EP2953833A2 - Feu de signalisation - Google Patents

Feu de signalisation

Info

Publication number
EP2953833A2
EP2953833A2 EP14711464.9A EP14711464A EP2953833A2 EP 2953833 A2 EP2953833 A2 EP 2953833A2 EP 14711464 A EP14711464 A EP 14711464A EP 2953833 A2 EP2953833 A2 EP 2953833A2
Authority
EP
European Patent Office
Prior art keywords
light
optical system
phantom
signal
fresnel lens
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
EP14711464.9A
Other languages
German (de)
English (en)
Other versions
EP2953833B1 (fr
Inventor
Rudolf Temming
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
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP2953833A2 publication Critical patent/EP2953833A2/fr
Application granted granted Critical
Publication of EP2953833B1 publication Critical patent/EP2953833B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21V5/04—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/125—Fixed signals, beacons, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1845—Optical systems, 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1854—Mounting and focussing of the light source in a lamp, fixing means

Definitions

  • the invention relates to light signal, a light signal, in particular for rail-bound traffic routes, with a light source and egg ⁇ nem optical system for signal term visualization, particularly in a remote area, and a close range with respect to this bent.
  • light signals are used as a signal generator or symbol ⁇ scoreboard, by color and / or forming a light-emitting surface, that is, by the radiation, convey certain information. These are often safety-relevant information that must not be falsified visually or blended by extraneous light.
  • the undesired lighting up or falsification of a light spot by the incidence of ambient light, for example solar radiation or headlight, is called a phantom effect.
  • the phantom effect it can in extreme cases ⁇ look incorrect as a result of ill-timed lighting of a light spot or a color shift coming. Particularly disturbing occurs this effect in the Verwen ⁇ tion of LED arrays as a light source, since LEDs can be excited by incident light to shine or in LED light sources often rear reflectors are used.
  • Light exit surfaces of a cover glass and the optical system such as a Fresnel lens, and on compo ⁇ len in the region of the light source.
  • a cover glass and the optical system such as a Fresnel lens
  • compo ⁇ len in the region of the light source.
  • Figure 1 shows the reflection ratios to be improved which are caused by internal fittings 1 and a lens 2 of a Lichtsig ⁇ Nals. It is evident that obliquely incident on the lens 2 at the top 3 sunlight reflected on the externa ⁇ ßerer and inner surface 4 and 5 are partially obliquely downward 6 and 7.
  • the lens 2 soudrin ⁇ ing sunlight 3 can at the internals 1 within a Signal housing 8 are reflected at an unfavorable angle as a disturbing phantom light obliquely down 9.
  • the re ⁇ flexed ghost light 6, 7 and 9 superposed on the to be visualized by a light source 10 of information.
  • the all construction parts enclosing housing 8 also serves to at least ei ⁇ NEN part of the sunlight 3, both inside and au ⁇ infomon shield. Usually, a further portion of the sunlight 3 is shielded by a barge, not shown here, covering the lens 2 in the upper area.
  • barges have the disadvantage that a high wind load arises, which must be compensated by a correspondingly stable signal mast construction. Through snow on the barge further signals can be covered. Besides the ⁇ is by barge, which significantly surpasses the light-emitting surface of the signal often prevents the application itself ⁇ cleaning light-emitting surface coatings that solar radiation and require irrigation.
  • the invention has for its object to provide a light signal of the generic type, in which a deterioration of safety and significant loss of light due to the Phantom effect are largely avoidable, it being desirable that barges and / or end glasses are unnecessary.
  • the object is achieved in that the optical system comprises a Fresnel lens, the Lichtein ⁇ tread surface Fresnel structures and the Lichtaus ⁇ is stepped surface formed such that each tangent of the light exit surface with respect to an optical axis of the op ⁇ tables system an angle of> 105 °.
  • the Fresnel structures are provided on the light entry surface and thus on the inner surface and not, as usual, on the outer surface of the Fresnel lens, the light exit surface ⁇ can be smooth and virtually formed without corrugations. This smooth and thus less sensitive surface causes a cover glass is no longer neces sary ⁇ .
  • the inventive design of the Fresnel lens is sufficiently phantom to dispense with a barge as additional phantom protection can. This results in cost advantages.
  • a funnel-shaped aperture is integrally ⁇ arranged between the light source and the optical system. This additional measure improves the phantom contactor if internal installations can lead to light phantoms next to or near the light source.
  • the narrow opening of the funnel-shaped aperture is adapted to the light exit surface of the light source, while the wide opening of the funnel-shaped aperture corresponds to the aperture of the optical system.
  • FIG. 1 shows a simplified illustration of interfering phantom light reflections
  • FIG. 2 phantom light reduction in the interior of the signal
  • FIG. 3 phantom light reduction by shaping according to the invention of a Fresnel lens
  • Figure 4 shows the Fresnel lens according to Figure 3 in side view
  • FIG. Figure 2 illustrates one way to reduce by the A ⁇ built 1 caused ghost light.
  • a funnel-shaped aperture 11 is provided.
  • the funnel-ge diaphragm 11 encloses with its narrow opening, the light source 10 and ⁇ widens up to the edge region of the hold ⁇ ren surface 5 of the lens 2.
  • the fittings 1 can not cause any ghost light 9 more.
  • the sunlight 3 impinges on the inner surface of the funnel-shaped aperture 11, where it is absorbed in part and multiple reflectors ⁇ advantage, so can result 12 extremely low light intensity only outwardly reflected light which only partially interfere as ghost light, while the largest Share is radiated in non-relevant solid angle.
  • Figure 3 shows another way to effectively reduce the phantom effect. Shown is the cross-section of a thin disk of a Fresnel lens 13 in the region of an optical axis 14.
  • the Fresnel lens 13 is formed with the Fresnel structures 15 at the light entrance surface and a light exit surface glat ⁇ th 16th In this case, an angle between the Tan ⁇ gente 17 at this point and the optical axis 14 of 90 ° + is provided for all Punk ⁇ te the light exit surface 16, wherein ⁇ 15 °.
  • Figure 4 shows a side view and Figure 5 is a Perspecti ⁇ vische view of the Fresnel lens 13. Due to the very out. The ⁇ chen ghost light reductions this special shape of the Fresnel lens 13 to turn in particular at the same time encryption is the funnel-shaped diaphragm 11, it is possible to dispense with the usual Schuten-roofing of the Fresnel lens 13. Also, a cover glass is not required because of the smooth outer surface 16 of the Fresnel lens 13. The outer surface surface 16 may be formed virtually self-cleaning by special coating, as for the cleaning effect, it ⁇ ford variable rain exposure of the outer surface is prevented not by a barge.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un feu de signalisation destiné en particulier à une voie de circulation ferroviaire, comportant une source lumineuse (10) et un système optique de visualisation de la notion indiquée par le signal, en particulier dans une zone éloignée et dans une zone proche formant un angle par rapport à la zone éloignée. L'invention vise à atteindre une réduction du feu fantôme suffisante pour qu'il soit possible de se passer d'une protection. A cet effet, le système optique comprend une lentille de Fresnel (13) dont la surface d'entrée de la lumière présente des structures de Fresnel (15) et dont la surface de sortie (16) de la lumière est configurée de telle manière que chaque tangente (17) de la surface de sortie (16) de la lumière présente un angle supérieur ou égal à 105° par rapport à un axe optique (14) du système optique.
EP14711464.9A 2013-03-27 2014-03-11 Feu de signalisation Not-in-force EP2953833B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013205439.4A DE102013205439A1 (de) 2013-03-27 2013-03-27 Lichtsignal
PCT/EP2014/054659 WO2014154476A2 (fr) 2013-03-27 2014-03-11 Feu de signalisation

Publications (2)

Publication Number Publication Date
EP2953833A2 true EP2953833A2 (fr) 2015-12-16
EP2953833B1 EP2953833B1 (fr) 2017-04-26

Family

ID=50342285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14711464.9A Not-in-force EP2953833B1 (fr) 2013-03-27 2014-03-11 Feu de signalisation

Country Status (7)

Country Link
US (1) US20160059873A1 (fr)
EP (1) EP2953833B1 (fr)
CN (1) CN105050880B (fr)
AU (1) AU2014243336B2 (fr)
DE (1) DE102013205439A1 (fr)
RU (1) RU2619678C2 (fr)
WO (1) WO2014154476A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9719662B1 (en) * 2014-10-08 2017-08-01 Universal Lighting Technologies, Inc. Thin-form lens for volume lighting applications
DE102016117685A1 (de) * 2016-09-20 2018-03-22 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
EP3336418A1 (fr) * 2016-12-13 2018-06-20 Lite-on Electronics(Guangzhou) Limited Dispositif électroluminescent
US10120109B2 (en) 2016-12-13 2018-11-06 Lite-On Electronics (Guangzhou) Limited Light emitting device capable of reducing reflected light and changing a focused position of incident light
DE102018209468A1 (de) 2018-06-13 2019-12-19 Siemens Aktiengesellschaft Lichtsignal, Gehäuse und optische Linse

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1600239A (en) * 1924-10-06 1926-09-21 Chicago Railway Signal & Suppl Optical system
US1627895A (en) * 1925-01-15 1927-05-10 Alexander H Handlan Signal lantern and lens therefor
GB252217A (en) * 1925-01-20 1926-05-20 William John Thorrowgood Improvements in luminous indicators, particularly for use in connection with railwaytraffic
US1955597A (en) * 1929-12-17 1934-04-17 Us Holding Corp Headlight
GB502980A (en) * 1937-10-13 1939-03-29 James Boot Improvements in colour-light signals
US2458401A (en) * 1945-11-02 1949-01-04 Gen Railway Signal Co Light signal for railroads
US3129335A (en) * 1961-06-30 1964-04-14 Stewart John Kenneth Photosensitive railroad surveying system
NL7201040A (fr) * 1972-01-26 1973-07-30
US4081826A (en) 1975-05-15 1978-03-28 Sony Corporation Video time base corrector
US4991073A (en) * 1989-03-08 1991-02-05 Gte Products Corporation Lighting lens
CN2289945Y (zh) * 1997-01-06 1998-09-02 王�琦 增强型粗环菲涅尔透镜色灯信号机
AT500056B8 (de) * 1998-01-19 2007-02-15 Swarco Futurit Verkehrssignals Optikelement für verkehrszeichen, anzeigetafeln oder dgl.
DE10107256A1 (de) 2001-02-16 2002-09-19 Lumino Gmbh Licht Elektronik Anzeigenvorrichtung
DE10354176A1 (de) * 2003-11-19 2005-08-04 Dialight Garufo Gmbh Signalleuchte
JP4887989B2 (ja) * 2005-12-02 2012-02-29 ナノフォトン株式会社 光学顕微鏡及びスペクトル測定方法
CN201103852Y (zh) * 2007-09-12 2008-08-20 张红现 铁路信号灯头
TWM364824U (en) * 2008-09-19 2009-09-11 Genius Electronic Optical Co Ltd Optical lens body of bilateral asymmetry polarization illumination
DE102010024381A1 (de) 2010-06-16 2011-12-22 Siemens Aktiengesellschaft Lichtsignal
DE102011076123A1 (de) * 2011-05-19 2012-11-22 Siemens Ag Lichtsignaleinrichtung sowie Verfahren zum Ermitteln des Verschmutzungsgrades einer Abschlussscheibe eines Signalgebers

Also Published As

Publication number Publication date
DE102013205439A1 (de) 2014-10-02
US20160059873A1 (en) 2016-03-03
AU2014243336A1 (en) 2015-10-01
CN105050880B (zh) 2017-05-03
RU2619678C2 (ru) 2017-05-17
WO2014154476A3 (fr) 2015-04-16
EP2953833B1 (fr) 2017-04-26
RU2015146027A (ru) 2017-05-04
AU2014243336B2 (en) 2016-09-15
HK1216412A1 (zh) 2016-11-11
CN105050880A (zh) 2015-11-11
WO2014154476A2 (fr) 2014-10-02

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