JP6866795B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6866795B2 JP6866795B2 JP2017144119A JP2017144119A JP6866795B2 JP 6866795 B2 JP6866795 B2 JP 6866795B2 JP 2017144119 A JP2017144119 A JP 2017144119A JP 2017144119 A JP2017144119 A JP 2017144119A JP 6866795 B2 JP6866795 B2 JP 6866795B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- optical member
- lens
- mounting
- fixing
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims description 114
- 238000009826 distribution Methods 0.000 description 18
- 239000000758 substrate Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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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
- F21S41/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/10—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]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel 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
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- 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
-
- 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
- F21S41/265—Composite lenses; Lenses with a patch-like shape
-
- 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
- F21S41/29—Attachment thereof
- F21S41/295—Attachment thereof specially adapted to 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
- F21S41/321—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
- F21S41/40—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
- 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
-
- 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
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting 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
- 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
- F21S45/49—Attachment of the cooling means
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)
Description
Claims (4)
- 固定部材の取付面に設けられた光源と、
前記光源から直接入射された光を前方に照射させるレンズと、
前記光源と前記レンズとの間に設けられる板状の光学部材と、を備え、
前記取付面は、前記光源を挟んで対を為す位置に設けられた一対の固定部と、2つの前記固定部を結ぶ直線と直交する方向で前記光源から離れた位置で前記取付面から突出して設けられた接触部と、を有し、
前記接触部は、前記光源の光軸方向における前記取付面からの突出量が前記固定部よりも大きくされ、
前記光学部材は、一方の縁部に設けた一対の固定箇所が締結部材を介して前記固定部に固定され、他方の縁部に設けた接触箇所が前記接触部に接触されていることを特徴とする車両用灯具。 - 前記光学部材は、前記固定箇所を有する一対の取付片部が連結片部で繋ぎ合わされて構成され、
前記接触箇所は、前記取付片部における前記連結片部側の端部に設けられ、互いに交差する四方のうちの一方のみが前記取付片部に接続された突片状に形成されていることを特徴とする請求項1に記載の車両用灯具。 - 前記連結片部は、前記取付面側に向けて折り曲げられた折曲片部を有し、
前記折曲片部は、前記光源と前記光軸方向で対向する箇所に面取り加工が施されていることを特徴とする請求項2に記載の車両用灯具。 - 前記固定部材は、前記光源からの熱を放熱する放熱部材であり、前記取付面の裏面には複数の放熱フィンが設けられ、
前記固定部は、前記光学部材の前記光源に対する前記光軸方向の位置を設定しつつ、裏面側に突出することなく前記締結部材を受け入れることを特徴とする請求項1から請求項3までのいずれか1項に記載の車両用灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017144119A JP6866795B2 (ja) | 2017-07-26 | 2017-07-26 | 車両用灯具 |
EP18839097.5A EP3660390B1 (en) | 2017-07-26 | 2018-07-26 | Vehicle lamp |
US16/633,759 US10895359B2 (en) | 2017-07-26 | 2018-07-26 | Vehicle lamp |
PCT/JP2018/028034 WO2019022178A1 (ja) | 2017-07-26 | 2018-07-26 | 車両用灯具 |
CN201880049457.8A CN110945282B (zh) | 2017-07-26 | 2018-07-26 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017144119A JP6866795B2 (ja) | 2017-07-26 | 2017-07-26 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019029076A JP2019029076A (ja) | 2019-02-21 |
JP6866795B2 true JP6866795B2 (ja) | 2021-04-28 |
Family
ID=65040862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017144119A Active JP6866795B2 (ja) | 2017-07-26 | 2017-07-26 | 車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10895359B2 (ja) |
EP (1) | EP3660390B1 (ja) |
JP (1) | JP6866795B2 (ja) |
CN (1) | CN110945282B (ja) |
WO (1) | WO2019022178A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3527875A1 (de) * | 2018-02-15 | 2019-08-21 | ZKW Group GmbH | Kraftfahrzeugscheinwerfer mit einem brennglasblech |
CN110173669B (zh) * | 2019-06-25 | 2024-06-18 | 华域视觉科技(上海)有限公司 | 车灯光学元件总成、车灯及汽车 |
EP3757449A1 (de) * | 2019-06-27 | 2020-12-30 | ZKW Group GmbH | Beleuchtungsvorrichtung eines kraftfahrzeugscheinwerfers |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2811408B1 (fr) * | 2000-07-07 | 2002-10-18 | Valeo Vision | Projecteur du genre elliptique notamment pour eclairage de route a photometrie basse amelioree |
FR2861831B1 (fr) * | 2003-10-31 | 2006-01-20 | Valeo Vision | Module d'eclairage pour projecteur de vehicule |
CN201069084Y (zh) * | 2007-04-26 | 2008-06-04 | 重庆宗申技术开发研究有限公司 | 前照灯 |
JP2011243502A (ja) * | 2010-05-20 | 2011-12-01 | Ichikoh Ind Ltd | 車両用灯具 |
JP5767853B2 (ja) * | 2011-05-12 | 2015-08-19 | 株式会社小糸製作所 | 車両用灯具 |
JP6019993B2 (ja) * | 2012-09-24 | 2016-11-02 | 市光工業株式会社 | 車両用前照灯 |
AT513738B1 (de) * | 2012-12-20 | 2014-07-15 | Zizala Lichtsysteme Gmbh | Leuchteinheit für einen Scheinwerfer |
JP6164464B2 (ja) * | 2013-04-25 | 2017-07-19 | スタンレー電気株式会社 | 車両用灯具 |
JP6261303B2 (ja) | 2013-11-29 | 2018-01-17 | スタンレー電気株式会社 | 車両用灯具 |
JP6441652B2 (ja) * | 2014-02-12 | 2018-12-19 | 株式会社小糸製作所 | 車両用灯具 |
EP3173688B1 (en) * | 2014-07-23 | 2021-06-09 | Koito Manufacturing Co., Ltd. | Lighting fixture unit and headlamp for vehicle |
JP6476663B2 (ja) * | 2014-08-29 | 2019-03-06 | 市光工業株式会社 | 車両用灯具 |
FR3025865B1 (fr) * | 2014-09-16 | 2016-12-09 | Valeo Vision | Dispositif d'eclairage d'un vehicule utilisant une lentille optique multisource |
JP6536101B2 (ja) * | 2015-03-16 | 2019-07-03 | 市光工業株式会社 | 車両用灯具 |
JP6648430B2 (ja) * | 2015-07-13 | 2020-02-14 | 市光工業株式会社 | 車両用灯具 |
WO2017086251A1 (ja) * | 2015-11-20 | 2017-05-26 | 株式会社小糸製作所 | 灯具ユニット |
JP6575344B2 (ja) * | 2015-12-15 | 2019-09-18 | 市光工業株式会社 | 車両用灯具 |
-
2017
- 2017-07-26 JP JP2017144119A patent/JP6866795B2/ja active Active
-
2018
- 2018-07-26 CN CN201880049457.8A patent/CN110945282B/zh active Active
- 2018-07-26 WO PCT/JP2018/028034 patent/WO2019022178A1/ja unknown
- 2018-07-26 EP EP18839097.5A patent/EP3660390B1/en active Active
- 2018-07-26 US US16/633,759 patent/US10895359B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20200208800A1 (en) | 2020-07-02 |
JP2019029076A (ja) | 2019-02-21 |
WO2019022178A1 (ja) | 2019-01-31 |
EP3660390A1 (en) | 2020-06-03 |
EP3660390A4 (en) | 2020-12-09 |
CN110945282A (zh) | 2020-03-31 |
EP3660390B1 (en) | 2023-01-18 |
CN110945282B (zh) | 2022-05-10 |
US10895359B2 (en) | 2021-01-19 |
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