Rotor core and manufacturing method thereof, rotor structure, motor and electrical equipment
A technology of rotor core and rotor structure, which is applied in the fields of rotor core and its manufacture, rotor structure, motor and electrical equipment, and can solve the problem of motor electromagnetic performance, vibration and noise deterioration, low utilization rate of core material, insufficient rotor stiffness, etc. problems, to achieve low magnetic flux leakage, improve service life, and reduce costs
Pending Publication Date: 2022-03-15
HUAIAN WELLING MOTOR MFG +1
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Problems solved by technology
[0002] In the related technology, a part of the rotor core is stamped as a whole, so the utilization rate of the core material is low, and there is waste
[0003] In the related technology, a part of the rotor core is in the form of pieces, but the additional air gap and the rigidity of the rotor are not enough, which leads to the deterioration of the electromagnetic performance and vibration noise of the motor
Method used
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[0098] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0099] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.
[0100] Refer below Figure 1 to Figure 21 The rotor core 100 provided according to some embodiments of the present invention, its manufacturing method, rotor structure, motor and electrical equipment will be...
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The invention provides a rotor iron core and a manufacturing method thereof, a rotor structure, a motor and electrical equipment, the rotor iron core comprises at least two first punching sheets, the at least two first punching sheets are distributed along the axial direction of the rotor iron core, the two adjacent first punching sheets are connected, any first punching sheet comprises at least two punching sheet units, and the punching sheet units are arranged in the axial direction of the rotor iron core. The at least two punching sheet units are distributed at intervals in the circumferential direction of the rotor core, a first interval is formed between every two adjacent punching sheet units, any punching sheet unit comprises at least two first magnetic conductive parts, the at least two first magnetic conductive parts are distributed at intervals in the circumferential direction of the rotor core, and a second interval is formed between every two adjacent first magnetic conductive parts; two adjacent first magnetic conductive parts are connected through the first connecting parts; in the axial direction of the rotor iron core, in every two adjacent first punching sheets, the first interval of one first punching sheet is communicated with the second interval of the other first punching sheet, and every two opposite first magnetic conductive parts are connected.
Description
technical field [0001] The invention relates to the technical field of motor rotors, in particular to a rotor core, a manufacturing method thereof, a rotor structure, a motor and electrical equipment. Background technique [0002] In the related art, a part of the rotor core is stamped as a whole, and the utilization rate of the core material is low, resulting in waste. [0003] In the related art, a part of the rotor core is in the form of pieces, but the additional air gap and the rigidity of the rotor are not enough, which leads to the deterioration of the electromagnetic performance and vibration noise of the motor. Contents of the invention [0004] The present invention aims to solve at least one of the technical problems existing in the prior art. [0005] To this end, the first aspect of the present invention provides a rotor core. [0006] A second aspect of the present invention provides a rotor structure. [0007] The third aspect of the present invention pro...
Claims
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IPC IPC(8): H02K1/276H02K1/28H02K15/03H02K1/14H02K1/16H02K3/28H02K3/12H02K3/52H02K3/48
CPCH02K1/276H02K1/28H02K15/03H02K1/146H02K1/165H02K3/28H02K3/12H02K3/522H02K3/48H02K2201/03
Inventor 屈欢李文瑞诸自强吴越虹甘磊李俊龙周一恒
Owner HUAIAN WELLING MOTOR MFG