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EP1422481B1 - Convecteur pour plafond - Google Patents

Convecteur pour plafond Download PDF

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Publication number
EP1422481B1
EP1422481B1 EP02025895A EP02025895A EP1422481B1 EP 1422481 B1 EP1422481 B1 EP 1422481B1 EP 02025895 A EP02025895 A EP 02025895A EP 02025895 A EP02025895 A EP 02025895A EP 1422481 B1 EP1422481 B1 EP 1422481B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
ceiling
ceiling convector
convector
air
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
EP02025895A
Other languages
German (de)
English (en)
Other versions
EP1422481A1 (fr
Inventor
Detlef Dipl.-Ing. Makulla
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.)
M+W Zander Gebaeudetechnik GmbH
Original Assignee
M+W Zander Gebaeudetechnik GmbH
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
Application filed by M+W Zander Gebaeudetechnik GmbH filed Critical M+W Zander Gebaeudetechnik GmbH
Priority to EP02025895A priority Critical patent/EP1422481B1/fr
Priority to DE50209367T priority patent/DE50209367D1/de
Priority to AT02025895T priority patent/ATE352755T1/de
Publication of EP1422481A1 publication Critical patent/EP1422481A1/fr
Application granted granted Critical
Publication of EP1422481B1 publication Critical patent/EP1422481B1/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at 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
    • 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 ceiling convector with a heat exchanger of approximately rectangular cross-section, wherein room air enters through an inlet surface in the heat exchanger and exits from a surface perpendicular to the inlet surface of the heat exchanger.
  • Ceiling convectors are used to cool or heat indoor air. They are mounted in large rooms under suspended ceilings or - for example, in sales rooms - visible. Frequently, the supply of fresh air or preconditioned air is integrated into such an arrangement.
  • German Patent Application 197 18 487 A1 discloses a room air cooler, that is, a ceiling convector of the type described above, in which a fan is arranged horizontally next to the heat exchanger at the vertically oriented side surface, wherein the air enters through the vertical narrow side and over part of the upper , horizontally oriented top surface of the heat exchanger exits from this. It thus takes place within the housing of the heat exchanger, a deflection of the flow by about 90 °. With the positive guidance of the room air to be cooled caused by the blower in the direction of the greatest possible resistance to passage of the heat exchanger, a reduction in the height of the ceiling convector measured in the vertical direction is to be achieved.
  • Ceiling ventilation devices which are equipped with at least one preferably vertically arranged heat exchanger, which in turn flows through mainly horizontally, emerge from US 2002/007934 A1.
  • the air emerging from the heat exchanger is deflected by means of nozzles in a vertical, downward-pointing direction and guided along a curved wall of the ventilation unit so that the air initially hugs the ceiling when exiting the ventilation unit.
  • EP 1 122 501 A1 describes a ceiling ventilation device which is attached at a distance from the ceiling.
  • the warm rising air flows from below into a chamber of the ventilation unit and is sucked by nozzle generated negative pressure through heat exchangers. After exiting the heat exchanger, the air is diagonally upwards by means of the nozzles directed, so that the air coming out of the ventilation unit from below hits the ceiling.
  • the ceiling convector presented there with a rectangular plan is equipped with two separate, arranged in the longitudinal direction of the convector heat exchangers whose height is significantly greater than their width.
  • the air flowing vertically from below into the middle of the ceiling convector is deflected in a space between the heat exchangers and flows through them in a straight line horizontally to both sides.
  • Above the heat exchanger and immediately adjacent to this there is also an air distribution box extending in the longitudinal direction of the ceiling convector with nozzles arranged laterally of the heat exchanger. Due to the supply air flowing from these nozzles, the air flowing out of the heat exchangers is in turn deflected and flows vertically below.
  • Air baffles divert the outflowing air once more to both sides before leaving the convector through the outflow openings.
  • the object of the invention is, in particular for use in rooms with low ceiling heights, to propose an alternative ceiling convector with significantly reduced height, with which not only the material costs of the convector itself, but also the overall construction costs can be reduced by lower false ceiling heights.
  • this object is achieved according to the invention in that nozzles are arranged for the supply of supply air. On This way, the space lying behind the heat exchanger in the inflow direction can be omitted or at least significantly reduced in size.
  • the supply of fresh air or conditioned air can be combined well with the device according to the invention.
  • the advantage of the reduced overall height of the ceiling convector will come into play, in particular, when the room air enters a horizontal area of the heat exchanger, preferably upwards.
  • a particularly excellent design in this respect is equipped with a flat heat exchanger whose width is significantly higher than its height.
  • the guidance according to the invention of the flow of the room air can be realized both in bar and in cylindrical heat exchangers in ceiling convectors with a corresponding rectangular or circular plan.
  • the invention further ausgestaltend is provided to guide the heat transfer medium in lines through the heat exchanger having lamellae. In this way, the heat transfer between room air and heat transfer medium is substantially increased.
  • the flow-through cross section of the heat exchanger can be significantly reduced while maintaining performance.
  • the flow guide according to the invention is achieved in that the flow is prevented by the surface opposite the inlet surface of the heat exchanger. This is particularly easy to construct by covering this area. It is also advantageous to only partially close the boundary surface opposite the entry surface or to provide a wall at a small distance from this surface. In particular, in the case of designs with a wide heat exchanger, a flow of room air is thus also achieved through the middle region of the heat exchanger.
  • the guidance of the room air according to the invention is achieved in a particularly simple manner by not closing vertical boundary surfaces of the heat exchanger to the entry surface are.
  • an embodiment of the invention is particularly advantageous in that these surfaces are closed at the ends facing the inlet surfaces. In this way it is prevented that a part of the ceiling convector flowing through the air flow does not flow through the heat exchanger or only over a very short distance.
  • the device according to the invention can be combined with known devices that impart a flow to the room air.
  • one or more fans can be used.
  • the reduction of the construction costs is also the use of a ceiling convector both for cooling and when needed for heating the room air.
  • a ceiling convector both for cooling and when needed for heating the room air.
  • FIG. 1 A ceiling convector 10 with (as in the following embodiments) rectangular plan view is shown in Fig. 1 schematically in a cross section. It has a heat exchanger 11 with a rectangular cross-section, wherein the height 12 of the heat exchanger 11 is significantly smaller than its width 13.
  • Broken lines (as in the following embodiments) open boundary surfaces of the heat exchanger 11.
  • Within the heat exchanger 11 are (as also in the following embodiments) exemplified pipe cross-sections of the lines of the heat transfer medium.
  • room air 21 flows through an entry surface 25 formed by the lower horizontal boundary surface 14 vertically upward into the heat exchanger 11, is deflected within the heat exchanger 11 to both sides and flows through the exit surfaces 26, are formed by the lateral vertical boundary surfaces 15, out of this again.
  • air distribution box 18 is arranged with a rectangular cross-section, which closes the upper horizontal, the inlet surface 25 opposite boundary surface 16 of the heat exchanger 11.
  • a connection piece for the supply of the air distribution box 18 with supply air 23 is indicated.
  • the ceiling convector 10 may be mounted in a suspended ceiling (not shown) such that the outer baffles 20 are flush with the underside of the suspended ceiling.
  • the effluent from the outlet openings 27 of the ceiling convector 10 room air 24 then flows at least partially along the ceiling, which are avoided as unpleasant air flows.
  • the ceiling convector 30 shown in Fig. 2 differs from the embodiment 10 shown in FIG. 1 by a vertical distance between the upper boundary surface 36 of the heat exchanger 31 and the Heilverteilkasten 38.
  • the lateral vertical boundary surfaces 35 of the heat exchanger 31 is here also the upper Limiting surface 36 to an exit surface 46 of the room air 42 from the heat exchanger 31.
  • This variant allows for wide types of heat exchanger used a flow through the central region of the cross section and better utilization of the available heat output.
  • the lateral vertical boundary surfaces 35 of the heat exchanger 31 are closed at the Einström requirements 45 zugewanden sides. By this constructive measure prevents a portion of the ceiling convector 30 flowing through the air flow through the heat exchanger 31 only on a very short distance.
  • the ceiling convector 50 shown in Fig. 3 is an alternative embodiment with a split in the longitudinal direction of the ceiling convector 50 Vietnameseverteilkasten 58 with triangular cross-section.
  • the two separate Heilverteilkasten 58 are arranged on both sides on the underside of the heat exchanger 51.
  • the upper boundary surface 56 of the heat exchanger 51 is closed.
  • the room air 61 flows vertically upwards into the heat exchanger 51, wherein the walls of the air distribution boxes 58 directed toward one another also assume the function of the inner air baffles which are not present here.
  • the indoor air 62 is deflected inside the heat exchanger 51 and flows out of the heat exchanger 51 through the lateral vertical boundary surfaces 55.
  • the supply air 63 flowing out of the nozzles 59 attached to the air distribution boxes 58 mixes with the room air 62 flowing out of the heat exchanger 51 as a result of induction and imposes a flow in the horizontal direction on it.
  • the ceiling convector 70 shown in FIG. 4 differs from the embodiment 50 according to FIG. 3 by a vertical distance between the upper boundary surface 76 of the heat exchanger 71 and the ceiling indicated in the figure.
  • the upper boundary surface 76 also leads to an outlet surface 86 of the room air from the heat exchanger 71.
  • this variant allows a wide design of the heat exchanger 71 used Flow through the middle cross-sectional area and better utilization of the available heat output.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Glass Compositions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Claims (17)

  1. Convecteur de plafond (10, 30, 50, 70) avec un échangeur de chaleur (11, 31, 51, 71) de section à peu près rectangulaire, avec des buses (19, 39, 59, 79) d'alimentation en air (23, 43, 63, 83), de l'air ambiant (21, 41, 61, 81) entrant dans l'échangeur de chaleur par une surface d'entrée (14, 34, 54, 74) et quittant celui-ci par une surface (15, 35, 55, 75) de l'échangeur de chaleur qui est perpendiculaire à la surface d'entrée.
  2. Convecteur de plafond (10, 30, 50, 70) selon la revendication 1, caractérisé par une surface d'entrée (14, 34, 54, 74) d'air ambiant (22, 42, 62, 82) dans l'échangeur de chaleur (11, 31, 51, 71) qui est orientée horizontalement.
  3. Convecteur de plafond (10, 30, 50, 70) selon une au moins des revendications précédentes, caractérisé en ce que de l'air ambiant (22, 42, 62, 82) entre dans l'échangeur de chaleur (11, 31, 51, 71) vers le haut.
  4. Convecteur de plafond (10, 30, 50, 70) selon une au moins des revendications précédentes, caractérisé par une section transversale de l'échangeur de chaleur (11, 31, 51, 71) dont la hauteur verticale (12, 32, 52, 72) est inférieure à sa largeur horizontale (13, 33, 53, 73).
  5. Convecteur de plafond (10, 30, 50, 70) selon une au moins des revendications précédentes, caractérisé par un plan rectangulaire.
  6. Convecteur de plafond selon une au moins des revendications précédentes, caractérisé en ce que des conduites destinées à véhiculer le fluide caloporteur dans l'échangeur de chaleur comportent des lamelles.
  7. Convecteur de plafond (10, 30, 50, 70) selon une au moins des revendications précédentes, caractérisé en ce qu' il est interdit, partiellement ou intégralement, à l'air ambiant (22, 42, 62, 82) de circuler au travers d'au moins une surface de limitation (16, 36, 56, 76) de l'échangeur de chaleur (11, 31, 51, 71).
  8. Convecteur de plafond (10, 30, 50) selon la revendication précédente, caractérisé par au moins une surface de limitation (16, 36, 56) de l'échangeur de chaleur (11, 31, 51) partiellement ou intégralement fermée.
  9. Convecteur de plafond (30, 70) selon la revendication 8, caractérisé par une paroi disposée à faible distance d'une surface de limitation (36, 76) de l'échangeur de chaleur (31, 71).
  10. Convecteur de plafond (30) selon une au moins des revendications précédentes, caractérisé en ce que des surfaces de limitation (35) de l'échangeur de chaleur (31) perpendiculaires à la surface d'entrée (34) de l'air ambiant (41) sont fermées à l'extrémité tournée vers la surface d'entrée.
  11. Convecteur de plafond (10, 30, 50, 70) selon une au moins des revendications précédentes, caractérisé par un mécanisme permettant de produire la circulation de l'air ambiant.
  12. Convecteur de plafond selon la revendication précédente, caractérisé en ce que le mécanisme comprend un ou plusieurs ventilateurs.
  13. Convecteur de plafond (10, 30, 50, 70) selon la revendication précédente, caractérisé en ce que de l'air amené (23, 43, 63, 83) est apte à être acheminé au travers d'une ou de plusieurs boîtes de distribution d'air (18, 38, 58, 78).
  14. Convecteur de plafond selon la revendication précédente, caractérisé en ce que des buses destinées à acheminer de l'air amené sont rapportées sur les parois de boîtes de distribution d'air.
  15. Convecteur de plafond (50, 70) selon une au moins des revendications 14 à 17, caractérisé en ce que le sens de circulation de l'air amené (63, 83) forme un angle avec le sens dans lequel l'air ambiant (61, 81) entre dans l'échangeur de chaleur (51,71).
  16. Convecteur de plafond selon une au moins des revendications précédentes, caractérisé en ce que l'échangeur de chaleur comporte des systèmes de conduites hydrauliquement isolés destinés à véhiculer un fluide caloporteur apte à être utilisé pour refroidir ou chauffer l'air ambiant.
  17. Convecteur de plafond selon la revendication précédente, caractérisé en ce que des systèmes de conduites hydrauliquement isolés sont disposés dans le même ensemble de lamelles de l'échangeur de chaleur.
EP02025895A 2002-11-20 2002-11-20 Convecteur pour plafond Expired - Lifetime EP1422481B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP02025895A EP1422481B1 (fr) 2002-11-20 2002-11-20 Convecteur pour plafond
DE50209367T DE50209367D1 (de) 2002-11-20 2002-11-20 Deckenkonvektor
AT02025895T ATE352755T1 (de) 2002-11-20 2002-11-20 Deckenkonvektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02025895A EP1422481B1 (fr) 2002-11-20 2002-11-20 Convecteur pour plafond

Publications (2)

Publication Number Publication Date
EP1422481A1 EP1422481A1 (fr) 2004-05-26
EP1422481B1 true EP1422481B1 (fr) 2007-01-24

Family

ID=32187170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025895A Expired - Lifetime EP1422481B1 (fr) 2002-11-20 2002-11-20 Convecteur pour plafond

Country Status (3)

Country Link
EP (1) EP1422481B1 (fr)
AT (1) ATE352755T1 (fr)
DE (1) DE50209367D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203573A1 (de) 2012-03-07 2013-09-12 Yit Germany Gmbh Vorrichtung zur Heizung und/oder Kühlung eines Raums

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492310B (en) * 2011-05-20 2017-03-01 Frenger Systems Ltd Improvements in or relating to air conditioning modules
DE102013109702A1 (de) 2013-09-05 2015-03-05 Caverion Deutschland GmbH Luftauslass sowie Verfahren zu dessen Umrüstung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718487C2 (de) * 1997-04-30 2000-05-18 Schmidt Christel Anna Raumluftkühler
JP2947236B2 (ja) * 1997-08-08 1999-09-13 ダイキン工業株式会社 空気調和機の吹出口構造
DE29819596U1 (de) * 1998-10-31 1998-12-24 Gebrüder Trox, GmbH, 47506 Neukirchen-Vluyn Deckenluftauslaß für klimatechnische Anlagen
SE523206C2 (sv) * 1998-11-05 2004-04-06 Teknoterm Climate Ab Luftkonditioneringsanordning för undertaksplacering innefattande värmeväxlare
SE0000360D0 (sv) * 2000-02-04 2000-02-04 Stifab Farex Ab Anordning för takmontage för ventilation av lokaler och samtidig kylning eller värmning av rumsluften
FI113693B (fi) * 2000-12-07 2004-05-31 Halton Oy Tuloilmalaite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203573A1 (de) 2012-03-07 2013-09-12 Yit Germany Gmbh Vorrichtung zur Heizung und/oder Kühlung eines Raums
DE102012203573B4 (de) * 2012-03-07 2024-12-12 Krantz Gmbh Vorrichtung zur Heizung und/oder Kühlung eines Raums

Also Published As

Publication number Publication date
DE50209367D1 (de) 2007-03-15
ATE352755T1 (de) 2007-02-15
EP1422481A1 (fr) 2004-05-26

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