CN103756389B - Heat loss through radiation High tailored coating, its preparation method and application thereof - Google Patents
Heat loss through radiation High tailored coating, its preparation method and application thereof Download PDFInfo
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- CN103756389B CN103756389B CN201410019185.0A CN201410019185A CN103756389B CN 103756389 B CN103756389 B CN 103756389B CN 201410019185 A CN201410019185 A CN 201410019185A CN 103756389 B CN103756389 B CN 103756389B
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Abstract
A kind of heat loss through radiation High tailored coating, including component A, B component and filler, component A is main coating, there is the solution of cohesion in the modified colloidal microgranule for crossing through high-temperature process, B component is ethylenediamines firming agent, the weight proportion of component A/B component is 9: 1, and filler is pyroconductivity height and the material with infrared emission.The heat loss through radiation High tailored coating of the present invention may be used in LED, coating is with the emissivity of about 0.9 ε and 0.5 13.5 μm infrared wavelength sections, to airspace or in lamp body autoemission heat, accelerate heat exchange, reduce LED lamp surface and internal temperature, thus pull the reduction of LED chip working junction temperature.
Description
Technical field
The present invention relates to heat radiation technical applications, be specifically related to a kind of heat loss through radiation High tailored coating, its preparation method and application thereof.
Background technology
Since LED (emitting semiconductor) white light technology is come out, having caused the 4th revolution that the mankind illuminate, from indoor to outdoor, LED is widely applied to lighting field.Especially large power road lamp future development potential is bigger, because it has the energy-saving effect of more than 50% than the high-pressure mercury lamp of current " dominance ", and the power consumption of China Current City Road illumination accounts for the 13% of China's generating total amount, thus LED street lamp to popularize the meaning progressively substituting its macroscopic view of high-pressure mercury lamp energy-conservation the most great.Power-type LED street lamp steps up (after breaking through 100Lm/W, risen to about 150Lm/W) at luminous flux in recent years, and price falls after rise again and again, and in the case of cost substantially reduces, its development speed is faster.Photoelectric conversion rate yet with LED chip is relatively low, and the most only about 30%, remaining 70% is then converted to electric heating.This partial heat, as do not spread as early as possible, i.e. can form the light decay of LED chip.Junction temperature is the highest, and its light decay degree is the most serious, and this is that the intrinsic physical attribute of LED is determined.
For solving LED heat dissipation problem, industry has made many effort, achieve many progressive at heat radiation material selection, heat radiation structure design and the aspect such as conduction of heat, heat flow, but LED still needs to be broken through further in terms of heat dissipation technology, in order to preferably reduce junction temperature of chip, minimizing light decay, extend LED service life.
Summary of the invention
The invention provides a kind of heat loss through radiation High tailored coating and methods for making and using same thereof, the problem bad to solve LED heat radiation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of heat loss through radiation High tailored coating, including component A, B component and filler, component A is main coating, there is the solution of cohesion in the modified colloidal microgranule for crossing through high-temperature process, B component is ethylenediamines firming agent, the weight proportion of component A/B component is 9: 1, and filler is pyroconductivity height and the material with infrared emission.
The particle diameter of above-mentioned modified colloidal microgranule is less than 100 nanometers；Above-mentioned filler is CNT or spinel metal oxide.
The preparation method of above-mentioned heat loss through radiation High tailored coating, joins filler in component A and mix homogeneously obtains, then B component be slowly added in component A, and Mechanical Method slowly stirs evenly, and can use after standing 30 minutes.
Above-mentioned heat loss through radiation High tailored coating may be used on the form raising LED radiating effect in LED with infra-red radiation, concrete application process is as follows: after prepared by heat loss through radiation High tailored coating, in eight hours, heat loss through radiation High tailored coating is used and brushes or spraying method, coat on the radiating fin of LED light source or the lamp housing of LED drive power, normal temperature cure.
When above-mentioned heat loss through radiation High tailored coating uses spraying coating process, spray gun bore is greater than more than 1 millimeter, and coating ejection does not produce serious atomizating phenomenon, in order to avoid losing radiation cooling performance.
When above-mentioned heat loss through radiation High tailored coating uses brush coating process, be in ventilated environment, brushing object temperature 0 DEG C-60 DEG C, it is impossible in the LED that directly brushing is working.
The heat loss through radiation High tailored coating of the present invention is the solution that the modified colloidal microgranule (less than 100 nanometers) crossed through high-temperature process occurs cohesion.Solution is under the effect of firming agent after film-forming, in fish scale-shaped structure, and beneficially radiation of heat and beneficially visible region and the reflectance of near-infrared region and higher thermal infrared emissivity.Its filler is the material of the high thermal conductance such as CNT, spinel metal oxide and infrared emission.These fillers present the bright and clean and microcosmic wavy irradiation structure unit of macroscopic view after making coating film forming, this structure can be greatly increased heat radiation specific surface area and conductivity, improves the radiation coefficient of object infra-red radiation, is obviously improved the effect of heat exchange.
The invention provides a kind of heat loss through radiation High tailored coating and methods for making and using same thereof, the heat loss through radiation High tailored coating of the present invention may be used in LED, coating is with the emissivity of about 0.9 ε and 0.5-13.5 μm infrared wavelength section, to airspace or in lamp body autoemission heat, accelerate heat exchange, reduce LED lamp surface and internal temperature, thus pull the reduction of LED chip working junction temperature.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the application schematic diagram of heat loss through radiation High tailored coating of the present invention.
In figure, 1 lamp housing, 2 radiating fins, 3LED drive power supply.
Detailed description of the invention
A kind of heat loss through radiation High tailored coating, including component A, B component and filler, component A is main coating, there is the solution of cohesion in the modified colloidal microgranule for crossing through high-temperature process, the particle diameter of modified colloidal microgranule is less than 100 nanometers, and B component is ethylenediamines firming agent, and the weight proportion of component A/B component is 9: 1, filler is pyroconductivity height and the material with infrared emission, such as CNT or spinel metal oxide.
The preparation method of the heat loss through radiation High tailored coating of the present invention, joins filler in component A and mix homogeneously obtains, then B component be slowly added in component A, and Mechanical Method slowly stirs evenly, and can use after standing 30 minutes.
Above-mentioned heat loss through radiation High tailored coating may be used on the form raising LED radiating effect in LED with infra-red radiation, concrete application process is as follows: after prepared by heat loss through radiation High tailored coating, in eight hours, heat loss through radiation High tailored coating is used and brushes or spraying method, coat on the radiating fin 2 of LED light source or the lamp housing 1 of LED drive power 3, during as used spraying coating process, spray gun bore is greater than more than 1 millimeter, coating ejection does not produce serious atomizating phenomenon, in order to avoid losing radiation cooling performance；During as used brush coating process, be in ventilated environment, brushing object temperature 0 DEG C-60 DEG C, it is impossible in the LED that directly brushing is working.Normal temperature cure, is not necessary to heating cure.After solidification, coating is full smooth, takes into account good anti-corrosion and waterproof performance, and intensity combined with metal is high, suddenly cold and hot does not comes off.Heat loss through radiation High tailored coating of the present invention, coat on the radiating fin at the LED light source back side, heat radiation specific surface area and conductivity can be greatly increased, improve the radiation coefficient of fin infra-red radiation, it is obviously improved the effect of heat exchange, it is seen that the reflectance of light district and near-infrared region is up to more than 80%.
The heat loss through radiation High tailored coating of the present invention is the solution that the modified colloidal microgranule (less than 100 nanometers) crossed through high-temperature process occurs cohesion.Solution is under the effect of firming agent after film-forming, in fish scale-shaped structure, and beneficially radiation of heat and beneficially visible region and the reflectance of near-infrared region and higher thermal infrared emissivity.Its filler is the material of the high thermal conductance such as CNT, spinel metal oxide and infrared emission.These fillers present the bright and clean and microcosmic wavy irradiation structure unit of macroscopic view after making coating film forming, this structure can be greatly increased heat radiation specific surface area and conductivity, improves the radiation coefficient of object infra-red radiation, is obviously improved the effect of heat exchange.
Claims (2)
1. a heat loss through radiation High tailored coating, it is characterized in that: include A component, B component and filler, A component is main coating, there is the solution of cohesion in the modified colloidal microgranule for crossing through high-temperature process, B component is ethylenediamines firming agent, and the weight proportion of component A/B component is 9: 1, filler is pyroconductivity height and the material with infrared emission, the particle diameter of modified colloidal microgranule is less than 100 nanometers, and filler is CNT or spinel metal oxide
The preparation method of described heat loss through radiation High tailored coating, joins filler in A component and mix homogeneously obtains, then B component be slowly added in A component, and Mechanical Method slowly stirs evenly, and can use after standing 30 minutes,
After prepared by heat loss through radiation High tailored coating, in eight hours, heat loss through radiation High tailored coating is used and brushes or spraying method, the radiating fin or the LED that coat LED light source drive on the lamp housing of power supply, and normal temperature cure is coated on the radiating fin of LED light source back surface, heat radiation specific surface area and conductivity can be greatly increased, improve fin infra-red radiation radiation coefficient, be obviously improved heat exchange effect, it is seen that the reflectance of light district and near-infrared region up to
More than 80%.
Heat loss through radiation High tailored coating the most according to claim 1, is characterized in that: when using brush coating process, be in ventilated environment, brushing object temperature 0 DEG C-60 DEG C, it is impossible on the LED lamp that directly brushing is working.
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| CN201410019185.0A CN103756389B (en) | 2014-01-10 | 2014-01-10 | Heat loss through radiation High tailored coating, its preparation method and application thereof |
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| CN201410019185.0A CN103756389B (en) | 2014-01-10 | 2014-01-10 | Heat loss through radiation High tailored coating, its preparation method and application thereof |
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| CN103756389A CN103756389A (en) | 2014-04-30 |
| CN103756389B true CN103756389B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103965672B (en) * | 2014-05-19 | 2016-08-24 | 宁波市爱使电器有限公司 | The LED radiator surface radiating coating that a kind of adhesive force is strong |
| CN103965671B (en) * | 2014-05-19 | 2016-06-01 | 宁波市爱使电器有限公司 | LED radiator surface heat transmission coating |
| CN104482516A (en) * | 2014-12-09 | 2015-04-01 | 河南德科光电科技有限公司 | Heat dissipation structure of LED (light emitting diode) power type street lamp segmented luminous unit |
| CN112002547A (en) * | 2020-08-25 | 2020-11-27 | 安徽博微新磁科技有限公司 | Integrally formed inductor and preparation method thereof |
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| US20070071990A1 (en) * | 2003-12-03 | 2007-03-29 | Suman Andrew W | Abradable dry powder coatings on piston assembly components |
| CN102453404A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Novel polyethylene powder coating |
| CN102061121B (en) * | 2010-12-06 | 2016-05-25 | 老虎粉末涂料制造（太仓）有限公司 | A kind of environmental-protection anti-corrosive heat-dissipation powder paint and its preparation method and application |
| CN202756993U (en) * | 2012-06-07 | 2013-02-27 | 王巍 | High-power light-emitting diode (LED) road lamp |
| CN103062736A (en) * | 2013-01-23 | 2013-04-24 | 磐安县易通科技发展有限公司 | High-power LED streetlamp cooling method and LED streetlamp cooled by same |
| CN103173119B (en) * | 2013-04-10 | 2016-08-03 | 台山广安霖化工有限公司 | Heat Resistant Powder Coatings and preparation method thereof |
| CN103305102B (en) * | 2013-06-06 | 2016-01-27 | 广东伊诗德新材料科技有限公司 | Coating of the synthesis of organic-silicon-modified high temperature resistance polyester and preparation method thereof |
| CN103305104B (en) * | 2013-07-01 | 2016-01-06 | 上海纪森商贸有限公司 | A kind of method preparing Dry powder type thermal radiation coating |
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Address after: 251500 Linyi Economic Development Zone, Shandong, Dezhou Applicant after: SHANDONG YAMING LIGHTING TECHNOLOGY CO., LTD. Address before: 251500 south side of Linyi Economic Development Zone, Shandong province (Huaxing South Road first East Side) Applicant before: SHANDONG SHEN'AN LIGHTING TECHNOLOGY CO., LTD. |
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