CN104929856A - Wave energy conversion system with energy storage link capable of operating automatically - Google Patents

Wave energy conversion system with energy storage link capable of operating automatically Download PDF

Info

Publication number
CN104929856A
CN104929856A CN201510198464.2A CN201510198464A CN104929856A CN 104929856 A CN104929856 A CN 104929856A CN 201510198464 A CN201510198464 A CN 201510198464A CN 104929856 A CN104929856 A CN 104929856A
Authority
CN
China
Prior art keywords
oil
energy
hydraulic
inlet pipe
wave energy
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.)
Granted
Application number
CN201510198464.2A
Other languages
Chinese (zh)
Other versions
CN104929856B (en
Inventor
盛松伟
游亚戈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Institute of Energy Conversion of CAS
Original Assignee
Guangzhou Institute of Energy Conversion of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Institute of Energy Conversion of CAS filed Critical Guangzhou Institute of Energy Conversion of CAS
Priority to CN201510198464.2A priority Critical patent/CN104929856B/en
Publication of CN104929856A publication Critical patent/CN104929856A/en
Application granted granted Critical
Publication of CN104929856B publication Critical patent/CN104929856B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

Landscapes

  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention provides a wave energy conversion system with an energy storage link capable of operating automatically. The wave energy conversion system with the energy storage link capable of operating automatically is composed of a hydraulic cylinder which is driven by wave energy, a sealed oil tank used for pressing hydraulic oil into a working cavity of the hydraulic cylinder according to a set speed range, a gas cylinder used for inflating the sealed oil tank with gas, an energy accumulator used for pre-charging of high-pressure gas, an automatic hydraulic controller, a hydraulic motor and a hydraulic energy consuming device. Oil in the sealed oil tank is sequentially pressed into the hydraulic cylinder, the energy accumulator, the automatic hydraulic controller, the hydraulic motor and the sealed oil tank under the driving of wave energy and the action of pressure stabilizing of the gas cylinder, and thus acting circulation is achieved; in the process, high-frequency instable wave energy is converted into relatively stable electric energy or energy in other forms after being accumulated to a certain critical value, and intermittent energy supply under the small wave condition and continuous energy supply under the medium wave condition are achieved; overflow is achieved while the hydraulic system is used for supplying energy under the condition that waves are larger than the designed wave condition, and thus optimum output of the system is kept all the time.

Description

A kind of there is accumulation of energy link can the autonomous Wave energy conversion system run
Technical field
The present invention relates to the technical field of wave power utilization, particularly relate to a kind of there is accumulation of energy link can the autonomous Wave energy conversion system run.
Background technique
Wave energy is the most noticeable in marine energy.Not by the wide marine site of the influence of topography, wave energy extensively exists, and how wave energy is converted to the key subjects that electric energy or other forms of energy become energy research field.Corresponding wave energy conversion regime is varied, and as pneumatic conversion, oscillating water column is changed, and gear rack is changed, and low head power generation machine is changed, linear electric generator conversion etc.
For floating type wave-type electric generator, it is away from continent, in the large midocean work of bad environments, environmental conditions is harsh is the subject matter that the type wave energy apparatus faces with safeguarding that equipment is difficult to arrive, to make the long-term work of floating type wave-type electric generator, adopt reasonable, reliable, efficient energy conversion system most important, but it there is no reliable special Wave energy conversion system at present.If utilize water for producing electric power, thermal power generation, the regular power converting system of diesel power generation device serves as Wave energy conversion system, because regular power converting system needs metastable input energy just can make effective operation of apparatus, and larger change can be there is in the wave energy that wave-type electric generator receives within the short period, such as within a wave energy cycle (3-8 second), wave energy power is changed to tens kilowatts from 0 kilowatt every meter, 0 kilowatt is changed to again from tens kilowatts every meter, violent wave energy changed power will make regular power converting system be difficult to normal work, even in repeatedly high frequency oscillation, cause destruction.In addition, wave-type electric generator works in away from the ocean of human settlement, maintenance is difficult to reach in time, so just require Wave energy conversion system can under unattended condition long-term stable operation, element is reliable, system stability is its necessary requirement, and most Wave energy conversion system can't accomplish that long-term autonomy runs in ocean at present.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
For prior art Problems existing, the present invention proposes a set of there is accumulation of energy link can the autonomous Wave energy conversion system run, to adapt to unstable wave energy current density, after wave-type electric generator throws in ocean, Wave energy conversion system can switch generating state adaptively, enables the independent operating that electricity generating device is efficient, stable for a long time.
In order to solve the problems of the technologies described above, technological scheme of the present invention is as follows:
A kind of there is accumulation of energy link can the autonomous Wave energy conversion system run, comprise by the oil hydraulic cylinder of powered by wave energy, by the leakproof fuel cell of setting speed range to the active chamber press-in hydraulic oil of oil hydraulic cylinder, for the gas cylinder inflated to leakproof fuel cell, and the accumulator of preliminary filling pressurized gas, autonomous hydraulic controller, oil hydraulic motor and hydraulic pressure energy equipment, the outlet of described gas cylinder connects the upper end of leakproof fuel cell by tracheae, and the reduction valve arranged on described tracheae for keeping setting pressure in leakproof fuel cell, lead to via the first oil inlet pipe the active chamber entrance of described oil hydraulic cylinder in the lower end of sealing fuel tank, the outlet of this active chamber leads to oil transportation main line via the first oil outlet tube, the second oil inlet pipe is drawn successively from oil transportation main line, 3rd oil inlet pipe, second oil inlet pipe leads to the lower end of described accumulator, 3rd oil inlet pipe is connected to the entrance of described autonomous hydraulic controller, the outlet of autonomous hydraulic controller connects one end of the second oil outlet tube, described oil hydraulic motor is arranged on the second oil outlet tube, and the output shaft of oil hydraulic motor is connected with the input shaft of hydraulic pressure energy equipment, the other end of the second oil outlet tube leads to oil return main line, oil return main line connects go back to the lower end of described leakproof fuel cell.
Further improvement of the present invention has:
Described have accumulation of energy link and also can comprise and to draw from the second oil inlet pipe position of described accumulator lower end and to lead to the first oil return bypass on described oil return main line by the autonomous Wave energy conversion system run, and this first oil return bypass is connected in series the first relief valve and the first one-way valve successively.
Described have accumulation of energy link and also can comprise and to draw from the first oil outlet tube and to lead to the second oil return bypass of the first oil inlet pipe by the autonomous Wave energy conversion system run, and this second oil return bypass is provided with oil hydraulic cylinder outlet valve group.
The filter and the second one-way valve that are connected in parallel is provided with at the second oil outlet tube position at the fuel-displaced place of described oil hydraulic motor.
The upper end of described leakproof fuel cell is also provided with the second relief valve.
Be provided with the first barometer at the tracheae position at described cylinder outlet place, be provided with the second barometer at the tracheae position near described leakproof fuel cell.
Described have accumulation of energy link and also can comprise and be serially connected on described tracheae, the first oil inlet pipe, the second oil inlet pipe, the 3rd oil inlet pipe respectively and be connected in the ball valve at the first relief valve two ends in parallel by the autonomous Wave energy conversion system run.
Of the present invention there is accumulation of energy link can the autonomous Wave energy conversion system run, under the pressure stabilization function of powered by wave energy and gas cylinder, the fluid in leakproof fuel cell is made to be pressed into oil hydraulic cylinder successively, accumulator, autonomous hydraulic controller, oil hydraulic motor, in leakproof fuel cell, form power cycle, metastable electric energy or other forms of energy is converted in the process by after the savings to certain critical value of the wave energy of high frequency instability, energy supply is interrupted under realizing moderate seas condition, continuous energy supply under medium unrestrained condition, when being greater than the unrestrained condition of design, overflow while hydraulic system energy supply, the system of remaining has optimum output.
Advantage of the present invention is: 1, can put aside the wave energy of high frequency instability, can discharge normally by equipment to hydraulic pressure again, avoid high frequency oscillation and impact, make conventional hydraulic motor, hydraulic pressure can equipment still can stablize in energy conversion system, high-efficiency operation, both solved by energy quality problems, extended working life again; 2, after accumulation of energy, wave energy conversion is carried out, energy supply is interrupted under can realizing moderate seas condition, continuous energy supply under medium unrestrained condition, when being greater than the unrestrained condition of design, if energy storage pressure increases sharply on safety value, then the first relief valve is opened automatically, and via the first one-way valve oil return, protection accumulator and pipeline safety thereof, realize overflow while energy supply, and keeping system has optimum output all the time; 3, the second one-way valve can avoid the fault that the plugged filter at the fuel-displaced place of oil hydraulic motor causes; 4, when leakproof fuel cell internal pressure is greater than the safety value of setting, the second relief valve is opened automatically, release pressure, can ensure the safety of leakproof fuel cell; 5, the air pressure in gas cylinder, leakproof fuel cell can be shown respectively by the first barometer, the second barometer; 6, utilize the ball valve arranged between each parts pipeline, all parts can be made to cut in time or cut out system, realize not shutting down maintenance process simulation system under operating mode, be also convenient to expand system or delete, there is very strong flexibility.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is modularization expander graphs of the present invention;
Description of reference numerals: 10, leakproof fuel cell; 11, gas cylinder; 12, the first barometer; 13, reduction valve; 14, the second barometer; 17, the second relief valve; 20, oil hydraulic cylinder; 30, accumulator; 33, the first relief valve; 34, the first one-way valve; 40, oil hydraulic motor; 42, autonomous hydraulic controller; 43, hydraulic pressure energy equipment; 44, filter; 45, the second one-way valve; 51, tracheae; 53, the first oil inlet pipe; 54, the first oil outlet tube; 55, the second oil return bypass; 56, oil transportation main line; 57, the second oil inlet pipe; 58, the first oil return bypass; 59, the 3rd oil inlet pipe; 513, oil return main line.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment
As shown in Figure 1, a kind of there is accumulation of energy link can the autonomous Wave energy conversion system run, comprise by the oil hydraulic cylinder 20 of powered by wave energy, by the leakproof fuel cell 10 of setting speed range to the active chamber press-in hydraulic oil of oil hydraulic cylinder 20, for the gas cylinder 11 inflated to leakproof fuel cell 10, and the accumulator 30 of preliminary filling pressurized gas, autonomous hydraulic controller 42, oil hydraulic motor 40 and hydraulic pressure energy equipment 43, the outlet of described gas cylinder 11 connects the upper end of leakproof fuel cell 10 by tracheae 51, and the reduction valve 13 arranged on described tracheae 51 for keeping setting pressure in leakproof fuel cell 10, lead to via the first oil inlet pipe 53 the active chamber entrance of described oil hydraulic cylinder 20 in the lower end of sealing fuel tank 10, the outlet of this active chamber leads to oil transportation main line 56 via the first oil outlet tube 54, the second oil inlet pipe 57 is drawn successively from oil transportation main line 56, 3rd oil inlet pipe 59, second oil inlet pipe 57 leads to the lower end of described accumulator 30, 3rd oil inlet pipe 59 is connected to the entrance of described autonomous hydraulic controller 42, the outlet of autonomous hydraulic controller 42 connects one end of the second oil outlet tube, described oil hydraulic motor 40 is arranged on the second oil outlet tube, and the output shaft of oil hydraulic motor 40 is connected with the input shaft of hydraulic pressure energy equipment 43, the other end of the second oil outlet tube leads to oil return main line 513, oil return main line 513 connects go back to the lower end of described leakproof fuel cell 10.
Further improvement of the present invention has:
Described have accumulation of energy link and also can comprise and to draw from the second oil inlet pipe 57 position of described accumulator 30 lower end and to lead to the first oil return bypass 58 on described oil return main line 513 by the autonomous Wave energy conversion system run, and this first oil return bypass 58 is connected in series successively the first relief valve 33 and the first one-way valve 34.
Described have accumulation of energy link and also can comprise and to draw from the first oil outlet tube 54 and to lead to the second oil return bypass 55 of the first oil inlet pipe 53 by the autonomous Wave energy conversion system run, and this second oil return bypass 55 is provided with oil hydraulic cylinder outlet valve group.
The filter 44 be connected in parallel and the second one-way valve 45 is provided with at the second oil outlet tube position at the described fuel-displaced place of oil hydraulic motor 40.
The upper end of described leakproof fuel cell 10 is also provided with the second relief valve 17.
Be provided with the first barometer 12 at tracheae 51 position in described gas cylinder 11 outlet port, be provided with the second barometer 14 at tracheae 51 position near described leakproof fuel cell 10.
Described have accumulation of energy link and also can comprise and be serially connected on described tracheae 51, first oil inlet pipe 53, second oil inlet pipe 57, the 3rd oil inlet pipe 59 respectively and be connected in the ball valve at the first relief valve 33 two ends in parallel by the autonomous Wave energy conversion system run.
Gas cylinder 11 in the present invention, can be nitrogen bottle or other inert gas filled gas cylinder, be introduced at this for nitrogen bottle.
In the present invention, leakproof fuel cell 10 upper end is connected with nitrogen bottle 11 by tracheae 51, installed barometer 12, reduction valve 13, barometer 14, ball valve 15, ball valve 16 successively by tracheae 51 between nitrogen bottle 11 to leakproof fuel cell 10, leakproof fuel cell 10 upper end connects relief valve 17 by tracheae 51.Leakproof fuel cell 10 lower end is connected to the active chamber of oil hydraulic cylinder 20 by the first oil inlet pipe 53, between leakproof fuel cell 10 to oil hydraulic cylinder 20, has installed ball valve 19, ball valve 26, one-way valve 21 successively.The active chamber of oil hydraulic cylinder 20 is connected to accumulator 30 by the first oil outlet tube 54, oil transportation main line 56, second oil inlet pipe 57, cone shaped one-way valve 25 has been installed by the first oil outlet tube 54, ball valve 31 installed by the second oil inlet pipe 57; Meanwhile, between the first oil outlet tube 54 to the first oil inlet pipe 53, cone shaped one-way valve 24, ball valve 22 and relief valve 23 have been installed.Accumulator 30 is connected with oil return main line 513 by the first oil return bypass 58, and in the first oil return bypass 58, ball valve 32 is connected one-way valve 34 again with after relief valve 33 parallel join, simultaneously, accumulator 30 is by the second oil inlet pipe 57, 3rd oil inlet pipe 59 is connected with autonomous hydraulic controller 42, 3rd oil inlet pipe 59 is provided with ball valve 41, autonomous hydraulic controller 42 is connected with oil hydraulic motor 40 filler opening by one end 510 of the second oil outlet tube, oil hydraulic motor 40 output shaft and hydraulic pressure are with being connected by equipment 43 input shaft, the unloading port of oil hydraulic motor 40 is connected with pipeline 512 by oil pipe 511, at the fuel-displaced place of oil hydraulic motor 40, one-way valve 45 is connected one-way valve 46 again with after filter 44 parallel join, and pass through the other end 512 of the second oil outlet tube, oil return main line 513 is connected with the lower end of leakproof fuel cell 10.
The present invention has accumulation of energy link can the autonomous Wave energy conversion system run, and its each element and Elementary Function EF and working state are described below:
Leakproof fuel cell 10 is hydraulic oil container, interior injection is greater than the hydraulic oil also pre-inflated with nitrogen of 3 times of accumulator 30 volumes, keep the pressure of about 0.1-0.2MPa, pressure when oil hydraulic cylinder 20 needs oil-feed in leakproof fuel cell 10 makes fluid can flow rapidly in the active chamber of oil hydraulic cylinder 20, the bottom of leakproof fuel cell 10 is hydraulic oil, top is inert nitrogen, and leakproof fuel cell 10 internal pressure can set according to the oil-feed rate request of oil hydraulic cylinder 20.In nitrogen bottle 11, preliminary filling high pressure nitrogen is as the pressure source of leakproof fuel cell 10 pressure, inflate to leakproof fuel cell 10 especially by reduction valve 13, ball valve 15, reduction valve 13 keeps set condition after being adjusted to pressure needed for leakproof fuel cell 10 always, if leakproof fuel cell 10 and its subsidiary component have gas permeation, the pressure that gas in nitrogen bottle 11 can set by reduction valve 13, for a long time to make-up gas in closed tank, ensures that in leakproof fuel cell 10, working pressure is normal.Pressure gauge 12 is for showing the pressure in nitrogen bottle 11, pressure gauge 14 is for showing the pressure in leakproof fuel cell 10, ball valve 15 is connected with the gas of leakproof fuel cell 10 for switching on or off nitrogen bottle 11, ball valve 16 is in closed condition usually, if desired discharges the gas in leakproof fuel cell 10 or is inflated in leakproof fuel cell 10 by ball valve 16, opens ball valve 16 and makes it be connected with outside.For preventing closed tank internal pressure from rising sharply, occurring peril, can arrange relief valve 17 at leakproof fuel cell 10 top, if leakproof fuel cell 10 internal pressure is greater than security setting value, then relief valve 17 is opened automatically, release pressure, ensures leakproof fuel cell 10 pressure security.Ball valve 19 on first oil inlet pipe 53 and ball valve 26 are in open mode usually, only have during maintenance and just close as required.
Oil hydraulic cylinder 20 is driven by wave energy apparatus, piston on it and piston rod move reciprocatingly, when the piston rod of oil hydraulic cylinder 20 is drawn out, hydraulic oil in leakproof fuel cell 10 enters the active chamber of oil hydraulic cylinder 20 under the effect of leakproof fuel cell 10 internal pressure by one-way valve 21, when the piston rod of oil hydraulic cylinder 20 is compressed, one-way valve 21 is closed, and in active chamber, hydraulic oil enters the first oil outlet tube 54.If ball valve 22 is opened, hydraulic oil then returns leakproof fuel cell 10 by cone shaped one-way valve 24, first oil inlet pipe 53; If ball valve 22 is closed, then hydraulic oil enters accumulator 30 by cone shaped one-way valve 25; Ball valve 22, relief valve 23, mitre velve 24 constitute oil hydraulic cylinder outlet valve group, and the fluid that closedown ball valve 22 can realize oil hydraulic cylinder 20 output enters accumulator 30, acting of exerting oneself; Open ball valve 22 can realize oil hydraulic cylinder export hydraulic oil be back in leakproof fuel cell 10, do not exert oneself and do not do work.Accumulator 30 is preliminary filling pressurized gas before operation, and after hydraulic oil enters accumulator 30, internal gas is further compressed, and energy is stored.Ball valve 31 is in open mode when accumulator 30 works, and can close ball valve 31 during maintenance accumulator 30; Ball valve 32 is in closed condition when accumulator 30 works, and can open ball valve 32 during maintenance.Time on accumulator 30 increased pressure to safety value, relief valve 33 is opened automatically, makes high pressure oil flow back to leakproof fuel cell 10 by one-way valve 34, one-way valve 18, ensures the safety of accumulator 30 and pipeline thereof.
During system worked well, when oil pressure in accumulator 30 rises to force value needed for generating or acting, autonomous hydraulic controller 42 is opened automatically, high-voltage oil liquid in accumulator 30 enters the filler opening of oil hydraulic motor 40 by one end 510 of the 3rd oil inlet pipe 59, second oil outlet tube, promote oil hydraulic motor 40 to rotate, and then drive hydraulic pressure to work by equipment 43.Unloading port's oil pipe 511 of oil hydraulic motor 40 is connected to the other end 512 of the second oil outlet tube, and the oil return of oil hydraulic motor 40 then flows back into leakproof fuel cell 10 through filter 44, one-way valve 46, one-way valve 18.For preventing filter 44 from blocking, can install one-way valve 45 in parallel with it, prevent filter 44 from blocking the fault caused, breakout pressure preset by one-way valve 45, opens when exceeding breakout pressure, closes lower than during breakout pressure, and function class is like relief valve.
Wherein, autonomous hydraulic controller 42 is authorized announcement date on December 31st, 2014, Authorization Notice No. is the autonomous hydraulic controller of the Wave energy converting device limited in the patent of invention of CN 102619792 B.
The present invention has accumulation of energy link: the piston rod to-and-fro motion of powered by wave energy oil hydraulic cylinder 20, when the piston rod of oil hydraulic cylinder 20 is pulled outwardly out, the pressure oil of leakproof fuel cell 10 inside flows into the active chamber of oil hydraulic cylinder 20, when the piston rod of oil hydraulic cylinder 20 is pressed inwardly fashionable, the fluid of oil hydraulic cylinder 20 active chamber inside enters accumulator 30 when ball valve 22 is closed by cone shaped one-way valve 25, accumulator 30 is preliminary filling pressurized gas before work, along with the hydraulic oil of oil hydraulic cylinder 20 inside is continued to squeeze into accumulator 30, in accumulator 30, gas is progressively compressed, energy is accumulated, oil pressure, air pressure progressively raises, when hydraulic fluid pressure reaches the accumulation of energy CLV ceiling limit value of autonomous hydraulic controller 42 setting, the oil circuit between accumulator 30 and oil hydraulic motor 40 opened by autonomous hydraulic controller 42, high pressure liquid force feed in accumulator 30 drives oil hydraulic motor 40 by autonomous hydraulic controller 42, oil hydraulic motor 40 and then driving hydraulic pressure can work by equipment 43, and fluid flow back into leakproof fuel cell 10 again, again power cycle is next time participated in.Fluid is in releasing course, and accumulator 30 internal pressure progressively reduces, and when pressure is reduced to the stopping energy supply lower limit of setting, autonomous hydraulic controller 42 cuts out, and accumulator 30 stops to oil hydraulic motor 40 fuel feeding, and oil hydraulic motor 40 stops to the energy supply of hydraulic pressure consumer.
Under moderate seas operating mode, the present invention have accumulation of energy link can the autonomous Wave energy conversion system device run can according to the generating of the automatic discontinuous property of above-mentioned rule; Under rough sea conditions, the fluid that generating discharges equals the fluid that oil hydraulic cylinder 20 inputs to accumulator 30, pressure is not less than the stopping energy supply lower limit of autonomous hydraulic controller 42 setting always, and wave energy hydraulic conversion system held continues energy supply within the scope of setting pressure.If in energy supply process, the incoming flow of accumulator 30 is greater than its hydraulic oil exported, pressure in accumulator 30 will exceed its setting upper safety limit, now relief valve 33 is opened, unnecessary flow is released back leakproof fuel cell 10, pressure can not exceed relief valve 33 all the time and set safety value, the operation that the system that ensure that is reliable, stable.
The present invention has accumulation of energy link can solve the problem wave energy of high frequency instability being converted to metastable electric energy or other forms of energy by the autonomous Wave energy conversion system run, provide ocean energy wave energy conversion plan and the equipment of complete set, can make that conventional hydraulic motor, generator still can be stablized in Wave energy conversion system, high-efficiency operation, both solve power generating quality problem, extend again the working life of conversion equipment; And hydraulic system is interrupted energy supply under can realizing moderate seas condition, continuous energy supply under medium unrestrained condition, when being greater than the unrestrained condition of design, hydraulic system is overflow while energy supply, makes system have optimum output all the time.
As Fig. 2, the present invention has accumulation of energy link can be divided into four modules by function by the autonomous Wave energy conversion system run, and is respectively fuel tank modules A, oil hydraulic cylinder module B, energy storage module C, oil hydraulic motor module D.The present invention can according to the expansion of Wave energy converting device power, module needed for increase system easily, expands system works ability.And each module has the ball valve be communicated with other module with closing, and each module can be made to cut system participation work easily, and the system that cuts out does not participate in work, is conducive to overhauling part of module under non-stop-machine operating mode.
Main feature of the present invention and benefit have: the difficult problem 1, solving the conversion of unconventional wave energy by the system of regular industrial element composition, low cost, high efficiency.2, system can independently be divided into fuel tank modules A, oil hydraulic cylinder module B, energy storage module C, oil hydraulic motor module D, and above-mentioned module can increase in systems in which easily or reduce; Each module is cut by ball valve, is cut out system, can realize maintenance process simulation system module under non-stop-machine operating mode, make application of the present invention have very strong flexibility.3, system autonomy runs, and does not need automatically controlled, its Security is improved greatly, meets long-time running under unattended condition.4, the present invention not only can be used for the wave energy of instability to be converted to stable electric energy, wave energy can also be converted to the acting of other forms of energy, as generator is changed to other hydraulic equipments, native system can Direct driver sea water desalting equipment, hydraulic crane etc.
Apparatus of the present invention not only can be used in wave energy apparatus, also can be applicable to other needs and are converted in the system of stable electric energy by the kinetic energy of instability, as in the systems such as wind-power electricity generation, the energy generating utilizing vehicle brake, have good popularizing application prospect.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.

Claims (7)

1. one kind there is accumulation of energy link can the autonomous Wave energy conversion system run, it is characterized in that: comprise by the oil hydraulic cylinder of powered by wave energy, by the leakproof fuel cell of setting speed range to the active chamber press-in hydraulic oil of oil hydraulic cylinder, for the gas cylinder inflated to leakproof fuel cell, and the accumulator of preliminary filling pressurized gas, autonomous hydraulic controller, oil hydraulic motor and hydraulic pressure energy equipment, the outlet of described gas cylinder connects the upper end of leakproof fuel cell by tracheae, and the reduction valve arranged on described tracheae for keeping setting pressure in leakproof fuel cell, lead to via the first oil inlet pipe the active chamber entrance of described oil hydraulic cylinder in the lower end of sealing fuel tank, the outlet of this active chamber leads to oil transportation main line via the first oil outlet tube, the second oil inlet pipe is drawn successively from oil transportation main line, 3rd oil inlet pipe, second oil inlet pipe leads to the lower end of described accumulator, 3rd oil inlet pipe is connected to the entrance of described autonomous hydraulic controller, the outlet of autonomous hydraulic controller connects one end of the second oil outlet tube, described oil hydraulic motor is arranged on the second oil outlet tube, and the output shaft of oil hydraulic motor is connected with the input shaft of hydraulic pressure energy equipment, the other end of the second oil outlet tube leads to oil return main line, oil return main line connects go back to the lower end of described leakproof fuel cell.
2. according to claim 1 there is accumulation of energy link can the autonomous Wave energy conversion system run, it is characterized in that: also comprise and to draw from the second oil inlet pipe position of described accumulator lower end and to lead to the first oil return bypass on described oil return main line, this first oil return bypass is connected in series the first relief valve and the first one-way valve successively.
3. according to claim 1 and 2 there is accumulation of energy link can the autonomous Wave energy conversion system run, it is characterized in that: also comprise and to draw from the first oil outlet tube and to lead to the second oil return bypass of the first oil inlet pipe, this second oil return bypass is provided with oil hydraulic cylinder outlet valve group.
4. the accumulation of energy link that has according to claim 1 or 2 or 3 can the autonomous Wave energy conversion system run, and it is characterized in that: be provided with the filter and the second one-way valve that are connected in parallel at the second oil outlet tube position at the fuel-displaced place of described oil hydraulic motor.
5. the accumulation of energy link that has according to claim 1 or 2 or 3 can the autonomous Wave energy conversion system run, and it is characterized in that: the upper end of described leakproof fuel cell is also provided with the second relief valve.
6. the accumulation of energy link that has according to claim 1 or 2 or 3 can the autonomous Wave energy conversion system run, it is characterized in that: be provided with the first barometer at the tracheae position at described cylinder outlet place, be provided with the second barometer at the tracheae position near described leakproof fuel cell.
7. the accumulation of energy link that has according to claim 1 or 2 or 3 can the autonomous Wave energy conversion system run, and it is characterized in that: also comprise and be serially connected on described tracheae, the first oil inlet pipe, the second oil inlet pipe, the 3rd oil inlet pipe respectively and be connected in the ball valve at the first relief valve two ends in parallel.
CN201510198464.2A 2015-04-23 2015-04-23 It is a kind of to have accumulation of energy link the autonomous Wave energy conversion system run Active CN104929856B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510198464.2A CN104929856B (en) 2015-04-23 2015-04-23 It is a kind of to have accumulation of energy link the autonomous Wave energy conversion system run

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510198464.2A CN104929856B (en) 2015-04-23 2015-04-23 It is a kind of to have accumulation of energy link the autonomous Wave energy conversion system run

Publications (2)

Publication Number Publication Date
CN104929856A true CN104929856A (en) 2015-09-23
CN104929856B CN104929856B (en) 2017-09-29

Family

ID=54117213

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510198464.2A Active CN104929856B (en) 2015-04-23 2015-04-23 It is a kind of to have accumulation of energy link the autonomous Wave energy conversion system run

Country Status (1)

Country Link
CN (1) CN104929856B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105822486A (en) * 2016-05-20 2016-08-03 三重型能源装备有限公司 Energy storage system and power station
CN105952697A (en) * 2016-05-20 2016-09-21 三重型能源装备有限公司 Energy conversion system and power station
CN106050758A (en) * 2016-05-20 2016-10-26 三重型能源装备有限公司 Energy storage system and power station
CN111828234A (en) * 2020-07-13 2020-10-27 北京瑞盈同创智能技术研究院有限公司 Wave energy power generation equipment control method and device and wave energy power generation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606376A (en) * 2012-04-01 2012-07-25 海南创冠智能网络技术有限公司 Constant-voltage and constant-frequency wave power generation device based on hydraulic transmission
CN102619792A (en) * 2012-03-21 2012-08-01 中国科学院广州能源研究所 Autonomous hydraulic controller of wave energy conversion device
WO2013053321A1 (en) * 2011-10-12 2013-04-18 Qu Yanming Oscillating piston-type wave power generation method and system
CN103498820A (en) * 2013-09-17 2014-01-08 中国船舶重工集团公司第七一〇研究所 Closed pressure maintaining oil tank suitable for hydraulic wave power generation device
CN103953493A (en) * 2014-04-14 2014-07-30 大连富远工业有限公司 Python-shaped wave power generation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013053321A1 (en) * 2011-10-12 2013-04-18 Qu Yanming Oscillating piston-type wave power generation method and system
CN102619792A (en) * 2012-03-21 2012-08-01 中国科学院广州能源研究所 Autonomous hydraulic controller of wave energy conversion device
CN102606376A (en) * 2012-04-01 2012-07-25 海南创冠智能网络技术有限公司 Constant-voltage and constant-frequency wave power generation device based on hydraulic transmission
CN103498820A (en) * 2013-09-17 2014-01-08 中国船舶重工集团公司第七一〇研究所 Closed pressure maintaining oil tank suitable for hydraulic wave power generation device
CN103953493A (en) * 2014-04-14 2014-07-30 大连富远工业有限公司 Python-shaped wave power generation device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105822486A (en) * 2016-05-20 2016-08-03 三重型能源装备有限公司 Energy storage system and power station
CN105952697A (en) * 2016-05-20 2016-09-21 三重型能源装备有限公司 Energy conversion system and power station
CN106050758A (en) * 2016-05-20 2016-10-26 三重型能源装备有限公司 Energy storage system and power station
CN106050758B (en) * 2016-05-20 2018-02-06 三一重型能源装备有限公司 Energy storage system and power plant
CN111828234A (en) * 2020-07-13 2020-10-27 北京瑞盈同创智能技术研究院有限公司 Wave energy power generation equipment control method and device and wave energy power generation system
CN111828234B (en) * 2020-07-13 2022-05-20 北京瑞盈同创智能技术研究院有限公司 Wave energy power generation equipment control method and device and wave energy power generation system

Also Published As

Publication number Publication date
CN104929856B (en) 2017-09-29

Similar Documents

Publication Publication Date Title
CN104121049B (en) Pressurized air electric energy storing system
CN203257492U (en) Compressed air electric power energy storage system
CN104929856A (en) Wave energy conversion system with energy storage link capable of operating automatically
CN203175635U (en) Air compression energy storage system
CN101435451A (en) Movable arm potential energy recovery method and apparatus of hydraulic excavator
CN104005802A (en) Compressed air energy storage system
CN111396288B (en) Power generation system based on constant pressure
CN203669848U (en) High-pressure chemical-agent filling skid-mounted equipment
CN102954050B (en) The piston type energy-storage system of a kind of hydraulic pressure-air pressure combination
CN103573315A (en) Compressed air and hydraulic combined micro-miniature compressed air energy storage system
CN103423124A (en) Solar air compressor energy-storing system
CN102352827B (en) Energy storage system
CN205001295U (en) Energy preserves device
CN202348527U (en) Energy storage system
CN211975319U (en) Power generation system
CN110645136B (en) Power generation system
CN107917074A (en) A kind of Special air compressor system to constant-pressure gas storage source supply
CN103486008A (en) Energy storage device and energy storage method
CN210718089U (en) Closed type circulating water device with voltage stabilizing function for electrode boiler
CN110714903A (en) Power generation system
CN105019960B (en) The storage of power system trough-electricity and peak regulation control system
CN109340204A (en) Numerical control processing concentrating type hydraulic system
CN111502893B (en) Power generation system for maintaining constant pressure by using high-density medium
CN111502890B (en) Multistage power generation system and operation method thereof
CN102913416B (en) Mechanical full-bridge type circulating liquid gas compressing part and energy storage system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant