CN204268291U - Automobile LED headlamp - Google Patents
Automobile LED headlamp Download PDFInfo
- Publication number
- CN204268291U CN204268291U CN201420576032.1U CN201420576032U CN204268291U CN 204268291 U CN204268291 U CN 204268291U CN 201420576032 U CN201420576032 U CN 201420576032U CN 204268291 U CN204268291 U CN 204268291U
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- Prior art keywords
- light source
- led headlamp
- radiator
- automobile led
- stiff end
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of automobile LED headlamp, light source fixing frame comprises installation end and stiff end, and installation end has three installed surfaces, three aluminium bases are located on three installed surfaces respectively, wherein two aluminium bases are arranged away from stiff end, and an aluminium base is arranged near stiff end, and aluminium base is provided with LED light source; Radiator comprises link and radiating end, and link offers installing hole, and radiating end offers accepting groove, and stiff end is connected with interference fit, and radiator fan is contained in accepting groove, and dust cover fits in radiating end; Stator is socketed on stiff end, and protective cover is connected with the end face of installation end.Automobile LED headlamp is installed in limited spatial dimension, on the one hand, 360 ° of luminescences of LED light source, improve the utilization rate of light source, on the other hand, the Rational structure design of all parts, preferably resolve the heat dissipation problem of LED light source, extend the service life of light source.
Description
Technical field
The utility model relates to a kind of light fixture, particularly relates to a kind of automobile LED headlamp.
Background technology
Traditional car headlamp mainly contains 2 kinds, and a kind of is the halogen bulb of the standard interfaces such as H1, H4, H7, H11 of industry universal, and another kind is gas-discharge lamp, as xenon headlight.The filament rapid wear of halogen headlamp, the life-span is short, frequent switch easy burn-out.Starting resistor, the electric current of Xenon headlamp are high, and drive circuit works wide ranges, difficulty are large, fault rate is high.
LED headlamp has energy-conservation, life-span length, environmental protection, without stroboscopic, shock-resistant, low-heat operating at voltages, wide-voltage range, luminous efficiency are high, brightness is high, response is fast, aobviously refer to the advantages such as high, color is Well-recovered, weatherability and good reliability, make it just progressively replace traditional car headlamp, become the development trend of car headlamp.
LED headlamp is loaded in the housing of automobile front face, because the spatial accommodation of this housing is limited, LED headlamp is loaded in limited spatial dimension, need to consider the luminous efficiency problem of LED headlamp and the heat dissipation problem under high-power operation state simultaneously, thus improve the utilization rate of light source and extend the service life of light source.
Utility model content
The purpose of this utility model overcomes weak point of the prior art, provides a kind of automobile LED headlamp improving light source utilization rate and extend light source service life in limited spatial dimension.
The purpose of this utility model is achieved through the following technical solutions:
A kind of automobile LED headlamp, comprising:
Light source fixing frame, in rectangular column structure, described light source fixing frame comprises installation end in triangular prism shape and cylindrical stiff end, and the cross section of described installation end is equilateral triangle, described installation end has three installed surfaces, and the cross section of described stiff end is circular;
Aluminium base, the quantity of described aluminium base is three, and three described aluminium bases are located on three described installed surfaces of described installation end respectively, and wherein two described aluminium bases are arranged away from described stiff end, and a described aluminium base is arranged near described stiff end;
LED light source, described aluminium base is provided with described LED light source;
Radiator, described radiator has radiating fin, described radiator comprises link and radiating end, the cross sectional dimensions of described link is less than the cross sectional dimensions of described radiating end, and by described link to described radiating end rounding off, described link offers installing hole, described radiating end offers accepting groove, described installing hole and described accepting groove mutually through, the described stiff end of described light source fixing frame is connected with the described installing hole interference fit of described radiator;
Radiator fan, described radiator fan is contained in the described accepting groove of described radiator;
Dust cover, described dust cover fits in the described radiating end of described radiator, and with the edge conjunction of described accepting groove;
Stator, described stator is socketed on the described stiff end of described light source fixing frame;
Protective cover, described protective cover is connected with the end face of the described installation end of described light source fixing frame.
Wherein in an embodiment, described automobile LED headlamp also comprises hygrosensor, and described hygrosensor is located on described aluminium base.
Wherein in an embodiment, described automobile LED headlamp also comprises control circuit, and described control circuit is electrically connected with described hygrosensor, three described aluminium bases, described radiator fans respectively.
Wherein in an embodiment, described automobile LED headlamp also comprises vehicle power, and described vehicle power is electrically connected with described control circuit.
Wherein in an embodiment, described dust cover offers multiple through hole, multiple described through hole is uniformly distributed.
Wherein in an embodiment, described radiator fan is turbotype structure.
Three aluminium bases lay respectively on three installed surfaces, the LED light source on installation end is worked together and realizes 360 ° of luminescences, optimize the lighting angle of LED light source, improve the utilization rate of light, are conducive to better realizing automotive lighting.
Interference fit connection ensure that good contact and heat transfer, makes two assembling parts effects substantially be equal to a metal integral, improves the conduction efficiency of heat.
Radiator fan is turbotype structure, and adopt turbotype structure can improve the air-supply efficiency of radiator fan entirety further, the heat produced when being worked by automobile LED headlamp is discharged in time, extends the service life of automobile LED headlamp.
Dust cover offers multiple through hole, multiple through hole is uniformly distributed, and dust cover offers the air producing convection current when multiple through hole is conducive to radiator fan work, better can be taken out of by the heat in automobile LED headlamp, improve overall heat-sinking capability.
In aluminium base, increase hygrosensor, controlled by control circuit to temperature feedback closed loop, when temperature reaches setting entry condition, radiator fan starts progressively to improve rotating speed with temperature, to realize automatic speed regulation controlling LED light source temperature.When LED light source temperature reaches capping, control circuit can carry out reduction LED light source operating power automatically, makes temperature ensure, in the limit range that can bear, to avoid LED light source to damage.
Automobile LED headlamp is installed in limited spatial dimension, on the one hand, 360 ° of luminescences of LED light source, improve the utilization rate of light source, on the other hand, the Rational structure design of all parts, preferably resolve the heat dissipation problem of LED light source, extend the service life of light source.
Accompanying drawing explanation
Fig. 1 is the assembly drawing of the automobile LED headlamp of the utility model one embodiment;
Fig. 2 is the exploded view of the automobile LED headlamp shown in Fig. 1;
Fig. 3 is the structure chart of the light source fixing frame of the automobile LED headlamp shown in Fig. 2;
Fig. 4 is the structure chart of the radiator of the automobile LED headlamp shown in Fig. 2;
Fig. 5 is the structure chart of the radiator fan of the automobile LED headlamp shown in Fig. 2;
Fig. 6 is the structure chart of the dust cover of the automobile LED headlamp shown in Fig. 2;
Fig. 7 is the structure chart of the stator of the automobile LED headlamp shown in Fig. 2;
Fig. 8 is the structure chart of the protective cover of the automobile LED headlamp shown in Fig. 2;
Fig. 9 is the schematic diagram that automobile LED headlamp is connected with control circuit.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Figure 1, it is the assembly drawing of the automobile LED headlamp 10 of the utility model one embodiment.See also Fig. 2, it is the exploded view of the automobile LED headlamp 10 shown in Fig. 1.
Automobile LED headlamp 10 comprises: light source fixing frame 100, aluminium base 200, LED light source 300, radiator 400, radiator fan 500, dust cover 600, stator 700 and protective cover 800.
As shown in Figure 3, it is the structure chart of the light source fixing frame 100 of the automobile LED headlamp 10 shown in Fig. 2.Light source fixing frame 100 is in rectangular column structure, and light source fixing frame 100 comprises installation end 110 and stiff end 120.The cross section of installation end 110 is equilateral triangle, and installation end 110 has three installed surfaces 112, and namely installation end 110 is in triangular prism shape.The cross section of stiff end 120 is circular, and namely stiff end 120 is in cylindric.In the present embodiment, light source fixing frame 100 preferably adopts aluminum material to make, and aluminium has the fast advantage of radiating rate, is the good conductor of heat.
The quantity of aluminium base 200 is three, and three aluminium bases 200 are located on three installed surfaces 112 of installation end 110 respectively, and wherein two aluminium bases 200 are arranged away from stiff end 120, and an aluminium base 200 is arranged near stiff end 120.Meanwhile, aluminium base 200 is provided with LED light source 300.
Two aluminium bases 200 away from stiff end 120 use as dipped headlights, and an aluminium base 200 near stiff end 120 uses as high beam, three independent control circui of aluminium base 200, thus the function realizing distance-light switches.
Three aluminium bases 200 lay respectively on three installed surfaces 112, the LED light source 300 on installation end 110 is worked together and realizes 360 ° of luminescences, optimize the lighting angle of LED light source 300, improve the utilization rate of light, be conducive to better realizing automotive lighting.
As shown in Figure 4, it is the structure chart of the radiator 400 of the automobile LED headlamp 10 shown in Fig. 2.Radiator 400 has radiating fin 430, radiator 400 comprises link 410 and radiating end 420, the cross sectional dimensions of link 410 is less than the cross sectional dimensions of radiating end 420, and by link 410 to radiating end 420 rounding off, link 410 offers installing hole 412, radiating end 420 offers accepting groove 422, installing hole 412 is mutually through with accepting groove 422, and the stiff end 120 of light source fixing frame 100 is connected with installing hole 412 interference fit of radiator 400.
Interference fit connection ensure that good contact and heat transfer, makes two assembling parts effects substantially be equal to a metal integral, improves the conduction efficiency of heat.Be noted that the fin technology that radiator 400 adopts extraordinary aluminium alloy to design, the appropriate design of radiating fin 430 significantly increases surface area, improves the radiating efficiency of radiator 400.
As shown in Figure 5, it is the structure chart of the radiator fan 500 of the automobile LED headlamp 10 shown in Fig. 2.Radiator fan 500 is contained in the accepting groove 422 of radiator 400.In the present embodiment, radiator fan 500 is turbotype structure, adopt turbotype structure can improve the air-supply efficiency of radiator fan 500 entirety further, the heat produced when being worked by automobile LED headlamp 10 is discharged in time, extends the service life of automobile LED headlamp 10.
As shown in Figure 6, it is the structure chart of the dust cover 600 of the automobile LED headlamp 10 shown in Fig. 2.Dust cover 600 fits in the radiating end 420 of radiator 400, and with the edge conjunction of accepting groove 422, the radiator fan 500 in accepting groove 422 covers by dust cover 600.In the present embodiment, dust cover 600 offers multiple through hole 610, multiple through hole 610 is uniformly distributed, dust cover 600 offers the air that multiple through hole 610 is conducive to producing when radiator fan 500 works convection current, better the heat in automobile LED headlamp 10 can be taken out of, improve overall heat-sinking capability.
As shown in Figure 7, it is the structure chart of the stator 700 of the automobile LED headlamp 10 shown in Fig. 2.Stator 700 is socketed on the stiff end 120 of light source fixing frame 100.
As shown in Figure 8, it is the structure chart of the protective cover 800 of the automobile LED headlamp 10 shown in Fig. 2.Protective cover 800 is connected with the end face of the installation end 110 of light source fixing frame 100.
Especially, automobile LED headlamp 10 also comprises hygrosensor (not shown), and hygrosensor is located on aluminium base 200.
As shown in Figure 9, it is the schematic diagram that automobile LED headlamp 10 is connected with control circuit 20.Control circuit 20 is electrically connected with hygrosensor, three aluminium bases 200, radiator fans 500 respectively.Meanwhile, control circuit 20 is also electrically connected with vehicle power (not shown), and vehicle power is used for providing power supply for control circuit 20.
Employing 6 core Teflon line and extraordinary reverse connection preventing water swivel is connected between control circuit 20 with automobile LED headlamp 10, can effective dustproof and waterproof, provide good environment to connector, thus extend electric contact life.Further, control circuit 20 and automobile LED headlamp 10 are split layout, processes separately, make heat dissipation problem can obtain more easily solving.
Hygrosensor is increased in aluminium base 200, controlled by control circuit 20 pairs of temperature feedback closed loops, when temperature reaches setting entry condition, radiator fan 500 starts progressively to improve rotating speed with temperature, to realize automatic speed regulation controlling LED light source 300 temperature.When LED light source 300 temperature reaches capping, control circuit 20 can carry out reduction LED light source 300 operating power automatically, makes temperature ensure in the limit range that can bear, avoids LED light source 300 to damage.
Automobile LED headlamp 10 is installed in limited spatial dimension, on the one hand, 360 ° of luminescences of LED light source 300, improve the utilization rate of light source, on the other hand, the Rational structure design of all parts, preferably resolve the heat dissipation problem of LED light source 300, extend the service life of light source.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (6)
1. an automobile LED headlamp, is characterized in that, comprising:
Light source fixing frame, in rectangular column structure, described light source fixing frame comprises installation end in triangular prism shape and cylindrical stiff end, and the cross section of described installation end is equilateral triangle, described installation end has three installed surfaces, and the cross section of described stiff end is circular;
Aluminium base, the quantity of described aluminium base is three, and three described aluminium bases are located on three described installed surfaces of described installation end respectively, and wherein two described aluminium bases are arranged away from described stiff end, and a described aluminium base is arranged near described stiff end;
LED light source, described aluminium base is provided with described LED light source;
Radiator, described radiator has radiating fin, described radiator comprises link and radiating end, the cross sectional dimensions of described link is less than the cross sectional dimensions of described radiating end, and by described link to described radiating end rounding off, described link offers installing hole, described radiating end offers accepting groove, described installing hole and described accepting groove mutually through, the described stiff end of described light source fixing frame is connected with the described installing hole interference fit of described radiator;
Radiator fan, described radiator fan is contained in the described accepting groove of described radiator;
Dust cover, described dust cover fits in the described radiating end of described radiator, and with the edge conjunction of described accepting groove;
Stator, described stator is socketed on the described stiff end of described light source fixing frame;
Protective cover, described protective cover is connected with the end face of the described installation end of described light source fixing frame.
2. automobile LED headlamp according to claim 1, is characterized in that, described automobile LED headlamp also comprises hygrosensor, and described hygrosensor is located on described aluminium base.
3. automobile LED headlamp according to claim 2, is characterized in that, described automobile LED headlamp also comprises control circuit, and described control circuit is electrically connected with described hygrosensor, three described aluminium bases, described radiator fans respectively.
4. automobile LED headlamp according to claim 3, is characterized in that, described automobile LED headlamp also comprises vehicle power, and described vehicle power is electrically connected with described control circuit.
5. automobile LED headlamp according to claim 1, is characterized in that, described dust cover offers multiple through hole, and multiple described through hole is uniformly distributed.
6. automobile LED headlamp according to claim 1, is characterized in that, described radiator fan is turbotype structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576032.1U CN204268291U (en) | 2014-09-30 | 2014-09-30 | Automobile LED headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576032.1U CN204268291U (en) | 2014-09-30 | 2014-09-30 | Automobile LED headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204268291U true CN204268291U (en) | 2015-04-15 |
Family
ID=52803155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420576032.1U Expired - Fee Related CN204268291U (en) | 2014-09-30 | 2014-09-30 | Automobile LED headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204268291U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2017012543A1 (en) * | 2015-07-22 | 2017-01-26 | 浙江嘉熙光电设备制造有限公司 | Automobile headlight with phase-change-inhibiting sheet radiator |
| CN107370009A (en) * | 2017-07-20 | 2017-11-21 | 成都聚芯光科通信设备有限责任公司 | Radiating efficiency can be improved is closely assembled optical fiber cooling mechanism |
| WO2018000694A1 (en) * | 2016-06-30 | 2018-01-04 | 深圳市威德亮实业有限公司 | Automobile headlight |
| CN108006587A (en) * | 2017-11-21 | 2018-05-08 | 浙江邝记汽车零部件有限公司 | A kind of lamp for automobile |
-
2014
- 2014-09-30 CN CN201420576032.1U patent/CN204268291U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2017012543A1 (en) * | 2015-07-22 | 2017-01-26 | 浙江嘉熙光电设备制造有限公司 | Automobile headlight with phase-change-inhibiting sheet radiator |
| WO2018000694A1 (en) * | 2016-06-30 | 2018-01-04 | 深圳市威德亮实业有限公司 | Automobile headlight |
| CN107370009A (en) * | 2017-07-20 | 2017-11-21 | 成都聚芯光科通信设备有限责任公司 | Radiating efficiency can be improved is closely assembled optical fiber cooling mechanism |
| CN108006587A (en) * | 2017-11-21 | 2018-05-08 | 浙江邝记汽车零部件有限公司 | A kind of lamp for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20160930 |