EP4065905A1 - Zwangsbelüftungssystem für einen durch zumindest eine blende abgeschlossenen luftraum zwischen einer wand und einem möbelstück - Google Patents
Zwangsbelüftungssystem für einen durch zumindest eine blende abgeschlossenen luftraum zwischen einer wand und einem möbelstückInfo
- Publication number
- EP4065905A1 EP4065905A1 EP21708208.0A EP21708208A EP4065905A1 EP 4065905 A1 EP4065905 A1 EP 4065905A1 EP 21708208 A EP21708208 A EP 21708208A EP 4065905 A1 EP4065905 A1 EP 4065905A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- fan
- section
- air space
- ventilation system
- 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.)
- Withdrawn
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
- 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
- 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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/10—Details or features not otherwise provided for combined with, or integrated in, furniture
Definitions
- the invention relates to a forced ventilation system for an air space between a wall and a piece of furniture, or in an air space which is closed off by at least one panel.
- Such mold formation is due to the temperature difference between the wall surface of the respective wall and the room or furniture temperature, the resulting difference in relative humidity and the restricted or completely prevented air circulation in the area between the piece of furniture and the wall or wall surface.
- the known solutions blow the mold spores out of the air space in an uncontrolled manner and distribute them in the room.
- the invention is therefore based on the object to overcome the aforementioned after parts and a forced ventilation system and an associated Providing a method by which air humidity can be specifically removed from a closed air space and mold formation can be prevented.
- a forced ventilation system for an air space closed off by at least one panel between a wall and a piece of furniture arranged in a room or room.
- the forced ventilation system has at least one fan, a heating element, a control device, at least one air duct and a ventilation opening fluidically connecting the air space with the space, the control device being connected in terms of control technology to the at least one fan and the heating element and designed to control and close them rules.
- the air duct can be formed by the wall and the piece of furniture or, for example, by a pipe.
- the at least one fan, the heating element and the at least one air duct are arranged in the air space.
- An air duct connects a ventilation opening with a fan in terms of flow technology. Accordingly, at least one air duct and at least one ventilation opening are provided for each fan.
- the at least one fan divides the air space into a first section delimited by the air duct and a second section delimited by the wall and the piece of furniture and is designed to generate an air flow through the air duct into or out of the second section, so that air from the fan can be sucked in or blown out through the air duct and through the ventilation opening.
- a cold wall or an outer wall of a building is preferably understood as a wall.
- the air space can also extend, starting from the wall, into an area between the piece of furniture and a floor or floor.
- the basic idea according to the invention is to be able to specifically generate and / or influence a “microclimate” in the air space in which a natural air flow is completely or at least almost prevented in order to remove moisture from the air space or at least not to add any moisture.
- the air in the air gap or air space should be temperature-controlled or heated in a targeted manner by the forced ventilation system, and heated air should be able to be discharged. If targeted removal of moisture is not possible due to the ambient conditions, at least no new moisture should be fed into the air space or into the second section of the air space.
- the fan is preferably a radial, an axial or a Querstromventila tor or a cross-flow fan.
- an axial fan it can be arranged tilted with respect to its axis of rotation relative to the wall and the outer walls of the piece of furniture, which results in an advantageous flow towards the second section of the air space.
- the fan can be positioned directly adjacent to the wall, with an outflow area being provided between the wall and the fan, which guides the air from the fan into the air space and enables air to flow.
- the fan can be provided directly on the panel or one of the panels, which can be a baseboard, and adjacent to the ventilation opening.
- an advantageous variant provides that the airspace at least partially wise and preferably completely closed by the wall, the piece of furniture and the at least one panel blocking an air flow, as is the case, for example, with built-in cupboards or kitchen elements, with skirting boards also being regarded as panels.
- the air space thus delimited by the wall or the floor, the piece of furniture and the panels is opened exclusively through the ventilation opening preferably provided in one of the panels.
- a gap between the piece of furniture and the baseboard or a panel is provided as such a ventilation opening.
- the heating element is fluidly arranged in the air space before or after the fan or in the fan. Depending on the arrangement of the heating element, it is in particular provided and designed to heat the air flowing into the second section or the air received in the second section and thereby to increase the absorption capacity for moisture present in the second section.
- the heating element is preferably an electrical heating wire.
- a heating cable, a power loss source or even a surface heating element can be used as the heating element.
- a heating medium is understood as a power loss source whose primary purpose is not
- Heating of the air space and which heat energy for heating the air space is therefore emitted as power loss.
- a heat source such as a heating pipe
- this power loss source can be used integrally as a heating element, so that the heating element is a fluid line through which a heating fluid flows.
- the heating element is arranged in the fan and is a heating wire.
- the heating wire can be integral through the motor windings of the electric motor of the fan so the Schuele element be formed integrally by an electric motor of the fan.
- the heat or the heating power is generated, for example, by winding and / or electronic losses of the electric motor.
- a predetermined power loss is generated on the electric motor in order to specifically heat the motor winding and to form the heating element.
- the forced ventilation system further comprises a filter which, in terms of flow, is upstream or downstream of the fan in the air space and is arranged in the air flow generated by the fan, so that the air flow completely flows through the filter.
- a filter also prevents or at least minimizes the sucking in or blowing out of dust.
- the ventilation opening is provided in one or the at least one panel and is formed by a recess in the panel. In this case, the ventilation opening is preferably delimited by the panel and a surface of the wall or the piece of furniture facing the panel.
- the ventilation opening can also be designed as a gap between the panel, which also includes skirting boards, and the piece of furniture, this preferably limited locally and not extending over the entire extent of the piece of furniture.
- the ventilation opening is formed by a cladding element through which air can flow and which is received in or on the panel or forms the diaphragm at least in sections.
- a cladding element can be or have a ventilation grille, for example.
- the ventilation opening is formed by a cladding element through which air can flow and which is received in or on the panel or at least partially forms the panel
- the fan and the air duct are arranged integrally on or in the cladding element .
- a unit of cladding element, air duct and fan can be used, for example, as an insert in the panel or skirting board.
- a further advantageous embodiment of the invention provides that the or a ventilation opening is provided in a panel and the diaphragm forms a labyrinth channel and an opening of the labyrinth channel which is fluidically spaced from the air space forms the ventilation opening.
- a second screen in which a suction opening is provided, also forms a second labyrinth channel, the opening of which is fluidically spaced from the air space and forms the suction opening.
- the heating element can be provided in the first and / or second labyrinth channel or, for example, additional filter lamellas can be arranged.
- the forced ventilation system also has a first sensor connected to the control device for signaling purposes and a second sensor connected to the control device for signaling purposes. Furthermore, the first sensor is outside the air space in the room or the room or in the first section of the air space or arranged in the fan or on or in the ventilation opening and designed to measure a first temperature and / or a first relative humidity outside the second section of the air space.
- the second sensor is arranged in the second section of the air space and designed to measure a second temperature and / or a second relative humidity of the second section of the air space and preferably of the wall.
- the temperature or humidity of the air space is understood in each case to be the temperature of the air taken up in the air space or, in relation to the second section, the temperature or humidity of the wall.
- a sensor can have a plurality of measuring elements or can also be designed as a sensor arrangement comprising a plurality of sensors.
- air guide elements are arranged in the air duct and / or in the second section of the air space.
- These air guide elements can form, for example, a labyrinth or a channel extending like a labyrinth, through which the flow path of the air is influenced and the air is guided, for example, in a meandering manner through the air space.
- the heating element can also be arranged in such a channel or labyrinth, so that it can heat the air along a larger distance or section.
- the forced ventilation system has at least one and preferably exactly one fan and at least one and preferably exactly one air duct. Furthermore, the control device is designed to suck the fan and the heating element air in a first cycle through the ventilation opening into the second section of the air space, heating the air and the heated air in a second cycle from the second section of the air space blowing out of the ventilation opening.
- the warm air can take up additional moisture in the second section of the air space, the air with the taken up moisture being sucked off in the second cycle and expelled from the ventilation opening, whereby the moisture is removed from the air space.
- the forced ventilation system has at least one and preferably exactly one fan, at least one and preferably exactly one air duct and a suction opening.
- the control device is designed to control the fan and the heating element sucking or sucking air through the suction opening into the second section of the air space, heating the air and blowing the heated air out of the second section of the air space from the ventilation opening.
- the fan is preferably at least one reversible axial fan or a device made up of two non-reversible fans, of which a first fan is provided for sucking in and a second fan for blowing out.
- a reverse operation can also take place, in which the air is sucked into the air space through the ventilation opening and blown out through the suction opening.
- the forced ventilation system has at least two and preferably exactly two fans, each with an air duct, which are fluidically connected via the second section of the air space in between.
- the control device is designed to suck the first and the second fan and the heating element air through the first ventilation opening, heating the air and blowing the heated air out of the second section of the air space from the second ventilation opening. to steer.
- the direction of flow can be reversed by controlling the fans accordingly, so that the air is sucked in through the second ventilation opening and blown out of the first ventilation opening.
- the air flow takes place in a first direction in a first cycle and in an opposite second direction in a second, time-shifted cycle.
- the fans can in turn be designed reversibly or each comprise at least two fans, a first of which is provided for suction and a second for blowing out and is designed and arranged accordingly.
- a further aspect of the invention relates to a method for removing moisture from an air space between a wall and a piece of furniture, which is closed all the way by screens, with a forced ventilation system according to the invention, which has a first sensor connected to the control device for signaling purposes and a second sensor connected to the control device for signaling purposes.
- the first sensor is arranged and formed outside the air space in the room, in the first section of the air space or in the fan or on or in the ventilation opening, a first temperature and a first relative humidity outside the second section of the air space to eat.
- the second sensor is arranged in the second section of the air space and designed to measure a second temperature and a second relative humidity of the second section of the air space.
- the first sensor detects or measures a first temperature value and a first relative humidity value and transmits these to the control device.
- the second sensor detects or measures a second temperature value and a second relative humidity value and also transmits these to the control device.
- the control device determines a temperature difference between the first and the second temperature value and an air humidity difference between the first and the second relative air humidity value.
- the control device then controls the heating element and / or the at least one fan as a function of the first temperature value and / or the second temperature value and / or the first air humidity value and / or the second air humidity value and / or the temperature difference and / or the air humidity difference.
- Control is preferably carried out according to the following scheme:
- T 2 second temperature value DT TI - T 2 temperature difference
- the temperature and humidity threshold values are each predetermined values that are stored in the control device. Heating if DT> T d i,
- Tsi can be 6 ° C., for example, the case DT> T Si occurring particularly in winter.
- Ts2 is preferably a minimum permissible wall temperature in the interior of, for example, 12.6 ° C.
- cpsi is, for example, 10% and cps2, for example, 70%.
- a cycle is automatically started for a predetermined (first) period of time in which heating and / or ventilation takes place. This can then be followed by a second cycle in which heating and / or ventilation takes place for a second predetermined period of time, which is longer than the first period of time.
- the air in the second section of the air space can initially also be heated via the heating element for several hours so that it absorbs moisture present there. Only then is the heated air sucked out or blown out by the fan.
- control device can control the fans accordingly to suck or blow no more air into the second air space.
- the control device can also be arranged in a distributed manner, with, for example, a central unit controlling the data transmitted wirelessly by the sensors in a wireless manner to control the at least one fan and the heating element.
- the first sensor when the sensor data is transmitted wirelessly from the first sensor to the control device, the first sensor can also be arranged outside the air space in the room in which the piece of furniture is located, so that the first sensor detects the room temperature and the relative humidity of the room air .
- the control device also preferably provides a storage unit in which the water vapor capacity of air is stored for a predetermined temperature range of the air.
- the control device is preferably also designed to determine from the relative humidity of the air and the water vapor capacity of the air whether the air can absorb additional moisture and what amount the air can absorb additional moisture.
- a further advantageous development provides that an average value of the relative humidity is formed from previously recorded values or another threshold value is provided and a currently measured relative humidity of the room air or a curve the measured relative humidity of the room air is compared with the mean value or the threshold value. If there is a sudden drop or if the threshold value or the mean value is undershot by a specified value, an open window or the ventilation of the room through an open window can be detected.
- the method according to the invention can be carried out based on the detection of the open window. For example, an average value of the relative humidity of the room air is determined on a sliding basis over the last hour or the last day and the average value is compared with the current relative humidity of the room air. If there is a sudden drop in relative humidity 5 minutes, for example, an open window or ventilation that is currently taking place via a window is detected and the method for removing moisture is started as a result.
- 5 shows a fourth variant of the forced ventilation system
- 6a, 6b each show a variant of a diaphragm
- 9a, 9b each show a cycle of an alternative forced ventilation system
- FIG. 1 shows the problem situation known in the prior art.
- Pieces of furniture 2 are often placed directly on cold or damp walls 1, so that mold can form in an air gap or air space 3 between wall 1 and piece of furniture 2, since little or no air circulates through air space 3. Accordingly, a cold and mostly humid climate remains in the air space 3, whereby the formation of mold is additionally promoted.
- the problem occurs to an even greater extent if the air space 3 is sealed off by panels 21 on the piece of furniture 2, so that air can no longer circulate in the air space 3. Ventilation openings 22 that may be present in the panels 21 also do not stimulate the air circulation in the air space 3, so that they have little or no effect.
- a floor T, on which the piece of furniture 2 is arranged, is here essentially also understood to be a wall and a skirting board is also understood to be a panel 21.
- FIG. 2 shows a first variant of a forced ventilation system in which a fan 11 is provided in the air space 3 and divides it into a first section 31 and a second section 32.
- the first section 31 is an area between the fan 11 and the
- the first and second sections 31, 32 are generally only fluidly connected via the fan 11.
- the fan 11 can, for example, have a partition wall or be arranged in such a wall.
- a first sensor 41 and a second sensor 42 are provided, the second sensor 42 being arranged in the second section 32 of the air space 3 and being designed to measure the relative humidity and a temperature there.
- the first sensor 41 is exemplified in FIG Arranged air duct 14, but can alternatively also be arranged outside the air gap 3 in the room in which the piece of furniture 2 is set up.
- the first sensor 41 is also designed to measure both the temperature and the relative humidity.
- the heating element 12 is provided through which the air space 3 or in the second section 32 of the air space 3 existing air or air flowing in from the first section 31 can be heated.
- the fan 11 which is designed here as an axial fan, air can be sucked in or blown out from outside the air space 3 through the ventilation opening 22. If the air in the second section 32 is saturated with moisture, air is sucked out of the second section 32 by the fan 11 and expelled from the ventilation opening 22, so that the moisture in the second section 32 of the air space is reduced.
- a control device 13 is provided for this, to which the sensor data are transmitted, which processes the sensor data and which controls the fan 11 and the heating element 12.
- the control device 13 can be arranged externally and wirelessly connected to the components. It is also possible that the control device 13 is formed on the fan or integrally with its fan electronics and is wired to the other components.
- FIGS. 3 to 5 differ only slightly, so that the description of FIG. 2 continues to apply.
- the fan 11 is tilted relative to the wall 1, whereby an advantageous flow on the wall 1 and an advantageous inflow of air from the first section 31 into the second section 32 is made possible.
- the heating element 12 can be formed integrally with the fan 11 or with its electric motor, which is shown schematically in FIG .
- a radial fan can also be used.
- FIGS. 6a and 6b in which a labyrinth channel 25 through which the air is drawn in, is formed in the diaphragm 21 ', are particularly advantageous here.
- the labyrinth channel 25 each forms a natural filter and can, for example, also be used to heat the air drawn in over the extent of the labyrinth channel 25, a heating element having to be provided in the labyrinth channel 25 for this purpose.
- FIG. 6a shows a simple embodiment of such a labyrinth channel 25
- FIG. 6b shows a meander-like labyrinth channel 25 extending through the panel 21 'and thereby significantly increasing its overall length.
- the variants as shown in FIGS. 2 to 5 are only with one fan 11, these must work cyclically, so that air is sucked in and / or heated in a first step or cycle and air is blown out in a second subsequent step or cycle.
- the fan 11 in the respective variant can generate a passage through the air space 3 so that air is sucked in and through the labyrinth channel 25, for example is expelled through the vent opening 22.
- the ventilation opening 22 can also be formed by a cladding element 24, schematically indicated in FIG. 7a, which is fitted into the panel 21 and has a visually appealing effect.
- the fan 11 can in principle be arranged in any area of the air space 3, whereby it is preferably positioned in a transition area, as shown in FIGS lying section merges into a between the piece of furniture 2 and the floor V extending section. To facilitate assembly and particularly simple maintenance, the fan 11 can, however, as shown in FIG. The air duct 14 is reduced to a minimum here.
- FIGS. 8a and 8b are intended to further illustrate an already mentioned cyclical mode of operation.
- a first step or first cycle the heating element 12 is operated in order to thereby heat the air in the second section 32.
- This rises in the second section 32 which is represented by the air flow shown as a dash-dot line with a double arrow. If the air is heated, it can absorb additional moisture, so that warm, moist air is collected in the second section.
- the second cycle or step shown in FIG. 8b takes place, in which the warm moist Air is sucked in from the second section 32 by the fan 11 and expelled through the first section 31 and through the ventilation opening 22.
- the air flow generated is also indicated in FIG. 8b by a dash-dot line with a double arrow.
- the first sensor 41 measures the temperature and the relative air humidity and transmits these to the control device 13, which determines whether the air can absorb additional humidity at the measured temperature. If this is the case, air is sucked in through the labyrinth channels 25 in the diaphragms 2T and expelled again from the ventilation opening 22.
- cyclical operation can take place in which the air is first conveyed through the air space 3 in one direction and then in the other direction, as indicated by the air flows in FIGS. 9a and 9b.
- FIG. 10 shows a further advantageous variant which, however, is based on two fans 11, 1T.
- an even number of fans 11 can also be used, with an air flow further preferably being generated between each adjacent pair of fans 11.
- the air is sucked in by the first fan 11 and passed along the heating element 12 through the second section 32 of the air space 3.
- the second fan 1 T sucks in the heated air that has absorbed moisture along the flow path and expels it through the second ventilation opening 22 '.
- the conveying direction of the fans 11, 1T or the air flow can here in a subsequent cycle can also be reversed, so that the air flows in the opposite direction along the flow path indicated by the dash-dot line
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020107237.6A DE102020107237A1 (de) | 2020-03-17 | 2020-03-17 | Zwangsbelüftungssystem für einen durch zumindest eine Blende abgeschlossenen Luftraum zwischen einer Wand und einem Möbelstück |
| PCT/EP2021/054708 WO2021185553A1 (de) | 2020-03-17 | 2021-02-25 | Zwangsbelüftungssystem für einen durch zumindest eine blende abgeschlossenen luftraum zwischen einer wand und einem möbelstück |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4065905A1 true EP4065905A1 (de) | 2022-10-05 |
Family
ID=74758798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21708208.0A Withdrawn EP4065905A1 (de) | 2020-03-17 | 2021-02-25 | Zwangsbelüftungssystem für einen durch zumindest eine blende abgeschlossenen luftraum zwischen einer wand und einem möbelstück |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4065905A1 (de) |
| DE (1) | DE102020107237A1 (de) |
| WO (1) | WO2021185553A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19922007A1 (de) * | 1999-05-12 | 2000-11-16 | Lixin Fu | Aggregat zur Feuchtigkeitsvermeidung im engspaltigen Raum |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3218161A1 (de) * | 1982-05-14 | 1983-11-17 | Hellmuth Moehlenhoff | Schaltungsanordnung fuer ein elektrisches heizelement und damit ausgeruestete vorrichtung |
| CH692306A5 (de) * | 1997-02-20 | 2002-04-30 | Heinz E Meyer | Belüftungsvorrichtung. |
| JP2003042560A (ja) * | 2001-07-25 | 2003-02-13 | Matsushita Electric Ind Co Ltd | 暖房装置及びこれを用いた厨房装置 |
| 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 |
| CA2594220C (en) | 2007-06-15 | 2008-11-18 | Joao Pascoa Fernandes | Moisture removal system |
| WO2013011712A1 (ja) * | 2011-07-21 | 2013-01-24 | パナソニック株式会社 | 厨房装置 |
| GB2508392A (en) * | 2012-11-30 | 2014-06-04 | Smith S Environmental Products Ltd | Plinth heater adapted for use with a standard domestic electrical socket |
| DK3020881T3 (da) | 2014-11-14 | 2020-10-26 | Saint Gobain Isover | Fremgangsmåde og system til tilvejebringelse af eftermonteret isolering |
| DE202015002031U1 (de) * | 2015-03-17 | 2015-04-28 | Jürgen Meyer | Dauerbelüftungsvorrichtung zur Belüftung von Innenwand/Schrank Zwischenräumen, zur Verhinderung von Feuchteschäden wie Schimmelbefall, Fäulnisbakterien, muffiger Geruch und den dadurch hervorgerufenen Erkrankungen |
| DE202017101995U1 (de) * | 2017-04-04 | 2017-05-02 | IRES Infrarot Energie Systeme GmbH | Vorrichtung zur Trocknung von Bauwerken |
| DE202019000666U1 (de) | 2019-02-12 | 2019-03-20 | Uwe Häußer | Präventionssystem zur Vermeidung von Schimmelbildung unter eingeschränkten Luftzirkulationsbedingungen in innerräumlichen, durch Einrichtungsgegenstände erzeugten Zwischenräumen |
-
2020
- 2020-03-17 DE DE102020107237.6A patent/DE102020107237A1/de active Pending
-
2021
- 2021-02-25 EP EP21708208.0A patent/EP4065905A1/de not_active Withdrawn
- 2021-02-25 WO PCT/EP2021/054708 patent/WO2021185553A1/de not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19922007A1 (de) * | 1999-05-12 | 2000-11-16 | Lixin Fu | Aggregat zur Feuchtigkeitsvermeidung im engspaltigen Raum |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020107237A1 (de) | 2021-09-23 |
| WO2021185553A1 (de) | 2021-09-23 |
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