EP3228964A1 - Cooling and/or freezing apparatus - Google Patents
Cooling and/or freezing apparatus Download PDFInfo
- Publication number
- EP3228964A1 EP3228964A1 EP17162997.5A EP17162997A EP3228964A1 EP 3228964 A1 EP3228964 A1 EP 3228964A1 EP 17162997 A EP17162997 A EP 17162997A EP 3228964 A1 EP3228964 A1 EP 3228964A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mist generator
- piezoelectric element
- tank
- water
- partition plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007710 freezing Methods 0.000 title claims 6
- 230000008014 freezing Effects 0.000 title claims 6
- 238000001816 cooling Methods 0.000 title claims 5
- 239000003595 mist Substances 0.000 claims abstract description 69
- 238000005192 partition Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 239000006199 nebulizer Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002663 nebulization Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/069—Cooling space dividing partitions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
Definitions
- the present invention relates to a refrigerator and / or freezer with at least one body and with at least one of the body surrounded cooled interior, wherein in the cooled interior at least one mist generator is arranged, wherein the mist generator has at least one piezoelectric element.
- the present invention has the object of developing a refrigerator and / or freezer of the type mentioned in that this has a particularly compact structure.
- the mist generator is integrated into the horizontal partition plate that this not or not substantially above the horizontal Partition plate protrudes.
- the mist generator is thus integrated into the partition plate in such a way that it preferably does not project beyond the partition plate to either side, which results overall in a particularly compact construction and also achieves the advantage of a particularly attractive overall visual impression.
- the invention also includes some projection of the mist generator on one or more sides beyond the surface of the separator plate.
- This protrusion is preferably not more than 3 cm or not more than 2 cm, and more preferably not more than 1 cm.
- the degree of supernatant is preferably lower (preferably not more than 1 cm) due to the visibility of the supernatant by the user, than in the case of a projection on the underside of the separating plate. There, a maximum projection of 2 cm is preferably provided.
- the mist generator extends - if at all - on the bottom only so far beyond the partition plate that the drawer can be completely removed from the device and the mist generator hindering the removal Stop forms.
- the mist generator is constructed from a plurality of modularly assembled components. These components may be, for example, a tank and a lid which may be slidable, pivotable or detachable relative to the tank.
- Constituent may also be understood as meaning other elements of the mist generator, such as, for example, one or more concentrators which have the task of concentrating the sound waves or water jets emanating from the at least one piezoelectric element at a point or a region, or one or more deflectors, which have the task to redirect the output from the at least one piezoelectric element sound waves or water jets, or even components of the electronics, such as the piezoelectric electronics for driving the piezoelectric element.
- concentrators which have the task of concentrating the sound waves or water jets emanating from the at least one piezoelectric element at a point or a region
- deflectors which have the task to redirect the output from the at least one piezoelectric element sound waves or water jets
- components of the electronics such as the piezoelectric electronics for driving the piezoelectric element.
- the present invention further relates to a refrigerator and / or freezer with at least one cooled interior space surrounded by the body, wherein in the cooled interior at least one mist generator is arranged, wherein the mist generator has at least one piezoelectric element.
- the piezoelectric element is inclined so that the outgoing from this oblique water jet outside the water surface is divided into droplets, so that can be dispensed with the concentrator.
- the mist generator has at least one tank and at least one lid closing the tank and at least one receptacle for the tank, wherein it is preferably provided that the Lid is movable relative to the tank, preferably removable and / or that the tank can be removed from the receptacle. Due to the removability of the tank this can be cleaned very easily, eg in a dishwasher.
- the receptacle can form a solid or integral part of the partition plate or of any other element of the device or can also be detachably arranged in the device.
- the mist generator may comprise at least one nebulizing chamber having a plurality of outlet openings for the generated mist and the width of the nebulization chamber decreasing as the distance from the piezoelectric element increases.
- the mist generator according to the present invention is arranged such that the mist emanating therefrom "falls" in an area below the mist generator or is conveyed by a blower or air flow.
- This area may be, for example, a drawer or any other compartment which is preferably located below a horizontal partition plate. This separates in a preferred embodiment of the invention, two compartments of each other, which are operated during operation of the device at different temperatures, such. a refrigerated compartment and a cold storage compartment.
- the mist generator may comprise at least one concentrator for focusing the sound waves emanating from the piezoelectric element, the piezoelectric element and / or the concentrator being inclined towards the horizontal. In this way it is possible to direct or direct the water jet or the sound waves in the desired direction and preferably in the direction of the at least one outlet opening of the mist generator.
- the piezoelectric element may be inclined so that outside the water surface of the water in the tank, the water jet generated by the piezoelectric element is divided into droplets.
- the mist generator has at least one lid, wherein at least one deflecting element is provided on the lid, which deflects the water jet impinging thereon and generated by the piezoelectric element in the direction of one or more outlet openings of the mist generator.
- at least one deflecting element is provided on the lid, which deflects the water jet impinging thereon and generated by the piezoelectric element in the direction of one or more outlet openings of the mist generator.
- the mist generator has at least one water tank, which is inclined so that water runs towards the piezoelectric element. This ensures that sufficient water is always present on the piezoelectric element when the tank has sufficient filling.
- the piezoelectric element is completely or substantially covered with water when the mist generator is in operation.
- the mist generator has at least one water tank, which comprises at least one opening to the piezoelectric element, wherein this opening is closed by at least one vibration transmitting sealing element.
- FIG. 1 shows by reference numeral 10, a horizontal partition plate, which separates two compartments of different temperature within the cooled interior of a refrigerator or freezer from each other.
- the mist generator 20 which is integrated so that it is flush with the top of the partition plate 10.
- the mist generator is not on either side, i. also not on the bottom over the surface of the partition plate 10 over.
- the partition plate has a thickness of 30 mm or less.
- the mist generator comprises the lid 30, the tank 40 and the receptacle 50, as shown FIG. 2 a), b) and c) evident.
- the lid 30 may be made in one or more parts. It can be completely removed to fill the tank 40 or even part of it.
- a measuring cup can be arranged, preferably molded, which allows easier filling of the tank with water.
- cover 30 could also be arranged foldable or pivotable or displaceable on the tank.
- the lid 30 may include means or be marked such that these means or markers serve as level markings.
- the tank 40 is designed so that its top can be completely covered by the lid 30.
- the tank has openings that prevent gas tightness, thus ensuring that the mist can escape through the outlet openings of the tank 40.
- the tank has means for level detection, such as steps, colored markers, sprayed marks on the tank wall, float systems, etc.
- FIG. 2c shows the receptacle 50 for the tank 40 and the piezoelectric element, the piezoelectric electronics for its control, cables, connectors, etc.
- the receptacle 50 preferably has all the necessary for the operation of the mist generator elements. This can be integrated into the horizontal partition plate 10, as is the case for example with an injection molded part, or also be used as an additional, ie as a separate part in the partition plate 10.
- FIG. 3 illustrates the design of the mist generator in a view obliquely from above without a lid.
- the reference numeral 100 shows the piezoelectric electronics that drives the piezoelectric element P.
- the reference character K denotes the concentrator which focuses the sound waves or water jets originating from the piezoelectric element P, such as a lens, onto a point or area. From the concentrator K, the water or the mist passes to the deflecting element 90, according to FIG. 4 an integral part of the lid 30 may represent. From there, the mist is directed into the misting chamber V, where the mist is directed through the discharge ports 60 into the drawer or the like below the separation plate.
- Reference numeral 80 indicates means at the outlet openings which cause larger drops to fall back into the tank 40 and only fine drops to pass through the outlet openings 60.
- Reference numeral 70 denotes a wall which causes the mist to be uniformly pushed through the outlet openings 60.
- FIG. 4 shows the mist generator in a longitudinal sectional view and illustrates the arrangement of the concentrator K. This directs the water jet or the sound waves, which are excited by the piezoelectric element P to.
- the shape of the concentrator may be parabolic, semicircular, circular or even oblique.
- the concentrator K is preferably made of aluminum or another metal. Also plastic or coated plastic or plastic or metal metallized film is conceivable. Preferably, the concentrator K is dimensioned so that only the coming of the piezoelectric element P water jet or sound wave is received. The advantage of the small size and the appropriate dimension is that the water can get into the ram between the piezoelectric element and the concentrator K well from all sides.
- the concentrator K may be inclined to the horizontal, i. stand diagonally so that the water jet already points in the direction of the outlet openings.
- the piezoelectric element P could also be inclined or inclined to the horizontal and direct the water jet in the direction of the outlet opening (s).
- the invention also includes a non-planar design of the piezoelectric element, such as a parabolic shape, which could shorten the distance between the piezoelectric element and the nebulizing unit.
- FIG. 6 shows a further sectional view and illustrates that the outlet openings 60 for the mist can have different heights.
- high channels can be used which delimit the outlet openings 60 and with increasing distance from the piezoelectric element P their height can be reduced, as can be seen FIG. 6 evident.
- FIG. 6 apparent slope S in the bottom of the water tank 40 is achieved that water is always passed to the piezoelectric element. Thus, no valve is required in this embodiment.
- the water tank 40 and the nebulizer unit may form a common unit.
- the piezoelectric element P is formed so that it does not damage when it runs dry.
- the mist generator can be operated until the water is used up or is no longer sufficient for fog generation.
- the in FIG. 7 Separable nebulizer unit shown in individual parts separable, ie the tank 40, the concentrator K and the deflector 90 can be removed without that electrical components such as the piezoelectric element P or the piezoelectric electronics must be removed.
- the reference character O denotes an opening in the tank 40 in the region of the piezoelectric element P.
- FIG. 8 shows the nebulizer unit, which is an integral part of the tank 40 in a view obliquely from above.
- the nebulizer unit consists of the nebulizer chamber V, the outlet ports 60, the concentrator K, which is optional, and as the piezoelectric element P and its control.
- FIG. 9 illustrates that when removing the tank 40 for cleaning, for example, by turning, tilting up or pushing an opening indicated by the arrow is formed, from which the remaining water in the tank 40 leak can.
- all components are designed below this point so that a vessel can be placed, so that the water can be drained.
- FIG. 10 an embodiment can be seen in which the opening O according to FIG. 7 is closed by a component B which has the property of transmitting the vibrations generated by the piezoelectric element P to the water located in the tank 40.
- this part B prevents, at least for a short time, that the residual water at this point can run out of the tank 40.
- a membrane can be used which allows a very small amount of water to be present between the piezoelectric element P and the membrane, so that the vibrations can be transmitted but prevents leakage of water when the tank is removed becomes.
- the drop between the piezoelectric element and the membrane then drips, for example, into a drawer or the like, which is located below the mist generator and evaporates there.
- it is to arrange the component B directly on the piezoelectric element P.
- a porous material e.g. a sponge can be used as component B. This absorbs water and allows the transmission of the vibrations of the piezoelectric element, but prevents a rapid leakage of the tank.
- FIG. 11 indicated by arrows the path of the water within the tank to the nebulizer unit.
- FIG. 12 is schematically seen that the nebulizable amount of water W is preferably 9 to 14 mm above the tank bottom.
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Abstract
Die vorliegende Erfindung betrifft ein Kühl- und/oder Gefriergerät mit wenigstens einem Korpus und mit wenigstens einem von dem Korpus umgebenen gekühlten Innenraum, wobei in dem gekühlten Innenraum wenigstens einen Nebelerzeuger angeordnet ist, wobei der Nebelerzeuger wenigstens ein piezoelektrisches Element aufweist, wobei sich in dem gekühlten Innenraum wenigstens eine horizontale Trennplatte befindet, die den gekühlten Innenraum in zumindest zwei bei unterschiedlicher Temperatur betriebene Kompartimente trennt, wobei der Nebelerzeuger derart in die horizontale Trennplatte integriert ist, dass dieser nicht oder nicht weiter als ein Maximalwert über die horizontale Trennplatte übersteht und/oder wobei der Nebelerzeuger aus mehreren modular zusammengesetzten Bestandteilen aufgebaut ist.The present invention relates to a refrigerator and / or freezer with at least one body and with at least one of the body surrounded cooled interior, wherein in the cooled interior at least one mist generator is arranged, wherein the mist generator has at least one piezoelectric element, wherein in the cooled interior is at least one horizontal partition plate which separates the cooled interior in at least two operated at different temperature compartments, wherein the mist generator is integrated into the horizontal partition plate such that it does not or no further than a maximum value on the horizontal partition plate and / or wherein the mist generator is made up of a plurality of modularly assembled components.
Description
Die vorliegende Erfindung betrifft ein Kühl- und/oder Gefriergerät mit wenigstens einem Korpus und mit wenigstens einem von dem Korpus umgebenen gekühlten Innenraum, wobei in dem gekühlten Innenraum wenigstens einen Nebelerzeuger angeordnet ist, wobei der Nebelerzeuger wenigstens ein piezoelektrisches Element aufweist.The present invention relates to a refrigerator and / or freezer with at least one body and with at least one of the body surrounded cooled interior, wherein in the cooled interior at least one mist generator is arranged, wherein the mist generator has at least one piezoelectric element.
Aus dem Stand der Technik ist es bekannt, in dem gekühlten Innenraum eines Kühl- bzw. Gefriergerätes einen Nebelerzeuger einzusetzen, der im Betrieb des piezoelektrischen Elementes aus einem Wasserreservoir Nebel bildet. Exemplarisch wird in diesem Zusammenhang auf die
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Kühl- und/oder Gefriergerät der eingangs genannten Art dahingehend weiterzubilden, dass dieses einen besonders kompakten Aufbau aufweist.The present invention has the object of developing a refrigerator and / or freezer of the type mentioned in that this has a particularly compact structure.
Diese Aufgabe wird durch ein Kühl- und/oder Gefriergerät mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a refrigerator and / or freezer with the features of claim 1.
Danach ist vorgesehen, dass sich in dem gekühlten Innenraum wenigstens eine horizontale Trennplatte befindet, die den gekühlten Innenraum in zumindest zwei bei unterschiedlicher Temperatur betriebene Kompartimente trennt, wobei der Nebelerzeuger derart in die horizontale Trennplatte integriert ist, dass dieser nicht oder nicht wesentlich über die horizontale Trennplatte übersteht. Der Nebelerzeuger ist somit in die Trennplatte derart integriert, dass dieser vorzugsweise zu keiner Seite über die Trennplatte übersteht, womit sich insgesamt eine besonders kompakte Bauweise ergibt und zudem der Vorteil eines besonders ansprechenden optischen Gesamteindrucks erzielt wird.Thereafter, it is provided that in the cooled interior, at least one horizontal partition plate is located, which separates the cooled interior in at least two operated at different temperature compartments, the mist generator is integrated into the horizontal partition plate that this not or not substantially above the horizontal Partition plate protrudes. The mist generator is thus integrated into the partition plate in such a way that it preferably does not project beyond the partition plate to either side, which results overall in a particularly compact construction and also achieves the advantage of a particularly attractive overall visual impression.
Von der Erfindung ist jedoch auch ein gewisser Überstand des Nebelerzeugers an einer oder mehreren Seiten über die Oberfläche der Trennplatte hinaus umfasst. Vorzugsweise beträgt dieses Überstehen nicht mehr als 3 cm oder nicht mehr als 2 cm und besonders bevorzugt nicht mehr als 1 cm.However, the invention also includes some projection of the mist generator on one or more sides beyond the surface of the separator plate. This protrusion is preferably not more than 3 cm or not more than 2 cm, and more preferably not more than 1 cm.
Steht der Nebelerzeuger oben über die Trennplatte über, ist das Maß des Überstandes aufgrund der Einsehbarkeit des Überstandes durch den Nutzer vorzugsweise geringer (vorzugsweise maximal 1 cm), als bei einem Überstand auf der Unterseite der Trennplatte. Dort ist vorzugsweise ein maximaler Überstand von 2 cm vorgesehen.If the mist generator is above the separating plate, the degree of supernatant is preferably lower (preferably not more than 1 cm) due to the visibility of the supernatant by the user, than in the case of a projection on the underside of the separating plate. There, a maximum projection of 2 cm is preferably provided.
Befindet sich unterhalb der Trennplatte eine ausziehbare Schublade, ist vorzugsweise vorgesehen, dass sich der Nebelerzeuger - wenn überhaupt - auf der Unterseite nur so weit über die Trennplatte hinaus erstreckt, dass die Schublade ganz aus dem Gerät entnommen werden kann und der Nebelerzeuger keinen das Herausnehmen hindernden Anschlag bildet.Located below the partition plate a pull-out drawer, it is preferably provided that the mist generator extends - if at all - on the bottom only so far beyond the partition plate that the drawer can be completely removed from the device and the mist generator hindering the removal Stop forms.
In einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass der Nebelerzeuger aus mehreren modular zusammengesetzten Bestandteilen aufgebaut ist. Bei diesen Bestandteilen kann es sich beispielsweise um einen Tank und einen Deckel handeln, der relativ zu dem Tank verschiebbar, verschwenkbar oder abnehmbar sein kann.In a further embodiment of the invention, it is provided that the mist generator is constructed from a plurality of modularly assembled components. These components may be, for example, a tank and a lid which may be slidable, pivotable or detachable relative to the tank.
Unter dem Begriff "Bestandteil" können auch andere Elemente des Nebelerzeugers zu verstehen sein, wie beispielsweise ein oder mehrere Konzentratoren, die die Aufgabe haben, die von dem wenigstens einen piezoelektrischen Element ausgehenden Schallwellen bzw. Wasserstrahlen auf einem Punkt oder auf einen Bereich zu bündeln, oder ein oder mehrere Deflektoren, die die Aufgabe haben, die von dem wenigstens einen piezoelektrischen Element ausgehenden Schallwellen bzw. Wasserstrahlen umzulenken, oder auch Bestandteile der Elektronik, wie z.B. die Piezoelektronik zur Ansteuerung des piezoelektrischen Elementes.The term "constituent" may also be understood as meaning other elements of the mist generator, such as, for example, one or more concentrators which have the task of concentrating the sound waves or water jets emanating from the at least one piezoelectric element at a point or a region, or one or more deflectors, which have the task to redirect the output from the at least one piezoelectric element sound waves or water jets, or even components of the electronics, such as the piezoelectric electronics for driving the piezoelectric element.
Die vorliegende Erfindung betrifft des Weiteren ein Kühl- und/oder Gefriergerät mit wenigstens einem von dem Korpus umgebenen gekühlten Innenraum, wobei in dem gekühlten Innenraum wenigstens einen Nebelerzeuger angeordnet ist, wobei der Nebelerzeuger wenigstens ein piezoelektrisches Element aufweist. In dieser Ausführungsform der Erfindung ist kein Konzentrator vorhanden ist, der die akustischen Wellen, die von dem piezoelektrischen Element ausgehen, fokussiert. Dadurch ergibt sich eine vergleichsweise konstruktiv einfache und kostengünstige Ausführung. Vorzugsweise ist in diesem Fall das piezoelektrische Element so geneigt, dass der von diesem ausgehende schräg verlaufende Wasserstrahl sich außerhalb der Wasseroberfläche in Tröpfchen aufteilt, so dass auf den Konzentrator verzichtet werden kann.The present invention further relates to a refrigerator and / or freezer with at least one cooled interior space surrounded by the body, wherein in the cooled interior at least one mist generator is arranged, wherein the mist generator has at least one piezoelectric element. In this embodiment of the invention, there is no concentrator that focuses the acoustic waves emanating from the piezoelectric element. This results in a comparatively structurally simple and cost-effective design. Preferably, in this case, the piezoelectric element is inclined so that the outgoing from this oblique water jet outside the water surface is divided into droplets, so that can be dispensed with the concentrator.
Die erfindungsgemäßen Merkmale der Ansprüche 1 und 2 können auch kombiniert vorliegen.The inventive features of claims 1 and 2 may also be combined.
Weiterhin kann vorgesehen sein, dass der Nebelerzeuger zumindest einen Tank und zumindest einen den Tank verschließenden Deckel sowie wenigstens eine Aufnahme für den Tank aufweist, wobei vorzugsweise vorgesehen ist, dass der Deckel relativ zu dem Tank bewegbar, vorzugsweise abnehmbar ist und/oder dass der Tank aus der Aufnahme entnehmbar ist. Durch die Entnehmbarkeit des Tanks kann dieser besonders einfach, z.B. in einer Spülmaschine gereinigt werden.Furthermore, it can be provided that the mist generator has at least one tank and at least one lid closing the tank and at least one receptacle for the tank, wherein it is preferably provided that the Lid is movable relative to the tank, preferably removable and / or that the tank can be removed from the receptacle. Due to the removability of the tank this can be cleaned very easily, eg in a dishwasher.
Die Aufnahme kann einen festen bzw. integralen Bestandteil der Trennplatte oder eines sonstigen Elementes des Gerätes bilden oder ebenfalls lösbar im Gerät angeordnet sein.The receptacle can form a solid or integral part of the partition plate or of any other element of the device or can also be detachably arranged in the device.
Der Nebelerzeuger kann wenigstens eine Vernebelungskammer aufweisen, die mehrere Auslassöffnungen für den erzeugten Nebel aufweist und dass mit zunehmendem Abstand von dem piezoelektrischen Element die Breite der Vernebelungskammer abnimmt. Durch diese Verengung kann eine Vergleichmäßigung der Verbreitung des Nebels durch die mehreren Auslassöffnungen erreicht werden.The mist generator may comprise at least one nebulizing chamber having a plurality of outlet openings for the generated mist and the width of the nebulization chamber decreasing as the distance from the piezoelectric element increases. By this constriction, a homogenization of the spread of the mist through the multiple outlet openings can be achieved.
Vorzugsweise ist der Nebelerzeuger gemäß der vorliegenden Erfindung so angeordnet, dass der von diesem ausgehende Nebel in einem Bereich unterhalb des Nebelerzeugers "fällt" oder durch ein Gebläse oder Luftstrom gefördert wird. Bei diesem Bereich kann es sich beispielsweise um eine Schublade oder um ein sonstiges beliebiges Kompartiment handeln, das sich vorzugsweise unterhalb einer horizontalen Trennplatte befindet. Diese trennt in einer bevorzugten Ausgestaltung der Erfindung zwei Kompartimente voneinander, die im Betrieb des Gerätes bei unterschiedlichen Temperaturen betrieben werden, wie z.B. ein Kühlfach und ein Kaltlagerfach.Preferably, the mist generator according to the present invention is arranged such that the mist emanating therefrom "falls" in an area below the mist generator or is conveyed by a blower or air flow. This area may be, for example, a drawer or any other compartment which is preferably located below a horizontal partition plate. This separates in a preferred embodiment of the invention, two compartments of each other, which are operated during operation of the device at different temperatures, such. a refrigerated compartment and a cold storage compartment.
Der Nebelerzeuger kann wenigstens einen Konzentrator zur Fokussierung der von dem piezoelektrischen Element ausgehenden Schallwellen aufweisen, wobei das piezoelektrische Element und/oder der Konzentrator zur Horizontalen hin geneigt ist. Auf diese Weise ist es möglich, den Wasserstrahl bzw. die Schallwellen in die gewünschte Richtung und vorzugsweise in Richtung der wenigstens einen Auslassöffnung des Nebelerzeugers zu lenken bzw. zu richten.The mist generator may comprise at least one concentrator for focusing the sound waves emanating from the piezoelectric element, the piezoelectric element and / or the concentrator being inclined towards the horizontal. In this way it is possible to direct or direct the water jet or the sound waves in the desired direction and preferably in the direction of the at least one outlet opening of the mist generator.
Das piezoelektrische Element kann derart geneigt sein, dass sich außerhalb der Wasseroberfläche des in dem Tank befindlichen Wassers der durch das piezoelektrische Element erzeugte Wasserstrahl in Tröpfchen aufteilt.The piezoelectric element may be inclined so that outside the water surface of the water in the tank, the water jet generated by the piezoelectric element is divided into droplets.
Vorzugsweise weist der Nebelerzeuger wenigstens einen Deckel auf, wobei an dem Deckel wenigstens ein Umlenkelement vorgesehen ist, das den auf diesen treffenden und durch das piezoelektrische Element erzeugten Wasserstrahl in Richtung von einer oder mehreren Auslassöffnungen des Nebelerzeugers umlenkt. In diesem Fall kann auf ein separates Umlenkelement verzichtet werden, da dieses Bestandteil des Deckels und vorzugsweise ein integraler Bestandteil des Deckels ist.Preferably, the mist generator has at least one lid, wherein at least one deflecting element is provided on the lid, which deflects the water jet impinging thereon and generated by the piezoelectric element in the direction of one or more outlet openings of the mist generator. In this case, can be dispensed with a separate deflecting element, since this part of the lid and preferably an integral part of the lid.
Denkbar ist es weiterhin, dass der Nebelerzeuger zumindest einen Wassertank aufweist, der derart geneigt ist, dass Wasser zu dem piezoelektrischen Element hin läuft. So ist sichergestellt, dass an dem piezoelektrischen Element stets ausreichend Wasser vorhanden ist, wenn der Tank eine ausreichende Füllung aufweist.It is also conceivable that the mist generator has at least one water tank, which is inclined so that water runs towards the piezoelectric element. This ensures that sufficient water is always present on the piezoelectric element when the tank has sufficient filling.
Vorzugsweise ist vorgesehen, dass das piezoelektrische Element vollständig oder weitgehend mit Wasser bedeckt ist, wenn der Nebelerzeuger in Betrieb ist.It is preferably provided that the piezoelectric element is completely or substantially covered with water when the mist generator is in operation.
Weiterhin ist es denkbar, dass der Nebelerzeuger zumindest einen Wassertank aufweist, der zumindest eine Öffnung zu dem piezoelektrischen Element umfasst, wobei diese Öffnung durch zumindest ein Schwingungen übertragendes Dichtungselement verschlossen ist. Dies bringt den Vorteil mit sich, dass bei der Entnahme des Tanks aus dem Nebelerzeuger kein restliches Wasser in den gekühlten Innenraum tropft, da diese von dem Dichtungselement überdeckt ist.Furthermore, it is conceivable that the mist generator has at least one water tank, which comprises at least one opening to the piezoelectric element, wherein this opening is closed by at least one vibration transmitting sealing element. This has the advantage that when removing the tank from the mist generator no residual water drips into the cooled interior, since it is covered by the sealing element.
Weitere Einzelheiten und Vorteile der Erfindung werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.Further details and advantages of the invention will be explained in more detail with reference to an embodiment shown in the drawing.
Es zeigen:
- Figur 1:
- eine perspektivische Draufsicht auf eine Trennplatte von schräg oben mit integriertem Nebelerzeuger,
- Figur 2:
- perspektivische Ansichten von Deckel, Tank und Aufnahme,
- Figur 3:
- eine perspektivische Draufsicht auf den Nebelerzeuger von schräg oben,
- Figur 4:
- eine Längsschnittansicht durch den Nebelerzeuger,
- Figur 5:
- eine Detailansicht im Schnitt durch den Nebelerzeuger im Bereich des piezoelektrischen Elementes in geneigter Ausführung,
- Figur 6:
- eine weitere Längsschnittansicht durch den Nebelerzeuger,
- Figur 7:
- eine Detailansicht im Schnitt durch den Nebelerzeuger im Bereich des piezoelektrischen Elementes,
- Figur 8:
- eine perspektivische Draufsicht auf den Tank mit Auslassöffnungen und Verneblereinheit,
- Figur 9:
- eine Detailansicht im Schnitt durch den Nebelerzeuger im Bereich des piezoelektrischen Elementes,
- Figur 10:
- eine Detailansicht im Schnitt durch den Nebelerzeuger im Bereich des piezoelektrischen Elementes mit Dichtungselement,
- Figur 11:
- eine perspektivische Draufsicht auf den Tank mit Auslassöffnungen und Verneblereinheit und Verdeutlichung des Verlaufs der Wasserströmung und
- Figur 12:
- eine schematische Ansicht der vernebelbaren Wassermenge im Tank.
- FIG. 1:
- a perspective top view of a partition plate obliquely from above with integrated mist generator,
- FIG. 2:
- perspective views of lid, tank and receptacle,
- FIG. 3:
- a perspective top view of the mist generator from obliquely above,
- FIG. 4:
- a longitudinal sectional view through the mist generator,
- FIG. 5:
- a detailed view in section through the mist generator in the region of the piezoelectric element in an inclined design,
- FIG. 6:
- a further longitudinal sectional view through the mist generator,
- FIG. 7:
- a detailed view in section through the mist generator in the region of the piezoelectric element,
- FIG. 8:
- a perspective top view of the tank with outlet openings and nebulizer unit,
- FIG. 9:
- a detailed view in section through the mist generator in the region of the piezoelectric element,
- FIG. 10:
- a detailed view in section through the mist generator in the region of the piezoelectric element with sealing element,
- FIG. 11:
- a perspective top view of the tank with outlet openings and nebulizer unit and clarification of the course of the water flow and
- FIG. 12:
- a schematic view of the nebulizable amount of water in the tank.
In der Trennplatte 10 befindet sich der Nebelerzeuger 20, der so integriert ist, dass dieser bündig mit der Oberseite der Trennplatte 10 abschließt. Der Nebelerzeuger steht an keiner Seite, d.h. auch nicht auf der Unterseite über die Oberfläche der Trennplatte 10 über. Vorzugsweise weist die Trennplatte eine Dicke von 30 mm oder weniger auf.In the
Der Nebelerzeuger umfasst den Deckel 30, den Tank 40 und die Aufnahme 50, wie dies aus
Der Deckel 30 kann ein- oder mehrteilig ausgeführt sein. Er kann zur Füllung des Tanks 40 komplett entnommen werden oder auch nur ein Teil von diesem. Am Tank 30 kann ein Messbecher angeordnet, vorzugsweise angespritzt sein, der eine einfachere Befüllung des Tanks mit Wasser erlaubt.The
Anstelle einer vollständigen Abnehmbarkeit könnte der Deckel 30 auch klapp- bzw. schwenkbar oder verschiebbar auf dem Tank angeordnet sein.Instead of a complete removability of the
Der Deckel 30 kann Mittel enthalten oder derart markiert sein, dass diese Mittel bzw. Markierungen als Füllstandsmarkierungen dienen.The
Der Tank 40 ist so gestaltet, dass dessen Oberseite vollständig von dem Deckel 30 abdeckbar ist. Der Tank weist Öffnungen auf, die Gasdichtheit verhindern, so dass sichergestellt ist, dass der Nebel durch die Auslassöffnungen des Tanks 40 entweichen kann. Der Tank weist Mittel zur Füllstandserkennung auf, wie z.B. Stufen, farbige Markierungen, gespritzte Markierungen an der Tankwand, Schwimmersysteme etc.The
Das Bezugszeichen 100 zeigt die Piezoelektronik, die das das piezoelektrische Element P ansteuert. Mit dem Bezugszeichen K ist der Konzentrator gekennzeichnet, der die von dem das piezoelektrischen Element P ausgehendenden Schallwellen bzw. Wasserstrahlen wie eine Linse auf einen Punkt oder Bereich fokussiert. Von dem Konzentrator K gelangt das Wasser bzw. der Nebel zu dem Umlenkelement 90, das gemäß
Das Bezugszeichen 80 kennzeichnet Mittel an den Auslassöffnungen, die bewirken, dass größere Tropfen in den Tank 40 zurückfallen und nur feine Tropfen durch die Auslassöffnungen 60 gelangen. Mit dem Bezugszeichen 70 ist eine Wandung bzw. Verengung gekennzeichnet, die bewirkt, dass der Nebel gleichmäßig durch die Auslassöffnungen 60 gedrückt wird.
Der Konzentrator K besteht vorzugsweise aus Aluminium oder auch einem anderen Metall. Auch Kunststoff oder beschichteter Kunststoff oder mit Metall oder mit metallisierter Folie ausgestatteter Kunststoff ist denkbar. Vorzugsweise ist der Konzentrator K so dimensioniert, dass nur der von dem piezoelektrischen Element P kommende Wasserstrahl bzw. Schallwelle aufgenommen wird. Der Vorteil der geringen Größe und der geeigneten Dimension besteht darin, dass das Wasser gut von allen Seiten in den Ram zwischen dem piezoelektrischen Element und dem Konzentrator K gelangen kann.The concentrator K is preferably made of aluminum or another metal. Also plastic or coated plastic or plastic or metal metallized film is conceivable. Preferably, the concentrator K is dimensioned so that only the coming of the piezoelectric element P water jet or sound wave is received. The advantage of the small size and the appropriate dimension is that the water can get into the ram between the piezoelectric element and the concentrator K well from all sides.
Der Konzentrator K kann zur Horizontalen geneigt sein, d.h. schräg stehen, so dass der Wasserstrahl bereits in Richtung der Auslassöffnungen zeigt.The concentrator K may be inclined to the horizontal, i. stand diagonally so that the water jet already points in the direction of the outlet openings.
Wie dies aus
Insbesondere ist eine Ausgestaltung denkbar, bei der das piezoelektrische Element P so geneigt ist, dass der schräg ausgerichtete Strahl sich außerhalb der Wasseroberfläche in Tröpfchen teilt, so dass auf den Konzentrator verzichtet werden kann.In particular, a configuration is conceivable in which the piezoelectric element P is inclined so that the obliquely oriented beam divides into droplets outside the water surface, so that it is possible to dispense with the concentrator.
Von der Erfindung ist auch eine nicht plane Ausführung des piezoelektrischen Elementes umfasst, wie beispielsweise eine parabolisch Form, durch die die Strecke zwischen dem piezoelektrischen Element und der Vernebelungseinheit verkürzen könnte.The invention also includes a non-planar design of the piezoelectric element, such as a parabolic shape, which could shorten the distance between the piezoelectric element and the nebulizing unit.
Durch die ebenfalls aus
Der Wassertank 40 und die Verneblereinheit können eine gemeinsame Einheit bilden.The
Denkbar ist es, denn Wassertank 40 bis zu einer maximalen Füllhöhe zu füllen und dann die Verneblung zu beginnen, wodurch der Wasserstand abnimmt. Vorzugsweise ist das piezoelektrische Element P so ausgebildet, dass dieses keinen Schaden nimmt, wenn es trockenläuft. Der Nebelerzeuger kann solange betrieben werden, bis das Wasser aufgebraucht ist bzw. zur Nebelerzeugung nicht mehr ausreicht.It is conceivable to fill
Auch ist eine Ausführung denkbar, bei der über ein Ventil bei Bedarf Wasser in den Tank 40 zuläuft und so ein konstanter Pegel an Wasser in dem Tank 40 sichergestellt wird.An embodiment is also conceivable in which water is fed into the
Vorzugsweise ist die in
Aus
Anstelle einer Membran kann auch ein poröses Material, wie z.B. ein Schwamm als Bauteil B verwendet werden. Dieses nimmt Wasser auf und ermöglicht die Übertragung der Schwingungen des piezoelektrischen Elements, verhindert jedoch ein schnelles Auslaufen des Tanks.Instead of a membrane, a porous material, e.g. a sponge can be used as component B. This absorbs water and allows the transmission of the vibrations of the piezoelectric element, but prevents a rapid leakage of the tank.
Aus
Claims (12)
Applications Claiming Priority (2)
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DE102016004123 | 2016-04-05 | ||
DE102016005405.0A DE102016005405A1 (en) | 2016-04-05 | 2016-05-02 | Fridge and / or freezer |
Publications (2)
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EP3228964A1 true EP3228964A1 (en) | 2017-10-11 |
EP3228964B1 EP3228964B1 (en) | 2021-06-16 |
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EP17162997.5A Active EP3228964B1 (en) | 2016-04-05 | 2017-03-27 | Cooling and/or freezing apparatus |
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Citations (10)
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DE69307488T2 (en) * | 1992-04-29 | 1997-07-10 | Chronotec Sarl | DEVICE FOR FINE SPRAYING PRODUCED BY ULTRASONIC WAVES |
JP2006046768A (en) * | 2004-08-03 | 2006-02-16 | Toshiba Corp | Refrigerator |
JP2006118825A (en) * | 2004-10-25 | 2006-05-11 | Toshiba Corp | Refrigerator |
JP2007024421A (en) * | 2005-07-19 | 2007-02-01 | Takagi Ind Co Ltd | Mist generating method, and its device |
JP2009002590A (en) * | 2007-06-22 | 2009-01-08 | Panasonic Corp | Refrigerator and atomizer loaded in refrigerator |
US20100223944A1 (en) * | 2007-10-09 | 2010-09-09 | Panasonic Corporation | Refrigerator |
DE102013213206A1 (en) * | 2013-07-05 | 2015-01-08 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic refrigerating appliance with a storage area formed in the interior and a moistening device |
DE102014017044A1 (en) | 2013-11-26 | 2015-05-28 | Liebherr-Hausgeräte Ochsenhausen GmbH | Fridge and / or freezer |
WO2016009127A1 (en) * | 2014-07-17 | 2016-01-21 | Areco Finances Et Technologie - Arfitec | Compact nebulizer for freshening the air |
US20160067368A1 (en) * | 2013-04-30 | 2016-03-10 | Areco Finances Et Technologie - Arfitec | Nebulizer system for freshening the air |
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2017
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DE69307488T2 (en) * | 1992-04-29 | 1997-07-10 | Chronotec Sarl | DEVICE FOR FINE SPRAYING PRODUCED BY ULTRASONIC WAVES |
JP2006046768A (en) * | 2004-08-03 | 2006-02-16 | Toshiba Corp | Refrigerator |
JP2006118825A (en) * | 2004-10-25 | 2006-05-11 | Toshiba Corp | Refrigerator |
JP2007024421A (en) * | 2005-07-19 | 2007-02-01 | Takagi Ind Co Ltd | Mist generating method, and its device |
JP2009002590A (en) * | 2007-06-22 | 2009-01-08 | Panasonic Corp | Refrigerator and atomizer loaded in refrigerator |
US20100223944A1 (en) * | 2007-10-09 | 2010-09-09 | Panasonic Corporation | Refrigerator |
US20160067368A1 (en) * | 2013-04-30 | 2016-03-10 | Areco Finances Et Technologie - Arfitec | Nebulizer system for freshening the air |
DE102013213206A1 (en) * | 2013-07-05 | 2015-01-08 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic refrigerating appliance with a storage area formed in the interior and a moistening device |
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WO2016009127A1 (en) * | 2014-07-17 | 2016-01-21 | Areco Finances Et Technologie - Arfitec | Compact nebulizer for freshening the air |
Also Published As
Publication number | Publication date |
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ES2886611T3 (en) | 2021-12-20 |
EP3228964B1 (en) | 2021-06-16 |
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