41 results about "Merchant ship" patented technology

The invention relates to a system of monitoring fishing boats for anti-collision alarm, which is a new system for fishing boats on the sea to monitor the condition of boats around in real time, realize anti-collision alarm and avoid net lost. The information of boats around is obtained by adopting a communication computer in the private communication channel in the fishery of our country and information of boats with an AIS system is received through AIS. The system consists of a reception portion, an input and output interface portion, a data processing portion, a data storing portion and a display portion. Information about fishing boats and merchant ships on the sea is received through the reception interface portion for data analysis and judgment processing through a data processing centre to realize remote control, inquiry and tracking to the fishing boats and merchant ships around. Relevant data such as the sailing direction and speed of the boats is displayed on an electronic sea chart of the computer in real time. Real-time alarm is given to boats in the preset alarm range to achieve the aim of avoiding terrible accidents such as collision and net lost so as to ensure safe production and sailing of fishing boats.

The invention discloses an ocean environment and sample collection system based on merchant ship carrying. The ocean environment and sample collection system comprises an information processing system, wherein the information processing system is connected with a ship-carried sampling and control system. According to the ocean environment and sample collection system disclosed by the invention, automatic collection of ocean environment samples and online obtaining of environmental and geographic information are realized by utilizing a modern electronic and information technology; an expandable sampling platform is provided and can be carried on a merchant ship to be operated by a non-specialized person, so that the scientific research cost is reduced. The ocean environment and sample collection system based on the merchant ship carrying disclosed by the invention can be widely applied to the field of environmental sciences.

An anti-pirate system for ships mainly comprises a water heater, a water pipe, a valve and a spray nozzle. The water heater can provide scalding hot water; the spray nozzle is arranged at or near the joint of an upper deck and a rubbing strake or fixed outside the rubbing strake and can spray the hot water overboard; the water pipe is used for transporting the hot water to the spray nozzle; and the valve is in charge of control of close and open of hot water flow. The anti-pirate system does not work at ordinary times after being installed on broad, the valve is opened to cause the hot water to be sprayed overboard from the spray nozzle when seeing that pirate ships are approaching, and the sprayed hot water (6) forms a daunting 'protective screen'. Pirates dare not to approach the ship with fear of being hurt by the hot water (6), thereby being unable to board. The system of the invention has low cost and simple installation without undesirable impact on performance and function of the body of ships. Most important of all, the system can get anti-pirate effect instantly without violating relevant international laws. A merchant ship and a civil ship, after applying the invention, can effectively prevent boarding and hijacking of pirates and protect the ships and crew.

The invention provides a ship type identification method of cascade type deep convolution neural network from coarse to fine, This method adopts random heuristic selection mechanism to dynamically adjust the structure and parameter settings of the depth network. The depth convolution neural network which can identify the ship type is trained by two steps of rough training and fine training. The rough training process is similar to the training process of the traditional depth convolution neural network, and the input sample of the training process is the ship picture. In order to improve the overall accuracy of ship type recognition, the depth convolution neural network is trained again in the fine-level training process for the merchant ship images with the lowest ship type recognition accuracy in the rough-level training process. The method of the invention can obtain better identification accuracy for different ship types, and provides information support for automatic ship type identification and intelligent navigation of ships.

The invention discloses a fireworks-type antiriot device, comprising an effect barrel and a launching barrel, and a trip wire friction-type ignition device is adopted, wherein the effect barrel and the launching barrel are both of a tubular structure with one end closed and one end open; the opening ends of the effect barrel and the launching barrel are combined into a whole in the non-fixed connection manner; an inner cavity of the effect barrel is provided with an explosive charge or an inner barrel filled with explosives; effect explosives or effect pieces are filled around the charge or the inner barrel; the bottom ends of the explosives and the effect explosives or the effect pieces thereof are closed through an isolating layer provided with fire passing holes; the trip wire friction-type ignition device is arranged at the lower end of the isolating layer; and the tail end of a trip wire of the ignition device is led out of the antiriot device. The antiriot device utilizes the common shipborne hawser apparatus on the merchant ship as the launcher, can launch to the destination with the distance of 200m in whole launching, has greater deterrent force, can effectively improve the self-rescue capacity of the merchant ship and has simple and smart use, safety and reliability and stable performance.

The invention provides a wired control water life saving apparatus, comprising a life saving apparatus main body, wherein a pusher composed of an electric motor and a screw propeller is installed under the life saving apparatus main body, the life saving apparatus main body is internally provided with a steering engine connected with the pusher, the life saving apparatus main body is connected with a control box of a life saving parent via cables, the cables are connected with each electric apparatus of the life saving apparatus main body, the life saving apparatus main body is provided with a touch switch, the life saving apparatus main body is provided with a directional guard ring, and the bottom of the life saving apparatus main body is provided with a balance weight. The wired control water life saving apparatus in the invention has simple structure, easy processing and low cost, and is mostly characterized in that the speed is improved and the apparatus can be used at places having great wind wave. The invention can be used on helicopter aerial ambulances at sea and flood disaster or river and lake traveling happing inland, and also can be used on merchant ships.

The invention provides a flat type seal device of an underwater mounting azimuth thruster for a ship in the shape of a common merchant ship, such as a drill ship, and a storage method thereof. According to the invention, during watertight operation required by installation of the underwater mounting azimuth thruster, no additional space needs to be formed in the ship and the seal device can be stored easily in an original narrow space. The seal device is characterized by small size and low weight, so that personal casualty accidents and device damage risk during handling can be reduced to a certain extent.

The invention discloses an offshore buoyant raft culture area extraction method based on SAR and optical image fusion. An optical image and SAR image fusion mode is adopted to extract a marine culturearea, a fusion algorithm most suitable for marine culture area extraction is obtained through experiments, and the precision of offshore water area buoyant raft culture area extraction is effectivelyimproved. According to the experimental result, the marine buoyant raft culture range can be accurately defined; the method is beneficial for government departments to more effectively supervise offshore culture areas, standardize the culture density of the culture areas, purify the culture water area environment, relieve the contradiction between the increase of transport ships and the continuous expansion of the culture water area, prevent commercial ships from entering the culture areas by mistake to pollute the culture water area, and ensure the sailing safety of the ships.

The invention relates to the field of ship shipping, in particular to a commercial ship navigational speed optimization method, which is characterized by comprising the following steps of: 1, acquiring real ship monitoring data, voyage data, meteorological data and route data of a commercial ship; 2, respectively establishing relation models of the host rotating speed and the ship navigational speed when the meteorological data exists and when the meteorological data does not exist; 3, respectively establishing oil consumption prediction models with meteorological data and without meteorological data; 4, processing the route data to obtain route segment data; 5, applying the leg data to the relation model of the main engine rotating speed and the ship navigational speed and the oil consumption prediction model; 6, establishing a commercial ship single-voyage total fuel consumption model in combination with the navigational speed planning range and the meteorological data; and 7, optimizing the navigational speed according to different optimization targets to obtain an optimal optimization scheme. The ship navigational speed can be optimized based on different optimization targets, and the navigational speed optimization result is more accurate and reliable.

The invention belongs to the field of ship shipping and relates to an intelligent collision avoidance method for navigation of a commercial ship. The method is characterized by comprising the following steps of: 1, acquiring radar, AIS and electronic chart data; 2, initializing parameters, and judging whether a target enters a detection range or not; 3, judging whether the target is a dynamic obstacle, a static obstacle or a target point; 4, selecting a steering angle; and 5, entering a new iteration after a certain time interval, and repeating the above steps. With the method of the invention adopted, environment information can be acquired in real time, a suggested course can be planned, and navigation decision can be assisted.

Provided is a merchant ship in which the bridge is situated astern in the conventional manner, the deck is not occupied by sailing equipment, ports can be placed freely and unrestrictedly and with noincrease to the burden during loading and unloading, cargo space is not strained by sailing equipment accessories below deck, the view from the bridge is not impeded even if the sail is greatly enlarged, and the use of wind power is promoted to conserve fuel and thus prevent air pollution. The invention is a hybrid ship using wind-powered propulsive force as an auxiliary in addition to a main engine and a propulsion system driven by the main engine, wherein the stern section comprises a tower having living quarters and thereabove a bridge (11) which is a workstation for sea voyaging and piloting, and wherein a sail (30) can be deployed laterally, the sail (30) being able to be retracted into a side-wall section of the living quarters in an airspace above a deck (6) and below the floor surface of the bridge (11), to the side of the living quarters of the tower.

The invention relates to a system of monitoring fishing boats for anti-collision alarm, which is a new system for fishing boats on the sea to monitor the condition of boats around in real time, realize anti-collision alarm and avoid net lost. The information of boats around is obtained by adopting a communication computer in the private communication channel in the fishery of our country and information of boats with an AIS system is received through AIS. The system consists of a reception portion, an input and output interface portion, a data processing portion, a data storing portion and a display portion. Information about fishing boats and merchant ships on the sea is received through the reception interface portion for data analysis and judgment processing through a data processing centre to realize remote control, inquiry and tracking to the fishing boats and merchant ships around. Relevant data such as the sailing direction and speed of the boats is displayed on an electronic sea chart of the computer in real time. Real-time alarm is given to boats in the preset alarm range to achieve the aim of avoiding terrible accidents such as collision and net lost so as to ensure safeproduction and sailing of fishing boats.

The invention provides a merchant ship without ballast water. The overall layout design is applicable to an unmanned ship in the further. The merchant ship without ballast water is an unmanned oil ship without ballast water provided with a deep V-shaped ship body. Due to the fact that a power system of the ship is arranged on the tail, no seaman exits in the ship and no ballast water is used for adjusting the floating states of the ship in different working stations, the ship type is applicable to the unmanned ship, the problem that tail inclination is too large in the empty-ship departure state of the ship is solved, and it can be also ensured that the ship has the good floating state in the full-load departure working condition through computing and checking.

Self-enabled means of sustainable energies generation and storage. Self-sufficiency in conversion of propulsion energies. Decarbonization of the global shipping industry. Empowering the blue ocean fleet of merchant liners with self-created propulsion power. Backed up by grid energy storage systems; and low carbon bunkers. To break free from the shackles of dirty energies; from being slaves of energy poverty. To achieve energy independence! Including: sustainable energies generation systems using wind-sails; pontoons; pliable; flexible semi-solid shrouds; made of plastics; polymers; etc. to capture fluids; channelling it through constricted tunnels to drive wind turbines; tidal turbines; etc. integrated with drones; robotic technologies for conversion into renewable electricity. An extremely scalable system, apparatus, equipment, techniques and ecosystem configured to produce renewable green energy with high productivity and efficiency.

The invention provides a large commercial ship sail and multi-turbine power generation adaptive combined device which is mounted on a bow deck of a large sailing commercial ship and can adapt to the change of the wind direction to realize intelligent switching between wind power generation and sail boosting during sailing of the ship. During wind power generation or sail boosting, the windward state of the device can be adjusted under the rotating action of the hydraulic motor, and maximum utilization of wind energy is achieved. According to the device, the multiple wind turbines are adopted for power generation, the effective recycling area of wind energy can be increased, and the power generation effect is improved. In addition, when the ship sails against the wind, the device can lie down towards the stern under the thrust action of the hydraulic oil cylinder, and extra sailing resistance cannot be generated. The fuel oil consumption of the ship can be reduced, energy conservation and emission reduction of the ship are achieved, and the good practical application value is achieved.

The invention discloses an underway continuous treatment, sampling and multi-parameter water quality monitoring device for seawater. The device is characterized by comprising a seawater flow diverter,a peristaltic pump, a detection tank, sensors, an ion field effect pH meter, an ultraviolet nitrate instrument, a communication antenna, a GPRS data transmission antenna, a positioning communicationantenna, a data acquisition and power control box and a pCO2 pressure divider. According to the method, the real-time property of data is high, labor and time are saved, the maintenance cost is lowerthan that of an in-situ sensor detection method, and data quality is easier to control. The device can be conveniently carried on a scientific research ship, a merchant ship or a fishing boat, so thatmost of global oceans can be covered, and precious data are acquired.

The invention discloses a ship collision early warning method and device based on Beidou positioning. The ship collision early warning method comprises the following steps: acquiring ship information according to a Beidou positioning system; acquiring system ship information according to a ship automatic identification system; comparing the system ship data with ship data to obtain ship information of other ships within a set range around the ship; according to the ship information and the ship information of other ships, determining the nearest meeting distance and the nearest meeting time between the ships; and carrying out collision early warning according to the nearest meeting distance and the nearest meeting time. According to the embodiment of the invention, Beidou satellite data positioning information is adopted, a ship course, a speed, orientation, basic data and other information are combined, track characteristics of commercial ships and fishing ships are analyzed through historical data, and a collision model is established in combination with historical collision events. The Beidou satellite positioning data is used to solve the problem of high sea positioning data, and the accuracy and effectiveness of analysis are enhanced.

The invention relates to an apparatus for acquiring a trace quantity of organic pollutants in a large volume of seawater. The apparatus integrates a filter assembly and a dissolved pollutant enriching assembly, the filter assembly comprises filter units sequentially arranged along the water flow direction, a filter member is arranged between the outlet of a front filter unit and a rear filter unit, a communicating tube is arranged between adjacent filter units, the communicating tube is provided with a stopping device, the stopping device is opened when the pressure in the front filter unit reaches a preset value, and after the filter member of the front filter unit is obstructed, the water flows to the rear filter unit through the communicating tube and finally flows into the dissolved pollutant enriching assembly, so there is no need for a professional personnel to replace the filter member in the acquisition process. The invention also relates to a system adopting the apparatus. The system realizes the automatic switching of above two apparatuses through a controller, so a non-professional personnel can complete sampling by embarking the system on a merchant ship or a fixed platform. The apparatus and the system are suitable for sampling pollutants in water.

The invention relates to a waste merchant ship refit-based intelligent floating photovoltaic power station and belongs to the new energy application technical field. A side surface of the hull of a waste merchant ship which berths at a water surface is provided with a hull solar array and a matched photovoltaic assembly; a side surface of the front part of the cabin of the waste merchant ship is provided with a ship front cabin solar array and a matched photovoltaic assembly; the top of the cabin of the waste merchant ship is provided with a ship top solar array and a matched photovoltaic assembly; three paths of photovoltaic current are inputted into a current converging device at the prow of the ship; current outputted from the current converging device is transmitted over the water surface through a waterproof cable and is inputted into a voltage transformation room and a power supply network on the land; and a ship back cabinet solar array and a matched photovoltaic assembly installed at a side surface of the back part of the cabinet store electric energy in an energy storage battery, supply electric power for a navigation device and supply power to an information system and a traveling device. According to the waste merchant ship refit-based intelligent floating photovoltaic power station of the invention, the waste merchant ship can be refitted into the intelligent floating photovoltaic power station, so that waste can be converted into use things, and good economic and social benefits can be brought.

An integrated underwater vortex propeller. Its main feature is that the dynamic action causes the "blade and blade holder" inside the vortex propeller to rotate, and continuously accelerates and pressurizes the water body in a long-distance and long-term three-dimensional rotation, creating a concentrated speed vortex water flow , by helping the reaction force of the water body to become a novel and powerful propeller. "Blade and blade holder" includes blade, blade holder, propeller outer casing, main shaft, and support, wherein the vortex blade is arranged in a long, streamlined, continuous spiral pattern. Compared with the existing traditional propellers, the rotational force of the blades (including the single-shaft seven-bladed high-bend propeller, and there is still room for development and improvement) is reformed into a completely three-dimensional vortex force, which greatly improves the water quality. reaction force. In the mechanical device, there are various sets of multi-stage transmission gearboxes, bevel gearboxes, and universal joints to realize the installation of multiple sets of vortex propellers, so that the hull can increase the speed of the ship, maneuver freely, advance and retreat quickly, and turn quickly, with high efficiency ( High power conversion rate), low noise (sound), (structure) safe, flexible (driving). Adapt to the needs of various types of hulls (merchant ships, ships, submarines, aircraft carriers, and remote-controlled underwater torpedoes, scout boats, etc.) scales.

The invention belongs to the technical field of ships, and particularly relates to a merchant ship bow wave energy power generation device. The power generation device comprises impellers, transmission shafts, generators, supports and flow channels. When the ship is sailing facing waves or at an obtuse angle with the waves, the sea waves with huge impact force enter the flow channels located on the left side and the right side of a bow, first impellers at inlets are driven to rotate, and first generators are driven to generate electricity through the transmission shafts, so that first-stage energy recycling is achieved; and second impellers at outlets are impacted by seawater flowing along the flow channels, second generators are driven by the transmission shafts to generate electricity, and the second-stage energy recycling is achieved. The device is located above a water line of the ship, the device can absorb energy in seawater for generation and provide partial power of ship navigation, the navigation resistance of the ship can be reduced due to the existence of the flow channels, the energy consumption of the ship is reduced, and the economic benefit of the ship is improved.

The invention discloses a commercial ship distributed energy pre-grid-connection method based on model-free adaptive control, and relates to the technical field of micro-grid control. The method comprises the steps of acquiring three-phase phase voltage of a ship virtual synchronous generator and shore power; performing park change on the three-phase phase voltage to obtain a voltage value under a two-phase rotating coordinate system; calculating the phase difference between the shore power and the ship virtual synchronous generator on line; establishing a virtual power equation between the shore power and the ship virtual synchronous generator; carrying out dynamic linearization treatment and obtaining a data model; calculating a virtual power pseudo partial derivative estimation rate; designing a virtual power model-free adaptive controller; and through model-free adaptive control, improving virtual synchronous generator pre-grid-connection control based on virtual power to realize commercial ship distributed energy pre-grid-connection. According to the invention, the response speed of the commercial ship distributed energy grid connection is optimized, the generation of grid connection impact current when the commercial ship distributed energy is connected to the shore power is improved, and the oscillation problem of active power and reactive power is reduced.

The invention relates to a tug set rescue effectiveness test method suitable for an inland water area. The method comprises the following steps: acquiring a discrete time sequence when a commercial ship and a tug set move; the ratio Ki of the tonnage of the commercial ship to the power of all tugs is calculated, the tugs with the better rescue effect are screened according to the ratio K, and a new tug set is established; ship position information of the commercial ships and the tugs at all moments is obtained through an AIS system, and space-time trajectory three-dimensional models of the commercial ships and the tugs are established according to the ship position information and the time sequence; the Euclidean distances between the commercial ship and the ship positions of the tugs in all other new tug sets at all moments are calculated, the shortest distance between the commercial ship and each tug is calculated, and whether the obtained shortest distance is smaller than the farthest rescue distance S or not is sequentially judged; the number of times that the shortest distance is smaller than the farthest rescue distance in the discrete time sequence is calculated, the proportion that the commercial ship meets the optimal rescue condition in the discrete time sequence is obtained, and tugs with the better rescue condition are screened according to the proportion reference Q; and calculating the percentage D of the total number of tugs with better rescue conditions in the total number of all tugs in the tug group. The test method can be used as an important reference suggestion for scheduling tugs when an accident dangerous case occurs, and is also an effective feedback for the distribution effectiveness of the existing tug groups, so that the tug groups are helped to be adjusted in time or idle tugs are dispatched for standby.

The invention provides a device and method for comprehensively utilizing wind energy on a commercial ship, and the device comprises a rotating column A, a rotating column B, a rotating column C, a rotating column D, a rotating column E, a rotating column F, a rotating column G, a rotating column H, a base, a deformable sail, a platform, a platform support column and a rail. According to the invention, the eight rotating columns are surrounded by the deformable sail, so that the rotary drum sail with a larger size and an approximately circular cross section is formed; Compared with a traditional Magnus rotary drum sail, the deformable sail has the advantages that the thrust generated in unit mass is large, and the utilization rate of wind energy is high. Besides, the deformable sail can deform according to different wind directions; the windward area of the deformable sail can be reduced during windward sailing of the ship, and the problem of large wind resistance of a traditional rotary drum sail during windward sailing is solved; and the diameter of the deformable sail is close to 2 / 3 of the width of the ship when wind comes from a port or a starboard of the ship, so that large Magnus thrust can be generated, ship oil consumption is reduced, and ship energy conservation and emission reduction are achieved.