CN206389194U - The rotor of permanent-magnetic power generator of cogging torque can be overcome - Google Patents
The rotor of permanent-magnetic power generator of cogging torque can be overcome Download PDFInfo
- Publication number
- CN206389194U CN206389194U CN201621430281.5U CN201621430281U CN206389194U CN 206389194 U CN206389194 U CN 206389194U CN 201621430281 U CN201621430281 U CN 201621430281U CN 206389194 U CN206389194 U CN 206389194U
- Authority
- CN
- China
- Prior art keywords
- center line
- core packet
- magnetic pole
- key slot
- included angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Brushless Motors (AREA)
Abstract
The utility model discloses a kind of rotor of permanent-magnetic power generator for overcoming cogging torque, the problem of noise, vibration and control difficulty are increased can be brought to magneto by solving the cogging torque of magneto.First core packet（7）On magnetic pole groove center line（4）With key slot center line（3）Between be provided with migration included angle to the left（6）, the second core packet（11）On magnetic pole groove center line（8）With key slot center line（3）Between be provided with migration included angle to the right（9）, before assembling, punching is first laminated into the core packet that N sections of length are L.During assembling, first one section of core packet is through on axle from anti-drive end to drive end, then magnet steel is loaded into magnet steel groove, cowl flap is then charged into, core packet is overturn 180 ° during dress second segment core packet, is through on axle, the purpose of magnetic pole dislocation is reached.By that analogy, until installing.The utility model plays the effect close with armature core skewed slot, improves the performance of motor.
Description
Technical field
The utility model is related to a kind of rotor of permanent-magnetic power generator, more particularly to a kind of permanent magnet generator for overcoming cogging torque
Machine rotor.
Background technology
The structure of magneto is usually：Embedded winding, forms power coil on stator, is pressed on rotor axis of electric
Silicon steel sheet is filled, rotor core is formed, magnet steel groove is provided with the silicon steel sheet press-fited, magnet steel is embedded with magnet steel groove, is formed
Magnetic pole.When rotor rotates, magnetic pole cutting stator coil, and produce induced-current.Cogging torque is a kind of peculiar of magneto
Phenomenon, refers to the magnetic resistance moment that motor is shown during magneto winding no power.Motor produce cogging torque the reason for be：
Due to being provided with the groove of damascene wiring on stator, permanent magnet on rotor with the change of teeth groove relative position, suffered by rotor
To tangential pulling force and differ, produce rotor and be parked in the trend of some settling position, so as to form the cycle of cogging torque
Property fluctuation.During motor operation, cogging torque does not interfere with average torque, but can cause torque ripple.Do not have even in stator winding
When having electric current, cogging torque can also be present.Cogging torque can bring noise, vibration and control difficulty to increase to magneto
Problem.Cogging torque how is overcome to turn into motor assembled in situ urgent problem to be solved.
The content of the invention
The invention provides a kind of rotor of permanent-magnetic power generator for overcoming cogging torque, the teeth groove for solving magneto turns
Square can bring the technical problem that noise, vibration and control difficulty are increased to magneto.
The utility model is to solve above technical problem by the following technical programs：
A kind of rotor of permanent-magnetic power generator for overcoming cogging torque, including motor shaft, are provided with the first iron on motor shaft
Core section, the second core packet, the 3rd core packet and the 4th core packet, on motor shaft being provided with core packet penetrates key, in each iron core
Core packet is provided with section and penetrates groove, and core packet is worn by core packet centre bore and is connected on motor shaft, and core packet, which penetrates groove, is
Penetrate what key cooperated together with core packet, the key slot center line that the core packet on each core packet penetrates groove is overlapped one
Rise, set between the magnetic pole groove center line and key slot center line that are provided with each core packet on magnetic pole groove, the first core packet
Skew folder to the right is provided between the magnetic pole groove center line and key slot center line that are equipped with migration included angle to the left, the second core packet
It is provided between magnetic pole groove center line and key slot center line on angle, the 3rd core packet on migration included angle to the left, the 3rd core packet
Magnetic pole groove center line and key slot center line between the migration included angle to the left that sets be and the magnetic pole groove center on the first core packet
The migration included angle to the left set between line and key slot center line is equal, in the magnetic pole groove center line on the 4th core packet and keyway
Set between the magnetic pole groove center line and key slot center line that are provided between heart line on migration included angle to the right, the 4th core packet to
Right migration included angle is the migration included angle phase to the right set between the magnetic pole groove center line and key slot center line on the second core packet
Deng.
Set between the pole center line on odd number core packet and key slot center line that are set on motor shaft to left avertence
Move that angle is equal, set between the pole center line on even number core packet and key slot center line that are set on motor shaft to
Right migration included angle is equal.
Air vent and keyway are same center line when rotor punching is designed, and magnet steel groove center line opposing keyways center line is inclined
Move.Before assembling, punching is first laminated into the core packet that N sections of length are L.During assembling, first by one section of core packet from anti-drive end to drive
Moved end is through on axle, then magnet steel is loaded into magnet steel groove, is then charged into cowl flap, is overturn core packet during dress second segment core packet
180 °, it is through on axle, reaches the purpose of magnetic pole dislocation.By that analogy, until installing.
The utility model plays the effect close with armature core skewed slot, can reduce motor oscillating, noise, additional drag square
And cogging torque, improve the performance of motor.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the first core packet 7 of the present utility model；
Fig. 3 is the structural representation when core packet 11 of the first core packet 7 and second of the present utility model is overlapped together.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings：
A kind of rotor of permanent-magnetic power generator for overcoming cogging torque, including motor shaft 13, are provided with motor shaft 13
One core packet 7, the second core packet 11, the 3rd core packet 12 and the 4th core packet 10, on motor shaft 13 being provided with core packet wears
Enter key, core packet is provided with each core packet and penetrates groove 2, core packet is worn by core packet centre bore 1 and is connected on motor shaft 13
On, core packet, which penetrates groove 2 and penetrates key with core packet, to cooperate together, and the core packet on each core packet penetrates groove 2
Key slot center line 3 coincides together, and is provided with each core packet in the magnetic pole groove on magnetic pole groove 5, the first core packet 7
The magnetic pole groove center line 8 and keyway being provided between heart line 4 and key slot center line 3 on migration included angle 6 to the left, the second core packet 11
Between the magnetic pole groove center line and key slot center line 3 that are provided between center line 3 on migration included angle 9 to the right, the 3rd core packet 11
Set between the magnetic pole groove center line and key slot center line 3 that are provided with migration included angle to the left, the 3rd core packet 11 to left avertence
It is the phase of migration included angle to the left 6 set between the magnetic pole groove center line 4 and key slot center line 3 on the first core packet 7 to move angle
Deng, migration included angle to the right, the 4th iron core are provided between the magnetic pole groove center line and key slot center line 3 on the 4th core packet 10
The migration included angle to the right that sets is and the magnetic on the second core packet 11 between magnetic pole groove center line and key slot center line 3 in section 10
The migration included angle to the right 9 set between pole groove center line 8 and key slot center line 3 is equal.
Set to the left between the pole center line on odd number core packet and key slot center line 3 that are set on motor shaft 13
Migration included angle is equal, is set between the pole center line on even number core packet and key slot center line 3 that are set on motor shaft 13
The migration included angle to the right put is equal.
Claims (2)
1. a kind of rotor of permanent-magnetic power generator for overcoming cogging torque, including motor shaft（13）, in motor shaft（13）On be provided with
First core packet（7）, the second core packet（11）, the 3rd core packet（12）With the 4th core packet（10）, in motor shaft（13）On set
It is equipped with core packet and penetrates key, being provided with core packet on each core packet penetrates groove（2）, core packet passes through core packet centre bore
（1）Wear and be connected on motor shaft（13）On, core packet penetrates groove（2）Key is penetrated with core packet to cooperate together, each iron core
Core packet in section penetrates groove（2）Key slot center line（3）Coincide together, magnetic pole groove is provided with each core packet
（5）, it is characterised in that the first core packet（7）On magnetic pole groove center line（4）With key slot center line（3）Between be provided with to the left
Migration included angle（6）, the second core packet（11）On magnetic pole groove center line（8）With key slot center line（3）Between be provided with to right avertence
Move angle（9）, the 3rd core packet（11）On magnetic pole groove center line and key slot center line（3）Between be provided with to the left skew folder
Angle, the 3rd core packet（11）On magnetic pole groove center line and key slot center line（3）Between the migration included angle to the left that sets be and
One core packet（7）On magnetic pole groove center line（4）With key slot center line（3）Between the migration included angle to the left that sets（6）Equal,
4th core packet（10）On magnetic pole groove center line and key slot center line（3）Between be provided with migration included angle to the right, the 4th iron core
Section（10）On magnetic pole groove center line and key slot center line（3）Between the migration included angle to the right that sets be and the second core packet（11）
On magnetic pole groove center line（8）With key slot center line（3）Between the migration included angle to the right that sets（9）Equal.
2. a kind of rotor of permanent-magnetic power generator for overcoming cogging torque according to claim 1, it is characterised in that in motor
Axle（13）Pole center line and key slot center line on the odd number core packet of upper setting（3）Between the migration included angle to the left that sets it is equal
It is equal, in motor shaft（13）Pole center line and key slot center line on the even number core packet of upper setting（3）Between set to
Right migration included angle is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621430281.5U CN206389194U (en) | 2016-12-25 | 2016-12-25 | The rotor of permanent-magnetic power generator of cogging torque can be overcome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621430281.5U CN206389194U (en) | 2016-12-25 | 2016-12-25 | The rotor of permanent-magnetic power generator of cogging torque can be overcome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206389194U true CN206389194U (en) | 2017-08-08 |
Family
ID=59489810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621430281.5U Expired - Fee Related CN206389194U (en) | 2016-12-25 | 2016-12-25 | The rotor of permanent-magnetic power generator of cogging torque can be overcome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206389194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117850A (en) * | 2020-09-24 | 2020-12-22 | 安徽飞翔电器有限公司 | Mine explosion-proof special motor fanning strip |
| CN114069989A (en) * | 2021-11-11 | 2022-02-18 | 中船重工电机科技股份有限公司 | Assembly fixture for surface-mounted magnetic steel of permanent magnet motor rotor |
-
2016
- 2016-12-25 CN CN201621430281.5U patent/CN206389194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117850A (en) * | 2020-09-24 | 2020-12-22 | 安徽飞翔电器有限公司 | Mine explosion-proof special motor fanning strip |
| CN114069989A (en) * | 2021-11-11 | 2022-02-18 | 中船重工电机科技股份有限公司 | Assembly fixture for surface-mounted magnetic steel of permanent magnet motor rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20211225 |