EP0385395A2 - Actuator for the lamellae of an apparatus for heating air, cooling air or ventilation - Google Patents

Actuator for the lamellae of an apparatus for heating air, cooling air or ventilation Download PDF

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Publication number
EP0385395A2
EP0385395A2 EP90103797A EP90103797A EP0385395A2 EP 0385395 A2 EP0385395 A2 EP 0385395A2 EP 90103797 A EP90103797 A EP 90103797A EP 90103797 A EP90103797 A EP 90103797A EP 0385395 A2 EP0385395 A2 EP 0385395A2
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EP
European Patent Office
Prior art keywords
speed
air
fan
fan motor
lamellae
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
EP90103797A
Other languages
German (de)
French (fr)
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EP0385395A3 (en
EP0385395B1 (en
Inventor
Klaus Löhr
Detlef Müller
Lothar Pedron
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GEA Happel Klimatechnik GmbH
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GEA Happel Klimatechnik GmbH
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Publication date
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Priority to AT90103797T priority Critical patent/ATE95600T1/en
Publication of EP0385395A2 publication Critical patent/EP0385395A2/en
Publication of EP0385395A3 publication Critical patent/EP0385395A3/en
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Publication of EP0385395B1 publication Critical patent/EP0385395B1/en
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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
    • F24F11/00—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/00077—Indoor units, e.g. fan coil units receiving heat exchange fluid entering and leaving the unit as a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/54—Heating and cooling, simultaneously or alternatively

Definitions

  • the invention relates to a method for controlling the setting angle of lamellae or flaps of an air guiding device of a decentralized air heating, air cooling or ventilation device or system having a fan, in particular according to the difference between room temperature and blow-out temperature.
  • the object of the invention is to improve a device of the type mentioned so that the desired Air mixing and comfort criteria are maintained even at different blowing speeds.
  • This object is achieved in that the speed and / or the pressure or the pressure difference is detected for a variable-speed fan motor and is controlled in accordance with these input signals alone or in addition to the temperature difference and / or other measured variables of the actuating angle.
  • the device to respond to the different blowing speeds, i.e. the flaps or lamellae are adjusted in such a way that optimal air movement within the room is generated even when the blow-out speed changes. For example, at a lower blowout speed, the flaps or louvres are set so that the airflow enters the room more steeply and the same depth of penetration is achieved as at the higher blowout speed. Regardless of whether the fan speed is changed continuously or in steps, the air is always led into the room in such a way that the comfort and energy saving criteria are maintained, i.e. there is neither draft nor significant temperature differences.
  • the device 1 for heating, cooling and / or ventilating a room has an axial fan 2 which is driven by an electric motor 3.
  • the device 1 is mounted below the ceiling of a room or hall so that the fan 2 blows vertically downwards.
  • a heating register 4 for heating the air flowing through.
  • a cooling register can also be arranged there.
  • a plurality of flaps or lamellae 5 guiding the air flow are fastened parallel to one another and adjustable in rotation about a longitudinal axis in each case.
  • the slats 5 are rotatably adjustable by means of a linkage which is driven by a servomotor 6.
  • the type of arrangement of the slats and the linkage is known from German Offenlegungsschriften 36 38 614 and 36 38 616. Reference is made to these constructions.
  • the motor 6, which adjusts the slats 5, is controlled by a control part 7, to which the motor 6 is electrically connected.
  • the speed of the motor can be changed by an electrical device 8.
  • the speed is specified in particular by a manual switch or another conventional actuator 9.
  • the control part 7 includes both the target speed 11 of the motor 3, measured by a suitable sensor 10 or specified by the device 8, and the room temperature and blow-out temperature detected by the measuring devices 12, 13.
  • a characteristic curve is provided for each speed of the motor 3, which is different from the other characteristic curves, so that the fins 5 are adjustable not only according to the room temperature, but also according to the speed of the motor 3. Regardless of whether the speed is changed in steps or continuously, this change always corresponds to a characteristic curve, in particular one Characteristic family of curves or a range of characteristic curves, the position of the slats 5 changes in order to meet the specified comfort criteria regardless of the speed.
  • FIG. 2 A modified exemplary embodiment is shown in FIG. 2, instead of the devices for speed detection, the pressure or a pressure difference is shown here by a pressure sensor 14 arranged between the heating register 4 and flaps or fins 5.
  • This arrangement also makes it possible to take changes in the blow-out speed into account with changing speeds of the fan motor 3 by means of a control unit 7 and to adjust the flaps or fins 5 in accordance with a characteristic curve stored in the control unit.
  • changing blowing speeds are now also possible, e.g. due to gradual contamination of the register 4 or possibly still existing air filter lead to a reduced pressure detected by the pressure sensor 14.
  • Varying pressure losses in upstream air routing devices e.g. Mixed air devices, the amount of air conveyed and thus the blowing speed.
  • Such influencing variables are thus automatically taken into account in the control of the flaps and lamellae 5 by the control part 7, in that a steeper flap angle is set at a lower pressure and the air jet is steered downwards to the hall or room floor.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Air Conditioning Control Device (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Air-Flow Control Members (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Fixing For Electrophotography (AREA)
  • Ventilation (AREA)

Abstract

The invention relates to a method for controlling the adjustment angle phi of lamellae or flaps of an air guide device of a decentralised apparatus or installation for heating air, cooling air or ventilation, which has a fan, in particular according to the difference between room temperature TR and blow-out temperature TZ, the speed n being taken for a fan motor which is variable in its speed and the adjustment angle phi being controlled in accordance with this speed n alone or in addition with respect to the temperature difference and/or other measured quantities.

Description

Die Erfindung betrifft ein Verfahren zum Steuern des Stellwinkels von Lamellen oder Klappen einer Luftleiteinrichtung eines einen Lüfter aufweisenden dezentralgen Luftheiz-, Luftkühl- oder Belüftungsgerätes oder -anlage, insbesondere nach der Differenz zwischen Raumtemperatur und Ausblastemperatur.The invention relates to a method for controlling the setting angle of lamellae or flaps of an air guiding device of a decentralized air heating, air cooling or ventilation device or system having a fan, in particular according to the difference between room temperature and blow-out temperature.

Es ist bekannt, den Winkel von Klappen oder Lamellen eines Luftheizgerätes nach der Differenz zwischen Raumtemperatur und Ausblastemperatur zu regeln. Die Funktion dieser Regeleinrichtung ist ausreichend bei gleichbleibender Ausblasgeschwindigkeit bzw. unveränderlicher Lüfterdrehzahl. Wird aber die Drehzahl verändert, ändern sich die Volumenströme und damit auch die Ausblasgeschwindigkeit und die Eindringtiefe des Luftstrahls und die Regelvorrichtung stellt sich nicht mehr auf die unterschiedlichen Strömungsbedingungen innerhalb des Raumes ein. Es kommt zu unerwünschten Temperaturschichtungen und Zugerscheinungen.It is known to regulate the angle of flaps or fins of an air heater according to the difference between room temperature and blow-out temperature. The function of this control device is sufficient with constant blow-out speed or constant fan speed. However, if the speed is changed, the volume flows change and with it the blow-out speed and the penetration depth of the air jet, and the control device no longer adjusts to the different flow conditions within the room. There are undesirable temperature stratifications and drafts.

Aufgabe der Erfindung ist es, eine Vorrichtung der eingangs genannten Art so zu verbessern, daß die gewünschten Luftdurchmischungen und Behaglichkeitskriterien auch bei unterschiedlichen Ausblasgeschwindigkeiten beibehalten bleiben.The object of the invention is to improve a device of the type mentioned so that the desired Air mixing and comfort criteria are maintained even at different blowing speeds.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß für einen in seiner Drehzahl veränderlichen Lüftermotor die Drehzahl und/oder der Druck bzw. die Druckdifferenz erfaßt und entsprechend dieser Eingangssignale allein oder zusätzlich zur Temperaturdifferenz und/oder anderen Meßgrößen der Stellwinkei gesteuert wird.This object is achieved in that the speed and / or the pressure or the pressure difference is detected for a variable-speed fan motor and is controlled in accordance with these input signals alone or in addition to the temperature difference and / or other measured variables of the actuating angle.

Damit kann die Vorrichtung auf die verschiedenen Ausblasgeschwindigkeiten eingehen, d.h. die Klappen bzw. Lamellen werden so verstellt, daß auch bei veränderter Ausblasgeschwindigkeit eine optimale Luftbewegung innerhalb des Raumes erzeugt wird. So können z.B. bei einer geringeren Ausblasgeschwindigkeit die Klappen oder Lamellen so gestellt werden, daß der Luftstrom steiler in den Raum gelangt und die gleiche Eindringtiefe erreicht wird, wie bei der höheren Ausblasgeschwindigkeit. Unabhängig davon, ob die Drehzahl des Lüfters stufenlos oder in Stufen verändert wird, stets wird die Luft so in den Raum geführt, daß die Behaglichkeits- und Energieeinsparungskriterien beibehalten werden, d.h. es entsteht weder Zug noch entstehen erhebliche Temperaturdifferenzen.This allows the device to respond to the different blowing speeds, i.e. the flaps or lamellae are adjusted in such a way that optimal air movement within the room is generated even when the blow-out speed changes. For example, at a lower blowout speed, the flaps or louvres are set so that the airflow enters the room more steeply and the same depth of penetration is achieved as at the higher blowout speed. Regardless of whether the fan speed is changed continuously or in steps, the air is always led into the room in such a way that the comfort and energy saving criteria are maintained, i.e. there is neither draft nor significant temperature differences.

Ein Ausführungsbeispiel der Erfindung ist in der Abbildung dargestellt und wird im folgenden näher beschrieben. Es zeigen

  • Figur 1 ein erste Ausführungsbeispiel und
  • Figur 2 ein zweites Ausführungsbeispiel.
An embodiment of the invention is shown in the figure and is described in more detail below. Show it
  • Figure 1 shows a first embodiment and
  • Figure 2 shows a second embodiment.

Das Gerät 1 zum Heizen, Kühlen und/oder Lüften eines Raumes weist einen Axiallüfter 2 auf, der von einem Elektromotor 3 angetrieben wird. Im Ausführungsbeispiel ist das Gerät 1 so unterhalb der Decke eines Raumes oder eine Halle montiert, daß der Lüfter 2 senkrecht nach unten bläst.The device 1 for heating, cooling and / or ventilating a room has an axial fan 2 which is driven by an electric motor 3. In the exemplary embodiment, the device 1 is mounted below the ceiling of a room or hall so that the fan 2 blows vertically downwards.

Unterhalb des Lüfters 2 befindet sich ein Heizregister 4 zur Erwärmung der durchströmenden Luft. Alternativ oder zusätzlich kann aber auch ein Kühlregister dort angeordnet sein. Unterhalb des Registers 4 sind in diesem Ausführungsbeispiel mehrere die Luftströmung lenkende Klappen oder Lamellen 5 parallel zueinander und um jeweils eine Längsachse drehverstellbar befestigt. Die Lamellen 5 sind durch ein Gestänge drehverstellbar, das durch einen Stellmotor 6 angetrieben wird. Die Art der Anordnung der Lamellen und des Gestänges ist aus den Deutschen Offenlegungsschriften 36 38 614 und 36 38 616 bekannt. Es wird auf diese Konstruktionen Bezug genommen. Der Motor 6, der die Lamellen 5 verstellt, wird durch ein Regelteil 7 gesteuert, an das der Motor 6 elektrisch angeschlossen ist. Durch eine elektrische Vorrichtung 8 ist die Drehzahl des Motors veränderbar. Die Drehzahl wird insbesondere durch einen manuellen Schalter oder ein anderes übliches Stellorgan 9 vorgegeben. In das Regelteil 7 geht sowohl die durch einen geeigneten Sensor 10 gemessene oder durch die Vorrichtung 8 vorgegebene Solldrehzahl 11 des Motors 3 als auch die über die Meßgeräte 12, 13 erfaßte Raumtemperatur und Ausblastemperatur ein. Im Regelteil 7 ist für jede Drehzahl des Motors 3 eine Kennlinie vorgesehen, die von übrigen Kennlinien unterschiedlich ist, so daß nicht nur entsprechend der Raumtemperatur, sondern auch entsprechend der Drehzahl des Motors 3 die Lamellen 5 verstellbar sind. Gleichgültig, ob die Drehzahl in Stufen oder stufenlos verändert wird, stets wird durch diese Veränderung entsprechend einer Kennlinie, insbesondere einer Kennlinienschar oder eines Kennlinienbereichs, die Stellung der Lamellen 5 verändert, um die vorgegebenen Behaglichkeitskriterien unabhängig von der Drehzahl zu erfüllen.Below the fan 2 there is a heating register 4 for heating the air flowing through. Alternatively or additionally, a cooling register can also be arranged there. In this exemplary embodiment, below the register 4, a plurality of flaps or lamellae 5 guiding the air flow are fastened parallel to one another and adjustable in rotation about a longitudinal axis in each case. The slats 5 are rotatably adjustable by means of a linkage which is driven by a servomotor 6. The type of arrangement of the slats and the linkage is known from German Offenlegungsschriften 36 38 614 and 36 38 616. Reference is made to these constructions. The motor 6, which adjusts the slats 5, is controlled by a control part 7, to which the motor 6 is electrically connected. The speed of the motor can be changed by an electrical device 8. The speed is specified in particular by a manual switch or another conventional actuator 9. The control part 7 includes both the target speed 11 of the motor 3, measured by a suitable sensor 10 or specified by the device 8, and the room temperature and blow-out temperature detected by the measuring devices 12, 13. In the control section 7, a characteristic curve is provided for each speed of the motor 3, which is different from the other characteristic curves, so that the fins 5 are adjustable not only according to the room temperature, but also according to the speed of the motor 3. Regardless of whether the speed is changed in steps or continuously, this change always corresponds to a characteristic curve, in particular one Characteristic family of curves or a range of characteristic curves, the position of the slats 5 changes in order to meet the specified comfort criteria regardless of the speed.

Ein modifiziertes Ausführungsbeispiel ist in Abbildung 2 dargestellt, statt der Vorrichtungen zur Drehzahlerfassung ist hier die Erfassung des Drucks bzw. einer Druckdifferenz durch ein zwischen Heizregister 4 und Klappen oder Lamellen 5 angeordneten Drucksensor 14 dargestellt. Diese Anordnung ermöglicht es ebenfalls, Änderungen der Ausblasgeschwindigkeit bei sich ändernden Drehzahlen des Lüftermotors 3 durch eine Regeleinheit 7 zu berücksichtigen und die Klappen oder Lamellen 5 entsprechend einer in der Regeleinheit hinterlegten Kennlinie zu verstellen. Hinzu kommt, daß jetzt gleichzeitig auch sich ändernde Ausblasgeschwindigkeiten z.B. infolge allmählicher Verschmutzung des Registers 4 oder eventuell noch vorhandener Luftfilter zu einem reduzierten, vom Drucksensor 14 erfaßten Druck führen. Desgleichen beeinflussen varriierende Druckverluste in vorgeschalteten Luftführungeinrichtungen, wie z.B. Mischlufteinrichtungen, die geförderte Luftmenge und damit die Ausblasgeschwindigkeit. Derartige Einflußgrößen werden somit automatisch bei der Steuerung der Klappen und Lamellen 5 durch das Regelteil 7 berücksichtigt, indem bei geringerem Druck ein steilerer Klappenwinkel eingestellt wird und der Luftstrahl steiler nach unten zum Hallen- oder Raumboden gelenkt wird.A modified exemplary embodiment is shown in FIG. 2, instead of the devices for speed detection, the pressure or a pressure difference is shown here by a pressure sensor 14 arranged between the heating register 4 and flaps or fins 5. This arrangement also makes it possible to take changes in the blow-out speed into account with changing speeds of the fan motor 3 by means of a control unit 7 and to adjust the flaps or fins 5 in accordance with a characteristic curve stored in the control unit. In addition, changing blowing speeds are now also possible, e.g. due to gradual contamination of the register 4 or possibly still existing air filter lead to a reduced pressure detected by the pressure sensor 14. Varying pressure losses in upstream air routing devices, e.g. Mixed air devices, the amount of air conveyed and thus the blowing speed. Such influencing variables are thus automatically taken into account in the control of the flaps and lamellae 5 by the control part 7, in that a steeper flap angle is set at a lower pressure and the air jet is steered downwards to the hall or room floor.

Claims (9)

1. Verfahren zum Steuern des Stellwinkels (φ) von Lamellen oder Klappen einer Luftleiteinrichtung eines einen Lüfter aufweisenden dezentralen Luftheiz-, Luftkühl- oder Belüftungsgerätes oder -anlage, insbesondere nach der Differenz (Δτ) zwischen Raumtemperatur (TR) und Ausblastemperatur (TZ) dadurch gekennzeichnet, daß für einen in seiner Drehzahl veränderlichen Lüftermotor die Drehzahl(n) erfaßt und entsprechend dieser Drehzahl(n) allein oder zusätzlich zur Temperaturdifferenz (Δτ) und/oder anderen Meßgrößen der Stellwinkel (φ) gesteuert wird.1. Method for controlling the setting angle (φ) of lamellae or flaps of an air guiding device of a decentralized air heating, air cooling or ventilation device or system having a fan, in particular according to the difference (Δτ) between room temperature (T R ) and blow-out temperature (T Z ) characterized in that the speed (n) is detected for a fan motor which is variable in speed, and the actuating angle (φ) is controlled in accordance with this speed (n) alone or in addition to the temperature difference (Δτ) and / or other measured variables. 2. Verfahren zum Steuern des Stellwinkels (φ) von Lamellen oder Klappen einer Luftleiteinrichtung eines einen Lüfter aufweisenden dezentralen Luftheiz-, Luftkühl- oder Belüftungsgerätes oder - anlage, insbesondere nach der Differenz (Δτ) zwischen Raumtemperatur (TR) und Ausblastemperatur (TZ) dadurch gekennzeichnet, daß ein veränderlicher Luftdruck innerhalb des Gerätes bzw. der Anlage erfaßt und entsprechend diesem Luftdruck allein oder zusätzlich zur Temperaturdifferenz (Δτ) und/oder anderen Meßgrößen der Stellwinkel (φ) gesteuert wird.2. Method for controlling the setting angle (φ) of lamellae or flaps of an air guiding device of a decentralized air heating, air cooling or ventilation device or system having a fan, in particular according to the difference (Δτ) between room temperature (T R ) and blow-out temperature (T Z ) characterized in that a variable air pressure is detected within the device or the system and the actuating angle (φ) is controlled in accordance with this air pressure alone or in addition to the temperature difference (Δτ) and / or other measured variables. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Drehzahl(n) des Lüftermotors meßtechnisch direkt durch mechanische, kapazitive, induktive oder optische Erfassungssysteme, ermittelt wird.3. The method according to claim 1, characterized in that the speed (s) of the fan motor metrologically directly by mechanical, capacitive, inductive or optical detection systems, is determined. 4. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß der Luftdruck zwischen Lüfter (2) und Luftleiteinrichtung gemessen wird.4. The method according to claim 2, characterized in that the air pressure between the fan (2) and air guiding device is measured. 5. Verfahren nach Anspruch 1 dadurch gekennzeichnet, daß die Drehzahl(n) des Lüftermotors indirekt über die Erfassung eines Drehzahlstellsignals (ns) des Lüftermotors ermittelt wird.5. The method according to claim 1, characterized in that the speed (n) of the fan motor is determined indirectly via the detection of a speed control signal (n s ) of the fan motor. 6. Verfahren nach Anspruch 1, 3 oder 5, dadurch gekennzeichnet, daß die Lüfter (2) zwei oder mehr Drehzahlen aufweist und daß für jede Drehzahl eine den Stellwinkel (φ) steuernde Kennlinie vorgesehen ist, die von den übrigen Kennlinien unterschiedlich ist.6. The method according to claim 1, 3 or 5, characterized in that the fan (2) has two or more speeds and that for each speed a control angle (φ) controlling characteristic is provided, which is different from the other characteristics. 7. Verfahren nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Drehzahl stufenlos veränderbar ist und die den Stellwinkel (φ ) steuernde Kennlinie Teil einer Kennlinienschar oder eines Kennlinienbereichs ist.7. The method according to any one of the preceding claims, characterized in that the speed is infinitely variable and the control angle (φ) controlling characteristic is part of a family of characteristics or a range of characteristics. 8. Verfahren nach Anspruch 2 oder 4, dadurch gekennzeichnet, daß der Luftdruck stufenlos veränderbar ist und die den Stellwinkel (φ) steuernde Kennlinie Teil einer Kennlinienschar oder eines Kennlinienbereichs ist.8. The method according to claim 2 or 4, characterized in that the air pressure is infinitely variable and the control angle (φ) controlling characteristic is part of a family of characteristics or a range of characteristics. 9. Verfahren nach einem der Ansprüche 1, 5-7, dadurch gekennzeichnet, daß eine indirekte Erfassung der Drehzahl(en) durch Abgreifen von Spannungen an einzelnen Wicklungen des Lüftermotors erfolgt.9. The method according to any one of claims 1, 5-7, characterized in that an indirect detection of the speed (s) is carried out by tapping voltages on individual windings of the fan motor.
EP90103797A 1989-02-28 1990-02-27 Actuator for the lamellae of an apparatus for heating air, cooling air or ventilation Expired - Lifetime EP0385395B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90103797T ATE95600T1 (en) 1989-02-28 1990-02-27 CONTROL DEVICE FOR THE LOANS OF AN AIR HEATER, AIR COOLER, OR VENTILATION UNIT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3906159A DE3906159A1 (en) 1989-02-28 1989-02-28 ACTUATING DEVICE FOR THE BLADES OF AN AIR HEATING, AIR COOLING, OR VENTILATION DEVICE
DE3906159 1989-02-28

Publications (3)

Publication Number Publication Date
EP0385395A2 true EP0385395A2 (en) 1990-09-05
EP0385395A3 EP0385395A3 (en) 1991-12-18
EP0385395B1 EP0385395B1 (en) 1993-10-06

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EP90103797A Expired - Lifetime EP0385395B1 (en) 1989-02-28 1990-02-27 Actuator for the lamellae of an apparatus for heating air, cooling air or ventilation

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EP (1) EP0385395B1 (en)
AT (1) ATE95600T1 (en)
DE (2) DE3906159A1 (en)
ES (1) ES2044270T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Also Published As

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ATE95600T1 (en) 1993-10-15
ES2044270T3 (en) 1994-01-01
DE3906159A1 (en) 1990-08-30
EP0385395A3 (en) 1991-12-18
DE59002962D1 (en) 1993-11-11
EP0385395B1 (en) 1993-10-06

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