WO2022194387A1 - Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol - Google Patents

Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol Download PDF

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Publication number
WO2022194387A1
WO2022194387A1 PCT/EP2021/057084 EP2021057084W WO2022194387A1 WO 2022194387 A1 WO2022194387 A1 WO 2022194387A1 EP 2021057084 W EP2021057084 W EP 2021057084W WO 2022194387 A1 WO2022194387 A1 WO 2022194387A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning device
floor cleaning
housing
floor
wiping
Prior art date
Application number
PCT/EP2021/057084
Other languages
German (de)
English (en)
Inventor
Paul STIRM
Stephan Siegel
Manuel SCHULZE
Original Assignee
Alfred Kärcher SE & Co. KG
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 Alfred Kärcher SE & Co. KG filed Critical Alfred Kärcher SE & Co. KG
Priority to EP21714835.2A priority Critical patent/EP4307979A1/fr
Priority to PCT/EP2021/057084 priority patent/WO2022194387A1/fr
Priority to CN202180095718.1A priority patent/CN117042664A/zh
Publication of WO2022194387A1 publication Critical patent/WO2022194387A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts 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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the present invention relates to a self-propelled and self-steering floor cleaning device, which comprises a housing, a chassis held on the housing for moving on a floor surface, and at least one cleaning device for cleaning the floor surface, the at least one cleaning device comprising a wiping device with a wiping tool.
  • the housing may preferably have a D-shape in plan view at the front portion and a rectangular shape or substantially a rectangular shape at the rear portion.
  • the front section of the housing is advantageously shaped in such a way that a curvature of the corresponding section of the enveloping contour in the area of a housing front is less than in the transition areas adjoining the housing front to the housing sides.
  • the housing has, in the transverse direction, transversely and in particular perpendicularly to the main direction of movement, spaced apart from one another, in particular a left-hand side of the housing and a right-hand side of the housing.
  • the curvature of the enveloping contour is less than in the transition areas in the direction of the housing sides, so that the curvature in the transition areas is greater.
  • the housing can be viewed in plan as flattened (but preferably curved) at the housing front and more curved in the transition to the housing sides.
  • the greater curvature in the area of the transition areas improves the maneuverability, in particular for cleaning close to obstacles and/or in corners.
  • the rear section of the housing is advantageously shaped in such a way that the corresponding rear section of the enveloping contour extends in a straight line in sections along the main movement direction or is extended in a substantially straight line.
  • the rear section of the enveloping contour advantageously extends in a straight line or essentially in a straight line on housing sides that are perpendicular to one another in relation to a transverse direction of the floor cleaning device, perpendicular to the main direction of movement. These are, for example, the left and right housing sides of the floor cleaning device.
  • the drive elements comprise two drive wheels which can be rotated on the housing about aligned drive axles.
  • the drive axes are preferably aligned perpendicular to the main direction of movement. It is favorable if the rear section of the housing is shaped in such a way that the corresponding rear section of the enveloping contour is rectangular or essentially rectangular or can be inscribed in a rectangle. From the drive axle or a central transverse plane of the pivot point to the rear, the housing is, for example, rectangular or essentially rectangular and offers a large installation space for components.
  • cleaning tools of the at least one cleaning device can be made long or large with regard to an improved cleaning result, for example a roller brush and/or a wiping tool.
  • the rear section of the housing is shaped in such a way that the corresponding rear section of the envelope contour has rounded corner areas at the transitions to the housing sides.
  • the housing can be rounded, for example, at the corner areas in the transition from the rear of the housing to the sides of the housing.
  • the rear section of the housing is shaped in such a way that the corresponding rear section of the enveloping contour protrudes backwards beyond the circular contour.
  • the housing is shaped in such a way that the corresponding rear section of the enveloping contour protrudes backwards beyond the circular contour by an amount or substantially by an amount by which a housing front of the housing lags behind the circular contour at the front. Accordingly, it can be advantageous if the housing is lengthened at the rear by or essentially by the same amount as it is shortened at the front relative to the circular contour.
  • the pivot point is preferably arranged in front of a median transverse plane of the floor cleaning device, based on the main direction of movement. In this case, the pivot point is preferably shifted forward by such an amount or essentially such an amount in relation to the central transverse plane as the front of the housing lags behind the circular contour.
  • the pivot point is preferably positioned in front of the middle of the housing in relation to the main direction of movement.
  • the forward offset of the pivot point preferably corresponds to the amount or essentially the amount by which the housing front lags behind the circular contour at the front.
  • the center of the housing is defined, for example, by inscribing the housing in a plan view in a rectangle, the center of the housing being defined by the intersection of the diagonals of the rectangle.
  • a ratio of a length of the housing in the main direction of movement to a width of the housing transversely and in particular perpendicularly to a main movement direction is approximately 0.7 to 1.4, preferably approximately 0.8 to 1.2, more preferably about 0.9 to 1.1.
  • the drive elements can, for example, be or include drive wheels.
  • the drive elements can, for example, be caterpillar elements or summarize. Accordingly, the chassis can be a caterpillar chassis.
  • the chassis includes only two drive elements.
  • the drive elements preferably have separate drive units and can be driven separately from one another. In this way, an electronic differential can be implemented.
  • the at least one cleaning device preferably comprises a sweeping device with a brush roller that can be driven in rotation and a dirt collection container for collecting the dirt that has been swept up.
  • the sweeping device can preferably include a suction unit for applying negative pressure to the dirt collection container in order to increase the cleaning performance.
  • the sweeping device is free of a suction unit.
  • the brush roller is positioned in front of the drive elements in the main direction of movement or behind the drive elements in the main direction of movement.
  • the sweeping device if present, is arranged in front of the floor cleaning device in relation to the main direction of movement of the wiping device.
  • dirt can be swept off the floor surface with the sweeping device and the floor surface can then be cleaned with the wiping device.
  • the sweeping roller is advantageously driven in such a way that it is moved on the bottom side counter to the main direction of movement. Swept dirt, for example, can be conveyed backwards or forwards over the brush roller.
  • the sweeping roller can be driven in such a way that it is moved on the ground side in the main direction of movement. Swept up dirt can be conveyed forwards or backwards over the brush roller.
  • the floor cleaning device lies loosely with the sweeping roller on the floor surface.
  • the at least one cleaning device can advantageously include at least one side brush, which protrudes beyond the enveloping contour with cleaning elements.
  • the at least one side brush is positioned, for example, in a corner area on the front left and/or in a corner area on the front right of the housing.
  • An improved supply of dirt to the sweeping device can be enabled via the side brush.
  • the side brush can preferably be used to improve cleaning close to the edge with the floor cleaning device.
  • the wiping device preferably comprises a dirty liquid container for receiving dirty cleaning liquid. Damp cleaning of the floor surface can be carried out using the wiping device.
  • the wiping device is provided in addition to the sweeping device.
  • the wiping device does not have a suction unit for sucking up the cleaning liquid and comprises a stripping element with which the cleaning liquid can be stripped off the wiping roller.
  • the electrical input power of the wiping device can be kept low and the operating time of the floor cleaning device can be extended.
  • the wiping device can be completely or partially removed from the housing.
  • the reservoir, the dirty liquid container and the wiper roller can be removed from the housing. This offers the possibility, for example, of relieving the load on the floor cleaning device and extending the operating time if only dry cleaning of the floor surface is to be carried out using the sweeping device.
  • the floor cleaning device preferably has a support device for support on the floor surface, which includes the drive elements of the chassis and the wiping tool. Preferably, no further support elements are provided when the floor cleaning device includes the wiping device, so that the support is provided only by the drive elements and the wiping tool.
  • the floor cleaning device is preferably only supported via the support roller on the floor surface when the wiping tool is removed from the floor cleaning device.
  • the floor cleaning device can be supported in addition to the drive elements via the support roller on the floor surface.
  • the support via the support roller is not required if the wiping tool is attached to the floor cleaning device and the support is provided in addition to the drive elements via the wiping tool.
  • the support of the floor cleaning device via the wiping tool also has the advantage that a sufficient contact force can be achieved in the area of the wiping tool with regard to a good cleaning result.
  • a textile floor covering can preferably be detected by means of the sensor device, in particular a rug or a carpeted floor, and portions of the floor surface with textile floor covering are advantageously bypassed when the wiping tool is arranged in the floor cleaning device. If a textile floor covering is found, for example, damp cleaning by means of the wiping device is avoided. For this purpose, the corresponding section of the floor area can be bypassed.
  • a tactile sensor element can be provided, for example, which is fastened sufficiently low on the housing. In this way, for example, a threshold resulting from a carpet can be tactilely detected.
  • the charging station preferably includes a plate-shaped mounting element for setting up the floor cleaning device, which element can be positioned completely above the mounting element.
  • the positioning element advantageously includes or forms a trough-shaped depression and support elements for a wiping roller of the floor cleaning device that protrude upwards therefrom, so that there is a space between the wiping tool and a bottom of the depression.
  • a damp wiping tool can dry better by lying on the support elements. Any dripping residual liquid can be collected in the recess.
  • the support elements are designed, for example, as strips or ribs.
  • the contact elements are preferably arranged on projections starting from a bottom of the recess. If there is any liquid in the recess, the contact elements are not wetted and the electrical operational reliability of the floor cleaning system is consequently increased.
  • Figure 1 is a perspective view of a preferred embodiment of the floor cleaning device according to the invention.
  • pivot point 78 is located centrally between the drive wheels 66 on the axis of rotation 70, as shown in FIGS.
  • the housing widens even further counter to the main direction of movement 20, beyond the central transverse plane 60, up to approximately three quarters of the length 50.
  • main direction of movement 22 housing front 24 housing rear 26 longitudinal direction 28 transverse direction 30 front section housing 32 rear section housing 34 left housing side 36 right housing side 38 transition area 40 corner area 42 enveloping contour

Landscapes

  • Electric Suction Cleaners (AREA)

Abstract

L'invention concerne un dispositif de nettoyage de sol autonome et autodirecteur, comprenant : un boîtier (18) comportant une partie avant (30), par rapport à une direction de déplacement principale (20) du dispositif de nettoyage de sol (10), et une partie arrière (32), le boîtier définissant un contour périphérique (42) du dispositif de nettoyage de sol (10) par rapport à une vue de dessus du dispositif de nettoyage de sol (10) positionné sur une surface de sol (16) ; un châssis (62) destiné à se déplacer sur la surface du sol (16), le châssis étant retenu sur le boîtier (18) et comprenant deux éléments d'entraînement (64) mutuellement espacés le long d'un axe d'entraînement ; au moins un appareil de nettoyage (100) destiné à nettoyer la surface du sol (16), ledit au moins un appareil de nettoyage (100) comprenant un appareil d'essuyage (76) doté d'un outil d'essuyage. Le dispositif de nettoyage de sol (10) peut être mis en rotation autour d'un axe de rotation (80) passant par un point de pivotement (78) au moyen des éléments d'entraînement (64) du châssis (62). Les parties avant et arrière (30, 32) du boîtier (18) sont formées de telle sorte qu'une partie avant correspondante (30) du contour périphérique (42) s'étend au moins partiellement à l'intérieur d'un contour circulaire (86), dont le centre (87) se trouve sur l'axe d'entraînement et dont le diamètre est donné par la largeur du boîtier (18) à la position de l'axe d'entraînement (70), et qu'une partie arrière correspondante (32) du contour périphérique (42) s'étend au moins partiellement à l'extérieur du contour circulaire (86), la partie arrière (32) maintenant l'appareil d'essuyage (76).
PCT/EP2021/057084 2021-03-19 2021-03-19 Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol WO2022194387A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21714835.2A EP4307979A1 (fr) 2021-03-19 2021-03-19 Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol
PCT/EP2021/057084 WO2022194387A1 (fr) 2021-03-19 2021-03-19 Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol
CN202180095718.1A CN117042664A (zh) 2021-03-19 2021-03-19 自移行且自转向的地面清洁设备和具有这种地面清洁设备的地面清洁系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/057084 WO2022194387A1 (fr) 2021-03-19 2021-03-19 Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol

Publications (1)

Publication Number Publication Date
WO2022194387A1 true WO2022194387A1 (fr) 2022-09-22

Family

ID=75267475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/057084 WO2022194387A1 (fr) 2021-03-19 2021-03-19 Dispositif de nettoyage de sol autonome et autodirecteur, et système de nettoyage de sol comportant un tel dispositif de nettoyage de sol

Country Status (3)

Country Link
EP (1) EP4307979A1 (fr)
CN (1) CN117042664A (fr)
WO (1) WO2022194387A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242257B4 (de) 2001-09-14 2013-12-19 Vorwerk & Co. Interholding Gmbh Selbsttätig verfahrbares Bodenstaub-Aufsammelgerät, sowie Kombination eines derartigen Aufsammelgerätes und einer Basisstation
US8855914B1 (en) 2012-08-31 2014-10-07 Neato Robotics, Inc. Method and apparatus for traversing corners of a floored area with a robotic surface treatment apparatus
EP2574264B1 (fr) 2007-05-09 2016-03-02 iRobot Corporation Robot autonome de couverture compact
EP3284382A2 (fr) * 2016-08-18 2018-02-21 Vorwerk & Co. Interholding GmbH Dispositif de service pour un appareil de nettoyage humide
WO2018162092A1 (fr) 2017-03-08 2018-09-13 Alfred Kärcher SE & Co. KG Appareil de nettoyage de sol automoteur et autoguidé
US10149589B2 (en) 2013-12-19 2018-12-11 Aktiebolaget Electrolux Sensing climb of obstacle of a robotic cleaning device
EP3669738A1 (fr) * 2018-12-21 2020-06-24 Ningbo Fujia Industrial Co., Ltd. Appareil de nettoyage de sol automatisé

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242257B4 (de) 2001-09-14 2013-12-19 Vorwerk & Co. Interholding Gmbh Selbsttätig verfahrbares Bodenstaub-Aufsammelgerät, sowie Kombination eines derartigen Aufsammelgerätes und einer Basisstation
EP2574264B1 (fr) 2007-05-09 2016-03-02 iRobot Corporation Robot autonome de couverture compact
US8855914B1 (en) 2012-08-31 2014-10-07 Neato Robotics, Inc. Method and apparatus for traversing corners of a floored area with a robotic surface treatment apparatus
US10149589B2 (en) 2013-12-19 2018-12-11 Aktiebolaget Electrolux Sensing climb of obstacle of a robotic cleaning device
EP3284382A2 (fr) * 2016-08-18 2018-02-21 Vorwerk & Co. Interholding GmbH Dispositif de service pour un appareil de nettoyage humide
WO2018162092A1 (fr) 2017-03-08 2018-09-13 Alfred Kärcher SE & Co. KG Appareil de nettoyage de sol automoteur et autoguidé
EP3669738A1 (fr) * 2018-12-21 2020-06-24 Ningbo Fujia Industrial Co., Ltd. Appareil de nettoyage de sol automatisé

Also Published As

Publication number Publication date
EP4307979A1 (fr) 2024-01-24
CN117042664A (zh) 2023-11-10

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