EP4404811A1 - Reinigungsroboter - Google Patents
ReinigungsroboterInfo
- Publication number
- EP4404811A1 EP4404811A1 EP22772964.7A EP22772964A EP4404811A1 EP 4404811 A1 EP4404811 A1 EP 4404811A1 EP 22772964 A EP22772964 A EP 22772964A EP 4404811 A1 EP4404811 A1 EP 4404811A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- pressing
- cleaning robot
- cleaning element
- rotation
- 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.)
- Granted
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
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4038—Disk 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- 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
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
- A47L11/283—Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
-
- 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
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
- A47L11/293—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools the tools being disc brushes
-
- 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
- A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
-
- 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
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4069—Driving or transmission means for the cleaning 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
- 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
- A47L11/4072—Arrangement of castors or wheels
-
- 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 invention relates to a cleaning robot.
- the invention relates to a cleaning robot with a cleaning element for cleaning a floor surface.
- a typical cleaning robot is set up to drive autonomously over a floor area in a household and to clean the floor area in the process.
- a suction mechanism is provided in order to clean the floor surface pneumatically.
- a rotating broom or brush roller can also be provided to clean the floor surface.
- Another type of cleaning robot uses a movable cleaning element, such as a pad or disc, that is moved relative to the floor surface to pick up debris. Cleaning is often carried out using a cleaning liquid.
- a cleaning robot includes a body; a flat cleaning element and a pressing device.
- the cleaning element is configured to be moved along a floor surface; wherein a portion of the cleaning element protrudes over an outline of the housing and the cleaning element is flexible to be deformed vertically upon collision with an obstacle.
- the pressing device is set up to press a section of the cleaning element located under the housing against the floor surface.
- the cleaning robot according to the invention can use a relatively large cleaning element, so that its track width with regard to cleaning can be large. A predetermined floor area can therefore be completely cleaned with relatively few movements of the cleaning robot. In addition, improved cleaning of the floor surface can be achieved thanks to the large cleaning element.
- the cleaning member is flexible, a portion protruding beyond the outline of the housing can be vertically deformed and folded out of the way upon collision with an obstacle. Neither the cleaning element nor the obstacle can be damaged.
- a control device for controlling the cleaning robot does not have to be adapted to the section of the cleaning element that protrudes beyond the outline of the housing. The controls of the cleaning robot can be unchanged when used with or without the cleaning element.
- the cleaning robot can improve the cleaning of the floor surface even in small corners or angles.
- a vertical pressure on the cleaning element can be maintained by the pressing device, so that the cleaning of the floor surface is effective.
- the cleaning robot preferably includes a drive for moving the cleaning element relative to the housing.
- the drive can be set up to drive the cleaning element, for example, in a cyclic, oscillating or linear movement. This allows the cleaning element to move faster over the floor surface than the cleaning robot. A cleaning effect can be enhanced.
- the pressing device includes a pressing plate.
- the pressure plate is above the cleaning element and is opposite Housing of the cleaning robot supported.
- the pressure plate can be rigid or flexible in itself. It can cover the entire section of the cleaning element lying below the housing or only part of it. A surface of the pressure plate can form a low coefficient of friction with the cleaning element.
- the pressing device can comprise one or more pressing elements, each of which can be rotated about a substantially horizontal axis of rotation.
- a pressing element can be flexible and can be made of polyurethane foam, for example.
- the pressing element can also be elastic and can be produced from a rubber or a polymer, for example.
- the pressing member is rigid. Energy consumption of the drive can be reduced due to the reduced friction.
- the cleaning element is set up to be rotated about an essentially vertical axis of rotation relative to the housing.
- the horizontal axis of rotation of a pressing element is essentially perpendicular to the vertical axis of rotation of the cleaning element.
- the cleaning element preferably has the shape of a circular area or sweeps over a circular area when it is rotated about the vertical axis of rotation.
- one or more horizontal axes of rotation can be provided, on each of which one or more pressing elements can be provided.
- Pressure elements adjacent to a horizontal axis of rotation can take into account the different peripheral speeds of the cleaning element rotating about the vertical axis of rotation.
- a possible width of a pressing element can be in the range of approx. 0.5 to 2 cm.
- a pressing element can also be wider and, in extreme cases, can extend over the entire radius of the cleaning element. In this case, the pressing element can be cylindrical.
- the pressing element has the shape of a truncated cone.
- a first end of the truncated cone faces the vertical axis of rotation of the cleaning element and a second end faces away from it.
- a scope of Pressing element at the first end to be smaller than at the second end.
- the circumferences are preferably selected in such a way that the pressing element can engage at both ends without slipping into the cleaning element rotating about the vertical axis of rotation.
- the pressing element does not have to cover the full radius of the cleaning element. If several pressing elements are provided on different horizontal axes of rotation, they can cover different radius sections of the cleaning element.
- the axis of rotation of the pressing element is usually not exactly horizontal, but encloses a small angle with the ground due to its conicity. The angle between the axis of rotation of the pressing member and the axis of rotation of the cleaning member may therefore deviate slightly from a right angle.
- the movements of the drive and a pressing element can be coupled to one another.
- the drive acts on the cleaning element via a pressing element.
- a force for moving the cleaning element can thus be introduced into the cleaning element over a relatively large area.
- the drive acts on the cleaning element, with the cleaning element driving the pressing element.
- the flexible cleaning member can be prevented in an improved manner from being deformed under the action of a driving force or being lifted off the floor surface. An engagement between the pressing element and the cleaning element can take place in a non-positive or positive manner.
- the pressing element can be structured on a surface facing the cleaning element.
- the surface can be roughened, for example, or have regular or irregular bodies extending in the direction of the cleaning element.
- An engagement between the pressing element and the cleaning element can be improved as a result.
- a pressing force of the pressing element on the cleaning element can also be modulated.
- the cleaning element is structured on a surface assigned to the pressing element.
- the embodiments can also be combined with one another, so that the cleaning element and the Pressing element have mutually corresponding structured surfaces. These can interlock in a form-fitting manner in order to improve the transmission of force between them.
- FIGS. 1 and 2 a cleaning robot with movable cleaning elements
- FIGS. 3 and 4 a cleaning robot in the event of a collision with an obstacle
- FIGS. 5 to 11 further embodiments of a cleaning robot
- Figures 12 to 14 represent embodiments of pressing elements.
- FIG. 1 shows the cleaning robot 100 from above and FIG. 2 from below.
- the cleaning robot 100 is set up to drive over a floor surface 105 and to clean it.
- An outline of the cleaning robot 100 is defined by a housing 110 .
- a sensor 115 for contactless scanning of an environment for example a LiDAR sensor, can be provided on an upper side of the housing 110 .
- a conventional cleaning device 120 is optionally provided on an underside of the housing 110 and can include a suction mechanism and/or a brush roller.
- a cleaning element 125 is also provided, which can be moved relative to the housing 110 by means of a drive 130 .
- Several cleaning elements 125 can also be provided. In FIG. 1, two cleaning elements 125 are provided by way of example, which are attached to the housing 110 in such a way that they touch one another or overlap slightly. This results in a processing width 135 of the cleaning robot 100 on the floor surface 105, indicated in FIG.
- the cleaning element 125 lies on a first section 140 below the housing 110 and projects on a second section 145 beyond the housing 110 .
- the sections 140, 145 are marked with different hatchings in FIG.
- the cleaning element 125 is preferably flat, for example plate-shaped, more preferably flexible, and can be made of silicone, polymer or textile, for example.
- a pressing device 150 is provided in the area of the first section 140 in order to press the cleaning element 125 against the floor surface 105 .
- the pressing device 150 can act on the entire first section 140 or only on part of it.
- a drive wheel 155 can be provided for moving the cleaning robot 100 over the floor surface 105 .
- one or more support wheels 160 can optionally be provided.
- the drive wheel 155 can be controlled by a control device (not shown), which is set up to guide the cleaning robot 100 systematically over the floor surface 105 depending on a scan by the sensor 115 .
- the control device can control the cleaning device 120 and/or a movement of the cleaning element 125 .
- a moistening device of a cleaning element 125 or of a section in front of the cleaning robot 100 can be controlled by the control device.
- FIGS. 3 and 4 show a cleaning robot 100 in the event of a collision with an obstacle 165.
- the obstacle 165 can, for example, comprise a piece of furniture, another object in a household, a person or a wall.
- the first section 140 of the cleaning element 125 lying below the housing 110 is protected against contact with the obstacle 165 .
- the flexible cleaning element 125 can be deflected upwards and deformed to such an extent that it gives way upwards and lies between the cleaning robot 100 and the obstacle 165 in the horizontal direction. Since the cleaning element 125 is made of a flat, preferably thin material, the cleaning robot 100 can move practically right up to the obstacle 165 despite the cleaning element 125 protruding beyond its outline.
- the flexible or soft material of the cleaning element 125 preferably prevents damage to the obstacle 165 .
- Figure 5 shows another embodiment of a cleaning robot 100.
- the cleaning element 125 is not rotatable about a vertical axis, but relative to the Housing 110 arranged parallel to the bottom surface 105 slidably.
- the drive 130 can be set up, for example, to move the cleaning element 125 in an oscillating manner in the longitudinal or transverse direction.
- the cleaning element 125 can also be guided, for example, on an ellipse or a circle.
- the cleaning element 125 is essentially rectangular, but other shapes are also conceivable.
- FIG. 6 shows a further embodiment of a cleaning robot 100 from its underside.
- a cleaning element 125 has been removed so that the drive 130 can be seen, which is set up to rotate the cleaning element 125 about an axis of rotation, in particular a vertical one.
- a pressing device 150 designed as a pressing plate is also visible. If the cleaning element 125 is connected to the drive 130, it can be pressed against the floor surface 105 in the first section 140 by the pressing plate 150.
- a surface of the pressure plate 150 is preferably smooth in order to keep frictional forces to the cleaning element 125 as low as possible.
- FIG. 7 shows yet another embodiment of a cleaning robot 100.
- the cleaning element 125 is mounted such that it can rotate about a vertical axis of rotation 170.
- a horizontal axis of rotation 175 runs perpendicular thereto, about which the pressing device 150 can be rotated.
- the pressing device 150 comprises a plurality of pressing elements 180 which are arranged in an axially offset manner on the horizontal axis of rotation 175 .
- all pressing elements 180 that lie on the same axis of rotation 175 have the same radius.
- the individual pressing elements 180 are not connected to one another in a rotationally fixed manner, so that a pressing element 180 lying radially on the inside with respect to the vertical axis of rotation 170 can rotate more slowly than a pressing element 180 lying radially further outside when the cleaning element 125 is rotated about the vertical axis of rotation 170.
- only one pressing element 180 can be provided, which can extend over a predetermined section of the radius of the cleaning element 125 .
- FIG. 8 shows the embodiment of a cleaning robot 100 according to FIG. 7 in a view from below and with the cleaning element 125 removed. It can be seen here that several horizontal axes of rotation 175 are preferably provided, on each of which one or more pressing elements 180 are arranged. everyone is preferred horizontal axes of rotation 175 in a plane that usually runs parallel to the bottom surface 105, and are perpendicular to the vertical axis of rotation 170.
- FIG. 9 shows yet another embodiment of a cleaning robot 100.
- a pressing element 180 is provided here, which has the shape of a truncated cone, so that its circumference around the essentially horizontal axis of rotation 175 decreases as the distance from the vertical axis of rotation 170 decreases.
- the pressing element 180 is designed to be drivable.
- a shaft along the horizontal axis of rotation 175 is connected to a first gear wheel 185 which meshes with a second gear wheel 190 which is rotatable about the vertical axis of rotation 170 .
- the drive 130 is set up to drive the second gear wheel 190 .
- the cleaning element 125 can then be driven about the vertical axis of rotation 170 by the pressing element 180 .
- the drive 130 is set up to drive the cleaning element 125 about the vertical axis of rotation 170, with the second gear wheel 190 being fixedly connected to the cleaning element 125 so that the first gear wheel 185 and thus the pressing element 180 rotate about the essentially horizontal axis Axis of rotation 175 drives.
- FIG. 10 shows a cleaning robot 100 according to FIG. 9 in a view from below and with the cleaning element 125 removed.
- the second toothed wheel 190 is also removed together with the cleaning element 125 .
- FIG. 11 shows yet another embodiment of a cleaning robot 100.
- a constellation of the embodiment of FIG. 9 with a pressing element 180 in the shape of a truncated cone is assumed here.
- the cleaning element 125 has a structuring 195 on an upper side that faces the pressing element 180.
- the pressing element 180 has a corresponding structuring 195, so that the pressing element 180 can engage in the cleaning element 125 in a form-fitting manner.
- only the cleaning element 125 or only the pressing element 180 can have a structured surface.
- FIGS. 12 to 14 show different embodiments of a structure 195 of a pressing element 180.
- FIG. 12 shows essentially axially running webs corresponding to the embodiment shown in FIG.
- the webs 195 are distributed at regular intervals around the horizontal axis of rotation 175 on the lateral surface of the pressing element 180 .
- Each web 195 can be raised or provided as a depression.
- FIG. 13 shows a structuring 195 in the form of pyramids which are regularly distributed on the lateral surface and extend radially away from the horizontal axis of rotation 175 .
- this structuring 195 can also be designed as a depression.
- FIG. 14 shows a further variant of the structuring 195 in the form of flat, spherical knobs which are regularly distributed on the lateral surface.
- a negative embodiment is also possible.
- the structuring 195 of the cleaning element 125 can be designed to correspond to the structuring 195 of the pressing element 180 . If one element 125, 180 has an elevation, the other has a depression. Apart from the structuring 195 shown, any other desired ones are also possible.
Landscapes
- Electric Suction Cleaners (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021210609.9A DE102021210609B4 (de) | 2021-09-23 | 2021-09-23 | Reinigungsroboter |
| PCT/EP2022/074566 WO2023046446A1 (de) | 2021-09-23 | 2022-09-05 | Reinigungsroboter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4404811A1 true EP4404811A1 (de) | 2024-07-31 |
| EP4404811B1 EP4404811B1 (de) | 2026-03-25 |
Family
ID=83361147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22772964.7A Active EP4404811B1 (de) | 2021-09-23 | 2022-09-05 | Reinigungsroboter |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240285145A1 (de) |
| EP (1) | EP4404811B1 (de) |
| DE (1) | DE102021210609B4 (de) |
| WO (1) | WO2023046446A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023208398A1 (de) * | 2023-08-31 | 2025-03-06 | BSH Hausgeräte GmbH | Reinigungsvorrichtung mit einem Wischtuchträger mit exzentrisch auslenkbarer Rotationsachse |
| DE102023208397B3 (de) * | 2023-08-31 | 2024-08-14 | BSH Hausgeräte GmbH | Reinigungsvorrichtung mit einem flexiblen Wischtuchträger |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO313533B1 (no) | 2000-10-30 | 2002-10-21 | Torbjoern Aasen | Mobil robot |
| US20040031113A1 (en) * | 2002-08-14 | 2004-02-19 | Wosewick Robert T. | Robotic surface treating device with non-circular housing |
| DE102009049637A1 (de) | 2009-10-15 | 2011-04-28 | Carl Freudenberg Kg | Reinigungsroboter |
| DE102010045096A1 (de) | 2010-09-13 | 2012-03-15 | Carl Freudenberg Kg | Antriebssystem für ein Reinigungsgerät sowie Reinigungsgerät |
| WO2016123421A1 (en) * | 2015-01-31 | 2016-08-04 | Mini-Mole Llc | Automatic floor cleaning robot |
| US20170290487A1 (en) * | 2016-04-12 | 2017-10-12 | Ya-Ching Yang | Dusting device for cleaning machine |
-
2021
- 2021-09-23 DE DE102021210609.9A patent/DE102021210609B4/de active Active
-
2022
- 2022-09-05 EP EP22772964.7A patent/EP4404811B1/de active Active
- 2022-09-05 US US18/693,235 patent/US20240285145A1/en active Pending
- 2022-09-05 WO PCT/EP2022/074566 patent/WO2023046446A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20240285145A1 (en) | 2024-08-29 |
| EP4404811B1 (de) | 2026-03-25 |
| DE102021210609B4 (de) | 2023-03-30 |
| DE102021210609A1 (de) | 2023-03-23 |
| WO2023046446A1 (de) | 2023-03-30 |
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