CN205070633U - Axial magnetic flow PMSM rotor - Google Patents
Axial magnetic flow PMSM rotor Download PDFInfo
- Publication number
- CN205070633U CN205070633U CN201520813544.XU CN201520813544U CN205070633U CN 205070633 U CN205070633 U CN 205070633U CN 201520813544 U CN201520813544 U CN 201520813544U CN 205070633 U CN205070633 U CN 205070633U
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- CN
- China
- Prior art keywords
- permanent magnet
- ring
- rotor
- field spider
- spider
- 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 Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model belongs to the technical field of the motor, a axial magnetic flow PMSM rotor is related to, including spider, permanent magnet, interior permanent magnet retaining ring and outer permanent magnet retaining ring. The fan -shaped through -hole of spider axial distribution some is at the permanent magnet of downthehole embedding with spider same thickness, open the ring channel with the height with inside and outside permanent magnet retaining ring same thickness at spider and the inside and outside circle department of permanent magnet, arrange inside and outside permanent magnet retaining ring in groove to utilize countersunk screw with retaining ring and spider fastening, clip the permanent magnet. The utility model has the characteristics of install easy and simple to handle, the structure is reliable, rotor surfaces smooth, the windage is little, do not occupy the inter -air space, motor material utilization rate is high, be suitable for popularization and application.
Description
Technical field
The utility model belongs to technical field of motors, relates to a kind of axial flux permanent magnet synchronous electric motor rotor.
Background technology
The permanent magnet fixing means of current axial flux permanent magnet synchronous electric motor rotor is mostly and directly utilizes glue to be pasted in rotor core by permanent magnet, or utilizes block of metal baffle plate fixed permanent magnet at rotor core two ends.
Adopt glue bonding method fixed permanent magnet technique loaded down with trivial details, and sticking strength cannot ensure, easily there is permanent magnet obscission when high-speed cruising in motor.
Metal baffle fixed permanent magnet mode is adopted to increase motor gas-gap length, cause the waste of material, increase manufacturing cost and the volume of motor, and, air-gap harmonic magnetic field can produce very large harmonic loss in metal baffle, is easy to cause permanent magnet that hot magnet loss phenomenon occurs.
Summary of the invention
Goal of the invention
In order to overcome the problems existed in above-mentioned prior art, the utility model object is to provide a kind of rotor structure of axial flux permanent magnet synchronous machine, this rotor structure intensity is reliable, and permanent magnet fitting operation is easy, is particularly suitable for manufacturing high rotating speed, high power density motor.
Technical scheme
A kind of axial flux permanent magnet synchronous electric motor rotor, is characterized in that: this rotor is made up of rotor field spider, permanent magnet, interior permanent magnet back-up ring, outer permanent magnet back-up ring, sunk screw; Permanent magnet is embedded in rotor field spider, between the interior permanent magnet back-up ring that permanent magnet is clipped in both sides before and after axial direction and outer permanent magnet back-up ring; Interior permanent magnet back-up ring and outer permanent magnet back-up ring are all fixed on the both sides, front and back of rotor field spider by sunk screw.
Rotor field spider circumferentially direction has the fan-shaped pylone matched with permanent magnet, and permanent magnet embeds in fan-shaped pylone, and the permanent magnet embedded in fan-shaped pylone is identical with rotor field spider thickness.
Permanent magnet circlip groove and outer permanent magnet circlip groove in the annular that before and after rotor field spider, inside and outside round place, both sides has with interior permanent magnet back-up ring and outer permanent magnet back-up ring phase co-altitude and thickness; Interior permanent magnet back-up ring is placed in interior permanent magnet circlip groove, and outer permanent magnet back-up ring is placed in outer permanent magnet circlip groove, interior permanent magnet back-up ring and outer permanent magnet back-up ring by sunk screw and rotor field spider fastening, clamp permanent magnet.
Rotor field spider, interior permanent magnet back-up ring and outer permanent magnet back-up ring all adopt non-magnet material to be made.
Advantage and effect
The beneficial effects of the utility model are as follows:
(1) rotor core smooth surface is smooth, and windage is little, and rotor air frictional dissipation is little.
(2) permanent magnet adopts back-up ring fixed form, and paste without the need to glue, fitting operation is easy.
(3) permanent magnet is embedded in rotor field spider, and intensity is reliable.
(4) adopt the embedded baffle arrangement of inside and outside circle, do not take the inter-air space, motor material utilance is high, and power density is high.
(5) rotor loss is little, and hot magnet loss phenomenon can not occur permanent magnet.
Accompanying drawing explanation
Fig. 1 is rotor structure schematic diagram.
Fig. 2 is Fig. 1 profile.
Fig. 3 is rotor field spider schematic diagram.
Fig. 4 is Fig. 3 cutaway view.
Fig. 5 is permanent magnet schematic diagram.
Fig. 6 is Fig. 5 end view.
Fig. 7 is interior permanent magnet back-up ring schematic diagram.
Fig. 8 is Fig. 7 cutaway view.
Fig. 9 is outer permanent magnet back-up ring schematic diagram.
Figure 10 is Fig. 9 cutaway view.
Description of reference numerals:
1 be rotor field spider, 2 be permanent magnet in figure, 3 be interior permanent magnet back-up ring, 4 be outer permanent magnet back-up ring, 5 be sunk screw, 6 be fan-shaped pylone, 7 be interior permanent magnet circlip groove, 8 be outer permanent magnet circlip groove, 9 be screw, 10 for counterbore.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Fig. 1-Figure 10, the utility model proposes a kind of axial flux permanent magnet synchronous electric motor rotor, 9 comprise rotor field spider 1, permanent magnet 2, interior permanent magnet back-up ring 3, outer permanent magnet back-up ring 4 and sunk screw 5; Permanent magnet 2 is embedded in rotor field spider 1, between the interior permanent magnet back-up ring 3 that permanent magnet 2 is clipped in both sides before and after axial direction and outer permanent magnet back-up ring 4; Interior permanent magnet back-up ring 3 and outer permanent magnet back-up ring 4 are all fixed on the both sides, front and back of rotor field spider 1 by sunk screw 5.Permanent magnet adopts back-up ring fixed form, and paste without the need to glue, fitting operation is easy.
As shown in Figure 3 and Figure 4, rotor field spider 1 is uniform some fan-shaped pylones 6 for setting permanent magnet 2 along the circumferential direction, and the quantity of fan-shaped pylone 6 matches with permanent magnet 2, and rotor field spider 1 thickness is identical with permanent magnet 2 thickness.Permanent magnet is embedded in rotor field spider, and intensity is reliable.
Permanent magnet circlip groove 7 in the annular that before and after rotor field spider 1, both sides inner circle has with interior permanent magnet back-up ring 3 phase co-altitude and thickness, interior permanent magnet back-up ring 3 is placed in interior permanent magnet circlip groove 7; Before and after rotor field spider 1, cylindrical place in both sides has the outer permanent magnet circlip groove 8 with outer permanent magnet back-up ring 4 phase co-altitude and thickness, and outer permanent magnet back-up ring 4 is placed in outer permanent magnet circlip groove 8; It is fastening with rotor field spider 1 that interior permanent magnet back-up ring 3 and outer permanent magnet back-up ring 4 pass through sunk screw 5, clamps permanent magnet 2.Adopt the Embedded back-up ring structure of inside and outside circle not take the inter-air space, motor material utilance is high, and power density is high.
As shown in Figure 5 and Figure 6, permanent magnet circlip groove 7 in the inner circle of permanent magnet 2 has and to match with rotor field spider 1 and interior permanent magnet back-up ring 3, the cylindrical place of permanent magnet 2 has the outer permanent magnet circlip groove 8 matched with rotor field spider 1 and outer permanent magnet back-up ring 4.
Rotor field spider 1, interior permanent magnet back-up ring 3, outer permanent magnet back-up ring 4 are non-magnet material and make.
As shown in Fig. 7-Figure 10, interior permanent magnet back-up ring 3 and outer permanent magnet back-up ring 4 circumference have counterbore 10, rotor field spider 1 has screw 9 in the relevant position of interior permanent magnet circlip groove 7 and outer permanent magnet circlip groove 8 simultaneously, utilizes sunk screw interior permanent magnet back-up ring 3 and outer permanent magnet back-up ring 4 to be fixed on stator support 1.
This rotor core of the utility model smooth surface is smooth, and windage is little, and rotor air frictional dissipation is little.
When the utility model uses:
Permanent magnet 2 is embedded in the fan-shaped pylone 6 of rotor field spider 1, interior permanent magnet back-up ring 3 is placed in interior permanent magnet circlip groove 7, outer permanent magnet back-up ring 4 is placed in outer permanent magnet circlip groove 8, utilize sunk screw 5 by interior permanent magnet back-up ring 3 and outer permanent magnet back-up ring 4 fastening with rotor field spider 1, clamp permanent magnet 2.
Utility model works process is as follows:
First sunk screw is utilized to be fixed on rotor field spider 1 permanent magnetism back-up ring 3 in rotor field spider 1 side and outer permanent magnet back-up ring 4.
Then permanent magnet 2 is axially embedded in rotor field spider 1 successively according to putting in order of N-S-N-S.
Finally sunk screw is utilized to be fixed on rotor field spider 1 permanent magnet back-up ring 3 in opposite side and outer permanent magnet back-up ring 4.
Claims (4)
1. an axial flux permanent magnet synchronous electric motor rotor, is characterized in that: this rotor is made up of rotor field spider (1), permanent magnet (2), interior permanent magnet back-up ring (3), outer permanent magnet back-up ring (4), sunk screw (5); Permanent magnet (2) is embedded in rotor field spider (1), between the interior permanent magnet back-up ring (3) that permanent magnet (2) is clipped in both sides before and after axial direction and outer permanent magnet back-up ring (4); Interior permanent magnet back-up ring (3) and outer permanent magnet back-up ring (4) are all fixed on the both sides, front and back of rotor field spider (1) by sunk screw (5).
2. axial flux permanent magnet synchronous electric motor rotor according to claim 1, it is characterized in that: rotor field spider (1) circumferentially direction has the fan-shaped pylone (6) matched with permanent magnet (2), permanent magnet (2) embeds in fan-shaped pylone (6), and the permanent magnet (2) embedded in fan-shaped pylone (6) is identical with rotor field spider (1) thickness.
3. axial flux permanent magnet synchronous electric motor rotor according to claim 1, is characterized in that: permanent magnet circlip groove (7) and outer permanent magnet circlip groove (8) in the annular that inside and outside round place, both sides has with interior permanent magnet back-up ring (3) and outer permanent magnet back-up ring (4) phase co-altitude and thickness before and after rotor field spider (1); Interior permanent magnet back-up ring (3) is placed in interior permanent magnet circlip groove (7), outer permanent magnet back-up ring (4) is placed in outer permanent magnet circlip groove (8), interior permanent magnet back-up ring (3) and outer permanent magnet back-up ring (4) are fastening by sunk screw (5) and rotor field spider (1), clamp permanent magnet (2).
4. axial flux permanent magnet synchronous electric motor rotor according to claim 1, is characterized in that: rotor field spider (1), interior permanent magnet back-up ring (3) and outer permanent magnet back-up ring (4) all adopt non-magnet material to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813544.XU CN205070633U (en) | 2015-10-21 | 2015-10-21 | Axial magnetic flow PMSM rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813544.XU CN205070633U (en) | 2015-10-21 | 2015-10-21 | Axial magnetic flow PMSM rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070633U true CN205070633U (en) | 2016-03-02 |
Family
ID=55397134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520813544.XU Expired - Fee Related CN205070633U (en) | 2015-10-21 | 2015-10-21 | Axial magnetic flow PMSM rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141060A (en) * | 2015-10-21 | 2015-12-09 | 沈阳工业大学 | Axial flux permanent magnet synchronous motor rotor |
| CN112152409A (en) * | 2020-08-19 | 2020-12-29 | 沈阳工业大学 | Yoke-free stator/rotor core axial flux permanent magnet motor |
-
2015
- 2015-10-21 CN CN201520813544.XU patent/CN205070633U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141060A (en) * | 2015-10-21 | 2015-12-09 | 沈阳工业大学 | Axial flux permanent magnet synchronous motor rotor |
| CN112152409A (en) * | 2020-08-19 | 2020-12-29 | 沈阳工业大学 | Yoke-free stator/rotor core axial flux permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160302 Termination date: 20181021 |