WO2021058760A1 - Dispositif de ventilation pour parois et/ou coins dans des zones intérieures, et procédé de ventilation - Google Patents

Dispositif de ventilation pour parois et/ou coins dans des zones intérieures, et procédé de ventilation Download PDF

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Publication number
WO2021058760A1
WO2021058760A1 PCT/EP2020/076944 EP2020076944W WO2021058760A1 WO 2021058760 A1 WO2021058760 A1 WO 2021058760A1 EP 2020076944 W EP2020076944 W EP 2020076944W WO 2021058760 A1 WO2021058760 A1 WO 2021058760A1
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WO
WIPO (PCT)
Prior art keywords
ventilation device
wall
ventilation
heating
air
Prior art date
Application number
PCT/EP2020/076944
Other languages
German (de)
English (en)
Inventor
Sebastian Weber
Original Assignee
Hochschule für Technik und Wirtschaft Dresden
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 Hochschule für Technik und Wirtschaft Dresden filed Critical Hochschule für Technik und Wirtschaft Dresden
Publication of WO2021058760A1 publication Critical patent/WO2021058760A1/fr

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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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
    • 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
    • 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
    • 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
    • F24F2221/34—Heater, e.g. gas burner, electric air heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile

Definitions

  • the invention relates to a ventilation device for walls and / or corners in interior areas, such as living quarters or basement areas.
  • Mold also occurs in old buildings on the outside walls, as there is a large difference between the temperature of the wall and the room and this causes condensation to form on the cooler walls. So-called thermal bridges also promote the development of mold, e.g. due to poorly insulated windows.
  • Mold formation is also favored in places with inadequate ventilation, such as behind furniture, heavy curtains, in window reveals or in rooms in which permanently increased humidity can be expected due to usage, such as the bathroom or kitchen.
  • DE 102018 104 042 A1 proposes a ventilation device that is set up in the corner area of rooms and has an upper air outlet and a side air outlet, an upper fan being assigned to the upper air outlet and a second fan being assigned to the side air outlet.
  • the disadvantage here is that the fan is noisy because of the compact design for generating the necessary volume flow and the associated speed.
  • Fan heaters for heating rooms and buildings are also known in the prior art.
  • DE 2 308 355 B2 describes a heater with an electric motor-driven radial fan.
  • the heater has a heating element arranged in the blower air flow, the sucked air passing through this heating element before it is released.
  • DE 3 120 198 A1 also discloses a corresponding transportable ventilation device with a heating element.
  • EP 1 588 873 A1 discloses a moisture detection device for detecting the formation of condensation at any point for local measurement of the temperature at the inner wall location, a humidity sensor for local measurement of a relative humidity in one space surrounded by the inner wall and a second temperature sensor for local measurement of a temperature in the space surrounded by the inner wall.
  • the object of the present invention is therefore to provide a ventilation device for ventilating walls and / or corners in living areas which overcomes the disadvantages in the prior art.
  • a ventilation device for wall and / or corner areas in interior areas comprising a ventilation device, a heating device and at least one air guiding device, the heating device being designed to increase the temperature of the air drawn in by at least 1 K and the air guiding device being designed to direct the outflow To direct air in the direction of the wall.
  • the ventilation device has a housing comprising the air guiding device, the housing being designed to accommodate the ventilation device and heating device.
  • the heating device is designed to increase the temperature of the air drawn in by 2 K.
  • the heating device is designed as an electrical heating element.
  • the heating device is designed as a resistance heater, such as a heating cartridge or heating foil.
  • the heating device is designed as a surface heating system.
  • the heating device is designed to generate a heat input via a heat conductor.
  • the heating device is designed as a Peltier element.
  • a Peltier element as a heating device allows air humidity to be separated out as condensate in a suitable collecting container. This can also advantageously reduce the humidity in the corresponding living area.
  • the collecting container is separated from the ventilation device, the condensate being transported away via a suitable line.
  • the ventilation device has a Peltier element and an additional heating device. The Peltier element is used to separate air moisture as condensate, while the heating device ensures the temperature of the sucked in air.
  • the ventilation device further comprises adsorption dehumidification.
  • adsorption dehumidification As a result, the air humidity in the interior can be significantly reduced and moist walls can be dried off in connection with the ventilation device according to the invention.
  • the heating device has a heating power of 30 W to 80 W, preferably 40 W to 60 W, particularly preferably 45 W to 55 W.
  • the ventilation device comprises at least one means for heat transfer which is connected to the heating device in a thermally conductive manner.
  • the means for heat transfer is advantageously designed in such a way that it has an enlarged surface in order to ensure heating of at least 1 K, preferably 2K, when the sucked-in air flows through.
  • the means for heat transfer can be formed from heat lamellae.
  • Corresponding heat lamellas offer the advantage of increasing the surface area while at the same time permitting the air flowing through them.
  • the enlarged surface ensures sufficient heat transfer from the heat lamellas to the air.
  • the ventilation device is an axial fan or radial fan.
  • the ventilation device has a volume flow of 30 m 3 / h to 200 m 3 / h, preferably 80 m 3 / h to 120 m 3 / h, particularly preferably around 100 m 3 / h.
  • the volume flow can be adjusted as required, for example. This can be done in stages or continuously. By means of an automated control of the ventilation device, the volume flow can preferably be continuously adjusted as required.
  • the ventilation device has a volume flow of 200 m 3 / h to 2000 m 3 / h, preferably 1000 m 3 / h to 2000 m 3 / h.
  • Correspondingly designed ventilation devices are preferably used in the industrial sector.
  • the air guiding device is arranged on the upper side of the ventilation device.
  • the air guiding device is a fan grille with inclined fins.
  • the inclined lamellae have an angle of 30 ° to 90 °, preferably 40 ° to 60 °, particularly preferably 45 °.
  • the air guiding device has lamellae with an angle profile between 20 ° and 90 °, with an average angle between 35 ° and 65 °.
  • the angle profile is linear and / or exponential.
  • the lamellae are arranged eccentrically.
  • the angular profile of the lamellae is designed to be adaptable as required.
  • the angular profile can be adjusted or regulated as required depending on the height of the room or the tempering profile on the wall. In this way, a fan-shaped flow of air onto the wall can be achieved.
  • the lamellae are designed in such a way that they can be set automatically as a function of the room height and / or the temperature profile on the wall.
  • the air guiding device is set up to generate a directed air flow which, when it hits the wall, has a transition from a laminar to a turbulent air flow.
  • the turbulent flow breaks up the boundary layer (the air layer on the wall). Furthermore, the turbulent flow improves the transfer of moisture from the wall to the air flow.
  • the air guiding device is arranged vertically to the ventilation device.
  • the air guiding device is arranged on the side of the housing. This configuration is particularly advantageous when used as a rear cabinet ventilation device.
  • the ventilation device preferably has no air guiding device on the upper side.
  • the air guiding device is designed such that it is detachably connected to the housing.
  • the air guiding device can for example removed from the top of the ventilation device and placed in the side area.
  • a conversion to a rear cabinet fan can be implemented in a simple manner.
  • the wall is preferably ventilated over the entire area. This results in an improved heat distribution along the wall.
  • the ventilation device further comprises a filter.
  • the filter can hold back mold spores from the sucked in room air so that they are prevented from being distributed through the ventilation system.
  • the ventilation system further comprises a temperature sensor, preferably for contactless measurement of the wall temperature.
  • This temperature sensor can be designed, for example, as an IR temperature sensor. By determining the wall temperature, a targeted regulation of the ventilation device can be implemented. Measuring field along the wall, adjustable sensor.
  • the ventilation device further comprises a temperature sensor for determining the room temperature.
  • the temperature sensor is preferably designed for contactless measurement of the room temperature.
  • the ventilation device furthermore comprises a sensor for determining the air humidity.
  • the ventilation device has a temperature sensor for determining the room temperature.
  • the ventilation device has a sensor for determining the air humidity.
  • the ventilation device preferably comprises both a temperature sensor and a sensor for determining the air humidity.
  • the temperature sensor and / or the sensor for determining the air humidity is arranged below the ventilation device. This measures the temperature and humidity of the air in the living area before it enters the ventilation device.
  • the wall temperature is preferably recorded without contact. As a result, based on the measured parameters of room temperature and air humidity, an automatic control of the ventilation device can be implemented depending on the wall temperature.
  • the temperature sensor and / or the sensor for determining the air humidity is arranged externally from the ventilation device. There the data collected are transmitted to the ventilation device. The data is preferably transmitted wirelessly.
  • the invention also relates to a method for the automated ventilation of walls or corners in living areas, comprising the steps:
  • the moisture content of the wall is calculated using the Magnus formula.
  • the moisture content of the wall is calculated using comparison tables. Only the room humidity and / or room temperature are measured here.
  • the comparison table is based on series of measurements, empirical values and standard conditions.
  • the moisture content of the wall is determined by means of sensors in the wall. This results in a direct measurement of the moisture content.
  • the limit value for the moisture content of the wall is> 55%. From this limit value, the wall is ventilated by targeted flow by means of the ventilation device according to the invention.
  • the humidity in the room is also recorded.
  • the wall is ventilated until it falls below the limit value.
  • the angular profile of the lamellas of the air guiding device is set as a function of the room height and / or the temperature profile on the wall.
  • the invention also relates to the use of the ventilation device according to the invention and the method according to the invention for ventilating wall or corner areas in living areas.
  • the ventilation device according to the invention is particularly suitable for corner areas in apartments that are prone to mold formation.
  • the ventilation device allows easy handling and partially automatic ventilation of wall surfaces or corner areas of apartments.
  • the ventilation device is also suitable for rear cabinet ventilation.
  • FIG. 1 shows an exploded view of a ventilation device according to the invention.
  • FIG. 1 An exploded view of a ventilation device according to the invention.
  • the ventilation device 1 comprises a housing 2 with a heating device 3, for example a heating cartridge, which is connected in a thermally conductive manner to a means for heat transfer 4, for example heat lamellas.
  • the heating device 3 heats the means for heat transfer 4, which has an enlarged surface in order to enable the temperature of the air flowing through to be controlled by at least 1K.
  • the heated air is directed towards the wall via an air device 5.
  • the air guiding device 5 has lamellae, which are arranged eccentrically, for example.
  • the lamellae of the air guiding device 5 have an angular course between 20 ° and 90 °, with an average angle between 35 ° and 65 °.
  • the air is from the ventilation device 6, which is designed, for example, as an axial fan.
  • a laminar air flow is generated by the air guide device, which is directed towards the wall.
  • the wall preferably has a laminar flow, the laminar air flow passing along the wall, for example from bottom to top, into a turbulent air flow.
  • the air is sucked in through a filter 7 which is stored in a filter cassette 8.
  • a filter retention device 9 is located between the filter 7 and the ventilation device 6 provided, which also includes the microcontroller for regulating the ventilation device.
  • the housing 2 preferably comprises a temperature sensor 10 for determining the wall temperature.
  • the ventilation device has a temperature sensor (not shown in detail) for detecting the room temperature and a sensor for detecting the room air humidity. At least the wall temperature and the room humidity are recorded and the wall humidity is calculated using the Magnus formula. Alternatively, the moisture content of the wall can be calculated using comparison tables. Only the room humidity and / or room temperature are measured here. A stored graph based on a comparison table, which depicts the usual environmental conditions, is used for the needs-based approach to an operating point. The comparison table is based on series of measurements, empirical values and standard conditions.
  • the wall is ventilated via a control circuit.
  • the wall is preferably ventilated over the entire surface.
  • the targeted flow onto the wall takes place, the air guiding device being regulated as required.
  • the position of the slats or the angular profile of the air guiding device can be adapted as required.
  • the ventilation is continued until the value falls below the limit value of> 55%.

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

Abstract

L'invention concerne un dispositif de ventilation pour des parois et des coins dans des zones de vie. A cet effet, l'invention porte sur un dispositif de ventilation pour des régions de paroi et de coin dans des zones de vie, lequel dispositif comprend un dispositif de ventilation, un dispositif de chauffage et au moins un dispositif de guidage d'air, le dispositif de chauffage étant conçu pour augmenter la température de l'air aspiré d'au moins 1 K, et le dispositif de guidage d'air étant conçu pour guider l'air s'écoulant vers l'extérieur en direction de la paroi.
PCT/EP2020/076944 2019-09-27 2020-09-25 Dispositif de ventilation pour parois et/ou coins dans des zones intérieures, et procédé de ventilation WO2021058760A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019126146.5 2019-09-27
DE102019126146.5A DE102019126146A1 (de) 2019-09-27 2019-09-27 Belüftungsvorrichtung für Wände und/oder Ecken in Innenbereichen

Publications (1)

Publication Number Publication Date
WO2021058760A1 true WO2021058760A1 (fr) 2021-04-01

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PCT/EP2020/076944 WO2021058760A1 (fr) 2019-09-27 2020-09-25 Dispositif de ventilation pour parois et/ou coins dans des zones intérieures, et procédé de ventilation

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DE (1) DE102019126146A1 (fr)
WO (1) WO2021058760A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308355B2 (de) 1972-03-02 1976-03-18 Laing Geb. Melchior, Ingeborg, 7141 Aldingen Elektrisches heizgeraet mit elektromotorisch betriebenem radialgeblaese
DE3120198A1 (de) 1981-05-21 1982-12-09 Braun Ag, 6000 Frankfurt Transportables lueftergeraet mit elektromotorisch betriebenem geblaese
EP0866285A2 (fr) * 1997-02-20 1998-09-23 Heinz Meyer Sytème de ventilation
DE10143540A1 (de) * 2001-09-06 2003-04-03 Wolfgang Ludwig Verfahren und Vorrichtung zur Beseitigung und/oder Verhinderung von Feuchtigkeitsabscheidungen auf kondensationsgefährdeten Innenwänden von Gebäuden
EP1302831A2 (fr) * 2001-10-15 2003-04-16 Techem Development GmbH Méthode et système pour détecter le risque d'une formation de moisissure
EP1588873A1 (fr) 2004-04-23 2005-10-26 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Dispositif et procédé pour prévenir la formation de humidité dans des pièces et sur les murs intérieurs d'une pièce
DE102013012268A1 (de) * 2013-07-24 2015-01-29 Ludwig Karl Gürtner Verfahren und Vorrichtung zur Verbesserung der Raumluft
DE102018104042A1 (de) 2017-07-04 2019-01-10 Tobias Obert Belüftungsvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306045C2 (de) * 1983-02-22 1989-02-02 Getro Gebäudetrocknungs-GmbH, 4056 Schwalmtal Verfahren zum Trocknen von Schichten unterhalb von Estrichböden, insbesondere Dämmschichten
DE3326572A1 (de) * 1983-07-23 1985-01-31 Walter 2000 Hamburg Müller Heizgeraet fuer fahrzeuge
EP2278242A1 (fr) * 2009-07-24 2011-01-26 DBK David + Baader GmbH Dispositif de ventilation
CN204630044U (zh) * 2015-02-11 2015-09-09 勃格科技(上海)有限公司 一种采用隐藏式进出风风道的电壁炉

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308355B2 (de) 1972-03-02 1976-03-18 Laing Geb. Melchior, Ingeborg, 7141 Aldingen Elektrisches heizgeraet mit elektromotorisch betriebenem radialgeblaese
DE3120198A1 (de) 1981-05-21 1982-12-09 Braun Ag, 6000 Frankfurt Transportables lueftergeraet mit elektromotorisch betriebenem geblaese
EP0866285A2 (fr) * 1997-02-20 1998-09-23 Heinz Meyer Sytème de ventilation
DE10143540A1 (de) * 2001-09-06 2003-04-03 Wolfgang Ludwig Verfahren und Vorrichtung zur Beseitigung und/oder Verhinderung von Feuchtigkeitsabscheidungen auf kondensationsgefährdeten Innenwänden von Gebäuden
EP1302831A2 (fr) * 2001-10-15 2003-04-16 Techem Development GmbH Méthode et système pour détecter le risque d'une formation de moisissure
EP1588873A1 (fr) 2004-04-23 2005-10-26 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Dispositif et procédé pour prévenir la formation de humidité dans des pièces et sur les murs intérieurs d'une pièce
DE102013012268A1 (de) * 2013-07-24 2015-01-29 Ludwig Karl Gürtner Verfahren und Vorrichtung zur Verbesserung der Raumluft
DE102018104042A1 (de) 2017-07-04 2019-01-10 Tobias Obert Belüftungsvorrichtung

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