CN205921476U - Tangential permanent magnet structure axial magnetic field high rotation torque density permanent magnetism disk type motor - Google Patents
Tangential permanent magnet structure axial magnetic field high rotation torque density permanent magnetism disk type motor Download PDFInfo
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- CN205921476U CN205921476U CN201620952609.3U CN201620952609U CN205921476U CN 205921476 U CN205921476 U CN 205921476U CN 201620952609 U CN201620952609 U CN 201620952609U CN 205921476 U CN205921476 U CN 205921476U
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- magnetic pole
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Abstract
The utility model discloses a tangential permanent magnet structure axial magnetic field high rotation torque density permanent magnetism disk type motor, including axle, bearing, rotor core magnetic pole dish, shell, stator armature dish and rotor mount, the stator armature dish links to each other with the shell is fixed, and the shell links to each other with the bearing, and the bearing housing is epaxial, and rotor core magnetic pole dish is arranged including the permanent magnet of polylith iron core piece and the same quantity, the pole piece spacing of iron core piece and permanent magnet, and the direction of the magnetic poles of permanent magnet is towards iron core piece orientation or leaves iron core piece orientation. The utility model discloses in arrange because of the magnetic pole tangential of rotor permanent magnet that the magnetic flow area that the magnet steel sent is big, can form high flux density at the air gap, under the condition that does not increase rotor core magnetic pole dish radial dimension, at axial direction extension permanent magnet magnet steel size and corresponding rotor core piece axial length, further improve air gap flux density, and then has improved the torque density and the power density of motor.
Description
Technical field
This utility model is related to a kind of motor, specifically a kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnetic disk
Formula motor.
Background technology
The Axial Field Disk Permanent-magnet synchronous motor of prior art, because its power density is high, lightweight, small volume, is got over
To be applied manyly, be such as applied to new-energy automobile traction electric machine.In this existing electric machine structure, rotor magnetic steel is arranged
Mostly adopt surface-mount type magnetic steel structure axial magnetic field, but this surface-mount type axial magnetic field structure, also have a disadvantage in that first,
The thickness of Surface Mount magnet steel in order to improve air gap flux density, to be increased, and often increase thickness is more, air gap flux density is lifted
Seldom, the utilization rate of such magnet steel has declined second, and the inertia of surface-mount type axial magnetic field structural electromotor is larger, in some applications
Occasion, should moment big, need radial dimension to amplify, inertia controls within the specific limits again, and both meetings conflict, application
It is restricted；3rd, surface-mount type axial magnetic field structural electromotor, because its stator and rotor are very thin disc type shape, high-power electricity
In the case that the radial dimension of machine is very big, and the air gap between stator and rotor does not allow to increase too much, when rotor rotation, because depositing
In beat, easily cause rotor and wipe with stator phase, thus Technology Measures are relatively difficult, which has limited surface-mount type axial magnetic field
Practical application on high-power for the motor.
Content of the invention
The purpose of this utility model is to provide a kind of tangential magnet-steel structure axial magnetic field high torque density permanent-magnet disk electricity
Machine, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor, including axle, bearing, rotor core magnetic
Pole disk, shell, stator armature disk and rotor fixed mount, described stator armature disk includes stator core and stator winding group, stator
Armature disc is fixedly linked with shell, and shell is connected with bearing, and on axle, rotor core magnetic pole disk includes polylith iron core block to bearing holder (housing, cover)
With the permanent magnet of equal number, iron core block and permanent magnet pole piece spacing arrangement and spaced bond together, permanent magnet
Pole orientation be towards iron core Block direction or leave iron core Block direction, fixed using rotor outside rotor core magnetic pole disk
Frame is fixed and rotor core magnetic pole disk is installed inside the housing, and rotor fixed mount adopts non-magnet material to make.
As further program of the utility model: iron core block and stator core are all formed using silicon steel plate stacking or adopt
With the iron work of monoblock magnetic conduction.
As further program of the utility model: rotor fixed mount adopts non-magnetic stainless steel material to make.
Compared with prior art, the beneficial effects of the utility model are: the tangential magnet-steel axis of no-feathering that this utility model provides
To magnetic field high torque density permanent magnet disc motor, because of the magnetic pole arranged tangential of rotor permanent magnet, the magnetic flux area that magnet steel sends is big,
High magnetic flux density can be formed in air gap, can be under conditions of not increasing rotor core magnetic pole disk radial dimension, in axial direction
Direction lengthens permanent magnet magnetic steel dimensions and corresponding rotor core block axial length, improves air gap flux density further, enters
And improve torque density and the power density of motor；Due to the high power density of this motor, high torque density, higher efficiency
And wide speed regulating range, it is particularly suitable for the fields such as electric automobile driving, have a extensive future.
Brief description
Fig. 1 is the longitudinal sectional drawing of the embodiment 1 of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor.
Fig. 2 is rotor iron core magnetic in the embodiment 1 of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor
Pole disk send magnetic flux magnetic circuit path schematic diagram.
Fig. 3 is rotor iron core magnetic in the embodiment 1 of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor
The structural representation of pole disk.
Fig. 4 is the longitudinal sectional drawing of the embodiment 2 of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor.
Fig. 5 is the longitudinal sectional drawing of the embodiment 3 of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor.
Wherein: 1- axle, 2- bearing, 4- rotor core magnetic pole disk, 41- iron core block, 42- permanent magnet, 5- shell, 6- stator electricity
Pivot disk, 7- rotor fixed mount.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Embodiment 1
Refer to Fig. 1-3, a kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor, including axle 1, axle
Hold 2, two rotor core magnetic pole disks 4,5, stator armature disk 6 of shell and two rotor fixed mounts 7, described stator armature disk
6 include stator core and stator winding group, and stator armature disk 6 is fixedly linked with shell 5, and shell 5 is connected with bearing 2,2 sets of bearing
On axle 1, rotor core magnetic pole disk 4 includes the permanent magnet 42 of polylith iron core block 41 and equal number, iron core block 41 and permanent magnet
42 pole piece spacing arrangement and spaced bond together, the pole orientation of permanent magnet 42 is towards iron core block 41 direction
Or leave iron core block 41 direction, rotor core magnetic pole disk 4 is outside to be fixed and rotor core magnetic pole disk using rotor fixed mount 7
4 are arranged on inside shell 5, and rotor fixed mount 7 adopts non-magnet material to make, and iron core block 41 and stator core are all using stalloy
Laminate formation or adopt the iron work of monoblock magnetic conduction.
Embodiment 2
Refer to Fig. 4, a kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor, including axle 1, bearing
2nd, rotor core magnetic pole disk 4,5, stator armature disk 6 of shell and a rotor fixed mount 7, described stator armature disk 6
Including stator core and stator winding group, stator armature disk 6 is fixedly linked with shell 5, and shell 5 is connected with bearing 2,2 sets of bearing
On axle 1, rotor core magnetic pole disk 4 includes the permanent magnet 42 of polylith iron core block 41 and equal number, iron core block 41 and permanent magnet
42 pole piece spacing arrangement and spaced bond together, the pole orientation of permanent magnet 42 is towards iron core block 41 direction
Or leave iron core block 41 direction, rotor core magnetic pole disk 4 is outside to be fixed and rotor core magnetic pole disk using rotor fixed mount 7
4 are arranged on inside shell 5, and rotor fixed mount 7 adopts non-magnetic stainless steel material to make, and iron core block 41 and stator core all adopt
Silicon steel plate stacking forms or adopts the iron work of monoblock magnetic conduction.
Embodiment 3
Refer to Fig. 5, a kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor, including axle 1, bearing
2nd, rotor core magnetic pole disk 4,5, two stator armature disks 6 of shell and a rotor fixed mount 7, described stator armature disk 6
Including stator core and stator winding group, stator armature disk 6 is fixedly linked with shell 5, and shell 5 is connected with bearing 2,2 sets of bearing
On axle 1, rotor core magnetic pole disk 4 includes the permanent magnet 42 of polylith iron core block 41 and equal number, iron core block 41 and permanent magnet
42 pole piece spacing arrangement and spaced bond together, the pole orientation of permanent magnet 42 is towards iron core block 41 direction
Or leave iron core block 41 direction, rotor core magnetic pole disk 4 is outside to be fixed and rotor core magnetic pole disk using rotor fixed mount 7
4 are arranged on inside shell 5, and rotor fixed mount 7 adopts non-magnetic stainless steel material to make, and iron core block 41 and stator core all adopt
Silicon steel plate stacking forms or adopts the iron work of monoblock magnetic conduction.
Rotor fixed mount 7 can be with fixed rotor core magnetic pole disk 4, in the case that motor radial dimension is constant, by adjusting
The axial length of section tangential rotors core magnetic pole disk 4, can adjust the area that rotor core magnetic pole disk 4 sends magnetic flux, thus can
To adjust the magnetic flux density of air gap between rotor and stator, the gas of prior art surface-mount type structure axial magnetic field permanent magnet disc type electric machine
Gap magnetic close general about 0.8 tesla, and adopt the magnetic flux density of the air gap of this utility model tangential magnet-steel arrangement can be light
Loose ground is adjusted to 1.0 teslas, thus improving the energy density of motor, torque density and power density.In axial magnetic field
In the case that motor advantage is maintained, this motor can flexible radial dimension and axial dimension, thus meeting the needs of big
Moment and the less application scenario of inertia；This motor, so that the power bracket of axial magnetic field permanent magnet motor, can be extended to very
High power range of application.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Make a variety of changes.
Claims (3)
1. a kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor it is characterised in that include axle, bearing,
Rotor core magnetic pole disk, shell, stator armature disk and rotor fixed mount, described stator armature disk include stator core and stator around
Line group, stator armature disk and shell are fixedly linked, and shell is connected with bearing, and on axle, rotor core magnetic pole disk includes bearing holder (housing, cover)
Polylith iron core block and the permanent magnet of equal number, the pole piece spacing arrangement of iron core block and permanent magnet and spaced be bonded in
Rise, the pole orientation of permanent magnet is towards iron core Block direction or leaves iron core Block direction, adopts outside rotor core magnetic pole disk
Fixed with rotor fixed mount and rotor core magnetic pole disk is installed inside the housing, rotor fixed mount adopts non-magnet material system
Make.
2. tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor according to claim 1, its feature exists
All formed using silicon steel plate stacking in, described iron core block and stator core or adopt the iron work of monoblock magnetic conduction.
3. tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor according to claim 1 and 2, its feature
It is, described rotor fixed mount adopts non-magnetic stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620952609.3U CN205921476U (en) | 2016-08-28 | 2016-08-28 | Tangential permanent magnet structure axial magnetic field high rotation torque density permanent magnetism disk type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620952609.3U CN205921476U (en) | 2016-08-28 | 2016-08-28 | Tangential permanent magnet structure axial magnetic field high rotation torque density permanent magnetism disk type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921476U true CN205921476U (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620952609.3U Active CN205921476U (en) | 2016-08-28 | 2016-08-28 | Tangential permanent magnet structure axial magnetic field high rotation torque density permanent magnetism disk type motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205921476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253522A (en) * | 2016-08-26 | 2016-12-21 | 上海富田电气技术有限公司 | A kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor |
-
2016
- 2016-08-28 CN CN201620952609.3U patent/CN205921476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253522A (en) * | 2016-08-26 | 2016-12-21 | 上海富田电气技术有限公司 | A kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor |
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| GR01 | Patent grant |