Mixed permanent magnet synchronous motor rotor
A permanent magnet synchronous motor technology, applied in the direction of magnetic circuit rotating parts, magnetic circuit shape/style/structure, etc., can solve the problems of high motor cost, low mechanical strength, large magnetic flux leakage coefficient, etc.
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Embodiment 1
[0015] A hybrid permanent magnet synchronous motor rotor, comprising a steel shaft 1 and a rotor core 2; an even number of radial permanent magnet slots 3 are evenly distributed on the cross section of the rotor iron core 2; radial permanent magnet slots 3 are installed in each radial permanent magnet slot 3 Permanent magnet 6; even number of tile-shaped permanent magnets 7 are evenly distributed on the steel shaft 1 according to polarity, the polarities of two adjacent tile-shaped permanent magnets 7 are different, and there is a space between adjacent two tile-shaped permanent magnets 7 Gap; the inner end of each radial permanent magnet slot 3 has an opening, and each opening corresponds to each gap; the inner ring of the rotor core 2 is press-fitted on the outer surface of each tile-shaped permanent magnet 7;
[0016] The inner coercive force of the radial permanent magnet 6 closer to the center of the rotor iron core 2 is smaller, and the inner coercive force of the radial ...
Embodiment 2
[0022] A hybrid permanent magnet synchronous motor rotor, comprising a steel shaft 1 and a rotor core 2; an even number of radial permanent magnet slots 3 are evenly distributed on the cross section of the rotor iron core 2; radial permanent magnet slots 3 are installed in each radial permanent magnet slot 3 Permanent magnet 6; even number of tile-shaped permanent magnets 7 are evenly distributed on the steel shaft 1 according to polarity, the polarities of two adjacent tile-shaped permanent magnets 7 are different, and there is a space between adjacent two tile-shaped permanent magnets 7 Gap; the inner end of each radial permanent magnet slot 3 has an opening, and each opening corresponds to each gap; the inner ring of the rotor core 2 is press-fitted on the outer surface of each tile-shaped permanent magnet 7;
[0023] The inner coercive force of the radial permanent magnet 6 closer to the center of the rotor iron core 2 is smaller, and the inner coercive force of the radial ...
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