CN101051773A - Method for producing magnetic suspension flying wheel energy storage system - Google Patents
Method for producing magnetic suspension flying wheel energy storage system Download PDFInfo
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- CN101051773A CN101051773A CNA2006100254766A CN200610025476A CN101051773A CN 101051773 A CN101051773 A CN 101051773A CN A2006100254766 A CNA2006100254766 A CN A2006100254766A CN 200610025476 A CN200610025476 A CN 200610025476A CN 101051773 A CN101051773 A CN 101051773A
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- flywheel
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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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Abstract
The method keeps air pressure inside high vacuum seal housing of system in 10-4Pa, and segments tasks taken by radial shell body along axial direction, and uses proportionable materials and structures. The method centralizes materials not containing permanent magnetic material in constituting flywheel of system as well as mass onto radial outer edge of flywheel farthest. Advantages of the flywheel energy storage system are: high safety, low manufacturing cost, and adjustable output electric quantity, large capacity of stored energy, and short charging and discharging times.
Description
(1) technical field
The present invention relates to the manufacture method of energy storage system for magnetic floating flywheel.
(2) background technology
Energy storage system for magnetic floating flywheel be a kind of by the flywheel magnetic suspension in the high vacuum seal housing, rotate, to store the energy-storage system that flywheel mechanical energy replaces store electrical energy, it comprises: high vacuum seal housing, rotating shaft, magnetic bearing, flywheel and be used for external electric energy and the permanent-magnet motor apparatus of flywheel mechanical energy energy exchange.For example system is exactly an energy storage system for magnetic floating flywheel described in China Patent No. 01126564.7 or U.S. Patent number US-5214981 and the US-5124605.
Known energy storage system for magnetic floating flywheel manufacture method has following feature:
(1) the radially body of high vacuum seal housing partly adopts same material and structure in the system;
(2) air pressure range in the high vacuum seal housing is not given clearly (for example system described in the China Patent No. 01126564.7) or delimited too wide in rangely (for example system described in the U.S. Patent number US-5124605) in the system;
(3) flywheel is not to be exclusively used in store mechanical energy in the system, comprises the permanent magnetic part (for example described in China Patent No. 01126564.7 and the U.S. Patent number US-5124605) that is used for magnetic bearing and permanent-magnet motor apparatus rotor portion in its constituent material or comprises the permanent magnetic part (for example system described in the U.S. Patent number US-5214981) that is used for the permanent-magnet motor apparatus rotor portion;
(4) permanent-magnet motor apparatus belongs to DC electric machine and still belongs to the alternating current machine device and do not give clearly (in fact in the system, what system described in U.S. Patent number US-5214981 and the US-5124605 adopted is the alternating current machine device), in addition, the working gas gap between permanent-magnet motor apparatus rotor and stator immobilizes (for example system described in U.S. Patent number US-5214981 and the US-5124605) or only limits to and regulates (for example system described in the China Patent No. 01126564.7) by mobile stator armature winding;
(5) there is the device that is not provided for monitoring the flywheel rotating speed not give clearly in the system;
The device of displacement range does not give clearly when (6) having the Mechanical Contact that not is not provided with by safety to limit pivotable parts in the system to rotate.
Shortcoming such as adopt the energy storage system for magnetic floating flywheel of prior art manufacturing to have that fail safe is lower, manufacturing cost is higher, system is non-adjustable to external world's output electric weight, stored energy capacitance is little and the time that discharges and recharges is long.
(3) summary of the invention
The manufacture method that the purpose of this invention is to provide a kind of energy storage system for magnetic floating flywheel, this method can make that energy storage system for magnetic floating flywheel has safe, low cost of manufacture, system is adjustable to external world's output electric weight, stored energy capacitance big and advantage such as the time that discharges and recharges is short.
Technical scheme of the present invention is as follows:
A kind of manufacture method of energy storage system for magnetic floating flywheel, described system is made of high vacuum seal housing, rotating shaft, magnetic bearing, flywheel and permanent-magnet motor apparatus etc., and this manufacture method is characterised in that:
Air pressure in the above-mentioned high vacuum seal housing remains on 10
-4Pa;
At the above-mentioned high vacuum seal housing body part task of must bearing radially, with its axial segmentation and adopt material and the structure that matches with the task of bearing;
Above-mentioned flywheel is exclusively used in store mechanical energy, do not contain permanent magnetic material in its constituent material, it is by being used for that flywheel is fixedly connected on axle sleeve in the rotating shaft, be positioned at the inertia ring that the flywheel radially outer edge is used to increase Rotary Inertia of Flywheel, be used to improve the intensity reinforcing ring of inertia ring radial strength and between axle sleeve and inertia ring, be used for both firm formations such as support that connect at the inertia ring radially outer edge, flywheel mass is concentrated to inertia ring, described axle sleeve and support adopt engineering plastics or high-intensity fiber to strengthen the resin material manufacturing, inertia ring adopts high-tensile steel manufacturing, and the intensity reinforcing ring is twined layer by layer and formed with resin-bonding by the monofilament high-intensity fiber;
Above-mentioned permanent-magnet motor apparatus adopts DC electric machine, and the main pole of its rotor portion adopts permanent magnet excitation and is positioned in the outer rotating shaft of flywheel, and, the rotor portion of described permanent-magnet motor apparatus or controlled the moving axially of stationary part energy;
In addition, also be provided with the device that is used to limit the device of rotating shaft displacement range and is used to monitor the flywheel rotating speed in this system, the described device that is used to limit the rotating shaft displacement range is by the Mechanical Contact restriction rotating shaft displacement range of safety.
The present invention is compared with prior art progressive as follows:
One, improved the fail safe of system, reason is:
(1) can not avoid the rotating shaft (also comprising all elements in the rotating shaft certainly) of system fully in view of magnetic bearing (rigidity of magnetic bearing is limited after all) and collide the security incident that is taken place with the rotating shaft exterior part, and the present invention is provided with the device that is used to limit the rotating shaft displacement range by the Mechanical Contact of safety in system, therefore, can stop this type of security incident takes place;
(2) in view of the flywheel rotating speed if do not limited, the cracked security incident of flywheel will inevitably take place when centrifugal force surpasses flywheel constituent material stress structure, and the present invention in system, be provided with the device that is used to monitor the flywheel rotating speed and permanent-magnet motor apparatus belong to DC electric machine and rotor portion or stationary part can controlled moving axially, therefore, when flywheel reaches the limit speed of default (centrifugal force will above flywheel constituent material stress structure time), can be by the rotor portion or the stationary part of movable permanent magnet electric machine, the energy supply that stops flywheel avoiding this type of security incident to take place.
Two, reduced the manufacturing cost of system, reason is:
(1) known, same material and structure are difficult to take into account high vacuum seal the housing radially intensity and the heat sinking function requirement of body, and the present invention is when making described body part, also adopt material and the structure that matches at its task axial segmentation of bearing, then under the condition that satisfies equality strength and heat sinking function requirement, can lower the manufacturing cost of high vacuum seal housing;
Energy consumption when (2) high vacuum in the seal casinghousing is for raising flywheel rotating speed and the rotation of elimination flywheel is very necessary, and vacuum degree reaches 10
-4Pa can realize the above-mentioned functions requirement, still, and from 10
-4Pa plays magnitude of the every increase of vacuum degree, not quite vacuumizes cost for the above-mentioned functions actual gain and improves with square progression; Therefore, the present invention remains on 10 with the air pressure in the high vacuum seal housing
-4Pa (delimit the air pressure range in the high vacuum seal housing in the system too wide in range) to lower greatly the cost that vacuumizes of system compared to prior art.
Three, adjustable systems is exported electric weight to the external world, and reason is:
(1) permanent-magnet motor apparatus of the present invention adopts DC electric machine and its rotor portion or controlled the moving axially of stationary part energy, and the electromechanical energy equation of equilibrium of DC electric machine is: El=T ω, move axially rotor portion or stationary part and then can regulate electromagnetic torque T, therefore, adjustable systems of the present invention is exported electric weight to the external world.
Four, can make the big stored energy capacitance and the time that discharges and recharges than short energy storage system for magnetic floating flywheel, reason is:
(1) flywheel of the present invention is exclusively used in store mechanical energy, not containing permanent magnetic material (permanent magnetic material tensile strength is less and proportion is bigger) and quality in the flywheel constituent material concentrates to inertia ring, therefore, the moment of inertia of flywheel and limit speed are not limited by permanent magnetic part, and the stored energy capacitance of system can greatly improve;
(2) main pole of permanent-magnet motor apparatus rotor portion of the present invention adopts permanent magnet excitation and is positioned in the outer rotating shaft of flywheel, its volume is unrestricted substantially (to increase the volume of permanent magnet as need, extend axially and get final product), in other words, the power of permanent-magnet motor apparatus is unrestricted substantially, therefore, the time of discharging and recharging of system can be shorter.
The present invention is described in more detail below in conjunction with drawings and Examples.
(4) description of drawings
Accompanying drawing 1 is for using the structural representation of a kind of energy storage system for magnetic floating flywheel of the present invention;
(5) embodiment
In using one embodiment of the present of invention, a kind of energy storage system for magnetic floating flywheel structure as electric automobile power battery as shown in Figure 1: it comprises high vacuum seal housing (1), flywheel (2), rotating shaft (3), permanent-magnet motor apparatus (4), magnetic bearing (5), be used to limit the device (6) of rotating shaft displacement range and be used to monitor the device (7) of flywheel rotating speed.
Air pressure in the above-mentioned high vacuum seal housing remains on 10
-4Pa.At the high vacuum seal housing body task of partly bearing radially, it axially is divided into three sections of interconnective upper, middle and lower; Stage casing (1a) is positioned at radially outer of flywheel, and in view of flywheel rotates the characteristics that broken thing disperses toward centrifugal direction when cracked, the task that it must be born is to prevent the broken beyond the region of objective existence ease of flywheel, and in order to match with being born of task, therefore, it has adopted the high strength steel manufacturing; Epimere (1b) is connected with the stationary part of hypomere (1c) and permanent-magnet motor apparatus, the task that they must be born is the heat that produces when distributing stationary part work, in order to match with being born of task, therefore, they have adopted heat dispersion to be higher than the aluminum alloy materials manufacturing of 4 times of steel, and radial structure is a fin shape.
Above-mentioned magnetic bearing is formed by permanent magnetic part (5a) with (5b).
Above-mentioned flywheel is exclusively used in store mechanical energy, in order not to be subjected to little and heavy influence of permanent magnetic material tensile strength, do not contain permanent magnetic material in its constituent material, it is fixedly connected on flywheel axle sleeve (2a) in the rotating shaft, is positioned at inertia ring (2b) that the flywheel radially outer edge is used to increase Rotary Inertia of Flywheel, is positioned at the inertia ring radially outer edge and is used to improve the intensity reinforcing ring (2c) of inertia ring radial strength and is used for both firm support formations such as (2d) that connects between axle sleeve and inertia ring by being used for.Described axle sleeve and support adopt the carbon fiber reinforced resin material manufacturing that proportion is little and tensile strength is high (in using another embodiment of the present invention, carbon fiber reinforced resin material is used engineering plastics instead), inertia ring adopts than the great and higher steel manufacturing of tensile strength, the intensity reinforcing ring twines layer by layer and forms with resin-bonding with the high monofilament carbon fiber of tensile strength by proportion is little, and flywheel mass is concentrated to inertia ring.
The axial two ends of the rotating shaft of above-mentioned permanent-magnet motor apparatus outside flywheel respectively are provided with a cover, and they all adopt DC electric machine, and the main pole of its rotor portion adopts permanent magnet (4a) excitation and is positioned in the outer rotating shaft of flywheel, and its stationary part is armature winding (4b).The armature winding of this two covers permanent-magnet motor apparatus all can by by controller (4c), stepping motor (4d) and can be under stepping motor drives axial controlled the moving axially of displacement adjustment device (in the application another embodiment of the present invention, but controlled shaft is the permanent magnet of rotor portion to movable part) formed of the armature winding carriage (4e) of displacement.
The above-mentioned device that is used to limit the rotating shaft displacement range; form by the rigid element (6b) that is fixed on the rigid element (6a) in the rotating shaft and be fixed on the high vacuum seal housing; described rigid element adopts the copper alloy manufacturing; they all are positioned near the less rotating shaft axis oo of when rotation angular speed; their minimum axial direction and radial clearance are respectively minimum axial direction and the radial clearances between rotating shaft (comprising all elements in the rotating shaft) and rotating shaft exterior part; that is to say; the minimum axial direction of rigid element and radial clearance are exactly the scope that is used to limit the rotating shaft displacement; when the rotating shaft displacement reaches this scope; the Mechanical Contact of safety will preferentially take place in rigid element, can be because of not colliding cracked effect thereby play other parts of protection.
The above-mentioned device that is used to monitor the flywheel rotating speed is made up of the speed probe stationary part (7b) that is fixed on the speed probe rotor portion (7a) in the rotating shaft and be fixed on the high vacuum seal housing, they offer controller (4c) with the rotating speed real-time parameter that monitors, so that control armature winding (4b) moves axially, for example: when the flywheel rotating speed has reached the limit speed (the flywheel limit speed of this default is 25oooorpm) of this default or in the system stored energy phase, make stationary part armature winding withdraw the excitation field of rotor portion permanent magnet fully, prevent flywheel because of continue to quicken to damage or the dissipation flywheel on mechanical energy; Again for example: when this system need regulate the electric energy value of exporting to the external world in the discharge phase, make stationary part armature winding partly withdraw the excitation field of rotor portion permanent magnet as required, thereby regulate the electric energy value of this system to external world's output.
By the foregoing description, this professional those of ordinary skill should be able to be understood essence of the present invention and understand under the prerequisite of this essence, is not difficult the subtlety of embodiment is made various adjustment and variation.So the present invention is not limited to the foregoing description,, all belong to scope of the present invention as long as relate to the described feature of claim.
Claims (3)
1, a kind of manufacture method of energy storage system for magnetic floating flywheel, described system is made of high vacuum seal housing, rotating shaft, magnetic bearing, flywheel and permanent-magnet motor apparatus etc., and this manufacture method is characterised in that:
Air pressure in the above-mentioned high vacuum seal housing remains on 10
-4Pa;
At the above-mentioned high vacuum seal housing body part task of must bearing radially, with its axial segmentation and adopt material and the structure that matches with the task of bearing;
Above-mentioned flywheel is exclusively used in store mechanical energy, do not contain permanent magnetic material in its constituent material, it by be used for flywheel be fixedly connected on axle sleeve in the rotating shaft, the flywheel radially outer edge be used to increase Rotary Inertia of Flywheel inertia ring, be used to improve the intensity reinforcing ring of inertia ring radial strength and between axle sleeve and inertia ring, be used for both firm supports that connect etc. constitute at the inertia ring radially outer edge, flywheel mass is concentrated to inertia ring;
Above-mentioned permanent-magnet motor apparatus adopts DC electric machine, and the main pole of its rotor portion adopts permanent magnet excitation and is positioned in the outer rotating shaft of flywheel, and, the rotor portion of described permanent-magnet motor apparatus or controlled the moving axially of stationary part energy;
In addition, in this system, also be provided with the device that is used to limit the device of rotating shaft displacement range and is used to monitor the flywheel rotating speed.
2, the manufacture method of energy storage system for magnetic floating flywheel according to claim 1 is characterized in that:
The axle sleeve of described flywheel and support adopt engineering plastics or high-intensity fiber to strengthen the resin material manufacturing, and inertia ring adopts high-tensile steel manufacturing, and the intensity reinforcing ring is twined layer by layer and formed with resin-bonding by the monofilament high-intensity fiber.
3, the manufacture method of energy storage system for magnetic floating flywheel according to claim 1 is characterized in that:
The described device that is used to limit the rotating shaft displacement range is by the Mechanical Contact restriction rotating shaft displacement range of safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100254766A CN101051773A (en) | 2006-04-06 | 2006-04-06 | Method for producing magnetic suspension flying wheel energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100254766A CN101051773A (en) | 2006-04-06 | 2006-04-06 | Method for producing magnetic suspension flying wheel energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101051773A true CN101051773A (en) | 2007-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100254766A Pending CN101051773A (en) | 2006-04-06 | 2006-04-06 | Method for producing magnetic suspension flying wheel energy storage system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841201A (en) * | 2010-05-18 | 2010-09-22 | 浙江工业大学 | Coaxial type flywheel battery |
| CN102035293A (en) * | 2011-01-28 | 2011-04-27 | 浙江工业大学 | Separate magnetic rotor-bearing system of vertical flywheel battery |
| CN102428293A (en) * | 2009-03-27 | 2012-04-25 | 里卡多英国有限公司 | A Flywheel |
| US9273755B2 (en) | 2009-03-27 | 2016-03-01 | Ricardo Uk Limited | Method and apparatus for balancing a flywheel |
| US9391489B2 (en) | 2010-11-17 | 2016-07-12 | Ricardo Uk Limited | Magnetic coupler having magnets with different magnetic strengths |
| US9704631B2 (en) | 2009-03-27 | 2017-07-11 | Ricardo Uk Limited | Flywheel |
| US9718343B2 (en) | 2011-04-20 | 2017-08-01 | Ricardo Uk Limited | Energy storage system having a flywheel for a vehicle transmission |
| CN114157096A (en) * | 2021-12-09 | 2022-03-08 | 珠海格力电器股份有限公司 | Servo motor and inertia control method thereof |
-
2006
- 2006-04-06 CN CNA2006100254766A patent/CN101051773A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428293A (en) * | 2009-03-27 | 2012-04-25 | 里卡多英国有限公司 | A Flywheel |
| US8808096B2 (en) | 2009-03-27 | 2014-08-19 | Ricardo Uk Limited | Flywheel |
| CN102428293B (en) * | 2009-03-27 | 2015-04-29 | 里卡多英国有限公司 | A Flywheel |
| US9273755B2 (en) | 2009-03-27 | 2016-03-01 | Ricardo Uk Limited | Method and apparatus for balancing a flywheel |
| US9704631B2 (en) | 2009-03-27 | 2017-07-11 | Ricardo Uk Limited | Flywheel |
| CN101841201A (en) * | 2010-05-18 | 2010-09-22 | 浙江工业大学 | Coaxial type flywheel battery |
| US9391489B2 (en) | 2010-11-17 | 2016-07-12 | Ricardo Uk Limited | Magnetic coupler having magnets with different magnetic strengths |
| CN102035293A (en) * | 2011-01-28 | 2011-04-27 | 浙江工业大学 | Separate magnetic rotor-bearing system of vertical flywheel battery |
| US9718343B2 (en) | 2011-04-20 | 2017-08-01 | Ricardo Uk Limited | Energy storage system having a flywheel for a vehicle transmission |
| CN114157096A (en) * | 2021-12-09 | 2022-03-08 | 珠海格力电器股份有限公司 | Servo motor and inertia control method thereof |
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