EP3446610A1 - Aspirateur et procédé de fonctionnement d'un aspirateur - Google Patents

Aspirateur et procédé de fonctionnement d'un aspirateur Download PDF

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Publication number
EP3446610A1
EP3446610A1 EP18184212.1A EP18184212A EP3446610A1 EP 3446610 A1 EP3446610 A1 EP 3446610A1 EP 18184212 A EP18184212 A EP 18184212A EP 3446610 A1 EP3446610 A1 EP 3446610A1
Authority
EP
European Patent Office
Prior art keywords
power
vacuum cleaner
blower
intensive
boost
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18184212.1A
Other languages
German (de)
English (en)
Other versions
EP3446610B1 (fr
Inventor
Michael Agethen
Martin Behrenswerth
Volker Gerth
Ramona Vahle
Otto Braun
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
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3446610A1 publication Critical patent/EP3446610A1/fr
Application granted granted Critical
Publication of EP3446610B1 publication Critical patent/EP3446610B1/fr
Active 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
    • A47L9/28—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
    • A47L9/2821—Pressure, vacuum level or airflow
    • 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
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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

Definitions

  • the invention relates to a vacuum cleaner for cleaning and maintenance of floor surfaces with a blower for generating a negative pressure for receiving dirt by means of an air flow and a separation system for cleaning the air taken from the dirt, an adjustment for adjusting the performance of the blower, wherein the vacuum cleaner for a continuous operation of the vacuum cleaner via the adjusting device adjustable maximum power and an adjustable for a short-term operation of the vacuum cleaner on the adjustment intensive power, wherein the intensive power is higher than the maximum power.
  • the invention relates to a method for adjusting a blower power of a vacuum cleaner.
  • vacuum cleaners are used to clean surfaces such as textile floor coverings and smooth floors.
  • a floor nozzle of the vacuum cleaner is continuously pushed back and forth on a floor surface for dust absorption.
  • energy classes are given, in which much lower recording powers are allowed.
  • the aerodynamic performance of the vacuum cleaner goes down, which is quite sufficient for normal sucking, but in a location with a particularly stubborn dirt, especially on smooth floors, but can lead to a limitation in performance.
  • the dust absorption efficiency of the vacuum cleaner depends strongly on the setting of the fan. In the context of reducing energy consumption in vacuum cleaners, the setting of the blower plays an increasingly important role.
  • the dimensioning of vacuum cleaner fans follows a trend towards less power, which initially results in lower volume flows available at the floor nozzle, so that due to the continuity relationship at the floor nozzles, generally lower flow rates result.
  • the floor nozzles are adapted in particular by additional lips on the suction mouths to the lower volume flows.
  • these extra lips increase the shearing forces acting on the bottom jets, making handling difficult for the user.
  • Another possibility is to equip the floor nozzles with agitators such as brush rollers, which actively process the floor surface and thus dissolve adhering dirt particles from the floor surface, in particular from carpet fibers.
  • agitators such as brush rollers
  • Vacuum cleaner of the type mentioned are known.
  • a disadvantage of the solutions described here is that above the provided for continuous operation of the vacuum cleaner maximum power for a short-term operation is only a more intense power level available. For a satisfactory cleaning result on different floor surfaces such a simple increase in performance is not enough. In particular, on smooth floors and stubborn dirt, the simple increase in the fan power for optimal cleaning results is not enough.
  • the invention thus presents the problem of providing an improved vacuum cleaner and an improved method for adjusting a fan power of a vacuum cleaner.
  • a vacuum cleaner with the features of claim 1 and a method for adjusting a fan power of a vacuum cleaner according to claim 6.
  • the boost power is higher than the intensive power
  • the fan power can be increased differentiated, so that achieved even on smooth floors and persistent contamination of the floor surface to be cleaned optimal cleaning results become.
  • a floor nozzle connected to the vacuum cleaner can very effectively pick up dissolved dirt particles and thus ensure effective dust absorption, in particular on smooth floors.
  • an effective cleaning of the bottom surface, in particular in smooth floors can be achieved with sufficiently high flow rates with a differentiated increase in blower output.
  • the achievable with the present invention consist in addition to the possibility of a short-term increase in the blower power of the vacuum cleaner on the maximum performance of the vacuum cleaner for continuous operation addition, that the performance increase due to the additional boost power depending on the nature and the degree of contamination of the floor surface to be cleaned can be increased differentiated. As a result, the performance increase can be adjusted to the needs of the user and the application.
  • the adjustment device which provides an adjustable boost power for short-term operation of the vacuum cleaner, which is higher than the adjustable intensive power offers a better match of the vacuum cleaner to the customer needs, since the differentiated increase in performance of the blower offers optimum applications on different floor surfaces.
  • the floor surface may be covered by a textile floor covering such as a carpet or carpet or by a smooth floor such.
  • a textile floor covering such as a carpet or carpet or by a smooth floor such.
  • a wood parquet, laminate or PVC flooring are formed.
  • the vacuum cleaner has a blower for generating a negative pressure, through which the floor nozzle guided via a floor surface to be cleaned receives dust and dirt from the floor surface.
  • the floor nozzle is moved back and forth by the user by means of push and pull movements in the machine direction.
  • the floor nozzle slides over the floor surface to be cleaned.
  • the underside of the floor nozzle slides over the carpet, while the bottom with smooth floors spaced, possibly floated by spacer bristles, over these bottom surfaces away.
  • the user can handle for example a connected to the suction pipe handle of the vacuum cleaner.
  • the suction mouth of the floor nozzle is elongate and extends substantially transversely to the machining direction.
  • elongated means that the preferably substantially rectangular suction mouth has a greater length transversely to the machining direction than the width in the machining direction.
  • the suction mouth is preferably between 20 and 30 cm across the processing direction long.
  • the vacuum cleaner can also be designed as a self-propelled vacuum cleaner, in particular suction robot, so that the machining direction of the floor nozzle corresponds to the direction of travel of the self-propelled vacuum cleaner.
  • a vacuum cleaner housing of the vacuum cleaner may have a dust receiving chamber in which the dust received via the floor nozzle can be collected, for example, in a dust bag.
  • the adjusting device is adapted to increase the fan power using a request signal to increase the fan power to the intensive power and / or to the boost power.
  • the request signal may be an electrical signal represent.
  • the request signal may be a request of a user or a component of the vacuum cleaner, such as a special floor nozzle, to increase the fan power on the maximum power of continuous operation.
  • the request signal can be used to activate a boost function of the vacuum cleaner, in which the blower power of the vacuum cleaner can be briefly increased above the maximum power for continuous operation.
  • a user interface is adapted to receive a request signal for increasing the blower power from the user of the vacuum cleaner.
  • the user interface for receiving the request signal by the user of the vacuum cleaner may be formed as a push-button switch or slider or the like.
  • Such a user interface can be attached both to a handle of the vacuum cleaner, as well as to the housing of the vacuum cleaner.
  • the signals of the user interface arranged on a handle can be transmitted by radio to the setting device in the device housing of the vacuum cleaner.
  • the user interface in or on the handle preferably has its own power supply in the form of a rechargeable battery or a battery.
  • the adjustment device is adapted to adjust the boost power using a request signal for increasing the blower power when the blower is operated at intensive power. It is envisaged to operate the vacuum cleaner so that a one-time generation of the request signal is increased to intensive power fan power for a first period is retrieved and renewed generation of the request signal in the first period, the fan power for a second period is increased to Boost artistic.
  • the blower output can be increased easily and differentiated.
  • the request signal directly retrieve the adjustable via the adjustment boost power. This allows you to quickly and manually select the power levels of the blower so that the user can choose between intensive power and even higher boost power.
  • the adjustment is designed to automatically switch back to the maximum power after a brief operation of the fan at intensive power and / or boost power.
  • the setting device ensures that the vacuum cleaner operates in an energy-efficient manner in continuous operation so that the short-term performance increases are not included in the evaluation of the energy label.
  • the invention further relates to a method for adjusting a fan power of a vacuum cleaner already described in greater detail below for cleaning and maintaining floor surfaces, the vacuum cleaner having a maximum power provided for continuous operation of the vacuum cleaner and an intensive power provided for short-term operation of the vacuum cleaner, wherein the intensive power is higher than the maximum power, whereby a boost power provided for a short-time operation of the vacuum cleaner is activated, wherein the boost power is higher than the intensive power.
  • the blower performance of a vacuum cleaner can be increased differentiated, so that optimum cleaning results are achieved even on smooth floors and persistent contamination of the floor surface to be cleaned. The process ensures effective dust pickup, especially on smooth floors.
  • a fan operating efficiently in continuous operation at maximum output can, by means of a differentiated increase in fan power, enable effective cleaning of the floor surface, in particular in the case of smooth floors, with sufficiently high flow velocities.
  • the short-term activation of the boosting power enables good dust absorption values, in particular on smooth floors, to be achieved.
  • a higher volume flow can be achieved by activating the boost power if stubborn soiling has to be removed from the floor surface, especially on smooth floors.
  • the boost power that can be activated for short-term operation of the vacuum cleaner, which is higher than the intended intensive power offers suitable adjustment possibilities of the blower power to the respective operational situation of the vacuum cleaner operated in this way.
  • the request signal may represent an electrical signal.
  • a boost function of a vacuum cleaner operated in this way can be activated, in which the blower power of the vacuum cleaner can be briefly increased above the maximum power for continuous operation in several power ranges.
  • the request signal is activated by the user via a user interface. Via the user interface, the request signal can be triggered by the user of the vacuum cleaner. It is envisaged to operate the vacuum cleaner so that by pressing the user interface over the maximum power in continuous operation gradually increased fan speed is retrieved.
  • the boost power is adjusted using a request signal for increasing the blower power when the intensive power is set.
  • a request signal for increasing the blower power when the intensive power is set.
  • the blower output can be increased so easily and differentiated.
  • Another possibility is the direct selection of the intended power via the generated request signal, so that the user can choose directly between intensive power and the even higher boost power.
  • a preferred embodiment of the method provides that after a short-term operation with intensive power and / or boost power is automatically switched back to the maximum power.
  • the automatic switch back to maximum power ensures that the vacuum cleaner operated in this way operates energy-efficiently in continuous operation and that requested performance increases do not permanently increase the consumption of the vacuum cleaner.
  • FIG. 1 a vacuum cleaner 1 with floor nozzle 5 is shown purely schematically.
  • the representation according to FIG. 1 shows a vacuum cleaner 1 according to the invention with a connected to the vacuum cleaner 1 floor nozzle 5.
  • the vacuum cleaner 1 shown in the embodiment is a so-called canister vacuum cleaner.
  • the floor nozzle 5 is connected here via its connecting piece 6 with a preferably telescopically designed intake manifold 7.
  • the floor nozzle 5 in this embodiment shown on a separate from the vacuum cleaner housing 8, 8a housing 9.
  • the telescopic suction tube 7 merges into a handle 10, to which a suction hose 11 is connected, which is connected to the vacuum cleaner housing 8, 8a.
  • an electrical connection cable 12 is integrated in the vacuum cleaner housing 8 (not shown) blower of the vacuum cleaner 1 with Power operated to generate a negative pressure.
  • dirt and dirt are absorbed by the floor surface 30 to be cleaned by an air flow through the suction mouth of the floor nozzle 5 and transported via the suction pipe 7 and the suction hose 11 into the housing 8, 8a of the vacuum cleaner 1.
  • a separation system 2 which is designed in the embodiment as a dust bag.
  • This separation system 2 is located in a formed by the housing parts 8, 8a and the vacuum cleaner 1 dust chamber 13.
  • This dust chamber 13 is shown by a folding mechanism between the vacuum cleaner housing parts 8 and 8a accessible and open, so that the separation system 2 is visible and removable.
  • the dust chamber 13 is closed and generates a negative pressure.
  • the air flow generated by the negative pressure is freed in the separation system 2 of dirt and dirt and led out of the vacuum cleaner 1 via an exhaust grille 14.
  • this has a user interface 4 in the form of a treadle 4.
  • This treadle 4 includes switches that are large enough for a user to operate with his foot.
  • the treadle circuit 4 usually also has a switch for actuating the automatic winder for the connection cable 12 (not shown) integrated in the vacuum cleaner housing 8, 8a.
  • On the handle 10 is also a user interface 3 in the form of a manual circuit 3, with the functions of the vacuum cleaner 1 can be activated.
  • the vacuum cleaner 1 can be switched on and off via the manual circuit 3, and power levels of the fan (not shown) can be selected.
  • a request signal D1, D2 (FIG. FIG. 2 ) for increasing the blower power P ( FIG. 2 ) to intensive power B ( FIG. 2 ) or boost power C ( FIG. 2 ) are generated by the user.
  • the vacuum cleaner 1 has for this purpose a (not shown) adjusting device for adjusting the power P ( FIG. 2 ) of the vacuum cleaner fan connected to the user interfaces 3, 4. About this setting device is set for continuous operation maximum power A ( FIG. 2 ) intended. Below this adjustable maximum power A ( FIG.
  • an intensive power can be set via the setting device.
  • This intensive power B ( FIG. 2 ) briefly sets a blower power P ( FIG. 2 ) higher than the maximum power A ( FIG. 2 ) for continuous operation.
  • a boost power C (intended for short-term operation) is FIG. 2 ) enableable.
  • boost power C ( FIG. 2 ) the blower is switched from the setting device to a power P ( FIG. 2 ), which are even higher than the intensive power B ( FIG. 2 ).
  • the boost power C adjusts the setting device of the vacuum cleaner 1, the blower power P ( FIG. 2 ) automatically into the maximum power A ( FIG. 2 ) for continuous operation.
  • a user of the vacuum cleaner 1 can grasp it on the handle 10 and thus push the floor nozzle 5 forward and backward in a machining direction 15 marked by means of a push and pull movement in the machining direction 15 marked in double arrow in order to clean the floor surface 30.
  • the underside of the floor nozzle 5 slides over the bottom surface 30, while the bottom in hard floors spaced, possibly by spacer bristles, floats over these bottom surfaces 30 away.
  • the floor nozzle 5 also supporting elements 16 in the form of wheels, which ensure a defined distance of the bottom to be cleaned to the bottom surfaces 30 and easy handling when pushing back and forth the floor nozzle 5.
  • the supplementary boost power C FIG. 2
  • FIG. 2 1 shows a performance diagram for the blower output P of a vacuum cleaner 1 designed according to the invention and operated in accordance with the proposed method (FIG. FIG. 1 ).
  • the power P of the blower is plotted on the ordinate in the diagram shown, while the abscissa indicates the time course t.
  • a switch 17 With the large plus 17 is a switch 17 a user interface 3, 4 ( FIG. 1 ) which, when actuated by the user, generates a request signal D1 for increasing the blower power.
  • the vacuum cleaner 1 is operated in continuous operation via the setting device at a set maximum power A of, for example, 400 W.
  • the blower power P for a short-term operation of the vacuum cleaner 1 (FIG. FIG. 1 ) is increased to 650 W, for example, via the adjusting device.
  • the increase of the blower power P from maximum power A to intensive power B should preferably be about 50% compared to the maximum power A.
  • the adjuster automatically switches back to maximum power A.
  • the intensive power B is preferably set over a time interval of 2 to 30 minutes, more preferably 5 to 10 minutes, before the adjuster automatically switches the fan back to maximum power A.
  • a further request signal D2 for increasing the blower output P is made by the user via the user interface 3 or 4, while the blower is operated at intensive power B.
  • This second request signal D2 leads to an increase of the blower power P by the setting device to a boost power C, which is 900 W higher than the intensive power B by way of example.
  • the boost power C should be increased by about 50% compared to the intensive power B or compared to the Maximum power A about 125%.
  • Via the user interface 3, 4 it is also possible to reduce the blower power P, which is possible by operating the switch 19 indicated with minus 19. This generates a reduction signal F to reduce the blower power P.
  • time course t is indicated that by twice pressing the request signal D1, D2 via the plus switch 18 which can be activated via the setting boost power C can be activated.
  • the setting device automatically switches back to the maximum power A, as shown in FIG. 2 can be seen.
  • the short-term operation in the boost power C should comprise an interval of about 30-60 seconds.
  • the proposed solution provides activation of the two power levels, intensive power B and boost power C, from the maximum power A by pressing the indicated plus key 18 or another switch or regulator on a user interface 3, 4 (FIG. FIG. 1 ) in front.
  • the intensive power B is activated and from this the boost power C, when a second request signal D2 is generated via the indicated plus button 18 during operation of the fan at intensive power B.
  • the setting device jumps from the power levels B, C for the short operation always back to the maximum power A for continuous operation. If the vacuum cleaner 1 ( FIG. 1 ), the blower will always operate at the last selected power level unless the vacuum cleaner has been turned off during short-term operation at high power B or boost power C. In this case, the fan will be operated at maximum power A the next time it is turned on.
  • the invention is not limited to the illustrated embodiment. Further embodiments are possible without departing from the basic idea.
  • the floor nozzle can also be designed as part of a self-propelled vacuum cleaner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
EP18184212.1A 2017-08-22 2018-07-18 Aspirateur et procédé de fonctionnement d'un aspirateur Active EP3446610B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017119109.7A DE102017119109A1 (de) 2017-08-22 2017-08-22 Staubsauger und Verfahren zum Betrieb eines Staubsaugers

Publications (2)

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EP3446610A1 true EP3446610A1 (fr) 2019-02-27
EP3446610B1 EP3446610B1 (fr) 2020-01-29

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EP18184212.1A Active EP3446610B1 (fr) 2017-08-22 2018-07-18 Aspirateur et procédé de fonctionnement d'un aspirateur

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EP (1) EP3446610B1 (fr)
DE (1) DE102017119109A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370610A1 (fr) * 1988-10-19 1990-05-30 Hoover Limited Aspirateur
EP0506187A1 (fr) * 1991-03-29 1992-09-30 Koninklijke Philips Electronics N.V. Appareil au moins muni d'un moteur électrique de puissance variable
EP2842471A1 (fr) 2013-08-28 2015-03-04 Miele & Cie. KG Aspirateur doté d'une commande destinée à régler la puissance de la soufflante
DE102014108479A1 (de) 2014-06-17 2015-12-17 Miele & Cie. Kg Verfahren und Einstellvorrichtung zum Einstellen einer Betriebsleistung einer Saugvorrichtung, Handgriff zum Führen einer Saugvorrichtung sowie Saugvorrichtung
DE102015106878A1 (de) * 2015-05-04 2016-11-10 Miele & Cie. Kg Staubsauger und Verfahren zum Steuern einer Energieversorgung in einem Staubsauger

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29504662U1 (de) * 1994-04-06 1995-06-14 Philips Electronics Nv Staubsauger mit optischer Stand-by-Anzeige

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370610A1 (fr) * 1988-10-19 1990-05-30 Hoover Limited Aspirateur
EP0506187A1 (fr) * 1991-03-29 1992-09-30 Koninklijke Philips Electronics N.V. Appareil au moins muni d'un moteur électrique de puissance variable
EP2842471A1 (fr) 2013-08-28 2015-03-04 Miele & Cie. KG Aspirateur doté d'une commande destinée à régler la puissance de la soufflante
DE102014108479A1 (de) 2014-06-17 2015-12-17 Miele & Cie. Kg Verfahren und Einstellvorrichtung zum Einstellen einer Betriebsleistung einer Saugvorrichtung, Handgriff zum Führen einer Saugvorrichtung sowie Saugvorrichtung
DE102015106878A1 (de) * 2015-05-04 2016-11-10 Miele & Cie. Kg Staubsauger und Verfahren zum Steuern einer Energieversorgung in einem Staubsauger

Also Published As

Publication number Publication date
EP3446610B1 (fr) 2020-01-29
DE102017119109A1 (de) 2019-02-28

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