EP1518082A1 - Heat convector with an electrically adjustable deflector element - Google Patents
Heat convector with an electrically adjustable deflector elementInfo
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229940112129 campath Drugs 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Air Conditioning Control Device (AREA)
- Furnace Details (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200230876T SI1518082T1 (en) | 2002-06-26 | 2002-06-26 | Heat convector with an electrically adjustable deflector element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2002/000425 WO2004003451A1 (en) | 2002-06-26 | 2002-06-26 | Heat convector with an electrically adjustable deflector element |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1518082A1 true EP1518082A1 (en) | 2005-03-30 |
EP1518082B1 EP1518082B1 (en) | 2009-11-11 |
Family
ID=29798531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02745808A Expired - Lifetime EP1518082B1 (en) | 2002-06-26 | 2002-06-26 | Heat convector with an electrically adjustable deflector element |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP1518082B1 (en) |
CN (1) | CN100494857C (en) |
AT (1) | ATE448457T1 (en) |
AU (1) | AU2002317497A1 (en) |
CA (1) | CA2486791A1 (en) |
DE (1) | DE60234390D1 (en) |
ES (1) | ES2335978T3 (en) |
HU (1) | HUP0500362A2 (en) |
NO (1) | NO20050369L (en) |
PT (1) | PT1518082E (en) |
SI (1) | SI1518082T1 (en) |
SK (1) | SK50312004A3 (en) |
WO (1) | WO2004003451A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2096364A1 (en) * | 2008-02-29 | 2009-09-02 | Giordano Riello International Group S.p.A. | Module of a terminal of an air-conditioning system for premises |
WO2012116322A1 (en) | 2011-02-25 | 2012-08-30 | Ioannis Kymissis | Wireless automatic temperature control of radiator heating |
WO2014055783A1 (en) | 2012-10-03 | 2014-04-10 | The Trustees Of Columbia University In The City Of New York | Thermal mass heating systems |
US10365006B2 (en) * | 2013-10-08 | 2019-07-30 | Airfixture, Llc | Air diffuser with manual and motorized plates |
CN112303703B (en) * | 2019-07-31 | 2022-05-27 | 广东美的环境电器制造有限公司 | Control method, control device, control equipment and computer storage medium |
CN111391619B (en) * | 2020-04-16 | 2024-04-12 | 宁波福尔达智能科技股份有限公司 | Electric outer blade air outlet |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3777974A (en) * | 1972-04-17 | 1973-12-11 | A Sparks | Damper control mechanism |
DE2362966A1 (en) * | 1973-12-18 | 1975-06-26 | Jansen Gmbh Th | FLAP VALVE |
FR2711949B1 (en) * | 1993-11-04 | 1995-12-15 | Valeo Thermique Habitacle | Device for controlling the position of a flap. |
DK0837288T3 (en) * | 1996-10-15 | 2002-09-09 | Aermec Spa | Ventilation convector with adjustable deflector elements |
-
2002
- 2002-06-26 DE DE60234390T patent/DE60234390D1/en not_active Expired - Lifetime
- 2002-06-26 HU HU0500362A patent/HUP0500362A2/en unknown
- 2002-06-26 WO PCT/IT2002/000425 patent/WO2004003451A1/en not_active Application Discontinuation
- 2002-06-26 SI SI200230876T patent/SI1518082T1/en unknown
- 2002-06-26 ES ES02745808T patent/ES2335978T3/en not_active Expired - Lifetime
- 2002-06-26 PT PT02745808T patent/PT1518082E/en unknown
- 2002-06-26 SK SK5031-2004A patent/SK50312004A3/en unknown
- 2002-06-26 EP EP02745808A patent/EP1518082B1/en not_active Expired - Lifetime
- 2002-06-26 CA CA002486791A patent/CA2486791A1/en not_active Abandoned
- 2002-06-26 AU AU2002317497A patent/AU2002317497A1/en not_active Abandoned
- 2002-06-26 CN CNB028292197A patent/CN100494857C/en not_active Expired - Fee Related
- 2002-06-26 AT AT02745808T patent/ATE448457T1/en not_active IP Right Cessation
-
2005
- 2005-01-24 NO NO20050369A patent/NO20050369L/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2004003451A1 * |
Also Published As
Publication number | Publication date |
---|---|
SI1518082T1 (en) | 2010-02-26 |
ATE448457T1 (en) | 2009-11-15 |
PT1518082E (en) | 2009-12-22 |
CA2486791A1 (en) | 2004-01-08 |
ES2335978T3 (en) | 2010-04-07 |
NO20050369L (en) | 2005-03-21 |
AU2002317497A1 (en) | 2004-01-19 |
DE60234390D1 (en) | 2009-12-24 |
HUP0500362A2 (en) | 2005-07-28 |
SK50312004A3 (en) | 2005-04-01 |
EP1518082B1 (en) | 2009-11-11 |
CN100494857C (en) | 2009-06-03 |
CN1630801A (en) | 2005-06-22 |
WO2004003451A1 (en) | 2004-01-08 |
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