60 results about "Sea breeze" patented technology

The invention relates to the technical field of water optical buoys, in particular to a water optical buoy for monitoring and early warning of environment-friendly disasters in extensive water areas, which comprises a buoy body, a tower and an underwater long rod frame, one side of the buoy body is connected with an optical floating ball through a floater rope, and the underwater long rod frame is rotatably mounted at the bottom of the buoy body. Three groups of optical mounting frames with different lengths are mounted on the outer side of the underwater long rod frame at equal intervals, three groups of underwater hyperspectral radiometers are fixedly mounted at one ends of the three groups of optical mounting frames with different lengths respectively, and damping blades are fixedly mounted at the bottom end of the underwater long rod frame; the ocean optical buoy and the floating ball anchor system are matched for use, single-point or more-three-point anchoring is arranged, and different anchor system schemes are selected according to water depth differences, so that the posture of the buoy in water is more stable, the influence of waves and sea wind on measured data is reduced, the posture inclination angle change of the buoy is reduced to the maximum extent, and the measurement accuracy is improved. And high-precision water quality optical measurement is ensured.

The invention discloses an electric power system optimization scheduling method and system based on sea-land wind power cooperation, terminal equipment and a storage medium, and belongs to the field of electric power system scheduling. A final lag period is accurately determined through alignment calculation of the minimum path accumulation distance, an association rule base is constructed, the sea-land wind power association space-time dynamic characteristics are effectively captured, and the problem that the sea-land wind power space-time dynamic characteristics are ignored in the prior art is solved; generating joint output data according to a rule base and current data, inputting a model to generate a prediction scene, and clustering to obtain a typical scene set, thereby improving prediction accuracy; based on a typical scene set, a system operation cost minimization objective function and constraint condition solving are combined, and a unit scheduling strategy of each scene is determined, so that the strategy is more accurate, and the problem of inaccurate scheduling strategy caused by neglecting of space-time dynamic characteristics associated with sea-land wind power in the prior art is solved.

The invention relates to the technical field of offshore wind power engineering, in particular to an offshore wind power anti-scouring device which comprises a sea wind pile foundation, an anti-scouring cover, an energy storage assembly and a water spraying assembly. The energy storage assembly is arranged on the anti-scouring cover and used for converting water flow energy into electric energy, the water spraying assembly is connected with the energy storage assembly, and the water spraying assembly sprays water in the water flow direction; mechanical energy of tidal currents and waves around the sea wind pile foundation is converted into electric energy, then the electric energy is converted into water flow opposite to the tidal currents and the waves for energy dissipation, the design is ingenious, and the engineering feasibility is high.

The invention discloses an offshore wind turbine supporting structure and an offshore wind turbine thereof, and relates to the technical field of offshore wind power equipment installing.The offshore wind turbine supporting structure comprises an installation platform, a rotating force unloading protection mechanism is arranged above the installation platform, and two sets of wind guiding mechanisms are symmetrically distributed on the installation platform; the rotating force unloading mechanism protection mechanism comprises an outer rotating cylinder and an inner fixing cylinder, and the bottom of the outer rotating cylinder is connected to the top of the mounting platform through a bearing. According to the offshore wind turbine supporting structure and the offshore wind turbine thereof, in the using process of the offshore wind turbine, when sea wind impacts the connecting position of the tower barrel body and the inner fixing barrel, the sea wind impacts the outer rotating barrel firstly, wind power drives the outer rotating barrel to rotate, and in the rotating process of the outer rotating barrel, the outer rotating barrel is driven to rotate; and the rotary sliding block slides in the annular limiting groove, so that the force unloading spring is compressed, the first weakening of the wind impact is realized, and the effect of reducing the influence of the wind impact on the mounting firmness of the tower drum body is achieved.

The invention relates to an active support method and device for a grid-connected system under a power grid fault and a storage medium, and belongs to the technical field of smart power grids. According to the invention, when the power grid generates the symmetric fault, the optimal short-circuit current control point is utilized to re-assign the d-axis current reference value and the q-axis current reference value, the short-circuit current response characteristic of the receiving-end converter station to the power grid fault is changed, and the problems that the sea wind-flexible direct current grid-connected system cannot provide voltage support for the power grid and cannot provide voltage support for the power grid are effectively solved. Active power can be continuously output to the power grid, and the problems of frequency stability and synchronous stability are caused; when the power grid generates an asymmetric fault, the converter station actively absorbs negative sequence current to provide active support for the power grid, the unbalance degree of a fault point is reduced, and meanwhile, the positive sequence voltage support capability of the power grid is reserved; the short-circuit current bearing capacity of the flexible DC converter station is improved, and the power grid supporting capacity of the sea wind-flexible DC grid-connected system is improved on the premise that the fault ride-through performance is guaranteed.

The utility model provides an in-ship ventilation device for a tourist ship, and relates to the technical field of in-ship ventilation, the in-ship ventilation device comprises an air blowing cylinder with a built-in fan, the air inlet end of the air blowing cylinder is provided with a connecting frame, the connecting frame is internally provided with two symmetrically distributed filtering pieces, the surface of the connecting frame is rotatably connected with a hollow column in a penetrating manner, and the hollow column and the air blowing cylinder are coaxially distributed; the two ends of the hollow column are located on the two sides of the connecting frame respectively and provided with an outer cover and an inner cover respectively, the inner cover is located between the connecting frame and the draught fan, and a shower head used for reversely flushing and drying the filtering pieces is slidably installed in the inner cover. The other filtering piece is used for filtering sea wind, it is guaranteed that the sea wind is continuously treated and conveyed, and air circulation in a cabin is not affected.

The invention discloses a near-shore wind field refined modeling method and device based on mask difference correction, and relates to the technical field of offshore wind power data, and the method comprises the steps: obtaining the topographic data and meteorological data of a near-shore region, and constructing an initial wind field grid; and extracting terrain complexity and meteorological activeness indexes corresponding to each grid node from the constructed initial wind field grid based on a quantum derivative clustering algorithm, and generating an error correction field of an atmospheric boundary layer physical rule based on a conditional generative adversarial network. The method is based on quantum derivative clustering and tunneling effects, can accurately identify discontinuous disturbance boundaries such as sea and land frontal surfaces and island wake flow regions, can clarify the range of a disturbance frequent region, can realize targeted correction, can improve the precision of a high disturbance region, can reduce redundant calculation of a low disturbance region, can balance the precision and efficiency, can cooperate with quantum tunneling constraint cross-scale data continuity, and can improve the accuracy of the disturbance region. And the engineering application efficiency is improved.

The invention provides a control method of a sea wind flexible direct current power transmission project. After fault signals of the land connected transformers are received, the maximum transmittable power is determined according to the number of the remaining land connected transformers, working condition grades are divided according to overload conditions, and data support and decision basis are provided for follow-up control; the maximum transmittable power smaller than the actual power of the current land station is transmitted to an automatic power generation control system of the offshore station, limited power control is triggered, power input is reduced from the source, and the situation that the power continuously exceeds the bearing capacity of a land connection transformer is avoided; and cutting off the offshore connection transformer of the offshore station according to a cutting mechanism corresponding to the working condition grade, further dynamically adjusting the output of offshore power generation power, and reducing the overall power transmission load of the system. According to the scheme, grading and classification protection of transmission power of the land connection transformer is achieved in an all-around mode, system faults caused by overload are effectively prevented, safe and stable operation of a sea wind flexible direct current transmission project is guaranteed, and system operation reliability and stability are improved.

This is a club head for ground golf. It was created with the Sea Breeze Hill Ground Golf Course, located in Tomari Village (now Yurihama Town), the birthplace of ground golf, as its motif. The contours of the head represent the hilly terrain of the cape, and the design is inspired by the gentle natural shape. The cavity on the back of the head is designed as a three-tiered cavity, symbolizing the three terraced courses, sea breeze, and waves of the Sea of ​​Japan that are characteristic of the ground golf course.

The invention discloses a multi-mode-based obstacle avoidance and path planning system for a wind power special vehicle, and the system comprises a wind power transport vehicle which is used for transporting wind power blades; the detection system is used for detecting the condition of a transportation path through laser measurement, ultrasonic detection and an image acquisition multi-mode sensing system, and assisting in path planning and obstacle avoidance of the wind power transportation vehicle; and the general control system dispatches the detection system, detects the transportation path condition and the obstacle condition through the detection system, plans the wind power blade transportation path of the wind power transportation vehicle according to the path condition and the obstacle condition, and guides the wind power transportation vehicle to transport. The system has the advantages that the transportation path condition and obstacles are detected through laser measurement, ultrasonic detection and image acquisition multi-mode perception pre-detection and auxiliary real-time obstacle avoidance, intelligent dispatching of wind power transportation vehicles is carried out, obstacle avoidance is reliable, the construction transportation efficiency of land and sea wind power blades is improved, and power is supplied to new energy system vehicles through solar energy.

The invention discloses an offshore wind power transmission dry-type transformer, which belongs to the technical field of transformers and aims to solve the problems of weak sea breeze erosion resistance, poor heat dissipation effect and high noise in the existing offshore wind power transmission dry-type transformers. The transformer comprises an iron core, a clamp for fixing the iron core and a coil wound around the outside of the iron core. The outside of the iron core inside the coil is wrapped with heat shrinkable tapes distributed up and down, flame-retardant glass angle steels are installed at the four corners of the iron core outside the heat shrinkable tapes, an NHN flame-retardant insulation layer for completely wrapping the iron core is arranged outside the flame-retardant glass angle steel, and the iron core and the coil are treated with corrosion prevention. Since the iron core and the coil are core components of the transformer and are also areas prone to failure due to sea breeze erosion, the iron core and the coil are wrapped with resin, thereby making them have very high corrosion resistance, thereby ensuring the stability and safety of operation and extending the service life.

The invention discloses an intermediate frequency sea wind flexible direct current converter valve control method and system based on hot spot migration trajectory prediction, and the method comprises the steps: carrying out the intermediate frequency carrier phase alignment of converter valve operation data, obtaining the fusion data of phase alignment, and obtaining a chip or submodule loss sequence; obtaining a reduced-order thermal model parameter, and constructing a reduced-order coupling predictor based on the phase-aligned fusion data and the chip or submodule loss sequence; according to the reduced-order coupling predictor, obtaining a hotspot migration trajectory prediction and trajectory uncertainty elliptic domain; and according to the hot spot migration trajectory prediction and trajectory uncertainty elliptic domain, solving a thermal-electric cooperative control target, obtaining a gate pole control instruction, and controlling a converter valve. According to the method, the prediction precision is improved through online self-calibration of the model, and active equalization of thermal-electric cooperation is realized by using the uncertainty boundary.

The present application relates to the technical field of meteorological analysis, and discloses a sea-land wind ozone transmission channel analysis method and system, the method comprising: acquiring meteorological elements and ozone concentration of a target detection area; identifying the duration of sea wind in the meteorological elements, counting the distance from the coast of the target detection area, taking the decay relationship between the duration of sea wind and the distance from the coast as the sea wind penetration intensity value of the target detection area; extracting the ozone change slope of the ozone concentration from the accumulation period to the dissipation period, dividing the target detection area into a coastal strong penetration area and an inland weak penetration area according to the sea wind penetration intensity value; determining the inversion layer height decay rate of the target detection area based on the temperature vertical gradient in the meteorological elements; superimposing the inversion layer height decay rate and the ozone change slope as the ozone subsidence contribution coefficient of the target detection area, and the present application can solve the problem that the prior art cannot support refined ozone source tracing.

The invention discloses a round coal yard shutter adjusting device, and relates to the field of shutters, the round coal yard shutter adjusting device comprises an adjusting assembly, the adjusting assembly is installed in a shutter and used for stably adjusting the angle of shutter blades, the adjusting assembly comprises a plurality of gears which are vertically arranged side by side, each gear is correspondingly installed on each shutter blade, and the adjusting assembly is used for adjusting the angle of the shutter blades. The plurality of gears rotate to drive the plurality of louver blades to rotate, so that the angles of the louver blades can be adjusted and fixed; fixing shafts are arranged on the gears, the number of the fixing shafts on the multiple gears located in the middle is two, and the two fixing shafts on each gear are located on the two sides of the louver blades correspondingly; a connecting rod is arranged between every two adjacent gears, the two ends of each connecting rod are movably connected with the corresponding upper gear and the corresponding lower gear respectively, the multiple connecting rods drive the multiple gears to rotate synchronously, and the situation that due to the influence of sea wind and monsoon, the gears are corroded seriously, and rotation adjustment of the louver blades is not smooth is avoided.

The invention relates to the technical field of testing, and discloses a beach erosion and deposition monitoring device and a using method thereof.The beach erosion and deposition monitoring device comprises a fixing pile, a fixing support is fixedly connected to the outer wall of the fixing pile, and a fixing ring is fixedly connected to the outer wall of the fixing support. When the gear rotates, the scraper and the water absorption cotton sliver are driven to rotate through the connecting bracket, so that when the scraper and the water absorption cotton sliver rotate, sand and stone impurities on the surface of the measuring instrument are removed, and water mist on the surface of the measuring instrument is adsorbed, so that the impurities and the water mist on the surface of the measuring instrument are reduced; in addition, when the wind gathering cover rotates, the wind gathering cover can interfere and repel birds, and the situation that the birds possibly stay on the measuring instrument, and fallen feces pollute the surface of the measuring instrument is avoided.

The present invention discloses a method and system for automatically generating sea breeze geological modeling horizons based on image recognition. The method first analyzes seismic images obtained from engineering geophysical surveys to obtain seismic horizon data. Then, based on the seismic horizon data, the coring depth of the station is determined, and coring is performed to obtain geotechnical data. The seismic horizon data is updated based on the geotechnical data, and then coring is guided by the updated seismic horizon data. This process is repeated until the comprehensive stratigraphic similarity between the geotechnical data and the seismic horizon data exceeds a set threshold. Through the interaction between coring and seismic horizon data, iterative updates of the seismic horizon data are achieved, ultimately obtaining accurate stratigraphic horizon data.

This invention belongs to the field of underwater vehicle testing technology, specifically relating to a testing device and its method for simulating actual marine service environments. The testing device includes a housing, a base plate detachably mounted to the housing, multiple simulation areas set on the base plate or the side wall of the housing, a wave-generating mechanism and a water depth / pressure simulation mechanism mounted on the side wall of the housing, a sea breeze simulation mechanism mounted on the housing, a first lighting module, and several first visual capture modules. This invention uses a wave-generating mechanism, a water depth / pressure simulation mechanism, and a sea breeze simulation mechanism to create a marine service environment. Multiple simulation areas are set on the base plate or the side wall of the housing. Several three-dimensional lifting columns are adjusted in height relative to the polygonal submerged surface through corresponding telescopic drive mechanisms to simulate seabed topography, providing different working environments for the test object. This solves the problem in existing technologies where the simulated marine environment differs significantly from reality, resulting in the inability to optimize the shape design and comprehensively evaluate service performance.

The hydraulic regulation and control system comprises a fixing frame, a hydraulic system is arranged on the fixing frame, the hydraulic system is connected with a hydraulic rod and a hydraulic motor, the hydraulic rod and the hydraulic motor are connected with an adjusting frame, an adjusting rotary disc and a fixing disc are arranged on the adjusting frame, and the adjusting rotary disc is connected with the fixing disc. A wind power blade is fixed on the fixing disc, a laser monitor is arranged on the adjusting frame, the laser monitor is used for monitoring the states of obstacles and the wind power blade in the construction transportation process in real time, and the hydraulic system conducts regulation and control in real time according to the monitoring result of the laser monitor. The system has the advantages that the high-pressure and high-flow hydraulic system is intelligently regulated and controlled based on intelligent sensing laser monitoring, precise obstacle avoidance of sea and land wind power blade construction transportation is achieved, wind loads are reduced, and timely adaptive adjustment of blade positions and postures is guaranteed.

The utility model discloses an insulation board reinforcing device suitable for a sea and land wind environment, and belongs to the technical field of insulation board reinforcing. Comprising a fixing bolt, a protective reinforcing cable and an anchor bolt, the fixing bolts are arranged on the heat preservation plate, penetrate through the heat preservation plate and are driven into the wall body, and the heat preservation plate is fixed to the wall body. A protective reinforcing cable is arranged on the surface of the outer side of the heat preservation plate and tightly presses the heat preservation plate; anchor bolts are arranged between the adjacent upper and lower layers of heat preservation plates, and the adjacent upper and lower layers of heat preservation plates are connected and fixed through the anchor bolts. The wind-resistant insulation board solves the problem that the wind-resistant performance of the insulation board is not good under the sea and land wind environment.

This invention relates to the field of testing equipment technology, specifically to a stainless steel corrosion performance testing equipment for a full-zone simulated seawater environment. The equipment includes: a test chamber, which is vertically arranged along the interior of the chamber via multiple partitions, sequentially from top to bottom, comprising an atmospheric test zone, a splash test zone, a tidal range test zone, a full immersion test zone, and a sea mud test zone; and a simulation unit, including a sea breeze simulation component and a wave simulation component respectively connected and installed on the side wall of the test chamber, for providing a simulated seawater environment. By separately setting the atmospheric test zone, splash test zone, tidal range test zone, full immersion test zone, and sea mud test zone inside the test chamber, the equipment can work with the sea breeze simulation component and the wave simulation component to simulate a full-zone seawater environment. This allows for convenient testing of the corrosion resistance of stainless steel pipes in different zones of a simulated real marine environment, improving the accuracy of the test, reducing the manpower and material resources consumed in the test, and reducing the workload of the personnel involved in the test.

The application relates to the field of wind field prediction, and discloses a low-altitude wind field prediction system and method based on a sea-land wind model, which comprises the following steps: obtaining wind field records along a coastal observation belt and taking the fine time dislocation formed between different devices as a synchronous reference; layer by layer, energy distribution in the wind field records which changes with height, temperature difference and humidity is split; the change clues of wind field element groups reflecting fluctuation, deflection and weak rotation trend are limitedly coded, the mutual pulling degree of disturbance in each period, the energy transfer direction and the mutation sensitivity are remolded into structured data segments; unstable interaction in local areas in the wind speed, wind direction and vertical temperature difference relationship is found by using a wind field expression body, and the disturbance transmission relationship between nodes in these areas is extracted; and micro-disturbance events are compared with the long-term deviation distribution of the overall observation records. The application has the advantages of improving the capturing and expression ability of micro-scale wind field disturbance.

This invention provides a full-physics field simulation test device and method for shipborne aircraft fuel fires based on wind-wave coupling effects, relating to fire safety. The device includes: a shipborne aircraft simulation component comprising an aircraft support, fuel tank, attitude adjustment mechanism, and at least one ammunition simulator; a ship simulation component comprising a fuel pan and a swing mechanism connected to the fuel pan; a sea breeze environment simulation component comprising a water mist spraying mechanism and a fan; and a data acquisition system for collecting data on the wind field, flame, and surface temperature and radiant heat flux of the ammunition simulator under wind-wave coupling conditions, thereby quantifying the degree of thermal stimulation of the ammunition under different operating conditions. The beneficial effects of this invention are: it enables the simulation of dynamic ammunition thermal exposure of shipborne aircraft under ocean wind-wave coupling conditions, filling the research gap in existing technologies that can only simulate static ammunition thermal exposure, and enabling a systematic study of the impact of ammunition attitude changes on the uniformity of thermal exposure.

The invention discloses a camera structure that replaces the rearward sight line of a cab window, comprising a lens barrel, a monitoring device is installed in the lens barrel, a lens is embedded at one end of the lens barrel, an inner barrel is arranged inside the lens barrel, a gap is arranged between the lens barrel and the inner barrel to form a circulation chamber for cooling liquid circulation; a liquid storage tank is also arranged on the side wall of the lens barrel, cooling liquid is arranged in the liquid storage tank, a water inlet pipe connected with the bottom of the circulation chamber is arranged at the bottom of the liquid storage tank, and a water return pipe is arranged between the top of the circulation chamber and the liquid storage tank; a constricted pipe section in the middle of the air duct forms a venturi tube structure, and the negative pressure of the sea breeze passing through the constricted pipe of the air duct is used to attract air to pass through the liquid storage tank through the cooling pipe, so as to form a good cooling effect on the cooling liquid inside the liquid storage tank, which is beneficial to circulating cooling; the circulating chamber is wrapped around the outside of the monitoring device, so as to play a good heat insulation role, and the coolant can take away the heat generated when the monitoring device is running when circulating in the circulating chamber, so as to play a good heat insulation and cooling role.

1.The name of the design product: soap packaging paper (love of sea breeze). 2.The use of the design product: soap packaging paper. 3.The design points of the design product: the combination of shape, pattern and color. 4.The picture or photo that best shows the design points: perspective view. 5.The design claimed contains color.

The invention relates to the technical field of offshore wind power, in particular to an offshore wind power flexible direct-current grid-connected power supply device which comprises a mounting platform and a converter station, supporting columns are arranged at the positions, close to the four corners, of the bottom of the mounting platform, the supporting columns are sleeved with cleaning assemblies, and protection assemblies are arranged at the positions, close to the tops, of the supporting columns; the cleaning assembly comprises a movable ring, a rotating ring rotationally connected to the upper portion of the movable ring and a scraper rotationally connected to the inner ring wall of the movable ring. The protection assembly comprises two extension parts, two protection shells used for sealing and protecting the cleaning assembly and a top base located on the upper portion of the middle of the two protection shells. In the device, the cleaning assembly is arranged to clean the surface of the supporting column, and meanwhile, the protection assembly is arranged to protect the cleaning assembly during normal use, so that the cleaning assembly is prevented from rusting due to long-term contact with salty and wet sea wind.

The invention discloses a construction method for replacing sea and land wind turbine parts through a self-walking and lifting type lifting device, a device body is included, the device body comprises a wind turbine tower barrel, a wind turbine cabin, a wind turbine cabin cover, a first lifting device, a second lifting device and a lifting device, and the first lifting device and the second lifting device are the same in structure; the fan cabin is installed on the top of the fan tower, the fan cabin cover is installed on the top of the fan cabin, the first lifting device is located on the left side of the fan tower, and the second lifting device is located on the right side of the fan tower. The first lifting device comprises a first ship body, a first clamp, a first lifting seat, a second lifting seat, a first self-lifting winch, a second self-lifting winch, a first guide device, a first steel wire rope fixing device, a second guide device, a second steel wire rope fixing device, a first hydraulic telescopic rod and a first pressing roller. According to the device, the hoisting flexibility can be greatly improved, different sea and land fan operation scenes can be quickly adapted, and the overall hoisting cost is remarkably reduced.

1. The name of this design product: Sole (Sea Breeze). 2. Purpose of this design product: used to make shoe soles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses an ice-resistant piton for offshore wind power generation, which comprises a pile body, and an ice-resistant piton mechanism is arranged on the outer side wall of the pile body; the anti-icing pile is simple in structure and reasonable in design, ice blocks on the sea are resisted and damaged by the anti-icing cone shell plate on the outer side of the pile body in ordinary times, the ice blocks with high speed are in contact with the anti-icing cone shell plate firstly and extrude the telescopic spring, the anti-icing cone shell plate pushes the rotating rod to rotate, and the anti-icing cone shell plate pushes the rotating rod to rotate. The rotating rod drives the ice hammer to stretch out and chisel ice blocks, the telescopic spring generates pushing force to push the ice-resisting cone shell plate to reset, the ice blocks are pushed outwards to change the movement direction of the ice blocks, and if the ice blocks continue to impact the pile body, the ice hammer is driven to stretch out to chisel the ice blocks. The ice hammer is driven to chisel and decompose ice blocks through impact generated by the ice blocks through the ice-piton-resistant mechanism, the load of the ice-piton-resistant mechanism is reduced, the ice blocks are pushed in the opposite direction through elastic force of the telescopic spring, buffering is provided for the pile body, and the service life is prolonged.

The invention belongs to the technical field of lithium batteries, and particularly relates to a solid-state lithium battery with a heat dissipation structure for ship power. Comprising a mounting outer shell, the mounting outer shell is fixedly connected with a sealing cover plate, the mounting outer shell is fixedly connected with a fixed inner shell, the sealing cover plate and the fixed inner shell jointly form a sealing cavity, the fixed inner shell is provided with a plurality of packaging shells, the fixed inner shell is provided with a heat dissipation cavity, and the heat dissipation cavity is provided with a heat dissipation cavity. A lithium battery module is mounted in the packaging shell on the fixed inner shell, and a wiring end of the lithium battery module is positioned in a sealing cavity between the fixed inner shell and the sealing cover plate. The lithium battery module is arranged in the packaging shell to isolate the lithium battery module from being in contact with sea wind, so that the probability that the lithium battery module is eroded by the sea wind is reduced, meanwhile, the lithium battery module is sealed in the sealing cavity between the sealing cover plate and the fixed inner shell, the situation that the sea wind blows to the wiring end of the lithium battery module is avoided, and the service life of the lithium battery module is prolonged. Therefore, the terminal of the lithium battery module is prevented from being corroded.

The utility model relates to the technical field of yachts, in particular to a concealed window for a yacht, which comprises a movable porthole, sealing noise reduction mechanisms are arranged on the surface of the movable porthole and the inner wall of a fixed porthole, and stable anti-shaking mechanisms are arranged on the inner wall of the movable porthole and the inner wall of the fixed porthole. And a convenient cleaning mechanism is arranged on the surface of the fixed porthole. When the window is used, the stability of the movable porthole can be guaranteed when the movable porthole is closed, when sea wind is too large, the movable porthole cannot be loosened, the window is more stable when used, the sealing effect of the window is better when the window is used, and when the movable porthole is used, the movable porthole is not prone to falling off. According to the noise reduction window, a good noise reduction effect on sea wind can be achieved, the sealing performance of the window is higher in the using process, a user can conveniently clean the surface of the movable porthole in the using process of the window, and the user can observe the external environment more clearly through the movable porthole.