EP2184558A1 - Sortie d'air pour des installations de climatisation et de technologies d'aération - Google Patents
Sortie d'air pour des installations de climatisation et de technologies d'aération Download PDFInfo
- Publication number
- EP2184558A1 EP2184558A1 EP09013679A EP09013679A EP2184558A1 EP 2184558 A1 EP2184558 A1 EP 2184558A1 EP 09013679 A EP09013679 A EP 09013679A EP 09013679 A EP09013679 A EP 09013679A EP 2184558 A1 EP2184558 A1 EP 2184558A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air outlet
- air
- size
- ausströmquerschnittes
- outlet opening
- 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
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/745—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity the air flow rate increasing with an increase of air-current or wind pressure
-
- 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
- F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
-
- 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
- F24F2013/0612—Induction nozzles without swirl means
-
- 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
- F24F2013/1493—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using an elastic membrane
Definitions
- the invention relates to an air outlet for air conditioning and ventilation systems with at least one of a passage area surrounded air outlet opening, wherein the Ausströmquer bain at least one air outlet opening is variable in size.
- Induction units are mainly operated with constant primary air volume flow. Due to the increasing demand for ventilation and the increased use in other areas of application, such as meeting rooms or laboratories, induction devices are increasingly being operated with variable primary air volume flows.
- induction devices with air outlets, in particular with trained as induction nozzles air outlets, known in which the induction nozzles made of steel or plastic or are punched out.
- Such induction nozzles have an unchangeable Ausströmquerites and a fixed geometry.
- the primary air volume flow range is limited because a certain induction ratio is required for jet stability. In the lower area, the restriction results from a minimum pulse current, which requires sufficient induction and a suitable flow structure becomes.
- the primary air volume flow is limited due to the high blow-off speed and the resulting sound power level.
- a manual or motorized adjustment of the induction nozzle is possible in order to change the induction device to other volumetric flow ranges.
- the object of the invention is to avoid the aforementioned disadvantages and to provide an air outlet in which the size of the Ausströmqueriteses is easier to change.
- the size of the Ausströmqueriteses varies depending on the pressure difference between the room and - at Use of the air outlet according to the invention in an induction device - the primary air chamber.
- the size of the Ausströmqueriteses at high differential pressures, ie high flow rates increased.
- the differential pressure decreases, ie with decreasing volume flows an automatic reduction takes place.
- the practically usable primary air volume range of an induction device can be significantly expanded, since the size of the Ausströmqueriteses adapts to the desired volume flow.
- an element can be provided that reduces the theoretical free outflow cross section and can be displaced by the air flow against a restoring force such that the free outflow cross section of the air outlet opening is increased.
- the element may have an increasing in the direction of air flow cross-sectional area and with increasing pressure difference, i. with increasing air flow, a smaller and falling pressure difference, i. decreasing air volume flow, each closing a larger proportion of the maximum possible Ausströmqueriteses.
- the element can completely close the outflow cross section in the two extreme positions and release it almost completely at high air flow rates.
- the element may be pointed or blunt.
- the cross section of the element may be formed pointwise or mirror symmetrically.
- the element may be wedge-shaped, conical or frustoconical.
- the cross section of the element is at least approximately adapted to the design of the air outlet opening. It is advisable, for example, if, in the case of a round air outlet opening, the cross section of the element is likewise round, so that an annular gap is formed between the element and the edge of the air outlet opening.
- the element can be displaced, for example, in its position in the direction of the flow direction.
- the element At high pressure difference, i. high air flow rates, the element is displaced against a spring force, so that increases the free Ausströmquerites.
- the element With decreasing air flow, d. H. at lower primary air chamber pressure in an induction device, the element is displaced by the force exerted by the spring restoring force in the direction of the outlet opening, and thus reduces the available Ausströmquerites the outlet opening.
- At least the passage region of an air outlet opening for changing the size of the outflow cross-section at least partially made of an elastic material, such as a film, an elastic plastic or the like exist.
- the elastic material bulges outwards.
- the Ausströmquerites increased by the expansion of the elastic material.
- induction devices usually several air outlet openings are provided. This is useful when, for example, a strip of elastic material is used, wherein the strip has a plurality of corresponding air outlet openings.
- the strip is mounted circumferentially in the induction device. As the pressure in the primary air chamber increases, the strip bulges outwardly and the elastic material is stretched, whereupon the outflow area of each air outlet increases.
- the outflow cross section increases substantially only in the transverse direction of the strip.
- At least the passage region of an air outlet opening may have a nozzle-like collar, wherein at least the collar for changing the size of the Ausströmqueriteses partially made of an elastic material.
- the relevant air outlet opening is designed as a nozzle, in particular as an induction nozzle.
- the induction nozzle can be made entirely of an elastic material.
- the nozzle has only one or two, for example, aligned parallel to the flow direction regions of an elastic material. Also by this configuration, an increasing pressure difference causes a widening of the nozzle and thus an enlargement of the Ausströmqueriteses.
- Fig. 1 shows an air outlet with an air outlet opening 1, which is surrounded by a passage area 2.
- This passage area 2 is made of an elastic material.
- the passage region 2 is annular in the illustrated embodiment and is on the outside of a likewise annularly shaped fastening strip 3, which is connected to components not shown, comprises.
- Fig. 2 is an embodiment, as used for example in induction devices used.
- a strip 5 is shown, which includes a plurality of juxtaposed air outlet openings 1 and passage areas 2.
- the strip 5 itself consists of an elastic material and is peripherally connected via fastening strips 3 with components not shown.
- Fig. 2 shows only a portion of the strip 5 according to the invention, a fastening strip 3 is indicated only at the two opposite longitudinal edges. It requires no further explanation that even at the two free ends, ie at the short edges a suitable attachment, for example in the form of a fastening strip 3, is provided.
- the elastic material is curved substantially in the transverse direction. While the air outlet 1 at low pressure differences in the illustrated embodiment a substantially circular Ausströmquerites, as shown in Fig. 2 is shown, the Ausströmquer bain the air outlet openings 1 due to the substantially only in the transverse direction curvature with increasing pressure difference more and more oval.
- Fig. 4 an embodiment is shown, in which at the air outlet 1 a nozzle-like design collar 6 is provided, wherein the collar 6 in the illustrated embodiment consists of an elastic material.
- the collar 6 and the air outlet 1 are shown at low pressure difference.
- the collar 6 expands, assuming the contour shown in dashed lines.
- the size of the Ausströmquerargueses the air outlet opening 1 increases.
- FIG. 5 an air outlet opening 1 is shown, wherein the edge of the air outlet opening 1 in the direction of the air flow (arrow 4) is angled.
- a cone-shaped element 7 which is connected via a connecting element 8 with a clasp-shaped spring element 9.
- the element 7 is displaceable in and against the direction of the air volume flow (arrow 4).
- the outflow cross section of the air outlet opening 1 is formed on the basis of the centrally arranged element 7 as a circumferential gap arranged between the element 7 and the passage region 2.
- the element 7 If the pressure difference increases, the element 7 is displaced against the restoring force generated by the spring element 9 in the direction of the air flow (arrow 4). This decreases the size the Ausströmqueriteses the air outlet opening 1 to. With decreasing pressure difference, the element 7 is again displaced by the restoring force of the spring element 9 counter to the flow direction (arrow 4) and thus reduces the size of the Ausströmqueriteses.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Duct Arrangements (AREA)
- Sampling And Sample Adjustment (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Check Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09013679T PL2184558T3 (pl) | 2008-11-05 | 2009-10-30 | Wylot powietrza dla instalacji klimatyzacyjnych i wentylacyjnych |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008014690U DE202008014690U1 (de) | 2008-11-05 | 2008-11-05 | Luftauslass für klima- und lüftungstechnische Anlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2184558A1 true EP2184558A1 (fr) | 2010-05-12 |
EP2184558B1 EP2184558B1 (fr) | 2014-04-23 |
Family
ID=41647241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09013679.7A Active EP2184558B1 (fr) | 2008-11-05 | 2009-10-30 | Sortie d'air pour des installations de climatisation et de technologies d'aération |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2184558B1 (fr) |
DE (1) | DE202008014690U1 (fr) |
DK (1) | DK2184558T3 (fr) |
ES (1) | ES2465017T3 (fr) |
PL (1) | PL2184558T3 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11632874B1 (en) * | 2020-07-22 | 2023-04-18 | ZT Group Int'l, Inc. | Regulating airflow in a computer system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2105077A1 (de) * | 1971-02-04 | 1972-08-10 | Herbst D | Vorrichtung zum gleichmäßigen Verteilen von Luft innerhalb von an Luftverteilkanäle einer Klimaanlage angeschlossenen Räumen |
DE2804670B1 (de) * | 1978-02-03 | 1979-06-13 | Klaus Daniels | Luftauslass |
DE2833822B1 (de) * | 1978-08-02 | 1979-09-27 | Werner Ing Reith | Decken-Luftauslassvorrichtung fuer variablen Volumenstrom zur Raumbelueftung |
DE8019939U1 (de) * | 1979-09-13 | 1985-02-07 | Luwa AG, Zürich | Luftverteileinrichtung insbesondere fuer uebersaettigte luft |
DE8433344U1 (de) * | 1984-11-14 | 1985-05-09 | Jacobs, Ludwig, 4790 Paderborn | Einstueckige, aus einem elastisch verformbarem material bestehende luftduese fuer klimaanlagen |
WO1996039808A1 (fr) * | 1995-06-07 | 1996-12-19 | Osborne Industries, Inc. | Procede et moyen permettant une ventilation au plafond amelioree |
-
2008
- 2008-11-05 DE DE202008014690U patent/DE202008014690U1/de not_active Expired - Lifetime
-
2009
- 2009-10-30 PL PL09013679T patent/PL2184558T3/pl unknown
- 2009-10-30 EP EP09013679.7A patent/EP2184558B1/fr active Active
- 2009-10-30 ES ES09013679.7T patent/ES2465017T3/es active Active
- 2009-10-30 DK DK09013679.7T patent/DK2184558T3/da active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2105077A1 (de) * | 1971-02-04 | 1972-08-10 | Herbst D | Vorrichtung zum gleichmäßigen Verteilen von Luft innerhalb von an Luftverteilkanäle einer Klimaanlage angeschlossenen Räumen |
DE2804670B1 (de) * | 1978-02-03 | 1979-06-13 | Klaus Daniels | Luftauslass |
DE2833822B1 (de) * | 1978-08-02 | 1979-09-27 | Werner Ing Reith | Decken-Luftauslassvorrichtung fuer variablen Volumenstrom zur Raumbelueftung |
DE8019939U1 (de) * | 1979-09-13 | 1985-02-07 | Luwa AG, Zürich | Luftverteileinrichtung insbesondere fuer uebersaettigte luft |
DE8433344U1 (de) * | 1984-11-14 | 1985-05-09 | Jacobs, Ludwig, 4790 Paderborn | Einstueckige, aus einem elastisch verformbarem material bestehende luftduese fuer klimaanlagen |
WO1996039808A1 (fr) * | 1995-06-07 | 1996-12-19 | Osborne Industries, Inc. | Procede et moyen permettant une ventilation au plafond amelioree |
Also Published As
Publication number | Publication date |
---|---|
ES2465017T3 (es) | 2014-06-04 |
DK2184558T3 (da) | 2014-07-14 |
DE202008014690U1 (de) | 2010-03-25 |
PL2184558T3 (pl) | 2014-09-30 |
EP2184558B1 (fr) | 2014-04-23 |
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