EP2372231A1 - Lampe encastrée dotée d'une fixation de réflecteur - Google Patents

Lampe encastrée dotée d'une fixation de réflecteur Download PDF

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Publication number
EP2372231A1
EP2372231A1 EP20110159388 EP11159388A EP2372231A1 EP 2372231 A1 EP2372231 A1 EP 2372231A1 EP 20110159388 EP20110159388 EP 20110159388 EP 11159388 A EP11159388 A EP 11159388A EP 2372231 A1 EP2372231 A1 EP 2372231A1
Authority
EP
European Patent Office
Prior art keywords
reflector assembly
mounting ring
reflector
latching
installation direction
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
EP20110159388
Other languages
German (de)
English (en)
Other versions
EP2372231B1 (fr
Inventor
Gottfried Müller
Ludwig Niedermaier
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 SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Publication of EP2372231A1 publication Critical patent/EP2372231A1/fr
Application granted granted Critical
Publication of EP2372231B1 publication Critical patent/EP2372231B1/fr
Active 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
    • 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
    • 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
    • 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
    • F21V7/00—Reflectors for light sources

Definitions

  • the invention relates to recessed luminaires, which include a mounting ring for attachment in a ceiling cutout and a reflector assembly for subsequent mounting in the mounting ring.
  • Recessed luminaires of the type mentioned which are also known as downlights, usually have a closed reflector. Therefore, after the reflector is mounted in the mounting ring, it is no longer readily possible to access the fasteners necessary to hold the reflector in the mounting ring. It is possible to provide latching connections to mount the reflector in the mounting ring. However, this connection can not be solved easily.
  • a recessed downlight known in the form of a downlight.
  • This includes a ceiling mounting ring, which is fixed independently of the reflector in a ceiling cutout.
  • the installation of a reflector in the mounting ring via a kind of bayonet closure is also solvable after the reflector has been mounted.
  • a bayonet lock does not guarantee a secure hold against unintentional loosening, as may occur during cleaning work, for example.
  • This problem has already been partially solved according to the document, in that a spring element is provided between the reflector outer side and the mounting ring, which increases the frictional force which must be overcome for releasing the bayonet closure.
  • Object of the present invention is to provide a recessed light of the type mentioned, which allows to mount the reflector assembly in the mounting ring and dismantle, the construction should be as simple as possible and very easy to handle. Furthermore, the construction should be reliable, so that unintentional release of the reflector assembly is prevented during cleaning.
  • the invention solves the problem by a recessed light comprising a mounting ring and a reflector assembly, the reflector assembly for mounting in an installation direction in the mounting ring is inserted, wherein the mounting ring on an inner locking means, which in the mounted state of the recessed light in each case with opposite locking means cooperate on the outside of the reflector assembly to hold the reflector assembly in the mounting ring opposite to the installation direction in at least one locking position, wherein for disassembly of the reflector assembly from the mounting ring, the locking means of the reflector assembly further along the installation direction on the locking position are movable and are movable laterally to the installation direction, so that the latching means of the reflector assembly disengage from the latching means of the mounting ring and are laterally movable past each other to remove the reflector assembly against the direction of installation.
  • the invention provides for mounting the reflector assembly in the mounting ring locking means which can be solved in a particularly simple manner again from each other, without it being necessary to access the locking means itself.
  • the latching means are guided laterally past one another when the reflector assembly is removed.
  • the locking means must first be disengaged from each other. The disengagement of the locking means is carried out by a movement further in the direction of installation and laterally to the installation direction (ie in a circular mounting ring in a rotary motion).
  • the movement in the installation direction and laterally to the installation direction can take place simultaneously in various embodiments of the invention, ie along a rotational-push movement in the installation direction, or temporally successively, with embodiments are conceivable in which first the lateral rotation or first the linear movement of Reflector assembly takes place in the installation direction.
  • first the lateral rotation or first the linear movement of Reflector assembly takes place in the installation direction.
  • a guide device is provided on the mounting ring and / or on the reflector assembly, which forces the movement laterally to the mounting direction when the reflector assembly is further moved along the installation direction on the at least one locking position.
  • the handling of the recessed light for disassembly is considerably simplified.
  • the guide device may have a run-on slope, wherein the slope runs diagonally to the installation direction. Due to the run-on slope, a rotary-push movement is forced when the reflector assembly is pressed into the mounting ring beyond the rest position.
  • a spring may be provided which supports the movement laterally to the mounting direction when the reflector assembly is pushed over the locking position further in the direction of installation.
  • At least one of the latching means on the mounting ring and / or on the reflector assembly comprises a projection on which the guide device acts.
  • the guide device is provided directly above the locking means on the mounting ring or on the reflector assembly, which cooperates with the opposite locking means, which is formed by a projection.
  • the guide device can also act on a projection on the mounting ring and / or the reflector assembly, which is different from, but coupled to the latching means.
  • the reflector assembly may have a projection in the direction of the inner wall of the mounting ring, which is arranged in the circumferential direction at a location other than the locking means.
  • this projection When installing the reflector assembly until it engages in the at least one detent position, this projection initially has no significance. Only upon further displacement of the reflector assembly beyond the locking position, the projection engages in the guide means and forces the further pushing in a rotational movement in the reflector assembly to disengage the locking means from each other.
  • This embodiment has the advantage that the locking means are not worn even by the guide means. With multiple actuation of a mechanism in which the guide device acts directly on the locking means, it may happen that the locking means are worn. This is ruled out if the guide device acts on a projection which is independent of the latching means and only indirectly transmits the lateral movement to the latching means.
  • the reflector assembly can be fixed at different heights relative to the mounting ring.
  • a plurality of latching means may be provided on the reflector assembly or on the mounting ring in the installation direction one above the other, so that a plurality of latching positions are formed for holding the mounting ring against the installation direction.
  • the latching means can be mounted on the mounting ring and / or on the reflector assembly at different heights along the installation direction.
  • the locking means are formed on a separate component which can be inserted into the mounting ring or the reflector assembly and at different heights, e.g. can be determined by a positive connection to the component.
  • the embodiments have the advantage that reflector assemblies with different heights, in particular due to different high reflectors, can be mounted so that the reflector lower edge terminates with the installation opening which fixes the mounting ring. Even when mounting additional components, such as a cover plate on the reflector lower edge, which is to complete flush with the ceiling, it may be desirable to position the reflector assembly at different heights in the mounting ring. It may also be desired that the reflector bottom edge projects downwardly from the opening of the mounting ring, e.g. by more than 2 mm or more than 9 mm.
  • the reflector assembly also includes a heat sink.
  • a heat sink This embodiment is particularly preferred for downlights whose lamps are formed at least in part by LEDs, because they develop considerable heat during operation.
  • the heat sink at different heights opposite the mounting frame is fixed.
  • the locking means on the part of the reflector assembly may be provided directly on the heat sink or in a fastening device, such as a cylindrical shell, the heat sink.
  • the reflector may be directly connected to the heat sink or connected by a separate mounting ring with the heat sink.
  • FIGS. 1 to 3 a first embodiment of a recessed light will be described below.
  • the recessed luminaire comprises a mounting ring 100 which has a substantially cylindrical shape, wherein at the lower edge of the mounting ring along the circumference outwardly a flange 110 extends.
  • the mounting ring 100 is intended to be installed in a circular ceiling cutout, wherein the flange 110 rests on the underside of the ceiling around the cutout.
  • the fastening means which are intended to hold the mounting ring 100 in a ceiling cutout, not shown in the figures.
  • the reflector assembly 120 After installation of the mounting ring 100 in a ceiling section, a reflector assembly 120 is inserted from below into the opening which defines the mounting ring 100.
  • the reflector assembly 120 comprises a reflector 130 with a downwardly facing light exit surface and a holding body 140, which simultaneously has the function of a heat sink in the embodiment shown.
  • cooling ribs 142 are arranged on the reflector 130 opposite side of the holding body 140.
  • the holding body 140 according to the illustrated embodiment is formed of aluminum.
  • bulbs, especially LEDs or high-pressure lamps are arranged, which are cooled by the heat sink during operation.
  • the holding body 140 may also be formed of plastic, in particular if cooling of the illuminant is sufficient only by air convection without heat sink.
  • the reflector 130 is connected to the heat sink 140 by a kind of bayonet closure.
  • two plate springs 144 are fastened to projections and undercuts of the holder body 140 in the circumferential direction.
  • the plate springs 144 each have on two spring tongues on the downwardly facing edge latching means in the form of outwardly angled latching hook 145.
  • the latching hooks 145 serve to hold the reflector assembly 120 in the mounting ring 100.
  • the mounting ring 100 has on the inside at the latching hook corresponding positions each four superimposed locking means in the form of locking slots 105.
  • the latching hooks 145 can each engage in one of the four latching slots 105, whereby the reflector assembly 120 is supported against the direction of installation downwards.
  • the latching hooks 145 and the latching slots 105 are each beveled so that insertion of the latching hooks 145 into the latching slots 105 from below is easily possible, with the latching hooks 145 audibly engaging.
  • the latching hooks 145 can engage in one of the four latching slots 105, whereby the height of the reflector assembly 120 can be selected relative to the mounting ring 100.
  • the reflector assembly 120 it is desired to position the reflector assembly 120 at such a height that the bottom edge of the reflector 130 is flush with the bottom edge of the flange 110 (see FIG FIG. 2 ).
  • a shadow gap is formed with a defined distance of 0.5 mm to 5 mm between the outer wall of the reflector 130 and the inner wall of the mounting ring 100.
  • the reflector assembly By mounting the reflector assembly with the locking means 105 and 145, it is not necessary that the reflector bottom edge touches the mounting ring 100 in the installed state of the reflector. Thus it is possible to form the desired shadow gap.
  • still another component such as a cover, can be arranged under the reflector. The desired distance between reflector lower edge and the lower edge of the mounting ring can be selected by selecting one of the four possible locking positions, which define the four superimposed locking slots 105.
  • the reflector assembly 120 is moved over all four locking positions also up until a run-on slope 147 of a projection 146, which also serves to hold the plate springs 144, at the leg of an approximately U- formed bent spring 112, which is integral with the mounting ring 100 runs. Due to the chamfering of the run-on slope 147 and the orientation of the spring 112 diagonally to the installation direction of the reflector assembly, the reflector assembly is rotated upwards relative to the mounting ring 100 when the reflector assembly is displaced further upwards.
  • the latching hooks 145 reach the latching slots 105 in a position such that the latching means 105, 145 no longer engage one another when the reflector assembly is moved counter to the installation direction because they have a lateral spacing. This makes it possible to remove the reflector assembly down from the mounting ring 100.
  • an inwardly facing stop surface 114 is provided on the mounting ring 100, at which the projection 146 from below strikes and is stopped.
  • a further guide may be provided on the inside of the mounting ring 100, which passes the projections 146 on the way against the installation direction of the locking slots 105, so that even by an unintentional rotation of the reflector assembly, the latching hooks 145 in the locking slots 105th can not hook in the expansion.
  • FIGS. 4 to 7 a second embodiment of a recessed luminaire according to the invention is described, wherein structurally similar elements to the first embodiment with the same reference numerals plus 100 are designated.
  • the recessed luminaire has a mounting ring 200, at the lower edge of which an outwardly directed flange 210 connects.
  • the mounting ring is provided for installation in a ceiling cutout, wherein for ease of illustration, the fastening means which hold the mounting ring 200 in the ceiling cutout from above, are not shown.
  • the reflector assembly 220 comprises a reflector 230, which in the embodiment shown has a lateral opening 231 for attaching a lamp holder (not shown in the figure), as well as on the upper side facing away from the light exit surface has an opening which through another reflector component (in the Figures not shown) can be closed.
  • the latching lugs 205 cooperate with latching edges 245, three of which are mounted one above the other on the outside of the reflector 230 at the circumferential positions corresponding to the positions of the latching lugs 205.
  • the locking edges 245 are each laterally surrounded by guide surfaces 248, which prevent a lateral rotation of the reflector 230 in the latched state between the locking edges 245 and the locking lugs 205. Since three locking lugs 245 are provided one above the other, the reflector can be mounted in three different heights relative to the mounting ring.
  • cube-shaped projections 246 are furthermore provided on the outside of the reflector 230, which engage in funnel-shaped tapered guide surfaces 211 on arms of the mounting ring 100 on the inner side of the mounting ring 100 facing the reflector.
  • the guide surfaces 211 are particularly useful in the illustrated embodiment because the reflector assembly has to be inserted slightly tilted into the mounting ring 200 due to a protrusion on the receptacle receiving aperture 231.
  • the projections 246 are fixed laterally by the guide surfaces 211.
  • the reflector assembly is pushed over all three locking positions upwards, ie further in the installation direction, in the mounting ring 200.
  • the projections 246 come into contact with a respective spring 212, which is arranged in the guide surfaces 211 of the mounting ring 200.
  • the projections 246 are laterally deflected by a direction of installation direction diagonally oriented leg of the spring 212 to the installation direction. This movement is supported by the guide surfaces 211 above the funnel-shaped taper.
  • the projections 246 abut from below on an inwardly directed horizontal guide surface 214 of the mounting ring 200.
  • the projections 246 Supported by the spring force of the spring 212, the projections 246 are moved laterally to the installation direction.
  • the cube-shaped projections 246 slide along the guide surface 214 and are finally deflected downwards by a bevel on the guide surfaces 214. Since the latching edges 245 are firmly connected to the projections 246, the latching edges 245 are laterally displaced relative to the latching lugs 205 by the lateral movement, so that the reflector assembly can be removed from the mounting ring downwards, ie counter to the installation direction.
  • the installation and removal of the reflector assembly 220 from the mounting ring 200 can be repeated as often.
  • the second embodiment has the advantage that the guide surfaces 212 and 214 act only on the cube-shaped projections 246 of the reflector assembly and not on the reflector-side locking means 245. As a result, no wear of the locking means is given by multiple actuation of the input and Ausgurmechanismus in the guide surfaces.
  • FIGS. 8 to 10 a third embodiment of a recessed luminaire according to the invention will be described, wherein all elements of the third embodiment, which have a correspondence in the first or second embodiment, with the same reference numerals plus 200 and 100 respectively.
  • the recessed luminaire of the third embodiment has a mounting ring 300 that is similar to the mounting ring 200 of the second embodiment.
  • the locking means on the inside of the mounting ring 300 in height are adjustable.
  • the locking means of the mounting ring 300 consist of a carriage-shaped fastening element 304, which can be inserted into a recess on the inside of the mounting ring 300 from above.
  • On the fastener 304 is on a movable tongue a Einsteckrippe 307 is provided which can be hooked into one of four superposed slots 308 in the side wall of the mounting ring 300. By selecting the slots 308, the height of the fastener 304 in the mounting ring can be adjusted to four different heights.
  • a resilient locking edge 305 is provided, above which an L-shaped locking projection 345, which is fixedly mounted on the outside of the reflector 330, can engage.
  • the reflector assembly 320 is slightly tilted introduced into the mounting ring similar to the second embodiment, wherein the locking projections 345 are guided in lateral guide surfaces 311 via the locking edge 305.
  • the third embodiment has only one latching position for the reflector assembly. Nevertheless, the height adjustment of the reflector assembly relative to the mounting ring is possible because the height of the detent position by displacing the fasteners 304 relative to the mounting ring 300, as previously described, is selectable.
  • the reflector assembly is first rotated clockwise until the top of the projection 345 from the stop surface 312 sideways. Subsequently, the reflector assembly 320 can be further moved in the installation direction upwards, wherein the upper edge of the projection 345 slides along a deflection surface 313.
  • the deflection surface 313 is shaped such that, as the projections 345 slide along, the reflector assembly is further rotated.
  • the lower edge of the projection 345 presses the guide surface outward at a slope 314 of the guide surface 311 so that the projection 345 can fully disengage from the guide surfaces 311. Thereafter, the reflector assembly can be removed downwards against the installation direction of the mounting ring.
  • the locking connection between the reflector-side locking means 345 and the locking means 305 of the mounting ring is achieved by a rotary-push movement of the locking connection.
  • the invention is not limited to the specific shapes of the guide surfaces on the locking means.
  • the shapes of the locking means and the guide surfaces can be varied in many ways, so that they can always be solved by a rotary-push movement from each other.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP11159388.5A 2010-04-01 2011-03-23 Lampe encastrée dotée d'une fixation de réflecteur Active EP2372231B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010013685A DE102010013685A1 (de) 2010-04-01 2010-04-01 Einbauleuchte mit Reflektorbefestigung

Publications (2)

Publication Number Publication Date
EP2372231A1 true EP2372231A1 (fr) 2011-10-05
EP2372231B1 EP2372231B1 (fr) 2017-01-25

Family

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Family Applications (1)

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EP11159388.5A Active EP2372231B1 (fr) 2010-04-01 2011-03-23 Lampe encastrée dotée d'une fixation de réflecteur

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EP (1) EP2372231B1 (fr)
DE (1) DE102010013685A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014037548A1 (fr) * 2012-09-10 2014-03-13 Zumtobel Lighting Gmbh Bague d'encastrement servant à l'encastrement d'un luminaire encastré, et luminaire encastré muni d'une bague d'encastrement
EP3141798A1 (fr) 2015-09-11 2017-03-15 OSRAM GmbH Dispositif d'eclairage et procede correspondant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013102148U1 (de) * 2012-12-10 2014-03-12 Zumtobel Lighting Gmbh Einbauleuchte

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310757U1 (de) 1993-07-17 1994-03-17 Trilux-Lenze Gmbh + Co Kg, 59759 Arnsberg Einbaustrahler
US5868493A (en) * 1994-05-02 1999-02-09 Cooper Industries, Inc. Trim retainer
DE102005032265A1 (de) 2005-07-04 2007-01-25 Siteco Beleuchtungstechnik Gmbh Rastbefestigung von Leuchtenbauteilen
US20070285921A1 (en) * 2006-06-09 2007-12-13 Acuity Brands, Inc. Networked architectural lighting with customizable color accents
AT9599U1 (de) * 2005-12-08 2007-12-15 Siteco Beleuchtungstech Gmbh Deckeneinbauleuchte
DE202009001667U1 (de) * 2009-02-10 2009-04-16 Elpro Lichttechnik Gmbh Elektrische Leuchte

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310757U1 (de) 1993-07-17 1994-03-17 Trilux-Lenze Gmbh + Co Kg, 59759 Arnsberg Einbaustrahler
US5868493A (en) * 1994-05-02 1999-02-09 Cooper Industries, Inc. Trim retainer
DE102005032265A1 (de) 2005-07-04 2007-01-25 Siteco Beleuchtungstechnik Gmbh Rastbefestigung von Leuchtenbauteilen
AT9599U1 (de) * 2005-12-08 2007-12-15 Siteco Beleuchtungstech Gmbh Deckeneinbauleuchte
US20070285921A1 (en) * 2006-06-09 2007-12-13 Acuity Brands, Inc. Networked architectural lighting with customizable color accents
DE202009001667U1 (de) * 2009-02-10 2009-04-16 Elpro Lichttechnik Gmbh Elektrische Leuchte

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014037548A1 (fr) * 2012-09-10 2014-03-13 Zumtobel Lighting Gmbh Bague d'encastrement servant à l'encastrement d'un luminaire encastré, et luminaire encastré muni d'une bague d'encastrement
CN104603522A (zh) * 2012-09-10 2015-05-06 宗拓贝尔照明器材有限公司 用于装配嵌灯的装配环以及带有装配环的嵌灯
EP3141798A1 (fr) 2015-09-11 2017-03-15 OSRAM GmbH Dispositif d'eclairage et procede correspondant

Also Published As

Publication number Publication date
EP2372231B1 (fr) 2017-01-25
DE102010013685A1 (de) 2011-10-06

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