CN107968504A - A kind of permanent magnet synchronous motor - Google Patents
A kind of permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN107968504A CN107968504A CN201711476854.7A CN201711476854A CN107968504A CN 107968504 A CN107968504 A CN 107968504A CN 201711476854 A CN201711476854 A CN 201711476854A CN 107968504 A CN107968504 A CN 107968504A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- stent
- magnetic
- yoke block
- synchronous motor
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of permanent magnet synchronous motor, its key points of the technical solution are that including casing, with the main shaft of casing rotation connection, be fixed in the motor stator of casing internal and the rotor being fixed on main shaft, rotor include being connected with main shaft every magnetic stent, multiple are fixed in every the permanent magnet on magnetic stent and multiple are installed in every the yoke block on magnetic stent;Yoke block is arranged on every side of the magnetic stent away from shaft and using main shaft as the uniform circle distribution of axis, and permanent magnet is arranged between adjacent yoke block and is abutted with adjacent yoke block;It is made every magnetic stent of non-magnet material, yoke block is made of ferromagnetic material, and permanent magnet utilization rate is higher.
Description
Technical field
The present invention relates to a kind of motor, more particularly to a kind of permanent magnet synchronous motor.
Background technology
Since 21st century, the mankind increase sharply the demand of energy-consuming, easily and efficiently power consumption
More than half is converted into mechanical energy by electric-motor drive device and is consumed.Motor is by rotor and motor stator two parts
Composition, rotor is the rotary part in motor, it is the conversion for realizing electric energy and mechanical energy and mechanical energy and electric energy
Device.
Motor has diversified type as common driving device, and one type is permanent magnet synchronous motor.This electricity
Machine has the advantages that simple in structure, small, light-weight, loss is small, efficient, power factor is high, is mainly used for requirement response
Quickly, the renewal of speed-regulating range width, the high performance servo transmission system of accurate positioning and direct current generator substitutes motor.This motor
Structure mainly include stator, rotor and permanent magnet for being arranged on rotor etc..
Permanent magnet sets form to include surface-mount type magnetic steel rotor structure and embedded construction rotor.Surface-mount type magnetic steel rotor knot
The permanent magnet of structure is evenly spaced in motor every magnetic rack surface in tiles.The permanent magnet consumption of this structure is bigger, permanent magnetism
The utilization rate of body is relatively low.The form of embedded construction rotor is varied, and the main body of general rotor is formed using silicon steel plate stacking,
The groove of embedded permanent magnet is opened up on rotor sheet, the magnetic line of force complex distribution of this rotor, magnetic loss is high, permanent magnet utilization rate
It is relatively low.
The content of the invention
The object of the present invention is to provide a kind of permanent magnet synchronous motor, it is possible to increase permanent magnet utilization rate.
The present invention above-mentioned technical purpose technical scheme is that:
A kind of permanent magnet synchronous motor, including casing, with the main shaft of casing rotation connection, be fixed in the motor stator of casing internal with
And be fixed in the rotor on main shaft, rotor include being connected with main shaft every magnetic stent, multiple be fixed in every magnetic stent
On permanent magnet and multiple be installed in every the yoke block on magnetic stent;Yoke block is arranged on every side of the magnetic stent away from shaft
And using main shaft as the uniform circle distribution of axis, permanent magnet is arranged between adjacent yoke block and is abutted with adjacent yoke block;Every magnetic
Stent is made of non-magnet material, and yoke block is made of ferromagnetic material.
By using above-mentioned technical proposal, can be set using every magnetic stent in permanent magnet close to the side of main shaft every magnetic cup
Barrier, allows the magnetic line of force of permanent magnet mainly to punish cloth in rotor entirety excircle, reduces the magnetic force away from motor stator, can be with
The magnetic force utilization rate of unit permanent magnet is improved, makes to form permanent magnet used in same magnetic field in rotor surface small, Ke Yiyou
Effect reduces cost.
Preferably, stake body every magnetic stent including tubular, be fixed in stent external surface magnetic shield and two points
The stent end cap at stake body both ends is not fixed in;Yoke block is abutted with two stent end caps respectively with the both ends of permanent magnet.
By using above-mentioned technical proposal, using the global shape of stake body supporting motor rotor, there is pin using magnetic shield
The permanent magnet that reduces of property is distributed in the magnetic line of force close to main shaft side, being stamped targetedly reduction permanent magnet using bracket end exists
The magnetic line of force distribution at rotor axial direction both ends.Stent end cap is axial parallel to main shaft as limitation yoke block and permanent magnet at the same time
Movement, and clamping yoke block and permanent magnet fixes it.
Preferably, stake body is made of cast aluminium, magnetic shield for copper into.
By using above-mentioned technical proposal, the permeability of stake body on the one hand can be reduced using cast aluminium, on the other hand may be used
To reduce the weight of rotor entirety.Magnetic shield is made of copper, and magnetism isolating effect is good.
Preferably, stent end cap, towards locating slot is provided with the end face of yoke block, positioning is inserted at the both ends of yoke block respectively
In groove.
By using above-mentioned technical proposal, locating slot is set, after side stent end cap is installed, it is possible to quick to determine
Position of the yoke block on stent, positions easy to the installation of yoke block and permanent magnet.
Preferably, yoke block is reinforced in groove away from every being provided with reinforcing groove on the surface of magnetic stent and is connected with reinforcing strip, reinforce
The both ends of bar are fixed in bracket end and cover.
By using above-mentioned technical proposal, reinforcing strip is set, can be to avoid yoke block from every one of magnetic stent away from main shaft
End is skidded off every magnetic stent;Set at the same time reinforce groove can be reinforcing strip setting it is more stable, and may further ensure that magnetic
Yoke block will not move on the periphery every magnetic stent.
Preferably, yoke block close to the end face of adjacent permanent magnet away from every being wholely set fixture block on magnetic stent, fixture block with
Permanent magnet abuts and positioned at permanent magnet away from every one end of magnetic stent.
By using above-mentioned technical proposal, set fixture block to play the role of stopping permanent magnet, avoid permanent magnet slave phase
Gap between adjacent yoke block skids off;Fixture block can reduce the area of the permanent magnet exposed to rotor surface at the same time, can be with
Eddy-current loss can be preferably reduced, reduces the possibility of rotor irreversible demagnetization.
Preferably, yoke block close to the end face of adjacent permanent magnet close to every being wholely set feet on magnetic stent, feet with
Permanent magnet abuts and positioned at permanent magnet close to every one end of magnetic stent.
By using above-mentioned technical proposal, set feet to coordinate fixture block, formed and stopped at permanent magnet both ends, due to yoke block
With permanent magnet every being distributed in a ring on magnetic stent, yoke block and permanent magnet are constrained one another along the movement of main shaft radial direction by the two,
Allow yoke block and permanent magnet is relatively stable is fixed on every on magnetic stent.In addition, feet can permanent magnet in rotor it
Between form gap, the gap is easy to permanent magnet cooling down, contributes to permanent magnet caused by surface high-temp forever to demagnetize.
Preferably, one of bracket end cover be provided with allow permanent magnet to pass through by hole, it is described by hole with it is adjacent
Gap is alignd between two yoke blocks.
By using above-mentioned technical proposal, setting passes through hole, can be completely fixed in yoke block after on magnetic stent, then
The installation of permanent magnet is carried out, the position of the yoke block of the magnetic force influence floating of permanent magnet is effectively avoided, contributes to reduction installation difficult
Degree.
Preferably, be provided with includes lid and the secondary lid being fixed on lid by the stent end cap in hole, opened up by hole
On lid, the pair is covered equipped with the fixation convex block that hole is adapted is inserted through, and fixed convex block is abutted with permanent magnet.
By using above-mentioned technical proposal, secondary lid is set, utilization fixes convex block closure and passes through hole thereon, avoid pipe magnetic separator from
By being skidded off in hole.Make the overall structure of rotor more stable.
In conclusion the invention has the advantages that:
Improve the magnetic force utilization rate of permanent magnet;Reduce motor cost;Advantageously reduce the weight of rotor entirety;It is fixed to be easily installed
Position;Eddy-current loss can be reduced;Reduce the possibility of rotor irreversible demagnetization.
Brief description of the drawings
Fig. 1 is the structure diagram of permanent magnet synchronous motor;
Fig. 2 is the structure diagram of rotor;
Fig. 3 is the exploded perspective view of rotor;
Fig. 4 is rotor cross-sectional view;
Fig. 5 is enlarged drawing at A in Fig. 4;
Fig. 6 is enlarged drawing at B in Fig. 3;
Fig. 7 is enlarged drawing at C in Fig. 3;
Fig. 8 is the sectional view of yoke block and stent junction;
Fig. 9 is the sectional view of permanent magnet and stent junction;
Figure 10 is the partial schematic diagram of lid and secondary lid explosive view.
In figure, 1, casing;11st, engine base;12nd, drive end bearing bracket;13rd, rear end cap;14th, fore bearing inner end cap;15th, fore bearing outer end
Lid;16th, rear bearing inner end cap;17th, rear bearing outer end cap;2nd, main shaft;3rd, rotor;31st, every magnetic stent;311st, stake body;
3111st, inner cylinder;3112nd, outer barrel;3113rd, supporting rib;3114th, lightening hole;312nd, magnetic shield;313rd, second support end cap;3131、
Lid;3132nd, secondary lid;3133rd, secondary orifices;3134th, hole is passed through;3135th, fixed convex block;3136th, secondary bonnet bolt;314th, first support
End cap;315th, connecting hole;316th, bolt is connected;317th, locating slot;32nd, yoke block;321st, fixture block;322nd, feet;323rd, reinforce
Groove;33rd, permanent magnet;34th, reinforcing strip;35th, bolt is reinforced;4th, motor stator;41st, stator core;42nd, stator winding;5th, radiate
Fan;6th, fan housing.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.The identical reference numeral of wherein identical parts
Represent.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to it is attached
Direction in figure, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometric center
Direction.
A kind of permanent magnet synchronous motor, as shown in Figure 1, including casing 1, with casing 1 be rotatablely connected main shaft 2, be fixed in master
Rotor 3 on axis 2 and the motor stator 4 being fixed in casing 1.
Casing 1 includes the engine base 11 of both ends open, the drive end bearing bracket 12 of 11 one end of flanged joint engine base and flanged joint and exists
The rear end cap 13 of 11 other end of engine base.Engine base 11 is overall cylindrical, and the side wall of engine base 11 is hollow-core construction.The outer wall of engine base 11
On be connected with multi-disc heat sink.
The center of drive end bearing bracket 12 and rear end cap 13 has bearing hole, is rotated in the bearing hole equipped with supports main shaft 2
Bearing.Fore bearing inner end cap 14 and the fore bearing outer end of locking 12 upper bearing (metal) axial location of drive end bearing bracket are connected with drive end bearing bracket 12
Lid 15.The fore bearing inner end cap 14 is located at drive end bearing bracket 12 and is located at close to the side of rear end cap 13, the fore bearing outer end cap 15
Side of the drive end bearing bracket 12 away from rear end cap 13.
Similar, the rear bearing inner end cap 16 of locking 13 upper bearing (metal) axial location of rear end cap is connected with rear end cap 13 with after
Bearing outer end cap 17.Bearing inner end cap 16 is located at rear end cap 13 close to the side of drive end bearing bracket 12, the rear bearing outer end after described
Lid 17 is located at side of the rear end cap 13 away from drive end bearing bracket 12.
Main shaft 2 and the bearing inner race in drive end bearing bracket 12 and rear end cap 13 are affixed.Stretched from drive end bearing bracket 12 one end of main shaft 2
Go out, the output terminal as motor;The other end of main shaft 2 is stretched out from rear end cap 13.It is provided with main shaft 2 for connecting rotor 3
Rotor keyway.
As shown in Figures 2 and 3, rotor 3 is included every magnetic stent 31, yoke block 32 and permanent magnet 33.
Include stake body 311, the magnetic shield 312 being set on stake body 311 every magnetic stent 31 and be fixed in stake body
The stent end cap at 311 both ends.
Stake body 311 is made of cast aluminium, including inner cylinder 3111 and the outer barrel 3112 that is set in outside inner cylinder 3111, inner cylinder
The 3111 axial centre position in outer barrel 3112, the axial length of inner cylinder 3111 are less than the axial length of outer barrel 3112.It is interior
3111 inner rings of cylinder are adapted in main shaft 2, and the keyway being oppositely arranged with rotor keyway is provided with inner cylinder 3111(It is not drawn into figure), it is main
Axis 2 and inner cylinder 3111 pass through the key connection that is placed on rotor keyway and inner cylinder 3111 in keyway.In inner cylinder 3111 and outer barrel
The supporting rib 3113 affixed with the two is provided between 3112, supporting rib 3113 is annular in shape, and in the axial direction of outer barrel 3112
Between position.Being offered its perforative lightening hole 3114 on supporting rib 3113, lightening hole 3114 is the through hole of section waist type,
And it is provided with multiple.
Magnetic shield 312 is thin-wall circular tube, and what its inner ring was adapted with the outer circumference surface of outer barrel 3112 is set in stake body 311
Outside.Magnetic shield 312 is made of copper.
Stent end cap is divided into first support end cap 314 and second support end cap 313.First support end cap 314 is annular, and
It is coaxial with inner cylinder 3111, internal diameter of the internal diameter not less than outer barrel 3112 of first support end cap 314 and the outside diameter less than outer barrel 3112,
The outside diameter of first support end cap 314 is more than the outside diameter of outer barrel 3112.Multiple companies are provided with the axial end face of first support end cap 314
Hole 315 is connect, first support end cap 314 is affixed by the connection bolt 316 being threadedly coupled through connecting hole 315 with stake body 311
On one of axial end face of stake body 311.Second support end cap 313 includes lid 3131 and secondary lid 3132.Lid
3131 shape, structure are similar to structure, the shape of first support end cap 314.Multiple secondary orifices are provided with the end face of secondary lid 3132
3133, secondary lid 3132 is fixed on lid 3131 by 3132 bolt of secondary lid being threadedly coupled through secondary orifices 3133 with lid 3131
On.
As shown in figure 3, yoke block 32 is elongated, as shown in figure 4, the similar fan annular of the main part of its cross section.Institute
It is consistent with the major diameter of magnetic shield 312 to state the path of fan annular, it is described to fan major diameter of the annular major diameter more than stent end cap.Such as Fig. 5
Shown in Fig. 6, annular two straight flanges of fan convex to form two to away from another straight flange direction respectively close to its path one end
Feet 322.Annular two straight flanges of fan convex to form two cards to away from another straight flange direction respectively close to its major diameter one end
Block 321.Yoke block 32 is equipped with the periphery of multiple and uniform distribution magnetic shield 312, is stayed between two neighboring yoke block 32
There is certain gap.The fan annular inner race is coaxial to surface and magnetic shield 312.With reference to figure, shown in 7 and Fig. 8, two first supports
Multiple locating slots being adapted with 32 cross section of yoke block are uniformly provided with the end face of end cap 314 and lid 3131 toward each other
317.The both ends of yoke block 32 are inserted into the locating slot 317 of two stent end caps respectively.Yoke block 32 using silicon steel sheet laminated and
Into yoke block 32 is provided with the reinforcing groove 323 of strip on the end face away from stake body 311, reinforce the length direction and magnetic of groove 323
The length direction of yoke block 32 is parallel.Reinforce in groove 323 and be connected with the reinforcing strip 34 of strip.The both ends of reinforcing strip 34 are provided with logical
Hole, reinforcing strip 34 are fixed by the reinforcing bolt 35 being threadedly coupled through the through hole with stent end cap.
With reference to Fig. 3 and Fig. 4, permanent magnet 33 is rectangular slat shape, and is provided with multiple.Each permanent magnet 33 is plugged on phase respectively
Closely it is affixed between adjacent two yoke blocks 32 and with the main part of both sides yoke block 32.Permanent magnet 33 is located at fixture block 321 and pad
Between foot 322, and abutted with fixture block 321 and feet 322.
With reference to shown in Fig. 3 and Fig. 9, it is provided with second support end cap 313 by hole 3134.It is described that lid is run through by hole 3134
Body 3131, and the gap between two neighboring yoke block 32 is opposite, permanent magnet 33 is threaded through hole 3134 and is inserted into adjacent magnetic
Between yoke block 32.Air line distance between the length of permanent magnet 33 and first support end cap 314 and lid 3131 is equal.Permanent magnet
33 connect in first support end cap 314, and the other end of permanent magnet 33 is abutted in secondary lid 3132.With reference to shown in Figure 10, on secondary lid 3132
It is connected with the fixation convex block 3135 being adapted by hole 3134, fixed convex block 3135 is inserted through hole 3134 and permanent magnet 33 is remote
One end from first support end cap 314 abuts.
Fig. 2 is reviewed, motor stator 4 includes stator core 41 and stator winding 42.Stator core 41 is mainly folded by multiple
Bleed off pressure tight stator piece composition.Stator piece is the flake that silicon steel sheet is stamped to form.Stator piece is generally annular, its inner ring one is opened
There are multiple grooves.The outer ring that stator winding 42 is arranged on the default sub-pieces of the groove is adapted with 11 inner ring of engine base.Stator core 4
In engine base 11 and it is set at rotor 3.
Bearing outer end cap 17 after main shaft 2 stretches out, is connected with heat emission fan 5 on extension.Fan housing 6 is connected with engine base 11.
Fan housing 6 and rear end cap 13 cover on heat emission fan 5 wherein.
When rotor is installed, first by one of stent end cap, it is fixed on stake body 311, each yoke block 32 is inserted respectively
Enter into locating slot 317, another stent end cap is fixed on stake body 311, two stent end caps is clamped yoke block 32 solid
It is fixed, secondary lid 3132 is removed, permanent magnet 33 is threaded through hole 3134 is inserted between two neighboring yoke block 32 and with first support
End cap 314 abuts, and the fixation convex block 3135 on secondary lid 3132 is inserted through in hole 3134, makes fixed convex block 3135 and permanent magnet
33 abut, and secondary lid 3132 are fixed on lid 3131 in use, the interior electric field for being powered, producing change of stator winding 42, permanent magnetism
Stress changes body 33 in the electric field, and then makes rotor drive main shaft 2 to rotate.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Claims (9)
1. a kind of permanent magnet synchronous motor, including casing (1), with the main shaft (2) of casing (1) rotation connection, be fixed in casing (1)
The motor stator (4) in portion and the rotor (3) being fixed on main shaft (2), it is characterised in that:Rotor (3) include with
Main shaft (2) connection every magnetic stent (31), multiple are fixed in every the permanent magnet (33) on magnetic stent (31) and multiple are installed in
Every the yoke block (32) on magnetic stent (31);Yoke block (32) is arranged on every side of the magnetic stent (31) away from shaft and with main shaft
(2) it is the uniform circle distribution of axis, permanent magnet (33) is arranged between adjacent yoke block (32) and is supported with adjacent yoke block (32)
Connect;It is made every magnetic stent (31) of non-magnet material, yoke block (32) is made of ferromagnetic material.
2. permanent magnet synchronous motor according to claim 1, it is characterised in that:Include the stake body of tubular every magnetic stent (31)
(311), it is fixed in the magnetic shield (312) of stake body (311) outer surface and two is respectively and fixedly connected to stake body (311) both ends
Stent end cap;Yoke block (32) is abutted with two stent end caps respectively with the both ends of permanent magnet (33).
3. permanent magnet synchronous motor according to claim 2, it is characterised in that:Stake body (311) is made of cast aluminium, magnetic shield
(312) for copper into.
4. permanent magnet synchronous motor according to claim 2, it is characterised in that:End face of the stent end cap towards yoke block (32)
On be provided with locating slot (317), the both ends of yoke block (32) are inserted into locating slot (317) respectively.
5. permanent magnet synchronous motor according to claim 4, it is characterised in that:Yoke block (32) is away from every magnetic stent (31)
It is provided with surface and reinforces groove (323), is reinforced in groove (323) and be connected with reinforcing strip (34), the both ends of reinforcing strip (34) are fixed in branch
Frame end covers.
6. permanent magnet synchronous motor according to claim 2, it is characterised in that:Yoke block (32) is close to adjacent permanent magnet (33)
End face away from every being wholely set fixture block (321) on magnetic stent (31), fixture block (321) is abutted with permanent magnet (33) and is located at forever
Magnet (33) is away from every one end of magnetic stent (31).
7. permanent magnet synchronous motor according to claim 6, it is characterised in that:Yoke block (32) is close to adjacent permanent magnet (33)
End face close to every being wholely set feet (322) on magnetic stent (31), feet (322) is abutted with permanent magnet (33) and is located at forever
Magnet (33) is close to every one end of magnetic stent (31).
8. permanent magnet synchronous motor according to claim 6, it is characterised in that:One of bracket end, which covers, is provided with permission forever
Magnet (33) pass through by hole (3134), it is described to be alignd by gap between hole (3134) and two neighboring yoke block (32).
9. permanent magnet synchronous motor according to claim 8, it is characterised in that:It is provided with the stent end cap bag by hole (3134)
The secondary lid (3132) for including lid (3131) and being fixed on lid (3131), lid (3131) is opened in by hole (3134)
On, the secondary lid (3132), which is equipped with, is inserted through the fixation convex block (3135) that hole (3134) is adapted, fixed convex block (3135)
Abutted with permanent magnet (33).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711476854.7A CN107968504A (en) | 2017-12-29 | 2017-12-29 | A kind of permanent magnet synchronous motor |
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CN201711476854.7A CN107968504A (en) | 2017-12-29 | 2017-12-29 | A kind of permanent magnet synchronous motor |
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Family
ID=61993235
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CN201711476854.7A Pending CN107968504A (en) | 2017-12-29 | 2017-12-29 | A kind of permanent magnet synchronous motor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111446792A (en) * | 2020-04-20 | 2020-07-24 | 珠海格力电器股份有限公司 | Rotor core assembly, rotor assembly and permanent magnet motor |
CN112600329A (en) * | 2020-11-16 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Rotor of miniature permanent magnet motor |
WO2023124833A1 (en) * | 2021-12-31 | 2023-07-06 | 深圳先进技术研究院 | Electric motor rotor without outer magnetic bridge |
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JP2003102151A (en) * | 2001-09-25 | 2003-04-04 | Matsushita Electric Ind Co Ltd | Electric motor and producing method therefor |
US20090309448A1 (en) * | 2008-06-11 | 2009-12-17 | System General Corporation | End cover and motor rotor having the end cover |
CN202586540U (en) * | 2011-12-16 | 2012-12-05 | 铜陵浩岩节能科技有限公司 | Permanent magnet motor rotor and permanent magnet motor thereof |
CN106451862A (en) * | 2016-12-16 | 2017-02-22 | 合肥巨动力系统有限公司 | Detachable motor rotor structure and designing method thereof |
CN107482810A (en) * | 2017-09-29 | 2017-12-15 | 天津创远亿德科技发展有限公司 | A kind of efficient rotor |
CN207664735U (en) * | 2017-12-29 | 2018-07-27 | 天津创远亿德科技发展有限公司 | A kind of permanent magnet synchronous motor |
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- 2017-12-29 CN CN201711476854.7A patent/CN107968504A/en active Pending
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JP2003102151A (en) * | 2001-09-25 | 2003-04-04 | Matsushita Electric Ind Co Ltd | Electric motor and producing method therefor |
US20090309448A1 (en) * | 2008-06-11 | 2009-12-17 | System General Corporation | End cover and motor rotor having the end cover |
CN202586540U (en) * | 2011-12-16 | 2012-12-05 | 铜陵浩岩节能科技有限公司 | Permanent magnet motor rotor and permanent magnet motor thereof |
CN106451862A (en) * | 2016-12-16 | 2017-02-22 | 合肥巨动力系统有限公司 | Detachable motor rotor structure and designing method thereof |
CN107482810A (en) * | 2017-09-29 | 2017-12-15 | 天津创远亿德科技发展有限公司 | A kind of efficient rotor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111446792A (en) * | 2020-04-20 | 2020-07-24 | 珠海格力电器股份有限公司 | Rotor core assembly, rotor assembly and permanent magnet motor |
CN112600329A (en) * | 2020-11-16 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Rotor of miniature permanent magnet motor |
WO2023124833A1 (en) * | 2021-12-31 | 2023-07-06 | 深圳先进技术研究院 | Electric motor rotor without outer magnetic bridge |
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