EP3108785A1 - Vacuum cleaner and method for operating same - Google Patents
Vacuum cleaner and method for operating same Download PDFInfo
- Publication number
- EP3108785A1 EP3108785A1 EP16174403.2A EP16174403A EP3108785A1 EP 3108785 A1 EP3108785 A1 EP 3108785A1 EP 16174403 A EP16174403 A EP 16174403A EP 3108785 A1 EP3108785 A1 EP 3108785A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- vacuum cleaner
- support element
- actuator
- switch
- 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
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Classifications
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- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/34—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with height adjustment of nozzles or dust-loosening tools
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/066—Nozzles with fixed, e.g. adjustably fixed brushes or the like with adjustably mounted brushes, combs, lips or pads; Height adjustment of nozzle or dust loosening tools
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- 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
- A47L9/2852—Elements for displacement of the vacuum cleaner or the accessories therefor, e.g. wheels, casters or nozzles
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- 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
Definitions
- the invention relates to a vacuum cleaner with a suction nozzle for sucking dirt and / or dust, in particular coarse material and / or fine dust, from a soil by means of a Saugluftströmung and with a handle for manually moving the suction nozzle on the floor, wherein the suction nozzle is a housing, a within the housings formed suction chamber with a bottom-side, a suction mouth forming opening, opening into the suction chamber suction channel for guiding the Saugluftströmung and a support member, wherein the support element by means of a preferably electric actuator relative to the underside of the suction nozzle is movable to a through Extending the support member to increase the distance of the suction mouth from the ground at least partially and to reduce the distance of the suction mouth from the ground at least partially by retracting the support member.
- a vacuum cleaner of the type mentioned is from the EP 2 098 150 B1 known.
- the suction nozzle of the vacuum cleaner described therein should be universally applicable to carpets and hard floors and have both good suction properties for fine dust and coarse material.
- the suction nozzle is provided with a separately switchable additional device for sucking coarse material, with which a greater distance can be achieved between the floor surface to be cleaned and the suction mouth than in a regular suction operation.
- the EP 2 098 150 B1 Support rollers before, which are vertically adjustable, so that the suction nozzle can be raised by extending the support rollers to a higher level. At this higher level coarse material can get better under the suction nozzle and thus also under the suction mouth and thus sucked.
- an actuating device arranged on the upper side of the suction nozzle is proposed.
- suction nozzles for vacuum cleaners are switchable between two positions that in a carpet position a particular suitable for sucking carpets position of the suction nozzle is achieved and in a hard bottom position accordingly a particularly suitable for sucking hard floors Position.
- the distance of the suction mouth of the soil to be sucked in the carpet position is lower than in the hard ground position.
- a change between these two positions can e.g. be carried out by one or more bristle rows are extended from the bottom of the suction nozzle, which bring the suction nozzle in total at a greater distance from the ground.
- a footswitch is often provided in the known from practice suction nozzles.
- a vacuum cleaner with a suction nozzle for sucking dirt and / or dust, in particular coarse material and / or fine dust, from a soil by means of a Saugluftströmung and with a handpiece for manual Moving the suction nozzle provided over the bottom wherein the suction nozzle comprises a housing, a suction chamber formed within the housing with a bottom, a suction mouth forming opening, opening into the suction chamber suction channel for guiding the Saugluftströmung and a support element, wherein the support element by means of a preferably electric actuator relative to the underside of the suction nozzle is movable to at least partially increase by extending the support member, the distance of the suction mouth from the ground and at least partially reduce the distance of the suction mouth from the ground by retracting the support member, characterized in that the actuator means a manually operated switch arranged on the handpiece can be activated.
- the distance of the suction mouth from the ground by means of such a switch is controllable, which is arranged on the handle of the vacuum cleaner and thus manually operated by a user of the vacuum cleaner in a simple manner. If the handpiece is held by the user in order to move the suction nozzle over the floor to be sucked, it requires only a small movement of a finger of the user due to the switch arranged on the handpiece for manual operation, which makes the height adjustment of the suction nozzle in the vacuum cleaner according to the invention particularly simple power.
- a working position of the support element for a regular suction operation and a temporary coarse material position of the support element for a relation to the working position improved suction of coarse material are provided, wherein the support element for taking the temporary coarse material position is further extended with respect to its working position, so that in the temporary Grobgut ein at least partially a greater distance of the suction mouth is achieved from the ground than in the working position.
- the suction nozzle of the vacuum cleaner from a position which is basically well suited for the suction of the respective soil are temporarily placed in another position in which an improved extraction of coarse material is provided.
- the support member is temporarily extended further, so that due to the associated greater distance of the suction mouth from the ground coarse material can get under the suction nozzle and thus under the suction mouth, so that it is sucked off.
- the distance of the suction mouth from the bottom in the temporary coarse material position of the support element by a predetermined absolute amount or by a predetermined relative amount may be greater than in the working position of the support element.
- the suction nozzle is always raised in addition by a predetermined value, for example by 50% of the existing in the working position of the support member distance of the suction mouth from the ground.
- a predetermined value for example by 50% of the existing in the working position of the support member distance of the suction mouth from the ground.
- the support element for taking the temporary coarse material position can be actuated by the manually actuatable switch arranged on the handpiece. This allows a user of the vacuum cleaner namely, as already mentioned above, to operate the suction nozzle by means of a single finger and to bring it to a greater distance from the ground to improve the coarse material suction.
- the actuator is connected to the switch via a control device and the control device is set up such that upon manual activation of the Switch over a predetermined activation period addition, the support member is brought from its working position in the temporary coarse material position, held there as long as the manual activation of the switch stops, and then returns to its working position.
- a correspondingly configured control device thus allows the user of the vacuum cleaner to temporarily achieve a suitable position of the suction nozzle for improved coarse material extraction by activating the switch and keeping it activated as long as the improved coarse material suction is to be maintained.
- a push button or a slide switch can be configured such that it can be activated manually for a certain period of time without much effort, namely, pressed or displaced for a certain period of time in order to achieve the temporary coarse material position of the support element. That by means of the control device, the actuator is driven only for the duration of activation of the switch such that the support member is brought from its working position in the temporary coarse material, also has the advantage that the user can not forget after the desired by him improved Grobgutabsaugung back into normal operation. Namely, as soon as the user no longer actuates the switch, a return of the support element to its working position takes place automatically in the present embodiment.
- two mutually different working positions of the support element are provided, namely on the one hand a carpet position of the support element and on the other hand, a hard bottom position of the support element, wherein the support element is further extended in the hard ground position than in the carpet position, so that in the hard ground position at least partially greater distance of the suction mouth is achieved from the ground than in the carpet position, wherein the actuator of the manually operable switch on the handset for switching can be controlled between the carpet position and the hard ground position.
- the suction mouth is raised by operating the switch such that in the coarse material position, the distance of the suction mouth from the ground is greater than the distance of the suction mouth from the ground in the hard ground position.
- the actuator connected to the switch via a control device, via the previously mentioned control device or via a different control device, wherein the corresponding control device is configured such that upon manual activation of the switch, which falls below a predetermined switching time, the actuator for Switching between the carpet position and the hard bottom position is controlled.
- a switchover between the carpet position and the hard bottom position is achieved by briefly pressing the manually operated switch designed as a button.
- a switch between these two positions means both a change from the carpet position to the hard ground position and vice versa.
- a position sensor for at least indirect determination of the position of the support element is preferably provided. If the position of the support element can indeed be determined actively, then it can be ensured that the support element after its transfer to the temporary coarse material position actually returns to that working position from which it has come.
- the actuator is connected to the support member by means of a spindle, the position of the support member is uniquely determined by the position of the spindle and a position sensor is used to detect the position of the spindle.
- This position sensor is preferably designed for detecting the revolutions of the spindle, and very particularly preferably as at least one Hall sensor, with which the revolutions and thus the position of the spindle can be detected.
- the position of the spindle In order to detect the position of the spindle, other variants may be provided. Thus, several Hall sensors can be placed on the actuator. Furthermore, a sliding resistance may be provided, whose Resistance change can also be used for the detection of the position. Finally, the position can also be determined by means of mechanical switches.
- such a control device for controlling the support member is further provided, with which the position sensor for transmitting the detected position of the spindle is connected, wherein the control device is designed such that the activation of the support element in dependence on the detected position of the Spindle takes place.
- This control device may also be one of the above-mentioned control devices or different from these.
- the support element can basically be designed as a rigid element, with which the suction nozzle is supported against the ground.
- the support member may have a sliding surface.
- the support element is provided with a roller and / or with a roller.
- a method for operating a vacuum cleaner with a suction nozzle for sucking dirt and / or dust, in particular coarse material and / or fine dust, provided by a bottom with a Saugluftströmung and with a handle for manually moving the suction nozzle to the bottom wherein the suction nozzle a housing, a suction chamber formed within the housing with a bottom-side, a suction mouth forming opening into the suction chamber suction channel for guiding the Saugluftströmung and a support member, wherein the support member is moved by means of a preferably electric actuator relative to the underside of the suction nozzle to by extending the support member to increase the distance of the suction mouth from the ground at least partially and by retraction of the support member, the distance of the suction mouth from Floor at least partially reduce, characterized in that the actuator is controlled by means of a manually operated switch arranged on the hand part.
- Fig. 1 is a vacuum cleaner 1 with a handling tube 2, a base housing 3 and a suction nozzle 4 can be seen, which is placed on a bottom 5.
- a dust collecting space not shown, is provided which has a dust filter bag, also not shown, in which dust and / or dirt particles entrained by means of a suction air flow from the bottom 5 are collected.
- a flow-tight connection between the suction nozzle 4 and the dust collecting space is formed.
- the vacuum cleaner 1 according to the presently described preferred embodiment of the invention at the end of the handling tube 2 facing away from the suction nozzle 4 has a handle 17, with which the vacuum cleaner 1 and thus the suction nozzle 4 can be moved over the bottom 5.
- a power cord 19 On the handle 17 is a power cord 19 to supply the vacuum cleaner 1 with electric power.
- a switch 18 is arranged on the handset 17, with which the vacuum cleaner 1 is controllable, as explained in detail below.
- the presently described design of the vacuum cleaner 1 for the invention is of course not restrictive.
- such vacuum cleaners are also within the scope of the invention, in which the base housing is not arranged directly on the handling tube, but instead, for example. is connected by means of a hose with the handling tube at its ends the suction nozzle or the handpiece.
- Fig. 2 shows the suction nozzle 4 of the vacuum cleaner 1 according to the presently described preferred embodiment of the invention schematically in a side view.
- the suction nozzle 4 has a housing 6 made of plastic, the bottom 7 is aligned with the bottom 5 out.
- a transversely to the Vorhubraum r longitudinally extending tunnel is designed as a suction chamber 8 in the housing 6.
- a brush not shown here for Removal of dirt and / or dust particles from the ground 5 may be arranged.
- the suction chamber 8 is, as not shown in detail in the present case, connected in a flow-tight manner to a fan, not shown, leading to a suction channel 9, so that the suction chamber 8 can be acted upon by a suction air flow. Dirt and / or dust particles entrained by the suction air flow thus pass from the dust chamber 8 through the suction channel 9 into the dust collecting chamber of the vacuum cleaner 1.
- two rollers 10 are provided in the lateral regions of the housing 4, of which in Fig. 2 only one is apparent.
- the axis 11 of the rollers 10 extends through the plane defined by the bottom 7 of the main body 6 of the suction nozzle 4 level, perpendicular to the Vorhubraum r.
- the suction chamber 8 is bounded at the front by a flexible sealing lip 15, while the rear boundary of the suction chamber 8 is formed by a row of bristles 16.
- the suction chamber 8 has a bottom-side, a suction mouth 21 forming opening passes through the sucked from the bottom 5 dirt in the suction chamber 8.
- the suction nozzle 4 is provided with a support element 12 in the form of a support roller, which is movable by means of an electric actuator 13. Namely, the support member 12 relative to the bottom 7 of the suction nozzle 4 can be moved so that upon extension of the support member 12, the distance of the suction mouth 21 from the bottom 5 can be increased and 12 by retraction of the support member 12, the distance of the suction mouth 21 from the bottom 5 reduced is.
- the extension or retraction of the support element 12 by means of the actuator 13 by means of a spindle 14, with which the support member 12 is connected to the actuator 13.
- Fig. 3 4 and 5 It is shown how the actuator 13 can be controlled by means of the handle 17 provided on the switch 18 by a user of the vacuum cleaner 1 to bring the support member 12 in different positions.
- the basic control procedure is off Fig. 5 seen.
- the am Handpiece 17 provided switch 18 is connected to a control device 19.
- the control device 19 is furthermore connected to the actuator 13, which can effect a movement of the support element 12 by means of the spindle 14.
- the spindle 14 adjacent to a position sensor 20 is arranged in the form of a Hall sensor, with which the position of the spindle 14 can be detected by counting their revolutions.
- the position sensor 20 which is likewise connected to the control device 19, can supply the control device 19 with a signal which allows the control device 19 to draw conclusions regarding the position of the support element 12 due to the position of the spindle 14.
- Fig. 3 shows a diagram indicating the distance a of the suction mouth 21 from the bottom 5 in dependence on the time t.
- the user may also control the suction nozzle 4 by means of the switch provided on the handpiece 17, as in FIG Fig. 4 shown.
- the control of the support member 12 relates to the switching from a hard ground position in a carpet position, wherein the distance of the suction mouth 21 from the bottom 5 in the carpet position is lower than in the hard ground position.
- a short press of the switch 18 provided on the handpiece 17 with a duration of less than 1 s is interpreted by the controller 19 such that the user desires a change between the hard bottom position of the support element and the carpet position.
- the control device 19 can not detect due to the pressing of the switch 18 by the user. Regardless of the direction in which the switchover between the carpet position and the hard floor position is to take place, the user must always press the switch 18 only once for a short time.
- the position of the spindle 14 is known to the control device 19 on the basis of the signal transmitted by the position sensor 20, so that the control device 19 can also determine by means of this signal where the support element 12 is located, in particular whether it is in its carpet position and in the hard ground position must be transferred or vice versa.
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Abstract
Die Erfindung betrifft einen Staubsauger (I) und Verfahren zum Betreiben eines Staubsaugers (1). Der erfindungsgemäße Staubsauger (1) ist mit einer Saugdüse (4) zum Auf-saugen von Schmutz und/oder Staub, insbesondere Grobgut und/oder Feinstaub, von einem Boden (5) mittels einer Saugluftströmung und mit einem Handteil (17) zum manuellen Bewegen der Saugdüse (4) über den Boden (5) versehen, wobei die Saugdüse (4) ein Gehäuse (6), einen innerhalb des Gehäuses (6) gebildeten Saugraum (8) mit einer bodenseitigen, einen Saugmund (21) bildenden Öffnung, einen in den Saugraum (8) mündenden Saugkanal (9) zum Führen der Saugluftströmung und ein Stützelement (12) aufweist, wobei das Stützelement (12) mittels eines Aktuators (13) relativ zur Unterseite (7) der Saugdüse (4) verfahrbar ist, um durch ein Ausfahren des Stützelements (12) den Abstand des Saugmunds (21) vom Boden (5) wenigstens bereichsweise zu erhöhen und durch ein Einfahren des Stützelements (12) den Abstand des Saugmunds (21) vom Boden (5) wenigstens bereichsweise zu verringern. Dabei ist der Aktuator (13) mittels eines am Handteil (17) angeordneten manuell betätigbaren Schalters (18) ansteuerbar ist. Damit wird ein derartiger Staubsauger (1) bereitgestellt, der mit geringem Aufwand eine Anpassung seiner Saugdüse (4) an eine jeweilige Situation ermöglicht, um auch ein verlässliches Absaugen von Grobgut zu gewährleisten.The invention relates to a vacuum cleaner (I) and method for operating a vacuum cleaner (1). The vacuum cleaner (1) according to the invention is provided with a suction nozzle (4) for sucking up dirt and / or dust, in particular coarse material and / or fine dust, from a base (5) by means of a suction air flow and with a handpiece (17) for manual movement the suction nozzle (4) over the bottom (5), wherein the suction nozzle (4) has a housing (6), a suction space (8) formed inside the housing (6) with a bottom opening forming a suction mouth (21) in the suction chamber (8) opening suction channel (9) for guiding the Saugluftströmung and a support member (12), wherein the support member (12) by means of an actuator (13) relative to the underside (7) of the suction nozzle (4) is movable to by extending the support element (12) to increase the distance of the suction mouth (21) from the bottom (5) at least partially and by retracting the support member (12) to reduce the distance of the suction mouth (21) from the bottom (5) at least partially. In this case, the actuator (13) by means of a hand part (17) arranged manually operable switch (18) is controllable. Thus, such a vacuum cleaner (1) is provided, which allows with little effort, an adaptation of its suction nozzle (4) to a particular situation, to ensure a reliable extraction of coarse material.
Description
Die Erfindung betrifft einen Staubsauger mit einer Saugdüse zum Aufsaugen von Schmutz und/oder Staub, insbesondere Grobgut und/oder Feinstaub, von einem Boden mittels einer Saugluftströmung und mit einem Handteil zum manuellen Bewegen der Saugdüse über den Boden, wobei die Saugdüse ein Gehäuse, einen innerhalb des Gehäu¬ses gebildeten Saugraum mit einer bodenseitigen, einen Saugmund bildenden Öffnung, einen in den Saugraum mündenden Saugkanal zum Führen der Saugluftströmung und ein Stützelement aufweist, wobei das Stützelement mittels eines vorzugsweise elektrischen Aktuators relativ zur Unterseite der Saugdüse verfahrbar ist, um durch ein Ausfahren des Stützelements den Abstand des Saugmunds vom Boden wenigstens bereichsweise zu erhöhen und durch ein Einfahren des Stützelements den Abstand des Saugmunds vom Boden wenigstens bereichsweise zu verringern.The invention relates to a vacuum cleaner with a suction nozzle for sucking dirt and / or dust, in particular coarse material and / or fine dust, from a soil by means of a Saugluftströmung and with a handle for manually moving the suction nozzle on the floor, wherein the suction nozzle is a housing, a within the housings formed suction chamber with a bottom-side, a suction mouth forming opening, opening into the suction chamber suction channel for guiding the Saugluftströmung and a support member, wherein the support element by means of a preferably electric actuator relative to the underside of the suction nozzle is movable to a through Extending the support member to increase the distance of the suction mouth from the ground at least partially and to reduce the distance of the suction mouth from the ground at least partially by retracting the support member.
Ein Staubsauger der eingangs genannten Art ist aus der
Darüber hinaus ist es aus der Praxis bekannt, dass Saugdüsen für Staubsauger derart zwischen zwei Stellungen umschaltbar sind, dass in einer Teppichbodenstellung eine insbesondere für das Saugen von Teppichböden geeignete Stellung der Saugdüse erzielt wird und in einer Hartbodenstellung dementsprechend eine besonders für das Saugen von Hartböden geeignete Stellung. Typischerweise ist der Abstand des Saugmunds von dem zu saugenden Boden in der Teppichbodenstellung geringer als in der Hartbodenstellung. Ein Wechsel zwischen diesen beiden Stellungen kann z.B. dadurch erfolgen, dass eine oder mehrere Borstenreihen aus der Unterseite der Saugdüse ausgefahren werden, die die Saugdüse insgesamt in einen größeren Abstand vom Boden bringen. Zur Umstellung zwischen der Teppichbodenstellung und der Hartbodenstellung ist bei den aus der Praxis bekannten Saugdüsen häufig ein Fußschalter vorgesehen.In addition, it is known from practice that suction nozzles for vacuum cleaners are switchable between two positions that in a carpet position a particular suitable for sucking carpets position of the suction nozzle is achieved and in a hard bottom position accordingly a particularly suitable for sucking hard floors Position. Typically, the distance of the suction mouth of the soil to be sucked in the carpet position is lower than in the hard ground position. A change between these two positions can e.g. be carried out by one or more bristle rows are extended from the bottom of the suction nozzle, which bring the suction nozzle in total at a greater distance from the ground. To switch between the carpet position and the hard ground position, a footswitch is often provided in the known from practice suction nozzles.
Problematisch bei den herkömmlichen Staubsaugern ist jedoch, dass die bekannten Saugdüsen nur mit relativ großem Aufwand auch ein verlässliches Absaugen von Grobgut in allen Situationen gewährleisten können. Trotz verschiedener Einstellungsmöglichkeiten der Saugdüse können nämlich häufig nur mit großem Aufwand derartige Einstellungen der Saugdüse erzielt werden, die in der jeweiligen Situation tatsächlich auch ein verlässliches Absaugen von Grobgut gewährleisten.However, a problem with conventional vacuum cleaners is that the known suction nozzles can only guarantee reliable extraction of coarse material in all situations with relatively great effort. In spite of different adjustment options of the suction nozzle, such adjustments of the suction nozzle can often be achieved only with great effort, which actually ensure a reliable extraction of coarse material in the respective situation.
Ausgehend von dieser Situation ist es die Aufgabe der Erfindung, einen derartigen Staubsauger anzugeben, der mit geringem Aufwand eine Anpassung seiner Saugdüse an eine jeweilige Situation ermöglicht, um auch ein verlässliches Absaugen von Grobgut zu gewährleisten.Based on this situation, it is the object of the invention to provide such a vacuum cleaner, which allows with little effort to adapt its suction nozzle to a particular situation in order to ensure a reliable extraction of coarse material.
Diese Aufgabe wird durch die Gegenstände der unabhängigen Ansprüche gelöst. Bevorzugte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.This object is solved by the subject matters of the independent claims. Preferred developments of the invention are described in the subclaims.
Erfindungsgemäß ist somit ein Staubsauger mit einer Saugdüse zum Aufsaugen von Schmutz und/oder Staub, insbesondere Grobgut und/oder Feinstaub, von einem Boden mittels einer Saugluftströmung und mit einem Handteil zum manuellen Bewegen der Saugdüse über den Boden vorgesehen, wobei die Saugdüse ein Gehäuse, einen innerhalb des Gehäuses gebildeten Saugraum mit einer bodenseitigen, einen Saugmund bildenden Öffnung, einen in den Saugraum mündenden Saugkanal zum Führen der Saugluftströmung und ein Stützelement aufweist, wobei das Stützelement mittels eines vorzugsweise elektrischen Aktuators relativ zur Unterseite der Saugdüse verfahrbar ist, um durch ein Ausfahren des Stützelements den Abstand des Saugmunds vom Boden wenigstens bereichsweise zu erhöhen und durch ein Einfahren des Stützelements den Abstand des Saugmunds vom Boden wenigstens bereichsweise zu verringern, dadurch gekennzeichnet, dass der Aktuator mittels eines am Handteil angeordneten manuell betätigbaren Schalters ansteuerbar ist.According to the invention, therefore, a vacuum cleaner with a suction nozzle for sucking dirt and / or dust, in particular coarse material and / or fine dust, from a soil by means of a Saugluftströmung and with a handpiece for manual Moving the suction nozzle provided over the bottom, wherein the suction nozzle comprises a housing, a suction chamber formed within the housing with a bottom, a suction mouth forming opening, opening into the suction chamber suction channel for guiding the Saugluftströmung and a support element, wherein the support element by means of a preferably electric actuator relative to the underside of the suction nozzle is movable to at least partially increase by extending the support member, the distance of the suction mouth from the ground and at least partially reduce the distance of the suction mouth from the ground by retracting the support member, characterized in that the actuator means a manually operated switch arranged on the handpiece can be activated.
Es ist somit ein wesentlicher Aspekt der Erfindung, dass der Abstand des Saugmunds vom Boden mittels eines derartigen Schalters steuerbar ist, der am Handteil des Staubsaugers angeordnet und damit von einem Verwender des Staubsaugers auf einfache Weise manuell betätigbar ist. Wird das Handteil vom Verwender gehalten, um die Saugdüse über den zu saugenden Boden zu bewegen, bedarf es aufgrund des am Handteil angeordneten Schalters zu dessen manueller Betätigung lediglich einer kleinen Bewegung eines Fingers des Verwenders, was die Höhenverstellung der Saugdüse bei dem erfindungsgemäßen Staubsauger besonders einfach macht. Im Übrigen sei darauf hingewiesen, dass die vorliegende Beschreibung des erfindungsgemäßen Staubsaugers sowie seiner bevorzugten Weiterbildung in der Art erfolgt, dass der Staubsauger in seiner Betriebsposition beschrieben wird, in der er mit seiner Saugdüse auf einem Boden aufsteht.It is thus an essential aspect of the invention that the distance of the suction mouth from the ground by means of such a switch is controllable, which is arranged on the handle of the vacuum cleaner and thus manually operated by a user of the vacuum cleaner in a simple manner. If the handpiece is held by the user in order to move the suction nozzle over the floor to be sucked, it requires only a small movement of a finger of the user due to the switch arranged on the handpiece for manual operation, which makes the height adjustment of the suction nozzle in the vacuum cleaner according to the invention particularly simple power. Incidentally, it should be noted that the present description of the vacuum cleaner according to the invention and its preferred development in the way that the vacuum cleaner is described in its operating position in which he stands up with his suction nozzle on a floor.
Gemäß einer bevorzugten Weiterbildung der Erfindung sind eine Arbeitsstellung des Stützelements für einen regulären Saugbetrieb und eine temporäre Grobgutstellung des Stützelements für ein gegenüber der Arbeitsstellung verbessertes Absaugen von Grobgut vorgesehen, wobei das Stützelement zur Einnahme der temporären Grobgutstellung gegenüber seiner Arbeitsstellung weiter ausgefahren ist, so dass in der temporären Grobgutstellung wenigstens bereichsweise ein größerer Abstand des Saugmunds vom Boden erzielt ist als in der Arbeitsstellung. Gemäß dieser bevorzugten Weiterbildung der Erfindung kann also die Saugdüse des Staubsaugers von einer Stellung, die grundsätzlich gut für das Saugen des jeweiligen Bodens geeignet ist, vorübergehend in eine andere Stellung versetzt werden, in der eine verbesserte Absaugung von Grobgut bereitgestellt wird. Dazu wird das Stützelement temporär weiter ausgefahren, so dass aufgrund des damit verbundenen größeren Abstands des Saugmunds vom Boden Grobgut besser unter die Saugdüse und damit unter den Saugmund gelangen kann, so dass es abgesaugt wird.According to a preferred embodiment of the invention, a working position of the support element for a regular suction operation and a temporary coarse material position of the support element for a relation to the working position improved suction of coarse material are provided, wherein the support element for taking the temporary coarse material position is further extended with respect to its working position, so that in the temporary Grobgutstellung at least partially a greater distance of the suction mouth is achieved from the ground than in the working position. According to this preferred embodiment of the invention, therefore, the suction nozzle of the vacuum cleaner from a position which is basically well suited for the suction of the respective soil, are temporarily placed in another position in which an improved extraction of coarse material is provided. For this purpose, the support member is temporarily extended further, so that due to the associated greater distance of the suction mouth from the ground coarse material can get under the suction nozzle and thus under the suction mouth, so that it is sucked off.
Dabei kann der Abstand des Saugmunds vom Boden in der temporären Grobgutstellung des Stützelements um einen vorbestimmten Absolutbetrag oder um einen vorbestimmten Relativbetrag größer sein als in der Arbeitsstellung des Stützelements. Das bedeutet also, dass vorgesehen sein kann, dass aufgrund des Ausfahrens des Stützelements in der temporären Grobguteinstellung der Saugmund in einem bestimmten Bereich z.B. 5 mm weiter entfernt vom Boden ist als in der Arbeitsstellung. Alternativ dazu kann jedoch vorgesehen sein, dass das Anheben der Saugdüse und damit das Entfernen des Saugmunds vom Boden in Abhängigkeit von dem in der Arbeitsstellung des Stützelements bestehenden Abstands des Saugmunds vom Boden erfolgt, nämlich z.B. die Saugdüse immer zusätzlich um einen vorgebbaren Wert, beispielsweise um 50 % des in der Arbeitsstellung des Stützelements bestehenden Abstands des Saugmunds vom Boden angehoben wird. Im Übrigen ist es ganz besonders bevorzugt, dass das Stützelement zur Einnahme der temporären Grobgutstellung von dem am Handteil angeordneten manuell betätigbaren Schalter ansteuerbar ist. Dies ermöglicht es einem Verwender des Staubsaugers nämlich, wie oben schon angesprochen, die Saugdüse mittels lediglich eines Fingers zu betätigen und sie in einen größeren Abstand zum Boden zu bringen, um die Grobgutabsaugung zu verbessern.In this case, the distance of the suction mouth from the bottom in the temporary coarse material position of the support element by a predetermined absolute amount or by a predetermined relative amount may be greater than in the working position of the support element. This means that it can be provided that due to the extension of the support element in the temporary coarse material setting the suction mouth in a certain range, e.g. 5 mm farther from the ground than in the working position. Alternatively, however, it can be provided that the lifting of the suction nozzle and thus the removal of the suction mouth from the ground in dependence on the existing in the working position of the support member distance of the suction mouth from the ground, namely. the suction nozzle is always raised in addition by a predetermined value, for example by 50% of the existing in the working position of the support member distance of the suction mouth from the ground. Incidentally, it is very particularly preferred that the support element for taking the temporary coarse material position can be actuated by the manually actuatable switch arranged on the handpiece. This allows a user of the vacuum cleaner namely, as already mentioned above, to operate the suction nozzle by means of a single finger and to bring it to a greater distance from the ground to improve the coarse material suction.
Die Ansteuerung des Aktuators für das Stützelement kann nun auf unterschiedliche Weisen ausgestaltet sein. Gemäß einer bevorzugten Weiterbildung der Erfindung ist der Aktuator mit dem Schalter über eine Steuereinrichtung verbunden und die Steuereinrichtung ist derart eingerichtet, dass bei einer manuellen Aktivierung des Schalters über eine vorbestimmte Aktivierungszeitdauer hinaus das Stützelement von seiner Arbeitsstellung in die temporäre Grobgutstellung gebracht wird, dort solange gehalten wird, wie die manuelle Aktivierung des Schalters anhält, und danach wieder in seine Arbeitsstellung zurückkehrt. Eine entsprechend eingerichtete Steuereinrichtung erlaubt es also dem Verwender des Staubsaugers, eine für eine verbesserte Grobgutabsaugung geeignete Stellung der Saugdüse temporär dadurch zu erreichen, dass er den Schalter aktiviert und solange aktiviert hält, wie die verbesserte Grobgutabsaugung aufrechterhalten werden soll.The activation of the actuator for the support element can now be configured in different ways. According to a preferred embodiment of the invention, the actuator is connected to the switch via a control device and the control device is set up such that upon manual activation of the Switch over a predetermined activation period addition, the support member is brought from its working position in the temporary coarse material position, held there as long as the manual activation of the switch stops, and then returns to its working position. A correspondingly configured control device thus allows the user of the vacuum cleaner to temporarily achieve a suitable position of the suction nozzle for improved coarse material extraction by activating the switch and keeping it activated as long as the improved coarse material suction is to be maintained.
Ganz besonders bevorzugt ist dazu der manuell betätigbare Schalter am Handteil ein Druckknopf oder ein Schiebeschalter. Ein Druckknopf bzw. ein Schiebeschalter ist nämlich derart ausgestaltbar, dass er ohne viel Mühe auch für eine gewisse Zeitdauer manuell aktiviert werden kann, nämlich für eine gewisse Zeitdauer gedrückt oder verschoben gehalten werden kann, um damit die temporäre Grobgutstellung des Stützelements zu erzielen. Dass mittels der Steuereinrichtung der Aktuator nur für die Zeitdauer des Aktivierens des Schalters derart angesteuert wird, dass das Stützelement von seiner Arbeitsstellung in die temporäre Grobgutstellung gebracht wird, hat im Übrigen auch den Vorteil, dass der Verwender nicht vergessen kann, nach der von ihm gewünschten verbesserten Grobgutabsaugung wieder in den regulären Betrieb zurückzuschalten. Sobald der Verwender nämlich den Schalter nicht mehr betätigt, erfolgt bei der vorliegenden Ausgestaltung automatisch eine Rückkehr des Stützelements in seine Arbeitsstellung.Very particularly preferred is the manually operable switch on the handset a push button or a slide switch. Namely, a push button or a slide switch can be configured such that it can be activated manually for a certain period of time without much effort, namely, pressed or displaced for a certain period of time in order to achieve the temporary coarse material position of the support element. That by means of the control device, the actuator is driven only for the duration of activation of the switch such that the support member is brought from its working position in the temporary coarse material, also has the advantage that the user can not forget after the desired by him improved Grobgutabsaugung back into normal operation. Namely, as soon as the user no longer actuates the switch, a return of the support element to its working position takes place automatically in the present embodiment.
Gemäß einer bevorzugten Weiterbildung der Erfindung sind zwei voneinander verschiedene Arbeitsstellungen des Stützelements vorgesehen, nämlich einerseits eine Teppichbodenstellung des Stützelements und andererseits eine Hartbodenstellung des Stützelements, wobei das Stützelement in der Hartbodenstellung weiter ausgefahren ist als in der Teppichbodenstellung, so dass in der Hartbodenstellung wenigstens bereichsweise ein größerer Abstand des Saugmunds vom Boden erzielt ist als in der Teppichbodenstellung, wobei der Aktuator von dem manuell betätigbaren Schalter am Handteil zur Umschaltung zwischen der Teppichbodenstellung und der Hartbodenstellung ansteuerbar ist. Es ist möglich, dass der Saugmund durch Betätigen des Schalters derart angehoben wird, dass in der Grobgutstellung der Abstand des Saugmundes vom Boden größer als der Abstand des Saugmunds vom Boden in der Hartbodenstellung ist. Diese bevorzugte Weiterbildung der Erfindung erlaubt es einem Verwender des Staubsaugers also, eine Umschaltung der Saugdüse zwischen verschiedenen Stellungen, die für unterschiedliche Arten von zu reinigenden Böden geeignet sind, ebenfalls mittels des manuell betätigbaren Schalters am Handteil des Staubsaugers durchzuführen.According to a preferred embodiment of the invention, two mutually different working positions of the support element are provided, namely on the one hand a carpet position of the support element and on the other hand, a hard bottom position of the support element, wherein the support element is further extended in the hard ground position than in the carpet position, so that in the hard ground position at least partially greater distance of the suction mouth is achieved from the ground than in the carpet position, wherein the actuator of the manually operable switch on the handset for switching can be controlled between the carpet position and the hard ground position. It is possible that the suction mouth is raised by operating the switch such that in the coarse material position, the distance of the suction mouth from the ground is greater than the distance of the suction mouth from the ground in the hard ground position. This preferred development of the invention thus allows a user of the vacuum cleaner, a switchover of the suction nozzle between different positions, which are suitable for different types of soils to be cleaned, also perform by means of the manually operable switch on the handle of the vacuum cleaner.
Um nun auf besonders einfache und verlässliche Weise dem Verwender die Möglichkeit zu bieten, mittels des manuellen Schalters einerseits eine Umschaltung zwischen der Teppichbodenstellung und der Hartbodenstellung und andererseits eine Umschaltung zwischen der jeweiligen Arbeitsstellung und der temporären Grobgutstellung zu ermöglichen, ist gemäß einer bevorzugten Weiterbildung der Erfindung der Aktuator mit dem Schalter über eine Steuereinrichtung verbunden, und zwar über die zuvor schon angesprochene Steuereinrichtung oder über eine davon verschiedene Steuereinrichtung, wobei die entsprechende Steuereinrichtung derart ausgestaltet ist, dass bei einer manuellen Aktivierung des Schalters, die eine vorbestimmte Umschaltzeitdauer unterschreitet, der Aktuator zur Umschaltung zwischen der Teppichbodenstellung und der Hartbodenstellung angesteuert wird. Mit anderen Worten kann auf diese Weise vorgesehen sein, dass z.B. durch ein kurzes Drücken des als Taster ausgestalteten manuell betätigbaren Schalters eine Umschaltung zwischen der Teppichbodenstellung und der Hartbodenstellung erzielt wird. Dabei meint eine Umschaltung zwischen diesen beiden Stellungen sowohl einen Wechsel von der Teppichbodenstellung in die Hartbodenstellung als auch umgekehrt.In order to provide the user with the possibility in a particularly simple and reliable way, by means of the manual switch on the one hand switching between the carpet position and the hard ground position and on the other hand to allow switching between the respective working position and the temporary Grobgutstellung, according to a preferred embodiment of the invention the actuator connected to the switch via a control device, via the previously mentioned control device or via a different control device, wherein the corresponding control device is configured such that upon manual activation of the switch, which falls below a predetermined switching time, the actuator for Switching between the carpet position and the hard bottom position is controlled. In other words, it can be provided in this way that e.g. a switchover between the carpet position and the hard bottom position is achieved by briefly pressing the manually operated switch designed as a button. In this case, a switch between these two positions means both a change from the carpet position to the hard ground position and vice versa.
In Kombination mit der weiter oben beschriebenen bevorzugten Weiterbildung der Erfindung, gemäß der eine Umschaltung zwischen der Arbeitsstellung des Stützelements und der temporären Grobgutstellung des Stützelements dadurch erzielt wird, dass der manuell betätigbare Schalter für eine gewisse Zeitdauer aktiviert wird und das Stützelement nur für die Zeitdauer dieser Aktivierung des Schalters in der temporären Grobgut-stellung verbleibt, ergibt sich die Möglichkeit, die Saugdüse hinsichtlich ihrer verschiedenen Stellungen und damit hinsichtlich ihrer Eignung für bestimmte Saugsituationen mit einem einzigen Schalter anzusteuern, und zwar in Abhängigkeit von der Art der Betätigung des Schalters. Insbesondere ist in diesem Zusammenhang vorzugsweise vorgesehen, dass nach der Beendigung der Aktivierung des Schalters, die veranlasst hat, dass das Stützelement in die temporäre Grobguteinstellung überführt wird, das Stützelement in diejenige Arbeitsstellung zurückkehrt, von der es zu Beginn der Aktivierung des Schalters in die temporäre Grobgutstellung gestartet ist. Ist also das Stützelement von der Teppichbodenstellung in die temporäre Grobgutstellung gebracht worden, so kehrt das Stützelement nach Aktivierung des Schalters gemäß dieser Weiterbildung der Erfindung auch wieder in die Teppichbodenstellung zurück. Entsprechendes gilt für die Hartboden-stellung des Stützelements.In combination with the above-described preferred development of the invention, according to which a switchover between the working position of the support member and the temporary coarse material position of the support element is achieved by activating the manually operable switch for a certain period of time and the support element only for the duration of this Activation of the switch in the remains temporary Grobgut-position, there is the possibility to control the suction nozzle with respect to their various positions and thus in terms of their suitability for certain Saugsituationen with a single switch, depending on the type of operation of the switch. In particular, it is preferably provided in this context that after the completion of the activation of the switch, which has caused the support member is transferred to the temporary Grobguteinstellung, the support member returns to the working position, from which it at the beginning of the activation of the switch in the temporary Grobgutstellung is started. Thus, if the support element has been brought from the carpet position in the temporary Grobgutstellung, so the support element returns after activation of the switch according to this embodiment of the invention also back into the carpet position. The same applies to the hard bottom position of the support element.
Für die Verwirklichung der zuletzt beschriebenen bevorzugten Weiterbildung der Erfindung ist vorzugsweise ein Positionssensor zur wenigstens mittelbaren Bestimmung der Stellung des Stützelements vorgesehen. Kann die Stellung des Stützelements nämlich aktiv bestimmt werden, so kann sichergestellt werden, dass das Stützelement nach seiner Überführung in die temporäre Grobgutstellung tatsächlich in diejenige Arbeitsstellung zurückkehrt, aus der es gekommen ist. Vorzugsweise ist dabei vorgesehen, dass der Aktuator mit dem Stützelement mittels einer Spindel verbunden ist, die Stellung des Stützelements eindeutig durch die Position der Spindel bestimmt ist und ein Positionssensor zur Erfassung der Position der Spindel verwendet wird. Dieser Positionssensor ist vorzugsweise zur Erfassung der Umdrehungen der Spindel ausgestaltet, und zwar ganz besonders bevorzugt als wenigstens ein Hall-Sensor, mit dem die Umdrehungen und damit die Position der Spindel detektierbar sind.For the realization of the last described preferred embodiment of the invention, a position sensor for at least indirect determination of the position of the support element is preferably provided. If the position of the support element can indeed be determined actively, then it can be ensured that the support element after its transfer to the temporary coarse material position actually returns to that working position from which it has come. Preferably, it is provided that the actuator is connected to the support member by means of a spindle, the position of the support member is uniquely determined by the position of the spindle and a position sensor is used to detect the position of the spindle. This position sensor is preferably designed for detecting the revolutions of the spindle, and very particularly preferably as at least one Hall sensor, with which the revolutions and thus the position of the spindle can be detected.
Um die Position der Spindel zu detektieren, können auch andere Varianten vorgesehen sein. So können mehrere Hall-Sensoren an dem Aktuator platziert sein. Weiterhin kann ein Schiebewiderstand vorgesehen sein, dessen Widerstandsänderung auch für die Erfassung der Position genutzt werden kann. Schließlich kann die Position auch mittels mechanischer Schalter ermittelt werden.In order to detect the position of the spindle, other variants may be provided. Thus, several Hall sensors can be placed on the actuator. Furthermore, a sliding resistance may be provided, whose Resistance change can also be used for the detection of the position. Finally, the position can also be determined by means of mechanical switches.
Gemäß einer bevorzugten Weiterbildung der Erfindung ist ferner eine solche Steuereinrichtung zur Steuerung des Stützelements vorgesehen, mit der der Positionssensor zur Übermittlung der erfassten Position der Spindel verbunden ist, wobei die Steuereinrichtung derart ausgebildet ist, dass die Ansteuerung des Stützelements in Abhängigkeit von der erfassten Position der Spindel erfolgt. Dies ermöglicht die schon angesprochene sichere Rückkehr des Stützelements in die Arbeitsstellung, von der aus die temporäre Grobgutstellung angefahren worden ist. Auch diese Steuereinrichtung kann eine der oben angesprochenen Steuereinrichtungen sein oder von diesen verschieden.According to a preferred embodiment of the invention, such a control device for controlling the support member is further provided, with which the position sensor for transmitting the detected position of the spindle is connected, wherein the control device is designed such that the activation of the support element in dependence on the detected position of the Spindle takes place. This allows the already mentioned safe return of the support element in the working position, from which the temporary coarse material position has been approached. This control device may also be one of the above-mentioned control devices or different from these.
Schließlich kann das Stützelement grundsätzlich als starres Element ausgestaltet sein, mit dem die Saugdüse gegenüber dem Boden abstützbar ist. Um ein Bewegen der Saugdüse in einem durch das Stützelement abgestützten Zustand zu erleichtern, kann das Stützelement eine Gleitfläche aufweisen. Gemäß einer bevorzugten Weiterbildung der Erfindung ist das Stützelement jedoch mit einer Rolle oder/und mit einer Walze versehen.Finally, the support element can basically be designed as a rigid element, with which the suction nozzle is supported against the ground. In order to facilitate moving the suction nozzle in a supported by the support member state, the support member may have a sliding surface. According to a preferred embodiment of the invention, however, the support element is provided with a roller and / or with a roller.
Erfindungsgemäß ist außerdem ein Verfahren zum Betreiben eines Staubsaugers mit einer Saugdüse zum Aufsaugen von Schmutz und/oder Staub, insbesondere Grobgut und/oder Feinstaub, von einem Boden mit einer Saugluftströmung und mit einem Handteil zum manuellen Bewegen der Saugdüse dem Boden vorgesehen, wobei die Saugdüse ein Gehäuse, einen innerhalb des Gehäuses gebildeten Saugraum mit einer bodenseitigen, einen Saugmund bildenden Öffnung, einen in den Saugraum mündenden Saugkanal zum Führen der Saugluftströmung und ein Stützelement aufweist, wobei das Stützelement mittels eines vorzugsweise elektrischen Aktuators relativ zur Unterseite der Saugdüse verfahren wird, um durch ein Ausfahren des Stützelements den Abstand des Saugmunds vom Boden wenigstens bereichsweise zu erhöhen und durch ein Einfahren des Stützelements den Abstand des Saugmunds vom Boden wenigstens bereichsweise zu verringern, dadurch gekennzeichnet, dass der Aktuator mittels eines am Handteil angeordneten ma-nuell betätigbaren Schalters angesteuert wird.According to the invention, a method for operating a vacuum cleaner with a suction nozzle for sucking dirt and / or dust, in particular coarse material and / or fine dust, provided by a bottom with a Saugluftströmung and with a handle for manually moving the suction nozzle to the bottom, wherein the suction nozzle a housing, a suction chamber formed within the housing with a bottom-side, a suction mouth forming opening into the suction chamber suction channel for guiding the Saugluftströmung and a support member, wherein the support member is moved by means of a preferably electric actuator relative to the underside of the suction nozzle to by extending the support member to increase the distance of the suction mouth from the ground at least partially and by retraction of the support member, the distance of the suction mouth from Floor at least partially reduce, characterized in that the actuator is controlled by means of a manually operated switch arranged on the hand part.
Zusätzliche bevorzugte Weiterbildungen des erfindungsgemäßen Verfahrens ergeben sich in Analogie zu den zuvor beschriebenen bevorzugten Weiterbildungen des erfindungsgemäßen Staubsaugers.Additional preferred developments of the method according to the invention result analogously to the previously described preferred developments of the vacuum cleaner according to the invention.
Nachfolgend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels der Erfindung unter Bezugnahme auf die Zeichnungen weiter im Detail erläutert.The invention will be explained in more detail below with reference to a preferred embodiment of the invention with reference to the drawings.
In den Zeichnungen zeigen
- Fig. 1
- einen Staubsauger gemäß einem bevorzugten Ausführungsbeispiel der Erfindung in einer perspektivischen Darstellung,
- Fig. 2
- die Saugdüse des in
Fig. 1 dargestellten Staubsaugers gemäß dem bevorzugten Ausführungsbeispiel der Erfindung in einer schematischen Darstellung, - Fig. 3
- ein Diagramm zur Veranschaulichung der Überführung des Stützelements der Saugdüse gemäß dem bevorzugten Ausführungsbeispiel der Erfindung von der Arbeitsstellung in die temporäre Grobgutstellung,
- Fig. 4
- ein Diagramm zur Veranschaulichung der Überführung des Stützelements der Saugdüse gemäß dem bevorzugten Ausführungsbeispiel der Erfindung von einer Hartbodenstellung in eine Teppichbodenstellung und
- Fig. 5
- schematisch den gemäß dem bevorzugten Ausführungsbeispiel der Erfindung vorgesehenen Steuerungsablauf.
- Fig. 1
- a vacuum cleaner according to a preferred embodiment of the invention in a perspective view,
- Fig. 2
- the suction nozzle of in
Fig. 1 illustrated vacuum cleaner according to the preferred embodiment of the invention in a schematic representation, - Fig. 3
- a diagram illustrating the transfer of the support member of the suction nozzle according to the preferred embodiment of the invention from the working position to the temporary coarse material position,
- Fig. 4
- a diagram illustrating the transfer of the support member of the suction nozzle according to the preferred embodiment of the invention from a hard ground position in a carpet position and
- Fig. 5
- schematically the intended according to the preferred embodiment of the invention control sequence.
Aus
Weiterhin ist aus
In diesem Zusammenhang sei darauf hingewiesen, dass die vorliegen beschriebene Bauform des Staubsaugers 1 für die Erfindung natürlich nicht beschränkend ist. Insbesondere liegen nämlich auch derartige, vorliegend nicht im Einzelnen beschriebene Staubsauger im Rahmen der Erfindung, bei denen das Grundgehäuse nicht direkt am Handhabungsrohr angeordnet ist, sondern z.B. mittels eines Schlauchs mit dem an seinen Enden die Saugdüse bzw. das Handteil aufweisenden Handhabungsrohr verbunden ist.In this context, it should be noted that the presently described design of the vacuum cleaner 1 for the invention is of course not restrictive. In particular, such vacuum cleaners, not described in detail herein, are also within the scope of the invention, in which the base housing is not arranged directly on the handling tube, but instead, for example. is connected by means of a hose with the handling tube at its ends the suction nozzle or the handpiece.
Im hinteren Bereich der Saugdüse 4 sind in den seitlichen Bereichen des Gehäuses 4 zwei Laufrollen 10 vorgesehen, von denen in
Wesentlich ist nun, dass die Saugdüse 4 mit einem Stützelement 12 in Form einer Stützrolle versehen ist, die mittels eines elektrischen Aktuators 13 verfahrbar ist. Und zwar ist das Stützelement 12 relativ zur Unterseite 7 der Saugdüse 4 derart verfahrbar, dass bei einem Ausfahren des Stützelements 12 der Abstand des Saugmunds 21 vom Boden 5 vergrößert werden kann und durch ein Einfahren des Stützelements 12 der Abstand des Saugmunds 21 vom Boden 5 verringerbar ist. Das Ausfahren bzw. Einfahren des Stützelements 12 mittels des Aktuators 13 erfolgt mit Hilfe einer Spindel 14, mit der das Stützelement 12 mit dem Aktuator 13 verbunden ist.It is essential that the
In den
Die Steuerung durch den Verwender erfolgt über den manuell betätigbaren Schalter 18 am Handteil 17 des Staubsaugers 1, und zwar derart, dass der Verwender zum Zeitpunkt t1 den vorliegend als Taster ausgestalteten Schalter 18 drückt und ihn bis zum Zeitpunkt t2 gedrückt hält. Das Drücken des Schalters 18 zum Zeitpunkt t1 führt zum Ausfahren des Stützelements 12, um den Abstand a des Saugmunds 21 vom Boden 5 auf den Wert a = G zu vergrößern, wobei dieser Abstand a = G solange gehalten wird, wie auch der Verwender den Schalter 18 aktiviert hält. Nach Beendigung des Drückens des Schalters 18 zum Zeitpunkt t2 wird das Stützelement 12 wieder eingefahren, und zwar so weit, dass der Abstand zwischen Saugmund 21 und Boden 5 wieder a = A beträgt, also dem für die Arbeitsstellung vorgesehenen Abstand entspricht.The control by the user via the manually
Alternativ kann der Verwender die Saugdüse 4 mittels des am Handteil 17 vorgesehenen Schalters auch steuern, wie in
Ob ein Wechsel von der Teppichbodenstellung in die Hartbodenstellung gewünscht ist oder umgekehrt, kann die Steuereinrichtung 19 dabei nicht aufgrund des Drückens des Schalters 18 durch den Verwender erfassen. Unabhängig davon nämlich, in welche Richtung die Umschaltung zwischen der Teppichbodenstellung und der Hartbodenstellung erfolgen soll, muss der Verwender den Schalter 18 nämlich immer nur einmal kurz drücken. Allerdings ist der Steuereinrichtung 19 aufgrund des vom Positionssensor 20 übermittelten Signals die Position der Spindel 14 bekannt, so dass die Steuereinrichtung 19 mittels dieses Signals auch feststellen kann, wo sich das Stützelement 12 befindet, insbesondere nämlich, ob es sich in seiner Teppichbodenstellung befindet und in die Hartbodenstellung überführt werden muss oder umgekehrt. Da im vorliegenden Beispiel der Steuerung aufgrund des Positionssignals für die Spindel 14 bekannt ist, dass sich das Stützelement 12 in der Zeit vor t3 in der Hartbodenstellung befunden hat, wird das Stützelement 12 auf das kurze Drücken des Schalters 18 durch den Verwender hin so weit eingefahren, dass der Abstand a des Saugmunds 21 vom Boden 5 auf den Wert a = T verringert wird, was dem vorbestimmten Abstand für die Teppichbodenstellung entspricht.Whether a change from the carpet position to the hard ground position is desired or vice versa, the
- Staubsaugervacuum cleaner
- 11
- Handhabungsrohrhandling pipe
- 22
- GrundgehäuseHeaders
- 33
- Saugdüsesuction nozzle
- 44
- Bodenground
- 55
- Gehäusecasing
- 66
- Unterseitebottom
- 77
- Saugraumsuction
- 88th
- Saugkanalsuction
- 99
- Laufrollecaster
- 1010
- Achseaxis
- 1111
- Stützelementsupport element
- 1212
- Aktuatoractuator
- 1313
- Spindelspindle
- 1414
- Dichtlippesealing lip
- 1515
- Borstenreihebristle row
- 1616
- Handteilhandpiece
- 1717
- Schalterswitch
- 1818
- Steuereinrichtungcontrol device
- 1919
- Positionssensorposition sensor
- 2020
- Saugmundsaugmund
- 2121
- VorhubrichtungVorhubrichtung
- rr
Claims (9)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015109975.6A DE102015109975A1 (en) | 2015-06-22 | 2015-06-22 | Vacuum cleaner and method for operating a vacuum cleaner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3108785A1 true EP3108785A1 (en) | 2016-12-28 |
EP3108785B1 EP3108785B1 (en) | 2019-05-15 |
Family
ID=56131418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16174403.2A Active EP3108785B1 (en) | 2015-06-22 | 2016-06-14 | Vacuum cleaner and method for operating same |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3108785B1 (en) |
JP (1) | JP2017035459A (en) |
CN (1) | CN106388702B (en) |
DE (1) | DE102015109975A1 (en) |
ES (1) | ES2732736T3 (en) |
TW (1) | TWI698212B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108113575A (en) * | 2018-02-08 | 2018-06-05 | 江苏美的清洁电器股份有限公司 | The Suction head component and dust catcher of dust catcher |
KR102033935B1 (en) * | 2018-02-20 | 2019-10-18 | 엘지전자 주식회사 | A cleaner |
CN111012247A (en) * | 2018-10-10 | 2020-04-17 | 惠州市蓝微电子有限公司 | Energy-saving control system and method for dust collector |
DE102019102849B4 (en) * | 2019-02-05 | 2023-09-14 | Vorwerk & Co. Interholding Gmbh | Suction nozzle for a vacuum cleaner, preferably as an attachment |
Citations (4)
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US4706327A (en) * | 1986-05-30 | 1987-11-17 | Whirlpool Corporation | Automatic vacuum nozzle height adjustment system for vacuum cleaner |
DE102004014252A1 (en) * | 2003-12-06 | 2005-06-30 | Vorwerk & Co. Interholding Gmbh | Vacuum cleaner operating method, involves measuring force acting as load and occurring during pull/push operation, where force is felt by user as resistance to operation, and automatically applying counterforce against resistance |
US20060130270A1 (en) * | 2003-12-23 | 2006-06-22 | Tondra Aaron P | Suction nozzle height adjustment and control arrangement |
EP2098150B1 (en) | 2008-03-06 | 2014-02-19 | Wessel-Werk GmbH | Nozzle for floor vacuum cleaner |
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DE2106868B2 (en) * | 1971-02-13 | 1974-12-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for changing the speed of a motor fan |
DE4411526A1 (en) * | 1994-04-02 | 1995-10-05 | Fedag Romanshorn Fa | Suction cleaning device |
AU2002341358A1 (en) * | 2001-09-26 | 2003-04-07 | Friendly Robotics Ltd. | Robotic vacuum cleaner |
WO2006015309A2 (en) * | 2004-07-29 | 2006-02-09 | Electrolux Care Products, Ltd | Upright vacuum cleaner |
KR20060018712A (en) * | 2004-08-25 | 2006-03-02 | 엘지전자 주식회사 | A suction nozzle for vacuum cleaner |
CN101366613B (en) * | 2007-08-16 | 2011-09-28 | 苏州金莱克家用电器有限公司 | Liftable floor brush of dust aspirator |
CN100563541C (en) * | 2007-09-24 | 2009-12-02 | 苏州金莱克家用电器有限公司 | Height regulator of vacuum cleaner floor brush |
GB2485666B (en) * | 2010-11-18 | 2014-10-29 | Bissell Homecare Inc | Vacuum cleaner with agitator height control mechanism |
CN104068791B (en) * | 2013-03-26 | 2017-08-04 | 科沃斯机器人股份有限公司 | Floor brush of dust collector and its dust catcher |
US9962051B2 (en) * | 2013-09-04 | 2018-05-08 | Bissell Homecare, Inc. | Vacuum cleaner |
-
2015
- 2015-06-22 DE DE102015109975.6A patent/DE102015109975A1/en not_active Ceased
-
2016
- 2016-06-14 ES ES16174403T patent/ES2732736T3/en active Active
- 2016-06-14 EP EP16174403.2A patent/EP3108785B1/en active Active
- 2016-06-14 TW TW105118574A patent/TWI698212B/en not_active IP Right Cessation
- 2016-06-21 JP JP2016122883A patent/JP2017035459A/en active Pending
- 2016-06-21 CN CN201610453053.8A patent/CN106388702B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4706327A (en) * | 1986-05-30 | 1987-11-17 | Whirlpool Corporation | Automatic vacuum nozzle height adjustment system for vacuum cleaner |
DE102004014252A1 (en) * | 2003-12-06 | 2005-06-30 | Vorwerk & Co. Interholding Gmbh | Vacuum cleaner operating method, involves measuring force acting as load and occurring during pull/push operation, where force is felt by user as resistance to operation, and automatically applying counterforce against resistance |
US20060130270A1 (en) * | 2003-12-23 | 2006-06-22 | Tondra Aaron P | Suction nozzle height adjustment and control arrangement |
EP2098150B1 (en) | 2008-03-06 | 2014-02-19 | Wessel-Werk GmbH | Nozzle for floor vacuum cleaner |
Also Published As
Publication number | Publication date |
---|---|
TWI698212B (en) | 2020-07-11 |
TW201707627A (en) | 2017-03-01 |
ES2732736T3 (en) | 2019-11-25 |
JP2017035459A (en) | 2017-02-16 |
DE102015109975A1 (en) | 2016-12-22 |
CN106388702A (en) | 2017-02-15 |
EP3108785B1 (en) | 2019-05-15 |
CN106388702B (en) | 2021-07-20 |
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