CN106439675A - LED automobile headlamp - Google Patents
LED automobile headlamp Download PDFInfo
- Publication number
- CN106439675A CN106439675A CN201610781084.6A CN201610781084A CN106439675A CN 106439675 A CN106439675 A CN 106439675A CN 201610781084 A CN201610781084 A CN 201610781084A CN 106439675 A CN106439675 A CN 106439675A
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- CN
- China
- Prior art keywords
- light
- light source
- shaping lens
- control device
- drive control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an LED automobile headlamp. The LED automobile headlamp comprises a lamp holder, a light source, a shaping lens, a light distribution lampshade and a driving controller. The driving controller is mounted on the lamp holder; the light source is mounted on the driving controller; the shaping lens is fixedly disposed outside the light source in a sleeving mode; the light distribution lampshade is arranged outside the shaping lens in a sleeving mode and fixed to the lamp holder; the light source includes a plurality of blue light LED chips which are distributed in an array mode; the driving controller is used for controlling the light source; and the shaping lens is formed by mixing and mold pressing of optical powder materials and fluorescent powder. By means of the LED automobile headlamp provided by the invention, the lighting effect is improved, light attenuation is reduced, moreover, the amount of generated heat is small, and the service life is greatly prolonged.
Description
Technical field
The present invention relates to automobile lamp technical field, particularly relate to a kind of automotive LED headlamp.
Background technology
Energy-conserving and environment-protective, intelligent manufacturing are the important directions of automobile lamp development.Owing to car headlamp is positioned at engine
Near, long-term work is in high temperature, vibration characteristics complex environment, and the quality of car headlamp heat dispersion influences whether automobile
The service life of headlamp；Existing automotive LED headlamp generally uses white light LEDs lamp bead as direct light source luminescent, a side
Face light efficiency is relatively low and light decay serious, and the heat on the other hand producing is also more, causes the service life affecting car headlamp.
The disclosure of background above technology contents is only used for assisting design and the technical scheme understanding the present invention, and it is not necessarily
Belong to the prior art of present patent application, do not have tangible proof show foregoing present patent application the applying date
In the case of Gong Kai, above-mentioned background technology should not be taken to evaluate novelty and the creativeness of the application.
Content of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of automotive LED headlamp, not only increases light efficiency, reduces
Light decay, and it is little to produce heat, and working life is significantly increased.
For reaching above-mentioned purpose, the present invention is by the following technical solutions：
The invention discloses a kind of automotive LED headlamp, including lamp socket, light source, shaping lens, luminous intensity distribution lampshade and driving control
Device processed, described drive control device is arranged on described lamp socket, and described light source is arranged on described drive control device, and described shaping is saturating
Mirror fixed cover is located at outside described light source, and the described light-distribution lamp enclosure is located at outside described shaping lens and is fixed on described lamp socket；Its
Described in light source use array arrangement many blue-light LED chips, described drive control device is used for controlling described light source, described whole
Shape lens are to be pressed into by powder body material and the fluorescent material hybrid guided mode of optical material.
Preferably, described automotive LED headlamp also includes radiator, and described radiator includes multiple spaced setting
Radiating fin, multiple described radiating fins are arranged on the outside of described drive control device.
Preferably, the thickness of described radiating fin is 1～2mm.
Preferably, the latter half of described lamp socket is provided with heat radiation pore, and the radius of described heat radiation pore is 2～4mm.
Preferably, described powder body material is glass dust, organic resin or plastics, and described fluorescent material is sulfide, sulphur oxidation
Thing, nitride or nitric oxide fluorescent powder.
Preferably, the outer surface of described shaping lens is freeform optics surface.
Preferably, the outer surface of described luminous intensity distribution lampshade is freeform optics surface.
Preferably, described automotive LED headlamp also includes collar, and described luminous intensity distribution lampshade is solid by described collar
Surely it is connected on described lamp socket.
Preferably, described drive control device is additionally operable to independently control blue-light LED chip every described.
Compared with prior art, the beneficial effects of the present invention is：The automotive LED headlamp that the present invention proposes is by by light
The light of the blue-light LED chip array injection in source first passes around shaping lens, after exciting generation white light shaping, then through luminous intensity distribution
Lampshade forms the light required for car headlamp；On the one hand the light efficiency of blue-light LED chip is higher, and the heat of generation is little, preferably
Solve the problem that life-span is short, light efficiency is low and light decay is serious seriously causing because direct employing White-light LED chip dispels the heat；The opposing party
Powder body material and the fluorescent material hybrid guided mode of optical material are pressed into shaping lens and are linked in outside blue-light LED chip array by face, i.e.
Phosphor powder layer is remote from LED chip, it is to avoid fluorescent material is affected by high temperature so that working life is significantly increased, and further
Reduce light decay.
In further scheme, drive control device arranges the radiator comprising multiple radiating fin, by heat radiation
Internal heat is distributed by fin, blue-light LED chip array normal luminous can be effectively ensured, and extend photograph before LED automobile
The service life of lamp；And it also is provided with the pore that dispels the heat in the latter half of lamp socket, further enhance its heat dispersion.
In further scheme, every blue-light LED chip is individually controlled by drive control device, it is achieved to each indigo plant
Light LED chip bright, go out, the control of the independence of Strength Changes, such that it is able to control the blue-ray LED of zones of different in varied situations
Chip light emitting, it is achieved the effect of intelligence luminous intensity distribution, improves the experience effect of user.
Brief description
Fig. 1 is the structural representation of the automotive LED headlamp of the preferred embodiment of the present invention；
Fig. 2 is the structural representation of the light source of the automotive LED headlamp of the preferred embodiment of the present invention.
Detailed description of the invention
Below against accompanying drawing and combine preferred embodiment the invention will be further described.
As it is shown in figure 1, the preferred embodiment of the present invention discloses a kind of automotive LED headlamp, including luminous intensity distribution lampshade the 1st, shaping
Lens the 2nd, light source the 3rd, drive control device the 4th, collar the 5th, radiator 6 and lamp socket 7, wherein drive control device 4 is arranged on lamp socket 7
On, light source 3 is arranged on drive control device 4, and shaping lens fixed cover is located at outside light source 3, and luminous intensity distribution lampshade 1 is set in shaping lens
It outside 2 and is fixedly connected on lamp socket 7 by collar 5.
In conjunction with shown in Fig. 2, light source 3 uses many blue-light LED chips of array arrangement, and drive control device 4 is to every blue light
LED chip independently controls, and specifically, every blue-light LED chip is encoded by drive control device 4, it is achieved to each
Blue-light LED chip bright, go out, the control of the independence of Strength Changes, the blue-light LED chip controlling zones of different in varied situations is sent out
Light, it is achieved the effect of intelligence luminous intensity distribution.In the particular embodiment, the global shape of light source 3 is rectangle, simultaneously every a line blue light
LED chip is 19, and each row chip is 5, by every chips line number and columns, respectively from top to bottom, from left to right, as
The abscissa of chip and ordinate are numbered (M, N), wherein 1≤M≤5；1≤N≤19；By drive control device 4 according to above-mentioned
Numbering control each blue-light LED chip bright, go out and Strength Changes；Automobile in normal straight way driving process, control chip
Mid portion region is luminous, and chip number meets scope：1≤M≤5,3≤N≤17, both sides chip is not luminous；Automobile is turning left
In the case of curved, in addition to zone line is luminous, left side chip also can be luminous, and chip number ordinate meets scope：1≤M≤5,1
≤N≤17；Automobile is in the case of turning right, and in addition to zone line is luminous, right side chip also can be luminous, chip number ordinate
Meet scope：1≤M≤5,3≤N≤19；If automobile is passed by fork in the road, Zone Full chip all can be luminous, expands illumination
Angle, chip number ordinate meets scope：1≤M≤5,1≤N≤19；If night road surface have a water accumulation part form, under
Row chip is not luminous, reduces the impact causing other vehicles due to mirror-reflection, and chip number meets scope：1≤M≤4,3
≤N≤17；Can realize that intelligence goes out light according to specific requirement in the case of other.According to drive control device 4 to every blue-ray LED core
The independence control of piece, so that before this automotive LED headlamp can adjust this automobile according to actual road conditions and driving environment
The effect of illuminator, improves the experience effect of user.
Shaping lens 2 is to be pressed into by powder body material and the fluorescent material high temperature hybrid guided mode of optical material, and is fixed on and drives
To be set on light source 3 above movement controller 3, the blue light that the blue-light LED chip array of light source 3 sends incides shaping lens,
Exciting generation white light, the outer surface of shaping lens carries out shaping for the light beam freely designing curved surface to launch light source 3 simultaneously；Its
In, the powder body material of optical material can be normal glass powder, cryogenic glass powder, organic resin or plastics etc., and fluorescent material is permissible
Sulfide, oxysulfide, nitride or nitric oxide fluorescent powder etc., also can be simultaneously different colours as common Huang,
Green or red light fluorescent powder.By being pressed into by powder body material and the fluorescent material high temperature hybrid guided mode of optical material outer setting of light source 3
Shaping lens 2, the blue light of light source 3 is excited generation white light while, be also prevented effectively from fluorescent material and be heated, thus extend
The service life of automotive LED headlamp.
Radiator 6 includes the radiating fin of multiple spaced setting, and multiple radiating fins are arranged on drive control device 4
Internal heat is distributed by outside by radiating fin, and the blue-light LED chip array that light source 3 can be effectively ensured normally is sent out
Light, and extend the service life of car light, in the particular embodiment, the thickness of radiating fin is 1～2mm.For further increasing
Strong radiating effect, is provided with heat radiation pore in the latter half of lamp socket 7, and the radius of heat radiation pore is 2～4mm.
Luminous intensity distribution lampshade 1 is fixedly connected on to be set in outside shaping lens 2 on lamp socket 7 by collar 5, luminous intensity distribution lampshade 1
Outer surface be freeform optics surface, to the injection of the blue-light LED chip array of light source 3 and through the light of shaping lens 2 shaping
Carry out luminous intensity distribution, can design that to send distance light, dipped beam or the distance-light of automobile headlamp integrated, on probation in extensive range.
The automotive LED headlamp of the preferred embodiments of the present invention, by by the blue-light LED chip array injection of light source 3
Light first passes around shaping lens 2, excites generation white light, after carrying out shaping simultaneously；Again through luminous intensity distribution lampshade 1, can apply to
The distance light of automobile headlamp, dipped beam or distance-light are integrated；In combination with the blue-light LED chip array to light source 3 for the drive control device 4
Every blue-light LED chip independently control, it is achieved intelligentized self adaptation illuminator；Thus realize optimization light intelligence luminous intensity distribution
Effect, and energy-conserving and environment-protective, intelligent manufacturing, meet GBT30036-2013 automobile adaptive forward lighting systems technology and want
Ask.
In the automotive LED headlamp of the preferred embodiments of the present invention, by high by the powder body material of optical material and fluorescent material
The shaping lens 2 that temperature hybrid guided mode is pressed into is linked in outside light source 3, on the one hand preferably solves because directly using white light LEDs core
The problem that life-span is short, light efficiency is low and light decay is serious that piece heat radiation seriously causes, on the other hand phosphor powder layer is remote from LED chip
, it is to avoid fluorescent material is affected by high temperature so that working life can be significantly increased, and reduces light decay simultaneously.
Above content is to combine concrete preferred embodiment further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For those skilled in the art, do not taking off
On the premise of present inventive concept, some equivalent replacements or obvious modification can also be made, and performance or purposes are identical, all answer
When being considered as belonging to protection scope of the present invention.
Claims (9)
1. an automotive LED headlamp, it is characterised in that include lamp socket, light source, shaping lens, luminous intensity distribution lampshade and drive control
Device, described drive control device is arranged on described lamp socket, and described light source is arranged on described drive control device, described shaping lens
Fixed cover is located at outside described light source, and the described light-distribution lamp enclosure is located at outside described shaping lens and is fixed on described lamp socket；Wherein
Described light source uses many blue-light LED chips of array arrangement, and described drive control device is used for controlling described light source, described shaping
Lens are to be pressed into by powder body material and the fluorescent material hybrid guided mode of optical material.
2. automotive LED headlamp according to claim 1, it is characterised in that also include radiator, described radiator includes
The radiating fin of multiple spaced settings, multiple described radiating fins are arranged on the outside of described drive control device.
3. automotive LED headlamp according to claim 2, it is characterised in that the thickness of described radiating fin is 1～2mm.
4. automotive LED headlamp according to claim 1, it is characterised in that the latter half of described lamp socket is provided with heat radiation
Pore, the radius of described heat radiation pore is 2～4mm.
5. automotive LED headlamp according to claim 1, it is characterised in that described powder body material is glass dust, You Jishu
Fat or plastics, described fluorescent material is sulfide, oxysulfide, nitride or nitric oxide fluorescent powder.
6. automotive LED headlamp according to claim 1, it is characterised in that the outer surface of described shaping lens is optics
Free form surface.
7. automotive LED headlamp according to claim 1, it is characterised in that the outer surface of described luminous intensity distribution lampshade is optics
Free form surface.
8. automotive LED headlamp according to claim 1, it is characterised in that also include collar, described luminous intensity distribution lampshade
It is fixedly connected on described lamp socket by described collar.
9. the automotive LED headlamp according to any one of claim 1 to 8, it is characterised in that described drive control device is also used
In blue-light LED chip every described is independently controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781084.6A CN106439675A (en) | 2016-08-30 | 2016-08-30 | LED automobile headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781084.6A CN106439675A (en) | 2016-08-30 | 2016-08-30 | LED automobile headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439675A true CN106439675A (en) | 2017-02-22 |
Family
ID=58090306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610781084.6A Pending CN106439675A (en) | 2016-08-30 | 2016-08-30 | LED automobile headlamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN106439675A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916803A (en) * | 2018-08-15 | 2018-11-30 | 华域视觉科技(上海)有限公司 | A kind of headlamp mould group and automobile |
| CN112128706A (en) * | 2020-10-09 | 2020-12-25 | 清华大学深圳国际研究生院 | Intelligent headlamp of automobile |
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| CN1834698A (en) * | 2006-04-18 | 2006-09-20 | 杭州照相机械研究所 | Illuminated luminous optical lens |
| CN101392885A (en) * | 2007-09-18 | 2009-03-25 | 深圳市九洲光电子有限公司 | High-power white light LED |
| CN101644406A (en) * | 2009-09-01 | 2010-02-10 | 四川九洲光电科技有限公司 | White light lens of light-emitting diode and light-emitting diode composed of lens |
| CN102353003A (en) * | 2011-08-16 | 2012-02-15 | 胡文松 | LED (light emiting diode) projection light fitting for remote and near lamps for vehicle |
| CN203980071U (en) * | 2014-06-09 | 2014-12-03 | 绍兴浮里敦日用品有限公司 | A kind of LED auto lamp |
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| CN105485598A (en) * | 2015-11-05 | 2016-04-13 | 格瑞电子（厦门）有限公司 | LED headlamp and method for forming light spot of LED headlamp |
| CN206055455U (en) * | 2016-08-30 | 2017-03-29 | 清华大学深圳研究生院 | A kind of automotive LED headlamp |
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Patent Citations (10)
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| CN1834698A (en) * | 2006-04-18 | 2006-09-20 | 杭州照相机械研究所 | Illuminated luminous optical lens |
| CN101392885A (en) * | 2007-09-18 | 2009-03-25 | 深圳市九洲光电子有限公司 | High-power white light LED |
| CN101644406A (en) * | 2009-09-01 | 2010-02-10 | 四川九洲光电科技有限公司 | White light lens of light-emitting diode and light-emitting diode composed of lens |
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| US20150029739A1 (en) * | 2013-07-25 | 2015-01-29 | Hyundai Mobis Co., Ltd. | Lamp for vehicle |
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| CN204829642U (en) * | 2015-08-11 | 2015-12-02 | 南通航大电子科技有限公司 | Environmental protection is light for car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916803A (en) * | 2018-08-15 | 2018-11-30 | 华域视觉科技(上海)有限公司 | A kind of headlamp mould group and automobile |
| CN112128706A (en) * | 2020-10-09 | 2020-12-25 | 清华大学深圳国际研究生院 | Intelligent headlamp of automobile |
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Effective date of registration: 20190910 Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili of Tsinghua Applicant after: GRADUATE SCHOOL AT SHENZHEN, TSINGHUA University Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili of Tsinghua Applicant before: Graduate School at Shenzhen, Tsinghua University Applicant before: SHENZHEN HUAYAO LIGHT TECHNOLOGY Co.,Ltd. |
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Address after: 518000 Guangdong city in Shenzhen Province, Nanshan District City Xili street Shenzhen University Tsinghua Campus A building two floor Applicant after: Shenzhen International Graduate School of Tsinghua University Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili of Tsinghua Applicant before: GRADUATE SCHOOL AT SHENZHEN, TSINGHUA University |
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Effective date of registration: 20200617 Address after: Room 2101-2108, 21 / F, Kerong Chuangye building, No. 666, Zhongkai Avenue (Huihuan section), Zhongkai high tech Zone, Huizhou City, Guangdong Province Applicant after: Huizhou Frant Photoelectric Technology Co.,Ltd. Address before: 518000 Guangdong city in Shenzhen Province, Nanshan District City Xili street Shenzhen University Tsinghua Campus A building two floor Applicant before: Shenzhen International Graduate School of Tsinghua University |