EP1518082A1 - Convecteur de chaleur avec element deflecteur reglable electriquement - Google Patents

Convecteur de chaleur avec element deflecteur reglable electriquement

Info

Publication number
EP1518082A1
EP1518082A1 EP02745808A EP02745808A EP1518082A1 EP 1518082 A1 EP1518082 A1 EP 1518082A1 EP 02745808 A EP02745808 A EP 02745808A EP 02745808 A EP02745808 A EP 02745808A EP 1518082 A1 EP1518082 A1 EP 1518082A1
Authority
EP
European Patent Office
Prior art keywords
electric motor
deflector element
heat convector
heat
convector according
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
EP02745808A
Other languages
German (de)
English (en)
Other versions
EP1518082B1 (fr
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
Priority to SI200230876T priority Critical patent/SI1518082T1/sl
Publication of EP1518082A1 publication Critical patent/EP1518082A1/fr
Application granted granted Critical
Publication of EP1518082B1 publication Critical patent/EP1518082B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1473—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with cams or levers

Definitions

  • the present invention refers to a heat convector with an electrically adjustable deflector element, in particular a heat convector with a deflector element which can be adjusted through an electric motor of the DC type .
  • Heat convectors equipped with systems for opening and/or closing one or more deflector elements or shutters or rollers are widely known and used. Such opening and/or closing systems are provided, for their movement, with means which can be controlled through electric motors, supplied by mains voltage and current.
  • Opening and/or closing systems are also known which are provided with means which can be controlled manually in function of the temperature detected through suitable detection devices .
  • Patents US 5,505,379 (Wagner), US 2,698,570 (Feinberg) , US 4,497,241 (Ohkata) and US 4,541,326 disclose opening and/or closing systems of the described previously type and indeed show opening and/or closing systems equipped with one or more rollers with means suitable for moving such rollers manually, or else controlled in function of the temperature detected or even a combination of the two control types.
  • patent US 5,505,379 discloses an air register, designed to couple with commercially available registers, equipped with movable-louvers.
  • the movement of the louvers can either take place through manual control or else through a temperature sensor of the type' using a bimetallic strip.
  • the movement of the louvers takes place through the bimetallic strip thermo- mechanical deformation, i.e. due to a deformation of the metal constituting the strip of material, caused by the airflow temperature.
  • Patent US 2,698,570 show an apparatus for controlling the air direction and air distribution, provided with louvers which oscillate due to a bellows filled with a temperature-sensitive gas.
  • Such systems have some drawbacks like, for example, the imprecision in the adjustment of the movement of the louvers depending upon the temperature detected, or else the impossibility of varying the- temperature range in accordance with which the movements of the louvers takes place.
  • Patents US 4,497,241 (Ohkata) and US 4,541,326 disclose an airflow direction control device equipped with a plurality of louvers which oscillate thanks to the presence of springs and/or blades of the shape-memory alloy type. In these applications the blade actuates the louvers opening and/or closing depending upon the airflow temperature . Also in these last two patents there are the drawbacks already illustrated in the previous patents, i.e. the imprecision in the adjustment of the movement of the louvers in function of the temperature detected and the impossibility of varying the temperature range depending upon the movements of the louvers take place.
  • patents US 4,497,241 (Ohkata) and US 4,541,326 (Fukuda et al . ) have as a further drawback the fact that the opening and closing of the rollers is not proportional to the temperature detected but is of the on/off type.
  • patent application EP 837288 in the name of AERMEC S.P.A., a fan convector is disclosed with deflector elements adjustable around an axis between a plurality of positions, i.e. between a closed position and a fully open position. This takes place through specific drive means controlled by an electric motor. The motor is supplied by mains voltage and is controlled depending on the temperature detected by a thermostat .
  • the scope of the present invention is to provide a heat convector with an electrically adjustable deflector element capable to overcome the drawbacks of known heat convectors .
  • Another scope of the present invention is to provide a heat convector with an adjustable deflector element of the stand-alone type. In accordance with the present invention, such a scope is achieved through a heat convector for heating air in closed environments in accordance with claim 1.
  • the present invention it is possible to realise a heat convector for heating air capable of operating without connection to the mains . Moreover, thanks to the present invention, it is possible to vary the temperature interval in accordance with which the opening and/or closing of the deflector element takes place .
  • figure 1 shows a partial section perspective view of a heat convector in accordance with the present invention
  • figure 2 shows a first embodiment of a circuit diagram of the heat convector in accordance, with the present invention
  • figure 3 shows a second embodiment of another circuit diagram of the heat convector in accordance with the present invention
  • figure 4 shows a perspective view of a first operating position of the first embodiment of the heat convector in accordance with the present invention
  • figure 5 shows a perspective view of a second operating position of the first embodiment of the heat convector _ in accordance with the present invention.
  • the heat convector generally indicated with 1, comprises an air intake opening 2 equipped with an air filter 3; the airflow 4 is conveyed from the surrounding environment through the opening 2 towards a heat _
  • the heat exchanger 5 comprises a cooling coil
  • the fluid is preferably but not necessarily water.
  • the airflow 4 taken from the environment surrounding the heat convector 1 is thus heated and conveyed towards an air outlet opening 6 through at least one adjustable deflector element 7.
  • Such an adjustable deflector element 7 is directed and driven in a plurality of angular positions between a closed position and a fully open position by means of an electric motor 8.
  • the electric motor 8 is capable of driving the deflector element 7 through a revolution reducer 9 connected to drive means 10.
  • the electric motor 8 is also connected to switching means 11 and 11a capable of switching the operating state of the electric motor itself.
  • the drive means 10 are of the articulated quadrilateral type and comprise: - a disc crank 12 shrunk onto the rotation axis X-X of the electric motor 8,
  • a connecting rod 15 suitable for connecting the free end of the rocker arm 13 with a point 12a of the disc crank 12 positioned eccentrically with respect to the rotation axis X-X of the electric motor 8 at a predetermined distance E.
  • the rocker arm 13 is sized in such a way that the distance D between its centre of rotation C and the point of connection 13a to the connecting rod 15 is greater than the eccentricity E.
  • the aforementioned sizing allows a predetermined angular rotation ⁇ of the rocker arm 13 around its centre of rotation C to take place for every complete rotation of the disc crank 12 around the axis X-X.
  • the deflector element 7 carries out a rotation first in one direction and then in the other for a total of 180°, i.e. 90° in the first rotation and another 90° in the second rotation.
  • the switching means 11a are slaved in switching to a cam and cam follower actuation group".
  • the cam is defined by the outline 12b of the disc crank 12, which is suitably shaped so as to form a plurality of distinct outline portions radiused each other and having different eccentricity values with respect to the rotation axis X-X.
  • the cam follower comprises a feeler 18 which, through per se known elastic means, not represented in the figures, is held elastically in contact against the outline 12b of the disc crank 12.
  • the disc crank 12 has two distinct angular portions each having a different eccentricity value and extending for an arc of circumference equal to about 180°.
  • the outline of the cam 12b defined by the outline of the disc crank 12, has two points of discontinuity in correspondence of which the displacement of the feeler 18 determines the switching of the switching means 11a.
  • the feeler 18 is positioned with respect to the disc crank 12 in such a way that the feeler 18 detects a discontinuity of the cam profile 12b when the deflector element 7 is in the closed or fully open position, as represented in figures 4 and 5.
  • said switching means 11 comprise a first unipolar deviator 16 suitable for switching between a first 16a and second 16b position in function of the air temperature and that said switching means 11a moreover comprise a second unipolar deviator 17 suitable for switching between a third 17a and fourth 17b position depending upon the angular position taken up by the deflector element 7.
  • the first unipolar deviator 16 is, for example, a bulb thermostat having a temperature range which can be defined to suit the user through an adjustment knob (not shown in the figures) .
  • a bulb thermostat 16 operates in a totally conventional manner.
  • the angular position of the deflector element 7 depends upon the position taken up by the feeler 18 which, as previously described, is determined by the cam outline 12b of the disc crank 12.
  • the electric motor 8 is supplied through a battery 19 with a nominal voltage for example of nine volts or twelve volts.
  • the second deviator switch from position 17a to position 17b. This causes the interruption of the conductive route with the consequent shutting down of the electric motor 8.
  • the bulb thermostat 16 switch from position 16b and returns to position 16a. Since the deviator 17 is in position 17b, the conductive route is again created between electric motor 8 and battery 19 such as to allow a further rotation of the electric motor 8 and consequently of the deflector element 7.
  • the feeler 18 follows the cam outline 12b having smaller eccentricity so that it reaches the point of discontinuity.
  • the temperature range ⁇ T can be set between ten and thirty degrees centigrade with a central optimal temperature of twenty degrees centigrade.
  • the user has a knob (not shown in the figures) available to him such as to allow the desired adjustment of the temperature range ⁇ T since such a knob acts directly upon the bulb thermostat in a per se known manner.
  • the electric motor 8 for example, is a DC motor capable of operating at low voltages (voltages supplied by the battery 19) with a low absorption of current, in the order of a few tens of milliamperes .
  • the reducer 9 allows passage from a rotation frequency of the electric motor 8 itself of about one thousand rpm to a rotation frequency of about sixteen rpm.
  • the electric motor 8 is connected on one side, through the reducer 9, directly to the deflector element 7, and on the other side to an electronic board 20.
  • the electric motor 8 is connected to the adjustable deflector element 7 without the interposition of the drive means 10 described in the first embodiment, so that the axis X-X of the electric motor 8 coincides with the axis Y-Y of the deflector element 7.
  • the electronic board 20 is supplied by the battery 19 and comprises a temperature probe 21.
  • the electronic board 20 allows, in a per se known way, for example through an open loop control comprising an amplifier and a bipolar full-bridge, the electric motor 8 to be commanded by current pulses so that for every current pulse the electric motor 8 moves on by a certain angle as a function of the temperature detected by the probe 21.
  • this second embodiment there is the possibility of opening and/or closing the deflector element 7, as well as between an open position and a closed position, i.e. open/closed of the on/off type, also between a plurality of angular positions a falling between a closed position and a fully open position. Therefore, it is an electric motor of the type commonly known as a stepper motor.
  • it is possible to carry out an adjustment of the open/closed movement of the deflector element 7 which is proportional to the temperature detected by the temperature probe 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Air-Flow Control Members (AREA)
  • Electron Beam Exposure (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Furnace Details (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

la présente invention concerne un convecteur de chaleur destiné au chauffage de l'air en milieu fermé, comprenant une bouche d'admission d'air (2) équipée d'un filtre à air (3), un échangeur de chaleur (5) assurant le chauffage de l'air (4), une bouche d'évacuation de l'air (6) équipée d'au moins élément déflecteur réglable (7). Cet élément déflecteur réglable (7), qui peut être réglé sur diverses positions angulaires entre une position de fermeture et une position de pleine ouverture, est actionné par un moteur électrique (8) via un dispositif d'entraînement (10), caractérisé en ce que ledit moteur électrique (8) est alimenté par une batterie (19) et est connecté à un dispositif de commutation (11, 11a) permettant de changer l'état de fonctionnement du moteur électrique (8). (figure 1)
EP02745808A 2002-06-26 2002-06-26 Convecteur de chaleur avec element deflecteur reglable electriquement Expired - Lifetime EP1518082B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200230876T SI1518082T1 (sl) 2002-06-26 2002-06-26 Toplotni konvektor z električno nastavljivim odklonskim elementom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2002/000425 WO2004003451A1 (fr) 2002-06-26 2002-06-26 Convecteur de chaleur avec element deflecteur reglable electriquement

Publications (2)

Publication Number Publication Date
EP1518082A1 true EP1518082A1 (fr) 2005-03-30
EP1518082B1 EP1518082B1 (fr) 2009-11-11

Family

ID=29798531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02745808A Expired - Lifetime EP1518082B1 (fr) 2002-06-26 2002-06-26 Convecteur de chaleur avec element deflecteur reglable electriquement

Country Status (13)

Country Link
EP (1) EP1518082B1 (fr)
CN (1) CN100494857C (fr)
AT (1) ATE448457T1 (fr)
AU (1) AU2002317497A1 (fr)
CA (1) CA2486791A1 (fr)
DE (1) DE60234390D1 (fr)
ES (1) ES2335978T3 (fr)
HU (1) HUP0500362A2 (fr)
NO (1) NO20050369L (fr)
PT (1) PT1518082E (fr)
SI (1) SI1518082T1 (fr)
SK (1) SK50312004A3 (fr)
WO (1) WO2004003451A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2096364A1 (fr) * 2008-02-29 2009-09-02 Giordano Riello International Group S.p.A. Module de terminal d'un système de climatisation d'air pour installations
EP2678621B1 (fr) * 2011-02-25 2018-06-13 The Trustees Of Columbia University In The City Of New York Régulation thermique automatique pour radiateurs de chauffage
WO2014055783A1 (fr) 2012-10-03 2014-04-10 The Trustees Of Columbia University In The City Of New York Masse thermique pour pré-charge de chauffage et dispersion contrôlée dans le temps de systèmes de chauffage de bâtiment
US10365006B2 (en) * 2013-10-08 2019-07-30 Airfixture, Llc Air diffuser with manual and motorized plates
CN112303703B (zh) * 2019-07-31 2022-05-27 广东美的环境电器制造有限公司 一种控制方法及装置、设备和计算机存储介质
CN111391619B (zh) * 2020-04-16 2024-04-12 宁波福尔达智能科技股份有限公司 一种电动外叶片出风口
US12510254B2 (en) * 2022-07-12 2025-12-30 Whirlpool Corporation Active venting control system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777974A (en) * 1972-04-17 1973-12-11 A Sparks Damper control mechanism
DE2362966A1 (de) * 1973-12-18 1975-06-26 Jansen Gmbh Th Klappenventil
US4401260A (en) * 1981-12-09 1983-08-30 Grant Willie T Self-operated air register damper
JPH0752035B2 (ja) * 1988-05-16 1995-06-05 松下電器産業株式会社 温風暖房機
FR2711949B1 (fr) * 1993-11-04 1995-12-15 Valeo Thermique Habitacle Dispositif de commande de la position d'un volet.
PT837288E (pt) * 1996-10-15 2002-12-31 Aermec Spa Convector de ventoinha com elementos deflectores regulaveis

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004003451A1 *

Also Published As

Publication number Publication date
CA2486791A1 (fr) 2004-01-08
EP1518082B1 (fr) 2009-11-11
HUP0500362A2 (hu) 2005-07-28
CN1630801A (zh) 2005-06-22
AU2002317497A1 (en) 2004-01-19
ATE448457T1 (de) 2009-11-15
CN100494857C (zh) 2009-06-03
WO2004003451A1 (fr) 2004-01-08
NO20050369L (no) 2005-03-21
ES2335978T3 (es) 2010-04-07
SK50312004A3 (sk) 2005-04-01
SI1518082T1 (sl) 2010-02-26
DE60234390D1 (de) 2009-12-24
PT1518082E (pt) 2009-12-22

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