CN110800651B - Fish behavior observation device - Google Patents
Fish behavior observation device Download PDFInfo
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- CN110800651B CN110800651B CN201911111070.3A CN201911111070A CN110800651B CN 110800651 B CN110800651 B CN 110800651B CN 201911111070 A CN201911111070 A CN 201911111070A CN 110800651 B CN110800651 B CN 110800651B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a fish behavior observation device, which belongs to the field of fish behavior video image acquisition, and comprises an observation box, wherein an inclined plate is obliquely arranged in the observation box and divides the observation box into an ecological simulation area and a water flow control area, and a cobble layer, a fine sand layer, a silt layer and a sand and stone mixed layer are sequentially paved on the bottom surface of the ecological simulation area; the left side of the water flow control area is provided with a water flow accelerating assembly, a partition board is arranged inside the water flow control area and divides the water flow control area into a turbulent area and a gentle area, the width ratio of the turbulent area to the gentle area is 1:2.5-2.8, and the side wall of the right side of the turbulent area is provided with a rotating stick. The invention can obtain the fish behavior video images from the upper and side angles, can effectively know behavior modes of fish such as imprints, habituation, condition emission and the like, and provides greater help for scientific research projects.
Description
Technical Field
The invention belongs to the field of fish behavior video image acquisition, and particularly relates to a fish behavior observation device.
Background
The fish ethology is a new subject for researching the behavior rules of fishes, belongs to the field of animal ethology, has a very close relationship with fish ecology, fish physiology and fishery, and various behaviors of the fishes under natural conditions or experimental conditions, including individual behaviors and group behaviors, are research objects of the fish ethology. The fish behaviors are generally monitored by adopting a traditional manual observation method in the fish behavior research, and the mode is inconvenient and is mostly qualitative record. Through remote observation and control camera, with the help of computer vision technique, can observe fish activity fast, quantization, directly perceivedly. Therefore, the consumption of manpower can be reduced, the time and the cost are saved, and the obtained video images can also be used for researching underwater activities of fishes.
Disclosure of Invention
The invention aims to provide a fish behavior observation device which can acquire fish behavior video images from the upper side and the side, can effectively know behavior modes of fish such as marks, habituation, condition emission and the like, and provides greater help for scientific research projects.
The scheme adopted by the invention for solving the technical problems is as follows: a fish behavior observation device comprises an observation box, an inclined plate is obliquely arranged in the observation box, the inclined plate divides the observation box into an ecological simulation area and a water flow control area,
a cobble layer, a fine sand layer, a silt layer and a sand-gravel mixing layer are sequentially paved on the bottom surface of the ecological simulation area;
the left side of the water flow control area is provided with a water flow accelerating assembly, a partition board is arranged inside the water flow control area and divides the water flow control area into a turbulent area and a gentle area, the width ratio of the turbulent area to the gentle area is 1:2.5-2.8, and the side wall of the right side of the turbulent area is provided with a rotating stick. The behavior observation device of the invention can observe various behaviors of fishes in real time through a plurality of visual angles, the substrate laid on the bottom surface of the ecological simulation area can monitor inhabitation areas selected by the fishes in different time periods, also can directly observe the behavior activities of the fishes to judge the requirements of the fish breeding activities on the conditions of various environmental factors, simultaneously can also use the shading cloth to change the periodic change of illumination in the ecological simulation area to observe the behavior change of the fishes to the illumination period, the water flow acceleration component arranged at one side of the water flow control area can control the flow velocity of water, the controlled flow velocity can directly observe the maximum swimming speed of the fishes when the fishes swim against or with the water in a certain range to judge that the fishes are suitable for the cultivation and the life of the water areas, the water flow control area is divided into a turbulent area and a gentle area through the partition plate, the width ratio of the two areas can further accelerate the water flow velocity in the turbulent area in the range, the fish body is stimulated by the cooperation of a larger flow speed and the rotating stick, so that more mucus is secreted on the surface of the fish body, and the observation of the mucus on the surface of the fish body is facilitated.
Preferably, the top of the observation box is fixedly connected with a support, the support is used for mounting a second camera, the left side and the right side of the observation box are provided with a first camera, a third camera and a fourth camera, the cameras are connected with a video acquisition card through a wire, and the video acquisition card transmits video signals to the mobile terminal. The fish can be observed clearly and effectively in all directions by arranging the four cameras, images shot by the cameras can be collected by the video acquisition card and transmitted to the mobile terminal in a signal transmission mode, and the mobile terminal can record various behaviors of the fish in the observation box constantly in real time and can be used for various scientific research projects for observing the behaviors of the fish.
Preferably, both ends are equipped with catch basin and overflow tank around the observation box, and catch basin left side bottom is equipped with the water inlet, and the overflow grid is installed at the overflow tank top, overflow grid and rivers control zone intercommunication. The catch basin is used for collecting and transmitting to the observation box external water source in, rivers reentrant overflow pond through the ecological simulation district of observation box, and the water in the overflow pond rises the back and flows in to rivers control area through the overflow grid, and the overflow grid still can separate the shelves to the great rubbish of aquatic, and the water conservancy driver on the surface of water can guarantee the speed of rivers direction and rivers, ensures that the water is in the state of circulating always.
Preferably, rivers are with higher speed the subassembly and are included the motor in the observation box outside, and the pivot is connected to the output of motor, and the pivot surface alternates there is the cylinder, and the stirring leaf that sets up side by side is equipped with to the cylinder surface equipartition, and rivers are with higher speed the subassembly right side and are equipped with the fender net. Rivers acceleration component is used for accelerating the rivers that flow through, can observe the condition of fish under two kinds of waters velocity of flow when rivers reach certain velocity of flow, rivers acceleration component is located below the surface of water, the motor drives the pivot after starting, the cylinder of being connected with the pivot also can rotate thereupon, the stirring leaf on cylinder surface rolls in aqueous, it goes to torrent district and the inside stream of subdued district to drive rivers, the width in torrent district is less than the subdued district, the rivers velocity of flow in torrent district also can be greater than the subdued district when rivers flow through, can be comparatively clear through the observation of camera see information such as the condition of moving about and dwell time of fish in two districts.
Preferably, the water flow control area is provided with feeding areas on two sides, a feeding box is arranged in each feeding area, and the two sides of each feeding box are connected with the observation box and the side wall of the water flow control area through elastic ropes. Be equipped with a plurality of boxes of throwing something and feeding in the district, can place different baits in every box of throwing something and feeding, throw something and feed box both sides and set up the elasticity rope and connect the observation box and link to each other with rivers control area lateral wall, the behavior such as the action of looking for food and selecting bait of fish can be observed in the setting in this region, fish can rock about the box of throwing something and feeding through the elasticity rope when touchhing the box of throwing something and feeding, the separation out of the inside bait of box of throwing something and feeding with higher speed to the food and staff's observation to fish.
Preferably, the end part of the left side of the inclined plate is provided with a water outlet, and the bottom of the inclined plate is provided with an aerator. The swash plate bottom be equipped with the delivery port, and the water in the observation box can be in the circulation state all the time, and the velocity of flow of rivers control area rivers still can further be accelerated in the setting of swash plate, various states that can more abundant observation fish, and the oxygen-increasing machine is used for the increase to aquatic oxygen, makes the aquatic have the respiratory of sufficient oxygen confession fish.
Preferably, the rotating rod top is equipped with the threaded rod, and the threaded rod is connected in the upper and lower both ends of torrent district lateral wall, rotates the inside ball that is equipped with of rod, and the ball outside corresponds the position cover and is equipped with the lantern ring, and lantern ring surface ring cloth has four at least turning blocks, turning block end connection spring one end, and the elastomer is connected to the spring other end, and the elastomer terminal surface is equipped with a plurality of toper rubber strips. The rotating stick is arranged at one end far away from the water flow accelerating assembly, when fish enter a turbulent region, water flow can generate impact force on the fish, part of the fish can swim to one side of the water flow accelerating assembly, the maximum swimming speed of the fish under certain water flow impact can be observed when the fish swim to the side, the other part of the fish can swim along the water flow direction, the fish swimming along with the water can pass through the rotating sticks which are arranged in a staggered mode, the lantern ring on the surface of the rotating stick can rotate around the rotating stick under the pushing of the water flow, when the fish swim, the elastic body connected with the surface of the lantern ring and the conical rubber strip on the end part of the elastic body can be in friction contact with the surface of the fish body, so that the fish is primarily frightened, because the other end face of the elastic body is connected with the spring, the elastic body can be driven to rebound rapidly according to the elasticity of the spring, the conical rubber strip can generate secondary contact with, the fish escape from the turbulent region is facilitated, and meanwhile workers are facilitated to observe the production of mucus on the body surface of the fish.
Compared with the prior art, the invention has the beneficial effects that: 1) a plurality of substrates are arranged on the bottom surface of the ecological simulation area, and the selection of the fishes to the habitat and the requirements of the fish breeding activities on the conditions of various environmental factors can be observed through the arranged substrates; 2) the water flow acceleration component can add the speed of water flow in the turbulent region and the gentle region, and the information such as the swimming condition, the residence time and the like of the fishes in the two regions can be clearly seen through the observation of the camera; 3) the rotating rod is arranged at one end of the turbulent region, which is far away from the water flow accelerating assembly, the flowing of the water flow promotes the lantern ring on the surface of the rotating rod to rotate, and the lantern ring drives the movable block and the conical rubber strip to be contacted with the fish body for multiple times, so that the fish body is stimulated to secrete mucus, and the observation of the fish body by workers is facilitated; 4) can observe the behavioral modes such as the seal of a government organization in all directions, habituation, condition transmission that can effectively know fish more clearly effectual to fish through setting up four cameras.
Drawings
FIG. 1 is a schematic view showing the structure of a fish behavior observing apparatus according to the present invention;
FIG. 2 is a schematic view of the internal structure of the observation box of the present invention;
FIG. 3 is a top view of the observation box of the present invention;
FIG. 4 is a schematic view of the rotatable rod of the present invention;
FIG. 5 is a front view of the rotatable wand of the present invention;
fig. 6 is a cross-sectional view a-a of the rotatable roller of the present invention.
Description of reference numerals: 1, a mobile terminal; 2, a video capture card; 3 a first camera; 4 a second camera; 5, a bracket; 6, observing the box; 7 a third camera; 8 a fourth camera; 9, a water collecting tank; 10 a water flow accelerating assembly; 11 a water flow control zone; 12 a hydraulic driver; 13 an overflow grid; 14 an overflow tank; 15 water outlet; 16 an ecological simulation area; 17 an inclined plate; 18 an aerator; 19 blocking net; 20, feeding boxes; 21 a water inlet; 22 rotating the stick; 22a an elastomer; 22b a turning block; 22c conical rubber strips; 22d a spring; 22e a collar; 22f threaded rod; 22g balls, 23 turbulent zone; a 24 motor; 25, a rotating shaft; 26 stirring blades; 27 a roller; 28 flat areas; 29 an elastic cord; 30 feeding areas; 31 a spacer.
Detailed Description
The following is described in further detail with reference to the accompanying drawings and examples:
example 1:
as shown in FIGS. 1 to 6, a fish behavior observation device comprises an observation box 6, an inclined plate 17 is obliquely arranged in the observation box 6, the inclined plate 17 divides the observation box 6 into an ecological simulation area 16 and a water flow control area 11,
a cobble layer, a fine sand layer, a silt layer and a sand-gravel mixing layer are sequentially paved on the bottom surface of the ecological simulation area 16;
the left side of the water flow control area 11 is provided with a water flow accelerating assembly 10, a partition plate 31 is arranged inside the water flow control area 10, the partition plate 31 divides the water flow control area 11 into a turbulent area 23 and a gentle area 28, the width ratio of the turbulent area 23 to the gentle area 28 is 1:2.5-2.8, and the right side wall of the turbulent area 23 is provided with a rotating stick 22. The behavior observation device of the invention can observe various behaviors of fishes in real time through a plurality of visual angles, the substrate laid on the bottom surface of the ecological simulation area can monitor inhabitation areas selected by the fishes in different time periods, also can directly observe the behavior activities of the fishes to judge the requirements of the fish breeding activities on the conditions of various environmental factors, simultaneously can also use the shading cloth to change the periodic change of illumination in the ecological simulation area to observe the behavior change of the fishes to the illumination period, the water flow acceleration component arranged at one side of the water flow control area can control the flow velocity of water, the controlled flow velocity can directly observe the maximum swimming speed of the fishes when the fishes swim against or with the water in a certain range to judge that the fishes are suitable for the cultivation and the life of the water areas, the water flow control area is divided into a turbulent area and a gentle area through the partition plate, the width ratio of the two areas can further accelerate the water flow velocity in the turbulent area in the range, the fish body is stimulated by the cooperation of a larger flow speed and the rotating stick, so that more mucus is secreted on the surface of the fish body, and the observation of the mucus on the surface of the fish body is facilitated.
The top of the observation box 6 is fixedly connected with a support 5, the support 5 is used for mounting a second camera 4, the left side and the right side of the observation box 6 are provided with a first camera 3, a third camera 7 and a fourth camera 8, the cameras 8 are connected with the video acquisition card 2 through leads, and the video acquisition card 2 transmits video signals to the mobile terminal 1. The fish can be observed clearly and effectively in all directions by arranging the four cameras, images shot by the cameras can be collected by the video acquisition card and transmitted to the mobile terminal in a signal transmission mode, and the mobile terminal can record various behaviors of the fish in the observation box constantly in real time and can be used for various scientific research projects for observing the behaviors of the fish.
The front end and the rear end of the observation box 6 are provided with a water collecting tank 9 and an overflow tank 14, the bottom of the left side of the water collecting tank 9 is provided with a water inlet 21, the top of the overflow tank 14 is provided with an overflow grid 13, and the overflow grid 13 is communicated with a water flow control area 11. The catch basin is used for collecting and transmitting to the observation box external water source in, rivers reentrant overflow pond through the ecological simulation district of observation box, and the water in the overflow pond rises the back and flows in to rivers control area through the overflow grid, and the overflow grid still can separate the shelves to the great rubbish of aquatic, and the water conservancy driver on the surface of water can guarantee the speed of rivers direction and rivers, ensures that the water is in the state of circulating always.
The water flow acceleration assembly 10 comprises a motor 24 outside the observation box 6, the output end of the motor 24 is connected with a rotating shaft 25, a roller 27 is inserted into the surface of the rotating shaft 25 in a penetrating manner, stirring blades 26 arranged side by side are uniformly distributed on the surface of the roller 27, and a blocking net 19 is arranged on the right side of the water flow acceleration assembly 10. Rivers acceleration component is used for accelerating the rivers that flow through, can observe the condition of fish under two kinds of waters velocity of flow when rivers reach certain velocity of flow, rivers acceleration component is located below the surface of water, the motor drives the pivot after starting, the cylinder of being connected with the pivot also can rotate thereupon, the stirring leaf on cylinder surface rolls in aqueous, it goes to torrent district and the inside stream of subdued district to drive rivers, the width in torrent district is less than the subdued district, the rivers velocity of flow in torrent district also can be greater than the subdued district when rivers flow through, can be comparatively clear through the observation of camera see information such as the condition of moving about and dwell time of fish in two districts.
The two sides of the water flow control area 11 are provided with feeding areas 30, a feeding box 32 is arranged in the feeding areas 30, and the two sides of the feeding box 32 are connected with the observation box 6 and the side wall of the water flow control area 11 through elastic ropes 29. Be equipped with a plurality of boxes of throwing something and feeding in the district, can place different baits in every box of throwing something and feeding, throw something and feed box both sides and set up the elasticity rope and connect the observation box and link to each other with rivers control area lateral wall, the behavior such as the action of looking for food and selecting bait of fish can be observed in the setting in this region, fish can rock about the box of throwing something and feeding through the elasticity rope when touchhing the box of throwing something and feeding, the separation out of the inside bait of box of throwing something and feeding with higher speed to the food and staff's observation to fish.
The left end of the inclined plate 17 is provided with a water outlet 15, and the bottom of the inclined plate 17 is provided with an aerator 18. The swash plate bottom be equipped with the delivery port, and the water in the observation box can be in the circulation state all the time, and the velocity of flow of rivers control area rivers still can further be accelerated in the setting of swash plate, various states that can more abundant observation fish, and the oxygen-increasing machine is used for the increase to aquatic oxygen, makes the aquatic have the respiratory of sufficient oxygen confession fish.
The top of the rotating rod 22 is provided with a threaded rod 22f, the threaded rod 22f is connected to the upper end and the lower end of the side wall of the turbulent region 22, a ball 22g is arranged inside the rotating rod 22, a lantern ring 22e is sleeved on the outer side of the ball 22g in a corresponding position, at least four rotating blocks 22b are annularly distributed on the surface of the lantern ring 22e, the end of each rotating block 22b is connected with one end of a spring 22d, the other end of the spring 22d is connected with an elastic body 22a, and the end face of the elastic body 22. The rotating stick is arranged at one end far away from the water flow accelerating assembly, when fish enter a turbulent region, water flow can generate impact force on the fish, part of the fish can swim to one side of the water flow accelerating assembly, the maximum swimming speed of the fish under certain water flow impact can be observed when the fish swim to the side, the other part of the fish can swim along the water flow direction, the fish swimming along with the water can pass through the rotating sticks which are arranged in a staggered mode, the lantern ring on the surface of the rotating stick can rotate around the rotating stick under the pushing of the water flow, when the fish swim, the elastic body connected with the surface of the lantern ring and the conical rubber strip on the end part of the elastic body can be in friction contact with the surface of the fish body, so that the fish is primarily frightened, because the other end face of the elastic body is connected with the spring, the elastic body can be driven to rebound rapidly according to the elasticity of the spring, the conical rubber strip can generate secondary contact with, the fish escape from the turbulent region is facilitated, and meanwhile workers are facilitated to observe the production of mucus on the body surface of the fish.
Example 2:
the invention discloses a fish behavior observation device, which is characterized in that in the actual use process: four cameras are respectively arranged at the top and the left and the right sides of an observation box 6, an external water source enters water through a water inlet 21, the water flows from an ecological simulation area 16 to an overflow tank 14 and then enters a water flow control area 11 through the overflow tank, a water outlet 15 is arranged on an inclined plate 17 at the bottom of the water flow control area 11 to enable the water to be in a circulating state, a plurality of substrates are arranged at the bottom surface of the ecological simulation area 16, the selection of fish to habitat and the requirements of fish reproduction activities on the conditions of various environmental factors can be observed through the arranged substrates, the water flow control area 11 is divided into a turbulent area 23 and a gentle area 28 through a partition plate 31, the width of the turbulent area 23 is narrower, the water flow velocity is large, stimulation is generated on the fish body through the cooperation of larger flow velocity and a rotating stick, more mucus is secreted on the surface of the fish body, the generation of mucus on the surface of the fish body is facilitated to be observed, the water flow of the gentle, be equipped with a plurality of boxes 20 of throwing something and feeding in the district 30 of throwing something and feeding of 11 both sides in rivers control area, can place different bait in every box 20 of throwing something and feeding, the box 20 both sides of throwing something and feeding set up elastic rope 29 and connect observation box 6 and rivers control area 11 lateral wall and link to each other, and the behavior such as the foraging behavior of fish and selecting bait can be observed in the setting in this region.
The conventional techniques in the above-mentioned embodiments 1 and 2 are known to those skilled in the art and will not be described in detail herein.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. A fish behavior observation device comprises an observation box (6), wherein an inclined plate (17) is obliquely arranged in the observation box (6), the inclined plate (17) divides the observation box (6) into an ecological simulation area (16) and a water flow control area (11),
a cobble layer, a fine sand layer, a silt layer and a sand-gravel mixing layer are sequentially paved on the bottom surface of the ecological simulation area (16);
a water flow accelerating assembly (10) is arranged on the left side of the water flow control area (11), a partition plate (31) is arranged inside the water flow control area (11), the partition plate (31) divides the water flow control area (11) into a turbulent area (23) and a gentle area (28), the width ratio of the turbulent area (23) to the gentle area (28) is 1:2.5-2.8, and a rotating stick (22) is arranged on the right side wall of the turbulent area (23);
rotate rod (22) top and be equipped with threaded rod (22 f), threaded rod (22 f) are connected in the upper and lower both ends of torrent district (23) lateral wall, rotate rod (22) inside and be equipped with ball (22 g), ball (22 g) outside corresponding position cover is equipped with lantern ring (22 e), lantern ring (22 e) surface ring cloth has four at least turning blocks (22 b), turning block (22 b) end connection spring (22 d) one end, elastomer (22 a) is connected to spring (22 d) other end, elastomer (22 a) terminal surface is equipped with a plurality of toper rubber strips (22 c).
2. A fish behavioral observation apparatus according to claim 1, characterized in that: the utility model discloses a video camera, including observation case (6), support (5) are used for installing second camera (4), first camera (3), third camera (7), fourth camera (8) are installed to observation case (6) left and right sides, fourth camera (8) link to each other with video capture card (2) through the wire, video capture card (2) are with video signal transmission to mobile terminal (1).
3. A fish behavioral observation apparatus according to claim 1, characterized in that: both ends are equipped with catch basin (9) and overflow pond (14) around observation case (6), catch basin (9) left side bottom is equipped with water inlet (21), overflow grid (13) are installed at overflow pond (14) top, overflow grid (13) and rivers control area (11) intercommunication.
4. A fish behavioral observation apparatus according to claim 1, characterized in that: the water flow acceleration assembly (10) comprises a motor (24) outside the observation box (6), the output end of the motor (24) is connected with a rotating shaft (25), a roller (27) is inserted into the surface of the rotating shaft (25), stirring blades (26) arranged side by side are uniformly distributed on the surface of the roller (27), and a blocking net (19) is arranged on the right side of the water flow acceleration assembly (10).
5. A fish behavioral observation apparatus according to claim 1, characterized in that: the water flow control area (11) is provided with feeding areas (30) on two sides, a feeding box (32) is arranged inside the feeding area (30), and two sides of the feeding box (32) are connected with the observation box (6) and the side wall of the water flow control area (11) through elastic ropes (29).
6. A fish behavioral observation apparatus according to claim 1, characterized in that: the swash plate (17) left side tip is equipped with delivery port (15), oxygen-increasing machine (18) are installed to swash plate (17) bottom.
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| CN112461157A (en) * | 2020-11-16 | 2021-03-09 | 国电大渡河枕头坝发电有限公司 | Fish passing monitoring system |
| CN114793958B (en) * | 2022-04-25 | 2023-02-21 | 浙江省舟山市水产研究所 | Device and method for measuring flow velocity of large yellow croaker |
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Denomination of invention: A fish behavior observation device Effective date of registration: 20211111 Granted publication date: 20210622 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Zhoushan Putuo small and micro enterprise franchise sub branch Pledgor: Zhoushan Tianmu Aquatic Technology Co.,Ltd. Registration number: Y2021330002197 |
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