CN102121654A - Optical-fiber coupling semiconductor laser illuminating car lamp - Google Patents
Optical-fiber coupling semiconductor laser illuminating car lamp Download PDFInfo
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- CN102121654A CN102121654A CN2011100749327A CN201110074932A CN102121654A CN 102121654 A CN102121654 A CN 102121654A CN 2011100749327 A CN2011100749327 A CN 2011100749327A CN 201110074932 A CN201110074932 A CN 201110074932A CN 102121654 A CN102121654 A CN 102121654A
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Abstract
The invention provides an optical-fiber coupling semiconductor laser illuminating car lamp, belonging to the field of the optical-fiber coupling semiconductor laser illuminating car lamp, and in particular to an optical-fiber coupling semiconductor laser illuminating car lamp, comprising a switch power supply, a laser diode, a semiconductor refrigerator, an LED (light-emitting diode) optical fiber group part, a light collecting groove and a lens. In the optical-fiber coupling semiconductor laser illuminating car lamp, the problems of poor radiation and array and the problem of non-uniform illumination in the existing LED are solved, the output light can be uniformly distributed, the output light can be better in uniformization, and the phenomenon of poor radiation caused by the LED array problem is overcome.
Description
Technical field
The present invention relates to a kind of optical fiber car light field, refer in particular to optical fiber coupling semiconductor laser lighting car light.
Background technology
Optical fiber in the application of lighting field more and more widely, from only being used for producing at first special illuminating effect (simulation twinkLing stars light), not only be widely used in decorative lighting by now, and can be applied to general illumination, optical fibre illumination has entered real omnibearing lighting field, particularly optical fiber and can also be applied to those common lighting apparatus and can't realize the place of throwing light on.Since optical fibre illumination on multi-functional and output light intensity technological progress and the reduction of cost, make that the degree of recognition of this lighting system on illumination market is more and more higher.Now, optical fibre illumination has all demonstrated its superiority in many application scenarios.As in indoor and outdoor decorative lighting, display lighting, billboard lighting, wet environment illumination, low temperature environment illumination and dangerous material storage illumination etc., especially in automotive lighting, also demonstrate the advantage of optical fibre illumination.
The optical fibre illumination technology can be used for internal optical fiber lighting decoration controlled system, high-mount stop lamp of headlamp, taillight, the automobile of automobile etc.Optical fibre illumination is used for auto industry many advantages: a plurality of light fixtures can a shared light source, and light source can be placed on the position of being convenient to keep in repair; Can be futuramic optical fibre illumination lamp decoration system light fixture; Be convenient to the display automobile profile, driving at night is safer; Can realize gentle illumination of automotive interior and shadow-free illumination; Cold light optical fibre illumination lamp decoration system is safe and reliable etc.Along with the polishing technology at optical fiber two ends is constantly perfect, the improving constantly of 0nTI skill level, expense will reduce gradually, and the application of optical fibre illumination lamp decoration systems technology in automobile will make automobile lamp assume a new aspect.
Summary of the invention
The problem that the present invention mainly solves is: overcome the diffusing not good and array problem of existing LED, problems such as illumination unevenness and illumination zone are non-adjustable, the invention provides a kind of novel optical fiber light-guiding type headlight, output light can evenly distribute, can make the output light uniformization preferably, and overcome the existing picture of the poor heat radiation that produces because of the led array problem.
The present invention's technical scheme that problem adopted of dealing with problems is:
A kind of optical fiber coupling semiconductor laser lighting car light comprises Switching Power Supply, laser diode, semiconductor cooler, LED optical fiber group part, light harvesting groove, lens; Described Switching Power Supply is the general supply of control laser diode, semiconductor cooler.
Described optical fiber coupling semiconductor laser lighting car light, its Switching Power Supply is the general supply of laser diode, semiconductor cooler, LED optical fiber group part, and functions such as the required voltage/current of work, voltage stabilizing and cut-out power supply are provided for car light.
Described optical fiber coupling semiconductor laser lighting car light, its laser diode is made up of semiconductor diode and auxiliary circuit, in the specific embodiment of the invention, is example explanation specific embodiments of the invention with the SQW laser diode.It is low that the SQW laser diode has a threshold current, and the advantage that power output is high is applicable to the light source of making headlight.
Described optical fiber coupling semiconductor laser lighting car light, after Switching Power Supply is to the semiconductor cooler power supply, semiconductor cooler work, laser diode is cooled off, laser diode is worked in normal temperature range, its laser that sends outputs to LED optical fiber group part after being coupled by coupling mirror.
Described optical fiber coupling semiconductor laser lighting car light, LED optical fiber group partly comprises several light source modules and several optical fiber, each optical fiber and the coupling of each light source module link, and the light source that this light source module is provided can be by the optical fiber transmission, and the light source module is the led light source module.
Described LED optical fiber group partly comprises light source module and several optical fiber, and an end and the coupling mirror of each optical fiber are of coupled connections, and the other end of each optical fiber and light harvesting groove are of coupled connections; The end face that described light harvesting groove is connected with optical fiber is offered several optic fibre holes, and the optic fibre hole number equates with the number of optical fiber, optic fibre hole evenly distributes, and cylindric dead slot pipe is offered in the other end, and the dead slot pipe is connected with optic fibre hole; The light harvesting rooved face is the highly reflective metallic film of aluminium or silver; The notch of dead slot pipe is aimed at lens.
Described optical fiber coupling semiconductor laser lighting car light, its lens are an aspheric surface, Fresnel (Fresnel) lens or spherical lens.
The present invention can obtain needed smooth shape output light, and have reflectivity in the light harvesting groove by above form, and light source can be exported through the homogenising that reaches certain level after repeatedly reflecting in the laser cell body.
Beneficial effect of the present invention:
1, by rational deployment optical fiber and radiator portion, overcomes existing LED poor heat radiation and array problem.
2, after LED lamp wiring of the present invention, diode emit beam, after coupling mirror, optical fiber, light harvesting groove, lens correction output, make more homogenising of output light.
3, relate to that parts are less, manufacture method is simple, increase and use its life-span.
Description of drawings
Fig. 1: optical fiber coupling semiconductor laser lighting car light work schematic diagram.
Fig. 2: preferred embodiment distribution key diagram of the present invention.
Fig. 3: preferred embodiment light harvesting groove front view of the present invention (profile).
Fig. 4: preferred embodiment light harvesting groove right view of the present invention (outside drawing).
Among the figure, 1, optical fiber; 2, light source module; 3, light harvesting groove; 4, lens; 5, notch; 6, coupling mirror; 7, dead slot pipe; 8, optic fibre hole.
The specific embodiment
The preferred embodiment of this optical fiber light-guiding type car lamp mainly comprises: nine light source modules 2, nine optical fiber groups 1, light harvesting groove 3, lens 4, Switching Power Supply, one group of SQW laser diode, semiconductor cooler.
After the Switching Power Supply work, for the general supply of SQW laser diode, semiconductor cooler, LED optical fiber group provides functions such as the required voltage/current of work, voltage stabilizing.Semiconductor cooler is after the work of Switching Power Supply portion, semiconductor cooler work is cooled off constant temperature to the SQW laser diode, and the SQW laser diode is worked in normal temperature range, after its laser that sends is coupled by coupling mirror 6, respectively by 1 transmission of nine optical fiber groups.Light harvesting groove 3 bodies are the highly reflective metal cell body of aluminium or silver, and reflective film is aluminium or silver-colored material.Optic fibre hole 8 is evenly distributed on the cross section of light harvesting groove 3 one ends with the form that runs through, and be of coupled connections with an end of each optical fiber 1, light source is imported in this light harvesting groove 3, the dead slot inside pipe wall has reflective, notch 5 is positioned at an end of this dead slot pipe, notch 5 has specific cross section, and this particular cross section is consistent with the shape of notch 5, and particular cross section is the narrow on one side strip of a hem width.And can make light beam can penetrate output behind lens 4 again, i.e. LED car light work by this notch 5.Lens 4 are an aspheric surface, Fresnel (Fresnel) lens or spherical lens.
Claims (3)
1. optical fiber coupling semiconductor laser lighting car light is characterized in that, comprises Switching Power Supply, laser diode, semiconductor cooler, LED optical fiber group part, light harvesting groove (3), lens (4); Described Switching Power Supply is the general supply of control laser diode, semiconductor cooler; Described laser diode is as the light source of headlight; Described coupling mirror (6) is positioned on the output light path of laser diode, described semiconductor cooler cooling semiconductor cooler, and the laser that laser diode sends outputs in the LED optical fiber group after being coupled by coupling mirror (6); Described LED optical fiber group partly comprises light source module (2) and several optical fiber (1), and end of each optical fiber (1) and coupling mirror (6) are of coupled connections, and the other end of each optical fiber and light harvesting groove (3) are of coupled connections; The end face that described light harvesting groove (3) is connected with optical fiber is offered several optic fibre holes (8), optic fibre hole (8) number equates with the number of optical fiber (1), optic fibre hole (8) evenly distributes, cylindric dead slot pipe (7) is offered in the other end, and dead slot pipe (7) is connected with optic fibre hole (8); Described light harvesting groove (3) surface is the highly reflective metallic film of aluminium or silver; The notch (5) of dead slot pipe (7) is aimed at lens (4).
2. optical fiber coupling semiconductor laser lighting car light according to claim 6, notch (5) outer fringe position of described light harvesting groove (3) is round table-like.
3. optical fiber coupling semiconductor laser lighting car light according to claim 1, described lens (4) are aspheric surface, Fresnel (Fresnel) lens or spherical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100749327A CN102121654A (en) | 2011-03-28 | 2011-03-28 | Optical-fiber coupling semiconductor laser illuminating car lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100749327A CN102121654A (en) | 2011-03-28 | 2011-03-28 | Optical-fiber coupling semiconductor laser illuminating car lamp |
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| CN102121654A true CN102121654A (en) | 2011-07-13 |
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| CN2011100749327A Pending CN102121654A (en) | 2011-03-28 | 2011-03-28 | Optical-fiber coupling semiconductor laser illuminating car lamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518996A (en) * | 2011-12-29 | 2012-06-27 | 中国科学院长春光学精密机械与物理研究所 | Light source device for guiding landing of airplane |
| CN103458569A (en) * | 2013-07-29 | 2013-12-18 | 兰州吉利汽车工业有限公司 | Automobile optical fiber illumination engine |
| CN104075211A (en) * | 2014-06-24 | 2014-10-01 | 华南理工大学 | Optical structure of automotive laser high-beam light |
| CN107783297A (en) * | 2017-11-22 | 2018-03-09 | 深圳创维新世界科技有限公司 | Nearly eye display device |
| CN108626684A (en) * | 2018-04-12 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of color temperature-tunable vehicle laser headlamp |
| CN109581675A (en) * | 2017-09-29 | 2019-04-05 | 武汉资联虹康科技股份有限公司 | A kind of multicore launching fiber that laser is evenly dispersed |
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| US20040149998A1 (en) * | 2002-12-02 | 2004-08-05 | Henson Gordon D. | Illumination system using a plurality of light sources |
| CN1763423A (en) * | 2004-10-21 | 2006-04-26 | 奥斯兰姆施尔凡尼亚公司 | Light emitting diode module for automotive headlamp |
| EP1653150A1 (en) * | 2004-10-21 | 2006-05-03 | Osram Sylvania Inc. | Light emitting diode module for automotive headlamp |
| CN101253364A (en) * | 2005-08-31 | 2008-08-27 | 奥斯兰姆施尔凡尼亚公司 | LED headlamp system |
| CN101285560A (en) * | 2007-04-13 | 2008-10-15 | 财团法人车辆研究测试中心 | Optical fiber light-guiding type car lamp |
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2011
- 2011-03-28 CN CN2011100749327A patent/CN102121654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149998A1 (en) * | 2002-12-02 | 2004-08-05 | Henson Gordon D. | Illumination system using a plurality of light sources |
| CN1763423A (en) * | 2004-10-21 | 2006-04-26 | 奥斯兰姆施尔凡尼亚公司 | Light emitting diode module for automotive headlamp |
| EP1653150A1 (en) * | 2004-10-21 | 2006-05-03 | Osram Sylvania Inc. | Light emitting diode module for automotive headlamp |
| CN101253364A (en) * | 2005-08-31 | 2008-08-27 | 奥斯兰姆施尔凡尼亚公司 | LED headlamp system |
| CN101285560A (en) * | 2007-04-13 | 2008-10-15 | 财团法人车辆研究测试中心 | Optical fiber light-guiding type car lamp |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518996A (en) * | 2011-12-29 | 2012-06-27 | 中国科学院长春光学精密机械与物理研究所 | Light source device for guiding landing of airplane |
| CN103458569A (en) * | 2013-07-29 | 2013-12-18 | 兰州吉利汽车工业有限公司 | Automobile optical fiber illumination engine |
| CN104075211A (en) * | 2014-06-24 | 2014-10-01 | 华南理工大学 | Optical structure of automotive laser high-beam light |
| CN104075211B (en) * | 2014-06-24 | 2016-10-05 | 华南理工大学 | A kind of optical texture of vehicle laser high beam |
| CN109581675A (en) * | 2017-09-29 | 2019-04-05 | 武汉资联虹康科技股份有限公司 | A kind of multicore launching fiber that laser is evenly dispersed |
| CN107783297A (en) * | 2017-11-22 | 2018-03-09 | 深圳创维新世界科技有限公司 | Nearly eye display device |
| CN108626684A (en) * | 2018-04-12 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of color temperature-tunable vehicle laser headlamp |
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Application publication date: 20110713 |