Professional manufacturing and production of radiator cooling fans, condenser fans and fan motors, etc.

What is the working principle of the cooling fan?

by:TOCH     2021-02-26
Nowadays, with the development of modern technology, many industries have applied cooling fans. As the application situation and environmental temperature change, cooling fans with different speeds are sometimes required to meet the demand. The cooling fans have long operating life, low vibration and low noise. specialty. So, do you know what the working principle of the cooling fan is? Now I will introduce the professional staff from Yi Rongchuan. The working principle of the heat dissipation fan:    The heat dissipation fan uses the principle of electromagnetic induction, uses Hall induction components as a synchronous detection device, controls a set of circuits, switches the winding power sequence, generates a rotating magnetic field, and realizes a new type of electromechanical integration of electronic commutation Cooling fan. The cooling fan has a wide range of speed regulation, light weight, environmental protection and energy saving, controllability, reliability, environmental tolerance and economic efficiency. It has obvious advantages in terms of gradually replacing other types of motors in fields requiring high performance. leading position. The cooling fan uses direct current to provide power for it. A DC motor consists of two parts: a stator and a rotor. The stator has magnetic poles (winding type or permanent magnet type), while the rotor has windings. After the staff energizes it, a magnetic field (magnetic pole) is also formed on the rotor. There is an angle between the stator and the rotor. The mutual attraction of the magnetic field (between the N pole and the S pole) causes the motor to rotate. The heat dissipation fan technicians told us that by changing the position of the brushes, the angle between the stator and rotor poles can be changed (assuming to start with the angle between the stator poles and the other side of the rotor poles, the rotor poles point to the stator poles. The direction is the direction of the rotation direction of the motor. After this operation, the rotation direction of the motor can be changed. The working principle of the cooling fan will be shared with you today. In addition, we should pay attention to that the cooling fan must be able to provide sufficient exhaust (ie speed). The hot air in the cooling device at high temperatures will When the temperature of the hot air is relatively low or the hot air flow is relatively small, it does reverse work.
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