CN117167181A - Floating spreading type modularized ocean wave energy collecting and generating unit - Google Patents

Abstract

The invention discloses a floating spreading type modularized ocean wave energy collecting and generating unit, which comprises a central generating room module, wherein the central generating room module comprises a generating room main body provided with a high-pressure oil generating set, and at least two groups of ocean wave energy collecting and spreading modules are connected around the center of the outer side wall of the generating room main body; the sea wave energy collecting and spreading module comprises a spreading steel keel frame module and a spreading steel keel frame counterweight buoy which are connected, the spreading steel keel frame module is hinged with one end of a power rocker arm, and the other end of the power rocker arm is hinged with an oscillating duckweed; the power rocker arm is linked with a hydraulic oil pressurizing structure, and the hydraulic oil pressurizing structure is connected with a high-pressure oil generator set. The floating spreading type modularized ocean wave energy collecting and generating unit provided by the invention can be quickly and modularly built in an ocean environment, is efficient and durable in normal operation, and is easy to maintain and repair.

Description

Floating spreading type modularized ocean wave energy collecting and generating unit

Technical Field

The invention relates to the field of ocean wave energy power generation, in particular to a floating spreading type modularized ocean wave energy collecting and power generating unit.

Background

Ocean possesses huge renewable energy sources, wherein the average energy density of ocean wave energy is about thirty times that of solar energy or wind energy. The ocean wave energy power generation has the outstanding advantage of all-weather non-intermittent ultra-stable power generation, and the power generation quality is the same as that of nuclear power and thermal power and belongs to a high-quality power supply. Compared with green energy sources such as hydropower, wind power and solar power generation, the sea wave energy power generation belongs to the green energy sources, has the best power generation quality and has the least influence on the environment. Therefore, how to industrially and efficiently collect the sea wave energy and convert the sea wave energy into the electric energy is always the direction of the inventor.

In order to utilize the sea wave energy to the maximum extent, a sea wave energy collecting system needs to be built on a large scale in the future, and therefore, a structure of the sea wave energy collecting system needs to be capable of realizing rapid modular construction.

Through years of research and development, the "ocean energy power generation" project covering the technologies of patents 2021108861066, 2021110153959, 2021108875302, 2021108875302, etc. has been studied (can provide research and development reports) by simulation mathematics at the university of Shanghai transportation. On the basis, a floating spreading type modularized ocean wave energy collecting and generating unit is developed.

The "floating-spread modular ocean wave energy harvesting and power generation unit" needs to achieve the following objectives:

1. can be quickly and modularly built in a marine environment.

2. Can efficiently and permanently work normally under variable sea conditions.

3. Helping to build a friendly marine environment.

4. And the maintenance is easy.

The invention can effectively solve the problems faced by the development and utilization of the current ocean wave energy and paves the way for the large-scale industrial utilization of the ocean wave energy.

Disclosure of Invention

The invention aims to provide a floating and spreading type modularized ocean wave energy collecting and generating unit which can solve the technical problems.

In order to achieve the above purpose, the invention provides a floating spreading type modularized ocean wave energy collecting and generating unit, which comprises a central generating room module, wherein the central generating room module comprises a generating room main body provided with a high-pressure oil generating set, and at least two groups of ocean wave energy collecting and spreading modules are connected around the center of the outer side wall of the generating room main body; the sea wave energy collecting and spreading module comprises a spreading steel keel frame module and a spreading steel keel frame counterweight buoy which are connected, the spreading steel keel frame module is hinged with one end of a power rocker arm, and the other end of the power rocker arm is hinged with an oscillating duckweed; the power rocker arm is linked with a hydraulic oil pressurizing structure, and the hydraulic oil pressurizing structure is connected with a high-pressure oil generator set.

As a further improvement of the invention, the hydraulic oil pressurizing structure comprises a force transmission fluted disc and a toothed bar bidirectional plunger pump which are matched; the force transmission fluted disc is arranged on the rocker arm main frame of the power rocker arm; the toothed bar bidirectional plunger pump comprises a bidirectional rack push-pull rod and two symmetrically arranged plunger pump cylinder bodies; the middle part of the bidirectional rack push-pull rod is provided with push-pull rod engagement teeth, and two ends of the bidirectional rack push-pull rod are respectively in sliding fit with two plunger pump cylinder bodies; one end of each plunger pump cylinder body, which is far away from the bidirectional rack push-pull rod, is also provided with a pumping pressure check valve and a backflow check valve; the toothed bar bidirectional plunger pump is installed on the spreading steel keel frame module through a pump pipe sleeved beam frame.

As a further improvement of the invention, the central power generation room module further comprises a pressure stabilizing tank and an oil storage tank which are respectively arranged on the power generation room main body up and down, wherein the pressure stabilizing tank is vertically arranged in the middle of the power generation room main body, and the oil storage tank is positioned at the bottom layer of the power generation room main body; the output end of the pumping pressure one-way valve is communicated with the pressure stabilizing tank through a high-pressure oil network pipe, and the output end of the pressure stabilizing tank, the high-pressure oil generator set, the oil storage tank, the oil return network pipe and the input end of the return one-way valve are sequentially communicated; the high-pressure oil net pipe is provided with a first one-way valve, and a pipeline between the pressure stabilizing tank and the high-pressure oil generator set is also communicated with an automatic control electromagnetic valve.

As a further improvement of the invention, a pressure stabilizing air bag is arranged in the pressure stabilizing tank; the bottom layer of electricity generation room main part is equipped with polylith first baffle, and each first baffle is arranged around the center of electricity generation room main part, forms between the adjacent first baffle oil storage pond and reserve oil storage pond.

As a still further improvement of the present invention, each set of said ocean wave energy harvesting and spreading modules comprises at least two ocean wave energy harvesting and spreading modules; the outer side wall of the power generation room main body is provided with at least two groups of connectors around the center of the power generation room main body, and each group of connectors is detachably connected with the spreading steel keel frame module positioned at the innermost side in each group of the ocean wave energy collecting spreading modules; the horizontal orientations of the balance pontoons of the spreading steel dragon frames of the adjacent ocean wave energy collecting spreading modules are opposite; the spreading steel keel frame modules of the adjacent ocean wave energy collecting spreading modules are detachably connected through the main steel frame connector.

As a further improvement of the invention, the spreading steel gantry module at the outermost side of each group of the ocean wave energy collecting spreading modules is connected with a guy cable platform, adjacent guy cable platforms are connected through stable guy cables, and the guy cable platform is connected with an anchoring guy cable.

As a further improvement of the invention, the oscillating duckweed comprises a first floating body shell provided with a hollow inner cavity and a first embedded skeleton; one end of the power rocker arm is hinged with the first embedded framework; the two sides of the bottom of the first floating body shell are respectively provided with a floating body wave-facing cambered surface, and the floating body wave-facing cambered surfaces on the two sides are respectively positioned on the two sides of the hinging point of the power rocker arm and the first embedded framework; a first floating body inner structure grid plate which divides the inner cavity of the first floating body shell into a plurality of first weight grids and first buoyancy grids is arranged in the first floating body shell; the first balance weight lattice is positioned in the middle of the inner cavity of the first floating body shell, and the first buoyancy lattice is positioned in the outer part of the inner cavity of the first floating body shell.

As a further improvement of the invention, the power rocker arm comprises a rocker arm main frame, wherein the rocker arm swing hinge point installation part and the force transmission node are arranged at one end of the rocker arm main frame, and the other end of the rocker arm main frame is hinged with the middle part of the oscillating duckweed; the rocker arm main frame is connected with a first duckweed limiting part and a second duckweed limiting part through a duckweed limiting part connecting rod, and the first duckweed limiting part and the second duckweed limiting part are respectively positioned at two sides of a hinge point of the rocker arm main frame and the oscillating duckweed.

As a further improvement of the invention, a second counterweight grid and a second buoyancy grid are arranged in the spreading steel gantry counterweight buoy; the spreading steel keel balance weight pontoon comprises a second floating body and a steel keel joint, wherein the second floating body comprises a second floating body shell and a second floating body inner structure grating which are connected, and the second floating body inner structure grating divides the inner cavity of the second floating body shell into a second balance weight grating and a second buoyancy grating; and the steel keel frame connector is detachably connected with the spreading steel keel frame module.

As a further improvement of the invention, the spreading steel keel frame module comprises a modularized main steel frame with a truss structure, and concrete is poured into the pipe fitting of the modularized main steel frame.

Advantageous effects

The floating spreading type modularized ocean wave energy collecting and generating unit has the advantages that:

1. all the high-pressure oil generator sets are arranged in the power generation room main body in a concentrated mode, the power generation room main body is connected with each sea wave energy collecting and spreading module through connectors on the side wall of the power generation room main body, the power generation room main body can be ensured to be positioned at the gravity center of the whole floating and spreading type sea wave energy collecting and power generation assembly, the gravity center stability of the floating and spreading type sea wave energy collecting and power generation assembly is improved, and the high-pressure oil network pipes and the oil return network pipes of each sea wave energy collecting and spreading module are distributed to the power generation room main body, so that the total length of the required hydraulic oil network pipes is shortened, and the energy loss is reduced. In addition, the oil storage tank with larger weight is arranged at the bottom layer of the power generation room main body, so that the recycling of hydraulic oil and the stability of the gravity center of the central power generation room are facilitated. The central power generation room module is beneficial to modularized production and reduces manufacturing, installation and maintenance costs.

2. The oil storage tank is the oil tank when normal use, and the reserve oil storage tank just uses when overhauing, when the oil storage tank overhaued, changes by reserve oil storage tank normal operating, ensures the work persistence of system.

3. The oscillating duckweed is hinged with the power rocker arm, the power rocker arm can bear larger impact force, the structure is simple, the modular production is realized, the manufacturing, mounting and maintenance costs are reduced, and the service life is long. In addition, the oscillating duckweed is hinged with the power rocker arm, so that the oscillating duckweed can be ensured to swing to any angle within a certain range, the oscillating duckweed can be basically horizontally arranged, the contact area between the oscillating duckweed and the water surface is ensured to be the largest, and the efficiency of converting the sea wave energy into the mechanical energy is high.

4. When the first embedded framework can ensure that the first floating body shell is lighter in weight, the whole vibrating duckweed still has larger strength, and the service life of the vibrating duckweed is prolonged. The arrangement of the wave-facing cambered surface of the floating body is beneficial to the upward floating of the oscillating duckweed when encountering transverse waves, and the probability that the oscillating duckweed cannot normally float due to being pressed into the water surface by sea waves is reduced.

5. By putting proper weights (such as water or solid weights) into the first weight lattice of the oscillating duckweed, the integral mass of the oscillating duckweed can be adjusted, so that the most proper water entering depth can be conveniently selected, and the oscillating duckweed can do work bidirectionally when the oscillating duckweed fluctuates along with sea waves, and the energy collection efficiency is further improved.

6. The bidirectional rack push-pull rod can be driven to reciprocate by the reciprocating swing of the force transmission fluted disc, so that the piston of the toothed bar bidirectional plunger pump is driven to work, hydraulic oil is pressurized by the piston, and the hydraulic oil drives the high-pressure oil generator set to generate electricity. The process can drive the power generation module to generate power no matter the vibration duckweed rises or falls, and the power generation efficiency is high.

7. The swing amplitude of the swing arm elevation angle limiting fulcrum and the swing arm depression angle limiting fulcrum on the swing arm main frame can be limited, and the first duckweed limiting part and the second duckweed limiting part can also limit the swing amplitude of the oscillating duckweed.

8. The balance weight and the buoyancy grid are arranged in the balance weight pontoon of the spreading steel keel frame, so that when the whole pontoon is completely submerged, the total buoyancy of the balance weight pontoon of the spreading steel keel frame is more than 1.2 times of the total weight of the steel keel of the balance weight pontoon and the attachments thereof, thereby ensuring the function of the floating foundation platform at sea. The counterweight pontoon of the spreading steel keel frame ensures that the spreading steel keel frame module has huge buoyancy and self-quality, so that the spreading steel keel frame module can work safely and stably all the time in a severe marine environment. This simple structure supports stably, can realize the modularization concatenation fast through main steelframe connector moreover, is favorable to realizing the purpose that the large-span covered the sea area, and the more the module of concatenation is moreover, the support structure receives the wave to strike and the shake range that produces just less, and the support stability is better. The modular production can be realized, the manufacturing, mounting and maintaining costs are reduced, and the energy-collecting sea area covering device has the effects of low cost and large span. The flexible connection of the vibration duckweed, the power rocker arm and the counterweight buoy steel tangential belt can be carried, so that the system can run durably and stably under severe sea conditions.

9. The spreading steel keel frame module comprises a modularized main steel frame with a truss structure, and concrete is poured into the pipe fitting of the modularized main steel frame, so that the rigidity of the pipe fitting can be improved, and the construction cost can be reduced under the condition of the same structural performance.

The invention will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a plan layout of a basic cell;

FIG. 2 is a plan layout of a 4-unit assembly;

FIG. 3 is a top view of an oscillating duckweed;

FIG. 4 is a front view of an oscillating duckweed;

FIG. 5 is a view A-A of FIG. 3;

FIG. 6 is a view B-B of FIG. 4;

FIG. 7 is a front view of a power rocker arm;

FIG. 8 is a top view of a power rocker arm;

FIG. 9 is a side view of a spread steel gantry module;

FIG. 10 is a front view of a spread steel gantry module;

FIG. 11 is a side view of a spread steel gantry counterweight buoy;

FIG. 12 is a top view of a spread steel gantry counterweight buoy;

FIG. 13 is a front view of a spread steel gantry counterweight buoy;

FIG. 14 is a C-C view of FIG. 12;

FIG. 15 is a D-D view of FIG. 13;

FIG. 16 is a front view of a rack bar bi-directional plunger pump;

FIG. 17 is a cross-sectional view of FIG. 16;

FIG. 18 is a top view of a pump tube encasement beam mount;

FIG. 19 is a front view of a pump tube encasement beam mount;

FIG. 20 is a G-G cross-sectional view of FIG. 18;

FIG. 21 is a side view of a pump tube encasement beam mount;

FIG. 22 is a front view of a plunger pump assembly of the ocean wave energy harvesting and spreading module;

FIG. 23 is a four-layer plan view of a central power generation house module;

FIG. 24 is a three-level plan view of a central power generation house module;

FIG. 25 is a two-layer plan view of a central power generation house module;

FIG. 26 is a plan view of a layer of a central power generation house module;

FIG. 27 is a side view of a central power generation house module;

FIG. 28 is a cross-sectional view of a central power generation house module;

FIG. 29 is a top view of the connection of the central power generation house module to the ocean wave energy harvesting and spreading module;

FIG. 30 is a lifted state view of duckweed;

FIG. 31 is a state diagram of duckweed in a neutral position;

FIG. 32 is a descending state diagram of duckweed;

fig. 33 is a schematic diagram of a high pressure oil system.

Detailed Description

Embodiments of the present invention will now be described with reference to the accompanying drawings.

Examples

The specific embodiment of the invention is shown in fig. 1 to 33, and the floating spreading type modularized ocean wave energy collecting and generating unit comprises a central generating room module 7, wherein the central generating room module 7 comprises a generating room main body 71 provided with a high-pressure oil generating set 74, and at least two groups of ocean wave energy collecting and spreading modules 8 are connected around the center of the outer side wall of the generating room main body 71. The ocean wave energy collecting and spreading module 8 comprises a spreading steel keel frame module 4 and a spreading steel keel frame counterweight buoy 5 which are connected, wherein the spreading steel keel frame module 4 is hinged with one end of a power rocker arm 2, and the other end of the power rocker arm 2 is hinged with an oscillating duckweed 1. The power rocker arm 2 is linked with a hydraulic oil pressurizing structure, and the hydraulic oil pressurizing structure is connected with a high-pressure oil generator set 74. The spreading steel gantry module 4 is radially spread around the central power generation room module 7, so that the uniform arrangement of the sea wave energy collectors is realized, the mutual interference is reduced, and the maximum energy collection is facilitated; the triangular tile is paved on the sea surface, so that stability is maintained in a severe marine environment; the generator room is positioned in the middle, so that the transmission stroke of hydraulic oil is reduced to the greatest extent, and consumption reduction is facilitated. A certain clearance is reserved between the spreading steel keel frame module 4 and the central power generation room module 7, so that the central power generation room module 7 can be used for traffic and the distance between the spreading steel keel frame module 4 can be easily pulled. The ocean waves are low energy transmission media and the energy collected by the collectors can come from a far distance, so the units (or unit assemblies) should be laid out a distance apart, otherwise the collection efficiency will be affected. Through simulation studies, when the distance between the cells (cell diameter D) is greater than 8D, the decrease in collection efficiency is negligible.

Each group of spreading steel keel frame modules 4 which are arranged in sequence and connected form a sea wave energy collecting and spreading steel keel, the sea wave energy collecting and spreading steel keel is formed by combining sea wave energy collecting and spreading modules 8 according to the design length, and the length of the sea wave energy collecting and spreading steel keel is generally controlled within 200m in consideration of hydraulic oil transmission loss.

The hydraulic oil pressurizing structure comprises a force transmission fluted disc 24 and a toothed bar bidirectional plunger pump 3 which are matched. The force transmission fluted disc 24 is arranged on the rocker arm main frame 21 of the power rocker arm 2. The toothed bar bidirectional plunger pump 3 comprises a bidirectional rack push-pull rod 32 and two symmetrically arranged plunger pump cylinders 31. The middle part of the bidirectional rack push-pull rod 32 is provided with push-pull rod engaging teeth 321, and two ends of the bidirectional rack push-pull rod 32 are respectively in sliding fit with the two plunger pump cylinder bodies 31. The end of each plunger pump cylinder 31 far away from the bidirectional rack push-pull rod 32 is also provided with a pumping pressure check valve 35 and a backflow check valve 36. In this embodiment, the pump check valve 35 and the return check valve 36 are valve check valves (patent application No. 2020114893746). The toothed bar bidirectional plunger pump 3 is arranged on the spreading steel keel frame module 4 through a pump pipe sleeved beam frame 6.

The two ends of the bidirectional rack push-pull rod 32 are hinged with plungers 322 through hinged connecting rods 323, and the plungers 322 are positioned in the inner cavity of the plunger pump cylinder 31 and are in sliding fit with the inner cavity of the plunger pump cylinder. No relative torsion force is generated between the plunger 322 and the plunger pump cylinder 31, which lays a foundation for durable use of the plunger pump, can realize low-resistance bidirectional compression, and improves energy conversion rate.

The outer wall of the plunger pump cylinder 31 is provided with a plurality of cylinder connecting ribs 33 protruding from the outer wall thereof. The pump tube sleeved beam frame 6 comprises a main beam structure 61, and the main beam structure 61 is formed by welding steel plates. The middle part of girder structure 61 is equipped with a plurality of plunger pump draw-in grooves 63, and plunger pump draw-in groove 63 both sides all are equipped with cylinder body connection floor draw-in groove 62. The plunger pump cylinder 31 is positioned in the plunger pump clamping groove 63, and the cylinder connecting rib 33 is in plug-in fit with the cylinder connecting rib clamping groove 62 to bear huge counter force during compression.

The main beam structure 61 is also connected with a push-pull rod sliding support 34, and the middle part of the bidirectional rack push-pull rod 32 passes through the push-pull rod sliding support 34 and is in sliding fit with the push-pull rod sliding support 34. In this embodiment, the edge of the outer wall of the sliding support 34 of the push-pull rod is also provided with a convex connection rib, and the sliding support 34 of the push-pull rod is in plug-in fit with a clamping groove on the main beam structure 61 through the connection rib and is connected with the clamping groove through a bolt.

The main beam structure 61 is provided with a plurality of pairs of clamping groove convex connecting plates 621, and the interval between each two pairs of clamping groove convex connecting plates 621 forms a cylinder body connecting rib plate clamping groove 62. The clamping groove protrusion connecting plate 621 is connected with the cylinder body connecting rib plate 33 through bolts and nuts.

The bottom of the plunger pump clamping groove 63 of the main beam structure 61 is provided with a pump body bearing plate 631, and the pump body bearing plate 631 is connected with the main beam structure 61. The pump body carrier plate 631 is provided with a fluted disc force transmission position opening 64 corresponding to the push-pull rod engaging teeth 321 of the bidirectional rack push-pull rod 32. The force transmission fluted disc 24 penetrates through the fluted disc force transmission position hole 64 to be meshed with the push-pull rod meshing teeth 321, and the fluted disc is given a slight left-right swinging degree of freedom so as to realize flexible connection between the power rocker arm 2 and the plunger pump.

The main beam structure 61 is provided with a check valve connecting space 65, and the pumping pressure check valve 35 and the return check valve 36 are both positioned in the check valve connecting space 65, and the space is left empty to be beneficial to installation and maintenance work. Both sides of the check valve coupling space 65 are provided with a pressure pipe clip 66 and a return pipe clip 67. The input end of the high-pressure oil net pipe 91 is communicated with the pumping pressure check valve 35, and the output end of the high-pressure oil net pipe 91 is communicated with the oil inlet end of the high-pressure oil generator set 74. The output end of the oil return net pipe 92 is communicated with the return check valve 36. The high-pressure oil net pipe 91 is fixed by adopting the pressure pipe clamp 66, and the oil return net pipe 92 is fixed by adopting the return pipe clamp 67, so that the net pipe is prevented from shaking, and the durable operation of the system is facilitated.

Two main steel frame clips 68 are also provided on the main beam structure 61. The pump pipe sleeving beam frame 6 is detachably connected with a first round pipe 41 transversely arranged at the top of the spreading steel keel frame module 4 through a main steel frame clamp 68, and specifically, the main steel frame clamp 68 wraps the outer side of the first round pipe 41 of the spreading steel keel frame module 4. The girder structure 61 is in soft connection with the spreading steel keel frame module 4 and the pipelines, so that the system is prevented from being hard damaged due to sea wave impact, and meanwhile, the system can run durably and stably under severe sea conditions.

The central power generation room module 7 further comprises a surge tank 72 and an oil storage tank 73 which are respectively arranged on the power generation room main body 71 up and down, the surge tank 72 is vertically arranged in the middle of the power generation room main body 71, and the oil storage tank 73 is positioned at the bottom layer of the power generation room main body 71, and particularly is a layer. The output end of the pumping pressure check valve 35 is communicated with the surge tank 72 through a high-pressure oil network pipe 91, and the output end of the surge tank 72, the high-pressure oil generator set 74, the oil storage tank 73, an oil return network pipe 92 and the input end of the return check valve 36 are sequentially communicated. The high-pressure oil net pipe 91 is provided with a first one-way valve 911, and a self-control electromagnetic valve 741 is also communicated with a pipeline between the surge tank 72 and the high-pressure oil generator set 74. A self-controlled solenoid valve 741 is used to control the flow. The high-voltage oil generator set 74 generates stable alternating current, and the stable alternating current is sent back to the shore through the high-voltage submarine cable after being boosted.

Each set of the ocean wave energy harvesting and spreading modules 8 comprises at least two ocean wave energy harvesting and spreading modules 8. The outer side wall of the power generation house main body 71 is provided with at least two groups of connectors 75 around the center, and each group of connectors 75 is detachably connected with the spreading steel keel frame module 4 positioned at the innermost side in each group of the ocean wave energy collecting spreading modules 8.

In this embodiment, three groups of connectors 75 are provided around the center of the outer side wall of the power generation house body 71, each group including 6 connectors 75. The connector 75 is of a flange structure, and is connected with a flange on the spreading steel keel frame module 4 in the ocean wave energy collecting spreading module through bolts. The connection head 75 is provided on a joint reinforcing support 711 located on the outer side wall of the power generation house main body 71.

A generator room is provided in the generator room main body 71, the generator room is located on a floor 717, a high-pressure oil generator set 74 is provided on the floor 717 and is arranged around the center thereof, and the floor 717 is located above the oil reservoir 73. A working floor is arranged above the high-pressure oil generator set 74 in the power generation room main body 71, and a plurality of equipment rooms 7161, maintenance rooms 7162, living supporting rooms 7163, hallways 7164 and ring galleries 7165 are separated in the working floor by a plurality of second partition plates 716. The equipment rooms 7161, maintenance warehouses 7162, and living-related rooms 7163 are arranged around the circular corridor 7165.

The outer wall of the power generation house main body 71 is provided with a front door platform 714 communicating with the lobby 7164. The lobby 7164 is separated from the front door platform 714 by a door body.

The top of the power generation house body 71 is provided with a sky surface 713, and the edge of the sky surface 713 is provided with a sky surface baffle 712. A sky 713. The sky surface 713, the working floor and the generator room are communicated through stairs 715. A plurality of windows 76 are also provided in the side wall of the power generation house body 71.

The surge tank 72 is provided with a surge balloon 721. The bottom layer of the power generation house body 71 is provided with a plurality of first partition plates 731, each first partition plate 731 is arranged around the center of the power generation house body 71, and an oil storage tank 73 and a standby oil storage tank 730 are formed between adjacent first partition plates 731. The surge tank 72 extends from the ceiling 713 of the power generation house main body 71 all the way down to a floor where the oil reservoir 73 is located. The surge tank 72 is a tank body of about 10 Mpa.

The power generation house main body 71 includes a steel plate concrete composite wall and a steel plate concrete composite floor slab connected. Wherein, first baffle 731, second baffle 716 adopt steel sheet concrete composite wall, and the floor 717 adopts steel sheet concrete composite floor, has better rigidity and corrosion resistance, and the outer wall is the arc, promotes the shock resistance and the corrosion resistance ability of central electricity generation room.

The horizontal orientations of the spreading steel keel balance pontoons 5 of the adjacent ocean wave energy collection spreading modules 8 are opposite. The spreading steel keel frame modules 4 of the adjacent ocean wave energy collecting spreading modules 8 are detachably connected through the main steel frame connectors 40.

The spreading steel gantry module 4 at the outermost side of each group of the ocean wave energy collecting spreading modules 8 is connected with a guy cable platform 103, adjacent guy cable platforms 103 are connected through a stabilizing guy cable 101, and the guy cable platform 103 is connected with an anchoring guy cable 102. The anchor line 102 is a locating floating unit while leaving a certain amount of play to accommodate the sea surface tide. The stable inhaul cable 101 enables the plane of the floating unit to be in a triangular stable configuration, meanwhile, both ends of the ocean wave energy collecting and spreading steel dragon are fixed, and stability and durability of the unit are effectively guaranteed.

The oscillating duckweed 1 comprises a first floating body shell 11 provided with a hollow inner cavity and a first embedded skeleton 2. One end of the power rocker arm 2 is hinged with the first embedded framework 2. The two sides of the bottom of the first floating body shell 11 are respectively provided with a floating body wave-facing cambered surface 112, the floating body wave-facing cambered surfaces 112 on the two sides are respectively positioned on two sides of the hinging point of the power rocker arm 2 and the first embedded skeleton 2, specifically, the first floating body shell 11 is formed into a front arc-shaped tip body and a rear arc-shaped tip body so as to reduce impact damage of waves, and meanwhile, part of horizontal impact energy is converted into vibration of duckweed, and finally, the duckweed is durable and has higher energy collecting efficiency. The arrangement of the wave-facing cambered surface of the floating body is beneficial to the upward floating of the oscillating duckweed when encountering transverse waves, and the probability that the oscillating duckweed cannot normally float due to being pressed into the water surface by sea waves is reduced.

The hinge point of the power rocker arm 2 and the oscillating duckweed 1 is positioned above the oscillating duckweed 1. The top of the first floating body shell 11 of the oscillating duckweed 1 is provided with a floating body upper inclined plane 111, and the hinge point of the power rocker arm 2 and the oscillating duckweed 1 is positioned at the highest point of the floating body upper inclined plane 111. The floating body is flat cone up and down, the upper inclined plane 111 is an inclined plane with a certain drainage gradient (generally 3%), and the lower part is a flat arc conical surface. The design can effectively reduce the resistance of the duckweed to up-and-down vibration, and finally shows that the travel of the loaded duckweed is longer and the energy collection efficiency is higher.

The first floating body shell 11 is internally provided with a first floating body inner structure grid plate 13 which divides the inner cavity of the first floating body shell into a plurality of first weight grids 15 and first buoyancy grids 16. The first weight cell 15 is located in the middle of the inner cavity of the first floating body shell 11, and the first buoyancy cell 16 is located in the outer portion of the inner cavity of the first floating body shell 11. In this embodiment, the first weight cell 15 is filled with water and may be filled with a solid weight. A waterproof foam is provided in the first buoyancy grid 16 to prevent deformation. The first floating body shell 11 and the first floating body inner structure grid 13 are made of corrosion-resistant plastics as main structure materials. The vibration duckweed 1 passes through the counter weight, so that the buoyancy when the whole vibration duckweed 1 is totally submerged is equal to the weight when the whole duckweed is completely separated from the water surface, and the function of bidirectionally equivalent acting is realized.

The first in-line skeleton 2 includes a first lateral skeleton 122 and a first vertical skeleton 121 connected. The first transverse skeleton 122 and the first vertical skeleton 121 of the first embedded skeleton 2 are made of square steel, and concrete is poured into the pipes. The surface of the pipe should be treated with anti-corrosion treatment, and concrete is filled in the pipe to increase the rigidity of the pipe. First lateral skeleton 122 is positioned in the center of the duckweed.

The inner cavity of the first floating body shell 11 is provided with a skeleton-wrapping stiffening rib plate 14, and the skeleton-wrapping stiffening rib plate 14 wraps the outer side of the first transverse skeleton 122 to transfer huge loads of duckweed. One end of the first vertical skeleton 121 extends out of the first floating body shell 11 and is hinged with one end of the power rocker arm 2. In this embodiment, the first vertical skeleton 121 is provided with a connecting shaft hole 1211, one end of the rocker arm main frame 21 is provided with a connecting hole 22, and the first rotating shaft passes through the connecting shaft hole 1211 of the oscillating duckweed 1 and the connecting hole 22 of the rocker arm main frame 21, so that the duckweed can have a certain degree of freedom in rotation relative to the rocker arm, and the impact of large waves can be greatly buffered, and the running stability and durability of the duckweed can be improved. Wherein, be equipped with first polytetrafluoroethylene lantern ring between connecting hole 22 inner wall and the first pivot, reduce frictional resistance and improve movable part durability.

The force transmission fluted disc 24 takes a rocker arm swing hinge point mounting part 23 as a swing center. In this embodiment, the rocker swing hinge point mounting portion 23 is a rocker swing connecting hole, and the second rotating shaft passes through the rocker swing hinge point mounting portion 23 and is connected with the spreading steel gantry module 4, so that the power rocker 2 can swing up and down around the spreading steel gantry module 4. A second polytetrafluoroethylene lantern ring 231 is arranged between the inner wall of the rocker arm swing connecting hole of the rocker arm swing hinge point mounting part 23 and the second rotating shaft, and has a lubricating effect. The bottom of the spreading steel keel frame module 4 is connected with a counterweight pontoon 5, and the counterweight pontoon 5 floats on the sea surface to support the spreading steel keel frame module 4.

The power rocker arm 2 comprises a rocker arm main frame 21, a rocker arm swing hinge point mounting part 23 and a force transmission node are arranged at one end of the rocker arm main frame 21, and the other end of the rocker arm main frame 21 is hinged with the middle part of the oscillating duckweed 1. The rocker arm main frame 21 is connected with a first duckweed limiting part 28 and a second duckweed limiting part 29 through a duckweed limiting part connecting rod 27, and the first duckweed limiting part 28 and the second duckweed limiting part 29 are respectively positioned on two sides of a hinge point of the rocker arm main frame 21 and the oscillating duckweed 1. The rocker arm main frame 21 adopts a steel frame structure, concrete is poured into the steel tube to improve the rigidity of the pipe fitting, and the construction cost is reduced under the condition of the same performance. The rocker arm main frame 21 is a long triangle steel frame force transmission mechanism. The first duckweed limiting part 28 and the second duckweed limiting part 29 are limiting cylinders. The duckweed limiting cylinder limits the rotation of the duckweed to a certain range, and damage caused by excessive rotation of the duckweed is prevented.

The spreading steel keel frame module 4 comprises a modularized main steel frame 43 with a truss structure, and concrete is poured into the pipe fittings of the modularized main steel frame 43. The modular main steel frame 43 will act as a fulcrum and limit for the movement of the power rocker arm 2. The modularized main steel frame 43 is a cuboid steel frame modularized mechanism, and the pipe fitting poured with concrete can improve the rigidity of the pipe fitting and reduce the construction cost under the condition of the same structural performance. The modular primary steel frame 43 includes first and second horizontally disposed tubes.

The spreading steel keel frame module 4 is provided with a rocker arm duckweed hinged installation part. The rocker arm duckweed hinge mounting portion includes a rocker arm coupling 44 disposed on a modular main steel frame 43. A rocker arm connecting shaft 45 for rotationally connecting with the rocker arm duckweed is penetrated in the middle of the rocker arm connecting shaft connector 44. In this embodiment, the coupling joints 44 are connected to the pipe ends of a plurality of modular main steel frames 43. The rocker arm connecting shaft 45 is a section of pipe fitting, and is inserted into a rocker arm root connecting hole and a hole of the rocker arm connecting shaft joint 44 during installation or maintenance, so that the rocker arm duckweed structure is hinged with the spreading steel keel frame module 4. The rocker arm adapter 44 is lined with a polytetrafluoroethylene collar to reduce frictional resistance and improve durability of the movable portion.

The spreader steel gantry module 4 also includes a shaft link 46. The number of the spreading steel keel frame modules 4 is at least two, and the spreading steel keel frame modules are adjacently arranged, and the shaft connecting rods 46 are arranged in the middle of the rocker arm connecting shafts 45 of the adjacent spreading steel keel frame modules 4 in a penetrating way. The shaft connecting rod 46 is connected with the rocker arm connecting shaft 45 through the shaft connecting bolt 47, so that the connection stability between adjacent spreading steel keel frame modules can be further improved. The main steel frame connectors 40 on the adjacent spreading steel keel frame modules 4 are connected with each other in a detachable way. In this embodiment, the main steel frame connectors 40 are flanges, and are respectively disposed at two ends of a horizontal pipe member horizontally disposed on the modularized main steel frame 43.

The rocker arm main frame 21 is also provided with a rocker arm elevation angle limit fulcrum 25 and a rocker arm depression angle limit fulcrum 26, the rocking angle of the rocker arm is controlled within a design range, and folding rolling damage between duckweed and the spreading steel gantry module 4 is prevented under limit conditions. When the oscillating duckweed 1 drives the rocker arm main frame 21 to swing upwards to a preset maximum angle under the action of sea waves, the concave surface on the rocker arm elevation angle limiting fulcrum 25 is propped against the side wall of the first circular tube 41 arranged on the spreading steel dragon frame module 4, so that the rocker arm main frame 21 is prevented from swinging upwards further, as shown in fig. 30; the oscillating duckweed 1 descends along with the sea wave, when the rocker arm main frame 21 swings downwards to a preset maximum angle, the concave surface on the rocker arm depression angle limiting pivot 26 abuts against the side wall of the second round tube 42 on the spreading steel dragon frame module 4, and further downward swinging of the rocker arm main frame 21 is prevented, as shown in fig. 32.

A second counterweight lattice 56 and a second buoyancy lattice 57 are arranged in the spreading steel keel balance pontoon 5. The spreading steel keel balance weight pontoon 5 comprises a second floating body 51 and a steel keel joint 52, the second floating body 51 comprises a second floating body shell 511 and a second floating body inner structure grating 512 which are connected, and the second floating body inner structure grating 512 divides the inner cavity of the second floating body shell 511 into a second balance weight grating 56 and a second buoyancy grating 57. The steel keel frame joint 52 is detachably connected with the spreading steel keel frame module 4. The second weight cell 56 is weighted by water injection, and the second buoyancy cell 57 is provided with waterproof foam to prevent deformation. In addition, the second weight cell 56 may also be weighted by a fixed weight. The purpose of counter weight is to increase the self quality of counter weight flotation pontoon steel dragon, makes it have better stability, prevents under special circumstances that spreading steel dragon frame module 4 receives the counter force effect, the adverse condition that whole too fast undulant appears.

The top of the second floating body 51 is provided with a floating body upper protrusion 53, and the steel gantry joint 52 is arranged above the floating body upper protrusion 53. The end of the outer wall of the second floating body shell 511 is provided with a floating body wave-facing cambered surface so as to reduce the impact of waves.

The second floating body 51 further includes a second in-line skeleton 55 connected to the steel gantry joint 52. The second in-line skeleton 55 includes a second vertical skeleton 551 and a second horizontal skeleton 552 connected. A second skeleton-wrapped stiffening rib 513 wrapped outside the second embedded skeleton 55 is arranged in the second floating body shell 511, and the second skeleton-wrapped stiffening rib 513 is used for transferring load. The second transverse backbone 552 is centered on the second floating body 51. One end of the second vertical skeleton 551 penetrates out of the second floating body 51 and is connected with the steel keel frame joint 52.

The steel dragon frame joints 52 are at least two, each steel dragon frame joint 52 comprises two semicircular buckling plates which are oppositely arranged, the middle parts of the two semicircular buckling plates are wrapped on the outer sides of the pipe fittings at the bottom of the modularized main steel frame 43, and the edges of the two semicircular buckling plates are connected through first screws.

When the floating duckweed vibration device is used, the spreading steel keel frame module 4 floats on the sea surface through the counterweight buoy 5 connected to the bottom, and the vibrating duckweed 1 floats on the sea surface. Under the action of sea waves, when the force transmission fluted disc swings back and forth due to the lifting of the oscillating duckweed 1, the bidirectional rack push-pull rod 32 is driven to do linear reciprocating movement, hydraulic oil in the two plunger pump cylinder bodies 31 is pressurized alternately, the high-pressure hydraulic oil is firstly conveyed to the surge tank 72 of the central power generation room module through the high-pressure oil network pipe 91 for voltage stabilization, and then enters the high-pressure oil generator set 74, so that the power generation function is realized. The hydraulic oil output from the oil outlet end of the high-pressure oil generator set 74 enters the oil storage tank 73 and flows back to the plunger pump cylinder 31 through the oil return network pipe 92 to complete the circulation of the hydraulic oil.

The system was equipped with installed capacity (typically 3 times the standard) on the basis of an average wave height of 1.2 m. Wherein, the hydraulic oil must have the characteristics of flame retardance, extremely low volatilization, no corrosion and lubrication; the constant high-pressure oil input quantity is adapted to the constant high-pressure oil input quantity through the pressure stabilizing tank, the automatic control electromagnetic valve and the power generation number adjustment of the generator set, and high-quality low-voltage alternating current is generated.

Case:

basic unit sea wave energy power station

The width of the ocean wave energy collecting and spreading module is 6m;

one hypotonic energy collection spreading steel dragon consists of 50 spreading steel dragon frame modules 4, spreading steel Long Chang x 50/2=150m;

total spreading module 50×3=150;

balance weight sea wave vibration duckweed: a counterweight 30T, a maximum buoyancy 30T;

the pressure of the high-pressure oil pipe network is 12Mpa;

surge tank volume 36m ³ ；

The diameter of the central power generation room is 20m, and the total area is 950m ² ；

Maximum cell width d=270 m;

calculated according to the average wave height of 1.2m and wave frequency (times/6 s), the relevant main index performance is as follows:

1. according to calculation of the calculation table, the single spreading module collects energy 72Kw.h and outputs power 61.5Kw.h.

2. Unit assembling machine: 150×61.5×3=27675kw.h;

3. total electricity production per unit year: 150×61.5×24×350= 7749 kw.h;

4. total cost of unit (estimation): (150×30+475+500) ×1.2=6570 ten thousand elements;

5. the manufacturing cost of the comprehensive installation machine is as follows: 6570/27675=2374 yuan/kw.h;

6. calculated as 0.3 yuan/Kw.h on average, theoretical cost recovery period: 6570 x 1.05/(7749 x 0.3) =2.97 years;

7. the distance between the two units should be greater than 8D:270×8=2160m;

the floating spreading type modularized ocean wave energy collecting and generating unit has good economic performance and industrialization prospect.

8. The beneficial effects of the project are that:

(1) The on-shore modularized production effectively reduces the cost and realizes the purpose of rapid modularized construction in the marine environment.

(2) The units are laid on the sea surface in a stable triangle, and meanwhile, the bidirectional energy collection of the sea wave energy collecting and spreading module and the high efficiency brought by the low-energy consumption compression pump realize the purpose of high-efficiency and lasting normal operation under changeable sea conditions.

(3) After the sea wave energy is collected and absorbed by the units, the sea conditions around the units are improved, and the sea wall protection and the fish farm cultivation are facilitated. Meanwhile, the units are flat structures which are tiled, and the seA-Air of the seabed cannot be influenced. Thus achieving the aim of helping to build a friendly marine environment.

(4) The modular design of the floating mechanism and the simpler running system achieves the aim of easy maintenance.

The invention has been described in connection with the preferred embodiments, but the invention is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the invention.

Claims (10)

1. The floating spreading type modularized ocean wave energy collecting and generating unit is characterized by comprising a central generating room module (7), wherein the central generating room module (7) comprises a generating room main body (71) provided with a high-pressure oil generating set (74), and at least two groups of ocean wave energy collecting and spreading modules (8) are connected around the center of the outer side wall of the generating room main body (71); the ocean wave energy collecting and spreading module (8) comprises a spreading steel keel frame module (4) and a spreading steel keel frame counterweight buoy (5) which are connected, wherein the spreading steel keel frame module (4) is hinged with one end of a power rocker arm (2), and the other end of the power rocker arm (2) is hinged with an oscillating duckweed (1); the power rocker arm (2) is linked with a hydraulic oil pressurizing structure, and the hydraulic oil pressurizing structure is connected with a high-pressure oil generator set (74).

2. The floating spreading type modularized ocean wave energy collecting and generating unit according to claim 1, wherein the hydraulic oil pressurizing structure comprises a force transmission fluted disc (24) and a toothed bar bidirectional plunger pump (3) which are matched; the force transmission fluted disc (24) is arranged on the rocker main frame (21) of the power rocker (2); the toothed bar bidirectional plunger pump (3) comprises a bidirectional rack push-pull rod (32) and two symmetrically arranged plunger pump cylinders (31); the middle part of the bidirectional rack push-pull rod (32) is provided with push-pull rod occluding teeth (321), and two ends of the bidirectional rack push-pull rod (32) are respectively in sliding fit with two plunger pump cylinder bodies (31); one end of each plunger pump cylinder body (31) far away from the bidirectional rack push-pull rod (32) is also provided with a pumping pressure one-way valve (35) and a backflow one-way valve (36); the toothed bar bidirectional plunger pump (3) is arranged on the spreading steel keel frame module (4) through a pump pipe sleeved beam frame (6).

3. The floating spreading type modularized ocean wave energy collecting and generating unit according to claim 2, wherein the central generating room module (7) further comprises a surge tank (72) and an oil storage tank (73) which are respectively arranged on the generating room main body (71) up and down, the surge tank (72) is vertically arranged in the middle of the generating room main body (71), and the oil storage tank (73) is positioned at the bottom layer of the generating room main body (71); the output end of the pumping pressure check valve (35) is communicated with the pressure stabilizing tank (72) through a high-pressure oil network pipe (91), and the output end of the pressure stabilizing tank (72), the high-pressure oil generator set (74), the oil storage tank (73), an oil return network pipe (92) and the input end of the return check valve (36) are sequentially communicated; the high-pressure oil net pipe (91) is provided with a first one-way valve (911), and a self-control electromagnetic valve (741) is also communicated with a pipeline between the pressure stabilizing tank (72) and the high-pressure oil generator set (74).

4. A floating spreading type modular ocean wave energy collecting and generating unit according to claim 3, wherein a pressure stabilizing air bag (721) is arranged in the pressure stabilizing tank (72); the bottom layer of the power generation room main body (71) is provided with a plurality of first partition boards (731), each first partition board (731) is arranged around the center of the power generation room main body (71), and the oil storage tank (73) and the standby oil storage tank (730) are formed between the adjacent first partition boards (731).

5. The floating spreading modular ocean wave energy harvesting and power generation unit according to claim 1, characterized in that each set of ocean wave energy harvesting and spreading modules (8) comprises at least two ocean wave energy harvesting and spreading modules (8); the outer side wall of the power generation room main body (71) is provided with at least two groups of connectors (75) around the center, and each group of connectors (75) is detachably connected with the spreading steel keel frame module (4) positioned at the innermost side in each group of the ocean wave energy collecting spreading modules (8); the horizontal directions of the spreading steel keel balance pontoons (5) of the adjacent ocean wave energy collecting spreading modules (8) are opposite; the spreading steel keel frame modules (4) of the adjacent ocean wave energy collecting spreading modules (8) are detachably connected through the main steel frame connectors (40).

6. The floating spreading type modularized ocean wave energy collecting and generating unit according to claim 5, wherein each group of ocean wave energy collecting spreading modules (8) is provided with a spreading steel keel frame module (4) located at the outermost side, a guy cable platform (103) is connected with each other, adjacent guy cable platforms (103) are connected through a stable guy cable (101), and an anchoring guy cable (102) is connected to each guy cable platform (103).

7. The floating spreading type modular sea wave energy collection and generation unit according to claim 1, characterized in that the oscillating duckweed (1) comprises a first floating body housing (11) provided with a hollow inner cavity and a first embedded skeleton (2); one end of the power rocker arm (2) is hinged with the first embedded framework (2); the two sides of the bottom of the first floating body shell (11) are respectively provided with a floating body wave-facing cambered surface (112), and the floating body wave-facing cambered surfaces (112) at the two sides are respectively positioned at two sides of a hinge point of the power rocker arm (2) and the first embedded skeleton (2); a first floating body inner structure grid plate (13) which divides the inner cavity of the first floating body shell (11) into a plurality of first weight grids (15) and first buoyancy grids (16) is arranged in the first floating body shell; the first balance weight lattice (15) is positioned in the middle of the inner cavity of the first floating body shell (11), and the first buoyancy lattice (16) is positioned at the outer part of the inner cavity of the first floating body shell (11).

8. The floating spreading type modularized ocean wave energy collecting and generating unit according to claim 7, wherein the power rocker arm (2) comprises a rocker arm main frame (21), the rocker arm swing hinge point mounting part (23) and the force transmission node are arranged at one end of the rocker arm main frame (21), and the other end of the rocker arm main frame (21) is hinged with the middle part of the oscillating duckweed (1); the rocker arm main frame (21) is connected with a first duckweed limiting part (28) and a second duckweed limiting part (29) through a duckweed limiting part connecting rod (27), and the first duckweed limiting part (28) and the second duckweed limiting part (29) are respectively positioned at two sides of a hinge point of the rocker arm main frame (21) and the oscillating duckweed (1).

9. The floating spreading type modularized ocean wave energy collecting and generating unit according to claim 1, wherein a second counterweight grid (56) and a second buoyancy grid (57) are arranged in the spreading steel keel balance pontoon (5); the spreading steel keel balance weight pontoon (5) comprises a second floating body (51) and a steel keel joint (52), the second floating body (51) comprises a second floating body shell (511) and a second floating body inner structure grating (512) which are connected, and the second floating body inner structure grating (512) divides the inner cavity of the second floating body shell (511) into a second balance weight grating (56) and a second buoyancy grating (57); and the steel keel frame joint (52) is detachably connected with the spreading steel keel frame module (4).

10. The floating spreading type modular ocean wave energy collecting and generating unit according to claim 1, wherein the spreading steel keel frame module (4) comprises a modular main steel frame (43) with a truss structure, and the pipe fittings of the modular main steel frame (43) are filled with concrete.