WO1997015790A1 - Systeme de ventilation - Google Patents

Systeme de ventilation Download PDF

Info

Publication number
WO1997015790A1
WO1997015790A1 PCT/GB1996/002535 GB9602535W WO9715790A1 WO 1997015790 A1 WO1997015790 A1 WO 1997015790A1 GB 9602535 W GB9602535 W GB 9602535W WO 9715790 A1 WO9715790 A1 WO 9715790A1
Authority
WO
WIPO (PCT)
Prior art keywords
ventilator
ventilator system
conduit
air
room
Prior art date
Application number
PCT/GB1996/002535
Other languages
English (en)
Inventor
Howard Atkin
Chris Palmer
Original Assignee
Advanced Design & Manufacture 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 Advanced Design & Manufacture Ltd. filed Critical Advanced Design & Manufacture Ltd.
Priority to AU73116/96A priority Critical patent/AU7311696A/en
Publication of WO1997015790A1 publication Critical patent/WO1997015790A1/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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/12—Details or features not otherwise provided for transportable
    • F24F2221/125—Details or features not otherwise provided for transportable mounted on wheels
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Definitions

  • This invention relates to a ventilation system and particularly, but not exclusively, to a ventilation system for use in controlling the humidity in a domestic environment, particularly in bedrooms.
  • the invention also relates to a ventilation system combined with a filtration system and/or a de-humidifier, and to each of these systems separately.
  • asthma is caused by raised humidity levels and has increased due to reduced natural ventilation in domestic houses as explained hereinabove.
  • Known ventilation systems of the type described hereinabove are generally mounted in an external wall of a room in which the climate is to be controlled.
  • a disadvantage of installing a ventilation system in an external wall is that a hole must be created in the wall.
  • a ventilator system comprising: a ventilator; and a conduit; the ventilator being positionable within a room in which the climate is to be controlled, and wherein the ventilator is free standing, the conduits extending from the ventilator and adapted to extend externally out of the room.
  • conduits are adapted to extend out of, for example, a window in the external wall.
  • the conduit is an inlet conduit and an outlet conduit.
  • the inlet and outlet conduits may be separate to one another, or alternatively a single conduit may serve as both an inlet and outlet.
  • the ventilator system further comprises cooling means for reducing the humidity of incoming air.
  • Figure 1 is a schematic representation of a ventilator system according to the present invention as viewed from the side;
  • Figure 2 is a front view of the ventilator system of Figure 1 ;
  • Figure 2a is a schematic representation of a second embodiment of a ventilator system according to the present invention incorporating a cooling device.
  • Figures 3 to 10 are schematic representations of the ventilator system of Figure 1 showing arrangements of the inlet and outlet conduits .
  • a ventilator system according to the present invention is designated generally by the reference numeral 1.
  • the ventilator system 1 comprises one or more fans powered by a motor and positioned in the area designated by the reference numeral 2.
  • the ventilator system further comprises a heat exchanger 3 and a drip tray 4 which collects condensed water. This condensed water is then pumped by a pump 5 and travels up discharge pipe 6 to join outlet conduit 7 and to exit into the external atmosphere. It is also possible to use an electrically heated evaporator which "boils" away condensates. However, this arrangement is likely to use a lot of energy.
  • wick which extends from the drip tray to the outlet and which removes liquid water.
  • the wick may be placed within a tube.
  • the ventilator system 1 serves to provide fresh air from outside the room continually to the interior of the room in which the climate is to be controlled while simultaneously extracting stale moist air from the room.
  • the fresh air may be pre-warmed if necessary.
  • the heat is transferred from the outgoing air via the heat exchanger 3 to the fresh air supply supplied to the room from the outside environment, thus maintaining internal temperatures and providing a fresh environment. Pre-warming of air is particularly important in very cold climates.
  • the ventilator system unit may conveniently be mounted on wheels 8 in order to allow the unit to be easily moved to an appropriate position in the room.
  • the ventilator system could however be mounted on, for example, coasters, or may be merely positioned directly onto the floor.
  • the ventilator system is surrounded by insulator 9 which reduces heat loss, and noise.
  • the ventilator system 1 further comprises a room temperature sensor 20 and a room humidity sensor 21.
  • the sensors 20, 21 control the ventilation rate of the ventilator system 1 , as set out in our co-pending application number 9521634.7 of even date the contents of which are incorporated herein by reference.
  • the ventilator system 1 further comprises a control means 22 in the form of electronic circuits and timers which function in conjunction with the sensors 20, 21 to control the ventilation rate of the ventilator system 1.
  • a motor 23 may be AC or DC and serves to power fans or impellers 24, 25.
  • the impellers each have a prime number of blades but the number of blades on each impeller 24, 25 is different on each in order to ensure low noise.
  • impeller 24 may have 41 blades and impeller 25 has 43 blades.
  • Prime numbers reduce the number of harmonics produced and are less noisy and less disturbing to the human ear. With two impellers having different numbers of blades, the number of harmonics is further reduced and thus the disturbing nature of the noise is also further reduced.
  • the system 1 further comprises a filter 26 for filtering out pollen and other fungal spores which may be in the air taken from the outside.
  • Directional louvres 27 allow the incoming fresh air to be directed as desired.
  • Inlet filter 28 prevents lint blocking the system. Lint comes from clothes, bedding, towels etc. It is present whenever items such as these are used, handled or worn and is in the form of fine airborne strands. The filter 28 should remove course dirt but will allow fine mite droppings to pass through the filter.
  • Detector 29 is a high level cut off detector whilst detector 30 detects the level of liquid in the drip tray 4.
  • the condensate pump or evaporator are switched on at a predetermmed point by a sensor. If either this sensor fails or the pump or evaporator fails, the water level will continue to rise in the drip tray so a second cut off sensor, the high level cut off detector 29 is used.
  • Electronic sensors suitable for use in detector water levels in the drip tray could be, for example, thermistor types, thermocouples, electrical contacts etc.
  • the heat exchanger 3 is in the form of a stretched heat exchanger which results in counter flow of the centre of the heat exchanger which in turn results in maximised heat recovery .
  • the system 1 is insulated by a thermal acoustic lining 32.
  • An auxiliary heater 33 allows the outside air to be heated up when the outside temperature is low and particularly during the night when the outside temperature can be very low.
  • the heat 33 may also be used to reduce the relative humidity of incoming air.
  • Temperature sensor 34 senses the temperature of the outside air controlled operation of the heater 33.
  • the humidity sensor 35 senses the relative humidity of the outside air and can also control the operation of the heater 33.
  • Outlet louvres 36 allow the outgoing air to be directed as desired.
  • the ventilation system disclosed in Figure 2a is designated generally by the reference numeral 100.
  • the system 100 comprises in addition to those parts already described hereinabove with reference to Figure 2, a cooling device 79.
  • the cooling device serves to reduce the humidity of incoming air. This is especially useful in hot tropical countries.
  • the cooling device cools the air to below the dew point and allows water to drain off via drain 80.
  • the cooling device has been shown positioned at 79, but could alternatively be positioned at point 78.
  • the condensate may be removed by means of self regulating heater which causes the condensate to evaporate out through the heat exchanger and so out of the room.
  • the condensate is shown collecting at 81.
  • a conduit 30 extending from the ventilator system 1 is shown hanging out of an open window 31 in order to allow fresh air to enter the ventilator system, and stale air to exit from the system.
  • the inlet and outlet conduits are formed separately, as shown in Figure 4 and are shaped in the form of a hook.
  • the outlet conduit 41 allows condensed air to be removed from the room
  • the inlet conduit 42 includes louvres and a vermin mesh to filter incoming air before it enters the room in which the climate is to be controlled.
  • the two conduits 41, 42 are shown as extending from the ventilator system 1.
  • the ducts may be in the form of a single Siamese duct 70 in which a single conduit serves as both the inlet and the outlet ducts.
  • a Siamese duct 70 will have an inlet portion 80 and an outlet portion 81 as shown in Figure 8.
  • Figure 9 is a schematic representation of a flexible duct extending from the ventilator system 1 and out of a window 31.
  • Figure 10 is a cross sectional schematic representation of the Siamese ducts 70.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)

Abstract

La présente invention concerne un système de ventilation (1) pourvu d'un échangeur de thermique (3) assurant le transfert thermique de l'air de reprise vers l'air de renouvellement insufflé dans un local en provenance de l'extérieur. Ce système de ventilateur autonome peut se monter sur roues (8). En outre, au départ système de ventilation (1), un conduit conçu pour pendre par une fenêtre ouverte (31), permet d'admettre de l'air de renouvellement dans le système de ventilation et d'évacuer du système l'air vicié.
PCT/GB1996/002535 1995-10-21 1996-10-16 Systeme de ventilation WO1997015790A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU73116/96A AU7311696A (en) 1995-10-21 1996-10-16 Ventilation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9521634.7 1995-10-21
GBGB9521634.7A GB9521634D0 (en) 1995-10-21 1995-10-21 Ventilation system

Publications (1)

Publication Number Publication Date
WO1997015790A1 true WO1997015790A1 (fr) 1997-05-01

Family

ID=10782727

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1996/002535 WO1997015790A1 (fr) 1995-10-21 1996-10-16 Systeme de ventilation

Country Status (3)

Country Link
AU (1) AU7311696A (fr)
GB (1) GB9521634D0 (fr)
WO (1) WO1997015790A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1331458A1 (fr) * 2002-01-24 2003-07-30 Süddeutsche Etna-Werk Gmbh Ventilateur et méthode de régulation du ventilateur
CN104807091A (zh) * 2015-02-11 2015-07-29 上海交通大学 一种全热交换新风系统与室内净化耦合的空气净化装置
WO2021196636A1 (fr) * 2020-03-30 2021-10-07 广东美的制冷设备有限公司 Unité intérieure de climatiseur à montage mural et climatiseur
WO2021196635A1 (fr) * 2020-03-30 2021-10-07 广东美的制冷设备有限公司 Module d'air frais et climatiseur associé

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1454629A1 (de) * 1964-06-20 1969-02-06 Queka Dipl Ing Horst O Klimaanlage mit luftgekuehltem Klimageraet
EP0012544A1 (fr) * 1978-12-11 1980-06-25 General Signal Corporation Pompe à anneau liquide
JPS59109731A (ja) * 1982-12-14 1984-06-25 Matsushita Seiko Co Ltd 冷風機の排熱処理装置
WO1987001436A1 (fr) * 1985-08-30 1987-03-12 Dricon Air Pty Limited Organe et procede de climatisation
WO1993014353A1 (fr) * 1992-01-08 1993-07-22 Ebco Manufacturing Company Deshumidificateur portable
DE9318222U1 (de) * 1993-11-29 1994-01-20 Stiebel Eltron Gmbh & Co Kg, 37603 Holzminden Raumklimagerät mit einer Wärmepumpe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1454629A1 (de) * 1964-06-20 1969-02-06 Queka Dipl Ing Horst O Klimaanlage mit luftgekuehltem Klimageraet
EP0012544A1 (fr) * 1978-12-11 1980-06-25 General Signal Corporation Pompe à anneau liquide
JPS59109731A (ja) * 1982-12-14 1984-06-25 Matsushita Seiko Co Ltd 冷風機の排熱処理装置
WO1987001436A1 (fr) * 1985-08-30 1987-03-12 Dricon Air Pty Limited Organe et procede de climatisation
WO1993014353A1 (fr) * 1992-01-08 1993-07-22 Ebco Manufacturing Company Deshumidificateur portable
DE9318222U1 (de) * 1993-11-29 1994-01-20 Stiebel Eltron Gmbh & Co Kg, 37603 Holzminden Raumklimagerät mit einer Wärmepumpe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 227 (M - 332) 18 October 1984 (1984-10-18) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1331458A1 (fr) * 2002-01-24 2003-07-30 Süddeutsche Etna-Werk Gmbh Ventilateur et méthode de régulation du ventilateur
CN104807091A (zh) * 2015-02-11 2015-07-29 上海交通大学 一种全热交换新风系统与室内净化耦合的空气净化装置
CN104807091B (zh) * 2015-02-11 2018-05-04 上海交通大学 一种全热交换新风系统与室内净化耦合的空气净化装置
WO2021196636A1 (fr) * 2020-03-30 2021-10-07 广东美的制冷设备有限公司 Unité intérieure de climatiseur à montage mural et climatiseur
WO2021196635A1 (fr) * 2020-03-30 2021-10-07 广东美的制冷设备有限公司 Module d'air frais et climatiseur associé
US11953227B2 (en) 2020-03-30 2024-04-09 Gd Midea Air-Conditioning Equipment Co., Ltd. Fresh air module and air conditioner

Also Published As

Publication number Publication date
GB9521634D0 (en) 1996-01-03
AU7311696A (en) 1997-05-15

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