EP0212211B1 - Phare de croisement à réflecteur elliptique - Google Patents

Phare de croisement à réflecteur elliptique Download PDF

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Publication number
EP0212211B1
EP0212211B1 EP86109425A EP86109425A EP0212211B1 EP 0212211 B1 EP0212211 B1 EP 0212211B1 EP 86109425 A EP86109425 A EP 86109425A EP 86109425 A EP86109425 A EP 86109425A EP 0212211 B1 EP0212211 B1 EP 0212211B1
Authority
EP
European Patent Office
Prior art keywords
collimating lens
lens
headlight
reflector
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
EP86109425A
Other languages
German (de)
English (en)
Other versions
EP0212211A3 (en
EP0212211A2 (fr
Inventor
Pietro-Antonio Dipl.-Ing. Mazziotti
Wolfgang Dipl.-Ing. Peitz
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 AT86109425T priority Critical patent/ATE97218T1/de
Publication of EP0212211A2 publication Critical patent/EP0212211A2/fr
Publication of EP0212211A3 publication Critical patent/EP0212211A3/de
Application granted granted Critical
Publication of EP0212211B1 publication Critical patent/EP0212211B1/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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/168—Incandescent light sources, e.g. filament or halogen lamps having a filament arranged transversally to the optical axis of the illuminating device
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Definitions

  • the invention relates to a dimmed vehicle headlamp with an ellipsoidal reflector, with a light source arranged in the first focal point of the reflector, with a converging lens arranged in the beam path behind the second focal point, which is inserted into a flat part of a frame corresponding to the size of the lens.
  • which has an angled edge towards the headlight inside, which merges into the support arms, which are attached with their free end to the outer edge of the reflector, with an aperture arranged between the collecting lens and the reflector in the focal point of the collecting lens, the upper, essentially horizontally running edge of which is the light / Dark border is generated and with a translucent cover plate covering the converging lens with edge areas protruding in the radial direction.
  • a dimmed vehicle headlight of this type is known from DE-U 84 30 630, in which the flat part of the frame receiving the collecting lens has a circumferential edge which is angled toward the headlight interior for stiffening. The edge merges into the support arms which are attached with their free end to the outer reflector edge. The aperture arranged at the focal point of the converging lens is attached to two support arms.
  • light rays emerging directly from the light source pass between the flat part of the frame and the outer boundary of the headlamp.
  • the upward light beams not only dazzle an oncoming driver, but there is also self-glare from the light beams reflected in fog, rain or snow.
  • a dimmed vehicle headlight in which the converging lens is surrounded by a translucent disk which directs the interference rays emerging directly from the light source in the desired direction. It has been shown here that the driver is not completely switched off by reflected interference rays in fog, rain or snow.
  • the translucent pane surrounding the converging lens should be made of highly heat-resistant material because of the high temperatures occurring in the converging lens. This makes the translucent pane very expensive to manufacture.
  • the object of the invention is to design the dimmed vehicle headlights described in the generic term in such a way that both direct from the light source on the radially projecting edge regions of the cover plate impinging and upwardly directed light beams and the view through the edge regions of the cover plate into the headlight interior are shielded are without increasing the manufacturing costs and complicating the assembly.
  • Such a headlamp has a uniform appearance when switched off, since light rays hitting the edge angled toward the headlamp interior are not reflected to the outside and produce a bright ring around the converging lens, but are reflected into the interior of the headlamp.
  • the upper edge section of the frame can be angled at an angle of 90 ° to the headlight interior, while in the case of a higher headlight it is advantageous if the upper edge section of the frame is exposed to the outside at an acute angle to the optical axis.
  • planar part of the frame receiving the converging lens is rectangular and the frame and the edge sections of the rectangular part which are angled towards the headlight or run at an acute angle to the optical axis are made in one piece from a sheet metal plate and the edge sections are cut free between two adjacent support arms and bent outwards.
  • the surfaces of the frame facing the translucent cover pane are designed to be reflective.
  • the appearance of the headlamp according to the projection principle when switched off is very similar to a conventional headlamp.
  • a vehicle headlight for fog is shown, the rectangular, translucent cover plate (1) is glued at its outer peripheral edge to the frame (2) which is screwed to the housing (3) of the headlight (not shown).
  • the frame (2) has a sleeve-shaped section (4) which is directed into the headlight interior and which is fixed with its free end to the outer circumferential edge (5) of the reflector (6).
  • the inner reflection surface of the reflector (6) forms a semi-ellipse in the axial central sections.
  • the apex (S) and the associated inner focal point (F) of the semi-ellipses are congruent.
  • the eccentricity of the ellipses increases from the vertical axial central section to the horizontal axial central section.
  • the reflector (6) can also be designed as a strict ellipsoid of revolution.
  • the incandescent lamp (7) is inserted into an opening (8) made to the side of the reflector (6) so that the depth for the retrofittable headlight is as small as possible.
  • the filament of the incandescent lamp (7) is arranged in the inner focal point (F) of the reflector (6) and has a lengthwise extension transverse to the optical axis.
  • the converging lens (9) and the diaphragm (10) arranged in the focal point of the converging lens are firmly inserted into the annular, planar part (11) of the frame (12) made of sheet metal.
  • the outer dimensions of the ring-shaped part (11) correspond to a rectangle, which on its four edges each has an edge section (13, 14, 15 and 16) that is angled toward the headlight interior.
  • the lateral edge sections (13 and 14) or the upper and lower edge sections (15 and 16) are at an acute angle ( ⁇ or ⁇ ) to the optical axis.
  • the edge sections (13 and 14) which spring back into the headlight interior, merge into support arms (17), which run in the longitudinal direction parallel to the optical axis and with the free end (20) angled outwards on the reflector edge (5). are fixed.
  • the edge sections (13, 14 and 15) extend so far into the headlight interior that both the light directed directly from the incandescent lamp (7) onto the edge regions of the cover plate (1) projecting radially beyond the collecting lens and the view through the edge regions of the cover plate (1) are shielded into the headlight interior.
  • the lower edge section (16) only serves to stiffen the rectangular part (11).

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)

Claims (5)

  1. Phare anti-éblouissant de véhicule, comportant un réflecteur (6) en forme d'ellipsoïde, une source de lumière (7) disposée au premier foyer du réflecteur, et une lentille convergente (9) disposée sur le chemin de marche des rayons, derrière le second foyer, et insérée dans une partie de surface plane correspondant à la grandeur de la lentille, d'un châssis (12) qui présente un bord (13, 14, 15, 16) coudé en direction de l'intérieur du phare et se raccordant à des bras de support (17) qui sont fixés par leur extrémité libre, sur le bord extérieur du réflecteur, l'ensemble comportant également, disposé entre la lentille convergente (9) et le réflecteur, au foyer de la lentille convergente, un écran (10) dont le bord supérieur s'étendant sensiblement de manière horizontale, engendre la limite claire-obscure, le phare comprenant en outre une glace de recouvrement (1) transparente, recouvrant la lentille convergente (9) et comportant des zones de bordure faisant saillie de la lentille convergente (9) en direction radiale, caractérisé en ce que le châssis (12) portant la lentille convergente (9), comporte au-dessus du plan médian horizontal (18) du phare, un tronçon de bordure supérieur (15) coudé en direction de l'intérieur du phare, ainsi que des tronçons de bordure latéraux (13, 14) s'écartant vers l'extérieur en formant un angle aigu (α) avec l'axe optique, qui s'étendent suffisamment vers l'intérieur du phare pour former écran aussi bien aux rayons lumineux dirigés vers le haut, et arrivant directement de la source de lumière (7) sur les zones de bordure de la glace de recouvrement (1), qui font saillie radialement de la lentille convergente (9), qu'à la vue vers l'intérieur du phare, au travers des zones de bordure de la glace de recouvrement.
  2. Phare anti-éblouissant de véhicule, selon la revendication 1, caractérisé en ce que le tronçon de bordure supérieur (15) du châssis (12), s'écarte vers l'extérieur en formant un angle aigu (β) avec l'axe optique.
  3. Phare anti-éblouissant de véhicule, selon la revendication 1 ou 2, caractérisé en ce que la partie (11) de surface plane du châssis (12), recevant la lentille convergente (9), est de configuration rectangulaire, et en ce que le châssis (12) et les tronçons de bordure (13, 14, 15) de la partie rectangulaire (11), coudés vers l'intérieur du phare en s'étendant de manière à former un angle aigu avec l'axe optique, sont fabriqués d'un seul tenant à partir d'une plaque de tôle.
  4. Phare anti-éblouissant de véhicule, selon la revendication 3, caractérisé en ce que les tronçons de bordure (13 et 14) de la partie rectangulaire (11), coudés vers l'intérieur du phare et s'étendant de manière à former un angle aigu (α) avec l'axe optique, sont découpés entre deux bras de support (17) voisins et s'écartent vers l'extérieur.
  5. Phare anti-éblouissant de véhicule, selon l'une des revendications 1 à 3, caractérisé en ce que les surfaces du châssis (12) dirigées vers la glace de recouvrement (1) transparente, sont de configuration réfléchissante.
EP86109425A 1985-08-17 1986-07-10 Phare de croisement à réflecteur elliptique Expired - Lifetime EP0212211B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86109425T ATE97218T1 (de) 1985-08-17 1986-07-10 Abgeblendeter fahrzeugscheinwerfer mit einem ellipsoidfoermigen reflektor.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3529546 1985-08-17
DE3529546A DE3529546C1 (de) 1985-08-17 1985-08-17 Abgeblendeter Fahrzeugscheinwerfer mit einem ellipsoidfoermigen Reflektor

Publications (3)

Publication Number Publication Date
EP0212211A2 EP0212211A2 (fr) 1987-03-04
EP0212211A3 EP0212211A3 (en) 1990-01-10
EP0212211B1 true EP0212211B1 (fr) 1993-11-10

Family

ID=6278777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109425A Expired - Lifetime EP0212211B1 (fr) 1985-08-17 1986-07-10 Phare de croisement à réflecteur elliptique

Country Status (7)

Country Link
US (1) US4677532A (fr)
EP (1) EP0212211B1 (fr)
AT (1) ATE97218T1 (fr)
AU (1) AU587482B2 (fr)
DD (1) DD248854A5 (fr)
DE (1) DE3529546C1 (fr)
ES (1) ES2001083A6 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738831A1 (de) * 1997-09-05 1999-05-20 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge

Families Citing this family (31)

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AT396675B (de) * 1985-12-04 1993-11-25 Zizala Lichtsysteme Gmbh Fahrzeugleuchte
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
FR2621100A1 (fr) * 1987-09-30 1989-03-31 Koito Mfg Co Ltd Feu avant de type a double faisceau pour vehicule automobile
IT1211411B (it) * 1987-10-21 1989-10-18 Carello Spa Te per veicoli proiettore ellittico particolarmen
JPH07118205B2 (ja) * 1988-05-13 1995-12-18 日産自動車株式会社 車両用前照灯
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
US5005439A (en) * 1989-07-14 1991-04-09 Barry Wright Corporation Inertia force generating device
JPH0817043B2 (ja) * 1989-09-13 1996-02-21 株式会社小糸製作所 車輌用灯具
JPH03101001A (ja) * 1989-09-13 1991-04-25 Koito Mfg Co Ltd 車輌用灯具
US5117335A (en) * 1989-12-28 1992-05-26 Koito Manufacturing Co., Ltd. Headlight for vehicle
US5287258A (en) * 1990-04-04 1994-02-15 Robert Bosch Gmbh Headlamp for motor vehicles
JPH0821243B2 (ja) * 1990-06-19 1996-03-04 株式会社小糸製作所 投射型自動車用ヘッドランプ
JPH0821244B2 (ja) * 1990-06-19 1996-03-04 株式会社小糸製作所 自動車用ヘッドランプ
JP2593966B2 (ja) * 1991-02-25 1997-03-26 株式会社小糸製作所 投射型自動車用ヘッドランプ
JP3007265B2 (ja) * 1994-05-24 2000-02-07 株式会社小糸製作所 自動車用灯具
FR2735848B1 (fr) * 1995-06-22 1997-08-22 Valeo Vision Projecteur du genre elliptique a miroir perfectionne pour vehicule automobile
US5730521A (en) * 1996-05-13 1998-03-24 International Sports Lighting, Inc. Glare control sports lighting luminaire
DE19906527A1 (de) * 1999-02-17 2000-08-31 Volkswagen Ag Fahrzeugscheinwerfer
JP4379673B2 (ja) 2002-10-07 2009-12-09 株式会社小糸製作所 車両用前照灯
JP4264319B2 (ja) * 2003-09-24 2009-05-13 株式会社小糸製作所 車両用前照灯
DE102004001486B4 (de) * 2004-01-09 2010-01-28 Koito Manufacturing Co., Ltd. Fahrzeugscheinwerfer
JP4264364B2 (ja) * 2004-01-27 2009-05-13 株式会社小糸製作所 車両用前照灯
JP2005251435A (ja) * 2004-03-01 2005-09-15 Koito Mfg Co Ltd 車両用前照灯
JP4343003B2 (ja) * 2004-03-31 2009-10-14 株式会社小糸製作所 車両用前照灯
MXPA06011736A (es) * 2004-04-08 2007-01-25 Federal Mogul Corp Lampara de luz de proyector con correccion de aberracion cromatica.
FR2883066B1 (fr) * 2005-03-08 2007-05-11 Valeo Vision Sa Projecteur lumineux a plusieurs fonctions pour vehicule automobile
FR2887960B1 (fr) * 2005-06-30 2009-11-20 Valeo Vision Dispositif projecteur antibrouillard avec lentille de projection.
DE102007031253B4 (de) 2007-07-04 2013-03-28 Automotive Lighting Reutlingen Gmbh Kompakter Ellipsoidscheinwerfer
DE102009022438A1 (de) 2009-05-23 2010-11-25 Automotive Lighting Reutlingen Gmbh Frontbeleuchtungssystem für ein Fahrzeug
DE102010061460A1 (de) * 2010-12-22 2012-06-28 Hella Kgaa Hueck & Co. Projektionsmodul für Fahrzeugscheinwerfer
CN106969306B (zh) * 2016-01-13 2019-10-22 市光法雷奥（佛山）汽车照明系统有限公司 用于机动车辆的侧发光直立式照明装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738831A1 (de) * 1997-09-05 1999-05-20 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge

Also Published As

Publication number Publication date
DD248854A5 (de) 1987-08-19
EP0212211A3 (en) 1990-01-10
ATE97218T1 (de) 1993-11-15
EP0212211A2 (fr) 1987-03-04
DE3529546C1 (de) 1987-02-05
ES2001083A6 (es) 1988-04-16
US4677532A (en) 1987-06-30
AU587482B2 (en) 1989-08-17
AU6071686A (en) 1987-02-19

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