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19 results about "Saturation diving" patented technology

Saturation diving is a diving technique that allows divers to reduce the risk of decompression sickness ("the bends") when they work at great depths for long periods of time. Saturation divers typically breathe a helium–oxygen mixture to prevent nitrogen narcosis.

Saturated diving bell type trolley transfer device

The invention provides a saturated diving bell type trolley transfer device, and relates to the technical field of saturated diving, the saturated diving bell type trolley transfer device comprises a rack and a push-pull oil cylinder, the output end of the push-pull oil cylinder is connected with the rack, rollers are rotatably arranged at four corners of the outer side of the rack, and guide adjusting assemblies are arranged at four corners of the top of the rack; the guiding and adjusting assembly is used for guiding and adjusting concentricity and planeness of the diving bell during butt joint, the guiding and adjusting assembly comprises a base and a lifting block, and the lifting block is arranged on the upper portion in the base in a sliding mode; the guide columns are inserted into the positioning holes in the bottom of the diving bell, so that the diving bell is fixed, the push-pull oil cylinder pushes the rack to move and is stably transferred to the front of a saturated residential cabin or a transfer cabin, the concentricity and planeness of a butt joint port of the diving bell are adjusted, and a butt joint device is locked through a hoop; the butt joint precision of the diving bell and the saturated residential cabin or the transfer cabin is effectively improved, stable operation of the saturated diving bell along the fixed track is achieved, and the single-time operation efficiency is improved.
Owner:CHINA THREE GORGES TECH CO LTD +1

Saturated diving bell capturing device

The invention relates to the technical field of diving bell catching devices, and discloses a saturated diving bell catching device which comprises a steel pipe, the top of the steel pipe is fixedly connected with a fixing pipe, the top of the fixing pipe is fixedly connected with an annular pipe, the inner wall of the annular pipe is fixedly connected with a fixing frame, and the circumferential surface of the annular pipe is fixedly connected with a connecting plate. When the diving bell in the deep sea needs to be recycled, the diving bell is manually butted or mechanically connected to the top of the diving bell through a diver to be fixed, at the moment, the fixing pipe drives the flow dividing shell to move, the flow dividing shell discharges water at the top to the two sides of the diving bell, the water flow state is optimized, and the diving bell is recycled. The operation stability and safety are further improved, a guarantee is provided for accurate butt joint, recovery or operation of the diving bell, and the risks of structural deformation, sealing failure and even pressure bearing damage of the diving bell caused by local pressure overload are avoided.
Owner:CHINA THREE GORGES TECH CO LTD +5

Motorized saturated diving system

The invention discloses a motorized saturated diving system which comprises a residence cabin module, a diving bell module, a lifting module, a life support equipment module, a centralized operation control module and an air source module, the residence cabin module comprises a first saturated residence cabin, a second saturated residence cabin and a transition cabin, and the diving bell module comprises a diving bell body, an emergency air cylinder and an annular air bag. The lifting module comprises a bell winch, a fairlead winch, an umbilical cord winch, a fairlead ballast, a door-shaped lifting frame and a hydraulic device, the life support equipment module comprises a seawater heating device, an environmental control system outboard machine, a living water supply device and a power distribution cabinet, and the centralized operation control module comprises a living cabin console, a diving bell console and an electric control cabinet. The gas source module comprises a helium cylinder, an oxygen cylinder, a mixed gas cylinder, a compressed air cylinder, a liquid nitrogen Dewar and a liquid oxygen Dewar. By performing standardized configuration and organic linkage on each functional module, the adaptability and safety of the system under different operation depths are improved.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Domestic water supply system and supply method for deep-depth saturation diving habitat

PCT designated stageWO2026020521A1Domestic plumbingService pipe systemsWater useSaturation diving
The present invention relates to a domestic water supply system and supply method for a deep-depth saturation diving habitat, the domestic water supply system comprising a habitat requiring water consumption and a water supply pipeline for supplying water to the habitat, wherein the pipeline comprises a water pump set, an energy accumulator, a safety valve, check valves, a serpentine cooling pipe, and an induction heating coil. After flowing through the above components, a water flow flows into the habitat. A third check valve divides the water supply pipeline into two sections, and the internal pressure of the water supply pipeline downstream of the third check valve is always the same as the internal pressure of the habitat. The pressure of the water supply pipeline upstream of the third check valve is zero when the water pump set does not operate. When water is needed in the habitat, a water valve in the habitat is opened, the water pump set starts to operate, the internal pressure of the water supply pipeline downstream of the water pump set gradually increases until same exceeds the internal pressure of the water supply pipeline in communication with the habitat, the third check valve is opened, and the water flow flows through a heating section and is then inputted into the habitat for use.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

Saturated diving bell crown block transfer device

PendingCN121376806AMachine part testingUsing optical meansSaturation divingDrive motor
The invention provides a saturated diving bell crown block transfer device, and relates to the technical field of saturated diving, the saturated diving bell crown block transfer device comprises a rack and a bottom frame, the bottom frame is arranged below the rack, a lifting point assembly is arranged below the bottom frame, the lifting point assembly is used for lifting a diving bell, and a winch guide wheel base is arranged at the middle end of the top of the rack; the winch guide wheel bases are used for being connected with winch slings, shaft seats are arranged at the four corners of the top of the rack, and rolling shafts are rotationally connected into the two sets of shaft seats on the same side. When the diving bell dives, the diving bell is lifted through the lifting point assembly and is lifted to the horizontal fixed rail in cooperation with a winch, the rolling shaft is driven by the driving motor to rotate, and the rail wheels run along the horizontal fixed rail and stably run to the releasing position of the lifting frame, so that the subsequent diving operation is completed; the working height of a lifting and recycling system of the diving bell is effectively reduced, and the saturated diving bell can stably run along the horizontal fixed track and is accurate and controllable.
Owner:CHINA THREE GORGES TECH CO LTD +5

Underwater saturated diving shuttle cabin system

PendingCN121650839AUnderwater equipmentMarine engineeringSaturation diving
The invention discloses an underwater saturated diving shuttle cabin system, and belongs to the technical field of saturated diving, a steel rail is laid at the bottom of a deep water tunnel in advance, a wheel set mechanism is arranged below a diving bell, the wheel set mechanism can roll along the steel rail to drive the diving bell to move back and forth in the deep water tunnel, and a pulley is hung on the lower portion of a floating ball. One end of the umbilical cable is connected with an air distribution and supply system on the water surface, and the other end of the umbilical cable sequentially penetrates through the pulleys connected with the floating ball and then is connected into the diving bell. According to the underwater saturated diving shuttle cabin system, a traditional saturated diving bell is improved according to the characteristics of a deepwater tunnel, and the underwater saturated diving shuttle cabin system is creatively designed. The diving bell is fixed on the wheel set mechanism, the wheel set mechanism can carry the diving bell to move back and forth on the steel rail, the umbilical cable is connected to the air distribution and supply system on the water surface through the pulley below the floating ball, and the buoyancy of the floating ball can ensure that the whole umbilical cable is in a suspended state and is not scratched by the water bottom.
Owner:Shanghai Salvage Bureau of the Ministry of Transport

Edge computing compression transmission method and system for diving monitoring data

The invention discloses an edge computing compression transmission method and system for diving monitoring data, and relates to the field of data transmission, and the method comprises the steps: obtaining diving environment parameters; mapping the current pressure data, the first-order derivative and the second-order derivative to a three-dimensional state space; when the coordinate point of the three-dimensional state space is located in the target working condition area, outputting a current working condition ID; according to the current working condition ID, defining a pressure sensor, a temperature sensor and a gas partial pressure sensor as grid nodes in the physical correlation topological graph; calculating to obtain theoretical expected coordinates of each sensor node; acquiring actual measurement node coordinates of each sensor node, and mapping the actual measurement node coordinates to the grid nodes; calculating a deformation distance, and determining a grid deformation tensor; determining a characteristic frequency coefficient and a phase spectrum; and compressing and packaging the current working condition ID, the characteristic frequency coefficient and the phase spectrum into a data frame, and sending the data frame to a water surface monitoring master station. The safety of the saturated diving operation can be effectively guaranteed.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

A manned submersible and operation process specially used for inland river culvert operation

A kind of manned submersible and operation process special for inland culvert operation, the manned submersible includes interconnected diving cabin and driver cabin, the side of diving cabin is provided with side door, side door is connected with mother ship saturation diving living cabin, the stern of diving cabin is provided with stern door, the inside of diving cabin close to stern door is arranged with winch;Diving cabin inside is also sequentially arranged with diving cabin carbon dioxide absorption device, heating port, gas distribution disc and helium-oxygen telephone, and heating port, gas distribution disc and helium-oxygen telephone are connected with diver through diving umbilical cord;The outside of cabin room of manned submersible is symmetrically arranged with multiple groups of gas cylinder and a group of battery cabin;The top of driver cabin is provided with top cabin door, and driver cabin inside is sequentially arranged with driver cabin carbon dioxide absorption device, control console and helium-oxygen communication panel.The present application can carry out long time, light and heavy operation task in inland culvert.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

Multi-tissue parallel computing diving decompression sickness dynamic prediction and risk assessment system

PendingCN122266763AMedical simulationHealth-index calculationHuman bodyPressure.ambient
The application discloses a diving decompression sickness dynamic prediction and risk assessment system of multi-tissue parallel computation, relates to the fields of diving medicine, high-pressure medicine and human physiology modeling, and comprises a tissue unit planning module, a central blood circulation and coupling module and a model calculation and risk assessment module. The system divides a human body into a plurality of core physiological tissue units, and plans each tissue unit as a hybrid model composed of three sub-units of "fast-middle-slow". Then, the system simulates a human circulatory system by defining cardiac output, arterial blood inert gas partial pressure and dynamically distributing blood flow according to the tissue type, so as to construct a simulation model. Finally, according to the environmental pressure-time profile corresponding to a diving plan and the breathing gas composition, the simulation model is used to parallelly calculate the inert gas tension of all tissue units and sub-units, so as to be used for dynamic prediction and risk assessment of decompression sickness. The application provides a higher safety margin for saturation diving and repeated diving.
Owner:THE NAVAL MEDICAL UNIV OF PLA

A mobile saturation diving bell

The application discloses a kind of motorized saturation diving bells, diving bell includes diving bell shell, lifting point, guard frame, clock external equipment and clock internal equipment, clock external equipment includes multiple emergency gas cylinders and the air bag arranged around emergency gas cylinder, air bag is separated into upper air bag cavity and lower air bag cavity by separation cloth inside, the air inlet of upper air bag cavity is connected with emergency gas cylinder by first gas pipeline, the air inlet of lower air bag cavity is communicated with diving bell exhaust by second gas pipeline, first gas pipeline and second gas pipeline are respectively provided with first electromagnetic regulating valve and second electromagnetic regulating valve, when controller controls first electromagnetic regulating valve to open, upper air bag cavity is inflated, when controller controls second electromagnetic regulating valve to open, lower air bag cavity is inflated.The application solves the existing diving bell in hoisting stability, attitude control ability weak and the problem that exhaust is not effectively utilized, improves the operation reliability and safety of diving bell in complex environment at sea.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Underwater saturated diving shuttle cabin system and use method thereof

PendingCN121697818AUnderwater equipmentMarine engineeringSaturation diving
The invention discloses an underwater saturated diving shuttle cabin system, and belongs to the technical field of saturated diving, a steel rail is laid at the bottom of a deep water tunnel in advance, a wheel set mechanism is arranged below a diving bell, the wheel set mechanism can roll along the steel rail to drive the diving bell to move back and forth in the deep water tunnel, and a pulley is hung on the lower portion of a floating ball. One end of the umbilical cable is connected with an air distribution and supply system on the water surface, and the other end of the umbilical cable sequentially penetrates through the pulleys connected with the floating ball and then is connected into the diving bell. According to the underwater saturated diving shuttle cabin system, a traditional saturated diving bell is improved according to the characteristics of a deepwater tunnel, and the underwater saturated diving shuttle cabin system is creatively designed. The diving bell is fixed on the wheel set mechanism, the wheel set mechanism can carry the diving bell to move back and forth on the steel rail, the umbilical cable is connected to the air distribution and supply system on the water surface through the pulley below the floating ball, and the buoyancy of the floating ball can ensure that the whole umbilical cable is in a suspended state and is not scratched by the water bottom.
Owner:Shanghai Salvage Bureau of the Ministry of Transport

A mobile saturation diving system

The application discloses a kind of motorized saturated diving systems, including living cabin module, diving bell module, sling module, life support equipment module, centralized operation control module and gas source module, living cabin module includes No.1 saturated living cabin, No.2 saturated living cabin and transition cabin, diving bell module includes diving bell body, emergency gas cylinder and annular airbag, sling module includes bell winch, guide cable winch, umbilical winch, guide cable ballast, door type hanger and hydraulic device, life support equipment module includes seawater heating device, environmental control system cabin, life water supply device and power distribution cabinet, centralized operation control module includes living cabin console, diving bell console and electrical control cabinet, gas source module includes helium cylinder, oxygen cylinder, mixed gas cylinder, compressed air cylinder, liquid nitrogen dewar and liquid oxygen dewar.The adaptability and safety of the system under different operating depths are improved by standardizing the configuration and organic linkage of each functional module.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Manual braking device for umbilical cord winch of saturated diving system

The invention provides a manual braking device for an umbilical cord winch of a saturated diving system, and relates to the technical field of braking devices.The manual braking device comprises a first hoop, a second hoop, a support and a fixing seat, the right side of the first hoop is hinged to the right side of the second hoop, and a first hinge lug is arranged on the left side of the first hoop; a second hinge lug is arranged on the left side of the second hoop; a rotary disc is rotated to drive a first bevel gear to rotate and drive a second bevel gear to rotate, so that a threaded lead screw rotates, a nut block is driven to move, a hinge piece rotates and drives the lower end of a linkage arm to move, and based on fixation of a support and a fixed seat, the linkage arm rotates to drive a connecting arm at the upper end to move and a synchronous limiting arm to rotate; when a hydraulic system of the umbilical cord winch fails or is powered off, the hoops are manually tightened, the friction force between the hoops and a winding drum of the umbilical cord winch is increased, and the braking purpose is achieved.
Owner:CHINA THREE GORGES TECH CO LTD +1

Hydraulic power station for saturation diving with temperature control system

The application discloses a kind of saturated diving hydraulic power station of temperature control system configuration, and hydraulic power station is set in the container on deck, provides hydraulic power for the lifting device of diving bell of saturated diving system, and hydraulic power station includes oil tank, electric pump unit, hydraulic valve group and air cooler connected in sequence, air cooler includes fan and radiator, air flow of fan flows to electric pump unit after passing through radiator, air cooler is connected with bypass pipeline in parallel, oil temperature heater is arranged at the bottom of oil tank near the side of oil suction port, temperature sensor is arranged in oil tank, water tank is arranged around the lower outer side of oil tank, seawater stored in water tank can be heat exchanged with hydraulic oil of oil tank, and water tank includes water inlet and water outlet.The application integrates oil temperature heating, air cooling and seawater heat exchange functions, can realize dynamic switching control according to hydraulic oil temperature change, effectively improves the reliability and stability of hydraulic system in deep-sea high-strength operation environment.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

An environmental control system for saturation diving

This invention discloses an environmental control system for saturation diving, comprising a chiller / hot water unit and an in-cabin environmental control unit. The chiller / hot water unit is located outside the cabin, while the in-cabin environmental control unit is located in the living quarters, transition cabin, and lavatory. The chiller / hot water unit includes a cooling unit and a heating unit. The in-cabin environmental control unit includes a carbon dioxide absorption tank, a pressure-resistant fan tank, a cooling unit, a heating unit, and a processing unit, connected sequentially along the gas flow path. The outlet and inlet of the heat exchanger in the cooling unit are connected to the cold water return port and cold water outlet, respectively, via connecting plates. The outlet and inlet of the heat exchanger in the heating unit are connected to the hot water return port and hot water outlet, respectively, via connecting plates. The processing unit includes a tank body, a temperature regulating element surrounding the outer wall of the tank body, and an annular water tank. The outer surface of the temperature regulating element is in contact with the inner surface of the annular water tank. This invention improves the response speed and control accuracy of in-cabin temperature regulation, enabling dynamic monitoring and regulation of in-cabin gas temperature, humidity, and carbon dioxide concentration.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Hydraulic oil anti-fluctuation device of saturated diving system

PendingCN121162591AFluid-pressure actuator testingPump assembliesSaturation divingDamper
The invention provides a saturated diving system hydraulic oil anti-fluctuation device, and relates to the technical field of saturated diving, the saturated diving system hydraulic oil anti-fluctuation device comprises a box body and anti-fluctuation partition plates, an oil bin is arranged in the box body, the anti-fluctuation partition plates are arranged in the oil bin, the number of the anti-fluctuation partition plates is at least two, and a supporting rod is arranged in the middle of the interior of the oil bin. The supporting rod penetrates through the anti-fluctuation partition plate; a communicating opening is formed in the anti-fluctuation partition plate; special structures such as an anti-fluctuation partition plate, a reinforcing rib and a supporting rod are designed in the box body, hydraulic oil is restrained to flow according to a designed oil way communication port, and the influence of severe fluctuation is reduced, specifically, the oil level is stabilized, it is ensured that oil level monitoring data are reliable, and false alarm or system misoperation caused by false oil level signals is avoided; through optimal design of the size and the position of the channel of the anti-fluctuation partition plate, stable oil supply is guaranteed, and the device is compact in structure, has good universality and cost advantages and guarantees stability of a hydraulic system.
Owner:CHINA THREE GORGES TECH CO LTD +1

Helium speech processing method across deep acoustic feature fusion and dynamic phoneme error correction

ActiveCN122224202BFrequency spectrumSaturation diving
The application provides a helium speech processing method combining deep acoustic features and dynamic phoneme correction, and relates to the technical fields of artificial intelligence and intelligent speech signal processing. The method comprises the following steps: denoising, formant compensation and frequency domain transformation of helium speech to generate two-dimensional time-frequency features; combining depth and helium-oxygen concentration to construct an environment representation matrix, compensating distortion through He-NIS operators, He-DDCA attention, hybrid expert architecture and VB-Adapter, outputting text by combining CTC-AED loss and physical rule phoneme correction; generating mel spectrum based on a high-risk phoneme dictionary and wavelet transform reconstruction of the fundamental harmonic; outputting high-fidelity speech through an optimized HiFi-GAN vocoder, and realizing edge low-latency deployment through mixed precision quantization and streaming scheduling. The application has high recognition accuracy, good speech fidelity and low latency, and is suitable for real-time communication needs of deep-sea saturation diving.
Owner:SHANGHAI MARITIME UNIVERSITY

Highly-integrated fire-fighting spraying system for saturation chamber

ActiveCN223668538UFire rescueGas cylinderSaturation diving
The utility model discloses a highly integrated saturation cabin fire-fighting spraying system, which belongs to the technical field of saturation diving and comprises a high-pressure gas cylinder, a cylinder head valve and a saturation cabin, the cylinder head valve is arranged at the top of the high-pressure gas cylinder and connected with the saturation cabin through a pipeline, and a fire extinguishing nozzle is arranged at the tail end of the pipeline extending into the saturation cabin. The fire-fighting spraying system of the saturation chamber is high in integration level, can be realized by only one high-pressure gas cylinder and a connecting pipeline, has automatic and manual functions, effectively increases the safety, and is small in size and small in occupied space.
Owner:SHANGHAI SALVAGE BUREAU WUHU DIVING EQUIP PLANT

Five-main-arm composite cutter head for shield tunneling machine

ActiveCN116464466BTunnelsSaturation divingShield tunneling
The application discloses a five-main-arm composite cutter head for a shield tunneling machine and relates to the technical field of shield tunneling machines.The cutter head body is provided with an installation part connected with a cutter head shell.The surface of the cutter head body is provided with five main arms.The surface of each main arm is uniformly provided with normal-pressure cutters from the center to the edge.The outer edge of the main arm is provided with edge-pressure cutters.The cutter head body between adjacent main arms is provided with pressure cutters.The two sides of the main arm are alternately provided with normal-pressure scrapers and pressure scrapers.The normal-pressure cutters and the pressure cutters are simultaneously arranged on the cutter head, so that the distance between the cutters on the cutter head is smaller, the cutter track is more, the rock breaking efficiency of the cutter head is improved, and when the earth covering pressure of the shield tunneling machine is large, the operator does not need to replace the pressure cutters by saturation diving, but only needs to replace the normal-pressure cutters in the normal-pressure state, so that the construction risk of the cutter head of the shield tunneling machine is reduced, and the safety and the convenience of the construction operation are improved.
Owner:CHINA RAILWAY 14TH BUREAU GRP LARGE SHIELD ENG CO LTD +1