EP2974640B2 - Robot aspirateur dote d'un rouleau de soie et procede de nettoyage pour un rouleau de soie d'un robot aspirateur - Google Patents

Robot aspirateur dote d'un rouleau de soie et procede de nettoyage pour un rouleau de soie d'un robot aspirateur Download PDF

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Publication number
EP2974640B2
EP2974640B2 EP15175038.7A EP15175038A EP2974640B2 EP 2974640 B2 EP2974640 B2 EP 2974640B2 EP 15175038 A EP15175038 A EP 15175038A EP 2974640 B2 EP2974640 B2 EP 2974640B2
Authority
EP
European Patent Office
Prior art keywords
bristle roller
vacuum cleaner
robotic vacuum
blade
bristle
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.)
Active
Application number
EP15175038.7A
Other languages
German (de)
English (en)
Other versions
EP2974640B1 (fr
EP2974640A1 (fr
Inventor
Carina Uphoff
Markus Thamm
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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
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Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2974640A1 publication Critical patent/EP2974640A1/fr
Publication of EP2974640B1 publication Critical patent/EP2974640B1/fr
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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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0455—Bearing means therefor
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0494—Height adjustment of dust-loosening 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B17/00—Accessories for brushes
    • A46B17/06—Devices for cleaning brushes after use
    • 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
    • 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
    • A47L2201/02—Docking stations; Docking operations

Definitions

  • the invention relates to a vacuum robot with a bristle roller arranged on an underside of a housing of the vacuum robot and rotatable about a horizontal axis.
  • the invention further relates to a method for cleaning a rotatable bristle roller of such a vacuum robot.
  • Suction robots serve as self-propelled cleaning devices for the automated cleaning of surfaces without having to be pushed or guided by a user.
  • the devices are usually wireless in order to be able to navigate easily over an area to be cleaned, for example within an apartment, without a drive cable getting tangled in furniture or other obstacles.
  • the robot vacuum obtains its energy from rechargeable batteries that it carries, which it can recharge - if necessary independently - at a charging station positioned inside the apartment.
  • a rotating bristle roller is provided to support the suction fan in suction robots of the type mentioned at the beginning. This is usually arranged on the underside of the housing of the robot vacuum in the immediate vicinity of a suction mouth of the robot vacuum. When they rotate about a horizontal axis, bristles of the bristle roller whirl up dirt particles that have got caught in a carpet, for example, so that they can be more easily sucked in by the suction mouth of the robot vacuum and thus picked up.
  • bristle rollers A problem with such bristle rollers is that when the bristle roller rotates, threads and / or hair can wind around the bristle roller, causing the bristles of the bristle roller to clog and contribute less effectively to cleaning the substrate. Up to now, coiled hair or threads could only be removed manually from the bristle roller.
  • a floor nozzle for a conventional vacuum cleaner in which a rotating bristle roller is arranged.
  • a blade is arranged in this floor nozzle above the bristle roller, which can be lowered onto the bristle roller by actuating a foot switch. With the bristle roller rotating, the blade then cuts hair and threads into smaller pieces and lifts them off the bristle roller so that they can be vacuumed up.
  • a suction robot according to the invention of the type mentioned at the outset is characterized in that the height of the axis of the bristle roller is adjustable relative to the housing, the bristle roller being spaced apart from the blade in a lower position and the bristle roller in engagement with the upper position Blade is. According to the invention, it is therefore not the blade but the bristle roller that is vertically movably mounted in order to bring the bristle roller and the blade into engagement with one another and to remove hair and threads from the bristle roller.
  • the mobility of the vacuum robot can then advantageously be used to bring the bristle roller into the upper position for cleaning by moving onto a suitable element. The cleaning position can thus be taken without the need for a separate adjusting element for the bristle roller or the blade.
  • the axis of the bristle roller is mounted in laterally arranged bearings, the bearings in turn being guided in vertically displaceable guides. In this way, the bristle roller can be moved vertically in a structurally simple manner.
  • the bristle roller is preferably pressed into a lower position by springs.
  • the blade is formed over the substantially entire width of the bristle roller.
  • the blade preferably points obliquely downwards. Both features achieve a good cleaning effect for the entire bristle roller.
  • the bristle roller rotates for a predetermined period of time at a speed which is above an operating speed of the bristle roller in suction mode. This enables effective cleaning in a short time.
  • a suction fan of the vacuum robot is preferably operated while the bristle roller is rotating in the raised position.
  • a self-propelled vacuum robot 1 is shown in a schematic sectional view. The cut is carried out along a longitudinal axis of the vacuum robot 1 lying in the direction of travel. The vacuum robot 1 is in the representation of the Figure 1 shortly before a charging station 30 also shown.
  • the vacuum robot 1 has a housing 2 with an underside 3. In the front area of the housing 2, a tunnel-like recess 4 is arranged on the underside 3, in which there is a bristle roller unit 10 with a bristle roller 11. A blade 20 is arranged above the bristle roller 11. The bristle roller 11, like the blade 20, is transverse to the longitudinal axis and thus to the cutting plane Figure 1 aligned.
  • a drive system is arranged in the housing of the vacuum robot 1 and acts on two drive wheels 5, of which the designation shown in FIG Figure 1 only one is visible.
  • the drive wheels 5 can be driven independently of one another via drive motors, not shown here.
  • a support wheel is provided in the rear area of the vacuum robot 1, which is either pivotable or designed as a ball that can be rotated in all directions.
  • a suction system is arranged in the housing 2 of the vacuum robot 1, in which a suction mouth, which is located in the area of the bristle roller unit 10, interacts in a known manner with a filter system, for example a vacuum cleaner bag, and with a suction blower motor.
  • a filter system for example a vacuum cleaner bag
  • a suction blower motor for example a suction blower motor.
  • the charging station 30 serves, among other things, to charge a rechargeable battery of the vacuum robot 1.
  • the suction robot 1 can start the charging station 30, whereupon an energy transfer for charging the rechargeable battery can take place via contacts or also contactlessly, for example inductively.
  • the further functionality of the charging station 30 which is relevant in the context of the method according to the application is described in connection with the Figure 3 described in more detail.
  • FIG 2 the area of the bristle roller unit 10 of the vacuum robot 1 is shown in a partially sectioned illustration. The cut runs transversely through the housing 2 of the vacuum robot 1, the bristle roller 11 not being cut for the sake of better illustration, but rather being shown in a top view.
  • the bristle roller 11 has a plurality of bristles 12 which are arranged in a number of rows in a wave shape along the bristle roller 11. Wavy webs 13 are also provided between the rows of bristles 12. These webs 13 prevent ingested hair and / or threads working deep into the bristles 12, from where they are difficult to remove.
  • the cleaning method according to the application for the bristle roller 11 can, however, also be carried out in the case of a bristle roller without such webs.
  • the bristle roller 11 is connected to a horizontal axis 14. Via this axis 14, the bristle roller 11 can be driven in rotation by an electric motor, not shown here.
  • the axis 14 is mounted on both sides in bearings 15, for example plain bearing bushes or roller bearings.
  • the bearings 15 are not firmly connected to the housing 2, but are guided in guides 6 so as to be movable in the vertical direction.
  • the guides 6 are fixed to the housing 2 or formed as part of the housing 2. In this case, springs 16 are provided which press the bearings 15 downwards relative to the housing 2.
  • the lower one, in the Figure 2 The position shown is also the operating position of the bristle roller 11 in the cleaning operation. In this position the bristle roller 11 is also in Figure 1 shown. The ends of the bristles 12 protrude slightly downward beyond the circumference of the drive wheels 5.
  • the vertical displaceability of the bristle roller 11 shown is advantageous in the cleaning operation of the vacuum robot 1, for example in the event of uneven floors.
  • a bristle roller which cannot be displaced vertically relative to the housing 2 there is a risk that the suction robot 1 will get caught on an obstacle with its bristle roller and consequently cannot pass over this obstacle.
  • the vertically displaceable bristle roller 11 can deflect upward, so that the risk of the suction robot 1 getting stuck is reduced.
  • the bristle roller 11 Above the bristle roller 11 is a blade 20 which extends across the entire width of the bristle roller 11. This blade 20 is used to clean the bristle roller 11 and in particular to remove coiled hair and / or threads.
  • the tips of the bristles 12 are spaced from the blade 20.
  • a cleaning action sets in when the blade 20 is engaged with the bristles 12 of the bristle roller 11.
  • the bristle roller 11 is brought from its lower operating position into an upper position, also called a cleaning position.
  • the blade 20 is preferably arranged obliquely, as in FIG Figure 1 is shown. The direction of rotation of the bristle roller 11 or the inclined position are selected such that the bristles 12 move away from the projecting edge of the inclined blade 20.
  • a cleaning method according to the application for the bristle roller 11 is in connection with Figure 3 explained below.
  • FIG 3 shows the robot vacuum 1 of the Figure 1 in a loading position on the charging station 30.
  • the charging station 30 in this situation there is a galvanic or inductive coupling between the charging station 30 and the vacuum robot 1 in order to charge its rechargeable batteries.
  • the charging station 30 has side ramps 31 on the side, which comprise a forward-facing ramp 32 and a trough 33 in the upper region.
  • the ramps 31 are designed to be correspondingly narrow for this purpose and have the distance between the bearings 15 from one another.
  • the guides 6, in which the bearings 15 are guided vertically, are designed to be open towards the front, so that the robot vacuum cleaner 1 is not hindered in its onward travel, but the bearings 15 are raised.
  • the bearings 15 rest in the troughs 33 formed on the ramps 31, the bristle roller 11 being raised from the operating position to the cleaning position.
  • the bristle roller 11 rotates for a predeterminable period of time while the blade 20 is in engagement with the bristles 12.
  • the suction fan is operated in order to suck up hair or threads removed from the bristle roller 11.
  • the bristle roller 11 is operated briefly at a speed that is above the speed normally used in operation in order to achieve a good cleaning effect and to shorten the duration of the cleaning cycle.
  • a positive side effect of the increased speed is that cut hair or threads, but also other dirt particles that have become lodged in the bristle roller 11, are thrown out of the bristle roller 11 by increased centrifugal forces.
  • the bristle roller 11 is designed to be removable for a user of the vacuum robot 1.
  • the vacuum robot 1 provides for the blade 20 to be pivotably mounted.
  • the pivoting mechanism can be particularly advantageously coupled to the springs 16 in the guide 6 in such a way that the blade 20 is pivoted out of the grip area of a user when the bristle roller 11 is removed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)

Claims (8)

  1. Robot aspirateur (1) comportant un rouleau de soie (11) disposé sur une face inférieure (3) d'un boîtier (2) du robot aspirateur (1) et pouvant tourner autour d'un axe (14) horizontal, un système d'entraînement étant disposé dans le robot aspirateur, le système d'entraînement agissant sur deux roues motrices, caractérisé en ce qu'au-dessus du rouleau de soie (11) est disposée une lame (20) fixe par rapport au boîtier (2), et en ce que l'axe (14) du rouleau de soie (11) est réglable en hauteur par rapport au boîtier (2), le rouleau de soie (11) étant espacé de la lame (20) dans une position inférieure, et le rouleau de soie (11) étant en prise avec la lame (20) dans une position supérieure.
  2. Robot aspirateur (1) selon la revendication 1, dans lequel l'axe (14) du rouleau de soie (11) est monté dans des paliers (15) disposés latéralement, les paliers (15) étant à leur tour guidés de manière coulissante verticalement dans des guides (6).
  3. Robot aspirateur (1) selon la revendication 1 ou 2, dans lequel le rouleau de soie (11) est pressé par des ressorts (16) dans une position inférieure.
  4. Robot aspirateur (1) selon l'une des revendications 1 à 3, dans lequel la lame (20) est réalisée sensiblement sur toute la largeur du rouleau de soie (11).
  5. Robot aspirateur (1) selon l'une des revendications 1 à 4, dans lequel la lame (20) est orientée obliquement vers le bas.
  6. Procédé de nettoyage d'un rouleau de soie (11) d'un robot aspirateur (1), comprenant les étapes :
    - de mise en marche d'une station de chargement (30) par le robot aspirateur (1), le rouleau de soie (11) étant soulevé par rapport à un boîtier (2) du robot aspirateur (1) par entraînement du robot aspirateur (1) sur une rampe d'accès (31) de la station de chargement (30), et étant amené en prise avec une lame (20) disposée au-dessus du rouleau de soie (11) dans le boîtier (2) du robot aspirateur (1) ; et
    - de rotation du rouleau de soie (11) pour le nettoyage du rouleau de soie (11), et en particulier pour le retrait de poils et/ou de fils pendant que le rouleau de soie (11) est en prise avec la lame (20).
  7. Procédé selon la revendication 6, dans lequel le rouleau de soie (11) tourne pendant une période de temps prédéterminée à une vitesse de rotation qui est supérieure à une vitesse opérationnelle du rouleau de soie (11) en mode aspiration.
  8. Procédé selon la revendication 6 ou 7, dans lequel, lors de la rotation du rouleau de soie (11) en position relevée, un ventilateur aspirant du robot aspirateur (1) est actionné.
EP15175038.7A 2014-07-17 2015-07-02 Robot aspirateur dote d'un rouleau de soie et procede de nettoyage pour un rouleau de soie d'un robot aspirateur Active EP2974640B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014110025.5A DE102014110025A1 (de) 2014-07-17 2014-07-17 Saugroboter mit rotierender Borstwalze und Reinigungsverfahren für eine Borstwalze eines Saugroboters

Publications (3)

Publication Number Publication Date
EP2974640A1 EP2974640A1 (fr) 2016-01-20
EP2974640B1 EP2974640B1 (fr) 2017-01-25
EP2974640B2 true EP2974640B2 (fr) 2020-02-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15175038.7A Active EP2974640B2 (fr) 2014-07-17 2015-07-02 Robot aspirateur dote d'un rouleau de soie et procede de nettoyage pour un rouleau de soie d'un robot aspirateur

Country Status (3)

Country Link
US (1) US9648999B2 (fr)
EP (1) EP2974640B2 (fr)
DE (1) DE102014110025A1 (fr)

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DE102020124727A1 (de) 2020-09-23 2022-03-24 Miele & Cie. Kg Bodendüse für Staubsauger, Staubsauger und Verfahren zum Betrieb eines Staubsaugers

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020124727A1 (de) 2020-09-23 2022-03-24 Miele & Cie. Kg Bodendüse für Staubsauger, Staubsauger und Verfahren zum Betrieb eines Staubsaugers

Also Published As

Publication number Publication date
DE102014110025A1 (de) 2016-01-21
US20160015233A1 (en) 2016-01-21
US9648999B2 (en) 2017-05-16
EP2974640B1 (fr) 2017-01-25
EP2974640A1 (fr) 2016-01-20

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