26 results about "Marine safety" patented technology

The invention discloses a disastrous big wave occurrence probability and wave height combined prediction method, device and equipment, a medium and a product, and relates to the technical field of meteorological ocean forecasting. The method comprises the following steps: acquiring an effective wave height measured value and environmental factor data of a to-be-predicted region in a historical time period; key environment factors are screened through spatial correlation analysis and linear fitting verification, a first training data set and a second training data set are constructed, and a multiple linear regression model and a logic regression model are trained respectively to obtain a wave height prediction model and a big wave occurrence probability prediction model; and inputting the key environmental factors of the current time period of the to-be-predicted region into the model to obtain the predicted occurrence probability of the disastrous waves and the predicted value of the significant wave height in the predicted time period. According to the method, the key environmental factors are screened and the two models are used for respective prediction, the influence of the various environmental factors on the big waves is considered, the occurrence probability and the wave height of the disastrous big waves can be predicted more accurately, and the ocean safety is effectively guaranteed.

The invention relates to an infrared image ship target detection method based on lightweight YOLOv10. The method comprises the following steps of: processing infrared vessel image data by adopting an improved oversampling method to obtain a precise sample, and obtaining an enhanced image data set through an infrared data exclusive enhancement method; constructing a deep learning model; and training the enhanced image data set through a deep learning model. The method can effectively extract the features of the target vessel, and reduces the interference of redundant information such as background. The ship detection capability of the model in the marine environment is enhanced, the phenomena of leak detection and false detection are reduced, the detection accuracy and robustness of the model are further improved, and the actual requirements of marine safety monitoring are better met; the parameter quantity and the calculation quantity of the model are greatly reduced, stepped improvement of the calculation efficiency is realized, quick response is realized for target detection, and the real-time performance is good; the calculation amount, the parameter amount and the model volume of the model are greatly reduced, and the edge device deployment efficiency is remarkably improved.

The invention relates to a marine safe harbor-returning cable which sequentially comprises a conductor, a fireproof layer, an insulating layer, a heat insulation layer, a shielding layer and a sheath layer from inside to outside. Each fireproof layer is formed by compositely wrapping a mica tape and a glass fiber tape on the surface of the conductor, the number of the fireproof layers is three, and the wrapping directions of every two adjacent layers are different; the fireproof layer is attached to the surface of the conductor through an adhesive, and the adhesive is composed of, by mass, 48%-52% of organic silicon resin, 28%-32% of ceramic zinc borate, 14%-16% of nano silicon dioxide and 4%-6% of a platinum catalyst. The cable designed by the invention can maintain the line integrity for more than 180 minutes under the composite working conditions of flame and vibration spraying at 830 DEG C, and is suitable for key loops of a cruise ship electric propulsion system, emergency lighting, fire-fighting equipment and the like.

The invention relates to the technical field of ocean safety, in particular to a man-machine fusion offshore suspicious target management and control method, which comprises a data acquisition module, an intelligent analysis module, a decision dispatching module and an unmanned equipment execution module. The data acquisition module collects data by using a multi-band radar and a plurality of cameras; the intelligent analysis module fuses radar and camera data, and judges whether a target track is suspicious by using machine learning and deep learning technologies; the decision dispatching module automatically plans an unmanned equipment dispatching task according to an analysis result after confirmation by an operator; and the unmanned equipment execution module realizes autonomous navigation of the unmanned ship and the unmanned aerial vehicle to approach the target and acquire information. By reasonably installing hardware equipment and deploying a software system, a series of processes such as data acquisition and transmission, intelligent analysis, decision dispatching, unmanned equipment task execution and data processing feedback are completed. Suspicious targets on the sea can be managed and controlled efficiently and accurately, and powerful technical support is provided for sea safety tasks such as anti-smuggling, anti-theft and anti-fish-stealing.

An outboard motor locking device with integrated battery storage secures a portable outboard motor to a boat transom while providing protected battery mounting for electric start systems. A hinged lock bar having upper and lower members with cutouts surrounds the transom clamp screws of an outboard motor, preventing motor removal. A weather-resistant battery enclosure suspended from the lower member contains a marine battery with pre-installed wiring and external circuit breaker. When locked in position, the battery enclosure's access panel faces the transom, making the battery inaccessible without first removing the entire device. The integrated design provides theft deterrence for both motor and battery as a single unit. Electrical terminals extend from the enclosure for direct connection to the outboard motor. The device transforms complex marine electrical installation into simple attachment while meeting marine safety standards and keeping the battery elevated.

The present invention provides a method for automatically monitoring the safety of buoys at sea, which belongs to the technical field of monitoring methods. The method comprises the following steps: receiving buoy message data, the buoy message data including buoy latitude and longitude data, buoy voltage data, buoy anchor light data, buoy hatch data, buoy cabin water inflow data, and buoy sensor data; performing a multivariate decomposition operation on the buoy latitude and longitude data, and establishing a shift relationship function between the buoy displacement change component and the ambient wind speed change component; constructing a buoy shift matrix based on the shift relationship function, calculating the buoy public safety value, the buoy's own safety value, and the buoy's functional safety value, and performing a weighted calculation on the buoy public safety value, the buoy's own safety value, and the buoy's functional safety value to obtain a buoy safety assessment value; and determining the buoy risk level according to the buoy safety assessment value. The present invention solves the problem of how to accurately identify and assess the safety status of buoys at sea.

The utility model discloses an offshore safety early warning device for a communication terminal, which comprises a damping assembly, a support plate, a driving part, a damping part, a base, a damper, a monitor, a protective shell and a dismounting part, and the driving part is arranged at the bottom of the support plate. The fixing seat drives the connecting plate to rotate, the connecting plate drives the supporting seat and the sliding block to move, the sliding block slides along the outer side of the supporting rod, the sliding block drives the spring to contract, and a damper is matched for damping, so that the damping effect on the monitor is achieved; and the clamping plate rotates along the inner wall of the fixing plate, so that the effect of disassembling the protective shell is achieved, the adjusting plate drives the connecting rod to rotate along the directional seat, and the adjusting plate drives the limiting block and the limiting plate to move.

Most of the conventional final treatment plants for sewage and polluted water exist at a position in contact with the ocean and discharge the sewage and polluted water into the sea after treatment, and the principle of the treatment is bacterial decomposition, which is a method using biodegradation by freshwater microorganisms. Although the contents of Escherichia coli and chemical substances are prescribed as numerical values by law, they are far from perfect including human errors. In recent years, the global environment has been emphasized, and marine pollution is an essential problem imposed on mankind.SOLUTION: To construct a technique for improving a final treatment plant of sewage or waste water in consideration of the environment, to verify the conventional biological decomposition theory of only bacteria, and to enable safe marine discharge by a technique requiring complete treatment in a land facility. To provide a technique and a means capable of greatly improving a complete decomposition treatment in which the natural environment of land and sea is built up by a land facility, by utilizing the ecology of organisms living in a fresh water area and a sea water area, providing a fresh water tank group and a sea water tank group, allowing a bacteria group and small organisms to coexist, utilizing the respective biological characteristics, and aiming at the advancement and completion of the present biodegradation.SELECTED DRAWING: Figure 1

1. The name of the design product: underwater three-dimensional imaging laser radar. 2. The use of the design product: for underwater geological exploration, submarine cable and pipeline detection, marine environment monitoring, underwater archaeology, robot navigation, marine safety and search and rescue, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

To provide an intelligent navigation decision support to ship staff by fully extracting and effectively fusing multimodal marine safety information.SOLUTION: In order to propose a multimodal fusion network capable of training various input information including navigation AIS latitude and longitude information, NAVTEX text information, electronic nautical chart vector information, raster information, video image RGB information, and HOG information by using various networks, a Contact fusion structure based on a multiple attention mechanism MHA is introduced into a parallel structure of the multimodal network so that features of the multimodal information are sufficiently extracted and effectively fused. A multimodal decision support method is proposed for a result display end by suggesting a Transformer model based on generative preliminary training and understanding a context of the multimodal information of fusion features.SELECTED DRAWING: Figure 1

The application discloses a dredged soil solidified ecological fish reef structure with a silt reduction effect, and belongs to the technical field of ecological fish reefs. The dredged soil solidified ecological fish reef structure comprises an outer frame supporting mechanism, the outer frame supporting mechanism comprises a base plate, a dredging plate and an inclined plate, and forms a trapezoidal structure, a first dredged soil solidified block is arranged in the base plate, a second dredged soil solidified block is arranged in the inclined plate, and a dredging pushing assembly is arranged on the inclined surface of the inclined plate. Through the dredged soil solidified ecological fish reef structure, most of the structures are made of dredged soil, the dredged soil is taken from rivers and oceans and is used in rivers and oceans, is safe and environmentally friendly, has high ecological suitability for aquatic organisms, effectively utilizes the impact force of water flow in a waterway, prevents silt on both sides of the waterway from being stacked year by year, reduces silt, prevents water level from rising, improves the safety of navigation, builds ecological balance on both sides, effectively improves the ecological environment of a water area, can also increase and improve the catch, and improves the ecological function of the water area.

The application discloses a kind of marine safety evaluation methods, devices and equipment based on image recognition and medium, the method comprises: from the multi-view sea state image data detected to be identified object, and the object to be identified is matched with preset object, then the first satellite positioning information of current ship equipment is obtained, and the preset authority information of the object to be identified, according to relative position and first satellite positioning information, determine the second satellite positioning information of the object to be identified, if the second satellite positioning information matches the first preset sea area, based on multi-view sea area image data, determine the motion state information of the object to be identified, evaluate motion state information, obtain the safe navigation value of the object to be identified, if safety level is less than set level threshold, then based on ship equipment sends early warning alarm. So as to reduce the labor cost increased by manual detection, and improve the safety detection efficiency.

The utility model discloses a marine safety belt which comprises a waist belt, the waist belt is connected with a leg fixing belt through a waist-leg connecting belt, two groups of shoulder belts are connected above the waist belt, a chest belt is arranged between one sides of the shoulder belts, a back belt is arranged between the other sides of the shoulder belts, and first light-emitting strips are arranged on the outer sides of the leg fixing belt and the waist belt. The outer side of the shoulder strap is sleeved with a buffering sleeve, a second light-emitting strip is fixed to the outer side of the buffering sleeve, an anti-skid layer is arranged at the bottom of the buffering sleeve, and a plurality of sets of anti-skid protruding points are distributed on the outer side of the anti-skid layer. According to the safety belt for the ship, in order to solve the problem that when an existing safety belt is used, when a ship person enters water at night, the position of the person cannot be known in time, first light-emitting strips are arranged on the outer sides of a leg fixing belt and a waist belt, a buffering sleeve is arranged on the outer side of a shoulder belt in a sleeving mode, and second light-emitting strips are fixed to the outer side of the buffering sleeve; an anti-skid layer is arranged at the bottom of the buffering sleeve, a plurality of sets of anti-skid protruding points are distributed on the outer side of the anti-skid layer, and a worker wears a safety belt on the outer side at night.

The invention discloses a two-channel mooring rope tension measuring method based on a vibration wave velocity principle. According to the method, a vibration exciter is installed at the end of a cable to generate transient vibration, and two acceleration sensors are arranged in the axial direction of the cable at a certain interval to form a dual-channel measurement array. After the system collects two paths of vibration signals, the direct propagation time difference of vibration waves between the two sensors is accurately extracted by adopting a first arrival wave locking algorithm based on continuous wavelet transform. And then, according to a wave theory physical model, and in combination with a wavelet transform algorithm of wave velocity calculation, the real-time tension of the mooring rope is finally inverted. According to the invention, the method is endowed with extremely strong anti-environmental noise interference capability by utilizing the first-motion wave information and adopting a time-frequency analysis algorithm, and high-precision and dynamic real-time monitoring of the tension of the mooring rope in a complex marine environment is realized. The system is simple in structure and convenient to install, and has important value for ocean safety.

The utility model relates to an electro-hydraulic actuator of a safety net device for a ship. The structure is compact, and the self-locking oil cylinder, the power unit and the oil tank are integrated and sequentially connected through bolts in a linear series connection mode. The power unit integrates components such as a motor, a pump, an overflow valve, a hydraulic control one-way valve, a one-way throttle valve and a heater. The device adopts a full-sealed structure and is applied to an open-air marine environment. The control valve is packaged in the central valve block, and the outside is blocked by a sealing plug screw; the motor is packaged in a cylinder head of the self-locking oil cylinder, the hydraulic pump, the oil return pipe, the oil suction pipe and the heater are packaged in the oil tank, and sealing pieces are arranged at joints. The safety net has a mechanical self-locking function, so that the safety net is in a self-locking state when the safety net is erected at ordinary times, and the safety of personnel is guaranteed. Control is flexible, all the electro-hydraulic actuators are independently controlled and do not interfere with one another, and use of other actuators is not affected when one electro-hydraulic actuator breaks down. The electro-hydraulic actuator adopts a modular design, only cables need to be laid, and construction is convenient.

The invention relates to a remote sensing image small-scale target detection method based on an edge attention mechanism, and belongs to the technical field of target detection. According to the method, an edge attention mechanism and an edge perception enhancement module are designed in a detection head network, so that the feature extraction capability and the boundary perception capability of a target detection network on a small-scale target are enhanced by establishing global relevance between row elements and column elements in a remote sensing image feature map; therefore, high-precision small-scale target detection of the remote sensing image is realized, and the problem of difficulty in small-scale target recognition and positioning caused by fuzzy features and small positioning error tolerance is solved. By adjusting the output characteristic parameters of the detection head network, the method can be conveniently transplanted to detection tasks of various target scenes and data sets. The method is suitable for various complex scene target detection tasks such as ocean safety, intelligent traffic and battlefield intelligence guarantee.

The invention relates to the technical field of underwater target detection and tracking, in particular to a track-before-detect algorithm based on multi-feature knowledge-assisted particle filtering, which can effectively cope with frogman detection and tracking tasks under different sea conditions and noise conditions and remarkably improve the marine safety monitoring capability. The method comprises the following steps of 1, initializing a target state and sonar observation parameters; 2, constructing a frogman multidirectional motion and state transition model; and step 3, particle filtering based on multi-feature assistance. According to the method, a frogman scattering model and a multidirectional motion model are combined as priori knowledge to optimize a particle state transition process, and particle filtering and a track-before-detect algorithm are combined, so that the detection and tracking precision of the underwater frogman is effectively improved. The method is especially suitable for real-time detection and tracking of underwater frogmen and small moving targets similar to the frogmen.

The invention discloses an airborne marine environment multi-dimensional high-resolution optical monitoring system. Belongs to the technical field of sea surface target detection and information transmission, and particularly relates to the technical field of airborne marine environment optical detection. The technical problem that a spectrum + polarization + infrared multi-dimensional high-resolution optical system capable of simultaneously obtaining marine oil spill and red tide does not exist in the prior art is solved. In order to solve the three problems that typical targets of oil spill and red tide in ocean monitoring cannot be recognized clearly, cannot be distinguished and cannot be seen far under the interference of sea fog, flares, complex illumination and the like, a system for acquiring ocean targets in real time through spectrum, polarization and infrared rays is researched, and the sea surface target observation capacity for eliminating the flares, penetrating the sea fog and improving the contrast ratio is achieved. The research level in the fields of ocean safety monitoring and ocean optics is greatly promoted.

The present invention relates to a field of lifting technology, and specifically to a marine safety lifting tool. The tool comprises a connecting sleeve, wherein the upper end of a hook is elastically slidably arranged in the connecting sleeve, a first gear is rotatably connected to one side of the hook below the connecting sleeve, a first rack is arranged on one side of the first gear, the first rack meshes with the first gear, the first rack is fixed to the connecting sleeve, a first connecting rod is fixed to the first gear, a vertical sliding rod is slidably arranged in the vertical direction on the other side of the hook, a bottom plate is fixed to the lower end of the sliding rod, a second rack parallel to the sliding rod is fixed to the sliding rod, a second gear is rotatably connected to the hook on one side of the second rack, the second rack meshes with the second gear, and a second connecting rod is fixed to the second gear. When a lifting rope is located in the hook and is being lifted, the hook descends under the action of the gravity of the object, and the first connecting rod rotates and prevents the lifting rope in the hook from falling out of the hook, thereby preventing the object from shaking too much and causing the hook to become unhooked.

The utility model provides a kind of ship safety monitoring circuit, equipment and system, wherein ship safety monitoring circuit includes hydrogen concentration sensor subcircuit, temperature sensor subcircuit, pressure sensor subcircuit, signal conversion subcircuit, threshold comparison subcircuit and control subcircuit, wherein: hydrogen concentration sensor subcircuit output end, temperature sensor subcircuit output end and pressure sensor subcircuit output end are electrically connected with signal conversion subcircuit input end;Signal conversion subcircuit output end is electrically connected with threshold comparison subcircuit first input end;Threshold comparison subcircuit second input end is as ship safety monitoring circuit second input port, and threshold comparison subcircuit output end is electrically connected with control subcircuit input end;Control subcircuit output end is as the output port of ship safety monitoring circuit.The utility model provides a kind of ship safety monitoring circuit, equipment and system, realize the early warning to hydrogen leakage, pressure anomaly and temperature out of control and other potential safety risks.

This invention relates to the field of marine safety equipment technology and provides an automatic cleaning type deck water seal level alarm device for marine inert gas systems. The device includes an inert gas main pipe and a cleaning tank for inert gas pretreatment and pressure buffering. The device further includes: a level switch, which is vertically installed with the cleaning tank and connected to it via a stainless steel connecting pipe; a control valve group, which controls the flow status of the stainless steel connecting pipe and the back pressure pipe; and a monitoring unit for controlling the working status of the control valve group. This invention effectively solves the technical problems of existing devices, such as easy corrosion, low monitoring accuracy, lack of automatic maintenance, and incomplete fault monitoring. It achieves accurate level monitoring, automatic cleaning and maintenance, and multiple fault warnings, improving the reliability and service life of the device and adapting to the special working conditions of marine applications.

This invention relates to the interdisciplinary field of marine safety monitoring and computer vision, specifically to a precise early warning method and system for individual-level strong currents at the coast based on monocular time-averaged flow field reconstruction and spatiotemporal collision with tourists. The method includes the following steps: S1: Acquire coastal video images captured by a monocular camera, convert the coastal video images into orthorectified images using a homography matrix, and extract tracer particles from the orthorectified images; S2: Perform frequency domain cross-correlation calculations on two consecutive frames of the orthorectified images to obtain the instantaneous flow velocity field. This invention uses a lightweight time-domain sliding window integral combined with a fast Fourier transform, effectively filtering out wave interference and extracting a pure strong current flow field with very low computational power consumption, enabling the entire system to be processed in real-time directly on a common edge computing host at the front end.

A marine animal trap entry is assembled from a plurality of identically molded, semi-circular mating sections each including a semi-circular base and a plurality of flexible tapered fingers extending from the base. The plurality of mating sections are detachably assembled together to form an annular base portion and a tapered conical entry portion formed by the plurality of flexible tapered fingers. The plurality of fingers taper inwardly towards an apex of the conical entry portion wherein the annular base portion and conical entry portion are co-axial along a longitudinal axis of the trap entry. The semicircular mating sections are separated parallel to the axis of the trap entry. The plurality of flexible fingers are curved with an inwardly facing convex surface. Each of the semi-circular mating sections is molded from a biodegradable polymer.

This invention discloses a striking device for transmitting damage control signals, relating to the field of marine safety technology. It includes a main body and a damage control signal circuit. Three sets of control buttons are mounted on the front of the main body. Inside the main body, near the bottom of the three control buttons, are respectively arranged a first striking device, a second striking device, and a third striking device. The output ends of the first, second, and third striking devices are each connected to a striking mechanism. The striking mechanism is used to strike the interior wall of the cabin to generate a damage control signal. The first striking device generates a single damage control signal, and the second striking device generates two damage control signals. By using the first, second, and third striking devices, different damage control signals can be quickly generated according to the emergency situation. Compared with traditional striking methods and equipment, it has the advantages of being more scientific, simpler, faster, easier, and more efficient.

The utility model discloses a kind of marine safety movable rail, belong to safety rail technical field, including adjacent first fixed rail and second fixed rail, the bottom of first fixed rail and second fixed rail is fixedly connected with stand, multiple groups of cross bars are connected on two groups of stands, first sleeve pipe is slidably connected in the side of first fixed rail, the utility model, by the positioning plate and fastening bolt being set, two groups of sleeve pipe and stable sleeve can be disassembled, to open rail when needed, it can also be locked and positioned, improve the use effect of movable rail, by the setting of the link block, the strength of the splicing between sleeve pipe and stable sleeve can be improved, the protection effect of rail is improved, finally by the setting of mechanical type locking structure, sleeve pipe can be prevented from moving easily from fixed rail when rail is opened, and the use effect of movable rail can be improved.

The utility model relates to the technical field of safety valves, and discloses an adjusting device of a ship safety valve, which comprises a valve body for the ship safety valve, a valve seat is arranged in the valve body, a valve cover is arranged on the upper portion of the valve body through a bolt, the top of the valve cover is in threaded connection with a hollow adjusting screw rod, and a valve rod is slidably connected in the hollow adjusting screw rod. The lower end of the valve rod is connected with a connector, a recoil disc is installed on the connector, a valve clack is installed on the lower portion of the recoil disc and abuts against the top of the valve seat, a spring is arranged in the valve cover, the upper portion of the spring abuts against an upper spring seat, the lower portion of the spring abuts against a lower spring seat, and the lower end of the hollow adjusting threaded rod abuts against the upper spring seat. A vertical plane is milled on the outer wall of the hollow adjusting screw, a plurality of scale marks are carved on the vertical plane from top to bottom, and a corresponding pressure numerical value is carved on each scale mark. During adjustment, only the scale marks of the corresponding pressure numerical values need to be adjusted to be flush with the top of the valve cover, and adjustment and use are more convenient.