40 results about "Electric fish" patented technology

An electric fish barrier for deterring fish from entering a water intake in a reservoir or along a waterway has a set of conductive members at a first voltage potential and a second set of conductive members at a second voltage potential. The conductive members are disposed on support piles extending up from the bottom of the reservoir. Each conductive member extends vertically between a pre-determined range of depths from an upper depth to a lower depth, forming a contiguous voltage gradient between the two sets of conductive members. Fish are drawn to the attraction flow of water flowing into the intake. The two sets of conductive members are oriented such that the attraction flow passes through the contiguous voltage gradient, thereby deterring the fish from following the attraction flow into the water intake.

The inventive subject matter describes an electrical barrier for the deterrence of fish having an, the electrical barrier with a computer system capable of executing a modified soft-start algorithm, the computer system further having a detector input and a switch output; a bio-electric fish proximity detector, the bio-electric fish proximity detector having a anode-cathode detecting pair input and a signal output, wherein said signal output is connected to the detector input; a time varying voltage source.

The invention discloses an electricity-net composite fish blocking system and an electricity-net composite fish blocking method, wherein a rectangle ship passing net opening is formed in a ship passing passage which is arranged on a blocking net, and the size of the ship passing net opening fits in with the size of an electric fish-blocking and ship-passing facility, and a penetrating string is assembled in ship passing passage which is arranged on a blocking net; steel bars are arranged on the outer edge of a rectangle-shaped or U-shaped ship passing steel door frame of the electric fish-blocking and ship-passing facility and are used for connecting with a net-blocking and ship-passing net opening; the electric fish-blocking and ship-passing facility is arranged on the net-blocking and ship-passing net opening, two ends of the blocking net are fixed with ground anchors, a horizontal position of the electric fish-blocking and ship-passing facility and a vertical position of the electric fish-blocking and ship-passing facility are respectively fixed from four directions. The invention aims at providing the electricity-net composite fish blocking system and the electricity-net composite fish blocking method and the electricity-net composite fish blocking system and the electricity-net composite fish blocking method can not only effectively block fish, but also guarantee that large-tonnage ships can freely navigate without barriers for net blocking for fishing in large-scale landlocked waters.

The invention provides an automatic fishing device based on internet control, aiming at solving the problems that mechanical structures and methods in the prior art do not have practicality and operability, and cannot automatically complete bait charging, hook casting, fish releasing and other operations. The automatic fishing device comprises a fishing device, a fish-picking and bait-charging device, a fish storage device and an electric control system and is characterized in that a standard fishing pole is arranged at the upper part of a fishing pole connecting seat of the fishing device, and is provided with a fish signal sensor and an electric fish wire wheel; the fish storage device is provided with a fish releaser; a jaw clamping mechanism is arranged on the top of a jaw connecting seat of the fish-picking and bait-charging device between the fishing device and the fish storage device, and a hook-bait forming mechanism is arranged at the front end of the fish-picking and bait-charging device; the terminal computer of the electric control system is connected with net-connected electronic equipment; and a PLC (Programmable Logic Controller) is connected with the control end of the fishing device. The automatic fishing device is reasonable in design and compact in structure, and can realize field real fish picking including automatically fishing, releasing fish, charging bait, storing fish and releasing fish through remote video transmission and control based on the internet.

The invention discloses an urban lake ecological restoration method in the technical field of ecological restoration. The method comprises the following steps: step 1, regulation and control of a fishcommunity structure; step 2, wind wave reduction; step 3, water quality conditioning; step 4, planting of submerged plants; step 5, construction of a healthy food net; and step 6, long-acting maintenance and operation. According to the urban lake ecological restoration method, ecological restoration scheme design is carried out in a targeted mode, the adopted fish regulation and control method isdifferent from non-environment-friendly means such as net catching and fish electrifying of other ecological restoration projects in the past, operation is easy, the effect taking speed is high, damage to fishes is avoided, and reference is provided for fish regulation and control of similar water bodies; the adopted wave dissipation enclosure is different from a traditional enclosure made of a net film or a PVC material; an ecological environment-friendly water-permeable enclosure is adopted and can fluctuate up and down along with the water level, the water landscape is not affected while the environment-friendly and ecological functions are achieved, and rich implementation experience is provided for ecological restoration of urban water bodies with large stormy waves.

The invention relates to a large-torque electric fish wire wheel, wherein a main shaft, a motor, a wire winding wheel and a bearing are disposed inside a shell body, a clutch plate is disposed between the motor and the wire winding wheel, the bearing which can move horizontally along the main shaft is disposed inside the right end of the wire winding wheel, and adjustment bearing screw rods sleeve the bearing and the main shaft on the right end of the bearing; and a clutch adjustment handle and a fixation nut are disposed in sequence on the adjustment bearing screw rod outside a shaft hole in the right end face of the shell body, and a driving combining part, a driven combining part, a manual handle, a push force spring, a clamp spring and a fastening nut are disposed in sequence on the main shaft on the right end of the fixation nut. The large-torque electric fish wire wheel provided by the invention has the beneficial effects that the large-torque electric fish wire wheel has a small volume and a light weight, can be operated conveniently, generates huge torque force, will not generate self-twisting, can realize automatic wire winding quickly, realizes double functions including manual operations and electric operations, and can realize flexible adjustment of the torque force of the wire winding wheel.

The invention relates to a hand-held electric fish scale scraper, comprising a handle shell; the handle shell is internally provided with a battery pack; the output of the battery pack passes through a slide rheostat and is then connected with a motor by means of a control switch; an adjusting rotation wheel of the slide rheostat is used for adjusting the rotating speed of the motor; a barrel-shaped knife rest is fixedly arranged at the end of the left side of a driving shaft of the motor; the barrel-shaped knife rest comprises a base disc; a cylindrical inner framework is arranged on the base disc in an integral way; a plurality of scraper mounting tables having the same structures are arranged outside the cylindrical inner framework in an integral way; a strip-shaped scraper is fixedly arranged on the plane of each scraper mounting table; strip-shaped scale inlets are respectively formed in the vertical faces of the scraper mounting tables under the strip-shaped scrapers; the scale inlets are communicated with an internal cavity of the cylindrical inner framework by means of cavities in the scraper mounting tables. The hand-held electric fish scale scraper can realize efficient electric scaling for fish of different types and specifications, and avoids the injury caused by manual operation; the whole device is small and light, can be disassembled for cleaning, and is easy to carry.

An electronic ice fishing signaling device comprising of a circular frame member with three arms positioned in a star configuration and adapted to be supported in an upright position in an ice hole in an operative position. Support means are pivotally mounted legs attached to the support arms which are, adjustable to span an ice hole and support the circular frame member in an upright position. An actuator rod is pin mounted to the circular frame member and has a crank operated reel at the end thereof and positioned thereon to be above water when the circular frame member is in an operative position. A switch tripper is attached to the actuator rod at the upper end thereof, and is rotatable essentially ninety degrees to an armed position and will rotate downward when released from the armed position. A microswitch is mounted to the actuator rod end under the switch tripper when said column member is in an operative position. The actuator rod has a FM transmitter at the end thereof. When rotated by pay-out of line from the reel the actuator rod will release the switch tripper and the activate the microswitch. The microswitch is activated when the switch tripper is rotated ninety degrees and the FM transmitter signals a remote receiver.

The present invention relates to pliers technology, and is especially one kind of electric fish picking pliers. The electric fish picking pliers have one pliers body, one driving unit in the front part, one rotating screw matched with the driving unit, one eared nut on the screw, one pliers jaw with rear end connected via a locating pin with the ears of the nut, one sliding pin inside the slot on the pliers jaw, one pliers jaw jacket with rear end connected detachably to the front end of the pliers body, and one power source inside the pliers body. Compared with available technology, the present invention has the advantages of novel structure, convenient fish picking operation and other advantages.

The invention relates to a building method of an active bio-battery based on electrocytes. The method includes: separating the electric organs of electric fishes to extract the electrocytes, and forming electrocyte suspension or the mixed solution of the electrocytes and hydrogel; preparing a mixed solution of biological materials for manufacturing micro-nano fibers and conductive materials to obtain an even biological-conductive-material compound solution; using electrostatic spinning or the micro-nano 3D printing technology to prepare the biological-conductive-material compound solution into a support with a micro-nano fiber structure, planting or printing the electrocyte suspension or the mixed solution of the electrocytes and hydrogel onto the support to obtain a compound structure of the micro-nano structure and the electrocytes, and culturing in an in-vitro manner to allow the electrocytes to directionally grow and proliferate along the direction of the fibers so as to achieve electrocytes serial connection; winding or stacking to obtain the three-dimensional active bio-battery. The building method is clean, efficient, high in adaptability, and the like.

The invention relates to an electric fish collecting device, and belongs to the technical field of fixation nets without capturing devices. The electric fish collecting device comprises a collecting frame and fishing nets, one or more layers of fishing nets are fixedly installed on the inner side of the collecting frame, and the collecting frame further comprises a motor, a drive mechanism and a pulley set, and is composed of two arranged rectangular metal frame bodies which are in an inverted-V shape, and the pulley set comprises top pulleys, bottom pulleys I and bottom pulleys II, wherein the top pulleys are located on the two sides of the top of the collecting frame, the bottom pulleys I are located on the two sides of the bottom of the rectangular metal frame body on the front, and thebottom pulleys II are located on the two sides of the bottom of the rectangular metal frame body on the rear; the motor and the drive mechanism are located on the upper edge of the collecting frame,and the motor drives the top pulleys to rotate through the drive mechanism. A power supply is adopted for driving the electric fish collecting device, the number of operation workers is decreased, andefficiency is improved.

The invention discloses a particle size screening and homogenizing adjustable magnetic field generator for biological nanometer magnetic beads. The particle size screening and homogenizing adjustablemagnetic field generator comprises an iron core with a rectangular frame-shaped framework. A notch is arranged in the middle of a long edge of the iron core and is used for arranging to-be-processed nanometer magnetic bead samples; multiple layers of magnetic induction coils are wound at other three edges of the iron core, each layer of magnetic induction coils is partitioned by electric fish paper, and the magnetic induction coils are powered by a direct-current power supply; laser cutting machining is carried out on electric pure iron plates with high magnetic permeability to obtain the ironcore, and a single enameled wire is tightly wound on the outside of the iron core along the same direction according to right hand rules to form each magnetic induction coil. The particle size screening and homogenizing adjustable magnetic field generator has the advantages that the magnetic beads with the different particle sizes can be screened by the particle size screening and homogenizing adjustable magnetic field generator, large bulky aggregate and small magnetic beads with weak magnetism can be removed in preparation procedures, and accordingly particle size screening and particle andmagnetic responsiveness homogenization effects can be realized for the magnetic beads.

The invention relates to a fish-transporting vehicle, in particular to an electric fish-transporting vehicle. According to the electric fish-transporting vehicle, the situation that big fishes eat small fishes can be prevented. The electric fish-transporting vehicle comprises a compartment, a first transmission belt, a cam, a second support, a sliding sleeve, an extrusion pipe and the like; a motor is mounted at the bottom of the compartment; a first belt wheel is connected to an output shaft of the motor; a first support is mounted on the lower portion of the outer side of the right wall of the compartment; a bearing is mounted on the first support; a rotating shaft is in interference connection in the bearing; and a second belt wheel is mounted below the rotating shaft. The device specially applied to fish transportation is developed. The electric fish-transporting vehicle has the function of being capable of transporting a large quantity of finishes with the high survival rate, andnot only is the effect of the high fish survival rate achieved, but also the effect of rapid fishing is achieved. The electric fish-transporting vehicle has the characteristics of being convenient touse, safe in use, easy to operate, low in manufacturing cost and the like.

The present invention discloses an electric fish bait. The electric fish bait comprises a bait body, a fish tail, a battery, a motor, conductive silicon and a chip, wherein the fish tail is arranged at the tail end of the bait body; the battery, the motor and the conductive silicon are arranged in the bait body; the chip controls the operation of the motor; reinforcing ribs are arranged in the bait body, and the bait body is divided into a power supply area, a driving area and a fish tail swinging area by the reinforcing ribs; the battery is fixed in the power supply area; the motor, the conductive silicon and the chip are fixed in the driving area; one end of the fish tail is arranged in the fish tail swinging area; the motor is provided with a rotary connecting seat; one end of the fishtail is connected with the rotary connecting seat; the conductive silicon is connected with the chip; the chip is electrically connected with the battery; and conductive pieces are arranged on the side and the op of the battery respectively. According to the electric fish bait, the bait body is provided with the conductive silicon and the chip; and after the conductive silicon is in contact with water, the chip receives a signal to enable the battery to supply power for the motor, the motor drives the fish tail to swing to simulate swimming of a real fish in water so as to attract fish schools.

The invention discloses a linear reciprocating siphon fish excrement discharging device. The linear reciprocating siphon fish excrement discharging device comprises a fish culture tank, a water supplementing normally-closed electromagnetic valve, an electric fish feeder, an automatic fish excrement concentrating obtuse angle or arc-shaped fish tank bottom and an automatic control circuit. The linear reciprocating siphon fish excrement discharging device is characterized by further comprising a plurality of downward parallel siphon fish excrement holes 13 close to fish excrement and a linear reciprocating siphon fish excrement longitudinal extension pipe 14 which are in linkage to do linear reciprocating motion, and the reciprocating stroke is several centimeters, so that the length of thesiphon fish excrement reaches several meters. When a motor 18 and a siphon fish excrement discharging water pump 20 are started once to do linear reciprocating motion, the device works for several seconds once, the plurality of downward parallel siphon fish excrement holes 13 close to the fish excrement can rapidly suck in the fish excrement precipitated in an automatic fish excrement concentrating area 12, and the fish excrement is directly discharged out of a fish culture water system through a fish excrement mixed water discharging connector 21. The heavy burden that 100% of fish excrementis filtered by circulating water is solved from the source, the trouble of daily frequent cotton washing and water changing is avoided, and the fish culture maintenance cost is reduced.

The invention discloses a fishery electric fishing net. The fishery electric fishing net comprises a handheld rod and a net frame. The handheld rod is fixedly connected with the net frame, the net frame is of a cuboid structure, the upper side of the net frame is open, the periphery of the net frame is provided with multi-mesh netting, the net frame is provided with an opening and closing driving device, the bottom of the net frame is provided with an opening and closing bottom frame, screen cloth is arranged in the opening and closing bottom frame, and the opening and closing bottom frame is hinged to the net frame. The opening and closing driving device drives the opening and closing bottom frame to turn over. According to the scheme, a net bag bottom opening and closing structure is adopted, the opening and closing bottom frame is electrically controlled, the opening and closing bottom frame is closed during fishing and opened during fish releasing, the overall structure is simple, operation is convenient, the whole fish fishing process is efficient and labor-saving, and fishes are protected against damage in the fish fishing process.

The invention discloses an ecological farm. The ecological farm is characterized by comprising a fish pond, a water collection pond, a water purification pond, a farmland, and a house, wherein the fish pond is dug under the house, the water collection pond is buried under the farmland, and water is driven by water pumps to perform circulatory flow through the farmland and the fish pond. The beneficial effects of the ecological farm are as follows: no pond mud can be generated, a rice field cannot be occupied, the water flow cannot wash farmland silt, the stealthy fishing and electrocuted fishloss is reduced, welfares such as warm water, cold water, and shelters are provided for fish, farmland fish food is provided, the density of fish farming is increased, the quality of fishery productsis improved, the fish-farming human resource cost and feed cost are reduced, the fishing is convenient at any time, the enjoying of the fishing fun is convenient, window anti-theft nets are saved, andthe rice-fish symbiosis research, production, and leisure are facilitated. The invention is mainly used for the ecological farm construction.

The invention discloses a processing method of pond smelt, and belongs to the field of aquatic product processing. The method comprises the following steps: fishing pond smelt, cleaning the pond smeltuntil no silt is attached, airing the pond smelt on a tedding curtain for airing for 2-5 hours, frying the pond smelt until the belly of the fish bulges to be golden yellow, airing the fried pond smelt on the tedding curtain for a second time for 1-2 hours, and packaging and refrigerating the pond smelt. According to the invention, traditional fishing modes such as electric fishing, fish frying,net hanging fishing and the like are changed, the conditions that the pond smelt is damaged to a great extent and the original ecological quality, taste and nutrition cannot be achieved is avoided, noadditive is used in the whole processing process, so that the fish is crisper in original ecological taste and high in nutrient content, the fishing, airing, frying and refrigerating processes of thefish are completed within one day, the environment is protected, the cost is reduced, the labor is saved, the quality of the male fish is greatly improved, and the nutrient content of the fish required by a human body is locked.

The invention belongs to the field of biologic information science and particularly relates to an electric FISH (fluorescence in situ hybridization) method. The method comprises the following steps of performing sequence alignment by taking a probe sequence as a search sequence and a target sequence as a database sequence; modifying comparison results by using Perl script blast_parser.pl; deleting the results which are relatively short in segments and relatively poor in consistency from the comparison results; making a scatter plot diagram by taking positions of the probe sequence and the search sequence on the target sequence as ordinates and taking comparison times as abscissas. The method is simple and convenient in operation, the results are reliable and precise due to the fact that the results are verified by real FISH, the time and the cost are reduced, and the resolution is high and the pertinency is high due to the fact that a target DNA (deoxyribonucleic acid) can be a genome, a single chromosome, a specific sequence segment and the like.

An infrared contact type electric fishing device comprises a fish-shaped rack (1), wherein an infrared detection device (2), an infrared camera device (3) and a high-voltage current device (4) are arranged on the rack; a monitor (5) and a switch assembly (6) are connected to the tail end of the rack. During use, the rack is arranged in water and left to stand for waiting passing fish, when the device determines that fish passes, the high-voltage current device (4) generates high-voltage current to electrify the fish to be faint, and the outer surface of the rack is densely covered with the high-voltage current device (4) in a net shape; the monitor (5) has a prompt function and sends a prompt message synchronously when fish approaches the rack, and the prompt message adopts sound or LED light display; the impulse current of the high-voltage current device (4) can be adjusted. The infrared contact type electric fishing device can monitor the distance for the fish approaching the device in water flow in real time and perform electric fishing instantly, and the fishing efficiency is improved.