EP0575896B1 - Volumenstromregler für Klima- und Lüftungsanlagen - Google Patents

Volumenstromregler für Klima- und Lüftungsanlagen Download PDF

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Publication number
EP0575896B1
EP0575896B1 EP19930109736 EP93109736A EP0575896B1 EP 0575896 B1 EP0575896 B1 EP 0575896B1 EP 19930109736 EP19930109736 EP 19930109736 EP 93109736 A EP93109736 A EP 93109736A EP 0575896 B1 EP0575896 B1 EP 0575896B1
Authority
EP
European Patent Office
Prior art keywords
spring
cam
flow regulator
leaf spring
volume flow
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.)
Expired - Lifetime
Application number
EP19930109736
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English (en)
French (fr)
Other versions
EP0575896A1 (de
Inventor
Gregor Dipl.-Ing. Baumeister
Manfred Dipl.-Ing. Sadkowski
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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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6880801&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0575896(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gebrueder Trox GmbH filed Critical Gebrueder Trox GmbH
Publication of EP0575896A1 publication Critical patent/EP0575896A1/de
Application granted granted Critical
Publication of EP0575896B1 publication Critical patent/EP0575896B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7786—Turbine or swinging vane type reactor

Definitions

  • the invention relates to a volume flow controller for air conditioning and ventilation systems with a flap pivotable in a flow channel, the pivot shaft of which has a lever arm on which a spring articulates.
  • Such volume flow controllers are known in various designs. They work mechanically automatically because the flow-related flap torque is compensated by the spring. When the flow conditions change, the swivel position of the flap also changes. However, the prerequisite for this is that the spring must be specially calibrated for each controller.
  • the object of the invention is to provide a mechanically automatic volume flow controller in which the spring can be adapted to the control process by simple adjustment.
  • the spring is a leaf spring, one end of which is connected to the lever and the other end is thus fastened to a cam disk is that when the cam disk is adjusted about a pivot point, the leaf spring is carried along by the cam disk and rolls on the curve, and that a device is provided for fixing the cam disk.
  • it is sufficient to turn the cam disc around its pivot point until the leaf spring has reached the desired spring preload.
  • the spring constant and the direction of force application also change. After adjusting the cam disc to the desired setpoints, this position of the cam disc is fixed.
  • a preferred embodiment of the invention is characterized by an arrangement such that the relaxed leaf spring extends essentially orthogonally to the flow channel.
  • a flow channel 1 can be seen with a flap 3 arranged therein on a swivel shaft 2, which, based on its basic position shown in dashed lines and the effect of flow forces of the air flow 6 and against the action of a spring 5 in the direction the arrow 4 is pivotable.
  • a cam disk 8 is mounted on the flow channel 1 so as to be pivotable about a pivot point 7 and can be fixed with a direction (not shown) for fixing in different pivot positions.
  • the spring 5 is attached, which is designed as a leaf spring.
  • the other end of the spring 5 is articulated to a connecting rod 10 or a connecting cable with a lever 11 which sits on the pivot shaft 2 of the flap 3.
  • the relaxed spring 5 is shown with solid lines, which then extends essentially orthogonally to the flow channel 1 or to the flow direction.
  • a functional position is shown with dashed lines, in which the cam plate 8 has been pivoted by a certain angle in the direction of the arrow 12.
  • the leaf spring 5 rolls on the curve 9 of the cam 8, whereby its end connected to the connecting rod 10 experiences a deflection.
  • the spring constant, the spring preload and the direction of force application on the lever 11 change.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Ventilation (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Air Conditioning Control Device (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Mechanically-Actuated Valves (AREA)

Description

  • Die Erfindung betrifft einen Volumenstromregler für Klima- und Lüftungsanlagen mit einer in einem Strömungskanal schwenkbaren Klappe, deren Schwenkwelle einen Hebelarm aufweist, an dem gelenkig eine Feder angreift.
  • Derartige Volumenstromregler sind in verschiedenen Ausführungen bekannt. Sie arbeiten mechanisch selbststätig, weil das strömungsbedingte Klappendrehmoment durch die Feder kompensiert wird. Bei Anderung der Strömungsverhältnisse ändert sich auch die Schwenkstellung der Klappe. Voraussetzung dafür ist allerdings, daß die Feder für jeden Regler speziell kalibriert werden muß.
  • Aufgabe der Erfindung ist es, einen mechanisch selbststätigen Volumenstromregler anzugeben, bei dem die Feder durch einfache Einstellung dem Regelvorgang angepaßt werden kann.
  • Diese Aufgabe wird dadurch gelöst, daß die Feder eine Blattfeder ist, deren eines Ende mit dem Hebel verbunden ist und deren anderes Ende so an einer Kurvenscheibe befestigt ist, daß bei Verstellung der Kurvenscheibe um einen Drehpunkt die Blattfeder von der Kurvenscheibe mitgenommen wird und auf der Kurve abrollt, und daß eine Einrichtung zum Fixieren der Kurvenscheibe vorgesehen ist. Zur Anpassung der Blattfeder an den jeweiligen Regler genügt es, die Kurvenscheibe um ihren Drehpunkt zu verdrehen, bis die Blattfeder die gewünschte Federvorspannung erreicht hat. Dabei ändern sich im allgemeinen auch die Federkonstante und die Kraftangriffsrichtung. Nach Verstellung der Kurvenscheibe bis auf die gewünschten Sollwerte wird diese Stellung der Kurvenscheibe fixiert.
  • Es kann zweckmäßig sein, zur Verbindung des Hebels mit dem zugeordneten Ende der Blattfeder eine Verbindungsstange oder ein Verbindungsseil vorzusehen. Dadurch werden die Möglichkeiten der konstruktiven Gestaltung erweitert.
  • Ein bevorzugte Ausführung der Erfindung ist gekennzeichnet durch eine Anordnung derart, daß die entspannte Blattfeder sich im wesentlichen orthogonal zum Strömungskanal erstreckt.
  • Im folgenden wird ein in der Zeichnung dargestelltes Ausführungsbeispiel der Erfindung erläutert; die einzige Figur zeigt schematisch die Ansicht eines Volumenstromreglers.
  • In der Figur erkennt man einen Strömungskanal 1 mit einer darin auf einer Schwenkwelle 2 angeordneten Klappe 3, die aus ihrer mit gestrichelten Linien wiedergegebenen Grundstellung und der Wirkung von Strömungskräften der Luftströmung 6 und gegen die Wirkung einer Feder 5 in Richtung des Pfeils 4 verschwenkbar ist.
  • Am Strömungskanal 1 ist um einen Drehpunkt 7 verschwenkbar eine Kurvenscheibe 8 gelagert, die mit einer nicht dargestellten Richtung zum Fixieren in unterschiedlichen Schwenkstellungen festgelegt werden kann. An dem in der Figur unteren Ende einer von der Kurvenscheibe 8 gebildeten Kurve 9 ist die Feder 5 befestigt, die als Blattfeder ausgebildet ist. Das andere Ende der Feder 5 ist gelenkig an eine Verbindungsstange 10 oder ein Verbindungsseil mit einem Hebel 11 verbunden, der auf der Schwenkwelle 2 der Klappe 3 sitzt.
  • Mit ausgezogenen Linien ist die entspannte Feder 5 wiedergegeben, die sich dann im wesentlichen orthogonal zum Strömungskanal 1 bzw. zur Strömungsrichtung erstreckt. Mit gestrichelten Linien ist eine Funktionsstellung wiedergegeben, bei der die Kurvenscheibe 8 um einen bestimmten Winkel in Richtung des Pfeils 12 verschwenkt worden ist. Beim Verschwenken rollt die Blattfeder 5 auf der Kurve 9 der Kurvenscheibe 8 ab, wobei ihr an die Verbindungsstange 10 angeschlossenes Ende eine Durchbiegung erfährt. Dabei ändern sich die Federkonstante, die Federvorspannung und die Kraftangriffsrichtung am Hebel 11.
  • Sollen die Eigenschaften des Reglers verändert werden, dann genügt es, die Kurvenscheibe 8 zu lösen und in eine andere Position zu verstellen.

Claims (3)

  1. Volumenstromregler für Klima- und Lüftungsanlagen mit einer in einem Strömungskanal (1) schwenkbaren Klappe (3), deren Schwenkwelle (2) einen Hebelarm (11) aufweist, an dem gelenkig eine Feder (5) angreift, dadurch gekennzeichnet, daß die Feder (5) eine Blattfeder ist, deren eines Ende mit dem Hebel (11) verbunden ist und deren anderes Ende so an einer Kurvenscheibe (8) befestigt ist, daß bei Verstellung der Kurvenscheibe (8) um einen Drehpunkt (7) die Blattfeder (5) von der Kurvenscheibe (8) mitgenommen wird und auf der Kurve (9) abrollt, und daß eine Einrichtung zum Fixieren der Kurvenscheibe (8) vorgesehen ist.
  2. Volumenstromregler nach Anspruch 1, dadurch gekennzeichnet, daß zur Verbindung des Hebels (11) mit dem zugeordneten Ende der Blattfeder (5) eine Verbindungsstange (10) oder ein Verbindunsseil vorgesehen ist.
  3. Volumenstromregler nach Anspruch 1 oder 2, gekennzeichnet durch eine Anordnung derart, daß die entspannte Blattfeder (5) sich im wesentlichen orthogonal zum Strömungskanal (1) erstreckt.
EP19930109736 1992-06-23 1993-06-18 Volumenstromregler für Klima- und Lüftungsanlagen Expired - Lifetime EP0575896B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9208345U DE9208345U1 (de) 1992-06-23 1992-06-23
DE9208345U 1992-06-23

Publications (2)

Publication Number Publication Date
EP0575896A1 EP0575896A1 (de) 1993-12-29
EP0575896B1 true EP0575896B1 (de) 1995-12-27

Family

ID=6880801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930109736 Expired - Lifetime EP0575896B1 (de) 1992-06-23 1993-06-18 Volumenstromregler für Klima- und Lüftungsanlagen

Country Status (10)

Country Link
US (1) US5398728A (de)
EP (1) EP0575896B1 (de)
AT (1) ATE132245T1 (de)
BR (1) BR9302441A (de)
CA (1) CA2098933C (de)
DE (2) DE9208345U1 (de)
DK (1) DK0575896T3 (de)
ES (1) ES2083798T3 (de)
MY (1) MY108794A (de)
TW (1) TW232726B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69632714T2 (de) * 1995-12-21 2005-06-30 Valeo Climate Control Inc., Rochester Hills Schalthebel
DE10014901C2 (de) * 2000-03-17 2002-02-28 Werner Wildeboer Volumenstromregler
US6273141B1 (en) * 2000-06-22 2001-08-14 The Babcock & Wilcox Company Variable resistance device for a high pressure air supply system
US20030210140A1 (en) * 2001-12-06 2003-11-13 Menard Raymond J. Wireless management of portable toilet facilities
FR2947887B1 (fr) * 2009-07-10 2011-07-29 Aldes Aeraulique Conduit de section generale circulaire, equipe d?un dispositif de regulation du debit d?air
US9017156B2 (en) * 2009-10-30 2015-04-28 Mestek, Inc. Air control module
DE102010038150A1 (de) 2010-08-11 2012-02-16 Schako Klima Luft, Ferdinand Schad Kg Volumenstromregler
CN102548336A (zh) * 2010-12-11 2012-07-04 鸿富锦精密工业（深圳）有限公司 导风罩
PT2530396T (pt) 2011-06-01 2017-09-13 Koolair Sa Mecanismo regulador de caudal constante
US10203703B2 (en) 2014-03-04 2019-02-12 Mi Valve, Llc Airflow balancing valve for HVAC systems
EP2940396B1 (de) 2014-04-29 2020-06-03 SCHAKO Klima Luft Ferdinand Schad KG Vorrichtung zum regeln einer durchströmung eines kanals mit einem fluid
SK7733Y1 (sk) 2016-05-13 2017-04-03 Imos-Systemair A S Nastaviteľný regulátor prietoku tekutín, najmä vzduchu vo vzduchotechnických prvkoch
RU192187U1 (ru) * 2019-01-10 2019-09-05 Федеральное государственное казенное военное образовательное учреждение высшего образования "Михайловская военная артиллерийская академия" Министерства обороны Российской Федерации Устройство для саморегулируемой подачи воздуха при применении газодинамического регулятора в системе механической вентиляции

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US2581748A (en) * 1946-01-04 1952-01-08 Bowser Inc Flow control device
NL102970C (de) * 1954-10-19
US4190085A (en) * 1976-06-08 1980-02-26 Halton Oy Gas flow regulating and measuring apparatus
US4098296A (en) * 1976-12-27 1978-07-04 United Technologies Corporation Variable area reed flow restrictor
DE2758352A1 (de) * 1977-12-27 1979-07-05 Emil Siegwart Regler fuer die stroemung eines gasfoermigen mediums in einer leitung
DE3227882A1 (de) * 1982-07-26 1984-01-26 H. Krantz Gmbh & Co, 5100 Aachen Volumenstrom- bzw. druckregler
US4432272A (en) * 1982-11-29 1984-02-21 Ruskin Manufacturing Company Motor operated fire damper
JPS59185934A (ja) * 1983-04-07 1984-10-22 Miyazaki Plast Kk ガス密閉型ダンパ−
US4506829A (en) * 1983-06-24 1985-03-26 Grant Willie T Variable speed damper means
JPS6115443U (ja) * 1984-06-30 1986-01-29 東プレ株式会社 空気調和用定風量装置
CH668829A5 (en) * 1985-12-11 1989-01-31 Sigrist Ag Dr Regulating air conditioning with long delay time constant - compensating for barometric pressure variations with controlled ventilation having reference system delay for max. medicinal benefit
DE3813170A1 (de) * 1988-04-20 1989-11-02 Friedrich Rathgeber Kg Regelte Thermisch steuerbare absperreinrichtung in rohrleitungen fuer gasfoermige stroemungsmedien

Also Published As

Publication number Publication date
BR9302441A (pt) 1994-02-16
US5398728A (en) 1995-03-21
DE59301237D1 (de) 1996-02-08
CA2098933A1 (en) 1993-12-24
DE9208345U1 (de) 1992-11-12
ES2083798T3 (es) 1996-04-16
DK0575896T3 (da) 1996-05-20
ATE132245T1 (de) 1996-01-15
MY108794A (en) 1996-11-30
EP0575896A1 (de) 1993-12-29
TW232726B (de) 1994-10-21
CA2098933C (en) 2003-04-08

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