CN109888959A - A kind of outer-rotor structure of outer-rotor permanent magnet motor - Google Patents
A kind of outer-rotor structure of outer-rotor permanent magnet motor Download PDFInfo
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- CN109888959A CN109888959A CN201910205724.2A CN201910205724A CN109888959A CN 109888959 A CN109888959 A CN 109888959A CN 201910205724 A CN201910205724 A CN 201910205724A CN 109888959 A CN109888959 A CN 109888959A
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- Prior art keywords
- permanent magnet
- motor
- rotor
- motor shaft
- inner stator
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 24
- 239000004411 aluminium Substances 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The present invention relates to a kind of outer-rotor structures of outer-rotor permanent magnet motor, including aluminium shell, permanent magnet pole is equipped on the inside of the aluminium shell, the number of the permanent magnet pole is set as six, limit plate is connected between adjacent permanent magnet pole, the limit plate medium position offers through-hole, motor shaft installation set is equipped in the through-hole, motor shaft mounting hole is equipped with inside the motor shaft installation set, coding disk is equipped on the outside of the motor shaft installation set, inner stator is fixedly connected on the outside of the motor shaft installation set, coil windings are fixedly connected on the outside of the inner stator, inner stator magnetic pole, and the inner stator magnetic pole is arranged in the outer one end of coil windings, motor shaft installation set one end is connected with shaft base by bearing, the weight of magneto is effectively reduced by using the shell of aluminum structure, it can provide biggish Torque, permanent magnet pole fixation is stronger, improves the service life of motor.
Description
Technical field
The present invention relates to a kind of outer-rotor structures of outer-rotor permanent magnet motor, belong to motor field.
Background technique
Magneto generates the magnetic field of motor using permanent magnet, without magnet exciting coil without exciting current, high-efficient knot
Structure is simple, is good energy-saving electric machine, and with the development of the permanent magnet of high energy, magneto is widely used at present, nothing
Brush magneto is widely used in motor in electric automobile, motor-car traction motor, linear motor, and magneto (PMM) passes through
The interaction of permanent magnet on stator current and rotor or in rotor generates torque, and small low-consumption motor is used for information technoloy equipment,
Surface rotor magnet in business machine and automotive accessory be it is common, internal magnets (IPM) are in electric vehicle and industry
Very common in the large machiness such as motor, in magneto, if not considering torque pulsation, stator may use concentration (short
Pitch) winding, but in biggish magneto Distributed Winding be it is common, since magneto does not have mechanical commutator, institute
Most important for control winding electric current with inverter, different from other kinds of brushless motor, magneto does not need electric current
Support its magnetic field, therefore, if small in size or light-weight, magneto can provide maximum torque, and may be most
Good selection, no magnetizing current also implies that more efficient under " Best Point " load, the i.e. optimal place of motor performance, existing
The outer rotor of some magnetoes mostly uses greatly cast iron, increases the weight of motor, while permanent magnet pole generally uses strength
On the shell, stability is poor for glue sticking, is easy to fall off and breaks down, and reduces the service life of motor.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of outer rotor knot of outer-rotor permanent magnet motor
Structure effectively reduces the weight of magneto by using the shell of aluminum structure, can provide biggish torque, permanent magnet magnetic
It extremely fixes stronger, improves the service life of motor, can effectively solve the problems in background technique.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of outer-rotor structure of outer-rotor permanent magnet motor, including aluminium shell, the aluminium shell inside are equipped with permanent magnet magnetic
Pole, the number of the permanent magnet pole are set as six, and limit plate, the limit plate are connected between adjacent permanent magnet pole
Medium position offers through-hole, and motor shaft installation set is equipped in the through-hole, is equipped with motor shaft inside the motor shaft installation set
Mounting hole, the motor shaft installation set outside are equipped with coding disk, are fixedly connected with inner stator on the outside of the motor shaft installation set, institute
It states and is fixedly connected with coil windings, inner stator magnetic pole on the outside of inner stator, and inner stator magnetic pole setting is outer in coil windings
One end, motor shaft installation set one end are connected with shaft base by bearing, and electric motor end cap is equipped on the outside of the bearing, described
Electric motor end cap is bolted to connection aluminum shell, and groove is convexed to form on the outside of the aluminum shell, is fixed in the groove
It is connected with screw, the screw is fixedly connected with permanent magnet pole through aluminium shell, is fixedly connected in the motor shaft installation set
There is motor shaft.
Furthermore, the permanent magnet pole is made of strong permanent magnet material, and magnetic direction is radial, adjacent permanent magnet magnetic
Pole field is contrary, and three magnetic pole N are extremely inside, and three magnetic pole S are extremely inside.
Furthermore, the permanent magnet pole is pasted on aluminium shell inner periphery.
Furthermore, the inner stator is fixedly connected with inner stator magnetic pole by silicon steel sheet, and the winding coil is wrapped in
On inner stator magnetic pole.
Furthermore, the shaft base is equipped with fixed hole.
Furthermore, the electric motor end cap is made of aluminum material, and the electric motor end cap is equipped with tapped through hole.
The invention has the advantages that: a kind of outer-rotor structures of outer-rotor permanent magnet motor, by using aluminum shell and aluminium
The electric motor end cap that material is constituted can provide biggish torsion compared to the total quality that traditional cast iron effectively reduces magneto
Square carries out detent using limit plate, by screw by permanent magnet by the way that permanent magnet pole to be bonded on aluminum shell inner periphery
Magnetic pole is fixed on aluminum shell, and permanent magnet pole fixation is stronger, is reduced electrical fault, is improved making for magneto
Use the service life.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is a kind of outer-rotor structure structure chart of outer-rotor permanent magnet motor of the present invention.
Fig. 2 is a kind of outer-rotor structure internal structure of motor figure of outer-rotor permanent magnet motor of the present invention.
Fig. 3 is a kind of outer-rotor structure motor sectional structure chart of outer-rotor permanent magnet motor of the present invention.
Figure label: 1, aluminium shell；2, permanent magnet pole；3, limit plate；4, through-hole；5, motor shaft installation set；6, it compiles
Code-disc；7, motor shaft mounting hole；8, shaft base；9, inner stator；10, coil windings；11, inner stator magnetic pole；12, motor side
Lid；13, bearing；14, screw；15, motor shaft；16, groove.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1-3, a kind of outer-rotor structure of outer-rotor permanent magnet motor, including aluminium shell 1, the aluminium shell
1 inside is equipped with permanent magnet pole 2, and the number of the permanent magnet pole 2 is set as six, blocks between adjacent permanent magnet pole 2
It is connected to limit plate 3, by the way that permanent magnet pole 2 to be bonded on 1 inner periphery of aluminum shell, detent is carried out using limit plate 3, passes through
Permanent magnet pole 2 is fixed on aluminum shell 1 by screw 14, and the fixation of permanent magnet pole 1 is stronger, reduces electrical fault,
The service life of magneto is improved, 3 medium position of limit plate offers through-hole 4, is equipped with motor shaft in the through-hole 4
Installation set 5 is equipped with motor shaft mounting hole 7 inside the motor shaft installation set 5, is equipped with coding on the outside of the motor shaft installation set 5
Disk 6 is fixedly connected with inner stator 9, fixed company on the outside of the inner stator 9 for controlling motor on the outside of the motor shaft installation set 5
Coil windings 10, inner stator magnetic pole 11 are connected to, and the inner stator magnetic pole 11 is arranged in the outer one end of coil windings 10, the electricity
5 one end of arbor installation set is connected with shaft base 8 by bearing 13, is equipped with electric motor end cap 12, the electricity on the outside of the bearing 13
Generator terminal lid 12 is bolted to connection aluminum shell 1, and groove 16, the groove 16 are convexed to form on the outside of the aluminum shell 1
It is inside fixedly connected with screw 14, the screw 14 is fixedly connected with permanent magnet pole 2, the motor shaft installation through aluminium shell 1
Motor shaft 15 is fixedly connected in set 5.
More specifically, the permanent magnet pole 2 is made of strong permanent magnet material, and magnetic direction is radial, adjacent permanent magnet
For 2 magnetic direction of magnetic pole on the contrary, three magnetic pole N are extremely inside, three magnetic pole S are extremely inside, and the permanent magnet pole 2 is pasted onto outside aluminum
On 1 inner periphery of shell, the inner stator 9 is fixedly connected with inner stator magnetic pole 11 by silicon steel sheet, and the winding coil 10 is wrapped in interior
On magnetic pole of the stator 11, the shaft base 8 is equipped with fixed hole, and the electric motor end cap 12 is made of aluminum material, the electricity
Generator terminal lid 12 is equipped with tapped through hole.
The present invention is improved in a kind of outer-rotor structure of outer-rotor permanent magnet motor, by using aluminum shell 1 and aluminium
Texture at electric motor end cap 12 can provide biggish torsion compared to the total quality that traditional cast iron effectively reduces magneto
Square carries out detent using limit plate 3 by the way that permanent magnet pole 2 to be bonded on 1 inner periphery of aluminum shell, will by screw 14
Permanent magnet pole 2 is fixed on aluminum shell 1, and the fixation of permanent magnet pole 1 is stronger, is reduced electrical fault, is improved forever
The service life of magneto.
The above are the preferable embodiments of the present invention, and those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified, and therefore, the invention is not limited to above-mentioned specific embodiment, all those skilled in the art exist
Made any conspicuous improvement, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.
Claims (6)
1. a kind of outer-rotor structure of outer-rotor permanent magnet motor, including aluminium shell (1), it is characterised in that: the aluminium shell
(1) inside is equipped with permanent magnet pole (2), and the number of the permanent magnet pole (2) is set as six, adjacent permanent magnet pole
(2) it is connected between limit plate (3), limit plate (3) medium position offers through-hole (4), and electricity is equipped in the through-hole (4)
Arbor installation set (5), the motor shaft installation set (5) is internal to be equipped with motor shaft mounting hole (7), the motor shaft installation set (5)
Outside is equipped with coding disk (6), is fixedly connected with inner stator (9) on the outside of the motor shaft installation set (5), the inner stator (9) is outside
Side is fixedly connected with coil windings (10), inner stator magnetic pole (11), and the inner stator magnetic pole (11) is arranged in coil windings
(10) outer one end, described motor shaft installation set (5) one end are connected with shaft base (8), the bearing by bearing (13)
(13) outside is equipped with electric motor end cap (12), and the electric motor end cap (12) is bolted to connection aluminum shell (1), the aluminum
It convexes to form groove (16), is fixedly connected with screw (14) in the groove (16), the screw (14) is run through on the outside of shell (1)
Aluminium shell (1) is fixedly connected permanent magnet pole (2), is fixedly connected with motor shaft (15) in the motor shaft installation set (5).
2. a kind of outer-rotor structure of outer-rotor permanent magnet motor according to claim 1, it is characterised in that: the permanent magnet
Magnetic pole (2) is made of strong permanent magnet material, and magnetic direction is radial direction, and adjacent permanent magnet poles (2) magnetic direction is on the contrary, three magnetic poles
N is extremely inside, and three magnetic pole S are extremely inside.
3. a kind of outer-rotor structure of outer-rotor permanent magnet motor according to claim 1, it is characterised in that: the permanent magnet
Magnetic pole (2) is pasted on aluminium shell (1) inner periphery.
4. a kind of outer-rotor structure of outer-rotor permanent magnet motor according to claim 1, it is characterised in that: the inner stator
(9) it is fixedly connected inner stator magnetic pole (11) by silicon steel sheet, the winding coil (10) is wrapped on inner stator magnetic pole (11).
5. a kind of outer-rotor structure of outer-rotor permanent magnet motor according to claim 1, it is characterised in that: the turning engine
Seat (8) is equipped with fixed hole.
6. a kind of outer-rotor structure of outer-rotor permanent magnet motor according to claim 1, it is characterised in that: the motor side
Lid (12) is made of aluminum material, and the electric motor end cap (12) is equipped with tapped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205724.2A CN109888959B (en) | 2019-03-19 | 2019-03-19 | Outer rotor structure of outer rotor permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205724.2A CN109888959B (en) | 2019-03-19 | 2019-03-19 | Outer rotor structure of outer rotor permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109888959A true CN109888959A (en) | 2019-06-14 |
| CN109888959B CN109888959B (en) | 2024-05-28 |
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ID=66932959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910205724.2A Active CN109888959B (en) | 2019-03-19 | 2019-03-19 | Outer rotor structure of outer rotor permanent magnet motor |
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| Country | Link |
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| CN (1) | CN109888959B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865355A (en) * | 2021-01-29 | 2021-05-28 | 卜中山 | Brushless direct-excited motor and assembling method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1251023A1 (en) * | 2001-04-17 | 2002-10-23 | Moteurs Leroy-Somer | Electrical machine with external rotor |
| WO2009129708A1 (en) * | 2008-04-21 | 2009-10-29 | 许晓华 | Direct driving combined type permanent magnet motor |
| CN101951103A (en) * | 2010-09-26 | 2011-01-19 | 杭州励磁自动化技术有限公司 | Great-torque miniature DC permanent-magnet synchronous servo motor |
| CN202651914U (en) * | 2012-07-10 | 2013-01-02 | 淄博凯星电机有限公司 | Permanent magnet brushless DC motor specially used for electric vehicle |
| CN104702006A (en) * | 2015-04-07 | 2015-06-10 | 南车株洲电力机车研究所有限公司 | Outer rotor device and motor with same |
| CN204615532U (en) * | 2015-04-30 | 2015-09-02 | 中山大洋电机股份有限公司 | A kind of outer-rotor structure of motor and the external rotor electric machine of application thereof |
| CN105871144A (en) * | 2016-05-24 | 2016-08-17 | 海安县申菱电器制造有限公司 | Permanent-magnet synchronous motor |
| CN207098904U (en) * | 2017-08-21 | 2018-03-13 | 滁州万际航空器产业研究院有限公司 | A kind of high-magnetic-density outer-rotor permanent magnet motor for unmanned plane |
| CN209805542U (en) * | 2019-03-19 | 2019-12-17 | 苏州欧比特机械有限公司 | Outer rotor structure of outer rotor permanent magnet motor |
-
2019
- 2019-03-19 CN CN201910205724.2A patent/CN109888959B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1251023A1 (en) * | 2001-04-17 | 2002-10-23 | Moteurs Leroy-Somer | Electrical machine with external rotor |
| WO2009129708A1 (en) * | 2008-04-21 | 2009-10-29 | 许晓华 | Direct driving combined type permanent magnet motor |
| CN101951103A (en) * | 2010-09-26 | 2011-01-19 | 杭州励磁自动化技术有限公司 | Great-torque miniature DC permanent-magnet synchronous servo motor |
| CN202651914U (en) * | 2012-07-10 | 2013-01-02 | 淄博凯星电机有限公司 | Permanent magnet brushless DC motor specially used for electric vehicle |
| CN104702006A (en) * | 2015-04-07 | 2015-06-10 | 南车株洲电力机车研究所有限公司 | Outer rotor device and motor with same |
| CN204615532U (en) * | 2015-04-30 | 2015-09-02 | 中山大洋电机股份有限公司 | A kind of outer-rotor structure of motor and the external rotor electric machine of application thereof |
| CN105871144A (en) * | 2016-05-24 | 2016-08-17 | 海安县申菱电器制造有限公司 | Permanent-magnet synchronous motor |
| CN207098904U (en) * | 2017-08-21 | 2018-03-13 | 滁州万际航空器产业研究院有限公司 | A kind of high-magnetic-density outer-rotor permanent magnet motor for unmanned plane |
| CN209805542U (en) * | 2019-03-19 | 2019-12-17 | 苏州欧比特机械有限公司 | Outer rotor structure of outer rotor permanent magnet motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865355A (en) * | 2021-01-29 | 2021-05-28 | 卜中山 | Brushless direct-excited motor and assembling method thereof |
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| Publication number | Publication date |
|---|---|
| CN109888959B (en) | 2024-05-28 |
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