2507results about "Auxillaries" patented technology

The invention discloses a marine central air conditioner health management and fault diagnosis system, which relates to the technical field of air conditioner health management and comprises a sensor module, a data acquisition module, a health management module, a fault diagnosis module, a user interface management module, a communication module and a maintenance management module. The sensor module is used for being installed on all devices and pipelines of the central air conditioner through sensors and detecting state parameters of the central air conditioner. The data acquisition module receives analog quantity signals of various sensors. Through cooperative work of various sensors and various functional modules, various parameters of the central air conditioner can be comprehensively monitored, faults including state monitoring and fault diagnosis of key parts such as a compressor, a refrigerant water system and a cooling water system can be accurately diagnosed, the equipment state can be monitored in real time in cooperation with the health management module, and the health of the central air conditioner can be improved. And reasonable maintenance suggestions and decisions can be provided through data analysis and evaluation to prevent faults in advance, so that the reliability and the service life of the equipment are improved.

The invention relates to the technical field of ballast water, in particular to a ship ballast water comprehensive treatment system which comprises a ballast water dynamic adjustment module, a ballast water risk management module, a ballast water safety optimization module and a ballast water ecological monitoring module. According to the invention, by monitoring the key sea condition data and the ship state in real time, the ballast water configuration can be adjusted in real time, and the balance and operation flexibility of the ship can be optimized, so that the ship can be kept stable in a changeable marine environment, the extra fuel consumption caused by improper configuration of the ballast water is obviously reduced, and the service life of the ship is prolonged. Potential risks in ballast water are intelligently assessed through the Bayesian network, the system can early warn the risks in advance and formulate coping strategies, so that the safety of the ship is improved, ecological threats are recognized in time through careful monitoring and analysis of biological and chemical components of the ballast water, the cross-regional spreading risk of pests and pathogens is reduced, and the risk of risk prevention and treatment is reduced. The ecological safety and the biological diversity of the destination water area are effectively protected.

Disclosed is a marine fuel cell-based integrated heat, electricity, and cooling supply system comprising a power supply system and a waste heat recovery system; the power supply system comprises wind turbine generator sets, solar generator sets, and a fuel cell power module; the waste heat recovery system encompasses a turbine power generation module and a lithium bromide refrigeration module; the fuel cell power module is connected to both the turbine power generation module and the lithium bromide refrigeration module; the turbine power generation module is used to generate electricity using waste heat. This approach fully exploits the waste heat from the exhaust gas generated by the fuel cell power module, resulting in a high overall energy utilization rate. The self-consumption electricity and pure hydrogen fuel for the integrated energy supply system can be obtained from solar and wind energy, ensuring low carbon emissions for the entire system.

The invention relates to a marine weather-tight shutter device and a control method. A shutter with an electric control function is installed in the outward direction of a ventilation and heat dissipation opening of a cabin, a shutter with a water leakage detection function is installed in the inward direction of the ventilation and heat dissipation opening of the cabin, and water pressure reducing dustproof cotton is placed between the shutter with the water leakage detection function and the shutter with the electric control function to form the weather-tight shutter device. The water leakage detection module is connected with a water leakage detection cable in the shutter with the water leakage detection function and a PLC module of an electric control system, and the PLC module is connected with a temperature measuring instrument in a cabin and is connected with the shutter with the electric control function through a sensor and an actuator. According to the weather-tight louver device for the ship and the control method, besides conventional rainproof and heat dissipation functions, the functions of dust prevention, louver opening air volume control, water drainage, water leakage detection alarm, temperature detection, detachable maintenance and the like are further achieved, the air volume of a cabin louver opening is effectively increased, and risks caused by water inflow and too high temperature of a cabin are prevented.

The invention discloses a marine sewage treater and a sewage treatment system, and relates to the technical field of sewage treatment.The marine sewage treater comprises a tank body, the tank body is provided with a sewage inlet, a purified water outlet and an oil stain outlet, a center cylinder and a spiral flow guide pipe are arranged in the tank body, and the top end of the spiral flow guide pipe is communicated with the sewage inlet; the bottom end of the spiral flow guide pipe is communicated with the central cylinder, a partition plate is fixedly arranged in the tank body, the spiral flow guide pipe and the central cylinder both penetrate through the partition plate, the partition plate is of a net surface structure, a filler layer is arranged in the tank body and located above the partition plate, and the purified water outlet is communicated with the space below the partition plate. And the oil stain outlet is formed in a position close to the top of the tank body. According to the device, oil stains and other suspended impurities in the flue gas washing water are efficiently and reliably cleaned, and it is guaranteed that the treated water quality meets the emission standard, so that the marine environment is protected.

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.

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.

A sailboat race tracking system includes a race computer and a sailboat computing device authenticated to the race computer. The sailboat computing device transmits position data as a function of time to the race computer. An event organizer computing device sets a race start time and transmits the race start time to the race computer. The race computer receives the position data as a function of time from multiple sailboat computing devices and syncs it according to the race start time. The race computer transmits the time-synced position data of the sailboat computing devices to the sailboat computing devices and spectator computing devices for display.

The invention belongs to an air purification device of ship ventilation equipment in the technical field of ship ventilation equipment. A dust filter screen (130) is installed in the purification box (100), the supporting rod (200) is fixedly installed on the inner wall of the purification box (100), the top of the supporting rod (200) is rotationally connected with a screw rod (210), the top of the purification box (100) is fixedly provided with a motor (220), one end of the screw rod (210) is connected with a rotating shaft of the motor (220), the side wall of the screw rod (210) is in threaded connection with a movable block (230), the side wall of the movable block (230) is connected with a brush (240), and the brush (240) is connected with a brush (240). The brush (240) is attached to the side wall of the dust filter screen (130) in a sliding mode. According to the air purification device of the ship ventilation equipment, it is ensured that air is reliably purified, automatic cleaning and automatic sterilization of the dust filter screen are achieved, the labor intensity of workers is relieved, and the air purification quality is improved.

System for controlling a marine vessel comprising a number of devices, the devices including a number of power generators and consumers, further comprising sensors for monitoring the activity of the devices. The system including at least one processor calculating device score values of the devices and a control unit connected to said devices and being configured to calculate an efficiency score value based on said device score values. The efficiency score value defining the efficiency of the system. The system also calculates the redundancy of the system based on the operation mode and / or load of the devices, and a redundancy margin index indicating the redundancy of the system devices, according to predetermined scores for each operation mode and computing the efficiency and redundancy values.

A shore power connection (20) for supplying a ship, wherein the shore power connection (20) is designed and configured for the electrical connection of the on-board power grid (12) of a moored ship, in particular a container or cruise ship, and a shore-side supply grid (1), as required, in particular for multi-phase voltage supply at at least 6.6 kV or 7.2 kV and / or at at least 2 MVA connected load, wherein the shore power connection comprises a junction box with box walls enclosing an interior space, wherein the junction box comprises at least one plug-in connection unit, in particular a junction box, which is provided on a box wall for detachable plug-in connection with a corresponding plug-in connector part, in particular a plug, of a ship's supply line and is permanently connectable to a supply line of the shore-side supply grid in the interior of the junction box,and- the shore power connection comprises at least one cover part movable relative to the junction box, which, in a first position, at least partially covers the plug-in connection unit and a plug-in connector part pluggable thereto and releases them in a second position for disconnecting or connecting the plug-in connection, characterized in that at least one explosion pressure relief device is attached to the junction box and / or to the cover part, preferably to the junction box and to the cover part, and in that- the explosion pressure relief device forms a predefined relief opening with a predetermined orientation, and- the explosion pressure relief device preferably has at least one guide body, in particular a guide body arrangement, for guiding explosion gases, which arise in the event of an arc explosion, through the relief opening and into an external spatial area.,

A vessel hybrid combined cycle power and propulsion system includes a steam turbine, a gas turbine, an auxiliary generator, an electric propulsion drive system, and an energy storage system, each connected to an AC bus. The system further includes a source of steam for the steam turbine, a control system for controlling operation of the steam turbine, gas turbine, auxiliary generators, electric drive propulsion system and energy storage system. The primary source of steam for the steam turbine is exhaust gas from the gas turbine. The primary source of gas for the gas turbine is boil off gas from the cargo hold. The AC bus includes a plurality of sections of AC bus coupled together by bus ties closed in normal operation forming a closed ring AC bus. The electric propulsion drive system includes a variable speed drive, driving an electric motor coupled through a drive shaft to a propeller.

The ship residential area cabin ventilation system comprises a central air conditioner and a main exhaust pipeline, a plurality of cabins are divided into a clean area, a potential pollution area and a negative pressure area, and a fresh air outlet of the central air conditioner communicates with the clean area, the potential pollution area and the negative pressure area through air supply pipelines connected in parallel. An air return port of the central air conditioner is communicated with the three areas through an air return pipeline, an air detection device and a first electric air brake are sequentially arranged on the air return pipeline in the air flowing direction, an inlet of the main exhaust pipeline is communicated with the air return pipeline, and a second electric air brake is arranged on the exhaust pipeline; the potential pollution area and the negative pressure area communicate with the main exhaust pipeline through exhaust branch pipes correspondingly, third electric air brakes are arranged on the exhaust branch pipes, and the first electric air brake, the second electric air brake, the third electric air brake and the air detection system are in linkage connection through a control system. The ship residential area cabin ventilation system can carry out comprehensive prevention and control, and air in a prevention and control area is prevented from entering a clean area.

A combined ventilation mast suitable for an ammonia fuel powered ship is composed of a main ventilation mast and two sets of auxiliary ventilation masts, the two sets of auxiliary ventilation masts are the first auxiliary ventilation mast set and the second auxiliary ventilation mast set respectively, the first auxiliary ventilation mast set is composed of a plurality of first auxiliary ventilation masts, and the second auxiliary ventilation mast set is composed of a plurality of second auxiliary ventilation masts. The first auxiliary ventilation mast group is composed of a plurality of first auxiliary ventilation masts, the second auxiliary ventilation mast group is composed of a plurality of second auxiliary ventilation masts, the number of the first auxiliary ventilation masts is the same as that of the second auxiliary ventilation masts, the first auxiliary ventilation masts and the second auxiliary ventilation masts are alternately arranged in the circumferential direction of the main ventilation mast, the heights of the first auxiliary ventilation masts are sequentially reduced, and the heights of the second auxiliary ventilation masts are sequentially reduced. And in the first auxiliary ventilation mast group, the first auxiliary ventilation mast with the lowest height is higher than the second auxiliary ventilation mast with the highest height in the second auxiliary ventilation mast group. The staggered lowering mode helps all the auxiliary air outlets to be staggered to the maximum degree in height and angle, so that secondary diffusion of toxic areas caused by pressure difference among all the ventilation pipelines when ammonia gas leaks is avoided.

The invention provides an ice region ship ventilation system and a ship, and relates to the field of ship manufacturing, and the ice region ship ventilation system is characterized in that a first heater is mounted on an exhaust shutter; a second heater is mounted on the air inlet shutter; a steam heater is mounted in a fan chamber of the ship body; an outdoor temperature sensor is installed outside the ship body and used for detecting the outdoor temperature. An air duct temperature sensor is arranged on an air duct for blowing air in the fan chamber and is used for detecting the temperature of the air duct; the controller is connected with the first heater, the second heater and the outdoor temperature sensor; the cabin fan is arranged in the fan chamber, is controlled by the controller and is used for blowing air; the steam heater is connected with the air duct temperature sensor. The temperature requirement of a sailing cabin in an ice region can be met, the anti-icing, demisting and heating effects are remarkable, the system design is relatively simple, and equipment is convenient to arrange and easy to repair and maintain.

A method for harnessing wave energy includes providing a vehicle to a body of water, the vehicle. The method includes submerging the vehicle to a depth in the body of water. The method includes operating the motor-generator of the vehicle in the first quadrant of the motor-generator. The method includes detecting a phase of a wave in the body of water based information from the processor of the detected phase. The method includes orienting the vehicle to lag the phase of the wave based on the detected phase of the wave. The method includes synchronizing an inertial acceleration of the vehicle to movement of the wave. The method includes switching the motor-generator to the second quadrant for generation mode to convert energy from the movement of the wave to electrical energy. The method includes storing the energy from the wave in the rechargeable battery source.

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 power supply and cooling system for a floating structure having a tank, includes a supply circuit having at least one compression device, the supply circuit being configured to supply gas to a gas-consuming device, and a cooling circuit having a heat exchanger configured to participate in managing the internal pressure of the tank, the cooling circuit being connected to the supply circuit on either side of the compression device. The compression device includes two compression stages, and the power supply and cooling system includes a control device configured to connect the compression stages in series or in parallel.

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 outer plate invisible pneumatic air intake and exhaust device which comprises an air intake and exhaust box body, an invisible air intake and exhaust cover, a driving shaft and at least one linkage arm, and the air intake and exhaust box body is provided with an internal space; the hidden air inlet and outlet cover opens an opening in one side of the air inlet and outlet box body through opening and closing. The driving shaft is arranged in the internal space, and one end of the driving shaft rotatably extends out of the intake and exhaust box body; one end of at least one linkage arm enables a movable column on the invisible air inlet and exhaust cover to move along a long hole through the long hole, and the other end of the linkage arm is rotatably connected to the driving shaft. The rotating device is connected with the driving shaft so that the driving shaft can rotate along the axis. Opening and closing of the invisible air intake and exhaust cover are achieved through rotation of the driving shaft, and the technical problem that in the prior art, a ship outer plate invisible pneumatic air intake and exhaust device meeting invisibility and corrosion resistance is lacked is solved.

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 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.