EP2808601B1 - Corps d'éclairage d'une lampe, notamment d'un lampadaire, et lampe dotée d'au moins un corps d'éclairage - Google Patents

Corps d'éclairage d'une lampe, notamment d'un lampadaire, et lampe dotée d'au moins un corps d'éclairage Download PDF

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Publication number
EP2808601B1
EP2808601B1 EP14170634.1A EP14170634A EP2808601B1 EP 2808601 B1 EP2808601 B1 EP 2808601B1 EP 14170634 A EP14170634 A EP 14170634A EP 2808601 B1 EP2808601 B1 EP 2808601B1
Authority
EP
European Patent Office
Prior art keywords
reflector
light fixture
led lighting
lighting means
led
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
EP14170634.1A
Other languages
German (de)
English (en)
Other versions
EP2808601A3 (fr
EP2808601A2 (fr
Inventor
Davoud Shahrokhshahi
Andreas Bielawny
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.)
Boesha Technische Produkte GmbH and Co KG
Original Assignee
Boesha Technische Produkte GmbH and Co KG
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 Boesha Technische Produkte GmbH and Co KG filed Critical Boesha Technische Produkte GmbH and Co KG
Priority to PL14170634T priority Critical patent/PL2808601T3/pl
Priority to SI201430114A priority patent/SI2808601T1/sl
Publication of EP2808601A2 publication Critical patent/EP2808601A2/fr
Publication of EP2808601A3 publication Critical patent/EP2808601A3/fr
Application granted granted Critical
Publication of EP2808601B1 publication Critical patent/EP2808601B1/fr
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
    • 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
    • F21V7/048—Optical design with facets structure
    • 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
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • 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
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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

  • LEDs light emitting diodes
  • the lighting fixture has at least one LED illuminant and at least one reflector associated with the at least one LED illuminant.
  • the reflector is capable of reflecting at least part of the light emitted by the at least one LED illuminant on the reflector surfaces and emitting it out of the lighting body.
  • the reflector is designed such that a planar, substantially homogeneous illumination of the surroundings of the lighting unit can be obtained during operation of the lighting unit.
  • LED lighting means used in this lighting fixture are preferably LED lighting means which have a plurality of light-emitting diodes and are preferably designed as multi-chip on-board LED lighting means.
  • a lighting fixture of the type mentioned is, for example, from EP 2 360 427 A2 known.
  • This lighting fixture has a tubular reflector and serves the purpose of uniformly illuminating a longitudinally extending surface, such as a road section, with high efficiency.
  • the present invention is based on the object to provide a lighting fixture of a lamp, in particular a street lamp, which is designed to be compact and thereby has a high luminous efficacy, in particular a wide light distribution with high efficiency.
  • Another object of the present invention is to provide a luminaire, in particular a street lamp, of the type mentioned above, which has a high luminous efficacy, in particular a broad light distribution with high efficiency.
  • the solution to this problem provides a lighting fixture of the type mentioned above with the features of the characterizing part of claim 1.
  • a lighting fixture according to the invention also has the features known from the prior art that the reflection facets of the faceted reflectors are designed and arranged such that they form part of the first and second LED lighting means or the first group and second group of LED lighting means light emitted during operation can be reflected in such a way that they are directed into different, only partially geometrically overlapping target surfaces.
  • the lighting fixture according to the invention which is particularly suitable for use in a street lamp, thus enables a very high luminous range.
  • the use of the facet reflector means advantageously allows a compact construction of the lighting fixture.
  • the proportion of light reflected by the facet reflector means of that reflector segment within which the at least one LED illuminant and the facet reflector means directly assigned thereto is preferably 30% to 40%, in particular approximately 35%, of the primary light emitted by the LED illuminants.
  • the proportion of the light emerging directly (ie without reflections) from the reflector segments is preferably 50% to 60%, in particular approximately 55%, of the total of the LED lamps Primary light.
  • a plurality of reflector units in a housing of a lamp along the housing longitudinal direction may be arranged side by side and form a reflector.
  • the lighting fixture also has the features known from the prior art that the reflection facets are inclined relative to the LED illuminant or the group of LED illuminants of the respective reflector segment, wherein the inclination angles of the reflection facets in the row in which the Reflection facets are arranged side by side, identical or at least almost identical.
  • the reflection surfaces of adjacent reflection facets are planar (in the form of flat surfaces of degree 1) and are angled relative to one another.
  • each facet reflector means have angles of inclination which increase from the inside to the outside.
  • the reflection facets of the innermost row thus have the smallest inclination angle and the reflection facets of the outermost row the largest inclination angle (relative to the emission surface (s) of the LED illuminant or the group of LED illuminants).
  • the area of the illuminated, only partially geometrically overlapping target surfaces can be significantly increased in the surrounding area to be illuminated.
  • the reflection facets of the facet reflector means have a high-gloss surface.
  • the first reflector segment and the second reflector segment in the region of the abutting edge form an angle ⁇ between 130 ° and 150 °, in particular an angle ⁇ of about 140 °, with each other.
  • a mutual glare limitation for the mutually opposite and adjoining reflector segments can be created in an advantageous manner.
  • a very small proportion (preferably ⁇ 5%, ideally even lower) of the primary light emitted by the LED illuminants of the reflector segments is relatively widely reflected in the region of the abutment edge of a reflection base surface of the relevant reflector segment and emerges from the illumination body as reflected light.
  • the reflector segments of the reflector are shaped substantially like a blade.
  • all reflective surfaces of the reflector segments are planar (that is, surfaces of degree 1).
  • planar reflective surfaces After extensive experiments with differently shaped free-form surfaces, the use of planar reflective surfaces has been pronounced proven beneficial for the prevention of glare effects.
  • parabolic or concave surfaces are usually always associated with a focus formation and in the worst case with a very large increase in the observable luminance of the lighting fixture at certain viewing angles. Imaging the large "helical" images of LED bulbs with divergent or planar reflective surfaces eliminates this effect.
  • convex-shaped reflective surfaces prevent sufficient concentration of light for the necessary in particular for street lights ranges. For these reasons, the reflection surfaces of the reflector facets are also made planar and have no curvature or the like.
  • At least some, preferably all, reflecting surfaces of the reflector segments are formed matted. It has been shown that a preferably complete matting of the reflection surfaces of the reflector segments leads to comparatively smooth transitions in the light distribution of the light rays reflected at these surfaces.
  • the lighting fixture is a retrofit kit or a replacement unit for a lamp or a part of such a retrofit kit or a replacement unit for a lamp, in particular for a street lamp. It has been found that the photometric properties achievable with the lighting fixture presented here, in particular in street lights, have an advantageous effect.
  • a lamp according to the invention is characterized according to claim 8, characterized in that the lighting fixture is designed according to one of claims 1 to 7.
  • the lamp according to the invention is characterized by a high luminous efficacy, in particular a broad light distribution with high efficiency, as well as by a compact design.
  • a lighting fixture 1 which is particularly suitable for installation in a street lamp.
  • the lighting fixture 1 has a reflector 2, which can be used during assembly in a first housing part 3 of a housing of a lamp, in particular a street lamp, and can be attached to the first housing part 3 with the aid of suitable fastening means.
  • the housing of the lamp also has a transparent second housing part, which is attached to the first housing part 3, but not shown here for simplicity's sake.
  • the reflector 2 has a plurality of reflector units 20-27, which are arranged side by side in a first direction, which corresponds to the longitudinal direction of the lighting fixture 1.
  • Each of the - in this embodiment a total of eight - reflector units 20-27 is formed in two parts and has a first reflector segment 200 and, to the first reflector segment 200 mirror-symmetrical second reflector segment 201, which are integrally formed and folded several times and are shaped like a blade. In this scoop-like shape of the reflector segments 200, 201 will be discussed in more detail below.
  • the reflector segments 200, 201 are connected to each other by means of suitable fastening means.
  • the reflector segments 200, 201 are preferably made of aluminum, in particular by sheet metal bending. Alternatively, it is also possible that two reflector segments 200, 201 lying opposite one another form an integral unit.
  • each reflector unit 20-27 in the region of an in the installed state in the longitudinal direction of the lighting fixture 1 extending abutment edge 202 an angle ⁇ of about 140 ° with each other.
  • the angle ⁇ is preferably selected to be between 130 ° and 150 °.
  • each of the reflector segments 200, 201 has an obliquely extending, flat, reflection base 203, 204, which projects in an opposite direction obliquely and thus in relation to the associated one Reflection base 203, 204 angled holding portion 205, 206 open.
  • the flat reflection base surfaces 203, 204 taper in the direction of the corresponding holding regions 205, 206.
  • Each holding region 205, 206 has a recess not provided with reference symbols, in each case two multi-chip on-board in this exemplary embodiment LED bulbs 40, 41 are arranged one above the other.
  • each reflector segment 200, 201 with only one multi-chip-on-board LED illuminant 40, 41 or with more than two multi-chip on-board LED illuminants 40, 41.
  • the planar reflection base surface 203, 204 and the holding regions 205, 206 of the corresponding Reflector segments 200, 201 close to each other an angle> 90 °, preferably an angle between 110 ° and 120 °, a.
  • An effective heat dissipation of the heat generated during the operation of the multi-chip on-board LED lamps 40, 41 can advantageously take place via the reflector segments 200, 201 made of aluminum.
  • Each of the reflector segments 200, 201 is laterally delimited by a first reflector side wall with two reflection surfaces 209, 210 and an opposite second reflector side wall with likewise two reflection surfaces 211, 212.
  • the reflection surfaces 209, 210, 211, 212 of the reflector side walls each include an angle of> 90 ° with the reflection base surface 203, 204 of the respective luminous segment 200, 201.
  • One of the reflection surfaces 210, 212 of each reflector side wall is bent inwards relative to the other reflection surface 209, 211 and terminates in the holding region 205, 206 of the relevant reflector segment 200, 201.
  • the reflection base surfaces 203, 204 which in the present case each consist of two reflection surfaces 209, 210 , 211, 212 existing reflector side walls and the holding regions 205, 206 define the initially mentioned blade shape of the reflector segments 200, 201.
  • the reflection base surfaces 203, 204 and reflection surfaces 209, 210, 211, 212 of the reflector side walls of the reflector segments 200, 201 are designed to be frosted in this embodiment. Due to rather diffuse reflecting light components, relatively soft transitions in the light distribution of the light reflected at the reflection base surfaces 203, 204 and reflection surfaces 209, 210, 211, 212 of the reflector side walls are achieved.
  • a facet reflector means 50, 51 is arranged in each case.
  • Each of the facet reflector means 50, 51 has a plurality of superimposed rows of juxtaposed, preferably prism-like, reflection facets 500, 510 with flat reflecting surfaces.
  • the flat reflecting surfaces of the reflection facets 500, 510 are highly reflective (high-gloss) designed to increase the reflectance and the luminous range of the lighting fixture 1.
  • the facet reflector means 50, 51 thus extend in sections over the light cones of the primary light 400 emitted by the multi-chip on-board LED illuminants 40, 41.
  • the reflection surfaces of the facet reflector means 50, 51 in each of the rows are planar and angled towards each other and arranged and arranged so that the reflection facets 500, 510 at least a portion of the of the multi-chip on-board LED bulbs 40, 41 directly emitted primary light 400 can reflect, so that the light without further reflections as indirect light 400 'can emerge from the lighting fixture 1 in the environment.
  • This situation is in Fig. 5 shown illustrated by the reflector segment 200.
  • the reflection facets 500, 510 of the facet reflector means 50, 51 it is achieved that the light 400 'emitted by the multi-chip on-board LED illuminants 40, 41 and reflected by the facet reflector means 50, 51 does not enter the same Target surface of the illuminated area to be controlled. Rather, this results in a gradual, partial overlap of different target surfaces into which the primary light 400 emitted by the multi-chip on-board LED lamps 40, 41 is reflected. This measure ensures an increase in the luminous range and a broad distribution of light.
  • the proportion of the light 400 'reflected by the facet reflector means 50, 51 of that reflector segment 200, 201 within which the multi-chip on-board LED lamps 40, 41 and the facet reflector means 50, 51 directly assigned to them are typically 400' 30% to 40%, in particular about 35%, of the primary light 400 emitted by the multi-chip on-board LED illuminants 40, 41.
  • the proportion of light exiting directly (ie without reflections) from the reflector segments 200, 201 is typically 50% to 60%, especially about 55%, of the emitted primary light 400.
  • FIG. 12 shows a simulation of the reflections of a plurality of primary beams 400 emitted from the multi-chip on-board LED lamps 40, thereby striking the facet reflector means 51 of the opposite reflector segment 201 to be reflected therefrom.
  • a very small proportion (preferably ⁇ 5%, ideally even lower) of the primary light 400 emitted by the multi-chip on-board LED lamps 40 of the first reflector segment 200 in the region of the abutting edge 202 of the reflection base 203 of the relevant Reflector segment 200 is relatively broadly reflected and emerges as a reflected portion 400 "'from the lighting body 1.
  • the reflector segments 200, 201 of each reflector unit 20-27 in the region of the abutting edge 202 can not angle out of the illumination body 1 without reflection on the reflection base 203 and between 130 ° and 150 ° ° in particular an angle of about 140 °, an effective glare limitation is advantageously provided.
  • the reflection base surfaces 203, 204 and reflection surfaces 209, 210, 211, 212 of the reflector side walls of both reflector segments 200, 201 are in the present case designed as planar surfaces (flat surfaces).
  • the reflection facets 500, 510 of the facet reflector means 50, 51 are made planar.

Claims (8)

  1. Luminaire (1) d'une lampe, notamment d'un lampadaire, comprenant :
    - au moins une unité de réflecteurs (20 à 27), avec un premier segment de réflecteurs (200) qui comprend une pluralité de surfaces réfléchissantes et avec un deuxième segment de réflecteurs (201), qui comprend une pluralité de surfaces réfléchissantes, les deux segments de réflecteurs (200, 201) étant conçus et placés de sorte à être au moins directement adjacents, au moins par parties le long d'une lisière (202) commune,
    - au moins une première ampoule à LED ou un premier groupe d'ampoules à LED qui est/sont placé (e) (s) à l'intérieur du premier segment de réflecteurs (200),
    - au moins une deuxième ampoule à LED ou un deuxième groupes d'ampoules à LED qui est/sont placé(e)(s) à l'intérieur du deuxième segment de réflecteurs (201),
    - un premier moyen réfléchissant (50) à facettes, avec un nombre de rangées superposées de facettes réfléchissantes (500) placées côte à côte, qui est monté sur une extrémité du premier segment de réflecteurs (200) qui est opposée à la lisière (202), ainsi
    - qu'un deuxième moyen réfléchissant (51) à facettes, avec un nombre de rangées superposées de facettes réfléchissantes (510) placées côte à côte, qui est monté sur une extrémité du deuxième segment de réflecteurs (201) qui est opposée à la lisière (202),
    les facettes réfléchissantes (500, 510) des réflecteurs (50, 51) à facettes étant conçues et placées de sorte à pouvoir réfléchir une partie de la lumière émise en service par la première et la deuxième ampoules à LED ou par le premier et le deuxième groupes d'ampoules à LED, de sorte à être dirigée dans différentes surfaces cibles ne se chevauchant géométriquement qu'en partie et les facettes réfléchissantes (500, 510) étant placées en étant inclinées vers les ampoules à LED ou les groupes d'ampoules à LED du segment de réflecteurs (200, 201) concerné, dans la rangée, dans laquelle les facettes réfléchissantes (500, 510) sont placées côte à côte, les angles d'inclinaison des facettes réfléchissantes (500, 510) étant identiques ou au moins pratiquement identiques, caractérisé en ce que les facettes réfléchissantes (500, 510) de rangées voisines de chacun des moyens réfléchissants (50, 51) à facettes présentent des angles d'inclinaison croissants de l'intérieur vers l'extérieur.
  2. Luminaire (1) selon la revendication 1, caractérisé en ce que les facettes réfléchissantes (500, 510) des moyens réfléchissants (50, 51) à facettes comportent une surface à haute brillance.
  3. Luminaire (1) selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que dans la région de la lisière (202), le premier segment de réflecteurs (200) et le deuxième segment de réflecteurs (201) forment ensemble un angle α compris entre 130° et 150°, notamment un angle α d'environ 140°.
  4. Luminaire (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les segments de réflecteurs (200, 201) du réflecteur (2) sont façonnés sensiblement en forme de pales.
  5. Luminaire (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que toutes les surfaces réfléchissantes des segments de réflecteurs (200, 201) sont conçues en étant planes.
  6. Luminaire (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'au moins certaines, de préférence toutes les surfaces réfléchissantes des segments de réflecteurs (200, 201) sont conçues en étant amaties.
  7. Luminaire (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les ampoules à LED sont conçues en tant qu'ampoules à LED (40, 41), en version Multi-Chip-on-Board.
  8. Lampe, notamment lampadaire, avec un boîtier à l'intérieur duquel est logé au moins un luminaire (1), caractérisé en ce que le luminaire (1) est réalisé selon l'une quelconque des revendications 1 à 7.
EP14170634.1A 2013-05-31 2014-05-30 Corps d'éclairage d'une lampe, notamment d'un lampadaire, et lampe dotée d'au moins un corps d'éclairage Not-in-force EP2808601B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL14170634T PL2808601T3 (pl) 2013-05-31 2014-05-30 Element oświetleniowy oprawy oświetleniowej, zwłaszcza ulicznej oprawy oświetleniowej i oprawa oświetleniowa z co najmniej jednym elementem oświetleniowym
SI201430114A SI2808601T1 (sl) 2013-05-31 2014-05-30 Svetlobno telo luči, še posebej cestne svetilke in luč z vsaj enim svetlobnim telesom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013105612.1A DE102013105612B4 (de) 2013-05-31 2013-05-31 Beleuchtungskörper einer Leuchte, insbesondere einer Straßenleuchte, und Leuchte mit mindestens einem Beleuchtungskörper

Publications (3)

Publication Number Publication Date
EP2808601A2 EP2808601A2 (fr) 2014-12-03
EP2808601A3 EP2808601A3 (fr) 2015-01-14
EP2808601B1 true EP2808601B1 (fr) 2016-09-21

Family

ID=50828790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14170634.1A Not-in-force EP2808601B1 (fr) 2013-05-31 2014-05-30 Corps d'éclairage d'une lampe, notamment d'un lampadaire, et lampe dotée d'au moins un corps d'éclairage

Country Status (5)

Country Link
EP (1) EP2808601B1 (fr)
DE (1) DE102013105612B4 (fr)
ES (1) ES2608385T3 (fr)
PL (1) PL2808601T3 (fr)
SI (1) SI2808601T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3283818B1 (fr) * 2015-04-14 2020-09-23 Simes S.p.A. Module d'éclairage
DE102016002072A1 (de) * 2016-02-23 2017-08-24 Selux Aktiengesellschaft Leuchte mit den Leuchtmitteln gegenüberliegenden Reflektoren, Bausatz und Reflektor hierfür

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4954883B2 (ja) * 2004-10-18 2012-06-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 高効率ｌｅｄ光源装置
DE102009034126A1 (de) * 2008-10-17 2010-04-22 BöSha Technische Produkte GmbH & Co. KG Leuchteinheit
DE202009014103U1 (de) 2008-10-17 2010-03-11 BöSha Technische Produkte GmbH & Co. KG Leuchteinheit für eine Straßenlaterne
DE102009058309A1 (de) * 2009-07-09 2011-01-13 Siteco Beleuchtungstechnik Gmbh LED-Leuchteneinsatz
US8197105B2 (en) * 2009-08-13 2012-06-12 Intematix Corporation LED-based lamps
DE102009056385A1 (de) * 2009-11-30 2011-06-01 Osram Gesellschaft mit beschränkter Haftung Leuchte und Verkehrswegbeleuchtungseinrichtung
DE102010007774A1 (de) * 2010-02-12 2011-08-18 Siteco Beleuchtungstechnik GmbH, 83301 Drei-Zonen Reflektor
DE102010014099A1 (de) * 2010-04-07 2011-10-13 Siteco Beleuchtungstechnik Gmbh Leuchte mit Abdeckscheibe
DE102011017161A1 (de) * 2011-04-15 2012-10-18 Cooper Crouse-Hinds Gmbh Leuchte

Also Published As

Publication number Publication date
DE102013105612A1 (de) 2014-12-04
EP2808601A3 (fr) 2015-01-14
SI2808601T1 (sl) 2017-04-26
ES2608385T3 (es) 2017-04-10
PL2808601T3 (pl) 2017-05-31
DE102013105612B4 (de) 2016-12-15
EP2808601A2 (fr) 2014-12-03

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