CN202424394U - Energy storage flywheel - Google Patents
Energy storage flywheel Download PDFInfo
- Publication number
- CN202424394U CN202424394U CN 201120507356 CN201120507356U CN202424394U CN 202424394 U CN202424394 U CN 202424394U CN 201120507356 CN201120507356 CN 201120507356 CN 201120507356 U CN201120507356 U CN 201120507356U CN 202424394 U CN202424394 U CN 202424394U
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- mandrel
- pipe
- hub
- adopts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004146 energy storage Methods 0.000 title abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000000703 high-speed centrifugation Methods 0.000 description 2
- 230000036244 malformation Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model belongs to the field of physical energy storage and particularly relates to an energy storage flywheel. The energy storage flywheel comprises a core shaft, a hub and a circular tube; the core shaft adopts a stepped shaft structure; the matched part between the core shaft and the hub adopts a thin-wall structure; the hub adopts a combined structure of a circular plate and a circular ring shell; the core shaft is in interference fit with the hub; and the hub and the circular tube are matched in a conical surface pressure fit manner. According to the technical scheme, through composition of various materials and various structures and by taking full characteristics of the various materials, the harmonious optimal combination of high bearing force and large deformation can be realized; through the matching design and assembly processes in various forms, the energy storage flywheel is easy to implement in engineering practice; and high-grade and low-grade structural materials are matched to reduce the cost of the overall structure.
Description
Technical field
The utility model belongs to physics energy storage field, is specifically related to a kind of accumulated energy flywheel.
Background technology
The basic principle of flywheel energy storage is to store the kinetic energy that electric energy converts rotary body to.In the energy storage stage, drag flywheel through motor, make the flywheel body accelerate to certain rotating speed, electric energy is converted into kinetic energy; Discharge the stage at energy, flywheel slows down, and motor is made generator operation, and kinetic energy is converted into electric energy.Flywheel energy storage has the outstanding advantage that the life-span is long, power is big and environmental characteristics is friendly.Modern flywheel energy storage power-supply system combines advanced composite material rotor, magnetic bearing, high-speed electric expreess locomotive and power electronic technology and has greatly improved performance, and modern flywheel energy storage power supply commercially produced product begins to promote over nearly 10 years.
The approach that improves flywheel energy storage system energy density, power density mainly is to improve rotating speed.Consider square being directly proportional of moment of inertia and size, therefore improving flywheel edge line speed could effectively improve flywheel energy, and the factor that restriction flywheel linear velocity improves is the strength degree of material and the compatibility of deformation of wheel hub and wheel rim.Advanced high specific strength composite flywheel structural design and research have theoretical design and two aspects of experimental evaluation, and indispensable, end is got up, and the high speed flywheel The Structural Design is the applied mechanics problem of a Materials with High Strength.
High specific strength composite material significant anisotropism; Radially tensile strength is low and take off between genetic horizon and split to cause flywheel that fibrous composite is wound in, thereby needs to adopt Optimal Structure Designings such as a plurality of thin annulus interference suits, prestressing force winding, interlayer elastic layer, take online curing process and textile technology design etc.Simultaneously; Flywheel also needs the mandrel transfer torque and the supporting location is provided; Hub portion between mandrel and flywheel rim generally adopts unimach or high-strength aluminum alloy; The difficult point of hub design is to realize between axle and the wheel rim that large deformation coordinates and bear high speed centrifugation load, and advanced flywheel has adopted variable cross-section conical shell or spoke architecture.
The outstanding problem of high speed flywheel structural strength has: the structurally internal stress that high speed centrifugation power causes surpasses the working strength of material; The strain that malformation causes surpasses the strain allowable of material; The structure of the inharmonious initiation of each several part malformation gets loose.
The utility model content
The utility model is to the outstanding problem of flywheel structure intensity; A kind of high-speed energy wheel with composite material and high-strength structure is provided; The material of the utility model utilization has steel alloy, high-strength aluminium and carbon fibre composite, and the structure of employing has axle, plectane, circular ring shell and pipe, and the rotating speed of accumulated energy flywheel can reach 15000-24000r/min; Flywheel border line speed is 400-600m/s, and energy storage capacity is 2-10MJ.
The purpose of the utility model is to adopt following technical proposals to realize:
A kind of accumulated energy flywheel, said accumulated energy flywheel comprises mandrel, wheel hub and pipe; Its improvements are that said mandrel is the multidiameter structure; Thin-wall construction is adopted in said mandrel and wheel hub cooperation place; Said wheel hub adopts plectane and circular ring shell combining structure; Adopt interference fit between said mandrel and the wheel hub; Adopt conical surface pressure to cooperate between said wheel hub and the pipe.
A kind of optimized technical scheme that the utility model provides is: said mandrel adopts alloy steel material; Said wheel hub adopts aluminum alloy materials; Said pipe adopts carbon fibre composite.
Second optimized technical scheme that the utility model provides is: said wheel hub comprises wheel hub and lower hub.
The 3rd optimized technical scheme that the utility model provides is: said round tube inner wall is a taper seat.
The 4th optimized technical scheme that the utility model provides is: the design bleed passage in said mandrel lower end.
The 5th optimized technical scheme that the utility model provides is: the said wheel hub of going up connects mandrel and pipe; Said wheel hub and the mandrel employing interference fit of going up; Said wheel hub and the pipe employing interference fits of going up.
The 6th optimized technical scheme that the utility model provides is: said lower hub connects mandrel and pipe; Said lower hub and mandrel adopt interference fit; Said lower hub and pipe adopt interference fit.
The 7th optimized technical scheme that the utility model provides is: the diameter of axle of said mandrel main part is 120-160mm; The internal diameter of said wheel hub is that 120-160mm, external diameter are 360-420mm; The external diameter of said pipe is 500-600mm, and internal diameter is 360-420mm; The length overall of said pipe is 600-1200mm.
Compared with prior art, the beneficial effect that reaches of the utility model is:
1, the accumulated energy flywheel that provides of the utility model adopts multiple material, multiple structure compound, makes full use of various properties of materials, realizes the optimum organization of high-bearing capacity and large deformation coordination.
2, the accumulated energy flywheel speed that provides of the utility model is high, and energy storage density is high, stores identical energy, compares with the metal flywheel, because of the little bearing load that reduces of composite material high-speed flywheel weight, to reduce the wastage, has improved energy storage efficiency.
3, the accumulated energy flywheel that provides of the utility model adopts between wheel hub and the pipe and adopts conelet degree taper seat to cooperate, interference assembling realization easily.
4, the accumulated energy flywheel that provides of the utility model has adopted the double wheel hub structure, has improved the flywheel integral rigidity, has avoided low-frequency resonance mode.
5, the high-speed energy wheel structural material that provides of the utility model is just arranged in pairs or groups, and reduces integrally-built cost.
Description of drawings
Fig. 1 is the accumulated energy flywheel cutaway view according to the utility model, and wherein, 1 is mandrel; 2 is last wheel hub; 3 is lower hub; 4 is the carbon fibre composite pipe;
Fig. 2 is the sketch map according to the last wheel hub cooperation of the utility model;
Fig. 3 is the sketch map according to the lower hub cooperation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed description.
The accumulated energy flywheel cutaway view is as shown in Figure 1, and accumulated energy flywheel is made up of mandrel 1, last wheel hub 2, lower hub 3 and pipe 4 four parts.
The diameter of axle of mandrel 1 main part is 120-160mm; The internal diameter of wheel hub is that 120-160mm, external diameter are 360-420mm; The external diameter of pipe is 500-600mm, and internal diameter is 360-420mm; The length overall of pipe 4 is 600-1200mm.
The overall moment of inertia of whole accumulated energy flywheel is 4-6kgm
2The edge line speed of flywheel is 400-600m/s, energy storage 2-10MJ.
Between mandrel 1 and the wheel hub, adopt the interference fit of shrink-on; Adopt conical surface pressure to cooperate between wheel hub and the pipe 4, the advantage of cone match is in the less large-area interference fit of acquisition in the axial displacement that press-fits.The fit system of concrete design is following:
Plectane is connected mandrel 1 and pipe 4 with the last wheel hub of circular ring shell combining structure, last wheel hub and mandrel 1 adopt interference fit, realize the scope 200-300 of the temperature difference degree centigrade by the temperature differential method assembling; Last wheel hub 2 adopts interference fits with pipe 4, and because of mating surface is the conical surface, axial pressure assembling gets final product under normal temperature condition, and last wheel hub 2 cooperates sketch map as shown in Figure 2.
Plectane is connected mandrel 1 and pipe 4 with the lower hub of circular ring shell combining structure, lower hub 3 adopts interference fit with mandrel 1, realizes the scope 200-300 of the temperature difference degree centigrade by the temperature differential method assembling; Lower hub 3 adopts interference fit with pipe 4, and because of mating surface is the conical surface, axial pressure assembling gets final product under normal temperature condition, and lower hub 3 cooperates sketch map as shown in Figure 3.
The assembling process of accumulated energy flywheel is following:
1) at first processes mandrel 1, last wheel hub 2 prefabricated components, lower hub 3 prefabricated components;
2) adopt composite technology to make carbon fibre composite pipe 4, inside is ground to taper seat;
3) mandrel 1 adopts temperature differential method interference suit with the wheel hub prefabricated component, the male cone (strobilus masculinus) that the reprocessing wheel hub cooperates with the pipe inner conical surface;
4) put into pipe inside to the mandrel-hub unit that processes, adopt the pressure assembly tool, the displacement that makes mandrel-wheel hub move up vertically and design forms the interference assembling; Flywheel is revolving in the shape process at a high speed, and the wheel hub distortion is bigger, and the pipe distortion is less, remains contact, transfer torque.
The utility model application is wide, can be applied in wind power generation frequency modulation, emergency power supply, and the regeneration of vehicle brake kinetic energy, the regeneration of portal crane tool potential energy, load frequent change fields such as cluster engine power peak regulation.
Should be noted that at last: above embodiment is only in order to the technical scheme of explanation the utility model but not to the restriction of its protection range; Although the application has been carried out detailed explanation with reference to the foregoing description; The those of ordinary skill in affiliated field is to be understood that: those skilled in the art still can carry out all changes, revise or be equal to replacement to the embodiment of application after reading the utility model; These changes, modification perhaps are equal to replacement, and it is all within the claim scope that its application is awaited the reply.
Claims (8)
1. accumulated energy flywheel, said accumulated energy flywheel comprises mandrel (1), wheel hub and pipe (4); It is characterized in that said mandrel (1) is the multidiameter structure; Said mandrel (1) adopts thin-wall construction with the wheel hub cooperation place; Said wheel hub adopts plectane and circular ring shell combining structure; Adopt interference fit between said mandrel (1) and the wheel hub; Adopt conical surface pressure to cooperate between said wheel hub and the pipe (4).
2. accumulated energy flywheel as claimed in claim 1 is characterized in that, said mandrel (1) adopts alloy steel material; Said wheel hub adopts aluminum alloy materials; Said pipe (4) adopts carbon fibre composite.
3. accumulated energy flywheel as claimed in claim 1 is characterized in that, said wheel hub comprises wheel hub (2) and lower hub (3).
4. accumulated energy flywheel as claimed in claim 1 is characterized in that, said pipe (4) inwall is a taper seat.
5. accumulated energy flywheel as claimed in claim 1 is characterized in that, the design bleed passage in said mandrel (1) lower end.
6. accumulated energy flywheel as claimed in claim 3 is characterized in that, the said wheel hub (2) of going up connects mandrel (1) and pipe (4); The said wheel hub (2) of going up adopts interference fit with mandrel (1); The said wheel hub (2) of going up adopts interference fits with pipe (4).
7. accumulated energy flywheel as claimed in claim 3 is characterized in that, said lower hub (3) connects mandrel (1) and pipe (4); Said lower hub (3) adopts interference fit with mandrel (1); Said lower hub (3) adopts interference fit with pipe (4).
8. accumulated energy flywheel as claimed in claim 1 is characterized in that, the diameter of axle of said mandrel (1) main part is 120-160mm; The internal diameter of said wheel hub is that 120-160mm, external diameter are 360-420mm; The external diameter of said pipe (4) is 500-600mm, and internal diameter is 360-420mm; The length overall of said pipe (4) is 600-1200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120507356 CN202424394U (en) | 2011-12-08 | 2011-12-08 | Energy storage flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120507356 CN202424394U (en) | 2011-12-08 | 2011-12-08 | Energy storage flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424394U true CN202424394U (en) | 2012-09-05 |
Family
ID=46749119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120507356 Expired - Lifetime CN202424394U (en) | 2011-12-08 | 2011-12-08 | Energy storage flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424394U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867642A (en) * | 2014-03-28 | 2014-06-18 | 清华大学 | Drum-type high-speed composite material rotor and manufacturing method thereof |
| CN105518339A (en) * | 2013-07-19 | 2016-04-20 | Gkn混合动力有限公司 | Flywheels for energy storage and methods of manufacture thereof |
| CN105591505A (en) * | 2016-02-24 | 2016-05-18 | 曾宪林 | Installation method of flywheel energy storage rotor |
| CN106602787A (en) * | 2016-02-24 | 2017-04-26 | 国科天地科技有限公司 | Flywheel energy storage rotor, system, workshop, factory, base and application equipment thereof |
| CN110071599A (en) * | 2019-05-22 | 2019-07-30 | 清华大学 | Double wheel hub accumulated energy flywheel rotor |
| CN110259886A (en) * | 2019-05-20 | 2019-09-20 | 清华大学 | Wheel rim and flywheel rotor on flywheel rotor |
| CN110319152A (en) * | 2019-06-20 | 2019-10-11 | 清华大学 | A kind of accumulated energy flywheel rotor of wheel hub nesting mandrel |
| CN111435804A (en) * | 2019-01-14 | 2020-07-21 | 坎德拉（深圳）科技创新有限公司 | Flywheel energy storage device and flywheel rotor |
| CN113595322A (en) * | 2021-07-29 | 2021-11-02 | 中国科学院工程热物理研究所 | Anti-disengagement flywheel structure and flywheel energy storage system |
-
2011
- 2011-12-08 CN CN 201120507356 patent/CN202424394U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518339A (en) * | 2013-07-19 | 2016-04-20 | Gkn混合动力有限公司 | Flywheels for energy storage and methods of manufacture thereof |
| CN103867642A (en) * | 2014-03-28 | 2014-06-18 | 清华大学 | Drum-type high-speed composite material rotor and manufacturing method thereof |
| CN103867642B (en) * | 2014-03-28 | 2016-02-10 | 清华大学 | Rotary barrel type high-speed composite material rotor and preparation method thereof |
| CN105591505A (en) * | 2016-02-24 | 2016-05-18 | 曾宪林 | Installation method of flywheel energy storage rotor |
| CN106602787A (en) * | 2016-02-24 | 2017-04-26 | 国科天地科技有限公司 | Flywheel energy storage rotor, system, workshop, factory, base and application equipment thereof |
| CN105591505B (en) * | 2016-02-24 | 2018-04-10 | 曾宪林 | A kind of installation method of flywheel energy storage rotor |
| CN111435804A (en) * | 2019-01-14 | 2020-07-21 | 坎德拉（深圳）科技创新有限公司 | Flywheel energy storage device and flywheel rotor |
| CN110259886A (en) * | 2019-05-20 | 2019-09-20 | 清华大学 | Wheel rim and flywheel rotor on flywheel rotor |
| CN110071599A (en) * | 2019-05-22 | 2019-07-30 | 清华大学 | Double wheel hub accumulated energy flywheel rotor |
| CN110071599B (en) * | 2019-05-22 | 2020-12-15 | 清华大学 | Double-hub energy storage flywheel rotor |
| CN110319152A (en) * | 2019-06-20 | 2019-10-11 | 清华大学 | A kind of accumulated energy flywheel rotor of wheel hub nesting mandrel |
| CN110319152B (en) * | 2019-06-20 | 2020-12-08 | 清华大学 | Energy storage flywheel rotor with hub nested with mandrel |
| CN113595322A (en) * | 2021-07-29 | 2021-11-02 | 中国科学院工程热物理研究所 | Anti-disengagement flywheel structure and flywheel energy storage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202424394U (en) | Energy storage flywheel | |
| AU2012100203A4 (en) | Multiple Generator Wind Turbines with Rotary Blade Cage | |
| US20130216388A1 (en) | Box-shaped shear web for wind turbine blades and method of making | |
| CN103867639A (en) | High-energy-storage flywheel rotor and manufacturing method thereof | |
| CN104859160A (en) | Fan blade root embedded bolt sleeve suitable for pultrusion process and preparation method for fan blade root embedded bolt sleeve | |
| CN106787322A (en) | A kind of wheel hub electric motor of electric vehicle | |
| CN203289251U (en) | A horizontal shaft coreless disc-type wind driven generator | |
| CN203285913U (en) | High energy storage flywheel rotor | |
| CN105370507B (en) | A kind of wind turbine blade root extension component and its manufacture method | |
| CN205260227U (en) | Wind -powered electricity generation root of blade extension section component | |
| CN200989282Y (en) | Vertical axle compound windmill | |
| CN108321977A (en) | One kind dividing valve circular ring shell alloy wheel hub combined accumulation energy flywheel | |
| CN202140245U (en) | Composite wind wheel and vertical shaft type wind driven generator using wind generated by train running | |
| CN111435805A (en) | Flywheel energy storage device, flywheel rotor and metal hub thereof | |
| CN207835269U (en) | One kind dividing valve circular ring shell alloy wheel hub combined accumulation energy flywheel | |
| CN202840797U (en) | Flywheel energy storage apparatus | |
| CN102705180A (en) | Wind power tower cylinder made of composite materials | |
| CN202651976U (en) | High energy-storage metal wheel hub of flywheel | |
| CN202746116U (en) | Impeller | |
| CN106121920A (en) | Fluid relative kinetic energy acquisition methods and device | |
| CN202118186U (en) | High-strength steel wire flywheel | |
| CN204820943U (en) | Combined material hub | |
| CN201943887U (en) | Rotating wheel structure of wind driven generator for fixing blades | |
| CN202040031U (en) | High-capacity high-speed wind power main shaft | |
| CN207977831U (en) | Inertia force energy-storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |