CN206559208U - Double-stator conical permanent-magnet synchronous hub motor structure - Google Patents
Double-stator conical permanent-magnet synchronous hub motor structure Download PDFInfo
- Publication number
- CN206559208U CN206559208U CN201720250142.2U CN201720250142U CN206559208U CN 206559208 U CN206559208 U CN 206559208U CN 201720250142 U CN201720250142 U CN 201720250142U CN 206559208 U CN206559208 U CN 206559208U
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- stator
- rotor
- hub motor
- casing
- double
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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model is related to a kind of double-stator conical permanent-magnet synchronous hub motor structure, the wheel hub motor uses platypelloid type structure, it includes stator module, rotor assembly, rotating shaft, drive end bearing bracket, rear end cap and casing, the stator module is two concentric stator components, the rotor assembly is the drag cup rotor part that a side surface is pyramidal structure, two stator components are outer stator components and inner stator part, and the rotor part is provided with outside cylinder roller bearing I and outside cylinder roller bearing II with casing；The wheel hub motor also includes compression spring assembly.The utility model is improves power density, reduction control difficulty and mechanical difficulty, and using the main output torque of outer stator components, inner stator part auxiliary output par, c torque realizes the output of axial force；Rotor part is provided with outside cylinder roller bearing I and outside cylinder roller bearing II with casing, it is ensured that the axial movement of motor, sets compression spring assembly to realize the balance to axial magnetic pull.
Description
Technical field
The utility model is related to wheel hub motor technical field, especially a kind of double-stator conical permanent-magnet synchronous wheel hub motor knot
Structure.
Background technology
The high efficiency density of vehicle wheel hub permagnetic synchronous motor is always the target that designer pursues.It is well known that forever
The torque of magneto is made up of permanent-magnet torque and reluctance torque, and the magnetic linkage of permanent magnet limits the lifting of permanent-magnet torque, in order to protect
Required torque is demonstrate,proved, then reluctance torque should just be effectively used.And taper magneto itself has axial force, pass through
Regulation ac-dc axis electric current is possible to reach the accurate control to axial force, and then realizes axial movement, reaches mechanical structure weak magnetic
Effect.Double-stator conical permagnetic synchronous motor motor exists due to rotor cone angle, and bimorph transducer has axial magnetic pull work to rotor
With torque is produced jointly by two stators, and external stator can export larger torque, and inner stator output torque is smaller, excessive
Axial force, it will cause axial pressure balance difficult, difficulty is brought to the rigidity of axial arrangement and control.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of double-stator conical for the deficiency for overcoming in the prior art
Permanent-magnet synchronous hub motor structure.
The utility model solves the technical scheme that its technical problem used：A kind of double-stator conical permanent-magnet synchronous wheel hub
Electric machine structure, the wheel hub motor uses platypelloid type structure, and it includes stator module, rotor assembly, rotating shaft, drive end bearing bracket, rear end cap
And casing, the stator module is two concentric stator components, and the rotor assembly is the sky that a side surface is pyramidal structure
Heart cup rotor part, two stator components are outer stator components and inner stator part, and the rotor part is provided with outer with casing
Cylinder roller bearing I and outside cylinder roller bearing II；The wheel hub motor also includes compression spring assembly, the compression spring assembly
It is made up of the different spring of the identical elastic stiffness of seven drifts and sleeve.
Further, the outer stator components include casing and external stator is unshakable in one's determination, and the external stator iron core is fixed on casing
On, offer inlet opening on the casing.
Further, the inner stator part is fixed on rear end cap, and supported by inner stator, default sub-sealing-ring and interior
Stator core is constituted, and the internal stator iron core is fixed on default sub-sealing-ring, and internal stator iron core is tapered vertically, described
Inner stator is supported is provided with interior cylinder roller bearing between rotating shaft.
Further, the rotor part include rotating shaft, rotor supports, internal rotor is unshakable in one's determination, outer rotor is unshakable in one's determination, magnetic shield and
Rotor stop plate, the internal rotor is unshakable in one's determination and outer rotor iron core is fixed on magnetic shield, magnetic shield connection rotor supports and rotor gear
Plate, rotor supports are fixed in rotating shaft, and rotor stop plate, rotor supports and inner and outer Rotator iron core are fixed on one by fastening bolt
Rise.
Further, the spring is arranged between sleeve and rotor supports, and sensing is provided with the inside of the drive end bearing bracket
Device pressing plate, the thrust ball bearing for bearing axial compressive force is provided between the sensor pressing plate and sleeve.
Again further, the pressure sensing of measurement spring stress is provided between the sensor pressing plate and drive end bearing bracket
Device.
The beneficial effects of the utility model are：The utility model is improves power density, and reduction control difficulty and machinery are difficult
Degree, using the main output torque of outer stator components, inner stator part auxiliary output par, c torque realizes the output of axial force；Turn
Subassembly is provided with outside cylinder roller bearing I and outside cylinder roller bearing II with casing, it is ensured that the axial movement of motor, sets pressure
Contracting spring assembly realizes the balance to axial magnetic pull.
Brief description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
In figure：1. rotating shaft, 2. rotor supports, 3. pressure sensors, 4. left end caps, 5. casings, 6. springs, 7. inlet openings,
8. external stator is unshakable in one's determination, 9. rear end caps, 10. outer rotors are unshakable in one's determination, 11. rotor stop plates, 12. default sub-sealing-rings, 13. sleeves, and 14. pass
Sensor pressing plate, cylinder roller bearing in 15., the support of 16. inner stators, 17. outside cylinder roller bearing I, 18. magnetic shields, 19. is default
Sub unshakable in one's determination, 20. internal rotors are unshakable in one's determination, 21. thrust ball bearings, 22. outside cylinder roller bearing II.
Embodiment
The utility model is further described presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram only to show
Meaning mode illustrates basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
A kind of double-stator conical permanent-magnet synchronous hub motor structure as shown in Figure 1, the wheel hub motor uses platypelloid type structure,
It includes stator module, rotor assembly, rotating shaft 1, drive end bearing bracket 4, rear end cap 9 and casing 5, and stator module is two concentric stators
Part, rotor assembly is the drag cup rotor part that a side surface is pyramidal structure, two stator components be outer stator components and
Inner stator part, rotor part is provided with outside cylinder roller bearing I17 and outside cylinder roller bearing II22 with casing 5；The wheel hub
Motor also includes compression spring assembly, and compression spring assembly is by the different spring 6 of the identical elastic stiffness of seven drifts and set
Cylinder 13 is constituted.Rotor part is provided with outside cylinder roller bearing I17 and outside cylinder roller bearing II22 with casing 5, it is ensured that motor
Axial movement, set compression spring assembly to realize to the balance of axial magnetic pull.
Wherein, outer stator components include casing 5 and external stator iron core 8, and external stator iron core 8 is fixed on casing 5, casing 5
On offer inlet opening 7.Inner stator part is fixed on rear end cap 9, and supports 16, default sub-sealing-ring 12 and interior by inner stator
Stator core 19 is constituted, and internal stator iron core 19 is fixed on default sub-sealing-ring 12, and internal stator iron core 19 is tapered vertically,
Interior cylinder roller bearing 15 is provided between inner stator support 16 and rotating shaft 1.Rotor part includes rotating shaft 1, rotor supports 2, interior
Rotor core 20, outer rotor iron core 10, magnetic shield 18 and rotor stop plate 11, internal rotor iron core 20 and the heart of outer rotor iron 10 are fixed on
On magnetic shield 18, the connection rotor supports 2 of magnetic shield 18 and rotor stop plate 11, rotor supports 2 are fixed in rotating shaft 1, rotor stop plate
11st, rotor supports 2 and inner and outer Rotator iron core 20,10 are fixed together by fastening bolt.Spring 6 is arranged on sleeve 13 and turned
Between son support 2, the inner side of left end cap 4 is provided with sensor pressing plate 14, is provided with and bears between sensor pressing plate 14 and sleeve 13
The thrust ball bearing 21 of axial compressive force.The pressure sensing of measurement spring stress is provided between sensor pressing plate 14 and left end cap 4
Device 3.
In view of the presence of axial force, pushing away for axial compressive force can be born by being set between sleeve 13 and sensor pressing plate 14
Power ball bearing 21, it is achieved thereby that axial compressive force is quiet by turning side, transfers the pressure to sensor pressing plate 22, pressure sensor 3 is used
Compression spring stress is measured in real time, pressure signal and position signalling are sent back into controller, analysis draws rotor axial position.
Above-mentioned embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with this skill
The personage of art can understand content of the present utility model and be carried out, and protection model of the present utility model can not be limited with this
Enclose, all equivalent change or modifications made according to the utility model Spirit Essence should all cover in protection model of the present utility model
In enclosing.
Claims (6)
1. a kind of double-stator conical permanent-magnet synchronous hub motor structure, the wheel hub motor uses platypelloid type structure, it includes stator
Component, rotor assembly, rotating shaft (1), drive end bearing bracket (4), rear end cap (9) and casing (5), it is characterised in that：The stator module is
Two concentric stator components, the rotor assembly is the drag cup rotor part that a side surface is pyramidal structure, two stators
Part is outer stator components and inner stator part, the rotor part and casing (5) be provided with outside cylinder roller bearing I (17) and
Outside cylinder roller bearing II (22)；The wheel hub motor also includes compression spring assembly, and the compression spring assembly is by seven freedom
The different spring of the identical elastic stiffness of length (6) and sleeve (13) composition.
2. double-stator conical permanent-magnet synchronous hub motor structure according to claim 1, it is characterised in that：The external stator
Part includes casing (5) and external stator is (8) unshakable in one's determination, and the external stator (8) unshakable in one's determination is fixed on casing (5), on the casing (5)
Offer inlet opening (7).
3. double-stator conical permanent-magnet synchronous hub motor structure according to claim 1, it is characterised in that：The inner stator
Part is fixed on rear end cap (9), and supports (16), default sub-sealing-ring (12) and internal stator iron core (19) group by inner stator
Into the internal stator iron core (19) is fixed on default sub-sealing-ring (12), and internal stator iron core (19) is tapered vertically, institute
State and be provided with interior cylinder roller bearing (15) between inner stator support (16) and rotating shaft (1).
4. double-stator conical permanent-magnet synchronous hub motor structure according to claim 1, it is characterised in that：The rotor portions
Part includes rotating shaft (1), rotor supports (2), internal rotor (20) unshakable in one's determination, outer rotor (10) unshakable in one's determination, magnetic shield (18) and rotor stop plate
(11), the internal rotor (20) unshakable in one's determination and outer rotor (10) unshakable in one's determination are fixed on magnetic shield (18), magnetic shield (18) connection rotor
Support (2) and rotor stop plate (11), rotor supports (2) are fixed in rotating shaft (1), rotor stop plate (11), rotor supports (2) and
Inner and outer Rotator iron core (20,10) is fixed together by fastening bolt.
5. double-stator conical permanent-magnet synchronous hub motor structure according to claim 4, it is characterised in that：The spring
(6) it is arranged between sleeve (13) and rotor supports (2), sensor pressing plate (14) is provided with the inside of the drive end bearing bracket (4), it is described
The thrust ball bearing (21) for bearing axial compressive force is provided between sensor pressing plate (14) and sleeve (13).
6. double-stator conical permanent-magnet synchronous hub motor structure according to claim 5, it is characterised in that：The sensor
The pressure sensor (3) of measurement spring stress is provided between pressing plate (14) and drive end bearing bracket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250142.2U CN206559208U (en) | 2017-03-15 | 2017-03-15 | Double-stator conical permanent-magnet synchronous hub motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250142.2U CN206559208U (en) | 2017-03-15 | 2017-03-15 | Double-stator conical permanent-magnet synchronous hub motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206559208U true CN206559208U (en) | 2017-10-13 |
Family
ID=60364617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720250142.2U Expired - Fee Related CN206559208U (en) | 2017-03-15 | 2017-03-15 | Double-stator conical permanent-magnet synchronous hub motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206559208U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994745A (en) * | 2017-12-10 | 2018-05-04 | 山东理工大学 | A kind of hub motor type electric car with redundancy feature |
| GB2574279A (en) * | 2018-05-30 | 2019-12-04 | Univ Of Nottingham Ningbo China | Permanent magnet conical motors, stators and rotors thereof |
| CN111224525A (en) * | 2020-03-13 | 2020-06-02 | 清华大学苏州汽车研究院（吴江） | Axial magnetic field in-wheel motor assembly |
| CN112865459A (en) * | 2021-04-12 | 2021-05-28 | 北京航空航天大学 | Hollow cup structure motor with arc permanent magnet |
-
2017
- 2017-03-15 CN CN201720250142.2U patent/CN206559208U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994745A (en) * | 2017-12-10 | 2018-05-04 | 山东理工大学 | A kind of hub motor type electric car with redundancy feature |
| GB2574279A (en) * | 2018-05-30 | 2019-12-04 | Univ Of Nottingham Ningbo China | Permanent magnet conical motors, stators and rotors thereof |
| GB2574279B (en) * | 2018-05-30 | 2022-09-14 | Univ Of Nottingham Ningbo China | Permanent magnet conical motors, stators and rotors thereof |
| CN111224525A (en) * | 2020-03-13 | 2020-06-02 | 清华大学苏州汽车研究院（吴江） | Axial magnetic field in-wheel motor assembly |
| CN112865459A (en) * | 2021-04-12 | 2021-05-28 | 北京航空航天大学 | Hollow cup structure motor with arc permanent magnet |
| CN112865459B (en) * | 2021-04-12 | 2023-09-01 | 北京航空航天大学 | Hollow cup structure motor with bow-shaped permanent magnet |
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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 |
Granted publication date: 20171013 Termination date: 20180315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |