EP1044346B1 - Verfahren und vorrichtung zur luftverteilung in räumen - Google Patents

Verfahren und vorrichtung zur luftverteilung in räumen Download PDF

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Publication number
EP1044346B1
EP1044346B1 EP99901257A EP99901257A EP1044346B1 EP 1044346 B1 EP1044346 B1 EP 1044346B1 EP 99901257 A EP99901257 A EP 99901257A EP 99901257 A EP99901257 A EP 99901257A EP 1044346 B1 EP1044346 B1 EP 1044346B1
Authority
EP
European Patent Office
Prior art keywords
air
room
flow
ventilation system
conduit
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
EP99901257A
Other languages
English (en)
French (fr)
Other versions
EP1044346A1 (de
Inventor
Göran BERNHARDSSON
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.)
PLUGGIT INTERNATIONAL NV
Original Assignee
Pluggit Int Nv
Pluggit International NV
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Publication date
Application filed by Pluggit Int Nv, Pluggit International NV filed Critical Pluggit Int Nv
Publication of EP1044346A1 publication Critical patent/EP1044346A1/de
Application granted granted Critical
Publication of EP1044346B1 publication Critical patent/EP1044346B1/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
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • 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
    • F24F11/0001—Control or safety arrangements for ventilation

Definitions

  • the present invention relates to a method in ventilation systems and to an arrangement for distributing air to room units. Such a method and arrangement is known by EP-A-184 887.
  • the air is distributed to each room by branch conduits connected to one or serveral main conduits.
  • the flow of air to each room is adjusted by individual settings of the inflow means of the rooms.
  • the inflow means in rooms close to the input of the main conduit have to be throttled pretty hard to stop these rooms from having a too big flow of air compared to rooms situated further down the main conduit. Such a throttling will often cause a disturbing noise.
  • the main object of the present invention is to easily create possibilities for an simple installation of a venting system having a prearranged basic setting of the necessary air flow to each room unit.
  • Another object of the invention is to disclose a method for calculating the whole ventilation system regarding needed or desired air change for each room unit included in the system.
  • Yet another object of the present invention is to disclose a method using a computerized calculating program with a simulating capacity in connection to the dimensioning of venting system in which priority can be done for perfect ventilation in certain room units and for different loads and during different conditions.
  • Another object of the present invention is to obtain a ventilation system which is easy to install alsor for non-skilled workers.
  • Yet another object of the present invention is to obtain a venting technique in which flow meters are arranged in each flow channel to each room unit and where flow measure data from the flow meters are collected in a central microprocessorized control unit, which, regarding to the changes in some or any of the flow amounts in the flow channels, will calculate which changes in the settings of the throttle means in all of the flow channels will give the best achievable ventilation regarding priority and comfort.
  • Another object with the present invention is obtain a ventilating technique being used both with an over pressure in the inflow means and with a self-draught in the outflow means, wherein an automatic throttling of the flow in the outflow means will take place by an increasing chimney action, which throttling occcurs by inserting a heat exchanger element in the outflow channel(s).
  • the numbers of branch conduits is also known as well as the length of each separate branch conduit included in the system which means that the pessure drop in each branch conduit is calculated from the necessary flow to each room unit.
  • throttle means By having the possibility to gradually throttle the flows at the distributing central at each floor by using throttle means, a complete solution regarding the numbers of branch conduits to each room, in view of the length of each branch conduit, will e.g. state as follows: "1,8 branch conduits to the bath-/washing room unit on the second floor", which means that one fully open branch conduit + a 20 % throttled branch conduit shall be used for this room unit.
  • the air is distributed to the different rooms by branch conduits connected to a distributing central.
  • the ventilation system accordning to the present invention includes inflow means with insignificant pressure drop compared to the pressure drop in the branch conduit, i.e. the resistance of the channel.
  • the distributing centrals according to the invention have been provided with adjustable throttling means in each connection for branch conduits, which, when knowing the pressure drop characteristics of the throttling means and the length of the branch conduit, will, from the very beginning, allow a final adjustment/setting of the air flow to each room. This adjustment is calculated in advance.
  • the ventilation system according to the invention can be adjusted and balanced without any measuring of the air flow or pressure drops in the system.
  • a blower means or a distributing central 1 a main conduit 2 and branch conduits 3a, 3b, 3c and 3d together with inflow means 4a, 4b, 4c and 4d are shown.
  • Most of the pressure drop is normally in the inflow means, which very easily will cause a disturbing noise.
  • the adjusting of the air distribution has to be done by checking all the inflow means and performing measures of pressur drops and air flows repeadetly to have a well balanced plant.
  • blower means or a distributing central 5 with branch conduits 6a, 6b, 6c, 6d and 6e together with throttle means 7a, 7b, 7c, 7d and 7e as well.
  • inflow means 8a, 8b, 8c, 8d och 8e At this plant the pressure from the distributing central 5 is essentially constant. The desired air flow can be adjusted for each rooom with knowledge of the flow-/pressure drop characteristics of the branch conduits 6 and of the corresponding characteristics of the throttling means 7. The pressure drop in the non-adjustable inflow means 8 is insignificant. All of the adjustments can be performed at one position and without any measurings.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Duct Arrangements (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Motor Or Generator Cooling System (AREA)

Claims (9)

  1. Verfahren in einem Ventilationssystem mit getrennten Verteilungskanälen (6) zu jedem zu belüftenden Raum für eine Verteilung der Luft zu den Räumen in Durchflüssen, welche entsprechend an jeden Raum durch ein oder mehrere Luftverteilungsstellen mit Mitteln, welche zur individuellen Justage des Durchflusses der Luft, an jeden einzelnen Verteilungskanal angepasst sind,
    dadurch gekennzeichnet, dass die Luft zu jedem der einzelnen Räume durch Verteilungskanäle mit einer flexiblen Hülle geleitet wird, welche eine nicht geradlinige Verlegung in einem System von Balken und Wänden ermöglicht und durch Einlassmittel (8) mit einem im Vergleich zum inhärenten Druckabfall aufgrund von Reibungsverlusten in den Kanälen (6) geringen Druckabfall in die Räume einströmt, womit die individuelle Justage des Flusses der Luft durch Drosselmittel ausführbar ist.
  2. Verfahren nach Anspruch 1,
    dadurch gekennzeichnet, dass die Versteilungsstelle(n) (5) justierbare Mittel (7) in Verbindung mit dem separaten Verteilungskanal (6) aufweisen, wobei im justierbaren Mittel (7) in Verbindung mit der Installation des Ventilationssystems eine Grundeinstellung vorgegeben ist und wobei die Grundeinstellung unter der Zuhilfenahme eines Berechnungsprogramms berechnet ist.
  3. Verfahren nach Anspruch 2,
    dadurch gekennzeichnet, dass die Einstellungen des justierbaren Mittels (7) über eine zentrale Steuereinheit mit einem Mikroprozessor und einer Software aktiviert sind, welche für das vorliegende Ventilationssystem mit den geringen Anforderungen und Notwendigkeiten betreffend die Lüfterleistung, die Länge der Kanäle und der Bedarf der Ventilation der verschiedenen Räume eindeutig zuordenbar sind.
  4. Ventilationssystem mit getrennten Verteilungskanälen zu jedem zu belüftenden Raum für eine Verteilung der Luft zu den Räumen in Durchflüssen, welche entsprechend an jeden Raum angepasst sind, wobei die Verteilungskanäle mit einem oder mehreren Luftverteilungsstellen mit Mitteln, welche für die individuelle Justage des Flusses der Luft zu jedem einzelnen Verteilungskanal anwendbar sind, verbunden sind,
    dadurch gekennzeichnet, dass die Verteilungskanäle eine flexible Hülle aufweisen, welche eine nicht geradlinige Verlegung in einem System von Balken und Wänden ermöglicht und dass Einlassmittel, durch die die Luft in die einzelnen Räume eintritt einen Druckabfall aufweisen, welcher im Vergleich zum inhärenten Druckabfall in den Kanälen aufgrund von Reibungsverlusten gering ist, und dass das Mittel für die Verwendung der individuellen Justage des Durchflusses der Luft ein Drosselmittel umfasst.
  5. Ventilationssystem nach Anspruch 4,
    dadurch gekennzeichnet, dass Durchflussmesser in jedem Luftstromkanal in das Ventilationssystem angeordnet sind, wobei eine zentrale mikroprozessorgestützte Steuereinheit Signale von den Durchflussmessern empfängt, welche den vorliegenden Durchfluss in jedem Verteilungskanal anzeigt, wobei eine Veränderung in den Einstellungen des justierbaren Mittels (7) dann stattfindet, wenn dies aus Sicht des Komforts oder der Notwendigkeit gefordert ist.
  6. Ventilationssystem nach Anspruch 5,
    dadurch gekennzeichnet, dass Wärmeaustauschmittel in den Absaugmitteln in jedem Raum und den daran angeschlossenen Ausströmkanälen angeordnet sind, um die Wärmeenergie in der ausströmenden Luft aufzunehmen.
  7. Ventilationssystem nach Anspruch 6,
    dadurch gekennzeichnet, dass das Wärmeaustauschmittel ebenfalls als Verdunstungsmittel in einem Luftentfeuchter verwendbar ist, und dass der Raum als Trockenraum für Waschgut verwendbar ist.
  8. Ventilationssystem nach Anspruch 4,
    dadurch gekennzeichnet, dass die Verteilungsstelle (A, B) für die Verfahren nach einem der Ansprüche 1 - 3 angepasst ist und weiterhin ein äußeres Verbindungsgehäuse aufweist, wobei dieses vorzugsweise ein Kunststoffmaterial mit verschiedenen Anschlussstücken für die Verteilungskanäle umfasst, und wobei justierbare Mittel (7) für die Durchflusskontrolle an jedem Anschlussstück angeordnet sind.
  9. Ventilationssystem nach Anspruch 8,
    dadurch gekennzeichnet, dass eine mikroprozessorgestützte Steuereinheit Signale von einem Durchflussmesser in jedem Verteilungskanal empfängt und gemäß einem festgelegten Programm das justierbare Mittel (7) aktiviert und die geforderte Ventilation in den Räumen so weit wie möglich wiederherstellt.
EP99901257A 1998-01-02 1999-01-04 Verfahren und vorrichtung zur luftverteilung in räumen Expired - Lifetime EP1044346B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9800003A SE9800003D0 (sv) 1998-01-02 1998-01-02 Förfarande för beräkning och dimensionering av ventilationssystem samt anordning för fördelning av luft till rumsenheter
SE9800003 1998-01-02
PCT/SE1999/000004 WO1999037956A1 (en) 1998-01-02 1999-01-04 Method at ventilation systems and arrangement for distributing air to room units

Publications (2)

Publication Number Publication Date
EP1044346A1 EP1044346A1 (de) 2000-10-18
EP1044346B1 true EP1044346B1 (de) 2005-07-27

Family

ID=20409795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99901257A Expired - Lifetime EP1044346B1 (de) 1998-01-02 1999-01-04 Verfahren und vorrichtung zur luftverteilung in räumen

Country Status (10)

Country Link
EP (1) EP1044346B1 (de)
JP (1) JP2002501163A (de)
AT (1) ATE300707T1 (de)
AU (1) AU2083799A (de)
CA (1) CA2317558C (de)
DE (1) DE69926338T2 (de)
DK (1) DK1044346T3 (de)
ES (1) ES2247778T3 (de)
SE (1) SE9800003D0 (de)
WO (1) WO1999037956A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1033689C2 (nl) * 2007-04-16 2008-12-16 Stork J E Ventilatoren Bv Werkwijze en installatie voor het ventileren van een aantal ruimten in een gebouw.
BE1018155A5 (nl) * 2008-05-21 2010-06-01 Renson Ventilation Nv Centraal ventilatiesysteem.
EP2295880A1 (de) * 2009-08-20 2011-03-16 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Verfahren und Anlage zur Beluftung des Gebäudes
DE202011110533U1 (de) 2011-01-21 2014-07-23 Stiebel Eltron Gmbh & Co. Kg Luftverteilungssystem
EP2479508B1 (de) 2011-01-21 2016-10-12 STIEBEL ELTRON GmbH & Co. KG Luftverteilungssystem
DE202011110359U1 (de) 2011-01-21 2014-02-19 Stiebel Eltron Gmbh & Co. Kg Luftverteilungssystem
DE102011053300A1 (de) * 2011-09-06 2013-03-07 Schako Klima Luft, Ferdinand Schad Kg Verfahren zum Regeln der Belüftung von Räumen
IT201900020868A1 (it) * 2019-11-12 2021-05-12 Rosso Officine S R L Sistema di estrazione forzata dei fumi in caso di incendio

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT259822B (de) * 1965-04-22 1968-02-12 Schwarz Walter Lüftungsanlage
NL8403660A (nl) * 1984-11-30 1986-06-16 Salland Koster B V Luchtverversingsinrichting voor gebouwen, in het bijzonder tochtvrij gemaakte gebouwen.
FI92526B (fi) * 1991-10-09 1994-08-15 Vilho Ensio Mulari Ilmanvaihtojärjestelmä sisältäen menetelmän ja laitteen
US5769315A (en) * 1997-07-08 1998-06-23 Johnson Service Co. Pressure dependent variable air volume control strategy

Also Published As

Publication number Publication date
JP2002501163A (ja) 2002-01-15
ES2247778T3 (es) 2006-03-01
DE69926338T2 (de) 2006-06-01
SE9800003D0 (sv) 1998-01-02
CA2317558C (en) 2008-04-15
AU2083799A (en) 1999-08-09
EP1044346A1 (de) 2000-10-18
DE69926338D1 (de) 2005-09-01
ATE300707T1 (de) 2005-08-15
WO1999037956A1 (en) 1999-07-29
CA2317558A1 (en) 1999-07-29
DK1044346T3 (da) 2005-11-21

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