Inverter LED screen chassis power supply DC cooling fans are often used in outdoor LED display chassis. Its main task is to dissipate heat inside the chassis to maintain the stable operation of the LED display. The DC fan is installed inside the chassis and uses the airflow generated by the fan to take away the heat generated by the LED display. When using a DC cooling fan, pay attention to the design and materials of the fan to ensure that it can dissipate heat quickly and effectively. Fan frame blades and turbine fans are common DC cooling fan accessories for selection. In addition, fan voltage and current are also important considerations, and the appropriate fan needs to be selected according to the actual needs. At the same time, regular maintenance and cleaning of the inverter air pipe to ensure the normal operation of the cooling system is also an important measure to extend the life of the inverter.