391 results about "Submarine" patented technology

The invention provides a soil body-structure interaction boundary damage quantitative testing device and method, and relates to the technical field of geotechnical engineering test.The soil body-structure interaction boundary damage quantitative testing device comprises a stress conduction boundary shear strength and rigidity combined testing structure and a testing system integrating a shaft confining pressure-temperature collaborative loading system and a monitoring collection and process control system; through an improved slurry sample preparation method, tight connection and constant contact area between the hollow columnar soil sample and the friction pile body are ensured, and the test sealing performance is enhanced through the elastic sealing design; the real-time measurement of the rigidity of different positions in the whole shearing process is realized by virtue of the excitation damage detection element capable of synchronously moving; according to the method, the constitutive model of the marine rock-soil stress conduction boundary domain is perfected, a reliable experimental basis is provided for foundation design of deep-sea engineering such as submarine pipelines and anchoring structures, and the method has important theoretical value and engineering significance for improving design scientificity and safety of deep-sea infrastructures and preventing and controlling submarine geological disasters.

The invention discloses an offshore wind power plant regular layout optimization method considering submarine topography and turbulence intensity, and the method comprises the steps: carrying out the grid discretization of a target region, and defining a layout rotation angle; a mixed integer linear fractional programming model with the minimum leveling cost per kilowatt-hour as the target is constructed, a wake flow model based on an axisymmetric cosine function and a turbulence model based on an axisymmetric double-Gaussian function are comprehensively integrated, and piecewise linearization is conducted on a turbulence nonlinear term; the method comprises the following steps: pre-defining a layout mode and regular layout constraints, and matching with engineering constraints such as fan number, power and safety distance; and a bounded Dinkelbach algorithm is adopted to carry out iterative solution on the sub-problems decomposed according to angles, and a global optimal layout is obtained. According to the method, wake flow loss, turbulence fatigue and terrain-related cost can be effectively and synergistically optimized, and an economical and efficient layout scheme is provided for offshore wind plant planning.

The invention relates to the technical field of underwater detection, and discloses a seabed sonar image feature enhancement processing method and a storage medium. The method comprises the following steps: acquiring multi-source seabed sonar image data, and performing space-time alignment and signal denoising processing to obtain a standardized sonar data sequence; performing multi-scale feature extraction on the standardized sequence to generate a feature map containing texture, shape and strength information; inputting the characteristic spectrum into a space-time attention network for characteristic weight distribution and fusion, and outputting enhanced characteristic representation; based on the enhanced features, a deep learning model is adopted to carry out resolution improvement and detail recovery, and a high-resolution sonar image is generated; and performing region division on the high-resolution image through an adaptive threshold segmentation algorithm, verifying feature consistency in combination with historical data, and finally completing feature enhancement processing. According to the method, the definition, the detail expressive force and the feature separability of the submarine sonar image are improved, and accurate recognition and analysis of submarine topography and targets are effectively supported.

The invention belongs to the field of monitoring and early warning of submarine optical cables, and particularly relates to a submarine optical cable monitoring and early warning method and system based on data analysis. The method comprises the following steps: obtaining state feature vectors by using a historical signal of each sensing unit and a monitoring signal of an adjacent sensing unit, and initializing each state feature vector into an atomic cluster; the fusion distance between any two atomic clusters is calculated, the combination priority of the two atomic clusters is determined based on the fusion distance and the topological proximity factor, the two atomic clusters with the highest priority are combined repeatedly, and combination is stopped when set conditions are met; and in any new cluster formed after the merging is terminated, if the static anomaly score of the cluster and the dynamic curvature of the mass center motion trail of the cluster exceed respective threshold values, judging that the new cluster is an abnormal event and generating an early warning. According to the invention, early warning can be carried out on physical disturbance generated by various external factors which may cause interruption of the submarine optical cable more accurately and reliably.

The invention provides a power supply and distribution control method for an offshore wind-solar complementary direct supply type seabed data center, and the method comprises the steps: collecting wind power and photovoltaic electric energy to an ashore substation through a same AC power transmission channel, converting the wind power and photovoltaic electric energy into a first AC voltage, and generating a DC bus voltage; the direct-current bus directly supplies information processing load, and the first alternating-current voltage drives the cooling system; configuring a multi-time-scale energy storage system comprising a super capacitor, a flow battery and a standby power supply, and stabilizing second-level, minute-to-hour-level and longer-period power fluctuations respectively; based on wind and light output prediction and the energy storage charge state, load and charge and discharge are dispatched cooperatively. According to the method, the power transmission cost and conversion loss are reduced, the green power consumption rate and the power supply quality are improved, the dependence on outsourcing power is reduced, and efficient, stable and low-carbon operation is realized.

The invention discloses a liquid hydrogen high-temperature superconducting motor and magnetofluid dual-power propulsion system, and aims to solve the problems that an existing ship propulsion system is single in power mode and insufficient in power density. The system comprises a liquid hydrogen storage and supply unit, a cooling unit, an energy conversion unit, a superconducting motor propulsion unit and a magnetofluid propulsion unit, the liquid hydrogen storage and supply unit conveys liquid hydrogen to the superconducting part through the cooling loop, the liquid hydrogen is converted into hydrogen through the heat exchanger after being cooled, the energy conversion unit converts the hydrogen into electric energy and outputs the electric energy in a matched mode, and the superconducting motor propulsion unit and the magnetic fluid propulsion unit generate mechanical energy or electromagnetic force through the electric energy to drive a ship. And the superconducting component is cooled by the cooling loop. The liquid hydrogen in the system has the dual functions of a cooling medium and fuel, a coolant and fuel do not need to be additionally configured, the requirements for silence, high thrust and rapid maneuvering are met, the power density is high, the environmental protection property is good, and the system is suitable for high-performance propelling scenes such as ships, especially submarines.

1. The name of the design product: seabed tunnel environment monitoring graphical user interface for electronic device. 2. The use of the design product: for electronic device. 3. The design points of the design product: the graphical user interface displayed on the electronic device. 4. The picture or photo that best indicates the design points: front view. 5. The rear view, left view, right view, top view, and bottom view are omitted as they do not involve the design points. 6. The use of the graphical user interface: for the interaction and display of seabed tunnel construction environment information. 7. The human-computer interaction mode of the graphical user interface: the interface in the "front view" is the initial interface; when the user clicks on the "monitoring and measurement" icon above the "front view", it jumps to the "interface change state diagram". 8. Other circumstances that need to be explained: the "X" in the view represents variable text and / or numbers, etc.

This disclosure presents an embodiment of a power supply device for a submarine data center. One specific embodiment of the power supply device includes a pre-stage voltage regulator / conversion component, a post-stage DC-DC converter component, and a combined protection circuit. The pre-stage voltage regulator / conversion component includes several parallel single-group voltage regulator branches, each branch connected in series with a varistor and a color-coded resistor. A thin-film capacitor is connected in parallel to the output terminal of the pre-stage voltage regulator / conversion component. The post-stage DC-DC converter component, electrically connected to the pre-stage voltage regulator / conversion component, includes at least two sets of full-bridge DC synchronous rectifier circuits. The combined protection circuit includes a pre-stage combined protection circuit, a post-stage active voltage clamping circuit connected in parallel to the output side of the post-stage DC-DC converter component, and a rectifier diode bridge connected between the constant current input port and the pre-stage voltage regulator / conversion component. The pre-stage combined protection circuit is connected in series to the input side of the rectifier diode bridge. By connecting multiple voltage regulator branches in parallel and combining them with the combined protection circuit, ripple is reduced. This embodiment can improve the power supply stability of the power supply device.

1. Name of the product in this design: Shower Controller (Submarine 2-speed). 2. Intended use of this design: This design is intended for use in bathroom fixtures. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This invention belongs to the field of construction technology, specifically a reinforcement device and installation method for ultra-large diameter shield tunnel segments in an undersea tunnel. It includes a slurry mixer, a slurry storage tank, a grouting pump, and a tail grouting nozzle. The slurry storage tank has an opening at its top and a discharge pipe connected to its bottom. The discharge pipe is connected to the grouting pump via a pipeline. Slurry is discharged from the storage tank port into the tank through the pipeline. Large particles in the slurry are filtered by a filter screen to prevent them from clogging the tail grouting nozzle, allowing the slurry to effectively fill the gap between the tunnel segment and the surrounding rock to reinforce the segment. During the slurry filtration process, a motor is started to drive the drive wheel to slowly rotate the drive ring, causing the filter screen to change position. This prevents large particles from accumulating in the same spot and clogging the filter screen if the slurry is constantly filtered in the same location.

The application discloses an experimental device and experimental method for submarine pipeline stress corrosion in a gaseous hydrogen environment, which comprises a high-pressure kettle body arranged on a support, a flange kettle cover arranged on the high-pressure kettle body, NaCl solution arranged in the high-pressure kettle body, a rod-shaped sample arranged in the NaCl solution, a tension sensor arranged on a rack, an upper stretching rod connected with the tension sensor, a servo motor arranged on the rack, an electric cylinder connected with the servo motor, and a lower stretching rod connected with a piston rod of the electric cylinder. The application has the characteristics that hydrogen-induced material damage and seawater corrosion damage are connected together, and reliable data basis is provided for the selection of materials for manufacturing submarine hydrogen pipelines.

The invention discloses a water pumping and sand discharging pipeline system for a sand hopper and a construction technology of the water pumping and sand discharging pipeline system and belongs to the technical field of pipeline systems. A water pumping and sand discharging pipeline system for a sand hopper comprises a sand hopper body fixedly arranged on a ship deck through a fixing rod, and further comprises a pumping and sand discharging part, the pumping and sand discharging part comprises a first deck pump and a second deck pump which are arranged on the ship deck, the first deck pump is connected with a first discharging pipe, and the second deck pump is connected with a second discharging pipe; the pumping water pumping part comprises an underwater pump and a submersible pump which are arranged in the ship bridge frame; and a pumping and draining pipeline assembly. By refitting an existing cutter suction dredger and integrating the pumping and draining pipeline assembly and the cross-shaped connecting pipeline, flexible switching of the first deck pump, the second deck pump and the underwater pump among three modes of double-pump parallel connection, double-pump series connection and three-pump series connection is achieved, the operation production efficiency is improved, the production cost is reduced, and the service life of the cutter suction dredger is prolonged. And the device is suitable for an environment-friendly construction scene of short-row-pitch large-yield or long-row-pitch accurate conveying.

The application discloses an underwater unmanned submarine environmental noise sensing method and system, and the method comprises the following steps: A, using an underwater unmanned submarine to preprocess marine environmental noise acoustic data; B, performing marine environmental noise probability density function (PDF) fitting calculation; C, performing PDF calculation of different distribution models; D, calculating the fitting parameters of the plurality of different models, and outputting the fitting results. According to the application, the probability density function (PDF) fitting of the complex marine environmental noise and the fitting of various distribution models can be performed, the distribution type of the marine environmental noise can be judged, and the robustness of the sensing marine environmental noise characteristics can be improved.

The utility model discloses a kind of submarine hydrothermal plume acoustic imaging simulation devices, it is related to marine detection technical field, including simulation bin, the simulation bin is set to cylindrical structure, the top of the simulation bin is fixedly provided with fixed seat, the middle part of the fixed seat is fixedly provided with imaging sonar, the outside wall of the simulation bin is penetrated and is provided with two groups of liquid inlet pipes.The utility model is set to two groups of liquid inlet pipes outside the simulation bin, and two groups of liquid inlet pipes are set at the tangent of simulation bin, one end of liquid inlet pipe is provided with movable spray head, and the simulation fluid for simulating hydrothermal plume can be injected into simulation bin through liquid inlet pipe and movable spray head, and collide in simulation bin to achieve the simulation of hydrothermal plume, in this process, by controlling movable spray head up and down movement, the collision angle of two groups of simulation fluid can be controlled, to improve the simulation range of device.

A retrofittable enclosure for storing a deployable antenna 120 on the outer surface of an underwater vessel 160 (e.g submarine, AUV), the retrofittable enclosure comprising: a protective housing 110 f

The application provides an electromagnetic resonance-based submarine surfacing ice-breaking auxiliary device and an ice-breaking method thereof, and belongs to the field of submarine surfacing ice breaking in polar regions. The device solves the problems of the prior ice-breaking method, i.e., the method requires high strength of the submarine structure, causes great loss of the submarine shell, and consumes a large amount of resources and energy. The device comprises a mounting platform, a resonance system and a hook claw. The mounting platform is arranged on the submarine shell. The top of the resonance system is connected with the hook claw. The resonance system is arranged in the mounting platform. The resonance system comprises a magnetic end, a spring and a magnetic piece. The spring is arranged between the magnetic end and the magnetic piece. The magnetic end and the magnetic piece are respectively arranged at the lower end and the upper end of the mounting platform. The magnetic piece is connected with the hook claw. The device is mainly used for submarine surfacing ice breaking.

The invention discloses a submarine hydrothermal plume autonomous sampling method based on machine vision and real-time temperature detection, and the method comprises the steps: obtaining the pose parameters of a current AUV and a current visual image, and inputting the current visual image to a pre-trained YOLO model, so as to carry out the detection frame labeling of the submarine hydrothermal plume in the visual image; and performing pose parameter coarse adjustment, far-end forward thrust adjustment and near-end thrust adjustment according to the input data, so that the AUV arrives at the position corresponding to the maximum temperature of the submarine hydrothermal plume to perform hovering sampling. According to the method provided by the invention, the power distribution mode of the underwater robot can be effectively optimized, so that the sampling efficiency is effectively improved.

The invention discloses a thermoelectric chemical circulating system for an ocean underwater vehicle and an operation method of the thermoelectric chemical circulating system, and belongs to the technical field of ocean underwater vehicles, the thermoelectric chemical circulating system comprises a thermoelectric chemical circulating device and a power generation control system which are arranged on the ocean underwater vehicle, and the thermoelectric chemical circulating device comprises an oxidation-reduction battery and a power storage unit; the power generation control system comprises a control unit and a temperature sensor, and the temperature sensor is connected with the control unit; and the redox battery and the power storage unit are connected with the control unit. According to the invention, the redox battery has voltages with opposite signs and similar magnitudes at seabed and sea surface environment temperatures, so that the underwater vehicle spontaneously performs discharge reactions with opposite directions when reaching the sea surface and the seabed; the control unit switches on a circuit at a corresponding temperature point according to a signal of the temperature sensor, and stores electric energy in the power storage unit to supply power to the underwater vehicle; the ocean natural temperature difference is used for driving thermoelectric chemical circulation, external power supply-free work of the ocean underwater vehicle is achieved, and the underwater operation time is prolonged.

This invention discloses a fault location method and system for a ring-shaped submarine DC power supply system. The method includes: deconstructing the ring-shaped submarine DC power supply system into a simplified topology network; setting measurement points and a local fault location model based on the branch units in the simplified topology network; performing feature analysis on the local fault current data collected at the branch units; inputting the fault features into the local fault location model in time step order for fault prediction; and sending the fault line and fault location to the shore base station based on the predicted fault location and the fault distance between the branch unit to complete the fault location. This invention simplifies the complex ring-shaped submarine DC power supply system by simplifying the topology, thereby reducing the number of lines and measurement points required. By selecting fault current features that are not affected by changes in the number of LLC branches, the regularity of the features is improved, thus improving the fault location accuracy. This method is effectively adapted to scenarios with few measurement points in the ring-shaped submarine DC power supply system.

The utility model relates to the technical field of seabed connecting structures, and discloses a connecting structure for a seabed touring channel and an underwater platform, which comprises a platform connector, a channel connector and a connecting structure, one end of the platform connector is connected with a touring platform, and the platform connector positioned on the outer side of the touring platform is provided with a platform thread; one end of the channel connector is connected with a touring channel, and the channel connector located on the outer side of the touring channel is provided with a channel thread; the rotating directions of the channel thread and the platform thread are opposite; the touring platform is connected with the touring channel through a connecting structure; a flexible connecting ring is arranged in the middle of the connecting structure, and the two ends of the connecting structure are connected through the flexible connecting ring. The structure solves the problem that in the underwater installation process in the prior art, installation is difficult due to the influence of multiple factors such as buoyancy, water flow and terrain.

The application discloses a ROV depth and attitude decoupling control method based on spatial surface depth. The method comprises the following steps: establishing a depth model of a four-axis vertical propeller unmanned remote control submarine; inputting a centroid depth and an attitude angle, and outputting a vertical propeller depth; establishing a decoupling control model; inputting an actual vertical propeller depth and a target depth, and outputting a vertical propeller input control quantity, so as to realize independent closed-loop control of the vertical propeller. The application converts the coupling control of the depth and the attitude angle of the ROV into independent control of the depth of each vertical propeller of the ROV, effectively reduces the coupling of the control process, guarantees the stability of the control system, reduces the depth and attitude angle tracking error of the ROV, and greatly improves the control performance of the depth and attitude angle of the ROV.

The invention relates to the technical field of submarine shield waterproof construction, in particular to a waterproof construction method for air pushing of a submarine tunnel shield tunneling machine, which comprises the following steps of: measuring and trimming a mine section primary support and an air pushing starting chamber, constructing a multi-layer grout stopping protection system, constructing a guide table and rechecking the precision. Calculating and implementing cutter head front loading to provide equivalent reverse thrust, arranging a mortar backfilling pipeline and preparing high-performance mortar, stopping propelling when the shield tunneling machine is tunneled to a preset condition, mounting wedge-shaped ring pipe pieces according to a preset sequence and fastening a longitudinal annular connecting structure, and forming a longitudinal annular connecting structure through a combined mode of synchronous grouting, directional pressure filling of the high-performance mortar and secondary mortar supplementing. According to the method, through a three-dimensional constraint system, the constraint reaction force needed by the duct piece and quantitative calculation of the early strength of the high-performance mortar are combined, the structural integrity and sealing performance of the duct piece are guaranteed, and the long-term operation stability of a tunnel is improved.

The utility model discloses a male die sliding block bottom submarine gate falling-off mechanism for automobile B column injection molding, which comprises a sliding block, a gate insert, a sprue puller, a sprue puller fixing block, a spring, a pressing plate, a round ejector pin and a round ejector pin fixing block, the gate insert is fastened on the sliding block through a screw, the sprue puller fixing block is fastened at the lower end of the gate insert through a screw, and the spring is fixed on the pressing plate. The interior of the material pulling rod fixing block is connected with the material pulling rod, the material pulling rod is sleeved with the spring, and the pressing plate is fastened to the bottom of the material pulling rod fixing block through a screw so as to prevent the material pulling rod from falling off under the acting force of the spring; the round ejector pin penetrates through a round ejector pin fixing block, and the round ejector pin fixing block is fixedly connected with an ejector pin plate of an injection mold frame, so that the problem that the submarine gate automatically falls off when the sliding block moves in place due to selection limitation of motion characteristics of the sliding block on the submarine gate is solved; and the submarine gate can be conveniently ejected out, and balanced ejection of the submarine gate is also facilitated.

The invention belongs to the technical field of submarine underwater sealing, and particularly relates to a submarine through-board sealing and intelligent monitoring alarm device and a sealing pressure threshold setting method, and the device comprises a cup-shaped pipe joint (1), a through-board cable (7), a sealing filling assembly and a locking part used for pressing the sealing filling assembly; the locking component is a cable locking pressure intelligent measuring module (8); the cable locking pressure intelligent measurement module (8) comprises a sensor main body (81), a strain sensing unit and a signal processing and display unit (83). According to the method, efficient and reliable multi-layer high-pressure-resistant sealing can be provided, the locking pressure of a sealing interface can be accurately measured and displayed in real time, remote monitoring is supported, an alarm is automatically given when the pressure is abnormally reduced, and therefore intelligent and visual management and control over the through-board sealing state are achieved.

The invention relates to the technical field of underwater robots, provides an ESP32-based offshore wind power underwater operation robot magnetic load rejection device, and solves the problems of high energy consumption and difficulty in supporting long-time operation when a traditional underwater operation robot dives and passes through surface layer strong disturbance water flow. The robot comprises a control module installed on a robot main body frame; the electromagnet is mounted at the bottom of the robot and comprises a power-losing electromagnet and a power cable, one end of the power cable is connected with the power-losing electromagnet, and the other end of the power cable is connected with the control module; the magnetic key is used for being inserted into a preset position of a shell of the control module, and a strong magnet arranged in the magnetic key can enable the reed switch to be conducted so as to start the control module; the disposable load is used for being adsorbed on the power-losing type electromagnet before operation; according to the invention, the robot can dive by means of gravity by mounting the one-time load, so that the most energy-consuming link in the operation of the underwater robot is omitted, and the operation time is effectively prolonged.

The invention discloses a tsunami simulation and rendering method and related equipment. The tsunami simulation and rendering method comprises the following steps: acquiring submarine topography data and seismic source data; preprocessing the submarine topography data to obtain water depth data; based on the seismic source data and the water depth data, performing quantification by using a preset numerical model to obtain tsunami metadata; and based on the image channel corresponding to the tsunami metadata, obtaining a tsunami rendering graph through color mapping rendering. The tsunami metadata image in the standard format is automatically generated through the preset model, the process is remarkably simplified, and the analysis efficiency is improved; according to the method, the multi-dimensional information of tsunami propagation time, dynamic wave height and maximum wave height is rendered into a visual and understandable graphical product by using a color mapping technology, the spatial expressive force of tsunami dynamics and risks is greatly enhanced, efficient support is provided for disaster early warning, emergency planning and public communication, and the method can be widely applied to the technical field of data processing.

The application discloses a piezoelectric driving ship body adsorption walking robot and a working method thereof, and comprises a connecting rod and two walking assemblies; the walking assembly comprises a motion conversion mechanism, a piezoelectric driving mechanism and two electromagnetic adsorption feet; the electromagnetic adsorption foot comprises a direct-current electromagnet, an outer cylinder, a countersunk bolt and two cylindrical pins; the motion conversion mechanism comprises a transmission shaft and two motion columns; the piezoelectric driving mechanism comprises two stators, two rotors, two piezoelectric ceramic modules, two pre-pressure nuts, two pre-pressure springs, a connecting ring and a threaded pipe. The application converts the rotary motion generated by the piezoelectric driving mechanism into linear motion through the motion conversion mechanism, and cooperates with the electromagnetic adsorption feet to realize adsorption walking on the wall surface of a nuclear submarine. The application has no sealing device, can resist high pressure in deep sea, has no complex transmission device, is easy to miniaturize, has high walking stability and strong anti-overturning capacity.

This invention provides a method and system for stress analysis of subsea tunnel support structures, relating to the field of subsea engineering technology. The method includes: acquiring and comparing the differences between exploration data of the first geological layer after excavation and exploration data of the second geological layer before initial shotcreting of the tunnel cross-section to obtain fissure anomaly increment data; obtaining a first gain factor and a second gain factor affecting the formation of the water pressure field based on the first hydrodynamic pressure data and the fissure anomaly increment data; and continuously optimizing and adjusting the cumulative support strength corresponding to the corresponding support sub-process and the geological layer anomaly increment data corresponding to the second geological layer exploration data based on the first gain factor, the second gain factor, and the second hydrodynamic pressure data corresponding to each support sub-process in the initial support, to complete the stress reliability analysis of the initial support structure. The method and system provided by this invention can effectively ensure the safety of tunnel support.

To provide an apparatus for managing a subsea optical communications system.SOLUTION: An apparatus for managing optical subsea communications system includes a plurality of fiber interface modules (FIMs), where each FIM comprises a receive part and a transmit part. The transmit part includes two normally closed switches SW1, SW2, where a first switch of the two normally closed switches is coupled to a line monitoring equipment (LME) TX port, and where a second switch of the two normally closed switches is coupled to a line terminating equipment (LTE) TX port.SELECTED DRAWING: Figure 4A