JP4606021B2 - 横方向光源を備えた自動車両用ヘッドライト - Google Patents
横方向光源を備えた自動車両用ヘッドライト Download PDFInfo
- Publication number
- JP4606021B2 JP4606021B2 JP2003426418A JP2003426418A JP4606021B2 JP 4606021 B2 JP4606021 B2 JP 4606021B2 JP 2003426418 A JP2003426418 A JP 2003426418A JP 2003426418 A JP2003426418 A JP 2003426418A JP 4606021 B2 JP4606021 B2 JP 4606021B2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- optical axis
- light source
- ellipsoidal reflector
- 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.)
- Expired - Fee Related
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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
- F21S41/10—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
- F21S41/17—Discharge light sources
-
- 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
- F21S41/17—Discharge light sources
- F21S41/173—Fluorescent light sources
-
- 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
- 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
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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
- F21S41/40—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
-
- 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
−楕円体反射鏡の内部焦点の近傍に横方向光源が置かれている。
−楕円体反射鏡の壁に、光源の幾何学軸を通り、かつ、楕円体反射鏡の光軸に平行な平面の片側に位置するカットアウト(cutout)が設けられている。
−楕円体反射鏡の前方に、光軸が該楕円体反射鏡の光軸と平行あるいは一致し、かつ、焦点が該楕円体反射鏡の外部焦点に近接したレンズが置かれている。
−幅が広く、かつ、よりショート・レンジのビームを生成する楕円体反射鏡内に収納された光源から、上記レンズによって妨害されることのないロング・レンジ・ビームを生成するべく設計された垂直化反射鏡が、楕円体反射鏡の大部分に対して、カットアウトとは反対側に配列されている。
2 レンズ
3 レンズ2の焦点
4 レンズ2の光軸
5 カバー
6i 光源Sが放出する光線
7、8、9 ファセット
A、B 開口
C1、C2 光条
Fe 楕円体反射鏡R1の外部焦点
Fi 楕円体反射鏡R1の内部焦点
K ハウジング
P ヘッドライト
R1 楕円体反射鏡
R2 垂直化反射鏡
S 横方向光源(バルブ)
Claims (11)
- 反射鏡と、反射鏡の光軸に対して横方向に自由に動く、反射鏡の焦点の近傍に置かれた光源とを備えた自動車両用ヘッドライトであって、
楕円体反射鏡の内部焦点の近傍に横方向光源が置かれ、
前記楕円体反射鏡の壁に、前記横方向光源の幾何学軸を通り、かつ、前記楕円体反射鏡の光軸に平行な平面の片側に位置するカットアウト(1)が設けられ、
前記楕円体反射鏡の前方に、光軸が前記楕円体反射鏡の光軸と平行あるいは一致し、かつ、焦点が前記楕円体反射鏡の外部焦点に近接したレンズが置かれ、
幅が広く、かつ、よりショート・レンジのビームを生成する前記楕円体反射鏡内に収納された光源から、前記レンズによって妨害されることのないロング・レンジ・ビームを生成するべく設計された垂直化反射鏡が、前記楕円体反射鏡の大部分に対して、カットアウトとは反対側に配列されたヘッドライトにおいて、
前記レンズの光軸が、前記楕円体反射鏡の光軸に対して、カットアウトと同じ側に向かってオフセットしている、ことを特徴とするヘッドライト。 - 前記垂直化反射鏡の表面が、前記光源の近傍に位置する焦点を有する、請求項1に記載のヘッドライト。
- 前記垂直化反射鏡が、少なくとも1つの中央ファセットおよび互いの方向に向かって傾斜した2つの横方向ファセットの範囲を定める光条を有する、請求項1または2に記載のヘッドライト。
- 前記垂直化反射鏡によって生成されるビームが、前記光軸の両側に最大±20°の開口を有する、請求項1から3のいずれか一項に記載のヘッドライト。
- 前記楕円体反射鏡によって生成されるビームが、前記光軸の両側に約±40°の開口を有する、前記請求項のいずれか一項に記載のヘッドライト。
- 前記光源の主軸を通り、かつ、前記楕円体反射鏡の光軸に平行な平面が水平であり、この水平平面の上方に前記楕円体反射鏡が位置し、かつ、この水平平面の下方に前記垂直化反射鏡が位置している、前記請求項のいずれか一項に記載のヘッドライト。
- 前記楕円体反射鏡が、放出されるビームが本質的に所定のレベルの下方に位置するよう、外部焦点の近傍に位置するカバーを備え、一方、前記垂直化反射鏡が、ディップドビームのV形カットオフに対応するV形カットオフを生成するべく設計された、ディップドビーム機能を持つ前記請求項のいずれか一項に記載のヘッドライト。
- 前記カバーの上辺が、反射鏡の光軸を通る水平平面の下方、詳細には約1.5mm下方に位置している、ディップドビーム機能を持つ請求項7に記載のヘッドライト。
- 前記レンズが、このレンズの焦点が楕円体反射鏡の外部焦点の後方、詳細には約1.5mm後方に位置するように配列された、前記請求項のいずれか一項に記載のヘッドライト。
- 前記光源の横方向主軸を通り、かつ、前記楕円体反射鏡の光軸に平行な平面が水平であり、前記楕円体反射鏡が、前記光源の主軸を通り、かつ、反射鏡の光軸に平行な水平平面の下方に位置し、かつ、前記垂直化反射鏡がこの平面の上方に位置している、請求項1から5のいずれか一項に記載のヘッドライト。
- 前記光源が放電バルブである、請求項10に記載のヘッドライト。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0216607A FR2849159B1 (fr) | 2002-12-24 | 2002-12-24 | Projecteur a source lumineuse transversale pour vehicule automobile |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004207245A JP2004207245A (ja) | 2004-07-22 |
JP4606021B2 true JP4606021B2 (ja) | 2011-01-05 |
Family
ID=32406476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003426418A Expired - Fee Related JP4606021B2 (ja) | 2002-12-24 | 2003-12-24 | 横方向光源を備えた自動車両用ヘッドライト |
Country Status (7)
Country | Link |
---|---|
US (1) | US7125150B2 (ja) |
EP (1) | EP1433999B1 (ja) |
JP (1) | JP4606021B2 (ja) |
AT (1) | ATE482361T1 (ja) |
DE (1) | DE60334278D1 (ja) |
ES (1) | ES2353377T3 (ja) |
FR (1) | FR2849159B1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4379673B2 (ja) | 2002-10-07 | 2009-12-09 | 株式会社小糸製作所 | 車両用前照灯 |
FR2863342B1 (fr) * | 2003-12-05 | 2007-01-05 | Valeo Vision | Projecteur verticalise pour vehicule automobile |
DE102004001486B4 (de) * | 2004-01-09 | 2010-01-28 | Koito Manufacturing Co., Ltd. | Fahrzeugscheinwerfer |
FR2877421B1 (fr) * | 2004-11-04 | 2007-04-13 | Valeo Vision Sa | Projecteur lumineux, pour vehicule automobile, donnant un faisceau a coupure |
FR2881509B1 (fr) | 2005-02-01 | 2007-03-16 | Valeo Vision Sa | Projecteur verticalise pour vehicule automobile |
US7585096B2 (en) * | 2005-05-18 | 2009-09-08 | Visteon Global Technologies, Inc. | Compound trough reflector for LED light sources |
US7481869B2 (en) | 2005-08-17 | 2009-01-27 | Andrew Llc | Dry gas production systems for pressurizing a space and methods of operating such systems to produce a dry gas stream |
JP4622959B2 (ja) * | 2006-08-10 | 2011-02-02 | 市光工業株式会社 | 車両用前照灯 |
JP2008060022A (ja) * | 2006-09-04 | 2008-03-13 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2008171743A (ja) * | 2007-01-15 | 2008-07-24 | Koito Mfg Co Ltd | 車両用前照灯 |
JP5114155B2 (ja) * | 2007-10-17 | 2013-01-09 | 株式会社小糸製作所 | 車両用前照灯ユニット |
JP4735664B2 (ja) * | 2008-05-14 | 2011-07-27 | 市光工業株式会社 | 車両用灯具 |
JP5414246B2 (ja) * | 2008-11-19 | 2014-02-12 | 株式会社小糸製作所 | 車両用前照灯 |
JP5395410B2 (ja) * | 2008-11-19 | 2014-01-22 | 株式会社小糸製作所 | 車両用前照灯 |
JP5544248B2 (ja) * | 2010-08-24 | 2014-07-09 | 富士重工業株式会社 | 車両用前照灯 |
WO2018114506A1 (en) * | 2016-12-21 | 2018-06-28 | Lumileds Holding B.V. | Projector-type vehicle headlamp |
US11242971B2 (en) * | 2019-12-30 | 2022-02-08 | Valeo North America, Inc. | Reflector for a supplementary beam |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61185801A (ja) * | 1985-02-12 | 1986-08-19 | スタンレー電気株式会社 | 自動車用ヘツドランプ |
JPH0511202U (ja) * | 1991-07-26 | 1993-02-12 | スタンレー電気株式会社 | 車両用前照灯 |
JP2000348509A (ja) * | 1999-06-04 | 2000-12-15 | Stanley Electric Co Ltd | ヘッドランプ |
JP2002050217A (ja) * | 2000-08-04 | 2002-02-15 | Stanley Electric Co Ltd | ヘッドランプ |
JP2003051204A (ja) * | 2001-08-06 | 2003-02-21 | Stanley Electric Co Ltd | 車両用灯具 |
Family Cites Families (13)
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US4180755A (en) * | 1976-12-10 | 1979-12-25 | Corning Glass Works | Sealed beam lamp including filament locating means |
US4241391A (en) * | 1978-02-27 | 1980-12-23 | Westinghouse Electric Corp. | Inner lamp-mount assembly for sealed-beam headlamp and similar lighting apparatus |
DE3101640A1 (de) * | 1981-01-20 | 1982-08-26 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Sealed beam-scheinwerfer |
US4569006A (en) * | 1985-01-15 | 1986-02-04 | Gte Products Corporation | Replaceable lamp unit and automobile headlight utilizing same |
DE3525041C2 (de) * | 1985-07-13 | 1994-06-16 | Bosch Gmbh Robert | Abblendlicht-oder Nebellichtscheinwerfer für Kraftfahrzeuge |
US4795388A (en) * | 1987-02-06 | 1989-01-03 | Gte Products Corporation | Method of making replaceable lamp unit for use in automobile headlight |
JPH01115001A (ja) * | 1987-10-28 | 1989-05-08 | Koito Mfg Co Ltd | 車輌用前照灯 |
DE19704467B4 (de) * | 1997-02-06 | 2006-07-20 | Automotive Lighting Reutlingen Gmbh | Fahrzeug-Scheinwerfer |
FR2774150B1 (fr) | 1998-01-28 | 2000-04-14 | Valeo Vision | Projecteur a source transversale pour vehicule automobile, susceptilble d'emettre un faisceau a coupure nette |
JP2000348513A (ja) * | 1999-05-31 | 2000-12-15 | Stanley Electric Co Ltd | 自動車用灯具 |
JP3964089B2 (ja) * | 2000-01-12 | 2007-08-22 | 株式会社小糸製作所 | 車両用前照灯 |
JP3488960B2 (ja) * | 2000-02-18 | 2004-01-19 | スタンレー電気株式会社 | 車両用前照灯 |
FR2808867B1 (fr) * | 2000-05-11 | 2002-08-23 | Valeo Vision | Projecteur bi-fonction a source lumineuse unique et occulteur mobile pour vehicule automobile |
-
2002
- 2002-12-24 FR FR0216607A patent/FR2849159B1/fr not_active Expired - Fee Related
-
2003
- 2003-12-12 DE DE60334278T patent/DE60334278D1/de not_active Expired - Lifetime
- 2003-12-12 ES ES03293144T patent/ES2353377T3/es not_active Expired - Lifetime
- 2003-12-12 EP EP03293144A patent/EP1433999B1/fr not_active Expired - Lifetime
- 2003-12-12 AT AT03293144T patent/ATE482361T1/de not_active IP Right Cessation
- 2003-12-24 JP JP2003426418A patent/JP4606021B2/ja not_active Expired - Fee Related
- 2003-12-24 US US10/743,710 patent/US7125150B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61185801A (ja) * | 1985-02-12 | 1986-08-19 | スタンレー電気株式会社 | 自動車用ヘツドランプ |
JPH0511202U (ja) * | 1991-07-26 | 1993-02-12 | スタンレー電気株式会社 | 車両用前照灯 |
JP2000348509A (ja) * | 1999-06-04 | 2000-12-15 | Stanley Electric Co Ltd | ヘッドランプ |
JP2002050217A (ja) * | 2000-08-04 | 2002-02-15 | Stanley Electric Co Ltd | ヘッドランプ |
JP2003051204A (ja) * | 2001-08-06 | 2003-02-21 | Stanley Electric Co Ltd | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
US7125150B2 (en) | 2006-10-24 |
ATE482361T1 (de) | 2010-10-15 |
ES2353377T3 (es) | 2011-03-01 |
US20040240223A1 (en) | 2004-12-02 |
EP1433999B1 (fr) | 2010-09-22 |
FR2849159B1 (fr) | 2005-02-18 |
DE60334278D1 (de) | 2010-11-04 |
FR2849159A1 (fr) | 2004-06-25 |
EP1433999A1 (fr) | 2004-06-30 |
JP2004207245A (ja) | 2004-07-22 |
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