EP3172369A1 - Household appliance comprising a mist circuit for conducting an ozone-containing mist - Google Patents

Household appliance comprising a mist circuit for conducting an ozone-containing mist

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Publication number
EP3172369A1
EP3172369A1 EP15736847.3A EP15736847A EP3172369A1 EP 3172369 A1 EP3172369 A1 EP 3172369A1 EP 15736847 A EP15736847 A EP 15736847A EP 3172369 A1 EP3172369 A1 EP 3172369A1
Authority
EP
European Patent Office
Prior art keywords
mist
ozone
household appliance
chamber
water
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
EP15736847.3A
Other languages
German (de)
French (fr)
Other versions
EP3172369B1 (en
Inventor
Thorsten Klein
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
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BSH 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3172369A1 publication Critical patent/EP3172369A1/en
Application granted granted Critical
Publication of EP3172369B1 publication Critical patent/EP3172369B1/en
Active legal-status Critical Current
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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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/001—Washing machines, apparatus, or methods not otherwise provided for using ozone
    • 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
    • A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
    • A47L15/424—Arrangements to sterilize or disinfect dishes or washing liquids by using ozone
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/203—Laundry conditioning arrangements

Definitions

  • the present invention relates to a household appliance, such as a washing machine, with a mist circuit for guiding an ozone-containing mist and an ozone chamber, which comprises an ozone converter for generating ozone
  • an ozone-containing mist for treating laundry in a cycle from a laundry drum can be passed through an activated carbon filter in which the ozone contained is largely degraded.
  • the water content of the mist can pass through the activated carbon filter.
  • the mist is now continued by a fan and reaches the ozone converter, so that it is enriched with ozone and finally gets back into the drum.
  • contact of the ozone converter with the mist causes rapid aging and a reduction in the ozone generation rate due to the chemical reactions taking place.
  • the object is achieved by a household appliance having a mist circuit for guiding an ozone-containing mist with mist droplets and an ozone chamber comprising an ozone converter for generating ozone, in which the domestic appliance comprises a channel for connecting the mist circuit to the ozone chamber, comprising a separation device for separating the mist droplets.
  • the domestic appliance comprises a channel for connecting the mist circuit to the ozone chamber, comprising a separation device for separating the mist droplets.
  • a household appliance is a device that is used for household management. This may be a large household appliance, such as a washing machine, a washer-dryer, a tumble dryer, a dishwasher, a cooking appliance, a cooker hood or a refrigerator, such as a refrigerator, a freezer or a fridge freezer combination. But this can also be a small household appliance, such as a water heater, a coffee machine, a food processor or a vacuum cleaner.
  • the separating device comprises a water chamber for washing out the mist droplets.
  • the separating device comprises a diffuser for generating air bubbles in the water chamber.
  • the water chamber comprises a filling level sensor for determining a filling level in the water chamber.
  • the water chamber is connected via a communicating channel with a water chamber of a fog generator.
  • the ozone chamber comprises a fan for generating a negative pressure in the ozone chamber.
  • the fan is designed to supply the air from the ozone chamber to the mist circuit.
  • the technical advantage is achieved that the fog circulation can be enriched with ozone.
  • the household appliance comprises an air scoop for branching off a part of the fan generated Air flow in the separator.
  • the fan is an axial fan or a tangential fan.
  • the separating device comprises an air-permeable membrane which is impermeable to water.
  • the membrane is arranged vertically.
  • the technical advantage is achieved that water can escape from the membrane.
  • the separating device comprises a connecting channel for discharging water, which is arranged in front of the membrane.
  • the connecting channel is designed to direct the water into a water chamber of a fog generator.
  • a cloud chamber is arranged below the separating device.
  • the domestic appliance comprises a Venturi nozzle for feeding the mist from the mist circuit to the mist chamber.
  • FIG. 1 is a schematic view of a household appliance
  • Fig. 2 is a schematic view of an air circuit within the household appliance
  • Fig. 3 is a schematic view of a suction effect
  • Fig. 4 is a schematic view of another air circuit within the household appliance.
  • Fig. 1 shows a schematic view of a washer dryer representative of a general household appliance 100.
  • the household appliance 100 comprises a door 131 for loading the household appliance 100 with laundry. The laundry is washed inside the household appliance 100 and then dried.
  • the domestic appliance 100 comprises a pull-out dispenser bowl 133 into which different liquid substances are added, which are supplied to the laundry during the washing or drying process.
  • the dispenser tray 133 is, for example, a pull-out drawer-like plastic part with a dispenser tray.
  • the domestic appliance 100 includes a mist circuit or air flow circuit 101 for guiding an ozone-containing mist, which is used to treat the laundry inside the household appliance 100.
  • 2 shows a schematic view of a mist circuit 101 within the household appliance 100.
  • the domestic appliance 100 comprises a mist circuit 101 for guiding the mist and an ozone chamber 103, which has an ozone converter 105 for generating ozone.
  • the mist with the mist droplets is blown into the pipe 135 and sucked by the pipe 137.
  • the mist is used to treat the laundry in a laundry drum of the household appliance.
  • a channel 107 is arranged, which comprises a separator 109 for separating the mist.
  • the technical advantage of this principle is that the ozone converter 105 does not come in direct contact with fog. This allows a longer life and a higher Achieve ozone generation rate.
  • the ozone converter 105 is located in a closed space to the right of a fan 1 15.
  • the fan 1 15 causes a vacuum generation in the ozone chamber 103 and a pressure generation in the channel 107. Due to the pressure difference, there is a pressure equalization by the water in one Water chamber 1 17 takes place in the form of air bubbles. Using a diffuser can limit the size of air bubbles.
  • the ozone-containing air is now driven by means of the fan 1 15 as air flow in the direction of the mist circuit 101 to a laundry drum.
  • the fog is entrained, which is generated by a fog generator 1 13 in an adjacent fog chamber 1 1 1. This is due to the suction effect of the air flow according to the law of Bernoulli.
  • An air vane 129 serves to divert a portion of the air flow generated by the fan 1 15 in the channel 107 with the separator 109. If the channel 107 has a large cross-sectional area, resulting in a small cross-sectional area of the mist circuit 101. Accordingly, arises in the channel 107, in the the fog is filtered out, a high airflow. In the mist circuit 101, a small air flow occurs, so that the mist is not so dense and there is no deterioration of the visual fog effect. Due to the dimensions of the average surfaces of the two air ducts, the pressure conditions and the air flow of the mist can be changed in the direction of the laundry drum.
  • an axial fan or a tangential fan can be used to apply the pressure difference for generating air bubbles.
  • the level of water in the water chambers 1 17 and 1 19 can be determined and regulated directly next to the separation using a level sensor.
  • the minimum level for the fog generator 1 13 can be determined with a piezoelectric element, since a connecting channel 121 between the two water chambers 1 19 and 1 17 consists. Since the connection channel 121 at the bottom of the floor is, has the piezoelectric element of the fog generator 1 13 only a small effect on the surface movement of the water in the right water chamber 1 17. The piezoelectric element is used to generate the mist droplets.
  • Fig. 3 shows a schematic view of the fog circulation 101 from above and a suction effect according to the law of Bernoulli.
  • the air flow generated by the fan 1 15 passes by the Venturi nozzle 123, taking with it the mist from the cloud chamber 1 1 1 and the tube 137 with. Subsequently, the mist is ejected from the pipe 135.
  • the fan 1 15 of the mist circuit 101 is driven with the air circuit via the two tubes 135 and 137.
  • Fig. 4 shows a schematic view of another mist circuit 101 within the domestic appliance 100.
  • the separator 109 comprises a vertical filter or membrane 125 which is permeable to air, but not to water.
  • the membrane 125 includes, for example, micropores through which the air can penetrate, but no drops of water.
  • the water molecules contained in the mist are filtered out, so that only dry air enters the ozone chamber 103.
  • the filtered water can drain, so that no water accumulation forms, which clogs the diaphragm 125.

Abstract

The invention relates to a household appliance (100) comprising a mist circuit (101) for conducting an ozone-containing mist that includes mist droplets, and an ozone chamber (103) which includes an ozone converter (105) for producing ozone; the household appliance (100) further comprises a duct (107) for connecting the mist circuit (101) to the ozone chamber (103), said duct (107) being provided with a separation device (109) for separating the mist droplets.

Description

HAUSHALTSGERÄT MIT EINEM NEBELKREISLAUF ZUM FUHREN EINES OZONHALTIGEN NEBELS  HOUSEHOLD APPLIANCE WITH A FOG CIRCUIT FOR FUELING AN OZONE-CONTAINING FOG
Die vorliegende Erfindung betrifft ein Haushaltsgerät, wie beispielsweise eine Waschmaschine, mit einem Nebelkreislauf zum Führen eines ozonhaltigen Nebels und einer Ozonkammer, die einen Ozonwandler zum Erzeugen von Ozon umfasst The present invention relates to a household appliance, such as a washing machine, with a mist circuit for guiding an ozone-containing mist and an ozone chamber, which comprises an ozone converter for generating ozone
In Waschmaschinen kann ein ozonhaltiger Nebel zum Behandeln von Wäsche in einem Kreislauf aus einer Wäschetrommel durch einen Aktivkohlefilter geleitet werden, in dem das enthaltene Ozon größtenteils abgebaut wird. Der Wasseranteil des Nebels kann den Aktivkohlefilter passieren. Der Nebel wird nun durch einen Lüfter weitergeführt und gelangt zum Ozonwandler, so dass dieser neu mit Ozon angereichert wird und schließlich wieder zurück in die Trommel gelangt. Der Kontakt des Ozonwandlers mit dem Nebel bewirkt jedoch aufgrund der stattfindenden chemischen Reaktionen eine schnelle Alterung und eine Reduktion der Ozongenerationsrate. In washing machines, an ozone-containing mist for treating laundry in a cycle from a laundry drum can be passed through an activated carbon filter in which the ozone contained is largely degraded. The water content of the mist can pass through the activated carbon filter. The mist is now continued by a fan and reaches the ozone converter, so that it is enriched with ozone and finally gets back into the drum. However, contact of the ozone converter with the mist causes rapid aging and a reduction in the ozone generation rate due to the chemical reactions taking place.
Es ist die der Erfindung zugrundeliegende Aufgabe, ein Haushaltsgerät anzugeben, bei dem die Erzeugung von Ozon verbessert wird. It is the object underlying the invention to provide a household appliance in which the generation of ozone is improved.
Diese Aufgabe wird durch den Gegenstand mit den Merkmalen nach dem unabhängigen Anspruch gelöst. Vorteilhafte Ausführungsformen der Erfindung sind Gegenstand der Figuren, der Beschreibung und der abhängigen Ansprüche. This object is achieved by the subject matter having the features of the independent claim. Advantageous embodiments of the invention are the subject of the figures, the description and the dependent claims.
Gemäß einem Aspekt der Erfindung wird die Aufgabe durch ein Haushaltsgerät mit einem Nebelkreislauf zum Führen eines ozonhaltigen Nebels mit Nebeltröpfchen und einer Ozonkammer gelöst, die einen Ozonwandler zum Erzeugen von Ozon umfasst, bei dem das Haushaltsgerät einen Kanal zum Verbinden des Nebelkreislaufes mit der Ozonkammer umfasst, der eine Abtrenneinrichtung zum Abtrennen der Nebeltröpfchen umfasst. Dadurch wird beispielsweise der technische Vorteil erreicht, dass der Ozonwandler vor dem Kontakt mit Nebeltröpfchen geschützt ist. Dadurch kann eine längere Lebensdauer und eine höhere Ozongenerationsrate erzielt werden. According to one aspect of the invention, the object is achieved by a household appliance having a mist circuit for guiding an ozone-containing mist with mist droplets and an ozone chamber comprising an ozone converter for generating ozone, in which the domestic appliance comprises a channel for connecting the mist circuit to the ozone chamber, comprising a separation device for separating the mist droplets. As a result, for example, the technical advantage is achieved that the ozone converter is protected from contact with fog droplets. As a result, a longer life and a higher ozone generation rate can be achieved.
Unter einem Haushaltsgerät wird ein Gerät verstanden, das zur Haushaltsführung eingesetzt wird. Das kann ein Haushaltsgroßgerät sein, wie beispielsweise eine Waschmaschine, ein Waschtrockner, ein Wäschetrockner, eine Geschirrspülmaschine, ein Gargerät, eine Dunstabzugshaube oder ein Kältegerät, wie z.B. ein Kühlschrank, ein Gefrierschrank oder eine Kühlgefrierkombination. Das kann aber auch ein Haushaltskleingerät sein, wie beispielsweise ein Warmwasserbereiter, ein Kaffeevollautomat, eine Küchenmaschine oder ein Staubsauger. A household appliance is a device that is used for household management. This may be a large household appliance, such as a washing machine, a washer-dryer, a tumble dryer, a dishwasher, a cooking appliance, a cooker hood or a refrigerator, such as a refrigerator, a freezer or a fridge freezer combination. But this can also be a small household appliance, such as a water heater, a coffee machine, a food processor or a vacuum cleaner.
In einer vorteilhaften Ausführungsform des Haushaltsgerätes umfasst die Abtrenneinrichtung eine Wasserkammer zum Auswaschen der Nebeltröpfchen. Dadurch wird beispielsweise der technische Vorteil erreicht, dass die Nebeltröpfchen effizient entfernt werden kann. In an advantageous embodiment of the household appliance, the separating device comprises a water chamber for washing out the mist droplets. As a result, for example, the technical advantage is achieved that the mist droplets can be removed efficiently.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst die Abtrenneinrichtung einen Diffusor zum Erzeugen von Luftblasen in der Wasserkammer. Dadurch wird beispielsweise der technische Vorteil erreicht, dass sich eine Filterwirkung der Wasserkammer erhöht. In a further advantageous embodiment of the household appliance, the separating device comprises a diffuser for generating air bubbles in the water chamber. As a result, for example, the technical advantage is achieved that increases a filtering effect of the water chamber.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst die Wasserkammer einen Füllstandsensor zum Ermitteln eines Füllstandes in der Wasserkammer. Dadurch wird beispielsweise der technische Vorteil erreicht, dass der Füllstand in der Kammer gesteuert werden kann. In a further advantageous embodiment of the household appliance, the water chamber comprises a filling level sensor for determining a filling level in the water chamber. As a result, the technical advantage is achieved, for example, that the level in the chamber can be controlled.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes ist die Wasserkammer über einen kommunizierenden Kanal mit einer Wasserkammer eines Nebelgenerators verbunden. Dadurch wird beispielsweise der technische Vorteil erreicht, dass das herausgefilterte Wasser des Nebels wieder dem Nebelgenerator zugeführt werden kann. In a further advantageous embodiment of the household appliance, the water chamber is connected via a communicating channel with a water chamber of a fog generator. As a result, the technical advantage is achieved, for example, that the filtered-out water of the mist can be fed back to the mist generator.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst die Ozonkammer einen Lüfter zum Erzeugen eines Unterdrucks in der Ozonkammer. Dadurch wird beispielsweise der technische Vorteil erreicht, dass die Luft über den Kanal in die Ozonkammer strömt. In a further advantageous embodiment of the household appliance, the ozone chamber comprises a fan for generating a negative pressure in the ozone chamber. As a result, for example, the technical advantage is achieved that the air flows through the channel into the ozone chamber.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes ist der Lüfter ausgebildet, die Luft aus der Ozonkammer zu dem Nebelkreislauf zuzuführen. Dadurch wird beispielsweise der technische Vorteil erreicht, dass der Nebelkreislauf mit Ozon angereichert werden kann. In a further advantageous embodiment of the household appliance, the fan is designed to supply the air from the ozone chamber to the mist circuit. As a result, for example, the technical advantage is achieved that the fog circulation can be enriched with ozone.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst das Haushaltsgerät eine Luftschaufel zum Abzweigen eines Teils des vom Lüfter erzeugten Luftstroms in die Abtrenneinrichtung. Dadurch wird beispielsweise der technische Vorteil erreicht, dass Luft mit einem geringen Nebelanteil zur Abtrenneinrichtung geleitet wird. In a further advantageous embodiment of the household appliance, the household appliance comprises an air scoop for branching off a part of the fan generated Air flow in the separator. As a result, for example, the technical advantage is achieved that air is passed with a small amount of mist to the separating device.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes ist der Lüfter ein Axiallüfter oder ein Tangential-Lüfter. Dadurch wird beispielsweise der technische Vorteil erreicht, dass der Luftstrom mit einer hohen Effizienz erzeugt werden kann. In a further advantageous embodiment of the household appliance, the fan is an axial fan or a tangential fan. As a result, for example, the technical advantage is achieved that the air flow can be generated with a high efficiency.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst die Abtrenneinrichtung eine luftdurchlässige Membran, die für Wasser undurchlässig ist. Dadurch wird beispielsweise der technische Vorteil erreicht, dass die Nebeltröpfchen effizient abgetrennt werden können. In a further advantageous embodiment of the household appliance, the separating device comprises an air-permeable membrane which is impermeable to water. As a result, for example, the technical advantage is achieved that the mist droplets can be separated efficiently.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes ist die Membran vertikal angeordnet. Dadurch wird beispielsweise der technische Vorteil erreicht, dass Wasser von der Membran abließen kann. In a further advantageous embodiment of the household appliance, the membrane is arranged vertically. As a result, for example, the technical advantage is achieved that water can escape from the membrane.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst die Abtrenneinrichtung einen Verbindungskanal zum Ableiten von Wasser, der vor der Membran angeordnet ist. Dadurch wird beispielsweise der technische Vorteil erreicht, dass eine Verstopfung der Membran verhindert wird. In a further advantageous embodiment of the household appliance, the separating device comprises a connecting channel for discharging water, which is arranged in front of the membrane. As a result, for example, the technical advantage is achieved that a blockage of the membrane is prevented.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes ist der Verbindungskanal ausgebildet, das Wasser in eine Wasserkammer eines Nebelgenerators zu leiten. Dadurch wird beispielsweise der technische Vorteil erreicht, dass das Wasser des Nebels wiederverwendet werden kann. In a further advantageous embodiment of the household appliance, the connecting channel is designed to direct the water into a water chamber of a fog generator. As a result, for example, the technical advantage is achieved that the water of the mist can be reused.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes ist eine Nebelkammer unterhalb der Abtrenneinrichtung angeordnet. Dadurch wird beispielsweise der technische Vorteil erreicht, dass das Wasser mittels der Schwerkraft zu der Wasserkammer des Nebelgenerators zugeführt werden kann. In a further advantageous embodiment of the household appliance, a cloud chamber is arranged below the separating device. As a result, for example, the technical advantage is achieved that the water can be supplied by gravity to the water chamber of the fog generator.
In einer weiteren vorteilhaften Ausführungsform des Haushaltsgerätes umfasst das Haushaltsgerät eine Venturi-Düse zum Zuführen des Nebels aus dem Nebelkreislauf zu der Nebelkammer. Dadurch wird beispielsweise der technische Vorteil erreicht, dass der Nebel dem Nebelkreislauf effizient zugeführt werden kann. Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben. In a further advantageous embodiment of the domestic appliance, the domestic appliance comprises a Venturi nozzle for feeding the mist from the mist circuit to the mist chamber. As a result, for example, the technical advantage is achieved that the mist can be supplied to the fog circulation efficiently. Embodiments of the invention are illustrated in the drawings and will be described in more detail below.
Es zeigen: Fig. 1 eine schematische Ansicht eines Haushaltsgerätes; FIG. 1 is a schematic view of a household appliance; FIG.
Fig. 2 eine schematische Ansicht eines Luftstromkreises innerhalb des Haushaltsgerätes; Fig. 3 eine schematische Ansicht einer Sogwirkung; und Fig. 2 is a schematic view of an air circuit within the household appliance; Fig. 3 is a schematic view of a suction effect; and
Fig. 4 eine schematische Ansicht eines weiteren Luftstromkreises innerhalb des Haushaltsgerätes. Fig. 4 is a schematic view of another air circuit within the household appliance.
Fig. 1 zeigt eine schematische Ansicht eines Waschtrockners stellvertretend für ein allgemeines Haushaltsgerät 100. Das Haushaltgerät 100 umfasst eine Gerätetür 131 zum Beladen des Haushaltgerätes 100 mit Wäsche. Die Wäsche wird im Inneren des Haushaltsgerätes 100 gewaschen und anschließend getrocknet. Das Haushaltsgerät 100 umfasst eine herausziehbare Einspülschale 133, in die unterschiedliche flüssige Substanzen eingegeben werden, die während dem Wasch- oder Trocknungsprozess zu der Wäsche zugeführt werden. Die Einspülschale 133 ist beispielsweise ein herausziehbares schubladenartiges Kunststoffteil mit einer Einspülwanne. Das Haushaltgerät 100 umfasst einen Nebelkreislauf oder Luftstromkreislauf 101 zum Führen eines ozonhaltigen Nebels, der zur Behandlung der Wäsche im Inneren des Haushaltsgerätes 100 eingesetzt wird. Fig. 2 zeigt eine schematische Ansicht eines Nebelkreislaufes 101 innerhalb des Haushaltsgerätes 100. Das Haushaltsgerät 100 umfasst einen Nebelkreislauf 101 zum Führen des Nebels und eine Ozonkammer 103, die einen Ozonwandler 105 zum Erzeugen von Ozon aufweist. Der Nebel mit den Nebeltröpfchen wird in das Rohr 135 ausgeblasen und von dem Rohr 137 angesaugt. Der Nebel dient zum Behandeln der Wäsche in einer Wäschetrommel des Haushaltsgerätes. Zwischen dem Nebelkreislauf 101 und der Ozonkammer 103 ist ein Kanal 107 angeordnet, der eine Abtrenneinrichtung 109 zum Abtrennen des Nebels umfasst. Fig. 1 shows a schematic view of a washer dryer representative of a general household appliance 100. The household appliance 100 comprises a door 131 for loading the household appliance 100 with laundry. The laundry is washed inside the household appliance 100 and then dried. The domestic appliance 100 comprises a pull-out dispenser bowl 133 into which different liquid substances are added, which are supplied to the laundry during the washing or drying process. The dispenser tray 133 is, for example, a pull-out drawer-like plastic part with a dispenser tray. The domestic appliance 100 includes a mist circuit or air flow circuit 101 for guiding an ozone-containing mist, which is used to treat the laundry inside the household appliance 100. 2 shows a schematic view of a mist circuit 101 within the household appliance 100. The domestic appliance 100 comprises a mist circuit 101 for guiding the mist and an ozone chamber 103, which has an ozone converter 105 for generating ozone. The mist with the mist droplets is blown into the pipe 135 and sucked by the pipe 137. The mist is used to treat the laundry in a laundry drum of the household appliance. Between the mist circuit 101 and the ozone chamber 103, a channel 107 is arranged, which comprises a separator 109 for separating the mist.
Der technische Vorteil dieses Prinzips liegt darin, dass der Ozonwandler 105 nicht in direkten Kontakt mit Nebel kommt. Dadurch lassen sich eine längere Lebensdauer und eine höhere Ozongenerationsrate erzielen. Der Ozonwandler 105 befindet sich in einem geschlossenen Raum rechts von einem Lüfter 1 15. Der Lüfter 1 15 bewirkt eine Unterdruckerzeugung in der Ozonkammer 103 und eine Druckerzeugung in dem Kanal 107. Aufgrund der Druckdifferenz kommt es zu einem Druckausgleich, der durch das Wasser in einer Wasserkammer 1 17 in Form von Luftblasen stattfindet. Mithilfe eines Diffusors kann eine Größe von Luftblasen begrenzt werden. The technical advantage of this principle is that the ozone converter 105 does not come in direct contact with fog. This allows a longer life and a higher Achieve ozone generation rate. The ozone converter 105 is located in a closed space to the right of a fan 1 15. The fan 1 15 causes a vacuum generation in the ozone chamber 103 and a pressure generation in the channel 107. Due to the pressure difference, there is a pressure equalization by the water in one Water chamber 1 17 takes place in the form of air bubbles. Using a diffuser can limit the size of air bubbles.
Bei der Durchleitung des Nebels durch die Wasserkammer 1 17 kommt es zu einer Auflösung des Nebels und Filterung innerhalb des Wassers. Dadurch gelangt trockene und nebelfreie Luft in die Ozonkammer 103, in der die Luft vom Ozonwandler 105 mit Ozon angereichert wird. In dieser Luft befinden sich nur noch wenige Wassertropfen im Vergleich zum Nebel. In the passage of the mist through the water chamber 1 17 there is a resolution of the mist and filtering within the water. As a result, dry and mist-free air enters the ozone chamber 103, in which the air from the ozone converter 105 is enriched with ozone. There are only a few drops of water in this air compared to fog.
Die ozonhaltige Luft wird nun mithilfe des Lüfters 1 15 als Luftstrom in Richtung des Nebelkreislaufes 101 zu einer Wäschetrommel getrieben. Auf diesem Weg wird der Nebel mitgerissen, der von einem Nebelgenerator 1 13 in einer benachbarten Nebelkammer 1 1 1 erzeugt wird. Dies geschieht aufgrund der Sogwirkung des Luftstroms nach dem Gesetz von Bernoulli. The ozone-containing air is now driven by means of the fan 1 15 as air flow in the direction of the mist circuit 101 to a laundry drum. In this way, the fog is entrained, which is generated by a fog generator 1 13 in an adjacent fog chamber 1 1 1. This is due to the suction effect of the air flow according to the law of Bernoulli.
Mithilfe des Querschnittes des Kanals 107 lässt sich auch der Luftstrom steuern, mit dem der Nebel in die Wäschetrommel transportiert wird. Eine Luftschaufel 129 dient zum Abzweigen eines Teils des vom Lüfter 1 15 erzeugten Luftstroms in den Kanal 107 mit der Abtrenneinrichtung 109. Weist der Kanal 107 eine große Querschnittsfläche auf, resultiert eine kleine Querschnittsfläche des Nebelkreislaufs 101. Dementsprechend entsteht in dem Kanal 107, in dem der Nebel herausgefiltert wird, ein hoher Luftstrom. Im Nebelkreislauf 101 tritt ein geringer Luftstrom auf, so dass der Nebel nicht so dicht ist und keine Beeinträchtigung des visuellen Nebeleffekts erfolgt. Durch die Abmessungen der Durchschnittsflächen der beiden Luftkanäle können die Druckverhältnisse und der Luftstrom des Nebels in Richtung zu der Wäschetrommel verändert werden. By means of the cross section of the channel 107, it is also possible to control the air flow with which the mist is transported into the laundry drum. An air vane 129 serves to divert a portion of the air flow generated by the fan 1 15 in the channel 107 with the separator 109. If the channel 107 has a large cross-sectional area, resulting in a small cross-sectional area of the mist circuit 101. Accordingly, arises in the channel 107, in the the fog is filtered out, a high airflow. In the mist circuit 101, a small air flow occurs, so that the mist is not so dense and there is no deterioration of the visual fog effect. Due to the dimensions of the average surfaces of the two air ducts, the pressure conditions and the air flow of the mist can be changed in the direction of the laundry drum.
Als Lüfter 1 15 kann je nach Anforderung ein Axiallüfter oder ein Tangentiallüfter verwendet werden, um die Druckdifferenz zum Erzeugen von Luftblasen aufzubringen. Der Füllstand des Wassers in den Wasserkammern 1 17 und 1 19 kann direkt neben der Abtrennung mithilfe eines Füllstandssensors ermittelt und reguliert werden. Zudem kann durch den Füllstandssensor der minimale Füllstand für den Nebelgenerator 1 13 mit einem Piezoelement ermittelt werden, da ein Verbindungskanal 121 zwischen den beiden Wasserkammern 1 19 und 1 17 besteht. Da sich der Verbindungskanal 121 unten am Boden befindet, hat das Piezoelement des Nebelgenerators 1 13 nur einen geringen Einfluss auf die Oberflächenbewegung des Wassers in der rechten Wasserkammer 1 17. Das Piezoelement dient zum Erzeugen der Nebeltröpfchen. As fan 1 15, depending on the requirement, an axial fan or a tangential fan can be used to apply the pressure difference for generating air bubbles. The level of water in the water chambers 1 17 and 1 19 can be determined and regulated directly next to the separation using a level sensor. In addition, by the level sensor, the minimum level for the fog generator 1 13 can be determined with a piezoelectric element, since a connecting channel 121 between the two water chambers 1 19 and 1 17 consists. Since the connection channel 121 at the bottom of the floor is, has the piezoelectric element of the fog generator 1 13 only a small effect on the surface movement of the water in the right water chamber 1 17. The piezoelectric element is used to generate the mist droplets.
Fig. 3 zeigt eine schematische Ansicht der Nebelkreislaufes 101 von Oben und eine Sogwirkung nach dem Gesetz von Bernoulli. Der von dem Lüfter 1 15 erzeugte Luftstrom zieht an der Venturi-Düse 123 vorbei und nimmt dabei den Nebel aus der Nebelkammer 1 1 1 und dem Rohr 137 mit. Anschließend wird der Nebel aus dem Rohr 135 ausgestoßen. Durch den Lüfter 1 15 wird der Nebelkreislauf 101 mit dem Luftstromkreis über die beiden Rohre 135 und 137 angetrieben. Fig. 3 shows a schematic view of the fog circulation 101 from above and a suction effect according to the law of Bernoulli. The air flow generated by the fan 1 15 passes by the Venturi nozzle 123, taking with it the mist from the cloud chamber 1 1 1 and the tube 137 with. Subsequently, the mist is ejected from the pipe 135. By the fan 1 15 of the mist circuit 101 is driven with the air circuit via the two tubes 135 and 137.
Fig. 4 zeigt eine schematische Ansicht eines weiteren Nebelkreislaufs 101 innerhalb des Haushaltsgerätes 100. Die Abtrenneinrichtung 109 umfasst einen vertikalen Filter oder eine Membran 125, die für Luft durchlässig ist, jedoch nicht für Wasser. Die Membran 125 umfasst beispielsweise Mikroporen, durch die die Luft dingen kann, jedoch keine Wassertropfen. Fig. 4 shows a schematic view of another mist circuit 101 within the domestic appliance 100. The separator 109 comprises a vertical filter or membrane 125 which is permeable to air, but not to water. The membrane 125 includes, for example, micropores through which the air can penetrate, but no drops of water.
An der Membran 125 werden die im Nebel enthaltenen Wassermoleküle herausgefiltert, sodass in die Ozonkammer 103 nur trockene Luft gelangt. Durch den Verbindungskanal 127 zwischen dem Kanal 107 und einer Wasserkammer 1 19 der Nebelkammer 1 1 1 kann das gefilterte Wasser ablaufen, sodass sich keine Wasseransammlung bildet, die die Membran 125 verstopft. At the membrane 125, the water molecules contained in the mist are filtered out, so that only dry air enters the ozone chamber 103. Through the connecting channel 127 between the channel 107 and a water chamber 1 19 of the mist chamber 1 1 1, the filtered water can drain, so that no water accumulation forms, which clogs the diaphragm 125.
Alle in Verbindung mit einzelnen Ausführungsformen der Erfindung erläuterten und gezeigten Merkmale können in unterschiedlicher Kombination in dem erfindungsgemäßen Gegenstand vorgesehen sein, um gleichzeitig deren vorteilhafte Wirkungen zu realisieren. All features explained and shown in connection with individual embodiments of the invention may be provided in different combinations in the article according to the invention, in order to simultaneously realize their advantageous effects.
Der Schutzbereich der vorliegenden Erfindung ist durch die Ansprüche gegeben und wird durch die in der Beschreibung erläuterten oder den Figuren gezeigten Merkmale nicht beschränkt. BEZUGSZEICHENLISTE The scope of the present invention is given by the claims and is not limited by the features illustrated in the description or shown in the figures. LIST OF REFERENCE NUMBERS
100 Haushaltsgerät100 home appliance
101 Nebelkreislauf101 fog circulation
103 Ozonkammer103 ozone chamber
105 Ozonwandler105 ozone converters
107 Kanal 107 channel
109 Abtrenneinrichtung 109 separating device
11 1 Nebelkammer11 1 cloud chamber
1 13 Nebelgenerator1 13 fog generator
1 15 Lüfter 1 15 fans
1 17 Wasserkammer 1 17 water chamber
1 19 Wasserkammer1 19 water chamber
121 Verbindungskanal121 connection channel
123 Venturi-Düse123 Venturi nozzle
125 Membran 125 membrane
127 Verbindungskanal 127 connection channel
129 Luftschaufel129 air scoop
131 Gerätetür131 appliance door
133 Einspülschale133 Einspülschale
135 Rohr 135 pipe
137 Rohr  137 pipe

Claims

PATENTANSPRÜCHE
Haushaltsgerät (100) mit einem Nebelkreislauf (101 ) zum Führen eines ozonhaltigen Nebels mit Nebeltröpfchen und einer Ozonkammer (103), die einen Ozonwandler (105) zum Erzeugen von Ozon umfasst dadurch gekennzeichnet, dass das Haushaltsgerät (100) einen Kanal (107) zum Verbinden des Nebelkreislaufes (101 ) mit der Ozonkammer (103) umfasst, der eine Abtrenneinrichtung (109) zum Abtrennen der Nebeltröpfchen umfasst. A household appliance (100) having a mist circuit (101) for guiding an ozone-containing mist with mist droplets and an ozone chamber (103) comprising an ozone converter (105) for generating ozone, characterized in that the domestic appliance (100) has a channel (107) for Connecting the mist circuit (101) with the ozone chamber (103) comprising a separation device (109) for separating the mist droplets.
Haushaltsgerät (100) nach Anspruch 1 , dadurch gekennzeichnet, dass die Abtrenneinrichtung (109) eine Wasserkammer (1 17) zum Auswaschen der Nebeltröpfchen umfasst. Domestic appliance (100) according to claim 1, characterized in that the separating device (109) comprises a water chamber (1 17) for washing out the mist droplets.
Haushaltsgerät (100) nach Anspruch 2, dadurch gekennzeichnet, dass die Abtrenneinrichtung (109) einen Diffusor zum Erzeugen von Luftblasen in der Wasserkammer (1 17) umfasst. Domestic appliance (100) according to claim 2, characterized in that the separating device (109) comprises a diffuser for generating air bubbles in the water chamber (1 17).
Haushaltsgerät (100) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass dieDomestic appliance (100) according to claim 2 or 3, characterized in that the
Wasserkammer (1 17) einen Füllstandsensor zum Ermitteln eines Füllstandes in der Wasserkammer umfasst. Water chamber (1 17) comprises a level sensor for determining a level in the water chamber.
Haushaltsgerät (100) nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Wasserkammer (109) über einen kommunizierenden Verbindungskanal (121 ) mit einer Wasserkammer (1 19) eines Nebelgenerators (1 13) verbunden ist Domestic appliance (100) according to one of claims 2 to 4, characterized in that the water chamber (109) via a communicating connection channel (121) with a water chamber (1 19) of a fog generator (1 13) is connected
Haushaltsgerät (100) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Ozonkammer (103) einen Lüfter (1 15) zum Erzeugen eines Unterdrucks in der Ozonkammer (103) umfasst. Domestic appliance (100) according to one of the preceding claims, characterized in that the ozone chamber (103) comprises a fan (1 15) for generating a negative pressure in the ozone chamber (103).
Haushaltsgerät (100) nach Anspruch 6, dadurch gekennzeichnet, dass der Lüfter (1 15) ausgebildet ist, die Luft aus der Ozonkammer (103) zu dem Nebelkreislauf (101 ) zuzuführen. Domestic appliance (100) according to claim 6, characterized in that the fan (1 15) is adapted to supply the air from the ozone chamber (103) to the mist circuit (101).
8. Haushaltsgerät (100) nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass das8. Household appliance (100) according to claim 6 or 7, characterized in that the
Haushaltsgerät (100) eine Luftschaufel (129) zum Abzweigen eines Teils des vom Lüfter erzeugten Luftstroms in die Abtrenneinrichtung (109) umfasst. Household appliance (100) comprises an air vane (129) for diverting a portion of the air flow generated by the fan in the separating device (109).
9. Haushaltsgerät (100) nach einem der Ansprüche, dadurch gekennzeichnet, dass der Lüfter (1 15) ein Axiallüfter oder ein Tangential-Lüfter ist. 9. Household appliance (100) according to any one of claims, characterized in that the fan (1 15) is an axial fan or a tangential fan.
10. Haushaltsgerät (100) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Abtrenneinrichtung (109) eine luftdurchlässige Membran (125) umfasst, die für Wasser undurchlässig ist. 10. Household appliance (100) according to one of the preceding claims, characterized in that the separating device (109) comprises an air-permeable membrane (125) which is impermeable to water.
1 1 . Haushaltsgerät (100) nach Anspruch 10, dadurch gekennzeichnet, dass die Membran (125) vertikal angeordnet ist. 1 1. Domestic appliance (100) according to claim 10, characterized in that the membrane (125) is arranged vertically.
12. Haushaltsgerät (100) nach Anspruch 10 oder 1 1 , dadurch gekennzeichnet, dass die Abtrenneinrichtung (109) einen Verbindungskanal (127) zum Ableiten von Wasser umfasst, der vor der Membran (125) angeordnet ist. 12. Household appliance (100) according to claim 10 or 1 1, characterized in that the separating device (109) comprises a connecting channel (127) for discharging water, which is arranged in front of the membrane (125).
13. Haushaltsgerät (100) nach Anspruch 12, dadurch gekennzeichnet, dass der13. Household appliance (100) according to claim 12, characterized in that the
Verbindungskanal (127) ausgebildet ist, das Wasser in eine Wasserkammer (1 19) eines Nebelgenerators (1 13) zu leiten. Connecting channel (127) is adapted to direct the water into a water chamber (1 19) of a fog generator (1 13).
14. Haushaltsgerät (100) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eine Nebelkammer (1 1 1 ) unterhalb der Abtrenneinrichtung (109) angeordnet ist. 14. Household appliance (100) according to one of the preceding claims, characterized in that a mist chamber (1 1 1) below the separating device (109) is arranged.
15. Haushaltsgerät (100) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Haushaltsgerät (100) eine Venturi-Düse (123) zum Zuführen des Nebels aus dem Nebelkreislauf (101 ) in die Nebelkammer (1 1 1 ) umfasst. 15. Household appliance (100) according to any one of the preceding claims, characterized in that the household appliance (100) comprises a Venturi nozzle (123) for feeding the mist from the mist circuit (101) into the mist chamber (1 1 1).
EP15736847.3A 2014-07-23 2015-07-17 Household appliance comprising a mist circuit for conducting an ozone-containing mist Active EP3172369B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014214347.0A DE102014214347B3 (en) 2014-07-23 2014-07-23 household appliance
PCT/EP2015/066471 WO2016012377A1 (en) 2014-07-23 2015-07-17 Household appliance comprising a mist circuit for conducting an ozone-containing mist

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EP3172369A1 true EP3172369A1 (en) 2017-05-31
EP3172369B1 EP3172369B1 (en) 2019-04-10

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EP (1) EP3172369B1 (en)
CN (1) CN106536808B (en)
DE (1) DE102014214347B3 (en)
WO (1) WO2016012377A1 (en)

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CN108421656A (en) * 2018-03-26 2018-08-21 广州纯水健康科技有限公司 A kind of nanometer of mist generation device

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US20070051245A1 (en) * 2005-02-03 2007-03-08 Jangshik Yun Wet type air purification apparatus utilizing a centrifugal impeller
DE102010038620A1 (en) * 2010-07-29 2012-02-02 BSH Bosch und Siemens Hausgeräte GmbH Domestic appliance with an ozone generator
DE102011089122A1 (en) * 2011-12-20 2013-06-20 BSH Bosch und Siemens Hausgeräte GmbH Household appliance with a mist source and a circulation circuit for the media
DE102012207978A1 (en) * 2012-05-14 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting household appliance with a mist-generating device
CN102698571B (en) * 2012-05-24 2014-07-02 北京金嘉信商贸有限公司 Moisture filter
DE102012209823A1 (en) * 2012-06-12 2013-12-12 BSH Bosch und Siemens Hausgeräte GmbH Domestic appliance with a generator, in particular an ozone generator, and a filter device
CN203360086U (en) * 2013-07-11 2013-12-25 惠觅宙 Ozone gas-liquid exchange device and water purification and disinfection device applying same
CN103785265A (en) * 2014-02-24 2014-05-14 深圳市泓耀环保有限公司 Novel indoor air purification device

Also Published As

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EP3172369B1 (en) 2019-04-10
CN106536808A (en) 2017-03-22
DE102014214347B3 (en) 2015-09-10
WO2016012377A1 (en) 2016-01-28
CN106536808B (en) 2019-07-16

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