1855results about "Auxillaries" patented technology

A marine AC generator system includes a marine generator driven by an internal combustion engine and configured to generate an AC current and a rectifier configured to rectify the AC current to provide a DC current. At least one battery is configured to receive and be charged by the DC current. A battery powered inverter is configured to be powered by the at least one battery and to generate a variable current output frequency such that an AC electrical power is provided to a load when the marine generator is not running.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

The invention discloses a multi-energy coordination and monitoring platform for offshore oil and gas development, which relates to the technical field of multi-energy coordination and comprises a floating platform main body, and a solar power generation array (1), a sub power generation system (2), a main power generation system (3) and a water turbine cross beam (4) which are positioned on the floating platform main body, the floating platform main body adopts a hexagonal modular structure; the solar power generation array (1) comprises a plurality of monocrystalline silicon photovoltaic panels which are uniformly distributed on the floating platform main body; the sub power generation systems (2) are positioned at six vertexes of the floating platform main body; the main power generation system (3) is located in the center of the floating type platform body. And the water turbine cross beams (4) are uniformly distributed on the periphery of the floating platform main body. By comprehensively utilizing renewable energy sources such as solar energy, wind energy, wave energy and ocean current energy, stable and sustainable energy supply can be provided for the offshore oil and gas platform, and various pain points of a traditional energy supply mode are overcome.

The invention provides an oil level monitoring and leakage early warning system for a hydraulic system of a dredger, which relates to the technical field of hydraulic system monitoring and comprises a hydraulic oil tank, an actuating mechanism assembly connected with the hydraulic oil tank through a pipeline, a data processing unit, a multi-source sensing module, an early warning module and a control module, the multi-source sensing module comprises an integrated liquid level sensor, an actuating mechanism displacement sensor group, an attitude sensor and a temperature sensor, and is used for collecting hydraulic oil level, displacement of each actuating mechanism, ship trim / heeling angle and oil temperature data in real time; the dynamic compensation calculation module is connected with the data processing unit; and the intelligent early warning module is connected with the data processing unit. Normal change and leakage can be distinguished by calculating the oil level change caused by the action of the executing mechanism and the posture of the ship, early warning is conducted in time, pollution and economic losses are prevented, and the situation that when workers inject hydraulic oil, the hydraulic oil splashes, bubbles are generated, and a hydraulic element is damaged can be prevented.

The invention discloses a ventilation and smoke exhaust system for a cargo hold of an automobile transport ship. The ventilation and smoke exhaust system is composed of a cargo hold blower, a cargo hold reversible fan, a cargo hold ventilation device, a cargo hold exhaust outlet, a foam fire extinguishing device, a temperature sensor and a fire alarm device. The smoke exhaust method is achieved through the smoke exhaust system, and the cargo hold air feeder and the cargo hold reversible fan arranged on the system meet the ventilation frequency of the cargo hold loading and unloading working condition required by specifications; when the cargo hold reversible fan is in the reversible exhaust state, the cargo hold blower can meet the ventilation frequency of the cargo hold navigation working condition. The system is controlled by signals of the fire alarm device, when a fire occurs in the cargo hold, fire extinguishing is conducted on the cargo hold through the foam fire extinguishing device, the cargo hold reversible draught fan serves as a smoke exhaust draught fan to conduct smoke exhaust, and smoke exhaust control is conducted through a temperature sensor on an air supply and exhaust pipeline. The fire extinguishing and smoke discharging functions are integrated while the number of ventilation times of the cargo hold specified by the specification is met, the specification requirements of the cargo hold for loading the new energy vehicle are met, and the environmental safety of the cargo hold is ensured.

A system includes a vessel (100) with a cable handling mechanism (114) and an electrical circuit (110), a charging cable (104) with a connector end configured to electrically connect to the electrical circuit (110) of the vessel (100), and an offshore charging installation (102) electrically connected to the charging cable (104) and configured to provide power to the vessel (100) through the charging cable (104). The cable handling mechanism (114) comprises a connector mating mechanism (134) configured to move the connector end with respect to a vessel connector (108) between a disconnected position and an engaged position.

The invention discloses a water robot which comprises a maneuvering body, a power propelling device and an operation function mechanism. The maneuvering main body can float on the water, the maneuvering main body is provided with weight loads which are arranged on the same plane and are distributed in a triangular mode, and the connecting position or the acting point between the operation function mechanism and the maneuvering main body is close to the gravity center position of the weight loads which are distributed in the triangular mode of the maneuvering main body. The problem of inclination or overturning caused by unbalanced stress can be avoided when the water robot executes working conditions such as dragging operation, grabbing operation or fish luring operation, good balance and stability are kept, and it is guaranteed that the operation process is smooth and reliable; more importantly, the operation function mechanism is at least one or a combination of multiple of a dragging device, a grabbing device and a fish luring device, so that the maneuvering main body can select, match and expand the operation function mechanism according to different application scenes, and therefore, the robot further has the characteristics of function expandability and flexibility.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

The invention provides a ship kitchen wet garbage treatment system and method. The ship kitchen wet garbage treatment system comprises a kitchen wet garbage crusher, a vacuum collection device and a storage cabinet. The kitchen wet garbage crusher, the vacuum collecting device and the storage cabinet are sequentially connected through a pipeline; the storage cabinet is connected with a plurality of discharging pipelines, each discharging pipeline is provided with a remote control gate valve, and the discharging pipelines are used for discharging crushed wet garbage to at least one of outboard facilities, shore facilities and other equipment on a ship; smashed kitchen wet garbage is stored on the storage cabinet through vacuum suction of the vacuum collecting device, so that generation of flushing water is greatly reduced, and loads of the sewage treatment device and the degreaser are reduced; and the storage cabinet is connected with a plurality of discharging pipelines, and each discharging pipeline is provided with a remote control gate valve, so that sailors can flexibly discharge the crushed wet garbage according to different sea area discharging regulations.

The invention belongs to the technical field of ships, and discloses a hydroponic vegetable planting cabin for a ship and an ocean polar region ship, the hydroponic vegetable planting cabin for the ship comprises a cultivation system, a nutrient solution circulating system and an air conditioning system, the cultivation system comprises a cultivation pipeline for cultivating vegetables, the nutrient solution circulating system comprises a nutrient solution storage box, a circulating pipeline used for connecting the nutrient solution storage box with the cultivation pipeline and a pump used for driving the nutrient solution to flow, and the air conditioning system is used for controlling temperature and humidity. Vegetables are planted in a hydroponic mode, the requirement for fresh vegetables in long-period navigation is met, on one hand, the hydroponic vegetable planting cabin is arranged at the position close to the waterline of the ship body so that the hydroponic vegetable planting cabin can be kept in a stable state as much as possible, and on the other hand, the hydroponic vegetable planting cabin is arranged on the broadside of the ship body so that the waterline of the ship body can be kept stable. The porthole arranged on the broadside is used for ensuring the incidence of natural light, so that a stable and good cultivation environment with sufficient illumination is provided for the growth of vegetables.

The invention relates to a pay out apparatus (1) for a spatially deflectable line or line guide device (10) for guiding one or more supply lines (3), comprising a delivery unit (30) for paying out and retracting a longitudinal portion of the line arrangement (2) from a storage region (4). The invention also relates to the delivery unit (30) per se for driving the line guide device (10). According to the invention, the delivery unit (30) comprises a drive wheel (32) which has, on the circumference, a number of engagement portions (33) each having at least one force transmission element (34), and the flexible line arrangement (2) has a plurality of projections (12) and / or recesses on the outside that are distributed along at least one longitudinal portion of the line arrangement (2). The force transmission elements (34) of the drive wheel act force-transmittingly together with a projection (12) and / or recess of the line arrangement (2) to deliver or drive the line guide device (10) during paying out and / or during retraction.

An ammonia treatment system according to the present invention comprises: an absorption tower that has a casing, a gas introduction part that introduces an ammonia gas that includes ammonia into the casing, a water sprinkling part that sprinkles water from an upper part of the inside of the casing and thereby absorbs the ammonia and generates ammonia water, and a water discharging part that discharges the ammonia water from a lower part of the casing; an ammonia component removal part that is provided outside the absorption tower and removes the ammonia component of the ammonia water to generate treated water; an ammonia water introduction line that introduces the ammonia water discharged from the water discharging part to the ammonia component removal part; and a first treated water supply line that supplies the treated water generated by the ammonia component removal part to the water sprinkling part.

The present invention relates to an ammonia recovery / discharge system and a control method therefor. The ammonia recovery / discharge system of the present invention is designed for a ship using ammonia as fuel and comprises: an ammonia tank; an engine; a fuel supply unit; a fuel recovery unit; an air supply line; an air discharge line; and a working fluid circulation unit, wherein the working fluid circulation unit comprises an ejector that supplies high-pressure working fluid to circulate air or ammonia in the working fluid circulation unit.

The invention relates to an intelligent ship bathroom system based on artificial intelligence. The intelligent ship bathroom system comprises a bathroom cabin planning module based on whole ship layout and personnel compilation, a use management rule making module based on personnel physiological characteristics, a toilet state indication system module special for commanding personnel, an intelligent function configuration module in a bathroom cabin and a multifunctional design module of cabin materials. The invention relates to a small device and an interactive product module with science and technology and humanized care. Through scientific layout planning, intelligent use management, humanized facility configuration and function design, the problems existing in a traditional ship bathroom cabin are solved, a comfortable, convenient, safe, sanitary and energy-saving bathroom environment is provided for ship personnel, meanwhile, the sense of science and technology and humanized care are highlighted, and the overall quality of a ship is improved.

The invention relates to a shipborne weather radar integrated platform and an installation method, and belongs to the technical field of shipborne radars. A radar system is disassembled into a platform unit, a power cabinet unit and a display control terminal unit through a separated layout; wherein the platform unit adopts a heightened cylinder structure to support a ball cover and an internal phased array antenna, and is combined with a two-degree-of-freedom stable platform to compensate the shaking of a ship body in real time; the power cabinet sinks to a middle-layer deck cabin; the display control terminal is arranged in front of a forecastle deck central control room; in addition, aiming at a closed ball cover environment, an air conditioner internal unit is arranged in a direct blowing device in the cover, an external unit is moved to a lower deck, and accurate temperature and humidity control is realized by matching with a dehumidifier and double-path condensate water discharge. According to the invention, while the radar performance is satisfied, the light weight of the upper part, the system reliability and the maintenance convenience are realized.

The utility model relates to the technical field of seawater pipelines, and discloses a seawater pipeline anti-icing structure of a polar navigation ship, which comprises a seawater tank, a fixed frame is fixedly arranged on the opposite sides of the top and the bottom of an inner cavity of the seawater tank, and a rectangular groove is fixedly arranged on the other side of the inner cavity of the seawater tank close to the bottom. A pump body is installed in an inner cavity of the rectangular groove, the water inlet end of the pump body penetrates through the bottom of the inner cavity of the rectangular groove, a main mixing shaft fixed to the shaft end of a power output shaft of a driving motor can rotate under rotation of the power output shaft of the driving motor, and seawater entering an inner cavity of a fixing frame can be mixed under cooperative use of a plurality of main mixing blades; according to the device, seawater can be uniformly heated, a driving bevel gear can be rotated under the rotation of a main mixing shaft, an auxiliary mixing shaft can be rotated under the cooperative use of a driven bevel gear, a plurality of auxiliary mixing blades can be further rotated, crushed ice on the water surface in an inner cavity of a fixed frame can be stirred, and the melting efficiency is improved.

An ammonia abatement system includes: a gas flow line through which a purge gas containing ammonia and an inert gas flows; a dilution tank in which an absorbing liquid capable of absorbing the ammonia is stored, and that is capable of temporarily storing the purge gas that is supplied from the gas flow line; a sending line through which a gas in a gas phase in the dilution tank is capable of being sent to an outside of the dilution tank; an abatement device that is connected to the sending line and detoxifies the ammonia contained in the gas that is sent through the sending line; a flow rate adjustment valve that is provided in the sending line; and a control device that controls an opening and closing operation of the flow rate adjustment valve, in which the control device causes the flow rate adjustment valve to transition from a closed state to an open state when ammonia concentration of the gas phase in the dilution tank, in which the purge gas is temporarily stored, falls below a predetermined value.

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

The present invention provides an arrangement structure of a fuel tank for cabins of a ship and electric propulsion, comprising: an electric propulsion system (110) which is arranged in an engine room (111) and provides power produced by a gas turbine (112) as a propulsion force to an electric propulsion motor; a first liquefied gas storage tank (120) which is arranged in a cargo section (A) and supplies a first gas fuel to the gas turbine (112); and a second liquefied gas storage tank (130) which is arranged in a bow section (b) and supplies a second gas fuel to the gas turbine (112), to thereby secure safety and an extra space in the engine room through the arrangement of the second liquefied gas storage tank (130) in the bow.

The application provides a wharf shared shore power equipment, which comprises a shore power box, the shore power box is installed at the edge of the wharf, the power output end of the shore power box is connected to a charging socket and a plurality of charging piles in parallel, the plurality of charging piles are arranged on the inner side of the shore power box, the charging socket is arranged on the outer side of the shore power box in an upwardly inclined manner, the outer side of the shore power box is fixed with a protection pipe body, the protection pipe body is arranged in parallel outside the charging socket, the protection pipe body extends upwardly and outwardly to the top of a ship in a berthing state, and a shore power assembly is installed on the ship. The power supply of the shore power box can not only be supplied to the shore power assembly on the ship, but also to each charging pile, so that the use requirement of the automobile on the shore can also be met, and the protection pipe body and the plugging assembly can protect the charging gun, the charging socket and the cable in the charging state.

The invention discloses a large-scale cruise ship water chilling unit pipe network cold storage intelligent energy-saving control method based on double-layer deep reinforcement learning, which comprises the following steps: 1, carrying out inherent cold storage engineering modeling on a chilled water pipe network of a water chilling unit to obtain an energy balance relationship between equivalent cold storage capacity and cold release sustainable time of the pipe network and bearable cold capacity; the relationship is used as a physical prior to introduce strategy learning and a security boundary; 2, constructing a double-layer deep reinforcement learning architecture; 3, a safety layer is additionally arranged in the double-layer deep reinforcement learning architecture, the safety layer cuts and projects output feasible regions of a target layer and a sublayer through a hard constraint and barrier mechanism, the water supply temperature, the temperature difference, the start-stop interval, the condensation temperature and the power change rate are ensured, and the maritime affair safety requirement is met; and 4, on the basis of a pipe network inherent cold storage model, a double-layer deep reinforcement learning framework and a safety layer, peak load shifting control of low-load cold charging-high-load cold discharging is achieved, and unit cold energy consumption of the water chilling unit is reduced.

The invention discloses a control method of an LNG (liquefied natural gas) ship isolation void modularized heating structure, which comprises a module frame, a main heater, a standby heater, an auxiliary heater and a heating coil, and is characterized in that the module frame is arranged in a motor chamber which is originally used for placing a compressor motor; the main heater, the standby heater and the auxiliary heater are all fixed on the module frame, the heating coil is fixed in a cabin of the isolation void cabin, and a plurality of temperature sensors are fixed on the front cabin wall and the rear cabin wall of the isolation void cabin. The isolated void modular heating structure is arranged in the compressor motor chamber, the heating coil is arranged in the internal space of the isolated void, and the heating medium conveying pipeline of the isolated void modular heating structure is connected with the heating coil, so that gas in the isolated void can be heated; condensate water is prevented from being formed in the isolation void cabin, material performance reduction caused by low temperature is avoided, and therefore the integrity of the ship structure is guaranteed, and ship navigation safety is guaranteed.

The utility model discloses a composite cabin ventilation system meeting dynamic positioning redundancy requirements, which comprises an exhaust shutter, an air inlet shutter and a fan which are positioned in an upper cabin, a structural air duct positioned in a middle cabin and a diesel generator set positioned in a lower cabin, and the air inlet shutter, the fan, the structural air duct and a cavity of the lower cabin are sequentially communicated. The cavity of the lower-layer cabin is communicated to an exhaust shutter through a chimney; and an air brake for controlling the ventilation quantity is arranged between the fan and the structural air duct. According to the utility model, a water cooling mode is utilized to completely replace the heat dissipation air volume of a main part during the design of a conventional cabin ventilation system, and the discharge capacity of a ventilation fan and the size of an air duct are reduced. The internal circulation cooling jet fan does not need to be started, normal operation of the ship can be guaranteed through the frequency conversion fans with the small number and power, and energy conservation and emission reduction are achieved. All the frequency conversion fans and the internal circulation cooling jet fans can work at the same time, the use requirements of tropical areas under extremely hot working conditions are met, and the working condition adaptability of ships is improved.

The invention discloses a marine energy-saving variable air volume indirect type air conditioner, and relates to the technical field of air conditioning systems, the marine energy-saving variable air volume indirect type air conditioner comprises an air conditioner assembly, the air conditioner assembly comprises an air conditioner shell, one side of the air conditioner shell is fixedly communicated with a fresh air pipeline, and an air return opening is formed in the position, close to one side, of the top of the air conditioner shell. According to the marine energy-saving variable-air-volume indirect type air conditioner, by starting a multi-stage electric push rod, a piston plate is driven to extrude a citric acid solution forwards into a return air inlet pipeline and a fresh air inlet pipeline, in the air inlet process, the citric acid solution can enter the heat exchanger body in air flow, descaling is conducted on the pipeline in the heat exchanger body, and the heat exchange efficiency is improved. Citric acid has good chelation ability and can generate chelation reaction with ions such as calcium and magnesium in incrustation to form a water-soluble complex, so that the purpose of removing the incrustation is achieved, and the citric acid has low corrosivity to stainless steel due to weak acidity.

The invention discloses an underwater robot multi-source energy system and an energy management method, and relates to the technical field of underwater robot energy, and the system comprises a lithium ion battery which is directly connected in parallel with a DC bus; the super capacitor is connected to the direct current bus through the bidirectional DC / DC converter; the flexible power generation module is used for capturing water flow disturbance and mechanical vibration energy in the environment where the underwater robot is located; the propelling kinetic energy recycling unit has a driving mode and a power generation mode and is used for recycling kinetic energy in the propelling and braking processes of the robot; the battery management system is used for monitoring the voltage, the current, the temperature and the SOC state of each energy unit in real time and executing an energy distribution strategy based on multi-source information fusion; wherein the battery management system communicates with the bidirectional DC / DC converter through a CAN bus, and cooperatively controls an energy flow path. The method has the advantages that the energy utilization efficiency is improved, the dynamic response capability is enhanced, and the cruising ability is prolonged.

The invention belongs to the technical field of ships, and discloses an oil tank ventilation system and a ship. The oil tank ventilation system comprises first ventilation branch pipes, a first ventilation main pipe, an overflow box and a second ventilation main pipe, all the oil tanks are connected with the first ventilation branch pipes, and the first ventilation branch pipes of all the oil tanks are arranged in parallel and connected with the first ventilation main pipe. The first ventilation main pipe is connected with the overflow box through the discharge pipe, the installation position of the overflow box is lower than that of the first ventilation main pipe, the overflow box is connected with the second ventilation main pipe, the upper end of the second ventilation main pipe extends to the position above the ship main deck, and the ventilation cap is arranged at the upper end of the second ventilation main pipe. Design efficiency is improved, interference risks are reduced, materials such as pipes and ventilation caps are effectively saved, and effectiveness and safety of a ventilation system are improved.

A method for maintaining a marine vessel at a target position in a body of water, the method being carried out by a processing system and including: estimating at least one roughness condition of the body of water based on measurements related to an attitude of the marine vessel; calculating a desired linear velocity based on a difference between an actual position of the marine vessel and the target position; filtering an actual linear velocity of the marine vessel based on the roughness conditions; and operating a propulsion system of the marine vessel to move the marine vessel to minimize a difference between the desired linear velocity and the filtered actual linear velocity. A method for maintaining a marine vessel at a target heading in a body of water is also disclosed.

The invention relates to the technical field of ship power systems, in particular to a ship photovoltaic power generation system which can generate electric energy through a solar photovoltaic panel and provide energy for loads such as an air conditioner in a ship cab. According to the system, an efficient power conversion and compensation mechanism is designed, stable operation of the photovoltaic power generation system is ensured, and the problem of continuous working of a load is solved. According to the specific technical scheme, the photovoltaic power generation module comprises a plurality of photovoltaic panels which are connected in parallel; the double-module storage battery comprises a first power storage module formed by an energy storage battery and a second power storage module formed by a capacitor bank; the double-module storage battery is in circuit connection with the photovoltaic power generation module and the ship self-power-generation system. The ship self-power-generating system forms alternating current through ship power; and the intelligent controller comprises an inverter, a rectifier and an operation module.

A pressure control system according to a fifth embodiment of the present invention comprises: a liquefied carbon dioxide storage tank (110) for storing liquefied carbon dioxide; a pressure discharge unit (160) for preventing damage to the liquefied carbon dioxide storage tank (110) due to excessive pressure caused by boil-off gas inside the liquefied carbon dioxide storage tank (110); and a gas supply unit (190) for supplying, to an air lubrication system (ALS) or a ballast water treatment system (BWTS), the vaporized carbon dioxide having passed through the pressure discharge unit (160), and thus the boil-off gas is to be utilized in many ways in a ship.

The invention provides a ship waste heat recovery and reutilization system. The ship waste heat recovery and reutilization system comprises a waste heat collection unit and a solar energy collection unit, wherein the solar energy collection unit and the waste heat collection unit form a photo-thermal-waste heat complementary energy supply network; the thermal energy conversion unit adopts an ORC system; the energy storage unit, the heat energy utilization unit and the optimization control module are configured to monitor system operation data in real time, identify a low-efficiency operation state in which the waste heat recovery rate and the electric energy conversion efficiency do not reach a preset threshold value, and dynamically adjust key parameters of each unit based on a low-efficiency alternative solution corresponding to the operation state in an algorithm; the wide-range load fluctuation of the marine main engine is adapted, and the comprehensive benefit maximization of the system is realized; the adjustment mode comprises the following steps of: randomly disturbing the low-efficiency alternative solution by taking the median of the current population as a benchmark, and separating from local optimum; and determining the search direction based on the preference weight of the optimal alternative solution in the population, and finely adjusting the parameters through the local search of which the search range shrinks along with iteration.