CN103807719A - Liquid-cooled LED headlamp for means of transportation - Google Patents

Liquid-cooled LED headlamp for means of transportation Download PDF

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Publication number
CN103807719A
CN103807719A CN201410064309.7A CN201410064309A CN103807719A CN 103807719 A CN103807719 A CN 103807719A CN 201410064309 A CN201410064309 A CN 201410064309A CN 103807719 A CN103807719 A CN 103807719A
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CN
China
Prior art keywords
led headlamp
water pipe
heat radiation
headlamp
heat dissipation
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Pending
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CN201410064309.7A
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Chinese (zh)
Inventor
钱晓明
樊朝晖
贾尚碧
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Fan Chaohui
Jia Shangbi
QIAN XIAOMING
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Individual
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Priority to CN201410064309.7A priority Critical patent/CN103807719A/en
Publication of CN103807719A publication Critical patent/CN103807719A/en
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Abstract

The invention discloses a liquid-cooled LED headlamp for a means of transportation. The liquid-cooled LED headlamp comprises a columnar closed cavity heat dissipation lamp body. The heat dissipation lamp body is filled with cooling liquid. A plurality of LED lamp beads are evenly arranged along the columnar surface of the heat dissipation lamp body. A hot water pipe connector and a cold water pipe connector are formed in one end of the heat dissipation lamp body and are connected with a water-cooled heat sink through a hot water pipe and a cold water pipe respectively. By the adoption of the liquid circulation heat dissipation technology, the heat dissipation efficiency of the lamp body is improved, and the purpose of dissipating heat of the LED headlamp in an airtight working environment is successfully achieved. The reliability and the service life of the LED headlamp are guaranteed, the service life of the LED headlamp is 10-30 times longer than that of a traditional lamp, and it is made possible that the headlamp of the means of transportation does not need to be replaced at all. Based on the design of an integrated lamp cap, the LED headlamp can be easily and conveniently realized just by replacing an original light source of an original car assembly, and the LED headlamp meets various regulatory requirements of various countries on headlamps.

Description

A kind of liquid cooling LED headlamp for the vehicles
Technical field
The present invention relates to LED lighting technical field, be specifically related to a kind of liquid cooling LED headlamp for the vehicles.
Background technology
Nowadays, LED technology has been widely used on the various vehicles, and for example most motor-driven headlamp has also all adopted LED technology successively.Although in equal brightness situation, LED is than the economize on electricity of conventional lights pearl, because LED headlamp is locating in airtight working environment, how good heat radiating is exactly a problem of needing solution badly.At present, the heat dissipating method of existing LED headlamp is by heat loss through conduction, and this method radiating efficiency is relatively low, causes shorten the service life of LED headlamp, and the frequency of changing headlamp increases, and has greatly improved cost of upkeep.
Summary of the invention
For the problem of above-mentioned existence, the invention provides a kind of liquid cooling LED headlamp for the vehicles, adopt unique liquid-circulating heat radiation technology, the radiating efficiency of lamp body is improved, successfully solved the heat radiation difficult problem of LED headlamp in closed loop work border.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of liquid cooling LED headlamp for the vehicles, comprise a column closed cavity heat radiation body, in described heat radiation body, be marked with cooling fluid, on described heat radiation body, prolong its cylinder and be evenly provided with several LED lamp pearls, one end of described heat radiation body offers hot-water line interface and cold water pipe interface, and described hot-water line interface is connected with a water-filled radiator with cold water pipe by hot-water line respectively with described cold water pipe interface.
Further, described heat radiation body is six prismatics.
Further, described LED lamp pearl comprises dipped beam LED lamp pearl and distance light LED lamp pearl.
Further, described hot-water line interface and described cold water pipe interface vertically distribute, and described hot-water line interface is upper, described cold water pipe interface under.
Further, described heat radiation body is provided with fixture.
Operation principle of the present invention is as follows:
The most basic liquid heat of liquid cooling LED headlamp of the present invention utilization rises cold physical principle of falling, and forms water circulation and takes away lamp body LED heat.After the energising of LED lamp pearl is started working, light source and driving chip produce heat.Heat passes to the cooling fluid of inner chamber by the metal lamp body of high thermal conductivity.Can be excessive to top after coolant temperature raises, discharge from lamp body top hot-water line, enter water-filled radiator.Enter the cooling fluid of water-filled radiator through the radiating fin of radiator, dissipation of heat is in air, and coolant temperature reduces, and the cold water pipe from water-filled radiator enters lamp body again, forms the circulation of cooling fluid.Without by any external strength, the heat of light source is successfully distributed.
Beneficial effect of the present invention is as follows:
1, the present invention adopts unique liquid-circulating heat radiation technology, and the radiating efficiency of lamp body is improved, and has successfully solved the heat radiation difficult problem of LED headlamp in closed loop work border.Guaranteed reliability and the service life of LED lamp holder, doubly, to make to change all the life lamp become possibility to the 10-30 that extended service life compared with conventional lights.
2, in a kind of embodiment of the present invention, the dipped beam LED lamp pearl of evenly arranging on hexagon lamp body, form 720 ° luminous, reach at 360 ° of space overlaps and cover, realize 100% even lighting, can be according to different automobile types requirement, LED single lamp holder general power is set to 10-35W, luminous flux can reach 800-4000LM, substantially covers the headlamp requirement of most of vehicle, is waiting in brightness situation than traditional headlamp economize on electricity 60-90% simultaneously.
3, in another kind of embodiment of the present invention, on hexagon lamp body, evenly arrange distance light LED lamp pearl and dipped beam LED lamp pearl, reach luminous 720 ° of high beam, within the scope of 360 °, form overlapping even lighting, luminous 360 ° of dipped headlights, 180 ° of overlapping even lighting of scope, bulb general power is 10W (distance light)+10W(dipped beam), than the 60W of Halogen lamp LED (distance light)+55W(dipped beam) energy-conservation more than 80%, brightness improves 20-30%.
4, the present invention adopts the design of one lamp holder, utilizes original automobile assembly, only needs to change original light source, gets final product easy realization, meets the every laws and regulations requirement of various countries about headlamp.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the system architecture schematic diagram of the first embodiment of the present invention;
Fig. 2 is the LED lamp pearl distribution schematic diagram of the first embodiment of the present invention;
Fig. 3 is the system architecture schematic diagram of the second embodiment of the present invention;
Fig. 4 is the LED lamp pearl distribution schematic diagram of the second embodiment of the present invention.
Number in the figure explanation: 1, heat radiation body; 201, dipped beam LED lamp pearl; 202, distance light LED lamp pearl; 3, hot-water line interface; 4, cold water pipe interface; 5, hot-water line; 6, cold water pipe; 7, water-filled radiator; 8, fixture.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Embodiment 1
Shown in Fig. 1,2, a kind of liquid cooling LED headlamp for the vehicles, comprise a column closed cavity heat radiation body 1, in described heat radiation body 1, be marked with cooling fluid, described heat radiation body 1 is six prismatics, and six seamed edges that prolonging described heat radiation body 1 are provided with two circle dipped beam LED lamp pearls 201, on each cylinder, be evenly provided with the dipped beam LED lamp pearl 201 described in 4, form 720 ° luminous, reach at 360 ° of space overlaps and cover, realize 100% even lighting.On described heat radiation body 1, be also provided with fixture 8, described fixture 8 life size designs, directly realize and replacing.
One end of described heat radiation body 1 vertically offers hot-water line interface 3 and cold water pipe interface 4, described hot-water line interface 3 is upper, described cold water pipe interface 4 under, described hot-water line interface 3 is connected with a water-filled radiator 7 with cold water pipe 6 by hot-water line 5 respectively with described cold water pipe interface 4.
After the energising of LED lamp pearl is started working, light source and driving chip produce heat.Heat passes to the cooling fluid of inner chamber by the described heat radiation body 1 of high thermal conductivity.Can be excessive to top after coolant temperature raises, discharge from the described hot-water line 5 on described heat radiation body 1 top, enter described water-filled radiator 7.Enter the cooling fluid of described water-filled radiator 7 through the radiating fin of radiator, dissipation of heat is in air, and coolant temperature reduces, and again enters described heat radiation body 1 from described cold water pipe 6, forms the circulation of cooling fluid.Without by any external strength, the heat of light source is successfully distributed.
Embodiment 2
Shown in Fig. 3,4, a kind of liquid cooling LED headlamp for the vehicles, there is distance-light handoff functionality, comprise a column closed cavity heat radiation body 1, in described heat radiation body 1, be marked with cooling fluid, described heat radiation body 1 is six prismatics, six seamed edges that prolonging described heat radiation body 1 are provided with half-turn dipped beam LED lamp pearl 201, on three cylinders of described heat radiation body 1 first half, be evenly provided with the dipped beam LED lamp pearl 201 described in 2, form 360 ° luminous, reach 180 ° of even overlapping dipped headlights light sources; Six seamed edges that prolonging described heat radiation body 1 are provided with a circle distance light LED lamp pearl 202, are respectively equipped with the distance light LED lamp pearl 202 described in 1 on 6 cylinders of described heat radiation body 1, form 720 ° luminous, reach 360 ° of even overlapping high beam light sources.On described heat radiation body 1, be also provided with fixture 8, described fixture 8 life size designs, directly realize and replacing.
One end of described heat radiation body 1 vertically offers hot-water line interface 3 and cold water pipe interface 4, described hot-water line interface 3 is upper, described cold water pipe interface 4 under, described hot-water line interface 3 is connected with a water-filled radiator 7 with cold water pipe 6 by hot-water line 5 respectively with described cold water pipe interface 4.
After the energising of LED lamp pearl is started working, light source and driving chip produce heat.Heat passes to the cooling fluid of inner chamber by the described heat radiation body 1 of high thermal conductivity.Can be excessive to top after coolant temperature raises, discharge from the described hot-water line 5 on described heat radiation body 1 top, enter described water-filled radiator 7.Enter the cooling fluid of described water-filled radiator 7 through the radiating fin of radiator, dissipation of heat is in air, and coolant temperature reduces, and again enters described heat radiation body 1 from described cold water pipe 6, forms the circulation of cooling fluid.Without by any external strength, the heat of light source is successfully distributed.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (5)

1. the liquid cooling LED headlamp for the vehicles, it is characterized in that: comprise a column closed cavity heat radiation body (1), described heat radiation body is marked with cooling fluid in (1), on described heat radiation body (1), prolong its cylinder and be evenly provided with several LED lamp pearls, one end of described heat radiation body (1) offers hot-water line interface (3) and cold water pipe interface (4), and described hot-water line interface (3) is connected with an extension water-filled radiator (7) with cold water pipe (6) by hot-water line (5) respectively with described cold water pipe interface (4).
2. the liquid cooling LED headlamp for the vehicles according to claim 1, is characterized in that: described heat radiation body (1) is six prismatics.
3. the liquid cooling LED headlamp for the vehicles according to claim 1, is characterized in that: described LED lamp pearl (2) comprises dipped beam LED lamp pearl (201) and distance light LED lamp pearl (202).
4. the liquid cooling LED headlamp for the vehicles according to claim 1, it is characterized in that: described hot-water line interface (3) vertically distributes with described cold water pipe interface (4), described hot-water line interface (3) is upper, described cold water pipe interface (4) under.
5. the liquid cooling LED headlamp for the vehicles according to claim 1, is characterized in that: described heat radiation body (1) is provided with fixture (8).
CN201410064309.7A 2014-02-25 2014-02-25 Liquid-cooled LED headlamp for means of transportation Pending CN103807719A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132292A (en) * 2014-08-15 2014-11-05 中投仙能科技(苏州)有限公司 Self-circulation liquid-cooled LED automotive headlamp
CN104390184A (en) * 2014-09-30 2015-03-04 广东斯科电气股份有限公司 Automobile LED (Light Emitting Diode) headlamp
CN107448866A (en) * 2017-09-11 2017-12-08 浙江省金华市第特种灯泡厂 A kind of LED lamp component and automobile
AT519775A1 (en) * 2017-03-28 2018-10-15 Zkw Group Gmbh Vehicle headlight and cooling system
CN111656090A (en) * 2018-01-30 2020-09-11 海拉有限双合股份公司 Headlamp for vehicle with cooling device for semiconductor lighting mechanism
CN114110521A (en) * 2022-01-26 2022-03-01 常州通宝光电股份有限公司 LED module of running lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101696775A (en) * 2009-10-11 2010-04-21 吴育林 LED lamp with favorable heat radiating performance
JP2011154880A (en) * 2010-01-27 2011-08-11 Denso Corp Circuit cooling apparatus
CN102734731A (en) * 2012-07-13 2012-10-17 梁允生 Novel integrated LED (light-emitting diode) headlight
CN103591527A (en) * 2013-11-28 2014-02-19 郝明刚 Internal circulation type locomotive LED lamp head structure
CN203823623U (en) * 2014-02-25 2014-09-10 钱晓明 Liquid cooling type LED (light emitting diode) headlamp used for vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101696775A (en) * 2009-10-11 2010-04-21 吴育林 LED lamp with favorable heat radiating performance
JP2011154880A (en) * 2010-01-27 2011-08-11 Denso Corp Circuit cooling apparatus
CN102734731A (en) * 2012-07-13 2012-10-17 梁允生 Novel integrated LED (light-emitting diode) headlight
CN103591527A (en) * 2013-11-28 2014-02-19 郝明刚 Internal circulation type locomotive LED lamp head structure
CN203823623U (en) * 2014-02-25 2014-09-10 钱晓明 Liquid cooling type LED (light emitting diode) headlamp used for vehicle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132292A (en) * 2014-08-15 2014-11-05 中投仙能科技(苏州)有限公司 Self-circulation liquid-cooled LED automotive headlamp
CN104390184A (en) * 2014-09-30 2015-03-04 广东斯科电气股份有限公司 Automobile LED (Light Emitting Diode) headlamp
AT519775A1 (en) * 2017-03-28 2018-10-15 Zkw Group Gmbh Vehicle headlight and cooling system
AT519775B1 (en) * 2017-03-28 2018-12-15 Zkw Group Gmbh Vehicle headlight and cooling system
CN107448866A (en) * 2017-09-11 2017-12-08 浙江省金华市第特种灯泡厂 A kind of LED lamp component and automobile
CN111656090A (en) * 2018-01-30 2020-09-11 海拉有限双合股份公司 Headlamp for vehicle with cooling device for semiconductor lighting mechanism
CN111656090B (en) * 2018-01-30 2022-07-12 海拉有限双合股份公司 Headlamp for vehicle with cooling device for semiconductor lighting mechanism
CN114110521A (en) * 2022-01-26 2022-03-01 常州通宝光电股份有限公司 LED module of running lamp
CN114110521B (en) * 2022-01-26 2022-04-15 常州通宝光电股份有限公司 LED module of running lamp

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Address before: Huqiu Jialin Garden District of Suzhou City, Jiangsu province 215000 building 57 room 603

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Application publication date: 20140521