41 results about "Open water" patented technology

A modifiable swim short for use in a pool or an open water source includes a chassis that has a front waist section, a back waist section, and a crotch section. Descending below the front, back, and crotch sections may be a first leg portion and a second leg portion. The first leg portion may include a plurality of first segments that begin proximate a first leg opening and proceed upward toward the crotch section. The second leg portion may include a plurality of second segments that begin proximate a second leg opening and proceed upward toward crotch section. As a user removes segments from the first and second leg portions, the user becomes less dependent on the shorts and learns proper swimming technique.

An automated unmanned aerial vehicle (UAV) open water beachfront hazard recognition, warning, and rescue system and processes are disclosed. The automated UAV open water beachfront hazard recognition, warning, and rescue system includes a UAV that is configured as an autonomous patrol or scout system, an automated rip current and sea animal registration system, and a mechanical rescue system to pull out or support a person in water. The automated UAV open water beachfront hazard recognition, warning, and rescue system is configured to react quickly and reach targets fast because the UAV flies in the air and takes a direct, obstruction-free path to the target.

The invention discloses an energy-saving track generation method for an under-actuated AUV (autonomous underwater vehicle), and belongs to the technical field of autonomous underwater vehicles. The invention designs an AUV (Autonomous Underwater Vehicle) energy consumption optimal trajectory generator based on a direct collocation method aiming at the problem of three-dimensional energy-saving trajectory generation of an AUV under multiple constraints such as dynamic constraints. The method comprises the following steps of: firstly, performing complete analysis on an energy consumption generation mechanism of an AUV (Autonomous Underwater Vehicle) in executing a multi-path point tracking task according to related theories in combination with data obtained by a propeller open water experiment and CFD (Computational Fluid Dynamics) simulation; secondly, establishing a brand-new energy evaluation function, bringing the influence of time and attitude angles on energy consumption in the navigation process of the under-actuated AUV into the evaluation function, finally, adding AUV dynamic constraints to avoid the situation that a generated track cannot be tracked due to sharp corners or inflection points, and combining boundary constraints and path constraints of a system to obtain the energy consumption of the under-actuated AUV. An executable optimal energy trajectory is generated through offline trajectory planning based on a direct collocation method. The effectiveness and superiority of the method are verified through simulation experiments.

The invention belongs to the technical field of swimming pools, and particularly discloses a novel open water area sightseeing swimming pool which comprises a pool body, lifting assemblies are arranged on the two sides of the pool body, an air bag is arranged at the bottom of the pool body, cleaning transmission assemblies are arranged at the four corners of the pool body, and a buoyancy rest platform is arranged on the inner edge of the pool body. The buoyancy rest platform is arranged around the inner wall of the pool body and moves up and down along the pool body, communicating pipes are arranged at the four corners of the buoyancy rest platform, one ends of the communicating pipes penetrate through the upper wall of the buoyancy rest platform, the other ends of the communicating pipes are limited to the lower portion of the outer wall of the pool body through fixing plates, and each communicating pipe is provided with a water inlet and outlet filtering assembly; and a cleaning reciprocating assembly is arranged on the buoyancy rest platform and the cleaning transmission assembly. According to the principle of communicating vessels, water in the pool body is automatically replaced, the inner wall of the pool body is automatically brushed in the water replacing process, and it is guaranteed that the water quality can meet the requirement.

Arrangement for the water treatment of open waters, comprising: a floating platform (2), a buoyancy nozzle rod (3, 3') suspended from the platform (2), which defines a longitudinal axis (L) and has at least one buoyancy nozzle (4) via which a buoyancy agent can be introduced into areas of the open water lying below the water surface, so that foreign substances, such as plastic particles, are driven from the areas lying below the water surface to the surface of the open water, and a collecting arrangement (5) with which the foreign substances can be collected from the surface of the open water, characterized in that the lift nozzle rod assembly (3, 3') comprises at least two rod elements (6) which are connected to one another via an adapter element (7), wherein the adapter element (7) has two connections (30) for connecting to one of the rod elements (6) in each case.

The invention relates to a towing test device for a high-speed ship in an open water area, and belongs to the technical field of ship model tests. A specific frame connecting structure is adopted, and the double-channel boat high-speed towing test ship meeting the test requirement of an open water area is constructed; by arranging the double-channel boat provided with the anti-swing fin and the anti-swing water tank, stable counter torque of the test device is established, and it is ensured that sailing of the high-speed boat in the towing test is stable; and meanwhile, the wave absorbing knife-shaped plate device is arranged in a targeted manner, so that the problem that the test data and result of the model are influenced by waves generated by the channel boat is solved.

The invention provides an open water area multi-layer antifouling curtain arrangement method, and belongs to the technical field of dredging engineering environmental protection, and the method comprises the following steps: S10, arranging a single-layer light antifouling curtain on the outer side of a coastal construction area of land area equipment; s20, a double-layer heavy antifouling curtain is arranged on the periphery of the construction area of the cutter suction dredger; s30, a secondary sedimentation tank, an overflow dam and a drainage box culvert are arranged in the hydraulic reclamation area; s40, a plurality of barrages are arranged on the drainage channel to slow down the flow speed; s50, three layers of heavy antifouling curtains are arranged at the tail water estuary to serve as the last defense line; the arrangement method of the multi-layer anti-fouling curtain in the open water area further comprises an anchoring installation method of the anti-fouling curtain. The anti-fouling curtain installation method is optimized, the stability of the curtain in the open sea area is improved, meanwhile, the anti-fouling curtain installation method is flexibly combined, the construction suspended matter concentration of the open sea area is reduced to the maximum extent, and water quality pollution to the peripheral ecological habitat and the surrounding sea area is isolated as much as possible.

The application discloses a positive buoyancy profile float based on a wave energy power generation device and belongs to the technical field of marine observation equipment. The positive buoyancy profile float comprises a flow guide cover, a main sealed cabin, a passive variable buoyancy sealed cabin and an immersed tail cabin, and is completely immersed to present positive buoyancy. The flow guide cover is a streamlined hollow shell body, integrates a communication module and a temperature-salinity-depth sensor, and is connected with the main sealed cabin through a through-cabin piece; the main sealed cabin is divided into a wave power generation cabin and a control cabin by a cabin plate with holes, and is uniformly and stably provided with fin plates outside; the passive variable buoyancy sealed cabin is internally provided with a piston, a compression spring and a limiting block, and the piston adjusts the buoyancy according to water depth pressure; the immersed tail cabin is provided with water inlet holes, and is internally provided with a corrosion-resistant open water motor and an asymmetric double-blade propeller, and realizes vector propulsion through periodical variable speed. When working, the water surface generates electricity through wave heaving and stores energy, when diving, the motor drives the propeller and the piston is compressed to reduce energy consumption, when rising, the motor is stopped and the piston releases the buoyancy, and data is collected throughout the whole process. The application is self-provided with wave energy, has simple structure and high diving efficiency, and is suitable for long-term observation of marine profile data.

The invention discloses a positive buoyancy profile buoy based on a wave energy power generation device, and belongs to the technical field of ocean observation equipment. Comprising a flow guide cover, a main sealing cabin, a passive variable buoyancy sealing cabin and a soaking tail cabin, and positive buoyancy is achieved after complete soaking. The flow guide cover is a streamline hollow shell, integrates a communication module and a temperature-salinity-depth sensor, and is connected with the main sealed cabin through a cabin penetrating piece; the main sealed cabin is divided into a wave power generation cabin and a control cabin by a perforated cabin dividing plate, and stable fin plates are uniformly distributed outside the main sealed cabin; a piston, a compression spring and a limiting block are arranged in the passive variable buoyancy sealed cabin, and the piston adjusts buoyancy according to water depth pressure; a water inlet hole is formed in the immersed tail cabin, a corrosion-resistant open water motor and an asymmetric double-blade paddle are arranged in the immersed tail cabin, and vector propulsion is achieved through periodic speed change. During working, the water surface generates electricity and stores energy by means of wave heaving, the motor drives the blades and the piston is compressed to reduce energy consumption during diving, the motor stops and the piston releases buoyancy during rising, and data are collected in the whole process. The device is self-sufficient by wave energy, simple in structure, efficient in ascending and diving and suitable for long-term observation of ocean profile data.

A modifiable swim short for use in a pool or an open water source includes a chassis that has a front waist section, a back waist section, and a crotch section. Descending below the front, back, and crotch sections may be a first leg portion and a second leg portion. The first leg portion may include a plurality of first segments that begin proximate a first leg opening and proceed upward toward the crotch section. The second leg portion may include a plurality of second segments that begin proximate a second leg opening and proceed upward toward crotch section. As a user removes segments from the first and second leg portions, the user becomes less dependent on the shorts and learns proper swimming technique.

The invention discloses an unmanned boat-net cage locking device, and relates to the technical field of net cage culture, the unmanned boat-net cage locking device comprises a net cage, an unmanned boat device and a base station, the unmanned boat device comprises a double-body unmanned boat, the upper end of the double-body unmanned boat is provided with a rotating groove, the rotating groove is internally provided with a rotating table, the upper end of the rotating table is rotatably provided with a suspension arm, and the suspension arm is connected with the base station. The front end of the suspension arm is provided with an extendable moving seat, the moving seat is provided with a water quality detection mechanism, and the upper end of the rotary table is provided with a feed feeding mechanism connected with the suspension arm. Through integration of an autonomous sensor, a depth-adjustable water quality detection pod and a suspension arm type feeding mechanism, multi-point three-dimensional water quality detection and fixed-point feed feeding can be realized for a plurality of traditional net cages in an open water area by virtue of a laser radar point cloud precise positioning technology; the stability and high efficiency of operation inside and outside the net cage are guaranteed through the lifting arm depth control and pose calibration function, and the aquaculture management efficiency is greatly improved.

A static box for collecting gas on the water surface of an open water body comprises a collecting box, a floating plate, a rotating ring, a monitoring device and a pipeline, the collecting box comprises a box body and a cover plate, a connecting plate is connected with an electric lifting rod, the other end of the connecting plate is fixed to the box body, a storage battery is arranged below the electric lifting rod, and four side faces are provided with buckles. The floating plates are fixed to the two ends of the supporting rods which pass through the buckles. The rotating ring is arranged on the box body, and an inner ring of the rotating ring is connected with the box body through a connecting rod; the monitoring device comprises a camera, a display screen and a flow velocity measuring instrument; the camera is arranged in the center of the connecting plate, and the flow velocity measuring instrument is arranged on the inner wall of the box body. The rotating ring not only can ensure that the water surface around the collecting box is clean, but also has certain weight, and forms balance with the floating plate to ensure that the collecting box is stable; a pipeline is arranged for sampling, so that the detection result is prevented from being influenced by opening the collection box for multiple times.

A safety system for swimmers including visually impaired and elderly swimmers comprises (a) a safety device designed to rest comfortably on the swimmer's head, the safety device comprised of electronic components including a camera that scans the bottom of the pool / open water, GPS sensor, at least one alerting device to provide real-time feedback to the swimmer, CPU, memory, energy source and a communication module; (b) data aggregation and control module for aggregating data received from the camera in real time, (c) an Al model for analyzing the data in real time and providing alerts to the swimmer based on the prediction, and (d) an Al model for analyzing the data in real time and providing a personal trainer, whereby the camera capturing video in real time, and said safety device alerting the swimmer based on the camera output in real time in swimming pools / open water and navigating the swimmer according to the GPS sensor in open water.

A mobile underwater layered filling construction indoor simulation intelligent test system includes a control system and a measurement system. By integrating multiple specialized subsystems, it can fully simulate underwater mobile filling construction methods in open waters. This mobile underwater layered filling construction indoor simulation intelligent test system can adjust the construction environment's impacts, such as wind, waves, currents, and water depth, as well as key construction parameters such as the filling device's movement speed, distance from the bottom, slurry flow rate, slurry concentration, and sediment type. This system implements multi-layer, repetitive mobile construction simulation technology, providing an effective means for in-depth research on high-precision layered filling technology and improving construction efficiency and management quality.

The application relates to the field of underwater escape training, and discloses an underwater escape training simulator, which effectively solves the problem that the submarine may leak water and underwater escape training is needed when the submarine leaks water, and the underwater escape training simulator comprises a top plate, a lifting hook is arranged at the top end of the top plate, an upper connecting rod is arranged at the bottom end of the top plate, an upper frame is arranged at the bottom end of the upper connecting rod, a lower connecting rod is arranged at the bottom end of the upper frame, a lower frame is arranged at the bottom end of the lower connecting rod, a training simulation assembly is arranged in the lower frame, a driving assembly is arranged in the upper frame, the training simulation assembly comprises a submarine simulation cabin arranged in the lower frame, water can enter the submarine simulation cabin from different directions by opening water inlet valves in different directions, seawater enters the submarine from different directions when the submarine is damaged, and the training personnel need to escape from the water surface in the water inlet valve opening environment, so that the training personnel can be conveniently trained.

The invention discloses a laboratory simulation test platform for a deep-sea mining vehicle. The laboratory simulation test platform comprises a water body area, an adjustable terrain simulation unit, an underwater current generation unit, a movable hoisting and transferring unit, a positioning unit, a multi-dimensional monitoring unit, an underwater emergency rescue unit and a central control unit, the water body area comprises an outdoor water area and an indoor water area; the adjustable terrain simulation unit is arranged in the open-air water area and is used for dynamically simulating submarine topographic features; the water bottom current generation unit is configured to generate a controllable ocean current environment in the water body area; the movable hoisting and transferring unit is arranged above the water body area in a spanning manner; the positioning unit is used for tracking mining vehicle position information in real time; the underwater emergency rescue unit is configured to perform a non-destructive recovery operation on the faulty mining vehicle. The real seabed ocean current environment is simulated, the mining vehicle full-working-condition terrain adaptability and anti-flow stability linkage test is achieved in a laboratory, the environment simulation authenticity is improved, and the ocean field test failure risk caused by environment differences is reduced.

The present invention relates to an auxiliary facility and method for recovering fish resources in an open water intake channel, comprising: an inlet of an attracting flow channel arranged on a side wall of one side of the open water intake channel, a slope arranged inside the attracting flow channel, the lower end of the slope being inside the open water intake channel, and the upper end of the slope being outside the open water intake channel; an inducing water flow flowing into the attracting flow channel is arranged at the upper end of the slope; the outlet of the attracting flow channel is connected to a steady flow water area, and a releasing device is arranged in the steady flow water area. The present invention guides a large number of fish that mistakenly enter the open water intake channel out of the open channel by induction, which protects the fish and prevents the open water intake channel from being blocked due to the inhalation of a large number of fish, causing a shutdown accident of the power station, thereby avoiding huge economic losses, and more importantly, ensuring the safe operation of the power plant.

This invention belongs to the field of intelligent collision avoidance and early warning technology for ships, specifically relating to a method and system for collision avoidance and early warning in open sea areas. The method includes the following steps in sequence: multi-source navigation data acquisition and analysis, intelligent filtering of open water conditions, real-time calculation of collision risk parameters, collision risk early warning triggering, automatic recording of close-range navigation events, and ship-shore synchronization of early warning and recorded information. The main hardware used in the system includes an AIS signal controller, marine ARPA radar, GPS equipment, gyrocompass, serial port server, switch, collision avoidance tablet computer, captain's cabin computer, ship-side communication host, and shore-side platform. This invention aims to solve the problems of "alarm fatigue" and safety risks caused by numerous invalid alarms and poor scene adaptability in traditional collision avoidance early warning systems during navigation in open sea areas by integrating intelligent scene filtering, accurate risk calculation, and ship-shore collaborative management into a system and method, thereby achieving efficient and reliable automatic collision early warning.

The invention discloses an efficient energy-saving combined drainage device and method for closing a tailings pond, and belongs to the technical field of mine tailings. The high-pressure water gun gully system comprises a drainage ditch, a drainage well and a sludge discharge pipeline, one end of the drainage ditch communicates with the drainage well, the other end of the drainage ditch is connected with an open water area, and the middle section of the drainage ditch communicates with an upstream deposition section of the open water area through the sludge discharge pipeline; the fishbone-shaped matts drainage structure comprises main drainage ditches and secondary drainage ditches, and the main drainage ditches and the secondary drainage ditches are arranged in a fishbone matts shape; the light well point dewatering drainage system comprises a water collecting main pipe and dewatering well pipes, and the water collecting main pipe is arranged in the arrangement direction of the dewatering well pipes. The problems that in an existing tailing pond closing project, the beach face bearing capacity is insufficient, the regional draining consolidation effect is poor, and a deep water-containing area is difficult to treat are solved. The beach face bearing capacity of the tailings pond is improved, the construction continuity is ensured, and the construction efficiency is improved.

The invention discloses a phase speed regulation multi-mode remote detection underwater vehicle with bow fins, and relates to the technical field of underwater vehicles, and the system comprises a boat body composed of a bow open water cabin, a middle pressure-resistant cabin and a stern open water cabin; the movable battery pack is arranged in the middle pressure-resistant cabin and is used for adjusting the gravity center of the aircraft and generating a longitudinal tilting moment; the phase speed regulation vector thruster part is arranged in a stern open water cabin and used for providing propulsive force and controlling the course and the posture; the fixed bow fin is fixedly installed on the outer surface of the boat body, located in front of the bow or the gravity center of the aircraft and used for reducing the course and trim attitude static stability margin of the aircraft. The non-driven passive lodging antenna is mounted in a stern open water cabin, is used for keeping upright in a water surface or shallow water state to complete communication, and is passively lodged into a boat body in an underwater state; the method has the advantages that the task adaptability is improved, the energy consumption is reduced, the dynamic response capability is enhanced, and the communication resistance is reduced, so that the endurance mileage and the energy efficiency are improved.

The invention relates to the technical field of flow reduction and wave dissipation, and discloses a floating through type wave dissipation rectifying device and a wave dissipation method.The floating through type wave dissipation rectifying device comprises a floating box unit, a limiting frame anchored and fixed to an embankment or a seabed is arranged above the floating box unit, the floating box unit comprises at least two floating boxes, the top of each floating box is connected with the limiting frame through a plurality of connecting rings, and the connecting rings are connected with the limiting frame. And a plurality of through channels which are distributed in parallel are arranged on the side surface of each buoyancy tank. By means of the unique dumbbell-shaped cavity structure and flow guide slope design, wave energy is effectively reduced in an open sea area, the trapezoid buoyancy tanks are matched with the elastic mooring system to form a self-adaptive mooring stabilizing mechanism, and the continuous and reliable operation capacity of cultivation facilities outside the bay is maintained under the complex sea condition.

The application discloses a seawater physical and chemical detection device and a sampling device, which comprises a seawater sampling device and a seawater detection device; the seawater sampling device comprises a main rope, a counterweight, a float and two or more sampling tubes; each sampling tube is connected with the main rope by an upper float rope and a lower diving rope, so that the upper float rope and the lower diving rope drive the sampler to float or dive; the sampling tube is provided with a water inlet device, the water inlet device is connected with the upper float rope, and the water inlet device is triggered to open water inlet by the upper float rope; the application can avoid the entanglement of the sampling tube and the main rope; when the main rope is pulled upwards, the water inlet device can be triggered to open water inlet by the upper float rope, so that the water inlet can be automatically controlled when the sampling tube reaches a predetermined depth, the water inlet control structure is greatly simplified, and the water inlet control stability is improved.

The invention discloses an array breakwater and a design and test method thereof, and the design method comprises the steps: S100, setting a planar open water area, the depth of which is a constant finite value, arranging an array breakwater in the open water area, and building a first energy band diagram, a second energy band diagram and a third energy band diagram for describing the propagation characteristics of water waves in the array breakwater; s200, obtaining a corrected fourth energy band diagram by considering water wave characteristics, determining a target wave absorption period, and marking the target wave absorption period on the fourth energy band diagram; and S300, based on the fourth energy band diagram, single structure parameters corresponding to the upper limit and the lower limit of the target wave absorbing period are obtained, N single structures with the structure parameters are arranged in an array mode according to the rule given in the S200 in the wave direction, and the array type breakwater is formed. According to the method, the corresponding matching relation between the resonance frequency of each type of wave and each structural characteristic parameter of the array type breakwater is accurately given by drawing the energy band diagram, and each design parameter value of the array type breakwater can be quickly obtained.

The invention relates to the technical field of sludge removal, and particularly provides a sludge removal method and system for an open-type water reservoir, and the method comprises the steps: S1, collecting an underwater acoustic signal through an acoustic collection assembly installed on dredging equipment in a dredging process; s2, acoustic features and background noise features related to gas release are extracted according to the underwater acoustic signals; s3, calculating the gas release activeness according to the acoustic characteristics related to gas release and the background noise characteristics; s4, adjusting operation parameters of the dredging equipment according to the gas release activeness; according to the method, the airlock phenomenon caused by the fact that a large amount of gas flows into the pump body can be effectively avoided.

The fishing net comprises a fishing net used for fishing, and further comprises a net drawing rope, an inflation hose and an inflation and exhaust pipe, one end of the net drawing rope is fixedly connected to the inflation hose, the other end of the net drawing rope is vertically and downwards inserted along meshes in the fishing net in any path, the inflation hose is arranged along the edge of the fishing net, and the inflation hose is connected with the inflation and exhaust pipe. The inflation hose is provided with a plurality of fasteners and constraint conduits arranged between the adjacent fasteners, the constraint conduits are movably arranged in the inflation hose, and the inflation and exhaust pipe is arranged on the inflation hose and located between the adjacent fasteners. The size of the fishing area is adjusted, the adjusting range is large, an operator can finish accurate switching of different fishing areas within a short time by controlling the contraction length of the inflation hose, the adaptability of the fishing operation scene is remarkably improved, and the method can efficiently deal with gathering fish schools in a near-shore water area, dispersing fish schools in an open water area and the like.

The sampling inspection equipment comprises a sampling box, a plugging device, a supporting rod, a balancing weight and a pull rope, a water inlet is formed in the lower end face of the sampling box, the plugging device is arranged in the sampling box, the plugging device is used for closing or opening the water inlet, and the supporting rod is arranged in the sampling box. The upper end of the supporting rod is connected with the middle of the lower side face of the sampling box, the lower end of the supporting rod is connected with the middle of the upper side face of the balancing weight, the distance between the lower side face of the balancing weight and the water inlet is 50 cm, and one end of the pull rope is fixedly connected with the middle of the upper end face of the sampling box. Due to the adoption of the technical scheme, the sampling inspection equipment for collecting the surface water is more convenient to sample water at the position of a sampling point 0.5 m above the water bottom by using the sampling inspection equipment for collecting the surface water disclosed by the utility model.

The invention provides a seawater taking device. The seawater taking device comprises a buffer well, a siphon water taking pipeline, a submersible pump or a submerged pump, a pump-out pipeline system and a buffer well liquid level monitor, two ends of the siphon water taking pipeline are respectively connected with the open water area and the buffer well, and the highest point is connected with the vacuum system; the submersible pump or the submerged pump is arranged in the buffer well; the buffer well liquid level monitor detects the water level of the buffer well and controls the submersible pump or the submerged pump to stop pumping water when the water level of the buffer well is lower than the lower limit of the water level of the water seal of the siphon water taking pipeline at the end of the buffer well, so that the liquid level in the buffer well can be kept, and it can be guaranteed that the water seal of the siphon water taking pipeline at the end of the buffer well is formed. For a high-tidal-range area, the problem of safe water taking of a small-flow water taking pump is solved, disturbance of seawater power to the pump, cables and pipelines is reduced, the power effect of tide on equipment is reduced, and the service life of the water taking pump, the cables and the pipelines can be prolonged.

The invention provides a ship path planning method and device for an open water area and electronic equipment, and belongs to the technical field of artificial intelligence, and the method comprises the steps: carrying out the rasterization of an image of the open water area, and obtaining a navigation space model; calculating the pheromone distribution and potential field difference value of each path point based on the first initial parameter of the improved Q learning algorithm; calculating a first Q value based on each path point pheromone distribution, and calculating a second Q value based on the potential field difference value; calculating an initial Q value; exploring the next action of the intelligent agent by adopting a preset exploration strategy; calculating a reward value of the next action by utilizing a preset reward function, and updating the Q table; and updating the current position of the intelligent agent according to the reward value, judging whether a termination condition is met or not, and if the termination condition is met, obtaining an optimal path according to grids through which the intelligent agent passes. Based on the improved Q learning algorithm, safe and economical path planning from the starting point to the ending point in the open water area environment can be carried out, and autonomous safe navigation of the ship is achieved.

The invention provides a deicing floating device and a control system. A rectangular through cavity is formed in a hull body, and the rectangular through cavity is arranged close to the stern of the hull body; the first hull fixing assembly is arranged on the bow of the hull body, and the second hull fixing assembly is arranged at the tail end of the stern of the hull body. The ship body driving mechanism is arranged at the tail end of the ship body, the ship body driving mechanism can reciprocate up and down relative to the ship body, the underwater depth can be conveniently adjusted, and the ship body driving mechanism is located between the second ship body fixing assembly and the rectangular through cavity; the frame body fixing frame is detachably arranged on the ship body, and the frame body fixing frame is located above the rectangular through cavity; one end of the flow pushing mechanism is arranged on the frame fixing frame, the other end of the flow pushing mechanism extends into the rectangular through cavity, the flow pushing mechanism can reciprocate up and down relative to the ship body, water entering and exiting and transportation are facilitated, and meanwhile the underwater working depth is adjusted. According to the deicing floating device and the control system provided by the invention, the problems that the existing deicing equipment is not suitable for deicing on an open water surface and has a single function are solved.

The invention provides an open water area ship radiation sound field reconstruction method based on a ship pool environment, and the method comprises the steps: constructing a double-layer envelope surface sound pressure measurement array in a ship pool, and building a ship radiation and pool wall reflection sound field model; establishing a sound field analysis model for inward and outward radiation of a semi-free space cylindrical surface, and constructing a semi-space double-cylindrical surface sound pressure-sound pressure transfer matrix; according to the amplitude and phase of the double envelope surface measurement sound pressure, ship radiation and reflection sound in the ship pool is separated, and ship radiation sound field reconstruction is carried out based on the ship radiation sound in the ship pool and based on the actual sea area Green function, so that forecasting of the ship radiation sound field in the actual open water area is realized. According to the method, the radiation sound field of the ship in the actual open water area can be quickly and accurately forecasted, and the problems of high cost and long period caused by dependence on expensive marine tests or long-period numerical simulation in a traditional method are solved.