EP2476960A1 - Switching device for an extractor hood for switching between circulation and extraction - Google Patents

Switching device for an extractor hood for switching between circulation and extraction Download PDF

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Publication number
EP2476960A1
EP2476960A1 EP11000199A EP11000199A EP2476960A1 EP 2476960 A1 EP2476960 A1 EP 2476960A1 EP 11000199 A EP11000199 A EP 11000199A EP 11000199 A EP11000199 A EP 11000199A EP 2476960 A1 EP2476960 A1 EP 2476960A1
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EP
European Patent Office
Prior art keywords
outlet opening
switching device
guide grid
exhaust air
circulating air
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
EP11000199A
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German (de)
French (fr)
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EP2476960B1 (en
Inventor
Wolf-Christoph Prof.Dr.Ing. Friebel
Hans-Joachim Naber
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Naber Holding GmbH and Co KG
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Naber Holding GmbH and Co KG
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.)
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Publication date
Application filed by Naber Holding GmbH and Co KG filed Critical Naber Holding GmbH and Co KG
Priority to EP20110000199 priority Critical patent/EP2476960B1/en
Priority to DK11000199T priority patent/DK2476960T3/en
Priority to ES11000199T priority patent/ES2441950T3/en
Publication of EP2476960A1 publication Critical patent/EP2476960A1/en
Application granted granted Critical
Publication of EP2476960B1 publication Critical patent/EP2476960B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the invention relates to a switching device for an extractor hood for switching between recirculation and exhaust air operation, with a housing having an opening for vapor from the hood, an outlet opening for circulating air, an outlet opening for exhaust air and a guide grid within the housing, wherein the guide grid between a first position in which the guide grid closes the outlet opening for exhaust air, and a second position in which the guide grid closes the outlet opening for circulating air, is movable.
  • Such a switching device is for example from the EP 1055 883 B1 known.
  • the switching from exhaust air operation to recirculation mode and vice versa is done automatically, depending on the outside temperature, so that energy-saving operation of the hood is guaranteed even in the cold season.
  • the air flow is directed past an odor filter or the odor filter is removed from the air.
  • a closure mechanism is provided, which pivots the filter out of the flow path, at the same time the outlet opening is closed for circulating air.
  • the outlet opening for circulating air is arranged perpendicular to the outlet opening for exhaust air. Since air must additionally flow through the filter during recirculation mode, this results in a way for the circulating air with high flow resistance, so that a fan in the hood must be designed accordingly strong, so that a satisfactory operation is guaranteed.
  • a switching device for a cooker hood for switching between recirculation and To design Ablun rave so that both the circulating air and in the exhaust air operation, the air can flow with little resistance.
  • a switching device of the type mentioned above in that the outlet opening for exhaust air and the outlet opening for circulating air are arranged on the housing opposite each other and perpendicular to the opening for vapor from the hood and that the guide grid the vapors from the hood in a first Direction to the outlet opening for recirculated air passes and in the second position to Auslassöfmung for exhaust air passes.
  • the fact that the vapor is passed directly to the exhaust port for exhaust air or recirculated air eliminates the need to remove any filter materials from the flow path.
  • the guide grille as the only moving component ensures an optimization of the flow path and avoids having to control several flaps for closing the outlet openings.
  • the guide grid is rotatable about an axis which is perpendicular to the flow direction of exhaust air and circulating air and arranged perpendicular to the flow direction of the incoming vapor from the extractor hood.
  • the guide grid is constructed from at least one flow baffle.
  • the guide grid is constructed of at least two spaced Strömungsleitblechen so that turbulence in the air flow are restricted and the pressure loss is minimized. It is preferred that the flow baffles are arranged concentrically,
  • the flow baffles in the guide grid in cross-section on a contour that circumscribes a quarter circle.
  • the interior of the housing of the switching device is provided with a respective sealing strip adjacent the outlet opening for exhaust air and the outlet opening for circulating air, against which the guide grid when reaching the first and the second position.
  • a filter module is provided, which is to be connected to the outlet opening for circulating air.
  • the filter module can then be stationary and sized appropriately to provide good cleaning of the vapor.
  • the filter module has a drawer that holds the filter material so that it is easy to change.
  • the filter module can be followed by a moisture buffer, which temporarily stores the moisture from the vapor and releases it back to the environment in a time-delayed manner in order, for example, to prevent fogging of window panes.
  • FIG. 1 can be used.
  • the filter module 30 consists of a housing 32, the top and side surfaces are provided with slots 34 through which air can flow.
  • the bottom 36 is closed.
  • a first open end 38 serves for connection to the outlet opening 14 for circulating air ( FIG. 1 )
  • the drawer 80 consists of a substantially open frame and has a handle 84 for facilitating displacement.
  • filter material 82 consisting of a mat with a U-shaped cross section can now be inserted.
  • the filter material 82 is z. B. a charcoal-containing mat.

Abstract

The device has a housing including an opening (12) for vapors from an extractor hood, an outlet opening (14) for recirculation air, an outlet opening (16) for exhaust air and a guide baffle (50) within the housing. The baffle is movable between a position in which the baffle closes the latter outlet opening and another position in which the baffle closes the former outlet opening. The outlet openings are arranged perpendicular to the opening. The baffle guides the vapors into the former outlet opening in the former position and into the latter outlet opening in the latter position.

Description

Die Erfindung betrifft eine Umschaltvorrichtung für eine Dunstabzugshaube zum Umschalten zwischen Umluft- und Abluftbetrieb, mit einem Gehäuse, das eine Öffnung für Wrasen von der Dunstabzugshaube, eine Auslassöffnung für Umluft, eine Auslassöffnung für Abluft und ein Leitgitter innerhalb des Gehäuses aufweist, wobei das Leitgitter zwischen einer ersten Position, in der das Leitgitter die Auslassöffnung für Abluft verschließt, und einer zweiten Position, in der das Leitgitter die Auslassöffnung für Umluft verschließt, bewegbar ist.The invention relates to a switching device for an extractor hood for switching between recirculation and exhaust air operation, with a housing having an opening for vapor from the hood, an outlet opening for circulating air, an outlet opening for exhaust air and a guide grid within the housing, wherein the guide grid between a first position in which the guide grid closes the outlet opening for exhaust air, and a second position in which the guide grid closes the outlet opening for circulating air, is movable.

Eine derartige Umschaltvorrichtung ist beispielsweise aus der EP 1055 883 B1 bekannt. Hier geschieht das Umschalten von Abluftbetrieb auf Umluftbetrieb und umgekehrt automatisch, in Abhängigkeit von der Außentemperatur, so dass ein energiesparender Betrieb der Dunstabzugshaube auch in der kalten Jahreszeit gewährleistet ist. Mit dem Umschalten von Umluftauf Abluftbetrieb wird der Luftstrom dabei an einem Geruchsfilter vorbeigeleitet bzw. der Geruchsfilter wird aus dem Luftweg entfernt. Dazu ist eine Verschlussmechanik vorgesehen, die den Filter aus dem Strömungsweg schwenkt, wobei gleichzeitig die Auslassöffnung für Umluft verschlossen wird. Bei der bekannten Umschaltvorrichtung ist vorgesehen, dass die Auslassöffnung für Umluft senkrecht zu der Auslassöffnung für Abluft angeordnet ist. Da Luft beim Umluftbetrieb zusätzlich den Filter durchströmen muss, ergibt sich hiermit ein Weg für die Umluft mit großem Strömungswiderstand, so dass ein Gebläse in der Dunstabzugshaube entsprechend stark ausgelegt werden muss, damit ein zufriedenstellender Betrieb gewährleistet wird.Such a switching device is for example from the EP 1055 883 B1 known. Here, the switching from exhaust air operation to recirculation mode and vice versa is done automatically, depending on the outside temperature, so that energy-saving operation of the hood is guaranteed even in the cold season. By switching from recirculation to exhaust air operation, the air flow is directed past an odor filter or the odor filter is removed from the air. For this purpose, a closure mechanism is provided, which pivots the filter out of the flow path, at the same time the outlet opening is closed for circulating air. In the known switching device, it is provided that the outlet opening for circulating air is arranged perpendicular to the outlet opening for exhaust air. Since air must additionally flow through the filter during recirculation mode, this results in a way for the circulating air with high flow resistance, so that a fan in the hood must be designed accordingly strong, so that a satisfactory operation is guaranteed.

Ausgehend von diesem Stand der Technik ist es die Aufgabe der vorliegenden Erfindung, eine Umschaltvorrichtung für eine Dunstabzugshaube zum Umschalten zwischen Umluft- und Ablunbetrieb derart zu gestalten, dass sowohl im Umluft- als auch im Abluftbetrieb die Luft widerstandsarm strömen kann.Based on this prior art, it is the object of the present invention, a switching device for a cooker hood for switching between recirculation and To design Ablunbetrieb so that both the circulating air and in the exhaust air operation, the air can flow with little resistance.

Diese Aufgabe wird von einer Umschaltvorrichtung der eingangs genannten Art dadurch gelöst, dass die Auslassöffnung für Abluft und die Auslassöffnung für Umluft am Gehäuse einander gegenüberstehend und senkrecht zur Öffnung für Wrasen von der Dunstabzugshaube angeordnet sind und dass das Leitgitter den Wrasen von der Dunstabzugshaube in einer ersten Position zur Auslassöffnung für Umluft leitet und in der zweiten Position zur Auslassöfmung für Abluft leitet. Dadurch, dass der Wrasen unmittelbar zur Auslassöffnung für Abluft bzw. Umluft geleitet wird, entfällt die Notwendigkeit, etwaige Filtermaterialien aus dem Strömungsweg entfernen zu müssen. Das Leitgitter als einzige bewegliche Komponente sorgt für eine Optimierung des Strömungsweges und vermeidet dabei, dass mehrere Klappen zum Verschließen der Auslassöffnungen gesteuert werden müssen.This object is achieved by a switching device of the type mentioned above in that the outlet opening for exhaust air and the outlet opening for circulating air are arranged on the housing opposite each other and perpendicular to the opening for vapor from the hood and that the guide grid the vapors from the hood in a first Direction to the outlet opening for recirculated air passes and in the second position to Auslassöfmung for exhaust air passes. The fact that the vapor is passed directly to the exhaust port for exhaust air or recirculated air eliminates the need to remove any filter materials from the flow path. The guide grille as the only moving component ensures an optimization of the flow path and avoids having to control several flaps for closing the outlet openings.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist das Leitgitter um eine Achse drehbar, die senkrecht zur Strömungsrichtung von Abluft und Umluft und senkrecht zur Strömungsrichtung des eintretenden Wrasen von der Dunstabzugshaube angeordnet ist.According to an advantageous embodiment of the invention, the guide grid is rotatable about an axis which is perpendicular to the flow direction of exhaust air and circulating air and arranged perpendicular to the flow direction of the incoming vapor from the extractor hood.

Bevorzugt ist das Leitgitter aus mindestens einem Strömungsleitblech aufgebaut.Preferably, the guide grid is constructed from at least one flow baffle.

Weiter bevorzugt ist das Leitgitter aus mindestens zwei beabstandeten Strömungsleitblechen aufgebaut, so dass Turbulenzen im Luftstrom eingeschränkt werden und der Druckverlust so minimiert wird. Dabei ist bevorzugt, dass die Strömungsleitbleche konzentrisch angeordnet sind,More preferably, the guide grid is constructed of at least two spaced Strömungsleitblechen so that turbulence in the air flow are restricted and the pressure loss is minimized. It is preferred that the flow baffles are arranged concentrically,

Ebenso bevorzugt weisen die Strömungsleitbleche im Leitgitter im Querschnitt eine Kontur auf, die einen Viertelkreis umschreibt.Also preferably, the flow baffles in the guide grid in cross-section on a contour that circumscribes a quarter circle.

Nach einer weiter vorteilhaften Ausgestaltung ist das Innere des Gehäuses der Umschaltvorrichtung mit je einer Dichtleiste benachbart der Auslassöffnung für Abluft und der Auslassöffnung für Umluft versehen, an der das Leitgitter beim Erreichen der ersten bzw. der zweiten Position anliegt.According to a further advantageous embodiment, the interior of the housing of the switching device is provided with a respective sealing strip adjacent the outlet opening for exhaust air and the outlet opening for circulating air, against which the guide grid when reaching the first and the second position.

Nach einer bevorzugten Ausfilbrungsform ist ein Filtermodul vorgesehen, das an die Auslassöffnung für Umluft anzuschließen ist. Das Filtermodul kann dann stationär sein und geeignet dimensioniert werden, damit für eine gute Reinigung des Wrasen gesorgt wird.According to a preferred Ausfilbrungsform a filter module is provided, which is to be connected to the outlet opening for circulating air. The filter module can then be stationary and sized appropriately to provide good cleaning of the vapor.

Vorzugsweise weist das Filtermodul einen Einschub auf, der das Filtermaterial hält, so dass es bequem zu wechseln ist.Preferably, the filter module has a drawer that holds the filter material so that it is easy to change.

Schließlich kann dem Filtermodul ein Feuchtepuffer nachgeschaltet sein, der die Feuchtigkeit aus dem Wrasen zwischenspeichert und zeitverzögert wieder an die Umgebung abgibt, um zum Beispiel das Beschlagen von Fensterscheiben zu verhindern.Finally, the filter module can be followed by a moisture buffer, which temporarily stores the moisture from the vapor and releases it back to the environment in a time-delayed manner in order, for example, to prevent fogging of window panes.

Im Folgenden soll die Erfindung anhand der beigefügten Zeichnung näher erläutert werden. Dabei zeigt:

Figur 1
eine perspektivische Ansicht einer Umschaltvorrichtung für eine Dunstabzugshaube gemäß einer Ausführungsform der Erfindung;
Figur 2
eine Schnittansicht durch eine Umschaltvorrichtung gemäß einer Ausführungsform der vorliegenden Erfindung, wobei das Leitgitter in einer ersten Position ist;
Figur 3
eine Schnittansicht einer Umschaltvorrichtung gemäß der vorliegenden Erfindung ähnlich der der Figur 2, wobei das Leitgitter jedoch in der zweiten Position ist;
Figur 4
eine Explosionsansicht einer Umschaltvorrichtung gemäß einer Ausführungsform der vorliegenden Erfindung, aus der der prinzipielle Aufbau hervorgeht; und
Figur 5
eine schematische Darstellung, aus der der Aufbau eines Filtermoduls für eine Umschaltvorrichtung gemäß der vorliegenden Erfindung hervorgeht.
  • Figur 1 zeigt eine perspektivisch Ansicht einer Umschaltvorrichtung für eine Dunstabzugshaube gemäß einer Ausführungsform der vorliegenden Erfindung, Die Umschaltvorrichtung 10 weist dabei ein zweiteiliges Gehäuse 18a, 18b auf, das eine Öffnung 12 für Wrasen von einer Dunstabzugshaube (in der Figur nicht dargestellt), eine Auslassöffnung 16 für Abluft und eine Auslassöffnung 14 für Umluft aufweist. Die Auslassöffnung 16 für Abluft und die Auslassöffnung 14 für Umluft sind dabei einander gegenüberstehend am Gehäuse angeordnet. Die Öffnung 12 für Wrasen von der Dunstabzugshaube befindet sich senkrecht zu den beiden Auslassöffnungen 14, 16 am Gehäuse 18a, 18b. Das Umschalten zwischen Abluftbetrieb und Umluftbetrieb geschieht mit Hilfe eines Leitgitters, wie es in den Figuren 2 und 3 näher erläutert wird. Für das Umschalten ist am Gehäuse 18b ein Schalter 20 vorgesehen, der bevorzugt als Drehschalter ausgebildet ist und der zwischen zwei Endpositionen schalten kann. Auch Zwischenstellungen zwischen den Endpositionen sind möglich. Der Schalter 20 kann auch indirekt über einen Bowdenzug 22 betätigt werden, so dass eine Betätigungseinheit 24 benutzerfreundlich beispielsweise an der Küchenwand anzubringen ist. Während die Öffnung 12 für Wrasen von der Dunstabzugshaube als Rundkanal ausgebildet ist, sind die Auslassöffnungen 14, 16 für Umluft bzw. Abluft vorzugsweise als Flachkanäle ausgebildet. An die Öffnung 14 für Umluft schließt sich ein Filtermodul 30 an, das in Zusammenhang mit der Figur 5 näher beschrieben wird. Stromabwärts des Filtermoduls 30 kann ein Feuchtepuffer vorgesehen sein, der in der Zeichnung nicht dargestellt ist. An der Öffnung 16 für Abluft ist ein Abluftkanal 40 angebracht, der die Luft ins Freie leitet.
  • Figur 2 zeigt eine Schnittansicht durch eine Umschaltvorrichtung gemäß einer Ausführungsform der vorliegenden Erfindung. Im Gehäuse ist ein Leitgitter 50 angeordnet, das aus drei konzentrischen Strömungsleitblechen 52, 54, 56 besteht, welche gemeinsam um eine Achse 58 drehbar sind. Die Strömungsleitbleche 52, 54, 56 umschreiben jeweils einen Viertelkreis. In Figur 2 ist eine Position dargestellt, in der Wrasen von der Dunstabzugshaube durch die Öffnung 12 in das Gehäuse eintritt und zur Auslassöffnung 14 für Umluft geleitet werden soll. Das Strömungsleitblech 52 mit dem größten Krümmungsradius übernimmt dabei eine Absperrfunktion, so dass keine Falschluft aus dem geplanten Strömungsweg austreten kann und zur Öffnung 16 für Abluft gelangt. Dabei liegt eine Kante 52a am Rand der Öffnung 12, die zweite, gegenüber stehende Kante 52b liegt an einer Dichtleiste 60 und schließt hier den Strömungsweg. Die Strömungsleitbleche 54, 56 sind von dem Strömungsleitblech 52 beabstandet angeordnet und haben einen entsprechend geringeren Krümmungsradius. Sie dienen dazu, im Zusammenwirken mit dem Strömungsleitblech 52, die Strömung möglichst verlustarm zu halten und zur Auslassöffnung 14 für Umluft zu führen.
  • Figur 3 zeigt eine Schnittansicht ähnlich der Figur 2, wobei aber jetzt der Wrasen von der Dunstabzugshaube von der Öffnung 12 zur Öffnung 16 für Abluft geleitet werden soll. Dazu ist das Leitgitter 50 aus der in Figur 2 gezeigten Position um die Achse 58 um 90° gedreht worden, so dass nun die Kante 52b des Strömungsleitbleches 52 am Rand der Öffnung 12 anliegt, die Kante 52a an einer Dichtleiste 62. Damit ist der Weg zur Öffnung 14 für Umluft erschlossen. Die Abluft von der Dunstabzugshaube tritt hierbei durch die Öffnung 16 für Abluft aus.
  • Figur 4 zeigt eine Explosionsdarstellung der Umschaltvorrichtung. Das Gehäuse besteht aus zwei spiegelsymmetrisch aufgebauten Gehäuseteilen 18a und 18b, wobei in den Strömungsweg zwischen der Auslassöffnung 14 für Umluft und der Auslassöffnung 16 für Abluft das Leitgitter 50 angeordnet ist. Zwei Zapfen - nur einer von ihnen, 66, ist gezeigt - sind auf der Achse des Leitgitters 50 angebracht. Die Gehäuseteile 18a, 18b weisen an geeigneter Stelle Öffnungen 70 bzw. 68 auf, durch die die Zapfen greifen, Beispielsweise wird der Zapfen 66 durch die Öffnung 68 im Gehäuseteil 18b geführt, wobei dieser Zapfen 66 für den Eingriff in den außen am Gehäuseteil 18b anzubringenden Schalter 20 ausgelegt ist. Der Schalter 20 ist stufenlos zwischen zwei Endpositionen schaltbar, die zwei Winkelstellungen des Leitgitters 50 entsprechen, wie es im Zusammenhang mit den Figuren 2 und 3 erläutert worden ist.
  • Figur 5 zeigt den Aufbau eines Filtermoduls 30, wie es bei einer Umschaltvorrichtung gemäß
In the following, the invention will be explained in more detail with reference to the accompanying drawings. Showing:
FIG. 1
a perspective view of a switching device for an extractor hood according to an embodiment of the invention;
FIG. 2
a sectional view through a switching device according to an embodiment of the present invention, wherein the guide grid is in a first position;
FIG. 3
a sectional view of a switching device according to the present invention similar to that of FIG. 2 However, the guide grid is in the second position;
FIG. 4
an exploded view of a switching device according to an embodiment of the present invention, from which the basic structure is apparent; and
FIG. 5
a schematic representation showing the structure of a filter module for a switching device according to the present invention.
  • FIG. 1 The switching device 10 in this case has a two-part housing 18a, 18b, which has an opening 12 for fumes from an extractor hood (not shown in the figure), an outlet opening 16 for Extract air and an outlet opening 14 for circulating air has. The outlet opening 16 for exhaust air and the Outlet opening 14 for circulating air are arranged opposite one another on the housing. The opening 12 for vapor from the extractor hood is perpendicular to the two outlet openings 14, 16 on the housing 18a, 18b. The switching between exhaust air operation and recirculation mode is done with the help of a Leitgitters, as in the Figures 2 and 3 is explained in more detail. For switching a switch 20 is provided on the housing 18b, which is preferably designed as a rotary switch and can switch between two end positions. Also intermediate positions between the end positions are possible. The switch 20 can also be operated indirectly via a Bowden cable 22, so that an operating unit 24 is user-friendly, for example, to install on the kitchen wall. While the opening 12 is designed for vapors from the hood as a circular channel, the outlet openings 14, 16 for circulating air or exhaust air are preferably formed as flat channels. At the opening 14 for circulating air is followed by a filter module 30, which in connection with the FIG. 5 will be described in more detail. Downstream of the filter module 30 may be provided a moisture buffer, which is not shown in the drawing. At the opening 16 for exhaust air, an exhaust duct 40 is attached, which directs the air into the open air.
  • FIG. 2 shows a sectional view through a switching device according to an embodiment of the present invention. In the housing, a guide grid 50 is arranged, which consists of three concentric Strömungsleitblechen 52, 54, 56, which are rotatable about an axis 58 together. The Strömungsleitbleche 52, 54, 56 each circumscribe a quarter circle. In FIG. 2 a position is shown in the vapor from the hood through the opening 12 enters the housing and should be directed to the outlet opening 14 for circulating air. The flow baffle 52 with the largest radius of curvature assumes a shut-off function, so that no false air can escape from the planned flow path and reaches the opening 16 for exhaust air. In this case, an edge 52a lies on the edge of the opening 12, the second, opposite edge 52b is located on a sealing strip 60 and closes here the flow path. The Strömungsleitbleche 54, 56 are spaced from the flow baffle 52 and have a correspondingly smaller radius of curvature. They serve, in cooperation with the flow baffle 52, to keep the flow as low as possible and to lead to the outlet opening 14 for circulating air.
  • FIG. 3 shows a sectional view similar to the FIG. 2 , but now the vapor is to be directed from the hood of the opening 12 to the opening 16 for exhaust air. For this purpose, the guide grid 50 from the in FIG. 2 shown rotated position about the axis 58 by 90 ° been, so that now the edge 52b of Strömungsleitbleches 52 abuts the edge of the opening 12, the edge 52a on a sealing strip 62. Thus, the path to the opening 14 is opened for circulating air. The exhaust air from the hood exits through the opening 16 for exhaust air.
  • FIG. 4 shows an exploded view of the switching device. The housing consists of two mirror-symmetrically constructed housing parts 18a and 18b, wherein in the flow path between the outlet opening 14 for circulating air and the outlet opening 16 for exhaust air, the guide grid 50 is arranged. Two pegs - only one of them, 66, is shown - are mounted on the axis of the guide grid 50. For example, the pin 66 is guided through the opening 68 in the housing part 18b, wherein this pin 66 to be engaged in the outside on the housing part 18b Switch 20 is designed. The switch 20 is continuously switchable between two end positions corresponding to two angular positions of the guide grid 50, as in connection with the Figures 2 and 3 has been explained.
  • FIG. 5 shows the structure of a filter module 30, as in a switching device according to

Figur 1 verwendet werden kann. Das Filtermodul 30 besteht aus einem Gehäuse 32, dessen Oberseite und Seitenflächen mit Schlitzen 34 versehen sind, durch die Luft ausströmen kann. Der Boden 36 ist verschlossen. Ein erstes offenes Ende 38 dient zum Anschluss an die Auslassöffnung 14 für Umluft (Figur 1), In das Gehäuse 32 ist ein Einschub 80 zu führen, der das Filtermaterial 82 hält. Der Einschub 80 besteht aus einem im Wesentlichen offenen Rahmen und hat zum Erleichtern des Verschiebens bzw. Herausziehens einen Griff 84. In den herausgezogenen Ausschub 80 kann nun Filtermaterial 82, das aus einer Matte mit U-förmigen Querschnitt besteht, eingesetzt werden. Wenn der Einschub 80 nun lediglich in das Gehäuse 32 eingeschoben ist, lieg es an/in den drei mit Schlitzen 34 versehenen Seiten des Gehäuses 32. So kann Filtermaterial 82 ersetzt werden, ohne dass eine Demontage des Filtermoduls 30 von der Umschaltvorrichtung erfolgen müsste. Das Filtermaterial 82 ist dabei z. B. eine Aktivkohle enthaltende Matte. FIG. 1 can be used. The filter module 30 consists of a housing 32, the top and side surfaces are provided with slots 34 through which air can flow. The bottom 36 is closed. A first open end 38 serves for connection to the outlet opening 14 for circulating air ( FIG. 1 ) In the housing 32 is a slot 80 to guide, which holds the filter material 82. The drawer 80 consists of a substantially open frame and has a handle 84 for facilitating displacement. In the drawer 80 which has been pulled out, filter material 82 consisting of a mat with a U-shaped cross section can now be inserted. When the insert 80 is now merely inserted into the housing 32, it lies on / in the three sides of the housing 32 provided with slots 34. Filter material 82 can thus be replaced without dismantling the filter module 30 from the switching device. The filter material 82 is z. B. a charcoal-containing mat.

Die in der vorstehenden Beschreibung, in der Zeichnung sowie in den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung wesentlich sein.The features of the invention disclosed in the foregoing description, in the drawing and in the claims may be essential for the realization of the invention both individually and in any desired combination.

Claims (10)

Umschaltvorrichtung für eine Dunstabzugshaube zum Umschalten zwischen Umluft-und Abluftbetrieb, mit einem Gehäuse (18a, 18b), das eine Öffnung (12) für Wrasen von der Dunstabzugshaube, eine Auslassöffnung (14) für Umluft, eine Auslassöffnung (16) für Abluft und ein Leitgitter (50) innerhalb des Gehäuses (18a, 18b) aufweist, wobei das Leitgitter (50) zwischen einer ersten Position, in der das Leitgitter (50) die Auslassöffnung (16) für Abluft verschließt, und einer zweiten Position, in der das Leitgitter die Auslassöffnung (14) für Umluft verschließt, bewegbar ist, dadurch gekennzeichnet, dass die Auslassöffnung (14) für Umluft und die Auslassöffnung (16) für Abluft am Gehäuse (18a, 18b) gegenüberstehend und senkrecht zur Öffnung (12) für Wrasen von der Dunstabzugshaube angeordnet sind und dass das Leitgitter (50) den Wrasen von der Dunstabzugshaube in der ersten Position zur Auslassöffnung (14) für Umluft leitet und in der zweiten Position zur Auslassöffnung (16) für Abluft leitet.Switchover device for an extractor hood for switching between circulating air and exhaust air operation, comprising a housing (18a, 18b) having an opening (12) for fumes from the extractor hood, an outlet opening (14) for circulating air, an outlet opening (16) for exhaust air and a Having guide vanes (50) within the housing (18a, 18b), wherein the guide grid (50) between a first position in which the guide grid (50) closes the outlet opening (16) for exhaust air, and a second position in which the guide grid the outlet opening (14) for circulating air closes, is movable, characterized in that the outlet opening (14) for circulating air and the outlet opening (16) for exhaust air on the housing (18 a, 18 b) facing and perpendicular to the opening (12) for vapors of the Extractor hood are arranged and that the guide grid (50) directs the vapors from the hood in the first position to the outlet opening (14) for circulating air and in the second position to the outlet opening ( 16) for exhaust air passes. Umschaltvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Leitgitter (50) um eine Achse (58) drehbar ist, die senkrecht zur Strömungsrichtung von Abluft und Umluft und senkrecht zur Strömungsrichtung des eintreffenden Wrasen von der Dunstabzugshaube angeordnet ist.Switching device according to claim 1, characterized in that the guide grid (50) about an axis (58) is rotatable, which is arranged perpendicular to the flow direction of exhaust air and circulating air and perpendicular to the flow direction of the incoming vapors from the extractor hood. Umschaltvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Leitgitter (50) aus mindestens einem Strömungsleitblech (52, 54, 56) aufgebaut ist.Switching device according to claim 1 or 2, characterized in that the guide grid (50) from at least one flow baffle (52, 54, 56) is constructed. Umschaltvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass das Leitgitter (50) aus mindestens zwei beabstandeten Strömungsleitblechen (52, 54, 56) aufgebaut ist.Switching device according to claim 4, characterized in that the guide grid (50) from at least two spaced Strömungsleitblechen (52, 54, 56) is constructed. Umschaltvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Strömungsleitbleche (52, 54, 56) konzentrisch angeordnet sind.Switching device according to claim 5, characterized in that the Strömungsleitbleche (52, 54, 56) are arranged concentrically. Umschaltvorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das Leitgitter (50) im Querschnitt eine Kontur aufweist, die einen Viertelkreis umschreibt,Switching device according to one of claims 3 to 5, characterized in that the guide grid (50) has a contour in cross section which circumscribes a quarter circle, Umschaltvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass im Gehäuse (18a, 18b) jeweils eine Dichtleiste (60, 62) benachbart der Auslassöffnung (14) für Umluft und der Auslassöffnung (16) für Abluft angeordnet ist, an der das Leitgitter (50) beim Erreichen der ersten bzw. der zweiten Position anliegt.Switching device according to claim 1, characterized in that in the housing (18a, 18b) in each case a sealing strip (60, 62) adjacent to the outlet opening (14) for circulating air and the outlet opening (16) for exhaust air is arranged, on which the guide grid (50) when reaching the first and the second position is present. Umschaltvorrichtung nach Anspruch 1, gekennzeichnet durch ein Filtermodul (30), das an die Auslassöfkung (14) für Umluft anzuschließen ist.Switching device according to claim 1, characterized by a filter module (30) to be connected to the Auslassöfkung (14) for circulating air. Umschaltvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass das Filtermodul (30) einen Einschub (80) aufweist, der das Filtermaterial (82) hält.Switching device according to claim 8, characterized in that the filter module (30) has a slot (80) holding the filter material (82). Umschaltvorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass dem Filtermodul (30) ein Feuchtepuffer nachgeschaltet ist.Switching device according to claim 8 or 9, characterized in that the filter module (30) is followed by a moisture buffer.
EP20110000199 2011-01-12 2011-01-12 Switching device for an extractor hood for switching between circulation and extraction Active EP2476960B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20110000199 EP2476960B1 (en) 2011-01-12 2011-01-12 Switching device for an extractor hood for switching between circulation and extraction
DK11000199T DK2476960T3 (en) 2011-01-12 2011-01-12 Switching device for an odor-extraction hood and which can be switched between the circulation operation and the exhaust operation
ES11000199T ES2441950T3 (en) 2011-01-12 2011-01-12 Switching device for a fume hood, intended to switch between circulation air operation and output air operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110000199 EP2476960B1 (en) 2011-01-12 2011-01-12 Switching device for an extractor hood for switching between circulation and extraction

Publications (2)

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EP2476960A1 true EP2476960A1 (en) 2012-07-18
EP2476960B1 EP2476960B1 (en) 2013-12-25

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DK (1) DK2476960T3 (en)
ES (1) ES2441950T3 (en)

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NL2010363C2 (en) * 2013-02-26 2014-08-27 Brink Climate Systems B V VENTILATION COMPOSITION, VALVE THEREFORE AND BUILDING WITH SUCH A VENTILATION COMPOSITION.
US20160033152A1 (en) * 2014-07-30 2016-02-04 The Boeing Company Diverter duct for fluidly decoupling fans in a ventilation system
CN108386983A (en) * 2018-02-06 2018-08-10 西安建筑科技大学 A kind of lower resistance diversion three-way component for air conditioner air hose
EP3364119A1 (en) * 2017-02-15 2018-08-22 Ilgaz Özpolat Deviating element
CN110118114A (en) * 2019-02-28 2019-08-13 浙江亚特电器有限公司 A kind of exhaust structure for muffler of four-stroke gasoline engine chain saw

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DE102014106607A1 (en) * 2014-05-12 2015-11-12 Miele & Cie. Kg Extractor hood device and method
DE102017104772A1 (en) 2017-03-07 2018-09-13 Naber Holding Gmbh & Co. Kg Flat channel for the ventilation of buildings and a corresponding mounting arrangement

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GB2147990A (en) * 1983-10-14 1985-05-22 Thorn Emi Domestic Appliances Fan unit
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DE3040051A1 (en) * 1980-10-23 1982-06-03 Georg Röhl, Lichttechnische Spezialfabrik, Apparate- und Gerätebau GmbH & Co KG, 8400 Regensburg Vapour exhaust hood control system - involves control of exhaust and fresh air ratio by regulating blower volume and/or speed
GB2147990A (en) * 1983-10-14 1985-05-22 Thorn Emi Domestic Appliances Fan unit
DE3625975A1 (en) * 1986-07-31 1988-02-11 Buderus Ag Change-over device for selective circulating-air or exhaust-air operation of an extractor hood
EP1055883B1 (en) 1999-05-26 2006-12-20 BSH Bosch und Siemens Hausgeräte GmbH Smoke extracting hood

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2010363C2 (en) * 2013-02-26 2014-08-27 Brink Climate Systems B V VENTILATION COMPOSITION, VALVE THEREFORE AND BUILDING WITH SUCH A VENTILATION COMPOSITION.
EP2770267A3 (en) * 2013-02-26 2016-03-16 Brink Climate Systems B.V. Ventilation assembly, valve therefor and building containing such a ventilation assembly
US20160033152A1 (en) * 2014-07-30 2016-02-04 The Boeing Company Diverter duct for fluidly decoupling fans in a ventilation system
US10215442B2 (en) * 2014-07-30 2019-02-26 The Boeing Company Ventilation system and method including a diverter duct for fluidly decoupling fans
EP3364119A1 (en) * 2017-02-15 2018-08-22 Ilgaz Özpolat Deviating element
EP3364119B1 (en) 2017-02-15 2020-11-04 Ilgaz Özpolat Deviating element
CN108386983A (en) * 2018-02-06 2018-08-10 西安建筑科技大学 A kind of lower resistance diversion three-way component for air conditioner air hose
CN108386983B (en) * 2018-02-06 2020-05-19 西安建筑科技大学 Low-resistance shunt three-way component for ventilation air conditioner air pipe
CN110118114A (en) * 2019-02-28 2019-08-13 浙江亚特电器有限公司 A kind of exhaust structure for muffler of four-stroke gasoline engine chain saw
CN110118114B (en) * 2019-02-28 2023-10-13 浙江亚特电器股份有限公司 Muffler exhaust structure of four-stroke petrol engine chain saw

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EP2476960B1 (en) 2013-12-25
ES2441950T3 (en) 2014-02-07

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