112 results about "Powered watercraft" patented technology

The invention relates to a ship hybrid power energy management method and device, ship equipment and a medium, and belongs to the technical field of energy management.The ship hybrid power energy management method comprises the steps that operation data of a hybrid power ship are obtained, and a hybrid power ship model is constructed based on the operation data of the hybrid power ship; the operation cost and the pollutant discharge cost of the hybrid power ship are calculated based on the hybrid power ship model, and the comprehensive cost is determined based on the operation cost and the pollutant discharge cost; according to the method, the minimum comprehensive cost is taken as an objective function, constraint conditions are set, and parameters of the hybrid power ship model are optimized by adopting a particle swarm optimization algorithm, so that energy management of the hybrid power ship is realized, and optimal energy utilization is realized.

The invention discloses a comprehensive control system and method for carbon emission of a methanol dual-fuel power ship. The method comprises the following steps: analyzing carbon emission characteristics at different moments by collecting and acquiring sensor data in real time; solving based on the constructed carbon emission optimization model in combination with a particle swarm algorithm to obtain the optimal ship navigational speed, adsorbent circulation rate and methanol fuel injection pressure corresponding to the minimum carbon emission of the methanol dual-fuel power ship; cO2 in tail gas is captured in real time through the ship carbon capture unit, the circulation rate of an adsorbent is adjusted in time according to optimization information of the ship navigation optimization control unit, the circulation efficiency of the adsorbent is calculated according to the carbon emission amount, the adsorbent is updated or replaced in time, and the comprehensive control process of the ship carbon emission is comprehensively evaluated. And comprehensive control of ship carbon emission is realized according to the comprehensive evaluation result. The problem of poor carbon emission control effect caused by insufficient cooperative control of a methanol dual-fuel power ship carbon capture device and a power system is solved.

The disclosed invention relates to an electrically powered watercraft that may include a dynamic weight shifting system for reducing power requirements in operation, an electrical system that provides a first low voltage electrical power mode when stationary and a second high voltage electrical power mode when in motion for increased power and range, and an omnidirectional console for control of the watercraft. The electrical system increases power to the electric motors when the watercraft is in gear, while reducing the power level when the watercraft is not in motion. The omnidirectional control console for operation and control of the watercraft may be responsive to the orientation of the console with respect to the watercraft. This construction allows easy docking and close operation to other watercraft and obstructions.

An electric boat running on land is similar to a boat in water in appearance, is an electric entertainment apparatus, is suitable for being used in occasions such as amusement parks and parks, and is characterized in that the electric boat running on land is realized by utilizing two universal wheels and two driving wheels at the bottom of the boat, and the electric boat is controlled to run in two ways, namely, paddle rowing and supporting rod supporting; according to paddle rowing, paddles on the boat are used for simulating the action of rowing in water to control the boat, the paddles do not make contact with the road surface, only the boat is controlled to go straight, stop, turn left and turn right, power is not provided for driving of the boat, and a gear speed increasing type power generation device is arranged in a paddle assembly. The supporting rod boat supporting means that a matched supporting rod is used for simulating the action of supporting the boat in water to control the boat, the probe end of the supporting rod makes contact with the road surface, the supporting rod boat supporting only controls the boat to go straight, stop, turn left and turn right instead of providing power for driving of the boat, and a resistance type pressure sensor is arranged in a supporting rod assembly.

A hybrid ship propulsion machine includes an internal-combustion-drive propulsion part, a fixing bracket configured to fix the internal-combustion-drive propulsion part to a ship, an electric propulsion part, an elevating device configured to elevate and lower the electric propulsion part; and an attachment bracket attaching the electric propulsion part and the elevating device to the fixing bracket. The elevating device is configured to elevate and lower the electric propulsion part between a position where a second propeller of the electric propulsion part sinks below a water surface and a position where the second propeller comes out of the water surface.

The invention provides a multi-mode whole-ship thermal management system for a hydrogen energy power ship, which comprises a high-temperature cooling liquid loop, a low-temperature cooling water loop, a heat pump loop and an outboard water loop, and is characterized in that the high-temperature cooling liquid loop is connected with the low-temperature cooling water loop and the heat pump loop through a high-temperature multi-flow cooler; the low-temperature cooling water loop is connected with the outboard water loop through a low-temperature cooler; the high-temperature cooling liquid loop comprises a fuel cell stack and a lithium battery, and a first cooling medium of the high-temperature cooling liquid loop cools the fuel cell stack and the lithium battery; a second cooling medium of the low-temperature cooling water loop cools the first cooling medium; the medium of the outboard water loop cools the second cooling medium; the heat pump loop is connected with the living quarter. Through cooperation of the high-temperature cooling liquid loop, the low-temperature cooling water loop and the outboard water loop and addition of the heat pump system, fuel cells, ship motors and other equipment are fully cooled, meanwhile, the cabin refrigerating or heating function is provided, waste heat is stored, and the heat requirement of living quarters is met.

The utility model relates to the technical field of ocean equipment, and particularly discloses a hydraulic system of an embedded plow and the embedded plow, the hydraulic system of the embedded plow is matched with a reversing valve, a balance valve group and a floating valve group through a reversing valve, when a hydraulic control system is in a locking state, an oil path of the floating valve group is not communicated, and the oil path of the floating valve group is not communicated; the balance valve group locks the position of an action piece in the execution piece, so that the action piece is kept at the current position, and at the moment, the jet cutter or the dragging frame is kept in the current locking state; when the hydraulic control system is in a floating state, the balance valve group is not communicated with the oil way, the floating valve group enables the oil way of the first cavity and the oil way of the second cavity of the executing part to be communicated, the acting part in the executing part is in a floating state, and at the moment, the spraying cutter or the dragging frame is in a floating state. When the dragging frame is in a floating state, the angle can be passively adjusted along with the distance between the power boat and the burying plough, and when the jet cutter is in a floating state, the jet cutter can be automatically lifted when encountering an obstacle to avoid the obstacle.

Systems and methods for utilizing nuclear-based marine craft to generate electricity for external or grid usage are disclosed. In accordance with some embodiments, the system may include a nuclear-based marine craft having a propeller shaft and an electrical generator coupled external to the marine craft and configured to transmit generated electricity. In accordance with some other embodiments, the system may include a nuclear-based marine craft having a nuclear reactor and a turbine, a dock or barge having its own turbine and electrical generator, a steam outlet pipe connecting the nuclear reactor to the dock or barge turbine, and a steam inlet pipe connecting the dock or barge turbine back to the nuclear reactor, whereby heated steam from the nuclear reactor spins the dock or barge turbine, which then powers the electrical generator on the dock or barge to generates electricity.

This invention relates to the field of marine propulsion technology, specifically to an auxiliary propulsion structure for electric ships. The structure includes a ship hull, a propeller mounted on the bottom of the hull, and rotating rods fixedly connected to both sides of the hull. An auxiliary propeller is mounted on each rotating rod. Through an idling cooling mechanism, when the water inlet is above the water surface, causing the drive rod to drive the auxiliary propeller to idle, the idling cooling mechanism opens an emergency water path. This allows pre-stored cooling water from the tank to be precisely delivered via drip pipes to the junction of the drive rod and the bearing. This directional dripping forms a water film at the friction interface, providing immediate lubrication and drag reduction, as well as rapid heat absorption and cooling, preventing high-temperature wear, deformation, or sintering of components. Compared to traditional unprotected designs, this mechanism is fast-responding and highly targeted, minimizing damage to core components during idling and ensuring reliable operation of the auxiliary propeller in complex waters.

This invention provides a multi-mode whole-ship thermal management system for hydrogen-powered ships, including a high-temperature coolant circuit, a low-temperature cooling water circuit, a heat pump circuit, and an outboard water circuit. The high-temperature coolant circuit is connected to the low-temperature cooling water circuit and the heat pump circuit via a high-temperature multi-stream cooler, and the low-temperature cooling water circuit is connected to the outboard water circuit via a low-temperature cooler. The high-temperature coolant circuit includes a fuel cell stack and a lithium battery, with its first cooling medium cooling the fuel cell stack and the lithium battery. The low-temperature cooling water circuit's second cooling medium cools the first cooling medium. The outboard water circuit's medium cools the second cooling medium. The heat pump circuit connects to the living quarters. This invention, through the coordination of the high-temperature coolant circuit, the low-temperature cooling water circuit, and the outboard water circuit, and the addition of a heat pump system, effectively dissipates heat from the fuel cell and other equipment such as ship motors, while simultaneously providing cabin cooling or heating functions, storing waste heat, and meeting the heat requirements of the living quarters.

The utility model discloses a plateau lake floating object salvaging device which comprises a power ship, fixing boxes are fixed to the left side and the right side of the tail of the power ship, and salvaging buckets are arranged behind the fixing boxes. In the utility model, a group of fixed boxes and salvage buckets are respectively arranged on the left side and the right side of the tail part of the power boat, and the power boat is started to run on the water surface of the plateau lake, so that the salvage buckets behind the fixed boxes are promoted to take floating objects on the water surface of the plateau lake from salvage openings in the running stage of the power boat, and then the steel meshes at the tail parts of the salvage buckets are used for draining water; in the process, the adjusting hook plate is pushed through the hand lever, a T-shaped sliding strip of the adjusting hook plate is promoted to slide relative to a sliding groove formed in the surface of the salvage hopper, the adjusting hook plate is gradually away from the power ship, the coverage range of the salvage hopper is enlarged, and the salvage comprehensiveness of the floating objects on the plateau lake surface is improved. The problem that a traditional salvage device can only salvage floating objects close to the shore is solved.

Disclosed is an energy-independent smart port system using SMR-based surplus power. When an SMR-powered vessel docks at a port while the reactor is in operation, the energy-independent smart port system uses relevant technology and equipment to supply surplus power from the SMR-powered vessel to the port in consideration of safety regulations and the characteristic that restarting the reactor of the SMR-powered vessel requires significant time and cost, stably increase the energy independence of a smart port, and can reduce marine air pollutant emissions.

The invention discloses an inland wharf hydrogen fuel power-driven ship charging system and method, and the system comprises a plurality of intelligent shore power piles, each intelligent shore power pile is integrated with a communication module, and is used for carrying out the real-time data interaction with a wharf energy management platform; the charging mechanical arm is configured on the intelligent shore power pile, has an automatic cable management function and is used for realizing automatic butt joint and separation with the hydrogen fuel powered ship; and the wharf energy management platform is deployed in a wharf data center, and the wharf energy management platform is in communication connection with the intelligent shore power piles and is used for monitoring the load of a wharf power distribution network in real time and dynamically distributing the charging power of the hydrogen fuel power-driven ships based on power grid security constraints. Joint optimization is carried out based on the mixing characteristics of the hydrogen fuel power-driven ship, the unique dual-energy input characteristics of the hydrogen fuel power-driven ship are tightly combined, wharf energy management is achieved, and important infrastructure support is provided for green transformation of inland river shipping.

The present invention discloses a system-level method for collecting hydrological information from deep-water lakes, reservoirs, and oceans. The system includes a cable that is vertically lowered into a deep-water lake, reservoir, or ocean water body and a hydrographic detector connected to the lower end of the cable. The cable connects a number of submersible pontoons distributed at different depths. The cable includes a number of sections, and a section of cable is connected between two submersible pontoons adjacent to each other. The method comprises the following steps: fixing the hydrographic detector to the end of the cable at the very end, and fixing the other end of the cable to a power boat; lowering the hydrographic detector underwater until each section of the cable is straightened, the hydrographic detector reaches the detection depth, and each glass pontoon reaches its own sampling depth; water enters the glass pontoon, and the water fills the buoyancy chamber; starting the suction pump, and after the hydrographic detector has finished working and the glass pontoon has finished sampling, the cable is pulled onto the boat. The present invention lowers the hydrographic detector to the sampling depth, and simultaneously collects water samples at multiple depths, saving sampling time.

The invention relates to the technical field of green transformation of inland river shipping, in particular to an inland river hydrogen fuel cell power-driven ship technical adaptability popularization method based on a tetragonal evolutionary game, which comprises the following steps: taking a government, a port, a shipping enterprise and the public as core benefit subjects in inland river hydrogen energy power-driven ship popularization, and determining an income selection set of each subject; constructing a subject revenue function based on a tetragonal evolutionary game; based on the subject revenue function, deducing a replication dynamic equation of the core benefit subject, and constructing a tetragonal evolutionary game system dynamics model; setting a first media exposure threshold value and a second media exposure threshold value, and establishing a government regulation intensity regulation and control mechanism; constructing a public feedback layered response mechanism according to the public whistle blowing intensity; and when the income of the core benefit subject reaches an ideal equilibrium state, the government supervision gradient exits, and the technical adaptability popularization of the inland river hydrogen fuel cell power ship is realized. According to the invention, interests of multiple parties can be coordinated, and the promotion resistance of inland river hydrogen energy power ships is relieved.

This invention proposes an icebreaking device, vessel, and method combining jet-resonance technology for ice-trapped vessels, relating to the field of polar icebreaking technology. It addresses the problem of conventionally powered vessels or icebreakers with low ice levels struggling to break through ice in areas with ice thickness greater than 1.2 meters. It includes a hoisting platform, a jet icebreaking module, a resonant icebreaking module, and an attachment stabilization module. The hoisting platform is used for assembly with an external crane. The jet icebreaking module outputs water jets to break the ice. The resonant icebreaking module induces resonance in the ice layer. The attachment stabilization module includes a helical anchor bolt and a power mechanism. The power mechanism drives the helical anchor bolt to rotate relative to the hoisting platform, and the helical anchor bolt drills into the ice surface to fix the hoisting platform. It is primarily used on polar vessels to break through ice and escape when a vessel is trapped.

The utility model discloses an electric ship, including ship body structure, deck structure, ship bottom support structure, power system and advancing system. The utility model connects bridge through rigid connection piece body and two groups of lower piece, and the ship body torsional rigidity and transverse stability are improved obviously, form the low resistance navigation characteristic of catamaran's particularity, and the space utilization rate is optimized through the functional division of the layered arrangement upper deck and lower deck, and the grid skeleton of the ship bottom support structure is embedded, and the lower piece structure strength is strengthened, and the integrated ballast water tank function enhances the ship counterweight adjusting capacity, and the power system passes through the modularization battery pack, and the battery thermal runaway risk is reduced while ensuring the energy supply stability, and the advancing system adopts the combination scheme of sectional flange connection structure and watertight packaging subassembly, guarantees the transmission stability of drive shaft when the ship body deformation, avoids the water seepage into the transmission mechanism, satisfies the torsional deformation and the propulsion efficiency such as ship operation core demand.

The utility model provides a split type marine LNG power fuel tank which comprises a frame, a power fuel tank, a gasifier and a connecting hose, the power fuel tank is fixed in the frame, the frame is detachably fixed on a power ship, a liquid outlet pipe communicated with an inner cavity of the power fuel tank is arranged on the power fuel tank, and the liquid outlet pipe is communicated with the inner cavity of the power fuel tank. The end, away from the power fuel tank, of the liquid outlet pipe is connected with a connecting hose, the gasifier is detachably fixed to the power boat and provided with a liquid inlet pipe communicated with an inner cavity of the gasifier, and the end, away from the liquid outlet pipe, of the connecting hose is communicated with the liquid inlet pipe. According to the marine LNG power fuel tank box, the power fuel tank and the vaporizer are fixed to the power ship and connected through the connecting hose, split type installation and connection of the marine LNG power fuel tank box are achieved, transportation and installation of the vaporizer and the power fuel tank are facilitated, and the marine LNG power fuel tank box is convenient to use. And meanwhile, resource waste caused by inconsistent service life of parts can be avoided, the cost is effectively reduced, and the economic benefit is improved.

A relay type transportation embedded inland river electric cargo ship comprises a power ship, a cargo barge and quick connecting mechanisms connected with the power ship and the cargo barge, and the quick connecting mechanisms comprise longitudinal connecting mechanisms arranged on the bow portion of the power ship and transverse limiting devices arranged on the two sides of the tail portion of the power ship. A U-shaped groove matched with the bow of the power ship in shape is formed in the stern of the cargo barge, so that after the power ship and the cargo barge are connected in an embedded mode, the shape of the inland river transport ship is a complete inland river transport ship, and the whole inland river transport ship has a smooth ship body line type. The power ship and the cargo barge can be rapidly connected and disconnected, the power ship can be rapidly replaced without cooperation of other auxiliary ships, the electricity supplementing time is greatly shortened, and the transportation efficiency is high; a plurality of power ships can push the cargo ship to sail in a relay mode, infinite endurance of the electric cargo ship is achieved, and long-distance transportation is achieved.

The invention belongs to the technical field of ship power generation devices, and particularly relates to a new energy hybrid power ship power generation device which comprises a device plate, an annular guide rail is fixedly connected to the upper end of the device plate, a moving platform is slidably connected to the annular guide rail, and a device box is fixedly connected to the upper end of the moving platform. A wind driven generator is installed at the upper end of the device box, a mounting table is fixedly connected to the center of the upper end of the device plate, a solar panel is fixedly installed at the upper end of the mounting table, and a rotating ring concentric with the annular guide rail is rotationally connected to the upper end of the device plate. The wind driven generator has the advantages that through an innovative mechanical structure and automatic design, the problems that in the prior art, a wind driven generator cannot adapt to the wind direction, and a solar panel is prone to being polluted and frozen are solved, the power generation efficiency and reliability are remarkably improved, and the wind driven generator has the advantages of being compact, intelligent and environmentally friendly and becomes an ideal choice of a new energy hybrid power ship.

An electric powered watercraft includes a board, a battery, a motor, and a controller with an output, wherein an optical waveguide communicates light from the output to a dock of the board.

This invention relates to the field of hydrogen-powered ship design, specifically to a method for assessing the adaptability of hydrogen-powered ship propulsion systems for different navigation domains. The method includes the following steps: rating candidate equipment for key components and constructing an equipment rating table; establishing safety constraints and eliminating candidate equipment that does not meet these constraints; establishing balance constraints and eliminating candidate equipment that does not meet these constraints; establishing a set of candidate propulsion system configurations and determining the score for each configuration; adjusting the weights of each configuration's score to generate a scenario-based index score matrix; calculating the variability and conflict of evaluation indicators and determining the combined weights of these indicators; calculating a comprehensive evaluation index and ranking the candidate configurations to output the preferred configuration. This invention significantly improves the objectivity and efficiency of hydrogen-powered ship propulsion system adaptability assessment, ensures operational safety, achieves accurate adaptability across multiple scenarios, and provides a reliable basis for engineering selection.

A ventilation mast suitable for an ammonia fuel powered ship is characterized in that a combined ventilation mast is composed of a main ventilation mast body and two sets of auxiliary ventilation mast bodies, the two sets of auxiliary ventilation mast bodies are the first auxiliary ventilation mast body set and the second auxiliary ventilation mast body set respectively, the first auxiliary ventilation mast body set is composed of a plurality of first auxiliary ventilation mast bodies, and the second auxiliary ventilation mast body set is composed of a plurality of second auxiliary ventilation mast bodies; the number of the first auxiliary ventilation masts is the same as that of the second auxiliary ventilation masts, the multiple first auxiliary ventilation masts and the multiple second auxiliary ventilation masts are alternately arranged in the circumferential direction of the main ventilation mast, the heights of the multiple first auxiliary ventilation masts are sequentially reduced, the heights of the multiple second auxiliary ventilation masts are sequentially reduced, and in the first auxiliary ventilation mast set, the first auxiliary ventilation mast with the lowest height is higher than the second auxiliary ventilation mast with the lowest height. And in the second auxiliary ventilation mast group, the height is higher than that of the second auxiliary ventilation mast with the highest height. 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.

A large nuclear-powered ship, such as a repurposed aircraft carrier or a large cargo ship, is outfitted with a plurality of large downward-directed subsurface mixer propellers secured on its sides and / or ends. The propellers are positioned below the bottom of the ship and have blade lengths in the range of 10-60 m. They are coupled to the ship's steam turbines by drive shafts and gearing compatible with the required propeller power and rotational rates, typically 25-150 MW per mixer propeller and with blade tip speeds typically around 40 m / s. They produce a large-diameter low-velocity downward plume of surface sea waters below the ship that induces upwelling of cold nutrient-rich deep waters in areas where the cyclone genesis index is high. The downward mass-flow magnitude (typically 3-30 times the flow rate over Niagara Falls, but at only a few m / s) is on the scale needed for a small number of such ships to essentially end cyclone genesis in the Atlantic. At the same time, the induced upwelling of nutrient-rich deep waters is expected to lead to the newly mixed areas becoming highly productive fishing areas.

The present application belongs to the field of ship design, and particularly relates to a guide rail for a nuclear power ship loading and unloading box and a mounting method thereof. The guide rail comprises a plurality of loading and unloading box corner guide rails. The present application has the following advantages: 1) the present application sets the loading and unloading box guide rail to avoid the shaking and impact of the box hoisting on the ship structure; 2) the present application sets the reserved backing plate, rib plate and lining plate to provide support and convenience for the installation of the guide rail, and to avoid the damage of the installation operation to the ship structure; 3) the guide rail design of the present application has high flexibility, and can adapt to different sizes of the loading and unloading box, so that the ship can adapt to the design of different sizes of the loading and unloading box after the change of the years and the innovation of the technology; 4) the mounting scheme of the buffer pad provided by the present application can effectively solve the adverse effects of the falling impact on the safety shell, and the flatness problem of the deck and the box bottom plate, and ensure the operation in a closed environment.

A water transportation structure suitable for a rainwater collection and comprehensive utilization greenhouse comprises a head ship, a tail ship and a plurality of middle ships located between the head ship and the tail ship, the head ship is connected with the first middle ship through a cross shaft universal joint, and every two adjacent middle ships are connected through a cross shaft universal joint. The last middle ship is connected with the tail ship through a cross shaft universal joint, the head ship and / or the tail ship are / is powered ships, and the middle ships are unpowered ships; an annular water storage tank is arranged in the greenhouse, a guide rail is arranged on the inner side of the water storage tank and surrounds the water storage tank, the head end and the tail end of the guide rail are connected to form a closed ring, a guide groove and a passing opening communicated with the guide groove are formed in the guide rail, a plurality of guide wheel assemblies are arranged in the guide groove, and connecting arms of the guide wheel assemblies penetrate through the passing opening to be exposed outside. Limiting ropes are arranged on the sides, facing the guide rails, of the head ship, the tail ship and the middle ships, and the other ends of the limiting ropes are fixedly connected with the connecting arms of the guide wheel assemblies. The structure ensures that all ships can stably run in the reservoir, and the actual transportation requirement is met.

The invention relates to a hybrid power ship energy management optimization method and system. The method comprises the following steps: constructing a logic threshold rule according to a power combination of a target hybrid power ship; establishing an ECMS optimization model of the target hybrid power ship; solving the ECMS optimization model according to a logic threshold rule to obtain an energy management optimization model of the target hybrid power ship under the logic threshold rule; and solving the energy management optimization model of the target hybrid power ship under the logic threshold rule to obtain an optimized energy management strategy of the target hybrid power ship. Compared with the prior art, the energy utilization rate of the ship is improved, the operation cost is reduced, the economic benefit of the ship is improved, and a more efficient and reliable solution is provided for energy management of the hybrid power ship.

The utility model relates to the technical field of control systems, and particularly discloses a front operation control system suitable for a small electric power ship, which comprises a whole ship controller, a key switch, a push rod, a low-voltage power distribution box, a driving motor, a motor controller, a power battery pack, a high-voltage power distribution cabinet, a display instrument, a cooling water pump and a communication wire harness, the key switch is connected to the low-voltage power distribution box and the whole ship controller, and the power battery pack is connected to the high-voltage power distribution cabinet; the push rod and the display instrument are respectively connected to the low-voltage distribution box; the motor controller, the high-voltage power distribution cabinet, the display instrument and the low-voltage power distribution box are respectively connected to the whole ship controller through the communication wire harness, the cooling water pump is respectively connected to the driving motor and the power battery pack, and the cooling water pump is electrically connected to the low-voltage power distribution box. According to the utility model, the electrical architecture design is reasonable, and the front operation control of the small-sized electric boat can be perfectly realized.

The present application discloses a hybrid ship thermal management system and method, which relates to the field of ship power technology and includes a seawater heat exchanger; the seawater heat exchanger is respectively connected to a motor system cooling circuit, a battery thermal management circuit, an engine thermal management circuit and a seawater heat pump circuit; the seawater heat exchanger is used for heat exchange between the heat-absorbing coolant and seawater; the motor system cooling circuit is configured to cool the motor system and heat up the battery thermal management system to provide heat; the battery thermal management circuit is configured to exchange heat with the battery so that the battery is within a preset temperature range; the engine thermal management circuit is configured to exchange heat with the engine so that the engine is within a preset temperature range and provide heat to the battery and the air-conditioning heater core; the seawater heat pump circuit is configured to be able to provide heat for the temperature rise of the battery thermal management circuit and the engine thermal management circuit; it can accurately control each component to operate at the optimal temperature; reduce fuel consumption and emissions.