CN104565036A - Energy-saving permanent magnet biased magnetic bearing - Google Patents
Energy-saving permanent magnet biased magnetic bearing Download PDFInfo
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- CN104565036A CN104565036A CN201310469617.3A CN201310469617A CN104565036A CN 104565036 A CN104565036 A CN 104565036A CN 201310469617 A CN201310469617 A CN 201310469617A CN 104565036 A CN104565036 A CN 104565036A
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- permanent magnet
- axial
- stator
- radial
- silicon steel
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses an energy-saving permanent magnet biased magnetic bearing, and relates to a bearing. The bearing includes axial stators (1), a radial control coil (2), a permanent magnet (3), axial control coils (4), a rotor silicon steel sheet (5) and a radial stator (7), the rotor silicon steel sheet (5) is sleeved on a rotating shaft (6), two ends of the rotor silicon steel sheet (5) are provided with the axial stators (1), the axial stators (1) are sleeved to a bearing (6), the inner sides of the axial stator (1) are provided with the axial control coils (4), the radial stator (7) is sleeved to the outer side of the rotor silicon steel sheet (5), the outer end of the radial stator (7) is provided with the radial control coil (2), the permanent magnet (3) is sleeved to the outer wall of the radial stator (7), and the rotor silicon steel sheet (5) and the axial stators (1) are respectively coated with a wear resistant coating. The energy-saving permanent magnet biased magnetic bearing has small dimension and small size, so the weight and the power consumption of a system comprising the bearing can be reduced, and the bearing is convenient to process and is simple to assemble and disassemble.
Description
Technical field
What the present invention relates to is a kind of bearing, is specifically related to a kind of energy-saving permanent magnet biased magnetic bearing.
Background technique
Magnetic suspension bearing utilizes magnetic force by rotor suspension in the air, makes do not have Mechanical Contact between rotor and stator.Its principle is that magnetic induction line becomes vertical with magnetic flotation line, axle core is parallel with magnetic flotation line, so the weight of rotor is just fixed on the track of running, utilizing is almost that non-loaded axle core is shored toward anti-magnetic flotation line direction, form whole rotor unsettled, on fixing running rails.
Magnetic suspension bearing kind is a lot, and magnetic bearing is generally divided into active bearings, passive bearing and combined bearing three class, but the size of magnetic bearing at present is on the market comparatively large, and volume is heavy, and weight is large, adds the weight of system, power consumption.
Summary of the invention
For the deficiency that prior art exists, the present invention seeks to be to provide a kind of energy-saving permanent magnet biased magnetic bearing, its own dimensions is little, compact, and system can reduce the weight of system, power consumption, easy to process, and handling are simple.
To achieve these goals, the present invention realizes by the following technical solutions: energy-saving permanent magnet biased magnetic bearing, comprise axial stator, radial control coil, permanent magnet, axial control coil, rotor silicon steel plate and radial stator, rotor silicon steel plate is socketed in rotating shaft, rotor silicon steel plate two ends are provided with axial stator, axial stator and bearing socket-connect, axial control coil is provided with inside axial stator, radial stator is socketed with outside rotor silicon steel plate, radial stator outer end is provided with radial control coil, radial stator outer wall is socketed with permanent magnet, in described rotor silicon steel plate and axial stator, all coating has wear resistant coating.
According to above-mentioned energy-saving permanent magnet biased magnetic bearing, wherein, described radial stator and axial stator outer end are provided with positioning aluminium circle, and positioning aluminium circle is arranged on axial stator the inner.
According to above-mentioned energy-saving permanent magnet biased magnetic bearing, wherein, described rotor silicon steel plate adopts shaft shoulder location.
According to above-mentioned energy-saving permanent magnet biased magnetic bearing, wherein, described coating is aluminium oxide.
According to above-mentioned energy-saving permanent magnet biased magnetic bearing, wherein, described rotating shaft is provided with radiating fin.
According to above-mentioned energy-saving permanent magnet biased magnetic bearing, wherein, described axial control coil and radial control coil are equipped with metallic paint layer.
Own dimensions of the present invention is little, compact, and system can reduce the weight of system, power consumption, easy to process, and handling are simple.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
With reference to Fig. 1, this embodiment is by the following technical solutions: energy-saving permanent magnet biased magnetic bearing, comprise axial stator 1, radial control coil 2, permanent magnet 3, axial control coil 4, rotor silicon steel plate 5 and radial stator 7, rotor silicon steel plate 5 is socketed in rotating shaft 6, rotor silicon steel plate 5 two ends are provided with axial stator 1, axial stator 1 and bearing 6 socket-connect, axial control coil 4 is provided with inside axial stator 1, radial stator 7 is socketed with outside rotor silicon steel plate 5, radial stator 7 outer end is provided with radial control coil 2, radial stator 7 outer wall is socketed with permanent magnet 3, in described rotor silicon steel plate 5 and axial stator 1, all coating has wear resistant coating.
It should be noted that described radial stator 7 and axial stator 1 outer end are provided with positioning aluminium circle 8, and positioning aluminium circle 8 is arranged on axial stator 1 the inner.Described rotor silicon steel plate 5 adopts the shaft shoulder to locate.
It should be noted that described coating is aluminium oxide.
It should be noted that described rotating shaft 6 is provided with radiating fin.
It should be noted that and described axial control coil 4 and radial control coil 2 are equipped with metallic paint layer.
The rotor silicon steel plate 5 of this embodiment is directly located with the shaft shoulder, need not Design Orientation bearing housing, radial control coil 2 is wound in the teeth groove of radial stator 7, axial control coil 4 is then directly around on the boss in axial stator 1, coiling simple possible, axial stator 1 connects with screw, easy to loading and unloading; Each part is all with internal-and external diameter location each other, axial then add two aluminium circles, can ensure that permanent magnet 4 and radial stator 7 are positioned at the center of whole bearing, aluminium not magnetic conduction simultaneously, therefore do not exist disturb magnetic leakage magnetic and consumption magnetic phenomenon, axial stator 1 is arranged to step-like, is convenient to and magnetic bearing excircle orientation and assembling.
This embodiment own dimensions is little, compact, and system can reduce the weight of system, power consumption, easy to process, and handling are simple.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. an energy-saving permanent magnet biased magnetic bearing, it is characterized in that, comprise axial stator (1), radial control coil (2), permanent magnet (3), axial control coil (4), rotor silicon steel plate (5) and radial stator (7), rotor silicon steel plate (5) is socketed in rotating shaft (6), rotor silicon steel plate (5) two ends are provided with axial stator (1), axial stator (1) and bearing (6) socket-connect, axial stator (1) inner side is provided with axial control coil (4), rotor silicon steel plate (5) outside is socketed with radial stator (7), radial stator (7) outer end is provided with radial control coil (2), radial stator (7) outer wall is socketed with permanent magnet (3), described rotor silicon steel plate (5) and the upper equal coating of axial stator (1) have wear resistant coating.
2. energy-saving permanent magnet biased magnetic bearing according to claim 1, it is characterized in that, described radial stator (7) and axial stator (1) outer end are provided with positioning aluminium circle (8), and positioning aluminium circle (8) is arranged on axial stator (1) the inner.
3. energy-saving permanent magnet biased magnetic bearing according to claim 1, is characterized in that, described rotor silicon steel plate (5) adopts shaft shoulder location.
4. energy-saving permanent magnet biased magnetic bearing according to claim 1, is characterized in that, described coating is aluminium oxide.
5. energy-saving permanent magnet biased magnetic bearing according to claim 1, is characterized in that, described rotating shaft (6) is provided with radiating fin.
6. energy-saving permanent magnet biased magnetic bearing according to claim 1, is characterized in that, described axial control coil (4) and radial control coil (2) are equipped with metallic paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469617.3A CN104565036A (en) | 2013-10-10 | 2013-10-10 | Energy-saving permanent magnet biased magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469617.3A CN104565036A (en) | 2013-10-10 | 2013-10-10 | Energy-saving permanent magnet biased magnetic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104565036A true CN104565036A (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310469617.3A Pending CN104565036A (en) | 2013-10-10 | 2013-10-10 | Energy-saving permanent magnet biased magnetic bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN104565036A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139693A (en) * | 2018-10-23 | 2019-01-04 | 珠海格力电器股份有限公司 | Hybrid magnetic suspension thrust bearing |
| CN110017330A (en) * | 2019-04-22 | 2019-07-16 | 南京埃克锐特机电科技有限公司 | A kind of axial-radial electromagnetic type magnetic bearing |
| CN110748562A (en) * | 2019-09-17 | 2020-02-04 | 南京航空航天大学 | Surrounding permanent magnet biased axial-radial magnetic suspension bearing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009014083A (en) * | 2007-07-03 | 2009-01-22 | Jtekt Corp | Bearing device and centrifugal compressor having the same |
| CN102305242A (en) * | 2011-08-15 | 2012-01-04 | 江苏大学 | Radial-axial three-degree-of-freedom alternating current-direct current hybrid magnetic bearing |
| CN202946543U (en) * | 2012-11-08 | 2013-05-22 | 毛栋磊 | Permanent magnet biased magnetic bearing |
-
2013
- 2013-10-10 CN CN201310469617.3A patent/CN104565036A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009014083A (en) * | 2007-07-03 | 2009-01-22 | Jtekt Corp | Bearing device and centrifugal compressor having the same |
| CN102305242A (en) * | 2011-08-15 | 2012-01-04 | 江苏大学 | Radial-axial three-degree-of-freedom alternating current-direct current hybrid magnetic bearing |
| CN202946543U (en) * | 2012-11-08 | 2013-05-22 | 毛栋磊 | Permanent magnet biased magnetic bearing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139693A (en) * | 2018-10-23 | 2019-01-04 | 珠海格力电器股份有限公司 | Hybrid magnetic suspension thrust bearing |
| WO2020082615A1 (en) * | 2018-10-23 | 2020-04-30 | 珠海格力电器股份有限公司 | Mixed-type magnetic levitation thrust bearing |
| CN109139693B (en) * | 2018-10-23 | 2022-11-18 | 珠海格力电器股份有限公司 | Hybrid magnetic suspension thrust bearing |
| CN110017330A (en) * | 2019-04-22 | 2019-07-16 | 南京埃克锐特机电科技有限公司 | A kind of axial-radial electromagnetic type magnetic bearing |
| CN110748562A (en) * | 2019-09-17 | 2020-02-04 | 南京航空航天大学 | Surrounding permanent magnet biased axial-radial magnetic suspension bearing |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |