EP2924362B1 - Ventilation device - Google Patents
Ventilation device Download PDFInfo
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- EP2924362B1 EP2924362B1 EP15159988.3A EP15159988A EP2924362B1 EP 2924362 B1 EP2924362 B1 EP 2924362B1 EP 15159988 A EP15159988 A EP 15159988A EP 2924362 B1 EP2924362 B1 EP 2924362B1
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- European Patent Office
- Prior art keywords
- humidity
- ventilation device
- accordance
- spring
- sensitive
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- 238000009423 ventilation Methods 0.000 title claims description 49
- 230000007423 decrease Effects 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
-
- 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
- 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
- F24F2013/146—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 springs
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- 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
- F24F2110/20—Humidity
Definitions
- the present invention relates to a ventilation device, which defines a venting channel opening into a space to be ventilated and comprises a closure element arranged in the ventilation channel, which can be moved between an open position and a closed position as a function of the air humidity in the space to be ventilated.
- a formed by a braided band hygrometric actuator is provided whose length varies depending on the humidity.
- the hygrometric actuator is fixed at one end to a frame of the device and at the other end connected to a slidingly mounted on the frame part, which is acted upon by a spring in the direction of expansion of the hygrometric actuator.
- the spring element and the moisture-sensitive element are connected via the mounted on the frame of the device part, a displaceably mounted on this part further part and a crank with the flap provided as a closure element, wherein the two parts are each designed as a kind of slide.
- the invention has for its object to provide an improved ventilation device of the type mentioned, which is kept as simple as possible Construction ensures a reliable, depending on the humidity automatic ventilation.
- the closure element can be actuated via an automatic setting unit comprising a spring element and a moisture-sensitive element held stretched by the prestressed spring element, wherein the closure element increases with increasing humidity by correspondingly increasing relaxation of the spring element due to the increasing length of the moisture-sensitive element in the opening direction and with decreasing air humidity can be acted upon in the closing direction due to the moisture-sensitive element contracting against the spring force, and the connection between the adjusting unit comprising the spring element and the moisture-sensitive element and the closure element comprises an elastic band.
- the elastic band is preferably designed and arranged such that it can absorb and transmit both tensile and compressive forces in the longitudinal direction.
- the moisture-sensitive element preferably comprises an elongated element, in particular a moisture-sensitive tape, which may in particular be a moisture-sensitive plastic tape.
- a moisture-sensitive tape which may in particular be a moisture-sensitive plastic tape.
- Such tapes are well known as such.
- the spring element may in particular comprise a tension spring, in particular a helical tension spring.
- the tension spring can be arranged parallel and in particular in extension of the moisture-sensitive element.
- the closure element advantageously comprises a flap pivotable about an axis.
- the moisture-sensitive element and / or the tension spring are arranged parallel to the axis of the pivotable flap.
- one end of the moisture-sensitive element is fixed and its free end connected to the spring element.
- the closure element is preferably coupled to the connection point between the moisture-sensitive element and the spring element.
- the adjusting unit comprising the spring element and the moisture-sensitive element is expediently coupled to the closure element via a lever mechanism.
- the lever mechanism for example, comprise an eccentrically mounted shaft, a crank or the like.
- a locking element for locking the closure element is provided in its closed position, by which the spring element is independent of the existing humidity in its biased position fixable.
- the spring member can not relax even with increasing humidity, the moisture-sensitive member is prevented from expanding in length.
- the closure element thus remains in its closed position despite increasing humidity. Only after the spring element is released from the adjustable locking element again, the closure element can be acted upon with increasing moisture again in the opening direction.
- the locking element may for example comprise a pivotally mounted about an axis lever or the like.
- the ventilation device preferably comprises a housing provided with ventilation openings, in which in particular the closure element, the setting unit, the spring element and the moisture-sensitive element are integrated.
- the lever mechanism, the elastic band and / or the locking element may be integrated in the housing.
- the ventilation device according to the invention can be mounted, for example, in an opening in a wall or ceiling delimiting the space to be ventilated, on or in a frame or on or in a window or door leaf.
- Fig. 1 to 3 show a schematic representation of an end portion of an exemplary embodiment of a ventilation device 10 according to the invention.
- the ventilation device 10 defines a ventilation duct 12 opening into a space to be ventilated and comprises a closure element 14 arranged in the ventilation duct 12, which can be moved between an open position and a closed position as a function of the air humidity in the space to be ventilated.
- the closure element 14 can be actuated via an automatic setting unit 16, which comprises a spring element 18 and a moisture-sensitive element 20 held stretched by the prestressed spring element 18.
- the moisture-sensitive element 20 responds to the humidity in the room to be ventilated and expands with increasing humidity, while it contracts again with decreasing humidity.
- the closure element 14 with increasing humidity by correspondingly increasing relaxation of the spring element 18 due to the increasing length of the moisture-sensitive element 20 in the opening direction and acted upon by decreasing humidity due to the moisture-sensitive element 20 reclosing against the spring force in the closing direction.
- the length of the moisture-sensitive element 20 thus increases, as a result of which the prestressed spring element 18 that holds this moisture-sensitive element 20 can relax accordingly.
- the extent to which the spring element 18 relaxes depends on the increase in air humidity.
- the closure element 14 With relaxing spring element 18, the closure element 14 is acted upon more or less in the opening direction depending on the extent of the increase in air humidity.
- the moisture-sensitive element 20 retracts more or less together with decreasing humidity, whereby the closure element 14 is acted upon in the closing direction accordingly.
- the moisture-sensitive element 20 may comprise, for example, a moisture-sensitive tape, in particular a moisture-sensitive plastic tape.
- the spring element 18 may comprise, for example, a tension spring, in particular a helical tension spring.
- the closure element 14 comprises a pivotable about an axis 22 flap. In principle, however, a different type of closure element is conceivable.
- the closure element 14 is coupled to the connection point 26 between the moisture-sensitive element 20 and the spring element 18 or an area adjacent to this connection point 26.
- a lever mechanism 28 may be provided for coupling the spring element 18 and the moisture-sensitive element 20 comprehensive setting unit 16 to the closure element 14.
- the lever mechanism 28 as shown, for example, comprise an eccentrically mounted shaft or crank 30.
- connection between the adjusting unit 16 comprising the spring element 18 and the moisture-sensitive element 20 and the closure element 14 can, as shown, moreover comprise an elastic band 32 which can be subjected to pressure and tensile stress in particular.
- this elastic band 32 is connected to the joint 26 between the moisture-sensitive element 20 and the spring element 18 and the other end to the lever gear 28 and its eccentric shaft or crank 30.
- the elastic band 32 is guided in a guide 33 in order to be able to transmit both tensile and compressive forces in the longitudinal direction.
- Fig. 1 shows the ventilation device 10 in a schematic, partially sectioned partial side view.
- Fig. 2 the ventilation device 10 is shown in a schematic perspective partial representation.
- the ventilation device 10 may comprise a vented housing 36 in which the closure element 14, the actuator 16, the spring element 18, the moisture sensitive element 20 and optionally also the elastic band 32 are integrated.
- Fig. 3 shows a view of the closure member 14, the actuator 16 and the elastic band 32 of the ventilation device 10 according to Fig. 1 from below, with the housing 36 omitted for clarity.
- the venting device 10 may further comprise a locking member 34 via which an end portion 46 of the moisture-sensitive element 20 for locking the closure member 14 is acted upon in its closed position so that the end portion 46 connected to the spring element 38 with increasing moisture in its biased Position is fixed. At the same time, the moisture-sensitive element 20 is prevented from expanding.
- the locking element 34 for example, one about an axis 38 (see Fig. 3 ) pivotally mounted lever, which in its locking position, in which he with a lug 40 (see. Fig. 2 ) engages with the end portion 46 of the moisture sensitive element 20, is latched to the housing 36.
- the lever-like locking element 34 for example, with a latching opening 42 (see. Fig. 3 Be provided with a housing 36 associated latching projection 44 (see. Fig. 2 ) cooperates.
- the locking element 34 is generally T-shaped, wherein it is pivotable about a provided at one of the two outer ends of its crossbar axis 38, while the locking opening 42 is provided in the region of the opposite portion of the crossbar.
- the projection 40 with which the lever-like locking element 34 engages with the moisture-sensitive element 20, is formed by the central portion of the generally T-shaped locking element 34.
- the moisture-sensitive element 20 is provided at its end facing the spring element 18 with the end portion 46 which has an opening 48 into which a resilient band 32 associated pin 50 engages.
- the end portion 46 of the moisture-sensitive element 22 is provided with a projection 52 in which an opening 54 is provided, in which one end of the spring element 18 is mounted. With its other end, the spring element 18 is supported on the housing 36 (see, in particular Fig. 2 ).
- the ventilation device 10 can in particular be mounted in an opening of a wall or ceiling bounding the space to be ventilated, on or in a window frame or on or in a window or door leaf.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air-Flow Control Members (AREA)
- Ventilation (AREA)
Description
Die vorliegende Erfindung betrifft eine Lüftungseinrichtung, die einen in einen zu lüftenden Raum mündenden Lüftungskanal definiert und ein in dem Lüftungskanal angeordnetes Verschlusselement umfasst, das in Abhängigkeit von der Luftfeuchtigkeit im zu lüftenden Raum zwischen einer Öffnungsstellung und einer Schließstellung bewegbar ist.The present invention relates to a ventilation device, which defines a venting channel opening into a space to be ventilated and comprises a closure element arranged in the ventilation channel, which can be moved between an open position and a closed position as a function of the air humidity in the space to be ventilated.
In der
Bisher bekannte Lüftungseinrichtungen dieser Art weisen unter anderem den Nachteil auf, dass zur Ansteuerung des Verschlusselements eine relativ komplizierte und aufwendige Mechanik vorgesehen ist.Previously known ventilation devices of this type have, inter alia, the disadvantage that a relatively complicated and expensive mechanism is provided for driving the closure element.
Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Lüftungseinrichtung der eingangs genannten Art anzugeben, die bei möglichst einfach gehaltenem Aufbau eine zuverlässige von der Luftfeuchtigkeit abhängige automatische Lüftung gewährleistet.The invention has for its object to provide an improved ventilation device of the type mentioned, which is kept as simple as possible Construction ensures a reliable, depending on the humidity automatic ventilation.
Diese Aufgabe wird erfindungsgemäß durch eine Lüftungseinrichtung mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a ventilation device with the features of claim 1.
Erfindungsgemäß ist das Verschlusselement über eine automatische Stelleinheit betätigbar, die ein Federelement sowie ein durch das vorgespannte Federelement gestreckt gehaltenes feuchtigkeitsempfindliches Element umfasst, wobei das Verschlusselement bei zunehmender Luftfeuchtigkeit durch entsprechend zunehmendes Entspannen des Federelements aufgrund der zunehmenden Länge des feuchtigkeitsempfindlichen Elements in Öffnungsrichtung und bei abnehmender Luftfeuchtigkeit aufgrund des sich entgegen der Federkraft wieder zusammenziehenden feuchtigkeitsempfindlichen Elements in Schließrichtung beaufschlagbar ist und die Verbindung zwischen der das Federelement sowie das feuchtigkeitsempfindliche Element umfassenden Stelleinheit und dem Verschlusselement ein elastisches Band umfasst. Dabei ist das elastische Band bevorzugt so ausgebildet und angeordnet, dass es in Längsrichtung sowohl Zug- als auch Druckkräfte aufnehmen und weiterleiten kann.According to the invention, the closure element can be actuated via an automatic setting unit comprising a spring element and a moisture-sensitive element held stretched by the prestressed spring element, wherein the closure element increases with increasing humidity by correspondingly increasing relaxation of the spring element due to the increasing length of the moisture-sensitive element in the opening direction and with decreasing air humidity can be acted upon in the closing direction due to the moisture-sensitive element contracting against the spring force, and the connection between the adjusting unit comprising the spring element and the moisture-sensitive element and the closure element comprises an elastic band. In this case, the elastic band is preferably designed and arranged such that it can absorb and transmit both tensile and compressive forces in the longitudinal direction.
Aufgrund dieser Ausbildung ist bei äußerst einfach gehaltenem Aufbau eine zuverlässige von der Luftfeuchtigkeit abhängige automatische Lüftung gewährleistet. Nimmt die Luftfeuchtigkeit zu, erfolgt auch eine Zunahme der Länge des feuchtigkeitsempfindlichen Elements, wodurch sich das vorgespannte Federelement um ein entsprechendes Maß wieder entspannen kann. Mit dem sich entsprechend entspannenden Federelement wird das Verschlusselement in Öffnungsrichtung beaufschlagt und je nach Luftfeuchtigkeit mehr oder weniger geöffnet. Dagegen zieht sich das feuchtigkeitsempfindliche Element bei abnehmender Luftfeuchtigkeit wieder zusammen, wodurch das Federelement wieder gespannt wird. Dabei wird das Verschlusselement je nach Luftfeuchtigkeit wieder mehr oder weniger geschlossen. Die entsprechende Ansteuerung des Verschlusselements erfolgt bei relativ einfachem Aufbau der Lüftungseinrichtung äußerst zuverlässig und automatisch.Due to this design, a reliable air humidity dependent automatic ventilation is ensured with a very simple design. If the humidity increases, the length of the moisture-sensitive element also increases, as a result of which the pretensioned spring element can relax again by a corresponding amount. With the correspondingly relaxing spring element, the closure element is acted upon in the opening direction and opened more or less depending on the humidity. In contrast, the moisture-sensitive element contracts again with decreasing humidity, whereby the spring element is stretched again. The closure element is again closed more or less depending on the humidity. The corresponding control of the closure element takes place with a relatively simple construction of the ventilation device extremely reliable and automatic.
Weiterbildungen der erfindungsgemäßen Lüftungseinrichtung ergeben sich aus den Unteransprüchen, der Beschreibung sowie der beigefügten Zeichnung.Further developments of the ventilation device according to the invention will become apparent from the dependent claims, the description and the accompanying drawings.
Das feuchtigkeitsempfindliche Element umfasst bevorzugt ein langgestrecktes Element, insbesondere ein feuchtigkeitsempfindliches Band, bei dem es sich insbesondere um ein feuchtigkeitsempfindliches Kunststoffband handeln kann. Derartige Bänder sind als solche allgemein bekannt.The moisture-sensitive element preferably comprises an elongated element, in particular a moisture-sensitive tape, which may in particular be a moisture-sensitive plastic tape. Such tapes are well known as such.
Das Federelement kann insbesondere eine Zugfeder, insbesondere Schraubenzugfeder, umfassen. Vorteilhaft kann die Zugfeder parallel und insbesondere in Verlängerung des feuchtigkeitsempfindlichen Elements angeordnet sein.The spring element may in particular comprise a tension spring, in particular a helical tension spring. Advantageously, the tension spring can be arranged parallel and in particular in extension of the moisture-sensitive element.
Das Verschlusselement umfasst vorteilhafterweise eine um eine Achse verschwenkbare Klappe. Bevorzugt sind das feuchtigkeitsempfindliche Element und/oder die Zugfeder parallel zu der Achse der verschwenkbaren Klappe angeordnet. Durch diese Anordnung wird ein optimierter minimaler Platzbedarf der Lüftungseinrichtung erreicht. Insbesondere wird dabei der für die Stelleinheit benötigte Raum in Längsrichtung der Lüftungseinrichtung minimiert. Dadurch sind eine maximale Länge des Verschlusselements und damit eine maximale Lüftungswirkung erreichbar.The closure element advantageously comprises a flap pivotable about an axis. Preferably, the moisture-sensitive element and / or the tension spring are arranged parallel to the axis of the pivotable flap. By this arrangement, an optimized minimum space requirement of the ventilation device is achieved. In particular, the space required for the setting unit in the longitudinal direction of the ventilation device is minimized. As a result, a maximum length of the closure element and thus a maximum ventilation effect can be achieved.
Gemäß einer bevorzugten praktischen Ausführungsform der erfindungsgemäßen Lüftungseinrichtung ist ein Ende des feuchtigkeitsempfindlichen Elements festgelegt und dessen freies Ende mit dem Federelement verbunden. Dabei ist das Verschlusselement bevorzugt mit der Verbindungsstelle zwischen dem feuchtigkeitsempfindlichen Element und dem Federelement gekoppelt.According to a preferred practical embodiment of the ventilation device according to the invention, one end of the moisture-sensitive element is fixed and its free end connected to the spring element. In this case, the closure element is preferably coupled to the connection point between the moisture-sensitive element and the spring element.
Die das Federelement sowie das feuchtigkeitsempfindliche Element umfassende Stelleinheit ist zweckmäßigerweise über ein Hebelgetriebe mit dem Verschlusselement gekoppelt. Dabei kann das Hebelgetriebe beispielsweise eine exzentrisch gelagerte Welle, eine Kurbel oder dergleichen umfassen.The adjusting unit comprising the spring element and the moisture-sensitive element is expediently coupled to the closure element via a lever mechanism. In this case, the lever mechanism, for example, comprise an eccentrically mounted shaft, a crank or the like.
In bestimmten Fällen ist es auch von Vorteil, wenn. Gemäß einer weiteren zweckmäßigen Ausführungsform der erfindungsgemäßen Lüftungseinrichtung ist ein Feststellelement zum Feststellen des Verschlusselements in dessen Schließstellung vorgesehen, durch das das Federelement unabhängig von der vorhandenen Luftfeuchtigkeit in seiner vorgespannten Stellung fixierbar ist. Nachdem sich das Federelement in diesem Fall selbst bei zunehmender Feuchtigkeit nicht mehr entspannen kann, ist auch das feuchtigkeitsempfindliche Element daran gehindert, sich längenwirksam auszudehnen. Das Verschlusselement verbleibt somit trotz zunehmender Feuchtigkeit in seiner Schließstellung. Erst nachdem das Federelement von dem verstellbaren Feststellelement wieder freigegeben wird, kann das Verschlusselement mit zunehmender Feuchtigkeit wieder in Öffnungsrichtung beaufschlagt werden.In certain cases it is also beneficial if. According to a further advantageous embodiment of the ventilation device according to the invention a locking element for locking the closure element is provided in its closed position, by which the spring element is independent of the existing humidity in its biased position fixable. In this case, since the spring member can not relax even with increasing humidity, the moisture-sensitive member is prevented from expanding in length. The closure element thus remains in its closed position despite increasing humidity. Only after the spring element is released from the adjustable locking element again, the closure element can be acted upon with increasing moisture again in the opening direction.
Das Feststellelement kann beispielsweise einen um eine Achse schwenkbar gelagerten Hebel oder dergleichen umfassen.The locking element may for example comprise a pivotally mounted about an axis lever or the like.
Die erfindungsgemäße Lüftungseinrichtung umfasst bevorzugt ein mit Lüftungsöffnungen versehenes Gehäuse, in dem insbesondere das Verschlusselement, die Stelleinheit, das Federelement sowie das feuchtigkeitsempfindliche Element integriert sind. Gegebenenfalls können auch das Hebelgetriebe, das elastische Band und/oder das Feststellelement in dem Gehäuse integriert sein.The ventilation device according to the invention preferably comprises a housing provided with ventilation openings, in which in particular the closure element, the setting unit, the spring element and the moisture-sensitive element are integrated. Optionally, the lever mechanism, the elastic band and / or the locking element may be integrated in the housing.
Die erfindungsgemäße Lüftungseinrichtung kann beispielsweise in einer Öffnung einer den zu lüftenden Raum begrenzenden Wand oder Decke, an oder in einem Blendrahmen oder an oder in einem Fenster- oder Türflügel montiert werden.The ventilation device according to the invention can be mounted, for example, in an opening in a wall or ceiling delimiting the space to be ventilated, on or in a frame or on or in a window or door leaf.
Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnung näher erläutert; in dieser zeigen:
- Fig. 1
- eine schematische, teilweise geschnittene seitliche Teilansicht einer beispielhaften Ausführungsform einer erfindungsgemäßen Lüftungseinrichtung,
- Fig. 2
- eine schematische perspektivische Teildarstellung der Lüftungseinrichtung gemäß
Fig. 1 und - Fig. 3
- eine Ansicht des Verschlusselements, der Stelleinheit und des elastischen Bandes der Lüftungseinrichtung gemäß
Fig. 1 von unten, wobei das Gehäuse der Übersichtlichkeit halber weggelassen ist.
- Fig. 1
- 1 is a schematic, partially sectioned side partial view of an exemplary embodiment of a ventilation device according to the invention,
- Fig. 2
- a schematic perspective partial view of the ventilation device according to
Fig. 1 and - Fig. 3
- a view of the closure element, the actuator and the elastic band of the ventilation device according to
Fig. 1 from below, the housing has been omitted for clarity.
Die
Die Lüftungseinrichtung 10 definiert einen in einen zu lüftenden Raum mündenden Lüftungskanal 12 und umfasst ein in dem Lüftungskanal 12 angeordnetes Verschlusselement 14, das in Abhängigkeit von der Luftfeuchtigkeit im zu lüftenden Raum zwischen einer Öffnungsstellung und einer Schließstellung bewegbar ist.The
Das Verschlusselement 14 ist über eine automatische Stelleinheit 16 betätigbar, die ein Federelement 18 sowie ein durch das vorgespannte Federelement 18 gestreckt gehaltenes feuchtigkeitsempfindliches Element 20 umfasst. Das feuchtigkeitsempfindliche Element 20 spricht auf die Luftfeuchtigkeit im zu lüftenden Raum an und dehnt sich bei zunehmender Luftfeuchtigkeit aus, während es sich bei abnehmender Luftfeuchtigkeit wieder zusammenzieht.The
Dabei wird das Verschlusselement 14 bei zunehmender Luftfeuchtigkeit durch entsprechend zunehmendes Entspannen des Federelements 18 aufgrund der zunehmenden Länge des feuchtigkeitsempfindlichen Elements 20 in Öffnungsrichtung und bei abnehmender Luftfeuchtigkeit aufgrund des sich entgegen der Federkraft wieder zusammenziehenden feuchtigkeitsempfindlichen Elements 20 in Schließrichtung beaufschlagt.In this case, the
Bei zunehmender Luftfeuchtigkeit nimmt somit die Länge des feuchtigkeitsempfindlichen Elements 20 zu, wodurch das dieses feuchtigkeitsempfindliche Element 20 gestreckt haltende vorgespannte Federelement 18 sich entsprechend entspannen kann. Dabei hängt das Ausmaß, um das sich das Federelement 18 entspannt, von der Zunahme der Luftfeuchtigkeit ab. Mit sich entspannendem Federelement 18 wird das Verschlusselement 14 je nach Ausmaß der Zunahme der Luftfeuchtigkeit mehr oder weniger in Öffnungsrichtung beaufschlagt. Dagegen zieht sich das feuchtigkeitsempfindliche Element 20 bei abnehmender Luftfeuchtigkeit wieder mehr oder weniger zusammen, wodurch das Verschlusselement 14 entsprechend in Schließrichtung beaufschlagt wird.As the humidity increases, the length of the moisture-
Das feuchtigkeitsempfindliche Element 20 kann beispielsweise ein feuchtigkeitsempfindliches Band, insbesondere ein feuchtigkeitsempfindliches Kunststoffband umfassen.The moisture-
Das Federelement 18 kann wie dargestellt beispielsweise eine Zugfeder, insbesondere Schraubenzugfeder, umfassen.As shown, the
Beim vorliegenden Ausführungsbeispiel umfasst das Verschlusselement 14 eine um eine Achse 22 verschwenkbare Klappe. Grundsätzlich ist jedoch auch ein andersartiges Verschlusselement denkbar.In the present embodiment, the
Ein Ende (nicht gezeigt) des feuchtigkeitsempfindlichen Elements 20 ist festgelegt, während dessen freies Ende 24 mit dem Federelement 18 verbunden ist.An end (not shown) of the moisture
Das Verschlusselement 14 ist mit der Verbindungsstelle 26 zwischen dem feuchtigkeitsempfindlichen Element 20 und dem Federelement 18 bzw. einem dieser Verbindungsstelle 26 benachbarten Bereich gekoppelt. Zur Ankopplung der das Federelement 18 sowie das feuchtigkeitsempfindliche Element 20 umfassenden Stelleinheit 16 an das Verschlusselement 14 kann beispielsweise ein Hebelgetriebe 28 vorgesehen sein. Dabei kann das Hebelgetriebe 28 wie dargestellt beispielsweise eine exzentrisch gelagerte Welle oder Kurbel 30 umfassen.The
Die Verbindung zwischen der das Federelement 18 sowie das feuchtigkeitsempfindliche Element 20 umfassenden Stelleinheit 16 und dem Verschlusselement 14 kann wie dargestellt überdies ein insbesondere druck- und zugbelastbares elastisches Band 32 umfassen. Im vorliegenden Fall ist ein Ende dieses elastischen Bandes 32 mit der Verbindungsstelle 26 zwischen dem feuchtigkeitsempfindlichen Element 20 und dem Federelement 18 und dessen anderes Ende mit dem Hebelgetriebe 28 bzw. dessen exzentrischer Welle bzw. Kurbel 30 verbunden. Das elastische Band 32 ist dabei in einer Führung 33 geführt, um in Längsrichtung sowohl Zug- als auch Druckkräfte übertragen zu können.The connection between the adjusting
Wie insbesondere den
Wie insbesondere anhand der
Die erfindungsgemäße Lüftungseinrichtung 10 kann insbesondere in einer Öffnung einer den zu lüftenden Raum begrenzenden Wand oder Decke, an oder in einem Blendrahmen oder an oder in einem Fenster- oder Türflügel montiert werden.The
- 1010
- Lüftungseinrichtungvent
- 1212
- Lüftungskanalventilation duct
- 1414
- Verschlusselementclosure element
- 1616
- automatische Stelleinheitautomatic actuator
- 1818
- Federelementspring element
- 2020
- feuchtigkeitsempfindliches Elementmoisture-sensitive element
- 2222
- Achseaxis
- 2424
- freies Endefree end
- 2626
- Verbindungsstellejunction
- 2828
- Hebelgetriebelever mechanism
- 3030
- exzentrische Welle, Kurbeleccentric shaft, crank
- 3232
- elastisches Bandelastic band
- 3333
- Führungguide
- 3434
- FeststellelementFixing element
- 3636
- Gehäusecasing
- 3838
- Achseaxis
- 4040
- Ansatzapproach
- 4242
- Rastöffnunglatching opening
- 4444
- Rastvorsprungcatch projection
- 4646
- Endabschnittend
- 4848
- Öffnungopening
- 5050
- Zapfenspigot
- 5252
- Ansatzapproach
- 5454
- Öffnungopening
Claims (14)
- A ventilation device (10) which defines a ventilation passage (12) opening into a room to be ventilated and which comprises a closure element (14) which is arranged in the ventilation passage (12) and which is movable between an open position and a closed position in dependence on the humidity in the room to be ventilated, wherein the closure element (14) can be actuated via an automatic actuating unit (16) which comprises a spring element (18) and a humidity-sensitive element (20) held in a stretched manner by the preloaded spring element (18); wherein, as the humidity increases, the closure element (14) can be acted on in an opening direction through a correspondingly increasing relaxation of the spring element (18) due to the increasing length of the humidity-sensitive element (20) and, as the humidity decreases, said closure element (14) can be acted on in a closing direction due to the humidity-sensitive element (20) contracting again against the spring force, and
characterized in that the connection between the actuating unit (16), comprising the spring element (18) and the humidity-sensitive element (20), and the closure element (14) comprises an elastic band (32). - A ventilation device in accordance with claim 1,
characterized in that the elastic band (32) is configured and arranged such that it can take up and transfer both tensile forces and compressive forces in a longitudinal direction. - A ventilation device in accordance with claim 2,
characterized in that the elastic band (32) is guided in a guide (33) in order to be able to transfer both tensile forces and compressive forces from the actuating unit (16) to the closure element (14). - A ventilation device in accordance with at least one of the preceding claims, characterized in that the humidity-sensitive element (20) comprises a humidity-sensitive band, in particular a humidity-sensitive plastic band.
- A ventilation device in accordance with at least one of the preceding claims, characterized in that the spring element (18) comprises a tension spring, in particular a screw tension spring.
- A ventilation device in accordance with claim 5,
characterized in that the tension spring (18) is arranged in parallel with and in particular in extension of the humidity-sensitive element (20). - A ventilation device in accordance with at least one of the preceding claims, characterized in that the closure element (14) comprises a flap pivotable about an axle (22).
- A ventilation device in accordance with at least one of the preceding claims, characterized in that one end of the humidity-sensitive element (20) is fixed and its free end (24) is connected to the spring element (18).
- A ventilation device in accordance with claim 8,
characterized in that the closure element (14) is coupled to the connection point (26) between the humidity-sensitive element (20) and the spring element (18). - A ventilation device in accordance with at least one of the preceding claims, characterized in that the actuating unit (16) comprising the spring element (18) and the humidity-sensitive element (20) is coupled to the closure element (14) via a lever gear (28).
- A ventilation device in accordance with claim 10,
characterized in that the lever gear comprises an eccentrically supported shaft, a crank (30) or the like. - A ventilation device in accordance with at least one of the preceding claims, characterized in that a fixing element (34) is provided for fixing the closure element (14) in its closed position, with the spring element (18) being fixable in its preloaded position by said fixing element (34) independently of the humidity present.
- A ventilation device in accordance with claim 12,
characterized in that the fixing element (34) comprises a lever pivotally supported about an axle (38). - A ventilation device in accordance with at least one of the preceding claims, characterized in that it comprises a housing (36) which is provided with ventilation openings and in which the closure element (14), the actuating unit (16), the spring element (18) and the humidity-sensitive element (20) are integrated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15159988T PL2924362T3 (en) | 2014-03-25 | 2015-03-20 | Ventilation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014104063.5A DE102014104063A1 (en) | 2014-03-25 | 2014-03-25 | VENTILATION DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2924362A1 EP2924362A1 (en) | 2015-09-30 |
EP2924362B1 true EP2924362B1 (en) | 2019-12-04 |
Family
ID=53008265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15159988.3A Active EP2924362B1 (en) | 2014-03-25 | 2015-03-20 | Ventilation device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2924362B1 (en) |
DE (1) | DE102014104063A1 (en) |
PL (1) | PL2924362T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017005246A1 (en) * | 2017-06-01 | 2018-12-06 | Gert Bartholomäus | Supply air element with humid air-controlled regulation of the room air |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2589996B2 (en) * | 1981-06-30 | 1989-05-05 | Serva Soc | MEANS FOR THE IMPLEMENTATION OF A METHOD FOR REGULATING THE VENTILATION OF A PREMISES |
DE3611709A1 (en) * | 1986-04-08 | 1987-10-15 | Fraunhofer Ges Forschung | VENTILATION DEVICE FOR DEMAND-ORIENTED AIR EXCHANGE |
FR2708992B1 (en) * | 1993-08-10 | 1995-11-24 | Cerga | Method and device for adjusting the section of a ventilation air inlet in a room. |
FR2729461B1 (en) * | 1995-01-17 | 1997-04-18 | Cerga | DEVICE FOR ADJUSTING THE PASSAGE SECTION OF A VENTILATION AIR VENT OF A PREMISES |
FR2955920B1 (en) * | 2010-02-02 | 2012-03-02 | Anjos Ventilation | DEVICE FOR CONTROLLING THE OPENING DEGREE OF A VENTILATION MOUTH AND VENTILATION MOUTH COMPRISING SUCH A DEVICE |
-
2014
- 2014-03-25 DE DE102014104063.5A patent/DE102014104063A1/en active Pending
-
2015
- 2015-03-20 PL PL15159988T patent/PL2924362T3/en unknown
- 2015-03-20 EP EP15159988.3A patent/EP2924362B1/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
PL2924362T3 (en) | 2020-08-24 |
EP2924362A1 (en) | 2015-09-30 |
DE102014104063A1 (en) | 2015-10-01 |
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