EP2508815A1 - Device for influencing a flow of air in a component of an air conditioning assembly - Google Patents

Device for influencing a flow of air in a component of an air conditioning assembly Download PDF

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Publication number
EP2508815A1
EP2508815A1 EP11161712A EP11161712A EP2508815A1 EP 2508815 A1 EP2508815 A1 EP 2508815A1 EP 11161712 A EP11161712 A EP 11161712A EP 11161712 A EP11161712 A EP 11161712A EP 2508815 A1 EP2508815 A1 EP 2508815A1
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EP
European Patent Office
Prior art keywords
edge
projections
projection
downstream edge
course
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Granted
Application number
EP11161712A
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German (de)
French (fr)
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EP2508815B1 (en
Inventor
Daniel Leitner
Georg Schäfer
Willi Döring
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Gebrueder Trox GmbH
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Gebrueder Trox GmbH
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Priority to EP11161712.2A priority Critical patent/EP2508815B1/en
Priority to DK11161712.2T priority patent/DK2508815T3/en
Priority to ES11161712T priority patent/ES2788099T3/en
Publication of EP2508815A1 publication Critical patent/EP2508815A1/en
Application granted granted Critical
Publication of EP2508815B1 publication Critical patent/EP2508815B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the invention relates to a device for influencing an air flow in a component of an air-conditioning system, wherein the device comprises a surface element with at least one upstream and at least one downstream edge and wherein the surface element is arranged either stationary in the component or one parallel to the general extent the axis of the surface element or for the general extension of a portion of the plane of the surface element aligned axis is rotatably mounted in the component.
  • Passages such as swirl diffusers, usually have fixed fins, with two adjacent fins form an outlet opening between them.
  • the upstream edge and the downstream edge of each blade are formed in a straight line. Since such slats so far have a straight spoiler edge, there is a strong vortex formation, which in turn leads to a higher pressure loss and unwanted noise.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a device for influencing an air flow whose noise is lower.
  • At least one edge in particular at least one downstream edge, has an outer contour provided with projecting projections and recesses therebetween. Due to the outer contour consisting of projections and recesses, the device according to the invention thus no longer has a straight spoiler edge. Rather, many offset staggered edges are arranged offset from one another. This can only form correspondingly small vortices, which sometimes even cancel each other out. This reduces unwanted noise.
  • At least one projection and at least one recess may be the same. However, it is of course also possible that at least one recess have a different configuration than a projection.
  • the projection may be triangular, while the recess is formed flat in its deepest region.
  • the projections and the recesses of at least one edge may have a wave-shaped course.
  • the projections and the recesses of at least one edge may have a zigzag-shaped course.
  • both the projections and the depressions are formed approximately triangular.
  • the projections and the depressions of at least one edge can have a rectangular profile.
  • the corresponding edge is formed in the manner of a doctor blade.
  • the projections of at least one edge may have a uniform absolute orientation.
  • the projections and / or the recesses have a uniform orientation regardless of the actual course of the relevant edge. If the device is, for example, a lamellar blade with a round edge, all projections can face, for example, in the direction of flow. In such a round configuration, the projections then have a different configuration with respect to each other over the course of the edge.
  • the projections have at least one edge, in particular at least one downstream edge, a relative, directed to a point orientation. Again, the orientation of the projections is independent of the course of the relevant edge. All projections may be directed, for example, to a center or to the axis of symmetry. Even with such a regardssfrom have the projections of the respective edge on another embodiment.
  • the device can be designed as a damper blade.
  • a corresponding damper blade can be used for example in a fire damper, a volumetric flow controller, a throttle valve or the like.
  • a throttle valve When using the blade in a throttle valve remains the position of the damper blade unchanged.
  • the position of the damper blade changes, for example in a volumetric flow controller with changing air flow within the air conditioning system.
  • the device can also be designed as a lamella, in particular as a fixed lamella, of a passage, in particular of a swirl passage.
  • a passage may be an outlet or an inlet.
  • At least one recess and / or a projection can be formed rounded transversely to the course of the entire edge.
  • the height H of at least one projection is, seen at the lowest point of the adjacent recess, between 0.5 mm and 10 mm, preferably between 1 mm and 5 mm.
  • the height H refers to the distance from the highest point of the projection to the lowest point of the adjacent recess.
  • the width B of at least one projection is between 1 mm and 8 mm, preferably between 2 mm and 4 mm.
  • the width B refers to the distance between the vertices of two adjacent protrusions and the center distance of two adjacent protrusions.
  • the device is a louver of a passage, 20 to 30 projections per 100 mm of length are available at the edge. In the embodiment of the device as a damper blade are preferably 25 to 40 projections per 100 mm length at edge advantageous.
  • the dimensions of the projections may vary over the course of an edge, preferably in the case of passages, or continuously, preferably in the case of flaps.
  • a swirl diffuser 1 which has curved lamellae as devices 2 for influencing an air flow (arrow 3). Between two adjacent slats outlet openings 4 are provided, through which the air flows in the direction of the arrow 3 in the space to be ventilated.
  • Each lamella consists of a surface element with an upstream edge 5 and with a downstream edge 6.
  • the inflow-side edge 5 of each blade is formed in a straight line.
  • downstream edge 6 has an outer contour provided with projecting projections 7 and recesses 8 located therebetween. In the illustrated embodiment, the downstream edge 6 has an approximately wave-shaped course.
  • the flowing air is shown by the arrows 3.
  • the edge has no rectilinear tear-off edge. This form at most small vortex rolls, which sometimes even cancel each other.
  • the recesses 8 and projections 7 may of course be rounded transversely to the course of the entire edge.
  • Fig. 4 is an air guide element with a total of three devices 2 for influencing an air flow in one Component of an air conditioning system shown.
  • a component is a slot passage in the present case.
  • the air guide is rotatably mounted about the axis R in the slot passage, not shown.
  • the downstream edges 6 are provided with protruding projections 7 and recesses 8 located therebetween, wherein the projections 7 and the recesses 8 have a zigzag-shaped course.
  • each damper blade is provided in the Fig. 5 to 12 regulators, wherein as device 2 in each regulator a damper blade is provided.
  • the Fig. 5 to 8 affect a rectangular and the Fig. 9 to 12 a round knob.
  • Each damper blade is rotatably mounted in the controller about an axis D oriented transversely to the flow direction 3.
  • the downstream edge 6 has an outer contour provided with protruding projections 7 and recesses 8 located therebetween.
  • the upstream edge 5 is rectilinear.
  • Both the inflow-side edge 5 and the outflow-side edge 6 have protrusions 7 and recesses 8 located therebetween.
  • the projections 7 and the recesses 8 in an approximately zigzag-shaped course, the shape and dimensions of the projections 7 and the recesses 8 are the same.
  • the shape and dimensions of the projections 7 and the recesses 8 are not equal.
  • the projections 7 have a uniform absolute orientation, wherein in the illustrated embodiment, the orientation is parallel to the flow direction (arrow 3).
  • the height of the projections 7 increases from the center M of each edge to the two stub shafts 9, which are provided for storage.
  • the height H refers to the distance from the highest point of a projection 7 to the lowest point of the adjacent recess 8.
  • the width B refers to the distance between the vertices of two adjacent projections 7 and the center distance of two adjacent projections. 7
  • the device 2 is a louver of a passage (for example Fig. 1 ), 20 to 30 projections per 100 mm in length at edge 5, 6 offer.
  • the device 2 as a damper blade of a controller ((for example Fig. 5 ) are preferably 25 to 40 protrusions per 100 mm in length at edge 5, 6 advantageous.
  • the dimensions of the projections 7 vary in the embodiment, for example Fig. 10 over the course the edge 6, while the dimensions of the projections 7 in the embodiment, for example after Fig. 8 are continuous over the course of the respective edge 5, 6.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The device (2) has a planar element with upstream sides and downstream side edges (5, 6) and fixedly arranged in a swirl orifice (1). The planar element is mounted parallel to extension of a plane of the planar element or extension of a portion of the plane of the planar element in the swirl orifice rotated around an oriented axis. One of the downstream side edges includes an outer contour with protruding projections (7) and intermediate recesses (8), where the projections include a wave-shaped course and width at range of 2-4 mm.

Description

Die Erfindung betrifft eine Einrichtung zur Beeinflussung einer Luftströmung in einer Komponente einer klimatechnischen Anlage, wobei die Einrichtung ein Flächenelement mit zumindest einer anströmseitigen und zumindest mit einer abströmseitigen Kante umfasst und wobei das Flächenelement entweder ortsfest in der Komponente angeordnet ist oder um eine parallel zur generellen Erstreckung der Ebene des Flächenelementes bzw. zur generellen Erstreckung eines Teilbereichs der Ebene des Flächenelementes ausgerichtete Achse drehbar in der Komponente gelagert ist.The invention relates to a device for influencing an air flow in a component of an air-conditioning system, wherein the device comprises a surface element with at least one upstream and at least one downstream edge and wherein the surface element is arranged either stationary in the component or one parallel to the general extent the axis of the surface element or for the general extension of a portion of the plane of the surface element aligned axis is rotatably mounted in the component.

Durchlässe, wie beispielsweise Dralldurchlässe, weisen üblicherweise feststehende Lamellen auf, wobei zwei benachbarte Lamellen zwischen sich eine Auslassöffnung bilden. Die anströmseitige Kante und die abströmseitige Kante jeder Lamelle sind geradlinig ausgebildet. Da derartige Lamellen insoweit eine gerade Abrisskante aufweisen, kommt es zu einer starken Wirbelbildung, was wiederum zu einem höheren Druckverlust sowie einer unerwünschten Geräuschbildung führt.Passages, such as swirl diffusers, usually have fixed fins, with two adjacent fins form an outlet opening between them. The upstream edge and the downstream edge of each blade are formed in a straight line. Since such slats so far have a straight spoiler edge, there is a strong vortex formation, which in turn leads to a higher pressure loss and unwanted noise.

Aufgabe der Erfindung ist es, die vorgenannten Nachteile zu vermeiden und eine Einrichtung zur Beeinflussung einer Luftströmung anzugeben, deren Geräuschentwicklung geringer ist.The object of the invention is to avoid the aforementioned disadvantages and to provide a device for influencing an air flow whose noise is lower.

Diese Aufgabe wird dadurch gelöst, dass zumindest eine Kante, insbesondere zumindest eine abströmseitige Kante, eine mit vorstehenden Vorsprüngen und dazwischenliegenden Vertiefungen versehene Außenkontur aufweist. Aufgrund der aus Vorsprüngen und Vertiefungen bestehenden Außenkontur weist die erfindungsgemäße Einrichtung damit keine gerade Abrisskante mehr auf. Vielmehr entstehen viele versetzt zueinander angeordnete kurze Abrisskanten. Damit können sich lediglich entsprechend kleine Wirbel bilden, die sich teilweise sogar gegenseitig aufheben. Damit wird die unerwünschte Geräuschbildung reduziert.This object is achieved in that at least one edge, in particular at least one downstream edge, has an outer contour provided with projecting projections and recesses therebetween. Due to the outer contour consisting of projections and recesses, the device according to the invention thus no longer has a straight spoiler edge. Rather, many offset staggered edges are arranged offset from one another. This can only form correspondingly small vortices, which sometimes even cancel each other out. This reduces unwanted noise.

Die Form und die Abmessungen wenigstens eines Vorsprungs und zumindest einer Vertiefung können gleich sein. Es ist aber auch selbstverständlich möglich, dass zumindest eine Vertiefung eine andere Ausgestaltung als ein Vorsprung aufweisen. So kann beispielsweise der Vorsprung dreieckförmig ausgebildet sein, während die Vertiefung in ihrem tiefsten Bereich flach ausgebildet ist.The shape and dimensions of at least one projection and at least one recess may be the same. However, it is of course also possible that at least one recess have a different configuration than a projection. For example, the projection may be triangular, while the recess is formed flat in its deepest region.

Die Vorsprünge sowie die Vertiefungen zumindest einer Kante, insbesondere zumindest einer abströmseitigen Kante, können einen wellenförmigen Verlauf aufweisen.The projections and the recesses of at least one edge, in particular at least one downstream edge, may have a wave-shaped course.

Die Vorsprünge sowie die Vertiefungen zumindest einer Kante, insbesondere zumindest einer abströmseitigen Kante, können einen zick-zack-förmigen Verlauf aufweisen. Bei einer solchen Ausgestaltung sind sowohl die Vorsprünge als auch die Vertiefungen in etwa dreieckförmig ausgebildet.The projections and the recesses of at least one edge, in particular at least one downstream edge, may have a zigzag-shaped course. In such an embodiment, both the projections and the depressions are formed approximately triangular.

Die Vorsprünge sowie die Vertiefungen zumindest einer Kante, insbesondere zumindest einer abströmseitigen Kante, können einen rechteckförmigen Verlauf aufweisen. Bei einer solchen Ausgestaltung ist die entsprechende Kante nach Art eines Rakels ausgebildet.The projections and the depressions of at least one edge, in particular at least one downstream edge, can have a rectangular profile. In such an embodiment, the corresponding edge is formed in the manner of a doctor blade.

Die Vorsprünge zumindest einer Kante, insbesondere zumindest einer abströmseitigen Kante, können eine einheitliche absolute Ausrichtung aufweisen. Damit weisen die Vorsprünge und/oder die Vertiefungen eine einheitliche Ausrichtung unabhängig von dem tatsächlichen Verlauf der betreffenden Kante auf. Handelt es sich bei der Einrichtung beispielsweise um ein Lamellenblatt mit einer runden Kante, können alle Vorsprünge beispielsweise in Strömungsrichtung weisen. Bei einer solchen runden Ausgestaltung weisen die Vorsprünge untereinander dann über den Verlauf der Kante gesehen eine unterschiedliche Ausgestaltung auf.The projections of at least one edge, in particular at least one downstream edge, may have a uniform absolute orientation. Thus, the projections and / or the recesses have a uniform orientation regardless of the actual course of the relevant edge. If the device is, for example, a lamellar blade with a round edge, all projections can face, for example, in the direction of flow. In such a round configuration, the projections then have a different configuration with respect to each other over the course of the edge.

Es ist aber auch durchaus möglich, dass die Vorsprünge zumindest einer Kante, insbesondere zumindest einer abströmseitigen Kante, eine relative, auf einen Punkt gerichtete Ausrichtung aufweisen. Auch hier ist die Ausrichtung der Vorsprünge unabhängig von dem Verlauf der betreffenden Kante. Alle Vorsprünge können beispielsweise auf einen Mittelpunkt oder aber auf die Symmetrieachse gerichtet sein. Auch bei einer solchen Ausführungsfrom weisen die Vorsprünge der betreffenden Kante eine andere Ausgestaltung auf.But it is also quite possible that the projections have at least one edge, in particular at least one downstream edge, a relative, directed to a point orientation. Again, the orientation of the projections is independent of the course of the relevant edge. All projections may be directed, for example, to a center or to the axis of symmetry. Even with such a Ausführungsfrom have the projections of the respective edge on another embodiment.

Die Einrichtung kann als Klappenblatt ausgebildet sein. Ein entsprechendes Klappenblatt kann beispielsweise in einer Brandschutzklappe, einem Volumenstromregler, einer Drosselklappe oder dergleichen eingesetzt sein. Bei Verwendung des Lamellenblattes in einer Drosselklappe bleibt die Stellung des Klappenblattes unverändert. Demgegenüber verändert sich die Stellung des Klappenblattes beispielsweise in einem Volumenstromregler bei wechselnder Luftströmung innerhalb der klimatechnischen Anlage.The device can be designed as a damper blade. A corresponding damper blade can be used for example in a fire damper, a volumetric flow controller, a throttle valve or the like. When using the blade in a throttle valve remains the position of the damper blade unchanged. In contrast, the position of the damper blade changes, for example in a volumetric flow controller with changing air flow within the air conditioning system.

Die Einrichtung kann auch als Lamelle, insbesondere als feststehende Lamelle, eines Durchlasses, insbesondere eines Dralldurchlasses, ausgebildet sein. Bei einem solchen Durchlass kann es sich um einen Auslass oder einen Einlass handeln.The device can also be designed as a lamella, in particular as a fixed lamella, of a passage, in particular of a swirl passage. Such a passage may be an outlet or an inlet.

Zur weiteren Reduzierung von Geräuschen kann zumindest eine Vertiefung und/oder ein Vorsprung quer zum Verlauf der gesamten Kante abgerundet ausgebildet sein.To further reduce noise, at least one recess and / or a projection can be formed rounded transversely to the course of the entire edge.

Die Höhe H zumindest eines Vorsprungs beträgt zum tiefsten Punkt der benachbarten Vertiefung gesehen zwischen 0,5 mm und 10 mm, vorzugsweise zwischen 1 mm und 5 mm. Die Höhe H bezieht sich auf den Abstand vom höchsten Punkt des Vorsprungs bis zum tiefsten Punkt der benachbarten Vertiefung.The height H of at least one projection is, seen at the lowest point of the adjacent recess, between 0.5 mm and 10 mm, preferably between 1 mm and 5 mm. The height H refers to the distance from the highest point of the projection to the lowest point of the adjacent recess.

Die Breite B zumindest eines Vorsprungs beträgt zwischen 1 mm und 8 mm, vorzugsweise zwischen 2 mm und 4 mm. Die Breite B bezieht sich auf den Abstand der Scheitelpunkte zweier benachbarter Vorsprünge bzw. den Mittenabstand zweier benachbarter Vorsprünge.The width B of at least one projection is between 1 mm and 8 mm, preferably between 2 mm and 4 mm. The width B refers to the distance between the vertices of two adjacent protrusions and the center distance of two adjacent protrusions.

Vorzugweise sind 10 bis 50 Vorsprünge pro 100 mm Länge an Kante vorgesehen. Handelt es sich bei der Einrichtung um eine Lamelle eines Durchlasses, bieten sich 20 bis 30 Vorsprünge pro 100 mm Länge an Kante an. Bei Ausgestaltung der Einrichtung als Klappenblatt sind vorzugsweise 25 bis 40 Vorsprünge pro 100 mm Länge an Kante vorteilhaft.Preferably, 10 to 50 protrusions are provided per 100 mm of edge length. If the device is a louver of a passage, 20 to 30 projections per 100 mm of length are available at the edge. In the embodiment of the device as a damper blade are preferably 25 to 40 projections per 100 mm length at edge advantageous.

Die Abmessungen der Vorsprünge können über den Verlauf einer Kante variieren, vorzugsweise bei Durchlässen, oder stetig, vorzugsweise bei Klappen, sein.The dimensions of the projections may vary over the course of an edge, preferably in the case of passages, or continuously, preferably in the case of flaps.

Im Folgenden werden in den Zeichnungen dargestellte Ausführungsbeispiele der Erfindung erläutert. Es zeigen:

Fig. 1
eine Draufsicht auf einen Drallauslass,
Fig. 2
ein Detail aus Fig. 1,
Fig. 3
eine erfindungsgemäße Einrichtung im Detail,
Fig. 4
eine erfindungsgemäße Einrichtung für Schlitzdurchlässe mit gezahnten Abströmkanten,
Fig. 5
einen Volumenstromregler mit einem rechteckigen, einseitig gezackten Klappenblatt,
Fig. 6
das Klappenblatt aus Fig. 5,
Fig. 7
einen Volumenstromregler mit einem rechteckigen, beidseitig gezackten Klappenblatt,
Fig. 8
das Klappenblatt nach Fig. 7,
Fig. 9
einen Volumenstromregler mit einem runden, einseitig gezackten Klappenblatt,
Fig. 10
das Klappenblatt nach Fig. 9,
Fig. 11
einen Volumenstromregler mit einem runden, beidseitig gezackten Klappenblatt und
Fig. 12
das Klappenblatt nach Fig. 11.
Embodiments of the invention illustrated in the drawings are explained below. Show it:
Fig. 1
a top view of a twist outlet,
Fig. 2
a detail from Fig. 1 .
Fig. 3
a device according to the invention in detail,
Fig. 4
an inventive device for slot passages with toothed trailing edges,
Fig. 5
a volumetric flow regulator with a rectangular, one-sided jagged damper blade,
Fig. 6
the damper blade off Fig. 5 .
Fig. 7
a volume flow regulator with a rectangular, double-sided serrated damper blade,
Fig. 8
the damper blade behind Fig. 7 .
Fig. 9
a volumetric flow regulator with a round, one-sided jagged damper blade,
Fig. 10
the damper blade behind Fig. 9 .
Fig. 11
a volume flow regulator with a round, double-sided serrated damper blade and
Fig. 12
the damper blade behind Fig. 11 ,

In allen Figuren werden für gleiche bzw. gleichartige Bauteile übereinstimmende Bezugszeichen verwendet.In all figures the same reference numerals are used for identical or similar components.

In Fig. 1 ist ein Dralldurchlass 1 dargestellt, der als Einrichtungen 2 zur Beeinflussung einer Luftströmung (Pfeil 3) geschwungen ausgebildete Lamellen aufweist. Zwischen zwei benachbarten Lamellen sind Auslassöffnungen 4 vorgesehen, durch die die Luft in Richtung des Pfeils 3 in den zu belüftenden Raum strömt. Jede Lamelle besteht aus einem Flächenelement mit einer anströmseitigen Kante 5 und mit einer abströmseitigen Kante 6.In Fig. 1 a swirl diffuser 1 is shown, which has curved lamellae as devices 2 for influencing an air flow (arrow 3). Between two adjacent slats outlet openings 4 are provided, through which the air flows in the direction of the arrow 3 in the space to be ventilated. Each lamella consists of a surface element with an upstream edge 5 and with a downstream edge 6.

Wie insbesondere den Fig. 2 und 3 zu entnehmen ist, ist die anströmseitige Kante 5 jeder Lamelle geradlinig ausgebildet.As in particular the Fig. 2 and 3 can be seen, the inflow-side edge 5 of each blade is formed in a straight line.

Demgegenüber weist die abströmseitige Kante 6 eine mit vorstehenden Vorsprüngen 7 und dazwischen liegenden Vertiefungen 8 versehene Außenkontur auf. In dem dargestellten Ausführungsbeispiel weist die abströmseitige Kante 6 einen in etwa wellenförmigen Verlauf auf.In contrast, the downstream edge 6 has an outer contour provided with projecting projections 7 and recesses 8 located therebetween. In the illustrated embodiment, the downstream edge 6 has an approximately wave-shaped course.

Die strömende Luft ist durch die Pfeile 3 dargestellt. Infolge des wellenförmigen Verlaufs der abströmseitigen Kante 6 hat die Kante keine geradlinige Abrisskante. Damit bilden sich allenfalls kleine Wirbelwalzen, die sich teilweise sogar selbst gegeneinander aufheben. Die Vertiefungen 8 und Vorsprünge 7 können selbstverständlich quer zum Verlauf der gesamten Kante abgerundet sein.The flowing air is shown by the arrows 3. As a result of the wave-shaped course of the downstream edge 6, the edge has no rectilinear tear-off edge. This form at most small vortex rolls, which sometimes even cancel each other. The recesses 8 and projections 7 may of course be rounded transversely to the course of the entire edge.

In Fig. 4 ist ein Luftleitelement mit insgesamt drei Einrichtungen 2 zur Beeinflussung einer Luftströmung in einer Komponente einer klimatechnischen Anlage dargestellt. Bei einer solchen Komponente handelt es sich in dem vorliegenden Fall um einen Schlitzdurchlass. Das Luftleitelement ist drehbar um die Achse R in dem nicht dargestellten Schlitzdurchlass gelagert. Wie Fig. 4 zu entnehmen ist, sind die abströmseitigen Kanten 6 mit vorstehenden Vorsprüngen 7 und dazwischen liegenden Vertiefungen 8 versehen, wobei die Vorsprünge 7 sowie die Vertiefungen 8 einen zick-zack-förmigen Verlauf aufweisen.In Fig. 4 is an air guide element with a total of three devices 2 for influencing an air flow in one Component of an air conditioning system shown. Such a component is a slot passage in the present case. The air guide is rotatably mounted about the axis R in the slot passage, not shown. As Fig. 4 can be seen, the downstream edges 6 are provided with protruding projections 7 and recesses 8 located therebetween, wherein the projections 7 and the recesses 8 have a zigzag-shaped course.

In den Fig. 5 bis 12 sind Regler dargestellt, wobei als Einrichtung 2 in jedem Regler ein Klappenblatt vorgesehen ist. Die Fig. 5 bis 8 betreffen einen rechteckigen und die Fig. 9 bis 12 einen runden Regler. Jedes Klappenblatt ist um eine quer zur Strömungsrichtung 3 ausgerichtete Achse D drehbar in dem Regler gelagert.In the Fig. 5 to 12 regulators are shown, wherein as device 2 in each regulator a damper blade is provided. The Fig. 5 to 8 affect a rectangular and the Fig. 9 to 12 a round knob. Each damper blade is rotatably mounted in the controller about an axis D oriented transversely to the flow direction 3.

Bei den Ausführungsbeispielen nach den Fig. 5 und 9 weist lediglich die abströmseitige Kante 6 eine mit vorstehenden Vorsprüngen 7 und dazwischen liegenden Vertiefungen 8 versehene Außenkontur auf. Die anströmseitige Kante 5 ist geradlinig ausgebildet.In the embodiments of the Fig. 5 and 9 For example, only the downstream edge 6 has an outer contour provided with protruding projections 7 and recesses 8 located therebetween. The upstream edge 5 is rectilinear.

Bei den Ausführungsbeispielen nach den Fig. 7 und 11 weisen sowohl die anströmseitige Kante 5 als auch die abströmseitige Kante 6 Vorsprünge 7 und dazwischen liegende Vertiefungen 8 auf.In the embodiments of the Fig. 7 and 11 Both the inflow-side edge 5 and the outflow-side edge 6 have protrusions 7 and recesses 8 located therebetween.

Wie den Fig. 6 und 8 zu entnehmen ist, weisen die Vorsprünge 7 sowie die Vertiefungen 8 einen in etwa zick-zack-förmigen Verlauf auf, wobei die Form und die Abmessungen der Vorsprünge 7 und der Vertiefungen 8 gleich sind.Like that Fig. 6 and 8th can be seen, the projections 7 and the recesses 8 in an approximately zigzag-shaped course, the shape and dimensions of the projections 7 and the recesses 8 are the same.

Bei den runden Ausführungsformen der Klappenblätter nach den Fig. 10 und 12 sind die Form und die Abmessungen der Vorsprünge 7 und der Vertiefungen 8 nicht gleich. So weisen die Vorsprünge 7 eine einheitliche absolute Ausrichtung auf, wobei in dem dargestellten Ausführungsbeispiel die Ausrichtung parallel zur Strömungsrichtung (Pfeil 3) ist.In the round embodiments of the damper blades after the Fig. 10 and 12 the shape and dimensions of the projections 7 and the recesses 8 are not equal. Thus, the projections 7 have a uniform absolute orientation, wherein in the illustrated embodiment, the orientation is parallel to the flow direction (arrow 3).

Infolge dessen vergrößert sich die Höhe der Vorsprünge 7 von der Mitte M jeder Kante zu den beiden Achsstummeln 9 hin, die zur Lagerung vorgesehen sind.As a result, the height of the projections 7 increases from the center M of each edge to the two stub shafts 9, which are provided for storage.

In den Fig. 6, 8 und 10 ist beispielshaft die Höhe H der Vorsprünge 7, die zum tiefsten Punkt der benachbarten Vertiefung 8 gesehen zwischen 0,5 mm und 10 mm, beträgt, eingezeichnet. Die Höhe H bezieht sich auf den Abstand vom höchsten Punkt eines Vorsprungs 7 bis zum tiefsten Punkt der benachbarten Vertiefung 8.In the Fig. 6 . 8th and 10 is, for example, the height H of the projections 7, which is seen to the lowest point of the adjacent recess 8 between 0.5 mm and 10 mm, located. The height H refers to the distance from the highest point of a projection 7 to the lowest point of the adjacent recess 8.

Auch ist in den Fig. 6, 8 und 10 beispielshaft die Breite B eines Vorsprungs 7, die zwischen 1 mm und 8 mm beträgt, eingezeichnet. Die Breite B bezieht sich auf den Abstand der Scheitelpunkte zweier benachbarter Vorsprünge 7 bzw. den Mittenabstand zweier benachbarter Vorsprünge 7.Also in the Fig. 6 . 8th and 10 For example, the width B of a projection 7, which is between 1 mm and 8 mm, drawn. The width B refers to the distance between the vertices of two adjacent projections 7 and the center distance of two adjacent projections. 7

Handelt es sich bei der Einrichtung 2 um eine Lamelle eines Durchlasses (beispielsweise Fig. 1), bieten sich 20 bis 30 Vorsprünge pro 100 mm Länge an Kante 5, 6 an. Bei Ausgestaltung der Einrichtung 2 als Klappenblatt eines Reglers ((beispielsweise Fig. 5) sind vorzugsweise 25 bis 40 Vorsprünge pro 100 mm Länge an Kante 5, 6 vorteilhaft.If the device 2 is a louver of a passage (for example Fig. 1 ), 20 to 30 projections per 100 mm in length at edge 5, 6 offer. In embodiment of the device 2 as a damper blade of a controller ((for example Fig. 5 ) are preferably 25 to 40 protrusions per 100 mm in length at edge 5, 6 advantageous.

Die Abmessungen der Vorsprünge 7 variieren bei dem Ausführungsbeispiel beispielsweise nach Fig. 10 über den Verlauf der Kante 6, während die Abmessungen der Vorsprünge 7 bei dem Ausführungsbeispiel beispielsweise nach Fig. 8 über den Verlauf der jeweiligen Kante 5, 6 stetig sind.The dimensions of the projections 7 vary in the embodiment, for example Fig. 10 over the course the edge 6, while the dimensions of the projections 7 in the embodiment, for example after Fig. 8 are continuous over the course of the respective edge 5, 6.

Claims (13)

Einrichtung (2) zur Beeinflussung einer Luftströmung (3) in einer Komponente (1) einer klimatechnischen Anlage, wobei die Einrichtung (2) ein Flächenelement mit zumindest einer anströmseitigen und zumindest mit einer abströmseitigen Kante (5, 6) umfasst und wobei das Flächenelement entweder ortsfest in der Komponente (1) angeordnet ist oder um eine parallel zur generellen Erstreckung der Ebene des Flächenelementes bzw. zur generellen Erstreckung eines Teilbereichs der Ebene des Flächenelementes ausgerichtete Achse (R, D) drehbar in der Komponente (1) gelagert ist, dadurch gekennzeichnet, dass zumindest eine Kante (5, 6), insbesondere zumindest eine abströmseitige Kante (6), eine mit vorstehenden Vorsprüngen (7) und dazwischenliegenden Vertiefungen (8) versehene Außenkontur aufweist.Device (2) for influencing an air flow (3) in a component (1) of an air-conditioning system, wherein the device (2) comprises a surface element with at least one upstream and at least one downstream edge (5, 6) and wherein the surface element either is stationary in the component (1) is arranged or about a parallel to the general extent of the plane of the surface element or for the general extent of a portion of the plane of the surface element aligned axis (R, D) is rotatably mounted in the component (1), characterized in that at least one edge (5, 6), in particular at least one downstream edge (6), has an outer contour provided with projecting projections (7) and depressions (8) lying therebetween. Einrichtung (2) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Form und die Abmessungen wenigstens eines Vorsprungs (7) und zumindest einer Vertiefung (8) gleich sind.Device (2) according to the preceding claim, characterized in that the shape and dimensions of at least one projection (7) and at least one recess (8) are equal. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (7) sowie die Vertiefungen (8) zumindest einer Kante (5, 6), insbesondere zumindest einer abströmseitigen Kante (6), einen wellenförmigen Verlauf aufweisen.Device (2) according to one of the preceding claims, characterized in that the projections (7) and the depressions (8) at least one edge (5, 6), in particular at least one downstream edge (6), have a wave-shaped course. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (7) sowie die Vertiefungen (8) zumindest einer Kante (5, 6), insbesondere zumindest einer abströmseitigen Kante (6), einen zick-zack-förmigen Verlauf aufweisen.Device (2) according to one of the preceding claims, characterized in that the projections (7) and the depressions (8) at least one edge (5, 6), in particular at least one downstream edge (6), a zigzag-shaped course exhibit. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (7) sowie die Vertiefungen (8) zumindest einer Kante (5, 6), insbesondere zumindest einer abströmseitigen Kante (6), einen rechteckförmigen Verlauf aufweisen.Device (2) according to one of the preceding claims, characterized in that the projections (7) and the recesses (8) at least one edge (5, 6), in particular at least one downstream edge (6), have a rectangular course. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (7) zumindest einer Kante (5, 6), insbesondere zumindest einer abströmseitigen Kante (6), eine einheitliche absolute Ausrichtung aufweisen.Device (2) according to one of the preceding claims, characterized in that the projections (7) at least one edge (5, 6), in particular at least one downstream edge (6), have a uniform absolute orientation. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorsprünge (7) zumindest einer Kante (5, 6), insbesondere zumindest einer abströmseitigen Kante (6), eine relative, auf einen Punkt gerichtete Ausrichtung aufweisen.Device (2) according to one of the preceding claims, characterized in that the projections (7) have at least one edge (5, 6), in particular at least one downstream edge (6), a relative, directed to a point orientation. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einrichtung (2) als Klappenblatt ausgebildet ist.Device (2) according to one of the preceding claims, characterized in that the device (2) is designed as a damper blade. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einrichtung (2) als Lamelle, insbesondere als feststehende Lamelle, eines Durchlasses, insbesondere eines Dralldurchlasses (1), ausgebildet ist.Device (2) according to one of the preceding claims, characterized in that the device (2) as a lamella, in particular as a fixed lamella, a passage, in particular a swirl passage (1) is formed. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine Vertiefung (8) und/oder ein Vorsprung (7) quer zum Verlauf der gesamten Kante (5, 6) abgerundet ausgebildet ist.Device (2) according to one of the preceding claims, characterized in that at least one recess (8) and / or a projection (7) is formed transversely to the course of the entire edge (5, 6) rounded. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Höhe H zumindest eines Vorsprungs (7) zum tiefsten Punkt der benachbarten Vertiefung (8) gesehen zwischen 0,5 mm und 10 mm, vorzugsweise zwischen 1 mm und 5 mm, beträgt.Device (2) according to one of the preceding claims, characterized in that the height H of at least one projection (7) to the lowest point of the adjacent recess (8) seen between 0.5 mm and 10 mm, preferably between 1 mm and 5 mm, is. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Breite B zumindest eines Vorsprungs (7) zwischen 1 mm und 8 mm, vorzugsweise zwischen 2 mm und 4 mm, beträgt.Device (2) according to one of the preceding claims, characterized in that the width B of at least one projection (7) is between 1 mm and 8 mm, preferably between 2 mm and 4 mm. Einrichtung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass vorzugweise 10 bis 50 Vorsprünge (7) pro 100 mm Länge an Kante (5, 6) vorgesehen sind.Device (2) according to one of the preceding claims, characterized in that preferably 10 to 50 projections (7) are provided per 100 mm length at edge (5, 6).
EP11161712.2A 2011-04-08 2011-04-08 Device for influencing a flow of air in a component of an air conditioning assembly Active EP2508815B1 (en)

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EP11161712.2A EP2508815B1 (en) 2011-04-08 2011-04-08 Device for influencing a flow of air in a component of an air conditioning assembly
DK11161712.2T DK2508815T3 (en) 2011-04-08 2011-04-08 Device for influencing an air flow in a component of a climate engineering system
ES11161712T ES2788099T3 (en) 2011-04-08 2011-04-08 Device for influencing an air flow in a component of an air conditioning installation

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CN105953309A (en) * 2016-05-30 2016-09-21 重庆大学 Special fan-coil unit for plateau
CN107420984A (en) * 2017-06-23 2017-12-01 青岛海尔空调器有限总公司 The method of indoor apparatus of air conditioner and determination indoor set pendulum leaf with pendulum leaf
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EP3992539A3 (en) * 2020-11-02 2022-08-17 Monodraught Limited Ventilation apparatuses
US11435111B2 (en) 2019-03-11 2022-09-06 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blades for round and rectangular ceiling diffuser
US11441811B2 (en) 2019-03-11 2022-09-13 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blade for plenum slot diffuser
US11448418B2 (en) 2019-03-11 2022-09-20 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blades for linear bar diffuser
US11448420B2 (en) 2018-01-17 2022-09-20 Johnson Controls, Inc. Air duct damper
USD1014731S1 (en) 2019-01-17 2024-02-13 Johnson Controls Tyco IP Holdings LLP Damper
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Cited By (18)

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Publication number Priority date Publication date Assignee Title
CN105953309A (en) * 2016-05-30 2016-09-21 重庆大学 Special fan-coil unit for plateau
EP3409994A1 (en) * 2017-06-02 2018-12-05 Zehnder Group International AG Pipe insert and system with pipe insert
WO2018220604A1 (en) * 2017-06-02 2018-12-06 Zehnder Group International Ag Pipe insert and system with pipe insert
CN107420984A (en) * 2017-06-23 2017-12-01 青岛海尔空调器有限总公司 The method of indoor apparatus of air conditioner and determination indoor set pendulum leaf with pendulum leaf
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US11448420B2 (en) 2018-01-17 2022-09-20 Johnson Controls, Inc. Air duct damper
US10768031B2 (en) 2018-01-17 2020-09-08 Johnson Controls, Inc. Air duct airflow sensor
CN112136008A (en) * 2018-01-17 2020-12-25 江森自控股份有限公司 Air brake
WO2019143863A1 (en) * 2018-01-17 2019-07-25 Johnson Controls, Inc. Air damper
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US12000721B2 (en) 2018-01-17 2024-06-04 Tyco Fire & Security Gmbh Air duct airflow sensor with internal low-pressure detector
US12025335B2 (en) 2018-01-17 2024-07-02 Johnson Controls, Inc. Air duct damper
US12038185B2 (en) 2018-01-17 2024-07-16 Tyco Fire & Security Gmbh Air duct assembly with field accessible ports in communication with a pressure source and pressure sensing ports in communication with a pressure sensor
USD1014731S1 (en) 2019-01-17 2024-02-13 Johnson Controls Tyco IP Holdings LLP Damper
US11435111B2 (en) 2019-03-11 2022-09-06 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blades for round and rectangular ceiling diffuser
US11441811B2 (en) 2019-03-11 2022-09-13 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blade for plenum slot diffuser
US11448418B2 (en) 2019-03-11 2022-09-20 Air Distribution Technologies Ip, Llc Undulated surface enhancement of diffuser blades for linear bar diffuser
EP3992539A3 (en) * 2020-11-02 2022-08-17 Monodraught Limited Ventilation apparatuses

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DK2508815T3 (en) 2020-05-11
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