CN109724051A - A kind of laser headlight for vehicles radiator based on semiconductor cooler - Google Patents
A kind of laser headlight for vehicles radiator based on semiconductor cooler Download PDFInfo
- Publication number
- CN109724051A CN109724051A CN201910205040.2A CN201910205040A CN109724051A CN 109724051 A CN109724051 A CN 109724051A CN 201910205040 A CN201910205040 A CN 201910205040A CN 109724051 A CN109724051 A CN 109724051A
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- Prior art keywords
- radiator
- semiconductor cooler
- heat
- fan
- aluminium
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 83
- 239000004411 aluminium Substances 0.000 claims abstract description 52
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000000191 radiation effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A kind of laser headlight for vehicles radiator based on semiconductor cooler is divided into two kinds of structures of integral type and Separated radiating device according to laser headlight for vehicles interior spatial structure；It is characterized by: the controller is located at the upper of semiconductor cooler, there is heat-conducting interface material between laser light source and semiconductor cooler cold end, between semiconductor cooler hot end and aluminium radiator；Fan and controller are connected by conducting wire, and it is located at the side of aluminium radiator, the heat of laser light source passes to aluminium radiator by semiconductor cooler cold end, semiconductor cooler hot end, cooling by fin of the fan to aluminium radiator, controller adjusts semiconductor cooler electric current and rotation speed of the fan in real time.Integral type or separate structure can be used according to laser headlight interior spatial structure in the present invention, compact-sized, light controllable, adaptable, while realizing great heat radiation effect, reaches energy conservation and efficient purpose.
Description
Technical field
The present invention relates to a kind of laser headlight for vehicles radiator, especially a kind of laser vapour based on semiconductor cooler
The big heat sink for lamp of vehicle.
Background technique
The scientific and technological content of headlight for vehicles often represents the safety of automobile, mainly there is halogen regenerative-cycle headlamp, xenon headlight, LED
Headlight and laser headlight etc..Halogen regenerative-cycle headlamp and xenon headlight are in sides such as brightness, service life, volume, photoelectric conversion efficiency, colour temperature adjustment
There is disadvantage in face.LED headlight has that energy-saving and environmental protection, service life length, high brightness, small volume, stability are good, reaction speed
The advantages that fast, but with the increase of driving power density, the heat flow density on electronic device is also constantly improve, causes light extraction efficiency
There is " efficiency rapid drawdown " phenomenon, largely hinders the Rapid Popularization application of LED in rapid decay.
Laser has many advantages, such as that intensity is big, monochromaticjty is good, coherence is good, high directivity, becomes laser headlight now
Research hotspot.Laser headlight is made of laser light source, reflecting mirror, yellow phosphorus filter and four part of reverberation bowl, its working principle is that
Laser experience is allowed " to project, penetrate, two reflections " Four processes, the conical shaped beam for ultimately forming several irradiations projects outside vehicle.
2011, BMW took the lead in releasing the i8 concept car for configuring " angel's eye " laser headlight.2014, Audi issued in CES exhibition
Configure the R8 LMX concept car of laser headlight.Currently, the laser headlight of BMW volume production and has gradually been generalized to BMW 7
In the vehicles such as system.Compared to LED headlight, laser headlight technically has more advantages: 1. light-emitting area and energy consumption subtract
Small, cooling system is relatively easy；2. the advantages that its smaller size, brighter illumination and lower fever, allows designer
Car body is redesigned, achievees the purpose that optimize space；3. the illuminance of laser headlight is 1000 times of LED light, while volume ratio
LED etc. reduces 100 times, and irradiation distance is 600 meters, higher than 300 meters of LED headlight.
Although the energy consumption of laser headlight is smaller, luminous efficiency is high, due to its small volume, the calorific value of unit area
All bigger with heat flow density, laser headlight has compared with strict requirements operating temperature, to control within the scope of 20 ~ 45 DEG C, because
This refrigeration link that active is needed when environment temperature is higher, which exists, just can guarantee its operating temperature.Headlight for vehicles is scattered at present
Hot mode mainly utilizes the free convection of metal heat-conducting and air in heat transfer to environment.But rely on air natural
This inefficient type of cooling of convection current is generally difficult to meet the requirement of headlight for vehicles cooling.Although being formed by installing fan additional
Forced convection can be improved heat-sinking capability, but the temperature limited height in environment temperature of laser light source itself, radiator fan without
Method reduces environment temperature, therefore heat dissipation effect is unsatisfactory.
Summary of the invention
The purpose of the present invention is being directed to laser headlight for vehicles problem encountered in terms of heat dissipation, propose that one kind is based on partly leading
The laser headlight for vehicles radiator of chiller improves cooling efficiency.
The technical scheme is that be accomplished by the following way: a kind of laser automobile based on semiconductor cooler is big
Heat sink for lamp is divided into two kinds of structures of integral type and Separated radiating device according to laser headlight for vehicles interior spatial structure；Institute
The integrated radiator stated is by laser light source, semiconductor cooler cold end, semiconductor cooler hot end, aluminium radiator, fan
It is formed with controller, it is characterised in that: the controller is located at the upper of semiconductor cooler, laser light source and semiconductor refrigerating
There is heat-conducting interface material between device cold end, between semiconductor cooler hot end and aluminium radiator；Fan and controller are by conducting wire
Connection, and it is located at the side of aluminium radiator, the heat of laser light source passes through semiconductor cooler cold end, semiconductor cooler hot end
Aluminium radiator is passed to, cooling by fin of the fan to aluminium radiator, controller is to semiconductor cooler electric current and rotation speed of the fan
It is adjusted in real time.
The Separated radiating device is dissipated by laser light source, semiconductor cooler cold end, semiconductor cooler hot end, aluminium
Hot device, fan, controller, radiator, micro-channel flat or heat pipe, heat collector composition, the laser light source, semiconductor refrigerating
Device cold end, semiconductor cooler hot end link together, and aluminium radiator and radiator link together, and heat collector setting is partly being led
The two ends connection heat collector and radiator, radiator and aluminium radiator of the side in chiller hot end, micro-channel flat or heat pipe
It linking together, fin and the fan of the aluminium radiator are arranged in parallel, between laser light source and semiconductor cooler cold end,
Between semiconductor cooler hot end and heat collector, there are heat-conducting interface material, micro-channel flat between radiator and aluminium radiator
Or the two ends connection heat collector and radiator of heat pipe.
The heat-conducting interface material is heat-conducting silicone grease, thermally conductive tin slurry or graphite flake, for improving heat conduction efficiency.
The heat collector links together with laser light source, and radiator, semiconductor cooler hot end and aluminium radiator connect
Be connected together, two ends of micro-channel flat or heat pipe connection heat collector and radiator, the fin of the aluminium radiator upward with
Fan right opposite is setting up and down.
The micro-channel flat or heat pipe includes several parallel channels, is separated between channel by partition, channel interior
Low boiling point refrigerant is filled, heat absorption transfers heat to the flat tube other end after undergoing phase transition, and condenses by aluminium radiator and fan
It relies on gravity reflux, micro-channel flat or heat pipe to be in close contact by welding or going here and there blade technolgy with other devices afterwards, extends to conjunction
Suitable region is cooled down again.
The present invention has small in size, low noise using semiconductor cooler, with small vibration, high reliablity, does not have movable part
The characteristics of, develop the big heat sink for lamp of laser.According to laser headlight interior spatial structure, integral type or separate type knot can be used
Structure, it is compact-sized, it is light controllable, it is adaptable, while realizing great heat radiation effect, reach energy conservation and efficient purpose.
It is the cooling preferable selection of ten watts of grade moving heat sources, is suitable for the big heat sink for lamp of laser.
Detailed description of the invention
Fig. 1 is the construction for heat radiating device schematic diagram of integral structure of the present invention.
Fig. 2 is the construction for heat radiating device schematic diagram of separate structure (mode one).
Fig. 3 is the construction for heat radiating device schematic diagram of separate structure (mode two).
In figure: 1 laser light source, 2 semiconductor cooler cold ends, 3 semiconductor cooler hot ends, 4 aluminium radiators, 5 fans, 6
Controller, 7 radiators, 8 heat pipes, 9 heat collectors.
Specific embodiment
As shown in Figure 1, the radiator of integral structure is by laser light source 1, semiconductor cooler cold end 2, semiconductor system
Cooler hot end 3, aluminium radiator 4, fan 5 and controller 6 form.In order to enhance heat-conducting effect, laser light source 1 and semiconductor refrigerating
There is heat-conducting interface material between device cold end 2, between semiconductor cooler hot end 3 and aluminium radiator 4.The semiconductor refrigerating
Device is equipped with controller 6, between laser light source 1 and semiconductor cooler cold end 2, semiconductor cooler hot end 3 and aluminium radiator 4
Between have heat-conducting interface material；Fan 5 is connect with controller 6 by conducting wire, and is located at the side of aluminium radiator 4, laser light source 1
Heat aluminium radiator 4 is passed to by semiconductor cooler cold end 2, semiconductor cooler hot end 3, radiated by fan 5 to aluminium
The fin of device 4 is cooling, and controller 6 adjusts semiconductor cooler electric current and rotation speed of the fan in real time.Controller 6 is for controlling
5 revolving speed of electric current and fan of semiconductor cooler.
When laser light source 1 works, heat is generated, and transfer heat to semiconductor cooler cold end 2, semiconductor cooler
Hot end 3 conducts heat to aluminium radiator 4 again, cooling finally by fin of the fan 5 to aluminium radiator 4.Controller can basis
Environment temperature and heat source temperature adjust semiconductor cooler electric current and rotation speed of the fan in real time.
As shown in Fig. 2, the radiator of separate structure (mode one) by laser light source 1, semiconductor cooler cold end 2,
Semiconductor cooler hot end 3, aluminium radiator 4, fan 5, controller 6, radiator 7, micro-channel flat or heat pipe 8 and heat collector 9
Composition.In order to enhance heat-conducting effect, between laser light source 1 and semiconductor cooler cold end 2, semiconductor cooler hot end 3 with take
There is heat-conducting interface material between hot device 9, between radiator 7 and aluminium radiator 4.The laser light source 1, semiconductor cooler
Cold end 2, semiconductor cooler hot end 3 link together, and aluminium radiator 4 and radiator 7 link together, and the setting of heat collector 9 exists
The two ends connection heat collector 9 and radiator 7 of the side in semiconductor cooler hot end 3, micro-channel flat or heat pipe 8,7 He of radiator
Aluminium radiator 4 connects, the two ends connection heat collector 9 and radiator 7 of micro-channel flat or heat pipe 8, the wing of the aluminium radiator 4
Piece is arranged in parallel with fan 5, and semiconductor cooler is equipped with controller 6, and fan 5 is connect with controller 6 by conducting wire.
When laser light source 1 works, heat is generated, and transfer heat to semiconductor cooler cold end 2, semiconductor cooler
Hot end 3 conducts heat to radiator 7 and aluminium radiator 4 by micro-channel flat or heat pipe 8, finally by fan to fin cold
But.Controller can be adjusted in real time semiconductor cooler electric current and rotation speed of the fan according to environment temperature and heat source temperature.
As shown in figure 3, the radiator of separate structure (mode two) by laser light source 1, semiconductor cooler cold end 2,
Semiconductor cooler hot end 3, aluminium radiator 4, fan 5, controller 6, radiator 7, micro-channel flat or heat pipe 8 and heat collector 9
Composition.The fin of the aluminium radiator 4 is arranged with 5 right opposite of fan upward, and semiconductor cooler is equipped with controller 6, wind
Fan 5 is connect with controller 6 by conducting wire.In order to enhance heat-conducting effect, between laser light source 1 and heat collector 9, radiator 7 with partly lead
There is heat-conducting interface material between chiller cold end 2, between semiconductor cooler cold end 3 and aluminium radiator 4.Laser light source 1
When work, heat is generated, and transfer heat to heat collector 9, then conducts heat to half by micro-channel flat or heat pipe 8
Conductor refrigerator cold end 2, it is cooling to fin finally by fan in conduction to semiconductor cooler hot end 3, aluminium radiator 4.Control
Device processed can be adjusted in real time semiconductor cooler electric current and rotation speed of the fan according to environment temperature and heat source temperature.
The present invention, micro-channel flat or heat pipe 8 include several parallel channels, are separated between channel by partition, in channel
Portion fills low boiling point refrigerant, and heat absorption transfers heat to the flat tube other end after undergoing phase transition, passes through aluminium radiator 4 and fan 5
It relies on gravity reflux, micro-channel flat or heat pipe 8 to be in close contact by welding or going here and there blade technolgy with other devices after condensation, extends
It is cooled down again to suitable region.Using heat pipe as thermally conductive bridge, then has the function of part antigravity.
The present invention, for integral structure, semiconductor cooler cold end 2 is adjacent to laser light source 1 and contacts, and reduces laser light
1 temperature of source, semiconductor cooler hot end 3 are adjacent to aluminium radiator 4 and contact, 5 face aluminium radiator 4 of fan, realize dissipating for heat
Out；Then it is to transfer heat to facilitate cooling space by micro-channel flat or heat pipe 8 for separate structure, realizes heat
Amount sheds.According to environment temperature and heat source temperature, semiconductor cooler electric current and rotation speed of the fan are adjusted by controller 6
It is whole, reach energy conservation and efficient purpose.Semiconductor cooler is light-weight, it is small in size and have relatively high refrigerating capacity.Microchannel
Flat tube or heat pipe 8 have preferable ductility, and space layout is flexible.The heat derives that radiator generates laser light source, make
Laser light source work safety at a temperature of, can be improved the service life of laser headlight for vehicles.
Claims (5)
1. a kind of laser headlight for vehicles radiator based on semiconductor cooler is tied according to laser headlight for vehicles inner space
Structure is divided into two kinds of structures of integral type and Separated radiating device；The integrated radiator is led by laser light source (1), partly
Chiller cold end (2), semiconductor cooler hot end (3), aluminium radiator (4), fan (5) and controller (6) composition, feature
Be: the controller (6) is located at the upper of semiconductor cooler, laser light source (1) and semiconductor cooler cold end (2) it
Between, between semiconductor cooler hot end (3) and aluminium radiator (4) have heat-conducting interface material；Fan (5) and controller (6) by
Conducting wire connection, and it is located at the side of aluminium radiator (4), the heat of laser light source (1) passes through semiconductor cooler cold end (2), half
Conductor refrigerator hot end (3) passes to aluminium radiator (4), is radiated by fin of the fan (5) to aluminium radiator (4), controller (6)
Semiconductor cooler electric current and fan (5) revolving speed are adjusted in real time.
2. a kind of laser headlight for vehicles radiator based on semiconductor cooler according to claim 1, feature exist
In: the Separated radiating device by laser light source (1), semiconductor cooler cold end (2), semiconductor cooler hot end (3),
Aluminium radiator (4), fan (5), controller (6), radiator (7), micro-channel flat or heat pipe (8), heat collector (9) composition, institute
The laser light source (1) stated, semiconductor cooler cold end (2), semiconductor cooler hot end (3) link together, aluminium radiator (4)
It links together with radiator (7), heat collector (9) is arranged in the side of semiconductor cooler hot end (3), micro-channel flat or heat
Two ends connection heat collector (9) of pipe (8) and radiator (7), radiator (7) and aluminium radiator (4) link together, the aluminium
The fin of radiator (4) is arranged in parallel with fan (5), between laser light source (1) and semiconductor cooler cold end (2), semiconductor
Between refrigerator hot end (3) and heat collector (9), there is heat-conducting interface material between radiator (7) and aluminium radiator (4), it is micro- logical
Two ends of road flat tube or heat pipe (8) connect heat collector (9) and radiator (7).
3. the laser headlight for vehicles radiator according to claim 1 or 2 based on semiconductor cooler, feature exist
In: the heat-conducting interface material is heat-conducting silicone grease, thermally conductive tin slurry or graphite flake, for improving heat conduction efficiency.
4. a kind of laser headlight for vehicles radiator based on semiconductor cooler according to claim 3, feature exist
In: the heat collector (9) links together with laser light source (1), and radiator (7), semiconductor cooler hot end (3) and aluminium dissipate
Hot device (4) links together, two ends connection heat collector (9) of micro-channel flat or heat pipe (8) and radiator (7), the aluminium
The fin of radiator (4) is upward and setting up and down with fan (5).
5. a kind of laser headlight for vehicles radiator based on semiconductor cooler according to claim 3, feature exist
Include several parallel channels in: the micro-channel flat or heat pipe (8), is separated between channel by partition, channel interior is filled
Low boiling point refrigerant is filled, heat absorption transfers heat to micro-channel flat or heat pipe (8) other end after undergoing phase transition, radiates by aluminium
Rely on gravity reflux after device (4) and fan (5) condensation, micro-channel flat or heat pipe (8) by weld or string blade technolgy with it is other
Device into intimate contact, extends to suitable region and is cooled down again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205040.2A CN109724051A (en) | 2019-03-18 | 2019-03-18 | A kind of laser headlight for vehicles radiator based on semiconductor cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205040.2A CN109724051A (en) | 2019-03-18 | 2019-03-18 | A kind of laser headlight for vehicles radiator based on semiconductor cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109724051A true CN109724051A (en) | 2019-05-07 |
Family
ID=66301993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910205040.2A Pending CN109724051A (en) | 2019-03-18 | 2019-03-18 | A kind of laser headlight for vehicles radiator based on semiconductor cooler |
Country Status (1)
| Country | Link |
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| CN (1) | CN109724051A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469821A (en) * | 2019-08-21 | 2019-11-19 | 华域视觉科技(上海)有限公司 | Laser light source car headlamp and automobile with efficient stable luminous flux |
| CN112310788A (en) * | 2019-07-29 | 2021-02-02 | 河北昌威电气设备有限公司 | Radiator structure of remote laser foreign matter removing instrument |
| CN112748632A (en) * | 2019-10-29 | 2021-05-04 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| CN112748631A (en) * | 2019-10-29 | 2021-05-04 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| CN112748633A (en) * | 2019-10-29 | 2021-05-04 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| CN112994411A (en) * | 2021-02-05 | 2021-06-18 | 四川恩巨实业有限公司 | Power adapter heat radiation structure |
| CN113048449A (en) * | 2019-12-27 | 2021-06-29 | 观致汽车有限公司 | Car light and have its vehicle |
| CN116298702A (en) * | 2023-05-24 | 2023-06-23 | 南方电网数字平台科技(广东)有限公司 | Full-voltage fault on-line monitoring equipment for power distribution network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113048449A (en) * | 2019-12-27 | 2021-06-29 | 观致汽车有限公司 | Car light and have its vehicle |
| CN112994411A (en) * | 2021-02-05 | 2021-06-18 | 四川恩巨实业有限公司 | Power adapter heat radiation structure |
| CN116298702A (en) * | 2023-05-24 | 2023-06-23 | 南方电网数字平台科技(广东)有限公司 | Full-voltage fault on-line monitoring equipment for power distribution network |
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