138 results about "Breakwater" patented technology

The invention relates to a tide level obtaining method and system based on an OWC wave energy conversion device. The method comprises the following steps: constructing an energy loss prediction model in the air chamber; acquiring field incident wave energy, reflected wave energy, water potential energy increment, kinetic energy increment and pneumatic output energy at the current time period; inputting incident wave energy and reflected wave energy into the model to obtain predicted energy loss; and the tide level variation is solved based on the energy conservation relational expression, and the current tide level is calculated. The system comprises an energy loss prediction module, a wave energy acquisition module, a water body energy acquisition module, a pneumatic output acquisition module, an energy loss calculation module, a tide energy solving module and a tide level calculation module, which cooperatively realize the method. According to the scheme, an external tide gauge station is not needed, the local sea area tide level can be inversed in situ, at high frequency and with high precision, the method is suitable for an OWC-breakwater fusion scene, and cooperative operation of a port and ocean energy is supported.

The invention relates to a breakwater structure for wave power generation and a construction method of the breakwater structure. The breakwater structure comprises a lower barrel body, an upper caisson and a power generation device. A compartment is arranged in the upper caisson, and the power generation device is installed in the compartment. A wave inlet hole is formed in the wave facing side of the upper caisson, a cast-in-place adjusting node is arranged on the top of the upper caisson, and a wave wall, a cable pipe trench, a detachable road plate and an overhauling device are sequentially arranged above the node. The breakwater structure and the wave power generation system are integrated by adopting standard barrel type foundation factory prefabrication and floating transportation installation and combining cast-in-place joint leveling and the detachable road plates. The structure has the advantages of being convenient to construct, controllable in cost, stable in structure, convenient to maintain and the like, is suitable for wave power generation under medium and small wave conditions, and is particularly suitable for green power supply and coast protection in areas such as ports and islands.

The invention discloses a semi-cylindrical shell floating breakwater with a multi-stage energy dissipation and vibration reduction and flexible mooring system, and belongs to the technical field of ocean engineering. The breakwater aims at solving the technical problems that an existing floating breakwater is limited in energy dissipation efficiency under the complex sea condition, the overall motion response is violent, and the stress of an anchoring system is too large. The breakwater comprises a floating body unit which is provided with a semi-cylindrical shell and a floating box, and a plurality of rows of wave dissipation holes are formed in the head wave side of the shell; the energy dissipation and vibration reduction system is arranged below the buoyancy tank and comprises a vertical connecting rod, a horizontal through hole vibration reduction heaving plate, a first vibration reduction damper arranged on a section of the vertical connecting rod and a vertical through hole wave dissipation plate; and the flexible anchoring system comprises an anchor block arranged on the seabed, an anchor chain for connecting the anchor block and the floating box, and a second vibration reduction damper arranged on the anchor chain. The breakwater is mainly used for wave protection and energy dissipation in ports, coast and offshore engineering areas.

The invention discloses an elastic Bragg breakwater structure response prediction method, and belongs to the technical field of ocean engineering structure dynamic response prediction, and the method comprises the steps: obtaining the front and rear wave surface elevation and motion response data of a breakwater; a double-flow attention mechanism based on physical prior guidance is constructed, and wave-structure interaction is decoupled into two parallel attention flows of structural dynamic evolution and wave-structure coupling feedback; a self-attention mechanism is combined with a time decay physical prior coding structure motion feature, and a bidirectional cross attention mechanism based on a resonance characteristic is combined with a wave-structure phase relation physical prior coding coupling feature; the double-flow features are adaptively integrated through a global context fusion module, and a multi-step prediction sequence is output through linear layer decoding; and a time-frequency domain joint loss function optimization model is adopted, so that the prediction precision is improved. According to the method, physical prior is explicitly embedded into an attention mechanism and is improved by more than 16% compared with an optimal baseline model, and the generalization ability is enhanced by more than 13% under the working condition that waves do not appear.

The invention provides a permeable breakwater and a design method thereof, and relates to the technical field of permeable breakwater. Aiming at the lack of a design method for high-precision environment coupling and high-accuracy structure stress prediction during design of a permeable breakwater in the prior art, the method comprises the following steps: establishing a wave-structure-foundation coupling model based on structure stress data, environment soil characteristics and a transmission coefficient of waves; s5, selecting a wave-structure-foundation coupling model, simulating different structure parameter combinations based on the wave-structure-foundation coupling model, and when the simulation results do not meet the target requirements, circularly executing the steps S2 to S5 until the simulation results meeting the target requirements are screened out, and determining a corresponding final structure parameter combination. The cooperative working mechanism of the reduction foundation and the pile foundation is realized, the dynamic interaction of the wave load and the structural response is simulated, and the environmental coupling precision and the structural stress prediction accuracy are improved.

The utility model relates to the technical field of ocean engineering, in particular to a double-layer perforated plate flow guide breakwater which comprises a connecting pile and a double-layer perforated flow guide plate. Each connecting pile comprises a pile cap, a pile body and a cattle foot; the two groups of double-layer perforated guide plates are arranged in parallel front and back, each group comprises a plurality of perforated guide plates, each perforated guide plate is provided with a plurality of holes, the perforated guide plates in each group are connected into a whole side by side through the connecting piles, and the connecting piles are positioned on two sides of the perforated guide plates. According to the structure, through the optimized design, the wave dissipation effect and the structural stability of the breakwater are improved, and meanwhile the construction difficulty and cost are reduced. The structure is particularly suitable for ports, wharfs and coastal protection in the marine environment.

This invention discloses a water damping connection device for a floating photovoltaic pontoon breakwater, belonging to the field of marine engineering technology. It includes a water damping mooring device installed at both ends of the pontoon breakwater, with the connection ends of the pontoon breakwater being open. The water damping mooring device includes a water tank, a bottom plate, tie rods, a push plate, and a compression spring. The water tank is open at both ends and installed inside the pontoon breakwater. The bottom plate is connected inside the pontoon breakwater. The push plate is placed inside the water tank, with a tie rod fixedly connected to one end away from the bottom plate. The tie rods at both ends of the pontoon breakwater are connected via universal joints. The compression spring is sleeved on the tie rod, with one end fixedly connected to the push plate and the other end fixedly connected to the opening of the water tank. A check valve is provided on the push plate, controlling the water flow from the bottom plate towards the universal joint side. Through the annular gap design between the push plate and the inner diameter of the water tank, when the wave load increases, the push plate moves to compress the compression spring, and simultaneously, the water flows in the annular hole, generating water damping and effectively attenuating the peak connection force.

This utility model discloses a gravity-interlocked sloping breakwater revetment block structure, belonging to the field of coastal protection engineering technology. It aims to solve the problems of large-mass blocks being prone to fracture due to material strength limitations, and the non-linear increase in material consumption and cost resulting from simply adding weight; and the chain-like instability problem easily caused by two-dimensional interlocking designs under oblique wave action. The gravity-interlocked sloping breakwater revetment block structure includes a central block and corner blocks. The corner blocks are fixedly installed at the top corner of the central block. Embedded bosses and embedded grooves are fixedly installed on the sides of the central block, with the embedded bosses embedded in the embedded grooves. A wave-dissipating protrusion is fixedly installed at the top of the central block, and a gravity anchoring protrusion is installed at the bottom. This utility model increases the overall stability of the revetment block structure, improves the anti-slip coefficient of the revetment block structure, and effectively ensures the high porosity wave-dissipating efficiency of the revetment block structure.

The invention discloses an offshore self-propelled bulwark pipe gallery integrated construction platform, and relates to the technical field of bulwark pipe gallery construction.The offshore self-propelled bulwark pipe gallery integrated construction platform comprises a buoyancy tank base unit which has the self-propelled capacity and can be anchored at a fixed point, and an operation auxiliary unit which can adjust the operation position and conduct auxiliary supporting is arranged on the top face of the buoyancy tank base unit; the buoyancy tank base unit comprises a buoyancy tank, a movable support which is folded and stored is arranged on the bottom face of the buoyancy tank, and a jet propeller which can adjust the jet angle and then change the advancing direction is arranged on the bottom face of the buoyancy tank. By means of the switchable structural design of sailing storage and operation unfolding anchoring, the industrial defects that a floating construction carrier on the sea is greatly disturbed by sea waves, the operation datum is unstable and the anchoring and transition efficiency is low are fundamentally overcome, a buoyancy tank platform which originally floats along with the waves is converted into a rigid stable operation datum which is anchored to the seabed and similar to the land, and therefore the service life of the buoyancy tank platform is prolonged. Core guarantee is provided for precise construction of an upper operation unit, and meanwhile the efficient circulation requirement of multi-section continuous construction is met.

The invention relates to the technical field of edge computing, and particularly discloses a stone breakwater construction equipment group collaborative scheduling method based on edge computing, comprising the following steps: establishing a data transmission relationship; the edge node i is provided with a time window with a preset length; s3, predicting predicted attitude data of the edge node i and all corresponding receiving nodes; s4, calculating an antenna adjustment angle of the receiving node k at each moment; and S5, the antenna angle of the corresponding receiving node is adjusted according to the antenna adjustment angle, and the edge node i transmits the target data to all the receiving nodes in the time window. According to the invention, the cooperative scheduling capability of the stone breakwater construction equipment group in the dynamic marine environment is improved.

This invention discloses an island / reef adaptive system and its installation method, comprising: a floating breakwater energy storage system, an energy storage tank structure, and a control structure. The floating breakwater energy storage system includes a semi-submersible tank, and a first power generation module and a first energy storage device respectively disposed within the semi-submersible tank, the first power generation module and the first energy storage device being electrically connected. The energy storage tank structure includes a water storage tank, an energy storage tank structure body, and a second energy storage device, the water storage tank and the second energy storage device being respectively disposed within the energy storage tank structure body. The water storage tank includes a second power generation module and a water storage tank body connected to the semi-submersible tank, the second power generation module being disposed within the water storage tank body, the second energy storage device being electrically connected to the first energy storage device, and the water storage tank being electrically connected to the second energy storage device. The control structure includes a control center and an intermediate station for connecting the power consumption area and the energy storage tank structure, the intermediate station being electrically connected to the control center. The structural design of this solution effectively improves space utilization efficiency and long-term stability.

This invention proposes an early warning system and method for the impact of ecological submerged breakwaters on nearshore seabed morphology under tsunami wave action. The system includes: a feature extraction module that collects water pressure data inside and outside the breakwater and establishes a high-energy potential difference time window; a potential energy analysis module that retrieves data within the high-energy potential difference time window and performs differential analysis of the vertical gradient to generate the permeability per unit volume of the seabed surface; an erosion analysis module that obtains the loss coefficient and corrects the static critical initiation shear stress to establish a time-evolving erosion resistance threshold sequence; a concealment identification module that identifies concealed scour zones; and a graded early warning module that quantifies and accumulates the surplus characteristics of shear strength in concealed scour zones using sediment transport rates to obtain morphological loss characteristics, performs stability assessment of the breakwater support structure, and triggers graded collapse early warning. This invention achieves the identification and dynamic early warning of concealed scour risks under low flow velocity backgrounds by quantifying soil weakening caused by seepage.

The invention relates to a floating type tourism wharf structure and a construction method and a wave resisting method thereof, and belongs to the technical field of wharf construction. The floating type tourism wharf structure comprises a main floating bridge, a secondary floating bridge, an inner breakwater, a branch floating bridge and an outer breakwater; one end of the main floating bridge is connected with a shoreside through a steel approach bridge, and the other end of the main floating bridge is arranged in the direction away from the shoreside; the secondary floating bridges are correspondingly arranged on the two sides of the main floating bridge; the inner breakwater is arranged at the end, away from the shoreside, of the main floating bridge. Part of the branch floating bridges are located on the side, facing the main floating bridge, of the inner breakwater and arranged in the length direction of the breakwater. Part of the branch floating bridges are arranged in the length direction of the secondary floating bridge and located on the two sides of the secondary floating bridge. The outer breakwater is located on the side, away from the main floating bridge, of the inner breakwater, and a gap is formed between the outer breakwater and the inner breakwater. The outer breakwater blocks and dissipates the sea waves, the remaining sea wave energy is further weakened by the inner breakwater, and therefore the double wave prevention effect is achieved, and meanwhile the secondary floating bridge can also weaken the sea wave energy to continue to be transmitted towards the shore.

An object of a system according to an embodiment is to provide an evacuation route by quickly and appropriately raising a breakwater at the time of an earthquake or a tsunami.SOLUTION: A system includes a collection part, an analysis part, an elevation part, and a provision part. The collection unit collects data of an earthquake or a tsunami. The analysis unit analyzes the data collected by the collection unit. The raising unit raises the breakwater based on the analysis result obtained by the analysis unit. The providing unit determines an appropriate evacuation route from the latest disaster information and an evacuation route database, and notifies the residents of the evacuation route.SELECTED DRAWING: Figure 1

The application discloses a near-shore ship tracking method and device based on multi-source data fusion and a storage medium. The method comprises the following steps: acquiring first radar point cloud data of a wind farm millimeter wave radar, breakwater vibration sensor data, AIS data and second radar point cloud data of a multi-radar station, and processing the data; performing spatial alignment and time alignment on the processed first radar point cloud data and second radar point cloud data, and performing time alignment on the processed AIS data; fusing the aligned data to obtain target state information; predicting multiple states of a ship at a future time based on the target state information, obtaining corresponding multiple predicted trajectories, correcting the predicted trajectories based on a wind farm wake model, and screening an optimal trajectory from the corrected predicted trajectories as a ship track. Thus, the multi-dimensional risk resistance capability can be improved, the safety guarantee is higher, and the supervision efficiency in a complex environment such as a new near-shore wind farm can be improved.

The invention discloses a valve type submerged embankment-offshore wind power-shellfish reef composite coast ecological protection system, which comprises the following steps of: constructing a database by collecting multi-source basic data of a target sea area, and establishing a multi-source ecological protection model by utilizing a submerged embankment wind power coupling ecological response model, a shellfish reef population dynamic evolution model and a wind power ecological stress quantitative evaluation algorithm; protective structure parameters, ecological unit construction schemes and wind power operation parameters are optimized respectively, data are integrated through the composite system catastrophe risk early warning analysis platform, the system state in the extreme environment is simulated, and integrated deployment is implemented after an optimization instruction is generated. The system comprises a multi-source parameter acquisition unit, a submerged embankment wind power collaborative matching unit, a shellfish, algae and fish reef ecological construction unit, a wind power ecological stress regulation unit, a catastrophe risk early warning decision unit and an integrated deployment execution unit, all the units work cooperatively, deep fusion of a protection structure, wind power development and ecological restoration is achieved, and the stability of coast protection is improved.

The application discloses a semi-cylindrical shell floating breakwater with multi-stage energy dissipation and flexible mooring system, and belongs to the technical field of ocean engineering. The breakwater aims to solve the technical problems of limited energy dissipation efficiency, violent overall motion response and excessive stress on the mooring system of the existing floating breakwater under complex sea conditions. The breakwater comprises a floating unit, a semi-cylindrical shell and a floating box, and a plurality of rows of wave dissipation holes are arranged on the wave-encountering side of the shell; an energy dissipation and vibration reduction system arranged below the floating box, comprising a vertical connecting rod, a horizontal perforated vibration reduction heaving plate, a first vibration reduction damper arranged on the vertical connecting rod segment and a vertical perforated wave dissipation plate; and a flexible mooring system, comprising an anchor block arranged on the seabed, an anchor chain connecting the anchor block and the floating box and a second vibration reduction damper arranged on the anchor chain. The breakwater is mainly used for wave protection and energy dissipation in the port, coastal and offshore engineering areas.

The invention relates to the technical field of ocean engineering, and discloses a wave characteristic numerical simulation method and system of a permeable breakwater structure. The method comprises the following steps: firstly, establishing a numerical model of a permeable breakwater structure, including pile foundation arrangement and geometric parameters of a breakwater body; then, wave condition parameters and structure parameters are set, and the structure parameters comprise the pile diameter, the pile distance, the water depth in front of the embankment and the wave overtopping amount; secondly, based on a computational fluid dynamics method, simulating interaction between waves and the permeable breakwater, and calculating a wave transmission coefficient and structural stress; and finally, analyzing the influence rule of each parameter on the wave transmission coefficient, and extracting the structural stress distribution under the wave action. According to the method, the wave characteristics of the open breakwater are systematically researched through a numerical simulation method, the design efficiency is remarkably improved and the physical experiment cost is reduced while the calculation precision is ensured, and a basis is provided for the optimal design of the open breakwater.

The application provides a deep-water breakwater foundation settlement monitoring method and system, and relates to the technical field of ocean engineering. The method comprises the following steps: based on a breakwater design drawing, a plurality of hydrophone nodes are installed in at least two monitoring areas of an underwater foundation and connected to a monitoring host, and an underwater acoustic monitoring network is generated; the network nodes are controlled to synchronously collect underwater sound pressure fluctuation signals, and multi-channel sound pressure signal data is obtained; based on the data, two-by-two cross-correlation calculation is performed on different node channel signals, and a noise interference spectrum is obtained; time delay values and energy values of stable cross-correlation peaks in the spectrum are identified and measured, and cross-correlation function characteristic parameters are generated; finally, based on the parameters, a pre-trained settlement inversion model is used for calculation, and settlement distribution information of the breakwater foundation is generated, so that non-contact, wide-area, continuous and quantitative monitoring of the deep-water breakwater foundation settlement is realized.

1. Name of the product in this design: Shore and seawall wave-dissipating module. 2. Purpose of this design: To be fixed on seawalls and breakwaters to counteract the impact of ocean waves. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The application relates to the technical field of wave energy utilization, and discloses a floating wave energy device and a narrow-slot resonance synergistic method and system of a floating breakwater. The method comprises the following steps: performing frequency spectrum analysis on a narrow-slot wave surface sequence to obtain a narrow-slot wave energy spectrum width parameter and a narrow-slot wave surface amplification factor, and generating a surface type switching instruction according to the comparison results of the two parameters with respective preset threshold values; triggering the rotation of a WEC floater around a vertical shaft according to the surface type switching instruction, interchanging a symmetrical section and an asymmetric triangular baffle section, converting transient hydrodynamic excitation generated in the rotation process into electric energy through a power output device, and obtaining a modal conversion benefit increment; combining the modal conversion benefit increment with the difference between the wave energy conversion efficiencies before and after switching, iteratively correcting the preset threshold value, and obtaining an updated surface type switching instruction generation rule. The application realizes the continuous collaborative optimization of the wave energy conversion efficiency and the wave dissipation performance under wide-frequency changing sea conditions.

The invention discloses a gate control method and device based on a sea sluice control system and electronic equipment, and relates to the technical field of sea sluice control, and the method comprises the steps: inputting the terrain range data of a target sea sluice project and a terrain division grid into a wave forecasting model, performing sea wave simulation on a target position point outside the engineering area based on the weather forecast data in the preset time period by using the wave forecast model, outputting wave sequence data of the target position point in the future preset time period, comparing the wave sequence data with a wave data threshold value to obtain a wave comparison result, and when the wave sequence data is greater than the wave data threshold value, outputting the wave comparison result. A closing control signal is sent to the gate control equipment, and the gate is closed within the specified time period; and when the duration of closing the gate reaches the preset warning duration, an opening control signal is sent to gate control equipment, and the gate is opened. The technical problems that in the related technology, a breakwater is adopted for resisting long-period waves to a wharf, the influence of the waves cannot be eliminated, and the safety of ships in the berth is affected are solved.

This invention discloses a height-variable floating breakwater based on the reuse of waste tires and its operation method. The breakwater includes modules I and III on both sides, and module II sandwiched between modules I and III. Modules I, II, and III all include a float. A water tank is installed at the top of the float, and two or more porous wave-dissipating plates made of waste tires are installed at the bottom of the float. Inlets and outlets are provided on the water tanks of modules I, II, and III. The floating breakwater disclosed in this invention transforms a single unit into three modules, where module II can slide repeatedly up and down between modules I and III, increasing the turbulence of water passing through the floating breakwater and improving its energy dissipation effect.

This invention relates to a tidal power generation revetment reinforcement structure for artificial islands in coastal areas, aiming to solve the industry pain points of poor off-grid power supply stability, insufficient revetment erosion resistance, and low tidal energy utilization efficiency of existing artificial islands in coastal areas. This solution utilizes a sloping breakwater to set up two-level platforms of varying heights, with corresponding closed corrosion-resistant water storage pipelines and cascade generator sets. The water storage pipelines are anchored to the concrete blocks of the revetment, enabling bidirectional cascade power generation from surface water and tidal energy, while simultaneously strengthening the overall integrity of the revetment. In addition, this solution does not require additional marine resources, and its power supply stability is far superior to traditional island new energy solutions, combining outstanding economic and ecological benefits and being suitable for various coastal development scenarios.

The invention relates to an anchoring method of a floating breakwater, and belongs to the technical field of floating breakways.The anchoring method of the floating breakwater comprises the following steps that seabed silt of a sea area to be constructed of the floating breakwater is cleaned, and seabed rocks of the sea area are exposed in seawater; an insertion hole is drilled in the exposed seabed rock, after the hole depth of the insertion hole reaches the preset depth, a grouting pipe is inserted into the insertion hole, and grouting materials are injected into the insertion hole through the grouting pipe; after grouting of the grouting material is completed, the grouting pipe is lifted upwards, then the anchor rod is inserted into the insertion hole, the anchor rod is synchronously rotated in the anchor rod insertion process, and threads on the periphery of the anchor rod are tightly attached to the grouting material in the insertion hole; the floating breakwater is transported to a to-be-constructed position, one end of the rope is connected with the floating breakwater, the other end of the rope is connected with the connecting hole formed in the top of the anchor rod, so that the floating breakwater is fixed in seawater, and the problem that a traditional anchor block is prone to failure due to the fact that the traditional anchor block depends on seabed rock surface friction force is solved.

The invention relates to the technical field of ocean engineering, and particularly discloses an oscillating water column type wave energy breakwater integrated system based on a superstructure. The system comprises a breakwater carrier which is internally provided with a superstructure formed by a plurality of arc-shaped flow guide plates which are coaxially arranged. The superstructure divides the internal cavity of the carrier into a plurality of independent sector-ring-shaped cavities with different radial sizes. The top of each sector-ring-shaped cavity is provided with a cavity top plate and a vent hole, and the vent holes are connected with a turbine generator through pipelines. The breakwater carrier may be designed as a floating structure anchored by a mooring system or as a bottom-seated structure that is directly bottom-seated. Through the superstructure design, a plurality of oscillating water columns with different inherent frequencies can be excited in the system, so that efficient capture and conversion of broadband wave energy are realized. Meanwhile, the wave absorbing performance is effectively improved, and the wave load is remarkably reduced.

The present invention relates to a wave energy conversion device system (1) comprising a fender (10) attached to an offshore artificial structure (M), such as a breakwater / offshore platform / barge / buoy, by a link structure (3), and a direct-drive generator attached to the aforementioned link structure (3) that converts wave motion into clean electricity.

The present application relates to offshore steel pipe pile sinking technology field, specifically relates to a kind of offshore steel pipe pile transport device and transport method, wherein offshore steel pipe pile transport device includes several longitudinal arrangement structural piles, structural pile is equipped with pile track, and the pile track is used for the movement of pile trolley.The present application uses the structural pile that has been completed as pile channel foundation, changes land pile to water pile;Compared with the transport mode of using push fill pile access road and offshore transport ship, the steel pipe pile is transported using the above structure, not disturbed by ground and marine external environment, easy to operate, low safety risk, high construction efficiency, and the state of transport device is stable when lifting pile, solve the offshore pile and pile in the harsh sea conditions under the condition that the effective shelter condition of rear land is not formed under the condition of breakwater construction difficulty.

The invention discloses a wave reduction type offshore photovoltaic array based on a wave reflection principle and a design method, and belongs to the technical field of renewable energy source development. Establishing a cylindrical buoy array frequency domain hydrodynamic model, calculating wave transmission indexes of different parameter combinations in the target wave period range, and determining candidate parameter combinations according to the wave transmission indexes; establishing a structural finite element model of the reflection unit group based on the candidate parameter combination, and performing strength check; a coupling dynamic model of the array structure and the mooring system is established, motion response and mooring stress are calculated, and judgment is carried out based on a preset criterion; outputting a reflecting unit group buoy array parameter combination meeting the requirement; the problem that the engineering construction and operation and maintenance cost is high due to the fact that an existing offshore floating photovoltaic array depends on external wave prevention / wave dissipation facilities in order to reduce the wave action is solved, and reduction of wave loads in the array and improvement of structural economy are achieved on the basis.