CN115163450A - Gas compression device, compression method, power generation method and application in wind wave power generation - Google Patents

Gas compression device, compression method, power generation method and application in wind wave power generation Download PDF

Info

Publication number
CN115163450A
CN115163450A CN202210558823.0A CN202210558823A CN115163450A CN 115163450 A CN115163450 A CN 115163450A CN 202210558823 A CN202210558823 A CN 202210558823A CN 115163450 A CN115163450 A CN 115163450A
Authority
CN
China
Prior art keywords
cavity
air
air outlet
compressed
communicated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210558823.0A
Other languages
Chinese (zh)
Other versions
CN115163450B (en
Inventor
施伟
李昕
王文华
赵海盛
张礼贤
付杰
田忠梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian University of Technology
Original Assignee
Dalian University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian University of Technology filed Critical Dalian University of Technology
Priority to CN202210558823.0A priority Critical patent/CN115163450B/en
Publication of CN115163450A publication Critical patent/CN115163450A/en
Application granted granted Critical
Publication of CN115163450B publication Critical patent/CN115163450B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1885—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
    • F03B13/189—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem acting directly on the piston of a pump
    • 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
    • F03B13/24—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 to produce a flow of air, e.g. to drive an air turbine
    • 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
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F04B39/0022—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons piston rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1006—Adaptations or arrangements of distribution members the members being ball valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

A gas compression device, a compression method, a power generation method and application in wind wave power generation are provided. Belong to marine renewable energy utilization field, in order to solve wave energy make full use of's problem, the main points are including a pump package, and the pump package includes first piston pump and second piston pump, and first piston pump is located the top of second piston pump, and the first chamber of each piston pump is located the top in second chamber, and the effect has improved wave energy utilization efficiency.

Description

Gas compression device, compression method, power generation method and application in wind wave power generation
The application is a divisional application with the application number 202110961320.3, application date 2021-08-20 and the name of the invention, namely an oscillating float type wave energy power generation device, an oscillating float type wave energy power generation method and a wave energy combined power generation system.
Technical Field
The invention belongs to the field of offshore renewable energy utilization, and relates to a novel wind and wave energy combined power generation system based on a semi-submersible floating platform.
Background
With the exhaustion of fossil energy and the increasing severity of global warming environment problems, clean marine renewable energy sources such as wind energy, wave energy, tidal current energy and the like are gradually becoming research hotspots. The field of offshore wind power generation is rapidly developed and becomes the fastest energy source for the development of ocean renewable energy sources. With the rapid development of offshore wind power technology, the scale of an offshore wind turbine is larger and larger, and the offshore wind turbine is farther and farther from the shore, so that the semi-submersible floating platform becomes a research hotspot. Wave energy is huge energy, but the energy conversion efficiency is low, the unit power generation cost is high, and the commercialization of the wave energy is limited to a certain extent. In order to effectively utilize the offshore renewable energy, the two devices are combined by sharing the space, the supporting structure and the power transmission infrastructure, so that the cost of the device can be effectively reduced, and the utilization efficiency of the offshore renewable energy can be improved.
Disclosure of Invention
In order to solve the problem of fully utilizing wave energy, the invention provides the following technical scheme: the air compression device comprises a pump set, wherein the pump set comprises a first piston pump and a second piston pump, the first piston pump is located above the second piston pump, a cavity of the first piston pump is divided into a first cavity and a second cavity by a partition plate, the two cavities are communicated at the rear parts of the cavities, a piston rod is installed in the first cavity, the cavity of the second piston pump is divided into a first cavity and a second cavity by a partition plate, the two cavities are communicated at the rear parts of the cavities, a piston rod is installed in the second cavity, the first cavity of each piston pump is located above the second cavity, air pressure controls are installed at the front parts of the first cavity and the second cavity, air outlet controls are installed at the front parts of the first cavity and the second cavity, the air pressure controls are constructed in such a way that when air in the cavity is compressed, the air inlet communicated with outside air is closed by the air pressure controls, an air inlet communicated with the outside air is opened by the cavity in the other cavity by the air pressure controls, and an air outlet communicated with the air device is closed by the other cavity.
The invention has the beneficial effects that: the novel piston pump is adopted, and the piston pump can spray compressed air to the turbine generator to drive the blades of the turbine generator to rotate to generate power no matter the floater ascends or sinks, so that the utilization efficiency of wave energy is improved.
Drawings
FIG. 1 is a schematic perspective view of a wind and wave energy combined power generation system based on a semi-submersible floating platform.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic diagram of an oscillating float type wave energy power generation device.
Fig. 4 is a schematic view of the working principle of the piston pump.
Fig. 5 is a schematic diagram of the internal structure of the air pressure control.
Fig. 6 is a schematic diagram of the internal structure of the air outlet control.
In the figure: 1. an offshore wind turbine; 2. a tower drum; 3. a buoyancy tank; 4. an oscillating float type wave power generation device; 5. a column; 6. a heave plate; 7. an anchor chain; 8. an outside air outlet; 9. a turbine generator; 10. a central gas transmission port of the piston pump; 11. an external air inlet; 12. an air pressure control; 13. an air outlet control; 14. a piston pump; 15. a piston rod; 16. a fixed pivot; 17.t-bar; 18. oscillating the float; 19. a turbine generator chamber; 20. air chamber, 21, first chamber, 22, second chamber, 23 baffle, 24, hollow cylinder, 25, bottom opening, 26, ball cage, 27, pressure control ball, 28, arc cage, 29, air outlet ball.
Detailed Description
The following further describes the specific embodiments of the present invention with reference to the drawings and technical solutions. In one embodiment, as shown in fig. 3, the oscillating float type wave energy power generation device 4 comprises a turbine generator, a turbine generator chamber 19, an air chamber 20 and an oscillating float 18, wherein the turbine generator chamber 19 carries the turbine generator, the air chamber 20 carries an air compression device, compressed air generated by the air compression device is supplied to the turbine generator chamber 19 to drive blades of the turbine generator to rotate, and the oscillating float 18 floats in a water area and acts on the air compression device with the energy stored in the floating to compress and supply the air.
In one scheme, as shown in fig. 4, the gas compression device is a piston pump 14, a cavity of the piston pump 14 is divided into a first cavity 21 and a second cavity 22 by a partition plate 23, the two cavities are communicated at the rear part of the cavity, a piston rod 15 is installed in only one cavity, the first cavity 21 is located above the second cavity 22, air pressure controls 12 are installed at the front parts of the first cavity 21 and the second cavity 22, an air outlet control 13 is installed at the front parts of the first cavity 21 and the second cavity 22, the air pressure controls 12 are configured such that when air in the cavity where the air pressure controls 12 are located is compressed, the air inlet where the cavity where the air pressure controls 12 are located is communicated with outside air is closed, the air outlet control 13 is configured such that when air in one cavity is compressed, an air outlet where one cavity is communicated with the air outlet device is opened, an air outlet where the other cavity is closed is communicated with the air outlet device is closed, the oscillation control 18 is hinged to a connection part, and the connection part is connected with the piston rod 15. The device is used as an independent scheme, the problem of compression and injection limitation is solved, and the gas compression device can realize that any piston rod can inject compressed gas by pushing or pulling back in any cavity.
In one embodiment, as shown in fig. 5, the air pressure control member 12 is a hollow cylinder 24, a bottom opening 25 at the front end of the cylinder, a bottom opening 25 at the rear end of the cylinder and forming a ball cage 26 outwards from the openings, a pressure-controlled ball 27 moving back and forth in the hollow of the cylinder and configured to move towards the bottom opening 25 at the front end when air in a cavity of the piston pump 14 is compressed, so as to block and close the bottom opening 25 and isolate the cavity from the outside air; and moves to the rear bottom opening 25 when the air in the other chamber of the piston pump 14 is compressed and is not compressed and is located in the ball cage 26, so that the one chamber is communicated with the outside air and the outside air is introduced into the one chamber. The cage 26 may be understood as a ball that falls into the cage 26, but does not completely obscure the void on the cage 26 that communicates with the cavity, and the ball may move back into the hollow cylinder 24 out of the cage 26.
In one embodiment, as shown in fig. 6, the air outlet control 13 is a cage, the upper and lower ends of the cage correspond to the upper and lower two cavities of the piston pump 14, and the air outlet ball 29 moving up and down in the cage is configured to move from one end of the cage corresponding to one cavity to the other end of the cage corresponding to the other cavity when air in one cavity of the piston pump is compressed, so that the air outlet ball 29 is separated from the air outlet of the one cavity communicating with the air outlet device to open the air outlet of the one cavity communicating with the air outlet device, and contacts the air outlet of the other cavity communicating with the air outlet device to close the air outlet of the other cavity communicating with the air outlet device.
In one embodiment, as shown in fig. 6, the cage is an arc-shaped cage 28, the arc-shaped part is located between the upper part of the cage and the lower part of the cage, the arc-shaped cage 28 is installed in the air outlet device, and the air outlet device seals the air outlets in the front parts of the first chamber 21 and the second chamber 22 of the piston pump 14, so that the air outlets can only communicate with the outside air through the air outlet device. The arcuate cage 28 is understood to have an arcuate path for movement of the balloon and the cage itself has a void communicating with the exterior.
In this embodiment, there is provided a power generation method, the oscillating floater 18 floats up or down in the water to cause the piston pump 14 to push forward or pull backward, so that the gas in a chamber is compressed, the pressure-controlled sphere 27 of the air pressure control 12 of the compressed gas chamber moves forward and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the compressed gas chamber cannot be discharged out through the bottom opening 25 of the front end, the air outlet sphere 29 of the air outlet control 13 moves to the air outlet at the front part of the non-compressed air chamber and closes it, so that the compressed air is ejected from the air outlet at the front part of the compressed air chamber to push the blades of the turbine generator to rotate and generate power, and the pressure-controlled sphere 27 of the air pressure control 12 of the non-compressed air chamber moves backward and is located in the spherical cage 26 of the hollow cylinder 24, so that the outside air is introduced into the non-compressed air chamber.
The compression injection process of the gas compression device referred to by the above device or method mainly comprises four forms:
the piston rod 15 is arranged in the first cavity 21, when the piston rod 15 is pulled backwards, the pressure-controlled sphere 27 of the air pressure control 12 of the first cavity 21 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and external air is introduced into the first cavity 21; the second cavity 22 is communicated with the first cavity 21 at the rear part, when the piston rod 15 is pulled backwards, the air in the second cavity 22 is compressed, the pressure-controlled sphere 27 of the air pressure control 12 of the second cavity 22 moves forwards and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the second cavity 22 cannot be discharged outwards through the bottom opening 25 of the front end, the second cavity 22 corresponds to the lower end of the air outlet control 13, and the air outlet sphere 29 located at the lower end of the air outlet control 13 is pushed upwards by the compressed air, so that the air outlet sphere 29 is separated from the air outlet of the second cavity 22, the air outlet of the second cavity 22 is opened, the air outlet of the first cavity 21 is closed, the air outlet of the first cavity 21, which is communicated with the air outlet, is closed, and only the compressed air can be injected through the air outlet of the second cavity 22, and no air enters the first cavity 21 through the air outlet.
The piston rod 15 is installed in the first cavity 21, when the piston rod 15 is pushed forward, the first cavity 21 is communicated with the second cavity 22 at the rear part, the pressure-controlled sphere 27 of the air pressure control 12 of the second cavity 22 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and outside air is introduced into the second cavity 22; when the piston rod 15 is pushed forward, the air in the first cavity 21 is compressed, the pressure-controlled sphere 27 of the air pressure control 12 of the first cavity 21 moves forward and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the first cavity 21 cannot be discharged outside through the bottom opening 25 of the front end, the first cavity 21 corresponds to the lower end of the air outlet control 13, and the air outlet sphere 29 located at the upper end of the air outlet control 13 is pushed downward by the compressed air, so that the air outlet sphere 29 is separated from the air outlet of the first cavity 21, which is communicated with the air outlet device, to open the air outlet of the first cavity 21, which is communicated with the air outlet device, and the air outlet sphere 29 is contacted with the air outlet of the second cavity 22, which is communicated with the air outlet device, to close the air outlet of the second cavity 22, which is communicated with the air outlet device, so that the compressed air can only be injected through the air outlet of the first cavity 21, and no air enters the air outlet device into the second cavity 22.
The piston rod 15 is arranged in the second cavity 22, when the piston rod 15 is pushed forwards, the pressure-controlled sphere 27 of the air pressure control 12 of the first cavity 21 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and external air is introduced into the first cavity 21; the second cavity 22 is communicated with the first cavity 21 at the rear part, when the piston rod 15 pushes forward, the air in the second cavity 22 is compressed, the pressure-controlled sphere 27 of the air pressure control 12 of the second cavity 22 moves forward and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the second cavity 22 cannot be discharged outside through the bottom opening 25 of the front end, the second cavity 22 corresponds to the lower end of the air outlet control 13, and the air outlet sphere 29 located at the lower end of the air outlet control 13 is pushed upward by the compressed air, so that the air outlet sphere 29 is separated from the air outlet of the second cavity 22, which is communicated with the air outlet device, to open the air outlet of the second cavity 22, which is communicated with the air outlet device, and the air outlet sphere 29 is contacted with the air outlet of the first cavity 21, which is communicated with the air outlet device, to close the air outlet of the first cavity 21, so that only the compressed air can be injected through the air outlet of the second cavity 22, and no air enters the first cavity 21 through the air outlet device.
The piston rod 15 is installed in the second cavity 22, when the piston rod 15 is pulled backwards, the first cavity 21 is communicated with the second cavity 22 at the rear part, the pressure-controlled sphere 27 of the air pressure control 12 of the second cavity 22 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and outside air is introduced into the second cavity 22; when the piston rod 15 is pulled backwards, the air in the first cavity 21 is compressed, the pressure-controlled sphere 27 of the air pressure control 12 of the first cavity 21 moves forwards and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the first cavity 21 cannot be discharged outside through the bottom opening 25 of the front end, the first cavity 21 corresponds to the lower end of the air outlet control 13, and the air outlet sphere 29 located at the upper end of the air outlet control 13 is pushed downwards by the compressed air, so that the air outlet sphere 29 is separated from the air outlet of the first cavity 21, which is communicated with the air outlet device, to open the air outlet of the first cavity 21, which is communicated with the air outlet device, and the air outlet sphere 29 is contacted with the air outlet of the second cavity 22, which is communicated with the air outlet device, to close the air outlet of the second cavity 22, which is communicated with the air outlet device, so that the compressed air can only be injected through the air outlet of the first cavity 21, and no air enters the air outlet device into the second cavity 22.
In another embodiment, the gas compression means comprises more than two piston pumps 14.
Particularly in a preferred scheme of this embodiment, the gas compression device includes a pump group, the pump group includes a first piston pump 14 and a second piston pump 14, the first piston pump 14 is located above the second piston pump 14, the cavity of the first piston pump 14 is divided into a first cavity 21 and a second cavity 22 by a partition 23, the two cavities are communicated at the rear of the cavities, a piston rod 15 is installed in the first cavity 21, the cavity of the second piston pump 14 is divided into a first cavity 21 and a second cavity 22 by the partition 23, the two cavities are communicated at the rear of the cavities, a piston rod 15 is installed in the second cavity 22, the first cavity 21 of each piston pump 14 is located above the second cavity 22, an air pressure control 12 is installed in front of the first cavity 21 and the second cavity 22, an air outlet control 13 is installed in front of the first cavity 21 and the second cavity 22, the air pressure control 12 is configured such that when the air in the cavity in which the air pressure control 12 is located is compressed, the air inlet of the cavity in which the air pressure control 12 is communicated with the outside air, and when the air outlet control 12 in the cavity in which the other cavity is opened, the air outlet control 13 is communicated with the air outlet of the air compression device, and the air outlet of the air outlet control 13 is communicated with the air outlet of the other cavity in which the air compression device, and is communicated with the air outlet of the air compression device.
In one of the preferred aspects of this embodiment, the oscillating floater 18 is connected to the gas compression device through a connecting portion, the connecting portion includes a vertical portion and a horizontal portion connected to the vertical portion, the rear end of the piston rod 15 of the first piston pump 14 is connected to the upper end of the vertical portion of the connecting portion, the rear end of the piston rod 15 of the second piston pump 14 is connected to the lower end of the vertical portion of the connecting portion, and the oscillating floater 18 is hinged to the horizontal portion, so that the upward movement and the downward movement of the oscillating floater 18 are transmitted to the two piston rods 15 of the gas compression device through the connecting portion, the two piston rods 15 have different movement tendencies of forward pushing and backward pulling in one movement trend of the oscillating floater 18, and the first piston pump 14 and the second piston pump 14 are both in a gas compression state and inject compressed gas due to the piston rods 15 of the first piston pump 14 and the second piston pump 14 being located in different stages of cavities, the injection pipe of the gas discharge device of the first piston pump 14 is a straight-diameter injection pipe, and the injection pipe of the gas discharge device of the second piston pump 14 is a curved-diameter injection pipe.
In this embodiment, a plurality of piston pumps 14, i.e. more than two piston pumps 14, may be arranged side by side up and down, the present embodiment is illustrated by arranging two piston pumps 14, the piston rods 15 in the first piston pump 14 and the second piston pump 14 each have a piston rod 15 in only one chamber, in one scheme, the piston rod 15 of each piston pump 14 is arranged in the first chamber 21 or the second chamber 22, i.e. two piston rods 15 are arranged in the same chamber, and in another scheme, two piston rods 15 are arranged in the first chamber 21 and the other in the second chamber 22, i.e. two piston rods 15 are arranged in different chambers. As can be seen from the above description of the present embodiment, no matter the piston rod 15 is installed in any piston cavity, and no matter the piston rod 15 is pushed forward or backward, it is possible for one piston pump 14 to have one compression cavity and one non-compression cavity in two cavities, and the compression cavity will necessarily cause compressed air injection, that is, the compression cavity will cause compressed air injection whether the oscillating float 18 floats upwards or descends, so when more than two piston pumps 14 are arranged side by side, the piston rod 15 of each piston pump 14 is located in the same or different cavities, and it is possible to achieve synchronous compressed air discharge, and the use of multiple piston pumps 14 can perform compressed air injection under the action of one wave, providing injection efficiency and wave energy utilization efficiency.
With regard to the structure of the piston pumps 14 of different stages shown in fig. 4, it can be especially understood that the piston rods 15 of the same stage are arranged, or the piston rod 15 of the first piston pump 14 is the piston rod 15 of the second chamber 22, and the piston rod 15 of the second piston pump 14 is the piston rod 15 of the first chamber 21, the vertical distance difference between the two piston rods 15 is smaller, and the larger distance difference can generate larger distance for forward pushing or backward pulling, and the wave energy utilization effect is improved, therefore, the scheme used in the present embodiment is that the piston rod 15 of the first piston pump 14 is installed in the first chamber 21, and the piston rod 15 of the second piston pump 14 is installed in the second chamber 22, and the distance difference between the two piston rods 15 is increased, so that the wave energy utilization effect is improved.
In one embodiment, the difference from the above embodiment is that as shown in fig. 1, a wind-wave energy combined power generation system based on a semi-submersible floating platform is provided, which includes an offshore wind power plant and an oscillating floater 18 type wave energy power generation device 4, the offshore wind power plant includes an offshore wind power generator 1, a tower 2 and the semi-submersible floating platform, the offshore wind power generator 1 is installed at the top end portion of the tower 2, the semi-submersible floating platform includes buoyancy tanks 2, a stand column 5, a heave plate 6 and an anchor chain 7, the buoyancy tanks 2 are supported by the stand column 5, the bottom end portions of the stand column 5 are installed on the heave plate 6, the stand column 5 is connected with the anchor chain 7, the heave plate 6 and the anchor chain 7 are installed on a seabed, a plurality of buoyancy tanks 2 are connected to form a platform for supporting the tower 2, the oscillating floater 18 type wave energy power generation device 4 is installed in the buoyancy tanks 2, and the floaters 18 thereof float in the water. Preferably, the wave energy power generation device 4 of the oscillating floater 18 type can be the device described in any of the above embodiments.
The column semi-submersible floating platform is simple in structure, convenient to construct, low in installation cost and wide in applicable water depth range. The invention combines offshore wind power and wave power generation devices, improves the overall power generation power of the system and reduces the investment cost by sharing basic equipment such as space, a supporting structure, power transmission equipment and the like. The stability of the system is improved by the circumferential symmetrical distribution of the wave energy devices. The wave energy device adopts the novel piston pumps, uses air as a piston medium to compress, simultaneously adopts the two piston pumps to output unidirectional airflow to drive the turbine generator to generate power, and the two piston pumps can generate power no matter the floater rises or sinks, thereby greatly improving the utilization efficiency of wave energy. The novel wind and wave energy integrated power generation system based on the semi-submersible floating platform improves the effective utilization rate of deep sea areas, reduces the construction cost and the maintenance cost, fully utilizes the existing mature fan technology, integrates the oscillating float type wave energy device with higher energy conversion rate, higher commercial economy and higher practical use value, promotes the commercial application of the wave energy device, and is a reliable deep sea renewable energy power generation platform.
In one embodiment, the invention provides a wind and wave energy combined power generation system based on a semi-submersible floating platform in order to more effectively utilize renewable energy sources stored in the ocean, the combined power generation system integrating wind power generation and wave energy power generation is established by utilizing the semi-submersible floating platform, the utilization efficiency of offshore renewable energy sources is effectively improved, the engineering cost is reduced by sharing space, a supporting structure, power transmission and other infrastructure, the overall economy of an offshore wind farm is improved, and the industrial application of the offshore wind farm is effectively promoted.
As shown in fig. 1, a novel wind-wave energy combined power generation system based on a semi-submersible floating platform comprises an offshore wind power device and an oscillating float type wave energy power generation device 4; the offshore wind power plant comprises an offshore wind power generator 1, a tower barrel 2 and a semi-submersible floating platform with four upright columns; the four-upright semi-submersible floating platform comprises a buoyancy tank 3, uprights 5, a heave plate 6 and an anchor chain 7;
the oscillating float type wave power generation device 4 is arranged in the buoyancy tank 3 and is fixedly arranged on the upright post 5; the oscillating float type wave energy power generation device 4 comprises an external air outlet 8, a turbine generator 9, a piston pump central air transmission port 10, an external air inlet 11, an air pressure control 12, an air outlet control 13, a piston pump 14, a piston rod 15, a fixed pivot 16, a T-shaped rod 17 and an oscillating float 18; the external air outlet 8 is positioned in the center of the upper part of the buoyancy tank 3 and used for discharging air in the turbine generator room and keeping the internal and external pressure balance; the two piston pump central air transmission ports 10 are arranged on the left side of the piston pump 14 and used for outputting air, and meanwhile, the lower air transmission ports are designed to be arc-shaped bent ports, so that the condition that the air flow of the two air transmission ports generates equidirectional force on the air turbine generator is ensured, the turbine generator is enabled to turn consistently, the turbine generator 9 is pushed to rotate to generate electricity, and mechanical energy is converted into electric energy. Meanwhile, two air outlet controls 13 are arranged in the central air delivery port 10 of the piston pump and are used for leading out compressed air in different piston chambers, an arc-shaped chute is arranged in the piston pump, when the compressed air in the piston chambers flows out, small balls are extruded, and the small balls slide to the other end along the arc-shaped chute; an external air inlet 11 is arranged at the top of the buoyancy tank 3, is connected with the turbine generator chamber and the outside and is used for introducing external air into the turbine generator chamber; the air pressure control 12 is also arranged at the left side of the piston pump 14 and is used for introducing outside air into the piston chamber and keeping the pressure in the chamber balanced, and the air inlet valve is designed to only be capable of introducing air and not be capable of discharging air, so that the air inlet valve is a one-way air inlet valve; the piston rod 15 is located in a piston chamber of the piston pump 14, and horizontally reciprocates in the piston chamber to compress gas and lead out gas flow; wherein, an external air outlet 8, a turbine generator 9, a piston pump central air transmission port 10, an external air inlet 11, an air pressure control 12, an air outlet control 13, a piston pump 14 and a piston rod 15 form a turbine generator chamber 19; the piston rod 15 and the fixed pivot 16 are connected with a T-shaped rod 17 in a hinged mode, and the T-shaped rod 17 is connected with an oscillating floater 18 in a hinged mode; when the wind and wave energy combined power generation system is used, the wind and wave energy combined power generation system is placed in a water area, the floater 18 moves up and down under the action of waves to drive the T-shaped rod 17 to rotate around the fixed pivot 16, the connected piston rod 15 reciprocates to compress air of the piston pump 14 in the turbine generator chamber 19, air flow is led out to the central air transmission port 10 of the piston pump to drive the air turbine generator 9 to generate power, and wave energy is successfully converted into mechanical energy and further converted into electric energy.
The central air transmission port 10 of the piston pump adopts a conical air outlet, so that the pressure intensity at the tail end of air flow is increased, the air turbine generator 9 is pushed to rotate more quickly, and the power generation efficiency is improved.
The air pressure control 12 and the air outlet control 13 are internally provided with floating small balls to play a role of a valve, when the piston rod 15 moves horizontally to the right, air is pressed into the piston chamber due to air pressure difference, and meanwhile, the small balls are pressed into the bottom of the channel of the air pressure control 12, the bottom is designed into a mesh ring and has a diameter larger than that of the small balls, so that the air can smoothly flow in and cannot be shielded by the small balls; the small ball in the air inlet valve of the other piston chamber is blown to the top, the air outflow is closed, the air is guided into the air outlet control part 13, meanwhile, the small ball in the air outlet control part 13 is blown to the other end through the arc-shaped sliding groove, and the air flow flows out to the central air transmission port 10 of the piston pump. When the pistons move reversely, the movement process is reversed.
The piston rod 15 and the fixed pivot 16 are connected with the T-shaped rod 17 and the oscillating floater 18 through hinges, and the conventional mechanical connection mode is adopted to convert the heaving motion of the oscillating floater into the horizontal motion of the piston, so that the wave energy is simply and efficiently converted into the mechanical energy.
The invention relates to a wind wave energy combined power generation system based on a semi-submersible floating platform. The turbine generator room adopts two piston pumps, makes full use of the internal space of the buoyancy tank, greatly improves the wave energy capturing efficiency, adopts the oscillating float type wave energy power generation device with higher energy conversion rate, reasonably integrates the two, and has higher commercial economy and practical use value.
The semi-submersible platform adopts the semi-submersible platform with four upright posts and four buoyancy tanks, and the lower parts of the upright posts are connected with the heave plates, so that the buoyancy is increased, and the construction process is simplified. Compared with the traditional three-upright-column semi-submersible fan, the water line surface area of the invention is increased, so that the stability and the inertia moment are also larger, and the integral stability of the floating foundation is improved.
According to the wind and wave energy combined power generation system based on the semi-submersible floating platform, the oscillating float type wave energy power generation devices are respectively integrated on each buoyancy tank of the semi-submersible floating platform, namely each set of integrated system comprises four wave energy power generation devices, so that the utilization efficiency of wave energy can be effectively improved, and the cost is reduced.
The offshore wind driven generator 1 is arranged on a tower barrel 2, and is supported by a semi-submersible platform consisting of a buoyancy tank 3, a stand column 5 and a heave plate 6 and is connected with a seabed through an anchor chain 7. Wind flows through the blades of the offshore wind turbine 1, drives the blades to rotate, converts wind energy into mechanical energy, and finally converts the mechanical energy into electric energy through the gear box. On the other hand, under the action of waves, the oscillating floater 18 does pendulous motion, drives the T-shaped rod 17 to rotate around the fixed pivot 16, drives the piston rod 15 hinged to the T-shaped rod 17 to do horizontal reciprocating motion in the piston pump 14, and drives the air turbine generator 9 to generate electricity. The invention adopts two piston pumps, greatly improves the wave energy capturing efficiency, can continuously generate electric energy by the up-and-down movement of the floater, and has better continuity and practical value.
The method for the combined power generation comprises the following steps: the offshore wind driven generator 1 generates electric energy under the action of wind power, and the electric energy is transmitted to a power grid through a transmission system for land users to use; the heave motion of the oscillating floater 18 is converted into the horizontal reciprocating motion of a piston rod 15 in a piston pump 14 through a T-shaped rod 17, as shown in fig. 3, when the floater sinks, the piston rod 15 in the first piston pump at the upper part moves rightwards, air is fed through an air pressure control 12, compressed air flows into a piston chamber without the piston rod, a pressure control ball of the air pressure control 12 is blown to the top of an air inlet valve, the air inlet valve is closed, the air flows into an air outlet control 13 and finally flows out of a central air delivery port 10 of the piston pump to drive an air turbine generator to generate electricity, and the air is output through an external air outlet 8 to keep the pressure balance of the turbine generator chamber; the piston motion of the piston pump at the lower part is opposite to that of the first piston pump, the piston rod moves leftwards, compressed air flows to the air outlet control part and finally flows to the central air transmission port to drive the air turbine generator to generate electricity, and air flows in through the air inlet valve without a piston. When the float rises, the movement is reversed from when the float sinks. The floater does heaving motion in such a way, and the two piston pumps drive the air turbine generator together to generate electricity, so that the wave energy is converted into mechanical energy and further converted into electric energy.
Therefore, the four-column semi-submersible floating type fan adopted by the invention has the advantages of simple structure, convenience in installation and construction, wide applicable water depth range and lower cost; wind power generation and wave energy power generation are completed on the same supporting structure, so that the supporting platform and the power transmission matching system are shared by the wind power generation and the wave energy power generation, and the adopted oscillating floater wave energy device with high energy conversion efficiency and high practical value greatly reduces the investment and construction cost; the two piston pumps which take air as piston media are innovatively adopted, the wave energy capturing efficiency is greatly improved, the structure is simple and reasonable, the feasibility of the invention is further proved, and the invention has remarkable technical effect.
The above description is only for the purpose of creating a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (10)

1. A gas compression device is characterized by comprising a pump group, wherein the pump group comprises a first piston pump and a second piston pump, the first piston pump is positioned above the second piston pump,
the cavity of the first piston pump is divided into a first cavity (21) and a second cavity (22) by a partition plate (23), the two cavities are communicated at the rear part of the cavity, a piston rod is arranged in the first cavity (21),
the cavity of the second piston pump is divided into a first cavity (21) and a second cavity (22) by a partition plate (23), the two cavities are communicated at the rear part of the cavity, a piston rod is arranged in the second cavity (22),
the first chamber (21) of each piston pump is located above the second chamber (22),
the front parts of the first cavity (21) and the second cavity (22) are provided with air pressure controls (12), the front parts of the first cavity (21) and the second cavity (22) are provided with air outlet controls (13),
the air pressure control (12) is structured that when the air in the cavity where the air pressure control (12) is positioned is compressed, the air inlet of the cavity where the air pressure control (12) is positioned and the outside air are communicated is closed, and the air pressure control (12) of the other cavity opens the air inlet of the cavity where the air pressure control (12) is positioned and the outside air are communicated,
the air outlet control part (13) is used for opening an air outlet of one cavity communicated with the air outlet device and closing an air outlet of the other cavity communicated with the air outlet device when air in the cavity is compressed.
2. The gas compressing apparatus as recited in claim 1,
the air pressure control component (12) is a hollow cylinder (24), the bottom surface of the front end of the cylinder is provided with an opening, the bottom surface of the rear end of the cylinder is provided with an opening, a ball cage (26) is formed by the opening outwards, and a pressure control ball (27) moving forwards and backwards in the hollow of the cylinder is configured to move towards the bottom surface opening (25) of the front end when air in a cavity of the piston pump is compressed, block and close the bottom surface opening (25), and isolate the cavity from outside air; and when the air in the other cavity of the piston pump is compressed, the air in the cavity is not compressed, moves to the bottom opening (25) at the rear end and is positioned in the ball cage (26), so that the cavity is communicated with the external air and the external air is introduced into the cavity.
3. A gas compressing arrangement as claimed in claim 1, characterised in that the outlet control member (13) is a cage, the upper and lower ends of the cage corresponding to the upper and lower chambers of the piston pump, and an outlet ball (29) which moves up and down within the cage, and is configured to move from one end of the cage corresponding to one chamber to the other end of the cage corresponding to the other chamber upon compression of the air in one chamber of the piston pump, such that the outlet ball (29) separates from the outlet opening of the one chamber communicating with the outlet means to open the outlet opening of the one chamber communicating with the outlet means and contacts the outlet opening of the other chamber communicating with the outlet means to close the outlet opening of the other chamber communicating with the outlet means.
4. A gas compressing arrangement as claimed in claim 3, characterized in that the cage is an arc-shaped cage (28), the arc-shaped part being located between the upper part of the cage and the lower part of the cage, the arc-shaped cage (28) being mounted in the air outlet means and the air outlet means enclosing the air outlets in the front part of the first chamber (21) and the second chamber (22) of the piston pump, such that the air outlets are in communication with the outside air only via the air outlet means.
5. A method of compressing a gas, comprising:
the piston rod (15) is arranged in the first cavity (21), when the piston rod (15) is pulled backwards, the pressure control sphere 27 of the air pressure control (12) of the first cavity (21) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the first cavity (21); the second cavity (22) is communicated with the first cavity (21) at the rear part, when the piston rod (15) is pulled backwards, air in the second cavity (22) is compressed, the pressure-controlled sphere 27 of the air pressure control (12) of the second cavity (22) moves forwards and is positioned at the bottom opening (25) of the front end of the hollow cylinder (24), so that the air in the second cavity (22) cannot be discharged outwards through the bottom opening (25) of the front end, the second cavity (22) corresponds to the lower end of the air outlet control (13), and the air outlet sphere (29) positioned at the lower end of the air outlet control (13) is pushed upwards by the compressed air, so that the air outlet sphere (29) is separated from an air outlet of the second cavity (22) communicated with the air outlet device, an air outlet of the second cavity (22) communicated with the air outlet device is opened, the air outlet sphere (29) is contacted with an air outlet of the first cavity (21) communicated with the air outlet device, so that the air can be compressed only through the air jet of the second cavity (22), and air does not enter the first cavity (21);
the piston rod (15) is installed in the first cavity (21), when the piston rod (15) is pushed forwards, the first cavity (21) is communicated with the second cavity (22) at the rear part, the pressure control sphere 27 of the air pressure control (12) of the second cavity (22) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and outside air is introduced into the second cavity (22); when the piston rod (15) is pushed forwards, air in the first cavity (21) is compressed, the pressure-controlled sphere 27 of the air pressure control part (12) of the first cavity (21) moves forwards and is located at the bottom opening (25) of the front end of the hollow cylinder body (24), so that the air in the first cavity (21) cannot be discharged outwards through the bottom opening (25) of the front end, the first cavity (21) corresponds to the lower end of the air outlet control part (13), the air outlet sphere (29) located at the upper end of the air outlet control part (13) is pushed downwards through the compressed air, the air outlet sphere (29) is separated from an air outlet of the first cavity (21) communicated with the air outlet device, so that the air outlet of the first cavity (21) communicated with the air outlet device is opened, the air outlet of the second cavity (22) communicated with the air outlet device is closed, so that the compressed air can only be sprayed through the air outlet of the first cavity (21), and no air enters the second cavity (22) through a device;
the piston rod (15) is arranged in the second cavity (22), when the piston rod (15) is pushed forwards, the pressure control sphere 27 of the air pressure control (12) of the first cavity (21) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the first cavity (21); the second cavity (22) is communicated with the first cavity (21) at the rear part, when the piston rod (15) pushes forwards, air in the second cavity (22) is compressed, the pressure-controlled sphere 27 of the air pressure control (12) of the second cavity (22) moves forwards and is positioned at the bottom opening (25) of the front end of the hollow cylinder (24), so that the air in the second cavity (22) cannot be discharged outwards through the bottom opening (25) of the front end, the second cavity (22) corresponds to the lower end of the air outlet control (13), and the air outlet sphere (29) positioned at the lower end of the air outlet control (13) is pushed upwards by the compressed air, so that the air outlet sphere (29) is separated from an air outlet of the second cavity (22) communicated with the air outlet device, an air outlet of the second cavity (22) communicated with the air outlet device is opened, the air outlet sphere (29) is contacted with an air outlet of the first cavity (21) communicated with the air outlet device, so that the air can only be compressed through the air jet of the second cavity (22), and air does not enter the first cavity (21);
the piston rod (15) is arranged in the second cavity (22), when the piston rod (15) is pulled backwards, the first cavity (21) is communicated with the second cavity (22) at the rear part, the pressure control sphere 27 of the air pressure control (12) of the second cavity (22) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the second cavity (22); when the piston rod (15) is pulled backwards, air in the first cavity (21) is compressed, the pressure-controlled sphere 27 of the air pressure control member (12) of the first cavity (21) moves forwards and is located at the bottom opening (25) of the front end of the hollow cylinder (24), so that the air in the first cavity (21) cannot be discharged outwards through the bottom opening (25) of the front end, the first cavity (21) corresponds to the lower end of the air outlet control member (13), the air outlet sphere (29) located at the upper end of the air outlet control member (13) is pushed downwards through the compressed air, the air outlet sphere (29) is separated from an air outlet of the first cavity (21) and communicated with the air outlet device, so that the air outlet of the first cavity (21) and the air outlet device are opened, the air outlet of the second cavity (22) and the air outlet communicated with the air outlet device are closed, so that the compressed air can be sprayed only through the air outlet of the first cavity (21), and no air enters the second cavity (22) through the air outlet device.
6. A wave energy gas compression device is characterized by comprising
The gas compression device of any one of claims 1-5;
the oscillating floater (18), the oscillating floater (18) is connected with the gas compression device through a connecting part, and the connecting part comprises a vertical part and a horizontal part connected with the vertical part;
wherein: the rear end part of a piston rod of the first piston pump is connected to the upper end of a vertical part of the connecting part, the rear end part of a piston rod of the second piston pump is connected to the lower end of the vertical part of the connecting part, the oscillating floater (18) is hinged to the transverse part, the upward floating and downward floating of the oscillating floater (18) are transmitted to two piston rods of the gas compression device through the connecting part, the two piston rods are located at different heights, in one action trend of the oscillating floater (18), the two piston rods have different action trends of forward pushing and backward pulling, the first piston pump and the second piston pump are both in a gas compression state and inject compressed gas due to the fact that the piston rods of the first piston pump and the second piston pump are located in different levels of cavities, an injection pipe of a gas outlet device of the first piston pump is a straight-diameter injection pipe, and an injection pipe of a gas outlet device of the second piston pump is an upward-bent-diameter injection pipe.
7. A method of generating electricity, characterized by: the oscillating floater (18) floats or descends in the water area to cause the piston pump to push forwards or pull backwards, so that the gas in a cavity is compressed, the pressure control sphere (27) of the air pressure control (12) of the compressed gas cavity moves forwards and is positioned at the bottom opening (25) of the front end of the hollow cylinder (24), the air in the compressed gas cavity cannot be discharged outwards through the bottom opening (25) of the front end, the air outlet sphere (29) of the air outlet control (13) moves towards the air outlet of the front part of the non-compressed air cavity and is sealed, the compressed air is sprayed from the air outlet of the front part of the compressed air cavity to push the blades of the turbine generator to rotate and generate electricity, the pressure control sphere (27) of the air pressure control (12) of the non-compressed air cavity moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and the outside air is introduced into the non-compressed air cavity.
8. Use of a device as claimed in any one of claims 1 to 4 in oscillating float type wave energy or wind and wave energy cogeneration.
9. Use of the device of claim 6 in oscillating float type wave or wind and wave energy cogeneration.
10. Use of the method of claim 5 in oscillating float-type wave or wind and wave energy cogeneration.
CN202210558823.0A 2021-08-20 2021-08-20 Gas compression device, compression method, power generation method and application thereof in wind wave power generation Active CN115163450B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210558823.0A CN115163450B (en) 2021-08-20 2021-08-20 Gas compression device, compression method, power generation method and application thereof in wind wave power generation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210558823.0A CN115163450B (en) 2021-08-20 2021-08-20 Gas compression device, compression method, power generation method and application thereof in wind wave power generation
CN202110961320.3A CN113586342B (en) 2021-08-20 2021-08-20 Oscillating float type wave energy power generation device and method and wind-wave energy combined power generation system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202110961320.3A Division CN113586342B (en) 2021-08-20 2021-08-20 Oscillating float type wave energy power generation device and method and wind-wave energy combined power generation system

Publications (2)

Publication Number Publication Date
CN115163450A true CN115163450A (en) 2022-10-11
CN115163450B CN115163450B (en) 2023-09-05

Family

ID=78238840

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202210558823.0A Active CN115163450B (en) 2021-08-20 2021-08-20 Gas compression device, compression method, power generation method and application thereof in wind wave power generation
CN202110961320.3A Active CN113586342B (en) 2021-08-20 2021-08-20 Oscillating float type wave energy power generation device and method and wind-wave energy combined power generation system

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202110961320.3A Active CN113586342B (en) 2021-08-20 2021-08-20 Oscillating float type wave energy power generation device and method and wind-wave energy combined power generation system

Country Status (1)

Country Link
CN (2) CN115163450B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070130929A1 (en) * 2005-12-13 2007-06-14 Ghazi Khan Wave power generator
CN102269106A (en) * 2010-06-01 2011-12-07 上海海洋大学 Oscillation floater pneumatic type sea wave energy generating device
CN104234923A (en) * 2014-09-10 2014-12-24 长沙理工大学 Wave energy oxygen supply device using multiple floaters
CN206175129U (en) * 2016-10-25 2017-05-17 侯晓龙 Novel wave energy electricity generation device
CN112211771A (en) * 2020-10-29 2021-01-12 上海海洋大学 Oscillating water column type wave energy power generation device combined with Tesla turbine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560884A (en) * 1979-07-16 1985-12-24 Whittecar William C Wave power energizer
US6574957B2 (en) * 2001-05-04 2003-06-10 Donald U. Brumfield Tidal/wave compressed air electricity generation
CA2652273C (en) * 2006-05-16 2014-04-08 Ocean Power Technologies, Inc. Wave energy converter with air compression (wecwac)
CN107387327A (en) * 2017-09-11 2017-11-24 大连理工大学 A kind of new floating wind energy and wave energy combined generating system
CN109441727B (en) * 2018-12-28 2020-06-02 大连理工大学 Offshore wave energy-wind energy integrated system and integrated power generation method
CN111412102B (en) * 2020-03-27 2021-02-19 武汉理工大学 Wind energy-wave energy integrated power generation platform based on semi-submersible floating fan and oscillating floater

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070130929A1 (en) * 2005-12-13 2007-06-14 Ghazi Khan Wave power generator
CN102269106A (en) * 2010-06-01 2011-12-07 上海海洋大学 Oscillation floater pneumatic type sea wave energy generating device
CN104234923A (en) * 2014-09-10 2014-12-24 长沙理工大学 Wave energy oxygen supply device using multiple floaters
CN206175129U (en) * 2016-10-25 2017-05-17 侯晓龙 Novel wave energy electricity generation device
CN112211771A (en) * 2020-10-29 2021-01-12 上海海洋大学 Oscillating water column type wave energy power generation device combined with Tesla turbine

Also Published As

Publication number Publication date
CN113586342A (en) 2021-11-02
CN113586342B (en) 2022-07-05
CN115163450B (en) 2023-09-05

Similar Documents

Publication Publication Date Title
US5374850A (en) Apparatus and method for tidal and wave generation of power
US8024927B1 (en) System for buoyancy power generation
CN102678431B (en) Wave energy conversion system
CN114087117B (en) Gas reciprocating type multidirectional wave pressure floating power generation device and offshore integrated power generation system and method
CN104314741A (en) Double-floating-body type wave energy power generation device utilizing water turbine
JP2015031288A (en) Ocean deep buoyancy power generation system
CN114467818A (en) Net cage culture platform comprehensively utilizing new offshore energy
CN109488513A (en) A kind of oscillaton water column type Wave energy electric generator and electricity-generating method in conjunction with single pile formula offshore wind turbine
CN113931786B (en) Hydraulic wave energy power generation device and offshore wind wave power generation system
WO2022166317A1 (en) Power generation device enabling high efficiency of low-water head micro-water volume water source
CN113586342B (en) Oscillating float type wave energy power generation device and method and wind-wave energy combined power generation system
CN102720629A (en) Wave energy conversion apparatus and system thereof
CN201982237U (en) Wave energy conversion device and wave energy conversion system
CN215762036U (en) Wind wave energy combined power generation system and gas compression device based on semi-submersible floating platform
CN103161657A (en) Hydraulic type water-surface power generating device
CN1800629A (en) Electricity generating device by using ocean wave energy
CN111156126A (en) Tidal current energy power generation device and using method
CN216477673U (en) Wind energy and wave energy combined marine clean energy power generation system
CN114645817B (en) Multi-degree-of-freedom wave energy floater and semi-submersible floating type fan coupling power generation system and method
CN201650575U (en) Surge generation device
CN114790959A (en) Still water power generation technology
CN203978702U (en) The wave power generation of rotor hydraulic pressure and electrolysis hydrogen combination unit
CN107420253A (en) Tidal energy TRT
CN114087110A (en) Efficient wave energy power generation system and power generation method thereof
CN101825054B (en) Surge generating device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant