CN103441612A - Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan - Google Patents
Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan Download PDFInfo
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- CN103441612A CN103441612A CN2013103917075A CN201310391707A CN103441612A CN 103441612 A CN103441612 A CN 103441612A CN 2013103917075 A CN2013103917075 A CN 2013103917075A CN 201310391707 A CN201310391707 A CN 201310391707A CN 103441612 A CN103441612 A CN 103441612A
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Abstract
A magnetic suspension permanent-magnet synchronous high-power high-speed draught fan comprises a draught fan shell body, an impeller and a motor rotor. An air inlet and an air outlet are formed in the draught fan shell body, and the impeller is arranged on the side, opposite to the air inlet, of a motor rotor shaft in a reversed mode. The permanent-magnet rotor is arranged in an iron core of a stator fin which dissipates heat through the machine shell, a heat dissipation ventilation duct is reserved between the motor rotor and the stator iron core, the stator iron core is in a segmented shape, and 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 further arranged on the motor rotor, one of the radial bearings is arranged on the air inlet of a motor, and an axial fan is arranged between each machine winding and the one of the radial bearings. The draught fan 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 the synchronous Large-power High-Speed blower fan of a kind of magnetic suspension permanent magnet, relate in particular to the air-cooled interior air intake heat radiation of a kind of multistage, and the above magnetic suspension permanent magnet synchronous high-speed frequency conversion fan of power 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, it is by filling impeller is counter, and in blower fan, all intakes are by motor housing, and the cooling heat dissipation effect is all good.
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 and rotor, be provided with air inlet and air outlet on described Blower Housing, described impeller is counter mounted on a side relative with described air inlet 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, described fan leaf is arranged between 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 frequency conversion fan 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.
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 filling impeller is counter, and in blower fan, all intakes are by motor housing, and the cooling heat dissipation effect is all good.
The accompanying drawing explanation
The perspective view that Fig. 1 is the synchronous Large-power High-Speed blower fan of first embodiment of the invention magnetic suspension permanent magnet.
Another structural representation that Fig. 2 is the synchronous Large-power High-Speed blower fan of the first embodiment magnetic suspension permanent magnet shown in Fig. 1.
The generalized section that Fig. 3 is the A-A along the line of the synchronous Large-power High-Speed blower fan of the first embodiment magnetic suspension permanent magnet shown in Fig. 2.
The perspective view that Fig. 4 is the synchronous Large-power High-Speed blower fan of second embodiment of the invention magnetic suspension permanent magnet.
Wherein:
The 1-Blower Housing; The 2-impeller; The 3-rotor; The 4-stator core; 5 fan leafs; 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 first embodiment of the invention magnetic suspension permanent magnet mainly comprises Blower Housing 1 and impeller 2, be provided with air inlet 10 and air outlet 11 on Blower Housing 1, an axially upper side relative with air inlet 10 of Blower Housing 1 is equipped with impeller 2, and impeller 2 is counter mounted 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 fan leaf 5 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 air inlet 10 places of motor.The synchronous Large-power High-Speed blower fan of first embodiment of the invention magnetic suspension permanent magnet also includes axial magnetic bearing 9, this axial magnetic bearing 9 is positioned at the side away from stator core 4 of the radial direction magnetic bearing 7 that is installed on 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 Rotation Speed is (more than its power can reach 30KW, turn scooter 12000-50000 rev/min), impeller 2 sucks gas from air inlet 10, through exhaust outlet 11, discharge, impeller 2 instead fills, and in blower fan, all intakes all enter into the heat dissipation ventilation road (the arrow part of Fig. 3) of Blower Housing by aerofoil fan 8 and suction disc type aerofoil fan 12.The heat of discharging during by this kind of method blower fan work is drawn in blower fan fully, and all intakes all pass through blower fan, and the cooling heat dissipation effect increases, thereby makes blower fan be operated under security context.
It is more than the structural representation of the synchronous Large-power High-Speed blower fan of first embodiment of the invention magnetic suspension permanent magnet, its external form is horizontal type structure, another alternative structure commonly used as the synchronous Large-power High-Speed blower fan of first embodiment of the invention magnetic suspension permanent magnet, the synchronous Large-power High-Speed blower fan of the magnetic suspension permanent magnet that Fig. 4 is a kind of vertical structure, wherein the internal structure of the synchronous Large-power High-Speed blower fan of vertical magnetic suspension permanent magnet and horizontal magnetic suspension permanent-magnet synchronous Large-power High-Speed blower fan is identical, different is only the different of Blower Housing structure, here for the synchronous Large-power High-Speed blower fan of the magnetic suspension permanent magnet of the vertical structure shown in Fig. 4, just no longer specifically set forth.
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 (4)
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) and rotor (3), be provided with air inlet (10) and air outlet (11) on described Blower Housing (1), described impeller (2) is counter mounted on the upper side relative with described air inlet (10) of 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), described fan leaf (5) is arranged between stator core (4) and motor winding (6), the radial direction magnetic bearing away from stator core (4) one sides (5) that is positioned at described motor winding (6) also is installed on described rotor (3), described radial direction magnetic bearing (7) includes two altogether, one of them is installed on the air inlet (10) of motor and locates, be provided with the aerofoil fan (8) be installed on rotor (3) between described motor winding (6) and radial direction magnetic bearing (7), magnetic suspension permanent magnet synchronous high-speed frequency conversion fan of the present invention also includes axial magnetic bearing (9), described axial magnetic bearing (9) is positioned at the side away from stator core (4) that is installed on the radial direction magnetic bearing (7) that air inlet (10) locates, described axial magnetic bearing (9) includes two altogether, 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 a kind 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 a kind of magnetic suspension permanent magnet as claimed in claim 1, it is characterized in that: described two axial magnetic bearings (9) all are installed between described air inlet (10) and described stator core (4).
4. the synchronous Large-power High-Speed blower fan of a kind of magnetic suspension permanent magnet as claimed in claim 1, it is characterized in that: the power of described magnetic suspension permanent magnet synchronous high-speed frequency conversion fan is more than 30KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103917075A CN103441612A (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103917075A CN103441612A (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan |
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| CN103441612A true CN103441612A (en) | 2013-12-11 |
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| CN2013103917075A Pending CN103441612A (en) | 2013-09-02 | 2013-09-02 | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986298A (en) * | 2014-05-29 | 2014-08-13 | 南京磁谷科技有限公司 | High-speed magnetic suspension motor |
| CN104154028A (en) * | 2014-08-06 | 2014-11-19 | 南京磁谷科技有限公司 | Blower capable of reducing axial force of rotor |
| CN104791273A (en) * | 2015-05-04 | 2015-07-22 | 马卓娅 | Regulable high-power ventilator |
| 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 |
| CN105971910A (en) * | 2016-05-06 | 2016-09-28 | 亿昇(天津)科技有限公司 | Self-cooling system for single-stage high-speed fan |
| 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 |
| CN106787417A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of magnetic suspension motor rotor 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 |
| CN106911223A (en) * | 2015-12-22 | 2017-06-30 | 佳木斯电机股份有限公司 | Helium fan motor |
| CN112283166A (en) * | 2020-11-09 | 2021-01-29 | 江苏优格曼航空科技有限公司 | A easily install casing structure for high-speed magnetic suspension fan |
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| US20030080636A1 (en) * | 2001-11-01 | 2003-05-01 | Boardman William Hunter | Tapered rotor-stator air gap for superconducting synchronous machine |
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| CN202918133U (en) * | 2012-11-28 | 2013-05-01 | 沈阳工业大学 | High power high speed permanent magnet high frequency motor |
| CN203023086U (en) * | 2013-01-24 | 2013-06-26 | 佛山市顺德区华威风机制造有限公司 | Single-motor double-impeller fan |
| CN203482014U (en) * | 2013-09-02 | 2014-03-12 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan |
-
2013
- 2013-09-02 CN CN2013103917075A patent/CN103441612A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030080636A1 (en) * | 2001-11-01 | 2003-05-01 | Boardman William Hunter | Tapered rotor-stator air gap for superconducting synchronous machine |
| 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 |
| CN201858170U (en) * | 2010-09-30 | 2011-06-08 | 中山骏宏塑胶制品有限公司 | Electric air pump |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986298A (en) * | 2014-05-29 | 2014-08-13 | 南京磁谷科技有限公司 | High-speed magnetic suspension motor |
| CN104154028A (en) * | 2014-08-06 | 2014-11-19 | 南京磁谷科技有限公司 | Blower capable of reducing axial force of rotor |
| CN104154028B (en) * | 2014-08-06 | 2016-06-29 | 南京磁谷科技有限公司 | A kind of blower fan that can reduce rotor axial power |
| CN104791273A (en) * | 2015-05-04 | 2015-07-22 | 马卓娅 | Regulable high-power ventilator |
| 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 |
| 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 |
| CN106911223A (en) * | 2015-12-22 | 2017-06-30 | 佳木斯电机股份有限公司 | Helium fan motor |
| CN105971910A (en) * | 2016-05-06 | 2016-09-28 | 亿昇(天津)科技有限公司 | Self-cooling system for single-stage high-speed fan |
| 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 |
| 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 |
| CN106787417A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of magnetic suspension motor rotor 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 |
| 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 |
| CN112283166A (en) * | 2020-11-09 | 2021-01-29 | 江苏优格曼航空科技有限公司 | A easily install casing structure for high-speed magnetic suspension fan |
| CN112283166B (en) * | 2020-11-09 | 2022-06-24 | 江苏优格曼航空科技有限公司 | A easily install casing structure for high-speed magnetic suspension fan |
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| PB01 | Publication | ||
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Application publication date: 20131211 |