CN207117446U - A kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool - Google Patents
A kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool Download PDFInfo
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- CN207117446U CN207117446U CN201720552779.7U CN201720552779U CN207117446U CN 207117446 U CN207117446 U CN 207117446U CN 201720552779 U CN201720552779 U CN 201720552779U CN 207117446 U CN207117446 U CN 207117446U
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Abstract
The utility model discloses a kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool, including：Magnetic circuit runs through the first stator module（100a）, the second stator module (100b), drive end rotor assembly（200a）, center roller component（200b）With anti-drive end rotor assembly（200c）, wherein, the center roller component uses magnet steel surface-mount type structure, also, the first stator module（100a）, the second stator module（100b）With anti-drive end rotor assembly（200c）, center roller component (200b) and drive end rotor assembly（200a）Relative motion, pass through the angular contact clutch shaft bearing of a pair of back-to-back installations（213）With second bearing（222）Realize.
Description
Technical field
It the utility model is related to a kind of pure electronic, hybrid vehicle Qu Donglingyu motor rotor, and in particular to one
The axial magnetic flux disk electric machine rotor of kind stator wheel hub water cooling and bimorph transducer triple-spool framework.
Background technology
At present, the motor applied in pure electronic, hybrid vehicle Qu Donglingyu is mostly that the AC permanent-magnet of radial flux is same
Walk motor, direct current generator or AC asynchronous motor, because conventional radial motor axial direction installation dimension is larger, power density
It is all relatively low with efficiency, it is unfavorable in the applications that electric automobile domain level constraints requirement is strict, efficiency requirements are high.
Conventional disc type electric machine typically uses 1~2 rotor, as electric automobile is to power density, size restriction requirements
More and more higher, huge challenge is brought to design of electrical motor.
Utility model content
The shortcomings that the utility model is in order to overcome above-mentioned prior art, the purpose of this utility model are to propose three turns of one kind
Subrack structure, whole magnetic circuit run through three rotors and two stators, can save the weight of a rotor.
It is as follows that the utility model solves the technical scheme that above-mentioned technical problem is taken：
A kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool, including：Magnetic circuit through the first stator module 100a,
Second stator module 100b, drive end rotor assembly 200a, center roller component 200b and anti-drive end rotor assembly 200c, its
In, the center roller component uses magnet steel surface-mount type structure, also, the first stator module 100a, the second stator module 100b
With anti-drive end rotor assembly 200c, center roller component 200b and drive end rotor assembly 200a relative motion, pass through one
The angular contact clutch shaft bearing 213 and second bearing 222 of back-to-back installation are realized.
Preferably, in the anti-drive end rotor assembly 200c, rotor assembly 200 is designed to the first magnet steel 202,
In two magnet steel 207, the surface-mount type structure of the 3rd magnet steel 211, drive end rotor assembly 200a and anti-drive end rotor assembly 200c
Magnet steel parting bead 204, magnet steel parting bead 209 can fix the first magnet steel 202, the 3rd magnet steel 211 with firm, limit its radially, axially,
Circumferential movement；Center roller component 200b is using together with the first magnet steel framework 206 and the banding of the second magnet steel framework 208.
Preferably, described center roller component 200b, including：Second magnet steel 207, the coating of the bottom surface of the second magnet steel 207
Magnet steel bottom surface glue, both sides position the 3rd magnet steel 211 using the first magnet steel framework 206, the second magnet steel framework 208, limit it and cut
To, radially, axially move.2 the first magnet steel frameworks 206, the second magnet steel framework 208 are secured together by screw 205.
Preferably, described drive end rotor assembly 200a structure type and anti-drive end rotor assembly 200c knot
Configuration formula is identical, and drive end rotor assembly 200a is connected with center roller component 200b by two side flanges on axle sleeve 217,
Fixed and tightened using the first holding screw 215 and the second holding screw 218.
Preferably, the anti-drive end rotor assembly 200c and center roller component 200b passes through two on axle sleeve 219
Side flange connects, and is fixed and be screwed together using the second holding screw 218, the 3rd holding screw 220, wherein, the first axle sleeve
217th, the second axle sleeve 219 is connected with axle 9216 by spline pair, and both sides are positioned using the first arc key 214 and the second arc key 221.
Preferably, the first described magnet steel 202, the second magnet steel 207, the 3rd magnet steel 211 are higher using temperature resistant grade
N38EH, maximum operating temperature reach 200 °C.
Preferably, the first rotor iron core 201, the second rotor core 202 and the first magnet steel framework 206, the second magnet steel
Framework 208 is designed using the design of scallop hole duplicate removal, axle 216 using hollow shaft.
Using the disc type electric machine of this structure, power density, torque density can do more, and structure is compacter, fit
There should be the occasion of rigors to motor mounting space in future；Rotor employs magnet steel surface-mount type structure and the pole of 12 groove 10
Proximal pole groove coordinates, and disc-type electric motor has preferable weak magnetism speed expansion ability, is adapted to high-speed cruising operating mode.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through
Specifically noted structure is realized and obtained in the specification, claims and accompanying drawing write.
Brief description of the drawings
The utility model is described in detail below in conjunction with the accompanying drawings, to cause above-mentioned advantage of the present utility model more
Clearly.
Fig. 1 is the sectional structure chart of the axial magnetic flux disk type electric motor rotor of the utility model bimorph transducer triple-spool.
Fig. 2 is the detonation configuration figure of the axial magnetic flux disk type electric motor rotor of the utility model bimorph transducer triple-spool.
Embodiment
The utility model is described in detail with reference to specific embodiment.
Specifically, described triple-spool framework applications object is a kind of stator wheel hub water cooling and bimorph transducer triple-spool framework
Axial magnetic flux disc-type electric motor, using bimorph transducer triple-spool framework, there is spindle design, wherein stator uses segmented armature knot
Structure, stator core is without yoke portion；Rotor uses magnet steel surface-mount type structure, and temperature rise management is cooled down using whole stator wheel hub Water-cooling circulating
Radiating mode.The relative motion of stator module and rotor assembly 200, passes through the angular contact clutch shaft bearing of a pair of back-to-back installations
213 realize with second bearing 222.
Described rotor assembly 200 includes drive end rotor assembly 200a, center roller component 200b, anti-drive end rotor
Component 200c, three rotor assembly are connected by the ring flange on 2 the first axle sleeves 217, the second axle sleeve 219.In order that motor
With high power density and torque density, rotor assembly 200 is designed to the first magnet steel 202, the second magnet steel 207, the 3rd magnetic
The surface-mount type structure of steel 211.
Described center roller component 200b, the second magnet steel 207 in rotor assembly 200b is designed to surface-mount type structure.
Both sides position the 3rd magnet steel 211 using the first magnet steel framework 206, the second magnet steel framework 208, limit it tangentially, radially, axially
Motion.
Described drive end rotor assembly 200a structure type, the structure type phase with anti-drive end rotor assembly 200c
Together, the magnetizing direction of corresponding magnet steel is also identical.
The beneficial effects of the utility model：
Disc type electric machine temperature rise management design：Actively reduce loss and passive reduce is lost
Mainly consider the first magnet steel 202, the second magnet steel 207, every piece of monomer of the 3rd magnet steel 211 in terms of actively reducing loss
Using block design, and epoxy coating is carried out to block vortex to reduce eddy-current loss.
Passive to reduce loss aspect, the first magnet steel 202, the second magnet steel 207, the 3rd magnet steel 211 are higher using temperature resistant grade
N38EH sintered NdFeB materials.By above measure, disc type electric machine is provided with higher heatproof and upgraded, and can bear more
Big overload, structure is compacter, improves power of motor density and torque density.
Drive end rotor assembly 200a and anti-drive end rotor assembly 200c employ the first magnet steel 202, the second magnet steel
207th, the surface-mount type structure of the 3rd magnet steel 211, so as to have higher power density and torque density.
The disc type electric machine, which uses, spindle design, internal spline and disc type electric machine on the output shaft of decelerator or differential mechanism
External splines, connected by spline pair, wherein being coupled with decelerator, for slowing down；Or coupled with differential mechanism, for directly driving.
Mainly as traction power, pure electronic, hybrid vehicle etc. is suitably applied to space requirement harshness, straight drive or with deceleration
The field of device.
Wherein, described triple-spool framework applications object is a kind of stator wheel hub Water-cooling circulating cooling radiating and bimorph transducer three
The axial flux permanent magnet synchronization disc-type electric motor of rotor framework, using bimorph transducer triple-spool framework, there is spindle design, wherein rotor
Using magnet steel surface-mount type structure, temperature rise management is using whole stator wheel hub Water-cooling circulating cooling radiating mode.
Stator module and anti-drive end rotor assembly 200c, center roller component 200b and drive end rotor assembly 200a's
Relative motion, realized by the angular contact clutch shaft bearing 213 and second bearing 222 of a pair of back-to-back installations, angular contact bearing 213
Linked with the main shaft 209 of angular contact bearing 222 by interference fit.
Described anti-drive end rotor assembly 200c, such as Fig. 1, shown in Fig. 2.In order that motor has higher power close
Degree, surface-mount type structure is designed to by rotor assembly 200c the 3rd magnet steel 211.The bottom surface of 3rd magnet steel 211 coating magnet steel bottom surface glue,
The 3rd magnet steel 211 is positioned using magnet steel parting bead 209, limits that it is tangential, radially, axially moves.By screw 210 by magnet steel every
Bar 209 is fixed on rotor core 212.
Described center roller component 200b, the second magnet steel 207 in rotor assembly 200b is designed to surface-mount type structure.
Described center roller component 200b includes the second magnet steel 207, and the bottom surface of the second magnet steel 207 coating magnet steel bottom surface glue, both sides use
First magnet steel framework 206, the second magnet steel framework 208 position the 3rd magnet steel 211, limit that it is tangential, radially, axially moves.It is logical
Screw 205 is crossed to be secured together 2 the first magnet steel frameworks 206, the second magnet steel framework 208.
Described drive end rotor assembly 200a structure type, the structure type phase with anti-drive end rotor assembly 200c
Together, drive end rotor assembly 200a is connected with center roller component 200b by two side flanges on the first axle sleeve 217, uses
One holding screw 215, the second holding screw 218 are fixed and tightened；Similarly, anti-drive end rotor assembly 200c and center roller component
200b is connected by two side flanges on the second axle sleeve 219, is fixed and twisted using the second holding screw 218, the 3rd holding screw 220
Tightly.2 the first axle sleeves 217, the second axle sleeve 219 are connected with axle 216 by spline pair, and both sides use the first arc key 214, the second arc
Key 221 positions.
Operation principle of the present utility model is：The three-phase alternating current of the external motor inverter output of stator winding, produces circle
Shape rotating excitation field, the first magnet steel 202, the second magnet steel 207, magnetic field intercepts stator winding 109 caused by the 3rd magnet steel 211, so as to
Circular rotating field caused by stator winding drives the first magnet steel 202, the second magnet steel 207, permanent-magnet magnetic caused by the 3rd magnet steel 211
Field synchronization rotates, and produces electromagnetic torque.Employ surface-mounted rotor scheme so that disc type electric machine has higher power density
And torque density.
Although specific embodiment has been illustrated and described in this specification, it will be understood by those skilled in the art that
In the case of without departing substantially from the scope of the utility model, various replacements or equally realization can substitute this shown and described
A little specific implementation examples.The application is intended to the various specific implementation examples for covering any change and the utility model is discussed.Cause
This utility model is limited only by the claims and the equivalents thereof.
The eddy-current loss of magnet steel can be reduced using the rotor of above-mentioned design, three rotors are passed through using an overall magnetic circuit
Wear, a rotor of conventional disc type electric machine can be saved.The axial magnetic flux disc type electric machine designed using the triple-spool, power are close
Degree, torque density can be done bigger, and structure is compacter；Mainly as traction power, it is suitably applied pure electronic, mixing and moves
Power automobile etc. is harsh to space requirement, straight drives or the field with gearbox.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (7)
- A kind of 1. axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool, it is characterised in that including：Magnetic circuit runs through the first stator Component（100a）, the second stator module (100b), drive end rotor assembly（200a）, center roller component（200b）With it is non-driven Hold rotor assembly（200c）, wherein, the center roller component uses magnet steel surface-mount type structure, also, the first stator module （100a）, the second stator module（100b）With anti-drive end rotor assembly（200c）, center roller component (200b) and drive end Rotor assembly（200a）Relative motion, pass through the angular contact clutch shaft bearing of a pair of back-to-back installations（213）With second bearing （222）Realize.
- 2. the axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool according to claim 1, it is characterised in that described non- Drive end rotor assembly（200c）In, by rotor assembly（200）It is designed to the first magnet steel（202）, the second magnet steel（207）, the 3rd Magnet steel（211）Surface-mount type structure, drive end rotor assembly（200a）With anti-drive end rotor assembly（200e）In the first magnetic Steel parting bead（204）, the second magnet steel parting bead（209）The first magnet steel can be fixed with firm（202）, the 3rd magnet steel（211）, limit its footpath To, axial direction, circumferential movement；Center roller component（200b）Use the first magnet steel framework（206）With the second magnet steel framework（208）Hoop Tightly together.
- 3. the axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool according to claim 1, it is characterised in that described Center roller component (200b), including：Second magnet steel（207）, the second magnet steel（207）Bottom surface coating magnet steel bottom surface glue, both sides make With the first magnet steel framework（206）, the second magnet steel framework（208）To position the 3rd magnet steel（211）, limit it tangentially, radially, axially Motion, passes through screw（205）By 2 the first magnet steel frameworks（206）, the second magnet steel framework（208）It is secured together.
- 4. the axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool according to claim 1, it is characterised in that described Drive end rotor assembly（200a）Structure type it is identical with the structure type of anti-drive end rotor assembly (200c), and drive end Rotor assembly（200a）With center roller component（200b）Pass through the first axle sleeve（217）On two side flanges connection, use first Holding screw（215）With the second holding screw（218）Fixation is tightened.
- 5. the axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool according to claim 1, it is characterised in that described non- Drive end rotor assembly（200c）With center roller component（200b）Pass through the second axle sleeve（219）On two side flanges connection, and Use the second holding screw（218）, the 3rd holding screw（220）Fixation is screwed together, wherein, the first axle sleeve（217）, second Axle sleeve（219）With axle（216）Connected by spline pair, and both sides use the first arc key（214）With the second arc key（221）Positioning.
- 6. the axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool according to claim 1, it is characterised in that described First magnet steel（202）, the second magnet steel（207）, the 3rd magnet steel（211）Using the higher N38EH of temperature resistant grade, maximum operating temperature Reach 200 °C.
- 7. the axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool according to claim 1, it is characterised in that first turn Sub- iron core（201）, the second rotor core and the first magnet steel framework（206）, the second magnet steel framework（208）Using scallop hole duplicate removal Design, axle（216）Designed using hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552779.7U CN207117446U (en) | 2017-05-17 | 2017-05-17 | A kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552779.7U CN207117446U (en) | 2017-05-17 | 2017-05-17 | A kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool |
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| Publication Number | Publication Date |
|---|---|
| CN207117446U true CN207117446U (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720552779.7U Active CN207117446U (en) | 2017-05-17 | 2017-05-17 | A kind of axial magnetic flux disk type electric motor rotor of bimorph transducer triple-spool |
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| CN (1) | CN207117446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583201A (en) * | 2020-12-02 | 2021-03-30 | 美的威灵电机技术（上海）有限公司 | Power assembly and fan |
-
2017
- 2017-05-17 CN CN201720552779.7U patent/CN207117446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583201A (en) * | 2020-12-02 | 2021-03-30 | 美的威灵电机技术（上海）有限公司 | Power assembly and fan |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: 518000, Guangdong Province, Longgang District, Shenzhen city street, 2123 new Bi Road, Indus space, 9 floor Patentee after: Shenzhen elephant Electric Technology Co., Ltd. Address before: 518000 Longxiangge Pavilion, Shahe World Garden, 9 West Street, Overseas Chinese Town, Nanshan District, Shenzhen City, Guangdong Province Co-patentee before: Chen Qixu Patentee before: Liu Xiao |