JP2020083158A - 車両用前照灯装置 - Google Patents
車両用前照灯装置 Download PDFInfo
- Publication number
- JP2020083158A JP2020083158A JP2018222820A JP2018222820A JP2020083158A JP 2020083158 A JP2020083158 A JP 2020083158A JP 2018222820 A JP2018222820 A JP 2018222820A JP 2018222820 A JP2018222820 A JP 2018222820A JP 2020083158 A JP2020083158 A JP 2020083158A
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- JP
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- Prior art keywords
- vehicle
- light
- headlight
- irradiation
- headlamp
- 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.)
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Classifications
-
- 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
- B60Q1/14—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 having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- 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
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
- F21S41/141—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
- F21S41/10—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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- 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
- F21S41/334—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
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/05—Special features for controlling or switching of the light beam
- B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
-
- 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
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
図2〜図5に示されるように、第1実施形態に係る車両用前照灯装置10が適用された左右一対のハイビームユニット18R、18Lは、それぞれ光(可視光)を出射する光源20R、20Lと、光源20R、20Lから出射された光を反射する回転ミラー30R、30Lと、回転ミラー30R、30Lによって反射した光を透過させて車両12の前方側(外部)へ照射(投影)する単一のレンズ32R、32Lと、を有している。
次に、第2実施形態に係る車両用前照灯装置10について説明する。なお、上記第1実施形態と同等の部位には同じ符号を付して詳細な説明は適宜省略する。
18L ハイビームユニット(第2前照灯)
18R ハイビームユニット(第1前照灯)
20L 光源
20R 光源
21L 光源
21R 光源
30L 回転ミラー
30R 回転ミラー
31L 回転ミラー
31R 回転ミラー
32L レンズ
32R レンズ
34 認識装置(認識手段)
40 制御装置
42 前方車両
Ha ハイビーム配光エリア(配光領域)
DaC 第3非照射領域
DaL 第2非照射領域
DaR 第1非照射領域
Claims (3)
- 光を出射する光源と、前記光源から出射された光を回転しながら反射する回転ミラーと、前記回転ミラーで反射した光を透過させて前方へ照射するレンズと、をそれぞれ有する左右一対の第1前照灯及び第2前照灯と、
前記第1前照灯及び前記第2前照灯で照射して形成する配光領域のうち、前記第1前照灯で照射されない第1非照射領域を前記第2前照灯で照射し、前記第2前照灯で照射されない第2非照射領域を前記第1前照灯で照射するように、前記第1前照灯及び前記第2前照灯のそれぞれにおける前記光源の点灯及び消灯と前記回転ミラーの回転駆動とを制御する制御装置と、
を備えた車両用前照灯装置。 - 前記制御装置は、前記第1前照灯及び前記第2前照灯で照射して形成する配光領域のうち、前記第1前照灯及び前記第2前照灯で照射されない第3非照射領域を形成するように、前記第1前照灯及び前記第2前照灯のそれぞれにおける前記光源の点灯及び消灯と前記回転ミラーの回転駆動とを制御する請求項1に記載の車両用前照灯装置。
- 前方を走行する前方車両を認識する認識手段を備え、
前記制御装置は、前記認識手段によって認識した前方車両に対して前記第3非照射領域を形成する請求項2に記載の車両用前照灯装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018222820A JP7115255B2 (ja) | 2018-11-28 | 2018-11-28 | 車両用前照灯装置 |
DE102019127489.3A DE102019127489A1 (de) | 2018-11-28 | 2019-10-11 | Fahrzeugfrontscheinwerfereinrichtung |
CN201911005868.XA CN111237714B (zh) | 2018-11-28 | 2019-10-22 | 车辆用前照灯装置 |
US16/695,787 US10640034B1 (en) | 2018-11-28 | 2019-11-26 | Vehicle front headlight device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018222820A JP7115255B2 (ja) | 2018-11-28 | 2018-11-28 | 車両用前照灯装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020083158A true JP2020083158A (ja) | 2020-06-04 |
JP7115255B2 JP7115255B2 (ja) | 2022-08-09 |
Family
ID=70461436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018222820A Active JP7115255B2 (ja) | 2018-11-28 | 2018-11-28 | 車両用前照灯装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10640034B1 (ja) |
JP (1) | JP7115255B2 (ja) |
CN (1) | CN111237714B (ja) |
DE (1) | DE102019127489A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10948148B2 (en) * | 2015-05-26 | 2021-03-16 | Lumileds Llc | Lighting device with multiple-focus mode |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012166633A (ja) * | 2011-02-14 | 2012-09-06 | Koito Mfg Co Ltd | 車両用前照灯の配光制御装置 |
WO2018212010A1 (ja) * | 2017-05-17 | 2018-11-22 | 株式会社小糸製作所 | 光学ユニット |
WO2019021914A1 (ja) * | 2017-07-26 | 2019-01-31 | 株式会社小糸製作所 | 灯具ユニットおよび車両用前照灯 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10192124B2 (en) * | 2010-04-13 | 2019-01-29 | Koito Manufacturing Co., Ltd. | Optical unit, vehicle monitor, and obstruction detector |
JP5698065B2 (ja) * | 2011-04-22 | 2015-04-08 | 株式会社小糸製作所 | 障害物検出装置 |
JP6176988B2 (ja) | 2013-04-22 | 2017-08-09 | 株式会社小糸製作所 | 車両用灯具 |
US9873371B2 (en) * | 2014-01-30 | 2018-01-23 | Mitsubishi Electric Corporation | Headlight device |
CN110682857A (zh) * | 2015-04-10 | 2020-01-14 | 麦克赛尔株式会社 | 图像投射装置和图像投射方法 |
JP6782228B2 (ja) * | 2015-04-17 | 2020-11-11 | 株式会社小糸製作所 | 車両用灯具 |
CN107735615B (zh) * | 2015-06-29 | 2021-02-09 | 株式会社小糸制作所 | 车辆用灯具 |
JP6985807B2 (ja) * | 2017-04-18 | 2021-12-22 | 株式会社小糸製作所 | 光学ユニット |
JP6872413B2 (ja) * | 2017-04-28 | 2021-05-19 | 株式会社小糸製作所 | 車両用灯具 |
-
2018
- 2018-11-28 JP JP2018222820A patent/JP7115255B2/ja active Active
-
2019
- 2019-10-11 DE DE102019127489.3A patent/DE102019127489A1/de active Pending
- 2019-10-22 CN CN201911005868.XA patent/CN111237714B/zh active Active
- 2019-11-26 US US16/695,787 patent/US10640034B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012166633A (ja) * | 2011-02-14 | 2012-09-06 | Koito Mfg Co Ltd | 車両用前照灯の配光制御装置 |
WO2018212010A1 (ja) * | 2017-05-17 | 2018-11-22 | 株式会社小糸製作所 | 光学ユニット |
WO2019021914A1 (ja) * | 2017-07-26 | 2019-01-31 | 株式会社小糸製作所 | 灯具ユニットおよび車両用前照灯 |
Also Published As
Publication number | Publication date |
---|---|
US10640034B1 (en) | 2020-05-05 |
JP7115255B2 (ja) | 2022-08-09 |
CN111237714B (zh) | 2022-04-19 |
CN111237714A (zh) | 2020-06-05 |
US20200164793A1 (en) | 2020-05-28 |
DE102019127489A1 (de) | 2020-05-28 |
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