CN106152003B - Distance-light one headlamp and its means of illumination based on laser light source - Google Patents
Distance-light one headlamp and its means of illumination based on laser light source Download PDFInfo
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- CN106152003B CN106152003B CN201510145063.0A CN201510145063A CN106152003B CN 106152003 B CN106152003 B CN 106152003B CN 201510145063 A CN201510145063 A CN 201510145063A CN 106152003 B CN106152003 B CN 106152003B
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Abstract
The present invention relates to a kind of distance-light one headlamps based on laser light source, rotating mechanism is reflected including light source, nearly high beam reflector and laser light source, laser light source includes six blue laser diodes that wavelength is 450nm, optical fiber and the prism of quartz base plate chip of light waveguide and yellow fluorescent powder, light source reflection rotating mechanism includes the skeleton for being wound with electromagnetic coil, magnet, mandril and light source reflector, the rear middle part of light source reflector is hinged on lamp body, light source reflector rear lower connect with the bulb on the inside of mandril and can relatively rotate equipped with ball-head cover, the spring being sleeved on mandril is withstood on the convex shoulder of skeleton and mandril, nearly high beam reflector includes demarcating into the dipped beam reflecting surface on top and the distance light reflecting surface of lower part from middle part.The present invention can be met using a laser light source while the light distribution requirements of distance light and dipped beam, and the switching of distance light and dipped beam is realized by darkening, can reduce the size and weight of lamps and lanterns, improves light source anti-vibration and survivability.
Description
Technical field
The present invention relates to a kind of distance-light one headlamps and its means of illumination based on laser light source, belong to car light technology
Field.
Background technology
Laser with conventional light source such as metalized lamp, high pressure gas lamp and LED etc., has low, photochromic pure, brightness of consuming energy relatively
The small advantage of height, good directionality, light distribution mechanism size.But small size high power laser diode is both less than 2W at present, big
Power illumination field is in application, need using multiple light courcess system optics encapsulation technology.
In headlamp field, international state-of-the-art integrated multiple light courcess is by anti-using three blue light laser diodes at present
The prism that mirror converges to covering yellow fluorescent powder is penetrated, that is, the white light for being converted into diffusion is projected to speculum, but need two groups again
The light distribution requirements of distance light could be met by the optical module of this encapsulation, but dipped beam still uses LED light source, because in a headlamp
Two different light sources are used, therefore laser light source cannot meet while the light distribution requirements of distance light and dipped beam.Secondly, meeting
The laser light source of the light distribution requirements of distance light is to need two groups of encapsulating optical modules, and and optics module in lamp interior is open
Space optical path is not closed, and easily interferes optical effect by dust or impurity, and speculum and prism processing are complicated in addition, light
Road needs to be accurately positioned to can be only achieved optical effect, but in practical operation again, due to using two-way optical module, causes accurate
Position it is extremely difficult, due to poor seismic behavior, easy moving influence optical effect.Moreover also caused using two groups of optical modules
Occupy the space of lamps and lanterns bigger.
Invention content
It can be met while the light distribution requirements of distance light and dipped beam using a laser light source the object of the present invention is to provide a kind of,
And pass through the switching of realization distance light and dipped beam after darkening, to reduce the size and weight of lamps and lanterns, anti-vibration and collapse resistance can be improved
The distance-light one headlamp and its means of illumination based on laser light source of ability.
Present invention technical solution in order to achieve the above objectives is：A kind of distance-light one headlamp based on laser light source,
It is characterized in that：The laser light source of rotating mechanism and nearly high beam reflector and dress on a heat sink is reflected including light source,
The laser light source includes six blue laser diodes, optical fiber and the quartz base plate chip of light waveguide that wavelength is 450nm
With the prism of yellow fluorescent powder, the output terminal of each blue laser diode is through corresponding optical fiber and quartz base plate waveguide core
The input terminal docking of the self-corresponding optical waveguide of on piece, quartz base plate chip of light waveguide is formed uniformly in its exit end and wavelength is
The linear emergent light of 450nm, quartz base plate chip of light waveguide exit end face are coated with the prism of yellow fluorescent powder, and prism is used for will
Linear emergent light is converted to the white light of uniformly 20 ° of the angle of divergence of diffusion, and each blue laser diode, each optical fiber and quartz base plate
Chip of light waveguide and prism are packaged as a whole, and the light-emitting surface of prism is arranged on outside colloid by colloid fixation；Described swashs
Radiant forepart is equipped with for laser light source to be reflexed to the reflection rotating mechanism of the light source on light source reflector, and the light source is anti-
It penetrates rotating mechanism and includes skeleton, electromagnetic coil, mandril and spring and light source reflector, the skeleton for being wound with electromagnetic coil is mounted on
On lamp body, the outside that intraskeletal magnet is arranged on skeleton is fixed on, its inside of intraskeletal mandril is arranged on and stretches out skeleton, light
The rear middle part of source speculum is hinged on lamp body, and light source reflector rear lower is equipped with ball-head cover, and the bulb on the inside of mandril is arranged on
It in ball-head cover and can relatively rotate, the spring being sleeved on mandril is withstood on the convex shoulder of skeleton and mandril；The nearly distance light reflection
Mirror includes demarcating into the dipped beam reflecting surface on top and the distance light reflecting surface of lower part from middle part.
Wherein：The input terminal of each optical waveguide of quartz base plate waveguide core on piece and the center of corresponding fiber-optic output
It overlaps.
The angle between reflecting surface and vertical plane during described light source reflector reset condition is at 5~30 °.
Distance light reflecting surface and dipped beam reflecting surface in nearly high beam reflector are the cambered surface of indent.
The present invention is based on the means of illumination of the distance-light one headlamp of laser light source, it is characterised in that：The laser
Light source switches constant-current supply, laser light source send out luminous flux in the white light of 1200lm and project on light source reflector, work as electromagnetism
After coil is powered, mandril is attracted to magnet side and compressed spring drives light source reflector along hinged center rotating, by laser light
The white light that source is sent out is invested after light source reflector reflects on the dipped beam reflecting surface of nearly high beam reflector, generates dipped beam and dead line
And project lamps and lanterns；After electromagnetic coil powers off, mandril is detached from magnet, mandril is pushed to drive light source reflector under the action of the spring
It resets, it is raw on the distance light reflecting surface that the white light that laser light source is sent out is invested nearly high beam reflector after light source reflector reflects
Into distance light and it is projected to lamps and lanterns.
The present invention is using laser light source and light source reflector mechanism and near with dipped beam reflecting surface and distance light reflecting surface
High beam reflector makes nearly high beam reflector not need to expand size collection scattering light, and employ light source reflector mechanism,
Imaginary light source can be generated by light source reflector, to increase the focal length of optical system so that the light-emitting surface of nearly high beam reflector is than it
His light source is small, it is possible to reduce the size and weight of lamps and lanterns, and increase the facility of headlamp moulding.The present invention is by distance light and dipped beam
Switching realizes that light source reflector, by the way that mandril is driven to move, and can change after power on/off by rotatable light source reflector
Become the shooting angle of laser light source.Laser light source of the present invention is used using a laser module, reflects rotating mechanism by light source
The switching of distance light and dipped beam is realized in darkening, rational in infrastructure, simple.Laser light source of the present invention employs chip of light waveguide optics envelope
Dress technology can make light wave in the characteristic of tiny area inner total reflection, by six blue laser diodes and correspondence using optical waveguide
Each optical fiber and quartz base plate chip of light waveguide and optical path prism docking, then be fixed by colloid, due to quartz base plate
Branched optical waveguide can be formed in exit end and carry out light path convergence by chip of light waveguide, formed uniformly in its exit end and wavelength is
The linear emergent light of 450nm can complete the convergence of multiple laser energy, generate the white light uniformly spread, make the light of laser light source
Flux can reach 1200lm, have the advantage of high brightness, point light source and high directivity, after diffusion prism, can generate square
The hot spot that shape brightness is concentrated.The present invention is by blue laser diode, optical fiber and quartz base plate chip of light waveguide and is coated with yellow
The prism of fluorescent powder carries out overall package by colloid, and light source is made not interfered by dust impurity, can improve anti-vibration and resist broken
It is bad.
Description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram when projecting dipped beam the present invention is based on the distance-light one headlamp of laser light source.
Fig. 2 is the structure diagram when projecting dipped beam the present invention is based on the distance-light one headlamp of laser light source.
Fig. 3 is the structure diagram of light source reflection rotating mechanism of the present invention.
Wherein：1-nearly high beam reflector, 1-1-dipped beam reflecting surface, 1-2-distance light reflecting surface, 2-light source reflector,
3-rotary shaft, 4-prism, 5-colloid, 6-quartz base plate chip of light waveguide, 7-optical fiber, 8-blue laser diode, 9-
Radiator, 10-constant-current supply, 11-magnet, 12-electromagnetic coil, 13-mandril, 14-spring, 15-ball-head cover.
Specific embodiment
As shown in Fig. 1~3, the present invention is based on the distance-light one headlamps of laser light source, reflect whirler including light source
Structure and nearly high beam reflector 1 and a laser light source on radiator 9.As shown in Fig. 1,2, laser light source of the invention
Including six blue laser diodes 8, optical fiber 7 and the quartz base plate chip of light waveguide 6 and yellow fluorescent powder that wavelength is 450nm
Prism 4, six blue laser diodes 8 form laser arrays, the output terminal of each blue laser diode 8 by it is respective with
Corresponding optical fiber 7 is docked with the input terminal of optical waveguide corresponding on quartz base plate chip of light waveguide 6, quartz base plate waveguide core
The input terminal of each optical waveguide is overlapped with the center of corresponding 7 output terminal of optical fiber on piece 6, realizes the docking of light path, quartz base plate light
Waveguide chip 6 forms the linear emergent light that uniformly and wavelength is 450nm in its exit end, and quartz base plate chip of light waveguide 6 is emitted
Rectify the prism 4 to being coated with yellow fluorescent powder, prism 4, which is used to be converted to linear emergent light, uniformly spreads the white of 20 ° of the angle of divergence
Light generates the hot spot that rectangle brightness is concentrated, the luminous flux of laser light source is made to reach 1200lm, can meet simultaneously long-distance light and
The light distribution requirements of dipped beam, and pass through outside the heat transfer to lamps and lanterns when radiator 9 works laser array.As shown in Fig. 1,2,
Each blue laser diode 8 of the present invention, each optical fiber 7 and quartz base plate chip of light waveguide 6 and prism 4 are fixed by colloid 5 to be sealed
Dress is integrated, and the light-emitting surface of prism 4 is arranged on outside colloid 5, therefore illuminating source is made not interfered by dust impurity, can be substantially
Degree improves the ability of light source anti-vibration and collapse resistance.
As shown in Fig. 1~3, laser light source forepart of the invention is equipped with laser light source reflexing to light source reflector 2
On light source reflection rotating mechanism, light source of the present invention reflection rotating mechanism includes skeleton, electromagnetic coil 12, mandril 13 and spring
14 and light source reflector 2, the skeleton for being wound with electromagnetic coil 12 is mounted on lamp body, is fixed on intraskeletal magnet 11 and is arranged on bone
The outside of frame is arranged on its inside of intraskeletal mandril 13 and stretches out skeleton, and the rear middle part of light source reflector 2 is hinged on lamp body,
Can be hinged on lamp body by rotary shaft 3, the angle β between the reflecting surface and vertical plane of 2 reset condition of light source reflector 5~
30 °, the white light that laser light source during reset condition is sent out is invest nearly high beam reflector 1 remote after the reflection of light source reflector 2
On light reflection surface 1-2, the angle β between best reflecting surface and vertical plane between 10-25 °, with receive laser light source send out it is white
Light is simultaneously reflected into nearly high beam reflector 1.2 rear lower of light source reflector of the present invention is equipped with ball-head cover 15, the ball of 13 inside of mandril
Head is arranged in ball-head cover 15 and can relatively rotate, and the spring 14 being sleeved on mandril 13 withstands on the convex shoulder of skeleton and mandril 13
On, electromagnetic coil 12 is powered or powers off, and mandril 13 is made to be attracted or be detached from magnet 11, control mandril 13 in intraskeletal movement,
So as to which light source reflector 2 be driven to realize the switching of distance light and dipped beam, the present invention passes through light source reflector 2 along hinged center rotating
To increase the focal length of optical system so that the light-emitting surface of far and near light reflection mirror reduces the size and weight of lamps and lanterns than smaller.
As shown in Fig. 1,2, the nearly high beam reflector 1 of the present invention is demarcated from middle part into the dipped beam reflecting surface 1-1 on top and lower part
Distance light reflecting surface 1-2, and with smaller light-emitting surface, distance light reflecting surface 1-2 and dipped beam reflecting surface in nearly high beam reflector 1
1-1 is the cambered surface of indent, light source reflector 2 by the white light reflection that laser light source is sent out to dipped beam reflecting surface 1-1 when, generation is full
The dipped beam and dead line of sufficient regulation and light distribution requirements, when light source reflector 2 is anti-to distance light by the white light reflection that laser light source is sent out
When penetrating face 1-2, the distance light for meeting regulation and light distribution requirements can be generated.
As shown in Fig. 1~3, the present invention is based on the means of illumination of the distance-light one headlamp of laser light source, laser light sources
Constant-current supply 10 is connected, laser light source sends out luminous flux in the white light of 1200lm and projects on light source reflector 2, radiates simultaneously
Device 9 will be outside the heat transfer to lamps and lanterns of laser light source.As shown in Fig. 1,3, after electromagnetic coil 12 is powered, electromagnetic force is generated,
Mandril 13 is attracted to 11 side of magnet and compressed spring 14 drives light source reflector 2 to send out laser light source along hinged center rotating
The white light gone out through light source reflector 2 reflection after invest nearly high beam reflector 1 dipped beam reflecting surface 1-1 on, generation meet regulation and
The dipped beam and dead line of light distribution requirements simultaneously project lamps and lanterns.As shown in Fig. 2,3, after electromagnetic coil 12 powers off, electromagnetic force disappears,
Mandril 13 is detached from magnet 11, pushes mandril 13 that light source reflector 2 is driven to reset under the effect of spring 14, laser light source is sent out
On the distance light reflecting surface 1-2 that white light invests nearly high beam reflector 1 after the reflection of light source reflector 2, generation meets regulation and light distribution
It is required that distance light project lamps and lanterns.
Claims (5)
1. a kind of distance-light one headlamp based on laser light source, it is characterised in that：Including light source reflect rotating mechanism and
Nearly high beam reflector (1) and a laser light source on radiator (9), it is 450nm that the laser light source, which includes wavelength,
Six blue laser diodes (8), optical fiber (7) and the prism of quartz base plate chip of light waveguide (6) and yellow fluorescent powder
(4), the output terminal of each blue laser diode (8) through on corresponding optical fiber (7) and quartz base plate chip of light waveguide (6) from
The input terminal docking of corresponding optical waveguide, quartz base plate chip of light waveguide (6) is formed uniformly in its exit end and wavelength is 450nm
Linear emergent light, quartz base plate chip of light waveguide (6) exit end face is coated with the prism (4) of yellow fluorescent powder, and prism (4) is used
In by linear emergent light be converted to uniformly diffusion 20 ° of the angle of divergence white light, and each blue laser diode (8), each optical fiber (7) with
And quartz base plate chip of light waveguide (6) and prism (4) are packaged as a whole, and the light-emitting surface of prism (4) is set by colloid (5) fixation
It puts external in colloid (5)；The laser light source forepart is equipped with to reflex to laser light source into the light on light source reflector (2)
Rotating mechanism is reflected in source, and light source reflection rotating mechanism includes skeleton, electromagnetic coil (12), mandril (13) and spring
(14) it is mounted on lamp body with light source reflector (2), the skeleton for being wound with electromagnetic coil (12), is fixed on intraskeletal magnet (11)
The outside of skeleton is arranged on, its inside of intraskeletal mandril (13) is arranged on and stretches out skeleton, the rear middle part hinge of light source reflector (2)
It is connected on lamp body, light source reflector (2) rear lower is equipped with ball-head cover (15), and the bulb on the inside of mandril (13) is arranged on ball-head cover
(15) it in and can relatively rotate, the spring (14) being sleeved on mandril (13) is withstood on the convex shoulder of skeleton and mandril (13)；It is described
Nearly high beam reflector (1) from middle part including demarcating into the dipped beam reflecting surface (1-1) on top and the distance light reflecting surface (1-2) of lower part.
2. the distance-light one headlamp according to claim 1 based on laser light source, it is characterised in that：The quartz base
The input terminal of each optical waveguide is overlapped with the center of corresponding optical fiber (7) output terminal on plate chip of light waveguide (6).
3. the distance-light one headlamp according to claim 1 based on laser light source, it is characterised in that：The light source
The angle between reflecting surface and vertical plane during speculum (2) reset condition is at 5~30 °.
4. the distance-light one headlamp according to claim 1 based on laser light source, it is characterised in that：Described is near remote
Distance light reflecting surface (1-2) and dipped beam reflecting surface (1-1) on light reflection mirror (1) are the cambered surface of indent.
5. the means of illumination of the distance-light one headlamp based on laser light source according to claim 1, it is characterised in that：Institute
The laser light source stated connects constant-current supply (10), and laser light source sends out luminous flux in the white light of 1200lm and projects light source reflection
On mirror (2), after electromagnetic coil (12) is powered, mandril (13) is attracted to magnet (11) side and compressed spring (14) drives light source
It is anti-that speculum (2) along hinged center rotating, by the white light that laser light source is sent out after light source reflector (2) reflection invests nearly distance light
It penetrates on the dipped beam reflecting surface (1-1) of mirror (1), generate dipped beam and dead line and projects lamps and lanterns；After electromagnetic coil (12) powers off,
Mandril (13) is detached from magnet (11), and promotion mandril (13) drives light source reflector (2) to reset under spring (14) effect, by laser
It is raw on the distance light reflecting surface (1-2) that the white light that light source is sent out invests nearly high beam reflector (1) after light source reflector (2) reflection
Into distance light and it is projected to lamps and lanterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145063.0A CN106152003B (en) | 2015-03-30 | 2015-03-30 | Distance-light one headlamp and its means of illumination based on laser light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145063.0A CN106152003B (en) | 2015-03-30 | 2015-03-30 | Distance-light one headlamp and its means of illumination based on laser light source |
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| CN106152003A CN106152003A (en) | 2016-11-23 |
| CN106152003B true CN106152003B (en) | 2018-06-15 |
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| CN201510145063.0A Active CN106152003B (en) | 2015-03-30 | 2015-03-30 | Distance-light one headlamp and its means of illumination based on laser light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578823A (en) * | 2018-12-17 | 2019-04-05 | 华中科技大学 | A kind of laser white light source of laser diode and fluorescent powder membrane cooling simultaneously |
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| CN108613106B (en) * | 2016-12-30 | 2020-04-24 | 徐煜 | High beam and low beam integrated vehicle lamp structure |
| JP6862291B2 (en) * | 2017-06-16 | 2021-04-21 | 株式会社小糸製作所 | Vehicle lighting |
| JP6982487B2 (en) * | 2017-12-19 | 2021-12-17 | 株式会社小糸製作所 | Vehicle lighting |
| CN108224249B (en) * | 2018-02-26 | 2024-03-29 | 深圳民爆光电股份有限公司 | LED lamp with variable beam angle |
| CN108626682A (en) * | 2018-03-23 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of vehicle laser headlamp |
| FR3084728B1 (en) | 2018-07-31 | 2021-03-19 | Valeo Vision | LIGHT MODULE IMAGING THE ILLUMINATED SURFACE OF A COLLECTOR |
| CN110671656A (en) * | 2019-11-13 | 2020-01-10 | 中国商用飞机有限责任公司 | Laser light source module and laser lamp comprising same |
| WO2022183711A1 (en) * | 2021-03-01 | 2022-09-09 | 华域视觉科技(上海)有限公司 | Vehicle light module, vehicle, and method for forming light pattern of vehicle light illumination module |
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| CN106152003A (en) | 2016-11-23 |
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