CN106287264A - A kind of LED of high efficiency and heat radiation - Google Patents
A kind of LED of high efficiency and heat radiation Download PDFInfo
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- CN106287264A CN106287264A CN201610633909.XA CN201610633909A CN106287264A CN 106287264 A CN106287264 A CN 106287264A CN 201610633909 A CN201610633909 A CN 201610633909A CN 106287264 A CN106287264 A CN 106287264A
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- Prior art keywords
- led
- lamp housing
- heat radiation
- high efficiency
- groove
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Classifications
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/57—Cooling arrangements using liquid coolants characterised by control arrangements
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/59—Cooling arrangements using liquid coolants with forced flow of the coolant
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
-
- 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
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- 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
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses the LED of a kind of high efficiency and heat radiation, including lamp housing, described lamp housing is provided with installation base plate, it is characterized in that: in described installation base plate, be provided with groove, the installing hole running through installation base plate it is provided with at described bottom portion of groove, LED chip assembly it is provided with in described installing hole, the conductive graphite sheet that can close described groove it is provided with at described slot opening, cooling oil it is filled with in the cavity that described groove and conductive graphite sheet surround, it is provided with radiator in described lamp housing, it is provided with oil cooling service pipe in described radiator, the two ends of described oil cooling service pipe are connected with cavity thus constitute primary Ioops, described oil cooling service pipe is provided with oil pump, described lamp housing is provided with aerofluxus installing hole, it is provided with exhaust fan device in described aerofluxus installing hole.The invention aims to overcome weak point of the prior art, it is provided that a kind of simple in construction, good heat dissipation effect, the LED of the high efficiency and heat radiation that can effectively increase the service life.
Description
Technical field
The present invention relates to the LED of a kind of high efficiency and heat radiation.
Background technology
At present high-power and high-luminance white LED light source the most progressively replaces conventional light source, but due to the high problem of LED junction temperature not
Can effectively solve, cause the problems such as the decline of LED chip luminous efficiency, light decay, aging, reduction of service life, make high-power always
LED lamp can not apply high in illumination, use the longer field of street lamp lighting of bad environments, life requirements.
So, existing LED awaits the most perfect.
Summary of the invention
The invention aims to overcome weak point of the prior art, it is provided that a kind of simple in construction, radiating effect
Good, the LED of the high efficiency and heat radiation that can effectively increase the service life.
In order to achieve the above object, the present invention uses below scheme:
The LED of a kind of high efficiency and heat radiation, including lamp housing, is provided with installation base plate on described lamp housing, it is characterised in that: in institute
It is provided with groove in stating installation base plate, is provided with the installing hole running through installation base plate at described bottom portion of groove, sets in described installing hole
There is LED chip assembly, at described slot opening, be provided with the conductive graphite sheet that can close described groove, in described groove and heat conduction
It is filled with cooling oil in the cavity that graphite flake surrounds, in described lamp housing, is provided with radiator, in described radiator, is provided with cooling
Oil pipe, the two ends of described oil cooling service pipe are connected with cavity thus constitute primary Ioops, are provided with oil pump on described oil cooling service pipe,
Described lamp housing is provided with aerofluxus installing hole, is provided with exhaust fan device in described aerofluxus installing hole.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that on described radiator and oil cooling service pipe outer wall
It is respectively equipped with thermal dispersant coatings.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that described lamp housing along its length relative two
Exhaust fan device it is respectively equipped with on end.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that in described lamp housing two sides along its length
On be respectively equipped with radiator.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that be provided with temperature probe in described groove, in institute
Being provided with controller in stating lamp housing, described temperature probe, exhaust fan device, oil pump are connected with controller respectively.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that described radiator includes radiator body,
Described radiator body inner vertical is arranged at intervals with some radiating fins in lamp housing length direction, and described oil cooling service pipe is along lamp housing
Length direction runs through described radiating fin.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that described LED chip assembly includes aluminium base,
Being welded with LED chip on described aluminium base one end, the described aluminium base other end is arranged in groove.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that exhaust fan device includes cylindrical shape mounting seat,
Described cylindrical shape mounting seat outer wall is provided with several ventilative slotted eyes, described cylindrical shape mounting seat one end is provided with motor peace
Dress seat, is provided with motor on described motor mount, is provided with Vane wheel on the motor shaft of described motor.
The LED of a kind of high efficiency and heat radiation as above, it is characterised in that described thermal dispersant coatings, includes following by weight
Component:
In sum, relative to prior art, it provides the benefit that the present invention:
Present configuration is simple, and good heat dissipation effect can be effectively ensured the light efficiency of LED, extend its service life.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention；
Fig. 2 is the generalized section of the present invention；
Fig. 3 is the schematic diagram of oil cooling service pipe of the present invention and radiator assembling.
Detailed description of the invention
The invention will be further described with detailed description of the invention in explanation below in conjunction with the accompanying drawings:
The LED of a kind of high efficiency and heat radiation as shown in Figures 1 to 3, including lamp housing 1, is provided with installation base plate on described lamp housing 1
2, in described installation base plate 2, it is provided with groove 3, bottom described groove 3, is provided with the installing hole 4 running through installation base plate 2, described
It is provided with LED chip assembly 5 in installing hole 4, is provided with the conductive graphite sheet 6 that can close described groove 3 at described groove 3 opening part,
In the cavity that described groove 3 and conductive graphite sheet 6 surround, it is filled with cooling oil 7, in described lamp housing 1, is provided with radiator 8,
Being provided with oil cooling service pipe 9 in described radiator 8, the two ends of described oil cooling service pipe 9 are connected with cavity thus constitute primary Ioops, in institute
State oil cooling service pipe 9 and be provided with oil pump 10, described lamp housing 1 is provided with aerofluxus installing hole 4, be provided with in described aerofluxus installing hole 4
Exhaust fan device 11.
Cooling oil in the heat produced in LED chip assembly 5 work process in the present invention and groove 3 quickly carries out heat friendship
Changing, be provided with conductive graphite sheet 6 outside groove 3, the heat in cooling oil is by conductive graphite sheet 6, by exhaust fan device
The effect of 11 is discharged into the external world；Cooling oil is under the ordering about of oil pump 10, and at oil cooling service pipe 9 internal circulation flow, oil cooling service pipe 9 is arranged
In radiator 8, owing to the pipeline of oil cooling service pipe 9 is relatively long, cyclic process cools down the heat in oil when can have enough
Between be delivered on radiator 8, in the effect of exhaust fan device 11, the heat that radiator 8 distributes can effectively be discharged into the external world.Heat radiation
Effective, the light efficiency of LED can be effectively ensured, postpone service life.
The present invention is respectively equipped with exhaust fan device 11 on described lamp housing 1 opposite end along its length.
The present invention is respectively equipped with radiator 8 on described lamp housing 1 two sides along its length.
The present invention is provided with temperature probe 13 in described groove 3, in described lamp housing 1, is provided with controller 14, described temperature
Degree probe 13, exhaust fan device 11, oil pump 10 are connected with controller 14 respectively.Detect when temperature probe 13 during use
When in groove 3, cooling oil temperature degree exceedes predetermined value, controller 14 sends control signal to exhaust fan device 11, oil pump 10, the row of making
Gas fan device 11, oil pump 10 work, thus ensure the heat radiation of LED.
Heretofore described radiator 8 includes radiator body 81, at described radiator body 81 inner vertical in lamp
Shell length direction is arranged at intervals with some radiating fins 82, and described oil cooling service pipe 9 runs through described radiating fin along lamp housing 1 length direction
Sheet 82.In order to increase the heat exchanger time of oil cooling service pipe 9 of the present invention and radiating fin 82 further, described oil cooling service pipe 9 is dissipating
Roundabout on hot fin 82 running through, the oil cooling service pipe 9 in the radiator 8 of lamp housing 1 two sides along its length constitutes primary Ioops.
Heretofore described LED chip assembly 5 includes aluminium base 51, is welded with LED on described aluminium base 51 one end
Chip 52, described aluminium base 51 other end is arranged in groove 3.
In the present invention, exhaust fan device 11 includes cylindrical shape mounting seat 111, on described cylindrical shape mounting seat 111 outer wall
It is provided with several ventilative slotted eyes 112, described cylindrical shape mounting seat 111 one end is provided with motor mount 113, at described motor
Mounting seat 113 is provided with motor 114, is provided with Vane wheel 115 on the motor shaft of described motor 114.
The present invention is respectively equipped with thermal dispersant coatings on described radiator 8 and oil cooling service pipe 9 outer wall.
Below by way of specific embodiment, the composition of the thermal dispersant coatings of the present invention is further described: embodiment 1
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 50 weight portion, add in 650-part water, add the Catalyzed by Formic Acid of 0.05 weight portion
Agent, hydrolyzes 1 hour at 0 DEG C, is warming up to 70 DEG C and carries out polyreaction, and reaction carries out decompression distillation after terminating, obtain organosilicon
Resin；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 10 weight portions, titanate catalyst 0.2
Weight portion and ethyl acetate 12 weight portion mix homogeneously, under the protection of argon, be heated to 110 DEG C of dehydration condensations 1 hour,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, adds 3 parts of silester and react 1 hour, reaction knot
Lowering the temperature after bundle, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.02% CNT, the Nickel Aluminium Alloy Powder of 10%,
The aluminium nitride composition of the argentum powder of 2%, the gallium nitride of 20% and 67.98%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Described auxiliary agent is high 270 polyether silicones of wetting agent enlightening.
Embodiment 2
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 80 weight portion, add in 950 parts of water, add the Catalyzed by Formic Acid agent of 0.4 weight portion,
Hydrolyzing 5 hours at 5 DEG C, be warming up to 90 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 20 weight portions, titanate catalyst 0.8
Weight portion and ethyl acetate 22 weight portion mix homogeneously, under the protection of argon, be heated to 120 DEG C of dehydration condensations 3 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 90 DEG C, adds 12 parts of silester and react 2 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.2% CNT, the Nickel Aluminium Alloy Powder of 30%,
The aluminium nitride composition of the argentum powder of 1.8%, the gallium nitride of 20% and 48%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Wherein the auxiliary agent described in 4 weight portions includes 0.2 weight portion wetting agent, 1 parts per weight dispersing agent, 2.8 weight portion film forming
Auxiliary agent.Described wetting agent is high 270 polyether silicones of enlightening, and described dispersant is BYK-190 dispersant, and described coalescents is
Lauryl Alcohol ester.
Embodiment 3
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 65 weight portion, add in 800 parts of water, add the Catalyzed by Formic Acid agent of 0.2 weight portion,
Hydrolyzing 2 hours at 2 DEG C, be warming up to 80 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 15 weight portions, titanate catalyst 0.5
Weight portion and ethyl acetate 16 weight portion mix homogeneously, under the protection of argon, be heated to 115 DEG C of dehydration condensations 2 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 85 DEG C, adds 5 parts of silester and react 1.5 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.1% CNT, the Nickel Aluminium Alloy Powder of 20%,
The aluminium nitride composition of the argentum powder of 1%, the gallium nitride of 15% and 63.9%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Wherein the auxiliary agent described in 2 weight portions includes 0.2 weight portion wetting agent, 0.3 parts per weight dispersing agent, 1 weight portion film forming
Auxiliary agent, 0.1 weight portion defoamer, 0.4 weight portion rheological agent.Described wetting agent is high 270 polyether silicones of enlightening, described dispersion
Agent is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described rheology
Agent is high 450 levelling agents of enlightening.
Embodiment 4
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 50 weight portion, add in 950 parts of water, add the Catalyzed by Formic Acid of 0.05 weight portion
Agent, hydrolyzes 1 hour at 0 DEG C, is warming up to 90 DEG C and carries out polyreaction, and reaction carries out decompression distillation after terminating, obtain organosilicon
Resin；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 10 weight portions, titanate catalyst 0.2
Weight portion and ethyl acetate 15 weight portion mix homogeneously, under the protection of argon, be heated to 110 DEG C of dehydration condensations 1 hour,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, adds 3 parts of silester and react 1 hour, reaction knot
Lowering the temperature after bundle, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.05% CNT, the Nickel Aluminium Alloy Powder of 30%,
The aluminium nitride composition of the argentum powder of 0.55%, the gallium nitride of 10% and 59.4%.Wherein said CNT is at following methods
Reason: being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, 80 DEG C acidifying 2h after clean to
Neutrality is also vacuum dried.
Wherein the auxiliary agent described in 0.2 weight portion is 0.05 wetting agent, 0.15 coalescents.Described wetting agent is that enlightening is high
270 polyether silicones, described coalescents is Lauryl Alcohol ester.
Embodiment 5
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 60 weight portion, add in 700 parts of water, add the Catalyzed by Formic Acid agent of 0.1 weight portion,
Hydrolyzing 2 hours at 1 DEG C, be warming up to 75 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 18 weight portions, titanate catalyst 0.3
Weight portion and ethyl acetate 14 weight portion mix homogeneously, under the protection of argon, be heated to 115 DEG C of dehydration condensations 2 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 85 DEG C, adds 6 parts of silester and react 1.5 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.15% CNT, the Nickel Aluminium Alloy Powder of 30%,
The aluminium nitride composition of the argentum powder of 0.5%, the gallium nitride of 5% and 64.35%.Wherein said CNT is at following methods
Reason: being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, 80 DEG C acidifying 2h after clean to
Neutrality is also vacuum dried.
Wherein the auxiliary agent described in 4 weight portions is for including that 0.1 weight portion wetting agent, 0.2 parts per weight dispersing agent, 2 weight portions become
Film auxiliary agent, 0.3 weight portion defoamer and 1.4 weight portion rheological agents.Described wetting agent is high 270 polyether silicones of enlightening, described
Dispersant is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described
Rheological agent is high 450 levelling agents of enlightening.
Described anticorrosive packing is zinc phosphate.
Embodiment 6
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 70 weight portion, add in 800 parts of water, add the Catalyzed by Formic Acid agent of 0.3 weight portion,
Hydrolyzing 3 hours at 3 DEG C, be warming up to 80 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 13 weight portions, titanate catalyst 0.4
Weight portion and ethyl acetate 20 weight portion mix homogeneously, under the protection of argon, be heated to 110 DEG C of dehydration condensations 1 hour,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, adds 3 parts of silester and react 1 hour, reaction knot
Lowering the temperature after bundle, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.2% CNT, the Nickel Aluminium Alloy Powder of 25%,
The aluminium nitride composition of the argentum powder of 1%, the gallium nitride of 16% and 57.8%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Wherein the auxiliary agent described in 0.2 weight portion is 0.1 weight portion wetting agent, 0.1 parts per weight dispersing agent.Described wetting agent
For high 270 polyether silicones of enlightening, described dispersant is BYK-190 dispersant.
Described anticorrosive packing is the mixture of zinc phosphate, modified zinc phosphate.
Embodiment 7
Thermal dispersant coatings of the present invention, includes following components by weight:
Thermal dispersant coatings of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 60 weight portion, add in 750 parts of water, add the Catalyzed by Formic Acid agent of 0.2 weight portion,
Hydrolyzing 3 hours at 2 DEG C, be warming up to 75 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 13 weight portions, titanate catalyst 0.3
Weight portion and ethyl acetate 18 weight portion mix homogeneously, under the protection of argon, be heated to 120 DEG C of dehydration condensations 3 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 90 DEG C, adds 12 parts of silester and react 2 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.02% CNT, the Nickel Aluminium Alloy Powder of 28%,
The aluminium nitride composition of the argentum powder of 0.8%, the gallium nitride of 15% and 56.18%.Wherein said CNT is at following methods
Reason: being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, 80 DEG C acidifying 2h after clean to
Neutrality is also vacuum dried.
Wherein the auxiliary agent described in 2 weight portions is that 0.2 weight portion wetting agent, 0.1 parts per weight dispersing agent, 1 weight portion film forming help
Agent, 0.2 weight portion defoamer and 0.5 weight portion rheological agent.Described wetting agent is high 270 polyether silicones of enlightening, described dispersion
Agent is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described rheology
Agent is high 450 levelling agents of enlightening.
Wherein anticorrosive packing described in 6 weight portions includes 2 parts by weight of phosphoric acid zinc, 1 part by weight modified zinc phosphate and 3 weight portion molybdenums
The mixture of acid zinc.
The heat dispersion of thermal dispersant coatings of the present invention is verified further by tests below:
Take 8 pieces of aluminium bases to mark respectively, plate 1, plate 2, plate 3, plate 4, plate 5, plate 6, plate 7, plate 8；Wherein plate 1 is not coated with heat-radiation coating
Layer, plate 2-8 surface is coated with the thermal dispersant coatings in embodiment of the present invention 1-7 the most successively, after solidification detects its performance；By plate
1 to plate 8 is positioned in heating plate, be sequentially adjusted in temperature 50 C, 80 DEG C, 100 DEG C, 150 DEG C, 200 DEG C, 250 DEG C, 300 DEG C, every time
After homoiothermic, balancing and within 60 minutes, be further continued for being heated to next temperature, utilize temperature measurer record temperature, result is as shown in table 1, room temperature 25
℃。
Table 1
| Initial temperature DEG C | 50 | 80 | 100 | 150 | 200 | 250 | 300 |
| After plate 1 balances 60 minutes | 38 | 65 | 78 | 121 | 155 | 198 | 243 |
| After plate 2 balances 60 minutes | 26 | 50 | 58 | 83 | 110 | 160 | 201 |
| After plate 3 balances 60 minutes | 22 | 48 | 56 | 80 | 105 | 149 | 190 |
| After plate 4 balances 60 minutes | 23 | 45 | 55 | 81 | 103 | 148 | 188 |
| After plate 5 balances 60 minutes | 20 | 41 | 48 | 76 | 98 | 130 | 175 |
| After plate 6 balances 60 minutes | 21 | 42 | 49 | 77 | 99 | 132 | 176 |
| After plate 7 balances 60 minutes | 23 | 49 | 52 | 80 | 100 | 135 | 185 |
| After plate 8 balances 60 minutes | 24 | 47 | 54 | 81 | 103 | 141 | 188 |
Can clearly show that from table 1 the aluminium base temperature scribbling thermal dispersant coatings of the present invention is all far below being not coated with thermal dispersant coatings
Aluminium base, illustrate that thermal dispersant coatings of the present invention has good radiating effect.
Thermal dispersant coatings of the present invention combination, reasonable mixture ratio, good heat dissipation effect；Dispel the heat in thermal dispersant coatings formula of the present invention filler
Composition and ratio is reasonable, the area of dissipation of the effective film layer adding formation, so that the radiating effect of thermal dispersant coatings of the present invention
It is obviously improved.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry
The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent defines.
Claims (9)
1. a LED for high efficiency and heat radiation, including lamp housing (1), is provided with installation base plate (2) on described lamp housing (1), and its feature exists
In: in described installation base plate (2), it is provided with groove (3), is provided with the installation running through installation base plate (2) in described groove (3) bottom
Hole (4), is provided with LED chip assembly (5) in described installing hole (4), described groove (3) opening part be provided with can close described recessed
The conductive graphite sheet (6) of groove (3), is filled with cooling oil (7) in the cavity that described groove (3) and conductive graphite sheet surround,
It is provided with radiator (8) in described lamp housing (1), in described radiator (8), is provided with oil cooling service pipe (9), described oil cooling service pipe (9)
Two ends are connected with cavity thus constitute primary Ioops, are provided with oil pump (10) on described oil cooling service pipe (9), in described lamp housing (1)
It is provided with aerofluxus installing hole (4), in described aerofluxus installing hole (4), is provided with exhaust fan device (11).
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that at described lamp housing (1) along length side
To opposite end on be respectively equipped with exhaust fan device (11).
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that at described lamp housing (1) along length side
To two sides on be respectively equipped with radiator (8).
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that be provided with temperature in described groove (3)
Degree probe (13), is provided with controller (14), described temperature probe (13), exhaust fan device (11), oil pump in described lamp housing (1)
It is connected with controller (14) respectively.
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that described radiator (8) includes scattered
Hot device body (81), is arranged at intervals with some radiating fins at described radiator body (81) inner vertical in lamp housing length direction
(82), described oil cooling service pipe (9) runs through described radiating fin (82) along lamp housing (1) length direction.
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that described LED chip assembly (5) includes
Having aluminium base (51), be welded with LED chip (52) on described aluminium base (51) one end, described aluminium base (51) other end is arranged
In groove (3).
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that exhaust fan device (11) includes circle
Tubular mounting seat (111), is provided with several ventilative slotted eyes (112), at described circle on described cylindrical shape mounting seat (111) outer wall
Tubular mounting seat (111) one end is provided with motor mount (113), is provided with motor on described motor mount (113)
(114), the motor shaft of described motor (114) is provided with Vane wheel (115).
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that in described radiator (8) and cooling
It is respectively equipped with thermal dispersant coatings on oil pipe (9) outer wall.
The LED of a kind of high efficiency and heat radiation the most according to claim 1, it is characterised in that described thermal dispersant coatings, by weight
Including following components:
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Citations (5)
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|---|---|---|---|---|
| US20090175045A1 (en) * | 2008-01-08 | 2009-07-09 | Ching-Hang Shen | Heat dissipating structure for light emitting diodes |
| CN102401295A (en) * | 2011-11-18 | 2012-04-04 | 林勇 | Water-cooled radiating light emitting diode (LED) street lamp |
| US20140078737A1 (en) * | 2012-09-18 | 2014-03-20 | Kuo-Jen Lin | Active heat dissipating light emitting diode illumination lamp |
| CN105043150A (en) * | 2015-08-28 | 2015-11-11 | 中山市绿涛电子科技有限公司 | Expandable cooler |
| CN205372479U (en) * | 2015-11-27 | 2016-07-06 | 重庆众恒电器有限公司 | Heat radiator for large -scale LED lamp |
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2016
- 2016-08-03 CN CN201610633909.XA patent/CN106287264B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090175045A1 (en) * | 2008-01-08 | 2009-07-09 | Ching-Hang Shen | Heat dissipating structure for light emitting diodes |
| CN102401295A (en) * | 2011-11-18 | 2012-04-04 | 林勇 | Water-cooled radiating light emitting diode (LED) street lamp |
| US20140078737A1 (en) * | 2012-09-18 | 2014-03-20 | Kuo-Jen Lin | Active heat dissipating light emitting diode illumination lamp |
| CN105043150A (en) * | 2015-08-28 | 2015-11-11 | 中山市绿涛电子科技有限公司 | Expandable cooler |
| CN205372479U (en) * | 2015-11-27 | 2016-07-06 | 重庆众恒电器有限公司 | Heat radiator for large -scale LED lamp |
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