EP1209409A2 - Dispositif d'éclairage extérieur à caratéristiques d' émission de lumière ameliorées - Google Patents

Dispositif d'éclairage extérieur à caratéristiques d' émission de lumière ameliorées Download PDF

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Publication number
EP1209409A2
EP1209409A2 EP00128273A EP00128273A EP1209409A2 EP 1209409 A2 EP1209409 A2 EP 1209409A2 EP 00128273 A EP00128273 A EP 00128273A EP 00128273 A EP00128273 A EP 00128273A EP 1209409 A2 EP1209409 A2 EP 1209409A2
Authority
EP
European Patent Office
Prior art keywords
reflector
light
partially
areas
facets
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
EP00128273A
Other languages
German (de)
English (en)
Other versions
EP1209409A3 (fr
EP1209409B1 (fr
Inventor
Janusz Teklak
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 EP1209409A2 publication Critical patent/EP1209409A2/fr
Publication of EP1209409A3 publication Critical patent/EP1209409A3/fr
Application granted granted Critical
Publication of EP1209409B1 publication Critical patent/EP1209409B1/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
    • 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
    • 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
    • F21V7/10—Construction
    • 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
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • 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

Definitions

  • the invention relates to an outdoor lamp according to the preamble of claim 1.
  • Such Light is z. B. from DE 198 34 195 A1.
  • an outdoor lamp in particular for lighting a strip-shaped area or space section, e.g. B. a street or one Tunnels, with one or more lamps arranged in a reflector, the reflector has a light exit opening and the lamps are arranged so that light from the lamps on the reflector are reflected to the light exit opening of the reflector, characterized in that, preferably in the region of the side walls of the reflector, at least a first contiguous area of the reflector light at least partially is scattering and at least a second contiguous area of the reflector is essentially reflective.
  • the light at least partially scattering region of the reflector can be part of the incident Reflect light directed and scatter a further portion of the light.
  • a surface structure is formed in the corresponding area which has sections with a smooth surface that reflect light in a directed manner, and irregularly shaped surface sections, which from a certain Due to the irregularity, the incident light can be reflected in different directions.
  • the irregularly shaped surface sections can, taken on their own, be quite reflective. However, these surface sections are compared with the total area of the area in question or, if necessary, also compared with the directionally reflecting sections of this area, so small that the proportion of light, that reflects in a certain direction from such an irregular structure becomes small compared to the total amount of reflected light.
  • the essentially directionally reflecting areas of the reflector are usually included a smooth surface. According to the invention, however, these areas can also scatter a small part of the reflected light, but this part is smaller in the As a rule, it is significantly smaller than the portion that reflects scattering from the first area becomes.
  • the first and second areas have at least dimensions in which the light at least partially scattering surfaces appear uniform, e.g. uniform matt or structured uniformly (not necessary regularly). These dimensions are larger than the distance at which the surface structure varies or shows irregularities. If the reflector has facets, the first and second areas are preferably at least in each case as big as a facet.
  • the invention can provide that an area or that area of the reflector, which light at least partially reflects in the vicinity of the lamp, at least light is partially scattered.
  • the close range can be defined as a spatial area in which there are illuminated areas (e.g. road surfaces or tunnel walls) with a distance from the luminaire smaller than a certain limit, the limit being in a range of 3 m to 6 m can lie.
  • illuminated areas e.g. road surfaces or tunnel walls
  • At least one reflector area the light up to an angle of 0 ° to 40 °, based on a perpendicular the light exit surface of the reflector, reflected, at least partially designed to scatter light his.
  • the angular range given above includes those angles, which arise in most practical applications, depending on the problem to be solved lighting task, e.g. B. depending on how high the lamp above the floor at what distance from the luminaire there are illuminated surfaces such as or tunnel walls, this limit angle should be chosen larger.
  • the invention can also provide that at least one reflector area, the light up to one Angles from 0 ° to 40 °, based on the vertical in the room, reflect, light at least is partially scattered.
  • the reflector at least partially consists of individual reflector strips Facets is built, which, starting from the light exit opening, in one Extend direction perpendicular to this, with at least one contiguous group of facets, which comprise facets of one or more strips, at least light is partially scattered and / or at least one coherent group of Facets, which essentially comprise facets from one or more reflector strips is directed reflective.
  • two or more of the groups mentioned above may be provided.
  • facets that reflect in the vicinity of the lamp can Light can be at least partially scattered.
  • the reflector has a roof section and has reflective side walls, at least one on the roof portion adjacent area of the side walls is at least partially scattered light.
  • the roof section can also at least partially scatter light in whole or in part be trained.
  • a directionally reflective Area connects below one, several or all of these light at least partially scattering areas towards the light exit opening a directionally reflective Area connects.
  • the invention can also provide that a directly adjacent to the light exit opening Area of the reflector is directed reflective.
  • the one adjacent to the light exit opening is directed reflective reflector area essentially over the entire circumference of the light exit opening extends.
  • the invention can also provide that the reflector and the lamp of the lamp are designed in this way and are arranged so that the spatial area reflects light from the reflector becomes essential in a plane parallel to the light exit surface along a first axis is larger than along a second axis perpendicular thereto, at least one reflector region, the light reflects essentially in a direction parallel to the second axis, Scattering light at least partially, e.g. B. is matt. It can be provided in particular be that at least one reflector area, the light essentially in one direction reflected perpendicular to the longitudinal axis of the illuminated terrain section, at least is partially scattered light.
  • the invention can provide that a or several other reflector areas, which light in an angular area around said second axis in the above-mentioned plane or around the direction perpendicular to the Reflect the longitudinal direction of the illuminated terrain section, at least partially light are scattered.
  • This angular range can e.g. B. in a range of ⁇ 10 ° to ⁇ 80 °. If the area to be illuminated is narrow and surrounded by walls, for example in narrow tunnels, this angular range can be very large, e.g. B. 80 °, while if the area to be illuminated is wider, it is usually smaller becomes.
  • the lamp according to the invention can be inclined to the horizontal, so that the light exit surface is not parallel to the horizontal.
  • Such a design of the reflector is advantageous if in the direction in which this reflector area reflects a wall on which there is a stripe pattern of the reflector.
  • the invention can in particular provide that reflector areas which light in two opposite Directions, each substantially parallel to said second axis are, reflect, light are at least partially scattered.
  • Such an embodiment is particularly advantageous if it is in the direction the second axis on both sides of the lamp walls, as z. B. in road tunnels the case is.
  • the lights are at least partially scattering areas of the reflector with a structure that at least partially scatters light Mistake.
  • Such a structure can be, for example, a sandblasting structure, a hammer blow structure, or be a leather grain structure.
  • a leather grain structure can in particular provide a structure of line-like elevations on a surface that is smooth in and of itself, which are irregular both in terms of their course and in terms of their height. These ridges form narrow strips that run through the surface and its Width relatively small in relation to the area in question, e.g. B. to the area one facet.
  • the surface of the elevation can itself be reflective. There however, if its width is very narrow, the proportion of the light it reflects is relative small. Since the surface of this surface is irregular, it becomes smaller accordingly Light components reflected irregularly in different directions, so that a Light scattering effect results.
  • the invention can also provide that the surface of the corresponding area is a
  • the vaulted structure is as it is, for example, by a method according to DE 43 11 978 C1, DE 44 01 974 A1, DE 44 37 986 A1, DE 195 12 533 A1, DE 196 11 478 A1, DE 196 34 244 A1 or DE 196 51 937 A1 is available, such a structure not necessarily produced by a method according to one of the aforementioned publications must be, but only has the same properties as one produced by this method Structure. In particular if the reflector is made of plastic, alternatives can be used Processes for manufacturing identical or similar structures can be used.
  • the structure can in particular also be designed so that a part of the corresponding Area of incident light is reflected and another part of the reflected on the area of incident light is scattered, the proportion of the directed light definitely can outweigh.
  • the light-scattering part ensures that the space, in which the corresponding reflector area, e.g. B. one or more facets, not reflected is sharply delimited, but rather has a smeared transition, d. H. one Border area in which the light intensity of the light reflected by the facet is not sharp, but falls off with a more or less extended flank.
  • areas with different light can at least be in the reflector partially scattering structures may be provided.
  • the invention also provides a method of manufacturing a reflector for a lamp such as previously described available, wherein the reflector is formed by a molding tool which is characterized in that the molding tool in areas which Correspond at least partially scattering areas of the reflector with the negative a structure that is at least partially scattering light.
  • the reflector is molded from plastic.
  • the molding tool in areas which reflect directionally Correspond to areas of the reflector, is polished.
  • the smooth areas of the mold accordingly lead to smooth surfaces of the reflector, while rough surfaces of the Lead to a rough and thus light-scattering surface of the reflector.
  • the molding tool is also polished in areas in which a light-scattering structure is provided, so that the surfaces of the structure are locally smooth and therefore specularly reflective. The light In these cases, the scattering effect is due to the macroscopically irregular Course of the surface.
  • the invention can also provide that the inner wall of the reflector after the molding process is provided with a reflective coating.
  • the invention can also provide that the reflector is made of sheet metal in a conventional manner is formed, which was structured with a light-scattering structure before the molding process is. If the reflector is made of Belch, a step shape can be created between the individual ones Realize reflector strips only with difficulty, so that it can also be provided that between two directly adjacent reflector strips in the vertical direction a free space not filled with material remains with the reflecting surface.
  • the reflector pot In general, but especially if the reflector pot is made of sheet metal, it can make sense to build the reflector pot from several individual parts, for example from a first part, which contains the structured facets and a second part, which that contains unstructured facets.
  • the invention is based on the surprising finding that the previously described Streakiness without significant loss for the efficiency of the lamp and for the Luminous intensity distribution can generally be solved by a part of the reflector at least light is partially scattering and another part of the reflector is high-gloss is trained.
  • the high-gloss areas or facets which are preferably in the area of Light exit opening or adjacent to it, ensure an optimal and targeted Light distribution on the section to be illuminated, e.g. a road surface, and thereby for the optimal lighting quality, which is reflected in the case of street lighting a high luminance of the road, a high luminance uniformity of the road and in a glare limitation of the luminaire with the smallest possible number of luminaires and low energy consumption of the individual lights.
  • the matt reflector areas ensure targeted light scattering or light insulation.
  • Fig. 1 shows a schematic plan view of a reflector of an inventive Lamp.
  • Fig. 1 shows a reflector, generally designated 1, for a street lamp according to the invention, the reflective inner surface of which has the shape of an oval, which is cut or cut at the two end faces.
  • Fig. 1 shows a view of the light exit opening of this reflector.
  • a lamp (not shown) is inserted in the reflector, the feed line and socket of which are inserted into the reflector via the recess 5 on the end face of the reflector labeled A.
  • the reflector 1 has a roof section 7, which has a regular structure of pyramid-shaped elevations, which are indicated in the drawing, and side walls 9 1 , 9 2 and 9 3 , which extend between the light exit opening and this roof section.
  • the side walls 9 1 and 9 2 are constructed from reflector strips 11, which extend between the light exit opening and the roof section 7 and are arranged directly adjacent to one another along the circumference of the reflector 1, so that the entire circumference of the reflector is formed by such reflector strips.
  • the transition between the individual reflector strips 11 is not necessarily continuous, but can, depending on the different orientation of the facets in adjacent reflector strips, be step-like. Even within the reflector strips, the transition between the individual facets, which are each individually oriented, does not necessarily have to be continuous. Successive facets of a strip can also be slightly offset from one another.
  • the reflector strips themselves are each constructed from a plurality of reflector facets 13, which are arranged in succession in the direction from the light exit opening to the roof section 7.
  • the side wall 9 3 is formed by a single region of specularly reflecting reflector facets 14 which extend over the entire width of this side wall.
  • Each of these reflector facets 13 and 14 reflects light from the lamp essentially into a certain angular range.
  • the entirety of the reflector facets determines the luminous intensity distribution curve of the luminaire or the illuminance or the luminance distribution on the area section to be illuminated. Due to the individual alignment of the facets, each emitting light in a certain angular range, into which light is emitted by the luminaire, the illuminance or the luminance distribution can be built up from the individual reflections of the individual facets and can thus be designed in a wide range.
  • Reflector facets which are located near the light exit opening, tend to reflect into a distant area of the lamp or at relatively flat angles to the light exit opening, while facets, which are closer to the roof section 7, reflect into the near area of the lamp.
  • the roof section 7 has the pyramid-shaped elevations matt or diffusely reflective.
  • the hatched in Fig. 1 Reflector facets designed to scatter light.
  • the non-hatched facets are against it directed reflective. It can be seen that in a directly at the light outlet Adjacent area 15 of facets that spans the entire perimeter of the reflector extends, the facets are reflective. However, the width of this area varies. Near the face A, this area is narrow, while it is in the middle of the side faces C and D is wider. In the area of the long sides C and D reflect the matt Reflector facets on the floor in the vicinity of the lamp.
  • the directed or specularly reflecting reflector facets reflect in the far area.
  • the lamp according to the invention can with respect to the reflector structure in particular as described in DE 198 34 195 A1, to which by way of Reference is made to the design of the reflector and the Luminaire generally forms part of this description by reference.
  • the range would be directional reflective Facets around the light exit opening in the reflector strips A are relatively narrow, would then increase in areas B, C, D, E and F and then in areas G and H take off again.
  • the facets on the side 9 3 are all directed or reflective. Such a design is useful if there are no illuminated surfaces in the vicinity of the lamp on the side opposite to side B. However, if such areas are present in the vicinity of the front side B, as is the case with tunnels, for example, the side 9 3 can be designed similarly to the area of the side A, for example in such a way that, starting from the roof section 7, a or several successive facets 14 are at least partially scattered, whereby the entire area of the side wall 9 3 can also be designed to scatter light.
  • the reflector shown above was formed in one piece, it can also be formed by several parts.
  • the side wall 9 3 is designed as an insert which, depending on the desired lighting task, can be exchanged for a light-scattering insert.
  • the reflector is set up in such a way that the specularly reflecting wall 9 3 can be covered by an insert which is wholly or partly designed to scatter light.
  • the reflector shown in FIG. 1 is in one according to an embodiment of the invention Luminaire housing added or forms such a luminaire housing.
  • the invention can also provide that two or more such reflectors are accommodated in a lamp housing are.
  • Two or more reflectors, as shown in Fig. 1, can also be made from one Be formed piece and connected to each other via the edge regions 17.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP00128273A 2000-11-28 2000-12-22 Dispositif d'éclairage extérieur à caratéristiques d' émission de lumière ameliorées Expired - Lifetime EP1209409B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10059097 2000-11-28
DE10059097 2000-11-28

Publications (3)

Publication Number Publication Date
EP1209409A2 true EP1209409A2 (fr) 2002-05-29
EP1209409A3 EP1209409A3 (fr) 2004-11-10
EP1209409B1 EP1209409B1 (fr) 2010-06-16

Family

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EP00128273A Expired - Lifetime EP1209409B1 (fr) 2000-11-28 2000-12-22 Dispositif d'éclairage extérieur à caratéristiques d' émission de lumière ameliorées

Country Status (3)

Country Link
EP (1) EP1209409B1 (fr)
AT (1) ATE471486T1 (fr)
DE (1) DE50015941D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006018756A1 (fr) * 2004-08-19 2006-02-23 Koninklijke Philips Electronics N.V. Luminaire pour eclairage des voies publiques
DE102009053207A1 (de) * 2009-11-06 2011-05-12 Auer Lighting Gmbh Reflektorleuchte
DE102006030646B4 (de) * 2006-04-21 2012-04-26 Siteco Beleuchtungstechnik Gmbh Innenraumleuchte zur Ausleuchtung einer Wand oder Decke
EP1996857A4 (fr) * 2006-03-13 2013-07-24 Koninkl Philips Electronics Nv Dispositif optique destine a melanger et a rediriger de la lumiere

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311978C1 (de) 1993-04-06 1994-04-21 Frank Prof Dr Mirtsch Verfahren zur Beulverformung dünner Wände und Folien
DE4401974A1 (de) 1993-04-06 1995-07-27 Frank Prof Dr Mirtsch Verfahren und Vorrichtung zur Beulverformung
DE4437986A1 (de) 1994-10-24 1996-04-25 Frank Dr Mirtsch Verfahren zur Wölbstrukturierung dünner Wände und Folien
DE19512533A1 (de) 1995-04-05 1996-10-10 Frank Dr Mirtsch Verfahren zur Wölbstrukturierung und Profilierung dünner Wände und Folien
DE19611478A1 (de) 1996-03-23 1997-09-25 Frank Prof Dr Mirtsch Verfahren zur Erhöhung der Formfestigkeit dünner Materialbahnen
DE19634244A1 (de) 1996-08-25 1998-02-26 Frank Prof Dr Mirtsch Verfahren zur Erhöhung der Formsteifigkeit beulstrukturierter Materialbahnen
DE19651937A1 (de) 1996-12-15 1998-06-18 Frank Prof Dr Mirtsch Verfahren zur mehrfachen Strukturierung dünnwandiger Materialbahnen
DE19834195A1 (de) 1998-07-29 2000-02-10 Siteco Beleuchtungstech Gmbh Außenleuchte

Family Cites Families (8)

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GB1133479A (en) * 1966-02-04 1968-11-13 Rausing Anders Ruben Method and means for forming articles from sheet plastics material
DD98567A1 (fr) * 1972-07-10 1973-06-20
DE3111701A1 (de) * 1981-03-25 1982-10-07 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg "leuchte mit einer kolbenfoermigen gasentladungslampe"
DE19508905B4 (de) * 1995-03-11 2007-04-26 Sl, Sonderkonstruktionen Und Leichtbau Gmbh Beleuchtungseinheit
US5865530A (en) * 1996-02-15 1999-02-02 Valeo Sylvania Filled resin lamp reflector with no base coat and method of making
US6152583A (en) * 1998-02-20 2000-11-28 Genlyte Thomas Group Llc Adjustable luminaire having pivotable lamp and reflector assembly
DE29824189U1 (de) * 1998-07-29 2000-09-07 Siteco Beleuchtungstechnik GmbH, 83301 Traunreut Außenleuchte
GB9903182D0 (en) * 1999-02-13 1999-04-07 Abacus Holdings Ltd Improved reflector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311978C1 (de) 1993-04-06 1994-04-21 Frank Prof Dr Mirtsch Verfahren zur Beulverformung dünner Wände und Folien
DE4401974A1 (de) 1993-04-06 1995-07-27 Frank Prof Dr Mirtsch Verfahren und Vorrichtung zur Beulverformung
DE4437986A1 (de) 1994-10-24 1996-04-25 Frank Dr Mirtsch Verfahren zur Wölbstrukturierung dünner Wände und Folien
DE19512533A1 (de) 1995-04-05 1996-10-10 Frank Dr Mirtsch Verfahren zur Wölbstrukturierung und Profilierung dünner Wände und Folien
DE19611478A1 (de) 1996-03-23 1997-09-25 Frank Prof Dr Mirtsch Verfahren zur Erhöhung der Formfestigkeit dünner Materialbahnen
DE19634244A1 (de) 1996-08-25 1998-02-26 Frank Prof Dr Mirtsch Verfahren zur Erhöhung der Formsteifigkeit beulstrukturierter Materialbahnen
DE19651937A1 (de) 1996-12-15 1998-06-18 Frank Prof Dr Mirtsch Verfahren zur mehrfachen Strukturierung dünnwandiger Materialbahnen
DE19834195A1 (de) 1998-07-29 2000-02-10 Siteco Beleuchtungstech Gmbh Außenleuchte

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006018756A1 (fr) * 2004-08-19 2006-02-23 Koninklijke Philips Electronics N.V. Luminaire pour eclairage des voies publiques
EP1996857A4 (fr) * 2006-03-13 2013-07-24 Koninkl Philips Electronics Nv Dispositif optique destine a melanger et a rediriger de la lumiere
DE102006030646B4 (de) * 2006-04-21 2012-04-26 Siteco Beleuchtungstechnik Gmbh Innenraumleuchte zur Ausleuchtung einer Wand oder Decke
DE102009053207A1 (de) * 2009-11-06 2011-05-12 Auer Lighting Gmbh Reflektorleuchte
US8931926B2 (en) 2009-11-06 2015-01-13 Auer Lighting Gmbh Reflector luminaire

Also Published As

Publication number Publication date
ATE471486T1 (de) 2010-07-15
DE50015941D1 (de) 2010-07-29
EP1209409A3 (fr) 2004-11-10
EP1209409B1 (fr) 2010-06-16

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