EP2995846A1 - Lampe à réflecteur - Google Patents

Lampe à réflecteur Download PDF

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Publication number
EP2995846A1
EP2995846A1 EP15158579.1A EP15158579A EP2995846A1 EP 2995846 A1 EP2995846 A1 EP 2995846A1 EP 15158579 A EP15158579 A EP 15158579A EP 2995846 A1 EP2995846 A1 EP 2995846A1
Authority
EP
European Patent Office
Prior art keywords
reflector
primary reflector
deflecting mirror
light
light source
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
EP15158579.1A
Other languages
German (de)
English (en)
Other versions
EP2995846B1 (fr
Inventor
Markus Weindl
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.)
RUCO LICHT GmbH
Ruco-Licht GmbH
Original Assignee
RUCO LICHT GmbH
Ruco-Licht 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 RUCO LICHT GmbH, Ruco-Licht GmbH filed Critical RUCO LICHT GmbH
Publication of EP2995846A1 publication Critical patent/EP2995846A1/fr
Application granted granted Critical
Publication of EP2995846B1 publication Critical patent/EP2995846B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/0025Combination of two or more reflectors for a single light source
    • F21V7/0033Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • F21V7/041Optical design with conical or pyramidal surface
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • F21V7/06Optical design with parabolic curvature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Definitions

  • the invention relates to a deflecting mirror light according to the preamble of claim 1.
  • Such a deflecting mirror light is from the DE 10 2011 009 404 A1 known.
  • This has a light source, a primary reflector and one or more in the region of an opening of the primary reflector adjustably arranged deflection mirror on
  • Such lights are used to produce a basic lighting and additional accent lighting, with a uniform basic lighting can be achieved by the primary reflector, while the individually adjustable Deflection mirror special lighting effects can be achieved.
  • conventional incandescent or gas discharge lamps are used as light sources. For other light sources, however, the problem may arise that a sufficiently effective lighting is no longer guaranteed.
  • the object of the invention is to provide a luminaire of the type mentioned, which allows efficient lighting even with different light sources.
  • the light source is designed as an LED module with a plurality of LEDs arranged on a carrier.
  • Such light sources have a particularly long service life and high light output with lower power consumption and lower heat development compared to conventional light sources.
  • a secondary reflector is arranged between the light source and the at least one deflecting mirror, by means of which the light emitted by the light source is focused via the primary reflector onto the at least one deflecting mirror.
  • the secondary reflector for example, the light radiated by the light source at a wider angle can first be directed onto a central reflector region on the inside of the primary reflector and focused therefrom onto the deflection mirrors.
  • the secondary reflector may be formed in a preferred embodiment in the form of a cone arranged in the central axis of the primary reflector with a cone tip facing the light source and concave reflector surfaces facing inner reflector surfaces of the primary reflector.
  • the secondary reflector can e.g. be formed in the form of a sheet-formed or made of plastic and provided with a corresponding coating, thin-walled hollow cone with concave wall. Between an outer edge on the underside of the secondary reflector and the primary reflector is preferably provided an annular gap for the passage of the light.
  • the deflecting mirror light may have one or more deflection mirrors.
  • a plurality of deflecting mirrors are provided, which can be arranged rotatably and pivotably on a holder fastened to the inside of the primary reflector.
  • the deflecting mirrors can have a concave, convex or even reflector surface. As a result, different lighting effects can be achieved.
  • the LED module can be designed as a so-called chip on board (COB) LED, in which several individual LED chips are mounted on a printed circuit board. The chip terminals and the circuit board are connected by wire bonding and the chip is then covered by epoxy resin and protected.
  • COB chip on board
  • the COB technology allows high LED packing densities so that more light can be emitted from a smaller area.
  • a very flat and space-saving design can be achieved.
  • deflecting mirror light contains a trained example as a heat sink body 1 and executed here in the manner of a paraboloid parabolic stump primary reflector 2, which is arranged on the underside of the base body 1 reflector base 3 and a curved reflector body 4 with an inner reflector surface 5 and a here round reflector opening 6 contains.
  • the primary reflector 2 has a passage 7 in its reflector base 3 for a light source 8 designed as an LED module.
  • the deflecting mirrors 9 can have a concave, convex or even reflector surface 10 and are pivotably arranged on a holder 11 fastened to the inside of the reflector body 4.
  • the holder 11 consists of a fixed to the inside of the primary reflector 2 thin sheet metal with a arranged in the central axis 12 of the primary reflector 2 lower retaining web 13, to which two spaced-apart discs 14 and 15 are attached. Between the two discs 14 and 15 spherical ends 16 are supported by rods 17 to which the deflecting mirror 9 are attached.
  • the spherical ends 16 of the rods 17 are rotatably mounted between the two discs 14 and 15, so that the deflecting mirror 9 can be pivoted in all directions.
  • a secondary reflector 18 is arranged between the light source 8 and the deflecting mirrors 9, through which the light emitted by the light source 7 is first directed to a central reflector region 19 on the inside of the curved reflector body 4 of the primary reflector 2 and from there to the deflection mirror 8 is focused.
  • the secondary reflector 18 is designed such that the light source 9, e.g. light radiated at an angle of 120 ° is conducted via the primary reflector 2 onto the deflecting mirrors 10.
  • the secondary reflector 18 in the form of a arranged in the central axis 12 of the primary reflector 2 cone with a light source 7 facing conical tip 20 and one of the inner reflector surface 5 of the primary reflector 2 facing concave lateral surface 21 designed as a reflector surface.
  • the conical secondary reflector 18 is arranged such that its central axis coincides with the central axis 12 of the Primary reflector 2 coincides.
  • the secondary reflector 18 may be formed, for example, in the form of a formed from sheet metal or plastic and provided with a corresponding coating, thin-walled hollow cone with concave wall 22.
  • the conical secondary reflector 18 may be mounted, for example, via a clip connection on the holder 11 fastened to the inside of the reflector body 4. Between an outer edge 23 on the underside of the conical secondary reflector 18 and the primary reflector 2, an annular gap 24 is provided, via which the light reflected by the primary reflector 2 can reach the opening 6 and the deflecting mirrors 9.
  • the designed as an LED module light source 9 is designed as a so-called chip on board (COB) LED.
  • COB chip on board
  • the chip is then covered by epoxy resin and protected.
  • LED modules manufactured using COB technology have a longer life and higher light output compared to conventional light sources.
  • LED modules also have less heat development in the beam direction.
  • such LED modules can also be built very flat and thus require only a small installation space.
  • the secondary reflector 18 is designed such that the light emitted by the light source 8 light reaches the central reflector region 19 on the inside of the curved reflector body 4 of the primary reflector 2 and from there on the deflection mirror 9 for generating focusable and directable light cone for the creation of special Lighting effects can be directed.
  • FIG. 2 It can be seen that a portion of the light can be directed through the secondary reflector 18 and the primary reflector 2 but also between the deflecting mirrors 9 down, so that a homogeneous basic lighting is achieved directly under the lamp without the holder 11 in the Projection images.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP15158579.1A 2014-08-06 2015-03-11 Lampe à réflecteur Active EP2995846B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014111206.7A DE102014111206A1 (de) 2014-08-06 2014-08-06 Umlenkspiegelleuchte

Publications (2)

Publication Number Publication Date
EP2995846A1 true EP2995846A1 (fr) 2016-03-16
EP2995846B1 EP2995846B1 (fr) 2018-05-16

Family

ID=52814796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15158579.1A Active EP2995846B1 (fr) 2014-08-06 2015-03-11 Lampe à réflecteur

Country Status (2)

Country Link
EP (1) EP2995846B1 (fr)
DE (1) DE102014111206A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477524A (zh) * 2017-07-26 2017-12-15 东莞市闻誉实业有限公司 反射式矿井灯
CN108954140A (zh) * 2018-07-26 2018-12-07 深圳市港瑞达科技有限公司 一种led照明灯防护装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9215276U1 (fr) * 1991-10-10 1993-01-21 Schewe, Juergen, 6900 Heidelberg, De
DE10252724A1 (de) * 2001-11-30 2003-06-12 Mega N V Verlichtingstoestel
WO2008089324A2 (fr) * 2007-01-17 2008-07-24 Lighting Science Group Corporation Optique de collimation à réseau de del à trajet optique replié
DE102011009404A1 (de) 2011-01-25 2012-07-26 D. Lindner Lichttechnische Großhandlung GmbH Lampen-Leuchten-Strahler Beleuchtungseinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064880A (en) * 1935-03-19 1936-12-22 Ralph R Bostic Headlight
DE10232449A1 (de) * 2002-07-17 2004-02-19 Marc Schewe Beleuchtungseinrichtung
CN103062641B (zh) * 2011-10-20 2016-10-19 欧司朗股份有限公司 光源单元、配有这种光源单元的照明装置以及医疗设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9215276U1 (fr) * 1991-10-10 1993-01-21 Schewe, Juergen, 6900 Heidelberg, De
DE10252724A1 (de) * 2001-11-30 2003-06-12 Mega N V Verlichtingstoestel
WO2008089324A2 (fr) * 2007-01-17 2008-07-24 Lighting Science Group Corporation Optique de collimation à réseau de del à trajet optique replié
DE102011009404A1 (de) 2011-01-25 2012-07-26 D. Lindner Lichttechnische Großhandlung GmbH Lampen-Leuchten-Strahler Beleuchtungseinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477524A (zh) * 2017-07-26 2017-12-15 东莞市闻誉实业有限公司 反射式矿井灯
CN108954140A (zh) * 2018-07-26 2018-12-07 深圳市港瑞达科技有限公司 一种led照明灯防护装置

Also Published As

Publication number Publication date
DE102014111206A1 (de) 2016-02-11
EP2995846B1 (fr) 2018-05-16

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