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Types and applications of electric fans-Alice factory

2021/08/28

According to the structure of the motor, it can be divided into: single-phase capacitor type, single-phase shaded pole type, three-phase induction type, DC and AC/DC dual-purpose series-excited commutator electric fans.

According to the purpose of classification, it can be divided into: household electric fans and industrial exhaust fans. Household electric fans: there are ceiling fans, table fans, floor fans, wall fans, ceiling fans, ventilating fans, turning fans, air-conditioning fans (ie cooling fans), etc.; table fans are divided into shaking and non-shaking, and there are also rotating Page fans; among the floor fans are those that shake their heads and turn pages.

Industrial exhaust fan: mainly used for forced air convection and ventilation.

The main component of the electric fan is: AC motor. Its working principle is: the energized coil rotates under force in a magnetic field. Electric energy is converted into mechanical energy, and at the same time, due to the resistance of the coil, it is inevitable that a part of the electric energy will be converted into heat energy. In addition, low-power motors such as DC motors and DC brushless motors are increasingly used in small electric fans.

When the electric fan works (assuming that there is no heat transfer between the room and the outside world), the indoor temperature not only does not decrease, but increases. Let's analyze the reason for the temperature rise: When the electric fan is working, because there is current flowing through the coil of the electric fan, the wire has resistance, so it will inevitably generate heat and release heat outward, and the temperature will naturally rise.

There is a lot of sweat on the body surface of the human body. When the electric fan works, the indoor air will flow, so it can promote the rapid evaporation of sweat, combined with "evaporation needs to absorb a lot of heat", people will feel cool

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We (Alice) are a professional manufacturer of furniture nameplates, we can produce zinc alloy, aluminum, copper, brass, pvc, etc. Metal signs and nameplates are widely used, covering all walks of life, and support household customization. The signs produced are light and practical, beautiful and generous, with fine details.


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