CN110863936A - Sea wave power generation device and method for generating power by using same - Google Patents

Sea wave power generation device and method for generating power by using same Download PDF

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Publication number
CN110863936A
CN110863936A CN201911237497.8A CN201911237497A CN110863936A CN 110863936 A CN110863936 A CN 110863936A CN 201911237497 A CN201911237497 A CN 201911237497A CN 110863936 A CN110863936 A CN 110863936A
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China
Prior art keywords
box body
sea
water
valve
water inlet
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Pending
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CN201911237497.8A
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Chinese (zh)
Inventor
陈兆红
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Ningbo Zhenhai Jiedeng Applied Technology Research Institute
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Ningbo Zhenhai Jiedeng Applied Technology Research Institute
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Priority to CN201911237497.8A priority Critical patent/CN110863936A/en
Publication of CN110863936A publication Critical patent/CN110863936A/en
Pending legal-status Critical Current

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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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/08—Tide or wave power plants
    • 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
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/004—Valve arrangements
    • 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
    • F03B15/00—Controlling
    • F03B15/02—Controlling by varying liquid flow
    • F03B15/04—Controlling by varying liquid flow of turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

A power generation device utilizing sea waves comprises a box body and is characterized in that an equipment installation cabin is arranged in the box body, at least one hydraulic generator is installed in the equipment installation cabin, a first water inlet and a first water outlet are formed in one end of the box body, a second water inlet and a second water outlet are formed in the other end of the box body, the second water inlet is communicated with the first water outlet through a first pipeline, the first water inlet is communicated with the second water outlet through a second pipeline, the first pipeline is installed above a wheel shaft of the hydraulic generator, the second pipeline is installed below the wheel shaft of the hydraulic generator, one hydraulic generator is installed in each box body and has small relative power, installation and construction are relatively easy, later maintenance is also relatively convenient, and when sea waves enter through the first water inlet, the water is used for power generation and maintenance, When the sea waves return, water is fed from the reservoir through the second water inlet to generate electricity, electricity is generated by bidirectional homoenergetic, and the effect of more balanced electricity generation can be realized after the small and more hydraulic generators are mutually connected in a grid.

Description

Sea wave power generation device and method for generating power by using same
Technical Field
The invention relates to a power generation device, in particular to a power generation device utilizing sea waves and a power generation method using the power generation device.
Background
The country has a Liaoning sea area, including yellow sea, east sea and beautiful south sea, and inexhaustible energy sources are stored in tides and sea waves in the sea to wait for development.
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 construction process is relatively difficult.
In view of the above-mentioned drawbacks, the inventor of the present invention has developed a wave power generating apparatus having a simple construction process through a long period of research.
Disclosure of Invention
The invention aims to provide a power generation device by utilizing sea waves and a power generation method by using the power generation device, which comprise a box body, wherein an equipment installation cabin is arranged in the box body, at least one hydraulic generator is installed in the equipment installation cabin, one end of the box body is provided with a first water inlet and a first water outlet, the other end of the box body is provided with a second water inlet and a second water outlet, the second water inlet is communicated with the first water outlet through a first pipeline, the first water inlet is communicated with the second water outlet through a second pipeline, the first pipeline is installed above a wheel shaft of the hydraulic generator, the second pipeline is installed below the wheel shaft of the hydraulic generator, and an equipment installation port is formed in the box body;
the plurality of box bodies can be spliced with each other;
the first pipeline is provided with a first valve at one side of the hydraulic generator, and the first pipeline is provided with a second valve at the other side of the hydraulic generator;
the second pipeline is provided with a third valve at one side of the hydraulic generator, and the second pipeline is provided with a fourth valve at the other side of the hydraulic generator;
the first valve, the second valve, the third valve and the fourth valve are all closed, so that seawater can be prevented from entering the equipment installation cabin;
a first one-way valve is arranged between the second valve and the first water outlet, and a second one-way valve is arranged between the third valve and the second water outlet;
the plurality of box bodies are spliced with each other, one end of each box body faces the sea, and the other end of each box body is provided with a reservoir;
a breakwater is arranged at one end of the box body facing the sea, and a reservoir dam is arranged at the other end of the box body;
a displacement prevention pin is arranged below the box body;
the power generation method by using the sea wave power generation device comprises the following steps:
the first water inlet and the second water inlet can be both designed into rectangular bell mouths, the highest point of the bell mouth is higher than the highest water level when tide rises, the lowest point of the bell mouth is lower than the lowest water level when tide falls, one splicing surface of the box body is provided with a conical dovetail joint, the other splicing surface of the box body is provided with a conical dovetail groove matched with the conical dovetail joint, the position of a water wheel generator is reserved when the box body is prefabricated, the interfaces of the first pipeline and the second pipeline are all prefabricated, then the first pipeline, the second pipeline, the first valve, the second valve, the third valve and the fourth valve are all installed, all the valves are closed, and the equipment installation port is also closed, the box body is in a sealed state;
(II) selecting a proper position to build the sea pond of the impounding reservoir, wherein a conical dovetail groove matched with the box body is arranged at the joint part of the sea pond and the box body, the position matched with the depth of seawater is selected according to the height of the box body, a first water inlet bell mouth of the box body faces to the front direction of sea waves, a dovetail joint of the box body is aligned to the dovetail groove and placed one by a crane, sealing materials are arranged at the joint part of the box body and the box body, and the sealing materials are also arranged at the joint part of impounding reservoir dams arranged on the box body, so that the impounding reservoir dams cannot leak water;
(III) after the reservoir is built, opening the equipment mounting port, mounting the hydraulic generators, connecting all the hydraulic generators to the grid, opening all the first valves, the second valves, the third valves and the fourth valves after the mounting is finished, wherein tide water can rise when rising tide or falling tide touches the bank, when sea waves rush to the bell mouth of the box body, the flow rate of the sea water can be increased due to the large outside and the small inside of the bell mouth, the sea water enters from the first water inlet to push the impeller of the hydraulic generator to rotate, so as to generate electricity, at the moment, the first check valve is in a closed state, when the sea water enters from the first water inlet to push the impeller of the hydraulic generator to rotate, the sea water enters from the second water outlet to enter the reservoir, and the water level of the reservoir is higher and higher, when the water level of cistern be higher than the water level of wave backspace, the sea water in the cistern can get into from the second water inlet, promote hydraulic generator impeller rotate and generate electricity, follow first delivery port flow out, flow to the sea, this moment the second check valve be in the closed condition, go forward when the wave through the horn mouth of box gather the energy back sea water continue to follow first water inlet get into the promotion hydraulic generator electricity generation, when the wave is backed off the sea water in the cistern can follow the second water inlet get into, promote hydraulic generator impeller rotate and generate electricity, go round and begin so. The box is provided with a plurality of boxes, and the time of sea waves reaching the box is around, so that the voltage of electricity generated by a plurality of the water wheel generators after grid connection can be basically stable.
Compared with the prior art, the invention has the beneficial effects that: the box body is designed to be box-shaped, so that the box body can be prefabricated on the shore conveniently, the conical dovetail groove and the conical dovetail groove are arranged on the joint surface of the box body, so that the installation is convenient, one hydraulic generator is installed in each box body, the relative power is small, the installation and construction are relatively easy, the later maintenance is also convenient, the water is fed from the reservoir by the first water inlet to generate electricity when sea waves enter, and the water is fed from the reservoir by the second water inlet to generate electricity when the sea waves retreat, so that the bidirectional homoenergetic power generation is realized, and the relatively balanced effect of the electricity generation can be realized after the.
Drawings
FIG. 1 is a schematic sectional view of the first embodiment of the present invention;
FIG. 2 is a schematic sectional view of the second embodiment of the present invention;
FIG. 3 is a schematic top view of the internal structure of the present invention;
FIG. 4 is a schematic view of a tapered dovetail groove structure of the splice face of the present invention;
FIG. 5 is a schematic structural diagram of the reservoir of the present invention after being constructed for water intake and power generation;
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, the wave power generation device and the method for generating power by the device are provided, the wave power generation device comprises a box body 1, an equipment installation cabin 19 is arranged in the box body 1, at least one hydraulic generator 20 is installed in the equipment installation cabin 19, one end of the box body 1 is provided with a first water inlet 3 and a first water outlet 5, the other end of the box body 1 is provided with a second water inlet 2 and a second water outlet 4, the second water inlet 2 is communicated with the first water outlet 5 through a first pipeline 7, the first water inlet 3 is communicated with the second water outlet 4 through a second pipeline 6, the first pipeline 7 is installed above a wheel shaft of the hydraulic generator 20, the second pipeline 6 is installed below the wheel shaft of the hydraulic generator 20, an equipment installation port 15 is arranged on the box body 1, the box body 1 is provided with a plurality of boxes and can be spliced with each other, a first valve 10 is installed on one side of the hydraulic generator 20 by the first pipeline 7, a, a third valve 12 is arranged on one side of the hydraulic generator 20 of the second pipeline 6, a fourth valve 13 is arranged on the other side of the hydraulic generator 20 of the second pipeline 6, the first valve 10, the second valve 11, the third valve 12 and the fourth valve 13 are all closed, seawater can be prevented from entering an equipment installation cabin 19, a first one-way valve 9 is arranged between the second valve 11 and the first water outlet 5, a second one-way valve 8 is arranged between the third valve 12 and the second water outlet 4, the plurality of boxes 1 are mutually spliced, one end of each box 1 faces the sea, the other end of each box 1 is provided with a reservoir 25, a breakwater 17 is arranged at one end of each box 1 facing the sea, a reservoir 18 is arranged at the other end of each box 1, and dam displacement prevention feet 16 are arranged below the boxes 1;
a power generation method by using a sea wave power generation device comprises the following steps:
the box body 1 can be prefabricated by reinforced concrete according to design, the first water inlet 3 and the second water inlet 2 can be both designed into rectangular bell mouths, the highest point of the bell mouth is higher than the highest water level when tide rises, the lowest point of the bell mouth is lower than the lowest water level when tide falls, one splicing surface of the box body 1 is provided with a conical dovetail joint 21, the other splicing surface of the box body 1 is provided with a conical dovetail groove 22 matched with the other splicing surface, the position of a water wheel generator 20 is reserved when the box body 1 is prefabricated, the interfaces of the first pipeline 7 and the second pipeline 6 are prefabricated, then the first pipeline 7, the second pipeline 6, the first valve 10, the second valve 11, the third valve 12 and the fourth valve 13 are all installed, all the valves are closed, the equipment installation port 15 is also closed, and the box body 1 is in a sealed state;
secondly, selecting a proper position to build a sea pond 24 of the reservoir 25, arranging a conical dovetail groove 22 matched with the box body 1 at the joint of the sea pond 24 and the box body 1, selecting a position matched with the depth of seawater according to the height of the box body 1, enabling a bell mouth of a first water inlet 3 of the box body 1 to face the front direction of sea waves, aligning a dovetail joint 21 of the box body 1 with the dovetail groove 22 to be placed one by using a crane, arranging sealing materials at the joint of the box body 1 and the box body 1, and arranging the sealing materials at the joint of the reservoir dam 18 arranged on the box body 1 in the same way so that the reservoir dam 18 cannot leak water;
after the reservoir 25 is built, the equipment mounting port 15 is opened, the hydraulic generators 20 are mounted, all the hydraulic generators 20 are connected to the grid, after the mounting is finished, all the first valves 10, the second valves 11, the third valves 12 and the fourth valves 13 are opened, tide water can rise when rising tide or falling tide touches the bank, when sea waves rush to the bell mouth of the box body 1, the flow speed of the sea water can be increased due to the large outer part and the small inner part of the bell mouth, the sea water enters from the first water inlet 3 to push the impeller of the hydraulic generators 20 to rotate, power generation is carried out, at the moment, the first one-way valve 9 is in a closed state, when the sea water enters from the first water inlet 3, the impeller of the hydraulic generators 20 is pushed to rotate, then the sea water enters from the reservoir 25 from the second water outlet 4, the water level of the reservoir 25 is higher and higher, when the water level of the reservoir 25 is higher than the water level of the reservoir 25 after the sea waves are backed, promote hydraulic generator 20 impeller to rotate and generate electricity, flow out from first delivery port 5, flow to the sea, second check valve 8 is in the closed condition this moment, and the sea water continues to get into from first water inlet 3 and promotes hydraulic generator 20 to generate electricity after the horn mouth of box 1 gathers energy when the sea wave gos forward, and the sea water in the cistern 25 can get into from second water inlet 2 when the sea wave retreats, promotes hydraulic generator 20 impeller rotation and generates electricity, and is so in cycles. The box body 1 is provided with a plurality of sets, and the time of sea waves arriving at the box body 1 is around, so that the voltage of electricity generated by a plurality of water wheel generators after grid connection can be basically stable.
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 (10)

1. The utility model provides an utilize wave power generation facility, includes the box, its characterized in that the box in be provided with equipment fixing cabin, equipment fixing cabin in install a hydraulic generator at least, box one end be provided with first water inlet and first delivery port, the box other end be provided with second water inlet and second delivery port, the second water inlet through first pipeline with first delivery port intercommunication, first water inlet through second pipeline with second delivery port intercommunication, first pipeline install hydraulic generator's shaft top, the second pipeline install hydraulic generator's shaft below, the box on be provided with the equipment fixing mouth.
2. An ocean wave power plant as set forth in claim 1, wherein the plurality of the boxes are connected to each other.
3. A wave power plant as set forth in claim 2, wherein said first duct is provided with a first valve on one side of said hydro-generator, and said first duct is provided with a second valve on the other side of said hydro-generator.
4. A wave power plant as set forth in claim 3, wherein said second duct is provided with a third valve on one side of the hydro-generator and said second duct is provided with a fourth valve on the other side of the hydro-generator.
5. An ocean wave power plant as set forth in claim 4, wherein the first valve, the second valve, the third valve and the fourth valve are all closed to prevent seawater from entering the equipment installation compartment.
6. A wave power plant as set forth in claim 5, characterized in that a first check valve is disposed between said second valve and said first water outlet, and a second check valve is disposed between said third valve and said second water outlet.
7. A wave power plant as set forth in claim 6, characterized in that said plurality of tanks are connected to each other, and one end of said tank faces the sea and the other end is provided with a reservoir.
8. A wave power plant as set forth in claim 7, wherein a breakwater is provided at one end of the tank toward the sea, and a reservoir dam is provided at the other end of the tank.
9. An ocean wave power plant as set forth in claim 8, wherein the box is provided with displacement prevention legs below.
10. A method of generating electricity from an ocean wave power plant according to claim 9, comprising the steps of:
the first water inlet and the second water inlet can be both designed into rectangular bell mouths, the highest point of the bell mouth is higher than the highest water level when tide rises, the lowest point of the bell mouth is lower than the lowest water level when tide falls, one splicing surface of the box body is provided with a conical dovetail joint, the other splicing surface of the box body is provided with a conical dovetail groove matched with the conical dovetail joint, the position of a water wheel generator is reserved when the box body is prefabricated, the interfaces of the first pipeline and the second pipeline are all prefabricated, then the first pipeline, the second pipeline, the first valve, the second valve, the third valve and the fourth valve are all installed, all the valves are closed, and the equipment installation port is also closed, the box body is in a sealed state;
(II) selecting a proper position to build the sea pond of the reservoir, wherein a conical dovetail groove matched with the box body is arranged at the joint of the sea pond and the box body, the position matched with the depth of seawater is selected according to the height of the box body, a bell mouth of the box body faces the front direction of sea waves, a dovetail tenon of the box body is aligned with the dovetail groove to be placed one by a crane, sealing materials are arranged at the joint of the box body and the box body, and the sealing materials are also arranged at the joint of the dam and the reservoir on the box body, so that the reservoir cannot leak water;
(III) after the reservoir is built, opening the equipment mounting port, mounting the hydraulic generators, connecting all the hydraulic generators to the grid, opening all the first valves, the second valves, the third valves and the fourth valves after the mounting is finished, wherein tide water can rise when rising tide or falling tide touches the bank, when sea waves rush to the bell mouth of the box body, the flow rate of the sea water can be increased due to the large outside and the small inside of the bell mouth, the sea water enters from the first water inlet to push the impeller of the hydraulic generator to rotate, so as to generate electricity, at the moment, the first check valve is in a closed state, when the sea water enters from the first water inlet to push the impeller of the hydraulic generator to rotate, the sea water enters from the second water outlet to enter the reservoir, and the water level of the reservoir is higher and higher, when the water level of cistern be higher than the water level after the sea wave recedes, the sea water in the cistern can enter from the second water inlet, promote hydraulic generator impeller rotate and generate electricity, follow first delivery port outflow, flow to the sea, this moment the second check valve be in the closed condition, when the sea wave advance through the horn mouth of box gather the energy the sea water continue follow first water inlet get into promote hydraulic generator generate electricity, when the sea wave recedes the sea water in the cistern can enter from the second water inlet, promote hydraulic generator impeller rotate and generate electricity, go round and go round like this, the box set up more, and the sea wave arrive the box time around, consequently the many voltage that hydraulic generator sent out after the grid-connected also can be basically stable.
CN201911237497.8A 2019-12-06 2019-12-06 Sea wave power generation device and method for generating power by using same Pending CN110863936A (en)

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CN201911237497.8A CN110863936A (en) 2019-12-06 2019-12-06 Sea wave power generation device and method for generating power by using same

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Application Number Priority Date Filing Date Title
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB349260A (en) * 1930-04-29 1931-05-28 English Electric Co Ltd Improvements in or relating to means for utilizing tidal energy
US4258269A (en) * 1979-05-03 1981-03-24 Junjiro Tsubota Wave power generator
CN101749167A (en) * 2008-12-10 2010-06-23 赫力股份有限公司 Positive and inverted siphon wave power generation method and the generator thereof
CN102062041A (en) * 2011-01-29 2011-05-18 浙江大学 Surfing-type wave generating device and method
CN102155000A (en) * 2011-05-06 2011-08-17 天津大学 Breakwater capable of generating electricity by using waves
CN202867081U (en) * 2012-10-31 2013-04-10 华北电力大学（保定） Bidirectional sea wave power generation device
CN103758686A (en) * 2013-12-26 2014-04-30 宁波大学 Combined type power generation device
US20150167649A1 (en) * 2012-04-25 2015-06-18 Geps Innov Energy Recovering Device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB349260A (en) * 1930-04-29 1931-05-28 English Electric Co Ltd Improvements in or relating to means for utilizing tidal energy
US4258269A (en) * 1979-05-03 1981-03-24 Junjiro Tsubota Wave power generator
CN101749167A (en) * 2008-12-10 2010-06-23 赫力股份有限公司 Positive and inverted siphon wave power generation method and the generator thereof
CN102062041A (en) * 2011-01-29 2011-05-18 浙江大学 Surfing-type wave generating device and method
CN102155000A (en) * 2011-05-06 2011-08-17 天津大学 Breakwater capable of generating electricity by using waves
US20150167649A1 (en) * 2012-04-25 2015-06-18 Geps Innov Energy Recovering Device
CN202867081U (en) * 2012-10-31 2013-04-10 华北电力大学（保定） Bidirectional sea wave power generation device
CN103758686A (en) * 2013-12-26 2014-04-30 宁波大学 Combined type power generation device

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