Gree Electric Appliances, Inc. of Zhuhai

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai

Other

Zhuhai Perfection Technology Co., Ltd

Li, Xin

Xin Li

Gao Gong

Fang Zhang

Chao Zhang

Jiuzhan Su

Xiaobo Zhang

Mingxing Deng

Ruhao Dong

Jianhui Wang

Yusheng Hu

Jianning Liu

Weilin Guo

Siyuan Tian

Fei Wang

Dunying Zhong

Penghui Liu

Hao Liang

Weijie Zhao

Zhitao Wei

Zhanqin Liu

Rui Wu

Zhehao Deng

Jiajia Liu

The present disclosure relates to a stator of a magnetic levitation bearing, a magnetic levitation bearing, and a compressor. The stator of the magnetic levitation bearing includes a stator core (), a stator coil () wound around the stator core (), a housing () sleeved outside the stator core () and having a clearance fit or a transition fit with the stator core (), and a potting component () filled between the housing () and the stator core ().

Stator of magnetic levitation bearing, magnetic levitation bearing, and compressor

The present disclosure provides a stator core, a magnetic levitation bearing, and a motor. The stator core is used in the magnetic levitation bearing and includes an annual yoke. The annular yoke has an inner circumferential wall and an outer circumferential wall, a plurality of pole pillars are disposed on the inner circumferential wall, and each of the plurality of pole pillars extends towards an axis of the inner circumferential wall, there is a distance D between an axis of the outer circumferential wall and the axis of the inner circumferential wall, and D≠0 is satisfied. According to the stator core, the magnetic levitation bearing, and the motor of the present disclosure, the stator core has a non-centrosymmetric structure, so that a cross-sectional area of a magnetic path in some region of the stator core is increased, which is beneficial to an improvement of an output force of the magnetic levitation bearing.

Stator core, magnetic levitation bearing, and motor

A radial stator includes a stator core, and the stator core includes a stator outer ring. M magnetic poles are arranged on an inner circumferential wall of the stator outer ring, and are evenly distributed along the inner circumferential wall of the stator outer ring. The M magnetic poles include Mmagnetic poles arranged along the inner circumferential wall of the stator outer ring and Mmagnetic poles arranged along the inner circumferential wall of the stator outer ring; M≥2, M≥1, and M≤1; the Mmagnetic poles and the Mmagnetic poles are arranged on two sides of the stator outer ring with respect to a radial direction thereof, respectively; each of the Mmagnetic poles is provided with a first winding; and each of the Mmagnetic poles is provided with a second winding; and a coil turn Nof the first winding is greater or less than a coil turn Nof the second winding.

Radial stator, magnetic levitation bearing, installation method, and motor

The present disclosure provides a magnetic suspension bearing stator, a compressor and an air conditioner. The bearing stator includes a frame, a bearing iron core and an axial winding, the frame is provided with an accommodation recess used to position the axial winding. A position-limiting portion is disposed in the accommodation recess, and the position-limiting portion is used to keep the axial winding in the accommodation recess. The frame is provided with a first positioning portion for connecting with the bearing iron core on the outer wall surfaces of both sides of the accommodation recess. The frame is not easy to come out from the bearing core, and the axial winding is not easy to come out from the frame, so that the relative position between the axial winding and the bearing iron core is fixed.

Bearing stator, compressor and conditioner

Magnetic levitation bearing structure includes a cylinder body, a rotating shaft, a motor stator, a motor rotor, an axial bearing, a radial bearing and a displacement sensing device; the displacement sensing device, the axial bearing stator, and the radial bearing stator are directly fixed on an inner wall of the cylinder body.

Magnetic levitation bearing structure and magnetic levitation compressor structure

A magnetic levitation bearing, a magnetic levitation rotor support assembly, and a compressor. The magnetic levitation bearing is used for supporting a rotor by interacting with a thrust disc on the rotor, and comprises: a radial stator core having an annular structure, which is disposed on a radial outer side of the thrust disc and corresponds to the thrust disc in an axial direction of the rotor, the radial stator core and the thrust disc being separated by a first radial gap X; and a radial control coil, which is disposed on the radial stator core and can generate a radial electromagnetic force to the thrust disc in a radial direction of the rotor.

Magnetic levitation bearing, magnetic levitation rotor support assembly, and compressor

The present disclosure provides a wiring structure of a magnetic suspension bearing, a compressor and an air conditioner. The wiring structure of a magnetic suspension bearing, for electrically connect a control coil of the magnetic suspension bearing with an external power source, includes a circuit board; wherein the number of the magnetic suspension bearing is two or more, and the control coils of the two or more magnetic suspension bearings are all configured to electrically connect to the circuit board, and the circuit board is configured to connect to the external power source. The present disclosure has the advantages of reasonable design, simple structure, implementation of integrating wiring of multiple magnetic suspension bearings, simplification of wiring work, improvement of production efficiency, and improvement of wiring reliability.

Wiring structure of magnetic suspension bearing, compressor and air conditioner

A magnetic unlocking device and a magnetic unlocking structure of a magnetic encoding key. The magnetic unlocking structure includes a lock core device and a magnetic unlocking device. The lock core device includes a lock core casing, a lock knob which is provided in the internal cavity of the lock core casing, a lock care front end cover and a lock core rear end cover that are located at both ends of the lock core casing. The internal wall of the lock core casing is provided with a monad longitudinal moving groove and a monad horizontal rotating groove. The lock knob is provided with an unlocking hole. The external wall of the lock knob is provided with a monad longitudinal slide-way. The monad longitudinal slide-way and the monad longitudinal moving groove correspond to each other and form a monad moving cavity.

Magnetic unlocking device and magnetic unlocking structure of magnetic encoding key

A magnetic coding free pin type lock cylinder structure includes: a lock cylinder housing (), a lock knob () disposed within the lock cylinder housing (), a lock cylinder front end cover () and a lock cylinder rear end cover (). Pin vertically moving grooves () and pin horizontally rotary grooves () are provided on an inner wall of the lock cylinder housing (). An unlocking hole () for a magnetic coding key () is provided on the lock knob (). A plurality of pin vertical sliding grooves () is provided on an outer wall of the lock knob (). Free pins are provided in at least one of the plurality of pin vertical sliding grooves (), and the free pins are big pins () or small pins ().

Magnetic coding free pin type lock cylinder structure

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Zhuhai, China

Xin Li