JP7263842B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP7263842B2 JP7263842B2 JP2019036437A JP2019036437A JP7263842B2 JP 7263842 B2 JP7263842 B2 JP 7263842B2 JP 2019036437 A JP2019036437 A JP 2019036437A JP 2019036437 A JP2019036437 A JP 2019036437A JP 7263842 B2 JP7263842 B2 JP 7263842B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- reflector
- vehicle lamp
- reflecting
- unit
- 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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Links
- 230000003287 optical effect Effects 0.000 claims description 36
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000011347 resin Substances 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 238000009826 distribution Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000005266 casting Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F21S41/10—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]
-
- 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
- F21S41/36—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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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
2 光源
3 ヒートシンク(放熱部材)
31a 光源固定面(固定面)
37 第2ネジ穴(ネジ穴)
4 リフレクタユニット(リフレクタ)
40a 第1ユニット固定孔(貫通孔、第1貫通孔)
41 反射部
41a 反射面
41b 第1反射面
41c 第2反射面
41d 先端
42 レンズ保持部
42a 保持面
42b 非保持面
43 連結部
43a 開口部
5 シェードユニット(シェード)
50 第2ユニット固定孔(第2貫通孔)
6 投影レンズ
72 ユニット固定ネジ(ネジ)
D 第1傾斜角度(第2反射面41cの傾斜角度)
F 第2傾斜角度(非保持面の角度)
Claims (5)
- 光源と、前記光源から出射した光を反射するリフレクタと、前記リフレクタで反射された光を光軸方向に投影する投影レンズと、を有する車両用灯具において、
前記リフレクタは、前記光源から出射した光を反射する反射面を備える反射部と、前記投影レンズを保持するレンズ保持部と、を一体に有し、
前記反射面は、第1反射面と、前記光源よりも前記レンズ保持部とは反対側に位置し前記第1反射面と連続的に形成した第2反射面と、を有し、
前記レンズ保持部は、前記光軸方向に直交し、前記投影レンズを保持する保持面と、前記保持面とは前記光軸方向の反対側の面である非保持面と、を有し、
前記第2反射面は、前記保持面を基準として、前記第2反射面の先端を前記光源に近づく側に傾斜させた面であり、
前記非保持面の角度は、前記保持面を基準として前記反射部側に前記第2反射面の傾斜角度以上に設定する
ことを特徴とする車両用灯具。 - 請求項1に記載された車両用灯具において、
前記リフレクタは、前記反射部と前記レンズ保持部との間に連結部を一体に有する
ことを特徴とする車両用灯具。 - 請求項2に記載された車両用灯具において、
前記連結部は、開口部を有する
ことを特徴とする車両用灯具。 - 請求項1から3までの何れか一項に記載された車両用灯具において、
前記光源で発生する熱を放熱する放熱部材と、ネジと、を有し、
前記放熱部材は、前記光源の固定面と、前記ネジを固定するネジ穴と、を有し、
前記リフレクタは、前記固定面に前記光源を取り付けるときの方向と同一方向に前記ネジを通すことが可能な貫通孔を有する
ことを特徴とする車両用灯具。 - 請求項4に記載された車両用灯具において、
前記光源から出射された光の一部を遮光するシェードを有し、
前記シェードは、前記貫通孔を第1貫通孔とするとき、前記同一方向に前記ネジを通すことが可能な第2貫通孔を有する
ことを特徴とする車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019036437A JP7263842B2 (ja) | 2019-02-28 | 2019-02-28 | 車両用灯具 |
CN202010125199.6A CN111623305B (zh) | 2019-02-28 | 2020-02-27 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019036437A JP7263842B2 (ja) | 2019-02-28 | 2019-02-28 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020140888A JP2020140888A (ja) | 2020-09-03 |
JP7263842B2 true JP7263842B2 (ja) | 2023-04-25 |
Family
ID=72269361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019036437A Active JP7263842B2 (ja) | 2019-02-28 | 2019-02-28 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7263842B2 (ja) |
CN (1) | CN111623305B (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004079353A (ja) | 2002-08-19 | 2004-03-11 | Koito Mfg Co Ltd | 車両用灯具 |
JP2011150993A (ja) | 2009-12-25 | 2011-08-04 | Koito Mfg Co Ltd | 車輌用前照灯 |
JP2013211219A (ja) | 2012-03-30 | 2013-10-10 | Koito Mfg Co Ltd | 鉄道車両用前照灯 |
JP2014186999A (ja) | 2013-11-27 | 2014-10-02 | Iris Ohyama Inc | 照明装置 |
US20150103545A1 (en) | 2013-10-11 | 2015-04-16 | Koito Manufacturing Co., Ltd. | Vehicle lamp and method of manufacturing the same |
CN106838758A (zh) | 2015-12-04 | 2017-06-13 | 松下知识产权经营株式会社 | 前照灯以及移动体 |
JP2018152321A (ja) | 2017-03-15 | 2018-09-27 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4926771B2 (ja) * | 2007-03-15 | 2012-05-09 | 株式会社小糸製作所 | 車両用灯具ユニット |
JP2015002128A (ja) * | 2013-06-17 | 2015-01-05 | 株式会社小糸製作所 | 車両用灯具 |
JP2016197511A (ja) * | 2015-04-02 | 2016-11-24 | 市光工業株式会社 | 車両用灯具 |
JP2019520672A (ja) * | 2016-06-03 | 2019-07-18 | ルミレッズ ホールディング ベーフェー | 2個のフィラメントを用いた車両用ヘッドライト及びそうしたランプのリフレクタの中での取り付け |
FR3063795B1 (fr) * | 2017-03-13 | 2019-04-05 | Valeo Vision | Dispositif lumineux, notamment d'eclairage et/ou de signalisation, pour vehicule automobile |
-
2019
- 2019-02-28 JP JP2019036437A patent/JP7263842B2/ja active Active
-
2020
- 2020-02-27 CN CN202010125199.6A patent/CN111623305B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004079353A (ja) | 2002-08-19 | 2004-03-11 | Koito Mfg Co Ltd | 車両用灯具 |
JP2011150993A (ja) | 2009-12-25 | 2011-08-04 | Koito Mfg Co Ltd | 車輌用前照灯 |
JP2013211219A (ja) | 2012-03-30 | 2013-10-10 | Koito Mfg Co Ltd | 鉄道車両用前照灯 |
US20150103545A1 (en) | 2013-10-11 | 2015-04-16 | Koito Manufacturing Co., Ltd. | Vehicle lamp and method of manufacturing the same |
JP2014186999A (ja) | 2013-11-27 | 2014-10-02 | Iris Ohyama Inc | 照明装置 |
CN106838758A (zh) | 2015-12-04 | 2017-06-13 | 松下知识产权经营株式会社 | 前照灯以及移动体 |
JP2018152321A (ja) | 2017-03-15 | 2018-09-27 | 株式会社小糸製作所 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
CN111623305A (zh) | 2020-09-04 |
CN111623305B (zh) | 2024-10-25 |
JP2020140888A (ja) | 2020-09-03 |
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