JP4586777B2 - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
- Publication number
- JP4586777B2 JP4586777B2 JP2006218019A JP2006218019A JP4586777B2 JP 4586777 B2 JP4586777 B2 JP 4586777B2 JP 2006218019 A JP2006218019 A JP 2006218019A JP 2006218019 A JP2006218019 A JP 2006218019A JP 4586777 B2 JP4586777 B2 JP 4586777B2
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- JP
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- Prior art keywords
- edge
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- 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.)
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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
- F21S41/60—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
-
- 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
- F21S41/172—High-intensity 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
- F21S41/40—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
Description
2 放電灯(光源)
3 リフレクタ
4 投影レンズ
5、500 シェード
6 ソケット機構
7 発光部
8 フレーム部材
9 透孔
10 反射面
11、110 斜めエッジ
12、120 下水平エッジ
13、130 上水平エッジ
14、140 開口部
15 自走行車線
16 対向車線
17 センターライン
18 自走行車線側の路肩
19 対向車線側の路肩
P、P0 すれ違い用配光パターン
CL1、CL10 斜めカットオフライン
CL2、CL20 上水平カットオフライン
CL3、CL30 下水平カットオフライン
E1、E10 エッジのエルボー点
E2、E20 すれ違い用配光パターンのエルボー点
E3、E30 エッジの交点
E4、E40 すれ違い用配光パターンの交点
IP エリア
HL−HR 水平基準軸(左右の水平線)
VU−VD 垂直基準軸(上下の垂直線)
Z−Z 反射面の光軸
F1 反射面の第1焦点
F2 反射面の第2焦点
Claims (3)
- カットオフラインを有する配光パターンが車両の前方に照射されるプロジェクタタイプの車両用前照灯において、
光源と、
前記光源からの光を反射させるリフレクタと、
前記リフレクタからの反射光を前方に投影する投影レンズと、
前記リフレクタから前記投影レンズに向かう反射光の一部を遮蔽してカットオフラインを有する前記配光パターンを形成するシェードと、
を備え、
前記配光パターンのカットオフラインは、垂直基準軸および水平基準軸を基準として形成されており、斜めカットオフラインと、前記斜めカットオフラインの上端から水平方向に延びる上水平カットオフラインと、前記斜めカットオフラインの下端から水平方向に延びる下水平カットオフラインと、からなり、
前記シェードには、前記斜めカットオフラインを形成する斜めエッジと、前記上水平カットオフラインを形成する下水平エッジと、前記下水平カットオフラインを形成する上水平エッジと、がそれぞれ設けられており、
前記シェードの前記斜めエッジと前記上水平エッジとの交点は、一般の車両用前照灯の基準エルボー点から前記斜めエッジと前記下水平エッジとの交点と反対側に、一般の車両用前照灯の基準エルボー点と基準交点との間の水平方向の距離よりも長い距離、水平方向にずれていて、
前記シェードの前記斜めエッジの傾斜は、一般の車両用前照灯の基準斜めエッジの傾斜よりも緩やかである、
ことを特徴とする車両用前照灯。 - 前記シェードの前記斜めエッジと前記下水平エッジとの交点は、一般の車両用前照灯の基準交点から前記斜めエッジと前記上水平エッジとの交点のずれ方向と同方向に最大で前記垂直基準軸まで水平方向にずれている、
ことを特徴とする請求項1に記載の車両用前照灯。 - 前記シェードの前記斜めエッジと前記上水平エッジとの交点、および、前記シェードの前記斜めエッジと前記下水平エッジとの交点は、それぞれ湾曲形状をなす、
ことを特徴とする請求項1または2に記載の車両用前照灯。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006218019A JP4586777B2 (ja) | 2006-08-10 | 2006-08-10 | 車両用前照灯 |
US11/882,891 US7661861B2 (en) | 2006-08-10 | 2007-08-06 | Vehicle headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006218019A JP4586777B2 (ja) | 2006-08-10 | 2006-08-10 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008041597A JP2008041597A (ja) | 2008-02-21 |
JP4586777B2 true JP4586777B2 (ja) | 2010-11-24 |
Family
ID=39101203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006218019A Active JP4586777B2 (ja) | 2006-08-10 | 2006-08-10 | 車両用前照灯 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7661861B2 (ja) |
JP (1) | JP4586777B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008047025A1 (de) * | 2008-09-13 | 2010-03-18 | Hella Kgaa Hueck & Co. | Verfahren und Vorrichtung zum Steuern von vertikalen Hell-Dunkel-Grenzen bei Scheinwerfern innerhalb eines Schwenkbereichs |
JP5301383B2 (ja) * | 2009-07-29 | 2013-09-25 | 株式会社小糸製作所 | 車両用前照灯装置 |
DE102011002336A1 (de) * | 2011-04-29 | 2012-10-31 | Hella Kgaa Hueck & Co. | Projektionsscheinwerfer für Fahrzeuge |
KR101344427B1 (ko) * | 2012-09-06 | 2013-12-23 | 주식회사 에스엘 서봉 | 차량용 램프 |
JP6307991B2 (ja) * | 2014-04-02 | 2018-04-11 | 市光工業株式会社 | 車両用灯具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0269406U (ja) * | 1988-11-16 | 1990-05-25 | ||
JPH0615206U (ja) * | 1992-07-27 | 1994-02-25 | 株式会社小糸製作所 | 投射型自動車用ヘッドランプ |
JP2006059609A (ja) * | 2004-08-18 | 2006-03-02 | Koito Mfg Co Ltd | 車両用前照灯 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2815310B1 (fr) * | 2000-10-12 | 2003-02-21 | Valeo Vision | Projecteur pour vehicule automobile a ecran d'occultation mobile |
JP2002358805A (ja) * | 2001-05-30 | 2002-12-13 | Koito Mfg Co Ltd | 車輌用前照灯 |
FR2840389B1 (fr) * | 2002-06-04 | 2004-12-03 | Valeo Vision | Projecteur d'eclairage elliptique comportant une source lumineuse secondaire |
-
2006
- 2006-08-10 JP JP2006218019A patent/JP4586777B2/ja active Active
-
2007
- 2007-08-06 US US11/882,891 patent/US7661861B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0269406U (ja) * | 1988-11-16 | 1990-05-25 | ||
JPH0615206U (ja) * | 1992-07-27 | 1994-02-25 | 株式会社小糸製作所 | 投射型自動車用ヘッドランプ |
JP2006059609A (ja) * | 2004-08-18 | 2006-03-02 | Koito Mfg Co Ltd | 車両用前照灯 |
Also Published As
Publication number | Publication date |
---|---|
US20080043486A1 (en) | 2008-02-21 |
US7661861B2 (en) | 2010-02-16 |
JP2008041597A (ja) | 2008-02-21 |
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