EP2410236B1 - Ceiling luminaire - Google Patents
Ceiling luminaire Download PDFInfo
- Publication number
- EP2410236B1 EP2410236B1 EP11173785.4A EP11173785A EP2410236B1 EP 2410236 B1 EP2410236 B1 EP 2410236B1 EP 11173785 A EP11173785 A EP 11173785A EP 2410236 B1 EP2410236 B1 EP 2410236B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- ceiling
- acoustic
- room
- ceiling light
- 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.)
- Not-in-force
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0088—Ventilating systems
- F21V33/0092—Ventilating systems with heating or cooling devices
Definitions
- the invention relates to a ceiling lamp according to the preamble of claim 1.
- Office spaces generally include false ceilings, arranged on the one hand between the ceiling, usually composed of a concrete slab, and on the other hand the room, comprising the components of the offices.
- the false ceilings mainly allow the support of the lighting, and the acoustic correction of the room, to avoid unpleasant echoes. They also hide the connections of different office components.
- False ceilings form a barrier between the ceiling and the room, so that the thermal inertia of the ceiling, which would keep a cool room in summer and a relatively warm room in winter, is obscured.
- the invention proposes to overcome at least one of these disadvantages.
- the invention has many advantages.
- the ceiling light is thus inexpensive and ecological. It meets the standards of positive energy buildings, and has a bioclimatic design, using in particular the thermal inertia of the ceiling concrete slab, which is a passive system.
- the ceiling lamp includes an acoustic corrector to meet the standards of HQE ("High Environmental Quality"), and the requirements of the report of the acoustic study office LASA (Laboratory of Application of Acoustic Sciences).
- HQE High Environmental Quality
- LASA Laboratory of Application of Acoustic Sciences
- the ceiling lamp 1 mainly comprises a housing 11 intended to be fixed at a distance I from a ceiling 10 of a part 12, thanks to rods 110.
- the ceiling 10 is very preferably composed of a concrete slab, or any other material having a high thermal inertia, to keep a cool room in summer and a relatively warm room in winter.
- the room 12 includes the components of a desk, such as office furniture.
- the ceiling lamp 1 comprises a lamp 2 placed in the housing 11.
- the housing 11 thus conventionally comprises an opening 111 on one side towards the part 12, to leave the lamp 2 visible, so that it can illuminate the part 12.
- the lamp 2 may for example have a power of 30 to 50 W and an illuminance of 150 to 350 lux, and meets the conventional safety standards.
- the ceiling lamp 1 also advantageously comprises a multi-function detector 5 placed in the housing 11, for example at the level of the opening 111.
- the detector 5 comprises for example the presence detection function, to enable the automatic switching on and off of the lamp 2, depending on the presence or absence of a user in the room 12, and / or the function detection of brightness, to enable the control of the level of illumination of the part 12 according to a setpoint.
- the ceiling lamp 1 further comprises an acoustic corrector 4 placed in the housing 11, to avoid unpleasant echoes in the room 12, in particular because of the ceiling 10 apparent.
- the design of the corrector 4 is known to those skilled in the art and is not described in detail in the remainder of this description. It is simply stated that the acoustic corrector 4 is designed to meet the standards of HQE ("High Environmental Quality") and the requirements of the report of the acoustic study office LASA (Laboratory of Application of Acoustic Sciences).
- the acoustic corrector 4 preferably comprises an acoustic veil 41 and nonwoven fibers 42, for absorbing the acoustic waves.
- the acoustic veil 41 is in the form of a piece of fabric, thus making it possible to absorb the acoustic waves.
- An acoustic wave is essentially absorbed when it encounters a porous material, such as a fabric.
- the fibers 42 are in the form of a mineral wool, to absorb the waves acoustic.
- the mineral wool may for example have a thickness of 50 mm and a density of 30 kg / m 3 .
- the housing 11 is perforated, preferably on its side facing the room 12.
- An acoustic wave is in fact essentially absorbed when it encounters a perforated material.
- the housing can be advantageously perforated on all sides.
- Table 1 shows the Sabine ⁇ absorption coefficients of the ceiling lamp 1, for different acoustic frequencies.
- the absorption coefficient ⁇ Sabine characterizes the degree of sound absorption of a material for a certain band, determining the amount of acoustic energy absorbed.
- the Sabine coefficient ⁇ represents the ratio of the acoustic energy absorbed to the incident acoustic energy (it has no unit). The coefficient makes it possible to compare the performances of different materials: - if the coefficient tends to 1, this means that the wall of the material has absorbed all the energy, and nothing is reflected; the material is absorbent; if the coefficient tends to 0, this means that the wall of the material has reflected all of the energy, and that nothing is absorbed; the material is reverberant.
- Table 1 Frequencies (Hz) 125 250 500 1000 2000 4000 Absorption coefficients ⁇ Sabine 0.42 0.88 1.36 1.44 1.37 1.07
- the weighted ⁇ Sabine absorption coefficient of the ceiling lamp is 0.6.
- the ceiling lamp 1 further comprises a heater 3 placed in the housing 11.
- the heater 3 comprises a circuit 31 for circulating water forming a radiant layer covering the major part of the main surface of the ceiling lamp 1, except of course the space in front of the opening 111, as shown in FIG. figure 6 .
- the efficiency of the heating is thus greatly increased.
- the heating may for example provide a heat energy of about 150 W.
- the circuit 31 is for example made of polypropylene tubes, for example U-shaped and about 3 mm internal diameter, to provide a pressure in operation of about 3 bars.
- the fibers 42 are placed on one side of the housing 11 towards the ceiling 10, and the heater 3 is placed on one side of the housing 11 towards the part 12 to be heated.
- the veil 41 is preferably placed between the housing 11 and the heater 3, to hide the heater 3 and the fibers 42.
- the veil 41 is dark in color, so that a user does not distinguish the veil 41 through the perforations of the housing 11.
- the power supply system and the water supply system are placed in the ceiling 10, concealed from the viewpoint of a user by the housing 11, but easy to access for maintenance, thanks in particular to the rods 110.
- the power supply system of the lamp 2 is streamlined to be sealed, to prevent short circuit in case of leakage of the circuit 31 of the heater 3.
- the perforation rate of the housing 11 is between 1% and 25%.
- the diameter of the perforations is advantageously less than 2.5 mm.
- the housing has for example for dimensions 2m long, 1 m wide, and 6cm thick.
- the distance I is for example 24cm.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Building Environments (AREA)
Description
L'invention concerne un plafonnier selon le préambule de la revendication 1.The invention relates to a ceiling lamp according to the preamble of
Les espaces de bureaux comportent en général des faux-plafonds, disposés d'une part entre le plafond, composé en général d'une dalle de béton, et d'autre part la pièce, comportant les composants des bureaux.Office spaces generally include false ceilings, arranged on the one hand between the ceiling, usually composed of a concrete slab, and on the other hand the room, comprising the components of the offices.
Les faux-plafonds permettent principalement le support de l'éclairage, et la correction acoustique de la pièce, pour éviter les échos désagréables. Ils permettent également de cacher les connexions des différents composants des bureaux.The false ceilings mainly allow the support of the lighting, and the acoustic correction of the room, to avoid unpleasant echoes. They also hide the connections of different office components.
Ils présentent cependant des inconvénients.However, they have disadvantages.
Les faux-plafonds forment une barrière entre le plafond et la pièce, de sorte que l'inertie thermique du plafond, qui permettrait de garder une pièce fraîche en été et une pièce relativement chaude en hiver, est occultée.False ceilings form a barrier between the ceiling and the room, so that the thermal inertia of the ceiling, which would keep a cool room in summer and a relatively warm room in winter, is obscured.
Il est alors nécessaire de placer un système de climatisation supplémentaire dans le faux-plafond. Or le système de climatisation est onéreux, sujet aux pannes, et peu écologique.It is then necessary to place an additional air conditioning system in the false ceiling. But the air conditioning system is expensive, subject to breakdowns, and unecological.
Il est également en général nécessaire de disposer un système de chauffage dans la pièce, encombrant et peu esthétique.It is also generally necessary to have a heating system in the room, bulky and unattractive.
Une solution est proposée dans le document
L'invention propose de pallier au moins un de ces inconvénients.The invention proposes to overcome at least one of these disadvantages.
A cet effet, on propose selon l'invention un plafonnier selon la revendication 1.For this purpose, it is proposed according to the invention a ceiling lamp according to
L'invention est avantageusement complétée par les caractéristiques des revendications 2 à 6, prises seules ou en une quelconque de leur combinaison techniquement possible.The invention is advantageously completed by the features of
L'invention présente de nombreux avantages.The invention has many advantages.
Du fait de la suppression du faux-plafond, il n'y a plus de barrière entre le plafond et la pièce, de sorte que l'inertie thermique du plafond, permettant de garder une pièce fraîche en été et une pièce relativement chaude en hiver, est parfaitement disponible pour la pièce.Due to the suppression of the false ceiling, there is no longer a barrier between the ceiling and the room, so that the thermal inertia of the ceiling, to keep a cool room in summer and a relatively warm room in winter , is perfectly available for the room.
Il n'est alors plus nécessaire de disposer un système de climatisation supplémentaire dans la pièce. Le plafonnier est ainsi peu onéreux et écologique. Il répond notamment aux normes des bâtiments à énergie positive, et présente une conception bioclimatique, en utilisant notamment l'inertie thermique de la dalle de béton du plafond, qui est un système passif.It is no longer necessary to have an additional air conditioning system in the room. The ceiling light is thus inexpensive and ecological. It meets the standards of positive energy buildings, and has a bioclimatic design, using in particular the thermal inertia of the ceiling concrete slab, which is a passive system.
Il intègre un chauffage dans son boîtier, peu encombrant et esthétique.It incorporates a heater in its case, compact and aesthetic.
Le plafonnier comporte un correcteur acoustique permettant de répondre aux normes des marques HQE (« Haute Qualité Environnementale »), et aux exigences du rapport du bureau d'études acoustiques LASA (Laboratoire d'Application des Sciences Acoustiques).The ceiling lamp includes an acoustic corrector to meet the standards of HQE ("High Environmental Quality"), and the requirements of the report of the acoustic study office LASA (Laboratory of Application of Acoustic Sciences).
D'autres caractéristiques, buts et avantages de l'invention ressortiront de la description qui suit, qui est purement illustrative et non limitative, et qui doit être lue en regard des dessins annexés sur lesquels :
- les
figures 1 et2 représentent respectivement une vue en perspective et en coupe d'un plafonnier selon l'invention, dans une pièce ; - les
figures 3 et4 représentent respectivement des vues en coupes selon les lignes III-III et IV-IV de lafigure 5 ; - la
figure 5 est une vue de face d'un plafonnier selon l'invention ; et - la
figure 6 est une vue de face d'un chauffage d'un plafonnier selon l'invention.
- the
figures 1 and2 respectively represent a perspective view in section of a ceiling lamp according to the invention, in a room; - the
figures 3 and4 respectively represent sectional views along the lines III-III and IV-IV of thefigure 5 ; - the
figure 5 is a front view of a ceiling lamp according to the invention; and - the
figure 6 is a front view of a heating of a ceiling lamp according to the invention.
Sur l'ensemble des figures, les éléments similaires portent des références numériques identiques.In all the figures, similar elements bear identical reference numerals.
Les figures de la demande représentent schématiquement un mode de réalisation possible d'un plafonnier 1 selon l'invention.The figures of the application schematically represent a possible embodiment of a
Le plafonnier 1 comporte principalement un boîtier 11 destiné à être fixé à une distance I d'un plafond 10 d'une pièce 12, grâce à des tiges 110.The
Le plafond 10 est très préférentiellement composé d'une dalle de béton, ou tout autre matériau présentant une grande inertie thermique, permettant de garder une pièce fraîche en été et une pièce relativement chaude en hiver.The
Comme le montre plus précisément la
Le plafonnier 1 comporte une lampe 2 placée dans le boîtier 11.The
Le boîtier 11 comporte ainsi classiquement une ouverture 111 sur un côté vers la pièce 12, pour laisser apparent la lampe 2, pour qu'elle puisse éclairer la pièce 12.The
La lampe 2 peut par exemple avoir une puissance de 30 à 50 W et une illuminance de 150 à 350 lux, et répond aux normes classiques de sécurité.The
Le plafonnier 1 comporte en outre avantageusement un détecteur 5 multifonction, placé dans le boîtier 11, par exemple au niveau de l'ouverture 111.The
Le détecteur 5 comporte par exemple la fonction de détection de présence, pour permettre la mise en marche et l'arrêt automatiques de la lampe 2, en fonction de la présence ou non d'un utilisateur dans la pièce 12, et/ou la fonction de détection de luminosité, pour permettre l'asservissement du niveau d'éclairement de la pièce 12 en fonction d'une consigne.The
Le plafonnier 1 comporte en outre un correcteur acoustique 4 placé dans le boîtier 11, pour éviter les échos désagréables dans la pièce 12, notamment du fait du plafond 10 apparent.The
La conception du correcteur 4 est connue de l'homme du métier et n'est pas décrite en détail dans la suite de la présente description. On précise simplement que le correcteur 4 acoustique est conçu pour répondre aux normes des marques HQE (« Haute Qualité Environnementale ») et aux exigences du rapport du bureau d'études acoustiques LASA (Laboratoire d'Application des Sciences Acoustiques).The design of the
A cet effet, le correcteur 4 acoustique comporte préférentiellement un voile 41 acoustique et des fibres 42 non tissées, permettant d'absorber les ondes acoustiques.For this purpose, the
Selon l'invention, le voile 41 acoustique se présente sous la forme d'une pièce de tissu, permettant ainsi d'absorber les ondes acoustiques. Une onde acoustique est en effet essentiellement absorbée lorsqu'elle rencontre un matériau poreux, comme un tissu. Les fibres 42 se présentent sous la forme d'une laine minérale, pour absorber les ondes acoustiques. La laine minérale peut par exemple avoir une épaisseur de 50 mm et une densité de 30 kg/m3.According to the invention, the
Pour encore renforcer la correction acoustique, le boîtier 11 est perforé, préférentiellement sur son côté tourné vers la pièce 12. Une onde acoustique est en effet essentiellement absorbée lorsqu'elle rencontre un matériau perforé. Le boîtier peut être avantageusement perforé sur tous ses côtés.To further enhance the acoustic correction, the
Le tableau 1 montre les coefficients d'absorption α de Sabine du plafonnier 1, pour différentes fréquences acoustiques.Table 1 shows the Sabine α absorption coefficients of the
De manière connue de l'homme du métier, le coefficient d'absorption α de Sabine caractérise le degré d'absorption acoustique d'un matériau pour une certaine bande, en déterminant la quantité d'énergie acoustique absorbée. A cet effet, le coefficient α de Sabine représente le rapport de l'énergie acoustique absorbée à l'énergie acoustique incidente (il ne possède pas d'unité). Le coefficient permet de comparer les performances de différents matériaux :
- si le coefficient tend vers 1, cela signifie que la paroi du matériau a absorbé la totalité de l'énergie, et que rien n'est réfléchi ; le matériau est absorbant ;
- si le coefficient tend vers 0, cela signifie que la paroi du matériau a réfléchi la totalité de l'énergie, et que rien n'est absorbé ; le matériau est réverbérant.
- if the coefficient tends to 1, this means that the wall of the material has absorbed all the energy, and nothing is reflected; the material is absorbent;
if the coefficient tends to 0, this means that the wall of the material has reflected all of the energy, and that nothing is absorbed; the material is reverberant.
Le coefficient d'absorption α Sabine pondéré du plafonnier est de 0,6.The weighted α Sabine absorption coefficient of the ceiling lamp is 0.6.
Le plafonnier 1 comporte en outre un chauffage 3 placé dans le boîtier 11.The
Préférentiellement, le chauffage 3 comporte un circuit 31 de circulation d'eau formant une nappe radiante recouvrant la majeure partie de la surface principale du plafonnier 1, hormis bien entendu l'espace en face de l'ouverture 111, comme le montre la
Le circuit 31 est par exemple constitué de tubes en polypropylène, par exemple en forme de U et d'environ 3 mm de diamètre intérieur, pour assurer une pression en fonctionnement de 3 bars environ.The
Comme le montre plus précisément la
Dans le cas avantageux où le boîtier 11 est perforé mais non uniquement dans ce cas, le voile 41 est préférentiellement placé entre le boitier 11 et le chauffage 3, pour cacher le chauffage 3 et les fibres 42. Dans ce cas également, le voile 41 est de couleur sombre, afin qu'un utilisateur ne distingue pas le voile 41 au travers des perforations du boîtier 11.In the advantageous case where the
Le système d'alimentation électrique et le système d'alimentation en eau sont placés dans le plafond 10, cachés au regard d'un utilisateur par le boîtier 11, mais faciles d'accès pour la maintenance, grâce notamment aux tiges 110.The power supply system and the water supply system are placed in the
Le système d'alimentation électrique de la lampe 2 est caréné pour être étanche, pour éviter tout court-circuit en cas de fuite du circuit 31 du chauffage 3.The power supply system of the
Pour ne pas affecter le rendement du chauffage 3, le taux de perforation du boîtier 11 est compris entre 1% et 25%. Le diamètre des perforations est avantageusement inférieur à 2,5 mm.In order not to affect the efficiency of the
Les figures montrent à titre d'exemple des dimensions possibles pour le plafonnier. Principalement, le boîtier a par exemple pour dimensions 2m de longueur, 1 m de largeur, et 6cm d'épaisseur. La distance I est par exemple de 24cm.The figures show by way of example possible dimensions for the ceiling lamp. Mainly, the housing has for example for dimensions 2m long, 1 m wide, and 6cm thick. The distance I is for example 24cm.
Claims (6)
- A ceiling light (1) including a housing (11) intended to be attached at a distance (I) from a ceiling (10) of a room (12), including- a lamp (2)- an acoustic corrector (4), and- a heating element(3)placed in the housing (11),
the ceiling light being characterized in that- the acoustic corrector (4) includes acoustic fleece (41), being in the form of a piece of fabric, and non-woven fibers (42), and in that- the fibers (42) are placed on one side of the housing (11) towards the ceiling (10),- the heating element (3) is placed on one side of the housing (11) towards the room (12), the fleece (41) being placed between the housing (11) and the heating element (3). - The ceiling light (1) according to claim 1, further including a multifunction detector (5) placed in the housing (11).
- The ceiling light (1) according to one of claims 1 or 2, wherein- the acoustic fleece (41) is in the form of a piece of fabric, and- the fibers (42) are in the form a mineral wool.
- The ceiling light (1) according to one of claims 1 to 3, wherein the heating element (3) includes a circuit (31) for circulating water forming a radiative layer.
- The ceiling light (1) according to one of claims 1 to 4, wherein the housing (11) is perforated, preferentially on its side turned towards the room (12).
- The ceiling light (1) according to claim 5, wherein the perforation level of the housing is comprised between 1 % and 25 %.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1055955A FR2963082B1 (en) | 2010-07-21 | 2010-07-21 | CEILING |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2410236A1 EP2410236A1 (en) | 2012-01-25 |
EP2410236B1 true EP2410236B1 (en) | 2017-04-05 |
Family
ID=43608133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11173785.4A Not-in-force EP2410236B1 (en) | 2010-07-21 | 2011-07-13 | Ceiling luminaire |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2410236B1 (en) |
FR (1) | FR2963082B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT515422B1 (en) * | 2014-09-18 | 2015-09-15 | Redwell Manufaktur Gmbh | Light and heat radiator |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2715449A (en) * | 1949-12-12 | 1955-08-16 | Carl W Lemmerman | Combined lighting and sound absorbing fixture |
US3301163A (en) * | 1964-07-13 | 1967-01-31 | Pyle National Co | Coffer type ventilating ceiling structure |
GB1180607A (en) * | 1966-05-16 | 1970-02-04 | Tranter Mfg Inc | Thermal Transfer Ceiling Structure |
FR2516127A1 (en) * | 1981-11-12 | 1983-05-13 | Jcdc | Suspended thermally insulating ceiling assembly - comprises panels extending between metal beams of inverted omega-shaped cross=section |
FR2560257B1 (en) * | 1984-02-23 | 1986-07-25 | Acoform | MODULAR CEILING WITH INCORPORATED LIGHTING |
DE4004210A1 (en) * | 1989-03-03 | 1990-09-27 | Adam Jakob | Air-conditioning light fitting e.g. for computerised office - has housing surface projection less than effective heat transfer surface area |
FI891687A (en) * | 1989-04-10 | 1990-10-11 | Halton Oy | FOERFARANDE VID RUMSVENTILATION OCH RUMSVENTILATIONSANORDNING. |
DE4423281A1 (en) * | 1994-07-05 | 1996-01-11 | Schmitt Juergen | Suspended ceiling |
DE29504558U1 (en) * | 1995-03-17 | 1996-07-18 | Kohler, Daniel, Dipl.-Architekt, 12045 Berlin | Ceiling clothing for rooms |
FI4708U1 (en) * | 2000-08-18 | 2000-11-23 | Abb Installaatiot Oy | Hardware for arranging technical functions in a room |
DE102005038199A1 (en) * | 2004-08-31 | 2006-03-02 | Manfred Grimm | Space e.g. roof panel of roof sail, air-conditioning device, has heating body integrated into device, where both warm and cold liquid pass through body, so that it contributes to both heating and cooling of air of space |
DE102008003673A1 (en) * | 2008-01-09 | 2009-07-16 | Manfred Grimm | Arrangement with lighting function and climate function |
DE102008026504A1 (en) * | 2008-05-26 | 2009-12-03 | Nimbus Group Gmbh | Extensive extended sound absorber board i.e. baffle, for use at ceiling of working place of office, has illumination device extended along narrow side and provided with multiple LEDs, which radiate into room |
-
2010
- 2010-07-21 FR FR1055955A patent/FR2963082B1/en not_active Expired - Fee Related
-
2011
- 2011-07-13 EP EP11173785.4A patent/EP2410236B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
FR2963082A1 (en) | 2012-01-27 |
EP2410236A1 (en) | 2012-01-25 |
FR2963082B1 (en) | 2014-11-14 |
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