CN206379778U - It is a kind of that there is the stator and motor for optimizing magnetic circuit - Google Patents
It is a kind of that there is the stator and motor for optimizing magnetic circuit Download PDFInfo
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- CN206379778U CN206379778U CN201621378744.8U CN201621378744U CN206379778U CN 206379778 U CN206379778 U CN 206379778U CN 201621378744 U CN201621378744 U CN 201621378744U CN 206379778 U CN206379778 U CN 206379778U
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Abstract
The utility model provides a kind of stator and motor for having and optimizing magnetic circuit, the stator has multiple winding modules and multiple conducting magnet core modules, winding module and conducting magnet core modular spacing are arranged side by side to form the stator, the air-gap field phase angular spread of the pole shoe covering of each winding module is 180 °, and the air-gap field phase angular spread of each conducting magnet core module covering is 60 °.The utility model improves back-emf and power, realizes the maximization of power of motor.
Description
Technical field
The utility model is related to a kind of motor, and in particular to a kind of to have the stator and motor for optimizing magnetic circuit.
Background technology
Power of motor maximizes the target for being always design of electrical motor and production field pursuit, when magneto is between rotor
Air gap in Distribution of Magnetic Field be not in standard sine distribution when, on fundamental wave also have a large amount of higher harmonic components.Non-sine magnetic
Field causes to produce moment of torsion shake in rotor is rotated, i.e., can produce slot effect.Existing solution, one be by permanent magnet or
Person's stator pole shoes rotate an angle around magnetic direction so that when rotor is rotated, stator pole shoes energy in non-sinusoidal magnetic field
Enough smooth transitions；Two are made in stator, each winding in each phase, the cycle alternating magnetic field received during rotation
Phase gap, the influence of slot effect is offset in this way.But both settling modes can all cut down motor
Moment of torsion, reduces the power of motor.
When Distribution of Magnetic Field is distributed in standard sine in current air gap of the magneto between rotor, current Motor torque
I.e. power of motor is still unable to reach maximization.
Utility model content
According to above-mentioned problems of the prior art, the utility model provide a kind of stator with optimization magnetic circuit and
Motor, the magnetic field phase angle of the pole shoe covering of each stator winding module is 180 °, so that all winding modules of whole disk are produced
Conjunction moment of torsion it is maximum, i.e., power is maximum.
In order to realize above-mentioned utility model purpose, the utility model is realized using following technical scheme.
A kind of to have the stator for optimizing magnetic circuit, the stator has multiple winding modules and multiple conducting magnet core modules, around
Group module and conducting magnet core modular spacing are arranged side by side to form the stator, the first pole shoe covering that each winding module includes
Air-gap field phase angular spread is 180 °, and the air-gap field phase angular spread of each conducting magnet core module covering is 60 °.
Further, each winding module also includes the first iron core and winding, and the winding is arranged on the first iron core
Outer surface, first pole shoe is arranged on the axial end face or axial both ends of the surface of first iron core.
Further, each conducting magnet core module is a monoblock iron core.
Further, each conducting magnet core module includes iron core column and magnetic conductive pole piece, and the magnetic conductive pole piece is arranged on
The axial end face of the iron core column or axial both ends of the surface, the air-gap field phase angular spread of the magnetic conductive pole piece is 60 °.
Further, the magnetic conductive pole piece is identical with the sectional area of the iron core column, the magnetic conductive pole piece and the iron core
The air-gap field phase angular spread of post is all 60 °.
Further, the sectional area of the iron core column is less than the sectional area of magnetic conductive pole piece, so that in the iron core column and phase
The space of accommodating winding is formed between adjacent winding module；The air-gap field phase angular spread of the magnetic conductive pole piece is 60 °, the iron
The air-gap field phase angular spread of stem is less than 60 °.
Further, the overall dimensions of iron core column are less than the size of the first iron core, and the overall dimensions of magnetic conductive pole piece are less than the
The size of one pole shoe.
A kind of motor, including rotor and the stator as described in preceding any one, rotor magnetic pole are located at the winding module and led
The axial end of magnet core module.
Further, the motor is inner rotor motor or external rotor electric machine.
Further, the motor is motor in axial magnetic field, radial magnetic field motor or linear electric motors.
The beneficial effects of the utility model are as follows：
1. the air-gap field phase angular spread of the pole shoe covering of each winding module of motor stator is in the utility model
180 °, while the utility model originally proposes to set an air-gap field phase angular spread to be 60 ° between adjacent winding module
Conducting magnet core module carry out cover magnetic conduction, improve the moment of torsion and power of motor.
2. the utility model can produce sinusoidal air-gap field, to keep away using the good permanent magnetism arrangement of sine degree
Exempt to produce slot effect, and it is each with phase module Phase synchronization, it is optimized to 180 °, motor with reference to the covering phase angle of each pole shoe
Torque/power is optimal a little.
3. the utility model can also use non-sine distributed magnetic field, although there is slot effect, but because this practicality is new
The air-gap field phase angular spread of the pole shoe covering of each winding module of type is 180 °, can still improve Motor torque.
4. iron core column, which can be tightened to, in the utility model can just meet the sectional area of conducting air-gap field, relief is tightened up
The locus of position out can take for the winding of adjacent winding module, compared to not allowing for the scheme of bit space, motor
Globality can improve 10%-12% again.
Brief description of the drawings
Fig. 1 is the first embodiment schematic diagram of the utility model Stator and electrical machine；
Fig. 2 is the second embodiment schematic diagram of the utility model Stator and electrical machine；
Fig. 3 is the 3rd embodiment schematic diagram of the utility model Stator and electrical machine.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.But those skilled in the art know, the utility model is not limited to
Accompanying drawing and following examples.
First embodiment：
Fig. 1 is the first embodiment schematic diagram of the utility model Stator and electrical machine.Motor includes stator and rotor magnetic pole 11,
Rotor magnetic pole 11 is set close to an axial end of stator, and Fig. 1 gives rotor magnetic pole 11 close to the upper axial end face of stator
The example of setting.It should be noted that the axial direction of certain object, statement radially, circumferentially herein represent respectively be relative to
Object axial direction itself, radially, circumferentially, if not limiting the object, be axially, radially, circumferentially relative to
Axial direction for stator, radially, circumferentially.
Stator, which has, sets one between multiple winding modules 12 and multiple conducting magnet core modules 13, adjacent winding module 12
The conducting magnet core module 13, winding module 12 and conducting magnet core module 13 interval be arranged side by side to form the stator, each around
The air-gap field phase angular spread of the pole shoe covering of group module 12 is 180 °, the air-gap field phase that each conducting magnet core module 13 is covered
Angular spread is 60 °.
Each winding module 12 includes the first iron core 14, upper pole shoe 15 and winding 16.The symmetrical fixation of upper pole shoe 15 is set
Put in the upper axial end face of the first iron core 14；The upper sectional area of pole shoe 15 is more than the sectional area of the first iron core 14, so that in the first iron core
14 outer surface forms the space of winding winding 16.The wire of winding 16 winds around the outer surface of the first iron core 14, with
Wind more wires as far as possible under the limitation of upper pole shoe 15, and winding 16 do not stretch out shown in the edge of pole shoe 15, Fig. 1 around
Group 16 is wound with the wire of six layer of three circle.It should be noted that first, second description employed in this paper, merely to
Statement is convenient, has no physical meaning；The term in orientation is wherein represented, such as up and down, is simply known according to respective drawings
Relative position, when accompanying drawing changes, represents the term of same relative position it can also happen that corresponding change.Here section
Area refers to the area intercepted from the direction perpendicular to paper.Certainly, upper pole shoe 15 can also be not provided with.
Each conducting magnet core module 13 includes iron core column 17 and upper magnetic conductive pole piece 18, is fixedly installed on the axial direction of iron core column 17
Upper surface.Upper magnetic conductive pole piece 18 is identical with the sectional area of iron core column 17, the air-gap field phase angle of upper magnetic conductive pole piece 18 and iron core column 17
Span is all 60 °.The overall dimensions of iron core column 17 are less than the size of the first iron core 14, and the overall dimensions of upper magnetic conductive pole piece 18 are less than
The size of upper pole shoe 15.
In alternative embodiments, conducting magnet core module is it can also be provided that a monoblock iron core, is not provided with magnetic conductive pole piece.
In the present embodiment, motor uses the configuration of one side magnetic pole, and stator has yoke 19, as shown in Figure 1.
When the corresponding magnetic phase span of a winding closer to 180 ° (i.e. cover whole a magnetic pole N poles or S poles model
Enclose), under same magnetic field area, identical winding thickness, same wire sectional area (hereinafter referred to as " under the same terms ")
The back-emf induced is bigger.Therefore, the air-gap field phase angular spread that the present embodiment employs the covering of winding module is 180 °,
For the air-gap field phase angular spread less than 180 °, the back-emf under the same terms is maximised, correspondingly, work(is improved
Rate.Conducting magnet core module can not only play a part of magnetic conduction, can also effectively reduce the air reluctance between the rotor magnetic pole of both sides,
Strengthen air-gap field, improve power of motor；The effect of ABC three-phase windings phase angle differences can be additionally adjusted, passes through conducting magnet core
The air-gap field phase angular spread that module 13 is covered is 60 ° and ensure that 60 ° of intervals between adjacent winding module, maximum anti-electric obtaining
While gesture, it is ensured that 240 ° of the phase angular separation (i.e. equivalent 120 °) between the three-phase windings of motor.
Second embodiment：
Fig. 2 is the second embodiment schematic diagram of the utility model Stator and electrical machine, second embodiment and first embodiment
Difference is that iron core column 27, which is inwardly retracted to, can just meet the sectional area of conducting air-gap field, so that 27 sections of iron core column
Area is less than magnetic conductive pole piece to 28 sectional areas, and now, magnetic conductive pole piece is 60 °, iron core column 27 to 28 air-gap field phase angular spread
Air-gap field phase angular spread be less than 60 °.
Because magnetic conductive pole piece is more than the sectional area of iron core column 27 to 28 sectional area, therefore conceded after the contraction of iron core column 27
Space can be supplied to adjacent winding module 22, so as to be shown on the iron core of winding module in many winding winding conducting wires, Fig. 2
Winding is wound with the wire of six layers of four circle.In addition, the space for allowing out can also wind winding, but preferred side for iron core column 27
Case is to make way for the winding winding of winding module 22.
Compared with the setting of first embodiment (magnetic conductive pole piece is equal to the sectional area of iron core column 17 to 18 sectional areas), magnetic conductive pole piece
Motor overall performance can be made to improve 10%-12% the setting that 28 sectional areas are more than the sectional area of iron core column 27.
In alternative embodiments, magnetic conductive pole piece can be single pole shoe to 28, be arranged on the upper axial end face of iron core column 27
Or lower axial end face.
With first embodiment identical part, the present embodiment is repeated no more.
3rd embodiment：
Fig. 3 is the 3rd embodiment schematic diagram of the utility model Stator and electrical machine, and 3rd embodiment and previous embodiment are not
It is with part, each winding module 12 includes the first pole shoe pair, the upper pole shoe and lower pole shoe that the first pole shoe includes to 15 are phase
The pole shoe of same specification, and setting symmetrical above and below；The symmetrical upper axial end face for being fixedly installed on the first iron core of upper pole shoe, lower pole
The symmetrical lower axial end face for being fixedly installed on the first iron core 14 of boots；Upper pole shoe and lower pole shoe sectional area are cut more than the first iron core
Area.The wire of winding winds around the outer surface of the first iron core, to wind more as far as possible under the limitation of the first pole shoe pair
Wire, and winding 16 does not stretch out the edge of the first pole shoe pair；Each conducting magnet core module also includes magnetic conductive pole piece pair, magnetic conduction
Pole shoe to including upper magnetic conductive pole piece and lower magnetic conductive pole piece be symmetrical arranged, and be respectively fixedly disposed at the upper axial end face of iron core column
With lower axial end face.Magnetic conductive pole piece pair is identical with iron core column sectional area, the air-gap field phase angle of magnetic conductive pole piece pair and iron core column across
Degree is all 60 °.The overall dimensions of iron core column are less than the size of the first iron core, and upper magnetic conductive pole piece and lower magnetic conductive pole piece are same size
Pole shoe, the overall dimensions of upper magnetic conductive pole piece are less than the size of upper pole shoe；And, the upper axial end face and lower axial end face of stator
Rotor magnetic pole 31,32 is set respectively, and correspondingly, motor may be configured as different types of motor, such as may be configured as inner rotor motor
Either external rotor electric machine or, may be configured as disc type electric machine or linear electric motors.
Fig. 3 shows that motor uses the configuration of Double side magnetic pole, and stator with no yoke can both make disc type electric machine, axial magnetic flux；
Common radial magnetic field motor can also be made, magnetic pole arranges that winding is clipped in the middle for inner and outer ring；It can be made into linear electric motors
(as shown in Figure 3).
More than, embodiment of the present utility model is illustrated.But, the utility model is not limited to above-mentioned implementation
Mode.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements done etc. should be included in
Within protection domain of the present utility model.
Claims (10)
1. a kind of have the stator for optimizing magnetic circuit, it is characterised in that the stator has multiple winding modules and multiple magnetic conduction iron
Core module, winding module and conducting magnet core modular spacing are arranged side by side to form the stator, each winding module include first
The air-gap field phase angular spread of pole shoe covering is 180 °, and the air-gap field phase angular spread of each conducting magnet core module covering is 60 °.
2. stator according to claim 1, it is characterised in that each winding module also include the first iron core and around
Group, the winding is arranged on the outer surface of the first iron core, and first pole shoe is arranged on the axial end face of first iron core
Or axial both ends of the surface.
3. stator according to claim 2, it is characterised in that each conducting magnet core module is a monoblock iron core.
4. stator according to claim 2, it is characterised in that each conducting magnet core module includes iron core column and magnetic conduction
Pole shoe, the magnetic conductive pole piece is arranged on the axial end face or axial both ends of the surface of the iron core column, the gas of the magnetic conductive pole piece
Gap magnetic field phase angular spread is 60 °.
5. stator according to claim 4, it is characterised in that the sectional area phase of the magnetic conductive pole piece and the iron core column
Together, the magnetic conductive pole piece and the air-gap field phase angular spread of the iron core column are all 60 °.
6. stator according to claim 4, it is characterised in that the sectional area of the iron core column is less than the section of magnetic conductive pole piece
Product, so as to form the space of accommodating winding between the iron core column and adjacent winding module；The air gap of the magnetic conductive pole piece
Magnetic field phase angular spread is 60 °, and the air-gap field phase angular spread of the iron core column is less than 60 °.
7. stator according to claim 4, it is characterised in that the overall dimensions of iron core column are less than the size of the first iron core,
The overall dimensions of magnetic conductive pole piece are less than the size of the first pole shoe.
8. a kind of motor, it is characterised in that the stator including rotor and as described in one of claim 1 to 7, rotor magnetic pole is located at
The axial end of the winding module and conducting magnet core module.
9. motor according to claim 8, it is characterised in that the motor is inner rotor motor or external rotor electric machine.
10. motor according to claim 8, it is characterised in that the motor is motor in axial magnetic field, radial magnetic field motor
Or linear electric motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378744.8U CN206379778U (en) | 2016-12-15 | 2016-12-15 | It is a kind of that there is the stator and motor for optimizing magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378744.8U CN206379778U (en) | 2016-12-15 | 2016-12-15 | It is a kind of that there is the stator and motor for optimizing magnetic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206379778U true CN206379778U (en) | 2017-08-04 |
Family
ID=59406247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378744.8U Active CN206379778U (en) | 2016-12-15 | 2016-12-15 | It is a kind of that there is the stator and motor for optimizing magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206379778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233556A (en) * | 2016-12-15 | 2018-06-29 | 姚常勤 | A kind of stator and motor with optimization magnetic circuit |
| CN110429725A (en) * | 2019-07-16 | 2019-11-08 | 无锡市亨达电机有限公司 | A kind of blocking motor |
| CN111684350A (en) * | 2019-06-26 | 2020-09-18 | 深圳市大疆创新科技有限公司 | Motor, shutter device, and imaging device |
-
2016
- 2016-12-15 CN CN201621378744.8U patent/CN206379778U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233556A (en) * | 2016-12-15 | 2018-06-29 | 姚常勤 | A kind of stator and motor with optimization magnetic circuit |
| CN111684350A (en) * | 2019-06-26 | 2020-09-18 | 深圳市大疆创新科技有限公司 | Motor, shutter device, and imaging device |
| CN111684350B (en) * | 2019-06-26 | 2022-05-17 | 深圳市大疆创新科技有限公司 | Motor, shutter device, and imaging device |
| CN110429725A (en) * | 2019-07-16 | 2019-11-08 | 无锡市亨达电机有限公司 | A kind of blocking motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A stator and motor with optimized magnetic circuit Effective date of registration: 20220819 Granted publication date: 20170804 Pledgee: Tongling state credit financing Company limited by guarantee Pledgor: Yao Changqin Registration number: Y2022980013076 |