EP3236173B1 - Procédé de climatisation d'une pièce - Google Patents

Procédé de climatisation d'une pièce Download PDF

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Publication number
EP3236173B1
EP3236173B1 EP17161026.4A EP17161026A EP3236173B1 EP 3236173 B1 EP3236173 B1 EP 3236173B1 EP 17161026 A EP17161026 A EP 17161026A EP 3236173 B1 EP3236173 B1 EP 3236173B1
Authority
EP
European Patent Office
Prior art keywords
carrier plate
distributing channel
heat exchangers
air
ceiling sail
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
EP17161026.4A
Other languages
German (de)
English (en)
Other versions
EP3236173A1 (fr
Inventor
Claus Schweinheim
Martin Günther Baltes
Sebastian Dechene
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
Application filed by Krantz GmbH filed Critical Krantz GmbH
Publication of EP3236173A1 publication Critical patent/EP3236173A1/fr
Application granted granted Critical
Publication of EP3236173B1 publication Critical patent/EP3236173B1/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/01—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station in which secondary air is induced by injector action of the primary air
    • 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
    • F24F13/26—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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F2013/0612—Induction nozzles without swirl means
    • 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
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling

Definitions

  • the invention relates to a ceiling sail for air conditioning a room, comprising a carrier plate with a length and a width and a distribution channel arranged above the carrier plate, the distribution channel running parallel to a longitudinal axis of the carrier plate and being provided with outlet openings on two opposite sides, so that Supply air flows out of the distribution channel parallel to the carrier plate and perpendicular to the longitudinal axis of the carrier plate on both sides, a heat exchanger being arranged on both sides of the distribution channel and a distance between the carrier plate and the distribution channel and between the carrier plate and the heat exchangers defined free air space above the carrier plate.
  • Ceiling sails are known in many ways and are primarily used to conceal a raw ceiling or building services systems. It is also customary to use ceiling sails for air conditioning rooms, for example by providing them with an air outlet on their upper side.
  • EP 1 382 916 A1 suggests a ceiling sail of the aforementioned type with a distribution channel that is wrapped with a plastic capillary tube mat as a heat exchanger.
  • a ceiling sail is known in the background of the invention, which is composed of a carrier plate with heat exchanger elements attached to it and an air passage arranged on the carrier plate. The air passage is arranged at one end of the support plate and blows supply air through a nozzle along the heat exchanger elements and supply air along the underside of the support plate, so that supply air also enters the room directly
  • DE 103 28 615 A1 discloses a ceiling sail with the features of the preamble of claim 1.
  • a ceiling raft with the features of claim 1. It is provided that the supply air flowing out of the distribution channel induces the room air into the free air space, which then enters the heat exchanger, is tempered and then mixed with the supply air to form a mixed air flow.
  • the distribution channel and the adjacent heat exchangers are thus arranged at a distance from the carrier plate, which can be achieved, for example, by arranging suitable spacers.
  • room air is induced into the free air space below the heat exchanger, which then enters the heat exchanger, is tempered and then mixes with the supply air to form a mixed air flow.
  • This mixed air flow leaves the ceiling sail along its long sides and is directed horizontally and perpendicular to the longitudinal axis of the carrier plate.
  • the carrier plate is elongated and accordingly has a greater length than its width.
  • the air supply is in the middle and in the longitudinal direction of the carrier plate, i.e. also in the longitudinal direction of the ceiling raft.
  • the distance between the carrier plate and the heat exchangers and the distribution channel should advantageously be greater than 50 mm, since this ensures sufficient cooling capacity. More preferably, the distance should be at least 60 mm, more preferably at least 70 mm.
  • the distribution channel can be viewed as a pressure channel that blows out the supply air evenly over its entire length via the outlet openings.
  • the temperature is controlled along the two long sides of the canopy, which increases the effectiveness of the air conditioning enormously.
  • the carrier plate it is advantageous for acoustic reasons if it has perforations or holes, which preferably have a Define free cross-section of approximately 13% to 19%, more preferably 16%.
  • the carrier plate can accordingly be formed by a perforated plate.
  • an acoustic mat can be placed on the perforated plate.
  • the carrier plate is designed as a perforated plate with an acoustic mat, it is possible to combine it with other known ceiling sails, with no visual difference being seen from the inside of the room.
  • a convoluted foam or a foam with a film applied to one side can serve as the acoustic mat.
  • other types of acoustic mats are also conceivable.
  • the distribution channel has a row of spaced-apart outlet openings on its two opposite sides, so that a uniform outflow of supply air over the entire distribution channel and on both sides is ensured.
  • the outlet openings can be designed as round holes, oval holes, slots or other shapes. It is also conceivable to design the outlet openings as nozzles.
  • the outlet openings are arranged above an upper edge of the heat exchangers. In this way, a kind of mixing space is created above the heat exchanger, in which the supply air mixes with the temperature-controlled room air to form mixed air.
  • the heat exchangers preferably extend essentially over the length of the distribution channel.
  • essentially means that the length of the heat exchanger can differ by 10% compared to the length of the distribution channel, both positively and negatively.
  • each spring back from the corresponding longitudinal side of the carrier plate preferably by 15 to 25% of the width of the carrier plate. This creates a free space in the area above the side edges of the carrier plate in which the mixed air flows. This prevents back induction of the mixed air. Furthermore, the return is a Achieved easier secondary air flow.
  • the recess of the heat exchangers is also advantageous in terms of optics, since the viewing angle is flatter and the heat exchangers are therefore less visible.
  • the distance between the carrier plate and the distribution channel is smaller than the distance between the carrier plate and the heat exchangers.
  • a fan is arranged in the distribution channel or in a connection piece connected to it, by means of which supply air is advanced, a pressure channel is created in a simple manner.
  • the carrier plate When viewed in a projection, is advantageously 10 to 30% longer than the distribution channel on both sides, the length of the carrier plate being the reference variable.
  • the distribution channel and the heat exchangers are accommodated in a common housing and form an induction unit. This is particularly helpful for assembling the canopy.
  • the room air is tempered by the heat exchanger before it enters a mixing room.
  • the mixing room does not have to be a delimited room, rather it also means an area.
  • a ceiling sail 1 is shown in a cross section, from which the basic structure of the same can be clearly seen.
  • the ceiling sail 1 which is attached to a ceiling (not shown) of a room R, has a support plate 2 which is elongated and thus has a longer length L and a shorter width B.
  • a longitudinal axis 3 of the carrier plate 2 is in the Figure 2 indicated by a dashed line 4.
  • the carrier plate 2 is folded up in a C-shape all the way around its edges and thus has a peripheral web 5.
  • a rectangular distribution channel 9 is arranged, which is fed with air via an air inlet connection piece 10.
  • the supply air can be primary air in the form of outside air.
  • a row of outlet openings 12 spaced apart from one another is provided on both longitudinal sides 11 of the carrier plate 2.
  • the outlet openings 12 can be formed by induction nozzles.
  • a heat exchanger 13 is provided on both sides of the distribution channel 9.
  • the heat exchangers 13 have a height h which corresponds to only about half the height H of the distribution channel 9, so that the supply air flowing out through the outlet openings 12 only comes into fluidic contact with the top of the heat exchanger 13.
  • a flow through the heat exchanger 13 through the supply air is not provided.
  • the heat exchangers 13 can be copper-aluminum heat exchangers.
  • the heat exchangers 13 and the distribution channel 9 are arranged in a common housing 14 and in this way form an induction unit 15 a top of the housing 14 is wider than a bottom thereof.
  • the induction unit 15 is arranged by means of spacers (not shown in the figure) so that there is a distance a between the underside of the induction unit 15, i.e. the underside of the distribution channel 9 and the two heat exchangers 13, and the carrier plate 2.
  • the induction unit 15 is accordingly arranged on a plane which corresponds approximately to the plane of an upper side of the webs 5. This is indicated by a dashed line 6 in FIG Figure 1 shown. If the dashed line 6 is included in the analysis, the result of the support plate 2 with its webs 5 is a channel 8 which is open in the area of the lines 6 and into which room air is induced.
  • the carrier plate 2 consists either of an essentially air-impermeable material, such as sheet metal, or of a perforated plate with an acoustic mat lying on it.
  • the distance a corresponds to the clear height of the free air space 7 and in the present case is 60 mm, but can vary depending on the application. A modification of the distance a is possible at any time in that the spacers, not shown in the figure, on which the induction unit 15 comes to rest, are correspondingly exchanged.
  • the Indian Figure 1 The cross section shown clearly shows that the width B of the carrier plate 2 is greater than a maximum width b of the induction unit 15 on its upper side.
  • the induction unit 15 jumps back relative to the carrier plate 2, the distance A from a longitudinal side 11 of the carrier plate 2 to an upper edge side 20 of the housing 14 being approximately 20% of the width B of the carrier plate 2.
  • the distance A ′ from the longitudinal side 11 of the carrier plate 2 to a lower edge side 21 of the housing 14 is, in contrast, greater and amounts to approximately 25% of the width B of the carrier plate 2.
  • FIG. 2 A plan view of the ceiling sail 1 is shown, from which it can be seen that the induction unit 15, which is composed of the distribution channel 9, the two heat exchangers 13 and the housing 14, extends over a large part of the length L of the carrier plate 2.
  • the length of the induction unit 14 is approximately 90% of the length L of the carrier plate 2, the induction unit 14 springing back by approximately 5% at both ends of the canopy 1.
  • the operation of the canopy 1 with induction unit 15 is illustrated by arrows, with an arrow 22 symbolizing the supply air, the arrows 17 pointing to the induction unit 15 the induced room air and the arrows 19 pointing away from the induction unit 15 the mixed air flowing into the room R.
  • the ceiling sail 1 shown is fastened in three places by means of suitable fastening means 23 to a ceiling of the room R, not shown. If the length L of the canopy 1 is less than 2.4 m, it is sufficient to attach the canopy to two places using fasteners. If the length is greater than 2.4 m, three points are required where fasteners to be ordered. The same applies to lengths that exceed 2.4 m accordingly.
  • the Figure 3 shows a side view through the ceiling sail 1, from which in particular the row of outlet openings 12 clearly emerges.

Landscapes

  • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Duct Arrangements (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Claims (10)

  1. Plafond suspendu pour la climatisation d'une pièce, comportant une plaque porteuse (2) d'une longueur (L) et d'une largeur (B) et un canal répartiteur (9) disposé au-dessus de la plaque porteuse (2), le canal répartiteur (9) s'étendant parallèlement à un axe longitudinal (3) de la plaque porteuse (2) et étant pourvu en direction de deux faces opposées d'orifices de sortie (12), de sorte que de l'air d'alimentation s'écoule parallèlement à la plaque porteuse (2) et perpendiculairement à l'axe longitudinal (3) de la plaque porteuse (2) en direction des deux faces hors du canal répartiteur (9), un échangeur de chaleur (13) étant respectivement disposé des deux côtés du canal répartiteur (9), les orifices de sortie (12) du canal répartiteur (9) étant pratiqués au-dessus d'un bord supérieur de l'échangeur de chaleur (13), caractérisé en ce que, entre la plaque porteuse (2) et le canal répartiteur (9) et entre la plaque porteuse (2) et les échangeurs de chaleur (13) il y a une distance (a) qui définit un espace d'air libre (7) au-dessus de la plaque porteuse (2), de sorte que, au moyen de l'air d'alimentation s'écoulant hors du canal répartiteur (9), de l'air ambiant peut être induit dans l'espace d'air libre (7), l'espace d'air libre induit pouvant ensuite être conduit dans les échangeurs de chaleur (13) et y être tempéré, et pouvant ensuite être mélangé avec l'air d'alimentation pour former un flux d'air mélangé.
  2. Plafond suspendu selon la revendication 1, caractérisé en ce que la plaque porteuse (2) est réalisée en une pièce.
  3. Plafond suspendu selon une des revendications 1 ou 2, caractérisé en ce que la plaque porteuse (2) possède des perforations ou des trous qui définissent de préférence une section transversale libre d'environ 13 % à 19 %, plus préférentiellement de 16 %, un tapis acoustique ou un non-tissé acoustique étant de préférence disposé sur la plaque porteuse (2).
  4. Plafond suspendu selon une des revendications 1 à 3, caractérisé respectivement par une série d'orifices de sortie (12) espacés les uns des autres sur les deux faces opposées du canal répartiteur (9).
  5. Plafond suspendu selon une des revendications 1 à 4, caractérisé en ce que les échangeurs de chaleur (13) s'étendent sensiblement sur la longueur (L) du canal répartiteur (9).
  6. Plafond suspendu selon une des revendications 1 à 5, caractérisé en ce que les faces longitudinales de l'échangeur de chaleur (13), considérées dans une projection, sont respectivement en retrait par rapport à la face longitudinale correspondante (11) de la plaque porteuse (2), de préférence à raison de 15 à 25 % de la largeur (B) de la plaque porteuse (2).
  7. Plafond suspendu selon une des revendications 1 à 6, caractérisé en ce que la distance (a) entre la plaque porteuse (2) et le canal répartiteur (9) est inférieure ou égale à la distance entre la plaque porteuse (2) et les échangeurs de chaleur (13).
  8. Plafond suspendu selon une des revendications 1 à 7, caractérisé en ce que l'air d'alimentation est poussé vers l'avant dans le canal répartiteur (9) ou dans une tubulure de raccordement (10) qui lui est raccordée au moyen d'un ventilateur.
  9. Plafond suspendu selon une des revendications 1 à 8, caractérisé en ce que la plaque porteuse (2), dans une projection, est plus longue en direction des deux faces de 10 à 30 % que le canal répartiteur (9), la longueur (L) de la plaque porteuse (2) représentant la dimension de référence.
  10. Plafond suspendu selon une des revendications 1 à 9, caractérisé en ce que le canal répartiteur (9) et les échangeurs de chaleur (13) sont logés dans un boîtier commun (14) et forment une unité d'induction (15).
EP17161026.4A 2016-04-20 2017-03-15 Procédé de climatisation d'une pièce Active EP3236173B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016102082.4U DE202016102082U1 (de) 2016-04-20 2016-04-20 Deckensegel

Publications (2)

Publication Number Publication Date
EP3236173A1 EP3236173A1 (fr) 2017-10-25
EP3236173B1 true EP3236173B1 (fr) 2021-02-17

Family

ID=55967557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17161026.4A Active EP3236173B1 (fr) 2016-04-20 2017-03-15 Procédé de climatisation d'une pièce

Country Status (2)

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EP (1) EP3236173B1 (fr)
DE (1) DE202016102082U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016111195A1 (de) * 2016-06-20 2017-12-21 Caverion Deutschland GmbH Heiz- und Kühlsegel mit mindestens einem Ventilator
PL243607B1 (pl) * 2020-01-13 2023-09-18 Adamski Bartlomiej Indukcyjny panel klimatyzacyjny

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596509A5 (en) * 1975-05-15 1978-03-15 Luwa Ag Air conditioning plant heat exchanger
FI119127B (fi) * 2002-06-28 2008-07-31 Halton Oy Tuloilmalaite
DE50304714D1 (de) 2002-07-18 2006-10-05 Clina Heiz & Kuehlelemente Wärmeübertrager mit spiralförmig angeordneten Kunststoff-Kapillarrohrmatten und Verfahren zu seiner Anwendung
FI122288B (fi) * 2006-10-03 2011-11-15 Halton Oy Laite huoneilman käsittelyssä
DE102010001319A1 (de) 2010-01-28 2011-08-18 YIT Germany GmbH, 80992 Luftdurchlass mit einem Gehäuse sowie ein Deckensegel mit Luftdurchlass

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3236173A1 (fr) 2017-10-25
DE202016102082U1 (de) 2016-04-26

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