Magnetic steel fixing structure and rotor
A technology of fixing structure and magnetic steel, applied in the direction of magnetic circuit shape/style/structure, magnetic circuit rotating parts, magnetic circuit, etc.
Pending Publication Date: 2019-01-18
ZHUHAI LANDA COMPRESSOR +1
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- Abstract
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Problems solved by technology
[0005] The purpose of the present invention is to provide a magnetic steel fixing structure and rotor, which solves the technical problem of relative motion between the magnetic steel and the iron core of the permanent magnet synchronous motor in the prior art
Method used
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Embodiment 1
[0032] A magnetic steel fixing structure, including an opening structure 1, a fixing part 2 and a connecting part 6, the opening structure 1 is arranged at the end of the iron core 3 and communicates with the magnetic steel groove 4, the opening structure 1 is located in the magnetic steel groove 4 close to the iron On one side of the central axis of the core 3 , the fixing part 2 is connected with the connecting part 6 , the fixing part 2 can be inserted into the corresponding opening structure 1 and the fixing part 2 can be deformed to squeeze the magnetic steel 5 on the iron core 3 .
Embodiment 2
[0034] A rotor includes the magnetic steel fixing structure described in Embodiment 1.
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The invention provides a magnetic steel fixing structure and a rotor, which relate to the technical field of an electric machine, and solves the technical problem of the relative motion between the magnetic steel and the iron core of a permanent magnet synchronous motor in the prior art. The device comprises an opening structure and a fixing member; an opening structure arranged on an iron core ofthe rotor, the opening structure communicating with a magnetic steel groove on the iron core, and a fixing member arranged in the opening structure and capable of producing deformation to extrude themagnetic steel of the rotor on the iron core. The invention provides a magnetic steel fixing structure for fixing the magnetic steel to an iron core.
Description
technical field [0001] The invention relates to the technical field of motors, in particular to a magnetic steel fixing structure and a rotor using the magnetic steel fixing structure to fix the magnetic steel. Background technique [0002] The permanent magnet synchronous motor is a motor that realizes electromechanical energy conversion by synchronizing the magnetic field of the permanent magnet on the rotor and the rotating magnetic field generated by the stator. The permanent magnet generates the main magnetic field. When the rotor phase leads the stator rotating magnetic field, the three-phase stator winding reacts through the armature under the action of the rotor rotating magnetic field, and induces a three-phase symmetrical current on the stator. At this time, the mechanical energy is converted into electrical energy, and the permanent magnet synchronous motor is used as a generator. In addition, when the three-phase symmetrical current is applied to the stator side,...
Claims
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IPC IPC(8): H02K1/27H02K1/28H02K21/14
CPCH02K1/2706H02K1/28H02K21/14
Inventor 余业甲龚海涛范清姗
Owner ZHUHAI LANDA COMPRESSOR