EP1362205A1 - Feux encastres pour la signalisation et/ou le balisage - Google Patents

Feux encastres pour la signalisation et/ou le balisage

Info

Publication number
EP1362205A1
EP1362205A1 EP02714037A EP02714037A EP1362205A1 EP 1362205 A1 EP1362205 A1 EP 1362205A1 EP 02714037 A EP02714037 A EP 02714037A EP 02714037 A EP02714037 A EP 02714037A EP 1362205 A1 EP1362205 A1 EP 1362205A1
Authority
EP
European Patent Office
Prior art keywords
housing
cover
fire according
underfloor
underfloor fire
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
EP02714037A
Other languages
German (de)
English (en)
Other versions
EP1362205B1 (fr
Inventor
Jan Cuypers
Jean-Claude Vandevoorde
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE10149263A external-priority patent/DE10149263A1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1362205A1 publication Critical patent/EP1362205A1/fr
Application granted granted Critical
Publication of EP1362205B1 publication Critical patent/EP1362205B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/022Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a floor or like ground surface, e.g. pavement or false floor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/15Thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/06Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Definitions

  • the invention relates to an underfloor light for signaling and / or marking purposes with a housing which is placed in a traffic area, e.g. a road, airport taxi, take-off and landing runway or the like is embedded, a housing cover, by means of which the housing embedded in the traffic area can be closed on its upper side, which can be detachably connected to the housing, and the at least one Has light outlet opening, and a lamp which is arranged in the housing and can be emitted by means of the light through the light outlet opening of the housing cover.
  • a traffic area e.g. a road, airport taxi, take-off and landing runway or the like
  • a housing cover by means of which the housing embedded in the traffic area can be closed on its upper side, which can be detachably connected to the housing, and the at least one Has light outlet opening, and a lamp which is arranged in the housing and can be emitted by means of the light through the light outlet opening of the housing cover.
  • underfloor lights of this type in which LED (light-emitting diodes) are used as the illuminant, the amount of heat generated during operation of the illuminant is usually converted by convection into a gas, which is often air;
  • the illuminant is assigned a heat sink, from which the amount of heat generated during operation of the illuminant is released to the gas or air by convection. Because of the limited spatial conditions prevailing in underfloor fires, underfloor fires equipped with a heat sink with a small thermal resistance have a total thermal resistance of typically more than 30 K / W power loss.
  • thermal resistance between the barrier layer of the LED and the PC plate of more than 150 K / W. In some automated applications, thermal resistance in the order of about 70 K / W is achieved.
  • rt ⁇ 3 " ⁇ t- ⁇ tr 1 Hl 3 Cu ⁇ > cn Hi ⁇ CU Ir 1 3 rt P- Cu M ⁇ d C ⁇ ⁇ 'P- rt P p er P P- tr ⁇ P- ⁇ ⁇ u ⁇ d cn 3 d rt ⁇ o er ⁇ P- ⁇ 3 —- d C ⁇ 3 P- 3 ⁇ ⁇ ⁇ t ⁇
  • the required light emission powers can be achieved with just a single power LED.
  • a maximum of six power LEDs per light outlet opening should expediently be provided as the illuminant.
  • a collimator element is assigned to the at least one power LED.
  • This collimator element can be used to emit the light radiation directly through the radiation window; alternatively, the light can be emitted by means of the collimator element after a previous reflection on a radiation shape or deflection mirror.
  • the desired distribution of light radiation can be achieved by using collimators, lenses, prisms, diffractors and / or mirrors.
  • the heat-conducting bridge between the illuminant and the housing cover can be realized in a structurally and technically inexpensive manner if the at least one power LED sits with its carrier plate on a base plate which is attached to and with at least one inner cover part connected to the underside of the housing cover forms the thermal bridge to the housing cover and thus to the housing.
  • the heat-conducting bridge is advantageously formed by the base plate and two cover inner parts, which are arranged on both sides of the support plate and are connected to the underside of the housing cover.
  • the two inner parts of the cover can be arranged on the end sections of the base plate, each inner part of the cover advantageously lying flat against the base plate and flat against the underside of the housing cover. > c ⁇ V> IV) h- 1 P »
  • FIGURE 1 is an external perspective view of an underfloor light according to the invention
  • FIGURE 2 is a first sectional view of the underfloor light according to the invention
  • FIGURE 3 is a second sectional view of the underfloor light according to the invention
  • FIGURE 4 is a perspective view of the underside of a housing cover of the underfloor light according to the invention shown in FIGS. 1 to 3
  • 5 shows a side view of a lamp of the underfloor light according to the invention
  • FIGURE 6 is a front view of the illuminant shown in FIGURE 5;
  • FIGURE 7 is a perspective view of the
  • FIGURES 5 and 6 shown bulbs; FIGURE 8 to
  • FIGURE 10 Principle representations of further underfloor lights according to the invention.
  • FIGURE 11 shows the characteristic curve of a power LED compared to that of a conventional 5 mm LED.
  • An underfloor light 1 according to the invention shown on the basis of FIGS. 1 to 4 includes a housing 2 which is approximately cylindrical and m a traffic area 3 embedded
  • the traffic area 3 can be, for example, a street, an airport taxiway, take-off and landing runway or the like. act.
  • the underfloor light 1 is used for signaling and / or marking purposes.
  • the housing 2 of the underfloor light 1 can be closed by means of a housing cover 4, which can be detachably connected to the housing 2, for example by means of screw connections 5.
  • the housing cover 4 is only slightly, eg less than 13 mm in front of the traffic area.
  • the housing 2 is either directly surrounded by the material forming the traffic area 3, or between the housing 2 and the material forming the actual traffic area 3, thermally conductive building materials, such as epoxy or polyester-filled mortar, are provided.
  • a line (power) LED 6 is provided as the illuminant within the housing 2.
  • This power LED 6 has a maximum light output power at a through current of approx. 700 to 750 A, as can be seen from FIGURE 11, which shows the light output power as a function of the current intensity for a power LED and for a conventional 5 mm LED ,
  • the power LED 6 sits on a carrier plate 7, which in turn, as can best be seen in FIG. 5, is connected to a base plate 9 by suitable connecting means 8.
  • the carrier plate 7 of the power LED 6 and the base plate 9 lie flat against one another.
  • the total thermal resistance between the barrier layer of the power LED 6 and the base plate 9 is approximately 11 K / W.
  • FIG. 11 shows the corresponding values of a customary 5 mm LED, in which there is a thermal resistance of approximately 220 K / W.
  • the power LED 6 is assigned a collimator element 10, by means of which the light output of the power LED 6 can be optimized.
  • the light emitted by the power LED 6 comes out of the collimator element 10 into an optical unit 11, which exits the emitted light through a light exit opening 12 provided in the housing cover 4.
  • the design of the light beam emitted by the underfloor light 1 depends, among other things, on how the optics unit 11 is configured, which lenses, prisms, diffractors, mirrors and the like are adapted according to the desired type of light radiation. can have.
  • the collimator member 10 is held by means of a lens holder 13, which in turn is connected by means of suitable connecting members 14 to strongly thermally conductive spacers, for example metallic polygonal sleeves 15, protruding from the base plate 9 on both sides of the carrier plate 7.
  • suitable connecting members 14 to strongly thermally conductive spacers, for example metallic polygonal sleeves 15, protruding from the base plate 9 on both sides of the carrier plate 7.
  • a shutter 16 is arranged on the side of the lens holder 13 facing away from the collimator member 10.
  • the configuration of the assembly from base plate 9, carrier plate 7, power LED 6, polygonal sleeves 15, collimator member 10, lens holder 13 and shutter or shutter 16 can best be seen in FIGS. 5 to 7.
  • the base plate 9 is, as can best be seen from FIG. 4, attached to a cover inner part 17, 18 at its two lateral end sections.
  • the two inner cover parts 17, 18 are designed in the same way, so that only the inner cover part 17 is described below.
  • the inner cover part 17 is, as can best be seen from an overview of FIGS. 2 to 4, connected flat to the underside 19 of the housing cover 4. Accordingly, the inner cover part 17 lies flat against the end section of the base plate 9.
  • the mutually assigned contact surfaces on the inner side of the cover and base plate and the mutually associated contact surfaces on the inner side of the cover and the cover are designed to be metallically smooth in order to ensure undisturbed heat transfer between the base plate 9 and the inner cover part 17 or the inner cover part 17 and the housing cover 4.
  • the base plate 9 and the inner cover part 17 or the inner cover part 18 form a heat-conducting bridge between the power LED or its carrier plate 7 and the housing cover 4.
  • the housing cover 4 is in turn connected via a metallically smooth cover-side contact surface 20 to a likewise metallically smooth housing-side contact surface 21, as a result of which the heat is released from the housing cover 4 via the housing 2 to the traffic area or the material forming the traffic area.
  • Both the carrier plate 7 of the power LED 6 and the base plate 9 and the two inner cover parts 17, 18 are made of a material with a high thermal conductivity coefficient, so that the heat-conducting bridge to the housing cover 4 formed by the base plate 9 and the inner cover parts 17, 18 , the housing cover 4 and the housing 2, a heat dissipation path from the power LED 6 to the traffic area 3 is created.
  • This heat dissipation path has an entire one
  • the heat dissipation from the illuminant or from the power LED 6 is thus effected practically without convection; rather, a heat-conducting bridge to the housing cover 4 is created by means of the inner cover parts 17, 18 and the base plate 9, as a result of which comparatively large amounts of heat are generated via the Housing cover 4 and the housing 2 can be delivered to the traffic area 3.
  • This enables the light output of the power LED 6 and thus the radiation power of the underfloor light 1, which meet all requirements and in which the restrictions regarding the dimensions of the light exit opening 12, which are predetermined by the slight protrusion of the housing cover 4 over the top of the traffic area 3, are easily complied with can.
  • FIGS. 8 and 10 show a top view of further embodiments of underfloor lights 1 equipped according to the invention with thermal bridges, the embodiment according to FIG. 8 showing a housing cover 4 with two symmetrical to one Axis arranged light outlet openings 12, whereas the embodiment according to FIG 10 has a housing cover 4 with two light outlet openings 12, the symmetry axis enclose an angle.
  • FIGURE 9 shows a further embodiment of an underfloor light 1 formed with thermal bridges according to the invention with two four power LEDs.
EP02714037A 2001-02-20 2002-02-19 Feux encastres pour la signalisation et/ou le balisage Expired - Lifetime EP1362205B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10108144 2001-02-20
DE10108144 2001-02-20
DE10149263 2001-10-05
DE10149263A DE10149263A1 (de) 2001-02-20 2001-10-05 Unterflurfeuer für Signalisierungs- und/oder Markierungszwecke
PCT/DE2002/000597 WO2002066888A1 (fr) 2001-02-20 2002-02-19 Feux encastres pour la signalisation et/ou le balisage

Publications (2)

Publication Number Publication Date
EP1362205A1 true EP1362205A1 (fr) 2003-11-19
EP1362205B1 EP1362205B1 (fr) 2007-11-14

Family

ID=26008575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02714037A Expired - Lifetime EP1362205B1 (fr) 2001-02-20 2002-02-19 Feux encastres pour la signalisation et/ou le balisage

Country Status (7)

Country Link
US (1) US7300186B2 (fr)
EP (1) EP1362205B1 (fr)
AT (1) ATE378551T1 (fr)
DE (1) DE50211203D1 (fr)
DK (1) DK1362205T3 (fr)
ES (1) ES2292734T3 (fr)
WO (1) WO2002066888A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2331750T3 (es) * 2005-03-08 2010-01-14 Grant Harold Amor Aparato de iluminacion led (diodo emisor de luz) en un alojamiento de plastico.
US7883234B2 (en) * 2008-04-18 2011-02-08 Spot Devices, Inc Embeddable lighting systems
ES1070492Y (es) * 2009-04-22 2009-12-02 Daisalux Sa Baliza de señalizacion luminosa
EP3133020B1 (fr) * 2015-07-02 2018-12-19 Induperm A/S Dispositif de fermeture
JP6905688B2 (ja) * 2018-03-23 2021-07-21 東芝ライテック株式会社 航空標識灯
CA3110827C (fr) * 2018-10-26 2023-06-27 HotaluX, Ltd. Dispositif de faisceau de lumiere integre a la piste
AU2019365599B2 (en) 2018-10-26 2022-09-22 HotaluX, Ltd. Runway-embedded flash lighting device
RU2767557C1 (ru) 2019-04-18 2022-03-17 СЕРФЕЙС ИГНИТЕР, ЭлЭлСи Источник инфракрасного излучения для применений, связанных с огнями взлетно-посадочных полос аэропортов
CN110081355A (zh) * 2019-05-28 2019-08-02 航达康机电技术(武汉)有限公司 机场嵌入式助航灯
JP2021039908A (ja) * 2019-09-04 2021-03-11 東芝ライテック株式会社 航空標識灯

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155321A (en) * 1960-09-30 1964-11-03 Multi Electric Mfg Inc Airport runway light
US4358708A (en) * 1980-04-15 1982-11-09 North American Philips Corporation Light emitting diode assembly
SE453323B (sv) 1986-07-07 1988-01-25 Tetis Plasttetningar Ab For flygplatser avsett markeringsljus arbetande med lag temperatur
SE449600B (sv) * 1986-07-07 1987-05-11 Tetis Plasttetningar Ab For flygplatser avsett markeringsljus med notningsskydd
DE9420961U1 (de) 1994-12-31 1996-05-02 Halloform Gmbh & Co Kg Fußbodenleuchte
WO1997044612A1 (fr) 1996-05-23 1997-11-27 Siemens Aktiengesellschaft Dispositif d'eclairage pour aeroports, en particulier feu encastre
DE19809253A1 (de) 1998-03-05 1999-09-09 Aqua Signal Ag Unterflurleuchte und Gruppe von Unterflurleuchten
DE19837224A1 (de) 1998-08-17 2000-03-09 Siemens Ag Leuchteinrichtung für die Signalabgabe auf sowie die Kennzeichnung und Markierung von Verkehrsflächen
NO318247B1 (no) 1999-12-22 2005-02-21 Advanced Light As Lysinnretning for installasjon i en plan flate
US6565239B2 (en) * 2001-02-27 2003-05-20 Farlight, L.L.C. Flush luminaire with optical element for angular intensity redistribution
US6902291B2 (en) * 2001-05-30 2005-06-07 Farlight Llc In-pavement directional LED luminaire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02066888A1 *

Also Published As

Publication number Publication date
ATE378551T1 (de) 2007-11-15
DE50211203D1 (de) 2007-12-27
EP1362205B1 (fr) 2007-11-14
WO2002066888A1 (fr) 2002-08-29
US20060072312A1 (en) 2006-04-06
ES2292734T3 (es) 2008-03-16
DK1362205T3 (da) 2008-03-03
US7300186B2 (en) 2007-11-27

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