CN203482015U - Magnetic suspension permanent-magnet synchronous high-speed motor - Google Patents
Magnetic suspension permanent-magnet synchronous high-speed motor Download PDFInfo
- Publication number
- CN203482015U CN203482015U CN201320541108.2U CN201320541108U CN203482015U CN 203482015 U CN203482015 U CN 203482015U CN 201320541108 U CN201320541108 U CN 201320541108U CN 203482015 U CN203482015 U CN 203482015U
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- stator core
- motor
- magnet synchronous
- rotor
- permanent magnet
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Abstract
A magnetic suspension permanent-magnet synchronous high-speed motor comprises a motor rotor and a stator core arranged on the motor rotor. A heat dissipation ventilation duct is reserved between the motor rotor and the stator core. The stator core is arranged in a segmental shape, and a plurality of heat dissipation ventilation ducts are arranged on the stator core. Fan blades and motor windings adjacent to the fan blades are respectively arranged in positions, on the two sides of the stator core, of the motor rotor, and each fan blade is arranged between the stator core and the corresponding motor winding. Two radial magnetic bearings which are disposed on the sides, away from the stator core, of the motor windings respectively are further mounted on the motor rotor, wherein one radial magnetic bearing is mounted at an air inlet of the motor. An axial flow fan which is mounted on the motor rotor is arranged between the motor windings and the radial magnetic bearings. The motor further comprises two axial magnetic bearings which are disposed on one side, away from the stator core, of the radial magnetic bearing which is mounted at the air inlet of the motor, and a suction disk type axial flow fan which is mounted on the motor rotor is arranged between the two axial magnetic bearings.
Description
Technical field
The utility model relates to a kind of magnetic suspension permanent magnet synchronous high-speed motor, refers to especially a kind of magnetic suspension permanent magnet synchronous high-speed square block fin motor.
Background technology
The conventional type of cooling of high-speed electric expreess locomotive is free air cooling but at present, the cooling and evaporative cooling of liquid cover.Air cooled high-speed electric expreess locomotive system is without leakage problem, easy to maintenance, but cooling effectiveness is very low, and motor volume is large; Liquid overlaps cooling employing oil or water-ethylene glycol as coolant, and general and rotor share from fanning wind cooling; Evaporative cooling adopts the working medium such as R123 as coolant, and cooling effectiveness is the highest, but difficult in maintenance.Wherein, liquid cover stator cooling with from fanning the cooling scheme combining of rotor, adopt the most extensively, technology is maturation comparatively also.
Summary of the invention
The utility model provides a kind of magnetic suspension permanent magnet synchronous high-speed motor, it passes through electric machine stator iron segment processing, reserve heat dissipation ventilation road, the both sides that are positioned at stator core on rotor are provided with fan leaf, dependence rotary wind flabellum produces and takes out, blowing amount, magnetic suspension permanent magnet synchronous high-speed motor is forced to air draft, cooling, make machine operation under security context.
The utility model adopts following technical scheme: a kind of magnetic suspension permanent magnet synchronous high-speed motor, comprise: rotor and be installed on the stator core on rotor, between described rotor and stator core, leave heat dissipation ventilation road, described stator core is segmentation shape, on it, be provided with some heat dissipation ventilations road, the both sides that are positioned at stator core on described rotor are respectively arranged with fan leaf and are close to the motor winding of described fan leaf, described fan leaf is arranged between described stator core and motor winding, the radial direction magnetic bearing away from stator core one side that is positioned at described motor winding is also installed on described rotor, described radial direction magnetic bearing includes two altogether, one of them is installed on the air inlet place of motor, between described motor winding and radial direction magnetic bearing, be provided with the aerofoil fan being installed on rotor, the utility model magnetic suspension permanent magnet synchronous high-speed motor also includes axial magnetic bearing, described axial magnetic bearing is positioned at the side away from stator core of the radial direction magnetic bearing that is installed on air inlet place, described axial magnetic bearing includes two altogether, and between two axial magnetic bearings, be provided with the suction disc type aerofoil fan being installed on rotor.
Described two radial direction magnetic bearings are installed on respectively the both sides of described stator core.
Described two axial magnetic bearings are all installed between described air inlet and described stator core.
Described magnetic suspension permanent magnet synchronous high-speed motor is magnetic suspension permanent magnet synchronous high-speed fin square block motor.
The power of described magnetic suspension permanent magnet synchronous high-speed motor is more than 30KW.
The utlity model has following beneficial effect: the utility model magnetic suspension permanent magnet synchronous high-speed motor is provided with fan leaf by be positioned at the both sides of stator core on rotor, dependence rotary wind flabellum produces and takes out, blowing amount, magnetic suspension permanent magnet synchronous high-speed motor is forced to air draft, cooling, make machine operation under security context.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model magnetic suspension permanent magnet synchronous high-speed motor.
Fig. 2 is another structural representation of the motor of magnetic suspension permanent magnet synchronous high-speed shown in Fig. 1.
Fig. 3 is the generalized section of the A-A along the line of magnetic suspension permanent magnet synchronous high-speed motor shown in Fig. 2.
Wherein:
1-rotor; 2-stator core; 3-fan leaf; 4-motor winding; 5-radial direction magnetic bearing; 6-aerofoil fan; 7-axial magnetic bearing; 8-suction disc type aerofoil fan; A, b-heat dissipation ventilation road; C-air inlet.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, the utility model magnetic suspension permanent magnet synchronous high-speed motor comprises rotor 1 and is installed on the stator core 2 on rotor 1, leaves heat dissipation ventilation road a between rotor 1 and stator core 2.Stator core 2 is segmentation shape, is provided with some heat dissipation ventilations road b on it.The both sides that are positioned at stator core 2 on rotor 1 are respectively arranged with the motor winding 4 of fan leaf 3 and next-door neighbour's fan leaf 3, and fan leaf 3 is arranged between stator core 2 and motor winding 4.The radial direction magnetic bearing 5 of installing on rotor 1 is positioned at the side away from stator core 2 of motor winding 4.Between motor winding 4 and radial direction magnetic bearing 5, be provided with the aerofoil fan 6 being installed on rotor 1.Radial direction magnetic bearing 5 includes two altogether, and one of them is installed on the air inlet c place of motor.The utility model magnetic suspension permanent magnet synchronous high-speed motor also includes axial magnetic bearing 7, this axial magnetic bearing 7 is positioned at the side away from stator core 2 of the radial direction magnetic bearing 5 that is installed on air inlet c place, axial magnetic bearing 7 includes two altogether, and between two axial magnetic bearings 7, is provided with the suction disc type aerofoil fan 8 being installed on rotor 1.
During work, motor High Rotation Speed is (more than power can reach 30KW, rotating speed can reach 12000-55000 rev/min), gas sucks from air inlet c, by the first aerofoil fan 6 in motor and suction disc type aerofoil fan 8, gas is blown in each heat dissipation ventilation road in motor and (refers to the arrow part in Fig. 1), in the utility model magnetic suspension permanent magnet synchronous high-speed motor, by be positioned at the both sides of stator core on rotor, fan leaf is set simultaneously, relying on fan leaf to produce takes out, blowing amount, to rotor, stator core, radial direction magnetic bearing and the axial magnetic bearing at motor winding and two ends are forced air draft, cooling, and then make machine operation under the environment of safety.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, under the prerequisite that does not depart from the utility model principle, can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (5)
1. a magnetic suspension permanent magnet synchronous high-speed motor, it is characterized in that: comprising: rotor (1) and be installed on the stator core (2) on rotor (1), between described rotor (1) and stator core (2), leave heat dissipation ventilation road (a), described stator core (2) is segmentation shape, on it, be provided with some heat dissipation ventilations road (b), the both sides that are positioned at stator core (2) on described rotor (1) are respectively arranged with fan leaf (3) and are close to the motor winding (4) of described fan leaf (3), described fan leaf (3) is arranged between described stator core (2) and motor winding (4), the radial direction magnetic bearing away from stator core (2) one sides (5) that is positioned at described motor winding (4) is also installed on described rotor (1), described radial direction magnetic bearing (5) includes two altogether, one of them is installed on the air inlet (c) of motor and locates, between described motor winding (4) and radial direction magnetic bearing (5), be provided with the aerofoil fan (6) being installed on rotor (1), the utility model magnetic suspension permanent magnet synchronous high-speed motor also includes axial magnetic bearing (7), described axial magnetic bearing (7) is positioned at the side away from stator core (2) that is installed on the radial direction magnetic bearing (5) that air inlet (c) locates, described axial magnetic bearing (7) includes two altogether, and between two axial magnetic bearings (7), be provided with the suction disc type aerofoil fan (8) being installed on rotor (1).
2. a kind of magnetic suspension permanent magnet synchronous high-speed motor as claimed in claim 1, is characterized in that: described two radial direction magnetic bearings (5) are installed on respectively the both sides of described stator core (2).
3. a kind of magnetic suspension permanent magnet synchronous high-speed motor as claimed in claim 1, is characterized in that: described two axial magnetic bearings (7) are all installed between described air inlet (c) and described stator core (2).
4. a kind of magnetic suspension permanent magnet synchronous high-speed motor as claimed in claim 1, is characterized in that: described magnetic suspension permanent magnet synchronous high-speed motor is magnetic suspension permanent magnet synchronous high-speed fin square block motor.
5. a kind of magnetic suspension permanent magnet synchronous high-speed motor as claimed in claim 1, is characterized in that: the power of described magnetic suspension permanent magnet synchronous high-speed motor is more than 30KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541108.2U CN203482015U (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541108.2U CN203482015U (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203482015U true CN203482015U (en) | 2014-03-12 |
Family
ID=50230265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541108.2U Expired - Lifetime CN203482015U (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203482015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441613A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-speed motor |
| CN106357052A (en) * | 2016-09-26 | 2017-01-25 | 南京磁谷科技有限公司 | Air cooling structure of magnetic suspension motor |
-
2013
- 2013-09-02 CN CN201320541108.2U patent/CN203482015U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441613A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-speed motor |
| CN106357052A (en) * | 2016-09-26 | 2017-01-25 | 南京磁谷科技有限公司 | Air cooling structure of magnetic suspension motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co.,Ltd. Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU Ltd.,Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |