WO1999037956A1 - Procede applicable a des systemes et dispositifs de ventilation destines a distribuer l'air a des unites de salles - Google Patents

Procede applicable a des systemes et dispositifs de ventilation destines a distribuer l'air a des unites de salles Download PDF

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Publication number
WO1999037956A1
WO1999037956A1 PCT/SE1999/000004 SE9900004W WO9937956A1 WO 1999037956 A1 WO1999037956 A1 WO 1999037956A1 SE 9900004 W SE9900004 W SE 9900004W WO 9937956 A1 WO9937956 A1 WO 9937956A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
room
conduit
conduits
rooms
Prior art date
Application number
PCT/SE1999/000004
Other languages
English (en)
Swedish (sv)
Inventor
Göran BERNHARDSSON
Original Assignee
Bernhardsson Goeran
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
Application filed by Bernhardsson Goeran filed Critical Bernhardsson Goeran
Priority to EP99901257A priority Critical patent/EP1044346B1/fr
Priority to DE69926338T priority patent/DE69926338T2/de
Priority to JP2000528827A priority patent/JP2002501163A/ja
Priority to CA002317558A priority patent/CA2317558C/fr
Priority to AU20837/99A priority patent/AU2083799A/en
Priority to AT99901257T priority patent/ATE300707T1/de
Publication of WO1999037956A1 publication Critical patent/WO1999037956A1/fr

Links

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.
  • 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.
  • 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.
  • Fig. 1 is a diagrammatic view of a conventional ventilation structure
  • Fig. 2 is a diagrammatic view of a ventilation structure workning according to the invention.
  • 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.

Landscapes

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

Abstract

La présente invention concerne un procédé s'appliquant à des systèmes de ventilation comportant des embranchements de gaines (6) desservant chacune des pièces à ventiler de façon à distribuer l'air dans les pièces avec des débits adaptés à chacune des pièces. L'invention est caractérisée en ce que l'air servi dans les différentes pièces est alimenté par des embranchements de gaines (6) comportant des couvercles flexibles permettant une pose non rectiligne dans un système de solives et dans des murs. L'invention est caractérisée par un raccordement à au moins une centrale de distribution (5) comportant des organes (7) permettant un réglage individualisé du débit d'air aboutissant à chaque embranchement de gaine (6) aboutissant aux buses de soufflage (8), et ce, avec une chute de pression relativement faible par rapport à la perte de charge en gaine (6) imputable à la friction.
PCT/SE1999/000004 1998-01-02 1999-01-04 Procede applicable a des systemes et dispositifs de ventilation destines a distribuer l'air a des unites de salles WO1999037956A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP99901257A EP1044346B1 (fr) 1998-01-02 1999-01-04 Procede applicable a des systemes et dispositifs de ventilation destines a distribuer l'air a des unites de salles
DE69926338T DE69926338T2 (de) 1998-01-02 1999-01-04 Verfahren und vorrichtung zur luftverteilung in räumen
JP2000528827A JP2002501163A (ja) 1998-01-02 1999-01-04 換気システムにおける方法と室への空気分配設備
CA002317558A CA2317558C (fr) 1998-01-02 1999-01-04 Procede applicable a des systemes et dispositifs de ventilation destines a distribuer l'air a des unites de salles
AU20837/99A AU2083799A (en) 1998-01-02 1999-01-04 Method at ventilation systems and arrangement for distributing air to room units
AT99901257T ATE300707T1 (de) 1998-01-02 1999-01-04 Verfahren und vorrichtung zur luftverteilung in räumen

Applications Claiming Priority (2)

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
SE9800003-7 1998-01-02

Publications (1)

Publication Number Publication Date
WO1999037956A1 true WO1999037956A1 (fr) 1999-07-29

Family

ID=20409795

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1999/000004 WO1999037956A1 (fr) 1998-01-02 1999-01-04 Procede applicable a des systemes et dispositifs de ventilation destines a distribuer l'air a des unites de salles

Country Status (10)

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

Cited By (4)

* 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 (fr) * 2009-08-20 2011-03-16 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Méthode et système de ventilation pour bâtiments
EP2568228A3 (fr) * 2011-09-06 2018-03-21 Schako Klima Luft Ferdinand Schad KG Procédé de réglage de l'aération de pièces

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011110359U1 (de) 2011-01-21 2014-02-19 Stiebel Eltron Gmbh & Co. Kg Luftverteilungssystem
EP2479508B1 (fr) 2011-01-21 2016-10-12 STIEBEL ELTRON GmbH & Co. KG Système de répartition de l'air
DE202011110533U1 (de) 2011-01-21 2014-07-23 Stiebel Eltron Gmbh & Co. Kg Luftverteilungssystem
IT201900020868A1 (it) * 2019-11-12 2021-05-12 Rosso Officine S R L Sistema di estrazione forzata dei fumi in caso di incendio

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604296A1 (de) * 1965-04-22 1970-09-17 Schwarz Walter Lueftungsanlage
EP0184887A1 (fr) * 1984-11-30 1986-06-18 Salland Koster B.V. Dispositif de ventilation pour bâtiments, en particulier pour appartements conçus sans courants d'air
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604296A1 (de) * 1965-04-22 1970-09-17 Schwarz Walter Lueftungsanlage
EP0184887A1 (fr) * 1984-11-30 1986-06-18 Salland Koster B.V. Dispositif de ventilation pour bâtiments, en particulier pour appartements conçus sans courants d'air
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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ANDERS SVENSSON, STIFAB AB, "Dags for en mer Flexibel Ventilationsteknik", 1990, ENERGIE & MILJO, pages 38-41. *
PATENT ABSTRACTS OF JAPAN; & JP 6272896 A (MATSUSHITA SEIKO CO LTD9 27 Sept. 1994. *
PATENT ABSTRACTS OF JAPAN; & JP 8210690 A (MITSUBISHI ELECTRIC COTP) 20 August 1996. *

Cited By (6)

* 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.
NL1036988C2 (nl) * 2008-05-21 2010-11-24 Renson Ventilation N V Centraal ventilatiesysteem.
EP2295880A1 (fr) * 2009-08-20 2011-03-16 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Méthode et système de ventilation pour bâtiments
WO2011021929A3 (fr) * 2009-08-20 2013-02-28 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Procédé et système de ventilation d'un bâtiment
EP2568228A3 (fr) * 2011-09-06 2018-03-21 Schako Klima Luft Ferdinand Schad KG Procédé de réglage de l'aération de pièces

Also Published As

Publication number Publication date
ATE300707T1 (de) 2005-08-15
DE69926338D1 (de) 2005-09-01
CA2317558A1 (fr) 1999-07-29
EP1044346A1 (fr) 2000-10-18
AU2083799A (en) 1999-08-09
SE9800003D0 (sv) 1998-01-02
ES2247778T3 (es) 2006-03-01
EP1044346B1 (fr) 2005-07-27
DK1044346T3 (da) 2005-11-21
DE69926338T2 (de) 2006-06-01
JP2002501163A (ja) 2002-01-15
CA2317558C (fr) 2008-04-15

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