CN112616784A - Deep sea ultrasonic fish guiding device - Google Patents
Deep sea ultrasonic fish guiding device Download PDFInfo
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- CN112616784A CN112616784A CN202011603082.0A CN202011603082A CN112616784A CN 112616784 A CN112616784 A CN 112616784A CN 202011603082 A CN202011603082 A CN 202011603082A CN 112616784 A CN112616784 A CN 112616784A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 76
- 238000004891 communication Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000029264 phototaxis Effects 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 abstract description 4
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- 238000007789 sealing Methods 0.000 description 9
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- 230000003139 buffering effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
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- 238000010977 unit operation Methods 0.000 description 4
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- 238000009434 installation Methods 0.000 description 2
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
- A01K79/02—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery by electrocution
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
Abstract
The invention relates to the technical field of fishery equipment, and discloses deep-sea ultrasonic fish guiding equipment, which comprises an ultrasonic head and a connecting rope, wherein the ultrasonic head is provided with a connecting rod, the bottom end of the connecting rope is provided with a connecting head, the connecting head is embedded in the connecting rod, and the connecting head is rotatably connected with the connecting rod; the ultrasonic head has the ball shape casing, be equipped with ultrasonic transducer unit, attracting lamp unit, the control unit and be used for the power supply unit of power supply in the casing, the control unit control ultrasonic transducer unit outwards launches the ultrasonic wave, the ultrasonic wave attracts deep sea fish to gather together near region, attracting lamp unit of attracting constantly glimmering fish school. By utilizing the sound and phototaxis of most fishes, the ultrasonic head attracts the fishes in a deeper water area by ultrasonic waves and flickering light in deep sea to attract the fishes to concentrate in the fishing or catching range; the ultrasonic head can rotate in deep sea, so that the radiation range of ultrasonic waves and lamp light is not limited to a certain direction.
Description
Technical Field
The invention relates to the technical field of fishery equipment, in particular to deep sea ultrasonic fish guiding equipment.
Background
In recent years, with the improvement of living standard of people, more and more fishing enthusiasts are emerging, the fishing technique is not limited to the traditional fishing method any more, the fishing area is not limited to rivers, ponds, lakes and offshore areas any more, and many fishing enthusiasts like fishing deep-sea fishes.
The deep sea, commonly referred to as an ocean deep sea, occupies two thirds of the entire earth's surface area for areas where the ocean is more than 1000 meters deep. In this extensive deep sea space, fish resources are very abundant. For equipment used in deep sea, it is important that the equipment be resistant to pressure, requiring the equipment to be constructed to withstand the pressure of the deep sea.
However, the large ocean is not familiar to the fisher, and it is difficult to judge the fishing position, and there are more fishes in the deep ocean, and how to attract more and more distant fishes in the deep ocean to the fishing area is a urgent need to solve the problem.
Disclosure of Invention
The invention aims to provide deep-sea ultrasonic fish attracting equipment and aims to solve the problem that ideal deep-sea fish attracting equipment is lacked to attract deep-sea fish in the prior art.
The deep sea ultrasonic fish guiding device comprises an ultrasonic head and a connecting rope, wherein the ultrasonic head is provided with a connecting rod, the bottom end of the connecting rope is provided with a connecting head, the connecting head is embedded into the connecting rod, and the connecting head is rotatably connected with the connecting rod;
the ultrasonic head has the ball shape casing, be equipped with ultrasonic transducer unit, attracting lamp unit, the control unit and be used for the power supply unit of power supply in the casing, the control unit control ultrasonic transducer unit outwards launches the ultrasonic wave, the ultrasonic wave attracts deep sea fish to gather together near region, attracting lamp unit of attracting constantly glimmering fish school.
Furthermore, the inside of connecting rod upper end is equipped with the bearing, the outer lane of bearing with connecting rod fixed connection, the connector is connected on the inner race of bearing.
Furthermore, a plurality of swing blades are arranged on the connecting rod and are uniformly arranged around the connecting rod, and in the sinking process of the ultrasonic head, the swing blades are in an opening state.
Furthermore, the upper surface of the oscillating blade is in a smooth arc shape, and the lower surface of the oscillating blade is provided with a plurality of pits.
Further, the fish luring lamp unit comprises at least one color LED lamp and a mode controller, wherein the mode controller is used for controlling the flickering mode of the LED lamp.
Further, the casing includes the upper cover body and covers the body down, the upper cover body with the connection can be dismantled to the cover body down, be equipped with annular groove on the connection face of the cover body down, be equipped with annular arch on the connection face of the upper cover body, annular arch with annular groove phase-match.
Further, a double-layer window is arranged on the lower cover body and comprises an inner side window lens and an outer side window lens, a circular pressing block is arranged on the lower cover body, and the outer side window lens is fixed on the outer surface of the lower cover body through the circular pressing block; the inner side window lens is arranged in the lower cover body, and light of the fish luring lamp unit sequentially passes through the inner side window lens and the outer side window lens to irradiate the outside.
Furthermore, a plurality of reinforcing ribs are arranged inside the upper cover body and the lower cover body and used for supporting the upper cover body and the lower cover body.
Further, the ultrasonic head comprises a wireless communication unit, and the control unit and the mode controller are connected with the wireless communication unit.
Further, the device also comprises a motor and a winch, wherein the connection rope reel is arranged on the winch, and the motor drives the winch to rotate, so that the connection rope ascends or descends.
Compared with the prior art, the deep-sea ultrasonic fish attracting equipment provided by the invention utilizes the sound tendency and phototaxis of most fishes, and the ultrasonic head attracts the fishes in a deeper water area by ultrasonic waves and flickering light in deep sea to attract the fishes to concentrate in the range of fishing or catching, so that the fishing volume of a fisher or a fisher in unit operation time is improved, and the deep-sea ultrasonic fish attracting equipment has high economic value. The ultrasonic head is connected with the connecting rod in a rotating mode, so that the ultrasonic head can rotate in the deep sea, the radiation range of ultrasonic waves and lamplight is not limited to a certain direction, and the area near the fish attracting equipment can be attracted by attracting more fishes in a wider range.
Drawings
FIG. 1 is a schematic perspective view of a deep-sea ultrasonic fish-guiding device provided by the invention;
fig. 2 is a schematic diagram of the components of the deep sea ultrasonic fish-leading device provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-2, a preferred embodiment of the present invention is shown.
Deep sea supersound draws fish equipment, including ultrasonic head 100 and connection rope 200, be equipped with connecting rod 110 on the ultrasonic head 100, the bottom of connecting rope 200 is equipped with connector 210, and connector 210 imbeds in the inside of connecting rod 110, and connector 210 rotates with connecting rod 110 to be connected.
The ultrasonic head 100 is provided with a spherical shell, an ultrasonic transducer unit, a fish luring lamp unit, a control unit and a power supply unit for supplying power are arranged in the shell, the control unit controls the ultrasonic transducer unit to emit ultrasonic waves outwards, the ultrasonic waves attract deep-sea fishes to gather together to nearby areas, and the fish luring lamp unit continuously flickers to attract fish schools.
The ultrasonic wave is electromagnetic wave with frequency higher than 20000 Hz and has strong penetrating power.
An ultrasonic transducer is a device capable of converting high-frequency electric energy into mechanical energy, and generally has a magnetostrictive type and a piezoelectric ceramic type. For example, an ultrasonic transducer may use a piezoelectric ceramic resonant at an ultrasonic frequency, and the piezoelectric effect of the material converts an electrical signal into mechanical vibration (ultrasonic waves).
The ultrasonic transducer unit includes an ultrasonic generating circuit that converts an electric signal into mechanical vibration (ultrasonic wave) and an ultrasonic receiving circuit that converts the mechanical vibration (ultrasonic wave) into an electric signal. The ultrasonic receiving circuit may generally employ a monostable ultrasonic receiving circuit or a bistable ultrasonic receiving circuit.
The deep-sea ultrasonic fish attracting equipment provided by the embodiment utilizes the sound tendency and phototaxis of most fishes, and the ultrasonic head attracts the fishes in deeper water areas by ultrasonic waves and flickering light in deep sea to attract the fishes to concentrate in the range of fishing or catching, so that the fishing yield of a fisher or a fisher in unit operation time is improved, and the deep-sea ultrasonic fish attracting equipment has high economic value. The ultrasonic head is connected with the connecting rod in a rotating mode, so that the ultrasonic head can rotate in the deep sea, the radiation range of ultrasonic waves and lamplight is not limited to a certain direction, and the area near the fish attracting equipment can be attracted by attracting more fishes in a wider range.
The shell of the ultrasonic head 100 is spherical and conforms to hydrodynamics, and the resistance of the ultrasonic head 100 to seawater is relatively small in the process of ascending or descending. The shell of the ultrasonic head 100 comprises an upper cover 120 and a lower cover 130, the upper cover 120 and the lower cover 130 are hemispherical, the upper cover 120 and the lower cover 130 are fixedly connected through bolts, and a first sealing gasket is arranged at the joint of the upper cover 120 and the lower cover 130. The top of the upper cover body 120 is provided with a connecting rod 110, the connecting rod 110 and the upper cover body 120 can be integrally formed, and the connecting rod 110 can also be welded on the top of the upper cover body 120.
The lower cover 130 is provided with a double-layer window 140, the double-layer window comprises an inner window lens 142 and an outer window lens 141, the lower cover 130 is further provided with an annular pressing block 143, the annular pressing block 143 is connected with the lower cover 130 in a threaded connection or welding manner, and the outer window lens 141 is fixed on the outer surface of the lower cover 130 by the annular pressing block 143. The inner window lens 142 is disposed in the lower housing 130 to form a window of the lower housing 130, and light of the fish attracting lamp unit disposed in the housing is irradiated to the outside of the housing through the inner window lens 142 and the outer window lens 141 in sequence.
A rubber pad is arranged between the annular pressing block 143 and the outer window lens 141 to prevent seawater from entering, and simultaneously, the outer window lens 141 under seawater pressure plays a role in buffering and protecting. A sealing ring is arranged at the joint of the annular pressing block 143 and the lower cover body 130 to prevent seawater from entering. A sealing ring is also provided at the junction of the inner window lens 142 and the lower housing 130. The material of the sealing ring can be polytetrafluoroethylene and other materials capable of protecting glass.
On the connection surface of the lower cover 130 and the upper cover 120, an annular protrusion is provided on the lower cover 130, and an annular groove matched with the annular protrusion is provided on the upper cover 120. The annular groove of the upper cover body 120 is fitted on the annular protrusion of the lower cover body 130, so that the connection of the upper cover body 120 and the lower cover body 130 is not easy to be dislocated under deep sea pressure, and the reliability of the connection of the upper cover body and the lower cover body is enhanced.
When the upper cover body 120 is connected with the lower cover body 130, the first sealing gasket is arranged on the connecting surface of the upper cover body 120 and the lower cover body 130, so that the sealing performance of the connection of the upper cover body 120 and the lower cover body 130 is enhanced, seawater intrusion is prevented, and a certain buffering effect is also played, so that the upper cover body 120 and the lower cover body 130 are protected to a certain extent. A second sealing gasket is arranged in the annular groove of the lower cover body 130, so that the upper cover body 120 and the lower cover body 130 are tightly connected at the annular groove, and the sealing performance of the deep-sea ultrasonic fish-leading equipment in a deep-sea high-pressure environment is further enhanced.
In the deep sea ultrasonic fish guiding device, the ultrasonic transducer unit can also receive an ultrasonic echo signal, and then the echo signal is converted into an electric signal to be transmitted to the control unit. By sending ultrasonic signals and receiving echo signals thereof, the distance between the fish shoal and the deep-sea fish leading equipment can be detected. The ultrasonic wave is used for sending out a signal, the signal is reflected back after the ultrasonic wave touches a moving underwater object, the underwater fish condition is judged by calculating the time/direction/strength of signal response, the data such as the distance, the direction, the range and the like of the underwater fish school are obtained, and a user can find the underwater fish school conveniently.
In the deep sea ultrasonic fish-leading device, a bearing is arranged inside the upper end of the connecting rod 110, the outer ring of the bearing is fixedly connected with the connecting rod 110, for example, welded, and the connecting head 210 is connected to the inner ring of the bearing. When the deep sea fish attracting device is in the deep sea, under the influence of water flow, pulling of the connecting rope 200 and the like, the ultrasonic head 100 and the connecting rod 110 can rotate along with the bearing, ultrasonic waves are emitted to different directions, and fishes in different directions are attracted.
The connecting rod 110 is provided with a plurality of oscillating blades 220, the oscillating blades 220 are uniformly arranged around the connecting rod 110, the number of the oscillating blades 220 is 3-8, the position of each oscillating blade 220 close to the connecting rod 110 is narrow, and the position far away from the connecting rod 110 is wide. Each swing is connected to the connecting rod 110 by more than 2 rigid springs 221, and in a static state, the swing blade 220 and the connecting rod 110 form an angle of about 45 degrees. In the sinking process of the ultrasonic head 100, the swinging blade 220 is in an open state, and plays a role in buffering the ultrasonic head 100. In the ascending process of the ultrasonic head 100, the plurality of oscillating blades 220 form a conical structure with a narrow top and a wide bottom, and play a role in guiding water flow. The upper surface of the swinging blade 220 is in a smooth arc shape, so that the swinging blade 220 can guide water flow upwards in the rising process of the ultrasonic head 100; the lower surface of the swing blade 220 is formed with a plurality of pits, when the ultrasonic head 100 sinks, the lower water flow directly washes the pits, the stress is concentrated, and under the action of the rigid spring 221, the swing blade 220 is opened at a larger angle, so as to play a buffering role for the ultrasonic head 100. In addition, the material of the oscillating blade 220 can be selected from materials with density less than that of seawater, such as plastics, or the oscillating blade 220 with a hollow structure is formed to enable the whole density to be less than that of the seawater, so that certain buoyancy can be provided, the sinking of the ultrasonic head 100 can be buffered, and the floating of the ultrasonic head 100 can be accelerated.
The ultrasonic head 100 is provided with a fish attracting lamp unit which attracts fish groups by continuous flashing, and by using phototaxis of most fish groups and specific light as an attracting factor, the fish attracting lamp unit realizes calling attraction of fishes in a relatively far and deep water area, stimulates and attracts concentrated swimming of fishes to a catching or fishing range, and improves the fishing amount of a fish catcher or a fisher in unit operation time.
The fish luring lamp unit comprises at least one color LED lamp and a mode controller, and the mode controller is used for controlling the flickering mode of the LED lamp. For example, the fish luring lamp unit may be LED lamps of three colors of red (R), green (G), and blue (B), and the three colors are controlled by the mode controller to alternately emit light, simultaneously emit light, emit light of a single color, and the like. Attracting fish towards the sonotrode 100.
The power supply unit is arranged in the ultrasonic head 100, and the power supply unit is a rechargeable lithium battery which can be used for 24-48 hours after being charged once.
The ultrasonic head 100 comprises a wireless communication unit, the control unit and the mode controller are electrically connected with the wireless communication unit, and a user can establish communication connection with the wireless communication unit through the control device on a ship, so that the control unit and the mode controller are controlled, and related data of nearby fish schools can be obtained, so that more fishes are attracted to a nearby area of the fish attracting device, and fishing or catching is facilitated.
The deep sea ultrasonic fish-leading equipment further comprises a motor and a winch, wherein the connecting rope 200 is wound on the winch, and the motor drives the winch to rotate, so that the connecting rope 200 ascends or descends. A connect rope 200 than longer for fish equipment is drawn to deep sea supersound, will connect rope 200 reels through the capstan winch and get up, will make things convenient for much more to accomodating, otherwise knot, chaotic easily. The winch is driven by the motor to rotate, so that the connecting rope 200 ascends or descends, and compared with a hand-operated winch, the winch is labor-saving.
For the deep sea ultrasonic fish guiding device, in order to resist the influence of deep sea water pressure, the housing of the ultrasonic head 100 may be further improved, a reinforcing rib 150 may be provided at the inner sides of the upper cover 120 and the lower cover 130, a plurality of reinforcing ribs 150 may be welded at the inner sides of the upper cover 120 and the lower cover 130, the reinforcing ribs 150 may be integrally formed with the upper cover 120, the reinforcing ribs 150 may serve to support the upper cover 120 and the lower cover 130, strength of the upper cover 120 and the lower cover 130 may be increased, and deformation of the upper cover 120 and the lower cover 130 under deep sea pressure may be prevented.
Preferably, an inner casing is provided within the housing of the ultrasound head 100, the inner casing being a sealed device and forming an enclosed space between the inner casing and the housing into which a gas or liquid can be injected for pressurisation such that the pressure in the enclosed space is greater than the pressure in the inner casing. When the deep sea ultrasonic fish guiding device works in deep sea, the pressure of the external deep sea > the pressure of the closed space > the pressure in the internal housing, and the closed space plays a role in transitional buffering, namely, the pressure difference between the external deep sea and the closed space is smaller than the pressure difference between the external deep sea and the internal housing, so that the pressure to be born by the shell of the ultrasonic head 100 is relatively reduced, and the pressure resistance of the shell of the ultrasonic head 100 is improved.
An inner window is arranged on the inner housing, the position of the inner window corresponds to the position of the double-layer window on the lower housing 130, an inner lens is arranged on the inner window, and the inner lens is connected with the inner housing in a sealing manner. The inner window can be used as an installation window of a working element in the shell, and during installation, the working element is installed and fixed in the inner shell, and then the inner lens is sealed and fixed on the inner window.
The inner housing and the upper housing 120 may be fixedly connected by at least one fixing rod, or may be fixed to the inner walls of the upper housing 120 and the lower housing 130 by more than 3 magnetic fixing rods.
The deep sea ultrasonic fish attracting equipment provided by the invention utilizes the sound tendency and phototaxis of most fishes, and the ultrasonic head attracts the fishes in deeper water areas in deep sea by ultrasonic waves and flickering light to attract the fishes to concentrate in the range of fishing or catching, so that the fishing yield of a fisher or a fisher in unit operation time is improved, and the deep sea ultrasonic fish attracting equipment has high economic value. The ultrasonic head is connected with the connecting rod in a rotating mode, so that the ultrasonic head can rotate in the deep sea, the radiation range of ultrasonic waves and lamplight is not limited to a certain direction, and the area near the fish attracting equipment can be attracted by attracting more fishes in a wider range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The deep sea ultrasonic fish guiding equipment is characterized by comprising an ultrasonic head and a connecting rope, wherein the ultrasonic head is provided with a connecting rod, the bottom end of the connecting rope is provided with a connecting head, the connecting head is embedded in the connecting rod, and the connecting head is rotatably connected with the connecting rod;
the ultrasonic head has the ball shape casing, be equipped with ultrasonic transducer unit, attracting lamp unit, the control unit and be used for the power supply unit of power supply in the casing, the control unit control ultrasonic transducer unit outwards launches the ultrasonic wave, the ultrasonic wave attracts deep sea fish to gather together near region, attracting lamp unit of attracting constantly glimmering fish school.
2. The deep-sea ultrasonic fish-leading equipment as claimed in claim 1, wherein a bearing is arranged inside the upper end of the connecting rod, the outer ring of the bearing is fixedly connected with the connecting rod, and the connector is connected to the inner ring of the bearing.
3. The deep sea ultrasound fish-leading apparatus according to claim 2, wherein a plurality of swing blades are provided on the connecting rod, the plurality of swing blades are uniformly arranged around the connecting rod, and the swing blades are in an open state during the sinking of the ultrasound head.
4. The deep-sea ultrasonic fish-leading equipment as claimed in claim 3, wherein the upper surface of the oscillating blade is in a smooth arc shape, and the lower surface of the oscillating blade is provided with a plurality of concave pits.
5. The deep-sea ultrasonic fish-attracting device of claim 1 wherein the fish-attracting lamp unit includes at least one color LED lamp and a mode controller for controlling a flashing mode of the LED lamp.
6. The deep-sea ultrasonic fish-leading equipment as claimed in claim 1, wherein the housing comprises an upper cover and a lower cover, the upper cover is detachably connected with the lower cover, an annular groove is arranged on the connecting surface of the lower cover, an annular protrusion is arranged on the connecting surface of the upper cover, and the annular protrusion is matched with the annular groove.
7. The deep-sea ultrasonic fish-leading equipment as claimed in claim 6, wherein a double-layer window is arranged on the lower cover body, the double-layer window comprises an inner window lens and an outer window lens, an annular pressing block is arranged on the lower cover body, and the outer window lens is fixed on the outer surface of the lower cover body by the annular pressing block; the inner side window lens is arranged in the lower cover body, and light of the fish luring lamp unit sequentially passes through the inner side window lens and the outer side window lens to irradiate the outside.
8. The deep-sea ultrasonic fish-leading equipment as claimed in claim 6, wherein a plurality of reinforcing ribs are provided inside the upper cover and the lower cover for supporting the upper cover and the lower cover.
9. The deep-sea ultrasonic fish-leading apparatus of any one of claims 1-8, wherein the ultrasonic head comprises a wireless communication unit, and the control unit and the mode controller are connected with the wireless communication unit.
10. The deep-sea ultrasonic fish-leading apparatus of any one of claims 1-9, further comprising a motor and a winch, wherein the connecting rope reel is on the winch, and the motor drives the winch to rotate, so that the connecting rope ascends or descends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603082.0A CN112616784A (en) | 2020-12-29 | 2020-12-29 | Deep sea ultrasonic fish guiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603082.0A CN112616784A (en) | 2020-12-29 | 2020-12-29 | Deep sea ultrasonic fish guiding device |
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| CN112616784A true CN112616784A (en) | 2021-04-09 |
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| CN202011603082.0A Pending CN112616784A (en) | 2020-12-29 | 2020-12-29 | Deep sea ultrasonic fish guiding device |
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| CN206771075U (en) * | 2017-05-18 | 2017-12-19 | 凌云 | A kind of raft fishing fish-luring light |
| CN207931958U (en) * | 2018-02-05 | 2018-10-02 | 山东云翼航空科技有限公司 | Biomimetic fish |
| CN208080368U (en) * | 2018-03-02 | 2018-11-13 | 旭尔诺实业（东莞）有限公司 | A kind of automatic fish-catching container of collar plate shape |
| CN108684624A (en) * | 2018-05-22 | 2018-10-23 | 池云飞 | A kind of radar type fishing method |
| CN109122613A (en) * | 2018-09-07 | 2019-01-04 | 湖北第二师范学院 | A kind of intelligence angling device |
| CN211826505U (en) * | 2020-01-16 | 2020-10-30 | 南京信息工程大学 | Ultrasonic fish trapping instrument |
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Application publication date: 20210409 |