WO2013139896A1 - Phare pour véhicules - Google Patents

Phare pour véhicules Download PDF

Info

Publication number
WO2013139896A1
WO2013139896A1 PCT/EP2013/055908 EP2013055908W WO2013139896A1 WO 2013139896 A1 WO2013139896 A1 WO 2013139896A1 EP 2013055908 W EP2013055908 W EP 2013055908W WO 2013139896 A1 WO2013139896 A1 WO 2013139896A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens holder
lens
headlight according
latching
block
Prior art date
Application number
PCT/EP2013/055908
Other languages
German (de)
English (en)
Inventor
Waldemar PETKER
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 WO2013139896A1 publication Critical patent/WO2013139896A1/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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • F21S41/295—Attachment thereof specially adapted to projection lenses
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • 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
    • F21S41/39—Attachment thereof
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs

Definitions

  • the invention relates to a headlamp for vehicles with a light source, with a reflector associated with the light source, with a lens arranged upstream of the reflector and with an arranged between the reflector and the lens aperture for generating a predetermined light distribution, wherein a blend edge of the aperture a Corposcuro Limits the light distribution, with a lens holder for holding the lens and with a arranged between the lens and the reflector deflection, by means of which a reflected at an upper half of the reflector partial light beam is deflected to illuminate a high traffic sign.
  • a headlight for vehicles which operates on the projection principle.
  • the headlight on a light source, a reflector, an upstream lens and arranged in the focal region of the lens aperture, which is arranged between the lens and the reflector.
  • the diaphragm has a glare edge, by means of which a light-dark boundary of a given light distribution can be imaged.
  • the lens is held in a lens holder, so that high-mounted traffic signs (overhead signs) are illuminated.
  • the diaphragm has, in a region close to the optical axis, a deflecting surface on which a partial light bundle reflected in an upper region of the reflector can be further reflected in the direction of the highly arranged traffic signs.
  • a disadvantage of the known headlamp is that the deflection must consist of several surface sections of different curvature, which must be arranged stationarily in space. As a result, the production cost is relatively high.
  • Object of the present invention is therefore to develop a constructed according to the projection principle headlights for vehicles such that in a simple way, in addition to a predetermined light distribution, the illumination of highly arranged traffic signs is guaranteed.
  • the invention in conjunction with the preamble of claim 1, characterized in that the deflection surface is fixed in a lower half of the lens holder to the same.
  • a deflection surface for deflecting a partial light bundle coming from an upper region of the reflector in the direction of highly arranged traffic signs is arranged in a lower region of a lens holder, preferably in the region of a ring of the lens holder.
  • this can be achieved a simple attachment and low-tolerance connection of the deflection.
  • the partial light beam striking the deflection surface is preferably forwarded in an off-axis region of the lens.
  • the partial light bundle is refracted in a near-edge outer region of the lens in the direction of the high-mounted traffic signs.
  • the deflection surface is arranged at an angle to the optical axis such that the partial light bundle refracted in the outer region of the lens can be used specifically for illuminating the high-ranking traffic signs.
  • the deflection surface is formed as an oblique upper side of a projection block, which is attached to the lens holder from a rear side in the light emission direction at the same. Due to the relatively small distance of the deflection surface to the lens holder, this can be done a relatively simple attachment.
  • the approach block is insoluble, preferably connected by rivets with the lens holder.
  • the approach block is insoluble, preferably connected by rivets with the lens holder.
  • the approach block on the bottom side a projection which presses in the assembled state on an inner surface of the lens holder.
  • a defined normal force is thereby exerted on the inner surface of the lens holder, which effects a tight fit of the deflection surface.
  • the support of the attachment block in the lens shark caused by the protrusion can ter tolerance compensation of provided with the deflection approach block are created.
  • the lens holder and the approach block each have a fastening web, which are each provided with an opening such that the approach block is connected by rivets to the lens holder.
  • the riveting can be used to build on the projection of the approach block a defined contact force in the normal direction to the lens holder.
  • the deflection surface is flat. As a result, it has a relatively simple design.
  • the attachment block is releasably connected to the lens holder by latching.
  • this assembly can be simplified.
  • the approach block is attached by means of a locking clip on the lens holder.
  • locking clip of the approach block can be mounted low-strain on the lens holder.
  • the attachment can be done manually or by means of an automated tool.
  • the approach block on a carrying the deflecting support body which is connected by latching with the locking clip.
  • the support body and the locking clip can be made preferably from a sheet metal blank separated by forming. After connecting the support body with the locking clip, a structural unit is formed, which can be easily and safely mounted on the lens holder by moving in a predetermined mounting direction.
  • the locking clip has a central portion connected to the support body, on whose opposite sides in each case Protrude locking arms, which engage behind a holding surface of the lens holder in a mounting position.
  • the central portion of the locking clip on opposite sides clamping webs which cooperate with peripheral edges of the support body such that the locking clip is securely held on the support body.
  • this undesirable springback of the locking clip is prevented when attaching to the support body.
  • this undesirable hooking of the items is prevented during bulk transport.
  • the locking clip is connected to a rear side in the mounting direction of the support body with the same, so that a mounting force is introduced via the locking clip in a direction perpendicular to the mounting direction wall of the support body. This advantageously prevents deformation of the wall of the support body during assembly on the lens holder. The resulting assembly forces are directed via the locking clip on the back of the wall of the support body.
  • the lens holder has at least axially projecting positioning domes, which engage in corresponding holes of the support body and the latching clip.
  • this makes it possible to realize an exact positioning of the attachment block to the lens holder.
  • the positioning is remote from the attachment points, which are defined by the ends of the locking arms.
  • FIG. 1 is a rear perspective view of a lens holder with a rear mounted deflection for deflecting the light in the direction of highly arranged road signs
  • FIG. 2 shows a schematic partial vertical section through the lens holder provided with a lens in a lower region thereof;
  • Fig. 3 is a schematic side view of a headlamp with marked
  • Fig. 4 is a rear perspective view of a neck block after a second
  • FIG. 5 is a bottom view of the approach block according to Figure 4,
  • FIGS. 4 and 5 shows a horizontal section through the attachment block according to FIGS. 4 and 5 in a mounting position thereof on a lens holder
  • Fig. 7 is a rear perspective view of the approach block, before being mounted in the mounting direction on the lens holder and
  • FIG. 8 shows a perspective rear view of the attachment block in the assembly position on the lens holder.
  • a headlight for vehicles has a pot-shaped housing, not shown, in which a projection module 1 is arranged. A front opening edge of the housing is covered by a translucent lens.
  • the projection module 1 is used to generate a low beam and / or high beam distribution.
  • the projection module 1 essentially comprises a light source 2, a reflector 3 assigned to the light source 2, a lens 4 arranged upstream of the reflector 3, and a diaphragm 5 arranged between the same and the reflector 3 for a focal point region of the lens 4.
  • the diaphragm 5 has a glare edge, by means of which a light-dark boundary of the low-beam light distribution can be imaged.
  • the lens 4 has a spherical front side 7 arranged in the light emission direction 6 at the front and a flat back 8.
  • the lens 4 is fixed by means of a snap ring, not shown, to a lens holder 9, wherein a near the rear 8 of the lens 4 near edge thereof is disposed on an annular stop 10 in a front region of the lens holder 9.
  • This ring-shaped stop 10 or the lens receptacle is located in a light emission direction 6 front portion of a ring 11 of the lens holder 9.
  • the ring 11 has an axial length I, which lies in the region of the maximum axial length I of the lens 4.
  • the reflector carrier 3 carrying the reflector support is fixed, for example, fixed or pivotally mounted on the housing of the headlamp.
  • a projection block 14 is fastened with an oblique deflection surface 15, wherein the deflection surface 15 forms a reflective upper side of the projection block 14.
  • the deflection surface 15 and the approach block 14 are made of a light-reflecting steel material.
  • the oblique deflection surface 15 may also be formed by a VerLiteungsüberzug the approach block 14.
  • the deflection surface 15 is arranged at an angle ⁇ to an optical axis A of the lens 4 such that a partial light bundle L reflected at an upper side of the reflector 3 is reflected at the deflection surface 15 in the direction of the lens 4 such that the partial light bundle L after refraction on the lens 4 is used to illuminate the raised road sign.
  • the deflection surface 15 forms an upper side of the attachment block 14 which extends in a region between the rear side 8 of the lens 4 and a rear edge plane R H of the lens holder ring 11.
  • the deflection surface 15 extends in the light emission direction 6 preferably just below the opening angle ⁇ to the outside while shortening the distance to an interior surface 23 of the lens holder 9, wherein a front end 16 of the deflection surface 15 is arranged at a distance a from the inner surface 23.
  • the deflection surface 15 consists of two planar partial surfaces 15 ', 15 ", which extend on both sides of a vertical plane of the lens holder 9 extending in the plane of the Figure 3.
  • the partial surfaces 15', 15" are slightly inclined with respect to the vertical center plane , wherein the partial surfaces 15 ', 15 "in each case run slightly sloping from the vertical center plane, Alternatively, the partial surfaces 15', 15” can also run slightly rising with respect to the vertical center plane. Preferably, the partial surfaces 15 ', 15 "extend symmetrically to the vertical center plane of the light holder.
  • the extension block 14 is formed symmetrically to a median plane or symmetrically attached to the vertical center plane of the lens holder 9 to the same insoluble.
  • the approach block 14 has for this purpose on both sides of the vertical center plane a fastening web 17 with a perforation 18, wherein the fastening web 17 of the approach block 14 is arranged in alignment with an integrally formed on the rear edge 12 of the lens holder 9 and a perforation 21 having fastening web 20 so that, for example, a rivet 19 can be inserted into the perforations 18, 21 for producing a riveted connection between the lens holder 9 and the projection block 14.
  • the rivet 19 could also be fixed in advance to the projection block 14.
  • the approach block 14 is attached to the same from a rear side of the lens holder 9, the holes 18 of the mounting webs 17 of the approach block 14 are aligned with the holes 21 of the mounting webs 20 of the lens holder 9.
  • the final positioning of the deflection surface 15 takes place by folding over the pull-through rivets 19, wherein a projection 22 of the attachment block 14 arranged opposite the deflection surface 15 is pressed by means of a force F onto an inner surface 23 of the lens holder 9.
  • the projection 22 may be formed in the circumferential direction of the lens holder 9 in a straight line or arcuate shape.
  • direction of the lens holder 9 may be arranged on a lower side 20 of the projection block 14 and preferably in a front region thereof.
  • the approach block 14 may also be connected by screwing or gluing or by welding to the lens holder 9.
  • the lug block 14 is formed as a flexure consisting of a metal material, preferably a bent steel material.
  • the approach block 14 may be formed as a solid body or as a hollow body.
  • the lens holder 9 instead of a circular ring 11 also have a polygonal ring.
  • a lug block 114 is provided, which differs from the lug block 4 according to the first embodiment essentially in that the lug block 114 in a lower edge portion 111 has a locking clip 110, by means of which he is releasably secured to a lens holder 109 by latching.
  • the attachment block 114 has a carrier body 115, to which the deflection surface 15 adjoins in an upper edge region 112 of the attachment block 114.
  • the deflection surface 15 of the attachment block 114 essentially corresponds to the deflection surface 15 of the attachment block 14.
  • the support body 115 and the latching clip 110 are each made from a blank, preferably from a sheet metal blank, by forming.
  • the support body 115 has in the lower edge region 111 a parallel to a lower peripheral edge 113 of the same extending slot 116 into which a clamping web 117 of the latching Clamp 110 clamped or latching engages.
  • An opposing second clamping web 117 'of the locking clip 110 is firmly connected to the lower peripheral edge 113 of the support body 115, so that the locking clip 110 is securely held on the support body 115.
  • the one clamping web 117 engages on a lower peripheral edge 116 'of the slot 116.
  • the support body 115 and the preferably integrally connected with the same locking clip 110 are made of a sheet material.
  • the support body 115 has the rear wall 118 and on both sides on the same subsequent side walls 119, 119 ', wherein at the upper edges of the rear wall 118 and the side walls 119, 119', the deflection surface 15 connects.
  • the deflection surface 15 is preferably integrally connected to the rear wall 118 and is brought by forming at an acute angle to the rear wall 118.
  • the locking clip 110 has a central portion 120, protrude from the respective latching arms 121 on opposite sides.
  • the latching arms 121 each have latching legs 122, 122 'which extend toward one another at an acute angle, wherein a free end-side latching leg 122' has a barb-shaped end 123 which presses on a holding surface 124 of the lens holder 109 in a mounting position of the projection block 114.
  • the locking leg 122 ' has a length such that the barb-shaped end 123, the holding surface 124 surrounds, which extends adjacent to a slot 125 of the lens holder 109.
  • the slot 125 allows the free locking leg 122 'can engage in this and the support surface 124 engages behind.
  • the latching arms 121 are identical, so that the latching clips 110 has an M-shaped contour in side view.
  • the M-shaped locking clip 110 allows a tension-free attachment of the support body 115 and the approach block 114 on the lens holder 109th
  • the projection block 114 with the latching clip 110 in the mounting direction M in the axial direction is fed to the lens holder 109 from the rear side thereof.
  • the frame-shaped lens holder 109 (support frame) has axially rearwardly projecting positioning domes 126, which pass through corresponding holes 127 of the support body 115 and the latching clip 110 and allow a defined positioning of the attachment block 114 on the lens holder 109.
  • the lens holder 109 is preferably made of a plastic material.
  • the approach block 14, 114 is preferably made of a sheet material.
  • the locking clip 110 is connected in a locking direction in the mounting direction M rear side of the support body 115 with the same on the clamping webs 117, 117 '.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un phare pour véhicule comprenant une source lumineuse, un réflecteur associé à la source lumineuse, une lentille placée devant le réflecteur et une paroi disposée entre le réflecteur et la lentille pour générer une distribution de lumière prédéfinie, un bord du diaphragme représentant une limite clair-obscur de la distribution de lumière, un support de lentille pour recevoir la lentille et une surface de déviation qui est disposée entre la lentille et le réflecteur et au moyen de laquelle un faisceau partiel de lumière peut être dévié sur une moitié supérieure du réflecteur pour éclairer un panneau de signalisation disposé en hauteur, la surface de déviation étant fixée sur le support de lentille dans la moitié inférieure de ce dernier.
PCT/EP2013/055908 2012-03-22 2013-03-21 Phare pour véhicules WO2013139896A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012102435A DE102012102435A1 (de) 2012-03-22 2012-03-22 Scheinwerfer für Fahrzeuge
DE102012102435.9 2012-03-22

Publications (1)

Publication Number Publication Date
WO2013139896A1 true WO2013139896A1 (fr) 2013-09-26

Family

ID=47915218

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/055908 WO2013139896A1 (fr) 2012-03-22 2013-03-21 Phare pour véhicules

Country Status (2)

Country Link
DE (1) DE102012102435A1 (fr)
WO (1) WO2013139896A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013108746A1 (de) * 2013-08-13 2015-02-19 Hella Kgaa Hueck & Co. Projektionsmodul für einen Scheinwerfer eines Fahrzeugs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018108567A1 (de) 2018-04-11 2019-10-17 HELLA GmbH & Co. KGaA Scheinwerfer für Fahrzeuge

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB379568A (en) * 1930-11-26 1932-09-01 Lucien Desire Reymond Improvements in search-lights
EP0200928A2 (fr) * 1985-05-10 1986-11-12 Hella KG Hueck & Co. Phare anti-éblouissant pour véhicules
JPH0729402A (ja) * 1993-07-12 1995-01-31 Stanley Electric Co Ltd プロジェクタ型ヘッドランプ
DE102006033920A1 (de) 2005-07-21 2007-02-01 Koito Manufacturing Co., Ltd. Fahrzeugleuchte
DE102006045446A1 (de) * 2005-09-26 2007-04-26 Stanley Electric Co. Ltd. Fahrzeuglicht
JP2010118322A (ja) * 2008-11-14 2010-05-27 Kanto Auto Works Ltd プロジェクター式ヘッドランプ
EP2541135A2 (fr) * 2011-06-30 2013-01-02 Stanley Electric Co., Ltd. Unité d'éclairage pour véhicule

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006202694A (ja) * 2005-01-24 2006-08-03 Koito Mfg Co Ltd 車両用前照灯
JP4595891B2 (ja) * 2006-06-23 2010-12-08 市光工業株式会社 車両用ヘッドランプ
JP5323449B2 (ja) * 2008-10-30 2013-10-23 株式会社小糸製作所 車両用灯具ユニット及び車両用灯具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB379568A (en) * 1930-11-26 1932-09-01 Lucien Desire Reymond Improvements in search-lights
EP0200928A2 (fr) * 1985-05-10 1986-11-12 Hella KG Hueck & Co. Phare anti-éblouissant pour véhicules
JPH0729402A (ja) * 1993-07-12 1995-01-31 Stanley Electric Co Ltd プロジェクタ型ヘッドランプ
DE102006033920A1 (de) 2005-07-21 2007-02-01 Koito Manufacturing Co., Ltd. Fahrzeugleuchte
DE102006045446A1 (de) * 2005-09-26 2007-04-26 Stanley Electric Co. Ltd. Fahrzeuglicht
JP2010118322A (ja) * 2008-11-14 2010-05-27 Kanto Auto Works Ltd プロジェクター式ヘッドランプ
EP2541135A2 (fr) * 2011-06-30 2013-01-02 Stanley Electric Co., Ltd. Unité d'éclairage pour véhicule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013108746A1 (de) * 2013-08-13 2015-02-19 Hella Kgaa Hueck & Co. Projektionsmodul für einen Scheinwerfer eines Fahrzeugs

Also Published As

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