EP2134232A1 - Water-conducting appliance having a cleaning agent feeding device - Google Patents

Water-conducting appliance having a cleaning agent feeding device

Info

Publication number
EP2134232A1
EP2134232A1 EP08718362A EP08718362A EP2134232A1 EP 2134232 A1 EP2134232 A1 EP 2134232A1 EP 08718362 A EP08718362 A EP 08718362A EP 08718362 A EP08718362 A EP 08718362A EP 2134232 A1 EP2134232 A1 EP 2134232A1
Authority
EP
European Patent Office
Prior art keywords
water
refill
detergent
previous
household appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08718362A
Other languages
German (de)
French (fr)
Other versions
EP2134232B1 (en
Inventor
Egbert Classen
Helmut Jerg
Kai Paintner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2134232A1 publication Critical patent/EP2134232A1/en
Application granted granted Critical
Publication of EP2134232B1 publication Critical patent/EP2134232B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids

Definitions

  • the invention relates to a water-conducting household appliance according to the preamble of patent claim 1.
  • Domestic dishwashers have a cleaning agent arranged on the inner door of the dishwasher and a rinse aid addition device which at a certain point in time dispenses all its contents. This requires that such a household dishwasher must be provided with detergent and / or rinse aid before each new rinse cycle.
  • combination products in tablet form are known which are introduced into the washroom at the beginning of each rinse cycle. These combination agents are designed so that they release their active ingredient components, such as cleaner, rinse aid, glass protection, etc. offset in time.
  • domestic dishwasher dishwashing programs which have a considerably shorter running time, for example 30 minutes, and are referred to as quick programs, all the components of such a compressed detergent can not dissolve and therefore do not develop their optimum effect due to the shortened program running time. Have glasses at the end of such flushing disturbing water spots.
  • a water-conducting household appliance in particular a domestic dishwasher is known
  • the line system is in communication with a detergent feed device, which allows to feed at least one detergent in the line system.
  • the detergent feed device has a fillable reservoir having a plurality of chambers for storing various detergent components.
  • the chambers can be used to contain the following ingredients: alkali carriers, eg lye, complexing and dispensing substances; eg polymers; Enzymes such as amylase, protease or lipase; Bleaching agents, eg hydrogen peroxide; Bleach activator, and surfactants, such as nonionic surfactants.
  • a diozid Vietnamese pool be stored, such as biocides against bacteria (bactericides), against fungi (fungicides), against germs (microbicides) against viruses (virocides) and against algae (algicides), the addition of unpleasant odor , eg by biofilm formation during longer periods, prevents.
  • bactericides bacteria
  • fungi fungicides
  • microbicides viruses
  • algicides algae
  • unpleasant odor eg by biofilm formation during longer periods, prevents.
  • To fill the reservoir is a in Flushing the water-leading household appliance arranged refill provided, which allows to fill all chambers of the reservoir simultaneously with a corresponding refill.
  • arranged in the washing compartment refill is difficult to reach.
  • the object of the invention is achieved in that a refill pipe connected to the reservoir is arranged on the door. This allows a simplification of the refilling process using a Nach Reichll stressess, since it is no longer necessary to remove before carrying out a refill, a dishwasher basket located in the washing and spray arm or to bring in such a position, so that the refill is easily accessible, but the refill can be placed on a refill on the door without any problems.
  • the refill is arranged accessible only when the door is open for an operator.
  • the refill pipe with the door closed by an operator can not be perceived and therefore does not affect the appearance of the water-bearing household appliance.
  • the refill nozzle is arranged on the inner door, that is, it is for example arranged in the region in which already known detergent and rinse aid devices are arranged.
  • the refill nozzle is arranged on the upper edge of the door, that is to say in a region in which, for example, fully integrated household appliances have control elements, such as program selection.
  • the refill is arranged so that an attached refill automatically emptied by gravity and the Detergent through lines automatically flow into the chambers of the reservoir of the detergent feed device.
  • a circulating pump connected to the detergent feed device is provided, so that the amount of detergent can be metered with the circulation pump.
  • valves may be provided which are closed when the cleaning agent is conveyed, or alternatively a water switch is closed. This makes it possible to determine the pressure and the volume flow and thus the amount of cleaner via the rotational speed of the circulation pump, without the need for additional pumps for metering the cleaning agent.
  • a conductivity sensor is preferably provided, which allows to detect the added amount of cleaner by measuring the conductivity, so as to increase the dosing accuracy.
  • the water-conducting household appliance according to the invention is designed such that a load detection device is provided for the circulating pump.
  • the load detection device detect fluctuations in the current consumption of the circulation pump.
  • the load detection device of the circulation pump can be detected on the basis of load change when the circulation pump is running, whether a chamber is still filled with detergents or not.
  • a control of a domestic dishwasher can be designed such that it generates an optical and / or acoustic signal in an empty chamber, which makes an operator aware of the empty chamber.
  • the detergent feed device is arranged in the floor pan of a domestic dishwasher.
  • the arrangement of the comesffeneinspeisevoriques in the bottom tray of a household dishwasher below a washing compartment offers the advantage of a compact design, since in addition to the detergent feed and the circulation pump is integrated in the bottom tray and from there the cleaning agent staggered wash liquor is supplied to the spray arms.
  • the detergent feed device preferably has pumping means for pumping in at least one cleaning agent. This allows liquid detergents and rinse aid to be transported directly from the chambers into the washing compartment.
  • the detergent feed device has at least one metering chamber in which the cleaning agents are mixed with the wash liquor.
  • the metering chambers allow an improvement in the dosage and by mixing with rinsing liquor improved cleaning performance.
  • the detergent feed device is designed for gravity-related automatic emptying.
  • the refill nozzle is formed corresponding to a connection of a Nach hypochll stressess.
  • FIG. 1 is a schematic representation of a first embodiment of the invention
  • Fig. 2 is a schematic representation of a second embodiment of the invention
  • a household dishwasher 2 which has a washing compartment 4 by two crockery baskets 6 are arranged one above the other.
  • a rotatable spray arm 8 is arranged underneath the two racks 6, which are supplied with rinsing liquor via a line system (not shown) of household dishwasher 2.
  • the household dishwasher 2 has a base tray 10, in which in addition to the circulation pump 12, a detergent feed device 18 is arranged, which allows the circulating during operation by the circulation pump 12 rinsing detergent, in particular liquid or gel-fed.
  • the detergent feed device has a reservoir 16, which has a plurality of chambers (not shown) and therefore allows to accommodate different cleaning agents with different functions.
  • these may be, for example, alkali carriers, for example lye, complexing agents and dispersants; eg polymer; Enzymes such as amylase, protease or lipase; Bleaching agents, eg hydrogen peroxide; Bleach activator and surfactants such as nonionic surfactants.
  • biocidal liquids can be stored, such as Biozyde against bacteria (bactericides), against fungi (fungicides) against germs (microbiozyde), against viruses (Virozyde) and also against algae (algicides) the unpleasant odor development by eg biofilm formation during prolonged periods prevention.
  • the reservoir 16 is formed the chambers for receiving a quantity of detergent, which allows to perform a variety of rinses.
  • the circulated rinsing liquor collects in the floor area 10 of the domestic dishwasher 2 and is returned to the spray arm 8 by a circulating pump 12, which is arranged in a floor pan of the household dishwasher 2.
  • a pivotable door 24 is provided to fill the two baskets 6 with dishes to be cleaned or to remove the cleaned dishes after completion of a flushing process again.
  • the door 24 has on its inner door 26, that is to say on the side facing the washing compartment 4, a refilling nozzle 20 which is connected via a line 24 to the reservoir 16 of the cleaning feed device 18.
  • the refill nozzle 20 is arranged on an upper edge 28 of the door 24, so that the refill nozzle 20 is at closed door 24 is not visible to an operator and arranged unreachable.
  • the refilling nozzle 20 is designed such that a refilling body 32 can be placed, which has a multiplicity of chambers which corresponds to the number of cleaning agents to be supplied.
  • the reservoir 16 has a corresponding number of chambers and to allow simultaneous filling, the conduit 24 has a corresponding number of separate channels. They can be formed, for example, by hose lines or extruded profiles.
  • the door 20 is brought into a half-open position, in which, for example, the door 20 is opened at an angle of about 30 to 45 degrees and then the refill body 32 on the arranged on the inner door 26 refill 20 or at the upper edge 28th the door 24 arranged refill is placed.
  • the outlet opening of the refill body 32 is directed substantially in the direction of gravity downwards, so that an automatic emptying of the refill body or all chambers of the refill body 32 is ensured and the cleaning agent pass through the line 24 to the chambers of the reservoir 16.
  • the refill body 32 can be released from the spigot 20 again and the household dishwasher is ready for use again.
  • connection piece 20 with a suitable closure element or the connection element 20 has corresponding valve means which automatically cause a self-opening upon placement of a refill body 32 and a resealing upon removal of the refill body 32.

Abstract

The invention relates to a water-conducting appliance, particularly a household dishwasher (2), comprising a line system and a cleaning agent feeding device (18), which is configured to feed at least one cleaning agent into the line system of the household dishwasher (2) and comprises at least one reservoir (16), which can be filled with a cleaning agent. The invention is characterized in that a refill fitting (20) connected to the reservoir (16) is provided on the door (24).

Description

Wasserführendes Haushaltsgerät mit Reinigungsmitteleinspeisevorrichtung Water-conducting household appliance with detergent feed device
Die Erfindung betrifft ein wasserführendes Haushaltsgerät nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a water-conducting household appliance according to the preamble of patent claim 1.
Haushalts-Geschirrspülmaschinen besitzen eine an der Innentür der Geschirrspülmaschine angeordnete Reiniger- und eine Klarspülerzugabeeinrichtung, die zu einem bestimmten Zeitpunkt ihren gesamten Inhalt abgibt. Dies erfordert, dass vor jedem neuen Spülgang eine derartige Haushalts-Geschirrspülmaschine mit Reiniger und/oder Klarspüler versehen werden muss. Als Alternative zur Verwendung separater Reiniger und Klarspüler sind Kombinationsprodukte in Tablettenform bekannt, die zu Beginn jeden Spülzyklus in den Spülraum eingebracht werden. Dabei sind diese Kombinationsmittel derart gestaltet, dass sie ihre Wirkstoffkomponenten, wie Reiniger, Klarspüler, Glasschutz etc. zeitlich versetzt freigeben. Bei Spülprogrammen für Haushalts- Geschirrspülmaschinen, die eine erheblich verkürzte Laufzeit, beispielsweise 30 Minuten aufweisen und als Schnellprogramme bezeichnet werden, können sich aufgrund der verkürzten Programmlaufzeit alle Komponenten solch eines komprimierten Reinigungsmittels nicht auflösen und damit ihre optimale Wirkung nicht entfalten, so dass z.B. Gläser am Ende eines derartigen Spülvorganges störende Wasserflecken aufweisen.Domestic dishwashers have a cleaning agent arranged on the inner door of the dishwasher and a rinse aid addition device which at a certain point in time dispenses all its contents. This requires that such a household dishwasher must be provided with detergent and / or rinse aid before each new rinse cycle. As an alternative to using separate cleaners and rinse aids, combination products in tablet form are known which are introduced into the washroom at the beginning of each rinse cycle. These combination agents are designed so that they release their active ingredient components, such as cleaner, rinse aid, glass protection, etc. offset in time. In domestic dishwasher dishwashing programs, which have a considerably shorter running time, for example 30 minutes, and are referred to as quick programs, all the components of such a compressed detergent can not dissolve and therefore do not develop their optimum effect due to the shortened program running time. Have glasses at the end of such flushing disturbing water spots.
Aus der DE102006043975 ist ein Wasser führendes Haushaltsgerät, insbesondere eine Haushalts-Geschirrspülmaschine bekannt, dessen Leitungssystem mit einer Reinigungsmitteleinspeisevorrichtung in Verbindung steht, die es erlaubt, wenigstens ein Reinigungsmittel in das Leitungssystem einzuspeisen. Die Reinigungsmitteleinspeisevorrichtung weist ein befüllbares Reservoir auf, das eine Mehrzahl von Kammern zur Bevorratung von verschiedenen Reinigerkomponenten aufweist. Die Kammern können zur Aufnahme folgender Inhaltsstoffe dienen: Alkaliträger, z.B. Lauge, Komplexier- und Dispegierstoffe; z.B. Polymere; Enzyme wie Amylase, Protease oder Lipase; Bleichmittel, z.B. Wasserstoffperoxid; Bleichaktivator, und Tenside, wie z.B. nichtionische Tenside. Ferner kann in den Kammern zusätzlich eine diozidwirkende Flüssigkeit bevorratet werden, wie z.B. Biozide gegen Bakterien (Bakterizide), gegen Pilze (Fungizide), gegen Keime (Mikrobizide), gegen Viren (Virozide) und auch gegen Algen (Algizide), deren Zugabe unangenehme Geruchsentwicklung, z.B. durch Biofilmbildung während längerer Standzeiten, unterbindet. Zur Befüllung des Reservoirs ist ein im Spülraum des Wasser führenden Haushaltsgeräts angeordneter Nachfüllstutzen vorgesehen, der es erlaubt mit einem entsprechenden Nachfüllkörper alle Kammern des Reservoirs simultan zu befüllen. Jedoch ist der im Spülraum angeordnete Nachfüllstutzen schwer erreichbar.From DE102006043975 a water-conducting household appliance, in particular a domestic dishwasher is known, the line system is in communication with a detergent feed device, which allows to feed at least one detergent in the line system. The detergent feed device has a fillable reservoir having a plurality of chambers for storing various detergent components. The chambers can be used to contain the following ingredients: alkali carriers, eg lye, complexing and dispensing substances; eg polymers; Enzymes such as amylase, protease or lipase; Bleaching agents, eg hydrogen peroxide; Bleach activator, and surfactants, such as nonionic surfactants. Furthermore, in the chambers in addition a diozidwirkende liquid be stored, such as biocides against bacteria (bactericides), against fungi (fungicides), against germs (microbicides) against viruses (virocides) and against algae (algicides), the addition of unpleasant odor , eg by biofilm formation during longer periods, prevents. To fill the reservoir is a in Flushing the water-leading household appliance arranged refill provided, which allows to fill all chambers of the reservoir simultaneously with a corresponding refill. However, arranged in the washing compartment refill is difficult to reach.
Es ist daher Aufgabe der Erfindung, hier Abhilfe zu schaffen.It is therefore an object of the invention to remedy this situation.
Die Aufgabe der Erfindung wird dadurch gelöst, dass ein mit dem Reservoir in Verbindung stehender Nachfüllstutzen an der Tür angeordnet ist. Dies erlaubt eine Vereinfachung des Nachfüllvorgangs unter Verwendung eines Nachfüllkörpers, da es nun nicht mehr notwendig ist, vor Durchführung eines Nachfüllvorgangs, einen im Spülraum befindlichen Geschirrkorb sowie Sprüharm zu entfernen bzw. in eine derartige Position zu bringen, so dass der Nachfüllstutzen problemlos zugänglich ist, sondern der Nachfüllkörper kann auf einen Nachfüllstutzen an der Tür ohne Probleme aufgesetzt werden.The object of the invention is achieved in that a refill pipe connected to the reservoir is arranged on the door. This allows a simplification of the refilling process using a Nachfüllkörpers, since it is no longer necessary to remove before carrying out a refill, a dishwasher basket located in the washing and spray arm or to bring in such a position, so that the refill is easily accessible, but the refill can be placed on a refill on the door without any problems.
Vorzugsweise ist dabei vorgesehen, dass der Nachfüllstutzen nur bei geöffneter Tür für eine Bedienperson erreichbar angeordnet ist. So wird erreicht, dass der Nachfüllstutzen bei geschlossener Tür von einer Bedienperson nicht wahrgenommen werden kann und daher das äußere Erscheinungsbild des wasserführenden Haushaltsgeräts nicht beeinträchtigt. Ferner entfällt der Aufwand, den Nachfüllstutzen durch Klappen oder andere Mechanismen bei Nichtbedarf zu verdecken.Preferably, it is provided that the refill is arranged accessible only when the door is open for an operator. Thus, it is achieved that the refill pipe with the door closed by an operator can not be perceived and therefore does not affect the appearance of the water-bearing household appliance. Furthermore, eliminates the effort to cover the refill by flaps or other mechanisms when not needed.
Dabei ist in einer ersten Ausführungsform der Erfindung vorgesehen, dass der Nachfüllstutzen an der Innentür angeordnet ist, das heißt er ist beispielsweise in dem Bereich angeordnet, in dem bereits bekannte Reiniger- und Klarspülzugabeeinrichtungen angeordnet sind.In this case, it is provided in a first embodiment of the invention that the refill nozzle is arranged on the inner door, that is, it is for example arranged in the region in which already known detergent and rinse aid devices are arranged.
In einer zweiten, alternativen Ausführungsform ist vorgesehen, dass der Nachfüllstutzen an der oberen Kante der Tür angeordnet ist, das heißt in einem Bereich, in dem beispielsweise voll integrierte Haushaltsgeräte Bedienelemente zur Steuerung, wie beispielsweise der Programmwahl aufweisen.In a second, alternative embodiment, it is provided that the refill nozzle is arranged on the upper edge of the door, that is to say in a region in which, for example, fully integrated household appliances have control elements, such as program selection.
In beiden Ausführungsbeispielen ist dabei der Nachfüllstutzen so angeordnet, dass ein aufgesetzter Nachfüllkörper sich selbsttätig durch Schwerkraftwirkung entleert und die Reinigungsmittel durch Leitungen selbsttätig in die Kammern des Reservoirs der Reinigungsmitteleinspeisevorrichtung strömen.In both embodiments, the refill is arranged so that an attached refill automatically emptied by gravity and the Detergent through lines automatically flow into the chambers of the reservoir of the detergent feed device.
Vorzugsweise ist eine mit der Reinigungsmitteleinspeisevorrichtung in Verbindung stehende Umwälzpumpe vorgesehen, so dass mit der Umwälzpumpe die Reinigungsmittelmenge dosiert werden kann. Hierzu können Ventile vorgesehen sein, die bei Beförderung des Reinigungsmittels geschlossen sind, oder es wird alternativ eine Wasserweiche geschlossen. Dies erlaubt es, über die Drehzahl der Umwälzpumpe den Druck und den Volumenstrom und damit die Reinigermenge zu bestimmen, ohne dass zusätzliche Pumpen zur Dosierung des Reinigungsmittels erforderlich sind.Preferably, a circulating pump connected to the detergent feed device is provided, so that the amount of detergent can be metered with the circulation pump. For this purpose, valves may be provided which are closed when the cleaning agent is conveyed, or alternatively a water switch is closed. This makes it possible to determine the pressure and the volume flow and thus the amount of cleaner via the rotational speed of the circulation pump, without the need for additional pumps for metering the cleaning agent.
Ferner ist vorzugsweise ein Leitfähigkeitssensor vorgesehen, der es erlaubt, durch Messung der Leitfähigkeit die zugegebene Reinigermenge zu erfassen, um so die Dosiergenauigkeit zu erhöhen.Further, a conductivity sensor is preferably provided, which allows to detect the added amount of cleaner by measuring the conductivity, so as to increase the dosing accuracy.
In einer bevorzugten Ausführungsform ist vorgesehen, dass das erfindungsgemäße Wasser führende Haushaltsgerät derart ausgebildet ist, dass eine Lasterkennungseinrichtung für die Umwälzpumpe vorgesehen ist. Beispielsweise kann die Lasterkennungseinrichtung Schwankungen der Stromaufnahme der Umwälzpumpe erfassen. Mit der Lasterkennungseinrichtung der Umwälzpumpe kann anhand von Laständerung bei laufender Umwälzpumpe erkannt werden, ob eine Kammer noch mit Reinigungsmitteln gefüllt ist oder nicht. Dabei kann eine Steuerung einer Haushalts- Geschirrspülmaschine derart ausgebildet sein, dass sie bei einer leeren Kammer ein optisches und/oder akkustisches Signal erzeugt, die eine Bedienperson auf die leere Kammer aufmerksam macht.In a preferred embodiment it is provided that the water-conducting household appliance according to the invention is designed such that a load detection device is provided for the circulating pump. For example, the load detection device detect fluctuations in the current consumption of the circulation pump. With the load detection device of the circulation pump can be detected on the basis of load change when the circulation pump is running, whether a chamber is still filled with detergents or not. In this case, a control of a domestic dishwasher can be designed such that it generates an optical and / or acoustic signal in an empty chamber, which makes an operator aware of the empty chamber.
Vorzugsweise ist vorgesehen, dass die Reinigungsmitteleinspeisevorrichtung in der Bodenwanne einer Haushalts-Geschirrspülmaschine angeordnet ist. Die Anordnung der Reinigungsmitteleinspeisevorrichtung in der Bodenwanne einer Haushalts- Geschirrspülmaschine unterhalb eines Spülraumes bietet den Vorteil einer kompakten Ausführung, da neben der Reinigungsmitteleinspeisevorrichtung auch die Umwälzpumpe in der Bodenwanne integriert ist und von dort die Reinigungsmittel versetzte Spülflotte den Sprüharmen zugeführt wird. Vorzugsweise weist die Reinigungsmitteleinspeisevorrichtung Pumpmittel zum Einpumpen von wenigstens einem Reinigungsmittel auf. Diese erlaubt es, flüssige Reinigungsmittel sowie Klarspüler unmittelbar aus den Kammern in den Spülraum zu befördern.It is preferably provided that the detergent feed device is arranged in the floor pan of a domestic dishwasher. The arrangement of the Reinigungsmitteleinspeisevorrichtung in the bottom tray of a household dishwasher below a washing compartment offers the advantage of a compact design, since in addition to the detergent feed and the circulation pump is integrated in the bottom tray and from there the cleaning agent staggered wash liquor is supplied to the spray arms. The detergent feed device preferably has pumping means for pumping in at least one cleaning agent. This allows liquid detergents and rinse aid to be transported directly from the chambers into the washing compartment.
In einer bevorzugten Ausführungsform ist vorgesehen, dass die Reinigungsmitteleinspeisevorrichtung wenigstens eine Dosierkammer aufweist, in der die Reinigungsmittel mit der Spülflotte vermischt werden. Dabei erlauben die Dosierkammern eine Verbesserung der Dosierung und durch das Vermischen mit Spülflotte eine verbesserte Reinigungsleistung.In a preferred embodiment, it is provided that the detergent feed device has at least one metering chamber in which the cleaning agents are mixed with the wash liquor. The metering chambers allow an improvement in the dosage and by mixing with rinsing liquor improved cleaning performance.
Ferner ist vorzugsweise vorgehen, dass die Reinigungsmitteleinspeisevorrichtung zum Schwerkraft bedingten selbsttätigen Entleeren ausgebildet ist.Furthermore, it is preferable that the detergent feed device is designed for gravity-related automatic emptying.
Schließlich ist in einer bevorzugten Ausführungsform vorgesehen, dass der Nachfüllstutzen korrespondierend zu einem Anschluss eines Nachfüllkörpers ausgebildet ist.Finally, it is provided in a preferred embodiment that the refill nozzle is formed corresponding to a connection of a Nachfüllkörpers.
Im Folgenden wird die Erfindung unter Bezugnahme auf eine Zeichnung erläutert. Es zeigen:In the following the invention will be explained with reference to a drawing. Show it:
Fig. 1 in schematischer Darstellung ein erstes Ausführungsbeispiel der Erfindung, und Fig. 2 in schematischer Darstellung ein zweites Ausführungsbeispiel der1 is a schematic representation of a first embodiment of the invention, and Fig. 2 is a schematic representation of a second embodiment of the
Erfindung.Invention.
Es wird auf Fig. 1 und 2 Bezug genommen.Reference is made to FIGS. 1 and 2.
Dargestellt ist als Beispiel für ein Wasser führendes Haushaltsgerät eine Haushalts- Geschirrspülmaschine 2, die einen Spülraum 4 aufweist, indem zwei Geschirrkörbe 6 übereinander angeordnet sind. Um in den Geschirrkörben 6 abgelegtes Geschirr mit Spülflotte zu beaufschlagen ist unterhalb der beiden Geschirrkörbe 6 je ein drehbarer Sprüharm 8 angeordnet, die über ein Leitungssystem (nicht dargestellt) der Haushalts- Geschirrspülmaschine 2 mit Spülflotte versorgt werden. Unterhalb des Spülraumes 4 weist die Haushalts-Geschirrspülmaschine 2 eine Bodenwanne 10 auf, in der neben der Umwälzpumpe 12 eine Reinigungsmitteleinspeisevorrichtung 18 angeordnet ist, die es erlaubt, die während des Betriebs durch die Umwälzpumpe 12 umgewälzte Spülflotte Reinigungsmittel, insbesondere flüssige oder auch gelförmige einzuspeisen. Zur Bevorratung der Reinigungsmittel weist die Reinigungsmitteleinspeisevorrichtung ein Reservoir 16 auf, das eine Vielzahl von Kammern (nicht dargestellt) aufweist und es daher erlaubt, verschiedene Reinigungsmittel mit unterschiedlichen Funktionen aufzunehmen. Dies können z.B. sein Alkaliträger, z.B. Lauge, Komplexier- und Dispergierstoffe; z.B. Polymäre; Enzyme wie Amylase, Protease oder Lipase; Bleichmittel, z.B. Wasserstoffperoxid; Bleichaktivator und Tenside wie z.B. nichtionische Tenside. Ferner können auch biozydwirkende Flüssigkeiten bevorratet werden, wie z.B. Biozyde gegen Bakterien (Bakterizide), gegen Pilze (Fungizide), gegen Keime (Mikrobiozyde), gegen Viren (Virozyde) und auch gegen Algen (Algizide) die unangenehme Geruchsentwicklung durch z.B. Biofilmbildung während längerer Standzeiten unterbinden. Dabei ist das Reservoir 16 den Kammern zur Aufnahme von einer Reinigungsmittelmenge ausgebildet, die es erlaubt, eine Vielzahl von Spülgängen durchzuführen.As an example of a water-conducting household appliance is shown a household dishwasher 2, which has a washing compartment 4 by two crockery baskets 6 are arranged one above the other. In order to act on dishes placed in dish racks 6 with rinsing liquor, a rotatable spray arm 8 is arranged underneath the two racks 6, which are supplied with rinsing liquor via a line system (not shown) of household dishwasher 2. Below the washing compartment 4, the household dishwasher 2 has a base tray 10, in which in addition to the circulation pump 12, a detergent feed device 18 is arranged, which allows the circulating during operation by the circulation pump 12 rinsing detergent, in particular liquid or gel-fed. For storing the cleaning agents, the detergent feed device has a reservoir 16, which has a plurality of chambers (not shown) and therefore allows to accommodate different cleaning agents with different functions. These may be, for example, alkali carriers, for example lye, complexing agents and dispersants; eg polymer; Enzymes such as amylase, protease or lipase; Bleaching agents, eg hydrogen peroxide; Bleach activator and surfactants such as nonionic surfactants. Furthermore, biocidal liquids can be stored, such as Biozyde against bacteria (bactericides), against fungi (fungicides) against germs (microbiozyde), against viruses (Virozyde) and also against algae (algicides) the unpleasant odor development by eg biofilm formation during prolonged periods prevention. In this case, the reservoir 16 is formed the chambers for receiving a quantity of detergent, which allows to perform a variety of rinses.
Während des Betriebs der Haushalts-Geschirrspülmaschine 2 sammelt sich die umgewälzte Spülflotte im Bodenbereich 10 der Haushalts-Geschirrspülmaschine 2 und wird von einer Umwälzpumpe 12, die in einer Bodenwanne der Haushalts- Geschirrspülmaschine 2 angeordnet ist, wieder dem Sprüharm 8 zugeführt. Um die beiden Geschirrkörbe 6 mit zu reinigendem Geschirr zu füllen bzw. das gereinigte Geschirr nach Abschluss eines Spülvorganges wieder zu entnehmen, ist eine schwenkbar ausgebildete Tür 24 vorgesehen.During operation of the household dishwasher 2, the circulated rinsing liquor collects in the floor area 10 of the domestic dishwasher 2 and is returned to the spray arm 8 by a circulating pump 12, which is arranged in a floor pan of the household dishwasher 2. To fill the two baskets 6 with dishes to be cleaned or to remove the cleaned dishes after completion of a flushing process again, a pivotable door 24 is provided.
Bei dem ersten Ausführungsbeispiel gemäß Fig. 1 weist die Tür 24 an ihrer Innentür 26, das heißt an der dem Spülraum 4 zugewandten Seite einen Nachfüllstutzen 20 auf, der über eine Leitung 24 mit dem Reservoir 16 der Reinigungseinspeisevorrichtung 18 verbunden ist.In the first exemplary embodiment according to FIG. 1, the door 24 has on its inner door 26, that is to say on the side facing the washing compartment 4, a refilling nozzle 20 which is connected via a line 24 to the reservoir 16 of the cleaning feed device 18.
Bei dem zweiten Ausführungsbeispiel gemäß Figur 2 hingegen ist der Nachfüllstutzen 20 an einer oberen Kante 28 der Tür 24 angeordnet, so dass der Nachfüllstutzen 20 bei geschlossener Tür 24 für eine Bedienperson nicht sichtbar und nicht erreichbar angeordnet ist.In contrast, in the second embodiment according to FIG. 2, the refill nozzle 20 is arranged on an upper edge 28 of the door 24, so that the refill nozzle 20 is at closed door 24 is not visible to an operator and arranged unreachable.
Bei beiden Ausführungsbeispielen gemäß der Fig. 1 und 2 ist der Nachfüllstutzen 20 derart ausgebildet, dass ein Nachfüllkörper 32 aufgesetzt werden kann, der eine Vielzahl von Kammern aufweist, die der Anzahl der zuzuführenden Reinigungsmittel entspricht. Das Reservoir 16 weist eine entsprechende Anzahl von Kammern auf und um ein simultanes Befüllen zu erlauben weist die Leitung 24 eine entsprechende Anzahl von voneinander getrennten Kanälen auf. Sie können beispielsweise durch Schlauchleitungen oder extrudierte Profile gebildet sein.In both embodiments according to FIGS. 1 and 2, the refilling nozzle 20 is designed such that a refilling body 32 can be placed, which has a multiplicity of chambers which corresponds to the number of cleaning agents to be supplied. The reservoir 16 has a corresponding number of chambers and to allow simultaneous filling, the conduit 24 has a corresponding number of separate channels. They can be formed, for example, by hose lines or extruded profiles.
Wenn das Reservoir bzw. eine der Kammern des Reservoirs entleert ist, kann durch eine entsprechend ausgebildete Steuereinrichtung der Haushalts-Geschirrspülmaschine 2 eine Bedienperson hier darauf aufmerksam gemacht werden, so dass diese unter Verwendung eines Nachfüllkörpers 32 einen Nachfüllvorgang durchführt.If the reservoir or one of the chambers of the reservoir is emptied, an operator can be made aware of this by an appropriately designed control device of the domestic dishwasher 2, so that this performs a refilling operation using a refill body 32.
Hierzu wird die Tür 20 in eine halbgeöffnete Position gebracht, bei der beispielsweise die Tür 20 mit einem Winkel von ca. 30 bis 45 Grad geöffnet ist und anschließend den Nachfüllkörper 32 auf den an der Innentür 26 angeordneten Nachfüllstutzen 20 oder den an der oberen Kante 28 der Tür 24 angeordneten Nachfüllstutzen aufgesetzt wird. In dieser Position ist die Auslassöffnung des Nachfüllkörpers 32 im Wesentlichen in Schwerkraftrichtung nach unten gerichtet, so dass eine selbsttätige Entleerung des Nachfüllkörpers bzw. aller Kammern des Nachfüllkörpers 32 gewährleistet ist und die Reinigungsmittel durch die Leitung 24 zu den Kammern des Reservoirs 16 gelangen. Wenn der Nachfüllkörper 32 vollständig entleert ist, kann der Nachfüllkörper 32 von dem Anschlussstutzen 20 wieder gelöst werden und die Haushalts-Geschirrspülmaschine ist wieder betriebsbereit. Anschließend kann es ggf. erforderlich sein, den Anschlussstutzen 20 mit einem geeigneten Verschlusselement wieder zu verschließen oder das Anschlusselement 20 weist entsprechende Ventilmittel auf, die bei Aufsetzen eines Nachfüllkörpers 32 eine selbsttätige Öffnung und bei Entfernen des Nachfüllkörpers 32 ein Wiederverschließen selbsttätig bewirken. BezugszeichenlisteFor this purpose, the door 20 is brought into a half-open position, in which, for example, the door 20 is opened at an angle of about 30 to 45 degrees and then the refill body 32 on the arranged on the inner door 26 refill 20 or at the upper edge 28th the door 24 arranged refill is placed. In this position, the outlet opening of the refill body 32 is directed substantially in the direction of gravity downwards, so that an automatic emptying of the refill body or all chambers of the refill body 32 is ensured and the cleaning agent pass through the line 24 to the chambers of the reservoir 16. When the refill body 32 is completely emptied, the refill body 32 can be released from the spigot 20 again and the household dishwasher is ready for use again. Subsequently, it may be necessary to re-close the connection piece 20 with a suitable closure element or the connection element 20 has corresponding valve means which automatically cause a self-opening upon placement of a refill body 32 and a resealing upon removal of the refill body 32. LIST OF REFERENCE NUMBERS
2 Haushalts-Geschirrspülmaschine2 household dishwasher
4 Spülraum4 washroom
6 Geschirrkorb 8 Sprüharm6 Dish rack 8 Spray arm
10 Bodenbereich10 floor area
12 Umwälzpumpe12 circulation pump
16 Reservoir16 reservoir
18 Reinigungsmitteleinspeisevorrichtung 20 Nachfüllstutzen18 detergent feed device 20 refill neck
22 Leitung22 line
24 Tür24 door
26 Innentür26 inner door
28 Bodenwanne 30 Obere Kante28 Bottom tray 30 Upper edge
32 Nachfüllkörper 32 refill body

Claims

PATENTANSPRÜCHE
1. Wasser führendes Haushaltsgerät, insbesondere Haushalts- Geschirrspülmaschine (2) mit einem Leitungssystem und einer Reinigungsmitteleinspeisevorrichtung (18), die zur Einspeisung von wenigstens einem Reinigungsmittel in das Leitungssystem derA water-conducting domestic appliance, in particular domestic dishwasher (2) with a line system and a detergent feed device (18), which is provided for feeding at least one cleaning agent into the line system of the
Haushalts-Geschirrspülmaschine (2) ausgebildet ist, und die wenigstens ein mit einem Reinigungsmittel befüllbares Reservoir (16) aufweist, dadurch gekennzeichnet, dass ein mit dem Reservoir (16) in Verbindung stehender Nachfüllstutzen (20) an der Tür (24) angeordnet ist.Household dishwasher (2) is formed, and having at least one fillable with a detergent reservoir (16), characterized in that a with the reservoir (16) in connection standing refill pipe (20) on the door (24) is arranged.
2. Wasser führendes Haushaltsgerät nach Anspruch 1 , dadurch gekennzeichnet, dass der Nachfüllstutzen (20) nur bei geöffneter Tür (24) für eine Bedienperson erreichbar angeordnet ist.2. Water-conducting household appliance according to claim 1, characterized in that the refill nozzle (20) is arranged accessible only to an open door (24) for an operator.
3. Wasser führendes Haushaltsgerät nach Anspruch 2, dadurch gekennzeichnet, dass der Nachfüllstutzen (20) an der Innentür (26) angeordnet ist.3. Water-conducting household appliance according to claim 2, characterized in that the refill nozzle (20) on the inner door (26) is arranged.
4. Wasser führendes Haushaltsgerät nach Anspruch 2, dadurch gekennzeichnet, dass der Nachfüllstutzen (20) an der oberen Kante (30) der Tür (24) angeordnet ist.4. Water-conducting household appliance according to claim 2, characterized in that the refill nozzle (20) on the upper edge (30) of the door (24) is arranged.
5. Wasser führendes Haushaltsgerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass eine mit der5. Water-conducting household appliance according to one of the preceding claims, characterized in that one with the
Reinigungsmitteleinspeisevorrichtung (18) in Verbindung stehende Umwälzpumpe (12) vorgesehen ist.Detergent feeder (18) in connection circulating pump (12) is provided.
6. Wasser führendes Haushaltsgerät nach einem der vorherigen Ansprüche, gekennzeichnet durch einen Leitfähigkeitssensor zur6. Water-conducting household appliance according to one of the preceding claims, characterized by a conductivity sensor for
Erfassung der Leitfähigkeit von Spülflotte. Detection of the conductivity of rinsing liquor.
7. Wasser führendes Haushaltsgerät nach einem der vorherigen7. Water leading home appliance after one of the previous
Ansprüche, gekennzeichnet durch Lasterkennungsmittel zur Erkennung von Lastschwankungen der Umwälzpumpe.Claims, characterized by load detection means for detecting load fluctuations of the circulation pump.
8. Wasser führendes Haushaltsgerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die8. Water-conducting household appliance according to one of the preceding claims, characterized in that the
Reinigungsmitteleinspeisevorrichtung (18) im Bereich einer Bodenwanne (28) der Haushalts-Geschirrspülmaschine (2) angeordnet ist.Detergent feeding device (18) in the region of a bottom trough (28) of the household dishwasher (2) is arranged.
9. Wasser führendes Haushaltsgerät nach einem der bisherigen9. Water leading household appliance according to one of the previous
Ansprüche, dadurch gekennzeichnet, dass dieClaims, characterized in that the
Reinigungsmitteleinspeisevorrichtung (18) Pumpmittel zum Einbringen von wenigstens einem Reinigungsmittel aufweist.Detergent supply device (18) pumping means for introducing at least one cleaning agent.
10. Wasser führendes Haushaltsgerät nach einem der vorherigen10. Water leading home appliance after one of the previous
Ansprüche, dadurch gekennzeichnet, dass dieClaims, characterized in that the
Reinigungsmitteleinspeisevorrichtung (18) wenigstens eine Dosierkammer aufweist.Detergent supply device (18) has at least one metering chamber.
11. Wasser führendes Haushaltsgerät nach einem der vorherigen11. Water leading home appliance after one of the previous
Ansprüche, dadurch gekennzeichnet, dass dieClaims, characterized in that the
Reinigungsmitteleinspeisevorrichtung (18) zum Schwerkraft bedingten selbsttätigen Entleeren ausgebildet ist.Detergent feeding device (18) for gravity-related automatic emptying is formed.
12. Wasser führendes Haushaltsgerät nach einem der vorherigen12. Water leading home appliance after one of the previous
Ansprüche, dadurch gekennzeichnet, dass dieClaims, characterized in that the
Reinigungsmitteleinspeisevorrichtung (18) mittels eines Nachfüllkörpers (32) befüllbar ausgebildet ist.Detergent supply device (18) by means of a refill body (32) is formed fillable.
13. Wasser führendes Haushaltsgerät nach einem der vorherigen13. Water leading home appliance after one of the previous
Ansprüche, dadurch gekennzeichnet, dass der Nachfüllstutzen (20) korrespondierend zu einem Anschluss eines Nachfüllkörpers (32) ausgebildet ist. Claims, characterized in that the refilling nozzle (20) is designed corresponding to a connection of a refill body (32).
EP08718362.0A 2007-04-11 2008-03-31 Water-conducting appliance having a cleaning agent feeding device Active EP2134232B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007017117A DE102007017117A1 (en) 2007-04-11 2007-04-11 Water-conducting household appliance with detergent feed device
PCT/EP2008/053824 WO2008125473A1 (en) 2007-04-11 2008-03-31 Water-conducting appliance having a cleaning agent feeding device

Publications (2)

Publication Number Publication Date
EP2134232A1 true EP2134232A1 (en) 2009-12-23
EP2134232B1 EP2134232B1 (en) 2014-06-18

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EP08718362.0A Active EP2134232B1 (en) 2007-04-11 2008-03-31 Water-conducting appliance having a cleaning agent feeding device

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US (1) US8381745B2 (en)
EP (1) EP2134232B1 (en)
DE (1) DE102007017117A1 (en)
WO (1) WO2008125473A1 (en)

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US20100083990A1 (en) 2010-04-08
DE102007017117A1 (en) 2008-10-30
EP2134232B1 (en) 2014-06-18
US8381745B2 (en) 2013-02-26
WO2008125473A1 (en) 2008-10-23

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