JP6619641B2 - 光源ユニット、及び、それを用いた灯具 - Google Patents
光源ユニット、及び、それを用いた灯具 Download PDFInfo
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- JP6619641B2 JP6619641B2 JP2015243105A JP2015243105A JP6619641B2 JP 6619641 B2 JP6619641 B2 JP 6619641B2 JP 2015243105 A JP2015243105 A JP 2015243105A JP 2015243105 A JP2015243105 A JP 2015243105A JP 6619641 B2 JP6619641 B2 JP 6619641B2
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- Prior art keywords
- heat
- light source
- source unit
- lamp
- pin terminal
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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
- F21S41/192—Details of lamp holders, terminals or connectors
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
-
- 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
- F21S41/27—Thick 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular 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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- 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
- F21S45/49—Attachment of the cooling means
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting 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
- F21S41/29—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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
-
- 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
- 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
- F21Y2115/30—Semiconductor lasers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Semiconductor Lasers (AREA)
Description
一方、本発明の光源ユニットでは、放熱部材の膨張に応じてピン端子に加わる力が緩和されるように緩和部材が設けられており、当該緩和部材は温度の上昇に応じて体積が収縮する負の熱膨張性を有している。このため、発熱部品本体の熱に起因して放熱部材が膨張する場合があっても、緩和部材がその放熱部材の膨張を緩和するように作用する。
したがって、本発明の光源ユニットでは、緩和部材が省略された場合に比べると、放熱部材の膨張に応じてピン端子の長手方向に引っ張るようにピン端子に生じる力が弱まることになり、当該ピン端子と基板の配線との通電不良が生じることが低減される。
図1は、第1実施形態における灯具の概略を示す断面図である。図1に示すように、本実施形態の灯具1は、車両に用いられる灯具であって車両前方に配置される車両用前照灯である。この灯具1は、筐体2と、当該筐体内に収容される灯具ユニット3とを備える。
筐体2は、ランプハウジング11、透光カバー12及びバックカバー13を主な構成要素として備える。ランプハウジング11の前方には開口11Aが形成されており、当該開口11Aを塞ぐように透明の透光カバー12がランプハウジング11に固定されている。また、ランプハウジング11の後方には前方よりも小さな開口11Bが形成されており、当該開口11Bを塞ぐようにバックカバー13がランプハウジング11に固定されている。
灯具ユニット3は、ベースプレート20、光源ユニット30、光制御ユニット40、放熱ユニット50及び光学ユニット60を主な構成要素として備える。
図2は、第1実施形態における光源ユニット30の概略を示す断面図である。図2に示すように、本実施形態の光源ユニット30は、基板31、放熱部材32、発光部品33及び緩和部材34を主な構成要素として備える。
本実施形態の光源ユニット30における構成要素のうち第1実施形態と同一又は同等の構成要素については上記第1実施形態と同一の参照符号を付し、当該第1実施形態と重複する説明は適宜省略する。
上記第1実施形態では板状の緩和部材34が放熱部材32と基板31との間に配置され、上記第2実施形態では粒子状の緩和部材74が放熱部材32に分散された。しかしながら、緩和部材は上記第1実施形態又は上記第2実施形態に限定されるものではない。例えば、上記第1実施形態又は上記第2実施形態における管状の絶縁部材37が、BiNi1-xFexO3又はSrCu3Fe4O12等の材料を用いて緩和部材とされていても良い。
2・・・筐体
3・・・灯具ユニット
20・・・ベースプレート
30・・・光源ユニット
31・・・基板
32・・・放熱部材
33・・・発光部品
34,74・・・緩和部材
35A・・・配線
35B・・・サーミスタ
35C・・・コネクタ
36・・・半田
40・・・光制御ユニット
50・・・放熱ユニット
60・・・光学ユニット
Claims (3)
- 温度の上昇に応じて体積が膨張する正の膨張性を有する放熱部材と、
前記放熱部材を貫通する貫通孔の一方の開口側において前記放熱部材に固定される発熱部品本体、および、前記発熱部品本体に接続され前記貫通孔に挿通されるピン端子を有する発熱部品と、
前記貫通孔の他方の開口側において前記放熱部材に固定され、前記他方の開口から突出するピン端子と接続される配線を有する基板と、
温度の上昇に応じて体積が収縮する負の熱膨張性を有し、前記放熱部材の膨張に応じて前記ピン端子に加わる力が緩和されるように設けられる緩和部材と、
を備え、
前記緩和部材は板状であり、前記放熱部材と前記基板との間に配置される
ことを特徴とする光源ユニット。 - 前記請求項1に記載の光源ユニット
を備えることを特徴とする灯具。 - 前記光源ユニットは、車両に用いられる
ことを特徴とする請求項2に記載の灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015243105A JP6619641B2 (ja) | 2015-12-14 | 2015-12-14 | 光源ユニット、及び、それを用いた灯具 |
CN201611141188.7A CN106870965B (zh) | 2015-12-14 | 2016-12-12 | 光源单元以及使用该光源单元的灯具 |
US15/376,981 US10208942B2 (en) | 2015-12-14 | 2016-12-13 | Light source unit and lamp |
FR1662368A FR3045136A1 (fr) | 2015-12-14 | 2016-12-13 | Unite de source de lumiere et feu |
DE102016124193.8A DE102016124193A1 (de) | 2015-12-14 | 2016-12-13 | Lichtquelleneinheit und Leuchte |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015243105A JP6619641B2 (ja) | 2015-12-14 | 2015-12-14 | 光源ユニット、及び、それを用いた灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017111862A JP2017111862A (ja) | 2017-06-22 |
JP6619641B2 true JP6619641B2 (ja) | 2019-12-11 |
Family
ID=58773252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015243105A Active JP6619641B2 (ja) | 2015-12-14 | 2015-12-14 | 光源ユニット、及び、それを用いた灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10208942B2 (ja) |
JP (1) | JP6619641B2 (ja) |
CN (1) | CN106870965B (ja) |
DE (1) | DE102016124193A1 (ja) |
FR (1) | FR3045136A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6581496B2 (ja) * | 2015-12-22 | 2019-09-25 | 株式会社小糸製作所 | 光源モジュール、及び、それを用いた灯具 |
JP6971441B2 (ja) * | 2017-09-28 | 2021-11-24 | 日亜化学工業株式会社 | 光源モジュールおよびその製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4967329A (en) * | 1990-03-22 | 1990-10-30 | Eaton Corporation | Lens mounting and seal for illuminated apparatus |
JP2005252219A (ja) * | 2004-02-06 | 2005-09-15 | Toyoda Gosei Co Ltd | 発光装置及び封止部材 |
JP2006278361A (ja) | 2005-03-28 | 2006-10-12 | Sharp Corp | 半導体発光装置モジュール |
JP5457851B2 (ja) * | 2010-01-19 | 2014-04-02 | パナソニック株式会社 | 照明器具 |
CN102959324A (zh) * | 2010-05-04 | 2013-03-06 | 照明器控股有限公司 | 热塑性塑料桩安装***和方法 |
EP2593714A2 (en) * | 2010-07-12 | 2013-05-22 | iLumisys, Inc. | Circuit board mount for led light tube |
JP5795187B2 (ja) | 2010-08-12 | 2015-10-14 | キヤノン株式会社 | 対熱膨張性樹脂および対熱膨張性金属 |
JP5817313B2 (ja) | 2011-08-09 | 2015-11-18 | セイコーエプソン株式会社 | 光源装置及びプロジェクター |
CN103982868B (zh) | 2014-04-30 | 2018-09-07 | 合肥京东方显示光源有限公司 | 一种自缓冲元件及其制备方法、背光模组、显示装置 |
-
2015
- 2015-12-14 JP JP2015243105A patent/JP6619641B2/ja active Active
-
2016
- 2016-12-12 CN CN201611141188.7A patent/CN106870965B/zh active Active
- 2016-12-13 US US15/376,981 patent/US10208942B2/en not_active Expired - Fee Related
- 2016-12-13 FR FR1662368A patent/FR3045136A1/fr not_active Withdrawn
- 2016-12-13 DE DE102016124193.8A patent/DE102016124193A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2017111862A (ja) | 2017-06-22 |
US10208942B2 (en) | 2019-02-19 |
CN106870965A (zh) | 2017-06-20 |
FR3045136A1 (fr) | 2017-06-16 |
US20170167689A1 (en) | 2017-06-15 |
CN106870965B (zh) | 2019-08-16 |
DE102016124193A1 (de) | 2017-06-14 |
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