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WO1998008030A1 - Dispositif pour rafraichir l'air ambiant - Google Patents

Dispositif pour rafraichir l'air ambiant Download PDF

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Publication number
WO1998008030A1
WO1998008030A1 PCT/EP1996/003658 EP9603658W WO9808030A1 WO 1998008030 A1 WO1998008030 A1 WO 1998008030A1 EP 9603658 W EP9603658 W EP 9603658W WO 9808030 A1 WO9808030 A1 WO 9808030A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling device
cooling
room
components
ceiling
Prior art date
Application number
PCT/EP1996/003658
Other languages
German (de)
English (en)
Inventor
Mourtada Bsata
Original Assignee
Mourtada Bsata
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
Priority to DE19504931A priority Critical patent/DE19504931C2/de
Application filed by Mourtada Bsata filed Critical Mourtada Bsata
Priority to PCT/EP1996/003658 priority patent/WO1998008030A1/fr
Publication of WO1998008030A1 publication Critical patent/WO1998008030A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/02—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F24F5/0092—Systems using radiation from walls or panels ceilings, e.g. cool ceilings

Definitions

  • the invention relates to a cooling device for cooling and dehumidifying room air with a heat exchanger arranged in the ceiling area of a room.
  • a cooling device which comprises a heat exchanger device, referred to as an air conditioner, which is housed within a system of linearly extending profile elements arranged along one side of a room in the ceiling area. Air inlet and air outlet openings are provided in the profile elements, through which room air to be cooled can reach the heat exchanger device or through which cooled room air can leave the cooling device again.
  • cooled room air "falls" down on one side of the room and there is a constant flow of cold air in the room, which is perceived as uncomfortable by people who are in the room and often increases Colds leads. Since the
  • Cooling device is provided only in a relatively small area of the room, the cooled air emerging from the cooling device must be relatively cold to the temperature in the entire room to one
  • circulation devices are provided in addition to air purification devices, which are also housed within the linear system of profile elements and draw off room air via lines from the opposite wall-side ceiling area and feed them to the heat exchanger device.
  • the heat exchanger device is limited to an even smaller area, and the flow of cold air from the heat exchanger device downward and along the floor of the room will be even more pronounced.
  • the document does not show how the heat exchanger device is designed, ie in what way and where the cooling capacity is obtained, and how the heat extracted from the room air is removed from the room.
  • Cooling devices are also known in which the cooling capacity is provided in a cooling center and the air conditioning of a large number of rooms takes place by supplying cooled air from the cooling center to the rooms. With such air conditioning, the above-described disadvantage in the form of a cold air flow is at least as evident as in the cooling device described in EP 0 501 473 A2.
  • the present invention has for its object to provide a cooling device of the type described above, in which the disadvantages described do not occur, and which is suitable for use in rooms of any size and any cut.
  • the cooling device should also be easy and economical to install and, in particular. Trouble-free, operable.
  • this object is achieved in that the heat exchanger of the generic cooling device comprises a cooling element through which a cooling medium can flow, with planar exchanger elements which are substantially uniformly distributed over the ceiling area of the room area to be cooled.
  • Cooling element are connected, an effective cooling of the air passing by the exchanger elements is achieved.
  • the essentially uniform arrangement of the exchanger elements should be understood to mean that the exchanger elements are located above the area to be cooled, in particular. extend in the entire ceiling area of a room and are not only arranged in a relatively small room or ceiling area like the heat exchanger device of the known cooling device mentioned at the outset. Due to the essentially uniform arrangement of the exchanger elements, there is no unpleasant or even fan-induced flow of cold air, but instead a natural convection of rising warm air and sinking cooled air occurs in the area to be air-conditioned.
  • the cooling medium flowing through the cooling element can be a cooling liquid tempered outside the room.
  • the cooling element with the flat exchanger elements is preferably formed by a flow-through line with heat exchanger plates which are connected to the line with good thermal conductivity.
  • Heat exchanger plates cover the area to be cooled area-wide, while the flow-through line is arranged only in the area of the walls, for example all around, an embodiment is preferred in which the line is also above the area to be cooled
  • the cooling element in the form of a plurality of sub-elements which can be assembled with one another and which are preferably accommodated in a plurality of housing-like components to be provided in the ceiling area.
  • such a component has a bottom wall forming the visible side of the ceiling, which can also include decorative elements.
  • a bottom wall forming the visible side of the ceiling, which can also include decorative elements.
  • an opening for the entry of rising warm air is provided between the components, and one or more openings are provided in the bottom wall of the components for the exit of sinking cooled room air. Rising and sinking air less hindrance then, which leads to more effective air conditioning of the room.
  • the inlet openings delimit an inlet duct which extends at least almost to the ceiling of the room, so that the rising warm air can pass through the inlet duct almost to the ceiling of the room and can then be deflected to the sides and can be fed to the plate-shaped exchanger elements in their upper region.
  • the outlet openings are delimited by edges which are bent upward in the manner of a collar in the bottom wall. Condenser water formed within the components cannot then enter the room through the air outlet openings.
  • the bottom wall is advantageously liquid-tight and has a slight slope.
  • a discharge channel is preferably provided within a component, into which the condensation water formed within the component can be introduced via the slope. Due to the dehumidification of the room air through the formation of condensation on the exchanger elements, the room air is cleaned of particle dirt according to the effect of natural rain, without the need for air filters.
  • the components arranged in series for draining condensed water are connected to one another in terms of flow via their drain channels.
  • Tilt angle is adjustable in a first direction and that in particular for draining condensed water in the drain channel.
  • a slight inclination angle in a second direction can be set through several components.
  • the setting of the angle of inclination is preferably carried out via changeable actuators, which advantageously also form fastening means for fastening the components in the ceiling area.
  • the cooling device has proven to be particularly advantageous to design the cooling device to have multiple circuits, so that two or more groups of cooling elements or components can be operated alternately.
  • This has the advantage that the components which become moist during operation due to the condensation water formed on the exchanger elements can be switched off and dried off after a certain operating time. This prevents mold and putrefaction.
  • Figure 1 is a perspective view of a room with a cooling device according to the invention.
  • FIG. 2 shows a partial view of the cooling device according to FIG. 1 on an enlarged scale with convection conditions indicated by arrows;
  • Fig. 3 is a sectional view of two, one
  • Assembly unit of connected components shows a perspective view of a component used in the cooling device
  • FIG. 5 shows a schematic illustration of the arrangement of a cooling device according to the invention in the ceiling area of a room
  • Fig. 6 is an enlarged detail view of that indicated by a broken line in Fig. 5
  • Fig. 7 is a perspective view of a
  • Fig. 8 is a schematic representation of the two-circuit piping of the cooling device shown in Fig. 5.
  • Fig. 1 shows a room 2 with a cooling device according to the invention which is arranged in the ceiling area 4 and is designated overall by the reference number 6.
  • Cooling device 6 has a number of linearly extending cooling elements 8, which comprise a line 10 through which a cooling medium can flow and a plurality of exchanger elements 11 in the form of heat exchanger plates 12 connected to line 10.
  • the cooling elements 8 are in a plurality of components 14 arranged in pairs next to and behind one another added, which are fastened to the ceiling of the room 2 by fastening devices 16.
  • a component 14 shown in FIG. 4 in a perspective view comprises, as can best be seen from FIGS. 2 and 3, a housing body which is open to one side and comprises an upper wall 18, a side wall 20 and a bottom wall 22 which are bent from a sheet.
  • the top wall 18 and side wall 20 form an angle of slightly more than 90 ° and the plane of the bottom wall 22 forms an angle of slightly less than 90 ° with the side wall 20.
  • the housing body has at its longitudinal ends an end wall 24 or 26 connecting the three walls in a liquid-tight manner.
  • the line 10 penetrates the end walls 24 and 26 approximately in the middle.
  • the transition region between the side wall 20 and the bottom wall 22 forms a channel 28 which opens through the end walls 24 and 26 into a connecting piece 30 (FIGS. 4 and 6).
  • the bottom wall 22 forms a slight slope in the direction of the channel 28.
  • Air inlet openings 32 are formed in the bottom wall 22 of each component 14, the shape of which can best be seen in FIG. 6, which shows a detailed representation of the area of the cleaning device 10 shown by the broken line in FIG. 5.
  • the components 14 with the line 10 and the heat exchanger plates 12 are to form the
  • the cooling device 6 in FIG. 1 is arranged so that the channels 28 form a slight slope, indicated by the arrows 34 in FIG. 5. Furthermore, the components are arranged so that a line 36 into which the channels 28 open, has a slight slope in the direction of arrow 38 in Figure 5. The line 36 opens into an indicated drain line 40.
  • a connection 42 for supplying cooling medium, which can be connected to a line 10 and a connection 44 for discharging the cooling medium flowing back from the lines 10 are also indicated.
  • the fastening element 16 consists of a ceiling strip 46 to be screwed to the ceiling, an upper actuator 50, which is height-adjustable by means of a threaded spindle 48, and a lower, height-adjustable actuator 52.
  • the upper actuator 50 has an essentially guader-shaped body 54 with two from its opposite sides 56 and 58 projecting threaded bolts 60 and 62, respectively.
  • the threaded bolts 60, 62 are passed through openings provided at an appropriate height in the side walls 20 of the components 14 and the components 14 by means of sleeve nuts 64 and 66 on the
  • Actuator 50 mounted with a game recognizable from FIG. 3. Without the actuator 52, the components 14 thus assembled would rest against one another with their side walls 20 in the region of their channels 28. While the threaded bolts 60, 62 and the position of the sleeve nuts 64, 66 for
  • the heat exchanger plates 12 extend at least almost to the bottom wall 22 in order to be able to drain water condensed on the heat exchanger plates 12 onto the bottom wall 22 without producing any irritating dripping noises.
  • the outlet openings 32 are delimited by edge regions 72 bent upward in a collar-like manner and the heat exchanger plates 12 are arranged between the air outlet openings 32.
  • a drip tray is provided between the heat exchanger plates 12 and below the line 10, via which water dripping from the line 10 can be collected and passed to a heat exchanger plate. The drip gutter prevents the line 10 from
  • Condensed water can get into the room 2 through the air outlet openings 32.
  • cooling medium for example in the form of water at a temperature of 12 to 18 ° C.
  • the lines 42 (FIG.) Because of the good thermal connection of the heat exchanger plates 12 to a respective line 10 of a component 14, the heat exchanger plates 12 and the room air located in the area of the heat exchanger plates 12 are cooled.
  • the air cooled in this way drops in the direction of that in FIG. 2 arrows shown through the air outlet openings 32 downwards, and air will pass between two pairs of components 14 through air inlet openings 74 into the area between the two groups of components 14 and, as shown in FIG. 2, from above in the components 14 to the
  • FIG. 8 a two-circuit connection option is that shown in FIG. 5
  • Cooling device shown By two-circuit connection of the lines 10, it is possible to operate one half of the cooling elements 8, for example the cooling elements of a pair of cooling elements arranged on the left in FIG. 5, while the cooling elements arranged on the right are out of operation and can dry out in the meantime. By alternating operation of one or the other group of cooling elements, mold formation or fungal growth within the components 14 can be effectively prevented.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention concerne un dispositif s'utilisant pour rafraîchir et déshumidifier l'air ambiant, qui comprend un échangeur de chaleur monté dans la zone du plafond d'une pièce. Afin de perfectionner ledit dispositif, de manière à éviter la formation de courants d'air chauds perçus comme étant désagréables, il est prévu selon l'invention que le dispositif se présente de sorte que l'échangeur de chaleur comprenne un élément de refroidissement (8) muni d'éléments échangeurs (11) plans répartis sensiblement uniformément sur la zone du plafond (4) de la pièce (2) à rafraîchir. Un milieu refroidisseur peut circuler à travers ledit élément de refroidissement (8).
PCT/EP1996/003658 1995-02-15 1996-08-21 Dispositif pour rafraichir l'air ambiant WO1998008030A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19504931A DE19504931C2 (de) 1995-02-15 1995-02-15 Einrichtung zur Kühlung und Entfeuchtung von Raumluft
PCT/EP1996/003658 WO1998008030A1 (fr) 1995-02-15 1996-08-21 Dispositif pour rafraichir l'air ambiant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19504931A DE19504931C2 (de) 1995-02-15 1995-02-15 Einrichtung zur Kühlung und Entfeuchtung von Raumluft
PCT/EP1996/003658 WO1998008030A1 (fr) 1995-02-15 1996-08-21 Dispositif pour rafraichir l'air ambiant

Publications (1)

Publication Number Publication Date
WO1998008030A1 true WO1998008030A1 (fr) 1998-02-26

Family

ID=26012443

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/003658 WO1998008030A1 (fr) 1995-02-15 1996-08-21 Dispositif pour rafraichir l'air ambiant

Country Status (2)

Country Link
DE (1) DE19504931C2 (fr)
WO (1) WO1998008030A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2342985A (en) * 1998-10-20 2000-04-26 Oscar Faber Group Limited Airgrid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006061801B4 (de) * 2006-12-21 2008-10-16 Rehau Ag + Co. Verfahren zum Kühl- oder Heizbetrieb eines Systems zur Regelung einer Innentemperatur mindestens eines Raumes eines Gebäudes
EP1959207A1 (fr) * 2007-02-14 2008-08-20 MWH Barcol-Air AG Couverture climatisée et son procédé de fonctionnement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002053A1 (fr) * 1987-08-31 1989-03-09 Novenco Ab Dispositif de chauffage ou de refroidissement
WO1991013294A1 (fr) * 1990-02-24 1991-09-05 Koester Helmut Agencement de chauffage et de refroidissement, en particulier sous forme d'une structure suspendue d'un plafond
WO1993004322A1 (fr) * 1991-08-20 1993-03-04 Koester Helmut Systeme de refroidissement
EP0555494A1 (fr) * 1991-10-30 1993-08-18 Uwe Klix Radiateur avec gaine d'air

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273920A (ja) * 1991-02-28 1992-09-30 Hitachi Ltd 空気調和システム
ES2124293T3 (es) * 1993-08-06 1999-02-01 Sulzer Infra Management Servic Procedimiento de acondicionamiento para el interior de un edificio.
DE9400738U1 (de) * 1994-01-18 1994-03-10 H. Krantz-Tkt Gmbh, 51465 Bergisch Gladbach Konvektives Kühlelement
DE9412349U1 (de) * 1994-07-30 1994-10-06 H. Krantz-Tkt Gmbh, 51465 Bergisch Gladbach Kühldecke

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002053A1 (fr) * 1987-08-31 1989-03-09 Novenco Ab Dispositif de chauffage ou de refroidissement
WO1991013294A1 (fr) * 1990-02-24 1991-09-05 Koester Helmut Agencement de chauffage et de refroidissement, en particulier sous forme d'une structure suspendue d'un plafond
WO1993004322A1 (fr) * 1991-08-20 1993-03-04 Koester Helmut Systeme de refroidissement
EP0555494A1 (fr) * 1991-10-30 1993-08-18 Uwe Klix Radiateur avec gaine d'air

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2342985A (en) * 1998-10-20 2000-04-26 Oscar Faber Group Limited Airgrid

Also Published As

Publication number Publication date
DE19504931C2 (de) 2002-06-13
DE19504931A1 (de) 1996-08-22

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