Magnetic steel fixing structure and rotor
A fixed structure, magnetic steel technology, 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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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 magnetic steel slot of the permanent magnet synchronous motor in the prior art
Method used
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Embodiment 1
[0033] A magnetic steel fixing structure, including an opening structure 1, an insert 2 and a connecting piece 7, the opening structure 1 is arranged at the end of the iron core 3, the opening structure 1 is located on the side of the magnetic steel groove 4 close to the central axis of the iron core 3, The opening structure 1 is close to the magnetic steel slot 4 and the iron core 3 between the opening structure 1 and the magnetic steel slot 4 forms a deformable structure 5, the insert 2 is connected with the connecting piece 7, and the insert 2 can be inserted into the corresponding opening structure 1 And the insert 2 can press the deformable structure 5 so that the deformable structure 5 can press the magnetic steel 6 on the iron core 3 .
Embodiment 2
[0035] 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 relative motion between a magneticsteel and a magnetic steel groove of a permanent magnet synchronous motor in the prior art. The device comprises an opening structure and an insert, wherein the opening structure is arranged on the iron core of the rotor, the insert is arranged in the opening structure, and the insert can squeeze the iron core between the opening structure and the magnetic steel groove of the rotor so that the iron core of the rotor can squeeze the magnetic steel of the rotor in the magnetic steel groove. The magnetic steel fixing structure provided by the invention is used for fixing the magnetic steel on the 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 the synchronous action of the permanent magnet magnetic field 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 ...
Claims
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IPC IPC(8): H02K1/27H02K1/28H02K21/14
CPCH02K1/2706H02K1/28H02K21/14
Inventor 余业甲龚海涛王强
Owner ZHUHAI LANDA COMPRESSOR