EP1519102A2 - Lampe à réflecteur, telle que lampe à réflecteur encastrée dans le sol, le plafond ou le mur, en particulier lampe à réflecteur pour marches d'éscalier - Google Patents

Lampe à réflecteur, telle que lampe à réflecteur encastrée dans le sol, le plafond ou le mur, en particulier lampe à réflecteur pour marches d'éscalier Download PDF

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Publication number
EP1519102A2
EP1519102A2 EP04022128A EP04022128A EP1519102A2 EP 1519102 A2 EP1519102 A2 EP 1519102A2 EP 04022128 A EP04022128 A EP 04022128A EP 04022128 A EP04022128 A EP 04022128A EP 1519102 A2 EP1519102 A2 EP 1519102A2
Authority
EP
European Patent Office
Prior art keywords
reflector
light exit
free end
straight edge
shield
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.)
Withdrawn
Application number
EP04022128A
Other languages
German (de)
English (en)
Other versions
EP1519102A3 (fr
Inventor
Leonard Klose
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.)
Erco GmbH
Original Assignee
Erco Leuchten 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 Erco Leuchten GmbH filed Critical Erco Leuchten GmbH
Publication of EP1519102A2 publication Critical patent/EP1519102A2/fr
Publication of EP1519102A3 publication Critical patent/EP1519102A3/fr
Withdrawn legal-status Critical Current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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • 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
    • F21S8/024—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a wall or like vertical structure, e.g. building facade
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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
    • F21V7/06—Optical design with parabolic curvature
    • 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
    • F21V7/08—Optical design with elliptical curvature
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/16—Surfaces thereof; Protecting means for edges or corners thereof
    • E04F11/163—Protecting means for edges or corners
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F2011/1046—Miscellaneous features of treads not otherwise provided for
    • E04F2011/1048—Miscellaneous features of treads not otherwise provided for with lighting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
    • F21W2111/027—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like for indicating kerbs, steps or stairs
    • 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 invention relates to a reflector lamp, such as floor, ceiling or Wall-mounted reflector luminaire, in particular stepped reflector luminaire accordingly the respective preamble of the independent claims. 1 and 2.
  • Such a reflector lamp is described in DE 101 16 742 C2.
  • the well-known reflector lamp shown in the drawings of DE 101 16 742 C2 has a rotationally symmetrical parabolic reflector, of which Reflector surface, the light emitted in parallel direction.
  • the light source is at least a Lumineszensdiode (LED), which is approximately arm-like between a radially projecting shield and the reflector surface, thus for the viewer shielded, is arranged.
  • LED Lumineszensdiode
  • the reflected light rays extend in parallel to the parabolic axis.
  • the LED In the event that the LED is within the focal plane, but spaced from the focal point, the run each other parallel reflected light rays at an angle to the parabolic axis. If in the focal plane several LEDs are arranged, can be through alternative switching on the LEDs practically differently directed or differently extending displacement paths within the focal plane achieve. By these measures can therefore without a mechanical Adjustment of the light source are made a light control.
  • the invention has the object, a reflector lamp to which is specially tailored for the use of LEDs and which allows a broad exit directed light, as he, for example, in Luminaires, the wall illumination (wallwasher) or in the lights of the Step lighting (stage reflector lights) serve, is desired.
  • this object is common to the features of the preamble by its characterizing features a) - f) solved.
  • the feature a) of claim 1 extends the Reflector surface over an ellipse section along an ellipse, without that their vertices, so their major and minor vertices, in the elliptical section be included. Meanwhile, the selected one extends Ellipse section adjacent to the one focal point of the ellipse, during the other focus is outside the reflector light. By doing Focus point immediately adjacent to the ellipse section is located the luminous surface of the epoxy body of the LED. This luminous For example, the surface can be flat or almost flat or lenticular be formed convex.
  • An overall flat design of the reflector is according to the Feature b) of claim 1 achieved by a flat curved Area of the elliptical section of the light exit plane and a stronger curved portion of the ellipse portion of the LED is disposed adjacent.
  • the reflector After which the generatrix of the reflector surface a straight line extending in the reflector longitudinal direction is obtained the reflector has an elongated flat-shell-like shape, which the desired wide light emission allows.
  • the LEDs i. their luminous surface, one extending in the reflector longitudinal direction straight Edge at the free end of the shield and in the reflector longitudinal direction extending straight edge at the outer free end of the reflector surface in one arranged common plane.
  • the feature e) of claim 1 defines the light exit plane of Reflector luminaire in the following way:
  • the between the straight edge at the free end of the shield and the straight edge located at the outer free end of the reflector surface Area of common plane or between the straight edge on free end of the shield and the straight edge at the free end of the Additional shield located area of the common plane forms the Light exit plane.
  • the size of the effective Reflector surface can be influenced by the orientation of the LED, for example such that the LED is tilted in one direction or the other, that only a part of the light cone emanating from it is the physical one Reflector surface meets, so that reduces the effective reflector surface.
  • the size of the effective reflector surface can be instantaneous be dependent on the size of the beam angle. Because with regard to Beam angle currently no lighting technical definition exists, should be in the present context as the beam angle of the full angle of the light cone Apply over the light from the glowing surface of the epoxy body the LED is emitted.
  • the reflector lamp according to claim 1 While in the reflector lamp according to claim 1, the has an elliptical reflector surface, the light emitted by the latter outside the reflector light in the second focal point of the ellipse bundles and then diverges to the surface to be illuminated, is added the reflector lamp according to claim 2 a parabolic Reflector for use. Otherwise, the distinctive ones differ Features a) - f) of claim 2 of the same features of claim 1 not, so at this point only to the relevant remarks in connection with the claim 1 reference is made.
  • the LED predetermined effective reflector area at least substantially the Transversely to the reflector longitudinal direction measured width of the reflector corresponds.
  • the reflector can be optimally connected to an LED be adapted structurally to a certain beam angle.
  • the maximum width of the reflector surface at the same time the effective reflector area is, corresponding to an LED, which has a beam angle of about 90 °.
  • the effective reflector area is, corresponding to an LED, which has a beam angle of about 90 °.
  • LEDs with a beam angle of less than 90 ° be tilted or adjusted so that the light cone in each case of the Reflector surface is added.
  • An optimization in terms of luminaire efficiency and in terms of The width of the reflector can according to additional features of the invention be achieved by that to the light exit plane out inclined front legs of the beam angle of the LED in the common Level is arranged. This means that the front leg of the Edge at the free end of the shield only tangent.
  • An essential embodiment according to the invention exists in that several LEDs each in at least one row in a row are arranged, which extends in the reflector longitudinal direction. It is necessary to assume that in an elliptical reflector according to the Claim 1 having reflector lamp only a number of LEDs available is.
  • each row produces a parallel beam exit, but the Parallel rays of the arranged outside the focal plane LED rows to the laid by the parabolic axis and in the longitudinal direction of Reflectors extending plane inclined.
  • the individual rows Assign LEDs of different light colors. With different light color The LED leads the superimposition of the adjacent light cone to a Color mixing.
  • a stage lamp is designated by the reference numeral 10.
  • the stage lamp 10 according to FIGS. 1 and 2 has a cross section rectangular luminaire housing 11, which in a niche 12, for example a wall or wall 13 is added.
  • the stage light 10 serves the illumination of a traffic area, such as a tread 14th
  • a reflector 15 is arranged, which a reflector surface 16 which extends along an ellipse section 17 extends.
  • the elliptical section 17, the two foci F1 and F2 are assigned.
  • the focus F1 is inside and the focus F2 outside the light 10.
  • Epoxy body of an LED 18 is at focus F1.
  • a flat plate-like opaque and the LED 18 out Matt black shield A extends from its lower straight edge 19 at an angle of about 45 ° to a light exit plane KA-KF up.
  • the reflector longitudinal direction must be imagined as a straight line, which is perpendicular to the plane of the drawing of Figs. 1-8. So extends the lower straight edge 19 of the shield A in the reflector longitudinal direction, as well as the straight edge KA at the free end of the shield A.
  • the reflector edge extending straight edge of the Reflector 15 at the outer free end of the reflector surface 16 is KF designated. Analogously, it carries in the reflector longitudinal direction extending straight edge of the reflector 15 at the inner end of the reflector surface 16 the Designation KI.
  • the reflector surface 16 extends in the reflector longitudinal direction, since it is generated by a straight line arranged in the reflector longitudinal direction and thus represents a flat, approximately longitudinal shell-like structure. Furthermore also extends the shield A, perpendicular to the plane of the individual Fig. Running, in the reflector longitudinal direction.
  • FIGS. 1 and 2 From FIGS. 1 and 2 is not apparent that in the reflector longitudinal direction a number of LEDs 18 in a row in one through the focal point F1 walking straight lines are arranged.
  • the LEDs arranged one behind the other can each have the same light color or different light colors. at different light colors is done by lateral superimposition of adjacent Light cone a color mixing.
  • the light exit plane extends as part of the common plane F1-KA-KF between the edges KA and KF and is thus designated KA-KF.
  • the luminous surface of the LED 18 emits the light at a beam angle W from, which by a front leg SV and through a rear leg SH is defined.
  • the angle W is in the embodiment as shown in FIGS. 1 and 2 about 90 °.
  • Figs. 1 and 2 it can be seen that the extension of the front Schenkels SV both the straight edge KA of the shield A and the outer free edge KF of the reflector surface 16 is tangent.
  • the rear leg SH the radiation angle W, on the other hand, is tangent to the inner edge KI of the reflector surface 16.
  • the extending between the edge KF and the edge KI Reflector surface 16 thus takes the radiated by the LED 18 total light over the entire surface and reflects this according to the light beams LE through the light exit surface KA-KF and through the light exit opening 20 via the Bundling in the second focal point F2 to the outside to the step 14.
  • the width KF-KI of the physical reflector 15 accordingly corresponds in this case the photometrically effective reflector surface 16.
  • the light exit opening 20th extends between the lower straight edge 19 of the shield A and the straight edge KF of the reflector 15.
  • the reflector lamp 10 according to FIGS. 5 and 6 differs extending from the reflector lamp 10 according to FIGS. 1 and 2 substantially only in that the reflector width KF-KI is lower than in the Luminaire according to FIGS. 1 and 2.
  • the light exit opening is 20th bounded above by the straight edge KU of an additional shield 21, which is formed planar and which adjacent to the edge KF on the outside free end of the reflector surface 16 is arranged.
  • the additional shield 21 serves to prevent direct glare by the LED 18.
  • the additional shield 21 extends in the reflector longitudinal direction.
  • the common Level corresponding to FIGS. 5 and 6 carries the designation F1-KA-KU.
  • the Light exit level is called KA-KU.
  • the beam angle W between the front leg SV and the rear leg SH also is about 90 °.
  • the front leg SV is tangent to the outer free edge KF the reflector surface 16, but is located above the edge KA of the shield A.
  • the rear leg SH of the beam angle W however, the reflector surface 16 does not touch. For this reason, stay here from the LED 18 outgoing light component unused. This could be in the embodiment according to Figs. 5 and 6 e.g. by choosing one LED with one reduce beam angle W whose rear leg SH the inner edge KI of the reflector surface 16 would affect.
  • Figs. 3 and 4 is a reflector lamp 10 with a parabolic Reflector 15 shown, the parabolic section 23, the light beams LP reflected parallel to each other. Also, the lamp according to FIG. 3 and 4 a scattering lens plate 22 arranged in the light exit opening 20, which serves to homogenize the radiated light.
  • the light rays opposite surface of the plane scattering lens plate 22 is appropriately structured, for example, by suppository-shaped Depressions or sculptural lens or fresnel lenticular Surface.
  • FIGS. 7 and 8 corresponds to essential to the embodiment of FIGS. 2 and 3, however, because of the smaller width KF-KI the reflector surface 16 also an additional shield 21 analogous to FIGS. 5 and 6, which already discussed above were and what also in connection with Figs. 7 and 8 reference is taken.
  • the irradiation angle W of the LED 18 of the width KF-KI of the reflector surface 16, so that in this case the light generated by the LED 18 full is being used.
  • the beam angle W according to FIGS. 7 and 8 is approximately 65 ° lower than in the other embodiments.
  • the reflector surface itself is appropriate high gloss. It can also be structured, e.g. be faceted.

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  • 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)
  • Led Device Packages (AREA)
EP04022128.5A 2003-09-29 2004-09-17 Lampe à réflecteur, telle que lampe à réflecteur encastrée dans le sol, le plafond ou le mur, en particulier lampe à réflecteur pour marches d'éscalier Withdrawn EP1519102A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10345567 2003-09-29
DE10345567A DE10345567A1 (de) 2003-09-29 2003-09-29 Reflektorleuchte, wie Boden-, Decken- oder Wandeinbau-Reflektorleuchte, insbesondere Stufen-Reflektorleuchte

Publications (2)

Publication Number Publication Date
EP1519102A2 true EP1519102A2 (fr) 2005-03-30
EP1519102A3 EP1519102A3 (fr) 2013-07-31

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EP04022128.5A Withdrawn EP1519102A3 (fr) 2003-09-29 2004-09-17 Lampe à réflecteur, telle que lampe à réflecteur encastrée dans le sol, le plafond ou le mur, en particulier lampe à réflecteur pour marches d'éscalier

Country Status (4)

Country Link
US (1) US7217009B2 (fr)
EP (1) EP1519102A3 (fr)
JP (1) JP4410083B2 (fr)
DE (1) DE10345567A1 (fr)

Cited By (7)

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EP1843086A1 (fr) 2006-04-05 2007-10-10 Zumtobel Lighting GmbH Lampe à réflecteur
WO2008028517A1 (fr) * 2006-09-07 2008-03-13 Osram Gesellschaft mit beschränkter Haftung Lampe avec dispositif de déviation
ITMI20090677A1 (it) * 2009-04-22 2010-10-23 Artemide Spa Dispositivo di illuminazione a led con effetto wall-washing
ITVI20100214A1 (it) * 2010-07-30 2012-01-31 Beghelli Spa Sistema ottico per la diffusione omogenea della luce emessa da sorgenti luminose
EP2019255A3 (fr) * 2007-07-26 2013-03-20 ERCO GmbH Lampe pour éclairer une surface dans un bâtiment
WO2015007719A1 (fr) * 2013-07-16 2015-01-22 Zumtobel Lighting Gmbh Dispositif d'émission de lumière
CN106641909A (zh) * 2016-12-02 2017-05-10 深圳磊迈照明科技有限公司 洗墙灯及隐藏式洗墙灯系统

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JP6356016B2 (ja) * 2014-08-28 2018-07-11 株式会社モデュレックス 照明器具本体及び照明器具
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CN109328282B (zh) 2016-06-09 2021-03-23 飞利浦照明控股有限公司 照明装置
CN106677409A (zh) * 2017-01-24 2017-05-17 佛山市卓尔盛金属制品有限公司 一种藏光内凹梁
CN111406178B (zh) * 2018-01-10 2022-09-06 博姆达株式会社 照明设备

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US7217009B2 (en) 2007-05-15
US20050157490A1 (en) 2005-07-21
EP1519102A3 (fr) 2013-07-31
JP4410083B2 (ja) 2010-02-03
DE10345567A1 (de) 2005-05-19

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