EP0227516B1 - Fahrzeugleuchte mit Doppelwirkung - Google Patents

Fahrzeugleuchte mit Doppelwirkung Download PDF

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Publication number
EP0227516B1
EP0227516B1 EP86402520A EP86402520A EP0227516B1 EP 0227516 B1 EP0227516 B1 EP 0227516B1 EP 86402520 A EP86402520 A EP 86402520A EP 86402520 A EP86402520 A EP 86402520A EP 0227516 B1 EP0227516 B1 EP 0227516B1
Authority
EP
European Patent Office
Prior art keywords
reflector
light
vehicle
filament
lateral
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.)
Expired
Application number
EP86402520A
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English (en)
French (fr)
Other versions
EP0227516A1 (de
EP0227516B2 (de
Inventor
Gilbert Dilouya
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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
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Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0227516A1 publication Critical patent/EP0227516A1/de
Publication of EP0227516B1 publication Critical patent/EP0227516B1/de
Application granted granted Critical
Publication of EP0227516B2 publication Critical patent/EP0227516B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors

Definitions

  • the present invention relates generally to the signaling lights of vehicles, in particular of motor vehicles, and in particular a light in which part of the light flux generated by the light source is emitted by the light in the direction of the lateral region of the vehicle, so that it takes the place simultaneously, with the same light source, of axial signaling light (position light) and lateral marker.
  • a lateral marking function which is compulsory in certain countries, is to indicate the presence of the vehicle when, at night, it is observed from the side.
  • the French patent application FR-A 2 378 234 published in the name of the Applicant proposes a signaling light in which a single monofilament lamp is associated with a first reflector, intended to create an axial light beam for a light function position, and to a second reflector arranged on the interior side of the lamp and intended to return towards the opposite side, that is to say towards the lateral region of the vehicle, a part of the light rays emitted by the lamp, in the purpose of performing a side marker function.
  • a catadioptric element which is provided in the lateral region of this light and which would normally obstruct this lateral beam, is modified to let it pass, by diffusing it.
  • a signaling light for a vehicle which comprises a single light source, a first reflector of very small size intended to create an axial beam (position light function), and a second reflector provided laterally on the interior wall of the light, in order to return part of the light rays to the side of the vehicle, for the purpose of lateral marking.
  • position light function a first reflector of very small size intended to create an axial beam
  • second reflector provided laterally on the interior wall of the light, in order to return part of the light rays to the side of the vehicle, for the purpose of lateral marking.
  • the lateral catadioptric element constitutes an obstacle to the lateral beam by deferring the latter well behind the lamp.
  • This type of light has a first drawback that the axial beam of the position light function is of limited intensity, due to the extremely small dimensions of the associated reflector.
  • the arrangement of the constituent elements is such that the light necessarily occupies a great depth, and that it can in no case be adapted to light blocks of shallow depth (flat profile) as currently desired on the market.
  • this type of light it is necessary to provide two separate reflective elements, which results in a complicated and expensive structure.
  • the present invention aims to overcome these drawbacks of the prior art and to propose a signaling light for a vehicle which, while being of limited depth, can ensure with great efficiency both the function of axial position light and the function to mark lateral.
  • the invention relates to an axial and lateral vehicle signaling light comprising a luminous filament, a reflector, and a closing glass (or closing globe) comprising a front part and a side part separated by a corner region.
  • the reflector comprises a first reflecting part, intended to return the light rays emitted by the filament substantially in the axial direction of the vehicle, and a second reflecting part intended to return the light rays emitted by the filament towards the corner region of the closing glass, in a substantially transverse direction, said corner region comprising on its inner surface refracting elements so as to distribute the light flux reflected by the second part of the reflector over the lateral region of the vehicle.
  • the light further comprises refracting elements (18) provided on the front part (16a) of the closing glass to ensure diffusion of the light rays extending in the axial direction of the vehicle.
  • FIG. 1 there is partially shown a block of left rear signal lights of a motor vehicle.
  • This block conventionally comprises a horizontal succession of signaling lights such as position lights, flashing lights, brake lights, reversing lights, etc.
  • the position light is located at the far left of the block.
  • the invention applies very particularly to lights or blocks of lights called “back flap", that is to say that the closing glass is curved so as to substantially match the shape of the associated corner of the vehicle.
  • the position light is arranged to carry out signaling in the axis of the vehicle (position light function) and lateral signaling of the vehicle. More precisely, the light shown comprises a lamp 10 comprising a single filament 12, a reflector 14 intended to return, according to specific paths explained below, the light emitted by the filament 12, and a closing glass (or globe) 16, for example colored.
  • the closing glass 16 comprises a first part 16a extending at the rear of the vehicle, and a second part 16b extending on the side of the vehicle, a curved part 16c forming a corner connecting the two parts 16a and 16b.
  • the block of lights comprises a lateral retro-reflecting element schematically indicated at 19. It can be noted here that, due to the generally flat design of the envisaged block of lights, the retro-reflecting element 19 extends substantially at the height of the lamp 10 fire, and it is impossible to carry it further forward of the vehicle (upwards in Figure 1).
  • the reflector 14 is constituted by a first part 14a of parabolic shape, the axis of which is substantially aligned with the axis of the vehicle, and the focal point of which is located approximately at the location of the filament 12.
  • This reflecting part 14a is arranged to create a beam of parallel rays, as indicated in 20 and 22, extending towards the rear of the vehicle and intended to fulfill the position light function.
  • refracting elements 18 in the present example substantially hemispherical balls, intended to give the rays of the axial beam of position light a slight deviation. We can of course use any other type of surface irregularity to obtain this result.
  • the reflector 14 further comprises a second part 14b, in this case unitary and without discontinuity with the first part 14a, which is approximately focused on the filament 12.
  • the reflecting part 14b corresponds to the region of the inner lateral cheek of the reflector 14 , and is intended to return the rays which are emitted laterally by the filament 12 towards the corner of the fire corner, that is to say substantially towards the free space between the free end edge 14c of the part 14a of the reflector and the region of the corner 16c of the closing glass 16.
  • FIG. 1 There is shown in Figure 1 two reflected rays 24 and 26 slightly convergent. It is understood that the reflecting zone 14b will be adapted as a function of each case, so that most of the reflected beam which it creates meets the zone of the corner 16c of the closing glass. Thus, part 14b can be given a parabolic, elliptical, etc. shape, focused approximately on the filament 12.
  • the reflecting part 14b thus creates a lateral beam whose light energy concentration is relatively high, and the rays arriving in the region 16c are deflected as indicated by the refracting elements 18 so as to obtain, in the lateral region of the vehicle, a characteristic photometric according to the function of lateral marker.
  • the refracting elements 18 will be arranged so that the minimum angle of visibility towards the opposite end of the vehicle, in this case towards the front, is respected.
  • such an angle can have a value of the order of 45 °, a value generally imposed by regulations.
  • a dual function light namely an axial position light and a side marker
  • a region of the reflector (part 14b) which is not particularly critical for the quality of the position light beam, for creating a relatively concentrated auxiliary beam towards a small free space left between the free edge 14c of said reflector and the closing glass.
  • Another advantage lies in the fact that the surface irregularities which are normally provided for the diffusion of the axial beam of the position light are directly used, without additional arrangement, to obtain a deflection of this auxiliary beam, for example so as to satisfy the photometry standards imposed for side markers.
  • the outer cheek of the reflecting part 14a and the retro-reflecting element 19 are in no way troublesome for the creation of the beam of the lateral marker function.
  • the parabola 14a can retain a relatively closed shape, to the benefit of the intensity of the axial beam of the position light, and it is not necessary to modify or move the retro-reflecting element 19.
  • these two organs of the fire are bypassed by the side beam.
  • the light function of lateral marker was ensured by forming in the parabola 14 and in the catadioptric element 19 windows for direct illumination by the filament 12 on the vehicle side, with the aforementioned drawbacks.
  • FIG. 2 is shown an alternative embodiment of the invention.
  • the elements identical to those of Figure 1 are designated by the same reference numbers.
  • the major difference between this embodiment and that of FIG. 1 resides in the shape of the lateral part of the reflector 14.
  • this part indicated at 14b ′, as little lateral dimensions as possible, it is now made up by a set of parts of homofocal parables stepped and concentric, having approximately for focus the filament 12 of the lamp. The result obtained remains essentially unchanged.
  • any development annex both at the reflector 14 and at the refracting elements of the closing glass, to obtain an appropriate lighting continuity between the position light beam and the side marker beam.
  • the invention applies generally to any type of vehicle signaling light, at the rear or at the front thereof, in which a corner region of the closing window is capable of diffusing towards the associated side of the vehicle an auxiliary light beam, obtained from the filament of the lamp concerned, the orientation of which is approximately transverse to the general axis of said lamp.
  • the invention can be implemented in position lights as in flashing lights.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (5)

1. Axiale und seitliche Signalleuchte für ein Fahrzeug, bestehend aus einem Leuchtfaden (12), einem Reflektor (14) und einer Verschlußscheibe (16) mit einem vorderen Teil (16a) und einem seitlichen Teil (16b), die durch einen Eckbereich (16c) voneinander getrennt sind, dadurch gekennzeichnet, daß der Reflektor einen ersten reflektierenden Teil (14a) enthält, der dazu bestimmt ist, die vom Leuchtfaden ausgehenden Lichtstrahlen im wesentlichen in axialer Richtung des Fahrzeugs zurückzuwerfen, und einen zweiten reflektierenden Teil (14b), der dazu bestimmt ist, die vom Leuchtfaden zum Eckbereich (16c) des Verschlußglases hin ausgestrahlten Lichtstrahlen in einer Richtung zurückzuwerfen, die im wesentlichen quer dazu verläuft, wobei der genannte Eckbereich auf der Innenfläche Brechungselemente (18) enthält, so daß der vom zweiten Teil (14b) des Reflektors reflektierte Lichtstrom auf den seitlichen Bereich des Fahrzeuges verteilt wird.
2. Leuchte gemäß Anspruch 1, dadurch gekennzeichnet, daß sie weiterhin Brechungselemente (18) enthält, die am vorderen Teil (16a) der Verschlußscheibe vorgesehen sind, um eine Streuung der Lichtstrahlen in axialer Richtung des Fahrzeuges zu gewährleisten.
3. Leuchte gemäß einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die beiden Teile (14a, 14b) des Reflektors (14) aus einem Stück bestehen und keine Unterbrechungen aufweisen.
4. Leuchte gemäß einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß der zweite Teil (14b') des Reflektors aus einer Einheit von stufenförmig angeordneten Homofokalparabolelementen besteht.
5. Leuchte gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sie weiterhin wenigstens ein Catadioptrikelement (19) enthält, welches sich im wesentlichen entlang des seitlichen Teils (16b) der Verschlußscheibe (16) erstreckt.
EP86402520A 1985-11-15 1986-11-13 Fahrzeugleuchte mit Doppelwirkung Expired - Lifetime EP0227516B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8516927 1985-11-15
FR8516927A FR2590351B1 (fr) 1985-11-15 1985-11-15 Feu de signalisation a double fonction pour vehicule

Publications (3)

Publication Number Publication Date
EP0227516A1 EP0227516A1 (de) 1987-07-01
EP0227516B1 true EP0227516B1 (de) 1989-08-02
EP0227516B2 EP0227516B2 (de) 1993-04-14

Family

ID=9324862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402520A Expired - Lifetime EP0227516B2 (de) 1985-11-15 1986-11-13 Fahrzeugleuchte mit Doppelwirkung

Country Status (6)

Country Link
US (1) US4740871A (de)
EP (1) EP0227516B2 (de)
JP (1) JPS62165802A (de)
DE (1) DE3664808D1 (de)
ES (1) ES2010190T5 (de)
FR (1) FR2590351B1 (de)

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DE4234645A1 (de) * 1992-10-14 1994-04-21 Man Nutzfahrzeuge Ag Blinkleuchte
US5351171A (en) * 1992-12-21 1994-09-27 Bushey Ronald P Wide-angle-viewing safety light for towing vehicles
US5365412A (en) * 1993-01-07 1994-11-15 Ford Motor Company Low profile illuminator
US5369554A (en) * 1993-01-07 1994-11-29 Ford Motor Company Illuminator utilizing multiple light guides
US5471371A (en) * 1993-01-08 1995-11-28 Ford Motor Company High efficiency illuminator
US5434754A (en) * 1993-12-27 1995-07-18 Ford Motor Company Light manifold
US5927848A (en) * 1995-09-14 1999-07-27 Koito Manufacturing Co., Ltd. Vehicular lamp and lamp body therefor
GB9626638D0 (en) * 1996-12-21 1997-02-12 Britax Vega Ltd Vehicle lamp
DE19704675C2 (de) * 1997-02-07 2002-03-07 Man Nutzfahrzeuge Ag Mehrkammerschlußleuchte
JP3919880B2 (ja) * 1997-05-22 2007-05-30 株式会社小糸製作所 車輌用灯具
DE19744715C1 (de) * 1997-10-10 1999-04-22 Daimler Chrysler Ag Beleuchtungsvorrichtung für das Heck eines Fahrzeuges
US5954427A (en) * 1997-11-05 1999-09-21 Ford Motor Company Automotive tail lamp with large rake angle
DE19843986B4 (de) * 1998-09-25 2012-02-23 Automotive Lighting Reutlingen Gmbh Scheinwerfer für Fahrzeuge
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FR2803566B1 (fr) * 2000-01-07 2002-05-24 Valeo Vision Feu de signalisation apte a engendrer un flux incline, pour vehicule automobile
US6364513B1 (en) * 2000-08-28 2002-04-02 Textron Automotive Company Inc. Lighting device for motor vehicles
JP4162935B2 (ja) * 2002-07-04 2008-10-08 株式会社小糸製作所 車両用灯具
DE10318950A1 (de) * 2003-04-26 2004-12-23 Hella Kgaa Hueck & Co. Fahrzeugleuchte
KR200331791Y1 (ko) * 2003-07-23 2003-11-01 삼립산업 주식회사 반사면이 형성된 실드를 이용하는 이중 방향 조명 구조의차량용 램프
FR2893701B1 (fr) * 2005-11-24 2010-03-26 Valeo Vision Dispositif d'eclairage et/ou de signalisation pour automobile
JP5282945B2 (ja) * 2008-09-12 2013-09-04 スタンレー電気株式会社 車両用灯具
DE102009005635B4 (de) * 2009-01-21 2020-01-30 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
FR2944747B1 (fr) * 2009-04-24 2015-10-09 Valeo Vision Dispositif optique, notamment d'eclairage et/ou de signalisation de vehicule automobile
DE102009021983A1 (de) * 2009-05-19 2010-11-25 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
DE202010007327U1 (de) * 2010-05-28 2011-10-20 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
DE102010054923B4 (de) 2010-12-17 2015-03-12 Volkswagen Ag Leuchteinrichtung für ein Fahrzeug für zwei Lichtfunktionen
US8992060B2 (en) * 2013-05-08 2015-03-31 Ford Global Technologies, Llc Uniform illumination of lamps
FR3022866B1 (fr) * 2014-06-30 2018-01-26 Valeo Vision Dispositif lumineux pour vehicule automobile a glace diffusante perfectionnee
FR3031792B1 (fr) * 2015-01-15 2018-08-10 Valeo Iluminacion Procede de commande d'un feu arriere de vehicule
DE112019007083T5 (de) * 2019-03-27 2021-12-30 Hella Autotechnik Nova, S.R.O. Beleuchtungsvorrichtung für Fahrzeuge
GB2585688A (en) * 2019-07-11 2021-01-20 Dyson Technology Ltd Vehicle lamps
GB2585687B (en) * 2019-07-11 2021-08-18 Dyson Technology Ltd Vehicle lamps
KR102651885B1 (ko) * 2019-08-13 2024-03-27 현대모비스 주식회사 차량용 백업램프 조립체

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Also Published As

Publication number Publication date
FR2590351A1 (fr) 1987-05-22
ES2010190B3 (es) 1989-11-01
FR2590351B1 (fr) 1988-02-05
DE3664808D1 (en) 1989-09-07
ES2010190T5 (es) 1995-08-01
EP0227516A1 (de) 1987-07-01
JPS62165802A (ja) 1987-07-22
US4740871A (en) 1988-04-26
EP0227516B2 (de) 1993-04-14

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