EP3064854B1 - Systeme regulateur de debit - Google Patents

Systeme regulateur de debit 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
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.)
Active
Application number
EP16158601.1A
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German (de)
English (en)
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EP3064854A1 (fr
Inventor
Werner Wildeboer
Enno Johannes Wortelen
Thomas Harms
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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)

Claims (5)

  1. Système régulateur de débit volumétrique ayant un régulateur de débit volumétrique (28) conçu pour être monté dans un conduit de ventilation, lequel régulateur de débit volumétrique comporte une enveloppe tubulaire (38), un élément d'étranglement (44) agencé de manière mobile dans l'enveloppe et un dispositif de réglage (50) agencé à l'extérieur sur l'enveloppe pour régler l'élément d'étranglement, caractérisé par un boîtier de raccordement (18) comportant une ouverture d'accès (20) exposée à l'état monté, et une douille d'adaptation (22) qui reçoit le régulateur de débit volumétrique (28) de manière mobile dans une partie de réception (26) et comporte une partie de raccordement (30) se raccordant axialement, qui peut être raccordée à un embout (32) du boîtier de raccordement, dans lequel le diamètre intérieur de la partie de raccordement (30) et le diamètre intérieur de l'embout (32) ainsi que la largeur de l'ouverture d'accès dans la direction transversale à l'axe de l'embout (32) sont plus grands que le diamètre extérieur du boîtier (38) du régulateur de débit volumétrique.
  2. Système régulateur de débit volumétrique ayant un régulateur de débit volumétrique (28) conçu pour être monté dans un conduit de ventilation, lequel régulateur de débit volumétrique comporte une enveloppe tubulaire (38), un élément d'étranglement (44) agencé de manière mobile dans l'enveloppe et un dispositif de réglage (50) agencé à l'extérieur sur l'enveloppe pour régler l'élément d'étranglement, caractérisé par un boîtier de raccordement (18) comportant une ouverture d'accès (20) exposée à l'état monté, et une douille d'adaptation (22) qui reçoit le régulateur de débit volumétrique (28) de manière mobile dans une partie de réception (26) et comporte une partie de raccordement (30) se raccordant axialement, qui débouche dans une paroi (84) du boîtier de raccordement (18), dans lequel le diamètre intérieur de la partie de raccordement (30) et la largeur de l'ouverture d'accès dans la direction transversale à l'axe de la partie de raccordement (30) sont plus grands que le diamètre extérieur de l'enveloppe (38) du régulateur de débit volumétrique.
  3. Système régulateur de débit volumétrique selon la revendication 2, dans lequel la partie de raccordement (30) est reliée au boîtier de raccordement (18) par un embout amovible (86) qui est inséré dans l'extrémité de la partie de raccordement (30) depuis l'intérieur du boîtier de raccordement.
  4. Système régulateur de débit volumétrique selon l'une des revendications 1 à 3, dans lequel la longueur (L2) de l'ouverture d'accès (20) en direction de l'axe de la douille d'adaptation (22) est plus grande que la longueur axiale (L1) de l'enveloppe (38) du régulateur de débit volumétrique.
  5. Système régulateur de débit volumétrique selon l'une des revendications 1 à 4, dans lequel la partie de réception (26) sur l'extrémité opposée à la partie de raccordement 30) comporte une partie de raccordement (24) à diamètre réduit pour le raccordement à un tuyau (14) de la conduite d'aération.
EP16158601.1A 2015-03-06 2016-03-04 Systeme regulateur de debit Active EP3064854B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015101093.1U DE202015101093U1 (de) 2015-03-06 2015-03-06 Volumenstromregleranordnung

Publications (2)

Publication Number Publication Date
EP3064854A1 EP3064854A1 (fr) 2016-09-07
EP3064854B1 true EP3064854B1 (fr) 2022-09-21

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ID=55524147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16158601.1A Active EP3064854B1 (fr) 2015-03-06 2016-03-04 Systeme regulateur de debit

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EP (1) EP3064854B1 (fr)
DE (1) DE202015101093U1 (fr)

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 (de) * 2002-09-18 2002-12-19 Gebrüder Trox, GmbH, 47506 Neukirchen-Vluyn Volumenstromregler
DE202004010647U1 (de) * 2004-07-07 2004-10-14 Erwin Müller GmbH Kombinierter Zu- und Abluftdurchlaß
DE202013100885U1 (de) 2013-03-01 2014-06-04 Werner Wildeboer Volumenstromregler

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EP3064854A1 (fr) 2016-09-07
DE202015101093U1 (de) 2016-06-07

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