A reusable offshore platform capable of autonomous control of surfacing and submerging

Abstract

The application provides a reusable ocean platform capable of autonomously controlling floating and diving, comprising an ocean platform body, wherein the ocean platform body comprises a first shell and a second shell, the top end of the first shell is provided with a fixed platform structure for installing different test equipment, a photovoltaic power generation mechanism for supplying power to each equipment on the ocean platform body is arranged on the first shell, a negative pressure water storage cabin is arranged in the second shell, a pressure increasing turbine mechanism and an ocean water filtering device are further arranged below the negative pressure water storage cabin in the second shell, and a sensor integrated module is further arranged on the surface of the second shell; the application has the following beneficial effects: when the test equipment is not installed on the ocean platform body, the main control module can autonomously control the ocean platform body to float or dive into water as a whole after inputting an external self-control program, so that the ocean platform body can cope with extreme sea conditions, thereby realizing unmanned control.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of offshore platforms, in particular to a reusable offshore platform capable of autonomously controlling floating and diving. BACKGROUND

[0002] With the development of current technology and the rapid increase in the global population, the living space of human beings is gradually expanding to the ocean. There are a large number of resources available for development in the ocean, among which the development of oil and mineral resources in the seabed occupies a dominant position. The storage capacity of offshore oil and gas resources accounts for about one-third of the global oil and gas storage capacity. Regardless of the form of development of the ocean, the ocean environment must be completely tested and evaluated. Among them, the semi-submersible offshore platform in the floating offshore platform is widely used, and with the development of offshore development, the semi-submersible platform has been rapidly developed.

[0003] The current semi-submersible platform has the following shortcomings: (1) The current semi-submersible platform has a single working mode and cannot autonomously control the overall diving of the platform into the water to avoid adverse sea surface environments such as typhoons, thunderstorms, or sea surface activities such as ship passage and fish migration, so it cannot be unmanned and controlled. At present, most platforms are bound to the platform and the equipment on the platform, and a platform is only used for one purpose. After the work is completed, the test equipment and the floating platform need to be eliminated at the same time, and the economic benefit is low. (2) The working sea area is far from the land, and it is relatively inconvenient to rely on irregular transportation of batteries from the land. (3) Most platforms use a fixed anchor chain, which is not tensioned enough in deep water, causing the platform to tilt and shake, and it can move in a large range within a certain radius of the anchor block, reducing the real-time positioning accuracy of the equipment, and also increasing the difficulty of information collection and construction work, and the equipment is more prone to damage. Therefore, seeking an economic and effective and safe and reliable offshore platform design scheme is of great significance to ensure the safety of offshore operations and reduce the investment and maintenance costs of offshore equipment development. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the present application aims to provide a reusable offshore platform capable of autonomously controlling floating and diving, which solves the problems of the existing semi-submersible platform that cannot be autonomously controlled, and cannot replace the test equipment, and relies on irregular transportation of batteries from the land.

[0005] To achieve the above object and other related objects, the present application provides the following technical scheme:

[0006] The utility model provides a kind of reusable ocean platform capable of autonomously controlling up and down, including ocean platform main body, the ocean platform main body includes first shell and second shell, the top of the first shell is equipped with fixed platform structure for installing different test equipment, the first shell is equipped with photovoltaic power generation mechanism for powering each equipment on the ocean platform main body, the second shell is equipped with negative pressure water storage cabin below the photovoltaic power generation mechanism, the second shell is also equipped with booster turbine mechanism below the negative pressure water storage cabin and ocean water filtering device below the booster turbine mechanism, the surface of the second shell is also equipped with sensor integrated module;

[0007] The first shell is also equipped with control module, the control module is electrically connected with the photovoltaic power generation mechanism, booster turbine mechanism and sensor integrated module respectively by wire, and the control module is connected with marine weather system and fleet control system respectively by network, and the control module can autonomously control booster turbine mechanism to make the ocean platform main body float or dive into water under the action of sensor integrated module, marine weather system and fleet control system.

[0008] In an embodiment of the utility model, the fixed platform structure includes a support ring, a plurality of support columns integrally formed with the support ring and installed on the top of the first shell, and a fixed plate for installing test equipment, the fixed plate is detachably installed on the support columns by fastening fasteners, and the surface of the support columns is provided with a tooth groove for preventing the fastening fasteners from sliding.

[0009] In an embodiment of the utility model, the fastening fastener includes a first fastener installed on the fixed plate and a second fastener movably connected with the first fastener, the first fastener and the second fastener are connected by bolts, and the first fastener and the second fastener are sleeved on the support columns in a circular ring shape when connected by bolts.

[0010] In an embodiment of the utility model, the photovoltaic power generation mechanism includes a flexible photovoltaic power generation panel arranged on the surface of the first shell, a storage battery installed in the first shell above the control module, and a voltage and charging control module located around the storage battery, the surface of the flexible photovoltaic power generation panel is provided with high-transmittance explosion-proof glass, the top side of the first shell is provided with a power take-off interface above the flexible photovoltaic power generation panel, and the voltage and charging control module is electrically connected with the flexible photovoltaic power generation panel, storage battery, control module and sensor integrated module respectively by wire.

[0011] In an embodiment of the present application, the turbocharger comprises an electrically-driven bidirectional turbocharger for charging and discharging the negative pressure water storage tank, and the negative pressure water storage tank is provided with a control valve, the electrically-driven bidirectional turbocharger and the control valve are electrically connected with the control module through wires, and the electrically-driven bidirectional turbocharger is also electrically connected with the voltage and charging control module through wires.

[0012] In an embodiment of the present application, the sensor integrated module comprises a sensor module and two communication positioning modules, the sensor module comprises two sea state acquisition and platform attitude integrated sensors and a plurality of depth sensors, the two sea state acquisition and platform attitude integrated sensors, the plurality of depth sensors and the two communication positioning modules are uniformly arranged on the surface of the second shell along the circumference of the second shell.

[0013] In an embodiment of the present application, the surface of the second shell is also provided with a plurality of anti-impact supports, the plurality of anti-impact supports are also uniformly arranged on the surface of the second shell along the circumference of the second shell, and the plurality of anti-impact supports are also uniformly arranged on the side of each sensor in the sensor integrated module.

[0014] In an embodiment of the present application, the bottom side of the second shell is provided with three bar anchors through a first connecting piece, and the tail end of the bar anchor is provided with a positioning anchor through a second connecting piece, and the positioning anchor is in the shape of a quadrangular frustum.

[0015] As described above, the reusable ocean platform capable of autonomously controlling the upward floating and downward diving has the following beneficial effects:

[0016] 1. The present application can control the ocean platform body to float upward or dive downward into the water autonomously through the external input of the self-control program when the test equipment is not installed on the ocean platform body, so as to avoid the harsh environment on the sea surface such as typhoon, thunderstorm, or the sea surface activities such as ship passing and fish migration, so that the ocean platform body can cope with extreme sea conditions, increase the service life of the ocean platform, and thus realize unmanned control;

[0017] 2. The sensor module in the present application is used for collecting or receiving data and transmitting the collected data to the communication module, and the communication module can transmit the collected sea condition information data to the outside, so as to realize intelligent remote monitoring and real-time monitoring of the sea condition of the sea area where the ocean platform body is located, and provide convenience for marine monitoring;

[0018] 3. The application can install different test equipment for different test requirements as a marine floating platform, and the test equipment does not need to be scrapped after disassembly, which is very convenient for multiple tests or collection of sea state information, and the reusable marine platform can observably reduce the disassembly, assembly, operation and maintenance costs;

[0019] 4. The marine platform body in the application adopts a photovoltaic power generation mechanism, the use and collection of electric quantity are centrally controlled by a voltage and charging control module in the photovoltaic power generation mechanism, more power can be obtained by reverse rotation of the turbine during water injection, and excellent economy can be achieved under the premise of ensuring the energy saving and emission reduction effect of the system;

[0020] 5. The marine platform body in the application adopts a tension type mooring system with three anchor chains, the system is configured with a gravity anchor block sunk to the seabed, and a 2-level stepped anchor chain is selected, since the marine platform body structure has symmetry, the type of three anchor chains is adopted, the drift radius of the platform on the water surface is reduced, and the working safety and stability of the marine platform body are increased. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A front view schematic diagram of a reusable marine platform capable of autonomously controlling floating and diving disclosed in the embodiment of the application is shown;

[0022] Figure 2 A front view schematic diagram of a marine platform body in a reusable marine platform capable of autonomously controlling floating and diving disclosed in the embodiment of the application is shown;

[0023] Figure 3 A front view cross-sectional schematic diagram of a marine platform body in a reusable marine platform capable of autonomously controlling floating and diving disclosed in the embodiment of the application is shown;

[0024] Figure 4 A right front view schematic diagram of a first shell body fixed platform structure and a photovoltaic power generation mechanism in a reusable marine platform capable of autonomously controlling floating and diving disclosed in the embodiment of the application is shown;

[0025] Figure 5 A front view schematic diagram of a reusable marine platform capable of autonomously controlling floating and diving disclosed in the embodiment of the application is shown; Figure 4 An enlarged schematic diagram of position A in the middle;

[0026] Figure 6 A right front view schematic diagram of a first shell body fixed platform structure and a photovoltaic power generation mechanism in a reusable marine platform capable of autonomously controlling floating and diving disclosed in the embodiment of the application is shown;

[0027] Figure 7A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown. Figure 6 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0028] Figure 8 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0029] Figure 9 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0030] Figure 10 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0031] Figure 11 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0032] Figure 12 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0033] Figure 13 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0034] Figure 14 A schematic view of the second shell of the reusable ocean platform capable of autonomously controlling the floating and diving disclosed in the embodiments of the present application is shown.

[0035] Element number explanation

[0036] 1, offshore platform main body; 101, first shell; 102, second shell; 2, hawse pipe; 3, positioning anchor; 4, fixed platform structure; 401, support ring; 402, fixed plate; 403, support column; 5, photovoltaic power generation mechanism; 501, flexible photovoltaic power generation plate; 502, storage battery; 503, high-transparency explosion-proof glass; 504, voltage and charging control module; 6, sensor integrated module; 601, sensor module; 6011, sea state acquisition and platform attitude integrated sensor; 6012, depth sensor; 602, communication positioning module; 7, anti-collision support; 8, control module; 9, negative pressure water storage tank; 10, booster turbine mechanism; 1001, electrically driven bidirectional booster turbine; 11, marine water filtering device; 12, fastening fastener; 1201, first fastener; 1202, second fastener; 13, tooth groove; 14, bolt. DETAILED DESCRIPTION

[0037] The embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. It should be noted that the following examples and features in the examples can be combined with each other without conflict.

[0038] Please refer to Figures 1 to 12 The present application provides a reusable offshore platform capable of autonomous control of floating and diving, comprising an offshore platform main body 1, the offshore platform main body 1 comprising a first shell 101 and a second shell 102, the first shell 101 being provided with a control module 8, the bottom side of the second shell 102 being provided with three hawse pipes 2 through a first connecting piece, the tail end of the hawse pipe 2 being provided with a positioning anchor 3 through a second connecting piece; wherein in the present embodiment, the hawse pipe 2 adopts a 2-stage hawse pipe 2, each with 4 sections, and is installed in a distributed manner at the lower end of the second shell 102 through a shackle connection, and the centers of each hawse pipe 2 are 120 apart; the positioning anchor 3 is a gravity anchor, which adopts steel bars as the main structure and cement material for pouring, has low cost and is simple to manufacture and install, and has a quadrangular prism shape, which is beneficial to improve the friction on the flat seabed, and each positioning anchor 3 is provided with a lifting ring, that is, a second connecting piece, which facilitates the lifting and positioning of the hawse pipe 2.

[0039] By Figures 4 to 7It can be known that the top end of the first shell 101 is provided with a fixed platform structure 4 for installing different test equipment, the fixed platform structure 4 comprises a support ring 401, a plurality of support columns 403 integrally formed with the support ring 401 and installed on the top end of the first shell 101, and a fixed plate 402 for installing test equipment, the fixed plate 402 is detachably installed on the support column 403 through a fastening buckle 12, and the surface of the support column 403 is provided with a tooth groove 13 for preventing the fastening buckle 12 from sliding, wherein the tooth groove 13 can enhance the stability of the fixed plate 402; the fastening buckle 12 comprises a first fastener 1201 installed on the fixed plate 402 and a second fastener 1202 movably connected with the first fastener 1201, the first fastener 1201 and the second fastener 1202 are connected through a bolt 14, and the first fastener 1201 and the second fastener 1202 are sleeved on the support column 403 in a circular ring shape when they are connected through the bolt 14; it needs to be noted that the fixed platform structure 4 is connected with the first shell 101 by welding, the surface of the fixed platform structure 4 is sprayed with anti-rust paint, and electrochemical processing anti-rust treatment is used; the test equipment to be installed is installed on the fixed plate 402, the fixed plate 402 can be detachably installed on the support column 403 through the fastening buckle 12, and the height and inclination angle of the test equipment can be appropriately changed by adjusting the four fastening buckles 12 respectively to meet the test requirements.

[0040] As shown in Figure 3 The first shell 101 is provided with a photovoltaic power generation mechanism 5 for supplying power to each equipment on the offshore platform body 1, the photovoltaic power generation mechanism 5 comprises a flexible photovoltaic power generation plate 501 arranged on the surface of the first shell 101, a storage battery 502 installed in the first shell 101 and located above the control module 8, and a voltage and charging control module 504 located on the side of the storage battery 502, wherein the flexible photovoltaic power generation plate 501 can be appropriately bent and folded at an angle, reducing the occupied volume and improving the power generation cost performance, the storage battery 502 adopts the currently widely used lithium battery, and different capacity storage batteries 502 can be selected according to different requirements;

[0041] The surface of the flexible photovoltaic power generation panel 501 is provided with high light transmission explosion-proof glass 503, which isolates all the flexible photovoltaic power generation panel 501 from the outside and plays a sealing and waterproof role, and the waterproof level is not less than IPX7, the glass can withstand deep water pressure and is not deformed; the top side of the first shell 101 is provided with a power taking interface above the flexible photovoltaic power generation panel 501 and has good waterproof performance, and the test equipment can be used after being waterproofed; the solar power generation technology on the sea surface can effectively improve the efficiency and economy of the platform power generation technology, the light energy on the sea surface is sufficient, the sunshine duration is sufficient, the light energy utilization rate is high, the photovoltaic power generation mechanism 5 makes the renewable energy power generation become easy to control from almost uncontrollable, makes the power system output power characteristics tend to be smooth, and the power supply system of the offshore platform runs more safely, reliably, economically and flexibly through the photovoltaic power generation mechanism 5.

[0042] It can be known from Figure 3 、 Figure 8 and Figure 9 that the second shell 102 is provided with a negative pressure water storage cabin 9 below the photovoltaic power generation mechanism 5, and the second shell 102 is further provided with a pressurizing turbine mechanism 10 below the negative pressure water storage cabin 9 and a marine water filtering device 11 below the pressurizing turbine mechanism 10; the pressurizing turbine mechanism 10 comprises an electrically-driven bidirectional pressurizing turbine 1001 capable of charging and discharging water of the negative pressure water storage cabin 9, and the negative pressure water storage cabin 9 is provided with a control valve; the marine water filtering device 11 can be replaced according to the marine conditions and test requirements, and the replaceable structure of the marine water filtering device 11 comprises a filter screen and a filter core; the content of sand and sea salt in the sea is relatively high, which can easily affect the electrically-driven bidirectional pressurizing turbine 1001, and the filtering device with different mesh and filter core can reduce the influence.

[0043] As Figure 10 and Figure 11As shown, the surface of the second shell 102 is also provided with a sensor integrated module 6, which includes a sensor module 601 and two communication positioning modules 602. The sensor module 601 includes two sea state acquisition and platform attitude integrated sensors 6011 and four depth sensors 6012. The two sea state acquisition and platform attitude integrated sensors 6011, the four depth sensors 6012 and the two communication positioning modules 602 are uniformly arranged on the surface of the second shell 102 along the circumference of the second shell 102. The sea state acquisition and platform attitude integrated sensor 6011 is an integrated sensor, which includes a sea state acquisition sensor (such as flow rate, flow direction, water pressure, etc.) and a platform attitude sensor (such as an inclination sensor, an acceleration sensor, a vibration sensor, a depth sensor, etc.). The sea state acquisition sensor is composed of ultrasonic transceiving probes. One probe transmits ultrasonic waves, and the other probe monitors the ultrasonic waves. The flow rate and direction of the water flow are detected according to the reflected wave band and the time difference between transmission and reception. The platform attitude sensor collects the inclination angle of the platform based on the working principle of the accelerometer and the gyroscope. The two sea state acquisition and platform attitude integrated sensors 6011 are distributed at 90 degrees around the second shell 102. The control module 8 records the data according to the average value of the data of the two sea state acquisition and platform attitude integrated sensors 6011.

[0044] The depth sensor 6012 determines the depth of the ocean platform body 1 according to the pressure data. The depth sensor 6012 first determines the water immersion state by using the conductivity of water. When the two probes simultaneously contact the water, an electric current loop is formed. At this time, the depth sensor 6012 reports the water immersion state. When located underwater, the external pressure increases. The depth sensor 6012 gives different data outputs for different water pressures. The four depth sensors 6012 are uniformly distributed around the second shell 102, each being distributed at 90 degrees. The control module 8 records the depth data according to the average value of the data of the four depth sensors 6012. The communication positioning module 602 includes a communication module and a positioning module. That is, the communication positioning module 602 is externally integrated with an antenna, which integrates the Beidou positioning system and the data transmission system. The accurate position is determined according to the output data of the Beidou positioning system. The communication module can receive and send all the working data of the ocean platform body 1 to the control personnel. The communication module can be actively controlled by human beings. Inputting a self-control instruction can enable the ocean platform body 1 to make a judgment according to the surrounding sea conditions.

[0045] As shown in FIG. 6, the sensor integrated module 6 is arranged on the surface of the second shell 102. Figure 10 and Figure 12As shown, the surface of the second shell 102 is also provided with a plurality of anti-collision supports 7, which are also uniformly spaced along the circumference of the second shell 102 and located on the side of each sensor in the sensor integrated module 6; wherein the protective anti-collision support 7 is made of steel plate stamping, the surface is coated with anti-rust and anti-corrosion material, and is connected with the outer wall of the negative pressure water storage tank 9 by welding. There are 8 anti-collision supports in total, which are evenly distributed around the second shell 102. The water level line of the offshore platform main body 1 during operation is approximately distributed between the anti-collision supports 7, preventing the platform from being damaged by the serious collision of marine floating objects with the offshore platform main body 1.

[0046] Specifically, the voltage and charging control module 504 is electrically connected to the flexible photovoltaic panel 501, the battery 502, the control module 8 and the sensor integrated module 6 through wires, and the voltage and charging control module 504 is also connected to the electrically driven bidirectional supercharged turbine 1001 and the test equipment through an inverter. The electrically driven bidirectional supercharged turbine 1001 is also connected to the voltage and charging control module 504 through a voltage stabilizer and an inverter. It should be noted that the photovoltaic power generation mechanism 5 uses a flexible photovoltaic panel 501 made of a semiconductor to convert light energy into electrical energy, which is then stored in the battery 502 through the voltage and charging control module 504. When the battery 502 is fully charged, the voltage and charging control module 504 will supply power to the control module 8, the sensor integrated module 6, the electrically driven bidirectional supercharged turbine 1001 and the test equipment. For details, please refer to Figure 13 .

[0047] More specifically, the control module 8 is also used to control the voltage and charging control module 504, and the voltage and charging control module 504 also provides information feedback to the control module 8. The control module 8 is electrically connected to the electrically driven bidirectional supercharged turbine 1001 and the control valve through wires. The control module 8 is also used to control each sensor in the sensor integrated module 6 and the communication positioning module. The data collected by each sensor in the sensor integrated module 6 is fed back to the control module 8 through the communication module. The control personnel can input autonomous control instructions to the control module 8 through the communication module, so that the offshore platform main body 1 can make autonomous judgments based on the surrounding sea conditions. For details, please refer to Figure 14 .

[0048] Further, the communication module sets the working mode of the offshore platform body 1, and the working mode is initially set in two modes. One working mode is autonomous control. When the offshore platform body 1 is not installed with a test device, the working mode of the offshore platform body 1 is set to autonomous control. The communication module can be actively controlled by a person, and the input of the autonomous control instruction can enable the offshore platform body 1 to make a judgment autonomously according to the surrounding sea conditions. The offshore platform body 1 positions its own position through the Beidou positioning system, obtains the surrounding sea conditions through the network, and makes a judgment autonomously. The control module 8 accesses the marine weather system, analyzes the weather forecast result, makes a feedback on the sea condition result that may affect the self-stabilization of the platform, and actively controls the offshore platform body 1 to dive below the water surface. The control module 8 accesses the ship online system, actively identifies the ship route, and combines the positioning module to actively dive to avoid the situation affecting the navigation of the ship. Another working mode is active control. When the offshore platform body 1 is installed with a test device, the working mode of the offshore platform body 1 is set to active control. The operator can actively control the offshore platform body 1 according to the demand, and actively control the floating depth and the diving and rising mode of the offshore platform body 1.

[0049] Further, the sensor integration module 6 and the control module 8 of the offshore platform body 1 are in feedback with each other. When the offshore platform body 1 needs to float up, the control module 8 starts the electrically-driven bidirectional supercharged turbine 1001 to suck and discharge the seawater in the negative pressure water storage tank 9. After the seawater in the negative pressure water storage tank 9 is quantitatively discharged, the negative pressure water storage tank 9 is in a negative pressure state, and the weight of the entire offshore platform body 1 is reduced. The offshore platform body 1 floats up. According to the signal feedback of the depth sensor 6012, the position of the offshore platform body 1 is judged to determine the start and stop of the electrically-driven bidirectional supercharged turbine 1001 and the water storage capacity of the negative pressure water storage tank 9. When the offshore platform body 1 needs to dive, the negative pressure water storage tank 9 is filled with water under the joint action of the negative pressure inside the negative pressure water storage tank 9 and the high water pressure outside. According to the signal feedback of the depth sensor 6012, the depth position of the offshore platform body 1 is judged to determine the opening and closing of the control valve and the water storage capacity of the negative pressure water storage tank 9. The electrically-driven bidirectional supercharged turbine 1001 needs to be started only when discharging water. When filling water, the water flow can be used to drive the electrically-driven bidirectional supercharged turbine 1001 to rotate and generate electricity, thereby further saving electric energy and improving work efficiency.

[0050] In summary, the application can control the ocean platform body 1 to float or dive into the water as a whole to avoid the bad environment on the sea such as typhoon, thunderstorm, or the activities on the sea such as ship passing and fish migration, so as to realize unmanned control; the application can install different test equipment according to different test requirements, and the test equipment does not need to be scrapped after being disassembled; the ocean platform body 1 in the application adopts the photovoltaic power generation mechanism 5, the voltage and the charging control module 504 in the photovoltaic power generation mechanism 5 control the use and collection of the electric quantity, so that the system has excellent economy under the premise of ensuring energy saving and emission reduction effect; the ocean platform body 1 in the application adopts the tension type mooring system with three anchor chains, which increases the working safety and stability of the ocean platform body 1.

[0051] The above embodiments only exemplarily illustrate the principles and effects of the application, and are not used to limit the application. All equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical thought disclosed by the application should be covered by the claims of the application.

Claims

1. A reusable offshore platform capable of autonomous control of surfacing and submerging, comprising an offshore platform body (1) comprising a first shell (101) and a second shell (102), characterized in that: The top end of the first shell (101) is provided with a fixed platform structure (4) for installing different test equipment, the fixed platform structure (4) comprises a support ring (401), a plurality of support columns (403) integrally formed with the support ring (401) and installed on the top end of the first shell (101), and a fixed plate (402) for installing test equipment, the fixed plate (402) is detachably installed on the support column (403) through a fastening buckle (12), and the surface of the support column (403) is provided with a tooth groove (13) for preventing the fastening buckle (12) from sliding; The fastening buckle (12) comprises a first fastener (1201) installed on the fixed plate (402) and a second fastener (1202) movably connected with the first fastener (1201), the first fastener (1201) and the second fastener (1202) are connected through a bolt (14), and the first fastener (1201) and the second fastener (1202) are sleeved on the support column (403) in a circular ring shape when connected through the bolt (14); The first shell (101) is provided with a photovoltaic power generation mechanism (5) for supplying power to each device on the offshore platform body (1), the second shell (102) is provided with a negative pressure water storage cabin (9) below the photovoltaic power generation mechanism (5), the second shell (102) is further provided with a booster turbine mechanism (10) below the negative pressure water storage cabin (9) and an ocean water filtering device (11) below the booster turbine mechanism (10), and the surface of the second shell (102) is further provided with a sensor integrated module (6); The first shell (101) is further provided with a control module (8), the control module (8) is electrically connected with the photovoltaic power generation mechanism (5), the booster turbine mechanism (10) and the sensor integrated module (6) through wires respectively, and the control module (8) is connected with a marine weather system and a fleet control system through a network respectively, and the control module (8) can autonomously control the booster turbine mechanism (10) to make the offshore platform body (1) float or dive into water as a whole under the action of the sensor integrated module (6), the marine weather system and the fleet control system.

2. A reusable offshore platform capable of autonomous control of its ascent and descent according to claim 1, characterized in that: The photovoltaic power generation mechanism (5) comprises a flexible photovoltaic power generation panel (501) arranged on the surface of the first shell (101), a storage battery (502) installed in the first shell (101) and located above the control module (8), and a voltage and charging control module (504) located around the storage battery (502), the surface of the flexible photovoltaic power generation panel (501) is provided with a high-transmittance explosion-proof glass (503), the top side of the first shell (101) is provided with a power take-off interface located above the flexible photovoltaic power generation panel (501), and the voltage and charging control module (504) is electrically connected with the flexible photovoltaic power generation panel (501), the storage battery (502), the control module (8) and the sensor integrated module (6) through wires respectively.

3. A reusable offshore platform capable of autonomous control of its ascent and descent according to claim 2, characterized in that: The supercharging turbine mechanism (10) comprises an electrically-driven bidirectional supercharging turbine (1001) capable of filling and draining the negative pressure water storage tank (9), and a control valve is arranged on the negative pressure water storage tank (9), the electrically-driven bidirectional supercharging turbine (1001) and the control valve are electrically connected with the control module (8) through wires, and the electrically-driven bidirectional supercharging turbine (1001) is also electrically connected with the voltage and charging control module (504) through wires.

4. The reusable offshore platform capable of autonomous control of its ascent and descent according to claim 1, wherein: The sensor integrated module (6) comprises a sensor module (601) and two communication positioning modules (602), the sensor module (601) comprises two sea state acquisition and platform attitude integrated sensors (6011) and a plurality of depth sensors (6012), the two sea state acquisition and platform attitude integrated sensors (6011), the plurality of depth sensors (6012) and the two communication positioning modules (602) are uniformly arranged on the surface of the second shell (102) along the circumference of the second shell (102).

5. The reusable offshore platform capable of autonomous control of its ascent and descent according to claim 1, wherein: A plurality of anti-collision supports (7) are also arranged on the surface of the second shell (102) along the circumference of the second shell (102), and the plurality of anti-collision supports (7) are also uniformly arranged on the surface of the second shell (102) and are located on the side of each sensor in the sensor integrated module (6).

6. A reusable offshore platform capable of autonomous control of its ascent and descent according to claim 1, characterized in that: The bottom side of the second shell (102) is provided with three bar anchors (2) through a first connecting piece, the tail end of the bar anchor (2) is provided with a positioning anchor (3) through a second connecting piece, and the positioning anchor (3) is in the shape of a quadrangular pyramid.

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