38 results about "Saturation diving" patented technology

The utility model discloses a small diving bell for a motorized saturated diving system, which belongs to the technical field of diving equipment and comprises a bell body and an outer frame, the top of the bell body is connected with the outer frame through a connecting flange, the outer frame is arranged around the outer side of the bell body, and a plurality of groups of helium oxygen bottles and oxygen bottles are arranged on the side surface of the outer frame. The oxygen bottle and the helium oxygen bottle are arranged on the outer frame and used by a diver in emergency, a steel cable joint is arranged in the middle of the top of the clock body, and the clock body is connected with a mother ship through a diving umbilical cord. The small diving bell can independently execute diving tasks underwater, meanwhile, the diving bell is provided with a power source and lighting and photographing equipment and is suitable for underwater operation and recording, a hot water circulation pipeline is arranged in the diving bell and connected with a diving suit to preserve heat for a diver, the diving comfort and safety are guaranteed, and the diving bell is more compact in structure and more convenient to use. Compared with the prior art, the overall dimension is obviously reduced, and maneuvering carrying and land transportation of the system are facilitated.

The invention discloses a motorized saturated diving bell, which comprises a diving bell shell, a lifting point, a protection frame, a device outside the diving bell and a device inside the diving bell, the device outside the diving bell comprises a plurality of emergency gas cylinders and an air bag arranged around the emergency gas cylinders, and the interior of the air bag is divided into an upper-layer air bag cavity and a lower-layer air bag cavity through a separation cloth; an air inlet of the upper-layer air bag cavity is connected with an emergency air bottle through a first air pipeline, an air inlet of the lower-layer air bag cavity is communicated with an exhaust port of the diving bell through a second air pipeline, and a first electromagnetic regulating valve and a second electromagnetic regulating valve are arranged on the first air pipeline and the second air pipeline respectively. When the controller controls the first electromagnetic regulating valve to be opened, the upper-layer air bag cavity is inflated, and when the controller controls the second electromagnetic regulating valve to be opened, the lower-layer air bag cavity is inflated. The problems that an existing diving bell is poor in hoisting stability and posture control capacity and exhaust is not effectively utilized are solved, and the operation reliability and safety of the diving bell in the complex marine environment are improved.

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.

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.

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.

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.

The invention relates to the field of welding facilities, in particular to ship saturated diving bell welding equipment which comprises a vertical seat, a vertical frame is fixedly mounted at the bottom of the vertical seat, two connecting shafts are symmetrically and rotationally mounted at the end of the vertical frame, reverse gears are coaxially embedded in the lower ends of the two connecting shafts, and the two reverse gears are meshed with each other; wherein the side face of one reverse gear is meshed with a toothed plate, a pushing part is arranged between the toothed plate and the vertical frame, display frames are embedded in the outer surfaces of the two connecting shafts, two positioning plates are obliquely and symmetrically installed on the opposite faces of the two display frames, a lifting part is arranged at the front end of the vertical seat, and the front end of the lifting part is connected with a shell. A center rod is elastically installed in the shell. The welding quality is improved, welding is facilitated, and meanwhile it is ensured that the welding gun and the like can normally move upwards to reset after welding.

The invention discloses a container type gas source module which comprises a helium module, an oxygen module, a mixed gas module and a compressed air module, each gas source module comprises a container frame structure and two gas cylinder containing lattice units, and the two gas cylinder containing lattice units are symmetrically arranged in the container frame structure; a gas cylinder set composed of a plurality of gas cylinders is arranged in each gas cylinder containing lattice unit, the gas cylinders are gathered to the main busbar through the branch busbar, and a first helium branch and a second helium branch are arranged on a gas discharging pipeline of the helium module. A first oxygen branch, a second oxygen branch and a third oxygen branch are arranged on a deflation pipeline of the oxygen module, the second helium branch and the first oxygen branch are gathered to an automatic gas distribution device to be mixed, and mixed gas is connected to a gas filling pipeline of the mixed gas module through a gas supercharging device. The system is compact in structure, clear in partition, capable of being deployed and managed in a unified mode and capable of meeting the requirement for centralized supply of various operation gases of the saturated diving system.

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.

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.

The present invention relates to the technical field of test devices, and discloses a performance debugging system for an external environmental control machine of a saturation diving device. According to the typical operating pressure conditions of a saturation diving pressure chamber, three groups of air-conditioning tests at different pressures and three groups of tests with helium-oxygen gas conditions are designed. By testing and verifying the performance of the external environmental control machine in aspects such as temperature and humidity control performance, gas distribution uniformity, and harmful gas removal under different pressure platforms and gas composition components, it is ensured that the performance of the environmental control unit of the saturation diving pressure chamber meets the design requirements, thereby guaranteeing the comfort and safety of divers inside the chamber.

The environmental control system comprises a cold and hot water unit and an environmental control cabin internal machine, the cold and hot water unit is arranged outside a cabin, the environmental control cabin internal machine is located in a living cabin, a transition cabin and a cabin washroom, and the cold and hot water unit comprises a refrigerating unit and a heating unit. The environmental control cabin inner machine comprises a carbon dioxide absorption tank, a pressure-resistant fan tank, a cooling unit, a heating unit and a processing unit which are sequentially connected along a gas flow path, and a water outlet and a water inlet of a heat exchanger of the cooling unit communicate with a cold water return port and a cold water outlet through connecting plates correspondingly. A water outlet and a water inlet of a heat exchanger of the heating unit are communicated with the hot water return port and the hot water outlet through connecting plates, the processing unit comprises a box body, a temperature adjusting element and an annular water tank, and the outer side surface of the temperature adjusting element makes contact with the inner side surface of the annular water tank. According to the invention, the response speed and the regulation and control precision of in-cabin temperature regulation are improved, and dynamic monitoring and regulation of in-cabin gas temperature and humidity and carbon dioxide concentration are realized.

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.

The invention discloses a hydraulic power station provided with a temperature control system and used for saturated diving, the hydraulic power station is arranged in a container on a deck, provides hydraulic power for a lifting device of a diving bell of a saturated diving system, and comprises an oil tank, an electric pump unit, a hydraulic valve group and an air cooler which are connected in sequence, the air cooler comprises a fan and a radiator, airflow of the fan flows to the electric pump unit after passing through the radiator, the air cooler is connected with a bypass pipeline in parallel, an oil temperature heater is arranged on the side, close to the oil suction port, of the bottom of the oil tank, a temperature sensor is arranged in the oil tank, and a water tank is arranged on the outer side of the lower portion of the oil tank in a surrounding mode. Seawater stored in the water tank can exchange heat with hydraulic oil in the oil tank, and the water tank comprises a water inlet and a water outlet. The hydraulic system integrates the functions of oil temperature heating, air cooling heat dissipation and seawater heat exchange, dynamic switching control can be achieved according to the temperature change of hydraulic oil, and the reliability and stability of the hydraulic system in the deep sea high-strength operation environment are effectively improved.

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.

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.

The application relates to a temperature control system and control method for a large-depth saturation diving and cruising submersible cabin, which is communicated with the cruising submersible cabin and comprises a heat exchange system led out from the cruising submersible cabin, wherein the heat exchange system comprises: a pipeline led out from the bottom of the cruising submersible cabin and connected to the top of the cruising submersible cabin; a water inlet valve and a filter installed on the pipeline; a water pump located on the output side of the filter, wherein the water pump is connected with an oil motor as a power source; a heat exchanger located on the output side of the water pump, wherein the heat exchanger is connected with a temperature control machine which simultaneously detects the water temperature in the cruising submersible cabin; a water outlet valve located on the output side of the heat exchanger, wherein the water outlet end of the water outlet valve is connected back to the cruising submersible cabin; the water pump positive load working condition and the water pump negative load working condition are alternately operated; a pressure control cabinet is connected to the cruising submersible cabin, and the pressure control cabinet is used for compensating the fluctuation caused by the flow difference of the water outlet and the water return of the cruising submersible cabin. The application solves the problem of the internal water temperature control of the large-depth saturation diving and cruising submersible cabin.

The invention discloses a manned submersible special for inland river culvert operation and an operation process. The manned submersible comprises a submersible chamber and a cockpit which are connected with each other, a side door is arranged on the side portion of the submersible chamber, the side door is connected with a mother ship saturated diving living cabin, a stern door is arranged below a stern of the submersible chamber, and a winch is arranged in the submersible chamber close to the stern door; a diving chamber carbon dioxide absorption device, a heat supply port, a gas distribution disc and a helium-oxygen telephone set are further sequentially arranged in the diving chamber, and the heat supply port, the gas distribution disc and the helium-oxygen telephone set are all connected with the diver through diving umbilical cords; a plurality of groups of gas cylinders and a group of battery cabins are symmetrically arranged on the outer side of a cabin of the manned submersible; a top cabin door is arranged at the top of the cockpit, and a cockpit carbon dioxide absorption device, a console and a helium-oxygen communication panel are sequentially arranged in the cockpit. According to the invention, long-time light and heavy operation tasks can be carried out in the inland river culvert.

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.

The present invention relates to the technical field of air conditioning systems, and discloses an air conditioning system for a saturation diving living chamber and a control method thereof. The air in the living chamber enters an external circulation type air conditioning system, is filtered, pressurized by a fan, dehumidified by condensation, heated and temperature-adjusted, and then sent back to realize the adjustment and treatment of the air in the living chamber. The air conditioning system further includes a chilled water unit and a hot water unit. The present invention obtains chilled water and hot medium water that meet the temperature conditions by controlling the chilled water unit and the hot water unit, and meets the cooling and heating load requirements under all working conditions of the living chamber by switching the operation of the chilled water and the hot medium water.

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.

The utility model discloses an equipment delivery barrel for conveying large tools in saturated diving, which belongs to the technical field of saturated diving and comprises a flange barrel body, an outer door assembly, a left clamp component, a right clamp component and a screwing device, one end of the flange barrel body is a flange plate, and the other end of the flange barrel body is provided with the outer door assembly. The outer door assembly is hooped on the flange barrel through the left hoop assembly and the right hoop assembly, and the screwing device controls the left hoop assembly and the right hoop assembly to be opened or closed. According to the equipment object passing barrel for conveying the large tools in the saturated submersible mode, standard flange connection is adopted, universality and replaceability are greatly improved, one end of the equipment object passing barrel is connected with a pressure cabin flange, the other end of the equipment object passing barrel is sealed through an outer door assembly, the outer door assembly is connected with a flange barrel body through a hoop, and exchange of large objects inside and outside a cabin can be achieved through related operation.

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.

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.

The present invention discloses a system and method for testing the partial pressure field balance of a saturation diving habitation chamber. The system includes a test chamber, an external air processing and delivery assembly, an in-cabin prototype assembly, a carbon dioxide release simulation assembly, an oxygen consumption simulation assembly, a sampling point calibration device, and a sampling device. Compressed oxygen from an oxygen cylinder is delivered to an air supply duct via an oxygen supply pipe and then flows into the test chamber via a distributed air supply device. A return air duct is connected to the distributed exhaust device to exhaust gas from the test chamber. The sampling point calibration device is used to calibrate the positions of various sampling points within the test chamber, and the sampling device is used to collect gas samples from the sampling points. By simulating gas changes under different operating conditions, the present invention accurately tests and analyzes the concentration distribution and partial pressure field balance of gas within the chamber, thereby improving the environmental control capabilities of the saturation diving habitation chamber.

The present application relates to the field of welding facilities, especially to a kind of ship saturation diving bell welding equipment, including stand, the bottom of the stand is fixedly installed with stand, the end of the stand is symmetrically rotatably installed with two connecting shafts, the lower end of two The connecting shafts are coaxially embedded with reverse gear, two The reverse gears are engaged, the side of one of the reverse gears is engaged with the toothed plate, the toothed plate is provided with a pusher between the stand, the outer surface of two The connecting shafts are embedded with display stand, the opposite surface of two The display stands are symmetrically installed with two positioning plates, the front end of the stand is provided with lifting piece, the front end of the lifting piece is connected with shell, the inside of the shell is elastically installed with center rod.The welding quality is improved, and welding is facilitated, and after welding, welding gun and the like can be normally moved up and reset.

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.

The present invention provides a diving bell main umbilical cable and a diving bell system for saturation diving. The diving bell main umbilical cable comprises a twisted cable core and an outer protective sheath. The twisted cable core comprises a signal line located at the center, a power supply line twisted around the periphery of the signal line, and multiple transport hoses, and multiple tension ropes filled between the power supply line, the signal line, the transport hoses, and the outer protective sheath. The power supply line comprises a conductor layer, a first shielding layer, a first protective layer, and a friction-reducing layer. The signal line comprises a twisted wire layer, a second shielding layer, and a second protective layer. The multiple transport hoses each comprise an inner protective layer and an outer protective layer. The present invention achieves high fatigue resistance and tensile strength by twisting the power supply line, the signal line, and the multiple transport hoses together, wrapping the outer protective sheath around the twisted cable core, and filling the twisted cable core with multiple tension ropes. Therefore, the present invention is not easily damaged, thereby reducing the probability of accidents occurring with the cable.

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.

The invention provides a diving bell main umbilical cable for saturated diving and a diving bell system.The diving bell main umbilical cable comprises a stranded cable core and an outer protective sleeve, and the stranded cable core comprises a signal line located in the center, a power power line stranded on the periphery of the signal line and a plurality of conveying hoses; the tension-bearing ropes are filled among the power lines, the signal lines, the conveying hoses and the outer protective sleeve, each power line comprises a wire layer, a first shielding layer, a first protective layer and an anti-attrition layer, each signal line comprises a stranded wire layer, a second shielding layer and a second protective layer, and each conveying hose is provided with an inner protective layer and an outer protective layer. According to the invention, the power line, the signal line and the plurality of conveying hoses are twisted together, the periphery of the twisted cable core is wrapped with the outer protective sleeve, and the twisted cable core is filled with the plurality of tension-bearing ropes, so that the anti-fatigue strength and the tensile strength of the cable are improved, and the cable is not easy to damage, and the service life of the cable is prolonged. Therefore, the probability of unforeseen circumstances of the cable can be reduced.