EP2803909B1 - Leuchte zum Einbau und zur Befestigung durch Druck durch eine Verkleidungswand - Google Patents

Leuchte zum Einbau und zur Befestigung durch Druck durch eine Verkleidungswand Download PDF

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Publication number
EP2803909B1
EP2803909B1 EP14168050.4A EP14168050A EP2803909B1 EP 2803909 B1 EP2803909 B1 EP 2803909B1 EP 14168050 A EP14168050 A EP 14168050A EP 2803909 B1 EP2803909 B1 EP 2803909B1
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EP
European Patent Office
Prior art keywords
luminaire
wall
free end
intended
spring
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
EP14168050.4A
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English (en)
French (fr)
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EP2803909A1 (de
Inventor
Jean-Laurent HOUOT
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.)
Lucibel SA
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Lucibel SA
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Publication of EP2803909A1 publication Critical patent/EP2803909A1/de
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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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
    • F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
    • F21V21/044—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues
    • F21V21/046—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues being tensioned by rotation of parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a luminaire, intended to be recessed and maintained by pressure through a wall cladding such as a false ceiling.
  • 100 recessed luminaires such as the one illustrated in figure 1 , comprise a main body 102, generally bordered by a bearing wall (not visible) intended to abut against a side of a wall 104 of dressing, such as a false ceiling. They also comprise return means, such as a spring 106 in the form of a rod, arranged to abut against the other side of the cladding wall, so that the latter is sandwiched between the return means, pressing against one side of this wall, and the bearing surface, pressed against the other wall. The pressure exerted by the biasing means thus keeps the luminaire in place.
  • return means such as a spring 106 in the form of a rod
  • recessed luminaires The installation of recessed luminaires is traditionally done by inserting them in a hole in their dimension formed in the wall of false ceiling. During this insertion, the installer must hold with his fingers the return means in a position in which these return means allow the insertion of the luminaire in the hole of the cladding wall. When the return means are passed to the other side of the cladding wall, the installer releases the return means which are pressed violently against the non-visible side of the cladding wall, in order to maintain the luminaire in square.
  • the violent return of the return means against the cladding wall may have a deleterious effect of damage to the cladding wall.
  • This damage can occur either at the time of impact or over time, due to the constant pressure exerted by these return means.
  • the spring can penetrate gently into the cladding wall due to this constant pressure.
  • the damage caused can be apparent from the inside of the room in which the cladding wall is located, so that it is then necessary to replace it. Obviously, if the problem is repeated often, it can cause significant costs.
  • an overmoulded sheath is intended to prevent the spring rod from damaging the main body or the support wall of the luminaire in the event that the spring is inadvertently violently folded against this main body or this wall. of support, this avoids in particular flaking the paint and exposing the light consequently to a risk of rust.
  • the overmolded sheath of a softer material than that of the main body or the support wall, which is intended to suffer damage in case of impact.
  • this overmolded sheath has a protective function of the luminaire, but does not absorb the kinetic energy resulting from the displacement of the spring.
  • the overmolded sheath can penetrate into this cladding wall and damage it.
  • the present invention aims to overcome all or part of these disadvantages by proposing a luminaire, intended to be recessed and held by pressure through a casing wall, such as a false ceiling, this luminaire preventing any risk of damage. damage to this cladding wall.
  • the document WO 2011/104258 A2 discloses an integrated lamp comprising a base body and a dome-shaped reflector.
  • the lamp comprises lamp holding arms in a cladding wall with free ends provided with elements which increase the friction.
  • the document US 2011/0080733 discloses a lamp comprising a base body and arms with free ends for holding the lamp in the cladding wall. Each free end includes a buffer member.
  • the subject of the present invention is a luminaire, intended to be recessed and maintained by pressure through a casing wall having a hole and two opposite faces, of which a first face and a second face, the luminaire comprising a main body, a bearing wall extending laterally from the main body, the bearing wall being intended to bear against the first face, and two springs attached to the main body, the springs each having a free end extending laterally relative to the main body, above the support wall, each spring exerting a return action tending to move its free end towards the support wall to grip the cladding wall with the support wall, characterized in that the luminaire comprises, attached to the free end of each spring, a deformable damping member intended to bear against the second face under the action of the spring, deforming in contact with the second face to absorb the kinetic energy resulting from the displacement of the free end of the spring.
  • the recessed luminaire according to the invention offers the advantage of preventing any risk of damage to the cladding wall in which the luminaire is recessed, thanks to the damping member arranged on each spring to dampen the impact. by kinetic energy absorption.
  • the damping member comprises a connecting portion for reattaching the damping member to the free end of the spring and, under the attachment portion, a portion of deformation intended to settle between a rest position in which the deformation portion is deployed, and a bearing position in which the deformation portion is compressed towards the connecting portion. portion of deformation is compressed towards the connecting portion.
  • This characteristic offers the advantage of a progressive decrease in the pressure exerted by the torsion springs on the second face, the crushing of the deformation portion ensuring the absorption of kinetic energy.
  • the deformation portion has a lateral wall extending from the attachment portion, the side wall being intended to deform radially when the deformation portion is crushed between the rest position and the support position.
  • the side wall provides both a resistance to the force exerted by the spring to slow and immobilize, while damping the impact on the second side of the cladding wall.
  • the deformation portion comprises, at one end of the lateral wall, a bearing surface intended to bear against the second face, the surface of the bearing surface in contact with the second face being intended to increase gradually between the moment of the impact with the second face and that of the immobilization of the free end.
  • the bearing surface spreading over the second surface of the covering portion, gradually increases the area in contact with the second face. But the larger the surface, the lower the pressure.
  • the deformation portion has, on the bearing surface, a damping groove.
  • This damping groove provides better damping, by increasing the contact surface at the moment of impact, taking into account the hemicylindrical shape of the deformation portion.
  • the free end has two substantially parallel rod portions, each rod portion being arranged above a side wall of the deformation portion.
  • each rod portion being arranged in the continuity of the hemicylindrical deformation portion.
  • Each rod portion extends one side of the deformation portion.
  • the deformation portion provides more resistance to deformation.
  • the deformation portion delimits with the attachment portion an opening cavity whose volume is intended to decrease substantially between the rest position and the support position, in order to dampen the impact.
  • the cavity or hollow interior volume promotes a shortening of the distance between the bearing surface of the deformation portion and the connecting portion at the moment of impact, for better damping.
  • the cavity has a calibrated opening orifice to allow a gradual leakage of the air contained in the cavity at the moment of impact.
  • the deformation portion delimits with the attachment portion a closed cavity filled with a fluid.
  • the fluid contained in the damping member slows the settlement of the deformation portion at the moment of impact in order to make the damping more progressive.
  • the fluid may be a gas, for example air, or a gel or other liquid.
  • the deformation portion is elastic.
  • the deformation portion tends to return to its original shape before impact, and therefore exerts an action opposing that of the spring, so that the deformation portion allows a deformation effect. rebound decreasing the intensity of the impact on the cladding wall to better preserve it.
  • the deformation portion may be substantially hemicylindrical.
  • the deformation portion may be substantially spherical.
  • the figure 2 shows a luminaire 1 according to one embodiment of the invention.
  • the luminaire 1 is intended to be recessed and maintained by pressure through a casing wall 50 having a hole intended for the insertion of the luminaire 1, and two opposite faces, of which a first face 52 and a second face 54 It will be noted that the luminaire may correspond to a recessed spot.
  • the wall 50 covering can be a slab false ceiling. More generally, the covering wall 50 may correspond to a plate-shaped element intended to dress the interior of a building. By plate is meant an element whose thickness is negligible compared to other dimensions (length, width).
  • the luminaire 1 comprises a main body 2, a support wall 4 extending laterally from the main body 2, and two springs 6 attached to the main body 2.
  • the main body 2 which may be of substantially frustoconical shape, comprises a substantially circular outlet opening, through which the light emitted by a light source, such as one or more light-emitting diodes, escapes in the main body 2 so to illuminate an underlying space.
  • a light source such as one or more light-emitting diodes
  • An optic may be arranged in the exit aperture.
  • the support wall 4 is intended to bear against the first face 52 of the wall 50 of dressing. It may extend around the periphery of the main body 2, all around it, extending radially relative to the main body 2, in particular around the outlet opening.
  • the support wall 4 can thus forming a substantially circular collar around the outlet opening of the luminaire 1.
  • the springs 6 may correspond to hairpin springs. They each have a free end 6a, which can be formed by a substantially U-shaped folded rod having two substantially parallel rod portions, the free end 6a extending laterally with respect to the main body 2, above the wall 4 support. Each spring 6 exerts a return action tending to move the free end 6a towards the bottom, to fold down the free end 6a, in the form of a rod, in the direction of the support wall 4, for example in a rotational movement descending relative to the main body 2. The springs 6 thus make it possible to grip the cladding wall 50 with the support wall 4 in order to hold the luminaire 1 in place in the hole of the cladding wall 50.
  • the springs 6 may correspond to torsion springs, and to this end comprise a spiral portion 6b from which their free end 6a extends, the spiral portion having a portion fixed to the main body 2.
  • the springs 6, here two in number, can be arranged diametrically opposite.
  • the luminaire 1 may comprise a positioning wall 8, extending substantially perpendicularly from the support wall 4. This positioning wall 8 may be intended to bear against the edge of the hole formed in the wall 50 of covering to prevent lateral displacement of the luminaire 1 in the wall 50 dressing.
  • the luminaire 1 may also include a heat sink 10 extending at the rear of the main body 2.
  • the luminaire 1 comprises, attached to the free end 6a of each spring 6, a deformable damping member 12 intended to bear against the second face 54 of the wall 50 covering under the action of each spring 6, deforming in contact with the second face 54 to absorb the kinetic energy resulting from the displacement of the free end 6a of each spring 6.
  • Each damping member 12 is arranged to prevent contact between the springs 6 and the second face 54 of the cladding wall 50 when the luminaire 1 is put in place.
  • Each damping member 12 may be of polymeric material, such as rubber, natural or synthetic, or silicone.
  • each damping member 12 here comprises a portion 14 of attachment to the free end 6a of the spring and, under the portion 14 of attachment, a deformation portion 16, which may be substantially tubular.
  • the deformation portion 16 is interposed between the free end 6a of the corresponding spring 6 and the second face 54.
  • the deformation portion 16 is intended to settle between a rest position in which the deformation portion 16 is deployed, and a bearing position in which the deformation portion 16 is compressed in the direction of the portion 14 of attachment.
  • the portion 14 of attachment may comprise a deformable fitting housing 18, opening on a slot-shaped opening and intended to receive by insertion into this opening the free end 6a of the corresponding spring 6.
  • the deformation of the housing 18 due to the insertion of the free end 6a ensures the maintenance by friction of the latter in the housing 18.
  • the portion 14 of attachment can also be fixed, overmolded or clipped on the free end 6a of the corresponding spring 6.
  • the deformation portion 16 may have a lateral wall 17 extending from the connecting portion 14, the lateral wall 17 being intended to deform radially when the deformation portion 16 is crushed between the rest position and the support position. .
  • the deformation portion 16 may have a bearing surface 20 intended to abut against the second face 54.
  • the deformation portion 16 is shaped to deform so that the surface of the bearing surface 20 in contact with the second face increases between the moment of the impact with the second face 54 and that of the immobilization of the free end 6a, as is more particularly represented on the figure 3 .
  • the deformation of the deformation portion 16 may be substantially radial, so that the deformation portion 16 crushes with spreading of the bearing surface on the second face 54.
  • the portion 16 of deformation may advantageously be elastic.
  • the deformation portion 16 delimits with the portion 14 of attachment a cavity 22, or a hollow interior volume, intended to sag at the moment of impact.
  • the cavity 22 is to be understood to mean a decrease in the height h of the cavity 22, this height h being able to correspond substantially to the distance between the portion 14 of attachment and the part of the deformation portion 16 furthest from the portion 14 of attachment.
  • the cavity 22 thus promotes a shortening of the distance between the bearing surface 20 of the deformation portion 16 and the connecting portion 14 at the moment of impact, for better damping.
  • the cavity 22 may optionally be closed and filled with a fluid.
  • the fluid may be air or a liquid.
  • closed volume is meant non-communicating volume with the outside.
  • the cavity 22 has an orifice (not shown) opening calibrated to allow a progressive leakage of a fluid contained in the cavity at the moment of impact.
  • the deformation portion 16 is substantially tubular, for example semicylindrical.
  • the free end 6a can then have two substantially parallel rod portions, each rod portion being arranged in the continuity of the semicylindrical side wall of the deformation portion 16, as illustrated in FIG. figure 5 .
  • each rod portion extends one of the sides or side wall 17 of the deformation portion 16, for a better transmission of forces.
  • the deformation portion 16 has a damping groove 24 on the bearing surface.
  • This damping groove 24 may extend over the part of the support surface farthest from the portion 14 of attachment. It can extend substantially parallel to the direction in which the portion 16 of hemicylindrical deformation extends.
  • the deformation portion 16 could be substantially spherical.
  • the deformation portion 16 could correspond at least in part to a ball or a sphere.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vibration Prevention Devices (AREA)

Claims (9)

  1. Leuchte (1), die bestimmt ist, durch Druck durch eine Verkleidungswand (50), die eine Öffnung und zwei gegenüberliegende Flächen, darunter eine erste Fläche (52) und eine zweite Fläche (54), eingebaut und befestigt zu sein, wobei die Leuchte (1) einen Hauptkörper (2), eine Stützwand (4), die sich seitlich ab dem Hauptkörper (2) erstreckt, wobei die Stützwand (4) bestimmt ist, sich auf der ersten Fläche (52) abzustützen, und zwei mit dem Hauptkörper (2) verbundene Federn (6) umfasst, wobei die Federn (6) jeweils ein freies Ende (6a) aufweisen, das sich im Verhältnis zum Hauptkörper (2) seitlich über der Stützwand (4) erstreckt, wobei jede Feder (6) eine Rückholwirkung ausübt, die bewirkt, dass sich ihr freies Ende (6a) in Richtung der Stützwand (4) bewegt, um die Verkleidungswand (50) mit der Stützwand (4) in den Schraubstock zu nehmen, wobei die Leuchte (1), mit dem freien Ende (6a) jeder Feder (6) verbunden, ein verformbares Dämpfungsorgan (12) umfasst, das bestimmt ist, sich unter der Wirkung der Feder (6) auf der zweiten Fläche (54) abzustützen, indem es sich im Kontakt mit der zweiten Fläche (54) verformt, um die kinetische Energie zu absorbieren, die aus der Verlagerung des freien Endes (6a) der Feder (6) resultiert, dadurch gekennzeichnet, dass das Dämpfungsorgan (12) einen Verbindungsabschnitt (14) umfasst, um das Dämpfungsorgan (12) mit dem freien Ende (6a) der Feder (6) zu verbinden, und, unter dem Verbindungsabschnitt (14), einen Verformungsabschnitt (16), der bestimmt ist, sich zwischen einer Ruhestellung, in welcher der Verformungsabschnitt (16) entfaltet ist, und einer Stützposition, in welcher der Verformungsabschnitt (16) in Richtung des Verbindungsabschnitts (14) komprimiert ist, zusammenzudrücken.
  2. Leuchte (1) nach Anspruch 2, dadurch gekennzeichnet, dass der Verfoimungsabschnitt (16) eine Seitenwand (17) aufweist, die sich ab dem Verbindungsabschnitt (14) erstreckt, wobei die Seitenwand (17) bestimmt ist, sich radial zu verformen, wenn der Verfoimungsabschnitt (16) zwischen der Ruheposition und der Stützposition zusammengedrückt ist.
  3. Leuchte (1) nach Anspruch 3, dadurch gekennzeichnet, dass der Verformungsabschnitt (16) an einem Ende der Seitenwand (17) eine Stützfläche (20) umfasst, die bestimmt ist, sich auf der zweiten Fläche (54) abzustützen, wobei die Oberfläche der Stützfläche (20) im Kontakt mit der zweiten Fläche (54) bestimmt ist, zwischen dem Moment des Auftreffens auf der zweiten Fläche (54) und dem Moment der Ruhigstellung des freien Endes (6a) nach und nach zuzunehmen.
  4. Leuchte (1) nach vorangehendem Anspruch, dadurch gekennzeichnet, dass der Verformungsabschnitt (16) auf der Stützfläche (20) eine Dämpfungsrille (24) aufweist.
  5. Leuchte (1) nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das freie Ende (6a) zwei etwa parallele Stangenabschnitte aufweist, wobei jeder Stangenabschnitt über einer Seitenwand (17) des Verformungsabschnitt (16) ausgebildet ist.
  6. Leuchte (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verformungsabschnitt (16) mit dem Verbindungsabschnitt (14) einen ausmündenden Hohlraum (22) begrenzt, dessen Volumen bestimmt ist, sich zwischen der Ruheposition und der Stützposition zwecks Dämpfung des Auftreffens spürbar zu verringern.
  7. Leuchte (1) nach vorangehendem Anspruch, dadurch gekennzeichnet, dass der Hohlraum (22) eine ausmündende Öffnung aufweist, die kalibriert ist, um im Augenblick des Auftreffens ein allmähliches Entweichen der in dem Hohlraum (22) vorhandenen Luft zu gestatten.
  8. Leuchte (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verformungsabschnitt (16) mit dem Verbindungsabschnitt (14) einen geschlossenen, mit einem Fluid gefüllten Hohlraum (22) begrenzt.
  9. Leuchte (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verformungsabschnitt (16) elastisch ist.
EP14168050.4A 2013-05-14 2014-05-13 Leuchte zum Einbau und zur Befestigung durch Druck durch eine Verkleidungswand Active EP2803909B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1354329A FR3005716A1 (fr) 2013-05-14 2013-05-14 Luminaire destine a etre encastre et maintenu par pression au-travers d’une paroi d’habillage

Publications (2)

Publication Number Publication Date
EP2803909A1 EP2803909A1 (de) 2014-11-19
EP2803909B1 true EP2803909B1 (de) 2016-04-06

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Application Number Title Priority Date Filing Date
EP14168050.4A Active EP2803909B1 (de) 2013-05-14 2014-05-13 Leuchte zum Einbau und zur Befestigung durch Druck durch eine Verkleidungswand

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Country Link
EP (1) EP2803909B1 (de)
FR (1) FR3005716A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3006419B1 (fr) * 2013-06-03 2015-05-15 Lucibel Sa Luminaire encastrable
CN106949412B (zh) * 2017-04-25 2025-04-15 漳州立达信光电子科技有限公司 一种筒灯固定结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005022033A1 (en) * 2003-08-29 2005-03-10 Koninklijke Philips Electronics N.V. Fixing support, particularly for a recessable luminaire
ATE509234T1 (de) * 2007-10-02 2011-05-15 Axis Ab Halterung für bauteile zur fixierung an einem paneel
US20110080733A1 (en) * 2009-10-01 2011-04-07 Hui-Hsiung Wang Speaker with leds and lampshell
DE202010002676U1 (de) * 2010-02-23 2011-07-26 Zumtobel Lighting Gmbh Einbauleuchte mit Basiskörper und domförmigem Reflektor
GB2480481A (en) * 2010-05-20 2011-11-23 John David Flynn Hole edge protector

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FR3005716A1 (fr) 2014-11-21
EP2803909A1 (de) 2014-11-19

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