48 results about "Marine safety" patented technology

The invention relates to the technical field of ocean safety, in particular to a dispatching management method and system based on an ocean emergency plan, and the method comprises the following steps: analyzing maritime accident information based on emergency processing request information, extracting text content, detecting a plurality of keywords, recognizing the category of an accident through analyzing the combination and context relation of the keywords, and carrying out the dispatching management of the accident. And generating accident type identification information. According to the invention, through accident type identification, in combination with marine environment conditions and accident types, accurate matching of emergency plans is realized, effective utilization of resources at most needed places is ensured, the ability of handling sudden maritime accidents is improved, the execution process of the emergency plans is recorded in real time, the execution efficiency is scored, and the emergency plans are accurately matched. The traceability of the emergency response process is optimized, a data basis is provided for subsequent optimization, the response speed and quality of the marine accident are improved by analyzing and optimizing the emergency plan, and the damage of the marine safety accident is effectively reduced.

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 provides a buoy marine safety automatic monitoring method, and belongs to the technical field of monitoring methods. The buoy marine safety automatic monitoring method comprises the following steps: receiving buoy message data, the buoy message data comprises buoy longitude and latitude data, buoy voltage data, buoy anchor lamp data, buoy cabin door data, buoy cabin water inlet data and buoy sensor data; performing multivariate decomposition operation on the longitude and latitude data of the buoy, and establishing a displacement relation function between a buoy displacement variation component and an environment wind speed variation component; constructing a buoy shift matrix based on the shift relation function, calculating a buoy public safety value, a buoy self-safety value and a buoy function safety value, and performing weighted calculation on the buoy public safety value, the buoy self-safety value and the buoy function safety value to obtain a buoy safety evaluation value; and determining the buoy risk level according to the buoy safety evaluation value. The method solves the problem of how to realize accurate identification and evaluation of the offshore safety state of the buoy.

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 the technical field of marine target detection, in particular to a man-machine fusion marine target situation estimation method and system, and the system consists of a real-time track acquisition module, a machine learning module, a comparison judgment module and an alarm module. The machine learning module applies a support vector machine, a neural network and other algorithms to construct a high-precision track judgment model through data preprocessing, model training and evaluation optimization. And the comparison and judgment module extracts real-time track characteristics, calculates the similarity between the real-time track characteristics and a suspicious track database sample, and judges whether the track is suspicious according to a dynamic threshold value and a multi-condition rule. The system also adopts a distributed database storage technology to ensure safe storage and consistency of data, and improves data management efficiency and security through data classified storage and encryption technologies. According to the system, the accuracy and efficiency of marine target monitoring can be remarkably improved, the adaptability of the system to complex and changeable marine environments is enhanced, and marine safety and order are effectively guaranteed.

The invention discloses an emergency communication system based on a new-generation AIS and multi-mode communication fusion terminal. The emergency communication system comprises the new-generation AIS and multi-mode communication fusion terminal, and an AIS system, a Beidou system, an offshore broadband system and a VHF system which are connected with the new-generation AIS and multi-mode communication fusion terminal. The fusion terminal based on the new-generation AIS and the multimode communication comprises a main panel, the main panel is connected with a radio frequency module which is used for realizing mobile communication and WIFI network coverage of a ship and a surrounding weak signal area, a converged communication processing module which is in butt joint with each shipborne device to realize multimode communication, a display screen which is used for realizing data display and a loudspeaker which is used for realizing voice broadcast. According to the invention, an efficient and reliable communication solution can be provided for marine safety of ships and sailors, so that the marine data communication capability and the efficiency and success rate of accident help seeking are improved.

The invention provides a maritime moving target detection method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining maritime multi-source data, and carrying out the fusion of the multi-source data, and the multi-source data comprises at least one of radar data, satellite data and meteorological data; inputting the fused multi-source data into an adaptive feature extraction network, and outputting a feature vector diagram; detecting a maritime moving target from the feature vector diagram based on a target detection algorithm of deep learning; performing real-time tracking on the marine moving target based on a target tracking algorithm, and identifying the category of the marine moving target based on a deep learning classification algorithm; accurate, efficient and real-time detection of the marine dynamic target is achieved, and powerful technical support is provided for the fields of marine safety monitoring, marine rescue and the like.

The utility model relates to the technical field of ship accessories, and discloses a marine safety anchor windlass which comprises a base, a motor is installed on the base, a gear box is connected to an output shaft of the motor, the output end of the gear box extends out of the gear box towards the two sides, one side of the output end of the gear box is connected with a reel, and the reel is connected with a rotary shaft. The other side of the output end of the gearbox and the other side of the reel are jointly provided with a reciprocating motion mechanism, the output end of the reciprocating motion mechanism is connected with a fair lead, and the fair lead moves in the axial direction of the reel. The device solves the problem that an automatic cable arrangement structure is prone to being impacted due to shaking of an anchor chain, so that abrasion is aggravated, and damage is prone to occurring; the impact of the anchor chain on the reciprocating motion mechanism is reduced through the fair lead, meanwhile, a thread structure is changed into a gear structure, the impact resistance is improved, and the overall service life is prolonged.

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 provides an offshore photovoltaic operation and maintenance operation time determination method and device, a medium and equipment, and relates to the technical field of computers. The method comprises the following steps: predicting meteorological and hydrological information of an offshore field area of offshore photovoltaic in a preset time period in the future; determining a plurality of sailing safety time periods in a preset time period according to the predicted meteorological and hydrological information; determining task time consumption of a to-be-executed target operation and maintenance task in a preset time period; comparing the duration of each sailing safety time period with the task time consumption; if the duration of each marine safety time period is less than the task time consumption, splitting the target operation and maintenance task into a plurality of sub-target operation and maintenance tasks under the condition that the target operation and maintenance task is a detachable operation and maintenance task, and determining a target safety time period corresponding to each sub-target operation and maintenance task from the multiple marine safety time periods, and distributing each sub-target operation and maintenance task to the corresponding target safety time period. The method for determining the operation and maintenance operation time does not need human participation.

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.

The invention discloses a multimode channel self-organizing elastic access method, which comprises the following steps of: firstly, determining an idle channel through channel spectrum sensing, then, obtaining an optimal available channel for transmitting data by using each service through channel quality evaluation, and finally, selecting a corresponding channel to carry out signal transmission according to different service transmission requirements. According to the multimode channel self-organizing elastic access method provided by the invention, elastic self-organizing access of a narrow-band voice service, a broadband binary data communication service and a specific marine safety information communication service is realized, and the optimal communication efficiency is achieved. Meanwhile, by reasonably distributing the data channels, effective spectrum resources are utilized to the maximum extent, and the channel management capacity of the system is improved.

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.

To improve the safety consciousness of a user and to support the safe use of the sea by accurately providing prediction information of a sea off-shore current in real time.SOLUTION: A system for providing a sea off-shore current prediction service, includes: means for collecting real-time ocean data; means for utilizing an AI model; and means for providing prediction information to a user.SELECTED DRAWING: Figure 1

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.

The invention discloses a target behavior recognition method and device based on low-orbit communication data and a medium, and relates to the technical field of computers. The communication data comprises sea target position data of a sea area covered by a low-orbit satellite orbit flight path, sea area environment data and service data of a low-orbit satellite network state; combining the communication data with a ship automatic identification system signal and radar data, and performing data processing on the combined data; performing feature extraction on the processed data, and constructing a behavior feature model, a network feature model and an environment feature model used for identifying maritime target features by using data features; establishing a behavior template for identifying marine target behaviors; the behavior template is used for carrying out behavior recognition on the to-be-recognized marine target, the accuracy and practicability of target behavior recognition are improved, the false alarm rate is effectively reduced, early warning, real-time monitoring and post analysis of the marine target are achieved, and the marine safety management and control level is improved.

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 present invention belongs to the field of popular science of marine safety, and specifically is a popular science device for the hazards of rip currents. It includes a wave-making function module, which generates waves; a plurality of shore shape modules, which simulate the shape of the coast and the waves to generate rip currents; a dye liquid flow display system, which dyes the rip currents; a flow rate monitoring system, which is used to monitor the flow rate of the rip current. When the flow rate monitoring system detects that the flow rate reaches a threshold, it sends a signal to the dye liquid flow display system, so that the dye liquid flows out to realize the dye liquid flow display; a water circulation system, which recycles the dyed rip currents and purifies the dyed rip currents into colorless water. The present invention fills the gap of no popular science device in terms of warning of coastal safety caused by rip currents.

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 utility model relates to the technical field of air bag releasing, and discloses a marine safety air bag releasing device which comprises a first flat aluminum ring and a second flat aluminum ring, and the first flat aluminum ring and a flat aluminum strip surround the surface of a safety air bag. The first flat aluminum ring and the second flat aluminum ring are fixed through the flat aluminum strips, the number of the flat aluminum strips is three, an aluminum pipe is arranged at the intersection of one ends of the three flat aluminum strips, and a support is fixedly installed on the surface of the aluminum pipe. The device is easy to operate, common personnel can know how to operate at a glance without special training, passengers can save themselves under the condition that no sailors are in place, the device is short in rescue time, moving time and inflation time are saved, the device is very important when dangerous cases occur, the device is arranged on the broadside, and the device is very convenient to use. The movable space of the deck is not occupied, meanwhile, rainwater erosion is avoided due to inflation, and people only need to pay attention to normal maintenance.

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.

1. The name of this design product: Marine Safety Chain. 2. Purpose of this design product: It is used to be installed on the dock to fix the berthed ship to prevent the ship from drifting accidentally or people from falling. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

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.