EP2541134B1 - Flughindernisleuchte - Google Patents

Flughindernisleuchte Download PDF

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Publication number
EP2541134B1
EP2541134B1 EP12173619.3A EP12173619A EP2541134B1 EP 2541134 B1 EP2541134 B1 EP 2541134B1 EP 12173619 A EP12173619 A EP 12173619A EP 2541134 B1 EP2541134 B1 EP 2541134B1
Authority
EP
European Patent Office
Prior art keywords
light
lens
lenses
printed circuit
led
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
EP12173619.3A
Other languages
English (en)
French (fr)
Other versions
EP2541134A2 (de
EP2541134A3 (de
Inventor
Hannu Puikkonen
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.)
Obelux Oy
Original Assignee
Obelux Oy
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Filing date
Publication date
Application filed by Obelux Oy filed Critical Obelux Oy
Publication of EP2541134A2 publication Critical patent/EP2541134A2/de
Publication of EP2541134A3 publication Critical patent/EP2541134A3/de
Application granted granted Critical
Publication of EP2541134B1 publication Critical patent/EP2541134B1/de
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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • 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
    • 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
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21W2111/06—Use 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
    • 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
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • 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 flight obstruction light with a light pattern extending horizontally omnidirectionally and working with LEDs.
  • Flight obstruction lights are lighting apparatuses attached to high buildings or the like for preventing aircraft from colliding with the structures.
  • the lights increase the visibility of high structures and they are mainly used in the nighttime, but they are also used during the day, if necessary.
  • the lights are continuously-lit or blinking red lights or white blinking lights.
  • the type, application, lighting, method, intensity and several other aspects are determined by national and international air traffic regulations, such as those by ICAO and FAA.
  • LED lighting are long service intervals, good reliability and long service life. Thus they are especially well suited for use in places with difficult access either due to structural reasons or long distances.
  • WO 97/29320 discloses a flight obstruction light in which the light source is formed by LEDs located on e.g. superimposed printed circuit boards, on their circumference, so that a light with a light pattern extending horizontally omnidirectionally and emitting light into a light beam is formed.
  • DE 3806217 discloses an LED light having a cylindrical tubular body, around which the LEDs are arranged in three layers with certain intervals around the body.
  • the LED light sources are arranged on a circular printed circuit board fastened in a flange-like way to the edge of the plate-like body pieces. There the light is emitted upwards from the LEDs and directed to the sides by means of lenses.
  • the solution allows producing a modular structure in which a number of light units can be stacked above each other. Further examples of LED flight obstruction lights are described in DE 20 2007 005003 , DE 10 2005 061815 and US 2010/091507 .
  • the light beams of flight obstruction lights must meet requirements of very precise regulations. Such requirements include, among others, the light power and the width of the beam.
  • a horizontally omnidirectional light the intensity of the light beam should be as even as possible along the whole circle lit by the light beam.
  • LED lights the widely emitted light of the light source is controlled by means of lenses. For example, a beam with a vertical extension of three degrees and having a good efficiency requires a large lens.
  • the horizontal light distribution of e.g. a fresnel lens is about 120 degrees.
  • the purpose of this invention is to provide a mechanically smaller flight obstruction light by means of which it is possible to provide a sufficiently even omnidirectional light beam more cost-effectively than previously.
  • the invention is based on providing at least two rings one above the other consisting of individual lenses so that the lenses of at least one ring are moved in the direction of a circumference drawn around the central axes in relation to the lenses of the at least one other ring when seen from the direction of the central axes.
  • the lenses are fastened to a body tube the amount of sides of which in the cross-section corresponds with the amount of lenses of two superimposed lens rings.
  • the number of superimposed rings is two.
  • the lenses are positioned so that when seen from the direction of the central axis the lenses of superimposed rings are alternating evenly.
  • the number of superimposed rings is two with both having four lenses.
  • the lens rings are concentric and of similar dimension.
  • the light source is formed by attaching at least one LED to a printed circuit board and by attaching a lens to this printed circuit board.
  • the invention allows producing an even circular ring or beam of light with a small outer diameter of the lighting apparatus.
  • the diameter needed by the flight obstruction light can be reduced by 30 to 50 %, even to a half, which has a dramatic effect on weight, costs and installability.
  • the price of the lighting apparatus is, naturally, a competitive advantage, but as these apparatuses are typically installed in high places with difficult access, the weight and size of the light has a great effect on the installation work. It will always be advantageous if heavy lifting and fastening means are not required and it is also easier in other ways to handle less heavy apparatuses.
  • FIGS 1 to 4 illustrate one embodiment of the invention in different positions.
  • FIGS 5 to 8 illustrate the embodiment of figures 1 to 4 with the lenses removed.
  • the optical center axis means the axis of the beam of light on both sides of which the beam of light is as symmetrical as possible.
  • the structure according to the invention it is advantageous to try to achieve symmetricity and similarity between the lenses. Thereby the structure and costs can be be kept advantageous. There are no reasons as such for not using asymmetrical structures as long as the superimposed lenses are arranged staggered in relation to each other so that the area between the lenses of the first ring is lit with the lenses of the second ring. It is also possible to consider having three, four or more lenses staggered with each other according to the necessary lenses. Thereby the staggering can be made incrementally with small steps or in pairs as in the shown example.
  • the most even light distribution so far has been produced by two superimposed rings having four lenses in each ring.
  • Other advantageous alternatives are 2+2, 3+3 and 5+5 lenses, but as such nothing prevents using other alternatives as well and even a totally different amount of lenses above each other in the different rings. Thereby, however, it might be necessary to use a fairly large number of lenses to provide an even lighting.
  • the lens rings 3, 4 can also have different diameters.
  • the invention utilizes the previous hollow body structure of the applicant.
  • the sides of the body comprise flat surfaces 2 forming fastening surfaces 5, 6, 9 for the printed circuit boards 6.
  • An octagonal body 1 is needed for a flight obstruction light having 4+4 lenses.
  • an earlier body structure of the applicant is used, wherein there is a longitudinal cooling channel 7 in the middle of the body 1.
  • the inner surface of the cooling channel can be provided with fins 8 for improving heat transfer.
  • the lenses and the LEds or other similar semiconductor light sources form a light sector having a certain lighting angle opening in the horizontal direction.
  • the lighting angle is about 120° in the horizontal direction.
  • the shape and dimensioning of the lens determines its beam in the vertical direction and it usually opens 3°.
  • the lenses are assembled so as to be supported by the printed circuit board 5.
  • the printed circuit board 5 is T-shaped, wherein the crossbeam forms a fastening surface for the LED components 9 as well as for the lens 6.
  • the LED is located in the center of the T-beam and the lens surrounds it symmetrically.
  • the width of the T-beam of the printed circuit board is determined by the width of the lens and it also determines the horizontal extension of the printed circuit board.
  • the vertical portion 11 of the T-piece is mainly for attachment to the body 12 of the printed circuit board.
  • the vertical portions 11 of the upper printed circuit boards extend downwards along the body between the T-beams.
  • the outer ends of the T-beam extend over the length of each side surface 2 on the sides of the body 1. This allows forming a very compact structure in which each lens ring 3, 4 forms a square.
  • the second lens ring is positioned below the first one so that its printed circuit boards and light sectors are fastened to the surfaces 2 between the surfaces 2 of the body 1 to which the printed circuit boards of the first lens ring are fastened.
  • the structure works in a corresponding way with other cross-sections and number of lenses as well.
  • This solution uses only one LED but more LEDs can as well be used.
  • the LEDs can be located horizontally side by side on the printed circuit board, whereby even a small-sized lens can provide a large lighting power by using up to five LED light sources.
  • the desired lighting power can be changed by using a different number of LEDs or different types of LEds in different sectors.
  • the lens structure can be varied from the above description within the invention.
  • a transparent protective cover is provided around the lenses and other structures to protect them.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (2)

  1. Flughindernisfeuer, umfassend
    - einen Körper (1) mit Befestigungsflächen bildenden Seiten (2)
    - mindestens zwei am Körper befestigte und übereinander in vertikaler Richtung angeordnete Lichtsektoren, wobei die Sektoren so angeordnet sind, dass die Gesamtzahl der Sektoren mindestens vier beträgt und die Linse von jedem Lichtsektor breiter ist als die Seite (2) des Körpers (1), umfassend:
    - mindestens eine LED (9) und mindestens eine Linse (6) zum Richten des Lichts,
    dadurch gekennzeichnet, dass die Linsen (6) und die LEDs (9) an einer Leiterplatte (5) befestigt sind, deren Ausdehnung in der horizontalen Richtung der Linse (6) der Breite der Linse (6) entspricht und größer ist als die Befestigungsseite des Körpers (1).
  2. Flughindernisfeuer nach Anspruch 1, dadurch gekennzeichnet, dass mindestens eine LED unter einer Linse angeordnet ist, und dass eine unterschiedliche Anzahl LEDs unter einer Linse in verschiedenen Schichten oder in verschiedenen Lichtsektoren vorgesehen werden kann.
EP12173619.3A 2011-06-30 2012-06-26 Flughindernisleuchte Active EP2541134B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20115695A FI124979B (fi) 2011-06-30 2011-06-30 Lentoestevalaisin

Publications (3)

Publication Number Publication Date
EP2541134A2 EP2541134A2 (de) 2013-01-02
EP2541134A3 EP2541134A3 (de) 2013-09-11
EP2541134B1 true EP2541134B1 (de) 2015-08-12

Family

ID=44206901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12173619.3A Active EP2541134B1 (de) 2011-06-30 2012-06-26 Flughindernisleuchte

Country Status (4)

Country Link
EP (1) EP2541134B1 (de)
DK (1) DK2541134T3 (de)
ES (1) ES2551780T3 (de)
FI (1) FI124979B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3204894A1 (en) * 2014-06-05 2015-12-10 Nvent Services Gmbh High visibility termination system and method
USD843625S1 (en) 2014-06-05 2019-03-19 Nvent Services Gmbh Lighted cable termination assembly
US9816680B2 (en) * 2014-06-05 2017-11-14 Pentair Thermal Management Llc Lighted cable termination device having expanded viewing area
DK3181997T3 (en) 2015-12-18 2020-05-25 Obelux Oy Illuminator
FI130269B (fi) 2018-10-15 2023-05-24 Obelux Oy Linssi, valaisin ja ympärisäteilevä valaisujärjestelmä
IT202100004151A1 (it) 2021-02-23 2022-08-23 Calzavara S P A Sistema di segnalazione visiva.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806217A1 (de) 1988-02-26 1989-09-07 Schunk Metall & Kunststoff Rundumleuchte
FI960597A0 (fi) 1996-02-09 1996-02-09 Aktiiviaudio Oy Foerfarande foer att koppla i grupp laogeffektiva riktade ljuskaellor foer att aostadkomma ett oenskat belysningsmoenster
GB2350176B (en) 1999-05-18 2002-10-09 John Clayton Ruddick Light beacon
US8662702B2 (en) * 2009-09-08 2014-03-04 Star Headlight & Lantern Co., Inc. LED beacon
DE10317999A1 (de) * 2003-04-23 2004-11-11 Isolde Scharf LED-Rundumkennleuchte
DE102005061815A1 (de) * 2005-12-23 2007-06-28 Honeywell Airport Systems Gmbh Gefahrenfeuer
US7461952B2 (en) * 2006-08-22 2008-12-09 Automatic Power, Inc. LED lantern assembly
DE202007005003U1 (de) * 2007-04-03 2007-07-19 Aqua Signal Aktiengesellschaft Leuchte, insbesondere Gefahrenfeuer für Windkraftanlagen
US7712931B1 (en) * 2007-07-18 2010-05-11 Whelen Engineering Company, Inc. Sweep collimator
US20100091507A1 (en) * 2008-10-03 2010-04-15 Opto Technology, Inc. Directed LED Light With Reflector
DE202009006868U1 (de) * 2009-05-12 2009-08-27 Hänsch Warnsysteme GmbH Rundumleuchte, vorzugsweise Rundumkennleuchte

Also Published As

Publication number Publication date
FI124979B (fi) 2015-04-15
FI20115695A (fi) 2012-12-31
FI20115695A0 (fi) 2011-06-30
EP2541134A2 (de) 2013-01-02
DK2541134T3 (en) 2015-11-02
ES2551780T3 (es) 2015-11-23
EP2541134A3 (de) 2013-09-11

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