CN202690317U - Hydraulic device for energy harvesting - Google Patents
Hydraulic device for energy harvesting Download PDFInfo
- Publication number
- CN202690317U CN202690317U CN2012202662277U CN201220266227U CN202690317U CN 202690317 U CN202690317 U CN 202690317U CN 2012202662277 U CN2012202662277 U CN 2012202662277U CN 201220266227 U CN201220266227 U CN 201220266227U CN 202690317 U CN202690317 U CN 202690317U
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- piston
- cylinder
- oil
- oil outlet
- hydraulic pressure
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a hydraulic device for energy harvesting. The hydraulic device comprises a plurality of cylinder units which are successively connected in series, each cylinder unit comprises a piston rod, a piston and a cylinder body, each piston is vertically fixed on each piston rod, each piston is arranged inside the cylinder body, the cylinder bodies of the cylinder units are mutually sealed, , and the piston rods of all the cylinder units are fixedly connected. The hydraulic device for energy harvesting effectively improves volume of hydraulic cylinder single compression liquid, greatly improves efficiency of oil compression according to the fact that oil is sucked and discharged through an oil port of each hydraulic cylinder, and can further achieve adjustment of oil pressure through control of quantity of the cylinder units.
Description
Technical field
The utility model relates to a kind of hydraulic pressure installation, and especially a kind of mechanical energy with linear reciprocating motion converts the hydraulic pressure installation that is used for energy acquisition of hydraulic energy to.
Background technique
The mode that electric energy produces is varied, but the principle that various electric energy produces generally all is that all types of energy pushing generators is generated electricity, and produces electric energy.Common electric energy generation form has the thermal power generation by fire coal, fuel oil or combustion gas, perhaps comes pushing generator to generate electricity by nuclear energy.Along with the progress of technology, also have by morning and evening tides or wind-force at present and generate electricity.
Seawave power generation then is a kind of novel generation mode that occurs at present, is electric energy by the transformation of energy with ocean wave.Wave is that a kind of common seawater is dynamic, morning and evening tides be every day twice seawater dynamic; Sea-land breeze is that the microclimate seawater that all can occur every day is dynamic, and earth autobiography also can be facilitated the seawater deflection dynamically, produces littoral flow; Even seawater fluctuating sea water advanced and that difference leaf temperature can produce locality.Therefore, wave is a kind of stable existence and contains abundant form of energy.
Maxine atlas wave power station comprises the unrestrained kickboard of collection and pressurized oil system.Collect unrestrained kickboard and float on the sea, be converted into power for the energy that absorbs each side's wave and generate electricity.Because the unrestrained kickboard of collection floats on the sea, can carry out phugoid motion along with crest and the trough arrival of wave.The priming energy of the different amount that the collection wave kickboard that rises and falls produces can drive that pressurized oil system is compressed the oil plant of normal pressure until after pressure is accumulated to a setting value, can infer generator and generate electricity, thus the electric energy that successfully wave energy of ocean mesorelief is converted to convenient transmission and uses.
Existing electricity energy harvester generally adopts single cylinder that oil pressure is compressed, and carries out energy acquisition by compression hydraulic oil.Because single chamber volume is limited, therefore compress the finite volume of fluid at every turn.And because the restriction of hydraulic fluid port bore, the time of the each compression of single-cylinder hydraulic cylinder is long, and compression efficiency is low, causes energy acquisition ability and inefficiency, is difficult to obtain extensively and large-scale the application.
The model utility content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of single minimum cylinder volume large, the hydraulic pressure installation that is used for energy acquisition that energy acquisition efficient is high.
For achieving the above object, the technological scheme that adopts for the hydraulic pressure installation of energy acquisition described in the utility model is as follows:
A kind of hydraulic pressure installation for energy acquisition comprises some successively piston-cylinder units of series connection, and described piston-cylinder unit comprises piston rod, piston and cylinder body, and described piston vertically is fixed on the described piston rod, and described piston is located among the described cylinder body; Mutually sealing between the cylinder body of described piston-cylinder unit, the piston rod of each piston-cylinder unit is fixedly connected with.
The cylinder body of above-mentioned piston-cylinder unit is provided with at least one oil outlet and filler opening, and described oil outlet and filler opening are respectively equipped with left side and the right side of described piston.
Further, also comprise an oil outlet tube and oil inlet pipe, described oil outlet tube is connected with described oil outlet; Described oil inlet pipe is connected with described filler opening.
Above-mentioned hydraulic pressure installation for energy acquisition, the one-way valve that arranges from inside to outside on the described oil outlet is so that hydraulic oil is merely able to flow from piston cavity to oil outlet tube; Be provided with the one-way valve that ecto-entad arranges on the described filler opening, so that among hydraulic oil is merely able to enter piston cavity from oil inlet pipe.
Above-mentioned hydraulic pressure installation for energy acquisition, the piston rod that is arranged in the piston-cylinder unit of left end stretches out from described cylinder body, is fixedly connected with a T connector on this extension.
Preferably, above-mentioned hydraulic pressure installation for the energy acquisition right-hand member that is positioned at the piston-cylinder unit of right-hand member is provided with a monaural ring.
With respect to prior art, hydraulic pressure installation for energy acquisition described in the utility model is connected by the multisection hydraulic cylinder, not only effectively improved the volume of oil hydraulic cylinder single compressed liquid, and the hydraulic fluid port that passes through each oil hydraulic cylinder has greatly improved the efficient of fluid compression to fluid suction and discharge.Further, by the control to piston-cylinder unit quantity, can also realize the adjusting to oil pressure, the efficient of the strong energy acquisition that improves is fit to use in the extensive wave energy for generating electricity station.
In order to understand fully the purpose of this utility model, feature and effect, be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Work schematic diagram when Fig. 2 is piston rod end motion left;
Work schematic diagram when Fig. 3 is piston rod end motion to the right;
Among the figure:
The 1-cylinder body; The 11-oil outlet; 12 filler openings; The 13-oil outlet tube; 14 oil inlet pipes; 15 monaural rings; The 2-piston rod; 21-T type joint; The 3-piston; The 4-one-way valve.
Embodiment
As shown in Figure 1 to Figure 3, a kind of hydraulic pressure installation for energy acquisition comprises some successively piston-cylinder units of series connection, and each piston-cylinder unit comprises a piston rod 2, piston 3 and cylinder body 1.
Cylinder body 1 holds this piston 3, and moves reciprocatingly in cylinder body 1 by piston rod 2 drive pistons 3.Piston 3 is separated into left chamber and right chamber with the piston cavity in the cylinder body 1, has filled antiwear hydraulic oil in this left chamber and the right chamber, and its sidewall is provided with the oil outlet 11 for the filler opening 12 of inhalant liquid force feed and discharge hydraulic oil.
The hydraulic pressure installation that should be used for energy acquisition also is provided with oil outlet tube 13 and oil inlet pipe 14, and wherein oil outlet tube 13 is communicated with cylinder body 1 oil outlet 11, and oil inlet pipe 14 is communicated with the filler opening 12 of cylinder body 1.In this enforcement, all can draw and discharge hydraulic oil in order to make piston 3 in the to-and-fro motion process, the left chamber of cylinder body 1 and right chamber are communicated with oil outlet tube 13 by an oil outlet 11 respectively, are communicated with oil inlet pipe 14 by a filler opening 12.At oil outlet 11 and filler opening 12 places one one-way valve 4 is installed respectively, the setting party of one-way valve 4 is to being: oil outlet 11 places arrange from inside to outside, flow so that hydraulic oil is merely able to from piston cavity to oil outlet tube 13; The one-way valve 4 ecto-entad settings at filler opening 12 places are so that hydraulic oil is merely able to flow from oil inlet pipe 14 to piston cavity.
The hydraulic pressure installation that should be used for energy acquisition also comprises a T connector 21 and monaural ring 15, the piston rod 2 of piston-cylinder unit that described T connector 21 is arranged at left end is from cylinder body 1 on the extension, the unrestrained kickboard of convenient collection is connected with piston rod 2 by T connector 21, moves back and forth in cylinder body 1 by piston rod 2 pushing pistons 3.Described monaural ring 15 is arranged at the afterbody of low order end piston-cylinder unit, the convenient installation and transportation.
Below discuss in detail working procedure that this is used for the hydraulic pressure installation of energy acquisition:
See also Fig. 2, Figure 2 shows that pushing piston bar 2 is moved to the left, so that the piston 3 of each piston-cylinder unit all is moved to the left when the unrestrained kickboard drop of collection.Flow out to oil outlet tube 13 by oil outlet 11 after the hydraulic oil compression in piston 3 left chamber; Because oil pressure reduces, can enter among the right chamber by filler opening 12 liquid draw force feed from oil inlet pipe 14 in piston 3 right chamber.
See also Fig. 3, Figure 3 shows that pushing piston bar 2 moves right, so that the piston 3 of each piston-cylinder unit all moves right when the unrestrained kickboard floating of collection.Flow out to oil outlet tube 13 by oil outlet 11 after the hydraulic oil compression in piston 3 right chamber; Because oil pressure reduces, can enter among the right chamber by filler opening 12 liquid draw force feed from oil inlet pipe 14 in piston 3 left chamber.
With respect to prior art, the hydraulic pressure installation for energy acquisition described in the utility model is connected by the multisection hydraulic cylinder, has effectively improved the volume of oil hydraulic cylinder single compressed liquid; Hydraulic fluid port by each oil hydraulic cylinder sucks and discharges fluid, has greatly improved the efficient of fluid compression.Further, by the control to piston-cylinder unit quantity, can also realize the adjusting to oil pressure, the efficient of the strong energy acquisition that improves is fit to use in the extensive wave energy for generating electricity station.
More than describe preferred embodiment of the present utility model in detail, the ordinary skill that should be appreciated that related domain need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all in the art technician according to the utility model design on the prior art basis by logical analysis, reasoning or according to the available technological scheme of limited experiment, all should be among the determined protection domain by these claims.
Claims (6)
1. a hydraulic pressure installation that is used for energy acquisition is characterized in that, comprises some successively piston-cylinder units of series connection, and described piston-cylinder unit comprises piston rod, piston and cylinder body, and described piston vertically is fixed on the described piston rod, and described piston is located among the described cylinder body; Mutually sealing between the cylinder body of described piston-cylinder unit, the piston rod of each piston-cylinder unit is fixedly connected with.
2. the hydraulic pressure installation for energy acquisition as claimed in claim 1 is characterized in that, the cylinder body of described piston-cylinder unit is provided with at least one oil outlet and filler opening, and described oil outlet and filler opening are respectively equipped with left side and the right side of described piston.
3. the hydraulic pressure installation for energy acquisition as claimed in claim 2 is characterized in that, also comprises an oil outlet tube and oil inlet pipe, and described oil outlet tube is connected with described oil outlet; Described oil inlet pipe is connected with described filler opening.
4. the hydraulic pressure installation for energy acquisition as claimed in claim 3 is characterized in that, described oil outlet is provided with the one-way valve that arranges from inside to outside, and described filler opening is provided with the one-way valve that ecto-entad arranges.
5. the hydraulic pressure installation for energy acquisition as claimed in claim 4 is characterized in that, the piston rod that is arranged in the piston-cylinder unit of left end stretches out from described cylinder body, is fixedly connected with a T connector on this extension.
6. the hydraulic pressure installation for energy acquisition as claimed in claim 5 is characterized in that, the right-hand member that is positioned at the piston-cylinder unit of right-hand member is provided with a monaural ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202662277U CN202690317U (en) | 2012-06-06 | 2012-06-06 | Hydraulic device for energy harvesting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202662277U CN202690317U (en) | 2012-06-06 | 2012-06-06 | Hydraulic device for energy harvesting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690317U true CN202690317U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202662277U Expired - Fee Related CN202690317U (en) | 2012-06-06 | 2012-06-06 | Hydraulic device for energy harvesting |
Country Status (1)
| Country | Link |
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| CN (1) | CN202690317U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100443A (en) * | 2013-04-15 | 2014-10-15 | 爱华国际集团股份有限公司 | Wave power generator set and power generation method thereof |
| CN108302089A (en) * | 2018-04-26 | 2018-07-20 | 太仓优尼泰克精密机械有限公司 | A kind of three cylinder series damped actuators |
| CN109989871A (en) * | 2019-04-08 | 2019-07-09 | 浙江大学 | Array wave-energy power generation hydraulic circuit based on the control of multi-chamber hydraulic cylinder continuous phase |
-
2012
- 2012-06-06 CN CN2012202662277U patent/CN202690317U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100443A (en) * | 2013-04-15 | 2014-10-15 | 爱华国际集团股份有限公司 | Wave power generator set and power generation method thereof |
| CN108302089A (en) * | 2018-04-26 | 2018-07-20 | 太仓优尼泰克精密机械有限公司 | A kind of three cylinder series damped actuators |
| CN109989871A (en) * | 2019-04-08 | 2019-07-09 | 浙江大学 | Array wave-energy power generation hydraulic circuit based on the control of multi-chamber hydraulic cylinder continuous phase |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20170606 |