JP7233187B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP7233187B2 JP7233187B2 JP2018175160A JP2018175160A JP7233187B2 JP 7233187 B2 JP7233187 B2 JP 7233187B2 JP 2018175160 A JP2018175160 A JP 2018175160A JP 2018175160 A JP2018175160 A JP 2018175160A JP 7233187 B2 JP7233187 B2 JP 7233187B2
- Authority
- JP
- Japan
- Prior art keywords
- blower
- lamp
- support member
- intake
- lamp body
- 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
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- 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
- B60Q1/0088—Details of electrical connections
- B60Q1/0094—Arrangement of electronic circuits separated from the light source, e.g. mounting of housings for starter circuits for discharge lamps
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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
- 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
-
- 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
-
- 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
- B60Q1/0017—Devices integrating an element dedicated to another function
-
- 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
- F21S41/321—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
- 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
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/20—Direction indicator lights
-
- 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)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
Claims (6)
- 前面開口を有する灯具ボディと、
前記前面開口を覆うように前記灯具ボディに取り付けられ、前記灯具ボディとの間に灯室を形成する前面カバーと、
各々が放熱部を有する少なくとも1つの発光素子搭載部を備え、前記灯室内に配置された灯具ユニットと、
前記放熱部に向けて前方に送出される冷却流れと、後方に戻る吸気流れとを含む空気循環流を前記灯室内に生成する送風機と、
前記送風機を前記灯室内で前記灯具ユニットに対して後方に配置するとともに、前記吸気流れが通る吸気空間を前記冷却流れに対して下側に形成するように前記送風機を支持する送風機支持部材と、を備え、
前記送風機支持部材は、前記吸気空間の一部をなす下部通路を前記送風機の下側で前記灯具ボディとの間に形成するとともに、前記送風機の中心軸を含む鉛直断面において前記下部通路よりも狭い上部隙間を前記送風機の上側で前記灯具ボディとの間に形成することを特徴とする車両用灯具。 - 前記灯具ボディは、前記吸気空間の一部をなすボディ凹部を有し、
前記ボディ凹部は、前記下部通路から前記吸気流れを受け入れるとともに、前記吸気流れを前記送風機の吸気口へと方向付けるよう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。 - 前記上部隙間は、5mm以内であることを特徴とする請求項1または2に記載の車両用灯具。
- 前記送風機支持部材は、5mm以内の左部隙間を前記送風機の左側で前記灯具ボディとの間に形成し、5mm以内の右部隙間を前記送風機の右側で前記灯具ボディとの間に形成す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車両用灯具。
- 前記灯室内に配置された内部電子機器をさらに備え、
前記内部電子機器は、前記吸気流れによって冷却されるように前記吸気空間に面して配置されてい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車両用灯具。 - 前記灯具ユニットは、各々が放熱部を有する複数の発光素子搭載部を備え、各発光素子搭載部の放熱部は、前記送風機からの前記冷却流れを各放熱部が受けるように前記送風機の前方に配列され、
前記送風機支持部材は、各放熱部の温度上昇の違いを低減するように前記送風機を正面に対して傾けて支持することを特徴とする請求項1から5のいずれかに記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018175160A JP7233187B2 (ja) | 2018-09-19 | 2018-09-19 | 車両用灯具 |
CN201910832502.3A CN110925709A (zh) | 2018-09-19 | 2019-09-04 | 车辆用灯具 |
US16/572,717 US11060692B2 (en) | 2018-09-19 | 2019-09-17 | Vehicle lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018175160A JP7233187B2 (ja) | 2018-09-19 | 2018-09-19 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020047479A JP2020047479A (ja) | 2020-03-26 |
JP7233187B2 true JP7233187B2 (ja) | 2023-03-06 |
Family
ID=69773841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018175160A Active JP7233187B2 (ja) | 2018-09-19 | 2018-09-19 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11060692B2 (ja) |
JP (1) | JP7233187B2 (ja) |
CN (1) | CN110925709A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220014558A (ko) * | 2020-07-29 | 2022-02-07 | 현대모비스 주식회사 | 차량용 헤드램프 |
JP7446207B2 (ja) * | 2020-11-26 | 2024-03-08 | 株式会社小糸製作所 | 車両用灯具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017104679A1 (ja) | 2015-12-15 | 2017-06-22 | 株式会社小糸製作所 | 車両用灯具 |
JP2018085284A (ja) | 2016-11-25 | 2018-05-31 | スタンレー電気株式会社 | 車両用灯具 |
Family Cites Families (21)
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JP4270153B2 (ja) * | 2005-04-05 | 2009-05-27 | 市光工業株式会社 | 車両用灯具 |
US7329033B2 (en) * | 2005-10-25 | 2008-02-12 | Visteon Global Technologies, Inc. | Convectively cooled headlamp assembly |
JP4992111B2 (ja) * | 2007-09-20 | 2012-08-08 | 株式会社小糸製作所 | 車両用灯具 |
KR100923140B1 (ko) * | 2007-12-18 | 2009-10-23 | 에스엘 주식회사 | Led방열 장치 |
JP5248183B2 (ja) * | 2008-04-22 | 2013-07-31 | 株式会社小糸製作所 | 車両用灯具 |
JP5342553B2 (ja) * | 2008-06-06 | 2013-11-13 | 株式会社小糸製作所 | 車両用灯具 |
JP5160992B2 (ja) * | 2008-07-24 | 2013-03-13 | 株式会社小糸製作所 | 車両用灯具 |
TW201016501A (en) * | 2008-10-24 | 2010-05-01 | Bright Led Electronics Corp | LED vehicle lamp device |
JP2010238604A (ja) * | 2009-03-31 | 2010-10-21 | Koito Mfg Co Ltd | 発光素子モジュール化部材および灯具ユニット |
JP2010262903A (ja) * | 2009-05-11 | 2010-11-18 | Koito Mfg Co Ltd | 車両用灯具 |
TW201043500A (en) * | 2009-06-10 | 2010-12-16 | Man Zai Ind Co Ltd | Heat dissipation device of car lamp and spacer thereof |
FR2946730B1 (fr) * | 2009-06-16 | 2016-02-26 | Valeo Vision | Projecteur pour vehicule automobile equipe de modules optiques qui sont refroidis a partir d'un appareil generateur d'un flux d'air. |
JP2011048923A (ja) * | 2009-08-25 | 2011-03-10 | Stanley Electric Co Ltd | 車両用灯具 |
KR101796115B1 (ko) * | 2010-10-13 | 2017-11-13 | 삼성전자 주식회사 | 헤드램프조립체 및 이를 구비하는 자동차 |
JP6176931B2 (ja) | 2013-01-28 | 2017-08-09 | 株式会社小糸製作所 | 車輌用前照灯 |
KR20160122014A (ko) * | 2015-04-13 | 2016-10-21 | 엘지이노텍 주식회사 | 헤드 램프의 결로 발생 방지 장치 |
JP6600209B2 (ja) * | 2015-09-24 | 2019-10-30 | スタンレー電気株式会社 | 車両用灯具 |
JP6386437B2 (ja) * | 2015-12-08 | 2018-09-05 | トヨタ自動車株式会社 | 車両用ヘッドランプ |
JP6741467B2 (ja) * | 2016-05-12 | 2020-08-19 | 株式会社小糸製作所 | 車両用灯具 |
US10337690B2 (en) * | 2016-11-22 | 2019-07-02 | Osram Sylvania Inc. | Automotive LED module with heat sink and fan |
JP7168354B2 (ja) * | 2018-06-18 | 2022-11-09 | スタンレー電気株式会社 | 車両用灯具 |
-
2018
- 2018-09-19 JP JP2018175160A patent/JP7233187B2/ja active Active
-
2019
- 2019-09-04 CN CN201910832502.3A patent/CN110925709A/zh active Pending
- 2019-09-17 US US16/572,717 patent/US11060692B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017104679A1 (ja) | 2015-12-15 | 2017-06-22 | 株式会社小糸製作所 | 車両用灯具 |
JP2018085284A (ja) | 2016-11-25 | 2018-05-31 | スタンレー電気株式会社 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
US20200088381A1 (en) | 2020-03-19 |
US11060692B2 (en) | 2021-07-13 |
CN110925709A (zh) | 2020-03-27 |
JP2020047479A (ja) | 2020-03-26 |
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