EP2265860A1 - Light for the illumination of paths, pedestrian overpasses, or plazas - Google Patents

Light for the illumination of paths, pedestrian overpasses, or plazas

Info

Publication number
EP2265860A1
EP2265860A1 EP09727689A EP09727689A EP2265860A1 EP 2265860 A1 EP2265860 A1 EP 2265860A1 EP 09727689 A EP09727689 A EP 09727689A EP 09727689 A EP09727689 A EP 09727689A EP 2265860 A1 EP2265860 A1 EP 2265860A1
Authority
EP
European Patent Office
Prior art keywords
lamp
light sources
luminaire
housing
light
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
EP09727689A
Other languages
German (de)
French (fr)
Other versions
EP2265860B1 (en
Inventor
Joachim Leibig
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.)
Thorn Europhane SA
Original Assignee
Thorn Europhane SA
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 Thorn Europhane SA filed Critical Thorn Europhane SA
Publication of EP2265860A1 publication Critical patent/EP2265860A1/en
Application granted granted Critical
Publication of EP2265860B1 publication Critical patent/EP2265860B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/081—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/116—Fixing lighting devices to arms or standards
    • 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

  • the present invention relates to a luminaire, which is intended in particular for illuminating footpaths, pedestrian crossings or squares.
  • the present invention relates to a luminaire, which is provided for complementary use in street lights.
  • the lighting of roads is usually done by lights, which are arranged on both sides or on one side of a street to be illuminated and have a lamp post, at the upper end of a lamp head is arranged with light sources therein.
  • the lamp head is, for example, designed with the aid of appropriate optical means such that the light emitted by the lamps light is directed in an optimal manner to the street to be illuminated.
  • the optics of the luminaire head 101 are designed such that the light generated by the luminous means is emitted via two separate emission regions A and B.
  • the larger radiating area A serves to illuminate the road area I, while the second area B illuminates the pavement area II adjoining the road.
  • the light emitted by the lamp 100 light is divided into two parts to illuminate both the road and the sidewalk.
  • the second variant shown in Fig. 7 is often used, in which on the lamp post 102 of the street lamp 100, an additional lamp 105 is mounted.
  • the light emitted by the lamp head 101 serves to illuminate the road area I via the emission area A, whereas the second emission area B is generated by means of the additional lamp 105, via which the adjacent one
  • This additional lamp 105 is a lamp which is mounted on the lamppost 102 by means of an arm. This subsequent mounting an additional light is associated with a relatively high cost.
  • the present invention is based on the object to provide a novel and improved way to be able to achieve a complementary illumination of an adjacent area in street lamps of the type described above.
  • the solution according to the invention is based on the idea of using a luminaire which is of ring-shaped or cuff-shaped design such that it can be fastened to the outer circumference of, for example, the mast of a street lamp. Further, a plurality of point-shaped light sources are arranged on or in the lamp housing, which emit light in different directions.
  • a luminaire is proposed in particular for illuminating walkways, pedestrian crossings or squares, with an annular luminaire housing which is designed to be fastened to the outer circumference of a carrier element, in particular to a street lighting mast. wherein on or in the lamp housing a plurality of substantially point-shaped light sources are arranged, which emit light in different directions.
  • the solution according to the invention is thus again based on the idea of completing a conventional street lamp with an additional luminaire in order, for example, to be able to illuminate an area located next to the street.
  • a ring-like light housing By using a ring-like light housing, however, there is now the possibility of making the extra light very compact and also to simplify the installation on the existing light pole.
  • the light also has clear advantages seen from a lighting technology perspective, since the use of multiple individual light sources, the possibility to adapt the radiation characteristics of the lamp in an optimal manner to the particular situation.
  • asymmetrical light emission ranges can be created, for example, with which, for example, sidewalks can be optimally illuminated over a relatively long range.
  • the light sources of the luminaire according to the invention are preferably LEDs or light-emitting diodes, it being possible for the light sources each to be associated with optics in order to be able to set the light output to a desired range.
  • Circumference of the luminaire housing distributed to arrange. This configuration may be desired, for example, when the carrier element, e.g. The area surrounding the lamp post is to be evenly illuminated, which is often the case, for example, on squares or in pedestrian zones.
  • the emission angle of the light sources with respect to the horizontal can be substantially equal.
  • the emission angle for the light sources can also be designed differently in order to set the light emission range in the desired manner.
  • a lighting arrangement consisting of a floor lamp, in particular a street lamp, with a lamp post and attached to the lamp post additional lamp, the additional lamp is configured as described above. It is provided in particular that the additional lamp is arranged on the lamppost at a height of about 0.9 m to 1.2 m. As will be described later, in the illumination of the area to be illuminated, this leads to particularly positive characteristics with regard to the perceived brightness.
  • a luminaire is proposed by the inventive solution, with the optimally complementary, for example, to a street lamp an adjacent area - eg. A walkway or a pedestrian crossing - can be illuminated.
  • the luminaire according to the invention is characterized by particularly positive photometric properties.
  • Fig. 1 shows an embodiment of a lamp according to the invention, which is mounted on the mast of a street lamp;
  • Fig. 5 is a schematic representation of the optical properties of the lamp according to the invention.
  • FIG. 6 and 7 known from the prior art solutions for lighting a road on the one hand and on the other hand, an adjacent walkway.
  • the luminaire according to the invention shown in FIG. 1 and generally designated by the reference numeral 1 is intended to be mounted on a cylindrical carrier element. In the illustrated exemplary embodiment, it is in the support member to the mast 102 of an indicated street lamp 100.
  • the lamp 1 is hereby mounted on the outer circumference of the mast 102 and accordingly has a housing 2, which - as shown in Fig. 2 - ring-like or designed cuff-like.
  • the circular opening 3 in the center of the housing 2 has a cross section which corresponds approximately to the cross section of the lamp post 102.
  • the luminaire housing 2 can be subdivided into a plurality of segments, which are respectively applied to the outside of the mast 102, so that ultimately the annular structure results. It would also be conceivable, for example, to subdivide the housing into two half rings, which are connected to one another via a joint in such a way that they can be easily attached to the mast 102 in the unfolded state and then folded into a ring shape. Furthermore, it would of course also be conceivable to design the housing in such a way that the luminaire can be fastened to support elements with other cross-sections, for example square-shaped luminaire masts.
  • the light sources 10 are, in particular, punctiform light sources, for example LEDs, which can be arranged either in the housing 2 or on the outside thereof.
  • the LEDs are arranged within the housing 2, wherein the light output via provided on the housing 2 openings 11 takes place, in each of which transparent radiating elements are arranged.
  • these radiating elements can be designed as lenses in order to direct the light emitted by the point-shaped light sources into specific areas.
  • the use of other optics such as pot-like reflectors or the like. would be useful to affect the light output of the individual light sources 10 in the desired manner.
  • the light sources 10 are arranged substantially on one side of the housing 2 with respect to the central axis of the luminaire 1.
  • Such a configuration is particularly suitable for cases in which asymmetric light emission is desired. This can - as in Fig. 3 darg Pope - be used in particular to illuminate elongated areas, for example, a walkway.
  • FIG. 3 shows two street lights 100 arranged on the side of a road 110, via which the road 110 is to be illuminated in the first place.
  • a luminaire 1 according to the invention is further arranged in each case, which is intended to illuminate the located next to the road 110 area 111 of a walkway.
  • the light sources which are arranged only on one side of the housing 2 and whose horizontal radiation angles are suitably selected, radiating regions C are generated which have a significantly greater emission in a longitudinal direction along the road 110 than in the direction transverse thereto.
  • Such an asymmetrical light emission characteristic is particularly suitable for effectively illuminating sidewalks.
  • the horizontal radiation angle of the individual light sources of the luminaire 1 can be adjusted in particular such that the radiation regions C merge into each other almost seamlessly, so that ultimately a uniform illumination of the sidewalk 111 over the entire length is achieved.
  • This is u.a. achieved in that the outer light sources emit light under a - compared to the horizontal - flatter angle than the central light sources.
  • the light sources 10 are arranged exclusively or predominantly on one side of the housing 2 and furthermore their horizontal radiation angle is different, so that ultimately an asymmetrical emission characteristic is achieved.
  • the realization of a uniform over the entire circumference of the lamp 1 radiation would be conceivable, as shown schematically in Fig. 4.
  • the individual light sources 10 are arranged distributed uniformly over the entire circumference of the lamp housing 2, so that a nearly circular emission is achieved.
  • Such a radiation characteristic can, for example, be desired if the luminaire 1 according to the invention on the mast a street lamp is mounted, which serves, for example, for the illumination of places or the like ..
  • the assembly of the luminaire 1 according to the invention on the support element is preferably carried out at a height h of about 0.9 m to 1, 2 m. This results in a further positive effect, which is shown schematically in Fig. 5.
  • the relatively low mounting height of the lamp 1 has the consequence that the light emitted by the individual light sources at a relatively shallow angle ⁇ on the surface, for example, to be illuminated walkway.
  • the light in the alternative solutions according to FIGS. 6 and 7 would strike the surface as shown schematically at significantly larger angles ⁇ .
  • Use of the luminaire 1 according to the invention gives rise to the impression of a higher brightness or, compared to the known solutions of FIGS. 6 and 7, less light is required in order to achieve the same brightness impression in the observer 50.
  • a luminaire is created by the solution according to the invention, which has significant advantages in comparison with hitherto known luminaires with regard to their lighting properties and because of the diverse possibilities for designing the light emission area.
  • the lamp can be easily attached to existing street lights. Since the size and shape of the sleeve-like housing can be easily adapted, there are also no limitations with regard to the possible uses of the lamp.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A light (1) which is intended particularly for the illumination of paths (111), pedestrian overpasses, or plazas, having a ring-like light housing (2) which is designed to be attached on the outer perimeter of a support element, particularly on a lamppost (102), wherein several substantially point-shaped light sources (10) are arranged on or in the light housing (2) and radiate light in different directions.

Description

Zumtobel Lighting GmbH P36030/WO Zumtobel Lighting GmbH P36030 / WO
Leuchte zum Beleuchten von Gehwegen. Fußgänger-Überwegen oder PlätzenLuminaire for lighting sidewalks. Pedestrian crossings or squares
Die vorliegende Erfindung betrifft eine Leuchte, die insbesondere zum Beleuchten von Geh- bzw. Fußwegen, Fußgänger-Überwegen oder Plätzen vorgesehen ist. Insbesondere betrifft die vorliegende Erfindung eine Leuchte, welche zur ergänzenden Verwendung bei Straßenleuchten vorgesehen ist.The present invention relates to a luminaire, which is intended in particular for illuminating footpaths, pedestrian crossings or squares. In particular, the present invention relates to a luminaire, which is provided for complementary use in street lights.
Die Beleuchtung von Straßen erfolgt üblicherweise durch Leuchten, welche zu beiden Seiten oder auf einer Seite einer zu beleuchtenden Straße angeordnet sind und einen Leuchtenmast aufweisen, an dessen oberen Ende ein Leuchtenkopf mit darin befindlichen Leuchtmitteln angeordnet ist. Der Leuchtenkopf ist bspw. mit Hilfe entsprechender optischer Mittel derart gestaltet, dass das von den Leuchtmitteln abgegebene Licht in optimaler Weise auf die zu beleuchtende Straße gerichtet ist.The lighting of roads is usually done by lights, which are arranged on both sides or on one side of a street to be illuminated and have a lamp post, at the upper end of a lamp head is arranged with light sources therein. The lamp head is, for example, designed with the aid of appropriate optical means such that the light emitted by the lamps light is directed in an optimal manner to the street to be illuminated.
In diesem Zusammenhang ergibt sich das Problem, dass oftmals auch ein schmaler, neben der zu beleuchtenden Straße befindlicher Bereich oder ein kurzer Abschnitt der Straße in besonderer Weise ausgeleuchtet werden soll. Hierbei kann es sich bspw. um einen an der Straße befindlichen Gehweg oder einen Fußgänger-Überweg handeln, wobei aus dem Stand der Technik unterschiedliche Lösungen bekannt sind, welche schematisch in den Fig. 6 und 7 dargestellt sind.In this context, there is the problem that often even a narrow, in addition to the street to be illuminated area or a short section of the street should be lit in a special way. This may be, for example, a sidewalk located on the street or a pedestrian crossing, different solutions being known from the prior art, which are shown schematically in FIGS. 6 and 7.
Bei der bereits bekannten Variante gemäß Fig. 6 ist die Optik des Leuchtenkopfs 101 derart ausgestaltet, dass das von den Leuchtmitteln erzeugte Licht über zwei getrennte Abstrahlbereiche A und B abgegeben wird. Der größere Abstrahlbereich A dient dabei zur Ausleuchtung des Straßenbereichs I, während hingegen der zweite Bereich B den an die Straße angrenzenden Gehwegbereich II ausleuchtet. In diesem Fall wird also das von der Leuchte 100 abgegebene Licht in zwei Anteile aufgeteilt, um sowohl die Straße als auch den Gehweg auszuleuchten. Hierdurch kann zwar auf den Einsatz zusätzlicher Leuchtmittel verzichtet werden, auf der anderen Seite allerdings muss die Leuchte 100 dann derart ausgelegt werden, dass die in den ersten Bereich A abgegebene Lichtmenge ausreichend hoch ist, um die Straße in gewünschter Weise zu beleuchten.In the already known variant according to FIG. 6, the optics of the luminaire head 101 are designed such that the light generated by the luminous means is emitted via two separate emission regions A and B. The larger radiating area A serves to illuminate the road area I, while the second area B illuminates the pavement area II adjoining the road. In this case, therefore, the light emitted by the lamp 100 light is divided into two parts to illuminate both the road and the sidewalk. Although this makes it possible to dispense with the use of additional bulbs, on the other hand, however, the luminaire 100 must then be designed in such a way that the first area A emitted amount of light is sufficiently high to illuminate the road in the desired manner.
Um das über den Leuchtenkopf 101 abgegebene Licht ausschließlich zur Beleuchtung der Straße nutzen zu können, wird deshalb oftmals auch die in Fig. 7 dargestellte zweite Variante eingesetzt, bei der an dem Leuchtenmast 102 der Straßenleuchte 100 eine zusätzliche Leuchte 105 montiert ist. In diesem Fall dient also das von dem Leuchtenkopf 101 abgegebene Licht dazu, über den Abstrahlbereich A den Straßenbereich I auszuleuchten, während hingegen mit Hilfe der zusätzlichen Leuchte 105 der zweite Abstrahlbereich B generiert wird, über den der angrenzendeIn order to use the light emitted via the lamp head 101 exclusively to illuminate the street, therefore, the second variant shown in Fig. 7 is often used, in which on the lamp post 102 of the street lamp 100, an additional lamp 105 is mounted. In this case, therefore, the light emitted by the lamp head 101 serves to illuminate the road area I via the emission area A, whereas the second emission area B is generated by means of the additional lamp 105, via which the adjacent one
Gehwegbereich II ausgeleuchtet wird. Bei dieser zusätzlichen Leuchte 105 handelt es sich um eine Leuchte, die mit Hilfe eines Arms an dem Leuchtenmast 102 montiert ist. Dieses nachträgliche Montieren einer zusätzlichen Leuchte ist mit einem verhältnismäßig hohen Aufwand verbunden.Sidewalk area II is illuminated. This additional lamp 105 is a lamp which is mounted on the lamppost 102 by means of an arm. This subsequent mounting an additional light is associated with a relatively high cost.
Der vorliegenden Erfindung liegt nunmehr die Aufgabe zugrunde, eine neuartige und verbesserte Möglichkeit anzugeben, bei Straßenleuchten der oben beschriebenen Art eine ergänzende Beleuchtung eines benachbarten Bereichs erzielen zu können.The present invention is based on the object to provide a novel and improved way to be able to achieve a complementary illumination of an adjacent area in street lamps of the type described above.
Die Aufgabe wird durch eine Leuchte, welche die Merkmale des Anspruchs 1 aufweist, gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.The object is achieved by a luminaire having the features of claim 1. Advantageous developments of the invention are the subject of the dependent claims.
Die erfindungsgemäße Lösung beruht auf der Idee, eine Leuchte zu verwenden, welche ring- bzw. manschettenartig ausgestaltet, derart, dass sie am Außenumfang bspw. des Masts einer Straßenleuchte befestigt werden kann. Ferner sind an oder in dem Leuchtengehäuse mehrere punktförmige Lichtquellen angeordnet, welche Licht in verschiedene Richtungen abstrahlen.The solution according to the invention is based on the idea of using a luminaire which is of ring-shaped or cuff-shaped design such that it can be fastened to the outer circumference of, for example, the mast of a street lamp. Further, a plurality of point-shaped light sources are arranged on or in the lamp housing, which emit light in different directions.
Erfindungsgemäß wird dementsprechend eine Leuchte insbesondere zum Beleuchten von Gehwegen, Fußgänger-Überwegen oder Plätzen vorgeschlagen, mit einem ringartigen Leuchtengehäuse, welches dazu ausgebildet ist, am Außenumfang eines Trägerelements, insbesondere an einem Straßenbeleuchtungsmast befestigt zu werden, wobei an oder in dem Leuchtengehäuse mehrere im Wesentlichen punktförmige Lichtquellen angeordnet sind, welche Licht in verschiedene Richtungen abstrahlen.According to the invention, a luminaire is proposed in particular for illuminating walkways, pedestrian crossings or squares, with an annular luminaire housing which is designed to be fastened to the outer circumference of a carrier element, in particular to a street lighting mast. wherein on or in the lamp housing a plurality of substantially point-shaped light sources are arranged, which emit light in different directions.
Die erfindungsgemäße Lösung beruht also wiederum auf der Idee, eine übliche Straßenleuchte mit einer zusätzlichen Leuchte zu ergänzen, um bspw. einen neben der Straße befindlichen Bereich ausleuchten zu können. Durch die Verwendung eines ringartigen Leuchtengehäuses besteht nunmehr allerdings die Möglichkeit, die Zusatzleuchte sehr kompakt zu gestalten und ferner auch die Montage an dem bereits vorhandenen Leuchtenmast zu vereinfachen. Darüber hinaus weist die Leuchte auch aus lichttechnischer Sicht gesehen deutliche Vorteile auf, da durch die Verwendung mehrerer einzelner Lichtquellen die Möglichkeit besteht, die Abstrahleigenschaften der Leuchte in optimaler Weise an die jeweilige Situation anzupassen. So können insbesondere ohne Weiteres asymmetrische Lichtabstrahlbereiche geschaffen werden, mit denen bspw. Gehwege über einen längeren Bereich hinweg in optimaler Weise ausgeleuchtet werden können.The solution according to the invention is thus again based on the idea of completing a conventional street lamp with an additional luminaire in order, for example, to be able to illuminate an area located next to the street. By using a ring-like light housing, however, there is now the possibility of making the extra light very compact and also to simplify the installation on the existing light pole. In addition, the light also has clear advantages seen from a lighting technology perspective, since the use of multiple individual light sources, the possibility to adapt the radiation characteristics of the lamp in an optimal manner to the particular situation. Thus asymmetrical light emission ranges can be created, for example, with which, for example, sidewalks can be optimally illuminated over a relatively long range.
Bei den Lichtquellen der erfindungsgemäßen Leuchte handelt es sich vorzugsweise um LEDs bzw. Leuchtdioden, wobei den Lichtquellen jeweils eine Optik zugeordnet sein kann, um die Lichtabgabe in einen gewünschten Bereich einstellen zu können.The light sources of the luminaire according to the invention are preferably LEDs or light-emitting diodes, it being possible for the light sources each to be associated with optics in order to be able to set the light output to a desired range.
Es besteht die Möglichkeit, die Lichtquellen - im Hinblick auf eine Zentralachse des Leuchtengehäuses - überwiegend an einer Seite des Gehäuses anzuordnen, wobei diese Konfiguration insbesondere dann von Vorteil ist, wenn eine asymmetrische Lichtabstrahlcharakteristik für die Leuchte gewünscht ist. Alternativ hierzu würde allerdings auch die Möglichkeit bestehen, die Lichtquellen gleichmäßig über denIt is possible to arrange the light sources - with respect to a central axis of the lamp housing - predominantly on one side of the housing, this configuration is particularly advantageous if an asymmetric Lichtabstrahlcharakteristik is desired for the lamp. Alternatively, however, would also be possible, the light sources evenly over the
Umfang des Leuchtengehäuses verteilt anzuordnen. Diese Konfiguration kann bspw. dann gewünscht sein, wenn der das Trägerelement, also z.B. den Leuchtenmast umgebende Bereich gleichmäßig ausgeleuchtet werden soll, was bspw. oftmals auf Plätzen oder in Fußgängerzonen der Fall ist.Circumference of the luminaire housing distributed to arrange. This configuration may be desired, for example, when the carrier element, e.g. The area surrounding the lamp post is to be evenly illuminated, which is often the case, for example, on squares or in pedestrian zones.
Der Abstrahlwinkel der Lichtquellen gegenüber der Horizontalen kann im Wesentlichen gleich groß sein. Alternativ hierzu kann allerdings der Abstrahlwinkel für die Lichtquellen auch unterschiedlich ausgestaltet sein, um den Lichtabstrahlbereich in gewünschter Weise einzustellen. Erfindungsgemäß wird auch eine Beleuchtungsanordnung bestehend aus einer Stehleuchte, insbesondere einer Straßenleuchte, mit einem Leuchtenmast sowie einer an dem Leuchtenmast befestigten zusätzlichen Leuchte vorgeschlagen, wobei die zusätzliche Leuchte wie oben beschrieben ausgestaltet ist. Hierbei ist insbesondere vorgesehen, dass die zusätzliche Leuchte an dem Leuchtenmast in einer Höhe von etwa 0,9 m bis 1,2 m angeordnet ist. Wie später beschrieben wird, führt dies bei der Ausleuchtung des zu beleuchtenden Bereichs zu besonders positiven Eigenschaften im Hinblick auf die empfundene Helligkeit.The emission angle of the light sources with respect to the horizontal can be substantially equal. Alternatively, however, the emission angle for the light sources can also be designed differently in order to set the light emission range in the desired manner. According to the invention, a lighting arrangement is proposed consisting of a floor lamp, in particular a street lamp, with a lamp post and attached to the lamp post additional lamp, the additional lamp is configured as described above. It is provided in particular that the additional lamp is arranged on the lamppost at a height of about 0.9 m to 1.2 m. As will be described later, in the illumination of the area to be illuminated, this leads to particularly positive characteristics with regard to the perceived brightness.
Letztendlich wird durch die erfindungsgemäße Lösung eine Leuchte vorgeschlagen, mit der in optimaler Weise ergänzend bspw. zu einer Straßenleuchte ein daran angrenzender Bereich - bspw. ein Gehweg oder auch ein Fußgänger-Überweg - ausgeleuchtet werden kann. Die erfindungsgemäße Leuchte zeichnet sich hierbei durch besonders positive lichttechnische Eigenschaften aus.Ultimately, a luminaire is proposed by the inventive solution, with the optimally complementary, for example, to a street lamp an adjacent area - eg. A walkway or a pedestrian crossing - can be illuminated. The luminaire according to the invention is characterized by particularly positive photometric properties.
Nachfolgend soll die Erfindung anhand der beiliegenden Zeichnung näher erläutert werden. Es zeigen:The invention will be explained in more detail with reference to the accompanying drawings. Show it:
Fig. 1 ein Ausführungsbeispiel einer erfindungsgemäßen Leuchte, welche an dem Mast einer Straßenleuchte montiert ist;Fig. 1 shows an embodiment of a lamp according to the invention, which is mounted on the mast of a street lamp;
Fig. 2 die Unterseite der erfindungsgemäßen Leuchte;2 shows the underside of the luminaire according to the invention;
Fig. 3 schematisch die Abstrahlcharakteristik der erfindungsgemäßen Leuchte;3 shows schematically the emission characteristic of the luminaire according to the invention;
Fig. 4 eine weitere Alternative einer erfindungsgemäßen Leuchte;4 shows a further alternative of a luminaire according to the invention;
Fig. 5 eine schematische Darstellung der optischen Eigenschaften der erfindungsgemäßen Leuchte undFig. 5 is a schematic representation of the optical properties of the lamp according to the invention and
Fig. 6 und 7 aus dem Stand der Technik bekannte Lösungen zur Beleuchtung einerseits einer Straße und andererseits eines daran angrenzenden Gehwegs. Die in Fig. 1 dargestellte und allgemein mit dem Bezugszeichen 1 versehende erfindungsgemäße Leuchte ist dazu vorgesehen, an einem zylinderförmigen Trägerelement montiert zu werden. Im dargestellten Ausfuhrungsbeispiel handelt es sich bei dem Trägerelement um den Mast 102 einer angedeuteten Straßenleuchte 100. Die Leuchte 1 soll hierbei am Außenumfang des Masts 102 montiert werden und weist dementsprechend ein Gehäuse 2 auf, welches - wie in Fig. 2 dargestellt - ringartig bzw. manschettenartig ausgestaltet ist. Die kreisrunde Öffnung 3 im Zentrum des Gehäuses 2 weist einen Querschnitt auf, der in etwa dem Querschnitt des Leuchtenmasts 102 entspricht. Da die Leuchte 1 vorzugsweise nachträglich an dem Leuchtenmast 102 befestigt werden soll, kann das Leuchtengehäuse 2 in mehrere Segmente unterteilt sein, welche jeweils auf die Außenseite des Masts 102 aufgebracht werden, so dass sich letztendlich die ringförmige Struktur ergibt. Denkbar wäre bspw. auch, das Gehäuse in zwei Halbringe zu unterteilen, die an einer Seite über ein Gelenk derart miteinander verbunden sind, dass sie im auseinander geklappten Zustand in einfacher Weise an den Mast 102 angesetzt und dann zu der Ringform zusammengeklappt werden können. Ferner wäre es selbstverständlich auch denkbar, das Gehäuse derart zu gestalten, dass die Leuchte an Trägerelementen mit anderen Querschnitten, beispielsweise an im Querschnitt quadratischen Leuchtenmasten befestigt werden kann.Fig. 6 and 7 known from the prior art solutions for lighting a road on the one hand and on the other hand, an adjacent walkway. The luminaire according to the invention shown in FIG. 1 and generally designated by the reference numeral 1 is intended to be mounted on a cylindrical carrier element. In the illustrated exemplary embodiment, it is in the support member to the mast 102 of an indicated street lamp 100. The lamp 1 is hereby mounted on the outer circumference of the mast 102 and accordingly has a housing 2, which - as shown in Fig. 2 - ring-like or designed cuff-like. The circular opening 3 in the center of the housing 2 has a cross section which corresponds approximately to the cross section of the lamp post 102. Since the luminaire 1 is preferably to be subsequently attached to the luminaire mast 102, the luminaire housing 2 can be subdivided into a plurality of segments, which are respectively applied to the outside of the mast 102, so that ultimately the annular structure results. It would also be conceivable, for example, to subdivide the housing into two half rings, which are connected to one another via a joint in such a way that they can be easily attached to the mast 102 in the unfolded state and then folded into a ring shape. Furthermore, it would of course also be conceivable to design the housing in such a way that the luminaire can be fastened to support elements with other cross-sections, for example square-shaped luminaire masts.
Im Inneren des Leuchtengehäuses 2 sind die Komponenten zur Stromversorgung und Ansteuerung der einzelnen Lichtquellen 10 der Leuchte 1 angeordnet, wobei auch eine Unterbringung dieser Komponenten im Leuchtenmast selbst denkbar wäre. Bei den Lichtquellen 10 handelt es sich insbesondere um punktförmige Lichtquellen, bspw. um LEDs, welche entweder in dem Gehäuse 2 oder an dessen Außenseite angeordnet sein können. Im dargestellten Ausfuhrungsbeispiel sind die LEDs innerhalb des Gehäuses 2 angeordnet, wobei die Lichtabgabe über an dem Gehäuse 2 vorgesehene Öffnungen 11 erfolgt, in denen jeweils transparente Abstrahlelemente angeordnet sind. Diese Abstrahlelemente können insbesondere als Linsen ausgebildet sein, um das von den punktförmigen Lichtquellen abgegebene Licht in bestimmte Bereiche zu lenken. Auch die Nutzung anderer Optiken wie topfartiger Reflektoren oder dgl. wäre sinnvoll, um die Lichtabgabe der einzelnen Lichtquellen 10 in gewünschter Weise zu beeinflussen. OInside the luminaire housing 2, the components for power supply and control of the individual light sources 10 of the lamp 1 are arranged, with an accommodation of these components in the lamppost itself would be conceivable. The light sources 10 are, in particular, punctiform light sources, for example LEDs, which can be arranged either in the housing 2 or on the outside thereof. In the illustrated embodiment, the LEDs are arranged within the housing 2, wherein the light output via provided on the housing 2 openings 11 takes place, in each of which transparent radiating elements are arranged. In particular, these radiating elements can be designed as lenses in order to direct the light emitted by the point-shaped light sources into specific areas. The use of other optics such as pot-like reflectors or the like. Would be useful to affect the light output of the individual light sources 10 in the desired manner. O
Bei dem in den Fig. 1 und 2 dargestellten Ausführungsbeispiel der erfindungsgemäßen Leuchte 1 sind die Lichtquellen 10 im Hinblick auf die zentrale Achse der Leuchte 1 im Wesentlichen auf einer Seite des Gehäuses 2 angeordnet. Eine derartige Konfiguration eignet sich insbesondere für Fälle, in denen eine asymmetrische Lichtabstrahlung gewünscht ist. Diese kann - wie in Fig. 3 dargstellt - insbesondere dazu genutzt werden, längliche Bereiche bspw. eines Gehwegs auszuleuchten.In the exemplary embodiment of the luminaire 1 according to the invention shown in FIGS. 1 and 2, the light sources 10 are arranged substantially on one side of the housing 2 with respect to the central axis of the luminaire 1. Such a configuration is particularly suitable for cases in which asymmetric light emission is desired. This can - as in Fig. 3 dargstellt - be used in particular to illuminate elongated areas, for example, a walkway.
Fig. 3 zeigt hierzu zwei an der Seite einer Straße 110 angeordnete Straßenleuchten 100, über die in erster Linie die Straße 110 ausgeleuchtet werden soll. Am Mast jeder Straßenleuchte 100 ist ferner jeweils eine erfindungsgemäße Leuchte 1 angeordnet, die den neben der Straße 110 befindlichen Bereich 111 eines Gehwegs ausleuchten soll. Mit Hilfe der Lichtquellen, die lediglich an einer Seite des Gehäuses 2 angeordnet und deren horizontale Abstrahlwinkel geeignet gewählt sind, werden dabei Abstrahlbereiche C erzeugt, die in einer Längsrichtung entlang der Straße 110 eine deutlich größere Aussendung aufweisen, als in der Richtung quer hierzu. Eine derartige asymmetrische Lichtabstrahlcharakteristik ist in besonders vorteilhafter Weise dazu geeignet, Gehwege effektiv auszuleuchten. So können die horizontalen Abstrahlwinkel der einzelnen Lichtquellen der Leuchte 1 insbesondere derart eingestellt werden, dass die Abstrahlbereiche C nahezu nahtlos ineinander übergehen, so dass letztendlich eine gleichmäßige Ausleuchtung des Gehwegs 111 über die gesamte Länge erzielt wird. Diese wird u.a. dadurch erreicht, dass die äußeren Lichtquellen Licht unter einem - gegenüber der Horizontalen - flacheren Winkel abstrahlen als die mittleren Lichtquellen.For this purpose, FIG. 3 shows two street lights 100 arranged on the side of a road 110, via which the road 110 is to be illuminated in the first place. On the mast of each street lamp 100, a luminaire 1 according to the invention is further arranged in each case, which is intended to illuminate the located next to the road 110 area 111 of a walkway. With the aid of the light sources, which are arranged only on one side of the housing 2 and whose horizontal radiation angles are suitably selected, radiating regions C are generated which have a significantly greater emission in a longitudinal direction along the road 110 than in the direction transverse thereto. Such an asymmetrical light emission characteristic is particularly suitable for effectively illuminating sidewalks. Thus, the horizontal radiation angle of the individual light sources of the luminaire 1 can be adjusted in particular such that the radiation regions C merge into each other almost seamlessly, so that ultimately a uniform illumination of the sidewalk 111 over the entire length is achieved. This is u.a. achieved in that the outer light sources emit light under a - compared to the horizontal - flatter angle than the central light sources.
Bei dem bislang beschriebenen Ausführungsbeispiel der erfindungsgemäßen Leuchte 1 ist also vorgesehen, dass die Lichtquellen 10 ausschließlich bzw. überwiegend an einer Seite des Gehäuses 2 angeordnet sind und ferner deren horizontaler Abstrahlwinkel verschieden ist, so dass letztendlich eine asymmetrische Abstrahlcharakteristik erzielt wird. Alternativ hierzu wäre allerdings auch die Realisierung einer über den gesamten Umfang der Leuchte 1 gleichmäßigen Abstrahlung denkbar, wie dies schematisch in Fig. 4 dargestellt ist. Hierbei sind die einzelnen Lichtquellen 10 über den gesamten Umfang des Leuchtengehäuses 2 gleichmäßig verteilt angeordnet, so dass eine nahezu kreisförmige Abstrahlcharakteristik erzielt wird. Eine derartige Abstrahlcharakteristik kann bspw. dann gewünscht sein, wenn die erfindungsgemäße Leuchte 1 an dem Mast einer Straßenleuchte montiert ist, die bspw. zur Ausleuchtung von Plätzen oder dgl. dient. Hier ist oftmals gewünscht, den die Leuchte umgebenden Bereich gleichmäßig auszuleuchten, was durch den Einsatz einzelner punktförmiger Lichtquellen bei der erfindungsgemäßen Leuchte ohne Weiteres ermöglicht ist. Schließlich wäre es auch denkbar, die Lichtquellen derart anzuordnen und auszurichten, dass ein länglicher Lichtkegel erzielt wird, der z.B. zur Ausleuchtung eines Fußgänger-Überwegs genutzt werden kann.In the hitherto described embodiment of the luminaire 1 according to the invention, it is thus provided that the light sources 10 are arranged exclusively or predominantly on one side of the housing 2 and furthermore their horizontal radiation angle is different, so that ultimately an asymmetrical emission characteristic is achieved. Alternatively, however, the realization of a uniform over the entire circumference of the lamp 1 radiation would be conceivable, as shown schematically in Fig. 4. Here, the individual light sources 10 are arranged distributed uniformly over the entire circumference of the lamp housing 2, so that a nearly circular emission is achieved. Such a radiation characteristic can, for example, be desired if the luminaire 1 according to the invention on the mast a street lamp is mounted, which serves, for example, for the illumination of places or the like .. Here it is often desired to evenly illuminate the area surrounding the luminaire, which is readily possible by the use of individual punctiform light sources in the luminaire according to the invention. Finally, it would also be conceivable to arrange and align the light sources in such a way that an oblong cone of light is achieved, which can be used, for example, to illuminate a pedestrian crossing.
Die Montage der erfindungsgemäßen Leuchte 1 an dem Trägerelement erfolgt vorzugsweise in einer Höhe h von etwa 0,9 m bis 1 ,2 m. Hierdurch ergibt sich ein weiterer positiver Effekt, der schematisch in Fig. 5 dargestellt ist. Die verhältnismäßig geringe Montagehöhe der Leuchte 1 hat nämlich zur Folge, dass das von den einzelnen Lichtquellen abgegebene Licht unter einen verhältnismäßig flachen Winkel α auf die Oberfläche beispielsweise des auszuleuchtenden Gehwegs trifft. Im Vergleich hierzu würde das Licht bei den Alternativlösungen gemäß den Fig. 6 und 7 wie schematisch dargstellt unter deutlich größeren Winkeln ß auf die Oberfläche auftreffen.The assembly of the luminaire 1 according to the invention on the support element is preferably carried out at a height h of about 0.9 m to 1, 2 m. This results in a further positive effect, which is shown schematically in Fig. 5. The relatively low mounting height of the lamp 1 has the consequence that the light emitted by the individual light sources at a relatively shallow angle α on the surface, for example, to be illuminated walkway. In comparison, the light in the alternative solutions according to FIGS. 6 and 7 would strike the surface as shown schematically at significantly larger angles β.
Die geringen Einfallswinkel α haben nunmehr allerdings zur Folge, dass die Wahrscheinlichkeit, dass ein reflektierter Lichtstrahl einen Beobachter 50 trifft, deutlich höher ist. Dies wiederum bedeutet, dass bei dem Beobachter 50 beiHowever, the low angles of incidence α now have the consequence that the probability that a reflected light beam hits an observer 50 is significantly higher. This in turn means that in the observer 50 at
Verwendung der erfindungsgemäßen Leuchte 1 der Eindruck einer höheren Helligkeit entsteht bzw. im Vergleich zu den bekannten Lösungen der Fig. 6 und 7 weniger Licht erforderlich ist, um bei dem Beobachter 50 den gleichen Helligkeitseindruck zu erzielen.Use of the luminaire 1 according to the invention gives rise to the impression of a higher brightness or, compared to the known solutions of FIGS. 6 and 7, less light is required in order to achieve the same brightness impression in the observer 50.
Letztendlich wird also durch die erfindungsgemäße Lösung eine Leuchte geschaffen, welche hinsichtlich ihrer lichttechnischen Eigenschaften sowie aufgrund der vielfältigen Möglichkeiten zur Ausgestaltung des Lichtabstrahlbereichs deutliche Vorteile im Vergleich zu bislang bekannten Leuchten aufweist. Ferner kann die Leuchte ohne Weiteres an bereits existierenden Straßenleuchten befestigt werden. Da die in Größe und Form des manschettenartigen Gehäuses in einfacher Weise angepasst werden kann, bestehen auch hinsichtlich der Einsatzmöglichkeiten der Leuchte keine Einschränkungen. In the end, therefore, a luminaire is created by the solution according to the invention, which has significant advantages in comparison with hitherto known luminaires with regard to their lighting properties and because of the diverse possibilities for designing the light emission area. Furthermore, the lamp can be easily attached to existing street lights. Since the size and shape of the sleeve-like housing can be easily adapted, there are also no limitations with regard to the possible uses of the lamp.

Claims

Zumtobel Lighting GmbH P36030/WOAnsprüche Zumtobel Lighting GmbH P36030 / WO claims
1. Leuchte (1) insbesondere zum Beleuchten von Gehwegen (111), Fußgänger- Überwegen oder Plätzen, mit einem ringartigen Leuchtengehäuse (2), welches dazu ausgebildet ist, am Außenumfang eines Trägerelements, insbesondere an einem Straßenbeleuchtungsmast (102) befestigt zu werden, wobei an oder in dem Leuchtengehäuse (2) mehrere im Wesentlichen punktförmige Lichtquellen (10) angeordnet sind, welche Licht in verschiedene Richtungen abstrahlen.1. luminaire (1) in particular for illuminating walkways (111), pedestrian crossings or squares, with a ring-like luminaire housing (2) which is designed to be fastened to the outer circumference of a carrier element, in particular to a street lighting mast (102), wherein on or in the lamp housing (2) a plurality of substantially point-shaped light sources (10) are arranged, which emit light in different directions.
2. Leuchte nach Anspruch 1, dadurch gekennzeichnet, dass die Lichtquellen (10) durch LEDs gebildet sind.2. Lamp according to claim 1, characterized in that the light sources (10) are formed by LEDs.
3. Leuchte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass den Lichtquellen (10) jeweils eine Optik, beispielsweise eine Linse zugeordnet ist.3. Lamp according to claim 1 or 2, characterized in that the light sources (10) are each associated with an optical system, for example a lens.
4. Leuchte nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Lichtquellen (10) gleichmäßig über den Umfang des Leuchtengehäuses (2) verteilt angeordnet sind.4. Lamp according to one of the preceding claims, characterized in that the light sources (10) are arranged distributed uniformly over the circumference of the lamp housing (2).
5. Leuchte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Lichtquellen (10) - im Hinblick auf eine Zentralachse des Leuchtengehäuses (2) - überwiegen an einer Seite des Gehäuses (2) angeordnet sind.5. Lamp according to one of claims 1 to 3, characterized in that the light sources (10) - in terms of a central axis of the lamp housing (2) - predominate on one side of the housing (2) are arranged.
6. Leuchte nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der horizontale Abstrahlwinkel aller Lichtquellen (10) im Wesentlichen gleich ist. 6. Lamp according to one of the preceding claims, characterized in that the horizontal radiation angle of all light sources (10) is substantially equal.
7. Leuchte nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der horizontale Abstrahlwinkel der Lichtquellen (10) unterschiedlich ist.7. Lamp according to one of claims 1 to 5, characterized in that the horizontal radiation angle of the light sources (10) is different.
8. Beleuchtungsanordnung bestehend aus einer Stehleuchte (100), insbesondere einer Straßenleuchte, mit einem Leuchtenmast, sowie einer an dem Leuchtenmast befestigen Leuchte (1) nach einem der vorherigen Ansprüche.8. Lighting arrangement consisting of a floor lamp (100), in particular a street lamp, with a lamppost, as well as an attach to the lamppost luminaire (1) according to one of the preceding claims.
9. Beleuchtungsanordnung nach Anspruch 8, dadurch gekennzeichnet, dass die Leuchte (1) mit dem ringartigen Leuchtengehäuse (2) ungefähr auf einer Höhe (h) von 0,9 m bis 1,2 m an dem Leuchtenmast angeordnet ist.9. Lighting arrangement according to claim 8, characterized in that the lamp (1) with the annular lamp housing (2) approximately at a height (h) of 0.9 m to 1.2 m is arranged on the lamppost.
10. Beleuchtungsanordnung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der Leuchtenmast einen kreisförmigen Außenumfang aufweist.10. Lighting arrangement according to claim 8 or 9, characterized in that the lamp post has a circular outer periphery.
11. Beleuchtungsanordnung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der Leuchtenmast einen quadratischen Außenumfang aufweist.11. Lighting arrangement according to claim 8 or 9, characterized in that the lamppost has a square outer periphery.
12. Beleuchtungsanordnung nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, dass Komponenten zur Stromversorgung und/oder Ansteuerung der Lichtquellen im Leuchtenmast angeordnet sind. 12. Lighting arrangement according to one of claims 8 to 11, characterized in that components for power supply and / or control of the light sources are arranged in the lamppost.
EP09727689.3A 2008-04-01 2009-04-01 Light for the illumination of paths, pedestrian overpasses, or plazas Active EP2265860B1 (en)

Applications Claiming Priority (2)

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DE202008004449U DE202008004449U1 (en) 2008-04-01 2008-04-01 Luminaire for lighting sidewalks, pedestrian crossings or squares
PCT/EP2009/002387 WO2009121589A1 (en) 2008-04-01 2009-04-01 Light for the illumination of paths, pedestrian overpasses, or plazas

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DE102016002849A1 (en) * 2016-03-10 2017-09-14 Selux Aktiengesellschaft Also down radiating lamp element for a street lighting or street lamp with an annular, downward radiating light source

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