EP1798491B1 - Dispositif de climatisation modulaire - Google Patents

Dispositif de climatisation modulaire Download PDF

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Publication number
EP1798491B1
EP1798491B1 EP05425893A EP05425893A EP1798491B1 EP 1798491 B1 EP1798491 B1 EP 1798491B1 EP 05425893 A EP05425893 A EP 05425893A EP 05425893 A EP05425893 A EP 05425893A EP 1798491 B1 EP1798491 B1 EP 1798491B1
Authority
EP
European Patent Office
Prior art keywords
air
mouths
conditioning
delivery
module
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.)
Not-in-force
Application number
EP05425893A
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German (de)
English (en)
Other versions
EP1798491A1 (fr
Inventor
Gianni Belluzzo
Luca Serravalle
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.)
Aermec SpA
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Aermec SpA
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Filing date
Publication date
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Priority to DE602005008625T priority Critical patent/DE602005008625D1/de
Priority to EP05425893A priority patent/EP1798491B1/fr
Priority to AT05425893T priority patent/ATE403115T1/de
Publication of EP1798491A1 publication Critical patent/EP1798491A1/fr
Application granted granted Critical
Publication of EP1798491B1 publication Critical patent/EP1798491B1/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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • 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
    • F24F13/20—Casings or covers

Definitions

  • the present invention relates to an air-conditioning unit according to the preamble of claim 1.
  • the air-conditioning unit according to the present application can be applied in systems for centralised conditioning of one or several environments.
  • a known air-conditioning system is disclosed in the patent document US-A-5701750 .
  • Air-conditioning units for several environments are known for water-based conditioning systems, for example with a water cooler and a boiler heating system, as well as for direct-expansion systems, for example with internal evaporating units and an external motorised condenser.
  • a water supplier provides hot or cold water, depending on whether the season is winter or summer respectively, for the supply of a heat exchange battery which is installed inside the air-conditioning unit.
  • This unit typically consists of a case which has air intake mouths to receive the air to be conditioned from the environments, and air delivery mouths to supply conditioned air to the environments.
  • a plurality of ventilation elements which admit air from the various environments via the air intake mouths, and take in the air admitted, into the interior of the unit, where the air obtained from the various environments is processed by the heat exchange battery.
  • the air thus processed by the heat exchange battery is finally expelled from the ventilation elements via the delivery mouths for the various environments.
  • air-conditioning units which have a direct-expansion internal evaporating unit/convector fan, and an external motorised condenser/cooler.
  • the evaporating units/convector fans are installed in the individual environments to be conditioned, and make it possible to condition the corresponding environments in a manner which is differentiated in terms both of humidity and quality of the air.
  • conditioning units which are designed to be connected to additional ventilation elements which are outside the unit, are not normally supplied with the unit, and are intended to admit into the unit itself the external air which has not been processed and is admitted by means of corresponding ducts.
  • the foregoing information therefore shows the need to have a conditioning unit which can condition different environments by regulating both the temperature and humidity in a differentiated manner.
  • a further requirement consists of making it possible to have an air-conditioning unit which, when required, can guarantee an adequate exchange of air of the air-conditioned environments.
  • the object of the present invention is thus to propose an air-conditioning unit which has functional and structural characteristics such as to meet the aforementioned requirements, and simultaneously to eliminate the disadvantages encountered in the systems described with reference to the known art.
  • 1 indicates as a whole an air-conditioning unit according to the present invention.
  • the unit 1 can be inserted in direct-expansion and water air-conditioning systems.
  • the unit 1 as described hereinafter can be installed in the false ceiling.
  • the unit 1 according to the invention can also be installed in a different location, for example in an environment which is correspondingly dedicated to it within a building.
  • a plurality of air-conditioning modules M j are housed inside the case 2 of the unit 1.
  • Each conditioning module M j comprises an air conveyor element 3 which has an air intake opening 4 in fluid communication with a respective air intake mouth I n of the support structure 2, and an air delivery opening 5 in fluid communication with a respective air delivery mouth O n of the support structure 2.
  • the conveyor element 3 can be made of thermally insulated metal plate, or of polyurethane.
  • the case 2 of the unit 1 comprises a surrounding frame 20, an upper panel 21 which can be secured by being closed onto the top of the frame 20, a pair of crossed ribs 22 provided in the lower part of the frame 20, and a plurality of lower panels 23, 24 which are appropriately shaped, such as to be closed onto the bottom of the frame 20, and in particular onto the ribs 22 of the frame 20.
  • the upper panel 21 has a form which is suitable for closing the frame 20 at the top, it can be made of metal plate, and it is advantageously thermally insulated.
  • the shape of the frame 20 varies according to the number of conditioning modules M j which must be housed in its interior.
  • the frame 20 is shaped such that, once the conditioning modules M j are housed, empty areas 25 remain inside the frame 20 itself. These empty areas 25 form air boxes between the outer structure of the conditioning modules M j , i.e. the wall 3a of the conveyor element 3 in the example given, and the inner wall 20a of the frame 20.
  • the conveyer element 3 is closed at the top by a portion of the panel 21 and at the bottom by a removable panel, for example the panel 27, the function of which will become apparent from the remainder of the present description, such as to define a closed conveyor element with only two openings, in this specific case the air intake opening 4 and the air delivery opening 5.
  • the closed conveyor element can be produced with a different structure, whilst however retaining the two air intake and delivery openings 4 and 5.
  • the conditioning modules M j are positioned inside the support structure of the unit 1, such that the intake mouths I n and delivery mouths O n of the unit 1 correspond to the respective air intake openings 4 and air delivery openings 5 of each module M j .
  • the conveyor element 3 can be secured to the frame 20 by securing means which are known, and are therefore not described further.
  • Each module M j can also comprise air filters and other elements which in themselves are known to persons skilled in the art, and will therefore not be described in further detail.
  • the unit 1 comprises ventilation means for the intake of air by the air intake mouths I n and to expel air from the air delivery mouths O n , and means for heat exchange.
  • the ventilation means comprise a ventilation element 6 which is housed in each conditioning module M j
  • the heat exchange means comprise a first heat exchange element 7 which is housed in each air conditioning module M j at the respective air intake opening 4.
  • each air intake mouth I n is taken in and conveyed inside each module M j by the respective ventilation element 6 via the respective air intake opening 4 which is provided in the air conveyor element 3.
  • the air admitted is intercepted by the heat exchange element 7 which is housed in each conditioning module M j at the respective air intake opening 4, and is thus conditioned by the heat exchange element 7.
  • the air which is conditioned by the heat exchange element 7 is then conveyed by the ventilation element 6 to the delivery opening 5 of each module M j , and is expelled from the corresponding air delivery mouth O n of the unit 1.
  • each conditioning module M j processes the air admitted by the corresponding air intake mouth I n independently from the other modules M j .
  • the presence of a heat exchange module, i.e. the element 7, inside each conditioning module M j makes it possible to condition the air independently from the other modules M j .
  • the ventilation element 6 can for example be a ventilating unit with a variable-speed and adjustable electric motor.
  • the ventilating unit can for example be a fan of the high-performance centrifugal type.
  • the first heat exchange element 7 comprises an air heating/cooling element which can heat/cool the air admitted by the respective ventilation element 6 via the respective air intake opening 4.
  • the heating/cooling battery 7 can be a battery which is supplied with water, or a direct-expansion battery in the case of coolant fluid supplied by means of a heat pump/motorised condenser. In both cases, the battery 7 has two attachments for connection of the delivery pipes to and from a fluid supply unit.
  • the battery 7 can for example be a battery with copper pipes and aluminium fins.
  • each conditioning module M j is provided with a condensation collection tray 26.
  • the collection tray 26 is integrated in the lower closure panel 27 which closes the conveyor element 3 at the bottom.
  • the closure panel 27 can be of the metal plate type, and shaped suitably for being secured to the base of the conveyor element 3.
  • a condensation discharge device 28 is provided, which, by means of rubber tubes, is connected to the collection trays 26 of the corresponding conditioning modules M j .
  • the device 28 can also comprise a discharge pump and all the typical hydraulic elements necessary for its installation and functioning.
  • the heat exchange means can advantageously comprise a second heat exchange element 8 which is housed in at least one of the conditioning modules M j , downstream from the ventilation element 6 or at the delivery to the ventilation element 6.
  • This second heat exchange element 8 makes it possible to regulate further the temperature, and, when it is used for summer post-heating, makes it possible to regulate the humidity of the air expelled from the air-conditioning module M j in which it is housed.
  • this second heat exchange element 8 comprises an air heating battery which can heat the air to be expelled from the corresponding air delivery opening 5 via the corresponding ventilation element 6.
  • the air heating battery 8 can be a coolant gas or water battery or an electric battery.
  • the battery is positioned at the respective air delivery opening 5.
  • the battery is positioned on the delivery mouth 6a of the ventilation element 6, such as to make the best possible use of the calorific power supplied by the electric battery itself.
  • the electric battery is provided in a known manner with a safety thermostat and with the necessary wiring to be installed on the delivery mouth 6a of the ventilation element 6.
  • the use of the additional battery 8 is particularly advantageous in conditioning systems with 4 pipes. Examples are given hereinafter of application of the additional post-heating battery 8 in the unit 1.
  • any additional hot-water or electric battery 8 can be used both in the summer conditioning and in the winter conditioning with a heat pump.
  • the additional battery 8 supplements or replaces the battery 7 which is supplied with a heat pump, depending on the temperature of the external air to be processed.
  • air-conditioning modules M j can have a water battery 7 for connection to a water system, and others can have a coolant gas battery 7 for connection to a direct expansion system, if the two systems are present simultaneously.
  • the unit 1 makes it possible not only to select the number of heat exchange batteries to be inserted in each conditioning module Mj, but also to select the type of battery, such as to make the best possible use of the heating and cooling resources of the conditioning system in which the unit is installed, thus making an improvement on the limits of the two systems taken individually.
  • the space which is designed to accommodate it inside the conditioning module M j can be used to insert an acoustic attenuator which guarantees better acoustic insulation of the unit 1.
  • each conditioning module M j the ventilation element 6 and the heat exchange batteries 7,8 of each conditioning module M j are secured to the upper panel 20, whereas the accessibility to the modules M j for their maintenance takes place from the lower part of the frame 20, by removing the lower shaped metal plate panels 23 which are secured to the crossed ribs 22, and dismantling in succession the lower closure panels 27 of the individual conditioning modules M j .
  • each conditioning module M j i.e. the ventilation element 6, the first heat exchange battery 7, and, if it is present, the second heat exchange battery 8, in order to carry out the necessary operations of maintenance and/or replacement.
  • the hydraulic connections for the batteries 7,8 are positioned outside the conditioning module M j , for example on the frame 20 of the case 2. It is also necessary to provide a three-way valve of the ON-OFF type for each air-conditioning module M j , both for application of the unit 1 to systems with 2 pipes, and for application to systems with 4 pipes.
  • Figures 11 and 12 show examples of hydraulic connections of the unit 1 in the case respectively of conditioning systems with 2 and 4 pipes.
  • each air-conditioning unit module M j comprises a dividing element 9 which is housed in the air conveyor element 3, in order to provide an air intake area 10 in which the air intake opening 4 is present, and an air delivery area 11 in which the air delivery opening 5 is present.
  • An opening 12 is provided in the dividing element 9 in order to put into communication the air intake area 10 and the air delivery area 11.
  • the ventilation element 6 is housed in the air intake area 10 such that its delivery mouth 6a is at the opening 12 in the dividing element 9.
  • the dividing element 9 makes it possible to separate physically the area 10 in which the air is processed by the first heat exchange element 7, from the area 11 in which the air is processed by the second heat exchange element 8, when the latter is present.
  • the unit 1 comprises electronic control means (not shown in the figures) for control of the functioning of the individual conditioning modules M j .
  • the unit 1 can be allocated to the conditioning of several environments.
  • the air intake mouths I n and air delivery mouths O n for each conditioning module M j are designed to be connected to different environments to be conditioned.
  • N J+K
  • O n is equal to the number J of air-conditioning modules M j added to the number of air-ventilation modules F k .
  • Each air-ventilation module F has the same elements as the above-described air-conditioning module M j , apart from the heat exchange elements 7,8.
  • the air-ventilation module F comprises an air conveyor element 3 which has an air intake opening 4 in fluid communication with a corresponding air intake mouth I n and an air delivery opening 5 in fluid communication with a corresponding air delivery mouth O n and an air ventilation element 6 which is housed in the ventilation module F.
  • the air intake mouths I n and air delivery mouths O n for at least part of the conditioning modules M j are designed to be connected to the single environment to be conditioned, in order to carry out a function of conditioning with air recirculation
  • the air intake mouths I n and air delivery mouths O n for the air-ventilation module are designed to be connected respectively to the single environment to be conditioned and to the exterior of this single environment to be conditioned, in order to carry out a function of extraction of air from the environment.
  • the air extraction does not require conditioning of the air, and therefore it does not require the use of the heat exchange elements 7,8.
  • the air intake mouths I n and air delivery mouths O n for the other part of the air-conditioning modules M j are designed to be connected respectively to the exterior of the single environment to be conditioned and to the environment to be conditioned in order to carry out a function of emission of conditioned air into the environment, or renewal or replacement of air.
  • the unit 1 can be used to condition different environments, and at the same time to perform several functions (recirculation, extraction and replacement of air) in one or more of the environments, according to the connections of the intake and delivery mouths, and according to the type of modules to be connected.
  • the air-conditioning unit according to the present invention makes it possible to satisfy the requirements and overcome the disadvantages referred to in the introductory part of the present description, with reference to the known art.
  • the air-conditioning unit permits independent control of different environments, but with a centralised installation and with centralisation of the maintenance activities.
  • the unit makes it possible to condition several environments which have delivery and intake in line, to and from each environment, and prevents mixing of the different flows of air obtained from the different environments.

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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)
  • Duct Arrangements (AREA)

Claims (9)

  1. Unité de climatisation (1) comprenant un boîtier (2) doté d'une pluralité (N) d'embouchures d'admission d'air (In) et une pluralité correspondante (N) d'embouchures de distribution d'air (On), des moyens de ventilation pour admettre l'air par le biais desdites embouchures d'admission d'air (In) et pour expulser l'air par lesdites embouchures de distribution d'air (On) et des moyens d'échange de chaleur,
    caractérisée en ce que
    l'unité de climatisation (1) comprend une pluralité (J) de modules de climatisation (Mj) qui sont logés dans ledit boîtier (2), chaque module de climatisation (Mj) comprenant un élément de transport d'air fermé (3) qui présente une ouverture d'admission d'air (4) en communication fluidique avec une embouchure d'admission d'air correspondante parmi lesdites embouchures d'admission d'air (In) et une ouverture de distribution d'air (5) en communication fluidique avec une embouchure de distribution d'air correspondante parmi lesdites embouchures de distribution d'air (On),
    lesdits moyens de ventilation comprenant un élément de ventilation (6) qui est logé dans chaque module desdits modules de climatisation (Mj),
    lesdits moyens d'échange de chaleur comprenant au moins un premier élément d'échange d'air (7) qui est logé dans chaque module parmi lesdits modules de climatisation (Mj) au niveau de l'ouverture d'admission d'air (4) correspondante.
  2. Unité de climatisation (1) selon la revendication 1, dans laquelle ledit premier élément d'échange de chaleur (7) comprend une batterie de refroidissement/de chauffage d'air destinée à refroidir/chauffer l'air admis par l'élément de ventilation (6) correspondant par le biais de l'ouverture d'admission d'air (4) correspondante.
  3. Unité de climatisation (1) selon la revendication 1 ou la revendication 2, dans laquelle lesdits moyens d'échange d'air comprennent un second élément d'échange d'air (8) qui est logé dans au moins un module parmi lesdits modules de climatisation (Mj) au niveau de la distribution de l'élément de ventilation (6).
  4. Unité de climatisation (1) selon la revendication 3, dans laquelle ledit second élément d'échange de chaleur (8) comprend une batterie de chauffage d'air destinée à chauffer l'air à expulser par l'ouverture de distribution d'air (5) correspondante par le biais de l'élément de ventilation (6) correspondant.
  5. Unité de climatisation (1) selon l'une quelconque des revendications 1 à 4, dans laquelle les embouchures d'admission d'air (In) et les embouchures de distribution d'air (On) pour chaque module de climatisation sont destinées à être raccordées à différents environnements à climatiser.
  6. Unité de climatisation (1) selon l'une quelconque des revendications 1 à 4, comprenant également au moins un module de ventilation d'air (FK) qui est logé dans ledit boîtier (2), chaque module de ventilation d'air (FK) comprenant un élément de transport d'air (3) qui présente une ouverture d'admission d'air (4) en communication fluidique avec une embouchure d'admission d'air correspondante parmi lesdites embouchures d'admission d'air (In) et une ouverture de distribution d'air (5) en communication fluidique avec une embouchure de distribution d'air correspondante parmi lesdites embouchures de distribution d'air (On) et un élément de ventilation d'air (6) qui est logé dans ledit module de ventilation (FK).
  7. Unité de climatisation (1) selon la revendication 6, dans laquelle les embouchures d'admission d'air (In) et les embouchures de distribution d'air (On) pour au moins une partie des modules de climatisation (Mj) sont destinées à être raccordées à un seul environnement à climatiser, pour exécuter une fonction de climatisation avec le recyclage de l'air dans ledit environnement, et les embouchures d'admission d'air (In) et les embouchures de distribution d'air (On) pour chaque module de ventilation d'air (FK) sont destinées à être raccordées respectivement audit seul environnement à climatiser, et sur l'extérieur dudit seul environnement à climatiser afin d'exécuter une fonction d'extraction de l'air depuis ledit environnement.
  8. Unité de climatisation (1) selon la revendication 7, dans laquelle les embouchures d'admission d'air (In) et les embouchures de distribution d'air (On) pour l'autre partie des modules de climatisation sont destinées à être raccordées respectivement à l'extérieur dudit seul environnement à climatiser et audit seul environnement à climatiser, pour exécuter une fonction d'émission d'air climatisé à l'intérieur dudit environnement.
  9. Unité de climatisation (1) selon l'une quelconque des revendications 1 à 8, dans laquelle chaque module parmi lesdits modules de climatisation (MJ) comprend un élément diviseur (9) qui est logé dans ledit élément de transport d'air fermé (3) destiné à identifier une zone d'admission d'air (10) qui est pourvue de l'ouverture d'admission d'air (4) et une zone de distribution d'air (11) qui est pourvue de l'ouverture de distribution d'air (5), une ouverture (12) étant prévue dans ledit élément diviseur (9) afin de mettre en communication lesdites zones d'admission d'air (10) et de distribution d'air (11).
EP05425893A 2005-12-19 2005-12-19 Dispositif de climatisation modulaire Not-in-force EP1798491B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602005008625T DE602005008625D1 (de) 2005-12-19 2005-12-19 Modulare Klimaanlage
EP05425893A EP1798491B1 (fr) 2005-12-19 2005-12-19 Dispositif de climatisation modulaire
AT05425893T ATE403115T1 (de) 2005-12-19 2005-12-19 Modulare klimaanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05425893A EP1798491B1 (fr) 2005-12-19 2005-12-19 Dispositif de climatisation modulaire

Publications (2)

Publication Number Publication Date
EP1798491A1 EP1798491A1 (fr) 2007-06-20
EP1798491B1 true EP1798491B1 (fr) 2008-07-30

Family

ID=36293286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05425893A Not-in-force EP1798491B1 (fr) 2005-12-19 2005-12-19 Dispositif de climatisation modulaire

Country Status (3)

Country Link
EP (1) EP1798491B1 (fr)
AT (1) ATE403115T1 (fr)
DE (1) DE602005008625D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420789B1 (fr) * 2010-08-19 2018-02-28 Laborelec CVBA Échangeur de chaleur refroidi par air muni d'un panneau rigide formant pare-vent
EP3605481A1 (fr) * 2018-08-03 2020-02-05 Giuseppe Piccinni Casque de réalité virtuelle fonctionnant avec des pieces de monnaie en position determinée
CN114294727A (zh) * 2022-01-07 2022-04-08 中铁建设集团机电安装有限公司 一种冬季可同时供冷热的两管制空调机组

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604310A1 (de) * 1965-11-12 1970-10-22 Ventilator Ag Klima- und Lueftungsanlage
DE2306209A1 (de) * 1973-02-08 1974-08-15 Friedrich Mittlmeier Klimaanlage-element
US5701750A (en) * 1995-06-26 1997-12-30 Ray; Robert W. Zone demand controlled dual heat pump system and controller therefor
US6792766B2 (en) * 2002-10-04 2004-09-21 Cascade Manufacturing, L.P. Zone demand controlled dual air conditioning system and controller therefor
JP2004245489A (ja) * 2003-02-13 2004-09-02 Kurogane Kosakusho Ltd ファンコイルユニット

Also Published As

Publication number Publication date
ATE403115T1 (de) 2008-08-15
DE602005008625D1 (de) 2008-09-11
EP1798491A1 (fr) 2007-06-20

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