CN105896878A - Magnetic switching apparatus for permanent magnet driven high-temperature superconducting flywheel energy storage system - Google Patents
Magnetic switching apparatus for permanent magnet driven high-temperature superconducting flywheel energy storage system Download PDFInfo
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- CN105896878A CN105896878A CN201610369390.9A CN201610369390A CN105896878A CN 105896878 A CN105896878 A CN 105896878A CN 201610369390 A CN201610369390 A CN 201610369390A CN 105896878 A CN105896878 A CN 105896878A
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- low temperature
- vacuum chamber
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- thin
- clutch plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
Disclosed is a magnetic switching apparatus for a permanent magnet driven high-temperature superconducting flywheel energy storage system. A thin-wall dewar (12) is positioned right above a driven disc (3) of a magnetic coupler, and between the inner top wall of a vacuum cavity (5) and the driven disc (3); the thin-wall dewar (12) is parallel to the driving disc (2) and the driven disc (3) of the magnetic coupler, and is coaxial and concentric to the driving disc (2) and the driven disc (3) of the magnetic coupler; gaps are pre-formed among the thin-wall dewar (12), the inner top wall of the vacuum cavity (5) and the driven disc (3) of the magnetic coupler; a high-temperature superconducting thin film (13) is positioned in the thin-wall dewar (12), and tightly adhered to the inner bottom surface of the thin-wall dewar (12); a low-temperature liquid-inlet interface (10) and a low-temperature liquid-outlet interface (11) are formed in the two ends of the thin-wall dewar (12), and are connected with a low-temperature liquid-inlet pipe (8) and a low-temperature liquid-outlet pipe (9) respectively; the other ends of the low-temperature liquid-inlet pipe (8) and the low-temperature liquid-outlet pipe (9) extend out of the vacuum cavity to be connected with a liquid-inlet control valve (6) and a liquid-outlet control valve (7); and fixed brackets (14) are positioned in the vacuum cavity to support the magnetic switching apparatus.
Description
Technical field
The present invention relates to the magnetic force breaking device of a kind of permanent magnetic drive high temperature superconductive flywheel energy storage system.
Background technology
Conventional high temperature superconduction flywheel energy storage system (HTSFESS) uses hts magnetic levitation bearing, utilizes super-conductive magnetic suspension former
Reason, it is achieved the self-stabilization of flywheel rotor suspends, and reduces spin friction resistance, eliminates the suspending power of conventional electromagnetic suspension system
Control system, improves system effectiveness.But, owing to motor uses integrated design with flywheel head shaft, flywheel keeps at energy
Stage rotor rotates consumed energy along with flywheel, produces open circuit loss;Electric machine built-in needs in vacuum chamber, motor stator simultaneously
Want cooling system.These restraining factors cause the reduction of system effectiveness and the increase of operating cost, therefore propose a kind of permanent magnetism and drive
Dynamic high temperature superconductive flywheel energy storage system.
Magnetic driving technology is combined by permanent magnetic drive high temperature superconductive flywheel energy storage system with high temperature superconductive flywheel energy storage system, by magnetcisuspension
Suspension flywheel and motor are respectively placed in inside and outside vacuum chamber, and motor shaft and flywheel head shaft transmit torque by Magnetic driving, it is achieved completely isolated.
Magnetic force breaking device, i.e. magnetic shield switch is installed additional between Magnetic driving system driving disc spacing pressing and clutch plate.When energy-storage system is in charging
When state i.e. accelerates flywheel, magnetic force breaking device turns off, Magnetic driving system normal delivery torque;Shape is kept when system transfers energy to
When state i.e. accelerates flywheel to rated speed, magnetic force breaking device Guan Bi blocks the magnetic coupling between driving disc spacing pressing and clutch plate, thus hinders
The two torque transmission disconnected, it is achieved motor is kept completely separate with flywheel head shaft, thus eliminates energy and keep the open circuit loss of stage motor,
Electric machine external also eliminates electromotor cooling system simultaneously, reduces operating cost, improves system effectiveness.
Can be seen that from the feature of above-mentioned permanent magnetic drive high temperature superconductive flywheel energy storage system, the magnetic force technology of cut-offfing is to eliminate empty load of motor to damage
Consumption, improves system effectiveness, it is achieved one of most critical technology of long-term energy storage.The magnetic force technology of cut-offfing has claimed below: (1) reliability
High, it is possible to long-term stable operation;(2) response rapidly, responds the fastest then open circuit loss the least;(3) shield effectiveness is good, leaks
Magnetic then can not block magnetic coupling completely;(4) device is easily achieved, and driving disc spacing pressing is less with clutch plate gap, limited space.
Only have the mechanisms such as Tokyo railway technology academy, superconductor technology research laboratory the most in the world and combine the document delivered
In be referred to a kind of high temperature superconductive flywheel energy storage system using non-contact permanent magnetic magnetic coupling, motor is placed in vacuum chamber
Outward, flywheel energy storage system is placed in vacuum chamber, relies on magnetic couple between permanent magnetic disk to realize torque transmission.This magnetic coupling is actively
Dish and clutch plate all use permanent magnetic disk, utilize the repulsion between permanent magnet and suction to produce torque, and not mentioned magnetic force cut-off technology and
Its device.
Patent CN101719699B is mounted with permanent magnet clutch between flywheel energy storage system motor shaft and flywheel head shaft, i.e. magnetic force
Bonder, transmits torque by magnetic coupling, but whether not mentioned motor is placed in outside vacuum chamber, be also not directed to magnetic force cut-off technology and
Its device.
Summary of the invention
It is an object of the invention to overcome prior art to keep the long-term power consumption of stage motor idle running, inefficiency, it is difficult to long due to energy
The shortcoming of phase energy storage.The magnetic force breaking device of a kind of permanent magnetic drive high temperature superconductive flywheel energy storage system is proposed.The present invention can eliminate energy
The empty load of motor loss in amount holding stage, saves energy, improves system effectiveness, it is achieved the long-term energy storage of flywheel energy storage system.
The present invention utilizes the special nature Meisser effect of superconductor: perfect diamganetism, block magnetic coupling driving disc spacing pressing and from
Magnetic field coupling between Moving plate, blocks the transmission of torque, it is achieved motor separates with flywheel head shaft.
The present invention is by the following technical solutions:
Permanent magnetic drive high temperature superconductive flywheel energy storage system includes electromotor or motor, magnetic coupling driving disc spacing pressing, magnetic coupling
Clutch plate, vacuum chamber, flywheel, superconducting magnetic bearing system and magnetic force breaking device etc..Whole superconduction flywheel energy storage system right angle setting,
Being topmost electromotor or motor, electromotor or motor shaft end connect magnetic coupling driving disc spacing pressing, electromotor or motor and magnetic
Mechanical couple driving disc spacing pressing is positioned at outside vacuum chamber.The underface of driving disc spacing pressing is vacuum chamber, reserved mm between driving disc spacing pressing and vacuum chamber
Level gap.Magnetic coupling clutch plate, flywheel and main shaft thereof, superconducting magnetic bearing system, magnetic force breaking device are respectively positioned in vacuum chamber.
Magnetic force breaking device is between vacuum chamber inner roof wall and clutch plate, and clutch plate is positioned at the underface of magnetic force breaking device, with magnetic force
The coaxial concentric of bonder driving disc spacing pressing, the lower surface of clutch plate and flywheel head shaft are fixing to be connected, flywheel and superconducting magnetic bearing system be positioned at from
Below Moving plate.
Permanent magnetic drive high temperature superconductive flywheel energy storage system magnetic coupling is made up of driving disc spacing pressing and clutch plate, and driving disc spacing pressing is positioned at vacuum chamber
Outward, the underface of driving disc spacing pressing is vacuum chamber, and clutch plate is positioned at vacuum chamber, and driving disc spacing pressing is the most positioned opposite with clutch plate, actively
The lower surface of dish is parallel with the upper surface of clutch plate, leaves minimal clearance between two end faces.Magnetic force breaking device of the present invention is positioned at
Between inner roof wall and the clutch plate of magnetic coupling of permanent magnetic drive high temperature superconductive flywheel energy storage system vacuum chamber, and with driving disc spacing pressing and
Clutch plate end face keeping parallelism.
Described magnetic force breaking device includes: thin-walled Dewar, low temperature feed liquor interface, low temperature go out liquid interface, low temperature feed tube, low
Temperature drain pipe, liquid inlet control valve, go out hydraulic control valve, high-temperature superconducting thin film, and fixed support.
Described liquid inlet control valve, go out hydraulic control valve and be positioned at outside vacuum chamber, described low temperature feed tube and low temperature drain pipe one
Dividing and be positioned at outside vacuum chamber, another part is positioned at vacuum chamber.Thin-walled Dewar, low temperature feed liquor interface, low temperature go out liquid interface, height
Temp. superconductive thin film, and fixed support is respectively positioned on vacuum chamber.
Described thin-walled Dewar is dish or disc cavity, be positioned at the surface of clutch plate, vacuum chamber inner roof wall and clutch plate it
Between.The end face of thin-walled Dewar is parallel with the end face of the end face of magnetic coupling driving disc spacing pressing, magnetic coupling clutch plate, coaxial with circle
The heart;It is reserved with gap between thin-walled Dewar and vacuum chamber inner roof wall and magnetic coupling clutch plate.Thin-walled Dewar is that fiberglass etc. is non-
Metal material is made, to avoid eddy-current loss.The two ends of thin-walled Dewar have low temperature feed liquor interface and low temperature to go out liquid interface respectively, low
Temperature feed liquor interface connects with low temperature feed tube, and low temperature goes out liquid interface and connects with low temperature drain pipe.Described high-temperature superconducting thin film is ellipse
Circular or circular, it is positioned in thin-walled Dewar and is close to thin-walled Dewar bottom interior wall.High-temperature superconducting thin film is yttrium system thin film, bismuth
Being thin film or thallium series film, the substrate of high-temperature superconducting thin film is that nonmetallic materials make, such as MgO, Al2O3Or ZrO2.Institute
The low temperature feed liquor interface stated is positioned at the liquid feeding end of vacuum chamber thin-walled Dewar, is used for connecting low temperature feed tube and thin-walled Dewar;Low temperature
Go out liquid interface and be positioned at the liquid outlet of vacuum chamber thin-walled Dewar, be used for connecting low temperature drain pipe and thin-walled Dewar.
Two fixed supports are respectively positioned in vacuum chamber, are used for supporting whole magnetic force breaking device.Low temperature feed liquor interface and low temperature go out liquid
Interface is individually fixed in two support bracket fastened one end, and two support bracket fastened other ends are fixed on vacuum chamber inwall.Feed tube
A part is positioned at vacuum chamber, and another part is positioned at outside vacuum chamber, is positioned at low temperature feed tube and the low temperature feed liquor interface of vacuum chamber
Being connected, the low temperature feed tube being positioned at outside vacuum chamber is connected with liquid inlet control valve, is used for carrying the sub-cooled liquid such as liquid nitrogen.
A part for low temperature drain pipe is positioned at vacuum chamber, and another part is positioned at outside vacuum chamber, be positioned at the low temperature drain pipe of vacuum chamber with
Low temperature goes out liquid interface and is connected, and the low temperature drain pipe being positioned at outside vacuum chamber is connected with going out hydraulic control valve, is used for carrying liquid nitrogen etc. low
Temperature cooling liquid.Liquid inlet control valve is positioned at outside vacuum chamber, is Liquid valve structure, is used for controlling cooling liquid flow velocity or flow.
Go out hydraulic control valve to be positioned at outside vacuum chamber, be Liquid valve structure, be used for controlling cooling liquid flow velocity or flow.
When flywheel energy storage system be in charged state i.e. accelerate flywheel time, by regulation liquid inlet control valve and go out hydraulic control valve, discharge
Cryogenic refrigeration liquid in thin-walled Dewar, so control high-temperature superconducting thin film be in the state of quenching, i.e. magnetic force breaking device in turn off shape
State, the magnetic field that driving disc spacing pressing produces may pass through superconducting thin film, and driving disc spacing pressing and clutch plate transmit torque by magnetic coupling.When accelerating flywheel
To rated speed i.e. permanent magnetic drive high temperature superconductive flywheel energy storage system transfers energy hold mode to time, by regulation liquid inlet control valve and
Go out hydraulic control valve, in thin-walled Dewar, inject rapidly enough cryogenic refrigeration liquid, and then control high-temperature superconducting thin film is in rapidly super
Lead state, i.e. magnetic force breaking device is closure state, utilizes the perfect diamganetism i.e. Meisser effect of superconducting thin film, blocks magnetic field
Through superconducting thin film, i.e. block the magnetic coupling between driving disc spacing pressing and clutch plate, thus blocked the torque of driving disc spacing pressing and clutch plate
Transmission, it is achieved motor is kept completely separate with flywheel head shaft, and motor can be closed down, eliminates energy and keeps the empty load of motor loss in stage,
Improve running efficiency of system.
The present invention utilizes the perfect diamganetism i.e. Meisser effect of superconductor, is in superconducting state by controlling superconducting thin film or quenches
State turns off or closes the flux path between master and slave Moving plate, it is achieved motor separates with flywheel head shaft, apparatus structure and control letter thereof
It is single, it is easy to accomplish, it is adaptable to the radial mode of permanent magnetic drive or axialmode high temperature superconductive flywheel energy storage system.
Accompanying drawing explanation
Fig. 1 magnetic force breaking device structural representation;
Fig. 2 magnetic force breaking device structure front view;
Fig. 3 magnetic force breaking device structure top view.
Detailed description of the invention
Fig. 1 is the example structure schematic diagram of present invention magnetic force based on high-temperature superconducting thin film material breaking device.As it is shown in figure 1,
This magnetic force breaking device includes: liquid inlet control valve 6, go out hydraulic control valve 7, low temperature feed tube 8, low temperature drain pipe 9, low temperature enter
Liquid interface 10, low temperature go out liquid interface 11, thin-walled Dewar 12,13,2 fixed supports 14 of high-temperature superconducting thin film.
Permanent magnetic drive high temperature superconductive flywheel energy storage system include electromotor or motor 1, magnetic coupling driving disc spacing pressing 2, vacuum chamber 5,
Magnetic coupling clutch plate 3, flywheel head shaft 4, magnetic force breaking device 6-14 etc..Flywheel energy storage system right angle setting, electromotor
Or motor 1 is positioned at topmost, the axle head of electromotor or motor 1 connects magnetic coupling driving disc spacing pressing 2, electromotor or electronic
Machine 1 and magnetic coupling driving disc spacing pressing 2 are positioned at the outside of vacuum chamber 5.Magnetic coupling clutch plate 3, flywheel head shaft 4, magnetic force
Breaking devices etc. are positioned at the inside of vacuum chamber 5.Magnetic force breaking device of the present invention be positioned at vacuum chamber 5 inner roof wall and magnetic coupling from
Between Moving plate 3, the underface of magnetic force breaking device is magnetic coupling clutch plate 3, magnetic force breaking device and magnetic coupling master
The end face of Moving plate 2, and the end face of magnetic force breaking device thin-walled Dewar 13 is parallel, coaxial concentric.Magnetic coupling is driven
The lower surface of dish 3 is fixing with flywheel head shaft 4 to be connected.Described magnetic force breaking device is positioned at vacuum chamber 5 inner roof wall and magnetic couple
Between device clutch plate 3.Thin-walled Dewar 12 be dish or disc cavity, be positioned at magnetic coupling clutch plate 3 surface,
Between vacuum chamber 5 inner roof wall and clutch plate 3, end face is kept to put down with magnetic coupling driving disc spacing pressing 2, magnetic coupling clutch plate 3
OK, it is reserved with minimum between coaxial concentric, and thin-walled Dewar 12 and vacuum chamber 5 inner roof wall and magnetic coupling clutch plate 3
Gap.High-temperature superconducting thin film 13 is positioned at thin-walled Dewar 12, and is close to the inner bottom surface of thin-walled Dewar 12, thin-walled Dewar 12
Two ends have low temperature feed liquor interface 10, low temperature to go out liquid interface 11, and low temperature feed liquor interface 10 is connected with low temperature feed tube 8, low temperature
Going out liquid interface 11 to be connected with low temperature drain pipe 9, low temperature feed tube 8 and low temperature drain pipe 9 are stretched out by vacuum chamber preformed hole
Outside vacuum chamber, respectively with liquid inlet control valve 6, go out hydraulic control valve 7 and be connected, low temperature feed liquor interface 10 and low temperature go out liquid interface
One end of 11 is individually fixed in one end of two fixed supports 14, and two support bracket fastened other ends are fixed on the inwall of vacuum chamber.
Described liquid inlet control valve 6, going out hydraulic control valve 7 and be positioned at outside vacuum chamber 5, part low temperature feed tube 8, part low temperature go out liquid
Pipe 9 also is located at outside vacuum chamber 5.Thin-walled Dewar 12, high-temperature superconducting thin film 13, low temperature feed liquor interface 10, low temperature go out liquid and connect
Mouth 11, fixed support 14 are respectively positioned in vacuum chamber 5, on clutch plate 3 top, and are close to vacuum chamber 5 inner roof wall.Thin-walled is shut out
Watts 12, high-temperature superconducting thin film 13, low temperature feed liquor interface 10, low temperature go out liquid interface 11, fixed support 14 and clutch plate 3
Upper surface leaves certain interval.
High-temperature superconducting thin film 13 uses yttrium system thin film, bismuth system thin film or thallium series film, the substrate of high-temperature superconducting thin film 13 be MgO,
Al2O3And ZrO2Make etc. nonmetallic materials, MgO, Al2O3And ZrO2Yttrium system, bismuth system or thallium etc. non metallic substrate
System high-temperature superconducting thin-film material, uses the physical technology method depositions such as evaporation, sputtering to form.High-temperature superconducting thin film 13 uses epoxy
Resin is bonded at the bottom of thin-walled Dewar 12.Thin-walled Dewar 12 is made up of nonmetallic materials such as fiberglass, with low temperature feed liquor interface 10
Go out liquid interface 11 to be connected with low temperature, seam epoxy sealing.
Low temperature feed tube 8 and low temperature feed liquor interface 10 are made up of metal material, and welding procedure is passed through in one end of low temperature feed tube 8
Being connected with low temperature feed liquor interface 10, the other end of low temperature feed tube 8 stretches out vacuum chamber 5 by the preformed hole of vacuum chamber 5, and enters
Hydraulic control valve 6 connects.Low temperature drain pipe 9 and low temperature go out liquid interface 11 and are made up of metal material, one end of low temperature drain pipe 9
Going out liquid interface 11 by welding procedure with low temperature to be connected, the other end of low temperature drain pipe 9 is stretched out by the preformed hole of vacuum chamber 5
Vacuum chamber 5, is connected with going out hydraulic control valve 7.Vacuum chamber 5 preformed hole is positioned at vacuum chamber sidewall, with low temperature feed tube 8, low temperature
Drain pipe 9 position is corresponding.Low temperature feed tube 8, low temperature drain pipe 9 are passed in vacuum chamber 5 by this preformed hole, interface
Encapsulation process is done at place.Liquid inlet control valve 6 and go out hydraulic control valve 7 for cryogenic liquid flow control valve, respectively with low temperature feed tube 8
It is connected with low temperature drain pipe 9.Fixed support 14 is used for fixing whole magnetic force breaking device, makes for metal material, one end
Going out liquid interface 11 respectively to fix with low temperature feed liquor interface 10 and low temperature, the other end is welded in vacuum chamber 5 inwall.
Fig. 2 is magnetic force breaking device structural side view based on high-temperature superconducting thin film material.Fig. 3 is based on high-temperature superconducting thin film material
The magnetic force breaking device structure top view of material.As shown in Figure 2 and Figure 3, thin-walled Dewar 12 is butterfly or disc cavity body structure,
High-temperature superconducting thin film 13 is also circular or dish-shaped thin film, is positioned at thin-walled Dewar and is affixed on thin-walled Dewar 12 bottom interior wall.Magnetic force
Breaking device, especially thin-walled Dewar 12 and driving disc spacing pressing 2, clutch plate 3 three's end face keeping parallelism, coaxial.
Claims (2)
1. a magnetic force breaking device for permanent magnetic drive high temperature superconductive flywheel energy storage system, described permanent magnetic drive high-temperature superconductor flies
Wheel energy-storage system include electromotor or motor (1), magnetic coupling driving disc spacing pressing (2), vacuum chamber (5), magnetic coupling from
Moving plate (3), flywheel head shaft (4) and magnetic force breaking device;Flywheel energy storage system right angle setting, electromotor or motor (1)
Being positioned at topmost, the axle head of electromotor or motor (1) connects magnetic coupling driving disc spacing pressing (2), electromotor or motor (1)
With the outside that magnetic coupling driving disc spacing pressing (2) is positioned at vacuum chamber (5);Magnetic coupling clutch plate (3), flywheel head shaft (4)
Inside with magnetic force breaking device is positioned at vacuum chamber (5), is characterized in that: described magnetic force breaking device is positioned at vacuum chamber (5)
Between inner roof wall and magnetic coupling clutch plate (3), the underface of magnetic force breaking device is magnetic coupling clutch plate (3);
Magnetic force breaking device is parallel with the end face of magnetic coupling driving disc spacing pressing (2), coaxial concentric;Magnetic coupling clutch plate (3)
Lower surface and flywheel head shaft (4) fixing be connected;
Described magnetic force breaking device include liquid inlet control valve (6), go out hydraulic control valve (7), low temperature feed tube (8), low temperature go out
Liquid pipe (9), low temperature feed liquor interface (10), low temperature go out liquid interface (11), thin-walled Dewar (12), high-temperature superconducting thin film (13),
And 2 fixed supports (14);
Described thin-walled Dewar (12) is dish or disc cavity, is positioned at the surface of magnetic coupling clutch plate (3),
Between vacuum chamber (5) inner roof wall and clutch plate (3);The end face of thin-walled Dewar (12) and magnetic coupling driving disc spacing pressing (2)
End face, magnetic coupling clutch plate (3) end face parallel, coaxial concentric;Thin-walled Dewar (12) and vacuum chamber (5)
It is reserved with gap between inner roof wall and magnetic coupling clutch plate (3);High-temperature superconducting thin film (13) is positioned at thin-walled Dewar (12)
In, it is close to the inner bottom surface of thin-walled Dewar (12);The two ends of thin-walled Dewar (12) have low temperature feed liquor interface (10), low temperature to go out
Liquid interface (11), low temperature feed liquor interface (10) connects with low temperature feed tube (8), and low temperature goes out liquid interface (11) and goes out with low temperature
Liquid pipe (9) connects, and the other end of low temperature feed tube (8) and low temperature drain pipe (9) stretches out vacuum by vacuum chamber preformed hole
Chamber (5) outward, respectively with liquid inlet control valve (6) and go out hydraulic control valve (7) and be connected;Low temperature feed liquor interface (10) and low temperature
Going out liquid interface (11) and be individually fixed in one end of two fixed supports (14), the other end of two fixed supports (14) is fixed
In the inwall of vacuum chamber, fixed support is used for supporting described magnetic force breaking device;Described liquid inlet control valve (6) and go out hydraulic control
Valve processed (7) is positioned at vacuum chamber (5) outward, thin-walled Dewar (12), high-temperature superconducting thin film (13), low temperature feed liquor interface (10),
Low temperature goes out liquid interface (11), fixed support (14) is respectively positioned in vacuum chamber (5), on clutch plate (3) top, and is close to
The inner roof wall of vacuum chamber (5);Thin-walled Dewar (12), high-temperature superconducting thin film (13), low temperature feed liquor interface (10), low temperature go out
Gap is had between the upper surface of liquid interface (11) and fixed support (14) and clutch plate (3).
The magnetic force breaking device of permanent magnetic drive high temperature superconductive flywheel energy storage system the most according to claim 1, is characterized in that:
Described high-temperature superconducting thin film (13) is ellipse or circular membrane structure, uses the yttrium system of non metallic substrate, bismuth system or thallium system
High temperature superconducting materia makes, and is pasted onto thin-walled Dewar (12) bottom interior wall with epoxy resin;High-temperature superconducting thin film (13) is used for
Block the magnetic field coupling between driving disc spacing pressing (2) and the clutch plate (3) of magnetic coupling, block the transmission of torque, it is achieved motor
Separate with flywheel head shaft.
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CN201610369390.9A CN105896878A (en) | 2016-05-30 | 2016-05-30 | Magnetic switching apparatus for permanent magnet driven high-temperature superconducting flywheel energy storage system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106253566A (en) * | 2016-08-31 | 2016-12-21 | 天津飞旋科技研发有限公司 | Separate type flywheel array energy storage system |
CN108696095A (en) * | 2018-05-18 | 2018-10-23 | 陕西师范大学 | A kind of high-temperature superconductor non-contact transmission mechanism |
CN111804212A (en) * | 2020-07-08 | 2020-10-23 | 北京中科富海低温科技有限公司 | Dewar device with magnetic stirring |
CN113972782A (en) * | 2021-10-26 | 2022-01-25 | 石家庄铁道大学 | Energy storage flywheel and high-temperature superconducting flywheel energy storage system applying same |
CN114172316A (en) * | 2021-12-13 | 2022-03-11 | 石家庄铁道大学 | Energy conversion module and high-temperature superconducting flywheel energy storage system applying same |
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JP2001041241A (en) * | 1999-07-30 | 2001-02-13 | Mitsubishi Heavy Ind Ltd | Superconductive magnetic levitation device, supercondutive power storing method, and superconductive magnetic bearing examinating method |
CN104734414A (en) * | 2015-03-26 | 2015-06-24 | 中国科学院电工研究所 | High-temperature superconductive flywheel energy storage system based on permanent magnetic drive |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001041241A (en) * | 1999-07-30 | 2001-02-13 | Mitsubishi Heavy Ind Ltd | Superconductive magnetic levitation device, supercondutive power storing method, and superconductive magnetic bearing examinating method |
CN104734414A (en) * | 2015-03-26 | 2015-06-24 | 中国科学院电工研究所 | High-temperature superconductive flywheel energy storage system based on permanent magnetic drive |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106253566A (en) * | 2016-08-31 | 2016-12-21 | 天津飞旋科技研发有限公司 | Separate type flywheel array energy storage system |
CN108696095A (en) * | 2018-05-18 | 2018-10-23 | 陕西师范大学 | A kind of high-temperature superconductor non-contact transmission mechanism |
CN111804212A (en) * | 2020-07-08 | 2020-10-23 | 北京中科富海低温科技有限公司 | Dewar device with magnetic stirring |
CN113972782A (en) * | 2021-10-26 | 2022-01-25 | 石家庄铁道大学 | Energy storage flywheel and high-temperature superconducting flywheel energy storage system applying same |
CN113972782B (en) * | 2021-10-26 | 2022-09-20 | 石家庄铁道大学 | Energy storage flywheel and high-temperature superconducting flywheel energy storage system applying same |
CN114172316A (en) * | 2021-12-13 | 2022-03-11 | 石家庄铁道大学 | Energy conversion module and high-temperature superconducting flywheel energy storage system applying same |
CN114172316B (en) * | 2021-12-13 | 2023-01-06 | 石家庄铁道大学 | Energy conversion module and high-temperature superconducting flywheel energy storage system applying same |
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