13 results about "Open water" patented technology

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.

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 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.

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 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 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 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 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 a lake surface cleaning device and a construction method, the lake surface cleaning device comprises a collecting assembly, dragging ropes and a flow guide assembly, the collecting assembly can float on the lake surface, the dragging ropes are arranged at the two ends of the collecting assembly, and the flow guide assembly is arranged at the bottom of the collecting assembly and arranged in the dragging direction of the dragging ropes. The device has the beneficial effects that through dragging of the ship body, continuous and large-area automatic collection of floating objects such as blue-green algae is achieved, the cleaning effect is guaranteed, dependence on manpower is reduced, the labor intensity is reduced, the cleaning efficiency is improved, the cleaning cost and potential safety hazards are reduced, secondary pollution to the environment is avoided, the structure is simple, operation is convenient and fast, and the device is suitable for popularization and application. The cleaning device can clean wide deep water areas in lakes, can also clean narrow diving areas, is suitable for operation of different open water areas, and achieves the purpose of all-directional cleaning.

The invention discloses a non-blind area active anti-drowning monitoring and rescue system and method based on machine vision, and belongs to the technical field of anti-drowning monitoring and rescue. Comprising two core entity devices including a visual monitoring module and an intelligent rescue ship module, and each module is composed of specific hardware and forms a hardware structure for cooperative work. The visual monitoring module is erected above a water area and is in wireless communication connection with the intelligent rescue ship module on the water surface through the HC-05 Bluetooth module, the visual module is an instruction sending end, the ship module is an instruction receiving end, and meanwhile, the ship module transmits real-time position information of the ship module back to the visual module; a sensing-decision-execution-feedback hardware communication closed loop is formed, so that all-weather drowning monitoring, state recognition and automatic rescue of open water areas in the field are realized, and the drowning prevention rescue effect is improved.

The utility model relates to a buoyancy knapsack suitable for water surface movement and water operation. The buoyancy knapsack comprises a bag body composed of foamed buoyancy material and air bags, the bag body is provided with a partition, and is closed through a waterproof zipper. The bottom of the bag body is filled with foamed buoyancy material to provide fixed buoyancy; the air bags at the upper part of the bag body provide additional buoyancy. The knapsack provides total buoyancy of no more than 10 kg, which is suitable for the buoyancy requirement of water surface movement. The knapsack is provided with detachable ropes, which can be fixed to the shoulders or waists of users, and the knapsack can be changed into a floating bag for use on open water surfaces or in open water areas after the ropes are detached, and has a water surface rescue function. In addition, the knapsack has the characteristics of storing personal articles, waterproofing and buoyancy support, and is suitable for use in water surface movement, fishery operation and swimming.

This invention discloses a floating launch and recovery system for waterborne objects. The floating launch device includes a launch platform and an air cannon. The launch platform floats on the water surface, and the air cannon is mounted on the launch platform, launching the target object into the water. The floating recovery device includes a recovery platform and a recovery bucket. The recovery platform floats on the water surface, and the recovery bucket is connected to the recovery platform. The recovery bucket is used to recover the target object launched into the water by the air cannon. This invention allows for launch and recovery experiments of target objects in open and semi-open water areas (such as reservoirs), reducing the cost of underwater retrieval of launched objects and improving experimental efficiency. It provides a new approach for experimental research on the problem of large-mass, large-scale, and high-speed launched objects entering the water.

The application discloses an open water hole depth measuring device and a using method thereof, and relates to the technical field of open bench blasting. The device comprises a measuring rope, a connecting ring, a counterweight iron ball, a hollow floating ball and a hollow connecting ring. The connecting ring is fixedly welded with the counterweight iron ball, and the hollow floating ball is integrally formed with the hollow connecting ring. One end of the measuring rope is connected to the hollow connecting ring, and the other end penetrates through the connecting ring. The application solves the problem that the water depth in a hole cannot be accurately determined and the interval charging construction is restricted in the prior art.