CN209054506U - A kind of LED car lamp - Google Patents
A kind of LED car lamp Download PDFInfo
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- CN209054506U CN209054506U CN201920053834.7U CN201920053834U CN209054506U CN 209054506 U CN209054506 U CN 209054506U CN 201920053834 U CN201920053834 U CN 201920053834U CN 209054506 U CN209054506 U CN 209054506U
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- light source
- rotary blade
- heat
- shaft
- mounting base
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Abstract
The utility model automotive lighting field, especially a kind of LED car lamp, including the lamp body with fixed light source portion and movable radiating part, the fixed light source portion includes heat-conducting plate, the LED light source of the circuit board being attached on heat-conducting plate and installation on circuit boards, and the activity radiating part includes mounting base, rotary blade and shaft；One end fixation of the heat-conducting plate is embedded in mounting base, and the mounting base is movably connected in rotary blade, and the shaft is fixedly connected with rotary blade；Wherein, the outside of rotary blade is equipped with multiple groups blade pair, there are slit between blade pair described in every group, is equipped with cooling fin on the slit.The radiator structure of the utility model is simple and can be rotated, and conductive structure is reasonable, improves the air flow property of heat sink area, further promotes the radiating efficiency of car light.
Description
Technical field
The utility model automotive lighting field, especially a kind of LED car lamp.
Background technique
In recent years, since LED technology graduallys mature, LED light source is widely used in vehicle light illumination field, and LED car lamp has bright
The advantage that degree is high, light efficiency is high and energy consumption is low, but the requirement of vehicle light illumination is adapted to, it needs to make using the biggish LED of power
For light source, therefore LED car lamp work can generate huge heat.
LED car lamp on the market often discharges heat with radiator fan combination radiating fin, but the radiator fan service life is shorter.
As an improvement some car lights use flexible radiating component, by extending the contact area of radiator and air, improves and dissipate
The thermal efficiency, and flexible radiating component can carry out deformation according to different installation spaces, adapts to different installation environments, but this
Kind radiator structure is easy to block air flowing after there is flexible radiating component bending.
Utility model content
The purpose of the utility model is to overcome the defects of two kinds of mainstream radiator structures of existing LED car lamp, and make and changing
Into.
In order to achieve the above object, it includes having fixed light source portion and activity heat dissipation that the utility model, which provides a kind of LED car lamp,
The lamp body in portion, in which:
Fixed light source portion includes heat-conducting plate and light source assembly, and movable radiating part includes the installation for being connected and fixed light source portion
Seat, the rotary blade by movable rotation and the shaft for external rotational structure；One end fixation of heat-conducting plate is embedded in
In mounting base, mounting base is movably connected in rotary blade, and shaft is fixedly connected with rotary blade；Wherein, rotary blade is outer
Side is equipped with multiple groups blade pair, and there are the slit for installing cooling fin, the heat-conducting plates, installation between blade pair described in every group
Seat, rotary blade and cooling fin are the good conductor of heat.
Preferably, light source assembly includes circuit board and LED light source, the circuit board is attached on heat-conducting plate, the LED
Light source is installed on circuit boards.
Further, fixed light source portion further includes lamp housing and annular buckle；It is on the outside of the lamp housing package assist side and solid
It is scheduled in mounting base, the light hole for adapting to LED light source is offered on lamp housing, the annular buckle is movably arranged on lamp housing and peace
On the junction for filling seat.
Further, the side of light hole is equipped with the concave mirror for switching distance-light.
Preferably, the surface of cooling fin offers multiple groups spherical shape concaveconvex structure and several heat dissipations being spaced apart are logical
Hole.
Preferably, movable radiating part further includes the impeller protecting cover being set on rotary blade, impeller protecting cover includes bottom
The side being adapted to blade to quantity with several groups, the bottom are provided with the through-hole passed through for shaft, between every group of side there are
Embedded groove, side inside are equipped with the interior double wedge for fixing inlay card rotary blade.
Further, shaft attachment base is equipped between shaft and impeller protecting cover, one end of shaft attachment base, which is fixedly connected, to be turned
The other end of axis, shaft attachment base is riveted on impeller protecting cover along through-hole.
Preferably, the inside of rotary blade is equipped with the shoe cream room for storing lubricating oil.
Preferably, the material of cooling fin is flexible material.
The utility model has the beneficial effects that radiator structure is simple and can be rotated, conductive structure is reasonable, improves heat sink area
Air flow property, further promoted car light radiating efficiency.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the utility model.
Fig. 2: the explosive view of the utility model.
Fig. 3: the structural schematic diagram of mounting base and rotary blade.
Fig. 4: the cross-sectional view of mounting base and rotary blade.
Fig. 5: the structural schematic diagram of lamp housing.
Fig. 6: the structural schematic diagram of impeller protective case.
Fig. 7: another structural schematic diagram of impeller protective case.
Fig. 8: the floor map of cooling fin.
Specific embodiment
To be more clear the objectives, technical solutions, and advantages of the embodiments of the present invention, below in conjunction with embodiment and
Attached drawing, the utility model will be further described.
The utility model provides a kind of LED car lamp.
It please refers to shown in Fig. 1-2, is one preferred embodiment LED car lamp of the utility model, including with fixed light source portion 100
With the lamp body of movable radiating part 200.The fixed light source portion 100 includes heat-conducting plate 110 and light source assembly, and the activity dissipates
Hot portion 200 includes mounting base 210, rotary blade 220 and shaft 230, wherein mounting base 210 is for being connected and fixed light source portion
100, rotary blade 220 is radiated by moving rotary, and shaft 230 is used for external rotational structure.Circuit board 120 and heat-conducting plate
Heat-conducting silicone grease is coated between 110, the substrate material of preferred circuit plate 120 is aluminum metal material, and the material of preferably heat-conducting plate 110 is
Red copper, heat-conducting plate 110 are embedded in mounting base 210 far from one end fixation of LED light source 130, and mounting base 210 is arranged in pivoting leaf
In wheel 220, rotary blade 220 can rotate in mounting base 210, and the shaft 230 plays transmission effect, shaft 230 and pivoting leaf
Wheel 220 is fixedly connected.The outside of rotary blade 220 is equipped with multiple groups blade to 231, and blade described in every group is to staying between 231
There is slit 232, cooling fin 240 is installed on slit 232.
In the technical solution of the utility model, the fixed inlay card installation in fixed light source portion 100, the luminous generation of LED light source 130
Heat transfer direction is LED light source 130, circuit board 120, heat-conducting plate 110, mounting base 210, rotary blade 220 and cooling fin
240.Unlike the prior art, mounting base 210 is flexibly connected with rotary blade 220, the external shaft 230 of rotary blade 220,
At work, the other end connecting steering mechanism of shaft 230 accelerates cooling fin to drive 220 slow rotation of rotary blade
Heat on 240 is wandering, to optimize the heat dissipation effect of lamp body.
Referring to shown in Fig. 1-2 and Fig. 5, in order to optimize light-out effect, in the basis of above-described embodiment, light source
Component includes the circuit board 120 being attached on heat-conducting plate 110 and the LED light source 130 being mounted on circuit board 120；Fixed light
Source portion 100 further includes having lamp housing 140 and annular buckle 150, wherein lamp housing 140 is for protecting internal circuit board 120 and LED light
Source 120, annular buckle 150 is for fixing assembling fixed light source portion 100 and provides the effect of fine position lamp body.The lamp housing 140
120 outside of package assist side is simultaneously fixed in mounting base 210, and the light out for adapting to LED light source 120 is offered on lamp housing 140
Hole 141, the annular buckle 150 are movably arranged on the junction of lamp housing 140 and mounting base 210, lamp body after the assembly is completed, ring
Shape buckle 150 is fixedly mounted, and can require fine tuning lamp body position and light-emitting angle according to light-out effect.In the present embodiment, light out
The side in hole is additionally provided with concave mirror 142, for switching distance-light；When specifically used, the reflector of lamp body cooperation customization is used,
The some light of LED light source 120 is reflected on reflector by the concave mirror 142 positioned at 141 side of light hole, remote when needing to switch
When dipped beam, lamp body is finely tuned, on the different location that the light reflected from concave mirror 142 is got to reflector, thus real
Existing distance-light switching.
Referring to shown in Fig. 8, in order to improve heat dissipation effect, in the present embodiment, the surface of cooling fin 240 offers more
The spherical concaveconvex structure 241 of group and several thermal vias being spaced apart 242.Specifically, the spherical concaveconvex structure 241 increases
The contact area of big cooling fin 240 and air, the thermal vias 242 is for promoting the air of heat dissipation region to flow.
Referring to shown in Fig. 1-2 and Fig. 6-7, in the present embodiment, rotary blade 220 is equipped with impeller protecting cover 250,
The impeller protecting cover 250 includes bottom 251 and the side 252 that several groups are adapted to 231 quantity with blade, and the bottom 251 is opened
There is a through-hole 253 passed through for shaft 230, there are embedded groove 254 between every group of side 252, is equipped on the inside of side 252 for fixing
The interior double wedge 255 of inlay card rotary blade 220.Further, shaft attachment base is equipped between shaft 230 and impeller protecting cover 250
260, one end of shaft attachment base 260 is fixedly connected with shaft 230, and the other end of shaft attachment base 260 is riveted on leaf along through-hole 253
It takes turns on protecting cover 250.Specifically, for impeller protecting cover 250 for protecting rotary blade 220, shaft attachment base 260 is riveted on impeller protecting cover
Precision can be effectively improved on 250.
Referring to shown in Fig. 3-4, the inside of rotary blade 220 is equipped with the shoe cream room 221 full of lubricating oil.Specifically
The middle part on ground, rotary blade 220 is equipped with single-ended open cavity, and mounting base 210 is mounted on rotary blade along the open ports of cavity
In 220, the remaining space of cavity forms the shoe cream room 221 for being full of lubricating oil, generates phase in rotary blade 220 and mounting base 210
When to rotation, lubricating oil enters the contact position of rotary blade 220 Yu mounting base 210 with rotational action, reduce rotary blade 220 and
Coefficient of friction between mounting base 210, to reduce the heat generated between rotary blade 220 and mounting base 210.
The material of cooling fin 240 can be flexible material as a preferred technical solution,.Flexible material has stress and deformation
Afterwards, the irreplaceable property after ineffective power, the producer can according to demand implement to a certain degree flexible cooling fin
Deformation or adjustment dissipate the direction of flexible backing (attached drawing do not show the structure carried out after deformation process to flexible cooling fin, attached drawing
The cooling fin installation direction showed is not unique), it can further improve the contact area of cooling fin 240 Yu air, can also save
Installation space is saved, the suitability of lamp body is improved.
In practical applications, 100 location and installation of fixed light source portion, shaft 230 connect external rotating mechanism, drive shaft
230, rotary blade 220 and cooling fin 240 rotate, and the luminous heat of LED light source 130 is as heat-conducting plate 110 is finally by rotating
Cooling fin 240 be discharged；In this process, it is contemplated that the CONTACT WITH FRICTION between mounting base 210 and rotary blade 220 can generate
Certain heat, therefore the velocity of rotation of shaft 230 cannot be too fast, after many tests, the velocity of rotation of shaft 230 is per minute
60 when going between 100 turns per minute, and the heat dissipation effect of lamp body is optimal.
In conclusion the LED car lamp of the utility model overcomes the brought air flow effect difference of flexible radiator structure
Defect, the heat emission fan for also overcoming heat emission fan cooperation heat radiation fin structure are easy the defect of heat damage, have air circulation
It gets well, the advantage that good heat dissipation effect and bulk life time are high, there is remarkable progress.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, although referring to before
Embodiment is stated the utility model is described in detail, it for those skilled in the art, still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features.It is all this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of LED car lamp, including the lamp body with fixed light source portion and movable radiating part, it is characterised in that: the fixed light
Source portion includes heat-conducting plate and light source assembly, and the activity radiating part includes for being connected and fixed the mounting base in light source portion, by can
The rotary blade of moving rotary and shaft for external rotational structure；One end fixation of the heat-conducting plate is embedded in mounting base
Interior, the mounting base is movably connected in rotary blade, and the shaft is fixedly connected with rotary blade；Wherein, rotary blade
Outside is equipped with multiple groups blade pair, and there are the slit for installing cooling fin, the heat-conducting plates, peace between blade pair described in every group
Dress seat, rotary blade and cooling fin are the good conductor of heat.
2. a kind of LED car lamp according to claim 1, it is characterised in that: the light source assembly includes circuit board and LED light
Source, the circuit board are attached on heat-conducting plate, and the LED light source installation is on circuit boards.
3. a kind of LED car lamp according to claim 2, it is characterised in that: the fixed light source portion further includes lamp housing and ring
Shape buckle；It on the outside of the lamp housing package assist side and is fixed in mounting base, is offered on lamp housing and adapt to going out for LED light source
Unthreaded hole, the annular buckle are movably arranged on the junction of lamp housing and mounting base.
4. a kind of LED car lamp according to claim 3, it is characterised in that: the side of the light hole is equipped with for switching
The concave mirror of distance-light.
5. a kind of LED car lamp according to claim 1, it is characterised in that: the surface of the cooling fin offers multiple groups ball
Shape concaveconvex structure and several thermal vias being spaced apart.
6. a kind of LED car lamp according to claim 1, it is characterised in that: the activity radiating part further includes being set in rotation
Impeller protecting cover on rotary impeller, impeller protecting cover include the side that bottom and several groups are adapted to quantity with blade, and the bottom is opened
There is a through-hole passed through for shaft, there are embedded groove between every group of side, is equipped on the inside of side for fixing inlay card rotary blade
Interior double wedge.
7. a kind of LED car lamp according to claim 6, it is characterised in that: be equipped with and turn between the shaft and impeller protecting cover
Axis connection seat, one end of shaft attachment base are fixedly connected with shaft, and the other end of shaft attachment base is riveted on impeller protecting cover along through-hole
On.
8. a kind of LED car lamp according to claim 1, it is characterised in that: the inside of the rotary blade is equipped with for depositing
Store up the shoe cream room of lubricating oil.
9. a kind of LED car lamp according to claim 1, it is characterised in that: the material of the cooling fin is flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053834.7U CN209054506U (en) | 2019-01-12 | 2019-01-12 | A kind of LED car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053834.7U CN209054506U (en) | 2019-01-12 | 2019-01-12 | A kind of LED car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209054506U true CN209054506U (en) | 2019-07-02 |
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ID=67055601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920053834.7U Active CN209054506U (en) | 2019-01-12 | 2019-01-12 | A kind of LED car lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209054506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539179A (en) * | 2019-01-12 | 2019-03-29 | 佛山市新中颖光电科技有限公司 | A kind of LED car lamp |
-
2019
- 2019-01-12 CN CN201920053834.7U patent/CN209054506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539179A (en) * | 2019-01-12 | 2019-03-29 | 佛山市新中颖光电科技有限公司 | A kind of LED car lamp |
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