"220V AC Cooling Fan" of the frame is a place of refuge for all parts of the fan, to ensure secure mounting of various components on its most basic functions. At the same time, it should also ensure that the use of materials and structures having a certain strength, can withstand physical impact in a certain extent, protect the more vulnerable components of the blade, the motor and the like. Frame is the ultimate expression of fan sizes who also determines the specific installation and degree of difficulty. The frame a distinctive design "220V AC Cooling Fan", it may not violate prevailing standards, with the user's installation, use the process to bring the convenience and considerate. In addition to the fan base as a frame assembly, installation bracket, but also through "220V AC Cooling Fan" air plays an essential role in the diversion. Frame of the blade can be driven by the airflow "bound", to control the outflow direction thereof, inhibit the flyback and scattering, so that it focus on the desired blowing direction. In addition, through some special design, to increase the pressure, and other special effects.