Motor rotor and synchronous reluctance motor
A technology of motor rotor and rotor iron core, which is applied to electric components, electrical components, electromechanical devices, etc., can solve the problem of limited heat dissipation structure of synchronous reluctance motor, poor solution effect of synchronous reluctance motor, and inability to heat dissipation of synchronous reluctance motor. and other problems, to achieve comprehensive and effective heat dissipation, improve temperature rise, and improve the effect of heat dissipation
Active Publication Date: 2020-01-24
GREE ELECTRIC APPLIANCES INC
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- Description
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- Application Information
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Problems solved by technology
The heat dissipation structure of the synchronous reluctance motor is relatively limited, and it is highly targeted. It cannot bring comprehensive heat dissipation to the synchronous reluctance motor, so the heat dissipation effect is limited, and the temperature rise problem of the synchronous reluctance motor is solved. bad
Method used
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Embodiment Construction
[0030] see in conjunction Figure 1 to Figure 5 As shown, according to the embodiment of the present application, the motor rotor includes a rotor core 1, and the rotor core 1 is provided with a plurality of magnetic barrier groups along the circumferential direction, and each magnetic barrier group includes a plurality of radially spaced magnetic fluxes. Barriers 2, magnetic conduction channels 3 are formed between adjacent magnetic flux barriers 2, magnetic isolation bridges 4 are respectively arranged at both ends of each magnetic flux barrier 2 under the same pole, and a magnetic isolation bridge 4 at least one end of at least one magnetic flux barrier 2 There is a predetermined distance between 4 and the outer circumference of the rotor core 1, and the predetermined distance forms an opening at the end of the magnetic flux barrier 2. The aforementioned preset interval is greater than 0.
[0031] The motor rotor has a preset interval between the magnetic isolation bridge ...
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The invention provides a motor rotor and a synchronous reluctance motor. The motor rotor comprises a rotor core (1); the rotor core (1) is provided with a plurality of magnetic barrier groups along the circumferential direction of the rotor core (1); each magnetic barrier group comprises a plurality of magnetic flux barriers (2) which are arranged at intervals along the radial direction of the magnetic barrier group; magnetic conduction channels (3) are formed between the adjacent magnetic flux barriers (2); magnetic isolation bridges (4) are arranged at two ends of each magnetic flux barrier(2) under the same pole; a preset interval is formed between the magnetic isolation bridge (4) on at least one end of at least one magnetic flux barrier (2) and the outer circumference of the rotor core (1); and the preset intervals form openings at the end portions of the magnetic flux barriers (2). With the motor rotor of the invention adopted, the heat dissipation capability of the synchronousreluctance motor can be effectively improved, the problem of the temperature rise of the synchronous reluctance motor is improved, and the safe and stable operation of the motor is ensured.
Description
technical field [0001] The present application relates to the field of motor technology, in particular to a motor rotor and a synchronous reluctance motor. Background technique [0002] A synchronous reluctance motor is a motor that uses the reluctance torque generated by the difference between the direct-axis (d-axis) and the quadrature-axis (q-axis) reluctance of the motor to drive the rotor to drive the rotation of the shaft. path is closed. The excitation magnetic field of the synchronous reluctance motor is generated by the stator winding, so the power factor of the synchronous reluctance motor is lower than that of the permanent magnet motor of the same power, and the current is also larger than that of the permanent magnet motor. In the case of the same volume, the temperature rise of the stator is larger than that of the above two motors, and the loss is higher than that of the above permanent magnet motor. [0003] Based on the structural characteristics of the sy...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02K1/32H02K1/20H02K9/08H02K1/22
CPCH02K1/20H02K1/22H02K1/32H02K9/08
Inventor 黎永材胡余生陈彬张健
Owner GREE ELECTRIC APPLIANCES INC