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122 results about "Sea mark" patented technology
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A sea mark, also seamark and navigation mark, is a form of aid to navigation and pilotage that identifies the approximate position of a maritime channel, hazard, or administrative area to allow boats, ships, and seaplanes to navigate safely.
Active anti-collision early-warning method and system for ship in bridge zone
ActiveCN107886775ARealize unattendedPrevent Collision Bridge IncidentsMarine craft traffic controlRisk levelMarine navigation
The invention relates to an active anti-collision early-warning method and system for a ship in a bridge zone. The method comprises that S1) bridge-zone navigation areas are divided on the basis of anelectronic sea chart; S2) each virtual navigation-mark navigation area is provided with a retrograde motion determining virtual navigation mark close to the boundary of an adjacent navigation bridgeopening; S3) AIS information of the navigation ship in the bridge zone is collected in real time; S4) on the basis of the navigation area of the bridge zone, a collision risk level for evaluating thedriving state of the ship is obtained according to real-time coordinates and bow direction of the ship; and S5) broadcast information corresponding to the collision risk level obtained in the step S4)is emitted to the ship. Compared with the prior art, the risk in colliding with the bridge of the ship can be evaluated on the basis of the AIS information, and navigation-aided services and early-warning information are broadcast for the ship according to the different risk levels.
Owner:交通运输部东海航海保障中心福州航标处
Pilotless plane landing navigation method and its device
InactiveCN101000243AChoose unlimitedReduce computational complexityNavigational calculation instrumentsInstruments for comonautical navigationVision sensorVisual perception
The invention relates to pilotless helicopter landing guiding method and its implement device. The method includes the following steps: using vision transducer to collect image signal; searching the small area of the landing navigation mark; searching its characteristic point to follow and match; if the matching is successful, finding out no man helicopter whole moving parameter; emitting landing order. The advantages of the invention are that it has high precision, can ensure landing guiding mission success rate and real time, greatly reduce cost, and full play to no man helicopter legerity and agility.
Owner:BEIHANG UNIV
Method for automatically generating virtual navigation mark on electronic navigation channel chart according to water level change
ActiveCN102359785AConvenient remote real-time monitoringStable voltageTransmission systemsNavigation instrumentsRemote controlSea mark
The present invention discloses a method for automatically generating a virtual navigation mark on an electronic navigation channel chart according to water level change. According to the method, an automatic water level remote control detection device with GPS positioning is installed on a river reach; the automatic water level remote control detection device transmits detected water level information to a computer in a management center; the computer in the management center receives and releases the water level data; a terminal computer automatically generates a virtual navigation mark based on the existing electronic map layer information according to the water level data, and displays new virtual navigation mark information on the electronic navigation channel chart. With the present invention, the remote and real time monitoring of the water level of the river can be easily performed by the navigational fair department and the water conservancy department, the management department can real timely view the water level of the key point of the river, the virtual navigation mark can be automatically generated according to the water level change, and the safety guarantee is provided for ship navigation.
Owner:广西远长公路桥梁工程有限公司
Ship anti-collision early warning video detection system and method suitable for navigation marks
PendingCN107909601AImprove day-to-day supervisionEasy maintenanceImage enhancementImage analysisTelemetry EquipmentRemote unit
The present invention relates to a ship anti-collision early warning video detection system and method suitable for navigation marks. The detection system comprises a remote main control unit, a navigation mark remote measurement remote control unit, a communication unit, a vibration monitoring sensor, a video system, a water surface ship identification server and an early warning prompting system. The vibration monitoring sensor is connected with the navigation mark remote measurement remote control unit via the communication unit, the early warning prompting system is connected with the navigation mark remote measurement remote control unit, and the navigation mark remote measurement remote control unit interchanges the information with the remote main control unit. According to the present invention, by combining the actual ship conditions of the navigation channels and the water condition, an efficient and accurate ship anti-collision early warning system is designed, and by utilizing a motion object identification technology based on a Gaussian mixture model, the intelligent monitoring functions of the ship identification and snapshot, the speed analysis, the collision early warning, etc., are realized, and the navigation mark daily supervision and maintenance level can be improved greatly.
Owner:JIANGSU XINTONG INTELLIGENT TRANSPORT TECH DEV CO LTD
Fishery ship yaw early warning system and method
ActiveCN113409617AGuaranteed accuracyNo collisionMarine craft traffic controlAlarmsEarly warning systemSea mark
The invention relates to a fishery ship yaw early warning system and method, and the method comprises the steps: collecting the image information of a target region, carrying out the preprocessing of the image of the target region, and obtaining the channel information of the target region; collecting real-time position information of the ship, and comparing the real-time position information of the ship with preset position information to obtain a deviation rate; judging whether the deviation rate is greater than a preset deviation rate threshold value, if so, generating an early warning signal, correcting the ship navigation state through the early warning signal to obtain result information, transmitting the result information to a terminal according to a preset mode, acquiring channel information through image acquisition, and correcting the channel through meteorological information. According to the method, the channel in severe weather is still within a reasonable controllable range, so that the ship does not collide in the process of driving according to the preset route of the navigation channel, and the navigation mark attitude is adjusted to ensure the accuracy of the navigation channel when the wind power is relatively strong and the navigation mark attitude is deviated.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
Method for manufacturing navigation mark concrete bearing platform
ActiveCN103774685AReduce constructionReduced transport workloadWaterborne vesselsBuoysArchitectural engineeringSea mark
The invention discloses a method for manufacturing a navigation mark concrete bearing platform and belongs to the field of constructional engineering. The method for manufacturing the navigation mark concrete bearing platform comprises the steps that a navigation mark concrete bearing platform pile foundation composed of bearing piles is erected in a predetermined water area, and a first concrete bearing platform layer is prefabricated on land beside the preset water area at the same time; the prefabricated first concrete bearing platform layer is conveyed to and installed on the berating platform pile foundation; follow-up construction is conducted with the fixed first concrete bearing platform layer as a construction platform. By the adoption of the method for manufacturing the navigation mark concrete bearing platform, the workload for setting up the construction platform and conveying raw materials is greatly lightened, construction efficiency is improved, the overall construction cost of a navigation mark is reduced, the quantity of manual work on water is reduced, all kinds of building waste generated in the construction process is reduced, the safety coefficient of construction operation is improved, and the ecological environment of the construction water area is protected.
Owner:JIANGSU LONGGUAN NEW MATERIAL TECH
Monitoring system of inland river intelligent navigation mark
InactiveCN106020091AGuaranteed reliabilityGuaranteed correctnessProgramme controlComputer controlSea markMonitoring system
The present invention provides a monitoring system of an inland river intelligent navigation mark. The system comprises at least one navigation mark and a monitoring center. The monitoring center is used for sending a setting instruction and an inquiry instruction to the intelligent navigation mark. The intelligent navigation mark is used for receiving the setting instruction sent by the monitoring center, configuring operation parameter and alarm threshold according to the setting instruction, and sending a dada report instruction to the monitoring center, wherein the dada report instruction comprises a real-time operation parameter, an alarm parameter and a threshold value, receiving the inquiry instruction sent by the monitoring center and sends a dada report instruction to the monitoring center, wherein the dada report instruction comprises a real-time operation parameter, an alarm parameter and a threshold value, and immediately sends the data report instruction to the monitoring center when each inquiry cycle is in an abnormal state. According to the invention, the reliability and correctness of the data transmission of the system are ensured.
Owner:DALIAN MARITIME UNIVERSITY
Navigation mark device with heat dissipation function for ship navigation
InactiveCN111609369AAffects lighting guide effectsAffect normal workLighting applicationsWaterborne vesselsSea markMechanical engineering
The invention relates to a navigation mark device with a heat dissipation function for ship navigation. The device comprises a floating plate, a mounting base, a beacon light and a protective cover, the device further comprises a heat dissipation mechanism and a cleaning mechanism. The heat dissipation mechanism comprises an air cylinder, a connecting pipe, two first connecting pipes, two second connecting pipes, two pistons, two reciprocating assemblies and two driving assemblies. The cleaning mechanism comprises a connecting ring and two lifting assemblies. The navigation mark device with the heat dissipation function for ship navigation is provided with the cleaning mechanism; hot air is blown to the periphery of the protective cover, so that dust on the protective cover is blown away,water drops are dried, the water drops and the dust are prevented from covering the protective cover and affecting the lighting guide effect of the beacon light, the heat dissipation function of the protective cover is achieved through the heat dissipation mechanism, and the situation that normal work of the beacon light is affected due to the fact that the temperature in the protective cover is too high is prevented.
Owner:葛军
Self-generating sea floating navigation mark
InactiveCN108516053AImprove power generation efficiencyRaise the range of guidelinesWaterborne vesselsBuoysElectricitySea mark
The invention discloses a self-generating sea floating navigation mark. The floating navigation mark comprises a first floating body, which is fixedly connected to the bottom of the support column bya flange, and a signal light is mounted on the top of the support column; a second floating body, which is fixedly connected to one end of the transmission rod, and the other end of the transmission rod is welded and fixed to the magnetic sleeve. The magnetic sleeve is rotatably coupled to the fixed shaft, and the fixed shaft is fixed with a stator coil, and the fixed shaft is fixed on the connecting seat of the end of the support frame. The floating navigation mark drives the magnetic body around the stator coil by wave driving the second floating body to form a magnetic line cutting to generate a current and electricity by itself; the attitude of the device can be adjusted by the baffle, so that the second floating body can swing up and down against the swell at a predetermined angle togenerate electricity, thereby improving the overall power generation efficiency of the stator coil; the reflector can be used to reflect light and improve the guidance range of the navigation mark, which is beneficial for observation at night.
Owner:WUHAN UNIV OF TECH
Self-sinking stormy wave prevention floating navigation mark
The invention discloses a self-sinking stormy wave prevention floating navigation mark, which comprises a navigation mark buoy, hollow buoyancy bins and a central bin, wherein a counterweight block isarranged in the center of the navigation mark buoy, an arc-shaped bottom surface is arranged at the bottom of the navigation mark buoy, and an anchoring frame is arranged below the arc-shaped bottomsurface; the hollow buoyancy bin is arranged on the inner side of the navigation mark buoy, and a sea suction valve is arranged at the bottom of the hollow buoyancy bin; and the central bin is arranged in the middle of the hollow buoyancy bin, and an air compressor is arranged in the middle. The multiple hollow buoyancy bins are arranged to provide buoyancy for the navigation mark, the hollow buoyancy bin can adjust the content of air and water in the hollow buoyancy bin through compressed air and the sea suction valve to control the navigation mark to float or sink; in the case of severe weather, due to the fact that in the vertical direction, the diameters of the water quality point movement tracks are decreased according to geometric progression along with increase of the depth from thesea surface downwards based on arithmetic progression, the influence of underwater waves with the depth of tens of meters is greatly weakened, the navigation mark can avoid direct impact of stormy waves by sinking into the sea surface integrally, and therefore loss and damage are prevented.
Owner:LIXIN COUNTY FENGYASONG ELECTROMECHANICAL TECH CO LTD
Anti-interference trajectory tracking control method for beacon vessel
ActiveCN112083654ASmall overshootShort adjustment timeAttitude controlAdaptive controlLyapunov stabilityDescent algorithm
The invention relates to an anti-interference trajectory tracking control method for a beacon vessel. The anti-interference trajectory tracking control method is characterized by designing a self-adaptive fractional order sliding mode control method, considering the interference of a quay wall effect and wind waves on ship motion, and estimating unknown parameters, environmental disturbance and trajectory tracking errors of a vessel model by utilizing a radial basis function neural network; on the basis of a Lyapunov stability theory, enabling a trajectory tracking error to be converged to zero, so that the system is rapidly asymptotically stabilized; and adopting a fractional order gradient momentum descent algorithm for a learning algorithm of a threshold vector in a radial basis function. According to the anti-interference trajectory tracking control method for the beacon vessel, an underactuated vessel can be self-adjusted and rapidly reach a preset position when being interfered.
Owner:交通运输部东海航海保障中心连云港航标处 +1
Anti-drifting navigation mark for marine traffic
InactiveCN110901832AIncrease rotation speedAvoid driftingBatteries circuit arrangementsEnergy supplyMarine engineeringWind wave
The invention discloses an anti-drifting navigation mark for marine traffic. The mark comprises a cylindrical base shell, a circular-truncated-cone-shaped pipe body is fixed to the outer wall of the top of the base shell through bolts. A top plate is welded to the outer wall of the top of the pipe body; four indication boards which are annularly distributed at equal intervals are welded to the outer wall of the top of the top plate. Indicating marks are adhered to the outer walls of the four indicating boards; a same mounting plate is welded to the outer walls of the tops of the four indication boards, two vertical rods are welded to the middle of the outer wall of the top of the mounting plate, a same wind direction plate is welded to the top ends of the two vertical rods, streamline sidewings are welded to the outer walls of the two sides of the wind direction plate, and the two side wings are located at the positions close to one end of the wind direction plate. The navigation markis used for providing sea route information for passing ships in marine traffic, the navigation mark has a good drifting prevention function, and the navigation mark can still be kept within a certain range as much as possible in stormy weather so as to provide accurate information.
Owner:QIANSHUI QINGYUAN HUBEI TECH CO LTD
Offshore three-dimensional linkage networking and navigation channel supervision system of unmanned aerial vehicle group cooperative intelligent navigation mark
ActiveCN112053591ARealize dynamic supervisionImprove the defect of insufficient energy consumption for transmission integrationMarine craft traffic controlMaritime navigationNavigation safety
The invention discloses an offshore three-dimensional linkage networking and navigation channel supervision system of an unmanned aerial vehicle group cooperative intelligent navigation mark. The offshore three-dimensional linkage networking and navigation channel supervision system comprises a water surface subnet layer, an air subnet layer and a shore cloud computing center. An unmanned aerial vehicle is combined with an intelligent navigation mark of an offshore platform, the high altitude visual angle, the strong maneuverability and the like of the unmanned aerial vehicle are combined withthe offshore advantages of the navigation mark to implement a seamless supervision communication system on a navigation channel, and higher efficiency and real-time performance are achieved; in addition, navigation mark embedded sensor equipment realizes acquisition of hydrological and meteorological information of the navigation channel, and the traditional process of independently arranging sensors is improved, so that resources are saved; in addition, a navigation mark embedded edge computing device can directly preprocess collected information and transmit the information to a marine navigation ship and an unmanned aerial vehicle in a wireless communication mode. The edge computing device directly preprocesses the data collected by the navigation mark, the bandwidth consumed by offshore data transmission is reduced, meanwhile, it is guaranteed that a sailing ship obtains channel related information in the shortest time, and the sailing safety of the ship is guaranteed.
Owner:DALIAN MARITIME UNIVERSITY
Intelligent navigation mark system based on edge calculation
ActiveCN112671863ARealize intelligenceAvoid Situations That Cannot Be AppliedWaterborne vesselsMeasurement devicesHydrometryReal time analysis
The invention discloses an intelligent navigation mark system based on edge calculation, which belongs to the field of embedding, and comprises N intelligent navigation mark devices and an edge server, the N intelligent navigation mark devices are the same in structure; each intelligent navigation mark device comprises a hydrological and weather information acquisition module and a Beidou satellite positioning module, wherein the hydrological and weather information acquisition module is used for acquiring marine hydrological information and weather information around the navigation mark; the edge calculation module is used for processing the hydrological information and the weather information from the navigation channel to obtain real-time hydrological information and weather information and predicting the weather information of the navigation channel and the change condition of the hydrological information; the edge calculation module comprises a Beidou satellite communication module, a Lora / Wbee communication module and a power module; the edge server processes the hydrological and weather information and the position information to form a channel flow field situation awareness map of a related water area and predict the risk of a channel, and the system completes real-time analysis of hydrology and weather of the whole navigation water area so as to provide a navigation aid decision for ship navigation.
Owner:DALIAN MARITIME UNIVERSITY
Using method of bridge anti-collision active defense system
PendingCN112951002ADrive carefullyReflect urgencyMarine craft traffic controlAlarmsSimulationSea mark
Owner:长江重庆航运工程勘察设计院 +1
Port sea area caution navigation mark
InactiveCN108238216AAvoid damaging manpower-intensive issuesRealize the warning functionWaterborne vesselsBuoysSea markEngineering
The invention discloses a port sea area caution navigation mark. The caution navigation mark comprises an air cushion, wherein a plurality of first connecting rods are fixed on the circumference of the air cushion in an equal internal manner, one side of the air cushion is sleeved with a fixed ring, one ends of the first connecting rods are fixed on one side in the fixed ring, and a plurality of float bowls are fixed on the circumference of the fixed ring in an equal internal manner; and a bearing plate is fixed at the upper end of the air cushion, a placement tank is fixed at the upper end ofthe bearing plate, a bearing tank is arranged at the bottom in the placement tank, the upper end of the bearing tank runs through the side wall of the placement tank and extends to the upper end of the placement tank, and a driving device is fixed on one side of the bearing tank. According to the port sea area caution navigation mark, a curtain wall insulation plate is flexibly and conveniently mounted and dismounted, the problems in the prior art that the mounting time is delayed, and the working efficiency is influenced due to a tedious bracket mounting step are solved; and furthermore, theport sea area caution navigation mark is economic, practical, convenient to mount, easy to operate and suitable for popularization.
Owner:韩世超
Intelligent navigation mark collision avoidance method and system
ActiveCN111721321ASolving the drift estimation problemEasy to navigateNavigational calculation instrumentsSimulationSchematic maps
The invention discloses an intelligent navigation mark collision avoidance method. Intelligent ship-navigation mark collision risk prediction and early warning are realized through ship track prediction, 3D scene construction and collision risk estimation. The method comprises the steps of predicting ship tracks, and predicting the ship positions, the heading directions and the tracks of the shipfeature points according to a ship feature point model, the real-time and historical ship positions and heading directions of the ship, wherein the ship tracks are predicted according to a Kalman filtering method; constructing a 3D scene, and performing three-dimensional visual display on the matched cloth of a navigation mark, the three-dimensional visual display including a navigation mark matched cloth schematic diagram; and collision risk estimation: calculating the nearest meeting distance between the navigation mark and the ship feature point model and the driving distance required for reaching the meeting point ship, estimating the collision risk in real time, and pre-judging whether the ship collides with the navigation mark or not. The invention further discloses a device based onthe method. The method and the device have the advantage that ship-navigation mark collision risk intelligent prediction and early warning can be effectively realized.
Owner:交通运输部东海航海保障中心上海航标处 +1
Navigation mark, navigation mark anti-collision early warning device and navigation mark anti-collision early warning method
The invention discloses a navigation mark, a navigation mark anti-collision early warning device and a navigation mark anti-collision early warning method. The navigation mark comprises a navigation mark body and the navigation mark anti-collision early warning device. The navigation mark anti-collision early warning device comprises a distance detection module used for detecting the distance between the navigation mark and surrounding ships; an early warning module used for sending an early warning signal to the ship; and a control module used for controlling the early warning module to sendan early warning signal to the ship when the distance between the navigation mark and the surrounding ship is smaller than a set value. The navigation mark anti-collision early warning device is arranged on the navigation mark body, the distance between ships around the navigation mark and the navigation mark can be detected, and the early warning signal is sent to the ships when the distance is smaller than the set value, so that the ships can avoid the navigation mark in time, and the probability that the navigation mark is collided with by passing ships is reduced.
Owner:WUHAN UNIV OF TECH
Spray coating device for on-water floating solid-core polyurea elastomer
InactiveCN107138323ASimple structureReliable principleLiquid spraying apparatusElastomerSpray coating
The invention belongs to the technical field of machines, and relates to a spray coating device with a boat fender or navigation mark core body, in particular to the spray coating device for an on-water floating solid-core polyurea elastomer. The device is applied to spray coating occasions of the on-water floating solid-core polyurea elastomer, and solves the technical problems of large labor intensity of manual preparation, low efficiency and low standard degree of the product are solved; moreover, the production efficiency can be effectively improved, and the spray coating device is used for carrying out spray coating of large-scale buoyant boat fender products. The two ends of a machined body are firstly fixed; then a first support is moved to the right lower part of a spray coating machine along a first sliding rail; parameters of the spray coating machine are set, an air compressor is started and a variable frequency motor is started, and a second rotary shaft is driven by the variable frequency motor to rotate the machined body; a spray nozzle or a spray gun is opened to carry out spray coating until the spray coating procedure is completed. The device has a simple overall structure, is reliable in principle, is high in production efficiency, is convenient to operate, is low in labor intensity, is high in standardization degree of the product, is good in quality, is friendly in environment, and has good economical benefit and wide market prospect.
Owner:青岛鲁航气囊护舷有限公司
Unmanned variable-pitch catamaran for navigation mark recovery
PendingCN111924052AEfficient recyclingPromote recoveryVessel partsSpecial purpose vesselsHydraulic cylinderMarine engineering
The invention discloses an unmanned variable-pitch catamaran for navigation mark recovery, which comprises a first side sheet body, a second side sheet body, a sheet body connecting bridge and a navigation mark clamping device, wherein the sheet bodies are connected through the connecting bridge, and the connecting bridge is composed of a variable-pitch telescopic rod, a telescopic platform, a base and a range finder. The navigation mark clamping device is arranged below a deck and is composed of scanning equipment, a clamping jaw, a clamping arm, a hydraulic cylinder and a rotary base. According to the unmanned variable-pitch catamaran for navigation mark recovery, the catamaran can be automatically driven to the place where the corresponding navigation mark is located after receiving theinstruction, the distance between the sheet bodies and the opening size of the head clamping jaw of the clamping arm are adjusted according to the diameter of the cylindrical navigation mark, the catamaran can adapt to navigation marks of various specifications, the navigation mark recovery efficiency is effectively improved, and the recovery cost is reduced.
Owner:高春锋
Maintenance-free impact-resistant intelligent navigation mark
ActiveCN113501084APlay a role in cleaning upAvoid damageWaterborne vesselsPhotovoltaicsControl engineeringSea mark
The invention provides a maintenance-free impact-resistant intelligent navigation mark, relates to the technical field of navigation marks, and aims to solve the problems that a solar power generation device and a navigation mark light of an existing navigation mark need to be maintained and cleaned regularly, and the use cost of the navigation mark is increased, and the problems that an existing navigation mark is poor in anti-collision capacity, and consequently, the stability of the navigation mark is poor, the navigation mark is prone to being damaged to a certain degree, and the practicability of the navigation mark is reduced. The intelligent navigation mark comprises a floating body; the floating body main body is of a cylindrical structure, and a stabilizing mechanism is mounted at the bottom of the floating body; an anti-collision device is arranged at the top of the floating body, and a power supply mechanism is arranged at the top of the floating body; a warning device is arranged at the top of the floating body, and an auxiliary device is arranged at the top of the floating body; and a weighting device is mounted at the bottom of the stabilizing mechanism.
Owner:姚雪元
Method for automatically generating virtual navigation mark on electronic navigation channel chart according to water level change
ActiveCN102359785BConvenient remote real-time monitoringStable voltageTransmission systemsNavigation instrumentsRemote controlSea mark
Owner:GUANGXI YUANCHANG HIGHWAY BRIDGE ENG CO LTD
Icebreaking large beacon vessel
PendingCN111674515AIcebreaker lastsCapable of continuous icebreaking operationsCargo handling apparatusPropulsion power plantsSea markBuoy
The invention provides an icebreaking large beacon vessel which has continuous icebreaking operation capacity and is characterized by comprising a vessel body adopting an icebreaking type vessel bodyline type and two propellers driving the stern of the vessel body through a full-electric driving system, the propellers adopt full-rotation fixed-pitch steering oars, and the full-rotation steering oars meet B2-level ice zone strengthening requirements. The icebreaking type large beacon vessel provided by the invention can sail in an offshore navigation area and work in coastal navigation areas and mainly serves throwing, removing, checking, maintaining and the like of navigation aiding facilities such as large and medium-sized lamp buoys and movable joint type lamp piles in port navigation channels of northern sea areas in China. The icebreaking large beacon vessel also can be used for emergency arrangement, emergency repair and maintenance of navigation marks during ice conditions of the northern sea areas, and has the capacity of continuously breaking ice under the condition of certain ice layer thickness.
Owner:708TH RES INST OF CSSC
Navigation mark tide level observation device and navigation mark tide level observation method are adopted
ActiveCN111578910AImprove survival rateLess vulnerable to collisionMeasuring open water depthIndication of weather conditions using multiple variablesData processing systemObservation data
The invention provides a navigation mark tide level observation device and a navigation mark tide level observation method. The system comprises a navigation mark body assembly, a self-powered systemand a data processing system, the shape of the navigation mark body assembly and the shape of the standard navigation mark are the same, so that the observation device has higher survival probability,does not easily suffer from ship collision and fisherman damage and is more secure, by setting the self-powered system, the power supply requirement of a continuous system can be met; compared with areverse echo device arranged at the seabed, the self-powered system on the navigation mark can meet the requirement of high-frequency observation; data collected by the navigation mark body assemblyis transmitted to the land client through the Beidou satellite and then analyzed and stored through the data processing system. Compared with reverse echo device arranged at the seabed, the observation device not only has complete local data record, but also sends observation data through Beidou communication, the data is safer, the distance measurement precision is improved by adopting a small-range depth measurement sensor, and the precision requirement of tide observation of 1cm is met.
Owner:QINGDAO HUAXING HAIYANG ENG TECH CO LTD
Movable navigation mark
PendingCN113815783AFirmly connectedAct as a markerBatteries circuit arrangementsWaterborne vesselsSea markEngineering
The invention discloses a movable navigation mark. The movable navigation mark is composed of a floating body and a navigation mark body, wherein the floating body is a cylinder, the navigation mark body is fixed to the top of the floating body, the navigation mark body is in a vertically-arranged triangular pyramid shape, a navigation mark light device is arranged at the top of the navigation mark body, and a 360-degree video return camera is arranged at the top of the navigation mark light device; solar panels are respectively arranged on three outer surfaces of the navigation mark body; a battery is arranged in the floating body; a cable is connected below the floating body, and the other end of the cable is provided with a strong magnet. The buoyancy of the floating body is larger than the gravity of the whole navigation mark, it can be ensured that the navigation mark floats on the water surface, and the marking effect can be achieved; the strong magnet is attracted on a metal dangerous floating object to ensure connection between the navigation mark and the dangerous floating object; the solar panel and an internal battery form an energy system which can provide a power supply; the beacon light device at the top can emit light and has communication and positioning functions, and the camera can enable a worker to know the real-time condition of the surrounding sea surface through the beacon, so subsequent operation can be conveniently carried out according to the sea surface condition.
Owner:TRANSPORTATION DEPT SOUTH SEA NAVIGATION SUPPORT CENT BEACON DEPT +1
Intelligent sensing navigation mark equipment and early warning method thereof
PendingCN111391994AImprove night navigation efficiencyNavigation safetyNavigational aid arrangementsClimate change adaptationInformatizationSea mark
The invention relates to the technical field of navigation equipment, in particular to intelligent sensing navigation mark equipment and an early warning method thereof, and the intelligent sensing navigation mark equipment comprises an AIS receiving unit, a control unit, a compass sensor, a positioning unit and an LED warning lamp; a raspberry Pi PC and an eight-way switch on-off controller are integrated in the control unit; the AIS receiving unit receives an AIS message and forwards the message to the raspberry Pi PC of the control unit to enter a data processing flow; the AIS receiving unit is used for receiving an AIS message of a water area ship near a navigation mark, analyzing the AIS message and extracting ship coordinates and navigation speed heading information; the compass sensor is used for acquiring a navigation mark rotation angle; the positioning unit is used for acquiring a navigation mark position; and the control unit controls the LED warning lamp to work. By integrating multiple informatization technologies, navigation environment data are collected in real time, when a ship approaches, the ship can be actively warned to avoid, economic losses and navigation risks caused by collision are reduced, navigation aiding efficiency of the navigation mark at night is greatly improved, and navigation in a water area is safer.
Owner:武汉欣海远航科技研发有限公司 +1
Mobile electronic fence system based on virtual AIS technology
InactiveCN111105646AAvoid enteringMarine craft traffic controlSatellite radio beaconingTelecommunicationsSea mark
The invention discloses a mobile electronic fence system based on a virtual AIS technology. The system comprises an AIS station installed on a ship and used for receiving an AIS message, a GNSS moduleused for determining the position of a mobile dangerous area, an AIS sending module used for broadcasting an AIS virtual navigation mark and an information processor used for calculating the real-time position of the broadcasted AIS virtual navigation mark. The GNSS module is installed in the mobile dangerous area, the information processor is connected with the GNSS module and acquires a positioning location in real time, and after the information processor calculates the AIS virtual navigation mark position, the AIS message which can be received by the AIS station is broadcasted through theAIS sending module.
Owner:金枫
Hybrid mooring navigation mark system and manufacturing method of synthetic mooring rope
PendingCN111483556AWith cushioning and energy absorptionReduce weightWaterborne vesselsBuoysSea wavesEnergy absorption
The invention relates to a hybrid mooring navigation mark system and a manufacturing method of a synthetic mooring rope. The system comprises a navigation mark, a synthetic mooring rope and an anchorchain. The synthetic mooring rope is provided with a plurality of first ropes and a plurality of second ropes. The plurality of first ropes are connected with the second ropes; the first ropes and thesecond ropes have cylindrical structures and are provided with protective layers; a plurality of rope cores are evenly arranged in each protective layer, a filler is arranged between each rope core and the corresponding protective layer, the first ropes are connected with the bottom of the navigation mark so that a triangular structure can be formed among the first ropes, and the second ropes areconnected with the anchor chain and used for fixing the navigation mark to sunken stone through the anchor chain. The navigation mark synthetic mooring rope mooring replaces traditional pure anchor chain type mooring, and the synthetic mooring rope is subjected to heat setting treatment, so that the rope has a buffer energy absorption performance, and problems that an anchor chain is large in dead weight, prone to corrosion and abrasion, difficult to clean attachments, weak in sea wave energy absorption and the like are solved.
Owner:TAIAN ROPE NET PLASTIC
Method and system for automatically marking virtual navigation mark, computer equipment and storage medium
The invention relates to a method and a system for automatically marking a virtual navigation mark, computer equipment and a storage medium. According to the technical scheme, the method comprises the following steps: acquiring image data in a monitoring area and radar data in the monitoring area; whether a ship exists in the monitoring area is judged according to the image data, under the condition that the ship exists, image recognition is conducted on the ship to obtain ship name information, and first position information of the ship is obtained according to the radar data; comparing the ship name information and the first position information with all the received ship AI S data, and generating a ship virtual navigation mark on an electronic chart according to the ship name information and the first position information of the ship under the condition that the ship name information and the first position information are not found in all the ship AI S data; the method has the effects of automatically generating the virtual navigation mark, facilitating the scheduling of the sailing ship, re-planning the route of the ship and reducing the collision risk of the ship.
Owner:广州海事科技有限公司
Novel port navigation mark
ActiveCN111189020AEasy to useEasy to fixWaterborne vesselsLighting support devicesSea markEngineering
The invention relates to the technical field of navigation marks, in particular to a novel port navigation mark. According to the specific technical scheme, the novel port navigation mark comprises ahollow navigation mark body, a mark rod fixed to the top of the mark body through a plurality of supporting rods, and a mark lamp arranged at the top of the mark rod. A hemispheroid is arranged at thebottom of the mark body, a circular groove is formed at the bottom of the hemispheroid, and an arc-shaped plate attached to the bottom of the hemispheroid is arranged below the hemispheroid. A fixedcolumn is fixed at the bottom of the arc-shaped plate, a cylindrical groove penetrating through the arc-shaped plate is vertically formed at the top of the fixed column, and the hemispheroid is fixedto the bottom of the cylindrical groove through a chain. A first through hole communicated with the cylindrical groove is transversely formed on the side wall of the fixing column, a plug pin is arranged in the first through hole, penetrates through the chain and is fixed to the inner wall, symmetrical to the first through hole, of the cylindrical groove, and a sinking stone is fixed to the bottomof the fixing column. According to the novel port navigation mark, the problem that in the prior art, the navigation mark cannot be normally used under the condition of strong wind and strong waves is solved.
Owner:JIANGSU UNIV OF SCI & TECH
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