Fan refers to an appliance fan that generates wind and cools in hot weather. It is a device that is driven by electricity to generate airflow. The fan inside is energized and then turned into natural wind to achieve the effect of cooling off.
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.
⑴Household fans: there are ceiling fans, table fans, floor fans, wall fans, ceiling fans, ventilating fans, turning fans, air-conditioning fans (ie cold fans), etc.; table fans are divided into shaking and non-shaking, and there are also The page turning fan; among the floor fans are those that shake their heads and turn pages. There is also a small breeze fan, which is specially hung in a mosquito net. When you go to bed at night in summer, it will be breezy when you turn it on, so you can sleep peacefully without getting sick. Warm reminder, the fan is easy to adhere to dust in the air, so it is better to cut off the power and clean it in the process of use.
⑵ Industrial exhaust fan: mainly used for forced air convection. After the electric fan is used for a long time, it is easy to get a lot of dust under the fan blade. This is caused by the fact that the fan blades are charged with static electricity due to the friction between the fan blades and the air when the electric fan is working, and the charged objects can attract light and small objects, thereby being able to absorb the fine dust floating in the room.
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