CN207962130U - A kind of white LED light source based on fluorescence ceramics and nanometer grating - Google Patents
A kind of white LED light source based on fluorescence ceramics and nanometer grating Download PDFInfo
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- CN207962130U CN207962130U CN201820156774.7U CN201820156774U CN207962130U CN 207962130 U CN207962130 U CN 207962130U CN 201820156774 U CN201820156774 U CN 201820156774U CN 207962130 U CN207962130 U CN 207962130U
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- conductive sheet
- thermally conductive
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- light source
- thermal insulation
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Abstract
The utility model discloses a kind of white LED light source based on fluorescence ceramics and nanometer grating,Including LED base,The top surface of LED base is provided with thermal insulation layer,The center of thermal insulation layer is provided with connecting groove,The bottom surface of connecting groove is provided with conductive sheet,And the top of conductive sheet is fixedly connected with lower connection sheet by connecting spring,Lower connection sheet is arranged above LED chip,And the bottom end of LED chip is provided with connection sheet,The top surface of thermal insulation layer is left,Right both sides are both provided with sliding groove,Thermally conductive sheet is both provided with right over sliding groove,The bottom end of upper thermally conductive sheet is respectively connected with and the matched slide protrusion of sliding groove,There are two the top surface outer end connections of thermal insulation layer and the matched semi-circular piece of upper thermally conductive sheet,The top surface of upper thermally conductive sheet and semi-circular piece is both provided with arc link slot,The mode that arc link slot is connected through a screw thread is connected with light shield,The device can make the disassembly and installation of LED chip more convenient,It can be good at the heat dissipation problem of solving device simultaneously.
Description
Technical field
The utility model is related to LED light source technical field, specially a kind of white light based on fluorescence ceramics and nanometer grating
LED light source.
Background technology
LED light source is exactly the light source that light emitting diode (LED) is illuminator.Light emitting diode invention was in 60 years 20th century
In generation, in subsequent many decades, basic purposes is the indicator light as electronic equipments such as radio cassette players.This light bulb has efficiency
It the characteristics of height, long lifespan, can be used continuously 100,000 hours, be steeped than ordinary incandescent lamp 100 times long.Scientist predicts, in future 5
Year, this light bulb is likely to become the main product of next-generation illumination.
White light LEDs are one kind of LED light source, and two methods of white light LEDs generally use are formed, the first is to utilize " blue light
Technology " cooperatively forms white light with fluorescent powder；Second is a variety of monochromatic light mixed methods.Both methods all can have been generated successfully
White light parts.The urban traffic lights in China also just replace the traffic order indicator light of early stage with white light LEDs.It is contemplated that not
Long future, white light LEDs can enter family and replace existing headlamp surely.White light LEDs based on fluorescence ceramics and nanometer grating
Light source can obtain the polarized white light of high-quality, therefore have preferable development prospect.
The existing white LED light source based on fluorescence ceramics and nanometer grating is typically that LED chip is connected to LED base
On, and it is arranged light shield in the outside of LED chip, the inner surface of light shield coats fluorescence coating.
But existing white LED light source has the following defects：
(1) LED chip is typically welded with the connection type of LED base in existing white LED light source or conducting wire connects,
This mode can make the repair of LED chip and replace service life that is pretty troublesome, and being easy shortening device；
(2) mode of existing white LED light source heat dissipation usually connects thermally conductive sheet and aluminum made of copper in LED base
Cooling fin, carrys out the heat dissipation of realization device, but the fever source of white LED light source is LED base and LED chip two, this
Mode only can solve the fever of LED base, but be difficult the fever for solving LED chip so that the heat dissipation effect of device is not
It is good, influence the using effect of device.
Invention content
In order to overcome the shortcomings of prior art, the utility model provides a kind of based on fluorescence ceramics and nanometer grating
White LED light source, the device can make the disassembly and installation of LED chip more convenient, be conducive to replacement and the dimension of LED chip
It repaiies, meanwhile, it is capable to which the heat dissipation problem of solving device well, keeps the using effect of device more preferable, can effectively solve the problem that background skill
The problem of art proposes.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of white LED light source based on fluorescence ceramics and nanometer grating, including LED base, the top surface of the LED base
It is provided with thermal insulation layer, and the center of thermal insulation layer is provided with connecting groove, the bottom surface of the connecting groove is provided with conductive sheet, and
The top of conductive sheet is fixedly connected with lower connection sheet by connecting spring, and the lower connection sheet is arranged above LED chip,
And the bottom end of LED chip is provided with connection sheet；
The top surface arranged on left and right sides of the thermal insulation layer is both provided with sliding groove, and is both provided with right over sliding groove
The bottom end of thermally conductive sheet, the upper thermally conductive sheet is respectively connected with and the matched slide protrusion of sliding groove, the top surface outer end of the thermal insulation layer
There are two connections and the matched semi-circular piece of upper thermally conductive sheet, and semi-circular piece and upper thermally conductive sheet can be spliced into a complete ring
The top surface of shape structure, the upper thermally conductive sheet and semi-circular piece is both provided with arc link slot, and four arc link slots can spell
It is connected into a complete loop configuration, the mode that the arc link slot is connected through a screw thread is connected with light shield.
Further, the bottom end of the LED base is connected with the lower thermally conductive sheet of annular, and the bottom end of lower thermally conductive sheet is connected with
The lower cooling fin of annular.
Further, it is provided with the upper cooling fin for being fixed on thermally conductive sheet top on the outside of the arc link slot, and on
The top surface of cooling fin and the bottom surface of lower cooling fin are both provided with equally distributed heat bulge.
Further, the top surface of the conductive sheet is provided with guiding groove, and the bottom surface of the lower connection sheet is connected with across even
The correcting bar of spring is connect, and the bottom end of correcting bar is plugged in guiding groove.
Further, the bottom surface center of the LED base, which is provided with, is fixedly connected with block.
Further, the inner wall of the light shield is coated with fluorescence coating.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model can make the disassembly and installation of LED chip more convenient, be conducive to LED chip repair and
It replaces, makes the more efficient of repair；
(2) the utility model separates LED base and LED chip by thermal insulation layer and connecting spring so that two fevers
Source, which can separate, radiates, and is conducive to the heat dissipation effect for improving device entirety, and two pyrotoxins can be avoided to influence each other.
Description of the drawings
Fig. 1 is the global sections structural schematic diagram of the utility model；
Fig. 2 is the upper thermally conductive sheet overlooking structure diagram of the utility model；
Figure label：
1-LED pedestals；2- thermal insulation layers；3- connecting grooves；4- conductive sheets；5- connecting springs；Connection sheet under 6-；7-LED cores
Piece；The upper connection sheets of 8-；9- sliding grooves；The upper thermally conductive sheets of 10-；11- slide protrusions；12- semi-circular pieces；13- arc link slots；14-
Light shield；Thermally conductive sheet under 15-；Cooling fin under 16-；The upper cooling fins of 17-；18- heat bulges；19- guiding grooves；20- correcting bars；21-
It is fixedly connected with block；22- fluorescence coatings.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the utility model provides a kind of white light LEDs light based on fluorescence ceramics and nanometer grating
Source, including LED base 1, the bottom surface center of LED base 1, which is provided with, is fixedly connected with block 21, be fixedly connected block 21 for by device with
Lamp cap is fixedly connected, and can make current lead-through, and the top surface of LED base 1 is provided with thermal insulation layer 2, and is set in the center of thermal insulation layer 2
It is equipped with connecting groove 3, thermal insulation layer 2 is made of the poor material of heat conductivility, for completely cutting off heat.
The bottom surface of connecting groove 3 is provided with conductive sheet 4, and the top of conductive sheet 4 is fixedly connected with down by connecting spring 5
Connection sheet 6, connecting spring 5 are made of conductive metal so that lower connection sheet 6 can be conductive, and enables lower connection sheet 6 even
It connects in groove 3 and moves up and down, lower connection sheet 6 is arranged above LED chip 7, and the bottom end of LED chip 7 is provided with company
Contact pin 8, upper connection sheet 8 are matched with lower connection sheet 6, and LED chip 7 can realize leading for electricity by upper connection sheet 8 and lower connection sheet 6
It is logical, so as to send out white light.
The top surface of conductive sheet 4 is provided with guiding groove 19, and the bottom surface of lower connection sheet 6 is connected with the correcting across connecting spring 5
Bar 20, and the bottom end of correcting bar 20 is plugged in guiding groove 19, correcting bar 20 is made of insulating materials so that LED chip 7, on
, can be in the same vertical plane always when connection sheet 8 and lower connection sheet 6 move up and down in connecting groove 3, it avoids to the left and right
Direction tilts.
The top surface arranged on left and right sides of thermal insulation layer 2 is both provided with sliding groove 9, and is both provided with and leads in the surface of sliding groove 9
The bottom end of backing 10, upper thermally conductive sheet 10 is respectively connected with and 9 matched slide protrusion 11 of sliding groove so that upper thermally conductive sheet 10 can be
Moved left and right on sliding groove 9, and without departing from sliding groove 9, the top surface outer end connection of thermal insulation layer 2 there are two with upper thermally conductive sheet 10
The semi-circular piece 12 matched, and semi-circular piece 12 and upper thermally conductive sheet 10 can be spliced into a complete loop configuration, upper thermally conductive sheet
10 move inward make semi-circular piece 12 and upper thermally conductive sheet 10 splice to circularize when, it is recessed that the inner end of upper thermally conductive sheet 10 is respectively positioned on connection
The surface of slot 3.
The top surface of upper thermally conductive sheet 10 and semi-circular piece 12 is both provided with arc link slot 13, and four 13 energy of arc link slot
It is enough spliced into a complete loop configuration, the mode that arc link slot 13 is connected through a screw thread is connected with light shield 14, light shield 14
Inner wall be coated with fluorescence coating 22, light shield 14 for protecting LED chip 7, and can with make LED chip under 22 collective effect of fluorescence coating
The 7 white light qualities that send out are more preferable.
When installing LED chip 7, first upper thermally conductive sheet 10 is stretched out, then LED chip 7 is placed in lower connection sheet 6
And press down on, thermally conductive sheet 10 is moved inward later, and upper thermally conductive sheet 10 can block LED chip 7, realize consolidating for LED chip 7
It is fixed, most thermally conductive sheet 10 can be made also to fix by light shield 14 on arc link slot 13, realization device is whole to be consolidated, and
When dismantling LED chip 7, only it need to then stretch out thermally conductive sheet 10 by under 14 turns of light shield, just LED chip 7 can be popped up, be made
The disassembly and installation for obtaining LED chip 7 is more convenient, is conducive to the replacement and repair of LED chip 7.
The bottom end of LED base 1 is connected with the lower thermally conductive sheet 15 of annular, and the bottom end of lower thermally conductive sheet 15 is connected under annular
Cooling fin 16, the outside of arc link slot 13 are provided with the upper cooling fin 17 for being fixed on 10 top of thermally conductive sheet, and upper cooling fin
17 top surface and the bottom surface of lower cooling fin 16 are both provided with equally distributed heat bulge 18, lower thermally conductive sheet 15 and upper thermally conductive sheet 10
It is made of preferable copper material of heat conductivility etc., the heat generated for conducting LED base 1 and LED chip 7 respectively is upper to dissipate
Backing 17 and lower cooling fin 16 are made of the aluminum material etc. of good heat dispersion performance, for distributing LED base 1 and LED core respectively
The heat that piece 7 generates, heat bulge 18 can increase the surface area of upper cooling fin 17 and lower cooling fin 16, make heat dissipation effect more
It is good so that device can separate main pyrotoxin LED base 1 and LED chip 7 under the action of thermal insulation layer 2 and connecting spring 5
It opens, and can radiate respectively, while improving device integral heat sink effect, can also prevent LED base 1 and LED chip 7
The heat distributed influences each other, and keeps the illumination effect of device more preferable.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of white LED light source based on fluorescence ceramics and nanometer grating, including LED base (1), it is characterised in that：It is described
The top surface of LED base (1) is provided with thermal insulation layer (2), and the center of thermal insulation layer (2) is provided with connecting groove (3), the connection
The bottom surface of groove (3) is provided with conductive sheet (4), and the top of conductive sheet (4) is fixedly connected with lower connection by connecting spring (5)
Piece (6), the lower connection sheet (6) is arranged above LED chip (7), and the bottom end of LED chip (7) is provided with connection
Piece (8)；
The top surface arranged on left and right sides of the thermal insulation layer (2) is both provided with sliding groove (9), and is respectively provided with right over sliding groove (9)
There are upper thermally conductive sheet (10), the bottom end of the upper thermally conductive sheet (10) to be respectively connected with and sliding groove (9) matched slide protrusion (11), institute
State the top surface outer end connection of thermal insulation layer (2) there are two with the matched semi-circular piece (12) of upper thermally conductive sheet (10), and semi-circular piece
(12) and upper thermally conductive sheet (10) can be spliced into a complete loop configuration, the upper thermally conductive sheet (10) and semi-circular piece (12)
Top surface be both provided with arc link slot (13), and four arc link slots (13) can be spliced into a complete ring junction
Structure, the mode that the arc link slot (13) is connected through a screw thread are connected with light shield (14).
2. a kind of white LED light source based on fluorescence ceramics and nanometer grating according to claim 1, it is characterised in that：
The bottom end of the LED base (1) is connected with the lower thermally conductive sheet (15) of annular, and the bottom end of lower thermally conductive sheet (15) is connected with annular
Lower cooling fin (16).
3. a kind of white LED light source based on fluorescence ceramics and nanometer grating according to claim 1, it is characterised in that：
The upper cooling fin (17) for being fixed on thermally conductive sheet (10) top, and upper cooling fin are provided on the outside of the arc link slot (13)
(17) bottom surface of top surface and lower cooling fin (16) is both provided with equally distributed heat bulge (18).
4. a kind of white LED light source based on fluorescence ceramics and nanometer grating according to claim 1, it is characterised in that：
The top surface of the conductive sheet (4) is provided with guiding groove (19), and the bottom surface of the lower connection sheet (6) is connected with across connecting spring
(5) correcting bar (20), and the bottom end of correcting bar (20) is plugged in guiding groove (19).
5. a kind of white LED light source based on fluorescence ceramics and nanometer grating according to claim 1, it is characterised in that：
The bottom surface center of the LED base (1), which is provided with, is fixedly connected with block (21).
6. a kind of white LED light source based on fluorescence ceramics and nanometer grating according to claim 1, it is characterised in that：
The inner wall of the light shield (14) is coated with fluorescence coating (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820156774.7U CN207962130U (en) | 2018-01-30 | 2018-01-30 | A kind of white LED light source based on fluorescence ceramics and nanometer grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820156774.7U CN207962130U (en) | 2018-01-30 | 2018-01-30 | A kind of white LED light source based on fluorescence ceramics and nanometer grating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207962130U true CN207962130U (en) | 2018-10-12 |
Family
ID=63735897
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820156774.7U Expired - Fee Related CN207962130U (en) | 2018-01-30 | 2018-01-30 | A kind of white LED light source based on fluorescence ceramics and nanometer grating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207962130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638139A (en) * | 2018-12-07 | 2019-04-16 | 合肥市华达半导体有限公司 | A kind of light-emitting diode encapsulation structure |
-
2018
- 2018-01-30 CN CN201820156774.7U patent/CN207962130U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638139A (en) * | 2018-12-07 | 2019-04-16 | 合肥市华达半导体有限公司 | A kind of light-emitting diode encapsulation structure |
| CN109638139B (en) * | 2018-12-07 | 2020-04-24 | 合肥市华达半导体有限公司 | Light emitting diode packaging structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20181012 Termination date: 20210130 |