CN104993624B - Rotor structure - Google Patents
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- CN104993624B CN104993624B CN201510374950.5A CN201510374950A CN104993624B CN 104993624 B CN104993624 B CN 104993624B CN 201510374950 A CN201510374950 A CN 201510374950A CN 104993624 B CN104993624 B CN 104993624B
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Abstract
The present invention provides a kind of rotor structure, it includes have rotor body and tile-type magnet, the card slot being communicated in outside the rotor body is formed on the rotor body, the card slot has card slot bottom wall and card slot skew wall, the card slot bottom wall is connected to the card slot skew wall, and the card slot bottom wall is not orthogonal to the card slot skew wall, the tile-type magnet is installed in the card slot, the tile-type magnet has the magnet bottom wall of the corresponding card slot bottom wall and the magnet skew wall of the corresponding card slot skew wall, the magnet bottom wall is not orthogonal to the magnet skew wall, and the angle between the magnet bottom wall and the magnet skew wall is substantially equal to the angle between the card slot bottom wall and the card slot skew wall.The rotor structure of the present invention can promote outputting torsion, and manufacture and assembly program are simple, are conducive to the progress of production and assembly.
Description
Technical field
The present invention about a kind of rotor structure, espespecially a kind of motor for promoting outputting torsion and being conducive to production and assembly
Rotor structure.
Background technology
In general, motor includes rotor and stator, and rotor is rotatablely arranged in stator, and magnetic can be equipped in rotor
Iron, and stator can provide the magnetic field of time-varying, to magneticaction caused by the magnet in rotor, to drive rotor to rotate
Outputting torsion is externally generated, to provide transmission system (such as gear set) power.However, known magnet is to be arranged and coat
In in rotor, generated magnetic force can be blocked by the wall body of rotor and can not be directly exposed to the time-varying magnetic that stator is provided
, thus outputting torsion caused by rotor is reduced, and magnet is arranged in addition and is coated in rotor, manufacture and assembly program
It is more complicated, it is unfavorable for the progress of production and assembly.
Invention content
Therefore, one of the objects of the present invention is to provide a kind of rotor structure, which can promote outputting torsion simultaneously
Be conducive to production and assembly, to solve outputting torsion reduction caused by above-mentioned magnet is set in rotor and assemble complicated technology to ask
Topic.
In order to achieve the above objectives, the invention discloses a kind of rotor structures, and it includes have rotor body and the first tile-type
Magnet is formed with the first card slot being communicated in outside the rotor body on the rotor body, which has the first card slot
Bottom wall and the first card slot skew wall, the first card slot bottom wall are connected to the first card slot skew wall, and the first card slot bottom wall out of plumb
In the first card slot skew wall, which is installed in first card slot, the first tile-type magnet have it is corresponding this
First magnet skew wall of the first magnet bottom wall of one card slot bottom wall and the corresponding first card slot skew wall, the first magnet bottom wall do not hang down
Directly in the first magnet skew wall, and the angle between the first magnet bottom wall and the first magnet skew wall is equal to the first card slot bottom wall
With the angle between the first card slot skew wall.
One of them embodiment according to the present invention, the present invention, which separately discloses first card slot, separately has the first card slot straight
Wall, the first card slot straight wall are connected to the first card slot bottom wall and opposite with the first card slot skew wall, which hangs down
Directly in the first card slot bottom wall, which separately has the first magnet straight wall of the corresponding first card slot straight wall, this
One magnet straight wall is perpendicular to the first magnet bottom wall.
One of them embodiment according to the present invention, the present invention separately discloses the first card slot bottom wall and first card slot is oblique
Angle between wall is acute angle.
One of them embodiment according to the present invention, the present invention, which separately discloses first card slot, separately has the first card slot side
Wall, the first card slot side wall are connected to the first card slot bottom wall and opposite with the first card slot skew wall, and the first card slot side wall is not
Perpendicular to the first card slot bottom wall, which separately has the first magnet side wall of the corresponding first card slot side wall, should
First magnet side wall is not orthogonal to the first magnet bottom wall, and the angle etc. between the first magnet bottom wall and the first magnet side wall
Angle between the first card slot bottom wall and the first card slot side wall.
One of them embodiment according to the present invention, the present invention separately discloses the first card slot bottom wall and first card slot is oblique
Angle between wall is acute angle, and the angle between the first card slot bottom wall and the first card slot side wall is acute angle.
One of them embodiment according to the present invention, the present invention, which separately discloses first card slot, separately has the first card slot straight
Wall, the first card slot straight wall are connected to the first card slot bottom wall and opposite with the first card slot skew wall, which hangs down
Directly in being separately formed with the second card slot on the first card slot bottom wall, the rotor body, which is communicated in outside the rotor body
Portion and adjacent with first card slot, second card slot have the second card slot bottom wall, the second card slot skew wall and the second card slot straight wall, should
Second card slot bottom wall is connected to the second card slot skew wall and the second card slot straight wall, and the second card slot straight wall is perpendicular to second card
Groove bottom wall, the second card slot skew wall is adjacent with the first card slot skew wall, and the second card slot skew wall is not orthogonal to second card slot
Bottom wall.
One of them embodiment according to the present invention, the present invention separately disclose the rotor structure and have additionally comprised the second tile-type magnetic
Iron is installed in second card slot, which has the second magnet bottom wall, right of the corresponding second card slot bottom wall
Should the second magnet skew wall of the second card slot skew wall and the second magnet straight wall of the corresponding second card slot straight wall, second magnet is straight
For wall perpendicular to the second magnet bottom wall, which is not orthogonal to the second magnet skew wall, and the second magnet bottom wall
Angle between the second magnet skew wall is equal to the angle between the second card slot bottom wall and the second card slot skew wall.
One of them embodiment according to the present invention, the present invention, which separately discloses the first tile-type magnet, separately has the first magnet
Straight wall and the first magnet arc wall, the first magnet straight wall correspond to the first card slot straight wall and perpendicular to the first magnet bottom walls, should
First magnet arc wall connects the first magnet skew wall and the first magnet straight wall, the first magnet arc wall and the first magnet bottom wall
Relatively and it is exposed to the rotor body, which separately has the second magnet arc wall, and the second magnet arc wall connection should
Second magnet skew wall and the second magnet straight wall, the second magnet arc wall is opposite with the second magnet bottom wall and is exposed to the rotor
Ontology.
One of them embodiment according to the present invention, the present invention separately discloses the first card slot bottom wall and first card slot is oblique
Angle between wall is acute angle, and the angle between the second card slot bottom wall and the second card slot skew wall is obtuse angle.
One of them embodiment according to the present invention, the present invention, which separately discloses the first tile-type magnet, separately has the first magnet
Arc wall, the first magnet arc wall is opposite with the first magnet bottom wall and is exposed to the rotor body.
In conclusion compared to known techniques, since the card slot on the rotor body of rotor structure is communicated in rotor body
Outside, therefore when tile-type magnet is packed into card slot, the magnet arc wall of tile-type magnet can be exposed to rotor body, thereby magnet
Magnetic force caused by arc wall will not be blocked by rotor body and can be directly exposed to the time-varying magnetic field that the stator is provided, to carry
Rise outputting torsion caused by rotor structure.In addition, since the card slot on the rotor body of rotor structure is communicated in rotor body
Outside, therefore when assembling, axial direction that can be by tile-type magnet directly along the axis for being parallel to rotor body is set to rotor
In the card slot of ontology, manufacture and assembly program are simpler, are conducive to the progress of production and assembly.It is for the present invention aforementioned and its
He can clearly be presented technology contents, feature and effect in the detailed description of following cooperation accompanying drawings and embodiments.
Description of the drawings
Fig. 1 is the schematic diagram of first embodiment of the invention rotor structure.
Fig. 2 is the schematic diagram of first embodiment of the invention rotor body.
Fig. 3 is the close-up schematic view of first embodiment of the invention rotor structure.
Fig. 4 is the close-up schematic view of second embodiment of the invention rotor structure.
Fig. 5 is the close-up schematic view of third embodiment of the invention rotor structure.
Specific implementation mode
The direction term being previously mentioned in following embodiment, such as：Upper and lower, left and right, front or rear etc. are only to refer to appended drawings
The direction of formula.Therefore, the direction term used is intended to be illustrative and not intended to limit the present invention.Referring to Fig. 1, Fig. 1 is this hair
The schematic diagram of bright first embodiment rotor structure 3000.As shown in Figure 1, rotor structure 3000 includes rotor body 1 and plural number
A first tile-type magnet 2 is formed with a plurality of first card slots 10 being communicated in outside rotor body 1 on rotor body 1, wherein multiple
Several first tile-type magnet 2 are corresponding respectively and are installed in a plurality of first card slots 10, for the sake of clarity, below only with a plurality of the
One of one card slot 10 and one of a plurality of first tile-type magnet 2 make introduction about the construction.In this embodiment, rotor
Structure 3000 is applicable to motor unit (such as motor).
It please refers to Fig.1 to Fig.3, Fig. 2 is the schematic diagram of first embodiment of the invention rotor body 1, and Fig. 3 is the present invention first
The close-up schematic view of embodiment rotor structure 3000.As shown in Figure 1 to Figure 3, the first card slot 10 has the first card slot bottom wall
101, the first card slot skew wall 102 and the first card slot straight wall 103, the first card slot bottom wall 101 are connected to the first card slot skew wall 102 and
One card slot straight wall 103, the first card slot straight wall 103 and the first card slot skew wall 102 are opposite, and the first card slot bottom wall 101 is not orthogonal to the
One card slot skew wall 102, and the first card slot straight wall 103 is substantially perpendicular to the first card slot bottom wall 101.In addition, the first tile-type magnet 2
First magnet skew wall 202 of the first magnet bottom wall 201, corresponding first card slot skew wall 102 with corresponding first card slot bottom wall 101
And the first magnet straight wall 203 of corresponding first card slot straight wall 103, the first magnet skew wall of the first magnet bottom wall 201 connection 202 with
First magnet straight wall 203, the first magnet straight wall 203 and the first magnet skew wall 202 are opposite, and the first magnet bottom wall 201 is not orthogonal to
First magnet skew wall 202, and the first magnet straight wall 203 is substantially perpendicular to the first magnet bottom wall 201.
It, can be by the first tile-type magnet 2 along being parallel to shown in Fig. 2 turn when assembling the first tile-type magnet 2 with rotor body 1
The axial direction of the axis X of sub- ontology 1 is packed into the first card slot 10 of rotor body 1, makes the first card slot bottom of the first card slot 10
Wall 101 abuts the first magnet bottom wall 201 of the first tile-type magnet 2, the first card slot skew wall 102 abuts the first magnet skew wall 202 and
First card slot straight wall 103 abuts the first magnet straight wall 203.In this embodiment, the first card slot bottom wall 101 and the first card slot skew wall
Angle theta 1 between 102 is acute angle, therefore the angle α 1 between the first magnet bottom wall 201 and the first magnet skew wall 202 is also the acute angle,
That is the angle α 1 between the first magnet bottom wall 201 and the first magnet skew wall 202 is substantially equal to the first card slot bottom wall 101 and first card
Angle theta 1 between slot skew wall 102.
Therefore, clip slot is can define between the first card slot bottom wall 101 and the first card slot skew wall 102, the first tile-type magnet 2 is clamped
The first magnet bottom wall 201 and the first magnet skew wall 202.Thus, when the first tile-type magnet 2 is assembled in rotor body 1
When in the first card slot 10, the clip slot can prevent first watt defined in the first card slot bottom wall 101 and the first card slot skew wall 102
Type magnet 2 is detached from along the radial direction of the axis X perpendicular to rotor body 1 shown in Fig. 2 in the first card slot 10 so that first watt
Type magnet 2 can be fixed on when 1 relative stator of rotor body (not being illustrated in figure) rotates in the first card slot 10.
In addition to this, the first tile-type magnet 2 separately has the first magnet arc wall 204, opposite with the first magnet bottom wall 201,
That is, first first magnet arc wall 204 of tile-type magnet 2 be cambered surface, and the first of the first magnet bottom wall 201 and the first card slot 10
Card slot bottom wall 101 is plane, when assembling the first tile-type magnet 2 with rotor body 1, the first magnet bottom of the first tile-type magnet 2
Wall 201 is plane and the first magnet arc wall 204 is the structure design of cambered surface, can only provide the first tile-type magnet 2 with the first magnet
First card slot bottom wall 101 of the bottom wall 201 towards the first card slot 10 moves towards to be packed into the first card slot 10, i.e. the first tile-type magnet 2
It can not move towards to be packed into the first card slot 10 with first card slot bottom wall 101 of the first magnet arc wall 204 towards the first card slot 10.
It is noted that since the first card slot 10 is communicated in outside rotor body 1, when the first tile-type magnet 2 fills
When entering in the first card slot 10, the first magnet arc wall 204 of the first tile-type magnet 2 can be exposed to rotor body 1, thereby the first magnetic
Magnetic force caused by iron arc wall 204 will not be blocked by rotor body 1 and can be directly exposed to the time-varying magnetic that the stator is provided
, to promote outputting torsion caused by rotor structure 3000, the first directly edge of tile-type magnet 2 is parallel to shown in Fig. 2 in addition
The axial direction of axis X of rotor body 1 be set in the first card slot 10 of rotor body 1, manufacture and assembly program
It is relatively simple, be conducive to the progress of production and assembly.
Referring to Fig. 4, Fig. 4 is the close-up schematic view of second embodiment of the invention rotor structure 3000'.Such as Fig. 4 institutes
Show, rotor structure 3000' and the main difference of above-mentioned rotor structure 3000 are in the rotor body 1' of rotor structure 3000'
The first card slot 10' separately there is the first card slot side wall 104, be connected to the first card slot bottom wall 101 of the first card slot 10' and with the
One card slot skew wall 102 is opposite, and the first card slot side wall 104 is not orthogonal to the first card slot bottom wall 101, that is, rotor structure 3000'
The two side (i.e. the first card slot skew wall 102 and the first card slot side wall 104) of the first card slot 10' of rotor body 1' is all not orthogonal to
Card slot bottom wall 101.
In this embodiment, the angle theta 1 between the first card slot bottom wall 101 and the first card slot skew wall 102 of the first card slot 10'
And the first angle theta 2 between card slot bottom wall 101 and the first card slot side wall 104 may respectively be acute angle.To coordinate the first card slot 10'
Two side be all not orthogonal to the structure design of card slot bottom wall 101, the first tile-type magnet 2' of rotor structure 3000' separately has pair
The first magnet side wall 205 of the first card slot side wall 104, the first magnet side wall 205 is answered to be not orthogonal to the first magnet bottom wall 201, and
Angle α 2 between the first magnet bottom wall 201 and the first magnet side wall 205 of first tile-type magnet 2' is substantially equal to the first card slot
Angle theta 2 between bottom wall 101 and the first card slot side wall 104.And this embodiment and the member with identical label in above-described embodiment
Part, structure design and action principle having the same are repeated no more in this for the sake of clarity.
Referring to Fig. 5, Fig. 5 is the close-up schematic view of third embodiment of the invention rotor structure 3000 ".Such as Fig. 5 institutes
Show, rotor structure 3000 " and the main difference of above-mentioned rotor structure 3000 are in the rotor body 1 " of rotor structure 3000 "
On be separately formed with the second card slot 11, be communicated in that rotor body 1 " is external and adjacent with the first card slot 10, and the second card slot 11 has
Second card slot bottom wall 110, the second card slot skew wall 111 and the second card slot straight wall 112, the second card slot bottom wall 110 are connected to the second card
Slot skew wall 111 and the second card slot straight wall 112, the second card slot straight wall 112 is substantially perpendicular to the second card slot bottom wall 110, the second card
Slot skew wall 111 is adjacent with the first card slot skew wall 102 of the first card slot 10, and the second card slot skew wall 111 is not orthogonal to the second card slot
Bottom wall 110.
In this embodiment, the first card slot bottom wall 101 and the first card slot skew wall 102 of the first card slot 10 of rotor body 1 "
Between angle theta 1 be acute angle, and between the second card slot bottom wall 110 and the second card slot skew wall 111 of the second card slot 11 of rotor body 1 "
Angle β 1 be obtuse angle.In other words, the first card slot 10 of rotor body 1 " and the second card slot 11 are because of the folder between bottom wall and skew wall
Angle is different and is two different structures.And it is pressed from both sides between the first magnet bottom wall 201 and the first magnet skew wall 202 of the first tile-type magnet 2
Angle theta 1 between the first card slot bottom wall 101 and the first card slot skew wall 102 of the first card slots 10 of correspondence of angle α 1, therefore the first tile-type magnet
2 can not be installed in the second card slot 11, therefore rotor structure 3000 " has additionally comprised the second tile-type magnet 3, wherein the second tile-type magnetic
Iron 3 has the second magnet skew wall of the second magnet bottom wall 301 of corresponding second card slot bottom wall 110, corresponding second card slot skew wall 111
302 and corresponding second card slot straight wall 112 the second magnet straight wall 303, the second magnet straight wall 303 is substantially perpendicular to the second magnet
Bottom wall 301, the second magnet bottom wall 301 is not orthogonal to the second magnet skew wall 302, and the second magnet bottom wall 301 and the second magnet are oblique
Angle γ 1 between wall 302 is substantially equal to the folder between the second card slot bottom wall 110 and the second card slot skew wall 111 of the second card slot 11
Angle beta 1 (i.e. angle β 1 between the second card slot bottom wall 110 and the second card slot skew wall 111 is also obtuse angle), thereby the second tile-type magnet 3
It can be installed in the second card slot 11.
Similarly, the second tile-type magnet 3 separately has the second magnet arc wall 304, opposite with the first magnet bottom wall 201, by
It is communicated in 1 " outside of rotor body in the second card slot 11, therefore when the second tile-type magnet 3 is packed into the second card slot 11, second watt
Second magnet arc wall 304 of type magnet 3 can be exposed to rotor body 1, and thereby magnetic force caused by the second tile-type magnet 3 will not
It is blocked by rotor body 1 " and the time-varying magnetic field that the stator provided can be directly exposed to, to promote 3000 " institute of rotor structure
The outputting torsion of generation.It is noted that the first tile-type magnet 2 and the second tile-type magnet 3 are because of the angle between bottom wall and skew wall
It is different and be two different structures, therefore can be according to actual demand and by the magnetism of the first tile-type magnet 2 and the second tile-type magnet 3
Reverse phase is arranged, such as can set the first magnet arc wall 204 of the first tile-type magnet 2 to the poles N, by the of the second tile-type magnet 3
Two magnet arc walls 304 are set as the poles S, and such first tile-type magnet 2 and the second tile-type magnet 3 can be two magnetic that magnetic pole interlocks
Iron contributes to the time-varying magnetic field provided with the stator effect and generates torsion.And this embodiment has with above-described embodiment
The element of identical label, structure design and action principle having the same are repeated no more in this for the sake of clarity.
Compared to known techniques, since the card slot on the rotor body of rotor structure is communicated in outside rotor body,
When tile-type magnet is packed into card slot, the magnet arc wall of tile-type magnet can be exposed to rotor body, and thereby magnet arc wall is produced
Raw magnetic force will not be blocked by rotor body and can be directly exposed to the time-varying magnetic field that the stator is provided, to promote rotor knot
Outputting torsion caused by structure.In addition, since the card slot on the rotor body of rotor structure is communicated in outside rotor body,
When assembling, tile-type magnet can be directly set to the card slot of rotor body along the axial direction for the axis for being parallel to rotor body
Interior, manufacture and assembly program are simpler, are conducive to the progress of production and assembly.The foregoing is merely the preferable implementations of the present invention
Example, all equivalent changes and modifications done according to scope of the present invention patent should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of rotor structure, which is characterized in that the rotor structure includes：
Rotor body is formed with the first card slot being communicated in outside the rotor body thereon, which has the first card slot
Bottom wall and the first card slot skew wall, the first card slot bottom wall are connected to the first card slot skew wall, and the first card slot bottom wall out of plumb
In the first card slot skew wall；And
First tile-type magnet is installed in first card slot, which has the corresponding first card slot bottom wall
First magnet skew wall of the first magnet bottom wall and the corresponding first card slot skew wall, the first magnet bottom wall are not orthogonal to first magnetic
Iron skew wall, and the angle between the first magnet bottom wall and the first magnet skew wall is equal to the first card slot bottom wall and first card slot
Angle between skew wall；
Wherein, it is also formed with the second card slot on the rotor body, which is disposed adjacent with first card slot, second card
There is slot the second card slot bottom wall and the second card slot skew wall, the angle between the second card slot skew wall and the second card slot bottom wall to be not equal to
Angle between the first card slot skew wall and the first card slot bottom wall, the second tile-type magnet are installed on second card slot, this first watt
Type magnet is two different structures with the second tile-type magnet, and the magnetism of the first tile-type magnet and the second tile-type magnet is anti-
Mutually it is arranged.
2. rotor structure as described in claim 1, which is characterized in that first card slot separately has the first card slot straight wall, this
One card slot straight wall is connected to the first card slot bottom wall and opposite with the first card slot skew wall, perpendicular to this in the first card slot straight wall
First card slot bottom wall, the first tile-type magnet separately have the first magnet straight wall of the corresponding first card slot straight wall, first magnet
Straight wall is perpendicular to the first magnet bottom wall.
3. rotor structure as described in claim 1, which is characterized in that between the first card slot bottom wall and the first card slot skew wall
Angle is acute angle.
4. rotor structure as described in claim 1, which is characterized in that first card slot separately has the first card slot side wall, this
One card slot side wall is connected to the first card slot bottom wall and opposite with the first card slot skew wall, which is not orthogonal to this
First card slot bottom wall, the first tile-type magnet separately have the first magnet side wall of the corresponding first card slot side wall, first magnet
Side wall is not orthogonal to the first magnet bottom wall, and the angle between the first magnet bottom wall and the first magnet side wall be equal to this first
Angle between card slot bottom wall and the first card slot side wall.
5. rotor structure as claimed in claim 4, which is characterized in that between the first card slot bottom wall and the first card slot skew wall
Angle is acute angle, and the angle between the first card slot bottom wall and the first card slot side wall is acute angle.
6. rotor structure as described in claim 1, which is characterized in that first card slot separately has the first card slot straight wall, this
One card slot straight wall is connected to the first card slot bottom wall and opposite with the first card slot skew wall, the first card slot straight wall perpendicular to this
One card slot bottom wall is separately formed with the second card slot on the rotor body, second card slot be communicated in outside the rotor body and with this
First card slot is adjacent, which has the second card slot bottom wall, the second card slot skew wall and the second card slot straight wall, second card slot
Bottom wall is connected to the second card slot skew wall and the second card slot straight wall, the second card slot straight wall perpendicular to the second card slot bottom wall,
The second card slot skew wall is adjacent with the first card slot skew wall, and the second card slot skew wall is not orthogonal to the second card slot bottom wall.
7. rotor structure as claimed in claim 6, which is characterized in that the rotor structure also includes：
Second tile-type magnet is installed in second card slot, which has the corresponding second card slot bottom wall
Second magnet of the second magnet bottom wall, the second magnet skew wall of the corresponding second card slot skew wall and the corresponding second card slot straight wall is straight
Wall, for the second magnet straight wall perpendicular to the second magnet bottom wall, which is not orthogonal to the second magnet skew wall, and
Angle between the second magnet bottom wall and the second magnet skew wall is equal between the second card slot bottom wall and the second card slot skew wall
Angle.
8. rotor structure as claimed in claim 7, which is characterized in that the first tile-type magnet separately have the first magnet straight wall and
First magnet arc wall, the first magnet straight wall correspond to the first card slot straight wall and perpendicular to the first magnet bottom wall, first magnetic
Iron arc wall connects the first magnet skew wall and the first magnet straight wall, the first magnet arc wall it is opposite with the first magnet bottom wall and
It is exposed to the rotor body, which separately there is the second magnet arc wall, the second magnet arc wall to connect second magnetic
Iron skew wall and the second magnet straight wall, the second magnet arc wall is opposite with the second magnet bottom wall and is exposed to the rotor body.
9. rotor structure as claimed in claim 6, which is characterized in that between the first card slot bottom wall and the first card slot skew wall
Angle is acute angle, and the angle between the second card slot bottom wall and the second card slot skew wall is obtuse angle.
10. rotor structure as described in claim 1, which is characterized in that the first tile-type magnet separately has the first magnet arc wall,
The first magnet arc wall is opposite with the first magnet bottom wall and is exposed to the rotor body.
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| CN201510374950.5A CN104993624B (en) | 2015-06-30 | 2015-06-30 | Rotor structure |
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|---|---|---|---|
| CN201510374950.5A CN104993624B (en) | 2015-06-30 | 2015-06-30 | Rotor structure |
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| CN104993624B true CN104993624B (en) | 2018-08-31 |
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| CN204012987U (en) * | 2014-06-26 | 2014-12-10 | 日立电梯电机（广州）有限公司 | A kind of internal rotor permanent-magnetic body fixed structure and permagnetic synchronous motor |
| CN104333158A (en) * | 2014-10-11 | 2015-02-04 | 镇江中船现代发电设备有限公司 | Permanent magnet motor rotor structure |
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