EP2375130B1 - Beleuchtungsmodul für Tunnel-, Außerorts- und Innerortstraßenlicht - Google Patents

Beleuchtungsmodul für Tunnel-, Außerorts- und Innerortstraßenlicht Download PDF

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Publication number
EP2375130B1
EP2375130B1 EP10290189.9A EP10290189A EP2375130B1 EP 2375130 B1 EP2375130 B1 EP 2375130B1 EP 10290189 A EP10290189 A EP 10290189A EP 2375130 B1 EP2375130 B1 EP 2375130B1
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EP
European Patent Office
Prior art keywords
led
lighting module
lens body
lighting
tunnel
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
EP10290189.9A
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English (en)
French (fr)
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EP2375130A1 (de
Inventor
Jacques Lecocq
Loic Boinet
Jean-Paul Rami
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
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Filing date
Publication date
Application filed by Thorn Europhane SA filed Critical Thorn Europhane SA
Priority to EP10290189.9A priority Critical patent/EP2375130B1/de
Publication of EP2375130A1 publication Critical patent/EP2375130A1/de
Application granted granted Critical
Publication of EP2375130B1 publication Critical patent/EP2375130B1/de
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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
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • 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
    • 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
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • 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 lighting module for the lighting of tunnels, roads and streets, which is positioned at a low mounting height level on one or both sides of a tunnel, a road or a street.
  • a cooling device for the LEDs e.g. a heat sink
  • the heat sink, the LEDs and one or more reflectors has to be arranged in a particular way to achieve the desired light direction. This for example leads to the problem that at least some parts of the heat sink have to be positioned in the luminaire at the side where the luminaire is fixed to the sidewall and therefore the cooling of the heat sink is not as effective as possible.
  • Lighting modules with a complex lens body which comprise arched reflective surfaces are disclosed in EP 2 172 695 A2 or US 2006/0067640 A1 .
  • the present invention relates to a lighting module for tunnel, road or street lighting that comprises at least one LED as a light source and a lens body which is adapted to distribute the light emitted by the LED.
  • the LED is attached to a front side of the lens body and the lens body is adapted to distribute the light in a direction generally opposite to the light emitting direction of the LED.
  • the LED or a cluster of LEDs can be positioned in such a way that the emitting side is oriented opposite to the road way or lit area.
  • the lens body furthermore may comprise a reflective surface being arranged at a side opposite of the LED.
  • This reflective surface can be concavely formed in a longitudinal direction of a tunnel, road or street to be lit or comprises - seen in the longitudinal direction of a tunnel, road or a street to be lit - two convexly formed portions.
  • the lens body can in addition comprise a light emitting surface being arranged below the LED and furthermore a second light emitting surface being arranged above the LED.
  • the lighting module lights the road surface and therefore the lighting module is not only but mainly used for the lighting of roads, streets and pedestrian areas.
  • the lens body further comprises a second light emitting surface being arranged above the LED the lighting module lights not only a road surface but also for example a side wall of a tunnel or an underpass.
  • the reflective surface may comprise in vertical direction two convexly formed surface portions.
  • the lighting module may comprise a heat sink being arranged at the backside of the LED and preferably covering completely the LED.
  • the heat sink can comprise electrical connection means for connecting the LEDs to power supply means.
  • a heat sink can be positioned away from for example a sidewall of a tunnel and therefore the cooling of this heat sink is in particular effective.
  • the lighting module furthermore may comprise a plurality of LEDs whereas the LEDs being arranged at the center portion of the front side of the lens body.
  • Fig. 1 and 2 show the lighting of a street and a tunnel.
  • the lighting modules 11, 21 according to the invention are positioned at a low mounting height level of preferable 0.5 - 1.5m, e.g. 1 meter or 1.25m.
  • the lighting modules 11 are place on the roadside on poles or short masts and only light the surface of the road.
  • the lighting modules 21 are fixed to the sidewalls of the tunnel and light not only the surface of the road in the tunnel but also the sidewalls of the tunnel.
  • the distance between each lighting module can be between 5 - 15m.
  • Fig. 3 and 5 each show a perspective view of one embodiment of a lighting module according to the present invention.
  • the lighting module 11 in Fig. 3 is formed to light the road surface and therefore will particularly be used for the lighting of roads, streest and pedestrian areas as already described above.
  • the lighting module 11 comprises a lens body 12, at least one LED 13 and a heat sink 17.
  • the heat sink 17 also comprises electrical connection means for connecting the LED 13 to power supply means which are not shown.
  • Preferably high power LEDs are used and the lens body 12 is manufactured in injected plastic or moulded glass.
  • the LED 13 or a cluster of LEDs is attached to a front side 14 of the lens body 12, whereby the heat sink 17 which is arranged at a backside of the LED 13 can be also fixed to the lens body 12.
  • the LED 13 may be glued directly to the front side 14 of the lens body 12 with the help of an optical gel that ensures the continuity of the light beam through the lens body 12.
  • the heat sink 17 and the LED 13 it is possible that the lighting module 11 fulfills the requirements of IP67.
  • the lens body 12 furthermore comprises a reflective surface 15 which is arranged at a site opposite to the front side 14 where the LED 13 is attached to the lens body 12.
  • This reflective surface 15 can for example be formed in vertical direction convexly. Due to this constructions it is therefore now possible that the light emitting direction of the LED 13 is oriented opposite to the road way or lit area.
  • the lens body 12 For emitting the light to the road surface that has been reflected in the lens body 12 from the reflective surface 15, the lens body 12 additionally comprises a light emitting surface 16 arranged below the LED 13.
  • This light emitting surface 16 can comprise a torical or conical portion. Two different forms of the light emitting surface 16 are also shown in the transversal views in Fig. 4 .
  • the lighting module 21 in Fig. 5 and 6 (Fig. 6 shows a longitudinal view of the lighting module 21 of Fig. 5 ) comprises a lens body 22 which is formed in such a way that the lighting module 21 can not only light a road surface but also a sidewall for example of a tunnel. Therefore the lens body 22 again has a reflective surface 25. This reflective surface 25, however, comprises in vertical direction two convexly formed surface portions.
  • the lens body 22 offers beside the light emitting surface 26 arranged below the LED 23, a second light emitting surface 28 which is arranged above the LED 23. The light from the LED 23 reflected by the surface 25 to the second light emitting surface 28 is then for lighting the sidewall of a tunnel.
  • the LED 23 is again attached to the front side 24 of the lens body 22 as already described in view of Fig. 3 and 3 .
  • the heat sink 27 is arranged at the back side of the LED 23, however, the form of the heat sink 27 differs in that it is now possible that the lighting module 21 light also the sidewall of a tunnel.
  • the heat sink 27 again comprises electrical connection means for connecting the LED 23 to power supply means which are not shown.
  • the LED 23 is positioned on the front side 24 of the lens body 22 in such a way that preferable 2/3 of the light emitted by the LED 23 is directed to the light emitting surface 26 and therefore to the road surface and 1/3 is directed to the second light emitting surface 28 and therefore to the sidewalls of a tunnel.
  • a normal mounting element 29 is used for the mounting of the lighting module 21 to a tunnel wall.
  • a similar mounting element can be used for the lighting module 11 in the Fig. 3 and 3 to mount the lighting module 11 on a short mast or pole.
  • the reflective surface 15 of the lens body 12 (lighting module 11 in Fig. 3 and 4 ) and the reflective surface 25 of the lens body 22 (lighting module 21 of Fig. 5 and 6 ) can be both formed concavely in longitudinal direction as can be seen in Fig. 7 left side.
  • Another opportunity for the form of the reflective surface 15,25 in longitudinal direction is that the reflective surface 15, 25 comprises two convexly formed portions which can be seen in Fig. 7 right side. Both forms help to control the light distribution vertically and also to obtain a narrow beam through the transversal plane.
  • Fig. 8, 9 and 10 show the preferred lighting distribution of the lighting module 11 of Fig. 3 and 4 and the lighting module 21 of Fig. 5 and 6 .
  • Fig. 9 shows the polar intensity curve in transversal plane for the lighting module 21 of Fig. 5 and 6 .
  • Fig. 9 also shows the light distribution for lighting the sidewalls of a tunnel.
  • a preferred angle is 145°.
  • Fig. 4 shows a polar intensity curve in the longitudinal plane for the light emitted to the road surface and for the light emitted to the side wall.
  • a preferred angle is here 70°.
  • the lighting module 11, 21 according to the invention is not limited to one LED 13, 23. As can be seen from Fig. 7 , a plurality of LEDs is also possible, which can then be arranged at a center portion of the front side 14, 24 of the lens body 12, 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (7)

  1. Beleuchtungsmodul (11, 21) für Tunnel-, Außerorts- oder Innerortsstraßenbeleuchtung, aufweisend:
    wenigstens eine durch eine LED (13, 23) gebildete Lichtquelle und
    einen zum Verteilen des von der wenigstens einen LED (13, 23) emittierten Lichts geeigneten Linsenkörper (12, 22),
    wobei die wenigstens eine LED (13, 23) an einer Vorderseite (14, 24) des Linsenkörpers (12, 22) angebracht ist und wobei der Linsenkörper (12, 22) geeignet ist zum Verteilen des Lichts in einer Richtung, die zur Lichtabgaberichtung der LED (13, 23) im Wesentlichen entgegengesetzt ist, und
    wobei der Linsenkörper (12, 22) eine reflektierende Fläche (15, 25) aufweist, die auf einer Seite angeordnet ist, die der wenigstens einen LED (13, 23) gegenüber liegt,
    dadurch gekennzeichnet, dass
    die reflektierende Fläche (15, 25) in einer Längsrichtung einer zu beleuchtenden Tunnel-, Außerorts- oder Innerortsstraße konkav ausgebildet ist oder die reflektierende Fläche (15, 25), in einer Längsrichtung einer zu beleuchtenden Tunnel-, Außerorts- oder Innerortsstraße gesehen, zwei konvex ausgebildete Abschnitte aufweist.
  2. Beleuchtungsmodul nach Anspruch 1,
    wobei der Linsenkörper (12, 22) eine unterhalb der LED (13, 23) angeordnete Lichtabgabefläche (16, 26) aufweist.
  3. Beleuchtungsmodul nach Anspruch 2, wobei der Linsenkörper (12, 22) eine oberhalb der LED (13, 23) angeordnete zweite Lichtabgabefläche (28) aufweist.
  4. Beleuchtungsmodul nach Anspruch 3, wobei die reflektierende Fläche (15, 25) in einer vertikalen Richtung zwei konvex ausgebildete Flächenabschnitte aufweist.
  5. Beleuchtungsmodul nach einem der vorhergehenden Ansprüche,
    weiter aufweisend eine Wärmesenke (17, 27), die an einer Rückseite der LED (13, 23) angeordnet ist und vorzugsweise die LED (13, 23) vollständig bedeckt.
  6. Beleuchtungsmodul nach Anspruch 5,
    wobei die Wärmesenke (17, 27) eine elektrische Verbindungseinrichtung zum Verbinden der LED (13, 23) mit einer Energieversorgungseinrichtung aufweist.
  7. Beleuchtungsmodul nach einem der vorhergehenden Ansprüche,
    wobei das Modul (11, 21) mehrere LEDs (13, 23) aufweist, wobei die LEDs (13, 23) an einem zentralen Abschnitt der Vorderseite (14, 24) des Linsenkörpers (12, 22) angeordnet sind.
EP10290189.9A 2010-04-09 2010-04-09 Beleuchtungsmodul für Tunnel-, Außerorts- und Innerortstraßenlicht Active EP2375130B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10290189.9A EP2375130B1 (de) 2010-04-09 2010-04-09 Beleuchtungsmodul für Tunnel-, Außerorts- und Innerortstraßenlicht

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10290189.9A EP2375130B1 (de) 2010-04-09 2010-04-09 Beleuchtungsmodul für Tunnel-, Außerorts- und Innerortstraßenlicht

Publications (2)

Publication Number Publication Date
EP2375130A1 EP2375130A1 (de) 2011-10-12
EP2375130B1 true EP2375130B1 (de) 2014-07-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949002A (zh) * 2015-04-13 2015-09-30 鲁东大学 一种led高杆灯大范围均匀配光的方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SK500422011A3 (sk) 2011-10-25 2013-05-03 Leader Light S. R. O. Device for comprehensive protection against external sources LED weather conditions
DE102012109113A1 (de) * 2012-09-26 2014-04-17 Osram Opto Semiconductors Gmbh Optisches Element und Beleuchtungsvorrichtung mit einem optischen Element
EP2894394B1 (de) * 2014-01-10 2021-06-09 ZG Lighting France S.A.S Beleuchtungsvorrichtung zur Beleuchtung von Gebäuden, Fassaden oder Wänden
EP2894392B1 (de) * 2014-01-10 2021-06-09 ZG Lighting France S.A.S Beleuchtungsvorrichtung zur Beleuchtung von Straßen oder Wegen
EP2894395B1 (de) * 2014-01-10 2021-04-07 ZG Lighting France S.A. Beleuchtungsvorrichtung zur Beleuchtung von Tunneln, Unterführungen oder Fußgängertunneln
KR101528731B1 (ko) * 2014-12-18 2015-06-15 서동필 확산렌즈 구조체 및 이를 포함하는 발광 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172695A2 (de) * 2008-10-03 2010-04-07 Taiwan Network Computer & Electronic Co., Ltd. Lichtverteilerplatte mit Lichtverteilerkurven aus mehreren Seiten

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
TWI249257B (en) * 2004-09-24 2006-02-11 Epistar Corp Illumination apparatus
US7637630B2 (en) * 2008-04-22 2009-12-29 Ruud Lighting, Inc. Integrated shield-gasket member in LED apparatus
US8002435B2 (en) * 2008-06-13 2011-08-23 Philips Electronics Ltd Philips Electronique Ltee Orientable lens for an LED fixture
EP2148129B1 (de) 2008-07-21 2011-12-21 Thorn Europhane S.A. System zur Beleuchtung eines Tunnels oder einer Unterführung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172695A2 (de) * 2008-10-03 2010-04-07 Taiwan Network Computer & Electronic Co., Ltd. Lichtverteilerplatte mit Lichtverteilerkurven aus mehreren Seiten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949002A (zh) * 2015-04-13 2015-09-30 鲁东大学 一种led高杆灯大范围均匀配光的方法

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