Highly efficient heat dissipation motor rotor structure
A motor rotor and rotor technology, applied in the magnetic circuit shape/style/structure, magnetic circuit rotating parts, etc., can solve the problems of increasing the excitation loss of the motor rotor, reducing the motor efficiency, poor safety, etc., and achieving a stable permanent magnet working temperature. , Improve the efficiency of the motor and improve the service life
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[0034] Such as figure 1 and figure 2 As shown, a high-efficiency heat dissipation motor rotor structure includes a rotor 3 and a rotating shaft 4 located at the center of the rotor 3. The rotor 3 is provided with a number of rotor cooling air passages 5; Cover 2, and there is a ventilation flow channel 6 between the rotor wind cover 2 and the rotating shaft 4; the ventilation flow channel 6 between the rotor wind cover 2 and the rotating shaft 4 and the rotor cooling air flow channel 5 in the rotor 3 are jointly formed Rotor cooling air duct 101.
[0035] Such as image 3 and Figure 4 As shown, the rotor windshield 2 includes an integrally formed clamping shaft portion 21 and a horn portion 22, the clamping shaft portion 21 is used for passing the rotating shaft 4, and the bearing 1 is sleeved on the outside, and the opening of the horn portion 22 is relatively large. The large end is in contact with the outer surface of the rotor 3; eight fan blades 23 are evenly distri...
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