EP0836046B1 - Dispositif d'éclairage extérieur à éclairage indirect - Google Patents

Dispositif d'éclairage extérieur à éclairage indirect Download PDF

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Publication number
EP0836046B1
EP0836046B1 EP96115856A EP96115856A EP0836046B1 EP 0836046 B1 EP0836046 B1 EP 0836046B1 EP 96115856 A EP96115856 A EP 96115856A EP 96115856 A EP96115856 A EP 96115856A EP 0836046 B1 EP0836046 B1 EP 0836046B1
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EP
European Patent Office
Prior art keywords
reflector
curvature
light
elements
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
EP96115856A
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German (de)
English (en)
Other versions
EP0836046A1 (fr
Inventor
Tobias Schiebold
Thomas Klimiont
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
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Application filed by Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Priority to DE59602490T priority Critical patent/DE59602490D1/de
Priority to EP96115856A priority patent/EP0836046B1/fr
Priority to AT96115856T priority patent/ATE182396T1/de
Publication of EP0836046A1 publication Critical patent/EP0836046A1/fr
Application granted granted Critical
Publication of EP0836046B1 publication Critical patent/EP0836046B1/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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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 with secondary technology according to the preamble of claim 1.
  • the principle of so-called Secondary technology has been widely used for a long time.
  • the principle is always a light source through a primary reflector shielded for a viewer. That from the Light source emitted directly or indirectly via the primary reflector Light hits a secondary reflector from where it is emitted as useful light after repeated reflection becomes.
  • this secondary technology is only used in exterior lighting used occasionally.
  • an outdoor lamp known, on the A launcher unit in which the The light source and the primary reflector are shielded is.
  • the light emitted upwards by the projector unit is directed against the underside of a flat roof reflector, the diffusely reflecting underside in this embodiment forms the actual secondary reflector.
  • surface is a directional light distribution, as they are especially for universally applicable outdoor lights is to be requested only to a limited extent, e.g. possible by swiveling the roof reflector.
  • the known lighting arrangement is designed so that the glowing perceived from a certain viewing distance Areas of the individual reflectors a predetermined maximum size do not exceed and adjacent lighting areas have a predetermined minimum distance from one another, so that they can be distinguished from one another by a viewer are.
  • This is the known lighting arrangement for one Outdoor area specifically tailored to an application, in which the mentioned boundary conditions with regard to the sizes and distances of the individual reflectors perceivable by an observer in the form of luminous surfaces.
  • the present invention is therefore based on the object for an outdoor lamp of the type mentioned in the beginning Embodiment to create an economical street lighting with the usual demands of one if possible high uniformity of luminance at the user level and a glare limitation that meets the regulations for enables road traffic.
  • this solution according to the invention is the secondary reflector from a large number of reflector elements arranged in a grid composed, which are manufactured as individual elements and completely similar, especially in terms of their arch structure are trained.
  • This arch structure exists - figuratively speaking - from a grid of each other vertical curvature contours of a first or a second type.
  • each of these reflector elements assuming approximately perpendicular to the surface and bundled incident light completely different Light distribution characteristics in the two to each other and Center planes perpendicular to the base of the reflector elements.
  • an outdoor lamp is shown schematically, at the so-called secondary technology is used.
  • a projector unit 1 in which - how indicated by dash-dotted lines - a light source 11 as well as surrounding a primary reflector 12 so arranged are that all light emitted by the light source 11 passing through a light exit opening 13 of the launcher unit 1 is emitted upwards.
  • a roof reflector 2 arranged in this Embodiment of roof struts 3 with the launcher unit 1 is connected.
  • this reflector 2 shows the roof reflector 2 in a view from below shown. This view illustrates that on the bottom this reflector 2 is a secondary reflector at its center 4 is provided, which consists of a plurality of grid-shaped arranged reflector elements 41 assembled is.
  • This secondary reflector takes over in the described exterior light with its reflector elements to be explained in more detail 41 essentially the light-guiding function, with which a certain radiation characteristic of the Outdoor lamp can be achieved.
  • Glare leads to discomfort and insecurity for a driver and fatigue on the one hand and affects his Visual function on the other hand.
  • Glare is essentially dependent on the light intensity of the outdoor lights in the radiation areas with a radiation angle measured against the vertical between 70 and 90 °, apart from other influencing parameters, like the adaptation luminance, the location of the Glow in the visual field and also the size of the glowing Surface. According to DIN 5044, the most important measure is therefore: Limitation of glare limits the light intensity the outdoor lights in this particular angular range, where light intensity limits are set for the C planes apply, in which the are at a beam angle of 80 ° radiated light intensity on the eye of the beholder is directed.
  • the arrangement and configuration of the reflector elements 41 are conditional in total the light-guiding function of the secondary reflector 4 to achieve a desired light emission characteristic the outdoor light, the required Glare limitation should be met.
  • the lighting of traffic routes play above all proportionally large distances of an observer from the shining lamp matter because of the charisma characteristics of outdoor lights be designed so that they are still at relatively high Beam angles have a high light intensity in order in this way realize relatively large luminaire spacing can.
  • this case is schematic for an observer indicated, whose observation location in one there is a large distance B from the outside light.
  • Figure 4 shows an example of this in the form of a schematic three-dimensional representation of a reflector element 41 with a square base, if in itself one rectangular base would be conceivable.
  • the curved surface the reflector elements 41 can be separated from one another by two groups describe vertical curvature contours 45 or 46. All the first curvature contours 45 lie in each case in one of the xz planes; the second are accordingly Dome contours 46 aligned in one of the yz planes.
  • section lines V / V or VI / VI in Figure 4 indicated, each a section along an xz plane or a yz plane through the reflector element shown Mark 41.
  • C90-270 ° plane In the perpendicular to it C90-270 ° plane would be the light distribution at one above the Luminaire arranged in the middle of the street, preferably narrow beam with the requirement that the width of the traffic route should be as possible illuminate evenly without unwanted stray light falls on the areas next to the traffic route.
  • the curvature contours 45 or 46 of the reflector elements 41 - first by way of example - explain.
  • the surface of the secondary reflector is 4 facing the launcher unit 1, i.e. the curved surface of the reflector elements 41 faces the projector unit 1 opposite.
  • the first curvature contour shown in FIG 45 assumed parallel to the C0-180 ° plane.
  • this first curvature contour 45 is with respect to one Center axis mirror-symmetrical, which is why only one of the two contour halves is shown and viewed becomes. It begins in the vicinity of this axis with a circular arc section, whose vertex lies on the axis. On the outside, it goes into a tangential, empirically developed marginal area above that with decreasing Curvature becomes approximately rectilinear and at the same time opposite the center area drops relatively sharply.
  • the first curvature contour 45 thus has a first contour area 51, which mainly the function of the reflector elements 41 determined with regard to small beam angles. Light that strikes this first contour area 51 is preferred and with relatively high uniformity reflected essentially against the direction of irradiation.
  • the second contour area adjoining the outside 52 of the first curvature contour 45 is designed to be incident Direct light towards higher beam angles, but with high beam angles - for example in the area of 80 ° measured against the vertical - a clear limitation takes place. This enables the fully assembled Luminate the requirements of the glare limitation of outdoor lights according to DIN 5054.
  • first curvature contours 45 to be regarded as continuous are between these two contour areas 51 and 52 a transition region 53 overlapping both, its deflecting function - with regard to the mounted outdoor light - still both in the vicinity of the outdoor light and already is to be assigned to the long-range area.
  • the second ones shown in FIG. 6 run differently Curvature contours 46, their share parallel to the C90-270 ° plane is aligned.
  • This contour profile is completely asymmetrical, begins with a circular arc at one edge extending area whose apex - deviating from the first curvature contour 45 - at a predetermined distance to this edge.
  • the second Curvature contours 46 completely from a circular arc section to form, to optimize the charisma the reflector elements 41 can be in this plane but if necessary on this circular arc-shaped section, set tangentially, a second area with a preferably connect continuously decreasing curvature that approximates runs out linearly.
  • the lateral offset of the vertex the curvature of the second curvature contour 46 with respect to the one of the edge sides of the reflector elements 41 helps that the reflector element 41 in the region of small beam angles the incident light with the highest possible uniformity reflected on both sides in the C90-270 ° plane.
  • the intensity of light decreases due to the asymmetrical design of the second curvature contour 46 strong from.
  • Reflector element 41 with a strongly asymmetrical Light distribution characteristic forms the basic element for the secondary reflector 4. It can with different orientation arranged in the grid of the secondary reflector 4 become. Since the functions of the individual reflector elements 41 of the secondary reflector 4 overlay, it is by individual Arrangement and orientation of the reflector elements 41 possible in the secondary reflector 4, with this certain light distribution characteristics to realize. To do this below easy to demonstrate is shown in Figure 4 an arrow 7 an orientation direction for the reflector elements 41 set as an example.
  • the reflector elements 41 are with respect to a center line of the secondary reflector 4 in mirror image to one another arranged symmetrically.
  • this arrangement of the reflector elements 41 can be a mirror image of symmetrical light distribution on the one hand, in the C0-180 ° plane, how will still be shown, but also in the C90-180 ° plane, however, the two light distribution curves differ from.
  • This embodiment would be suitable for along one Lights arranged in the middle of the street.
  • Figure 9 shows a third Possibility of orienting the reflector elements 41 in the Secondary reflector 4, in which the reflector elements in the four quadrants of the secondary reflector - viewed clockwise - are each rotated by 90 °. With this The arrangement of the reflector elements 41 can be essentially one rotationally symmetrical light distribution characteristic of the secondary reflector 4.
  • the secondary reflector 4 is made up of individual Reflector elements 41 should be composed in a grid-like manner, are the arrangements of the reflector elements 41 according to the figures 7 to 9 to understand only as an example.
  • the grid area of the secondary reflector 4 can easily be different Take shape. It can be square, rectangular or also be approximately circular. If desired, with a circular arrangement it would also be possible additionally provide correspondingly rounded edge elements.
  • FIG. 10 is now schematic for those in Figures 7 and 8 shown arrangement of the reflector elements 41 in the secondary reflector 4 as an example of its corresponding light distribution characteristic shown in the C0-180 ° plane.
  • This Example shows the individual contributions of the individual Reflector elements 41 for the light distribution characteristic of the secondary reflector 4. Overlay these individual parts themselves in the overall function of the secondary reflector 4, so that the averaged light distribution curve shown in FIG. 11 of the secondary reflector 4 in the C0-180 ° plane that gives a typical light distribution curve for an outdoor lamp with high light intensity in the area of larger beam angles represents, however, a clear Blenungsbegrenzung has the corresponding requirements according to DIN 5044.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Optical Elements Other Than Lenses (AREA)

Claims (9)

  1. Luminaire d'extérieur en technique secondaire comportant un bloc projecteur (1) qui comprend une source lumineuse (11) et un réflecteur primaire (12), et un réflecteur en toit (2) dirigé à distance fixe vers le bloc projecteur et sur la face inférieure duquel est prévu un réflecteur secondaire de construction modulaire (4) comportant des éléments réflecteurs (41) disposés en réseau, caractérisé par le fait que les éléments réflecteurs, qui forment en grand nombre le réflecteur secondaire, présentent une surface réfléchissante à double convexité avec un groupe de premiers et de deuxièmes contours convexes (45, 46), que les premiers contours convexes (45), vus dans des plans transversaux de l'élément réflecteur, sont constitués de deux demi-contours symétriques l'un de l'autre dont la courbure diminue vers l'extérieur à partir du sommet commun, et que les deuxièmes contours convexes (46), allongés asymétriquement, vus dans des plans longitudinaux perpendiculaires aux plans transversaux, présentent sensiblement une convexité en forme de segment de cercle, tous les sommets des deuxièmes contours convexes étant situés dans un plan transversal défini qui est à une distance fixée du côté de bord voisin de l'élément réflecteur (41) en dehors du milieu de l'élément réflecteur.
  2. Luminaire d'extérieur selon la revendication 1, caractérisé par le fait que les deuxièmes contours convexes (46) se transforment chacun, dans la zone de bord éloignée du sommet, en une zone de contour approximativement rectiligne s'y joignant tangentiellement.
  3. Luminaire d'extérieur selon l'une des revendications 1 et 2, caractérisé par le fait que les premiers contours convexes (45) des éléments réflecteurs (41) sont faits de façon telle qu'en cas de lumière tombant approximativement parallèlement et verticalement, vus relativement au plan transversal associé de l'élément réflecteur, ils présentent préférentiellement une caractéristique d'émission de lumière à haute uniformité pour les petits angles d'émission par rapport à la verticale et émettent avec une haute intensité lumineuse aux grands angles d'émission, mais, déjà dans le domaine d'angles d'émission environ à partir de 80° par rapport à la verticale, réfléchissent en limitant l'éblouissement, et que les deuxièmes contours convexes (46) sont faits de façon telle que leur caractéristique d'émission de lumière, considérée dans le plan longitudinal associé de l'élément réflecteur (41), en cas d'incidence semblable de lumière, soit asymétrique d'un côté avec également haute uniformité pour les petits angles d'émission par rapport à la verticale.
  4. Luminaire d'extérieur selon l'une des revendications 1 à 4, caractérisé par le fait que le bloc projecteur (1) et le réflecteur en toit (2) sont placés coaxialement par rapport à un axe central du luminaire.
  5. Luminaire d'extérieur selon l'une des revendications 1 à 4, caractérisé par le fait que le réflecteur secondaire (4) présente un contour sensiblement circulaire dont le centre coïncide avec le centre du réflecteur en toit (2).
  6. Luminaire d'extérieur selon l'une des revendications 1 à 4, caractérisé par le fait que le réflecteur secondaire (4) présente un contour sensiblement rectangulaire dont le centre coïncide avec le centre du réflecteur en toit (2).
  7. Luminaire d'extérieur selon l'une des revendications 1 à 6, caractérisé par le fait que les éléments réflecteurs (41), désignant par exemple une direction préférentielle de leurs axes longitudinaux comme direction d'orientation (flèche 7), sont disposés dans le réflecteur secondaire (4) parallèlement les uns aux autres avec le même sens d'orientation.
  8. Luminaire d'extérieur selon l'une des revendications 1 à 6, caractérisé par le fait que les éléments réflecteurs (41), désignant par exemple une direction préférentielle de leurs axes longitudinaux comme direction d'orientation (flèche 7), sont disposés par rapport à une ligne de symétrie du réflecteur secondaire (4) avec sens d'orientation opposé des deux côtés de celle-ci.
  9. Luminaire d'extérieur selon l'une des revendications 1 à 6, caractérisé par le fait que les éléments réflecteurs (41), désignant par exemple une direction préférentielle de leurs axes longitudinaux comme direction d'orientation (flèche 7), sont, sur un réflecteur secondaire (4) divisé en quadrants, disposés avec sens d'orientation opposé dans les quadrants à symétrie spéculaire les uns par rapport aux autres.
EP96115856A 1996-10-02 1996-10-02 Dispositif d'éclairage extérieur à éclairage indirect Expired - Lifetime EP0836046B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59602490T DE59602490D1 (de) 1996-10-02 1996-10-02 Aussenleuchte mit Sekundärtechnik
EP96115856A EP0836046B1 (fr) 1996-10-02 1996-10-02 Dispositif d'éclairage extérieur à éclairage indirect
AT96115856T ATE182396T1 (de) 1996-10-02 1996-10-02 Aussenleuchte mit sekundärtechnik

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96115856A EP0836046B1 (fr) 1996-10-02 1996-10-02 Dispositif d'éclairage extérieur à éclairage indirect

Publications (2)

Publication Number Publication Date
EP0836046A1 EP0836046A1 (fr) 1998-04-15
EP0836046B1 true EP0836046B1 (fr) 1999-07-21

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ID=8223260

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EP96115856A Expired - Lifetime EP0836046B1 (fr) 1996-10-02 1996-10-02 Dispositif d'éclairage extérieur à éclairage indirect

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EP (1) EP0836046B1 (fr)
AT (1) ATE182396T1 (fr)
DE (1) DE59602490D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3710401A (en) * 2000-02-29 2001-09-12 Christian Bartenbach Pole-mounted lamp
FR2834329B1 (fr) * 2001-12-28 2004-07-02 Thorn Europhane Sa Reflecteur secondaire a construction modulaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707143A1 (de) * 1977-02-18 1978-08-24 Bartenbach Christian Indirekte deckenleuchte
DE9006883U1 (de) * 1990-06-19 1990-08-23 Siemens AG, 1000 Berlin und 8000 München Reflektoranordnung
DE4031302C2 (de) * 1990-10-04 1996-04-11 Bartenbach Christian Beleuchtungsanordnung mit einer Lichtquelle und einer optischen Einrichtung
EP0735311A1 (fr) * 1995-03-31 1996-10-02 Siemens Aktiengesellschaft Système d'éclairage intérieur

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Publication number Publication date
EP0836046A1 (fr) 1998-04-15
DE59602490D1 (de) 1999-08-26
ATE182396T1 (de) 1999-08-15

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