EP2182300B1 - Dispositif d'installation pour systèmes d'aération de pièces décentralisés - Google Patents

Dispositif d'installation pour systèmes d'aération de pièces décentralisés Download PDF

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Publication number
EP2182300B1
EP2182300B1 EP09013233.3A EP09013233A EP2182300B1 EP 2182300 B1 EP2182300 B1 EP 2182300B1 EP 09013233 A EP09013233 A EP 09013233A EP 2182300 B1 EP2182300 B1 EP 2182300B1
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EP
European Patent Office
Prior art keywords
air
wall
opening
adapter plate
room ventilation
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Application number
EP09013233.3A
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German (de)
English (en)
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EP2182300A2 (fr
EP2182300A3 (fr
Inventor
Jürgen Dr.-Ing. Wildeboer
Thomas Dipl.-Ing. Harms
Hermann Dipl.-Ing. Wilms (FH)
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Individual
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Publication of EP2182300A3 publication Critical patent/EP2182300A3/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F13/18—Air-flow control members, e.g. louvres, grilles, flaps or guide plates specially adapted for insertion in flat panels, e.g. in door or window-pane

Definitions

  • the invention relates to a decentralized room ventilation system comprising: at least one outer wall device with a fan device, and an installation device with an adapter plate which can be used instead of a glass pane in a profile frame of a window front and has an outside air opening and an exhaust air opening and on which the outside wall device is detachably mountable, that it communicates with the outside air opening and the exhaust air opening.
  • each room has at least one outer wall unit which sucks the supply air directly through the outer wall and the exhaust air passes directly through the outer wall therethrough.
  • This has the advantage that in the building ceilings no cavities need be provided for the ventilation ducts, whereby the construction costs are reduced and also a retrofitting of existing buildings with active ventilation systems is possible.
  • the flow paths for the air are considerably shortened, so that flow and heat losses are reduced and thus the energy consumption is reduced. So that the usable area is limited as little as possible within the room, the outdoor wall unit should be as small as possible.
  • the object of the invention is to provide a device that allows a simple, space-saving and easy to maintain installation of the outer wall unit.
  • the adapter plate makes it possible to integrate the outer wall unit directly into the window front, which forms the outer wall of the space to be ventilated. This allows a particularly space-saving installation.
  • the adapter plate can be used as an ordinary window glass in the profile frame, so that so far can be used on known mounting techniques.
  • the outer wall unit can then in turn by any suitable means such as hooks, screws and the like releasably attach to the adapter plate, after this already sits firmly in the profile frame.
  • the assembly work is greatly facilitated overall and it can be dispensed with special fasteners for wall or Bodenbefestgiung the outdoor wall unit.
  • the adapter plate also allows a hanging and thus floor-mounted mounting of the outer wall unit.
  • the outside air opening and the exhaust air opening can each be closed by a motor-driven flap. If the exterior wall unit has to be dismantled for maintenance or repair purposes, the adapter plate will remain in place and closing the flaps will maintain some thermal protection and protection against weather conditions.
  • spring return actuators are provided for the flaps, through which the flaps in the de-energized state in the closed Held position. Power can be supplied to the drives via the outdoor wall unit, and if the outdoor unit is disconnected and the power supply is interrupted, closing of the doors is automatically ensured.
  • each of the flaps has two flapper blades, one on the inside and the other on the outside of the associated aperture and abutting the edge of the aperture so that the flap acts as a check valve regardless of the direction of the pressure gradient. This ensures that the flaps remain securely closed even with high wind loads.
  • Fig. 1 shows a window front with three so-called axes 10, 12 and 14, each formed by a skylight 16, a tilting window 18 and a parapet field 20.
  • the parapet field 20 consists of a glass pane 22, which is firmly inserted into a rigid profile frame 24.
  • the parapet areas are occupied by outer wall devices 26 of a decentralized ventilation system.
  • each outer wall device 26 has a relatively large-area outlet opening 28 on the inner side facing the interior of the room, and a slightly smaller suction opening 30 in an upper corner.
  • the outlet opening 28 outside air, which was sucked in by the device and, if necessary, suitably tempered, distributed over a relatively large area and with a correspondingly low flow velocity in the manner of a so-called source ventilation as supply air into the room.
  • the intake opening 30 exhausted room air is extracted as exhaust air, which is then discharged directly through the window front as exhaust air to the outside.
  • the skylights 16 and the tilting windows 18 have motor-operated tilting fittings 32, with which they can each tilt into an open position, as shown here for the tilting window in the central axis 12.
  • the outer wall devices 26 and the drives of all Kippbehave 32 are connected to a common electronic control device 34 which contains various room sensors, not shown, or is connected thereto, so that the temperature and possibly also the moisture content and / or the pollutant content of the air (eg CO 2 content) within the room, preferably at several measuring points, can be measured.
  • outdoor sensors are also provided for measuring the outside temperature and the wind pressure.
  • the tilting fittings 32 and the outer wall units 26 are then controlled by the control device 34 so that an optimal ventilation result is achieved under the given conditions with a minimum of energy input and in compliance with the criteria for comfort and indoor air quality ,
  • the tilt angle of the window can be varied continuously depending on the outside temperature and the wind pressure.
  • the outside wall appliances 26 will remain off and only one window ventilation will be performed by turning all or some of the skylights and tilt windows into one be tilted open position.
  • z. B. very low outside temperatures or wind pressures the tilt windows and the skylights are closed, and the ventilation takes place exclusively on the outer wall devices 26, if necessary with tempered air.
  • control device 34 also has an operating mode in which the window ventilation is combined with the active ventilation by means of the outer wall devices 26.
  • the control device 34 keeps the window ventilation - possibly with adjustment of the tilt angle - upright, and it switches only the outer wall devices 26, so that through the outlet openings 28 additional tempered (heated) air is discharged into the room and indeed near the ground, so that it mixes with the colder air entering through the windows.
  • the Au- touchwandaus 26 can be operated so that the air flow rate is relatively low, since a significant part of the fresh air is still supplied by the window ventilation. In this way, even at lower outdoor temperatures sufficient ventilation of the room can be ensured with a minimum of energy use.
  • Fig. 1 For the axes 10 and 14 in Fig. 1 is used instead of recognizable in the axis 12 glass plate 22 in the profile frame 24 of the parapet field 20, an adapter plate 38, as in FIGS. 2 and 3 is shown.
  • the outdoor wall unit 26 is attached to this adapter plate and is held by them, in particular Fig. 3 shows.
  • Fig. 2 shows a view of the inside of the adapter plate 38 with removed outer wall unit.
  • the adapter plate has a peripheral edge 40, which in its thickness and cross-sectional shape corresponds to the edge of a conventional multi-glazed window pane such as the pane 22 and thus allows the adapter plate 38 to be inserted into the profile frame 24 like an ordinary window pane.
  • Fig. 1 shows a view of the inside of the adapter plate 38 with removed outer wall unit.
  • the adapter plate has a peripheral edge 40, which in its thickness and cross-sectional shape corresponds to the edge of a conventional multi-glazed window pane such as the pane 22 and thus allows the adapter plate 38 to be inserted into the profile frame 24 like an ordinary window pane.
  • Fig. 1 shows a view of the inside of the adapter plate 38 with removed outer wall unit.
  • the adapter plate has a peripheral edge 40, which in its thickness and cross-sectional shape corresponds to the edge of a conventional multi-glazed window pane such as the pane 22 and
  • the adapter plate 38 is formed as a hollow body, which is largely filled with a heat-insulating material 41 ( Fig. 3 ).
  • a heat-insulating material 41 Fig. 3
  • two circular openings are formed, namely an outside air opening 42 and an exhaust air opening 44.
  • Each of these openings is connected via a recessed in the heat channel with a rectangular passage 46 and 48 of the inner wall of the adapter plate ,
  • the exhaust air opening 44 is closed by an exhaust air flap 50, which, as Fig. 3 shows, two parallel damper blades 52 and 54, one of which is on the inside and the other on the outside of the exhaust air opening 44. Both damper blades 52, 54 are pivotable together by an electric motor drive 56 in the open position.
  • the drive 56 is designed as a spring return drive, so that the exhaust air flap 50 is automatically transferred in the de-energized state again in the closed position.
  • an outside air damper 58 having a corresponding structure is provided.
  • the construction of these flaps ensures that the outside air opening 42 and the exhaust air opening 44 can be securely held in the closed position irrespective of the weather.
  • Fig. 3 shows, on the outside of the adapter plate 38 at a distance from the local damper blade 54 nor a slat curtain 60 is provided which protects the adapter plate and in particular acts as a deflector for precipitation.
  • the power supply of the drives 56 for the exhaust air flap 50 and the Au . povertyklappe 58 takes place from the outer wall device 26. If the outdoor wall unit must be dismantled once for maintenance or repair purposes and thus the power supply must be interrupted, the spring return drives ensure that the Zu Kunststoff- and continuous flaps take up the closed position automatically. Thus, even when the exterior wall unit is dismantled, the outside wall or, more specifically, the parapet panel 20 in the window front remains closed, and effective weather protection as well as effective thermal insulation are maintained.
  • a base plate 62 which in its outline form the in Fig. 2 inner part of the adapter plate 38 without the edge 40 corresponds and with which the outer wall device 26 is completed towards the adapter plate and held on the adapter plate.
  • Passages 64, 66 in the base plate 62 correspond in position and contour to the passages 46 and 48 in FIG Fig. 2 ,
  • a fan 68 is rotatably mounted on the base plate 62.
  • This fan has the shape of a cylindrical pot which is closed on the base plate 62 side facing and inside a drive motor 70 receives the fan in a clockwise direction in Fig. 4 drives.
  • the cylindrical shell of the fan wheel is formed by a blade ring 72, whose blades produce a radially directed from the inside outward air flow.
  • the interior of the fan wheel is of a drive motor 70th cross-partition 74, with the inner edge of the blade ring 72 only a narrow (in Fig. 4 not visible) gap, divided into two semicircular chambers 76, 78.
  • the chamber 76 communicates with the passage 64 in fluid communication, as symbolized by an arrow 80 drawn in outline.
  • the chamber 78 is in fluid communication with the suction opening 30 (FIG. Fig. 1 ), as symbolized by a hatched arrow 82.
  • the fan 68 is surrounded on the outside by two rotationally symmetrically arranged baffles 84, 86, which each form a spiral housing 88 or 90 with the outer circumference of the fan wheel.
  • the partition 74 which in Fig. 4 The spiral housings 88 and 90 seem to pass through, lies in this area in a different plane than the spiral housing, so that they are not obstructed.
  • the fan 68 conveys air from the chamber 76 into the volute 90 and further into an inlet chamber 92 formed in the interior of the outer wall unit, as symbolized by an arrow 94 shown in outline.
  • the supply air chamber 92 is up in Fig. 4 bounded by a partition wall 96.
  • the fan 68 promotes air from the chamber 78 in the spiral housing 88 and further into the passage 66, as symbolized by a hatched arrow 98.
  • the spiral housing 88 and 90 are rotated relative to the respective associated chambers 76 and 78 by a certain angle in the direction of rotation of the fan wheel, since the air sucked from the respective chamber 76 and 78 requires a certain time until it has crossed the blade ring 72 and on outside circumference of the fan wheel exits. In this way, a substantial separation of the symbolized by the arrows 80 and 94 air flow is achieved by the symbolized by the arrows 82 and 98 air flow.
  • FIG. 5 the outer wall device 26 is shown in a section. It can be seen the base plate 62 with the passage 64 and a base plate opposite this front plate 100, which forms a cuboid housing together with side walls 102 and not shown upper and lower walls.
  • the front panel 100 includes a portion of the outlet port 28 and a portion of the suction port 30. Other parts of the outlet port 28 and the suction port 30 are in the side walls 102 and the upper wall of the housing, not shown.
  • the volute casings 88 and 90 are closed by a plate 104 parallel to the base plate 62, but which leaves access to the chambers 76 and 78 free.
  • a filter 108 is installed, through which the air flowing from the passage 64 to the chamber 76 air is filtered.
  • Fig. 6 shows a view of the plate 104. It can be seen here that in this plate next to the filter 108, a heat exchanger 110 is installed through which the air from the fan from the chamber 78 in the supply air chamber 92 (FIG. Fig. 4 ), must pass before it reaches the outlet opening 28. This air is in the heat exchanger 110 in heat exchange with a liquid heat medium, such as water, which can be used in the cold season for heating the supply air and in the warm season for cooling the supply air.
  • a liquid heat medium such as water
  • Fig. 7 shows finally a front view of the outer wall device 26 with the outlet opening 28 and the suction port 30. Behind these openings not shown internals are arranged, which serve to equalize and distribute the air currents and sound insulation.
  • the partition 106 and a further partition wall 112 for separating the outlet opening 28 from the suction port 30 are shown in dashed lines.
  • the remaining cavities within the cuboid housing of the outer wall device are filled with not shown heat and sound insulating materials.
  • the above-described outer wall device operates as follows. In the normal ventilation mode, the outside air damper 58 and the exhaust air damper 50 are opened, and the fan 68 is driven so that outside air through the outside air opening 42, the passages 46 and 64 and the filter 108 is sucked into the chamber 76 (arrow 80). By the blade ring 72, this air is conveyed into the spiral housing 90 and further through the supply air chamber 92 and the heat exchanger 110 to the outlet port 28 (arrow 94) and discharged as supply air into the room.
  • the fan 68 When these blades then pass through the chamber 76, they release the heat to the intake air so that it enters the room preheated.
  • the fan 68 at the same time performs the function of a heat exchanger, with the part of the heat can be recovered from the exhaust air in the cold season. Accordingly, the fan wheel 68 operates in the warm season as a heat exchanger with which the supply air is pre-cooled before it is further cooled in the heat exchanger 110 by means of the cold, liquid heat medium.
  • the fan 68 and the partition 74 are configured and arranged, and the flow resistance of the connected flow channels including the filters, heat exchangers and other fittings are tuned so that when the fresh air and exhaust air flaps 58, 50 are fully open, the flow rates of supply air and the exhaust match, so that the device works pressure neutral.
  • the cuboid housing of the outer wall device 26 has dimensions of about 100 x 88 cm and can therefore be well accommodated in the parapet field 20 of the window front, as in Fig. 1 is shown.
  • the device has a comparatively small depth of about 35 cm. Since the device is also mounted directly on the installed instead of the glass in the profile frame 24 adapter plate 38, the device protrudes little into the room, so that the usable area of the room is hardly limited.
  • the suspended mounting on the adapter plate 38 also provides ground clearance, so that the floor can be easily cleaned under the outer wall unit.
  • the fan has a comparatively large diameter of about 40 cm. This allows a comparatively high air flow rate of about 460 m 3 / h with low noise pollution.
  • the window front may have a significantly larger number of axes than three and correspondingly a larger number of outer wall devices 26.
  • the temperature and velocity distribution of the air flowing into the room will also depend on which of the tilting windows 18 are open and which are closed.
  • the tilting windows 18 in the axes (12) are opened, in which there are no outer wall devices 26, which generally leads to a good mixing of the air flowing in via the tilting windows (arrows 36) with the supply air emitted by the outer wall devices.
  • an operation is conceivable in which conversely only the tilt windows are open, which are located directly above the outer wall devices (in the axes 10 and 14 in Fig. 1 ), which may cause the Comfort can be favorably influenced. It is also possible to open all windows.
  • the outer wall devices 26 are designed as source ventilation equipment in which the supply air is discharged at a low flow velocity over a relatively large area of the outlet openings 28, also modified embodiments are conceivable in which the outlet openings 28 and the intake openings 30 designed differently and are arranged.
  • the outlet openings 28 may be designed for impulse ventilation, in which the air is discharged at a higher flow rate in a smaller area and more directed into the room.
  • a symmetrical arrangement is conceivable in which the suction port 30 is located approximately in the middle of the device (or the upper edge of the same), while outlet openings 20 are located on both sides.
  • the suction port 30 is located approximately in the middle of the device (or the upper edge of the same)
  • outlet openings 20 are located on both sides.

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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)
  • Building Environments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Claims (5)

  1. Système de ventilation de pièce décentralisé comportant : au moins un appareil mural extérieur (26) pourvu de moyens de ventilation (68) et un dispositif d'installation pourvu d'une plaque d'adaptation (38) qui peut être insérée à la place d'une vitre dans un châssis à profilé (24) d'une façade vitrée, et qui comporte une ouverture d'aération extérieure (42) ainsi qu'une ouverture d'échappement d'air (44), et qui peut être montée de manière amovible sur l'appareil mural extérieur (26) de telle sorte qu'elle communique avec l'ouverture d'aération extérieure (42) et avec l'ouverture d'échappement d'air (44), caractérisé en ce que l'ouverture d'aération extérieure (42) et l'ouverture d'échappement d'air (44) peuvent être respectivement fermées par un clapet (50, 56) et les clapets (50, 56) comportent respectivement un entraînement par moteur électrique (56).
  2. Système de ventilation de pièce selon la revendication 1, dans lequel les clapets sont élastiquement préchargés dans la position fermée, de sorte qu'ils retournent dans la position fermée en cas d'entraînement sans courant.
  3. Système de ventilation de pièce selon la revendication 1 ou 2, dans lequel chaque clapet (50, 56) comporte deux lames de clapet (52, 54), dont l'une est agencée sur le côté intérieur et l'autre est agencée sur le côté extérieur de l'ouverture (44) associée, et est en contact avec le bord de cette ouverture, et les lames de clapet peuvent être réglées dans des plans parallèles au plan de la plaque d'adaptation (38) entre la position ouverte et la position fermée.
  4. Système de ventilation de pièce selon l'une des revendications précédentes, dans lequel la plaque d'adaptation (38) est formée comme un corps creux dont l'intérieur est en grande partie rempli d'un matériau thermiquement isolant (40).
  5. Système de ventilation de pièce selon la revendication 4, dans lequel l'ouverture d'aération extérieure (42) et l'ouverture d'échappement d'air (44) ont respectivement une section transversales circulaire et sont en appui dans une paroi extérieure du corps creux formant la plaque d'adaptation (38), tandis des passages (46, 48) associés sont formés dans une paroi intérieure du corps creux, et dans lequel les ouvertures d'alimentation et d'échappement d'air sont reliées aux passages (46, 48) par le biais de canaux creusés dans le matériau thermiquement isolant (40).
EP09013233.3A 2008-10-27 2009-10-20 Dispositif d'installation pour systèmes d'aération de pièces décentralisés Active EP2182300B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008014288U DE202008014288U1 (de) 2008-10-27 2008-10-27 Installationsvorrichtung für dezentrale Raumlüftungssysteme

Publications (3)

Publication Number Publication Date
EP2182300A2 EP2182300A2 (fr) 2010-05-05
EP2182300A3 EP2182300A3 (fr) 2013-03-20
EP2182300B1 true EP2182300B1 (fr) 2018-03-07

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EP09013233.3A Active EP2182300B1 (fr) 2008-10-27 2009-10-20 Dispositif d'installation pour systèmes d'aération de pièces décentralisés

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DE (1) DE202008014288U1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080139108A1 (en) * 2006-12-12 2008-06-12 Rogacki Zenon A "Air-Flow" a window air filter insert

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US2081104A (en) * 1935-07-16 1937-05-18 American Radiator Co Air circulating apparatus
US2787207A (en) * 1953-06-01 1957-04-02 Knapp Monarch Co Twin window fans
US2846936A (en) * 1955-06-13 1958-08-12 Gen Electric Window ventilator construction
FR1252900A (fr) * 1960-03-02 1961-02-03 Fenton Byrn & Company Ltd Dispositif d'aération
FR2318300A1 (fr) 1975-07-18 1977-02-11 Segic Element prefabrique d'isolation a rapporter sur une baie de batiment existante et procede de montage
US5190496A (en) * 1991-05-01 1993-03-02 Holmes Products Corp. Window fan
DE4143036A1 (de) 1991-12-24 1993-07-01 Otto Feyer Belueftungseinrichtung fuer raeume
DE4437849C2 (de) * 1994-10-24 1997-02-06 Ahlmann Aco Severin Verwendung und Ausbildung eines Dreh- und/oder Kippflügels
DE29807079U1 (de) * 1998-04-21 1998-08-20 Ribic, Harald, 44379 Dortmund Vorrichtung zur Geräuschdämpfung von Straßenlärm oder ähnlichem und Filterung von Pollen und Stäuben bei geöffneten Fenstern und Türen
DE10031420C2 (de) 2000-06-28 2003-04-17 Damgartener Tischler Gmbh Fenster mit Lüftungseinrichtung
EP1486637B1 (fr) 2003-06-12 2009-08-05 Lidartech Co., Ltd. Fenêtre avec dispositif de ventilation
FR2896855B1 (fr) 2006-01-31 2008-07-18 Aldes Aeraulique Sa Procede et systeme de ventilation d'une zone d'un batiment, et dispositif d'obturation d'une ouverture comprenant un tel systeme de ventilation
EP2042679A1 (fr) * 2007-09-28 2009-04-01 Paul Scherrer Institut Échangeur de chaleur pour une ouverture d'une fenêtre d'une bâtiment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080139108A1 (en) * 2006-12-12 2008-06-12 Rogacki Zenon A "Air-Flow" a window air filter insert

Also Published As

Publication number Publication date
DE202008014288U1 (de) 2010-04-01
EP2182300A2 (fr) 2010-05-05
EP2182300A3 (fr) 2013-03-20

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