WO2010031743A1 - Phare pour véhicule et procédé de production pour dispositif à diaphragme - Google Patents

Phare pour véhicule et procédé de production pour dispositif à diaphragme Download PDF

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Publication number
WO2010031743A1
WO2010031743A1 PCT/EP2009/061863 EP2009061863W WO2010031743A1 WO 2010031743 A1 WO2010031743 A1 WO 2010031743A1 EP 2009061863 W EP2009061863 W EP 2009061863W WO 2010031743 A1 WO2010031743 A1 WO 2010031743A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow body
reflector
elongated hollow
light distribution
diaphragm device
Prior art date
Application number
PCT/EP2009/061863
Other languages
German (de)
English (en)
Inventor
Reinhold Brummel
Daniel Süsselbeck
Original Assignee
Hella Kgaa Hueck & Co.
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 Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2010031743A1 publication Critical patent/WO2010031743A1/fr

Links

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
    • F21S41/698—Shaft-shaped screens rotating along its longitudinal axis

Definitions

  • the invention relates to a headlamp for vehicles according to the preamble of patent claim 1.
  • the invention relates to a method for producing a diaphragm device for a headlight according to the preamble of patent claim 7.
  • a headlight for vehicles is known, which is designed as a projection headlight.
  • This has in addition to a light source and a reflector in the main emission direction of the reflector upstream lens and a diaphragm device, wherein by rotational position of the diaphragm device different light distributions, such as low beam distribution or high beam distribution can be generated.
  • a light-dark boundary of the light distribution is generated by means of an extending in the longitudinal direction of the diaphragm device glare edge.
  • the known diaphragm device may comprise an elongated hollow body, wherein the contouring of the hollow body is formed by generating an internal high pressure.
  • the production of the hollow body by high-pressure forming requires the application of a plate-shaped semifinished product with a Wirkmediendruck, which due to the slow pressure build-up and the sequential forming steps very high cycle times are needed. The production cost is therefore relatively high.
  • the object of the present invention is to specify a headlight for vehicles or a production method for a diaphragm device of the headlight such that the manufacturing outlay is reduced.
  • the particular advantage of the invention is that the production cost can be substantially reduced by the formation of an elongated hollow body of the diaphragm device as a bent part or deep-drawn part.
  • a plate-shaped semifinished product which may be formed as a sheet blank, provided and formed by Werstedumformen or by Biegeum- forms to an elongated hollow body having a number of extending in the longitudinal direction of the hollow body Blendkanten.
  • the blend edges can be made in the Werstedumformen or bending forming, so that a relatively rapid shaping of the aperture device is made possible.
  • a bearing element or a drive element is injection-molded on at least one end of the elongate hollow body, so that on the one hand a storage of the diaphragm device allows, for example, at the front edge region of the reflector and on the other hand, the stability of the tubular hollow body is improved.
  • the bearing element can also be positively connected to one end of the elongated hollow body.
  • the hollow body thus has a closed shape, which acts stabilizing.
  • the bearing element on a sliding surface, so that the bearing element has relatively good sliding properties, which favors a precise adjustment of the rotational position.
  • Fig. 1 is a perspective view of an elongated hollow body with end bearing elements
  • FIG. 3 shows a cross section through the elongate hollow body along the section line III-III in FIG. 2, FIG.
  • Fig. 5 is a front view of the elongated hollow body, wherein at one end a drive element is molded onto the bearing element.
  • a headlamp for vehicles is designed as a projection headlamp, which has a shell-shaped reflector, in whose first focal point a light source and in the second focal point of a lens is arranged. Between the lens and the reflector, a diaphragm device 1 is provided, which is rotatable by means of an actuating unit, not shown, about a horizontal and transverse to the optical axis of the light source axis of rotation D in different rotational positions.
  • the diaphragm device 1 has an elongate hollow body 2 with glare edges 3, 4 which are distributed in the direction of rotation and which extend in each case in the longitudinal direction of the hollow body 2.
  • FIG. 1 clearly shows a first blend edge 3 for producing a cut-off line for a low-beam light distribution and a blend edge 4 for generating a cut-off for a high-beam distribution by a widened line.
  • the blend edge 3 has a vertical section 3 '.
  • the blend edge for generating the low beam distribution 3 and / or a blend edge for generating a city light distribution and / or a blend edge for generating a Land Beaun- light distribution and / or a blend edge for generating a motorway light distribution be arranged.
  • the diaphragm device 1 thus enables the generation of a plurality of different light distributions.
  • each end openings of the hollow body 2 occluding bearing elements 7 and 8 are arranged, which allow storage of the hollow body 2 at a front edge region of the reflector, not shown.
  • the bearing elements 7, 8 each have a bearing pin T or 8 ', wherein the first bearing element 7 is connected via the bearing pin T with a drive element 9.
  • the drive element 9 may be part of a transmission, such as a gear, which is connected to a not shown E- lektromotor the actuator.
  • the bearing elements 7, 8 each have a bearing plate 10, 11 which extends perpendicular to the axis of rotation D and is connected by positive engagement or by injection with the front end 5, 6 of the hollow body 2. On a side facing away from the hollow body 2, the bearing pin T or 8 'adjoins in a central region of the bearing plate 10, 11.
  • the diaphragm device 1 is produced as follows:
  • a plate-shaped semifinished product for example a sheet metal blank, is provided. Then, the plate-shaped semi-finished product is formed by deep drawing or bending to the elongated hollow body 2, wherein at the same time the intended shutter edges 3, 4 are formed.
  • the hollow body 2 thus forms a bent part or a deep-drawn part.
  • Opposite longitudinal edges of the plate-shaped semifinished product, which preferably extend in the direction of the axis of rotation D, are then joined together by welding or gluing.
  • the bearing elements 7, 8 produced by injection molding at the front ends 5, 6 of the hollow body 2.
  • the drive element 9 molded become.
  • the drive element 9 is molded together with the first bearing element 7 at the same time to the first end of the hollow body 2.
  • the bearing element 7, 8 and / or the drive element 9 can be connected by positive engagement with the hollow body 2 or with the bearing element 7.
  • the joining of the longitudinal edges of the semifinished product can also take place after formation or connection of the bearing elements 7, 8 on the hollow body 2.

Abstract

L'invention concerne un phare pour véhicule, comprenant un réflecteur présentant deux foyers, une source lumineuse disposée dans un premier foyer du réflecteur, une lentille qui, en considérant la direction du rayonnement principal, est disposée en amont du réflecteur, lentille dont le foyer est disposé à proximité du second foyer du réflecteur, et un dispositif à diaphragme disposé entre la lentille et le réflecteur, renfermant un corps creux longitudinal, caractérisé en ce qu'au moyen d'une unité de réglage, le dispositif à diaphragme est monté rotatif, en plusieurs positions de rotation, autour d'un axe de rotation horizontal et perpendiculaire à l'axe optique, et en ce qu'un bord de diaphragme s'étendant en direction longitudinale du corps creux est associé respectivement aux positions de rotation, en vue d'établir une limite clarté-obscurité pour une répartition de lumière prédéterminée, et en ce que le corps creux longitudinal est réalisé sous la forme d'une pièce cintrée ou d'une pièce emboutie par emboutissage profond.
PCT/EP2009/061863 2008-09-16 2009-09-14 Phare pour véhicule et procédé de production pour dispositif à diaphragme WO2010031743A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008047278.6 2008-09-16
DE102008047278A DE102008047278A1 (de) 2008-09-16 2008-09-16 Scheinwerfer für Fahrzeuge und Herstellungsverfahren

Publications (1)

Publication Number Publication Date
WO2010031743A1 true WO2010031743A1 (fr) 2010-03-25

Family

ID=41425321

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/061863 WO2010031743A1 (fr) 2008-09-16 2009-09-14 Phare pour véhicule et procédé de production pour dispositif à diaphragme

Country Status (2)

Country Link
DE (1) DE102008047278A1 (fr)
WO (1) WO2010031743A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT509821B1 (de) * 2010-04-22 2013-08-15 Zizala Lichtsysteme Gmbh Scheinwerfer für fahrzeuge
EP2418121A3 (fr) * 2010-08-09 2017-09-13 Koito Manufacturing Co., Ltd. Phare de véhicule

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010045434B4 (de) * 2010-09-15 2018-05-30 HELLA GmbH & Co. KGaA Projektionsscheinwerfer für Fahrzeuge

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335286A1 (de) * 1992-10-21 1994-04-28 Koito Mfg Co Ltd Projektionsscheinwerfer für Kraftfahrzeuge
EP1477731A2 (fr) * 2003-05-12 2004-11-17 Hella KG Hueck & Co. Projecteur pour véhicule et procédé pour la production du cache rotatif
EP1512904A2 (fr) * 2003-09-05 2005-03-09 Hella KGaA Hueck & Co. Projecteur pour véhicules
WO2005024296A1 (fr) * 2003-09-05 2005-03-17 Hella Kgaa Hueck & Co. Phare pour véhicules
DE102005021695A1 (de) * 2005-05-11 2006-11-30 Hella Kgaa Hueck & Co. Projektionsscheinwerfer für Fahrzeuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19739089A1 (de) * 1997-09-06 1999-03-11 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
DE19909413A1 (de) * 1999-03-04 2000-09-07 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
JP3638868B2 (ja) * 2000-11-01 2005-04-13 株式会社小糸製作所 車両用前照灯
DE102004059005A1 (de) * 2004-12-08 2006-06-14 Automotive Lighting Reutlingen Gmbh Scheinwerfereinsatz für einen Poly-Ellipsoid-Kraftfahrzeugscheinwerfer und Verfahren zur Montage eines solchen Schweinwerfereinsatzes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335286A1 (de) * 1992-10-21 1994-04-28 Koito Mfg Co Ltd Projektionsscheinwerfer für Kraftfahrzeuge
EP1477731A2 (fr) * 2003-05-12 2004-11-17 Hella KG Hueck & Co. Projecteur pour véhicule et procédé pour la production du cache rotatif
EP1512904A2 (fr) * 2003-09-05 2005-03-09 Hella KGaA Hueck & Co. Projecteur pour véhicules
WO2005024296A1 (fr) * 2003-09-05 2005-03-17 Hella Kgaa Hueck & Co. Phare pour véhicules
DE102005021695A1 (de) * 2005-05-11 2006-11-30 Hella Kgaa Hueck & Co. Projektionsscheinwerfer für Fahrzeuge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT509821B1 (de) * 2010-04-22 2013-08-15 Zizala Lichtsysteme Gmbh Scheinwerfer für fahrzeuge
EP2418121A3 (fr) * 2010-08-09 2017-09-13 Koito Manufacturing Co., Ltd. Phare de véhicule

Also Published As

Publication number Publication date
DE102008047278A1 (de) 2010-04-15

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