EP3141798A1 - Beleuchtungsvorrichtung und zugehöriges verfahren - Google Patents

Beleuchtungsvorrichtung und zugehöriges verfahren Download PDF

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Publication number
EP3141798A1
EP3141798A1 EP16187393.0A EP16187393A EP3141798A1 EP 3141798 A1 EP3141798 A1 EP 3141798A1 EP 16187393 A EP16187393 A EP 16187393A EP 3141798 A1 EP3141798 A1 EP 3141798A1
Authority
EP
European Patent Office
Prior art keywords
flexible arms
lighting device
carrier body
source carrier
engagement formations
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.)
Granted
Application number
EP16187393.0A
Other languages
English (en)
French (fr)
Other versions
EP3141798B1 (de
Inventor
Antonio Favretto
Fabrizio Cacchione
Daniele Nascimben
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.)
Osram GmbH
Osram SpA
Original Assignee
Osram GmbH
Osram SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Osram GmbH, Osram SpA filed Critical Osram GmbH
Publication of EP3141798A1 publication Critical patent/EP3141798A1/de
Application granted granted Critical
Publication of EP3141798B1 publication Critical patent/EP3141798B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V21/045—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 translation of parts, e.g. by pushing or pulling
    • 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 description relates to lighting devices.
  • One or more embodiments can relate to lighting devices which can be used for assembling electrically powered light radiation sources, such as for example solid-state light radiation sources such as LED sources.
  • this object can be achieved by a lighting device having the features specified in the claims which follow.
  • One or more embodiments can also relate to a corresponding method.
  • reference numeral 10 denotes a lighting device (luminaire) in its entirety.
  • One or more embodiments may involve a lighting device 10 intended for a recessed installation, for example with the device 10 inserted into an opening O made in a false ceiling S or another assembly surface (as shown by way of example by a dashed line in the top part of figure 1 ).
  • the lighting device 10 may include:
  • the light radiation source L can be an electrically powered light radiation source, such as a solid-state light radiation source, for example an LED source.
  • the source carrier body 14 may include two parts or portions.
  • the first part or portion may be intended for assembly of the light radiation source L (which per se may not be part of one or more embodiments).
  • the part 14a may be in the form of a heat sink: this applies as regards the constituent material (for example a molded plastic material or a metal material with good heat dissipation characteristics) and/or as regards the more or less extensively finned shape, for example.
  • the second part or portion, denoted by 14b and shown on its own in figure 2 may include a structure which can substantially be assimilated with a cage, possibly with the presence of an annular base body 140 (see in this respect figure 2 ), from which a plurality of flexible arms or branches 142 depart, extending for example in a radial direction and in a distal direction (alternatively, in the assembled device 10, towards the front end at which the flange 12a of the body 12 is provided).
  • the arms or branches 142 can be used to connect the cage-like portion 14b (and the source carrier body 14 in its entirety) to the support body 12 in the ways illustrated more clearly hereinbelow.
  • a plurality of teeth 144 may also depart from the annular base body 140, said teeth extending in a generally axial direction and in a proximal direction (alternatively away from the front region where the flange 12a is located) and making it possible to clasp between them the parts 14a and 14b of the source carrier body 14.
  • both the support body 12 and the source body 14 may have a shape which is different to the generally circular (cylindrical) shape shown by way of example here.
  • the support body 12 and/or the source carrier body 14 may have an annular shape, which, instead of being like a closed ring as shown by way of example here, may be in the form of an open ring, this being expedient, for example, for the cage-like part 14b shown in figure 2 .
  • At least the cage-like part 14b of the source carrier body 14 can be made of a material (for example a molded plastic material or a lightweight metal material) such that the arms 142 are flexible (for example elastically deformable) so that they can be folded radially towards the inside of the body 14, as is shown by way of example by the double arrows in figure 4 , in respect of which further details will be discussed hereinbelow.
  • a material for example a molded plastic material or a lightweight metal material
  • the arms 142 are flexible (for example elastically deformable) so that they can be folded radially towards the inside of the body 14, as is shown by way of example by the double arrows in figure 4 , in respect of which further details will be discussed hereinbelow.
  • the distal ends (alternatively the opposing ends with respect to the base body 140) of at least some of the arms 142 may be provided with engagement formations, which can be constituted, for example, by clamp formations 16 that can grasp or clamp (see, for example, figure 3 , corresponding to a view on an enlarged scale of the portion, denoted by the arrow III in figure 2 , of the cage 14b when coupled to the support body 12) respective sections of a rib formation 12b protruding radially from the inner surface of the support body 12.
  • the coupling configuration between the distal ends of the arms 142 and the support body 12 may be entirely or partially complementary with respect to that illustrated here, for example with the provision, on the inner surface of the support body 12, of a gully or groove including respective portions which can clamp internally protruding formations (for example tooth-shaped formations) carried by the distal ends of the arms 142.
  • the bending of the arms 142 which can realize the aforementioned coupling condition may be simplified by organizing the arms 142 in pairs, for example with these pairs being distributed regularly, for example evenly angularly, around the perimeter of the source carrier body 14 (for example of the base body 140 of the cage-like portion 14b),
  • two pairs of arms 142 may be present, arranged in diametrically opposed positions with respect to the angular progression of the source carrier body 14.
  • the arms 142 of each pair can be connected to one another, for example at the distal ends thereof, by wire-like or band-like flexible members 1420, which extend bridge-like between the two arms 142 of the respective pair so as to form, for example, a type of connection bridle for the two arms.
  • the traction members 1420 can be made of a material such as an elastomer material or a plastic material or a metal material (for example spring steel), which can provide said members with flexibility, if need be elastic, properties.
  • the members 1420 can be produced with monostable or bistable equilibrium properties, or else in such a way that they have properties of elastic return towards a rest position (shown by way of example in figures 1 to 3 and again in figures 6 and 7 ) wherein the aforementioned members 1420 are radially mutually spread apart, i.e. along the periphery of the support body 12 into which the source carrier body 14 can be inserted by carrying out the assembly sequence shown schematically by way of example in figures 4 to 7 .
  • This sequence provides for the realization of a (relative) movement of insertion of the source carrier body 14 into the support body 12 performed with the arms 142 held radially contracted with a radial force applied to the traction members 1420 (see once again the arrows reproduced in figure 4 ).
  • the relative insertion movement can be continued until the engagement formations (for example the clamps 16) located at the distal ends of the arms 142 come into alignment with the complementary engagement formations (for example the sections 12b of the inner rib formation) of the body 12.
  • the engagement formations for example the clamps 16
  • the complementary engagement formations for example the sections 12b of the inner rib formation
  • the aforementioned traction force applied to the members 1420 to bring about the radial contraction of the arms 142 can be released in that the arms 142 are spread elastically, making the clamps 16 grip the respective sections of the rib formation 12b, thereby accomplishing a condition of engagement between the engagement formations carried by the arms 142 and the complementary formations of the support body 12 so as to realize the coupling between the body 12 and the body 14.
  • the members 1420 can assume (or directly due to their elasticity, that is on account of the fact that they are brought back into these conditions with a spreading action exerted, for example, with the same fingers which previously gripped the members 1420 between them) the spread-apart condition visible, for example, in figure 6 (and also in figures 1 and 2 ), in which the members 1420 do not protrude towards the inside of the body 12.
  • a reflector 18 such as for example a frustoconical reflector or a parabolic reflector, for example made of molded plastic or metal material, which if appropriate is made or coated in such a way as to be internally light-reflective.
  • the reflector 18 is able to carry clasp formations which permit coupling with the device 10, for example by means of a bayonet-like coupling (axial translation and subsequent rotation) with the proximal or root regions of the arms 142.
  • the source carrier body 14, and possibly the reflector 18 coupled thereto can be made to rotate (including through an angle of 360 ° ) with respect to the support body 12 utilizing the possibility of relative rotation of the complementary engagement formations (clamps 16 and sections of rib formation 12b) of the arms 142 of the source carrier body 14 and of the support body 12.
  • the reflector 18 can be coupled to the body 12.
  • the coupling of the reflector 18 to the rest of the device 10 can be achieved by a coupling which differs from a bayonet-like coupling, for example by means of a screw-type coupling or interference coupling.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP16187393.0A 2015-09-11 2016-09-06 Beleuchtungsvorrichtung und zugehöriges verfahren Not-in-force EP3141798B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A003578A ITUB20153578A1 (it) 2015-09-11 2015-09-11 Dispositivo di illuminazione e corrispondente procedimento

Publications (2)

Publication Number Publication Date
EP3141798A1 true EP3141798A1 (de) 2017-03-15
EP3141798B1 EP3141798B1 (de) 2018-11-14

Family

ID=54884197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16187393.0A Not-in-force EP3141798B1 (de) 2015-09-11 2016-09-06 Beleuchtungsvorrichtung und zugehöriges verfahren

Country Status (2)

Country Link
EP (1) EP3141798B1 (de)
IT (1) ITUB20153578A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH714274A1 (de) * 2017-10-30 2019-04-30 Feller Ag Montageeinrichtung für Elektroinstallationsapparate, Elektroinstallationsapparat, Adapter, Befestigungsplatte und Montageverfahren.
WO2019238632A1 (en) * 2018-06-14 2019-12-19 Signify Holding B.V. Luminaire, mounting kit and mounting method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617946A1 (fr) * 1987-07-08 1989-01-13 Perche Ets Projecteur encastrable d'eclairage
US5868493A (en) 1994-05-02 1999-02-09 Cooper Industries, Inc. Trim retainer
EP1106917A2 (de) * 1999-12-10 2001-06-13 TARGETTI SANKEY S.p.A. Reversibele Befestigungseinrichtung zum Einbauen eines Beleuchtungsgerätes in einem Paneel, insbesondere für eine abgehängte Decke
DE102005032265A1 (de) 2005-07-04 2007-01-25 Siteco Beleuchtungstechnik Gmbh Rastbefestigung von Leuchtenbauteilen
EP2372231A1 (de) 2010-04-01 2011-10-05 Siteco Beleuchtungstechnik GmbH Einbauleuchte mit Reflektorbefestigung
US20140140075A1 (en) * 2012-11-19 2014-05-22 Robert Schmitt Downlight support

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617946A1 (fr) * 1987-07-08 1989-01-13 Perche Ets Projecteur encastrable d'eclairage
US5868493A (en) 1994-05-02 1999-02-09 Cooper Industries, Inc. Trim retainer
EP1106917A2 (de) * 1999-12-10 2001-06-13 TARGETTI SANKEY S.p.A. Reversibele Befestigungseinrichtung zum Einbauen eines Beleuchtungsgerätes in einem Paneel, insbesondere für eine abgehängte Decke
DE102005032265A1 (de) 2005-07-04 2007-01-25 Siteco Beleuchtungstechnik Gmbh Rastbefestigung von Leuchtenbauteilen
EP2372231A1 (de) 2010-04-01 2011-10-05 Siteco Beleuchtungstechnik GmbH Einbauleuchte mit Reflektorbefestigung
US20140140075A1 (en) * 2012-11-19 2014-05-22 Robert Schmitt Downlight support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH714274A1 (de) * 2017-10-30 2019-04-30 Feller Ag Montageeinrichtung für Elektroinstallationsapparate, Elektroinstallationsapparat, Adapter, Befestigungsplatte und Montageverfahren.
WO2019238632A1 (en) * 2018-06-14 2019-12-19 Signify Holding B.V. Luminaire, mounting kit and mounting method
US11156344B2 (en) 2018-06-14 2021-10-26 Signify Holding B.V. Luminaire, mounting kit and mounting method

Also Published As

Publication number Publication date
EP3141798B1 (de) 2018-11-14
ITUB20153578A1 (it) 2017-03-11

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