EP2946715B1 - Dishwasher comprising a sorption drying device - Google Patents
Dishwasher comprising a sorption drying device Download PDFInfo
- Publication number
- EP2946715B1 EP2946715B1 EP15168184.8A EP15168184A EP2946715B1 EP 2946715 B1 EP2946715 B1 EP 2946715B1 EP 15168184 A EP15168184 A EP 15168184A EP 2946715 B1 EP2946715 B1 EP 2946715B1
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- European Patent Office
- Prior art keywords
- sorption column
- heater
- housing
- dishwasher according
- air
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- 238000001179 sorption measurement Methods 0.000 title claims description 76
- 238000001035 drying Methods 0.000 title claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 17
- 238000003795 desorption Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- 238000004851 dishwashing Methods 0.000 claims 1
- 238000013021 overheating Methods 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
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
- A47L15/48—Drying arrangements
-
- 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
- A47L15/48—Drying arrangements
- A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith
Definitions
- the invention relates to a dishwasher with a rinsing container and devices for rinsing crockery by means of rinsing liquor and with a Sorptionstrockenvorraum which is air-conductively connected to the rinsing by air circulated in a flow direction and a heater, a fan and a sorption column with reversibly dehydrierbarem material, wherein the sorption column is arranged in a housing with an air inlet and an air outlet.
- a device for drying dishes in a domestic dishwasher in which the rinse liquor by an outside of the Rinsing container arranged heaters, preferably an electric water heater is heated, wherein a largely closed drying system is provided in which air circulates from the washing through a regenerable by heating drying device and from this back into the washing.
- the drying device consists of a dry container in thermal contact with the heater, which is filled with a moisture adsorbing desiccant.
- the connection of the drying container with the heater already present for heating the rinsing liquor results in an immediate operational readiness of the drying apparatus after the rinsing process has ended.
- the desiccant is hereby placed at least partly as a jacket around the heating elements of the heater, so that the desiccant can be heated in the drying container during each heating process and thus dried.
- the desorption is time consuming and can also lead to local overheating of the desiccant and thus to its irreversible damage.
- the desorption is also difficult because the heater is located in the center of the double-walled hollow cylinder and a radial propagation of the heat to the desiccant close to the outer hollow cylinder wall is hardly possible due to the axially flowing air flow.
- the heater and the air inlet are arranged at least partially overlapping.
- the degree of overlap between the heater and the air inlet of the housing of the sorption column is determined essentially by the type and the power available from a heater.
- the heater in the immediate vicinity of the air inlet of the sorption column inside the housing of the sorption column.
- the blower can be arranged as an axial blower in front of the inlet of the housing of the sorption column.
- the fan is arranged as a radial fan laterally of the inlet of the housing of the sorption column.
- the heater used for desorption can be designed as a wire heater, as a tubular heater, as a ceramic heater or in PTC technology.
- the heater is integrated into the fan housing. This can be particularly easily realized, especially when using a heater in PTC technology, since the resistance layer or layers can be applied to the inside of the housing. Another advantage of using a PTC heater is the ease of fabrication since the layers can be applied by a printing process. Furthermore, the heating power regulates itself over the prevailing temperatures in the heating sections by itself, so that overheating is excluded by principle. By appropriate arrangement or interconnection of individual layer sections, moreover, a heater with several heating powers can be realized.
- blower, the heater and the housing of the sorption column are formed as a unit, so that there is an overall compact Sorptionstrockenvorraum.
- the heater 6 designed as a wire heater is arranged at least partially with the air inlet 13 overlapping outside of the air inlet of the sorption column. Contrary to the drawing, the wire heater could be formed completely overlapping below the air inlet 13. How big the wire heater is made and which part of the air intake covers it depends essentially on the power dissipated by the wire heater. Due to the outside, but in close proximity to the air inlet 13, arranged heater 6, there is the effect that the air routed through the heater away until the entry into the Sorptioskolonne 3 can not or at least not significantly cool, so that an effective heat and Desorption of reversibly dehydratable material is ensured. On the other hand - with possibly too high power output of the heater - no local overheating of reversibly dehydratable material occur.
Landscapes
- Washing And Drying Of Tableware (AREA)
Description
Die Erfindung betrifft eine Geschirrspülmaschine mit einem Spülbehälter und Vorrichtungen zum Spülen von Geschirr mittels Spülflotte sowie mit einer Sorptionstrockenvorrichtung, die mit dem Spülbehälter durch in eine Strömungsrichtung umgewälzte Luft luftleitend verbunden ist und eine Heizung, ein Gebläse sowie eine Sorptionskolonne mit reversibel dehydrierbarem Material aufweist, wobei die Sorptionskolonne in einem Gehäuse mit einem Lufteinlass und einem Luftauslass angeordnet ist.The invention relates to a dishwasher with a rinsing container and devices for rinsing crockery by means of rinsing liquor and with a Sorptionstrockenvorrichtung which is air-conductively connected to the rinsing by air circulated in a flow direction and a heater, a fan and a sorption column with reversibly dehydrierbarem material, wherein the sorption column is arranged in a housing with an air inlet and an air outlet.
Z.B. aus der
Weiterhin ist aus der
Gemäß der
Aus der
Der Trockenbehälter ist als doppelwandiger Hohlzylinder ausgeformt, in welchen das Trockenmaterial eingelagert ist. Die Anordnung der Einlass- und Auslassöffnung zum Anschluss an das geschlossene Luftsystem erfolgt in diagonal gegenüberliegender Anordnung. Hieraus ergibt sich der Nachteil eines verhältnismäßig hohen Strömungswiderstands, so dass das zur Förderung des Luftstroms vorgesehene Gebläse mit sehr hoher Leistung betrieben werden muss. Dies macht sich negativ hinsichtlich der Geräuschentwicklung und hinsichtlich des Energieverbrauchs bemerkbar.The drying container is formed as a double-walled hollow cylinder, in which the dry material is stored. The arrangement of the inlet and outlet ports for connection to the closed air system takes place in a diagonally opposite arrangement. This results in the disadvantage of a relatively high flow resistance, so that the fan provided for the promotion of the air flow must be operated with very high power. This is negative in terms of noise and energy consumption noticeable.
Aufgrund der konstruktiven Ausgestaltung der Sorptionstrockenvorrichtung, welche eine inhomogene Wärmeeinleitung in das Trockenmaterial bedingt, ist die Desorption zeitaufwendig und kann darüber hinaus zu lokalen Überhitzungen des Trockenmittels und damit zu dessen irreversibler Schädigung führen. Die Desorption ist auch deshalb schwierig, da der Erhitzer im Zentrum des doppelwandigen Hohlzylinders angeordnet ist und eine radiale Ausbreitung der Hitze zu dem nahe der äußeren Hohlzylinderwand gelegenen Trocknungsmittel aufgrund des axial vorbeiströmenden Luftstroms kaum möglich ist.Due to the structural design of the Sorptionstrockenvorrichtung, which causes an inhomogeneous heat input into the dry material, the desorption is time consuming and can also lead to local overheating of the desiccant and thus to its irreversible damage. The desorption is also difficult because the heater is located in the center of the double-walled hollow cylinder and a radial propagation of the heat to the desiccant close to the outer hollow cylinder wall is hardly possible due to the axially flowing air flow.
Die Aufgabe der vorliegenden Erfindung besteht deshalb darin, eine Geschirrspülmaschine bereitzustellen, bei welcher das in einer Sorptionstrockenvorrichtung enthaltene Trockenmaterial zum Zwecke der Desorption gleichmäßig erwärmbar ist.The object of the present invention is therefore to provide a dishwasher in which the dry material contained in a Sorptionstrockenvorrichtung is evenly heated for the purpose of desorption.
Diese Aufgabe wird erfindungsgemäß mit einer Geschirrspülmaschine gemäß den Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den abhängigen Patentansprüchen.This object is achieved with a dishwasher according to the features of
Bei der erfindungsgemäßen Geschirrspülmaschine mit einem Spülbehälter und Vorrichtungen zum Spülen von Geschirr mittels Spülflotte sowie mit einer Sorptionstrockenvorrichtung, die mit dem Spülbehälter durch umgewälzte Luft luftleitend verbunden ist und eine Heizung, ein Gebläse sowie eine Sorptionskolonne mit reversibel dehydrierbarem Material aufweist, ist die Sorptionskolonne in einem Gehäuse mit einem Lufteinlass und einem Luftauslass angeordnet, wobei die Heizung in Strömungsrichtung der Luft vor dem Lufteinlass angeordnet ist. Dadurch wird gleichmäßig erwärmte Luft in die Sorptionskolonne eingeleitet. Erfindungsgemäß ist die Höhe der Sorptionskolonne kleiner als die größte Breite oder der Durchmesser von Grund- und Deckfläche der Sorptionskolonne, so dass die von der Luftströmung zu durchströmende Länge geringer als die größte Breite oder der Durchmesser von Grund- und Deckfläche ist.In the dishwasher according to the invention with a rinsing container and devices for rinsing dishes by rinsing liquor and with a Sorptionstrockenvorrichtung, which is air-conductively connected to the rinse tank by circulating air and has a heater, a fan and a sorbent column with reversibly dehydratable material, the sorbent is in one Housing arranged with an air inlet and an air outlet, wherein the heater is arranged in the flow direction of the air in front of the air inlet. As a result, evenly heated air is introduced into the sorption column. According to the invention, the height of the sorption column is smaller than the greatest width or the diameter of the base and top surfaces of the sorption column, so that the length to be flowed through by the air flow is less than the greatest width or the diameter of the base and top surfaces.
In einer bevorzugten Ausgestaltung ist die Heizung im Bereich des Lufteinlass der Sorptionskolonne, d. h. in unmittelbarer räumlicher Nähe des Lufteinlasses, angeordnet. Der Vorteil dieser Vorgehensweise besteht darin, dass die Erhitzung der Luft am Eingang der Sorptionskolonne, vorzugsweise außerhalb davon, erfolgt, wodurch dieser gleichmäßig heiße Luft zugeführt wird und diese heiße Luft durch die Sorptionskolonne durchgeleitet wird. Eine Überhitzung des reversibel dehydrierbaren Materials der Sorptionskolonne während der Desorption ist dabei ausgeschlossen. Dies gilt insbesondere dann, wenn die Heizung außerhalb des Gehäuses angeordnet ist. Aufgrund der unmittelbaren räumlichen Nähe der Heizung zu dem Lufteinlass der Sorptionskolonne ist weiterhin gewährleistet, dass die zur Erwärmung des Luftstroms aufgewendete Energie mit bestmöglichem Wirkungsgrad an das reversibel dehydrierbare Material weitergegeben werden kann, da eine Erkaltung des Luftstroms aufgrund der unmittelbaren räumlichen Nähe vermieden wird.In a preferred embodiment, the heating in the region of the air inlet of the sorption column, d. H. in the immediate vicinity of the air inlet, arranged. The advantage of this procedure is that the air is heated at the inlet of the sorption column, preferably outside of it, whereby this uniformly hot air is supplied and this hot air is passed through the sorption column. Overheating of the reversibly dehydratable material of the sorption column during desorption is excluded. This is especially true when the heater is located outside the housing. Due to the immediate spatial proximity of the heater to the air inlet of the sorption column is further ensured that the energy used to heat the air flow energy can be passed to the reversibly dehydratable material with the best possible efficiency, since a cooling of the air flow due to the immediate proximity is avoided.
In einer bevorzugten Ausgestaltung weist das Gehäuse eine den Lufteinlass aufweisende Grundfläche und eine den Luftauslass aufweisende Deckfläche auf. Hierdurch ist mit Vorteil ein geringer Strömungswiderstand innerhalb der Sorptionskolonne gewährleistet, da die Luft "gerade" durch das Gehäuse der Sorptionskolonne leitbar ist.In a preferred embodiment, the housing has a base area having the air inlet and a cover area having the air outlet. This is with Advantage ensures a low flow resistance within the sorption column, since the air is "straight" through the housing of the sorption column can be conducted.
In einer weiteren zweckmäßigen Ausgestaltung sind die Grundfläche und/oder die Deckfläche zumindest bereichsweise als Sieb ausgebildet, so dass der Lufteinlass und/oder der Luftauslass durch die Siebfläche gebildet ist bzw. sind. Neben einer Fixierung des reversibel dehydrierbaren Materials innerhalb der Sorptionskolonne kann hierdurch der Strömungswiderstand des durch die Sorptionskolonne geleiteten Luftstromes gering gehalten werden.In a further expedient embodiment, the base surface and / or the top surface are at least partially formed as a sieve, so that the air inlet and / or the air outlet is or are formed by the sieve surface. In addition to a fixation of the reversibly dehydratable material within the sorption column, the flow resistance of the air stream guided through the sorption column can be kept low as a result.
In einer weiteren zweckmäßigen Ausgestaltung sind die Heizung und der Lufteinlass sich zumindest teilweise überdeckend angeordnet. Der Überdeckungsgrad zwischen Heizung und Lufteinlass des Gehäuses der Sorptionskolonne wird dabei im wesentlichen durch die Bauart sowie die von einer Heizung zur Verfügung stellbare Leistung bestimmt.In a further expedient embodiment, the heater and the air inlet are arranged at least partially overlapping. The degree of overlap between the heater and the air inlet of the housing of the sorption column is determined essentially by the type and the power available from a heater.
Es kann gemäß einer anderen Ausgestaltung vorgesehen sein, die Heizung in unmittelbarer räumlicher Nähe zu dem Lufteinlass der Sorptionskolonne im Inneren des Gehäuses der Sorptionskolonne anzuordnen. Zur Vermeidung von lokalen Überhitzungen ist es hierbei vorteilhaft, die Heizung mit einer möglichst großen Oberfläche innerhalb der Sorptionskolonne anzuordnen, wobei die spezifische Leistung pro Fläche derart gering bemessen werden kann, dass lokale Überhitzungen an dem reversibel dehydrierbaren Material nicht auftreten können.It may be provided according to another embodiment, to arrange the heater in the immediate vicinity of the air inlet of the sorption column inside the housing of the sorption column. To avoid local overheating, it is advantageous in this case to arrange the heater with the largest possible surface area within the sorption column, wherein the specific power per area can be dimensioned so small that local overheating of the reversibly dehydratable material can not occur.
In einer weiteren zweckmäßigen Ausgestaltung weist das Gehäuse einen wärmeisoliert ausgebildeten Gehäusemantel auf. Dieser kann beispielsweise durch eine doppelte Wandung ausgebildet sein. Alternativ oder zusätzlich kann auf die Außenseite des Gehäusemantels beispielsweise eine Wärmedämmung aufgebracht sein. Weiterhin ist denkbar, in dem zwischen der Doppelwandung entstandenen Zwischenraum ein Vakuum auszubilden, um eine möglichst gute Isolation nach außen zu erhalten. Durch das Vorsehen einer Wärmeisolierung auf dem Gehäusemantel, welcher bevorzugt den größten Teil der Oberfläche der Sorptionskolonne ausbildet, ist sichergestellt, dass die durch die Heizung aufgewendete Energie bestmöglich zur Desorption des reversibel dehydrierbaren Materials verwendet werden kann.In a further expedient embodiment, the housing has a heat-insulated housing jacket. This can be formed for example by a double wall. Alternatively or additionally, for example, a heat insulation may be applied to the outside of the housing shell. Furthermore, it is conceivable to form a vacuum in the gap formed between the double wall in order to obtain the best possible insulation to the outside. By providing a heat insulation on the housing shell, which preferably forms the largest part of the surface of the sorption column, it is ensured that the energy expended by the heating can be used as best as possible for the desorption of the reversibly dehydratable material.
In einer weiteren zweckmäßigen Ausgestaltung ist die Höhe des Gehäusemantels kleiner als die Breite oder der Durchmesser von Grund- und Deckfläche. Allgemein ausgedrückt bedeutet dies, dass die von der Luftströmung zu durchströmende Länge geringer ist als die größte Breite oder der Durchmesser von Grund- und Deckfläche. Hierdurch ergibt sich mit Vorteil ein geringer Strömungswiderstand, so dass die Leistung des Gebläses bzw. die Drehzahl des Gebläses gering ausgelegt werden kann. Eine besonders bevorzugte Anordnung ist hierbei eine zylindrische Ausbildung des Gehäuses der Sorptionskolonne, da mit dieser geometrischen Form eine besonders homogene Durchströmung des Luftstroms gewährleistet ist.In a further expedient embodiment, the height of the housing shell is smaller than the width or the diameter of the base and top surfaces. Generally speaking, this means that the length to be flowed through by the air flow is less than the maximum width or the diameter of the base and top surfaces. This results in advantage with a low flow resistance, so that the performance of the fan or the speed of the fan can be made low. A particularly preferred arrangement here is a cylindrical configuration of the housing of the sorption column, since with this geometric shape, a particularly homogeneous flow through the air flow is ensured.
In einer weiteren zweckmäßigen Ausgestaltung weist die Sorptionstrockenvorrichtung ein Gebläse mit einem Gebläsegehäuse zur Erzeugung eines Luftstroms auf, welches in räumlicher Nähe vor dem Lufteinlass des Gehäuses der Sorptionskolonne angeordnet ist. Hierdurch ist es möglich, Gebläsegehäuse und das Gehäuse der Sorptionskolonne integral auszubilden, so dass eine insgesamt kompakte Einheit bereitgestellt wird, welche in der Geschirrspülmaschine einen nur geringen Platz beansprucht.In a further expedient embodiment, the sorption drying device has a fan with a fan housing for generating an air flow, which is arranged in spatial proximity in front of the air inlet of the housing of the sorption column. This makes it possible to integrally form the fan housing and the housing of the sorption column, so that an overall compact unit is provided, which takes up only a small space in the dishwasher.
In einer Variante kann das Gebläse als Axialgebläse vor dem Einlass des Gehäuses der Sorptionskolonne angeordnet sein. In einer anderen Variante ist das Gebläse als Radialgebläse seitlich des Einlasses des Gehäuses der Sorptionskolonne angeordnet. Welche Variante bevorzugt zu wählen ist, ergibt sich im wesentlichen aus der räumlichen Anordnung der Sorptionstrockenvorrichtung in der Geschirrspülmaschine und den dabei herrschenden Platzverhältnissen.In a variant, the blower can be arranged as an axial blower in front of the inlet of the housing of the sorption column. In another variant, the fan is arranged as a radial fan laterally of the inlet of the housing of the sorption column. Which variant is preferable to choose, results essentially from the spatial arrangement of the Sorptionstrockenvorrichtung in the dishwasher and the prevailing space conditions.
Die zur Desorption eingesetzte Heizung kann als Drahtheizung, als Rohrheizkörper, als Keramikheizung oder in PTC-Technologie ausgebildet sein.The heater used for desorption can be designed as a wire heater, as a tubular heater, as a ceramic heater or in PTC technology.
In einer vorteilhaften Ausgestaltung ist die Heizung dabei in das Gebläsegehäuse integriert. Dies lässt sich vor allem bei Verwendung einer Heizung in PTC-Technologie besonders einfach realisieren, da die Widerstandsschicht oder -schichten auf der Innenseite der Gehäusewandung aufgebracht werden können. Ein weiterer Vorteil in der Verwendung einer PTC-Heizung besteht in der einfachen Fertigung, da die Schichten durch einen Druckprozess aufgebracht werden können. Weiterhin regelt sich die Heizleistung über die in den Heizabschnitten vorherrschenden Temperaturen von selbst, so dass eine Überhitzung prinzipbedingt ausgeschlossen ist. Durch entsprechende Anordnung bzw. Verschaltung einzelner Schichtabschnitte lässt sich darüber hinaus eine Heizung mit mehreren Heizleistungen realisieren.In an advantageous embodiment, the heater is integrated into the fan housing. This can be particularly easily realized, especially when using a heater in PTC technology, since the resistance layer or layers can be applied to the inside of the housing. Another advantage of using a PTC heater is the ease of fabrication since the layers can be applied by a printing process. Furthermore, the heating power regulates itself over the prevailing temperatures in the heating sections by itself, so that overheating is excluded by principle. By appropriate arrangement or interconnection of individual layer sections, moreover, a heater with several heating powers can be realized.
In einer weiteren zweckmäßigen Ausgestaltung sind das Gebläse, die Heizung und das Gehäuse der Sorptionskolonne als Einheit ausgebildet, so dass sich eine insgesamt kompakte Sorptionstrockenvorrichtung ergibt.In a further expedient embodiment, the blower, the heater and the housing of the sorption column are formed as a unit, so that there is an overall compact Sorptionstrockenvorrichtung.
In einer weiteren Ausführungsform wird die Sorptionskolonne einerseits zur Trocknung des Geschirrs und andererseits die zur Desorption der Sorptionskolonne eingesetzte Wärmeenergie zur zur Erwärmung der im Spülbehälter befindlichen Spülflotte und/oder des Geschirrs wenigstens teilweise eingesetzt. Neben diesem Merkmal können noch alle weiteren Merkmale aus der
Die Erfindung wird nachfolgend anhand mehrerer Ausführungsbeispiele näher erläutert. Es zeigen:
- Fig. 1a, b
- ein erstes Ausführungsbeispiel einer in einer erfindungsgemäßen Geschirrspülmaschine einsetzbaren Sorptionstrockenvorrichtung,
- Fig. 2a, b
- ein zweites Ausführungsbeispiel einer in einer erfindungsgemäßen Geschirrspülmaschine einsetzbaren Sorptionstrockenvorrichtung,
- Fig. 3a, b
- ein drittes Ausführungsbeispiel einer in einer erfindungsgemäßen Geschirrspülmaschine einsetzbaren Sorptionstrockenvorrichtung,
- Fig. 4
- ein nicht zur Erfindung gehörendes Ausführungsbeispiel einer in einer Geschirrspülmaschine einsetzbaren Sorptionstrockenvorrichtung,
- Fig. 5
- ein nicht zur Erfindung gehörendes Ausführungsbeispiel einer in einer Geschirrspülmaschine einsetzbaren Sorptionstrockenvorrichtung, und
- Fig. 6
- ein Ausführungsbeispiel einer in einer erfindungsgemäßen Geschirrspülmaschine einsetzbaren Sorptionstrockenvorrichtung.
- Fig. 1a, b
- A first embodiment of a sorption drying device which can be used in a dishwasher according to the invention,
- Fig. 2a, b
- A second embodiment of a sorption drying device which can be used in a dishwasher according to the invention,
- Fig. 3a, b
- A third embodiment of a sorption drying device which can be used in a dishwasher according to the invention,
- Fig. 4
- a not belonging to the invention embodiment of a usable in a dishwasher Sorptionstrockenvorrichtung,
- Fig. 5
- a not belonging to the invention embodiment of a usable in a dishwasher Sorptionstrockenvorrichtung, and
- Fig. 6
- An embodiment of a usable in a dishwasher according to the invention Sorptionstrockenvorrichtung.
Eine in den Figuren nicht näher dargestellte erfindungsgemäße Geschirrspülmaschine weist üblicherweise einen Spülbehälter auf, in dem Geschirrkörbe zur Einordnung von Spülgut angeordnet sind. In allen Ausführungsbeispielen der erfindungsgemäßen Geschirrspülmaschine erfolgt die Trocknung des Geschirrs vorzugsweise wie in der
In den nachfolgend näher erläuterten Figuren sind verschiedene Ausführungsbeispiele derartiger Sorptionstrockenvorrichtungen dargestellt.In the figures explained in more detail below, various embodiments of such Sorptionstrockenvorrichtungen are shown.
Die der Heizung 6 zugewandte Grundfläche bildet einen Einlass 13 der Sorptionskolonne 3 aus, welche bevorzugt als Sieb zur Fixierung des im Gehäuse 9 angeordneten reversibel dehydrierbaren Materials 4 der Sorptionskolonne 3 ausgebildet ist. Während der Lufteinlass 13 sich im Ausführungsbeispiel über die gesamte Grundfläche erstreckt, nimmt ein Luftauslass 7 der Sorptionskolonne, im Zentrum der Grundfläche angeordnet, beispielhaft nur einen kleinen Flächenabschnitt ein. Durch die Größe des Luftauslasses 7 werden einerseits der Strömungswiderstand der durch die Sorptionskolonne 3 geleiteten Luft sowie deren Austrittsgeschwindigkeit in den Spülbehälter festgelegt. Der Luftweg ist mit den Pfeilen A, B und C angedeutet.The
Die als Drahtheizung ausgebildete Heizung 6 ist sich zumindest teilweise mit dem Lufteinlass 13 überdeckend außerhalb des Lufteinlasses der Sorptionskolonne angeordnet. Entgegen der zeichnerischen Darstellung könnte die Drahtheizung auch vollständig überdeckend unterhalb des Lufteinlasses 13 ausgebildet sein. Wie groß die Drahtheizung ausgeführt wird und welchen Teil des Lufteinlasses sie überdeckt, hängt im wesentlichen von der von der Drahtheizung abgegebenen Leistung ab. Aufgrund der außerhalb, jedoch in unmittelbarer Nähe zu dem Lufteinlass 13, angeordneten Heizung 6 ergibt sich der Effekt, dass die über die Heizung hinweg geleitete Luft bis zum Eintritt in die Sorptioskolonne 3 nicht oder zumindest nicht wesentlich erkalten kann, so dass eine effektive Wärmezufuhr und Desorption des reversibel dehydrierbaren Materials sichergestellt ist. Andererseits kann - bei gegebenenfalls zu hoher Leistungsabgabe der Heizung - auch keine lokale Überhitzung des reversibel dehydrierbaren Materials auftreten.The
Neben den geometrischen Abmaßen des Gehäuses 9 der Sorptionskolonne 3 wird der Strömungswiderstand der durch diese durchgeleiteten Luft durch den Durchmesser des kugelförmigen reversibel dehydrierbaren Materials 4 festgelegt. Bei der Festlegung des Durchmessers des reversibel dehydrierbaren Materials muss eine Abwägung zwischen der gewünschten Oberfläche dieses Materials und dem unmittelbar daraus resultierenden Strömungswiderstand getroffen werden. Als vorteilhaft hat sich kugelförmig ausgebildetes reversibel dehydrierbares Material mit einem Durchmesser von 2,5 bis 5 mm erwiesen.In addition to the geometrical dimensions of the
In dem in
Bei allen vorstehend beschriebenen Varianten ist es besonders vorteilhaft möglich, Gebläse2 , Heizung 6 und Sorptionskolonne 3 zu einer integralen Einheit auszubilden, insbesondere deren Gehäuse einstückig auszuführen. Hierdurch ist einerseits eine sehr einfache Montage der Sorptionstrockenvorrichtung in der Geschirrspülmaschine möglich, andererseits können die baulichen Abmaße gering gehalten werden.In all the variants described above, it is particularly advantageous possible to form
Mit der vorliegenden Erfindung ist eine Geschirrspülmaschine bereitgestellt, mit der es möglich ist, unter wirtschaftlichen Gesichtspunkten das im Spülbehälter befindliche Spülgut effizient zu reinigen und zu trocknen, sowie den damit verbundenen Energieaufwand so gering wie möglich zu halten. Weiterhin ist eine einfache Montage gewährleistet, welche einen kostengünstigen Herstellungsprozess erlaubt.With the present invention, a dishwasher is provided, with which it is possible to efficiently clean and dry the dishes located in the washing container, and to keep the associated energy consumption as low as possible. Furthermore, a simple assembly is guaranteed, which allows a cost-effective manufacturing process.
- 11
- Sorptionstrockenvorrichtungsorption
- 22
- Gebläsefan
- 33
- Sorptionskolonnesorption
- 44
- reversibel dehydrierbares Materialreversibly dehydratable material
- 66
- Heizelementheating element
- 77
- Auslassoutlet
- 88th
- Gehäusecasing
- 99
- Gehäusecasing
- 1010
- Gehäusewandhousing wall
- 1111
- Propellerpropeller
- 1212
- Einlassinlet
- 1313
- Einlassinlet
- 1414
- Luftkanalair duct
- A, B, CA, B, C
- LuftwegBy air
- hH
- Höheheight
Claims (16)
- Dishwasher having a washing container and apparatuses for washing dishes using washing liquor and having a sorption drying apparatus (1) which is connected in an air-conducting manner to the washing container by means of air circulated in a flow direction (A, B, C) and a heater (6), a fan (2) and a sorption column (3) with reversibly dehydrateable material (4), wherein the sorption column (3) is arranged in a housing (9) with an air inlet (13) and an air outlet (7), wherein the heater (6) is arranged in the flow direction of the air upstream of the air inlet (13) of the sorption column (3), and wherein the height of the sorption column (3) is lower than the largest width or the diameter of the base and top surface of the sorption column (3) so that the length through which air is to flow is smaller than the largest width or the diameter of the base and top surface.
- Dishwasher according to claim 1, characterised in that the heater (6) is arranged in the region of the air inlet (13) of the sorption column (3).
- Dishwasher according to claim 1 or 2, characterised in that the housing (9) has a base surface having the air inlet (13) of the sorption column (3) and a top surface having the air outlet (7) of the sorption column (3).
- Dishwasher according to claim 3, characterised in that the base surface and/or the top surface are, at least in areas, embodied as a sieve so that the air inlet (13) and/or the air outlet (7) is or are formed by the sieve surface.
- Dishwasher according to one of the preceding claims, characterised in that the heater (6) and the air inlet (13) of the sorption column (3) are arranged at least partially to overlap.
- Dishwasher according to one of the preceding claims, characterised in that the heater (6) is arranged directly adjacent to the air inlet (13) of the sorption column (3) inside the housing (9) of the sorption column.
- Dishwasher according to one of the preceding claims, characterised in that the housing (9) has a housing casing (10) embodied in a heat-insulated manner.
- Dishwasher according to one of the preceding claims, characterised in that the heater (6) is embodied as a wire heater, tubular heating element, ceramic heater or in PTC technology.
- Dishwasher according to one of the preceding claims, characterised in that the air inlet (13) of the sorption column (3) extends across its entire base surface.
- Dishwasher according to one of the preceding claims, characterised in that the heater (6) is arranged partially or completely to overlap with the air inlet (13) of the sorption column (3) under the air inlet (13).
- Dishwasher according to one of the preceding claims, characterised in that the sorption drying apparatus (1) has a fan (2) with a fan housing (8) for generating an air flow, which is arranged spatially adjacent upstream of the air inlet (13) of the housing of the sorption column (9).
- Dishwasher according to one of the preceding claims, characterised in that the fan (2) is arranged as an axial fan upstream of the inlet (13) of the housing of the sorption column.
- Dishwasher according to one of claims 1 to 11, characterised in that the fan (2) is arranged as a radial fan to the side of the inlet (13) of the housing of the sorption column.
- Dishwasher according to one of the preceding claims, characterised in that the heater (6) is integrated into the fan housing (8).
- Dishwasher according to one of the preceding claims, characterised in that the fan (2), the heater (6) and the housing (9) of the sorption column are embodied as a unit.
- Dishwasher according to one of the preceding claims, characterised in that the sorption column (3) is used at least partially on the one hand to dry the dishes and on the other hand the thermal energy used for the desorption of the sorption column (3) is used at least partially to heat the washing liquor and/or the dishes located in the washing container.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15168184T PL2946715T3 (en) | 2004-12-09 | 2005-10-20 | Dishwasher comprising a sorption drying device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004059424 | 2004-12-09 | ||
DE102005004096A DE102005004096A1 (en) | 2004-12-09 | 2005-01-28 | Dishwasher with a Sorptionstrockenvorrichtung |
EP05808030.0A EP1833353B1 (en) | 2004-12-09 | 2005-10-20 | Dishwashing machine equipped with a sorption drying device |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05808030.0A Division EP1833353B1 (en) | 2004-12-09 | 2005-10-20 | Dishwashing machine equipped with a sorption drying device |
EP05808030.0A Division-Into EP1833353B1 (en) | 2004-12-09 | 2005-10-20 | Dishwashing machine equipped with a sorption drying device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2946715A2 EP2946715A2 (en) | 2015-11-25 |
EP2946715A3 EP2946715A3 (en) | 2016-01-20 |
EP2946715B1 true EP2946715B1 (en) | 2017-08-30 |
Family
ID=35663655
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05808030.0A Active EP1833353B1 (en) | 2004-12-09 | 2005-10-20 | Dishwashing machine equipped with a sorption drying device |
EP15168184.8A Active EP2946715B1 (en) | 2004-12-09 | 2005-10-20 | Dishwasher comprising a sorption drying device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05808030.0A Active EP1833353B1 (en) | 2004-12-09 | 2005-10-20 | Dishwashing machine equipped with a sorption drying device |
Country Status (10)
Country | Link |
---|---|
US (2) | US20070295373A1 (en) |
EP (2) | EP1833353B1 (en) |
JP (1) | JP4659042B2 (en) |
KR (1) | KR20070085898A (en) |
AU (1) | AU2005313473B2 (en) |
BR (1) | BRPI0518518A2 (en) |
DE (1) | DE102005004096A1 (en) |
PL (2) | PL1833353T3 (en) |
RU (1) | RU2404702C2 (en) |
WO (1) | WO2006061287A1 (en) |
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-
2005
- 2005-01-28 DE DE102005004096A patent/DE102005004096A1/en not_active Withdrawn
- 2005-10-20 RU RU2007120227/12A patent/RU2404702C2/en active
- 2005-10-20 BR BRPI0518518-1A patent/BRPI0518518A2/en not_active IP Right Cessation
- 2005-10-20 WO PCT/EP2005/055415 patent/WO2006061287A1/en active Application Filing
- 2005-10-20 EP EP05808030.0A patent/EP1833353B1/en active Active
- 2005-10-20 PL PL05808030T patent/PL1833353T3/en unknown
- 2005-10-20 US US11/791,383 patent/US20070295373A1/en not_active Abandoned
- 2005-10-20 EP EP15168184.8A patent/EP2946715B1/en active Active
- 2005-10-20 JP JP2007544859A patent/JP4659042B2/en not_active Expired - Fee Related
- 2005-10-20 AU AU2005313473A patent/AU2005313473B2/en not_active Ceased
- 2005-10-20 PL PL15168184T patent/PL2946715T3/en unknown
- 2005-10-20 KR KR1020077012907A patent/KR20070085898A/en not_active Application Discontinuation
-
2012
- 2012-06-07 US US13/490,492 patent/US8459278B2/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
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JP2008522687A (en) | 2008-07-03 |
AU2005313473B2 (en) | 2011-03-24 |
EP2946715A2 (en) | 2015-11-25 |
KR20070085898A (en) | 2007-08-27 |
EP2946715A3 (en) | 2016-01-20 |
US8459278B2 (en) | 2013-06-11 |
EP1833353A1 (en) | 2007-09-19 |
BRPI0518518A2 (en) | 2008-11-25 |
US20070295373A1 (en) | 2007-12-27 |
WO2006061287A1 (en) | 2006-06-15 |
US20120240965A1 (en) | 2012-09-27 |
DE102005004096A1 (en) | 2006-06-14 |
EP1833353B1 (en) | 2015-08-05 |
JP4659042B2 (en) | 2011-03-30 |
AU2005313473A1 (en) | 2006-06-15 |
PL1833353T3 (en) | 2015-12-31 |
RU2404702C2 (en) | 2010-11-27 |
RU2007120227A (en) | 2009-01-20 |
PL2946715T3 (en) | 2018-01-31 |
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