CN209375261U - A kind of stator and rotor sructure promoting permasyn morot performance - Google Patents
A kind of stator and rotor sructure promoting permasyn morot performance Download PDFInfo
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- CN209375261U CN209375261U CN201920090924.3U CN201920090924U CN209375261U CN 209375261 U CN209375261 U CN 209375261U CN 201920090924 U CN201920090924 U CN 201920090924U CN 209375261 U CN209375261 U CN 209375261U
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- stator
- coercivity permanent
- permanent magnet
- low
- permanent magnets
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Abstract
A kind of stator and rotor sructure promoting permasyn morot performance, including rotor punching, stator arc groove, stator winding, rectangular recess, high-coercive force and low-coercivity permanent magnet, magnet isolation tank one and two, arc ventilation hole, it is characterized in that: stator punching is outermost to be with arc groove, above and below stator winding, left and right is all double-layer structure, rotor punching is equipped with the arc ventilation hole of rectangular recess and circumferentially equidistant distribution, two kinds of coercitive permanent magnets of difference are distributed in "-" type and two permanent magnets of low-coercivity are placed among High-coercivity Permanent Magnets in parallel, each permanent magnet, which is equipped with, certain distance interval between magnet isolation tank and each permanent magnet.Setting in this way is conducive to the distribution and heat dissipation of the magnetic line of force, fills weak magnetic control convenient for permanent magnet, reduces motor material cost, the non-uniform gap of generation reduces air gap flux density harmonic wave, cogging torque, improves the overall operation performance of permasyn morot.
Description
Technical field
The utility model relates to a kind of stator and rotor sructures for promoting permasyn morot performance, and in particular to arrive rotor
The design of punching, stator winding, rotor punching and permanent magnet belongs to magneto field.
Background technique
With the fast development of China's economy and science and technology, so that the performance of permanent-magnet material improves, price reduction, permanent-magnet synchronous
Motor is also more widely used in the every field such as industry, agricultural, military and daily life trip, permanent-magnet synchronous
Motor pushes the economic development in China to step a upper new step as new power drive unit.
There is also many areas for improvement for the permasyn morot that the country uses at present, are mostly permanent magnet excitation
Fixed, the main flux of generation also just immobilizes, it is difficult to speed regulating control is realized, in addition, there are gas for permasyn morot at present
Gap flux density harmonic wave, cogging torque, and the problems such as heat dissipation.
And for the new-energy automobile that the country is widely popularized, the permasyn morot used is mainly with built-in Formula V font
Permanent magnet be advocate peace single "-" type permanent magnet based on, and V-shape permanent magnet is easy to produce the anti-electricity with high harmonic content
Kinetic potential destroys air gap magnetic density waveform, influences the weak magnetic control of motor, and the motor that single "-" type magnet structure generates turns
Square density and power capability are lower.
The utility model proposes a kind of stator and rotor sructure for promoting permasyn morot performance on this basis, optimizes
Synchronous permanent-magnet motor field performance, air gap magnetic density waveform, heat dissipation performance and cogging torque.
Utility model content
The utility model proposes a kind of promotion permasyn morot according to the shortcoming of existing synchronous permanent-magnet motor
What the stator and rotor sructure of performance reduced permanent magnet fills weak magnetic difficulty, improves weak magnetism speed expansion ability, improves the air gap magnetic of motor
Condensation wave shape optimizes cogging torque, improves whole radiating efficiency.
In order to realize the promotion of above-mentioned performance, the utility model provides a kind of rotor knot of permasyn morot performance
Structure, comprising: rotor punching, stator arc groove, stator winding, rectangular recess, High-coercivity Permanent Magnets, low-coercivity permanent magnetism
Body, magnet isolation tank one, magnet isolation tank two, arc ventilation hole.
Particularly, stator punching periphery is equipped with stator arc groove, and the symmetry axis of arc groove and stator tooth is symmetrical
Overlapping of axles, and the quantity of arc groove is the multiple of motor pole number.
Particularly, stator winding uses Dual-layer, left and right double-layer structure.
Particularly, rotor punching periphery is equipped with rectangular recess identical with number of poles, and four angles of rectangular recess use fillet
Excessive manner, rectangular recess is along the circumferentially equidistant distribution of motor.
Particularly, the arc ventilation hole number of segment on rotor punching is identical as the number of poles of motor, and arc ventilation hole is rectified about height
Stupid power permanent magnet center line is symmetrical and along the circumferentially equidistant distribution of motor, and every section of arc ventilation hole is containing there are three equidistant and institutes
Across the identical ventilation hole of circumferential angle.
Particularly, two High-coercivity Permanent Magnets are "-" type structure, and the motor d axial symmetry about the magnetic pole is arranged, point
It is not placed in above and below two parallel low-coercivity permanent magnets, four corners of High-coercivity Permanent Magnets are equipped with arc line shaped every magnetic
Slot one.
Particularly, two parallel setting low-coercivity permanent magnets are parallel with High-coercivity Permanent Magnets, and two low-coercivities are forever
Magnet is arranged about the motor d axial symmetry of the magnetic pole, has between low-coercivity permanent magnet interval to be arranged, and similarly low-coercivity is forever
There is interval to be arranged between magnet and High-coercivity Permanent Magnets, and low-coercivity permanent magnet both sides are equipped with crescent magnet isolation tank two.
Particularly, it is 60% to 70% that High-coercivity Permanent Magnets, which account for the ratio of entire permanent magnet, and low-coercivity permanent magnet
It is identical then to account for 30% to 40%, and two High-coercivity Permanent Magnets material and shape, sizes, two low-coercivity permanent magnet materials,
Shape, size are identical.
The utility model provides a kind of stator and rotor sructure for promoting permasyn morot performance, and stator arc groove increases
Motor do not influence the magnetic line of force distribution increase heat dissipation area；Stator winding uses up and down and left and right is all for Double Layer Winding knot
Structure sufficiently improves coil utilization rate, reduces tip lengths, saves conductor material cost, reduces the harmonic wave of stator current；Low coercive
Power permanent magnet is placed among High-coercivity Permanent Magnets parallel, promotes motor idOperational efficiency when being zero, motor are low when operating normally
Coercivity permanent magnet is in increasing magnetic state and guarantees that motor is in the stable state of high-speed cruising, while avoid when weak magnetism speed expansion
There is expendable demagnetization situation in low-coercivity permanent magnet；Two low-coercivity permanent magnets are located at the magnetic of High-coercivity Permanent Magnets
Pole position of center line and about the center line symmetrical setting, reduce low-coercivity permanent magnet fills weak magnetic difficulty, and reduction is filled weak
The size of magnetoelectricity stream also maintains stability when permasyn morot operates normally simultaneously.
Detailed description of the invention
Fig. 1, for containing there are two the stator and rotor sructure figures of magnetic pole.
Fig. 2 is entire electric machine rotor structure chart.
Fig. 3 has the floor map of arc line shaped magnet isolation tank for entire high-coercive force permanent magnetism.
Fig. 4 has the floor map of crescent magnet isolation tank for entire low-coercivity permanent magnetism.
In figure: 1, stator punching, 2, stator arc groove, 3, stator winding, 4, rotor rectangular recess, 5, high-coercive force forever
Magnet, 6, low-coercivity permanent magnet, 7, magnet isolation tank one, 8, magnet isolation tank two, 9, arc ventilation hole, 10, rotor punching.
Specific embodiment
Below with reference to the attached drawing of the utility model, the utility model is carried out by specific embodiment further detailed
It describes in detail bright.
In this present embodiment, a kind of stator and rotor sructure improving permasyn morot performance, including rotor punching, it is fixed
Subarc connected in star (2), stator winding (3), rectangular recess (4), High-coercivity Permanent Magnets (5), low-coercivity permanent magnet (6), every
Magnetic slot one (7), magnet isolation tank two (8), arc ventilation hole (9).
Particularly, stator punching (1) periphery is equipped with stator arc groove (2), and the symmetry axis and stator tooth of arc groove
Symmetrical overlapping of axles, and the quantity of arc groove be motor pole number multiple, in this way do not influencing the magnetic line of force distribution the case where
Under, the heat dissipation area for increasing motor promotes the heat dissipation performance of motor.
Particularly, stator winding (3) uses Dual-layer, and left and right double-layer structure sufficiently improves coil utilization rate, reduces end
Minister's degree saves conductor material cost, reduces Stator Current Harmonic.
Particularly, rotor punching (10) periphery is equipped with rectangular recess (4) identical with number of poles, has obtained non-uniform gap,
Improve air gap magnetic density waveform, reduce cogging torque, four angles of rectangular recess use fillet excessive manner, stabilize motor operation
When mechanical strength, rectangular recess is along the circumferentially equidistant distribution of motor.
Particularly, arc ventilation hole (9) number of segment on rotor punching (10) is identical as the number of poles of motor, and arc ventilation hole closes
It is symmetrical in High-coercivity Permanent Magnets center line and along the circumferentially equidistant distribution of motor, there are three every section of arc ventilation hole (9) contains
Across the identical ventilation hole of circumferential angle, the setting of arc ventilation hole improves the radiating efficiency of motor, is conducive to for equidistant and institute
Magnetic line of force distribution is guided, the use of rotor punching material is reduced.
Not, two High-coercivity Permanent Magnets (5) are "-" type structure, and the motor d axial symmetry about the magnetic pole is arranged, point
It is not placed in above and below two parallel low-coercivity permanent magnets (6), efficiently reduces permanent magnet institute in radial directions
The area accounted for, improves the utilization rate of permanent magnet, and (5) four corners of High-coercivity Permanent Magnets are equipped with arc line shaped magnet isolation tank one
(7), leakage field is efficiently reduced.
Particularly, two parallel settings low-coercivity permanent magnet (6) are parallel with High-coercivity Permanent Magnets (5), and two low strong
Stupid power permanent magnet (6) is arranged about the motor d axial symmetry of the magnetic pole, and reduce low-coercivity permanent magnet (6) fills weak magnetic difficulty,
Reduce the size for filling weak magnetoelectricity stream, there is interval to be arranged between low-coercivity permanent magnet (6), similarly low-coercivity permanent magnet (6)
There is interval to be arranged between High-coercivity Permanent Magnets (5), High-coercivity Permanent Magnets can be reduced in this way to low-coercivity permanent magnet
Influence, while also functioning to certain guarantor's magnetic action to low-coercivity permanent magnet, avoid the occurrence of expendable demagnetization phenomenon, and
And low-coercivity permanent magnet both sides efficiently reduce magnetic flux leakage equipped with crescent magnet isolation tank two (8) and simultaneously effective reduce
Influence of the High-coercivity Permanent Magnets (5) to low-coercivity permanent magnet (6), promotes the stability of motor operation.
Particularly, it is 60% to 70% that High-coercivity Permanent Magnets (5), which account for the ratio of entire permanent magnet, and low-coercivity permanent magnetism
Body (6) then accounts for 30% to 40%, and High-coercivity Permanent Magnets (5) and low-coercivity permanent magnet (6) the ratio cooperation being arranged in this way make
Permasyn morot torque density and power density reach highest, and two High-coercivity Permanent Magnets material and shape,
Size is identical, and two low-coercivity permanent magnet materials, shape, sizes are identical.
Those skilled in the art can also modify and replace on the basis of not departing from the utility model, these behaviour
All fall within the scope of the present invention.
Claims (8)
1. a kind of stator and rotor sructure for promoting permasyn morot performance, it is characterized in that stator and rotor sructure includes rotor punching
Piece, stator arc groove (2), stator winding (3), rectangular recess (4), High-coercivity Permanent Magnets (5), low-coercivity permanent magnet
(6), magnet isolation tank one (7), magnet isolation tank two (8), arc ventilation hole (9).
2. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that fixed
Sub- punching (1) periphery is equipped with stator arc groove (2), and the symmetrical overlapping of axles of the symmetry axis of arc groove and stator tooth, and
The quantity of arc groove is the multiple of motor pole number.
3. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that fixed
Sub- winding (3) uses Dual-layer, left and right double-layer structure.
4. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that turn
Sub- punching (10) periphery is equipped with rectangular recess (4) identical with number of poles, and four angles of rectangular recess use fillet excessive manner, square
Connected in star is along the circumferentially equidistant distribution of motor.
5. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that turn
Arc ventilation hole (9) number of segment on sub- punching (10) is identical as the number of poles of motor, and arc ventilation hole is about High-coercivity Permanent Magnets
Center line is symmetrical and along the circumferentially equidistant distribution of motor, and every section of arc ventilation hole (9) is containing there are three equidistant and institutes across circumference
The identical ventilation hole of angle.
6. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that two
A High-coercivity Permanent Magnets (5) are "-" type structure, and the motor d axial symmetry about the magnetic pole is arranged, and are respectively placed in two parallel
Above and below low-coercivity permanent magnet (6), (5) four corners of High-coercivity Permanent Magnets are equipped with arc line shaped magnet isolation tank one (7).
7. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that two
A parallel setting low-coercivity permanent magnet (6) is parallel with High-coercivity Permanent Magnets (5), two low-coercivity permanent magnets (6) about
The motor d axial symmetry of the magnetic pole is arranged, and has interval to be arranged between low-coercivity permanent magnet (6), similarly low-coercivity permanent magnet
(6) interval is arranged between High-coercivity Permanent Magnets (5), and low-coercivity permanent magnet both sides are equipped with crescent magnet isolation tank two
(8).
8. a kind of stator and rotor sructure for promoting permasyn morot performance according to claim 1, it is characterised in that high
The ratio that coercivity permanent magnet (5) accounts for entire permanent magnet is 60% to 70%, and low-coercivity permanent magnet (6) then accounts for 30% to 40%,
And two High-coercivity Permanent Magnets material and shape, sizes are identical, two low-coercivity permanent magnet materials, shape, sizes are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090924.3U CN209375261U (en) | 2019-01-21 | 2019-01-21 | A kind of stator and rotor sructure promoting permasyn morot performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090924.3U CN209375261U (en) | 2019-01-21 | 2019-01-21 | A kind of stator and rotor sructure promoting permasyn morot performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375261U true CN209375261U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920090924.3U Expired - Fee Related CN209375261U (en) | 2019-01-21 | 2019-01-21 | A kind of stator and rotor sructure promoting permasyn morot performance |
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| CN (1) | CN209375261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546763A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of stator and rotor sructure promoting permasyn morot performance |
-
2019
- 2019-01-21 CN CN201920090924.3U patent/CN209375261U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546763A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of stator and rotor sructure promoting permasyn morot performance |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |