CN107809145A - Journal axle mixes magnetic flux type permanent magnetism vernier motor - Google Patents
Journal axle mixes magnetic flux type permanent magnetism vernier motor Download PDFInfo
- Publication number
- CN107809145A CN107809145A CN201711030442.0A CN201711030442A CN107809145A CN 107809145 A CN107809145 A CN 107809145A CN 201711030442 A CN201711030442 A CN 201711030442A CN 107809145 A CN107809145 A CN 107809145A
- Authority
- CN
- China
- Prior art keywords
- stator
- magnetic flux
- permanent magnetism
- journal axle
- flux type
- 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
- H02K1/2786—Outer 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
- H02K1/16—Stator cores with slots for windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of journal axle to mix magnetic flux type permanent magnetism vernier motor, including rotor, and overall annular in shape, section is L-shaped, and annular inboard has been evenly arranged the alternate permanent magnet of multiple N, S；Stator, formed by Aluminum Alloy Cover and in the stator core of annular, be provided with multiple grooves on iron core, each groove is used to accommodating winding, and the jut between each groove forms stator tooth.The stator directly uses magnetic material, is bolted on stator terminal and covers, and stator end cap is connected with pedestal.The rotor uses magnetic material one-shot forming.Silicon steel sheet need not be used, reduce cost, be bolted on stator terminal and cover, stator end cap is connected with pedestal.
Description
Technical field
The present invention relates to a kind of permanent-magnet synchronous vernier motor, mixes magnetic flux mode especially with outer rotor journal axle, is applicable
In the occasion of low-speed big, belong to magneto field.
Background technology
With the development of science and technology the scientific and technological product such as electric automobile, robot, ectoskeleton has obtained extensive research and reality
Using.All these products must realize controlled motion under drive system effect, and these drive systems be required to possess it is low
The characteristics of fast big torque.Traditional type of drive is realized by the way of motor acceleration and deceleration device more, but which is complicated, body
Product is big, weight is big, capacity usage ratio is low, cost is higher.
Permanent magnetism vernier motor is a kind of novel permanent-magnet motor for being based on " magnetic gear effect ", because with low-speed big, work(
The characteristics of rate density is high, simple in construction, beneficial to direct drive, particularly suitable for installing space, structure complexity, energy profit
The occasion being had higher requirements with efficiency, such as：.Compared to magnetic gear compound machine, the structure and manufacturing process of permanent magnetism vernier motor
Relatively easy, individual layer gap structure makes its be entirely capable of analysis, design and manufacture method with Conventional permanent magnet motor, and compared to
Conventional permanent magnet motor, its torque density greatly improves, and torque pulsation is smaller.
Although permanent magnetism vernier motor has above advantage, there is also leakage field is serious, power factor is relatively low, overload capacity for it
The shortcomings of weak, patent CN103066719A proposes a kind of magneticfocusing stator permanent magnetic type vernier motor, by stator tooth increment
Empty tooth and empty groove are set, cost is reduced so as to reduce permanent magnet dosage, and leakage field is reduced using the mutual cooperation between permanent magnet, is carried
High air gap flux density, for solve in existing stator permanent magnetic type vernier motor leakage field is serious, in air gap the close smaller, stator of magnetic around
The problem of back-emf is smaller in group, permanent magnet dosage is excessive, though the structure complexity it is higher, so that the relative leakage field of permanent magnet
Rate is improved, but overall magnetic flux has declined, and motor output torque lifting is limited.
The content of the invention
The invention aims to solve existing permanent magnetism vernier motor leakage field, seriously, in air gap magnetic flux density is smaller, turns round
Square is less than normal, copper loss is big, weight is big, being partially improved form structure, complicated, external stator inner rotor core is unfavorable for electric automobile, machine
The problem of applications such as people's field work, ectoskeleton joint drive and a kind of journal axle mixing magnetic flux type permanent magnetism vernier electricity proposed
Machine.
The technical proposal of the invention is realized in this way：
A kind of journal axle mixes magnetic flux type permanent magnetism vernier motor, including：Outer rotor and inner stator, the outer rotor is annular in shape,
Section is L-shaped, and axis direction fixes a rotating shaft, and the inner stator is formed by stator end cap and in the stator core of annular.
Outer rotor main body uses magnetic material one-shot forming, and being evenly arranged multiple N, S on the inside of rotor annular is alternately arranged
Rectangular permanent magnet, rotating shaft external part uses D-shape configuration.
The stator end cap profile is in round pie, and center is provided with through hole, and for stretching out motor shaft, end cap uses aluminium alloy material
Material, stator end cap are fixed on support.
It is provided with multiple grooves on the stator core, each groove is used to accommodating winding, the jut shape between each groove
Into stator tooth, iron core uses magnetic material, and 6 screwed holes are also evenly equipped with the side of iron core axial direction, and iron core is bolted on
Stator terminal covers.
Radial permanent magnet body and axial permanent magnetic body of the extremely spaced apart permanent magnet of permanent magnet N, S along same radial direction
Polarity is identical.
The beneficial effects of the present invention are the journal axle of present invention mixing flux electric machine to be applied to low speed occasion, relative to tradition
Motor acceleration and deceleration device structure type, simple in construction, small volume, moment of torsion are big, in light weight, copper loss is small, it is easy to process, assembling,
Cost is relatively low.
Brief description of the drawings
Fig. 1 is journal axle mixing magnetic flux type permanent magnetism vernier motor schematic diagram of the present invention；
Fig. 2 is rotor front view；
Fig. 3 is rotor rearview；
Fig. 4 is stator schematic diagram；
Fig. 5 is stator end cap front view.
The implication of label is as follows in accompanying drawing：1st, rotor；2nd, stator；3rd, stator end cap；4th, permanent magnet；5th, rotating shaft；6th, stator
Winding；7th, stator core；8th, screwed hole, 9, counter sink.
Embodiment
To make the purpose of the present invention, technical scheme and effect become apparent from understanding, below in conjunction with the accompanying drawings and specific embodiment
The present invention is described in further detail, and following examples are only for explaining the present invention, do not form the limit to the present invention
It is fixed.
The journal axle mixing magnetic flux type permanent magnetism vernier motor of the present invention includes：Rotor, overall annular in shape, section is L-shaped, ring
The alternate permanent magnet of multiple N, S has been evenly arranged on the inside of shape；Stator, by Aluminum Alloy Cover and the stator core structure in annular
Into being provided with multiple grooves on iron core, each groove is used to accommodating winding, and the jut between each groove forms stator tooth.It is described
Stator directly uses magnetic material, is bolted on stator terminal and covers, and stator end cap is connected with pedestal.The rotor uses
Magnetic material one-shot forming.
As shown in figure 1, the journal axle mixing magnetic flux type permanent magnetism vernier motor of the present embodiment includes rotor 1, stator 2 and stator terminal
Lid 3.The main body section of rotor 1 is L-shaped, by cast iron one-shot forming.The uniform permanent magnet 4 in its inner side, as shown in Fig. 2 the permanent magnetism
Body 4 is N, S pole arranged for interval, and identical with axial permanent magnetic body polarity along the radial permanent magnet body of same radial direction.The axis of rotor 1
A rotating shaft 5 is fixed in direction, and the external part of rotating shaft 5 uses " D " shape structure in order to be coupled (as shown in Figure 3) with other devices.Stator 2
It is made up of stator winding 6 and stator core 7, main is in annular shape, as shown in Figure 4.Multiple grooves are evenly equipped with stator core 7,
For placing stator winding 6.In addition, stator core 7 uses magnetic material, it is also uniform on axial side (outside in Fig. 4)
There are 6 screwed holes 8.As shown in figure 5, stator end cap 3 is in the form of annular discs, there is a circular hole at middle part, can pass through bearing and rotor shaft 5
It is coupled.Radially uniform 6 counter sinks 9 thereon, it is threadedly coupled for being made up of bolt with the screwed hole 8 on stator core 7,
Stator 2 and stator end cap 3 are fixed.Stator end cap 3 is processed using aluminum alloy materials, and is connected with support.
The vernier motor of the present embodiment uses outer-rotor structure, is more easy to realize that motor drives compared to traditional inner rotor core
The flattening and miniaturization of dynamic part, condition is provided for electric-machine directly-driven.And the journal axle mixing magnetic flux type structure that the present invention uses
Relative to traditional axially or radially flux structure, reduce permanent magnet leakage field, alleviate motor weight, reduce copper loss, increase
Big magnetic flux density so that vernier motor has bigger moment of torsion at low speeds, is more suitable for electric automobile, robot, outside
The application scenario that bone etc. has higher requirements to rotating speed and moment of torsion volume ratio.In addition, the journal axle mixing magnetic flux type that the present invention uses
Magnetic flux density of the structure due to increasing motor from principle, this also cause the stator winding of motor be no longer limited to it is discoid or
Cylindrical shape, form is freer, is also easier to realize customization as needed, reaches the perfect match with mechanism.
The rotor of journal axle mixing magnetic flux type permanent magnetism vernier motor and stator are without as conventional motors in the embodiment of the present invention
Silicon steel sheet is used like that, but uses magnetic material one-shot forming, reduces material and processing cost, and there is good economic effect
Benefit.
Claims (5)
1. a kind of journal axle mixes magnetic flux type permanent magnetism vernier motor, including：Outer rotor and inner stator, it is characterised in that described outer turn
Sub annular in shape, section is L-shaped, and axis direction fixes a rotating shaft, and the inner stator is by stator end cap and the stator iron in annular
Core is formed.
2. journal axle according to claim 1 mixes magnetic flux type permanent magnetism vernier motor, it is characterised in that outer rotor main body uses
Magnetic material one-shot forming, rotor annular inner side are evenly arranged the rectangular permanent magnet that multiple N, S are alternately arranged, rotating shaft external part
Using D-shape configuration.
3. magnetic flux type permanent magnetism vernier motor is mixed according to the journal axle described in claim 1, it is characterised in that the stator end cap
Profile is in round pie, and center is provided with through hole, and for stretching out motor shaft, end cap uses aluminum alloy materials, and stator end cap is fixed on machine
On seat.
4. magnetic flux type permanent magnetism vernier motor is mixed according to the journal axle described in claim 1, it is characterised in that the stator core
On be provided with multiple grooves, each groove is used to accommodating winding, and the jut between each groove forms stator tooth, and iron core uses magnetic
Material, 6 screwed holes is also evenly equipped with the side of iron core axial direction, iron core is bolted on stator terminal and covered.
5. magnetic flux type permanent magnetism vernier motor is mixed according to the journal axle described in claim 2, it is characterised in that the permanent magnet N,
Radial permanent magnet body of the extremely spaced apart permanent magnets of S along same radial direction is identical with axial permanent magnetic body polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711030442.0A CN107809145A (en) | 2017-10-27 | 2017-10-27 | Journal axle mixes magnetic flux type permanent magnetism vernier motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711030442.0A CN107809145A (en) | 2017-10-27 | 2017-10-27 | Journal axle mixes magnetic flux type permanent magnetism vernier motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107809145A true CN107809145A (en) | 2018-03-16 |
Family
ID=61591621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711030442.0A Pending CN107809145A (en) | 2017-10-27 | 2017-10-27 | Journal axle mixes magnetic flux type permanent magnetism vernier motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107809145A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462308A (en) * | 2018-03-22 | 2018-08-28 | 台州奕翔机电有限公司 | A kind of electric direct-drive plunger pump |
| CN109531549A (en) * | 2019-01-14 | 2019-03-29 | 尖叫智能科技（上海）有限公司 | Exoskeleton robot joint motor miniaturized design |
| CN111049345A (en) * | 2020-01-06 | 2020-04-21 | 浙江大学 | Axial magnetic flux vernier motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998047214A1 (en) * | 1997-04-11 | 1998-10-22 | Voith Turbo Gmbh & Co. Kg | Rotor for an electrical machine, specially a transversal flow machine |
| CN1753283A (en) * | 2005-09-20 | 2006-03-29 | 沈阳工业大学 | Integrated alternating current electric motor for mixed power automobile |
| CN1848607A (en) * | 2005-04-17 | 2006-10-18 | 谢庆生 | Multi-directional mixed permanent-magnetic energy-saving electric machine |
| CN101237169A (en) * | 2008-03-05 | 2008-08-06 | 韩玉金 | Driving motor and rate-varying device |
| CN104753291A (en) * | 2015-04-22 | 2015-07-01 | 哈尔滨工业大学 | Radio and axial hybrid magnetic circuit permanent-magnet synchronous-side rotor motor |
| CN106329794A (en) * | 2016-08-23 | 2017-01-11 | 深圳市正宇电动汽车技术有限公司 | Radial and transverse magnetic circuit combined hybrid magnetic circuit motor |
-
2017
- 2017-10-27 CN CN201711030442.0A patent/CN107809145A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998047214A1 (en) * | 1997-04-11 | 1998-10-22 | Voith Turbo Gmbh & Co. Kg | Rotor for an electrical machine, specially a transversal flow machine |
| CN1848607A (en) * | 2005-04-17 | 2006-10-18 | 谢庆生 | Multi-directional mixed permanent-magnetic energy-saving electric machine |
| CN1753283A (en) * | 2005-09-20 | 2006-03-29 | 沈阳工业大学 | Integrated alternating current electric motor for mixed power automobile |
| CN101237169A (en) * | 2008-03-05 | 2008-08-06 | 韩玉金 | Driving motor and rate-varying device |
| CN104753291A (en) * | 2015-04-22 | 2015-07-01 | 哈尔滨工业大学 | Radio and axial hybrid magnetic circuit permanent-magnet synchronous-side rotor motor |
| CN106329794A (en) * | 2016-08-23 | 2017-01-11 | 深圳市正宇电动汽车技术有限公司 | Radial and transverse magnetic circuit combined hybrid magnetic circuit motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462308A (en) * | 2018-03-22 | 2018-08-28 | 台州奕翔机电有限公司 | A kind of electric direct-drive plunger pump |
| CN109531549A (en) * | 2019-01-14 | 2019-03-29 | 尖叫智能科技（上海）有限公司 | Exoskeleton robot joint motor miniaturized design |
| CN111049345A (en) * | 2020-01-06 | 2020-04-21 | 浙江大学 | Axial magnetic flux vernier motor |
| CN111049345B (en) * | 2020-01-06 | 2022-03-11 | 浙江大学 | Axial magnetic flux vernier motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180316 |