EP1422481A1 - Convecteur pour plafond - Google Patents

Convecteur pour plafond Download PDF

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Publication number
EP1422481A1
EP1422481A1 EP02025895A EP02025895A EP1422481A1 EP 1422481 A1 EP1422481 A1 EP 1422481A1 EP 02025895 A EP02025895 A EP 02025895A EP 02025895 A EP02025895 A EP 02025895A EP 1422481 A1 EP1422481 A1 EP 1422481A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
ceiling convector
air
ceiling
convector
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.)
Granted
Application number
EP02025895A
Other languages
German (de)
English (en)
Other versions
EP1422481B1 (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
TKT Facility Engineering 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 TKT Facility Engineering GmbH filed Critical TKT Facility Engineering GmbH
Priority to DE50209367T priority Critical patent/DE50209367D1/de
Priority to EP02025895A priority patent/EP1422481B1/fr
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 an approximately rectangular heat exchanger Cross-section, with room air entering the heat exchanger through an entry surface.
  • Ceiling convectors are used for cooling or heating room air. you will be in large rooms under suspended ceilings or - for example in sales rooms - mounted open and visible. The supply of fresh air or pre-conditioned is often also Air integrated into such an arrangement.
  • a device of the type described at the outset is, for example, from German Utility model 298 19 596 known.
  • the ceiling convector presented there with a rectangular one Floor plan is with two separate heat exchangers arranged in the longitudinal direction of the convector equipped, the height of which is significantly greater than its width.
  • the perpendicular from Room air flowing down into the middle of the ceiling convector is located in a room between deflected the heat exchangers and flows straight through them horizontally on both sides.
  • Above and immediately adjacent to the heat exchanger is a in the longitudinal direction of the ceiling convector air distribution box with the side Heat exchanger arranged nozzles. Due to the supply air flowing from these nozzles Air flowing out of the heat exchangers in turn is redirected and flows in vertically below. Air baffles redirect the escaping air to both sides it leaves the convector through the outflow openings.
  • Another design of a ceiling convector is from German utility model 296 09 754 known with a rectangular plan, with a single, in its longitudinal direction arranged heat exchanger is equipped, the height of the heat exchanger clearly is less than its width.
  • the device flows straight through the room air vertically from bottom to top the heat exchanger.
  • the air distribution box is in this design in a room above the Heat exchanger arranged, the nozzles point obliquely downwards on both sides. From Room air flowing out of the heat exchanger is replaced by the supply air flowing out of the nozzles deflected on both sides and leaves the convector through the outflow openings.
  • the object of the invention is, in particular for use in rooms with low ceiling heights, propose a ceiling convector with a significantly reduced overall 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 solved in that room air from a surface of the heat exchanger perpendicular to the inlet surface exit. In this way it can be downstream of the heat exchanger lying space is eliminated or at least significantly reduced in size.
  • the inventive guiding of the flow of the room air can be carried out both with beams even with cylindrical heat exchangers in ceiling convectors with a corresponding rectangular shape or circular floor plan.
  • the invention is further developed, the heat transfer medium in lines through the heat exchanger, which have fins.
  • the Heat transfer between room air and heat transfer medium significantly increased.
  • the flowed through Cross section of the heat exchanger can be significantly reduced while maintaining the same performance become.
  • the flow control according to the invention is achieved in that the flow through the the surface of the heat exchanger opposite the inlet surface is prevented. constructive This is particularly easy to implement by covering this area. Advantageous it is also the case that the boundary surface lying opposite the entry surface is only partially closed close or provide a wall a short distance from this surface. In particular With designs with a wide heat exchanger, there is also a flow of indoor air reached through the central area of the heat exchanger.
  • Boundary surfaces of the heat exchanger perpendicular to the inlet surface are not closed are.
  • an embodiment of the invention is particularly advantageous in that these surfaces are closed at the ends facing the entry surfaces. To this This prevents a part of the room air flowing through the ceiling convector Heat exchanger does not flow through or only over a very short distance.
  • the device according to the invention can be known Combine facilities that impart a flow to the room air. To this end, for example, one or more fans can be used.
  • the supply of fresh air or conditioned air is also possible with the invention Combine the device well. It is possible to use one above the heat exchanger arranged air distribution box. The task of minimizing the overall height is in turn then particularly well solved if supply air is supplied via distribution boxes to the side of the heat exchange becomes. To reduce the material costs, it is advisable to use nozzles for feeding To form supply air directly on the distribution box or boxes. For example, the nozzles worked out by reshaping the material of the walls of the air distribution box or boxes his
  • ceiling convector also serves to reduce construction costs for cooling as well as for heating the room air if required. It is particularly advantageous here if separate pipe systems in the same plate pack of the heat exchanger are arranged.
  • a ceiling convector 10 with (as in the following exemplary embodiments) rectangular Floor plan is shown schematically in Fig. 1 in a cross section. It has a heat exchanger 11 with a rectangular cross-section, the height 12 of the heat exchanger 11 is significantly smaller than its width 13. Make broken lines (as in the following Embodiments) open boundary surfaces of the heat exchanger 11. Inside of the heat exchanger 11 are exemplary (as in the following exemplary embodiments) Pipe cross sections of the lines of the heat transfer medium indicated.
  • ambient air 21 flows through an entry surface 25, which is formed by the lower horizontal boundary surface 14, vertically upwards in the heat exchanger 11, is deflected inside the heat exchanger 11 on both sides and flows through the exit surfaces 26 which pass through the lateral vertical boundary surfaces 15 are formed out of this again.
  • Air distribution box 18 is arranged with a rectangular cross section, the upper horizontal boundary surface 16 of the heat exchanger opposite the inlet surface 25 11 closes. Inside the air distribution box 18 is (as in the following Embodiment) with a connecting piece for the supply of the air distribution box 18 Supply air 23 indicated.
  • the ceiling convector 10 can thus be mounted in a suspended ceiling (not shown) be that the outer air baffles 20 are flush with the underside of the suspended ceiling to lock.
  • the room air flowing out of the outlet openings 27 of the ceiling convector 10 24 then flows at least partially along the ceiling, making those felt uncomfortable Air flows can be avoided.
  • the ceiling convector 30 shown in FIG. 2 differs from the embodiment 10 by a vertical distance between the upper boundary surface 36 of the heat exchanger 31 and the air distribution box 38.
  • the lateral vertical Boundary surfaces 35 of the heat exchanger 31 also become the upper boundary surface 36 to an exit surface 46 of the room air 42 from the heat exchanger 31.
  • This variant enables flow through with wide designs of the heat exchanger used of the central area of the cross section and better utilization of the available standing heat output.
  • the lateral vertical boundary surfaces 35 of the heat exchanger 31 is closed on the sides facing the inflow surface 45. This constructive measure prevents part of the ceiling convector 30 room air flowing through the heat exchanger 31 only over a very short distance flows through.
  • the ceiling convector 50 shown in FIG. 3 is an alternative embodiment with a in the longitudinal direction of the ceiling convector 50 two-part air distribution box 58 with a triangular Cross-section.
  • the two separate air distribution boxes 58 are on either side Bottom of the heat exchanger 51 is arranged.
  • the upper boundary surface 56 of the heat exchanger 51 is closed.
  • the room air 61 flows vertically upwards into the heat exchanger 51, the on mutually facing walls of the air distribution boxes 58 also the function of here Take over internal air baffles that are not present.
  • the room air 62 is redirected inside the heat exchanger 51 and flows out of the heat exchanger 51 through the lateral vertical boundary surfaces 55 out.
  • the supply air flowing out of the nozzles 59 attached to the air distribution boxes 58 63 mixes with that flowing out of the heat exchanger 51 as a result of induction Room air 62 and imprints this on a flow in the horizontal direction.
  • the ceiling convector 70 shown in FIG. 4 differs from the embodiment 50 by a vertical distance between the upper boundary surface 76 of the heat exchanger 71 and the ceiling indicated in the figure.
  • the ceiling convector 30 according to FIG. 2 is also used here in addition to the lateral vertical boundary surfaces 75 of the heat exchanger 71 also the upper boundary surface 76 to an outlet surface 86 of the room air from the heat exchanger 71.
  • This variant also makes possible here with wide designs of the heat exchanger 71 used, a flow through the middle Cross-sectional area and better utilization of the available heat output.
  • the upper boundary surface 96 of the heat exchanger 91 is closed.
  • Below the Heat exchangers 91 are on both sides in the direction of expansion of the ceiling convector 90 vertical air baffles 107 attached.
  • the room air 101 flows through entry surfaces 105, which pass through the vertical boundary surfaces 95 of the heat exchanger 91 are formed, horizontally into the heat exchanger 91, is in turn deflected within the heat exchanger 91 and flows through the lower horizontal Boundary surface 94 out again.
  • the outflowing room air 102 creates suction through the heat exchanger 91, which maintains the current.
  • the ceiling convector 110 shown in FIG. 6 differs from the embodiment 90 in Fig. 5 by a vertical distance between an open upper boundary surface 116 of the heat exchanger 111 and the ceiling indicated in the figure. additionally becomes the lateral vertical boundary surfaces 115 of the heat exchanger 111 here also the upper boundary surface 116 to an entry surface 125 of the indoor air 121 in the Heat exchanger 111.
  • this variant allows for wide designs of the used Heat exchanger 111 a flow through the central cross-sectional area and better utilization of the available cooling capacity.

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)
EP02025895A 2002-11-20 2002-11-20 Convecteur pour plafond Expired - Lifetime EP1422481B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50209367T DE50209367D1 (de) 2002-11-20 2002-11-20 Deckenkonvektor
EP02025895A EP1422481B1 (fr) 2002-11-20 2002-11-20 Convecteur pour plafond
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 true EP1422481A1 (fr) 2004-05-26
EP1422481B1 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492310A (en) * 2011-05-20 2013-01-02 Frenger Systems Ltd Air conditioning module having a curved outlet
DE102012203573A1 (de) 2012-03-07 2013-09-12 Yit Germany Gmbh Vorrichtung zur Heizung und/oder Kühlung eines Raums
DE102013109702A1 (de) 2013-09-05 2015-03-05 Caverion Deutschland GmbH Luftauslass sowie Verfahren zu dessen Umrüstung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718487A1 (de) * 1997-04-30 1998-11-05 Schmidt Christel Anna Raumluftkühler
DE29819596U1 (de) * 1998-10-31 1998-12-24 Gebrüder Trox, GmbH, 47506 Neukirchen-Vluyn Deckenluftauslaß für klimatechnische Anlagen
EP1008814A1 (fr) * 1997-08-08 2000-06-14 Daikin Industries, Limited Structure de sortie pour conditionneurs d'air
EP1122501A1 (fr) * 2000-02-04 2001-08-08 Stifab Farex AB Dispositif monté au plafond pour ventilation des locaux et refroidissement ou réchauffage simultané de l'air des locaux
US20020007934A1 (en) * 1998-11-05 2002-01-24 Goran Hultmark Airconditioning device
US20020070010A1 (en) * 2000-12-07 2002-06-13 Halton Oy Supply air terminal device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718487A1 (de) * 1997-04-30 1998-11-05 Schmidt Christel Anna Raumluftkühler
EP1008814A1 (fr) * 1997-08-08 2000-06-14 Daikin Industries, Limited Structure de sortie pour conditionneurs d'air
DE29819596U1 (de) * 1998-10-31 1998-12-24 Gebrüder Trox, GmbH, 47506 Neukirchen-Vluyn Deckenluftauslaß für klimatechnische Anlagen
US20020007934A1 (en) * 1998-11-05 2002-01-24 Goran Hultmark Airconditioning device
EP1122501A1 (fr) * 2000-02-04 2001-08-08 Stifab Farex AB Dispositif monté au plafond pour ventilation des locaux et refroidissement ou réchauffage simultané de l'air des locaux
US20020070010A1 (en) * 2000-12-07 2002-06-13 Halton Oy Supply air terminal device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492310A (en) * 2011-05-20 2013-01-02 Frenger Systems Ltd Air conditioning module having a curved outlet
GB2492310B (en) * 2011-05-20 2017-03-01 Frenger Systems Ltd Improvements in or relating to air conditioning modules
DE102012203573A1 (de) 2012-03-07 2013-09-12 Yit Germany Gmbh Vorrichtung zur Heizung und/oder Kühlung eines Raums
DE102013109702A1 (de) 2013-09-05 2015-03-05 Caverion Deutschland GmbH Luftauslass sowie Verfahren zu dessen Umrüstung
EP2846108A1 (fr) 2013-09-05 2015-03-11 Caverion Deutschland GmbH Sortie d'air au plafond

Also Published As

Publication number Publication date
ATE352755T1 (de) 2007-02-15
DE50209367D1 (de) 2007-03-15
EP1422481B1 (fr) 2007-01-24

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