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EP4253850B1 - Dispositif pour la ventilation et la régulation de la température d'une pièce - Google Patents

Dispositif pour la ventilation et la régulation de la température d'une pièce Download PDF

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Publication number
EP4253850B1
EP4253850B1 EP23163081.5A EP23163081A EP4253850B1 EP 4253850 B1 EP4253850 B1 EP 4253850B1 EP 23163081 A EP23163081 A EP 23163081A EP 4253850 B1 EP4253850 B1 EP 4253850B1
Authority
EP
European Patent Office
Prior art keywords
air
carrier plate
volume flow
section
air volume
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
EP23163081.5A
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German (de)
English (en)
Other versions
EP4253850A1 (fr
EP4253850C0 (fr
Inventor
Martin Günther Baltes
Dietmar Rossbruch
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.)
Krantz GmbH
Original Assignee
Krantz GmbH
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Filing date
Publication date
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Publication of EP4253850A1 publication Critical patent/EP4253850A1/fr
Application granted granted Critical
Publication of EP4253850B1 publication Critical patent/EP4253850B1/fr
Publication of EP4253850C0 publication Critical patent/EP4253850C0/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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F24F5/0092—Systems using radiation from walls or panels ceilings, e.g. cool ceilings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light

Definitions

  • the invention relates to a device for ventilating and tempering a room in a building with at least one building ceiling according to the preamble of claim 1.
  • the device comprises a carrier plate, at least one first air outlet cross-section which is arranged above the carrier plate and with which a first air volume flow can be guided through a ceiling gap arranged between the building ceiling and the carrier plate, and at least one second air outlet cross-section from which a second air volume flow can be emitted such that it can be guided below the carrier plate approximately parallel to the carrier plate.
  • the carrier plate can, for example, be one or more panels of a covered ceiling. It is also conceivable that the carrier plate is formed by a ceiling sail. The components of the device are mostly or entirely located in a gap between the building ceiling and the carrier plate.
  • the aforementioned devices are concerned exclusively with the temperature control or ventilation of a room, whereby any possible contamination of the air by viruses, bacteria, etc. and in particular their reduction are not taken into account.
  • a device that is also intended to clean the air supplied to a room is known from the EP 3 287 705 B1 known.
  • the known device has a housing whose interior is divided into various sub-chambers, whereby the device is connected to a central ventilation system for supplying supply air.
  • a tempering device is also connected upstream of the device so that already tempered supply air enters the device.
  • the supply air enters a funnel-shaped anteroom which bundles the supply air into a jet.
  • This jet is guided into a mixing chamber and enters the room to be ventilated via a perforated wall.
  • room air is induced into the mixing chamber via corresponding inlet openings.
  • part of the mixed air passes through a cleaning device which creates a chemical reaction between the components in the air.
  • a device for air conditioning a room which is mounted beneath a ceiling and has a support plate.
  • the ceiling cavity thus obtained is fed via an air supply duct, whereby the air supply can optionally be tempered via heat exchangers and can leave the device into the room via openings.
  • a radiator can also be integrated into the device.
  • the device can also have a device for disinfecting the air, whereby UV-C lamps are arranged in the ceiling cavity to clean the air of bacteria, viruses and the like.
  • the document EN 10 2020 120 655 A1 deals with a room air disinfection device that is to be mounted on a suspended ceiling.
  • the system is a recirculation system in which room air is sucked in by a fan and released back into the room via an air duct at another location.
  • UV-C lamps are arranged in the air duct to disinfect the sucked-in room air.
  • the documents US 2002/ 0 031 460 A1 and US 2020/ 0 354 513 A1 describe devices for disinfecting room air, whereby the devices are completely are housed in a housing.
  • the housing contains UV lamps that are intended to disinfect the circulating air.
  • the document EN 10 2017 125 131 A1 shows a ceiling panel that is equipped with heat exchanger elements. An air outlet is arranged in the ceiling cavity, through which supply air from a central ventilation system is released into the ceiling cavity via nozzles and into the room via perforations in the ceiling panel parallel to the ceiling.
  • the document EN 10 2017 125 131 A1 discloses a device for ventilating and tempering a room according to the preamble of claim 1. Disinfection of circulating air is not provided.
  • a device having the features of claim 1.
  • a disinfection device is provided by means of which at least part of the first air volume flow can be disinfected using UV-C radiation, wherein at least part of the first air volume flow can be guided between a support element for at least one UV-C radiation source and the support plate or the building ceiling and can be disinfected there.
  • Advantageous embodiments emerge from the associated subclaims.
  • High-energy ultraviolet radiation is highly damaging to cells and can therefore be used to inactivate viruses, bacteria, etc. in the air. This requires a sufficiently high exposure dose, which results from the product of intensity and irradiation duration. Since UV-C radiation can also be harmful to people or objects, radiation must be prevented from escaping from the device or at least sufficiently reduced. This is achieved by adequately shielding the UV-C radiation from the space below the device, in particular by means of a shielding device.
  • the carrier plate shields the radiation from the room to be ventilated.
  • a carrier plate that is perforated in this area can be provided with a covering layer (e.g. made of fleece) that is impermeable to UV-C radiation, preferably on its upper side, which can also take on an acoustic and optical function. This prevents radiation from passing through the carrier plate and consequently from coming into contact with people or objects in the room.
  • the UV-C radiation can also radiate in the direction of the building ceiling.
  • the disinfection device is integrated into a device for ventilating and tempering a room, means for guiding the air volume flows are already present, so that the disinfection device does not require any additional means for guiding the air or generating an air flow.
  • the disinfection device itself therefore works noiselessly.
  • the integration of the disinfection device in the space between the building ceiling and the support plate has the advantage that no additional space is required for the disinfection device within the room and the disinfection device is housed so that it is not visible from the room.
  • the disinfection device it is advantageous if there is intensive radiation. In addition to the choice of radiation source and its number, it can also be useful, for example, to create multiple reflections, so that the radiation intensity is further increased.
  • the output should advantageously be high enough to achieve sufficient disinfection performance at air speeds between approx. 0.1 m/s and 2 m/s, preferably between 0.5 m/s and 1.5 m/s.
  • the UV radiation can be generated using LED technology, which is particularly energy efficient.
  • the entire first air volume flow is disinfected using UV-C radiation.
  • approximately 90% of the first air volume flow is considered to be almost the entire first air volume flow. This ensures particularly effective disinfection of the air.
  • a distance between the carrier plate and the support element is advantageously 200 mm. Deviations of +/- 10 mm are not critical. With this distance, it is possible for almost the entire first volume flow to flow under the support element and thus be captured by the UV-C radiation.
  • a further development of the invention provides that the at least one support element can be supported by means of at least one support element on the carrier plate and/or the heat exchanger device.
  • a distance between the carrier plate and the support element for the UV-C radiation source so that a free space is created through which the first air volume flow can pass.
  • two support elements can preferably also be provided, so that the at least one support element and the support elements form a type of bridge. Depending on the length and load-bearing capacity of the support element, it can also be advantageous if more than two support elements are arranged.
  • FIG. 1 and 2 is an embodiment of a device 1 according to the invention for ventilation and temperature control of a room 2 in a building, wherein in the Figure 1
  • the device 1 comprises a support plate 4, which in the present example is formed by a ceiling sail 5.
  • the support plate 4 has a length 6 and a width 7, with the support plate 4 having an upstand 8 with a height 9 on all four sides.
  • a clear distance between the building ceiling 3 and the support plate 4 is approximately 200 mm.
  • the disinfection device 21 has a support element 22 for a UV-C radiation source 23, which in the present example is formed by a row of LED lights.
  • the wavelength of the emitted UV-C light is 260 nm.
  • the support element 22 is formed by a sheet whose width corresponds approximately to the width 7 of the carrier plate 4 and is thus elongated. Accordingly, the support element 22 extends transversely to the flow direction 20 of the first air volume flow.
  • a support element 24 is arranged at each end of the support element 22, which in the present case is designed in the manner of a folded edge or like side plates.
  • the first air volume flow (arrow 14) introduced by means of the nozzles 16 induces room air, so that this is carried along with the flow of the first air volume flow and is also captured and disinfected by the UV-C radiation.
  • the room air is in the Figure 1 symbolized by the arrows 34.
  • the device 1 according to the Figures 1 and 2 may optionally comprise a heat exchanger device 27, which is shown for illustrative purposes in the Figure 2
  • the heat exchanger device 27 has pipes 28 which run in a thermally coupled manner on the carrier plate 4 and through which a liquid heat transfer medium, preferably water, can flow.
  • the second air volume flow penetrates the carrier plate 4.
  • the second air outlet cross-section is designed differently and is arranged, for example, such that the second air volume flow already flows out below the carrier plate 4.
  • This first air volume flow also has the shape of a rectangle or a trapezoid in cross-section.
  • the circulating air which flows beneath the guide plate 33 and is guided by it, forms the second air volume flow (arrow 30), which passes beneath the carrier plate 4 and clings to it from below and flows parallel to it.
  • the Figure 4 the room 2, which is equipped with several devices 1 according to the invention in the form of ceiling sails.
  • Two of the three devices 1, the two outer ones, are provided with a disinfection device according to the invention and are connected to a central supply air system and are analogous to the devices shown in the Figures 1 and 2 shown devices 1.
  • the central device 1, on the other hand, is designed as a device (ceiling sail) with a static cooling/heating function and without active air flow and also without a disinfection device. Due to the large mixed air volume flows in the two outer devices 1, a disinfection function in the middle ceiling sail is not necessary.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Claims (11)

  1. Dispositif (1), destiné à aérer et à tempérer une pièce (2) dans un bâtiment pourvu d'au moins un plafond (3) de bâtiment, le dispositif (1) comprenant
    - une plaque de support (4),
    - au moins une première section transversale (13) de sortie d'air, qui est placée au-dessus de la plaque de support (4) et à l'aide de laquelle un premier débit volumétrique d'air peut être guidé à travers un espace intermédiaire (15) du plafond placé entre le plafond (3) de bâtiment et la plaque de support (4) et
    - au moins une deuxième section transversale (29) de sortie d'air, à partir de laquelle un deuxième débit volumétrique d'air peut être émis de telle sorte qu'il puisse être guidé en-dessous de la plaque de support (4), approximativement à la parallèle de la plaque de support (4),
    - un caisson (10) distributeur d'air, qui est raccordé sur un système de ventilation centralisé et qui est susceptible d'être alimenté avec de l'air primaire,
    caractérisé par un système de désinfection (21), au moyen duquel au moins une partie du premier débit volumétrique d'air est susceptible d'être désinfectée par rayonnement UV-C, au moins la partie du premier débit volumétrique d'air pouvant être dirigée entre un élément porteur (22) pour au moins une source de rayonnement UV-C (23) et la plaque de support (4) ou le plafond (3) de bâtiment et y être désinfectée, le caisson (10) distributeur d'air étant placé sur une face frontale de la plaque de support (4) qui est susceptible d'être submergée sur une longueur totale du premier débit volumétrique d'air, la première section transversale (13) de sortie d'air placée au-dessus de la plaque de support (4) étant susceptible d'être exposée à de l'air primaire et en ce qu'au moyen de l'air primaire sortant de la première section transversale (13) de sortie d'air, de l'air secondaire est inductible et un débit volumétrique mixte constitué de l'air primaire et de l'air secondaire est susceptible d'être désinfecté dans le système de désinfection (21).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément porteur (22) est orienté de manière allongée et à la transversale d'une direction d'écoulement (20) du premier débit volumétrique d'air susceptible d'être guidé au-dessus de la plaque de support (4).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par un système échangeur d'air (27) thermiquement couplé avec la plaque de support (4) et susceptible d'être traversé par un fluide caloporteur.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'au moins un élément porteur (22) est susceptible d'être soutenu au moyen d'au moins un élément de soutien (24) sur la plaque de support (4) et / ou sur le système échangeur d'air (27) .
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la source de rayonnement UV-C (23) comporte au moins une diode UV-C, au moyen de laquelle un rayonnement UV-C peut être émis dans une plage de longueur d'onde comprise entre 230 nm et 300 nm, de préférence entre 250 nm et 280 nm.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le deuxième débit volumétrique d'air traverse la plaque de support (4), de préférence à travers une perforation dans la plaque de support (4).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la plaque de support (4) est une plaque métallique perforée, notamment une tôle perforée.
  8. Dispositif selon l'une quelconque des revendications 3 à 7, caractérisé en ce que le système échangeur d'air (27) comporte au moins un tronçon tubulaire qui est placé en forme de méandre ou en forme de harpe, de préférence une section transversale de l'au moins un tronçon tubulaire étant conçue en étant aplatie, notamment ovale et de manière plus préférentielle, un côté aplati de l'au moins un tronçon tubulaire étant relié avec la plaque de support (4) par l'intermédiaire d'un moyen de couplage favorisant la conduction de chaleur dans la plaque de support (4).
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la première section transversale (13) de sortie d'air placée au-dessus de la plaque de support (4) est constituée d'une pluralité de buses (16) et / ou en ce que la deuxième section transversale (29) de sortie d'air est constituée de perforations dans la plaque de support (4), de préférence au-dessus de la deuxième section transversale (29) de sortie d'air étant placé un déflecteur d'air (31, 33) dont l'écart par rapport à la plaque de support (4) décroît dans la direction d'écoulement, de préférence jusqu'à zéro.
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'un écart (35) entre la première section transversale (13) de sortie d'air et une section transversale (36) d'entrée du système de désinfection (21) est compris entre 300 mm et 1500 mm, de préférence entre 400 mm et 1200 mm, de manière plus préférentielle, entre 500 mm et 1000 mm.
  11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'une section transversale d'écoulement du premier débit volumétrique d'air détient la forme d'un rectangle, une longueur du rectangle s'élevant à au moins 3 à 4 fois une hauteur du rectangle.
EP23163081.5A 2022-03-31 2023-03-21 Dispositif pour la ventilation et la régulation de la température d'une pièce Active EP4253850B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022107654.7A DE102022107654A1 (de) 2022-03-31 2022-03-31 Vorrichtung zur Belüftung und Temperierung eines Raumes

Publications (3)

Publication Number Publication Date
EP4253850A1 EP4253850A1 (fr) 2023-10-04
EP4253850B1 true EP4253850B1 (fr) 2024-07-03
EP4253850C0 EP4253850C0 (fr) 2024-07-03

Family

ID=87805631

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Application Number Title Priority Date Filing Date
EP23163081.5A Active EP4253850B1 (fr) 2022-03-31 2023-03-21 Dispositif pour la ventilation et la régulation de la température d'une pièce

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EP (1) EP4253850B1 (fr)
DE (1) DE102022107654A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020105495U1 (de) * 2020-09-25 2022-01-07 BÄRO GmbH & Co. KG Luftreinigungsvorrichtung und Verwendung einer solchen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6855295B2 (en) 2000-07-17 2005-02-15 John C. Kulp UV air cleaning and disinfecting system
DE102005038199A1 (de) 2004-08-31 2006-03-02 Manfred Grimm Vorrichtung zur Klimatisierung eines Raumes, insbesondere Deckenpaneel oder Deckensegel
DE102007008019B4 (de) 2007-02-15 2018-11-15 Krantz Gmbh Luftauslass
DE102010001319A1 (de) 2010-01-28 2011-08-18 YIT Germany GmbH, 80992 Luftdurchlass mit einem Gehäuse sowie ein Deckensegel mit Luftdurchlass
DE102016111195A1 (de) 2016-06-20 2017-12-21 Caverion Deutschland GmbH Heiz- und Kühlsegel mit mindestens einem Ventilator
JP6335419B2 (ja) 2016-08-26 2018-05-30 木村工機株式会社 空気式誘引放射ユニット
US11332573B2 (en) 2016-12-28 2022-05-17 Go Fan Yourself, Llc Combination built-in air flow mechanism and LED kill chamber
DE102017125131A1 (de) 2017-10-26 2019-05-02 Krantz Gmbh Luftverteilvorrichtung sowie Verfahren zur Belüftung eines Raumes
DE102020119225B3 (de) 2020-07-21 2021-10-14 Henry Landers Vorrichtung zur Desinfektion von Luft in Innenräumen
DE102020120655A1 (de) 2020-08-05 2022-02-10 Nova Solutions GmbH Raumluft-Desinfektionsvorrichtung, sowie abgehängte Decke eines Aufenthaltsraums und Verfahren zum Betrieb

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020105495U1 (de) * 2020-09-25 2022-01-07 BÄRO GmbH & Co. KG Luftreinigungsvorrichtung und Verwendung einer solchen

Also Published As

Publication number Publication date
DE102022107654A1 (de) 2023-10-05
EP4253850A1 (fr) 2023-10-04
EP4253850C0 (fr) 2024-07-03

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