JPWO2015122303A1 - 光学ユニットおよび車両用灯具 - Google Patents
光学ユニットおよび車両用灯具 Download PDFInfo
- Publication number
- JPWO2015122303A1 JPWO2015122303A1 JP2015562785A JP2015562785A JPWO2015122303A1 JP WO2015122303 A1 JPWO2015122303 A1 JP WO2015122303A1 JP 2015562785 A JP2015562785 A JP 2015562785A JP 2015562785 A JP2015562785 A JP 2015562785A JP WO2015122303 A1 JPWO2015122303 A1 JP WO2015122303A1
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- optical unit
- rotating
- light
- fan
- 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.)
- Pending
Links
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
- F21S41/30—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
- F21S41/10—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
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/33—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
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors 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
- F21S41/60—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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
- F21S45/435—Forced cooling using gas circulating the gas within a closed system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
図1は、第1の実施の形態に係る車両用前照灯の水平断面図である。車両用前照灯10は、自動車の前端部の右側に搭載される右側前照灯であり、左側に搭載される前照灯と左右対称である以外は同じ構造である。そのため、以下では、右側の車両用前照灯10について詳述し、左側の車両用前照灯については説明を省略する。
図7は、第2の実施の形態に係る車両用灯具100を左上方から見たときの概略斜視図である。第1の実施の形態と同様に、車両用灯具100は、自動車の前端部の右側に搭載される右側前照灯である。
Claims (7)
- 光源と、
回転軸を中心に回転する回転リフレクタであって、所定の角度だけ回転する間に前記光源から出射した光を反射して所望の配光パターンを形成する反射面を有する複数のブレードを回転軸の周方向に有している、回転リフレクタと、
前記回転リフレクタを回転駆動するモータと、
前記回転軸に取り付けられたファンと、
を備えることを特徴とする光学ユニット。 - 前記ファンがブロアファンであることを特徴とする請求項1に記載の光学ユニット。
- 前記ファンは、前記回転リフレクタの反射面と反対の側に取り付けられることを特徴とする請求項1または2に記載の光学ユニット。
- 前記ファンによって発生した風を前記光源または前記モータに導く導風路が設けられ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光学ユニット。
- 前記回転リフレクタの反射面とは反対側の面に複数のフィンが設けられることを特徴とする請求項1ないし4のいずれかに記載の光学ユニット。
- 請求項1ないし5のいずれかに記載の光学ユニットを用いた車両用灯具。
- 車両のアイドリング時、または前記車両用灯具においてロービームを点灯したときから前記ファンを回転させることを特徴とする請求項6に記載の車両用灯具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014024491 | 2014-02-12 | ||
JP2014024491 | 2014-02-12 | ||
PCT/JP2015/052850 WO2015122303A1 (ja) | 2014-02-12 | 2015-02-02 | 光学ユニットおよび車両用灯具 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2015122303A1 true JPWO2015122303A1 (ja) | 2017-03-30 |
Family
ID=53800050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015562785A Pending JPWO2015122303A1 (ja) | 2014-02-12 | 2015-02-02 | 光学ユニットおよび車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9909731B2 (ja) |
JP (1) | JPWO2015122303A1 (ja) |
CN (1) | CN106030197A (ja) |
WO (1) | WO2015122303A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016104319A1 (ja) * | 2014-12-25 | 2016-06-30 | 株式会社小糸製作所 | 点灯回路および車両用灯具 |
WO2016167250A1 (ja) * | 2015-04-17 | 2016-10-20 | 株式会社小糸製作所 | 車両用灯具 |
AT518220B1 (de) | 2016-02-02 | 2017-11-15 | Zkw Group Gmbh | Beleuchtungseinheit für ein Kraftfahrzeug |
CN106762724A (zh) * | 2016-12-01 | 2017-05-31 | 武汉通畅汽车电子照明有限公司 | 小型模块化散热装置 |
CN206608835U (zh) * | 2017-03-28 | 2017-11-03 | 中山市大齐电子有限公司 | 一种新型激光投影灯 |
JP6940310B2 (ja) * | 2017-06-20 | 2021-09-22 | 株式会社小糸製作所 | ランプユニット |
US20200149702A1 (en) * | 2017-06-20 | 2020-05-14 | Koito Manufacturing Co., Ltd. | Lamp unit |
JP2019016442A (ja) * | 2017-07-04 | 2019-01-31 | 株式会社小糸製作所 | ランプユニット |
JP7009097B2 (ja) * | 2017-07-10 | 2022-01-25 | 株式会社小糸製作所 | 光学ユニット |
WO2019073994A1 (ja) * | 2017-10-13 | 2019-04-18 | 株式会社小糸製作所 | 車両用灯具 |
JP7174566B2 (ja) * | 2018-08-10 | 2022-11-17 | 株式会社小糸製作所 | 車両用ランプおよびその点灯制御方法 |
EP3869092A4 (en) | 2018-10-19 | 2021-12-15 | Koito Manufacturing Co., Ltd. | METHOD OF MANUFACTURING A ROTATING REFLECTOR AND ROTATING REFLECTOR |
CN113994140A (zh) * | 2019-06-20 | 2022-01-28 | 株式会社小糸制作所 | 车辆用灯具及车辆用灯具的控制方法 |
CN112432128B (zh) * | 2019-08-26 | 2023-01-06 | 株式会社小糸制作所 | 车辆用灯具 |
JP7433326B2 (ja) * | 2019-08-26 | 2024-02-19 | 株式会社小糸製作所 | 車輌用灯具及び灯具ユニット |
JP7492665B2 (ja) | 2020-05-29 | 2024-05-30 | 日亜化学工業株式会社 | 照明装置、車両及び光の照射方法 |
US11255508B2 (en) | 2020-06-15 | 2022-02-22 | Grote Industries, Inc. | Deicing system for an automotive lamp |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012018762A (ja) * | 2010-07-06 | 2012-01-26 | Seiko Epson Corp | 光源装置およびプロジェクター |
JP2012073524A (ja) * | 2010-09-29 | 2012-04-12 | Sanyo Electric Co Ltd | 投写型映像表示装置 |
JP2012181431A (ja) * | 2011-03-02 | 2012-09-20 | Seiko Epson Corp | 光源装置及びプロジェクター |
JP2012227102A (ja) * | 2011-04-22 | 2012-11-15 | Koito Mfg Co Ltd | 光学ユニット |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102844616B (zh) | 2010-04-13 | 2015-06-10 | 株式会社小糸制作所 | 光学单元、车辆监视装置及障碍物检测装置 |
-
2015
- 2015-02-02 WO PCT/JP2015/052850 patent/WO2015122303A1/ja active Application Filing
- 2015-02-02 CN CN201580008446.1A patent/CN106030197A/zh active Pending
- 2015-02-02 JP JP2015562785A patent/JPWO2015122303A1/ja active Pending
-
2016
- 2016-08-08 US US15/230,528 patent/US9909731B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012018762A (ja) * | 2010-07-06 | 2012-01-26 | Seiko Epson Corp | 光源装置およびプロジェクター |
JP2012073524A (ja) * | 2010-09-29 | 2012-04-12 | Sanyo Electric Co Ltd | 投写型映像表示装置 |
JP2012181431A (ja) * | 2011-03-02 | 2012-09-20 | Seiko Epson Corp | 光源装置及びプロジェクター |
JP2012227102A (ja) * | 2011-04-22 | 2012-11-15 | Koito Mfg Co Ltd | 光学ユニット |
Also Published As
Publication number | Publication date |
---|---|
CN106030197A (zh) | 2016-10-12 |
US9909731B2 (en) | 2018-03-06 |
US20160341390A1 (en) | 2016-11-24 |
WO2015122303A1 (ja) | 2015-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015122303A1 (ja) | 光学ユニットおよび車両用灯具 | |
JP6162497B2 (ja) | ランプユニットおよび車両用灯具 | |
JP5698065B2 (ja) | 障害物検出装置 | |
JP5501878B2 (ja) | 灯具ユニット | |
JP6680537B2 (ja) | 光学ユニットおよび車両用灯具 | |
JP6176988B2 (ja) | 車両用灯具 | |
JP5722691B2 (ja) | 車両用前照灯 | |
JP5815995B2 (ja) | 車両用灯具用の光学ユニット | |
JP5460223B2 (ja) | 車両用灯具 | |
JP2012227102A (ja) | 光学ユニット | |
JP2013004167A (ja) | 車両用前照灯 | |
US10378717B2 (en) | Optical unit having a rotating reflector for a vehicle lamp | |
JP2018067523A (ja) | 光学ユニット | |
JP6445441B2 (ja) | 光学ユニット | |
JPWO2020080512A1 (ja) | 車両用灯具、灯具ユニット及びリフレクタモジュール | |
JP7009097B2 (ja) | 光学ユニット | |
JP2014089990A (ja) | 車両用前照灯 | |
CN110094690B (zh) | 车辆用灯具 | |
KR101606841B1 (ko) | Led 전조등 | |
JP6078276B2 (ja) | 灯具ユニット | |
JP2019021543A (ja) | 車両用灯具 | |
US11415290B2 (en) | Vehicle lamp | |
US11073270B2 (en) | Vehicular headlight | |
JP2019125497A (ja) | 車両用灯具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20171204 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180821 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20181019 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181105 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20190416 |