EP2154439B1 - Volumenstromregler, insbesondere für klima-und lüftungstechnische Anlagen - Google Patents

Volumenstromregler, insbesondere für klima-und lüftungstechnische Anlagen Download PDF

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Publication number
EP2154439B1
EP2154439B1 EP08013967A EP08013967A EP2154439B1 EP 2154439 B1 EP2154439 B1 EP 2154439B1 EP 08013967 A EP08013967 A EP 08013967A EP 08013967 A EP08013967 A EP 08013967A EP 2154439 B1 EP2154439 B1 EP 2154439B1
Authority
EP
European Patent Office
Prior art keywords
volume flow
flow regulator
flow
regulator according
wall
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
EP08013967A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2154439A1 (de
Inventor
Thomas Dr. Sefker
Gregor Baumeister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebrueder Trox GmbH
Original Assignee
Gebrueder Trox GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to PT08013967T priority Critical patent/PT2154439E/pt
Priority to PL08013967T priority patent/PL2154439T3/pl
Priority to ES08013967T priority patent/ES2378286T3/es
Priority to EP08013967A priority patent/EP2154439B1/de
Priority to AT08013967T priority patent/ATE539302T1/de
Application filed by Gebrueder Trox GmbH filed Critical Gebrueder Trox GmbH
Priority to DK08013967.8T priority patent/DK2154439T3/da
Publication of EP2154439A1 publication Critical patent/EP2154439A1/de
Publication of EP2154439B1 publication Critical patent/EP2154439B1/de
Application granted granted Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/029—Duct comprising an opening for inspection, e.g. manhole

Definitions

  • the invention relates to a volumetric flow controller, in particular for air conditioning and ventilation systems, according to the preamble of claim 1.
  • a volumetric flow controller is made FR 2 644 243 known.
  • volumetric flow controllers are known.
  • the control valve is pivoted under the action of the fluid flowing against the control valve against a restoring force from an open position to a closed position and swung back at decreasing volume flow of the flowing medium by the restoring force back into the open position.
  • Such volumetric flow controllers work mechanically automatically, because the flow-related control valve torque is compensated by the restoring force, which is usually generated by a spring.
  • the pivot position of the control valve changes, so that the volume flow is automatically controlled in the flow channel.
  • volumetric flow controller with actuators are also known volumetric flow controller with actuators.
  • a disadvantage of known volumetric flow controllers is that at low valve closing angles of about 15 ° only a small restriction can be achieved, but with increasing valve closing angles, the throttle effect increases sharply.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a volumetric flow controller, the throttle effect increases more uniformly with increasing flap closing angle.
  • the cross section of the channel can be square or round.
  • the flow barrier can be configured circumferentially. But it is also quite possible that, for example, in the case of quadrangular channels, a flow barrier is arranged only in the region of one side.
  • the flow barrier can be arranged on the outside, ie in contact with the inside of the channel wall, and thus at least partially surround the control flap. In order to the butterfly valve is about as large as the free remaining flow area in the flow barrier area. If the channel has a round configuration, the annular flow barrier completely surrounds the control flap. In another embodiment, for example in a rectangular configuration of the channel, only a partial enclosure of the control flap through the flow barrier is possible.
  • the flow barrier can be arranged on the inside and be enclosed by the, in particular ring-shaped, control flap.
  • the flow barrier is mounted on the same shaft as the control flap.
  • the flow barrier is also mounted pivotably.
  • the volume flow controller according to the invention can be operated on the one hand like an already known volume flow controller.
  • the flow barrier and the control flap can be pivoted equally. However, if only the control flap and not the flow barrier is pivoted, on the other hand, the aforementioned advantages in terms of throttling can be achieved.
  • the control flap can be changed by means of an actuator, for example by means of a motor, in their orientation.
  • the volumetric flow regulator has a measuring device for detecting differential pressures of the medium flowing in the flow channel with at least two discharge openings arranged at a distance one behind the other in the flow direction on. Since the measuring device is integrated directly in the volumetric flow controller, so that the volume flow controller according to the invention due to the short length a compact design. Due to the short length only a small space is needed, so that such flow regulators are particularly suitable, for example, for use in laboratory fume hoods. By means of the measuring device differential pressures in flow channels are determined. The measuring device has two discharge openings arranged one behind the other at a mutual distance in the flow direction. From the determined pressure difference, which is a measure of the flow per unit time, for example, the volume flow or the flow rate can be determined.
  • the measuring device can be connected to the actuating drive with a signal acting evaluation and / or control device.
  • the evaluation device may be a display such as e.g. a pressure gauge, be provided which indicates the pressure difference. But it can also be used transmitters that convert the determined pressure difference into an electrical signal, which is then optionally forwarded to a control device.
  • the measuring device determines a pressure difference and from this an actual value is determined. If a control device is provided, the actual value is compared with a stored setpoint. In the event of deviations, the actuator receives a corresponding signal via a data connection.
  • the flow barrier which reduces the flow cross section by a partial area, is arranged between the removal openings.
  • the flow barrier may be formed as a circumferential aperture provided on the edge of the channel wall, whose outer edge is sealed off from the channel wall.
  • At the inner edge of the aperture may be provided both on the outflow side and in the direction of the adjacent channel wall facing circumferential annular wall which each form together with the diaphragm and the channel wall on and a downstream and annular chamber, wherein the on the inlet or outflow-side free edge of the walls, at least in partial areas distributed along the circumference, in particular on the entire circumference to form a completely circumferential gap, is spaced from the inside of the channel wall.
  • Each of these chambers has at the inflow or outflow-side free edge of the wall either over the entire circumference of a circumferential gap between the wall and the channel wall. But it is also quite possible that the wall is in some areas in contact with the duct wall. But then at least over the circumference distributed portions of the inflow or outflow-side free edge of the wall are spaced from the channel wall.
  • the removal openings in the horizontal orientation of the channel are to be arranged in the upper region, so that even with a collection of dirt particles or condensate in the lower region via the removal opening, the pressures can be determined at any time.
  • the shape of the upstream and downstream wall is to be determined so that a pressure difference can be measured.
  • the inflow-side wall viewed at least in a partial region in the flow direction, can be designed to converge in a funnel-like manner while reducing the free flow cross-section.
  • the contour of the upstream wall can be curved at least in a partial area. But there are also other contours possible.
  • the region of the downstream wall adjoining the inner edge of the diaphragm is designed as a cylinder which is bent at its free end in the direction of the duct wall.
  • the free end can be angled away from one another approximately at right angles to the cylinder in the direction of the channel wall or else in a funnel-like manner in the flow direction.
  • the free end can be angled away from one another approximately at right angles to the cylinder in the direction of the channel wall or else in a funnel-like manner in the flow direction.
  • a collar may be formed, which may protrude either only on one side of the panel or on both sides. This edge serves as adjustment and alignment, so that an unwanted tilt is avoided.
  • Other embodiments are of course conceivable.
  • a groove into which the outer edge of the aperture is introduced can be formed from two mutually klippsten channel sections.
  • a stop consisting of two partial areas is provided on the inside of the channel wall, against which the control flap rests with its edge area in the closed position. If each subregion extends approximately over half of the circumference, it makes sense if the subregions are approximately at the thickness of the Control valve are arranged offset from each other so that the control valve can assume an open position in which the control flap is aligned approximately parallel to the flow direction. Each partial area of the stop corresponds approximately to the area of the circumference of the channel to be sealed by the respective half of the control flap.
  • the single FIGURE shows a volumetric flow regulator with a channel 2 having a channel wall 1 inside a swivel-mounted control flap 5 on a shaft 4 arranged transversely to the flow direction 3.
  • the shaft 4 divides the control flap 5 into two control flap parts of approximately equal size.
  • the shaft 4 is located in the plane of the control flap 5 or is attached directly to the side of the control flap 5.
  • a flow barrier 6 which reduces the flow cross section of the channel 2 by a partial region is provided.
  • the shaft 4 of the control flap 5 is arranged in the region of the reduced flow cross section.
  • the flow barrier 6 is arranged on the outside and thus encloses the control flap 5 completely.
  • the flow barrier 6 is stationary.
  • the flow barrier 6 is formed as a peripherally provided on the channel wall 1 circumferential aperture 7, whose outer edge is sealed against the channel wall 1.
  • a circumferential annular wall 8 pointing in the direction of the adjacent channel wall 1, 9 is provided, each forming together with the diaphragm 7 and the channel wall 1 each on and downstream and annular chamber 10, 11.
  • the inflowing or outflow-side free edge of the wall 8, 9 is spaced from the inside of the channel wall 1 in partial regions 12, 13 distributed along the circumference.
  • the respective free edge of the wall 8, 9 also has a supporting function. But it is also quite possible that at least a portion 12, 13 is formed as each extending over the entire circumference, circumferential gap.
  • the inflow-side wall 8, seen in the flow direction 3, is designed to converge in a funnel-like manner at least at a partial region 8a while reducing the free flow cross-section.
  • the adjacent to the inner edge of the aperture 7 region 9a of the downstream wall 9 is formed as a cylinder which is angled at its free end 9b in the direction of the channel wall 1.
  • the wall 9 can also be configured differently.
  • the free end 9b-like the partial region 8a- is formed like a funnel-like curve.
  • the wall 9 seen along its entire length in the flow direction 3 can be designed to taper apart.
  • each have a removal opening 14, 15 of a measuring device is arranged. This can be in the respective chamber 10, 11 itself adjusting pressure determined and a corresponding differential pressure can be determined.
  • the removal openings 14, 15 are connected to an evaluation and / or control device, not shown. This acts on an actuator, also not shown, which is in communication with the control valve 5, with a signal corresponding to the specific pressure difference.
  • the control flap 5 rests with its edge region on a stop 16, which is located in the region of the reduced flow cross-section. Due to the central arrangement of the shaft 4, the stop 16 is divided into two parts, wherein the one half of the control flap 5 rests against the one partial area 16a of the stop 16 and the other half of the control flap 5 against the other partial area 16b of the stop 16.
  • the stop 16 is integrally formed on the channel 2.
  • Each portion 16a, 16b of the stop 16 corresponds approximately to the region of the circumference of the channel 2 to be sealed by the respective half of the control flap 5.
  • the two partial areas 16a, 16b of the stop 16 are approximately offset by the thickness of the control flap 5 in the direction of flow 3 to each other and arranged so that the control flap 5 can assume an open position in which the control flap 5 is aligned approximately parallel to the flow direction 3.

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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)
  • Lift Valve (AREA)
  • Air-Flow Control Members (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Ventilation (AREA)
  • Measuring Volume Flow (AREA)
EP08013967A 2008-08-05 2008-08-05 Volumenstromregler, insbesondere für klima-und lüftungstechnische Anlagen Active EP2154439B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL08013967T PL2154439T3 (pl) 2008-08-05 2008-08-05 Regulator strumienia objętości, zwłaszcza do instalacji klimatyzacyjnych lub wentylacyjnych
ES08013967T ES2378286T3 (es) 2008-08-05 2008-08-05 Regulador de caudal volumétrico, especialmente para instalaciones de climatización y ventilación
EP08013967A EP2154439B1 (de) 2008-08-05 2008-08-05 Volumenstromregler, insbesondere für klima-und lüftungstechnische Anlagen
AT08013967T ATE539302T1 (de) 2008-08-05 2008-08-05 Volumenstromregler, insbesondere für klima-und lüftungstechnische anlagen
PT08013967T PT2154439E (pt) 2008-08-05 2008-08-05 Regulador de débito volumétrico, principalmente para instalações técnicas de climatização e ventilação
DK08013967.8T DK2154439T3 (da) 2008-08-05 2008-08-05 Volumenstrømsregulator, især til klima- og ventilationsanlæg

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08013967A EP2154439B1 (de) 2008-08-05 2008-08-05 Volumenstromregler, insbesondere für klima-und lüftungstechnische Anlagen

Publications (2)

Publication Number Publication Date
EP2154439A1 EP2154439A1 (de) 2010-02-17
EP2154439B1 true EP2154439B1 (de) 2011-12-28

Family

ID=39863118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08013967A Active EP2154439B1 (de) 2008-08-05 2008-08-05 Volumenstromregler, insbesondere für klima-und lüftungstechnische Anlagen

Country Status (6)

Country Link
EP (1) EP2154439B1 (es)
AT (1) ATE539302T1 (es)
DK (1) DK2154439T3 (es)
ES (1) ES2378286T3 (es)
PL (1) PL2154439T3 (es)
PT (1) PT2154439E (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022105616U1 (de) 2022-10-05 2022-10-21 Siegenia-Aubi Kg Volumenstromregler, insbesondere für klima- und lüftungstechnische Anlagen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011053269A1 (de) * 2011-09-05 2013-03-07 Schako Klima Luft, Ferdinand Schad Kg Vorrichtung zum Regeln eines Luftvolumenstroms
DE102013201025B4 (de) 2013-01-23 2016-10-27 Hans Schneider Elektronik GmbH Vorrichtung zum Bestimmen der Größe eines Volumenstroms eines Fluids

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1813885A1 (de) * 1968-12-11 1970-07-02 Steinmueller Gmbh L & C Dichtschliessende Klappe fuer kreiszylindrische Kanaele
SE396250B (sv) * 1975-04-29 1977-09-12 Stifab Ab Regulatoranordning avsedd att inga i en fluidstrombana, t ex luftstromningsbana
FR2495798B1 (fr) * 1980-12-10 1986-02-14 Comp Generale Electricite Dispositif pour la commande d'un debit gazeux
DE8902922U1 (de) * 1989-03-10 1989-11-09 Spiro Machines S.A., Bösingen Fluidleitung mit Druckmeßeinheit
EP1318359B1 (de) * 2001-12-04 2010-09-08 Emil Siegwart Strömungsmengenregler
DE20214414U1 (de) * 2002-09-18 2002-12-19 Gebrüder Trox, GmbH, 47506 Neukirchen-Vluyn Volumenstromregler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022105616U1 (de) 2022-10-05 2022-10-21 Siegenia-Aubi Kg Volumenstromregler, insbesondere für klima- und lüftungstechnische Anlagen
WO2024074242A1 (de) 2022-10-05 2024-04-11 Siegenia-Aubi Kg Volumenstromregler, insbesondere für klima- und lüftungstechnische anlagen

Also Published As

Publication number Publication date
PL2154439T3 (pl) 2012-05-31
EP2154439A1 (de) 2010-02-17
ES2378286T3 (es) 2012-04-10
DK2154439T3 (da) 2012-04-10
PT2154439E (pt) 2012-03-21
ATE539302T1 (de) 2012-01-15

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