CN110285008A - A kind of Wave power generation device - Google Patents
A kind of Wave power generation device Download PDFInfo
- Publication number
- CN110285008A CN110285008A CN201910643931.6A CN201910643931A CN110285008A CN 110285008 A CN110285008 A CN 110285008A CN 201910643931 A CN201910643931 A CN 201910643931A CN 110285008 A CN110285008 A CN 110285008A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- connect
- power generation
- platform
- fuel tank
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1885—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
- F03B13/189—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem acting directly on the piston of a pump
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention relates to hydraulic engineering fields, specifically disclose a kind of Wave power generation device, including pile, platform, float, connecting bracket, hydraulic cylinder and hydraulic pressure unit, and connecting bracket one end rotation is connected on platform, and other end rotation is connected on float；The hydraulic cylinder is mounted on platform, and the piston rod rotation of hydraulic cylinder is connected in connecting bracket；The hydraulic pressure unit is mounted on platform, including the first check valve, second one-way valve, fuel tank, hydraulic motor and permanent magnet generator；The rodless cavity of the hydraulic cylinder is connect with the first check valve and second one-way valve respectively, and the rod chamber of the hydraulic cylinder is connect with fuel tank；First check valve is connect with fuel tank；The second one-way valve is connect with hydraulic motor；The shaft of the hydraulic motor is connect with permanent magnet generator shaft；The oil outlet of the hydraulic motor is connect with fuel tank.Generating device structure of the invention is simple and compact, and seawave power generation may be implemented, environmentally protective.
Description
Technical field
The present invention relates to hydraulic engineering fields, more particularly to a kind of Wave power generation device.
Background technique
China possesses more rich wave energy resource, and the wave energy storage capacity in most of sea areas is above, and at the South Sea
It can achieve 2Kw/m or more energy-flux density, wave height about 1.5m, wave period 6s can develop and use wave height, be conventionally recognized by SWH and be greater than
Wave energy can be developed for generating electricity when 1.3m.
But Chinese Sea energy gross reserves is huge, is China's electric power installed capacity several times, and it is just so rich in wave energy
Rich area, such as island slightly remote sites but have problems in powerup issue compared with continent.To medium-and-large-sized island
Speech will meet the life production needs on island, often to build costly seabed power supply cable and continental Grid and network.And
Small-sized island are not usually grid-connected with continental Grid, and the daily electricity consumption of local resident is not typically available stable power supply, right
The development and utilization on these island bring inconvenience.
But existing Wave power generation device is using absorbing seawater, and the potential energy of seawater is converted into electric energy, but this mould
Formula conversion ratio is not high, and centre has many energy that can lose；Such as Chinese patent application CN201810112448.0, disclose one
Kind Wave power generation device, needs to be arranged a large amount of floating body, can just maintain normal power generation, and have between floating body and floating body
A large amount of sea wave energy is lost, and is not fully utilized, and sea wave energy waste is serious；Generating equipment needs connect for a long time with seawater simultaneously
It touches, seawater has certain corrosivity, and long-term in this way, being easy to damage generating equipment, maintenance cost is high, furthermore faces extremely
Marine weather, the power generator can face huge security risk.
Summary of the invention
The object of the present invention is to provide a kind of Wave power generation device, regulated power can be generated, and structure is simple, be easy to
It realizes.
In order to solve the above technical problem, the present invention provides a kind of Wave power generation devices, including pile, platform, float, company
Bracket, hydraulic cylinder and hydraulic pressure unit are connect,
The platform is arranged between pile；
Connecting bracket one end rotation is connected on platform, and other end rotation is connected on float；
The hydraulic cylinder is mounted on platform, and the piston rod rotation of hydraulic cylinder is connected in connecting bracket；
The hydraulic pressure unit is mounted on platform, including the first check valve, second one-way valve, fuel tank, hydraulic motor and forever
Magnetic generator；
The rodless cavity of the hydraulic cylinder is connect with the first check valve and second one-way valve respectively, and the hydraulic cylinder has
Rod cavity is connect with fuel tank；
First check valve is connect with fuel tank；
The second one-way valve is connect with hydraulic motor；
The shaft of the hydraulic motor is connect by shaft coupling with permanent magnet generator shaft；
The oil outlet of the hydraulic motor is connect by oil pipe with fuel tank.
Preferably, the hydraulic pressure unit further includes protection system, and the protection system includes hydraulic pump, third list
To valve and three position four-way directional control valve, two top oil outlets of the three position four-way directional control valve respectively with the first check valve and hydraulic
The connection of cylinder rodless cavity；Two bottom end oilers of the three position four-way directional control valve are connect with fuel tank and third check valve respectively；Institute
It states third check valve to connect with hydraulic pump, the hydraulic pump is connect with fuel tank.
Preferably, the hydraulic motor includes constant displacement hydraulic motor and variable hydraulic motor.
Preferably, overflow valve is installed on the connecting line of the second one-way valve and hydraulic motor.
Preferably, accumulator is installed on the connecting line of the second one-way valve and hydraulic motor.
Preferably, the second one-way valve is connected with the first normally closed two position two-way valve, and described first normally closed two
Two-port valve is connect with fuel tank.
Preferably, second normally closed two is equipped on the variable hydraulic motor and the connecting line of second one-way valve
Position two-port valve.
Preferably, the pile is provided with four, four angles of the platform respectively be fixed on four pile columns,
And placing groove is offered among platform, the hydraulic pressure unit is fixed in placing groove.
Preferably, the centre of the connecting bracket is provided with reinforcing bar, the reinforcing bar cross-fixing, the liquid
The piston rod of compressing cylinder and the crosspoint of reinforcing bar connect.
The invention has the following advantages:
Wave power generation device of the invention rises float by wave, and float pushes the piston rod of hydraulic cylinder to rise,
Hydraulic oil in hydraulic cylinder rodless cavity is pushed out, and hydraulic oil flows through hydraulic motor, and hydraulic oil drives hydraulic motor work, hydraulic
Motor drives permanent magnet generator power generation, finally produces electricl energy；Float is fixed by connecting bracket and platform rotation, can be by wave
Vertical impact force translating rotation be mitigate support force, support force push piston rod, avoid the angle of power excessive, destroy it is hydraulic
Oil cylinder, and ferry-boat angle is too quickly when avoiding impact force of the float by wave, and float is caused to be destroyed.Hydraulic pressure unit is put simultaneously
It sets on platform, and by hydraulic oil as driving source, entire hydraulic pressure unit will not ensure that significantly power generation dress with contact with sea water
The safety set also reduces the maintenance cost of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Wave power generation device provided in an embodiment of the present invention；
Fig. 2 is the float motion diagram of Wave power generation device provided in an embodiment of the present invention；
Fig. 3 is the hydraulic pressure unit structural schematic diagram of Wave power generation device provided in an embodiment of the present invention；
Fig. 4 is the hydraulic pressure unit schematic diagram of Wave power generation device provided in an embodiment of the present invention；
Fig. 5 is the protection systematic schematic diagram of Wave power generation device provided in an embodiment of the present invention '
Fig. 6 is the connection frame of Wave power generation device provided in an embodiment of the present invention.
Appended drawing reference: 1, pile；2, platform；3, connecting bracket；4, float；5, hydraulic cylinder；6, hydraulic pressure unit；7, quantitative
Hydraulic motor；8, permanent magnet generator；9, variable hydraulic motor；10, the second normally closed two position two-way valve；11, fuel tank；12, accumulator；
13, overflow valve；14, the first check valve；15, second one-way valve；16, the first normally closed two position two-way valve；17, hydraulic pump；18, third
Check valve；19, three position four-way directional control valve；20, reinforcing bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Wave power generation device in the preferred embodiment of the present invention, including pile 1, platform 2,
Float 4, connecting bracket 3, hydraulic cylinder 5 and hydraulic pressure unit 6,
The platform 2 is arranged between pile 1；
3 one end of connecting bracket rotation is connected on platform 2, and other end rotation is connected on float 4；
The hydraulic cylinder 5 is mounted on platform 2, and the piston rod rotation of hydraulic cylinder 5 is connected to connecting bracket 3
On；
The hydraulic pressure unit 6 is mounted on platform 2, including the first check valve 14, second one-way valve 15, fuel tank 11, hydraulic
Motor and permanent magnet generator 8；
The rodless cavity of the hydraulic cylinder 5 is connect with the first check valve 14 and second one-way valve 15 respectively, the hydraulic oil
The rod chamber of cylinder 5 is connect with fuel tank 11；
First check valve 14 is connect with fuel tank 11；
The second one-way valve 15 is connect with hydraulic motor；
The shaft of the hydraulic motor is connect by shaft coupling with 8 shaft of permanent magnet generator；
The oil outlet of the hydraulic motor is connect by oil pipe with fuel tank 11.
It should be noted that float 4 can be set multiple, and multiple hydraulic cylinders 5 of arranging in pairs or groups are in parallel, respectively to hydraulic motor
Hydraulic oil is conveyed, generating efficiency is improved.
The working principle of the Wave power generation device of the preferred embodiment of the present invention: wave jacks up float 4, and float 4 is again by liquid
The piston rod of cylinder pressure jacks up, so that the hydraulic oil in hydraulic cylinder rodless cavity be extruded, hydraulic oil reaches oil after flowing through hydraulic motor
Case 11, so that hydraulic motor obtains power, driving permanent magnet generator 8 generates electricity；When wave is retracted, float 4 declines, the work of hydraulic cylinder
Stopper rod decline, hydraulic oil flow back into fuel tank 11 from rod chamber, and fuel tank 11 is pressed into hydraulic oil into rodless cavity；Constantly recycle this
Process realizes constantly power generation.
It is worth explanation, the first check valve 14 and second one-way valve 15 can prevent that hydraulic oil is straight in rodless cavity in hydraulic cylinder
It connects and flows away fuel tank 11, hydraulic oil stabilization is made to flow to hydraulic motor.
Referring to Fig. 5, in a preferred embodiment of the invention, the hydraulic pressure unit 6 further includes protection system, the protection system
Including hydraulic pump 17, third check valve 18 and three position four-way directional control valve 19, two tops of the three position four-way directional control valve 19 go out
Hydraulic fluid port is connect with the first check valve 14 and hydraulic cylinder rodless cavity respectively；Two bottom end oilers of the three position four-way directional control valve point
It is not connect with fuel tank 11 and third check valve 18；The third check valve 18 is connect with hydraulic pump 17, the hydraulic pump 17 and oil
Case 11 connects.
Specifically, the working principle of protection system: when offshore conditions are relatively severe or need to overhaul, can not continue to generate electricity
When, hydraulic pump 17 is started, hydraulic pump 17 smokes the hydraulic oil of fuel tank 11, and three position four-way directional control valve 18 leads hydraulic oil
To the rod chamber of hydraulic cylinder 5, the piston rod of hydraulic cylinder 5 is jacked up, and the piston rod of hydraulic cylinder 5 is held float 4 and risen, and is made
Float 4 is detached from sea, avoids float 4 impaired, plays the role of protecting float；And power generation can be made to fill by protection system
It sets and is reliably protected, so that power generation continuity is more preferable, avoids float impaired, lead to not generate electricity, keep power generation disconnected for a long time
It opens, it is discontinuous.
In a preferred embodiment of the invention, the hydraulic motor includes constant displacement hydraulic motor 7 and variable hydraulic motor 9.
In a preferred embodiment of the invention, overflow is installed on the connecting line of the second one-way valve 15 and hydraulic motor
Valve 13.
Specifically, overflow valve 13 can play level pressure overflow, pressure stabilizing, system unloaded and safeguard protection effect.
In a preferred embodiment of the invention, accumulation of energy is installed on the connecting line of the second one-way valve 15 and hydraulic motor
Device 12.
It is normal or when there is electric power to have more than needed in device power generation specifically, using accumulator 12, it can will be extra hydraulic
Oil stores, when wave-power device output is unstable, i.e., when wave is up to less than power generation requirements, and energy-storage system release
The hydraulic oil of storage, to guarantee the power supply to power grid.In addition, the frequency and voltage fluctuation of generation power can be effectively reduced,
Influence of the power fluctuation to power grid is reduced, the stability of the electric energy of device is improved.
In a preferred embodiment of the invention, the second one-way valve 15 is connected with the first normally closed two position two-way valve 16, described
Normally closed two position two-way valve is connect with fuel tank 11.
In a preferred embodiment of the invention, it is installed on the variable hydraulic motor 9 and the connecting line of second one-way valve 15
There is the second normally closed two position two-way valve 10.
In a preferred embodiment of the invention, the pile 1 is provided with four, 2 four angles of the platform respectively be fixed on
On four pile columns 1, and placing groove is offered among platform 2, the hydraulic pressure unit 6 is fixed in placing groove.
Specifically, 2 Corner Strapped of platform on four pile columns 1 of pile 1, makes platform 2 more firm at sea, while can
It to add cover board in placing groove, can thoroughly completely cut off hydraulic pressure unit 6 and external environment in this way, rainwater, seawater etc. is avoided to corrode,
Guarantee the safe and reliable of hydraulic pressure unit 6.
Referring to Fig. 6, the centre of the connecting bracket 3 is provided with reinforcing bar 20,20 cross-fixing of reinforcing bar, the liquid
The piston rod of compressing cylinder 5 is connect with the crosspoint of reinforcing bar 20.
It specifically, the connecting bracket 3 is reinforced by reinforcing column 20, can make it under the long-term impact of wave, keep
It is firm, it avoids float from falling off, the piston rod of hydraulic cylinder 5 is caused excessively to be pullled, lead to 5 oil leak of hydraulic cylinder, eventually lead to
Power generator damage, seawater is by hydraulic oil pollution.
In a preferred embodiment of the invention, the Wave power generation device further includes clamping device, and clamping device is fixed on flat
On platform, and hydraulic cylinder is clamped, hydraulic cylinder is fixed on platform by realization.
Specifically, can quickly dismount to hydraulic cylinder by clamping device, facilitate the Maintenance and Repair of hydraulic cylinder.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of Wave power generation device, it is characterised in that: including pile, platform, float, connecting bracket, hydraulic cylinder and hydraulic
Unit,
The platform is arranged between pile；
Connecting bracket one end rotation is connected on platform, and other end rotation is connected on float；
The hydraulic cylinder is mounted on platform, and the piston rod rotation of hydraulic cylinder is connected in connecting bracket；
The hydraulic pressure unit is mounted on platform, including the first check valve, second one-way valve, fuel tank, hydraulic motor and permanent magnetism hair
Motor；
The rodless cavity of the hydraulic cylinder is connect with the first check valve and second one-way valve respectively, the rod chamber of the hydraulic cylinder
It is connect with fuel tank；
First check valve is connect with fuel tank；
The second one-way valve is connect with hydraulic motor；
The shaft of the hydraulic motor is connect by shaft coupling with permanent magnet generator shaft；
The oil outlet of the hydraulic motor is connect by oil pipe with fuel tank.
2. Wave power generation device as described in claim 1, it is characterised in that: the hydraulic pressure unit further includes protection system, institute
Stating protection system includes hydraulic pump, third check valve and three position four-way directional control valve, two tops of the three position four-way directional control valve
Oil outlet is connect with the first check valve and hydraulic cylinder rodless cavity respectively；Two bottom end oilers of the three position four-way directional control valve point
It is not connect with fuel tank and third check valve；The third check valve is connect with hydraulic pump, and the hydraulic pump is connect with fuel tank.
3. Wave power generation device as described in claim 1, it is characterised in that: the hydraulic motor include constant displacement hydraulic motor and
Variable hydraulic motor.
4. Wave power generation device as described in claim 1, it is characterised in that: the connection of the second one-way valve and hydraulic motor
Overflow valve is installed on pipeline.
5. Wave power generation device as described in claim 1, it is characterised in that: the connection of the second one-way valve and hydraulic motor
Accumulator is installed on pipeline.
6. Wave power generation device as described in claim 1, it is characterised in that: the second one-way valve is connected with first normally closed two
Position two-port valve, the first normally closed two position two-way valve are connect with fuel tank.
7. Wave power generation device as claimed in claim 3, it is characterised in that: the variable hydraulic motor and second one-way valve
Second normally closed two position two-way valve is installed on connecting line.
8. Wave power generation device as described in claim 1, it is characterised in that: the pile is provided with four, the platform four
A angle respectively be fixed on four pile columns, and placing groove is offered among platform, the hydraulic pressure unit is fixed in placing groove.
9. Wave power generation device as described in claim 1, it is characterised in that: the centre of the connecting bracket is provided with reinforcing
Bar, the reinforcing bar cross-fixing, the piston rod of the hydraulic cylinder and the crosspoint of reinforcing bar connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910643931.6A CN110285008A (en) | 2019-07-17 | 2019-07-17 | A kind of Wave power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910643931.6A CN110285008A (en) | 2019-07-17 | 2019-07-17 | A kind of Wave power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110285008A true CN110285008A (en) | 2019-09-27 |
Family
ID=68023063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910643931.6A Pending CN110285008A (en) | 2019-07-17 | 2019-07-17 | A kind of Wave power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110285008A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196722A (en) * | 2020-10-10 | 2021-01-08 | 上海海事大学 | Wave power generation system with adjustable input power |
-
2019
- 2019-07-17 CN CN201910643931.6A patent/CN110285008A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196722A (en) * | 2020-10-10 | 2021-01-08 | 上海海事大学 | Wave power generation system with adjustable input power |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110805524B (en) | Offshore solar energy, wind energy and wave energy complementary power generation equipment | |
| US10344741B2 (en) | Hydro-pneumatic energy storage system | |
| CN202926515U (en) | Floating type wave energy seawater desalting device | |
| CN204606157U (en) | A kind of elemental floating body and Combined type waterborne platform | |
| CN111628561A (en) | Movable floating platform system based on clean energy | |
| CN105019397A (en) | Novel bank protection structure carrying out power generation through wind and water level changes | |
| CN105804915A (en) | A stable power generation method for converting multiple kinds of ocean energy into usable electric energy | |
| CN104696147A (en) | Ocean wave hydraulic electricity generation ship | |
| CN104632516A (en) | Gravity pendulum-sliding block type floater wave energy power generation device | |
| CN110285008A (en) | A kind of Wave power generation device | |
| CN105804927A (en) | Wave power generation device fixed by coast in floating manner | |
| CN211819781U (en) | Integrated wave power generation device | |
| CN1199822A (en) | Sea wave power generator | |
| CN113107749A (en) | Movable wave energy storage generator | |
| CN103216724B (en) | A kind of seabed stores the system and method for pressurized gas | |
| CN103953493A (en) | Python-shaped wave power generation device | |
| CN204039143U (en) | The complementary sea water desalinating plant of wind-force, waterpower | |
| CN206903807U (en) | Hang desk-top Wave power generation device | |
| CN104564508A (en) | Tidal power generation device | |
| CN210087533U (en) | Water hammer pump sea wave power generation system for pumping water by utilizing oscillating water column | |
| CN210565393U (en) | Novel energy storage hydraulic system of offshore platform | |
| CN211174443U (en) | Sea wave power generation device | |
| CN214412576U (en) | Marine booster station basis | |
| CN213279255U (en) | Movable floating platform system based on clean energy | |
| CN211852042U (en) | Automatic drainage equipment suitable for point floating type wave power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |