EP1625331B1 - Gebläsezusammenbau - Google Patents

Gebläsezusammenbau Download PDF

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Publication number
EP1625331B1
EP1625331B1 EP03727974A EP03727974A EP1625331B1 EP 1625331 B1 EP1625331 B1 EP 1625331B1 EP 03727974 A EP03727974 A EP 03727974A EP 03727974 A EP03727974 A EP 03727974A EP 1625331 B1 EP1625331 B1 EP 1625331B1
Authority
EP
European Patent Office
Prior art keywords
fan
cradle
convector
trough
motor
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
EP03727974A
Other languages
English (en)
French (fr)
Other versions
EP1625331A1 (de
Inventor
Valerio Giordano Riello
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.)
Giordano Riello International Group SpA
Original Assignee
Giordano Riello International Group SpA
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 Giordano Riello International Group SpA filed Critical Giordano Riello International Group SpA
Publication of EP1625331A1 publication Critical patent/EP1625331A1/de
Application granted granted Critical
Publication of EP1625331B1 publication Critical patent/EP1625331B1/de
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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • 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
    • F24F2013/205—Mounting a ventilator fan therein

Definitions

  • the present invention relates to a structure for a fan/convector, particularly to a structure for supporting a plurality of electromechanical devices, according to the preamble to Claim 1.
  • fan/convectors are particularly suitable for the construction of air-conditioning systems both in new and in existing buildings and are ideal for installation in hotels, restaurants, bars, residential buildings, houses, etc.
  • fan/convectors are able to heat, cool, dehumidify, and filter air and to maintain the desired temperature throughout the year.
  • the electromechanical devices inside the fan/convector usually comprise at least one electric motor and several fans/blowers, connected to one another by means of a drive-transmission shaft, as well as various other devices.
  • a typical known structure of a fan/convector is shown in WO99/67565 .
  • the document discloses a machine comprising an air intake opening, a heat exchanger suitable for conditioning the air taken in, an opening for the discharge of the air taken in, which opening is provided with orientable deflector elements, one motor and fans driven by the motor.
  • the disclosed structure further comprises one support plate to which is fixed a cradle for the motor, the support plate and said cradle being provided with respective complementary locating means suitable for producing a form fit for a predetermined positioning of the cradle relative to the support plate.
  • the connection means by which the cradle is fixed to the support plate are in form of bent fingers provided on the cradle which enter corresponding openings provided on the support plate.
  • the cradle When the fingers are in position through the openings, the cradle is horizontally displaced so that the bent fingers engage the thickness of the support plate.
  • screws are used to keep in place the cradle, such a type of connection is a source of vibrations because it becomes slack after a short time of functioning of the fan/convector.
  • the air-conditioning unit prefferably be as quiet as possible in order not to disturb users/consumers who are close to the fan/convector.
  • the object of the present invention is to provide a fan/convector which is free of the problems of the prior art.
  • An object of the present invention is therefore to provide a fan/convector having low operative noise.
  • this object is achieved by means of a structure for a fan/convector according to the characterizing part of Claim 1.
  • the electromechanical devices of which the fan/convector is composed can be assembled with the most rigorous compliance with design tolerances.
  • a further advantage is that the fan/convector is easier to inspect, facilitating cleaning.
  • the fan/convector generally indicated 1, comprises an intake opening 2 provided with an air filter 3; the air-flow 4 is conveyed, by means of a pumping unit 5, from the environment surrounding the fan/convector 1, through the opening 2, towards a heat exchanger 6.
  • the heat-exchanger 6 comprises a coil (not shown in the drawing) through which a hot and/or cold fluid flows, according to the climate to be created in the surrounding environment.
  • the fluid is preferably but not necessarily water.
  • the air-flow 4 drawn from the environment surrounding the fan/convector 1 is thus heated and/or cooled and is conveyed towards an outlet opening 7 by means of at least one orientable deflector element 8.
  • the orientable deflector element 8 is oriented and guided to a plurality of angular positions between a closed position and a fully open position by means of an electric motor (not shown in the drawings).
  • the air filter 6 is electrostatically precharged, thus enabling the air 4 to be filtered so as to render it almost free of dust, spores and bacteria.
  • the pumping unit 5 comprises an electric motor 9 to be housed and positioned in a cradle 10; the electric motor 9 is used for driving a pair of fans 11a and 11b.
  • the fans 11a and 11b are provided, for example, with centrifugal rotors 11c with straight blades and are made, for example, of plastics material such as ABS which is characterized by good resistance to high temperatures and to mechanical stresses.
  • the rotors 11c of the fans 11a and 11b are housed in respective shells 11d, which are made, for example, of plastics material.
  • the electric motor 9 comprises a loadbearing structure 12 for supporting a stator element (not shown in the drawing) and a drive shaft 13 to which a rotor (not shown in the drawing) is connected.
  • the drive shaft 13 projects from both ends of the electric motor 9 along a longitudinal axis of rotation (X-X).
  • the electric motor 9 can be housed and positioned in the cradle 10, the function of which is to support the electric motor 9 in operation.
  • the motor cradle 10 is connected, as described in detail below, to a trough 14 for the collection of condensation.
  • the condensation-collection trough 14 is made of galvanized sheet-metal having, for example, a thickness of 1 mm. This prevents the growth of bacteria, germs and mould in the condensation trough in the long term.
  • the condensation which collects in the trough 14 must be conveyed to the drainage system of the building through a draining system (not shown in the drawings) which is accessible after removal of a plug 27.
  • the plug 27 and the draining system associated therewith may equally well be arranged on the right-hand side or left-hand side of the trough 14.
  • the trough 14 has a rectangular shape provided with a base 14a with splayed edges 14b.
  • the trough 14 may also adopt other shapes such as, for example, a square shape, and other spatial positions instead of the horizontal position, for example, a vertical position, consistent with the external shape and positioning of the fan/convector 1.
  • the cradle 10 is in the form of a U-shaped bent sheet-metal structure having, for example, a thickness of 2.5 mm and provided with a base 15 and a pair of side walls 16 and 17.
  • the side walls 16 and 17 have respective recesses 18 and 19 which are suitable for housing respective portions 20 and 21 of the motor 9, that is, which can act as a seat for the electric motor 9.
  • the portions 20 and 21 of the electric motor 9 correspond to the shock-absorbers of the electric motor 9 which are disposed at both head ends of the shaft 13 of the motor 9.
  • the cradle 10 and the fans 11a and 11b are connected to the outer surface of the base 14a of the trough 14, that is, to the surface which does not act as the condensation-collection region.
  • the trough 14 thus acts both as a well for collecting water and as a structure for supporting or holding a plurality of electromechanical devices which, in the embodiment described, are the electric motor 9 and the fans 11a and 11b.
  • connection means 22 such as, for example, screws.
  • these screws are self-tapping screws with three-lobed cross-sections.
  • These self-tapping screws 22 are advantageously screwed into smooth holes, that is, holes that have not been threaded beforehand, so that the screws form their own counter-thread during the screwing operation by plastic deformation.
  • the continuity of the fibres of the material in the vicinity of the thread that is formed render a joint thus produced suitable for ensuring a firm grip and optimal resistance to stripping.
  • This method therefore ensures that there is no percolation of water from the trough 14 towards the interior of the fan/convector 1.
  • a portion 14c of the base 14a of the trough 14 is dished in the manner of a cup the end portion of which acts as a collar 26.
  • the top 28 of the collar 26 is thus at a higher level than the base 14a of the trough 14, thus preventing condensation from overflowing through the seat of the screw 22.
  • a further advantage of the use of this type of screw is a reduction in the steps for the processing of the metal matrix in which the self-tapping screw is engaged. In particular, boring and tapping of the hole can be avoided with a consequent saving in production times and costs.
  • this solution has the advantage that it does not use a split washer for the clamping operation between the screw 22 and the collar 26.
  • the cradle 10 and the trough 14 have complementary locating means 23 which can produce a form fit for a predetermined positioning of the cradle 10 relative to the trough 14.
  • the complementary locating means 23 take the form of a plurality or protuberances or bosses 24 on the base 14a of the trough 14, to be housed in recesses or depressions 25 formed in the base 15 of the cradle 10.
  • the trough 14 has a plurality of protuberances 24 suitable for being fitted in respective holes 24 in the cradle 10.
  • the motor seat 10 is the place that is intended for receiving the electric motor 9, which motor is intended to provide the drive to the fans 11a and 11b by means of the drive shaft 13, this embodiment advantageously eliminates errors which might arise at the assembly stage.
  • the positioning of the cradle 10 relative to the trough 14 permits an assembly in which the geometrical centre C of the cradle 10 and the geometrical centre C' of the trough 14 coincide.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Motor Or Generator Cooling System (AREA)

Claims (3)

  1. Aufbau für einen Gebläsekonvektor (1), wobei der Gebläsekonvektor (1) eine Luftansaugöffnung (2), die mit einem Filter (3) versehen ist, einen Wärmetauscher (6), der die angesaugte Luft klimatisieren kann, eine Öffnung (7), um die angesaugte Luft ausströmen zu lassen, wobei die Öffnung (7) mit zumindest einem einstellbaren Ablenkelement (8) versehen ist, sowie zumindest einen Motor (9) und zumindest ein Gebläse (11a, 11b) enthält, das vom Motor (9) angetrieben wird, wobei der Aufbau weiters zumindest eine Tragplatte (14) enthält, an der eine wiegenartige Halterung (10) befestigt ist, die mit einem Motorsitz (18, 19) versehen ist, um den Motor (9) aufzunehmen, wobei die Tragplatte (14) und die wiegenartige Halterung (10) mit entsprechenden komplementären Einstelleinrichtungen (23) ausgestattet sind, die dazu geeignet sind, um einen formschlüssigen Sitz für eine vorgegebene Einstellung der wiegenartigen Halterung (10) relativ zur Tragplatte (14) zu bilden,
    dadurch gekennzeichnet, dass die Tragplatte (14) eine das Kondenswasser sammelnde Wanne (14) ist, die eine Basis (14a) sowie Kanten (14b) besitzt, wobei die wiegenartige Halterung (10) an der Basis (14a) der Wanne (14) mit einer Vielzahl von Schrauben befestigt ist, wobei jede Schraube (22) in einen konkav gewölbten Teil (14c) der Basis (14a) der Wanne (14) so eingreift, dass der konkav gewölbte Teil (14c) zurückgezogen wird, wodurch der obere Teil (28) des konkav gewölbten Teils (14c) mit dem Schaft (29) der Schraube (22) gekuppelt wird.
  2. Gebläsekonvektor-Aufbau gemäß Anspruch 1, dadurch gekennzeichnet, dass die komplementäre Einstelleinrichtung (23) eine Vielzahl von Erhebungen (24) besitzt, die dazu geeignet sind, um in entsprechende Ausnehmungen (25) einzugreifen.
  3. Gebläsekonvektor-Aufbau gemäß Anspruch 2, dadurch gekennzeichnet, dass die Erhebungen (24) in der Basis (14a) der Wanne (14) und die Löcher (25) in der Basis (15) der wiegenartige Halterung (10) angeordnet sind.
EP03727974A 2003-05-22 2003-05-22 Gebläsezusammenbau Expired - Lifetime EP1625331B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2003/000312 WO2004104488A1 (en) 2003-05-22 2003-05-22 Fan convector assembly

Publications (2)

Publication Number Publication Date
EP1625331A1 EP1625331A1 (de) 2006-02-15
EP1625331B1 true EP1625331B1 (de) 2008-08-27

Family

ID=33463026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03727974A Expired - Lifetime EP1625331B1 (de) 2003-05-22 2003-05-22 Gebläsezusammenbau

Country Status (8)

Country Link
EP (1) EP1625331B1 (de)
CN (1) CN1798943A (de)
AT (1) ATE406548T1 (de)
AU (1) AU2003234080A1 (de)
DE (1) DE60323272D1 (de)
NO (1) NO20056001L (de)
UA (1) UA82238C2 (de)
WO (1) WO2004104488A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000018862A1 (it) * 2020-07-31 2022-01-31 Rm Sistemi S R L Ventilconvettore
CN113653921A (zh) * 2021-07-19 2021-11-16 温州大学 多媒体通讯互动设备
IT202200015816A1 (it) * 2022-07-27 2024-01-27 Rm Sistemi S R L Ventilconvettore.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222374A (en) * 1990-05-11 1993-06-29 Whirlpool Corporation Assembly method and construction for a room air conditioner
KR100273661B1 (ko) * 1998-05-27 2001-01-15 구자홍 공기조화기의모터고정장치
AU7901398A (en) * 1998-06-22 2000-01-10 Carrier Corporation Fan mounting assembly
US6357247B1 (en) * 2001-05-16 2002-03-19 Carrier Corporation Fan motor mount

Also Published As

Publication number Publication date
DE60323272D1 (de) 2008-10-09
NO20056001L (no) 2005-12-16
WO2004104488A1 (en) 2004-12-02
CN1798943A (zh) 2006-07-05
EP1625331A1 (de) 2006-02-15
ATE406548T1 (de) 2008-09-15
AU2003234080A1 (en) 2004-12-13
UA82238C2 (en) 2008-03-25

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