JP2011146213A - 車両用ヘッドランプ - Google Patents
車両用ヘッドランプ Download PDFInfo
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- JP2011146213A JP2011146213A JP2010005395A JP2010005395A JP2011146213A JP 2011146213 A JP2011146213 A JP 2011146213A JP 2010005395 A JP2010005395 A JP 2010005395A JP 2010005395 A JP2010005395 A JP 2010005395A JP 2011146213 A JP2011146213 A JP 2011146213A
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- light
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- ohs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
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- 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
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- 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
-
- 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
- F21S41/40—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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
-
- 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
- F21S41/689—Flaps, i.e. screens pivoting around one of their edges
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
【解決手段】 光源4から出射した光をリフレクタ1で反射し、反射した光の一部をシェード6により遮光した上で集光レンズ3により前方に照射する車両用ヘッドランプであって、シェード6はOHS光を通過させるための開口部613を備えるメインシェード61と、配光のカットラインを得るために後方下方に傾いた状態で設けられるサブシェード62を備え、リフレクタ1は反射した光の一部をサブシェード62の下面に向けて投射し、当該下面で反射した光をOHS光として開口部613を通過させるためのOHS反射領域Soを備える。
【選択図】 図1
Description
次に、本発明の実施の形態を図面を参照して説明する。図1は本発明を自動車のロービーム配光を行うプロジェタク型ヘッドランプに適用した実施形態1の断面図である。反射面が回転楕円面として構成され、その楕円長軸をランプ光軸Lxに一致させた横向き容器状をしたリフレクタ1を有しており、このリフレクタ1の前端開口部には円環状をしたホルダ2が連結され、このホルダ2により集光レンズ3を保持している。前記リフレクタ1内には後部開口1aに嵌合されるソケット5に支持された光源4が装着されている。ここでは光源4として白熱電球、すなわち白熱バルブが用いられている。この光源4は発光点が前記リフレクタ1の第1焦点F1に配置される。また、前記リフレクタ1の第2焦点F2は前記集光レンズ3の後側焦点にほぼ一致されており、この第2焦点F2にシェード6が配設され、前記リフレクタ1とホルダ2とによって挟持された状態で支持されている。
実施形態1のようなヘッドランプをロービーム/ハイビームの両配光を切り替え可能なヘッドランプとして構成した場合、ハイビーム配光時にはシェードをランプ光軸の下方領域にまで退避させるように構成することになる。例えば、シェードを回転アクチュエータ等により回転してリフレクタの反射面の前側領域から退避させる位置に移動させることにより、有効反射領域で反射した光のうち下方に大な角度で反射された光のみをシェードで遮光し、その他の光を透過させて集光レンズで集光して照射することでハイビーム配光を得ることが可能になる。
2 ホルダ
3 集光レンズ
4 光源(白熱バルブ)
6,6A シェード
7 回転アクチュエータ(シェード移動手段)
61 メインシェード
62 サブシェード
611 透光窓
613 開口部
Lx ランプ光軸
θ1,θ2 傾斜角度
Z1,Z2 仮想延長面
P1,P2 交差位置
Su1,Su2 有効反射領域
So OHS反射領域
Claims (4)
- 光源と、この光源から出射した光を集光状態に反射するリフレクタと、このリフレクタで反射した光を前方に照射するための集光レンズと、前記リフレクタで反射した光の一部を遮光して所要の配光を得るためのシェードとを備える車両用ヘッドランプであって、前記シェードは前方上方に向けて照射されるOHS(オーバヘッドサイン)光を通過させるための開口部を備えるメインシェードと、前記配光のカットラインを得るためにメインシェードの上縁から後方下方に傾いた状態で設けられるサブシェードとを備え、前記リフレクタは反射した光の一部を前記サブシェードの下面に向けて投射し、当該下面で反射した光をOHS光としてメインシェードに設けた開口部を通過させるためのOHS反射領域を備えることを特徴とする車両用ヘッドランプ。
- 前記OHS反射領域は、サブシェードの面に沿って延長する仮想延長面が前記リフレクタの反射面と交差する位置よりもランプの前側領域であり、当該位置よりもランプの後側ないし上側の反射領域を前記配光を形成するための有効反射面として構成していることを特徴とする請求項1に記載の車両用ヘッドランプ。
- 前記サブシェードの傾き角度は、サブシェードの面に沿って延長する仮想延長面が前記集光レンズの周縁部またはそれよりも外径側で交差する角度であることを特徴とする請求項2に記載の車両用ヘッドランプ。
- 前記シェードを前記リフレクタ内で進退移動させるシェード手段を備え、前記シェードを進出位置させたときにロービーム配光を形成し、退避させたときにハイビーム配光を形成するロービーム/ハイビーム切替型ヘッドランプとして構成されていることを特徴とする請求項1ないし3のいずれかに記載の車両用ヘッドランプ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010005395A JP5535663B2 (ja) | 2010-01-14 | 2010-01-14 | 車両用ヘッドランプ |
US13/004,448 US8506146B2 (en) | 2010-01-14 | 2011-01-11 | Vehicle head lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010005395A JP5535663B2 (ja) | 2010-01-14 | 2010-01-14 | 車両用ヘッドランプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011146213A true JP2011146213A (ja) | 2011-07-28 |
JP5535663B2 JP5535663B2 (ja) | 2014-07-02 |
Family
ID=44258398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010005395A Expired - Fee Related JP5535663B2 (ja) | 2010-01-14 | 2010-01-14 | 車両用ヘッドランプ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8506146B2 (ja) |
JP (1) | JP5535663B2 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012216408A (ja) * | 2011-03-31 | 2012-11-08 | Ichikoh Ind Ltd | 車両用前照灯 |
JP2013200981A (ja) * | 2012-03-23 | 2013-10-03 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013200980A (ja) * | 2012-03-23 | 2013-10-03 | Stanley Electric Co Ltd | 車両用灯具 |
KR20130136108A (ko) * | 2012-06-04 | 2013-12-12 | 현대모비스 주식회사 | 차량용 조명장치 |
JP2014029772A (ja) * | 2012-07-31 | 2014-02-13 | Koito Mfg Co Ltd | 車両用前照灯 |
KR20140032305A (ko) * | 2012-03-23 | 2014-03-14 | 스탠리 일렉트릭 컴퍼니, 리미티드 | 차량용 조명 기구 |
KR101460729B1 (ko) * | 2012-05-02 | 2014-11-12 | 현대모비스 주식회사 | 자동차의 조명 장치 |
JP2017139145A (ja) * | 2016-02-04 | 2017-08-10 | 市光工業株式会社 | 車両用灯具 |
KR20220091861A (ko) * | 2020-12-24 | 2022-07-01 | 바이오라이트 주식회사 | 개구부쉴드를 가지는 프로젝션램프 구조체에 사용되는 led램프 및 이를 이용하여 할로겐램프를 대체할 수 있는 프로젝션램프 구조체 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US8531285B2 (en) * | 2010-04-13 | 2013-09-10 | Connor Kent Purks | Vehicle turn signaling apparatus that projects a low divergence line onto an adjacent driving lane |
JP2013062068A (ja) * | 2011-09-12 | 2013-04-04 | Denso Corp | 車両用灯具 |
KR101460728B1 (ko) * | 2011-10-13 | 2014-11-12 | 현대모비스 주식회사 | 차량용 램프 장치. |
JP6034608B2 (ja) * | 2012-07-18 | 2016-11-30 | 株式会社小糸製作所 | 車輌用前照灯 |
KR101358423B1 (ko) * | 2012-08-31 | 2014-02-04 | 주식회사 에스엘 서봉 | 차량용 헤드램프 제어 시스템 및 제어 방법 |
EP2894086B1 (en) * | 2012-09-07 | 2017-12-20 | Mitsubishi Electric Corporation | Vehicle headlight device |
DE102012220507A1 (de) * | 2012-11-09 | 2014-05-15 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für einen Scheinwerfer eines Kraftfahrzeugs |
US9528677B2 (en) | 2013-01-28 | 2016-12-27 | Koito Manufacturing Co., Ltd. | Vehicle lamp unit and vehicle headlamp |
AT514161B1 (de) * | 2013-04-09 | 2016-05-15 | Zizala Lichtsysteme Gmbh | Leuchteinheit mit Blende mit zumindest einem Lichtfenster |
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KR101542967B1 (ko) * | 2013-12-26 | 2015-08-07 | 현대자동차 주식회사 | 자동차의 헤드 램프 |
KR101628452B1 (ko) | 2014-03-27 | 2016-06-08 | 현대자동차주식회사 | 자동차용 헤드램프 |
TWI554713B (zh) | 2015-01-28 | 2016-10-21 | 隆達電子股份有限公司 | 發光二極體車頭燈 |
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JP6804213B2 (ja) | 2016-04-15 | 2020-12-23 | 株式会社小糸製作所 | 車両用灯具、および当該車両用灯具を備えた車両 |
JP6774281B2 (ja) | 2016-09-21 | 2020-10-21 | 株式会社小糸製作所 | 車両用前照灯 |
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WO2018135615A1 (ja) * | 2017-01-20 | 2018-07-26 | 市光工業株式会社 | 車両用灯具 |
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CN116670433A (zh) * | 2021-06-07 | 2023-08-29 | 华域视觉科技(上海)有限公司 | 一种照明模组、前照灯和车辆 |
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JP2007179994A (ja) * | 2005-12-28 | 2007-07-12 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2009272129A (ja) * | 2008-05-07 | 2009-11-19 | Ichikoh Ind Ltd | プロジェクタ型ヘッドランプ |
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JP3798723B2 (ja) * | 2002-04-08 | 2006-07-19 | 株式会社小糸製作所 | 車両用前照灯 |
DE10322627A1 (de) * | 2003-05-20 | 2004-12-09 | Hella Kgaa Hueck & Co. | Scheinwerfer für Fahrzeuge |
JP4669434B2 (ja) * | 2006-04-24 | 2011-04-13 | 株式会社小糸製作所 | 車両用前照灯 |
TW200930591A (en) * | 2008-01-02 | 2009-07-16 | Tyc Brother Ind Co Ltd | Projection-type head lamp capable of compensating for light of dark area |
JP5305100B2 (ja) * | 2009-06-04 | 2013-10-02 | スタンレー電気株式会社 | 車両用灯具 |
-
2010
- 2010-01-14 JP JP2010005395A patent/JP5535663B2/ja not_active Expired - Fee Related
-
2011
- 2011-01-11 US US13/004,448 patent/US8506146B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007179994A (ja) * | 2005-12-28 | 2007-07-12 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2009272129A (ja) * | 2008-05-07 | 2009-11-19 | Ichikoh Ind Ltd | プロジェクタ型ヘッドランプ |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012216408A (ja) * | 2011-03-31 | 2012-11-08 | Ichikoh Ind Ltd | 車両用前照灯 |
JP2013200981A (ja) * | 2012-03-23 | 2013-10-03 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013200980A (ja) * | 2012-03-23 | 2013-10-03 | Stanley Electric Co Ltd | 車両用灯具 |
KR20140032305A (ko) * | 2012-03-23 | 2014-03-14 | 스탠리 일렉트릭 컴퍼니, 리미티드 | 차량용 조명 기구 |
KR102006319B1 (ko) * | 2012-03-23 | 2019-08-01 | 스탠리 일렉트릭 컴퍼니, 리미티드 | 차량용 조명 기구 |
KR101460729B1 (ko) * | 2012-05-02 | 2014-11-12 | 현대모비스 주식회사 | 자동차의 조명 장치 |
KR20130136108A (ko) * | 2012-06-04 | 2013-12-12 | 현대모비스 주식회사 | 차량용 조명장치 |
KR101676667B1 (ko) * | 2012-06-04 | 2016-11-16 | 현대모비스 주식회사 | 차량용 조명장치 |
JP2014029772A (ja) * | 2012-07-31 | 2014-02-13 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2017139145A (ja) * | 2016-02-04 | 2017-08-10 | 市光工業株式会社 | 車両用灯具 |
KR20220091861A (ko) * | 2020-12-24 | 2022-07-01 | 바이오라이트 주식회사 | 개구부쉴드를 가지는 프로젝션램프 구조체에 사용되는 led램프 및 이를 이용하여 할로겐램프를 대체할 수 있는 프로젝션램프 구조체 |
KR102475481B1 (ko) * | 2020-12-24 | 2022-12-08 | 바이오라이트 주식회사 | 개구부쉴드를 가지는 프로젝션램프 구조체에 사용되는 led램프 및 이를 이용하여 할로겐램프를 대체할 수 있는 프로젝션램프 구조체 |
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