EP1605202A2 - Multifunktionales Scheinwerfergerät - Google Patents

Multifunktionales Scheinwerfergerät Download PDF

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Publication number
EP1605202A2
EP1605202A2 EP05291200A EP05291200A EP1605202A2 EP 1605202 A2 EP1605202 A2 EP 1605202A2 EP 05291200 A EP05291200 A EP 05291200A EP 05291200 A EP05291200 A EP 05291200A EP 1605202 A2 EP1605202 A2 EP 1605202A2
Authority
EP
European Patent Office
Prior art keywords
projector device
cover
level
zone
axis
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
EP05291200A
Other languages
English (en)
French (fr)
Other versions
EP1605202A3 (de
EP1605202B1 (de
Inventor
Etienne Pauty
Benoit Reiss
Boris Wiegand
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
Priority claimed from FR0406273A external-priority patent/FR2871552B1/fr
Priority claimed from FR0503009A external-priority patent/FR2883626A1/fr
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP1605202A2 publication Critical patent/EP1605202A2/de
Publication of EP1605202A3 publication Critical patent/EP1605202A3/de
Application granted granted Critical
Publication of EP1605202B1 publication Critical patent/EP1605202B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/695—Screens rotating around a vertical axis

Definitions

  • the present invention relates to a projector device multifunction, including elliptical type.
  • a spot of light concentration is generated by a source light arranged in a reflector.
  • the light source is disposed at the first focus of an ellipsoid-shaped reflector, said spot forming at the second focus of the reflector.
  • Concentration spot light is then projected onto the road by a converging lens, example a lens of the plano-convex type.
  • the main purpose of the invention is to propose a solution for obtain, from an elliptical type projector device relatively simple different light beams corresponding to different lines of failure to comply with various standards and / or regulations, in particular without resorting to a multitude of caches.
  • bifunctional projectors which combine the functions of low beam and of long-range lights: for this purpose, it is possible for example to have inside the projector bifunctional removable cover, consisting for example of a metal plate, can be placed on command of a first position in which it does not obscure the light beam produced by the source projector, corresponding to the range of the projector high beam, to a second position in which it obscures a part of the light beam produced by the projector light source, the the range of the headlamp being then limited to that of the dipped headlamps.
  • the projector In the second position, the projector must generate a cut-off beam regulatory code corresponding to a beam code, the form of the given by the shape of the cache intercepting part of the beam luminous.
  • This embodiment is mainly implemented in elliptical projectors.
  • a first cut 101 has thus been represented, corresponding to a beam code in traffic on the right, a second cut 102, corresponding to a motorway beam in traffic on the right, a third cut 103, corresponding to a city beam or anti fog, a fourth cut 104, corresponding to a code beam in traffic on the left, a fifth cut 105, corresponding to a beam highway in left-hand traffic, and a sixth break 106, corresponding to a road beam.
  • a first solution described in document US-5,673,990, consists of a projector device with a movable sliding screen especially vertical to form on command a cut-off beam special.
  • a second solution described in the European patent application EP 1 197 387, consists in the use in each projector device of type code, of a plate, approximately of square shape, in rotation on itself, the axis of rotation being inclined with respect to a main axis lighting.
  • Each side of the plate provides a light beam corresponding to a particular break when the considered side is brought, by rotation of the plate, facing the light source of the device projector considered.
  • the invention therefore essentially relates to a projector device projecting a light beam along a main axis of illumination using at least one light source, the projector device comprising in particular also a reflector, a frame and a cache, such as the cache is mobile rotation about an axis of rotation (including a single axis of rotation).
  • the cache has an active edge (upper) consisting of a set of distinct portions, at least a portion of one of the portions of the set of portions involved in the production of at least two different cuts of the diffused light beam.
  • the axis of mobile cache rotation is unique.
  • the cache is preferably split so presenting two "active" edges in the active portion (s) in position passing beam in the vicinity of the optical axis.
  • Another object of the invention is a motor vehicle equipped with a such projector device.
  • the first example shown in different views and, according to figures, more or less detailed, shows a device projector 2 according to the invention; it comprises a light source 9 producing a beam luminous, a reflector 4, part of which makes it possible to ensure a concentration of light in the vicinity of the screen, for example essentially shaped an ellipsoid.
  • the horizontal longitudinal axis 6 forms a main direction lighting, or optical axis, of the projector.
  • the projector has a lamp holder 8 attached to the reflector 4 in the rear part thereof, a lens holder 10 fixed in the front part of the reflector, and a lens 12 fixed in the front part of the lens holder 10, a focal plane of the lens passing in the vicinity of a second focus of the reflector.
  • the lamp holder 8, the reflector 4, the lens holder 10, and the lens 12 follow one another along the axis 6.
  • the reflector 4 and the lens holder 10 constitute a frame of the projector device 2, which can by elsewhere to include a box containing all the elements that have just been mentioned.
  • the projector device 2 comprises a screen 14 rigidly fixed to the frame.
  • the screen 14 has a curved shape, of substantially cylindrical section to vertical generator and center of curvature located towards the front of the projector.
  • the screen 14 extends vertically on a low height and horizontally about the entire width of the reflector 4. It has one end horizontal axis extending, on either side of the axis 6, to 0.5 for cent below the axis 6, by reference to the focal point of the lens. level of the axis 6, the upper end of the screen 14 has a recess 17, visible in Figure 3, about 1 centimeter deep, and on a portion of the upper end corresponding to an angle about 30 degrees considering that the upper end describes a shape comparable to an arc of a circle.
  • the screen is fixed by two legs side 15 pinched between the edges of the reflector 4 and the lamp holder 8. It avoids any risk of dazzling a crossed driver during the movement of a mobile cover 16 around an axis of rotation 18 substantially vertical.
  • the cover 16 is brought, during its rotation, to pass before step 17, and to fill it in most positions, which will be detailed later, that can adopt the cache 16.
  • the cover 16 comprises, in the example described, a ring 22 forming a base of the cover 16, centered on the axis of rotation 18 and having a central opening 20; a first leg 24 and a second leg 26, attached to the ring 22, move away from a basic plane defined by the ring, by example at an angle between 40 and 50 degrees from this plane basic.
  • the two legs 24 and 26 meet at one end at level of the ring 22, and at a second end via a support member 28, approximately contained in a plane defined by the two legs 24 and 26. The latter therefore leave a gap 30 between them.
  • Their spacing is for example between 60 and 70 degrees; in a particular example, it is 66 degrees.
  • the support element 28 is extended by an upper part 32, curvilinear, and substantially vertical, or presenting, as shown in FIG. 1, an angle of between 5 and 10 degrees with respect to the axis 18.
  • upper part is curved so that it can rotate along the screen 14.
  • the upper part 32 is terminated, at its free end, by a upper edge 34, whose shape defines the cut, and therefore the nature of the light beam, obtained by means of the projector device considered.
  • the shape of the upper edge 34 is more particularly detailed at In this example, the upper edge 34 consists of a first portion 36, located on the left side of the upper edge 34, and a second portion 37, located on the right side of the upper edge 34.
  • the first portion 36 and the second portion 37 do not overlap not but succeed each other directly on the upper edge 34.
  • the first portion 36 presents, starting from the left end of the upper edge 34, successively a first flat area 38 located at a first level, and a second flat area 40 located at a second level higher than the first level, a first oblique zone 42 ensuring the transition between the first flat area 38 and the second flat area 40.
  • the second portion 37 present, starting from the right end of the upper edge 34, successively a first flat area 44 located at the first level, and in the extension of the second flat area 40 of the first portion 36, a second flat area 46 located at the second level, a second oblique zone 48 ensuring the transition between the first flat zone 44 and the second flat area 46.
  • Each of the portions 36 and 37 describes a curved shape of measurement angle equal to about 30 degrees considering that the top edge describes a form comparable to an arc of a circle. So, when one of portions is rotated about the axis 18, facing the step 17, it creates a cut line of its own.
  • the cover 16 is rotated by an actuator, for example a stepper motor type motor 50 visible in Figure 6, for example comprising 96 steps.
  • the engine can be arranged inside the projector device, or under the lens holder 10. It is maintained by means of a fastening system making for example intervene a nut 52. Its operation is managed by a microcontroller, in which has previously memorized particular positions of the cache 16, in particular the six positions just described. The positioning of the cache 16 in one of the previously stored positions is controllable by the driver from the dashboard of the vehicle.
  • FIG. 9a-9b corresponds to a second embodiment of cache according to the invention, in front view and in side view.
  • this cache has an active edge profile composed of two flat areas 60,60 'at a level n2 higher, arranged enter two flat areas 61,61 'arranged at an intermediate level n1, they arranged on either side of a flat zone 62 arranged at a lower level n0.
  • two successive planar zones are connected to each other by an oblique zone, as in the first example: areas 63,63 'between each zone 60,60' and 61,61 'and zones 64,64' between zones 61, 61 'and zone 62.
  • This cover is particularly advantageous in the "motor way” position, to reduce any risk of glare to the driver coming in opposite direction.
  • Figure 9b distinguishes another feature of the cache according to the second example: cache 16 locally has not an active edge 34 but two, 34 and 34 ', offset with respect to the optical axis 18 and presenting an identical profile. These are especially the areas 60,61,63, 60 ', 61', 63 'which are split, while the zones 64, 64' and 62 are not split.
  • the edge 34 'in the non-split zones has a edge to a level low enough to become optically inactive while ensuring the mechanical continuity of the edge 34 '.
  • the active edge 34 is placed after the split edge 34 'relative to the direction of light from the source associated with the reflector. The choice to split the cache reduces possible problems of iridescence at the level of cut.
  • the invention thus makes it possible to adapt a cache according to the number and the forms cuts as desired, keeping efficiency, compactness and ease of passing from one cut to another, without visual embarrassment or for driver, or for the driver of the car arriving in the opposite direction on a road.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP05291200.3A 2004-06-09 2005-06-03 Multifunktionales Scheinwerfergerät Not-in-force EP1605202B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0406273A FR2871552B1 (fr) 2004-06-09 2004-06-09 Dispositif projecteur multifonctions de type elliptique
FR0406273 2004-06-09
FR0503009 2005-03-25
FR0503009A FR2883626A1 (fr) 2005-03-25 2005-03-25 Dispositif projecteur multifonctions pour vehicule comportant un cache mobile

Publications (3)

Publication Number Publication Date
EP1605202A2 true EP1605202A2 (de) 2005-12-14
EP1605202A3 EP1605202A3 (de) 2008-11-05
EP1605202B1 EP1605202B1 (de) 2016-10-05

Family

ID=34980323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05291200.3A Not-in-force EP1605202B1 (de) 2004-06-09 2005-06-03 Multifunktionales Scheinwerfergerät

Country Status (3)

Country Link
US (1) US7284888B2 (de)
EP (1) EP1605202B1 (de)
JP (1) JP4861643B2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2384933A1 (de) * 2010-05-06 2011-11-09 Koito Manufacturing Co., Ltd. Fahrzeugscheinwerfersystem, Steuerungsvorrichtung und Fahrzeugscheinwerfer
EP2501585B1 (de) * 2009-11-21 2019-05-22 Volkswagen Aktiengesellschaft Verfahren zum steuern einer scheinwerferanordnung für ein fahrzeug und scheinwerferanordnung

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2883066B1 (fr) * 2005-03-08 2007-05-11 Valeo Vision Sa Projecteur lumineux a plusieurs fonctions pour vehicule automobile
FR2897415B1 (fr) * 2006-02-14 2008-04-11 Valeo Vision Sa Projecteur d'eclairage pour vehicules automobiles.
JP2007250327A (ja) * 2006-03-15 2007-09-27 Stanley Electric Co Ltd ドラム型可変遮光板及び該遮光板を使用したヘッドライト
US7563008B2 (en) * 2006-03-28 2009-07-21 Visteon Global Technologies, Inc. LED projector headlamps using single or multi-faceted lenses
US20080055755A1 (en) * 2006-08-31 2008-03-06 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Electromagnetic device and method
JP2008135302A (ja) * 2006-11-29 2008-06-12 Stanley Electric Co Ltd プロジェクタ型車両用灯具
JP4754518B2 (ja) * 2007-03-26 2011-08-24 株式会社小糸製作所 車両用前照灯の灯具ユニット
DE102007050207A1 (de) * 2007-10-20 2009-04-23 Hella Kgaa Hueck & Co. Projektionsscheinwerfer für Fahrzeuge
JP5117938B2 (ja) * 2008-06-23 2013-01-16 株式会社小糸製作所 車両用前照灯装置
JP5199781B2 (ja) * 2008-08-11 2013-05-15 株式会社小糸製作所 車両用前照灯装置
FR2940403B1 (fr) * 2008-12-19 2014-01-17 Valeo Vision Sas Dispositif d'eclairage pour projecteur de vehicule assurant plusieurs fonctions d'eclairage ou une fonction variable avec une seule source lumineuse
US20100246185A1 (en) * 2009-03-31 2010-09-30 Robe Lighting S.R.O. Light collection system for a luminaire
US20130094215A1 (en) * 2011-04-04 2013-04-18 Robe Lighting S.R.O. Light collection system for a luminaire
DE102012013730A1 (de) * 2012-07-11 2014-01-16 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Scheinwerfersystem für ein Kraftfahrzeug
KR102289760B1 (ko) * 2014-12-01 2021-08-13 에스엘 주식회사 차량용 램프
KR102326051B1 (ko) * 2014-12-04 2021-11-15 현대모비스 주식회사 자동차의 조명장치
KR102384547B1 (ko) * 2015-05-19 2022-04-11 에스엘 주식회사 차량용 램프
DE102015015360A1 (de) * 2015-11-27 2017-06-01 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Scheinwerfer für ein Kraftfahrzeug
JP6812120B2 (ja) * 2016-03-25 2021-01-13 株式会社小糸製作所 車両用灯具、および当該車両用灯具を備えた車両
DE102016108061A1 (de) 2016-04-29 2017-11-02 Automotive Lighting Reutlingen Gmbh Lichtmodul für einen Kraftfahrzeugscheinwerfer

Citations (4)

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Publication number Priority date Publication date Assignee Title
US5673990A (en) 1995-01-17 1997-10-07 Robert Bosch Gmbh Headlight
US6116764A (en) 1997-09-06 2000-09-12 Hella Kg Hueck & Co. Headlight for vehicle
EP1197387A1 (de) 2000-10-12 2002-04-17 Valeo Vision Kraftfahrzeugscheinwerfer mit verstellbarer Blende
EP1213532A2 (de) 2000-12-05 2002-06-12 Stanley Electric Co., Ltd. Fahrzeugscheinwerfer mit einem verstellbaren Reflektorabschnitt und einem verstellbaren Blendenabschnitt zur selektiven Beleuchtung einer bestimmten Zone vor dem Fahrzeug

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JP2670369B2 (ja) 1989-11-28 1997-10-29 本田技研工業株式会社 車両用のプロジェクタ式照明装置
US5412543A (en) * 1992-02-28 1995-05-02 Koito Manufacturing Co., Ltd. Variable light distribution type headlamp
JP2765643B2 (ja) * 1992-06-03 1998-06-18 株式会社小糸製作所 投射型自動車用ヘッドランプ
FR2754039B1 (fr) * 1996-10-02 1998-12-18 Valeo Vision Projecteur du genre elliptique pour vehicule automobile, comportant un cache de coupure perfectionne, et procede de fabrication du cache
DE19643945C2 (de) * 1996-10-31 2001-04-05 Armin Orth Ellipsoidscheinwerfer für Kraftfahrzeuge
FR2783038B1 (fr) * 1998-09-04 2000-12-01 Valeo Vision Projecteur de vehicule automobile a lampe transversale, equipe de moyens perfectionnes de montage de la lampe
FR2796449B1 (fr) * 1999-07-13 2001-08-17 Valeo Vision Projecteur pour vehicule automobile avec un cache a multipositions
EP1170255B1 (de) * 2000-07-06 2006-12-13 Haldor Topsoe A/S Rückgewinnung des Ammoniaksynthesekatalysators
JP2002289013A (ja) * 2000-12-05 2002-10-04 Stanley Electric Co Ltd 車両用灯具
JP2003092012A (ja) * 2001-09-14 2003-03-28 Ichikoh Ind Ltd ヘッドランプ
FR2831497B1 (fr) * 2001-10-30 2004-07-09 Valeo Vision Dispositif d'eclairage de type elliptique pour vehicule automobile
FR2866413B1 (fr) * 2004-02-13 2006-06-30 Valeo Vision Projecteur elliptique equipe d'un ecran d'occultation en matiere transparente.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5673990A (en) 1995-01-17 1997-10-07 Robert Bosch Gmbh Headlight
US6116764A (en) 1997-09-06 2000-09-12 Hella Kg Hueck & Co. Headlight for vehicle
EP1197387A1 (de) 2000-10-12 2002-04-17 Valeo Vision Kraftfahrzeugscheinwerfer mit verstellbarer Blende
EP1213532A2 (de) 2000-12-05 2002-06-12 Stanley Electric Co., Ltd. Fahrzeugscheinwerfer mit einem verstellbaren Reflektorabschnitt und einem verstellbaren Blendenabschnitt zur selektiven Beleuchtung einer bestimmten Zone vor dem Fahrzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2501585B1 (de) * 2009-11-21 2019-05-22 Volkswagen Aktiengesellschaft Verfahren zum steuern einer scheinwerferanordnung für ein fahrzeug und scheinwerferanordnung
EP2384933A1 (de) * 2010-05-06 2011-11-09 Koito Manufacturing Co., Ltd. Fahrzeugscheinwerfersystem, Steuerungsvorrichtung und Fahrzeugscheinwerfer

Also Published As

Publication number Publication date
JP4861643B2 (ja) 2012-01-25
JP2005353596A (ja) 2005-12-22
EP1605202A3 (de) 2008-11-05
US7284888B2 (en) 2007-10-23
EP1605202B1 (de) 2016-10-05
US20050276062A1 (en) 2005-12-15

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