EP2716990B1 - Ceiling or wall-mounted apparatus for introducing cooled or heated air into a room - Google Patents

Ceiling or wall-mounted apparatus for introducing cooled or heated air into a room Download PDF

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Publication number
EP2716990B1
EP2716990B1 EP13002722.0A EP13002722A EP2716990B1 EP 2716990 B1 EP2716990 B1 EP 2716990B1 EP 13002722 A EP13002722 A EP 13002722A EP 2716990 B1 EP2716990 B1 EP 2716990B1
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EP
European Patent Office
Prior art keywords
air outlet
air
ceiling
wall
ducts
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EP13002722.0A
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German (de)
French (fr)
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EP2716990A2 (en
EP2716990A3 (en
Inventor
Christian Fieberg
Azaddin Azaouagh
Julian Appelhoff
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FlaektGroup Deutschland GmbH
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FlaektGroup Deutschland GmbH
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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F2013/0616—Outlets that have intake openings

Definitions

  • the invention relates to a ceiling or wall unit for introducing air into a room with a box-shaped housing, in which a fan impeller is arranged, which draws in the room or outside air through a central air inlet in the bottom or front of the housing and warms it by a heat exchanger or cooled air to air outlets arranged at the edge of the housing bottom or front through which the air is discharged into the room.
  • Ceiling recirculation units which have a lower central air inlet through which the room air is drawn in and passed through a heat exchanger for cooling or heating in order to then exit the air outlets on the four sides of the flat, cassette-shaped housing.
  • WO 2011/130778 A1 is a ceiling device for introducing heated or cooled air known with an annular outlet which is divided into a plurality of adjacent air outlet channels, each of which escaping air flow is guided obliquely to exit helically, with different exit angles.
  • the object of the invention is to improve a ceiling or wall unit of the type mentioned in such a way that in the function of cooling as well as heating an optimal air conditioning of a room with uniform temperature control can be achieved without drafts through a deep and uniform penetration of the room air ,
  • a preference for one type of air over the other is achieved if the channels carrying the cool air or the channels carrying the warm air have a greater width than the other air outlet channels.
  • each air outlet channel lies in a plane which is parallel to the device axis and forms an angle of 20 to 60 degrees with a plane running through the device axis and the air outlet. It is also proposed that closed areas lie between the air outlet channels.
  • a cool air duct and a warm air duct are arranged in pairs next to each other and a closed area is arranged between each pair of ducts.
  • a climate control without drafts that is adapted to the desired requirements is achieved if the air outlet ring forming the air outlet channels is covered on the inside or outside by at least one in particular ring-shaped or partially ring-shaped, movable screen, which has openings and closed areas as covering surfaces through which all air outlet channels can be selected or only fully or partially open air outlet ducts with the same warm or cool air and / or with the same air outlet angle.
  • the openings of the panel should have twice the width of an air outlet duct or the width of both air outlet ducts.
  • the screen is divided into two or more segments that only cover individual areas of the air outlet channels, so that different air outlet controls can be set on different sides of the device.
  • the segments are attached from the outside.
  • the air outlet ring divided into air outlet channels is divided into straight or curved sections, each having a plurality of air outlet channels, so that the air outlet ring is not necessarily circular, but polygonal, e.g. B. is secant-shaped with a preference for certain outlet directions.
  • the central air inlet has a filter, that a condensate collecting tray is arranged below the heat exchanger and that the underside of the housing has a circular or square or polygonal outer edge.
  • the device 1 for introducing cooled or heated air into a living or work space is optionally mounted in or on the ceiling or in or on the wall of a room, so that one can speak of a "ceiling air circulation unit” or "wall air circulation unit”.
  • the device has a flat housing 2 made of plastic or metal with a square front 3 and a square closed rear. The front and back are connected to one another by a closed wall 4 running around four sides, so that the housing has the shape of a box or a cassette.
  • a circular air inlet 5 through which room air is sucked into the interior of the housing 2.
  • a fan (not shown) with an impeller is arranged within the housing, the suction side of which is connected to the air inlet 5.
  • the blower conveys the air drawn in via a heat exchanger arranged in the housing to an air outlet ring 6 which coaxially surrounds the air inlet 5 and through which the air cooled or heated by the heat exchanger is blown into the room.
  • the heat exchanger can also be arranged between the air inlet 5 and the suction side of the fan.
  • the air outlet ring 6 is divided into numerous individual air outlet channels 7, 8, each of which forms an air path narrowing towards the respective outlet opening 9, so that each air outlet channel tapers the air conveyed by the blower deeply into the room.
  • the air outlet ring 6 has two different air outlet channels 7, 8, one of which optimizes an air outlet channel 7 for cold air and an air outlet channel 8 for warm air and these two different air outlet ducts are arranged in pairs next to one another, the air outlet ring 6 having a closed ring region between each pair of air outlet ducts, see 4 and 5 ,
  • an air outlet duct 7 for cold air is followed by an air outlet duct 8 for warm air and this is followed by a closed ring region 10.
  • the two different air outlet ducts 7, 8 differ from one another in that the ducts 7 carrying the cool air flatter, and thus with a smaller acute angle a, open into the lower or front side 3 of the housing than the ducts 8 carrying the warm air with a larger one Angle ⁇ .
  • the angles in question are in Fig. 6 and 7 shown. It is clear here that the respective acute angle between the main emission direction H and the surface of the front side 3 or a surface parallel to it is measured.
  • the angle ⁇ of the main emission direction H of the cool air is substantially smaller than the angle ⁇ of the warmer air, which forces the cooler air to flow along the ceiling for a longer period of time or a longer distance before it falls down.
  • the warm air jet is directed more downwards due to the larger angle ⁇ ( Fig. 7 ), so that it is ensured that the warm air comes down early and that no upper warm air layer forms.
  • the angle ⁇ preferably has 0 to 30 degrees and the angle ⁇ 25 to 55 degrees.
  • the widths in particular the mean width B7, B8 of the channels 7, 8 and the width B10 of the closed ring region 10 preferably being of the same size
  • annular diaphragm 11 coaxially lies on the air outlet ring, which corresponds in size and width to the air outlet ring and thus covers the air outlet ring.
  • the annular diaphragm 11 has closed areas 13 as cover surfaces.
  • the annular diaphragm 11 can be rotated about its central axis, so that the cold air outlet ducts 7 or the warm air outlet ducts 8 can be covered by the closed areas 13, so that, depending on whether the device is intended to cool or heat the room, the air outlet ducts concerned 7 or 8 can be opened.
  • all air outlet channels 7, 8 can also be opened when the closed region 13 of the diaphragm 11 is pushed onto the closed region 10 of the air outlet ring 6 in order to cover it.
  • the panel 11 enables a wide variety of intermediate positions for optimal room ventilation.
  • the outwardly directed air outlet ducts 7, 8 are not only at an angle to the surface of the front 3 with their angles a and ⁇ , but are also at an angle ⁇ to the radius R of the air outlet ring 6, so that the total air flow emerging from the air outlet ring widens helically penetrates far into the room.
  • the outflow direction H of each air outlet channel 7, 8 lies in a plane E1 which is parallel to the device axis A and forms an angle ⁇ of 20 to 60 degrees with a radial plane E2 running through the device axis and the air outlet 5.
  • the usual procedure here is that when air cooled by the heat exchanger is supplied, the air outlet channels 8 provided for the warm air are closed and only the air outlet channels 7 provided for the cold air are opened. Conversely, when heated air is supplied, the channels 7 are closed and the channels 8 are open.
  • the aperture 11 does not exist as in FIG Fig. 2 Shown from a single closed ring, but is divided into two or more ring sectors that can be moved separately in order to ventilate, cool and / or heat room areas differently.
  • the air outlet ring 6 does not consist of a single closed ring, but is divided into two or more ring sectors or straight or curved sections.
  • the air outlet ring 6 can form a polygon, in particular a quadrangle, hexagon or octagon, and in each ring sector or partial area there is a correspondingly designed diaphragm sector on the inside that is displaceable, adjustable. The cover 11 is then shaped and divided accordingly.
  • the housing front side 3 or underside has a square outer edge. Instead, it can also be circular or polygonal. Furthermore, it is not shown that the central air inlet 5 has at least one filter and that a condensate collecting tray is arranged below the heat exchanger.
  • every second air outlet channel 7 or 8 can be connected to the heat exchanger and the air outlet channels lying between them can be connected to the room and / or outside air.
  • the heat exchanger can also be located outside the housing 2.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)

Description

Die Erfindung betrifft ein Decken- oder Wandgerät zum Einbringen von Luft in einen Raum mit einem kastenförmigen Gehäuse, in dem ein Gebläselaufrad angeordnet ist, das durch einen mittigen Lufteinlass in der Gehäuseunter- oder -vorderseite die Raum- oder Außenluft ansaugt und durch einen Wärmetauscher erwärmte oder gekühlte Luft zu am Rand der Gehäuseunter- oder -vorderseite angeordnete Luftauslässe fördert, durch die die Luft in den Raum abgegeben wird.The invention relates to a ceiling or wall unit for introducing air into a room with a box-shaped housing, in which a fan impeller is arranged, which draws in the room or outside air through a central air inlet in the bottom or front of the housing and warms it by a heat exchanger or cooled air to air outlets arranged at the edge of the housing bottom or front through which the air is discharged into the room.

Es sind Deckenumluftgeräte bekannt, die einen unteren mittigen Lufteinlass aufweisen, durch den die Raumluft angesaugt und zum Abkühlen oder Erwärmen durch einen Wärmetauscher geführt wird, um danach aus Luftauslässen an den vier Seiten des flachen kassettenförmigen Gehäuses in den Raum auszutreten. Bei diesen bekannten Umluftgeräten hat es sich gezeigt, dass bei der Funktion des Raumkühlens die kalte Luft zu schnell nach unten fällt und hierdurch für die im Raum Anwesenden unkomfortabel ist. Bei der Funktion des Raumerwärmens bleibt dagegen die warme Luft zu lange in einer Warmluftschicht nahe der Decke, so dass wiederum eine ungleichmäßige Erwärmung und unangenehme Zugerscheinungen entstehen.Ceiling recirculation units are known which have a lower central air inlet through which the room air is drawn in and passed through a heat exchanger for cooling or heating in order to then exit the air outlets on the four sides of the flat, cassette-shaped housing. With these known circulating air devices, it has been shown that when the room is cooling, the cold air drops too quickly and is therefore uncomfortable for those present in the room. With the function of room heating, however, the warm air remains in a warm air layer near the ceiling for too long, which in turn leads to uneven heating and unpleasant drafts.

Aus der WO 2011/130778 A1 ist ein Deckengerät zum Einbringen von erwärmter oder gekühlter Luft bekannt mit einem ringförmigen Auslass, der in mehrere, nebeneinander liegende Luftauslasskanäle aufgeteilt ist, die jeweils den austretenden Luftstrom schräg geführt ist, um schraubenförmig auszutreten, mit unterschiedlichen Austrittswinkeln.From the WO 2011/130778 A1 is a ceiling device for introducing heated or cooled air known with an annular outlet which is divided into a plurality of adjacent air outlet channels, each of which escaping air flow is guided obliquely to exit helically, with different exit angles.

Aufgabe der Erfindung ist es, ein Decken- oder Wandgerät der eingangs genannten Art so zu verbessern, dass sowohl in der Funktion des Kühlens als auch des Erwärmens eine optimale Klimatisierung eines Raumes mit gleichmäßiger Temperierung ohne Zugerscheinungen durch eine tiefe und gleichmäßige Durchdringung der Raumluft erreichbar ist.The object of the invention is to improve a ceiling or wall unit of the type mentioned in such a way that in the function of cooling as well as heating an optimal air conditioning of a room with uniform temperature control can be achieved without drafts through a deep and uniform penetration of the room air ,

Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 1 gelöst.This object is achieved by the features of claim 1.

Hierdurch wird es möglich, den verschiedenen schrägen Luftaustrittskanälen die jeweils optimale Aufgabe zuzuordnen. Es wird eine optimale Klimatisierung ohne Zugerscheinungen und eine tiefe und gleichmäßige Durchdringung des Raums sowohl beim Kühlen als auch beim Wärmen erreicht. Eine einfache und genaue Einstellbarkeit der unterschiedlichen Luftströme ist gegeben, und dies bei hoher Energieeffizienz, einfacher Konstruktion und wenig Einzelteilen.This makes it possible to assign the optimal task to the various oblique air outlet channels. Optimal air conditioning without drafts and a deep and even penetration of the room is achieved both when cooling and when heating. A simple and precise adjustability of the different air flows is given, and this with high energy efficiency, simple construction and few individual parts.

Damit ist erreichbar, dass gekühlte Luft nicht sofort nach unten fällt, sondern länger entlang der Decke geführt wird und erwärmte Luft früh nach unten strömt und eine Luftschichtung verhindert wird.This means that cooled air does not immediately fall down, but is guided along the ceiling longer and heated air flows downwards early and air stratification is prevented.

Eine Bevorzugung einer Luftart gegenüber der anderen wird erreicht, wenn die die kühle Luft führenden Kanäle oder die die warme Luft führenden Kanäle eine größere Breite aufweisen als die anderen Luftauslasskanäle.A preference for one type of air over the other is achieved if the channels carrying the cool air or the channels carrying the warm air have a greater width than the other air outlet channels.

Vorzugsweise wird vorgeschlagen, dass die Ausströmrichtung jedes Luftauslasskanals in einer Ebene liegt, die parallel zu der Geräteachse ist und mit einer durch die Geräteachse und den Luftauslass verlaufenden Ebene einen Winkel von 20 bis 60 Grad bildet. Ferner wird vorgeschlagen, dass zwischen den Luftauslasskanälen geschlossene Bereiche liegen.It is preferably proposed that the outflow direction of each air outlet channel lies in a plane which is parallel to the device axis and forms an angle of 20 to 60 degrees with a plane running through the device axis and the air outlet. It is also proposed that closed areas lie between the air outlet channels.

Vorzugsweise wird vorgeschlagen, dass jeweils ein kühle Luft führender Kanal und ein warme Luft führender Kanal paarweise nebeneinander angeordnet sind und zwischen jedem Kanalpaar ein geschlossener Bereich angeordnet ist.It is preferably proposed that a cool air duct and a warm air duct are arranged in pairs next to each other and a closed area is arranged between each pair of ducts.

Eine den gewünschten Anforderungen angepasste Klimatisierung ohne Zugerscheinungen wird erreicht, wenn der die Luftauslasskanäle bildende Luftauslassring auf der Innen- oder Außenseite von mindestens einer insbesondere ringförmigen oder teilringförmigen, verschieblichen Blende abgedeckt ist, die Öffnungen und geschlossene Bereiche als Abdeckflächen aufweist, durch die wahlweise alle Luftauslasskanäle oder nur Luftauslasskanäle mit der gleich warmen oder kühlen Luft und/oder mit demselben Luftaustrittswinkel vollständig oder teilweise geöffnet werden. Hierbei sollten die Öffnungen der Blende die doppelte Breite eines Luftauslasskanals oder die Breite beider Luftauslasskanäle aufweisen.A climate control without drafts that is adapted to the desired requirements is achieved if the air outlet ring forming the air outlet channels is covered on the inside or outside by at least one in particular ring-shaped or partially ring-shaped, movable screen, which has openings and closed areas as covering surfaces through which all air outlet channels can be selected or only fully or partially open air outlet ducts with the same warm or cool air and / or with the same air outlet angle. Here, the openings of the panel should have twice the width of an air outlet duct or the width of both air outlet ducts.

Ferner sollte zwischen den Öffnungen der Blende jeweils ein geschlossener Bereich von mindestens der Breite eines Luftauslasskanals bestehen zum Abdecken mindestens eines Luftauslasskanals. Durch diesen Aufbau der Blende wird ermöglicht, dass wahlweise nur die Luftauslasskanäle mit warmer Luft oder nur die Luftauslasskanäle mit kühler Luft oder beide Arten von Luftauslasskanälen teilweise oder ganz geöffnet sind. Es ist damit eine sehr genaue und auch gemischte Luftzufuhr möglich.Furthermore, there should be a closed area of at least the width of an air outlet channel between the openings of the panel to cover at least one air outlet channel. This structure of the panel enables either only the air outlet ducts with warm air or only the air outlet ducts with cool air, or both types of air outlet ducts, to be partially or completely open. This enables a very precise and mixed air supply.

Ferner ist von Vorteil, wenn die Blende in zwei oder mehr Segmente aufgeteilt ist, die nur einzelne Bereiche der Luftauslasskanäle abdecken, so dass auf verschiedenen Seiten des Gerätes unterschiedliche Luftauslassregelungen einstellbar sind. Hierbei werden die Segmente von außen aufgesteckt.It is also advantageous if the screen is divided into two or more segments that only cover individual areas of the air outlet channels, so that different air outlet controls can be set on different sides of the device. The segments are attached from the outside.

Auch wird vorgeschlagen, dass der in Luftauslasskanälen aufgeteilte Luftauslassring in gerade oder gebogene Abschnitte aufgeteilt ist, die jeweils mehrere Luftauslasskanäle aufweisen, so dass der Luftauslassring nicht unbedingt kreisförmig ist, sondern mehreckig z. B. sekantenförmig aufgebaut ist mit einer Bevorzugung bestimmter Auslassrichtungen.It is also proposed that the air outlet ring divided into air outlet channels is divided into straight or curved sections, each having a plurality of air outlet channels, so that the air outlet ring is not necessarily circular, but polygonal, e.g. B. is secant-shaped with a preference for certain outlet directions.

Ferner wird vorgeschlagen, dass der mittige Lufteinlass einen Filter aufweist, dass unterhalb des Wärmetauschers eine Kondensatauffangschale angeordnet ist und dass die Gehäuseunterseite einen kreisförmigen oder quadratischen oder mehreckigen Außenrand aufweist.It is further proposed that the central air inlet has a filter, that a condensate collecting tray is arranged below the heat exchanger and that the underside of the housing has a circular or square or polygonal outer edge.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im Folgenden näher beschrieben. Es zeigen

Fig. 1
eine Unteransicht bzw. Vorderansicht des Decken- oder Wandgerätes,
Fig. 2
einen Schnitt durch das Decken- oder Wandgerät mit der Rückansicht des Luftauslassrings mit drehverstellbarer Abdeckblende,
Fig. 3
einen Ausschnitt aus dem Luftauslassring mit einer Blendenstellung, bei der der Luftauslasskanal für Kaltluft und der Luftauslassring für Warmluft geöffnet sind,
Fig. 4
den Ausschnitt nach Fig. 3 mit geöffnetem Luftauslassring für Kaltluft und geschlossenem Luftauslassring für Warmluft,
Fig. 5
den Ausschnitt nach Fig. 3 mit geöffnetem Luftauslassring für Warmluft und geschlossenem Luftauslassring für Kaltluft,
Fig. 6
einen Schnitt nach VI-VI in Fig. 2 durch den Luftauslassring für Kaltluft,
Fig. 7
einen Schnitt nach VII-VII in Fig. 2 durch den Luftauslassring für Warmluft,
Fig. 8
einen Schnitt nach VIII-VIII in Fig. 2 durch den geschlossenen Bereich des Luftauslassrings,
Fig. 9
eine Seitenansicht des Decken- oder Wandgeräts.
An embodiment of the invention is shown in the drawings and is described in more detail below. Show it
Fig. 1
a bottom view or front view of the ceiling or wall unit,
Fig. 2
a section through the ceiling or wall unit with the rear view of the air outlet ring with a rotating adjustable cover,
Fig. 3
a section of the air outlet ring with an aperture position in which the air outlet duct for cold air and the air outlet ring for warm air are open,
Fig. 4
the clipping Fig. 3 with open air outlet ring for cold air and closed air outlet ring for warm air,
Fig. 5
the clipping Fig. 3 with open air outlet ring for warm air and closed air outlet ring for cold air,
Fig. 6
a section according to VI-VI in Fig. 2 through the air outlet ring for cold air,
Fig. 7
a section according to VII-VII in Fig. 2 through the air outlet ring for warm air,
Fig. 8
a section according to VIII-VIII in Fig. 2 through the closed area of the air outlet ring,
Fig. 9
a side view of the ceiling or wall unit.

Das Gerät 1 zum Einbringen von gekühlter oder erwärmter Luft in einen Wohn- oder Arbeitsraum wird wahlweise in oder an der Decke oder in oder an der Wand eines Raumes angebracht, so dass von einem "Deckenumluftgerät" oder "Wandumluftgerät" gesprochen werden kann. Das Gerät besitzt ein flaches Gehäuse 2 aus Kunststoff oder Metall mit quadratischer Vorderseite 3 und quadratischer geschlossener Rückseite. Vorderseite und Rückseite sind durch eine über vier Seiten umlaufende geschlossene Wand 4 miteinander verbunden, so dass das Gehäuse die Form eines Kastens oder einer Kassette aufweist.The device 1 for introducing cooled or heated air into a living or work space is optionally mounted in or on the ceiling or in or on the wall of a room, so that one can speak of a "ceiling air circulation unit" or "wall air circulation unit". The device has a flat housing 2 made of plastic or metal with a square front 3 and a square closed rear. The front and back are connected to one another by a closed wall 4 running around four sides, so that the housing has the shape of a box or a cassette.

In der Wand der Vorderseite 3 befindet sich mittig ein Kreisförmiger Lufteinlass 5, durch den Raumluft in das Innere des Gehäuses 2 eingesaugt wird. Hierzu ist innerhalb des Gehäuses ein nicht dargestelltes Gebläse mit Laufrad angeordnet, dessen Saugseite mit dem Lufteinlass 5 verbunden ist. Das Gebläse fördert die angesaugte Luft über einen im Gehäuse angeordneten Wärmetauscher zu einem Luftauslassring 6, der den Lufteinlass 5 koaxial umgibt und durch den die vom Wärmetauscher gekühlte oder erwärmte Luft in den Raum geblasen wird. Alternativ kann der Wärmetauscher auch zwischen dem Lufteinlass 5 und der Saugseite des Gebläses angeordnet sein.In the middle of the wall of the front 3 there is a circular air inlet 5 through which room air is sucked into the interior of the housing 2. For this purpose, a fan (not shown) with an impeller is arranged within the housing, the suction side of which is connected to the air inlet 5. The blower conveys the air drawn in via a heat exchanger arranged in the housing to an air outlet ring 6 which coaxially surrounds the air inlet 5 and through which the air cooled or heated by the heat exchanger is blown into the room. Alternatively, the heat exchanger can also be arranged between the air inlet 5 and the suction side of the fan.

Der Luftauslassring 6 ist in zahlreiche einzelne Luftauslasskanäle 7, 8 aufgeteilt, die jeweils einen zur jeweiligen Auslassöffnung 9 hin sich verengenden Luftweg bilden, so dass jeder Luftauslasskanal sich düsenförmig verjüngend die vom Gebläse geförderte Luft tief in den Raum bläst. Hierbei weist der Luftauslassring 6 zwei unterschiedliche Luftauslasskanäle 7, 8 auf, von denen ein Luftauslasskanal 7 für Kaltluft und ein Luftauslasskanal 8 für Warmluft optimiert ist und diese zwei unterschiedlichen Luftauslasskanäle paarweise nebeneinander angeordnet sind, wobei zwischen jedem Paar von Luftauslasskanälen der Luftauslassring 6 einen geschlossenen Ringbereich aufweist, siehe Fig. 4 und 5. Somit folgt einem Luftauslasskanal 7 für Kaltluft ein Luftauslasskanal 8 für Warmluft und diesem ein geschlossener Ringbereich 10.The air outlet ring 6 is divided into numerous individual air outlet channels 7, 8, each of which forms an air path narrowing towards the respective outlet opening 9, so that each air outlet channel tapers the air conveyed by the blower deeply into the room. Here, the air outlet ring 6 has two different air outlet channels 7, 8, one of which optimizes an air outlet channel 7 for cold air and an air outlet channel 8 for warm air and these two different air outlet ducts are arranged in pairs next to one another, the air outlet ring 6 having a closed ring region between each pair of air outlet ducts, see 4 and 5 , Thus, an air outlet duct 7 for cold air is followed by an air outlet duct 8 for warm air and this is followed by a closed ring region 10.

Die beiden unterschiedlichen Luftauslasskanäle 7, 8 unterscheiden sich voneinander dadurch, dass die die kühle Luft führenden Kanäle 7 flacher und damit mit einem kleineren spitzen Winkel a in die Gehäuseunter- oder - vorderseite 3 münden als die die warme Luft führenden Kanäle 8 mit einem größeren spitzen Winkel β. Die betreffenden Winkel sind in Fig. 6 und 7 dargestellt. Es wird hier deutlich, dass der jeweilige spitze Winkel zwischen der Hauptausstrahlrichtung H und der Fläche der Vorderseite 3 bzw. einer dazu parallelen Fläche gemessen wird.The two different air outlet ducts 7, 8 differ from one another in that the ducts 7 carrying the cool air flatter, and thus with a smaller acute angle a, open into the lower or front side 3 of the housing than the ducts 8 carrying the warm air with a larger one Angle β. The angles in question are in Fig. 6 and 7 shown. It is clear here that the respective acute angle between the main emission direction H and the surface of the front side 3 or a surface parallel to it is measured.

Wie in Fig. 6 dargestellt, ist der Winkel α der Hauptausstrahlrichtung H der kühlen Luft wesentlich kleiner als der Winkel β der wärmeren Luft, wodurch die kühlere Luft gezwungen wird, längere Zeit bzw. eine größere Strecke entlang der Raumdecke zu strömen, ehe sie nach unten fällt. Dagegen ist der Warmluftstrahl durch den größeren Winkel β stärker nach unten gerichtet (Fig. 7), so dass dafür gesorgt ist, dass die warme Luft früh nach unten gelangt und sich keine obere Warmluftschicht bildet. Vorzugsweise weist der Winkel α 0 bis 30 Grad und der Winkel β 25 bis 55 Grad auf.As in Fig. 6 shown, the angle α of the main emission direction H of the cool air is substantially smaller than the angle β of the warmer air, which forces the cooler air to flow along the ceiling for a longer period of time or a longer distance before it falls down. In contrast, the warm air jet is directed more downwards due to the larger angle β ( Fig. 7 ), so that it is ensured that the warm air comes down early and that no upper warm air layer forms. The angle α preferably has 0 to 30 degrees and the angle β 25 to 55 degrees.

Zwischen den Paaren von Luftauslasskanälen 7, 8 befindet sich im Luftauslassring 6 jeweils ein geschlossener, keinen Luftauslasskanal aufweisender Ringbereich 10, wobei die Breiten insbesondere die mittlere Breite B7, B8 der Kanäle 7, 8 und die Breite B10 des geschlossenen Ringbereichs 10 vorzugsweise gleich groß sind.Between the pairs of air outlet channels 7, 8 there is in the air outlet ring 6 in each case a closed ring region 10 which does not have an air outlet channel, the widths in particular the mean width B7, B8 of the channels 7, 8 and the width B10 of the closed ring region 10 preferably being of the same size ,

Auf der Rückseite des Luftauslassrings 6 und damit auf der zur Vorderseite 3 abgewandten Seite liegt auf dem Luftauslassring koaxial eine ringförmige Blende 11, die in ihrer Größe und Breite dem Luftauslassring entspricht und damit den Luftauslassring abdeckt. In der ringförmigen Blende befinden sich Öffnungen 12 mit der Breite B1 bestehend aus der Breite B7 des Luftauslasskanals 7 plus der Breite B8 des Luftauslasskanals 8, so dass die Gesamtbreite B1 doppelt so groß ist wie die Breite eines Luftauslasskanals und/oder die Breite B7 plus B8 beider Luftauslasskanäle. Zwischen den Öffnungen 12 weist die ringförmige Blende 11 geschlossene Bereiche 13 als Abdeckflächen auf.On the rear side of the air outlet ring 6 and thus on the side facing away from the front side 3, an annular diaphragm 11 coaxially lies on the air outlet ring, which corresponds in size and width to the air outlet ring and thus covers the air outlet ring. There are openings 12 in the annular diaphragm with the width B1 consisting of the width B7 of the air outlet duct 7 plus the width B8 of the air outlet duct 8, so that the total width B1 is twice as large as the width of one air outlet duct and / or the width B7 plus B8 of both air outlet ducts. Between the openings 12, the annular diaphragm 11 has closed areas 13 as cover surfaces.

Die ringförmige Blende 11 ist um ihre mittlere Achse drehverstellbar, so dass durch die geschlossenen Bereiche 13 wahlweise die Kaltluftauslasskanäle 7 oder die Warmluftauslasskanäle 8 abgedeckt werden können, so dass je nachdem, ob durch das Gerät der Raum gekühlt oder erwärmt werden soll, die betreffenden Luftauslasskanäle 7 oder 8 geöffnet werden. Es können aber auch alle Luftauslasskanäle 7, 8 geöffnet werden, wenn der geschlossene Bereich 13 der Blende 11 auf dem geschlossenen Bereich 10 des Luftauslassrings 6 geschoben wird, um diesen zu überdecken. Darüber hinaus ermöglicht die Blende 11 verschiedenste Zwischenstellungen zur optimalen Raumbelüftung.The annular diaphragm 11 can be rotated about its central axis, so that the cold air outlet ducts 7 or the warm air outlet ducts 8 can be covered by the closed areas 13, so that, depending on whether the device is intended to cool or heat the room, the air outlet ducts concerned 7 or 8 can be opened. However, all air outlet channels 7, 8 can also be opened when the closed region 13 of the diaphragm 11 is pushed onto the closed region 10 of the air outlet ring 6 in order to cover it. In addition, the panel 11 enables a wide variety of intermediate positions for optimal room ventilation.

Die nach außen gerichteten Luftauslasskanäle 7, 8 stehen mit ihren Winkeln a und β nicht nur schräg zur Fläche der Vorderseite 3, sondern stehen mit einem Winkel γ auch schräg zum Radius R des Luftauslassrings 6, so dass der aus dem Luftauslassring austretende Gesamtluftstrom schraubenförmig sich erweiternd weit in den Raum dringt. Anders ausgedrückt liegt die Ausströmrichtung H jedes Luftauslasskanals 7, 8 in einer Ebene E1, die parallel zu der Geräteachse A ist und mit einer durch die Geräteachse und den Luftauslass 5 verlaufenden radialen Ebene E2 einen Winkel γ von 20 bis 60 Grad bildet. Hierbei ist die übliche Arbeitsweise, dass bei einer Zufuhr von durch den Wärmetauscher gekühlter Luft die für die Warmluft vorgesehenen Luftauslasskanäle 8 geschlossen und nur die für die Kaltluft vorgesehenen Luftauslasskanäle 7 geöffnet sind. Umgekehrt sind bei einer Zufuhr erwärmter Luft die Kanäle 7 geschlossen und die Kanäle 8 geöffnet.The outwardly directed air outlet ducts 7, 8 are not only at an angle to the surface of the front 3 with their angles a and β, but are also at an angle γ to the radius R of the air outlet ring 6, so that the total air flow emerging from the air outlet ring widens helically penetrates far into the room. In other words, the outflow direction H of each air outlet channel 7, 8 lies in a plane E1 which is parallel to the device axis A and forms an angle γ of 20 to 60 degrees with a radial plane E2 running through the device axis and the air outlet 5. The usual procedure here is that when air cooled by the heat exchanger is supplied, the air outlet channels 8 provided for the warm air are closed and only the air outlet channels 7 provided for the cold air are opened. Conversely, when heated air is supplied, the channels 7 are closed and the channels 8 are open.

In einer nicht dargestellten alternativen Ausführung besteht die Blende 11 nicht wie in Fig. 2 dargestellt aus einem einzigen geschlossenen Ring, sondern ist in zwei oder mehr Ringsektoren aufgeteilt, die voneinander getrennt verschieblich sind, um Raumbereiche unterschiedlich zu belüften, zu kühlen und/oder zu erwärmen.In an alternative embodiment, not shown, the aperture 11 does not exist as in FIG Fig. 2 Shown from a single closed ring, but is divided into two or more ring sectors that can be moved separately in order to ventilate, cool and / or heat room areas differently.

In einer weiteren nicht dargestellten alternativen Ausführung besteht der Luftauslassring 6 nicht aus einem einzigen geschlossenen Ring, sondern ist in zwei oder mehr Ringsektoren oder gerade oder gebogene Teilbereiche aufgeteilt. Hierbei kann der Luftauslassring 6 ein Vieleck insbesondere ein Viereck, Sechseck oder Achteck bilden und bei jedem Ringsektor oder Teilbereich liegt innenseitig ein entsprechend gestalteter Blendensektor verschieblich, verstellbar an. Entsprechend ist dann auch die Abdeckblende 11 geformt und aufgeteilt.In a further alternative embodiment, not shown, the air outlet ring 6 does not consist of a single closed ring, but is divided into two or more ring sectors or straight or curved sections. In this case, the air outlet ring 6 can form a polygon, in particular a quadrangle, hexagon or octagon, and in each ring sector or partial area there is a correspondingly designed diaphragm sector on the inside that is displaceable, adjustable. The cover 11 is then shaped and divided accordingly.

Im dargestellten Ausführungsbeispiel besitzt die Gehäusevorderseite 3 bzw. Unterseite einen quadratischen Außenrand. Stattdessen kann dieser aber auch kreisförmig oder mehreckig sein. Ferner ist nicht dargestellt, dass der mittige Lufteinlass 5 mindestens einen Filter aufweist und dass unterhalb des Wärmetauschers eine Kondensatauffangschale angeordnet ist.In the exemplary embodiment shown, the housing front side 3 or underside has a square outer edge. Instead, it can also be circular or polygonal. Furthermore, it is not shown that the central air inlet 5 has at least one filter and that a condensate collecting tray is arranged below the heat exchanger.

In dieser Beschreibung wird nicht darauf eingegangen, wie der nicht dargestellte Wärmetauscher mit einem gekühlten oder erwärmten Medium versorgt wird. Hier können die üblichen bekannten Geräte mit Wärmepumpe oder andere Quellen mit kühlen oder heißen Medien angeschlossen werden.This description does not deal with how the heat exchanger, not shown, is supplied with a cooled or heated medium. The usual known devices with heat pumps or other sources with cool or hot media can be connected here.

Schließlich wird noch eine nicht dargestellte Ausführungsform vorgeschlagen, bei der dem Wärmetauscher im Gehäuse 2 die Raumluft nicht über den mittigen Lufteinlass zugeführt wird, der dann fehlen kann, sondern die zugeführte Luft kommt von außerhalb des Raumes insbesondere von der Außenluft oder von einem anderen Raum oder einer externen Luftanlage. Ferner kann jeder zweite Luftauslasskanal 7 oder 8 mit dem Wärmetauscher und die dazwischen liegenden Luftauslasskanäle mit der Raum- und/oder Außenluft verbunden sein.Finally, an embodiment, not shown, is proposed in which the room air is not supplied to the heat exchanger in the housing 2 via the central air inlet, which may then be missing, but rather the air supplied comes from outside the room, in particular from the outside air or from another room or an external air system. Furthermore, every second air outlet channel 7 or 8 can be connected to the heat exchanger and the air outlet channels lying between them can be connected to the room and / or outside air.

In allen oben angeführten Ausführungen kann der Wärmetauscher sich auch außerhalb des Gehäuses 2 befinden.In all of the above versions, the heat exchanger can also be located outside the housing 2.

Claims (13)

  1. Ceiling- or wall-mounted apparatus (1) for introducing air into a room, having a box-shaped housing (2) in which there is arranged a fan impellor which sucks in the room air or external air through a central air inlet (5) in the housing lower side (3) of the ceiling-mounted apparatus or of the housing front side (3) of the wall-mounted apparatus and delivers air, which is heated or cooled by a heat exchanger, to an air outlet ring (6) which is arranged at the edge of the housing lower side of the ceiling-mounted apparatus or of the housing front side of the wall-mounted apparatus and through which the air is discharged into the room, wherein the air inlet (5) is surrounded by the air outlet ring (6), which is divided into a plurality of air outlet ducts (7, 8) which are situated next to one another and which each guide the exiting air flow obliquely downwardly or forwardly in such a way that the total airflow exiting from the air outlet ring (6) enters the room in a helically widening manner, and
    - that each second air outlet duct (7) has an oblique air outlet angle other than the air outlet ducts (8) situated therebetween,
    characterized
    - in that the air outlet ducts (7, 8) are divided alternating with one another into ducts (8) optimized for warm air and into ducts (7) optimized for cool air,
    - in that the ducts (7) optimized for cool air are flatter and thus open with a smaller acute angle (α) into the housing lower side or front side (3) than the ducts (8) optimized for warm air having a larger acute angle (β).
  2. Ceiling- or wall-mounted apparatus according to Claim 1, characterized in that the ducts guiding the cool air and/or the ducts guiding the warm air have a larger width (B) than the other air outlet ducts (8 or 7).
  3. Ceiling- or wall-mounted apparatus according to Claim 1 or 2, characterized in that the outflow direction (H) of each air outlet duct (7, 8) lies in a plane (E1) which is parallel to the apparatus axis (A) and forms, with a plane (E2) extending through the apparatus axis and the air outlet (5), an angle (γ) of 20 to 60 degrees.
  4. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that closed regions (10) lie between the air outlet ducts (7, 8).
  5. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that in each case a duct (7) guiding cool air and a duct (8) guiding warm air are arranged next to one another in pairs, and a closed region (10) is arranged between each duct pair (7, 8).
  6. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that the air outlet ring (6) forming the air outlet ducts (7, 8) is covered on the inner or outer side by at least one, in particular annular or partially annular, displaceable cover (11) which has openings (12) and closed regions (13) as covering surfaces by which, selectively, all air outlet ducts (7, 8) or only air outlet ducts with the same warm or cool air and/or with the same air outlet angle are completely or partially opened.
  7. Ceiling- or wall-mounted apparatus according to Claim 6, characterized in that the openings (12) in the cover (11) have double the width of an air outlet duct (7, 8) or the width (B7 + B8) of two outlet ducts.
  8. Ceiling- or wall-mounted apparatus according to Claim 6 or 7, characterized in that there is, between the openings (12) in the cover (11), in each case a closed region (13) of at least the width of an air outlet duct (7, 8) for covering at least one air outlet duct.
  9. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that the cover (11) is divided into two or more segments which cover only individual regions of the air outlet ducts.
  10. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that the air outlet ring (6) divided into air outlet ducts (7, 8) is divided into rectilinear or bent portions which each have a plurality of air outlet ducts (7, 8).
  11. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that the central air inlet (5) has a filter.
  12. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that a condensate collection pan is arranged below the heat exchanger.
  13. Ceiling- or wall-mounted apparatus according to one of the preceding claims, characterized in that the housing lower side (3) has a circular or square or polygonal outer edge.
EP13002722.0A 2012-10-08 2013-05-25 Ceiling or wall-mounted apparatus for introducing cooled or heated air into a room Active EP2716990B1 (en)

Applications Claiming Priority (1)

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DE102012019710.1A DE102012019710A1 (en) 2012-10-08 2012-10-08 Ceiling or wall unit for introducing cooled or heated air into a room

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EP3109558B1 (en) * 2015-06-24 2019-12-04 Electrolux Appliances Aktiebolag Convection heating device for a cooking oven
EP4160097A3 (en) 2016-12-21 2023-07-05 Samsung Electronics Co., Ltd. Air conditioner
CN106871408B (en) * 2016-12-28 2019-12-31 青岛海尔空调器有限总公司 Air outlet structure of air conditioner
CN110500654A (en) * 2019-08-09 2019-11-26 海信（山东）空调有限公司 A kind of air-out component and air conditioner

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JPH06193957A (en) * 1992-10-26 1994-07-15 Carrier Corp Terminal structure for ventilation
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