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Considering from the panel light heat dissipation problems?

by:Rayven     2020-12-03
With the continuous development of technology, for some technical problems are not so comprehensive solve some problems. The cooling to the subject of attention. Panel light volume is small, heat dissipation is not a place, alone to have assisted heat dissipation. Now there are a lot of lamps and lanterns are the aided design to solve the problem of heat dissipation, but also is not very comprehensive and continuous increase of solve the problem of heat dissipation technology, panel light heat dissipation problem has always been LED manufacturers concern very much, heat dissipation directly affect the service life of the LED lighting lamps and lanterns. Indoor lighting lamps and lanterns of LED panel light heat dissipation problem, in the panel lights, 30% - chip in the normal work Electric energy into light energy 35%, other 65% 70% of the transformed into heat energy, panel lights are sensitive to temperature. In general, the LED junction temperature below 125 ℃ will be lucky enough to avoid performance degradation or failure, LED to 70% of the failure from the temperature too high, and the load in the case of half power rating temperature every 20 ℃, failure rate is rising. From the following three aspects to consider solution to the LED panel light heat dissipation: 1, the heat dissipation of LED panel light also should consider to rule out factors hindering the research on the heat transfer in heat transfer path, such as expanding the sectional area of the path ( For example, thick copper wire thermal conductivity) more easily than thin copper wire Thermal conductive lubricant, and make product connection part of the gap. 2, increase the heat release characteristics of radiator surface, such as installing a few more heat sink at the surface, the exothermic area radiator, etc. 3, LED panel light because it's thin, cannot use the fan or natural convection method to heat dissipation, so only in view of structure and materials. Panel light adopts aluminum frame, which is the main channel of heat dissipation, faster because of thermal conductivity of aluminum, is conducive to heat dissipation.
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