CN106451971B - A kind of magneto of double-stator structure - Google Patents
A kind of magneto of double-stator structure Download PDFInfo
- Publication number
- CN106451971B CN106451971B CN201611072404.7A CN201611072404A CN106451971B CN 106451971 B CN106451971 B CN 106451971B CN 201611072404 A CN201611072404 A CN 201611072404A CN 106451971 B CN106451971 B CN 106451971B
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- China
- Prior art keywords
- stator
- inner stator
- rotor
- reinforcing ring
- base
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a kind of magnetoes of double-stator structure, it includes base, external stator, rotor, inner stator, shaft, inner stator support device, axle stretch end end cap, the external stator is mounted on electric machine stand, base one end is equipped with axle stretch end end cap, the other end of base is equipped with inner stator support device, the inner stator is mounted in inner stator support device, rotor is equipped between inner stator and external stator, the rotor is fixed in shaft, the rotor and inner stator, air gap is respectively kept between external stator, base is being equipped with air inlet at axle stretch end end cap, inner stator support device is axially arranged with air outlet.Due to being all provided with stator in internal rotor and outside, the power density of motor is increased, keeps good rotor torque stationary performance, low noise, overload capacity height, rotary inertia low, improves the control and regulation performance of motor.
Description
Technical field
The present invention relates to motor fields, and in particular to a kind of magneto of double-stator structure.
Background technique
With the expansion in motor application field, to motor, more stringent requirements are proposed, is mainly manifested in that power density is big, intelligence
Energyization control, inertia is small, fast response time etc., and traditional motor is made of rotor and stator, and stator is mounted on base,
Rotor is mounted on machine shaft, the output power of Yao Tigao motor, must just increase the stator and rotor of motor, and thus band
The temperature rise loss come greatly increases, and control difficulty increases, and electromagnetic design difficulty etc. is unable to satisfy requirement of the industry to motor.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, provide that a kind of power density is big, control is simple, good heat dissipation effect
Double-stator structure magneto.
The technical scheme is that a kind of magneto of double-stator structure comprising base, external stator, rotor, interior
Stator, shaft, inner stator support device, axle stretch end end cap, the external stator are mounted on electric machine stand, and base one end is equipped with axis
End end cap is stretched, the other end of base is equipped with inner stator support device, and the inner stator is mounted in inner stator support device, inside
Rotor is equipped between stator and external stator, the rotor is fixed in shaft, shaft by bearing respectively with axle stretch end end cap, interior
Stator supporting apparatus connection, is respectively kept with air gap between the rotor and inner stator, external stator, the is formed between rotor and external stator
One air gap, forms interstice between rotor and inner stator, base is being equipped with air inlet, inner stator branch at axle stretch end end cap
Support arrangement is axially arranged with air outlet；The inner stator support device includes inner stator fixed support tube, bearing support cylinder, inner stator
Fixed support tube is equipped with reinforcing ring I in the end face inner circle close to axle stretch end, between reinforcing ring I and the fixed support tube of inner stator
Angle is uniformly provided with stiffener plate, and the fixed support tube of inner stator is equipped with reinforcing ring II in the other end, the reinforcing ring II it is outer
Diameter is matched with overall diameter, and the outer diameter of the internal diameter and bearing support cylinder of the reinforcing ring II matches, bearing support cylinder and reinforcement
II inner circle of ring is fixedly connected, and II outer end face of reinforcing ring is equipped with circumferential gusset and radial gusset, and reinforcing ring II is in the fixed branch of inner stator
Air outlet is axially arranged between support cylinder and bearing support cylinder.
In order to enhance the connection between the fixed support tube of inner stator and bearing support cylinder, it is equipped on the right side of the bearing support cylinder
Reinforcing rib is connect with the fixed support tube inner circle of inner stator.
The number of magnetic poles of the inner stator and external stator is equal, and the magnetic pole of inner stator and external stator circumferentially arranges one
It causes.
The value of first air gap is 0.2cm~0.8cm, and the value of interstice is 2cm~5cm.
Preferably, the value of first air gap is 0.5cm, and the value of interstice is 3.5cm.
In order to increase cooling effect, the middle part of the shaft is equipped with fan, is equipped with cooling on the outside of the air outlet of reinforcing ring II
Device, cooling air is after the entrance of the air inlet of base, by passing through inner stator after external stator again, from outlet air under the action of fan
Mouth enters cooler, and the air inlet of base is entered after cooling.
In order to mitigate the weight of motor, the shaft is hollow shaft.
The method have the benefit that increasing motor due to being all provided with stator in internal rotor and outside
Power density, stator coil is due to being double-stator structure so as to bear biggish total current, and in identical output power
The case where alleviate the quality of rotor, to make that good rotor torque stationary performance, low noise, overload capacity are high, rotary inertia is low,
The control and regulation performance of motor are improved, air-cooled channel is provided with, improves the heat dissipation performance of motor.
Detailed description of the invention
The structural schematic diagram of Fig. 1 embodiment of the present invention；
Fig. 2 is the inner stator support device structure diagram of Fig. 1；
Fig. 3 is the perspective view of 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 attached drawing, a kind of magneto of double-stator structure comprising base 1, external stator 2, rotor 3, inner stator 4,
Shaft 5, inner stator support device 6, axle stretch end end cap 7, the external stator 2 are mounted on electric machine stand 1, and 1 one end of base is equipped with
The other end of axle stretch end end cap 7, base 1 is equipped with inner stator support device 6, and the inner stator 4 is mounted on inner stator support device 6
On, rotor 3 is equipped between inner stator 4 and external stator 2, the rotor 3 is fixed in shaft 5, shaft 5 by bearing respectively with
Axle stretch end end cap 7, inner stator support device 6 connect, and the shaft 5 is hollow shaft, the 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, form interstice between rotor 3 and inner stator 4,
The value of first air gap is 0.5cm, and the value of interstice is 3.5cm, and the inner stator 4 is equal with the number of magnetic poles of external stator 2,
And the magnetic pole of inner stator 4 and external stator 2 circumferentially arranges unanimously, base 1 is being equipped with air inlet 8 at axle stretch end end cap 7,
Inner stator support device 6 is axially arranged with air outlet 9.The inner stator support device 6 includes the fixed support tube 6-1 of inner stator and axis
Support tube 6-2 is held, the fixed support tube 6-1 of inner stator is equipped with I 6-3 of reinforcing ring in the end face inner circle close to axle stretch end, in reinforcing ring I
Angle between 6-3 and the fixed support tube 6-1 of inner stator is equipped with stiffener plate 6-4, and the fixed support tube 6-1 of inner stator is another
End is equipped with II 6-5 of reinforcing ring, and the outer diameter of II 6-5 of reinforcing ring is matched with 1 outer diameter of base, the internal diameter of II 6-5 of reinforcing ring
Match with the outer diameter of bearing support cylinder 6-2, bearing support cylinder 6-2 is fixedly connected with II 6-5 inner circle of reinforcing ring, II 6- of reinforcing ring
5 outer end faces are equipped with circumferential direction gusset 6-6 and radial direction gusset 6-7, II 6-5 of reinforcing ring in the fixed support tube 6-1 of inner stator and bearing branch
Air outlet 9 is axially arranged between support cylinder 6-2, in order to enhance the company between the fixed support tube 6-1 and bearing support cylinder 6-2 of inner stator
It connects, reinforcing rib 6-8 is equipped on the right side of the bearing support cylinder 6-2 and is connect with the fixed support tube 6-1 inner circle of inner stator.It is cold in order to increase
But effect, the middle part of the shaft 5 are equipped with fan 10, and cooler 11 is equipped on the outside of the air outlet 9 of II 6-5 of reinforcing ring, cooling empty
Gas is after the entrance of the air inlet 8 of base 1, by passing through inner stator 4 after external stator 2 again, from air outlet 9 under the action of fan 10
Into cooler, the air inlet 8 of base 1 is entered after cooling.
Claims (7)
1. a kind of magneto of double-stator structure, which is characterized in that it include base, external stator, rotor, inner stator, shaft,
Inner stator support device, axle stretch end end cap, the external stator are mounted on electric machine stand, and base one end is equipped with axle stretch end end cap,
The other end of base is equipped with inner stator support device, and the inner stator is mounted in inner stator support device, in inner stator and outside
Rotor is equipped between stator, the rotor is fixed in shaft, and shaft is supported with axle stretch end end cap, inner stator respectively by bearing
Device connection, is respectively kept with air gap, forms the first air gap between rotor and external stator between the rotor and inner stator, external stator,
Interstice is formed between rotor and inner stator, base is being equipped with air inlet, inner stator support device at axle stretch end end cap
It is axially arranged with air outlet, the inner stator support device includes inner stator fixed support tube, bearing support cylinder, the fixed branch of inner stator
It supports cylinder and is equipped with reinforcing ring I in the end face inner circle close to axle stretch end, the angle between reinforcing ring I and the fixed support tube of inner stator
It is uniformly provided with stiffener plate, the fixed support tube of inner stator is equipped with reinforcing ring II, the outer diameter and machine of the reinforcing ring II in the other end
Seat outer diameter matching, the outer diameter of the internal diameter and bearing support cylinder of the reinforcing ring II matches, in bearing support cylinder and reinforcing ring II
Circle is fixedly connected, and II outer end face of reinforcing ring is equipped with circumferential gusset and radial gusset, reinforcing ring II in the fixed support tube of inner stator and
Air outlet is axially arranged between bearing support cylinder.
2. a kind of magneto of double-stator structure as described in claim 1, which is characterized in that fixed to enhance inner stator
Connection between support tube and bearing support cylinder, the bearing support cylinder right side are equipped in reinforcing rib and the fixed support tube of inner stator
Circle connection.
3. a kind of magneto of double-stator structure as claimed in claim 1 or 2, which is characterized in that the inner stator and outer
The number of magnetic poles of stator is equal, and the magnetic pole of inner stator and external stator circumferentially arranges unanimously.
4. a kind of magneto of double-stator structure as claimed in claim 3, which is characterized in that the value of first air gap is
0.2cm~0.8cm, the value of interstice are 2cm~5cm.
5. a kind of magneto of double-stator structure as claimed in claim 3, which is characterized in that the value of first air gap is
0.5cm, the value of interstice are 3.5cm.
6. a kind of magneto of double-stator structure as claimed in claim 3, which is characterized in that the middle part of the shaft is equipped with
Fan, the air outlet outside of reinforcing ring II are equipped with cooler, and cooling air is after the entrance of the air inlet of base, after external stator
Again by inner stator, enters cooler from air outlet under the action of fan, the air inlet of base is entered after cooling.
7. a kind of magneto of double-stator structure as claimed in claim 3, which is characterized in that the shaft is hollow shaft.
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 CN106451971A (en) | 2017-02-22 |
| CN106451971B true CN106451971B (en) | 2019-04-09 |
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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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
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|---|---|---|---|---|
| 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 |
| CN2582262Y (en) * | 2002-09-09 | 2003-10-22 | 李红军 | Double-surface and spiral-winding motor |
| 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 |
| 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 |
| CN106026577A (en) * | 2016-07-11 | 2016-10-12 | 十堰亚新汽车科技有限公司 | Double-magnetic-circuit motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010013732A1 (en) * | 1999-03-19 | 2001-08-16 | Chun-Pu Hsu | Anti-vibration electric motor having outer rotor stably supported at two ends |
| KR100575677B1 (en) * | 2004-05-04 | 2006-05-03 | 엘지전자 주식회사 | Motor cooling structure for reciprocating compressor |
| CN103647381B (en) * | 2013-12-24 | 2015-09-09 | 哈尔滨工业大学 | Coreless permanent magnet formula finite angle motor |
| CN104393728B (en) * | 2014-12-23 | 2017-10-03 | 南车株洲电机有限公司 | A kind of Double-stator 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 |
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2016
- 2016-11-29 CN CN201611072404.7A patent/CN106451971B/en active Active
Patent Citations (8)
| 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 |
| CN2582262Y (en) * | 2002-09-09 | 2003-10-22 | 李红军 | Double-surface and spiral-winding motor |
| 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 |
| 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 |
| CN106026577A (en) * | 2016-07-11 | 2016-10-12 | 十堰亚新汽车科技有限公司 | Double-magnetic-circuit motor |
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| Publication number | Publication date |
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| CN106451971A (en) | 2017-02-22 |
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