CN108443725A - A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof - Google Patents
A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof Download PDFInfo
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- CN108443725A CN108443725A CN201810436068.2A CN201810436068A CN108443725A CN 108443725 A CN108443725 A CN 108443725A CN 201810436068 A CN201810436068 A CN 201810436068A CN 108443725 A CN108443725 A CN 108443725A
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- reflector
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- heat pipe
- lanterns
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/86—Ceramics or glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of LED soft-light lamps and lanterns of heat dissipation, including reflector, are fixed on the concavees lens of reflector lower end, are fixed on the locating cover of reflector upper end, the circular platform type substrate being located inside reflector, the LED light source of be installed on substrate, heat pipe；Heat pipe runs through locating cover, and the lower end of heat pipe is fixed on substrate, and locating cover is exposed in the upper end of heat pipe, and the inner wall of reflector is equipped with diffusing reflection coating.The invention further relates to LED soft-light lamps and lanterns of a kind of heat dissipation and preparation method thereof.The light of this soft light fixture is soft and has good heat dissipation effect, belongs to the technical field of LED lamp.
Description
Technical field
The present invention relates to the LED soft-light lamps and lanterns and its making side of the technical field of LED lamp more particularly to a kind of heat dissipation
Method.
Background technology
Light emitting diode (LED) light source has the advantages that high efficiency, long-life, without harmful substances such as Hg.With LED skills
The fast development of art, the performances such as brightness, the service life of LED are obtained for great promotion so that the application field of LED is more and more wider
General, the room lightings such as from outdoor lightings such as street lamps to ornament lamp use or are replaced with one after another LED as light source.
But current LED lamp is particularly applied to indoor LED lamp and is easy there is a situation where that light is excessively bright, it is not soft
Light be easy intense stimulus eyes, can not look at straight, can not create that light is soft, makes us the indoor light source environment being comfortable on.
Meanwhile the heat dissipation problem of LED is also taken seriously increasingly, because excessively high temperature can cause LED luminous efficiencies to decay,
Usual LED high power products input power about 15% can be converted into light, and remaining 85% electric energy is converted into thermal energy.LED is operated
If generated waste heat can not effectively shed, it will keep LED junction face temperature excessively high, and then influence the life cycle of product, shine
Efficiency and stability cause fatefulue influence to the service life of LED.And current stage, the heat dissipation bottleneck of luminescent system, Duo Shuofa
It is raw to conduct heat to its substrate again to based on system driving circuit plate from LED particle.The sinking path of this part is：Directly
It is radiated to system circuit board by crystal grain substrate, in this sinking path, the heat-sinking capability of LED particle baseplate material is critically important
Parameter.The heat dissipation effect of LED product is poor at present.
Invention content
For the technical problems in the prior art, the purpose of the present invention is：A kind of LED soft light of heat dissipation is provided
Tool, the light of lamps and lanterns is soft and has good heat dissipation effect.
It is a further object of the present invention to provide a kind of production method of the LED soft-light lamps and lanterns of heat dissipation, the lamps and lanterns light produced
Line is soft and has good heat dissipation effect.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of LED soft-light lamps and lanterns of heat dissipation, including reflector, are fixed on the concavees lens of reflector lower end, are fixed on reflection
The locating cover of cup upper end, the circular platform type substrate being located inside reflector, the LED light source of be installed on substrate, heat pipe；Heat pipe runs through
The lower end of locating cover, heat pipe is fixed on substrate, and locating cover is exposed in the upper end of heat pipe, and the inner wall of reflector is applied equipped with diffusing reflection
Layer.
It is further：Hollow reflector is in circular platform type, and the lower end of reflector is equipped with inwardly projecting annular convex platform, ring
The lower end of shape boss is equipped with the first cylindrical thread segment, and the first thread segment has external screw thread；Lamps and lanterns further include fixed ring, Gu
Determine the ring baffle and the second cylindrical thread segment that ring includes integral structure；Second thread segment has internal thread, annular gear
Plate is located at the lower end of the second thread segment, and the second thread segment is tightened on the first thread segment, and concavees lens are located at annular convex platform and annular
Between baffle.
It is further：The upper end of concavees lens is in contact with annular convex platform, and the lower end of concavees lens is in contact with ring baffle,
The circumferential side wall of concavees lens is in contact with the inner wall of the first thread segment.
It is further：Concavees lens are plano-concave lens, and upward, the concave surface of plano-concave lens is downward for the plane of plano-concave lens.
It is further：Locating cover is cylinder, and locating cover is bolted on the upper end of reflector, in locating cover
The heart is equipped with the through-hole passed through for heat pipe, and heat pipe is welded on locating cover.
It is further：The lower end of heat pipe is inserted into the blind hole of substrate upper end, and heat pipe is fixed by screws in blind hole.
It is further：LED light source is made of the LED branches of multiple parallel connections, each LED branch route multiple LED lamp beads
It is connected in series；Reflector is in circular platform type, and the radius of reflector upper surface is less than the radius of reflector lower face, each LED branch
Road is arranged from top to bottom on the side of reflector, and multiple LED branches are uniformly distributed along the side of reflector.
It is further：Substrate is made of ceramic material, and the cone angle of substrate is 60 ° or 120 °；Diffusing reflection coating is by BaSO4
It is made with polyvinyl alcohol, alternatively, diffusing reflection coating is made of PLGA polymer and DMF polar solvents.
A kind of production method of the LED soft-light lamps and lanterns of heat dissipation, includes the following steps：Make diffusing reflection solution and by diffusing reflection
Solution spraying is on the inner wall in the reflector of circular platform type, to form diffusing reflection coating on the inner wall of reflector；
Concavees lens are placed on the lower face of the annular convex platform of reflector lower end, then by the second spiral shell of fixed ring
Line section is tightened on the first thread segment of annular convex platform lower end so that the upper end of concavees lens is in contact with annular convex platform, recessed
The lower end of lens is in contact with the ring baffle of fixed ring, and the circumferential side wall of concavees lens is in contact with the inner wall of the first thread segment；
The lower end of heat pipe is inserted into the blind hole for the substrate upper end being located in reflector, reuses screw and be fixed on heat pipe
In the blind hole of substrate, LED light source is mounted on the side of substrate, heat pipe is then run through into locating cover, and heat pipe is welded on
On locating cover, then locating cover is tightened in bolt the upper end of reflector.
It is further：LED light source is made with the following method：Multiple LED lamp beads are connected in series a LED branch,
Multiple LED branch circuit parallel connections are formed into LED light source；Each LED branch is arranged from top to bottom on the side of reflector, and is made
Multiple LED branches are obtained to be uniformly distributed along the side of reflector；
Diffusing reflection coating is made with the following method, and the BaSO4 and polyvinyl alcohol water solution of 10000 mesh grain sizes of selection are simultaneously pressed
Mass percent 1:1 carry out it is compound, use compressed air as power, then will be compound after solution spraying reflector inner wall
On, after the solution drying on cup inner wall to be reflected, repeat spraying 3 times；
Alternatively, making diffusing reflection coating with the following method, selecting PLGA polymer and DMF polar solvents and pressing quality hundred
Divide ratio 7:4 progress are compound, and make diffusing reflection coating using electrospinning process under 12.5kV high voltages.
Generally speaking, the invention has the advantages that：
This soft light fixture realizes the soft of LED lamp by the reflector of concavees lens and manufacture with high diffusing reflection coating
It is photochemical.So that heat caused by LED light source is quickly transferred out lamps and lanterns using ceramic substrate and hot pipe technique simultaneously, realizes lamps and lanterns
High efficiency and heat radiation.This soft light fixture lighting quality is good, good heat dissipation effect, can be widely applied to the indoor field of high-quality lighting demand
Institute.
Description of the drawings
Fig. 1 is the structural schematic diagram of this soft light fixture.
Fig. 2 is the explosive view of locating cover, reflector, concavees lens, fixed ring.
Fig. 3 is the structural schematic diagram of heat pipe, substrate, lamp bead.
Fig. 4 is the vertical view of substrate.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
It is now attached to what is occurred in Figure of description for the ease of uniformly checking each reference numeral inside Figure of description
Icon note is unitedly described as follows：
1 is heat pipe, and 2 be LED lamp bead, and 3 be substrate, and 4 be reflector, and 5 be annular convex platform, and 6 be the first thread segment, and 7 be solid
Determine ring, 8 be diffusing reflection coating, and 9 be locating cover, and 10 be concavees lens, and 11 be the bolt hole on locating cover, and 12 be the second thread segment,
13 be ring baffle, and 14 be the blind hole on substrate, and 15 be the screw hole on substrate.
For sake of convenience, now hereafter described orientation is described as follows：Hereafter described upper and lower directions and Fig. 1's itself is upper
Lower direction is consistent.
As shown in Figure 1, Figure 2, a kind of LED soft-light lamps and lanterns of heat dissipation, including reflector, it is fixed on the recessed of reflector lower end
Lens are fixed on the locating cover of reflector upper end, the circular platform type substrate being located inside reflector, the LED light of be installed on substrate
Source, heat pipe.Heat pipe has the function of that heat conduction of radiating, heat pipe are placed vertically, and heat pipe selects groove-shaped heat pipe or copper powder slug type
Heat pipe, heat pipe run through locating cover, and the lower end of heat pipe is fixed on substrate, and locating cover is exposed in the upper end of heat pipe.Reflector is in thin-walled
Circular platform type, the inner wall of reflector is equipped with diffusing reflection coating.
Reflector is in circular platform type, and reflector is hollow, and the lower end of reflector is equipped with inwardly (inside for being directed toward reflector)
Annular convex platform outstanding, the lower end of annular convex platform are equipped with the first thread segment in thin-wall circular tubular, and the first thread segment has outer spiral shell
Line.This soft light fixture further includes fixed ring, and fixed ring includes the ring baffle of integral structure and the second spiral shell in thin-wall circular tubular
Line section；There is second thread segment internal thread, the second thread segment to be matched with the first thread segment, and ring baffle is located at the second thread segment
Lower end, the second thread segment is located on the outer edge of ring baffle, and the second thread segment is tightened on the first thread segment, concavees lens position
Between annular convex platform and ring baffle.Reflector, annular convex platform, the first thread segment are integrated structures, are an entirety.
The upper end of concavees lens is in contact with the lower end of annular convex platform, and the lower end of concavees lens connects with the upper end of ring baffle
It touches, the circumferential side wall of concavees lens is in contact with the inner wall of the first thread segment.
Concavees lens are plano-concave lens, and upward, the concave surface of plano-concave lens is downward for the plane of plano-concave lens.
Referring to figs 1 and 3, locating cover is cylinder, and locating cover is bolted on the upper end of reflector, positioning
It covers and is equipped with bolt hole, the center of locating cover is equipped with the through-hole passed through for heat pipe, and heat pipe is welded on locating cover.
The lower end of heat pipe is inserted into the blind hole of substrate upper end, and heat pipe is fixed by screws in blind hole, on the side wall of substrate
Equipped with screw hole, heat pipe and substrate are fixed together by bolts through bolt holes.
LED light source is made of the LED branches of multiple parallel connections, each LED branch route multiple LED lamp beads and is connected in series.Instead
It is in circular platform type to penetrate cup, and the radius of reflector upper surface is less than the radius of reflector lower face, each LED branch is set from top to bottom
It sets on the side of reflector, multiple LED branches are uniformly distributed along the side of reflector.In conjunction with shown in Fig. 4, this soft light fixture
Using the form of four strings four simultaneously, i.e., 4 equidistant concatenated 3528TOP types LED lamp beads are fixed on oxygen by KER3000 die bonds slurry
On the circular platform type ceramic substrate for changing aluminium, this 4 LED lamp bead forms a LED branch, and then there are four LED branches in parallel are equal
It is even to be distributed on the side of reflector.The radius of reflector upper surface is less than the radius of reflector lower face, may make LED lamp bead
The light sent out is generally perpendicular to the side of substrate, and vertical directive diffusing reflection coating.
Substrate is made of ceramic material, and the cone angle of substrate is 60 °, 120 ° or other proper angles；Diffusing reflection coating by
BaSO4 and polyvinyl alcohol are made, alternatively, diffusing reflection coating is made of PLGA polymer and DMF polar solvents.
The operation principle of this soft light fixture：LED lamp bead is high by light path consistency under 30 ° on the upper side or 60 ° of luminescent conditions
Light is incident to the diffusing reflection coating on reflector, and diffusing reflection coating has the function of strong scattering, can be irregular by incident ray
Ground is scattered to all directions, and scattering light is finally reached concavees lens, then carries out scattering again for light by concavees lens, then light from
Concavees lens project, to reach the sheen light-out effect of LED lamp.The amount of heat that all LED lamp beads generate is absorbed by substrate,
And heat is rapidly transferred to outside lamps and lanterns by heat pipe, to realize good heat dissipation effect.
A kind of production method of the LED soft-light lamps and lanterns of heat dissipation, includes the following steps：Make diffusing reflection solution and by diffusing reflection
Solution spraying is on the inner wall in the reflector of circular platform type, to form diffusing reflection coating on the inner wall of reflector；
Concavees lens are placed on the lower face of the annular convex platform of reflector lower end, then by the second spiral shell of fixed ring
Line section is tightened on the first thread segment of annular convex platform lower end so that the upper end of concavees lens is in contact with annular convex platform, recessed
The lower end of lens is in contact with the ring baffle of fixed ring, and the circumferential side wall of concavees lens is in contact with the inner wall of the first thread segment；
The lower end of heat pipe is inserted into the blind hole for the substrate upper end being located in reflector, reuses screw and be fixed on heat pipe
In the blind hole of substrate, LED light source is mounted on the side of substrate, heat pipe is then run through into locating cover, and heat pipe is welded on
On locating cover, then locating cover is tightened in bolt the upper end of reflector.
Following method may be used and make LED light source：Multiple LED lamp beads are connected in series a LED branch, it will be multiple
LED branch circuit parallel connections form LED light source；Each LED branch is arranged from top to bottom on the side of reflector, and is made multiple
LED branches are uniformly distributed along the side of reflector, to complete the making of LED light source.
Diffusing reflection coating is made with the following method, and the BaSO4 and polyvinyl alcohol water solution of 10000 mesh grain sizes of selection are simultaneously pressed
Mass percent 1:1 carry out it is compound, use compressed air as power, then will be compound after solution spraying reflector inner wall
On, after the solution drying on cup inner wall to be reflected, spraying 3 times is repeated, to complete the making of diffusing reflection coating.
Also diffusing reflection coating is made with the following method, selects PLGA polymer and DMF polar solvents and presses quality percentage
Than 7:4 progress are compound, and make diffusing reflection coating using electrospinning process under 12.5kV high voltages, applied to complete diffusing reflection
The making of layer.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of LED soft-light lamps and lanterns of heat dissipation, it is characterised in that：Including reflector, the concavees lens of reflector lower end are fixed on, Gu
It is scheduled on the locating cover of reflector upper end, the circular platform type substrate being located inside reflector, the LED light source of be installed on substrate, heat pipe；
Heat pipe runs through locating cover, and the lower end of heat pipe is fixed on substrate, and locating cover is exposed in the upper end of heat pipe, and the inner wall of reflector is equipped with
Diffusing reflection coating.
2. a kind of LED soft-light lamps and lanterns of heat dissipation described in accordance with the claim 1, it is characterised in that：Hollow reflector is in round platform
The lower end of type, reflector is equipped with inwardly projecting annular convex platform, and the lower end of annular convex platform is equipped with the first cylindrical thread segment,
First thread segment has external screw thread；Lamps and lanterns further include fixed ring, and fixed ring includes the ring baffle of integral structure and cylindrical
The second thread segment；There is second thread segment internal thread, ring baffle to be located at the lower end of the second thread segment, and the second thread segment screws
On the first thread segment, concavees lens are between annular convex platform and ring baffle.
3. the LED soft-light lamps and lanterns of a kind of heat dissipation according to claim 2, it is characterised in that：The upper end of concavees lens and annular
Boss is in contact, and the lower end of concavees lens is in contact with ring baffle, the inner wall phase of the circumferential side wall of concavees lens and the first thread segment
Contact.
4. a kind of LED soft-light lamps and lanterns of heat dissipation described in accordance with the claim 1, it is characterised in that：Concavees lens are plano-concave lens, are put down
Upward, the concave surface of plano-concave lens is downward for the plane of concavees lens.
5. a kind of LED soft-light lamps and lanterns of heat dissipation described in accordance with the claim 1, it is characterised in that：Locating cover is cylinder, positioning
Lid is bolted on the upper end of reflector, and the center of locating cover is equipped with the through-hole passed through for heat pipe, and heat pipe is welded on fixed
Position covers.
6. a kind of LED soft-light lamps and lanterns of heat dissipation described in accordance with the claim 1, it is characterised in that：Substrate is inserted into the lower end of heat pipe
In the blind hole of upper end, heat pipe is fixed by screws in blind hole.
7. a kind of LED soft-light lamps and lanterns of heat dissipation described in accordance with the claim 1, it is characterised in that：LED light source is by multiple parallel connections
LED branches form, each LED branch route multiple LED lamp beads and is connected in series；Reflector is in circular platform type, reflector upper surface
Radius is less than the radius of reflector lower face, each LED branch is arranged from top to bottom on the side of reflector, multiple LED
Branch is uniformly distributed along the side of reflector.
8. a kind of LED soft-light lamps and lanterns of heat dissipation described in accordance with the claim 1, it is characterised in that：Substrate is made of ceramic material,
The cone angle of substrate is 60 ° or 120 °；Diffusing reflection coating is made of BaSO4 and polyvinyl alcohol, alternatively, diffusing reflection coating is gathered by PLGA
It closes object and DMF polar solvents is made.
9. a kind of production method of the LED soft-light lamps and lanterns of heat dissipation, it is characterised in that：Include the following steps：Make diffusing reflection solution
And by diffusing reflection solution spraying on the inner wall in the reflector of circular platform type, applied to form diffusing reflection on the inner wall of reflector
Layer；
Concavees lens are placed on the lower face of the annular convex platform of reflector lower end, then by the second thread segment of fixed ring
It is tightened on the first thread segment of annular convex platform lower end so that the upper end of concavees lens is in contact with annular convex platform, concavees lens
Lower end be in contact with the ring baffle of fixed ring, the circumferential side wall of concavees lens is in contact with the inner wall of the first thread segment；
The lower end of heat pipe is inserted into the blind hole for the substrate upper end being located in reflector, reuses screw and heat pipe is fixed on substrate
Blind hole in, LED light source is mounted on the side of substrate, heat pipe is then run through into locating cover, and heat pipe is welded on positioning
It covers, then locating cover is tightened in the upper end of reflector with bolt.
10. the production method of the LED soft-light lamps and lanterns of a kind of heat dissipation according to claim 9, it is characterised in that：
LED light source is made with the following method：Multiple LED lamp beads are connected in series a LED branch, simultaneously by multiple LED branches
Connection forms LED light source；Each LED branch is arranged from top to bottom on the side of reflector, and makes multiple LED branch curbs
The side for reflector is uniformly distributed；
Diffusing reflection coating is made with the following method, and the BaSO4 and polyvinyl alcohol water solution of 10000 mesh grain sizes of selection simultaneously press quality
Percentage 1:1 carry out it is compound, use compressed air as power, then will be compound after solution spraying on the inner wall of reflector,
After solution drying on cup inner wall to be reflected, spraying 3 times is repeated；
Alternatively, make diffusing reflection coating with the following method, PLGA polymer and DMF polar solvents and by mass percentage are selected
7:4 progress are compound, and make diffusing reflection coating using electrospinning process under 12.5kV high voltages.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436068.2A CN108443725A (en) | 2018-05-09 | 2018-05-09 | A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof |
| PCT/CN2018/111939 WO2019214170A1 (en) | 2018-05-09 | 2018-10-25 | Heat-dissipating led soft-light lighting and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436068.2A CN108443725A (en) | 2018-05-09 | 2018-05-09 | A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443725A true CN108443725A (en) | 2018-08-24 |
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|---|---|---|---|
| CN201810436068.2A Pending CN108443725A (en) | 2018-05-09 | 2018-05-09 | A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof |
Country Status (2)
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| CN (1) | CN108443725A (en) |
| WO (1) | WO2019214170A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019214170A1 (en) * | 2018-05-09 | 2019-11-14 | 华南理工大学 | Heat-dissipating led soft-light lighting and manufacturing method therefor |
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| CN108443725A (en) * | 2018-05-09 | 2018-08-24 | 华南理工大学 | A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof |
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| WO2019214170A1 (en) | 2019-11-14 |
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