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Direct start synchronous reluctance motor rotor structure and motor with same

A technology of synchronous reluctance motor and rotor structure, which is applied to synchronous motors for single-phase current, magnetic circuit shape/style/structure, magnetic circuit, etc., can solve the problem of large torque ripple of the motor, and achieve reduced torque Ripple, large reluctance torque, noise reduction effect

Active Publication Date: 2020-05-29
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a direct start synchronous reluctance motor rotor structure and a motor with it, to solve the problem of large motor torque ripple in the prior art

Method used

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  • Direct start synchronous reluctance motor rotor structure and motor with same
  • Direct start synchronous reluctance motor rotor structure and motor with same
  • Direct start synchronous reluctance motor rotor structure and motor with same

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Embodiment Construction

[0026] 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.

[0027] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present application are used to distinguish similar objects, ...

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Abstract

The invention provides a direct start synchronous reluctance motor rotor structure and a motor having the same. The rotor structure of the direct start synchronous reluctance motor includes: rotor core, the rotor core is provided with a plurality of slit slots, the two ends of each slit slot are respectively provided with filling slots, and the ends of the filling slots close to the edge of the rotor core having a first position close to the d-axis of the rotor core and a second position away from the d-axis, the first position or the second position of each filling slot is provided with a notch; wherein, in the same pole of the rotor core, adjacent When one of the two filling grooves is provided with a notch at the first position, the other filling groove is provided with a notch at the second position. This setting can further block the q-axis magnetic flux without affecting the d-axis magnetic flux entering the stator, increasing the difference between the d-axis and q-axis magnetic flux, generating greater reluctance torque, and increasing the output and efficiency of the motor. To achieve the purpose of reducing the torque ripple of the motor and reduce the vibration noise of the motor.

Description

technical field [0001] The invention relates to the technical field of motor equipment, in particular to a rotor structure of a direct-start synchronous reluctance motor and a motor having the same. Background technique [0002] The direct start synchronous reluctance motor combines the structural characteristics of the induction motor and the synchronous reluctance motor. The torque is generated by the squirrel cage induction to realize the start, and the reluctance torque is generated by the rotor inductance gap to realize the constant speed operation. It can be directly connected to the power supply to realize the start operation. . Compared with the direct start permanent magnet motor, the direct start synchronous reluctance motor has no rare earth permanent magnet material, and there is no demagnetization problem, the motor cost is low, and the reliability is good; compared with the asynchronous motor, the efficiency is high and the speed is constant. [0003] The trad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/22
CPCH02K1/22H02K2213/03H02K1/246H02K19/14
Inventor 史进飞胡余生陈彬肖勇李霞余钦宏
Owner GREE ELECTRIC APPLIANCES INC