EP1573253B1 - Vorrichtung zur belüftung eines raumes in abhängigkeit von der gemessenen relativen feuchtigkeit - Google Patents

Vorrichtung zur belüftung eines raumes in abhängigkeit von der gemessenen relativen feuchtigkeit Download PDF

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Publication number
EP1573253B1
EP1573253B1 EP03796168.7A EP03796168A EP1573253B1 EP 1573253 B1 EP1573253 B1 EP 1573253B1 EP 03796168 A EP03796168 A EP 03796168A EP 1573253 B1 EP1573253 B1 EP 1573253B1
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EP
European Patent Office
Prior art keywords
air inlet
moisture
main air
sensor
sensitive sensor
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
EP03796168.7A
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English (en)
French (fr)
Other versions
EP1573253A1 (de
Inventor
Pierre Jardinier
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.)
Conseils Etudes et Recherches en Gestion de lAir CERGA
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Conseils Etudes et Recherches en Gestion de lAir CERGA
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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
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/18—Air-flow control members, e.g. louvres, grilles, flaps or guide plates specially adapted for insertion in flat panels, e.g. in door or window-pane
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F13/08—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
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity

Definitions

  • the present invention relates to a ventilation device adapted to ventilate a room according to the relative humidity measured in the room with a hygrosensitive sensor.
  • the different rooms of a room have varying ventilation needs with respect to each other over time. This need changes mainly according to the type of rooms and occupation. With regard to the technical parts, the ventilation requirement is essentially a function of the emissions of water vapor. With regard to the main rooms, bedrooms and living room, it is the number of people occupying these rooms that determines the level of ventilation required.
  • a ventilation device comprises an air inlet with adjustable passage surface controlled by a sensor.
  • the latter consists of a hygrosensitive tissue that is housed in the room to be ventilated and undergoes physical changes, elongation or retraction, depending on the relative humidity in the room.
  • T Capt T int - K T int - T ext , in which T capt is the temperature read by the sensor, T int is the internal temperature of the room, T ext the outside temperature, and K is the predefined temperature coefficient and generally 0, 15 and 0, 35 in the temperate regions.
  • the present invention aims to solve the aforementioned drawbacks, and for this purpose relates to a ventilation device according to claim 1.
  • the fact of providing a secondary duct independent of the main entrance makes it possible to perfectly control the influence of the external temperature on the hygrosensitive sensor. Indeed, the latter being no longer thermal communication with the main air inlet, the passage area of which varies according to the occupation of the room, but with the secondary duct whose passage surface is independent of that of the main air inlet, the heat exchanges between the outside air and the hygrosensitive sensor are regulated, and it is therefore possible to obtain an even more stable temperature coefficient K irrespective of the flow of air passing through the main entrance.
  • the passage section of the secondary conduit is constant. Consequently, the quantity of air passing through the passage surface of the secondary duct is substantially constant in normal configurations, that is to say when the pressure difference across the duct is of the order some Pascals. It is then possible to set very precisely the temperature coefficient K.
  • the passage surface of the secondary duct is slaved to the outside temperature.
  • This complementary modulation may be useful when the climate is extreme, for example when the outside temperature drops below a predetermined value. Indeed, in this case, the variation of the amount of water in the outside air is relatively small compared to the variation of the temperature. For example, about 2.5 g of water per kg of air at -5 ° C and 1.6 g of water per kg of air at -10 ° C, a difference of only 0.9 g of water per kg of air.
  • the passage section of the secondary duct is less than 10% of the passage section of the main air inlet, and preferably between 2 and 5%.
  • a thermal insulator is positioned between the secondary duct and the hygrosensitive sensor.
  • a thermal insulator is positioned between the secondary duct and the hygrosensitive sensor.
  • it would be relatively difficult to establish adequate heat exchange because any disturbance would very quickly cause a change in the temperature of the hygrosensitive sensor, and therefore the temperature coefficient K. Therefore, the presence of an insulator interlayer thermal allows the use of a secondary conduit with enlarged passage surface since it allows to temper, in a predetermined manner, the influence of the latter on the hygrosensitive sensor.
  • the presence of an insulator prevents the formation of condensation in the hygrosensitive sensor compartment, which could disturb or even damage it in case of direct contact.
  • the main air inlet and the hygrosensitive sensor are respectively housed in separate compartments.
  • the secondary duct can therefore be adjusted to the most varied geometrical conditions.
  • the two compartments are positioned in the extension of one another.
  • the senor is made using a hygrosensible fabric strip attached, on the one hand, to a fixed element of the compartment in which it is housed, and on the other hand, to a lever pivotally mounted around an axis of rotation.
  • this lever is adapted, by pivoting about its axis of rotation, to cause the setting rotation of a crank integral with a rod to which is attached a flap associated with the main air inlet.
  • a ventilation device 1 according to the invention is intended to be fixed inside a room and comprises, on the one hand, a first compartment 2 in which is provided a main air inlet 3 whose passage surface is variable depending on the positioning of a shutter 4 associated with it, and secondly, a second compartment 5 in which is formed a secondary duct 6 can connect the interior of the room with the outside through a secondary air inlet 7 cut in the bottom 8 of compartment 5.
  • These two compartments 2, 5 are arranged in the extension of one another and separated from one another by a partition wall 23. The covers closing each of the two compartments 2, 5 were not represented.
  • the compartment 5 contains a hygrosensitive sensor in the form of a horizontal strip 9 of hygrosensitive tissue, an insulator 10 disposed between the secondary duct 6 and the strip 9, and an actuating system of the flap 4 associated with the main air inlet 3.
  • the secondary duct 6 is delimited by the bottom 8 of the compartment 5, by a lower edge 11 projecting from the bottom 8, by the lower part of the insulator 10, and finally by the inner face of the compartment lid 5 (not shown).
  • the band 9 is attached, on the one hand, to the actuation system of the flap 4, and on the other hand, to an element 13 integral with the compartment 5. More precisely, the actuating system is made from a lever 14 having a first end to which is attached said band 9. Just above this point of attachment, the lever 14 has an axis of rotation 15 whose ends are each housed in a slot 16 of a yoke 17 attached to the compartment 5. Just below the point of attachment between the band 9 and the lever 14, a perforated plate 18 is fixed in the end of the lever 14. A spring 19, maintained stretched horizontally between the plate 18 and a pin 20, allows keep the band 9 on all the time.
  • the lever 14 also has a second jaw-shaped end 21 adapted to cooperate with a crank 22 passing through the partition wall 23 between the two compartments 2, 5. This crank 22 is integral with a horizontal rod 24 to which is attached the part 4.
  • the ventilation device 1 operates in the following manner.
  • the band 9 of hygrosensitive tissue reacts when there is a significant increase or reduction of the relative humidity within the room.
  • the variation of the passage area of the main air inlet 3 is related to the variation of the relative humidity of the room and the temperature in the compartment 5, influenced by the outside temperature.
  • the secondary air inlet 7 has a constant passage area permitting, at all times, a substantially constant quantity of air along the secondary duct 6, this quantity of air modifying first of all the temperature of the air.
  • the strip 9 extends and causes, by cooperation with the spring 19, the pivoting of the lever 14 about its axis of rotation 15 in the direction clockwise. Consequently, the jaw 21 of the lever 14 rises and rotates the crank 22 which, itself, causes the flap 4 to open by actuation on the rod 24.

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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)
  • Ventilation (AREA)
  • Air-Flow Control Members (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Claims (9)

  1. Vorrichtung (1) zur Belüftung, die imstande ist, einen Raum in Abhängigkeit von der relativen Luftfeuchtigkeit zu belüften, die im Raum mithilfe eines feuchtigkeitsempfindlichen Sensors (9) gemessen wird, der in einem Fach (5) untergebracht ist, wobei die besagte Vorrichtung einen Hauptlufteinlass (3) umfasst, der eine modulierbare Durchlassfläche besitzt, die vom feuchtigkeitsempfindlichen Sensor gesteuert wird, einen Sekundärkanal (6) umfassend, der einen Durchlassquerschnitt besitzt, der von jenem des Hauptlufteinlasses unabhängig ist und in thermischer Verbindung mit dem Fach des feuchtigkeitsempfindlichen Sensors steht, dadurch gekennzeichnet, dass sie das Innere des Raumes mit Draußen verbinden kann und dadurch dass sie imstande ist, die Temperatur des besagten feuchtigkeitsempfindlichen Sensors zu ändern.
  2. Vorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Durchlassquerschnitt des Sekundärkanals (6) konstant ist.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Durchlassquerschnitt des Sekundärkanals durch die Außentemperatur geregelt wird.
  4. Vorrichtung nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Durchlassquerschnitt des Sekundärkanals (6) kleiner als 10% des Durchlassquerschnitts des Hauptlufteinlasses (3), und vorzugsweise zwischen 2 und 5% enthalten ist.
  5. Vorrichtung nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass ein thermischer Isolierstoff (10) zwischen dem Sekundärkanal (6) und dem feuchtigkeitsempfindlichen Sensor (9) positioniert ist.
  6. Vorrichtung nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Hauptlufteinlass (3) und der feuchtigkeitsempfindliche Sensor (9) jeweils in unterschiedlichen Fächern (2, 5) untergebracht sind.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die beiden Fächer (2, 5) jeweils aneinander anschließend positioniert sind.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Sensor mithilfe eines Bandes (9) aus einem feuchtigkeitsempfindlichen Gewebe gefertigt ist, das einerseits an einem feststehenden Element (13) des Faches (5) befestigt ist, in dem es untergebracht ist, und andererseits an einem Hebel (14), der um eine Drehachse (15) schwenkbar montiert ist.
  9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der Hebel (14) imstande ist, durch einen Schwenk um seine Drehachse (15) eine Kurbel (22) zum Drehen zu bringen, die fest mit einem Stift (24) verbunden ist, an dem eine Klappe (4) befestigt ist, die dem Hauptlufteinlass (3) zugeordnet ist.
EP03796168.7A 2002-12-16 2003-12-05 Vorrichtung zur belüftung eines raumes in abhängigkeit von der gemessenen relativen feuchtigkeit Expired - Lifetime EP1573253B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0215890A FR2848648B1 (fr) 2002-12-16 2002-12-16 Dispositif de ventilation d'un local en fonction de l'humidite relative relevee
FR0215890 2002-12-16
PCT/FR2003/003597 WO2004063635A1 (fr) 2002-12-16 2003-12-05 Dispositif de ventilation d'un local en fonction de l'humidite relative relevee

Publications (2)

Publication Number Publication Date
EP1573253A1 EP1573253A1 (de) 2005-09-14
EP1573253B1 true EP1573253B1 (de) 2016-08-10

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ID=32338807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03796168.7A Expired - Lifetime EP1573253B1 (de) 2002-12-16 2003-12-05 Vorrichtung zur belüftung eines raumes in abhängigkeit von der gemessenen relativen feuchtigkeit

Country Status (7)

Country Link
EP (1) EP1573253B1 (de)
AU (1) AU2003298420A1 (de)
ES (1) ES2601492T3 (de)
FR (1) FR2848648B1 (de)
HU (1) HUE032021T2 (de)
RU (1) RU2310797C2 (de)
WO (1) WO2004063635A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10352257B4 (de) * 2003-11-08 2006-02-23 Danfoss A/S Taupunktfühler
FR2955920B1 (fr) * 2010-02-02 2012-03-02 Anjos Ventilation Dispositif de commande du degre d'ouverture d'une bouche de ventilation et bouche de ventilation comprenant un tel dispositif
FR2958730B1 (fr) 2010-04-12 2012-06-15 Somfy Sas Entree d'air hygroreglable communicante
EP2418434B1 (de) * 2010-08-12 2013-10-09 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Vorrichtung und Verfahren zur Regelung eines Luftstromes
DE102017005246A1 (de) 2017-06-01 2018-12-06 Gert Bartholomäus Zuluftelement mit feuchtluftgesteuerter Regulierung der Raumluft

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508606A1 (fr) * 1981-06-30 1982-12-31 Serva Soc Procede de regulation de la ventilation d'un local et moyens pour sa mise en oeuvre
FR2589996B2 (fr) * 1981-06-30 1989-05-05 Serva Soc Moyens pour la mise en oeuvre d'un procede de regulation de la ventilation d'un local
FR2708992B1 (fr) * 1993-08-10 1995-11-24 Cerga Procédé et dispositif de réglage de la section d'une entrée d'air de ventilation dans un local.
FR2729461B1 (fr) * 1995-01-17 1997-04-18 Cerga Dispositif de reglage de la section de passage d'une bouche de ventilation d'air d'un local
RU2290569C1 (ru) * 2005-03-22 2006-12-27 Федеральное государственное образовательное учреждение высшего профессионального образования "Азово-Черноморская государственная агроинженерная академия" (ФГОУ ВПО АЧГАА) Вентиляционное устройство

Also Published As

Publication number Publication date
HUE032021T2 (en) 2017-08-28
WO2004063635A1 (fr) 2004-07-29
EP1573253A1 (de) 2005-09-14
AU2003298420A1 (en) 2004-08-10
RU2005116981A (ru) 2006-01-27
FR2848648A1 (fr) 2004-06-18
FR2848648B1 (fr) 2005-12-30
ES2601492T3 (es) 2017-02-15
RU2310797C2 (ru) 2007-11-20

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