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Time：2021-12-24Views：0
How much do you know about the working principle of fan cooling
With the development of technology, the functions of electronic products are getting stronger and stronger. In the process of using computers, we will inevitably encounter heat generated by electronic components, which will shorten the operating time and life of electronic products. Therefore, the heat dissipation of electronic components is becoming more and more important nowadays.
The fan is a good way to deal with heat dissipation. The fan uses forced heat convection to stop the heat dissipation. It relies on its own diversion effect, and then uses the heat exchange between the air and the heat sink to take away the heat, thereby completing the ""forced" Convection "" way of heat dissipation.
Fans are also divided into many categories. In summary, they can be divided into the following three points: According to the way of fan and air movement, they are divided into: axial fan and centrifugal fan. According to the working current, it is divided into: DC fan and AC fan. According to the purpose of the fan, it is divided into: power supply fan, case fan, sound fan, car fan, refrigerator fan, notebook CPU fan and desktop computer fan.
The composition of the fan: the rotor part: including fan blades, shaft center, magnetic ring and magnetic ring frame. Stator part: including motor, outer frame, bearing and adapter. The control part is composed of a Hall circuit board and a series of originals. But the bearing is the existence of a bottleneck element in the life of a fan, and it also has an overall impact on the fan's operating noise and cost. The bearing system of the fan is generally divided into the following oil bearings, ball bearings, ceramic bearings, hydraulic bearings and dynamic bearings.
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