CN206559150U - A kind of rare earth permanent magnet magnetic suspension motor - Google Patents
A kind of rare earth permanent magnet magnetic suspension motor Download PDFInfo
- Publication number
- CN206559150U CN206559150U CN201720074939.1U CN201720074939U CN206559150U CN 206559150 U CN206559150 U CN 206559150U CN 201720074939 U CN201720074939 U CN 201720074939U CN 206559150 U CN206559150 U CN 206559150U
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- Prior art keywords
- permanent magnet
- rotor
- stator
- motor
- rare earth
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 35
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 19
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 19
- 239000000725 suspension Substances 0.000 title claims abstract description 16
- 235000008429 bread Nutrition 0.000 claims abstract description 10
- 229920002521 macromolecule Polymers 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 230000005292 diamagnetic effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000002889 diamagnetic material Substances 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of rare earth permanent magnet magnetic suspension motor, stator and rotor are divided into 12 subdivisions along the radially uniform of them, and the structure of each subdivision is identical；In each subdivision, it is radially fixed on stator to have the strip stator permanent magnet for being inclined to 45 ° of right side, the magnetic pole of stator permanent magnet magnetizing direction is towards rotor, its excess-three bread covers in the stator, the strip rotor permanent magnet on radially 45 ° of deviation right side is fixed with rotor, the magnetic pole of rotor permanent magnet magnetizing direction covers in the rotor towards stator, its excess-three bread, and the stator permanent magnet pole polarity relative with rotor permanent magnet is identical；An iron-core-free driving coil is all fixed between adjacent two stator permanent magnet；The stator for coating stator permanent magnet, the rotor for coating rotor permanent magnet all use macromolecule diamagnetic material.The utility model uses rare earth permanent magnet Magnet design so that this motor friction is small, and efficiency of transmission is higher.
Description
Technical field
The utility model is related to electric motors, particularly a kind of rare earth permanent magnet magnetic suspension motor.
Background technology
Motor is a kind of rotary electric machine, and it converts electrical energy into mechanical energy, and it mainly includes one to produce
The electromagnet winding or the stator winding of distribution and a rotating armature or rotor of magnetisation.In the work of stator winding rotating excitation field
Under, it plays the role of electric current in armature squirrel-cage aluminium frame rotates it by and by magnetic field.
Some types can be used as motor in these machines, can also be used as generator.It is to convert electrical energy into mechanical energy
A kind of machine.The work done part of usual motor rotates, and this motor is referred to as rotor electromotor；Also have and make straight line
Move, referred to as linear motor.The power bracket that electronic function is provided is very big, from milliwatt to multikilowatt.Lathe, water pump,
Belt feeder, blower fan etc. need motor to drive；Electric locomotive, elevator are, it is necessary to electronic machine travel.Electric fan, ice in family life
Case, washing machine, or even various motor toys all be unable to do without motor.Motor has been applied in each in modern society's life
Individual aspect.
Dc motor generally refers to brush direct current motor, benefit be it is fairly simple in terms of rate controlling, need only control voltage
Size can control corotation speed, but such motor should not be operated under the environment such as high temperature, inflammable, and due to being needed in motor
Part (brush motor) that will be using carbon brush as power pack (Commutator), so needing periodic cleaning carbon brush to rub
Produced dirt.Meanwhile, also have DC brushless motor, be one kind of synchronous motor, relative to there is a brush, brushless motor because
Lack carbon brush and therefore also compared quiet compared with power saving with the friction of axle, but price is higher, in addition it is also necessary to additionally add brushless controller.
Ac motor can then be operated under the environment such as high temperature, inflammable, and without clearing up carbon brush, but compare in rate controlling
It is more difficult, because the method for control ac motor rotating speed has two kinds：A kind of is the frequency using Frequency Converter Control alternating current, separately
One kind is to use induction conductivity, and with the mode of increase internal drag, motor speed is reduced under the frequency of identical alternating current,
Its voltage is controlled only to influence the torsion of motor.The voltage of general home motor has two kinds of 110V and 220V etc., in industry
Using kenels such as also 380V or 440V.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of rare earth permanent magnet magnetic suspension motor, using rare earth neodymium iron
Boron permanent magnetic iron is designed so that this motor friction is small, and efficiency of transmission is higher.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of rare earth permanent magnet magnetic suspension motor, including stator, rotor, iron-core-free driving coil, stator permanent magnet and rotor
Permanent magnet；
Stator and rotor are divided into 12 subdivisions along the radially uniform of them, and the structure of each subdivision is identical；
The strip stator permanent magnet on 45 ° of deviation right side is fixed with each subdivision, stator on the right side, the stator permanent magnet magnetizes
The magnetic pole in direction covers in the stator towards rotor, its excess-three bread；
The strip rotor permanent magnet on 45 ° of deviation right side, the magnetic of the rotor permanent magnet magnetizing direction are fixed with rotor
Covered in the rotor towards stator, its excess-three bread pole；
The stator permanent magnet pole polarity relative with rotor permanent magnet is identical；Between adjacent two stator permanent magnet all
An iron-core-free driving coil is fixed with, for driving rotor；Coat stator, turn of cladding rotor permanent magnet of stator permanent magnet
Son all uses macromolecule diamagnetic material.
Further, the rotor permanent magnet and stator permanent magnet all use ndfeb magnet.
Compared with prior art, the beneficial effects of the utility model are：Stator and rotor are using 45 ° of same polarities of inclination
Magnet, ndfeb magnet is current performance preferably permanent magnet, the weight of 600 times of own wt can be picked up, when same polarity is repelled each other
Repulsive force be comparable to twice of suction, the principle repelled each other according to same polarity, stator permanent magnet drive rotor permanent magnet, hence it is evident that
Increase torque；Its frictional force is small, and rotor is easier to rotate, and when iron-core-free driving coil sends the driving force of pulse, motor is opened
Move and rotate.
Brief description of the drawings
Fig. 1 is a kind of rare earth permanent magnet magnetic suspension motor cross-sectional view (rotary state) of the utility model.
Fig. 2 is a kind of rare earth permanent magnet magnetic suspension motor cross-sectional view (stable state) of the utility model.
Fig. 3 is a kind of axial two ends combined bearing exploded view of rare earth permanent magnet magnetic suspension motor of the utility model.
Fig. 4 is a kind of rare earth permanent magnet magnetic suspension motor diagrammatic cross-section of the utility model.
In figure：1- stators；2- rotors；3- iron-core-free driving coils；4- stator permanent magnets；5- rotor permanent magnets；6- left ends
Lid；7- first supports external magnet；Permanent magnet in 8- the first rotors；9- right end caps；10- the second rotor internal magnets；11- second is supported
External magnet；12- power transmission shafts；13- is radially fan-shaped to support external magnet；14- axial rotor internal magnets.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description, as shown in Figure 1, Figure 2, Fig. 3 and
Shown in Fig. 4.
Embodiment 1：
A kind of rare earth permanent magnet magnetic suspension motor that the utility model is provided, its structure is：Including stator 1, rotor 2, iron-free
Core driving coil 3, stator permanent magnet 4, rotor permanent magnet 5；Stator 1 and rotor 2 are divided into 12 along the radially uniform of them
Subdivision, the structure of each subdivision is identical；It is 45 ° to be fixed with the angle of radial direction on the right side in each subdivision, stator 1
Strip stator permanent magnet 4, the magnetic pole of the magnetizing direction of the stator permanent magnet 4 is towards rotor 2, and its excess-three bread overlays on stator
In 1, the angle that radial direction is fixed with rotor 2 is 45 ° of strip rotor permanent magnet 5, the magnetizing direction of the rotor permanent magnet 5
Magnetic pole towards stator 1, its excess-three bread is overlayed in rotor 2, the stator permanent magnet 4 magnetic pole relative with rotor permanent magnet 5
Polarity is identical；An iron-core-free driving coil 3 is all fixed between adjacent two stator permanent magnet 4, for driving rotor 2；Bag
The stator 1 for covering stator permanent magnet 4, the rotor 2 for coating rotor permanent magnet 5 all use the diamagnetic hard material of macromolecule.
When the electromagnetic field polarity that iron-core-free driving coil 3 is produced is identical with the polarity of rotor permanent magnet 5, iron-core-free drives line
When enclosing the tilting permanent magnet of 3 drive rotor 2 and proceeding to first block of magnet of stator 1, the magnet same polarity of stator 1 and rotor 2 is repelled each other,
So as to which the magnet of rotor 2 is promoted second iron-core-free driving coil 3；Now, second iron-core-free driving coil 3 produces electromagnetism again
Field polarity is identical with the permanent magnet polarity of rotor 2, then the tilting permanent magnet of drive rotor 2 advances, and drive rotor 2 revolves again and again
Turn.The utility model motor is again sensitiveer, more rapidly drive effect, and its toggle speed is fast.
Using above-mentioned electric machine structure, stator 1 and rotor 2 are repelled each other using the magnet for tilting 45 ° of same polarities according to same polarity
Principle, stator permanent magnet drive rotor permanent magnet, hence it is evident that increase torque；Its frictional force is small, and rotor 2 is easier to rotate, and works as iron-free
When core driving coil 3 sends the driving force of pulse, electric motor starting is simultaneously rotated.
Embodiment 2：
A kind of rare earth permanent magnet magnetic suspension motor that the utility model is provided, its structure is：Including stator 1, rotor 2, iron-free
Core driving coil 3, stator permanent magnet 4, rotor permanent magnet 5；Stator 1 and rotor 2 are divided into 12 along the radially uniform of them
Subdivision, the structure of each subdivision is identical；It is 45 ° to be fixed with the angle of radial direction on the right side in each subdivision, stator 1
Strip stator permanent magnet 4, the magnetic pole of the magnetizing direction of the stator permanent magnet 4 is towards rotor 2, and its excess-three bread overlays on stator
In 1, the angle that radial direction is fixed with rotor 2 is 45 ° of strip rotor permanent magnet 5, the magnetizing direction of the rotor permanent magnet 5
Magnetic pole towards stator 1, its excess-three bread is overlayed in rotor 2, the stator permanent magnet 4 magnetic pole relative with rotor permanent magnet 5
Polarity is identical；An iron-core-free driving coil 3 is all fixed between adjacent two stator permanent magnet 4, for driving rotor 2；Bag
The stator 1 for covering stator permanent magnet 4, the rotor 2 for coating rotor permanent magnet 5 all use the diamagnetic hard material of macromolecule；The rotor
Permanent magnet 5 and stator permanent magnet 4 all use rare-earth Nd-Fe-B magnet.Ndfeb magnet is current performance preferably permanent magnet, energy
The weight of 600 times of own wt is picked up, repulsive force when same polarity is repelled each other is comparable to twice of suction.Using rare-earth Nd-Fe-B
Magnet not only make it that the driving effect of the utility model motor is good, and power density is big, and motor volume is small, and advantageously reduces electricity
The manufacturing cost of machine.
The utility model is fixed to magnet in the diamagnetic hard material of macromolecule, prevents other edges of magnet from leakage field.It is fixed
Permanent magnet in son 1 and rotor 2 is all 12, when setting, and can be that N extremely relative or S are extremely relative, each pair magnet
Group is 45 ° relative to the angle of the radial direction of rotor 2.Rotor 2 is in suspended state, in order to strengthen the suspended state of rotor 2, can be set
Also it is suspended state at the both sides support of rotor.Axial permanent magnetic iron is arranged on two ends of rotor and recessed rotor a, rotor 2 are axially left
Hold as N magnetic poles, right-hand member is S magnetic poles；B, stator 1 are assembled into a circle by 4 block permanent magnets and are installed on end cap.Bearing is in axial direction
Load-bearing effect from during suspension overburden, uses hybrid magnetic suspension bearing.
As shown in Figure 3, Figure 4, rare-earth Nd-Fe-B magnet is fixed at the utility model motor stator 1 and the axial two ends of rotor 2, fixed
4 blocks of fan-shaped permanent magnets are fixed on the inside of the axial two ends end cap of son 1,4 pieces of fan-shaped permanent magnet groups are into a circle, and permanent magnetism magnetic pole iron is：4
Block sector permanent magnet coplanar flat is that N poles, left and right are S poles (or S poles, left and right are N poles up and down) and its assembling part magnetic up and down
Field intensity is zero, and the axial two ends permanent magnet polarity of rotor 2 is：When one end axial pole is N poles, other end axial pole is S poles.
The central shaft of rotor 2 uses diamagnetic hard shaft material, and it passes through the axial two ends permanent magnet center of motor and axial two ends bearing with end cover
Be connected progress mechanical output output.
Claims (2)
1. a kind of rare earth permanent magnet magnetic suspension motor, it is characterised in that including stator (1), rotor (2), iron-core-free driving coil
(3), stator permanent magnet (4) and rotor permanent magnet (5)；
Stator (1) and rotor (2) are divided into 12 subdivisions along the radially uniform of them, and the structure of each subdivision is identical；
The angle for being fixed with radial direction on the right side in each subdivision, stator (1) is 45 ° of strip stator permanent magnet (4), described fixed
The magnetic pole of the magnetizing direction of sub- permanent magnet (4) is overlayed in stator (1) towards rotor (2), its excess-three bread；
The angle that radial direction is fixed with rotor (2) is 45 ° of strip rotor permanent magnet (5), and rotor permanent magnet (5) are filled
The magnetic pole of magnetic direction is overlayed in rotor (2) towards stator (1), its excess-three bread；
The stator permanent magnet (4) pole polarity relative with rotor permanent magnet (5) is identical；In adjacent two stator permanent magnet (4)
Between be all fixed with an iron-core-free driving coil (3), for driving rotor (2)；The stator (1) of cladding stator permanent magnet (4),
The rotor (2) for coating rotor permanent magnet (5) all uses the diamagnetic hard material of macromolecule.
2. a kind of rare earth permanent magnet magnetic suspension motor as claimed in claim 1, it is characterised in that the rotor permanent magnet (5) and
Stator permanent magnet (4) all uses ndfeb magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074939.1U CN206559150U (en) | 2017-01-19 | 2017-01-19 | A kind of rare earth permanent magnet magnetic suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074939.1U CN206559150U (en) | 2017-01-19 | 2017-01-19 | A kind of rare earth permanent magnet magnetic suspension motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206559150U true CN206559150U (en) | 2017-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720074939.1U Expired - Fee Related CN206559150U (en) | 2017-01-19 | 2017-01-19 | A kind of rare earth permanent magnet magnetic suspension motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206559150U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602760A (en) * | 2017-01-19 | 2017-04-26 | 杨济阁 | Rare-earth permanent-magnet magnetic levitation motor |
| CN110185639A (en) * | 2019-05-20 | 2019-08-30 | 宁波生久散热科技有限公司 | Novel magnetically levitated radiator fan |
| CN112910127A (en) * | 2020-12-28 | 2021-06-04 | 光华临港工程应用技术研发(上海)有限公司 | Magnetic suspension type hub motor |
-
2017
- 2017-01-19 CN CN201720074939.1U patent/CN206559150U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602760A (en) * | 2017-01-19 | 2017-04-26 | 杨济阁 | Rare-earth permanent-magnet magnetic levitation motor |
| CN106602760B (en) * | 2017-01-19 | 2023-07-07 | 杨济阁 | Rare earth permanent magnet magnetic suspension motor |
| CN110185639A (en) * | 2019-05-20 | 2019-08-30 | 宁波生久散热科技有限公司 | Novel magnetically levitated radiator fan |
| CN112910127A (en) * | 2020-12-28 | 2021-06-04 | 光华临港工程应用技术研发(上海)有限公司 | Magnetic suspension type hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190723 Address after: 610000 No. 555 Jindong Road, Jinjiang District, Chengdu City, Sichuan Province, with No. 15, 1st Floor Patentee after: Zhongyongfa Co., Ltd. Address before: 636473 No. 14, Group 2, Dangxian Village, Juma Town, Bazhong City, Sichuan Province Patentee before: Yang Jige |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Jige Document name: Business Review letter |
|
| DD01 | Delivery of document by public notice | ||
| CU01 | Correction of utility model |
Correction item: Patentee|Address Correct: Yang Jige|636473 No. 14, group 2, Dangxian village, Sima Town, Bazhong City, Sichuan Province False: Zhongyongfa Co.,Ltd.|610000 floor 1, No. 555-15, Jindong Road, Jinjiang District, Chengdu, Sichuan Number: 32-02 Volume: 35 |
|
| CU01 | Correction of utility model |