CN209200900U - A kind of permanent magnetism assist in synchronization reluctance motor stator and rotor sructure - Google Patents
A kind of permanent magnetism assist in synchronization reluctance motor stator and rotor sructure Download PDFInfo
- Publication number
- CN209200900U CN209200900U CN201920029618.9U CN201920029618U CN209200900U CN 209200900 U CN209200900 U CN 209200900U CN 201920029618 U CN201920029618 U CN 201920029618U CN 209200900 U CN209200900 U CN 209200900U
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- type groove
- rotor punching
- group
- auxiliary tank
- demagnetization
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Abstract
The utility model relates to a kind of permanent magnetism assist in synchronization reluctance motor structures, it include: stator core, auxiliary tank, rotor punching, U-type groove, motor shaft, stator winding, conducting bar, center magnetic bridge, demagnetization conductor and permanent magnet, auxiliary tank is symmetrically distributed in stator core, P group U-type groove has been distributed uniformly and circumferentially on rotor punching, in the tangential slot built-in permanent magnet of U-type groove, center magnetic bridge is equipped in U-type groove center line, semicircular arc-shaped notch is equipped at every group of U-type groove both ends, conducting bar built in semicircular arc-shaped notch, for fixed rotor punching position, on rotor punching, the lower section of corresponding every group of U-type groove is equipped with demagnetization conductor, auxiliary tank is symmetrically distributed in stator core, rotor punching is by U-type groove, permanent magnet, conducting bar, center magnetic bridge and demagnetization conductor are constituted, it is U-shaped that P group has been distributed uniformly and circumferentially on rotor punching Slot, in the tangential slot built-in permanent magnet of U-type groove.
Description
Technical field
The present invention relates to motor field, it is mainly used for improving synchronous magnetic resistance motor torque pulsation, weakens noise, be related to one kind
Permanent magnetism assist in synchronization reluctance motor structure.
Background technique
It is high-efficient without winding on synchronous magnetic resistance motor rotor, and control relatively simple；Compared to induction machine,
Consumptive material is less, and detent torque is larger, can be applied to the field of lifting, transport；Compared to the auspicious resistance motor of switch, torque arteries and veins
Dynamic and noise is smaller；As a kind of synchronous motor, have in some application fields especially for the field that speed has higher requirements
There is the advantage that oneself is solely relied on.These advantages make synchronous magnetic resistance motor currently by very big concern, and have development well and
Application potential, but there is still a need for raisings for power density due to synchronous magnetic resistance motor and efficiency, on this basis, it is auxiliary to propose permanent magnetism
Help this New-type electric machine of synchronous magnetic resistance motor.The rotor built-in permanent magnet of permanent magnetism assist in synchronization reluctance motor, there is biggish salient pole
Than while can guarantee high torque density again, the volume of motor is further decreased while with better speed adjusting performance, therefore
The research focus of New-type electric machine instantly is had become in the field.
Summary of the invention
The purpose of the present invention is to solve above-mentioned technical problems, and then provide a kind of permanent magnetism assist in synchronization reluctance motor knot
Structure, structure is simple, high reliablity, to solve and improve synchronous magnetic resistance motor torque pulsation and noise problem, by for
The change of stator core groove profile, the appropriate magnetic that cuts off hinder end, are formed " notch ", to reduce main magnetic circuit magnetic resistance, it is poor to increase motor
It is worth inductance, to improve the running quality of motor.
Technical solution of the present invention: a kind of permanent magnetism assist in synchronization reluctance motor structure, comprising: stator core, turns auxiliary tank
Sub- punching, U-type groove, motor shaft, stator winding, conducting bar, center magnetic bridge, demagnetization conductor and permanent magnet.
The auxiliary tank is symmetrically distributed in the stator core,
P group U-type groove it has been distributed uniformly and circumferentially on the rotor punching, built in the tangential slot in the U-type groove forever
Magnet, is equipped with center magnetic bridge in the U-type groove center line, is equipped with semicircular arc-shaped notch, the semi arch at every group of U-type groove both ends
Conducting bar built in shape notch is used for fixed rotor punching position, and on the rotor punching, the lower section of corresponding every group of U-type groove is equipped with
Demagnetization conductor.
Further, the stator core includes: stator winding and auxiliary tank, and the auxiliary tank is symmetrically distributed in the stator
On iron core, auxiliary tank is added, for weakening torque pulsation, increases salient pole ratio, the stator winding is along the circumferential direction distributed, should be around
Group is distributed winding.
Further, in order to optimize electric machine structure, the rotor punching by U-type groove, permanent magnet, conducting bar, center magnetic bridge and
Demagnetization conductor is constituted, and P group U-type groove has been distributed uniformly and circumferentially on the rotor punching, in the tangential slot of the U-type groove
Permanent magnet is set, permanent magnet material is ferrite, is equipped with center magnetic bridge in the U-type groove center line, connects by thin thin magnetic bridge
Each U-type groove, the magnetic barrier on rotor punching can play good separated magnetic effect, while can block and enter stator by air gap
The magnetic line of force, be equipped with semicircular arc-shaped notch at every group of U-type groove both ends, conducting bar built in the semicircular arc-shaped notch turns for fixed
Sub- punching position makes rotor punching be able to bear bigger active force, improves mechanical strength, prevents U type groove from generating deformation,
On the rotor punching, the lower section of corresponding every group of U-type groove is equipped with demagnetization conductor, reduces the axial direction for being generated by magnetic field and flowing through motor shaft
Electric current.
The invention has the following advantages: firstly, the torque pulsation of motor and noise further weaken, secondly, passing through
Barrier end is grown in change to motor rotor stamping sheet structure, excision appropriate, is differed magnetic barrier width, is reduced main magnetic circuit magnetic resistance,
To improve torque density, finally, this rotor punching can be applied to extensive speed regulating section, the mechanical strength of rotor is more
Be it is superior, reduce and cost it is not high, can largely go into operation.
Detailed description of the invention
Fig. 1 is the electric machine rotor structural profile illustration of the invention；Fig. 2 is U-type groove diagrammatic cross-section.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail.
A kind of permanent magnetism assist in synchronization reluctance motor structure, comprising: stator core 1, stator winding 2, auxiliary tank 3, conducting bar 4,
U-type groove 5, center magnetic bridge 6, rotor punching 7, motor shaft 8 and demagnetization conductor 9,
The stator core 1 is made of stator winding 2 and auxiliary tank 3, and the auxiliary tank 3 is symmetrically distributed in the stator iron
On the heart 1, auxiliary tank 3 is added, for weakening torque pulsation, increases salient pole ratio, the stator winding 2 is along the circumferential direction distributed, should
Winding is distributed winding；
The rotor punching 7 is made of U-type groove 5, conducting bar 4, center magnetic bridge 6 and demagnetization conductor 9, on the rotor punching 7
It has been distributed uniformly and circumferentially P group U-type groove 5, center magnetic bridge 6 has been equipped in 5 center line of U-type groove, passes through thin thin magnetic bridge
Connect each U-type groove 5, magnetic on rotor punching 7 barrier can play good separated magnetic effect, while can block by air gap into
The magnetic line of force for entering stator is equipped with semicircular arc-shaped notch at every group of 5 both ends of U-type groove, and conducting bar 4 built in the semicircular arc-shaped notch is used
In fixed rotor punching position, rotor punching 7 is made to be able to bear bigger active force, improve mechanical strength, prevents U-type groove 5 from producing
Raw deformation, on the rotor punching 7, the lower section of corresponding every group of U-type groove 5 is equipped with demagnetization conductor 9, reduces and is flowed through by magnetic field generation
The axial current of motor shaft 8.
In conjunction with Fig. 2 in the tangential slot built-in permanent magnet 10 of the U-type groove, permanent magnet material is ferrite.
As a preferred embodiment, fan 19 uses 5 flabellums, air passage rates are increased.
While the invention has been described with reference to certain embodiments, it will be appreciated by those of skill in the art that can be formed each
Kind variation, and equivalent can substitute its element and be made without departing from the scope of the present invention.The present invention is not only to synchronous magnetic resistance motor
Stator and rotor sructure is innovated, and motor is made to weaken torque pulsation and noise, and further, the present invention is also by auxiliary to permanent magnetism
It helps the rotor punching of synchronous magnetic resistance motor to be improved, motor difference inductance is increased by tooth slot structure, improves torque
Density, and mechanical strength is increased, the efficiency of motor is improved in this way, reduces loss.
Claims (2)
1. a kind of permanent magnetism assist in synchronization reluctance motor structure, comprising: stator core (1), auxiliary tank (3), is led at stator winding (2)
Item (4), U-type groove (5), center magnetic bridge (6), rotor punching (7), motor shaft (8) and demagnetization conductor (9), which is characterized in that described
Stator core (1) is made of stator winding (2) and auxiliary tank (3), and the auxiliary tank (3) is symmetrically distributed in the stator core
(1) it on, is added auxiliary tank (3), the stator winding (2) is along the circumferential direction distributed, which is distributed winding；The rotor
Punching (7) is made of U-type groove (5), conducting bar (4), center magnetic bridge (6) and demagnetization conductor (9), along circle on the rotor punching (7)
Circumferential direction is evenly distributed with P group U-type groove (5), is equipped with center magnetic bridge (6) in the U-type groove (5) center line, passes through thin thin magnetic
Bridging connects each U-type groove (5), is equipped with semicircular arc-shaped notch at every group of U-type groove (5) both ends, leads built in the semicircular arc-shaped notch
Item (4), on the rotor punching (7), the lower section of corresponding every group of U-type groove (5) is equipped with demagnetization conductor (9), and reduction is produced by magnetic field
The raw axial current for flowing through motor shaft (8).
2. a kind of permanent magnetism assist in synchronization reluctance motor structure according to claim 1, which is characterized in that in the U-type groove
Tangential slot built-in permanent magnet (10), the material of permanent magnet are ferrite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029618.9U CN209200900U (en) | 2019-01-09 | 2019-01-09 | A kind of permanent magnetism assist in synchronization reluctance motor stator and rotor sructure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029618.9U CN209200900U (en) | 2019-01-09 | 2019-01-09 | A kind of permanent magnetism assist in synchronization reluctance motor stator and rotor sructure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200900U true CN209200900U (en) | 2019-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920029618.9U Expired - Fee Related CN209200900U (en) | 2019-01-09 | 2019-01-09 | A kind of permanent magnetism assist in synchronization reluctance motor stator and rotor sructure |
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| CN (1) | CN209200900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450211A (en) * | 2019-01-09 | 2019-03-08 | 哈尔滨理工大学 | A kind of permanent magnetism assist in synchronization reluctance motor structure |
-
2019
- 2019-01-09 CN CN201920029618.9U patent/CN209200900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450211A (en) * | 2019-01-09 | 2019-03-08 | 哈尔滨理工大学 | A kind of permanent magnetism assist in synchronization reluctance motor structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20200109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |