CN106451971A - Permanent magnet motor with double-stator structure - Google Patents
Permanent magnet motor with double-stator structure Download PDFInfo
- Publication number
- CN106451971A CN106451971A CN201611072404.7A CN201611072404A CN106451971A CN 106451971 A CN106451971 A CN 106451971A CN 201611072404 A CN201611072404 A CN 201611072404A CN 106451971 A CN106451971 A CN 106451971A
- Authority
- CN
- China
- Prior art keywords
- stator
- inner stator
- support
- rotor
- double
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a permanent magnet motor with a double-stator structure. The permanent magnet motor with a double-stator structure comprises a motor base, an outer stator, a rotor, an inner stator, a rotating shaft, an inner stator support device and a shaft-extension end cover. The outer stator is installed on the motor base, one end of the motor base is provided with the shaft-extension end cover, the other end of the motor base is provided with the inner stator support device, the inner stator is installed on the inner stator support device, the rotor is arranged between the inner stator and the outer stator, the rotor is fixed on the rotating shaft, air gaps are preserved between the rotor and the inner stator and between the rotor and the outer stator respectively, an air inlet is formed in a position near the shaft-extension end cover on the motor base, and the inner stator support device is axially provided with an air outlet. Because of the arrangement of the stators inside and outside the rotor, power density of the motor is increased, the rotor is good in torque stationary performance, low in noise, high in overload capacity and low in rotational inertia, and control and adjustment performance of the motor are improved.
Description
Technical field
The present invention relates to machine field is and in particular to a kind of magneto of double-stator structure.
Background technology
With the expansion in motor application field, motor is put forward higher requirement, be mainly manifested in that power density is big, intelligence
The aspects such as energyization control, the little, fast response time of inertia, traditional motor is made up of rotor and stator, and stator is arranged on support,
Rotor is arranged on machine shaft, the output of motor to be improved, and is necessary for increasing stator and the rotor of motor, and thus carries
The temperature rise loss coming greatly increases, and controls difficulty to increase, Electromagnetic Design difficulty etc. cannot meet the requirement to motor for the industry.
Content of the invention
It is an object of the invention to overcoming disadvantages described above, there is provided a kind of power density is big, control simple, good heat dissipation effect
Double-stator structure magneto.
The technical scheme is that：A kind of magneto of double-stator structure, it includes support, external stator, rotor, interior
Stator, rotating shaft, inner stator support meanss, axle stretch end end cap, described external stator is arranged on electric machine stand, and support one end is provided with axle
Stretch end end cap, the other end of support is provided with inner stator support meanss, and described inner stator is arranged in inner stator support meanss, including
Be provided with rotor between stator and external stator, described rotor is fixed in rotating shaft, rotating shaft pass through bearing respectively with axle stretch end end cap, interior
Stator supporting apparatus connect, and are respectively kept with air gap between described rotor and inner stator, external stator, form the between rotor and external stator
One air gap, forms interstice between rotor and inner stator, support is being provided with air inlet at axle stretch end end cap, and inner stator props up
Support arrangement is axially arranged with air outlet.
Described inner stator support meanss include inner stator and fix support tube, bearings cylinder, and the fixing support tube of inner stator exists
End face inner circle near axle stretch end is provided with reinforcing ring I, and the angle between reinforcing ring I and the fixing support tube of inner stator uniformly sets
There is reinforcement gusset, the fixing support tube of inner stator is provided with reinforcing ring II, the external diameter of described reinforcing ring II and overall diameter in the other end
Coupling, the internal diameter of described reinforcing ring II and the external diameter of bearings cylinder match, and bearings cylinder is fixed with reinforcing ring II inner circle
Connect, reinforcing ring II outer face is provided with ring gusset and radial direction gusset, reinforcing ring II props up in the fixing support tube of inner stator and bearing
It is axially arranged with air outlet between support cylinder.
In order to strengthen the connection between the fixing support tube of inner stator and bearings cylinder, it is provided with the right side of described bearings cylinder
Reinforcement support tube inner circle fixing with inner stator is connected.
The number of magnetic poles of described inner stator and external stator is equal, and inner stator circumferentially arranges one with the magnetic pole of external stator
Cause.
The value of described first air gap is 0.2cm～0.8cm, and the value of interstice is 2cm～5cm.
Preferably, the value of described first air gap is 0.5cm, and the value of interstice is 3.5cm.
In order to increase cooling effect, the middle part of described rotating shaft is provided with fan, is provided with cooling outside the air outlet of reinforcing ring II
Device, cooling air, after the air inlet of support enters, passes through inner stator, again from air-out in the presence of fan after external stator
Mouth entrance cooler, enters the air inlet of support after cooling.
In order to mitigate the weight of motor, described rotating shaft is hollow axle.
The method have the benefit that, due to being all provided with stator in internal rotor and outside, increased motor
Power density, stator coil due to be double-stator structure such that it is able to bear larger total current, and in identical output
Situation alleviate the quality of rotor so that rotor torque stationary performance is good, noise is low, overload capacity is high, rotary inertia is low,
Improve the control of motor and adjust performance, be provided with air-cooled passage, improve the heat dispersion of motor.
Brief description
The structural representation of Fig. 1 embodiment of the present invention；
Fig. 2 is the inner stator support device structure schematic diagram of figure；
Fig. 3 is the axonometric chart of the inner stator support device structure shown in Fig. 2.
Specific embodiment
Below with reference to the drawings and specific embodiments, the invention will be further described.
Referring to the drawings, a kind of magneto of double-stator structure, it include support 1, external stator 2, rotor 3, inner stator 4,
Rotating shaft 5, inner stator support meanss 6, axle stretch end end cap 7, described external stator 2 is arranged on electric machine stand 1, and support 1 one end is provided with
Axle stretch end end cap 7, the other end of support 1 is provided with inner stator support meanss 6, and described inner stator 4 is arranged on inner stator support meanss 6
On, be provided with rotor 3 between inner stator 4 and external stator 2, described rotor 3 is fixed in rotating shaft 5, rotating shaft 5 pass through bearing respectively with
Axle stretch end end cap 7, inner stator support meanss 6 connect, and described rotating shaft 5 is hollow axle, described rotor 3 and inner stator 4, external stator 2
Between be respectively kept with air gap, form the first air gap between rotor 3 and external stator 2, between rotor 3 and inner stator 4 formed interstice,
The value of described first air gap is 0.5cm, and the value of interstice is 3.5cm, and the number of magnetic poles of described inner stator 4 and external stator 2 is equal,
And inner stator 4 and the magnetic pole of external stator 2 circumferentially arrange consistent, support 1 being provided with air inlet 8 at axle stretch end end cap 7,
Inner stator support meanss 6 are axially arranged with air outlet 9.Described inner stator support meanss 6 include the fixing support tube 6-1 of inner stator and axle
Hold support tube 6-2, the fixing support tube 6-1 of inner stator is provided with reinforcing ring I 6-3 in the end face inner circle near axle stretch end, in reinforcing ring I
Angle between 6-3 and the fixing support tube 6-1 of inner stator is provided with reinforcement gusset 6-4, and the fixing support tube 6-1 of inner stator is another
End is provided with reinforcing ring II 6-5, and the external diameter of described reinforcing ring II 6-5 is mated with support 1 external diameter, the internal diameter of described reinforcing ring II 6-5
Match with the external diameter of bearings cylinder 6-2, bearings cylinder 6-2 is fixedly connected with reinforcing ring II 6-5 inner circle, reinforcing ring II 6-
5 outer faces are provided with ring gusset 6-6 and radial direction gusset 6-7, and reinforcing ring II 6-5 props up in the fixing support tube 6-1 of inner stator and bearing
It is axially arranged with air outlet 9, in order to strengthen the company between the fixing support tube 6-1 and bearings cylinder 6-2 of inner stator between support cylinder 6-2
Connect, be provided with reinforcement 6-8 support tube 6-1 inner circle fixing with inner stator on the right side of described bearings cylinder 6-2 and be connected.In order to increase
Cooling effect, the middle part of described rotating shaft 5 is provided with fan 10, is provided with cooler 11 outside the air outlet 9 of reinforcing ring II 6-5, cooling
Air after the air inlet 8 of support 1 enters, by passing through inner stator 4 again after external stator 2, from air-out in the presence of fan 10
Mouth 9 entrance coolers, enter the air inlet 8 of support 1 after cooling.
Claims (10)
1. a kind of magneto of double-stator structure it is characterised in that it include support, external stator, rotor, inner stator, rotating shaft,
Inner stator support meanss, axle stretch end end cap, described external stator is arranged on electric machine stand, and support one end is provided with axle stretch end end cap,
The other end of support is provided with inner stator support meanss, and described inner stator is arranged in inner stator support meanss, in inner stator with outward
It is provided with rotor, described rotor is fixed in rotating shaft, rotating shaft is passed through bearing and supported with axle stretch end end cap, inner stator respectively between stator
Device connects, and is respectively kept with air gap, forms the first air gap between rotor and external stator between described rotor and inner stator, external stator,
Form interstice, support is being provided with air inlet, inner stator support meanss at axle stretch end end cap between rotor and inner stator
It is axially arranged with air outlet.
2. as claimed in claim 1 a kind of magneto of double-stator structure it is characterised in that described inner stator support meanss
Fix support tube, bearings cylinder including inner stator, the fixing support tube of inner stator is provided with the end face inner circle near axle stretch end and adds
Strong ring I, the angle between reinforcing ring I and the fixing support tube of inner stator is uniformly provided with reinforcement gusset, and inner stator is fixing to be supported
Cylinder be provided with reinforcing ring II in the other end, the external diameter of described reinforcing ring II mates with overall diameter, the internal diameter of described reinforcing ring II and
The external diameter of bearings cylinder matches, and bearings cylinder is fixedly connected with reinforcing ring II inner circle, and reinforcing ring II outer face is provided with ring
To gusset and radial direction gusset, reinforcing ring II is axially arranged with air outlet between the fixing support tube of inner stator and bearings cylinder.
3. as claimed in claim 2 a kind of magneto of double-stator structure it is characterised in that fixing to strengthen inner stator
Connection between support tube and bearings cylinder, is provided with the right side of described bearings cylinder in reinforcement fixing support tube with inner stator
Circle connects.
4. a kind of double-stator structure as described in claim 1 or 2 or 3 magneto it is characterised in that described inner stator and
The number of magnetic poles of external stator is equal, and inner stator and the magnetic pole of external stator circumferentially arrange consistent.
5. a kind of magneto of the double-stator structure as described in claim 1 or 2 or 3 is it is characterised in that described first air gap
Value be 0.2cm～0.8cm, the value of interstice is 2cm～5cm.
6. as claimed in claim 4 a kind of magneto of double-stator structure it is characterised in that the value of described first air gap is
0.2cm～0.8cm, the value of interstice is 2cm～5cm.
7. a kind of magneto of the double-stator structure as described in claim 1 or 2 or 3 is it is characterised in that described first air gap
Value be 0.5cm, the value of interstice is 3.5cm.
8. a kind of magneto of the double-stator structure as described in claim 1 or 2 or 3 is it is characterised in that in described rotating shaft
Portion is provided with fan, is provided with cooler outside the air outlet of reinforcing ring II, cooling air after the air inlet of support enters, by outer
Pass through inner stator again after stator, in the presence of fan, enter cooler from air outlet, after cooling, enter the air inlet of support.
9. as claimed in claim 4 a kind of magneto of double-stator structure it is characterised in that the middle part of described rotating shaft is provided with
Fan, is provided with cooler outside the air outlet of reinforcing ring II, cooling air after the air inlet of support enters, after external stator
Pass through inner stator again, in the presence of fan, enter cooler from air outlet, after cooling, enter the air inlet of support.
10. a kind of magneto of the double-stator structure as described in claim 1 or 2 or 3 is it is characterised in that described rotating shaft is
Hollow axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072404.7A CN106451971B (en) | 2016-11-29 | 2016-11-29 | A kind of magneto of double-stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072404.7A CN106451971B (en) | 2016-11-29 | 2016-11-29 | A kind of magneto of double-stator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451971A true CN106451971A (en) | 2017-02-22 |
| CN106451971B CN106451971B (en) | 2019-04-09 |
Family
ID=58219115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611072404.7A Active CN106451971B (en) | 2016-11-29 | 2016-11-29 | A kind of magneto of double-stator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451971B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809893A (en) * | 2021-09-23 | 2021-12-17 | 河北新四达电机股份有限公司 | Double-stator permanent magnet synchronous motor |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050954A (en) * | 1989-10-07 | 1991-04-24 | 南京航空学院 | Rare-earth permanent-magnetic double-stator synchronous motor with cup type rotor |
| CN1074563A (en) * | 1992-01-13 | 1993-07-21 | 南京航空学院 | Rare-earth permanent-magnet variable-speed constant-voltage generator |
| US20010013732A1 (en) * | 1999-03-19 | 2001-08-16 | Chun-Pu Hsu | Anti-vibration electric motor having outer rotor stably supported at two ends |
| CN2582262Y (en) * | 2002-09-09 | 2003-10-22 | 李红军 | Double-surface and spiral-winding motor |
| KR20050106301A (en) * | 2004-05-04 | 2005-11-09 | 엘지전자 주식회사 | Motor cooling structure for reciprocating compressor |
| CN102035324A (en) * | 2011-01-06 | 2011-04-27 | 华小平 | Double-stator permanent magnet generator |
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN103647381A (en) * | 2013-12-24 | 2014-03-19 | 哈尔滨工业大学 | Iron coreless permanent magnet limited angle motor |
| CN104393728A (en) * | 2014-12-23 | 2015-03-04 | 南车株洲电机有限公司 | Double-stator motor |
| CN204517609U (en) * | 2015-03-30 | 2015-07-29 | 沈阳远大科技园有限公司 | Self-lubricating security enhanced high pressure threephase asynchronous machine |
| CN105471210A (en) * | 2015-12-25 | 2016-04-06 | 南方科技大学 | Permanent magnet motor |
| CN205490052U (en) * | 2016-01-13 | 2016-08-17 | 常州大米机电科技有限公司 | Forced air cooling liquid cooling combination formula eddy current retarder |
| CN106026577A (en) * | 2016-07-11 | 2016-10-12 | 十堰亚新汽车科技有限公司 | Double-magnetic-circuit motor |
-
2016
- 2016-11-29 CN CN201611072404.7A patent/CN106451971B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050954A (en) * | 1989-10-07 | 1991-04-24 | 南京航空学院 | Rare-earth permanent-magnetic double-stator synchronous motor with cup type rotor |
| CN1074563A (en) * | 1992-01-13 | 1993-07-21 | 南京航空学院 | Rare-earth permanent-magnet variable-speed constant-voltage generator |
| US20010013732A1 (en) * | 1999-03-19 | 2001-08-16 | Chun-Pu Hsu | Anti-vibration electric motor having outer rotor stably supported at two ends |
| CN2582262Y (en) * | 2002-09-09 | 2003-10-22 | 李红军 | Double-surface and spiral-winding motor |
| KR20050106301A (en) * | 2004-05-04 | 2005-11-09 | 엘지전자 주식회사 | Motor cooling structure for reciprocating compressor |
| CN102035324A (en) * | 2011-01-06 | 2011-04-27 | 华小平 | Double-stator permanent magnet generator |
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN103647381A (en) * | 2013-12-24 | 2014-03-19 | 哈尔滨工业大学 | Iron coreless permanent magnet limited angle motor |
| CN104393728A (en) * | 2014-12-23 | 2015-03-04 | 南车株洲电机有限公司 | Double-stator motor |
| CN204517609U (en) * | 2015-03-30 | 2015-07-29 | 沈阳远大科技园有限公司 | Self-lubricating security enhanced high pressure threephase asynchronous machine |
| CN105471210A (en) * | 2015-12-25 | 2016-04-06 | 南方科技大学 | Permanent magnet motor |
| CN205490052U (en) * | 2016-01-13 | 2016-08-17 | 常州大米机电科技有限公司 | Forced air cooling liquid cooling combination formula eddy current retarder |
| CN106026577A (en) * | 2016-07-11 | 2016-10-12 | 十堰亚新汽车科技有限公司 | Double-magnetic-circuit motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809893A (en) * | 2021-09-23 | 2021-12-17 | 河北新四达电机股份有限公司 | Double-stator permanent magnet synchronous motor |
| CN113809893B (en) * | 2021-09-23 | 2022-12-27 | 河北新四达电机股份有限公司 | Double-stator permanent magnet synchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451971B (en) | 2019-04-09 |
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