CN208090402U - A kind of LED grille lamp - Google Patents
A kind of LED grille lamp Download PDFInfo
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- CN208090402U CN208090402U CN201721265683.9U CN201721265683U CN208090402U CN 208090402 U CN208090402 U CN 208090402U CN 201721265683 U CN201721265683 U CN 201721265683U CN 208090402 U CN208090402 U CN 208090402U
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- led
- heat radiation
- radiation body
- heat
- light source
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Abstract
The utility model discloses a kind of LED grille lamp, including mounting frame and lamp main body, lamp main body includes heat radiation body and the LED light source in the middle part of heat radiation body internal face；Heat radiation body is embedded in mounting frame；The outside wall surface of heat radiation body is equipped with several radiating fins corresponding with LED light source；The trapezoidal distribution of radiating fin；LED light source includes chip substrate and LED chip；Chip substrate includes the radiating base layer set gradually from the bottom to top, insulating layer and circuit layer, and LED chip is packaged on the surface of circuit layer；It is equipped with several heat dissipation buried via holes in insulating layer, insulating heat-conduction material is filled in heat dissipation buried via hole；The buried via hole that radiates is set to the lower section of LED chip；Lens mounting base is additionally provided on heat radiation body internal face, lens mounting base is equipped with lens mounting hole corresponding with LED chip, and lens mounting hole is equipped with lens, and the open end of heat radiation body is equipped with lampshade.
Description
Technical field
The utility model is related to LED lamp technical field more particularly to a kind of LED grille lamps.
Background technology
LED grille lamp is a kind of light, since it is with excellent performance, LED grids are widely used in wine
, dining room, the occasions such as sports ground.
Light source of the LED lamp panel as LED grille lamp, performance directly influence the performance of LED grille lamp.Traditional LED
Lamp plate, structure includes chip substrate and COB is packaged in the LED chip on chip substrate.Chip substrate is as LED chip
Carrier, heat dissipation effect directly affect brightness and the working life of LED chip.For single led chip, if heat collection
In cannot effectively shed in small-sized chip, then the temperature of chip can be caused to increase, cause thermal stress it is non-
Even distribution, chip light emitting efficiency and fluorescent powder lasing efficiency decline；Luminous efficiency is when the PN junction temperature of LED light is 25 DEG C
100%, about 96% at 45 DEG C, about 92% at 65 DEG C, and once more than 75 DEG C, the luminous efficiency rapid decrease of LED.And
LED grille lamp on the market, the chip substrate of LED lamp panel mostly uses greatly insulating materials and is made, and the heat of these insulating materials
It hinders larger, causes the heat dissipation effect of LED chip poor, the working performance of LED chip and service life are affected.
Therefore, it is urgent to provide a kind of LED grille lamps, so as to solve the deficiencies in the prior art.
Utility model content
The utility model aim is, for a kind of LED grille lamp that the prior art is insufficient and provides.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of LED grille lamp, including mounting frame and lamp main body, the lamp main body include heat radiation body and are set to
LED light source in the middle part of the heat radiation body internal face；The heat radiation body is installed in the mounting frame；The heat radiation body
Outside wall surface be equipped with several radiating fins corresponding with the LED light source；The trapezoidal distribution of radiating fin；It is described
LED light source includes chip substrate and LED chip；The chip substrate includes the radiating base layer set gradually from the bottom to top, insulation
Layer and circuit layer, the LED chip are packaged on the surface of the circuit layer；Several heat dissipations are equipped in the insulating layer to bury
Hole, the heat dissipation buried via hole is interior to be filled with insulating heat-conduction material；The heat dissipation buried via hole is set to the lower section of the LED chip；It is described to dissipate
Lens mounting base is additionally provided in thermolamp body on wall surface, the lens mounting base is equipped with lens corresponding with the LED chip
Mounting hole, the lens mounting hole are equipped with lens, and the open end of the heat radiation body is equipped with lampshade.
More preferably, the radiating fin is arranged along straight uniform；Spacing between radiating fin described in adjacent two panels is
2mm~4mm.
More preferably, the lampshade is equipped with taper corresponding with lens concave surface.
More preferably, the both ends of the mounting frame are equipped with torsional spring.
More preferably, the insulating heat-conduction material is aluminium nitride.
More preferably, the radiating base layer is aluminum base layer.
More preferably, the insulating layer is resin material insulating layer.
The beneficial effects of the utility model are：
1, the LED light source of the LED grille lamp is set in the middle part of heat radiation body internal face, the heat that LED light source generates when working
It is concentrated mainly on the middle part of heat radiation body, therefore, if corresponding with LED light source by being arranged in the outside wall surface of heat radiation body
Dry radiating fin；The trapezoidal distribution of radiating fin is arranged in if the height for being arranged in the dry plate radiating fin at middle part is equal
If the height of the dry plate radiating fin of both sides is successively decreased outside certainly by inner, setting in this way, heat when LED light source can be made to work
Measure rapid cooling；
2, the LED light source of the LED grille lamp includes chip substrate and LED chip, and chip substrate includes from the bottom to top successively
Radiating base layer, insulating layer and the circuit layer of setting, LED chip are packaged on the surface of the circuit layer, are equipped in insulating layer
Several heat dissipation buried via holes, heat dissipation buried via hole is interior to be filled with insulating heat-conduction material, and heat when LED chip works passes through buried via hole conduction of radiating
To radiating base layer, accelerate rate of heat dispation.
Description of the drawings
Fig. 1 is a kind of stereogram of LED grille lamp of the utility model；
Fig. 2 is a kind of front view of LED grille lamp of the utility model；
Fig. 3 is a kind of explosive view of LED grille lamp of the utility model；
Fig. 4 is the vertical view of lamp main body in the utility model；
Fig. 5 is the sectional view of lamp main body in the utility model；
Fig. 6 is the structural schematic diagram of LED light source in the utility model；
Fig. 7 is the sectional view of LED light source in the utility model.
Specific implementation mode
The utility model is further described with reference to embodiment, this is the preferred embodiment of the utility model.
As shown in figs. 1-7, a kind of LED grille lamp, including mounting frame 1 and lamp main body 2, the lamp main body 2 include
Heat radiation body 21 and the LED light source 22 in the middle part of 21 internal face of the heat radiation body；The heat radiation body 21 is installed on institute
It states in mounting frame 1.The outside wall surface of the heat radiation body 21 is equipped with several radiating fins corresponding with the LED light source 22
211；211 trapezoidal distribution of the radiating fin, if the height for being arranged in radiating fin 211 described in the dry plate at middle part is equal, row
If the height for being listed in radiating fin 211 described in the dry plate of both sides is successively decreased outside certainly by inner.The LED light source 22 includes chip substrate
221 and LED chips 222.The chip substrate 221 includes the radiating base layer 2211 set gradually from the bottom to top, insulating layer
2212 and circuit layer 2213, the LED chip 222 be packaged on the surface of the circuit layer 2213, radiating base layer 2211 rises
To the effect for accelerating rate of heat dispation.Insulating layer 2212 plays the role of insulation.Circuit layer 2213 is connected with power supply, is LED chip
222 power supplies.It is equipped with several heat dissipation buried via holes 2214 in the insulating layer 2212, insulating heat-conductive is filled in the heat dissipation buried via hole 2214
Material；The heat dissipation buried via hole 2214 is set to the lower section of the LED chip 222；It is additionally provided on 21 internal face of the heat radiation body
Mirror mounting base 23, the lens mounting base 23 is equipped with lens mounting hole 231 corresponding with the LED chip 222, described
Mirror mounting hole 231 is equipped with lens 24, and the open end of the heat radiation body 21 is equipped with lampshade 25.
The heat that the LED light source 22 of the LED grille lamp generates when working is concentrated mainly on the middle part of heat radiation body 21, because
This, by the way that several radiating fins corresponding with LED light source 22 211 are arranged in the outside wall surface of heat radiation body 21；The heat dissipation
The trapezoidal distribution on the heat radiation body 21 of fin 211, if the height for being arranged in the dry plate radiating fin 211 at middle part is equal,
If the height for being arranged in the dry plate radiating fin 211 of both sides is successively decreased outside certainly by inner, since the length of radiating fin 211 is consistent, row
If being listed in the heat dissipation area bigger of the dry plate radiating fin 211 at middle part, therefore, when LED chip works, it is gathered in heat radiation body 21
The heat at middle part can pass through 211 rapid cooling of radiating fin in the middle part of being arranged in, good heat dissipation effect.It is arranged in the several of both sides
The height of piece radiating fin 211, from outside successively decreasing, is played the role of saving material by inner.
Referring to Fig. 4, the radiating fin 211 is arranged along straight uniform.Radiating fin 211 described in adjacent two panels
Spacing is too close, and can interact heat dissipation effect；The spacing of radiating fin 211 described in adjacent two panels is too far, the heat radiation body
The quantity of the radiating fin 211 on 21 is few, and total heat dissipation area is small, and heat dissipation effect is poor.Therefore, it radiates described in adjacent two panels
Spacing between fin 211 is 2mm~4mm, good heat dissipation effect.
Fig. 2 and Fig. 3 are please referred to, the lampshade 25 is equipped with taper corresponding with the lens 24 concave surface 251.Taper
The effect of concave surface 251 is that LED light source 22 is made to hide deeply, reduces glare.
Referring to Fig. 1, the both ends of the mounting frame 1 are equipped with torsional spring 11.Torsional spring 11 is for mounting frame 1 to be fixed on
On ceiling.
The insulating heat-conduction material is aluminium nitride, and the thermal conductivity of aluminium nitride is good, and coefficient of thermal expansion is small, is good heat-resisting punching
Hit material.Aluminium nitride or electrical insulator, dielectric properties are good, are usually used in making electric elements.The radiating base layer 2211 is
Aluminum base layer, aluminum base layer have many advantages, such as that light weight, thermal coefficient are high, cheap and easy to process.With traditional FR-4 substrates
Than aluminum base layer can minimize thermal resistance, and aluminum base layer is made to have fabulous heat-conductive characteristic；Compared with thick film ceramic circuit,
Its mechanical performance is again extremely excellent.The insulating layer 2212 is resin material insulating layer.
The beneficial effects of the utility model are：
1, the LED light source of the LED grille lamp is set in the middle part of heat radiation body internal face, the heat that LED light source generates when working
It is concentrated mainly on the middle part of heat radiation body, therefore, if corresponding with LED light source by being arranged in the outside wall surface of heat radiation body
Dry radiating fin；The trapezoidal distribution of radiating fin is arranged in if the height for being arranged in the dry plate radiating fin at middle part is equal
If the height of the dry plate radiating fin of both sides is successively decreased outside certainly by inner, setting in this way, heat when LED light source can be made to work
Measure rapid cooling；
2, the LED light source of the LED grille lamp includes chip substrate and LED chip, and chip substrate includes from the bottom to top successively
Radiating base layer, insulating layer and the circuit layer of setting, LED chip are packaged on the surface of the circuit layer, are equipped in insulating layer
Several heat dissipation buried via holes, heat dissipation buried via hole is interior to be filled with insulating heat-conduction material, and heat when LED chip works is passed by the buried via hole that radiates
It is directed at radiating base layer, accelerates rate of heat dispation.
The utility model is not limited to the above embodiment, it is all using structure similar with the utility model and its method come real
All modes of existing the utility model aim, both are within the protection scope of the present invention.
Claims (7)
1. a kind of LED grille lamp, including mounting frame and lamp main body, it is characterised in that：The lamp main body includes thermal louver
Body and the LED light source in the middle part of the heat radiation body internal face；The heat radiation body is installed in the mounting frame；Institute
The outside wall surface for stating heat radiation body is equipped with several radiating fins corresponding with the LED light source；The radiating fin is trapezoidal
Distribution；The LED light source includes chip substrate and LED chip；The chip substrate includes the heat dissipation set gradually from the bottom to top
Base, insulating layer and circuit layer, the LED chip are packaged on the surface of the circuit layer；If being equipped in the insulating layer
Dry heat dissipation buried via hole, the heat dissipation buried via hole is interior to be filled with insulating heat-conduction material；The heat dissipation buried via hole is set under the LED chip
Side；Lens mounting base is additionally provided on the heat radiation body internal face, the lens mounting base is equipped with opposite with the LED chip
The lens mounting hole answered, the lens mounting hole are equipped with lens, and the open end of the heat radiation body is equipped with lampshade.
2. LED grille lamp according to claim 1, it is characterised in that：The radiating fin is arranged along straight uniform；It is adjacent
Two panels described in spacing between radiating fin be 2mm~4mm.
3. LED grille lamp according to claim 1, it is characterised in that：The lampshade is equipped with corresponding with the lens
Taper concave surface.
4. LED grille lamp according to claim 1, it is characterised in that：The both ends of the mounting frame are equipped with torsional spring.
5. LED grille lamp according to claim 1, it is characterised in that：The insulating heat-conduction material is aluminium nitride.
6. LED grille lamp according to claim 1, it is characterised in that：The radiating base layer is aluminum base layer.
7. LED grille lamp according to claim 1, it is characterised in that：The insulating layer is resin material insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265683.9U CN208090402U (en) | 2017-09-28 | 2017-09-28 | A kind of LED grille lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265683.9U CN208090402U (en) | 2017-09-28 | 2017-09-28 | A kind of LED grille lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208090402U true CN208090402U (en) | 2018-11-13 |
Family
ID=64067634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721265683.9U Active CN208090402U (en) | 2017-09-28 | 2017-09-28 | A kind of LED grille lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208090402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410714A (en) * | 2019-08-27 | 2019-11-05 | 深圳市晟大光电有限公司 | A kind of high light efficiency LED grid downlight |
-
2017
- 2017-09-28 CN CN201721265683.9U patent/CN208090402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410714A (en) * | 2019-08-27 | 2019-11-05 | 深圳市晟大光电有限公司 | A kind of high light efficiency LED grid downlight |
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