EP2322867A1 - Diffuser, in particular ceiling diffuser for ventilating rooms - Google Patents
Diffuser, in particular ceiling diffuser for ventilating rooms Download PDFInfo
- Publication number
- EP2322867A1 EP2322867A1 EP09014086A EP09014086A EP2322867A1 EP 2322867 A1 EP2322867 A1 EP 2322867A1 EP 09014086 A EP09014086 A EP 09014086A EP 09014086 A EP09014086 A EP 09014086A EP 2322867 A1 EP2322867 A1 EP 2322867A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- passage
- outlet
- openings
- perforation
- air guide
- 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
Links
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- 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
Definitions
- the invention relates to an outlet, in particular twist outlet, for ventilation of rooms, with a housing having a Zu Kunststoffstutzen and an outlet opening forming, in particular quadrangular, front passage, wherein in the front passage a plurality of passage openings are provided and the front passage upstream of each passage opening of the comprising respective passage opening, in particular as a blade or swirl blade, formed air guide element.
- Outlets in particular swirl outlets, are usually arranged in or below ceilings and are connected by means of Zu Kunststoffstutzens to a ventilation system.
- twist outlets the air is introduced into the space to be ventilated by the radial arrangement of the swirl blades. This room air is induced. It proves to be a disadvantage that, with the flow velocity and predetermined flow direction unchanged, via the provided passage openings, only a limited amount of air can be introduced into the space to be ventilated.
- At least one air guiding element may comprise a multiplicity of outlet openings in at least one subregion by means of a perforation provided there, the free cross sectional area of each such outlet opening of the perforation being substantially smaller than the cross sectional area of a passage opening.
- the air guide element either over its entire Surface or at least over a portion of a plurality of outlet openings. This raises another speed profile at the free space of the air guide element facing the space to be ventilated, due to a smaller pressure difference between the inflow and outflow side of the air guide element, so that the velocity profile is wider but the exit speed is lower in its maximum.
- This can either be the same volume flow amount, however, introduced with a lower pressure drop and a lower noise in the room.
- the outlet over a larger variable volume flow range can be used.
- the front passage may center a sub-area without passage openings and air guide elements, said central portion of the front passage in at least a partial area by a perforation there provided a plurality of outlet openings, wherein the free cross-sectional area of each such outlet opening of the perforation is substantially smaller than the cross-sectional area of a passage opening ,
- the front passage may comprise on the outside a partial area without passage openings and air guide elements, wherein this outer edge region of the front passage in at least one subregion comprises a plurality of outlet openings through a perforation provided there, the free cross-sectional area of each such outlet opening of the perforation being substantially smaller than the cross-sectional area of a passage opening.
- the front passage between two adjacent passage openings may each comprise a web-shaped intermediate region, wherein this intermediate region of the front passage in at least a partial area by a perforation provided there comprises a plurality of outlet openings, wherein the free cross-sectional area of each such outlet opening of the perforation substantially smaller than the cross-sectional area of a Passage opening is.
- the passage openings and the air guide elements can extend radially and preferably the air guide elements, in particular the air guide elements designed as blades or swirl vanes, can be substantially triangular.
- the entirety of the passage openings can form a quadrilateral, in particular square, surface adapted to the front passage and this area can correspond approximately to the total area of the front passage.
- the air guide elements in particular the air guide elements designed as blades or swirl vanes, can consist of bent or bevelled areas of the front passage and between each two adjacent passage openings a web-shaped intermediate area can in each case the level of the front passage, be hinged to the at least one air guide.
- the width of at least one web-shaped intermediate region towards the center of the front passage in particular substantially evenly, decrease.
- the front diffuser can be made of plastic or sheet metal. Of course, other materials are possible.
- the air guide element 3 comprises.
- each front passage 1 In the middle of each front passage 1 is a central region 5, from which the passage openings 1 and the air guide elements 2 extend outwards.
- the spoiler elements 2 have a curved contour, so that the front passage 1 has an appearance in the manner of a spiral. In the embodiments of the 4 and 5 the spoiler elements 2 have an approximately triangular configuration.
- the center region 5 of the front passage has no passage openings and no air guide elements.
- the central region 5 comprises a plurality of outlet openings 6 through a perforation provided there.
- the free cross-sectional area of each such outlet opening 6 of the perforation is substantially smaller than the cross-sectional area of a passage opening 2.
- the air guide elements 3 comprise a plurality of outlet openings 6 over their entire length by means of a perforation provided there.
- FIG. 3 a front passage 1 is shown, which comprises a plurality of outlet openings 6 both in the middle region 5 and in the region of the air guiding elements 3 by means of a perforation provided there.
- each second air guide element 3 is provided with outlet openings 6.
- a circumferential annular portion is provided with outlet openings 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)
- Duct Arrangements (AREA)
Abstract
Description
Die Erfindung betrifft einen Auslass, insbesondere Drallauslass, zur Belüftung von Räumen, mit einem Gehäuse, das einen Zuluftstutzen und einen eine Auslassöffnung bildenden, insbesondere viereckigen, Frontdurchlass aufweist, wobei in dem Frontdurchlass mehrere Durchlassöffnungen vorgesehen sind und der Frontdurchlass anströmseitig zu jeder Durchlassöffnung ein der jeweiligen Durchlassöffnung zugeordnetes, insbesondere als Schaufel bzw. Drallschaufel, ausgebildetes Luftleitelement umfasst.The invention relates to an outlet, in particular twist outlet, for ventilation of rooms, with a housing having a Zuluftstutzen and an outlet opening forming, in particular quadrangular, front passage, wherein in the front passage a plurality of passage openings are provided and the front passage upstream of each passage opening of the comprising respective passage opening, in particular as a blade or swirl blade, formed air guide element.
Auslässe, insbesondere Drallauslässe, sind üblicherweise in oder unterhalb von Raumdecken angeordnet und werden mittels des Zuluftstutzens an einem Belüftungssystem angeschlossen. Bei Drallauslässen wird durch die radiale Anordnung der Drallschaufeln die Luft unter Drall in den zu belüftenden Raum eingebracht. Hierbei wird Raumluft induziert. Als Nachteil erweist sich, dass bei unveränderter Strömungsgeschwindigkeit und vorgegebener Strömungsrichtung über die vorgesehenen Durchlassöffnungen nur eine beschränkte Menge an Luft in den zu belüftenden Raum eingebracht werden kann.Outlets, in particular swirl outlets, are usually arranged in or below ceilings and are connected by means of Zuluftstutzens to a ventilation system. In twist outlets, the air is introduced into the space to be ventilated by the radial arrangement of the swirl blades. This room air is induced. It proves to be a disadvantage that, with the flow velocity and predetermined flow direction unchanged, via the provided passage openings, only a limited amount of air can be introduced into the space to be ventilated.
Aufgabe der Erfindung ist es, die vorgenannten Nachteile zu vermeiden und einen Auslass anzugeben, durch den größere Mengen an Luft in den Raum eingeführt werden können.The object of the invention is to avoid the aforementioned disadvantages and to provide an outlet through which larger amounts of air can be introduced into the room.
Diese Aufgabe wird dadurch gelöst, dass der Frontdurchlass zusätzlich zu den Durchlassöffnungen in zumindest einem Teilbereich durch eine dort vorgesehene Perforation noch eine Vielzahl an weiteren Auslassöffnungen umfasst, wobei die freie Querschnittsfläche einer jeden solchen Auslassöffnung der Perforation wesentlich kleiner als die Querschnittsfläche einer Durchlassöffnung ist.This object is achieved in that the front passage in addition to the passage openings in at least a partial area by a perforation provided there comprises a plurality of further outlet openings, wherein the free cross-sectional area of each such outlet opening of the perforation is substantially smaller than the cross-sectional area of a passage opening.
Die Form einer Auslassöffnung kann beliebig ausgebildet sein. So können die Auslassöffnungen beispielsweise rund, kreisrund oder auch ellipsen- oder linsenförmig ausgebildet sein. Selbstverständlich sind auch andere Formen möglich. Die Anordnung der Auslassöffnungen zueinander kann in einem regelmäßigen Muster oder auch unregelmäßig sein. Durch die Auslassöffnungen entsteht eine Perforation in dem betreffenden Bereich, so dass auch in diesem Bereich Luft in den Raum eingeführt werden kann. Die Anzahl, die Form und auch die Größe der Auslassöffnungen kann beliebig gewählt werden. Vorzugsweise nimmt der Teilbereich mit der Vielzahl an weiteren Auslassöffnungen einen möglichst hohen Anteil ein.The shape of an outlet opening can be configured as desired. For example, the outlet openings may be round, circular or even elliptical or lenticular. Of course, other shapes are possible. The arrangement of the outlet openings to each other may be in a regular pattern or even irregular. Through the outlet openings creates a perforation in the area concerned, so that also in this area air can be introduced into the room. The number, the shape and also the size of the outlet openings can be chosen arbitrarily. Preferably, the partial area with the multiplicity of further outlet openings occupies as high a proportion as possible.
Zumindest ein Luftleitelement kann in zumindest einem Teilbereich durch eine dort vorgesehene Perforation eine Vielzahl an Auslassöffnungen umfassen, wobei die freie Querschnittsfläche einer jeden solchen Auslassöffnung der Perforation wesentlich kleiner als die Querschnittsfläche einer Durchlassöffnung ist. Bei einer solchen Ausführungsform weist das Luftleitelement entweder über seine ganze Fläche oder aber zumindest über einen Teilbereich eine Vielzahl an Auslassöffnungen auf. Damit stellt sich ein anderes Geschwindigkeitsprofil an dem dem zu belüftenden Raum zugewandten freien Rand des Luftleitelementes infolge eines geringeren Druckunterschiedes zwischen der Anström- und der Abströmseite des Luftleitelementes ein, so dass das Geschwindigkeitsprofil zwar breiter aber die Austrittsgeschwindigkeit in seinem Maximum niedriger ist. Damit kann entweder die gleiche Volumenstrommenge allerdings mit einem geringeren Druckverlust und einer geringeren Geräuschentwicklung in den Raum eingebracht werden. Alternativ kann bei gleichem Druckverlust und bei gleicher Geräuschentwicklung - im Vergleich zu einem Luftleitelement ohne Auslassöffnungen - eine größere Volumenstrommenge in den Raum geblasen werden. Damit ist der Auslass über einen größeren variablen Volumenstrombereich einsetzbar.At least one air guiding element may comprise a multiplicity of outlet openings in at least one subregion by means of a perforation provided there, the free cross sectional area of each such outlet opening of the perforation being substantially smaller than the cross sectional area of a passage opening. In such an embodiment, the air guide element either over its entire Surface or at least over a portion of a plurality of outlet openings. This raises another speed profile at the free space of the air guide element facing the space to be ventilated, due to a smaller pressure difference between the inflow and outflow side of the air guide element, so that the velocity profile is wider but the exit speed is lower in its maximum. This can either be the same volume flow amount, however, introduced with a lower pressure drop and a lower noise in the room. Alternatively, with the same pressure loss and with the same noise development-in comparison to an air guide element without outlet openings-a larger volume flow quantity can be blown into the room. Thus, the outlet over a larger variable volume flow range can be used.
Der Frontdurchlass kann mittig einen Teilbereich ohne Durchlassöffnungen und Luftleitelemente umfassen, wobei dieser Mittelbereich des Frontdurchlasses in zumindest einem Teilbereich durch eine dort vorgesehene Perforation eine Vielzahl an Auslassöffnungen umfasst, wobei die freie Querschnittsfläche einer jeden solchen Auslassöffnung der Perforation wesentlich kleiner als die Querschnittsfläche einer Durchlassöffnung ist. Durch das Vorsehen der Auslassöffnungen in dem Mittelbereich kann zum einen eine erhöhte Luftmenge in den Raum eingebracht werden. Zum anderen verhindert die über die Auslassöffnungen eingeblasene Luft, dass verschmutzte Raumluft in den Mittelbereich des Frontdurchlasses gelangt und hier für eine Verschmutzung sorgt.The front passage may center a sub-area without passage openings and air guide elements, said central portion of the front passage in at least a partial area by a perforation there provided a plurality of outlet openings, wherein the free cross-sectional area of each such outlet opening of the perforation is substantially smaller than the cross-sectional area of a passage opening , By providing the outlet openings in the central area, on the one hand, an increased amount of air can be introduced into the room. On the other hand, the air blown in via the outlet openings prevents contaminated room air from reaching the middle area of the front opening and causing contamination here.
Der Frontdurchlass kann außenseitig einen Teilbereich ohne Durchlassöffnungen und Luftleitelemente umfassen, wobei dieser Außenrandbereich des Frontdurchlasses in zumindest einem Teilbereich durch eine dort vorgesehene Perforation eine Vielzahl an Auslassöffnungen umfasst, wobei die freie Querschnittsfläche einer jeden solchen Auslassöffnung der Perforation wesentlich kleiner als die Querschnittsfläche einer Durchlassöffnung ist.The front passage may comprise on the outside a partial area without passage openings and air guide elements, wherein this outer edge region of the front passage in at least one subregion comprises a plurality of outlet openings through a perforation provided there, the free cross-sectional area of each such outlet opening of the perforation being substantially smaller than the cross-sectional area of a passage opening.
Selbstverständlich kann der Frontdurchlass zwischen zwei benachbarten Durchlassöffnungen jeweils einen stegförmigen Zwischenbereich umfassen, wobei dieser Zwischenbereich des Frontdurchlasses in zumindest einem Teilbereich durch eine dort vorgesehene Perforation eine Vielzahl an Auslassöffnungen umfasst, wobei die freie Querschnittsfläche einer jeden solchen Auslassöffnung der Perforation wesentlich kleiner als die Querschnittsfläche einer Durchlassöffnung ist.Of course, the front passage between two adjacent passage openings may each comprise a web-shaped intermediate region, wherein this intermediate region of the front passage in at least a partial area by a perforation provided there comprises a plurality of outlet openings, wherein the free cross-sectional area of each such outlet opening of the perforation substantially smaller than the cross-sectional area of a Passage opening is.
Die Durchlassöffnungen und die Luftleitelemente, insbesondere die als Schaufeln bzw. Drallschaufeln ausgebildeten Luftleitelemente, können sich radial erstrecken und vorzugsweise die Luftleitelemente, insbesondere die als Schaufeln bzw. Drallschaufeln ausgebildeten Luftleitelemente, im Wesentlichen dreieckförmig ausgebildet sein. Dabei kann die Gesamtheit der Durchlassöffnungen eine dem Frontdurchlass angepasste viereckige, insbesondere quadratische, Fläche bilden und diese Fläche kann annähernd der Gesamtfläche des Frontdurchlasses entsprechen.The passage openings and the air guide elements, in particular the air guide elements designed as blades or swirl vanes, can extend radially and preferably the air guide elements, in particular the air guide elements designed as blades or swirl vanes, can be substantially triangular. In this case, the entirety of the passage openings can form a quadrilateral, in particular square, surface adapted to the front passage and this area can correspond approximately to the total area of the front passage.
Die Luftleitelemente, insbesondere die als Schaufeln bzw. Drallschaufeln ausgebildeten Luftleitelemente, können aus abgebogenen bzw. abgekanteten Bereichen des Frontdurchlasses bestehen und zwischen zwei benachbarten Durchlassöffnungen kann jeweils ein stegförmiger Zwischenbereich in der Ebene des Frontdurchlasses sein, an dem zumindest ein Luftleitelement angelenkt sein.The air guide elements, in particular the air guide elements designed as blades or swirl vanes, can consist of bent or bevelled areas of the front passage and between each two adjacent passage openings a web-shaped intermediate area can in each case the level of the front passage, be hinged to the at least one air guide.
Dabei kann die Breite zumindest eines stegförmigen Zwischenbereiches zur Mitte des Frontdurchlasses hin, insbesondere im Wesentlichen gleichmäßig, abnehmen.In this case, the width of at least one web-shaped intermediate region towards the center of the front passage, in particular substantially evenly, decrease.
Der Frontdurchlass kann aus Kunststoff oder Blech bestehen. Selbstverständlich sind auch andere Materialien möglich.The front diffuser can be made of plastic or sheet metal. Of course, other materials are possible.
Im Folgenden werden in den Zeichnungen dargestellte Ausführungsbeispiele der Erfindung erläutert. Es zeigen:
- Fig. 1
- zwei verschiedene Frontdurchlässe eines er- findungsgemäßen Auslasses mit einem perforier- ten Mittelbereich (Kalotte),
- Fig. 2
- den Gegenstand nach
Fig. 1 mit perforierten Luftleitlamellen, - Fig. 3
- den Gegenstand nach
Fig. 1 mit perforiertem Mittelbereich und perforierten Luftleitelemen- ten, - Fig. 4
- einen Frontdurchlass mit perforiertem Außenrandbereich und
- Fig. 5
- einen erfindungsgemäßen Frontdurchlass mit teilweise perforierten Luftleitelementen und einem bereichsweise perforierten Mittelbe- reich.
- Fig. 1
- two different front passages of an outlet according to the invention with a perforated central region (dome),
- Fig. 2
- the object after
Fig. 1 with perforated louvers, - Fig. 3
- the object after
Fig. 1 with perforated middle section and perforated air guiding elements, - Fig. 4
- a front passage with perforated outer edge area and
- Fig. 5
- a front passage according to the invention with partially perforated air guide elements and a partially perforated middle area.
Die
In dem Frontdurchlass 1 sind mehrere Durchlassöffnungen 2 vorgesehen, wobei der Frontdurchlass 1 anströmseitig zu jeder Durchlassöffnung 2 ein der jeweiligen Durchlassöffnung 2 zugeordnetes, in dem vorliegenden Fall als Drallschaufel ausgebildetes, Luftleitelement 3 umfasst.In the front passage 1 a plurality of
Die Durchlassöffnungen 2 und die Luftleitelemente 3 erstrecken sich radial nach innen, wobei in den
In der Mitte jedes Frontdurchlasses 1 befindet sich ein Mittelbereich 5, von dem sich die Durchlassöffnungen 1 und die Luftleitelemente 2 nach außen erstrecken.In the middle of each
In den
Bei dem Ausführungsbeispiel nach
Bei dem Ausführungsbeispiel nach
In
In
Claims (9)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090014086 EP2322867B9 (en) | 2009-11-11 | 2009-11-11 | Diffuser, in particular swirling diffuser for ventilating rooms |
DK09014086T DK2322867T3 (en) | 2009-11-11 | 2009-11-11 | Diffuser, especially vortex diffuser for room ventilation |
ES09014086T ES2464997T3 (en) | 2009-11-11 | 2009-11-11 | Exit, especially vortex exit, for room ventilation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090014086 EP2322867B9 (en) | 2009-11-11 | 2009-11-11 | Diffuser, in particular swirling diffuser for ventilating rooms |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2322867A1 true EP2322867A1 (en) | 2011-05-18 |
EP2322867B1 EP2322867B1 (en) | 2014-04-30 |
EP2322867B9 EP2322867B9 (en) | 2014-09-24 |
Family
ID=41666768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090014086 Active EP2322867B9 (en) | 2009-11-11 | 2009-11-11 | Diffuser, in particular swirling diffuser for ventilating rooms |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2322867B9 (en) |
DK (1) | DK2322867T3 (en) |
ES (1) | ES2464997T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107906712A (en) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | Keep out the wind component, air conditioner room unit and air conditioner |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0594076A1 (en) | 1992-10-23 | 1994-04-27 | Schako Metallwarenfabrik Ferdinand Schad Kg | Outlet with vortex flow |
DE4405630A1 (en) * | 1994-02-22 | 1995-08-24 | Schako Metallwarenfabrik | Ceiling vent for bringing fresh air into room |
WO1995023318A1 (en) | 1994-02-23 | 1995-08-31 | Schako Metallwarenfabrik Ferdinand Schad Kg | Rotary-flow air outlet |
DE202004006361U1 (en) | 2004-04-22 | 2004-07-29 | Gebrüder Trox Gesellschaft mit beschränkter Haftung | Swirl discharge opening for ventilating of rooms has entirety of through-passages forming especially square area conforming to front opening, and this area conforms approximately to whole area of front opening |
-
2009
- 2009-11-11 DK DK09014086T patent/DK2322867T3/en active
- 2009-11-11 ES ES09014086T patent/ES2464997T3/en active Active
- 2009-11-11 EP EP20090014086 patent/EP2322867B9/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0594076A1 (en) | 1992-10-23 | 1994-04-27 | Schako Metallwarenfabrik Ferdinand Schad Kg | Outlet with vortex flow |
DE4405630A1 (en) * | 1994-02-22 | 1995-08-24 | Schako Metallwarenfabrik | Ceiling vent for bringing fresh air into room |
WO1995023318A1 (en) | 1994-02-23 | 1995-08-31 | Schako Metallwarenfabrik Ferdinand Schad Kg | Rotary-flow air outlet |
DE202004006361U1 (en) | 2004-04-22 | 2004-07-29 | Gebrüder Trox Gesellschaft mit beschränkter Haftung | Swirl discharge opening for ventilating of rooms has entirety of through-passages forming especially square area conforming to front opening, and this area conforms approximately to whole area of front opening |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107906712A (en) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | Keep out the wind component, air conditioner room unit and air conditioner |
Also Published As
Publication number | Publication date |
---|---|
ES2464997T3 (en) | 2014-06-04 |
DK2322867T3 (en) | 2014-07-14 |
EP2322867B1 (en) | 2014-04-30 |
EP2322867B9 (en) | 2014-09-24 |
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