CN111472924A - Power generation device for sea wave power generation - Google Patents
Power generation device for sea wave power generation Download PDFInfo
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- CN111472924A CN111472924A CN202010369644.3A CN202010369644A CN111472924A CN 111472924 A CN111472924 A CN 111472924A CN 202010369644 A CN202010369644 A CN 202010369644A CN 111472924 A CN111472924 A CN 111472924A
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- liquid
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- 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
- F03B13/22—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 flow of water resulting from wave movements to drive a motor or turbine
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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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- 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 invention relates to a power generation device for sea wave power generation, which comprises a hydraulic generator and is characterized in that a liquid input port and a liquid output port are arranged on the hydraulic generator, the liquid input port is connected with a liquid input pipe, the liquid input pipe is connected with a hydraulic cylinder, the liquid output port is connected with a liquid output pipe, and the liquid output pipe is connected with the hydraulic cylinder, compared with the prior art, the power generation device has the advantages that: the fluctuation of sea waves can be utilized to drive the hydraulic rod and the piston to move up and down, so that the power generation device forms a set of device which enables the hydraulic generator to rotate quickly and generate power in a balanced manner by circulating liquid in the pipeline.
Description
Technical Field
The invention relates to a power generation device, in particular to a power generation device for sea wave power generation.
Background
The sea wave power generation device has the advantages that the sea area in Liaolian province is in China, the Bohai sea, the yellow sea, the east sea and the beautiful south sea are in China, inexhaustible energy sources are stored in ocean currents and ocean waves in the sea to wait for the development of the sea wave power generation device, the sea wave power generation device can utilize the fluctuation of the ocean waves to generate power, but the ocean waves are temporarily stopped at the wave peaks and the wave troughs, and therefore the generated power is unstable.
Although I have designed similar power generation devices, such as the following patent numbers: 2009101751613A device for increasing water level by using tidal energy is to increase water level by using tidal energy, send water to a reservoir and discharge the water to generate electricity, thus the electricity generation is relatively even, but the reservoir needs to be built, and the process is relatively complex.
In view of the above defects, the inventor of the present invention has studied for a long time to invent a wave power generation device which is simple in construction process, can be installed in large scale without constructing a water storage reservoir, and can generate electricity in a relatively balanced manner.
Disclosure of Invention
The invention aims to provide a power generation device for sea wave power generation, which comprises a hydraulic generator, wherein a liquid input port and a liquid output port are arranged on the hydraulic generator, the liquid input port is connected with a liquid input pipe, the liquid input pipe is connected with a hydraulic cylinder, the liquid output port is connected with a liquid output pipe, and the liquid output pipe is connected with the hydraulic cylinder;
the hydraulic cylinder is provided with a first interface, a second interface, a third interface and a fourth interface, the liquid input pipe is connected with the first interface, the liquid input pipe is provided with a first one-way valve, a second liquid input pipe is arranged between the first one-way valve and the liquid input port, the second liquid input pipe is communicated with the second interface, and the second liquid input pipe is provided with a second one-way valve;
the third interface is connected with a first return pipe, the first return pipe is communicated with the liquid output pipe, a third one-way valve is arranged between the first return pipe and the liquid output pipe, a second return pipe is arranged on the liquid output pipe, the second return pipe is communicated with the fourth interface, and a fourth one-way valve is arranged on the second return pipe;
the liquid input pipe is provided with a first hydraulic storage tank, and the liquid output pipe is provided with a second hydraulic storage tank;
a first air bag is arranged in the first hydraulic storage tank, and a second air bag is arranged in the second hydraulic storage tank;
the hydraulic cylinder comprises a hydraulic rod and a piston, the upper end of the hydraulic cylinder is provided with a shaft connecting hole, the shaft connecting hole is connected to the frame through a shaft, the upper end of the hydraulic rod is connected with the piston, the lower end of the hydraulic rod is provided with a connecting hole, the connecting hole is connected with a floating body through a shaft, the diameters of the liquid input pipe and the second liquid input pipe are larger than the diameter of a water wheel mounting part of the hydraulic generator, the diameters of the liquid output pipe, the first return pipe and the second return pipe are larger than the diameters of the liquid input pipe and the second liquid input pipe, the diameter of the hydraulic cylinder is larger than the diameters of the liquid output pipe, the first return pipe and the second return pipe, so that the pressure of the liquid input pipe and the second liquid input pipe can be increased, the hydraulic cylinder has the advantages that the rotating speed of the hydraulic generator is accelerated, resistance of liquid of the liquid output pipe, the first return pipe and the second return pipe is reduced, the flow speed is smoother, all pipelines connected with the hydraulic cylinder can be set as hydraulic hoses, and the hydraulic cylinder can swing flexibly.
Compared with the prior art, the invention has the beneficial effects that: the power generation device can not only utilize the fluctuation of sea waves to drive the hydraulic rod and the piston to move up and down to enable the power generation device to form a set of liquid to circulate in the pipeline to enable the hydraulic generator to rotate quickly for power generation, but also arrange a first hydraulic storage tank on the liquid input pipe and arrange a second hydraulic storage tank on the liquid output pipe, so that when the piston moves upwards, the pressure in the liquid input pipe is increased, part of the liquid can enter the first hydraulic storage tank for storage, a first air bag in the first hydraulic storage tank can be compressed to enable the pressure to be the same as the pressure in the liquid input pipe, the second hydraulic storage tank arranged on the liquid output pipe can generate negative pressure, the liquid in the second hydraulic storage tank can be sucked out, the second air bag is unfolded, when the piston moves to the highest point and pauses, the liquid stored in the first hydraulic storage tank is released to continue to drive the hydraulic generator to rotate, and the liquid flows into the second hydraulic storage tank with negative pressure, when the piston moves downwards, the pressure in the second liquid input pipe is increased, part of liquid can continue to enter the first hydraulic storage tank for storage, when the piston moves downwards to the lowest, the piston can pause for a short time, the liquid stored in the first hydraulic storage tank is released to continue to drive the hydraulic generator to rotate, and the liquid flows into the second hydraulic storage tank with negative pressure, so that the hydraulic generator rotates uniformly.
Drawings
FIG. 1 is a schematic cross-sectional view of the piston of the present invention traveling upward with fluid entering the first hydraulic reservoir;
FIG. 2 is a schematic cross-sectional view of the piston of the present invention traveling down the fluid entering the first hydraulic reservoir;
FIG. 3 is a schematic cross-sectional view of the flow of fluid from the first hydraulic reservoir to the second hydraulic reservoir of the present invention as the piston travels to a minimum dwell;
FIG. 4 is a schematic cross-sectional view of the flow of fluid from the first hydraulic reservoir to the second hydraulic reservoir during the piston stroke to the highest dwell of the present invention.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
As shown in the figure, a power generation device for sea wave power generation is provided, which comprises a hydraulic generator 11, wherein a liquid inlet and a liquid outlet are arranged on the hydraulic generator 11, the liquid inlet is connected with a liquid inlet pipe 12, the liquid inlet pipe 12 is connected with a hydraulic cylinder 18, the liquid outlet is connected with a liquid outlet pipe 15, the liquid outlet pipe 15 is connected with the hydraulic cylinder 18, the hydraulic cylinder 18 is provided with a first connector 35, a second connector 36, a third connector 37 and a fourth connector 38, the liquid inlet pipe 12 is connected with the first connector 35, the liquid inlet pipe 12 is provided with a first check valve 13, a second liquid inlet pipe 16 is arranged between the first check valve 13 and the liquid inlet, the second liquid inlet pipe 16 is communicated with the second connector 36, the second liquid inlet pipe 16 is provided with a second check valve 17, the third connector 37 is connected with a first return pipe 21, and the first return pipe 21 is communicated with the liquid outlet pipe 15, a third one-way valve 19 is arranged between the first return pipe 21 and the liquid output pipe 15, a second return pipe 22 is arranged on the liquid output pipe 15, the second return pipe 22 is communicated with a fourth interface 38, a fourth one-way valve 20 is arranged on the second return pipe 22, a first hydraulic storage tank 28 is arranged on the liquid input pipe 12, a second hydraulic storage tank 31 is arranged on the liquid output pipe 15, a first air bag 27 is arranged in the first hydraulic storage tank 28, a second air bag 30 is arranged in the second hydraulic storage tank 31, the hydraulic cylinder 18 comprises a hydraulic rod 25 and a piston 32, an axial connection hole is arranged at the upper end of the hydraulic cylinder 18, the axial connection hole is connected to the frame through an axial shaft, the upper end of the hydraulic rod 25 is connected with the piston 32, a connection hole is arranged at the lower end of the hydraulic rod 25, the connection hole is connected through an axial connection, the diameters of the liquid input pipe 12 and the second liquid input pipe 16 are, the diameters of the liquid output pipe 15, the first return pipe 21 and the second return pipe 22 are larger than the diameters of the liquid input pipe 12 and the second liquid input pipe 16, the diameter of the hydraulic cylinder 18 is larger than the diameters of the liquid output pipe 15, the first return pipe 21 and the second return pipe 22, thus the pressure of the liquid input pipe 12 and the second liquid input pipe 16 can be increased, the rotating speed of the hydraulic generator 11 is accelerated, the resistance of the liquid output pipe 15, the first return pipe 21 and the second return pipe 22 can be reduced, and the flow rate is smoother, the design can not only make the floating body move up and down by utilizing the fluctuation of sea waves, but also drive the hydraulic rod 25 and the piston 32 to move up and down, so that the power generation device forms a set of liquid to circulate in the pipeline to make the hydraulic generator 11 rotate quickly for power generation, moreover, the first hydraulic storage tank 28 is arranged on the liquid input pipe 12, the second hydraulic storage tank, thus, when the piston 32 moves upwards, the first check valve 13 opens, the pressure in the liquid input pipe 12 and the second liquid input pipe 16 increases simultaneously, the second check valve 17 closes, part of the liquid can enter the first hydraulic storage tank 28 for storage, the first air bag 27 in the first hydraulic storage tank 28 compresses, the pressure is the same as the pressure in the liquid input pipe 12, the second hydraulic storage tank 31 arranged on the liquid output pipe 15 generates negative pressure, the liquid in the second hydraulic storage tank is sucked out, the second air bag 30 expands, the third check valve 19 closes under the pressure of the liquid in the first return pipe 21, the liquid in the liquid output pipe 15 enters the hydraulic cylinder 18 below the piston 32 from the fourth port 38 through the second return pipe 22 and the fourth check valve 20, and when the piston 32 moves to the highest point, the pressure of the liquid stored in the first hydraulic storage tank 28 is released, the hydraulic generator 11 is driven to rotate continuously, the liquid flows into the second hydraulic storage tank 31 with negative pressure, when the piston 32 moves downward, the second check valve 17 opens, the fourth check valve 20 closes, the pressure in the second fluid input pipe 16 and the fluid input pipe 12 increases, and part of the fluid continues to enter the first hydraulic pressure storage tank 28 for storage, at the same time, the first one-way valve 13 is closed, the third one-way valve 19 is opened, the liquid in the liquid output pipe 15 enters the hydraulic cylinder 18 above the piston 32 from the third port 37 through the third one-way valve 19 and the first return pipe 21, when the piston 32 moves downward to the lowest level, a short pause also occurs, the liquid stored in the first hydraulic storage tank 28 is released, the hydraulic generator 11 is driven to rotate continuously, and the liquid flows into the second hydraulic storage tank 31 which is already at the negative pressure, so that the hydraulic generator 11 rotates uniformly, and the process is repeated.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The power generation device for sea wave power generation comprises a hydraulic generator and is characterized in that a liquid input port and a liquid output port are arranged on the hydraulic generator, the liquid input port is connected with a liquid input pipe, the liquid input pipe is connected with a hydraulic cylinder, the liquid output port is connected with a liquid output pipe, and the liquid output pipe is connected with the hydraulic cylinder.
2. A power plant as claimed in claim 1, characterized in that the hydraulic cylinder is provided with a first port, a second port, a third port and a fourth port, the fluid inlet pipe is connected to the first port, a first check valve is provided on the fluid inlet pipe, a second fluid inlet pipe is provided between the first check valve and the fluid inlet port, the second fluid inlet pipe is communicated with the second port, and a second check valve is provided on the second fluid inlet pipe.
3. A power plant as claimed in claim 2, wherein a first return pipe is connected to said third port, said first return pipe is connected to said liquid outlet pipe, a third check valve is disposed between said first return pipe and said liquid outlet pipe, a second return pipe is disposed on said liquid outlet pipe, said second return pipe is connected to said fourth port, and a fourth check valve is disposed on said second return pipe.
4. A power plant for ocean wave power generation as defined in claim 3, wherein said liquid inlet conduit is provided with a first hydraulic reservoir tank and said liquid outlet conduit is provided with a second hydraulic reservoir tank.
5. A power plant for ocean wave power generation according to claim 4, wherein a first air bag is provided in the first hydraulic storage tank and a second air bag is provided in the second hydraulic storage tank.
6. A power plant for wave power generation according to claim 5, characterized in that the hydraulic cylinder comprises a hydraulic rod and a piston, the upper end of the hydraulic cylinder is provided with a coupling hole, the coupling hole is coupled to the frame by a shaft, the upper end of the hydraulic rod is connected to the piston, the lower end of the hydraulic rod is provided with a connection hole, and the connection hole is connected to the floating body by a shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369644.3A CN111472924A (en) | 2020-05-05 | 2020-05-05 | Power generation device for sea wave power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369644.3A CN111472924A (en) | 2020-05-05 | 2020-05-05 | Power generation device for sea wave power generation |
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| Publication Number | Publication Date |
|---|---|
| CN111472924A true CN111472924A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010369644.3A Pending CN111472924A (en) | 2020-05-05 | 2020-05-05 | Power generation device for sea wave power generation |
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| CN (1) | CN111472924A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2272274A1 (en) * | 1974-05-22 | 1975-12-19 | Necsco Inc | Tidal energy utilising machine - uses drive from large floating piston to supply hydraulic motor and reservoir |
| US4683719A (en) * | 1985-12-27 | 1987-08-04 | Bonifac Martinak | Man made floating island |
| CN101251079A (en) * | 2008-03-05 | 2008-08-27 | 陈克敏 | Tide wave energy generating system |
| CN102345553A (en) * | 2011-10-15 | 2012-02-08 | 浙江大学舟山海洋研究中心 | Marine wave-energy power generating device |
| CN102132034B (en) * | 2008-08-06 | 2013-04-03 | 张益� | An oceanic wave energy utilization system |
| CN107654333A (en) * | 2017-10-31 | 2018-02-02 | 浙江海洋大学 | A kind of fluid pressure type wave-power device |
| CN108180102A (en) * | 2018-01-25 | 2018-06-19 | 清华大学 | A kind of fluid pressure type wave power generation system and fluid pressure type apparatus for generating electricity by wave force |
-
2020
- 2020-05-05 CN CN202010369644.3A patent/CN111472924A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2272274A1 (en) * | 1974-05-22 | 1975-12-19 | Necsco Inc | Tidal energy utilising machine - uses drive from large floating piston to supply hydraulic motor and reservoir |
| US4683719A (en) * | 1985-12-27 | 1987-08-04 | Bonifac Martinak | Man made floating island |
| CN101251079A (en) * | 2008-03-05 | 2008-08-27 | 陈克敏 | Tide wave energy generating system |
| CN102132034B (en) * | 2008-08-06 | 2013-04-03 | 张益� | An oceanic wave energy utilization system |
| CN102345553A (en) * | 2011-10-15 | 2012-02-08 | 浙江大学舟山海洋研究中心 | Marine wave-energy power generating device |
| CN107654333A (en) * | 2017-10-31 | 2018-02-02 | 浙江海洋大学 | A kind of fluid pressure type wave-power device |
| CN108180102A (en) * | 2018-01-25 | 2018-06-19 | 清华大学 | A kind of fluid pressure type wave power generation system and fluid pressure type apparatus for generating electricity by wave force |
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Application publication date: 20200731 |