EP0468091B1 - Méthode pour la fabrication et l'installation de sorties d'air - Google Patents

Méthode pour la fabrication et l'installation de sorties d'air Download PDF

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Publication number
EP0468091B1
EP0468091B1 EP90122115A EP90122115A EP0468091B1 EP 0468091 B1 EP0468091 B1 EP 0468091B1 EP 90122115 A EP90122115 A EP 90122115A EP 90122115 A EP90122115 A EP 90122115A EP 0468091 B1 EP0468091 B1 EP 0468091B1
Authority
EP
European Patent Office
Prior art keywords
perforated plate
air outlet
rectifier
rear wall
transverse slots
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
Application number
EP90122115A
Other languages
German (de)
English (en)
Other versions
EP0468091A1 (fr
Inventor
Gottfried Müller
Paul Hipp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schako KG
Original Assignee
Schako Metallwarenfabrik Ferdinand Schad KG
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Filing date
Publication date
Application filed by Schako Metallwarenfabrik Ferdinand Schad KG filed Critical Schako Metallwarenfabrik Ferdinand Schad KG
Publication of EP0468091A1 publication Critical patent/EP0468091A1/fr
Application granted granted Critical
Publication of EP0468091B1 publication Critical patent/EP0468091B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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 spring outlet from a round or square frame tube with at least one spring outlet grille, and to a method for its production.
  • Swell outlets are understood to mean those air supply elements which generally consist of a round or angular supply pipe, in the wall of which simple lamellae or slotted gratings are normally used. Such pipes are also drawn from a ceiling to the floor, for example, so that this floor itself forms the end of the feed system. The backflow of air then causes the supply air to escape through the corresponding slotted or louvre grilles into a room.
  • DE-A 36 05 539 discloses a device for supplying a largely uniform air flow into a room with a perforated plate, in front of which a cloth made of a fine fabric is arranged. This cloth has an even effect on the air flow exiting through the perforated plate.
  • a perforated plate together with the cloth is inserted into a groove in a frame and does not form an independent installation part.
  • the air flow hits the back of the perforated plate directly, so that there is strong turbulence on the outlet side of the perforated plate. This turbulence must be evened out by the cloth.
  • This device is unsuitable for deflecting an air flow from a conveying direction within a frame tube through a perforated plate arranged in the conveying direction.
  • the inventor has set itself the goal of improving and in particular making the air outlet both the manufacture and the assembly of such air outlets less expensive.
  • the source outlet grille consists of a perforated plate connected to a cover frame and a rectifier, which consists of a rear wall provided with transverse slots with a bevelled side strip and cover strip, via which the rear wall is held at a distance from the perforated plate and connected is.
  • the main advantage of the invention is that it is no longer necessary to send entire source outlets in the dimensions mentioned above, but that For example, ventilation pipes for existing ventilation ducts are pulled down either in a square or round shape to the desired distance from the floor, and corresponding openings are cut out of these ventilation ducts or frame tubes, into which the standard source outlet grilles are then inserted.
  • the source outlet grille is prefabricated from a perforated plate and a rectifier. Since the hole should be surrounded by a cover frame, it has proven to be advantageous to bend the corresponding cover frame from the perforated plate.
  • this cover frame is used to fix the source outlet grille to the frame tube, the fixing being done by rivets or screws.
  • transverse slots are punched out of a rear wall, the punching then taking place in such a way that lamellae bent out of the transverse slots remain as rectifiers. This significantly simplifies production. Side strips or upper and lower cover strips are then folded from the rear wall, via which the rectifier is connected to the cover frame or the perforated plate to form an entire source outlet grille.
  • the connection can be made by riveting, welding, gluing or the like.
  • source outlet grilles with a height of 65 mm, 115 mm, 215 mm and 315 mm and a length of 425 mm, 625 mm, 825 mm, 1025 mm and 1225 mm can be produced.
  • intermediate sizes are also conceivable.
  • source outlet grilles can then be inserted directly into round or square frame tubes, a plurality of such source outlet grilles generally being used. If, for example, a frame tube has a larger diameter, for example 1250 mm, several source outlet grilles (4 to 8 pieces) can be used in succession or radially. Depending on the requirements, the use of appropriate source outlet grilles can influence the air jet guidance, for example from an omnidirectional jet to a jet directed in a single direction.
  • the rectifier is not designed as a uniform rectangular box, but has an incline from an upper cover strip to a lower cover strip. This is guaranteed by a correspondingly different width of the cover strips. This creates a certain cross-sectional constriction in the interior of the frame tube, so that the air is somewhat stowed and the outlet of the supply air through the rear wall or the perforated plate is facilitated.
  • the source outlet grille can be made of aluminum, plastic or the like or can be supplied in a galvanized version. But there is also the option of painting them after installation.
  • a source outlet Q1-Q4 consists of a round or rectangular frame tube 1 or 2, which each enclose an interior space I. These pipes are not shown connected to corresponding air supply systems.
  • Source outlet grilles 3a - 3d are provided for discharging supply air into a room and are inserted into the corresponding frame tubes 1 and 2, respectively.
  • a cover frame 4a or 4b strikes the frame tube 1 or 2 from the outside.
  • the cover frame 4 encloses a perforated plate 5.
  • holes 6 can be seen for receiving rivets, for example, with which the cover frame 4 is connected to the frame tube 1 or 2.
  • the perforated plate 5b and the cover frame 4b can be flat, as shown in the lower figure in Figure 3.
  • the perforated plate 5a can also have a curvature based on the frame tube 1.
  • the end edges of the cover frame 4a are then also curved accordingly.
  • the side strips of the cover frame 4a remain elongated.
  • a rectifier 7 is attached to the cover frame 4 or the perforated plate 5 from the interior I.
  • This rectifier 7 consists of a peripheral frame with side strips 8 and an upper cover strip 9 and a lower cover strip 10. As can be seen in FIG. 3, the upper cover strip and the lower cover strip 9 or 10 naturally adapt to the curvature of the perforated plate 5a.
  • transverse slots 12 are assigned inwards, ie in the area of the peripheral frame, lamellae 13, which serve in particular to rectify the air flow.
  • a lower cover strip 10a is wider than the upper cover strip 9. This results in a certain adjustment of the slats 13 relative to the perforated plate 5, so that an obliquely directed air flow from the perforated plate 5 can leak. Furthermore, the cross section of the interior I is narrowed by such a source outlet grille 3b or 3d, so that a certain air jam occurs and the air is forced through the transverse slots 12. This can help improve airflow.
  • a filter mat 14 in front of the perforated plate 5, as is only indicated by way of example in FIG. 4.
  • This filter mat 14 is used both for air filtering and an additional rectification. However, this is not absolutely necessary due to technical requirements.
  • Such source outlet grille 3 can be used directly in round or square frame tubes 1 and 2, with the use of several source outlet grille 3 is intended, as is shown in particular in Figure 6-9.
  • a large number of such source outlet grids 3 can also be arranged in succession in the longitudinal direction of the frame tubes 1 or 2. They can also be arranged in such a way that an air jet emerges to one side or all around, so that omnidirectional radiation is achieved. However, it may also be sufficient if the radiation is only semicircular due to the corresponding arrangement of the source outlet grids 3.
  • Such source outlets Q are manufactured and installed as follows:
  • the source outlet grille 3 preferably consists of two parts, namely the perforated plate 5 with cover frame 4 and the second from the rectifier 7.
  • Perforated plate 5 and cover frame 4 are preferably formed from one piece, punching out the holes in the perforated plate 5 and a Folding the cover frame 4.
  • the corresponding holes 6 for the fastening means on the frame tubes 1 and 2 are produced from the cover frame 4.
  • the rectifier 7 is also made from one piece.
  • the transverse slots 12 are punched out of the rear wall 11, which is done in that the punching is carried out in such a way that the slats 13 can be bent backwards at the same time.
  • narrow webs 15 are also attached to the slats 13, as is only indicated in FIG. 2. This means that the supply air is evenly distributed over the entire grille area.
  • the existing ventilation ducts or their frame tubes 1 and 2 are pulled down to the desired distance from the floor. From these frame tubes 1 and 2 then need only according to the dimensions of the source outlet grille 3rd Openings are cut into which these source outlet grids 3 are inserted.
  • the source outlet grille 3 is fixed, for example, by appropriate rivets which penetrate the holes 6.
  • the grids 3 can also be inserted into the round or angular frame tubes 1 or 2 by means of cross beams.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Air Bags (AREA)
  • Compressor (AREA)

Claims (7)

  1. Bouche de soufflage montée sur un cadre en gaine tubulaire circulaire ou polygonale et portant au moins une grille de soufflage, caractérisée en ce que cette grille (3) comprend une tôle perforée (5) associée à un cadre de recouvrement (4), ainsi gu'un redresseur (7) constitué d'une paroi arrière (11) percée de fentes (12) et dont les bords latéraux (8), supérieur et inférieur (9, 10) sont rabattus de manière à relier la paroi arrière (1) à la tôle perforée (5), avec un certain espacement.
  2. Bouche de soufflage selon la revendication 1, caractérisée en ce que des lamelles (13) associées aux fentes transversales (12), partent de la paroi arrière (11) en direction de la tôle perforée (5).
  3. Bouche de soufflage selon la revendication 2, caractérisée en ce que des barrettes étroites (15) sont montées sur les lamelles (13).
  4. Bouche de soufflage selon au moins une des revendications 1 à 3, caractérisée en ce que le bord de recouvrement inférieur (10) est plus large que le bord de recouvrement supérieur (9).
  5. Bouche de soufflage selon au moins une des revendications 1 à 4, caractérisée en ce gu'une natte filtrante (14) est placée sur la face de la tôle perforée (5) en regard du redresseur (7).
  6. Procédé de fabrication et de montage selon au moins une des revendications 1 à 5, caractérisé en ce que l'on assemble une tôle perforée (5) et un redresseur (7) à une grille de la bouche de soufflage (3) et que tandis que pour réaliser le redresseur (7) on place les fentes transversales (12) dans une paroi arrière (11) dont on rabat les bords latéraux (8), supérieur et inférieur (9, 10) qui maintiennent son espacement par rapport à la tôle perforée (5), on place cette grille dans une découpe pratiquée dans la gaine (1, 2) aux dimensions de la grille et on la fixe à cette gaine au moyen d'un cadre de recouvrement (4) entourant au moins partiellement la tôle perforée (5) de manière que le cadre soit appliqué sur la gaine (1, 2) et que le redresseur (7) soit logé à l'intérieur (I) de la gaine (1, 2).
  7. Procédé selon la revendication 6, caractérisé en ce que pour fabriquer le redresseur (7), on réalise les fentes transversales (12) par une opération d'estampage à la suite de laquelle les lamelles formées par rabattement à partir des fentes (12) constituant le redresseur.
EP90122115A 1990-07-21 1990-11-20 Méthode pour la fabrication et l'installation de sorties d'air Expired - Lifetime EP0468091B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4023227A DE4023227A1 (de) 1990-07-21 1990-07-21 Verfahren zum herstellen und montieren von luftauslaessen
DE4023227 1990-07-21

Publications (2)

Publication Number Publication Date
EP0468091A1 EP0468091A1 (fr) 1992-01-29
EP0468091B1 true EP0468091B1 (fr) 1994-10-26

Family

ID=6410754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122115A Expired - Lifetime EP0468091B1 (fr) 1990-07-21 1990-11-20 Méthode pour la fabrication et l'installation de sorties d'air

Country Status (4)

Country Link
EP (1) EP0468091B1 (fr)
AT (1) ATE113366T1 (fr)
DE (2) DE4023227A1 (fr)
ES (1) ES2064588T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303289U1 (fr) * 1993-03-06 1993-05-27 "Schako" Metallwarenfabrik Ferdinand Schad Kg, 7201 Kolbingen, De
DE9411068U1 (de) * 1994-07-05 1994-11-10 Schako Metallwarenfabrik Quellauslaß
DE19626885C2 (de) * 1996-07-04 2000-11-23 Schako Metallwarenfabrik Luftauslaß

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE330433B (fr) * 1966-02-07 1970-11-16 Svenska Flaektfabriken Ab
SE7810734L (sv) * 1978-10-13 1980-04-14 Lind Leif Ingemar Flodesfordelningsdon samt tilluftskerm forsedd med sadant don
DE3605539A1 (de) * 1986-02-18 1987-08-20 Herbst Donald Vorrichtung zum zufuehren eines luftstroms in einen raum

Also Published As

Publication number Publication date
DE4023227A1 (de) 1992-01-23
ATE113366T1 (de) 1994-11-15
ES2064588T3 (es) 1995-02-01
EP0468091A1 (fr) 1992-01-29
DE59007571D1 (de) 1994-12-08

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