High-power LED lamp cooling device
A technology for LED lamps and heat sinks, which is applied to cooling/heating devices, lighting devices, components of lighting devices, etc. The problem of high junction temperature can achieve the effect of reasonable components and proportions, good heat dissipation effect and energy loss reduction.
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Embodiment 2
[0036] The heat dissipation coating of the present invention comprises the following components by weight:
[0037] .
[0038] The heat dissipation coating of the present invention is prepared by the following method, comprising the steps of:
[0039] A, water-based acrylic resin, polycarbonate-type water-based polyurethane, silicone resin containing modified nanoparticles, silica sol and water are mixed and stirred evenly;
[0040] B. Add thermally conductive fillers and additives in the state of stirring, and stir evenly to obtain a dispersion system;
[0041] C. Put the dispersion system in step B into a paint grinder and grind it to 30-50 μm, and disperse evenly by ultrasonic.
[0042] Wherein said polycarbonate type waterborne polyurethane is prepared by the following method:
[0043] Add 1000 parts by weight of polycarbonate diol into a container with a stirrer, raise the temperature to 90°C, distill under reduced pressure for 0.5 hours, cool down to 70°C, add 280 p...
Embodiment 3
[0051] The heat dissipation coating of the present invention comprises the following components by weight:
[0052] .
[0053] The heat dissipation coating of the present invention is prepared by the following method, comprising the steps of:
[0054] A, water-based acrylic resin, polycarbonate-type water-based polyurethane, silicone resin containing modified nanoparticles, silica sol and water are mixed and stirred evenly;
[0055] B. Add thermally conductive fillers and additives in the state of stirring, and stir evenly to obtain a dispersion system;
[0056] C. Put the dispersion system in step B into a paint grinder and grind it to 30-50 μm, and disperse evenly by ultrasonic.
[0057] Wherein said polycarbonate type waterborne polyurethane is prepared by the following method:
[0058] Add 1000 parts by weight of polycarbonate diol into a container with a stirrer, raise the temperature to 90°C, distill under reduced pressure for 0.5 hours, cool down to 70°C, add 280 p...
Embodiment 4
[0066] The heat dissipation coating of the present invention comprises the following components by weight:
[0067] .
[0068] The heat dissipation coating of the present invention is prepared by the following method, comprising the steps of:
[0069] A, water-based acrylic resin, polycarbonate-type water-based polyurethane, silicone resin containing modified nanoparticles, silica sol and water are mixed and stirred evenly;
[0070] B. Add thermally conductive fillers and additives in the state of stirring, and stir evenly to obtain a dispersion system;
[0071] C. Put the dispersion system in step B into a paint grinder and grind it to 30-50 μm, and disperse evenly by ultrasonic.
[0072] Wherein said polycarbonate type waterborne polyurethane is prepared by the following method:
[0073] Add 1000 parts by weight of polycarbonate diol into a container with a stirrer, raise the temperature to 90°C, distill under reduced pressure for 0.5 hours, cool down to 70°C, add 280 p...
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