EP3064854B1 - Volume current controller assembly - Google Patents

Volume current controller assembly Download PDF

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Publication number
EP3064854B1
EP3064854B1 EP16158601.1A EP16158601A EP3064854B1 EP 3064854 B1 EP3064854 B1 EP 3064854B1 EP 16158601 A EP16158601 A EP 16158601A EP 3064854 B1 EP3064854 B1 EP 3064854B1
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EP
European Patent Office
Prior art keywords
volume flow
flow regulator
section
connector
casing
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EP16158601.1A
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German (de)
French (fr)
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EP3064854A1 (en
Inventor
Werner Wildeboer
Enno Johannes Wortelen
Thomas Harms
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Individual
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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
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/0272—Modules for easy installation or transport
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Definitions

  • the invention relates to a volume flow controller arrangement with a volume flow controller designed for installation in a ventilation duct, which has a tubular housing, a throttle element arranged movably in the housing and an adjusting device arranged on the outside of the housing for adjusting the throttle element.
  • EP 2 784 406 A1 is a volume flow controller of the type mentioned above, which can be inserted with its housing in a pipe of the ventilation duct.
  • the necessary settings on the throttle element must be made before installation, since the volumetric flow controller is no longer easily accessible after installation or only through increased installation effort.
  • the object of the invention is to create a volume flow controller arrangement that allows easier access to the volume flow controller for the purpose of checking, adjusting and cleaning, even after installation.
  • connection box which has an access opening that is exposed when installed, and an adapter sleeve, which accommodates the volume flow controller in a receiving section in a displaceable manner and has an axially adjoining connection section, which can be connected to a connection piece of the connection box, the inner diameter of the connecting portion and the inner diameter of the nozzle and the width of the access opening in the direction transverse to the axis of the nozzle are larger than the outer diameter of the housing of the flow controller and the length of the access opening in the direction of the axis of the nozzle is greater than the axial length of the body of the flow controller.
  • Ventilation ducts are routed into a ceiling void above a false ceiling of a building. Air outlets are arranged in the ceiling, each of which is connected to the ventilation duct via a plenum box. Depending on the ceiling construction, it can be relatively difficult to remove parts of the suspended ceiling in order to gain access to the ventilation duct and the volume flow controller if inspection, cleaning, adjustment or adjustment is to be carried out.
  • the invention now offers the possibility of using the connection box let into the ceiling and the opening therein, which is actually intended for the passage of air, in order to gain access to the volume flow controller.
  • the opening for the air outlet which now serves as an access opening
  • the spigot of the plenum box are dimensioned in such a way that the volume flow controller housing can be pulled into the spigot and then accessed through the access opening.
  • the volume flow controller housing is located in a duct of the ventilation duct, which has the same nominal values as the stub of the plenum box.
  • a connection box with a larger socket is used, for example with the next larger nominal diameter, and the adapter sleeve is provided for adaptation, which has two sections with different diameters that are firmly connected to one another.
  • connection piece can be detached from the connection box, so that the connection piece can also have a smaller diameter than the housing of the volume flow controller, or the connection section opens directly into a wall of the connection box, so that the socket can be omitted or, in other words, the socket is formed directly by the connection section.
  • the volume flow controller When the volume flow controller is accommodated in the accommodation section, its housing is sealed with seals on the inner wall of the accommodation section. In the connection section, however, the housing of the volume flow controller is surrounded by the connection section with play, so that the volume flow controller can be pulled more easily into the connection box without damaging the seals.
  • the ventilation duct preferably runs parallel to the ceiling of the building and accordingly the axis of the adapter sleeve runs parallel to the plane of the access opening of the connection box.
  • the length of the access opening in the direction of the axis of the socket and/or the adapter sleeve is greater than the axial length of the housing of the volume flow controller, so that the volume flow controller can be completely removed through the access opening.
  • the adapter sleeve can also have a section with a reduced diameter, which serves as a plug connector and engages in the pipe of the ventilation duct.
  • In 1 1 shows part of a ventilation duct 10 laid in a ceiling cavity above a false ceiling 12 of a building and having a pipe 14 for the supply of supply air, a volume flow control arrangement 16 and a connection box 18 .
  • the connection box 18 is embedded in the ceiling 12 and has an access opening 20 on the underside, into which an air passage (not shown) can be inserted.
  • connection box 18 is connected in terms of airflow to the tube 14 via the volume flow controller arrangement 16 so that the supply air supplied via the tube 14 can be discharged downwards into the space below the ceiling 12 .
  • the volume flow controller arrangement 16 has an adapter sleeve 22 which is plugged into the end of the pipe 14 with a plug connector section 24 and accommodates a volume flow controller 28 in a receiving section 26 with a somewhat larger diameter.
  • the open end of the connector section 30 is connected to a socket 32 of the connection box 18 .
  • the connections between the tube 14 and the connector section 24 on the one hand and the connection section 30 and the socket 32 on the other hand are sealed in a known manner by seals.
  • the diameter of the tube 14 and the diameter of the socket 32 each correspond to a standardized nominal size. However, the nominal width of the socket 32 is larger than the nominal width of the pipe 14 and the matching nominal width (outer diameter) of the volume flow controller 28.
  • the axial length L1 of the volume flow controller 28 is less than the axial length L2 of the access opening 20.
  • volumetric flow controller 28 This allows the volumetric flow controller 28 to be removed by pulling it through the interior of the connection section 30 and the nozzle 32 into the connection box and then removing it through the access opening 20, as shown in FIG Figures 2 and 3 is shown.
  • the volume flow controller can thus be removed and reinstalled for adjustment, cleaning or checking purposes, without parts of the cover 12 having to be removed for this purpose.
  • the structure of the volume flow controller 28 is in Figures 4 and 5 shown in more detail.
  • a tubular housing 38 of the volume flow controller 28 is shown in an axial section.
  • the housing 38 has a circular cross section. Its peripheral wall, however, forms an indentation 40 in the region of the upper peak, which narrows the flow cross section locally.
  • a stop 42 for a throttle element 44 is arranged on the feeder 40 inside the housing 38 .
  • the throttle element 44 has the form of a flap which can be pivoted about an axis 46 which is perpendicular to the plane of the drawing 3 passes through the center of the circular cross-section of the housing 38.
  • One end of the axle 46 runs through the upper part of a chamber 48 which is separated from the interior of the housing 10 and which accommodates an adjustment device 50 and a return mechanism as a control mechanism for the throttle element 44 .
  • An outer cover of chamber 48 is omitted so that the interior of that chamber can be viewed.
  • the restoring mechanism for the flap leaf includes a bending spring 52, which is designed as a leaf spring in this example, and an adjustment element 54, which is also designed as a leaf spring.
  • An upper end of the bending spring 52 is held rigidly on the axle 46 and nestles against a support contour of a support body 56 which is also held rigidly on the axle 46 .
  • the adjusting element 54 is held on a support body 58 in the manner of a cantilever and forms a stop 60 for the bending spring 52 with a blade-like free end, the length of which is dimensioned such that its free end protrudes slightly beyond the stop 60 .
  • the supporting body 58 for the setting element 54 is held in the chamber 48 so that it can rotate about an axis 62 and can be fixed in the respectively set angular position with the aid of a fixing arm 64 .
  • figure 5 shows a cover 66, which forms the outer lining of the chamber 48 and on which an adjustment mechanism for the support body 58 and the adjustment element 54 is arranged.
  • the axle 62 passes through the cover 66 and carries a hexagon 68 and a pointer 70 on the outside of this cover, both of which are rigidly connected to the supporting body 58 .
  • the contours of the hexagon 68 and the pointer 70 are in 4 indicated by dotted lines.
  • the fixing arm 64 carries a fixing screw 72 at the free end, which passes through a circular arc-shaped slot 74 of the cover 66 and thus allows the support body 58 and thus the adjustment element 54 ( 4 ) in the selected angular position.
  • a scale 76 is attached to the cover 66, on which the selected angular position or the associated setpoint specification for the flow rate or the volume flow can be read off with the aid of the pointer 70 .
  • the volume flow controller 28 If the supply air moves the volume flow controller 28 in the direction of arrow A in 1 flows through, it exerts a torque on the throttle element 44, which has the tendency to pivot it in the closing direction.
  • the restoring force counteracts this torque, so that the volume flow is regulated to a constant value, which corresponds to the equilibrium position of the throttle element 44 and is therefore dependent on the adjustable restoring force.
  • the setting device 50 After removing the volume flow controller, the setting device 50 is accessible so that the setting of the target volume flow can be changed with the aid of the hexagon 68 or cleaning or checking can take place.
  • the housing 38 of the volume flow controller is surrounded at its opposite ends by peripheral lip seals 78 which are used to seal against the inner wall of the receiving section 26 .
  • peripheral lip seals 78 which are used to seal against the inner wall of the receiving section 26 .
  • the volume flow controller is pulled into the connection section 30 or the connection box 18 by hand in order to gain access to the adjustment device 50, a greater force is exerted on the housing 28 in the direction of displacement, with the result that the lip seals 78 in the with the result that the lip seals 78 flip over to the opposite position in which they offer less frictional resistance to the extension movement.
  • FIG. 6 shows an embodiment in which instead of the connector section 24 in 1 a connector sleeve 80 is provided which is inserted into the tube 14 at one end and into the receiving portion 26 of the adapter sleeve 22 at the opposite end.
  • a connector sleeve 82 is provided here, which surrounds the ends of the connection section 30 and the socket 32 facing one another on the outside.
  • plug-in connections or also flange connections or clamp connections can be provided for the tight connection of the adapter sleeve 22 to the pipe 14 on the one hand and to the socket 32 on the other hand.
  • connection section 30 of the adapter sleeve 22 is held firmly and gas-tight in a side wall 84 of the connection box 18, so that no special connection piece is required to connect the adapter sleeve to the connection box.
  • FIG. 8 14 shows an embodiment in which a stub 86 is present but is removably mounted to the side wall 84 of the junction box 18.
  • the stub extends through an opening in the side wall 84 and is inserted tightly into the end of the connection section 30 .
  • the stub has a flange 88 which fits tightly against the wall of the junction box.
  • connection piece 86 is first removed so that a sufficiently large passage cross section is formed for the housing of the volume flow controller. At this Embodiment, it is therefore not necessary that the inner diameter of the socket 86 is larger than the outer diameter of the housing of the volume flow controller.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Description

Die Erfindung betrifft eine Volumenstromregleranordnung mit einem für den Einbau in eine Lüftungsleitung ausgebildeten Volumenstromregler, der ein rohrförmiges Gehäuse, ein beweglich in dem Gehäuse angeordnetes Drosselelement und eine außen an dem Gehäuse angeordnete Stelleinrichtung zum Einstellen des Drosselelements aufweist.The invention relates to a volume flow controller arrangement with a volume flow controller designed for installation in a ventilation duct, which has a tubular housing, a throttle element arranged movably in the housing and an adjusting device arranged on the outside of the housing for adjusting the throttle element.

Aus EP 2 784 406 A1 ist ein Volumenstromregler der oben genannten Art bekannt, der mit seinem Gehäuse in ein Rohr der Lüftungsleitung einschiebbar ist. Die notwendigen Einstellungen an dem Drosselelement müssen vor dem Einbau vorgenommen werden, da der Volumenstromregler nach dem Einbau nicht mehr ohne weiteres oder nur durch erhöhten Montageaufwand zugänglich ist.Out of EP 2 784 406 A1 is a volume flow controller of the type mentioned above, which can be inserted with its housing in a pipe of the ventilation duct. The necessary settings on the throttle element must be made before installation, since the volumetric flow controller is no longer easily accessible after installation or only through increased installation effort.

Aufgabe der Erfindung ist es, eine Volumenstromregleranordnung zu schaffen, die einen erleichterten Zugang zu dem Volumenstromregler zum Zwecke der Überprüfung, Verstellung und Reinigung auch nach dem Einbau ermöglicht.The object of the invention is to create a volume flow controller arrangement that allows easier access to the volume flow controller for the purpose of checking, adjusting and cleaning, even after installation.

Diese Aufgabe wird erfindungsgemäß gelöst durch einen Anschlusskasten, der eine im Einbauzustand frei liegende Zugangsöffnung aufweist, und eine Adapterhülse, die in einem Aufnahmeabschnitt den Volumenstromregler verschiebbar aufnimmt und einen sich axial anschließenden Anschlussabschnitt aufweist, der an einen Stutzen des Anschlusskastens anschließbar ist, wobei der Innendurchmesser des Anschlussabschnitts und der Innendurchmesser des Stutzens sowie die Breite der Zugangsöffnung in der Richtung quer zur Achse des Stutzens größer sind als der Außendurchmesser des Gehäuses des Volumenstromreglers und die Länge der Zugangsöffnung in Richtung der Achse des Stutzens größer ist als die axiale Länge des Gehäuses des Volumenstromreglers.This object is achieved according to the invention by a connection box, which has an access opening that is exposed when installed, and an adapter sleeve, which accommodates the volume flow controller in a receiving section in a displaceable manner and has an axially adjoining connection section, which can be connected to a connection piece of the connection box, the inner diameter of the connecting portion and the inner diameter of the nozzle and the width of the access opening in the direction transverse to the axis of the nozzle are larger than the outer diameter of the housing of the flow controller and the length of the access opening in the direction of the axis of the nozzle is greater than the axial length of the body of the flow controller.

Üblicherweise werden Lüftungsleitungen in einen Deckenhohlraum oberhalb einer abgehängten Decke eines Gebäudes verlegt. In der Decke sind Luftdurchlässe angeordnet, die jeweils über einen Anschlusskasten mit der Lüftungsleitung verbunden sind. Je nach Deckenkonstruktion kann es relativ aufwendig sein, Teile der abgehängten Decke zu entfernen, um Zugang zu der Lüftungsleitung und zu dem Volumenstromregler zu erhalten, falls eine Überprüfung, Reinigung, Ein- oder Verstellung vorgenommen werden soll.Typically, ventilation ducts are routed into a ceiling void above a false ceiling of a building. Air outlets are arranged in the ceiling, each of which is connected to the ventilation duct via a plenum box. Depending on the ceiling construction, it can be relatively difficult to remove parts of the suspended ceiling in order to gain access to the ventilation duct and the volume flow controller if inspection, cleaning, adjustment or adjustment is to be carried out.

Die Erfindung bietet nun die Möglichkeit, den in die Decke eingelassenen Anschlusskasten und die darin vorhandene, eigentlich für den Luftdurchlass bestimmte Öffnung zu nutzen, um sich Zugang zu dem Volumenstromregler zu verschaffen. Zu diesem Zweck sind die Öffnung für den Luftdurchlass, die nun als Zugangsöffnung dient, und der Stutzen des Anschlusskastens so dimensioniert, dass sich das Gehäuse des Volumenstromreglers in den Stutzen ziehen lässt und dann über die Zugangsöffnung zugänglich ist. Das Gehäuse des Volumenstromreglers befindet sich bei herkömmlichen Installationen in einem Rohr der Lüftungsleitung, das die gleiche Nennwerte hat wie der Stutzen des Anschlusskastens. Erfindungsgemäß wird jedoch ein Anschlusskasten mit einem größeren Stutzen verwendet, beispielsweise mit der nächst größeren Nennweite, und zur Anpassung ist die Adapterhülse vorgesehen, die zwei fest miteinander verbundene Abschnitte mit unterschiedlichen Durchmessern hat.The invention now offers the possibility of using the connection box let into the ceiling and the opening therein, which is actually intended for the passage of air, in order to gain access to the volume flow controller. For this purpose, the opening for the air outlet, which now serves as an access opening, and the spigot of the plenum box are dimensioned in such a way that the volume flow controller housing can be pulled into the spigot and then accessed through the access opening. In conventional installations, the volume flow controller housing is located in a duct of the ventilation duct, which has the same nominal values as the stub of the plenum box. According to the invention, however, a connection box with a larger socket is used, for example with the next larger nominal diameter, and the adapter sleeve is provided for adaptation, which has two sections with different diameters that are firmly connected to one another.

In einer anderen Ausführungsform ist der Stutzen vom Anschlusskasten lösbar, so dass der Stutzen auch einen kleineren Durchmesser als das Gehäuse des Volumenstromreglers haben kann, oder der Anschlussabschnitt mündet unmittelbar in eine Wand des Anschlusskastens, so dass der Stutzen entfallen kann oder, anders gesagt, der Stutzen unmittelbar durch den Anschlussabschnitt gebildet wird.In another embodiment, the connection piece can be detached from the connection box, so that the connection piece can also have a smaller diameter than the housing of the volume flow controller, or the connection section opens directly into a wall of the connection box, so that the socket can be omitted or, in other words, the socket is formed directly by the connection section.

Wenn der Volumenstromregler in dem Aufnahmeabschnitt aufgenommen ist, so ist sein Gehäuse mit Dichtungen an der Innenwand des Aufnahmeabschnitts abgedichtet. Im Anschlussabschnitt ist das Gehäuse des Volumenstromreglers dagegen mit Spiel von dem Anschlussabschnitt umgeben, so dass der Volumenstromregler sich leichter in den Anschlusskasten ziehen lässt, ohne dass die Dichtungen beschädigt werden.When the volume flow controller is accommodated in the accommodation section, its housing is sealed with seals on the inner wall of the accommodation section. In the connection section, however, the housing of the volume flow controller is surrounded by the connection section with play, so that the volume flow controller can be pulled more easily into the connection box without damaging the seals.

Die Lüftungsleitung verläuft vorzugsweise parallel zur Gebäudedecke, und dementsprechend verläuft die Achse der Adapterhülse parallel zur Ebene der Zugangsöffnung des Anschlusskastens.The ventilation duct preferably runs parallel to the ceiling of the building and accordingly the axis of the adapter sleeve runs parallel to the plane of the access opening of the connection box.

In einer vorteilhaften Ausführungsform ist die Länge der Zugangsöffnung in Richtung der Achse des Stutzens und/oder der Adapterhülse größer als die axiale Länge des Gehäuses des Volumenstromreglers, so dass sich der Volumenstromregler durch die Zugangsöffhung hindurch ganz entnehmen lässt.In an advantageous embodiment, the length of the access opening in the direction of the axis of the socket and/or the adapter sleeve is greater than the axial length of the housing of the volume flow controller, so that the volume flow controller can be completely removed through the access opening.

Wahlweise kann die Adapterhülse noch einen Abschnitt mit reduziertem Durchmesser aufweisen, der als Steckverbinder dient und in das Rohr der Lüftungsleitung eingreift.Optionally, the adapter sleeve can also have a section with a reduced diameter, which serves as a plug connector and engages in the pipe of the ventilation duct.

Im folgenden werden Ausführungsbeispiele anhand der Zeichnungen näher erläutert.Exemplary embodiments are explained in more detail below with reference to the drawings.

Es zeigen:

Fig. 1
einen Längsschnitt durch einen Teil einer Lüftungsleitung mit einer erfindungsgemäßen Volumenstromregleranordnung;
Fig. 2 und 3
Schnittdarstellungen für verschiedene Stadien während der Entnahme des Volumenstromreglers;
Fig. 4
eine vergrößerte Längsschnittdarstellung (durch verschiedene Ebenen und Bereiche) des Volumenstromreglers;
Fig. 5
eine Ansicht einer Stelleinrichtung des Volumenstromreglers; und
Fig. 6 bis 8
Schnittdarstellungen analog zu Fig.1, für abgewandelte Ausführungsformen der Erfindung.
Show it:
1
a longitudinal section through part of a ventilation duct with a volume flow controller arrangement according to the invention;
Figures 2 and 3
Sectional views for various stages during the removal of the volume flow controller;
4
an enlarged longitudinal sectional view (through different levels and areas) of the volume flow controller;
figure 5
a view of an adjusting device of the volume flow controller; and
Figures 6 to 8
Sectional representations analogous to Fig.1 , for modified embodiments of the invention.

In Fig. 1 ist ein Teil einer Lüftungsleitung 10 dargestellt, die in einem Deckenhohlraum oberhalb einer abgehängten Decke 12 eines Gebäudes verlegt ist und ein Rohr 14 für die Zufuhr von Zuluft, eine Volumenstromregleranordnung 16 und einen Anschlusskasten 18 aufweist. Der Anschlusskasten 18 ist in die Decke 12 eingelassen und weist an der Unterseite eine Zugangsöffnung 20 auf, in die ein nicht gezeigter Luftdurchlass eingesetzt werden kann.In 1 1 shows part of a ventilation duct 10 laid in a ceiling cavity above a false ceiling 12 of a building and having a pipe 14 for the supply of supply air, a volume flow control arrangement 16 and a connection box 18 . The connection box 18 is embedded in the ceiling 12 and has an access opening 20 on the underside, into which an air passage (not shown) can be inserted.

Der Anschlusskasten 18 ist über die Volumenstromregleranordnung 16 luftströmungstechnisch mit dem Rohr 14 verbunden, so dass die über das Rohr 14 zugeführte Zuluft nach unten in den Raum unterhalb der Decke 12 abgegeben werden kann.The connection box 18 is connected in terms of airflow to the tube 14 via the volume flow controller arrangement 16 so that the supply air supplied via the tube 14 can be discharged downwards into the space below the ceiling 12 .

Die Volumenstromregleranordnung 16 weist eine Adapterhülse 22 auf, die mit einem Steckverbinderabschnitt 24 in das Ende des Rohres 14 eingesteckt ist und in einem Aufnahmeabschnitt 26 mit etwas größerem Durchmesser einen Volumenstromregler 28 aufnimmt. An den Aufnahmeabschnitt schließt sich einstückig ein nochmals im Durchmesser erweiterter Anschlussabschnitt 30 an. Das offene Ende des Anschlussabschnitts 30 ist an einen Stutzen 32 des Anschlusskastens 18 angeschlossen. Die Verbindungen zwischen dem Rohr 14 und dem Steckverbinderabschnitt 24 einerseits und dem Anschlussabschnitt 30 und dem Stutzen 32 andererseits sind in bekannter Weise durch Dichtungen abgedichtet.The volume flow controller arrangement 16 has an adapter sleeve 22 which is plugged into the end of the pipe 14 with a plug connector section 24 and accommodates a volume flow controller 28 in a receiving section 26 with a somewhat larger diameter. A connection section 30, which is again enlarged in diameter, adjoins the receiving section in one piece. The open end of the connector section 30 is connected to a socket 32 of the connection box 18 . The connections between the tube 14 and the connector section 24 on the one hand and the connection section 30 and the socket 32 on the other hand are sealed in a known manner by seals.

Der Durchmesser des Rohres 14 sowie auch der Durchmesser des Stutzens 32 entspricht jeweils einer genormten Nennweite. Die Nennweite des Stutzens 32 ist hier jedoch größer als die Nennweite des Rohres 14 und als die darauf abgestimmte Nennweite (Außendurchmesser) des Volumenstromreglers 28.The diameter of the tube 14 and the diameter of the socket 32 each correspond to a standardized nominal size. However, the nominal width of the socket 32 is larger than the nominal width of the pipe 14 and the matching nominal width (outer diameter) of the volume flow controller 28.

Außerdem ist die axiale Länge L1 des Volumenstromreglers 28 kleiner als die axiale Länge L2 der Zugangsöffnung 20.In addition, the axial length L1 of the volume flow controller 28 is less than the axial length L2 of the access opening 20.

Dadurch ist es möglich, den Volumenstromregler 28 auszubauen, indem er durch dass Innere des Anschlussabschnitts 30 und des Stutzens 32 hindurch in den Anschlusskasten gezogen und dann durch die Zugangsöffnung 20 entnommen wird, wie in Fig. 2 und 3 gezeigt ist. So lässt sich der Volumenstromregler zum Verstellen, zu Reinigungs- oder Überprüfungszwecken aus- und wieder einbauen, ohne dass dazu Teile der Decke 12 entfernt werden müssen.This allows the volumetric flow controller 28 to be removed by pulling it through the interior of the connection section 30 and the nozzle 32 into the connection box and then removing it through the access opening 20, as shown in FIG Figures 2 and 3 is shown. The volume flow controller can thus be removed and reinstalled for adjustment, cleaning or checking purposes, without parts of the cover 12 having to be removed for this purpose.

Der Aufbau des Volumenstromreglers 28 ist in Fig. 4 und 5 näher dargestellt.The structure of the volume flow controller 28 is in Figures 4 and 5 shown in more detail.

In Fig. 4 ist in einem axialen Schnitt ein rohrförmiges Gehäuse 38 des Volumenstromreglers 28 gezeigt. Das Gehäuse 38 hat einen kreisförmigen Querschnitt. Seine Umfangswand bildet jedoch im Bereich des oberen Scheitels einen Einzug 40, der den Strömungsquerschnitt lokal verengt. An dem Einzug 40 ist im Inneren des Gehäuses 38 ein Anschlag 42 für ein Drosselelement 44 angeordnet.In 4 a tubular housing 38 of the volume flow controller 28 is shown in an axial section. The housing 38 has a circular cross section. Its peripheral wall, however, forms an indentation 40 in the region of the upper peak, which narrows the flow cross section locally. A stop 42 for a throttle element 44 is arranged on the feeder 40 inside the housing 38 .

Das Drosselelement 44 hat die Form einer Klappe, die um eine Achse 46 schwenkbar ist, die senkrecht zur Zeichenebene in Fig. 3 durch die Mitte des kreisförmigen Querschnitts des Gehäuses 38 verläuft. Ein Ende der Achse 46 verläuft durch den oberen Teil einer vom Inneren des Gehäuses 10 abgetrennten Kammer 48, die eine Einstelleinrichtung 50 sowie eine Rückstellmechanik als Regelmechanik für das Drosselelement 44 aufnimmt. In Fig. 4 ist eine äußere Abdeckung der Kammer 48 fortgelassen, so dass man in das Innere dieser Kammer blicken kann.The throttle element 44 has the form of a flap which can be pivoted about an axis 46 which is perpendicular to the plane of the drawing 3 passes through the center of the circular cross-section of the housing 38. One end of the axle 46 runs through the upper part of a chamber 48 which is separated from the interior of the housing 10 and which accommodates an adjustment device 50 and a return mechanism as a control mechanism for the throttle element 44 . In 4 An outer cover of chamber 48 is omitted so that the interior of that chamber can be viewed.

Zu der Rückstellmechanik für das Klappenblatt gehören eine Biegefeder 52, die in diesem Beispiel als Blattfeder ausgebildet ist, sowie ein Einstellelement 54, das ebenfalls als Blattfeder ausgebildet ist. Ein oberes Ende der Biegefeder 52 ist starr an der Achse 46 gehalten und schmiegt sich an eine Stützkontur eines Unterstützungskörpers 56 an, der ebenfalls starr an der Achse 46 gehalten ist. Das Einstellelement 54 ist nach Art eines Auslegers an einem Tragkörper 58 gehalten und bildet mit einem klingeartigen freien Ende einen Anschlag 60 für die Biegefeder 52, deren Länge jedoch so bemessen ist, dass sie mit ihrem freien Ende etwas über den Anschlag 60 hinausragt.The restoring mechanism for the flap leaf includes a bending spring 52, which is designed as a leaf spring in this example, and an adjustment element 54, which is also designed as a leaf spring. An upper end of the bending spring 52 is held rigidly on the axle 46 and nestles against a support contour of a support body 56 which is also held rigidly on the axle 46 . The adjusting element 54 is held on a support body 58 in the manner of a cantilever and forms a stop 60 for the bending spring 52 with a blade-like free end, the length of which is dimensioned such that its free end protrudes slightly beyond the stop 60 .

Der Tragkörper 58 für das Einstellelement 54 ist um eine Achse 62 drehbar in der Kammer 48 gehalten und mit Hilfe eines Fixierarmes 64 in der jeweils eingestellten Winkelposition fixierbar.The supporting body 58 for the setting element 54 is held in the chamber 48 so that it can rotate about an axis 62 and can be fixed in the respectively set angular position with the aid of a fixing arm 64 .

Fig. 5 zeigt eine Abdeckung 66, die die äußere Verkleidung der Kammer 48 bildet und an der eine Einstellmechanik für den Tragkörper 58 und das Einstellelement 54 angeordnet ist. Die Achse 62 durchsetzt die Abdeckung 66 und trägt auf der Außenseite dieser Abdeckung einen Sechskant 68 und einen Zeiger 70, die beide starr mit dem Tragkörper 58 verbunden sind. Die Konturen des Sechskants 68 und des Zeigers 70 sind in Fig. 4 strichpunktiert angedeutet. figure 5 shows a cover 66, which forms the outer lining of the chamber 48 and on which an adjustment mechanism for the support body 58 and the adjustment element 54 is arranged. The axle 62 passes through the cover 66 and carries a hexagon 68 and a pointer 70 on the outside of this cover, both of which are rigidly connected to the supporting body 58 . The contours of the hexagon 68 and the pointer 70 are in 4 indicated by dotted lines.

Der Fixierarm 64 trägt am freien Ende eine Fixierschraube 72, die einen kreisbogenförmigen Schlitz 74 der Abdeckung 66 durchsetzt und es so erlaubt, den Tragkörper 58 und damit das Einstellelement 54 (Fig. 4) in der jeweils gewählten Winkelposition zu fixieren. An der Abdeckung 66 ist eine Skala 76 angebracht, an der mit Hilfe des Zeigers 70 die jeweils gewählte Winkelposition bzw. zugehörig die Sollwertvorgabe für die Strömungsgeschwindigkeit bzw. den Volumenstrom abgelesen werden kann.The fixing arm 64 carries a fixing screw 72 at the free end, which passes through a circular arc-shaped slot 74 of the cover 66 and thus allows the support body 58 and thus the adjustment element 54 ( 4 ) in the selected angular position. A scale 76 is attached to the cover 66, on which the selected angular position or the associated setpoint specification for the flow rate or the volume flow can be read off with the aid of the pointer 70 .

Wenn die Zuluft den Volumenstromregler 28 in Richtung des Pfeils A in Fig. 1 durchströmt, so übt sie auf das Drosselelement 44 ein Drehmoment aus, das die Tendenz hat, dieses in Schließrichtung zu verschwenken. Die Rückstellkraft wirkt diesem Drehmoment entgegen, so dass der Volumenstrom auf einen konstanten Wert geregelt wird, der der Gleichgewichtsposition des Drosselelements 44 entspricht somit von der einstellbaren Rückstellkraft abhängig ist.If the supply air moves the volume flow controller 28 in the direction of arrow A in 1 flows through, it exerts a torque on the throttle element 44, which has the tendency to pivot it in the closing direction. The restoring force counteracts this torque, so that the volume flow is regulated to a constant value, which corresponds to the equilibrium position of the throttle element 44 and is therefore dependent on the adjustable restoring force.

Nach dem Ausbau des Volumenstromreglers ist die Einstelleinrichtung 50 zugänglich, so dass mit Hilfe des Sechskants 68 die Einstellung des Soll-Volumenstroms verändert werden oder aber eine Reinigung oder Überprüfung stattfinden kann.After removing the volume flow controller, the setting device 50 is accessible so that the setting of the target volume flow can be changed with the aid of the hexagon 68 or cleaning or checking can take place.

In Fig. 4 ist erkennbar, dass das Gehäuse 38 des Volumenstromreglers an seinen entgegengesetzten Enden von umlaufenden Lippendichtungen 78 umgeben ist, die zur Abdichtung an der Innenwand des Aufnahmeabschnitts 26 dienen. Wenn der Volumenstromregler von dem Anschlusskasten 18 aus in den Aufnahmeabschnitt 26 geschoben wird, so werden die Lippendichtungen 78 in der in Fig. 4 gezeigten Weise umgebogen. In dieser Stellung erzeugen die Lippendichtungen eine hohe Haltekraft, wenn der Volumenstromregler in Richtung des Pfeiles A von der Luft angeströmt wird. So wird verhindert, dass der Volumenstromregler durch die Luftströmung mitgenommen wird. Wenn der Volumenstromregler hingegen von Hand in den Anschlussabschnitt 30 oder den Anschlusskasten 18 gezogen wird, um Zugang zu der Einstelleinrichtung 50 zu erhalten, so wird auf das Gehäuse 28 eine größere Kraft in Verschieberichtung ausgeübt, mit der Folge, dass die Lippendichtungen 78 in die mit der Folge, dass die Lippendichtungen 78 in die entgegengesetzte Stellung umschlagen, in der sie der Ausziehbewegung einen geringeren Reibungswiderstand entgegensetzen.In 4 it can be seen that the housing 38 of the volume flow controller is surrounded at its opposite ends by peripheral lip seals 78 which are used to seal against the inner wall of the receiving section 26 . When the volume flow controller is pushed from the connection box 18 into the receiving section 26, the lip seals 78 in the 4 bent in the manner shown. In this position, the lip seals generate a high holding force when the air flows against the volumetric flow controller in the direction of arrow A. This prevents the volume flow controller from being carried along by the air flow. If, on the other hand, the volume flow controller is pulled into the connection section 30 or the connection box 18 by hand in order to gain access to the adjustment device 50, a greater force is exerted on the housing 28 in the direction of displacement, with the result that the lip seals 78 in the with the result that the lip seals 78 flip over to the opposite position in which they offer less frictional resistance to the extension movement.

Fig. 6 zeigt ein Ausführungsbeispiel, bei dem anstelle des Steckverbinderabschnitts 24 in Fig. 1 eine Verbinderhülse 80 vorgesehen ist, die mit einem Ende in das Rohr 14 und mit dem entgengesetzten Ende in den Aufnahmeabschnitt 26 der Adapterhülse 22 eingesteckt ist. Zur Verbindung des Anschlussabschnitts 30 der Adapterhülse mit dem Stutzen 32 ist hier eine Verbinderhülse 82 vorgesehen, die die einander zugewandten Enden des Anschlussabschnitts 30 und des Stutzens 32 außen umgibt. Generell können zur dichten Verbindung der Adapterhülse 22 mit dem Rohr 14 einerseits und mit dem Stutzen 32 andererseits verschiedenste Formen von Steckverbindungen oder auch Flanschverbindungen oder Spannbügelverbindungen vorgesehen sein. 6 shows an embodiment in which instead of the connector section 24 in 1 a connector sleeve 80 is provided which is inserted into the tube 14 at one end and into the receiving portion 26 of the adapter sleeve 22 at the opposite end. To connect the connection section 30 of the adapter sleeve to the socket 32 , a connector sleeve 82 is provided here, which surrounds the ends of the connection section 30 and the socket 32 facing one another on the outside. In general, the most varied forms of plug-in connections or also flange connections or clamp connections can be provided for the tight connection of the adapter sleeve 22 to the pipe 14 on the one hand and to the socket 32 on the other hand.

Fig. 7 zeigt ein Ausführungsbeispiel, bei dem der Anschlussabschnitt 30 der Adapterhülse 22 fest und gasdicht in einer Seitenwand 84 des Anschlusskastens 18 gehalten ist, so dass kein besonderer Stutzen zur Verbindung der Adapterhülse mit dem Anschlusskasten benötigt wird. 7 shows an exemplary embodiment in which the connection section 30 of the adapter sleeve 22 is held firmly and gas-tight in a side wall 84 of the connection box 18, so that no special connection piece is required to connect the adapter sleeve to the connection box.

Fig. 8 zeigt eine Ausführungsform, bei der ein Stutzen 86 vorhanden ist, der jedoch lösbar an der Seitenwand 84 des Anschlusskastens 18 montiert ist. Der Stutzen durchgreift eine Öffnung in der Seitenwand 84 und ist dicht in das Ende des Anschlussabschnitts 30 eingesteckt. An seinem innerhalb des Anschlusskastens 18 gelegenen Ende weist der Stutzen einen Flansch 88 auf, der dicht an der Wand des Anschlusskastens anliegt. 8 14 shows an embodiment in which a stub 86 is present but is removably mounted to the side wall 84 of the junction box 18. FIG. The stub extends through an opening in the side wall 84 and is inserted tightly into the end of the connection section 30 . At its end located inside the junction box 18, the stub has a flange 88 which fits tightly against the wall of the junction box.

Wenn bei dieser Ausführungsform der Volumenstromregler 28 herausgezogen werden soll, so wird zunächst der Stutzen 86 entfernt, so dass ein hinreichend großer Durchlassquerschnitt für das Gehäuse des Volumenstromreglers gebildet wird. Bei dieser Ausführungsform ist es deshalb nicht notwendig, dass der Innendurchmesser des Stutzens 86 größer ist als der Außendurchmesser des Gehäuses des Volumenstromreglers.If the volume flow controller 28 is to be pulled out in this embodiment, the connection piece 86 is first removed so that a sufficiently large passage cross section is formed for the housing of the volume flow controller. At this Embodiment, it is therefore not necessary that the inner diameter of the socket 86 is larger than the outer diameter of the housing of the volume flow controller.

Claims (5)

  1. Volume flow regulator assembly comprising a volume flow regulator (28) configured to be built into a ventilation line, the volume flow regulator having a tubular casing (38), a throttle member (44) that is movably arranged in the casing, and an actuator (50) mounted on the outside of the casing for adjusting the throttle member, characterized by a connector box (18) having an access opening (20) that is exposed in an installed condition of the assembly, and by an adapter sleeve (22) having a receiving section (26) in which the volume flow regulator (28) is slidably accommodated, the adapter sleeve further having a connector section (30) axially adjacent to the receiving section and adapted to be connected to a socket (32) of the connector box, wherein the internal diameter of the connector section (30) and the internal diameter of the socket (32) as well as the width of the access opening in the direction transverse to the axis of the socket (32) are larger than the external diameter of the casing (38) of the volume flow regulator.
  2. Volume flow regulator assembly comprising a volume flow regulator (28) configured to be built into a ventilation line, the volume flow regulator having a tubular casing (38), a throttle member (44) that is movably arranged in the casing, and an actuator (50) mounted on the outside of the casing for adjusting the throttle member, characterized by a connector box (18) having an access opening (20) that is exposed in an installed condition of the assembly, and by an adapter sleeve (22) having a receiving section (26) in which the volume flow regulator (28) is slidably accommodated, the adapter sleeve further having a connector section (30) axially adjacent to the receiving section and opening out in a wall (84) of the connector box, wherein the internal diameter of the connector section (30) and the width of the access opening in the direction transverse to the axis of the connector section (30) are larger than the external diameter of the casing (38) of the volume flow regulator.
  3. Volume flow regulator assembly according to claim 2, wherein the connector section (30) is connected to the connector box (18) via a detachable socket (86) that has been inserted into the end of the connector section (30) from the interior of the connector box.
  4. Volume flow regulator assembly according to any of the claims 1 to 3, wherein the length (L2) of the access opening (20) in the direction of the axis of the adapter sleeve (22) is larger than the axial length (L1) of the casing (38) of the volume flow regulator.
  5. Volume flow regulator assembly according to any of the claims 1 to 4, wherein the receiving section (26) has, at its end opposite to the connector section (30), a plug connector section (24) with reduced diameter for connection to a pipe (14) of the ventilation line.
EP16158601.1A 2015-03-06 2016-03-04 Volume current controller assembly Active EP3064854B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015101093.1U DE202015101093U1 (en) 2015-03-06 2015-03-06 Volume flow regulator assembly

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EP3064854A1 EP3064854A1 (en) 2016-09-07
EP3064854B1 true EP3064854B1 (en) 2022-09-21

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8425671D0 (en) * 1984-10-11 1984-11-14 Radialtemp Ltd Fluid control valves
US6019677A (en) * 1997-08-22 2000-02-01 York International Corporation Modular integrated terminals and associated systems for heating and cooling
DE20214414U1 (en) * 2002-09-18 2002-12-19 Trox Gmbh Geb Volume flow controller
DE202004010647U1 (en) * 2004-07-07 2004-10-14 Erwin Müller GmbH Combined supply and exhaust air outlet
DE202013100885U1 (en) 2013-03-01 2014-06-04 Werner Wildeboer Volume flow controller

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