Permanent magnet synchronous rotation elimination motor of rotation elimination platform
A permanent magnet synchronous and derotation platform technology, applied to synchronous motors with stationary armatures and rotating magnets, synchronous machine parts, etc., can solve the problems of large volume and weight, low energy density, and reduce system weight. Achieve the effects of small size, low moment of inertia, and structural safety
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Embodiment 1
[0031] Such as figure 1 As shown, a permanent magnet synchronous derotation motor of a derotation platform includes a casing 3, a stator 1 and a rotor 2 arranged sequentially from outside to inside, a position sensor 7 and a wire retaining ring 6, and the rotor 2 is connected to the machine through a bearing 4. The casing 3 is connected, the bushing 5 is provided between the bearing 4 and the casing 3, end covers are provided at both ends of the casing 3, the stator 1 includes a stator core and a stator winding, and the stator winding is connected to a servo motor driver, such as figure 2 As shown, the inner circumference of the stator 1 is a circular multi-slot structure, and the rotor 2 is a surface-mounted structure with near-pole slots, as shown in image 3 As shown, it includes a rotor core 9 and a permanent magnet 8. The rotor core 9 is a ring structure and serves as a rotating shaft. A plurality of protruding rotor teeth are evenly distributed on the outer surface of t...
Embodiment 2
[0036] The difference between this embodiment and Embodiment 1 is that the number of slots in the stator 1 is 22, and the rotor 2 is used to achieve high energy density of the motor. The permanent magnet 8 has 18 poles, and the stator 1 is used to realize the motor to spin up quickly and rotate within 0.06s. Reach 780r / min, all the other structures are with embodiment one.
Embodiment 3
[0038] The difference between this embodiment and Embodiment 1 is that the number of slots in the stator 1 is 26, and the rotor 2 is used to achieve high energy density of the motor. The permanent magnet 8 has 22 poles, and the stator 1 is used to realize the motor to spin up quickly and rotate within 0.06s. Reach 780r / min, all the other structures are with embodiment one.
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