How to improve the heat dissipation of LED display?
In practice, improving the heat dissipation performance of LED display screen not only effectively improves the heat dissipation efficiency of LED display screen, but also achieves the role of power saving, which is more conducive to improving the service life of LED display screen.
1. The fan is used for heat dissipation. The lamp housing is internally enhanced by a long-life high-efficiency fan. The common method is that this method has low cost and good effect.
2. Use aluminum heat sink, which is the most common way of heat dissipation. Use aluminum heat sink as a part of the shell to increase the heat dissipation area.
3. Aerohydrodynamics, using the shape of the lamp shell to generate convection air, is the lowest cost method to enhance heat dissipation.
4. Surface radiation and heat dissipation treatment: the surface of the lamp housing shall be subject to radiation and heat dissipation treatment. It is relatively simple to apply radiation and heat dissipation paint to take away the heat from the surface of the lamp housing with radiation.
5. Integration of heat conduction and heat dissipation - ceramics with high thermal conductivity are used. The heat dissipation of the lamp shell is to reduce the operating temperature of the LED high-definition display chip. Due to the large difference between the expansion coefficient of the LED chip and the metal thermal conductivity and the expansion coefficient of the heat dissipation materials that we often use, it is impossible to directly weld the LED chip to avoid damage to the LED display chip due to high and low temperature thermal stress.
6. Heat pipe is used for heat dissipation, which transfers heat from LED display chip to shell heat sink.
7. Thermal conductive plastic shell, in which commercial thermal conductive materials are injected and filled, thus increasing the thermal conductivity and heat dissipation of the plastic shell.
It can be seen that the maturity and progress of LED display heat dissipation technology will be conducive to its energy-saving and environmental protection concept. When manufacturers of LED electronic display screen produce LED display screen, there are various ways to improve the heat dissipation of LED display screen. The heat dissipation will be considered differently according to the power size and use place.