CN204648057U - Oil cooling LED automobile headlamp light source and assembly - Google Patents
Oil cooling LED automobile headlamp light source and assembly Download PDFInfo
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- CN204648057U CN204648057U CN201520193766.6U CN201520193766U CN204648057U CN 204648057 U CN204648057 U CN 204648057U CN 201520193766 U CN201520193766 U CN 201520193766U CN 204648057 U CN204648057 U CN 204648057U
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Abstract
The utility model provides a kind of oil cooling LED automobile headlamp light source, comprises Transparent lamp tube, LED lamp, heat conduction silicone oil and cooling base; Wherein, LED lamp to be arranged on inside Transparent lamp tube and to be arranged on cooling base; Transparent lamp tube and LED lamp form the first cavity, and conduction oil is filled in the first cavity.Transparent lamp tube adopts transparent soda-lime-silica glass, boron glass, quartz glass, alumina transparent ceramic, yttrium oxide transparent ceramic or yttrium aluminum garnet transparent ceramic to make.The column that Transparent lamp tube is one end open, the other end is closed, column is cylindric, rectangular column, cubic column, hexagonal columnar or column from all directions.The heat-sinking capability of the utility model by adopting oil cooling mode to strengthen LED light source, heat conduction silicone oil is filled in the cavity in Transparent lamp tube and cooling base, the heat that LED lamp sends can be diffused in heat conduction silicone oil effectively, effectively can improve the spatially uniform of LED light look and light intensity simultaneously.
Description
Technical field
The utility model relates to LED luminescence technology, particularly, relates to a kind of oil cooling LED automobile headlamp light source and assembly.
Background technology
LED progressively substitutes conventional light source in every field in recent years, and wherein automotive LED headlamp is exactly a very important application, and the high-end vehicle of multiple brand has brought into use LED headlamp.Occur at present a lot for replacing the LED light source of orthodox car headlamp light source on the market.But because brightness is inadequate, light type is bad, LED automobile headlamp light source could not cause the extensive accreditation of replacing market.This is because the luminous site volume of the existing filament lamp for car headlamp, xenon lamp is very little, be usually less than
and be 360 ° of illuminating sources.But LED is 180 ° of illuminating sources, replacement on the market be at present automotive LED headlamp by two LED light sources back-to-back or multiple LED light source form of being attached to regular polygon side reach 360 ° of luminous objects.Although this method reaches 360 ° of luminous objects, cause the problem that light source heat radiation is bad and volume is excessive, when making it be assigned in orthodox car headlamp assembly, occur the problem that brightness is inadequate, light type is bad.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of oil cooling LED automobile headlamp light source and assembly.
According to the oil cooling LED automobile headlamp light source that an aspect of the present utility model provides, comprise Transparent lamp tube, LED lamp, heat conduction silicone oil and cooling base;
Wherein, described LED lamp to be arranged on inside described Transparent lamp tube and to be arranged on described cooling base; Described Transparent lamp tube and LED lamp form the first cavity, and described conduction oil is filled in described first cavity.
Preferably, described Transparent lamp tube adopts transparent soda-lime-silica glass, boron glass, quartz glass, alumina transparent ceramic, yttrium oxide transparent ceramic or yttrium aluminum garnet transparent ceramic to make.
Preferably, the column that described Transparent lamp tube is one end open, the other end is closed, described column is cylindric, rectangular column, cubic column, hexagonal columnar or column from all directions.
Preferably, described LED lamp comprises first module module and second unit module;
Wherein, described first module module and described second unit module are spliced back-to-back; Described first module module and described second unit module include LED chip, heat-radiating substrate and box dam frame; Described LED chip is arranged on described heat-radiating substrate; Described box dam frame is arranged on the periphery of described LED chip.
Preferably, described cooling base is provided with the second cavity;
Wherein, described first cavity and described second cavity form closed circuit.
Preferably, also transparent fluorescent ceramic is comprised; Described transparent fluorescent ceramic is arranged in the inside casing of described box dam frame.
Preferably, described LED lamp comprises unit module;
Wherein, described unit module comprises LED chip, heat-radiating substrate and transparent fluorescent ceramic;
Described LED chip is arranged on described heat-radiating substrate; Described transparent fluorescent ceramic is arranged on the upside of described LED chip.
Preferably, described LED lamp comprises wafer-level packaging chip and transparent fluorescent ceramic;
Wherein, described transparent fluorescent ceramic is arranged on the both sides of described wafer-level packaging chip.
Preferably, described heat conduction silicone oil adopts transparent heat conduction silicone oil.
Preferably, described LED lamp is 360 degree and goes out radiant, and these the 360 degree ways of realization going out radiant are that wick adopts transparent material, polylith combines containing the heat sink of LED chip, directly on multiple of wick, places LED chip.
Preferably, described transparent fluorescent ceramic adopts rear-earth-doped yttrium (Re:Y
2o
3), luteium oxide pottery (Re:Lu
2o
3), scandium oxide pottery (Re:Sc
2o
3), yttrium-aluminium-garnet pottery (Re:Y
3al
5o
12), Luetcium aluminum garnet pottery (Re:Lu
3al
5o
12) or transition element doped aluminium oxide ceramics.
Preferably, rare earth element can be the Ce singly mixed, or Ce and Eu, Er, Nd, Pr, Gd, Tb, Sm, Tm, Dy, Yb or Lu one wherein or severally to mix altogether arbitrarily; Rare earth doped total amount is 0.001 to 10wt.%.
According to the oil cooling automotive LED headlamp assembly that another aspect of the present utility model provides, described oil cooling LED automobile headlamp light source, also comprises light source base, oil guide pipe and radiator;
Wherein, described oil cooling LED automobile headlamp light source is arranged in described light source base; The LED lamp of described oil cooling LED automobile headlamp light source is arranged on the slot of described oil guide pipe;
Described light source base is arranged on described radiator; Described oil guide pipe is arranged on the inner side in described light source base.
Compared with prior art, the utility model has following beneficial effect:
1, the heat-sinking capability of the utility model by adopting oil cooling mode to strengthen LED light source, heat conduction silicone oil is filled in the cavity in Transparent lamp tube and cooling base, the heat that LED lamp sends can be diffused in heat conduction silicone oil effectively, effectively can improve the spatially uniform of LED light look and light intensity simultaneously;
2, when in the utility model, LED lamp and cooling base assemble, heat conduction silicone oil is formed and circulates between light source and cooling base, by the heat loss through convection of heat conduction silicone oil and high heat capacity, the heat of light source is taken away in cooling base rapidly, and in cooling base, form good samming;
3, the automotive LED headlamp that the utility model provides can obtain luminous intensity, light-emitting area and the lighting angle close with existing car headlamp, can directly replace existing automobile headlamp light source.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the structural representation of oil cooling LED automobile headlamp light source in the utility model;
Fig. 2 is oil cooling automotive LED headlamp modular construction schematic diagram in the utility model;
Fig. 3 is the light intensity angular distribution of a unit module in the utility model.
In figure:
11 is Transparent lamp tube;
12 is heat conduction silicone oil;
13 is LED lamp;
21 is oil cooling LED automobile headlamp light source;
22 is oil guide pipe;
23 is light source base;
24 is radiator.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
Embodiment 1:
As shown in Fig. 1 institute, LED lamp is spliced back-to-back by two panels unit module.Monolithic module is made up of 5 White-light LED chips, aluminium nitride heat-radiating substrate and box dam frame.5 White-light LED chips use eutectic Welding to be welded in the surface of aluminium nitride heat-radiating substrate, use gold thread bonding technology to make 5 chips form cascaded structure.Caliber 10mm, pipe thickness is selected to be the transparent quartz glass tube of 1mm.In two monolithic modules are closed in by transparent quartz glass tube, two monolithic modules are close to back-to-back, and module and transparent quartz glass tube form a U-shaped cavity, i.e. the first cavity, fill conduction oil in U-shaped cavity, utilize conduction oil to circulate at light source inner chamber the high efficiency and heat radiation realizing light source.After energising, light source is 6000K white light, fluorescent tube 360 degree of luminescences and without obvious dark space.Described LED lamp is arranged on described cooling base.Cooling base is provided with the second cavity; Described first cavity and described second cavity form closed circuit.Described conduction oil adopts transparent heat conduction silicone oil.Described Transparent lamp tube adopts transparent soda-lime-silica glass, boron glass, quartz glass, alumina transparent ceramic, yttrium oxide transparent ceramic or yttrium aluminum garnet transparent ceramic to make.The column that described Transparent lamp tube is one end open, the other end is closed, described column is cylindric, rectangular column, cubic column, hexagonal columnar or column from all directions.
Embodiment 2:
Embodiment 2 is the variation of embodiment 1, and LED lamp is spliced back-to-back by two panels unit module.Monolithic module is made up of 5 blue-light LED chips, aluminium nitride heat-radiating substrate and box dam frame.5 vertical stratification blue-light LED chips use eutectic technology to be welded on the surface electrode of aluminium nitride heat-radiating substrate, and use gold thread bonding technology to make 5 blue-light LED chips form cascaded structure, blue-light LED chip periphery arranges the box dam frame that inside casing size is 3mm × 7mm.Use and be mixed with yellow, the silicone filler of red fluorescence powder dries in the box dam frame.When lighting, unit module presents the light distribution of nearly lambert's type, as shown in Figure 3.Caliber 10mm, pipe thickness is selected to be the transparent quartz glass tube of 1mm.In two panels unit module is closed in by transparency silica glass fluorescent tube, two unit modules are close to back-to-back, and two unit modules and quartz glass lamp vessel form a U-shaped cavity, fill conduction oil in U-shaped cavity.After energising, light source is 5000K white light, fluorescent tube 360 degree of luminescences and without obvious dark space.
Embodiment 3:
Embodiment 3 is the variation of embodiment 1, and LED lamp is spliced back-to-back by two panels unit module.Monolithic module is made up of 5 blue-light LED chips, aluminium nitride heat-radiating substrate, block transparent fluorescent ceramic and box dam frame.5 inverted structure chips use to cover on surface electrode that brilliant Welding is welded in aluminium nitride heat-radiating substrate and form cascaded structure, and chip periphery arranges the box dam that inside casing size is 3mm × 7mm.The Ce:YAG transparent fluorescent ceramic of 3mm × 7mm × 0.3mm is embedded in the inside casing of box dam frame.When lighting, single module presents the light distribution of nearly lambert's type, as shown in Figure 3.Caliber 10mm, pipe thickness is selected to be the clear soda-lime-silica glass pipe of 1mm.In two unit modules are closed in by clear soda-lime-silica glass fluorescent tube, two unit modules are close to back-to-back, and unit module and soda-lime-silica glass fluorescent tube form a U-shaped cavity, fill conduction oil in U-shaped cavity.After energising, light source is 6000K white light, fluorescent tube 360 degree of luminescences and without obvious dark space.
Embodiment 4:
Embodiment 4 is the variation of embodiment 1, and LED lamp is spliced back-to-back by two panels unit module.Monolithic module is made up of 5 blue-light LED chips, aluminium nitride heat-radiating substrate, block transparent fluorescent ceramic.5 inverted structure blue-light LED chips use to cover on surface electrode that brilliant Welding is welded in aluminium nitride heat-radiating substrate and form cascaded structure.The Ce:YAG transparent fluorescent ceramic of 5 1mm × 1mm × 0.4mm is affixed on directly over blue-light LED chip.When lighting, unit module presents the light distribution of nearly lambert's type, as shown in Figure 3.Caliber 10mm, pipe thickness is selected to be the transparent quartz glass tube of 1mm.Transparency silica glass fluorescent tube is by two module enclose in interior, and two modules are close to back-to-back, and module and quartz glass lamp vessel form a U-shaped cavity, fills conduction oil in U-shaped cavity.After energising, light source is 6000K white light, fluorescent tube 360 degree of luminescences and without obvious dark space.
Embodiment 5:
Embodiment 5 is the variation of embodiment 1, and LED lamp is made up of monolithic cell module.This unit module is made up of 5 LEDs chips, block transparent fluorescent ceramic, transparent fluorescent ceramic substrate.5 thin-film LEDs use and cover on surface electrode that brilliant Welding is welded in transparent fluorescent ceramic substrate and form cascaded structure.The Ce:YAG transparent fluorescent ceramic of 5 1mm × 1mm × 0.4mm is affixed on directly over chip.When lighting, single module presents 360 degree of luminescences.Caliber 10mm, pipe thickness is selected to be the transparent quartz glass tube of 1mm.In single module is closed in by transparency silica glass fluorescent tube, module and quartz glass lamp vessel form a U-shaped cavity, fill conduction oil in cavity.After energising, light source is 6000K white light, fluorescent tube 360 degree of luminescences and without obvious dark space.
Embodiment 6:
Embodiment 6 is the variation of embodiment 1, and LED lamp is made up of single-wafer level packaged chip.The wafer stage chip of Sapphire Substrate does not carry out back side coating film and directly can realize 360 degree of luminescences, is that the Ce:YAG transparent fluorescent ceramic of 0.3mm is affixed on wafer stage chip two sides by two panels thickness.Caliber 10mm, pipe thickness is selected to be the transparent quartz glass tube of 1mm.In wafer-level packaging chip is closed in by transparency silica glass fluorescent tube, chip and transparent quartz glass tube form a U-shaped cavity, fill conduction oil in cavity.After energising, light source is 6000K white light, fluorescent tube 360 degree of luminescences and no dark space.
Embodiment 7:
As shown in Figure 2, the oil cooling LED automobile headlamp light source 21 of embodiment 1 is installed in light source base 23.During installation, wick is plugged on the slot in the middle of two oil guide pipes 22, then puts transparent quartz glass tube, and internally cavity fills the rear good seal of oil.After adding 30W power to LED light source, realize 3000lm, 6000K white light exports.During thermal balance, transparent quartz glass tube temperature 51 DEG C, radiator temperature 46 DEG C.After replacing H7 xenon lamp, light type is good, and brightness increases.
Embodiment 8:
The oil cooling LED automobile headlamp light source of embodiment 2 is installed in light source base 23.During installation, wick is plugged on the slot in the middle of two oil guide pipes 22, then puts transparent quartz glass tube, and internally cavity fills the rear good seal of oil.After adding 30W power to LED light source, realize 2700lm, 5000K white light exports.During thermal balance, transparency silica glass temperature 53 DEG C, radiator temperature 47 DEG C.After replacing H7 xenon lamp, light type is good, and brightness increases.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. an oil cooling LED automobile headlamp light source, is characterized in that, comprises Transparent lamp tube, LED lamp, conduction oil and cooling base;
Wherein, described LED lamp to be arranged on inside described Transparent lamp tube and to be arranged on described cooling base; Described Transparent lamp tube and LED lamp form the first cavity, and described conduction oil is filled in described first cavity.
2. oil cooling LED automobile headlamp light source according to claim 1, it is characterized in that, described Transparent lamp tube adopts transparent soda-lime-silica glass, boron glass, quartz glass, alumina transparent ceramic, yttrium oxide transparent ceramic or yttrium aluminum garnet transparent ceramic to make.
3. oil cooling LED automobile headlamp light source according to claim 1, is characterized in that, the column that described Transparent lamp tube is one end open, the other end is closed, and described column is cylindric, rectangular column, cubic column, hexagonal columnar or column from all directions.
4. oil cooling LED automobile headlamp light source according to claim 1, is characterized in that, described LED lamp comprises first module module and second unit module;
Wherein, described first module module and described second unit module are spliced back-to-back; Described first module module and described second unit module include LED chip, heat-radiating substrate and box dam frame; Described LED chip is arranged on described heat-radiating substrate; Described box dam frame is arranged on the periphery of described LED chip.
5. oil cooling LED automobile headlamp light source according to claim 4, is characterized in that, described cooling base is provided with the second cavity;
Wherein, described first cavity and described second cavity form closed circuit.
6. oil cooling LED automobile headlamp light source according to claim 4, is characterized in that, also comprise transparent fluorescent ceramic; Described transparent fluorescent ceramic is arranged in the inside casing of described box dam frame.
7. oil cooling LED automobile headlamp light source according to claim 1, is characterized in that, described LED lamp comprises unit module;
Wherein, described unit module comprises LED chip, heat-radiating substrate and transparent fluorescent ceramic;
Described LED chip is arranged on described heat-radiating substrate; Described transparent fluorescent ceramic is arranged on the upside of described LED chip.
8. oil cooling LED automobile headlamp light source according to claim 1, is characterized in that, described LED lamp comprises wafer-level packaging chip and transparent fluorescent ceramic;
Wherein, described transparent fluorescent ceramic is arranged on the both sides of described wafer-level packaging chip.
9. oil cooling LED automobile headlamp light source according to claim 1, is characterized in that, described conduction oil adopts transparent heat conduction silicone oil.
10. an oil cooling automotive LED headlamp assembly, is characterized in that, comprises the oil cooling LED automobile headlamp light source described in any one of claim 1 to 9, also comprises light source base, oil guide pipe and radiator;
Wherein, described oil cooling LED automobile headlamp light source is arranged in described light source base; The LED lamp of described oil cooling LED automobile headlamp light source is arranged on the slot of described oil guide pipe;
Described light source base is arranged on described radiator; Described oil guide pipe is arranged on the inner side in described light source base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520193766.6U CN204648057U (en) | 2015-04-01 | 2015-04-01 | Oil cooling LED automobile headlamp light source and assembly |
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| CN201520193766.6U CN204648057U (en) | 2015-04-01 | 2015-04-01 | Oil cooling LED automobile headlamp light source and assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519863A (en) * | 2018-11-14 | 2019-03-26 | 鲍灵杰 | A kind of automobile LED high beam |
| CN110701514A (en) * | 2019-10-11 | 2020-01-17 | 深圳市德和生物科技有限公司 | Light-emitting diode (LED) light supplementing device for algae cultivation |
| CN110713901A (en) * | 2019-11-08 | 2020-01-21 | 深圳市德和生物科技有限公司 | Little algae cultivation light biological reaction cauldron and contain its continuous culture reaction system |
| CN110760439A (en) * | 2019-11-08 | 2020-02-07 | 深圳市德和生物科技有限公司 | Algae cultivation photo-biological reaction kettle and continuous culture reaction system containing same |
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2015
- 2015-04-01 CN CN201520193766.6U patent/CN204648057U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519863A (en) * | 2018-11-14 | 2019-03-26 | 鲍灵杰 | A kind of automobile LED high beam |
| CN110701514A (en) * | 2019-10-11 | 2020-01-17 | 深圳市德和生物科技有限公司 | Light-emitting diode (LED) light supplementing device for algae cultivation |
| CN110713901A (en) * | 2019-11-08 | 2020-01-21 | 深圳市德和生物科技有限公司 | Little algae cultivation light biological reaction cauldron and contain its continuous culture reaction system |
| CN110760439A (en) * | 2019-11-08 | 2020-02-07 | 深圳市德和生物科技有限公司 | Algae cultivation photo-biological reaction kettle and continuous culture reaction system containing same |
| WO2021088128A1 (en) * | 2019-11-08 | 2021-05-14 | 深圳市德和生物科技有限公司 | Algae culture photobiological reaction kettle and continuous culture reaction system comprising same |
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Effective date of registration: 20170414 Address after: 215000 Jiangsu Industrial Park, Suzhou, and on the way to science and Technology Park, room 1, No. 242 Patentee after: SUZHOU INDUSTRIAL PARK JINGGUAN PORCELAIN MATERIAL TECHNOLOGY CO.,LTD. Address before: 215000 Jiangsu Industrial Park, Suzhou, and on the way to science and Technology Park, room 1, No. 249 Patentee before: SUZHOU DONGGUAN JINGYUAN PHOTOELECTRIC SCIENCE & TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190514 Address after: 100086 room 5A, Hing Fat mansion, 45 Zhongguancun Avenue, Haidian District, Beijing. Patentee after: Beijing Hui Yao Xingguang ceramic material technology Co.,Ltd. Address before: 215000 Suzhou Industrial Park and 242, Shun Chi Road, 1, Jiangsu. Patentee before: SUZHOU INDUSTRIAL PARK JINGGUAN PORCELAIN MATERIAL TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20220824 Address after: Room 702, Building 12, No. 2, Xingye Road, Songshan Lake Park, Dongguan City, Guangdong 523000 Patentee after: Zhongke Haoye (Dongguan) material technology Co.,Ltd. Address before: 100086 room 5A, Hing Fat mansion, 45 Zhongguancun Avenue, Haidian District, Beijing. Patentee before: Beijing Hui Yao Xingguang ceramic material technology Co.,Ltd. |