120 results about "Sea mark" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention relates to a use method of a bridge anti-collision active defense system. The system comprises a bridge pier active anti-collision control part and a shipborne part, and the shipborne part comprises a marine radar carried on a ship, an ARPA automatic radar plotter and a shipborne AIS device; the bridge pier active anti-collision control part comprises a plurality of radar transponders and a central control computer, and the central control computer is in signal connection with the AIS virtual navigation mark unit and the alarm unit; the use method comprises a grading early warning method and a false alarm prevention method. The graded early warning method comprises the steps that early warning ranges are divided according to the distance from a ship to a bridge in the water flowing direction, and different early warning modes are adopted in different early warning ranges to distinguish the emergency degree of early warning; the false alarm prevention method comprises the following steps: performing judging according to the attitude and speed of the ship in the early warning range, and if the ship is a special ship, not triggering the early warning mode in the graded early warning method. According to the invention, the early warning reliability is improved through AIS and radar; and the early warning range is divided and special ships are distinguished, so that efficient early warning can be ensured.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention provides an anchorage buoy wave dissipation net system which comprises a monitoring device floating on the sea level, a plurality of floating balls floating on the sea level and an anchorage device fixed to the seabed, the monitoring device and the anchorage device are connected through a mooring system, and the floating balls and the mooring system are connected through a wave dissipation net. The monitoring device comprises at least one navigation mark positioning device and at least one environment monitoring device. According to the anchorage buoy wave dissipation net system provided by the invention, the high-strength nylon woven rope wave dissipation net is used for carrying out one-by-one wave dissipation conversion on sea surface waves according to a wave movement period, so that the invasion of extremely severe weather such as typhoon and cold tide to a marine ranching breeding base is relieved; the mooring system, the anchorage device and the wave dissipation net are positioned and tracked in real time through the navigation mark positioning device; and typhoons, cold waves, sea conditions and profile ocean currents are monitored in real time through the environment monitoring device, and big data are provided for wave dissipation net monitoring and marine ranch scientific management.