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Time：2022-07-18Views：0
1. Rotor: composed of magnet, fan blade and shaft;
2. Stator: composed of silicon steel sheet, spool and bearing;
3. Control circuit: The magnet is induced by the IC; the N.S. pole controls its coil conduction through the circuit to generate internal excitation to make the rotor rotate.
This kind of voice-controlled electric fan developed by the General Electric Company of the United States is equipped with a miniature electronic receiver. It only needs to clap two times continuously at a place not exceeding 3 meters, and the electric fan will automatically run; It will automatically stop again.
A new type of electric fan combining a fan and a refrigerator has been launched in the European market. The fan has a cooling movement, and there is a mixed liquid in the central cylinder of the movement. After placing the movement in the refrigerator for 3 hours, take it out for use. , you can blow out cold air, giving people the feeling of cold air blowing.
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2022-03-22
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