EP2570735A1 - Vapour extractor system and method for operating same - Google Patents

Vapour extractor system and method for operating same Download PDF

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Publication number
EP2570735A1
EP2570735A1 EP12183183A EP12183183A EP2570735A1 EP 2570735 A1 EP2570735 A1 EP 2570735A1 EP 12183183 A EP12183183 A EP 12183183A EP 12183183 A EP12183183 A EP 12183183A EP 2570735 A1 EP2570735 A1 EP 2570735A1
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EP
European Patent Office
Prior art keywords
air
treatment device
branch
hood
extractor
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
EP12183183A
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German (de)
French (fr)
Other versions
EP2570735B1 (en
Inventor
Holger Eich
Martin Graw
Dietmar Jordan
Daniel Metz
Martina Schnatz
Volkmar Uebele
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 date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2570735A1 publication Critical patent/EP2570735A1/en
Application granted granted Critical
Publication of EP2570735B1 publication Critical patent/EP2570735B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGESĀ ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the invention relates to a fume extraction system and a method for operating a fume extraction system.
  • the use of cooker hoods is known.
  • the contaminated air which is also referred to as fumes or vapors, usually cleaned on the one hand via a grease filter and the other via odor filter.
  • odor filter for example, activated carbon filter cassettes or activated carbon filter mats are known, which are arranged in the housing of the extractor hood in the flow direction of the air before or after the blower of the extractor hood.
  • a disadvantage of this known type of air purification is that the impurities, in particular the odors in an activated carbon filter are only taken and stored in this and therefore can escape from the activated carbon filter again. Moreover, it is disadvantageous in these known extractor hoods that the entire air emerging from the fan of the extractor hood is passed over the odor filter and its service life is therefore reduced and / or the air quality exiting the odor filter is impaired.
  • Object of the present invention is therefore to provide a solution by means of which a targeted and efficient cleaning of air, in particular removal of odors from the air can be achieved.
  • the invention is based on the finding that this object can be achieved by the air leaving the extractor hood can be subjected to different treatments.
  • a fume extraction system which has an extractor hood and at least one air treatment device.
  • the extractor hood system is characterized in that the air treatment device is connected to the extractor hood via an air duct and has at least one plasma source for the air treatment, the extractor system between the extractor hood and the at least one air treatment device has a branch of the air duct and at least one air guiding device is provided in the region of the branch, which is adjustable in at least three operating positions.
  • the extractor hood which is also referred to below as a hood or hood, preferably represents a kitchen extractor hood.
  • the extractor hood has a blower, are sucked through the air, in particular steam and vapor from the area below and / or around the extractor hood in this.
  • the fan is also called a fan.
  • at least one grease filter is preferably provided for removing grease or other contaminants, such as water droplets.
  • At least one air outlet is provided on the extractor hood, which can be configured as a pipe or pipe socket on the fan housing of the extractor hood.
  • An air treatment device is a device in which air is at least partially actively treated and cleaned.
  • the air treatment device is therefore also referred to as a cleaning unit or air cleaner.
  • the air treatment device has at least one plasma source according to the invention.
  • odors contained in the air may be at least partially decomposed.
  • the air treatment device may also have at least one filter in addition to the plasma source. This filter is used in the air treatment device according to the invention predominantly the inclusion of not or not completely decomposed odors.
  • reactive species such as ozone, which may be present in the treatment of the air by the plasma, may also be included in the filter.
  • the filter therefore preferably surrounds at least partially the space in which the plasma is generated and the air is treated with the plasma.
  • the filter which is also referred to as an odor filter, may, for example, have activated carbon or other adsorbent as filter material.
  • the air treatment device is connected to the extractor hood.
  • the air treatment device When connected to the extractor hood, according to the invention, it is preferable to connect or arrange the air treatment device in FIG or understood on the housing of the hood, for example in the chimney of the hood.
  • an air duct is provided between the extractor hood and the air treatment device.
  • This air duct may be provided for example as a pipe, hose or channel.
  • the air guide connects to the blower housing, in particular an outlet of the blower housing, the hood.
  • the branch which is provided according to the invention in the air duct, can be configured as a branch, bifurcation or other division of the air duct.
  • At least one air guiding device is provided.
  • air guiding device in particular a device for air deflection or air blocking is referred to.
  • the spoiler can also be referred to as an air switch.
  • the air guiding device when arranged in the region of the branch, it is preferable to understand an arrangement directly at the branch or in the flow direction after the branch in the vicinity of the branch.
  • the air supply to the air treatment device or the at least one further branch, which is also referred to below as the branch, of the branch can be set.
  • the spoiler device can be adjusted in at least three operating positions.
  • positions or settings of the air guiding device are understood to mean operating positions in which these can be held and thus direct the air flow in different directions over at least a certain time. Due to the different operating positions of the spoiler different operating conditions of the extractor system are thus set.
  • the spoiler device may have locking elements or other fixing element, such as stops, which can hold the spoiler in the at least three operating positions.
  • the three operating positions of the spoiler device which can preferably be adjusted, are designated in particular as a cleaning position, discharge position and mixing position. If the air-guiding device is set to the cleaning position, preferably the entire air flow emerging from the extractor hood is conducted to the air-conditioning device and cleaned there, that is to say especially freed of odors. From the air treatment device, the cleaned air flow back into the room in which the hood is operated, be returned. In the cleaning position of the air guiding device, the operating state set on the extractor system is referred to as a cleaning state or a cleaning operation.
  • the entire air flow emerging from the extractor hood is preferably conducted past the air treatment device, that is to say it does not reach the air treatment device.
  • a discharge operation is set to the extractor system.
  • This can be a recirculation mode or an exhaust air mode.
  • a circulating air operation the air is passed after passing the spoiler to an air line, which leads, for example via a home ventilation system in another room or directly back into the room in which the hood of the extractor system is operated.
  • an exhaust air operation the air is passed after passing the air guide to an air line, which may for example represent an exhaust pipe or exhaust air system and into the environment, that leads to the outside.
  • a mixing state or mixing operation of the extractor system which is a mixture of cleaning operation and discharge operation, that is, recirculation or exhaust air operation, is set.
  • a part of the air flow exiting the extractor hood is preferably conducted to the air treatment device and another part is routed past the air treatment device to at least one air line and from there either into the room or into the environment.
  • the advantage of the extractor system according to the invention is that the air that has been sucked in from the extractor hood and optionally already freed from contaminants, such as fat and / or liquid particles, can be cleaned in a targeted and efficient manner and, in particular, odors are removed from the air can.
  • the efficiency is achieved in the extractor hood system according to the invention in particular by the fact that the air supply to an air treatment device or other components can be adjusted specifically and adapted to the ambient conditions.
  • the use of an air treatment device with a plasma source also destroys or decomposing the odors, which is advantageous over the pure separation of the odors in known filters, since leakage of the odors from the air treatment device can be largely prevented.
  • the plasma source of the air treatment device comprises means for generating a dielectric barrier discharge, in particular at least two electrodes.
  • This type of plasma generation is also referred to as DBE.
  • DBE is in particular the electrical discharge between two electrodes, which are separated by an insulating dielectric barrier.
  • air can be present between the electrodes and, in particular, the air to be treated can flow between the electrodes. This simplifies the construction of the air treatment device and, moreover, good mixing of the air to be treated in the air treatment device can be achieved.
  • the DBE generates a plasma, by means of which the air entering the air treatment device is subjected to high energy and is thus treated. In particular, odors contained in the air are decomposed.
  • the air deflector of the extractor system is adjustable in at least three operating positions, even with the discharge of a portion of the air flow in a branch of the air duct, which is not connected to the air treatment device, a certain air supply to the air treatment device can continue to be ensured.
  • This condition is also called mixed state.
  • the air treatment device is a separate device to the hood, which is connected via the air duct with the extractor hood.
  • the connection can be made via channels or pipes as described above.
  • the separate embodiment of the air treatment device has a number of advantages.
  • the air treatment device can also be provided subsequently for operation with the extractor hood.
  • the Dimensions of the air treatment device are selected according to the functions of the air treatment device and do not necessarily have to be adapted to the dimensions of the extractor hood.
  • the air treatment device is preferably provided in a housing of the extractor device, for example, received in a chimney or duct of the extractor hood.
  • the branch of the air duct has at least three branches, wherein one of the branches is connected to the extractor hood, one of the branches to the air treatment device and one of the branches to an air line.
  • the branch, which is connected to the air line, according to the invention can also represent the air line itself.
  • An air duct is hereby referred to a system by means of which air can be discharged into the environment and / or into the room in which the extractor hood is operated or into another room.
  • the air line can therefore lead to the outside, that is, the air is discharged outside the building.
  • the air line can also be a house ventilation system.
  • the air line can also lead into the room in which the hood is operated.
  • the air is led away from the hood.
  • the air depending on the ambient conditions or the conditions of the components of the extractor system can be passed into the corresponding branches of the air duct.
  • the amount of air that is directed to the air conditioning device can be minimized.
  • the air treatment device is less stressed and its service life can thus be increased.
  • the further branch of the air duct is connected to an air line, which is followed by an exhaust air system or exhaust air duct, for example, air with a high degree of contamination can be led out of the building instead of passing it via the air treatment device.
  • the temperatures in the room in which the hood is operated, and the environment can be considered.
  • the air can always be returned to the room where the cooker hood is operated.
  • This recirculation may be via the air treatment device or via an air line, which is referred to as recirculation line, done. This energy can be saved because the heated room air is returned to the room.
  • the extractor system can be used to ventilate the room by releasing the air into the environment.
  • At least one filter element is arranged in the air line which is connected to or represents one of the branches of the branch.
  • This filter element preferably represents an odor filter, which may be, for example, an activated carbon filter.
  • the filter element is particularly preferably provided in the cases in which the air line leads back to the room in which the extractor hood is operated.
  • the filter element is therefore preferably provided in a recirculation line or a house ventilation system. In this case, the filter element in the vicinity of the branch or even at a different location, in particular just before the exit of the air duct in the room in which the hood is operated, or be arranged in another room.
  • the spoiler device is a flap.
  • This embodiment is particularly simple in construction and handling.
  • the flap may in this case be provided at the junction so that it covers at least a part of the cross section of one of the branches, which depart from the branch, depending on the set position or position.
  • the setting can be made even more accurate.
  • other air guiding devices are also possible which at least temporarily reduce the cross section of at least one of the branch branches.
  • the air guiding device is infinitely adjustable in different positions or positions.
  • more than three operating positions of the spoiler device can be adjusted.
  • the cleaning state and the derivative state are still included in the possible states.
  • a number of mixed states can be set. This is advantageous because it allows a further increase in efficiency.
  • the drive of the spoiler device and its fixation in the different states can be done particularly advantageous in this embodiment by a motor.
  • the air guiding device is connected to at least one sensor, in particular a sensor for determining the air condition.
  • a sensor for determining the air condition for example, the temperature in the room in which the extractor hood is operated, the outside temperature, the difference between these two temperatures, the air humidity and / or the loading of the inside air with impurities (for example VOC (volatile organic compounds)) are referred to as the air condition.
  • impurities for example VOC (volatile organic compounds)
  • the determined values can then serve as parameters for the automatic adjustment of the operating position of the air guiding device.
  • the extractor system has a control unit for controlling the at least one air guiding device.
  • the spoiler device can be brought into the different operating positions and optionally also held there.
  • the control unit can serve to determine the operating position of the air guiding device to be set.
  • the control unit may be connected to sensors, for example. By means of these sensors, the air state can then be determined and from this the suitable operating state of the extractor system to be set via the air guiding device can be determined.
  • the control of the spoiler device (s) is preferably carried out automatically, for example via one or more motors.
  • the invention relates to a method for operating a fume extraction system according to the invention.
  • the method is characterized in that at least one of at least three operating states of the extractor system is set by the air guiding device.
  • the air guiding device is controlled as a function of at least one state variable of the air condition.
  • FIG. 1 a first embodiment of a fume extraction system 1 according to the present invention is shown.
  • the extractor hood system 1 comprises an extractor hood 10 and an air treatment device 11 connected thereto.
  • the extractor hood 10 is connected to the air treatment device 11 via an air guide 12.
  • the extractor hood 10 is located above a hob 2, in the illustrated embodiment between upper cabinets 3 a kitchenette.
  • the air treatment device 11 is arranged in the illustrated embodiment on one of the upper cabinets 3 between the upper cabinet 3 and the ceiling 4, the room in which the hood 10 is operated. This room is referred to below as a kitchen.
  • FIG. 5 One possible construction of the air treatment device 11 is schematic in FIG. 5 shown.
  • This air treatment device 11 has in particular a housing 110, as well as a plasma source 111 arranged therein.
  • the plasma source 111 comprises two electrodes 111 a, 111 b arranged parallel to one another. Via these electrodes 111 a, 111 b, a DBE is initiated.
  • FIG. 5 For better visibility of the interior of the housing 110, the top and the front of the housing 110 are not shown.
  • This top and front of the housing 110 may for example consist of a filter, the in turn, as a filter material, for example, may have activated carbon. It is also within the scope of the invention, at least partially, to form further or other sides of the housing 110 through a filter.
  • a branch 120 is provided in the air guide 12, a branch 120 is provided.
  • the air duct 12 is at this junction of the branch 121, which emanates from the hood 10, in two branches or branches 122, 123 on.
  • the branch 122 leads to the air treatment device 11 and the branch 123 passes through the ceiling 4.
  • the branch 123 instead of through the ceiling 4 can also pass through the kitchen wall to which the hood 10 is attached, or through another kitchen wall. Outside the room, this branch 123, for example, in an unillustrated exhaust system or a home ventilation system, also not shown.
  • the branch 123 thus constitutes an air duct branch in the sense of the present invention.
  • sensors 14, 15 are attached to the hood 10 and outside the room, in particular the kitchen.
  • the sensor 14 is used, for example, to detect the air condition in the kitchen, while the sensor 15, which is located outside the room, for example, serves to detect the outside temperature.
  • the position of the sensors 14, 15 is in the FIG. 1 only indicated schematically. It is also within the scope of the invention, the sensor 14 at a different location in the kitchen, for example, at a different location on the hood 10 or spaced to the hood 10 to order.
  • the sensor 15 may be provided, for example, on the outside of the building.
  • an air guiding device 13 is arranged in the form of a flap.
  • the spoiler 13 is provided at the branch 120.
  • branch 122 By pivoting the spoiler 13 can optionally branch 122, which leads to the air treatment device 11 or the branch 123, which leads through the ceiling 4, are closed.
  • FIG. 1 shown position of the spoiler 13 is derived from the hood 10 air flow flowing through the branch 121 of the air duct 120, between the branch 122 and the branch 123 divided. The spoiler 13 is thus in a mixing position.
  • the different operating conditions or flow conditions of the extractor system at different operating positions of the air guiding device 13 are schematically in the FIGS. 4a to 4c shown.
  • the air guiding device 13 is set so that it completely closes the branch 122 to the air treatment device 11 of the extractor system 1.
  • the entire air coming from the extractor hood 10 flows via the branch 121 to the branch 120 and is introduced there into the branch 123.
  • the air enters an exhaust system or a home ventilation system (both not shown).
  • This operating position of the spoiler device which in FIG. 4a is also referred to as Ab effetswolf state and the operating state of the extractor system generated thereby is referred to as Ab effetsschreib.
  • the operating state of the extractor system is also referred to as exhaust air operation.
  • a home ventilation system is connected, then the operating state of the extractor system is also referred to as recirculation mode or circulation mode.
  • FIG. 4b is already in FIG. 1 shown mixed state in which the air flow from the branch 121 of the hood 10 into air streams in the branches 122 and 123 divides.
  • the air flow purified in the air treatment device 11 may at least partially exit via the air treatment device 11. This is in FIG. 4b indicated by the block arrows on the air treatment device 11.
  • the air preferably exits from this after passing through a filter in the air treatment device 11.
  • the filter (not shown) therefore preferably forms part of the wall of the air treatment device 11.
  • FIG 4c the air guiding device 13 is shown in a cleaning position.
  • the thus set operating state of the extractor system is also referred to as a cleaning state.
  • the air guiding device 13 completely closes the branch 123 of the air guide 120, so that the entire air flow guided by the extractor hood 10 into the branch 121 is conducted into the air treatment device 11 where it is treated or treated. From the air treatment device 11, the air can then be returned to the kitchen.
  • control unit 16 In the FIGS. 4a to c is also a control unit 16 indicated.
  • the control unit 16 may be connected to the sensors 14, 15 and use the received sensor signals to determine a suitable operating position of the air guiding device 13.
  • FIG. 2 a second embodiment of the extractor system 1 according to the invention is shown.
  • the second embodiment differs from the first embodiment only by the air guide 120.
  • the branch 121 which originates from the extractor hood 10, in the already described branch 122 to the air treatment device 11 and a second branch 124 over.
  • the branch 124 represents an air duct, which leads to the kitchen and ends there.
  • a filter element 125 is provided at the end of the air duct 124. This filter element 125 preferably represents an odor filter.
  • only one sensor 14 is provided, via which the air condition in the kitchen can be detected.
  • an air guiding device 13 is provided, via which the air flow from the branch 121 is selectively directed into the branch 122 or the branch 124 or partially into each of these two branches 122, 124.
  • the entire guided by the cooker hood 10 in the branch 120 air is returned to the kitchen.
  • the return takes place either via the air treatment device 11 or via the filter element 125 or both via the air treatment device 11 and via the filter element 125th
  • FIG. 3 a third embodiment of the extractor system 1 is shown.
  • This embodiment differs from the second embodiment FIG. 2 in that, in addition to the branches 122 and 124, a branch 123 according to the first embodiment of FIG. 1 is provided, which leads out of the room in which the hood 10 is operated.
  • an air guiding device 13 is likewise provided at the branch 120. Via the air guiding device 13, the air coming from the branch 121 from the extractor hood 10 can be routed either to the air treatment device 11, to the filter element 125 or into an exhaust air or house ventilation system (not shown) connected to the branch 123.
  • mixing states can be set via the air guiding device 13, in which, for example, only part of the air flow from the branch 121 to the air treatment device 11 and another part to the filter element 125 and / or to the exhaust air or home ventilation system (not shown) is directed.
  • the invention is not limited to the embodiments shown.
  • an air treatment device which is also referred to as an air cleaner unit and, for example, based on dielectric barrier discharge (DBE) works with a cooker hood, which is also referred to as extractor hood combined.
  • a spoiler such as a flap
  • the air flow either completely in an exhaust system, which is also referred to as exhaust system, a home ventilation system or a filter or similar or without filter back into the room air is passed.
  • the air can be passed according to the invention after passing through the air cleaner back into the room air.
  • the position of the spoiler, such as the flap is free or adjustable in stages, but can also automatically depending on parameters such as the outdoor and indoor temperature, the relative humidity, the VOC (volatile organic compond) load on indoor air, controlled become.
  • An advantage of this invention is that, for example, in winter, the heated room air is not blown into the open and thus reduces the heat loss on the other hand, if necessary, the ventilation can take place outdoors in summer. Another advantage is that air conditioned in the summer does not have to be released outside.
  • the extractor system for example, depending on the filter aging or piping, by the controller, in particular by the control by the air deflector, also be optimized in terms of pressure drop and noise.
  • an activated carbon filter is used as an odor filter on the hood, existing odors in the air cleaner, for example, reduced from cooking processes instead of being stored and thus can not, as in conventional activated carbon filters escape again.

Abstract

The system (1) has a hood (10) and an air conditioning device (11) which is connected with the hood through an air duct (12). A plasma source for air treatment, has an air duct branch (120) which is provided between the hood and the air conditioning device. A spoiler (13) is provided in the region of the air duct branch and adjustable in three operating positions such as cleaning position, dissipation position and mixture position. An independent claim is included for method for operating the vapor extractor system.

Description

Die Erfindung betrifft ein Dunstabzugssystem und ein Verfahren zum Betreiben eines Dunstabzugssystems.The invention relates to a fume extraction system and a method for operating a fume extraction system.

Zur Reinigung von Luft, die beispielsweise beim Kochen auftritt, ist die Verwendung von Dunstabzugshauben bekannt. Hierbei wird die verunreinigte Luft, die auch als DĆ¼nste oder Wrasen bezeichnet wird, in der Regel zum einen Ć¼ber einen Fettfilter und zum anderen Ć¼ber Geruchsfilter gereinigt. Als Geruchsfilter sind beispielsweise Aktivkohlefilterkassetten oder Aktivkohlefiltermatten bekannt, die in dem GehƤuse der Dunstabzugshaube in Strƶmungsrichtung der Luft vor oder nach dem GeblƤse der Dunstabzugshaube angeordnet sind.For the purification of air, which occurs for example when cooking, the use of cooker hoods is known. Here, the contaminated air, which is also referred to as fumes or vapors, usually cleaned on the one hand via a grease filter and the other via odor filter. As odor filter, for example, activated carbon filter cassettes or activated carbon filter mats are known, which are arranged in the housing of the extractor hood in the flow direction of the air before or after the blower of the extractor hood.

Ein Nachteil dieser bekannten Art der Luftreinigung besteht darin, dass die Verunreinigungen, insbesondere die Geruchsstoffe bei einem Aktivkohlefilter lediglich in diesem aufgenommen und gespeichert werden und daher aus dem Aktivkohlefilter wieder austreten kƶnnen. Zudem ist bei diesen bekannten Dunstabzugshauben nachteilig, dass die gesamte aus dem GeblƤse der Dunstabzugshaube austretende Luft Ć¼ber den Geruchsfilter gefĆ¼hrt wird und dessen Standzeit daher verringert wird und/oder die aus dem Geruchsfilter austretende LuftqualitƤt verschlechtert wird.A disadvantage of this known type of air purification is that the impurities, in particular the odors in an activated carbon filter are only taken and stored in this and therefore can escape from the activated carbon filter again. Moreover, it is disadvantageous in these known extractor hoods that the entire air emerging from the fan of the extractor hood is passed over the odor filter and its service life is therefore reduced and / or the air quality exiting the odor filter is impaired.

Aufgabe der vorliegenden Erfindung ist es daher, eine Lƶsung zu schaffen, mittels derer eine gezielte und effiziente Reinigung von Luft, insbesondere Entfernung von Geruchsstoffen aus der Luft erreicht werden kann.Object of the present invention is therefore to provide a solution by means of which a targeted and efficient cleaning of air, in particular removal of odors from the air can be achieved.

Der Erfindung liegt die Erkenntnis zugrunde, dass diese Aufgabe gelƶst werden kann, indem die die Dunstabzugshaube verlassende Luft unterschiedlichen Behandlungen unterzogen werden kann.The invention is based on the finding that this object can be achieved by the air leaving the extractor hood can be subjected to different treatments.

ErfindungsgemƤƟ wird diese Aufgabe daher gelƶst durch ein Dunstabzugssystem, das eine Dunstabzugshaube und mindestens eine Luftaufbereitungsvorrichtung aufweist. Das Dunstabzugssystem ist dadurch gekennzeichnet, dass die Luftaufbereitungsvorrichtung mit der Dunstabzugshaube Ć¼ber eine LuftfĆ¼hrung verbunden ist und mindestens eine Plasmaquelle fĆ¼r die Luftaufbereitung aufweist, das Dunstabzugssystem zwischen der Dunstabzugshaube und der mindestens einen Luftaufbereitungsvorrichtung eine Verzweigung der LuftfĆ¼hrung aufweist und im Bereich der Verzweigung zumindest eine Luftleitvorrichtung vorgesehen ist, die in mindestens drei Betriebsstellungen einstellbar ist.According to the invention, this object is therefore achieved by a fume extraction system which has an extractor hood and at least one air treatment device. The extractor hood system is characterized in that the air treatment device is connected to the extractor hood via an air duct and has at least one plasma source for the air treatment, the extractor system between the extractor hood and the at least one air treatment device has a branch of the air duct and at least one air guiding device is provided in the region of the branch, which is adjustable in at least three operating positions.

Die Dunstabzugshaube, die im Folgenden auch als Haube oder Abzug bezeichnet wird, stellt vorzugsweise eine KĆ¼chendunstabzugshaube dar. Die Dunstabzugshaube weist ein GeblƤse auf, Ć¼ber das Luft, insbesondere DĆ¼nste und Wrasen von dem Bereich unterhalb und/oder um die Dunstabzugshaube in diese eingesaugt werden. Das GeblƤse wird auch als LĆ¼fter bezeichnet. In der Dunstabzugshaube ist vorzugsweise zumindest ein Fettfilter zur Entfernung von Fett oder anderen Verunreinigungen, wie Wassertropfen, vorgesehen. An der Dunstabzugshaube ist mindestens ein Luftauslass vorgesehen, der als Rohr oder Rohrstutzen an dem GeblƤsegehƤuse der Dunstabzugshaube ausgestaltet sein kann.The extractor hood, which is also referred to below as a hood or hood, preferably represents a kitchen extractor hood. The extractor hood has a blower, are sucked through the air, in particular steam and vapor from the area below and / or around the extractor hood in this. The fan is also called a fan. In the extractor hood, at least one grease filter is preferably provided for removing grease or other contaminants, such as water droplets. At least one air outlet is provided on the extractor hood, which can be configured as a pipe or pipe socket on the fan housing of the extractor hood.

Als Luftaufbereitungsvorrichtung wird eine Vorrichtung bezeichnet, in der Luft zumindest teilweise aktiv behandelt und gereinigt wird. Die Luftaufbereitungsvorrichtung wird daher auch als Reinigungseinheit oder Luftreiniger bezeichnet. Die Luftaufbereitungsvorrichtung weist hierzu erfindungsgemƤƟ mindestens eine Plasmaquelle auf. Durch Erzeugen eines Plasmas in der Luftaufbereitungsvorrichtung kƶnnen Geruchsstoffe, die in der Luft enthalten sind, zumindest teilweise zersetzt werden. Die Luftaufbereitungsvorrichtung kann zusƤtzlich zu der Plasmaquelle auch mindestens einen Filter aufweisen. Dieser Filter dient bei der erfindungsgemƤƟen Luftaufbereitungsvorrichtung vorwiegend der Aufnahme nicht oder nicht vollstƤndig zersetzter Geruchsstoffe. Zudem kƶnnen in dem Filter auch reaktive Spezies, wie beispielsweise Ozon, die bei der Behandlung der Luft durch das Plasma auftreten kƶnnen, aufgenommen werden. Hierdurch kann die Luftaufbereitungsvorrichtung sicher betrieben werden und es ist mƶglich die in der Luftaufbereitungsvorrichtung behandelte Luft wieder in den Raum, in dem die Dunstabzugshaube betrieben wird, insbesondere in die KĆ¼che, zurĆ¼ckzufĆ¼hren. Der Filter umgibt daher vorzugsweise den Raum, in dem das Plasma erzeugt und die Luft mit dem Plasma behandelt wird, zumindest teilweise. Der Filter, der auch als Geruchsfilter bezeichnet wird, kann beispielsweise Aktivkohle oder andere Adsorbermittel als Filtermaterial aufweisen.An air treatment device is a device in which air is at least partially actively treated and cleaned. The air treatment device is therefore also referred to as a cleaning unit or air cleaner. For this purpose, the air treatment device has at least one plasma source according to the invention. By generating a plasma in the air treatment device, odors contained in the air may be at least partially decomposed. The air treatment device may also have at least one filter in addition to the plasma source. This filter is used in the air treatment device according to the invention predominantly the inclusion of not or not completely decomposed odors. In addition, reactive species, such as ozone, which may be present in the treatment of the air by the plasma, may also be included in the filter. As a result, the air treatment device can be operated safely and it is possible the air treated in the air treatment device back into the room in which the hood is operated, in particular in the kitchen, due. The filter therefore preferably surrounds at least partially the space in which the plasma is generated and the air is treated with the plasma. The filter, which is also referred to as an odor filter, may, for example, have activated carbon or other adsorbent as filter material.

ErfindungsgemƤƟ ist die Luftaufbereitungsvorrichtung mit der Dunstabzugshaube verbunden. Als mit der Dunstabzugshaube verbunden, wird erfindungsgemƤƟ vorzugsweise ein AnschlieƟen an oder Anordnen der Luftaufbereitungsvorrichtung in oder an dem GehƤuse der Dunstabzugshaube, beispielsweise im Kamin der Dunstabzugshaube verstanden. Hierbei ist zwischen der Dunstabzugshaube und der Luftaufbereitungsvorrichtung eine LuftfĆ¼hrung vorgesehen.According to the invention, the air treatment device is connected to the extractor hood. When connected to the extractor hood, according to the invention, it is preferable to connect or arrange the air treatment device in FIG or understood on the housing of the hood, for example in the chimney of the hood. In this case, an air duct is provided between the extractor hood and the air treatment device.

Diese LuftfĆ¼hrung kann beispielsweise als Rohr, Schlauch oder Kanal vorgesehen sein. Vorzugsweise schlieƟt sich die LuftfĆ¼hrung an das GeblƤsegehƤuse, insbesondere einen Auslassstutzen des GeblƤsegehƤuses, der Dunstabzugshaube an. Die Verzweigung, die in der LuftfĆ¼hrung erfindungsgemƤƟ vorgesehen ist, kann als Abzweigung, Vergabelung oder andersartige Aufteilung der LuftfĆ¼hrung ausgestaltet sein.This air duct may be provided for example as a pipe, hose or channel. Preferably, the air guide connects to the blower housing, in particular an outlet of the blower housing, the hood. The branch, which is provided according to the invention in the air duct, can be configured as a branch, bifurcation or other division of the air duct.

Im Bereich der Verzweigung ist zumindest eine Luftleitvorrichtung vorgesehen. Als Luftleitvorrichtung wird insbesondere eine Vorrichtung zur Luftumlenkung oder Luftsperrung bezeichnet. Die Luftleitvorrichtung kann auch als Luftweiche bezeichnet werden. Als in dem Bereich der Verzweigung angeordnet, wird im Sinne dieser Erfindung vorzugsweise eine Anordnung unmittelbar an der Verzweigung oder in Strƶmungsrichtung nach der Verzweigung in der NƤhe der Verzweigung verstanden. Durch diese Anordnung der Luftleitvorrichtung kann die Luftzufuhr zu der Luftaufbereitungsvorrichtung oder dem mindestens einen weiteren Ast, der im Folgenden auch als Zweig bezeichnet wird, der Verzweigung eingestellt werden.In the area of the branch, at least one air guiding device is provided. As air guiding device, in particular a device for air deflection or air blocking is referred to. The spoiler can also be referred to as an air switch. For the purposes of this invention, when arranged in the region of the branch, it is preferable to understand an arrangement directly at the branch or in the flow direction after the branch in the vicinity of the branch. By means of this arrangement of the air guiding device, the air supply to the air treatment device or the at least one further branch, which is also referred to below as the branch, of the branch can be set.

ErfindungsgemƤƟ ist die Luftleitvorrichtung in mindestens drei Betriebsstellungen einstellbar. Als Betriebsstellungen werden hierbei Positionen oder Einstellungen der Luftleitvorrichtung verstanden, in denen diese gehalten werden kann und den Luftstrom somit Ć¼ber zumindest eine gewisse Zeit in verschiedene Richtungen lenkt. Durch die unterschiedlichen Betriebsstellungen der Luftleitvorrichtung werden somit unterschiedliche BetriebszustƤnde des Dunstabzugssystem eingestellt. Die Luftleitvorrichtung kann Rastelemente oder andere Fixierelement, wie beispielsweise AnschlƤge aufweisen, die die Luftleitvorrichtung in den mindestens drei Betriebsstellungen halten kƶnnen.According to the invention, the spoiler device can be adjusted in at least three operating positions. In this case, positions or settings of the air guiding device are understood to mean operating positions in which these can be held and thus direct the air flow in different directions over at least a certain time. Due to the different operating positions of the spoiler different operating conditions of the extractor system are thus set. The spoiler device may have locking elements or other fixing element, such as stops, which can hold the spoiler in the at least three operating positions.

Die drei Betriebsstellungen der Luftleitvorrichtung, die vorzugsweise eingestellt werden kƶnnen, sind insbesondere als Reinigungsstellung, Ableitungsstellung und Mischstellung bezeichnet. Ist die Luftleitvorrichtung auf die Reinigungsstellung eingestellt, so wird vorzugsweise der gesamte aus der Dunstabzugshaube austretende Luftstrom zu der Luftaufbereitungsvorrichtung geleitet und dort gereinigt, das heiƟt insbesondere von Geruchsstoffen befreit. Von der Luftaufbereitungsvorrichtung kann der so gereinigte Luftstrom wieder in den Raum, in dem die Dunstabzugshaube betrieben wird, zurĆ¼ckgeleitet werden. Bei der Reinigungsstellung der Luftleitvorrichtung wird der an dem Dunstabzugssystem eingestellte Betriebszustand als Reinigungszustand oder Reinigungsbetrieb bezeichnet.The three operating positions of the spoiler device, which can preferably be adjusted, are designated in particular as a cleaning position, discharge position and mixing position. If the air-guiding device is set to the cleaning position, preferably the entire air flow emerging from the extractor hood is conducted to the air-conditioning device and cleaned there, that is to say especially freed of odors. From the air treatment device, the cleaned air flow back into the room in which the hood is operated, be returned. In the cleaning position of the air guiding device, the operating state set on the extractor system is referred to as a cleaning state or a cleaning operation.

Bei der Ableitungsstellung der Luftleitvorrichtung wird vorzugsweise der gesamte aus der Dunstabzugshaube austretende Luftstrom an der Luftaufbereitungsvorrichtung vorbeigeleitet, das heiƟt erreicht die Luftaufbereitungsvorrichtung nicht. Bei dieser Stellung der Luftleitvorrichtung wird an dem Dunstabzugssystem ein Ableitungsbetrieb eingestellt. Dieser kann ein Umluftbetrieb oder ein Abluftbetrieb sein. Bei einem Umluftbetrieb wird die Luft nach dem Passieren der Luftleitvorrichtung an eine Luftleitung geleitet, die beispielsweise Ć¼ber eine HausbelĆ¼ftungsanlage in einen anderen Raum oder unmittelbar wieder in den Raum, in dem die Dunstabzugshaube des Dunstabzugssystems betrieben wird, fĆ¼hrt. Bei einem Abluftbetrieb wird die Luft nach dem Passieren der Luftleitvorrichtung an eine Luftleitung geleitet, die beispielsweise ein Abluftrohr oder Abluftsystem darstellen kann und in die Umgebung, das heiƟt nach auƟen fĆ¼hrt.In the discharge position of the air guiding device, the entire air flow emerging from the extractor hood is preferably conducted past the air treatment device, that is to say it does not reach the air treatment device. In this position of the spoiler, a discharge operation is set to the extractor system. This can be a recirculation mode or an exhaust air mode. In a circulating air operation, the air is passed after passing the spoiler to an air line, which leads, for example via a home ventilation system in another room or directly back into the room in which the hood of the extractor system is operated. In an exhaust air operation, the air is passed after passing the air guide to an air line, which may for example represent an exhaust pipe or exhaust air system and into the environment, that leads to the outside.

Bei der Mischstellung wird ein Mischzustand oder Mischbetrieb des Dunstabzugssystems, der eine Mischung aus Reinigungsbetrieb und Ableitungsbetrieb, das heiƟt Umluft- oder Abluftbetrieb, darstellt, eingestellt. Hierbei wird vorzugsweise ein Teil des aus der Dunstabzugshaube austretenden Luftstroms zu der Luftaufbereitungsvorrichtung und ein weiterer Teil an der Luftaufbereitungsvorrichtung vorbei zu mindestens einer Luftleitung und von dort entweder in den Raum oder in die Umgebung geleitet.In the mixing position, a mixing state or mixing operation of the extractor system, which is a mixture of cleaning operation and discharge operation, that is, recirculation or exhaust air operation, is set. In this case, a part of the air flow exiting the extractor hood is preferably conducted to the air treatment device and another part is routed past the air treatment device to at least one air line and from there either into the room or into the environment.

Der Vorteil des erfindungsgemƤƟen Dunstabzugssystems besteht darin, dass die Luft, die von der Dunstabzugshaube angesaugt und gegebenenfalls in dieser bereits von Verunreinigungen, wie Fett- und/oder FlĆ¼ssigkeitspartikeln, befreit wurde, gezielt und effizient gereinigt werden kann und insbesondere Geruchsstoffe aus der Luft entfernt werden kƶnnen. Die Effizienz wird bei dem erfindungsgemƤƟen Dunstabzugssystem insbesondere dadurch erreicht, dass die Luftzufuhr zu einer Luftaufbereitungsvorrichtung oder anderen Komponenten gezielt eingestellt und den Umgebungsbedingungen angepasst werden kann. SchlieƟlich wird durch die Verwendung einer Luftaufbereitungsvorrichtung mit einer Plasmaquelle auch ein Zerstƶren oder Zersetzen der Geruchsstoffe erzielt, das gegenĆ¼ber dem reinen Abscheiden der Geruchsstoffe in bekannten Filtern von Vorteil ist, da ein Austreten der Geruchsstoffe aus der Luftaufbereitungsvorrichtung weitestgehend verhindert werden kann.The advantage of the extractor system according to the invention is that the air that has been sucked in from the extractor hood and optionally already freed from contaminants, such as fat and / or liquid particles, can be cleaned in a targeted and efficient manner and, in particular, odors are removed from the air can. The efficiency is achieved in the extractor hood system according to the invention in particular by the fact that the air supply to an air treatment device or other components can be adjusted specifically and adapted to the ambient conditions. Finally, the use of an air treatment device with a plasma source also destroys or decomposing the odors, which is advantageous over the pure separation of the odors in known filters, since leakage of the odors from the air treatment device can be largely prevented.

GemƤƟ einer bevorzugten AusfĆ¼hrungsform weist die Plasmaquelle der Luftaufbereitungsvorrichtung Mittel zur Erzeugung einer dielektrischen Barriereentladung, insbesondere mindestens zwei Elektroden, auf. Diese Art der Plasmaerzeugung wird auch als DBE bezeichnet. Als DBE wird insbesondere die elektrische Entladung zwischen zwei Elektroden bezeichnet, die durch eine isolierende dielektrische Barriere voneinander getrennt sind. ErfindungsgemƤƟ kann zwischen den Elektroden Luft vorliegen und insbesondere die zu behandelnde Luft zwischen den Elektroden hindurchstrƶmen. Hierdurch vereinfacht sich der Aufbau der Luftaufbereitungsvorrichtung und zudem kann eine gute Durchmischung der in der Luftaufbereitungsvorrichtung zu behandelnden Luft erzielt werden. Durch die DBE wird ein Plasma erzeugt, mittels dessen die in die Luftaufbereitungsvorrichtung gelangende Luft mit hoher Energie beaufschlagt wird und dadurch behandelt wird. Insbesondere werden in der Luft enthaltene Geruchsstoffe zersetzt. Indem die Luftleitvorrichtung des erfindungsgemƤƟen Dunstabzugssystem in mindestens drei Betriebsstellungen einstellbar ist, kann auch bei Ableitung eines Teils des Luftstroms in einen Ast der LuftfĆ¼hrung, der nicht mit der Luftaufbereitungsvorrichtung verbunden ist, weiterhin eine gewisse Luftzufuhr zu der Luftaufbereitungsvorrichtung gewƤhrleistet werden. Dieser Zustand wird auch als Mischzustand bezeichnet. Durch die Mƶglichkeit der Einstellung dieses Zustandes kann ein Austreten von reaktiven Spezies, wie beispielsweise Ozon, die in der Luftaufbereitungsvorrichtung gebildet werden, verhindert werden, ohne die Zufuhr zu der Luftaufbereitungsvorrichtung vollstƤndig verschlieƟen zu mĆ¼ssen.According to a preferred embodiment, the plasma source of the air treatment device comprises means for generating a dielectric barrier discharge, in particular at least two electrodes. This type of plasma generation is also referred to as DBE. DBE is in particular the electrical discharge between two electrodes, which are separated by an insulating dielectric barrier. According to the invention, air can be present between the electrodes and, in particular, the air to be treated can flow between the electrodes. This simplifies the construction of the air treatment device and, moreover, good mixing of the air to be treated in the air treatment device can be achieved. The DBE generates a plasma, by means of which the air entering the air treatment device is subjected to high energy and is thus treated. In particular, odors contained in the air are decomposed. By the air deflector of the extractor system according to the invention is adjustable in at least three operating positions, even with the discharge of a portion of the air flow in a branch of the air duct, which is not connected to the air treatment device, a certain air supply to the air treatment device can continue to be ensured. This condition is also called mixed state. By being able to adjust this condition, leakage of reactive species such as ozone formed in the air conditioning apparatus can be prevented without having to completely close the supply to the air treatment apparatus.

GemƤƟ einer AusfĆ¼hrungsform stellt die Luftaufbereitungsvorrichtung eine zu der Dunstabzugshaube separate Vorrichtung dar, die Ć¼ber die LuftfĆ¼hrung mit der Dunstabzugshaube verbunden ist.According to one embodiment, the air treatment device is a separate device to the hood, which is connected via the air duct with the extractor hood.

Die Verbindung kann, wie oben beschrieben Ć¼ber KanƤle oder Rohre erfolgen. Die separate AusfĆ¼hrung der Luftaufbereitungsvorrichtung weist eine Reihe von Vorteilen auf. Zum einen kann die Luftaufbereitungsvorrichtung auch nachtrƤglich zum Betrieb mit der Dunstabzugshaube vorgesehen werden. Zum anderen kƶnnen die Abmessungen der Luftaufbereitungsvorrichtung entsprechend der Funktionen der Luftaufbereitungsvorrichtung gewƤhlt werden und mĆ¼ssen nicht zwangsweise auf die Abmessungen der Dunstabzugshaube angepasst werden. Es ist erfindungsgemƤƟ aber auch mƶglich, die Luftaufbereitungsvorrichtung in der Dunstabzugshaube zu integrieren. Hierbei wird die Luftaufbereitungsvorrichtung vorzugsweise in einem GehƤuse der Dunstabzugsvorrichtung vorgesehen, beispielsweise in einem Kamin oder Kanal der Dunstabzugshaube aufgenommen.The connection can be made via channels or pipes as described above. The separate embodiment of the air treatment device has a number of advantages. On the one hand, the air treatment device can also be provided subsequently for operation with the extractor hood. On the other hand, the Dimensions of the air treatment device are selected according to the functions of the air treatment device and do not necessarily have to be adapted to the dimensions of the extractor hood. However, it is also possible according to the invention to integrate the air treatment device in the extractor hood. In this case, the air treatment device is preferably provided in a housing of the extractor device, for example, received in a chimney or duct of the extractor hood.

Vorzugsweise weist die Verzweigung der LuftfĆ¼hrung zumindest drei Ƅste auf, wobei einer der Ƅste mit der Dunstabzugshaube, einer der Ƅste mit der Luftaufbereitungsvorrichtung und einer der Ƅste mit einer Luftleitung verbunden ist. Der Ast, der mit der Luftleitung verbunden ist, kann erfindungsgemƤƟ auch selber die Luftleitung darstellen. Als Luftleitung wird hierbei ein System bezeichnet, Ć¼ber das Luft in die Umgebung und/oder in den Raum, in dem die Dunstabzugshaube betrieben wird, oder in einen anderen Raum abgegeben werden kann. Die Luftleitung kann daher nach AuƟen fĆ¼hren, das heiƟt die Luft wird auƟerhalb des GebƤudes abgegeben. Im Sinne der Erfindung kann die Luftleitung aber auch eine HausbelĆ¼ftungsanlage darstellen. Weiterhin kann die Luftleitung auch in den Raum, in dem die Dunstabzugshaube betrieben wird, fĆ¼hren.Preferably, the branch of the air duct has at least three branches, wherein one of the branches is connected to the extractor hood, one of the branches to the air treatment device and one of the branches to an air line. The branch, which is connected to the air line, according to the invention can also represent the air line itself. An air duct is hereby referred to a system by means of which air can be discharged into the environment and / or into the room in which the extractor hood is operated or into another room. The air line can therefore lead to the outside, that is, the air is discharged outside the building. For the purposes of the invention, however, the air line can also be a house ventilation system. Furthermore, the air line can also lead into the room in which the hood is operated.

Ɯber den Ast, der mit der Dunstabzugshaube verbunden ist, wird die Luft von der Dunstabzugshaube weggefĆ¼hrt. Indem bei der bevorzugten AusfĆ¼hrungsform mindestens zwei weitere Ƅste in der LuftfĆ¼hrung vorgesehen sind, kann die Luft, je nach den Umgebungsbedingungen oder den Bedingungen der Komponenten des Dunstabzugssystems in die entsprechenden Ƅste der LuftfĆ¼hrung geleitet werden. Somit kann beispielsweise die Menge an Luft, die zu der Luftaufbereitungsvorrichtung geleitete wird, minimiert werden. Dies fĆ¼hrt dazu, dass die Luftaufbereitungsvorrichtung weniger beansprucht wird und deren Standzeit somit erhƶht werden kann. Ist der weitere Ast der LuftfĆ¼hrung mit einer Luftleitung verbunden, an die sich eine Abluftanlage oder Abluftleitung anschlieƟt, so kann beispielsweise Luft mit einem hohen Verunreinigungsgrad aus dem GebƤude herausgefĆ¼hrt werden anstatt diesen Ć¼ber die Luftaufbereitungsvorrichtung zu leiten. Auch die Temperaturen in dem Raum, in dem die Dunstabzugshaube betrieben wird, und der Umgebung kƶnnen berĆ¼cksichtigt werden. So kann beispielsweise im Winter die Luft stets in den Raum, in dem die Dunstabzugshaube betrieben wird, zurĆ¼ckgefĆ¼hrt werden. Diese RĆ¼ckfĆ¼hrung kann Ć¼ber die Luftaufbereitungsvorrichtung oder Ć¼ber eine Luftleitung, die als Umluftleitung bezeichnet wird, erfolgen. Hierdurch kann Energie eingespart werden, da die geheizte Raumluft wieder dem Raum zugefĆ¼hrt wird. Im Sommer hingegen kann das Dunstabzugssystem zur BelĆ¼ftung des Raumes verwendet werden, indem die Luft in die Umgebung abgegeben wird.About the branch, which is connected to the hood, the air is led away from the hood. By providing in the preferred embodiment, at least two other branches in the air duct, the air, depending on the ambient conditions or the conditions of the components of the extractor system can be passed into the corresponding branches of the air duct. Thus, for example, the amount of air that is directed to the air conditioning device can be minimized. As a result, the air treatment device is less stressed and its service life can thus be increased. If the further branch of the air duct is connected to an air line, which is followed by an exhaust air system or exhaust air duct, for example, air with a high degree of contamination can be led out of the building instead of passing it via the air treatment device. Also, the temperatures in the room in which the hood is operated, and the environment can be considered. For example, in winter, the air can always be returned to the room where the cooker hood is operated. This recirculation may be via the air treatment device or via an air line, which is referred to as recirculation line, done. This energy can be saved because the heated room air is returned to the room. In summer, on the other hand, the extractor system can be used to ventilate the room by releasing the air into the environment.

Vorzugsweise ist in der Luftleitung, die mit einem der Ƅste der Verzweigung verbunden ist oder diesen darstellt, zumindest ein Filterelement angeordnet. Dieses Filterelement stellt vorzugsweise einen Geruchsfilter dar, der beispielsweise ein Aktivkohlefilter sein kann. Das Filterelement ist insbesondere bevorzugt in den FƤllen vorgesehen, in denen die Luftleitung zu dem Raum, in dem die Dunstabzugshaube betrieben wird, zurĆ¼ckfĆ¼hrt. Das Filterelement ist daher bei einer Umluftleitung oder einer HausbelĆ¼ftungsanlage vorzugsweise vorgesehen. Hierbei kann das Filterelement in der NƤhe der Verzweigung oder aber auch an einem anderen Ort, insbesondere kurz vor dem Austritt der Luftleitung in den Raum, in dem die Dunstabzugshaube betrieben wird, oder in einen anderen Raum angeordnet sein.Preferably, at least one filter element is arranged in the air line which is connected to or represents one of the branches of the branch. This filter element preferably represents an odor filter, which may be, for example, an activated carbon filter. The filter element is particularly preferably provided in the cases in which the air line leads back to the room in which the extractor hood is operated. The filter element is therefore preferably provided in a recirculation line or a house ventilation system. In this case, the filter element in the vicinity of the branch or even at a different location, in particular just before the exit of the air duct in the room in which the hood is operated, or be arranged in another room.

GemƤƟ einer AusfĆ¼hrungsform stellt die Luftleitvorrichtung eine Klappe dar. Diese AusfĆ¼hrungsform ist besonders einfach im Aufbau und in der Handhabung. Die Klappe kann hierbei an der Verzweigung so vorgesehen sein, dass diese je nach der eingestellten Position oder Stellung zumindest einen Teil des Querschnitts einer der Ƅste, die von der Verzweigung abgehen, abdeckt. Alternativ ist es aber auch mƶglich eine Klappe in zumindest einem der von der Verzweigung abgehenden Ƅste vorzusehen. Hierdurch kann die Einstellung noch genauer erfolgen. Es sind aber auch andere Luftleitvorrichtungen mƶglich, die den Querschnitt zumindest eines der von der Verzweigung abgehenden Ƅste zumindest zeitweise verringert.According to one embodiment, the spoiler device is a flap. This embodiment is particularly simple in construction and handling. The flap may in this case be provided at the junction so that it covers at least a part of the cross section of one of the branches, which depart from the branch, depending on the set position or position. Alternatively, it is also possible to provide a flap in at least one of the branches leaving the branch. As a result, the setting can be made even more accurate. However, other air guiding devices are also possible which at least temporarily reduce the cross section of at least one of the branch branches.

GemƤƟ einer AusfĆ¼hrungsform ist die Luftleitvorrichtung stufenlos in unterschiedliche Positionen oder Stellungen einstellbar. Bei dieser AusfĆ¼hrungsform kƶnnen somit mehr als drei Betriebsstellungen der Luftleitvorrichtung eingestellt werden. Der Reinigungszustand und der Ableitungszustand sind hierbei weiterhin in den mƶglichen ZustƤnden enthalten. Weiterhin kann aber eine Reihe von MischzustƤnden eingestellt werden. Dies ist vorteilhaft, da hierdurch eine weitere Steigerung der Effizienz mƶglich ist. Der Antrieb der Luftleitvorrichtung und deren Fixierung in den unterschiedlichen ZustƤnden kann bei dieser AusfĆ¼hrungsform besonders vorteilhaft durch einen Motor erfolgen.According to one embodiment, the air guiding device is infinitely adjustable in different positions or positions. In this embodiment, thus more than three operating positions of the spoiler device can be adjusted. The cleaning state and the derivative state are still included in the possible states. Furthermore, however, a number of mixed states can be set. This is advantageous because it allows a further increase in efficiency. The drive of the spoiler device and its fixation in the different states can be done particularly advantageous in this embodiment by a motor.

GemƤƟ einer AusfĆ¼hrungsform ist Luftleitvorrichtung mit zumindest einem Sensor, insbesondere einem Sensor zur Bestimmung des Luftzustandes, verbunden. Als Luftzustand wird hierbei beispielsweise die Temperatur in dem Raum, in dem die Dunstabzugshaube betrieben wird, die AuƟentemperatur, die Differenz zwischen diesen beiden Temperaturen, die Luftfeuchtigkeit und/oder die Beladung der Innenluft mit Verunreinigungen (beispielsweise VOC (volatile organic compounds)) bezeichnet. Indem diese LuftzustƤnde Ć¼ber den Sensor oder die Sensoren ermittelt werden, kƶnnen die ermittelten Werte dann als Parameter zur automatischen Einstellung der Betriebsstellung der Luftleitvorrichtung dienen.According to one embodiment, the air guiding device is connected to at least one sensor, in particular a sensor for determining the air condition. In this case, for example, the temperature in the room in which the extractor hood is operated, the outside temperature, the difference between these two temperatures, the air humidity and / or the loading of the inside air with impurities (for example VOC (volatile organic compounds)) are referred to as the air condition. By determining these air states via the sensor or the sensors, the determined values can then serve as parameters for the automatic adjustment of the operating position of the air guiding device.

GemƤƟ einer AusfĆ¼hrungsform weist das Dunstabzugssystem eine Steuereinheit zur Steuerung der zumindest einen Luftleitvorrichtung auf. Mittels der Steuerung kann die Luftleitvorrichtung in die unterschiedlichen Betriebsstellungen gebracht und gegebenenfalls auch dort gehalten werden. ZusƤtzlich kann die Steuereinheit dazu dienen die einzustellende Betriebsstellung der Luftleitvorrichtung zu bestimmen. Hierzu kann die Steuereinheit beispielsweise mit Sensoren verbunden sein. Mittel dieser Sensoren kann dann der Luftzustand ermittelt werden und daraus der Ć¼ber die Luftleitvorrichtung einzustellende geeignete Betriebszustand des Dunstabzugssystems bestimmt werden. Die Ansteuerung der Luftleitvorrichtung(en) erfolgt hierbei vorzugsweise automatisch, beispielsweise Ć¼ber einen oder mehrere Motoren.According to one embodiment, the extractor system has a control unit for controlling the at least one air guiding device. By means of the controller, the spoiler device can be brought into the different operating positions and optionally also held there. In addition, the control unit can serve to determine the operating position of the air guiding device to be set. For this purpose, the control unit may be connected to sensors, for example. By means of these sensors, the air state can then be determined and from this the suitable operating state of the extractor system to be set via the air guiding device can be determined. The control of the spoiler device (s) is preferably carried out automatically, for example via one or more motors.

GemƤƟ einem weiteren Aspekt betrifft die Erfindung ein Verfahren zum Betreiben eines erfindungsgemƤƟen Dunstabzugssystems. Das Verfahren ist dadurch gekennzeichnet, dass durch die Luftleitvorrichtung mindestens einer von mindestens drei BetriebszustƤnden des Dunstabzugssystems eingestellt wird. GemƤƟ einer bevorzugten AusfĆ¼hrungsform wird die Luftleitvorrichtung in AbhƤngigkeit von mindestens einer ZustandsgrĆ¶ĆŸe des Luftzustandes gesteuert.According to a further aspect, the invention relates to a method for operating a fume extraction system according to the invention. The method is characterized in that at least one of at least three operating states of the extractor system is set by the air guiding device. According to a preferred embodiment, the air guiding device is controlled as a function of at least one state variable of the air condition.

Vorteile und Merkmale, die bezĆ¼glich des erfindungsgemƤƟen Dunstabzugssystems beschrieben werden, gelten - soweit anwendbar - entsprechend fĆ¼r das erfindungsgemƤƟe Verfahren und umgekehrt und werden daher gegebenenfalls nur einmal erlƤutert.Advantages and features which are described with regard to the extractor system according to the invention apply - as far as applicable - accordingly for the method according to the invention and vice versa and are therefore possibly only explained once.

Die Erfindung wird im Folgenden erneut unter Bezugnahme auf die beiliegenden Zeichnungen erlƤutert. Hierbei zeigen:

  • Figur 1: eine schematische Darstellung einer ersten AusfĆ¼hrungsform des erfindungsgemƤƟen Dunstabzugssystems;
  • Figur 2: eine schematische Darstellung einer zweiten AusfĆ¼hrungsform des erfindungsgemƤƟen Dunstabzugssystems;
  • Figur 3: eine schematische Darstellung einer dritten AusfĆ¼hrungsform des erfindungsgemƤƟen Dunstabzugssystems;
  • Figuren 4 a bis 4c: schematische Darstellungen von drei BetriebszustƤnden der Luftleitvorrichtung in der ersten AusfĆ¼hrungsform des erfindungsgemƤƟen Dunstabzugssystems; und
  • Figur 5: eine schematische, perspektivische Darstellung einer AusfĆ¼hrungsform einer Luftaufbereitungsvorrichtung des erfindungsgemƤƟen Dunstabzugssystems.
The invention will be explained again below with reference to the accompanying drawings. Hereby show:
  • FIG. 1 a schematic representation of a first embodiment of the extractor system according to the invention;
  • FIG. 2 a schematic representation of a second embodiment of the extractor system according to the invention;
  • FIG. 3 a schematic representation of a third embodiment of the extractor system according to the invention;
  • FIGS. 4 a to 4 c : schematic representations of three operating states of the spoiler device in the first embodiment of the extractor system according to the invention; and
  • FIG. 5 : A schematic, perspective view of an embodiment of an air treatment device of the extractor system according to the invention.

In Figur 1 ist eine erste AusfĆ¼hrungsform eines Dunstabzugssystems 1 gemƤƟ der vorliegenden Erfindung dargestellt. Das Dunstabzugssystem 1 umfasst eine Dunstabzugshaube 10 sowie eine damit verbundene Luftaufbereitungsvorrichtung 11. Die Dunstabzugshaube 10 ist mit der Luftaufbereitungsvorrichtung 11 Ć¼ber eine LuftfĆ¼hrung 12 verbunden. Die Dunstabzugshaube 10 befindet sich oberhalb eines Kochfeldes 2, in der dargestellten AusfĆ¼hrungsform zwischen OberschrƤnken 3 einer KĆ¼chenzeile. Die Luftaufbereitungsvorrichtung 11 ist in der dargestellten AusfĆ¼hrungsform auf einem der OberschrƤnke 3 zwischen dem Oberschrank 3 und der Raumdecke 4, des Raumes, in dem die Dunstabzugshaube 10 betrieben wird, angeordnet. Dieser Raum wird im Folgenden als KĆ¼che bezeichnet.In FIG. 1 a first embodiment of a fume extraction system 1 according to the present invention is shown. The extractor hood system 1 comprises an extractor hood 10 and an air treatment device 11 connected thereto. The extractor hood 10 is connected to the air treatment device 11 via an air guide 12. The extractor hood 10 is located above a hob 2, in the illustrated embodiment between upper cabinets 3 a kitchenette. The air treatment device 11 is arranged in the illustrated embodiment on one of the upper cabinets 3 between the upper cabinet 3 and the ceiling 4, the room in which the hood 10 is operated. This room is referred to below as a kitchen.

Ein mƶglicher Aufbau der Luftaufbereitungsvorrichtung 11 ist schematische in Figur 5 gezeigt. Diese Luftaufbereitungsvorrichtung 11 weist insbesondere ein GehƤuse 110, sowie eine darin angeordnete Plasmaquelle 111 auf. Die Plasmaquelle 111 umfasst in der dargestellten AusfĆ¼hrungsform zwei parallel zueinander angeordnete Elektroden 111 a, 111 b. Ɯber diese Elektroden 111 a, 111 b wird eine DBE initiiert. In Figur 5 sind zur besseren Erkennbarkeit des Innenraumes des GehƤuses 110 die Oberseite und die Frontseite des GehƤuses 110 nicht gezeigt. Diese Oberseite und Frontseite des GehƤuses 110 kƶnnen beispielsweise aus einem Filter bestehen, der wiederum als Filtermaterial beispielsweise Aktivkohle aufweisen kann. Es liegt aber auch im Rahmen der Erfindung, weitere oder andere Seiten des GehƤuses 110 zumindest teilweise durch einen Filter zu bilden.One possible construction of the air treatment device 11 is schematic in FIG FIG. 5 shown. This air treatment device 11 has in particular a housing 110, as well as a plasma source 111 arranged therein. In the illustrated embodiment, the plasma source 111 comprises two electrodes 111 a, 111 b arranged parallel to one another. Via these electrodes 111 a, 111 b, a DBE is initiated. In FIG. 5 For better visibility of the interior of the housing 110, the top and the front of the housing 110 are not shown. This top and front of the housing 110 may for example consist of a filter, the in turn, as a filter material, for example, may have activated carbon. It is also within the scope of the invention, at least partially, to form further or other sides of the housing 110 through a filter.

In der LuftfĆ¼hrung 12 ist eine Verzweigung 120 vorgesehen. In der ersten AusfĆ¼hrungsform des Dunstabzugssystems 1 geht die LuftfĆ¼hrung 12 an dieser Verzweigung von dem Ast 121, der von der Dunstabzugshaube 10 ausgeht, in zwei Abzweigungen oder Ƅste 122, 123 Ć¼ber. Der Ast 122 fĆ¼hrt zu der Luftaufbereitungsvorrichtung 11 und der Ast 123 fĆ¼hrt durch die Raumdecke 4 hindurch. Es versteht sich, dass der Ast 123 statt durch die Raumdecke 4 auch durch die KĆ¼chenwand, an der die Dunstabzugshaube 10 befestigt ist, oder durch eine andere KĆ¼chenwand hindurchfĆ¼hren kann. AuƟerhalb des Raumes geht dieser Ast 123 beispielsweise in eine nicht dargestellte Abluftanlage oder eine ebenfalls nicht dargestellte HausbelĆ¼ftungsanlage Ć¼ber. Der Ast 123 stellt somit einen Luftleitungsast im Sinne der vorliegenden Erfindung dar.In the air guide 12, a branch 120 is provided. In the first embodiment of the extractor system 1, the air duct 12 is at this junction of the branch 121, which emanates from the hood 10, in two branches or branches 122, 123 on. The branch 122 leads to the air treatment device 11 and the branch 123 passes through the ceiling 4. It is understood that the branch 123 instead of through the ceiling 4 can also pass through the kitchen wall to which the hood 10 is attached, or through another kitchen wall. Outside the room, this branch 123, for example, in an unillustrated exhaust system or a home ventilation system, also not shown. The branch 123 thus constitutes an air duct branch in the sense of the present invention.

Wie sich aus Figur 1 ergibt, sind gemƤƟ der dargestellten AusfĆ¼hrungsform an der Dunstabzugshaube 10 und auƟerhalb des Raumes, insbesondere der KĆ¼che Sensoren 14, 15 angebracht. Der Sensor 14 dient beispielsweise der Erfassung des Luftzustandes in der KĆ¼che, wƤhrend der Sensor 15, der sich auƟerhalb des Raumes befindet, beispielsweise der Erfassung der AuƟentemperatur dient. Die Position der Sensoren 14, 15 ist in der Figur 1 nur schematisch angedeutet. Es liegt aber auch im Rahmen der Erfindung den Sensor 14 an einem anderen Ort in der KĆ¼che, beispielsweise an einer anderen Stelle an der Dunstabzugshaube 10 oder beabstandet zu der Dunstabzugshaube 10 anzuordnen. Der Sensor 15 kann beispielsweise an der AuƟenseite des GebƤudes vorgesehen sein.As it turned out FIG. 1 results, according to the illustrated embodiment, sensors 14, 15 are attached to the hood 10 and outside the room, in particular the kitchen. The sensor 14 is used, for example, to detect the air condition in the kitchen, while the sensor 15, which is located outside the room, for example, serves to detect the outside temperature. The position of the sensors 14, 15 is in the FIG. 1 only indicated schematically. It is also within the scope of the invention, the sensor 14 at a different location in the kitchen, for example, at a different location on the hood 10 or spaced to the hood 10 to order. The sensor 15 may be provided, for example, on the outside of the building.

In der LuftfĆ¼hrung 120 ist eine Luftleitvorrichtung 13 in Form einer Klappe angeordnet. In der dargestellten AusfĆ¼hrungsform ist die Luftleitvorrichtung 13 an der Verzweigung 120 vorgesehen. Durch Verschwenken der Luftleitvorrichtung 13 kann wahlweise der Ast 122, der zu der Luftaufbereitungsvorrichtung 11 fĆ¼hrt oder der Ast 123, der durch die Raumdecke 4 fĆ¼hrt, verschlossen werden. In der in Figur 1 gezeigten Stellung der Luftleitvorrichtung 13 wird der von der Dunstabzugshaube 10 stammende Luftstrom, der durch den Ast 121 der LuftfĆ¼hrung 120 strƶmt, zwischen dem Ast 122 und dem Ast 123 aufgeteilt. Die Luftleitvorrichtung 13 befindet sich somit in einer Mischstellung.In the air guide 120, an air guiding device 13 is arranged in the form of a flap. In the illustrated embodiment, the spoiler 13 is provided at the branch 120. By pivoting the spoiler 13 can optionally branch 122, which leads to the air treatment device 11 or the branch 123, which leads through the ceiling 4, are closed. In the in FIG. 1 shown position of the spoiler 13 is derived from the hood 10 air flow flowing through the branch 121 of the air duct 120, between the branch 122 and the branch 123 divided. The spoiler 13 is thus in a mixing position.

Die unterschiedlichen BetriebszustƤnde oder StrƶmungsverhƤltnisse des Dunstabzugssystems bei unterschiedlichen Betriebsstellungen der Luftleitvorrichtung 13 sind schematisch in den Figuren 4a bis 4c gezeigt.The different operating conditions or flow conditions of the extractor system at different operating positions of the air guiding device 13 are schematically in the FIGS. 4a to 4c shown.

In der Figur 4a ist die Luftleitvorrichtung 13 so eingestellt, dass diese den Ast 122 zu der Luftaufbereitungsvorrichtung 11 des Dunstabzugssystems 1 vollstƤndig verschlieƟt. In diesem Fall strƶmt die gesamte von der Dunstabzugshaube 10 stammende Luft Ć¼ber den Ast 121 zu der Verzweigung 120 und wird dort in den Ast 123 eingeleitet. Ɯber diesen Ast 123 gelangt die Luft in eine Abluftanlage oder eine HausbelĆ¼ftungsanlage (beide nicht gezeigt). Diese Betriebsstellung der Luftleitvorrichtung, die in Figur 4a gezeigt ist, wird auch als Ableitungsstellung zustand bezeichnet und der dadurch erzeugte Betriebszustand des Dunstabzugssystems wird als Ableitungszustand bezeichnet. Ist an den Ableitungsast oder Luftleitungsast 123 eine Abluftanlage angeschlossen, so wird der Betriebszustand des Dunstabzugssystems auch als Abluftbetrieb bezeichnet. Ist eine HausbelĆ¼ftungsanlage angeschlossen, so wird er Betriebszustand des Dunstabzugssystems auch als Umluftbetrieb oder Zirkulationsbetrieb bezeichnet.In the FIG. 4a the air guiding device 13 is set so that it completely closes the branch 122 to the air treatment device 11 of the extractor system 1. In this case, the entire air coming from the extractor hood 10 flows via the branch 121 to the branch 120 and is introduced there into the branch 123. About this branch 123, the air enters an exhaust system or a home ventilation system (both not shown). This operating position of the spoiler device, which in FIG. 4a is also referred to as Ableitungsstellung state and the operating state of the extractor system generated thereby is referred to as Ableitungszustand. If an exhaust air system is connected to the discharge branch or air duct branch 123, the operating state of the extractor system is also referred to as exhaust air operation. If a home ventilation system is connected, then the operating state of the extractor system is also referred to as recirculation mode or circulation mode.

In Figur 4b ist der bereits in Figur 1 gezeigte Mischzustand gezeigt, in dem sich der Luftstrom aus dem Ast 121 von der Dunstabzugshaube 10 in Luftstrƶme in den Zweigen 122 und 123 aufteilt. Bei dieser AusfĆ¼hrungsform kann der in der Luftaufbereitungsvorrichtung 11 gereinigte Luftstrom zumindest teilweise Ć¼ber die Luftaufbereitungsvorrichtung 11 austreten. Dies ist in Figur 4b durch die Blockpfeile an der Luftaufbereitungsvorrichtung 11 angedeutet. Die Luft tritt hierbei vorzugsweise nach Hindurchtreten durch einen Filter in der Luftaufbereitungsvorrichtung 11 aus dieser aus. Der Filter (nicht gezeigt) bildet daher vorzugsweise einen Teil der Wand der Luftaufbereitungsvorrichtung 11.In FIG. 4b is already in FIG. 1 shown mixed state in which the air flow from the branch 121 of the hood 10 into air streams in the branches 122 and 123 divides. In this embodiment, the air flow purified in the air treatment device 11 may at least partially exit via the air treatment device 11. This is in FIG. 4b indicated by the block arrows on the air treatment device 11. The air preferably exits from this after passing through a filter in the air treatment device 11. The filter (not shown) therefore preferably forms part of the wall of the air treatment device 11.

In Figur 4c ist die Luftleitvorrichtung 13 in einer Reinigungsstellung gezeigt. Der dadurch eingestellte Betriebszustand des Dunstabzugssystems wird auch als Reinigungszustand bezeichnet. In diesem Zustand verschlieƟt die Luftleitvorrichtung 13 den Ast 123 der LuftfĆ¼hrung 120 vollstƤndig, so dass der gesamte von der Dunstabzugshaube 10 in den Ast 121 geleitete Luftstrom in die Luftaufbereitungsvorrichtung 11 geleitet und dort aufbereitet beziehungsweise behandelt wird. Von der Luftaufbereitungsvorrichtung 11 kann die Luft dann in die KĆ¼che zurĆ¼ckgefĆ¼hrt werden. Dies ist in der Figur 4c durch die Blockpfeile an der Luftaufbereitungsvorrichtung 11 schematisch angedeutet.In Figure 4c the air guiding device 13 is shown in a cleaning position. The thus set operating state of the extractor system is also referred to as a cleaning state. In this state, the air guiding device 13 completely closes the branch 123 of the air guide 120, so that the entire air flow guided by the extractor hood 10 into the branch 121 is conducted into the air treatment device 11 where it is treated or treated. From the air treatment device 11, the air can then be returned to the kitchen. This is in the Figure 4c indicated schematically by the block arrows on the air treatment device 11.

In den Figuren 4a bis c ist auch eine Steuereinheit 16 angedeutet. Diese dient insbesondere fĆ¼r die Einstellung der gewĆ¼nschten Betriebsstellung der Luftleitvorrichtung 13. Zudem kann die Steuereinheit 16 mit den Sensoren 14, 15 verbunden sein und die empfangenen Sensorsignale verwenden, um eine geeignete Betriebsstellung der Luftleitvorrichtung 13 zu bestimmen.In the FIGS. 4a to c is also a control unit 16 indicated. In addition, the control unit 16 may be connected to the sensors 14, 15 and use the received sensor signals to determine a suitable operating position of the air guiding device 13.

In Figur 2 ist eine zweite AusfĆ¼hrungsform des erfindungsgemƤƟen Dunstabzugssystems 1 gezeigt. Die zweite AusfĆ¼hrungsform unterscheidet sich von der ersten AusfĆ¼hrungsform lediglich durch die LuftfĆ¼hrung 120. In der zweiten AusfĆ¼hrungsform geht der Ast 121, der von der Dunstabzugshaube 10 stammt, in den bereits beschriebenen Ast 122 zu der Luftaufbereitungsvorrichtung 11 und einen zweiten Ast 124 Ć¼ber. Der Ast 124 stellt eine Luftleitung dar, die in die KĆ¼che fĆ¼hrt und dort endet. In der dargestellten AusfĆ¼hrungsform ist an dem Ende der Luftleitung 124 ein Filterelement 125 vorgesehen. Dieses Filterelement 125 stellt vorzugsweise einen Geruchsfilter dar.In FIG. 2 a second embodiment of the extractor system 1 according to the invention is shown. The second embodiment differs from the first embodiment only by the air guide 120. In the second embodiment, the branch 121, which originates from the extractor hood 10, in the already described branch 122 to the air treatment device 11 and a second branch 124 over. The branch 124 represents an air duct, which leads to the kitchen and ends there. In the illustrated embodiment, a filter element 125 is provided at the end of the air duct 124. This filter element 125 preferably represents an odor filter.

Bei der zweiten AusfĆ¼hrungsform ist lediglich ein Sensor 14 vorgesehen, Ć¼ber den der Luftzustand in der KĆ¼che erfasst werden kann.In the second embodiment, only one sensor 14 is provided, via which the air condition in the kitchen can be detected.

Bei der zweiten AusfĆ¼hrungsform ist, wie bei der ersten AusfĆ¼hrungsform des Dunstabzugssystems 1 eine Luftleitvorrichtung 13 vorgesehen, Ć¼ber die der Luftstrom aus dem Ast 121 wahlweise in den Ast 122 oder den Ast 124 oder teilweise in jeden dieser beiden Aste 122, 124 geleitet wird. Bei dieser AusfĆ¼hrungsform wird daher die gesamte von der Dunstabzugshaube 10 in dem Ast 120 geleitete Luft wieder in die KĆ¼che zurĆ¼ckgefĆ¼hrt. Hierbei erfolgt die RĆ¼ckfĆ¼hrung entweder Ć¼ber die Luftaufbereitungsvorrichtung 11 oder Ć¼ber das Filterelement 125 oder sowohl Ć¼ber die Luftaufbereitungsvorrichtung 11 als auch Ć¼ber das Filterelement 125.In the second embodiment, as in the first embodiment of the extractor system 1, an air guiding device 13 is provided, via which the air flow from the branch 121 is selectively directed into the branch 122 or the branch 124 or partially into each of these two branches 122, 124. In this embodiment, therefore, the entire guided by the cooker hood 10 in the branch 120 air is returned to the kitchen. Here, the return takes place either via the air treatment device 11 or via the filter element 125 or both via the air treatment device 11 and via the filter element 125th

In Figur 3 ist eine dritte AusfĆ¼hrungsform des Dunstabzugssystems 1 gezeigt. Diese AusfĆ¼hrungsform unterscheidet sich von der zweiten AusfĆ¼hrungsform aus Figur 2 darin, dass zusƤtzlich zu den Zweigen 122 und 124 auch ein Ast 123 entsprechend der ersten AusfĆ¼hrungsform nach Figur 1 vorgesehen ist, der aus dem Raum, in dem die Dunstabzugshaube 10 betrieben wird, herausfĆ¼hrt. Bei dieser AusfĆ¼hrungsform ist ebenfalls an der Verzweigung 120 eine Luftleitvorrichtung 13 vorgesehen. Ɯber die Luftleitvorrichtung 13 kann die aus dem Ast 121 von der Dunstabzugshaube 10 stammende Luft entweder zu der Luftaufbereitungsvorrichtung 11, zu dem Filterelement 125 oder in eine an den Ast 123 angeschlossene Abluft- oder HausbelĆ¼ftungsanlage (nicht gezeigt) geleitet werden. Auch bei dieser AusfĆ¼hrungsform kƶnnen Ć¼ber die Luftleitvorrichtung 13 MischzustƤnde eingestellt werden, bei denen beispielsweise nur ein Teil des Luftstroms aus dem Ast 121 zu der Luftaufbereitungsvorrichtung 11 und ein weiterer Teil zu dem Filterelement 125 und/oder zu der Abluft- oder HausbelĆ¼ftungsanlage (nicht gezeigt) geleitet wird.In FIG. 3 a third embodiment of the extractor system 1 is shown. This embodiment differs from the second embodiment FIG. 2 in that, in addition to the branches 122 and 124, a branch 123 according to the first embodiment of FIG FIG. 1 is provided, which leads out of the room in which the hood 10 is operated. In this embodiment an air guiding device 13 is likewise provided at the branch 120. Via the air guiding device 13, the air coming from the branch 121 from the extractor hood 10 can be routed either to the air treatment device 11, to the filter element 125 or into an exhaust air or house ventilation system (not shown) connected to the branch 123. In this embodiment as well, mixing states can be set via the air guiding device 13, in which, for example, only part of the air flow from the branch 121 to the air treatment device 11 and another part to the filter element 125 and / or to the exhaust air or home ventilation system (not shown) is directed.

Die Erfindung ist nicht auf die gezeigten AusfĆ¼hrungsformen beschrƤnkt. Beispielsweise ist es auch mƶglich die LuftfĆ¼hrung und die Luftaufbereitungsvorrichtung in dem GehƤuse der Dunstabzugshaube vorzusehen. Zudem sind andere AusfĆ¼hrungsformen der Luftaufbereitungsvorrichtung als die in Figur 5 gezeigte AusfĆ¼hrungsform, beispielsweise mit anderen Plasmaquellen, mƶglich.The invention is not limited to the embodiments shown. For example, it is also possible to provide the air guide and the air treatment device in the housing of the hood. In addition, other embodiments of the air treatment device than those in FIG. 5 shown embodiment, for example, with other plasma sources possible.

Mit der vorliegenden Erfindung kƶnnen die Anforderungen an die LuftfĆ¼hrung in einem Dunstabzugssystem, das eine Dunstabzugshaube und eine Luftaufbereitungsvorrichtung umfasst, geeignet eingestellt werden. Hierzu wird eine Luftaufbereitungsvorrichtung, die auch als Luftreinigereinheit bezeichnet wird und beispielsweise basierend auf dielektrischer Barriereentladung (DBE) arbeitet mit einer Dunstabzugshaube, die auch als Dunstabzug bezeichnet wird, kombiniert. In der Luftstrecke, die auch als LuftfĆ¼hrung bezeichnet wird, zwischen dem Luftreiniger und dem Dunstabzug befindet sich eine Luftleitvorrichtung, beispielsweise eine Klappe, mit deren Hilfe der Luftstrom entweder vollstƤndig in eine Abluftanlage, die auch als Abluftsystem bezeichnet wird, eine HausbelĆ¼ftungsanlage oder Ć¼ber einen Filter oder Ƅhnliches oder auch ohne Filter zurĆ¼ck in die Raumluft geleitet wird. Die Luft kann erfindungsgemƤƟ nach Passieren des Luftreinigers zurĆ¼ck in die Raumluft geleitet werden. Die Stellung der Luftleitvorrichtung, beispielsweise der Klappe, ist frei oder in Stufen eintstellbar, kann aber auch automatisch in AbhƤngigkeit von Parametern wie zum Beispiel der AuƟen- und Innentemperatur, der relativen Luftfeuchtigkeit, der VOC (volatile organic compond)-Belastung der Innenraumluft, gesteuert werden.With the present invention, the requirements for the air duct in an extractor system comprising a cooker hood and an air treatment device can be suitably adjusted. For this purpose, an air treatment device, which is also referred to as an air cleaner unit and, for example, based on dielectric barrier discharge (DBE) works with a cooker hood, which is also referred to as extractor hood combined. In the air gap, which is also referred to as air duct between the air cleaner and the extractor is a spoiler, such as a flap, with the help of the air flow either completely in an exhaust system, which is also referred to as exhaust system, a home ventilation system or a filter or similar or without filter back into the room air is passed. The air can be passed according to the invention after passing through the air cleaner back into the room air. The position of the spoiler, such as the flap, is free or adjustable in stages, but can also automatically depending on parameters such as the outdoor and indoor temperature, the relative humidity, the VOC (volatile organic compond) load on indoor air, controlled become.

Ein Vorteil dieser Erfindung besteht darin, dass beispielsweise im Winter die beheizte Raumluft nicht ins Freie geblasen wird und somit der WƤrmeverlust reduziert wird, hingegen im Sommer bei Bedarf die LĆ¼ftung ins Freie erfolgen kann. Ein weiterer Vorteil ist, dass im Sommer klimatisierte Luft nicht ins Freie abgegeben werden muss. Zudem kann das Dunstabzugssystem, zum Beispiel in AbhƤngigkeit der Filteralterung oder der Verrohrung, durch die Steuerung, insbesondere durch die Steuerung durch die Luftleitvorrichtung, auch hinsichtlich des Druckabfalls und GerƤuschentwicklung optimiert werden. Im Gegensatz zu herkƶmmlichen Dunstabzugssystemen, bei denen statt einer Luftaufbereitungsvorrichtung ein Aktivkohlefilter als Geruchsfilter an der Dunstabzugshaube verwendet wird, werden zudem vorhandene GerĆ¼che im Luftreiniger beispielsweise aus KochvorgƤngen abgebaut anstatt gespeichert zu werden und kƶnnen somit nicht, wie beispielsweise bei herkƶmmlichen Aktivkohlefiltern wieder austreten.An advantage of this invention is that, for example, in winter, the heated room air is not blown into the open and thus reduces the heat loss on the other hand, if necessary, the ventilation can take place outdoors in summer. Another advantage is that air conditioned in the summer does not have to be released outside. In addition, the extractor system, for example, depending on the filter aging or piping, by the controller, in particular by the control by the air deflector, also be optimized in terms of pressure drop and noise. In contrast to conventional extractor systems, in which instead of an air treatment device, an activated carbon filter is used as an odor filter on the hood, existing odors in the air cleaner, for example, reduced from cooking processes instead of being stored and thus can not, as in conventional activated carbon filters escape again.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
DunstabzugssystemExtractor system
1010
DunstabzugshaubeHood
1111
LuftaufbereitungsvorrichtungAir conditioning device
110110
GehƤusecasing
111111
Plasmaquelleplasma source
111 a111 a
Elektrodeelectrode
111111
b Elektrodeb electrode
1212
LuftfĆ¼hrungair duct
120120
Verzweigungbranch
121121
Astbranch
122122
Astbranch
123123
Astbranch
124124
Astbranch
125125
Filterelementfilter element
1313
Luftleitvorrichtungspoiler device
1414
Sensorsensor
1515
Sensorsensor
1616
Steuereinheitcontrol unit
22
Kochfeldhob
33
OberschrankWall unit
44
Raumdeckeceiling

Claims (11)

Dunstabzugssystem, das eine Dunstabzugshaube (10) und mindestens eine Luftaufbereitungsvorrichtung (11) aufweist, dadurch gekennzeichnet, dass die Luftaufbereitungsvorrichtung (11) mit der Dunstabzugshaube (10) Ć¼ber eine LuftfĆ¼hrung (12) verbunden ist und mindestens eine Plasmaquelle (111) fĆ¼r die Luftaufbereitung aufweist, das Dunstabzugssystem (1) zwischen der Dunstabzugshaube (10) und der mindestens einen Luftaufbereitungsvorrichtung (11) eine Verzweigung (120) der LuftfĆ¼hrung (12) aufweist und im Bereich der Verzweigung (120) zumindest eine Luftleitvorrichtung (13) vorgesehen ist, die in mindestens drei Betriebsstellungen einstellbar ist.Vapor extraction system, which has an extractor hood (10) and at least one air treatment device (11), characterized in that the air treatment device (11) with the extractor hood (10) via an air duct (12) is connected and at least one plasma source (111) for the air treatment , the extractor hood system (1) between the extractor hood (10) and the at least one air treatment device (11) has a branch (120) of the air duct (12) and in the region of the branch (120) at least one air guiding device (13) is provided is adjustable in at least three operating positions. Dunstabzugssystem nach Anspruch 1, dadurch gekennzeichnet, dass die Plasmaquelle (111) der Luftaufbereitungsvorrichtung (11) Mittel zur Erzeugung einer dielektrischen Barriereentladung, insbesondere mindestens zwei Elektroden (111 a, 111 b), aufweist.Vapor extraction system according to claim 1, characterized in that the plasma source (111) of the air treatment device (11) comprises means for generating a dielectric barrier discharge, in particular at least two electrodes (111 a, 111 b). Dunstabzugssystem nach einem der AnsprĆ¼che 1 oder 2, dadurch gekennzeichnet, dass die Luftaufbereitungsvorrichtung (11) eine zu der Dunstabzugshaube (10) separate Vorrichtung darstellt, die Ć¼ber die LuftfĆ¼hrung (12) mit der Dunstabzugshaube (10) verbunden ist.Vapor extraction system according to one of claims 1 or 2, characterized in that the air treatment device (11) to the extractor hood (10) is a separate device which is connected via the air duct (12) with the extractor hood (10). Dunstabzugssystem nach einem der AnsprĆ¼che 1 bis 3, dadurch gekennzeichnet, dass die Verzweigung (120) der LuftfĆ¼hrung (12) zumindest drei Ƅste (121, 122, 123, 124) aufweist, wobei einer der Ƅste (121) mit der Dunstabzugshaube (10), einer der Ƅste (122) mit der Luftaufbereitungsvorrichtung (11) und einer der Ƅste (123, 124) mit einer Luftleitung verbunden ist.Vapor extraction system according to one of claims 1 to 3, characterized in that the branch (120) of the air duct (12) at least three branches (121, 122, 123, 124), wherein one of the branches (121) with the extractor hood (10) , one of the branches (122) is connected to the air treatment device (11) and one of the branches (123, 124) is connected to an air line. Dunstabzugssystem nach Anspruch 4, dadurch gekennzeichnet, dass einer der Ƅste (123, 124) die Luftleitung darstellt und in der Luftleitung vorzugweise zumindest ein Filterelement (125) angeordnet ist.Vapor extraction system according to claim 4, characterized in that one of the branches (123, 124) represents the air line and in the air line preferably at least one filter element (125) is arranged. Dunstabzugssystem nach einem der AnsprĆ¼che 1 bis 5, dadurch gekennzeichnet, dass die Luftleitvorrichtung (13) eine Klappe darstellt.Vapor extraction system according to one of claims 1 to 5, characterized in that the air guiding device (13) constitutes a flap. Dunstabzugssystem nach einem der AnsprĆ¼che 1 bis 6, dadurch gekennzeichnet, dass die Luftleitvorrichtung (113) stufenlos in unterschiedliche Betriebsstellungen einstellbar ist.Vapor extraction system according to one of claims 1 to 6, characterized in that the air guiding device (113) is infinitely adjustable in different operating positions. Dunstabzugssystem nach einem der AnsprĆ¼che 1 bis 7, dadurch gekennzeichnet, dass die Luftleitvorrichtung (13) mit zumindest einem Sensor (14, 15), insbesondere einem Sensor zur Bestimmung des Luftzustandes, verbunden ist.Vapor extraction system according to one of claims 1 to 7, characterized in that the air guiding device (13) with at least one sensor (14, 15), in particular a sensor for determining the air condition, is connected. Dunstabzugssystem nach einem der AnsprĆ¼che 1 bis 8, dadurch gekennzeichnet, dass dieses eine Steuereinheit (16) zur Steuerung der zumindest einen Luftleitvorrichtung (13) aufweist.Vapor extraction system according to one of claims 1 to 8, characterized in that it comprises a control unit (16) for controlling the at least one air guiding device (13). Verfahren zum Betreiben eines Dunstabzugssystems nach einem AnsprĆ¼che 1 bis 9, dadurch gekennzeichnet, dass durch die Luftleitvorrichtung (13) mindestens ein Betriebszustand von mindestens drei BetriebszustƤnden des Dunstabzugssystems eingestellt wird.Method for operating a fume extraction system according to one of claims 1 to 9, characterized in that at least one operating state of at least three operating states of the extractor system is set by the air guiding device (13). Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass die Luftleitvorrichtung (13) in AbhƤngigkeit von mindestens einer ZustandsgrĆ¶ĆŸe des Luftzustandes gesteuert wird.A method according to claim 10, characterized in that the air guiding device (13) is controlled in dependence on at least one state variable of the air condition.
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DE102019121115A1 (en) * 2019-08-05 2021-02-11 Miele & Cie. Kg Air treatment system for improving an air quality of indoor air in a room and method for its operation
CN113251455B (en) * 2021-07-07 2022-03-04 南äŗ¬å¾·åŠ›é€šēŽÆ境ē§‘ęŠ€ęœ‰é™å…¬åø Civil integrated oil fume purification and collection all-in-one machine and purification method thereof
WO2024072213A1 (en) * 2022-09-26 2024-04-04 Bos Fornuizen B.V. Extractor assembly for a domestic cooker, cooker arrangement, and method

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Publication number Priority date Publication date Assignee Title
EP2789921A1 (en) * 2013-04-09 2014-10-15 Silverline KĆ¼chengerƤte und Handel GmbH Extractor hood
WO2017140554A1 (en) * 2016-02-15 2017-08-24 Bruckbauer, Wilhelm Device for arranging one or more electrodes of a plasma filter in a housing of a fume hood apparatus
CN108087939A (en) * 2018-01-23 2018-05-29 ꭦ걉굩čˆŖēŽÆäæē§‘ęŠ€ęœ‰é™å…¬åø A kind of disc type soot dust granule object seperator
CN108826407A (en) * 2018-07-20 2018-11-16 å¹æäøœē¾Žēš„åŽØęˆæē”µå™Øåˆ¶é€ ęœ‰é™å…¬åø Ceiling mounting type smoke machine
EP3667176A1 (en) * 2018-12-11 2020-06-17 Franke Futurum AB Fume extractor hood, method for operating a fume extractor hood

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