33 results about "Electric fish" patented technology

The invention relates to an intelligent fish blocking and ship passing system based on multi-mode AI fusion and self-adaptive control, and belongs to the field of water conservancy projects and intelligent control. Aiming at the problems that a traditional electric fish blocking device is low in ship communication efficiency, poor in environmental adaptability and high in maintenance cost, a multi-mode sensor (laser radar, sonar, infrared thermal imaging and the like) fusion technology is adopted, and a reinforcement learning optimization proportion-integral-differential (PID) control parameter and a graph neural network (GNN) path planning algorithm are combined. All-weather high-precision sensing and dynamic gate regulation and control are realized; and equipment faults are predicted through a long short-term memory (LSTM) model, so that the shutdown risk is reduced. According to the system, the ship dredging efficiency is improved by 25%, the accident rate is reduced by 70%, the maintenance cost is reduced by 40%, the system adapts to extreme environments, and intelligent water conservancy construction is supported.

An electric fish tape with a rotatable drum for pulling an electrical wire through a conduit or other enclosed area is described. The fish tape uses an electric motor and gear assembly to extend or retract the fish tape and wire attached thereto. The fish tape includes an electric mode and a manual mode. When in the manual mode, an operator can manually rotate the drum to extend or retract the fish tape.

The application provides a fish blocking system for a tailrace tunnel of a hydropower station and a fish blocking method thereof, and relates to the technical field of fish blocking systems. The fish blocking system comprises a main pulse electric fish blocking frame, a secondary pulse electric fish blocking frame and a fish blocking pier. The main pulse electric fish blocking frame is arranged in front of the tailrace tunnel. The secondary pulse electric fish blocking frame is arranged inside the tailrace tunnel. The protruding fish blocking pier is arranged in front of the tailrace tunnel and between the main pulse electric fish blocking frame and the secondary pulse electric fish blocking frame. The main pulse electric fish blocking frame and the secondary pulse electric fish blocking frame each comprise a plurality of pulse electric poles arranged side by side. The plurality of pulse electric poles arranged side by side are arranged on a connecting crossbar to form the pulse electric fish blocking frame. The inner inclined surfaces of the fish blocking pier towards the main pulse electric fish blocking frame and the secondary pulse electric fish blocking frame are respectively provided with a second fish detector and a first fish detector. The fish blocking system is provided with a double-pulse electric fish blocking frame structure to prevent fish from entering the tailrace tunnel, so that the fish are prevented from being injured or killed in the water flow downstream of the hydropower station.

The utility model discloses a live fish temporary rearing basin, relates to the technical field of fishing devices, and aims to solve the problems that a simple fish basin is difficult to operate and an electric fish basin has potential safety hazards. Comprising a mounting base, a fish containing basin and a pedal, the fish containing basin and the pedal are hinged to the two ends of the mounting base respectively, a fish pouring opening is formed in the end, away from the pedal, of the fish containing basin, one end of the pedal extends to the position below the fish containing basin, and the other end of the pedal extends obliquely upwards. The live fish temporary rearing basin is simple in structure and convenient to use, and safe fish pouring operation can be achieved only by pedaling.

1. Name of the product in this design: Electric fish scaler (YLJ-2B). 2. Purpose of this design: A machine for scraping fish scales. 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.

The utility model discloses an electric fish knife. The electric fish knife comprises a blade part and a knife handle part, the cutter handle part comprises a driving module, a turbine transmission module and a blade pushing mechanism; the blade part comprises a first blade and a second blade; the first blade and the second blade are parallel to each other, and one end of the first blade and one end of the second blade are connected with the blade pushing mechanism. The blade pushing mechanism is connected with the two sides of the turbine transmission module. And the driving module is used for driving the turbine transmission module to drive the first blade and the second blade to do reciprocating motion. The electric fish knife is compact in overall structure, staggered reciprocating motion of the first blade and the second blade is achieved through the turbine transmission module, and cutting efficiency is high. And the driving module can be in a plug-in type or can be powered by a battery, so that the flexibility is high. And meanwhile, the unlocking assembly and the safety button are designed, so that the overall safety and controllability are improved.

The utility model discloses a kind of multi-angle detection electric fish signal's anti-electric fish early warning device, it is related to ecological environment protection field.Device includes control box, main control unit, current transformer, detection circuit board, 5G communication module, GPS and power module are placed in control box, top embedded antenna, bottom built-in float plate, outer sleeve fixing ring;Central below fixing ring is connected with telescopic rope, connection between cast iron anchor is realized through screw thread cooperation below telescopic rope, round table locking bolt is provided in cast iron anchor middle distance;Control box circular outer wall every 60 ° is set with one slot, 6 slots are set in total, weld six lead grooves, current probe is fixed in each slot by button lock weight, and sealed with sealing buckle.Every 2 current probes as a group detection channel in same line opposite side, device can realize 3 groups different angle current signal response, get multiple detection data through mutual inductor and detection circuit board, process discernment by main control unit, realize multi-angle electric fish signal early warning effect.

The application discloses a kind of electric fish signal detection methods based on mel cepstrum and multilayer perception machine, belong to electric fish signal detection field, comprising: first, the sound emission signal generated by underwater discharge is collected, pre-processing is carried out by pre-emphasis, framing and windowing to improve signal-to-noise ratio;Subsequently, the mel frequency cepstrum coefficient feature of signal is extracted, and is optimized by first-order and second-order difference calculation, and is fused to form a feature parameter set with static and dynamic characteristics;Finally, the feature parameter and detection voltage value are input into multilayer perception machine neural network for nonlinear fitting, and the high-precision electric signal strength is reconstructed.The application effectively utilizes the sound emission signal feature, and significantly improves the sensitivity and confidence of underwater electric fish signal detection.

1. Name of the product in this design: Electric fish tank brush. 2. Purpose of this design: For cleaning fish tanks. 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 view 1.

1. Name of the product in this design: Electric fish scaler. 2. Purpose of this design: A machine for scraping fish scales. 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.

The utility model discloses an electric fish driving device in a fishway. The electric fish driving device comprises a fish driving vehicle which is arranged at the top of the fishway and moves back and forth in the length direction of the fishway. An intelligent electric driving control unit is arranged on the fish driving vehicle, electrode bars connected with the intelligent electric driving control unit are arranged below the fish driving vehicle, and the multiple electrode bars are inserted into the water of the fish collecting channel and distributed in the width direction of the fish collecting channel; and the intelligent electric driving control unit generates a pulse signal to enable the electrode bar to generate a pulse electric field which enables fishes to generate an avoidance reaction underwater. The rail is mounted at the top of the fish collecting channel, and the sliding wheels on the two sides of the fish driving vehicle move back and forth on the rail, so that the fish driving device cannot break down due to underwater sundries; a pulse signal is generated through the intelligent electric driving control unit, so that the electrode bar generates a pulse electric field underwater, fishes generate an avoidance reaction, the effects of driving the fishes and preventing the fishes from escaping are achieved, driving does not cause damage to fish schools, only the driving effect is achieved, the driving range is large, and the fish collecting effect is greatly improved.

An electric tool combination comprises a machine body, a scaling machine head and a defeathering machine head. The machine body comprises a grab handle, a motor, a reducer, a coupler and a connecting part. The scaling machine head comprises a scraper, a rotating shaft, a protective cover, a first bearing and a first connecting piece; the plucking machine head comprises a plucking main rod, a plucking auxiliary rod, a first gear, a second gear and a second connecting piece; the scaling machine head and the defeathering machine head can be respectively connected with the machine body; when the scaling machine head is connected with the machine body, the first connecting piece is connected with the connecting part in a locking mode, meanwhile, the rotating shaft is in transmission connection with the coupler, and then the electric scaling machine is formed. When the plucking machine head is connected with the machine body, the second connecting piece is connected with the connecting part in a locking mode, meanwhile, the plucking main rod is in transmission connection with the coupler, and then the electric plucking machine is formed. The common machine body is connected with the scaling machine head and the dehairing machine head in a matched mode, the requirements for scaling of fishes and dehairing of poultry can be met at the same time, and therefore the use cost is reduced, and the portability of outdoor carrying is improved.

1. The name of the design product: electric fish knife. 2. The use of the design product: the design product is used for cutting articles. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses an electric fish signal detection method based on Mel-cepstrum and a multilayer perceptron, and belongs to the field of electric fish signal detection, and the method comprises the steps: firstly collecting an acoustic emission signal generated by underwater discharge, and carrying out the preprocessing of pre-emphasis, framing and windowing, so as to improve the signal-to-noise ratio; then extracting Mel-frequency cepstrum coefficient characteristics of the signals, and performing first-order and second-order difference calculation optimization and fusion to form a characteristic parameter set with static and dynamic characteristics; and finally, inputting the characteristic parameters and the detection voltage value into a multi-layer perceptron neural network for nonlinear fitting, and reconstructing high-precision electric signal intensity. According to the method, the acoustic emission signal characteristics are effectively utilized, and the sensitivity and the confidence coefficient of underwater electric fish signal detection are remarkably improved.

1. Name of the Design Product: Electric Fish Scaler. 2. Use of the Design Product: This design product is used for an electric fish scaler. 3. Design Key Points of the Design Product: Lies in the shape design of the product. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 2. 5. The bottom surface of this design product is a part that is not easily seen or not seen during use, so the bottom view is omitted; since the enlarged top view reflects the design key points of the top view, the top view is omitted.

1. The name of the design product: electric fish scale machine (Y4). 2. The use of the design product: for shaving fish scales. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of the design product: electric fish scaler (U6). 2. The use of the design product: for electric fish scaler. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of this design product: Electric fish scale machine (Y3). 2. Purpose of this design product: used for shaving fish scales. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design.

1. The name of the design product: electric fish knife. 2. The use of the design product: the design product is used for electric fish knife. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses an electric fish which comprises a fish body, the fish body comprises at least three sections of split bodies which are sequentially and relatively connected in a rotating mode, and at least two sections of split bodies are the head of the fish body and the tail of the fish body respectively. And at least two groups of driving modules, at least one group of driving modules is a first driving module and is configured to drive the head of the fish body to rotate around a first pivotal axis relative to an adjacent split body, and at least the other group of driving modules is a second driving module and is configured to drive the head of the fish body to rotate around a second pivotal axis relative to an adjacent split body. And the tail part of the fish body can be driven to rotate around the second pivot shaft relative to the adjacent split body. Therefore, the fish body can advance and steer in water through relative rotation of the split bodies; moreover, the motion states of the head part and the tail part can be different, so that the motion states of the electric fish are more diversified, for example, when the head part and the tail part pivot, the fish body in water swims forwards; and when the head swings to one side and stops moving, and the tail rotates in a reciprocating manner, the fish body in the water turns.

1. The name of this design product: Electric fish scale scraper. 2. Purpose of this design product: used for scraping fish scales. 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 a swing driving module and an electric fish. The swing driving module comprises a base; the coil is wound on the base and can be electrically connected with a power supply; the swing rod is pivotally arranged on the base; the magnetic parts are sequentially arranged on the periphery of the swing rod in the circumferential direction of the swing rod, and the magnetism of the magnetic parts deviating from each other in the radial direction of the swing rod is opposite; wherein the coil wound on the base is arranged to be capable of changing the pivoting direction of the oscillating rod relative to the base when the direction of the current flowing through the coil is changed. Therefore, by winding the coil which can be electrically connected with the power supply and the oscillating rod which is pivotally arranged on the base and arranging the magnetic pieces with opposite magnetisms at the positions opposite to the radial direction of the oscillating rod, the pivoting direction of the oscillating rod relative to the base can be changed by changing the direction of the current flowing through the coil; the obtained swing driving module is simple in structure, compact in structure and small in size.

To enable efficient removal of scales from the surface of the fish's body. [Solution] An electric fish scale remover 1 for removing fish scales (S) comprises a main body 2 having a motor 2a, a rotating part 3 that is rotationally driven by the motor 2a, and a plurality of wing parts 4, ..., 4 that are spaced apart from each other in the circumferential direction of the rotating part 3 and protrude radially outward. Each of the wing parts 4, ..., 4 has a first end face (E1) that can be brought into contact with the fish body surface (F) when the rotation axis direction is perpendicular to the fish body surface (F) when rotated, and a first corner part (C1) provided at the circumferential end of the first end face (E1), wherein the outer contour viewed along the radial direction is bent perpendicularly or at an acute angle from the first end face (E1).

1. The name of the design product: electric fish scaler. 2. The use of the design product: the design product is used for scraping fish scales. 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 1. 5. The design claimed contains color. 6. A is transparent material.

1. The name of the design product: portable electric fish scaler. 2. The use of the design product: for scaling fish. 3. The design features of the design product: in shape. 4. The picture or photo that best shows the design features: perspective view.

The application discloses a kind of illegal fishing behavior identification warning method, device, equipment and medium.The method comprises: real-time acquisition of the monitoring video frame of monitored water area is input into prediction model;Prediction model is obtained according to the monitoring picture and derived monitoring picture training;According to the target detection frame, target category and confidence score of the monitoring video frame output by prediction model, identify three kinds of illegal fishing behavior of electric fishing, scoop fish, one person multi-rod fishing;Using ByteTrack target tracking algorithm, track three kinds of targets in monitoring video frame, i.e., electric fisher, scoop fisher and one person multi-rod fisher, obtain the tracking ID and trajectory of each target within a preset time period;If the tracking ID and trajectory of each target trigger a preset alarm condition, an illegal fishing alarm is issued.The technical scheme of the embodiment of the present application can identify illegal fishing behavior in complex water area in real time, and realize intelligent alarm, improve the identification accuracy of illegal fishing behavior.

The invention provides a fish collecting work ship for hydraulic engineering operation, which comprises a ship body and an electric fish blocking system, and the electric fish blocking system comprises a fish blocking electric grid group and a pulse voltage generating device; the fish blocking electric grid set comprises a first fish blocking electric grid arranged close to the river bank area and a second fish blocking electric grid arranged close to the river reach middle area of the ship body. The pulse voltage generating device is electrically connected with the first fish blocking electric grid and the second fish blocking electric grid and used for outputting first pulse voltage to the first fish blocking electric grid and outputting second pulse voltage to the second fish blocking electric grid. The voltage value of the first pulse voltage is larger than that of the second pulse voltage, so that fishes are concentrated in the middle area of the river reach close to the ship body through the voltage gradient formed by the first fish blocking electric grid and the second fish blocking electric grid. The fish collecting work ship for hydraulic engineering operation can effectively collect fishes, meanwhile, the fish collecting effect cannot be affected by river channel sundries, laying and recycling are convenient, and deepwater net foils can be effectively replaced.

1. The name of the design product: electric fish scaler. 2. The use of the design product: for fish scale scraping. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. Name of the product in this design: Electric fish scaler. 2. Purpose of this design: For scraping fish scales. 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: Stereoscopic drawing 1.

The invention provides an offshore fishery electric fishing boat space-time cooperative scheduling method and device, and the method comprises the steps: determining fishery energy demands according to the basic data of each fishery and the power initial state of fixed energy storage; determining a fishing boat resource state according to the fishing boat resource parameters of the electric fishing boat; determining a scheduling objective function according to the operation benefits of all the electric fishing boats and the source load unbalance degree of all the fishing grounds; determining constraint conditions of the electric fishing boat according to the fishing boat resource parameters of the electric fishing boat; according to the fishing boat resource parameters of the electric fishing boat, the constraint conditions of the electric fishing boat and the power parameters of the fixed energy storage, determining the power balance constraint of the fishing ground; and adopting a mixed integer programming solving method to obtain an optimal scheduling strategy based on the fishery energy demand, the fishing boat resource state, the scheduling objective function, the constraint condition of the electric fishing boat and the power balance constraint of the fishery. The optimal scheduling strategy is obtained by adopting a mixed integer programming solving method, and the operation benefit of the electric fishing boat and the source load balance of the fishing ground are both considered.