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150results about How to "Good fish luring effect" patented technology

Controlled release bait material and preparation method thereof

InactiveCN103004717AQuick and long-lasting releaseFast and long-lasting effectOther angling devicesWater insolubleMicrosphere
The invention relates to a controlled release bait material and a preparation method thereof. The controlled release bait material refers to small pills, micro-pills, microcapsules, microspheres, particles or sticks prepared from raw materials including a basic material, a feed attractant, a bonding agent, a hydrophilic high-polymer material, a water-insoluble high-polymer material, a quick-release material, a filler, a colorant, a flavoring agent and the like through a preparation means; and the controlled release bait material can be coated for improving the controlled release effect. The invention further discloses a preparation method of the bait material. The controlled release material has rapid and lasting attracting force on fishes, the fish attracting time can be adjusted according to the habit of a fisherman and the habits of fishes, the food ration and frequency of fishes are increased, the fishing success rate can be increased, the food intake of fishes in cultivation of fishes can be increased, the corrosion ratios of remnant feeds and feeds in water bodies are reduced, the utilization ratios of feeds is increased, and the water body environmental pollution is lowered. The preparation method provided by the invention is suitable for industrial production.
Owner:李群益 +2

Water complementing system for fish-way entrance

The invention discloses a water complementing system for a fish-way entrance, which has good fish attracting effects. The water complementing system comprises a water complementing pool, wherein a water completing header tube is connected on the water complementing pool; at least one water complementing sub tube is connected on the water complementing header tube; a plurality of water complementing branch tubes are connected on the water complementing sub tube. The water complementing system adopts a sectional water complementing manner to simultaneously complement water for a plurality of positions of the fish-way entrance, so that water flow speed of the whole fish-way entrance is simultaneously changed without destroying the flow regime at the fish-way entrance, the flow regime at the fish-way entrance is kept to be stable to effectively attract fishes to enter the fish-way, thereby achieving good fish attracting effects; moreover, a plurality of water complementing branch tubes are adopted to complement water, and flow speed at the exit of each water complementing branch tube is not too large, so that large interferences cannot be caused to the flow speed of the fish-way, the tracing of fishes is not affected and is not blocked. The water complementing system is suitable for popularization and application in the fish-way field.
Owner:POWERCHINA CHENGDU ENG

Streamline variable section recoil energy dissipation fishway with fish luring function

InactiveCN108221886BIncrease fish passing rateEasy to passBarrages/weirsTrappingWater flow
The invention provides a flow-line variable-cross-section back-flushing energy dissipation fishway with a fish luring function. The flow-line variable-cross-section back-flushing energy dissipation fishway comprises bottom plates, back-flushing water outlets, a base, flow-line-type combination side walls, back-flushing waterways, a lower chamber, an underwater water outlet; the flow-line-type combination side walls are uniformly arranged along the whole fishway; the back-flushing waterways are formed in the bottom plates and are located at downstream parts which are 60 cm away from narrowest parts of the fishways defined by the left and right flow-line-type combination side walls; the lower chamber is arranged below the bottom plates; the underwater water outlet is formed in a bottom partof a tail end of the lower chamber; and each back-flushing waterway is of a curve-surface structure of which the lower part is large and the upper part is small. The flow-line variable-cross-section back-flushing energy dissipation fishway has the beneficial effects that flowing speed and flow of bottom-layer water flows of the water outlets of the fishway are increased through bottom-layer high-pressure water flows, and a fish luring effect of the water outlets in the fishway is improved; back-flushing water flows and flow-line-type fishway side walls are designed, so that water flow energy in the fishway is dissipated; the flowing state and flowing speed of water flows in the fishway are improved; and a fish passing rate of the fishway is improved.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Flow-line variable-cross-section back-flushing energy dissipation fishway with fish luring function

InactiveCN108221886AIncrease fish passing rateEasy to passBarrages/weirsPass rateWater flow
The invention provides a flow-line variable-cross-section back-flushing energy dissipation fishway with a fish luring function. The flow-line variable-cross-section back-flushing energy dissipation fishway comprises bottom plates, back-flushing water outlets, a base, flow-line-type combination side walls, back-flushing waterways, a lower chamber, an underwater water outlet; the flow-line-type combination side walls are uniformly arranged along the whole fishway; the back-flushing waterways are formed in the bottom plates and are located at downstream parts which are 60 cm away from narrowest parts of the fishways defined by the left and right flow-line-type combination side walls; the lower chamber is arranged below the bottom plates; the underwater water outlet is formed in a bottom partof a tail end of the lower chamber; and each back-flushing waterway is of a curve-surface structure of which the lower part is large and the upper part is small. The flow-line variable-cross-section back-flushing energy dissipation fishway has the beneficial effects that flowing speed and flow of bottom-layer water flows of the water outlets of the fishway are increased through bottom-layer high-pressure water flows, and a fish luring effect of the water outlets in the fishway is improved; back-flushing water flows and flow-line-type fishway side walls are designed, so that water flow energy in the fishway is dissipated; the flowing state and flowing speed of water flows in the fishway are improved; and a fish passing rate of the fishway is improved.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Experimental device for attracting fish and replenishing water at fishway inlet of hydropower station

The invention relates to an experimental device for attracting fish and replenishing water at a fishway inlet of a hydropower station, which belongs to the field of water conservancy project facilities. The device comprises a fish attraction retaining wall, a flow control grid formed by two pore plates, an energy dissipation section, two water outlets, two fishway inlets, three fishway retaining walls, an isolation net, two control gates and other components. The control on water flow and flow velocity is realized through adjusting relative positions of the two pore plates of the flow control grid; a fishway inlet is arranged between every two adjacent fishway retaining walls; the control gates are arranged between the water outlets and the fishway inlets. The experimental device can control the water flow and the flow velocity at the fishway inlet, is high efficient and affordable, and integrates attracting fish and replenishing water effects into a whole, is simple in structure, convenient to operate, reliable and stable, and low in cost, and is remarkable in fish attracting effect through adding an attracting fish and replenishing water flow at the fishway inlets to form a fish attracting water flow so as to attract the fish to enter the fishway, and is suitable for being promoted and used in water conservancy projects.
Owner:SICHUAN UNIV

System and method for automatic phosgene fish attracting based on fish collection ship

The invention provides a system and a method for automatic phosgene fish attracting based on a fish collection ship. The system comprises the fish collection ship, wherein a fish guide screen is arranged on a ship bow of the fish collection ship; the ship bow is connected with a fish collection tank, a fish through passage is arranged in the middle part of the fish collection ship, at least one side of the fish collection ship is connected with a river bank through a blocking air curtain device, and a river course is blocked by an air curtain; an underwater fish attracting lamp is arranged at the bottom part of the fish guide screen, and a fish passage fish attracting lamp is arranged in the fish through passage; a ship head fish attracting lamp is arranged on the ship head of the fish collection ship. In the use process, the method comprises the following steps of opening the blocking air curtain device to block the river course; opening the ship head fish attracting lamp to attract fish schools; opening the ship head fish attracting lamp, the underwater fish attracting lamp and the fish passage fish attracting lamp to attract the fish schools to enter the fish through passage; enabling the fishes to enter the fish collection tank, so as to collect the fishes, and automatically control the whole process. The system and the method have the advantages that by adopting the scheme of combining the fish collection ship, the blocking air curtain device and the fish attracting lamp, the injury to fishes by a fish guide net in the prior art is avoided, the garage stacking is avoided, and the influence to normal navigation is avoided.
Owner:CHINA THREE GORGES UNIV

Water ecology comprehensive repairing system

The invention discloses a water ecology comprehensive repairing system which comprises oxygenating and aerating systems and animal and plant ecological cultivation systems which are arranged alternately along the riverway at intervals, wherein each of the oxygenating and aerating systems comprises an aerating disc, an air supply general pipe, an air supply branch pipe and air supply dividing discs; the air supply general pipe is arranged vertical to the riverway, the air inlet end of the air supply branch pipe is vertically bended downward and is then communicated with the air supply general pipe, the air supply dividing discs are arranged along the extension direction of the air supply branch pipe at intervals, and each of the air supply dividing discs is composed of a main channel and a plurality of dividing pipes; the dividing pipes are radially distributed on the circumferential side wall of the main channel, each of the dividing pipes is provided with an automatic control valve and is connected with one aerating disc through an air supply hose; each of the animal and plant ecological cultivation systems comprises a plant floating island, a fish nest and an ecological fish shelter which are sequentially arranged from bottom to top; the ecological fish shelter is a hollow hexahedron which is encircled by a top plate, a bottom plate, a left vertical plate, a right vertical plate, a front oblique plate and a rear oblique plate, wherein the cross section is an isosceles trapezoid. The system is good in oxygenating effect and remarkable in repairing effect.
Owner:CHONGQING UNIV

Artificial fish reef with lighting function

The invention discloses an artificial fish reef with a lighting function, particularly a plastic fish reef with a solar lighting function. The artificial fish reef with the lighting function is characterized in that the fish reef is a conical cylinder plastic shell with the diameter and the height of 1 to 3 meters respectively; the bottom of the conical cylinder plastic shell is screwed with a plastic disc bottom cover; waste chemical fertilizer plastic woven bags which are filled with sea sand are hung below the plastic disc bottom cover; large holes with the diameter of 0.2 to 0.5 meters and densely distributed small holes with the diameter of 5 to 10 millimetres are formed in the conical cylinder plastic shell and the disc bottom cover; green plastic velvet balls, yellow plastic antlers and upwards floating green plastic kelps are clamped in the small holes; a waterproof solar panel is mounted at the top of the conical cylinder; a storage battery and a light-operated lighting lamp are arranged below the solar panel. According to the artificial fish reef with the lighting function, the defects that the current artificial fish reef is high in production cost, troublesome in processing and manufacturing, large in size, difficult to transport, low in installation efficiency and poor in fish attracting and gathering effects can be overcome; the artificial fish reef with the lighting function is suitable for being installed quickly in broad sea areas of Nansha Islands in China.
Owner:马同金

Fishway inlet water-supplementing system, fishway and water-supplementing method

PendingCN111254889AFacilitate fish identificationImprove fish luring effectBarrages/weirsClimate change adaptationWater pipeWater resources
The invention provides a fishway inlet water-supplementing system, a fishway and a water-supplementing method. The fishway inlet water-supplementing system comprises a fishway slot body, an inclined fishway inlet which extends out of the fishway slot body and extends out of a river bank, and a water-supplementing tube which is arranged in the inclined fishway inlet in a penetrating mode, wherein the water-supplementing tube communicates with a tail water water-flow area. The fishway inlet water-supplementing method comprises the following steps: jointing the inclined fishway inlet, which extends out of the river bank, on the fishway slot body along the bank of the river bank, and arranging the water-supplementing tube on the inclined fishway inlet, wherein the water-supplementing tube guides tail water of the tail water water-flow area into the inclined fishway inlet for supplementing water to the inclined fishway inlet. The water-supplementing system can utilize tail water to supplement water for the fishway inlet for solving the problems that water resources are wasted as water is directly taken from an upstream reservoir, hydraulic power generation efficiency is reduced, a water-supplementing culvert pipeline is relatively long, and construction difficulty is relatively great.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T

Fish-luring simulated bait

The invention discloses a fish-luring simulated bait, and relates to the technical field of simulated baits. The fish-luring simulated bait comprises a frame body framework; a head shell is fixed at one end of the frame body framework; a plurality of rotating shafts are rotationally connected between the upper edge and the lower edge of the frame body framework; transmission wheels are fixed to the rotating shafts, and the transmission wheels are meshed in sequence; the two ends of the rotating shafts are connected with fish body shells, and the rotating shaft, far away from the head shell, is connected with a tail shell; the head shell, the multiple fish body shells and the tail shell are spliced into a fish body structure; a vertical edge of the frame body framework is rotationally connected with a transmission shaft; blades are arranged on the periphery of one end of the transmission shaft in an array mode, and a rotating disc is fixed to the other end of the transmission shaft; the rotating disc is rotationally connected with a connecting shaft; and the connecting shaft is hinged to the rotating shaft close to the head shell and used for driving the rotating shaft to perform reciprocating circumferential rotation through the connecting shaft. The fish body shells and the fish tail shell are connected through the rotating shaft, the rotating shaft is used for driving the fish body shells and the fish tail shell to swing, the swimming posture of fish is simulated, and the fish luring effect and the hooking rate of the simulated bait are improved.
Owner:安徽威尔玛渔具科技有限公司

Roller type fishing boat with adjustable light angle

The invention discloses a roller type fishing boat with an adjustable light angle. The roller type fishing boat comprises a deck, two boat bodies, an xenon search light, an angle adjusting device, wheels and foldable wheel stands, wherein each boat body comprises an outer side wall plate, an inner side wall plate and a bottom panel; each outer side wall plate has a V-shaped structure formed by butt joint of an upper inclined panel and a lower inclined panel; the angle adjusting device comprises a support frame, a vertical shaft, a servo motor A, a rotating frame, a transverse shaft, a servo motor B and a supporting seat; through control of the servo motor A and the servo motor B, the irradiation direction and irradiation angle can be adjusted; the foldable wheel stands comprise wheel brackets and hydraulic cylinders; the wheel brackets are hinged to the lower ends of the inner side wall plates of the boat bodies; the wheels are mounted on the wheel brackets; when folded, the hydraulic cylinders pull the wheel brackets into grooves in bottom panels of the boat bodies. Due to arrangement of the wheels, the boat can be easily pulled out of the water surface to be maintained. The xenon search light and the angle adjusting device are arranged, so that light rays can be gathered to a very far place.
Owner:GUANGDONG YUJIA AQUATIC FOOD

Fishing boat with xenon light searchlight

The invention discloses a fishing boat with a xenon light searchlight. The fishing boat comprises a deck and two hulls of the same structure. The deck is laid at the tops of the two hulls. A gap is formed between the two hulls. Each hull comprises an outer side wall plate, an inner side wall plate and a bottom panel. Each bottom panel is parallel to the deck. Each inner side wall plate is perpendicular to the corresponding bottom panel. Each outer side wall plate is of a V-shaped structure composed of an upper oblique panel and a lower oblique panel in a butt joint mode. The fishing boat also comprises a spherical solar cell which is arranged on a supporting base. The supporting base is arranged at the top of a rest room. The rest room is arranged on the deck. The fishing boat further comprises fault warning flashing lights. The four fault warning flashing lights are arranged on the four walls of the supporting base. The fishing boat further comprises the xenon light searchlight. The xenon light searchlight is arranged on a supporting frame. The supporting frame is arranged at the top of the rest room. The xenon light searchlight is additionally arranged, light rays can be gathered to a very far place, the searchlight filled with xenon is especially adopted, and a good lighting effect is achieved.
Owner:GUANGDONG YUJIA AQUATIC FOOD
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