EP2803911B1 - Dispositif d'éclairage à DEL avec distribution améliorée de la lumière - Google Patents

Dispositif d'éclairage à DEL avec distribution améliorée de la lumière Download PDF

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Publication number
EP2803911B1
EP2803911B1 EP14167797.1A EP14167797A EP2803911B1 EP 2803911 B1 EP2803911 B1 EP 2803911B1 EP 14167797 A EP14167797 A EP 14167797A EP 2803911 B1 EP2803911 B1 EP 2803911B1
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EP
European Patent Office
Prior art keywords
lighting
lighting device
optics
leds
reflectors
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.)
Active
Application number
EP14167797.1A
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German (de)
English (en)
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EP2803911A1 (fr
Inventor
Dante Cariboni
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.)
Cariboni Group SpA
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Cariboni Group SpA
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Publication date
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Publication of EP2803911A1 publication Critical patent/EP2803911A1/fr
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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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • 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
    • 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
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
    • 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
    • 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 object of the present invention is an LED (Light Emitting Diode) lighting device with improved light distribution.
  • the present invention refers to a lighting device of the LED type particularly suitable for being used for functions of public lighting of urban and suburban roads and/or motorways, for the lighting of parking lots, parks and gardens and/or pedestrian areas.
  • the same device can be used for the lighting of elements of street furniture such as, for example, façades of public and/or private buildings or the like with poor visibility and which, consequently, require lighting and enhancement by means of special lamps or spotlights or other known means of lighting.
  • lighting devices are typically used, specifically dedicated to the lighting of the main road and the secondary and adjacent routes. More particularly said lighting devices are, generally, mounted on the same support poles or on coupled poles and orientated in such a way as to emit the light beam in the direction of the main road and of the secondary adjacent one, mounted at the same height or at different heights as a function of the specific lighting technology parameters.
  • a further disadvantage of traditional lighting devices and technologies is represented by the fact that the use of two lighting devices mounted on a same support pole or on two adjacent poles entails the formation of a "forest" of lighting points which may not be particularly pleasing or suitable from an aesthetic standpoint.
  • a further disadvantage linked to the use of several lighting devices mounted on a same support pole is represented by an increase in the costs of maintenance, taking account of the fact that as the number of lighting appliances increases the risk of faults, outages and/or breakages tends to grow.
  • the object of the present invention is that of avoiding the disadvantages mentioned above.
  • the object of the present invention is that of providing an LED lighting device which allows simultaneous lighting of main roadways and of the adjacent and secondary ones using a single lighting appliance.
  • a further object of the present invention is that of providing a lighting device which allows the lighting distribution to be varied as a function of the specific needs of lighting.
  • a further object of the present invention is that of providing a lighting device suitable for allowing a reduction in the costs of systems engineering, of maintenance, of energy consumption, of environmental impact as well for guaranteeing the observance of the aesthetic parameters.
  • a further object of the present invention is that of making available to users an LED lighting device suitable for guaranteeing a high level of resistance and reliability in time and such, moreover, as to be able to be easily and economically manufactured.
  • an LED (Light Emitting Diode) lighting device is provided, connected to a support pole with a "post-top” or “suspension” connection and comprising modular means suitable for allowing the single lighting device to orientate the distribution of the light beam emitted by LEDs simultaneously according to a bidirectional distribution with respect to the support pole.
  • the LED lighting device with improved light distribution of the present invention is shown in Figure 1 arranged in connection with respect to a support pole 12 by means of an accessory arm 14 in a configuration typically defined as "suspension".
  • the same lighting device can be arranged directly on the top of the support pole 12 in a configuration typically defined as "post-top”.
  • the LED lighting device in the preferred embodiment as per the drawings, is substantially constituted by three portions defined by a first portion 16 suitable for allowing the connection with respect to the support pole 12 or to the accessory arm 14 and in which all the electrical and electronic components are housed necessary for the functioning of the lighting device, a second portion 18 placed in connection with the first portion on the opposite side with respect to that of connection with the support pole or with the accessory arm and suitable for supporting, on the side opposite to that of connection with the first portion, a third portion 20 defining a lighting body of the lighting device.
  • the lighting body defined by the third portion 20, with particular reference to the preferred embodiment as per the drawings, has a substantially disk-shaped configuration and is defined by the container body 22 suitable for housing the PCB (Printed Circuit Board) electronic plates or boards 24 whereon the lighting sources provided with LEDs 26 are positioned and with optics or reflectors 28 (defining secondary optics in addition to the primary optics typically integrated with the LEDs) placed above the electronic plates 24 and suitable for intercepting the beam of light emitted by the LEDs 26 and for reflecting it in the directions required as detailed here below.
  • PCB printed Circuit Board
  • the container body 22 of the lighting body is moreover closed by means of a screen or cover 30 in coloured or transparent plastic material tendentially but not exclusively plate-shaped and to which lenses can be integrated (for example Fresnel lenses) having the function of increasing the luminosity of the beam of light emitted by the LEDs.
  • lenses for example Fresnel lenses
  • FIG. 3 different configurations of arrangement of one or more electronic plates or boards 24 in the container body 22 are schematised, with said boards defined by modules preferably, but not exclusively, provided with ten, twenty or thirty LEDs and secured inside said container body 22 singly or in groups as a function of the specific lighting needs.
  • modules preferably, but not exclusively, provided with ten, twenty or thirty LEDs and secured inside said container body 22 singly or in groups as a function of the specific lighting needs.
  • combinations are possible defined by two modules with ten LEDs, two modules with twenty LEDs, one module with ten and one module with thirty LEDs or, again, a configuration is possible in which a single module with twenty LEDs is used.
  • Figure 4 represents a schematisation of different embodiment configurations relative to the arrangement of the optics or reflectors 28 for the management of the light beam emitted by the LEDs as a function of the arrangement of the electronic plates or boards 24, with said optics arranged with reflecting elements orientated in the same direction or opposite as a function of the specific lighting needs.
  • the optics 28 are of the type with rotosymmetrical distribution of the luminous flux with photometry passing on the axis of the lighting device and of the road distribution type in which the distribution of the light beam is directed along the road axis in such a way as to be able to make best use of the photometric emission without dispersing light where it is not needed and without creating points of darkness.
  • the optics or reflectors 28 used in the lighting device define modules provided with reflecting elements, preferably but not exclusively ten, such as to allow different distributions of the light beam and, as mentioned previously, are arranged relatively to the electronic plates 24 singly or can be coupled and grouped one in relation to the other in a number of two or more and placed adjacent or distanced one from the other as a function of the specific lighting needs and the arrangement of the electronic plates provided with LEDs.
  • a configuration is possible with two assemblies each one constituted by two optics or reflectors 28 coupled and adjacent one in relation to the other or with said two pairs of reflectors distanced one in relation to the other or, again, a configuration defined by a single optic or reflector 28 and by a group of three reflectors distanced with respect to the single reflector or optic, etc.
  • Figure 2 shows a sectioned view of the lighting body of the lighting device of the invention, in which two optics or reflectors 28 are present, coupled adjacent one to the other, and a third optic or reflector 28 arranged singly or distanced from the aforesaid pair of reflectors.
  • Figure 6 schematises the photometric diagrams relating to the distribution of the light beam emitted by the lighting device of the invention in the case of a bidirectional distribution as per Figure 5 .
  • the LED lighting device with improved light distribution allows advantageously a simultaneous illumination of the zones frontal to the support pole and of the rear ones, i.e. of the main roadways and of the adjacent and secondary ones using a single lighting appliance.
  • This in that it combines optics with rotosymmetrical distribution and optics with road distribution, installed on the axis of the roadway and on the opposite axis, in such a way as to be able to make best use of the photometric distribution without dispersing the light where it is not needed.
  • the lighting device having the electronic plates or boards with the LEDs and optics of modular type is highly flexible and can be reconfigured as a function of the specific lighting needs and, likewise, allows different levels of lighting to be fulfilled both of roadways and of pavements simply by varying the composition/arrangement of the LED modules and of the modules of reflecting elements or optics in the manner which best complies with regulations.
  • a further advantage is represented by the fact that the lighting device of the invention allows the obtaining, by combining in a different way in terms of number and position, the electronic plates and/or the optics or reflectors, multiple configurations without structural modifications of the lighting appliance.
  • a further advantage is represented by the fact that the lighting device of the invention allows advantageously the reduction in the plant costs and energy waste, in that the number of lighting appliances per single support pole is reduced.
  • the lighting device of the invention does not generate a "forest" of support poles and lighting devices and, consequently, does not impair possible aesthetic or environmental impact parameters.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (7)

  1. Dispositif d'éclairage à DEL (diode électroluminescente) (10), en particulier adapté pour être utilisé pour des fonctions d'éclairage public de routes urbaines ou suburbaines et/ou d'autoroutes, pour l'éclairage d'aires de stationnement, de parcs et de jardins et/ou de zones piétonnes, pour l'éclairage d'éléments de mobilier urbain tels que des façades de bâtiments publics et/ou privés ou autres, connecté à un montant de support (12) avec une connexion de « haut de poteau » ou à « suspension » et caractérisé en ce qu'il comprend
    un corps d'éclairage (20) défini par un corps de réceptacle (22) accueillant des moyens modulaires, lesdits moyens modulaires étant constitués de
    un/une ou plusieurs panneaux ou plaques électroniques (24) pourvus de DELs (26) et de
    un/une ou plusieurs réflecteurs ou optiques (28) définissant des optiques secondaires dotées d'éléments réfléchissants, lesquels sont combinés séparément ou par groupes avec un nombre identique ou différent de DELs (26), lesdits panneaux ou plaques électroniques (24) étant différents en termes de nombre et/ou de distribution géométrique des DELs (26) sur les panneaux (24), pour différentes configurations,
    lesdits panneaux ou plaques électroniques (24) avec DELs étant fixés intérieurement audit corps de réceptacle (22) séparément ou par groupes,
    les réflecteurs ou optiques (28) étant disposés par rapport aux plaques électroniques (24) séparément ou par groupes selon un nombre de deux ou plus desdits réflecteurs ou optiques (28) pour permettre audit dispositif d'éclairage (10) d'orienter la distribution du faisceau lumineux émis par des DELs (26) simultanément en fonction d'une distribution bidirectionnelle par rapport au montant de support (12), en combinant les panneaux ou plaques électroniques (24) et/ou les réflecteurs ou optiques (28) de différentes manières en termes de nombre et de position sans modifications structurelles du dispositif d'éclairage.
  2. Dispositif d'éclairage selon la revendication 1, caractérisé en ce que les panneaux ou plaques électroniques (24) comprennent dix, vingt ou trente DELs.
  3. Dispositif d'éclairage selon les revendications précédentes, caractérisé en ce que les réflecteurs ou optiques (28) sont disposés au-dessus des plaques électroniques (24) individuellement ou par groupes de deux modules ou plus d'une manière correspondant auxdites plaques électroniques.
  4. Dispositif d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les réflecteurs ou optiques (28) sont disposés au-dessus des plaques électroniques (24) avec les éléments réfléchissants orientés dans la même direction ou de façon opposée.
  5. Dispositif d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les réflecteurs ou optiques (28) définissent une distribution de route ou roto-symétrique du flux lumineux émis par les DELs.
  6. Dispositif d'éclairage selon l'une quelconque des revendications 5 à 7, caractérisé en ce que les réflecteurs ou optiques (28) sont définis par des modules comprenant dix éléments réfléchissants.
  7. Procédé d'éclairage à l'aide d'un faisceau lumineux émis par des DELs (26) d'un seul dispositif d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que celui-ci utilise des éléments modulaires constitués de panneaux ou plaques électroniques (24) dotés de DELs, différents en termes de nombre et/ou de distribution géométrique des DELs (26) sur les panneaux (24), et des éléments modulaires superposés définis par des réflecteurs ou optiques (28), lesdits éléments modulaires étant disposés l'intérieur du corps de réceptacle du corps d'éclairage, combinés séparément ou par groupes, afin d'obtenir différentes configurations appropriées pour une distribution bidirectionnelle simultanée du faisceau lumineux, sans modifications structurelles du dispositif d'éclairage.
EP14167797.1A 2013-05-15 2014-05-09 Dispositif d'éclairage à DEL avec distribution améliorée de la lumière Active EP2803911B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000798A ITMI20130798A1 (it) 2013-05-15 2013-05-15 Dispositivo di illuminazione a led con distribuzione luminosa perfezionata

Publications (2)

Publication Number Publication Date
EP2803911A1 EP2803911A1 (fr) 2014-11-19
EP2803911B1 true EP2803911B1 (fr) 2021-05-05

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EP14167797.1A Active EP2803911B1 (fr) 2013-05-15 2014-05-09 Dispositif d'éclairage à DEL avec distribution améliorée de la lumière

Country Status (3)

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EP (1) EP2803911B1 (fr)
ES (1) ES2872325T3 (fr)
IT (1) ITMI20130798A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3063090B1 (fr) * 2017-02-17 2022-04-01 Commissariat Energie Atomique Systeme de passage pour pietons

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7909479B2 (en) * 2005-06-10 2011-03-22 Lemnis Lighting Patent Holding B.V. Lighting arrangement and solid-state light source
JP4745184B2 (ja) * 2006-10-03 2011-08-10 スタンレー電気株式会社 照明装置
WO2010010494A1 (fr) * 2008-07-24 2010-01-28 Koninklijke Philips Electronics N.V. Luminaire doté de plusieurs unités d’éclairage
JP5421817B2 (ja) * 2010-02-23 2014-02-19 パナソニック株式会社 照明装置
EP2405181A1 (fr) * 2010-07-07 2012-01-11 Schreder Appareil d'éclairage modulaire des voies publiques
WO2012142447A1 (fr) * 2011-04-13 2012-10-18 Amerlux, Llc Réverbère orientable
DE102011082454A1 (de) * 2011-09-09 2012-12-20 Osram Ag Led-beleuchtungsvorrichtung

Also Published As

Publication number Publication date
EP2803911A1 (fr) 2014-11-19
ES2872325T3 (es) 2021-11-02
ITMI20130798A1 (it) 2014-11-16

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