EP2645009A2 - Ventilation system - Google Patents

Ventilation system Download PDF

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Publication number
EP2645009A2
EP2645009A2 EP13001329.5A EP13001329A EP2645009A2 EP 2645009 A2 EP2645009 A2 EP 2645009A2 EP 13001329 A EP13001329 A EP 13001329A EP 2645009 A2 EP2645009 A2 EP 2645009A2
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EP
European Patent Office
Prior art keywords
air
room
unit
fan
ventilation system
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
EP13001329.5A
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German (de)
French (fr)
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EP2645009B1 (en
EP2645009A3 (en
Inventor
Kai Schiefelbein
Ivo Huhmann
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.)
Stiebel Eltron GmbH and Co KG
Original Assignee
Stiebel Eltron GmbH and Co KG
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Publication of EP2645009A2 publication Critical patent/EP2645009A2/en
Publication of EP2645009A3 publication Critical patent/EP2645009A3/en
Application granted granted Critical
Publication of EP2645009B1 publication Critical patent/EP2645009B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F2007/0025—Ventilation using vent ports in a wall

Definitions

  • the invention relates to a ventilation system for ventilating a room with a first room zone and a second room zone, with an outside air unit of an exhaust air unit and with an air duct.
  • Ventilation devices for ventilation of a room are known from the prior art as decentralized ventilation units.
  • a decentralized ventilation unit is mounted directly in the room where the ventilation requirement exists.
  • the ventilation unit is often arranged on the inside of an outer wall of a room.
  • CH 229 153 describes a ventilation system in which the air passes through a cavity before entering the room to be heated.
  • the air is introduced from the outside into the cavity and then enters through appropriate air outlets in the lounge.
  • the air inlet into the cavity is located in a first Wall, a channel for the outflow of air is located in a second wall, which is opposite to the first wall.
  • the invention is based on the object to provide a ventilation device that allows an improved constant supply of fresh air, in particular, the air hygiene in terms of health protection should be improved.
  • the air duct leads from the outdoor air unit through the first room zone in the second room zone, wherein the outdoor air unit and the exhaust unit are guided through a first wall of the room and the air supply unit is located in the region of a second wall of the room. Consequently, the air is first conveyed from the outside air unit into the air duct.
  • the air duct preferably has no openings, so that no fresh air exits the air duct in the first room zone.
  • the air in the area of the second wall is blown into the room through the supply air unit.
  • the air is distributed in the room and moves in the direction of the first room zone.
  • the exhaust air is conveyed out of the room by the exhaust unit in the first wall.
  • This cross ventilation causes fresh air to flow completely through the room by circulating the air from the outdoor air unit through the air duct to the second wall and from there back to the first wall.
  • the outside air unit and the exhaust unit are located in a wall, preferably in an exterior wall of a building, so that air can be introduced into the space from outside and then transported outside again.
  • a room wall, a house wall or a ceiling is provided as a wall.
  • the outside air unit and / or exhaust air unit are arranged in the region of a window.
  • the first wall is an outer wall and the second wall is another wall of the room.
  • the second wall is a ceiling or a floor or an inner wall, which lies opposite the outer wall.
  • the air duct is guided on the ceiling or on a floor of the room to Zu Kunststofftechnik.
  • a Zu povertygitter is arranged in the Zu Kunststoffä, which is suitable to scatter a supply air.
  • the fresh air is divided into a plurality of partial flows and therefore widely diversified into the interior, and does not enter the room as a single air flow, which the user perceives as unpleasant.
  • the air is well distributed in the room through the various partial flows.
  • the outside air unit has at least one of the following components: an outside air filter, a coarse filter, a silencer, and or a UV filter.
  • the outside air grille prevents foreign objects from entering the ventilation system from the outside.
  • the coarse filter filters out coarser dirt particles from the air.
  • the silencer causes a noise reduction of the ventilation system.
  • the UV filter Through the UV filter, the incoming air is irradiated by means of an ultraviolet lamp, which kills germs that are in the air. Through these components improved air hygiene is achieved. Especially in heavily polluted conurbations unfiltered air is hazardous to health.
  • the use of the components roughly cleans the air in a first step, it being advantageous if as many as possible, preferably all of these components are used.
  • the outdoor air unit is designed as a wall duct, which is preferably mounted in an apartment in the outer wall.
  • This bore in the outer wall is preferably a KernlochBohrung, in particular a round hole.
  • the hole is angular, in particular square or rectangular designed.
  • the arrangement of the outside air unit in a bore within the outer wall has the advantage that all components, so the outer wall grid, the coarse filter, the muffler and the UV filter can be accommodated in the hole.
  • the outside air unit is pre-assembled as a module and is merely inserted into the core hole.
  • the outside air unit is arranged on an outer wall and connected by a hose leading through the outer wall with the air duct.
  • a fan unit is arranged in the air duct.
  • the position of the fan unit is variable, i. E. it may be located in the vicinity of the outside air unit, in the vicinity of the air supply unit or in a position between the outside air and the air intake unit.
  • the ventilation unit is arranged in the region of the first room zone.
  • the fan unit preferably has at least one of the following components: a fine filter, a pollutant filter, a fan and / or a silencer.
  • the fine filter filters particulate matter, such as inhalable fine dust (PM10) and respirable particulate matter (PM 2.5) out of the air.
  • the pollutant filter filters out further pollutants from the air, in particular nitrogen oxides (NOX) and sulfur oxides (SOX).
  • NOX nitrogen oxides
  • SOX sulfur oxides
  • an activated carbon filter and / or a chemical filter is used as the pollutant filter.
  • the fan is used to convey air. Outside air is drawn in by the fan and transported through the air duct to the air intake unit.
  • a constant volume flow fan is used as a fan, which calculates the air volume based on speed and current consumption.
  • a remote control is provided, with which the user can control the operation of the fan. According to one aspect of the invention, it is provided that the user merely turns the fan on or off.
  • the degree of contamination of the fine filter is determined by means of the speed of the fan.
  • the speed of the fan decreases with increasing contamination of the filter. If the speed falls below a defined threshold, this is recognized as contamination of the filter, which makes a filter change necessary.
  • the need for the filter change is indicated to the user by means of a signal, preferably an optical or acoustic signal. The user is thus informed in good time about the necessary replacement of the soiled filter.
  • the air volume of the fan is also controlled by the user and can be controlled, for example, based on several stages of 'weak' to 'strong'. Furthermore, a further muffler is provided which further reduces the noise generated during operation of the ventilation system.
  • the fan unit is configured as a pre-assembled module, which is positioned in the air duct during installation.
  • the fan unit consists of EPS, in which the various components are plugged, and is surrounded by an injection molded housing.
  • the air duct at least partially on the room side an insulating material in order to achieve a thermal separation between the incoming fresh air and the room air in the room, so that no condensation occurs in the region of the supply air.
  • condensation can occur when warm outside air and cooler indoor air meet, which in turn can lead to mold growth. An insulation of the air duct to the room side prevents this condensation.
  • an insulating layer is mounted on the air duct.
  • the insulation is polystyrene with a smooth inner wall.
  • the insulation is shaped so that it forms a channel.
  • the insulation itself forms the air duct.
  • This has the advantage that an additional air duct is omitted, since the insulation itself forms the air duct.
  • this has the advantage that the air duct can be easily and quickly mounted by being placed on the ceiling or the room floor, for example, is glued.
  • the air duct has a simple shape, in particular it is designed as a flat channel, in particular as a round, oval or square flat channel.
  • the first room zone preferably occupies approximately one half of the room, the second room zone approximately the other half of the room, wherein the first room zone lies in the area of the outer wall of the room and the second room zone in the area of the inner wall of a room.
  • An imaginary dividing line between the two spatial zones runs roughly in the middle of the room from the ceiling to the floor.
  • the first room zone is larger or smaller than the second room zone.
  • the first space zone occupies at least about one third of the space. This is necessary for the cross ventilation effect to be achieved.
  • the ventilation system is designed as a supply air system. So that no condensation occurs in the room, it is necessary that colder air flows in the direction of a warmer air. If warmer air flows in the direction of the colder air, condensation would occur in the area where the two air streams meet.
  • the ventilation system is therefore preferably designed as a supply air station. This means that there is overpressure in the room. Due to this overpressure, the air within the room, ie the colder air, flows in the direction of the warmer outside air, whereby condensation is avoided.
  • only one exhaust port possibly with an exhaust grille, is provided. The fan unit thereby promotes more air in the room, as exiting through the exhaust port, whereby the desired pressure in the room is achieved.
  • the ventilation system is designed as an exhaust system.
  • the ventilation system is preferably used in this case, where the outside air has a lower temperature than the inside air. So that here the colder air flows in the direction of warmer air to avoid condensation, it is necessary to provide a negative pressure in the room. Due to this negative pressure, the colder outside air flows in the direction of the warmer inside air.
  • a further fan unit is provided in the exhaust port. To achieve 'cold' to 'warm' air flow requires that the fan in the exhaust vent convey more air to the outside than the fan in the fan unit conveys into the room to achieve the desired negative pressure and hence air flow 'cold' to reach 'warm'.
  • a pressure control is provided, in which the two fans in the fan unit and in the exhaust port communicate with each other, so that in each case the fan in the exhaust air unit promotes a higher volume of air than the fan in the fan unit.
  • both fans are preferably coupled to one another in such a way that a change in the nominal air volume at the fan of the fan unit has a direct effect on the air volume of the fan in the exhaust air opening.
  • Fig. 1 describes a ventilation system 1 for installation in a room 2.
  • the room 2 has a first room zone 22 and a second room zone 23, wherein between the first room zone 22 and the second room zone 23 an imaginary dividing line 24 runs.
  • the imaginary parting line 24 between the first room zone 22 and the second room zone 23 extends approximately in the middle of the room 2, from a ceiling 204 to a floor 203.
  • the first room zone 22 and the second room zone 23 are in about the same size, although a different size ratio is possible.
  • the space 2 has a ceiling 204, a floor 203, a first wall 201 and a second wall 202. In the region of the first wall 201, an outside air opening 21 is provided.
  • an outside air unit 11 is introduced, through which outside air 31 enters an air duct 12.
  • the air duct 12 has an insulation 121, which is arranged on the room side.
  • a fan unit 13 is arranged, which, inter alia, has a fan, is sucked with the outside air 31 as a channel air 32 in the air duct 12.
  • the duct air 32 enters the room in the area of a supply air unit 14 as supply air 33.
  • an exhaust air opening 25 is provided in the region of the first wall 201, in which an exhaust air unit 15 is arranged.
  • the supply air 33 is distributed in the space 2, an exhaust air 34 flows through the exhaust air unit 15 and is discharged as exhaust air 35 back to the outside.
  • Fig. 2 shows a schematic view of the outdoor air unit 11 in one embodiment.
  • the outside air unit 11 has an outside air grille 111, a coarse filter 112, a silencer 113 and a UV filter 114. Through these components is achieved that pollutants are filtered out of the incoming air.
  • Fig. 3 shows a schematic view of a fan unit 13 in one embodiment.
  • the fan unit 13 has a fine filter 131, a pollutant filter 132, a fan 133 and a muffler 134.
  • the fan 131 causes outside air to be sucked in and conveyed into the room.
  • the muffler 134 causes a noise reduction of the ventilation system.
  • the fine filter 131 and the pollutant filter 132 filter other harmful particles from the air.
  • Fig. 4 a schematic view of a Zu povertytechnik 14 is shown.
  • the Zu povertytechnik 14 has a Zu povertygitter 141.
  • the supply air grille 141 has slats 142, which divide the air flow into a plurality of partial air streams and thereby spread the air flow wide.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Central Air Conditioning (AREA)

Abstract

The ventilation system (1) has spatial zones (22,23), an outer air unit (11), an exhaust unit (15) and an air channel (12). The air channel is provided to feed external air from the outside air unit through spatial zone (22) into spatial zone (23). The outside air unit and the exhaust unit are separated by wall (201) of the chamber (2). The air supply unit (14) is guided through wall (202) of the chamber.

Description

Die Erfindung betrifft eine Lüftungsanlage zur Belüftung eines Raumes mit einer ersten Raumzone und einer zweiten Raumzone, mit einer Außenlufteinheit einer Ablufteinheit und mit einem Luftkanal.The invention relates to a ventilation system for ventilating a room with a first room zone and a second room zone, with an outside air unit of an exhaust air unit and with an air duct.

Lüftungsgeräte zur Belüftung eines Raumes sind aus dem Stand der Technik als dezentrale Lüftungsgeräte bekannt. Ein dezentrales Lüftungsgerät wird direkt im Raum, in dem der Lüftungsbedarf besteht, montiert. Das Lüftungsgerät ist dabei häufig an der Innenseite einer Außenwand eines Raumes angeordnet.Ventilation devices for ventilation of a room are known from the prior art as decentralized ventilation units. A decentralized ventilation unit is mounted directly in the room where the ventilation requirement exists. The ventilation unit is often arranged on the inside of an outer wall of a room.

CH 229 153 beschreibt eine Lüftungsanlage, bei der die Luft vor dem Eintritt in den zu beheizenden Raum durch einen Hohlraum streicht. Die Luft wird von außen in den Hohlraum eingeführt und tritt sodann durch entsprechende Luftauslässe in den Aufenthaltsraum ein. Der Lufteinlass in den Hohlraum befindet sich dabei in einer ersten Wand, ein Kanal zum Abfluss der Luft befindet sich in einer zweiten Wand, die der ersten Wand gegenüberliegt. CH 229 153 describes a ventilation system in which the air passes through a cavity before entering the room to be heated. The air is introduced from the outside into the cavity and then enters through appropriate air outlets in the lounge. The air inlet into the cavity is located in a first Wall, a channel for the outflow of air is located in a second wall, which is opposite to the first wall.

Der Erfindung liegt die Aufgabe zu Grunde, ein Lüftungsgerät zu schaffen, das eine verbesserte konstante Frischluftzufuhr ermöglicht, wobei insbesondere die Lufthygiene im Hinblick auf Gesundheitsschutz verbessert werden soll.The invention is based on the object to provide a ventilation device that allows an improved constant supply of fresh air, in particular, the air hygiene in terms of health protection should be improved.

Diese Aufgabe ist durch die Merkmale des Patentanspruchs 1 gelöst.This object is solved by the features of patent claim 1.

Danach führt der Luftkanal von der Außenlufteinheit durch die erste Raumzone in die zweite Raumzone, wobei die Außenlufteinheit und die Ablufteinheit durch eine erste Wand des Raumes geführt sind und die Zulufteinheit im Bereich einer zweiten Wand des Raumes liegt. Folglich wird die Luft zunächst von der Außenlufteinheit in den Luftkanal befördert. Im Bereich der ersten Raumzone weist der Luftkanal vorzugsweise keine Öffnungen auf, so dass in der ersten Raumzone keine Frischluft aus dem Luftkanal austritt. in der zweiten Raumzone wird die Luft im Bereich der zweiten Wand durch die Zulufteinheit in den Raum eingeblasen. Die Luft verteilt sich im Raum und bewegt sich in Richtung der ersten Raumzone. Die Abluft wird durch die Ablufteinheit in der ersten Wand aus dem Raum befördert.Thereafter, the air duct leads from the outdoor air unit through the first room zone in the second room zone, wherein the outdoor air unit and the exhaust unit are guided through a first wall of the room and the air supply unit is located in the region of a second wall of the room. Consequently, the air is first conveyed from the outside air unit into the air duct. In the region of the first room zone, the air duct preferably has no openings, so that no fresh air exits the air duct in the first room zone. in the second room zone, the air in the area of the second wall is blown into the room through the supply air unit. The air is distributed in the room and moves in the direction of the first room zone. The exhaust air is conveyed out of the room by the exhaust unit in the first wall.

Hierdurch ist eine Querlüftung des Raumes erreicht. Diese Querlüftung bewirkt, dass Frischluft den Raum vollständig durchströmt, indem die Luft von der Außenlufteinheit durch den Luftkanal zur zweiten Wand und von dort wieder zur ersten Wand zirkuliert.As a result, a cross ventilation of the room is achieved. This cross ventilation causes fresh air to flow completely through the room by circulating the air from the outdoor air unit through the air duct to the second wall and from there back to the first wall.

Vorzugsweise liegen Außenlufteinheit und Ablufteinheit in einer Wand, vorzugsweise in einer Außenwand eines Gebäudes, damit Luft von außen in den Raum eingeführt werden kann und sodann wiederum nach draußen befördert wird.Preferably, the outside air unit and the exhaust unit are located in a wall, preferably in an exterior wall of a building, so that air can be introduced into the space from outside and then transported outside again.

Vorzugsweise ist als Wand eine Zimmerwand, eine Hauswand oder eine Decke vorgesehen. In einer weiteren vorteilhaften Ausgestaltung der Erfindung sind Außenlufteinheit und/oder Ablufteinheit im Bereich eines Fensters angeordnet.Preferably, a room wall, a house wall or a ceiling is provided as a wall. In a further advantageous embodiment of the invention, the outside air unit and / or exhaust air unit are arranged in the region of a window.

Gemäß einem ersten Ausführungsbeispiel ist die erste Wand eine Außenwand und die zweite Wand eine weitere Wand des Raumes. In einem weiteren Ausführungsbeispiel ist die zweite Wand eine Raumdecke oder ein Fußboden oder eine Innenwand, die der Außenwand gegenüber liegt.According to a first embodiment, the first wall is an outer wall and the second wall is another wall of the room. In a further embodiment, the second wall is a ceiling or a floor or an inner wall, which lies opposite the outer wall.

Vorzugsweise wird der Luftkanal an der Raumdecke bzw. an einem Fußboden des Raumes zur Zulufteinheit geführt.Preferably, the air duct is guided on the ceiling or on a floor of the room to Zulufteinheit.

In einer vorteilhaften Ausgestaltung der Erfindung ist in der Zulufteinheit ein Zuluftgitter angeordnet, das geeignet ist, einen Zuluftstrom zu streuen. Hierdurch ist erreicht, dass die Frischluft in mehrere Teilströme aufgeteilt und daher breit gefächert in den Innenraum eingeblasen wird, und nicht als einzelner Luftstrom in den Raum eintritt, was der Benutzer als unangenehm empfindet. Zudem ist erreicht, dass sich die Luft durch die verschiedenen Teilströme gut im Raum verteilt.In an advantageous embodiment of the invention, a Zuluftgitter is arranged in the Zulufteinheit, which is suitable to scatter a supply air. As a result, it is achieved that the fresh air is divided into a plurality of partial flows and therefore widely diversified into the interior, and does not enter the room as a single air flow, which the user perceives as unpleasant. In addition, it is achieved that the air is well distributed in the room through the various partial flows.

Gemäß einem Aspekt der Erfindung weist die Außenlufteinheit wenigstens einen der folgenden Komponenten auf: ein Außenluftfilter, einen Grobfilter, einen Schalldämpfer und oder einen UV-Filter. Das Außenluftgitter verhindert, dass Fremdkörper von außen in die Lüftungsanlage eindringen. Der Grobfilter filtert gröbere Schmutzpartikel aus der Luft heraus. Der Schalldämpfer bewirkt eine Geräuschreduzierung der Lüftungsanlage. Durch den UV-Filter wird die eintretende Luft mittels einer ultravioletten Leuchte bestrahlt, was Keime, die sich in der Luft befinden, abtötet. Durch diese Komponenten ist eine verbesserte Lufthygiene erreicht. Gerade in stark verschmutzten Ballungsgebieten ist ungefilterte Luft gesundheitsgefährdend. Die Verwendung der Komponenten die Luft in einem ersten Schritt grob gereinigt, wobei es vorteilhaft ist, wenn möglichst viele, vorzugsweise alle diese Komponenten verwendet sind.According to one aspect of the invention, the outside air unit has at least one of the following components: an outside air filter, a coarse filter, a silencer, and or a UV filter. The outside air grille prevents foreign objects from entering the ventilation system from the outside. The coarse filter filters out coarser dirt particles from the air. The silencer causes a noise reduction of the ventilation system. Through the UV filter, the incoming air is irradiated by means of an ultraviolet lamp, which kills germs that are in the air. Through these components improved air hygiene is achieved. Especially in heavily polluted conurbations unfiltered air is hazardous to health. The use of the components roughly cleans the air in a first step, it being advantageous if as many as possible, preferably all of these components are used.

Gemäß einem Ausführungsbeispiel ist die Außenlufteinheit als Wanddurchführung ausgestaltet, die vorzugsweise in einer Wohnung in der Außenwand angebracht ist. Bei dieser Bohrung in der Außenwand handelt es sich vorzugsweise um eine KernlochBohrung, insbesondere um eine runde Bohrung.According to one embodiment, the outdoor air unit is designed as a wall duct, which is preferably mounted in an apartment in the outer wall. This bore in the outer wall is preferably a KernlochBohrung, in particular a round hole.

Gemäß einem weiteren Ausführungsbeispiel ist die Bohrung eckig, insbesondere quadratisch oder rechteckig ausgestaltet.According to a further embodiment, the hole is angular, in particular square or rectangular designed.

Die Anordnung der Außenlufteinheit in einer Bohrung innerhalb der Außenwand hat den Vorteil, dass alle Komponenten, also das Außenwandgitter, der Grobfilter, der Schalldämpfer und der UV-Filter in der Bohrung Platz finden. Vorzugsweise ist die Außenlufteinheit als Modul vormontiert und wird lediglich in die Kernlochbohrung eingeschoben.The arrangement of the outside air unit in a bore within the outer wall has the advantage that all components, so the outer wall grid, the coarse filter, the muffler and the UV filter can be accommodated in the hole. Preferably, the outside air unit is pre-assembled as a module and is merely inserted into the core hole.

Gemäß einem weiteren Ausführungsbeispiel ist die Außenlufteinheit an einer Außenwand angeordnet und durch einen durch die Außenwand führenden Schlauch mit dem Luftkanal verbunden.According to a further embodiment, the outside air unit is arranged on an outer wall and connected by a hose leading through the outer wall with the air duct.

Gemäß einer weiteren Ausgestaltung der Erfindung ist in dem Luftkanal eine Lüftereinheit angeordnet. Die Position der Lüftereinheit ist dabei variabel, d.h. sie kann in der Nähe der Außenlufteinheit, in der Nähe der Zulufteinheit oder in einer Position zwischen der Außenluft- und der Zulufteinheit angeordnet sein. Vorzugsweise ist die lüftungseinheit im Bereich der ersten Raumzone angeordnet.According to a further embodiment of the invention, a fan unit is arranged in the air duct. The position of the fan unit is variable, i. E. it may be located in the vicinity of the outside air unit, in the vicinity of the air supply unit or in a position between the outside air and the air intake unit. Preferably, the ventilation unit is arranged in the region of the first room zone.

Vorzugsweise weist die Lüftereinheit wenigstens eine der folgenden Komponenten auf: einen Feinfilter, einen Schadstofffilter, einen Lüfter und/oder einen Schalldämpfer. Der Feinfilter filtert Feinstaub-Partikel, wie inhalierbaren Feinstaub (PM10) sowie lungengängigen Feinstaub (PM 2,5) aus der Luft heraus. Hierdurch ist die Lufthygiene verbessert, da Feinstaub aus der Luft herausgefiltert wird, was insbesondere in stark verschmutzten Ballungszentren wichtig ist. Der Schadstofffilter filtert weitere Verschmutzungen aus der Luft heraus, insbesondere Stickoxide (NOX) sowie Schwefeloxide (SOX). Vorzugsweise ist als Schadstofffilter ein Aktivkohlefilter und/oder ein chemischer Filter verwendet.The fan unit preferably has at least one of the following components: a fine filter, a pollutant filter, a fan and / or a silencer. The fine filter filters particulate matter, such as inhalable fine dust (PM10) and respirable particulate matter (PM 2.5) out of the air. As a result, the air hygiene is improved because fine dust is filtered out of the air, which is particularly important in heavily polluted urban centers. The pollutant filter filters out further pollutants from the air, in particular nitrogen oxides (NOX) and sulfur oxides (SOX). Preferably, an activated carbon filter and / or a chemical filter is used as the pollutant filter.

Der Lüfter dient der Förderung von Luft. Mithilfe des Lüfters wird Außenluft angesogen und durch den Luftkanal zur Zulufteinheit befördert.The fan is used to convey air. Outside air is drawn in by the fan and transported through the air duct to the air intake unit.

In einer vorteilhaften Ausgestaltung der Erfindung ist als Lüfter ein Konstant-Volumenstrom-Lüfter verwendet, der das Luftvolumen anhand von Drehzahl und Stromaufnahme berechnet. In einer weiteren Ausgestaltung der Erfindung ist eine Fernbedienung vorgesehen, mit der der Benutzer den Betrieb des Lüfters steuern kann. Gemäß einem Aspekt der Erfindung ist vorgesehen, dass der Benutzer den Lüfter lediglich an- oder ausschaltet.In an advantageous embodiment of the invention, a constant volume flow fan is used as a fan, which calculates the air volume based on speed and current consumption. In a further embodiment of the invention, a remote control is provided, with which the user can control the operation of the fan. According to one aspect of the invention, it is provided that the user merely turns the fan on or off.

In einem Ausführungsbeispiel wird der Verschmutzungsgrad des Feinfilters mittels der Drehzahl des Lüfters ermittelt. Die Drehzahl des Lüfters nimmt bei zunehmender Verschmutzung des Filters ab. Unterschreitet die Drehzahl einen definierten Schwellwert, wird dies als Verschmutzung des Filters erkannt, die einen Filterwechsel notwendig macht. Vorzugsweise wird die Notwendigkeit des Filterwechsels dem Nutzer mittels eines Signals, vorzugsweise eines optischen oder akustischen Signals, angezeigt. Der Nutzer wird somit rechtzeitig auf den notwendigen Austausch des verschmutzten Filters hingewiesen.In one embodiment, the degree of contamination of the fine filter is determined by means of the speed of the fan. The speed of the fan decreases with increasing contamination of the filter. If the speed falls below a defined threshold, this is recognized as contamination of the filter, which makes a filter change necessary. Preferably, the need for the filter change is indicated to the user by means of a signal, preferably an optical or acoustic signal. The user is thus informed in good time about the necessary replacement of the soiled filter.

In einer weiteren Ausgestaltung der Erfindung ist das Luftvolumen des Lüfters ebenfalls durch den Benutzer steuerbar und kann beispielsweise anhand mehrerer Stufen von 'schwach' bis ,stark' gesteuert werden. Weiterhin ist ein weiterer Schalldämpfer vorgesehen, der die beim Betrieb der Lüftungsanlage entstehenden Geräusche weiter reduziert.In a further embodiment of the invention, the air volume of the fan is also controlled by the user and can be controlled, for example, based on several stages of 'weak' to 'strong'. Furthermore, a further muffler is provided which further reduces the noise generated during operation of the ventilation system.

Vorzugsweise ist die Lüftereinheit als vormontiertes Modul ausgestaltet, das bei der Installation in dem Luftkanal positioniert wird. Vorzugsweise besteht die Lüftereinheit aus EPS, in das die verschiedenen Komponenten gesteckt werden, und ist von einem Spritzgussgehäuse umgeben.Preferably, the fan unit is configured as a pre-assembled module, which is positioned in the air duct during installation. Preferably, the fan unit consists of EPS, in which the various components are plugged, and is surrounded by an injection molded housing.

In einem weiteren Ausführungsbeispiel weist der Luftkanal wenigstens teilweise raumseitig ein Isoliermaterial auf, um eine thermische Trennung zwischen der einströmenden Frischluft und der im Raum befindlichen Raumluft zu erreichen, damit im Bereich des Zuluftkanals keine Kondensation auftritt. Insbesondere in Gegenden, in denen die Außenluft eine höhere Temperatur aufweist als die Raumluft, insbesondere bei klimatisierten Innenräumen, kann beim Zusammentreffen von warmer Außenluft und kühlerer Innenluft Kondensation auftreten, was wiederum zu Schimmelbildung führen kann. Eine Isolierung des Luftkanals zur Raumseite verhindert diese Kondensation.In a further embodiment, the air duct at least partially on the room side an insulating material in order to achieve a thermal separation between the incoming fresh air and the room air in the room, so that no condensation occurs in the region of the supply air. Especially in areas where the outside air has a higher temperature than the room air, especially in air-conditioned interiors, condensation can occur when warm outside air and cooler indoor air meet, which in turn can lead to mold growth. An insulation of the air duct to the room side prevents this condensation.

Gemäß einem Ausführungsbeispiel ist auf dem Luftkanal eine isolierende Schicht angebracht.According to one embodiment, an insulating layer is mounted on the air duct.

In einem weiteren Ausführungsbeispiel besteht die Isolierung aus Polystyrol mit einer glatten Innenwand. Die Isolierung ist dabei so geformt, dass sie einen Kanal bildet. Vorzugsweise bildet dabei die Isolierung selbst den Luftkanal. Dies hat den Vorteil, dass ein zusätzlicher Luftkanal entfällt, da die Isolierung selbst den Luftkanal bildet. Weiterhin hat dies den Vorteil, dass der Luftkanal einfach und schnell montiert werden kann, indem er an der Raumdecke oder dem Raumfußboden angeordnet wird, beispielsweise geklebt wird.In another embodiment, the insulation is polystyrene with a smooth inner wall. The insulation is shaped so that it forms a channel. Preferably, the insulation itself forms the air duct. This has the advantage that an additional air duct is omitted, since the insulation itself forms the air duct. Furthermore, this has the advantage that the air duct can be easily and quickly mounted by being placed on the ceiling or the room floor, for example, is glued.

Vorzugsweise weist der Luftkanal dabei eine einfache Formgebung auf, insbesondere ist er als Flachkanal ausgestaltet, insbesondere als runder, ovaler oder eckiger Flachkanal.Preferably, the air duct has a simple shape, in particular it is designed as a flat channel, in particular as a round, oval or square flat channel.

Vorzugsweise nimmt die erste Raumzone in etwa eine Hälfte des Raumes ein, die zweite Raumzone in etwa die andere Hälfte des Raumes, wobei die erste Raumzone im Bereich der Außenwand des Raumes liegt und die zweite Raumzone im Bereich der Innenwand eines Raumes. Eine imaginäre Trennlinie zwischen den beiden Raumzonen verläuft in etwa in der Mitte des Raumes von der Decke bis zum Fußboden.The first room zone preferably occupies approximately one half of the room, the second room zone approximately the other half of the room, wherein the first room zone lies in the area of the outer wall of the room and the second room zone in the area of the inner wall of a room. An imaginary dividing line between the two spatial zones runs roughly in the middle of the room from the ceiling to the floor.

Gemäß einem weiteren Gedanken der Erfindung ist die erste Raumzone größer oder kleiner als die zweite Raumzone. Vorzugsweise nimmt die erste Raumzone wenigstens etwa ein Drittel des Raumes ein. Dies ist erforderlich, damit der Querlüftungseffekt erreicht wird.According to a further aspect of the invention, the first room zone is larger or smaller than the second room zone. Preferably, the first space zone occupies at least about one third of the space. This is necessary for the cross ventilation effect to be achieved.

Gemäß einer vorteilhaften Ausgestaltung der Erfindung ist die Lüftungsanlage als Zuluftanlage ausgebildet. Damit im Raum keine Kondensation auftritt, ist erforderlich, dass kältere Luft in Richtung einer wärmeren Luft strömt. Würde wärmere Luft in Richtung der kälteren Luft strömen, träte im Bereich des Aufeinandertreffens der beiden Luftströme eine Kondensation auf.According to an advantageous embodiment of the invention, the ventilation system is designed as a supply air system. So that no condensation occurs in the room, it is necessary that colder air flows in the direction of a warmer air. If warmer air flows in the direction of the colder air, condensation would occur in the area where the two air streams meet.

In Klimazonen, in denen die Luft außen eine höhere Temperatur aufweist als innerhalb eines Gebäudes, ist die Lüftungsanlage daher vorzugsweise als Zuluftantage ausgestaltet. Dies bedeutet, dass im Raum ein Überdruck herrscht. Durch diesen Überdruck strömt die Luft innerhalb des Raumes, also die kältere Luft, in Richtung der wärmeren Außenluft, wodurch Kondensation vermieden ist. In diesem Fall ist lediglich eine Abluftöffnung, gegebenenfalls mit einem Abluftgitter, vorgesehen. Die Lüftereinheit fördert dadurch mehr Luft in den Raum, als durch die Abluftöffnung austritt, wodurch der gewünschte Überdruck im Raum erzielt wird.In climatic zones in which the outside air has a higher temperature than inside a building, the ventilation system is therefore preferably designed as a supply air station. This means that there is overpressure in the room. Due to this overpressure, the air within the room, ie the colder air, flows in the direction of the warmer outside air, whereby condensation is avoided. In this case, only one exhaust port, possibly with an exhaust grille, is provided. The fan unit thereby promotes more air in the room, as exiting through the exhaust port, whereby the desired pressure in the room is achieved.

Gemäß einer weiteren Ausgestaltung der Erfindung ist die Lüftungsanlage als Abluftanlage ausgestaltet. Die Lüftungsanlage ist in diesem Fall vorzugsweise dort verwendet, wo die Außenluft eine niedrigere Temperatur aufweist als die Innenluft. Damit hier die kältere Luft in Richtung der wärmeren Luft strömt, um Kondensation zu vermeiden, ist erforderlich, einen Unterdruck im Raum vorzusehen. Durch diesen Unterdruck strömt die kältere Außenluft in Richtung der wärmeren Innenluft. In diesem Fall ist eine weitere Lüftereinheit in der Abluftöffnung vorgesehen. Um eine Luftströmung von ,kalt' nach ,warm' zu erreichen, ist erforderlich, dass der Lüfter in der Abluftöffnung mehr Luft nach außen befördert als der Lüfter in der Lüftereinheit in den Raum befördert, um den gewünschten Unterdruck und damit eine Strömung der Luft von ,kalt' nach ,warm' zu erreichen. Vorzugsweise ist daher eine Druckregelung vorgesehen, bei der die beiden Lüfter in der Lüftereinheit sowie in der Abluftöffnung miteinander kommunizieren, damit jeweils der Lüfter in der Ablufteinheit ein höheres Luftvolumen fördert als der Lüfter in der Lüftereinheit.According to a further embodiment of the invention, the ventilation system is designed as an exhaust system. The ventilation system is preferably used in this case, where the outside air has a lower temperature than the inside air. So that here the colder air flows in the direction of warmer air to avoid condensation, it is necessary to provide a negative pressure in the room. Due to this negative pressure, the colder outside air flows in the direction of the warmer inside air. In this case, a further fan unit is provided in the exhaust port. To achieve 'cold' to 'warm' air flow requires that the fan in the exhaust vent convey more air to the outside than the fan in the fan unit conveys into the room to achieve the desired negative pressure and hence air flow 'cold' to reach 'warm'. Preferably, therefore, a pressure control is provided, in which the two fans in the fan unit and in the exhaust port communicate with each other, so that in each case the fan in the exhaust air unit promotes a higher volume of air than the fan in the fan unit.

Ist die Lüftungsanlage für den Kunden steuerbar, etwa mittels einer Fernbedienung, sind beide Lüfter vorzugsweise so miteinander gekoppelt, dass eine Veränderung des Luft-Sollvolumens am Lüfter der Lüftereinheit sich unmittelbar auf das Luftvolumen des Lüfters in der Abluftöffnung auswirkt.If the ventilation system can be controlled by the customer, for example by means of a remote control, both fans are preferably coupled to one another in such a way that a change in the nominal air volume at the fan of the fan unit has a direct effect on the air volume of the fan in the exhaust air opening.

In der Zeichnung zeigen:

Figur 1
eine schematische Darstellung der Lüftungsanlage in einem Ausführungsbeispiel,
Figur 2
eine schematische Ansicht der Außenlufteinheit in einem Ausführungsbeispiel,
Figur 3
eine schematische Ansicht der Lüftereinheit in einem Ausführungsbeispiel,
Figur 4
eine schematische Ansicht der Zulufteinheit in einem Ausführungsbeispiel.
In the drawing show:
FIG. 1
a schematic representation of the ventilation system in an embodiment,
FIG. 2
a schematic view of the outdoor air unit in an embodiment,
FIG. 3
a schematic view of the fan unit in an embodiment,
FIG. 4
a schematic view of the Zulufteinheit in one embodiment.

Fig. 1 beschreibt ein Lüftungssystem 1 zur Installation in einem Raum 2. Der Raum 2 weist eine erste Raumzone 22 und eine zweite Raumzone 23 auf, wobei zwischen der ersten Raumzone 22 und der zweiten Raumzone 23 eine imaginäre Trennlinie 24 verläuft. In diesem Ausführungsbeispiel verläuft die imaginäre Trennlinie 24 zwischen der ersten Raumzone 22 und der zweiten Raumzone 23 in etwa in der Mitte des Raumes 2, und zwar von einer Decke 204 zu einem Fußboden 203. Damit sind die erste Raumzone 22 und die zweite Raumzone 23 in etwa gleich groß, wobei auch ein anderes Größenverhältnis möglich ist. Der Raum 2 weist eine Decke 204, einen Fußboden 203, eine erste Wand 201 und eine zweite Wand 202 auf. Im Bereich der ersten Wand 201 ist eine Außenluftöffnung 21 vorgesehen. In dieser Außenluftöffnung 21 ist eine Außenlufteinheit 11 eingebracht, durch die Außenluft 31 in einen Luftkanal 12 eintritt. Der Luftkanal 12 weist eine Isolierung 121 auf, die raumseitig angeordnet ist. Im Luftkanal 21 ist eine Lüftereinheit 13 angeordnet, die u.a. einen Lüfter aufweist, mit dem Außenluft 31 als Kanalluft 32 in den luftkanal 12 eingesogen wird. Die Kanalluft 32 tritt im Bereich einer Zulufteinheit 14 als Zuluft 33 in den Raum ein. Weiterhin ist im Bereich der ersten Wand 201 eine Abluftöffnung 25 vorgesehen, in der eine Ablufteinheit 15 angeordnet ist. Die Zuluft 33 verteilt sich im Raum 2, eine Abluft 34 durchströmt die Ablufteinheit 15 und wird als Fortluft 35 wieder nach außen abgegeben. Indem die Außenluft 31 nicht sofort in den Raum 2 eintritt, sondern zunächst als Kanalluft 32 an der Decke entlanggeführt wird, bevor sie durch die Zulufteinheit 14 in den Raum abgegeben wird, entsteht eine Querlüftung, die erreicht, dass sich die Zuluft 33 optimal im Raum 2 verteilt. Fig. 1 describes a ventilation system 1 for installation in a room 2. The room 2 has a first room zone 22 and a second room zone 23, wherein between the first room zone 22 and the second room zone 23 an imaginary dividing line 24 runs. In this embodiment, the imaginary parting line 24 between the first room zone 22 and the second room zone 23 extends approximately in the middle of the room 2, from a ceiling 204 to a floor 203. Thus, the first room zone 22 and the second room zone 23 are in about the same size, although a different size ratio is possible. The space 2 has a ceiling 204, a floor 203, a first wall 201 and a second wall 202. In the region of the first wall 201, an outside air opening 21 is provided. In this outside air opening 21, an outside air unit 11 is introduced, through which outside air 31 enters an air duct 12. The air duct 12 has an insulation 121, which is arranged on the room side. In the air duct 21, a fan unit 13 is arranged, which, inter alia, has a fan, is sucked with the outside air 31 as a channel air 32 in the air duct 12. The duct air 32 enters the room in the area of a supply air unit 14 as supply air 33. Furthermore, an exhaust air opening 25 is provided in the region of the first wall 201, in which an exhaust air unit 15 is arranged. The supply air 33 is distributed in the space 2, an exhaust air 34 flows through the exhaust air unit 15 and is discharged as exhaust air 35 back to the outside. By the outside air 31 does not enter immediately into the room 2, but first as channel air 32 is guided along the ceiling, before it is discharged through the air supply unit 14 in the room, creates a cross-ventilation, which ensures that the supply air 33 optimally distributed in space 2.

Fig. 2 zeigt eine schematische Ansicht der Außenlufteinheit 11 in einem Ausführungsbeispiel. Die Außenlufteinheit 11 weist ein Außenluftgitter 111, einen Grobfilter 112, einen Schalldämpfer 113 sowie einen UV-Filter 114 auf. Durch diese Komponenten ist erreicht, dass Schadstoffe aus der eintretenden Luft herausgefiltert werden. Fig. 2 shows a schematic view of the outdoor air unit 11 in one embodiment. The outside air unit 11 has an outside air grille 111, a coarse filter 112, a silencer 113 and a UV filter 114. Through these components is achieved that pollutants are filtered out of the incoming air.

Fig. 3 zeigt eine schematische Ansicht einer Lüftereinheit 13 in einem Ausführungsbeispiel. Die Lüftereinheit 13 weist einen Feinfilter 131, einen Schadstofffilter 132, einen Lüfter 133 sowie einen Schalldämpfer 134 auf. Der Lüfter 131 bewirkt, dass Außenluft angesogen und in den Raum gefördert wird. Der Schalldämpfer 134 bewirkt eine Geräuschreduzierung der Lüftungsanlage. Der Feinfilter 131 sowie der Schadstofffilter 132 filtern weitere schädliche Partikel aus der Luft. Fig. 3 shows a schematic view of a fan unit 13 in one embodiment. The fan unit 13 has a fine filter 131, a pollutant filter 132, a fan 133 and a muffler 134. The fan 131 causes outside air to be sucked in and conveyed into the room. The muffler 134 causes a noise reduction of the ventilation system. The fine filter 131 and the pollutant filter 132 filter other harmful particles from the air.

In Fig. 4 ist eine schematische Ansicht einer Zulufteinheit 14 gezeigt. Die Zulufteinheit 14 weist ein Zuluftgitter 141 auf. Das Zuluftgitter 141 weist Lamellen 142 auf, die den Luftstrom in mehrere Teilluftströme unterteilen und dadurch den Luftstrom breit streuen.In Fig. 4 a schematic view of a Zulufteinheit 14 is shown. The Zulufteinheit 14 has a Zuluftgitter 141. The supply air grille 141 has slats 142, which divide the air flow into a plurality of partial air streams and thereby spread the air flow wide.

Claims (8)

Lüftungsanlage (1) zur Belüftung eines Raumes (2) mit einer ersten Raumzone (22) und einer zweiten Raumzone (23),
mit einer Außenlufteinheit (11), einer Ablufteinheit (15) und mit einem Luftkanal (12),
dadurch gekennzeichnet,
dass der Luftkanal (12) von der Außenlufteinheit (11) durch die erste Raumzone (22) in die zweite Raumzone (23) führt, und
dass die Außenlufteinheit (11) und die Ablufteinheit (15) durch eine erste Wand (201) des Raumes (2) und die Zulufteinheit (14) durch eine zweite Wand (202) des Raumes (2) geführt ist.Ventilation system (1) for ventilating a room (2) having a first room zone (22) and a second room zone (23),
with an outside air unit (11), an exhaust air unit (15) and with an air duct (12),
characterized,
that the air duct (12) from the outside air unit (11) through said first space region (22) in the second chamber zone (23) leads, and
in that the outside air unit (11) and the exhaust air unit (15) are guided through a first wall (201) of the room (2) and the air supply unit (14) through a second wall (202) of the room (2). Lüftungsanlage (1) nach Anspruch 1,
dadurch gekennzeichnet,
dass an der Zulufteinheit (14) ein Zuluftgitter (141) angeordnet ist, das geeignet ist, einen Zuluftstrom zu streuen.Ventilation system (1) according to claim 1,
characterized,
in that a supply air grid (141), which is suitable for spreading a supply air flow, is arranged on the supply air unit (14). Lüftungsanlage (1) nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Außenlufteinheit (11) wenigstens eine der folgenden Komponenten aufweist: ein Außenluftgitter (111), einen Grobfilter (112), einen Schalldämpfer (113) und/oder einen UV-Filter (114).Ventilation system (1) according to claim 1 or 2,
characterized,
in that the outside air unit (11) has at least one of the following components: an outside air grille (111), a coarse filter (112), a silencer (113) and / or a UV filter (114). Lüftungsanlage (1) nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 3,
dadurch gekennzeichnet,
dass in dem Luftkanal (12) eine Lüftereinheit (13) angeordnet ist, die wenigstens eine der folgenden Komponenten aufweist: einen Feinfilter (131), einen Schadstofffilter (132), einen Lüfter (113) und/oder einen Schalldämpfer (134).Ventilation system (1) according to one or more of the preceding claims 1 to 3,
characterized,
in that arranged in the air duct (12) is a fan unit (13) which has at least one of the following components: a fine filter (131), a pollutant filter (132), a fan (113) and / or a silencer (134). Lüftungsanlage (1) nach Anspruch 4,
dadurch gekennzeichnet,
dass der Lüfter (113) ein Konstantvolumenstromlüfter ist.Ventilation system (1) according to claim 4,
characterized,
that the fan (113) is a constant volume flow fan. Lüftungsanlage (1) nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 5,
dadurch gekennzeichnet,
dass der Luftkanal (12) wenigstens teilweise raumseitig ein Isoliermaterial (121) aufweist.Ventilation system (1) according to one or more of the preceding claims 1 to 5,
characterized,
that the air duct (12) at least partially on the room side, an insulating material (121). Lüftungsanlage (1) nach Anspruch 6,
dadurch gekennzeichnet,
dass das Isoliermaterial (121) den Luftkanal (12) bildet.Ventilation system (1) according to claim 6,
characterized,
that the insulating material (121) forms the air duct (12). Lüftungsanlage (1) nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 7,
dadurch gekennzeichnet,
dass in der Ablufteinheit (15) ein Lüfter angeordnet ist.Ventilation system (1) according to one or more of the preceding claims 1 to 7,
characterized,
in that a fan is arranged in the exhaust air unit (15).
EP13001329.5A 2012-03-29 2013-03-15 Ventilation system Active EP2645009B1 (en)

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DE202012003192U1 (en) 2013-07-01
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