EP1691657B1 - Selbstfahrendes oder zu verfahrendes kehrger t sowie kombina tion eines kehrger tes mit einer basisstation - Google Patents

Selbstfahrendes oder zu verfahrendes kehrger t sowie kombina tion eines kehrger tes mit einer basisstation Download PDF

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Publication number
EP1691657B1
EP1691657B1 EP04804702A EP04804702A EP1691657B1 EP 1691657 B1 EP1691657 B1 EP 1691657B1 EP 04804702 A EP04804702 A EP 04804702A EP 04804702 A EP04804702 A EP 04804702A EP 1691657 B1 EP1691657 B1 EP 1691657B1
Authority
EP
European Patent Office
Prior art keywords
sweeping device
cleaning
sweeping
base station
liquid
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.)
Not-in-force
Application number
EP04804702A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1691657A1 (de
Inventor
Dieter Kalemba
Birgit Gawlik
Jörg Sommer
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding GmbH
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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to EP11196159.5A priority Critical patent/EP2436296B1/de
Publication of EP1691657A1 publication Critical patent/EP1691657A1/de
Application granted granted Critical
Publication of EP1691657B1 publication Critical patent/EP1691657B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/50—Auxiliary implements
    • 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
    • A47L11/29—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
    • 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
    • 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
    • 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
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/26—Other cleaning devices with liquid supply arrangements
    • 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
    • A47L2201/028—Refurbishing floor engaging tools, e.g. cleaning of beating brushes

Definitions

  • the invention relates to a self-propelled sweeper with a base station according to the features of the preamble of claim 1.
  • Sweepers of the type in question are known. So is in the DE 44 14 683 A1 a sweeping machine is described and illustrated, which is provided with a device for receiving dust, debris or the like from a surface to be cleaned with sweeping brushes and a receiving chamber for recorded dirt.
  • This sweeping device can be interconnected with a suction device for emptying the receiving chamber.
  • the sweeping device known from the aforementioned patent application is designed as a hand-held or stalk-guided device having an electric motor for driving the sweeping brushes.
  • self-propelled sweeping devices such as sweeping robots are known which autonomously work larger surfaces, especially hard surfaces clean with sweeping brushes and keep the collected dirt in a recording. In this regard, for example, on the DE 102 42 257 A1 directed.
  • a sweeping device in which a liquid application device is arranged, which provided in the direction of travel behind the sweeping brush and another behind it still provided dehumidifying device.
  • the invention is concerned with the task of designing a self-propelled sweeper with a base station advantageous.
  • a complete cleaning especially hard floors is possible.
  • the sweeping is followed by a damp mop. It is thereby possible a complete cleaning.
  • the individual components of the sweeping device - sweeping device, liquid application device and dehumidifying device - preferably work simultaneously. It is also conceivable, however, a solution in which individual modules can be added as needed.
  • the specified solution also results in a novel process for cleaning hard floors, especially in the household sector, wherein first swept in a single operation, hereafter a liquid application to the hard floor and finally takes the recording of the offset with liquid particles liquid film.
  • a cleaning roller is arranged in front of the dehumidifying device, by means of which the soil moistened by the liquid application device is mechanically processed. So even stubborn dirt on the hard floor can be eliminated in one operation.
  • the cleaning with such, preferably driven by an electric motor rotating cleaning roller leads without multiple forward and backward movement of the sweeping device over the area to be cleaned to very good results.
  • the cleaning roller is preferably covered with a cleaning cloth.
  • the cleaning roller may also be a bristle roller.
  • the cleaning roller rotates with a relative to the travel speed of the sweeper higher relative speed relative to the ground.
  • a rotational speed of the cleaning roller of more than 500 rpm, such as about 2000 rpm, is given.
  • the liquid application device arranged behind the sweeping brush in the direction of travel serves to wet the soil with cleaning liquid, for which purpose the liquid application device preferably has a metering gap oriented transversely to the direction of travel.
  • the liquid application device is formed by a plurality of application nozzles arranged side by side transversely to the direction of travel.
  • the liquid output can be gravity assisted by opening and closing a valve.
  • the liquid is dispensed by pumping, such as by Arrangement of a metering pump, such as a mini-diaphragm pump.
  • the targeted application of a small amount of cleaning liquid for wetting the soil is sufficient.
  • the order is preferably from 0.25 to 1 liter, more preferably 0.5 liter per 10m 2 .
  • the fresh water tank and possibly provided waste water tank can be dimensioned relatively small. If necessary, apply more cleaning fluid to heavily soiled areas
  • a suction device can be provided with a, an air flow generating suction / blower motor and a shutdown sheath.
  • the dehumidifying device is designed as a wipe.
  • a wipe may in this case be a cloth which is stretched in the bottom area of the sweeper.
  • the wipe is arranged circumferentially.
  • wraparound wipe can be used much longer, as this can absorb more liquid than a bottom-mounted wiper due to its greater length.
  • the wraparound wipe can be dehumidified by squeezing, whereby the liquid emerging in this case is taken up in a collecting container.
  • a collecting container for example, two rollers are provided, between which the wipe is moved through.
  • the sweeping device such as a sweeping robot operated by a battery.
  • both the rotating sweeping brush and the cleaning roller and the dehumidifying device, in particular the rotating wipe is driven, further, for example, via an integrated electronics dosing of the liquid output is adjustable.
  • This electronics can be used to trigger the pump or valve to dispense the liquid at intervals adjusted to the desired dosage.
  • the arrangement of a known dirt sensor is conceivable, by means of which the output quantity of the liquid is automatically adjusted in accordance with the determined degree of soiling of the hard floor to be cleaned.
  • This dirt container can either be removed and emptied after the cleaning process or vacuumed with the help of a vacuum cleaner.
  • DE 4414 683 A1 Reference is hereby made, the content of which is hereby incorporated in full into the disclosure of the present invention, also for the purpose of including features of this patent application in claims of the present invention.
  • a cleaning device in the base station can also be used in dry sweepers as known from the prior art described above.
  • a sweeper which downstream of a dry machining has a wet processing device according to the invention described above.
  • a cleaning of the tillage devices of the device in an advantageous manner during a parking position of the sweeper in the base station optionally in addition to a charging of the device-side accumulator, a cleaning of the tillage devices of the device.
  • any adhering dirt residues on the sweeping brush and / or on the dehumidifying device are advantageously removed in the parking position of the device.
  • a cleaning device for the cleaning roller is provided in the base station.
  • the cleaning device consists of a cleaning brush, wherein further a plurality of cleaning brushes are provided which associated with the individual cleaning components of the device interact with these.
  • the cleaning brush partially immersed in a cleaning liquid or is wetted with such, according to which a wet cleaning of the cleaning components of the device is feasible
  • the cleaning device is arranged in the bottom of a receiving space of the base station for the sweeper, such as in the form of a Underfloor cleaning device, wherein a plurality of cleaning brushes are arranged in a, a cleaning fluid-containing pan, which is run over by the device under the edge-side support of the tub.
  • a liquid reservoir is provided for filling a tank of the sweeper.
  • This sweeper tank stores a cleaning fluid used for damp cleaning a hard floor.
  • this tank is refilled in the parking position of the device via the station-side liquid reservoir.
  • This filling can be automated, for example, by docking the device-side tank to the Müsstechniks-Vorräts practicer.
  • the device-side tank can for this purpose have a self-closing valve.
  • a receptacle for dirty water is provided in the base station.
  • the container receiving the collected dirty water is more preferably automatically emptied, for example, by docking and gravity assisted.
  • FIGS. 1 and 2 show a sweeping device 1 according to the invention in the form of an automatically movable cleaning robot with a chassis 2 and a chassis 2 covering the cover 3, as shown in DE 102 42 257 A1 as a ground dust collecting device is known.
  • the content of this patent application is hereby incorporated in full into the disclosure of the present invention, also for the purpose of including features of this patent application in claims of the present invention.
  • the autonomously operating sweeping device 1 has two electric motor driven Verfahrh 4.
  • a liquid application device 10 is provided behind the sweeping brush 6 or the dirt ramp 8 - viewed in the direction of travel r - .
  • This has a tank 11 for storing a cleaning liquid, which opens in the area of the bottomed by the sweeping brush 6 and the dirt ramp 8 Chassisteils 12 in a direction transverse to the direction r dosing gap 13.
  • This metering gap 13 can be opened and closed via a valve 14.
  • the release of liquid takes place after opening the valve 14 with gravity support.
  • a configuration is also conceivable in which the liquid is supplied via a metering pump. Furthermore, a dosage of the liquid dispensing is provided. This dosage can be done manually via a regulator.
  • the metering can also take place with the aid of an electronic evaluation unit.
  • the liquid application device 10 downstream of a cleaning roller 15 is provided, which extends equal to the sweeping brush 6 transversely to the direction of travel r and is rectified with respect to their direction of rotation to the sweeping brush 6.
  • the cleaning roller 15 is a bristle roller for mechanical brushing of the hard floor 7 moistened by the liquid applicator 10.
  • the rotational speed, in particular of the cleaning roller 15, is selected such that it rotates with a relative speed, which is higher relative to the hard bottom 7, in comparison with the travel speed of the sweeper 1.
  • both the cleaning roller 15 and the sweeping brush 6 preferably rotate at a speed of about 1000 rpm.
  • the cleaning roller 15 may also be covered with a cleaning cloth 16.
  • a dehumidifying device 17 is provided for receiving the dirty water located on the hard floor 7.
  • This dehumidifying device 17 may be a suction device, for which purpose a non-illustrated suction fan is arranged in the sweeping device 1. This is assigned to a liquid separator.
  • the dehumidifying device 7 may also be formed in the simplest manner by a wiper 18 spanned under the chassis bottom 12, which is set according to receiving a larger amount of liquid.
  • the rotational speed of this endless wipe is set low.
  • This alternative solution can be used much longer, since such a circumferential wiper 18 can absorb more liquid due to its greater length.
  • the rotating wipe 18 is dehumidified by squeezing, including two additional rollers 20 are provided, between which the wiper 18 is performed by means of these rollers 20, the wiper 18 is wrung out, wherein the liquid emerging in this case is received in a collecting container 21.
  • a cleaning roller 15 and a final dehumidifying device 17 in a device is a simplified and also hygienic complete cleaning of a hard floor accessible.
  • a coarse dirt pickup is done by sweeping, only a relatively low Nüsstechniks Committee is required for conventional wet cleaning for subsequent wet cleaning.
  • about 1 liter of cleaning fluid is sufficient for an area of about 20 square meters to be cleaned. Accordingly small, the tank 11 and the collecting container 21 can be dimensioned, which in turn leads to a compact design of the sweeping device 1.
  • the electric motors for the sweeping brush 6, the cleaning roller 15 and the drive for the rotating wiper 18 are operated via a battery 22 shown only schematically, via which a power supply of a control unit, for example, to control the valve 14 in the metering gap 13 can be achieved.
  • the base station 23 may have a cleaning device 31 for self-cleaning of the sweeping device 1, for which purpose in the base station 23 a bottom filled with a cleaning liquid 30 trough 24 is provided, via which the sweeping brush 6, the cleaning roller 15 and optionally the wiper 18 at tub edge side support of the sweeping device 1 hover over the Verfahr 1993 4.
  • a cleaning device 31 for self-cleaning of the sweeping device 1 for which purpose in the base station 23 a bottom filled with a cleaning liquid 30 trough 24 is provided, via which the sweeping brush 6, the cleaning roller 15 and optionally the wiper 18 at tub edge side support of the sweeping device 1 hover over the Verfahrcken 4.
  • the cleaning components of the sweeper 1 are cleaned automatically, with the arranged in the underfloor pool 24 arranged cleaning brushes 25 active can be driven and rotated about these rotating cleaning brushes 25, the sweeping brush 6 and the cleaning roller 15 for the complete cleaning thereof.
  • the rotating wipe 18 is moved over the other cleaning brushes 25 in the circumferential direction for complete cleaning
  • the emptying of the collecting container 21 in the base station 23 is also conceivable, for which purpose the base station 23 has a receptacle for the dirty water.
  • This emptying can also be done automatically when docking the device 1 to the base station 23, for example, a self-closing valve is opened when docking and the stored in the reservoir 21 dirty water gravity assisted runs in the station-side receptacle.
  • a non-inventive sweeping device 1 can also be designed in the form of a hand or stalk-stirred device.
  • the sweeping device 1 is provided with a receptacle 26, in which a, provided at the end with a Fübrungsgriff 27 device handle 28 can be inserted.
  • the arrangement of the individual cleaning components such as sweeping brush 6, liquid applicator 10, cleaning roller 15 and dehumidifying device 17 correspond to the arrangement in the embodiments described above.
  • the electric motors used to drive the individual components are accumulator-operated by this stalk-guided device.
  • no elektromo torically driven Verfahrer are provided.
  • the support of the device on the hard floor 7 via conventional support rollers or the like.
  • this hand-held sweeping device 1 is also a sweeping / wet cleaning of overground surfaces and, for example, vertical surfaces possible, such as for cleaning wall tiles or shower enclosures.

Landscapes

  • Cleaning In General (AREA)
  • Electric Suction Cleaners (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Brushes (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
EP04804702A 2003-12-10 2004-12-07 Selbstfahrendes oder zu verfahrendes kehrger t sowie kombina tion eines kehrger tes mit einer basisstation Not-in-force EP1691657B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11196159.5A EP2436296B1 (de) 2003-12-10 2004-12-07 Zu verfahrendes Kehrgerät

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357637A DE10357637A1 (de) 2003-12-10 2003-12-10 Selbstfahrendes oder zu verfahrendes Kehrgerät sowie Kombination eines Kehrgeräts mit einer Basisstation
PCT/EP2004/053303 WO2005055795A1 (de) 2003-12-10 2004-12-07 Selbstfahrendes oder zu verfahrendes kehrgerät sowie kombination eines kehrgerätes mit einer basisstation

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11196159.5A Division EP2436296B1 (de) 2003-12-10 2004-12-07 Zu verfahrendes Kehrgerät
EP11196159.5 Division-Into 2011-12-30

Publications (2)

Publication Number Publication Date
EP1691657A1 EP1691657A1 (de) 2006-08-23
EP1691657B1 true EP1691657B1 (de) 2012-05-02

Family

ID=34638566

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04804702A Not-in-force EP1691657B1 (de) 2003-12-10 2004-12-07 Selbstfahrendes oder zu verfahrendes kehrger t sowie kombina tion eines kehrger tes mit einer basisstation
EP11196159.5A Not-in-force EP2436296B1 (de) 2003-12-10 2004-12-07 Zu verfahrendes Kehrgerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11196159.5A Not-in-force EP2436296B1 (de) 2003-12-10 2004-12-07 Zu verfahrendes Kehrgerät

Country Status (8)

Country Link
EP (2) EP1691657B1 (es)
JP (1) JP4519140B2 (es)
CN (1) CN1889881A (es)
AT (1) ATE555708T1 (es)
DE (1) DE10357637A1 (es)
ES (2) ES2384618T3 (es)
RU (1) RU2006124525A (es)
WO (1) WO2005055795A1 (es)

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