EP0974786A2 - Phare du type projecteur pour véhicules - Google Patents

Phare du type projecteur pour véhicules Download PDF

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Publication number
EP0974786A2
EP0974786A2 EP99111395A EP99111395A EP0974786A2 EP 0974786 A2 EP0974786 A2 EP 0974786A2 EP 99111395 A EP99111395 A EP 99111395A EP 99111395 A EP99111395 A EP 99111395A EP 0974786 A2 EP0974786 A2 EP 0974786A2
Authority
EP
European Patent Office
Prior art keywords
reflector
projection
lens
lamp
headlight
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
EP99111395A
Other languages
German (de)
English (en)
Other versions
EP0974786B1 (fr
EP0974786A3 (fr
Inventor
Michael Werner
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.)
Volkswagen AG
Original Assignee
Volkswagen 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
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP0974786A2 publication Critical patent/EP0974786A2/fr
Publication of EP0974786A3 publication Critical patent/EP0974786A3/fr
Application granted granted Critical
Publication of EP0974786B1 publication Critical patent/EP0974786B1/fr
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
    • 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
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors

Definitions

  • the invention relates to a headlight arrangement according to the projection type for a Motor vehicle with at least one lamp or lamp filament, a reflector system and a projection lens according to claim 1.
  • Headlight assemblies for motor vehicles are known in many different ways. Here almost all headlight assemblies for motor vehicles contain two different ones Low and high beam reflectors. The two reflectors mentioned are included either arranged side by side in a common headlight housing, or but arranged in two separate headlight housings. In both Cases, namely the quasi side by side arrangement of the reflectors are also two Light sources or two lamps necessary.
  • the high beam creates a geometrical positioning between the light source and each reflector an intense, directed across the road Cone of light for illuminating the road as well as the road environment in front the motor vehicle.
  • the dipped-beam headlights on the one hand produce between lamp and reflector and of course also the reflector based on the Headlight geometry a cone of light that is aimed exclusively at the road and therefore has a much shorter range.
  • the so-called stopping down of the said light on the road should prevent oncoming traffic from being dazzled.
  • the so-called high beam is made use of the so-called high beam.
  • the Vehicle driver visibly approaching a vehicle on the opposite lane, he engages Low beam around to dazzle the oncoming driver prevent.
  • headlight arrangements in which two separate light sources are integrated in a common halogen lamp.
  • This said Halogen lamp is then also assigned to a common reflector.
  • construction has this construction described the advantage that no more two juxtaposed reflectors are necessary, but that the same Function is represented by a common single reflector. This has to The consequence is that considerably smaller installation spaces are required in the headlight housing. Nevertheless, it is disadvantageous that the two lighting methods have one common reflector are shown because they are actually different Condition reflector geometries.
  • headlight arrangements are based on the so-called Projection system known. This is particularly used to generate the high beam a projection lens is used, in which in particular the yield due to the optics is significantly increased with the available direct light.
  • projection lenses known which have differently ground zones, so that both Low beam, as well as the high beam is generated according to the projection type.
  • the invention is therefore based on the object of a headlight arrangement Generic type to the extent that both the low beam and the high beam is generated efficiently and directed in a corresponding manner is emitted and the space required is kept compact.
  • the essence of the invention is on the one hand that even with one Headlight arrangement used according to the projection type two reflector systems , namely one for the normal reflection system and the other reflector for the projection system. Only the reflector of the projection system is along the optical axis and the projection lens is relative to the reflector of the Reflection system stationary. It should be made clear that the Projection lens is not fixed relative to the reflector of the projection system, but is stationary relative to the reflector of the reflection system.
  • the main advantage is here that on the one hand the arrangement of two reflectors with one common, the two reflectors at a suitable overlapping each other Opening is arranged extending through, and that exactly such a double Projector type reflector system arrangement, i. H. with a projection lens is working. Of course, this projection lens only collects the light from the Projection reflector.
  • the projection reflector is slidable. That means that the lens cannot be moved together with the Projection reflector, but the lens is stationary with respect to the reflection reflector and the projection reflector moves relative to it. Likewise one can otherwise possible movement of the lamp is prevented.
  • the lamp, the two reflectors and the lens on one common optical axis aligned can be advantageous Embodiment of the invention take place through a rigid connection.
  • This rigid Connection can be given by fixing on a common holding element. This means that the said lens and the reflection reflector on one common holding frame or holding element are arranged.
  • FIG. 1 shows the invention only in its essential elements.
  • the essential elements are the reflection reflector 10, the projection reflector 20, as well as the lamp 1 and the lens 30.
  • the lens 30 On the resulting optical axis is now the lens 30 at a corresponding distance positioned that it from the lamp 1 on the reflector surface of the projection reflector Collects 20 reflected light, but not the reflection light of the reflection reflector 10th
  • the arrangement according to the invention is therefore not only functionally advantageous, but also it also fulfills the requirement that the installation space be compact and unaffected hold.
  • Figures 2 and 3 contain only two configurations from the prior art, the are deliberately avoided with the invention.
  • Figure 2 shows the mobility of the Projection reflector, but the projection lens moves with it. This leads to a Ultimate stroke movement of the lens 30, which is in the appropriate position over the the space actually required protrudes.
  • FIG. 3 Another possibility is shown in FIG. 3, wherein but due to the movability of the lamp itself, the installation space to the rear accordingly must be trained large. That means that even with this design there would be an increase of the installation space.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP99111395A 1998-07-18 1999-06-11 Phare du type projecteur pour véhicules Expired - Lifetime EP0974786B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19832466 1998-07-18
DE19832466A DE19832466A1 (de) 1998-07-18 1998-07-18 Scheinwerferanordnung nach dem Profjektionstyp für ein Kraftfahrzeug

Publications (3)

Publication Number Publication Date
EP0974786A2 true EP0974786A2 (fr) 2000-01-26
EP0974786A3 EP0974786A3 (fr) 2001-09-26
EP0974786B1 EP0974786B1 (fr) 2006-08-16

Family

ID=7874605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99111395A Expired - Lifetime EP0974786B1 (fr) 1998-07-18 1999-06-11 Phare du type projecteur pour véhicules

Country Status (3)

Country Link
EP (1) EP0974786B1 (fr)
AT (1) ATE336692T1 (fr)
DE (2) DE19832466A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1452797A1 (fr) * 2003-02-25 2004-09-01 CATEYE Co., Ltd. Appareil d'éclaireage
CN102410496A (zh) * 2010-09-20 2012-04-11 刘克迅 光源的聚光装置及其灯具
EP2796778A1 (fr) * 2013-04-26 2014-10-29 Hella KGaA Hueck & Co. Système d'éclairage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10353087A1 (de) * 2003-11-13 2005-06-16 Bayerische Motoren Werke Ag Fahrzeugleuchte
DE102006047837A1 (de) * 2006-10-10 2008-04-17 Volkswagen Ag Scheinwerfer für ein Fahrzeug mit einer Tagfahrlichtanordnung
JP4445502B2 (ja) * 2006-10-30 2010-04-07 株式会社シマノ 自転車用照明装置
DE102007049309B4 (de) 2007-10-15 2013-04-11 Automotive Lighting Reutlingen Gmbh Projektionsmodul eines Kraftfahrzeugscheinwerfers
DE102014008043A1 (de) * 2014-05-28 2015-12-03 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Fahrzeugscheinwerfer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826988A1 (de) * 1988-08-09 1990-02-15 Kodak Ag Fahrzeugscheinwerfer
DE4036031C1 (fr) * 1990-11-13 1992-02-27 Hella Kg Hueck & Co, 4780 Lippstadt, De
JP2579256Y2 (ja) * 1992-04-30 1998-08-20 株式会社小糸製作所 光束パターン可変型４灯式前照灯
JP2827147B2 (ja) * 1993-07-09 1998-11-18 株式会社小糸製作所 リフレクタ駆動式車両用配光可変型灯具
FR2767182B1 (fr) * 1997-08-11 1999-09-03 Valeo Vision Projecteur a faisceau variable, notamment pour vehicules

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1452797A1 (fr) * 2003-02-25 2004-09-01 CATEYE Co., Ltd. Appareil d'éclaireage
US7207697B2 (en) 2003-02-25 2007-04-24 Cateye Co., Ltd. Illumination apparatus
CN102410496A (zh) * 2010-09-20 2012-04-11 刘克迅 光源的聚光装置及其灯具
EP2796778A1 (fr) * 2013-04-26 2014-10-29 Hella KGaA Hueck & Co. Système d'éclairage
WO2014173656A1 (fr) * 2013-04-26 2014-10-30 Hella Kgaa Hueck & Co. Système d'éclairage

Also Published As

Publication number Publication date
EP0974786B1 (fr) 2006-08-16
EP0974786A3 (fr) 2001-09-26
ATE336692T1 (de) 2006-09-15
DE19832466A1 (de) 2000-02-17
DE59913776D1 (de) 2006-09-28

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