CN118041177A - Marine floating type photovoltaic wave power generation device, construction method and operation method - Google Patents

Abstract

The invention discloses an offshore floating type photovoltaic wave power generation device and a construction method and an operation method thereof. The offshore floating type photovoltaic wave power generation device can generate photovoltaic power and wave energy under the condition of occupying the same ocean area, and ocean resources can be fully utilized.

Description

Marine floating type photovoltaic wave power generation device, construction method and operation method

Technical Field

The invention belongs to the technical field of offshore clean energy, and particularly relates to an offshore floating type photovoltaic wave power generation device, a construction method and an operation method.

Background

The existing floating type offshore photovoltaic platform is a floating body and is anchored to the seabed through an anchor chain, and as the floating body is always in contact with the sea surface, the floating body cannot resist the influence of sea waves and can swing variably in the sea waves, so that the power generation efficiency and the safety of the device are affected. In addition, a platform is built on the ocean to perform single photovoltaic power generation, so that engineering investment is large, occupied area is large, management and operation are inconvenient, and wave resources cannot be utilized in the area occupied by the photovoltaic platform.

Wave energy is taken as renewable energy which is contained in the ocean, and is a new energy which is urgent to be developed and has strategic significance because of the characteristics of renewable property and environmental protection, and at present, wave energy power generation is rarely applied practically, and most of wave energy power generation is in a research stage.

In summary, for the development and utilization of ocean resources, two technical defects exist at present, namely, the existing floating type offshore photovoltaic platform is unstable, and the power generation efficiency and normal maintenance are affected; secondly, the existing floating type offshore photovoltaic platform can only perform photovoltaic power generation under the condition of occupying the same ocean area, and ocean resources are wasted.

Disclosure of Invention

In view of the defects in the prior art, the invention provides an offshore floating type photovoltaic wave power generation device, a construction method and an operation method, which can perform photovoltaic power generation and wave power generation under the condition of occupying the same ocean area, and can fully utilize ocean resources.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an offshore floating photovoltaic wave power generation device, includes a plurality of photovoltaic wave power generation units, photovoltaic, wave power generation unit are including being in the photovoltaic power generation part of sea top, and be in the photovoltaic power generation part just under and semi-submerged wave power generation part in the sea, photovoltaic power generation part and wave power generation part sharing floating support and along with the water level lift, wave power generation part includes a plurality of and floating support articulated and parallel horizontal axle, the cover is equipped with a plurality of relative horizontal axle pivoted power generation rotary drums through wave action on the horizontal axle, just the position department between every two adjacent power generation rotary drums on the horizontal axle all is fixed with the rotary drum baffle, the position department of every power generation rotary drum on the horizontal axle all is fixed with the stator winding around establishing, power generation rotary drum medial surface department is fixed with the rotor winding, rotor winding and stator winding cooperation carry out wave power generation.

Further, the floating support comprises four vertical positioning piles which are inserted and fixed in a seabed, the orthographic projections of the four positioning piles enclose a rectangular shape, each positioning pile is sleeved with a floating sleeve which rises and falls along with the water level, each floating sleeve comprises a first ballast pontoon below the sea surface and a first supporting cylinder which is fixed on the top surface of the first ballast pontoon and the top end of which is above the sea surface, a plurality of floating cylinder columns which are arranged vertically and in an array mode are arranged in an area enclosed by the four positioning piles, each floating cylinder column comprises a second ballast pontoon with the top surface being flush with the top surface of the first ballast pontoon, and a second supporting cylinder which is fixed on the top surface of the second ballast pontoon and the top end of which is flush with the top end of the first supporting cylinder; the horizontal shafts are arranged in the left-right direction and perpendicular to the wave advancing direction, a corresponding horizontal shaft is hinged between each first ballast buoy top end and the left or right adjacent second ballast buoy top end, a corresponding horizontal shaft is hinged between each two left-right adjacent second ballast buoy top ends, a connecting shaft which is horizontally arranged in the front-back direction is hinged between each first ballast buoy top end and the front or back adjacent second ballast buoy top end, and a connecting shaft is hinged between each two front-back adjacent second ballast buoy top ends.

Further, the photovoltaic power generation component comprises a photovoltaic platform, the photovoltaic platform comprises a plurality of first girders which are equal to the number of horizontal shafts and are parallel to the horizontal shafts, and a plurality of second girders which are equal to the number of connecting shafts and are parallel to the connecting shafts, each first girder is positioned right above the corresponding horizontal shaft, each second girder is positioned right above the corresponding connecting shaft, each first girder is hinged between the top end of each first supporting cylinder and the top end of each second supporting cylinder adjacent to the left side or the right side, each first girder is hinged between the top ends of each second supporting cylinder adjacent to the front side or the rear side, and each second girder is hinged between the top ends of each second supporting cylinder adjacent to the front side or the rear side.

Further, a first secondary beam parallel to the first main beam is arranged between every two front and back adjacent first main beams, a second secondary beam parallel to the second main beam is arranged between every two left and right adjacent second main beams, two ends of each first secondary beam are hinged to the second main beams at corresponding positions, two ends of each second secondary beam are hinged to the first main beams at corresponding positions, a plurality of first main beams, a plurality of second main beams, a plurality of first secondary beams and a plurality of second secondary beams form a platform frame, grid plates are fixed on the platform frame, and photovoltaic power generation equipment is arranged above the grid plates.

Further, the left part, the right part, the front part and the rear part of the top surface of the first ballast pontoon are respectively fixed with a first shaft support, the left part, the right part, the front part and the rear part of the top surface of the second ballast pontoon are respectively fixed with a second shaft support, a corresponding horizontal shaft is hinged between the corresponding first shaft support of each first ballast pontoon top surface and the corresponding second shaft support of the top surface of the second ballast pontoon adjacent to the left side or the right side, a corresponding horizontal shaft is hinged between the corresponding second shaft support of each two left and right adjacent second ballast pontoon tops, a corresponding connecting shaft is hinged between the corresponding first shaft support of each first ballast pontoon top surface and the corresponding second shaft support of the top surface of the second ballast pontoon adjacent to the front side or the rear side, and a corresponding connecting shaft is hinged between the corresponding second shaft support of each two front and rear adjacent second ballast pontoon tops.

Further, the first ballast pontoon includes first inner tube and sets up in the first urceolus in the first inner tube outside, connect through horizontal first roof between the top of first inner tube and first urceolus and connect through horizontal first bottom plate between the bottom, sealed first box is constituteed to first inner tube, first urceolus, first roof and first bottom plate, the axis coincidence of first inner tube, first urceolus and first support tube three, just the internal diameter of first support tube equals with the internal diameter of first inner tube, and the external diameter of first support tube equals with the external diameter of first inner tube, first support tube top outward flange a week is fixed with annular first supporting platform, the cooperation of the middle part through-channel of first support tube and first inner tube forms first interpolation passageway, a plurality of annular first recesses are distributed to the bottom on the first interpolation passageway medial surface, every all block and are equipped with a plurality of first balls in the first recess, corresponding location stake passes first interpolation passageway and is connected with a plurality of first balls.

Further, the second ballast pontoon comprises a second inner cylinder with an open top end and a closed bottom end, and a second outer cylinder which is arranged outside the second inner cylinder and is provided with an opening at the top end and the bottom end, wherein the top ends of the second inner cylinder and the second outer cylinder are connected through a horizontal second top plate, the bottom ends of the second inner cylinder and the second outer cylinder are connected through a horizontal second bottom plate, the second inner cylinder, the second outer cylinder, the second top plate and the second bottom plate form a closed second box body, the axes of the second inner cylinder, the second outer cylinder and the second support cylinder are overlapped, the inner diameter of the second support cylinder is equal to the inner diameter of the second inner cylinder, the outer diameter of the second support cylinder is equal to the outer diameter of the second inner cylinder, and the bottom end of the second support cylinder is provided with an opening at the top end and is closed to form a second support platform; the bottom end of the second ballast pontoon is fixed with a circular arc-shaped counterweight body, and the top end diameter of the counterweight body is equal to the outer diameter of the second outer barrel.

Further, the power generation rotary drum is hollow sealed flotation pontoon and includes the interlude in the middle part of the supporting section of left and right sides, the inner tube medial surface department of supporting section from left to right distributes a plurality of ring-shaped second recesses, every all block and be equipped with a plurality of second balls in the second recess, the power generation rotary drum is rotated with corresponding horizontal axis through a plurality of second balls of left side supporting section and right side supporting section department and is connected, all around setting up in the interlude position department of every power generation rotary drum on the horizontal axis and be fixed with stator winding, rotor winding is fixed in the inner tube medial surface department of interlude, the urceolus lateral surface department of power generation rotary drum is fixed with a plurality of blades.

The construction method of the offshore floating type photovoltaic wave power generation device takes one of photovoltaic and wave power generation units as an example, and comprises the following steps:

S1, manufacturing the floating support in a factory, manufacturing a plurality of horizontal shafts and a plurality of power generation drums, sleeving the power generation drums on each horizontal shaft to obtain the wave power generation component, manufacturing a photovoltaic platform of the photovoltaic power generation component, and purchasing photovoltaic power generation equipment of the photovoltaic power generation component;

s2, transporting the floating support, the wave power generation component and the photovoltaic power generation component to a field water area;

s3, arranging the floating support in a field water area, hinging each horizontal shaft at a corresponding position of the floating support, enabling the wave power generation component to be semi-submerged in sea water, and arranging the photovoltaic power generation component on the floating support to enable the photovoltaic power generation component to be above the sea surface.

The operation method of the offshore floating type photovoltaic wave power generation device specifically comprises the following steps: under the wave action, a plurality of electricity generation rotary drums sleeved on the horizontal shaft rotate relative to the horizontal shaft, and then rotor windings on the electricity generation rotary drums rotate relative to stator windings at corresponding positions on the horizontal shaft so as to conduct wave electricity generation, meanwhile, photovoltaic electricity generation is conducted under the action of light energy through photovoltaic electricity generation components which are supported by the floating support and are located above the sea surface, and the photovoltaic electricity generation components and the wave electricity generation components share the floating support and lift along with the water level so as to keep a dynamic balance state.

Compared with the prior art, the invention has the beneficial effects that:

The invention relates to an offshore floating photovoltaic wave power generation device, which comprises a plurality of photovoltaic wave power generation units, wherein each photovoltaic wave power generation unit comprises a photovoltaic power generation part positioned above the sea surface and a wave power generation part positioned right below the photovoltaic power generation part and semi-submerged in sea water, the photovoltaic power generation part and the wave power generation part share a floating support and lift along with the water level, each wave power generation part comprises a plurality of horizontal shafts hinged with the floating support and parallel to the floating support, a plurality of power generation rotating drums rotating relative to the horizontal shafts through wave action are sleeved on the horizontal shafts, a rotating drum baffle is fixed on the horizontal shafts at the position between every two adjacent power generation rotating drums, a stator winding is wound and fixed on the horizontal shafts at the position of each power generation rotating drum, a rotor winding is fixed on the inner side surface of each power generation rotating drum, and the rotor winding and the stator winding are matched for wave power generation; under wave action, a plurality of power generation rotary drums sleeved on the horizontal shaft rotate relative to the horizontal shaft, wave energy is converted into mechanical energy, meanwhile, rotor windings on the power generation rotary drums rotate relative to stator windings at corresponding positions on the horizontal shaft, the mechanical energy is converted into electric energy, wave power generation is completed, photovoltaic power generation is carried out under the action of light energy through photovoltaic power generation components which are supported by floating supports and are located above sea surfaces, and the photovoltaic power generation components and the wave power generation components share the floating supports and lift along with water level so as to maintain a dynamic balance state. Because the wave power generation component in every photovoltaic wave power generation unit is in the photovoltaic power generation component under, and photovoltaic power generation component and wave power generation component sharing floating support and go up and down along with the water level, consequently this marine floating photovoltaic power generation device can carry out photovoltaic power generation through photovoltaic power generation component under the condition of taking the same ocean area, can carry out wave energy power generation through wave power generation component again, thereby can make full use of ocean resources, in addition because photovoltaic power generation component supports and is in the sea top through floating support, photovoltaic platform in the photovoltaic power generation component can not contact with the sea like this, can not receive the influence of wave, can not swing indefinitely in the wave, thereby can not influence photovoltaic power generation's efficiency.

Drawings

FIG. 1 is a schematic top view of each spud, each floating sleeve, and each floating column in one of the photovoltaic wave power units of the present invention;

fig. 2 is a schematic top view of a lower wave power generation component behind a hidden photovoltaic power generation component in one of the photovoltaic wave power generation units;

FIG. 3 is a schematic view showing a partial structure of the photovoltaic power generation component in the direction A-A shown in FIG. 2;

fig. 4 is a schematic top view of the upper layer photovoltaic platform in one of the photovoltaic wave power units;

FIG. 5 is a schematic view of a cross-sectional front view of a spud and corresponding floating sleeve;

FIG. 6 is a schematic view showing a sectional structure in the B-B direction in FIG. 5;

FIG. 7 is a schematic view of the cross-sectional structure in the C-C direction in FIG. 5;

FIG. 8 is a schematic view of a cross-sectional front view of a floating column;

FIG. 9 is a schematic cross-sectional view of a power generation drum;

FIG. 10 is a schematic view showing a sectional structure in the D-D direction in FIG. 9;

FIG. 11 is a schematic view of the E-E direction cross-sectional structure of FIG. 9;

fig. 12 is a schematic drawing of a photovoltaic wave power unit extension.

The reference numerals in the drawings illustrate: 101. horizontal shaft, 102, stator windings, 201, power generation drum, 2011, stiffening plate, 202, second balls, 203, rotor windings, 204, blades, 3, drum baffles, 4, spud, 5, floating sleeve, 501, first ballast pontoon, 5011, first inner drum, 5012, first outer drum, 5013, first top plate, 5014, first bottom plate, 5015, reinforcing partition plate, 502, first support drum, 5021, first support platform, 503, first balls, 6, floating drum column, 601, second ballast pontoon, 6011, second inner drum, 6012, second outer drum, 6013, second roof, 6014, second bottom plate, 6015, horizontal baffle, 6016, injection hole, 602, second support cylinder, 6021, second supporting platform, 603, counterweight body, 7, connecting shaft, 801, first girder, 802, second girder, 803, first secondary girder, 804, second secondary girder, 805, grid plate, 806, support column, 807, photovoltaic panel, 9, lightning rod, 10, first shaft support, 11, second shaft support, F, main wave forward direction, G, sea bed elevation, H, still water level, Q, main wave shape, K, rotation direction of power generation drum.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by one of ordinary skill in the art according to specific circumstances.

Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

The utility model provides an offshore floating photovoltaic wave power generation device, including a plurality of photovoltaic wave power generation units, photovoltaic wave power generation unit includes the photovoltaic power generation part that is located the sea top, and be located the photovoltaic power generation part under the photovoltaic power generation part and the wave power generation part in the semi-submerged sea, photovoltaic power generation part and wave power generation part sharing floating support and along with the water level lift, the wave power generation part includes a plurality of and floating support articulated and parallel horizontal axle 101, the cover is equipped with a plurality of relative horizontal axle 101 pivoted electricity generation rotary drums 201 through wave action on the horizontal axle 101, and the position department between every two adjacent electricity generation rotary drums 201 on the horizontal axle 101 all is fixed with rotary drum baffle 3, the position department that is fixed with stator winding 102 at every electricity generation rotary drum 201 on the horizontal axle 101, the inboard side department of electricity generation rotary drum 201 is fixed with rotor winding 203, rotor winding 203 and stator winding 102 cooperate and carry out wave power generation, see fig. 2,3, 9 and 11. The rotary drum baffle 3 is annular and used for limiting the power generation rotary drum 201, so that the mutual influence between adjacent power generation rotary drums 201 is avoided, and the rotary drum baffle 3 is manufactured in two halves along the radial direction.

Because the wave power generation component in every photovoltaic wave power generation unit is in the photovoltaic power generation component under, and photovoltaic power generation component and wave power generation component sharing floating support and along with the water level lift, consequently this marine floating photovoltaic power generation device can carry out photovoltaic power generation through photovoltaic power generation component under the condition of taking the same ocean area, can carry out wave energy power generation through wave power generation component again, thereby can make full use of ocean resources, in addition because photovoltaic power generation component supports and is in the sea top through floating support, photovoltaic platform in the photovoltaic power generation component can not contact with the sea like this, can not receive the influence of wave, can not swing in the wave, thereby can not influence photovoltaic power generation's efficiency.

The floating support comprises four vertical positioning piles 4 which are inserted and fixed in a seabed, the positioning piles 4 can be steel pipe piles or circular precast piles, the positioning piles 4 are fixed in a pile sinking mode, the orthographic projection of the four positioning piles 4 is enclosed into a rectangular shape, each positioning pile 4 is sleeved with a floating sleeve 5 which rises and falls along with the water level, as shown in fig. 1-4, the floating sleeve 5 comprises a first ballast pontoon 501 below the sea surface, and a first supporting cylinder 502 which is fixed on the top surface of the first ballast pontoon 501 and the top end of which is above the sea surface, as shown in fig. 5, a plurality of floating cylinder columns 6 which are vertical and are arranged in an array mode are arranged in an area enclosed by the four positioning piles 4, as shown in fig. 1,2 and 4, the floating cylinder 6 comprises a second ballast pontoon 601 with the top surface being flush with the top surface of the first ballast pontoon 501, and a second supporting cylinder 602 which is fixed on the top surface of the second ballast pontoon 601 and the top end of which is flush with the top end of the first supporting cylinder 502, as shown in fig. 8; the horizontal shafts 101 are arranged along the left-right direction and perpendicular to the wave advancing direction, a corresponding horizontal shaft 101 is hinged between the top end of each first ballast buoy 501 and the top end of each second ballast buoy 601 adjacent to the left side or the right side, a corresponding horizontal shaft 101 is hinged between the top ends of each two second ballast buoys 601 adjacent to the left and the right, see fig. 2,3 and 5, a connecting shaft 7 is hinged between the top end of each first ballast buoy 501 and the top end of each second ballast buoy 601 adjacent to the front side or the rear side, the connecting shaft 7 is hinged between the top ends of each second ballast buoy 601 adjacent to the front and the rear, and the connecting shaft 7 is parallel to the wave advancing direction, see fig. 2. This connects the floating sleeves 5 and the floating columns 6 to each other via the connecting shafts 7. Wherein the direction indicated by the arrow F in fig. 1 and 2 is the main wave advancing direction, G in fig. 3 and 5 represents the sea level elevation, and H in fig. 5 and 8 represents the still water level.

In one embodiment of the present invention, in one embodiment,

The photovoltaic power generation component comprises a photovoltaic platform, the photovoltaic platform comprises a plurality of first main beams 801 which are equal to the number of the horizontal shafts 101 and are parallel to the horizontal shafts 101, and a plurality of second main beams 802 which are equal to the number of the connecting shafts 7 and are parallel to the connecting shafts 7, each first main beam 801 is positioned right above the corresponding horizontal shaft 101, each second main beam 802 is positioned right above the corresponding connecting shaft 7, a corresponding first main beam 801 is hinged between the top end of each first supporting cylinder 502 and the top end of the left or right adjacent second supporting cylinder 602, a corresponding first main beam 801 is hinged between the top ends of each two left or right adjacent second supporting cylinders 602, a corresponding second main beam 802 is hinged between the top ends of each first supporting cylinder 502 and the top ends of the front or rear adjacent second supporting cylinders 602, and a corresponding second main beam 802 is hinged between the top ends of each two front or rear adjacent second supporting cylinders 602, as shown in fig. 4,5 and 8.

Thus, each first main beam 801 and each second main beam 802 of the photovoltaic platform connect each first supporting cylinder 502 and each second supporting cylinder 602 together, each first supporting cylinder 502 is sleeved on a corresponding positioning pile 4, the positioning pile 4 is used for restraining the whole photovoltaic platform, each second supporting cylinder 602 is restrained by a corresponding first main beam 801 and a corresponding second main beam 802 of the photovoltaic platform, each floating cylinder column 6 is restrained by a corresponding first main beam 801 and a corresponding second main beam 802 of the photovoltaic platform, buoyancy support is provided for the corresponding first main beam 801 and the corresponding second main beam 802 of the photovoltaic platform at a specified position, and the span of each first main beam 801 and each second main beam 802 of the photovoltaic platform is reduced.

Wherein both ends of the first main beam 801 and the second main beam 802 are hinge structures, so that non-uniformity of vertical displacement of the floating sleeve 5 and the floating column 6 can be satisfied.

A first secondary beam 803 parallel to the first main beam 801 is arranged between every two front and back adjacent first main beams 801, a second secondary beam 804 parallel to the second main beam 802 is arranged between every two left and right adjacent second main beams 802, two ends of each first secondary beam 803 are hinged to the second main beams 802 at corresponding positions, two ends of each second secondary beam 804 are hinged to the first main beams 801 at corresponding positions, a platform frame is formed by the plurality of first main beams 801, the plurality of second main beams 802, the plurality of first secondary beams 803 and the plurality of second secondary beams 804, a grid plate 805 is fixed on the platform frame, and photovoltaic power generation equipment is arranged above the grid plate 805, as shown in fig. 4. Thus, by providing each first secondary beam 803 and each second secondary beam 804, the stability of the platform frame can be further increased.

Wherein the photovoltaic power generation apparatus comprises a plurality of photovoltaic panels 807, each photovoltaic panel 807 being supported by a plurality of support columns 806, wherein a lower end of each support column 806 is fixedly connected to the first main beam 801, or the second main beam 802, or the first sub beam 803, or the second sub beam 804 at a corresponding position, see fig. 5 and 8. Wherein the grid plate 805 is made of plastic blocks, the grid plate 805 can increase the structural strength of the photovoltaic platform, and in addition, wind can pass through the grid plate 805, so that the wind resistance of the photovoltaic platform can be reduced.

Wherein the first main beam 801, the second main beam 802, the first secondary beam 803 and the second secondary beam 804 are all steel beams or concrete precast beams.

Preferably, as shown in fig. 3, the top end of each positioning pile 4 is provided with a lightning rod 9, the bottom end is provided with a main reinforcement and is connected into the seabed to serve as a grounding reinforcement, wherein the grounding resistance is less than 1 Ω, the lightning rod 9, the positioning piles 4 and the grounding reinforcement form a lightning protection net, and the lightning rod 9 can effectively protect the photovoltaic platform from lightning strike in a certain range.

In one embodiment, first axle supports 10 are fixed at the left, right, front and rear portions of the top surface of the first ballast buoy 501, see fig. 5 and 7, second axle supports 11 are fixed at the left, right, front and rear portions of the top surface of the second ballast buoy 601, see fig. 8, one respective horizontal axle 101 is hinged between the respective first axle support 10 of the top surface of each first ballast buoy 501 and the respective second axle support 11 of the top surface of the left or right adjacent second ballast buoy 601, and one respective horizontal axle 101 is hinged between the respective second axle support 11 of the top surface of each two left or right adjacent second ballast buoys 601, see fig. 2 and 3, one respective axle 7 is hinged between the respective first axle support 10 of the top surface of each first ballast buoy 501 and the respective second axle support 11 of the top surface of the front or rear adjacent second ballast buoy 601, and one respective axle 7 is hinged between the respective second axle supports 11 of the top surface of each two front or rear adjacent second ballast buoys 601, see fig. 2.

In one embodiment of the present invention, in one embodiment,

As shown in fig. 5-7, the first ballast buoy 501 comprises a first inner cylinder 5011 and a first outer cylinder 5012 arranged outside the first inner cylinder 5011, wherein the top ends of the first inner cylinder 5011 and the first outer cylinder 5012 are connected through a horizontal first top plate 5013, the bottom ends of the first inner cylinder 5011 and the first outer cylinder 5012 are connected through a horizontal first bottom plate 5014, the first inner cylinder 5011, the first outer cylinder 5012, the first top plate 5013 and the first bottom plate 5014 form a sealed first box body, the axes of the first inner cylinder 5011, the first outer cylinder 5012 and the first support cylinder 502 are overlapped, the inner diameter of the first support cylinder 502 is equal to the inner diameter of the first inner cylinder 5011, the outer diameter of the first support cylinder 502 is equal to the outer diameter of the first inner cylinder 5011, an annular first support platform 5021 is fixed on the periphery of the outer edge of the top end of the first support cylinder 502, a plurality of annular first grooves are distributed on the inner side surfaces of the first insertion channels, a plurality of first positioning balls 503 are arranged in each first groove in a clamping way, and a plurality of first positioning balls 503 pass through the first positioning balls 503 from top to bottom, and a plurality of positioning piles are connected with the first positioning balls 503. The first ballast pontoon 501 and the first supporting barrel 502 are integrally connected, wherein a plurality of reinforcing partition plates 5015 can be arranged in the first ballast pontoon 501 to increase the structural strength of the first ballast pontoon 501, wherein the top surface of the first ballast pontoon 501 is loaded by ballast water, and the first ballast pontoon 501 is better stressed.

Thus, when the floating sleeve 5 rises and falls along with the water level, the first balls 503 can convert sliding friction between the floating sleeve 5 and the positioning pile 4 into rolling friction, so as to reduce resistance when the floating sleeve 5 rises and falls. Wherein the first ballast pontoons 501 provide buoyancy support for the respective horizontal shafts 101 and the tie-in shafts 7, and the first support platforms 5021 at the top ends of the first support cylinders 502 provide support for the respective first and second main beams 801, 802.

As shown in fig. 8, the second ballast buoy 601 includes a second inner cylinder 6011 having an open top end and a closed bottom end, and a second outer cylinder 6012 disposed outside the second inner cylinder 6011 and having both open top and bottom ends, the top ends of the second inner cylinder 6011 and the second outer cylinder 6012 being connected by a horizontal second top plate 6013 and the bottom ends being connected by a horizontal second bottom plate 6014, the second inner cylinder 6011, the second outer cylinder 6012, the second top plate 6013, and the second bottom plate 6014 constituting a closed second tank, the axes of the second inner cylinder 6011, the second outer cylinder 6012, and the second support cylinder 602 being coincident with each other, and the inner diameter of the second support cylinder 602 being equal to the inner diameter of the second inner cylinder 6011, and the outer diameter of the second support cylinder 602 being equal to the outer diameter of the second inner cylinder 6011, the bottom end of the second support cylinder 602 being open and the top end being closed and forming a second support platform 6021; the bottom end of the second ballast pontoon 601 is fixed with the circular arc-shaped counterweight body 603, the top end diameter of the counterweight body 603 is equal to the outer diameter of the second outer barrel 6012, the counterweight body 603 is arranged to enable the gravity center of the floating barrel column 6 to be below a floating center, stability of the floating barrel column 6 in water transportation can be guaranteed, the floating barrel column plays a role in the running process of the offshore floating photovoltaic and wave power generation device, and the gravity centers of the photovoltaic power generation component and the wave power generation component can be reduced.

The second ballast pontoon 601 and the second supporting cylinder 602 are integrally connected, wherein the top surface of the second ballast pontoon 601 is loaded by ballast water, so that the second ballast pontoon 601 is better stressed, as shown in fig. 8, a plurality of vertical partition boards and a plurality of horizontal partition boards 6015 are arranged in the second ballast pontoon 601, an inner cavity of the second ballast pontoon 601 is divided into a plurality of cavities by cooperation of the vertical partition boards and the horizontal partition boards 6015, a door opening is arranged on the vertical partition boards, the horizontal partition boards 6015 are provided with inlet holes, so that the cavities are communicated with each other, an inlet hole is formed in the second supporting platform 6021, a middle through passage of the second supporting cylinder 602 serves as an inlet passage, an inlet hole is formed in the side wall of the second inner cylinder 6011, so that workers can enter the inlet passage through the inlet hole in the second supporting platform 6021, enter the cavity of the second ballast pontoon 601 through the inlet hole in the side wall of the second inner cylinder 6011, and the concrete pouring is completed through 6016 arranged on the second bottom plate 6016, and a weight body 603 is formed, and after pouring is completed. Wherein the second ballast buoy 601 provides buoyancy support for the respective horizontal shaft 101 and the tie-in shaft 7, and the second support platform 6021 at the top end of the second support cylinder 602 provides support for the respective first and second main beams 801, 802.

In addition, since the outer diameter of the second support cylinder 602 is equal to the outer diameter of the second inner cylinder 6011, and the second outer cylinder 6012 is located outside the second inner cylinder 6011, the outer diameter of the second support cylinder 602 is smaller than the outer diameter of the second outer cylinder 6012, and thus the outer diameter of the second support cylinder 602 is smaller than the outer diameter of the second ballast buoy 601, the floating cylinder 6 provides buoyancy support through the second ballast buoy 601 with a larger outer diameter, and the top end of the second support cylinder 602 with a smaller outer diameter is located above the sea surface, and is subjected to relatively small wave impact force.

In one embodiment, as shown in fig. 9-11, the power generation drum 201 is a hollow sealing pontoon and comprises a supporting section on the left side and the right side and a middle section in the middle, the power generation drum 201 is semi-submerged in seawater and can provide buoyancy, a plurality of annular second grooves are distributed from left to right on the inner side surface of the inner barrel of the supporting section, a plurality of second balls 202 are clamped in each second groove, the power generation drum 201 is rotationally connected with the corresponding horizontal shaft 101 through the plurality of second balls 202 on the left supporting section and the right supporting section, stator windings 102 are wound and fixed on the horizontal shaft 101 at the middle section position of each power generation drum 201, rotor windings 203 are fixed on the inner side surface of the inner barrel of the middle section, a plurality of arc-shaped blades 204 are fixed on the outer side surface of the outer barrel of the power generation drum 201, and the blades 204 can bear waves to drive the power generation drum to rotate. Wherein a plurality of stiffening plates 2011 are disposed within the power generation drum 201 to increase the structural strength of the power generation drum 201. Where Q is a main wave shape, H is a stationary water level, and the direction indicated by the arrow at K is the rotation direction of the electricity generating drum 201 in fig. 10 and 11.

The horizontal shafts 101 are made of stainless steel tubes so as to facilitate cable arrangement, a plurality of power generation drums 201 are arranged on one horizontal shaft 101, so that the power generation drums 201 can be prevented from being influenced by unbalanced stress, preferably, four power generation drums 201 are arranged on one horizontal shaft 101, a plurality of rows of blades 204 are distributed on the power generation drums 201 along the axial direction, a plurality of blades 204 are arranged on each row, and the blades 204 between two adjacent rows are staggered.

The construction method of the offshore floating type photovoltaic wave power generation device takes one photovoltaic wave power generation unit as an example, and comprises the following steps:

S1, manufacturing floating sleeves 5, floating barrel columns 6 and positioning piles 4 in a factory, manufacturing horizontal shafts 101, connecting shafts 7 and power generation drums 201, sleeving a plurality of power generation drums 201 on each horizontal shaft 101 to obtain wave power generation components, manufacturing first main beams 801, second main beams 802, first secondary beams 803, second secondary beams 804 and grid plates 805, and purchasing photovoltaic power generation equipment;

S2, transporting each floating sleeve 5 to a field water area by adopting a water transportation towing method, and transporting each floating sleeve 5, each positioning pile 4, a wave power generation component, each first main beam 801, each second main beam 802, each first secondary beam 803, each second secondary beam 804, a grid plate 805 and photovoltaic power generation equipment to the field water area by adopting a shipping method;

S3, firstly positioning each floating sleeve 5 according to the position of a corresponding positioning pile 4 and floating on the sea surface, then penetrating each positioning pile 4 through a first inserting channel of the corresponding floating sleeve 5 and fixing the positioning pile in the sea bed, then positioning floating columns 6 adjacent to the left and right of one positioning pile 4, installing horizontal shafts 101 between the corresponding positioning pile 4 and the floating columns 6, in this way, positioning floating columns 6 adjacent to the left and right of the remaining three positioning piles 4, respectively installing horizontal shafts 101 between the corresponding positioning pile 4 and the floating columns 6, then positioning floating columns 6 adjacent to the front and rear of one positioning pile 4, installing connecting shafts 7 between the corresponding positioning pile 4 and the floating columns 6, in this way, positioning floating columns 6 adjacent to the front and rear of the remaining three positioning piles 4, respectively installing connecting shafts 7 between the corresponding positioning pile 4 and the floating columns 6, then positioning floating columns 6, and installing the remaining horizontal shafts 101 and connecting shafts 7;

S4, erecting a corresponding first main beam 801 between the top end of each first supporting cylinder 502 and the top end of each second supporting cylinder 602 adjacent to the left side or the right side, erecting a corresponding first main beam 801 between the top ends of each second supporting cylinder 602 adjacent to the left side and the right side, erecting a corresponding second main beam 802 between the top end of each first supporting cylinder 502 and the top end of each second supporting cylinder 602 adjacent to the front side or the rear side, erecting a corresponding second main beam 802 between the top ends of each second supporting cylinder 602 adjacent to the front side and the rear side, then installing each first main beam 803 and each second main beam 804 to obtain a platform frame, installing grid plates 805 on the platform frame, and arranging photovoltaic power generation equipment above the grid plates 805, wherein each power generation drum 201 is semi-submerged in sea water, and the photovoltaic power generation components are above the sea surface.

The operation method of the offshore floating type photovoltaic wave power generation device specifically comprises the following steps: blades 204 on a plurality of power generation drums 201 sleeved on the horizontal shaft 101 drive the power generation drums 201 to rotate relative to the horizontal shaft 101 under the action of waves, so that rotor windings 203 on the power generation drums 201 rotate relative to stator windings 102 at corresponding positions on the horizontal shaft 101, kinetic energy of waves is converted into mechanical energy for rotation of the power generation drums 201, the mechanical energy is converted into electric energy by utilizing a cutting magnetic field principle, wave power generation is completed, photovoltaic power generation is carried out under the action of the light energy through photovoltaic power generation components supported by the floating support and located above the sea surface, and the photovoltaic power generation components and the wave power generation components share the floating support and lift along with the water level so as to maintain a dynamic balance state.

According to the invention, the positioning piles 4 can limit the horizontal displacement of the whole photovoltaic power generation component and the wave power generation component, so that the whole photovoltaic power generation component and the wave power generation component do not drift randomly, and further the photovoltaic power generation component has the capability of resisting wind and wave swing, wherein the floating cylinder 6 can reduce the span of the first girder 801 and the second girder 802 in the photovoltaic power generation component, prevent the bending deformation of the first girder 801 and the second girder 802, reduce the span of the horizontal shaft 101 in the wave power generation component, prevent the bending deformation of the horizontal shaft 101, further prevent the influence on the rotation of the power generation rotary drum 201, reduce the span of the connecting shaft 7, and prevent the bending deformation of the connecting shaft 7.

In the present invention, one or two rows of horizontal shafts 101 are suitably arranged in one wavelength in the main wave advancing direction, and after the waves pass through the power generation drum 201 on the horizontal shafts 101, the waves are broken up and utilized, and new waves are formed to advance continuously.

In the invention, after photovoltaic power generation equipment is installed on a photovoltaic platform, in order to reduce balance calculation, balance adjustment by using a counterweight in still water can be adopted, namely, a precast block is arranged on a first bottom plate 5014 of a first ballast buoy 501 and a precast block is arranged on a second bottom plate 6014 of a second ballast buoy 601 for adjustment, wherein the precast block is a concrete precast block.

In the invention, adjacent photovoltaic wave power generation units share part of the positioning pile 4, see fig. 12, wherein in fig. 12, the M position represents the built photovoltaic wave power generation unit, and the P position is the newly built photovoltaic wave power generation unit.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (10)

1. An offshore floating photovoltaic wave power generation device, characterized in that: including a plurality of photovoltaic wave power generation units, photovoltaic wave power generation unit is including being in the photovoltaic power generation part of sea top, and be in the wave power generation part of photovoltaic power generation part under and semi-submerged sea water, photovoltaic power generation part and wave power generation part sharing floating support and along with the water level lift, wave power generation part includes a plurality of and floating support articulated and parallel horizontal axle (101), the cover is equipped with a plurality of relative horizontal axle (101) pivoted electricity generation rotary drums (201) through wave action on horizontal axle (101), just all be fixed with rotary drum baffle (3) in the position department between every two adjacent electricity generation rotary drums (201) on horizontal axle (101), all around setting up in the position department of every electricity generation rotary drum (201) on horizontal axle (101) and be fixed with stator winding (102), electricity generation rotary drum (201) medial surface department is fixed with rotor winding (203), rotor winding (203) and stator winding (102) cooperate the wave and carry out electricity generation.

2. An offshore floating photovoltaic wave power unit according to claim 1, characterized in that: the floating support comprises four vertical positioning piles (4) which are inserted and fixed in a seabed, the orthographic projections of the four positioning piles (4) are enclosed to form a rectangular shape, each positioning pile (4) is sleeved with a floating sleeve (5) which rises and falls along with the water level, each floating sleeve (5) comprises a first ballast pontoon (501) which is positioned below the sea surface, and a first supporting cylinder (502) which is fixed on the top surface of the first ballast pontoon (501) and the top end of which is positioned above the sea surface, a plurality of floating cylinder columns (6) which are arranged vertically and in an array mode are arranged in an area enclosed by the four positioning piles (4), each floating cylinder (6) comprises a second ballast pontoon (601) with the top surface being level with the top surface of the first ballast pontoon (501), and a second supporting cylinder (602) which is fixed on the top surface of the second ballast pontoon (601) and the top end of which is level with the top end of the first supporting cylinder (502); the horizontal shafts (101) are arranged along the left-right direction and perpendicular to the wave advancing direction, a corresponding horizontal shaft (101) is hinged between the top end of each first ballast pontoon (501) and the top end of each second ballast pontoon (601) adjacent to the left side or the right side, a corresponding horizontal shaft (101) is hinged between the top ends of each two second ballast pontoons (601) adjacent to the left side and the right side, a connecting shaft (7) horizontally arranged along the front-back direction is hinged between the top ends of each first ballast pontoon (501) and the top ends of each second ballast pontoon (601) adjacent to the front side or the back side, and a connecting shaft (7) is hinged between the top ends of each two second ballast pontoons (601) adjacent to the front side and the back side.

3. An offshore floating photovoltaic wave power unit according to claim 2, characterized in that: the photovoltaic power generation component comprises a photovoltaic platform, the photovoltaic platform comprises a plurality of first main beams (801) which are equal to the number of the horizontal shafts (101) and are parallel to the horizontal shafts (101), and a plurality of second main beams (802) which are equal to the number of the connecting shafts (7) and are parallel to the connecting shafts (7), each first main beam (801) is positioned right above the corresponding horizontal shaft (101), each second main beam (802) is positioned right above the corresponding connecting shaft (7), each first main beam (801) is hinged between the top ends of the first supporting cylinders (502) and the top ends of the second supporting cylinders (602) adjacent to the left side or the right side, a corresponding first main beam (801) is hinged between the top ends of the second supporting cylinders (602) adjacent to the left side or the right side, a corresponding second main beam (802) is hinged between the top ends of the first supporting cylinders (502) and the top ends of the second supporting cylinders (602) adjacent to the front side or the rear side, and a corresponding second main beam (802) is hinged between the top ends of the second supporting cylinders adjacent to the front side or the rear side.

4. An offshore floating photovoltaic wave power unit according to claim 3, characterized in that: every two front and back adjacent all be equipped with one with first girder (801) parallel first girder (803) between every two left and right sides adjacent all be equipped with one with second girder (802) parallel second girder (804) between second girder (802), every first girder (803) both ends articulate on second girder (802) of relevant position department, every second girder (804) both ends articulate on first girder (801) of relevant position department, a plurality of first girder (801), a plurality of second girder (802), a plurality of first girder (803) and a plurality of second girder (804) constitute the platform frame, be fixed with grid board (805) on the platform frame, photovoltaic power generation equipment has been arranged above grid board (805).

5. An offshore floating photovoltaic wave power unit according to claim 2, characterized in that: first shaft supports (10) are fixed at the left part, the right part, the front part and the rear part of the top surface of the first ballast buoy (501), second shaft supports (11) are fixed at the left part, the right part, the front part and the rear part of the top surface of the second ballast buoy (601), one corresponding horizontal shaft (101) is hinged between the corresponding first shaft support (10) of the top surface of each first ballast buoy (501) and the corresponding second shaft support (11) of the top surface of the left or right adjacent second ballast buoy (601), one corresponding horizontal shaft (101) is hinged between the corresponding second shaft support (11) of the top surface of each two left or right adjacent second ballast buoys (601), one corresponding connecting shaft (7) is hinged between the corresponding first shaft support (10) of the top surface of each first ballast buoy (501) and the corresponding second shaft support (11) of the top surface of the front or rear adjacent second ballast buoy, and one corresponding connecting shaft (7) is hinged between the corresponding second shaft supports (11) of each two front or rear adjacent second ballast buoys (601).

6. An offshore floating photovoltaic wave power unit according to claim 2, characterized in that: the utility model provides a first ballast flotation pontoon (501) includes first inner tube (5011) and sets up in first urceolus (5012) in the outside of first inner tube (5011), be connected through first bottom plate (5014) of horizontally between the top of first inner tube (5011) and first urceolus (5012) and bottom, first inner tube (5011), first urceolus (5012), first top plate (5013) and first bottom plate (5014) constitute sealed first box, the axis coincidence of first inner tube (5011), first urceolus (5012) and first support tube (502) three, just the internal diameter of first support tube (502) equals with the internal diameter of first inner tube (5011), and the external diameter of first support tube (502) equals with the external diameter of first inner tube (5011), first support tube (502) top outward flange a week is fixed with annular first inner tube supporting platform (5021), first support tube (5013) and first bottom plate (5014) constitute sealed first box, first support tube (5011) and first ball through-channel (503) are established to the first through-channel that the first ball is equipped with in the first groove (503) from the top down, first ball through-channel is established to the first groove, first ball through-hole is connected to the first side.

7. An offshore floating photovoltaic wave power unit according to claim 2, characterized in that: the second ballast pontoon (601) comprises a second inner cylinder (6011) with an open top end and a closed bottom end, and a second outer cylinder (6012) which is arranged outside the second inner cylinder (6011) and has both the open top end and the open bottom end, wherein the top ends of the second inner cylinder (6011) and the second outer cylinder (6012) are connected through a horizontal second top plate (6013) and the bottom ends are connected through a horizontal second bottom plate (6014), the second inner cylinder (6011), the second outer cylinder (6012), the second top plate (6013) and the second bottom plate (6014) form a closed second box body, the axes of the second inner cylinder (6011), the second outer cylinder (6012) and the second support cylinder (602) are overlapped, the inner diameter of the second support cylinder (602) is equal to the inner diameter of the second inner cylinder (6011), the outer diameter of the second support cylinder (602) is equal to the outer diameter of the second inner cylinder (6011), and the bottom end of the second support cylinder (602) is open and the top end forms a second support platform (6021); the bottom end of the second ballast pontoon (601) is fixed with a circular arc-shaped counterweight body (603), and the top end diameter of the counterweight body (603) is equal to the outer diameter of the second outer barrel (6012).

8. An offshore floating photovoltaic wave power unit according to claim 1, characterized in that: the utility model discloses a power generation rotary drum (201) is hollow sealed flotation pontoon and includes the interlude in the middle part of the supporting section of left and right sides, the inner tube medial surface department of supporting section from left to right distributes a plurality of annular second recesses, every all block and be equipped with a plurality of second balls (202) in the second recess, power generation rotary drum (201) are connected with corresponding horizontal axle (101) rotation through a plurality of second balls (202) of left side supporting section and right side supporting section department, all around establishing in the interlude position department of every power generation rotary drum (201) on horizontal axle (101) and be fixed with stator winding (102), rotor winding (203) are fixed in the inner tube medial surface department of interlude, the urceolus lateral surface department of power generation rotary drum (201) is fixed with a plurality of blades (204).

9. The construction method of an offshore floating type photovoltaic wave power generation device according to any one of claims 1 to 8, taking as an example the construction of one of the photovoltaic wave power generation units, comprising the steps of:

S1, manufacturing the floating support in a factory, manufacturing a plurality of horizontal shafts (101) and a plurality of power generation drums (201), sleeving the power generation drums (201) on each horizontal shaft (101) to obtain the wave power generation component, manufacturing a photovoltaic platform of the photovoltaic power generation component, and purchasing photovoltaic power generation equipment of the photovoltaic power generation component;

s2, transporting the floating support, the wave power generation component and the photovoltaic power generation component to a field water area;

S3, arranging the floating support in a field water area, hinging each horizontal shaft (101) at a corresponding position of the floating support, enabling the wave power generation component to be semi-submerged in sea water, and arranging the photovoltaic power generation component on the floating support to enable the photovoltaic power generation component to be above the sea surface.

10. The method of operation of an offshore floating photovoltaic wave power plant according to any of the claims 1-8, characterized in that in particular: under wave action, a plurality of power generation rotating drums (201) sleeved on the horizontal shaft (101) rotate relative to the horizontal shaft (101), so that rotor windings (203) on the power generation rotating drums (201) rotate relative to stator windings (102) at corresponding positions on the horizontal shaft (101) to perform wave power generation, meanwhile, photovoltaic power generation is performed under the action of light energy through photovoltaic power generation components which are supported by the floating support and are located above the sea surface, and the photovoltaic power generation components and the wave power generation components share the floating support and lift along with the water level so as to maintain a dynamic balance state.