CN110953118A - Vertical oscillation type wave power generation and offshore booster station integrated device - Google Patents
Vertical oscillation type wave power generation and offshore booster station integrated device Download PDFInfo
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- CN110953118A CN110953118A CN201911249201.4A CN201911249201A CN110953118A CN 110953118 A CN110953118 A CN 110953118A CN 201911249201 A CN201911249201 A CN 201911249201A CN 110953118 A CN110953118 A CN 110953118A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—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
- F03B13/1805—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 hinged to the rem
- F03B13/181—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 hinged to the rem for limited rotation
- F03B13/1815—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 hinged to the rem for limited rotation with an up-and-down movement
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a vertical oscillation type wave energy power generation and offshore booster station integrated device, wherein wave energy conversion units are symmetrically arranged on two sides of a jacket foundation, floating body modules of the device are hinged on cross support rods of the jacket foundation through connecting rods with different lengths, the floating body modules do pendulous motion under the action of waves to convert wave energy into mechanical energy and convert the mechanical energy into high-pressure energy of hydraulic oil through double-acting hydraulic cylinders, and the high-pressure energy is stored in an energy accumulator to drive a hydraulic motor to work so as to drive a generator to generate power. The wave energy power generation device is combined with the offshore booster station, a jacket foundation, a booster device and an electric power transmission device are shared, construction cost is saved, electric energy of the wave energy power generation device can be used as a backup power supply of the booster station when a power grid is powered off, the backup power supply is not required to be specially configured, electric power load of the booster station can be consumed in situ, redundant electric quantity is boosted by the booster transformer and then is transmitted to a land power grid through a submarine cable, and the economy of wave energy power generation is improved.
Description
Technical Field
The invention relates to the technical field of ocean renewable energy development and utilization, in particular to a vertical oscillation type wave energy power generation and offshore booster station integrated device.
Background
With the large-scale development of offshore wind power plants, each wind power plant is at least provided with one booster station, but the booster stations and the wave energy power generation devices are often independently constructed, the development cost of wave energy power generation is high, and a development mode combining the booster stations and the wave energy power generation devices is not formed at present.
The offshore booster station is an electric energy gathering center of an offshore wind power plant, the generated energy of all offshore wind driven generators is gathered, the booster station is used for completing a boosting process, and the electric energy is transmitted to a land power grid through a submarine cable, so that the electric energy loss in the transmission process is reduced.
Wave energy power generation is a device for converting wave energy into electric energy, generally, wave energy is captured through a wave energy collecting system firstly, then the captured wave energy is converted into mechanical energy through a mechanical energy conversion device, and finally the mechanical energy is converted into the electric energy through a power generation system. In recent years, wave energy power generation technology is rapidly developed, various wave energy power generation devices appear, but a single supporting platform, boosting equipment and a power transmission system are generally needed, the manufacturing and construction installation cost is increased, and the practical application value of engineering is reduced.
If the offshore booster station is combined with wave energy power generation, the wave energy power generation device and the booster station share one supporting foundation and one set of boosting and conveying equipment, so that the development cost of the wave energy power generation can be greatly reduced, and the overall income of the wave energy power generation is improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a vertical oscillation type wave energy power generation and offshore booster station integrated device, offshore wave energy and offshore booster station are combined and share a supporting structure, booster equipment and power transmission equipment, so that the wave energy power generation development cost is reduced, and reasonable allocation and utilization of resources are realized.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a vertical oscillation type wave energy power generation and offshore booster station integrated device comprises a jacket foundation, a booster station module, a hydraulic system and a power generation system; the double-layer supporting platform is formed at the top of the jacket foundation, the booster station module is installed on a first layer, the hydraulic system and the power generation system are installed on a second layer, a power generator of the power generation system is connected with a hydraulic motor of the hydraulic system, and the hydraulic motor drives the power generation system to generate power, namely mechanical energy of the hydraulic motor is converted into electric energy; the bottom of the jacket foundation is fixed on the sea bottom through a steel pipe pile, two opposite side surfaces of the jacket foundation are symmetrically provided with two wave energy conversion units, each wave energy conversion unit comprises a plurality of floating body modules, connecting rods and double-acting hydraulic cylinders which are respectively in one-to-one correspondence with the floating body modules, namely, one floating body module is matched with one connecting rod and one double-acting hydraulic cylinder, the lengths of all the connecting rods are different, one end of each connecting rod is hinged to the same transverse supporting rod of the jacket foundation side by side through a hinged bearing, the other end of each connecting rod is connected with the floating body module, the floating body modules do pendulous motion under the action of waves to drive the connecting rods to swing around the hinged bearings, the middle parts of the connecting rods are connected with piston rods of the double-acting hydraulic cylinders, so that the piston rods can do reciprocating motion along with the swinging of the connecting rods to drive, when severe sea conditions occur, the floating body module can be lifted out of the water surface through the rotating connecting rod so as to avoid damage; the cylinder bodies of all double-acting hydraulic cylinders are obliquely hinged on the same transverse supporting rod of the jacket foundation side by side and are positioned above the connecting rod, and the double-acting hydraulic cylinders are connected with an energy accumulator of a hydraulic system through high-pressure oil pipes, so that high-pressure energy of the double-acting hydraulic cylinders is stored in the energy accumulator, namely high-pressure oil is stored in the energy accumulator, and the energy accumulator drives a hydraulic motor to rotate; the hydraulic system, the power generation system and the two wave energy conversion units form a wave energy power generation device, the wave energy power generation device can be used as a backup power supply of the booster station when a power grid is powered off, the power generation device can supply power to related power loads of the booster station when the power grid is not powered off, and redundant electric quantity is boosted by the booster station module and is finally transmitted to a land power grid through a submarine cable.
Further, the hydraulic system comprises a bridge type check valve group, an energy accumulator, a hydraulic motor, an oil tank, an overflow valve and a throttle valve; the double-acting hydraulic cylinder always enables high-pressure oil in a hydraulic oil cavity on the extruded side of the double-acting hydraulic cylinder to flow to the energy accumulator through the combined action of the double-acting hydraulic cylinder and the bridge type check valve group, and low-pressure oil flows from the oil tank into a hydraulic oil cavity on the other side of the double-acting hydraulic cylinder, so that the acting efficiency of the double-acting hydraulic cylinder is improved; the energy accumulator is connected with the hydraulic motor through the throttle valve, so that high-pressure oil passes through the throttle valve to drive the hydraulic motor to rotate; the energy accumulator is connected with the oil tank through the overflow valve, and when the high-pressure energy stored by the energy accumulator reaches the capacity limit value, the redundant high-pressure oil is changed into low-pressure oil through the overflow valve and flows into the oil tank; the hydraulic motor is connected with the oil tank, so that high-pressure oil is changed into low-pressure oil to flow into the oil tank after driving the hydraulic motor, and then flows back to the double-acting hydraulic cylinder through the bridge type check valve group to form a circulation loop.
Furthermore, the booster station module comprises a booster device, a high-voltage distribution device connected with the booster device and a high-voltage transmission cable connected with the high-voltage distribution device, and is used for voltage boosting, high-voltage distribution and power transmission of a wind power plant, and energy loss in the power transmission process can be reduced through high-voltage transmission.
Further, the jacket foundation is a truss structure.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the wave energy power generation device is combined with the offshore booster station, a jacket foundation is shared, a new supporting platform is not required to be built, and a booster device and an electric power transmission device are shared with the offshore wind farm, so that the construction cost and the wave energy power generation cost are greatly reduced, and the economic benefit of the offshore power farm is improved.
2. According to the invention, the wave energy power generation device is arranged on the offshore booster station, and is used as a booster station backup power supply when the power grid is powered off, the booster station does not need to be specially configured with the backup power supply, meanwhile, the electric energy generated by the wave energy power generation device can be supplied to the booster station to be consumed by related electric loads, and the redundant electric quantity is boosted and then is transmitted to the land power grid through the submarine cable, so that the mutual coordination and reasonable utilization of resources are achieved.
3. The invention is designed with a unique wave energy conversion unit, and the floating body modules of the wave energy conversion unit are symmetrically arranged on two opposite side surfaces of the jacket foundation through connecting rods with different lengths, so that wave energy can be fully captured, and the wave energy capturing efficiency is improved.
4. According to the hydraulic system of the wave power generation device, the bridge type check valve group is combined with the double-acting hydraulic cylinder, so that mechanical energy can be converted into high-pressure energy of hydraulic oil when a piston rod in the hydraulic cylinder moves in a two-way reciprocating mode (the high-pressure oil in a hydraulic oil cavity on the extruded side flows to the energy accumulator all the time), and the working efficiency of the double-acting hydraulic cylinder is greatly improved.
5. When severe sea conditions occur, the wave energy power generation device can lift the floating body module out of the water surface through the rotating connecting rod, and the structural damage under the severe sea conditions is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a vertical oscillation type wave energy power generation and offshore booster station integrated device.
Figure 2 is a schematic view of the connection of the float module, the connecting rod and the double acting hydraulic cylinder.
Fig. 3 is a power generation principle diagram of the wave energy power generation device.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Referring to fig. 1 to 3, the vertical oscillation type wave energy power generation and offshore booster station integrated device provided by the present embodiment includes a jacket foundation 1, a booster station module, a hydraulic system 7 and a power generation system 8; the jacket foundation 1 is of a truss structure, a double-layer supporting platform 2 is formed at the top of the jacket foundation, the booster station module is installed on a first layer, the hydraulic system 7 and the power generation system 8 are installed on a second layer, a power generator 17 of the power generation system 8 is connected with a hydraulic motor 16 of the hydraulic system 7, and the hydraulic motor 16 is used for driving to generate power, namely mechanical energy of the hydraulic motor 16 is converted into electric energy; the bottom of the jacket foundation 1 is fixed on the sea bottom through a steel pipe pile 3, two opposite side surfaces of the jacket foundation 1 are symmetrically provided with two wave energy conversion units, each wave energy conversion unit comprises a plurality of floating body modules 9, connecting rods 10 and double-acting hydraulic cylinders 11 which are respectively in one-to-one correspondence with the floating body modules 9, namely, one floating body module 9 is matched with one connecting rod 10 and one double-acting hydraulic cylinder 11, the lengths of all the connecting rods 10 are not consistent (the floating body modules can fully capture wave energy), one end of each connecting rod is hinged on the same transverse supporting rod 13 of the jacket foundation 1 side by side through a hinged bearing 12, the other end of each connecting rod is connected with the floating body module 9, under the action of waves, the floating body modules 9 do pendulous motion to drive the connecting rods 10 to swing around the hinged bearings 12, and the middle parts of the connecting rods, the piston rod can do reciprocating motion along with the swinging of the connecting rod 10, so that the piston in the hydraulic cylinder is driven to do work, the wave energy captured by the floating body module 9 is converted into the high-pressure energy of the hydraulic oil, and the process is as follows: the floating body module 9 can effectively absorb wave energy and convert the wave energy into mechanical energy of the connecting rod 10, and further converts the mechanical energy of the connecting rod 10 into high-pressure energy of hydraulic oil through the double-acting hydraulic cylinder 11; in addition, when severe sea conditions occur, the floating body module 9 can be lifted out of the water surface by rotating the connecting rod 10, so that the structural damage under the severe sea conditions is avoided; the cylinder bodies of all double-acting hydraulic cylinders 11 are obliquely hinged on the same transverse supporting rod of the jacket foundation 1 side by side and are positioned above the connecting rod 10, and the double-acting hydraulic cylinders 11 are connected with an energy accumulator 15 of the hydraulic system 7 through high-pressure oil pipes, so that high-pressure energy is stored in the energy accumulator 15, namely high-pressure oil is stored in the energy accumulator 15, and then the energy accumulator 15 drives a hydraulic motor 16 to rotate; the hydraulic system 7, the power generation system 8 and the two wave energy conversion units form a wave energy power generation device, the wave energy power generation device can be used as a backup power supply of the booster station when the power grid is powered off, the power supply can supply power to related electric loads of the booster station when the power grid is not powered off, and after the surplus electric quantity is boosted by the booster station module, the surplus electric quantity is finally transmitted to a land power grid through a submarine cable, so that the economy of wave energy power generation is improved.
The hydraulic system 7 comprises a bridge type check valve group 14, an accumulator 15, a hydraulic motor 16, an oil tank 18, an overflow valve 19 and a throttle valve 20; through the combined action of the double-acting hydraulic cylinder 11 and the bridge type check valve group 14, high-pressure oil in a hydraulic oil cavity on the extruded side of the double-acting hydraulic cylinder always flows to the energy accumulator 15, and low-pressure oil flows from the oil tank 18 into a hydraulic oil cavity on the other side of the double-acting hydraulic cylinder, so that the working efficiency of the double-acting hydraulic cylinder 11 is greatly improved; the accumulator 15 is connected with the hydraulic motor 16 through a throttle valve 20, so that high-pressure oil passes through the throttle valve 20 to drive the hydraulic motor 16 to rotate; the accumulator 15 is connected with the oil tank 18 through the overflow valve 19, and when the high-pressure energy stored in the accumulator 15 reaches the capacity limit value, the redundant high-pressure oil is changed into low-pressure oil through the overflow valve 19 and flows into the oil tank 18; the hydraulic motor 16 is connected with the oil tank 18, so that high-pressure oil drives the hydraulic motor 16 and then becomes low-pressure oil which flows into the oil tank 18, and then flows back to the double-acting hydraulic cylinder 11 through the bridge type check valve group 14 to form a circulation loop.
The booster station module comprises a booster device 4, a high-voltage distribution device 5 connected with the booster device 4 and a high-voltage transmission cable 6 connected with the high-voltage distribution device 5, and is used for voltage boosting, high-voltage distribution and power transmission of a wind power plant, and energy loss in the power transmission process can be reduced through high-voltage transmission.
In conclusion, the hydraulic system and the power generation system of the wave energy power generation device are arranged on the double-layer supporting platform of the jacket foundation, meanwhile, the main mechanical actuating mechanism (namely the wave energy conversion unit) for wave energy power generation is arranged on the cross brace rod of the jacket foundation in a hanging manner, the wave energy can be fully captured through the specially designed wave energy conversion unit, the wave energy capture efficiency is improved, the electric energy generated by the wave energy power generation device can be used as a backup power supply of a booster station when the power grid is powered off, the backup power supply is not required to be specially configured, the relevant electric power load of the booster station can be supplied on site to be consumed, the surplus electric energy is boosted by the booster station module and then is transmitted to the land through a submarine cable, in addition, the whole wave energy power generation device and the booster station module share one jacket foundation, a new supporting platform is not required to be built, and share one set of boosting equipment and, the wave energy power generation and wind power generation system has the advantages that the construction cost and the wave energy power generation cost are greatly reduced, the economic benefits of wave energy power generation and the whole wind power plant are improved, the reasonable allocation and utilization of resources are realized, and the popularization is worth.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the changes in the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. A vertical oscillation type wave energy power generation and offshore booster station integrated device comprises a jacket foundation (1), a booster station module, a hydraulic system (7) and a power generation system (8); the method is characterized in that: a double-layer supporting platform (2) is formed at the top of the jacket foundation (1), the booster station module is installed on a first layer, the hydraulic system (7) and the power generation system (8) are installed on a second layer, a power generator (17) of the power generation system (8) is connected with a hydraulic motor (16) of the hydraulic system (7), and the hydraulic motor (16) drives the power generator to generate power, namely mechanical energy of the hydraulic motor (16) is converted into electric energy; the bottom of the jacket foundation (1) is fixed on the sea bottom through a steel pipe pile (3), two opposite side surfaces of the jacket foundation (1) are symmetrically provided with two wave energy conversion units, each wave energy conversion unit comprises a plurality of floating body modules (9), connecting rods (10) and double-acting hydraulic cylinders (11), the connecting rods (10) and the double-acting hydraulic cylinders (11) are respectively in one-to-one correspondence with the floating body modules (9), namely one floating body module (9) is matched with one connecting rod (10) and one double-acting hydraulic cylinder (11), the lengths of all the connecting rods (10) are different, one end of each connecting rod is hinged to the same transverse supporting rod (13) of the jacket foundation (1) side by side through a hinged bearing (12), the other end of each connecting rod is connected with the floating body module (9), the floating body modules (9) do pendulous motion under the action of waves to drive the connecting rods (10) to swing around the hinged bearing (12), the middle part of each connecting, the piston rod can do reciprocating motion along with the swinging of the connecting rod (10), so that the piston in the hydraulic cylinder is driven to do work, the wave energy captured by the floating body module (9) is converted into high-pressure energy of hydraulic oil, and the floating body module (9) can be lifted out of the water surface by rotating the connecting rod (10) when severe sea conditions occur so as to avoid damage; the cylinder bodies of all double-acting hydraulic cylinders (11) are obliquely hinged on the same transverse supporting rod of the jacket foundation (1) side by side and are positioned above the connecting rod (10), the double-acting hydraulic cylinders (11) are connected with an energy accumulator (15) of a hydraulic system (7) through high-pressure oil pipes, so that high-pressure energy of the double-acting hydraulic cylinders can be stored in the energy accumulator (15), namely high-pressure oil is stored in the energy accumulator (15), and the energy accumulator (15) drives a hydraulic motor (16) to rotate; the hydraulic system (7), the power generation system (8) and the two wave energy conversion units form a wave energy power generation device, the wave energy power generation device can be used as a backup power supply of the booster station when the power grid is powered off, the power generation device can supply power to related power loads of the booster station when the power grid is not powered off, and the surplus electric quantity is boosted by the booster station module and finally transmitted to a land power grid through a submarine cable.
2. The vertical oscillation wave energy power generation and offshore booster station integrated device according to claim 1, characterized in that: the hydraulic system (7) comprises a bridge type check valve group (14), an energy accumulator (15), a hydraulic motor (16), an oil tank (18), an overflow valve (19) and a throttle valve (20); the double-acting hydraulic cylinder (11) always enables high-pressure oil in a hydraulic oil cavity on the extruded side to flow to the energy accumulator (15) through the combined action of the double-acting hydraulic cylinder and the bridge type check valve group (14), and a hydraulic oil cavity on the other side of the double-acting hydraulic cylinder flows into low-pressure oil from the oil tank (18), so that the work doing efficiency of the double-acting hydraulic cylinder (11) is improved; the energy accumulator (15) is connected with the hydraulic motor (16) through a throttle valve (20), so that high-pressure oil passes through the throttle valve (20) to drive the hydraulic motor (16) to rotate; the energy accumulator (15) is connected with the oil tank (18) through the overflow valve (19), and when the high-pressure energy stored by the energy accumulator (15) reaches the capacity limit value, redundant high-pressure oil can be changed into low-pressure oil through the overflow valve (19) and flows into the oil tank (18); the hydraulic motor (16) is connected with the oil tank (18), so that high-pressure oil drives the hydraulic motor (16) and then becomes low-pressure oil to flow into the oil tank (18), and then the low-pressure oil flows back to the double-acting hydraulic cylinder (11) through the bridge type check valve group (14) to form a circulation loop.
3. The vertical oscillation wave energy power generation and offshore booster station integrated device according to claim 1, characterized in that: the booster station module comprises a booster device (4), a high-voltage distribution device (5) connected with the booster device (4) and a high-voltage transmission cable (6) connected with the high-voltage distribution device (5), and is used for voltage boosting, high-voltage distribution and power transmission of a wind power plant, and energy loss in the power transmission process can be reduced through high-voltage transmission.
4. The vertical oscillation wave energy power generation and offshore booster station integrated device according to claim 1, characterized in that: the jacket foundation (1) is of a truss structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911249201.4A CN110953118A (en) | 2019-12-09 | 2019-12-09 | Vertical oscillation type wave power generation and offshore booster station integrated device |
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| CN201911249201.4A CN110953118A (en) | 2019-12-09 | 2019-12-09 | Vertical oscillation type wave power generation and offshore booster station integrated device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810348A (en) * | 2020-07-28 | 2020-10-23 | 明阳智慧能源集团股份公司 | Wave energy power generation system integrated on floating type wind power foundation and working method thereof |
| CN112576432A (en) * | 2020-12-28 | 2021-03-30 | 浙江海洋大学 | High-efficiency combined double-floater type wave power generation device |
| CN112664383A (en) * | 2020-12-28 | 2021-04-16 | 浙江海洋大学 | Coastal wave power generation device |
-
2019
- 2019-12-09 CN CN201911249201.4A patent/CN110953118A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810348A (en) * | 2020-07-28 | 2020-10-23 | 明阳智慧能源集团股份公司 | Wave energy power generation system integrated on floating type wind power foundation and working method thereof |
| CN112576432A (en) * | 2020-12-28 | 2021-03-30 | 浙江海洋大学 | High-efficiency combined double-floater type wave power generation device |
| CN112664383A (en) * | 2020-12-28 | 2021-04-16 | 浙江海洋大学 | Coastal wave power generation device |
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