EP3191672B1 - Belüftungsfenster und verfahren zur führung von kondenswasser der belüftungsvorrichtung eines belüftungsfenster nach aussen - Google Patents

Belüftungsfenster und verfahren zur führung von kondenswasser der belüftungsvorrichtung eines belüftungsfenster nach aussen Download PDF

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Publication number
EP3191672B1
EP3191672B1 EP15775492.0A EP15775492A EP3191672B1 EP 3191672 B1 EP3191672 B1 EP 3191672B1 EP 15775492 A EP15775492 A EP 15775492A EP 3191672 B1 EP3191672 B1 EP 3191672B1
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EP
European Patent Office
Prior art keywords
ventilation
ventilation window
heat exchanger
condensation water
ventilation device
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.)
Active
Application number
EP15775492.0A
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English (en)
French (fr)
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EP3191672A1 (de
Inventor
Petri HÄNNINEN
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.)
Skaala Ifn Oy
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Skaala Production Oy
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Publication of EP3191672A1 publication Critical patent/EP3191672A1/de
Application granted granted Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B2007/023—Air flow induced by fan

Definitions

  • the invention is related to the field of building and ventilation technology, more specifically to ventilation windows.
  • IFN-Holding AG's European patent application publication EP 2 594 725 A2 describes a window with a ventilation unit.
  • the air inlet openings and outlet openings of the window can be in the horizontal or vertical frame or in the horizontal or vertical sash. Air travels between the inlet openings and outlet openings in air ducts made in the frame or in the sash. In this way, condensation water also travels between the inlet openings and outlet openings in air ducts made in the frame or in the sash.
  • a heat exchanger possibly included in the ventilation window has been placed on the outside of the frame inside the body structure of the building, in a recess made on the outside of the vertical frame.
  • UK patent application published under publication number GB 2 138 124 A discloses a ventilator for incorporation in a window frame or structure surrounding a window frame, which includes heat-exchange surfaces providing for exchange of heat between air extracted from a room and air drawn into the room.
  • the heat exchange system includes an additional outlet for condensation which s liable to drain from the hot pass of the heat exchanger.
  • the objective of the invention is to simplify the removal of the condensation water of a ventilation device integrated into a ventilation window.
  • the ventilation window comprises a) a ventilation device equipped with a heat exchanger, installed inside the frame on the vertical side of the ventilation window, b) an outlet duct which is located after the duct of the heat exchanger in the ventilation device and which forms in the ventilation device a drain connection to the exterior.
  • the outlet duct comprises i) a guide, such as a trough, inclined guide surfaces and/or a funnel, arranged to guide condensation water from the mouth of the duct of the heat exchanger, ii) an outlet tube connected to the guide, and iii) an arrangement for keeping water melted.
  • a guide such as a trough, inclined guide surfaces and/or a funnel
  • the outlet duct runs over the entire distance between the heat exchanger and the mouth of the outlet tube inside the ventilation device and furthermore so that condensation water travels all the time downwards by gravitation and with an air flow.
  • the arrangement of the ventilation window for keeping water melted comprises a trace heating cable, it is possible to keep the condensation water that is formed in the ventilation device melted and the ventilation machine operational also during winter time.
  • the trace heating cable When the trace heating cable is self-adjusting, for example so that its resistance is proportional to the temperature, it is possible to keep trace heating on continuously.
  • Such a ventilation window is care-free to use, and by means of it it is possible to minimise breakages of the ventilation device occurring as a result of freezing due to human factors.
  • the heat exchanger is a counter flow heat exchanger, it is possible to achieve a temperature efficiency of as high as 90%.
  • a ventilation window When in the method for leading the condensation water of a ventilation device of a ventilation window to the exterior a ventilation window according to any one of the preceding claims is used for removing condensation water so that the outlet duct runs over the entire distance between the heat exchanger and the mouth of the outlet tube inside the ventilation device and furthermore so that condensation water runs all the time downwards by gravitation and with an air flow, it is possible to reduce the getting of condensation water to the frame and/or sash structure of the ventilation window and/or to the body structure of the building as well as a moisture and/or mould problem possibly resulting from condensation water.
  • FIG 1 and 2 show a perspective view of a ventilation window 1, to which a ventilation device 50 has been installed.
  • the ventilation window 1 comprises a ventilation device 50 equipped with a heat exchanger 62, installed inside a frame 2 on the vertical side of the ventilation window 1, and an outlet duct 77 which is located after the duct 62B of the heat exchanger 62 in the ventilation device 50 (the structure of the ventilation device 50 is described in more detail in FIG 3 ) and which forms in the ventilation device 50 a drain connection to the exterior U.
  • FIG 3 shows a vertical section of the ventilation machine 50 on the plane of the centre line of the outlet tube.
  • the outlet duct 77 comprises a guide 75, most preferably for example a trough, inclined guide surfaces and/or a funnel, arranged to guide condensation water from the mouth of the duct 62B of the heat exchanger 62, an outlet tube 55 installed to the guide 75, and an arrangement 80, 85 for keeping water melted.
  • the heat exchanger 62 is most preferably a counter flow heat exchanger, but it can also be for example a cross flow heat exchanger or a heat exchanger with a rotating cell.
  • Condensation water forms as water vapour contained in air condenses into a liquid on a surface the temperature of which is lower than the dew point temperature of the air passing by, in other words the temperature at which the absolute humidity contained in air reaches 100% relative humidity.
  • condensation water forms in particular in the exhaust air duct 62B of the heat exchanger 62 in a situation where the temperature of fresh air 20 is sufficiently much lower than the temperature of exhaust air 22, and fresh air 22 cools the lamellas of the heat exchanger 62 at least partially to below the dew point temperature.
  • the outlet duct 77 runs most preferably over the entire distance between the heat exchanger 62 and the mouth 55B of the outlet tube 55 inside the ventilation device 50 and furthermore so that condensation water travels all the time downwards assisted by gravitation with the air flow.
  • the mouth 55B of the outlet tube 55 extends to the exterior to a distance L, most preferably to a distance of 10-30 cm, from the external wall R of the building. It is also possible to connect the outlet tube 55 to the rainwater system or sewer system of the building.
  • the arrangement 80, 85 for keeping water melted comprises a trace heating cable 85, which is most preferably self-adjusting, for example so that its resistance is proportional to the temperature.
  • the trace heating cable 85 has been presented in more detail in the perspective view FIG 4 of the electric system 80.
  • FIG 5 shows a view of the mouth 55B of the outlet tube 55 viewed from the top.
  • the outlet tube 55 goes from the ventilation device 1 to the exterior U through the outlet 54 of waste air 23.
  • the outlet tube 55 is fastened to the outlet 54 most preferably by means of a fastening element 72, which can most preferably be a screw, such as a sharp-tipped plate screw ISO 1481 - ST 3.5x13-C or blunt-tipped -F.
  • a ventilation window 1 In the method for leading the condensation water of a ventilation device 50 of a ventilation window 1 to the exterior U, a ventilation window 1 according to any one of the preceding claims is used for removing condensation water so that the outlet duct 77 runs over the entire distance between the heat exchanger 62 and the mouth 55B of the outlet tube 55 inside the ventilation device 50 and furthermore so that condensation water travels the entire distance downwards with an air flow assisted by gravitation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Claims (8)

  1. Lüftungsfenster (1), umfassend:
    - eine Lüftungsvorrichtung (50), die in einem Rahmen (2) an der vertikalen Seite des Lüftungsfensters (1) installiert ist und die mit einem Wärmetauscher (62) ausgestattet ist;
    - ein Auslasskanal (77), der sich hinter dem Kanal (62B) des Wärmetauschers (62) in der Lüftungsvorrichtung (50) befindet und der in der Lüftungsvorrichtung (50) einen Ablassanschluss an die Außenseite (U) bildet, und dadurch gekennzeichnet, dass:
    der Auslasskanal (77) umfasst:
    i) eine Führung (75), wie etwa einen Trog, gekippte Führungsflächen und/oder einen Trichter, angeordnet, um Kondenswasser von der Öffnung des Kanals (62B) des Wärmetauschers (62) weg zu führen;
    ii) ein Auslassrohr (55), das an der Führung (75) installiert ist; und
    iii) eine Anordnung (80, 85), um das Wasser geschmolzen zu halten;
    und wobei in der Lüftungsvorrichtung (50) der Auslasskanal (77) über den gesamten Abstand zwischen dem Wärmetauscher (62) und der Öffnung (55B) des Auslassrohrs (55) in der Lüftungsvorrichtung (50) fließt und ferner so, dass das Kondenswasser immer durch die Schwerkraft und mit einem Luftstrom nach unten fließt.
  2. Lüftungsfenster (1) nach Anspruch 1, wobei die Anordnung (80, 85) um das Wasser geschmolzen zu halten ein Begleitheizungskabel (85) umfasst.
  3. Lüftungsfenster (1) nach Anspruch 2, wobei das Begleitheizungskabel (85) selbstanpassend ist, vorzugsweise so, dass sich der Widerstand des Begleitheizungskabels (85) proportional zur Temperatur verhält.
  4. Lüftungsfenster (1) nach einem der vorhergehenden Ansprüche, wobei sich die Öffnung (558) des Auslassrohrs (55) bis zu einem Abstand (L) von der Referenzfläche (R) der Außenwand des Gebäudes nach außen erstreckt.
  5. Lüftungsfenster (1) nach einem der Ansprüche 2 bis 4, wobei das Auslassrohr (55) mit dem Regenwassersystem oder Abwassersystem des Gebäudes verbunden ist oder verbunden werden kann.
  6. Lüftungsfenster (1) nach einem der vorhergehenden Ansprüche, wobei der Wärmetauscher (62) ein Gegenstromwärmetauscher ist.
  7. Lüftungsfenster (1) nach einem der Ansprüche 2 bis 6, wobei ein innerer Fensterrahmen und/oder ein äußerer Fensterrahmen vorhanden ist und es möglich ist, diese/diesen durch Drehen oder Kippen nach innen (S) und/oder nach außen (U) zu öffnen.
  8. Verfahren zum Ableiten von Kondenswasser einer Lüftungsvorrichtung (50) eines Lüftungsfensters nach außen (U), wobei bei diesem Verfahren ein Lüftungsfenster (1) nach einem der vorhergehenden Ansprüche verwendet wird, um Kondenswasser abzuleiten, sodass der Auslasskanal (77) über den gesamten Abstand zwischen dem Wärmetauscher (62) und der Öffnung (55B) des Auslassrohrs (55) in der Lüftungsvorrichtung (50) fließt und ferner sodass das Kondenswasser mit dem Luftstrom und durch Schwerkraft unterstützt über den gesamten Abstand nach unten fließt.
EP15775492.0A 2014-09-05 2015-08-24 Belüftungsfenster und verfahren zur führung von kondenswasser der belüftungsvorrichtung eines belüftungsfenster nach aussen Active EP3191672B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145780A FI126024B (fi) 2014-09-05 2014-09-05 Ilmanvaihtoikkuna ja menetelmä ilmanvaihtoikkunan ilmanvaihtolaitteen lauhdeveden johtamiseksi ulkotilaan
PCT/IB2015/056400 WO2016034980A1 (en) 2014-09-05 2015-08-24 Ventilation window and method for leading condensation water of ventilation device of a ventilation window to the exterior

Publications (2)

Publication Number Publication Date
EP3191672A1 EP3191672A1 (de) 2017-07-19
EP3191672B1 true EP3191672B1 (de) 2018-10-10

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Application Number Title Priority Date Filing Date
EP15775492.0A Active EP3191672B1 (de) 2014-09-05 2015-08-24 Belüftungsfenster und verfahren zur führung von kondenswasser der belüftungsvorrichtung eines belüftungsfenster nach aussen

Country Status (3)

Country Link
EP (1) EP3191672B1 (de)
FI (1) FI126024B (de)
WO (1) WO2016034980A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127593B (fi) 2016-03-03 2018-09-28 Skaala Production Oy Ilmanvaihtolaite ja ilmanvaihtoikkuna
EP3214253B1 (de) 2016-03-03 2019-07-10 Skaala IFN Oy Ventilationsvorrichtung für ein fenster
EP3214381A1 (de) 2016-03-03 2017-09-06 Skaala Production Oy Lüftungsvorrichtung und lüftungsverfahren
CN113405195A (zh) * 2021-06-16 2021-09-17 浙江理工大学 一种双侧膜结构全热换热器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138124B (en) * 1983-03-16 1987-09-23 Norcros Investments Ltd Ventilator
WO2011110988A1 (en) * 2010-03-06 2011-09-15 Helmut Koester Air conditioning unit for non ventilated double skin façade elements
AT512198B1 (de) 2011-11-18 2015-11-15 Ifn Holding Ag Fenster

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3191672A1 (de) 2017-07-19
FI126024B (fi) 2016-05-31
FI20145780A (fi) 2016-04-27
WO2016034980A1 (en) 2016-03-10

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