CN205882957U - Electromagnetic suspension bearing of flywheel energy storage ware - Google Patents
Electromagnetic suspension bearing of flywheel energy storage ware Download PDFInfo
- Publication number
- CN205882957U CN205882957U CN201620586270.XU CN201620586270U CN205882957U CN 205882957 U CN205882957 U CN 205882957U CN 201620586270 U CN201620586270 U CN 201620586270U CN 205882957 U CN205882957 U CN 205882957U
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- China
- Prior art keywords
- flywheel
- bearing
- electromagnetic
- electromagnetic suspension
- suspension bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model discloses a two stator electromagnetic suspension bearing of flywheel energy storage ware, flywheel lead to the axle both ends and are equipped with the permanent magnetism lantern ring respectively, and the casing is fixed with corresponding electromagnetic bearing stator core and the coil of the permanent magnetism lantern ring that leads to the axle both ends respectively with the flywheel, the permanent magnetism lantern ring and electromagnetic bearing stator core and loop formation electromagnetic suspension bearing, and the end cover at casing both ends is equipped with the speed bearing who supports the flywheel and lead to the corresponding axle head of axle respectively. The electromagnetic suspension bearing has the function characteristics rotatory with adapting to the flywheel hypervelocity of stabilizing the flywheel and leading to axle spatial position and make its suspension. This electromagnetic suspension bearing has simple structure, acts on the outstanding advantage that is showing.
Description
Technical field
This utility model belongs to flywheel energy storage device, particularly relates to the electromagnetic suspension bearing of a kind of flywheel energy storage device.
Background technology
The application for a patent for invention ' bimorph transducer alternating current motor flywheel power accumulator ' of application number CN201010573714.3 discloses
Techniques below scheme: a kind of bimorph transducer alternating current motor flywheel power accumulator, flywheel upper and lower side axle is provided with the first high-speed bearing, and each first
High-speed bearing has supported upper and lower jackshaft respectively, and each upper and lower jackshaft is respectively equipped with the second high-speed bearing, each second high-speed bearing
Being respectively supported at case inside upper and lower end face, described flywheel upper and lower end face symmetry is inlayed and is fixed with annular permanent magnet rotor, and annular is forever
Magnet rotor upper and lower end face is magnetic pole, and two rotor same polarities are relative, and described case inside upper and lower end face is respectively equipped with and respective annular
The stator core being made up of circular ferrite that p-m rotor is corresponding, housing is provided with the binding post connecting each stator winding, respectively
Stator core and stator winding thereof respectively constitute exchange disc type electric machine with corresponding rotor.This accumulator is driven by exchanging disc type electric machine
Dynamic flywheel, overcomes unidirectional current brush sliding contact disadvantage, but uses double high-speed bearing series arrangement, be only capable of making flywheel with twice
Running up most in high-speed bearing.
Summary of the invention
The purpose of this utility model is the double high-speed bearing strings in order to solve aforementioned bimorph transducer alternating current motor flywheel power accumulator
Linking structure is only capable of making flywheel to double the technical problem run up most of high-speed bearing, and provides a kind of simple in construction
The electromagnetic suspension bearing of bimorph transducer exchange flywheel energy storage device.
This utility model takes techniques below scheme for achieving the above object: the electromagnetic suspension axle of bimorph transducer flywheel energy storage device
Hold, including the annular permanent magnet rotor that the housing of bimorph transducer flywheel energy storage device, flywheel, flywheel axis, flywheel upper and lower end face are symmetrical, two
Annular permanent magnet rotor same polarity is relative；Stator core corresponding with respective annular p-m rotor respectively and stator winding thereof are constituted
Flywheel stator, feature is, flywheel axis both ends are respectively equipped with the permanent magnetism collar, housing be fixed with respectively with flywheel axis two ends
Electromagnetic bearing stator core that the permanent magnetism collar in portion is corresponding and coil, the permanent magnetism collar and electromagnetic bearing stator core and coil structure
Becoming electromagnetic suspension bearing, the end cap at housing two ends is respectively equipped with the high-speed bearing of the corresponding axle head of support flying wheel axis.
This utility model may also take on techniques below measure:
The electromagnetic bearing shape at described flywheel axis both ends is identical, positional symmetry.
Its cylindrical of high-speed bearing of described flywheel axis two axial ends and the fit clearance of end cap are 0.4 to 0.5mm.
The beneficial effects of the utility model and advantage are: the electromagnetic suspension bearing of this bimorph transducer flywheel energy storage device is by permanent magnetism
The collar and magnetic bearing stator core and coil are constituted, and have stable flywheel axis locus and the function that makes it suspend.Due to
The opposite face of two annular permanent magnet rotor of this bimorph transducer flywheel energy storage device is same polarity, and rotor stress balance causes flywheel permissible
Be in ultrahigh speed rotate " suspensions " state, the friction-free characteristics of electromagnetic suspension bearing be adapted to this ultrahigh speed rotation and favourable
Significantly improving in Speed of Reaction Wheels.This electromagnetic suspension bearing has simple in construction, acts on significant outstanding advantages.
Accompanying drawing explanation
Accompanying drawing 1 is example structure generalized section.
Label in figure: 1 shell body, 2 inner housings, 3 end caps, 4 high-speed bearings, the 5 permanent magnetism collars, 6 magnetic bearing stator cores, 7
Coil, 8 flywheel stators, 9 annular permanent magnet rotor, 10 flywheels, 11 flywheel axises.
Detailed description of the invention
This utility model is further illustrated below in conjunction with embodiment and accompanying drawing thereof.
Embodiment as shown in Figure 1, bimorph transducer flywheel energy storage device is constituted supportive body by shell body 1, inner housing 2 and end cap 3,
Being fixed on the flywheel 10 upper and lower end face symmetry of flywheel axis 11 to inlay and be fixed with annular permanent magnet rotor 9, annular permanent magnet rotor is upper and lower
End face is magnetic pole, and two annular permanent magnet rotor same polarities are relative, and inner housing 2 upper and lower end face is respectively equipped with and respective annular p-m rotor
The 9 corresponding flywheel stators 8 being made up of circular ferrite stator core, stator winding, each flywheel stator 8 and corresponding annular
P-m rotor respectively constitutes exchange disc type electric machine.Flywheel axis 11 both ends are respectively equipped with the permanent magnetism collar 5, and inner housing 2 is fixed with
Electromagnetic bearing stator core 6 corresponding with the permanent magnetism collar 5 at flywheel axis both ends respectively and coil 7, the permanent magnetism collar 5 and electricity
Magnetic bearing stator core 6 and coil 7 constitute electromagnetic suspension bearing.
The end cap 3 at shell body 1 two ends is respectively equipped with the high-speed bearing 4 of the corresponding axle head of support flying wheel axis 11, high-speed bearing 4
Its outer shroud and supporter i.e. end cap 3 fit clearance are 0.4 to 0.5mm.High-speed bearing 4 can avoid electromagnetic suspension bearing generation machine
Thorax swept by tool, has moment centralizing function, meanwhile, when flywheel ultrahigh speed rotates, and high-speed bearing 4 under the effect of electromagnetic suspension bearing
Outer shroud and end cap 3 can completely disengage from and be more beneficial for the ultrahigh speed of flywheel and rotate.
The electromagnetic suspension bearing shape at the flywheel axis both ends of Fig. 1 embodiment is identical, positional symmetry.
Claims (3)
1. the electromagnetic suspension bearing of bimorph transducer flywheel energy storage device, leads to including the housing of bimorph transducer flywheel energy storage device, flywheel, flywheel
Axle, the annular permanent magnet rotor of flywheel upper and lower end face symmetry, two annular permanent magnet rotor same polarities are relative；Respectively with respective annular permanent magnetism
Stator core that rotor is corresponding and the flywheel stator that stator winding is constituted thereof, it is characterised in that: flywheel axis both ends are respectively
Being provided with the permanent magnetism collar, housing is fixed with electromagnetic bearing stator core corresponding with the permanent magnetism collar at flywheel axis both ends respectively
And coil, the permanent magnetism collar constitutes electromagnetic suspension bearing with electromagnetic bearing stator core and coil, and the end cap at housing two ends sets respectively
There is the high-speed bearing of the corresponding axle head of support flying wheel axis.
Electromagnetic suspension bearing the most according to claim 1, it is characterised in that: the electromagnetic bearing at described flywheel axis both ends
Shape is identical, positional symmetry.
Electromagnetic suspension bearing the most according to claim 1, it is characterised in that: the high-speed bearing of described flywheel axis two axial ends
Its cylindrical is 0.4 to 0.5mm with the fit clearance of end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620586270.XU CN205882957U (en) | 2016-06-14 | 2016-06-14 | Electromagnetic suspension bearing of flywheel energy storage ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620586270.XU CN205882957U (en) | 2016-06-14 | 2016-06-14 | Electromagnetic suspension bearing of flywheel energy storage ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882957U true CN205882957U (en) | 2017-01-11 |
Family
ID=57692306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620586270.XU Active CN205882957U (en) | 2016-06-14 | 2016-06-14 | Electromagnetic suspension bearing of flywheel energy storage ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882957U (en) |
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2016
- 2016-06-14 CN CN201620586270.XU patent/CN205882957U/en active Active
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