CN206743072U - A kind of disc type electric machine structure - Google Patents
A kind of disc type electric machine structure Download PDFInfo
- Publication number
- CN206743072U CN206743072U CN201720409766.4U CN201720409766U CN206743072U CN 206743072 U CN206743072 U CN 206743072U CN 201720409766 U CN201720409766 U CN 201720409766U CN 206743072 U CN206743072 U CN 206743072U
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- magnet steel
- rotor
- rotating shaft
- core
- electric machine
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Abstract
The utility model discloses a kind of disc type electric machine structure, including central rotating shaft, retainer ring, rotor and stator, the Fixing shrink ring is connected on central rotating shaft, the rotor is socketed in retainer ring, the stator arrangement has two, is separately positioned on rotor both sides along the bearing of trend of central rotating shaft, the rotor includes circular rotor core, and multiple magnet steel, the magnet steel are embedded in rotor core.Magnet steel is embedded on rotor core by the utility model, change the technological means that magnet steel will be pasted onto to rotor core in the prior art, solve the problems, such as that magnet steel is easy to come off in the prior art, also ensure that each magnet steel after insertion is relative consistent with the distance of central rotating shaft, be distributed unanimously in all directions of magnetic field caused by guarantee.
Description
Technical field
Technical field of motors is the utility model is related to, more specifically to a kind of permanent magnet DC motor of tray type structure.
Background technology
Compared with traditional common electric machine, disc type electric machine has thickness of thin, and moment of torsion is big to wait prominent advantage, therefore in market
On occupy certain share.
Permanent magnet DC motor in disc type electric machine, it produces the magnet steel in magnetic field and is disposed on the rotor of motor, still
Magnet steel is all to be sticked in by bonding agent in the yoke of rotor in existing disk permanent-magnet dc motor, causes motor to turn in high speed
Magnet steel easily comes off in dynamic operation, and because the bonding agent after solidification has certain height, can cause the magnet steel after pasting
Height and position is deviated, and influences motor-field distribution, and then influences motor operating.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of disc type electric machine structure that magnet steel is embedded in internal rotor.
The solution that the utility model solves its technical problem is：
A kind of disc type electric machine structure, including central rotating shaft, retainer ring, rotor and stator, during the Fixing shrink ring is connected on
In heart rotating shaft, the rotor is socketed in retainer ring, and the central rotating shaft, retainer ring and rotor are mutually permanently connected into one
Body, the stator arrangement have two, and described two stators are axially separately positioned on rotor both sides, the rotor bag along central rotating shaft
Include the rotor core of annular shape, and multiple magnet steel, the magnet steel is embedded in rotor core, the magnet steel be a kind of terres rares forever
Magnet.
As the further improvement of above-mentioned technical proposal, the rotor core is provided with multiple inside and outside run through and magnetic
The insertion screens that steel shape size is mutually matched, the magnet steel is in the insertion screens of rotor core, above and below the magnet steel
Space is left between end face and rotor are intimate.
As the further improvement of above-mentioned technical proposal, the rotor also includes sheath, and the sheath is socketed in rotor iron
Core lateral surface.
As the further improvement of above-mentioned technical proposal, the magnet steel is provided with even number, and the magnetic pole strength of the magnet steel hangs down
Rotor iron is directly arranged in a manner of magnetic pole strength is alternate in the same side of rotor core in central rotating shaft axial direction, each magnet steel
On core.
As the further improvement of above-mentioned technical proposal, the magnet steel is configured with 6.
As the further improvement of above-mentioned technical proposal, the stator includes stator core and multiple elements of winding, described
Multiple yokes are provided with stator core, the multiple yoke circular array on stator core is distributed, the element of winding
It is inclined encapsulated coil, the element of winding snare is in the yoke of stator core.
The beneficial effects of the utility model are：Magnet steel is embedded on rotor core by the utility model, changes prior art
The middle technological means that magnet steel will be pasted onto to rotor core, solve the problems, such as that magnet steel is easy to come off in the prior art, moreover it is possible to protect
Each magnet steel after card is embedded is relative consistent with the distance of central rotating shaft, is distributed unanimously in all directions of magnetic field caused by guarantee.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the utility model entirety exploded perspective view.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more excellent draw bail.Each technology in the invention is special
Sign, can be with combination of interactions on the premise of not conflicting conflict.
The technical problem for the risk that comes off for the existing disc type electric machine magnet steel of solution be present in 1~Fig. 2 of reference picture, the utility model,
A kind of disc type electric machine structure built in magnet steel, including central rotating shaft 1, retainer ring 2, rotor 3 and stator 4, the fixation are provided
Ring 2 is socketed on central rotating shaft 1, and the rotor 3 is socketed in retainer ring 2, i.e., described central rotating shaft 1, retainer ring 2 and rotor
3 are mutually permanently connected integrally, and the stator 4 is configured with two, and described two stators 4 are axially set respectively along central rotating shaft 1
In the both sides of rotor 3, the rotor 3 includes circular rotor core 31, and multiple magnet steel 32, the magnet steel 32 are embedded in rotor
In iron core 31, the magnet steel 32 is a kind of rare-earth permanent magnet.Magnet steel 32 is embedded on rotor core 31 by the utility model, is changed
Become the technological means that magnet steel 32 will be pasted onto to rotor core 31 in the prior art, solve magnet steel 32 in the prior art and be easy to de-
The problem of falling, moreover it is possible to ensure each magnet steel 32 after insertion with respect to, guarantee caused by magnetic field consistent with the distance of central rotating shaft 1
It is distributed unanimously in all directions, and magnet steel 32 is fixed on rotor core 31 using bonding agent relative to existing disc type electric machine
Technological means, the assembly method of magnet steel 32 described in the utility model is more convenient, can effectively improve assembling effect；In addition
Magnet steel 32 described in the utility model is a kind of rare-earth permanent magnet, and magnetic is strong, can reduce the space-consuming of magnet steel 32.
Specifically, the rotor core 31 be provided with it is multiple it is inside and outside it is running through, be mutually matched with the shape size of magnet steel 32
Insertion screens 33, the magnet steel 32 embedded in rotor core 31 insertion screens 33 in；Other the utility model specific embodiment party
Formula, the magnet steel 32 are squares, and the magnet steel 32 of square is easy to manufacture, is easy to assemble, simultaneously for other shapes
Magnet steel 32, Distribution of Magnetic Field more specification caused by the magnet steel 32 of square, be easy to calculating of the later stage to stator winding parameter；
The assembly work to magnet steel 32 finally is rapidly completed for ease of manufacturer, the upper and lower end face of the magnet steel 32 and rotor 3 are intimate
Between leave space, will the embedded screens 33 be designed to cross shape, it is convenient tear magnet steel 32 from rotor core 31 open
Unload down.
Preferred embodiment is further used as, to prevent in motor operation course in the future, magnet steel 32 is by motor
Mist of oil or dust are attached to above, influence the service life of magnet steel 32, and rotor 3 described in the utility model embodiment also includes shield
Set 34, the sheath 34 is socketed in the lateral surface of rotor core 31.
Preferred embodiment is further used as, to form the magnetic field that rotor 3 can be driven to rotate, the utility model is implemented
Magnet steel 32 is provided with even number described in example, and the magnetic pole strength of the magnet steel 32 is perpendicular to the axial direction of central rotating shaft 1, each magnet steel
32 are arranged on rotor core 31 in the same side of rotor core 31 in a manner of magnetic pole strength is alternate, the utility model embodiment
In, described magnet steel 32 is configured with 6, passes through the distribution set-up mode of above-mentioned magnet steel 32 so that the quadrature axis inductance of motor is more than
D-axis inductance, make motor that there is more superior weak-magnetic speed-regulating function.
Preferred embodiment is further used as, the stator 4 includes stator core 43 and multiple elements of winding 42, described
Multiple yokes 41 are provided with stator core 43, the multiple yoke 41 is in for center line with central rotating shaft 1 on stator core 43
Annular array is distributed, and the element of winding 42 is inclined encapsulated coil, and the snare of the element of winding 42 is in stator core 43
In yoke 41, because the inner space of disc type electric machine is small compared with other conventional motors, therefore the utility model is by the element of winding
42 are designed as inclined structure, are easy to enough elements of winding 42 on disc type electric machine inner wrap, electricity when being run with guarantee
Machine can produce sufficiently large magnetic field.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of disc type electric machine structure, including central rotating shaft（1）, retainer ring（2）, rotor（3）And stator（4）, the fixation
Ring（2）It is socketed in central rotating shaft（1）On, it is characterised in that：The rotor（3）It is socketed in retainer ring（2）On, the stator（4）
Two are configured with, described two stators（4）Along central rotating shaft（1）Axially it is separately positioned on rotor（3）Both sides, the rotor（3）
Include the rotor core of annular shape（31）, and multiple magnet steel（32）, the magnet steel（32）Embedded in rotor core（31）In.
A kind of 2. disc type electric machine structure according to claim 1, it is characterised in that：The rotor core（31）Provided with multiple
Inside and outside the run through and magnet steel（32）The insertion screens that shape size is mutually matched（33）, the magnet steel（32）Embedded in rotor
Iron core（31）Insertion screens（33）In.
A kind of 3. disc type electric machine structure according to claim 2, it is characterised in that：The rotor（3）Also include sheath
（34）, the sheath（34）It is socketed in rotor core（31）Lateral surface.
A kind of 4. disc type electric machine structure according to claim 2, it is characterised in that：The magnet steel（32）It is provided with even number
It is individual, the magnet steel（32）Magnetic pole strength perpendicular to central rotating shaft（1）Axial direction, each magnet steel（32）In rotor core（31）'s
The same side is arranged in rotor core in a manner of magnetic pole strength is alternate（31）On.
A kind of 5. disc type electric machine structure according to claim 1, it is characterised in that：The stator（4）Including stator core
（43）With multiple elements of winding（42）, the stator core（43）On be provided with multiple yokes（41）, the multiple yoke（41）
In stator core（43）Upper circular array distribution, the element of winding（42）It is inclined encapsulated coil, the element of winding
（42）Snare is in stator core（43）Yoke（41）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720409766.4U CN206743072U (en) | 2017-04-18 | 2017-04-18 | A kind of disc type electric machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720409766.4U CN206743072U (en) | 2017-04-18 | 2017-04-18 | A kind of disc type electric machine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206743072U true CN206743072U (en) | 2017-12-12 |
Family
ID=60561054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720409766.4U Active CN206743072U (en) | 2017-04-18 | 2017-04-18 | A kind of disc type electric machine structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206743072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317699A (en) * | 2018-10-12 | 2019-02-12 | 苏州汇川技术有限公司 | Electric spindle of lathe rotor, method for dismounting and electric spindle of lathe motor |
| CN109921532A (en) * | 2019-04-25 | 2019-06-21 | 南通雄亚机电制造有限公司 | A kind of embedded permanent magnet machine rotor |
-
2017
- 2017-04-18 CN CN201720409766.4U patent/CN206743072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317699A (en) * | 2018-10-12 | 2019-02-12 | 苏州汇川技术有限公司 | Electric spindle of lathe rotor, method for dismounting and electric spindle of lathe motor |
| CN109921532A (en) * | 2019-04-25 | 2019-06-21 | 南通雄亚机电制造有限公司 | A kind of embedded permanent magnet machine rotor |
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