CN210555481U - Floating type offshore photovoltaic power generation platform - Google Patents
Floating type offshore photovoltaic power generation platform Download PDFInfo
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- CN210555481U CN210555481U CN201921434198.9U CN201921434198U CN210555481U CN 210555481 U CN210555481 U CN 210555481U CN 201921434198 U CN201921434198 U CN 201921434198U CN 210555481 U CN210555481 U CN 210555481U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a floating offshore photovoltaic power generation platform, which comprises a platform frame, a diving buoy, a water surface buoy, a suspension bracket, a supporting buoy, a photovoltaic panel frame, a photovoltaic panel, a pile foundation and tension legs; the platform frame comprises an upper layer frame positioned above the water surface and a lower layer frame positioned below the water surface, and the upper layer frame and the lower layer frame are connected through upright posts; the diving buoy is fixedly connected to the lower layer frame; the water surface buoy is fixedly connected to the top of the upright post; the support floats are arranged along the longitudinal direction of the platform frame; the suspension bracket is arranged on the top surface of the supporting floater and the longitudinal frame of the upper layer frame; the photovoltaic panel frame is transversely arranged along the platform frame, and two ends of the photovoltaic panel frame are respectively connected to the suspension frame through springs. The utility model discloses under the prerequisite that possesses economic feasibility and construction convenience, improve the ability that the platform resisted wind, unrestrained, flows the load to realize the application of showy formula photovoltaic power generation platform in the open waters in ocean.
Description
Technical Field
The utility model relates to an offshore photovoltaic power generation technique, in particular to marine floating photovoltaic power generation platform of prestressing force cable frame suspension type.
Background
In recent years, solar photovoltaic power generation has been rapidly developed as a green clean renewable energy source. However, since land solar photovoltaic power generation needs to occupy larger land area and scarcity of land resources, the development of land solar photovoltaic power generation stations is greatly limited, most land solar photovoltaic power generation stations are mostly built in desert regions far away from power utilization centers at present, and the power utilization cost of solar photovoltaic power generation is greatly increased, so that the development of solar photovoltaic power generation is also restricted.
Aiming at the problems that solar photovoltaic power generation occupies more land resources and is far away from a power utilization center, the overwater solar photovoltaic power generation can be well solved, and in addition, the overwater solar photovoltaic power generation also has the advantages of high power generation efficiency, ecological friendliness, capability of being developed with the breeding industry in a synergic manner and the like. However, the overwater solar photovoltaic power generation faces the problem that the area of a closed water area suitable for development is insufficient, and the overwater solar photovoltaic power generation in the ocean water area is a necessary way for the large-scale development of the overwater solar photovoltaic power generation.
The offshore solar photovoltaic power generation platform is in an open sea water area, and compared with the existing overwater solar photovoltaic power generation platform in a closed water area, the offshore solar photovoltaic power generation platform faces more severe environmental load, and the design requirement of the offshore solar photovoltaic power generation platform is different from that of the overwater solar photovoltaic power generation platform in the closed water area, so that the development of a novel offshore solar photovoltaic power generation platform is of great significance to the development of a solar photovoltaic power generation career.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, providing a marine floating photovoltaic power generation platform of prestressing force cable frame suspension type, make it for present showy formula photovoltaic power generation platform on water, under the prerequisite that possesses economic feasibility and construction convenience, improve the ability that the platform supports anti-wind, unrestrained, stream load to realize showy formula photovoltaic power generation platform on water in the application in the open waters in ocean.
The utility model adopts the technical proposal that: a floating offshore photovoltaic power generation platform comprising:
the platform comprises a platform frame, a platform frame and a platform control module, wherein the platform frame comprises an upper layer frame positioned above the water surface and a lower layer frame positioned below the water surface, and the upper layer frame is connected with the lower layer frame through an upright post;
the diving buoy is fixedly connected to the lower layer frame;
the water surface buoy is fixedly connected to the top of the upright post;
the support floats are arranged along the longitudinal direction of the platform frame and are fixedly connected in the platform frame through prestressed float positioning cables;
a suspension bracket disposed on the top surface of the support float and on the longitudinal rim of the upper frame, the suspension bracket being disposed along the longitudinal direction of the platform frame;
the photovoltaic panel frame is arranged along the transverse direction of the platform frame, and two ends of the photovoltaic panel frame are connected to the suspension frame through springs respectively;
the photovoltaic panel is fixedly connected to the photovoltaic panel frame;
a pile foundation secured within a seabed; and the number of the first and second groups,
and one end of the tension leg is fixedly connected with the pile foundation, and the other end of the tension leg is fixedly connected with the lower-layer framework.
Furthermore, the photovoltaic power generation platform also comprises an operation and maintenance channel, the operation and maintenance channel is composed of a steel plate positioned between two photovoltaic plate frames which are adjacent to each other in the front and back direction on the same supporting floater, and the front end and the back end of the steel plate are respectively hinged to the two photovoltaic plate frames which are adjacent in the front and back direction; the steel plates are uniformly distributed along the transverse direction of the photovoltaic plate frame.
Further, the platform frame is a rectangular steel frame structure formed by welding anticorrosive steel pipes.
Further, the dive flotation pontoon is cylindrical thin wall reinforced concrete flotation pontoon, the generating line of dive flotation pontoon with the steel pipe of lower floor's frame is parallel, the dive flotation pontoon with the steel pipe of lower floor's frame is pour as an organic wholely.
Further, the surface of water flotation pontoon is the polyethylene flotation pontoon, the generating line of surface of water flotation pontoon with the stand is parallel.
Furthermore, the support floater is of a thin-wall reinforced concrete floating body structure and comprises an upper reinforced concrete flat plate, a lower reinforced concrete flat plate and a spindle-type floating box positioned between the upper reinforced concrete flat plate and the lower reinforced concrete flat plate.
Furthermore, the prestressed float positioning cable is a prestressed polyethylene cable and comprises an upper prestressed float positioning cable and a lower prestressed float positioning cable, wherein the upper prestressed float positioning cable and the lower prestressed float positioning cable are positioned on the same plane;
the upper-layer prestressed floater positioning cable consists of a longitudinal upper-layer positioning cable body and a transverse upper-layer positioning cable body which are vertically and transversely arranged, two ends of the longitudinal upper-layer positioning cable body are fixedly connected to the transverse steel pipes of the upper-layer frame, and two ends of the transverse upper-layer positioning cable body are fixedly connected to the longitudinal steel pipes of the upper-layer frame; the upper reinforced concrete flat plate of the supporting floater penetrates through the upper positioning cable body on the longitudinal upper layer, the upper positioning cable body on the longitudinal upper layer penetrates through the front end face and the rear end face of the upper reinforced concrete flat plate of the supporting floater, and the front end part and the rear end part of the upper reinforced concrete flat plate of the supporting floater are respectively penetrated through the adjacent two positioning cable bodies on the transverse upper layer;
the lower-layer prestressed floater positioning cable consists of a longitudinal lower-layer positioning cable body and a transverse lower-layer positioning cable body which are vertically arranged in the longitudinal direction and the transverse direction, the longitudinal lower-layer positioning cable body is in one-to-one correspondence with the longitudinal upper-layer positioning cable body in the up-and-down direction, and the transverse lower-layer positioning cable body is in one-to-one correspondence with the transverse upper-layer positioning cable body in the up-and-down direction; two ends of the longitudinal lower-layer positioning cable body are fixedly connected to the transverse arrangement steel pipes of the lower-layer frame, and two ends of the transverse lower-layer positioning cable body are fixedly connected to the longitudinal arrangement steel pipes of the lower-layer frame; the lower reinforced concrete flat plate of the supporting floater penetrates through the longitudinal lower-layer positioning cable body, the longitudinal lower-layer positioning cable body penetrates through the front end face and the rear end face of the lower reinforced concrete flat plate of the supporting floater, and the front end portion and the rear end portion of the lower reinforced concrete flat plate of the supporting floater penetrate through the two adjacent transverse lower-layer positioning cable bodies respectively.
Further, the hanger is a portal steel pipe frame supporting structure, the springs are distributed on the inner side of the frame of the hanger, one ends of the springs are fixedly connected with the hanger, and the other ends of the springs are fixedly connected with the end portions of the photovoltaic panel frame.
Further, the photovoltaic panel frame is a right-angle triangular prism steel frame formed by welding steel pipes and profile steel, and the photovoltaic panel is placed on the oblique side of the right-angle triangular prism steel frame.
Furthermore, the tension leg is a prestressed cable, and the joint of the tension leg and the lower frame is a right-angle point of the lower frame.
The utility model has the advantages that:
the utility model relates to a float marine photovoltaic power generation platform of formula, because of taking the design that large-span photovoltaic board frame and support the float combined together, make the quantity of float significantly reduce, when improving the efficiency of construction, the problem that connection reliability between a large amount of floats is difficult to the assurance has also been avoided, and reduced the area that shields of float in the surface of water wave district, thereby reduced the wave load that the platform receives, and then reduced the load burden to platform anchor system, the holistic security and the reliability of structure have been strengthened.
The prestressed float positioning cable is used as a connection mode between the supporting floats, the prestressed float positioning cable is a polyethylene cable for applying prestress, two ends of the cable are tied on the external frame, and the prestressed float positioning cable penetrates through the supporting floats, so that the connection between the floats and the peripheral steel frame is more reliable, and the design of spring suspension connection between the suspension frame and the photovoltaic panel frame is combined, full-freedom flexible connection between the floats and the frame is realized, the influence of bending moment load is greatly reduced, the high-efficiency utilization of materials is facilitated, and the wind and wave resistance of the platform is also facilitated to be improved.
The buoy that attaches on the platform frame divide into dive buoy and surface of water buoy, and two kinds of buoys provide the buoyancy that is far greater than the frame dead weight for the frame jointly to realize the demand of tension leg to tensile, and separately set up the buoy, reduce the buoy that is located surface of water wave district, can reduce the wave load that the platform received.
Because the number of the floaters required by the platform is small, the volume of a single floater is large, the floaters can be made of thin-wall reinforced concrete, and compared with the floaters made of organic materials, the floater has the advantages of economy and durability.
The combined structure of the peripheral steel frame and the high-density polyethylene cable is benefited, so that the structure has enough strength to meet the towing requirement, most of platform construction work can be completed at ports, and the offshore operation time is shortened.
The photovoltaic panel on water can be arranged at the optimal inclination angle by the aid of the building mode of the photovoltaic panel on the frame, and photovoltaic power generation efficiency is improved.
Drawings
FIG. 1: the utility model relates to a structural schematic diagram of a floating offshore photovoltaic power generation platform;
FIG. 2: the partial enlarged structure of A in FIG. 1 is schematically shown;
FIG. 3: b in FIG. 1 is a schematic enlarged view;
FIG. 4: the structure of the floating body part of the utility model is schematically shown;
FIG. 5: the structure of the suspension bracket of the utility model is shown schematically;
the attached drawings are marked as follows: 1-platform frame, 2-diving buoy, 3-water surface buoy, 4-prestress buoy positioning cable, 5-supporting buoy, 6-suspension bracket, 7-photovoltaic plate frame, 8-operation and maintenance channel, 9-tension leg, 10-pile foundation, 11-photovoltaic plate and 12-spring.
Detailed Description
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
as shown in the attached drawings 1 to 5, the floating offshore photovoltaic power generation platform comprises a platform frame 1, a diving buoy 2, a water surface buoy 3, a prestressed buoy positioning cable 4, a supporting buoy 5, a suspension bracket 6, a photovoltaic panel frame 7, an operation and maintenance channel 8, tension legs 9, a pile foundation 10, a photovoltaic panel 11 and springs 12.
The platform frame 1 is a rectangular steel frame structure formed by welding anticorrosive steel pipes, and comprises an upper layer steel pipe frame positioned above the water surface and a lower layer steel pipe frame positioned below the water surface, wherein the upper layer steel pipe frame and the lower layer steel pipe frame are connected through steel pipe stand columns; the steel pipe can float on the water surface when the opening is closed by controlling the outer diameter and the wall thickness of the steel pipe of the platform frame 1.
The diving buoy 2 is a cylindrical thin-wall reinforced concrete buoy sleeved on the steel pipe of the lower-layer steel pipe frame, the bus of the diving buoy 2 is parallel to the steel pipe of the lower-layer steel pipe frame, and the diving buoy 2 and the steel pipe of the lower-layer steel pipe frame are poured into a whole.
The water surface buoy 3 is made of high-density polyethylene, is sleeved on and connected with the upper-layer steel pipe frame and the lower-layer steel pipe frame on the stand column, and the bus of the water surface buoy 3 is parallel to the stand column and fixedly connected with the top of the stand column.
The support floater 5 is fixedly connected in the platform frame 1 through the prestressed floater positioning cable 4 and is arranged along the longitudinal direction of the platform frame 1. The support floater 5 is of a thin-wall reinforced concrete floating body structure and comprises an upper reinforced concrete flat plate, a lower reinforced concrete flat plate and a spindle-shaped floating box positioned between the upper reinforced concrete flat plate and the lower reinforced concrete flat plate. The upper reinforced concrete flat plate and the suspension bracket 6 are cast into a whole; the upper reinforced concrete flat plate and the lower reinforced concrete flat plate are respectively penetrated by the upper layer prestressed floater positioning cable and the lower layer prestressed floater positioning cable of the prestressed floater positioning cable 4. The arrangement of the supporting floats 5 depends on the span of the photovoltaic panel frame 7 and the photovoltaic panel 11 size.
The prestress floater positioning cable 4 is a high-density polyethylene cable for applying prestress, and comprises an upper prestress floater positioning cable and a lower prestress floater positioning cable, wherein the upper prestress floater positioning cable and the upper prestress floater positioning cable are positioned on the same plane, and the lower prestress floater positioning cable are positioned on the same plane. The upper-layer prestressed floater positioning cable consists of a longitudinal upper-layer positioning cable body and a transverse upper-layer positioning cable body which are vertically and transversely arranged, wherein the longitudinal upper-layer positioning cable body is parallel to the longitudinally arranged steel pipes of the upper-layer steel pipe frame, two ends of the longitudinal upper-layer positioning cable body are tied to the transversely arranged steel pipes of the upper-layer steel pipe frame, the transverse upper-layer positioning cable body is parallel to the transversely arranged steel pipes of the upper-layer steel pipe frame, and two ends of the transverse upper-layer positioning cable body are tied to the longitudinally arranged steel pipes of the upper-layer steel pipe frame; the vertical upper layer positioning cable body and the horizontal upper layer positioning cable body are positioned at the vertical and horizontal intersection position in the supporting floater 5, and are integrally poured with the supporting floater 5, and the vertical and horizontal upper layer positioning cable body specifically comprises the following components: the upper reinforced concrete flat plate of the supporting floater 5 is arranged on the upper positioning cable body in the longitudinal direction in a penetrating mode, the upper positioning cable body in the longitudinal direction penetrates through the front end face and the rear end face of the upper reinforced concrete flat plate of the supporting floater 5, and the front end portion and the rear end portion of the upper reinforced concrete flat plate of the supporting floater 5 are respectively arranged on the two adjacent horizontal positioning cable bodies in a penetrating mode. The lower prestressed floater positioning cable consists of a longitudinal lower positioning cable body and a transverse lower positioning cable body which are vertically and transversely arranged, wherein the longitudinal lower positioning cable body is in one-to-one correspondence with the longitudinal upper positioning cable body, the transverse lower positioning cable body is in one-to-one correspondence with the transverse upper positioning cable body, the longitudinal lower positioning cable body is parallel to a longitudinally arranged steel pipe of the lower steel pipe frame, two ends of the longitudinal lower positioning cable body are tied to transversely arranged steel pipes of the lower steel pipe frame, the transverse lower positioning cable body is parallel to transversely arranged steel pipes of the lower steel pipe frame, and two ends of the transverse lower positioning cable body are tied to longitudinally arranged steel pipes of the lower steel pipe frame; the vertical lower floor location cable body with the crossing department of vertically and horizontally of horizontal lower floor location cable body is located support float 5 is interior, and with support float 5 pours as an organic wholely, specifically does: the lower reinforced concrete flat plate of the supporting floater 5 is arranged on the longitudinal lower layer positioning cable body in a penetrating mode, the longitudinal lower layer positioning cable body penetrates through the front end face and the rear end face of the lower reinforced concrete flat plate of the supporting floater 5, and the front end portion and the rear end portion of the lower reinforced concrete flat plate of the supporting floater 5 are respectively arranged on the two adjacent transverse lower layer positioning cable bodies in a penetrating mode. And a plurality of supporting floaters 5 are connected in series on each group of longitudinal upper-layer positioning cable bodies and longitudinal lower-layer positioning cable bodies which correspond to each other up and down of the prestress floater positioning cable 4. The amount of prestressing of the prestressed float positioning line 4 is dependent on the local sea state.
The suspension bracket 6 is a portal steel pipe frame supporting structure and is arranged along the longitudinal direction of the platform frame 1; the vertical support of the suspension bracket 6 is a triangular support formed by lapping two steel pipes, and the bottom end of the triangular support is fixedly poured on the support floater 5 or welded on the longitudinal frame of the upper-layer steel pipe frame; the springs 12 are distributed on the inner side of the frame of the suspension frame 6, one ends of the springs 12 are in bolted connection with the suspension frame 6, and the other ends of the springs 12 are in bolted connection with the end part of the photovoltaic panel frame 7.
The operation and maintenance channel 8 is composed of a steel plate positioned between two photovoltaic plate frames 7 adjacent to each other in the front and back direction on the same supporting floater 5, and the front end and the back end of the steel plate are respectively hinged to the two photovoltaic plate frames 7 adjacent to each other in the front and back direction; the steel sheet is followed photovoltaic board frame 7's horizontal evenly distributed, its interval should be convenient for fortune dimension personnel's fortune dimension work of going on.
The tension leg 9 is a prestressed steel cable with one end fixedly connected with the pile foundation 10 and the other end fixedly connected with the lower-layer steel pipe frame; the joint of the tension leg 9 and the lower steel pipe frame is a right-angled point of the lower steel pipe frame.
The pile foundation 10 is fixed on the seabed and is a steel pipe pile foundation subjected to anticorrosion treatment.
The photovoltaic panel 11 is embedded and fixed on the photovoltaic panel frame 7.
The utility model relates to a float marine photovoltaic power generation platform's of formula work progress: (1) the standardized and integrated production of the platform frame 1, the diving buoy 2, the water surface buoy 3, the prestress buoy positioning cable 4, the supporting buoy 5, the suspension bracket 6, the photovoltaic panel frame 7, the operation and maintenance channel 8 and the photovoltaic panel 11 is finished, and the platform frame, the diving buoy, the water surface buoy, the prestress buoy positioning cable and the photovoltaic panel are installed and prefabricated into a whole at a port; (2) the tension leg 9 and the pile foundation 10 are connected and then sunk and piled in a laying sea area, and the upper connecting part of the tension leg 9 is connected with a floater by a tether to enable the floater to float in the sea to be connected with the platform frame 1; (3) towing the prefabricated photovoltaic power generation platform to a laying sea area, and pulling the upper connector of the tension leg 9 out of the sea surface by using a winch to be connected with the platform frame 1.
Example 1
The platform frame 1 has the transverse long side length of 48m, the longitudinal short side length of 26m, the side width of 1.2m and the height of 2.4m, the diameter of the used steel pipe is 0.3m, and the wall thickness is 0.006 m; the diameter of the diving buoy 2 is 1.6m, the length of the diving buoy 2 positioned on the longitudinal short side is 2.5m, the length of the diving buoy 2 positioned on the transverse long side is 7m, and the wall thickness is 0.1 m; the diameter of the water surface buoy 3 is 1.6m, the height is 1m, and the wall thickness is 0.05 m; the diameter of the prestressed float positioning cable 4 is 0.15m, and the prestress is 3000N; the upper reinforced concrete flat plate and the lower reinforced concrete flat plate of the support floater 5 are formed by combining fan-shaped plates at two sides and a middle rectangle, the rectangle is 4m long and 1m wide, the highest point of the fan-shaped plate is 1m away from the side of the rectangle and 0.25m high, the height of a perforation of the prestressed floater positioning cable 4 is the middle position of the side wall of the flat plate, two positioning cables are arranged on each layer, the distance between the positioning cables is 3m, the diameter of a large circle on the upper surface and the lower surface of the spindle-shaped buoyancy tank is 1.5m, the diameter of a small circle in the middle is 1m, the height is 2m, and; the heights of the front triangular support and the rear triangular support of the suspension bracket 6 are respectively 0.5m and 1.5m, the top ends of the two triangular supports are connected by steel pipes, the diameters of the steel pipes are both 0.3m, and 8 springs 12 are uniformly distributed on each steel pipe; the length of the photovoltaic panel frame 7 is 16m, steel pipes with the diameter of 0.25m are adopted in the length direction as edges, the included angle between the inclined plane of the right-angle triangular prism and the horizontal plane is 30 degrees, the height of the vertical plane is 1m, the sides of the right-angle triangle are steel pipes with the diameter of 0.15m, and the interval of the right-angle triangle frames is 2 m; the operation and maintenance channel 8 is a steel plate with the length of 0.4m and the width of 0.25m, and the interval is 0.8 m; the length of the tension leg 9 is 8m under the loose condition, the diameter is 0.15m, 16 pieces are arranged totally and are divided into four groups, each group is four, and the four groups are tied at four right angles of the platform frame 1 respectively; the diameter of the pile foundation 10 is 2.5m, the depth of the soil is 10m, and the wall thickness is 0.025 m; the photovoltaic panel 11 is a polysilicon photovoltaic panel 11, and has a length of 2m and a width of 1 m.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (10)
1. A floating offshore photovoltaic power generation platform, comprising:
the platform comprises a platform frame (1) and a platform frame, wherein the platform frame comprises an upper layer frame positioned above the water surface and a lower layer frame positioned below the water surface, and the upper layer frame is connected with the lower layer frame through a stand column;
the diving buoy (2), the said diving buoy (2) is fixedly connected to said lower floor frame;
the water surface buoy (3), the water surface buoy (3) is fixedly connected to the top of the upright post;
support floats (5) arranged longitudinally of the platform frame (1) and fixedly connected in the platform frame (1) by means of pre-stressed float positioning cables (4);
a suspension bracket (6), the suspension bracket (6) being arranged on the top surface of the supporting float (5) and on the longitudinal rim of the upper frame, the suspension bracket (6) being arranged in the longitudinal direction of the platform frame (1);
the photovoltaic panel frame (7) is arranged along the transverse direction of the platform frame (1), and two ends of the photovoltaic panel frame (7) are connected to the suspension frame (6) through springs (12) respectively;
the photovoltaic panel (11), the photovoltaic panel (11) is fixedly connected to the photovoltaic panel frame (7);
a pile foundation (10), the pile foundation (10) being fixed within the seabed; and the number of the first and second groups,
one end of the tension leg (9) is fixedly connected with the pile foundation (10), and the other end of the tension leg (9) is fixedly connected with the lower-layer framework.
2. The floating offshore photovoltaic power generation platform according to claim 1, further comprising an operation and maintenance channel (8), wherein the operation and maintenance channel (8) is composed of a steel plate positioned between two photovoltaic plate frames (7) adjacent to each other in the front and back direction on the same supporting floater (5), and the front end and the back end of the steel plate are respectively hinged to the two photovoltaic plate frames (7) adjacent to each other in the front and back direction; the steel plates are uniformly distributed along the transverse direction of the photovoltaic plate frame (7).
3. The floating offshore photovoltaic power generation platform according to claim 1, wherein the platform frame (1) is a rectangular steel frame structure formed by welding anti-corrosion steel pipes.
4. A floating offshore photovoltaic power generation platform according to claim 1, wherein the submerged buoy (2) is a cylindrical thin-walled reinforced concrete buoy, the generatrix of the submerged buoy (2) is parallel to the steel pipe of the lower frame, and the submerged buoy (2) is cast integrally with the steel pipe of the lower frame.
5. A floating offshore photovoltaic power generation platform according to claim 1, characterized in that the surface buoy (3) is a polyethylene buoy, and the generatrix of the surface buoy (3) is parallel to the upright.
6. A floating offshore photovoltaic power generation platform according to claim 1, characterized in that the support floats (5) are of a thin-walled reinforced concrete buoyant structure comprising an upper reinforced concrete slab, a lower reinforced concrete slab and a spindle-type buoyancy tank between the upper reinforced concrete slab and the lower reinforced concrete slab.
7. The floating offshore photovoltaic power generation platform according to claim 1, wherein the pre-stressed float positioning cable (4) is a pre-stressed polyethylene cable comprising an upper pre-stressed float positioning cable in the same plane as the upper frame and a lower pre-stressed float positioning cable in the same plane as the lower frame;
the upper-layer prestressed floater positioning cable consists of a longitudinal upper-layer positioning cable body and a transverse upper-layer positioning cable body which are vertically and transversely arranged, two ends of the longitudinal upper-layer positioning cable body are fixedly connected to the transverse steel pipes of the upper-layer frame, and two ends of the transverse upper-layer positioning cable body are fixedly connected to the longitudinal steel pipes of the upper-layer frame; the upper reinforced concrete flat plate of the supporting floater (5) is arranged on the upper positioning cable body in the longitudinal direction in a penetrating manner, the upper positioning cable body in the longitudinal direction penetrates through the front end face and the rear end face of the upper reinforced concrete flat plate of the supporting floater (5), and the front end part and the rear end part of the upper reinforced concrete flat plate of the supporting floater (5) are respectively arranged on the two adjacent positioning cable bodies on the transverse direction in a penetrating manner;
the lower-layer prestressed floater positioning cable consists of a longitudinal lower-layer positioning cable body and a transverse lower-layer positioning cable body which are vertically arranged in the longitudinal direction and the transverse direction, the longitudinal lower-layer positioning cable body is in one-to-one correspondence with the longitudinal upper-layer positioning cable body in the up-and-down direction, and the transverse lower-layer positioning cable body is in one-to-one correspondence with the transverse upper-layer positioning cable body in the up-and-down direction; two ends of the longitudinal lower-layer positioning cable body are fixedly connected to the transverse arrangement steel pipes of the lower-layer frame, and two ends of the transverse lower-layer positioning cable body are fixedly connected to the longitudinal arrangement steel pipes of the lower-layer frame; the lower reinforced concrete flat plate of the supporting floater (5) is arranged on the longitudinal lower layer positioning cable body in a penetrating mode, the longitudinal lower layer positioning cable body penetrates through the front end face and the rear end face of the lower reinforced concrete flat plate of the supporting floater (5), and the front end portion and the rear end portion of the lower reinforced concrete flat plate of the supporting floater (5) are respectively arranged on the two adjacent transverse lower layer positioning cable bodies in a penetrating mode.
8. The floating offshore photovoltaic power generation platform according to claim 1, wherein the suspension frame (6) is a portal steel pipe frame support structure, the springs (12) are distributed on the inner side of the frame of the suspension frame (6), one end of each spring (12) is fixedly connected with the suspension frame (6), and the other end of each spring is fixedly connected with the end of the photovoltaic plate frame (7).
9. A floating offshore photovoltaic power generation platform according to claim 1, characterized in that the photovoltaic panel frame (7) is a right triangular prism steel frame welded by steel pipes and section steel, and the photovoltaic panels (11) are placed on the oblique edges of the right triangular prism steel frame.
10. The floating offshore photovoltaic power generation platform according to claim 1, wherein the tension legs (9) are pre-stressed cables, and the connection between the tension legs (9) and the lower frame is a right-angled point of the lower frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921434198.9U CN210555481U (en) | 2019-08-30 | 2019-08-30 | Floating type offshore photovoltaic power generation platform |
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| CN201921434198.9U CN210555481U (en) | 2019-08-30 | 2019-08-30 | Floating type offshore photovoltaic power generation platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450917A (en) * | 2019-08-30 | 2019-11-15 | 天津大学 | A kind of floatation type sea photovoltaic power generation platform |
| CN114560049A (en) * | 2022-03-11 | 2022-05-31 | 中国华能集团清洁能源技术研究院有限公司 | Floating photovoltaic system and offshore wind power system |
| CN114635447A (en) * | 2022-04-07 | 2022-06-17 | 天津大学 | Offshore photovoltaic fixed multi-cylinder foundation structure and construction method thereof |
| CN114954821A (en) * | 2022-06-30 | 2022-08-30 | 上海交通大学 | Floating type photovoltaic structure on sea and photovoltaic system on sea |
-
2019
- 2019-08-30 CN CN201921434198.9U patent/CN210555481U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450917A (en) * | 2019-08-30 | 2019-11-15 | 天津大学 | A kind of floatation type sea photovoltaic power generation platform |
| CN114560049A (en) * | 2022-03-11 | 2022-05-31 | 中国华能集团清洁能源技术研究院有限公司 | Floating photovoltaic system and offshore wind power system |
| CN114635447A (en) * | 2022-04-07 | 2022-06-17 | 天津大学 | Offshore photovoltaic fixed multi-cylinder foundation structure and construction method thereof |
| CN114635447B (en) * | 2022-04-07 | 2024-04-09 | 天津大学 | Marine photovoltaic fixed multi-cylinder foundation structure and construction method thereof |
| CN114954821A (en) * | 2022-06-30 | 2022-08-30 | 上海交通大学 | Floating type photovoltaic structure on sea and photovoltaic system on sea |
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