EP1353116B1 - Lampe à encastrer avec un reflécteur auxiliaire - Google Patents

Lampe à encastrer avec un reflécteur auxiliaire Download PDF

Info

Publication number
EP1353116B1
EP1353116B1 EP03008288A EP03008288A EP1353116B1 EP 1353116 B1 EP1353116 B1 EP 1353116B1 EP 03008288 A EP03008288 A EP 03008288A EP 03008288 A EP03008288 A EP 03008288A EP 1353116 B1 EP1353116 B1 EP 1353116B1
Authority
EP
European Patent Office
Prior art keywords
reflector
opening
light
recessed luminaire
luminaire according
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.)
Expired - Lifetime
Application number
EP03008288A
Other languages
German (de)
English (en)
Other versions
EP1353116A3 (fr
EP1353116A2 (fr
Inventor
Karl-Heinz HOLZKÄMPER
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.)
Zumtobel Lighting GmbH Germany
Original Assignee
Zumtobel Lighting GmbH Germany
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 Zumtobel Lighting GmbH Germany filed Critical Zumtobel Lighting GmbH Germany
Publication of EP1353116A2 publication Critical patent/EP1353116A2/fr
Publication of EP1353116A3 publication Critical patent/EP1353116A3/fr
Application granted granted Critical
Publication of EP1353116B1 publication Critical patent/EP1353116B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • 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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures

Definitions

  • the present invention relates to a recessed luminaire according to the preamble of claim 1.
  • Such lights are often used to illuminate the wall of a room and are therefore referred to as so-called wall washer.
  • they consist of a base reflector, which interacts directly with the light source of the lamp, as well as a basic reflector provided intent reflector, which carries the entire lamp unit consisting of the base reflector, lamp holder, lamp and possibly heat sink.
  • a base reflector which interacts directly with the light source of the lamp
  • a basic reflector provided intent reflector which carries the entire lamp unit consisting of the base reflector, lamp holder, lamp and possibly heat sink.
  • the lamp unit that is to say in particular the light source and the base reflector, to be inclined relative to the installation position of the auxiliary reflector and thus the two reflector axes to be blunt Include angle.
  • the intent reflector is cut off obliquely, so its cooperating with the light exit opening of the base reflector light inlet opening is also arranged obliquely opposite to the light exit opening of the auxiliary reflector.
  • the oblique cutting off of a rotationally symmetrical auxiliary reflector has the consequence that its light entry opening is not circular but instead elliptical. If the base reflector is likewise rotationally symmetrical or its light exit opening is circular, then the contour of the light exit opening of the base reflector differs from the contour of the light entry opening of the supplementary reflector.
  • one of the two reflectors is bent in such a way that the contiguous opening edges fit somewhat together.
  • Such a procedure is costly, especially for mass-produced reflectors, and has the consequence that light-tight joints between the base reflector and the front reflector are difficult to obtain become.
  • plastic reflectors As an alternative to the bending out of one of the two reflectors, it is also known to manufacture the intent reflector made of plastic and to form so-called free-form surfaces. In this case, it is possible to form an obliquely arranged impact surface, which is nevertheless circular and coincides with the circular light exit opening of the base reflector.
  • plastic reflectors have the disadvantage that they are suitable for less high operating temperatures, as made of sheet metal reflectors.
  • the present invention is based on the object of specifying a recessed luminaire formed from a base reflector and an auxiliary reflector; the lighting technology is improved over the prior art and at the same time can be produced inexpensively.
  • a light-tight connection between the base reflector and the front reflector is to be made possible.
  • a recessed luminaire which has the features of claim 1.
  • This has a base reflector surrounding a first reflector axis for receiving a light source and an auxiliary reflector surrounding the base reflector and a second reflector axis Vorsatzreflektor, wherein the two reflector axes include an obtuse angle and the opening contours of the light exit opening of the base reflector and the light entrance opening of the attachment reflector at the joint are unequal ,
  • a light-tight connection between the two reflectors is inventively achieved in that at least one of the two abutting opening edges of the reflectors are provided inwardly or outwardly extending flange means which are shaped and sized so large that those areas of the opening contour, over the cover other opening contours, be covered.
  • both reflectors can be formed from a rotationally symmetrical body, which is on the one hand photometrically and on the other manufacturing advantage of advantage.
  • the present invention is not limited to lights with rotationally symmetrical reflectors, but can basically be used in lights with a base reflector and an auxiliary reflector to compensate for deviations in the opening contours of the two reflectors.
  • the base reflector and / or front reflector could also have a polygonal shape.
  • the base reflector preferably has a compensation flange surrounding its light exit opening and extending outwards.
  • recesses may be provided on this compensating flange, in which connection tabs arranged on the light entry opening of the auxiliary reflector engage.
  • Both the base reflector and the front reflector are preferably made as pressed parts of sheet metal.
  • On a provided on the base reflector holder for holding the light source may further be arranged a heat sink, which dissipates the heat generated by the light source.
  • the in the Fig. 1 and 2 shown intent reflector 6 consists of a formed from sheet rotationally symmetrical pressing member. On its underside, it forms a circular light exit opening 8, which is arranged in the mounted state of the lamp in the plane of the wall or ceiling in which the lamp is installed.
  • the light entry opening 7 of the intent reflector 6 is located at the top and is obliquely punched out to the light exit opening 8.
  • the angle between the plane of the light inlet opening 7 and the plane of the light exit opening 8 is about 31 °. Since the intent reflector 6 overall a rotationally symmetric basic shape has, the oblique arrangement of the light inlet opening 7 with the result that it has the shape of an ellipse.
  • the intended for receiving the light source of the lamp and in Fig. 3 illustrated base reflector 2 is also formed as a made of sheet metal rotationally symmetrical pressing member and therefore also has a circular light exit opening 5 on. This inevitably results in that the opening contours of the circular light exit surface 5 of the base reflector 2 and the elliptical light entrance surface 7 of the auxiliary reflector 6 do not coincide exactly at their joints.
  • an outwardly extending annular Ausretesflansch 3 is provided at the light exit opening 5 of the base reflector 2. This is sized so large that those areas of the light inlet opening 7 of the intent reflector 6, which protrude beyond the outer contour of the light exit opening 5 of the base reflector 2, are covered.
  • the recessed luminaire 1 according to the invention formed from the base reflector 2 and the auxiliary reflector 6 is in the assembled state in the 4 to 6 shown.
  • the mounting of the lamp 1 in a wall or ceiling element 11 takes place with the aid of a mounted on the attachment reflector 6 mounting ring 10.
  • About the mounting ring 10 fastened leveling 12 is a flush installation of the intent reflector 6 with the wall or ceiling element 11.
  • the light exit opening the intent reflector 6 is thus in a plane with the surface of the wall or ceiling eleventh
  • connection tabs 9 pass through corresponding arranged in the Aus GmbHsflansch 3 recesses 4 and provide a latching connection between the two reflectors 2 and 6.
  • the provided on the light exit opening 5 of the base reflector 2 Aus GmbHsflansch 3 thus serves in addition to its original task - namely to compensate for the differences between the light exit opening 5 of the base reflector 2 and the light inlet opening 7 of the intent reflector 6 and to allow a light-tight connection - also for attachment of the base reflector 2 at the auxiliary reflector 7.
  • the fluorescent lamp passes through two provided in the reflector wall Openings.
  • a heat sink 15 is disposed on the socket 13.
  • the lamp holder 13, the lamp 14 and the heat sink 15 lamp unit is arranged obliquely opposite the mounting position of the intent reflector 6 and the wall or ceiling 11 and the two of the reflectors 2 and 6 enclosed Reflector axes enclose an obtuse angle of preferably 31 °.
  • the lamp 1 is used as a ceiling luminaire, thus the obliquely arranged below the luminaire wall can be illuminated.
  • the luminaire according to the invention is distinguished by its simple structure, by means of which a technically optimal interaction between the base reflector 2 and the auxiliary reflector 6 is achieved.
  • it is not necessary to deviate from the basic form originally intended for the two reflectors in order to obtain a light-tight connection.
  • This is particularly advantageous when the base reflector and the front reflector are rotationally symmetrical, since these forms are on the one hand optically optimal lighting and on the other hand are easy to manufacture.
  • the flange means according to the invention can also be used in reflectors with a different shape. It is also possible to provide the flange means on both reflectors or only on the auxiliary reflector.

Landscapes

  • 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)
  • Optical Elements Other Than Lenses (AREA)

Claims (12)

  1. Luminaire encastré (1) comportant un réflecteur de base (2) entourant un premier axe de réflecteur pour loger une source de lumière (14) ainsi qu'un réflecteur saillant (6) placé devant le réflecteur de base (2) et entourant un second axe de réflecteur, lequel réflecteur saillant est réalisé pour être encastré dans un élément de paroi ou de plafond,
    les deux axes de réflecteur formant un angle obtus et les contours d'ouverture de l'ouverture de sortie de lumière (5) du réflecteur de base (2) et de l'ouverture d'entrée de lumière (7) du réflecteur saillant (6) au niveau de leurs jonctions n'étant pas identiques,
    caractérisé par
    des moyens à collerette (3) s'étendant vers l'intérieur ou l'extérieur prévus au moins sur un des deux bords d'ouverture jointifs, lesdits moyens à collerette étant formés et dimensionnés de sorte que les zones du contour de l'ouverture qui chevauchent l'autre contour d'ouverture soient recouvertes.
  2. Luminaire encastré selon la revendication 2,
    caractérisé en ce
    que les moyens à collerette sont une collerette compensatrice (3) entourant l'ouverture de sortie de lumière (5) du réflecteur de base (2) et s'étendant vers l'extérieur.
  3. Luminaire encastré selon la revendication 1 ou 2,
    caractérisé en ce
    que la collerette compensatrice (3) du réflecteur de base (2) présente des évidements (4), dans lesquels s'engagent des pattes de liaison (9) disposées au niveau de l'ouverture d'entrée de lumière (7) du réflecteur saillant (6).
  4. Luminaire encastré selon l'une des revendications 1 à 3,
    caractérisé en ce
    que les deux axes de réflecteur forment un angle de 31 °.
  5. Luminaire encastré selon l'une des revendications précédentes,
    caractérisé en ce
    que le réflecteur de base (2) présente une ouverture d'entrée de lumière (5) circulaire.
  6. Luminaire encastré selon la revendication 5,
    caractérisé en ce
    que le réflecteur de base (2) présente une symétrie de révolution.
  7. Luminaire encastré selon la revendication 5 ou 6,
    caractérisé en ce
    que le réflecteur saillant (6) présente une ouverture de sortie de lumière (8) circulaire.
  8. Luminaire encastré selon la revendication 7,
    caractérisé en ce
    que le réflecteur saillant (6) présente une ouverture d'entrée de lumière (7) elliptique.
  9. Luminaire encastré selon la revendication 8,
    caractérisé en ce
    que le réflecteur saillant (6) est un corps de base à symétrie de révolution sur lequel une ouverture d'entrée de lumière (7) est disposée de manière oblique.
  10. Luminaire encastré selon l'une des revendications précédentes,
    caractérisé en ce
    que le réflecteur de base (2) est fabriqué comme une pièce emboutie en tôle.
  11. Luminaire encastré selon l'une des revendications précédentes,
    caractérisé en ce
    que le réflecteur saillant (6) est fabriqué comme une pièce emboutie en tôle.
  12. Luminaire encastré selon l'une des revendications précédentes,
    caractérisé en ce
    qu'un corps de refroidissement (15) est disposé au niveau d'une douille (13) disposée sur le réflecteur de base (2) pour la fixation de la source de lumière (14).
EP03008288A 2002-04-12 2003-04-09 Lampe à encastrer avec un reflécteur auxiliaire Expired - Lifetime EP1353116B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10216248A DE10216248A1 (de) 2002-04-12 2002-04-12 Einbauleuchte mit Vorsatzreflektor
DE10216248 2002-04-12

Publications (3)

Publication Number Publication Date
EP1353116A2 EP1353116A2 (fr) 2003-10-15
EP1353116A3 EP1353116A3 (fr) 2006-10-11
EP1353116B1 true EP1353116B1 (fr) 2009-08-19

Family

ID=28051287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03008288A Expired - Lifetime EP1353116B1 (fr) 2002-04-12 2003-04-09 Lampe à encastrer avec un reflécteur auxiliaire

Country Status (3)

Country Link
EP (1) EP1353116B1 (fr)
AT (1) ATE440248T1 (fr)
DE (2) DE10216248A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9086198B2 (en) 2013-10-15 2015-07-21 Cooper Technologies Company Luminaire retention
RU201642U1 (ru) * 2020-07-28 2020-12-24 Общество с ограниченной ответственностью «Центрсвет» Светильник

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716185A (en) * 1950-04-25 1955-08-23 Rambusch Decorating Company Recessed lighting equipment
US3643089A (en) * 1969-07-15 1972-02-15 Century Lighting Inc Lighting fixture for illuminating planar surfaces
JP4090519B2 (ja) * 1994-05-18 2008-05-28 松下電工株式会社 照明器具
US5465199A (en) * 1994-08-19 1995-11-07 Sea Gull Lighting System for attaching trim to lamp housing
US5562343A (en) * 1994-10-14 1996-10-08 Lightolier Division Of The Genlyte Group Incorporated Multifunctional recessed lighting fixture
EP0750159A3 (fr) * 1995-06-22 1997-05-02 Hans J Schmitz Lampe à encastrer
DE19846726A1 (de) * 1998-10-12 2000-04-20 Erco Leuchten Beleuchtungsvorrichtung zur Anbringung an einer ersten, eine Lichtaustrittsebene definierenden Wand
DE19949683A1 (de) * 1999-05-22 2000-11-30 Hartmann & Unger Gmbh Einbaustrahler zur Akzent- oder Effektbeleuchtung
US6343873B1 (en) * 2000-04-28 2002-02-05 Cooper Industries, Inc. Lighting fixture with downlight reflector and wallwash reflector
DE20015699U1 (de) * 2000-09-11 2000-11-30 Ansorg GmbH, 45481 Mülheim Leuchte

Also Published As

Publication number Publication date
DE10216248A1 (de) 2003-10-23
DE50311820D1 (de) 2009-10-01
EP1353116A3 (fr) 2006-10-11
EP1353116A2 (fr) 2003-10-15
ATE440248T1 (de) 2009-09-15

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