CN103441613A - Magnetic suspension permanent-magnet synchronous high-speed motor - Google Patents
Magnetic suspension permanent-magnet synchronous high-speed motor Download PDFInfo
- Publication number
- CN103441613A CN103441613A CN201310391708XA CN201310391708A CN103441613A CN 103441613 A CN103441613 A CN 103441613A CN 201310391708X A CN201310391708X A CN 201310391708XA CN 201310391708 A CN201310391708 A CN 201310391708A CN 103441613 A CN103441613 A CN 103441613A
- Authority
- CN
- China
- Prior art keywords
- motor
- magnet synchronous
- stator core
- permanent magnet
- synchronous high
- 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.)
- Pending
Links
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
A magnetic suspension permanent-magnet synchronous high-speed motor comprises a motor rotor and a stator iron core arranged on the motor rotor. A heat dissipation ventilation duct is reserved between the motor rotor and the stator iron core. The stator iron core is arranged in a segmented shape, and a plurality of heat dissipation ventilation ducts are formed in the stator iron core. The portions, on the two sides of the stator iron core respectively, of the motor rotor are respectively provided with fan blades and a machine winding, and the fan blades are arranged between the stator iron core and each machine winding. Two radial magnetic bearings which are located on the sides, away from the two sides of the stator iron core, of the machine windings respectively are arranged on the motor rotor, one of the radial bearings is arranged on an air inlet of a motor, and an axial fan is arranged between each machine winding and the one of the radial bearings. The motor further comprises two axial bearings arranged on the side, away from the stator iron core, of the radial bearing which is arranged on the air inlet of the motor, and a suction disk type axial fan is arranged between the two axial bearings.
Description
Technical field
The present invention relates to a kind of magnetic suspension permanent magnet synchronous high-speed motor, refer to especially a kind of magnetic suspension permanent magnet synchronous high-speed square block fin motor.
Background technology
The high-speed electric expreess locomotive type of cooling commonly used 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 the 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; The working medium such as evaporative cooling employing R123 are as coolant, and cooling effectiveness is the highest, but difficult in maintenance.Wherein, liquid cover stator cooling with from fanning the cooling scheme combined of rotor, adopt the most extensively, technology is maturation comparatively also.
Summary of the invention
The invention provides a kind of magnetic suspension permanent magnet synchronous high-speed motor, it passes through the electric machine stator iron segment processing, reserve the 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, the blowing amount, magnetic suspension permanent magnet synchronous high-speed motor is forced to air draft, cooling, make machine operation under security context.
The present invention 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, leave the heat dissipation ventilation road between described rotor and stator core, described stator core is the segmentation shape, be provided with some heat dissipation ventilations road on it, 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 also is installed on described rotor, described radial direction magnetic bearing includes two altogether, one of them is installed on the air inlet place of motor, be provided with the aerofoil fan be installed on rotor between described motor winding and radial direction magnetic bearing, magnetic suspension permanent magnet synchronous high-speed motor of the present invention 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 the air inlet place, described axial magnetic bearing includes two altogether, and be provided with the suction disc type aerofoil fan be installed on rotor between two axial magnetic bearings.
Described two radial direction magnetic bearings are installed on respectively the both sides of described stator core.
Described two axial magnetic bearings all are 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 present invention has following beneficial effect: magnetic suspension permanent magnet synchronous high-speed motor of the present invention is provided with fan leaf by the both sides that are positioned at stator core on rotor, dependence rotary wind flabellum produces and takes out, the blowing amount, magnetic suspension permanent magnet synchronous high-speed motor is forced to air draft, cooling, make machine operation under security context.
The accompanying drawing explanation
The perspective view that Fig. 1 is magnetic suspension permanent magnet synchronous high-speed motor of the present invention.
Another structural representation that Fig. 2 is the motor of magnetic suspension permanent magnet synchronous high-speed shown in Fig. 1.
The generalized section that Fig. 3 is the A-A along the line of magnetic suspension permanent magnet synchronous high-speed motor shown in Fig. 2.
Wherein:
The 1-rotor; The 2-stator core; The 3-fan leaf; 4-motor winding; The 5-radial direction magnetic bearing; The 6-aerofoil fan; The 7-axial magnetic bearing; 8-suction disc type aerofoil fan; A, b-heat dissipation ventilation road; The c-air inlet.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, magnetic suspension permanent magnet synchronous high-speed motor of the present invention 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 the 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.Be provided with the aerofoil fan 6 be installed on rotor 1 between motor winding 4 and radial direction magnetic bearing 5.Radial direction magnetic bearing 5 includes two altogether, and one of them is installed on the air inlet c place of motor.Magnetic suspension permanent magnet synchronous high-speed motor of the present invention 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 is provided with the suction disc type aerofoil fan 8 be installed on rotor 1 between two axial magnetic bearings 7.
During work, the 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), by the both sides that are positioned at stator core on rotor, fan leaf is set in magnetic suspension permanent magnet synchronous high-speed motor of the present invention simultaneously, relying on fan leaf to produce takes out, the 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 the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
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), leave heat dissipation ventilation road (a) between described rotor (1) and stator core (2), described stator core (2) is the segmentation shape, be provided with some heat dissipation ventilations road (b) on it, 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) also is 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, be provided with the aerofoil fan (6) be installed on rotor (1) between described motor winding (4) and radial direction magnetic bearing (5), magnetic suspension permanent magnet synchronous high-speed motor of the present invention 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 be provided with the suction disc type aerofoil fan (8) be installed on rotor (1) between two axial magnetic bearings (7).
2. a kind of magnetic suspension permanent magnet synchronous high-speed motor as claimed in claim 1, it 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, it is characterized in that: described two axial magnetic bearings (7) all are 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, it 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, it 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 |
|---|---|---|---|
| CN201310391708XA CN103441613A (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 |
|---|---|---|---|
| CN201310391708XA CN103441613A (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103441613A true CN103441613A (en) | 2013-12-11 |
Family
ID=49695295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310391708XA Pending CN103441613A (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103441613A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307809Y (en) * | 2008-11-28 | 2009-09-09 | 江苏大学 | High-speed electric main shaft system supported by five freedom degree alternating current magnetic bearing |
| CN101807869A (en) * | 2009-02-12 | 2010-08-18 | 卓向东 | Magnetic suspension bearing motor |
| CN201733169U (en) * | 2010-07-22 | 2011-02-02 | 南京工业大学 | Magnetic suspension flywheel energy storage device using suspension/energy storage integrated flywheel |
| CN102437798A (en) * | 2011-10-19 | 2012-05-02 | 上海大学 | High speed electric spindle supported by all-permanent magnet bearing |
| CN202918133U (en) * | 2012-11-28 | 2013-05-01 | 沈阳工业大学 | High power high speed permanent magnet high frequency motor |
| CN203086307U (en) * | 2012-04-25 | 2013-07-24 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor with ventilation structure |
| CN103269142A (en) * | 2013-05-27 | 2013-08-28 | 浙江建达电器有限公司 | High-speed permanent magnet motor for molecular pump |
| CN203482015U (en) * | 2013-09-02 | 2014-03-12 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-speed motor |
-
2013
- 2013-09-02 CN CN201310391708XA patent/CN103441613A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307809Y (en) * | 2008-11-28 | 2009-09-09 | 江苏大学 | High-speed electric main shaft system supported by five freedom degree alternating current magnetic bearing |
| CN101807869A (en) * | 2009-02-12 | 2010-08-18 | 卓向东 | Magnetic suspension bearing motor |
| CN201733169U (en) * | 2010-07-22 | 2011-02-02 | 南京工业大学 | Magnetic suspension flywheel energy storage device using suspension/energy storage integrated flywheel |
| CN102437798A (en) * | 2011-10-19 | 2012-05-02 | 上海大学 | High speed electric spindle supported by all-permanent magnet bearing |
| CN203086307U (en) * | 2012-04-25 | 2013-07-24 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor with ventilation structure |
| CN202918133U (en) * | 2012-11-28 | 2013-05-01 | 沈阳工业大学 | High power high speed permanent magnet high frequency motor |
| CN103269142A (en) * | 2013-05-27 | 2013-08-28 | 浙江建达电器有限公司 | High-speed permanent magnet motor for molecular pump |
| CN203482015U (en) * | 2013-09-02 | 2014-03-12 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-speed motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103441612A (en) | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan | |
| CN103427557A (en) | Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan | |
| CN205319816U (en) | Permanent magnetism disk type motor cooling system | |
| CN202260856U (en) | Radiating device of permanent magnet motor rotor | |
| CN204721187U (en) | The cooling system of crane external rotor permanent magnet synchronous machine | |
| CN110571971A (en) | magnetic suspension motor with negative pressure air cooling device | |
| CN106160315A (en) | The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers | |
| CN113346678B (en) | Hybrid excitation turbogenerator with multistage axial flow-centrifugal ventilation cooling system | |
| CN204334189U (en) | There is the threephase asynchronous of three fan complete alternation cooling air duct system | |
| CN103023184A (en) | High-speed airflow generating device and brushless motor thereof | |
| CN104734422A (en) | Novel permanent magnet motor | |
| CN104505970A (en) | Three-phase asynchronous motor with three-fan full-circulation cooling wind path system | |
| CN203482015U (en) | Magnetic suspension permanent-magnet synchronous high-speed motor | |
| CN203482012U (en) | Magnetic-levitation permanent-magnet synchronous high-power high-speed fan | |
| CN108023441B (en) | Novel motor wind path structure | |
| CN104935140B (en) | The cooling system of crane external rotor permanent magnet synchronous machine | |
| CN101056016A (en) | Axial radial ventilation system for high-power high voltage solid rotor permanent magnetic electromotor rotor | |
| CN103490541A (en) | High-speed motor self-cooling rotor | |
| CN203574465U (en) | High-speed motor self-cooling rotor | |
| CN202103534U (en) | Integral ventilation structure of motor | |
| CN203481932U (en) | Anti-explosion high-power high-speed motor and anti-explosion high-power high-speed fan | |
| CN203482013U (en) | High-power high-speed motor and high-power high-speed draught fan | |
| CN207677576U (en) | Large-scale pumped storage power unit generation motor ventilation cooling structure | |
| CN103441613A (en) | Magnetic suspension permanent-magnet synchronous high-speed motor | |
| CN206807200U (en) | A kind of air-cooled motor of inner loop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |