CN105141053B - Double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure - Google Patents
Double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure Download PDFInfo
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- CN105141053B CN105141053B CN201510690234.8A CN201510690234A CN105141053B CN 105141053 B CN105141053 B CN 105141053B CN 201510690234 A CN201510690234 A CN 201510690234A CN 105141053 B CN105141053 B CN 105141053B
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Abstract
The present invention relates to double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure, including motor stator, motor housing and fixed connecting part, motor stator is arranged on the centre position of motor housing by fixed connecting part, fixed connecting part includes the seam for having for working in coordination on locating ring and support frame, locating ring and support frame.Motor stator is cylindrical to coordinate installation with support frame seam, support frame is cylindrical to coordinate installation with locating ring seam, locating ring is cylindrical to coordinate installation with motor housing inner circle, the relative position dimensional tolerance and concentricity tolerance of motor annular stator and motor housing has been effectively ensured, motor stator is reliably accurately installed in motor housing centre position.The simple and reliable accurate installation annular stator of this mounting structure has little to no effect, the problem of TORUS type slotless electric machines annular stator installation difficulties are solved again in the middle of casing to motor magnetic circuit.
Description
Technical field
The invention belongs to magneto technical field, relate generally to double rotor single stator shaft orientation magnetic field permanent magnet slotless electric machines and determine
Son and shell mounting structure, particularly double rotor single stator shaft orientation magnetic field permanent magnet slotless electric machines annular stator and the installation knot of shell
Structure.
Background technology
1821, the First motor of faraday's invention was disc-type electric motor.Because its winding is along plate-like armature core footpath
To placement, air-gap flux vertically, thus also referred to as motor in axial magnetic field are produced.But due to the rotor of such motor at that time
Iron core manufacture is difficult, and using groove milling technique, not only productivity ratio is low, can also cause space width indexing uneven, and cause steel unshakable in one's determination
It is short-circuit between piece, increase iron loss；Next to that producing axial magnetic suction during operation between rotor, increase bearing load, the life-span
Shorten, mechanical loss increase, efficiency reduction.Therefore, after radial magnetic field motor in 1837 comes out, disc type electric machine is just by cold
Fall.Over more than 100 years, radial magnetic field motor is constantly in leading position, with obvious advantage.
With the development and the raising of living standards of the people of modern industry, motor and electric device are proposed miniaturization and
The requirement of thin type.Therefore, the motor in axial magnetic field of flat structure has been got back attention, to the research of this motor also increasingly
It is many.The advantage that axial magnetic field permanent magnet motor possesses is mainly reflected in the following aspects：Motor draw ratio is small, compact conformation,
Small volume；Power density is of a relatively high, and some topological structures are lightweight, and stock utilization is high；Heat dispersion is protruded；Topological structure
It is abundant, select wide for certain applications electric machine structure, being particularly suitable for use in installing space has the occasion strictly limited, axially
Magnetic field permanent magnet motor turns into the study hotspot of machine field.
Axial magnetic field permanent magnet motor has many structure types.It can be divided into according to rotor number and rotor relative position
Four classes：Single stator and rotor sructure, bimorph transducer single rotor structure, double rotor single stator structure (double-sided internal
Stator structure, TORUS) and multi-disc type structure.The most common arrangement mode of permanent magnet in TORUS motors be NS and
NN forms, two rotor disks are symmetrically external, and centre one stator disc of folder constitutes double air gaps, and TORUS type slotless electric machines is typically all
NN forms.TORUS-NN types slotless electric machines power torque density than, have more prominent performance in terms of efficiency, torque density.But
It is due to the most of area of ring shaped stator core of this structure（Including inside and outside circle side）All it is unable to the copper cash winding of stress
Covering so that motor annular stator, which is fixedly mounted, very big difficulty in motor housing middle part, it has been investigated how simply
Development of the reliable accurately installation annular stator to TORUS type slotless electric machines in the middle of motor housing is of great importance.
The content of the invention
Goal of the invention
It is an object of the invention to provide TORUS type slotless electric machines annular stators and a kind of mounting structure of shell.Pass through
Several simple structure members, on the premise of satisfaction axial direction, radially installed tolerance and to influence on Harmonic Armature minimum, it is ensured that electricity
Machine annular stator it is safe and reliable be arranged on motor housing middle part.
Technical scheme
A kind of double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure, by motor stator, electricity
Machine shell and fixed connecting part composition, it is characterised in that：Motor stator is arranged in motor housing by fixed connecting part
Centre position, the both sides that motor stator is located on machine shaft are provided with rotor core, and the medial end of rotor core is provided with forever
Magnetic magnetic pole；Motor stator is uniformly wound on stator ring iron core by Circular Winding and constituted；Fixed connecting part includes locating ring
And support frame, the seam for working in coordination is equipped with locating ring and support frame；The motor stator of annular is by two support frames
It is clipped in the middle, motor stator outer cover is provided with the locating ring being coaxial therewith；Motor stator is cylindrical to coordinate installation with support frame seam,
Locating ring is cylindrical to coordinate installation with motor housing inner circle；The cylindrical seam with locating ring of two support frames, which coordinates, to be installed, and is passed through
Fastening bolt is fixed, and the motor stator of locating ring, support frame and annular is mounted for one, integral press mounting to motor housing
It is interior.
Support frame uses non-magnet_conductible material, the inner circle of support frame provided with the groove for placing Circular Winding and with stator ring iron
The cylindrical support frame seam being engaged of the heart, each support tooth inner circle position is provided with two little grooves.
Each support tooth of support frame is provided with two little grooves for weakening eddy-current loss.
It is symmetrically arranged with and the locating ring seam of the cylindrical cooperation of support frame and is uniformly distributed on the circumference of the both sides of locating ring
Internal thread hole.
Positioning step is provided with motor housing inner circle side, positioning step and the distance in the axial centre position of motor housing are
Position the half of ring width.
Advantage and effect
This double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator of the present invention and shell mounting structure, with as follows
Advantage and beneficial effect：
（1）Any processing is not carried out to the motor stator of annular so that the effective material of motor is fully utilized.
（2）Connection member simple structure, is easily worked, and solves double rotor single stator shaft orientation magnetic field permanent magnet slotless electric machines and determines
The mechanical erection difficult problem of son and shell.
（3）Support frame uses stainless steel, and machined groove in support tooth inner circle, and connecting portion is inhibited to greatest extent
Influence of the part to motor performance.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the three dimensional structure diagram of the main fixed connecting part of the present invention.
Description of reference numerals：
1 is rotating shaft in figure, and 2 be rotor core, and 3 be permanent magnetism magnetic pole, and 4 be fastening bolt, and 5 be motor housing, and 6 be positioning
Ring, 7 be support frame, and 8 be that stator ring is unshakable in one's determination, and 9 be Circular Winding, and A is groove, and B is little groove, and a is support frame seam, and b is
Locating ring seam, c is positioning step.
Embodiment
The present invention relates to a kind of double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure, i.e.,
A kind of mounting structure of TORUS types Slotless electric machine stator and shell, its installation diagram as depicted in figs. 1 and 2, by motor stator, electricity
Machine shell 5 and fixed connecting part composition.Motor stator is arranged on the interposition in motor housing 5 by fixed connecting part
Put, rotor core 2 is provided with positioned at the both sides of motor stator on machine shaft 1, the medial end of rotor core 2 is provided with permanent magnetism magnetic pole
3；Motor stator is uniformly wound on stator ring iron core 8 by Circular Winding 9 and constituted；Fixed connecting part includes the He of locating ring 6
The seam for working in coordination is equipped with support frame 7, locating ring 6 and support frame 7；The motor stator of annular is by two support frames
7 are clipped in the middle, and motor stator outer cover is provided with the locating ring 6 being coaxial therewith；Motor stator is cylindrical to coordinate peace with support frame seam
Dress, locating ring is cylindrical to coordinate installation with motor housing inner circle；The cylindrical seam with locating ring 6 of two support frames 7, which coordinates, to be installed, and
Fixed by fastening bolt 4, the motor stator of locating ring 6, support frame 7 and annular is mounted for one, integral press mounting to electricity
In machine shell 5.
The motor stator of annular and relative position dimensional tolerance and the axiality public affairs of motor housing can be so effectively ensured
Difference, reliably accurately installs motor stator in motor housing centre position, motor magnetic circuit is had little to no effect, efficiently solved
The problem of TORUS type slotless electric machines annular stator installation difficulties.
In order to prevent motor stator magnetic field leakage field, cause the increase of the loss of electric machine, support frame 7 uses non-magnet_conductible material, prop up
The inner circle of support 7 provided with place Circular Winding 9 groove A and with the stator ring 8 cylindrical support frame seam a being engaged of iron core,
Each support tooth inner circle position is provided with two little groove B.
Each support tooth of support frame 7 is provided with two little groove B for weakening eddy-current loss.
It is symmetrically arranged with the circumference of the both sides of locating ring 6 and the locating ring seam b of the cylindrical cooperation of support frame and uniform point
The internal thread hole of cloth, internal thread hole is engaged with fastening bolt 4.
Be provided with positioning step c in the inner circle side of motor housing 5, the axial centre position of positioning step c and motor housing away from
From the half for being the width of locating ring 6, in order to which the motor stator of annular to be installed to the centre position inside motor housing.
The principle of the invention is as follows：
The mounting structure of TORUS types Slotless electric machine stator and shell is to install motor ring with locating ring, support frame and bolt
Shape stator machined on the centre position of motor housing, locating ring and be processed on the seam with the cylindrical cooperation of support frame, support frame
The groove of winding is placed, also has the seam coordinated with ring-shaped core, machined on support tooth and suppress the small recessed of eddy-current loss
Groove.The seam of motor annular stator and two support frames, which coordinates, to be caught in the middle, and the seam of two support frames and locating ring coordinates
Install, fastened with bolt, be integrally formed locating ring, support frame and annular stator, last integral press mounting is appropriate to motor housing
Position, simple and reliable accurate installation motor annular stator is in motor housing centre position.
Embodiment 1：
The Circular Winding 9 of some numbers is uniformly wound on stator ring iron core 8, motor stator, two supports is constituted
Ring 7 uses non-magnet_conductible material, and its inner circle is machined with groove A and the stator ring 8 cylindrical cooperations unshakable in one's determination of placement Circular Winding 9
Support frame seam a, also processes two little groove B, the both sides symmetrical machining locating ring of locating ring 6 stops at each support tooth inner circle position
Mouth b and equally distributed some internal thread holes.Locating ring 6, two support frames 7, stator ring iron core 8, the schematic diagrames of Circular Winding 9
See Fig. 2.
Locating ring 6 and a support frame 7, the cylindrical and locating ring 6 of support frame 7 are fixedly connected with first with fastening bolt 4
Locating ring seam b coordinate；Then motor stator is placed in the middle of locating ring 6, it is ensured that the cylindrical and support of stator ring iron core 8
The support frame seam a of frame 7 coordinates, and Circular Winding 9 is located in the middle of groove A；Finally it is symmetrically installed another support frame 7, support frame 7
The cylindrical locating ring seam b with locating ring 6 coordinate, the support frame seam a of the cylindrical and support frame 7 of stator ring iron core 8 matches somebody with somebody
Close, Circular Winding 9 is located in the middle of groove A, and at this moment motor stator is fixed on the centre position of locating ring 6, both coaxial lines.Finally
At the positioning step c positions that one step integral press mounting is processed to motor housing 5, annular motor stator is installed.
Claims (5)
1. a kind of double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure, by motor stator, motor
Shell（5）With fixed connecting part composition, it is characterised in that：Motor stator is arranged on motor housing by fixed connecting part
（5）Interior centre position, machine shaft（1）The upper both sides positioned at motor stator are provided with rotor core（2）, rotor core（2）'s
Medial end is provided with permanent magnetism magnetic pole（3）；Motor stator is by Circular Winding（9）It is uniform to be wound on stator ring iron core（8）It is upper to constitute；
Fixed connecting part includes locating ring（6）And support frame（7）, locating ring（6）And support frame（7）On be equipped with for working in coordination
Seam；The motor stator of annular is by two support frames（7）It is clipped in the middle, motor stator outer cover is provided with the positioning being coaxial therewith
Ring（6）；Motor stator is cylindrical to coordinate installation with support frame seam, and locating ring is cylindrical to be installed with the cooperation of motor housing inner circle；Two
Support frame（7）Cylindrical and locating ring（6）Seam coordinate and install, and pass through fastening bolt（4）It is fixed, make locating ring（6）, support
Frame（7）One, integral press mounting to motor housing are mounted for the motor stator of annular（5）It is interior.
2. double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator according to claim 1 and shell mounting structure,
It is characterized in that：Support frame（7）Using non-magnet_conductible material, support frame（7）Inner circle provided with place Circular Winding（9）Groove
（A）With it is unshakable in one's determination with stator ring（8）The cylindrical support frame seam being engaged（a）, each support tooth inner circle position is provided with two small
Groove（B）.
3. double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator according to claim 2 and shell mounting structure,
It is characterized in that：Support frame（7）Each support tooth provided with weaken eddy-current loss two little grooves（B）.
4. double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator according to claim 1 and shell mounting structure,
It is characterized in that：Locating ring（6）Both sides circumference on be symmetrically arranged with locating ring seam with the cylindrical cooperation of support frame（b）With
Equally distributed internal thread hole.
5. double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator according to claim 1 and shell mounting structure,
It is characterized in that：In motor housing（5）Inner circle side is provided with positioning step（c）, positioning step（c）It is axially middle with motor housing
The distance of position is locating ring（6）The half of width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690234.8A CN105141053B (en) | 2015-10-23 | 2015-10-23 | Double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690234.8A CN105141053B (en) | 2015-10-23 | 2015-10-23 | Double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure |
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| Publication Number | Publication Date |
|---|---|
| CN105141053A CN105141053A (en) | 2015-12-09 |
| CN105141053B true CN105141053B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510690234.8A Active CN105141053B (en) | 2015-10-23 | 2015-10-23 | Double rotor single stator shaft orientation magnetic field permanent magnet Slotless electric machine stator and shell mounting structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787956A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of mounting structure of magnetic suspension motor stator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080061649A1 (en) * | 2006-09-08 | 2008-03-13 | Lg Electronics Inc. | Axial gap motor and method for manufacturing the same |
| JP5488614B2 (en) * | 2009-12-28 | 2014-05-14 | トヨタ自動車株式会社 | Stator core fixing structure and rotating electric machine having the same |
| CN102355102A (en) * | 2011-09-30 | 2012-02-15 | 山东理工大学 | Disc type double-rotor generator for electric automobile range extenders |
| DE102012001118B4 (en) * | 2012-01-23 | 2022-03-31 | Sew-Eurodrive Gmbh & Co Kg | electric machine |
| KR101962966B1 (en) * | 2012-07-17 | 2019-03-27 | 현대모비스 주식회사 | Cooling structure for motor |
| CN205039631U (en) * | 2015-10-23 | 2016-02-17 | 沈阳工业大学 | Birotor list stator axial magnetic field permanent magnetism does not have groove motor stator and shell mounting structure |
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2015
- 2015-10-23 CN CN201510690234.8A patent/CN105141053B/en active Active
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