CN106247226A - A kind of collecting lens and light fixture - Google Patents

A kind of collecting lens and light fixture Download PDF

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Publication number
CN106247226A
CN106247226A CN201610756836.3A CN201610756836A CN106247226A CN 106247226 A CN106247226 A CN 106247226A CN 201610756836 A CN201610756836 A CN 201610756836A CN 106247226 A CN106247226 A CN 106247226A
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CN
China
Prior art keywords
described
short slot
body
provided
cone shape
Prior art date
Application number
CN201610756836.3A
Other languages
Chinese (zh)
Inventor
吴素娟
Original Assignee
中山诺顿科研技术服务有限公司
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Priority to CN2015105482325 priority Critical
Priority to CN201510548232.5A priority patent/CN105043150A/en
Application filed by 中山诺顿科研技术服务有限公司 filed Critical 中山诺顿科研技术服务有限公司
Publication of CN106247226A publication Critical patent/CN106247226A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/78Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with helically or spirally arranged fins or blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89Metals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The invention discloses a kind of collecting lens and light fixture, these lens include circular cone shape lenticular body, it is provided with frustum of a cone short slot in described circular cone shape lenticular body upper end, described frustum of a cone short slot upper bottom surface is completely superposed with the upper bottom surface of circular cone shape lenticular body, it is provided with concave lens body in described frustum of a cone short slot bottom surface correspondence circular cone shape lenticular body, it is provided with compound short slot in described circular cone shape lenticular body bottom, described compound short slot is made up of the cone short slot of top and the cylinder short slot of lower section, the bottom surface of described cone short slot is completely superposed with the upper surface of cylinder short slot, described circular cone shape lenticular body outer wall is provided with light tight reflecting layer.The invention aims to overcome weak point of the prior art, it is provided that a kind of lens for LED;It is a further object to provide a kind of employing said lens, the light fixture of good heat dissipation effect length in service life.

Description

A kind of collecting lens and light fixture

Technical field

The present invention relates to a kind of collecting lens, the invention still further relates to a kind of light fixture using said lens.

Background technology

Being currently used for the lens of LED, due to the defect in design, its light efficiency is the most not ideal;The most existing LED Lamp typically uses the radiator heat-dissipation of solid shape, in order to strengthen area of dissipation, and heat radiation of typically gathering on the outer wall of radiator Fin, but in radiation processes, heat-dense is at radiator outer wall, and radiating effect is not ideal, thus has had a strong impact on it and used Life-span.The volume of the radiator being currently used for LED is relatively large, needs bigger memory space, increases cost of transportation.

So existing lens and light fixture need to be further improved.

Summary of the invention

The invention aims to overcome weak point of the prior art, it is provided that a kind of lens for LED;

It is a further object to provide a kind of employing said lens, the light fixture of good heat dissipation effect length in service life.

In order to achieve the above object, the present invention uses below scheme:

A kind of collecting lens, it is characterised in that: include circular cone shape lenticular body, in described circular cone shape lenticular body upper end Being provided with frustum of a cone short slot, described frustum of a cone short slot upper bottom surface is completely superposed, at described circle with the upper bottom surface of circular cone shape lenticular body It is provided with concave lens body in frustum short slot bottom surface correspondence circular cone shape lenticular body, is provided with in described circular cone shape lenticular body bottom Compound short slot, described compound short slot is made up of the cone short slot of top and the cylinder short slot of lower section, described cone short slot The upper surface of bottom surface and cylinder short slot be completely superposed, described circular cone shape lenticular body outer wall is provided with light tight reflection Layer.

One light fixture of the present invention, includes radiator, and end is provided with mounting groove on a heat sink, it is characterised in that: described It is provided with pcb board in mounting groove, described pcb board is provided with LED lamp bead, be provided with lens, described lens in described radiator upper end Include circular cone shape lenticular body, be provided with frustum of a cone short slot in described circular cone shape lenticular body upper end, on described frustum of a cone short slot Bottom surface is completely superposed with the upper bottom surface of circular cone shape lenticular body, in described frustum of a cone short slot bottom surface correspondence circular cone shape lenticular body Inside being provided with concave lens body, be provided with compound short slot in described circular cone shape lenticular body bottom, described compound short slot is by the circle of top The cylinder short slot composition of cone short slot and lower section, the bottom surface of described cone short slot is the heaviest with the upper surface of cylinder short slot Closing, be provided with light tight reflecting layer on described circular cone shape lenticular body outer wall, described LED lamp bead is arranged in compound short slot.

A kind of light fixture as above, it is characterised in that described radiator includes radiating cylinder body, at described radiating cylinder body Outer wall is provided with some radiating fins, is provided with the radiator body that can rotate relative to radiating cylinder body in described radiating cylinder body, Being provided with cavity in described radiator body, the inner wall even distribution at described radiator body has radiating fin, at described radiator Body outer wall is provided with multiple heat radiation thin slice can crispaturaed on radiator body, is provided with multiple guiding on described radiating cylinder body Groove, described heat radiation thin slice is arranged in described gathering sill.

A kind of light fixture as above, it is characterised in that inwall is provided with connection concave station in described radiating cylinder body upper end, in institute Stating radiator body upper end and be provided with connection boss, described connection boss is movably arranged in connection concave station, and described mounting groove is arranged Connecting on boss.

A kind of light fixture as above, it is characterised in that be provided with in described radiator body end and can order about radiator body The knob rotated.

A kind of light fixture as above, it is characterised in that be communicated with inside and outside radiating cylinder body on described radiating cylinder body outer wall Louvre.

A kind of light fixture as above, it is characterised in that described gathering sill runs through the upper end of radiating cylinder body.

A kind of light fixture as above, it is characterised in that described heat radiation thin slice is one-body molded with radiator body.

In sum, relative to prior art, it provides the benefit that the present invention:

Present configuration is simple, and the heat radiation thin slice tensible on radiator body, effective increasing heat radiation area, heat It is delivered to away from expandable type radiator, thus is greatly improved radiating effect.The thin slice that dispels the heat in the present invention can be crispaturaed at radiator Body outer wall, thus reduce volume, it is simple to deposit and transport.

Lens design of the present invention is unique, and light efficiency is good.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of lens of the present invention;

Fig. 2 is the generalized section of light fixture of the present invention;

Fig. 3 is the schematic perspective view of radiator of the present invention;

Fig. 4 is the schematic cross-section of radiator of the present invention.

Detailed description of the invention

Below in conjunction with detailed description of the invention, the invention will be further described:

If Fig. 1 is to collecting lens a kind of shown in 2, include circular cone shape lenticular body 10, in described circular cone shape lenticular body 10 upper ends are provided with frustum of a cone short slot 20, and described frustum of a cone short slot 20 upper bottom surface is the heaviest with the upper bottom surface of circular cone shape lenticular body 10 Close, in described frustum of a cone short slot 20 bottom surface correspondence circular cone shape lenticular body 10, be provided with concave lens body 30, at the described frustum of a cone Being provided with compound short slot 40 in shape lenticular body 10 bottom, described compound short slot 40 is by the cone short slot 401 of top and the circle of lower section Cylinder short slot 402 forms, and the bottom surface of described cone short slot 401 is completely superposed with the upper surface of cylinder short slot 402, described Circular cone shape lenticular body 10 outer wall is provided with light tight reflecting layer 50.

As in Figure 2-4, one light fixture of the present invention, include radiator 100, be provided with mounting groove in radiator 100 upper end 101, in described mounting groove 101, it is provided with pcb board 102, described pcb board 102 is provided with LED lamp bead 103, at described radiator 100 upper ends are provided with lens, and described lens include circular cone shape lenticular body 10, are provided with in described circular cone shape lenticular body 10 upper end Frustum of a cone short slot 20, described frustum of a cone short slot 20 upper bottom surface is completely superposed, described with the upper bottom surface of circular cone shape lenticular body 10 It is provided with concave lens body 30, in described circular cone shape lenticular body 10 in frustum of a cone short slot 20 bottom surface correspondence circular cone shape lenticular body 10 Compound short slot 40 it is provided with, the described compound short slot 40 cone short slot 401 by top and the cylinder short slot 402 of lower section in bottom Composition, the bottom surface of described cone short slot 401 is completely superposed with the upper surface of cylinder short slot 402, saturating at described circular cone shape Mirror body 10 outer wall is provided with light tight reflecting layer 50, and described LED lamp bead 103 is arranged in compound short slot 40.

Radiator 100 of the present invention includes radiating cylinder body 1, is provided with some heat radiations on described radiating cylinder body 1 outer wall Fin 11, is provided with the radiator body 2 that can rotate relative to radiating cylinder body 1, described radiator master in described radiating cylinder body 1 Being provided with cavity 21 in body 2, the inner wall even distribution at described radiator body 2 has radiating fin 11, at described radiator body 2 outer wall It is provided with multiple heat radiation thin slice 3 can crispaturaed on radiator body 2, described radiating cylinder body 1 is provided with multiple gathering sill 4, Described heat radiation thin slice 3 is arranged in described gathering sill 4.

The present invention is provided with connection concave station 5 at described radiating cylinder body 1 upper end inwall, sets in described radiator body 2 upper end Having connection boss 6, described connection boss 6 is movably arranged in connection concave station 5, and described mounting groove 101 is arranged on connection boss 6 On.The partial heat of radiator body 2 is delivered to radiating cylinder body 1 by connecting boss 6, thus strengthens radiating effect.

Heretofore described lampshade 103 includes cover body 1031, is provided with card T-Ring 1032, institute in described cover body 1031 lower end State card T-Ring 1032 to be connected to connect on boss 6 outer ledge bottom surface.

The present invention is provided with in described radiator body 2 end and can order about the knob 7 that radiator body 2 rotates.This The stretching, extension of heat radiation thin slice 3 can be controlled by rotary knob portion 7 in bright and crispatura.

The present invention is communicated with the louvre 8 inside and outside radiating cylinder body 1 on described radiating cylinder body 1 outer wall.Described dissipates Hot hole 8 is conducive to heat exchange inside and outside radiating cylinder body 1, improves radiating effect.

Heretofore described gathering sill 4 runs through the upper end of radiating cylinder body 1.Radiating cylinder body 1 and heat radiation thin slice 3 install time Waiting, only need to be placed sequentially in gathering sill 4 by heat radiation thin slice 3, then rotation heat sink main body 2 makes heat radiation thin slice 3 crispatura storage On radiator body 2, the present invention can arrange limited block in heat radiation thin slice 3 end, prevent heat radiation thin slice 3 from excessively crispaturaing.

The present invention is provided with connecting portion 9 in described radiating cylinder body 1 lower end, the present invention is provided with on described connecting portion 9 scattered Hot hole 8.Good heat dissipation effect.

Heretofore described heat radiation thin slice 3 is one-body molded with radiator body 2.

The present invention is arranged with bearing on described connection boss 6 outer wall.

The one of which implementation of the present invention, described radiator body 2 and heat radiation thin slice 3 are by foam aluminium alloy material Material is made, and described foamed Al-allov is the most composed of the following components:

Aluminium sesquioxide 10-45%

Zinc oxide 15-30%

Magnesium powder 5-35%

Graphite 8-30%.

Embodiment 1

Foamed Al-allov of the present invention is the most composed of the following components:

Aluminium sesquioxide 10%

Zinc oxide 30%

Magnesium powder 35%

Graphite 25%.

Embodiment 2

Foamed Al-allov of the present invention is the most composed of the following components:

Aluminium sesquioxide 10%

Zinc oxide 25%

Magnesium powder 35%

Graphite 30%.

Embodiment 3

Foamed Al-allov of the present invention is the most composed of the following components:

Aluminium sesquioxide 45%

Zinc oxide 15%

Magnesium powder 10%

Graphite 30%.

Embodiment 4

Foamed Al-allov of the present invention is the most composed of the following components:

Aluminium sesquioxide 45%

Zinc oxide 25%

Magnesium powder 5%

Graphite 25%.

Heretofore described radiator body 2 and heat radiation thin slice 3 can also be aluminium alloy or copper.

The present invention is coated with thermal dispersant coatings on described radiator outer wall, effectively strengthens the radiating effect of radiator.This Invention thermal dispersant coatings includes following components by weight:

The invention is further illustrated by the following examples thermal dispersant coatings:

Embodiment 1

Thermal dispersant coatings of the present invention includes following components by weight:

The organic siliconresin of modified Nano particle is prepared by the following method:

A, take MTES 40 weight portion, add in 600 parts of water, add the Catalyzed by Formic Acid of 0.06 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 8 weight portions, titanate catalyst 0.1 weight Amount part and ethyl acetate 10 weight portion mix homogeneously, under the protection of argon, be heated to 100 DEG C of dehydration condensations 1 hour, Modified organic silicone resin;

C, the modified organic silicone resin in step B is warming up to 75 DEG C, adds 2 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.

Wherein said polyether-containing aminopolysiloxane is prepared as follows method, comprises the steps:

S1: equipped with agitator, condensing tube, thermometer there-necked flask in, add 300 weight portion prestox ring four silica Alkane, stirring, it is warming up to 100 DEG C, adds catalyst Tetramethylammonium hydroxide 0.15 weight portion, be incubated 20min, add coupling agent N- β (aminoethyl)-γ-aminopropyltriethoxy dimethoxy silane 18 weight portion, temperature control 100 DEG C, 6 hours, obtain amido silicon oil;

S2: equipped with agitator, condensing tube, thermometer there-necked flask in, add 180 weight portion steps A synthesis amino Silicone oil, 130 parts by weight of activated polyethers, 90 parts by weight of isopropyl alcohol, at 70 DEG C, carry out back flow reaction, to reactant transparent after, followed by Continuation of insurance temperature 4 hours, finally under the conditions of 0.005MPa, cooling decompression sloughs isopropanol, to obtain final product.

The CNT of described surface hydroxylation is prepared by the following method:

Multi-walled carbon nano-tubes is mixed by weight the ratio for 1:20 with potassium hydroxide by ball grinder, adds appropriate second Alcohol, ball milling, after 12 hours, is washed with deionized to neutrality, obtains compound, is put into by compound in vacuum drying oven at 100 DEG C It is dried 12 hours, to obtain final product.

Described solvent is dimethylbenzene and the methyl iso-butyl ketone (MIBK) mixture according to weight ratio 2:1.

The preparation method of heat radiation coating of the present invention:

By epoxy resin, acrylic resin, comprise the organic siliconresin of modified Nano particle, solvent mixing after, be warming up to 40 DEG C stir, and add the CNT of surface hydroxylation, polyether-containing aminopolysiloxane, Al-Mg alloy powder, aluminium nitride, stirring Uniform mixture, adds in paint grinder mill be ground to 30-50 μm by described mixture, and ultrasonic disperse is uniform, adds poly-vinegar Vinyl acetate stirs.

Embodiment 2

Thermal dispersant coatings of the present invention includes following components by weight:

The organic siliconresin of modified Nano particle is prepared by the following method:

A, take MTES 60 weight portion, add in 900 parts of water, add the Catalyzed by Formic Acid agent of 0.8 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 18 weight portions, titanate catalyst 0.6 Weight portion and ethyl acetate 25 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 95 DEG C, adds 14 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.

Wherein said polyether-containing aminopolysiloxane is prepared as follows method, comprises the steps:

S1: equipped with agitator, condensing tube, thermometer there-necked flask in, add 500 weight portion prestox ring four silica Alkane, stirring, it is warming up to 125 DEG C, adds catalyst Tetramethylammonium hydroxide 0.35 weight portion, be incubated 40min, add coupling agent N- β (aminoethyl)-γ-aminopropyltriethoxy dimethoxy silane 22 weight portion, temperature control 125 DEG C, 6 hours, obtain amido silicon oil;

S2: equipped with agitator, condensing tube, thermometer there-necked flask in, add 220 weight portion steps A synthesis amino Silicone oil, 180 parts by weight of activated polyethers, 120 parts by weight of isopropyl alcohol, at 95 DEG C, carry out back flow reaction, to reactant transparent after, then Continuing insulation 6 hours, finally under the conditions of 0.01MPa, cooling decompression sloughs isopropanol, to obtain final product.

The CNT of described surface hydroxylation is prepared by the following method:

Multi-walled carbon nano-tubes is mixed by weight the ratio for 1:30 with potassium hydroxide by ball grinder, adds appropriate second Alcohol, ball milling, after 24 hours, is washed with deionized to neutrality, obtains compound, is put into by compound in vacuum drying oven at 130 DEG C It is dried 16 hours, to obtain final product.

Described solvent is dimethylbenzene and the methyl iso-butyl ketone (MIBK) mixture according to weight ratio 2:1.

The preparation method of heat radiation coating of the present invention:

By epoxy resin, acrylic resin, comprise the organic siliconresin of modified Nano particle, solvent mixing after, be warming up to 50 DEG C stir, and add the CNT of surface hydroxylation, polyether-containing aminopolysiloxane, Al-Mg alloy powder, aluminium nitride, stirring Uniform mixture, adds in paint grinder mill be ground to 30-50 μm by described mixture, and ultrasonic disperse is uniform, adds poly-vinegar Vinyl acetate stirs.

Embodiment 3

Thermal dispersant coatings of the present invention includes following components by weight:

The organic siliconresin of modified Nano particle is prepared by the following method:

A, take MTES 50 weight portion, add in 750 parts of water, add the Catalyzed by Formic Acid agent of 0.3 weight portion, Hydrolyzing 3 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 12 weight portions, titanate catalyst 0.3 Weight portion and ethyl acetate 15 weight portion mix homogeneously, under the protection of argon, be heated to 110 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.

Wherein said polyether-containing aminopolysiloxane is prepared as follows method, comprises the steps:

S1: equipped with agitator, condensing tube, thermometer there-necked flask in, add 400 weight portion prestox ring four silica Alkane, stirring, it is warming up to 110 DEG C, adds catalyst Tetramethylammonium hydroxide 0.25 weight portion, be incubated 30min, add coupling agent N- β (aminoethyl)-γ-aminopropyltriethoxy dimethoxy silane 20 weight portion, temperature control 110 DEG C, 6 hours, obtain amido silicon oil;

S2: equipped with agitator, condensing tube, thermometer there-necked flask in, add 180-220 weight portion step A synthesis Amido silicon oil, the parts by weight of activated polyethers of 130-180,90-120 parts by weight of isopropyl alcohol, at 70~95 DEG C, carry out back flow reaction, extremely After reactant is transparent, being further continued for insulation 4-6 hour, finally under the conditions of 0.005-0.01MPa, cooling decompression sloughs isopropanol, i.e. ?.

The CNT of described surface hydroxylation is prepared by the following method:

Multi-walled carbon nano-tubes is mixed by weight the ratio for 1:25 with potassium hydroxide by ball grinder, adds appropriate second Alcohol, ball milling, after 18 hours, is washed with deionized to neutrality, obtains compound, is put into by compound in vacuum drying oven at 120 DEG C It is dried 14 hours, to obtain final product.

Described solvent is dimethylbenzene and the methyl iso-butyl ketone (MIBK) mixture according to weight ratio 2:1.

The preparation method of heat radiation coating of the present invention:

By epoxy resin, acrylic resin, comprise the organic siliconresin of modified Nano particle, solvent mixing after, be warming up to 45 DEG C stir, and add the CNT of surface hydroxylation, polyether-containing aminopolysiloxane, Al-Mg alloy powder, aluminium nitride, stirring Uniform mixture, adds in paint grinder mill be ground to 30-50 μm by described mixture, and ultrasonic disperse is uniform, adds poly-vinegar Vinyl acetate stirs.

Embodiment 4

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 5

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 6

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 7

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 8

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 9

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 10

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 11

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 12

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

Embodiment 13

Thermal dispersant coatings of the present invention includes following components by weight:

The wherein organic siliconresin of modified Nano particle, polyether-containing aminopolysiloxane, solvent and heat radiation coating of the present invention Preparation method the most in the same manner as in Example 3.

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 (8)

1. a collecting lens, it is characterised in that: include circular cone shape lenticular body (10), in described circular cone shape lenticular body (10) upper end is provided with the upper end of frustum of a cone short slot (20), described frustum of a cone short slot (20) upper bottom surface and circular cone shape lenticular body (10) Face is completely superposed, and is provided with concave lens body in described frustum of a cone short slot (20) bottom surface correspondence circular cone shape lenticular body (10) (30), being provided with compound short slot (40) in described circular cone shape lenticular body (10) bottom, described compound short slot (40) is by top Cylinder short slot (402) composition of cone short slot (401) and lower section, the bottom surface of described cone short slot (401) and cylinder The upper surface of short slot (402) is completely superposed, and is provided with light tight reflecting layer (50) on described circular cone shape lenticular body (10) outer wall.
2. a light fixture, includes radiator (100), is provided with mounting groove (101) in radiator (100) upper end, it is characterised in that: In described mounting groove (101), it is provided with pcb board (102), described pcb board (102) is provided with LED lamp bead (103), dissipate described Hot device (100) upper end is provided with lens, and described lens include circular cone shape lenticular body (10), in described circular cone shape lenticular body (10) upper end is provided with the upper end of frustum of a cone short slot (20), described frustum of a cone short slot (20) upper bottom surface and circular cone shape lenticular body (10) Face is completely superposed, and is provided with concave lens body in described frustum of a cone short slot (20) bottom surface correspondence circular cone shape lenticular body (10) (30), being provided with compound short slot (40) in described circular cone shape lenticular body (10) bottom, described compound short slot (40) is by top Cylinder short slot (402) composition of cone short slot (401) and lower section, the bottom surface of described cone short slot (401) and cylinder The upper surface of short slot (402) is completely superposed, and is provided with light tight reflecting layer (50) on described circular cone shape lenticular body (10) outer wall, Described LED lamp bead (103) is arranged in compound short slot (40).
A kind of light fixture the most according to claim 2, it is characterised in that described radiator (100) includes radiating cylinder body (1), Being provided with some radiating fins (11) on described radiating cylinder body (1) outer wall, being provided with in described radiating cylinder body (1) can be relative to dissipating The radiator body (2) that hot cylinder (1) rotates, is provided with cavity (21) in described radiator body (2), described radiator master The inner wall even distribution of body (2) has radiating fin (11), is provided with multiple can crispaturaing at radiator on described radiator body (2) outer wall Heat radiation thin slice (3) in main body (2), is provided with multiple gathering sill (4) on described radiating cylinder body (1), and described heat radiation thin slice (3) sets Put in described gathering sill (4).
A kind of light fixture the most according to claim 3, it is characterised in that inwall is provided with connection in described radiating cylinder body (1) upper end Concave station (5), is provided with connection boss (6) in described radiator body (2) upper end, and described connection boss (6) is movably arranged on connection In concave station (5), described mounting groove (101) is arranged in connection boss (6).
A kind of light fixture the most according to claim 3, it is characterised in that be provided with can order about in described radiator body (2) end The knob (7) that radiator body (2) rotates.
A kind of light fixture the most according to claim 3, it is characterised in that be communicated with dissipating on described radiating cylinder body (1) outer wall Louvre (8) inside and outside hot cylinder (1).
A kind of light fixture the most according to claim 3, it is characterised in that described gathering sill (4) runs through radiating cylinder body (1) Upper end.
A kind of light fixture the most according to claim 3, it is characterised in that described heat radiation thin slice (3) and radiator body (2) Body formed.
CN201610756836.3A 2015-08-28 2016-08-28 A kind of collecting lens and light fixture CN106247226A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2015105482325 2015-08-28
CN201510548232.5A CN105043150A (en) 2015-08-28 2015-08-28 Expandable cooler

Publications (1)

Publication Number Publication Date
CN106247226A true CN106247226A (en) 2016-12-21

Family

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Family Applications (149)

Application Number Title Priority Date Filing Date
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Application Number Title Priority Date Filing Date
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Application publication date: 20161221