EP0692084B1 - Appareil de refroidissement d'air ambiant - Google Patents

Appareil de refroidissement d'air ambiant Download PDF

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Publication number
EP0692084B1
EP0692084B1 EP94913235A EP94913235A EP0692084B1 EP 0692084 B1 EP0692084 B1 EP 0692084B1 EP 94913235 A EP94913235 A EP 94913235A EP 94913235 A EP94913235 A EP 94913235A EP 0692084 B1 EP0692084 B1 EP 0692084B1
Authority
EP
European Patent Office
Prior art keywords
chamber
air
partition wall
ceiling
wall
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
EP94913235A
Other languages
German (de)
English (en)
Other versions
EP0692084A1 (fr
Inventor
Morten Sandbakken
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.)
Stifab Farex AB
Original Assignee
Stifab Farex AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20389572&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0692084(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stifab Farex AB filed Critical Stifab Farex AB
Publication of EP0692084A1 publication Critical patent/EP0692084A1/fr
Application granted granted Critical
Publication of EP0692084B1 publication Critical patent/EP0692084B1/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/01—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station in which secondary air is induced by injector action of the primary air
    • 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
    • F24F13/072—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/56—Cooling being a secondary aspect

Definitions

  • the present invention refers to an apparatus of the false ceiling panel or profile type for self-circulation cooling of room air, comprising a chamber placed in the area of the ceiling of the room, said chamber being formed by wall sections arranged in the vertical and horizontal plane, which thereby close the chamber upwards and sideways, said chamber having respective inlet and outlet openings for the room air, separately placed at the lower part of the chamber in a horizontally wall section, means for supply of primary air and a cooling coil, wherein a vertically arranged partition wall extends in an upward direction from the lower wall section between the inlet and outlet openings and wherein said partition wall is connected to the cooling coil which is arranged on the outlet opening-side of the partition wall to delimit a part of the chamber closest to the outlet opening
  • the panels usually consist of a frame of metal profiles. These are constructed in such a way, and attached to a ceiling in such a way. that warm room air is admitted to flow vertically, upwards between the panels, whereafter this warm air is chilled by cooling coils in the panel, to sink downwards in the apparatus as a result of its increased density.
  • the panels or profiles produce a self-circulation of air, and a regulation of its temperature inside a room. They can be designed either for merely gravity flow or, as indicated above, in a combination with primary air supply.
  • a drawback with these self-circulation type panels is that dust and other particles, in time, are gathered on horizontal surfaces. Under certain circumstances, the panels or profiles can also cause formation of condensation fluid, which, in combination with the dust particles, can form a breeding ground for mould fungus. Cleaning of these surfaces usually involves dismounting of the false ceiling, which is both time-consuming and circumstantially. In such apparatuses using supply of primary air the air flow is enforced to partially avoid such problems, but instead draught problems can occur.
  • the purpose of the present invention is to provide an apparatus of the false ceiling panel or profile self-circulation type for cooling room air, in a special combination with a supply of primary air, which apparatus provides both an air outflow stream along the underside of the ceiling, which causes a minimum of draught, and which apparatus also presents minimal dust gathering surfaces and is easy to clean.
  • means for the supply of primary air are arranged so as to supply the primary air to the part of the chamber located closest to the outlet opening and so that the outgoing air through the outlet opening flows along the underside of the ceiling.
  • the apparatus shown in the figures comprises a chamber 14, defined by inclined wall sections 10, vertical wall sections 11 and horizontal upper and lower wall sections 12 respective 13.
  • the same reference numerals have been used for corresponding details in the four figures.
  • the chamber 14 can be of optional length, and is mounted in connection to a false ceiling 15, so that the inclined wall sections 10 connect to the underside of the false ceiling.
  • FIG. 1 shows the general principle and design of an apparatus belonging to the type false ceiling panel or profile system using self-circulation by means of only gravity flow, and, thus, without any means for the supply of primary air and the apparatus in Figure 1, consequently. does not form part of this invention.
  • the apparatus in Figure 1 has a vertical partition wall 16 which extends upwards from the lower wall section 13, to a level which is approximately equivalent to half the height of the chamber.
  • the upper edge of this partition wall 16 is connected to one side of a cooling coil 17, which comprises a large number of convection plates and cooling medium carrying pipes 18, which medium usually consists of water.
  • the cooling coil 17 extends obliquely upwards, toward the corner between the wall section 12 and one of the wall sections 11.
  • the cooling coil can in all apparatus of this type using this self-circulation principle also be arranged horizontally against the wall 11, or be standing vertically against the wall section 12.
  • a gap 19 between one edge of the lower wall section 13 and the left inclined wall section 10 forms an inlet opening to the chamber 14.
  • a gap 20 between the other edge of the lower wall section 13 and the right inclined wall section 10 forms in a corresponding way an outlet opening from the chamber 14.
  • Warmed-up room air enters the chamber 14 via the inlet gap opening 19, and passes the upper edge of the partition wall 16.
  • the air On exposure to the cooling coil 17, the air will be chilled to increase its density.
  • the air descends thereby at the right side of the partition wall 16, and passes out through the outlet gap opening 20.
  • the generated air flow is illustrated by the arrows 21. In this way, self-circulation of the room air is produced below the false ceiling 15.
  • FIG. 2 An apparatus according to the claimed invention is shown in Figure 2, in which the partition wall 16 is converted into a ventilation air duct 22, having spray nozzle openings 23 for the supply of primary air, as indicated by the horizontal arrow.
  • the primary air contributes to the air circulation through the cooling coil.
  • the primary air flow through the spray nozzle openings 23 is directed in such a way, that the air flows out along the underside of the false ceiling 15.
  • FIG. 3 A variant of the invention is shown in Figure 3, where the inlet gap openings 19 are placed centrally in the chamber wall 13.
  • a ventilation air duct 22 is placed centrally in the chamber 14.
  • Two partition walls 16 extend upwards from the chamber wall 13 on each outside of the duct 22.
  • a cooling coil 18 is placed in a passage between the respective partition wall 16 and the vertical wall sections 11 of the chamber 14.
  • the spray nozzle openings 23 extend from the duct 22, through respective partition wall 16, toward the gap openings 20.
  • FIG 4 An additional variant of the invention is shown in Figure 4, where centrally placed inlet gap openings 19 let the room air in between two partition walls 16, formed as ventilation air ducts 22 with spray nozzle openings 23.
  • a cooling element 18 is placed in a passage between the respective partition wall 16 and the vertical wall sections 11 of chamber 14.
  • All variants of the invention form a construction that is closed in relation to the space between the false ceiling and the floor structure, with inner surfaces which can be easily cleaned without dismounting the false ceiling.
  • the apparatus also forms a unit, which serves as a sound-absorbing baffle at the ceiling of the room, and which thereby can cooperate with other centrally placed units.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Duct Arrangements (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Building Environments (AREA)

Abstract

Appareil de refroidissement d'air ambiant, comprenant une chambre (14) située dans la surface du plafond (15) de la pièce, la chambre étant composée de parties parois (10-13) disposées dans le sens vertical et dans le plan horizontal, et qui délimitent ainsi la chambre vers le haut et latéralement. Cette dernière présente des ouvertures d'entrée et de sortie respectives (19, 20) destinées à l'air ambiant et placées séparément dans la partie inférieure de la chambre. L'appareil comprend également au moins un refroidisseur tubulaire (18). Au moins une paroi de séparation verticale (16) s'étend vers le haut à partir d'une partie paroi inférieure (13), cette partie étant démontable du reste de la chambre. La paroi de séparation définit une trajectoire d'écoulement, qui s'étend vers le haut à partir de l'ouverture d'entrée (19), le long d'un côté de ladite paroi (16) et au-delà de son extrémité supérieure, et redescend vers le bas, le long de l'autre côté de cette paroi (16), et vers l'ouverture de sortie (20). Le refroidisseur tubulaire (18) est disposé dans la trajectoire d'écoulement entre l'extrémité supérieure de la paroi de séparation et l'ouverture de sortie (20).

Claims (4)

  1. Appareil du type de panneau ou profilé de faux plafond, pour un refroidissement à circulation automatique de l'air d'un local, comprenant une chambre (14) placée dans la zone du plafond (15) du local, la chambre étant formée par des sections de parois (10-13) agencées dans des plans verticaux et horizontaux et qui ferment par cela la chambre vers le haut et sur les côtés, la chambre comportant des ouvertures d'entrée et de sortie (19, 20) respectives pour l'air du local, disposées de façon séparée à l'endroit de la partie inférieure de la chambre, dans la section de paroi horizontale inférieure (13), des moyens (22, 23) pour l'alimentation en air primaire, et un serpentin de refroidissement (18), dans lequel une paroi de séparation (16) agencée verticalement s'étend dans une direction vers le haut à partir de la section de paroi inférieure (13), entre les ouvertures d'entrée et de sortie (19, 20), et dans lequel la paroi de séparation (16) est reliée au serpentin de refroidissement (18) qui est agencé sur le côté de l'ouverture de sortie de la paroi de séparation (16) pour délimiter une partie de la chambre (14) la plus proche de l'ouverture de sortie (20), et dans lequel les moyens (22, 23) précités sont agencés de façon à alimenter l'air primaire vers la partie de la chambre (14) située le plus près de l'ouverture de sortie (20) et de façon à ce que l'air sortant, à travers l'ouverture de sortie (20), s'écoule le long du côté inférieur du plafond (15).
  2. Appareil du type de panneau ou profilé de faux plafond, pour un refroidissement à circulation automatique de l'air d'un local, comprenant une chambre (14) placée dans la zone du plafond (15) du local, la chambre étant formée par des sections de parois (10-13) agencées dans des plans verticaux et horizontaux et qui ferment par cela la chambre vers le haut et sur les côtés, la chambre comportant des ouvertures d'entrée et de sortie (19, 20) respectives pour l'air du local, disposées de façon séparée à l'endroit de la partie inférieure de la chambre, dans la section de paroi horizontale (13), des moyens (22, 23) pour l'alimentation en air primaire, et deux ou plusieurs serpentins de refroidissement (18), dans lequel deux ou plusieurs parois de séparation (16) agencées verticalement s'étendent dans une direction vers le haut à partir des sections de parois inférieures (13), entre les ouvertures d'entrée et de sortie (19, 20), et dans lequel les parois de séparation (16) sont reliées aux serpentins de refroidissement (18) qui sont agencés sur les côtés de l'ouverture de sortie des parois de séparation (16) pour délimiter une partie de la chambre (14) la plus proche de l'ouverture de sortie (20), et dans lequel les moyens (22, 23) précités sont agencés de façon à alimenter l'air primaire vers les parties de la chambre (14) situées le plus près des ouvertures de sortie (20) et de façon à ce que l'air sortant, à travers les ouvertures de sortie (20) s'écoule le long du côté inférieur du plafond (15).
  3. Appareil suivant la revendication 1 ou 2, caractérisé en ce que la ou les parois de séparation (16) sont conçues sous la forme d'un conduit de ventilation (22), au moins une ouverture (23) d'ajutage de dispersion constituant les moyens (22, 23) précités.
  4. Appareil suivant la revendication 1 ou 2, caractérisé en ce que la chambre (14) a une forme oblongue et est montée horizontalement dans un espace entre une structure de plancher et un faux plafond (15), des sections de parois (10) se raccordant à une ouverture dans le faux plafond.
EP94913235A 1993-04-14 1994-04-14 Appareil de refroidissement d'air ambiant Expired - Lifetime EP0692084B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9301237 1993-04-14
SE9301237A SE9301237L (sv) 1993-04-14 1993-04-14 Anordning för kylning av rumsluft
PCT/SE1994/000326 WO1994024491A1 (fr) 1993-04-14 1994-04-14 Appareil de refroidissement d'air ambiant

Publications (2)

Publication Number Publication Date
EP0692084A1 EP0692084A1 (fr) 1996-01-17
EP0692084B1 true EP0692084B1 (fr) 1999-03-03

Family

ID=20389572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94913235A Expired - Lifetime EP0692084B1 (fr) 1993-04-14 1994-04-14 Appareil de refroidissement d'air ambiant

Country Status (8)

Country Link
EP (1) EP0692084B1 (fr)
AU (1) AU6547094A (fr)
DE (1) DE69416827T2 (fr)
DK (1) DK0692084T3 (fr)
FI (1) FI109725B (fr)
NO (1) NO301300B1 (fr)
SE (1) SE9301237L (fr)
WO (1) WO1994024491A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610518C1 (de) * 1996-03-18 1997-06-26 Thermosoft Klimatechnik Gmbh Kühlvorrichtung
SE516349C2 (sv) * 1996-08-26 2001-12-17 Stifab Farex Ab Anordning för kylning av rumsluft
NL1004187C2 (nl) * 1996-10-03 1998-04-06 Luchttechnisch Adviesbureau Ev Convector.
WO1999024761A2 (fr) * 1997-11-06 1999-05-20 Nerling Gmbh Systemräume Dispositif de climatisation de locaux techniques, notamment de salles de mesure
SE523206C2 (sv) 1998-11-05 2004-04-06 Teknoterm Climate Ab Luftkonditioneringsanordning för undertaksplacering innefattande värmeväxlare
SE9900214L (sv) * 1999-01-26 2000-07-27 Stifab Farex Ab Anordning för takmontage för ventilation och samtidig kylning eller värmning av lokaler
DE19934886C1 (de) * 1999-07-24 2001-03-01 Krantz Tkt Gmbh Deckenkonvektor
FR2887324B1 (fr) * 2005-06-15 2007-08-10 J F Cesbron Holding Sa Soc Installation de climatisation, notamment d'allees s'etendant entre deux gondoles refrigerees
GB2492310B (en) * 2011-05-20 2017-03-01 Frenger Systems Ltd Improvements in or relating to air conditioning modules
KR200463037Y1 (ko) 2012-04-04 2012-10-16 (주)플랙트우즈코리아 공조기 시스템

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL283865A (fr) * 1961-10-03
US3833057A (en) * 1972-06-14 1974-09-03 R Doherty Induced air cooling and heating system
DE2328186C2 (de) * 1973-06-02 1982-11-25 Ltg Lufttechnische Gmbh, 7000 Stuttgart Induktionsgerät
US4397157A (en) * 1977-01-03 1983-08-09 Sure Air Limited System for conditioning air of an internal space
AU542354B2 (en) * 1981-10-21 1985-02-21 Mitsubishi Denki Kabushiki Kaisha Ceiling mounted air conditioner
FR2560361B3 (fr) * 1984-02-24 1987-07-10 Bouton Daniel Generateur d'air conditionne
FI94800C (fi) * 1992-09-25 1999-04-21 Halton Oy Ilmastointilaite ja ilmastointimenetelmä

Also Published As

Publication number Publication date
NO954084L (no) 1995-10-13
FI954820A (fi) 1995-10-10
WO1994024491A1 (fr) 1994-10-27
FI954820A0 (fi) 1995-10-10
AU6547094A (en) 1994-11-08
FI109725B (fi) 2002-09-30
DK0692084T3 (da) 1999-10-04
NO301300B1 (no) 1997-10-06
DE69416827T2 (de) 1999-07-08
SE9301237L (sv) 1994-10-15
NO954084D0 (no) 1995-10-13
EP0692084A1 (fr) 1996-01-17
SE9301237D0 (sv) 1993-04-14
DE69416827D1 (de) 1999-04-08

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