EP1962661B1 - Vacuum cleaner, especially floor vacuum cleaner - Google Patents

Vacuum cleaner, especially floor vacuum cleaner Download PDF

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Publication number
EP1962661B1
EP1962661B1 EP20060829557 EP06829557A EP1962661B1 EP 1962661 B1 EP1962661 B1 EP 1962661B1 EP 20060829557 EP20060829557 EP 20060829557 EP 06829557 A EP06829557 A EP 06829557A EP 1962661 B1 EP1962661 B1 EP 1962661B1
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EP
European Patent Office
Prior art keywords
vacuum cleaner
accumulator
voltage
volts
lower shell
Prior art date
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Active
Application number
EP20060829557
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German (de)
French (fr)
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EP1962661A2 (en
Inventor
Andre Bertram
Volker Gerth
Olivier Liebig
Rainer Schultz
Heiko Stork
Dirk Wegener
Manfred Gerhards
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Miele und Cie KG
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Miele und Cie KG
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Publication date
Priority claimed from DE200610058613 external-priority patent/DE102006058613B4/en
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP20090014721 priority Critical patent/EP2163180A3/en
Publication of EP1962661A2 publication Critical patent/EP1962661A2/en
Application granted granted Critical
Publication of EP1962661B1 publication Critical patent/EP1962661B1/en
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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
    • A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
    • 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
    • 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
    • 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 vacuum cleaner, in particular a vacuum cleaner, with a housing in which a motor-driven suction fan and a device for producing the power supply of the fan motor is arranged, wherein the power supply of the fan motor within the housing both an accumulator and a cable drum for the optional operation of Vacuum cleaner in accumulator and mains voltage operation are arranged as integral components.
  • vacuum cleaners which have a power supply line. These have the disadvantage that for their energy supply a mains voltage must be present in reachable. This is especially not the case when cleaning stairs or motor vehicles, so that then has to work with extension cables, which reduces the ease of use.
  • vacuum cleaners which can be operated independently of the mains, wherein for mains-independent operation, a power supply module is provided which has, for example, one or more battery cells.
  • a vacuum cleaner is known, which has in its housing an externally accessible cavity for receiving a removable battery assembly.
  • the local vacuum cleaner has means for releasably holding the battery assembly to the cavity.
  • Battery or accumulator-fed vacuum cleaners have the disadvantage that, because of the high power consumption of the suction fan, the loading capacity is generally insufficient to thoroughly clean a large carpet or a room laid out with carpeting, so that it must be recharged several times. This also reduces the ease of use.
  • a vacuum cleaner is disclosed with a blower motor, wherein an external accumulator unit is provided for the power supply of the blower motor.
  • the vacuum cleaner shown here has a connection cable with which the fan motor can be connected to the accumulator unit for power supply.
  • an operating voltage of 18 V or 24 V is proposed.
  • the WO 2004/041054 A1 describes a vacuum cleaner in which both the brush roller and the fan of a suction attachment with rechargeable batteries is operated. A mains connection makes it possible to charge the batteries in the device. A similar vacuum cleaner is also from the US 2002/112315 A1 known.
  • the invention has the problem of disclosing a vacuum cleaner of the type mentioned, which allows both a network operation and a network-independent operation and in which the difference for the maximum adjustable power consumption of the fan motor between mains voltage operation and accumulator operation is kept within reasonable limits.
  • the blower motor is designed for a nominal voltage between 80 and 120 volts in maximum operation and the voltage generated by the accumulator is between 50 volts and 80 volts.
  • the mains voltage to an operating voltage between 50 volts and 100 volts, a corresponding circuit arrangement is provided.
  • the user can use the vacuum cleaner as a hybrid vacuum cleaner without retrofitting in both modes, where it can be used in mains voltage operation as a full vacuum cleaner and in accumulator mode for the "intermediate suction" is fast and flexible with slightly lower, but still acceptable suction available. The latter is especially true for places that are not usually within reach of a power outlet, z. As garden sheds, terraces, stairs or cars.
  • the accumulator is arranged in a lower shell at the bottom of the housing.
  • the lower shell is double-walled with stiffening struts. It is also expedient if a plurality of individual accumulator cells are arranged in the lower shell and / or if removal openings for the accumulator or the accumulator cells are provided in the lower shell.
  • mains voltage supply is sensed by a further circuit arrangement and the operating mode with supplied mains voltage to mains voltage operation and not available mains voltage supply to accumulator operation is adjustable.
  • An advantageous method for operating such a vacuum cleaner is characterized in that in mains voltage operation, a charge of the accumulator takes place, so that the vacuum cleaner can then be operated at any time without power cord.
  • the further circuit arrangement reduces the maximum value, which can be selected by means of a power controller, for the fan power in the case of accumulator operation in relation to the mains voltage operation. This makes it clear to the user that he can no longer set the full power available in mains operation in battery operation.
  • the mains voltage operation and the accumulator operation must be locked against each other, for example by a change-over relay.
  • FIGS. 1 to 3 in particular show a inventively designed as a hybrid vacuum cleaner vacuum cleaner 1.
  • a cable drum 2 (see FIG. 6 ) provided thereon with power supply cable 3, which as in other manufactured and distributed by the Applicant vacuum cleaners (see also DE 10 2005 018 908 ) Rear right inside the housing 4 and therefore not visible in the figures.
  • the guided out of the housing 4 end of the connecting cable 3 is shown together with power plug 3.1.
  • an accumulator 5 is present, wherein the accumulator 5 and the cable drum 2 are arranged as firmly integrated components in the vacuum cleaner housing 4.
  • the accumulator 5 is arranged in a lower shell 6 at the bottom of the housing 4.
  • the lower shell 6 is in isolated representation again in the FIG. 4 shown in perspective.
  • the accumulator 5 is constructed of individual cells 7, which are electrically connected in series to generate an output voltage of about 65 volts (not shown).
  • the lower shell 6 is double-walled with stiffening struts 8, so that the shell 6 provides sufficient strength.
  • the lower shell removal openings 11 are provided for replacing the battery cells 7.
  • the accumulator cells 7 are arranged in the front region of the lower shell 6 below the dust chamber 9, which brings with it the advantage that cooling of the cells 7 takes place during the charging process by the sucked air into the dust chamber 9.
  • FIG. 5 shows in plan view in particular the area of the vacuum cleaner 1, in which between the power button 12 and the button 13 for actuating the automatic cable winder, a control panel 14 with a plus-minus button 15 and an associated display 16 is arranged. With the plus-minus button 15, the power of the fan motor 10 is set.
  • FIG. 6 shows in isolation the electrical diagram of the power supply for the hybrid vacuum cleaner 1, as already described. It will be used for the symbols of the components that in the FIGS. 1 to 5 are represented representationally, the same reference numerals.
  • a universal motor 10 which can be operated with a maximum voltage of 100 volts is provided for the drive of the fan, which receives an electrical power of about 1200 watts at this voltage.
  • the mains voltage is at contacted power plug 3.1 via the cable drum. 2 to a first, integrated in the device control 17 inverter 18 passed. There, it is transformed by pulse width modulation of 230 volts to an output voltage between 50 and 100 volts, which is then at a first voltage output to the terminals 19.1 and 19.2.
  • the final level of the output voltage depends on the set value of the plus-minus button 15, in FIG. 6 symbolized by the potentiometer 15.1, wherein an output voltage of 100 volts of a power consumption of about 1200 watts and a set value of 50 volts corresponds to a power consumption of about 300 watts.
  • the mains voltage via a second inverter 20, also integrated in the device control 17, transformed down to 75 volts and then rectified. This voltage is parallel to the lines 21.1 and 21.2, which are performed by the accumulator 5 to a second voltage output 22 and charge the battery 5 when contacted power plug 3.1.
  • the output voltage generated by the accumulator 5, also by pulse width modulation of a maximum of 65 volts (equivalent to a power of 600 watts) to 50 volts (equivalent to a power of 300 watts) can be reduced.
  • a changeover relay 24 sets the fan motor 10 in the de-energized state via the on-off button 12 as shown to the second voltage output with the terminals 22.1 and 22.2. As a result, the power supply via the accumulator 5 is produced. When the power plug 3.1 is contacted, the change-over relay 24 picks up and switches the fan motor 10 to the first voltage output 19.1 and 19.2. As a result, an automatic switch to mains voltage operation is established.
  • the relay 24 By the relay 24 accumulator operation and mains voltage operation to avoid a short circuit are securely locked against each other.
  • the relay and the voltage outputs 19.1 / 19.2 and 22.1 / 22.2 are thus components of a circuit arrangement by which a mains voltage supply can be sensed and the operating mode with supplied mains voltage to mains voltage operation and in the absence of mains voltage supply to accumulator operation is adjustable. This circuit is symbolized by the box 23.
  • the device If the device is switched off and the power plug 3.1 is not plugged in, no function of the vacuum cleaner 1 is possible. If the device is switched off and the power plug 3.1 is contacted, the battery cells 7 are charged. If the device is turned on via the on-off button 12 and plugged in the power plug 3.1, the battery cells 7 are charged and the vacuum cleaner 1 runs in line voltage operation. If the device is turned on via the on-off button 12 and the power plug 3.1 is not contacted, the vacuum cleaner 1 runs exclusively in battery operation. It thus becomes clear how easy to use the hybrid vacuum cleaner 1 according to the invention is. In which mode of the invention Hybrid vacuum cleaner 1 is operated, thus ultimately depends only on whether the power plug 3.1 is contacted or not.
  • an unillustrated rotary potentiometer can be used whose power setting is not labeled with numbers, but only with "Max” and “Min”.
  • the "Max” position then corresponds to 2000 or 1200 watts, in accumulator mode 600 watts.
  • the "Min” position corresponds to the setting of 300 watts.

Description

Die Erfindung betrifft einen Staubsauger, insbesondere Bodenstaubsauger, mit einem Gehäuse, in dem ein motorbetriebenes Sauggebläse sowie eine Vorrichtung zur Herstellung der Energieversorgung des Gebläsemotors angeordnet ist, wobei zur Energieversorgung des Gebläsemotors innerhalb des Gehäuses sowohl ein Akkumulator als auch eine Kabeltrommel für den wahlweisen Betrieb des Staubsaugers im Akkumulator- und im Netzspannungsbetrieb als fest integrierte Bestandteile angeordnet sind.The invention relates to a vacuum cleaner, in particular a vacuum cleaner, with a housing in which a motor-driven suction fan and a device for producing the power supply of the fan motor is arranged, wherein the power supply of the fan motor within the housing both an accumulator and a cable drum for the optional operation of Vacuum cleaner in accumulator and mains voltage operation are arranged as integral components.

Aus dem Stand der Technik sind allgemein Bodenstaubsauger bekannt, die über eine Netzversorgungsleitung verfügen. Diese besitzen den Nachteil, dass zu ihrer Energieversorgung eine Netzspannungsdose in erreichbarer Nähe vorhanden sein muss. Dies ist insbesondere beim Säubern von Treppen oder von Kfz's nicht der Fall, so dass dann mit Verlängerungskabeln gearbeitet werden muss, was den Bedienungskomfort vermindert. Bekannt sind ebenfalls Staubsauger, die netzunabhängig betrieben werden können, wobei zum netzunabhängigen Betrieb ein Energieversorgungsmodul vorgesehen ist, das beispielsweise eine oder mehrere Akkumulatorenzellen aufweist. So ist beispielsweise aus der EP 0 401 531 B1 ein Staubsauger bekannt, der in seinem Gehäuse einen von außen zugänglichen Hohlraum zur Aufnahme einer herausnehmbaren Batterieanordnung aufweist. Der dortige Staubsauger weist Mittel zum lösbaren Haltern der Batterieanordnung an dem Hohlraum auf. Batterie- oder akkumulatorgespeiste Staubsauger besitzen den Nachteil, dass wegen der hohen Leistungsaufnahme des Sauggebläses die Ladekapazität in der Regel nicht zum gründlichen Säubern eines großen Teppichs oder eines mit Teppichboden ausgelegten Raums ausreicht, so dass mehrmals nachgeladen werden muss. Auch dies vermindert den Bedienungskomfort.From the prior art generally vacuum cleaner are known, which have a power supply line. These have the disadvantage that for their energy supply a mains voltage must be present in reachable. This is especially not the case when cleaning stairs or motor vehicles, so that then has to work with extension cables, which reduces the ease of use. Also known are vacuum cleaners, which can be operated independently of the mains, wherein for mains-independent operation, a power supply module is provided which has, for example, one or more battery cells. For example, from the EP 0 401 531 B1 a vacuum cleaner is known, which has in its housing an externally accessible cavity for receiving a removable battery assembly. The local vacuum cleaner has means for releasably holding the battery assembly to the cavity. Battery or accumulator-fed vacuum cleaners have the disadvantage that, because of the high power consumption of the suction fan, the loading capacity is generally insufficient to thoroughly clean a large carpet or a room laid out with carpeting, so that it must be recharged several times. This also reduces the ease of use.

Weiterhin ist aus dem Stand der Technik gemäß der DE 10 2004 018 793 A1 ein elektrisches Bodenreinigungsgerät bekannt, bei dem ein Aufnahmeraum vorhanden ist, der wahlweise zur Halterung entweder des Energieversorgungsmoduls oder eines Kabeltrommelmoduls ausgebildet ist. Hier besteht zwar der Vorteil, dass zu einem sehr späten Fertigungszeitpunkt entschieden werden kann, ob der Staubsauger für den Netz- oder Akkumulatorbetrieb hergestellt wird, letztendlich wird aber ein Staubsauger produziert, welcher nur eine der beiden Betriebsvarianten mit den entsprechenden Nachteilen besitzt. Ein weiterer Nachteil besteht darin, dass außer dem wahlweisen Einsatz eines Akkumulators oder einer Kabeltrommel keine weiteren Anpassungen vorgenommen sind. Es ist deshalb davon auszugehen, dass der Gebläsemotor für einen Betrieb bei einer Netzspannung von 230 Volt ausgelegt ist. Bei einer Stromversorgung mittels eines Akkumulators würde die Betriebsspannung mindestens auf ein Drittel dieser Spannung reduziert, was zu einer Verringerung der Maximalleistung auf ein Neuntel gegenüber dem Netzbetrieb führen würde. Damit wäre ein zufriedenstellender Akkumulatorbetrieb nicht mehr möglich.Furthermore, from the prior art according to the DE 10 2004 018 793 A1 an electric floor cleaning device is known in which a receiving space is present, which is optionally designed for holding either the power supply module or a cable drum module. Although there is the advantage that it can be decided at a very late production time, if the vacuum cleaner for mains or accumulator operation is produced, but ultimately a vacuum cleaner is produced, which has only one of the two operating variants with the corresponding disadvantages. Another disadvantage is that except the optional use of a rechargeable battery or a cable drum no further adjustments are made. It is therefore assumed that the blower motor is designed for operation at a mains voltage of 230 volts. In a power supply by means of a battery, the operating voltage would at least one One third of this voltage reduced, which would lead to a reduction of the maximum power to a ninth compared to the network operation. For a satisfactory accumulator operation would no longer be possible.

Aus der EP 1 419 723 A2 ist ein tragbares Sauggerät bekannt, welches sowohl im Netz- als auch im Akkumulatorbetrieb arbeitet. Über den Netzbetrieb sind keine näheren Angaben vorhanden, der Akkumulatorbetrieb erfolgt mit einer Spannung von maximal 18 V.From the EP 1 419 723 A2 a portable suction device is known, which operates both in the mains and in accumulator mode. About the network operation, no details are available, the accumulator operation is carried out with a maximum voltage of 18 V.

In der US 2005/155177 A1 wird ein Staubsauger mit einem Gebläsemotor offenbart, wobei zur Energieversorgung des Gebläsemotors eine externe Akkumulatoreinheit vorhanden ist. Der hier gezeigte Staubsauger verfügt über ein Anschlusskabel mit dem der Gebläsemotor zur Energieversorgung an die Akkumulatoreinheit angeschlossen werden kann. Für die hier beschriebene Akkumulatoreinheit wird eine Betriebsspannung von 18 V oder 24 V vorgeschlagen.In the US 2005/155177 A1 a vacuum cleaner is disclosed with a blower motor, wherein an external accumulator unit is provided for the power supply of the blower motor. The vacuum cleaner shown here has a connection cable with which the fan motor can be connected to the accumulator unit for power supply. For the accumulator unit described here, an operating voltage of 18 V or 24 V is proposed.

Die WO 2004/041054 A1 beschreibt einen Staubsauger, bei dem sowohl die Bürstenwalze als auch das Gebläse eines Saugvorsatzes mit wiederaufladbaren Batterien betrieben wird. Ein Netzanschluss ermöglich das Aufladen der Batterien im Gerät. Ein ähnlicher Staubsauger ist auch aus der US 2002/112315 A1 bekannt.The WO 2004/041054 A1 describes a vacuum cleaner in which both the brush roller and the fan of a suction attachment with rechargeable batteries is operated. A mains connection makes it possible to charge the batteries in the device. A similar vacuum cleaner is also from the US 2002/112315 A1 known.

In der nachveröffentlichten DE 10 2005 063 240 A1 ist ein Saugreinigungsgerät für wahlweisen Akku- und Netzbetrieb beschrieben. Dabei wird ein Universalmotor mit einer Netzspannung von ca. 50 V verwendet.In the post-published DE 10 2005 063 240 A1 a suction cleaning device for optional battery and mains operation is described. A universal motor with a mains voltage of approx. 50 V is used.

Der Erfindung stellt sich das Problem, einen Staubsauger der eingangs genannten Art zu offenbaren, welcher sowohl einen Netzbetrieb als auch einen netzunabhängigen Betrieb ermöglicht und bei dem der Unterschied für die maximal einstellbare Leistungsaufnahme des Gebläsemotors zwischen Netzspannungsbetrieb und Akkumulatorbetrieb in vertretbaren Grenzen gehalten wird. Hierzu ist der Gebläsemotor auf eine Nennspannung zwischen 80 und 120 Volt im Maximalbetrieb ausgelegt ist und die durch den Akkumulator erzeugte Spannung zwischen 50 Volt und 80 Volt beträgt. Zur Transformation der Netzspannung auf eine Betriebsspannung zwischen 50 Volt und 100 Volt ist eine entsprechende Schaltungsanordnung vorgesehen.The invention has the problem of disclosing a vacuum cleaner of the type mentioned, which allows both a network operation and a network-independent operation and in which the difference for the maximum adjustable power consumption of the fan motor between mains voltage operation and accumulator operation is kept within reasonable limits. For this purpose, the blower motor is designed for a nominal voltage between 80 and 120 volts in maximum operation and the voltage generated by the accumulator is between 50 volts and 80 volts. To transform the mains voltage to an operating voltage between 50 volts and 100 volts, a corresponding circuit arrangement is provided.

Der Benutzer kann den Staubsauger als Hybridstaubsauger somit ohne Umrüstung in beiden Betriebsarten nutzen, wobei er im Netzspannungsbetrieb als vollwertiger Staubsauger eingesetzt werden kann und im Akkumulatorbetrieb für das "Zwischendurchsaugen" schnell und flexibel mit etwas niedriger, aber immer noch akzeptabler Saugleistung zur Verfügung steht. Letzteres gilt insbesondere für Orte, die üblicherweise nicht in Reichweite einer Steckdose liegen, z. B. Gartenhäuser, Terrassen, Treppen oder Kfz's.The user can use the vacuum cleaner as a hybrid vacuum cleaner without retrofitting in both modes, where it can be used in mains voltage operation as a full vacuum cleaner and in accumulator mode for the "intermediate suction" is fast and flexible with slightly lower, but still acceptable suction available. The latter is especially true for places that are not usually within reach of a power outlet, z. As garden sheds, terraces, stairs or cars.

Es ist vorteilhaft, wenn der Akkumulator in einer Unterschale am Boden des Gehäuses angeordnet ist. Zur Fertigung des Hybridstaubsauger-Gehäuses muss dann lediglich eine modifizierte Bodenschale verwendet werden, alle anderen Gehäuseteile sind wie bei herkömmlichen netzbetriebenen Staubsaugern aufgebaut. Hierdurch können gleiche Werkzeuge zur Herstellung verwendet werden, was die Fertigung preiswert gestaltet. In einer zweckmäßigen Ausführungsform ist die Unterschale doppelwandig mit Versteifungsstreben ausgebildet. Es ist außerdem zweckmäßig, wenn in der Unterschale mehrere einzelne Akkumulatorzellen angeordnet sind und/oder wenn in der Unterschale Entnahmeöffnungen für den Akkumulator bzw. die Akkumulatorzellen vorgesehen sind.It is advantageous if the accumulator is arranged in a lower shell at the bottom of the housing. For the production of the hybrid vacuum cleaner housing then only a modified bottom shell must be used, all other housing parts are constructed as in conventional mains-powered vacuum cleaners. As a result, the same tools can be used for production, which makes the production inexpensive. In a expedient embodiment, the lower shell is double-walled with stiffening struts. It is also expedient if a plurality of individual accumulator cells are arranged in the lower shell and / or if removal openings for the accumulator or the accumulator cells are provided in the lower shell.

Um dem Benutzer ein Umschalten von Netzspannungsbetrieb auf Akkumulatorbetrieb zu ersparen, ist es vorteilhaft, wenn die Netzspannungszufuhr durch eine weitere Schaltungsanordnung sensierbar ist und die Betriebsart bei zugeführter Netzspannung auf Netzspannungsbetrieb und bei nicht vorhandener Netzspannungszufuhr auf Akkumulatorbetrieb einstellbar ist.To save the user switching from mains voltage operation to accumulator operation, it is advantageous if the mains voltage supply is sensed by a further circuit arrangement and the operating mode with supplied mains voltage to mains voltage operation and not available mains voltage supply to accumulator operation is adjustable.

Ein vorteilhaftes Verfahren zum Betrieb eines solchen Staubsaugers zeichnet sich dadurch aus, dass im Netzspannungsbetrieb eine Aufladung des Akkumulators erfolgt, so dass der Staubsauger dann auch ohne Netzkabel jederzeit betrieben werden kann.An advantageous method for operating such a vacuum cleaner is characterized in that in mains voltage operation, a charge of the accumulator takes place, so that the vacuum cleaner can then be operated at any time without power cord.

In einer besonders vorteilhaften Ausführungsform dieses Verfahrens verringert die weitere Schaltungsanordnung den mittels eines Leistungsstellers auswählbaren Maximalwert für die Gebläseleistung bei Akkumulatorbetrieb gegenüber dem Netzspannungsbetrieb. Hierdurch wird dem Benutzer deutlich gemacht, dass er im Akkumulatorbetrieb nicht mehr die volle im Netzspannungsbetrieb verfügbare Leistung einstellen kann.In a particularly advantageous embodiment of this method, the further circuit arrangement reduces the maximum value, which can be selected by means of a power controller, for the fan power in the case of accumulator operation in relation to the mains voltage operation. This makes it clear to the user that he can no longer set the full power available in mains operation in battery operation.

Zur Vermeidung eines Kurzschlusses müssen der Netzspannungsbetrieb und der Akkumulatorbetrieb beispielsweise durch ein Umschaltrelais gegeneinander verriegelbar sein.To avoid a short circuit, the mains voltage operation and the accumulator operation must be locked against each other, for example by a change-over relay.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigen:

Figur 1:
eine Seitenansicht eines Bodenstaubsaugers;
Figur 2:
eine perspektivische Rückansicht des Bodenstaubsaugers;
Figur 3:
eine teilweise geschnittene Unteransicht des Bodenstaubsaugers, gemäß Figur 1;
Figur 4:
eine Einzelansicht der Unterschale des Bodenstaubsaugers, gemäß der Figur 1;
Figur 5:
eine teilweise Draufsicht des Bereichs der Leistungsregelung des Bodenstaubsaugers gemäß der Erfindung; und
Figur 6:
eine schematische Schaltungsanordnung des erfindungsgemäßen Hybridstaubsaugers;
Figur 7:
eine schematische Schaltungsanordnung eines weiteren Ausführungsbeispiels eines Hybridstaubsaugers;
Figur 8:
das Ständerwicklungspaket des Gebläsemotors eines Hybridstaubsaugers nach Figur 7.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. Show it:
FIG. 1:
a side view of a vacuum cleaner;
FIG. 2:
a rear perspective view of the vacuum cleaner;
FIG. 3:
a partially sectioned bottom view of the vacuum cleaner, according to FIG. 1 ;
FIG. 4:
a single view of the lower shell of the vacuum cleaner, according to the FIG. 1 ;
FIG. 5:
a partial top view of the area of the power control of the vacuum cleaner according to the invention; and
FIG. 6:
a schematic circuit arrangement of the hybrid vacuum cleaner according to the invention;
FIG. 7:
a schematic circuit arrangement of another embodiment of a hybrid vacuum cleaner;
FIG. 8:
the stator winding package of the fan motor of a hybrid vacuum cleaner after FIG. 7 ,

Die Figuren 1 bis 3 zeigen insbesondere einen erfindungsgemäß als Hybridstaubsauger ausgebildeten Bodenstaubsauger 1. Für den Netzbetrieb ist eine Kabeltrommel 2 (siehe Figur 6) mit darauf aufwickelbarem Netzanschlusskabel 3 vorgesehen, welche wie bei anderen von der Anmelderin hergestellten und vertriebenen Bodenstaubsaugern (siehe auch DE 10 2005 018 908 ) hinten rechts im Inneren des Gehäuses 4 angeordnet und deshalb in den Figuren nicht sichtbar ist. In Figur 2 ist lediglich das aus dem Gehäuse 4 geführte Ende des Anschlusskabels 3 samt Netzstecker 3.1 dargestellt. Für den netzlosen Betrieb ist ein Akkumulator 5 vorhanden, wobei der Akkumulator 5 und die Kabeltrommel 2 als fest integrierte Bestandteile im Staubsaugergehäuse 4 angeordnet sind.The FIGS. 1 to 3 in particular show a inventively designed as a hybrid vacuum cleaner vacuum cleaner 1. For the mains operation is a cable drum 2 (see FIG. 6 ) provided thereon with power supply cable 3, which as in other manufactured and distributed by the Applicant vacuum cleaners (see also DE 10 2005 018 908 ) Rear right inside the housing 4 and therefore not visible in the figures. In FIG. 2 only the guided out of the housing 4 end of the connecting cable 3 is shown together with power plug 3.1. For the mains-less operation, an accumulator 5 is present, wherein the accumulator 5 and the cable drum 2 are arranged as firmly integrated components in the vacuum cleaner housing 4.

Wie aus der Figur 1 und 3 zu erkennen ist, ist der Akkumulator 5 in einer Unterschale 6 am Boden des Gehäuses 4 angeordnet. Die Unterschale 6 ist in isolierter Darstellung nochmals in der Figur 4 in der Perspektive gezeigt. Sowohl Figur 3 als auch Figur 4 zeigen, dass der Akkumulator 5 aus einzelnen Zellen 7 aufgebaut ist, welche zur Erzeugung einer Ausgangsspannung von ca. 65 Volt elektrisch in Reihe geschaltet sind (nicht dargestellt). Dabei ist die Unterschale 6 doppelwandig mit Versteifungsstreben 8 ausgebildet, so dass die Schale 6 eine hinreichende Festigkeit bietet. In der Unterschale sind Entnahmeöffnungen 11 zum Austausch der Akkumulatorzellen 7 vorgesehen.Like from the FIG. 1 and 3 can be seen, the accumulator 5 is arranged in a lower shell 6 at the bottom of the housing 4. The lower shell 6 is in isolated representation again in the FIG. 4 shown in perspective. Either FIG. 3 as well as FIG. 4 show that the accumulator 5 is constructed of individual cells 7, which are electrically connected in series to generate an output voltage of about 65 volts (not shown). Here, the lower shell 6 is double-walled with stiffening struts 8, so that the shell 6 provides sufficient strength. In the lower shell removal openings 11 are provided for replacing the battery cells 7.

Die Akkumulatorzellen 7 sind im vorderen Bereich der Unterschale 6 unterhalb des Staubraums 9 angeordnet, was den Vorteil mit sich bringt, dass durch die angesaugte Luft in den Staubraum 9 eine Kühlung der Zellen 7 während des Aufladungsprozesses erfolgt.The accumulator cells 7 are arranged in the front region of the lower shell 6 below the dust chamber 9, which brings with it the advantage that cooling of the cells 7 takes place during the charging process by the sucked air into the dust chamber 9.

Die Figur 5 zeigt in der Draufsicht insbesondere den Bereich des Bodenstaubsaugers 1, in dem zwischen der Einschalt-Taste 12 und der Taste 13 zur Betätigung der automatischen Kabelaufwicklung ein Bedienfeld 14 mit einer Plus-Minus-Taste 15 und einem zugehörigen Display 16 angeordnet ist. Mit der Plus-Minus-Taste 15 wird die Leistung des Gebläsemotors 10 eingestellt.The FIG. 5 shows in plan view in particular the area of the vacuum cleaner 1, in which between the power button 12 and the button 13 for actuating the automatic cable winder, a control panel 14 with a plus-minus button 15 and an associated display 16 is arranged. With the plus-minus button 15, the power of the fan motor 10 is set.

Die Figur 6 zeigt in isolierter Darstellung das elektrische Schaltbild der Stromversorgung für den Hybrid-Bodenstaubsauger 1, wie er bereits beschrieben wurde. Dabei werden für die Schaltsymbole der Bauteile, die in den Figuren 1 bis 5 gegenständlich dargestellt sind, die gleichen Bezugszeichen verwendet. Für den Antrieb des Gebläses ist erfindungsgemäß ein mit einer Maximalspannung von 100 Volt betreibbarer Universalmotor 10 vorgesehen, der bei dieser Spannung eine elektrische Leistung von ca. 1200 Watt aufnimmt. Um diese Spannung zu erzeugen, wird die Netzspannung bei kontaktiertem Netzstecker 3.1 über die Kabeltrommel 2 an einen ersten, in der Gerätesteuerung 17 integrierten Umrichter 18 geleitet. Dort wird sie durch Pulsweitenmodulation von 230 Volt auf eine Ausgangsspannung zwischen 50 und 100 Volt transformiert, die dann an einem ersten Spannungsausgang mit den Klemmen 19.1 und 19.2 liegt. Die endgültige Höhe der Ausgangsspannung ist abhängig vom Einstellwert der Plus-Minus-Taste 15, in Figur 6 durch das Potentiometer 15.1 symbolisiert, wobei eine Ausgangsspannung von 100 Volt einer Leistungsaufnahme von ca. 1200 Watt und ein Einstellwert von 50 Volt einer Leistungsaufnahme von ca. 300 Watt entspricht. Parallel wird die Netzspannung über einen zweiten Umrichter 20, ebenfalls in der Gerätesteuerung 17 integriert, auf 75 Volt herunter transformiert und anschließend gleichgerichtet. Diese Spannung liegt parallel an den Leitungen 21.1 und 21.2, die vom Akkumulator 5 an einen zweiten Spannungsausgang 22 geführt sind und laden den Akkumulator 5 bei kontaktiertem Netzstecker 3.1 auf. Die vom Akkumulator 5 erzeugte Ausgangsspannung kann, ebenfalls durch Pulsweitenmodulation von maximal 65 Volt (entspricht einer Leistung von 600 Watt) auf 50 Volt (entspricht einer Leistung von 300 Watt) reduziert werden. Ein Umschaltrelais 24 legt den Gebläsemotor 10 im stromlosen Zustand über die Ein-Aus-Taste 12 wie dargestellt an den zweiten Spannungsausgang mit den Klemmen 22.1 und 22.2. Hierdurch wird die Spannungsversorgung über den Akkumulator 5 hergestellt. Wenn der Netzstecker 3.1 kontaktiert ist, zieht das Umschaltrelais 24 an und schaltet den Gebläsemotor 10 an den ersten Spannungsausgang 19.1 und 19.2. Hierdurch wird eine automatische Umschaltung auf Netzspannungsbetrieb hergestellt. Durch das Relais 24 werden Akkumulatorbetrieb und Netzspannungsbetrieb zur Vermeidung eines Kurzschlusses sicher gegeneinander verriegelt. Das Relais und die Spannungsausgänge 19.1/19.2 und 22.1/22.2 sind somit Bestandteile einer Schaltungsanordnung, durch welche eine Netzspannungszufuhr sensierbar und die Betriebsart bei zugeführter Netzspannung auf Netzspannungsbetrieb und bei nicht vorhandener Netzspannungszufuhr auf Akkumulatorbetrieb einstellbar ist. Diese Schaltungsanordnung ist durch den Kasten 23 symbolisiert.The FIG. 6 shows in isolation the electrical diagram of the power supply for the hybrid vacuum cleaner 1, as already described. It will be used for the symbols of the components that in the FIGS. 1 to 5 are represented representationally, the same reference numerals. According to the invention, a universal motor 10 which can be operated with a maximum voltage of 100 volts is provided for the drive of the fan, which receives an electrical power of about 1200 watts at this voltage. To generate this voltage, the mains voltage is at contacted power plug 3.1 via the cable drum. 2 to a first, integrated in the device control 17 inverter 18 passed. There, it is transformed by pulse width modulation of 230 volts to an output voltage between 50 and 100 volts, which is then at a first voltage output to the terminals 19.1 and 19.2. The final level of the output voltage depends on the set value of the plus-minus button 15, in FIG. 6 symbolized by the potentiometer 15.1, wherein an output voltage of 100 volts of a power consumption of about 1200 watts and a set value of 50 volts corresponds to a power consumption of about 300 watts. In parallel, the mains voltage via a second inverter 20, also integrated in the device control 17, transformed down to 75 volts and then rectified. This voltage is parallel to the lines 21.1 and 21.2, which are performed by the accumulator 5 to a second voltage output 22 and charge the battery 5 when contacted power plug 3.1. The output voltage generated by the accumulator 5, also by pulse width modulation of a maximum of 65 volts (equivalent to a power of 600 watts) to 50 volts (equivalent to a power of 300 watts) can be reduced. A changeover relay 24 sets the fan motor 10 in the de-energized state via the on-off button 12 as shown to the second voltage output with the terminals 22.1 and 22.2. As a result, the power supply via the accumulator 5 is produced. When the power plug 3.1 is contacted, the change-over relay 24 picks up and switches the fan motor 10 to the first voltage output 19.1 and 19.2. As a result, an automatic switch to mains voltage operation is established. By the relay 24 accumulator operation and mains voltage operation to avoid a short circuit are securely locked against each other. The relay and the voltage outputs 19.1 / 19.2 and 22.1 / 22.2 are thus components of a circuit arrangement by which a mains voltage supply can be sensed and the operating mode with supplied mains voltage to mains voltage operation and in the absence of mains voltage supply to accumulator operation is adjustable. This circuit is symbolized by the box 23.

Anhand der vorbeschriebenen Schaltung wird ein Hybridstaubsauger mit folgenden Funktionen realisiert:Based on the circuit described above, a hybrid vacuum cleaner with the following functions is realized:

Ist das Gerät ausgeschaltet und der Netzstecker 3.1 nicht eingesteckt, ist keine Funktion des Staubsaugers 1 möglich. Ist das Gerät ausgeschaltet und der Netzstecker 3.1 kontaktiert, werden die Akkumulatorzellen 7 geladen. Ist das Gerät über die Ein-Aus-Taste 12 eingeschaltet und der Netzstecker 3.1 eingesteckt, werden die Akkumulatorzellen 7 geladen und der Staubsauger 1 läuft im Netzspannungsbetrieb. Ist das Gerät über die Ein-Aus-Taste 12 eingeschaltet und der Netzstecker 3.1 nicht kontaktiert, so läuft der Staubsauger 1 ausschließlich im Akkumulatorbetrieb. Somit wird deutlich, wie bedienungsfreundlich sich der erfindungsgemäße Hybridstaubsauger 1 darstellt. In welcher Betriebsart der erfindungsgemäße Hybridstaubsauger 1 betrieben wird, hängt somit letztendlich nur davon ab, ob der Netzstecker 3.1 kontaktiert ist oder nicht.If the device is switched off and the power plug 3.1 is not plugged in, no function of the vacuum cleaner 1 is possible. If the device is switched off and the power plug 3.1 is contacted, the battery cells 7 are charged. If the device is turned on via the on-off button 12 and plugged in the power plug 3.1, the battery cells 7 are charged and the vacuum cleaner 1 runs in line voltage operation. If the device is turned on via the on-off button 12 and the power plug 3.1 is not contacted, the vacuum cleaner 1 runs exclusively in battery operation. It thus becomes clear how easy to use the hybrid vacuum cleaner 1 according to the invention is. In which mode of the invention Hybrid vacuum cleaner 1 is operated, thus ultimately depends only on whether the power plug 3.1 is contacted or not.

Da aufgrund der geringeren Akkumulatorspannung nur eine reduzierte Leistung einstellbar ist, ist es sinnvoll, wenn bei stromlosem Umschaltrelais 24 die Möglichkeit einer Einstellung von mehr als 600 Watt blockiert oder nicht zugelassen wird. Die Einstellung der Gebläseleistung erfolgt über die Plus-Minus-Taste 15, wobei der jeweilige Leistungszustand über eine LED (nicht dargestellt) im Display 16 angezeigt wird. Eine Abstufung von z.B. 1200 Watt auf 900 Watt, 600 Watt, evtl. 450 Watt und 300 Watt wäre dabei sinnvoll. Im Netzspannungsbetrieb kann dann die Leistung über die Taste 15 in einem Bereich zwischen 1200 und 300 Watt, also in vier Stufen, verstellt werden. Der Akkumulatorbetrieb wäre dagegen nur in zwei oder drei Stufen zwischen 600 und 300 Watt einstellbar.Since only a reduced power is adjustable due to the lower battery voltage, it makes sense if the possibility of setting more than 600 watts is blocked or not permitted when de-energized changeover relay 24. The setting of the fan power via the plus-minus button 15, the respective power state via an LED (not shown) is displayed 16 in the display. A gradation of e.g. 1200 watts to 900 watts, 600 watts, possibly 450 watts and 300 watts would be useful. In mains voltage operation, the power can then be adjusted via the button 15 in a range between 1200 and 300 watts, ie in four stages. The accumulator operation, however, would only be adjustable in two or three stages between 600 and 300 watts.

Alternativ kann ein nicht dargestelltes Drehpotentiometer verwendet werden, dessen Leistungseinstellung nicht mit Ziffernangaben, sondern nur mit "Max" und "Min" beschriftet ist. Im Netzspannungsbetrieb entspricht die "Max"-Position dann 2000 bzw. 1200 Watt, im Akkumulator-Betrieb 600 Watt. Die "Min"- Position entspricht der Einstellung von 300 Watt.Alternatively, an unillustrated rotary potentiometer can be used whose power setting is not labeled with numbers, but only with "Max" and "Min". In mains voltage operation, the "Max" position then corresponds to 2000 or 1200 watts, in accumulator mode 600 watts. The "Min" position corresponds to the setting of 300 watts.

Claims (7)

  1. Vacuum cleaner, in particular a floor-type vacuum cleaner (1), comprising a housing (4) in which a motor-driven suction fan and a device for producing the energy supply of the fan motor (10) are arranged, an accumulator (5) and a cable drum (2) for supplying the fan motor (10) with energy both being arranged inside the housing (4) as permanently integrated components in order to selectively operate the vacuum cleaner (1) in accumulator operation and in mains-voltage operation,
    characterised in that
    the fan motor (10) is designed for a nominal voltage of between 80 and 120 volts during maximum operation and in that the voltage generated by the accumulator (5) is between 50 and 80 volts.
  2. Vacuum cleaner according to claim 1,
    characterised by a circuit arrangement (18) for transforming the mains input voltage to an operating voltage of between 50 and 100 volts.
  3. Vacuum cleaner according to either claim 1 or claim 2,
    characterised in that
    the voltage generated by the accumulator (5) is approximately 65 volts.
  4. Vacuum cleaner according to at least one of claims 1 to 3,
    characterised in that
    the accumulator (5) is arranged in a lower shell (6) at the base of the housing (4).
  5. Vacuum cleaner according to claim 4,
    characterised in that
    the lower shell (6) is double-walled and has stiffening struts (8).
  6. Vacuum cleaner according to either claim 4 or claim 5,
    characterised in that
    a plurality of individual accumulator cells (7) are arranged in the lower shell (6).
  7. Vacuum cleaner according to any of claims 4 to 6,
    characterised in that
    removal openings (11) for the accumulator (5) or the accumulator cells (7) are provided in the lower shell (6).
EP20060829557 2005-12-19 2006-12-13 Vacuum cleaner, especially floor vacuum cleaner Active EP1962661B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090014721 EP2163180A3 (en) 2005-12-19 2006-12-13 Vacuum cleaner, in particular floor vacuum cleaner

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005061040 2005-12-19
DE200610058613 DE102006058613B4 (en) 2006-12-11 2006-12-11 Vacuum cleaner whose blower motor can be energized both in battery operation and in mains voltage operation
PCT/EP2006/011980 WO2007073864A2 (en) 2005-12-19 2006-12-13 Vacuum cleaner, especially floor vacuum cleaner

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20090014721 Division-Into EP2163180A3 (en) 2005-12-19 2006-12-13 Vacuum cleaner, in particular floor vacuum cleaner
EP20090014721 Division EP2163180A3 (en) 2005-12-19 2006-12-13 Vacuum cleaner, in particular floor vacuum cleaner

Publications (2)

Publication Number Publication Date
EP1962661A2 EP1962661A2 (en) 2008-09-03
EP1962661B1 true EP1962661B1 (en) 2014-05-21

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EP20060829557 Active EP1962661B1 (en) 2005-12-19 2006-12-13 Vacuum cleaner, especially floor vacuum cleaner
EP20090014721 Withdrawn EP2163180A3 (en) 2005-12-19 2006-12-13 Vacuum cleaner, in particular floor vacuum cleaner

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Application Number Title Priority Date Filing Date
EP20090014721 Withdrawn EP2163180A3 (en) 2005-12-19 2006-12-13 Vacuum cleaner, in particular floor vacuum cleaner

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EP (2) EP1962661B1 (en)
WO (1) WO2007073864A2 (en)

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Also Published As

Publication number Publication date
EP2163180A2 (en) 2010-03-17
WO2007073864A3 (en) 2007-11-22
EP1962661A2 (en) 2008-09-03
US8601640B2 (en) 2013-12-10
US20080256742A1 (en) 2008-10-23
EP2163180A3 (en) 2014-03-12
WO2007073864A2 (en) 2007-07-05

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