EP3285017B1 - Panneau de plafond radiant chauffant et rafraîchissant comprenant au moins un ventilateur - Google Patents

Panneau de plafond radiant chauffant et rafraîchissant comprenant au moins un ventilateur Download PDF

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Publication number
EP3285017B1
EP3285017B1 EP17171042.9A EP17171042A EP3285017B1 EP 3285017 B1 EP3285017 B1 EP 3285017B1 EP 17171042 A EP17171042 A EP 17171042A EP 3285017 B1 EP3285017 B1 EP 3285017B1
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EP
European Patent Office
Prior art keywords
heating
fan
support plate
cooling
panel according
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
EP17171042.9A
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German (de)
English (en)
Other versions
EP3285017A1 (fr
Inventor
Eckehard Fiedler
Frank Weber
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
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Krantz GmbH
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Publication of EP3285017A1 publication Critical patent/EP3285017A1/fr
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Publication of EP3285017B1 publication Critical patent/EP3285017B1/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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/072—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • 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
    • F24F13/26—Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
    • 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

Definitions

  • the invention relates to a heating and cooling sail, comprising at least one support plate and channels connected to it in a heat-conducting manner, through which a fluid can flow, and at least one fan with an air outlet surface.
  • Cooling sails have been known from the state of the art for some time and are used to dissipate room heat. This is done via the pipes connected to the support plate in a heat-conducting manner, through which water typically flows as a heat transfer medium, with the warm rising room air giving off its heat to the cool water.
  • Cooling sails are often combined with ventilation systems because, in the case of cooling, it is necessary to limit the room humidity to avoid condensation.
  • the airflow to the cooling sails is also influenced by the ventilation systems.
  • the ventilation systems can, for example, include source outlets on the floor, on the wall or on the ceiling.
  • Heating and cooling sails without a connected ventilation system are a system that works purely passively. When cooling occurs, warm room air rises and reaches the sail, where the heat is transferred to the cool fluid carried in the channels. However, the cool air often accumulates above the sail, reducing the cooling effect. When heated, the heat accumulates under the sail, limiting the effectiveness of passive sails.
  • the known device has a housing with a front wall and a rear wall, an interior of the housing being fed with supply air from an air conditioning system. Peltier elements are arranged in the interior of the housing to cool the supply air.
  • WO 2011/091886 A1 describes a ceiling sail with an air outlet, whereby the supply air is deflected by approximately 180° from its introduction into the air outlet to its exit. Flow over the carrier plate occurs via nozzles.
  • the present invention there is a division of the total volume flow leaving the air outlet surface of the fan, which in the case of cooling has the effect that the cool air accumulating above the support plate is actively moved into the room, whereby the cooling effect can be significantly increased.
  • the partial volume flow that runs below the support plate is led directly into the room, which creates the impression of a fresh air supply due to the air movement.
  • the mere fact that both sides of the carrier plate are actively flowed over is advantageous, as this per se increases heat transfer and thus increases the performance of the heating and cooling sail.
  • the guide element is arranged in an area “in front of” the air outlet surface is to be understood as meaning that the guide element is positioned outside the fan.
  • the guide element is located behind the air outlet surface when viewed in the direction of flow, so that the air leaving the fan first passes the air outlet surface before it reaches the guide element.
  • the division of the total volume flow leaving the fan causes the warm air accumulating below the support plate to be actively brought back into the room, which strengthens the heating effect and increases the penetration depth of the warm air towards the floor of the room.
  • the formation of a temperature layer is prevented even without the arrangement of nozzles and an evenly mixed room air is created.
  • the fan is advantageously a free-blowing fan without a housing, so that the overall height of the heating and cooling sail according to the invention remains small. Since the fan is not connected to a primary air supply, it is a pure recirculation system, but is actively operated. The arrangement of the guide element and the resulting subdivision of the volume flow leaving the fan creates a heating and cooling sail with variable application options, which is also characterized by low power consumption and good acoustic properties, since fans with a low pressure increase can be used.
  • the fan is equipped with channels which, starting from the fan, lead to the respective guide element or elements of the individual carrier plates.
  • the air outlet surface of the fan is thus formed by the individual air outlet surfaces of the channels ending in front of the guide element.
  • the guide element can be designed as a simple sheet metal or, for example, as a so-called scoop plate, whereby it can be connected to the carrier plate.
  • the guide element and carrier plate can be connected by gluing, welding, soldering, screwing or in another way.
  • the guide element can also be positioned using other means and can be at a distance from the carrier plate.
  • the width of the guide element should be at least or exactly the width of the air outlet cross section of the fan or all fans.
  • the guide element can also be made of plastic or other materials.
  • the distribution of the total volume flow leaving the air outlet surface can be influenced in such a way that the distribution is influenced by the height up to which the guide element protrudes in relation to the height of the air outlet surface. If the guide element extends exactly to half the height of the air outlet surface, then - assuming equal resistance in both flow paths - there is an exact division of the total volume flow into two equal partial volume flows. Otherwise, the partial volume flows are of different sizes, with the resistances in the respective flow paths also having an influence on the distribution.
  • the distance between an edge of the guide element facing the air outlet surface and the air outlet surface is chosen to be as small as possible. Accordingly, it is conceivable that the guide element is directly adjacent to the air outlet surface and therefore there is a distance of 0 mm. In this case, there is an immediate separation of the total volume flow and the partial volume flow flowing under the carrier plate is optimally guided. If the distance is chosen to be too large, there is a risk that the partial volume flow intended for flow below the carrier plate will not be guided to a sufficient extent and will only partially reach under the carrier plate. In order not to jeopardize the positive effect of the air guidance, the distance should be less than or equal to 200 mm, advantageously less than 100 mm, but better less than 50 mm, more advantageously less than 20 mm.
  • the fan or fans is arranged with a support surface on the support plate, so that the air outlet surface of the fan or fans is located overall above the support plate.
  • the carrier plate itself is sufficiently stable and also sufficiently stable connected to the ceiling, in particular suspended, so that the fan can come to rest on the carrier plate without having to be separately attached to the ceiling.
  • the carrier plate In order to ensure that the partial volume flow emerging from the air outlet cross section below the guide element flows to the underside of the carrier plate, the carrier plate must be at least partially perforated or have an opening, preferably in an area of a projection of the guide element. In this way, the partial volume flow guided below the guide element reaches the underside of the carrier plate via the perforations or the opening and flows along it.
  • the guide element is adjustable with regard to the angle that it forms with the air outlet surface of the fan.
  • the entire volume flow can be divided into different partial volume flows, resulting in different cooling effects or heating effects.
  • the adjustment can be done using a lockable or motor-operated holding element, so that the sail can be individually adapted to a space or load situation.
  • the carrier plate has perforations or holes, which preferably define a free cross section of approximately 10% to 30% of the perforated or holed total area. The entire visible surface or only part of it can be perforated. Furthermore, with regard to acoustics, it can be useful or helpful to provide sound-absorbing elements on or above the support plate. In this way, increased requirements regarding sound insulation can be met. Here It must be structurally ensured that heat transfer from the top of the carrier plate to the ambient air is possible.
  • a particularly preferred embodiment of the invention provides that the at least one fan is a fan with a low pressure increase, which is characterized in that it promotes a high volume flow with very little noise.
  • the power consumption is also very low.
  • a cross-flow fan can be used.
  • Another advantage that results from the aforementioned feature is the very low possible overall height that the heating and cooling sail according to the invention has.
  • the overall height of the fan should be between 20 and 80 mm, which results in an overall overall height of the cooling sail of virtually the same size.
  • the at least one fan is equipped with a speed control. This allows the cooling or heating output of the heating and cooling sail to be varied, which is useful in terms of individual adjustability by the user and thus comfort.
  • At least one cooling register is arranged on the carrier plate in addition to the channels for the heat transfer fluid, an increase in the cooling capacity is made possible and the cooling sail according to the invention can also be used in rooms with high cooling loads.
  • a heating and cooling sail 1 is shown, which is composed of a carrier plate 2 with a length L and a width and a fan 3 arranged on the carrier plate 2. Since a vertical section is shown, the width of the carrier plate 2 cannot be seen. Typically, heating and cooling sails vary in width between 0.6 m and 1.2 m. However, other widths are of course conceivable.
  • the length L of the carrier plate 2 is also in the Figure 1 only indicated, since the heating and cooling sail 1 is not shown in its full length L.
  • the length of heating and cooling sails is also individual and can be between 1 m and 4 m.
  • the carrier plate 2 is provided with meandering channels 4 in which cooling liquid, such as water, is circulated. The carrier plate 2 and the channels 4 are connected to one another in a heat-conducting manner.
  • the fan 3 is a free-blowing fan 3 that has no housing and sucks in room air. Accordingly, it is not connected to a ventilation system, so that the heating and cooling sail 1 according to the invention generates an active recirculation mode.
  • the fan 3 is arranged with a support surface 5 on the support plate 2 and is not in contact with it Figure 1 Fasteners shown connected.
  • the support plate 2 is attached to a ceiling (not shown in the figure) by suspension, as is usual in the prior art, and is in the Figure 1 also not shown. According to the Figure 1 the fan 3 is arranged at a right end of the support plate 2, i.e. on a short side, the support plate 2 having an upstand 6 along this short side.
  • the fan 3 has an air outlet surface 7 from which previously sucked room air flows out again.
  • a guide element 9 is arranged, which runs transversely to the air outlet surface 7 and forms an angle ⁇ of approximately 80 ° with the air outlet surface 7. Accordingly, an angle ⁇ between the carrier plate 2 and the guide element 9 is 20°.
  • a distance a between an edge 10 of the guide element 9 facing the fan 3 and the air outlet surface 7 of the fan 3 is 20 mm.
  • the guide element 9 is firmly connected to the support plate 2 at its edge 10 'facing away from the fan 3, for example via a weld seam, and is therefore not adjustable with regard to the aforementioned angles ⁇ and ⁇ .
  • the arrangement of the guide element 9 causes a volume flow leaving the air outlet surface 7 of the fan 3 to be divided into two partial volume flows, which are indicated in the figure by two arrows 11, 12, with a first, upper partial volume flow (arrow 11) flows above the carrier plate 2 and a second, lower partial volume flow (arrow 12) flows below the carrier plate 2.
  • both sides of the carrier plate 2 are actively ventilated, thereby optimizing heat transfer for cooling or heating.
  • the upper partial volume flow (arrow 11) is guided along the channels 4 containing cool fluid, whereby the heat of the upper partial volume flow (arrow 11) is released to the coolant.
  • the carrier plate 2 is perforated in an area of a projection P of the guide element 9.
  • the carrier plate as a whole can also be provided with a perforation.
  • both the carrier plate 2 and the guide element 9 have a width that corresponds at least to the width of the three fans 3 located next to one another.
  • the heating and cooling sail 1 ' shown points to the heating and cooling sail 1 Figure 1
  • a sound-absorbing element 13 in the form of an acoustic mat is arranged above the support plate 2, so that higher demands on sound insulation can be achieved.
  • the acoustic mat is located at a distance a' from the carrier plate 2 and can, for example, be attached to a ceiling, not shown.
  • acoustic elements can also be arranged directly on the carrier plate 2, whereby these are advantageously only arranged in the area outside the channels 4.
  • the guide element 9 ' according to Figure 2 is not firmly connected to the carrier plate 2 and is adjustable with regard to the angle ⁇ . This can influence the alignment of the partial volume flows (arrows 11, 12) and ultimately also the air conditioning of the room R.
  • FIG. 3 an alternative heating and cooling sail 1" is shown, with a cooling register 14 being arranged on the carrier plate 2 in addition to the channels 4. This allows the temperature control of the upper partial volume flow (arrow 11) to be carried out more intensively.

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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)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (11)

  1. Voile chauffante et rafraîchissante en fonctionnement actif (1, 1', 1'') sous la forme d'un système à circulation d'air comprenant au moins un panneau de support (2) et des conduits (4) reliés de façon thermo-conductrice à celle-ci, qui peuvent être traversés par un fluide, ainsi qu'au moins un ventilateur (3) avec une surface de sortie d'air (7), caractérisée en ce que dans une zone (8) est disposé devant la surface de sortie d'air (7), un élément conducteur (9, 9'), en ce que l'élément conducteur (9, 9') forme un angle (β) avec le panneau de support (2), qui est d'une importance variant entre 3° et 25° et subdivise un débit volumétrique s'écoulant du ventilateur (3) en au moins deux parties de débit volumétrique, dont une partie de débit volumétrique s'écoule au-dessus du panneau de support (2) et une partie de débit volumétrique en dessous du panneau de support (2) et le long de ceux-ci .
  2. Voile chauffante et rafraîchissante selon la revendication 1, caractérisée en ce que la distance (a) entre un bord (10) tourné vers la surface de sortie d'air (7) de l'élément conducteur (9, 9') et la surface de sortie d'air (7) est plus petite ou égale à 200 mm, de préférence avantageuse plus petite que 100 mm, de façon plus préférée plus petite que 20 mm.
  3. Voile chauffante et rafraîchissante selon la revendication 1 ou 2, caractérisée en ce que le ventilateur (3) est disposé avec une surface de montage (5) sur le panneau de support (2).
  4. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le panneau de support (2) est perforé au moins en partie, de préférence dans une zone d'une projection (P) de l'élément conducteur (9, 9') ou possède une ouverture.
  5. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 4, caractérisée en ce que la surface de sortie d'air (7) passe perpendiculairement au panneau de support (2).
  6. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'élément conducteur (9') peut être réglé eu égard à l'angle (a), qu'il forme avec la surface de sortie d'air (7) du ventilateur (3).
  7. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le panneau de support (2) possède des perforations ou des trous, qui définissent de préférence une section libre d'environ 13 % à 19 %, de préférence en plus de 16 % de la surface totale perforée ou trouée.
  8. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'au moins un élément insonorisant (13) est disposé sur ou au-dessus du panneau de support (2).
  9. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'au moins un ventilateur (3) est constitué de préférence sous la forme d'un ventilateur (3) avec une plus faible augmentation de pression, de préférence que le ventilateur à courant transversal.
  10. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'au moins un ventilateur (3) est équipé d'une régulation de vitesse de rotation.
  11. Voile chauffante et rafraîchissante selon l'une quelconque des revendications 1 à 10, caractérisée en ce qu'au moins une batterie de refroidissement (14) est disposée sur le panneau de support (2).
EP17171042.9A 2016-06-20 2017-05-15 Panneau de plafond radiant chauffant et rafraîchissant comprenant au moins un ventilateur Active EP3285017B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016111195.3A DE102016111195A1 (de) 2016-06-20 2016-06-20 Heiz- und Kühlsegel mit mindestens einem Ventilator

Publications (2)

Publication Number Publication Date
EP3285017A1 EP3285017A1 (fr) 2018-02-21
EP3285017B1 true EP3285017B1 (fr) 2024-02-07

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EP17171042.9A Active EP3285017B1 (fr) 2016-06-20 2017-05-15 Panneau de plafond radiant chauffant et rafraîchissant comprenant au moins un ventilateur

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Country Link
EP (1) EP3285017B1 (fr)
DE (1) DE102016111195A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018103628U1 (de) * 2018-06-26 2019-09-27 Krantz Gmbh Vorrichtung zur Belüftung und Temperierung eines Raums eines Gebäudes
FR3108164B1 (fr) * 2020-03-11 2022-03-18 Energie Solaire Sa Panneau rayonnant réversible, permettant la ventilation d’une pièce, système et construction comprenant un tel panneau
DE102022107654A1 (de) 2022-03-31 2023-10-05 Krantz Gmbh Vorrichtung zur Belüftung und Temperierung eines Raumes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011084423A1 (de) * 2011-10-13 2013-04-18 Yit Germany Gmbh Gebäude mit einer Raumdecke sowie Verfahren zur Kühlung des Gebäudes

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Publication number Priority date Publication date Assignee Title
JPH0759993B2 (ja) * 1988-06-30 1995-06-28 株式会社小松製作所 輻射型局所冷房機
DE19826567C2 (de) * 1998-06-15 2002-06-27 Ltg Holding Gmbh Verfahren zum Klimatisieren eines Raumes sowie Einrichtung zum Klimatisieren des Raumes
SE523206C2 (sv) * 1998-11-05 2004-04-06 Teknoterm Climate Ab Luftkonditioneringsanordning för undertaksplacering innefattande värmeväxlare
DE10064939C2 (de) * 2000-12-23 2003-06-26 Ltg Ag Lufttechnische Einrichtung für einen Raum
EP1431675A3 (fr) * 2002-12-13 2004-10-20 Schneider Dämmtechnik AG Dispositif pour la climatision d'un local
EP2096365B1 (fr) * 2008-02-29 2017-10-11 Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Limited Unité de source de chaleur installée dans un bâtiment
DE102010001319A1 (de) * 2010-01-28 2011-08-18 YIT Germany GmbH, 80992 Luftdurchlass mit einem Gehäuse sowie ein Deckensegel mit Luftdurchlass
DE202016102082U1 (de) * 2016-04-20 2016-04-26 Caverion Deutschland GmbH Deckensegel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011084423A1 (de) * 2011-10-13 2013-04-18 Yit Germany Gmbh Gebäude mit einer Raumdecke sowie Verfahren zur Kühlung des Gebäudes

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EP3285017A1 (fr) 2018-02-21
DE102016111195A1 (de) 2017-12-21

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