CN106195781B - A kind of watertight light fitting of excellent radiation performance - Google Patents
A kind of watertight light fitting of excellent radiation performance Download PDFInfo
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- CN106195781B CN106195781B CN201610633827.5A CN201610633827A CN106195781B CN 106195781 B CN106195781 B CN 106195781B CN 201610633827 A CN201610633827 A CN 201610633827A CN 106195781 B CN106195781 B CN 106195781B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
-
- 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
-
- 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
- F21V31/00—Gas-tight or water-tight 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of watertight light fittings of excellent radiation performance, including retainer plate, install glass lens inside the retainer plate additional, and the retainer plate is fixedly connected by internal screw thread with the external screw thread on mounting base top, the mounting base inner wall setting First terrace and second step face, reflector is successively installed on the First terrace, drive circuit board and graphite plate, the surface of the drive circuit board is uniformly arranged LED bulb, and the LED bulb runs through the through-hole of reflective plate surface, and the driving circuit intralamellar part is equipped with temperature sensor, heat sink and fixed ring are successively installed on the second step face, one side setting heat dissipation grid of the heat sink far from graphite plate, the heat dissipation grid attaches heat dissipation copper pipe from surface, the heat dissipation copper pipe is connect by pipeline with water pump, the water pump is fixedly connected with mounting base, The fixed ring is connect by bolt with mounting base, which has excellent heat dissipation performance, while having both waterproof ability.
Description
Technical field
The present invention relates to technical field of lamps, specially a kind of watertight light fitting of excellent radiation performance.
Background technique
With the development of urban beautification, more and more outdoor lightings are used, especially high-power illumination equipment
Usage amount it is especially more, but since outdoor environment is more changeable, so the test to lamps and lanterns is larger, should guarantee that equipment is anti-
Water will not guarantee that equipment will not be because for a long time because the problems such as short circuit, guaranteeing that equipment has good thermal diffusivity caused by rainwater again
The phenomenon that work causes temperature excessively high and burns out, but existing lamps and lanterns cannot have both the spy of waterproof and superior heat radiation simultaneously mostly
Property, so the scene that environment cannot be suitble to more changeable, for this purpose, it is proposed that a kind of watertight light fitting of excellent radiation performance.
Summary of the invention
The purpose of the present invention is to provide a kind of watertight light fittings of excellent radiation performance, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of watertight light fitting of excellent radiation performance, including
Retainer plate, the retainer plate inside installs glass lens additional, and the retainer plate passes through the external screw thread of internal screw thread and mounting base top
It is fixedly connected, the mounting base inner wall setting First terrace and second step face, successively installation is anti-on the First terrace
Tabula rasa, drive circuit board and graphite plate, the surface of the drive circuit board is uniformly arranged LED bulb, and the LED bulb runs through
The through-hole of reflective plate surface, and the driving circuit intralamellar part is equipped with temperature sensor, successively installs on the second step face
Heat sink and fixed ring, one side setting heat dissipation grid of the heat sink far from graphite plate, the heat dissipation grid are pasted from surface
Attached heat dissipation copper pipe, the heat dissipation copper pipe are connect by pipeline with water pump, and the water pump is fixedly connected with mounting base, the fixed ring
It is connect by bolt with mounting base, the water pump and temperature sensor are connect by conducting wire with controller, and the controller is located at
Driving circuit intralamellar part is equipped with thermal dispersant coatings on the heat sink outer wall.
Preferably, water proof ring is installed additional between heat sink and second step face between the glass lens and retainer plate.
Preferably, silica gel patch, and the graphite plate are installed between the reflector and graphite plate and drive circuit board additional
Thermal grease is filled between heat sink and silica gel patch.
Preferably, fountain head, and retainer plate inner wall one end corresponding with fountain head is arranged in one end of the retainer plate inner wall
Water hole is set, and the fountain head is connect with controller.
Preferably, the reflector is made of Heat Conduction Material, and water of radiation pipeline, the heat dissipation are arranged inside reflector
Waterpipe is connect by pipeline with water pump.
Compared with prior art, the beneficial effects of the present invention are: the invention device using cleverly structure realize waterproof and
It is taken into account while heat dissipation, the airtightness inside equipment is effectively ensured by the way of installing waterproof ring additional, prevents external water source from entering
Inside equipment, lower equipment short circuit probability, and add using increase heat sink and inside reflector doing for heat dissipation aquaporin
Method realizes the heat dissipation to drive circuit board and LED bulb, and installs graphite plate inside equipment additional, facilitates balanced drive circuit
The temperature of plate each point prevents single point temperature excessively high, and installs silica gel patch additional in drive circuit board two sides, effectively prevent equipment
The problem of short circuit, while not influencing to radiate, and setting heat dissipation grid on heat sink, accelerate heat dissipation, and in heat dissipation grid
It installs heat dissipation copper pipe additional, facilitates equipment fast cooling, and the equipment installs fountain head and water hole additional inside retainer plate, has
Clear up the ability of lens surface spot and ponding.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1 retainer plate, 2 mounting bases, 3 glass lens, 4 fixed rings, 5 heat dissipation grid, 6 water pumps, 7 heat dissipation copper pipes, 8 dissipate
Hot plate, 9 graphite plates, 10 drive circuit boards, 11 silica gel patches, 12 LED bulbs, 13 reflectors, 14 fountain heads, 15 water holes, 16
Radiate aquaporin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of watertight light fitting of excellent radiation performance, including fixation
1 is enclosed, installs glass lens 3 inside retainer plate 1 additional, and retainer plate 1 passes through internal screw thread and the fixed company of the external screw thread on 2 top of mounting base
It connects, First terrace and second step face is arranged in 2 inner wall of mounting base, and reflector 13, driving electricity are successively installed on First terrace
Road plate 10 and graphite plate 9, the surface of drive circuit board 10 is uniformly arranged LED bulb 12, and LED bulb 12 runs through 13 table of reflector
The through-hole in face, and temperature sensor is equipped with inside drive circuit board 10, the surface temperature of real-time detection drive circuit board 10 helps
Different cooling methods is taken in equipment, heat sink 8 and fixed ring 4 is successively installed, heat sink 8 is far from graphite on second step face
The one side setting heat dissipation grid 5 of plate 9, increases heat dissipation area, accelerates heat dissipation, and heat dissipation grid 5 attaches heat dissipation copper pipe 7 from surface,
Heat dissipation copper pipe 7 is connect by pipeline with water pump 6, by way of water cooling, realizes the fast prompt drop heat of equipment, water pump 6 and mounting base 2
It being fixedly connected, fixed ring 4 is connect by bolt with mounting base 2, and water pump 6 and temperature sensor are connect by conducting wire with controller,
Controller is located inside drive circuit board 10, realizes the automation of equipment cooling, between glass lens 3 and retainer plate 1 and is radiated
Water proof ring is installed additional between plate 8 and second step face, is effectively increased the airtightness of equipment, is prevented external water from entering inside equipment,
It installs silica gel patch 11 between reflector 13 and graphite plate 9 and drive circuit board 10 additional, it is short-circuit to prevent equipment, while not influencing to set
Standby heat dissipation, and thermal grease is filled between graphite plate 9 and heat sink 8 and silica gel patch 11, guarantee graphite plate 9 and heat sink 8 and
The order of contact of silica gel patch 11, enables heat to be passed with maximum speed, guarantees the heat dissipation effect of equipment, 1 inner wall of retainer plate
One end fountain head 14 is set, and corresponding with fountain head 14 one end of 1 inner wall of retainer plate is arranged water hole 15, fountain head 14 with control
Device connection processed, realizes the timing decontamination function on 3 surface of equipment glass lens, and effectively prevent 3 surface area water of glass lens, instead
Tabula rasa 13 using Heat Conduction Material make, and inside reflector 13 be arranged water of radiation pipeline 16, water of radiation pipeline 16 by pipeline with
Water pump 6 connects, and the heat inside reflector 13 is taken away in such a way that water recycles, to realize the cooling to LED bulb 12.
The present invention is equipped with thermal dispersant coatings on 8 outer wall of heat sink.
It is further described below by way of composition of the specific embodiment to thermal dispersant coatings of the invention:
Embodiment 1
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 50 parts by weight of methyltriethoxysilane are taken, are added in 650- parts of water, the Catalyzed by Formic Acid of 0.05 parts by weight is added
Agent hydrolyzes 1 hour at 0 DEG C, is warming up to 70 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon
Resin；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 10 parts by weight, titanate catalyst 0.2
Parts by weight and 12 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 3 parts of silester is added and react 1 hour, reaction knot
Cool down after beam, vacuum distillation removes solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.02% carbon nanotube, 10% Nickel Aluminium Alloy Powder,
2% silver powder, 20% gallium nitride and 67.98% aluminium nitride composition.Wherein the carbon nanotube is handled by following methods:
Carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaning is to neutrality after 80 DEG C of acidification 2h
And it is dried in vacuo.
The auxiliary agent is 270 polyether silicone of wetting agent Digao.
Embodiment 2
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 80 parts by weight of methyltriethoxysilane are taken, are added in 950 parts of water, the Catalyzed by Formic Acid agent of 0.4 parts by weight is added,
It hydrolyzes 5 hours at 5 DEG C, is warming up to 90 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon tree
Rouge；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 20 parts by weight, titanate catalyst 0.8
Parts by weight and 22 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 12 parts of silester is added and react 2 hours, reaction
After cool down, vacuum distillation remove solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.2% carbon nanotube, 30% Nickel Aluminium Alloy Powder,
1.8% silver powder, 20% gallium nitride and 48% aluminium nitride composition.Wherein the carbon nanotube is handled by following methods:
Carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaning is to neutrality after 80 DEG C of acidification 2h
And it is dried in vacuo.
Wherein auxiliary agent described in 4 parts by weight includes 0.2 parts by weight wetting agent, 1 parts per weight dispersing agent, 2.8 parts by weight film forming
Auxiliary agent.The wetting agent is 270 polyether silicone of Digao, and the dispersing agent is BYK-190 dispersing agent, and the coalescing agent is
Lauryl Alcohol ester.
Embodiment 3
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 65 parts by weight of methyltriethoxysilane are taken, are added in 800 parts of water, the Catalyzed by Formic Acid agent of 0.2 parts by weight is added,
It is hydrolyzed 2 hours at 2 DEG C, is warming up to 80 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon tree
Rouge；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 15 parts by weight, titanate catalyst 0.5
Parts by weight and 16 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 5 parts of silester is added and react 1.5 hours, reaction
After cool down, vacuum distillation remove solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.1% carbon nanotube, 20% Nickel Aluminium Alloy Powder,
1% silver powder, 15% gallium nitride and 63.9% aluminium nitride composition.Wherein the carbon nanotube is handled by following methods:
Carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaning is to neutrality after 80 DEG C of acidification 2h
And it is dried in vacuo.
Wherein auxiliary agent described in 2 parts by weight includes 0.2 parts by weight wetting agent, 0.3 parts per weight dispersing agent, 1 parts by weight film forming
Auxiliary agent, 0.1 parts by weight defoaming agent, 0.4 parts by weight rheological agent.The wetting agent is 270 polyether silicone of Digao, the dispersion
Agent is BYK-190 dispersing agent, and the coalescing agent is Lauryl Alcohol ester, and the defoaming agent is BYK-014 defoaming agent, the rheology
Agent is 450 levelling agent of Digao.
Embodiment 4
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 50 parts by weight of methyltriethoxysilane are taken, are added in 950 parts of water, the Catalyzed by Formic Acid of 0.05 parts by weight is added
Agent hydrolyzes 1 hour at 0 DEG C, is warming up to 90 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon
Resin；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 10 parts by weight, titanate catalyst 0.2
Parts by weight and 15 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 3 parts of silester is added and react 1 hour, reaction knot
Cool down after beam, vacuum distillation removes solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.05% carbon nanotube, 30% Nickel Aluminium Alloy Powder,
0.55% silver powder, 10% gallium nitride and 59.4% aluminium nitride composition.Wherein the carbon nanotube is by following methods
Reason: carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaned after 80 DEG C of acidification 2h to
Neutrality is simultaneously dried in vacuo.
Wherein auxiliary agent described in 0.2 parts by weight is 0.05 wetting agent, 0.15 coalescing agent.The wetting agent is Digao
270 polyether silicones, the coalescing agent are Lauryl Alcohol ester.
Embodiment 5
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 60 parts by weight of methyltriethoxysilane are taken, are added in 700 parts of water, the Catalyzed by Formic Acid agent of 0.1 parts by weight is added,
It is hydrolyzed 2 hours at 1 DEG C, is warming up to 75 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon tree
Rouge；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 18 parts by weight, titanate catalyst 0.3
Parts by weight and 14 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 6 parts of silester is added and react 1.5 hours, reaction
After cool down, vacuum distillation remove solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.15% carbon nanotube, 30% Nickel Aluminium Alloy Powder,
0.5% silver powder, 5% gallium nitride and 64.35% aluminium nitride composition.Wherein the carbon nanotube is by following methods
Reason: carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaned after 80 DEG C of acidification 2h to
Neutrality is simultaneously dried in vacuo.
Wherein auxiliary agent described in 4 parts by weight be include 0.1 parts by weight wetting agent, 0.2 parts per weight dispersing agent, 2 parts by weight at
Film auxiliary agent, 0.3 parts by weight defoaming agent and 1.4 parts by weight rheological agents.The wetting agent is 270 polyether silicone of Digao, described
Dispersing agent is BYK-190 dispersing agent, and the coalescing agent is Lauryl Alcohol ester, and the defoaming agent is BYK-014 defoaming agent, described
Rheological agent is 450 levelling agent of Digao.
The anticorrosive packing is trbasic zinc phosphate.
Embodiment 6
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 70 parts by weight of methyltriethoxysilane are taken, are added in 800 parts of water, the Catalyzed by Formic Acid agent of 0.3 parts by weight is added,
It is hydrolyzed 3 hours at 3 DEG C, is warming up to 80 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon tree
Rouge；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 13 parts by weight, titanate catalyst 0.4
Parts by weight and 20 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 3 parts of silester is added and react 1 hour, reaction knot
Cool down after beam, vacuum distillation removes solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.2% carbon nanotube, 25% Nickel Aluminium Alloy Powder,
1% silver powder, 16% gallium nitride and 57.8% aluminium nitride composition.Wherein the carbon nanotube is handled by following methods:
Carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaning is to neutrality after 80 DEG C of acidification 2h
And it is dried in vacuo.
Wherein auxiliary agent described in 0.2 parts by weight is 0.1 parts by weight wetting agent, 0.1 parts per weight dispersing agent.The wetting agent
For 270 polyether silicone of Digao, the dispersing agent is BYK-190 dispersing agent.
The anticorrosive packing is the mixture of trbasic zinc phosphate, modified zinc phosphate.
Embodiment 7
Thermal dispersant coatings of the present invention include following components by weight:
Thermal dispersant coatings of the present invention are prepared by the following method, and are included the following steps:
A, by water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle,
Silica solution and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform.
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5
Hour, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds
400 parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, is cooled to 30 DEG C,
The triethylamine neutralization reaction of 85 parts by weight 15 minutes is added, 25 parts by weight N- methyl pyrrole network alkanones are added, react 0.5 at 50 DEG C
Hour, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, be added 1000 parts by weight of deionized water and
95 parts by weight trifluoroacetic acids are dispersed with stirring uniformly.
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 60 parts by weight of methyltriethoxysilane are taken, are added in 750 parts of water, the Catalyzed by Formic Acid agent of 0.2 parts by weight is added,
It is hydrolyzed 3 hours at 2 DEG C, is warming up to 75 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organosilicon tree
Rouge；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 13 parts by weight, titanate catalyst 0.3
Parts by weight and 18 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are 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, 12 parts of silester is added and react 2 hours, reaction
After cool down, vacuum distillation remove solvent to get the organic siliconresin comprising modified Nano particle.
Heretofore described heat filling by weight percentage by 0.02% carbon nanotube, 28% Nickel Aluminium Alloy Powder,
0.8% silver powder, 15% gallium nitride and 56.18% aluminium nitride composition.Wherein the carbon nanotube is by following methods
Reason: carbon nanotube is added to appropriate, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaned after 80 DEG C of acidification 2h to
Neutrality is simultaneously dried in vacuo.
Wherein auxiliary agent described in 2 parts by weight is 0.2 parts by weight wetting agent, 0.1 parts per weight dispersing agent, 1 parts by weight film forming help
Agent, 0.2 parts by weight defoaming agent and 0.5 parts by weight rheological agent.The wetting agent is 270 polyether silicone of Digao, the dispersion
Agent is BYK-190 dispersing agent, and the coalescing agent is Lauryl Alcohol ester, and the defoaming agent is BYK-014 defoaming agent, the rheology
Agent is 450 levelling agent of Digao.
Wherein anticorrosive packing described in 6 parts by weight includes 2 parts by weight of phosphoric acid zinc, 1 part by weight modified trbasic zinc phosphate and 3 parts by weight molybdenums
The mixture of sour zinc.
The heat dissipation performance of thermal dispersant coatings of the present invention is further verified by following tests:
8 pieces of aluminum substrates are taken 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, the surface plate 2-8 successively apply the thermal dispersant coatings in 1-7 of the embodiment of the present invention respectively, detect after solidification to its performance；By plate
1 is placed in heating plate to plate 8, is sequentially adjusted in temperature 50 C, 80 DEG C, 100 DEG C, 150 DEG C, 200 DEG C, 250 DEG C, and 300 DEG C, every time
After temperature adjustment, balance is further continued for being heated to next temperature for 60 minutes, records temperature using temperature measurer, the results are shown in Table 1, room temperature 25
℃。
Table 1
| Initial temperature DEG C | 50 | 80 | 100 | 150 | 200 | 250 | 300 |
| Plate 1 balances after sixty minutes | 38 | 65 | 78 | 121 | 155 | 198 | 243 |
| Plate 2 balances after sixty minutes | 26 | 50 | 58 | 83 | 110 | 160 | 201 |
| Plate 3 balances after sixty minutes | 22 | 48 | 56 | 80 | 105 | 149 | 190 |
| Plate 4 balances after sixty minutes | 23 | 45 | 55 | 81 | 103 | 148 | 188 |
| Plate 5 balances after sixty minutes | 20 | 41 | 48 | 76 | 98 | 130 | 175 |
| Plate 6 balances after sixty minutes | 21 | 42 | 49 | 77 | 99 | 132 | 176 |
| Plate 7 balances after sixty minutes | 23 | 49 | 52 | 80 | 100 | 135 | 185 |
| Plate 8 balances after sixty minutes | 24 | 47 | 54 | 81 | 103 | 141 | 188 |
It can clearly show that the aluminium base plate temperature for being coated with thermal dispersant coatings of the present invention is far below from table 1 and be not coated with thermal dispersant coatings
Aluminum substrate, illustrate thermal dispersant coatings of the present invention have good heat dissipation effect.
Thermal dispersant coatings of the present invention combine, proportion is reasonable, good heat dissipation effect；Radiate filler in thermal dispersant coatings formula of the present invention
Composition and ratio is reasonable, the effective heat dissipation area for increasing the film layer to be formed, to make the heat dissipation effect of thermal dispersant coatings of the present invention
It is obviously improved.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (5)
1. a kind of watertight light fitting of excellent radiation performance, including retainer plate (1), it is characterised in that: add inside the retainer plate (1)
Glaze lens (3), and the retainer plate (1) is fixedly connected by internal screw thread with the external screw thread on mounting base (2) top, the peace
Seat (2) inner wall setting First terrace and second step face are filled, reflector (13), driving are successively installed on the First terrace
The surface of circuit board (10) and graphite plate (9), the drive circuit board (10) is uniformly arranged LED bulb (12), and the LED light
The through-hole that (12) run through reflector (13) surface is steeped, and is equipped with temperature sensor inside the drive circuit board (10), described the
Heat sink (8) and fixed ring (4) are successively installed, the heat sink (8) dissipates far from the one side setting of graphite plate (9) on two step surfaces
Hot grid (5), heat dissipation grid (5) attach heat dissipation copper pipe (7) from surface, and the heat dissipation copper pipe (7) passes through pipeline and water
(6) connection is pumped, the water pump (6) is fixedly connected with mounting base (2), and the fixed ring (4) is connected by bolt and mounting base (2)
It connects, the water pump (6) and temperature sensor are connect by conducting wire with controller, and the controller is located in drive circuit board (10)
Portion is equipped with thermal dispersant coatings on the heat sink (8) outer wall, and thermal dispersant coatings include following components by weight:
Water-based acrylic resin 35
Polycarbonate waterborne polyurethane 10
Organic siliconresin 8 comprising modified Nano particle
Silica solution 10
Heat filling 10
Water 50
Auxiliary agent 0.2；
The thermal dispersant coatings are prepared by the following method, and are included the following steps:
A, water-based acrylic resin, polycarbonate waterborne polyurethane, the organic siliconresin comprising modified Nano particle, silicon is molten
Glue and water are mixed evenly；
B, heat filling, auxiliary agent are added while stirring, stirs evenly, resulting dispersion system；
C, the dispersion in step B is added in paint grinder mill and is ground to 30-50 μm, ultrasonic disperse is uniform；
Wherein the polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate glycol of 1000 parts by weight is added in the container of belt stirrer, is warming up to 90 DEG C, vacuum distillation 0.5 is small
When, 70 DEG C are cooled to, 280 parts by weight 2 are added, 4- toluene di-isocyanate(TDI) vacuum dehydration 0.5 hour, is passed through nitrogen, adds 400
Parts by weight enter isophorone diisocyanate, react 2 hours at 80 DEG C, and the acetone of 75 parts by weight is added, and are cooled to 30 DEG C, are added
25 parts by weight N- methyl pyrrole network alkanones are added in the triethylamine neutralization reaction of 85 parts by weight 15 minutes, and it is small that 0.5 is reacted at 50 DEG C
When, 80 parts by weight butanone and 145 parts by weight 1,4- butanediol are added, react 1 hour, 1000 parts by weight of deionized water and 95 are added
Parts by weight trifluoroacetic acid is dispersed with stirring uniformly；
Wherein the organic siliconresin comprising modified Nano particle is prepared by the following method:
A, 50 parts by weight of methyltriethoxysilane are taken, are added in 950 parts of water, the Catalyzed by Formic Acid agent of 0.05 parts by weight are added, 0
It is hydrolyzed 1 hour at DEG C, is warming up to 90 DEG C of progress polymerization reactions, is evaporated under reduced pressure after reaction, obtains organic siliconresin；
B, by organic siliconresin, the 1- Trifluoromethyl-1 in step A, 3 butadiene, 10 parts by weight, 0.2 weight of titanate catalyst
Part and 15 parts by weight of ethyl acetate are uniformly mixed, and under the protection of argon gas, are heated to 110 DEG C of dehydration condensations 1 hour, must be changed
Property organic siliconresin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, 3 parts of silester reactions 1 hour is added, after reaction
Cooling, vacuum distillation remove solvent to get the organic siliconresin comprising modified Nano particle；
The heat filling is by weight percentage by 0.05% carbon nanotube, 30% Nickel Aluminium Alloy Powder, 0.55% silver powder, 10%
Gallium nitride and 59.4% aluminium nitride composition；Wherein the carbon nanotube is handled by following methods: carbon nanotube being added suitable
Amount, the dense H of volume ratio 3: 12SO4With dense HNO3Nitration mixture in, cleaning to neutrality and is dried in vacuo after 80 DEG C of acidification 2h,
Wherein auxiliary agent described in 0.2 parts by weight is 0.05 wetting agent, 0.15 coalescing agent, and the wetting agent is poly- for Digao 270
Ether siloxanes, the coalescing agent are Lauryl Alcohol ester.
2. a kind of watertight light fitting of excellent radiation performance according to claim 1, it is characterised in that: the glass lens
(3) water proof ring is installed additional between heat sink (8) and second step face between retainer plate (1).
3. a kind of watertight light fitting of excellent radiation performance according to claim 1, it is characterised in that: the reflector (13)
It is installed additional between graphite plate (9) and drive circuit board (10) silica gel patch (11), and the graphite plate (9) and heat sink (8)
Thermal grease is filled between silica gel patch (11).
4. a kind of watertight light fitting of excellent radiation performance according to claim 1, it is characterised in that: the retainer plate (1)
Fountain head (14) are arranged in one end of inner wall, and retainer plate (1) inner wall one end setting water hole (15) corresponding with fountain head (14),
The fountain head (14) connect with controller.
5. a kind of watertight light fitting of excellent radiation performance according to claim 1, it is characterised in that: the reflector (13)
It is made of Heat Conduction Material, and water of radiation pipeline (16) is set inside reflector (13), the water of radiation pipeline (16) passes through pipe
Road is connect with water pump (6).
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| CN106838845A (en) * | 2017-01-24 | 2017-06-13 | 维沃移动通信有限公司 | A kind of terminal flash lamp design and mobile terminal |
| CN107179646A (en) * | 2017-07-11 | 2017-09-19 | 厦门富莱仕影视器材有限公司 | A kind of photography and vedio recording lamp of the paster lamp bead with lens |
| CN107489937A (en) * | 2017-09-15 | 2017-12-19 | 和鸿电气股份有限公司 | A kind of LED underground lamp on park meadow |
| CN107830507B (en) * | 2017-11-06 | 2020-04-28 | 上海华友金裕微电子有限公司 | Micro-groove group evaporative cooling device for LED lamp |
| CN108646468A (en) * | 2018-07-30 | 2018-10-12 | 深圳市兴中精密制品有限公司 | A kind of backlight support construction with excellent heat dispersion performance |
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| CN103214772A (en) * | 2012-01-18 | 2013-07-24 | 广西格润科技有限公司 | Novel heat-dissipation material and preparation method thereof |
| CN102878456B (en) * | 2012-09-07 | 2016-03-09 | 浙江中博光电科技有限公司 | A kind of high-power LED lamp module of chip on board |
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