EP3296448A1 - Method for operating a washing machine and washing machine - Google Patents
Method for operating a washing machine and washing machine Download PDFInfo
- Publication number
- EP3296448A1 EP3296448A1 EP17186138.8A EP17186138A EP3296448A1 EP 3296448 A1 EP3296448 A1 EP 3296448A1 EP 17186138 A EP17186138 A EP 17186138A EP 3296448 A1 EP3296448 A1 EP 3296448A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tub
- region
- speed
- circulating pump
- washing machine
- 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
Links
- 238000005406 washing Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003599 detergent Substances 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000007844 bleaching agent Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 239000013543 active substance Substances 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
Definitions
- the invention relates to a method for operating a washing machine and a washing machine with a tub for receiving washing liquid, a rotatably mounted in the tub drum for receiving laundry and a Umflutpumpe having Umflut recognized for conveying the washing liquid from a first region of the tub in a second Area of the tub, wherein one or more detergent from one or more metering devices can be fed into the Umflut worn in a respective predetermined dosage.
- a method or such a washing machine is in the DE102014105711A1 described.
- multi-component detergent in which several components only immediately before or during the introduction of the detergent into the tub for washing laundry be mixed. It has been shown that it is advantageous to mix various components of a multi-component detergent only immediately before the use of the detergent, so as to increase a yield of active substances such as bleach.
- the washing machine For mixing various detergent components in concentrated form, it is desirable for the washing machine to have a mixing device. It is conceivable, for example, a mixing section or a mixing chamber for the plurality of detergent components. But extra components are needed and the costs are increased. There is therefore a need for a method and a washing machine that are suitable for mixing concentrated detergent components.
- the invention thus presents the problem of providing a method for operating a washing machine and a washing machine, in which a plurality of detergent components in the washing machine are miscible.
- the invention relates to a method for operating a washing machine with a tub for receiving washing liquid and a Umflutpumpe having Umflut recognized for conveying the washing liquid from a first region of the tub in a second region of the tub, wherein at least two detergent components of one or more Dosing devices are fed into the circulating pump in a respective predetermined dosage, and wherein the circulating pump is operated at and / or after feeding the at least two detergent components at a speed below a conveying speed at which the washing liquid from the first region of the tub in the second region of the tub is conveyed, and in which the circulating pump is then operated at a speed equal to or above the delivery speed.
- a mixing operation is effected, and by means of operating the circulating pump at a speed equal to or above the delivery speed, a purge process is obtained.
- the mixing chamber can be rinsed during the Umflutvorgangs and the detergent solution safely introduced into the laundry.
- the detergent components are metered into the circulating pump and the circulating pump is operated at a speed below the conveying speed, the detergent components are mixed and then the component mixture thus produced by operating the circulating pump at a speed equal to or above the Conveying speed possibly promoted together with in the tub washing liquid located in the laundry. In this way, on the one hand concentrated detergent components can be mixed.
- the resulting concentrated mixture can be introduced into the laundry and advantageously diluted with washing liquid such as water in the tub to form an application solution which is introduced into the laundry.
- washing liquid such as water in the tub
- the washing machine has a water inlet, which is designed to feed water into the tub when activated.
- the Umflut Road is not directly dependent on the water inlet of the washing machine and not directly connected to this but only indirectly connected via the tub, so that a feed of the detergent components without starting the water inlet is possible.
- the water feed is activated in time prior to the feeding of the detergent components, so that washing liquid is filled in the form of water in the tub.
- washing liquid is filled in the form of water in the tub.
- located in the drum laundry is moistened.
- This embodiment allows the mixing of concentrated detergent components to increase the yield of active substances such as e.g. Bleaching agent and subsequent dilution to produce an application solution or wash liquor and introducing the application solution into the laundry, since when operating the circulating pump at a speed equal to or greater than the conveying speed located in the tub washing liquid with the operating at the Umflutpumpe at a speed below the Conveying speed generated detergent-component mixture is mixed. Dilution can prevent the laundry from being exposed to a high detergent concentration.
- washing liquid in the form of water is conveyed from the first region of the tub into the second region of the tub by the circulating means in the tub.
- the conveying is preferably stopped when the feed of the at least two detergent components into the circulating pump is started. It can thereby be achieved that the circulating pump contains as little washing liquid in the form of water as possible during the feeding of the detergent components. So on the one hand concentrated detergent components can be mixed.
- the resulting concentrated detergent-component mixture can be subsequently diluted to produce an application solution which is introduced into the laundry.
- the detergent components are fed into a suction region of the circulating pump.
- the circulating pump is activated in this embodiment of the method and is operated at a speed below the delivery speed.
- the circulating pump is operated at a speed equal to or above the conveying speed and conveys the detergent component mixture in the second region of the tub.
- the Detergent component mixture is preferably sprayed directly onto the laundry, so that a short way to the active site of the detergent component mixture is possible.
- the circulating pump is operated at a speed below the conveying speed for a predetermined mixing time.
- the predetermined mixing time is preferably chosen so as to allow a complete mixing of the detergent components.
- the circulating pump is then operated at a speed equal to or above the delivery speed for a predetermined purge time
- the detergent-component mixture obtained by mixing in the circulating pump can be further diluted with additional washing liquid.
- the at least two detergent components are selected such that when combined they produce an active substance more preferably a bleaching agent.
- the active substance or the bleaching agent can be generated in situ.
- a bleaching agent since bleaches present in liquids are often less storage-stable.
- a simple and safe handling of a laundry detergent with bleaching action without endangering the user is given because the bleach is generated in situ in the washing machine.
- at least two, preferably two, or more preferably three, detergent components are used which are capable of forming a bleach by reaction.
- the plurality of detergent components are simultaneously fed into the refill pump.
- the detergent components are fed into the circulation pump with a time delay.
- a detergent component it is possible for a detergent component to be introduced into the circulating pump and for one or more further detergent component (s) to be added to it.
- the circulating pump is operated during the feeding of a further detergent component at the speed below the conveying speed.
- the steps to feed the detergent components, operate, the circulating pump at and / or after feeding the at least two detergent components at a speed below a conveying speed, optionally spinning the laundry, then operating the circulating pump at a speed be repeated one or more times equal to or above the conveying speed, so that the Detergent components of the circulating pump or their mixture are supplied in portions to the tub.
- the invention further relates to a washing machine with a tub for receiving washing liquid, a rotatably mounted in the tub drum for receiving laundry, a Umflut driving for conveying the washing liquid from a first region of the tub in a second region of the tub and a control or regulating device for controlling or regulating individual phases of washing programs, the circulatory device comprising a circulating pump comprising a connection element for connection to the first region of the tub and a bypass discharge connection for connection to the second region of the tub and one or more bypass inlet connections for connection to one or more metering devices for detergent components and wherein the circulating pump at a speed below a conveying speed at which the washing liquid from the first region of the tub in the second region of the Lau gene container is conveyed, and at a further speed equal to or above the conveying speed is operable.
- the controller controls an activity of the bypass pump.
- the control or regulating device is designed to control or regulate their speed when activating the circulating pump, so that the speed is demand-dependent below the delivery speed or equal to or higher than the delivery speed. That is, the controller is preferably configured to control or regulate the bypass pump so as to function as a mixing chamber or conveyor for conveying wash liquid from the first portion of the tub to the second portion of the tub, as needed.
- the controller is arranged to control operation of the bypass pump in a method according to one or more of the embodiments described above.
- the circulating pump has two, three or four bypass intake ports for connection to the one or more metering devices for the detergent components.
- the washing machine is designed so that two, three or four detergent components can be fed into the circulating pump simultaneously and / or sequentially.
- the Umflut signed further comprises a Umflutrohr which connects the Umflutpumpe via its connecting element with the first region of the tub, and a Umfluttechnisch which is connected to the Umflutpumpe via their Umflut-pressure port and is designed, the Umflut driving leaving scrubbing liquid in the second region of the To bring in tubs.
- the Umfluttechnisch preferably has for better distribution the washing liquid in the second region of the tub, preferably a circulating nozzle, through which the washing liquid is sprayed into the tub.
- the first area of the tub is preferably the lower area of the tub, and the second area of the tub is preferably the upper area of the tub, based on the operating position of the washing machine.
- the detergent-component mixture is therefore preferably applied from above onto the laundry located in the drum.
- Each metering device preferably has an automatic metering unit.
- the metering device is connected to the washing machine via at least one metering line.
- Each detergent component is fed by the at least one metering line from the metering unit into the circulating device in a predetermined dosage.
- the dosage can be adjusted manually at the metering device or controlled by selecting a washing program on the washing machine.
- the metering device is formed separately from the washing machine.
- At least one metering line is mounted on the metering device and in each case on the at least one Umflut-intake manifold. As a result, the supply of the detergent components can take place directly in front of the circulating pump in its suction area.
- the metering line connects the metering device directly to the circulating device.
- the metering device may have a plurality of chambers for receiving a respective detergent component. Alternatively or additionally, a separate metering device can be provided for each detergent component.
- the washing machine may be a household appliance or a commercially used appliance.
- the term "washing machine” also includes combination appliances such as a washer-dryer.
- the detergent components are preferably liquid components.
- a detergent component may have one or more ingredients.
- One component may be inert or reactive to other constituents of another detergent component.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zum Betreiben einer Waschmaschine, sowie eine entsprechende Waschmaschine, mit einem Laugenbehälter zur Aufnahme von Waschflüssigkeit und einer eine Umflutpumpe aufweisenden Umfluteinrichtung zum Fördern der Waschflüssigkeit aus einem ersten Bereich des Laugenbehälters in einen zweiten Bereich des Laugenbehälters, bei dem mindestens zwei Waschmittel-Komponenten aus einer oder mehreren Dosiereinrichtungen in die Umflutpumpe in einer jeweils vorbestimmten Dosierung eingespeist werden, und bei dem die Umflutpumpe bei und/oder nach dem Einspeisen der mindestens zwei Waschmittel-Komponenten bei einer Drehzahl unterhalb einer Förderdrehzahl betrieben wird, bei der die Waschflüssigkeit aus dem ersten Bereich des Laugenbehälters in den zweiten Bereich des Laugenbehälters gefördert wird, und anschließend bei einer Drehzahl gleich zu oder oberhalb der Förderdrehzahl betrieben wird.The invention relates to a method for operating a washing machine, and a corresponding washing machine, with a tub for receiving washing liquid and a Umflutpumpe having Umfluteinrichtung for conveying the washing liquid from a first region of the tub in a second region of the tub, wherein the at least two detergents -Components are fed from one or more metering devices in the circulating pump in a respective predetermined dosage, and in which the circulating pump is operated at and / or after feeding the at least two detergent components at a speed below a conveying speed at which the washing liquid from the first portion of the tub in the second region of the tub is conveyed, and then operated at a speed equal to or above the conveying speed.
Description
Die Erfindung betrifft ein Verfahren zum Betreiben einer Waschmaschine und eine Waschmaschine mit einem Laugenbehälter zur Aufnahme von Waschflüssigkeit, einer drehbar in dem Laugenbehälter gelagerten Trommel zur Aufnahme von Wäsche und einer eine Umflutpumpe aufweisenden Umfluteinrichtung zum Fördern der Waschflüssigkeit aus einem ersten Bereich des Laugenbehälters in einen zweiten Bereich des Laugenbehälters, wobei ein oder mehrere Waschmittel aus einer oder mehreren Dosiereinrichtungen in die Umfluteinrichtung in einer jeweils vorbestimmten Dosierung eingespeist werden können. Ein solches Verfahren bzw. eine solche Waschmaschine ist in der
Neben Einkomponenten-Waschmitteln, die als eine Komponente bzw. unverändert in den Laugenbehälter der Waschmaschine zum Waschen von Wäsche eingespeist werden, gibt es Mehrkomponenten-Waschmittel, bei denen mehreren Komponenten erst unmittelbar vor oder bei dem Einführen des Waschmittels in den Laugenbehälter zum Waschen von Wäsche gemischt werden. Es hat sich gezeigt, dass es vorteilhaft ist, verschiedene Komponenten eines Mehrkomponenten-Waschmittels erst unmittelbar vor dem Einsatz des Waschmittels zu mischen, um so eine Ausbeute an Aktivsubstanzen wie beispielsweise Bleichmittel zu erhöhen. Für ein Mischen von verschiedenen Waschmittel-Komponenten in konzentrierter Form ist es wünschenswert, dass die Waschmaschine eine Mischvorrichtung aufweist. Denkbar ist beispielsweise eine Mischstrecke oder eine Mischkammer für die mehreren Waschmittel-Komponenten. Dafür sind aber extra Bauteile nötig, und die Kosten werden erhöht. Es besteht daher ein Bedarf an einem Verfahren und einer Waschmaschine, die geeignet sind, konzentrierte Waschmittel-Komponenten zu mischen.In addition to one-component detergents, which are fed as a component or unchanged into the tub of the washing machine for washing laundry, there are multi-component detergent, in which several components only immediately before or during the introduction of the detergent into the tub for washing laundry be mixed. It has been shown that it is advantageous to mix various components of a multi-component detergent only immediately before the use of the detergent, so as to increase a yield of active substances such as bleach. For mixing various detergent components in concentrated form, it is desirable for the washing machine to have a mixing device. It is conceivable, for example, a mixing section or a mixing chamber for the plurality of detergent components. But extra components are needed and the costs are increased. There is therefore a need for a method and a washing machine that are suitable for mixing concentrated detergent components.
Der Erfindung stellt sich somit das Problem ein Verfahren zum Betreiben einer Waschmaschine und eine Waschmaschine bereitzustellen, bei denen mehrere Waschmittel-Komponenten in der Waschmaschine mischbar sind.The invention thus presents the problem of providing a method for operating a washing machine and a washing machine, in which a plurality of detergent components in the washing machine are miscible.
Erfindungsgemäß wird dieses Problem durch ein Verfahren mit den Merkmalen des Patentanspruchs 1 und eine Waschmaschine mit den Merkmalen des Patentanspruchs 5 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention, this problem is solved by a method having the features of patent claim 1 and a washing machine having the features of patent claim 5. Advantageous embodiments and further developments of the invention will become apparent from the following subclaims.
Die mit der Erfindung erreichbaren Vorteile bestehen neben der Nutzung vorhandener Bauteile zur Herstellung des Waschmittels in situ in der Waschmaschine bzw. zum Mischen von Waschmittel-Komponenten darin, dass diese Lösung verfahrenstechnisch flexibel einsetzbar ist und an unterschiedlichen Waschmaschinen bzw. Waschmaschinenbauarten angepasst werden kann. Zudem sind keine weiteren wesentlichen raumbeanspruchenden Bauteile für die Waschmaschine als Mischkammer notwendig. Daher ist die Lösung kostengünstig.The achievable with the invention advantages are in addition to the use of existing components for the preparation of the detergent in situ in the washing machine or for mixing detergent components therein that this solution procedurally flexible can be used and adapted to different washing machines or washing machine types. In addition, no other essential space-consuming components for the washing machine as a mixing chamber are necessary. Therefore, the solution is inexpensive.
Die Erfindung betrifft ein Verfahren zum Betreiben einer Waschmaschine mit einem Laugenbehälter zur Aufnahme von Waschflüssigkeit und einer eine Umflutpumpe aufweisenden Umfluteinrichtung zum Fördern der Waschflüssigkeit aus einem ersten Bereich des Laugenbehälters in einen zweiten Bereich des Laugenbehälters, bei dem mindestens zwei Waschmittel-Komponenten aus einer oder mehreren Dosiereinrichtungen in die Umflutpumpe in einer jeweils vorbestimmten Dosierung eingespeist werden, und bei dem die Umflutpumpe bei und/oder nach dem Einspeisen der mindestens zwei Waschmittel-Komponenten bei einer Drehzahl unterhalb einer Förderdrehzahl betrieben wird, bei der die Waschflüssigkeit aus dem ersten Bereich des Laugenbehälters in den zweiten Bereich des Laugenbehälters gefördert wird, und bei dem die Umflutpumpe anschließend bei einer Drehzahl gleich zu oder oberhalb der Förderdrehzahl betrieben wird. Mittels Betreiben der Umflutpumpe bei und/oder nach dem Einspeisen der mindestens zwei Waschmittel-Komponenten bei einer Drehzahl unterhalb einer Förderdrehzahl wird ein Mischvorgang bewirkt, und mittels Betreiben der Umflutpumpe bei einer Drehzahl gleich zu oder oberhalb der Förderdrehzahl wird ein Umflutvorgang erwirkt. Durch die Nutzung der Umflutpumpe als Mischkammer kann die Mischkammer während des Umflutvorgangs gespült und die Waschmittellösung sicher in die Wäsche eingebracht werden.The invention relates to a method for operating a washing machine with a tub for receiving washing liquid and a Umflutpumpe having Umfluteinrichtung for conveying the washing liquid from a first region of the tub in a second region of the tub, wherein at least two detergent components of one or more Dosing devices are fed into the circulating pump in a respective predetermined dosage, and wherein the circulating pump is operated at and / or after feeding the at least two detergent components at a speed below a conveying speed at which the washing liquid from the first region of the tub in the second region of the tub is conveyed, and in which the circulating pump is then operated at a speed equal to or above the delivery speed. By operating the circulating pump at and / or after feeding the at least two detergent components at a speed below a delivery speed, a mixing operation is effected, and by means of operating the circulating pump at a speed equal to or above the delivery speed, a purge process is obtained. By using the Umflutpumpe as a mixing chamber, the mixing chamber can be rinsed during the Umflutvorgangs and the detergent solution safely introduced into the laundry.
Dadurch, dass die Waschmittel-Komponenten in die Umflutpumpe dosiert werden und die Umflutpumpe bei einer Drehzahl unterhalb der Förderdrehzahl betrieben wird, werden die Waschmittel-Komponenten gemischt und anschließend wird das so erzeugte Komponenten-Gemisch durch Betreiben der Umflutpumpe bei einer Drehzahl gleich oder oberhalb der Förderdrehzahl ggf. zusammen mit sich in dem Laugenbehälter befindender Waschflüssigkeit in die Wäsche gefördert. Auf diese Weise können einerseits konzentrierte Waschmittel-Komponenten gemischt werden.Characterized in that the detergent components are metered into the circulating pump and the circulating pump is operated at a speed below the conveying speed, the detergent components are mixed and then the component mixture thus produced by operating the circulating pump at a speed equal to or above the Conveying speed possibly promoted together with in the tub washing liquid located in the laundry. In this way, on the one hand concentrated detergent components can be mixed.
Andererseits kann das erhaltene konzentrierte Gemisch durch Betreiben der Umflutpumpe bei einer Drehzahl gleich oder oberhalb der Förderdrehzahl in die Wäsche eingebracht werden und vorteilhaft mit sich in dem Laugenbehälter befindender Waschflüssigkeit wie beispielsweise Wasser verdünnt und so eine Anwendungslösung erzeugt werden, die in die Wäsche eingebracht wird. Die Anbindung der Dosierstelle an die Umflutpumpe hat den weiteren Vorteil, dass die Dosierstelle an ein nicht schwingendes Bauteil angebunden ist und eine feste diffusionsdichte Verrohrung möglich ist.On the other hand, by operating the circulating pump at a speed equal to or above the conveying speed, the resulting concentrated mixture can be introduced into the laundry and advantageously diluted with washing liquid such as water in the tub to form an application solution which is introduced into the laundry. The connection of the metering point to the circulating pump has the further advantage that the metering point is connected to a non-oscillating component and a solid diffusion-tight piping is possible.
Vorzugsweise weist die Waschmaschine einen Wasserzulauf auf, der ausgelegt ist, bei Aktivierung Wasser in den Laugenbehälter einzuspeisen. Die Umfluteinrichtung ist von dem Wasserzulauf der Waschmaschine nicht direkt abhängig und mit diesem nicht direkt verbunden sondern nur indirekt über den Laugenbehälter verbunden, so dass eine Einspeisung der Waschmittel-Komponenten ohne Starten des Wasserzulaufs möglich ist.Preferably, the washing machine has a water inlet, which is designed to feed water into the tub when activated. The Umfluteinrichtung is not directly dependent on the water inlet of the washing machine and not directly connected to this but only indirectly connected via the tub, so that a feed of the detergent components without starting the water inlet is possible.
Vorzugsweise wird zeitlich vor dem Einspeisen der Waschmittel-Komponenten der Wasserzulauf aktiviert, sodass Waschflüssigkeit in Form von Wasser in den Laugenbehälter gefüllt wird. Dadurch wird sich in der Trommel befindliche Wäsche durchfeuchtet. Diese Ausführungsform ermöglicht das Mischen von konzentrierten Waschmittel-Komponenten zur Erhöhung der Ausbeute von Aktivsubstanzen wie z.B. Bleichmittel und anschließendem Verdünnen zur Erzeugung einer Anwendungslösung bzw. Waschflotte und Einbringen der Anwendungslösung in die Wäsche, da bei Betreiben der Umflutpumpe bei einer Drehzahl gleich oder größer der Förderdrehzahl die sich in dem Laugenbehälter befindende Waschflüssigkeit mit dem bei Betreiben der Umflutpumpe bei einer Drehzahl unterhalb der Förderdrehzahl erzeugten Waschmittel-Komponenten-Gemisch gemischt wird. Durch das Verdünnen kann verhindert werden, dass die Wäsche einer hohen WaschmittelKonzentration ausgesetzt wird.Preferably, the water feed is activated in time prior to the feeding of the detergent components, so that washing liquid is filled in the form of water in the tub. As a result, located in the drum laundry is moistened. This embodiment allows the mixing of concentrated detergent components to increase the yield of active substances such as e.g. Bleaching agent and subsequent dilution to produce an application solution or wash liquor and introducing the application solution into the laundry, since when operating the circulating pump at a speed equal to or greater than the conveying speed located in the tub washing liquid with the operating at the Umflutpumpe at a speed below the Conveying speed generated detergent-component mixture is mixed. Dilution can prevent the laundry from being exposed to a high detergent concentration.
In einer bevorzugten Ausführungsform wird vor dem Einspeisen der mindestens zwei Waschmittel-Komponenten in die Umflutpumpe sich in dem Laugenbehälter befindende Waschflüssigkeit in Form von Wasser durch die Umfluteinrichtung aus dem ersten Bereich des Laugenbehälters in den zweiten Bereich des Laugenbehälters gefördert. Das Fördern wird vorzugsweise beendet, wenn mit dem Einspeisen der mindestens zwei Waschmittel-Komponenten in die Umflutpumpe begonnen wird. Dadurch kann erreicht werden, dass die Umflutpumpe möglichst wenig Waschflüssigkeit in Form von Wasser während des Einspeisens der Waschmittel-Komponenten enthält. So können einerseits konzentrierte Waschmittel-Komponenten gemischt werden. Andererseits kann das erhaltene konzentrierte Waschmittel-Komponenten-Gemisch durch Betreiben der Umflutpumpe bei einer Drehzahl gleich oder oberhalb der Förderdrehzahl anschließend verdünnt und so eine Anwendungslösung erzeugt werden, die in die Wäsche eingebracht wird.In a preferred embodiment, before the feeding of the at least two detergent components into the circulating pump, washing liquid in the form of water is conveyed from the first region of the tub into the second region of the tub by the circulating means in the tub. The conveying is preferably stopped when the feed of the at least two detergent components into the circulating pump is started. It can thereby be achieved that the circulating pump contains as little washing liquid in the form of water as possible during the feeding of the detergent components. So on the one hand concentrated detergent components can be mixed. On the other hand, by operating the circulating pump at a speed equal to or above the delivery speed, the resulting concentrated detergent-component mixture can be subsequently diluted to produce an application solution which is introduced into the laundry.
In einer bevorzugten Ausführungsform werden die Waschmittel-Komponenten in einen Saugbereich der Umflutpumpe eingespeist. Die Umflutpumpe ist in dieser Ausgestaltung des Verfahrens aktiviert und wird bei einer Drehzahl unterhalb der Förderdrehzahl betrieben. Nach Mischung der Waschmittel-Komponenten in der Umflutpumpe wird die Umflutpumpe bei einer Drehzahl gleich oder oberhalb der Förderdrehzahl betrieben und fördert das Waschmittel-Komponenten-Gemisch in den zweiten Bereich des Laugenbehälters. Das Waschmittel-Komponenten-Gemisch wird vorzugsweise direkt auf die Wäsche gesprüht, so dass ein kurzer Weg bis zur Wirkstelle des Waschmittel-Komponenten-Gemischs möglich ist.In a preferred embodiment, the detergent components are fed into a suction region of the circulating pump. The circulating pump is activated in this embodiment of the method and is operated at a speed below the delivery speed. After mixing the detergent components in the circulating pump, the circulating pump is operated at a speed equal to or above the conveying speed and conveys the detergent component mixture in the second region of the tub. The Detergent component mixture is preferably sprayed directly onto the laundry, so that a short way to the active site of the detergent component mixture is possible.
Vorzugsweise wird die Umflutpumpe bei einer Drehzahl unterhalb der Förderdrehzahl für eine vorbestimmte Misch-Zeit betrieben. Die vorbestimmte Misch-Zeit ist vorzugsweise derart gewählt, dass sie eine vollständige Mischung der Waschmittel-Komponenten erlaubt. Vorzugsweise wird anschließend die Umflutpumpe bei einer Drehzahl gleich oder oberhalb der Förderdrehzahl für eine vorbestimmte Umflut-Zeit betriebenPreferably, the circulating pump is operated at a speed below the conveying speed for a predetermined mixing time. The predetermined mixing time is preferably chosen so as to allow a complete mixing of the detergent components. Preferably, the circulating pump is then operated at a speed equal to or above the delivery speed for a predetermined purge time
Vorzugsweise wird zwischen dem Betreiben der Umflutpumpe bei einer Drehzahl unterhalb einer Förderdrehzahl und anschließend bei einer Drehzahl gleich zu oder oberhalb der Förderdrehzahl die in dem Laugenbehälter drehbar gelagerte Trommel zur Aufnahme von Wäsche bei einer Drehzahl zum Schleudern der Wäsche gedreht. Durch das Schleudern der Wäsche kann das durch Mischen in der Umflutpumpe erhaltene Waschmittel-Komponenten-Gemisch weiterhin mit zusätzlicher Waschflüssigkeit verdünnt werden.Preferably, between the operation of the circulating pump at a speed below a conveying speed and then at a speed equal to or above the conveying speed rotatably mounted in the tub drum for receiving laundry at a speed for spinning the laundry rotated. By spinning the laundry, the detergent-component mixture obtained by mixing in the circulating pump can be further diluted with additional washing liquid.
Vorzugsweise sind die mindestens zwei Waschmittel-Komponenten derart ausgewählt, dass sie bei Zusammentreffen eine Aktivsubstanz bevorzugter ein Bleichmittel erzeugen. Auf diese Weise kann die Aktivsubstanz bzw. das Bleichmittel in situ erzeugt werden. Dies ist insbesondere im Fall eines Bleichmittels vorteilhaft, da in Flüssigkeiten vorliegende Bleichmittel oftmals wenig lagerstabil sind. Neben dem Erzielen einer hervorragenden Bleichwirkung an der Wäsche ist eine einfache und sichere Handhabung eines Waschmittels mit Bleichmittelwirkung ohne Gefährdung des Nutzers gegeben, da das Bleichmittel in situ in der Waschmaschine erzeugt wird. Vorzugsweise sind werden daher mindestens zwei vorzugsweise zwei oder bevorzugter drei Waschmittel-Komponenten eingesetzt, die geeignet sind, durch Reaktion ein Bleichmittel zu bilden.Preferably, the at least two detergent components are selected such that when combined they produce an active substance more preferably a bleaching agent. In this way, the active substance or the bleaching agent can be generated in situ. This is particularly advantageous in the case of a bleaching agent, since bleaches present in liquids are often less storage-stable. In addition to achieving an excellent bleaching effect on the laundry, a simple and safe handling of a laundry detergent with bleaching action without endangering the user is given because the bleach is generated in situ in the washing machine. Preferably, therefore, at least two, preferably two, or more preferably three, detergent components are used which are capable of forming a bleach by reaction.
Vorzugsweise werden die mehreren Waschmittel-Komponenten gleichzeitig in die Umfutpumpe eingespeist. Alternativ oder zusätzlich bevorzugt werden die Waschmittel-Komponenten zeitversetzt in die Umflutpumpe eingespeist. Beispielsweise ist es möglich, dass eine Waschmittel-Komponente in der Umflutpumpe vorgelegt wird und eine oder mehrere weitere Waschmittel-Komponente/n zu ihr zudosiert wird/werden. Vorzugsweise wird die Umflutpumpe während des Einspeisens einer weiteren Waschmittel-Komponente bei der Drehzahl unterhalb der Förderdrehzahl betrieben.Preferably, the plurality of detergent components are simultaneously fed into the refill pump. Alternatively or additionally preferably, the detergent components are fed into the circulation pump with a time delay. For example, it is possible for a detergent component to be introduced into the circulating pump and for one or more further detergent component (s) to be added to it. Preferably, the circulating pump is operated during the feeding of a further detergent component at the speed below the conveying speed.
Es ist auch möglich, dass die Schritte Einspeisen der Waschmittel-Komponenten, Betreiben, der Umflutpumpe bei und/oder nach dem Einspeisen der mindestens zwei Waschmittel-Komponenten bei einer Drehzahl unterhalb einer Förderdrehzahl, optional Schleudern der Wäsche, anschließend Betreiben der Umflutpumpe bei einer Drehzahl gleich zu oder oberhalb der Förderdrehzahl ein- oder mehrmals wiederholt werden, so dass die Waschmittel-Komponenten der Umflutpumpe bzw. ihr Gemisch dem Laugenbehälter portionsweise zugeführt werden.It is also possible for the steps to feed the detergent components, operate, the circulating pump at and / or after feeding the at least two detergent components at a speed below a conveying speed, optionally spinning the laundry, then operating the circulating pump at a speed be repeated one or more times equal to or above the conveying speed, so that the Detergent components of the circulating pump or their mixture are supplied in portions to the tub.
Die Erfindung betrifft ferner eine Waschmaschine mit einem Laugenbehälter zur Aufnahme von Waschflüssigkeit, einer in dem Laugenbehälter drehbar gelagerten Trommel zur Aufnahme von Wäsche, einer Umfluteinrichtung zum Fördern der Waschflüssigkeit von einem ersten Bereich des Laugenbehälters in einen zweiten Bereich des Laugenbehälters und einer Steuer- oder Regeleinrichtung zum Steuern oder Regeln einzelner Phasen von Waschprogrammen, wobei die Umfluteinrichtung eine Umflutpumpe aufweist, die ein Verbindungselement zur Verbindung mit dem ersten Bereich des Laugenbehälters und einen Umflut-Druckstutzen zur Verbindung mit dem zweiten Bereich des Laugenbehälters und einen oder mehrere Umflut-Ansaugstutzen zur Verbindung mit einer oder mehreren Dosiereinrichtungen für Waschmittel-Komponenten aufweist und wobei die Umflutpumpe bei einer Drehzahl unterhalb einer Förderdrehzahl, bei der die Waschflüssigkeit aus dem ersten Bereich des Laugenbehälters in den zweiten Bereich des Laugenbehälters förderbar ist, und bei einer weiteren Drehzahl gleich zu oder oberhalb der Förderdrehzahl betreibbar ist.The invention further relates to a washing machine with a tub for receiving washing liquid, a rotatably mounted in the tub drum for receiving laundry, a Umfluteinrichtung for conveying the washing liquid from a first region of the tub in a second region of the tub and a control or regulating device for controlling or regulating individual phases of washing programs, the circulatory device comprising a circulating pump comprising a connection element for connection to the first region of the tub and a bypass discharge connection for connection to the second region of the tub and one or more bypass inlet connections for connection to one or more metering devices for detergent components and wherein the circulating pump at a speed below a conveying speed at which the washing liquid from the first region of the tub in the second region of the Lau gene container is conveyed, and at a further speed equal to or above the conveying speed is operable.
Vorzugsweise steuert oder regelt die Steuer- oder Regeleinrichtung eine Aktivität der Umflutpumpe. Vorzugsweise ist die Steuer- oder Regeleinrichtung ausgelegt, bei Aktivierung der Umflutpumpe ihre Drehzahl zu steuern oder zu regeln, so dass die Drehzahl bedarfsabhängig unterhalb der Förderdrehzahl oder gleich bzw. höher als die Förderdrehzahl ist. D.h., die Steuer- oder Regeleinrichtung ist vorzugsweise ausgelegt, die Umflutpumpe derart zu steuern oder zu regeln, dass sie je nach Bedarf als Mischkammer oder Fördereinrichtung zum Fördern von Waschflüssigkeit aus dem ersten Bereich des Laugenbehälters in den zweiten Bereich des Laugenbehälters fungieren kann. Vorzugsweise ist die Steuer- oder Regeleinrichtung eingerichtet, ein Betreiben der Umflutpumpe in einem Verfahren gemäß einer oder mehrerer der vorstehend beschriebenen Ausführungsformen zu steuern oder zu regeln.Preferably, the controller controls an activity of the bypass pump. Preferably, the control or regulating device is designed to control or regulate their speed when activating the circulating pump, so that the speed is demand-dependent below the delivery speed or equal to or higher than the delivery speed. That is, the controller is preferably configured to control or regulate the bypass pump so as to function as a mixing chamber or conveyor for conveying wash liquid from the first portion of the tub to the second portion of the tub, as needed. Preferably, the controller is arranged to control operation of the bypass pump in a method according to one or more of the embodiments described above.
In einer bevorzugten Ausführungsform weist die Umflutpumpe zwei, drei oder vier Umflut-Ansaugstutzen zur Verbindung mit der oder den Dosiereinrichtungen für die Waschmittel-Komponenten auf. Dadurch ist die Waschmaschine ausgelegt, so dass zwei, drei oder vier Waschmittel-Komponenten in die Umflutpumpe gleichzeitig und/oder nacheinander eingespeist werden können.In a preferred embodiment, the circulating pump has two, three or four bypass intake ports for connection to the one or more metering devices for the detergent components. As a result, the washing machine is designed so that two, three or four detergent components can be fed into the circulating pump simultaneously and / or sequentially.
Die Umfluteinrichtung weist weiterhin ein Umflutrohr, das die Umflutpumpe über ihr Verbindungselement mit dem ersten Bereich des Laugenbehälter verbindet, und eine Umflutleitung auf, die mit der Umflutpumpe über ihren Umflut-Druckstutzen verbunden ist und ausgelegt ist, die Umfluteinrichtung verlassende Waschflüssigkeit in den zweiten Bereich des Laugenbehälters einzubringen. Die Umflutleitung weist vorzugsweise zur besseren Verteilung der Waschflüssigkeit in dem zweiten Bereich des Laugenbehälters vorzugsweise eine Umflut-Düse auf, durch die die Waschflüssigkeit in den Laugenbehälter gesprüht wird.The Umfluteinrichtung further comprises a Umflutrohr which connects the Umflutpumpe via its connecting element with the first region of the tub, and a Umflutleitung which is connected to the Umflutpumpe via their Umflut-pressure port and is designed, the Umfluteinrichtung leaving scrubbing liquid in the second region of the To bring in tubs. The Umflutleitung preferably has for better distribution the washing liquid in the second region of the tub, preferably a circulating nozzle, through which the washing liquid is sprayed into the tub.
Der erste Bereich des Laugenbehälters ist vorzugsweise der untere Bereich des Laugenbehälters, und der zweite Bereich des Laugenbehälters ist vorzugsweise der obere Bereich des Laugenbehälters, bezogen auf die betriebsgemäße Aufstellposition der Waschmaschine. Das Waschmittel-Komponenten-Gemisch wird daher vorzugsweise von oben auf die sich in der Trommel befindenden Wäsche aufgebracht.The first area of the tub is preferably the lower area of the tub, and the second area of the tub is preferably the upper area of the tub, based on the operating position of the washing machine. The detergent-component mixture is therefore preferably applied from above onto the laundry located in the drum.
Jede Dosiereinrichtung weist vorzugsweise eine automatische Dosiereinheit auf. Die Dosiereinrichtung ist mit der Waschmaschine über mindestens eine Dosierleitung verbunden. Jede Waschmittel-Komponente wird durch die mindestens eine Dosierleitung aus der Dosiereinheit in die Umfluteinrichtung in einer vorbestimmten Dosierung eingespeist. Die Dosierung kann an der Dosiereinrichtung manuell eingestellt werden oder durch Auswählen eines Waschprogramms an der Waschmaschine gesteuert werden. Vorzugsweise ist die Dosiereinrichtung zu der Waschmaschine getrennt ausgebildet. Mindestens eine Dosierleitung ist an die Dosiereinrichtung und jeweils an den mindestens einen Umflut-Ansaugstutzen montiert. Dadurch kann die Zufuhr der Waschmittel-Komponenten direkt vor die Umflutpumpe in ihren Saugbereich erfolgen. Die Dosierleitung verbindet die Dosiereinrichtung direkt mit der Umfluteinrichtung. Die Dosiereinrichtung kann mehrere Kammern zur Aufnahme jeweils einer Waschmittel-Komponente aufweisen. Alternativ oder zusätzlich kann für jede Waschmittel-Komponente eine separate Dosiereinrichtung vorgesehen sein.Each metering device preferably has an automatic metering unit. The metering device is connected to the washing machine via at least one metering line. Each detergent component is fed by the at least one metering line from the metering unit into the circulating device in a predetermined dosage. The dosage can be adjusted manually at the metering device or controlled by selecting a washing program on the washing machine. Preferably, the metering device is formed separately from the washing machine. At least one metering line is mounted on the metering device and in each case on the at least one Umflut-intake manifold. As a result, the supply of the detergent components can take place directly in front of the circulating pump in its suction area. The metering line connects the metering device directly to the circulating device. The metering device may have a plurality of chambers for receiving a respective detergent component. Alternatively or additionally, a separate metering device can be provided for each detergent component.
Bei der Waschmaschine kann es sich um ein Haushaltsgerät oder ein gewerblich genutztes Gerät handeln. Unter den Begriff "Waschmaschine" fallen auch Kombigeräte wie beispielsweise ein Waschtrockner.The washing machine may be a household appliance or a commercially used appliance. The term "washing machine" also includes combination appliances such as a washer-dryer.
Bei den Waschmittel-Komponenten handelt es sich vorzugsweise um flüssige Komponenten. Eine Waschmittel-Komponente kann ein oder mehrere Bestandteile aufweisen. Ein Bestandteil kann dabei zu anderen Bestandteilen einer weiteren Waschmittel-Komponente inert oder reaktiv sein.The detergent components are preferably liquid components. A detergent component may have one or more ingredients. One component may be inert or reactive to other constituents of another detergent component.
Claims (7)
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PL17186138T PL3296448T3 (en) | 2016-09-14 | 2017-08-14 | Method for operating a washing machine and washing machine |
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DE102016117295.2A DE102016117295A1 (en) | 2016-09-14 | 2016-09-14 | Method of operating a washing machine and washing machine |
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EP3296448B1 EP3296448B1 (en) | 2020-10-07 |
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EP (1) | EP3296448B1 (en) |
DE (1) | DE102016117295A1 (en) |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8711341U1 (en) * | 1987-08-21 | 1988-09-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | washing machine |
US20080235880A1 (en) * | 2007-03-31 | 2008-10-02 | Lg Electronics Inc. | Washing machine |
DE102014105711A1 (en) | 2014-04-23 | 2015-10-29 | Miele & Cie. Kg | Method of operating a washing machine and washing machine |
EP2966210A1 (en) * | 2014-07-09 | 2016-01-13 | Miele & Cie. KG | Method for operating a water-bearing electrical device, water-bearing electrical device and cleaning agent |
-
2016
- 2016-09-14 DE DE102016117295.2A patent/DE102016117295A1/en not_active Withdrawn
-
2017
- 2017-08-14 PL PL17186138T patent/PL3296448T3/en unknown
- 2017-08-14 EP EP17186138.8A patent/EP3296448B1/en active Active
- 2017-08-14 ES ES17186138T patent/ES2826444T3/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8711341U1 (en) * | 1987-08-21 | 1988-09-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | washing machine |
US20080235880A1 (en) * | 2007-03-31 | 2008-10-02 | Lg Electronics Inc. | Washing machine |
DE102014105711A1 (en) | 2014-04-23 | 2015-10-29 | Miele & Cie. Kg | Method of operating a washing machine and washing machine |
EP2966210A1 (en) * | 2014-07-09 | 2016-01-13 | Miele & Cie. KG | Method for operating a water-bearing electrical device, water-bearing electrical device and cleaning agent |
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ES2826444T3 (en) | 2021-05-18 |
DE102016117295A1 (en) | 2018-03-15 |
PL3296448T3 (en) | 2021-01-11 |
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