CN202840797U - Flywheel energy storage apparatus - Google Patents
Flywheel energy storage apparatus Download PDFInfo
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- CN202840797U CN202840797U CN 201220446828 CN201220446828U CN202840797U CN 202840797 U CN202840797 U CN 202840797U CN 201220446828 CN201220446828 CN 201220446828 CN 201220446828 U CN201220446828 U CN 201220446828U CN 202840797 U CN202840797 U CN 202840797U
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- flywheel
- column
- wheel
- track
- energy accumulation
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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
Abstract
A flywheel energy storage apparatus comprises a column and a flywheel assembly arranged on the column. The flywheel assembly comprises a flywheel and a motor driver which are connected through a bearing and the column; the motor driver comprises an annular track arranged below the flywheel, two or more than two direct current frequency conversion motors and corresponding track wheels; the support of the direct current frequency conversion motor is fixedly connected to a flywheel outer rim torque input portion, and an output portion is drivingly connected to a track wheel transmission portion; each track wheel is provided with a rolling portion matched with the annular track, the middle portion of each track wheel is connected with a track wheel shaft core through a bearing; the track wheel shaft core is connected to the flywheel; the central section of the flywheel is provided with a torque output portion; the torque output portion is drivingly connected to the excitation generator torque input portion; the support of the excitation generator is fixedly connected with the column; a load-supporting part is arranged below the annular track; and the annular track is connected with the support column arranged on the ground through the load-supporting part. The flywheel energy storage apparatus is characterized in that the bearing load problem is solved, an energy storage effect is enhanced, the structure is simple, cost is low, and the service life is long.
Description
Technical field
The utility model relates to a kind of electric energy storage device technical field, particularly relates to a kind of energy accumulation device for fly wheel that is suitable for high-power operation.
Background technology
As everyone knows, China's electric power is very nervous, but the power equipment utilance only has 75%, namely has approximately 1/4 electric power to be wasted.In the reality, generating capacity when the generating capacity of power industry indication typically refers to power plant generating equipment oepration at full load, and in fact most of power plants only have and could realize by day the generating equipment oepration at full load, but then usually be in low load condition at the night especially late into the night, so that the generating capacity of generating equipment can not take full advantage of, cause thus national annual energy output loss up to more than 1,200 hundred million degree.As with 0.5 yuan of calculating of every degree electricity, annual loss is more than 60,000,000,000 yuan.
In the prior art, people are in order to solve this difficult problem, imagine or have proposed many schemes: by the hydroelectric station pumped storage, utilize battery energy storage as at dead of night the time, have in addition test overcompression air energy-storage.But result of the test shows that these methods are not that the energy storage cost price is expensive, are exactly that energy storage efficiency is too low.
The contemporary society of 21 st Century, people are more and more higher to the cry of protection of the environment.Be accompanied by society, expanding economy, present most of automobiles have become the first pollutant sources in city.How to develop a kind of electric automobile, charging in the late into the night, use daytime, is to make the best of both worlds.Yet, use the electric automobile of battery to test decades at present, but so far still the end enter the practical stage.Especially generation modes such as solar energy, wind energy, tide sunset energy, sea wave energy, all exist the electrical power storage problem, present power storaging mode mainly is by battery energy storage, but is subject to the life-span of energy storage battery and the restriction of energy storage efficiency thereof, so that so far still can extensive use.
Above-mentioned many problems, constantly a kind of efficient is high, the life-span is long, energy storage is many, easy to use seeking to impel people, and free of contamination green energy-storing device.
Yet, in the various novel energy storage technologies of research and development, adopt traditional flywheel technology development energy storage device but to possess the plurality of advantages that addresses the above problem, as: energy storage density is large, efficient is high, cost is low, the life-span is long, instantaneous power is large, fast response time, security performance is good, maintenance cost is low, environmental pollution is little, be not subjected to geographical environment restriction etc., and this is one of at present the most rising energy storage technology.Its principle is the mechanical energy that converts electric energy to rotating object, then carries out stored energy.In the energy storage stage, by the motor run flywheel, make the flywheel body accelerate to certain rotating speed, be mechanical energy with electric energy conversion; Discharge the stage at energy, motor is made generator operation, makes flywheel deceleration, and mechanical energy is converted into electric energy.
But flywheel conventional in the prior art is made by steel (perhaps cast iron), and energy storage is still limited.For example: making a generating capacity is 1,000,000 kilowatts the balanced generating of power plant, and accumulated energy flywheel need use 1,500,000 tons of steel, and the single flywheel of Japan's accumulated energy flywheel of developing also only can be accomplished 1000 tons.And in the running of energy accumulation device for fly wheel, under the operating mode of flywheel High Rotation Speed, its bearing becomes the maximum bottleneck of flywheel energy storage for the load limit of flywheel.
Therefore, for existing problems of the prior art, needing badly provides a kind of flywheel energy storage technology that can solve bearing load problem, increase energy storage capacity to seem particularly important.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of and can solve the bearing load problem, increases energy storage effect, energy accumulation device for fly wheel simple in structure, with low cost.
The purpose of this utility model is achieved through the following technical solutions:
A kind of energy accumulation device for fly wheel is provided, the fly wheel assembly that includes column and be arranged at described column, wherein:
Described fly wheel assembly includes flywheel and motor drive, and described flywheel is connected with described column by bearing;
Described motor drive includes the circular orbit that is arranged at described flywheel below, and the rail wheel of two or more DC frequency-changing motor and corresponding two or more, the support of described DC frequency-changing motor is fixedly connected on the moment of torsion input part of described flywheel outer rim, described DC frequency-changing motor efferent drives the driving section that is connected in described rail wheel, described rail wheel is provided with the rolled portion that matches with described circular orbit, described rail wheel middle part is connected with track wheel shaft core by bearing, and described track wheel shaft core is connected in described flywheel;
The middle part of described flywheel is provided with the moment of torsion efferent, and the moment of torsion efferent of described flywheel drives the moment of torsion input part that is connected in excitation generator, and the support of described excitation generator is fixedly connected with described column;
Described circular orbit below is provided with load-supporting part, and described circular orbit is connected with the support column that is arranged at ground by described load-supporting part.
Wherein, be provided with damping device between described track wheel shaft core and the described flywheel, described track wheel shaft core is connected with described flywheel by described damping device.
Wherein, described damping device includes damping spring and damping spring axle bed, described damping spring axle bed vertically is arranged at the below of described flywheel, described damping spring is sheathed on the damping spring axle bed, described damping spring axle bed bottom is fixedly connected with track wheel shaft core, described damping spring axle bed upper end and described flywheel pivot bush unit.
Wherein, described rail wheel is set to have the rail wheel of monolateral wheel hub.
Wherein, described circular orbit is set to the circular orbit of steel-rail structure, and described load-supporting part is set to i-beam structure or concrete props up the load-supporting part of girder construction or concrete walls structure.
Wherein, described DC frequency-changing motor efferent drives the driving section that is connected in described rail wheel by gear pair.
Wherein, the moment of torsion efferent of described flywheel drives the moment of torsion input part that is connected in excitation generator by gear pair.
Wherein, described DC frequency-changing motor and rail wheel are set to respectively more than three or three, and described DC frequency-changing motor and rail wheel more than three or three along the circumferential direction evenly distribute to arrange as the axle center take described column.
Wherein, described column is provided with column support, and described column body bottom is fixedly connected on described column support, and the support of described excitation generator is fixedly connected on described column support.
Wherein, be provided with controller, described controller is connected with described excitation generator, described DC frequency-changing electric electromechanics signal respectively.
The beneficial effects of the utility model:
A kind of energy accumulation device for fly wheel, the fly wheel assembly that includes column and be arranged at column, because: fly wheel assembly includes flywheel and motor drive, and flywheel is connected with column by bearing; Motor drive includes the rail wheel of the circular orbit that is arranged at flywheel below and two or more DC frequency-changing motor and corresponding two or more, the support of DC frequency-changing motor is fixedly connected on the moment of torsion input part of flywheel outer rim, DC frequency-changing motor efferent drives the driving section that is connected in rail wheel, rail wheel is provided with the rolled portion that matches with circular orbit, the rail wheel middle part is connected with track wheel shaft core by bearing, and track wheel shaft core is connected in flywheel; The middle part of flywheel is provided with the moment of torsion efferent, and the moment of torsion efferent of flywheel drives the moment of torsion input part that is connected in excitation generator, and the support of excitation generator is fixedly connected with column; The circular orbit below is provided with load-supporting part, and circular orbit is connected with the support column that is arranged at ground by load-supporting part.
Thus, so that on the basis of traditional flywheel, the structure of optimum organization energy accumulation device for fly wheel, the weight that is used for the supporting flywheel by circular orbit is set, and turned round by DC frequency-changing motor driven flywheel, and the control excitation generator is according to real-time load power consumption regulation output power, make energy output and input realize in time regulation and control, the load limit problem of the bearing in the time of can effectively solving the flywheel high-speed cruising between itself and column, thereby also can use super heavy weight flywheel, with the energy storage capacity of raising flywheel and the effective rate of utilization of the energy.Have simple in structure being easy to and make, with low cost, long service life can increase the characteristics of energy storage effect; And, be specially adapted to powerful flywheel operation.
Be specially and have the following advantages:
(1) effectively improved the stability of fly wheel assembly, then reduced the maintenance cost of complete machine and reduced failure rate;
(2) adopt a plurality of DC frequency-changing motor driven, stable and reliable operation;
(3) load capacity is good, and noiselessness and manufacturing process are simple;
(4) simple in structure, be easy to processing, the integrated cost of manufacturing is low;
(5) be suitable for big-and-middle-sized generating equipment stabilized power supply, can improve electric phase quality.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of energy accumulation device for fly wheel of the present utility model.
Fig. 2 is the structural representation at another visual angle of Fig. 1.
In Fig. 1, Fig. 2, include:
1---flywheel, 2---DC frequency-changing motor, 3---damping spring, 4---column,
5---track wheel shaft core, 6---rail wheel, 7---circular orbit, 8-excitation generator,
9---column support, 10---load-supporting part, 11---damping spring axle beds.
Embodiment
With the following Examples the utility model is described in further detail.
A kind of energy accumulation device for fly wheel of the present utility model, as shown in Figure 1 and Figure 2, the fly wheel assembly that includes column 4 and be arranged at column 4 tops, fly wheel assembly include flywheel 1 and motor drive, and flywheel 1 is connected with column 4 by bearing; Motor drive includes the rail wheel 6 of the circular orbit 7 that is arranged at flywheel below and two or more DC frequency-changing motor 2 and corresponding two or more, the support of DC frequency-changing motor 2 is fixedly connected on the moment of torsion input part of flywheel 1 outer rim, DC frequency-changing motor 2 efferents drive the driving section that is connected in rail wheel 6, rail wheel 6 is provided with the rolled portion that matches with circular orbit 7, rail wheel 6 middle parts are connected with track wheel shaft core 5 by bearing, and track wheel shaft core 5 is connected in flywheel 1; The middle part of flywheel 1 is provided with the moment of torsion efferent, and the moment of torsion efferent of flywheel 1 drives the moment of torsion input part that is connected in excitation generator 8, and the support of excitation generator 8 is fixedly connected with column 4; Circular orbit 7 belows are provided with load-supporting part 10, and circular orbit 7 is connected with the support column that is arranged at ground by load-supporting part 10; Change the gravity parts into ground supporting, the load limit of the bearing of 4 on itself and column in the time of can effectively solving flywheel 1 high-speed cruising, thereby also can use super heavy weight flywheel 1, with the energy storage capacity of raising flywheel 1 and the effective rate of utilization of the energy, and can Effective Raise the stability of fly wheel assembly, reduce the swing of column 4, make operation more safe and reliable, and simple in structure being easy to made long service life.
Concrete, referring to shown in Figure 1, can be provided with damping device between track wheel shaft core 5 and the flywheel 1, track wheel shaft core 5 is connected with flywheel 1 by damping device.
Concrete, damping device can include damping spring 3 and damping spring axle bed 11, damping spring axle bed 11 vertically is arranged at the below of flywheel 1, damping spring 3 is sheathed on damping spring axle bed 11, damping spring axle bed 11 bottoms are fixedly connected with track wheel shaft core 5, damping spring axle bed 11 upper ends and flywheel 1 pivot bush unit.
Fly wheel assembly turns round take column 4 as the axle center, and this axle center also is the center of circle of circular orbit 7, has further improved thus stability.And the damping device Effective Raise stability of complete machine, the support flywheel 1 preferably, damping device is applied to the weight of flywheel 1 on the circular orbit 7 by rail wheel 6, can reduce the weight of column 4 and flywheel that bearing bears 1, simultaneously in running, concussion when absorbing bounce-back after the shake by the damping spring axle bed 11 that arranges and damping spring 3 and the impact when running up from flywheel 1 have further improved the stability of operation.
Concrete, referring to Fig. 1 and Fig. 2, rail wheel 6 is two or more rail wheel 6.The below of flywheel 1 is provided with two or more rail wheel 6, makes the fly wheel assembly stress equalization, thereby increases the stability of whole system.
Because in the operation process, circular orbit 7 and damping device have born centrifugal force and the gravity when flywheel 1 runs up, the bearing load that is arranged at 4 on flywheel 1 and column is reduced greatly, thus the useful life of having improved bearing.
Concrete, DC frequency-changing motor 2 efferents drive the driving section that is connected in rail wheel 6 by gear pair.To utilize the gear pair transmission to have preferably stability, can making flywheel 1 stored energy and operation simultaneously more stably, be convenient to control the rotating speed that reduces flywheel 1 according to gearratio.
Concrete, the moment of torsion efferent of flywheel 1 drives the moment of torsion input part that is connected in excitation generator 8 by gear pair.To utilize the gear pair transmission to have preferably stability, can making flywheel 1 drive excitation generator 8 generator operations simultaneously more stably, be convenient to the rotating speed according to gearratio control raising excitation generator 8.
Concrete, being provided with controller, controller is connected with excitation generator 8, DC frequency-changing motor 2 signals of telecommunication respectively.
The power that provides when generating equipment operation is during greater than user's request, provide a part of electric energy to take turns 1 starting of 6 flywheel drivens to DC frequency-changing motor 2 drive track by controller switching, DC frequency-changing motor 2 is regulated the rotation of drive track wheel 6 according to flywheel 1 rotating speed intelligence, thereby make flywheel 1 produce acceleration, stored energy.At this moment, excitation generator 8 is not because switching to excited state, and its rotor only dallies with the moment of torsion efferent of flywheel 1.
When peak of power consumption generating equipment underpower, the excitation generator 8 of flywheel 1 drive installation on column 4 rotates, the output electric energy, the exciting current of this excitation generator 8 is controlled by controller switching, by controlling the real-time regulating power of exciting current to satisfy the user power utilization demand.Flywheel 1 produces deceleration at this moment, and the energy of savings obtains discharging.At this moment, excitation generator 8 is because switching to excited state, and its rotor is cutting magnetic line acting generating under the driving of flywheel 1.
Concrete, DC frequency-changing motor 2 and rail wheel 6 are set to respectively more than three or three, and the DC frequency-changing motor 2 more than three or three and rail wheel 6 along the circumferential direction evenly distribute as the axle center take column and arrange.
Concrete, as shown in Figure 2, DC frequency-changing motor 2 and rail wheel 6 are set to respectively 12, and 12 DC frequency-changing motor 2 and rail wheel 6 along the circumferential direction evenly distribute as the axle center take column and arrange.
Concrete, column 4 is provided with column support 9, and column 4 body bottoms are fixedly connected on column support 9, and the support of excitation generator 8 is fixedly connected on column support 9.
Embodiment 2
A kind of energy accumulation device for fly wheel of the present utility model, as shown in Figure 1, the main technical schemes of present embodiment is substantially the same manner as Example 1, and the feature that does not lay down a definition in the present embodiment adopts the explanation among the embodiment 1, no longer gives unnecessary details at this.The difference of present embodiment and embodiment 1 is: circular orbit 7 is set to the circular orbit 7 of steel-rail structure.The track of the similar train of this rail is a kind of standard sections, circularizes structure with the steel rail laying in the employing GB and gets final product.
A kind of energy accumulation device for fly wheel of the present utility model, as shown in Figure 1, the main technical schemes of present embodiment and embodiment 1 or embodiment 2 are basic identical, the feature that does not lay down a definition in the present embodiment, adopt the explanation among embodiment 1 or the embodiment 2, no longer give unnecessary details at this.The difference of present embodiment and embodiment 1 or embodiment 2 is: rail wheel 6 is set to have the rail wheel 6 of monolateral wheel hub.
A kind of energy accumulation device for fly wheel of the present utility model, as shown in Figure 1, the main technical schemes of present embodiment and embodiment 1 or embodiment 2 or embodiment 3 are basic identical, the feature that does not lay down a definition in the present embodiment, adopt the explanation among embodiment 1 or embodiment 2 or the embodiment 3, no longer give unnecessary details at this.The difference of present embodiment and embodiment 1 or embodiment 2 or embodiment 3 is: load-supporting part 10 can be set to i-beam structure or concrete props up the load-supporting part of girder construction or concrete walls structure.
A kind of energy accumulation device for fly wheel of the present utility model can satisfy the external condition standard of operation:
1, the temperature range of the normal operation of unit is-20 ℃～+ 50 ℃, and extremely frigid zones is-25 ℃～+ 45 ℃;
2, the highest height above sea level of unit operation is 4000m;
3, relative humidity is 95 ﹪.
Should be noted that at last; above embodiment is only in order to the technical solution of the utility model to be described but not to the restriction of the utility model protection range; although with reference to preferred embodiment the utility model has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (10)
1. energy accumulation device for fly wheel, the fly wheel assembly that includes column and be arranged at described column is characterized in that:
Described fly wheel assembly includes flywheel and motor drive, and described flywheel is connected with described column by bearing;
Described motor drive includes the circular orbit that is arranged at described flywheel below, and the rail wheel of two or more DC frequency-changing motor and corresponding two or more, the support of described DC frequency-changing motor is fixedly connected on the moment of torsion input part of described flywheel outer rim, described DC frequency-changing motor efferent drives the driving section that is connected in described rail wheel, described rail wheel is provided with the rolled portion that matches with described circular orbit, described rail wheel middle part is connected with track wheel shaft core by bearing, and described track wheel shaft core is connected in described flywheel;
The middle part of described flywheel is provided with the moment of torsion efferent, and the moment of torsion efferent of described flywheel drives the moment of torsion input part that is connected in excitation generator, and the support of described excitation generator is fixedly connected with described column;
Described circular orbit below is provided with load-supporting part, and described circular orbit is connected with the support column that is arranged at ground by described load-supporting part.
2. a kind of energy accumulation device for fly wheel according to claim 1 is characterized in that: be provided with damping device between described track wheel shaft core and the described flywheel, described track wheel shaft core is connected with described flywheel by described damping device.
3. a kind of energy accumulation device for fly wheel according to claim 2, it is characterized in that: described damping device includes damping spring and damping spring axle bed, described damping spring axle bed vertically is arranged at the below of described flywheel, described damping spring is sheathed on the damping spring axle bed, described damping spring axle bed bottom is fixedly connected with track wheel shaft core, described damping spring axle bed upper end and described flywheel pivot bush unit.
4. according to claim 1 and 2 or 3 described a kind of energy accumulation device for fly wheel, it is characterized in that: described rail wheel is set to have the rail wheel of monolateral wheel hub.
5. according to claim 1 and 2 or 3 described a kind of energy accumulation device for fly wheel, it is characterized in that: described circular orbit is set to the circular orbit of steel-rail structure, and described load-supporting part is set to i-beam structure or concrete props up the load-supporting part of girder construction or concrete walls structure.
6. it is characterized in that according to claim 1 and 2 or 3 described a kind of energy accumulation device for fly wheel: described DC frequency-changing motor efferent drives the driving section that is connected in described rail wheel by gear pair.
7. it is characterized in that according to claim 1 and 2 or 3 described a kind of energy accumulation device for fly wheel: the moment of torsion efferent of described flywheel drives the moment of torsion input part that is connected in excitation generator by gear pair.
8. a kind of energy accumulation device for fly wheel according to claim 7, it is characterized in that: described DC frequency-changing motor and rail wheel are set to respectively more than three or three, and described DC frequency-changing motor and rail wheel more than three or three along the circumferential direction evenly distribute to arrange as the axle center take described column.
9. a kind of energy accumulation device for fly wheel according to claim 8, it is characterized in that: described column is provided with column support, and described column body bottom is fixedly connected on described column support, and the support of described excitation generator is fixedly connected on described column support.
10. a kind of energy accumulation device for fly wheel according to claim 1, it is characterized in that: be provided with controller, described controller is connected with described excitation generator, described DC frequency-changing electric electromechanics signal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220446828 CN202840797U (en) | 2012-09-04 | 2012-09-04 | Flywheel energy storage apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220446828 CN202840797U (en) | 2012-09-04 | 2012-09-04 | Flywheel energy storage apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840797U true CN202840797U (en) | 2013-03-27 |
Family
ID=47952401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220446828 Withdrawn - After Issue CN202840797U (en) | 2012-09-04 | 2012-09-04 | Flywheel energy storage apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN202840797U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857020A (en) * | 2012-09-04 | 2013-01-02 | 惠州市三鼎能源科技有限公司 | Flywheel energy storage device |
| CN105048770A (en) * | 2015-08-29 | 2015-11-11 | 李应松 | Inertia power device |
| CN115250033A (en) * | 2022-09-22 | 2022-10-28 | 沈阳微控主动磁悬浮技术产业研究院有限公司 | Flywheel energy storage assembly |
-
2012
- 2012-09-04 CN CN 201220446828 patent/CN202840797U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857020A (en) * | 2012-09-04 | 2013-01-02 | 惠州市三鼎能源科技有限公司 | Flywheel energy storage device |
| CN105048770A (en) * | 2015-08-29 | 2015-11-11 | 李应松 | Inertia power device |
| CN115250033A (en) * | 2022-09-22 | 2022-10-28 | 沈阳微控主动磁悬浮技术产业研究院有限公司 | Flywheel energy storage assembly |
| CN115250033B (en) * | 2022-09-22 | 2022-12-06 | 沈阳微控主动磁悬浮技术产业研究院有限公司 | Flywheel energy storage assembly |
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Granted publication date: 20130327 Effective date of abandoning: 20140611 |
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