EP1764020B1 - Appareil d'aspiration - Google Patents

Appareil d'aspiration Download PDF

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Publication number
EP1764020B1
EP1764020B1 EP06015219A EP06015219A EP1764020B1 EP 1764020 B1 EP1764020 B1 EP 1764020B1 EP 06015219 A EP06015219 A EP 06015219A EP 06015219 A EP06015219 A EP 06015219A EP 1764020 B1 EP1764020 B1 EP 1764020B1
Authority
EP
European Patent Office
Prior art keywords
suction
suction device
unit
mains
battery
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
EP06015219A
Other languages
German (de)
English (en)
Other versions
EP1764020A1 (fr
Inventor
Gottfried Benzler
Maic Hensel
Helmut Meiser
Ulrich Rauleder
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and 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 Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP1764020A1 publication Critical patent/EP1764020A1/fr
Application granted granted Critical
Publication of EP1764020B1 publication Critical patent/EP1764020B1/fr
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
    • 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
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2847—Surface treating elements
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2878—Dual-powered vacuum cleaners, i.e. devices which can be operated with mains power supply or by batteries
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2884—Details of arrangements of batteries or their installation

Definitions

  • the invention relates to a suction device with the features of the preamble of claim 1
  • suction devices are used in particular for floor cleaning.
  • the dirt collecting container can be acted upon by the suction unit with negative pressure, so that starting from the suction brush dirt can be transferred via the suction line in the dirt collecting.
  • the brush roller of the suction brush can additionally be rotated.
  • the suction brush comprises a drive motor coupled to the brush roller.
  • the power supply of the suction device can be done by means of the rechargeable battery to operate the suction device regardless of the accessibility of a mains voltage can.
  • the rechargeable battery is replaceably held in a battery compartment of the suction device.
  • the battery gradually discharges, so it must be recharged after a certain discharge time by means of a charger.
  • WO 2004/032696 A2 is a suction device of the aforementioned type, in which by means of a control device, a total electrical power can be specified, which can be distributed to the suction unit and the drive of the brush roller to achieve the longest possible discharge time of the battery.
  • Object of the present invention is to develop a suction device of the type mentioned in such a way that the discharge of the battery can be extended.
  • the invention includes the idea that the discharge time of the battery can be extended, that is, the time interval can be extended within which the battery discharges when operating the suction device, by the electric power of the suction unit is reduced when the brush roller is turned on.
  • the dirt receptacle is supported by the rotating brush roller, it can therefore be achieved despite reduced electrical power of the suction unit reliable floor cleaning when the brush roller rotates. If the brush roller is turned off, the suction unit is operated at its rated power, the brush roller is set in motion, the electric power of the suction unit is lowered automatically.
  • the suction device has a mains connection for connecting the suction device to a mains voltage, the suction unit optionally being connectable to the rechargeable battery and to the mains connection.
  • a mains connection for connecting the suction device to a mains voltage
  • the suction unit optionally being connectable to the rechargeable battery and to the mains connection.
  • Such a configuration makes it possible to connect the suction device, for example by means of a connecting cable to a mains voltage, in which case the power supply the suction unit is done by means of the mains voltage and not by means of the rechargeable battery.
  • the power supply can be done by means of at least one rechargeable battery.
  • the suction device has a switching unit which connects the suction unit to the mains connection in dependence on the presence of a mains voltage at the mains connection.
  • the switching unit may, for example, comprise a relay which, depending on the presence of a mains voltage at the mains connection, establishes an electrical connection between the suction unit and optionally the rechargeable battery and the mains connection.
  • the suction device may have a control unit, in particular a microcontroller.
  • the electrical power of the suction unit is according to the invention only during battery operation of the suction device is lowered. If the suction device is connected to a mains voltage, the electric power of the suction unit is not lowered when switching on the drive motor of the brush roller, since sufficient power is made available via the mains connection can. The electric power of the suction unit is lowered only in response to the operating condition of the brush roller when the power supply of the suction device by means of the rechargeable battery, because this makes it possible to extend the discharge of the battery.
  • the electrical power of the suction unit can be lowered by the nominal electrical power of the drive motor of the brush roller.
  • the total electric power to be supplied by the battery remains approximately the same regardless of the operating condition of the brush roller. If the drive motor of the brush roller is turned off, the suction unit is operated at its rated electrical power. If the drive motor of the brush roller is turned on, the electric power of the suction unit is reduced by the amount of the rated electric power of the drive motor of the brush roller, so that the overall performance of suction and drive motor of the brush roller remains approximately the same.
  • the electrical power of the suction unit can be lowered by at least 20%, preferably the electrical power can be lowered by 20 to 35%.
  • a manually operable switching member may be provided which can be actuated by the user. The user can then choose by means of the switching device between a battery operation and a network operation of the suction device.
  • the energy supply of the suction unit is done either by means of the rechargeable battery and the mains voltage.
  • the drive motor of the brush roller can be connected to the battery independently of the presence of a mains voltage at the mains connection.
  • the power supply of the drive motor of the brush roller is carried out in such an embodiment only by means of the battery, but not alternatively via the mains connection. This allows a simplification of the control device of the suction device.
  • the lowering of the electrical power of the suction unit in battery operation of the suction device can be effected in that the suction device has a switched between the battery and the suction unit controllable voltage converter and a control unit which controls the voltage converter in response to the presence of a mains voltage at the mains connection.
  • a voltage converter for example, a DC / DC converter can be used, which is on the input side with the rechargeable battery and the output side with the suction unit in electrical connection. It is advantageous if, with the aid of the DC / DC converter, a battery voltage of, for example, 24 volts can be converted to an output voltage of, for example, 100 volts.
  • the DC / DC converter has a control input, which is connected via at least one control line to the output of a control unit which controls the DC / DC converter in response to the presence of a mains voltage at the mains connection.
  • the suction device has a mains voltage detection unit, which the control unit in dependence from the presence of a mains voltage at the mains connection provides a control signal. If a mains voltage is connected to the mains connection, then this is detected by the mains voltage detection unit, which then provides the control unit with an electrical control signal which signals the presence of a mains voltage. The control of the electrical power of the suction unit is then carried out regardless of whether the brush roller is on or off. If, however, provided by the mains voltage detection unit, a control signal indicating the absence of a mains voltage at the mains connection, the electrical power of the suction unit is lowered when the drive motor of the brush roller is set in motion to extend the discharge time of the battery.
  • the suction device has an operating state detection unit which provides the control unit with a control signal as a function of the operating state of the drive motor of the brush roller.
  • the operating state detection unit By means of the operating state detection unit, the operating state of the drive motor of the brush roller can be monitored. If the drive motor is set in motion, for example, by means of a manually operable switching element, this is detected by the operating state detection unit, which then provides the control unit with a control signal corresponding to the operating state of the drive motor of the brush roller. In response to this control signal, the electric power of the suction unit can then be lowered during battery operation of the suction device.
  • the mains voltage detection unit can be designed, for example, in the form of an AC / DC converter, with the aid of which an AC voltage applied to the mains connection is converted into a DC voltage can, which can be provided via a control line of a control unit of the suction device.
  • FIG. 1 schematically, a suction device according to the invention in the form of a vacuum cleaner 10 is shown with a housing 11 which comprises a designed as a dirt collecting container 13 housing base and an attachable to the dirt collecting container 13 housing upper part 15.
  • the upper housing part 15 takes in the usual way a suction unit 17 with a suction turbine 18 and a drive motor 19.
  • the suction unit 17 dips into the top of the dirt collecting 13, which can be sucked by means of the suction unit 17 as usual.
  • the dirt collecting container 13 has a suction inlet 21, to which a suction line 23 is connected.
  • a suction brush 25 is arranged with a floor nozzle 26, in which a brush roller 28 is rotatably mounted.
  • the brush roller 28 is above usual and therefore in the drawing not shown gear means with a drive motor 29 in conjunction, which is arranged in the floor nozzle 26.
  • the power supply of the vacuum cleaner 10 is optionally carried out by means of a rechargeable battery 31, which is held interchangeably in a battery compartment 32 of the housing upper part 15, and by means of a mains connection 34 which is connected via a connecting cable 35 to the housing 11. Both the battery 31 and the connection cable 35 are connected to a control device 37 arranged in the upper housing part 15, which in turn is in electrical connection with the suction unit 17 and the drive motor 29 of the brush roller 28.
  • a user-operable main switch 39 is arranged on the upper housing part 15, by means of which the suction unit 17 can be switched on and off.
  • an electromechanical switch 43 is arranged for switching on and off of the drive motor 29 of the brush roller 28th
  • the control device 37 is in FIG. 2 shown schematically. It is connected on the one hand to the battery 31 and the power connection 34 and on the other hand to the suction unit 17 and the drive motor 29 of the brush roller 28.
  • the control device 37 comprises a voltage converter in the form of a DC / DC converter 45 which is connected on the input side to the battery 31 and on the output side to a switching unit in the form of a relay 47, to which the suction unit 17 is connected.
  • the control device 37 also has a central control unit in the form of a microcontroller 51, which is connected via control lines 53 and 54 to the controllable DC / DC converter 45, which activates the relay 47 and is connected to the current monitoring element 49 via a first connection line 56 , Via further connecting lines 58, 59, a mains voltage recognition unit in the form of an AC / DC converter 61 is connected to the microcontroller 51 and is connected to the mains connection 34 on the input side.
  • a central control unit in the form of a microcontroller 51, which is connected via control lines 53 and 54 to the controllable DC / DC converter 45, which activates the relay 47 and is connected to the current monitoring element 49 via a first connection line 56 , Via further connecting lines 58, 59, a mains voltage recognition unit in the form of an AC / DC converter 61 is connected to the microcontroller 51 and is connected to the mains connection 34 on the input side.
  • the drive motor 29 of the brush roller 28 is powered by the battery 31 regardless of whether the power supply 34 is connected to a mains voltage or not.
  • the energy supply of the suction unit 17 is optionally via the mains connection 34 or from the battery 31. If mains voltage is applied to the mains connection 34, a supply voltage is provided to the microcontroller 51 with the aid of the AC / DC converter 61 via the connecting lines 58 and 59 which simultaneously serves as a control signal, and the microcontroller 51 controls the relay 47 in such a way that it ensures an electrical connection between the mains connection 34 and the suction unit 17.
  • the relay 47 is controlled by the microcontroller 51, whose power supply then takes place via the battery 31, in such a way that the suction unit 17 is connected to the battery 31 via the DC / DC converter 45.
  • the provided by the battery 31 input voltage in the amount of 24 volts is converted by the DC / DC converter in an output voltage of 100 volts, which is provided to the suction unit 17 during battery operation of the vacuum cleaner 10.
  • the control of the DC / DC converter 45 by means of the microcontroller 51.
  • the current monitoring element 49 then provides the microcontroller 51 with a control signal on the basis of which the microcontroller 51 causes the DC / DC converter 45 to lower the electrical power which is supplied to the suction unit 17.
  • This power reduction takes place only during battery operation of the vacuum cleaner 10, but not when mains voltage is applied to the mains connection 34 and the power supply of the suction unit 17 via the mains connection 34 takes place. In mains operation, the suction unit 17 is rather operated independently of the operating state of the drive motor 29 with its rated electrical power.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Manipulator (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Massaging Devices (AREA)

Claims (7)

  1. Aspirateur (10) comportant un conteneur de collecte de souillures, (13) qui est en liaison d'écoulement avec une unité d'aspiration (17), et qui comporte une entrée d'aspiration (21) à laquelle est raccordée une conduite d'aspiration (23), une brosse d'aspiration (25) étant disposée à l'extrémité libre de la conduite d'aspiration (23) et comportant une buse de sol (26) dans laquelle un rouleau à brosses (28) pouvant être entraîné par un moteur électrique est monté de façon à pouvoir tourner, l'aspirateur (10) comportant au moins une batterie rechargeable, (31) et la puissance électrique de l'unité d'aspiration (17) pouvant être abaissée automatiquement en fonction de l'état de fonctionnement du rouleau à brosses (28),
    caractérisé en ce que l'aspirateur (10) comporte un raccordement au réseau (34) destiné à raccorder l'aspirateur (10) à une tension de réseau, et en ce que l'unité d'aspiration (17) peut être reliée au choix à la batterie rechargeable (31) ou au raccordement au réseau (34), l'aspirateur (10) comportant une unité de commutation (47) qui relie automatiquement l'unité d'aspiration (17) au raccordement au réseau (34) en fonction de la présence d'une tension de réseau au niveau du raccordement au réseau (34), et la puissance électrique de l'unité d'aspiration (17) pouvant être abaissée seulement lorsque l'aspirateur (10) est en fonctionnement.
  2. Appareil d'aspiration selon la revendication 1, caractérisé en ce que la puissance électrique de l'unité d'aspiration (17) peut être abaissée à la puissance électrique nominale du moteur d'entraînement (29) du rouleau à brosses (28).
  3. Aspirateur selon la revendication 1, caractérisé en ce que la puissance électrique de l'unité d'aspiration (17) peut être abaissée d'au moins 20%.
  4. Aspirateur selon l'une des revendications précédentes, caractérisé en ce qu'un moteur d'entraînement (29) du rouleau à brosses (28) peut être relié à la batterie (31) indépendamment de la présence d'une tension de réseau au niveau du raccordement au réseau (34).
  5. Aspirateur selon l'une des revendications précédentes, caractérisé en ce que l'aspirateur (10) comporte un convertisseur de tension commandable (45), connecté entre la batterie (31) et l'unité d'aspiration (17), ainsi qu'une unité de commande (51) qui commande le convertisseur de tension (45) en fonction de la présence d'une tension de réseau au niveau du raccordement au réseau (34).
  6. Aspirateur selon la revendication 5, caractérisé en ce que l'aspirateur (10) comporte une unité de détection de tension de réseau (49), qui délivre un signal de commande à l'unité de commande (51) en fonction de la présence d'une tension de réseau au niveau du raccordement au réseau (34).
  7. Aspirateur selon l'une des revendications précédentes, caractérisé en ce que l'aspirateur (10) comporte une unité de détection d'état de fonctionnement (49), qui délivre un signal de commande à une unité de commande (51) de l'aspirateur (10) en fonction de l'état de fonctionnement du rouleau à brosses (28).
EP06015219A 2005-09-16 2006-07-21 Appareil d'aspiration Not-in-force EP1764020B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005045309A DE102005045309A1 (de) 2005-09-16 2005-09-16 Sauggerät

Publications (2)

Publication Number Publication Date
EP1764020A1 EP1764020A1 (fr) 2007-03-21
EP1764020B1 true EP1764020B1 (fr) 2010-08-25

Family

ID=37496959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015219A Not-in-force EP1764020B1 (fr) 2005-09-16 2006-07-21 Appareil d'aspiration

Country Status (4)

Country Link
EP (1) EP1764020B1 (fr)
AT (1) ATE478596T1 (fr)
DE (2) DE102005045309A1 (fr)
DK (1) DK1764020T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20060015A1 (it) * 2006-01-05 2007-07-06 Ametek Italia S R L Apparecchio portatile a flusso d'aria con doppia alimentazione elettrica
WO2008146072A1 (fr) * 2007-05-30 2008-12-04 Soteco Spa Machine de nettoyage
DE102008019524A1 (de) * 2008-04-09 2009-10-15 Alfred Kärcher Gmbh & Co. Kg Hochdruckreinigungsgerät
DE102009048053A1 (de) * 2009-10-02 2011-05-05 Wessel-Werk Gmbh Bürstenvorsatzgerät für Staubsauger
DE102010000573B4 (de) 2010-02-26 2022-06-23 Vorwerk & Co. Interholding Gmbh Verfahren zur Leistungssteuerung eines Saug-/Kehrgeräts
DE102010041818A1 (de) * 2010-09-30 2012-04-05 BSH Bosch und Siemens Hausgeräte GmbH Elektrisch betriebenes Bodenpflegegerät
FR2973214B1 (fr) * 2011-03-29 2014-04-25 Seb Sa Aspirateur
JP6325251B2 (ja) * 2013-12-27 2018-05-16 東芝ライフスタイル株式会社 電気掃除機
WO2017054865A1 (fr) * 2015-09-30 2017-04-06 Alfred Kärcher Gmbh & Co. Kg Dispositif de nettoyage alimenté par batterie et procédé permettant de faire fonctionner celui-ci
CN106175601B (zh) * 2016-08-31 2020-05-05 天佑电器（苏州）有限公司 吸尘器
DE102018115669A1 (de) * 2018-06-28 2020-01-02 Vorwerk & Co. Interholding Gmbh Bodenbearbeitungsgerät mit einem Basisgerät und einem lösbar mit dem Basisgerät verbindbaren Vorsatzgerät
CN116634912A (zh) * 2020-12-23 2023-08-22 新埃莫斯欧洲有限责任公司 电动抽吸头

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Publication number Priority date Publication date Assignee Title
US3588943A (en) * 1968-11-12 1971-06-29 Whirlpool Co Vacuum cleaner suction and brush control
US3769571A (en) * 1973-03-21 1973-10-30 Pioneer Magnetics Inc Power inverter circuit
DE2831588A1 (de) * 1977-07-20 1979-02-01 Simmet Snc Zentrale speisevorrichtung, insbesondere fuer gewerbliche und reisefahrzeuge, z.b. fuer lieferfahrzeuge, motorcaravans, campingwagen und boote
US4835409A (en) * 1988-02-26 1989-05-30 Black & Decker Inc. Corded/cordless dual-mode power-operated device
EP0857561B1 (fr) 1997-02-05 2003-09-10 Linde AG Procédé et dispositif pour le refroidissement de profilés creux extrudés
US6448732B1 (en) * 1999-08-10 2002-09-10 Pacific Steamex Cleaning Systems, Inc. Dual mode portable suction cleaner
JP2003125992A (ja) * 2001-10-23 2003-05-07 Hitachi Ltd 電気掃除機の吸口体及びこの吸口体を備えた電気掃除機
WO2004032696A2 (fr) * 2002-10-10 2004-04-22 Polar Light Limited Procede et appareil pour commander l'alimentation d'un dispositif

Also Published As

Publication number Publication date
ATE478596T1 (de) 2010-09-15
DE102005045309A1 (de) 2007-03-22
DE502006007717D1 (de) 2010-10-07
DK1764020T3 (da) 2010-11-29
EP1764020A1 (fr) 2007-03-21

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