EP1571402A1 - Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante - Google Patents

Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante Download PDF

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Publication number
EP1571402A1
EP1571402A1 EP05003232A EP05003232A EP1571402A1 EP 1571402 A1 EP1571402 A1 EP 1571402A1 EP 05003232 A EP05003232 A EP 05003232A EP 05003232 A EP05003232 A EP 05003232A EP 1571402 A1 EP1571402 A1 EP 1571402A1
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EP
European Patent Office
Prior art keywords
air
room
heat exchanger
conditioning device
primary
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
EP05003232A
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German (de)
English (en)
Other versions
EP1571402B1 (fr
Inventor
Gerd Dr. Ing. Schaal
Ralf Dipl.-Ing. Wagner
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.)
LTG AG
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LTG AG
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Filing date
Publication date
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Publication of EP1571402A1 publication Critical patent/EP1571402A1/fr
Application granted granted Critical
Publication of EP1571402B1 publication Critical patent/EP1571402B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0053—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted at least partially below the floor; with air distribution below the floor

Definitions

  • the invention relates to an air-conditioning device for heating, Cooling and / or ventilating a room.
  • Ventilation systems provided with induction devices are known. They are with their primary air connection to one centrally located in the building primary air treatment via ventilation ducts connected. These lead the respective induction device Primary air flowing into and out of a mixing chamber the induction effect sucks room air through a heat exchanger. The room air is treated thermally in the heat exchanger and mixes downstream of the heat exchanger in the Mixing room with the primary air. The mixed air thus formed is over blown a Zuluftauslass in the room of the building.
  • Such Facilities have only a limited cooling or Heating power on, as the amount of primary air supplied is measured according to the fresh air content to be provided in the room. If necessary, this fresh air content is determined by the Purpose of the room, in particular according to the expected number of people in the room.
  • the invention is based on the object, a specify room ventilation equipment with more flexible management, among other things a greater cooling or heating capacity at optionally preferably constant primary air quantity (the same Primary air volume flow).
  • the mentioned Ventilation system a primary air connection for delivered primary air, a room air inlet and a Zubuchauslass and a heat exchanger, wherein the heat exchanger Room air from the room air inlet and / or demand-dependent / optional Primary air from the primary air supply can be fed and the downstream of an air conveyor downstream, and wherein downstream of the air conveyor the Zubuchauslass lies. Due to this configuration can in a first mode the primary air supply are fed to primary air, which is in one Mixing chamber in front of the heat exchanger due to their induction effect mixed with sucked in from the room room air. This one Mixture of the two types of air takes place before the heat exchanger is located here the so-called direct induction.
  • the mixed air flows through then the heat exchanger and is there, if necessary, thermally treated.
  • the air thus treated flows to the supply air outlet and thereby enters the room.
  • the air conveyor, the between the heat exchanger and the Zu Kunststoffauslass is located not in operation; it is therefore only of the heat exchanger flowing through the air stream.
  • a second mode is connected to the primary air connection as described above. also supplied with primary air, so that they are the same Set conditions as described above for the first mode, however, an active air delivery takes place downstream of the Heat exchanger by putting the air conveyor into operation is.
  • the ventilation device without the Supply of primary air to operate.
  • the primary air connection no primary air supplied, which is done, for example can that the central air distribution network of the primary air in the Area of the primary air connection a closable air damper or this air damper inside the inventive Device is housed.
  • the air conveyor in function, that is, unfolds a suction effect, with the result that room air through the heat exchanger sucked and conveyed to Zu Kunststoffauslass so that accordingly room air by means of the heat exchanger thermally can be treated and blown back into the room becomes.
  • the amount of air thus treated is in turn of the Operational management of the air conveyor device dependent, in particular a control or regulation may be provided.
  • the inventive Ventilation system also work in ventilation mode.
  • the consequence is when the primary air is not supplied, that the room air is circulated and with supplied primary air, that a fresh air supply with mixing and circulation of the room air he follows.
  • the latter can both with active air conveyor as well as disconnected air conveyor due to the induction effect be performed.
  • the Air conveyor is a fan. About the fan speed the air flow rate can be determined easily.
  • an induction device is used as an air conveyor. It is conceivable that these are from a partial flow of primary air or additional primary air is passed through, i.e., their induction nozzles receive a share of primary air or additional primary air (in addition to the primary air supplied to the primary air supply), the / does not flow through the heat exchanger. Due to the developed Induction effect is amplified air over the heat exchanger sucked, with the result that a correspondingly larger Part of room air passes through the heat exchanger.
  • the air conveyor can be used as a cross-flow fan be educated.
  • This embodiment allows the promotion large amounts of air at very low sound power, so that preferred can be dispensed with a silencer.
  • muffler conceivable.
  • a downstream of the primary air connection is preferred Induction device provided.
  • the blowing out the primary air in the mentioned mixing space to an induction effect sucks in the room air.
  • this suction effect will amplified when the blowing of the primary air into the mixing chamber by means of the mentioned induction device takes place, so that thereby a larger amount of room air is sucked.
  • the induction device has in particular at least one induction nozzle.
  • the induction nozzle With the induction nozzle, the primary air is in the Mixture space ejected, the nozzle effect a strong induction causes, so sucked a correspondingly large amount of room air becomes.
  • the primary air connection preferably leads to an air distribution box.
  • the supplied primary air through the air distribution box injected in accordance with a wide current in the mixing chamber, so that a surface effect is achieved.
  • the mentioned induction nozzles arranged so that the supplied primary air is initially distributed in the air distribution box and then from the spaced apart induction nozzles exits into the mixing chamber.
  • the air conditioning device is central Device trained. This means that it supplies centrally with primary air is, that is, the primary air comes from an air center, the one Variety of room ventilation equipment supplied.
  • the air center is preferably located at a particular location of the building to to prepare central fresh air there.
  • the outside air becomes particular filtered and possibly moistened or dehumidified. She can in particular already pretreated thermally, so flow through suitable heating or cooling units.
  • About one Pipe distribution network (air ducts) is the thus prepared primary air fed to the primary air connection of the respective central device.
  • the invention raum povertytechnische Device is designed as a decentralized device.
  • this can also be largely done invisible, so for example in a raised floor.
  • the primary air the decentralized device is supplied with air, which it receives from his immediate neighborhood. For example by means of an air conveyor outside air in the area of the facade sucked the room and fed to the primary air connection.
  • primary air thus including outdoor air (treated or untreated) Understood.
  • the training results as an underfloor device, Parapet or ceiling unit.
  • the heat exchanger in the housing of the ventilation technology Device is arranged obliquely, because then achieved a correspondingly low or narrow height becomes.
  • the dimension of the heat exchanger is greater than the corresponding housing dimension.
  • the Room air inlet and the supply air outlet on the same, first side of the housing the housing of the ventilation system lie.
  • the primary air connection is on a second side of the housing arranged, which forms an angle with the first side of the housing. So it is possible, for example, room air inlet and Zubuchauslass form on the ceiling wall of the housing while the primary air connection to a side wall or End wall of the housing is arranged and consequently the two mentioned housing sides preferably an angle of about 90 ° to each other.
  • the mentioned configuration is particular advantageous if the air conditioning device as an underfloor device is equipped, since then the mentioned ceiling wall a floor section to be ventilated or air-conditioned Can form space.
  • the first housing side has an air grid or is formed by an air grid.
  • the Heat exchanger is led to the grille and thereby the opening of the room air inlet limited.
  • the cross-flow fan is a vortex generator has, which is arranged on the air grid and thereby the Opening of the supply air outlet limited. Only the zone between vortex generator and heat exchanger must be in the area of the grille by means of closed a corresponding wall of the housing be to prevent coming from the heat exchanger Air enters the room without passing through the air conveyor.
  • FIG. 1 shows a room air technical device 1, which is used as central Device 2, namely as an underfloor device 3 is formed.
  • the underfloor device 3 has a substantially cuboidal housing 4, which has a bottom wall 5, a top wall 6, a side wall 7, a side wall 8 and two further, not visible from Figure 1 Has side walls which are parallel to the paper plane of Figure 1 run and spaced from each other and the width of the Determine the underfloor device 3.
  • the side wall 7 has an oblique extending wall part 9 and the side wall 8 also a sloping wall portion 10. Starting from the bottom wall 5, the side wall 7 further has a right angle to the bottom wall 5 standing wall part 11 and the side wall 8 a likewise perpendicular to the bottom wall 5 extending wall portion 12th on.
  • the two sloping wall parts 9 and 10 are in yours Angles are oriented so that they diverge from one another.
  • the ceiling wall 6 is formed as an air grid 13, which is a first Housing side 14 of the housing 4 forms.
  • the side wall 7 forms a second housing side 15 of the housing 4.
  • the side edge areas 19 'and 20' of the air grille 13 project beyond the wall part 9 and the wall part 10th
  • the underfloor device 3 is located within a double floor 16 a room 17 of a building, not shown, or the like.
  • the underfloor device 3 is below the specialtyfelzten Floor 18 of the room 17 arranged that the air grille 13th aligned with the floor 18.
  • the underfloor device 3 is in the area of the facade 19 of the room 17th arranged, that is, the air grille 13 extends to the parapet wall 20 of the room 17 zoom. Located above the parapet wall 20 a window 21. Further details of the room 17 are here Not shown for simplicity.
  • a primary air connection 22 is in the region of the side wall 7 of the housing 4 arranged and opens into a triangular in cross-section trained air distribution box 23, which extends across the width the room ventilation device 1 extends.
  • the backward Wall 24 of Heilverteilkastens 23 extends at an acute angle to the bottom wall 5 and has - over its width and / or height-air outlet openings 25 on. Is-about a not shown Primary air channel primary air according to primary air arrow 26 via the primary air connection 22 blown into the air distribution box 23, so occurs this primary air from the mentioned air outlet openings 25 according to the primary air arrows 26 'in the interior of the housing 4.
  • Mixed air arrows 33 ' is indicated that the heat exchanger 28th perfused mixed air now to an air conveyor 33rd passes, which are arranged in the housing 4 and as a cross-flow fan 34 is formed.
  • the cross-flow fan 34 is by means of a driven electric motor, not shown.
  • the drive is a and turn off as well as controllable and / or controllable, so that not one shown control and / or regulating device depending on the desired Mode a corresponding operation of the Unterflur réelles 3 performs.
  • the air flow of the Primary air on and off and to control and / or to regulate. All mentioned parameters can be of course alone or in combination of certain parameters control each other or all parameters with each other or regulate.
  • the cross-flow fan 34 delivers the mixed air according to the Mixed air arrows 35 up to a Zubuchauslass 36, of a range the air grid 13 is formed. Between the heat exchanger 28 and the facing edge of the opening of the Zu povertyauslasses 36th is a the air grille 13 occlusive wall portion 37th of the housing 4, in a vortex generator 38 of the cross-flow fan 34 passes. From the Zubuchauslass 36, the mixed air 35 occurs as Supply air according to supply air arrow 39 upwards. This is preferably done near the parapet wall 20 of the room 17.
  • the room air technical device 1 works in one first mode thus according to the above such that the primary air induces room air and the thus formed Mixed air passes through the heat exchanger 28.
  • the then subsequent Crossflow fan 34 is off, but can be traversed by the air.
  • the mixed air flows over the supply air outlet 36 in the room 17 upwards or obliquely upwards.
  • the device In a second mode, the device operates as in the first mode, In addition, however, the cross-flow fan 34 is turned on and thus supports the induction effect. Even if due the exit of the primary air from the air outlet openings 25th no induction effect would be achieved, ensures the suction effect the cross-flow fan 34 that room air from the room 17th is sucked in, mixes with the primary air and mixed air the Heat exchanger 28 interspersed.
  • the ventilation system works 1 of Figure 1 as follows: it is the primary air port 22 no Supplied primary air because, for example, there existing, not shown air valve is closed.
  • the cross-flow fan 34 is in function and therefore finds a ventilation Treatment of the room air of the room 17 instead, since the cross-flow fan 34 via the room air inlet 31 draws in room air, the Room air in the heat exchanger 28 treated with respect to their temperature and the air thus treated from the Zu Kunststoffauslass 36 again is blown into the room 17.
  • FIG. 2 shows a further exemplary embodiment of an air-conditioning system Device 1 that for the embodiment of Figure 1 only differs in that instead of the air outlet openings 25 of the air distribution box 23 induction nozzles 40 (primary air nozzles) are provided, of which -for the sake of simplicity-in the Figure 2 is shown only one.
  • the induction device 52 formed.
  • several rows of primary air nozzles 40 which cause the from the primary air nozzles 40th Exiting primary air cause a very intense induction, i. It is a correspondingly large volume flow of room air through sucked in the room air inlet 31 and mixed with the primary air.
  • the embodiment of a room ventilation device 1 according to Figure 3 differs from the embodiment of the 1 in that in the primary air supply line 41, an air valve 42nd is arranged in the form of a rotary flap 43, so that-depending on Drehklappengnagnagnagnagna- a corresponding primary air flow to the Air distribution box 23 is supplied.
  • a primary air supply 44 is connected upstream, so that the Ventilation device 1 in the embodiment of the figure 4 not as a central, but as a decentralized device 45 is formed is.
  • the outside air opening 46 can be adjusted by means of an outside air valve 48 as needed open or close or according to the desired Set outside air volume flow. This is funded from one adjoining the outside air valve 48 downstream Outside air fan 49, whose speed of the already mentioned Control and / or regulating unit controlled in the desired manner and / or regulated.
  • the outside air fan 49 may connect a muffler 50, but then may be omitted if the outdoor fan 49, for example, as Cross-flow fan is designed and therefore only a very low Sound pressure releases.
  • the outside air fan 49 is over the optional Silencer 50 with the primary air connection 22 via a Air connection line 51 connected.
  • the primary air feed 44 which represents an outside air supply, indicated only schematically.
  • Ventilation system 1 a little further away from the parapet wall 20 to arrange, so that the outside air in a straight way can enter the room ventilation device 1, wherein but then the primary air connection 22 is not facing away from the Facade, but this is arranged facing, that is, the air conditioning Device 1 is opposite to the representation of the figure 4 rotated by 180 ° in the double bottom 16 of the space 17.
  • the primary air feed 44 is not separate, So outside of the housing 4 of the air conditioning device 1 is located, but is located within the housing 4, so that consequently a decentralized device 45 is created, all Components or at least a proportion of the components (optionally no muffler 50).
  • the embodiment of Figure 4 operates as follows. ever according to the speed of the outside air fan 49 is a corresponding Outside air volume flow sucked, wherein the outside air valve 48th is open. This outdoor air volume flow is called primary air volume flow via the air connection line 51 and the primary air connection 22 supplied to the air distribution box 23. From there then takes place the respective operation management of the ventilation device 1 as well as described in the embodiment of Figure 1.
  • the ventilation device can be according to operate in the first mode in direct induction mode.
  • Primary air is supplied to a correspondingly relatively small volume flow, due to the corresponding induction effect too a relatively small cooling capacity / heating power leads.
  • the primary air decentralized processed, so supplied by means of a fan outside air so a small sound power is achievable when as a fan a cross-flow fan is used.
  • Alternatively to decentralized operation is also a central Operation possible, that is, the primary air is from an air center of the Building supplied via an air distribution network.
  • the primary air When connected to a central ventilation system, the primary air through a central fan and over one in the ventilation duct and / or sitting directly in front of the ventilation system Volumetric flow controller, preferably with silencer supplied.
  • the primary air through a shut-off and Control unit in or just behind a wall opening the facade is attached, from one in the flow direction following fan (centrifugal fan, axial fan or cross-flow fan), optionally with silencer, promoted, wherein this promotion can be controlled or regulated.
  • the cross-flow fan sitting in the unit sucks over the heat exchanger at a constant primary air quantity essential more circulating air / room air. This will increase the airflow increased many times over.
  • the used crossflow fan can be compared to a corresponding centrifugal fan or axial fan at the same sound power considerably larger volume flows promote. If the cross-flow fan is used, then a Mufflers omitted.
  • the resulting from the figure 4 primary air supply 44 may in the execution of the ventilation device as a decentralized device directly into the housing 4 of the ventilation Facility to be integrated. Alternatively, it is also possible form the primary air supply 44 as a mounting kit, ie in to integrate an attachment housing.
  • the ventilation Device as a central device can be a shut-off and / or control flap according to the embodiment of Figure 3 with in the device (Housing 4) be integrated, so that a unit in a common Housing is present.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)
EP05003232.5A 2004-03-05 2005-02-16 Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante Not-in-force EP1571402B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010738A DE102004010738A1 (de) 2004-03-05 2004-03-05 Raumlufttechnische Einrichtung zum Heizen, Kühlen und/oder Belüften eines Raumes sowie entsprechendes Verfahren
DE102004010738 2004-03-05

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Publication Number Publication Date
EP1571402A1 true EP1571402A1 (fr) 2005-09-07
EP1571402B1 EP1571402B1 (fr) 2017-08-16

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EP05003232.5A Not-in-force EP1571402B1 (fr) 2004-03-05 2005-02-16 Appareil de traitement de l'air d'une pièce pour chauffer, refroidir et/ou ventiler une pièce et méthode correspondante

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EP (1) EP1571402B1 (fr)
DE (1) DE102004010738A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20110347A1 (it) * 2011-10-31 2013-05-01 Emerson Network Power Srl Struttura di macchina di climatizzazione perfezionata
EP2051017A3 (fr) * 2007-10-16 2014-07-02 Kampmann GmbH Dispositif de climatisation de pièces
WO2014111742A1 (fr) * 2013-01-21 2014-07-24 Carrier Corporation Terminal d'air avancé
EP2787287A1 (fr) * 2013-03-08 2014-10-08 Möhlenhoff GmbH Convecteur
CH710728A1 (de) * 2015-02-13 2016-08-15 Wigasol Ag Systemboden mit Lüftungsvorrichtung.
CN107228409A (zh) * 2017-06-16 2017-10-03 珠海格力电器股份有限公司 地板式空调器
EP3399251A1 (fr) * 2017-05-04 2018-11-07 Weiss Doppelbodensysteme GmbH Appareil de climatisation pour systèmes à double sol

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007007711B4 (de) * 2007-02-16 2014-03-27 Ltg Ag Verfahren und Vorrichtung zum Lüften, Heizen und/oder Kühlen eines Raumes
DE102007007928A1 (de) * 2007-02-17 2008-08-21 Ltg Aktiengesellschaft Lufttechnische Einrichtung
DE102008007641B4 (de) * 2008-02-04 2022-08-11 Pluggit Gmbh Lüftungsgerät
DE102008034905A1 (de) * 2008-07-26 2010-01-28 Ltg Aktiengesellschaft Lufttechnische Einrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1931155A1 (de) * 1969-06-19 1971-01-07 Ltg Lufttechnische Gmbh Geraet zum Zufuehren von Luft in einen Raum
EP0207718A2 (fr) * 1985-07-05 1987-01-07 Atlas Air (Australia) Pty. Limited Conditionnement de l'air agissant sur une zone limitée
DE19604531C1 (de) * 1996-02-08 1997-04-30 Ltg Lufttechnische Gmbh Lufttechnische Einrichtung
DE10023501A1 (de) * 2000-05-13 2001-11-22 Ltg Ag Verfahren und Vorrichtung zum Klimatisieren eines Raumes
DE10122907A1 (de) * 2001-05-11 2002-12-05 Fassadensystemlueftung Gmbh & Lüftungssystem zum dezentralen Belüften von Räumen in Gebäuden

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1931155A1 (de) * 1969-06-19 1971-01-07 Ltg Lufttechnische Gmbh Geraet zum Zufuehren von Luft in einen Raum
EP0207718A2 (fr) * 1985-07-05 1987-01-07 Atlas Air (Australia) Pty. Limited Conditionnement de l'air agissant sur une zone limitée
DE19604531C1 (de) * 1996-02-08 1997-04-30 Ltg Lufttechnische Gmbh Lufttechnische Einrichtung
DE10023501A1 (de) * 2000-05-13 2001-11-22 Ltg Ag Verfahren und Vorrichtung zum Klimatisieren eines Raumes
DE10122907A1 (de) * 2001-05-11 2002-12-05 Fassadensystemlueftung Gmbh & Lüftungssystem zum dezentralen Belüften von Räumen in Gebäuden

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2051017A3 (fr) * 2007-10-16 2014-07-02 Kampmann GmbH Dispositif de climatisation de pièces
ITPD20110347A1 (it) * 2011-10-31 2013-05-01 Emerson Network Power Srl Struttura di macchina di climatizzazione perfezionata
EP2587173A1 (fr) * 2011-10-31 2013-05-01 Emerson Network Power S.R.L. Structure de machine de régulation climatique
WO2014111742A1 (fr) * 2013-01-21 2014-07-24 Carrier Corporation Terminal d'air avancé
US10180285B2 (en) 2013-01-21 2019-01-15 Carrier Corporation Air terminal for heating or air conditioning system
EP2787287A1 (fr) * 2013-03-08 2014-10-08 Möhlenhoff GmbH Convecteur
CH710728A1 (de) * 2015-02-13 2016-08-15 Wigasol Ag Systemboden mit Lüftungsvorrichtung.
EP3056828A1 (fr) * 2015-02-13 2016-08-17 Wigasol AG Fond systeme comprenant un dispositif d'aeration
EP3399251A1 (fr) * 2017-05-04 2018-11-07 Weiss Doppelbodensysteme GmbH Appareil de climatisation pour systèmes à double sol
CN107228409A (zh) * 2017-06-16 2017-10-03 珠海格力电器股份有限公司 地板式空调器

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Publication number Publication date
DE102004010738A1 (de) 2005-09-22
EP1571402B1 (fr) 2017-08-16

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