CN212296701U - Wave energy power generation device - Google Patents
Wave energy power generation device Download PDFInfo
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- CN212296701U CN212296701U CN202020539584.0U CN202020539584U CN212296701U CN 212296701 U CN212296701 U CN 212296701U CN 202020539584 U CN202020539584 U CN 202020539584U CN 212296701 U CN212296701 U CN 212296701U
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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
- Y02E10/20—Hydro energy
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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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Abstract
A wave energy power generation device comprises a wave collecting device for collecting wave energy, an oil pumping device for converting the wave energy into pressure energy, a driving device for converting the pressure energy into kinetic energy, and a power collecting device for converting the kinetic energy into electric energy; the wave collecting device comprises a horn-shaped wave collecting device and a floater, the floater is connected with the oil pumping device through a connecting rod, the connecting rod moves up and down to pump hydraulic oil of a low-pressure oil cylinder in the driving device into the energy storage oil tank, and the hydraulic oil in the energy storage oil tank drives the hydraulic motor to rotate; the hydraulic motor is in power connection with a generator of the current collecting device and drives the generator to generate electricity; the output end of the generator is connected with the input end of the storage battery group. The utility model discloses unrestrained device is gathered to tubaeform can effectively collect the wave energy, and the oil pumping device turns into hydraulic energy with its high efficiency, and drive arrangement provides stable power for hydraulic motor generating set through the energy storage oil tank, and electric energy output is steady, and energy loss is few.
Description
Technical Field
The utility model relates to a power generation technology field especially relates to a wave energy power generation facility.
Background
The energy contained in the waves mainly refers to the kinetic energy and potential energy of the waves on the surface of the ocean, and wave energy devices which collect the wave energy and convert the wave energy into electric energy are arranged on the shore and float in the sea. The floating type wave energy device has relatively high total generating efficiency and excessively high manufacturing cost, the fixed type wave energy device has low manufacturing cost, but the typhoon resistance is poor, and the number of successful operation devices is small.
Disclosure of Invention
In order to overcome the problems, the utility model provides a wave energy power generation device with reasonable structural design, low construction difficulty and strong anti-typhoon capability.
The utility model adopts the technical proposal that: a wave energy power generation device comprises a wave collecting device for collecting wave energy, an oil pumping device for converting the wave energy into pressure energy, a driving device for converting the pressure energy into kinetic energy, and a power collecting device for converting the kinetic energy into electric energy;
the wave collecting device comprises a horn-shaped wave collecting device arranged in water, a floater is arranged in a horn mouth of the horn-shaped wave collecting device, and the floater can move up and down along with waves; the floater is upwards connected with a connecting rod along the axis of the horn-shaped wave gathering device and is connected with the oil pumping device through the connecting rod;
the oil pumping device comprises a plunger, a cylinder sleeve, an oil inlet valve and an oil outlet valve; one end of the connecting rod, which is far away from the floater, is connected with a plunger, and the plunger is arranged in the cylinder sleeve and is in sliding fit with the inner wall of the cylinder sleeve; the top of the cylinder sleeve is provided with an oil inlet valve and an oil outlet valve which are used for being connected with a driving device;
the driving device comprises a high-pressure oil tank, a hydraulic motor and a low-pressure oil tank; the oil outlet valve is communicated with the high-pressure oil tank through a one-way pipeline, and the oil inlet valve is communicated with the low-pressure oil tank through a one-way pipeline; the high-pressure oil tank comprises an energy storage oil tank, a pressure gauge and a safety overflow valve, wherein the energy storage oil tank is provided with a pressure gauge connector, and the pressure gauge connector is connected with a pressure gauge; the energy storage oil tank is communicated with the low-pressure oil tank through a pipeline, and a safety overflow valve is arranged on the pipeline between the energy storage oil tank and the low-pressure oil tank; the energy storage oil tank and the low-pressure oil tank are both connected with the hydraulic motor through pipelines;
the current collecting device comprises a generator and a storage battery pack, a connecting rod of a cylinder sleeve moves up and down to pump hydraulic oil of a low-pressure oil cylinder into an energy storage oil tank, the hydraulic oil in the energy storage oil tank drives a hydraulic motor to rotate, the hydraulic motor is in power connection with the generator and drives the generator to generate electricity, and the output end of the generator is connected with the input end of the storage battery pack.
Furthermore, a high-pressure side one-way check valve and a first maintenance valve are sequentially arranged on the one-way pipeline between the oil outlet valve and the high-pressure oil tank.
Furthermore, a low-pressure side one-way check valve and a second maintenance valve are sequentially arranged on the one-way pipeline between the oil inlet valve and the low-pressure oil tank.
Further, the driving device and the power collecting device are placed on the floating plate.
The utility model has the advantages that: when the power generation device works, the horn-shaped wave gathering device is strong in typhoon resistance, can adapt to various sea conditions, effectively collects wave energy, efficiently converts the wave energy into hydraulic energy through the oil pumping device, provides stable power for the hydraulic motor generator set through the energy storage oil tank, and is stable in electric energy output and low in energy loss.
Drawings
Fig. 1 is a schematic view of the working principle of the present invention.
Description of reference numerals: 1. a wave collecting device; 11. a wave gathering device; 12. a float; 2. an oil pumping device; 21. a connecting rod; 22. a cylinder liner; 23. a plunger; 24. an oil outlet valve; 25. a high pressure side one-way check valve; 26. an oil inlet valve; 27. a low pressure side one-way check valve; 3. a drive device; 31. a high-pressure oil tank; 311. an energy storage oil tank; 312. a pressure gauge; 313. a safety overflow valve; 32. a hydraulic motor; 33. a low-pressure oil tank; 34. a first side service valve; 35. a second service valve; 4. a current collecting device; 41. a generator; 42. and a battery storage bottle group.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of protection of the invention is not limited thereto:
referring to the attached drawings, the wave energy power generation device comprises a wave collecting device 1 for collecting wave energy, an oil pumping device 2 for converting the wave energy into pressure energy, a driving device 3 for converting the pressure energy into kinetic energy, and a power collecting device 4 for converting the kinetic energy into electric energy; the drive means 3 and the current collector means 4 are placed on the floating plate.
The wave collecting device 1 comprises a horn-shaped wave collecting device 11 which is arranged in water and has a downward horn mouth, a floater 12 is arranged in the horn mouth of the horn-shaped wave collecting device 11, and the floater 12 can move up and down along with waves; the floater 12 is upwards connected with a connecting rod 21 along the axis of the horn-shaped wave gathering device 11, and the floater 12 is connected with the oil pumping device 2 through the connecting rod 21;
the oil pumping device 2 comprises a plunger 23, a cylinder sleeve 22, an oil inlet valve 26 and an oil outlet valve 24; one end of the connecting rod 21, which is far away from the floater 12, is connected with a plunger 23, and the plunger 23 is arranged in the cylinder sleeve 22 and is in sliding fit with the inner wall of the cylinder sleeve 22; the top of the cylinder sleeve 22 is provided with an oil inlet valve 26 and an oil outlet valve 24 which are used for being connected with the driving device 3;
the driving device 3 comprises a high-pressure oil tank 31, a hydraulic motor 32 and a low-pressure oil tank 33; the oil outlet valve 24 is communicated with the high-pressure oil tank 31 through a one-way pipeline, and a high-pressure side one-way check valve 25 and a first maintenance valve 34 are sequentially arranged on the one-way pipeline between the oil outlet valve 24 and the high-pressure oil tank 31; the oil inlet valve 26 is communicated with the low-pressure oil tank 33 through a one-way pipeline, and a low-pressure side one-way check valve 27 and a second maintenance valve 35 are sequentially arranged on the one-way pipeline between the oil inlet valve 26 and the low-pressure oil tank 33; the high-pressure oil tank 31 comprises an energy storage oil tank 311, a pressure gauge 312 and a safety overflow valve 313, wherein a pressure gauge joint is arranged on the energy storage oil tank 311, and the pressure gauge 312 is connected to the pressure gauge joint; the energy storage oil tank 311 is communicated with the low-pressure oil tank 33 through a pipeline, and a safety overflow valve 313 is arranged on the pipeline between the energy storage oil tank 311 and the low-pressure oil tank 33; the energy storage oil tank 311 and the low-pressure oil tank 33 are both connected with the hydraulic motor 32 through pipelines;
the current collecting device 4 comprises a generator 41 and a storage battery group 42, the connecting rod 21 of the cylinder sleeve 22 moves up and down to pump the hydraulic oil of the low-pressure oil cylinder 33 into the energy storage oil tank 311, the hydraulic oil in the energy storage oil tank 311 drives the hydraulic motor 32 to rotate, the hydraulic motor 32 is in power connection with the generator 41 and drives the generator 41 to generate electricity, and an oil return port of the hydraulic motor 32 is communicated with the low-pressure oil cylinder 33; the output of the generator 41 is connected to the input of the battery pack 42.
The specific working principle is as follows: when the power generation device works, the horn-shaped wave gathering device 12 of the wave gathering device 1 collects waves from all directions through a horn mouth, so that the energy of the waves is gathered instantly, the floater 12 moves upwards in the slide way of the horn-shaped wave gathering device 12 under the pushing of the wave energy, the wave energy is converted into mechanical energy, the connecting rod 21 and the plunger 23 of the oil pumping device 2 are driven to move upwards in the cylinder sleeve 22, the hydraulic oil in the cylinder sleeve 22 is compressed, the hydraulic oil pressure is rapidly improved, when the hydraulic oil pressure in the cylinder exceeds the valve opening pressure of the oil outlet valve 24, the oil outlet valve 24 is opened, the high-pressure hydraulic oil is conveyed to the driving device 3 through the high-pressure side one-way check valve 25 and the first side maintenance valve 34, the mechanical energy is converted into pressure energy, the energy storage oil tank 311 of the driving device 3 continuously collects the high-pressure hydraulic oil, a great pressure difference is formed between the high-pressure, the hydraulic motor 32 is driven to rotate to drive the generator 41 of the current collector 4 to rotate together, so as to convert the pressure energy into electric energy, and the electric energy is stored in the accumulator battery 42 through a cable. After the high-pressure hydraulic oil in the energy storage oil tank 311 passes through the hydraulic motor 32, the pressure is reduced, the high-pressure hydraulic oil is converged into the low-pressure oil tank 33, at the moment of wave energy withdrawal, when the floater 12 moves downwards in the slideway of the bell-mouth-shaped wave collecting device 12, the hydraulic oil in the low-pressure oil tank 33 passes through the second maintenance valve 35, the low-pressure side one-way check valve 27 and the oil inlet valve 26 is opened, part of the hydraulic oil flows back into the cylinder sleeve 22 of the pump oil device 2, and after the wave collecting device 1 collects the next wave, the working process is repeated, so that the wave energy power generation device continuously and efficiently converts.
The function of the one-way check valve 25 on the high-pressure side of the oil pumping device 2 is to prevent the high-pressure hydraulic oil in the energy storage oil tank 311 of the driving device 3 from flowing back when the plunger 23 of the oil pumping device 2 descends, and ensure the one-way flow of the hydraulic oil in the system.
The low-pressure side check valve 27 of the oil pumping device 2 is used for preventing high-pressure hydraulic oil from flowing into the low-pressure oil tank 33 of the driving device 3 when the plunger 23 of the oil pumping device 2 moves upwards, and ensuring that a stable pressure difference is formed between the high-pressure oil tank 31 and the low-pressure oil tank 33 in the driving device 3.
The pressure gauge 312 in the high pressure oil tank 31 is used for displaying and monitoring the hydraulic oil pressure in the storage oil tank 311.
The safety relief valve 313 in the high-pressure oil tank 31 is used for automatically opening the safety relief valve 313 when the pressure of the hydraulic oil in the energy storage oil tank 311 exceeds a safety threshold value, bypassing the hydraulic oil to be relieved into the low-pressure oil tank 33, protecting the power generation device,
the first maintenance valve 34 and the second maintenance valve 35 in the driving device 3 are used for closing the maintenance valves and cutting off the oil circuit when the power generation device is in failure and needs to be maintained or is stopped.
The pipeline of the wave power generation device is a special hose, so that the friction generated by the up-and-down floating of the pipeline and the oil tank can be relieved.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention is intended to include equivalent technical means as would be understood by those skilled in the art from the inventive concepts.
Claims (4)
1. The wave energy power generation device is characterized in that: the device comprises a wave collecting device for collecting wave energy, an oil pumping device for converting the wave energy into pressure energy, a driving device for converting the pressure energy into kinetic energy, and a power collecting device for converting the kinetic energy into electric energy;
the wave collecting device comprises a horn-shaped wave collecting device arranged in water, a floater is arranged in a horn mouth of the horn-shaped wave collecting device, and the floater can move up and down along with waves; the floater is upwards connected with a connecting rod along the axis of the horn-shaped wave gathering device and is connected with the oil pumping device through the connecting rod;
the oil pumping device comprises a plunger, a cylinder sleeve, an oil inlet valve and an oil outlet valve; one end of the connecting rod, which is far away from the floater, is connected with a plunger, and the plunger is arranged in the cylinder sleeve and is in sliding fit with the inner wall of the cylinder sleeve; the top of the cylinder sleeve is provided with an oil inlet valve and an oil outlet valve which are used for being connected with a driving device;
the driving device comprises a high-pressure oil tank, a hydraulic motor and a low-pressure oil tank; the oil outlet valve is communicated with the high-pressure oil tank through a one-way pipeline, and the oil inlet valve is communicated with the low-pressure oil tank through a one-way pipeline; the high-pressure oil tank comprises an energy storage oil tank, a pressure gauge and a safety overflow valve, wherein the energy storage oil tank is provided with a pressure gauge connector, and the pressure gauge connector is connected with a pressure gauge; the energy storage oil tank is communicated with the low-pressure oil tank through a pipeline, and a safety overflow valve is arranged on the pipeline between the energy storage oil tank and the low-pressure oil tank; the energy storage oil tank and the low-pressure oil tank are both connected with the hydraulic motor through pipelines;
the current collecting device comprises a generator and a storage battery pack, a connecting rod of a cylinder sleeve moves up and down to pump hydraulic oil of a low-pressure oil cylinder into an energy storage oil tank, the hydraulic oil in the energy storage oil tank drives a hydraulic motor to rotate, the hydraulic motor is in power connection with the generator and drives the generator to generate electricity, and the output end of the generator is connected with the input end of the storage battery pack.
2. A wave energy power plant as defined in claim 1, wherein: and a high-pressure side one-way check valve and a first maintenance valve are sequentially arranged on the one-way pipeline between the oil outlet valve and the high-pressure oil tank.
3. A wave energy power plant as defined in claim 1, wherein: and a low-pressure side one-way check valve and a second maintenance valve are sequentially arranged on the one-way pipeline between the oil inlet valve and the low-pressure oil tank.
4. A wave energy power plant as defined in claim 1, wherein: the driving device and the power collecting device are all placed on the floating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539584.0U CN212296701U (en) | 2020-04-14 | 2020-04-14 | Wave energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539584.0U CN212296701U (en) | 2020-04-14 | 2020-04-14 | Wave energy power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296701U true CN212296701U (en) | 2021-01-05 |
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ID=73973381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020539584.0U Expired - Fee Related CN212296701U (en) | 2020-04-14 | 2020-04-14 | Wave energy power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212296701U (en) |
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2020
- 2020-04-14 CN CN202020539584.0U patent/CN212296701U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |