CN2250596Y - High speed motor for flywheel battery - Google Patents
High speed motor for flywheel battery Download PDFInfo
- Publication number
- CN2250596Y CN2250596Y CN 95227629 CN95227629U CN2250596Y CN 2250596 Y CN2250596 Y CN 2250596Y CN 95227629 CN95227629 CN 95227629 CN 95227629 U CN95227629 U CN 95227629U CN 2250596 Y CN2250596 Y CN 2250596Y
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Abstract
The utility model relates to a high-speed electric motor for flywheel batteries. The utility model is a high-speed brushless direct current electric power generator which is arranged in a high-vacuum shell body and is supported by a magnetic suspension bearing. The magnetic path of the electric motor is radical. A rotor is composed of a permanent magnetism magnet pole which is arranged in the inner cavity of a flywheel, an inner rotor which is stacked by insulation high silicon iron sheets, and a rotation shaft. A stator adopts a sealing ring which is made of non-ferromagnetic material. A conductor of a stator winding forms a tube shape. And the conductor of the stator winding is woven by a plurality of thin insulation copper wires. The interior of the conductor is communicated with air or liquid to be cooled. The electric motor has no excitation power consumption, when the electromechanical energy is converted, the iron consumption and the copper consumption of the utility model are little, and the efficiency of the electric motor is very high. When the utility model rotates at high speed, the no-load consumption is small, and the kinetic energy of the flywheel is stored for a long time.
Description
The utility model belongs to motor, be a kind of high-speed brushless direct-current electronic-generator, be used for energy accumulation device for fly wheel.
Flying wheel battery is a kind of electromechanical energy conversion device.It can convert electric energy to the kinetic energy of the flywheel of high speed rotating, and long term storage is got up; Also can convert the kinetic energy of the flywheel of high speed rotating to electric energy uses.Therefore flying wheel battery should have the characteristic of high efficiency motor and generator concurrently with high-speed electric expreess locomotive.
The brshless DC motor of prior art, rotor are the ferromagnet that permanent magnetism magnetic pole is housed, and stator winding is placed in the stator core or is fixed on the inner surface of stator iron yoke.Adopt radially magnetic structure or axial magnetic circuit structure, make motor rotation by position transducer and electric drive circuit.When moving, provide direct current to load by the bridge rectifier circuit as the generator state.Under the situation of general rotating speed (30,000 rev/mins of low sons), can adopt rolling bearing.This motor when the energy storage state of flywheel high speed rotating, in stator iron yoke produces ferromagnetic loss because the permanent magnetism magnetic pole of rotor with respect to stator iron yoke high speed rotating, makes as the high-speed electric expreess locomotive of flying wheel battery, so that the kinetic energy when having consumed flywheel no-load running.Produce ferromagnetic loss when avoiding no-load running, flying wheel battery can adopt asynchronous machine or switched reluctance machines with high-speed electric expreess locomotive, but when doing the operation of generator state, again all must additional excitation winding, thus increased the exciting power loss.
The purpose of this utility model provides a kind of high-speed electric expreess locomotive that is used for flying wheel battery, and it is bearing in magnetic suspension bearing in the high vacuum housing of sealing and moves, and has the characteristic of high-efficiency electric motor and generator concurrently, is adapted at using in the energy accumulation device for fly wheel.
The utility model flying wheel battery high-speed electric expreess locomotive, its main building block comprises rotor, stator, magnetic suspension bearing, flywheel, sealed electrical connector, seal casinghousing, heat-exchange device.
This motor adopts radially magnetic structure, and rotor portion is made up of internal rotor, external rotor, non-magnetic conduction terminal pad and rotating shaft; External rotor is made up of magnetic conduction sleeve and permanent magnetism magnetic pole, is fixed in the endoporus of flywheel; Internal rotor adopts the folded system of the high silicon sheet iron of tape insulation to form, and at the internal rotor diameter hour, also can replace with the sleeve of high silicon steel rod; Non-magnetic conduction terminal pad connects internal rotor, external rotor, and fixes with rotating shaft; Flywheel is to be entwined by high strength glass fiber or carbon fiber, to guarantee that rotating part is in the right mechanical strength of high speed rotating and the requirement of rigidity.
This motor stator is for being not the seal stator ring with the circular seal of ferromagnetic material, and it and is fixed on the stator support between the internal rotor and external rotor of motor, and by the standing part of stator support with housing formation motor; In the seal stator ring stator winding is housed, the conductor that stator winding adopts is that the copper cash braiding by the very thin tape insulation of multiply forms, conductor is shape in a tubular form, can pass through gas or liquid in the conductor, and position detecting element and phase-detecting element also are housed in the seal stator ring.Stator winding leading-out terminal in the seal stator ring is connected with the female terminal of sealed electrical connector with lead by the pad on the stator support; The tubular shape conductor of stator winding leading-out terminal is connected with heat-exchange device by the conduit in the stator support in the seal stator ring.
Magnetic suspension bearing in the seal casinghousing of the utility model motor is made up of magnetic suspension upper bearing (metal) and magnetic suspension lower bearing.Magnetic suspension bearing can adopt the electromagnetic type magnetic suspension bearing of prior art, the superconduction formula magnetic suspension bearing that also can adopt permanent magnet and high temperature superconducting materia to form.The standing part of magnetic suspension bearing is connected with housing, and the rotating part of magnetic suspension bearing is connected with rotating shaft, and keeps certain magnetic suspension gap between the standing part of magnetic suspension bearing and movable part.
The heat radiation of stator winding can be with solving by gas or liquid cools in tubular shape conductor, and tubular shape conductor links to each other with seal casinghousing heat-exchange device outward.
Fig. 1 is the utility model flying wheel battery high-speed electric expreess locomotive schematic diagram.
Describe summary of the invention of the present utility model and embodiment in detail below in conjunction with the accompanying drawing illustrated embodiment.
The utility model flying wheel battery is with an embodiment of high-speed electric expreess locomotive as shown in Figure 1, and the rotating part in its radial air gap magnetic field is made up of internal rotor 2, external rotor 4, non-magnetic conduction terminal pad 3, rotating shaft 9 and flywheel 10.Wherein external rotor 4 is made up of the magnetic conduction sleeve 13 of high permeability material and the permanent magnetism magnetic pole 14 of high energy product, and the inner surface of magnetic conduction sleeve 13 is equipped with permanent magnetism magnetic pole 14.In this high-speed electric expreess locomotive, adopt a pair of magnetic pole.And then external rotor 4 is placed among the endoporus of flywheel 10.Internal rotor 2 is to be made by the high silicon sheet iron of tape insulation or high silicon steel rod, and is enclosed within the rotating shaft 9.Non-magnetic conduction terminal pad 3 is fixing with rotating shaft 9, and internal rotor 2 and external rotor 4 are fused.High-intensity glass fibre of flywheel 10 usefulness or carbon fiber are entwined, and are sleeved on outside the external rotor 4, with guarantee rotating part when the high speed rotating mechanical strength and the requirement of rigidity.Permanent magnetism magnetic pole 14 in the external rotor 4 is two tile-shaped permanent magnetic steels, can adopt the samarium-cobalt alloy of high energy product or Nd-Fe-Bo permanent magnet material to make.
Magnetic suspension bearing is divided into magnetic suspension upper bearing (metal) 1 and 8 liang of groups of magnetic suspension lower bearing.The standing part of magnetic suspension bearing is connected with housing 11, and rotating part is connected with rotating shaft 9.And between the standing part and movable part of magnetic suspension bearing, keep certain magnetic suspension gap.
Seal stator ring 5 and is fixed on the stator support 7 between the internal rotor 2 and external rotor 4 of motor, by stator support 7 and the housing 11 common standing parts that constitute motors.Stator winding is among seal stator ring 5, and the conductor of stator winding forms with the copper cash braiding of the very thin tape insulation of multiply, and the diameter of its bare copper wire is the 0.01-0.015 millimeter.Conductor can pass through gas or liquid in the conductor in a tubular form.And press the star-like connected mode of three-phase and constitute stator winding with this tubular shape conductor.The leading-out terminal of the stator winding in the seal stator ring 5 is connected with the terminal of socket in the sealed electrical connector 6 with lead by the pad in the stator support 7, and communicates with the electronic drive circuit and the dc constant voltage output circuit of brush-less Dc motor-generator by the plug of sealed electrical connector.
The utility model is actually a kind of high-speed brushless direct-current electronic-generator, the difference of the brshless DC motor of it and prior art also is; Among seal stator ring 5, position detecting element not only is housed, and phase-detecting element is housed.If because have only position detecting element in the system, as photoelectric cell or Hall element, because their hysteresis effect, rotor can't make the electronic drive circuit operate as normal with respect to the position of stator winding during down to high speed in the time of can't accurately determining high speed rotating.Among seal stator ring 5 of the present utility model, phase-detecting element is housed,, thereby can controls the electric drive circuit, make it operate as normal by it because it can detect the phase difference value between stator winding and the rotor exactly.Like this, utilize position detecting element to realize motor start-up and low speed (below 30,000 rev/mins) running, and after rotating speed raises, be automatically converted to phase control, thereby guaranteed the high-speed cruising of brush-less Dc motor-generator.
The tubular shape conductor of the stator winding leading-out terminal in the seal stator ring 5 communicates with the heat exchanger 12 of prior art by the pipeline in the stator support 7.Adopting existing hot swapping, can be the circulation with gas or liquid, the heat that produces in the stator winding is taken away, and by heat-exchange device 12 heat is dispersed into the external world.Also can adopt novel vapor cooling system, this type of cooling is among the tubular shape conductor with sub-cooled liquid input stator winding, by the gasification of liquid the heat that produces in the stator winding to be taken away.In the time of on the position of heat-exchange device 12 places seal stator ring 5, can be designed to the heat-exchange device of self-loopa.
Adopt high-speed brushless direct-current of the present utility model electronic-generator forms the electromechanical energy conversion device of flying wheel battery, realized flywheel motor iron-free magnetic loss when speed no-load and high turns round, and other loss also goes to zero, and can preserve the kinetic energy of flywheel so for a long time.When energy converting between mechanical, motor does not have the exciting power loss, and copper loss and iron loss are all very little, thereby has the characteristic of high-efficiency electric motor and generator concurrently.The flying wheel battery of high speed rotating is compared with chemical cell, and have the output energy and compare greatly with own wt, and the big advantage of instantaneous output.It can be used in and replace chemical cell in the electric automobile, is a kind of energy source device of free of contamination cleaning.Wide application and development prospect is arranged.
Claims (3)
1. flying wheel battery high-speed electric expreess locomotive, its formation comprises seal casinghousing, magnetic suspension bearing, the rotor that links to each other with rotating shaft, with the stator that the standing part of motor fuses, sealed electrical connector and heat-exchange device is characterized in that:
(1) internal rotor in the rotor and external rotor are magnetic structure radially, and external rotor is made up of magnetic conduction sleeve and permanent magnetism magnetic pole, and internal rotor adopts the folded system of the high silicon sheet iron of tape insulation to form; Connect internal rotor and external rotor with non-magnetic conduction terminal pad, and fix with rotating shaft; Flywheel sleeve is entwined by high strength glass fiber or carbon fiber on external rotor;
(2) stator, and is fixed on the stator support between internal rotor and external rotor for being not the seal stator ring with the annulus seal of ferromagnetic material, it and the standing part of stator support and housing formation motor; In the seal stator ring stator winding is housed, the conductor that stator winding adopts is the pipe dress, is formed by the copper cash braiding of the very thin tape insulation of multiply, can pass through gas or liquid in the conductor, and position detecting element and phase-detecting element also are housed in the seal stator ring;
(3) the stator winding leading-out terminal among the seal stator ring is connected with the female terminal of sealed electrical connector with lead by the pad on the stator support; The tubular shape conductor of stator winding leading-out terminal is connected with heat-exchange device by the conduit in the stator support.
2. flying wheel battery high-speed electric expreess locomotive as claimed in claim 1, the permanent magnetism magnetic pole that it is characterized in that external rotor is a pair of utmost point, this permanent magnetism magnetic pole is made with the high energy product permanent magnetic material.
3. flying wheel battery high-speed electric expreess locomotive as claimed in claim 1 is characterized in that internal rotor is the sleeve that adopts high silicon steel rod to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95227629 CN2250596Y (en) | 1995-12-15 | 1995-12-15 | High speed motor for flywheel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95227629 CN2250596Y (en) | 1995-12-15 | 1995-12-15 | High speed motor for flywheel battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2250596Y true CN2250596Y (en) | 1997-03-26 |
Family
ID=33873416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95227629 Expired - Fee Related CN2250596Y (en) | 1995-12-15 | 1995-12-15 | High speed motor for flywheel battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2250596Y (en) |
Cited By (24)
| 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 |
| CN100380787C (en) * | 2003-10-10 | 2008-04-09 | 日产自动车株式会社 | Magnetic circuit structure for rotary electric machine |
| CN100381719C (en) * | 2006-03-29 | 2008-04-16 | 北京航空航天大学 | Energy-storing flywheel system with magnetic suspension for spacecraft |
| CN101860115A (en) * | 2010-06-09 | 2010-10-13 | 浙江工业大学 | High-strength fiber flywheel and manufacturing method thereof |
| CN101986547A (en) * | 2010-09-28 | 2011-03-16 | 林海山 | Combined motor |
| CN1876959B (en) * | 2005-06-08 | 2011-08-03 | 上海磁浮交通工程技术研究中心 | Method and apparatus for cooling levitating magnet of low-speed magnetic levitation vehicle |
| CN102570749A (en) * | 2011-11-30 | 2012-07-11 | 深圳市配天电机技术有限公司 | Magnetic levitation energy storage flywheel motor, generator, motor and wind driven generator |
| CN102570704A (en) * | 2011-11-30 | 2012-07-11 | 深圳市配天电机技术有限公司 | Collateral motor system, generator system and motor system |
| CN102055265B (en) * | 2009-11-04 | 2013-05-29 | 建准电机工业股份有限公司 | Inner rotor type motor |
| CN103795200A (en) * | 2012-10-31 | 2014-05-14 | 丰田自动车株式会社 | Manufacturing method of segment coil |
| CN104410204A (en) * | 2014-11-28 | 2015-03-11 | 江苏大学 | Novel flywheel energy storage device |
| CN105358824A (en) * | 2013-09-18 | 2016-02-24 | 柳超 | Method of using elastic potential energy apparatus with elastic power generation replenishing flywheel battery energy |
| 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 |
| CN105358822A (en) * | 2013-09-18 | 2016-02-24 | 黄捷 | Elastic potential energy apparatus with elastic power generation replenishing flywheel battery energy |
| CN105358825A (en) * | 2013-09-18 | 2016-02-24 | 张淑萍 | Gravitational potential energy apparatus with gravitational power generation replenishing flywheel battery energy and application method thereof |
| CN105526160A (en) * | 2014-10-16 | 2016-04-27 | 德昌电机(深圳)有限公司 | Gear pump |
| CN106602788A (en) * | 2016-12-29 | 2017-04-26 | 江苏大学 | Spherical electric vehicle magnetic suspension flywheel battery |
| CN106641154A (en) * | 2015-11-03 | 2017-05-10 | 熵零股份有限公司 | Angular momentum transmission |
| CN106641155A (en) * | 2015-10-31 | 2017-05-10 | 熵零股份有限公司 | Speed changing method utilizing angular momentum and angular momentum speed changer thereof |
| CN109780985A (en) * | 2019-03-14 | 2019-05-21 | 苏州赛得尔智能科技有限公司 | A kind of magnetic suspension bearing micro-displacement detection device |
| WO2019192188A1 (en) * | 2018-04-03 | 2019-10-10 | 南京工程学院 | Axial phase-split permanent bearingless switched reluctance flywheel motor with sleeve pole shoe gear |
| CN111049315A (en) * | 2018-10-12 | 2020-04-21 | 财团法人工业技术研究院 | Flywheel energy storage system |
| WO2022002667A1 (en) * | 2020-06-30 | 2022-01-06 | Adaptive Balancing Power GmbH | Integrated stator device for an electric machine of a flywheel energy storage system |
-
1995
- 1995-12-15 CN CN 95227629 patent/CN2250596Y/en not_active Expired - Fee Related
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100380787C (en) * | 2003-10-10 | 2008-04-09 | 日产自动车株式会社 | Magnetic circuit structure for rotary electric machine |
| CN1876959B (en) * | 2005-06-08 | 2011-08-03 | 上海磁浮交通工程技术研究中心 | Method and apparatus for cooling levitating magnet of low-speed magnetic levitation vehicle |
| 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 |
| CN100381719C (en) * | 2006-03-29 | 2008-04-16 | 北京航空航天大学 | Energy-storing flywheel system with magnetic suspension for spacecraft |
| CN102055265B (en) * | 2009-11-04 | 2013-05-29 | 建准电机工业股份有限公司 | Inner rotor type motor |
| CN101860115A (en) * | 2010-06-09 | 2010-10-13 | 浙江工业大学 | High-strength fiber flywheel and manufacturing method thereof |
| CN101986547A (en) * | 2010-09-28 | 2011-03-16 | 林海山 | Combined motor |
| CN102570749A (en) * | 2011-11-30 | 2012-07-11 | 深圳市配天电机技术有限公司 | Magnetic levitation energy storage flywheel motor, generator, motor and wind driven generator |
| CN102570704A (en) * | 2011-11-30 | 2012-07-11 | 深圳市配天电机技术有限公司 | Collateral motor system, generator system and motor system |
| CN103795200A (en) * | 2012-10-31 | 2014-05-14 | 丰田自动车株式会社 | Manufacturing method of segment coil |
| CN105358822A (en) * | 2013-09-18 | 2016-02-24 | 黄捷 | Elastic potential energy apparatus with elastic power generation replenishing flywheel battery energy |
| CN105358824A (en) * | 2013-09-18 | 2016-02-24 | 柳超 | Method of using elastic potential energy apparatus with elastic power generation replenishing flywheel battery energy |
| CN105358825A (en) * | 2013-09-18 | 2016-02-24 | 张淑萍 | Gravitational potential energy apparatus with gravitational power generation replenishing flywheel battery energy and application method thereof |
| CN105526160A (en) * | 2014-10-16 | 2016-04-27 | 德昌电机(深圳)有限公司 | Gear pump |
| CN104410204B (en) * | 2014-11-28 | 2017-01-18 | 江苏大学 | Flywheel energy storage device |
| CN104410204A (en) * | 2014-11-28 | 2015-03-11 | 江苏大学 | Novel flywheel energy storage device |
| CN106641155A (en) * | 2015-10-31 | 2017-05-10 | 熵零股份有限公司 | Speed changing method utilizing angular momentum and angular momentum speed changer thereof |
| CN106641154A (en) * | 2015-11-03 | 2017-05-10 | 熵零股份有限公司 | Angular momentum transmission |
| 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 |
| 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 |
| WO2019192188A1 (en) * | 2018-04-03 | 2019-10-10 | 南京工程学院 | Axial phase-split permanent bearingless switched reluctance flywheel motor with sleeve pole shoe gear |
| AU2018417306B2 (en) * | 2018-04-03 | 2021-08-12 | Nanjing Institute Of Technology | Axial phase-split permanent bearingless switched reluctance flywheel motor with sleeve pole shoe gear |
| CN111049315A (en) * | 2018-10-12 | 2020-04-21 | 财团法人工业技术研究院 | Flywheel energy storage system |
| CN109780985A (en) * | 2019-03-14 | 2019-05-21 | 苏州赛得尔智能科技有限公司 | A kind of magnetic suspension bearing micro-displacement detection device |
| WO2022002667A1 (en) * | 2020-06-30 | 2022-01-06 | Adaptive Balancing Power GmbH | Integrated stator device for an electric machine of a flywheel energy storage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |