EP0836046A1 - Aussenleuchte mit Sekundärtechnik - Google Patents
Aussenleuchte mit Sekundärtechnik Download PDFInfo
- Publication number
- EP0836046A1 EP0836046A1 EP96115856A EP96115856A EP0836046A1 EP 0836046 A1 EP0836046 A1 EP 0836046A1 EP 96115856 A EP96115856 A EP 96115856A EP 96115856 A EP96115856 A EP 96115856A EP 0836046 A1 EP0836046 A1 EP 0836046A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- light
- outdoor
- curvature
- elements
- 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
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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 known lighting arrangement is designed so that the luminous ones perceived from a certain viewing distance Surfaces of the individual reflectors a predetermined maximum size do not exceed while neighboring lighting areas have a predetermined minimum distance from each other, so that they can be distinguished from one another by a viewer are.
- the known lighting arrangement for a Exterior specifically tailored to an application, in which the mentioned boundary conditions with respect to the sizes and distances of the perceptible by a viewer individual reflectors are met in the form of luminous surfaces.
- For one inexpensive and economical outdoor light that is suitable for given dimensions, with usual light spot heights an outdoor area even the largest possible light point distances to allow, but is this known lighting arrangement limited use.
- the present invention is therefore based on the object for an outdoor lamp of the type mentioned another Embodiment to provide an economical street lighting with the usual demands of a possible high uniformity of the luminance on the use level and a dazzling limitation for the road allows.
- the secondary reflector from a plurality of grid-shaped reflector elements assembled, made as single elements and completely similar, especially with regard to their curvature structure are formed.
- This camber structure exists - pictorially expressed - from a grid of each other vertical camber contours of a first or a second kind.
- each of these reflector elements assuming about perpendicular to the surface and bundled striking light completely different Light distribution characteristics in the two to each other and perpendicular to the base of the reflector elements stationary center planes.
- an outdoor light is shown schematically, at the so-called secondary technique is used. Owns this outdoor light a throwing unit 1, in the - like indicated by dotted lines - a light source 11 as well as surrounding a primary reflector 12 so arranged are that all light emitted from the light source 11 passing through a light exit opening 13 of the throwing unit 1 is radiated upward.
- a roof reflector 2 arranged in this Embodiment over roof struts 3 with the throwing unit 1 is connected.
- the radiated from the Werferritt 1 Light falls on the thrower unit 1 facing bottom of the roof reflector 2, is reflected there and thus on a the outside light surrounding use plane radiated. That by realized lighting technology principle is used in lighting technology generally referred to as secondary technology and does not need to be described in detail.
- the roof reflector 2 is in a view from below shown. This view makes it clear that on the bottom this reflector 2 in its center a secondary reflector 4 is provided, which is made of a variety of grid-shaped arranged reflector elements 41 assembled is.
- this secondary reflector In the described outdoor light takes over this secondary reflector with its reflector elements to be explained in more detail 41 essentially the light-directing function, with a certain radiation characteristics of the Outdoor light can be achieved.
- the surrounding the secondary reflector 4 Outer ring of the underside of the roof reflector 2 as a matt Surface formed diffusely reflective and acts on a Viewer darker than the bright surface of the secondary reflector 4 in the center.
- the illuminance falls on the bottom of the roof reflector 2 to the edge with the desired follow from that the contrast of the secondary reflector. 4 is reduced to its environment. For a viewer appears So the very bright secondary reflector 4, with others Words, in an environment that the edge of the roof reflector 2 getting darker and darker.
- Glare causes discomfort in a driver, insecurity and fatigue on the one hand and affects his On the other hand. Glare is essentially dependent on the luminous intensity of outdoor luminaires in broadcast areas at a beam angle measured against the vertical between 70 and 90 °, apart from other influencing parameters, like the adaptation luminance, the position of the Lights in the field of vision and also the size of the luminous Surface.
- FIG. 4 shows an example of this in the form of a schematic three-dimensional representation of a reflector element 41 with a square basic body, if in itself also one rectangular floor space would be conceivable.
- the following description is a Cartesian in Figure 4 Coordinate system x, y, z specified.
- the curved surface the reflector elements 41 can be by two crowds of each other perpendicular curvature contours 45 and 46 describe.
- All the first curvature contours 45 each in one of the xz-planes; accordingly are the second Curvature contours 46 aligned in one of the yz planes.
- cutting lines V / V and VI / VI in 4 each showing a section along an xz plane or a yz plane through the illustrated reflector element 41 mark.
- the first curvature contour 45 thus has a first contour area 51, the main function of the reflector elements 41 determined in view of small beam angle. Light incident in this first contour region 51, is preferably and with relatively high uniformity reflected substantially opposite to the direction of irradiation.
- the second contour area adjoining outwards 2 of the first camber contour 45 is designed to be incident Direct light towards higher beam angles, but at high radiation angles - about in the range of 80 ° measured against the vertical - a clear limit takes place. This allows for the fully assembled Light the requirements of glare limitation of outdoor lights according to DIN 5054.
- first curvature contours 45 to be considered continuous are located between these two contour regions 51 and 52 a two overlapping transition region 53, whose deflection function - in view of the mounted outdoor light - still both in the vicinity of the outdoor light and already is assigned to the far field.
- the second shown in Figure 6 run different Curved contours 46, which share parallel to the C90-270 ° plane is aligned.
- This contour profile is completely asymmetrical, begins at a marginal edge with a circular arc extending range, whose vertex - different from the first curvature contour 45 - at a predetermined distance lies to this edge.
- the second Curvature contours 46 completely from a circular arc section to form, to optimize the Ausstrahlungs characterizing the reflector elements 41 in this plane may be but possibly to this arcuate section, tangentially attached, a second area with a preferably connect steadily decreasing curvature, which 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 range small Ausheßungswinkel the incident light with the highest possible uniformity reflected on both sides in the C90-270 ° plane.
- the light intensity decreases due to the asymmetrical design of the second curvature contour 46 strong from.
- Reflector element 41 with a strong asymmetric Light distribution characteristic forms the basic element for the secondary reflector 4. It can be with different orientation arranged in the grid of the secondary reflector 4 become. Because the functions of the individual reflector elements 41 of the secondary reflector 4, it is by individual Arrangement and orientation of the reflector elements 41 possible in the secondary reflector 4, with this particular light distribution characteristics to realize. To do this below to be able to demonstrate simple, in Figure 4 by an arrow 7 an orientation direction for the reflector elements 41 determined by way of example.
- the reflector elements 41 are with respect to a center line of the secondary reflector 4 mirror each other arranged symmetrically.
- this arrangement of the reflector elements 41 can be a mirror image symmetrical light distribution in the C0-180 ° plane, on the one hand realize how will be shown, but at the same time also in the C90-180 ° level, however, both light distribution curves are different from. This embodiment would be suitable for along a Street center arranged lights.
- FIG. 9 shows a third one Possibility of orientation of the reflector elements 41 in the Secondary reflector 4, in which the reflector elements in the Four quadrants of the secondary reflector - viewed in a clockwise direction - Are oriented rotated by 90 °. With this Arrangement of the reflector elements 41 can be a substantially rotationally symmetric light distribution characteristic of the secondary reflector 4 realize.
- the secondary reflector 4 Since the secondary reflector 4, as required, from individual Reflector elements 41 should be composed grid-shaped, are the arrangements of the reflector elements 41 according to the figures 7 to 9 only to be understood as examples.
- the grid area of the secondary reflector 4 can be different without further notice Take forms. It can be square, rectangular or also be formed approximately circular. If desired, it would also be possible with a circular arrangement, additionally provided rounded edge elements accordingly.
- FIG 10 is now schematically for in the figures 7 and 8 illustrated 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 to the light distribution characteristic of the secondary reflector 4. Overlay these individual components in the overall function of the secondary reflector 4, so that while the average light distribution curve shown in Figure 11 of the secondary reflector 4 in the C0-180 ° plane which gives a typical light distribution curve for an outdoor light with high light intensity in the range of larger beam angles represents, but a clear Blenungsbegrenzung corresponding requirements according to DIN 5044.
Landscapes
- 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)
Abstract
Description
Claims (9)
- Außenleuchte mit Sekundärtechnik mit einer Werfereinheit (1), die eine Lichtquelle (11) und einen Primärreflektor (12) umfaßt und mit einem der Werfereinheit in festem Abstand zugekehrten Dachreflektor (2), von dessen Unterseite durch die Werfereinheit abgestrahltes Licht durch Reflexion umgelenkt und als Nutzlicht abgestrahlt wird, dadurch gekennzeichnet, daß auf der Unterseite des Dachreflektors (2) ein Sekundärreflektor (4) vorgesehen ist, der aus einer Vielzahl von rasterförmig angeordneten Reflektorelementen (41) zusammengesetzt ist, die jeweils eine spiegelnde, doppelt konvex gewölbte Oberfläche mit je einer Schar von ersten und zweiten, zueinander senkrecht stehenden Wölbungskonturen (45 bzw. 46) aufweisen, wobei die ersten Wölbungskonturen (45), in einer Querebene des Reflektorelementes betrachtet, aus zwei zueinander symmetrischen Konturhälften mit einer von innen nach außen abnehmenden Krümmung bestehen und die zweiten asymmetrisch gestreckten Wölbungskonturen (46), in zur Querebene senkrecht stehenden Längsebenen liegend, im wesentlichen eine kreisabschnittförmige Wölbung aufweisen, wobei die Scheitelpunkte der zweiten Wölbungskonturen in einer Querebene liegen, die von der benachbarten Randseite des Reflektorelementes (41) einen vorgegebenen Abstand aufweist.
- Außenleuchte nach Anspruch 1, dadurch gekennzeichnet, daß die zweiten Wölbungskonturen (46) im scheitelfernen Randbereich jeweils in einen daran tangential anschließenden näherungsweise linearen Konturbereich übergehen.
- Außenleuchte nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die ersten Wölbungskonturen (45) der Reflektorelemente (41) derart ausgebildet sind, daß sie bei näherungsweise parallel und senkrecht auftreffendem Licht, in bezug auf die zugeordnete Querebene des Reflektorelementes betrachtet, bevorzugt eine Lichtausstrahlungscharakteristik mit hoher Gleichmäßigkeit für kleine Ausstrahlungswinkel gegen die Senkrechte aufweisen und bei höheren Ausstrahlungswinkeln mit hoher Lichtstärke abstrahlen, jedoch schon im Bereich von Ausstrahlungswinkeln etwa ab 80° gegen die Vertikale gemessen blendungsbegrenzend reflektieren und daß die zweiten Wölbungskonturen (46) derart ausgebildet sind, daß deren Lichtausstahlungscharakteristik, in der zugeordneten Längsbene des Reflektorelementes (41) betrachtet, bei gleichartigem Lichteinfall einseitig asymmetrisch bei ebenfalls hoher Gleichmäßigkeit für kleine Ausstrahlungswinkel gegen die Vertikale ist.
- Außenleuchte nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Werfereinheit (1) und der Dachreflektor (2) in bezug auf eine Leuchtenzentralachse koaxial angeordnet sind.
- Außenleuchte nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Sekundärreflektor (4) einen im wesentlichen kreisförmigen Umriß aufweist, dessen Mittelpunkt mit dem Mittelpunkt des Dachreflektors (2) zusammenfällt.
- Außenleuchte nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Sekundärreflektor (4) einen im wesentlichen rechteckigen Umriß aufweist, dessen Mittelpunkt mit dem Mittelpunkt des Dachreflektors (2) zusammenfällt.
- Außenleuchte nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Reflektorelemente (41), beispielsweise eine Vorzugsrichtung ihrer Längsachsen als Orientierungsrichtung (Pfeil 7) bezeichnend, in dem Sekundärreflektor (4) mit der gleichen Orientierungsrichtung parallel zueinander angeordnet sind.
- Außenleuchte nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Reflektorelemente (41), beispielsweise eine Vorzugsrichtung ihrer Längsachsen als Orientierungsrichtung (Pfeil7) bezeichnend, bezüglich einer Symmetrielinie des Sekundärreflektors (4) zu deren beiden Seiten mit jeweils entgegengesetzter Orientierungsrichtung angeordnet sind.
- Außenleuchte nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Reflektorelemente (41), beispielsweise eine Vorzugsrichtung ihrer Längsachsen als Orientierungsrichtung (Pfeil 7) bezeichnend, bei einem in Quadranten unterteilten Sekundärreflektor (4) in den zueinander spiegelbildlich liegenden Quadranten mit jeweils entgegengesetzter Orientierungsrichtung angeordnet sind.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT96115856T ATE182396T1 (de) | 1996-10-02 | 1996-10-02 | Aussenleuchte mit sekundärtechnik |
EP96115856A EP0836046B1 (de) | 1996-10-02 | 1996-10-02 | Aussenleuchte mit Sekundärtechnik |
DE59602490T DE59602490D1 (de) | 1996-10-02 | 1996-10-02 | Aussenleuchte mit Sekundärtechnik |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96115856A EP0836046B1 (de) | 1996-10-02 | 1996-10-02 | Aussenleuchte mit Sekundärtechnik |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0836046A1 true EP0836046A1 (de) | 1998-04-15 |
EP0836046B1 EP0836046B1 (de) | 1999-07-21 |
Family
ID=8223260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96115856A Expired - Lifetime EP0836046B1 (de) | 1996-10-02 | 1996-10-02 | Aussenleuchte mit Sekundärtechnik |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0836046B1 (de) |
AT (1) | ATE182396T1 (de) |
DE (1) | DE59602490D1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001065170A1 (de) * | 2000-02-29 | 2001-09-07 | Christian Bartenbach | Mastleuchte |
FR2834329A1 (fr) * | 2001-12-28 | 2003-07-04 | Thorn Europhane Sa | Reflecteur secondaire a construction modulaire |
Citations (4)
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 |
EP0479042A2 (de) * | 1990-10-04 | 1992-04-08 | Christian Bartenbach | Beleuchtungsanordnung |
EP0735311A1 (de) * | 1995-03-31 | 1996-10-02 | Siemens Aktiengesellschaft | Beleuchtungssystem für einen Innenraum |
-
1996
- 1996-10-02 DE DE59602490T patent/DE59602490D1/de not_active Expired - Lifetime
- 1996-10-02 EP EP96115856A patent/EP0836046B1/de not_active Expired - Lifetime
- 1996-10-02 AT AT96115856T patent/ATE182396T1/de active
Patent Citations (4)
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 |
EP0479042A2 (de) * | 1990-10-04 | 1992-04-08 | Christian Bartenbach | Beleuchtungsanordnung |
EP0735311A1 (de) * | 1995-03-31 | 1996-10-02 | Siemens Aktiengesellschaft | Beleuchtungssystem für einen Innenraum |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001065170A1 (de) * | 2000-02-29 | 2001-09-07 | Christian Bartenbach | Mastleuchte |
FR2834329A1 (fr) * | 2001-12-28 | 2003-07-04 | Thorn Europhane Sa | Reflecteur secondaire a construction modulaire |
Also Published As
Publication number | Publication date |
---|---|
ATE182396T1 (de) | 1999-08-15 |
DE59602490D1 (de) | 1999-08-26 |
EP0836046B1 (de) | 1999-07-21 |
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