CN1547310A - A floating flywheel battery - Google Patents

A floating flywheel battery Download PDF

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Publication number
CN1547310A
CN1547310A CNA200310118907XA CN200310118907A CN1547310A CN 1547310 A CN1547310 A CN 1547310A CN A200310118907X A CNA200310118907X A CN A200310118907XA CN 200310118907 A CN200310118907 A CN 200310118907A CN 1547310 A CN1547310 A CN 1547310A
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China
Prior art keywords
flywheel
shell
spherical
suspending
self
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CNA200310118907XA
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CN1253990C (en
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康龙云
李海滨
曹秉刚
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN 200310118907 priority Critical patent/CN1253990C/en
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Publication of CN1253990C publication Critical patent/CN1253990C/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids

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  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention is a kind of suspending flywheel battery, which includes a supporting bracket and a semicircle flywheel shell on the bracket and the arc flywheel end cover matching with the flywheel shell, the centre of the flywheel sets a ball stator, the inner wall of the fly wheel sets an air wedge forming device or magnetic polar, there also sets a semicircle self-tight ball shell for forming the ball suspending flywheel on the air wedge forming device or the magnetic polar, and the ball cavity rotor and energy storing device set on the self-tight ball shell. The invention uses gas dynamic pressure bearing or magnetism suspending theory, the ball suspending flywheel suspends automatically, centres adjusting automatically, and has no contact with the flywheel base, in order to reduce the friction.

Description

A kind of suspending flywheel battery
Technical field
The present invention relates to the mechanical energy of a kind of vehicle or other dynamic power machines and the no axle energy accumulation device for fly wheel that electric energy is changed mutually, particularly a kind of suspending flywheel battery.
Background technology
Because the battery that is adopted on flying wheel battery and other motor vehicles is compared, has the energy density height, volume is little, light weight, the characteristics that life-span is long, pay close attention to and be subjected to domestic and international more and more researchers, but the flying wheel battery that is applied on the vehicle still is in the starting stage, the flywheel of more typical energy accumulation device for fly wheel is installed on the flywheel shaft at present, the flywheel shaft two ends by bearing fixing on free wheel base, be diversion wheel shaft rotation of flywheel, and the flywheel that is applied on the vehicle all is that the axle design is arranged, when motor vehicles during at road traveling, owing to start, suddenly stop, turn, and when climb and fall or Uneven road, often cause the change in flywheel shaft orientation in the accumulated energy flywheel, thereby inevitably can cause gyroscopic effect; When travelling on the highway section that vehicle is bad through the road conditions of being everlasting or the city is busy, can therefore make flywheel shaft on constraint direction, be subjected to very big gyroscopic couple, thereby make flywheel shaft or flywheel bearing be subjected to very big additonal pressure, even can flywheel bearing be destroyed because of additonal pressure is excessive, and it still be the possible vibration source of system vibration.Conventional mentality of designing thinks that gyroscopic effect is unavoidable, therefore all be from adopting new material or new manufacture craft with angle fatigue life that the increases flywheel shaft solution of starting with, even so, because present technology limitation, adopt the vehicle of flying wheel battery still can not travel, thereby limited its extensive use on dynamic power machine in the relatively poor highway section of road conditions.
Summary of the invention
The object of the present invention is to provide a kind of suspending flywheel battery that can eliminate the gyroscopic effect of the flying wheel battery of using on the vehicle.
For achieving the above object, the technical solution used in the present invention is: comprise bracing frame and be arranged on the semicircular flywheel shell on the bracing frame and match with flywheel shell and circular arc flywheel end cap, the common cavity structure that forms of flywheel shell and flywheel end cap, be characterized in, the centre of sphere that the central authorities of flywheel end cap are provided with spherical stator and spherical stator keeps overlapping with the inner chamber centre of sphere of flywheel shell, inwall at flywheel shell is provided with gas wedge shape apparatus for converting or magnetic pole, also be provided with semicircular self-tightening spherical shell on gas wedge shape apparatus for converting or magnetic pole, the self-tightening spherical shell has constituted the spherical suspending flywheel with corresponding locational spherical cavity rotor of spherical stator and energy storage body jointly with being arranged on the self-tightening spherical shell.
Another characteristics of the present invention are: the bottom center of spherical suspending flywheel is fixed with circular counterweight; Distance is less than the distance between spherical stator outer surface and the spherical cavity rotor inner surface between the outer surface of self-tightening spherical shell and the inner surface of flywheel shell; Gas wedge shape apparatus for converting is one flexible or tilts watt; The bottom of flywheel shell offers the water conservancy diversion air admission hole, and the top of flywheel end cap offers the water conservancy diversion steam vent; The inwall spraying plating of gentle wedge shape apparatus for converting of self-tightening spherical shell or magnetic pole or post Al 2O 3, Cr 2O 3, WC, Co, BeO and refractory ceramics high hard alloy protective material.
Because the present invention is designed to sphere with the profile of flywheel, and adopt aero dynamic bearing or maglev principle, make flywheel self-suspending, automatic aligning when rotated, contactless with free wheel base, reducing friction, and be one with flywheel generator/motor and flywheel design, generator/motor is designed to sphere, make the flywheel can be, thereby eliminated flywheel when road traveling because the gyroscopic effect that vehicle is produced around the arbitrarily angled rotation of the stator centre of sphere.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are described in further detail.
Referring to Fig. 1,2, the present invention's bracing frame 8 be provided with semicircular flywheel shell 6 and match with flywheel shell 6 and circular arc flywheel end cap 1, flywheel shell 6 and the flywheel end cap 1 common cavity structure that forms, the centre of sphere that the central authorities of flywheel end cap 1 are provided with spherical stator 2 and spherical stator 2 keeps overlapping with the inner chamber centre of sphere of flywheel shell 6, inwall at flywheel shell 6 is provided with flexible or tilt watt gas wedge shape apparatus for converting or magnetic pole 10, also be provided with semicircular self-tightening spherical shell 5 on gas wedge shape apparatus for converting or the magnetic pole 10, self-tightening spherical shell 5 has constituted the spherical suspending flywheel with spherical stator 2 corresponding locational spherical cavity rotors 3 and energy storage body 4 jointly with being arranged on the self-tightening spherical shell 5, self-tightening spherical shell 5 is to heat-treat in the spherical shell course of processing, make this spherical shell after processing, have residual stress, the working stress that produces when this residual stress is rotated with spherical shell is opposite, when the spherical suspending flywheel rotates, working stress on the self-tightening spherical shell 5 that is connected with the spherical suspending flywheel can be offset one one or all, thereby can improve the rotating speed of spherical suspending flywheel.When it rotates, spherical suspending flywheel surface interacts with gas wedge shape apparatus for converting that is fixed on flywheel shell 6 inwalls or magnetic pole 10, form gas pressure or magnetic force, make it be suspended in flywheel shell 6 inside, and carry out automatic aligning, make the centre of sphere of this flywheel keep overlapping with the centre of sphere of spherical stator 2, spherical stator 2 and spherical cavity rotor 3 be owing to contacting or collision that the effect of magnetic force takes place when preventing that flywheel from rotating, between the inner surface of the outer surface of self-tightening spherical shell 5 and flywheel shell 6 apart from less than the distance between spherical stator 2 outer surfaces and spherical cavity rotor 3 inner surfaces.And in the inwall spraying plating of the gentle wedge shape apparatus for converting of outer surface of the self-tightening spherical shell 5 of flywheel or magnetic pole 10 or post the high hard alloy protective material.For keeping flywheel stability in the running itself, and make flywheel when high speed, not be subjected to the influence of vehicle operating as far as possible, bottom center at spherical flywheel is fixed with circular counterweight 7, is used for the magnetic force between spherical stator 2 of balance and the spherical cavity rotor 3, prevent upward to collision.With the air supporting mode time, produce vacuum in the flywheel bottom when preventing the flywheel high speed rotating, influence air flotation effect, simultaneously the also heat of generation when taking away the flywheel rotation, have water conservancy diversion air admission hole 9 in the bottom of flywheel shell 6, the top of flywheel end cap 1 offers water conservancy diversion steam vent 11.
The present invention's spherical stator 2 after feeding electric current drives the rotation of spherical suspending flywheel; after reaching certain speed; be located at flexible of flywheel shell 6 inwalls or tilt watt gas wedge shape apparatus for converting 10 and spherical suspending flywheel generation gas wedge itself; make the rotation that suspends of spherical suspending flywheel; spraying plating or post the high hard alloy material on the gas wedge shape apparatus for converting 10 of the outer surface of the self-tightening spherical shell 5 of spherical suspending flywheel and flywheel shell 6 inwalls, can prevent the spherical suspending flywheel vehicle anxious stop or other motion suddenly in the collision that takes place.Because the interaction between spherical suspending flywheel and the gas wedge shape apparatus for converting 10, the spherical suspending flywheel can be realized automatic aligning in flywheel shell 6.Above-mentioned method is applicable to the situation than low velocity, when high speed more, employing is provided with the alternative flywheel inwall of some magnetic poles on flywheel shell 6 gas wedge generation device suspends the spherical suspending flywheel, and flywheel shell 6 inside are evacuated, to reduce the vapour lock effect.After adopting this design, because the spherical suspending flywheel is not for there being the axle design, and in running, be in suspended state, thereby the spherical suspending flywheel can be around the 2 arbitrarily angled rotations of centre of sphere stator, and do not influence its performance, when the vehicle operating of this flywheel is installed, no matter how vehicle travels, jolts, flywheel can keep original running status constant, thereby has not had the influence of gyroscopic effect to free wheel base and vehicle.

Claims (7)

1, a kind of suspending flywheel battery, comprise bracing frame [8] and be arranged on the semicircular flywheel shell [6] on the bracing frame [8] and match with flywheel shell [6] and circular arc flywheel end cap [1], flywheel shell [6] forms a cavity structure jointly with flywheel end cap [1], it is characterized in that: the centre of sphere that the central authorities of flywheel end cap [1] are provided with spherical stator [2] and spherical stator [2] keeps overlapping with the inner chamber centre of sphere of flywheel shell [6], inwall at flywheel shell [6] is provided with gas wedge shape apparatus for converting or magnetic pole [10], on gas wedge shape apparatus for converting or magnetic pole [10], also be provided with semicircular self-tightening spherical shell [5], self-tightening spherical shell [5] be arranged on self-tightening spherical shell [5] and go up with corresponding locational spherical cavity rotor of spherical stator [2] [3] and energy storage body [4] and constituted the spherical suspending flywheel jointly.
2, suspending flywheel battery according to claim 1 is characterized in that: the bottom center of said spherical suspending flywheel is fixed with circular counterweight [7].
3, suspending flywheel battery according to claim 1 is characterized in that: distance is less than the distance between spherical stator [2] outer surface and spherical cavity rotor [3] inner surface between the inner surface of the outer surface of said self-tightening spherical shell [5] and flywheel shell [6].
4, suspending flywheel battery according to claim 1 is characterized in that: said gas wedge shape apparatus for converting [10] is one flexible or tilts watt.
5, suspending flywheel battery according to claim 1 is characterized in that: the bottom of said flywheel shell [6] offers water conservancy diversion air admission hole [9], and the top of flywheel end cap [1] offers water conservancy diversion steam vent [11].
6, suspending flywheel battery according to claim 1 is characterized in that: the inwall spraying plating of gentle wedge shape apparatus for converting of said self-tightening spherical shell [5] or magnetic pole [10] or post the high hard alloy protective material.
7, suspending flywheel battery according to claim 6 is characterized in that: said high hardness alloy protective material is Al 2O 3, Cr 2O 3, WC, Co, BeO and refractory ceramics.
CN 200310118907 2003-12-08 2003-12-08 A floating flywheel battery Expired - Fee Related CN1253990C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200310118907 CN1253990C (en) 2003-12-08 2003-12-08 A floating flywheel battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200310118907 CN1253990C (en) 2003-12-08 2003-12-08 A floating flywheel battery

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CN1547310A true CN1547310A (en) 2004-11-17
CN1253990C CN1253990C (en) 2006-04-26

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100352138C (en) * 2005-10-13 2007-11-28 西安交通大学 High pressure gas support flying wheel battery
CN100359783C (en) * 2005-10-13 2008-01-02 西安交通大学 Micro pressure gas support flying wheel battery
CN103427538A (en) * 2013-08-27 2013-12-04 三峡大学 Magnetic suspension supporting device for flywheel battery
CN103758577A (en) * 2014-01-07 2014-04-30 中国科学院电工研究所 Superconducting-ball-rotor rotary driving device
CN106602788A (en) * 2016-12-29 2017-04-26 江苏大学 Spherical electric vehicle magnetic suspension flywheel battery
CN109149843A (en) * 2018-09-25 2019-01-04 哈尔滨工业大学 A kind of air bearing rotor bearing-free motor of slot wedge ventilation
CN110061587A (en) * 2019-04-16 2019-07-26 江苏大学 A kind of shaftless free wheels energy storage device of self-evacuating vacuum using composite molecular pump

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100352138C (en) * 2005-10-13 2007-11-28 西安交通大学 High pressure gas support flying wheel battery
CN100359783C (en) * 2005-10-13 2008-01-02 西安交通大学 Micro pressure gas support flying wheel battery
CN103427538A (en) * 2013-08-27 2013-12-04 三峡大学 Magnetic suspension supporting device for flywheel battery
CN103427538B (en) * 2013-08-27 2015-10-21 三峡大学 Flywheel battery magnetic suspension supporting arrangement
CN103758577A (en) * 2014-01-07 2014-04-30 中国科学院电工研究所 Superconducting-ball-rotor rotary driving device
CN106602788A (en) * 2016-12-29 2017-04-26 江苏大学 Spherical electric vehicle magnetic suspension flywheel battery
CN106602788B (en) * 2016-12-29 2019-02-05 江苏大学 A kind of spherical shape magnetic suspending flying wheel battery for electric vehicle
CN109149843A (en) * 2018-09-25 2019-01-04 哈尔滨工业大学 A kind of air bearing rotor bearing-free motor of slot wedge ventilation
CN110061587A (en) * 2019-04-16 2019-07-26 江苏大学 A kind of shaftless free wheels energy storage device of self-evacuating vacuum using composite molecular pump
CN110061587B (en) * 2019-04-16 2021-02-12 江苏大学 Self-vacuumizing shaftless double-flywheel energy storage device adopting composite molecular pump

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Granted publication date: 20060426

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