CN105570784B - It is a kind of can integrally, the automobile-used LED headlight and heat dissipating method of rapid cooling - Google Patents
It is a kind of can integrally, the automobile-used LED headlight and heat dissipating method of rapid cooling Download PDFInfo
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- CN105570784B CN105570784B CN201510483563.5A CN201510483563A CN105570784B CN 105570784 B CN105570784 B CN 105570784B CN 201510483563 A CN201510483563 A CN 201510483563A CN 105570784 B CN105570784 B CN 105570784B
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- Prior art keywords
- shell
- heat dissipation
- metal frame
- dissipation metal
- radiating fin
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 13
- 238000001746 injection moulding Methods 0.000 description 6
- 229910017083 AlN Inorganic materials 0.000 description 5
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to it is a kind of can integrally, the automobile-used LED headlight of rapid cooling, comprising: heat-conducting plastic shell and heat dissipation metal frame, heat dissipation metal frame extend shell and form radiating fin, and cooperation is sealed between heat dissipation metal frame and shell.The part for extending shell of heat dissipation metal frame is the radiating fin of the alternate parallelly distribute on of multi-disc, heat in car light is quickly exported by radiating fin to outside the shell of car light, and the air-flow by generating in vehicle travel process radiates to the radiating fin for extending shell.In addition, the engaging portion with shell of the heat dissipation metal frame, by the heat transfer to shell on heat dissipation metal frame, by the whole outside rapid cooling of shell；Meanwhile the air-flow generated when vehicle driving the shell is integrally carried out quickly it is air-cooled.
Description
Technical field
The present invention relates to the motor vehicles automobile-used LED headlight such as a kind of car light, especially car and heat dissipating methods.
Background technique
The motor vehicles car lights such as domestic existing car have started exploitation using LED as light source, and LED has light efficiency
High, the advantages that service life is long, energy conservation and environmental protection, but the current photoelectric conversion efficiency of LED only 15%, remaining 85% is converted to thermal energy.
In order to solve the problems, such as that LED radiates, the prior art is that the biggish metal of volume is arranged in the seal casinghousing of car light
Heat radiation rack, then forced heat radiation is carried out with fan, its structure is complicated, expensive, volume is big, car light leakproofness is difficult to resolve certainly；Car light
Overall tightness it is more demanding, forced heat radiation is carried out using fan, heat is not easy to spread out of out of lamp, leads to heat dissipation effect not
It is ideal.
In addition, the high failure rate of radiator fan will make the operating temperature of LED once fan breaks down relative to LED
It increases rapidly, this will accelerate LED ageing failure；Simultaneously in order to improve endothermic effect, the heat dissipation metal frame body product of use is larger, again
It measures heavier, causes production cost excessively high.
How while solving heat dissipation problem, it is ensured that the overall tightness of car light, reliability, economy are this fields
The technical problem to be solved.
Summary of the invention
Technical problem to be solved by the invention is to provide it is a kind of can integrally, the automobile-used LED headlight of rapid cooling and dissipate
Hot method carries out heat-conducting type shell with the metal fin for extending shell using the air-flow generated in vehicle travel process
Cooling is forced, to reach ideal heat dissipation effect.
To solve the above-mentioned problems, the present invention provides it is a kind of can rapid cooling automobile-used LED headlight, comprising: it is thermally conductive
Plastic casing and heat dissipation metal frame, heat dissipation metal frame extends shell and forms radiating fin, close between heat dissipation metal frame and shell
Envelope cooperation.
Preferable scheme is that the part for extending shell of the heat dissipation metal frame is the heat dissipation of the alternate parallelly distribute on of multi-disc
Wing.
For the ease of producing, ensuring car light overall tightness, the shell single injection-molded is in the heat dissipation metal frame
On.
Further, the shell is equipped with water proof and dust proof Ventilated cap identical with housing cavity.It can be according to automobile-used preceding big
Lamp housing air pressure inside realizes autonomous respiration, so that hot-air, is discharged shell simultaneously, and can inhale by shell inside and outside air pressure balance
Enter cold air, and then further improves heat dissipation effect.
Using the shell of above-mentioned material of the invention, in conjunction with insertion shell and extend the radiating fin of shell, the two combines
Afterwards, the integral heat sink effect of the headlight is further promoted.Reason is that on the one hand, shell, radiating fin can simultaneously to
Outer heat dissipation；On the other hand, the preferable heat dissipation metal frame of heating conduction can transmit heat to shell, and the shell is surrounded by scattered
Hot wing, so that heat conduction shell surrounding forms a large area radiator.So the integral heat sink effect of the headlight obtains larger
It is promoted.
In addition, compared with the existing technology, the thickness or volume of the heat dissipation metal frame of the application can reduce 30% or more, reason
By extending out the radiating fin of shell, in conjunction with can flash heat transfer, heat dissipation shell, integral heat sink fast speed, even with thickness
Relatively thin heat dissipation metal frame is spent, can also ensure the normal work and use service life of LED, and carry out to LED without fan etc.
It is cooling.
In order to make air-flow quickly circulate and radiate at radiating fin in vehicle travel process, the radiating fin is in multi-disc
The fin body of alternate parallelly distribute on.
When the automobile-used headlight is installed on vehicle, the radiating fin vertical distribution and parallel with vehicle forward direction,
And there is installation gap in the shell surrounding, in order to which the air-flow generated in vehicle travel process passes through the gap to thermally conductive shell
Body, radiating fin carry out pressure cooling.
When it is implemented, the front side of the shell is equipped with translucent cover, shell, translucent cover constitute a seal chamber, in the sealing
Intracavitary to be equipped with LED component and heat dissipation metal frame, which is set on heat dissipation metal frame.The heat dissipation metal frame includes: to be used for
The front console of the LED component is set, the radiating fin being connected on rear side of the front console；Each radiating fin is pierced by the shell
Body, and the middle part of each radiating fin and the shell single injection-molded, so that the contact area of shell and each radiating fin is larger, and
The piece number of radiating fin is more, width is longer, and contact area therebetween is bigger, it is thermally conductive to shell to be conducive to radiating fin, and then be conducive to
Integral heat sink is realized by shell.
The production method of above-mentioned automobile-used LED headlight comprising: the heat dissipation metal frame is fixed in mold, to each
The part for needing to extend the shell of radiating fin, using fusing point be higher than injection temperature material or sheet material fill up it is each adjacent
Then the gap of radiating fin is successively molded, is filled, pressure maintaining, cooling and demoulding, the material or sheet material are removed.
Using the heat dissipating method of the resulting automobile-used headlight of aforementioned production method, when automobile-used headlight is installed on vehicle,
There are fit-up gap, the heat dissipating method generates the surrounding of the shell when including: the LED component work of automobile-used headlight
Heat is exported by heat dissipation metal frame to outside heat conduction shell out of shell, and is passed through in vehicle travel process, the fit-up gap
It is quickly air-cooled to the radiating fin progress for extending shell to locate the air-flow generated, and then quickly air-cooled heat dissipation metal frame.
Meanwhile shell using PC plastic particle mixed with submicron order aluminium nitride powder after injection molding；The intracorporal energy of shell
It measures outside the wall body outflow shell through shell, meanwhile, the engaging portion with shell of the heat dissipation metal frame will be on heat dissipation metal frame
In heat transfer to shell, by the whole outside rapid cooling of shell；Meanwhile the air-flow generated when vehicle driving is whole to the shell
Body carries out quickly air-cooled.
The present invention has the effect of positive compared with the existing technology: (1) automobile-used headlight of the invention, is integrally one and dissipates
Hot device, shell entirety and radiating fin downstream direction, heat dissipation area is big, thermal capacity is big.It is utilized generates in vehicle travel process
Air-flow pressure cooling is carried out to heat-conducting type shell, the radiating fin for extending shell, air cooling effect is good, and structure is simple, practical, greatly
Width reduces costs, and solves car light sealing problem, is suitable for any adverse circumstances, conducive to the popularization of LED headlamp.The structure
It is suitable for the application of other high-power LED lamps simultaneously.By heat dissipation metal frame and shell made in one piece and extend shell, so that
Heat in car light can quickly be exported by heat dissipation metal frame to outside the shell of car light, and by generating in vehicle travel process
Air-flow radiates to the part for extending shell of the heat dissipation metal frame, solves what heat in car light can not be exported quickly
Problem.In addition, being added with aluminium nitride powder in case material, the heat dissipation performance of shell itself can be greatly improved, in conjunction with insertion shell
Body and the heat dissipation metal wing for extending shell, so that the integral heat sink effect of headlight is further promoted；Relative to existing
There is technology, extends the service life of LED headlamp.(2) shell of automobile-used headlight and radiating fin single injection-molded,
Production technology is easy, cost is relatively low；(3) since the radiating efficiency of automobile-used headlight radiator structure of the invention is higher, so adopt
Heat dissipation metal frame body product, weight therefore can be greatly reduced cost, mitigate vehicle than 30% or more the reduction of the prior art
Lamp weight is conducive to vehicle emissions reduction, and is of great significance to being widely applied for LED car lamp.(4) in the present invention, each radiating fin
Middle part and the shell single injection-molded so that the contact area of shell and each radiating fin is larger, and the piece number of radiating fin
It is more, width is longer, contact area therebetween is bigger, be conducive to radiating fin it is thermally conductive to shell, and then be conducive to by shell realization
Integral heat sink.(5) in the present invention, in shell and the injection molding of heat dissipation metal frame, the material of injection temperature is higher than using fusing point
Or sheet material fills up the gap of each adjacent heat radiation wing, is then successively molded, is filled, pressure maintaining, cooling and demoulding, it finally will be described
Material or sheet material are removed, it is ensured that the part for extending shell of each radiating fin will not be stained with the material of shell, it is ensured that it radiates
Effect.
Detailed description of the invention
The present invention is further explained in the light of specific embodiments:
Fig. 1 is the structural schematic diagram of automobile-used LED headlight of the invention；
Fig. 2 is the structural schematic diagram of the rear end face of the automobile-used LED headlight；
Fig. 3 is the structural schematic diagram of another automobile-used LED headlight of the invention；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the top view of Fig. 3；
Fig. 6 is the left view of Fig. 3；
Fig. 7 is the longitudinal sectional drawing of Fig. 3.
Specific embodiment
Embodiment 1
See Fig. 1 to 2 or Fig. 3-7, the present embodiment can rapid cooling automobile-used LED headlight, comprising: heat conduction shell 1,
It is sealingly disposed in the translucent cover 2 of 1 front side of shell, shell 1, translucent cover 2 constitute a seal chamber, LED are equipped in the seal chamber
Component and heat dissipation metal frame 4, the LED component 3 are set on heat dissipation metal frame 4, the rear end, and/or bottom of heat dissipation metal frame 4,
And/or shell 1 is extended at top, and cooperation is sealed between heat dissipation metal frame 4 and shell 1.
The heat dissipation metal frame includes: the front console for the LED component 3 to be arranged, after being connected to the front console
The radiating fin 4-1 of side；Each radiating fin 4-1 is pierced by the shell 1, and the middle part of each radiating fin 4-1 and the shell 1 are primary
Injection molding.
When the automobile-used headlight is installed on vehicle, the radiating fin 4-1 vertical distribution and flat with vehicle forward direction
Row, and there is installation gap in 1 surrounding of the shell, in order to which the air-flow generated in vehicle travel process passes through the gap to thermally conductive
Shell body 1, radiating fin 4-1 carry out pressure cooling.
Air-flow in vehicle travel process can quickly circulate at radiating fin and be radiated, and then realizes and be quickly cooled down metal
The effect of radiating fin bracket 4.
Injection molding after shell 1 is mixed using PC plastic particle with submicron order aluminium nitride powder, thermal coefficient are reachable
The weight ratio of 0.5-0.8W/m-k, PC plastic particle and aluminium nitride powder is 9:1 to 15:1., preferably 11:1.Its heat dissipation effect,
Relative to the shell (its thermal coefficient is only 0.28W/m-k) for purely using the injection molding of PC plastic particle, radiating efficiency can be big
Width improves.
Shell 1 is whole to be covered with radiating fin, and entire area is big, and thermal capacity is big, can absorb the heat on heat dissipation metal frame 4 rapidly
Amount, discharges heat by shell 1 and radiating fin outward.
The air-flow generated in motor racing makes to generate the biggish temperature difference inside and outside shell 1, and temperature when LED operation is made to pass through gold
Belong to heat radiation rack 4 along two directions (1, heat dissipation metal frame 4 be exposed at the heat dissipation metal empennage outside shell 1,2, heat dissipation metal frame in itself
4 transmit heat to shell 1, and heat dissipation metal frame 4 discharges heat with shell 1 outward together) heat dissipation, keep heat dissipation more abundant, effect is more
It is good.
Using the heat dissipating method of above-mentioned headlight, when automobile-used LED headlight is installed on vehicle, the surrounding of the shell 1
There are fit-up gap, the heat dissipating method include: when the LED component 3 of automobile-used headlight works the heat that generates out of shell
It is exported by heat dissipation metal frame to outside shell, and by the way that in vehicle travel process, the air-flow generated at the fit-up gap is to institute
It is quickly air-cooled to state radiating fin progress, and then quickly air-cooled heat dissipation metal frame 4.
Meanwhile shell using PC plastic particle mixed with submicron order aluminium nitride powder after injection molding, at heat-conducting plastic
Shell；The intracorporal energy of shell through the wall body outflow shell of shell outside, meanwhile, the heat dissipation metal frame with heat-conducting plastic shell
Engaging portion, by the heat transfer on heat dissipation metal frame to heat-conducting plastic shell, by the whole outside rapid cooling of shell；Meanwhile
The air-flow generated when vehicle driving is integrally rapidly cooled the shell.
Embodiment 2
The production method of above-mentioned automobile-used LED headlight, comprising: the heat dissipation metal frame 4 is fixed in mold, is dissipated to each
The part for needing to extend the shell 1 of hot wing 4-1, using fusing point be higher than injection temperature material or sheet material fill up it is each adjacent
Radiating fin 4-1 gap, then successively molded, filled, pressure maintaining, cooling and demoulding, the material or sheet material are removed.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.
Claims (1)
1. a kind of heat dissipating method of automobile-used LED headlight, which includes: shell (1) and heat dissipation metal frame (4),
The translucent cover (2) being sealingly disposed on front side of shell (1), shell (1), translucent cover (2) constitute a seal chamber, set in the seal chamber
The LED component for having heat dissipation metal frame (4) and being placed on heat dissipation metal frame (4), shell (1) single injection-molded is in the gold
Belong on heat radiation rack (4)；
Heat dissipation metal frame (4) extends shell (1), and cooperation is sealed between heat dissipation metal frame (4) and shell (1)；
The heat dissipation metal frame includes: the front console for the LED component to be arranged, the institute being connected on rear side of the front console
State radiating fin (4-1)；
Each radiating fin (4-1) is pierced by the shell (1), and the middle part of each radiating fin (4-1) is once molded into the shell (1)
Type；When the headlight is installed on vehicle, radiating fin (4-1) vertical distribution and parallel with vehicle forward direction；
The production method of the automobile-used LED headlight, comprising: the heat dissipation metal frame (4) is fixed in mold, is dissipated to each
The part for needing to extend the shell (1) of hot wing (4-1) is higher than the material of injection temperature using fusing point or sheet material fills up respectively
The gap of adjacent radiating fin (4-1) is then successively molded, is filled, pressure maintaining, cooling and demoulding, by the material or piece
Material is removed；
When the headlight is installed on vehicle, there are fit-up gaps for the surrounding of the shell (1), which is characterized in that
The heat dissipating method includes:
The heat generated when the LED component work of headlight is exported to shell (1) outside out of shell by heat dissipation metal frame (4),
And the air-flow by generating at fit-up gap described in vehicle travel process carries out the radiating fin (4-1) for extending shell
It is quickly air-cooled, and then quickly air-cooled heat dissipation metal frame (4)；
The intracorporal thermal energy of shell is spread out of outside shell through the wall body of shell, meanwhile, the knot with shell (1) of the heat dissipation metal frame (4)
Conjunction portion is by the heat transfer on heat dissipation metal frame (4) to shell (1), by the whole outside rapid cooling of shell (1)；Meanwhile vehicle
The air-flow generated when driving integrally carries out the shell (1) quickly air-cooled.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108076.5A CN110778975A (en) | 2015-08-07 | 2015-08-07 | LED headlamp for vehicle and heat dissipation method thereof |
| CN201510483563.5A CN105570784B (en) | 2015-08-07 | 2015-08-07 | It is a kind of can integrally, the automobile-used LED headlight and heat dissipating method of rapid cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483563.5A CN105570784B (en) | 2015-08-07 | 2015-08-07 | It is a kind of can integrally, the automobile-used LED headlight and heat dissipating method of rapid cooling |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911108076.5A Division CN110778975A (en) | 2015-08-07 | 2015-08-07 | LED headlamp for vehicle and heat dissipation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105570784A CN105570784A (en) | 2016-05-11 |
| CN105570784B true CN105570784B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911108076.5A Pending CN110778975A (en) | 2015-08-07 | 2015-08-07 | LED headlamp for vehicle and heat dissipation method thereof |
| CN201510483563.5A Active CN105570784B (en) | 2015-08-07 | 2015-08-07 | It is a kind of can integrally, the automobile-used LED headlight and heat dissipating method of rapid cooling |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911108076.5A Pending CN110778975A (en) | 2015-08-07 | 2015-08-07 | LED headlamp for vehicle and heat dissipation method thereof |
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| CN (2) | CN110778975A (en) |
Families Citing this family (1)
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| CN107121788A (en) * | 2017-06-27 | 2017-09-01 | 镇江万新光学眼镜有限公司 | A kind of refrigerant glasses of phase transformation and preparation method thereof |
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| JP2002124123A (en) * | 2000-10-17 | 2002-04-26 | Denso Corp | Vehicle headlight |
| CN1270122C (en) * | 2003-04-08 | 2006-08-16 | 株式会社小糸制作所 | Vehicular front headlight |
| CN102661562A (en) * | 2012-04-20 | 2012-09-12 | 奇瑞汽车股份有限公司 | Automobile lamp and automobile |
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| CN104613399A (en) * | 2013-11-05 | 2015-05-13 | 标致雪铁龙(中国)汽车贸易有限公司 | Vehicle headlamp with LED light source |
| CN204962522U (en) * | 2015-08-07 | 2016-01-13 | 常州通宝光电股份有限公司 | Can be wholly, quick radiating automobile -used LED headlamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090059594A1 (en) * | 2007-08-31 | 2009-03-05 | Ming-Feng Lin | Heat dissipating apparatus for automotive LED lamp |
| DE102009054926B4 (en) * | 2009-12-18 | 2014-08-21 | Osram Gmbh | LED lighting device |
| CN202884753U (en) * | 2012-10-11 | 2013-04-17 | 青岛信控电子技术有限公司 | Light-emitting diode (LED) car light |
| CN103994347A (en) * | 2014-04-23 | 2014-08-20 | 王定锋 | LED heat radiation structure formed by mixing heat conducting insulation powder and resin and LED linear lamp |
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2015
- 2015-08-07 CN CN201911108076.5A patent/CN110778975A/en active Pending
- 2015-08-07 CN CN201510483563.5A patent/CN105570784B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002124123A (en) * | 2000-10-17 | 2002-04-26 | Denso Corp | Vehicle headlight |
| CN1270122C (en) * | 2003-04-08 | 2006-08-16 | 株式会社小糸制作所 | Vehicular front headlight |
| CN103162207A (en) * | 2011-12-15 | 2013-06-19 | 欧司朗股份有限公司 | Light-emitting diode (LED) unit installing module and manufacturing method thereof and LED lighting device and automobile headlamp |
| CN102661562A (en) * | 2012-04-20 | 2012-09-12 | 奇瑞汽车股份有限公司 | Automobile lamp and automobile |
| CN104613399A (en) * | 2013-11-05 | 2015-05-13 | 标致雪铁龙(中国)汽车贸易有限公司 | Vehicle headlamp with LED light source |
| CN204962522U (en) * | 2015-08-07 | 2016-01-13 | 常州通宝光电股份有限公司 | Can be wholly, quick radiating automobile -used LED headlamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110778975A (en) | 2020-02-11 |
| CN105570784A (en) | 2016-05-11 |
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