EP0606078B1 - Quelluftdurchlass für raumlufttechnische Anlagen - Google Patents
Quelluftdurchlass für raumlufttechnische Anlagen Download PDFInfo
- Publication number
- EP0606078B1 EP0606078B1 EP94100114A EP94100114A EP0606078B1 EP 0606078 B1 EP0606078 B1 EP 0606078B1 EP 94100114 A EP94100114 A EP 94100114A EP 94100114 A EP94100114 A EP 94100114A EP 0606078 B1 EP0606078 B1 EP 0606078B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide element
- air
- air duct
- duct according
- tubular 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.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 title claims abstract 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 13
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 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
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
Definitions
- the invention relates to a source air passage for ventilation systems, the one end can be connected to an air duct system via a supply air connection.
- the Source air passage consists of an outer air-permeable jacket and one inside concentrically arranged inner breathable jacket.
- In the source air passage at least one horizontal aperture ring is arranged.
- Such air outlets are generally known and are usually on the Floor installed so that the supply air from the air outlet to the people inside of the room to be air-conditioned only cover a relatively short distance got to.
- This route leads in particular to high and polluted areas Industrial halls due to the relatively low-load area near the floor.
- the supply air is mixed relatively little with indoor air contaminated with pollutants before it is inhaled by the people.
- the released ones increase Pollutants in the convective heat flow up to the hall roof, where they from Exhaust system can be recorded.
- the source air diffusers In order not to disturb this material flow, the source air diffusers must be the supply air to the lounge area with low air speed feed and add volume to the ascending stream, so none Recirculation of polluted indoor air from higher hall areas in the Work or stay area takes place.
- a source air passage of the generic type is known from DE-OS 40 37 287.
- This Known source air passage is the supply air inside the cylindrical, perforated jacket evenly deflected by horizontal and vertical internals made of perforated plates and fed horizontally to the room to be air-conditioned.
- the supply air receives through the higher Density due to the low temperature after the horizontal outlet from the source air outlet a speed component directed towards the floor. This is reinforced by the Coanda effect of the floor. This causes a constriction of the supply air layer with a considerable Air speed increase by a factor of 2 to 3 due to drafts and an increased Recirculation of polluted indoor air is the result.
- From DE-A-2718760 is an air outlet to be used as a table outlet for ventilation and air conditioning systems known with an air flow from bottom to top, the air outlet with an air inlet and housing provided with air outlet openings.
- the air intake opens into a control chamber with a perforated wall section a first outflow chamber is adjacent.
- a bellows shut-off and throttling means arranged with which the air flow from the inlet through a perforated Cylinder can be throttled as desired in the first outflow chamber.
- the first outflow chamber is provided with horizontally blowing air openings and over at least an opening connected to a second outflow chamber adjacent to the control chamber.
- This second outflow chamber has a plurality of vertically upwardly blowing air openings
- the air outlet also has an actuable by the shut-off and throttle element biased valve that is open when the bellows the inner cylinder blocked and thus a direct connection between the vertically blowing air vents manufactures.
- the flow behavior can be changed through the flow cross-section of the tubular guide element influence the supply air emerging from the source air passage, namely different, depending on whether the temperature of the supply air below or above the The temperature of the room air is.
- the pipe-shaped guide element will maximum open flow cross-section generates an air flow whose Speed on the outer jacket increases from bottom to top and their blow-out direction is directed obliquely upwards. The entire flow can be additional a twist can be superimposed. This way, no one finds in the lounge area Air speed increase due to cold air drop instead.
- the flow cross-section can of the tubular guide element can be reduced to zero, resulting in a Air flow is generated at the outlet from the source air passage, its outlet direction is directed downwards and their speed from top to bottom increases significantly. This counteracts the rise of the warmer supply air.
- the source air passage consists of an outer air-permeable cylindrical shell 1 and an inner concentrically arranged therein air-permeable cylindrical jacket 2, both preferably made of a perforated plate are made.
- the source air outlet is at the top except for the cross section for a supply air connection 3 closed, which can be connected to an air duct network, not shown.
- the source air passage is also provided with a closed bottom 4 and stands on the floor 5 of the hall to be air-conditioned or the other to be air-conditioned Space.
- a tubular guide element In the lower half of the source air diffuser is concentric with and in a side Distance from the inner jacket 2, a tubular guide element open on both sides 6 arranged. In the area of the upper end of the tubular guide element 6 a flap 7 is attached to change its flow cross-section, with which the tubular guide element 6 is also completely opened or closed can be.
- the flap 7 is pivotable about an axis in the tubular Guide element 6 mounted and can be mechanically with the help of a lever or by means of an electrically or pneumatically acting one acting on the axis Drive 8 are pivoted.
- a swirl blade insert 9 is arranged in the lower part of the tubular guide element 6 in the lower part of the tubular guide element 6 in order to Change twist strength.
- aperture rings 10, 11 arranged horizontally, which have a central through opening and have an outer ring surface.
- the ring surface of the upper aperture ring 10 is closed while that of the lower aperture ring 11, the pinhole ring is formed, has holes.
- a further aperture ring 12 is arranged horizontally, so that it extends over the space extends that he this in two superimposed annular chambers 13, 14th divides.
- This further aperture ring 12 is in the first exemplary embodiment described here perforated.
- FIGS Fig. 3 to 5 illustrated second embodiment essentially in that the Function of the flap 7 and that of the aperture ring 12 by two horizontal and tight discs 15, 16 arranged one above the other is taken over.
- These divide the Annulus between the tubular guide member 6 and the inner jacket 2 in the Annular chambers 13 and 14 and the tubular guide element 6 in an upper and a lower tubular guide element section.
- Breakthroughs 17 in the rotatable mounted upper disc 15 correspond to openings 18 in the rigidly arranged Disc 16, so that depending on the rotational position of the disc 15, the openings 17 more or less aligned with the openings 18 or the openings 17 and 18 are blocked with breakthrough-free areas of disks 16 and 15, respectively.
- the tubular guide element is 6 'from an upper section which is flared upwards and a cylindrical one combined lower section. Between the two sections there are disks 15 ' and 16 'arranged horizontally. Deviating from the second embodiment according to 3 to 5, the upper disc 15 'and 16' is not congruent.
- the disc 15 ' is rotatably mounted so that openings 17 'in the upper disc 15' with openings 18 'and / or 19' more or less aligned or with breakthrough-free Areas of the disks 15 'and 16' are blocked. With fully closed openings 18 'through the segments of the disc 15' are the openings 19 'of the disc 16 'fully open.
- the tubular guide element is 6 '' conical from bottom to top.
- the annulus in the annulus 13 and 14 dividing disks 15 "and 16" are gear-shaped, so that the tooth-gap-shaped openings 17 '' in the rotatably mounted disc 15 '' the tooth gap-shaped openings 18 '' in the rigid disk 16 '' more or can align less or through tooth-shaped areas of the disk 16 '' or 15 '' can be locked.
- the supply air supplied via the supply air connection 3 enters the interior of the interior Jacket 2 and enters through the outer jacket 1 in the air-conditioned hall out.
- the tubular cross section which can be changed in terms of its flow Guide element 6, 6 ', 6 ", the air flow can be influenced so that the in the Fig. 12 and 13 set reproduced flow patterns.
- the flow cross-section is of the tubular guide element 6 released so that it from a Part of the incoming supply air is flowed through vertically, while the rest of the supply air radially emerges through the outer jacket 1 (FIG. 12).
- the tubular guide element 6 partial flow flowing through is deflected at the bottom 4 of the source air passage, enters the lower annular chamber 14 and emerges from the lower part of the outer Coat 1 off. In this way, the total exiting from the source air passage is maintained Inlet air shown in FIG. 12, slightly upward flow direction. Since the supply air is colder than the room air, the supply air drops due to the higher density in the common area.
- the supply air has a swirl of adjustable size overlay to adjust the supply air temperature faster to the room air temperature.
- This swirl is arranged in the tubular guide element 6 Swirl blade insert 9 generated.
- the swirl blade insert 9 would supply air temperatures above the room air temperature undesirably reduce the penetration depth of the supply air. However, this will prevented by closing the tubular guide element 6, whereby the twist will be annulled.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
- Ventilation (AREA)
- Treating Waste Gases (AREA)
- Air-Flow Control Members (AREA)
Description
- Fig. 1
- einen Längsschnitt durch ein erstes Ausführungsbeispiel;
- Fig. 2
- eine Draufsicht auf das Ausführungsbeispiel gemäß Fig. 1;
- Fig. 3
- einen Längsschnitt durch ein zweites Ausführungsbeispiel;
- Fig. 4
- einen Querschnitt nach der Linie IV - IV des Ausführungsbeispiels gemäß Fig. 3;
- Fig. 5
- einen Querschnitt nach der Linie V - V der Fig. 3;
- Fig. 6
- einen Längsschnitt durch ein drittes Ausführungsbeispiel;
- Fig. 7
- einen Querschnitt nach der Linie VII - VII des Ausführungsbeispiels gemäß Fig. 6;
- Fig. 8
- einen Querschnitt nach der Linie VIII - VIII der Fig. 6;
- Fig. 9
- einen Längsschnitt durch ein viertes Ausführungsbeispiel;
- Fig. 10
- einen Querschnitt nach der Linie X - X des Ausführungsbeispiels gemäß Fig. 9;
- Fig. 11
- einen Querschnitt nach der Linie XI - XI der Fig. 9;
- Fig. 12 und 13
- Strömungsbilder unter Verwendung eines erfindungsgemäßen Quellluftdurchlasses.
Claims (13)
- Quelluftdurchlaß für raumlufttechnische Anlagen, der an einem Ende über einen Zuluftanschluß (3) an ein Luftkanalnetz anschließbar ist und aus einem äußeren luftdurchlässigen Mantel (1) sowie einem darin konzentrisch angeordneten inneren luftdurchlässigen Mantel (2) besteht und in dem mindestens ein horizontaler Blendring (10, 11) angeordnet ist, dadurch gekennzeichnet, daß innerhalb des inneren Mantels (2) ein konzentrisch zu diesem gerichtetes, axial durchströmbares rohrförmiges Leitelement (6, 6', 6") angeordnet ist, dessen dem Zuluftanschluß (3) abgewandtes Ende offen ist, wobei zwischen dem inneren Mantel (2) und dem rohrförmigen Leitelement (6, 6', 6") ein durchströmbarer Ringraum gebildet ist.
- Quelluftdurchlaß nach Anspruch 1, dadurch gekennzeichnet, daß der Durchströmquerschnitt des Leitelements (6, 6', 6") veränderbar ist.
- Quelluftdurchlaß nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das rohrförmige Leitelement (6, 6', 6") über mindestens einen Teil der Höhe des inneren Mantels in axialer Richtung verstellbar angeordnet und/oder längenveränderlich ausgebildet ist.
- Quelluftdurchlaß nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß im rohrförmigen Leitelement (6, 6', 6") ein Drallschaufeleinsatz (9) angeordnet ist.
- Quelluftdurchlaß nach Anspruch 4, dadurch gekennzeichnet, daß der Drallschaufeleinsatz (9) in axialer Richtung verschiebbar ist und/oder verdrehbare Drallschaufeln aufweist.
- Quelluftdurchlaß nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Durchströmquerschnitt des rohrförmigen Leitelements (6, 6', 6") durch eine diesem zugeordnete schwenkbare Klappe (7) veränderbar ist.
- Quelluftdurchlaß nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß dem rohrförmigen Leitelement (6, 6', 6") ein Scheibenpaar zugeordnet ist und je nach der Position einer drehbaren Scheibe (15, 15', 15") zu einer feststehenden Scheibe (16, 16', 16") Ausschnitte oder Durchbrüche (17, 18, 17', 18', 19', 17", 18") in beiden Scheiben (15, 16, 15', 16', 15", 16") in oder außer Deckung bringbar sind.
- Quelluftdurchlaß nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß dem rohrförmigen Leitelement (6, 6', 6") eine Irisblende oder ein kippbarer Blendenring zugeordnet ist.
- Quelluftdurchlaß nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Durchströmquerschnitt des Ringraums zwischen dem inneren Mantel (2) und dem rohrförmigen Leitelement (6, 6', 6") veränderbar ist.
- Quelluftdurchlaß nach Anspruch 9, dadurch gekennzeichnet, daß der Ringraum durch einen Blendenring und/oder einen Drallschaufelkranz in zwei übereinander angeordnete Ringkammern (13, 14) unterteilt ist.
- Quelluftdurchlaß nach Anspruch 10, dadurch gekennzeichnet, daß der im Ringraum angeordnete Blendenring aus einem Ringscheibenpaar (15", 16") besteht und je nach der Position einer drehbaren Ringscheibe zu einer feststehenden Ringscheibe Ausschnitte oder Durchbrüche in beiden Ringscheiben in oder außer Deckung bringbar sind.
- Quelluftdurchlaß nach Anspruch 10, dadurch gekennzeichnet, daß der im Ringraum angeordnete Blendenring nach Art einer Irisblende ausgebildet ist.
- Quelluftdurchlaß nach einem der Ansprüche 1 bis 12, gekennzeichnet durch mindestens einen elektrischen oder pneumatischen Antrieb (8), durch den das rohrförmige Leitelement (6, 6', 6") und/oder die Klappe (7) und/oder der Blendenring (12) und/oder eine Scheibe (15, 16, 15', 16', 15", 16") des Scheibenpaares und/oder der Drallschaufeleinsatz (9) und/oder ein im Ringraum zwischen dem inneren Mantel (2) und dem Leitelement (6, 6', 6") eingesetzter Drallflügelkranz verstellbar ist bzw. sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4300300 | 1993-01-08 | ||
DE4300300 | 1993-01-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0606078A2 EP0606078A2 (de) | 1994-07-13 |
EP0606078A3 EP0606078A3 (de) | 1995-01-25 |
EP0606078B1 true EP0606078B1 (de) | 1998-04-01 |
Family
ID=6477867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94100114A Expired - Lifetime EP0606078B1 (de) | 1993-01-08 | 1994-01-05 | Quelluftdurchlass für raumlufttechnische Anlagen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5360373A (de) |
EP (1) | EP0606078B1 (de) |
AT (1) | ATE164667T1 (de) |
DE (1) | DE59405548D1 (de) |
ES (1) | ES2115085T3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4417715C1 (de) | 1994-05-20 | 1995-12-07 | Bree Hartmut | Luftauslaß |
ES2160448B1 (es) * | 1998-08-13 | 2002-05-16 | Bsh Fabricacion Sa | Acondicionador de aire movil. |
DE10149909B4 (de) * | 2001-10-10 | 2005-07-21 | Schako Klima Luft Ferdinand Schad Kg Zweigniederlassung Kolbingen | Luftauslass |
US7641125B2 (en) * | 2005-04-29 | 2010-01-05 | E.H. Price Ltd. | Variable air volume ceiling diffuser |
ITVA20130008A1 (it) * | 2013-02-07 | 2014-08-08 | Lino Alioli | Sistema di diffusione aria calda per complementi di arredo da esterni |
EP2896905B1 (de) * | 2014-01-21 | 2018-08-15 | Halton OY | Luftverteilungsvorrichtung |
WO2015184324A1 (en) * | 2014-05-29 | 2015-12-03 | Global Finishing Solutions Llc | Directional air apparatuses, systems, and methods of using the same |
EP3150936B1 (de) * | 2015-09-30 | 2020-09-02 | LTG Aktiengesellschaft | Luftauslass sowie verfahren zum betreiben des luftauslasses |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL165834C (nl) * | 1972-06-26 | 1981-05-15 | Treffers Tech Adviesbureau | Luchtuitstroomkast voor een luchtconditioneerinrichting. |
DE2718760A1 (de) * | 1977-04-27 | 1978-11-02 | Mabag Luft & Klimatechnik | Luftauslass fuer lueftungs- und/oder klimatisierungssysteme |
SU840608A2 (ru) * | 1979-09-06 | 1981-06-23 | Предприятие П/Я В-8843 | Воздухораспределитель плафонногоТипА |
DE3017397C2 (de) * | 1980-05-07 | 1982-09-02 | Turbon-Tunzini Klimatechnik GmbH, 5060 Bergisch Gladbach | Luftauslaß |
DE3304151C2 (de) * | 1983-02-08 | 1986-04-30 | Kessler & Luch Gmbh, 6300 Giessen | Luftauslaß |
JP2571774B2 (ja) * | 1987-01-08 | 1997-01-16 | 株式会社 大氣社 | 空調用空気吹出器 |
SE504421C2 (sv) * | 1990-03-29 | 1997-02-03 | Mats Kronfaelt | Tilluftsdon där tilluft valbart kan tillföras lokal genom ett högimpulsdon alternativt ett låghastighetsdon |
US5033362A (en) * | 1990-08-30 | 1991-07-23 | James E. Huckestein Inc. | Air distribution outlet |
-
1993
- 1993-11-19 US US08/154,845 patent/US5360373A/en not_active Expired - Fee Related
-
1994
- 1994-01-05 AT AT94100114T patent/ATE164667T1/de not_active IP Right Cessation
- 1994-01-05 EP EP94100114A patent/EP0606078B1/de not_active Expired - Lifetime
- 1994-01-05 ES ES94100114T patent/ES2115085T3/es not_active Expired - Lifetime
- 1994-01-05 DE DE59405548T patent/DE59405548D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0606078A2 (de) | 1994-07-13 |
US5360373A (en) | 1994-11-01 |
EP0606078A3 (de) | 1995-01-25 |
ATE164667T1 (de) | 1998-04-15 |
ES2115085T3 (es) | 1998-06-16 |
DE59405548D1 (de) | 1998-05-07 |
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