61 results about "Underwater light" patented technology

The invention discloses an underwater target identification and positioning method based on fusion of a physical model and deep learning, and belongs to the technical field of computer vision, and the method comprises the steps: carrying out the transmissivity estimation and physical restoration of a collected underwater monocular image according to an underwater light propagation model, and carrying out the image correction; key feature points are extracted, and high-quality matching point pairs are screened in combination with the joint similarity; further deriving a basic matrix through the high-quality matching point pairs meeting the epipolar geometric constraint relation, solving an essential matrix, and obtaining relative attitude parameters between the cameras in combination with weighted re-projection-LM optimization; and finally, refraction correction triangulation is carried out according to the Snell's law, pixel-level fusion is carried out after scale normalization and space alignment are carried out on the refraction correction triangulation and dense depth output by the MiDaS, three-dimensional space coordinates of the target are inverted, and high-precision recognition and positioning of the underwater target are achieved. The system is light in structure, efficient in calculation, suitable for being integrated on various underwater autonomous or remote control robot platforms and used for tasks such as target recognition, tracking and positioning.

The utility model relates to a kind of pool underwater lamps, including lamp body, waterproof joint, adjusting rubber ring and locking ring.Lamp body includes shell, circuit device with lamp pearl sealed in shell by pouring glue and lampshade installed in the front of shell by sealing ring, and fastener is arranged on the tail of shell;Glue ring groove and external thread are arranged on the outer wall of the front of shell;The fastener is connected to realize the electrically connectable connection of lamp by waterproof joint;Adjusting rubber ring is sleeved in the glue ring groove of shell, locking taper is arranged on the outer wall thereof;Internal thread is arranged in the central hole of locking ring, and lamp installation locking flange and multiple notch grooves are arranged on the outer wall of inner end;Notch groove divides lamp installation locking flange into multiple arc-shaped elastic straining flanges;When the internal thread of locking ring is screwed on the external thread of shell and is screwed in, under the action of adjusting rubber ring, elastic straining flange is straining outward.The utility model has more reasonable structure, is installed quickly and easily, more widely, and is applicable to the pipe of certain size of different national standards.

The utility model discloses a kind of irradiation resistance underwater light supplementing lamps, belong to underwater light supplementing lamp technical field, solve the irradiation range of the underwater light supplementing lamp of multiple lamp body becomes larger, but condensing effect is obviously worse, so cannot condensing clear irradiation certain object, affect the visibility when actual underwater operation problem. Including circular arc lamp panel, the lamp body of several fixed connections in lamp panel, and the light-reflecting plate of the rotation connection in lamp panel outer circle, several light-reflecting plate can be relative lamp panel flip, several light-reflecting plate synchronous rotation setting. The utility model uses, when needing large range illumination, traction electromagnet pulls connection rope, makes light-reflecting plate deflect, torsional spring accumulates elastic potential energy, turns wire pole and prevents connection rope scratch breakage. When needing condensing irradiation, traction electromagnet is powered off, release connection rope, torsional spring releases potential energy and drives light-reflecting plate reverse deflection, forms spotlight cover, makes light concentration, clear irradiation object, does not affect underwater operation visibility.

The utility model discloses a straight line outgoing type underwater lamp belt, which comprises waterproof boxes, a lamp body and an FPC (flexible printed circuit) board, the waterproof boxes are mounted at two ends of the lamp body, the FPC board is positioned in the lamp body and extends along the length direction of a bottom plate, the two ends of the FPC board and the lamp body extend into the waterproof boxes, each waterproof box comprises a base and a cover plate, and the cover plate is mounted on the base. A fixing plate is arranged on the base, the bottom face of the end, extending into the waterproof box, of the lamp body is attached to and fixed to the fixing plate, the bottom end, the left end and the right end of the cover plate are open, and the opening in the bottom end of the cover plate is in sealed connection with the base. The left end opening and the right end opening of the cover plate are respectively enclosed with the cover plate to form a first socket and a second socket, the first socket is used for the end part of the lamp body to extend into the cover plate, and the second socket is provided with a waterproof wire assembly. According to the utility model, the current access of the lamp body is safer, and the overall waterproof sealing performance is good.

The utility model discloses a split type LED underwater lamp, belongs to the technical field of LED underwater lamps, and solves the problems that when an underwater motor is controlled on the ground, the underwater motor can not receive signals due to the problem of water environment, and finally the condition that the motor has no feedback is influenced. Comprising a mounting shaft, a rotating seat capable of coaxially rotating relative to the mounting shaft and arranged at the lower end of the mounting shaft, connecting seats fixedly connected to the two sides of the rotating seat, a lamp holder hinged between the connecting seats on the two sides, and a lamp body fixedly connected to the lamp holder. The underwater lamp is fixed through the mounting shaft, the buoy is put to enable the wireless receiving module to float on the liquid level, receives wireless remote control signals and transmits the wireless remote control signals to the microcontroller, the controller generates PWM signals and direction level, the upper servo motor and the lower servo motor are driven through the double-H-bridge chip, the position and the angle of the lamp body are adjusted, and the buoy and the signal transmission line ensure that the underwater lamp can receive water surface signals. And the position and angle adjustment of the underwater LED lamp body can be wirelessly and remotely controlled by a user.

The present application relates to the field of eutrophication lake water ecological restoration, and discloses a device and system for improving underwater light conditions of a lake. Natural light on the water surface is introduced into the underwater area near the device through refraction and reflection by using a light path system, effectively improving the underwater light intensity. A wave dissipation system is arranged below the light path system to prevent disturbance of the water body and sediments by small waves, to a certain extent, reducing the influence of sediments and resuspension on water transparency, and further improving the underwater light conditions. The light path system, the wave dissipation system and the underwater fixing system are sequentially fixed and connected from top to bottom, and the height of the light path system and the wave dissipation system is adjusted through the underwater fixing system with the rise and fall of the water surface, improving the applicability of the device. The device has the characteristics of simple structure, convenient operation, good performance, easy installation and recycling, etc. It can effectively reduce the adverse effects of insufficient underwater light of the lake and wave disturbance on the growth of submerged plants.

The present application relates to a kind of underwater lighting lamp assembly for microalgae culture, further relates to the photobioreactor comprising using the underwater lighting lamp assembly.The underwater lighting lamp assembly of the present application can realize 360 ° light source layout, and also can integrate stirring and aeration device, realize the illumination, stirring and aeration of photobioreactor and other functions.The underwater lighting lamp assembly of the present application can promptly take away the heat generated by lamp, reduce the temperature of lamp tube, reduce the influence of high temperature on light emitting and its service life, also can reduce the heat transfer of lamp tube heat to microalgae culture solution, reduce the temperature rise of microalgae culture system.The hyperboloid stirring paddle and its paddle face gas distribution hole used, mixing is uniform, gas-liquid contact is sufficient, reduce the damage of stirring shear to algal cell, and stirring energy consumption is low.In addition, the underwater lamp assembly of the present application is simple in structure, can be directly applied to large microalgae culture container, form photobioreactor, and easily remove, scale expansion and component replacement.

The invention provides an underwater near-field sensing method and system based on a mechanical scanning sonar and an optical camera, and the method comprises the steps: obtaining echo data of the mechanical scanning sonar, and carrying out the preprocessing of the echo data, and obtaining sonar image data; after sonar image data is processed, a near-field acoustic boundary is obtained by combining near-field environment acoustic reflection propagation characteristics, and a real near-field boundary is further obtained; acquiring an optical image, and acquiring a near-field optical enhancement image based on an underwater light propagation model compensation and weight fusion image enhancement method; and synchronizing and outputting the near-field acoustic boundary and the near-field optical enhancement image by using a timestamp. Different sensing modes of acoustics and optics are combined, sonar focuses on geometric boundary and scale measurement, optics provides visual details and textures through double-branch multi-scale fusion of underwater light propagation compensation and non-blind sharpening, two paths of information are clear in positioning and do not interfere with each other, the system can obtain the sensing ability of structure contours and texture details at the same time, and the accuracy of the system is improved. Therefore, the identifiability and integrity of the near-field environmental elements are improved.

1. Name of the designed product: underwater lamp (G1.5). 2. Use of the designed product: for underwater lighting. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

The utility model discloses a kind of high radiation-tolerant underwater lamps, belong to underwater lamp technical field, solve when needing to the environment of different positions below water surface is clearly collected, then it needs to adjust the irradiation angle of underwater lamp, and ensure that the angle of underwater lamp cannot appear the situation of shaking due to the impact of water flow, otherwise it can cause the problem of influence to the environment collection below water surface. Including lamp shell, and a plurality of lamp bodies are set on lamp shell, the back of the lamp shell is fixedly connected with a set of hinged frame. When the utility model adjusts the angle of underwater lamp, traction electromagnet is powered off, elastic push-pull rod pushes away limit rod from tooth groove, friction strip is displaced under waterproof electric push rod control, the convex of friction sleeve and friction wheel increases friction coefficient, realizes that transmission ratio increases, friction wheel drives hinged frame and lamp body to rotate, completes angle adjustment. After adjustment, traction electromagnet is powered on, pull limit rod and embed tooth groove, fixed turntable, prevent underwater lamp from being affected by water flow and shaking.

The utility model relates to the technical field of buoys, and particularly discloses a novel noctilucent seven-star buoy which comprises a buoy body, a light-emitting part and a needle type battery, the buoy body is made of light-proof materials, a transverse wire passing hole and a vertical assembling hole are formed in the buoy body, and the light-emitting part and the needle type battery are installed on the upper side and the lower side of the assembling hole respectively. The light-emitting part of the light-emitting part and the lower end of the needle type battery are exposed out of the buoy body, when the needle type battery is inserted into the assembling hole, the positive electrode and the negative electrode of the needle type battery make contact with the positive electrode pin and the negative electrode pin of the light-emitting part respectively, and the gravity center of the buoy body is located on the lower half portion of the buoy body. The underwater light pollution is effectively avoided while visual guidance is provided for a fisherman, disturbance to fish schools is reduced, the fishing success rate is increased, and the fishing experience of the fisherman is ensured.

The application discloses a solar landscape ultrasonic atomization light-shielding and algae-inhibiting floating island, which comprises a floating island body, a plurality of circumferential array arranged ultrasonic atomization nozzles, solar panels and winding mechanisms are installed on the outer side of the floating island body, and integrated control modules and propellers are respectively installed on the upper and lower sides of the floating island body; the ultrasonic atomization nozzles, the solar panels, the propellers and the winding mechanisms are electrically connected with the integrated control modules. The application utilizes solar energy to continuously provide power for the ultrasonic atomization nozzles, carries out ultrasonic atomization, and the atomized water droplets shield light, so that the underwater light intensity decreases and the photosynthesis intensity of algae is weakened, thereby achieving the purpose of inhibiting the growth of algae, and the application also has a certain landscape effect. When the counterweight balancing block is controlled by the winding mechanism and is wound by water grass, the rising pressure will push the folding piece to pop out the cross-shaped cutter, the cross-shaped cutter is cut off near the water grass in an instant, and the counterweight balancing block is conveniently recycled above the water surface.

This invention discloses an underwater target reflectance inversion method based on an underwater transmission model, comprising: acquiring the original digital values ​​of the underwater target collected by a hyperspectral camera; combining the built-in radiometric calibration parameters of the hyperspectral camera; converting the original digital values ​​into radiance based on the sensor pre-calibration response characteristics; physically modeling the water absorption effect, scattering effect, and path radiation effect during underwater light propagation to determine the linear mapping relationship between radiance and target reflectance; constructing a training radiative transmission model using a non-negative linear regression model; using a calibrated target with known reflectance as a sample to train the radiative transmission model between the original digital values ​​and the target reflectance, and solving for the mapping parameters between the two; and based on the original digital values ​​and mapping parameters of the underwater target to be reconstructed, using the trained radiative transmission model to invert and obtain the true reflectance of the target, thus completing the spectral reconstruction.

The invention discloses a Bluetooth underwater lamp control system based on power line carrier waves, relates to the technical field of Bluetooth underwater lamps, and solves the problem that different types of interference sources such as power frequency harmonic interference and electromagnetic interference, multipath interference and the like cannot be accurately distinguished. According to the method, a calibration method of standard waveform generation-multi-position translation comparison-optimal coincidence ratio screening is adopted, non-coincident clutter bands of associated waveforms and standard waveforms are extracted, and accurate calculation of clutter frequencies is combined, so that power frequency harmonic interference and other types of interference can be accurately distinguished; the alarm signal is directly output for power frequency interference, and the frequency debugging process is triggered for non-power frequency interference, so that the limitation of a traditional one-cut anti-interference scheme is avoided, and the pertinence and efficiency of interference processing are improved.

1. Name of the designed product: pool underwater lamp (KK-UT90-SP). 2. Use of the designed product: pool underwater lighting. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

An underwater LED light for use in high ambient pressure environments having a housing, a transparent pressure-bearing window, an MCPCB having one or more LEDS, and a multilayer stack of spacers for carrying loads applied to the window to the MCPCB and to the housing.

The invention provides an anti-electric shock fountain system and a management method. The system comprises a water spraying unit in a fountain pool, a power supply of the water spraying unit, and an active protection chain composed of an underwater laser detection unit, a laser emission terminal, a control unit and a power supply control unit. The underwater laser detection unit is arranged below the water surface around the water spraying unit, and laser signals emitted by the underwater laser detection unit are folded back through the pool wall laser emission terminal to form an annular closed detection light path surrounding the water spraying unit; the control unit monitors the on-off state of the light path and outputs a control signal when the light path is blocked; the power supply control unit responds to the signal and immediately cuts off a water spraying unit power supply loop. Personnel invasion is actively perceived through an underwater light path, a power supply is quickly cut off before an electric shock risk occurs, and the problem of lagging of traditional leakage protection is solved; water mist interference is avoided through underwater detection, dead-corner-free protection is achieved through annular layout, and safe anti-electric-shock measures are provided for a fountain area.

The application discloses a railway bridge structure underwater image enhancement and color correction method, based on a multiscale retina enhancement and color recovery algorithm combined with histogram equalization, through multi-module collaborative processing, realizing integrated optimization of detail enhancement, contrast improvement and color correction, comprising the following steps: S1, acquiring an underwater image of a railway bridge structure and performing multiscale decomposition and fusion on the underwater image of the railway bridge structure to obtain a multiscale decomposition and fusion image; S2, performing histogram equalization fusion on the multiscale decomposition and fusion image; S3, based on an underwater light attenuation physical model, performing color recovery, compensation and correction on the reflection component in the equalized histogram; S4, performing dynamic scale selection, so as to adaptively adjust the weight of the multiscale decomposition and fusion in the S1 step according to the turbidity index of the image itself; and S5, performing light spot suppression processing. Corresponding systems, electronic devices and computer readable storage media are also disclosed.

Provided is a synchronous pinger type underwater lighthouse system comprising at least three underwater lighthouses installed for use on the seabed at predetermined positions, each underwater lighthouse including a first GPS receiver that surfaces at predetermined intervals, receives a radio wave from a GNSS satellite, and outputs a GPS signal, a first synchronization signal generating unit that includes a first high-precision oscillator and generates a first synchronization signal having a predetermined period with a phase synchronized to the received GPS signal, and a transmitting unit that transmits a transmission signal having a predetermined period and comprising a PN sequence code into the water as an ultrasonic wave, in synchronization with the first synchronization signal generated by the first synchronization signal generating unit, wherein: an underwater robot having a receiving unit that receives the transmission signal from the underwater lighthouse includes a second GPS receiver that surfaces at predetermined intervals, receives a radio wave from a GNSS satellite, and outputs a GPS signal, a second synchronization signal generating unit that includes a second high-precision oscillator and generates a second synchronization signal having the same period as the first synchronization signal with a phase synchronized to the received GPS signal, and a correlator for identifying the transmission signal transmitted from the underwater lighthouse; and the underwater robot receives the transmission signal from the underwater lighthouse, obtains an arrival time from the second synchronization signal generated by the second synchronization signal generating unit and the reception time of the transmission signal, obtains the distance to the identified underwater lighthouse from the arrival time and the underwater speed of sound, and performs position measurement on the basis of the distance.

1. Name of the product in this design: Underwater pool light (KK-RF230). 2. Application of this design: underwater lighting for swimming pools. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Lamp cover (K220). 2. Purpose of this design: for use as an underwater light in swimming pools. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Wireless Underwater Light. 2. Purpose of this design: This design is used to control underwater lighting through electromagnetic induction. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design points: Component 1 3D view 1. 5. Other situations requiring explanation: Component 1 is the lamp signal control terminal, and component 2 is the lamp signal receiving terminal.

The invention belongs to the technical field of illumination, and particularly relates to a high-power LED underwater lamp. Comprising a shell assembly, a light source assembly and a heat dissipation assembly, and the shell assembly comprises an upper shell and a lower shell; the heat dissipation assembly is arranged below the light source assembly and partially located in the lower shell. The heat dissipation assembly comprises an aluminum substrate, a plurality of heat pipes, a heat dissipation plate and heat dissipation fins, and the light source assembly is installed on the aluminum substrate; the heat pipes are embedded in the aluminum substrate, the light source assembly is in contact with the heat pipes, and the heat pipes are radially distributed outwards from the center of the light source assembly; the aluminum substrate is in heat conduction connection with the heat dissipation plate, and the heat dissipation plate is connected with the upper shell to form a closed sealing cavity; the heat dissipation fins are in heat conduction connection with the heat dissipation plate and located on the side, away from the light source assembly, of the heat dissipation plate. The plurality of heat pipes are embedded in the aluminum substrate and are radially distributed by taking the light source assembly as the center, so that heat is quickly and uniformly diffused from a heat source to the periphery, and local overheating is avoided; meanwhile, the aluminum substrate, the heat dissipation plate and the heat dissipation fins form a continuous heat conduction path, and the heat dissipation efficiency is improved.

The invention discloses an optical receiving device of an ocean laser radar. Comprising a narrow-band filter, a PMT array detector, a PMT control circuit, a multi-channel amplifier, a multi-channel comparator, a photon counting signal output, an analog detection signal output, a copy circuit and an adder. According to the invention, a laser radar echo signal can be superposed in a shallow water view field to output an analog signal, and each subdivided view field in the array independently detects and outputs a photon counting signal in deep water, so that the limitation that photon counting cannot display shallow water detection signal intensity information is solved; and the problem that the obstacle shape is difficult to distinguish due to underwater light spot dispersion during laser radar deepwater detection is effectively solved, the gray scale resolution of shallow water obstacle detection strong signals is ensured, and the spatial resolution of deepwater obstacle detection weak signals is improved.

The invention relates to the technical field of underwater long-distance communication, and particularly discloses an underwater wireless high-speed optical communication system, which comprises a transmitting end, a receiving end and a control unit, the transmitting end is used for generating a light beam, performing collimation and beam expansion processing on the light beam, adjusting the deflection angle of the light beam, and transmitting the light beam through an underwater channel; the receiving end is used for receiving a light beam from an underwater channel, filtering stray light and splitting the light beam into two paths: one path is used for demodulating communication data, and the other path is used for detecting the position of a light spot; the control unit is used for calculating the light spot offset according to the detected light spot position information and generating a correction instruction to adjust the deflection of the emitted light beam so as to correct the light beam direction; according to the invention, the direction of the light beam is corrected by detecting the position of the underwater light spot and feeding back and adjusting the deflection angle of the transmitting end.

This invention relates to an underwater high-power uniform light source and its control system. The device includes: a multi-angle combined light array, which can be configured with the optimal stroboscopic light source according to the working environment, such as working distance, illumination range, camera position, and image illumination uniformity requirements; a low-latency stroboscopic light source controller, which is connected to the light array via a watertight cable, supplies power to the light array, and controls the light array to produce specific illumination as required; and a deep-sea pressure-resistant sealed chamber, which encapsulates the light source, controller, and electrical components according to the light array combination method. This invention is used in deep-sea environments to provide autonomous underwater vehicles with a high-performance deep-sea high-power stroboscopic light source and its control system, enabling instantaneous high-power light source driving and high-uniformity illumination under conditions of limited power supply in deep-sea exploration, and improving the response speed of the deep-sea high-power light source during high-speed scene acquisition.

This application relates to the field of marine vehicle technology and proposes a cross-medium marine vehicle, including a main hull, a wing sail assembly, and a drive mechanism. The wing sail assembly is rotatably connected to the main hull and has a first surface and a second surface arranged opposite each other: the first surface is covered with a first photovoltaic cell for surface power generation, and the second surface is covered with a second photovoltaic cell for underwater blue-green light environment power generation. The drive mechanism drives the wing sail assembly so that when upright, the first photovoltaic cell faces the sun to generate electricity, and when tilted, the second photovoltaic cell faces away from the main hull to utilize underwater light energy. This invention, through a rotatable double-sided heterogeneous photovoltaic wing sail and its attitude switching, couples the vehicle's mechanical state with the capture and energy of different medium spectra, fundamentally solving the energy interruption problem caused by photovoltaic spectrum mismatch during underwater navigation, achieving seamless connection between high-power surface power generation and continuous underwater power generation, and significantly extending the vehicle's underwater operation time and overall endurance.

The utility model relates to the technical field of sealing ring installation equipment, and discloses a waterproof and anti-creeping submersible lamp sealing installation device which comprises a support, a base is fixedly installed on the support, a material guide table is fixedly installed on the base, two limiting plates are symmetrically and fixedly installed on the material guide table, and a carrier plate is fixedly installed on one sides of the two limiting plates. A bottom plate is fixedly mounted at the lower end of the guide table close to the base, a guide rail is fixedly mounted on one side of the bottom plate, a first slider is slidably connected to one side of the guide rail, and a cylinder is fixedly mounted on the bottom plate below the guide rail and connected with an external air pump through an air pipe. Guiding movement of the sealing ring can be achieved through the material guiding table, so that positioning of the submersible lamp shell is achieved through the bottom plate on one side of the carrying plate, meanwhile, the sealing ring is automatically pressed and arranged on the outer side of the submersible lamp shell in a sleeving mode through cooperation of the guide rail, the fixing frame, the positioning barrel and the ejector block, rapid sleeving of the sealing ring is achieved, the labor intensity of workers is reduced, and the working efficiency is improved. And the sealing ring assembling efficiency is improved.

This invention provides a visual underwater lighting rescue device based on fire rescue, relating to the field of underwater rescue technology. It includes a device housing with a propulsion component installed at the bottom. An arc-shaped bracket is connected to the lower side of the propulsion component. Both ends of the arc-shaped bracket extend inwards and have arc-shaped guide grooves. Arc-shaped movable frames are slidably installed inside the arc-shaped guide grooves. Mounting grooves are provided on both the inner and outer sides of the arc-shaped movable frames and the arc-shaped bracket. Airbags are installed inside the mounting grooves. Several airbags are connected to an inflation component installed inside the device housing. Propulsion springs can push the arc-shaped movable frames to move along the arc-shaped guide grooves, allowing the arc-shaped bracket and two arc-shaped movable frames to unfold and form a ring. This ring can then be worn around the body of the person to be rescued, fixing the device to the rescuer's body and preventing detachment.

This invention relates to the field of intelligent formulation optimization technology for aquatic feed based on computer vision, and particularly to a method and system for optimizing aquatic feed formulation based on artificial intelligence. The method includes controlling an underwater vortex light source to emit a spiral phase light field into the water body, and acquiring a topological phase interference holographic image obtained from the backscattering of suspended particulate matter. By extracting the phase distortion matrix and combining it with the initial spiral phase matrix, the optical topological charge splitting step value is calculated, thereby separating the degraded background pixels caused by suspended bait and extracting the charge splitting visual tensor induced by the feeding of target organisms. The neural network transforms the charge splitting step frequency into dynamic penalty weights of hydrodynamic partial differential conditions, calculates and outputs mechanical kinetic energy intensity parameters, and adjusts the output aquatic feed formulation execution data. This solves the technical problem of artificial intelligence misjudging feeding behavior and outputting redundant attractant formulations due to underwater light curtain scattering.