41上升,这样就可以将连接在安装板41上的擦拭单元也提升,回避地毯构成的阻碍。相反的,当地面传感器检测到地面由地毯状态变成了硬地板状态时,发出信号至控制机构,控制机构控制升降电机反转,进而由齿轮齿条构成的升降传动机构将带动安装板41下降,这样连接在安装板41上的擦拭单元也下降,回复到接触硬地板的状态。需要说明的是,地面传感器包括电流传感器,根据电流传感器检测的电流变化判断地面状态,例如电流传感器检测滚刷31遇到地毯时的电流变化判断地面状态。在另一种实施例中,地面传感器包括视觉传感器,根据视觉传感器检测的地面图像变化判断地面状态。另外,安装板41的升降传动机构还可以采用其他结构方式,能够达到同等的功能效果。
请参阅图8所示,为清洁机器人100控制安装板41升降过程的一种实施例,图8(a)为初始状态,清洁机器人100在硬地面地板工作,此时,升降机构未启动,安装板41与硬地面地板紧贴。机器人行走过程中,利用地面传感器检测地面状态,如图8(b)所示,地面传感器检测到前方的地面为不平整的地毯时,即清洁机器人100即将接触地毯的情况。此时,如图8(c)所示,地面传感器发出信号至控制机构,控制机构控制升降电机正转,带动升降传动机构启动,从而控制安装板41带动擦拭单元上升;如图8(d)所示,清洁机器人100在地毯工作状态时,升降机构仍然保持安装板41在上升位置,仅滚刷31机构工作;如图8(e)所示,清洁机器人100结束地毯上的工作,刚进入硬地面工作的状态,此时安装板41仍在上升位置;如图8(f)所示,地面传感器检测到地面由地毯状态完全变为硬地面状态,进而控制机构控制升降电机反转,带动升降传动机构工作,将安装板41下降,使擦拭单元恢复到与硬地面地板接触。经过上述步骤,该清洁机器人100即可越过地毯障碍,重新进入到硬地面工作,利用设置在安装板41上的擦拭单元对硬地面进行清洁。
实施例B
请参阅图9所示,为清洁机器人100遇到门槛时控制安装板41升降过程的一种实施例,清洁机器人100在硬地面地板工作,此时,升降机构未启动,安装板41与硬地面地板紧贴。清洁机器人100行走过程中,利用地面传感器检测地面状态,地面传感器检测到前方的地面为凸起的障碍物,例如门槛时,清洁机器人100需要越过门槛,清洁机 器人100做好准备,将擦拭单元抬升,此时发出信号至控制机构,控制机构控制升降电机正转,带动升降传动机构启动,从而控制安装板41带动擦拭单元上升,当清洁机器人100驶离门槛时,此时发出信号至控制机构,控制机构控制升降电机反转,带动升降传动机构启动,从而控制安装板41带动擦拭单元下降,使擦拭单元恢复到与硬地面地板接触的状态。经过上述步骤,该清洁机器人100即可越过门槛障碍,重新进入到如图9(e)所示的硬地面工作,利用设置在安装板41上的擦拭单元对硬地面进行清洁。上述抬升的过程可以避免擦拭单元上的脏物留在门槛等障碍物上。
实施例C
请参阅图10所示,为清洁机器人100遇到门槛时控制安装板41升降过程的一种实施例,清洁机器人100在硬地面地板工作,此时,升降机构未启动,安装板41与硬地面地板紧贴。清洁机器人100行走过程中,利用地面传感器检测地面状态,地面传感器检测到前方的地面为凸起的障碍物,例如门槛时,清洁机器人100的主动轮21越过门槛时,此时清洁机器人100前部首先会抬升,倾斜传感器感应到机器人100前部抬升,此时发出信号至控制机构,控制机构控制升降电机正转,带动升降传动机构启动,从而控制安装板41带动抹布上升,当清洁机器人100驶离门槛时,机器尾部会抬升,倾斜传感器感应到机器人尾部抬升,此时发出信号至控制机构,控制机构控制升降电机反转,带动升降传动机构启动,从而控制安装板41带动擦拭单元下降,使擦拭单元恢复到与硬地面地板接触的状态。经过上述步骤,该清洁机器人100即可越过门槛障碍,重新进入到硬地面工作,利用设置在安装板41上的擦拭单元对硬地面进行清洁。上述抬升的过程可以避免擦拭单元上的脏物留在门槛等障碍物上。
结合图11所示,清洁机器人100还包括擦拭单元更换机构,擦拭单元更换机构包括安装板41,还包括活动机构,卸载装置,清洁机器人100还包括地面传感器,其中,安装板41上安装有擦拭单元,例如安装板41上设有磁铁,例如磁条或磁块,可通过磁力作用吸附擦拭单元,活动机构例如为升降机构,升降机构包括升降电机和升降传动机构,升降电机驱动升降传动机构带动安装板41上升或下降。升降传动机构例如为齿轮齿条配合形成的升降传动机构。地面传感器检测到地面状态发生变化以判断是否为擦拭单元回收装置210及备用擦拭单元存放装置220,当判断为擦拭单元回收装置210时,控制机构控制卸载装置将擦拭单元卸载至擦拭单元回收装置210,当判断为备用擦拭单元存放装置220时,控制机构控制升降机构以带动安装板41下降从而从擦拭单元存放位置处安装新的擦拭单元。可理解的是,检测擦拭单元回收装置210和备用擦拭单元存放装置220 的传感器类型不做限定,能够识别到擦拭单元回收装置210和备用擦拭单元存放装置220的特征以精确对准即可。
在一个具体的实施例中,地面状态包括硬地面、擦拭单元回收装置210、备用擦拭单元存放装置220,上述三个位置的表面状态不同,通过地面传感器的检测能够区分上述位置,可理解的是,擦拭单元回收装置210和备用擦拭单元存放装置220的特征可以不同,当然两者的特征也可以相同,利用其它方法分辨即可。其中,地面传感器的类型不做限定,包括电流传感器,根据电流传感器检测的电流变化判断地面状态,例如电流传感器检测滚刷31遇到擦拭单元回收装置210、备用擦拭单元存放装置220时的电流变化与在硬地面上工作的电流变化不同,依此来判断是否为擦拭单元回收装置210、备用擦拭单元存放装置220。在另一种实施例中,地面传感器包括视觉传感器,根据视觉传感器检测的地面图像变化判断地面状态。地面传感器的设置位置不做限定,例如安装在本体10的前壁或底座上。其数量也不做限定,至少包括一个。另外,安装板41的升降传动机构还可以采用其他结构方式,能够达到同等的功能效果即可。
该清洁机器人100配置有基站200,用于清洁机器人100回归充电。该擦拭单元回收装置210和备用擦拭单元存放装置220设置在基站200上,可理解的是,这两个装置设置在基站200上的两个位置,其中,基站200的第一位置设置擦拭单元回收装置210,用于回收卸载的脏擦拭单元,基站200的第二位置设置备用擦拭单元存放装置220,用于放置备用擦拭单元。地面传感器判断地面状态为基站200的擦拭单元回收装置210或备用擦拭单元存放装置220时,进行对擦拭单元的更换,更换完擦拭单元后,判断地面状态为硬地面时,控制擦拭单元对地面重新进行清洁。
如图12(a)所示,在一个具体的实施例中,当清洁机器人100在硬地面上使用擦拭单元进行清洁工作时,收到了擦拭单元更换指令后,清洁机器人100发出信号识别基站200。其中,擦拭单元更换指令可以来自用户的指令,例如用户在终端上操作更换擦拭单元的指令,清洁机器人100接收指令,也可以是用户在清洁机器人100机身上输入指令,比如按下更换按钮,也可以是在基站200上按下指令,传输至清洁机器人100接收指令。当然,可理解的是,更换指令也可以设置在清洁机器人100的内部,例如程序设置了清洁机器人100更换擦拭单元的预设条件,满足了更换的预设条件,清洁机器人100的擦拭单元更换机构即收到擦拭单元更换指令,例如设置为清洁机器人100擦拭单元使用时间为N后,即需要更换。
如图12(b)所示,当清洁机器人100识别到基站200后,行走到基站200附近,进 行擦拭单元更换准备工作,例如为控制升降机构带动安装板41上升从而带动擦拭单元上升。
在另一种具体的实施例中,接收到擦拭单元更换指令后,清洁机器人100及时发出信号至控制机构,控制机构控制升降电机启动正转,进而由齿轮齿条构成的升降传动机构将带动安装板41上升,这样就可以将连接在安装板41上的擦拭单元也提升,做好更换准备,以防止脏擦拭单元对地面造成污染。
当清洁机器人寻识别到基站200后,做好擦拭单元更换准备后,继续行走,利用地面传感器检测基站200的表面,如图12(c)所示,即利用地面传感器检测基站200的第一位置,即擦拭单元回收装置210。此时,如图12(d)所示,清洁机器人100及时发出信号控制卸载装置启动,将附着污渍的擦拭单元顶下脱离安装板41,落入基站200上的擦拭单元回收装置210中,这里的卸载装置具体为竖直方向下移动的滑杆,当其滑动后,会克服磁力作用使擦拭单元与安装板41上磁铁脱离,擦拭单元落下。当然,还可以采用其他结构方式,能够达成同等功效。
如图12(e)所示,清洁机器人100将擦拭单元卸载后,继续行走,继续用地面传感器检测地面,直到行走到基站200的第二位置,备用擦拭单元存放装置220时。此时,如图12(f)所示,清洁机器人100及时发出信号至控制机构,控制机构控制升降电机反转,进而由齿轮齿条构成的升降机构将带动安装板41下降,这样就可以将安装板41与备用擦拭单元接近,借助磁铁的磁力作用,擦拭单元将吸附连接在安装板41上。
如图12(g)所示,清洁机器人100安装好新的擦拭单元后,安装板41再次上升以带动擦拭单元上升,这里的升降位置不同于硬地面的升降位置,其升降幅度小于正常工作状态,即安装板41与基站200之间存在间隙,这样,在吸附擦拭单元后,擦拭单元和基站200之间也存在间隙,不会产生摩擦干涉。或者再次启动升降机构上升,将擦拭单元上升到非工作状态位置。
如图12(h)所示,清洁机器人100完成擦拭单元自动更换后,后退,以离开基站200进入硬地面工作,此时,如图12(i)所示,地面传感器将检测到地面为硬地面,即控制升降机构工作,将安装板41下降,使擦拭单元恢复到与硬地面接触。经过上述步骤,该清洁机器人100即完成擦拭单元自动更换作业,可再次进行硬地面的清洁工作。
在其他实施例中,当清洁机器人在越障时,例如障碍物为地毯,机器人前部首先会抬升,倾斜传感器发出信号,擦拭单元抬升,当清洁机器人从障碍上驶离时,清洁机器 人尾部会抬升,倾斜传感器发出信号,擦拭单元下落;这样可以避免擦拭单元上的脏物留在障碍物上。
在其他实施例中,在扫拖一体的机器人中,擦拭单元对地面的压力由弹簧提供,合适的压力会产生更好的清洁效果。
在其他实施例中,擦拭单元在至少有一侧距离机器人中心的距离要大于滚刷,这样可以使得机器更干净的打扫墙角和边缘部分。
在其他实施例中,当机器人进入回归充电或者更换擦拭单元状态时,擦拭单元需要抬升,这样可以防止脏擦拭单元经过已经打扫干净的区域,造成二次污染;待充满电或者更换完擦拭单元之后,回到断点的位置时,将擦拭单元放下,继续工作。
在其他实施例中,擦拭单元有两个或两个以上的状态,如:工作状态、抬升状态、更换状态等。
在其他实施例中,擦拭单元抬升机构与机器人壳体之间需要有隔振或减震装置,避免擦拭单元振动对机器其他功能产生影响,如视觉导航等。
在其他实施例中,机器人可以实现对不同功能擦拭单元的识别,再自动进入不同的模式,如:干擦模式,湿拖模式等,这样可以更好的进行清洁工作;
在其他实施例中,机器人可以实现对不同擦拭单元的识别,再进入相应的区域工作,如:厨房、卫生间、卧室等,这样可以实现相应擦拭单元在对应的区域工作。
在其他实施例中,滚刷驱动电机与擦拭单元的振动电机之间的功率比例关系,数值位于1~10之间,清洁效果更好。
在其他实施例中,滚刷长度与擦拭单元长度之间的比例关系,数值位于0.5~1.0之间,清洁效果更好。
在其他实施例中,扫拖一体机器的外形设计为D形,这样可以使得边角清洁效果更好,而且也不会影响机器的脱困能力。
在其他实施例中,滚刷与擦拭单元位于机器人的同侧,这样可以使得擦拭单元尽可能的长,边角清洁效果更好。
在其他实施例中,擦拭单元与地面的接触面积与机器人底盘的面积之间的比例,数值大于0.2,这样可以使得清洁效果更好,清洁效率更高。
在其他实施例中,擦拭单元与安装板之间的连接靠磁铁,这样可以方便擦拭单元的更换。
在其他实施例中,尘箱的体积与水箱的体积比例,数值位于2-4之间,这样可以保证充足的续航能力,且让机器人的重量和尺寸处在合适的范围。
在其他实施例中,擦拭单元在工作时处于振动的状态,水箱相对于机器人是静止的,水箱的水通过可变形的管子注入到擦拭单元上。
在其他实施例中,机器人分为扫地和拖地两个模式,在扫地模式时,擦拭单元抬升,在拖地模式时,滚刷的转速低于正常工作转速,或者发出的声音大小处于用户可接受范围内,低于30db。
在其他实施例中,拖地状态时机器人的行走速度要小于等于机器扫地状态时的行走速度,这样可以使得拖地效果更好。
在其他实施例中,扫地与拖地不可以同时工作,且两种功能之间的切换是机器人自行完成的,这样不需要人为干预,更智能。
在其他实施例中,擦拭单元至少一侧边缘超出机器人的轮廓,滚刷的两侧均不可超出机器轮廓,这样边角清洁效果更好。
本发明实施例的清洁机器人、清洁机器人系统及其清洁方法,当擦拭单元需要更换时,通过设置的擦拭单元更换装置、擦拭单元回收装置、备用擦拭单元存放装置等配合实现对擦拭单元的自动更换,提高了用户的自动化体验,同时更换方法简单、快捷。本发明提出的基站上擦拭单元回收装置和备用擦拭单元存放装置,实现了基站的多功能复用,节省了占用面积。
本发明实施例的清洁机器人及其清洁方法,遇到地面发生变化时,例如遇到地毯或门槛等障碍物时,通过设置的自动升降机构带动擦拭单元升降,避免了拖地机器人在地毯等不平整表面或门槛等凸起的障碍物工作卡死的问题,为越过地毯、门槛等障碍提供了有利的操作控制。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。本发明的实施例之间可以适当的组合。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (33)

  1. 一种清洁机器人,包括:
    壳体;
    移动模块,安装于所述壳体,配置为带动所述清洁机器人移动;
    控制模块,配置为控制所述移动模块带动所述清洁机器人移动;
    所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够直接或间接与工作表面接触以擦拭工作表面,从而执行清洁工作;其特征在于,
    所述清洁机器人包括工作执行状态,在工作执行状态下清洁机器人执行清洁工作,所述清洁机器人还包括维护状态,所述清洁机器人能够从所述工作执行状态切换为所述维护状态;
    所述清洁机器人从所述工作执行状态切换为所述维护状态的过程中,所述控制模块控制清洁机器人从工作执行状态对应的工作执行位置移动至维护状态对应的维护位置;
    所述控制模块配置为改变擦拭单元与工作表面的接触状态,使所述清洁机器人从所述工作执行位置移动至所述维护位置的至少部分过程中,擦拭单元的至少部分为不接触工作表面的状态,所述至少部分在工作执行状态中为接触工作表面的状态。
  2. 根据权利要求1所述的清洁机器人,其特征在于,所述维护状态包括补给状态,所述维护位置包括提供补给的基站所在位置。
  3. 根据权利要求2所述的清洁机器人,其特征在于,所述清洁机器人由电池提供移动和/或工作的能源,所述补给状态包括为电池充电的充电状态,所述基站包括充电站。
  4. 根据权利要求3所述的清洁机器人,其特征在于,所述清洁机器人检测到电池电量低于或工作时间大于预设值时,或者所述清洁机器人接收到补充电能的信息时,控制模块控制清洁机器人切换状态。
  5. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人能够自动排除擦拭单元擦拭工作表面积累的污物,所述维护状态包括污物排除状态。
  6. 根据权利要求5所述的清洁机器人,其特征在于,所述擦拭单元可移除的安装于所述清洁机器人,所述污物排除状态包括移除擦拭单元和/或安装擦拭单元的操作;所述维护位置包括移除和/或安装擦拭单元的基站所在位置。
  7. 根据权利要求5所述的清洁机器人,其特征在于,所述清洁机器人检测到满足排除污物的预设条件,或者接收到排除污物的信息时,控制模块控制清洁机器人切换状 态。
  8. 根据权利要求1所述的清洁机器人,其特征在于,所述擦拭单元能够可移除的安装擦拭材料,所述擦拭单元擦拭工作表面时通过擦拭材料间接与工作表面接触。
  9. 根据权利要求1所述的清洁机器人,其特征在于,所述维护状态包括待机状态,所述维护位置包括供清洁机器人停靠的基站所在位置。
  10. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人包括抬升机构,所述控制模块还配置为控制所述抬升机构抬升所述擦拭单元,所述改变擦拭单元与工作表面的接触状态包括:控制模块控制抬升机构抬升擦拭单元,从而使擦拭单元不接触工作表面。
  11. 根据权利要求10所述的清洁机器人,其特征在于,所述擦拭单元包括擦拭平面,用于擦拭工作表面,所述抬升机构抬升所述擦拭单元时,所述抬升机构将擦拭平面从接触工作表面的第一高度位置抬升为不接触工作表面的第二高度位置。
  12. 根据权利要求10所述的清洁机器人,其特征在于,所述抬升机构包括升降机构或摆动机构。
  13. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人包括旋转机构,所述控制模块还配置为控制所述旋转机构旋转所述擦拭单元,所述改变擦拭单元与工作表面的接触状态包括:控制模块控制旋转机构旋转擦拭单元,从而改变擦拭单元与工作表面接触的部分。
  14. 根据权利要求13所述的清洁机器人,其特征在于,所述控制模块控制所述旋转机构带动擦拭单元旋转,以使擦拭单元的在工作执行状态中接触工作表面的部分远离工作表面,使其在工作执行状态中未接触工作表面的部分接近工作表面。
  15. 根据权利要求13所述的清洁机器人,其特征在于,所述擦拭单元包括旋转轴,所述擦拭单元的用于擦拭工作表面的擦拭面形成为绕所述旋转轴的曲面,所述旋转机构带动所述擦拭单元绕旋转轴旋转,以改变所述曲面与工作表面接触的部分。
  16. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人从所述工作执行位置移动至所述维护位置的过程中,保持所述擦拭单元的至少部分为不接触工作表面的状态。
  17. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人处于维护状态时,和/或所述清洁机器人完成维护后离开所述维护位置之前,保持所述擦拭单元的至少部分为不接触工作表面的状态。
  18. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人由电池提供移动和/或工作的能源,所述维护状态包括为电池充电的充电状态;所述擦拭单元可移除的安装于所述清洁机器人,所述清洁机器人处于充电状态时,所述清洁机器人为移除擦拭单元的状态。
  19. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人恢复所述工作执行状态之前,保持所述擦拭单元的至少部分为不接触工作表面的状态。
  20. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人接收来自用户的信息,所述控制模块根据所述来自用户的信息控制清洁机器人切换状态。
  21. 根据权利要求20所述的清洁机器人,其特征在于,所述清洁机器人包括无线信号接收单元,通过所述无线信号接收单元远程接收来自用户的信息;或者,所述清洁机器人包括操作单元,通过所述操作单元本地接收来自用户的信息。
  22. 根据权利要求1所述的清洁机器人,其特征在于,所述清洁机器人包括表面检测传感器,与控制模块电连接,用于检测清洁机器人移动方向上的表面是否需要执行清洁工作;
    所述控制模块还配置为,当所述表面检测传感器检测到清洁机器人移动方向上的表面不需要执行清洁工作时,控制清洁机器人退出工作执行状态;
    所述退出工作执行状态包括:使擦拭单元的至少部分为不接触所述不需要执行清洁工作的表面的状态,所述至少部分在工作执行状态中为接触工作表面的状态。
  23. 根据权利要求22所述的清洁机器人,其特征在于,所述退出工作执行状态还包括:使清洁机器人在所述不需要执行清洁工作的表面上移动。
  24. 根据权利要求22所述的清洁机器人,其特征在于,所述表面检测传感器包括地毯检测传感器,用于检测清洁机器人移动方向上是否存在地毯,若检测到存在地毯,所述控制模块控制清洁机器人退出所述工作执行状态。
  25. 一种清洁机器人系统,包括上述任一项所述的清洁机器人,以及基站,所述基站为所述清洁机器人提供维护。
  26. 一种清洁机器人的控制方法,所述清洁机器人包括壳体,移动模块和控制模块;所述控制模块配置为控制所述移动模块带动所述清洁机器人移动;所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够擦拭工作表面以执行清洁工作;其特征在于,所述控制方法包括步骤:
    控制清洁机器人执行清洁工作;
    判断是否满足维护条件;
    若满足维护条件,控制清洁机器人从执行工作的位置移动至维护位置;
    改变擦拭模块与工作表面的接触状态,使所述清洁机器人从执行工作的位置移动至维护位置的至少部分过程中,擦拭模块的至少部分为不接触工作表面的状态,所述至少部分在工作执行状态中为接触工作表面的状态。
  27. 根据权利要求26所述的控制方法,其特征在于,判断是否满足维护条件包括:清洁机器人根据自身参数的检测判断是否满足维护条件,或清洁机器人根据外部信息的接收判断是否满足维护条件。
  28. 根据权利要求27所述的控制方法,其特征在于,所述外部信息包括来自用户的信息。
  29. 根据权利要求26所述的控制方法,其特征在于,所述维护条件包括以下至少其中之一的参数达到预设值:所述清洁机器人的电池电量,或工作时间,或工作面积,或擦拭单元的污染程度。
  30. 根据权利要求26所述的控制方法,其特征在于,所述改变擦拭单元与工作表面的接触状态包括:抬升所述擦拭单元,使擦拭单元不接触工作表面;或旋转所述擦拭单元,以改变擦拭单元与工作表面接触的部分。
  31. 一种清洁机器人系统,所述清洁机器人系统包括清洁机器人;所述清洁机器人包括:
    壳体;
    移动模块,安装于所述壳体,配置为带动所述清洁机器人移动;
    控制模块,配置为控制所述移动模块带动所述清洁机器人移动;
    所述清洁机器人配置为安装擦拭单元,所述清洁机器人在工作表面移动时,所述擦拭单元能够擦拭工作表面以执行清洁工作;其特征在于,
    所述清洁机器人包括工作执行状态,在工作执行状态下清洁机器人执行清洁工作,所述清洁机器人还包括维护状态,所述清洁机器人能够从所述工作执行状态切换为所述维护状态;
    所述控制模块还配置为触发所述清洁机器人从所述工作执行状态切换为所述维护状态;所述清洁机器人能够接收来自用户的信息,所述控制模块根据所述来自用户的信息触发所述状态切换。
  32. 根据权利要求31所述的清洁机器人系统,其特征在于,所述清洁机器人包括 第一通信单元,所述第一通信单元包括无线信号接收单元,所述清洁机器人通过所述无线信号接收单元远程接收来自用户的信息;或者,所述清洁机器人包括操作单元,所述清洁机器人通过所述操作单元本地接收来自用户的信息。
  33. 根据权利要求31所述的清洁机器人系统,其特征在于,清洁机器人系统还包括基站,用于为清洁机器人提供维护;
    所述清洁机器人包括第一通信单元,与所述控制模块电连接;
    所述基站包括第二通信单元,与所述清洁机器人的第一通信单元通信;
    所述基站能够接收来自用户的信息,所述清洁机器人基于所述第二通信单元与所述第一通信单元的通信获取所述来自用户的信息,所述清洁机器人的控制模块基于所述第一通信单元获取的信息触发所述状态切换。
PCT/CN2019/090603 2018-06-08 2019-06-10 清洁机器人及其控制方法、清洁机器人系统 Ceased WO2019233493A1 (zh)

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CN120167832A (zh) 2025-06-20
JP2021526446A (ja) 2021-10-07
US20210228050A1 (en) 2021-07-29
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