CN112953063A - Five-phase motor for servo system - Google Patents

Five-phase motor for servo system Download PDF

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Publication number
CN112953063A
CN112953063A CN202110320254.1A CN202110320254A CN112953063A CN 112953063 A CN112953063 A CN 112953063A CN 202110320254 A CN202110320254 A CN 202110320254A CN 112953063 A CN112953063 A CN 112953063A
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CN
China
Prior art keywords
phase winding
stator
motor
core
rotor
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
Application number
CN202110320254.1A
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Chinese (zh)
Inventor
孙天夫
龙凌辉
冯伟
梁嘉宁
李慧云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Institute of Advanced Technology of CAS
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Shenzhen Institute of Advanced Technology of CAS
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Application filed by Shenzhen Institute of Advanced Technology of CAS filed Critical Shenzhen Institute of Advanced Technology of CAS
Priority to CN202110320254.1A priority Critical patent/CN112953063A/en
Publication of CN112953063A publication Critical patent/CN112953063A/en
Priority to PCT/CN2021/137910 priority patent/WO2022199144A1/en
Pending legal-status Critical Current

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    • 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
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • 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
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention belongs to the technical field of servo motors, and particularly relates to a five-phase motor for a servo system, wherein the five-phase motor for the servo system comprises: a motor shaft; the rotor structure comprises a rotor core and twelve permanent magnets, wherein the rotor core is provided with twelve embedded holes which are arranged at equal intervals along the circumferential direction of the rotor core; the stator structure comprises a stator core and a stator winding, wherein the stator core is provided with ten stator teeth which are sequentially arranged along the circumferential direction of the stator core; another five-phase motor for a servo system includes: a motor shaft; the rotor structure comprises a rotor iron core and eight permanent magnets; the stator structure comprises a stator core and a stator winding, wherein the stator core is provided with ten stator teeth which are sequentially arranged along the circumferential direction of the stator core. The invention can improve the torque density and the power density and reduce the torque fluctuation.

Description

Five-phase motor for servo system
Technical Field
The invention belongs to the technical field of servo motors, and particularly relates to a five-phase motor for a servo system.
Background
The existing motor for the servo system has the problem of large torque fluctuation.
Disclosure of Invention
The present invention aims to overcome the disadvantages of the prior art and provides a five-phase motor for a servo system, which aims to solve the problem of large torque fluctuation.
The invention is realized by the following steps:
a five-phase motor for a servo system, comprising:
a motor shaft;
the rotor structure comprises a rotor core and twelve permanent magnets, the rotor core is cylindrical and is sleeved with the motor rotating shaft and fixedly connected with the rotor structure, the rotor core is provided with twelve embedded holes which are arranged at equal intervals along the circumferential direction of the rotor core, the opening direction of the embedded holes is parallel to the extending direction of the motor rotating shaft, each embedded hole is embedded with one permanent magnet, the rotor core is also provided with a magnetism isolating hole between any two adjacent embedded holes, and the opening direction of the magnetism isolating holes is parallel to the extending direction of the motor rotating shaft;
the stator structure comprises a stator core and a stator winding, the stator core is cylindrical and is sleeved with the rotor structure, and is matched with the rotor structure at intervals, the stator core is provided with ten stator teeth which are sequentially arranged along the circumferential direction of the stator core, the stator winding comprises a first A-phase winding, a first C-phase winding, a first E-phase winding, a first B-phase winding, a first D-phase winding, a second A-phase winding, a second C-phase winding, a second E-phase winding, a second B-phase winding and a second D-phase winding which are sequentially arranged along the circumferential direction of the stator core, the first a-phase winding, the first C-phase winding, the first E-phase winding, the first B-phase winding, the first D-phase winding, the second a-phase winding, the second C-phase winding, the second E-phase winding, the second B-phase winding, and the second D-phase winding are respectively wound on one of the stator teeth.
Optionally, the embedded hole is a strip-shaped hole, and the length direction is the radial direction of the motor rotating shaft;
and/or the magnetism isolating hole is a strip-shaped hole, and the length extension path of the magnetism isolating hole is an arc taking the axis of the motor rotating shaft as the center.
Optionally, the rotor core is formed by stacking a plurality of rotor sheets in the length extending direction of the motor rotating shaft.
Optionally, the rotor core is of a Spoke-type rotor structure.
Optionally, the stator core includes ten stator blocks sequentially arranged along a circumferential direction of the stator core, each stator block is formed with one stator tooth, and the stator teeth are formed by stacking a plurality of stator punching sheets in a length extending direction of the motor rotating shaft.
Firstly, based on the electronic structure of the invention, the invention is a five-phase motor, compared with a three-phase motor, the torque density and the power density can be improved, the torque fluctuation is reduced, secondly, the structure between the magnetism isolating hole and the embedded hole is a magnetism isolating bridge, the magnetic leakage of a permanent magnet can be effectively reduced, the magnetic field intensity of a main pole is increased, and the motor torque is increased, and finally, the topological structure of the invention is a fractional slot centralized winding structure with 10 slots and 8 poles, the invention can be better suitable for the working condition of low speed and large torque, and is convenient for automatic production and the sine property of an air gap flux linkage.
The present invention also provides a five-phase motor for a servo system, comprising:
a motor shaft;
the rotor structure comprises a rotor core and eight permanent magnets, the rotor core is cylindrical and is sleeved with the motor rotating shaft and fixedly connected with the rotor structure, the rotor core is provided with eight embedded holes which are arranged at equal intervals along the circumferential direction of the rotor core, the opening direction of the embedded holes is parallel to the extending direction of the motor rotating shaft, each embedded hole is embedded with one permanent magnet, the rotor core is also provided with a magnetism isolating hole between any two adjacent embedded holes, and the opening direction of the magnetism isolating holes is parallel to the extending direction of the motor rotating shaft;
the stator structure comprises a stator core and a stator winding, the stator core is cylindrical and is sleeved with the rotor structure, and is matched with the rotor structure at intervals, the stator core is provided with ten stator teeth which are sequentially arranged along the circumferential direction of the stator core, the stator winding comprises a first A-phase winding, a first C-phase winding, a first E-phase winding, a first B-phase winding, a first D-phase winding, a second A-phase winding, a second C-phase winding, a second E-phase winding, a second B-phase winding and a second D-phase winding which are sequentially arranged along the circumferential direction of the stator core, the first a-phase winding, the first C-phase winding, the first E-phase winding, the first B-phase winding, the first D-phase winding, the second a-phase winding, the second C-phase winding, the second E-phase winding, the second B-phase winding, and the second D-phase winding are respectively wound on one of the stator teeth.
Optionally, the embedded hole is a strip-shaped hole, and the length direction is the radial direction of the motor rotating shaft;
and/or the magnetism isolating hole is a strip-shaped hole, and the length extension path of the magnetism isolating hole is an arc taking the axis of the motor rotating shaft as the center.
Optionally, the rotor core is formed by stacking a plurality of rotor sheets in the length extending direction of the motor rotating shaft.
Optionally, the rotor core is of a Spoke-type rotor structure.
Optionally, the stator core includes ten stator blocks sequentially arranged along a circumferential direction of the stator core, each stator block is formed with one stator tooth, and the stator teeth are formed by stacking a plurality of stator punching sheets in a length extending direction of the motor rotating shaft.
Firstly, based on the electronic structure of the invention, the invention is a five-phase motor, compared with a three-phase motor, the torque density and the power density can be improved, the torque fluctuation is reduced, secondly, the structure between the magnetism isolating hole and the embedded hole is a magnetism isolating bridge, the magnetic leakage of a permanent magnet can be effectively reduced, the magnetic field intensity of a main pole is increased, and the motor torque is increased, and finally, the topological structure of the invention is a fractional slot centralized winding structure with 10 slots and 8 poles, the invention can be better suitable for the working condition of low speed and large torque, and is convenient for automatic production and the sine property of an air gap flux linkage.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of a five-phase motor for a servo system according to an embodiment of the present invention;
FIG. 2 is a structural diagram of a rotor structure according to an embodiment of the present invention;
fig. 3 is a structural diagram of a stator structure according to an embodiment of the present invention;
fig. 4 is a structural diagram of a five-phase motor for a servo system according to a second embodiment of the present invention;
fig. 5 is a structural diagram of a rotor structure according to a second embodiment of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Motor rotating shaft
200 Rotor structure
210 Rotor core 220 Permanent magnet
2101 Embedded hole 2102 Magnetism isolating hole
300 Stator structure
310 Stator core
311 Stator tooth
32001 First A phase winding 32002 Second A-phase winding
32003 First B-phase winding 32004 Second B-phase winding
32005 First C phase winding 32006 Second C phase winding
32007 First D-phase winding 32008 Second D-phase winding
32009 First E-phase winding 32010 Second E-phase winding
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
The embodiment of the invention provides a five-phase motor for a servo system.
Referring to fig. 1 to 3, the five-phase motor for a servo system includes a motor shaft 100, a rotor structure 200, and a stator structure 300.
The motor shaft 100 is used for connecting an external mechanical load.
Rotor structure 200 includes rotor core 210 and twelve permanent magnets 220, rotor core 210 is the cylinder, and cup joint motor shaft 100, and rotor structure 200 fixed connection, rotor core 210 sets up twelve interior embedded hole 2101 along the circumferencial direction of rotor core 210 equidistant interval arrangement, the direction of seting up of embedded hole 2101 is on a parallel with the extending direction of motor shaft 100, each embedded hole 2101 inlays a permanent magnet 220 respectively, rotor core 210 still sets up magnetic isolation hole 2102 between arbitrary two adjacent embedded hole 2101, the direction of seting up of magnetic isolation hole 2102 is on a parallel with the extending direction of motor shaft 100, wherein, the structure between magnetic isolation hole 2102 and embedded hole 2101 is magnetic isolation bridge, can effectively reduce the magnetic leakage of permanent magnet 220, increase the main pole magnetic field intensity, thereby increase motor torque.
The stator structure 300 includes a stator core 310 and a stator winding, the stator core 310 has a cylindrical shape, and is sleeved on the rotor structure 200 and is in spaced fit with the rotor structure 200, the stator core 310 has ten stator teeth 311 which are sequentially arranged along the circumferential direction of the stator core 310, the stator winding includes a first a-phase winding 32001, a first C-phase winding 32005, a first E-phase winding 32009, a first B-phase winding 32003, a first D-phase winding 32007, a second a-phase winding 32002, a second C-phase winding 32006, a second E-phase winding 32010, a second B-phase winding 32004 and a second D-phase winding 32008 which are sequentially arranged along the circumferential direction of the stator core 310, and the first a-phase winding 32001, the first C-phase winding 32005, the first E-phase winding 32009, the first B-phase winding 32003, the first D-phase winding 32007, the second a-phase winding 32002, the second C-phase winding 32006, the second E-phase winding 32010, the second B-phase winding 32004 and the second D-phase winding 320311 are respectively wound on one stator tooth. As shown in fig. 3, the dots and X on the conductive lines indicate the direction of current at a certain time (the dots indicate the direction of current flowing out of the paper, and X indicates the direction of current flowing into the paper) to indicate the relationship between the winding method of the motor stator and the winding direction of each winding.
Firstly, based on the electronic structure of the invention, the invention is a five-phase motor, compared with a three-phase motor, the torque density and the power density can be improved, and the torque fluctuation is reduced, secondly, the structure between the magnetism isolating hole 2102 and the embedded hole 2101 is a magnetism isolating bridge, the magnetic leakage of the permanent magnet 220 can be effectively reduced, and the magnetic field intensity of a main pole is increased, so that the motor torque is increased, and finally, the topological structure of the invention is a fractional slot centralized winding structure with 10 slots and 12 poles, and the invention can be suitable for the working condition of low speed and large torque, and is convenient for automatic production and the sine property of an air gap flux linkage.
Specifically, in the embodiment of the present invention, the embedded hole 2101 is a bar-shaped hole, and the length direction is the radial direction of the motor rotating shaft 100.
The magnetic shielding hole 2102 is a strip-shaped hole, and a length extending path thereof is an arc centered on the axis of the motor shaft 100.
In the embodiment of the present invention, the rotor core 210 is formed by stacking a plurality of rotor sheets in the length extending direction of the motor rotating shaft 100, the rotor core 210 is divided into a plurality of rotor sheets, and the plurality of rotor sheets are stacked to form the rotor core, which is beneficial to reducing the manufacturing difficulty of the rotor core 210 and reducing the manufacturing cost.
In the embodiment of the present invention, the rotor core 210 is a Spoke-type rotor structure 200.
As shown in fig. 1, in the embodiment of the present invention, the stator core 310 includes ten stator blocks sequentially arranged along a circumferential direction of the stator core 310, each stator block is formed with one stator tooth 311, and is formed by stacking a plurality of stator laminations in a length extending direction of the motor rotating shaft 100, the stator core 310 is divided into a plurality of stator laminations, and then the plurality of stator laminations are stacked to form the stator core 310, which is beneficial to reducing manufacturing difficulty of the stator core 310 and reducing production cost.
Example two
The embodiment of the invention provides a five-phase motor for a servo system.
Referring to fig. 4 and 5, the five-phase motor for a servo system includes a motor shaft 100, a rotor structure 200, and a stator structure 300.
The motor shaft 100 is used for connecting an external mechanical load.
Rotor structure 200 includes rotor core 210 and eight permanent magnets 220, rotor core 210 is the cylinder, and cup joint motor shaft 100, and rotor structure 200 fixed connection, rotor core 210 sets up eight embedded holes 2101 along the equidistant interval arrangement of rotor core 210's circumferencial direction, the direction of seting up of embedded hole 2101 is on a parallel with the extending direction of motor shaft 100, each embedded hole 2101 inlays a permanent magnet 220 respectively, rotor core 210 still sets up magnetic isolation hole 2102 between arbitrary two adjacent embedded holes 2101, the direction of seting up of magnetic isolation hole 2102 is on a parallel with the extending direction of motor shaft 100, wherein, the structure between magnetic isolation hole 2102 and embedded hole 2101 is magnetic isolation bridge promptly, can effectively reduce the magnetic leakage of permanent magnet 220, increase the main pole magnetic field intensity, thereby increase motor torque.
The stator structure 300 includes a stator core 310 and a stator winding, the stator core 310 has a cylindrical shape, and is sleeved on the rotor structure 200 and is in spaced fit with the rotor structure 200, the stator core 310 has ten stator teeth 311 which are sequentially arranged along the circumferential direction of the stator core 310, the stator winding includes a first a-phase winding 32001, a first C-phase winding 32005, a first E-phase winding 32009, a first B-phase winding 32003, a first D-phase winding 32007, a second a-phase winding 32002, a second C-phase winding 32006, a second E-phase winding 32010, a second B-phase winding 32004 and a second D-phase winding 32008 which are sequentially arranged along the circumferential direction of the stator core 310, and the first a-phase winding 32001, the first C-phase winding 32005, the first E-phase winding 32009, the first B-phase winding 32003, the first D-phase winding 32007, the second a-phase winding 32002, the second C-phase winding 32006, the second E-phase winding 32010, the second B-phase winding 32004 and the second D-phase winding 320311 are respectively wound on one stator tooth. As shown in fig. 3, the dots and X on the conductive lines indicate the direction of current at a certain time (the dots indicate the direction of current flowing out of the paper, and X indicates the direction of current flowing into the paper) to indicate the relationship between the winding method of the motor stator and the winding direction of each winding.
Firstly, based on the electronic structure of the invention, the invention is a five-phase motor, compared with a three-phase motor, the torque density and the power density can be improved, and the torque fluctuation is reduced, secondly, the structure between the magnetism isolating hole 2102 and the embedded hole 2101 is a magnetism isolating bridge, the magnetic leakage of the permanent magnet 220 can be effectively reduced, and the magnetic field intensity of a main pole is increased, so that the motor torque is increased, and finally, the topological structure of the invention is a fractional slot centralized winding structure with 10 slots and 8 poles, so that the invention can be better suitable for the working condition of low speed and large torque, and is convenient for automatic production and the sine property of an air gap flux linkage.
Specifically, in the embodiment of the present invention, the embedded hole 2101 is a bar-shaped hole, and the length direction is the radial direction of the motor rotating shaft 100.
The magnetic shielding hole 2102 is a strip-shaped hole, and a length extending path thereof is an arc centered on the axis of the motor shaft 100.
In the embodiment of the present invention, the rotor core 210 is formed by stacking a plurality of rotor sheets in the length extending direction of the motor rotating shaft 100, the rotor core 210 is divided into a plurality of rotor sheets, and the plurality of rotor sheets are stacked to form the rotor core, which is beneficial to reducing the manufacturing difficulty of the rotor core 210 and reducing the manufacturing cost.
As shown in fig. 1, in the embodiment of the present invention, the stator core 310 includes ten stator blocks sequentially arranged along a circumferential direction of the stator core 310, each stator block is formed with one stator tooth 311, and is formed by stacking a plurality of stator laminations in a length extending direction of the motor rotating shaft 100, the stator core 310 is divided into a plurality of stator laminations, and then the plurality of stator laminations are stacked to form the stator core 310, which is beneficial to reducing manufacturing difficulty of the stator core 310 and reducing production cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A five-phase motor for a servo system, comprising:
a motor shaft;
the rotor structure comprises a rotor core and twelve permanent magnets, the rotor core is cylindrical and is sleeved with the motor rotating shaft and fixedly connected with the rotor structure, the rotor core is provided with twelve embedded holes which are arranged at equal intervals along the circumferential direction of the rotor core, the opening direction of the embedded holes is parallel to the extending direction of the motor rotating shaft, each embedded hole is embedded with one permanent magnet, the rotor core is also provided with a magnetism isolating hole between any two adjacent embedded holes, and the opening direction of the magnetism isolating holes is parallel to the extending direction of the motor rotating shaft;
the stator structure comprises a stator core and a stator winding, the stator core is cylindrical and is sleeved with the rotor structure, and is matched with the rotor structure at intervals, the stator core is provided with ten stator teeth which are sequentially arranged along the circumferential direction of the stator core, the stator winding comprises a first A-phase winding, a first C-phase winding, a first E-phase winding, a first B-phase winding, a first D-phase winding, a second A-phase winding, a second C-phase winding, a second E-phase winding, a second B-phase winding and a second D-phase winding which are sequentially arranged along the circumferential direction of the stator core, the first a-phase winding, the first C-phase winding, the first E-phase winding, the first B-phase winding, the first D-phase winding, the second a-phase winding, the second C-phase winding, the second E-phase winding, the second B-phase winding, and the second D-phase winding are respectively wound on one of the stator teeth.
2. The five-phase motor for a servo system according to claim 1, wherein the inner insertion hole is a bar-shaped hole, and a length direction is a radial direction of the motor rotation shaft;
and/or the magnetism isolating hole is a strip-shaped hole, and the length extension path of the magnetism isolating hole is an arc taking the axis of the motor rotating shaft as the center.
3. The five-phase motor for a servo of claim 1, wherein the rotor core is formed by stacking a plurality of rotor sheets in a direction extending along a length of the motor shaft.
4. The five-phase motor for a servo of claim 1 wherein said rotor core is a Spoke-type rotor structure.
5. The five-phase motor for a servo of claim 1, wherein the stator core comprises ten stator blocks arranged in sequence along a circumferential direction of the stator core, each of the stator blocks is formed with one of the stator teeth, and is formed by stacking a plurality of stator punching sheets in a length extending direction of the motor shaft.
6. A five-phase motor for a servo system, comprising:
a motor shaft;
the rotor structure comprises a rotor core and eight permanent magnets, the rotor core is cylindrical and is sleeved with the motor rotating shaft and fixedly connected with the rotor structure, the rotor core is provided with eight embedded holes which are arranged at equal intervals along the circumferential direction of the rotor core, the opening direction of the embedded holes is parallel to the extending direction of the motor rotating shaft, each embedded hole is embedded with one permanent magnet, the rotor core is also provided with a magnetism isolating hole between any two adjacent embedded holes, and the opening direction of the magnetism isolating holes is parallel to the extending direction of the motor rotating shaft;
the stator structure comprises a stator core and a stator winding, the stator core is cylindrical and is sleeved with the rotor structure, and is matched with the rotor structure at intervals, the stator core is provided with ten stator teeth which are sequentially arranged along the circumferential direction of the stator core, the stator winding comprises a first A-phase winding, a first C-phase winding, a first E-phase winding, a first B-phase winding, a first D-phase winding, a second A-phase winding, a second C-phase winding, a second E-phase winding, a second B-phase winding and a second D-phase winding which are sequentially arranged along the circumferential direction of the stator core, the first a-phase winding, the first C-phase winding, the first E-phase winding, the first B-phase winding, the first D-phase winding, the second a-phase winding, the second C-phase winding, the second E-phase winding, the second B-phase winding, and the second D-phase winding are respectively wound on one of the stator teeth.
7. The five-phase motor for a servo system according to claim 6, wherein the inner insertion hole is a bar-shaped hole, and a length direction is a radial direction of the motor rotation shaft;
and/or the magnetism isolating hole is a strip-shaped hole, and the length extension path of the magnetism isolating hole is an arc taking the axis of the motor rotating shaft as the center.
8. The five-phase motor for a servo of claim 6, wherein the rotor core is formed by stacking a plurality of rotor sheets in a direction extending along a length of the motor shaft.
9. The five-phase motor for a servo of claim 6 wherein said rotor core is a Spoke-type rotor structure.
10. The five-phase motor for a servo according to claim 6, wherein the stator core includes ten stator blocks arranged in sequence in a circumferential direction of the stator core, each of the stator blocks is formed with one of the stator teeth, and is formed by stacking a plurality of stator laminations in a direction in which a length of the motor shaft extends.
CN202110320254.1A 2021-03-25 2021-03-25 Five-phase motor for servo system Pending CN112953063A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110320254.1A CN112953063A (en) 2021-03-25 2021-03-25 Five-phase motor for servo system
PCT/CN2021/137910 WO2022199144A1 (en) 2021-03-25 2021-12-14 Five-phase motors for servo systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110320254.1A CN112953063A (en) 2021-03-25 2021-03-25 Five-phase motor for servo system

Publications (1)

Publication Number Publication Date
CN112953063A true CN112953063A (en) 2021-06-11

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WO (1) WO2022199144A1 (en)

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CN208849559U (en) * 2018-07-24 2019-05-10 中国航空工业集团公司西安飞行自动控制研究所 A kind of centrifugation Alnico five-phase induction motor structure
CN109412300A (en) * 2018-12-20 2019-03-01 珠海格力节能环保制冷技术研究中心有限公司 Tangential motor, rotor and rotor core
CN214674595U (en) * 2021-03-25 2021-11-09 中国科学院深圳先进技术研究院 Five-phase motor for servo system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022199144A1 (en) * 2021-03-25 2022-09-29 中国科学院深圳先进技术研究院 Five-phase motors for servo systems

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