EP1531307A2 - Dispositif de ventilation - Google Patents

Dispositif de ventilation Download PDF

Info

Publication number
EP1531307A2
EP1531307A2 EP04256977A EP04256977A EP1531307A2 EP 1531307 A2 EP1531307 A2 EP 1531307A2 EP 04256977 A EP04256977 A EP 04256977A EP 04256977 A EP04256977 A EP 04256977A EP 1531307 A2 EP1531307 A2 EP 1531307A2
Authority
EP
European Patent Office
Prior art keywords
aperture
closure
drive
ventilation device
closure parts
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.)
Granted
Application number
EP04256977A
Other languages
German (de)
English (en)
Other versions
EP1531307A3 (fr
EP1531307B1 (fr
Inventor
Brian Blackburn
Geoffrey Matthews
Andrew Hamshere
Joseph Stone
Oliver Bishop.
Andrew Forges
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.)
Airflow Developments Ltd
Original Assignee
Airflow Developments Ltd
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 Airflow Developments Ltd filed Critical Airflow Developments Ltd
Priority to PL04256977T priority Critical patent/PL1531307T3/pl
Publication of EP1531307A2 publication Critical patent/EP1531307A2/fr
Publication of EP1531307A3 publication Critical patent/EP1531307A3/fr
Application granted granted Critical
Publication of EP1531307B1 publication Critical patent/EP1531307B1/fr
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
    • 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
    • F24F11/76—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 by means responsive to temperature, e.g. bimetal springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
    • 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
    • F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
    • 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
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F2013/144—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 with thermoactuators

Definitions

  • the present invention relates to a ventilation device.
  • Ventilation devices are very widely known for ventilating rooms such as domestic spaces, works spaces, hospitals, storage areas etc.
  • the ventilation device comprises a fan or other device for extracting air from the space or directing air into it.
  • the ventilation device is required to close the ventilation device so that unwanted air movement through the device is prevented.
  • GB2227550 in the name GEC - XPELAIR LIMITED discloses a shutter mechanism for a ventilation fan.
  • the shutter mechanism comprises a number of blades forming a louvre shutter.
  • an iris shutter is disclosed, which has an open position in which air can pass through the shutter and a closed position in which air does not pass through the shutter.
  • the iris mechanism Whilst louvre mechanisms are very widely used, the present inventors have realised that the iris mechanism may be preferable for aesthetic reasons.
  • the iris mechanism disclosed in the document GB2227550 has the disadvantage that it is relatively bulky and, in the open position, does not provide a very large free flow area, the blades of the iris mechanism partly obscuring the opening.
  • an iris type mechanism can be provided which completely opens the aperture in the open position, without any obstructing features remaining in the aperture.
  • the blades of the iris mechanism must be pivoted at the outer periphery so that they rotate outwardly from the aperture.
  • the present invention provides a ventilation device having a ventilation device, having:
  • the present invention provides a ventilation device, having:
  • the present invention provide a ventilation device having:
  • the term "Iris mechanism" is widely used for a type of closure like the iris on a camera in which a plurality of planar members arranged in a mutually overlapping configuration can, by relative rotation, slide over one another to increase or decrease the size of a space between them.
  • a mechanism can be used in the second or third aspects of the present invention, it is particularly preferred if the closure parts do not slide over one another. This particularly advantageous in a ventilation device, because it is frequently the case that air withdrawn from a space contains a certain amount of dust of grease which inevitably settles on the surfaces in the ventilation device. If the closure parts slide over one another, there is a problem that they will become jammed by dirt.
  • the closure parts each comprise closure surfaces having edges, the edges abutting one another in the closed position. In this way, opening is achieved by simply moving the closure parts away from one another so that they do not slide over one another.
  • the closure parts can have any suitable shape. Preferably, they rotate about axes which are substantially normal to the plane of the aperture. Preferably, they are geometrically the same. This simplifies construction and gives an enhanced aesthetic appearance.
  • the edges which abut one another, if present, may each be straight or they may be curved.
  • the closure surfaces may be substantially flat or they may each comprise a sector of a curved surface. Preferably, the degree of curvature is relatively small, to simplify the design of space into which the closure parts move in the open position.
  • each closure part preferably comprises a drive part, the drive part being engageable with a drive member.
  • the drive member may comprise a single drive member engaging all the drive parts of all the closure parts or a separate drive member may be provided for each closure member.
  • the drive part is located on the closure part relatively close to the pivot.
  • the degree of movement of the drive part required in order to move the closure part from the closed position to the open position may be relatively small.
  • modem drive devices such as wax actuators, which are described below.
  • the distance between the pivot and the drive part is less than half and preferably less than a quarter of the maximum extent of the closure part from the pivot.
  • each closure member is located on the same side of the closure part.
  • they are both located on the side of the closure part which faces away from the face which faces into the room. This means that the depth of the ventilation device from the face which faces into the room need not be very great, which is an advantage in the design of ventilation devices, particularly for aesthetic reasons.
  • the drive member comprises at least a part of an annular member which is slidably mounted in an annular track. This annular member can be driven through the required angular distance in order to open the closure members.
  • a single drive member structure can therefore be provided for transferring drive from just one source of motive power to all of the closure parts in a particularly simple way.
  • the drive member itself may be driven by any suitable means, for example an electric motor operating via a cog, rack and pinion, reduction gear or any known mechanism.
  • the drive member is operated by a wax actuator.
  • Wax actuators are well known in this art and can provide a drive with a relatively short stroke which is highly suitable for operating the present invention.
  • the wax actuator is, in use, supplied with heat by an electrical current which is switched on automatically when the fan is switched on. In this way, a particularly simple mechanism is provided for coordinating the opening of the aperture with the operation of a ventilation fan.
  • Closure drive means may be provided for driving the closure parts from the open to the closed position.
  • the closure drive means may be the same as the drive means for moving the closure parts from the closed position to the open position.
  • resilient means for example a coil spring, may be provided for returning the closure parts to the closed position after the drive means which opened the closure parts has ceased to operate.
  • the fan means is provided for withdrawing air from a room or directing air into the room. Any conventional fan means or impeller may be used.
  • the ventilation device may comprise any conventional pieces of equipment.
  • a switch may be provided for operating the drive means. In a preferred embodiment, as described above, the switch allows the drive device to operate to open the closure parts. When the switch is switched off, the drive device ceases to operate and resilient means returns the closure parts to the closed position.
  • the switch means may further comprise switching means for switching on or off the fan means, the fan means being switched on when the closure parts are opened and switched off when the closure parts are closed.
  • the switch may form part of a control module of a type known in the art.
  • the control module may operate in response to external temperature, humidity, in response to a passive infra red sensor or in accordance with a timing schedule.
  • Manually operable switches may be provided, for example a pull cord, switch or remote control.
  • the closure parts are automatically closed.
  • the ventilation device may be manufactured to any suitable size, depending upon the air flow volume required. The skilled person will be able to determine the size of the aperture and the power of fan means required in order to achieve a desired airflow rate.
  • the ventilation device may be constructed of any suitable material as is known in the art.
  • the closure parts may be composed of metal or synthetic material, for example thermoplastic.
  • Figure 1 shows a sketch isometric view of a ventilation device according to the first, second and third aspects of the present invention. It comprises a face plate 2, for facing into a room, the face plate defining a generally circular aperture 3. The face plate further includes a sensor 4. The aperture 3 is shown partly closed by three closure parts 5.
  • Figure 2 shows the ventilation device 1 from the rear.
  • a base plate 7 can be seen.
  • the impeller fan 6 is mounted in an annular space surrounded by the base plate 7.
  • FIG 3 shows the appearance of the ventilation device 1 with the cover plate 2 removed.
  • a drive support 8 can be seen in the form of an annular structure.
  • the three closure parts 5 are shown. Each is pivoted at a pivot 9 which is located near the periphery of the aperture 3 but not actually visible through the aperture 3. Further, each closure part 5 comprises a drive part in the form of a notch 10 which engages a drive post 11 which is itself mounted on an annular drive member 12 mounted in an annular track on the drive support 8.
  • Figure 4 is a sketch view with the drive support 8 removed. However, the drive member 12 and two of the closure parts 5 are shown in position, so that the operation can be understood.
  • a wax actuator 13 of conventional design is provided.
  • An actuator rod 14 is pushed in the direction of the top left hand corner of the page, seen looking into figure 4, when the wax actuator is switched on. This causes a push part 15 to act on the drive means 12, forcing it to rotate in an anti clockwise direction.
  • a coil spring 16 is shown also acting on the push part 15.
  • the coil spring is designed so that, when the wax actuator is switched off, and the actuator rod 14 moves in the direction of the bottom right hand corner, the spring returns the drive member 12 to its original position, by rotating it in a clockwise direction.
  • the drive member 12 then closes the closure parts by rotating the closure parts 5 in a clockwise direction.
  • Figure 5 is a rear view showing the ventilation device with some parts removed. It shows a further detail of the wax actuator 13 and the push part 15. It can be seen that the push part 15 is rotatable about an axis so that when the actuator rod 14 extends, a stub of the push part moves in the opposite direction to the actuator rod thereby tensioning the coil spring 16. The other end of the push part 15 drives a part of the drive means 12 so that it rotates. As figure 5 is seen from the opposite side to Figure 4, in the view of figure 5, the drive means 12 is rotated in a clockwise direction to open the closure parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air-Flow Control Members (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP04256977.2A 2003-11-11 2004-11-10 Dispositif de ventilation Expired - Lifetime EP1531307B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04256977T PL1531307T3 (pl) 2003-11-11 2004-11-10 Urządzenie wentylacyjne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0326254 2003-11-11
GB0326254A GB2408095B (en) 2003-11-11 2003-11-11 Ventilation device

Publications (3)

Publication Number Publication Date
EP1531307A2 true EP1531307A2 (fr) 2005-05-18
EP1531307A3 EP1531307A3 (fr) 2009-07-22
EP1531307B1 EP1531307B1 (fr) 2018-03-21

Family

ID=29726314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04256977.2A Expired - Lifetime EP1531307B1 (fr) 2003-11-11 2004-11-10 Dispositif de ventilation

Country Status (4)

Country Link
EP (1) EP1531307B1 (fr)
ES (1) ES2671699T3 (fr)
GB (1) GB2408095B (fr)
PL (1) PL1531307T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2894415A1 (fr) * 2014-01-08 2015-07-15 Samsung Electronics Co., Ltd Appareil d'ouverture et de fermeture d'orifice de décharge et climatiseur comportant celui-ci
CN108266850A (zh) * 2018-01-19 2018-07-10 深圳宏峰建设有限公司 一种用于楼房建筑的智能通风装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114110992B (zh) * 2021-09-22 2024-05-31 珠海格力电器股份有限公司 一种用于空调器扫风运动机构的控制方法、空调器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB965744A (en) 1959-07-28 1964-08-06 Colchester Woods Improvements in and relating to ventilating fans
GB2227550A (en) 1988-10-21 1990-08-01 Gec Xpelair Ltd Valves
EP0560612A1 (fr) 1992-03-12 1993-09-15 Hunter International Plc Soupape de retenue pour une soufflante de ventilation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649272A (en) * 1950-03-31 1953-08-18 Robert C Barbato Iris type valve construction
GB895367A (en) * 1960-06-22 1962-05-02 Sydney Thomas Hosken Improvements in ventilating apparatus
DE1183324B (de) * 1960-12-21 1964-12-10 Krupp Ardelt Gmbh Verschluss fuer Behaelter zur Aufnahme radioaktiv verseuchter Koerper
FR1581792A (fr) * 1968-08-07 1969-09-19
GB2272970B (en) * 1992-11-25 1996-09-25 Gilberts Ventilation apparatus
GB2273152B (en) * 1992-11-25 1996-09-25 Gilberts Ventilation apparatus
SE9400111L (sv) * 1994-01-18 1995-07-19 Reton Ventilation Ab Väggventil
FI980564A7 (fi) * 1998-03-13 1999-09-14 Flaekt Oy Virtausputken määränsäätöelin
BE1012629A3 (nl) * 1999-04-23 2001-01-09 Stuvex Internat N V Inrichting voor het afsluiten van leidingen.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB965744A (en) 1959-07-28 1964-08-06 Colchester Woods Improvements in and relating to ventilating fans
GB2227550A (en) 1988-10-21 1990-08-01 Gec Xpelair Ltd Valves
EP0560612A1 (fr) 1992-03-12 1993-09-15 Hunter International Plc Soupape de retenue pour une soufflante de ventilation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2894415A1 (fr) * 2014-01-08 2015-07-15 Samsung Electronics Co., Ltd Appareil d'ouverture et de fermeture d'orifice de décharge et climatiseur comportant celui-ci
US9903608B2 (en) 2014-01-08 2018-02-27 Samsung Electronics Co., Ltd. Apparatus for opening and closing discharge port and air conditioner having the same
CN108266850A (zh) * 2018-01-19 2018-07-10 深圳宏峰建设有限公司 一种用于楼房建筑的智能通风装置

Also Published As

Publication number Publication date
EP1531307A3 (fr) 2009-07-22
GB0326254D0 (en) 2003-12-17
GB2408095A (en) 2005-05-18
PL1531307T3 (pl) 2018-10-31
EP1531307B1 (fr) 2018-03-21
GB2408095B (en) 2007-11-14
ES2671699T3 (es) 2018-06-08

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