CN103427557A - Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan - Google Patents
Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan Download PDFInfo
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- CN103427557A CN103427557A CN2013103917060A CN201310391706A CN103427557A CN 103427557 A CN103427557 A CN 103427557A CN 2013103917060 A CN2013103917060 A CN 2013103917060A CN 201310391706 A CN201310391706 A CN 201310391706A CN 103427557 A CN103427557 A CN 103427557A
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Abstract
A magnetic levitation permanent-magnet synchronous high-power high-speed draught fan comprises a draught fan shell, an impeller, a motor rotor and stator cores, wherein an air inlet and an air outlet are formed in the draught fan shell, the impeller is installed on one axial side, close to the air inlet, of the draught fan shell, permanent-magnet rotors are installed in the fin (for machine shell heat dissipation) stator cores, heat dissipation and ventilation ducts are reserved between the motor rotor and the stator cores, each stator core is sectioned, heat dissipation and ventilation ducts are formed in each stator core, a fan blade and a motor winding are arranged on the motor rotor and located on the two sides of each stator core, the fan blades are arranged between the stator cores and the motor windings, a radial magnetic bearing is located on one side, away from a corresponding stator core, of each motor winding, an axial fan is arranged between each motor winding and a corresponding radial magnetic bearing, one of the two radial magnetic bearings is installed at a position, away from the air inlet, of the motor rotor, two axial magnetic bearings are both located on one side, away from a corresponding stator core, of the radial magnetic bearing which is arranged away from the air inlet, and a suction disc type axial fan is arranged between the axial magnetic bearings.
Description
Technical field
The present invention relates to the synchronous Large-power High-Speed blower fan of a kind of magnetic suspension permanent magnet, relate in particular to the air-cooled outer heat dissipation type of a kind of multistage and power and reach the above magnetic suspension permanent magnet synchronous high-speed frequency conversion fan of 30KW.
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 the synchronous Large-power High-Speed blower fan of a kind of magnetic suspension permanent magnet, more than its power can reach 30KW, turn scooter 12000-50000 rev/min, it is by processing stator core segmentation, rotor and magnetic bearing Duct design, reserve the heat dissipation ventilation road, and then effectively improve the radiating effect of the synchronous Large-power High-Speed blower fan of whole magnetic suspension permanent magnet.
The present invention adopts following technical scheme: the synchronous Large-power High-Speed blower fan of a kind of magnetic suspension permanent magnet, comprise Blower Housing, impeller, rotor and stator core, be provided with air inlet and air outlet on described Blower Housing, described impeller is installed on an axially side of upper next-door neighbour's air inlet of Blower Housing, impeller just is being loaded on rotor, described stator core is installed 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 the motor winding of fan leaf and next-door neighbour's fan leaf, the loose leaf of described wind is arranged between stator core and motor winding, the radial direction magnetic bearing of installing on described rotor is positioned at the side away from stator core of motor winding, be provided with the aerofoil fan be installed on rotor between described motor winding and radial direction magnetic bearing, described radial direction magnetic bearing includes two altogether, one of them is installed on rotor away from the air inlet place, magnetic suspension permanent magnet synchronous high-speed frequency conversion fan of the present invention also includes two axial magnetic bearings, described two axial magnetic bearings all are positioned at the side away from stator core be installed on away from the radial direction magnetic bearing at air inlet place, 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.
The power of described magnetic suspension permanent magnet synchronous high-speed frequency conversion fan is more than 30KW.
The present invention has following beneficial effect: the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet of the present invention is by processing stator core segmentation, rotor and magnetic bearing Duct design, reserve the heat dissipation ventilation road, rely on air inlet intake size, magnetic bearing to rotor, stator core, stator winding and two ends carries out forced ventilation, cooling, and then makes the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet be operated under safe environment.
The accompanying drawing explanation
The perspective view that Fig. 1 is the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet of the present invention.
Another structural representation that Fig. 2 is the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet shown in Fig. 1.
The generalized section that Fig. 3 is the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet shown in Fig. 2 A-A along the line.
Wherein:
The 1-Blower Housing; The 2-impeller; The 3-rotor; The 4-stator core; The 5-fan leaf; 6-motor winding; The 7-radial direction magnetic bearing; The 8-aerofoil fan; The 9-axial magnetic bearing; The 10-air inlet; The 11-air outlet; 12-suction disc type aerofoil fan; A, b-heat dissipation ventilation road.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet of the present invention mainly comprises Blower Housing 1 and impeller 2, be provided with air inlet 10 and air outlet 11 on Blower Housing 1, an axially side of upper next-door neighbour's air inlet 10 of Blower Housing 1 is equipped with impeller 2, and impeller 2 just is being loaded on rotor 3.Stator core 4 is installed on rotor 3, leaves heat dissipation ventilation road a between rotor 3 and stator core 4.Stator core 4 is the segmentation shape, is provided with some heat dissipation ventilations road b on it.The both sides that are positioned at stator core 4 on rotor 3 are respectively arranged with the motor winding 6 of fan leaf 5 and next-door neighbour's fan leaf 5, and the loose leaf 5 of wind is arranged between stator core 4 and motor winding 6.The radial direction magnetic bearing 7 of installing on rotor 3 is positioned at the side away from stator core 4 of motor winding 6.Be provided with the aerofoil fan 8 be installed on rotor 3 between motor winding 6 and radial direction magnetic bearing 7.Radial direction magnetic bearing 7 includes two altogether, and one of them is installed on rotor 3 away from air inlet 10 places.The synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet of the present invention also includes axial magnetic bearing 9, this axial magnetic bearing 9 is positioned at the side away from stator core 4 be installed on away from the radial direction magnetic bearing 7 at air inlet 10 places, axial magnetic bearing 9 includes two altogether, and is provided with the suction disc type aerofoil fan 12 be installed on rotor 1 between two axial magnetic bearings 9.
During work, the blower fan high speed rotating is (more than its power can reach 30KW, turn scooter 12000-50000 rev/min) time, impeller 2 sucks gas from air inlet 10, through exhaust outlet 11, discharge, impeller 2 formal dress, its intake by air inlet 10 is drawn in blower fan, by aerofoil fan 8 and suction disc type aerofoil fan 12, all intakes in blower fan are blown in the heat dissipation ventilation road (the arrow part in Fig. 3) in blower fan and then heat is shed again, the cooling heat dissipation effect increases, thereby makes blower fan be operated under security context.
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 (3)
1. the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet, it is characterized in that: comprise Blower Housing (1), impeller (2), rotor (3) and stator core (4), be provided with air inlet (10) and air outlet (11) on described Blower Housing (1), described impeller (2) is installed on an axially side of upper next-door neighbour's air inlet (10) of Blower Housing (1), impeller (2) just is being loaded on rotor (3), described stator core (4) is installed on rotor (3), leave heat dissipation ventilation road (a) between described rotor (3) and stator core (4), described stator core (4) is the segmentation shape, be provided with some heat dissipation ventilations road (b) on it, the both sides that are positioned at stator core (4) on described rotor (3) are respectively arranged with the motor winding (6) of fan leaf (5) and next-door neighbour's fan leaf (5), the described wind leaf (5) that falls apart is arranged between stator core (4) and motor winding (6), the upper radial direction magnetic bearing (7) of installing of described rotor (3) is positioned at the side away from stator core (4) of motor winding (6), be provided with the aerofoil fan (8) be installed on rotor (3) between described motor winding (6) and radial direction magnetic bearing (7), described radial direction magnetic bearing (7) includes two altogether, one of them is installed on, and rotor (3) is upper to be located away from air inlet (10), magnetic suspension permanent magnet synchronous high-speed frequency conversion fan of the present invention also includes two axial magnetic bearings (9), described two axial magnetic bearings (9) all are positioned at the side away from stator core (4) that is installed on the radial direction magnetic bearing (7) of locating away from air inlet (10), and be provided with the suction disc type aerofoil fan (12) be installed on rotor (1) between two axial magnetic bearings (9).
2. the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet as claimed in claim 1, it is characterized in that: described two radial direction magnetic bearings (7) are installed on respectively the both sides of described stator core (4).
3. the synchronous Large-power High-Speed blower fan of magnetic suspension permanent magnet as claimed in claim 1 or 2, is characterized in that: more than the power 30KW of described magnetic suspension permanent magnet synchronous high-speed frequency conversion fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103917060A CN103427557A (en) | 2013-09-02 | 2013-09-02 | Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103917060A CN103427557A (en) | 2013-09-02 | 2013-09-02 | Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan |
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| CN103427557A true CN103427557A (en) | 2013-12-04 |
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| CN2013103917060A Pending CN103427557A (en) | 2013-09-02 | 2013-09-02 | Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314882A (en) * | 2014-10-11 | 2015-01-28 | 南京磁谷科技有限公司 | Centrifugal blast blower with dust removal function |
| CN105356667A (en) * | 2015-12-09 | 2016-02-24 | 南京磁谷科技有限公司 | Internal cooling structure for isolating rotor in magnetic suspension fan |
| CN105422485A (en) * | 2015-12-09 | 2016-03-23 | 南京磁谷科技有限公司 | Cooling structure of rotor of air blower |
| CN106487162A (en) * | 2016-12-19 | 2017-03-08 | 南京磁谷科技有限公司 | A kind of 55kw magnetic-suspension high-speed blower fan structure |
| CN106593919A (en) * | 2016-12-19 | 2017-04-26 | 南京磁谷科技有限公司 | 300kw magnetic-suspension high-speed fan structure |
| CN106787441A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of 220kW magnetic-suspension high-speeds blower fan structure |
| CN113765249A (en) * | 2021-08-19 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Rotor structure of magnetic suspension axial flow fan |
Citations (6)
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| US20040119372A1 (en) * | 2001-12-19 | 2004-06-24 | Hitachi, Ltd. | Rotating electric machine |
| CN2670642Y (en) * | 2003-06-20 | 2005-01-12 | 林钧浩 | Multifunctional strong sucking back-flow fans |
| CN2773358Y (en) * | 2005-03-11 | 2006-04-19 | 谢丹平 | High-speed magnetic-suspension centrifugal blower |
| 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 |
| CN202918133U (en) * | 2012-11-28 | 2013-05-01 | 沈阳工业大学 | High power high speed permanent magnet high frequency motor |
| CN203482012U (en) * | 2013-09-02 | 2014-03-12 | 南京磁谷科技有限公司 | Magnetic-levitation permanent-magnet synchronous high-power high-speed fan |
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2013
- 2013-09-02 CN CN2013103917060A patent/CN103427557A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040119372A1 (en) * | 2001-12-19 | 2004-06-24 | Hitachi, Ltd. | Rotating electric machine |
| CN2670642Y (en) * | 2003-06-20 | 2005-01-12 | 林钧浩 | Multifunctional strong sucking back-flow fans |
| CN2773358Y (en) * | 2005-03-11 | 2006-04-19 | 谢丹平 | High-speed magnetic-suspension centrifugal blower |
| 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 |
| CN202918133U (en) * | 2012-11-28 | 2013-05-01 | 沈阳工业大学 | High power high speed permanent magnet high frequency motor |
| CN203482012U (en) * | 2013-09-02 | 2014-03-12 | 南京磁谷科技有限公司 | Magnetic-levitation permanent-magnet synchronous high-power high-speed fan |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314882A (en) * | 2014-10-11 | 2015-01-28 | 南京磁谷科技有限公司 | Centrifugal blast blower with dust removal function |
| CN105356667A (en) * | 2015-12-09 | 2016-02-24 | 南京磁谷科技有限公司 | Internal cooling structure for isolating rotor in magnetic suspension fan |
| CN105422485A (en) * | 2015-12-09 | 2016-03-23 | 南京磁谷科技有限公司 | Cooling structure of rotor of air blower |
| CN105356667B (en) * | 2015-12-09 | 2018-09-25 | 南京磁谷科技有限公司 | The interior cooling structure of rotor is isolated in magnetic suspension wind turbine |
| CN106487162A (en) * | 2016-12-19 | 2017-03-08 | 南京磁谷科技有限公司 | A kind of 55kw magnetic-suspension high-speed blower fan structure |
| CN106593919A (en) * | 2016-12-19 | 2017-04-26 | 南京磁谷科技有限公司 | 300kw magnetic-suspension high-speed fan structure |
| CN106787441A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of 220kW magnetic-suspension high-speeds blower fan structure |
| CN106787441B (en) * | 2016-12-19 | 2023-11-17 | 南京磁谷科技有限公司 | 220kW magnetic suspension high-speed fan structure |
| CN113765249A (en) * | 2021-08-19 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Rotor structure of magnetic suspension axial flow fan |
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|---|---|---|---|
| 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: 20131204 |