EP1055883A2 - Smoke extracting hood - Google Patents

Smoke extracting hood Download PDF

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Publication number
EP1055883A2
EP1055883A2 EP00111278A EP00111278A EP1055883A2 EP 1055883 A2 EP1055883 A2 EP 1055883A2 EP 00111278 A EP00111278 A EP 00111278A EP 00111278 A EP00111278 A EP 00111278A EP 1055883 A2 EP1055883 A2 EP 1055883A2
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EP
European Patent Office
Prior art keywords
temperature
extractor hood
exhaust air
mode
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
EP00111278A
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German (de)
French (fr)
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EP1055883A3 (en
EP1055883B1 (en
Inventor
Udo Reiff
Armin Zibold
Dietrich Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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Publication of EP1055883A2 publication Critical patent/EP1055883A2/en
Publication of EP1055883A3 publication Critical patent/EP1055883A3/en
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    • 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
    • F24C15/2021—Arrangement or mounting of control or safety systems

Definitions

  • the invention relates to an extractor hood according to the preamble of claim 1. Accordingly, the invention relates to an extractor hood, which has a switching device for switching between exhaust air mode and recirculation mode.
  • an extractor hood which has an odor filter cassette has within the housing of the extractor hood, in which also houses a grease filter and a blower.
  • the filter material of the Odor filter can be activated carbon or another material that is affected by adhesion, Adsorption, absorption or other chemical odors filters out the airflow generated by the blower and first flows through the grease filter and then through the odor filter.
  • the blower can be arranged in the flow path between the grease filter and the odor filter like this document and also the DE utility model G 91 05 430.3 show. According to DE-A-27 14 286 and DE utility model 1 987 333 it is also possible to arrange the fan downstream of the odor filter.
  • the object of the invention is to solve the disadvantages mentioned Avoid, especially the extractor hood at low outside temperatures automatically in air recirculation mode and automatically at high outside temperatures To operate exhaust air operation.
  • a switching device for switching between Recirculation mode and exhaust air mode an electric drive device and a electrical control device is provided, through which the switching device from the drive device depending on outside temperatures automatically is switchable between exhaust air mode and recirculation mode, below one predetermined first temperature on recirculation mode and above a certain second temperature is automatically switchable to extract air mode.
  • the Outside temperature can be measured with an outside temperature sensor, for example which is a signal representing the outside temperature to the Control device that outputs the signal corresponding to the drive device activated.
  • the air flow is directed past the odor filter or the Odor filter is removed from the airway. This will delay the Contamination of the odor filter reached.
  • an increased suction power of the extractor hood because the flow resistance for the air flow by bypassing the odor filter is reduced.
  • the odor filter can in particular be an activated carbon filter or be another material, which by adhesion, adsorption, absorption or filters out odors from the air flow in another chemical way.
  • the first and second temperatures can be identical or around a predetermined one Temperature range apart. It can be provided that the switching device to an intermediate position for operation with a Share of exhaust air and at the same time with a share of recirculated air can be switched, the switching device temperature controlled by the electric drive device can be automatically switched to the intermediate circuit when the outside temperature is within a predetermined temperature range.
  • an odor filter is completely outside the fume extractor total air flow lies or only in the circulating air flow part or both in Circulating air flow part and in the exhaust air flow part.
  • the housing 10 has a funnel-like lower section 11 the floor 2 and above an upper section 12. Located in the upper section 12 an odor filter 14 and a flap are located above the blower 8 16.
  • the odor filter 14 and the flap 16 are from a drive device 18, preferably an electric linear actuator, or alternatively an electric motor, in a recirculation position "A", an exhaust position "C” or an intermediate position "B” swiveling.
  • the odor filter 14 is directly by the drive device 18 actuated, which in turn via a connecting means 26 (articulated rod) the shutter 16 is actuated.
  • the air recirculation position "A" are the Grease filter 6 and the odor filter 14 in the air path of the entire air flow 9 Blower 8 and thereby filter fat and unwanted odors from the air flow 9 out.
  • the closure flap 16 closes in the circulating air position "A” an exhaust air duct 28 in the upper housing section 12 and directs that from the grease filter 6 filtered air flow 9-2 neutralized by the odor filter 14 through a circulating air duct 29, which may contain a circulating air grille 30, into the room or back to the kitchen in which the extractor hood 4 is installed.
  • a sensor 32 on an outer wall 34 of the building generates depending a signal from the outside temperature via signal lines 36, 38 in a control device 40.
  • the control device 40 controls depending on the outside temperature the drive device 18 with which it is connected via electrical lines 42.44 is connected.
  • the closure flap 16 and the odor filter 14 are in the recirculation position "A", whereby the air flow 9 is completely fed back to the kitchen and thus does not have to be replaced by cold outside air. This will reheat the Kitchen avoided due to heat loss through the extractor hood 4.
  • a certain second temperature which is preferred at or above a normal room temperature (e.g. 18 ° C or higher)
  • the flap 16 and the odor filter 14 from the Drive device brought into exhaust air position "C”. This will make it unnecessary Contamination of the odor filter 14 avoided during the exhaust air operation and causes the fresh outside air flowing into the kitchen to replace the exhaust air no additional heating costs due to their relatively high temperature.
  • the closure flap 16 and the odor filter 14 are in the intermediate position "B".
  • the first temperature and the second temperature can be identical or different.
  • the drive device 18 and the Sensor 32 can adjust the closure flap 16 and the odor filter 14 stepwise or continuously continuously.
  • the first and / or A temperature range is provided as the second temperature, the switchover in one of the operating modes (recirculation position, intermediate position, exhaust air position) with increasing temperature at the upper end of the temperature range and when the temperature drops, at the lower end of the temperature range.
  • the switchover in one of the operating modes (recirculation position, intermediate position, exhaust air position) with increasing temperature at the upper end of the temperature range and when the temperature drops, at the lower end of the temperature range.
  • the odor filter 14 directly in the circulating air duct 29, preferably between the housing 10 and the circulating air grille 30 is arranged, whereby a switching of the odor filter 14 between the Recirculation position "A" and extract air position "C" are not required.
  • the fan 8 in the flow direction is arranged after the odor filter 14.
  • a closure flap 16 instead of a closure flap 16, a flow switch or another Flow diverting device can be used.
  • the invention also makes it possible to provide additional means by which the Outside temperature control can be switched off and a switchover between recirculation mode and exhaust air operation manually and / or via a switch, button or Similar is possible by the electric motor 18 without the extractor hood needs to be dismantled and without the need for tools.

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  • Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

An electric drive (18) and control (40) are used to switch valve flap (16) between exhaust (C) to circulation (A) modes depending on the outside temperature (32) automaticaly. Circulation is automaticaly switched in below a pre-set temperature and exhaust ab a second pre-set temperature. Between these two temperature levels the switching flap (16) is switched to an intermediate settin (B) offering part exhaust and part circulation. The valve is automaticaly controlled by the drive (18) control (40) as a functio temperature so as to switch to mode (B) when the outside temperature is within a pre-set range, using the connection between temperature sensor (32) and control (40). Fume filter (14) is operably connected to the drive (18) and thus switched into the ai flow in exhaust mode and out of the air path during circulating action.

Description

Die Erfindung betrifft eine Dunstabzugshaube gemäß dem Oberbegriff von Anspruch 1.
Demgemäß betrifft die Erfindung eine Dunstabzugshaube, welche eine Umschaltvorrichtung zum Umschalten zwischen Abluftbetrieb und Umluftbetrieb aufweist.The invention relates to an extractor hood according to the preamble of claim 1.
Accordingly, the invention relates to an extractor hood, which has a switching device for switching between exhaust air mode and recirculation mode.

Aus der DE-B-23 63 820 ist eine Dunstabzugshaube bekannt, welche eine Geruchsfilterkassette innerhalb des Gehäuses der Dunstabzugshaube aufweist, in welcher sich auch ein Fettfilter und ein Gebläse befinden. Das Filtermaterial des Geruchsfilters kann Aktivkohle oder ein anderes Material sein, welches durch Adhäsion, Adsorption, Absorption oder auf anderem chemischen Wege Gerüche aus dem Luftstrom herausfiltert, welcher von dem Gebläse erzeugt wird und zuerst durch den Fettfilter und dann durch den Geruchsfilter hindurchströmt. Das Gebläse kann im Strömungsweg zwischen dem Fettfilter und dem Geruchsfilter angeordnet sein, wie dies diese Schrift und auch das DE-Gebrauchsmuster G 91 05 430.3 zeigen. Gemäß der DE-A-27 14 286 und dem DE-Gebrauchsmuster 1 987 333 ist es auch möglich, das Gebläse stromabwärts des Geruchsfilters anzuordnen. Ferner ist es aus dem DE-Gebrauchsmuster GM 78 02 041 bekannt, in einer Dunstabzugshaube mehrere, beispielsweise zwei Gebläse zu verwenden. Aus dieser Schrift sind weiterhin Klappen bekannt, die eine Umstellung zwischen einem Umluftbetrieb, bei dem der Luftstrom in den Raum, in dem sich die Dunstabzugshaube befindet, beispielsweise eine Küche, zurückgerichtet ist, und einem Abluftbetrieb, bei dem der Luftstrom aus dem genannten Raum heraus in einen Außenbereich gerichtet ist, ermöglichen. From DE-B-23 63 820 an extractor hood is known which has an odor filter cassette has within the housing of the extractor hood, in which also houses a grease filter and a blower. The filter material of the Odor filter can be activated carbon or another material that is affected by adhesion, Adsorption, absorption or other chemical odors filters out the airflow generated by the blower and first flows through the grease filter and then through the odor filter. The blower can be arranged in the flow path between the grease filter and the odor filter like this document and also the DE utility model G 91 05 430.3 show. According to DE-A-27 14 286 and DE utility model 1 987 333 it is also possible to arrange the fan downstream of the odor filter. Furthermore, it is known from DE utility model GM 78 02 041, in one Extractor hood to use several, for example two fans. Out this document flaps are known that a switch between one Recirculation mode, in which the air flow into the room in which the extractor hood is located is, for example, a kitchen that is facing, and one Exhaust mode, in which the air flow from the room mentioned into one Outside area, allow.

Bei Abluftbetrieb muß die aus der Küche entfernte Luft ersetzt werden, insbesondere durch Außenluft. Diese muß in der kalten Jahreszeit auf Zimmertemperatur aufgeheizt werden, wodurch sich ein hoher Wärmeverlust oder, bei hoher Luftförderleistung des Gebläses, eine starke Abkühlung der Küche ergibt. Ein ständiger Umluftbetrieb führt dagegen zu einer raschen Verschmutzung des Geruchsfilters.In the case of exhaust air operation, the air removed from the kitchen must be replaced, in particular through outside air. This must be at room temperature in the cold season be heated, which results in a high heat loss or, with high air flow rate of the fan, the kitchen cools down considerably. A constant Recirculation mode, on the other hand, quickly pollutes the odor filter.

Durch die Erfindung soll die Aufgabe gelöst werden, die genannten Nachteile zu vermeiden, insbesondere die Dunstabzugshaube bei tiefen Außentemperaturen automatisch im Umluftbetrieb und bei hohen Außentemperaturen automatisch im Abluftbetrieb zu betreiben.The object of the invention is to solve the disadvantages mentioned Avoid, especially the extractor hood at low outside temperatures automatically in air recirculation mode and automatically at high outside temperatures To operate exhaust air operation.

Diese Aufgabe wird gemäß der Erfindung durch die kennzeichnenden Merkmale von Anspruch 1 gelöst.This object is achieved according to the invention by the characterizing features solved by claim 1.

Weitere Merkmale der Erfindung sind in den Unteransprüchen enthalten.Further features of the invention are contained in the subclaims.

Gemäß der Erfindung sind eine Umschaltvorrichtung zum Umschalten zwischen Umluftbetrieb und Abluftbetrieb, eine elektrische Antriebsvorrichtung und eine elektrische Steuervorrichtung vorgesehen, durch welche die Umschaltvorrichtung von der Antriebsvorrichtung in Abhängigkeit von Außentemperaturen automatisch zwischen Abluftbetrieb und Umluftbetrieb umschaltbar ist, wobei unterhalb einer vorbestimmten ersten Temperatur auf Umluftbetrieb und oberhalb einer bestimmten zweiten Temperatur auf Abluftbetrieb automatisch umschaltbar ist.According to the invention are a switching device for switching between Recirculation mode and exhaust air mode, an electric drive device and a electrical control device is provided, through which the switching device from the drive device depending on outside temperatures automatically is switchable between exhaust air mode and recirculation mode, below one predetermined first temperature on recirculation mode and above a certain second temperature is automatically switchable to extract air mode.

Durch die Erfindung werden folgende Vorteile erzielt:The following advantages are achieved by the invention:

Aufgrund des automatischen Umschaltens von Abluftbetrieb auf Umluftbetrieb und umgekehrt, in Abhängigkeit von der Außentemperatur, wird ein energiesparender Betrieb der Dunstabzugshaube auch in der kalten Jahreszeit gewährleistet. Die Außentemperatur kann beispielsweise mit einem Außentemperaturfühler gemessen werden, welcher ein die Außentemperatur repräsentierendes Signal an die Steuervorrichtung abgibt, die dem Signal entsprechend die Antriebsvorrichtung aktiviert.Due to the automatic switching from exhaust air mode to recirculation mode and conversely, depending on the outside temperature, becomes an energy-saving Operation of the extractor hood guaranteed even in the cold season. The Outside temperature can be measured with an outside temperature sensor, for example which is a signal representing the outside temperature to the Control device that outputs the signal corresponding to the drive device activated.

Gemäß der Erfindung kann vorgesehen sein, daß mit dem Umschalten von Umluft auf Abluftbetrieb der Luftstrom an dem Geruchsfilter vorbeigeleitet wird oder der Geruchsfilter aus dem Luftweg entfernt wird. Dadurch wird eine Verzögerung der Verschmutzung des Geruchsfilters erreicht. Zusätzlich ergibt sich je nach konstruktiver Ausgestaltung eine erhöhte Saugleistung der Dunstabzugshaube, da der Strömungswiderstand für die Luftströmung durch das Umgehen des Geruchsfilters verringert wird. Der Geruchsfilter kann insbesondere ein Aktivkohlefilter oder ein anderes Material sein, welches durch Adhäsion, Adsorption, Absorption oder auf anderem chemischen Wege Gerüche aus dem Luftstrom herausfiltert.According to the invention it can be provided that with the switching of circulating air on exhaust air operation the air flow is directed past the odor filter or the Odor filter is removed from the airway. This will delay the Contamination of the odor filter reached. In addition, depending on the design Design an increased suction power of the extractor hood, because the flow resistance for the air flow by bypassing the odor filter is reduced. The odor filter can in particular be an activated carbon filter or be another material, which by adhesion, adsorption, absorption or filters out odors from the air flow in another chemical way.

Die erste und die zweite Temperatur können identisch sein oder um einen vorbestimmten Temperaturbereich auseinanderliegen. Es kann vorgesehen sein, daß die Umschaltvorrichtung auf eine Zwischenstellung für einen Betrieb mit einem Anteil Abluft und gleichzeitig mit einem Anteil Umluft schaltbar ist, wobei die Umschaltvorrichtung durch die elektrische Antriebsvorrichtung temperaturgesteuert automatisch in die Zwischenschaltung schaltbar ist, wenn die Außentemperatur innerhalb eines vorbestimmten Temperaturbereiches liegt. Für den Betrieb der Dunstabzugshaube in diesem Temperaturzwischenbereich kann vorgesehen sein, daß ein Geruchsfilter vollständig außerhalb des Dunstabzugs-Gesamt-Luftstromes liegt oder nur in dem Umluftstromteil oder sowohl im Umluftstromteil als auch im Abluftstromteil liegt.The first and second temperatures can be identical or around a predetermined one Temperature range apart. It can be provided that the switching device to an intermediate position for operation with a Share of exhaust air and at the same time with a share of recirculated air can be switched, the switching device temperature controlled by the electric drive device can be automatically switched to the intermediate circuit when the outside temperature is within a predetermined temperature range. For operating the extractor hood in this intermediate temperature range can be provided that an odor filter is completely outside the fume extractor total air flow lies or only in the circulating air flow part or both in Circulating air flow part and in the exhaust air flow part.

Die Erfindung wird im folgenden mit Bezug auf die Zeichnung anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. In der Zeichnung zeigt

Fig. 1
eine Dunstabzugshaube gemäß der Erfindung im Vertikalschnitt.
The invention is described below with reference to the drawing using a preferred embodiment as an example. In the drawing shows
Fig. 1
an extractor hood according to the invention in vertical section.

Die Unterseite der in Fig. 1 dargestellten Dunstabzugshaube 4, durch welche die zu reinigende Luft angesaugt wird, kann teilweise oder vollkommen offen sein und im offenen Bereich einen Boden 2 in Form eines Lochbleches oder Gitters oder eines anderen luftdurchlässigen plattenartigen Elementes haben, über welchem ein Fettfilter 6 gefolgt von einem Gebläse 8 zur Erzeugung eines Luftstromes 9 angeordnet ist. Das Gehäuse 10 hat einen trichterartigen unteren Abschnitt 11 mit dem Boden 2 und darüber einen oberen Abschnitt 12. Im oberen Abschnitt 12 befindet sich oberhalb des Gebläses 8 ein Geruchsfilter 14 und eine Verschlußklappe 16. Der Geruchsfilter 14 und die Verschlußklappe 16 sind von einer Antriebsvorrichtung 18, vorzugsweise ein elektrischer Linear-Stellantrieb, oder alternativ ein Elektromotor, in eine Umluftstellung "A", eine Abluftstellung "C" oder eine Zwischenstellung "B" schwenkbar. Der Geruchsfilter 14 wird direkt durch die Antriebsvorrichtung 18 betätigt, welche ihrerseits über ein Verbindungsmittel 26 (Gelenkstange) die Verschlußklappe 16 betätigt. In Umluftstellung "A" befinden sich der Fettfilter 6 und der Geruchsfilter 14 im Luftweg des gesamten Luftstromes 9 des Gebläses 8 und filtern dadurch Fett und unerwünschte Gerüche aus dem Luftstrom 9 heraus. Gleichzeitig verschließt die Verschlußklappe 16 in Umluftstellung "A" einen Abluftkanal 28 im oberen Gehäuseabschnitt 12 und leitet den vom Fettfilter 6 gefilterten und vom Geruchsfilter 14 geruchsneutralisierten Luftstrom 9-2 durch einen Umluftkanal 29, der ein Umluftgitter 30 enthalten kann, in den Raum bzw. in die Küche, in der die Dunstabzugshaube 4 installiert ist, zurück.The underside of the extractor hood 4 shown in Fig. 1, through which the air to be cleaned is partially or completely open and in the open area a floor 2 in the form of a perforated plate or grid or of another air-permeable plate-like element, over which a grease filter 6 followed by a blower 8 for generating an air flow 9 is arranged. The housing 10 has a funnel-like lower section 11 the floor 2 and above an upper section 12. Located in the upper section 12 an odor filter 14 and a flap are located above the blower 8 16. The odor filter 14 and the flap 16 are from a drive device 18, preferably an electric linear actuator, or alternatively an electric motor, in a recirculation position "A", an exhaust position "C" or an intermediate position "B" swiveling. The odor filter 14 is directly by the drive device 18 actuated, which in turn via a connecting means 26 (articulated rod) the shutter 16 is actuated. In the air recirculation position "A" are the Grease filter 6 and the odor filter 14 in the air path of the entire air flow 9 Blower 8 and thereby filter fat and unwanted odors from the air flow 9 out. At the same time, the closure flap 16 closes in the circulating air position "A" an exhaust air duct 28 in the upper housing section 12 and directs that from the grease filter 6 filtered air flow 9-2 neutralized by the odor filter 14 through a circulating air duct 29, which may contain a circulating air grille 30, into the room or back to the kitchen in which the extractor hood 4 is installed.

In der Abluftstellung "C" ist der Geruchsfilter 14 aus dem Luftweg herausgeschwenkt, wodurch eine Verunreinigung dieses Geruchsfilters im Abluftbetrieb vermieden wird. Durch das Verbindungsmittel 26 wurde auch die Verschlußklappe 16 in Abluftstellung "C" gebracht, in welcher die Verschlußklappe den Abluftkanal 28 freigibt und gleichzeitig den Umluftkanal 29 verschließt. Der vom Fettfilter 6 gefilterte Luftstrom 9-3 wird durch den Abluftkanal 28 und danach durch eine Gebäudewand aus der Küche heraus in das Freie geleitet. In the exhaust air position "C", the odor filter 14 is pivoted out of the airway, causing contamination of this odor filter in exhaust air operation is avoided. Through the connecting means 26 was also the closure flap 16 brought into the exhaust air position "C", in which the closure flap the exhaust air duct 28 releases and at the same time closes the air recirculation channel 29. The one from the grease filter 6 Filtered airflow 9-3 is through the exhaust duct 28 and then through a building wall led out of the kitchen into the open.

In Zwischenstellung "B" strömt nur ein Teil des Luftstromes 9 durch den Geruchsfilter 14 und durch den Umluftkanal 29 in die Küche zurück, während ein anderer Teil an dem Geruchsfilter 14 vorbei und durch den Abluftkanal 28 ins Freie strömt. Die Strömungsaufteilung erfolgt an dem Geruchsfilter 14 und an der Verschlußklappe 16 durch deren Schrägstellung.In intermediate position "B" only part of the air flow 9 flows through the odor filter 14 and back through the air duct 29 to the kitchen while another Part past the odor filter 14 and flows through the exhaust air duct 28 into the open. The flow distribution takes place on the odor filter 14 and on the closure flap 16 by their inclination.

Ein Sensor 32 an einer Außenwand 34 des Gebäudes erzeugt in Abhängigkeit von der Außentemperatur ein Signal über Signalleitungen 36,38 in einer Steuervorrichtung 40. Die Steuervorrichtung 40 steuert in Abhängigkeit von der Außentemperatur die Antriebsvorrichtung 18, mit der sie über elektrische Leitungen 42,44 verbunden ist.A sensor 32 on an outer wall 34 of the building generates depending a signal from the outside temperature via signal lines 36, 38 in a control device 40. The control device 40 controls depending on the outside temperature the drive device 18 with which it is connected via electrical lines 42.44 is connected.

Gemäß der Erfindung ist vorgesehen, daß sich bei tiefen Außentemperaturen, die unter einer vorbestimmten ersten Temperatur (z. B. 10° C oder niedriger) liegen, die Verschlußklappe 16 und der Geruchsfilter 14 in Umluftstellung "A" befinden, wodurch der Luftstrom 9 wieder vollständig der Küche zugeführt wird und somit nicht durch kalte Außenluft ersetzt werden muß. Dadurch wird ein Nachheizen der Küche aufgrund von Wärmeverlusten durch die Dunstabzugshaube 4 vermieden. Bei Außentemperaturen oberhalb einer bestimmten zweiten Temperatur, die vorzugsweise bei oder oberhalb einer üblichen Wohnraumtemperatur (z. B. 18° C oder höher) liegt, wird die Verschlußklappe 16 und der Geruchsfilter 14 von der Antriebsvorrichtung in Abluftstellung "C" gebracht. Dadurch wird eine unnötige Verschmutzung des Geruchsfilters 14 während des Abluftbetriebes vermieden und die zum Ersatz der Abluft in die Küche nachströmende frische Außenluft verursacht aufgrund ihrer relativ hohen Temperatur keine zusätzlichen Heizkosten.According to the invention it is provided that at low outside temperatures are below a predetermined first temperature (e.g. 10 ° C or lower), the closure flap 16 and the odor filter 14 are in the recirculation position "A", whereby the air flow 9 is completely fed back to the kitchen and thus does not have to be replaced by cold outside air. This will reheat the Kitchen avoided due to heat loss through the extractor hood 4. At outside temperatures above a certain second temperature, which is preferred at or above a normal room temperature (e.g. 18 ° C or higher), the flap 16 and the odor filter 14 from the Drive device brought into exhaust air position "C". This will make it unnecessary Contamination of the odor filter 14 avoided during the exhaust air operation and causes the fresh outside air flowing into the kitchen to replace the exhaust air no additional heating costs due to their relatively high temperature.

Bei Außentemperaturen, die zwischen der genannten ersten Temperatur und der genannten zweiten Temperatur liegen, ist ein Mischbetrieb möglich, bei welchem die Verschlußklappe 16 und der Geruchsfilter 14 in der Zwischenstellung "B" sind. Andererseits ist auch eine Ausführungsform möglich, bei welcher keine Zwischenstellung

Figure 00060001
B" vorgesehen ist. Hier können die erste Temperatur und die zweite Temperatur identisch oder verschieden sein.At outside temperatures that are between said first temperature and said second temperature, mixed operation is possible in which the closure flap 16 and the odor filter 14 are in the intermediate position "B". On the other hand, an embodiment is also possible in which no intermediate position
Figure 00060001
B "is provided. Here, the first temperature and the second temperature can be identical or different.

Je nach Ausbildung der Steuervorrichtung 40, der Antriebsvorrichtung 18 und des Sensors 32 kann die Verstellung der Verschlußklappe 16 und des Geruchsfilters 14 stufenweise oder stufenlos kontinuierlich erfolgen.Depending on the design of the control device 40, the drive device 18 and the Sensor 32 can adjust the closure flap 16 and the odor filter 14 stepwise or continuously continuously.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist als erste und/oder als zweite Temperatur jeweils ein Temperaturbereich vorgesehen, wobei die Umschaltung in eine der Betriebsarten (Umluftstellung, Zwischenstellung, Abluftstellung) bei steigender Temperatur jeweils am oberen Temperaturbereichsende und bei sinkender Temperatur jeweils am unteren Temperaturbereichsende erfolgt. Dadurch wird vermieden, daß bereits bei kleinen Temperaturschwankungen, beispielsweise durch kurzfristige Abschattung des Temperatursensors 32 durch Wolken, oder durch Schwankungen im Temperatursignal selbst, ein ständiges Hin- und Herschalten zwischen den oben genannten Betriebsarten stattfindet.According to a preferred embodiment of the invention, the first and / or A temperature range is provided as the second temperature, the switchover in one of the operating modes (recirculation position, intermediate position, exhaust air position) with increasing temperature at the upper end of the temperature range and when the temperature drops, at the lower end of the temperature range. This avoids that even with small temperature fluctuations, for example by short-term shading of the temperature sensor 32 by clouds, or due to fluctuations in the temperature signal itself, a constant back and forth Switching between the above operating modes takes place.

Bei einer weiteren Ausführungsform ist vorgesehen, daß der Geruchsfilter 14 direkt in dem Umluftkanal 29, vorzugsweise zwischen Gehäuse 10 und Umluftgitter 30 angeordnet ist, wodurch ein Umschalten des Geruchsfilters 14 zwischen der Umluftstellung "A" und der Abluftstellung "C" entfällt.In a further embodiment it is provided that the odor filter 14 directly in the circulating air duct 29, preferably between the housing 10 and the circulating air grille 30 is arranged, whereby a switching of the odor filter 14 between the Recirculation position "A" and extract air position "C" are not required.

Bei einer weiteren Ausführungsform ist vorgesehen, daß das Gebläse 8 in Strömungsrichtung nach dem Geruchsfilter 14 angeordnet ist.In a further embodiment it is provided that the fan 8 in the flow direction is arranged after the odor filter 14.

Anstatt einer Verschlußklappe 16 kann eine Strömungsweiche oder eine andere Strömungsumleitvorrichtung verwendet werden.Instead of a closure flap 16, a flow switch or another Flow diverting device can be used.

Die Erfindung ermöglicht es auch, zusätzliche Mittel vorzusehen, durch welche die Außentemperaturregelung abschaltbar ist und eine Umschaltung zwischen Umluftbetrieb und Abluftbetrieb manuell und/oder über einen Schalter, Taster oder ähnlichem durch den Elektromotor 18 möglich ist, ohne daß die Dunstabzugshaube demontiert zu werden braucht und ohne daß Werkzeuge erforderlich sind.The invention also makes it possible to provide additional means by which the Outside temperature control can be switched off and a switchover between recirculation mode and exhaust air operation manually and / or via a switch, button or Similar is possible by the electric motor 18 without the extractor hood needs to be dismantled and without the need for tools.

Claims (6)

Dunstabzugshaube (4), welche eine Umschaltvorrichtung (16) zum Umschalten zwischen Abluftbetrieb und Umluftbetrieb aufweist, dadurch gekennzeichnet, daß eine elektrische Antriebsvorrichtung (18) und eine elektrische Steuervorrichtung (40) vorgesehen sind, durch welche die Umschaltvorrichtung (16) von der Antriebsvorrichtung (18) in Abhängigkeit von Außentemperaturen (32) automatisch zwischen Abluftbetrieb (C) und Umluftbetrieb (A) umschaltbar ist, wobei unterhalb einer vorbestimmten ersten Temperatur auf Umluftbetrieb (A) und oberhalb einer bestimmten zweiten Temperatur auf Abluftbetrieb (C) automatisch umschaltbar ist.Extractor hood (4), which has a switching device (16) for switching between exhaust air mode and recirculating air mode, characterized in that an electrical drive device (18) and an electrical control device (40) are provided, by means of which the switch device (16) is separated from the drive device ( 18) depending on outside temperatures (32) can be switched automatically between exhaust air mode (C) and recirculating air mode (A), with automatic switching over to recirculating air mode (A) below a predetermined first temperature and exhaust air mode (C) above a certain second temperature. Dunstabzugshaube nach Anspruch 1, dadurch gekennzeichnet, daß die erste Temperatur und die zweite Temperatur um einen vorbestimmten Temperaturbereich auseinanderliegen, daß die Umschaltvorrichtung (16) auf eine Zwischenstellung (B) für einen Betrieb mit einem Anteil Abluft und gleichzeitig mit einem Anteil Umluft schaltbar ist, und daß die Umschaltvorrichtung (16) durch die elektrische Antriebsvorrichtung (18) temperaturgesteuert durch die Steuervorrichtung (40) automatisch in die Zwischenstellung (B) schaltbar ist, wenn die Außentemperatur (32) innerhalb des vorbestimmten Temperaturbereiches liegt.Extractor hood according to claim 1, characterized in that the first temperature and the second temperature are a predetermined temperature range apart, that the switching device (16) can be switched to an intermediate position (B) for operation with a portion of exhaust air and at the same time with a portion of recirculating air, and that the switchover device (16) can be automatically switched to the intermediate position (B) by the electrical drive device (18) in a temperature-controlled manner by the control device (40) when the outside temperature (32) is within the predetermined temperature range. Dunstabzugshaube nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß an die Steuerschaltung (40) ein Außentemperaturfühler (32) angeschlossen ist.Extractor hood according to claim 1 or 2, characterized in that an outside temperature sensor (32) is connected to the control circuit (40). Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als erste Temperatur und/oder als zweite Temperatur jeweils ein Temperaturbereich vorgesehen ist und daß die Umschaltung auf eine der genannten Betriebsarten (A, B, C) bei steigender Temperatur jeweils am oberen Temperaturbereichsende und bei fallender Temperatur jeweils am unteren Temperaturbereichsende erfolgt.Extractor hood according to one of the preceding claims, characterized in that a temperature range is provided as the first temperature and / or as the second temperature and that the switchover to one of the above-mentioned operating modes (A, B, C) takes place at the upper end of the temperature range and at increasing temperature falling temperature at the lower end of the temperature range. Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Geruchsfilter (14) zum Entziehen von Düften aus der Luft vorgesehen ist, welcher mit der Antriebsvorrichtung (18) antriebsmäßig verbunden (26) und von ihr automatisch für Abluftbetrieb (C) in und für Umluftbetrieb (A) aus dem Luftströmungsweg bewegbar ist.Extractor hood according to one of the preceding claims, characterized in that an odor filter (14) is provided for extracting scents from the air, which is drive-connected (26) to the drive device (18) and automatically by it for exhaust air operation (C) in and for Recirculation mode (A) is movable out of the air flow path. Dunstabzugshaube nach Anspruch 5, dadurch gekennzeichnet, daß der Geruchsfilter (14) ein Aktivkohlefilter ist.Extractor hood according to claim 5, characterized in that the odor filter (14) is an activated carbon filter.
EP00111278A 1999-05-26 2000-05-25 Smoke extracting hood Expired - Lifetime EP1055883B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19923993A DE19923993A1 (en) 1999-05-26 1999-05-26 Extractor hood
DE19923993 1999-05-26

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EP1055883A2 true EP1055883A2 (en) 2000-11-29
EP1055883A3 EP1055883A3 (en) 2003-07-30
EP1055883B1 EP1055883B1 (en) 2006-12-20

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ID=7909165

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EP00111278A Expired - Lifetime EP1055883B1 (en) 1999-05-26 2000-05-25 Smoke extracting hood

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EP (1) EP1055883B1 (en)
AT (1) ATE348984T1 (en)
DE (2) DE19923993A1 (en)
ES (1) ES2276649T3 (en)

Cited By (5)

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WO2007097715A1 (en) * 2006-02-21 2007-08-30 Kim Lui So Controls for ventilation and exhaust ducts and fans
WO2007134829A1 (en) * 2006-05-22 2007-11-29 Werner Pauen Device for a fume hood
EP2290298A2 (en) 2009-09-01 2011-03-02 Wesco Ag Device for diverting an air flow, in particular for an extractor hood
EP2789921A1 (en) * 2013-04-09 2014-10-15 Silverline Küchengeräte und Handel GmbH Extractor hood
CN106949515A (en) * 2017-04-19 2017-07-14 河海大学 A kind of common flue oil smoke purification recovery device for combining Unpowered ventilation machine

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
DE10247194A1 (en) * 2002-10-10 2004-04-22 BSH Bosch und Siemens Hausgeräte GmbH Mist extraction process for cooker involves separating out fat in fat filter, dividing fat-free air into two flows and separating out odor in one of them
DE102007053819A1 (en) 2007-11-12 2009-05-14 BSH Bosch und Siemens Hausgeräte GmbH Exhaust hood
DK2476960T3 (en) 2011-01-12 2014-03-10 Naber Holding Gmbh & Co Kg Switching device for an odor-extraction hood and which can be switched between the circulation operation and the exhaust operation
DE102015116863A1 (en) 2015-10-05 2017-04-06 Miele & Cie. Kg Extractor hood to be operated in extract air and recirculation mode
DK3667176T3 (en) 2018-12-11 2024-03-04 Franke Futurum Ab CAP, METHOD OF OPERATING A CAP

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Publication number Priority date Publication date Assignee Title
WO2007097715A1 (en) * 2006-02-21 2007-08-30 Kim Lui So Controls for ventilation and exhaust ducts and fans
WO2007134829A1 (en) * 2006-05-22 2007-11-29 Werner Pauen Device for a fume hood
EP2290298A2 (en) 2009-09-01 2011-03-02 Wesco Ag Device for diverting an air flow, in particular for an extractor hood
EP2290298A3 (en) * 2009-09-01 2011-03-16 Wesco Ag Device for diverting an air flow, in particular for an extractor hood
EP2290298B2 (en) † 2009-09-01 2021-03-31 Wesco Ag Extractor hood comprising device for diverting an air flow
EP2789921A1 (en) * 2013-04-09 2014-10-15 Silverline Küchengeräte und Handel GmbH Extractor hood
CN106949515A (en) * 2017-04-19 2017-07-14 河海大学 A kind of common flue oil smoke purification recovery device for combining Unpowered ventilation machine

Also Published As

Publication number Publication date
ATE348984T1 (en) 2007-01-15
DE19923993A1 (en) 2000-11-30
EP1055883A3 (en) 2003-07-30
EP1055883B1 (en) 2006-12-20
ES2276649T3 (en) 2007-07-01
DE50013876D1 (en) 2007-02-01

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