CN206283346U - A kind of high speed permanent magnet motor rotor structure and motor - Google Patents
A kind of high speed permanent magnet motor rotor structure and motor Download PDFInfo
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- CN206283346U CN206283346U CN201621461090.5U CN201621461090U CN206283346U CN 206283346 U CN206283346 U CN 206283346U CN 201621461090 U CN201621461090 U CN 201621461090U CN 206283346 U CN206283346 U CN 206283346U
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- magnet motor
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Abstract
The utility model is related to a kind of high speed permanent magnet motor rotor structure, it includes rotor core, permanent magnet, rotor jacket, rotor fan, spacing sliver, rotor core along the circumferential direction uniform one layer of V-shaped permanent magnet mounting groove, the opening of V-arrangement permanent magnet mounting groove is towards stator, rotor core axial direction two ends are provided with end plate I and end plate II, rotor fan is provided with the outside of end plate I of rotor core side, the material of rotor end plates I and end plate II is non-magnetic stainless steel or other high intensity non-magnet_conductible materials.The utility model is provided with non-magnetic spacing sliver by V-type magnetic pole two ends, serves the effect for limiting permanent magnet position in groove；Permanent magnet is divided into polylith both axially and radially, the generation being vortexed on permanent magnet is reduced, while also reducing the stress that permanent magnet is subject in groove；By setting lightening hole and fan, the weight of rotor is not only reduced, while increased cooling air channel.The utility model further relates to a kind of motor including this high speed permanent magnet motor rotor structure.
Description
Technical field
The utility model is related to machine field, and in particular to a kind of high speed permanent magnet motor rotor structure and motor.
Background technology
The problems such as with environment and energy crisis it is increasingly serious, energy-efficient electrical equipment turns into development trend, by
This has greatly facilitated high power density, the development of efficient rare earth permanent-magnet synchronization motor.And in automotive field, due to space
With the limitation of weight, it is desirable to which the appearance and size of magneto is small, lightweight, therefore increasing vehicle-mounted magneto starts to adopt
With high-speed permanent magnet motor, high-speed permanent magnet motor is that rotor structure with the essential distinction of common magneto.Application No.
CN201510267300.0's《A kind of magnet fixing structure of permanent of surface-mount type high-speed permanent magnet motor》A kind of surface-mount type is disclosed to turn
Minor structure, including rotor core, permanent magnet, rotor jacket, rotating shaft, described permanent magnet is tile form, installed in rotor iron
Wicking surface, rotor jacket hot jacket is in permanent magnet surfaces.The permanent magnet of the program is tile shape, is not suitable for processing characteristics poor
Samarium cobalt permanent magnet body, working rotor temperature can not be very high；The rotor core of the program uses the solid rotor being integrated with rotating shaft, high
Frequency easily produces larger eddy-current loss when running, improve rotor temperature rise.
Application No. CN201510968846.9's《Composite poles formula built-in radial V-type permagnetic synchronous motor》Disclose one
Rotor structure is planted, rotor magnetic pole is one or more layers embedded V-type magnet structure；Rotor magnetic pole includes two rare earth permanent magnet magnetic
1 rare earth permanent magnet magnetic pole and 1 are embedded in pole and two ferrite permanent-magnet magnetic poles, every ramped aisle of V-type permanent magnet mounting groove
Individual ferrite permanent-magnet magnetic pole；Two magnetic poles in same ramped aisle are the parallel magnetization with the ramped aisle vertical direction,
And magnetizing direction is identical；Magnetizing direction simultaneously to V-shape inside or simultaneously to V-shape outside.This scheme needs to install two kinds forever
Magnet, each magnetic pole needs out two groups of V-shaped grooves, and complex structure, manufacturability is poor；Wherein make to bring about the desired sensation because ferritic remanent magnetism is smaller
The close amplitude of gap magnetic diminishes, and declines the fan-out capability of motor；In addition, use is worked as in the rotor outside in the program without sheath
During silicon sheet core, rotor strength during high-speed cruising cannot ensure.
Utility model content
The purpose of this utility model is to overcome disadvantages described above, there is provided a kind of rotor temperature rise is low, field structure is simply high
Fast rotor structure for permanent magnet motor and motor.
The technical solution of the utility model is：A kind of high speed permanent magnet motor rotor structure, it includes rotor core, permanent magnetism
Body, rotor jacket, rotor jacket are arranged on that rotor core is cylindrical, and also including rotor fan, spacing sliver, rotor core is circumferentially
The uniform one layer of V-shaped permanent magnet mounting groove in direction, the opening of V-arrangement permanent magnet mounting groove towards stator, the V-arrangement permanent magnet mounting groove
Section is trapezoidal, and the permanent magnet is rectangle, in V-shape permanent magnet mounting groove, in V-arrangement permanent magnet mounting groove forever
The delta-shaped region at magnet two ends is all provided with limited location sliver for limiting position of the permanent magnet in mounting groove, rotor core axial direction
Two ends are provided with end plate I and end plate II, and rotor fan, the rotor end plates I and end are provided with the outside of end plate I of rotor core side
The material of plate II is non-magnetic stainless steel or other high intensity non-magnet_conductible materials.
Preferably, the rotor core is provided with lightening hole vertically, and the location and shape of lightening hole are dividing according to magnetic field
Cloth is set.
Preferably, in order to reduce the stress that the eddy-current loss and permanent magnet of permanent magnet are subject to, the permanent magnet divides vertically
For two or more.
Preferably, in order to reduce the stress that the eddy-current loss and permanent magnet of permanent magnet are subject to, the permanent magnet radially divides
For two or more.
Preferably, in order to reduce the stress that the eddy-current loss and permanent magnet of permanent magnet are subject to, the permanent magnet vertically and
Radially it is divided into two or more.
Preferably, also including end chock, it is provided with the rotor end plates I of rotor fan side and is installed with V-shape permanent magnet
Groove matches chock mounting groove, and the end chock is arranged in chock mounting groove.
Preferably, the chock is cemented in chock mounting groove by high intensity glue, and fan blade is by chock axial direction
Compress.
Preferably, the end plate I and end plate II are additionally provided with the lightening hole consistent with rotor core lightening hole.
For the ease of rotor dipping lacquer, the spacing sliver is provided with dipping lacquer hole in the one side of contact permanent magnet vertically, described
Limited block also is provided with the dipping lacquer hole matched with spacing sliver dipping lacquer hole.
The blade quantity of the rotor fan is 2 times of number of rotor magnetic poles.
The gap of magnet steel is filled up with high temperature lacquer by the way of vacuum pressure impregnation in gap inside the rotor core.
The utility model further relates to a kind of motor, and it includes high speed permanent magnet motor rotor structure, the high-speed permanent magnet motor
Rotor structure is high speed permanent magnet motor rotor structure described above.
Advantageous Effects of the present utility model are to be provided with non-magnetic spacing sliver by V-type magnetic pole two ends, are played
Limit the effect of permanent magnet position in groove；Permanent magnet is divided into polylith both axially and radially, reduces what is be vortexed on permanent magnet
Produce, while also reducing the stress that permanent magnet is subject in groove, prevent permanent magnet from crushing；By setting lightening hole and fan,
The weight of rotor is not only reduced, while increased cooling air channel, the temperature rise of rotor is greatly reduced.
Brief description of the drawings
Fig. 1 is the utility model example structure schematic diagram；
Fig. 2 is the A-A sectional views of the utility model embodiment；
Fig. 3 is spacing sliver radial structure schematic diagram；
Fig. 4 is spacing sliver axial arrangement schematic diagram；
Fig. 5 is rotor fan radial structure schematic diagram；
Fig. 6 is rotor fan axial arrangement schematic diagram；
Fig. 7 is chock radial structure schematic diagram.
Specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Referring to the drawings, a kind of high speed permanent magnet motor rotor structure, it includes rotor core 4, permanent magnet 6, rotor jacket 5,
Rotor jacket 5 is arranged on that rotor core 4 is cylindrical, and also including rotor fan 1, spacing sliver 10, rotor core is along the circumferential direction equal
Cloth one layer of V-shaped permanent magnet mounting groove, towards stator, the V-arrangement permanent magnet installs slot cross-section and is for the opening of V-arrangement permanent magnet mounting groove
Trapezoidal, the permanent magnet 6 is rectangle, in V-shape permanent magnet mounting groove, the permanent magnet 6 in V-arrangement permanent magnet mounting groove
The delta-shaped region at two ends is all provided with limited location sliver 10 for limiting position of the permanent magnet 6 in mounting groove, and rotor core 4 is axially
Two ends are provided with end plate I 3 and end plate II 7, and rotor fan 1, the rotor end plates are provided with the outside of end plate I 3 of the side of rotor core 4
I 3 and the material of end plate II 7 be non-magnetic stainless steel or other high intensity non-magnet_conductible materials, the rotor core 4 sets vertically
There is lightening hole 11, the location and shape of lightening hole 11 are to be distributed to set according to magnetic field, in order to reduce the vortex of permanent magnet 6
The stress that loss and permanent magnet 6 are subject to, the permanent magnet 6 is divided into more than five sections, is radially divided into four sections vertically, and the motor turns
Minor structure also includes stretching screw 8, rotating shaft 9, end chock 2, is provided with and V-shape in the rotor end plates I 3 of the side of rotor fan 1
Permanent magnet mounting groove matches chock mounting groove, and the end chock 2 is arranged in chock mounting groove, and the chock 2 is to pass through
High intensity glue is cemented in chock mounting groove, and fan blade also sets the axial compression of chock 2, the end plate I 3 and end plate II 7
There is the lightening hole consistent with the lightening hole 11 of rotor core 4.
For the ease of rotor dipping lacquer, the spacing sliver 10 sets the utility model in the one side of contact permanent magnet 6 vertically
There is dipping lacquer hole, the limited block also is provided with the dipping lacquer hole matched with the dipping lacquer hole of spacing sliver 10, the blade of the rotor fan 1
Quantity is 2 times of number of rotor magnetic poles, and high temperature lacquer is used in the gap inside the rotor core by the way of vacuum pressure impregnation
The gap of magnet steel is filled up.
The utility model is provided with non-magnetic spacing sliver 10 at V-type magnetic pole two ends, serve restriction permanent magnet 6 in groove
The effect of position；Permanent magnet 6 is divided into polylith both axially and radially, the generation being vortexed on permanent magnet 6 is reduced, while also reducing
The stress that permanent magnet 6 is subject in groove, prevents permanent magnet 6 from crushing；By setting lightening hole 11 and rotor fan 1, not only reduce
The weight of rotor, while increased cooling air channel, greatly reduces the temperature rise of rotor.
It is above a kind of implementation method of the present utility model, a preferred demonstration example.Present utility model application request is protected
The scope of shield is not only limited in the implementation method.It is all to belong to guarantor of the present utility model with the equivalent technical scheme of the present embodiment
Shield scope.
The utility model further relates to a kind of motor, and it includes high speed permanent magnet motor rotor structure, the high-speed permanent magnet motor
Rotor structure is high speed permanent magnet motor rotor structure described above.
Claims (19)
1. a kind of high speed permanent magnet motor rotor structure, it includes rotor core, permanent magnet, rotor jacket, and rotor jacket is arranged on
Rotor core is cylindrical, it is characterised in that also including rotor fan, spacing sliver, rotor core along the circumferential direction uniform one layer of V-shaped
Permanent magnet mounting groove, the opening of V-arrangement permanent magnet mounting groove is towards stator, and the V-arrangement permanent magnet installs slot cross-section for trapezoidal, described
Permanent magnet is rectangle, in V-shape permanent magnet mounting groove, the triangle at the permanent magnet two ends in V-arrangement permanent magnet mounting groove
Shape region is all provided with limited location sliver and is provided with end plate I for limiting position of the permanent magnet in mounting groove, rotor core axial direction two ends
With end plate II, rotor fan is provided with the outside of end plate I of rotor core side, the material of the rotor end plates I and end plate II is
Non-magnetic stainless steel or other high intensity non-magnet_conductible materials.
2. a kind of high speed permanent magnet motor rotor structure according to claim 1, it is characterised in that the rotor core is along axle
To lightening hole is provided with, the location and shape of lightening hole are to be distributed to set according to magnetic field.
3. a kind of high speed permanent magnet motor rotor structure according to claim 1 or claim 2, it is characterised in that described
Permanent magnet is divided into two or more vertically.
4. a kind of high speed permanent magnet motor rotor structure according to claim 1 or claim 2, it is characterised in that described
Permanent magnet is radially divided into two or more.
5. a kind of high speed permanent magnet motor rotor structure according to claim 1 or claim 2, it is characterised in that described
Permanent magnet is divided into two or more both axially and radially.
6. a kind of high speed permanent magnet motor rotor structure according to claim 1 or claim 2, it is characterised in that also wrap
End chock is included, is provided with the rotor end plates I of rotor fan side and matched chock mounting groove with V-shape permanent magnet mounting groove,
The end chock is arranged in chock mounting groove.
7. a kind of high speed permanent magnet motor rotor structure according to claim 5, it is characterised in that also including end chock,
It is provided with the rotor end plates I of rotor fan side and is matched chock mounting groove, the end chock with V-shape permanent magnet mounting groove
It is arranged in chock mounting groove.
8. a kind of high speed permanent magnet motor rotor structure according to claim 6, it is characterised in that the chock is by height
Intensity glue is cemented in chock mounting groove, and fan blade is by chock axial compression.
9. a kind of high speed permanent magnet motor rotor structure according to claim 7, it is characterised in that the chock is by height
Intensity glue is cemented in chock mounting groove, and fan blade is by chock axial compression.
10. a kind of high speed permanent magnet motor rotor structure according to claim 8, it is characterised in that the end plate I and end plate
II is additionally provided with the lightening hole consistent with rotor core lightening hole.
11. a kind of high speed permanent magnet motor rotor structures according to claim 9, it is characterised in that the end plate I and end plate
II is additionally provided with the lightening hole consistent with rotor core lightening hole.
A kind of 12. high speed permanent magnet motor rotor structures according to claim 10, it is characterised in that the spacing sliver edge
Axially the one side in contact permanent magnet is provided with dipping lacquer hole, and the limited block also is provided with the dipping lacquer matched with spacing sliver dipping lacquer hole
Hole.
A kind of 13. high speed permanent magnet motor rotor structures according to claim 11, it is characterised in that the spacing sliver edge
Axially the one side in contact permanent magnet is provided with dipping lacquer hole, and the limited block also is provided with the dipping lacquer matched with spacing sliver dipping lacquer hole
Hole.
The 14. a kind of high speed permanent magnet motor rotor structure according to claim 1 or claim 2, it is characterised in that described
The blade quantity of rotor fan is 2 times of number of rotor magnetic poles.
15. a kind of high speed permanent magnet motor rotor structures according to claim 13, it is characterised in that the rotor fan
Blade quantity is 2 times of number of rotor magnetic poles.
16. a kind of high speed permanent magnet motor rotor structures according to claim 14, it is characterised in that the rotor fan
Blade quantity is 2 times of number of rotor magnetic poles.
17. a kind of high speed permanent magnet motor rotor structures according to claim 15, it is characterised in that in the rotor core
The gap of magnet steel is filled up with high temperature lacquer by the way of vacuum pressure impregnation in the gap in portion.
18. a kind of high speed permanent magnet motor rotor structures according to claim 16, it is characterised in that in the rotor core
The gap of magnet steel is filled up with high temperature lacquer by the way of vacuum pressure impregnation in the gap in portion.
A kind of 19. motors, it includes high speed permanent magnet motor rotor structure, and the high speed permanent magnet motor rotor structure is any of the above-described
High speed permanent magnet motor rotor structure described in claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461090.5U CN206283346U (en) | 2016-12-29 | 2016-12-29 | A kind of high speed permanent magnet motor rotor structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461090.5U CN206283346U (en) | 2016-12-29 | 2016-12-29 | A kind of high speed permanent magnet motor rotor structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283346U true CN206283346U (en) | 2017-06-27 |
Family
ID=59071280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621461090.5U Active CN206283346U (en) | 2016-12-29 | 2016-12-29 | A kind of high speed permanent magnet motor rotor structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283346U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070027A (en) * | 2016-12-29 | 2017-08-18 | 湘潭电机股份有限公司 | A kind of high speed permanent magnet motor rotor structure and motor |
| CN109149816A (en) * | 2018-09-28 | 2019-01-04 | 苏州润吉驱动技术有限公司 | A kind of spliced outer rotor of permanent magnet motor |
| CN109494899A (en) * | 2018-12-25 | 2019-03-19 | 重庆赛力盟电机有限责任公司 | Large number of poles stator end plate |
-
2016
- 2016-12-29 CN CN201621461090.5U patent/CN206283346U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070027A (en) * | 2016-12-29 | 2017-08-18 | 湘潭电机股份有限公司 | A kind of high speed permanent magnet motor rotor structure and motor |
| CN109149816A (en) * | 2018-09-28 | 2019-01-04 | 苏州润吉驱动技术有限公司 | A kind of spliced outer rotor of permanent magnet motor |
| CN109494899A (en) * | 2018-12-25 | 2019-03-19 | 重庆赛力盟电机有限责任公司 | Large number of poles stator end plate |
| CN109494899B (en) * | 2018-12-25 | 2021-04-02 | 重庆赛力盟电机有限责任公司 | Stator end plate with large pole number |
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