EP0200929B1 - Phare anti-éblouissant pour véhicules - Google Patents

Phare anti-éblouissant pour véhicules Download PDF

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Publication number
EP0200929B1
EP0200929B1 EP86104626A EP86104626A EP0200929B1 EP 0200929 B1 EP0200929 B1 EP 0200929B1 EP 86104626 A EP86104626 A EP 86104626A EP 86104626 A EP86104626 A EP 86104626A EP 0200929 B1 EP0200929 B1 EP 0200929B1
Authority
EP
European Patent Office
Prior art keywords
lens
annular part
dipped
frame
vehicle headlamp
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 - Lifetime
Application number
EP86104626A
Other languages
German (de)
English (en)
Other versions
EP0200929A2 (fr
EP0200929A3 (en
Inventor
Franz Dipl.-Ing. Feyerabend
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and 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 Huek and Co filed Critical Hella KGaA Huek and Co
Priority to AT86104626T priority Critical patent/ATE70347T1/de
Publication of EP0200929A2 publication Critical patent/EP0200929A2/fr
Publication of EP0200929A3 publication Critical patent/EP0200929A3/de
Application granted granted Critical
Publication of EP0200929B1 publication Critical patent/EP0200929B1/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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—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
    • F21S41/29—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses

Definitions

  • the invention relates to a dimmed vehicle headlight with an ellipsoidal reflector, with a light source arranged in the first focal point of the reflector, with a collecting lens inserted in the beam path behind the second focal point and carried by an annular part of a frame connected to the reflector, and with a collecting lens in the beam path arranged in front of the converging lens and in the focal point of the converging lens, the upper, essentially horizontal edge of which produces the light / dark boundary.
  • a dimmed vehicle headlight of this type is known from DE-GM 84 30 629, in which the frame supporting the panel has the shape of a table and connects the reflector, panel and converging lens to form a fixed unit.
  • the converging lens is inserted from below into an opening in the top of the frame and lies with its outer flange on the edge of the opening.
  • the converging lens can be fastened to the frame by gluing or by spring plates that are riveted or screwed to the frame on the outer flange under pretension.
  • the insertion of the converging lens between the legs in the opening of the frame and the attachment of the converging lens by gluing, riveting and screwing is cumbersome and time-consuming.
  • the converging lens attached by riveting or gluing cannot be dismantled. With a screw connection, a secure tight fit of the converging lens is not always guaranteed.
  • the lens can be automatically and simply installed quickly, since the lens can be inserted from the outside into the receiving opening of the frame and can be securely fixed in the frame by means of a simple snap ring.
  • the lens can be removed if the frame is damaged, since it can be pushed out of the ring with great effort.
  • the annular part between the plane formed by the support points and the ring end with the smaller diameter has radially inwardly directed projections, the surfaces of which face each other as centering surfaces for the outer edge of the lens .
  • the lens is centered on the optical axis after insertion into the receiving opening of the frame.
  • the shoulders and the projections are formed from areas that are cut free from the annular part and bent radially inward.
  • a frame made of sheet metal can be produced very inexpensively.
  • the annular part between the largest and smallest inside diameter has the shape of a truncated cone or a spherical section.
  • the snap ring presses the converging lens with a relatively large force against the lugs of the frame which serve as support points.
  • the snap ring bears against the front outer circumferential edge of the converging lens under prestress, and the forces of the snap ring acting on the edge are directed to a common point on the optical axis.
  • the outer circumferential edge of the converging lens, against which the snap ring rests under prestress has a radius or a bevel.
  • the converging lens is fixed by the snap ring not only in the axial direction, but also in the radial direction. By fixing the converging lens in the radial direction, the converging lens is exactly centered on the optical axis.
  • a vehicle headlight which consists essentially of an ellipsoidal reflector 1 and a diaphragm 4 arranged between the converging lens 2 and the reflector 1.
  • the inner reflection surface of the reflector 1 forms a semi-ellipse in the axial longitudinal sections.
  • the filament 3 of an incandescent lamp 5 is arranged, which is supported by an annular lamp holder 6 inserted into the apex opening of the reflector 1 and glued to the rear of the reflector.
  • the incandescent lamp 5 is fixed by a spring 7 which can be placed under prestress on the base plate.
  • a cover cap 8 made of rubber is placed on the annular lamp holder 6.
  • the edge 13 of the diaphragm 4 which generates the light / dark boundary is misaligned with the second focal point of the reflector 1 and is arranged in the focal point of the lens 2.
  • the panel 4 is made in one piece with a cup-shaped frame 9 produced in the deep-drawing process.
  • the cup 9 tapers conically to the bottom surface 10 and carries the converging lens 2 inserted from the cut-out bottom surface 10.
  • Four arm-shaped webs 16 and 17 are cut free from the annular part 12 of the cup 9, the free ends 18 of which are cut by welding the outer circumferential reflector edge 14 are firmly connected.
  • the web 19 cut out of the cup 9 between the webs 17 serves with its free end section angled towards the optical axis as a diaphragm 4.
  • the webs 17 adjacent to the diaphragm 4 serve as diaphragm 4 as support elements, ie after the diaphragm 4 has been adjusted their lateral sections 27 are welded to the support elements 17.
  • the ring-shaped part 12 of the frame 9 is circular and tapers in its inner diameter in the part 11 of its height in the light exit direction.
  • the annular part 12 has the shape of a spherical section between the largest and smallest inner diameter D and d.
  • the converging lens 2 inserted into the annular part 12 from the smaller inner diameter d bears against lugs 30 which are evenly distributed on the circumference and which are cut out of the annular part 12 and bent radially inwards.
  • the end faces 31 of the tongues 30 pointing towards the converging lens 2 serve as support points for the converging lens 2.
  • radially inward projections 33 are introduced into the annular part 12 between the tongues 30.
  • the projections 33 form strips cut free from the annular part 12, the longitudinal direction of which extends perpendicular to the optical axis and which are given an arcuate shape by pressure from the outside.
  • the mutually facing surfaces 34 of the strips 33 serve to pre-center the converging lens 2.
  • a snap ring 15 is inserted from the front between the converging lens 2 and the part 11 which tapers inwardly the annular part 12 .
  • the snap ring 15 presses into a gap formed by the converging lens 2 and the annular part 12 without resting on the bottom of the gap.
  • the snap ring 15 bears against the front outer circumferential edge 35, which has a radius, under prestress.
  • the forces acting on the edge 35 of the converging lens 2 are directed to a common point on the optical axis.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Glass Compositions (AREA)

Claims (7)

  1. Projecteur de feu de croisement pour véhicule comprenant un réflecteur ellipsoïdal (1), une source lumineuse (3) disposée en un premier foyer du réflecteur, une lentille convergente (2); disposée sur le trajet du faisceau, en aval du deuxième foyer, et portée par une partie annulaire (12) d'un support (9) solidaire du réflecteur (1), et un diaphragme (4) disposé sur le trajet du faisceau, en amont la lentille convergente (2) et au foyer de la lentille convergente, et dont le bord supérieur, qui s'étend sensiblement horizontalement, engendre la limite clair/sombre, caractérisé par les caractéristiques suivantes :
    a) la partie annulaire (12) du support (9) est de forme circulaire,
    b) sur au moins une partie (11) de sa hauteur, la partie annulaire (12) se rétrécit en diamètre intérieur, considéré dans le sens de la sortie de la lumière,
    c) le petit diamètre intérieur (d) de la partie annulaire (12) correspond au diamètre extérieur de la lentille (2),
    d) la partie annulaire (12) présente des becquets (30) faisant saillie radialement vers l'intérieur, qui sont répartis sur la périphérie ;
    e) les becquets (30) en saillie radiale servent de point de portée pour la lentille (2) qui est emboîtée par le petit diamètre intérieur (d),
    f) une bague d'arrêt élastique (15) est interposée avec précontrainte entre la lentille (2) et la partie annulaire (12) qui se rétrécit vers l'intérieur,
    g) la bague d'arrêt élastique (15) se coince dans une fente formée par la lentille (2) et la partie annulaire (12), sans s'appuyer au fond de la fente, et serre la lentille (2)contre les points de portée (31).
  2. Projecteur de feu de croisement pour véhicule selon la revendication 1, caractérisé en ce que, entre le plan formé par les points de portée (31) et l'extrémité (10) de l'anneau qui présente le plus petit diamètre, la partie annulaire (12) présente des saillies (33) dirigées radialement vers l'intérieur, réparties sur la périphérie, dont les surfaces (34) qui sont dirigées les unes vers les autres, servent de surfaces de centrage pour le bord extérieur de la lentille.
  3. Projecteur de feu de croisement pour véhicule selon la revendication 1 ou 2, caractérisé en ce que, dans le cas où le support (9) est fabriqué par un procédé de fonderie sous pression, un évidement est ménagé au-dessus de chacun des becquets (30) et chacune des saillies (33).
  4. Projecteur de feu de croisement pour véhicule selon une des revendications précédentes, caractérisé en ce que, dans le cas où le support (9) est fabriqué en tôle, les becquets (30) et les saillies (33) sont formés par des régions découpées dans la partie annulaire (12) et repliées radialement vers l'intérieur.
  5. Projecteur de feu de croisement pour véhicule selon une des revendications précédentes, caractérisé en ce qu'entre le diamètre intérieur maximum et le diamètre intérieur minimum, la partie annulaire (12) présente la forme d'un tronc de cône ou d'un segment de sphère.
  6. Projecteur de feu de croisement pour véhicule selon une des revendications précédentes, caractérisé en ce que la bague d'arrêt élastique (15) est appliquée avec précontrainte contre l'arête extérieure périphérique avant (35) de la lentille convergente (2) et les forces de la bague d'arrêt élastique (15) qui agissent sur l'arête (35) sont dirigées vers un point commun situé sur l'axe optique.
  7. Projecteur de feu de croisement pour véhicule selon la revendication 6, caractérisé en ce que l'arête extérieure périphérique (35) de la lentille convergente (2), contre laquelle la bague d'arrêt élastique (15) est appuyée avec précontrainte, présente un arrondi ou un biseau.
EP86104626A 1985-05-10 1986-04-04 Phare anti-éblouissant pour véhicules Expired - Lifetime EP0200929B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86104626T ATE70347T1 (de) 1985-05-10 1986-04-04 Abgeblendeter fahrzeugscheinwerfer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853516812 DE3516812A1 (de) 1985-05-10 1985-05-10 Abgeblendeter fahrzeugscheinwerfer
DE3516812 1985-05-10

Publications (3)

Publication Number Publication Date
EP0200929A2 EP0200929A2 (fr) 1986-11-12
EP0200929A3 EP0200929A3 (en) 1989-03-15
EP0200929B1 true EP0200929B1 (fr) 1991-12-11

Family

ID=6270329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86104626A Expired - Lifetime EP0200929B1 (fr) 1985-05-10 1986-04-04 Phare anti-éblouissant pour véhicules

Country Status (7)

Country Link
EP (1) EP0200929B1 (fr)
JP (1) JPS61284001A (fr)
AT (1) ATE70347T1 (fr)
AU (1) AU573975B2 (fr)
DD (1) DD245939A5 (fr)
DE (1) DE3516812A1 (fr)
ES (1) ES294067Y (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104662357A (zh) * 2012-07-27 2015-05-27 夏普株式会社 照明装置

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516813A1 (de) * 1985-05-10 1986-11-13 Hella KG Hueck & Co, 4780 Lippstadt Abgeblendeter fahrzeugscheinwerfer
DE3529546C1 (de) * 1985-08-17 1987-02-05 Hella Kg Hueck & Co Abgeblendeter Fahrzeugscheinwerfer mit einem ellipsoidfoermigen Reflektor
DE3640773A1 (de) * 1986-11-28 1988-06-09 Hella Kg Hueck & Co Scheinwerfer fuer fahrzeuge nach dem projektionsprinzip
JPS63125302U (fr) * 1987-02-09 1988-08-16
JPH0412562Y2 (fr) * 1987-02-20 1992-03-26
JPS63131006U (fr) * 1987-02-20 1988-08-26
JP2691712B2 (ja) * 1987-06-17 1997-12-17 日産自動車 株式会社 プロジェクタ型の自動車用前照灯
DE3827593A1 (de) * 1988-08-13 1990-02-15 Hella Kg Hueck & Co Abgeblendeter fahrzeugscheinwerfer nach dem projektionsprinzip
DE3827594A1 (de) * 1988-08-13 1990-02-15 Hella Kg Hueck & Co Verfahren zur herstellung und nach dem verfahren hergestelltes gestell fuer einen fahrzeugscheinwerfer nach dem projektionsverfahren
JPH0277809U (fr) * 1988-12-05 1990-06-14
JPH03130103U (fr) * 1990-04-10 1991-12-26
FR2687761B1 (fr) * 1992-02-24 1999-04-02 Valeo Vision Projecteur comportant des moyens perfectionnes d'arret de certaines parties du rayonnement, notamment pour vehicule automobiles.
FR2687762B1 (fr) * 1992-02-24 1999-04-02 Valeo Vision Projecteur a lentille equipe de moyens de montage de la lentille perfectionnes.
DE4334719B4 (de) * 1993-10-12 2004-07-29 Robert Bosch Gmbh Fahrzeugscheinwerfer
FR2753148B1 (fr) * 1996-09-06 1998-12-04 Valeo Vision Projecteur pour vehicule automobile a assemblage simplifie
JPH10199305A (ja) * 1997-01-10 1998-07-31 Koito Mfg Co Ltd 投射型ランプ
DE10140943A1 (de) * 2001-08-21 2003-03-06 Hella Kg Hueck & Co Fahrzeugscheinwerfer
EP2327926B2 (fr) * 2009-11-25 2016-12-14 Hella KGaA Hueck & Co. Unité de lampe pour véhicules et procédé de montage
DE102010020615B4 (de) 2010-05-14 2021-07-22 HELLA GmbH & Co. KGaA Sprengring, Linsenhalter und Scheinwerfer
FR2973478B1 (fr) * 2011-03-31 2019-04-05 Valeo Vision Dispositif de centrage d'une lentille pour dispositif d'eclairage et / ou de signalisation d'un vehicule
JP6155839B2 (ja) * 2013-05-17 2017-07-05 市光工業株式会社 車両用灯具
CN105247274B (zh) 2013-05-17 2018-07-20 市光工业株式会社 车辆用灯具
JP6171207B2 (ja) * 2013-05-17 2017-08-02 市光工業株式会社 車両用灯具

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH55400A (de) * 1911-11-22 1912-08-16 Kaspar Keiser Glaslinse für Laternen
CH98941A (fr) * 1922-01-19 1923-05-01 Ame Des Usines Jean Gallay Soc Appareil d'éclairage pour véhicules.
GB450348A (en) * 1935-09-17 1936-07-15 Leslie Robert Morshead Improvements relating to the projection of light
FR2087318A5 (fr) * 1970-05-14 1971-12-31 Cibie Pierre
DD154122A1 (de) * 1980-11-03 1982-02-24 Reiner Albrecht Haltevorrichtung fuer das optische system eines scheinwerfers
DE3241713A1 (de) * 1982-11-11 1984-05-17 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Abgeblendeter scheinwerfer fuer kraftfahrzeuge
DE8430631U1 (de) * 1984-10-18 1985-02-07 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Abgeblendeter fahrzeugscheinwerfer
DE8430629U1 (de) * 1984-10-18 1985-02-07 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Abgeblendeter fahrzeugscheinwerfer
DE3516813A1 (de) * 1985-05-10 1986-11-13 Hella KG Hueck & Co, 4780 Lippstadt Abgeblendeter fahrzeugscheinwerfer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104662357A (zh) * 2012-07-27 2015-05-27 夏普株式会社 照明装置

Also Published As

Publication number Publication date
JPH0315281B2 (fr) 1991-02-28
AU5649086A (en) 1986-11-13
DD245939A5 (de) 1987-05-20
DE3516812A1 (de) 1986-11-13
ES294067U (es) 1987-02-16
ES294067Y (es) 1987-10-16
EP0200929A2 (fr) 1986-11-12
EP0200929A3 (en) 1989-03-15
ATE70347T1 (de) 1991-12-15
DE3516812C2 (fr) 1987-11-19
AU573975B2 (en) 1988-06-23
JPS61284001A (ja) 1986-12-15

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