CN209262920U - A kind of automobile new pattern laser headlamp - Google Patents
A kind of automobile new pattern laser headlamp Download PDFInfo
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- CN209262920U CN209262920U CN201920076063.3U CN201920076063U CN209262920U CN 209262920 U CN209262920 U CN 209262920U CN 201920076063 U CN201920076063 U CN 201920076063U CN 209262920 U CN209262920 U CN 209262920U
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Abstract
It includes: semiconductor laser, laser radiator, ceramic fluorescent piece, fluorescence plate base, flourescent sheet baseplate heat sink and free-form surface reflector that the utility model, which provides a kind of automobile new pattern laser headlamp,.Semiconductor laser is connect with laser radiator, and laser radiator is connect with flourescent sheet baseplate heat sink, and fluorescence plate base is connect with ceramic fluorescent piece, and fluorescence plate base is connect with flourescent sheet baseplate heat sink.The optical axis of the laser of the normal and semiconductor laser of area of illumination of the ceramic fluorescent piece towards semiconductor laser is in 45 degree of angles.The light beam reflected by free-form surface reflector is parallel with the optical axis of the laser of semiconductor laser and the direction in the direction of light beam and semiconductor laser laser launched by free-form surface reflector is in the same direction.The one side of ceramic fluorescent piece backside semiconductor laser is connect by high thermal conductivity adhesive with fluorescence plate base.
Description
Technical field
The utility model relates to field of laser illumination, more particularly to a kind of automobile new pattern laser headlamp.
Background technique
Headlight for vehicles is also known as automobile front lamp, automobile daytime running lights, and the eyes headlight for vehicles as automobile is not only related to
The overall appearance image of one automobile, and can more embody the overall performance of an automobile.Headlight for vehicles is to ensure automobile night
Between the critical component that drives safely.Headlight for vehicles is also continuously improving with the continuous development of science and technology, occurs currently on the market
Automobile headlamp be broadly divided into the big lamp source of halogen automobile, xenon headlight for vehicles light source, LED automobile headlamp light source and laser
Headlight for vehicles light source.Laser headlight for vehicles light source possesses the most advantage of LED automobile headlamp light source, fast response time, bright
The degree dough softening is low, small in size, low energy consumption, the service life is long.Compared to laser headlight for vehicles light source for LED automobile headlamp light source in volume
On it is with the obvious advantage, the length of single laser diode can accomplish 10 microns, the only percentage of conventional LED element size
One of, which means that as long as designer is ready, the size of the headlight of orthodox car can significantly reduce, this will be for before automobile
The design proportion of each element brings revolutionary variation on the face.
The laser headlight for vehicles light source occurred in the market is generally or need to pass through makees with LED automobile headlamp light source altogether
It is used for the headlight of automobile, although the brightness of laser headlight for vehicles light source irradiation is high, irradiation distance is remote, laser headlight for vehicles
The range of exposures of light is relatively narrow, and LED automobile headlamp light source is needed to supplement light, so that the big modulated structure of automobile is not terse.
Utility model content
Based on this, it is necessary to provide a kind of automobile new pattern laser headlamp.
A kind of automobile new pattern laser headlamp, comprising: semiconductor laser, laser radiator, ceramic fluorescent piece, glimmering
Mating plate substrate, flourescent sheet baseplate heat sink and free-form surface reflector.The semiconductor laser and the laser radiate
Device connection, the laser radiator are connect with the flourescent sheet baseplate heat sink, and the fluorescence plate base and the ceramics are glimmering
Mating plate connection, the fluorescence plate base connect with the flourescent sheet baseplate heat sink, the free-form surface reflector with it is described glimmering
The connection of mating plate baseplate heat sink.
The transmitting terminal of the semiconductor laser is provided with condenser lens.
The condenser lens surface is coated with the optical thin film of high transmittance.
The optical axis of the condenser lens is coaxial with the optical axis of the laser of the semiconductor laser.
The normal and the semiconductor laser of the area of illumination of the ceramic fluorescent piece towards the semiconductor laser are sent out
The optical axis for the laser penetrated is in 45 degree of angles.The front focus of the condenser lens is located at the ceramic fluorescent piece and swashs towards the semiconductor
The geometric center of the area of illumination of light device, so that the light by ceramic fluorescent piece reflection is perpendicular to the semiconductor laser
The light of transmitting emits downwards.
The geometric center of the area of illumination of the ceramic fluorescent piece towards the semiconductor laser is located at the free form surface
The focal point of reflector, the laser of the light beam and the semiconductor laser that are reflected by the free-form surface reflector
Optical axis it is parallel and the direction of light beam launched by the free-form surface reflector and the semiconductor laser swash
The direction of light is in the same direction.
The ceramic fluorescent piece is provided with high reflectance coating backwards to the semiconductor laser on one side, so that by institute
The laser for stating the reflection of high reflectance coating passes through the center of the ceramic fluorescent piece.
The fluorescence plate base is provided with high thermal conductivity adhesive close to the ceramic fluorescent piece on one side, and the ceramics are glimmering
Mating plate is connect by the high thermal conductivity adhesive with the fluorescence plate base backwards to the one side of the semiconductor laser.
The fluorescence plate base is aluminum substrate in one of the embodiments,.
The material of the flourescent sheet baseplate heat sink is aluminium in one of the embodiments,.
The material of the flourescent sheet baseplate heat sink is copper in one of the embodiments,.
The high reflectance coating includes that the first reflecting layer, the second reflecting layer and third are anti-in one of the embodiments,
Penetrate layer.It is anti-backwards to the one side of the semiconductor laser, described second that the ceramic fluorescent piece is tightly attached in the third reflecting layer
It penetrates layer and is tightly attached to the third reflecting layer, second reflecting layer is tightly attached in first reflecting layer.First reflecting layer
Material is silver, and the material in second reflecting layer is silica, and the material in the third reflecting layer is titanium dioxide.
The high reflectance coating further includes adhesive layer in one of the embodiments, and the adhesive layer is tightly attached to described
First reflecting layer.
The material of the adhesive layer is chromium in one of the embodiments,.
The flourescent sheet baseplate heat sink is provided with several waveform rib fins in one of the embodiments,.
The laser radiator is provided with several waveform rib fins in one of the embodiments,.
The flourescent sheet baseplate heat sink offers several heat release holes in one of the embodiments,.
During the work time, the semiconductor laser blue light is glimmering to ceramics for above-mentioned automobile new pattern laser headlamp
On mating plate, the semiconductor can be passed through during the blue light of the semiconductor laser reaches the ceramic fluorescent piece
The condenser lens of the transmitting terminal setting of laser, the condenser lens converge the blue light of the semiconductor laser
It handles to reduce the dough softening of the blue light of the semiconductor laser.During the work time due to the semiconductor laser
Operating power is big, causes the semiconductor laser heat condition serious, the laser connecting with the semiconductor laser
Device radiator is conducive to the semiconductor laser heat dissipation, while ensure that the semiconductor laser can work long hours
Extend the service life of the semiconductor laser.When the ceramic fluorescent piece receives the semiconductor laser
When blue light, the fluorescent powder inside the ceramic fluorescent piece by yellow light is issued after blue laser stimulation, send out by the ceramic fluorescent piece
The blue light of yellow light and the semiconductor laser out is mixed as white light used in automotive lighting.Due to blue laser
The irradiation ceramic fluorescent sector-meeting it is heating up.The height that the fluorescence plate base is arranged close to the one side of the ceramic fluorescent piece
Thermal conductivity adhesive and the flourescent sheet baseplate heat sink can effectively radiate to the ceramic fluorescent piece.The pottery
On the one hand porcelain flourescent sheet ensure that the ceramic fluorescent backwards to the high reflectance coating that the one side of the semiconductor laser is arranged
Piece goes out the blu-ray reflection of the semiconductor laser, creates a further reduction the indigo plant of the semiconductor laser
The dough softening of light.On the other hand, the heating up problem of the ceramic fluorescent piece is also alleviated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automobile new pattern laser headlamp in one embodiment；
Fig. 2 is the partial structure diagram of automobile new pattern laser headlamp in one embodiment；
Fig. 3 is the partial structure diagram of automobile new pattern laser headlamp in one embodiment；
Fig. 4 is another structural schematic diagram of automobile new pattern laser headlamp in one embodiment；
Fig. 5 is the structural schematic diagram of automobile new pattern laser headlamp in one embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, be not offered as being uniquely to implement
Mode.
It is one of one embodiment automobile new pattern laser headlamp 10 also referring to Fig. 1 and Fig. 2, it is described
Automobile new pattern laser headlamp 10 includes: semiconductor laser 100, laser radiator 200, ceramic fluorescent piece 300, fluorescence
Plate base 310 and flourescent sheet baseplate heat sink 400.In the present embodiment, the semiconductor laser 100 is led for high-power half
Body laser radiator, in 10 course of work of automobile new pattern laser headlamp, the semiconductor laser 100 can be produced
Raw a large amount of heat can damage institute if the amount of heat that the semiconductor laser 100 generates cannot timely and effectively be discharged
Other components of automobile new pattern laser headlamp 10 are stated, and can also shorten making for the semiconductor laser 100 itself
Use the service life.The semiconductor laser 100 is connect with the laser radiator 200, and the laser radiator 200 is used for will
The heat that the semiconductor laser 100 generates be effectively dissipated away.The material of the flourescent sheet baseplate heat sink 400 is
Copper, in other embodiments, the material of the flourescent sheet baseplate heat sink are aluminium.In the present embodiment, the fluorescence plate base
Radiator 400 offers several heat release holes.In other embodiments, the flourescent sheet baseplate heat sink 400 is provided with several waves
Shape wave rib fin, to increase the contact area of the flourescent sheet baseplate heat sink 400 and air.The fluorescence plate base 310 with
The flourescent sheet baseplate heat sink 400 connects.The flourescent sheet baseplate heat sink 400 is for producing the fluorescence plate base 310
Raw heat be effectively dissipated away.The laser radiator 200 is connect with the flourescent sheet baseplate heat sink 400, with solid
The positional relationship of the fixed semiconductor laser 100 and the ceramic fluorescent piece 300.The laser radiator 200 emits indigo plant
On the laser of color to the ceramic fluorescent piece 300, the ceramic fluorescent piece 300 can generate heat under the irradiation of laser, if described
The temperature of ceramic fluorescent piece 300 is excessively high, and the ceramic fluorescent piece 300 may be burned.The fluorescence plate base 310 with it is described
Ceramic fluorescent piece 300 connects, in order to enhance the thermal conductivity of the ceramic fluorescent piece 300, in the present embodiment, the fluorescence chip base
Plate 310 is copper base.In a further embodiment, the fluorescence plate base is aluminum substrate.So that the ceramic fluorescent piece 300
Heat is quickly conducted to the fluorescence plate base 310 and the external world is dispersed by the flourescent sheet baseplate heat sink 400.
In order to increase the efficiency that the blue laser that the semiconductor laser 100 emits is converted into white light, referring to Fig. 1,
The transmitting terminal of the semiconductor laser 100 is provided with condenser lens 110 in one of the embodiments,.The condenser lens
110 optical axis is coaxial with the optical axis of laser that the semiconductor laser 100 emits.The condenser lens 110 is partly led described
The blue light that body laser 100 emits is emitted on the ceramic fluorescent piece 300 after carrying out convergence processing to increase and described partly lead again
The blue laser that body laser 100 emits is converted into the efficiency of white light.In the present embodiment, the condenser lens 110 is transmission
The structure of formula condenser lens, transmission-type condenser lens is simple, and optical element is less.Transmission-type condenser lens swashs the semiconductor
The blue laser that light device 100 emits axially gathers on the ceramic fluorescent piece 300, by the institute of transmission-type condenser lens
The light beam for stating the blue laser of the transmitting of semiconductor laser 100 is easy to adjust and allow laser beam to have the small partially of bias etc
Difference, that is to say, that take in lens with allowing laser beam bias or angle deviating.110 surface of condenser lens is coated with high saturating
Cross the optical thin film of rate.In this way, the condenser lens 110 that the transmitting terminal of the semiconductor laser 100 is arranged effectively increases
The blue laser that the semiconductor laser 100 emits is converted into the efficiency of white light.
In order to control the illumination direction of the automobile new pattern laser headlamp 10, referring to Fig. 1, an implementation wherein
In example, the normal and the semiconductor laser of area of illumination of the ceramic fluorescent piece 300 towards the semiconductor laser 100
The optical axis of the laser of 100 transmittings is in 45 degree of angles.The front focus of the condenser lens 110 be located at the ceramic fluorescent piece 300 towards
The geometric center of the area of illumination of the semiconductor laser 100, so that vertical by the light that the ceramic fluorescent piece 300 reflects
Emit downwards in the light of the semiconductor laser 100 transmitting.That is, emitting the semiconductor laser 100
Direction of the laser far from the automobile new pattern laser headlamp 10 and the laser that emits of the vertical semiconductor laser 100
Optical axis direction under issue.In this way, the vertical semiconductor laser of the illumination direction of the automobile new pattern laser headlamp 10
It is issued under the optical axis direction of the laser of 100 transmittings.
In order to improve the reflectivity for the laser that the ceramic fluorescent piece 300 emits the semiconductor laser 100, one is asked
And refering to refering to Fig. 2 and Fig. 3, the ceramic fluorescent piece 300 is backwards to the semiconductor laser in one of the embodiments,
100 are provided with high reflectance coating 320 on one side, so that described in the laser by the high reflectance coating 320 reflection passes through
The center of ceramic fluorescent piece 300.In the present embodiment, the high reflectance coating 320 is High Temperature Oxidation object composite material.
In other embodiments, the high reflectance coating includes the first reflecting layer 321, the second reflecting layer 322 and third reflecting layer
323, one side of the ceramic fluorescent piece 300 backwards to the semiconductor laser 100, institute are tightly attached in the third reflecting layer 323
It states the second reflecting layer 322 and is tightly attached to the third reflecting layer, second reflecting layer 322 is tightly attached in first reflecting layer 321.
The material in first reflecting layer 321 is silver, and the material in second reflecting layer 322 is silica, the third reflecting layer
323 material is titanium dioxide.In a further embodiment, the high reflectance coating further includes adhesive layer 324, the attachment
Layer 324 is tightly attached to first reflecting layer 321, and the material of the adhesive layer 324 is chromium.The adhesive layer 324 is for improving institute
State the conjugation between the first reflecting layer 321 and the fluorescence plate base 310.In this way, the ceramic fluorescent piece 300 is backwards to described
The high reflectance coating 320 of the one side setting of semiconductor laser 100 improves the ceramic fluorescent piece 300 to the semiconductor
The reflectivity for the laser that laser 100 emits.
In order to which the ceramic fluorescent piece 300 and the fluorescence plate base 310 are securely bonded together, referring to Fig. 2,
Fluorescence plate base 310 is provided with high thermal conductivity bonding close to the ceramic fluorescent piece 300 on one side in one of the embodiments,
Agent 330, the ceramic fluorescent piece 300 backwards to the semiconductor laser 100 one side by the high thermal conductivity adhesive with
The fluorescence plate base 310 connects.In a further embodiment, flourescent sheet substrate is arranged towards the one side of the ceramic fluorescent piece
Have a cooling fin adhesive, the ceramic fluorescent piece backwards to the semiconductor laser one side by the cooling fin adhesive with
The fluorescence plate base connection.In this way, the high thermal conductivity that fluorescence plate base 310 is arranged close to the one side of the ceramic fluorescent piece 300
The ceramic fluorescent piece 300 and the fluorescence plate base 310 can be not only securely bonded together by rate adhesive 330, and
And be conducive to thermally conductive between the ceramic fluorescent piece 300 and the fluorescence plate base 310, it strengthens to the ceramic fluorescent piece
300 protection.
In order to further control the illumination direction of the automobile new pattern laser headlamp 10, referring to Fig. 5, wherein
In one embodiment, the automobile new pattern laser headlamp 10 further includes free-form surface reflector 500.The free form surface is anti-
Emitter 500 is connect with the flourescent sheet baseplate heat sink 400.The ceramic fluorescent piece 300 is towards the semiconductor laser 100
The geometric center of area of illumination be located at the focal point of the free-form surface reflector 500, the ceramic fluorescent piece 300 reflects
White laser projected after the free-form surface reflector 500 reflects and pools collimated light beam.By the free form surface
The light beam that reflector 500 reflects is parallel with the optical axis of laser that the semiconductor laser 100 emits and passes through the freedom
The direction for the light beam that curved surface reflector 500 is launched and the direction of the semiconductor laser 100 transmitting laser are in the same direction.In this way,
Realization while the automobile new pattern laser headlamp 10 can change illumination direction using the free-form surface reflector 500
Uniform Illumination, i.e., primary event of the white light through the free-form surface reflector 500 that the described ceramic fluorescent piece 300 reflects
The rectangular illuminating area of uniform in shaping later.
During the work time, the semiconductor laser 100 emits blue light to pottery to above-mentioned automobile new pattern laser headlamp
On porcelain flourescent sheet 300, the meeting during blue light of the semiconductor laser 100 transmitting reaches ceramic fluorescent piece 300
By the condenser lens 110 that the transmitting terminal of the semiconductor laser 100 is arranged, the condenser lens 110 is by the semiconductor
The blue light that laser 100 emits carries out convergence processing and is converted into increasing the blue laser that the semiconductor laser 100 emits
The efficiency of white light.Since operating power is big during the work time, leads to the semiconductor laser for the semiconductor laser 100
100 heat conditions are serious, and the laser radiator 200 connecting with the semiconductor laser 100 is conducive to described partly lead
Body laser 100 radiates, and ensure that and extends the semiconductor while semiconductor laser 100 can work long hours
The service life of laser 100.When the ceramic fluorescent piece 300 receives the blue light that the semiconductor laser 100 emits,
By yellow light is issued after blue laser stimulation, the ceramic fluorescent piece 300 issues fluorescent powder inside the ceramic fluorescent piece 300
Yellow light and the semiconductor laser 100 transmitting blue light mix as white light used in automotive lighting.Since blue swashs
The irradiation of the light ceramic fluorescent piece 300 can be heating up.The fluorescence plate base 310 is close to the ceramic fluorescent piece 300
The high thermal conductivity adhesive and the flourescent sheet baseplate heat sink 400 being arranged on one side can be effectively to the ceramic fluorescent pieces
300 radiate.The high reflectance coating that the ceramic fluorescent piece 300 is arranged backwards to the one side of the semiconductor laser 100
On the one hand it ensure that the ceramic fluorescent piece 300 goes out the blu-ray reflection that the semiconductor laser 100 emits, further
Reduce the dough softening for the blue light that the semiconductor laser 100 emits.On the other hand, the ceramic fluorescent piece is also alleviated
300 heating up problem.
It is described glimmering in one of the embodiments, in order to further enhance the heat dissipation performance of the ceramic fluorescent piece 300
Mating plate substrate 310 is provided with high thermal conductivity materials, the flourescent sheet baseplate heat sink far from the ceramic fluorescent piece 300 on one side
400 are welded by the high thermal conductivity materials and the fluorescence plate base 310.In the present embodiment, the high thermal conductivity materials
For tin cream.In other embodiments, the high thermal conductivity materials are graphene.In a further embodiment, the high thermal conductivity
Material is heat-conducting silica gel sheet.In this way, the fluorescence plate base 310 is led far from the height that the one side of the ceramic fluorescent piece 300 is arranged
Conductivity material, increases the heating conduction of the fluorescence plate base 310 and the flourescent sheet baseplate heat sink 400, and then enhances
The heat dissipation performance of the ceramic fluorescent piece 300, extends the service life of the ceramic fluorescent piece 300.
In order to improve the heat dissipation performance of the laser radiator 200, referring to Fig. 4, institute in one of the embodiments,
It states laser radiator 200 and offers mounting groove 210, the semiconductor laser 100 is at least partly inserted in the mounting groove
It is connect in 210 with the laser radiator 200.In the present embodiment, the laser radiator 200 offers several heat dissipations
Hole 220.In other embodiments, the laser radiator is provided with several waveform rib fins, to increase the laser
The contact area of radiator 200 and air.In the present embodiment, the material of the laser radiator 200 is copper.Wherein one
In a embodiment, the material of the laser radiator is aluminium.In this way, several heat dissipations that the laser radiator 200 opens up
Hole 220 increases the contact area of the laser radiator 200 and air, improves the heat dissipation of the laser radiator 200
Performance.
In order to be packaged to the automobile new pattern laser headlamp 10, the automobile in one of the embodiments,
It further include lampshade with new pattern laser headlamp 10, the semiconductor laser 100, the laser radiator 200, the ceramics
Flourescent sheet 300, the fluorescence plate base 310, the flourescent sheet baseplate heat sink 400 and the free-form surface reflector are received
It is dissolved in the lampshade.In the present embodiment, the material of the lampshade is polycarbonate.The hardness of polycarbonate is big, intensity is high,
Good toughness, uvioresistant translucency are good.In this way, the lampshade is to the semiconductor laser 100, the laser radiator
200, the ceramic fluorescent piece 300, the fluorescence plate base 310 and the flourescent sheet baseplate heat sink 400 are packaged, and are mentioned
The high integration of the automobile new pattern laser headlamp 10.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of automobile new pattern laser headlamp characterized by comprising semiconductor laser, laser radiator, ceramics
Flourescent sheet, fluorescence plate base, flourescent sheet baseplate heat sink and free-form surface reflector；The semiconductor laser swashs with described
The connection of light device radiator, the laser radiator are connect with the flourescent sheet baseplate heat sink, the fluorescence plate base and institute
The connection of ceramic fluorescent piece is stated, the fluorescence plate base is connect with the flourescent sheet baseplate heat sink, the free-form surface reflector
It is connect with the baseplate heat sink；
The transmitting terminal of the semiconductor laser is provided with condenser lens；
The condenser lens surface is coated with the optical thin film of high transmittance；
The optical axis of the condenser lens is coaxial with the optical axis of the laser of the semiconductor laser；
The normal of the area of illumination of the ceramic fluorescent piece towards the semiconductor laser and the semiconductor laser
The optical axis of laser is in 45 degree of angles；The front focus of the condenser lens is located at the ceramic fluorescent piece towards the semiconductor laser
Area of illumination geometric center so that by the ceramic fluorescent piece reflection light perpendicular to the semiconductor laser
Light emit downwards；
The geometric center of the area of illumination of the ceramic fluorescent piece towards the semiconductor laser is located at free form surface reflection
The focal point of device, the light of the laser of the light beam and the semiconductor laser that are reflected by the free-form surface reflector
Axis is parallel and passes through the direction for the light beam that the free-form surface reflector is launched and the semiconductor laser laser
Direction is in the same direction；
The ceramic fluorescent piece is provided with high reflectance coating backwards to the semiconductor laser on one side, so that by the height
The laser of reflectivity coating reflection passes through the center of the ceramic fluorescent piece；
The fluorescence plate base is provided with high thermal conductivity adhesive, the ceramic fluorescent piece close to the ceramic fluorescent piece on one side
One side backwards to the semiconductor laser is connect by the high thermal conductivity adhesive with the fluorescence plate base.
2. automobile new pattern laser headlamp according to claim 1, which is characterized in that the fluorescence plate base is aluminium base
Plate.
3. automobile new pattern laser headlamp according to claim 1, which is characterized in that the flourescent sheet baseplate heat sink
Material be aluminium.
4. automobile new pattern laser headlamp according to claim 1, which is characterized in that the flourescent sheet baseplate heat sink
Material be copper.
5. automobile new pattern laser headlamp according to claim 1, which is characterized in that the high reflectance coating includes
The ceramic fluorescent piece is tightly attached to backwards to described in first reflecting layer, the second reflecting layer and third reflecting layer, the third reflecting layer
The third reflecting layer is tightly attached in the one side of semiconductor laser, second reflecting layer, and institute is tightly attached in first reflecting layer
The second reflecting layer is stated, the material in first reflecting layer is silver, and the material in second reflecting layer is silica, the third
The material in reflecting layer is titanium dioxide.
6. automobile new pattern laser headlamp according to claim 5, which is characterized in that the high reflectance coating also wraps
Adhesive layer is included, the adhesive layer is tightly attached to first reflecting layer.
7. automobile new pattern laser headlamp according to claim 6, which is characterized in that the material of the adhesive layer is
Chromium.
8. automobile new pattern laser headlamp according to claim 1, which is characterized in that the flourescent sheet baseplate heat sink
It is provided with several waveform rib fins.
9. automobile new pattern laser headlamp according to claim 1, which is characterized in that the laser radiator setting
There are several waveform rib fins.
10. according to claim 1 to automobile new pattern laser headlamp described in any claim in 9, which is characterized in that institute
It states flourescent sheet baseplate heat sink and offers several heat release holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920076063.3U CN209262920U (en) | 2019-01-17 | 2019-01-17 | A kind of automobile new pattern laser headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920076063.3U CN209262920U (en) | 2019-01-17 | 2019-01-17 | A kind of automobile new pattern laser headlamp |
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| Publication Number | Publication Date |
|---|---|
| CN209262920U true CN209262920U (en) | 2019-08-16 |
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| CN201920076063.3U Active CN209262920U (en) | 2019-01-17 | 2019-01-17 | A kind of automobile new pattern laser headlamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321825A (en) * | 2022-01-12 | 2022-04-12 | 深圳市必拓电子股份有限公司 | Laser wavelength conversion fluorescent film applied to automobile ultra-long distance illumination and fluorescent sheet with fluorescent film |
-
2019
- 2019-01-17 CN CN201920076063.3U patent/CN209262920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321825A (en) * | 2022-01-12 | 2022-04-12 | 深圳市必拓电子股份有限公司 | Laser wavelength conversion fluorescent film applied to automobile ultra-long distance illumination and fluorescent sheet with fluorescent film |
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