CN207831256U - Lighting device and headlight for vehicles - Google Patents
Lighting device and headlight for vehicles Download PDFInfo
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- CN207831256U CN207831256U CN201820244900.4U CN201820244900U CN207831256U CN 207831256 U CN207831256 U CN 207831256U CN 201820244900 U CN201820244900 U CN 201820244900U CN 207831256 U CN207831256 U CN 207831256U
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Abstract
The utility model is suitable for technical field of lighting fixtures, provide a kind of lighting device and headlight for vehicles, the lighting device includes substrate, the laser for emitting blue light to the both sides of substrate and the fluorescence ceramics piece for receiving blue light, each fluorescence ceramics piece generates yellow light after the corresponding blue light excitation in part, and yellow light is mixed to form white light with corresponding unexcited some blue light；Further include across simultaneously reflected white-light for the blue light for the transmitting of each laser so that the reflector of the quasi-parallel injection of the white light.Compared with prior art, the utility model is provided with fluorescence ceramics piece in the both sides of substrate, and by double fluorescence ceramics pieces, under same illumination condition, obtained white brightness is high, the good illumination effect of lighting device；By the way that reflector is arranged, it is ensured that by white light all quasi-parallel injections, avoid the waste of light, and then improve the brightness of white light so that use the good illumination effect of the headlight for vehicles of the lighting device.
Description
Technical field
The utility model belongs to technical field of lighting fixtures, is to be related to a kind of lighting device and using should more specifically
The headlight for vehicles of lighting device.
Background technology
As German Bayerische Motorne Werke Aktiengeellschaft and company of Audi are successively by the assembly of laser headlight on automobile, it is applied to swashing on automobile
Wide lamp becomes the hot spot of research for the moment.
Currently, vehicle laser headlight mainly uses tricolor laser mixing to generate the scheme of white light, and swashed using laser
Fluoresce the scheme of powder.For former scheme since unsuitable solid-state green laser is available, power is smaller, expensive, deposits
In corresponding technical bottleneck and cost problem；For latter scheme since fluorescent powder heat resistance is poor, the energy of dual-laser is very
High, the luminous point temperature being irradiated on fluorescent powder also can be corresponding very high, and under lasting laser irradiation, fluorescent powder can be quickly
Deterioration failure, launching efficiency is low, causes brightness of illumination undesirable.
Utility model content
The purpose of this utility model is to provide a kind of lighting devices, are shone with solving headlight for vehicles existing in the prior art
The problem of obvious results fruit difference.
To achieve the above object, the technical solution adopted in the utility model is：A kind of lighting device is provided, including：Substrate；
Fluorescence ceramics piece is respectively arranged on the both sides on the substrate and positioned at the substrate, white to send out for receiving blue light
Light；
Laser, for emitting blue light to the fluorescence ceramics on piece of the both sides of the substrate, and through respective collimation
It is projected with nearly directional light after collimated.
Reflector is set between each fluorescence ceramics piece and the corresponding laser, for for each laser hair
The blue light penetrated passes through and reflects the white light so that the quasi-parallel injection of the white light.
Further, further include being set to the substrate both sides to be respectively used to the blu-ray reflection of each laser transmitting extremely
The arc-shaped reflecting mirror of the corresponding fluorescence ceramics piece, each arc-shaped reflecting mirror are set to the beam projecting side of the corresponding laser
Upwards.
Further, the reflector is in half paraboloid configuration, and each fluorescence ceramics piece is set to the reflector
Focal point.
Further, the one side that the reflector is used to reflect the white light is orange peel reflective surface or micro- orange peel reflective surface.
Further, the reflector is used to reflect the one side of the white light equipped with reflectance coating.
Further, the lighting device further includes the heat dissipation fins for carrying out radiating treatment to the laser.
Further, further include making pottery for the blue light for corresponding to the laser transmitting to be converged at the corresponding fluorescence
The plus lens of tile, each plus lens are set on the beam projecting direction of the corresponding laser.
Further, face of the plus lens towards the laser is arranged for plane, and the plus lens is towards institute
The face of fluorescence ceramics piece is stated for spherical surface to be arranged.
The another object of the utility model is to provide a kind of headlight for vehicles, including above-mentioned lighting device.
The advantageous effect of lighting device and headlight for vehicles provided by the utility model is：Compared with prior art, this reality
The both sides of substrate are provided with fluorescence ceramics piece with novel, by double fluorescence ceramics pieces, under same illumination condition, what is obtained is white
Brightness is high, the good illumination effect of lighting device；By the way that reflector is arranged, it is ensured that by white light all quasi-parallel injections, avoid
The waste of light, and then improve the brightness of white light so that use the good illumination effect of the headlight for vehicles of the lighting device.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the lighting device that the utility model embodiment one provides；
Fig. 2 is the structural schematic diagram for the lighting device that the utility model embodiment two provides.
Wherein, each reference numeral in figure：
1- substrates；
2- lasers；21- collimation lenses；
3- fluorescence ceramics pieces；4- reflectors；5- arc-shaped reflecting mirrors；6- heat dissipation fins；7- plus lens.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In the description of the present invention, it should be understood that term "center", " length ", " width ", " thickness ",
The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or
Position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
It does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, because
This should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the interaction relationship of the connection or two elements inside two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
Embodiment one：
Also referring to Fig. 1, the lighting device now provided the utility model embodiment one illustrates.The lighting device
Including substrate 1 and the laser 2 for being set to 1 one end of substrate, above-mentioned laser 2 can emit blue light, light warp to the both sides of substrate 1
Respective collimation lens 21 is projected after collimating with nearly directional light.Fluorescence ceramics piece 3, above-mentioned fluorescence ceramics piece 3 are provided on substrate 1
For two panels, the both sides of substrate 1 are respectively arranged at, two panels fluorescence ceramics piece 3 can receive the blue light that corresponding laser 2 emits.Part
The blue light of injection can excite corresponding fluorescence ceramics piece 3 that it is made to generate yellow light, and above-mentioned yellow light is mixed with unexcited some blue light
After form white light.Reflector 4 is provided between laser 2 and fluorescence ceramics piece 3, above-mentioned reflector 4 can be used for for laser 2
The blue light of transmitting passes through, it can also be used to carry out reflection processing to above-mentioned white light, and by the quasi-parallel injection of white light after reflection.
Lighting device provided by the utility model, compared with prior art, the utility model are provided in the both sides of substrate 1
Fluorescence ceramics piece 3, by double fluorescence ceramics pieces 3, under same illumination condition, obtained white brightness is high, the photograph of lighting device
Obvious results fruit is good；By the way that reflector 4 is arranged, it is ensured that by white light all quasi-parallel injections, avoid the waste of light, and then improve white
The brightness of light so that use the good illumination effect of the headlight for vehicles of the lighting device.
Further, also referring to Fig. 1, one kind of the lighting device as the offer of the utility model embodiment one is specific
Embodiment further includes being respectively used to the blu-ray reflection for emitting each laser 2 to corresponding fluorescence ceramics piece set on 1 both sides of substrate
3 arc-shaped reflecting mirror 5, each arc-shaped reflecting mirror 5 are set on the beam projecting direction of corresponding laser 2.Set on swashing for 1 one end of substrate
Light device 2 emits blue light to the both sides of substrate 1, and through this structure, each arc-shaped reflecting mirror 5 can be by the different blu-ray reflections of the same direction
It all reflexes on corresponding fluorescence ceramics piece 3, passes through on corresponding fluorescence ceramics piece 3, and by the blue light of different directions
Blue light can all be reflected away, and then the exposure intensity of light can be improved by this structure.
Further, also referring to Fig. 1, one kind of the lighting device as the offer of the utility model embodiment one is specific
Embodiment, reflector 4 are in half paraboloid configuration, and each fluorescence ceramics piece 3 is respectively positioned on the focal point of reflector 4.This structure, it is reflective
Cup 4 passes through for the blue light that laser 2 emits, and some blue light excites corresponding fluorescence ceramics piece 3 that it is made to generate yellow light, the yellow light
It is mixed to form white light with unexcited some blue light.Since white light beam is diverging, can be incited somebody to action by the reflector 4 of half paraboloid
The white light beam of different directions reflects so that and the white light beam of different directions converges the past same direction and quasi-parallel injection, because
The reflectivity of white light can be improved in this, and then increases the brightness of white light, the good illumination effect of lighting device.
Further, also referring to Fig. 1, one kind of the lighting device as the offer of the utility model embodiment one is specific
Embodiment, reflector 4 are orange peel reflective surface or micro- orange peel reflective surface for the one side of reflected white-light.This structure, on the one hand, tangerine
Skin reflective surface or micro- orange peel reflective surface are during to beam emissions, since there are diffusing reflection, the white light after reflection is equal
It is even, and the collimating effect of white light beam is good；On the other hand, orange peel reflective surface or micro- orange peel reflective surface it is easily designed and processing,
And then the production and processing efficiency of lighting device can be improved.In other embodiments, reflector 4 also may be used for the one side of reflected white-light
Think other configuration faces, does not limit uniquely herein.
Further, also referring to Fig. 1, one kind of the lighting device as the offer of the utility model embodiment one is specific
Embodiment, one side of the reflector 4 for reflected white-light are equipped with reflectance coating (attached drawing is not drawn into).This structure so that blue light with
The white light that yellow light is mixed to form obtains sufficient transmitting, and reflectance coating can be improved the reflectivity of white light beam, reduce white light beam
Loss so that white light can be uniform and collimates injection, improves the illuminating effect of lighting device.
Further, also referring to Fig. 1, one kind of the lighting device as the offer of the utility model embodiment one is specific
Embodiment, lighting device further include the heat dissipation fins 6 for carrying out radiating treatment to laser 2.Since laser 2 is emitting
During light beam, laser 2 will produce certain heat in itself, and the light beam launched has higher energy, is irradiated to glimmering
Temperature on light ceramic piece 3 is also very high.Through this structure, the heat of laser 2 is transmitted to heat dissipation fins 6 by substrate 1, then by dissipating
Hot fins 6 distribute；Fluorescence ceramics piece 3 generates amount of heat after being irradiated by light beam, heat transfer to substrate 1, substrate 1 is again
Heat is distributed heat transfer extremely heat dissipation fins 6, then by the fins 6 that radiate.Therefore, the application passes through fluorescence ceramics piece
3 substitute traditional fluorescent powder, and heat resistance is more preferable, can avoid the deterioration failure of fluorescent powder at high temperature, and the application passes through heat dissipation
The setting of fins 6 distributes heat, can reduce the temperature of lighting device, extends its service life.
Embodiment two：
Also referring to Fig. 2, the lighting device now provided the utility model embodiment two illustrates.The embodiment two
It is existing with above-described embodiment one the difference is that：Two lasers 2 are set at the both sides of the substrate 1 of horizontal plane.Two
The beam projecting direction of a laser 2 is directed to corresponding fluorescence ceramics piece 3.It is all provided on the beam projecting direction of laser 2
It is equipped with plus lens 7, which can be by light beam cover that laser 2 emits on corresponding fluorescence ceramics piece 3.
Heat dissipation fins 6 are both provided on two lasers 2, each radiate is both provided with substrate 1 between fins 6 and corresponding laser 2, locates
Heat dissipation fins 6 are also equipped in one end of the substrate 1 of horizontal plane, heat dissipation fins 6 can be used for dissipating laser 2 and substrate 1
Heat treatment, can be improved the use reliability of lighting device, extends the service life of lighting device.
Further, also referring to Fig. 2, one kind of the lighting device as the offer of the utility model embodiment two is specific
Embodiment, face of the plus lens 7 towards laser 2 are arranged for plane, and face of the plus lens 7 towards fluorescence ceramics piece 3 is ball
Face is arranged.This structure, the light beam that laser 2 is launched are injected through above-mentioned plane in plus lens 7, and the direction of light beam is not sent out substantially
Changing；Light beam reflects after above-mentioned spherical surface, and plus lens 7 can be by the light beam cover after refraction to corresponding fluorescence
On potsherd 3 so that fluorescence ceramics piece 3 is adequately excited and generated stronger light beam, and then improves the photograph of lighting device
Obvious results fruit.In other embodiments, plus lens 7 or other configurations, do not limit uniquely herein.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (9)
1. lighting device, which is characterized in that including：
Substrate；
Fluorescence ceramics piece is respectively arranged on the both sides on the substrate and positioned at the substrate, for receiving blue light to send out white light；
Laser, for emitting blue light to the fluorescence ceramics on piece of the both sides of the substrate；
Reflector is set between each fluorescence ceramics piece and the corresponding laser, for for each laser transmitting
The blue light passes through and reflects the white light so that the quasi-parallel injection of the white light.
2. lighting device as described in claim 1, it is characterised in that：Further include that be respectively used to set on the substrate both sides will be each
To the arc-shaped reflecting mirror of the correspondence fluorescence ceramics piece, each arc-shaped reflecting mirror is set to the blu-ray reflection of laser transmitting
On the beam projecting direction of the corresponding laser.
3. lighting device as described in claim 1, it is characterised in that：The reflector is in half paraboloid configuration, each described glimmering
Light ceramic piece is set to the focal point of the reflector.
4. lighting device as claimed in claim 3, it is characterised in that：The reflector is used to reflect the one side of the white light
Orange peel reflective surface or micro- orange peel reflective surface.
5. lighting device as claimed in claim 3, it is characterised in that：The reflector is used to reflect the one side of the white light
Equipped with reflectance coating.
6. lighting device as described in claim 1, it is characterised in that：The lighting device further includes for the laser
Carry out the heat dissipation fins of radiating treatment.
7. lighting device as described in claim 1, it is characterised in that：It further include the institute for the laser transmitting will to be corresponded to
The plus lens that blue light converges at the corresponding fluorescence ceramics piece is stated, each plus lens is set to the light of the corresponding laser
In line exit direction.
8. lighting device as claimed in claim 7, it is characterised in that：Face of the plus lens towards the laser is flat
Face is arranged, and face of the plus lens towards the fluorescence ceramics piece is arranged for spherical surface.
9. headlight for vehicles, it is characterised in that：Including such as claim 1-8 any one of them lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244900.4U CN207831256U (en) | 2018-02-09 | 2018-02-09 | Lighting device and headlight for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244900.4U CN207831256U (en) | 2018-02-09 | 2018-02-09 | Lighting device and headlight for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207831256U true CN207831256U (en) | 2018-09-07 |
Family
ID=63398231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820244900.4U Active CN207831256U (en) | 2018-02-09 | 2018-02-09 | Lighting device and headlight for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207831256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737354A (en) * | 2019-03-01 | 2019-05-10 | 苏州晶清光电科技有限公司 | The headlamp of distance-light one |
-
2018
- 2018-02-09 CN CN201820244900.4U patent/CN207831256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737354A (en) * | 2019-03-01 | 2019-05-10 | 苏州晶清光电科技有限公司 | The headlamp of distance-light one |
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