CN207831257U - Lighting device and headlight for vehicles - Google Patents
Lighting device and headlight for vehicles Download PDFInfo
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- CN207831257U CN207831257U CN201820244978.6U CN201820244978U CN207831257U CN 207831257 U CN207831257 U CN 207831257U CN 201820244978 U CN201820244978 U CN 201820244978U CN 207831257 U CN207831257 U CN 207831257U
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- lighting device
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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 and the fluorescence ceramics piece for receiving blue light, fluorescence ceramics piece generates yellow light after some blue light excites, and yellow light is mixed to form white light with unexcited some blue light；It further include the spectroscope by blu-ray reflection that laser emits to the speculum of corresponding fluorescence ceramics piece and for going out white light reflection.The utility model is by double fluorescence ceramics pieces, and under same illumination condition, obtained white brightness is high, the good illumination effect of lighting device；Spectroscope is penetrated for blue light and reflected white-light, it is ensured that by white light all quasi-parallel injections, avoids the waste of light, and then improve the brightness of white light, uses 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；
Several lasers are set to the both sides of the substrate, for emitting blue light；
Fluorescence ceramics piece on the substrate and is located at the both sides of the substrate, for receiving the substrate both sides
The blue light of the corresponding laser transmitting simultaneously sends out white light；
Several speculums are respectively arranged on the beam projecting direction of each laser, for sending out each laser
The blu-ray reflection penetrated is to the correspondence fluorescence ceramics piece；
Spectroscope is set between the speculum and the corresponding fluorescence ceramics piece, simultaneously anti-for being passed through for the blue light
Penetrate the white light that the fluorescence ceramics piece is sent out.
Further, further include be set between each fluorescence ceramics piece and the corresponding spectroscope and be used for will be described glimmering
The lens subassembly for the parallel injection of white light that light ceramic piece is sent out.
Further, further include being set on the substrate for being dissipated to each fluorescence ceramics piece of the substrate both sides
The heat dissipation fins of heat treatment.
Further, the lens subassembly includes being set to be used in combination between each fluorescence ceramics piece and the corresponding spectroscope
In the parallel injection of white light for sending out the fluorescence ceramics piece the first lens and set on each first lens with it is corresponding described in
The second lens that light ray parallel between spectroscope for projecting first lens projects.
Further, further include being set on each spectroscopical beam projecting direction and for converging the spectroscope hair
The white light penetrated and the rhombic prism reflected.
Further, the rhombic prism is two, two V-shaped settings of rhombic prism.
Further, further include the light emitting diode for being set to the substrate both sides and being used to provide blue light.
Further, further include being set between each light emitting diode and the corresponding spectroscope for making each luminous two
The blue light normal sheaf that pole pipe is sent out corresponds to spectroscopical the third lens.
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；It can be reduced by blu-ray reflection to corresponding fluorescence ceramics piece by speculum
Gap between each light beam reduces the overall dimensions of light beam；It, can for blue light transmission and reflected white-light by the way that spectroscope is arranged
Ensure, by white light all quasi-parallel injections, to avoid the waste of light, and then improve the brightness of white light so that use the lighting device
Headlight for vehicles good illumination effect.
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 provides.
Wherein, each reference numeral in figure：
1- substrates；2- lasers；3- fluorescence ceramics pieces；4- speculums；5- spectroscopes；The first lens of 6-；7- rhombic prisms；
8- heat dissipation fins；The second lens of 9-；10- light emitting diodes；11- the third lens；12- lens subassemblies.
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 addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply 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 one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
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.
Also referring to Fig. 1, now lighting device provided by the utility model is illustrated.The lighting device includes substrate
1 and on the substrate 1 and positioned at 1 both sides of substrate fluorescence ceramics piece 3, be respectively arranged with several use in the both sides of substrate 1
In the laser 2 of transmitting blue light.Speculum 4 is both provided on the beam projecting direction of each laser 2, each speculum 4 can incite somebody to action
On the blu-ray reflection to corresponding fluorescence ceramics piece 3 that corresponding laser 2 emits, each fluorescence ceramics piece 3 is through the corresponding blue light in part
Yellow light is generated after excitation, above-mentioned yellow light forms white light with the unexcited blue light in part.It is additionally provided with point in the both sides of substrate 1
Light microscopic 5, each spectroscope 5 are respectively arranged between corresponding speculum 4 and corresponding fluorescence ceramics piece 3, and above-mentioned spectroscope 5 is for indigo plant
Light passes through, and can emit above-mentioned white light and make the parallel injection of the white light.
Compared with prior art, lighting device provided by the utility model is provided with fluorescence ceramics piece in the both sides of substrate 1
3, by double fluorescence ceramics pieces 3, under same illumination condition, obtained white brightness is high, the good illumination effect of lighting device；It is logical
The gap between each light beam can be reduced, reduce the whole of light beam by blu-ray reflection to corresponding fluorescence ceramics piece 3 by crossing speculum 4
Body size；By the way that spectroscope 5 is arranged, for blue light transmission and reflected white-light, 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.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula further includes parallel set on the white light between each fluorescence ceramics piece 3 and corresponding spectroscope 5 and for sending out fluorescence ceramics piece 3
The lens subassembly 12 of injection.This structure, blue light may pass through lens subassembly 12, and under the refraction action of lens subassembly 12, blue light
It can converge and be radiated on corresponding fluorescence ceramics piece 3 so that blue light excites the effect of fluorescence ceramics piece 3 good, and fluorescence ceramics piece 3 swashs
The white brightness generated after hair is high；White light can also be penetrated by the refraction action of the lens subassembly 12 from lens subassembly 12 is parallel
Go out, so that the collimating effect of white light is good, the depth of parallelism of white light is high, the good illumination effect of lighting device.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula further includes the heat dissipation fins 8 being set on substrate 1 for carrying out radiating treatment to each fluorescence ceramics piece 3 of 1 both sides of substrate.
Since the light beam that laser 2 is launched has higher energy, the temperature being irradiated on fluorescence ceramics piece 3 also very high.Pass through this
Structure, fluorescence ceramics piece 3 generate amount of heat after being irradiated by light beam, heat is distributed by the fins 8 that radiate.Therefore, originally
Application substitutes traditional fluorescent powder by fluorescence ceramics piece 3, can avoid the deterioration failure of fluorescent powder at high temperature, and the application is logical
The diffusion that heat dissipation fins 8 accelerate heat is crossed, the temperature of lighting device can be reduced, extend its service life.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula, lens subassembly 12 include being set between each fluorescence ceramics piece 3 and corresponding spectroscope 5 and for sending out fluorescence ceramics piece 3
First lens 6 of the parallel injection of white light and between each first lens 6 and corresponding spectroscope 5 for the first lens 6 to be projected
Light ray parallel project the second lens 9.Specifically, the curved surface of the first lens 6 is towards corresponding spectroscope 5, the first lens 6
Plane is towards corresponding fluorescence ceramics piece 3；The curved surface of second lens 9 is towards corresponding spectroscope 5, the plane face of the second lens 9
To the curved surface of corresponding first lens 6.This structure, by the way that the first lens 6 and the second lens 9 are arranged so that pass through spectroscope 5
Blue light is reflected twice, and the convergence effect of blue light is good so that on blue light illumination to corresponding fluorescence ceramics piece 3, avoids blue light
Waste so that the white light intensity that fluorescence ceramics piece 3 generates is high.White light can be made in the refraction of the first lens 6 and the second lens 9 again
It under, is projected from the second lens 9, the white light depth of parallelism acted on by double refraction is improved significantly.Therefore, lighting device is penetrated
The white brightness gone out is high, and the depth of parallelism is high, good illumination effect.In other embodiments, can also by increase lens quantity come
Illuminating effect is improved, is not limited uniquely herein.
Each spectroscope 5 is respectively arranged between speculum 4 and corresponding second lens 9.This structure, spectroscope 5 is for speculum 4
The blue light reflected passes through, blue light through the second lens 9 and the first lens 6 refraction after, blue light can cover in corresponding fluorescence
On potsherd 3 so that fluorescence ceramics piece 3 obtains sufficient excitation, so that the brightness of white light is high.White light is through the second lens 9
With the 6 quasi-parallel injection of the first lens, spectroscope 5 can carry out reflection processing to the white light of injection, adjust the direction of illumination of white light, then
Convergence through rhombic prism 7 so that the white brightness and the depth of parallelism that lighting device irradiates are all high, the illuminating effect of lighting device
It is good.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula further includes the white light on the beam projecting direction of each spectroscope 5 and for converging the spectroscope 5 transmitting and reflects
Rhombic prism 7.Specifically, it is both provided with rhombic prism 7 on the beam projecting direction of each spectroscope 5.This structure, white light is through each
Spectroscope 5 reflexes in corresponding rhombic prism 7, and each rhombic prism 7 can be totally reflected above-mentioned white light twice, therefore can change
Become the displacement of white light so that white light is converged, and the white brightness that lighting device irradiates is high；And white light is through each rhombic prism 7
The depth of parallelism for the white light that exit direction after reflection will not change, therefore irradiate is high, avoids the loss of white light beam,
And then improve the illuminating effect of lighting device.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula, rhombic prism 7 are two, two 7 V-shaped settings of rhombic prism.This structure, the white light reflected through corresponding spectroscope 5 pass through
After the double refraction of one rhombic prism 7, the depth of parallelism of white light is greatly improved.Two 7 V-shaped settings of rhombic prism,
The white light of the left and right sides can be converged, reduce the spacing between the white light of the left and right sides, and then the brightness of the white light of injection can be improved,
And then improve the illuminating effect of lighting device.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula further includes the light emitting diode 10 for being set to 1 both sides of substrate and being used to provide blue light.This structure, by adding light emitting diode 10,
The intensity of incident blue light can be increased, and then improve the intensity of white light so that the brightness for the white light that lighting device projects is high, illumination
The good illumination effect of device.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula further includes being set between each light emitting diode 10 and corresponding spectroscope 5 for keeping the blue light that each light emitting diode 10 is sent out flat
Row directive corresponds to the third lens 11 of spectroscope 5.Specifically, the plane of the third lens 11 is towards generation diode, the third lens
11 curved surface is towards spectroscope 5.This structure, the blue light launched due to light emitting diode 10 have direction diversity, by the
Three lens 11 can reflect the blue light of different exit directions so that the blue light projected from the third lens 11 has higher parallel
Degree improves the illuminating effect of lighting device so that the depth of parallelism for the white light that lighting device projects is high.
Further, also referring to Fig. 1, a kind of specific embodiment party as lighting device provided by the utility model
Formula, each laser 2 include for generating the transmitter of blue light (figure is not marked) and the standard for parallel injection after collimating blue light
Straight lens (figure is not marked), each collimation lens are set to one end that the corresponding transmitter is used to emit the blue light.This structure, passes through
One end of transmitter is provided with collimation lens, the parallel injection of light beam that transmitter can be made to emit improves the depth of parallelism of light beam, keeps away
Exempt from the loss of light beam, so that the power for the light of lighting device sent out is high, the good illumination effect of lighting device.
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；
Several lasers are set to the both sides of the substrate, for emitting blue light；
Fluorescence ceramics piece on the substrate and is located at the both sides of the substrate, is corresponded to for receiving the substrate both sides
The laser transmitting the blue light and send out white light；
Several speculums are respectively arranged on the beam projecting direction of each laser, for emit each laser
The blu-ray reflection is to the correspondence fluorescence ceramics piece；
Spectroscope is set between the speculum and the corresponding fluorescence ceramics piece, for being passed through for the blue light and reflecting institute
State the white light that fluorescence ceramics piece is sent out.
2. lighting device as described in claim 1, it is characterised in that：Further include being set to each fluorescence ceramics piece and corresponding institute
State the lens subassembly of the parallel injection of white light between spectroscope and for sending out the fluorescence ceramics piece.
3. lighting device as described in claim 1, it is characterised in that：Further include being set on the substrate for the substrate two
Each fluorescence ceramics piece of side carries out the heat dissipation fins of radiating treatment.
4. lighting device as claimed in claim 2, it is characterised in that：The lens subassembly includes being set to each fluorescence ceramics
Between piece and the corresponding spectroscope and for by the first lens of the parallel injection of white light that the fluorescence ceramics piece is sent out and setting
The of light ray parallel injection between each first lens and the corresponding spectroscope for projecting first lens
Two lens.
5. lighting device as claimed in claim 2, it is characterised in that：Further include being set to each spectroscopical beam projecting side
Upwards and for converging the white light that the spectroscope emits and the rhombic prism reflected.
6. lighting device as claimed in claim 5, it is characterised in that：The rhombic prism is two, two rectangle ribs
The V-shaped setting of mirror.
7. lighting device as described in claim 1, it is characterised in that：Further include being set to the substrate both sides for providing blue light
Light emitting diode.
8. lighting device as claimed in claim 7, it is characterised in that：Further include being set to each light emitting diode and corresponding institute
It states the blue light normal sheaf between spectroscope for making each light emitting diode send out and corresponds to spectroscopical the third lens.
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 |
|---|---|---|---|
| CN201820244978.6U CN207831257U (en) | 2018-02-09 | 2018-02-09 | Lighting device and headlight for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244978.6U CN207831257U (en) | 2018-02-09 | 2018-02-09 | Lighting device and headlight for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207831257U true CN207831257U (en) | 2018-09-07 |
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ID=63398230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820244978.6U Active CN207831257U (en) | 2018-02-09 | 2018-02-09 | Lighting device and headlight for vehicles |
Country Status (1)
| Country | Link |
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| CN (1) | CN207831257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094692A (en) * | 2018-11-16 | 2019-08-06 | 华域视觉科技(上海)有限公司 | The lighting device and automobile of integrated LiDAR system |
-
2018
- 2018-02-09 CN CN201820244978.6U patent/CN207831257U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094692A (en) * | 2018-11-16 | 2019-08-06 | 华域视觉科技(上海)有限公司 | The lighting device and automobile of integrated LiDAR system |
| CN110118332A (en) * | 2018-11-16 | 2019-08-13 | 华域视觉科技(上海)有限公司 | The lighting device and automobile of integrated LiDAR system |
| CN110094692B (en) * | 2018-11-16 | 2024-01-26 | 华域视觉科技(上海)有限公司 | Lighting device of integrated LiDAR system and car |
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