EP1850012B1 - Dispositif de ventilation - Google Patents

Dispositif de ventilation Download PDF

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Publication number
EP1850012B1
EP1850012B1 EP07356055A EP07356055A EP1850012B1 EP 1850012 B1 EP1850012 B1 EP 1850012B1 EP 07356055 A EP07356055 A EP 07356055A EP 07356055 A EP07356055 A EP 07356055A EP 1850012 B1 EP1850012 B1 EP 1850012B1
Authority
EP
European Patent Office
Prior art keywords
ventilation device
air
motor
case
suction
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.)
Active
Application number
EP07356055A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1850012A1 (fr
Inventor
Serge Buseyne
Jean-François NOUVEL
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.)
Aldes Aeraulique SA
Original Assignee
Aldes Aeraulique SA
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 Aldes Aeraulique SA filed Critical Aldes Aeraulique SA
Publication of EP1850012A1 publication Critical patent/EP1850012A1/fr
Application granted granted Critical
Publication of EP1850012B1 publication Critical patent/EP1850012B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet

Definitions

  • the present invention relates to a ventilation device.
  • the invention aims a ventilation device comprising a box in which is placed a turbine whose wheel is adapted to be rotated by a motor, the box having at least one suction port through which the air can be sucked inside the box by means of the turbine and a discharge port through which the air can be discharged outside the box.
  • a ventilation device is typically used in a VMC (controlled mechanical ventilation) installation.
  • the invention aims to provide another solution, particularly effective, to reduce the power consumption of the ventilation devices.
  • the invention relates to a ventilation device of the aforementioned type, wherein the motor is disposed outside the intake air flow, the turbine being directly coupled to the motor shaft, the ventilation device further comprising a channel which surrounds the engine and is in communication with the air outside the box and with a zone of depression inside the turbine, the channel being arranged to allow air circulation enough around the engine to cool the engine.
  • the ventilation device comprises two suction orifices arranged facing each other and a deflection member for the sucked-up air, arranged so as to direct the air entering the chamber through said suction ports to the suction horn of the turbine.
  • the engine being outside the intake air flow, it can not be cooled by this air. If the engine does not have a clean ventilation system or if this system is not enough, the engine may heat up and therefore not work properly. By providing a channel around the engine in which air can circulate to cool the engine, this problem is solved.
  • the document DE 29 52 407 discloses a ventilation device comprising a box in which is placed a turbine whose wheel is adapted to be rotated by a motor, the box having at least one suction port through which the air can be sucked inside of the box by means of the turbine and a discharge orifice through which the air can be discharged outside the box, characterized in that the motor being arranged outside the intake air flow, the turbine being directly coupled to the motor shaft, the ventilation device comprising a channel which surrounds the motor and is in communication on the one hand with the air outside the box and on the other hand with a depression zone inside the turbine , the channel being arranged to allow sufficient air circulation around the engine to ensure cooling of the latter.
  • a complementary problem related to the use of such motors and such a direct coupling on the motor shaft is that for reasons of simplicity of construction, the ventilation turbines are single hearing (only one suction horn in the fan turbine). However it is essential for reasons of installation and connection of the networks that the ventilation box has two connections or suction ports arranged opposite, each serving a branch of the air extraction network. Thus, the use of a ventilation device with two suction ports with a motor arranged outside the intake air flow leads to a configuration where the two orifices are arranged vis-à-vis.
  • the invention thus makes it possible to cumulate the gains related to several parameters and thus to obtain a particularly economical ventilation device.
  • the channel has for example the shape of a cylinder closely surrounding the engine.
  • the motor is a permanent magnet motor and electronic commutation.
  • This type of engine has a high electrical efficiency, which further improves the efficiency of the ventilation device.
  • these The motors are very easy to drive (speed variation), which allows a very precise regulation of the ventilation system according to the needs. This represents a very important advantage over the prior art, in which the adjustment of the flow characteristics of the ventilation device was carried out only at the start of the installation and finally, by the adjustment of the pulley systems. belts.
  • the fact that motors with permanent magnet and electronic commutation, which are not ventilated, are placed outside the intake air flow is not a problem because of the existence of the channel in which the cooling air circulates.
  • the two suction ports may have the same axis which is substantially orthogonal to the axis of the suction horn of the turbine.
  • the deflection member may comprise two substantially flat walls each disposed facing a suction port, the walls being inclined towards each other and forming a point directed towards the suction plate of the turbine.
  • the deflection member may comprise an acoustically absorbing material. In this case, there is obtained a loss of noise radiated by the ventilation device to the suction networks, and thus a decrease in the sound power level of the system.
  • the deflection member may be formed from a solid sheet or perforated sheet, with or without an acoustically absorbing material, or be made of a block of acoustically absorbent material shaped.
  • the figure 1 represents a ventilation device 1 comprising a substantially parallelepipedal box 2.
  • Box 2 has a wall 3, an upper wall 4, two side walls 5, 6, a front wall 7 and a rear wall 8.
  • the longitudinal axis 9 of the box 2 is defined as the axis orthogonal to the front walls 7 and rear 8, and arranged centrally ( figure 2 ).
  • a first and a second partition wall 10, 11, substantially parallel to the front walls 7 and rear 8, define inside the box 2 three compartments 12, 13, 14.
  • the output shaft 16 is disposed along the longitudinal axis 9 and passes through an opening 17 formed in the first partition wall 10.
  • a turbine 18 whose wheel 19 is directly coupled to the shaft 16 of the engine 15.
  • the side walls 5, 6 of the box 2 each have a suction port 20, 21
  • the two orifices 20, 21 are arranged vis-à-vis and are here substantially circular.
  • the motor 15 drives the wheel 19 of the turbine 18, leading to the suction of the air outside the box 2 through the suction ports 20, 21 and the suction horn 22 of the turbine 18, then to their evacuation to the outside of the box 2 by a discharge orifice 23 formed in the upper wall 4 and can be provided with a grid.
  • the discharge port 23 is connected to a discharge conduit.
  • the motor 15 is preferably a permanent magnet motor and electronic commutation. This type of engine does not have a clean cooling system. However, with the arrangement described above, the motor 15 is disposed outside the intake air flow.
  • a channel 24 surrounding the motor 15 is formed in the first compartment 12.
  • the channel 24 is here made from a rolled sheet and welded, and has the shape of a cylinder 9 axis closely surrounding the motor 15.
  • the channel 24 has a first axial end adjacent to the first partition wall 10, and surrounding the opening 17, and a second axial end located at the inside of the box 2, close to but away from the rear wall 8.
  • An inlet 25 is formed in the rear wall 8 of the box 2, centrally on the longitudinal axis 9. This inlet 25 is is placed in the open air ( Figures 1 to 5 ), is connected to a conduit to draw air in any other remote area further away (out of the local, on the discharge pipe or any other appropriate provision).
  • the channel 24 in order for the cooling of the engine to be satisfactory, the channel 24 must be both large enough to allow a large air flow around the engine 15, and small enough to obtain good efficiency. cooling by forced convection.
  • the dimensioning of the space between the motor 15 and the channel depends on the caisson 2.
  • this space should be between 10 and 20 mm, the air flow circulating around the engine varies between a few tens and a few hundred m 3 / h for ventilation chambers carrying a few thousand m 3 / h.
  • a deflection member 26 of the sucked air is disposed in the third compartment 14.
  • This deflection member 26 comprises two substantially flat walls and perpendicular to the lower 3 and upper 4 walls, each disposed facing a suction orifice, and forming a V whose tip is directed towards the suction horn 22 of the turbine 18. These walls extend from the front wall 7 of the caisson 2, to which they are attached, about two-thirds of the longitudinal dimension the third compartment 14, and are spaced from the lower walls 3 and upper 4.
  • the deflection member 26 may further comprise an acoustically absorbent material or be made of such material. This reduces the noise caused by the ventilation device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Seal Device For Vehicle (AREA)
  • Liquid Crystal (AREA)
  • Massaging Devices (AREA)
  • Finger-Pressure Massage (AREA)
EP07356055A 2006-04-28 2007-04-24 Dispositif de ventilation Active EP1850012B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0603851A FR2900449B1 (fr) 2006-04-28 2006-04-28 Dispositif de ventilation

Publications (2)

Publication Number Publication Date
EP1850012A1 EP1850012A1 (fr) 2007-10-31
EP1850012B1 true EP1850012B1 (fr) 2008-12-24

Family

ID=37517093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07356055A Active EP1850012B1 (fr) 2006-04-28 2007-04-24 Dispositif de ventilation

Country Status (5)

Country Link
EP (1) EP1850012B1 (es)
AT (1) ATE418680T1 (es)
DE (1) DE602007000388D1 (es)
ES (1) ES2319698T3 (es)
FR (1) FR2900449B1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2950132B1 (fr) * 2009-09-11 2012-01-13 Soler & Palau Dispositif de refroidissement pour un caisson de ventilation a pression constante
FR2951248B1 (fr) * 2009-10-14 2012-03-09 France Air Caisson d'extraction d'air et procede de controle du caisson
FR3033627B1 (fr) * 2015-03-13 2020-01-24 France Air Caisson de ventilation
FR3043760B1 (fr) * 2015-11-13 2017-11-24 Aldes Aeraulique Caisson de ventilation modulaire recevant des gaines avec un grand choix d’orientation
FR3047524B1 (fr) * 2016-02-09 2019-12-06 Atlantic Climatisation & Ventilation Dispositif de ventilation
FR3050515B1 (fr) * 2016-04-20 2019-04-26 Soler & Palau Research S.L Caisson extracteur de fumees
FR3074568B1 (fr) * 2017-12-05 2020-07-10 Astato Caisson de ventilation d'une chicane en amont
US11156229B2 (en) * 2019-05-08 2021-10-26 Xceed Engineering LLC Livestock blower apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2952407A1 (de) * 1979-12-27 1981-07-02 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Radialgeblaese
SE443408B (sv) * 1979-09-28 1986-02-24 Sueddeutsche Kuehler Behr Radialflekt for verme- eller luftkonditioneringsanleggningar i fordon
SE9303599L (sv) * 1993-11-02 1995-05-03 Electrolux Ab Anordning för att kyla ett elmotordrivet turbofläktaggregat
IT1308475B1 (it) * 1999-05-07 2001-12-17 Gate Spa Motoventilatore, particolarmente per uno scambiatore di calore di unautoveicolo
US6439861B1 (en) * 2000-11-22 2002-08-27 Sen-Yuan Shieh Blower machine with an inherent air flow heat dissipation structure
DE10200951A1 (de) * 2002-01-08 2003-08-14 Kern Gmbh Dr Staubsaugergebläse
FR2859579B1 (fr) * 2003-09-10 2006-03-03 Valeo Climatisation Dispositif pour le support d'un moteur electrique entrainant une turbine, en particulier pour un appareil de chauffage, ventilation et/ou climatisation de vehicule automobile

Also Published As

Publication number Publication date
DE602007000388D1 (de) 2009-02-05
FR2900449A1 (fr) 2007-11-02
EP1850012A1 (fr) 2007-10-31
ES2319698T3 (es) 2009-05-11
FR2900449B1 (fr) 2012-08-24
ATE418680T1 (de) 2009-01-15

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