Group aerial view type underwater fish school dynamic tracking observation instrument

Abstract

The invention discloses a group aerial view type underwater fish school dynamic tracking observation instrument, which belongs to the technical field of underwater detection, and comprises a mounting pipe, an underwater transducer and an analysis host, and the top of the mounting pipe is fixedly provided with a hanger. By means of a multi-angle adjusting mechanism composed of a lower arc-shaped ring groove, a lower ball bead, a connecting rod, an upper ball bead, a lantern ring, an upper arc-shaped ring groove, a shaft rod, a mounting disc and an electric telescopic rod in a shell and in combination with precise control over rotation of the shaft rod through a hydraulic driving mechanism, flexible adjustment of the detection angle and the coverage area of the underwater transducer is achieved; the underwater transducer is installed at the bottom end of the lower ball and can slide in the lower arc-shaped annular groove along with the lower ball, the upper ball is in adaptive linkage in the upper arc-shaped annular groove, then the limitation of fixed single-point detection of traditional equipment is thoroughly broken through through telescopic adjustment of the electric telescopic rod, the monitoring range is remarkably expanded, the group aerial view angle for overall distribution of underwater fish schools is formed, and the underwater fish schools can be effectively monitored. A larger water area can be covered at one time, and fish school density distribution data can be efficiently obtained.

Description

TECHNICAL FIELD

[0001] The present application relates to a fish population dynamic tracking observation instrument, in particular to a group overview type underwater fish population dynamic tracking observation instrument, belonging to the technical field of underwater detection. BACKGROUND

[0002] In the fields of fine control of aquaculture, investigation of marine fishery resources and monitoring of freshwater ecology, accurately grasping the real-time distribution, movement trajectory and density change of underwater fish population is the core prerequisite for realizing scientific baiting, reasonable fishing and maintenance of ecological balance. At present, underwater fish population detection mainly relies on ultrasonic fish population detector. Due to its strong adaptability to complex underwater environment and fast signal response speed, this type of equipment has become the mainstream underwater fish population detection tool in the industry.

[0003] However, the existing ultrasonic fish population detector has significant technical limitations: first, the detection direction is mainly vertical downward, and most of them adopt fixed installation design, which can only conduct single-point static detection on a fixed small range of water area under the probe. The horizontal detection radius is usually less than 8 meters, which cannot cover the fish population distribution of a large range of water area; second, it lacks dynamic tracking capability. When the fish population migrates horizontally or vertically, the equipment cannot adjust the detection range in real time according to the movement trend of the fish population, and it is difficult to form a "group overview" observation angle of the overall activity state of the fish population in the water area.

[0004] In summary, the current ultrasonic fish population detection technology faces the three technical bottlenecks of "fixed narrow detection range, lack of dynamic tracking, and lack of global observation capability", which cannot meet the actual needs of real-time, large-scale and full-view monitoring of underwater fish population. It is urgent to develop a new type of underwater fish population detection equipment that can realize "group overview" global observation and automatic dynamic tracking. SUMMARY

[0005] The main purpose of the present application is to provide a group overlooking type underwater fish dynamic tracking observation instrument, relying on the multi-angle adjusting mechanism composed of the lower arc-shaped ring groove, the lower ball, the connecting rod, the upper ball, the sleeve ring, the upper arc-shaped ring groove, the shaft, the mounting disc and the electric telescopic rod, combined with the precise control of the shaft rotation of the water-driven mechanism, the flexible adjustment of the detection angle and the coverage area of the underwater transducer is realized, the underwater transducer is installed at the bottom end of the lower ball, can slide in the lower arc-shaped ring groove with the lower ball, the upper ball is matched with the linkage in the upper arc-shaped ring groove, and then the extension adjustment of the electric telescopic rod is used, which completely breaks through the limitation of "fixed single point detection" of traditional equipment, not only significantly expands the monitoring range, forms the "group overlooking" angle of view of the overall distribution of underwater fish, can cover a larger water area at one time, efficiently obtains the fish density distribution data, but also can dynamically adapt to the fish activity state through the real-time adjustment of the electric telescopic rod in use, accurately captures the motion trajectory, migration speed and density change of the fish, fully meets the monitoring needs of "large range, full view angle and high precision" in the scenes of fine management and control of aquaculture, investigation of marine fishery resources and the like, solves the core pain point that the traditional equipment cannot synchronously track the fish dynamic, through the water-driven mechanism composed of the cylinder, the impeller, the rotating rod, the first bevel gear, the second bevel gear and the water turbine generator, has double functional value, not only can directly drive the shaft to rotate, provides power support for the multi-angle adjusting mechanism, guarantees the stability of the detection angle adjustment, but also can utilize the kinetic energy of the underwater natural water flow, drives the rotating rod and the bevel gear set transmission through the impeller rotation, drives the water turbine generator to convert the kinetic energy into electric energy, stores in the storage battery to supply power for each core component such as the underwater transducer and the electric telescopic rod, constructs the self-circulating power supply system of "water flow kinetic energy-electric energy-equipment power supply", greatly reduces the dependence of the equipment on external power supply, not only avoids the cumbersome operation of frequently replacing the storage battery of the traditional equipment, but also prolongs the continuous monitoring time of the equipment, significantly reduces the use cost and daily operation and maintenance difficulty of the equipment, especially adapts to the monitoring scene of long-term and remote water area, sets the conical filter screen at the front end of the installation pipe, can actively block the impurities in the water during the operation of the equipment, avoids the interference of the impurities into the equipment with the angle adjustment of the underwater transducer, at the same time, cooperates with the cleaning mechanism composed of the installation pipe end sliding groove, the sleeve, the buffer spring, the stand, the knocking rod, the knocking block, the tension spring, the trapezoidal block, the push plate, the reset spring, the stop block and the limiting groove, can automatically start knocking cleaning when the conical filter screen is blocked, the cleaning mechanism drives the knocking rod and the knocking block to act on the filter screen through mechanical transmission, shakes off the impurities attached on the filter screen, effectively prevents the filter screen from being blocked, greatly reduces the interference of the underwater complex environment on the equipment, reduces the frequency of manual maintenance, enables the equipment to stably adapt to different water quality scenes such as fresh water and sea water, significantly improves the durability and long-term operation stability of the equipment, through the fixing mechanism composed of the mounting plate, the guide groove, the sliding block, the screw rod and the adjusting block, has flexible installation and adjustment capacity, not only can stably fix the equipment on the mobile carrier or the fixed carrier, meets the installation requirements of different monitoring scenes,The installation position of the device can be freely adjusted through the sliding of the sliding block in the guide groove, and the tightness of the screw rod and the adjusting block can be adjusted to flexibly adapt to installation carriers of different sizes and specifications, without the need to customize special installation accessories for specific carriers, thereby reducing the device modification cost when the scene is switched.

[0006] The object of the present application can be achieved by adopting the following technical solutions:

[0007] A group overview type underwater fish school dynamic tracking observation instrument, comprising a mounting pipe, an underwater transducer and an analysis host, a hanger is fixedly installed at the top of the mounting pipe, a fixing mechanism connected with an external installation carrier is installed at the top end of the hanger;

[0008] The bottom end of the mounting pipe is fixedly provided with an outer shell, an arc-shaped lower ring groove is formed at the bottom end of the outer shell, a lower ball is rotatably installed in the arc-shaped lower ring groove, the bottom end of the lower ball extends to the outside of the outer shell and is fixedly connected with the underwater transducer, and the underwater transducer is wirelessly connected with the analysis host to transmit fish school detection signals;

[0009] A shaft rod is rotatably installed at the inner top of the outer shell, a mounting disc is horizontally fixed at the bottom end of the shaft rod, a connecting rod is vertically fixed at the top end of the lower ball, an upper ball is fixed at the top end of the connecting rod, a sleeve ring is rotatably installed at the outer side of the upper ball, an arc-shaped upper ring groove is formed in the inner side of the sleeve ring and rotatably matched with the upper ball, and an electric telescopic rod is arranged between the outer side of the sleeve ring and the mounting disc;

[0010] A hydraulic drive mechanism is arranged in the mounting pipe and used for driving the shaft rod to rotate around the axis thereof;

[0011] One end of the mounting pipe is provided with a conical filter screen, and a cleaning mechanism is arranged at the end of the mounting pipe top close to the conical filter screen, which is used for cleaning the impurities attached to the surface of the conical filter screen;

[0012] A storage battery is arranged at the top of the mounting pipe, a sealing cover is arranged at the outer side of the storage battery, and the storage battery is electrically connected with the underwater transducer and the electric telescopic rod through wires to realize power supply.

[0013] Preferably, the fixing mechanism comprises a mounting plate, a guide groove, a sliding block and a screw rod, the guide groove is formed in the side edge of the mounting plate along the height direction thereof, the sliding block is slidably arranged in the guide groove, the end of the hanger is fixed to the outer side wall of the sliding block, and the screw rod is rotatably arranged between the two ends of the guide groove and penetrates through the sliding block and is threadedly matched with the sliding block.

[0014] Preferably, the fixing mechanism further comprises an adjusting block, one end of the screw rod extends to the outside of the guide groove, and the end of the screw rod located outside the guide groove is fixedly provided with the adjusting block, and the outer side wall of the adjusting block is provided with anti-skid lines.

[0015] Preferably, the inner side wall of the arc-shaped lower ring groove is provided with a sealing gasket, and the inner side of the sealing gasket is attached to the surface of the lower ball.

[0016] Preferably, the hydraulic driving mechanism comprises a cylinder, an impeller, a rotating rod, a first bevel gear and a second bevel gear, the cylinder is arranged along the length direction of the mounting pipe and is fixed at the middle position inside the mounting pipe, the rotating rod is rotatably arranged inside the cylinder, the impeller is rotatably arranged at the end of the rotating rod away from the conical filter screen, the first bevel gear is fixedly arranged on the rotating rod, the second bevel gear is meshingly arranged on the outer side of the first bevel gear, and the second bevel gear is fixed at the top end of the shaft.

[0017] Preferably, the hydraulic driving mechanism further comprises a hydraulic generator, the hydraulic generator is arranged at the end of the cylinder away from the impeller, the end of the rotating rod is connected with the driving shaft of the hydraulic generator, and the hydraulic generator is connected with the storage battery through a wire.

[0018] Preferably, the end of the mounting pipe close to the conical filter screen is provided with a sliding groove, the sliding groove is slidably provided with a sleeve, the buffer spring is arranged between the sleeve and the inner end of the sliding groove, and the end of the sleeve away from the buffer spring is fixedly connected with the conical filter screen.

[0019] Preferably, the cleaning mechanism comprises a stand, a knocking rod, a knocking block, a tension spring, a trapezoidal block, a push plate, a reset spring, a stop block and a limiting groove, the stand is fixed at the top of the mounting pipe, the knocking rod is hingedly arranged on the side of the stand close to the conical filter screen, the end of the knocking rod is fixedly provided with the knocking block which is attached to the surface of the conical filter screen, the tension spring is arranged between the knocking rod and the stand, the trapezoidal block is fixedly arranged at the bottom of the knocking rod, and the inclined surface of the trapezoidal block faces the conical filter screen, the push plate is hingedly arranged at the top of the sleeve, the reset spring is arranged between the side of the push plate close to the trapezoidal block and the sleeve, the stop block is fixedly arranged at the top of the sleeve, the surface of the stop block close to the side of the push plate away from the trapezoidal block is attached to the push plate, the limiting groove is arranged at the top of the end of the mounting pipe close to the conical filter screen, and the push plate and the stop block slide inside the limiting groove.

[0020] Preferably, the conical filter screen is integrally formed by 304 stainless steel, the mesh diameter of the conical filter screen is 0.5-2 mm, the knocking block is of a composite structure that a nylon core is wrapped by nitrile rubber, and the shape of the knocking block is spherical.

[0021] Preferably, the inside of the analysis host is provided with a data processing module and a wireless transmission module, the data processing module is wirelessly connected with the underwater transducer, is used for receiving the fish school signal detected by the underwater transducer, and analyzes and processes the data such as the distribution position, density and motion track of the fish school, and the wireless transmission module can transmit the dynamic data of the fish school processed by the data processing module to an external terminal in real time.

[0022] The beneficial effects of the present application are as follows:

[0023] The application provides a group overlooking type underwater fish group dynamic tracking observation instrument, which is composed of a multi-angle adjusting mechanism of a lower arc-shaped ring groove, a lower ball, a connecting rod, an upper ball, a sleeve ring, an upper arc-shaped ring groove, a shaft rod, a mounting disc and an electric telescopic rod in the shell, and realizes flexible adjustment of the detection angle and the covered area of the underwater transducer through the precise control of the shaft rod rotation of the water power driving mechanism, the underwater transducer is installed at the bottom end of the lower ball and can slide in the lower arc-shaped ring groove, the upper ball is adapted to linkage in the upper arc-shaped ring groove, and then the telescopic adjustment of the electric telescopic rod is utilized, so that the limitation of the traditional equipment "fixed single-point detection" is completely broken, the monitoring range is significantly expanded, the "group overlooking" visual angle of the overall distribution of the underwater fish group is formed, a larger water area can be covered at one time, the fish group density distribution data can be efficiently obtained, the fish group activity state can be dynamically adapted through the real-time adjustment of the electric telescopic rod during use, the motion track, migration speed and density change of the fish group can be accurately captured, the monitoring requirements of "large range, full visual angle and high precision" in the scenes of fine management and control of aquaculture and investigation of marine fishery resources are completely met, and the core pain point that the traditional equipment cannot synchronously track the fish group dynamics is solved.

[0024] The water power driving mechanism composed of the cylinder, the impeller, the rotating rod, the first bevel gear, the second bevel gear and the water power generator has double functional values, can directly drive the shaft rod to rotate and provide power support for the multi-angle adjusting mechanism, ensures the stability of the detection angle adjustment, can utilize the kinetic energy of the underwater natural water flow, drives the rotating rod and the bevel gear set transmission through the impeller rotation, drives the water power generator to convert the kinetic energy into electric energy, stores the electric energy in the storage battery to supply power to each core component such as the underwater transducer and the electric telescopic rod, constructs a self-circulation power supply system of "water flow kinetic energy-electric energy-equipment power supply", greatly reduces the dependence of the equipment on external power supply, avoids the cumbersome operation of frequently replacing the storage battery of the traditional equipment, prolongs the continuous monitoring time of the equipment, significantly reduces the use cost and daily operation and maintenance difficulty of the equipment, and is especially suitable for monitoring scenes in long-term and remote water areas.

[0025] The conical filter screen is arranged at the front end of the mounting pipe, so that impurities in the water can be actively blocked during equipment operation to avoid the interference of impurities on the angle adjustment of the underwater transducer, meanwhile, the cleaning mechanism composed of the end sliding groove, the sleeve, the buffer spring, the upright column, the knocking rod, the knocking block, the tension spring, the trapezoidal block, the push plate, the reset spring, the stop block and the limiting groove can automatically start knocking and cleaning when the conical filter screen is blocked, the knocking rod and the knocking block of the cleaning mechanism are driven by mechanical transmission to act on the filter screen, and the impurities attached to the filter screen are shaken off, so that the filter screen is effectively prevented from being blocked, the interference of the underwater complex environment on the equipment is greatly reduced, the frequency of manual maintenance is reduced, the equipment can stably adapt to different water quality scenes such as fresh water and sea water, and the durability and long-term operation stability of the equipment are significantly improved.

[0026] By the fixing mechanism composed of the mounting plate, the guide groove, the sliding block, the screw rod and the adjusting block, flexible installation and adjustment capacity are achieved, the equipment can be stably fixed on the mobile carrier or the fixed carrier, installation requirements of different monitoring scenes are met, the equipment installation position can be freely adjusted through the sliding of the sliding block in the guide groove, the screw rod and the adjusting block are matched with the tightness adjustment, different sizes and specifications of the installation carrier can be flexibly adapted, special installation accessories do not need to be customized for specific carriers, and the equipment modification cost during scene switching is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front view of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0028] Figure 2 It is an internal section view of the shell and the mounting pipe of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0029] Figure 3 It is a fixing mechanism diagram of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0030] Figure 4 It is a section view of a thimble of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0031] Figure 5 It is a hydraulic drive mechanism diagram of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0032] Figure 6 It is a mounting pipe section view of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0033] Figure 7 It is a Figure 2 Enlarged view at A in the figure;

[0034] Figure 8 It is an initial state diagram of a cleaning mechanism of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0035] Figure 9 It is a jacking state diagram of a cleaning mechanism of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument;

[0036] Figure 10 It is a reset state diagram of a cleaning mechanism of a preferred embodiment of the group overview type underwater fish school dynamic tracking observation instrument.

[0037] In the figure: 1, mounting pipe; 2, hanger;

[0038] 3. Fixing mechanism; 301. Mounting plate; 302. Guide groove; 303. Slider; 304. Screw; 305. Adjusting block;

[0039] 4. Outer shell; 5. Lower arc-shaped annular groove; 6. Lower ball bearing; 7. Underwater transducer; 8. Analyzer main unit; 9. Connecting rod; 10. Upper ball bearing; 11. Collar; 12. Upper arc-shaped annular groove; 13. Shaft; 14. Mounting plate; 15. Electric telescopic rod;

[0040] 16. Hydraulic drive mechanism; 1601. Cylinder; 1602. Impeller; 1603. Rotating rod; 1604. First bevel gear; 1605. Second bevel gear; 1606. Hydroelectric generator;

[0041] 17. Conical filter screen; 1701. Slide groove; 1702. Sleeve; 1703. Buffer spring;

[0042] 18. Cleaning mechanism; 1801. Column; 1802. Striking rod; 1803. Striking block; 1804. Tension spring; 1805. Trapezoidal block; 1806. Push plate; 1807. Return spring; 1808. Stop block; 1809. Limiting groove;

[0043] 19. Storage battery; 20. Sealing cover. Detailed Implementation

[0044] To enable those skilled in the art to more clearly understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0045] Example 1

[0046] like Figures 1-10 As shown, this embodiment provides a group-view underwater fish dynamic tracking and observation instrument, including an installation tube 1, an underwater transducer 7 and an analysis host 8. A bracket 2 is fixedly installed on the top of the installation tube 1, and a fixing mechanism 3 connected to an external installation carrier is installed on the top of the bracket 2.

[0047] The bottom end of the mounting tube 1 is fixed with a housing 4. The bottom end of the housing 4 is provided with a lower arc-shaped groove 5. A lower ball 6 is rotatably installed inside the lower arc-shaped groove 5. The bottom end of the lower ball 6 extends to the outside of the housing 4 and is fixedly connected to the underwater transducer 7. The underwater transducer 7 is wirelessly connected to the analysis host 8 to transmit fish school detection signals.

[0048] The inner top of the shell 4 is rotatably installed with a shaft 13, the bottom end of the shaft 13 is fixedly installed with a mounting disc 14, the top end of the lower ball 6 is fixedly installed with a connecting rod 9, the top end of the connecting rod 9 is fixedly installed with an upper ball 10, the outer side of the upper ball 10 is rotatably installed with a sleeve ring 11, the inner side of the sleeve ring 11 is provided with an upper arc-shaped ring groove 12 which is rotatably matched with the upper ball 10, and the outer side of the sleeve ring 11 is provided with an electric telescopic rod 15 between the sleeve ring 11 and the mounting disc 14.

[0049] The inside of the mounting pipe 1 is provided with a hydraulic drive mechanism 16 for driving the shaft 13 to rotate around the axis thereof.

[0050] One end of the mounting pipe 1 is provided with a conical filter screen 17, and the top of the mounting pipe 1 is provided with a cleaning mechanism 18 near the one end of the conical filter screen 17 for cleaning the impurities attached to the surface of the conical filter screen 17.

[0051] The top of the mounting pipe 1 is provided with a storage battery 19, the outer side of the storage battery 19 is provided with a sealing cover 20, and the storage battery 19 is electrically connected with the underwater transducer 7 and the electric telescopic rod 15 through wires to realize power supply.

[0052] The overall working principle is that before the equipment is used, the whole equipment is stably connected with an external installation carrier (such as a breeding net cage support, a monitoring ship side, an underwater fixed pile, etc.) through the fixing mechanism 3 at the top end of the mounting pipe 1 top hanger 2, after the connection is completed, the storage battery 19 supplies power to the underwater transducer 7 and the electric telescopic rod 15 through wires, and the equipment enters a working state.

[0053] When working, the underwater transducer 7 continuously emits and receives ultrasonic signals to detect underwater fish group information, and transmits the fish group detection signal to the analysis host 8 in a wireless manner. If it is necessary to adjust the detection angle and coverage range of the underwater transducer 7, on the one hand, the hydraulic drive mechanism 16 in the inside of the mounting pipe 1 can drive the shaft 13 at the inner top of the shell 4 to rotate around the axis thereof, and the mounting disc 14 at the bottom end of the shaft 13 rotates synchronously with the shaft 13; on the other hand, the electric telescopic rod 15 between the mounting disc 14 and the sleeve ring 11 is telescopic to drive the sleeve ring 11 to move, because the sleeve ring 11 is rotatably matched with the upper ball 10 through the inner upper arc-shaped ring groove 12, and the upper ball 10 is fixedly connected with the lower ball 6 through the connecting rod 9, the lower ball 6 can rotate in the lower arc-shaped ring groove 5 at the inner bottom of the shell 4, so the telescopic of the electric telescopic rod 15 can drive the upper ball 10, the connecting rod 9 and the lower ball 6 to link together, and finally realize the multi-angle adjustment of the underwater transducer 7 at the bottom end of the lower ball 6, expand the detection coverage range and track the fish group dynamics.

[0054] Meanwhile, the conical filter screen 17 at one end of the installation pipe 1 can block impurities (such as algae, silt particles, small aquatic organism residues, etc.) in the water from entering the inside of the installation pipe 1, avoiding the impurities from interfering with the rotation of the shaft rod 13 or the extension and retraction of the electric telescopic rod 15. If the conical filter screen 17 is blocked due to impurities adhering to the surface of the conical filter screen 17, the cleaning mechanism 18 at the top of the installation pipe 1 near the conical filter screen 17 will automatically start to knock and clean the surface of the conical filter screen 17, and shake off the adhering impurities. In addition, the sealing cover 20 outside the storage battery 19 can prevent underwater moisture from entering the inside of the storage battery 19, ensuring the stability of power supply and ensuring that the equipment can continuously achieve dynamic tracking observation of the "group overlooking" of the fish population.

[0055] Embodiment 2

[0056] The scheme in Embodiment 1 will be further introduced in combination with a specific working mode, and details are described below:

[0057] In this embodiment, the fixing mechanism 3 includes a mounting plate 301, a guide groove 302, a sliding block 303, and a screw rod 304. The guide groove 302 is formed in the side edge of the mounting plate 301 along the height direction of the mounting plate 301. The sliding block 303 is slidably arranged in the guide groove 302. The end of the hanger 2 is fixed to the outer side wall of the sliding block 303. The screw rod 304 is rotatably arranged between the two ends of the guide groove 302, and penetrates through the sliding block 303 and is threadedly connected with the sliding block 303.

[0058] Partial working principle: when connecting, the mounting plate 301 is fixed with an external installation carrier. If it is necessary to adjust the height position of the equipment, the screw rod 304 is rotated between the two ends of the guide groove 302. Since the screw rod 304 penetrates through the sliding block 303 and is threadedly connected with the sliding block 303, the sliding block 303 is limited in the guide groove 302 and cannot rotate with the screw rod 304. Therefore, the rotation of the screw rod 304 will be converted into the sliding of the sliding block 303 along the height direction of the guide groove 302. Since the end of the hanger 2 is fixed to the outer side wall of the sliding block 303, the sliding of the sliding block 303 will drive the hanger 2, the installation pipe 1, and the whole equipment to move synchronously, so as to finally realize the flexible adjustment of the installation position of the equipment.

[0059] In this embodiment, the fixing mechanism 3 further includes an adjusting block 305. One end of the screw rod 304 extends to the outside of the guide groove 302, and the end of the screw rod 304 located outside the guide groove 302 is fixed with the adjusting block 305. The outer side wall of the adjusting block 305 is provided with anti-skid lines.

[0060] Partial working principle: when rotating the screw rod 304, the adjusting block 305 can be controlled by rotating. The outer side wall of the adjusting block 305 is provided with anti-skid lines, which can increase the friction between the hand and the adjusting block 305, so as to avoid slipping when rotating.

[0061] In this embodiment, the inner side wall of the lower arc-shaped ring groove 5 is provided with a sealing gasket, and the inner side of the sealing gasket is attached to the surface of the lower ball 6.

[0062] Local working principle: On the one hand, the sealing gasket can fill the gap between the lower arc-shaped ring groove 5 and the lower ball 6, prevent underwater water, silt and other impurities from entering the inside of the shell 4 through the gap, and avoid the interference of impurities with the linkage of the connecting rod 9, the upper ball 10 and the collar 11; on the other hand, the sealing gasket can reduce the direct friction between the lower ball 6 and the inner wall of the lower arc-shaped ring groove 5 when the lower ball 6 rotates, reduce the wear of the parts, and prolong the service life of the lower ball 6 and the lower arc-shaped ring groove 5.

[0063] In this embodiment, the hydraulic drive mechanism 16 includes a cylinder body 1601, an impeller 1602, a rotating rod 1603, a first bevel gear 1604 and a second bevel gear 1605, the cylinder body 1601 is arranged along the length direction of the mounting pipe 1 and is fixed at the middle position inside the mounting pipe 1, the rotating rod 1603 is rotatably installed inside the cylinder body 1601, the impeller 1602 is rotatably installed at the end of the rotating rod 1603 away from the conical filter screen 17, the first bevel gear 1604 is fixedly installed on the rotating rod 1603, the second bevel gear 1605 is meshingly installed on the outer side of the first bevel gear 1604, and the second bevel gear 1605 is fixed at the top end of the shaft rod 13.

[0064] Local working principle: The underwater natural water flow impacts the impeller 1602 at the end of the rotating rod 1603 inside the cylinder body 1601 away from the conical filter screen 17, pushes the impeller 1602 to rotate, and drives the rotating rod 1603 to rotate synchronously inside the cylinder body 1601; the first bevel gear 1604 fixed on the rotating rod 1603 rotates with the rotating rod 1603, and the rotation of the first bevel gear 1604 drives the second bevel gear 1605 and the shaft rod 13 to rotate synchronously due to the meshing of the first bevel gear 1604 and the second bevel gear 1605 at the top end of the shaft rod 13, thereby providing the shaft rod 13 with rotating power.

[0065] In this embodiment, the hydraulic drive mechanism 16 further includes a hydraulic generator 1606, the hydraulic generator 1606 is installed at the end of the cylinder body 1601 away from the impeller 1602, the end of the rotating rod 1603 is connected with the driving shaft of the hydraulic generator 1606, and the hydraulic generator 1606 is connected with the storage battery 19 through wires.

[0066] Local working principle: When generating electricity, the end of the rotating rod 1603 drives the driving shaft of the hydraulic generator 1606 at the end of the cylinder body 1601 away from the impeller 1602 to rotate while the rotating rod 1603 rotates, the hydraulic generator 1606 converts the mechanical energy transmitted by the rotating rod 1603 into electrical energy, and then transmits the electrical energy to the storage battery 19 through wires for storage, thereby continuously supplying power to the underwater transducer 7, the electric telescopic rod 15 and other components, and constructing a self-circulating power supply system.

[0067] In the embodiment, the mounting pipe 1 is provided with a sliding groove 1701 at one end close to the conical filter screen 17, a sleeve 1702 is slidingly arranged in the sliding groove 1701, a buffer spring 1703 is arranged between the sleeve 1702 and the inner end of the sliding groove 1701, and the sleeve 1702 is fixedly connected to the conical filter screen 17 at an end away from the buffer spring 1703.

[0068] Local working principle: when the water flow impacts the conical filter screen 17 or the conical filter screen 17 slightly collides with the floating objects in the water, the conical filter screen 17 drives the sleeve 1702 to slide along the sliding groove 1701 to the inside of the mounting pipe 1, and the buffer spring 1703 is compressed. The buffer spring 1703 absorbs the impact force by its elastic deformation, avoids the deformation or damage of the conical filter screen 17 due to excessive force, and reduces the impact on the overall structure of the mounting pipe 1.

[0069] In the embodiment, the cleaning mechanism 18 includes a stand 1801, a knocking rod 1802, a knocking block 1803, a tension spring 1804, a trapezoidal block 1805, a push plate 1806, a return spring 1807, a stop block 1808, and a limiting groove 1809. The stand 1801 is fixed to the top of the mounting pipe 1, the knocking rod 1802 is hingedly installed on one side of the stand 1801 close to the conical filter screen 17, the end of the knocking rod 1802 is fixedly connected to the knocking block 1803 abutting the surface of the conical filter screen 17, the tension spring 1804 is arranged between the knocking rod 1802 and the stand 1801, the trapezoidal block 1805 is fixed to the bottom of the knocking rod 1802, and the inclined surface of the trapezoidal block 1805 faces the conical filter screen 17. The push plate 1806 is hingedly installed at the top of the sleeve 1702 close to the trapezoidal block 1805, the return spring 1807 is arranged between the push plate 1806 and the sleeve 1702, the stop block 1808 is fixed to the top of the sleeve 1702, the surface of the stop block 1808 abuts the push plate 1806 away from the trapezoidal block 1805, the limiting groove 1809 is formed in the top of the mounting pipe 1 close to the conical filter screen 17, and the push plate 1806 and the stop block 1808 slide in the limiting groove 1809.

[0070] Local working principle: in the initial state, the tension spring 1804 between the knocking rod 1802 and the stand 1801 is in a natural tension state, and the knocking block 1803 at the end of the knocking rod 1802 abuts the surface of the conical filter screen 17; when the surface of the conical filter screen 17 is attached with impurities, the water flow pushes the conical filter screen 17 to move towards the mounting pipe 1, the conical filter screen 17 drives the sleeve 1702 to slide along the sliding groove 1701 and compresses the buffer spring 1703, and the push plate 1806 at the top of the sleeve 1702 moves synchronously with the sleeve 1702.

[0071] During the movement of the push plate 1806, the end thereof is in contact with the inclined surface of the trapezoidal block 1805 at the bottom of the knocking rod 1802 and presses the trapezoidal block 1805, because the inclined surface of the trapezoidal block 1805 faces the conical filter screen 17, the pressing force is converted into upward force, which drives the trapezoidal block 1805 and the knocking rod 1802 to rotate upward around the hinge point with the stand 1801, and the tension spring 1804 is further stretched; when the push plate 1806 passes the highest point of the inclined surface of the trapezoidal block 1805, the tension of the tension spring 1804 is released instantaneously, which drives the knocking rod 1802 to reset quickly downward, and the knocking block 1803 at the end of the knocking rod 1802 knocks the surface of the conical filter screen 17 to shake off the adhered impurities. After the knocking, the impurities on the surface of the conical filter screen 17 are shaken off, the buffer spring 1703 controls the conical filter screen 17 to reset, and when resetting, the push plate 1806 is blocked by the trapezoidal block 1805, so the reset spring 1807 is compressed; after the push plate 1806 passes the bottom of the trapezoidal block 1805, the reset spring 1807 can assist the push plate 1806 to reset, the stop block 1808 at the top of the sleeve 1702 can limit the rotation angle of the push plate 1806, and the limiting groove 1809 at the top of the installation pipe 1 limits the movement track of the push plate 1806 and the stop block 1808, so that the cleaning mechanism 18 can stably work.

[0072] In the embodiment, the conical filter screen 17 is integrally formed by 304 stainless steel, and the mesh aperture of the conical filter screen 17 is 0.5-2 mm; the knocking block 1803 is a composite structure of butyronitrile rubber wrapping nylon core, and the shape of the knocking block 1803 is spherical.

[0073] Partial working principle: 304 stainless steel has good corrosion resistance and strength, can resist the corrosion of salt and microorganisms in fresh water and seawater, avoids rust and damage of the filter screen, and the integrally formed structure has no joint gap, which prevents impurities from entering the installation pipe 1 through the joint gap; meanwhile, the mesh aperture of 0.5-2 mm can effectively block most of the impurities in the water, without excessively hindering the water flow, so as to ensure the power source of the water power driving mechanism 16;

[0074] The nylon core provides sufficient hardness and impact force to ensure that the impurities can be shaken off during knocking, and the outer butyronitrile rubber has elasticity and wear resistance, which can reduce the collision and wear when the knocking block 1803 contacts the conical filter screen 17, and avoid damage of the conical filter screen 17.

[0075] In the embodiment, the internal part of the analysis host 8 is provided with a data processing module and a wireless transmission module, the data processing module is wirelessly connected with the underwater transducer 7, is used for receiving the fish school signal detected by the underwater transducer 7, and analyzes and processes the data such as the distribution position, density and motion track of the fish school, and the wireless transmission module can transmit the dynamic data of the fish school processed by the data processing module to the external terminal in real time.

[0076] Local working principle: The data processing module inside the analysis host 8 receives the fish school detection signal transmitted by the underwater transducer 7 through wireless mode, analyzes and processes the signal, calculates and generates the distribution position (such as underwater depth, horizontal distance) of the fish school, density (such as the number of fish schools in a unit volume), motion trajectory (such as the migration direction and speed of the fish school) and other data; then, the wireless transmission module transmits the fish school dynamic data processed by the data processing module to the external terminal (such as the monitoring center computer, the staff's mobile phone) in real time, so as to facilitate the staff to remotely and real-timely master the underwater fish school situation and provide data support for aquaculture management and control, fishery resource investigation and the like.

[0077] Embodiment 3

[0078] The schemes in Embodiment 1 and Embodiment 2 are further introduced in combination with specific working modes, and details are described as follows:

[0079] In the device deployment stage, the mounting plate 301 of the fixing mechanism 3 is first fixed with the external mounting carrier, the screw rod 304 is rotated by rotating the adjusting block 305, the sliding block 303 is slid along the guide groove 302, the position of the hanger 2 and the mounting pipe 1 is adjusted, and the device is ensured to be at a suitable observation height and horizontal position, and the installation and fixation are completed.

[0080] After the device is started, the battery 19 supplies power for the underwater transducer 7 and the electric telescopic rod 15: the underwater transducer 7 emits ultrasonic waves to detect fish schools, and transmits the detection signal to the analysis host 8 wirelessly; the impeller 1602 of the water power driven mechanism 16 in the mounting pipe 1 is impacted by the water flow, the rotating rod 1603 is rotated, the rotating rod 1603 drives the shaft rod 13 to rotate through the first bevel gear 1604 and the second bevel gear 1605, and the shaft rod 13 drives the mounting disc 14 to rotate; at the same time, the electric telescopic rod 15 is telescoped to drive the sleeve ring 11 to move, the detection angle of the underwater transducer 7 is adjusted through the linkage of the upper arc-shaped ring groove 12, the upper ball 10, the connecting rod 9, the lower ball 6 and the lower arc-shaped ring groove 5, and the large-range "group overview" observation is realized; when the fish school moves, the fish school trajectory is dynamically tracked through the real-time telescoping of the electric telescopic rod 15 and the continuous rotation of the shaft rod 13.

[0081] During the operation of the hydraulic drive mechanism 16, the rotating rod 1603 also drives the hydroelectric generator 1606 to generate electricity, and the electricity is stored in the storage battery 19 to supplement the power supply and prolong the endurance of the equipment; the conical filter screen 17 at one end of the installation pipe 1 blocks impurities in the water, and if impurities accumulate on the surface of the filter screen, the water flow pushes the conical filter screen 17 to drive the sleeve 1702 to compress the buffer spring 1703, the push plate 1806 extrudes the trapezoidal block 1805 to make the knocking rod 1802 lift up, the tension spring 1804 releases the tension to drive the knocking block 1803 to knock the filter screen, shake off the impurities, and ensure the cleanliness of the inside of the equipment; the data analysis module of the analysis host 8 processes the fish school signal, the wireless transmission module transmits the data to the external terminal, realizes the real-time monitoring and data visualization of the fish school, and finally meets the whole-process monitoring needs of the fine management and control of aquaculture, the investigation of marine fishery resources and the like.

[0082] The above merely illustrates the further embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed scope, which shall fall within the protection scope of the present application.

Claims

1. A group of aerial underwater fish dynamic tracking observation instrument, including installation pipe (1), underwater transducer (7) and analysis host (8), it is characterized by: The top of the installation pipe (1) is fixedly provided with a hanger (2), and the top end of the hanger (2) is provided with a fixing mechanism (3) connected with an external installation carrier; The bottom end of the installation pipe (1) is fixedly provided with a shell (4), and the bottom end of the shell (4) is provided with a lower arc-shaped annular groove (5), and the inside of the lower arc-shaped annular groove (5) is rotatably provided with a lower ball (6), and the bottom end of the lower ball (6) extends to the outside of the shell (4) and is fixedly connected with the underwater transducer (7), and the underwater transducer (7) is wirelessly connected with the analysis host (8) to transmit fish detection signals; The inner top of the shell (4) is rotatably provided with a shaft rod (13), and the bottom end of the shaft rod (13) is horizontally fixedly provided with a mounting disc (14), and the top end of the lower ball (6) is vertically fixedly provided with a connecting rod (9), and the top end of the connecting rod (9) is fixedly provided with an upper ball (10), and the outer side of the upper ball (10) is rotatably provided with a sleeve ring (11), and the inside of the sleeve ring (11) is provided with an upper arc-shaped annular groove (12) rotatably matched with the upper ball (10), and the outer side of the sleeve ring (11) is provided between the mounting disc (14) and the electric telescopic rod (15); The inside of the installation pipe (1) is provided with a hydraulic drive mechanism (16) for driving the shaft rod (13) to rotate around its axis; One end of the installation pipe (1) is provided with a conical filter screen (17), and the top of the installation pipe (1) is provided with a cleaning mechanism (18) near one end of the conical filter screen (17) for cleaning impurities attached to the surface of the conical filter screen (17); The top of the installation pipe (1) is provided with a storage battery (19), and the outer side of the storage battery (19) is provided with a sealing cover (20), and the storage battery (19) is electrically connected with the underwater transducer (7) and the electric telescopic rod (15) through wires to realize power supply.

2. The kind of group bird's-eye view underwater fish dynamic tracking observation instrument according to claim 1, characterized in that: The fixing mechanism (3) comprises a mounting plate (301), a guide groove (302), a sliding block (303) and a screw rod (304), the side edge of the mounting plate (301) is provided with a guide groove (302) along the height direction of the mounting plate (301), the sliding block (303) is slidably arranged in the guide groove (302), the end of the hanger (2) is fixed on the outer side wall of the sliding block (303), and the screw rod (304) is rotatably arranged between the two ends of the guide groove (302) and penetrates through the sliding block (303) and is threadedly matched with the sliding block (303).

3. The kind of group looks at the underwater fish dynamic tracking observation appearance of fish group, its characterized in that: The fixing mechanism (3) further comprises an adjusting block (305), one end of the screw rod (304) extends to the outside of the guide groove (302), and the end of the screw rod (304) located outside the guide groove (302) is fixedly provided with the adjusting block (305), and the outer side wall of the adjusting block (305) is provided with anti-skid lines.

4. The kind of group looks at the underwater fish dynamic tracking observation appearance of fish group, its characterized in that: The inner side wall of the lower arc-shaped annular groove (5) is provided with a sealing gasket, and the inner side of the sealing gasket is attached to the surface of the lower ball (6).

5. The kind of group looks at the underwater fish dynamic tracking observation appearance of fish group, its characterized in that: The hydraulic driving mechanism (16) comprises a cylinder (1601), an impeller (1602), a rotating rod (1603), a first bevel gear (1604) and a second bevel gear (1605), the cylinder (1601) is arranged along the length direction of the mounting pipe (1) and is fixed at the middle position inside the mounting pipe (1), the rotating rod (1603) is rotatably arranged inside the cylinder (1601), the impeller (1602) is rotatably arranged at the end of the rotating rod (1603) away from the conical filter screen (17), the first bevel gear (1604) is fixedly arranged on the rotating rod (1603), the second bevel gear (1605) is meshingly arranged on the outer side of the first bevel gear (1604), and the second bevel gear (1605) is fixed at the top end of the shaft rod (13).

6. The kind of group perspective underwater fish school dynamic tracking observation instrument according to claim 5, its characterized in that: The hydraulic driving mechanism (16) further comprises a hydraulic generator (1606), the hydraulic generator (1606) is arranged inside the cylinder (1601) at the end away from the impeller (1602), the end of the rotating rod (1603) is connected with the driving shaft of the hydraulic generator (1606), and the hydraulic generator (1606) is connected with the storage battery (19) through wires.

7. The kind of group bird's-eye view underwater fish school dynamic tracking observation instrument according to claim 1, characterized in that: The end of the mounting pipe (1) close to the conical filter screen (17) is provided with a sliding groove (1701), the sliding groove (1701) is slidably provided with a sleeve (1702), the buffer spring (1703) is arranged between the sleeve (1702) and the inner end of the sliding groove (1701), and the end of the sleeve (1702) away from the buffer spring (1703) is fixedly connected with the conical filter screen (17).

8. The kind of group perspective underwater fish dynamic tracking observation instrument according to claim 7, its characterized in that: The cleaning mechanism (18) comprises a stand column (1801), a knocking rod (1802), a knocking block (1803), a tension spring (1804), a trapezoidal block (1805), a push plate (1806), a reset spring (1807), a stop block (1808) and a limiting groove (1809), the stand column (1801) is fixed at the top of the mounting pipe (1), the knocking rod (1802) is hingedly arranged on the side of the stand column (1801) close to the conical filter screen (17), the end of the knocking rod (1802) is fixedly provided with the knocking block (1803) abutting against the surface of the conical filter screen (17), the tension spring (1804) is arranged between the knocking rod (1802) and the stand column (1801), the bottom of the knocking rod (1802) is fixedly provided with the trapezoidal block (1805), the inclined surface of the trapezoidal block (1805) faces the conical filter screen (17), the top end of the sleeve (1702) is hingedly arranged with the push plate (1806), the reset spring (1807) is arranged between the side of the push plate (1806) close to the trapezoidal block (1805) and the sleeve (1702), the top of the sleeve (1702) is fixedly provided with the stop block (1808), the surface of the stop block (1808) abuts against the side of the push plate (1806) away from the trapezoidal block (1805), the top of the end of the mounting pipe (1) close to the conical filter screen (17) is provided with the limiting groove (1809), and the push plate (1806) and the stop block (1808) slide inside the limiting groove (1809).

9. The kind of group perspective underwater fish school dynamic tracking observation instrument according to claim 8, its characterized in that: The conical filter screen (17) is integrally formed by using 304 stainless steel, and the mesh aperture of the conical filter screen (17) is 0.5-2 mm; the knocking block (1803) is a composite structure of butyronitrile rubber wrapping a nylon core, and the shape of the knocking block (1803) is a spherical shape.

10. The kind of group perspective underwater fish school dynamic tracking observation instrument according to claim 1, its characterized in that: The internal part of the analysis host (8) is provided with a data processing module and a wireless transmission module, the data processing module is wirelessly connected with the underwater transducer (7), is used for receiving the fish school signal detected by the underwater transducer (7), and analyzes and processes the distribution position, density, motion track and other data of the fish school, and the wireless transmission module can transmit the fish school dynamic data processed by the data processing module to the external terminal in real time.

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