EP3153767B1 - Beleuchtungsvorrichtung und zugehöriges verfahren - Google Patents

Beleuchtungsvorrichtung und zugehöriges verfahren Download PDF

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Publication number
EP3153767B1
EP3153767B1 EP16192210.9A EP16192210A EP3153767B1 EP 3153767 B1 EP3153767 B1 EP 3153767B1 EP 16192210 A EP16192210 A EP 16192210A EP 3153767 B1 EP3153767 B1 EP 3153767B1
Authority
EP
European Patent Office
Prior art keywords
channel
shaped cavity
lighting device
pin
gasket
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
Application number
EP16192210.9A
Other languages
English (en)
French (fr)
Other versions
EP3153767A1 (de
Inventor
Fabrizio Cacchione
Alessio SAGLIOCCO
Antonio Favretto
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
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Filing date
Publication date
Application filed by Osram GmbH, Osram SpA filed Critical Osram GmbH
Publication of EP3153767A1 publication Critical patent/EP3153767A1/de
Application granted granted Critical
Publication of EP3153767B1 publication Critical patent/EP3153767B1/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
    • 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
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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

Definitions

  • the description relates to lighting devices.
  • One or more embodiments may find application in swivelling, e.g. recessed, lighting devices.
  • the current market offers various luminaires, e.g. adapted to be recessedly mounted in a plaster ceiling or in another support surface, comprising at least a swivelling portion so as to vary the projection direction of the light radiation.
  • Examples of such devices comprise the device sold under the trade designation OSRAM Ledvance Downlight M by companies of the same group of the Applicants, or the lighting device sold under the trademark Coreline by companies of the Philips group.
  • Some of these solutions may be based e.g. on the use of swivelling joints including so-called “blind” rivets, i.e. rivets which are inserted between the fixed support part and a pivoting part carrying the light radiation source, and which are subsequently closed by a rivet gun; this provides both swivelling between the parts and a certain relative pressure, which keeps both parts at a given mutual orientation.
  • blind rivets
  • Documents such as DE 10 2005 031 173 A1 or DE 102 16 761 are generally representative of the prior art.
  • Document WO2015/147653 A1 discloses a downlight assembly comprising a support device for releasable connection to a ceiling element and having a socket support element for a socket; said socket being configured for receiving a lamp and a socket locking member is configured to at least partly encompass the socket so as to maintain the socket in a fixed position relative to the socket support element.
  • Document US 7 320 533 B1 discloses an in-ground, or "well light", fixture comprising a hollow cylindrical housing with an angled end and an flat end, a lamp assembly easily mounted at either end, and a baffle.
  • the lamp assembly is rotatably and vertically adjustable within the housing and either the angled end or the flat end may be placed upward by virtue of a pair of channels extending down the length of the housing.
  • One or more embodiment aim at satisfying such needs.
  • said object may be achieved thanks to a device having the features set forth in claim 1 that follows.
  • One or more embodiments may also concern a corresponding method.
  • One or more embodiments may provide lighting devices having a reduced number of parts, especially as regards the swivelling mechanism, therefore making manufacturing and assembling easier in industrial productions.
  • One or more embodiments may thus provide a lighting device with a reduced cost.
  • One or more embodiments may enable mounting the device without the use of tools.
  • One or more embodiments may employ, within the swivelling mechanism of the device, an elastomeric gasket, such as a rubber gasket, which unites softness, with the consequent possibility of undergoing deformations without breaking, and a certain friction (which is normally higher than achievable with other plastic materials or metals), so as to maintain the desired orientation of the device.
  • an elastomeric gasket such as a rubber gasket, which unites softness, with the consequent possibility of undergoing deformations without breaking, and a certain friction (which is normally higher than achievable with other plastic materials or metals), so as to maintain the desired orientation of the device.
  • reference 10 denotes on the whole a luminaire.
  • the luminaire may be consist in a so called “spotlight", adapted to be e.g. recessedly mounted in a plaster ceiling or another support structure, not visible in the drawings.
  • device 10 may comprise a support body 12 (shown separately in Figure 2 ) and a body 14 adapted to act as a carrier body for an electrically-powered light radiation source L, such as a solid-state source, e.g. a LED source.
  • an electrically-powered light radiation source L such as a solid-state source, e.g. a LED source.
  • Source L is schematically shown in dashed lines only in Figure 1 .
  • Source L which may comprise either a single or plural sources, may be mounted within body 14 according to criteria known in themselves, which therefore do not require a more detailed explanation herein.
  • support body 12 may have a peripheral flange 12a, adapted to abut against the contour of an opening e.g. provided in a support surface, such as a plaster ceiling (not visible in the drawings).
  • body 12 may alternatively have an open annular structure, and/or a shape other than circular, e.g. a square or polygonal shape.
  • body 14 adapted to carry light radiation source L.
  • both bodies 12 and 14 may be connected via a pivoting mechanism, so that the source carrier body 14, i.e. the body 14 carrying source L, may be tilted (i.e. swivelled) about a pivot axis X 24 (see for example Figures 2 and 5 ) adapted to extend in a transverse direction (e.g. diametrally) to support body 12.
  • the source carrier body 14 i.e. the body 14 carrying source L
  • a pivot axis X 24 see for example Figures 2 and 5
  • a transverse direction e.g. diametrally
  • said pivoting (or hinging) mechanism may comprise a pair of pin formations 16, extending from body 14 in opposite positions, so that they may engage corresponding cavities 18 which are provided, once again in opposite positions, on the internal surface of body 12.
  • cavities 18 may have a general channel-like shape, which opens in a direction opposed to the front end of body 12, i.e. at the end wherefrom the emission of light radiation takes place.
  • front end is identified by flange 12a.
  • the pivot mechanism that enables body 14 (and the light radiation source L carried thereon) to swivel with respect to support body 12 about axis X 24 may be implemented by causing pin formations 16 to engage cavities 18 (see e.g. Figure 5 , which exemplifies a possible final mounting condition of device 10), the pins 16 being "captured", i.e. retained, within the annular structure of cavities 18.
  • said cavities may have, on the internal surface thereof, projecting reliefs 180 (see especially Figures 2 and 5 ) adapted to bring about said capture mechanism of pins 16 into cavity 18.
  • cavities 18 may have an intermediate shrunk portion or neck, i.e. a "waisted" shape with a generally channel-shaped profile, a mouth portion gradually narrowing towards the bottom of the channel-like cavity in the area of projections 180 and then widening again in the area of bottom portion of cavity 18, such bottom portion being adapted to have a general cylindrical configuration (i.e. a circular cross-section profile centred around axis X 24 ).
  • a gasket 160 of elastomeric material (e.g. a natural or artificial rubber material) may be fitted (e.g. by being co-molded thereon) onto pins 16.
  • gasket 160 may have a generally cylindrical shape, and/or may be strengthened in its coupling position on respective pin 16 e.g. by providing a complementary sculpturing 162a on the external surface of pin 16 and on the internal surface of gasket 160.
  • such sculpturing 162a may take the form of a (e.g. axial) toothing provided on the external surface of pin 16 and on the internal surface of gasket 160.
  • gasket(s) 160 may have further formations 162b extending on the surface of body 14 (e.g. on the internal surface of body 14 itself), so as to bring about a firm anchoring of gasket 160 with respect to body 14, while countering possible relative movements.
  • the elastomeric (e.g. rubber) material of gaskets 160 may indeed have softness features, so as to make gaskets 160 easily deformable without breaking, while at the same time exhibiting a suitable friction coefficient with the walls of cavities 18.
  • gaskets 160 may be taken advantage of in order to implement the mounting mechanism of device 10 (i.e. the coupling between bodies 12 and 14) exemplified by the sequence of Figures 3 to 5 .
  • Figure 3 shows an initial position, wherein bodies 12 and 14 are mutually approached by aligning pins 16 (with gaskets 160) with the mouth portions of cavities 18.
  • a relative movement may be carried out (see e.g. Figure 4 ) in order to axially compenetrate bodies 12 and 14 (e.g. body 14 may be pushed into body 12) by advancing pins 16 into cavities 18.
  • Such advancing movement may bring about the elastic deformation (shrinkage) of gaskets 160 when they pass through the shrunk part defined by projections 180 of the side walls of cavities 18, and may be considered as completed once the condition of Figure 5 has been reached, the pins 16 having advanced within cavities 18 beyond the shrunk part defined by projections 180 and gaskets 160, which have expanded again, substantially contacting the internal surface of the bottom portion of each cavity 18.
  • the friction coefficient (given by the elastomeric material of gasket 180) is sufficient to maintain the coupling condition of body 14 and body 12, as well as a relative tilting imparted thereto with respect to the hinging axis X 24 , corresponding to a desired tilting of body 14 with respect to body 12.
  • said frictional countering of both the relative movement of extraction of pin 16 from the corresponding receiving cavity 18 and the relative rotation of pin 16 with respect to the corresponding receiving cavity 18 may be overcome, thus offering both a quick and easy disassembling of device 10 and, especially, a regulating action, e.g. exerted by manually acting on body 14, adapted to vary, according to needs, the relative tilting position of body 14 with respect to body 12, i.e. the direction in which the light radiation of source L is projected.
  • a regulating action e.g. exerted by manually acting on body 14 adapted to vary, according to needs, the relative tilting position of body 14 with respect to body 12, i.e. the direction in which the light radiation of source L is projected.
  • one or more embodiments may feature, in addition to the elements already explained with reference to the structure and shape of bodies 12 and 14, alternative implementations with respect to the embodiments exemplified in the Figures.
  • the hinging mechanism of body 14 and body 12 may be implemented according to solutions partially complementary to what exemplified in the Figures, i.e. by inverting the relative position of at least one pin 16 and the corresponding cavity 18, i.e. by arranging at least one pin 16 on the internal surface of body 12 and the corresponding cavity (or cavities) 18 on the external surface of body 14, e.g. in such a way that such cavity or cavities 18 open towards the front end of device 10 and not on the opposed side, as exemplified in the Figures.
  • gasket 160 instead of being coupled (e.g. co-molded) on the external surface of pins 16, may be arranged (e.g. once again co-molded) on the internal surface of cavities 18.
  • the coupling of pins 16 with cavities 18, wherever they may be arranged, via the interposition of gaskets 160 as exemplified herein, may also be established on a single side of the hinging mechanism enabling the relative tilting of bodies 12 and 14 about axis X 24 .
  • bodies 12 and 14 may be made of moldable materials, e.g. plastic materials (adapted to be co-molded with elastomeric materials such as rubber materials) and/or lightweight metals.
  • either or both bodies 12 and 14 may be comprised of materials having heat dissipation properties, so as to facilitate the dissipation towards the outside of the heat produced by light radiation source L in operation.
  • light radiation source L may in itself not be included in the embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (10)

  1. Beleuchtungsvorrichtung, beinhaltend
    - einen ringförmigen Trägerkörper (12),
    - einen Quellenträgerkörper (14), zum Tragen einer Lichtstrahlungsquelle (L), und
    - einen Gelenkmechanismus des Quellenträgerkörpers (14) zu dem Trägerkörper (12), wodurch der Quellenträgerkörper (14) mit Bezug zu dem Trägerkörper (12) um eine Querachse (x24) des Trägerkörpers (12) kippbar ist, wobei der Gelenkmechanismus gegenüberliegende Stiftformationen (16) beinhaltet, die in komplementären Hohlräumen (18) aufgenommen werden, wobei:
    - zumindest einer der Hohlräume (18) ein kanalförmiger Hohlraum mit einem unteren Abschnitt mit einem kreisförmigen Querschnittsprofil ist, welches um die Querachse (x24) zentriert ist, wobei eine der Stiftformationen (16) in dem kanalförmigen Hohlraum (18) zurückgehalten wird, und
    - eine Dichtung (160) aus einem elastomeren Material, die zwischen den kanalförmigen Hohlraum (18) und die Stiftformation (16), die darin zurückgehalten wird, eingesetzt ist, um eine relative Bewegung der Stiftformation (16) mit Bezug zu dem kanalförmigen Hohlraum (18) reibend entgegenzutreten, indem sowohl der relativen Bewegung der Extraktion der Stiftformation (16) aus dem kanalförmigen Hohlraum (18) als auch der relativen Rotation der Stiftformation (16) mit Bezug zu dem kanalförmigen Hohlraum (18) reibend entgegengetreten wird.
  2. Beleuchtungsvorrichtung nach Anspruch 1, wobei der kanalförmige Hohlraum (18) einen geschrumpften Abschnitt (180) beinhaltet, um die Stiftformation (16) in dem kanalförmigen Hohlraum (18) zurückzuhalten.
  3. Beleuchtungsvorrichtung nach Anspruch 1 oder Anspruch 2, wobei der kanalförmige Hohlraum (18) in dem Trägerkörper (12) mit der Stiftformation (16), die darin zurückgehalten und durch den Quellenträgerkörper (14) getragen wird, gebildet ist.
  4. Beleuchtungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, wobei die Dichtung (160) aus einem elastomeren Material durch die Stiftformation (16) getragen wird, die in dem kanalförmigen Hohlraum (18) zurückgehalten wird.
  5. Beleuchtungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, wobei die Dichtung (160) eine ringförmige Dichtung aus einem elastomeren Material beinhaltet, vorzugsweise angepasst an die Stiftformation (16), die in dem kanalförmigen Hohlraum (18) zurückgehalten wird.
  6. Beleuchtungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, wobei die Dichtung (160) aus einem elastomeren Material eine gemeinsam geformte Dichtung ist, vorzugsweise bereitgestellt mit Formationen (162a, 162b), um einer Verschiebung davon entgegenzutreten.
  7. Beleuchtungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, einschließlich eines vorderen Endes (12a) zum Emittieren einer Lichtstrahlung und wobei der kanalförmige Hohlraum (16) ein offenes Ende aufweist, welches von dem vorderen Ende (12a) der Beleuchtungsvorrichtung (10) wegweist.
  8. Beleuchtungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, wobei das elastomere Material ein Gummimaterial beinhaltet.
  9. Beleuchtungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, einschließlich eines Paares der kanalförmigen Hohlräume (18), die jeweilige Stiftformationen (16) aufweisen, die darin zurückgehalten werden, mit jeweiligen Dichtungen (160) aus einem elastomeren Material, welche zwischen die kanalförmigen Hohlräume (18) und die Stiftformationen (16) eingesetzt sind, um zurückgehalten zu werden, um einer relativen Bewegung der Stiftformationen (16) mit Bezug zu den kanalförmigen Hohlräumen (18) reibend entgegenzutreten.
  10. Verfahren zum Zusammensetzen einer Beleuchtungsvorrichtung gemäß irgendeinem der Ansprüche 1 bis 9, wobei das Verfahren beinhaltet eine relative Bewegung des Quellenträgerkörpers (14) mit Bezug zu dem Trägerkörper (12) zu produzieren, indem die eine der Stiftformationen (16) in den kanalförmigen Hohlraum (18) vorgeschoben wird, indem die Dichtung (160) aus einem elastomeren Material deformiert wird und durch Fortführen des Vorschiebens bis die eine der Stiftformationen (16) in der Kanalform des kanalförmigen Hohlraums (18) erfasst ist, indem sie darin zurückgehalten wird.
EP16192210.9A 2015-10-05 2016-10-04 Beleuchtungsvorrichtung und zugehöriges verfahren Not-in-force EP3153767B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB20154167 2015-10-05

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EP3153767A1 EP3153767A1 (de) 2017-04-12
EP3153767B1 true EP3153767B1 (de) 2018-12-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1030111S1 (en) 2018-11-27 2024-06-04 West Coast Imports, Inc. Circular light
US12022819B2 (en) 2023-04-24 2024-07-02 West Coast Imports, Inc. Flashlight with an electronic insect control system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020147579A1 (zh) * 2019-01-14 2020-07-23 欧普照明股份有限公司 一种灯具主体、面环及照明装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216761B4 (de) 2002-04-02 2007-07-19 Siteco Beleuchtungstechnik Gmbh Leuchte mit reibschlüssig befestigtem Leuchtenbauteil und zugehöriges Leuchtenbauteil
DE50302213D1 (de) * 2003-03-04 2006-04-06 Bae Ro Gmbh & Co Kg Einbauleuchte für den Einbau in eine abgehängte Decke oder dergleichen
DE102005031173B4 (de) 2005-07-04 2008-04-30 Siteco Beleuchtungstechnik Gmbh Leuchte mit Schwenkvorrichtung
US7320533B1 (en) * 2006-03-03 2008-01-22 Beadle Joshua Z In ground lighting fixture with adjustable lamp
CN202281145U (zh) * 2011-11-03 2012-06-20 何仕友 万向天花灯
CN106764721B (zh) * 2013-02-21 2019-07-12 佛山市威得士灯饰电器有限公司 灯具
NO20140403A1 (no) * 2014-03-28 2015-09-29 Sg Armaturen As Downlightsammenstilling

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1030111S1 (en) 2018-11-27 2024-06-04 West Coast Imports, Inc. Circular light
US12022819B2 (en) 2023-04-24 2024-07-02 West Coast Imports, Inc. Flashlight with an electronic insect control system

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