391results about "Wind acting propulsive elements" patented technology

The invention discloses a ship efficient airfoil sail with a winglet, which comprises a main wing, the winglet, a mast structure, a lifting mechanism, a rotary driving device, an angle adjusting mechanism and an intelligent control system, and is characterized in that the winglet with an adjustable angle is mounted at the wingtip of the main wing, so that the airflow flowing state at the end part of the main wing can be effectively changed, and the airfoil sail can be effectively controlled. Wingtip vortexes are inhibited, and induced resistance is reduced; the angle adjusting mechanism can adjust the angle of the winglet according to the actual wind condition, the induced resistance is effectively reduced, and the overall aerodynamic efficiency of the sail is improved; the sail is automatically adjusted by controlling the lifting mechanism, the rotary driving device and the angle adjusting mechanism. The sail system can improve the wind energy capturing and converting efficiency of the sail, assists a ship in emission reduction and efficiency improvement through wind energy, can adapt to different ship types and navigation working conditions, has the advantages of being reasonable in structure, remarkable in energy saving, wide in application range and the like, has important significance in promoting green shipping development of the ship, and can achieve energy-saving and efficiency-improving green navigation of the ship.

A kite system includes a kite (14), a pod (25), and a line tree (24), where the kite (14) is bonded to the pod (25) by the line tree (24). The line tree (24) includes branch blocks (27, 28). The branch blocks (27, 28) are connected to the pod (25) by control cables (35, 36). The line tree (24) comprises a first cable segment (48) extending between the branch block (27, 28) and a first attachment point (61) of the kite (14). The line tree (24) includes a second cable segment (49) extending between the branch block (27, 28) and a second attachment point (62) of the kite (14). The lengths of the control cables (35, 36) between the pod (25) and the branch blocks (27, 28) are changed by a control mechanism (39). The length of the first cable segment (48) between the branch blocks (27, 28) and the first attachment point (61) is changed by a trimming mechanism (40). The invention also relates to a method for operating a kite system.

A novel rigid airfoil sail having an airflow suction function, the novel rigid airfoil sail comprising a sail body (100); the upper end face of the sail body (100), which is a tubular component, is provided with an end plate (1). Of the side wall of the sail body (100), one side is a sail body protruding face (101) while the other side is a sail body recessed face (102), the sail body protruding face (101) being provided with air suction holes (3), and the end plate (1) being provided with air discharge holes (5). Airflow entering through the air suction holes (3) is discharged through the air discharge holes (5). The air suction holes (3) are arranged at intervals in the horizontal and vertical directions of the sail body recessed face (102). The rigid airfoil sail having an airflow suction function has a simple structure, and the ‌thrust performance of the rigid airfoil sail can be significantly improved, thereby greatly improving energy efficiency.

The invention discloses a control method of a marine wind power boosting rotor, and relates to the technical field of ship energy conservation and control, and the method comprises the steps: determining constraint conditions of marine wind power boosting rotor control; according to the wind power environment parameters, the operation condition of the wind power boosting rotor for the ship at the t moment is determined, and the optimal rotating speed of the wind power boosting rotor for the ship is determined; constructing a target function controlled by the marine wind power boosting rotor, and calculating the optimal rudder angle and the optimal propeller power of the ship when the target function reaches the minimum by utilizing an optimization method according to the optimal rotating speed at the moment t, the rudder angle of the ship, the propeller power, the motion state parameters and the wind power environment parameters; and the rotating speed of the wind power boosting rotor and the rudder angle of the ship are adjusted according to the optimal rotating speed, the optimal rudder angle and the optimal propeller power. According to the method, cooperative improvement of rotor energy efficiency and ship control stability is achieved by controlling boundary constraint and self-adaptive adjustment of a complex wind field.

The invention discloses a ship air sail navigation aiding energy efficiency dynamic optimization method and system and a ship, and relates to the technical field of ship energy conservation. Dynamic parameters in the ship navigation process are collected in real time; establishing a dynamic coupling model; the coupling model is utilized to quantify the dynamic interference of the hull attitude parameters on the air sail state parameters into attack angle offset; a reinforcement learning algorithm is adopted to simulate the attack angle offset, and the optimal attack angle of the air sail is obtained; according to the optimal attack angle and the environmental parameters, target adjustment parameters of the air sail are calculated; and driving the air sail to adjust the sail body rotation angle and the sail surface inclination angle in real time according to the target adjustment parameters. According to the method, the air sails always work in the efficient interval with the maximum lift coefficient and the minimum resistance coefficient, the pneumatic interference model is introduced, the total auxiliary thrust of the multiple sails is improved, the problem that the energy-saving effect is reduced due to dynamic deviation of the attack angle is effectively solved, and the situation that the fuel consumption of a main engine is reduced is stably achieved.

The invention discloses a wind-light wave hybrid drive unmanned ship which comprises a ship body, a sail propelling device, a propeller propelling device, a wave drive device, a solar power supply system and a control module. A solar panel is installed on the ship body and can convert solar energy into electric energy to be stored in a battery. The sail propelling device provides main propelling force for the unmanned ship by means of wind energy; the wave driving device generates propulsive force by utilizing wave energy and has a course control function; the propeller propelling device serves as auxiliary power and provides thrust under specific working conditions. The control module intelligently regulates and controls the working modes of the propelling devices according to the sea condition information based on a reinforcement learning energy management algorithm, and multi-energy cooperative driving is achieved; the unmanned ship solves the problems of single energy dependence, insufficient navigational speed and maneuverability and tedious deployment and recovery of the existing unmanned ship, has the advantages of long endurance, high maneuverability, environmental protection and easy operation, and is suitable for various tasks of ocean observation, scientific research monitoring and military reconnaissance.

To provide a vessel capable of improving propulsion performance of each method when a hull is propelled by a wind power propulsion unit and when the hull is propelled by a propeller.SOLUTION: A vessel 1 comprises: a propeller 12 that generates thrust for a hull 11; and a wind power propulsion unit 10 that propels the hull 11 by means of wind power. Thus, the vessel 1 can propel the hull 11 by the wind power propulsion unit 10 when wind is strong, and propel the hull 11 by the propeller 12 when wind is weak. The hull 11 is propelled toward a bow during machine traveling where the hull 11 is propelled by the propeller 12, and the hull 11 is propelled toward a stern during sailing where the hull 11 is propelled by the wind power propulsion unit 10. In this case, the vessel 1 can be structured so as to suit the machine traveling for propulsion of the vessel 1 toward the bow. The vessel 1 can be structured so as to suit the sailing for propulsion of the vessel 1 toward the stern.SELECTED DRAWING: Figure 3

The invention discloses a sail device and a ship, and relates to the technical field of ships. The sail device comprises a fixed base, a plurality of sub-sail assemblies and an opening and closing driving assembly. The plurality of sub-sail assemblies are circumferentially distributed on the fixed base, and any one of the sub-sail assemblies is arranged in an openable manner; the opening and closing driving assembly is arranged on the fixed base, is in transmission connection with the multiple sub-sail assemblies and is used for driving the multiple sub-sail assemblies to be opened or closed; wherein each sub-sail assembly is provided with a split sail surface, and the split sail surfaces can be spliced to form a complete sail surface when the sub-sail assemblies are opened at the same time. Based on the technical scheme disclosed by the invention, the sail can be quickly retracted and released, time and labor are saved, the sail retracting and releasing convenience can be greatly improved, and the risk caused by untimely retracting and releasing of the sail of the ship can be reduced, so that the sailing safety of the ship is improved.

The utility model relates to a rotary air duct combined with a ventilation mast on a liquefied gas carrier, which comprises a base, a support shaft arranged on the base and an air duct mounted outside the support shaft, the support shaft is connected with the air duct through a bearing, and the support shaft is further provided with a driving device which is in transmission connection with the air duct and is used for driving the air duct to rotate relative to the support shaft; the base is arranged on a deck, and the ventilation mast upwards penetrates through the base and the supporting shaft from the lower portion of the deck and extends out of the upper portion of the supporting shaft. The rotary air duct combined with the ventilation mast on the liquefied gas carrier has the advantages that the rotary air duct and the ventilation mast are combined, the rotary air duct and the ventilation mast are arranged in one space at the same time, and the problem that the space for arranging the rotary air duct is limited due to the fact that a large number of devices are arranged on a deck is solved.

A sail propulsion system comprises, in combination: a base (300), two streamlined aerodynamic flaps (100, 200), each symmetrical with respect to a longitudinal plane and having a leading edge and a trailing edge, and extending vertically from the base, two pivoting flap links on the base, defining pivot axes (A1, A2) parallel to a main axis (A3), a common pivoting link, around the main axis, between the base and a ship structure, the pivot axes of the flaps and the pivot axis of the base being contained in the same vertical plane, a 360° motorized orientation control, capable of bringing the base and flaps into one of the following configurations: - a working configuration where the flaps have initial orientations that are close but different,with leading edges (BA) oriented in a first direction and a gap between the trailing edge (BF) of one flap and the leading edge (BA) of the second flap, - a safety configuration where both flaps are oriented in the same direction, - a space-limiting configuration where the two flaps extend head-to-tail against each other. (Fig. 5),

The present application belongs to the technical field of unmanned sailboat, and particularly relates to a rigid wing sail self-balancing turning sail system of unmanned sailboat, which comprises a main sail skeleton, a main sail shell, a turning sail control box, a tail wing connecting rod assembly, a tail wing main body, a steering engine and a tail wing rope driving assembly. The driving end of the steering engine is controlled to move, and the tail wing main body is driven to rotate through the tail wing rope driving assembly, so as to adjust the deflection angle of the tail wing main body relative to the main sail as a whole, adjust the included angle (attack angle) between the main sail as a whole and the wind, and make the main sail as a whole reach a predetermined attack angle and keep a stable balance state. The mast of the main sail as a whole can rotate freely around the unmanned sailboat body, realizes the rotation decoupling of the rigid wing sail and the ship body, the bow shaking movement of the unmanned sailboat does not affect the attack angle of the rigid wing sail, the tail wing can be regarded as the air rudder of the main sail by adjusting the attack angle of the main sail through the tail wing, and the method makes the main sail attack angle adjustment more efficient and rapid, and reduces the adjustment power consumption.

The present invention relates to a ship propulsion system wherein, when a change in the output of a main engine occurs or is expected, a controller variably controls the power withdrawal force of a shaft generator in a direction in which the change in the output of the main engine is counterbalanced, thereby maintaining the output of the main engine to be smooth, and the main engine's fuel efficiency and power supply stability engine can thus be improved.

To provide a ship and sail structure that reduce costs and allow for easy installation of sails. [Solution] In the vessel 1, the soft sail 40 is installed using existing column members 30 located on the upper deck 19. That is, the soft sail 40 can be installed using the existing column members 30 on the vessel 1 without having to add large sails such as rotor sails or dedicated sail-supporting members such as masts to the vessel 1. Therefore, the cost required to install the sail can be significantly reduced. In addition, by effectively utilizing the existing column members 30, the soft sail 40 can be easily installed. As a result, the position and orientation of the soft sail 40 can be easily changed by effectively utilizing the existing column members 30. Thus, costs can be suppressed and sails can be easily installed.

The application belongs to the field of unmanned sailboat manufacturing, in particular to a lightweight wing sail of an unmanned sailboat and a processing method thereof. The lightweight wing sail of the unmanned sailboat comprises a carbon fiber wing sail shell and a metal framework. The metal framework is arranged at the lower part of the inner cavity of the carbon fiber wing sail shell. The carbon fiber wing sail shell comprises a carbon fiber wing sail shell side piece A and a carbon fiber wing sail shell side piece B. A plurality of hand holes are arranged on the carbon fiber wing sail shell side piece B. The carbon fiber wing sail shell and the metal framework are arranged, and the metal framework is arranged at the lower part of the inner cavity of the carbon fiber wing sail shell. The upper part of the inner cavity of the carbon fiber wing sail shell can be supported by the structure of the carbon fiber wing sail shell itself. The metal framework does not need to penetrate from top to bottom in the carbon fiber wing sail shell. The weight of the entire wing sail can be greatly reduced, the gravity center of the wing sail is lowered, the overall gravity center of the unmanned sailboat is lowered, the rolling stability and the anti-overturning ability of the unmanned sailboat are effectively ensured, and the installation structure is simple and easy to process.

The invention discloses a sailing wind energy rotary sail power intelligent control system. The system comprises a data monitoring unit, a sailing control data unit, a quantification controller and an adjustment execution unit. The data monitoring unit comprises a wind direction sensor, a wind speed sensor and a rotating speed sensor. Wind direction data during ship navigation can be collected in real time through the wind direction sensor, course data monitored by the navigation control data unit during ship navigation are combined and transmitted to the quantization controller to be processed and analyzed, the quantization controller sends out a control instruction while the optimal dip angle parameter is calculated, and the optimal dip angle parameter is calculated. The inclination angle actuator can adjust the rotary sail body to be at the angle with the highest wind energy capturing efficiency according to the control instruction; meanwhile, wind speed data during ship navigation can be collected in real time through a wind speed sensor, and the wind speed data are combined with navigational speed data monitored by a navigation control data unit and transmitted to a quantization controller to be processed and analyzed.

To efficiently obtain thrust through the Magnus effect. [Solution] The wind power propulsion device of the embodiment is a wind power propulsion device installed on a ship that generates propulsion force by receiving wind, and comprises a wind turbine sail body that is rotatable about an axis extending vertically from the hull, and a cylindrical lower cylindrical part provided between the hull and the wind turbine sail body, connected to the lower part of the wind turbine sail body, and rotating integrally with the wind turbine sail body.

To provide a vessel that can navigate in a desired direction solely by the operation of its wind-powered propulsion system. [Solution] The vessel 1 is equipped with a plurality of rotor sails 10 (wind propulsion units) provided on the hull 11. The vessel 1 also generates a turning moment TM (see Figure 2(b)) using the plurality of rotor sails 10. By generating different thrusts in each rotor sail 10, such a vessel 1 generates different moments at each position around the ship's center of gravity G, making the moment unbalanced for the entire hull 11. As a result, the vessel 1 can generate a turning moment TM using the plurality of rotor sails 10 without relying on mechanical means such as propellers or rudders, and thereby perform a turn. Therefore, the vessel 1 can change the direction of the hull 11 to a desired direction using only the plurality of rotor sails 10.

A self-trimming wingsail system, comprising a wingsail body mounted on a mast and configured to rotate freely around the mast, an adjustable tail connected to the wingsail body, and a tail control mechanism configured to adjust an angle of the adjustable tail. The tail control mechanism comprising a motor, and a slidable collar connected to the motor via a collar cable and connected to the adjustable tail via a tail cable. Movement of the slidable collar transmits a linear force via the tail cable to the adjustable tail to adjust the angle of the adjustable tail.

The present invention relates to a sail for boats comprising a sail body (1) provided with a base (2) and fans (3) located on said sail body, wherein the sail body (1) is divided into several sections (4), each section (4) comprising at least one fan (3). Preferably, in each section, at least one fan (3) is located at a distal end with respect to said base (2), and each fan (3) is connected to a ventilation tube (5), which directs the air flow generated by the fan (3) to the outside of the sail body (1) through one or more outlets (6). The invention discloses a sail for boats that improves the aerodynamic efficiency of said sail.

The invention relates to a reefing device (100) for a sail (1) with a free-flying luff (2), which sail is equipped with a head (5) and a tack (6), the device comprising: a hooking system comprising a first hooking device (102) intended to equip a folding surface (Sr) which extends between the luff and a folding curve (Cp) substantially parallel to the luff, the folding curve having a so-called upper end on the head side and a so-called lower end on the tack side; a second hooking device (104) intended to equip another hooking surface (Sa) which extends between the folding curve and a hooking curve (Ca) substantially parallel to the luff, the second hooking device cooperating with the first hooking device; another head (5') attached at the upper end, and another tack (6') being attached at the lower end.

The invention relates to the technical field of unmanned ships, in particular to a solar unmanned ship with a hydro-meteorological intelligent monitoring function. Comprising a solar panel movably installed at the top of a ship body, a meteorological monitoring assembly fixedly installed at the top of the ship body, a hydrological monitoring assembly fixedly installed at the bottom of the ship body, and two symmetrically-distributed supporting plates rotatably installed on the two sides of the interior of the ship body through horizontal hinge shafts. A driving mechanism is fixedly installed in the boat body and drives a tooth groove to be meshed with a gear, a supporting plate is driven to be unfolded to increase the contact area between the boat body and the sea surface, meanwhile, a linkage connecting rod enables a solar panel to be erected to form a sail effect, and the wind wave resistance of the boat body is improved through the dual effects. Therefore, the problems that a lightweight unmanned ship is prone to rollover when encountering stormy waves, and monitoring data are prone to loss are solved.

The present application relates to the field of ship power technology, in particular to a rigid jet sail ship wind propulsion system, comprising a rotating base, a cylinder tower, an aerodynamic function module and a driving and control unit. The aerodynamic function module is the core, containing a wing body and a tail wing, the wing body is fixed to the cylinder tower and reserves an air duct, integrates a fan, and the rear jet port is communicated with the air duct; the tail wing realizes stable rotation through a swing arm shaft, a mounting seat and a spherical fixing seat. The driving and control unit cooperates with a wind direction sensor to accurately control each component. The system can effectively delay the airflow separation of the wing surface, improve the wind energy utilization efficiency, realize the reduction of ship fuel and carbon emissions, and is much better than the traditional technology, and has high structural rigidity, strong fatigue resistance, can lock the tail wing attitude, stable operation, significantly prolongs the service life, and adapts to the energy-saving propulsion needs of various ships.

The invention relates to a quadruple sailing boat (1) for fish farming in open or ocean sea areas, comprising at least one base structure (2), at least one seine (5), at least one driving and accommodation compartment (3), at least one sail system (4) and at least one storage silo (6), all of which are modular and / or detachable. According to the invention, the at least one base structure (2) comprises: at least two main floats (7) which are parallel and spaced apart from each other and are connected or fastened to each other by means of at least one arm (8); and at least two secondary floating bodies (9) adjacent to each of the at least two main floating bodies (7), the perimeter of the secondary floating bodies being smaller than the perimeter of the at least two main floating bodies (7), and the two secondary floating bodies being arranged parallel to each outboard and at a distance from the at least two main floating bodies.

The invention provides a display device and a ship. The display device can easily grasp the condition of the ship. The display device (64) visualizes the operating state of the hull (11) with respect to the environmental information. When the environment such as the wind direction or the wind speed in which the ship (1) is located changes and the action of each device (63) including the wind power propelling part (10) is adjusted accordingly, the display device (64) can correspondingly visualize the action condition of the ship body (11). Therefore, a crew can easily grasp the operation state of the hull (11) by viewing the information visualized by the display device (64). Consequently, the condition of the ship (1) can be easily ascertained.

The invention relates to a telescopic mast device (1) for a sail-powered vessel, the telescopic mast device (1) being erected along a specific elongation axis (O1) and including: - a stationary section (11) intended to be positioned above an upper deck (42) of the vessel; - a plurality of movable sections (10, 10A, 10B) coaxial with the stationary section (11), each upper movable section (10, 10A, 10B)—referred to as upper section (10B)—being slidably mounted in the movable section (10, 10A, 10B), which is directly lower—referred to as lower section (10A)—relative to the specific elongation axis (O1) of the mast; - angular indexing elements (2) configured to constrain a rotation of each upper section (10B) with respect to the lower movable section (10, 10A, 10B) located opposite, relative to the specific elongation axis (O1), the angular indexing elements (2) including at least one indexing shim (22) secured to an upper portion (102) of the upper section (10B), the at least one indexing shim (22) collaborating with at least one indexing rail (21) secured to the lower section (10A) located opposite the at least one indexing shim (22).

The present application provides a kind of water surface garbage collection robot, it is related to robot technical field, including outer bucket, water pump, floating bucket, inner bucket support, inner bucket, water retaining part, floating raft assembly, battery, integrated controller, ultrasonic sensor, sail assembly and water level sensor, the lifting of floating bucket is realized by utilizing the buoyancy of water in outer bucket, the cooperation action of floating bucket and water retaining part, the opening and closing of inlet gap are realized, then the difference between the liquid level in outer bucket is controlled, when water, water surface garbage also follows water and enters inner bucket, the collection of water surface garbage is realized, the water level self-adapting control function in bucket is realized, and the garbage self-adapting collection function is realized.Water level sensor can detect the height of water in inner bucket, when water level reaches the set height, integrated controller controls water pump to start running, and water is discharged to the outside of outer bucket, to realize the active regulation function of water level in bucket.Thereby it has the function of unattended, can reduce the cost of water surface garbage cleaning, improve the efficiency of water surface garbage cleaning.