JP2009110759A - プロジェクタ型前照灯 - Google Patents
プロジェクタ型前照灯 Download PDFInfo
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- JP2009110759A JP2009110759A JP2007280267A JP2007280267A JP2009110759A JP 2009110759 A JP2009110759 A JP 2009110759A JP 2007280267 A JP2007280267 A JP 2007280267A JP 2007280267 A JP2007280267 A JP 2007280267A JP 2009110759 A JP2009110759 A JP 2009110759A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 53
- 230000001678 irradiating Effects 0.000 claims 1
- 230000000903 blocking Effects 0.000 abstract 1
- 230000000875 corresponding Effects 0.000 description 4
- 230000003014 reinforcing Effects 0.000 description 3
- 230000003287 optical Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- 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
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
- F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
- F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
-
- 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
-
- 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
- F21S41/60—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
- F21S41/30—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
Abstract
【解決手段】投影レンズ10、半導体光源20及び、前記投影レンズと半導体光源との間に配置されたシェード30を有するプロジェクタ型前照灯において、前記半導体光源の光を反射するロービーム用第1反射面40と、前記ロービーム用第1反射面の開口に先端部を有するプランジャーを備えたソレノイド60と、前記プランジャーの先端部に設けられ前記ソレノイドにより前記ロービーム用第1反射面と略面一となる開口閉塞位置又は前記ロービーム用第1反射面の開口を通過する光と干渉しない開口開放位置のいずれかに位置決めされるロービーム用第2反射面50と、前記ロービーム用第1反射面の外側に配置され、前記半導体光源の光のうち前記ロービーム用第1反射面の開口を通過した光を前方に向けて反射するハイビーム用ハイビーム用反射面70とを備えることを特徴とする。
【選択図】図1
Description
Claims (5)
- 投影レンズ、半導体光源、及び、前記投影レンズと半導体光源との間に配置されたシェードを有するプロジェクタ型前照灯において、
前記半導体光源を包囲するように配置されており、前記半導体光源が発光した光を反射し、前記シェード上縁近傍に設定された焦点に集光させた後、前記投影レンズを介して前方に照射し、ロービーム用配光パターンを形成する反射面であって、前記半導体光源が発光した光の一部を通過させるための開口が形成されたロービーム用第1反射面と、
前記ロービーム用第1反射面の開口に挿入される先端部を有するプランジャーを備えたソレノイドと、
前記プランジャーの先端部に設けられた反射面であって、前記ソレノイドにより、前記ロービーム用第1反射面と略面一となる開口閉塞位置又は前記ロービーム用第1反射面の開口を通過する半導体光源が発光した光と干渉しない開口開放位置のいずれかに位置決めされるロービーム用第2反射面と、
前記ロービーム用第1反射面の外側に配置された反射面であって、前記半導体光源が発光した光のうち前記ロービーム用第1反射面の開口を通過した光を前方に向けて反射し、ハイビーム用配光パターンを形成するハイビーム用反射面と、
を備えることを特徴とするプロジェクタ型前照灯。 - 前記ロービーム用第1反射面の開口は、該第1反射面のうちロービーム用配光パターンのホットゾーンを形成する光を反射する部分に形成されていることを特徴とする請求項1に記載のプロジェクタ型前照灯。
- 前記ロービーム用第2反射面は、前記半導体光源が発光した光のうちロービーム用配光パターンのホットゾーンを形成する光を反射し、前記シェード上縁近傍に設定された焦点に集光させた後、前記投影レンズを介して前方に照射し、ロービーム用配光パターンのホットゾーンを形成することを特徴とする請求項2に記載のプロジェクタ型前照灯。
- 前記ハイビーム用反射面は、ブラケットと一体的に形成されていることを特徴とする請求項1から3のいずれかに記載のプロジェクタ型前照灯。
- ハイビーム又はロービームのいずれかに切り替える切替スイッチがハイビームに切り替えられた場合、前記切り替えスイッチがロービームに切り替えられた場合よりも大きな電流を、前記半導体光源に供給する電流供給手段をさらに備えることを特徴とする請求項1から4のいずれかに記載のプロジェクタ型前照灯。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007280267A JP5055650B2 (ja) | 2007-10-29 | 2007-10-29 | プロジェクタ型前照灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007280267A JP5055650B2 (ja) | 2007-10-29 | 2007-10-29 | プロジェクタ型前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009110759A true JP2009110759A (ja) | 2009-05-21 |
JP5055650B2 JP5055650B2 (ja) | 2012-10-24 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007280267A Expired - Fee Related JP5055650B2 (ja) | 2007-10-29 | 2007-10-29 | プロジェクタ型前照灯 |
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JP (1) | JP5055650B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012128997A (ja) * | 2010-12-14 | 2012-07-05 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2013004167A (ja) * | 2011-06-10 | 2013-01-07 | Koito Mfg Co Ltd | 車両用前照灯 |
KR101922449B1 (ko) * | 2017-03-30 | 2018-11-27 | 주식회사 에이엠에스 | 상향등과 하향등 전환용 led가 설치된 전조등 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11189094A (ja) * | 1997-12-26 | 1999-07-13 | Sumitomo Wiring Syst Ltd | 自動車用フロントランプ・システム |
JP2000215717A (ja) * | 1999-01-25 | 2000-08-04 | Stanley Electric Co Ltd | 車両用前照灯 |
JP2002190202A (ja) * | 2000-10-12 | 2002-07-05 | Koito Mfg Co Ltd | ヘッドランプ |
-
2007
- 2007-10-29 JP JP2007280267A patent/JP5055650B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11189094A (ja) * | 1997-12-26 | 1999-07-13 | Sumitomo Wiring Syst Ltd | 自動車用フロントランプ・システム |
JP2000215717A (ja) * | 1999-01-25 | 2000-08-04 | Stanley Electric Co Ltd | 車両用前照灯 |
JP2002190202A (ja) * | 2000-10-12 | 2002-07-05 | Koito Mfg Co Ltd | ヘッドランプ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012128997A (ja) * | 2010-12-14 | 2012-07-05 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2013004167A (ja) * | 2011-06-10 | 2013-01-07 | Koito Mfg Co Ltd | 車両用前照灯 |
KR101922449B1 (ko) * | 2017-03-30 | 2018-11-27 | 주식회사 에이엠에스 | 상향등과 하향등 전환용 led가 설치된 전조등 |
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JP5055650B2 (ja) | 2012-10-24 |
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