Rotor iron core and permanent magnet synchronous motor with same
A technology for permanent magnet synchronous motors and rotor cores, applied in synchronous machines, magnetic circuits, electric components, etc., can solve the problems of not considering vibration and noise, improper distribution of winding motors, etc., and achieve harmonic reduction and electromagnetic force reduction And the effect of operating vibration noise and fundamental magnetic field increase
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[0030] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0031] The main purpose of the present invention is to provide a rotor core capable of reducing vibration and noise and improving working performance and a permanent magnet synchronous motor with the same.
[0032] Such as figure 1 As shown, the present invention provides a rotor core.
[0033] Specifically, such as Figure 1 to Figure 3 As shown, the rotor core includes a core body 10 , and a groove 20 is opened on the outer peripheral wall of the core body 10 along the axial direction of the core body 10 . The groove 20 includes at least one first groove 21 and at least one second groove 22 which communicate with each other. The depth S2 of the first groove 21 along the radial direction of...
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