EP3235414A1 - Procédé d'adaptation de puissance d'un aspirateur à batterie - Google Patents

Procédé d'adaptation de puissance d'un aspirateur à batterie Download PDF

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Publication number
EP3235414A1
EP3235414A1 EP17164749.8A EP17164749A EP3235414A1 EP 3235414 A1 EP3235414 A1 EP 3235414A1 EP 17164749 A EP17164749 A EP 17164749A EP 3235414 A1 EP3235414 A1 EP 3235414A1
Authority
EP
European Patent Office
Prior art keywords
floor covering
brush roller
vacuum cleaner
motor
blower unit
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.)
Withdrawn
Application number
EP17164749.8A
Other languages
German (de)
English (en)
Inventor
Florian Balling
Florian Schmitt
Julian Kastner
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3235414A1 publication Critical patent/EP3235414A1/fr
Withdrawn legal-status Critical Current

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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
    • A47L9/28—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
    • A47L9/2826—Parameters or conditions being sensed the condition of the floor
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • 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
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L2201/06—Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning

Definitions

  • the invention relates to a method for power adjustment of an accumulator-operated vacuum cleaner according to claim 1 and an accumulator-operated vacuum cleaner for carrying out the method according to claim 7.
  • a general goal in the operation of vacuum cleaners is to achieve the highest possible energy efficiency, that is to achieve the best possible dust and / or dirt absorption at the lowest possible power consumption.
  • suction cleaning for example of floor coverings, depending on the surface properties of the surface to be cleaned very different demands on the suction power of the vacuum cleaner can be made.
  • different requirements are made with respect to an energy absorption capacity of a vacuum cleaner.
  • a required electrical energy intake power is directly related to an available transit time until a next charging process of the accumulator.
  • Certain accumulator-operated vacuum cleaners have an electrically operated brush roller in the suction nozzle, which is actively operated independently of the floor covering.
  • the operation of the brush roller is not useful for all floor coverings. In the case of a hard floor, this results in no positive effect with respect to the cleaning performance and the noise emission.
  • coarse dirt on hard floors is thrown away by the rapidly rotating brush roller and may therefore not be absorbed. This noticeably reduces the efficiency of the vacuum cleaner when collecting dust on hard floors.
  • the energy absorption capacity of the vacuum cleaner is adjusted according to the determined floor covering to a predetermined reference value of the energy absorption capacity of the particular floor covering by the control device.
  • the predetermined reference values of the energy absorption capacity of the particular floor covering / coverings are stored in a memory of the control device.
  • the threshold which is also stored in the memory of the control device, marks a dividing line between hard floors and carpets.
  • a characteristic value of the floor covering which is below the threshold value, hard floor and a characteristic value of the floor covering which is above the threshold value corresponds to carpet flooring.
  • the energy absorption capacity of the motor / blower unit is reduced on hard floors and the energy absorption capacity of the electrically driven brush roller is completely switched off by the control device.
  • the carpet has a pile opposite the hard floor.
  • a thread system which is perpendicular to the surface, referred to as Flor.
  • Flor a thread system, which is perpendicular to the surface
  • the amount of energy saved in the cleaning of hard floors can be used here for cleaning the carpets, whereby the vacuum cleaner or the energy provided by the / of the accumulator can be optimally utilized.
  • the determination of the characteristic value of the floor covering is based on a signal of a mechanical, optical, radar, ultrasonic or negative pressure sensor, the at least one means for detecting the characteristic value of the floor covering.
  • a mechanical, optical, radar, ultrasonic or negative pressure sensor By means of at least one of the above-mentioned sensor, it is possible to determine the characteristic value of the floor covering reliably and without a time delay, so that the control device of the accumulator-operated vacuum cleaner can make an optimal adjustment of the energy absorption capacity of the vacuum cleaner.
  • the use of these agents is simple and inexpensive. From a detailed description of a determination of a characteristic of the floor covering is hereby omitted, since the expert offers a variety of solutions for it and an explicit mention of the various possibilities would go beyond the scope of this application.
  • the energy absorption capacity of the motor / blower unit is regulated as a function of a dust quantity present in the dust removal chamber.
  • the motor / blower unit compensates for the flow losses caused by the amount of dust present in the dust collecting chamber by increasing the energy absorption capacity. As a result, a more uniform cleaning performance of the accumulator-operated vacuum cleaner can be made possible.
  • the energy absorption capacity of the electrically driven brush roller is additionally regulated as a function of the characteristic value of the floor covering.
  • a brush roller resistance acts like a sensor for determining the floor covering, whereby it is also possible to distinguish between high and low pile carpets.
  • the energy absorption capacity of the motor / blower unit and / or the energy absorption capacity of the electrically driven brush roller are regulated as a function of a predetermined suction nozzle design.
  • a predetermined suction nozzle design Under Saugdüsenaus' example, an embodiment of the suction nozzle for a specific purpose understood, ie for exclusive use on hard floor or carpet or combi nozzle for wide use on different floor coverings and further the way of construction, for example, with or without their own sensors and like.
  • suction nozzles When using different suction nozzles with the accumulator-operated vacuum cleaner, a further energy saving potential can be exploited by the individual special suction nozzles are recognized by the control device of the vacuum cleaner and matched cleaning methods and regulations of energy absorption capacity of the motor / blower unit and / or the energy absorption capacity of the electrically driven brush roller are applied , In anticipation of the further description this means Furthermore, that a vacuum cleaner according to the invention, which makes the process its own, with different, interchangeable in an extended embodiment, suction nozzles can be operated.
  • the energy absorption capacity of the electrically driven brush roller is switched off and the energy absorption capacity of the motor / blower unit is set to a power minimum if a determined characteristic value of the floor covering corresponds to a reference value of the floor covering corresponding to an idling or an interruption of the suction flow.
  • the operation of the brush roller and the motor / fan unit also makes no sense if the suction nozzle of the vacuum cleaner is not in contact with the surface to be cleaned - especially in hard floor. This would correspond to idling the brush roll and the motor / blower unit, which would result in undesirable energy consumption.
  • a convenient operation of the accumulator-operated vacuum cleaner also does not make sense.
  • reference values of the floor covering can be deposited in the control device, which correspond to an idling or an interruption of the suction air flow and thus further energy losses are avoided.
  • Another aspect of the invention relates to an accumulator-operated vacuum cleaner for performing the above-mentioned method, comprising a suction nozzle, an electric motor / blower unit for generating a suction air flow, a Staubabscheidehunt, at least one means for detecting the floor covering a surface to be cleaned, and at least one control device for the motor / blower unit and / or the electrically driven brush roller and an accumulator are combined in a separate device of the kind that it can be performed with one hand.
  • such an accumulator-operated vacuum cleaner can be made particularly handy and easy, since the battery necessary for the energy supply can be made smaller. Aside from increasing usability, a smaller battery requires less procurement and manufacturing costs, is lighter, requires less charging energy, and consumes shorter ones Charging times to charge the battery and charged in its disposal the environment to a lesser extent. On the other hand, with a constant dimensioning of the accumulator-operated vacuum cleaner a longer service life can be achieved and thus a larger area to be cleaned and allows compared to conventional vacuum cleaners a longer time interval until the next charging of the battery. Further, because of the advantageous operation, not only the energy consumption during suction, for example, hard floor, can be drastically reduced, but also the noise emission values can be reduced as a whole.
  • the vacuum cleaner on a separator which operates on the principle of centrifugal force does not require additional filter bags.
  • the noise emissions can be significantly reduced, especially for vacuum cleaners whose separators operate on the principle of centrifugal force, by deliberately lowering the power consumption. This is especially true in centrifugal separators, which work according to the spin separator or Wirbelrohrascheiderkal.
  • Another expedient embodiment of the vacuum cleaner has a replaceable filter bag.
  • filter bags for example, can filter out a smell or allergenic fine dust particles in a targeted manner from the suction air stream emerging from the vacuum cleaner.
  • An accumulator-operated vacuum cleaner for carrying out a method comprises a suction nozzle; an electrically driven brush roller; an electric motor / blower unit for generating a suction air flow; a Staubabscheidesch; at least one means for detecting the floor covering of a surface to be cleaned; and at least one control device for the motor / blower unit and / or the electrically driven brush roller and an accumulator for supplying the electrical components.
  • all said components are combined in a separate device of the kind that the device can be performed with one hand.
  • Fig. 1 are the energy absorption performance characterizing courses of an accumulator-powered vacuum cleaner exemplary of two different floor coverings illustrated.
  • a behavior of the control device for the motor / blower unit and / or the electrically driven brush roller during a change of the floor covering of the suction nozzle from carpet to hard floor and again to carpet ... is illustrated.
  • the goal is to supply the device with the help of the control device only as much energy as is needed for the current cleaning process. As a result, useless energy consumption is suppressed and extends the life of the accumulator or the vacuum cleaner operated therewith.
  • an electric current 1 which is applied to the brush roller of a suction nozzle, as a solid line _____; a negative pressure 2 of a suction air flow generated at the suction nozzle or in front of the dust separation chamber as a long dashed line - - - -; an electric voltage 3, which is applied to a brush roller of the suction nozzle, as a dotted line ....; and an electric voltage 4 applied to the motor / blower unit as a short dashed line ----.
  • dash-dotted lines _._._. thresholds R, S are shown in the diagram.
  • FIG.1 an operating state of the accumulator-operated vacuum cleaner or device when cleaning on a carpet is illustrated. Based on the voltage curve 3 of the dotted line it can be seen that on the carpet of the brush roller drive "on” is switched. By means of the "on" -switched brush roller, it is considerably easier to suck or clean soiling from the fibers of the carpet.
  • the voltage 4 present at the motor / blower unit is set at 24 V to a maximum. This adjustment ensures the best possible cleaning performance on floor coverings such as carpets.
  • the means for detecting the flooring is a pressure cell, which is arranged for example in the region between the suction nozzle and the Staubabscheidehunt the vacuum cleaner.
  • the negative pressure 2 of the suction air flow at the suction nozzle abruptly drops due to a lack of sealing by the carpet fibers at the nozzle.
  • the means for detecting the flooring is a pressure cell, which is arranged for example in the region between the suction nozzle and the Staubabscheidehunt the vacuum cleaner.
  • the negative pressure 2 of the suction air flow at the suction nozzle abruptly drops due to a lack of sealing by the carpet fibers at the nozzle.
  • the same time decreases in the transition from the carpet to the hard floor of the brush roller required electrical power, since due to a lower torque required - lower friction of the brush roller on hard floor - a drive of the brush roller no longer draws so much electricity.
  • the values of the stream 1 of the brush roller and the negative pressure 2 of the suction air flow serve as input variables for determining the characteristic value for the floor covering.
  • the drive of the brush roller itself acts as a floor sensor, as due to the flor réelleen friction of the carpet, a required torque of the brush roller pulls a certain ground characteristic current that can use the control device to determine the characteristic of the floor covering.
  • the current can be used as a function of the voltage of the drive of the brush roller for determining the characteristic value of the floor covering.
  • the device is now operated in a particularly suitable for the hard floor operating condition with reduced energy absorption capacity, whereby energy is saved, without the cleaning performance of the device is thereby limited.
  • the limited use of the brush roller exposes it to less wear, thereby increasing its life.
  • the control device When changing from hard floor to carpet this is detected by means for detecting the floor covering of the surface to be cleaned and signaled to the control device, - in the present case a pressure cell. On carpet, the negative pressure 2 of the suction air flow increases again. If the characteristic value determined by the control device reaches or exceeds a predetermined threshold value S1, the control device recognizes that it is located on carpet. The control device recognizes that it is located on carpet, wherein after a short time delay, the brush roller "on” switched or increases the voltage applied to the brush roller current 1 and the voltage applied to the motor / fan unit voltage 4 is increased to 24 volts. This automatically provides the optimum energy absorption capacity for energy-efficient and optimal cleaning. In the preceding embodiment, the "on” and “off” switching of the electrically driven brush roller was based on two different threshold values R1 for a corresponding current value of the brush roller or S1 for a corresponding negative pressure value of the suction air flow.
  • the two threshold values R1 and S1 correspond to a single threshold value.
  • such an embodiment can not be operated so energy-efficient, since negative pressure value constellations can occur that do not allow a clear assignment or determination of the floor covering.
  • the voltage applied to the motor / fan unit voltage 4 is not set to the full voltage of 24 V, but adjusted to an optimum for a particular carpet flooring voltage 4 of the motor / blower unit below 24 V. can lie and still be optimal Cleaning performance of the device allows.
  • individual reference values of the energy absorption capacity of the particular floor covering can be stored as reference voltages of the motor / blower unit in a memory of the control device.
  • suitable drives of the motor / blower unit brush motors as well as brushless motors can be used, which increases the flexibility in the production of vacuum cleaners. Brushless motors are even more durable because they are commutated without brushing with the help of an electronic circuit.
  • a voltage for the electric drive of the brush roller in dependence of the determined flooring - carpet - set is made by the control device.
  • a detected torque of the brush roller can be exploited.
  • any desired sensors or the means for detecting the floor covering of a surface to be cleaned can be selected.
  • mechanical, optical, radar, ultrasound or vacuum sensors could be used which can be designed and used individually or in combination with one another.
  • individual devices may be equipped with one or more sensors to provide a redundant and fail-safe measurement capability and / or allow further plausibility queries that are stored in the control device, the accuracy and trustworthiness of the measurements to determine the floor covering.
  • analog pressure cells is a differentiated distinction of different carpets, as used in the present embodiment according to the method, since they can detect digital pressure cells more than two pressure states.
  • the accumulator-operated vacuum cleaner in another embodiment, not shown here, it can be equipped with different replaceable suction nozzles.
  • a further energy-saving potential can be exploited by the individual special suction nozzles are recognized by the control device of the vacuum cleaner and coordinated cleaning methods and regulations of energy absorption capacity of the motor / blower unit and / or the power consumption of the electrically driven brush roller can be applied.
  • An assignment or recognition of the differing suction nozzles can be done manually or automatically - for example, by certain contacts or codes of the suction nozzles.
  • the energy consumption during suction or cleaning on hard floor can be drastically reduced without negatively influencing the dust absorption.
  • a significant difference between noise emission and conventionally electrically operated nozzles can be achieved.
  • a significant improvement in the energy balance is achieved, the energy that is saved when cleaning the hard floor, can be used for dust pickup on carpet.
  • This increases the availability of the device whereby a period of time can be extended until the next charging of the battery.
  • the user-friendliness is increased, eliminating tedious manual intervention for power adjustment by means of power controller.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
EP17164749.8A 2016-04-22 2017-04-04 Procédé d'adaptation de puissance d'un aspirateur à batterie Withdrawn EP3235414A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016206917.9A DE102016206917A1 (de) 2016-04-22 2016-04-22 Verfahren zur Leistungsanpassung eines akkumulatorbetriebenen Staubsaugers

Publications (1)

Publication Number Publication Date
EP3235414A1 true EP3235414A1 (fr) 2017-10-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17164749.8A Withdrawn EP3235414A1 (fr) 2016-04-22 2017-04-04 Procédé d'adaptation de puissance d'un aspirateur à batterie

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EP (1) EP3235414A1 (fr)
DE (1) DE102016206917A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114999487A (zh) * 2019-11-29 2022-09-02 添可智能科技有限公司 清洁设备的语音交互方法及清洁设备
US20220296065A1 (en) * 2021-03-17 2022-09-22 Talentone Hong Kong Limited Floor types identifying device, dust suction device having the same, and vacuum cleaner having the same
WO2022268570A1 (fr) * 2021-06-25 2022-12-29 BSH Hausgeräte GmbH Procédé de nettoyage amélioré d'une région spatialement délimitée

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69402482T2 (de) * 1993-07-28 1997-10-09 Philips Electronics Nv Staubsauger mit Vorrichtung zur Erkennung des Bodens und Motorsteuerung in Abhängigkeit davon
EP1967115A2 (fr) * 2007-03-07 2008-09-10 MIELE & CIE. KG Procédé de reconnaissance d'un revêtement de sol
DE102010000573A1 (de) * 2010-02-26 2011-09-01 Vorwerk & Co. Interholding Gmbh Verfahren zur Leistungssteuerung eines Saug-/Kehrgeräts
EP2875767A1 (fr) * 2013-11-21 2015-05-27 BSH Hausgeräte GmbH Procédé destiné au fonctionnement d'un aspirateur et aspirateur

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DE4243235A1 (de) * 1992-12-19 1994-06-23 Fedag Romanshorn Fa Reinigungswerkzeug mit drehzahlgeregelter Bürstenwalze
US5699586A (en) * 1996-01-11 1997-12-23 Black & Decker Inc. Vacuum cleaner with improved suction inlet
DE102007021299B4 (de) * 2007-05-07 2013-07-18 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zum Steuern der Drehzahl zumindest eines Elektromotors in einem mobilen Gerät, insbesondere in einer Saugbürstenvorrichtung oder einem Staubsammelroboter
DE102008061251A1 (de) * 2008-12-10 2010-06-17 Miele & Cie. Kg Elektrischer Staubsauger und Verfahren zu dessen Betrieb
US9877629B2 (en) * 2013-02-08 2018-01-30 Techtronic Industries Co. Ltd. Battery-powered cordless cleaning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69402482T2 (de) * 1993-07-28 1997-10-09 Philips Electronics Nv Staubsauger mit Vorrichtung zur Erkennung des Bodens und Motorsteuerung in Abhängigkeit davon
EP1967115A2 (fr) * 2007-03-07 2008-09-10 MIELE & CIE. KG Procédé de reconnaissance d'un revêtement de sol
DE102010000573A1 (de) * 2010-02-26 2011-09-01 Vorwerk & Co. Interholding Gmbh Verfahren zur Leistungssteuerung eines Saug-/Kehrgeräts
EP2875767A1 (fr) * 2013-11-21 2015-05-27 BSH Hausgeräte GmbH Procédé destiné au fonctionnement d'un aspirateur et aspirateur

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114999487A (zh) * 2019-11-29 2022-09-02 添可智能科技有限公司 清洁设备的语音交互方法及清洁设备
CN114999487B (zh) * 2019-11-29 2025-03-11 添可智能科技有限公司 清洁设备的语音交互方法及清洁设备
US20220296065A1 (en) * 2021-03-17 2022-09-22 Talentone Hong Kong Limited Floor types identifying device, dust suction device having the same, and vacuum cleaner having the same
US11882986B2 (en) * 2021-03-17 2024-01-30 Talentone Hong Kong Limited Floor types identifying device, dust suction device having the same, and vacuum cleaner having the same
WO2022268570A1 (fr) * 2021-06-25 2022-12-29 BSH Hausgeräte GmbH Procédé de nettoyage amélioré d'une région spatialement délimitée

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