CN109356780B - Wave energy power generation device - Google Patents
Wave energy power generation device Download PDFInfo
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- CN109356780B CN109356780B CN201811606419.6A CN201811606419A CN109356780B CN 109356780 B CN109356780 B CN 109356780B CN 201811606419 A CN201811606419 A CN 201811606419A CN 109356780 B CN109356780 B CN 109356780B
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- power generation
- generation device
- pressure
- wave energy
- collecting chamber
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- 238000010248 power generation Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000009825 accumulation Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- F03B13/22—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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a wave energy power generation device, which comprises a pressure collecting chamber, a pressure storage cylinder and a hydraulic generator, wherein a piston in the pressure collecting chamber and a floating body connected with the piston move up and down along the vertical direction under the action of a water body entering the pressure collecting chamber, the water body is guided into the pressure storage cylinder communicated with an outlet of the pressure collecting chamber from an inlet of the pressure collecting chamber in a one-way mode under the control of a one-way valve arranged in the pressure collecting chamber, the water body is discharged to the hydraulic generator by the pressure storage cylinder to drive the hydraulic generator to generate power, and when the floating body moves upwards to a certain height, the wave energy power generation device has the functions of wave prevention and wave absorption, has a simple structure and low cost, and has the advantages of environmental protection, energy conservation and high power generation.
Description
Technical Field
The invention relates to a wave energy power generation device, and belongs to the technical field of power generation.
Background
Along with the development of industry, the demand of human beings on electric power is increasing day by day, and among the current power generation mode, thermal power has the problem of not environmental protection, and solar energy power generation has the problem of equipment complicacy with high costs, and current power generation mode still includes hydroelectric power, and hydroelectric power generation mode includes the wave energy electricity generation, and current wave energy electricity generation has the problem that the device structure is complicated, and the effect is single.
Disclosure of Invention
The invention aims to provide a wave energy power generation device to solve one of the defects caused by the prior art.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a wave energy power generation device which comprises a floating body, a pressure accumulation barrel, a hydraulic power generator connected with the pressure accumulation barrel and a pressure collection chamber, wherein a plurality of hydraulic chambers are arranged in parallel in the pressure collection chamber;
furthermore, a piston and a one-way valve for controlling the one-way circulation of water flow from a water inlet of the pressure collecting chamber to a water outlet of the pressure collecting chamber are arranged in the hydraulic chamber;
the piston and a floating body connected with the piston move up and down along the vertical direction, and the water flow flowing into the pressure collecting chamber is discharged to a pressure accumulating cylinder communicated with a water outlet of the pressure collecting chamber through a one-way valve;
the floating body is connected with the piston through a connecting rod;
further, the floating body is connected with the connecting rod through a first hinge, and the piston is connected with the connecting rod through a second hinge.
Further, the device further comprises a frame for limiting the movement of the floating body;
further, the device also comprises a shore foundation, and the frame is fixed on the shore foundation.
Further, a ball for reducing the friction force between the floating body and the frame is arranged between the frame and the floating body.
Furthermore, the device also comprises a guide plate and a rectification bottom arranged at the water inlet of the pressure collecting chamber.
Furthermore, a stop valve used for limiting the up-and-down movement limit of the floating body is arranged in the hydraulic chamber.
Furthermore, a fixed pull ring is installed at the top of each floating body, and the floating bodies are sequentially connected through anchor chains penetrating through the pull rings.
Further, the hydraulic generator is provided with a return pipeline for discharging water flowing through the generator.
The invention has the beneficial effects that:
(1) after the water body enters the hydraulic chamber, the water pressure in the hydraulic chamber is increased, the piston and the floating body connected with the piston are pushed to move upwards, and a wave-proof wall can be formed, so that the device has wave-proof and wave-eliminating functions while generating electricity by utilizing wave energy;
(2) the piston and the floating body connected with the piston move up and down along the vertical direction under the action of waves, and the water in the hydraulic chamber is discharged to the pressure storage cylinder for the power generation of the hydraulic power generator connected with the pressure storage cylinder.
Drawings
Fig. 1 is a schematic structural diagram of a wave energy power generation device provided according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of another wave energy power generation device provided according to an embodiment of the invention;
fig. 3 is a cross-sectional view of a wave energy power generation device provided in accordance with an embodiment of the present invention;
in the figure: 1. a float; 2. a steel frame; 3. a connecting rod; 4. a baffle; 5. a water inlet; 6. a hydraulic cylinder; 7. a coastal foundation; 8. rectifying and laying the bottom; 9. a pressure collecting chamber; 10. a piston; 11. a power generation compartment; 12. a pressure storage cylinder; 13. a hydraulic generator; 14. a return line; 15. a hydraulic tank; 16. a first hinge; 17. a second hinge; 18. a first stop valve; 19. an anchor chain; 20. a ball bearing; 21. a one-way valve; 22. a second stop valve.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, the terms "above", "below", "top", "bottom", "upper", "lower", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be patterned and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
The embodiment provides a wave energy power generation device which comprises a floating body 1, a pressure storage cylinder 12, a hydraulic generator 13 and a pressure collection chamber 9 with a plurality of hydraulic chambers arranged inside, wherein the pressure collection chamber 9 is formed by pouring concrete.
The hydraulic chamber comprises a hydraulic cylinder 6 and a hydraulic capsule 15: the hydraulic cylinder 6 is positioned above the hydraulic cabin 15, and the hydraulic cylinder 6 is communicated with the hydraulic cabin 15:
the hydraulic chambers 15 are provided with one-way valves 21, the hydraulic chambers are communicated through the one-way valves, and the one-way valves 21 are used for controlling water flow to flow from the water inlet 5 of the pressure collecting chamber to the water outlet of the pressure collecting chamber 9 in a one-way mode;
a piston 10 matched with the hydraulic cylinder 6 in size is arranged in the hydraulic cylinder 6; the piston 10 is connected with the lower end of the connecting rod 3 through a second hinge 17, the connecting rod 3 passes through an opening arranged at the top of the hydraulic cylinder 6, and the upper end of the connecting rod 3 is connected with the floating body 1 through a first hinge 16; the top of the floating body 1 is provided with a fixed pull ring, and an anchor chain 19 passes through the fixed pull ring to sequentially connect a plurality of floating bodies;
the movement of the floating body 1 is limited by a steel frame 2 fixedly connected with a shore foundation 7, and can only move up and down along the vertical direction with a piston connected with the floating body; the floating body 1 and the steel frame 2 are connected in a sliding mode through balls, and the balls are used for reducing friction force between the floating body 1 and the steel frame 2;
the lower part of the shore foundation 7 is provided with a power generation cabin 11, a pressure accumulation barrel 12 is arranged in the power generation cabin 11, the water inlet end of the pressure accumulation barrel 12 is communicated with the water outlet of the pressure collection chamber 9, the water outlet end of the pressure accumulation barrel 11 is connected with a hydraulic power generator 13, and the hydraulic power generator 13 is provided with a return pipeline 14 communicated with the outside of the power generation cabin 11 through the opening of the power generation cabin 11.
The top of the water inlet 5 is provided with a guide plate 4, the bottom of the water inlet 5 is provided with a rectifying bottom 8, when waves are transmitted to the wave power generation device from deep sea, the motion track of water particles in a shallow water sea area near the shore is in a flat oval shape, the water particles at the water bottom do reciprocating motion along the horizontal direction, and water flows through the space between the guide plate 4 and the rectifying bottom 8 and enters a pressure collecting chamber 9 from the water inlet 5 at a higher speed;
the piston 10 in the hydraulic cylinder 6 and the floating body 1 connected with the piston 10 are pushed by water entering the pressure collecting chamber 9 to move upwards along the vertical direction, the top of the hydraulic cylinder 6 is provided with a second stop valve 22, and the second stop valve 22 can prevent the piston 10 and the floating body 1 connected with the piston 10 from departing from the preset track range when moving upwards to cause equipment damage; along with the propulsion of wave crests, the hydrodynamic pressure is transferred from the hydraulic chamber close to the water inlet 5 to the hydraulic chamber far away from the water inlet 5, so that the floating bodies close to the water inlet 5 and far away from the water inlet 5 move upwards in sequence, when the floating bodies move upwards to a certain height, a wave wall can be formed, and a plurality of floating bodies form a plurality of wave walls, so that the impact of waves on the coastal foundation 7 can be effectively reduced, and the waves with high water level and large wave height can be reduced to generate wave-crossing water;
with the propulsion of the wave trough, the dynamic water pressure at the floating body 1 changes from positive to negative, so that the floating body close to the water inlet 5 moves downwards in sequence to the floating body far away from the water inlet 5; the bottom of the hydraulic cylinder 6 is provided with a first stop valve 18 for preventing the piston 10 and the floating body 1 connected thereto from being out of a preset track range when moving downward, resulting in equipment damage; the floating body and the piston connected with the floating body move downwards to extrude the water body in the hydraulic chamber, and because the hydraulic chamber is provided with the check valve 21 which controls the unidirectional circulation of water flow from the water inlet 5 of the pressure collecting chamber to the water outlet of the pressure collecting chamber 9, the water body extruded by the piston in the hydraulic chamber can only be discharged to the water outlet of the pressure collecting chamber 9 through the check valve and flows to the hydraulic cylinder 12 communicated with the water outlet through the water outlet;
along with the reciprocating motion of waves, the water body continuously gushes into the pressure storage cylinder 12 through the device, when the pressure generated by the gushed water body in the pressure storage cylinder 12 meets the power generation condition, the pressure storage cylinder 12 controls high-pressure water flow to flow into the hydraulic power generator 13 through a pipeline connected with the hydraulic power generator 13 to drive the hydraulic power generator 13 to generate power, and the water body passing through the power generator 13 flows out through a return pipeline 14 connected with the power generator 13.
According to the wave energy power generation device provided by the embodiment of the invention, after waves flow into the pressure collecting chamber, under the drive of water pressure generated by wave propulsion and anchor chains connected with a plurality of floating bodies, the floating bodies close to the water inlet move upwards in sequence to the floating bodies far away from the water inlet, so that the floating bodies are arranged in a step shape, and the top planes of the floating bodies form a wave chopping inclined plane, so that the energy of incident waves can be effectively consumed, the wave overtopping amount is reduced, the wave preventing and wave eliminating effects are achieved, and the coastal foundation is protected; the floating body drives the piston to move along with the reciprocating motion of the waves, and the water body is discharged to the power generation device for power generation, and the equipment has a simple structure and is easy to install; the wave energy power generation device is used for generating power and has the advantages of energy conservation, environmental protection and high power generation efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A wave energy power generation device is characterized by comprising a floating body, a pressure accumulation barrel, a hydraulic generator connected with the pressure accumulation barrel, and a pressure collection chamber in which a plurality of hydraulic chambers are arranged in parallel;
the hydraulic chamber is internally provided with a piston and a one-way valve for controlling the one-way circulation of water flow from a water inlet of the pressure collecting chamber to a water outlet of the pressure collecting chamber;
the piston and a floating body connected with the piston move up and down along the vertical direction, and the water flow flowing into the pressure collecting chamber is discharged to a pressure accumulating cylinder communicated with a water outlet of the pressure collecting chamber through a one-way valve;
the device further comprises a frame for limiting the movement of the float; the frame is fixed on the coastal foundation.
2. The wave energy electric power generation device of claim 1, wherein balls are provided between the frame and the float for reducing friction between the float and the frame.
3. The wave energy power generation device of claim 1, further comprising a deflector plate and a fairing bed disposed at the water inlet of the plenum.
4. The wave energy power generation device of claim 1, wherein the float and piston are connected by a connecting rod.
5. The wave energy power generation device of claim 4, wherein the float and connecting rod are connected by a first hinge and the piston and connecting rod are connected by a second hinge.
6. The wave energy power generation device of claim 1, wherein a stop valve is disposed in the hydraulic chamber for limiting the limit of up-and-down movement of the float.
7. The wave energy power generation device of claim 1, wherein a fixed pull ring is mounted on the top of the floats, and a plurality of the floats are connected in sequence by anchor chains passing through the pull ring.
8. The wave energy power generation device of claim 1, wherein the hydraulic generator is provided with a return conduit for draining water flowing through the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606419.6A CN109356780B (en) | 2018-12-27 | 2018-12-27 | Wave energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606419.6A CN109356780B (en) | 2018-12-27 | 2018-12-27 | Wave energy power generation device |
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| Publication Number | Publication Date |
|---|---|
| CN109356780A CN109356780A (en) | 2019-02-19 |
| CN109356780B true CN109356780B (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811606419.6A Active CN109356780B (en) | 2018-12-27 | 2018-12-27 | Wave energy power generation device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159478A (en) * | 2019-04-30 | 2019-08-23 | 河海大学 | A kind of float hydraulic type wave water pumper |
| CN110172948B (en) * | 2019-07-02 | 2023-10-03 | 江苏科技大学 | Gushing-type floating breakwater and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795480Y (en) * | 2005-04-11 | 2006-07-12 | 樊中伟 | Water energy lifting device |
| CN102140996A (en) * | 2011-05-05 | 2011-08-03 | 东南大学 | Wave power device |
| CN104033327A (en) * | 2014-06-25 | 2014-09-10 | 长沙理工大学 | U-shaped tube type wave power generation device adopting double floaters |
| CN104314741A (en) * | 2014-10-09 | 2015-01-28 | 长沙理工大学 | Double-floating-body type wave energy power generation device utilizing water turbine |
| CN108590941A (en) * | 2018-04-20 | 2018-09-28 | 大连理工大学 | A kind of device for collecting wave energy using wave flowing pressure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883411A (en) * | 1988-09-01 | 1989-11-28 | Windle Tom J | Wave powered pumping apparatus and method |
| US7836689B2 (en) * | 2005-12-14 | 2010-11-23 | Sieber Joseph D | Oscillating water column energy accumulator |
-
2018
- 2018-12-27 CN CN201811606419.6A patent/CN109356780B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795480Y (en) * | 2005-04-11 | 2006-07-12 | 樊中伟 | Water energy lifting device |
| CN102140996A (en) * | 2011-05-05 | 2011-08-03 | 东南大学 | Wave power device |
| CN104033327A (en) * | 2014-06-25 | 2014-09-10 | 长沙理工大学 | U-shaped tube type wave power generation device adopting double floaters |
| CN104314741A (en) * | 2014-10-09 | 2015-01-28 | 长沙理工大学 | Double-floating-body type wave energy power generation device utilizing water turbine |
| CN108590941A (en) * | 2018-04-20 | 2018-09-28 | 大连理工大学 | A kind of device for collecting wave energy using wave flowing pressure |
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| CN109356780A (en) | 2019-02-19 |
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Inventor after: Peng Wei Inventor after: Yang Xueer Inventor after: Lu Fajing Inventor after: Liu Chang Inventor after: Zhang Yingnan Inventor before: Peng Wei Inventor before: Lu Fajing Inventor before: Liu Chang Inventor before: Yang Xueer Inventor before: Zhang Yingnan |
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