CN208936080U - A kind of cooling LED auto lamp - Google Patents
A kind of cooling LED auto lamp Download PDFInfo
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- CN208936080U CN208936080U CN201821707658.6U CN201821707658U CN208936080U CN 208936080 U CN208936080 U CN 208936080U CN 201821707658 U CN201821707658 U CN 201821707658U CN 208936080 U CN208936080 U CN 208936080U
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- thermally conductive
- shell
- circuit board
- drive circuit
- conductive sheet
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Abstract
The utility model specifically discloses a kind of cooling LED auto lamps, which is characterized in that it includes power supply line, shell, sealing ring, positioning snap ring, LED light, backboard, preposition cavity and radiator；Described shell one end is equipped with preposition cavity, and the other end is equipped with backboard；The enclosure interior is fixed with drive circuit board close to preposition cavity one end；Described drive circuit board one end is electrically connected with external power cord；The drive circuit board is electrically connected with lamp holder close to preposition cavity side；The LED light is electrically connected with lamp holder；The LED light is placed in preposition cavity；The hull outside is fixed with positioning snap ring；The hull outside is equipped with sealing ring；The sealing ring is to be flexibly connected with shell；The backboard is equipped with first through hole.The utility model good heat dissipation effect is able to extend the service life of auto lamp.
Description
Technical field
The utility model relates to technical fields of lighting fixtures, and in particular to a kind of cooling LED auto lamp.
Background technique
Auto lamp can all generate certain heat in use, and the heat in car light can not distribute in time, Jiu Huiying
The use quality of car light, especially LED light are rung, its service life can be seriously affected by being chronically under high temperature, be brought to the driving in later period
It is inconvenient.
Well known auto lamp all includes pedestal, lampshade and lamp body, although structure is simple, radiating rate is slow, is dropped indirectly
The low service life of car light.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of LED automobile lamps of good heat dissipation effect:
A kind of cooling LED auto lamp, which is characterized in that it includes power supply line, shell, sealing ring, positioning snap ring, LED light,
Backboard, preposition cavity and radiator；Described shell one end is equipped with preposition cavity, and the other end is equipped with backboard；It is described
Enclosure interior is fixed with drive circuit board close to preposition cavity one end；Described drive circuit board one end is electrically connected with external power cord
It connects；The drive circuit board is electrically connected with lamp holder close to preposition cavity side；The LED light is electrically connected with lamp holder；The LED light
It is placed in preposition cavity；The hull outside is fixed with positioning snap ring；The hull outside is equipped with sealing ring；The sealing ring
It is to be flexibly connected with shell；The backboard is equipped with first through hole.
Preferably, the radiator includes thermally conductive Circular Plate, fan and thermally conductive sheet；The enclosure interior be equipped with 2 ~
4 layers of thermally conductive Circular Plate；The thermally conductive Circular Plate is vertically fixedly connected on drive circuit board far from preposition cavity one end；It is described most interior
Fan is equipped among the thermally conductive Circular Plate in side；The fan is electrically connected with drive circuit board；The thermally conductive sheet is fixed in shell
Portion is close to backboard side.
Preferably, the thermally conductive Circular Plate is equipped with 3 ~ 5 fourth holes close to drive circuit board side.
It is further preferred that the thermally conductive sheet is circle；The enclosure interior is fixed with 10 ~ 20 layers of thermally conductive sheet；Institute
Every layer of thermally conductive sheet is stated equipped with 20 ~ 40 the second through-holes.
Preferably, the radiator further includes radiating fin and insulating barrier；The radiating fin is set to outside shell
Portion is close to backboard side；The insulating barrier is placed between thermally conductive Circular Plate and thermally conductive sheet；The insulating barrier and shell
It is fixedly connected.
Preferably, the radiating fin is equidistantly fixedly connected on shell；The shell is equipped with 5 ~ 8 layers of heat radiating fin
Piece；The radiating fin is made of the strong aluminum metallic material of thermal conductivity.
Preferably, the insulating barrier is circle；It is equipped with and the thermally conductive Circular Plate phase of most inner side in the middle part of the insulating barrier
Matched through-hole.
Preferably, the shell is equipped with 3 ~ 5 third through-holes far from preposition cavity one end in positioning snap ring；The third
Through-hole aligns with fourth hole；The external power cord is electrically connected by one of third through-hole with drive circuit board.
Preferably, the thermally conductive sheet is graphite heat-conducting fin or copper thermally conductive sheet.
The utility model has the advantages that a kind of cooling LED auto lamp described in the utility model, positioning snap ring that hull outside is equipped with and
Sealing ring is conducive to auto lamp and is mounted on automobile；The thermally conductive Circular Plate is vertically fixedly connected on drive circuit board
On, the heat on drive circuit board can be guided in time；The fan that enclosure interior is equipped with can be quick by the heat of thermally conductive Circular Plate
Be transmitted on the thermally conductive sheet of tail portion；The thermally conductive sheet uses graphite or copper product, and good heat conduction effect, heat-transfer rate is fast；It is described
Radiating fin is fixed on shell lateral tail with stratiform, increases heat dissipation area, while using aluminum material better heat-radiation effect；Institute
The insulating barrier stated can the heat of isolation radiating fin transmitted toward stem, while internal heat disturbance can be prevented；The shell
Equipped with third through-hole, thermally conductive Circular Plate is equipped with fourth hole, is conducive to cool exterior air and inside in the state of fan rotation
Obvious convection current is formed, improves radiating efficiency, while also external power cord being facilitated to connect；The thermally conductive sheet and be equipped with backboard it is equal
Equipped with through-hole, it is more advantageous to distributing for heat.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of cooling LED auto lamp described in the utility model.
Fig. 2 is a kind of structural schematic diagram of cooling LED auto lamp described in the utility model.
Fig. 3 is a kind of structural schematic diagram of cooling LED auto lamp described in the utility model.
Fig. 4 is a kind of structural schematic diagram of cooling LED auto lamp described in the utility model.
Fig. 5 is a kind of schematic diagram of the thermally conductive Circular Plate of cooling LED auto lamp described in the utility model.
Fig. 6 is a kind of cooling LED auto lamp thermally conductive sheet schematic diagram described in the utility model.
In figure: 1 is power supply line；2 be shell；3 be sealing ring；4 be positioning snap ring；5 be LED light；6 be radiating fin；7 are
Backboard；8 be preposition cavity；9 be first through hole；10 be insulating barrier；11 be drive circuit board；12 be thermally conductive Circular Plate；
The thermally conductive Circular Plate of 121 outermosts；The 122 thermally conductive Circular Plates in middle part；The thermally conductive Circular Plate of 123 most inner sides；13 be lamp holder；14 be fan；
15 be thermally conductive sheet；16 be the second through-hole；17 be third through-hole；18 be fourth hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
A kind of cooling LED auto lamp comprising power supply line (1), shell (2), sealing ring (3), positioning snap ring (4), LED light
(5), backboard (7), preposition cavity (8) and radiator；Described shell (2) one end is equipped with preposition cavity (8), and the other end is set
There are backboard (7)；The shell (2) is internal to be fixed with drive circuit board (11) close to preposition cavity (8) one end；The drive
Dynamic circuit board (11) one end is electrically connected with external power cord (1)；The drive circuit board (11) is close to preposition cavity (8) side electricity
It is connected with lamp holder (13)；The LED light (5) is electrically connected with lamp holder (13)；The LED light (5) is placed in preposition cavity (8)；Institute
It states and is fixed with positioning snap ring (4) outside shell (2)；Sealing ring (3) are equipped with outside the shell (2)；The sealing ring (3) with
Shell (2) is to be flexibly connected；It is solid that the positioning snap ring (4) and sealing ring (3) being equipped on the outside of its shell (2) are conducive to auto lamp installation
Due on automobile；The backboard (7) is equipped with first through hole (9)；It the thermally conductive sheet and is equipped with equipped with backboard logical
Hole is more advantageous to distributing for heat.
Specifically, the radiator includes thermally conductive Circular Plate (12), fan (14) and thermally conductive sheet (15)；The shell
2 ~ 4 layers of thermally conductive Circular Plate (12) are equipped with inside body (2)；The thermally conductive Circular Plate (12) is vertically fixedly connected on drive circuit board
(11) far from preposition cavity (8) one end；The thermally conductive Circular Plate (12) can in time lead the heat on drive circuit board (11)
It walks；Fan (14) are equipped among the thermally conductive Circular Plate of most inner side (12)；The fan (14) can be by thermally conductive Circular Plate (12)
Heat is quickly transmitted on the thermally conductive sheet (15) of tail portion；The fan (14) is electrically connected with drive circuit board (11)；It is described to lead
It is internal close to backboard (7) side that backing (15) is fixed at shell (2).
Specifically, the thermally conductive Circular Plate (12) is equipped with 4 fourth holes (18) close to drive circuit board (11) side.
Specifically, the thermally conductive sheet (15) is circle；15 layers of thermally conductive sheet (15) are fixed with inside the shell (2)；
Every layer of thermally conductive sheet (15) is equipped with 25 the second through-holes (16).
Specifically, the radiator further includes radiating fin (6) and insulating barrier (10)；The radiating fin (6)
It is external close to backboard (7) side set on shell (2)；The insulating barrier (10) is placed in thermally conductive Circular Plate (12) and thermally conductive sheet
(15) between；The insulating barrier (10) is fixedly connected with shell (2)；The radiating fin (6) is equidistantly fixedly connected on
On shell (2)；The shell (2) is equipped with 6 layers of radiating fin (6)；The radiating fin (6) is the strong aluminum metal material of thermal conductivity
Material is made；The radiating fin (6) is fixed on shell (2) lateral tail with stratiform, increases heat dissipation area, while using aluminium
Expect better heat-radiation effect.
Specifically, the insulating barrier (10) is circle；It is equipped in the middle part of the insulating barrier (10) thermally conductive with most inner side
The through-hole that Circular Plate (123) matches；The insulating barrier (10) can isolation radiating fin (6) heat toward stem transmit,
Internal heat disturbance can be prevented simultaneously.
Specifically, the shell (2) is equipped with 4 third through-holes far from preposition cavity (8) one end in positioning snap ring (4)
(17)；The third through-hole (17) aligns with fourth hole (18)；The external power cord (1) is logical by one of third
Hole (17) is electrically connected with drive circuit board (11)；The third through-hole (17) and fourth hole (18) are conducive to turn in fan (14)
Cool exterior air and the internal obvious convection current of formation, improve radiating efficiency, while also facilitating external power cord (1) even in the state of dynamic
It connects.
Specifically, the thermally conductive sheet (15) is graphite heat-conducting fin or copper thermally conductive sheet；The thermally conductive sheet (15) uses
Graphite or copper product, good heat conduction effect, heat-transfer rate are fast.
Working principle: a kind of cooling LED auto lamp described in the utility model, in use, power supply line 1 connects external electrical
Source, LED light 5 and fan 14 are started to work, and heat is transmitted to thermally conductive Circular Plate 12 from drive circuit board 11, then from insulating barrier 10
The through-hole being equipped with is transmitted to thermally conductive sheet 15；The effect of the fan 14 is so that transmission speed is accelerated；The thermally conductive sheet 15 is by portion
Divide the radiating fin 6 outside heat transfer to shell 2, another part heat is transmitted to sky by the first through hole 9 of backboard 7
In gas.
Certainly, certain embodiment described above for only expressing the utility model, description is more detailed, but can not
Therefore it is interpreted as that a limitation on the scope of the patent of the present invention.Therefore, the protection scope of the utility model patent should be with appended
Subject to claim.
Claims (9)
1. a kind of cooling LED auto lamp, which is characterized in that it includes power supply line (1), shell (2), sealing ring (3), positioning snap ring
(4), LED light (5), backboard (7), preposition cavity (8) and radiator；Described shell (2) one end is equipped with preposition cavity
(8), the other end is equipped with backboard (7)；The shell (2) is internal to be fixed with driving circuit close to preposition cavity (8) one end
Plate (11)；Described drive circuit board (11) one end is electrically connected with external power cord (1)；The drive circuit board (11) is close to preposition
Cavity (8) side is electrically connected with lamp holder (13)；The LED light (5) is electrically connected with lamp holder (13)；The LED light (5) is placed in preposition
In cavity (8)；Positioning snap ring (4) are fixed with outside the shell (2)；Sealing ring (3) are equipped with outside the shell (2)；Institute
It is to be flexibly connected that sealing ring (3), which is stated, with shell (2)；The backboard (7) is equipped with first through hole (9).
2. a kind of cooling LED auto lamp according to claim 1, which is characterized in that the radiator includes thermally conductive
Circular Plate (12), fan (14) and thermally conductive sheet (15)；2 ~ 4 layers of thermally conductive Circular Plate (12) are equipped with inside the shell (2)；It is described
Thermally conductive Circular Plate (12) is vertically fixedly connected on drive circuit board (11) far from preposition cavity (8) one end；The most inner side is thermally conductive
Fan (14) are equipped among Circular Plate (123)；The fan (14) is electrically connected with drive circuit board (11)；The thermally conductive sheet (15)
It is internal close to backboard (7) side to be fixed at shell (2).
3. a kind of cooling LED auto lamp according to claim 2, which is characterized in that the thermally conductive Circular Plate (12) is leaned on
Nearly drive circuit board (11) side is equipped with 3 ~ 5 fourth holes (18).
4. a kind of cooling LED auto lamp according to claim 2, which is characterized in that the thermally conductive sheet (15) is circle；
10 ~ 20 layers of thermally conductive sheet (15) are fixed with inside the shell (2)；Every layer of thermally conductive sheet (15) is equipped with 20 ~ 40 second
Through-hole (16).
5. a kind of cooling LED auto lamp according to claim 1, which is characterized in that the radiator further includes dissipating
Hot fin (6) and insulating barrier (10)；It is external close to backboard (7) side that the radiating fin (6) is set to shell (2)；Institute
Insulating barrier (10) is stated to be placed between thermally conductive Circular Plate (12) and thermally conductive sheet (15)；The insulating barrier (10) and shell (2) are solid
Fixed connection.
6. a kind of cooling LED auto lamp according to claim 5, which is characterized in that the radiating fin (6) is equidistant
It is fixedly connected on shell (2)；The shell (2) is equipped with 5 ~ 8 layers of radiating fin (6)；The radiating fin (6) is thermal conductivity
Strong aluminum metallic material is made.
7. a kind of cooling LED auto lamp according to claim 5, which is characterized in that the insulating barrier (10) is circle
Shape；The through-hole to match with the thermally conductive Circular Plate of most inner side (123) is equipped in the middle part of the insulating barrier (10).
8. a kind of cooling LED auto lamp according to claim 1, which is characterized in that the shell (2) is in positioning snap ring
(4) 3 ~ 5 third through-holes (17) are equipped with far from preposition cavity (8) one end；The third through-hole (17) and fourth hole (18) phase
Alignment；The external power cord (1) is electrically connected by one of third through-hole (17) with drive circuit board (11).
9. a kind of cooling LED auto lamp according to claim 5, which is characterized in that the thermally conductive sheet (15) is graphite
Thermally conductive sheet or copper thermally conductive sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821707658.6U CN208936080U (en) | 2018-10-22 | 2018-10-22 | A kind of cooling LED auto lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821707658.6U CN208936080U (en) | 2018-10-22 | 2018-10-22 | A kind of cooling LED auto lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208936080U true CN208936080U (en) | 2019-06-04 |
Family
ID=66725407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821707658.6U Active CN208936080U (en) | 2018-10-22 | 2018-10-22 | A kind of cooling LED auto lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208936080U (en) |
-
2018
- 2018-10-22 CN CN201821707658.6U patent/CN208936080U/en active Active
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