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CN105255142A - European style LED wall lamp with high heat dissipation performance - Google Patents

European style LED wall lamp with high heat dissipation performance Download PDF

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Publication number
CN105255142A
CN105255142A CN201510728206.0A CN201510728206A CN105255142A CN 105255142 A CN105255142 A CN 105255142A CN 201510728206 A CN201510728206 A CN 201510728206A CN 105255142 A CN105255142 A CN 105255142A
Authority
CN
China
Prior art keywords
add
heat dissipation
weight
led
wall lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510728206.0A
Other languages
Chinese (zh)
Inventor
马骏康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Siwei Home Lighting Co Ltd
Original Assignee
Zhongshan Siwei Home Lighting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Siwei Home Lighting Co Ltd filed Critical Zhongshan Siwei Home Lighting Co Ltd
Priority to CN201510728206.0A priority Critical patent/CN105255142A/en
Publication of CN105255142A publication Critical patent/CN105255142A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/061—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a non-rigid pendant, i.e. a cable, wire or chain
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/004—Lighting devices intended to be free-standing with a lamp housing in direct contact with the floor or ground
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/063—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a rigid pendant, i.e. a pipe or rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
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    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
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    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/081—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light
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    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/065—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension multi-branched, e.g. a chandelier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633—Compounds of group C08G18/42
    • C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
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    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • 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
    • 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
    • F21V19/0015—Fastening arrangements intended to retain 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
    • 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
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/104—Pendants
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
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    • B29C2948/92209—Temperature
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Abstract

The invention discloses a European style LED wall lamp with high heat dissipation performance. The European style LED wall lamp comprises a fixed seat, lamp arms, lamp holder seats, LED light sources, lampshades and the like, wherein the LED light sources comprise lamp holders, heat dissipation bodies, aluminum-based plates, LED assemblies, heat dissipation coating layers, bulbs and the like; annular gaps are formed in the outer walls of the lower ends of the bulbs; a plurality of heat exchange holes capable of communicating the internals of the bulbs with the external atmosphere are formed in the annular gaps at intervals along the circumferential direction; mosquito prevention nets capable of preventing mosquitoes from entering the bulbs are arranged in the annular gaps; the bulbs are made of anti-impact polycarbonate materials. The European style LED wall lamp is good in heat dissipation effect and long in service life, and the bulbs are high in impact resistance performance.

Description

A kind of LED wall lamp of European good heat dissipation
Technical field
The present invention relates to a kind of LED wall lamp of European good heat dissipation.
Background technology
Existing LED, the heat that its twinkler produces cannot realize forced convection heat radiation at small space, so the radiating effect of existing LED is relatively poor, thus have a strong impact on the work-ing life of LED, its bulb of existing LED generally adopts the material of glass or acrylic and so on to make, its impact resistance is relatively poor, easily damages in transport or use procedure.
Summary of the invention
The object of the invention is, in order to overcome weak point of the prior art, to provide a kind of reasonable ratio, good heat dissipation effect long service life, the LED of bulb strong shock resistance.
In order to achieve the above object, the present invention adopts following scheme:
A kind of LED wall lamp of European good heat dissipation, include the permanent seat for being fixed on body of wall, described permanent seat is provided with at least one arm, described arm is provided with bulb socket, bulb socket is provided with LED light source, described bulb socket is provided with lampshade, it is characterized in that: described LED light source includes lamp holder, radiator is provided with above described lamp holder, cavity is provided with in described radiator, driving element is provided with in described cavity, described radiator is provided with the louvre that cavity can be made to be communicated with ambient atmosphere, aluminium base is provided with in described radiator upper end, described aluminium base is provided with LED component, described aluminium base outer wall is provided with thermal dispersant coatings, bulb is connected with in described radiator upper end, described bulb lower end outer wall is provided with annular short slot, several heat exchanging holes that can be communicated with bulb and ambient atmosphere are along the circumferential direction arranged at intervals with in described annular short slot, the Anti-mosquito mesh that can prevent mosquito from entering bulb is provided with in described annular short slot, described bulb by impact-resistant polycarbonate material make, described impact-resistant polycarbonate material is prepared by the following method:
The preparation of steps A, precast body: by weight, gets fatty acid calcium 20-30 part, is heated to 150-170 DEG C, then adds silica powder 20-30 part, glass fibre 0.5-1 part, stirs, after cooling, obtain modified powder; Again modified powder and polyethylene 10-20 part are just mixed in mixing machine, then add ethylene bis stearamide 5-10 part, chlorinatedpolyethylene 5-10 part, mix after intensification, be cooled to room temperature, obtain precast body;
Step B, by the precast body in steps A and polycarbonate 40-60 part, butyleneglycol double methacrylate 3-5 part, oxidation inhibitor 0.5-1 part, silane coupling agent 0.5-1 part, lubricant 0.5-1 part, mix, obtain mixture;
Step C, mixture is sent into extruding pelletization in twin screw extruder.
The LED wall lamp of a kind of European good heat dissipation as above, is characterized in that described thermal dispersant coatings comprises following component by weight:
The LED wall lamp of a kind of European good heat dissipation as above, is characterized in that described polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 100-120 DEG C, underpressure distillation 0.5-1 hour, be cooled to 75-85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5-1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, 2-3 hour is reacted at 70-90 DEG C, add the acetone of 80-120 weight part, be cooled to 25-40 DEG C, add the triethylamine neutralization reaction 10-20 minute of 90-100 weight part, add 30-50 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60-65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 800-900 parts by weight of deionized water and 70-80 weight part trifluoroacetic acid, dispersed with stirring is even, .
The LED wall lamp of a kind of European good heat dissipation as above, characterized by further comprising the aluminium sesquioxide of 0.5-1 weight part, the zirconium white of 0.1-1 weight part, and described solidifying agent is isocyanic ester.
The LED wall lamp of a kind of European good heat dissipation as above, it is characterized in that being provided with draw-in groove in described radiator upper end, outside described aluminium base, be provided with fixture block, described fixture block is arranged in described draw-in groove.
The LED wall lamp of a kind of European good heat dissipation as above, it is characterized in that being provided with connective slot outside described radiator upper end, clamping block is provided with at described bulb lower end inside, described clamping block is fastened in described connective slot, is provided with the pressure contact portion that aluminium base can be fixed on radiator at described bulb lower end inside.
The LED wall lamp of a kind of European good heat dissipation as above, is characterized in that being provided with some radiator element on described radiator outer wall.
The LED wall lamp of a kind of European good heat dissipation as above, is characterized in that described LED component includes pcb board, described pcb board is provided with LED chip.
The LED wall lamp of a kind of European good heat dissipation as above, it is characterized in that being provided with bracing frame on described bulb socket, described lampshade is arranged on support frame as described above.
In sum, the present invention relative to its beneficial effect of prior art is:
The good heat dissipation effect of thermal dispersant coatings in the present invention, the heat that LED component can be made to send greatly can improve heat exchanger effectiveness in small space, improves running environment.The work-ing life of effective prolongation LED.
Carbon nanotube chemical stable performance in the present invention, has very strong stability, erosion resistance, can protect coated article, increases its work-ing life.
In the present invention, polycarbonate waterborne polyurethane latex film has excellent tensile strength and elongation at break, has excellent stability to hydrolysis.
LED lamp structure of the present invention is simple, easy for installation, good heat dissipation effect, long service life.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the diagrammatic cross-section of LED light source of the present invention;
Fig. 3 is the enlarged view at A place in Fig. 2.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
As shown in Figures 1 to 3, a kind of LED wall lamp of European good heat dissipation, include the permanent seat 100 for being fixed on body of wall, described permanent seat 100 is provided with two arms 101, described arm 101 is provided with bulb socket 102, bulb socket 102 is provided with LED light source 103, described bulb socket 102 is provided with lampshade 104, described LED light source 103 includes lamp holder 1, radiator 2 is provided with above described lamp holder 1, cavity 12 is provided with in described radiator 2, driving element is provided with in described cavity 12, described radiator 2 is provided with the louvre 13 that cavity 12 can be made to be communicated with ambient atmosphere, , aluminium base 3 is provided with in described radiator 2 upper end, described aluminium base 3 is provided with LED component 4, described aluminium base 3 outer wall is provided with thermal dispersant coatings 5, bulb 6 is connected with in described radiator 2 upper end, described bulb 6 lower end outer wall is provided with annular short slot 601, the heat exchanging holes 602 that several can be communicated with bulb 6 inside and ambient atmosphere is along the circumferential direction arranged at intervals with in described annular short slot 601, the Anti-mosquito mesh 603 that can prevent mosquito from entering bulb 6 inside is provided with in described annular short slot 601, described bulb 6 by impact-resistant polycarbonate material make, described impact-resistant polycarbonate material is prepared by the following method:
The preparation of steps A, precast body: by weight, gets fatty acid calcium 20-30 part, is heated to 150-170 DEG C, then adds silica powder 20-30 part, glass fibre 0.5-1 part, stirs, after cooling, obtain modified powder; Again modified powder and polyethylene 10-20 part are just mixed in mixing machine, then add ethylene bis stearamide 5-10 part, chlorinatedpolyethylene 5-10 part, mix after intensification, be cooled to room temperature, obtain precast body;
Step B, by the precast body in steps A and polycarbonate 40-60 part, butyleneglycol double methacrylate 3-5 part, oxidation inhibitor 0.5-1 part, silane coupling agent 0.5-1 part, lubricant 0.5-1 part, mix, obtain mixture;
Step C, mixture is sent into extruding pelletization in twin screw extruder.
Thermal dispersant coatings 5 described in the present invention comprises following component by weight:
Described in the present invention, polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 100-120 DEG C, underpressure distillation 0.5-1 hour, be cooled to 75-85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5-1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, 2-3 hour is reacted at 70-90 DEG C, add the acetone of 80-120 weight part, be cooled to 25-40 DEG C, add the triethylamine neutralization reaction 10-20 minute of 90-100 weight part, add 30-50 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60-65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 800-900 parts by weight of deionized water and 70-80 weight part trifluoroacetic acid, dispersed with stirring is even, .
Also include the aluminium sesquioxide of 0.5-1 weight part in the present invention, the zirconium white of 0.1-1 weight part, described solidifying agent is isocyanic ester.
Be provided with draw-in groove 7 in described radiator 2 upper end in the present invention, outside described aluminium base 3, be provided with fixture block 8, described fixture block 8 is arranged in described draw-in groove 7.
Outside described radiator 2 upper end, connective slot 21 is provided with in the present invention, clamping block 61 is provided with at described bulb 6 lower end inside, described clamping block 61 is fastened in described connective slot 21, is provided with the pressure contact portion 62 that aluminium base 3 can be fixed on radiator 2 at described bulb 6 lower end inside.
On described radiator 2 outer wall, some radiator element are provided with in the present invention.
LED component 4 described in the present invention includes pcb board, and described pcb board is provided with LED chip.
On described bulb socket 102, be provided with bracing frame 105 in the present invention, described lampshade 104 is arranged on support frame as described above 105.
Embodiment 1
The preparation method of the impact-resistant polycarbonate of the present invention, comprises the steps:
The preparation of the 1st step, precast body: get fatty acid calcium 20Kg, is heated to 150 DEG C, then adds silica powder 20Kg, glass fibre 0.5Kg, stirs, after cooling, obtain modified powder; Modified powder and polyethylene 10Kg are just mixed in mixing machine, then add ethylene bis stearamide 5Kg, chlorinatedpolyethylene 5Kg, mix after intensification, be cooled to room temperature, obtain precast body, the length of described glass fibre is 10 ~ 500 microns;
2nd step, by precast body, polycarbonate 40Kg, butyleneglycol double methacrylate 3Kg, oxidation inhibitor 0.5Kg, Silane coupling reagent KH-570 0.5Kg, lubricant 0.5Kg, mix, obtain mixture; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, twin screw extruder extrusion temperature one district temperature 190 DEG C, two district's temperature 200 DEG C, three district's temperature 220 DEG C, four district's temperature 210 DEG C, five district's temperature 230 DEG C, screw speed is 180rpm.
Embodiment 2
The preparation method of the impact-resistant polycarbonate of the present invention, comprises the steps:
The preparation of the 1st step, precast body: get fatty acid calcium 30Kg, is heated to 170 DEG C, then adds silica powder 30Kg, glass fibre 1Kg, stirs, after cooling, obtain modified powder; Modified powder and polyethylene 20Kg are just mixed in mixing machine, then add ethylene bis stearamide 10Kg, chlorinatedpolyethylene 10Kg, mix after intensification, be cooled to room temperature, obtain precast body, the length of described glass fibre is 10 ~ 500 microns;
2nd step, by precast body, polycarbonate 60Kg, butyleneglycol double methacrylate 5Kg, oxidation inhibitor 1Kg, Silane coupling reagent KH-570 1Kg, lubricant 1Kg, mix, obtain mixture; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, twin screw extruder extrusion temperature one district temperature 190 DEG C, two district's temperature 200 DEG C, three district's temperature 220 DEG C, four district's temperature 210 DEG C, five district's temperature 230 DEG C, screw speed is 180rpm.
Embodiment 3
The preparation method of the impact-resistant polycarbonate of the present invention, comprises the steps:
The preparation of the 1st step, precast body: get fatty acid calcium 25Kg, is heated to 160 DEG C, then adds silica powder 25Kg, glass fibre 0.8Kg, stirs, after cooling, obtain modified powder; Modified powder and polyethylene 15Kg are just mixed in mixing machine, then add ethylene bis stearamide 8Kg, chlorinatedpolyethylene 7Kg, mix after intensification, be cooled to room temperature, obtain precast body, the length of described glass fibre is 10 ~ 500 microns;
2nd step, by precast body, polycarbonate 50Kg, butyleneglycol double methacrylate 4Kg, oxidation inhibitor 0.6Kg, Silane coupling reagent KH-570 0.8Kg, lubricant 0.6Kg, mix, obtain mixture; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, twin screw extruder extrusion temperature one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 225 DEG C, four district's temperature 220 DEG C, five district's temperature 235 DEG C, screw speed is 200rpm.
Reference examples 1
Be with the difference of embodiment 3: the preparation not carrying out precast body, glass fibre adds in the 2nd step.
1st step, by polycarbonate 50Kg, butyleneglycol double methacrylate 4Kg, oxidation inhibitor 0.6Kg, Silane coupling reagent KH-570 0.8Kg, lubricant 0.6Kg, glass fibre 15Kg, mix, obtain mixture; Described oxidation inhibitor is antioxidant 1010, and the length of described glass fibre is 10 ~ 500 microns;
2nd step, mixture is sent into extruding pelletization in twin screw extruder, twin screw extruder extrusion temperature one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 225 DEG C, four district's temperature 220 DEG C, five district's temperature 235 DEG C, screw speed is 200rpm.
Reference examples 2
Be with the difference of embodiment 3: glass fibre adds in the 2nd step.
The preparation of the 1st step, precast body: get fatty acid calcium 25Kg, is heated to 160 DEG C, then adds silica powder 25Kg, stirs, and after cooling, obtains modified powder; Again modified powder and polyethylene 15Kg are just mixed in mixing machine, then add ethylene bis stearamide 8Kg, chlorinatedpolyethylene 7Kg, mix after intensification, be cooled to room temperature, obtain precast body;
2nd step, by precast body, polycarbonate 50Kg, butyleneglycol double methacrylate 4Kg, oxidation inhibitor 0.6Kg, Silane coupling reagent KH-570 0.8Kg, lubricant 0.6Kg, glass fibre 0.8Kg, mix, obtain mixture; Described oxidation inhibitor is antioxidant 1010, and the length of described glass fibre is 10 ~ 500 microns;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, twin screw extruder extrusion temperature one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 225 DEG C, four district's temperature 220 DEG C, five district's temperature 235 DEG C, screw speed is 200rpm.
Reference examples 3
Be with the difference of embodiment 3: in the 1st step, do not add chlorinatedpolyethylene.
The preparation method of impact-resistant polycarbonate, comprises the steps:
The preparation of the 1st step, precast body: get fatty acid calcium 25Kg, is heated to 160 DEG C, then adds silica powder 25Kg, glass fibre 0.8Kg, stirs, after cooling, obtain modified powder; Modified powder and polyethylene 15Kg are just mixed in mixing machine, then add ethylene bis stearamide 8Kg, mix after intensification, be cooled to room temperature, obtain precast body, the length of described glass fibre is 10 ~ 500 microns;
2nd step, by precast body, polycarbonate 50Kg, butyleneglycol double methacrylate 4Kg, oxidation inhibitor 0.6Kg, Silane coupling reagent KH-570 0.8Kg, lubricant 0.6Kg, mix, obtain mixture; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, twin screw extruder extrusion temperature one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 225 DEG C, four district's temperature 220 DEG C, five district's temperature 235 DEG C, screw speed is 200rpm.
Performance test table 1
As can be seen from Table 1, polycarbonate provided by the present invention has good physical strength.Contrasting can find out by embodiment and reference examples 1, tensile strength can be improved significantly by introducing precast body; Can be found out by embodiment and reference examples 2, by glass fibre being prepared in the resistance to notched Izod impact strength can improving polyester in precast body preferably.Can being found out by embodiment and reference examples 3, can heat-drawn wire be improved by introducing chlorinatedpolyethylene in precast body.
Embodiment 4
Thermal dispersant coatings of the present invention, comprises following component by weight:
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 100 DEG C, underpressure distillation 0.5 hour, be cooled to 75 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, 2-3 hour is reacted at 70 DEG C, add the acetone of 80 weight parts, be cooled to 25 DEG C, add the triethylamine neutralization reaction 10 minutes of 90 weight parts, add 30 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60-65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 800 parts by weight of deionized water and 70 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 1h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 20 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 60 DEG C, and 900r/min stirs 0.5 hour, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 30 μm, then add solidifying agent ultrasonic disperse evenly.
Embodiment 5
Thermal dispersant coatings of the present invention, comprises following component by weight:
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 120 DEG C, underpressure distillation 0.5-1 hour, be cooled to 85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, react 3 hours at 90 DEG C, add the acetone of 120 weight parts, be cooled to 40 DEG C, add the triethylamine neutralization reaction 20 minutes of 100 weight parts, add 50 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60-65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 900 parts by weight of deionized water and 80 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 4h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 60 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 75 DEG C, and 900-1200r/min stirs 2 hours, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 50 μm, then add solidifying agent ultrasonic disperse evenly.
Embodiment 6
Thermal dispersant coatings of the present invention, comprises following component by weight:
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 120 DEG C, underpressure distillation 0.6 hour, be cooled to 75-85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5-1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, react 2.5 hours at 80 DEG C, add the acetone of 100 weight parts, be cooled to 30 DEG C, add the triethylamine neutralization reaction 15 minutes of 95 weight parts, add 40 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 62 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, react 1.5 hours, add 850 parts by weight of deionized water and 75 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 2h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 40 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 70 DEG C, and 1200r/min stirs 1 hour, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 40 μm, then add solidifying agent ultrasonic disperse evenly.
Embodiment 7
Thermal dispersant coatings of the present invention, comprises following component by weight:
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 100 DEG C, underpressure distillation 0.5 hour, be cooled to 80 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, react 2 hours at 80 DEG C, add the acetone of 100 weight parts, be cooled to 40 DEG C, add the triethylamine neutralization reaction 20 minutes of 95 weight parts, add 50 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 900 parts by weight of deionized water and 70 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 1-4h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 60 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 60 DEG C, and 1200r/min stirs 1 hour, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 30-50 μm, then add solidifying agent ultrasonic disperse evenly.
Embodiment 8
Thermal dispersant coatings of the present invention, comprises following component by weight:
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 120 DEG C, underpressure distillation 1 hour, be cooled to 85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, 2-3 hour is reacted at 70 DEG C, add the acetone of 120 weight parts, be cooled to 25 DEG C, add the triethylamine neutralization reaction 20 minutes of 100 weight parts, add 30 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, react 1 hour, add 900 parts by weight of deionized water and 70 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 2h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 30 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 65 DEG C, and 900-1200r/min stirs 1 hour, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 30 μm, then add solidifying agent ultrasonic disperse evenly.
Embodiment 9
Thermal dispersant coatings of the present invention, comprises following component by weight:
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 120 DEG C, underpressure distillation 0.6 hour, be cooled to 75-85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5-1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, react 2.5 hours at 80 DEG C, add the acetone of 100 weight parts, be cooled to 30 DEG C, add the triethylamine neutralization reaction 15 minutes of 95 weight parts, add 40 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 62 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, react 1.5 hours, add 850 parts by weight of deionized water and 75 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 2h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 40 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 70 DEG C, and 1200r/min stirs 1 hour, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 40 μm, then add solidifying agent ultrasonic disperse evenly.
Embodiment 10
Thermal dispersant coatings of the present invention, comprises following component by weight:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 120 DEG C, underpressure distillation 0.5-1 hour, be cooled to 85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, react 3 hours at 90 DEG C, add the acetone of 120 weight parts, be cooled to 40 DEG C, add the triethylamine neutralization reaction 20 minutes of 100 weight parts, add 50 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60-65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 900 parts by weight of deionized water and 80 weight part trifluoroacetic acids, dispersed with stirring is even, .
The preparation method of described water-based carbon nanotube heat radiation coating, comprises the following steps:
A, carbon nanotube is added the dense H that appropriate volume ratio is 3: 1 2sO 4with dense HNO 3nitration mixture in, 60 DEG C of acidifying 4h, after reaction, cleaning is to neutral and vacuum-drying;
B, the carbon nanotube in steps A and dispersion agent TNWDIS to be added in vinylformic acid ultrasonic disperse 60 minutes, form dispersion system I;
C, by polycarbonate waterborne polyurethane, epoxy resin modification acrylic resin, polycarbonate, silicon carbide, be heated to 75 DEG C, and 900-1200r/min stirs 2 hours, resulting dispersion system II;
D, by the dispersion system I in step B and dispersion system II mixing and stirring in step C, be then ground to 50 μm, then add solidifying agent ultrasonic disperse evenly.
The heat dispersion of heat radiation coating of the present invention is verified further by following test:
Get 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, and plate 2-8 surface is coated with the heat radiation coating in embodiment of the present invention 4-10 respectively successively, detects after solidification to its performance; Plate 1 to plate 8 is positioned on hot-plate, adjust successively temperature 50 C, 80 DEG C, 100 DEG C, 150 DEG C, 200 DEG C, 250 DEG C, 300 DEG C, after each temperature adjustment, balance and within 60 minutes, continue again to be heated to next temperature, utilize temperature measurer record temperature, result is as shown in table 2, room temperature 25 DEG C.
Table 2
Initial temperature DEG C 50 80 100 150 200 250 300
After plate 1 balances 60 minutes 38 69 78 121 155 198 243
After plate 2 balances 60 minutes 28 53 61 86 116 164 207
After plate 3 balances 60 minutes 26 51 59 83 110 152 195
After plate 4 balances 60 minutes 25 50 55 83 105 148 193
After plate 5 balances 60 minutes 27 53 52 86 108 143 200
After plate 6 balances 60 minutes 24 47 50 80 105 138 189
After plate 7 balances 60 minutes 23 45 49 78 102 135 189
After plate 8 balances 60 minutes 24 47 52 81 107 144 194
Can clearly show that from table 2 the aluminium base temperature scribbling heat radiation coating of the present invention is all far below the aluminium base not being coated with thermal dispersant coatings, illustrates that thermal dispersant coatings of the present invention has good radiating effect.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates 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, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (9)

1. the LED wall lamp of an European good heat dissipation, include the permanent seat (100) for being fixed on body of wall, described permanent seat (100) is provided with at least one arm (101), described arm (101) is provided with bulb socket (102), bulb socket (102) is provided with LED light source (103), described bulb socket (102) is provided with lampshade (104), it is characterized in that: described LED light source (103) includes lamp holder (1), radiator (2) is provided with in described lamp holder (1) top, cavity (12) is provided with in described radiator (2), driving element is provided with in described cavity (12), described radiator (2) is provided with the louvre (13) that cavity (12) can be made to be communicated with ambient atmosphere, aluminium base (3) is provided with in described radiator (2) upper end, described aluminium base (3) is provided with LED component (4), described aluminium base (3) outer wall is provided with thermal dispersant coatings (5), bulb (6) is connected with in described radiator (2) upper end, described bulb (6) lower end outer wall is provided with annular short slot (601), the heat exchanging holes (602) that several can be communicated with bulb (6) inside and ambient atmosphere is along the circumferential direction arranged at intervals with in described annular short slot (601), be provided with in described annular short slot (601) and can prevent mosquito from entering the inner Anti-mosquito mesh (603) of bulb (6), described bulb (6) by impact-resistant polycarbonate material make, described impact-resistant polycarbonate material is prepared by the following method:
The preparation of steps A, precast body: by weight, gets fatty acid calcium 20-30 part, is heated to 150-170 DEG C, then adds silica powder 20-30 part, glass fibre 0.5-1 part, stirs, after cooling, obtain modified powder; Again modified powder and polyethylene 10-20 part are just mixed in mixing machine, then add ethylene bis stearamide 5-10 part, chlorinatedpolyethylene 5-10 part, mix after intensification, be cooled to room temperature, obtain precast body;
Step B, by the precast body in steps A and polycarbonate 40-60 part, butyleneglycol double methacrylate 3-5 part, oxidation inhibitor 0.5-1 part, silane coupling agent 0.5-1 part, lubricant 0.5-1 part, mix, obtain mixture;
Step C, mixture is sent into extruding pelletization in twin screw extruder.
2. the LED wall lamp of a kind of European good heat dissipation according to claim 1, is characterized in that described thermal dispersant coatings (5) comprises following component by weight:
3. the LED wall lamp of a kind of European good heat dissipation according to claim 2, is characterized in that described polycarbonate waterborne polyurethane is prepared by the following method:
The polycarbonate diol of 1000 weight parts is added in the container of belt stirrer, be warmed up to 100-120 DEG C, underpressure distillation 0.5-1 hour, be cooled to 75-85 DEG C, add 300 weight parts 2, 4-tolylene diisocyanate, vacuum hydro-extraction 0.5-1 hour, pass into nitrogen, add 450 weight parts and enter isophorone diisocyanate, 2-3 hour is reacted at 70-90 DEG C, add the acetone of 80-120 weight part, be cooled to 25-40 DEG C, add the triethylamine neutralization reaction 10-20 minute of 90-100 weight part, add 30-50 weight part N-methyl pyrrole network alkane ketone, react 0.5 hour at 60-65 DEG C, add 100 weight part butanone and 156 weight parts 1, 4-butyleneglycol, reaction 1-2 hour, add 800-900 parts by weight of deionized water and 70-80 weight part trifluoroacetic acid, dispersed with stirring is even, .
4. the LED wall lamp of a kind of European good heat dissipation according to claim 2, characterized by further comprising the aluminium sesquioxide of 0.5-1 weight part, the zirconium white of 0.1-1 weight part, and described solidifying agent is isocyanic ester.
5. the LED wall lamp of a kind of European good heat dissipation according to claim 1, it is characterized in that being provided with draw-in groove (7) in described radiator (2) upper end, be provided with fixture block (8) in described aluminium base (3) outside, described fixture block (8) is arranged in described draw-in groove (7).
6. the LED wall lamp of a kind of European good heat dissipation according to claim 1, it is characterized in that being provided with connective slot (21) outside described radiator (2) upper end, clamping block (61) is provided with at described bulb (6) lower end inside, described clamping block (61) is fastened in described connective slot (21), is provided with the pressure contact portion (62) that aluminium base (3) can be fixed on radiator (2) at described bulb (6) lower end inside.
7. the LED wall lamp of a kind of European good heat dissipation according to claim 1, is characterized in that being provided with some radiator element on described radiator (2) outer wall.
8. the LED wall lamp of a kind of European good heat dissipation according to claim 1, is characterized in that described LED component (4) includes pcb board, described pcb board is provided with LED chip.
9. the LED wall lamp of a kind of European good heat dissipation according to claim 1, it is characterized in that being provided with bracing frame (105) on described bulb socket (102), described lampshade (104) is arranged on support frame as described above (105).
CN201510728206.0A 2014-10-29 2015-10-29 European style LED wall lamp with high heat dissipation performance Pending CN105255142A (en)

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