Guangdong Meizhi Compressor Co., Ltd.

Xiaohua Qiu

Zhengzhong Qiao

Linshu Mao

Fei Xu

Yangbo Yu

Yulong Wang

Liyu Zheng

Dong Xiang

Chaocong Liu

Dejin Zhang

Zunmu Zhang

A motor for a rotary compressor, and a compressor and an air conditioner having the motor, are disclosed. The motor includes a stator core and a rotor core. The stator core has a through-hole in a center thereof. The stator core is provided with a plurality of circumferentially spaced stator teeth, and the number of stator teeth is M. The rotor core is rotatably disposed in the through-hole. The rotor core is provided with a plurality of circumferentially spaced rotor slots, and the number of the rotor slots is N, wherein 2≤N−M≤6. A cross-sectional area of the stator core is denoted as S, and a distance between two endpoints of two radially opposite curved segments of an outer edge of the cross section is denoted as L, wherein 0.93≤(4*S)/(3.14*L)≤0.96.

Air conditioner, compressor and motor with stator core having specific dimensions

A rotor, a motor and a compressor are provided. The rotor has multiple first punches and multiple second punches, which are stacked to form a rotor core of the rotor. Multiple openings are provided in each of the first punches and second punches along a circumferential direction of the rotor. The openings divide the first punches and the second punches into a rotor yoke and multiple pole caps. The pole caps are arranged around the outer circumference of the rotor yoke. The openings extend in an axial direction of the rotor core to form a plurality of slots. Multiple magnets are arranged in the slots in a one-to-one correspondence. Each first punch includes one or more connecting ribs. Each connecting rib is disposed between adjacent two pole caps. At least two of the openings of each second punch communicate with each other.

Rotor, electric motor and compressor

A permanent magnet motor, a compressor and an air conditioner are disclosed. The permanent magnet motor has a stator and a rotor. The stator has a stator core and a stator winding. The rotor is spaced apart from the stator in an inner-outer direction. The rotor has a rotor core and a permanent magnet embedded in the rotor core. A maximum distance between an outer peripheral contour of a cross section of the rotor and a center of the cross section of the rotor is D, an axial length of rotor core is L, and a rated power of permanent magnet motor is P. D, L and P satisfy: D/L≥1.7 and P/(D×L)≥8.5, and the unit of P is W, and the unit of Dand L is cm.

Permanent magnet motor, compressor and air conditioner

An electric motor including a motor rotor and a motor stator including a stator core including a plurality of stator teeth spaced along a circumferential direction of the stator core, a plurality of coil groups, wherein each of the plurality of coil groups includes a plurality of coils wound on a corresponding stator tooth, and an incoming line terminal and an outgoing terminal both comprising a same number of coil ends, and two motor lead groups, wherein a number of the plurality of motor leads of each of the two motor lead groups is equal to a number of the plurality of coil groups, and wherein each of the plurality of motor leads is connected to one incoming line terminal or one outgoing line terminal of one corresponding coil group of the plurality of coil groups.

Electric motor and compressor

This present disclosure provides a compressor and a refrigeration device having the compressor. The refrigeration device has a coupling assembly and a frequency converter connected to one end of the coupling assembly. The compressor has a first shell and a permanent magnet motor. The permanent magnet motor is set in the first shell and connected to the other end of the coupling assembly. By designing the relevant parameters of the motor of the compressor, the efficiency of the motor and the compressor can be improved.

Compressor and refrigeration device

A motor stator () for a compressor, a permanent magnet motor (), and a compressor (A) are disclosed. The stator () includes: a stator core (); a stator winding (), the stator winding () including a plurality of coil groups, and each coil group having at least two connectors (); a lead-out wire () used to connect an external circuit and the stator winding (), there being a plurality of lead-out wires () and each lead-out wire () being connected to connectors of at least two different coil groups, wherein the rated voltage between terminals on which a motor is mounted is Un, the maximum outer diameter of the stator core () is Dmax, and the axial length of the stator core () is L, Un/(Dmax&#xd7;L)&#x2264;0.3 V/cm.

Motor stator for compressor, permanent magnet motor, and compressor

Disclosed are a permanent magnet motor, a compressor and a refrigeration system. In the permanent magnet motor, the diameter D of a contour circle of the smallest inner periphery of a stator, the diameter d of a contour circle of the largest outer periphery of a rotor, the fundamental wave amplitude Bm1 of an air-gap flux density at an average gap between the stator and the rotor, the axial length L of the rotor, the total number of serially connected turns Ns of each phase winding, and a bus DC voltage Udc of a frequency converter supplying power to the permanent magnet motor before inversion are set as: 0.003 Udc&#x2264;(D+d)&#xd7;L&#xd7;Bm1&#xd7;Ns&#x2264;0.008 Udc.

Growing community of inventors

Guangdong, China

Xiaohua Qiu