CN112889733A - Observation system for feeding behavior of aquatic organisms - Google Patents
Observation system for feeding behavior of aquatic organisms Download PDFInfo
- Publication number
- CN112889733A CN112889733A CN202010063477.XA CN202010063477A CN112889733A CN 112889733 A CN112889733 A CN 112889733A CN 202010063477 A CN202010063477 A CN 202010063477A CN 112889733 A CN112889733 A CN 112889733A
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- feeding
- feed table
- aquatic organisms
- feed
- cord
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- 230000004634 feeding behavior Effects 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002699 waste material Substances 0.000 abstract description 3
- 241000143060 Americamysis bahia Species 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to an observation system for feeding behaviors of aquatic organisms. The observation system includes: the feeding device comprises a fixing device, a feeding cage, a plurality of sensors and an image acquisition device; the fixing device is used for suspending the feeding cage in water; the sensors are arranged on a feed table of the feeding cage and used for acquiring and sending signals of aquatic organisms touching the feed table; the image acquisition device is used for acquiring and sending the information of the coverage area of the feed on the feed table. According to the invention, the feeding amount of the feed at the next time can be effectively adjusted through the matching of the sensor and the image acquisition device so as to determine a reasonable bait coefficient, so that the growth speed of aquatic organisms can be increased, the waste of the feed is avoided, the water quality is prevented from being deteriorated, the growth environment of the aquatic organisms is improved, and the quality of the aquatic organisms is further improved.
Description
Technical Field
The invention relates to the field of cultivation, in particular to an observation system for feeding behaviors of aquatic organisms.
Background
At present, aiming at aquaculture, submerged feed is generally fed to benthic aquatic organisms (such as shrimps), however, the sinking speed of the submerged feed in water is too high, so that a breeder is not favorable for observing the feeding behavior of the aquatic organisms, and further, reasonable feeding amount cannot be determined, if the submerged feed is insufficient, the growth speed of the aquatic organisms is too low, if the submerged feed is too much, not only can feed be wasted, but also too much residual bait can cause water quality to be deteriorated, and the quality of the aquatic organisms is influenced.
Disclosure of Invention
In view of the above, there is a need to provide a viewing system for the feeding behavior of aquatic organisms.
An observation system of feeding behavior of aquatic life, the observation system comprising: the feeding device comprises a fixing device, a feeding cage, a plurality of sensors and an image acquisition device;
the fixing device is used for suspending the feeding cage in water;
the sensors are arranged on a feed table of the feeding cage and are used for acquiring and sending signals of aquatic organisms touching the feed table;
the image acquisition device is used for acquiring and sending the information of the coverage area of the feed on the feed table.
In one embodiment, the sensors are evenly divided into a plurality of groups from the edge to the middle of the feeding table at intervals, and two adjacent groups of the sensors are distributed in a staggered mode.
In one embodiment, the feeding cage further comprises: the feed table comprises a connecting piece positioned above the feed table and a supporting net connected between the feed table and the connecting piece;
the image acquisition device hangs on the connecting piece, the image acquisition device is located the top of fodder platform.
In one embodiment, the connector comprises: the connecting structure comprises an annular framework, a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are arranged on the framework;
the first connecting parts and the second connecting parts are distributed in a crossed manner;
the image capturing device is suspended at an intersection between the first connection portion and the second connection portion.
In one embodiment, the fixing device comprises: a fixing member, a mounting member, a guide member, a cord winder, and a cord;
the mounting piece can horizontally stretch and retract, and is arranged above the fixing piece through a supporting piece;
the guide member is arranged on the mounting member;
the cord winder is disposed on the support;
a first end of the cord is connected to the cord winder and a second end of the cord is connected to the feeding cage along the guide.
In one embodiment, the mount comprises: the multiple layers of telescopic pipes are sequentially arranged from inside to outside;
and a stopping part is arranged between the telescopic pipe of the inner layer and the telescopic pipe of the adjacent outer layer, and the stopping part is used for stopping moving when the telescopic pipe of the inner layer extends or retracts to a limit position.
In one embodiment, the guide member is provided on the mounting member by a rotating shaft;
the second end of the rope is connected with the feeding cage along the curved surface of the guide piece.
In one embodiment, the curved surface of the guide member is provided with an annular groove adapted to the rope.
In one embodiment, the cord winder comprises: the device comprises an outer cylinder body, an inner cylinder body and a handle;
the outer cylinder is arranged on the supporting piece;
the first end of the inner cylinder body is rotatably arranged in the outer cylinder body through a bearing, and the second end of the inner cylinder body extends out of the outer cylinder body and is connected with the rope;
the handle is disposed on the second end of the inner barrel.
In one embodiment, the cord winder further comprises: the locking piece is used for fixing the handle, so that the feeding cage can be suspended at a preset position.
In one embodiment, a plurality of locking holes are uniformly formed in the wall of the outer cylinder body along the circumferential direction, and a through hole is formed in the handle;
when the handle is in a locking state, the head of the locking piece is limited in the outer part of the through hole, and the tail of the locking piece penetrates through the through hole and is clamped into the corresponding locking hole.
According to the observation system, the sensor is used for acquiring and sending a signal that the aquatic organisms touch the feed table, the image acquisition device is used for acquiring and sending information of the coverage area of the feed on the feed table, so that the feeding frequency of the aquatic organisms can be determined according to the frequency that the aquatic organisms touch the feed table, the feeding amount of the aquatic organisms in a preset time length can be determined according to the coverage area of the feed on the feed table, and then based on the feeding frequency of the aquatic organisms and the feeding amount of the aquatic organisms in the preset time length, the feeding amount of the next feed can be effectively adjusted to determine a reasonable feed coefficient, so that the growth speed of the aquatic organisms can be increased, the waste of the feed is avoided, the water quality is prevented from deteriorating, the growth environment of the aquatic organisms is improved, and the quality of the aquatic organisms is improved.
Drawings
FIG. 1 is a schematic diagram of a system for observing feeding behavior of aquatic organisms according to an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting member according to an embodiment of the present invention in a stretched state;
fig. 3 is a schematic structural view of a cord winder according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a locking member according to an embodiment of the present invention.
Wherein the various reference numbers in the drawings are described below:
100-fixing device, 110-fixing device, 120-mounting device, 121-telescopic tube, 120 a-stopping part, 130-guiding part, 131-rotating shaft, 140-rope winder, 141-outer barrel, 141 a-locking hole, 142-inner barrel, 1421-pressing cover, 1422-limiting part, 143-handle, 143 a-through hole, 144-bearing, 145-locking part, 145 a-through groove, 150-rope, 160-supporting part, 200-feeding cage, 210-feeding table, 220-connecting part, 221-skeleton, 222-first connecting part, 223-second connecting part, 230-supporting net, 300-sensor and 400-image acquisition device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are further described in detail below by way of examples with reference to the accompanying drawings. 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 numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
An embodiment of the present invention provides an observation system for feeding behavior of aquatic organisms, as shown in fig. 1, the observation system comprising: a fixture 100, a feeding cage 200, a plurality of sensors 300, and an image acquisition device 400; the fixing device 100 is used for suspending the feeding cage 200 in water; a plurality of sensors 300 are arranged on the feeding table 210 of the feeding cage 200, and the sensors 300 are used for acquiring and sending signals of aquatic organisms touching the feeding table 210; the image acquisition device 400 is used for acquiring and sending the information of the coverage area of the feed on the feed table 210.
The following is a description of the operation of the viewing system as described above:
when the feeding cage 200 is applied, the sunken type feed is laid on the feed table 210 of the feeding cage 200, and the feeding cage 200 is suspended in water through the fixing device 100. Aquatic organisms (e.g., shrimps) in the water swim to the feeding cage 200 to eat and touch the feeding table 210 of the feeding cage 200 during eating, and the sensor 300 detects a signal that the aquatic organisms touch the feeding table 210 and sends the signal, for example, to a terminal (e.g., a mobile phone). When the feeding cage 200 is suspended in the water for a preset time (e.g., 30min), the image acquiring device 400 acquires the information of the coverage area of the feed on the feeding table 210 and sends the information out, for example, to a terminal.
A breeder or a controller determines the feeding frequency of the aquatic organisms according to the frequency of the aquatic organisms touching the feed table 210 and the feeding amount of the aquatic organisms within a preset time length according to the coverage area of the feed on the feed table 210, then judges whether the feeding frequency of the aquatic organisms is equal to the feeding amount of the aquatic organisms, and further adjusts the feeding amount of the feed according to a determination result if the feeding frequency of the aquatic organisms is equal to the feeding amount of the aquatic organisms so as to determine a reasonable feed coefficient; if not, for example, when the aquatic creature only touches the feeding platform 210 and does not feed, the obtained feeding frequency is caused to be greater than the actual feeding frequency, so that the obtained feeding frequency is not equal to the feeding amount of the aquatic creature, and for example, when the feeding cage 200 enters the water and part of the feed on the feeding platform 210 is flushed to the outside, the obtained feeding amount is greater than the actual feeding amount, so that the obtained feeding amount is not equal to the feeding frequency, and the above steps are repeated until the feeding frequency is equal to the feeding amount.
In the observation system, the sensor 300 is used for acquiring and sending a signal that the aquatic organisms touch the feed table 210, and the image acquisition device 400 is used for acquiring and sending information of the coverage area of the feed on the feed table 210, so that the feeding frequency of the aquatic organisms can be determined according to the frequency that the aquatic organisms touch the feed table 210 and the feeding amount of the aquatic organisms in a preset time period can be determined according to the coverage area of the feed on the feed table 210, and then the feeding amount of the next feed can be effectively adjusted according to the feeding frequency of the aquatic organisms and the feeding amount of the aquatic organisms in the preset time period, so that a reasonable feed coefficient can be determined, the growth speed of the aquatic organisms can be increased, the waste of the feed can be avoided, the water quality can be prevented from being deteriorated, the growth environment of the aquatic organisms can be improved, and the quality of the aquatic organisms can be further improved.
In some embodiments of the present invention, sensor 300 is a touch sensor.
Alternatively, the detectable distance of each sensor 300 is the same (i.e., the touch signal can be detected within the preset distance), and the distance between two adjacent sensors 300 is equal to 2 times the detectable distance of the sensors 300.
In some embodiments of the present invention, the plurality of sensors 300 are evenly spaced from the edge to the middle of the feeding table 210 into a plurality of groups, and two adjacent groups of sensors 300 are distributed in a staggered manner. In this way, the detection accuracy of the entire plurality of sensors 300 can be improved.
Alternatively, the plurality of sensors 300 may be divided into 4 groups to 6 groups.
In some embodiments of the present invention, image capture device 400 is a camera. It will be appreciated that the camera is a waterproof underwater camera, i.e. an underwater camera.
In some embodiments of the present invention, as shown in fig. 1, feeding cage 200 further comprises: a connecting member 220 positioned above the feed table 210 and a support net 230 connected between the feed table 210 and the connecting member 220; the image acquisition device 400 is suspended from the link member 220, and the image acquisition device 400 is positioned above the feed table 210.
Optionally, image capture device 400 is suspended below link 220 by a cable (e.g., stainless steel wire).
Optionally, the feed table 210 comprises: a first side wall and a second side wall which are distributed at intervals along the direction far away from the connecting piece 220, and a third side wall which is enclosed between the first side wall and the second side wall; the first plane of the first side wall distributed facing the connecting piece 220 is used for placing feed, and the second plane of the first side wall distributed opposite to the first plane is provided with sensor mounting positions. Thus, the sensor 300 is mounted on the second plane of the first side wall of the feeder table 210, i.e., when the aquatic organisms collide with the second and third side walls of the feeder table 210, the sensor 300 does not detect the collision signal, and only the first side wall of the feeder table 210 can detect the collision signal, so that the accuracy of the acquired feeding frequency information can be improved. The first, second, and third sidewalls of the feed table 210 may be made of stainless steel (e.g., 304 stainless steel) or other materials that are not easily corroded by water. And the space enclosed by the first side wall, the second side wall and the third side wall of the feed table 210 is a closed space, so that water is prevented from entering.
Alternatively, the supporting net 230 is woven by polyethylene, nylon, or other materials that are not easily corroded or broken. Wherein the mesh size of the supporting net 230 is set according to the size of the aquatic breeding species, for example, if the breeding species is shrimps, the mesh size of the supporting net 230 is larger than 2 times of the maximum length of the shrimp body, so that the shrimps leave the feeding cage 200 after feeding.
Further, as shown in fig. 1, in some embodiments of the present invention, the connection member 220 includes: a ring-shaped framework 221, and a first connection portion 222 and a second connection portion 223 provided on the framework 221; the first connection portion 222 and the second connection portion 223 are distributed crosswise; the image pickup device 400 is suspended at the intersection between the first connection portion 222 and the second connection portion 223. Thus, the structure of the connection member 220 can be simplified, and the strength of the connection member 220 can be ensured.
It is understood that both ends of the first connection portion 222 and the second connection portion 223 are connected to the inner ring of the bobbin 221 (e.g., by winding).
Optionally, the first connection portion 222 and the second connection portion 223 are both polyethylene ropes or nylon ropes.
Optionally, the first connecting portion 222 and the second connecting portion 223 are distributed along the radial direction of the framework 221, that is, the intersection between the first connecting portion 222 and the second connecting portion 223 is located at the central axis of the framework 221, so that the balance of the feeding cage 200 in water can be improved, and the feeding cage 200 is prevented from being inclined.
In some embodiments of the present invention, as shown in fig. 1, the fixture 100 comprises: a fixing member 110, a mounting member 120, a guide member 130, a cord winder 140, and a cord 150; the mounting member 120 is horizontally telescopic, and the mounting member 120 is installed above the fixing member 110 by the supporting member 160; the guide 130 is provided on the mounting member 120; the cord winder 140 is disposed on the support 160; a first end of cord 150 is attached to cord winder 140 and a second end of cord 150 is attached to feeding cage 200 along guide 130. The horizontally telescopic mounting piece 120 is used for adjusting the distance between the feeding cage 200 and the side of the culture pond; the rope winder 140 is used for controlling the lifting of the feeding cage 200, and therefore the fixing device 100 with the structure can adjust the suspension position of the feeding cage 200 in water, and the using performance of the observation system is improved.
Alternatively, the fixing member 110 may be a flange structure, and the fixing member 110 of this type may be fixed on the ground made of non-earth materials by bolts; the fixing member 110 may also include a plurality of inverted cone structures (see fig. 1) distributed in an array, and the fixing member 110 of such a structure may be inserted into the ground made of earth.
Optionally, the supporting member 160 is a column-shaped structure and is welded to the mounting member 120 and the fixing member 110.
Alternatively, the cords 150 are steel cords or cords of other abrasion resistant materials.
Further, in some embodiments of the present invention, as shown in fig. 2, mount 120 includes: a plurality of layers of telescopic pipes 121 arranged from inside to outside in sequence; a stop part 120a is arranged between the inner telescopic tube 121 and the adjacent outer telescopic tube 121, and the stop part 120a is used for stopping the movement when the inner telescopic tube 121 extends or retracts to the limit position.
Taking the structure that the mounting member 120 is a two-layer telescopic tube 121 as an example, the telescopic process of the mounting member 120 will be described, wherein a stop portion 120a is provided at a port of the outer telescopic tube 121, and a stop portion 120a is provided at both the first port and the second port of the inner telescopic tube 121: when the inner telescopic tube 121 is pulled outwards, the inner telescopic tube 121 moves outwards until the stop portion 120a at the first port abuts against the stop portion 120a at the port of the outer telescopic tube 121, until the mounting member 120 is stretched; similarly, when the inner bellows 121 is pushed inwardly, the inner bellows 121 moves inwardly until the stop portion 120a at the second end abuts the stop portion 120a at the end of the outer bellows 121, until the mounting member 120 is retracted.
Optionally, the stopping portion 120a is a strip-shaped protrusion, and one end of the stopping portion 120a protrudes into the telescopic tube 121, and the other end protrudes out of the telescopic tube 121. Further, a plurality of stopper portions 120a (for example, 2 to 4) are provided at intervals in the circumferential direction for each of the bellows 121.
Further, in some embodiments of the present invention, as shown in fig. 1, the guide 130 is disposed on the mounting member 120 through a rotation shaft 131; the second end of the cable 150 is connected to the feeding cage 200 along the curved surface of the guide 130. It will be appreciated that the guide 130 is a directional wheel. In this manner, the feeding cage 200 can be raised and lowered by the cord winder 140 with little effort.
Optionally, when the mounting member 120 is in the retracted state, the free end of the innermost telescopic tube 121 protrudes out of the outermost telescopic tube 121, and the free end of the innermost telescopic tube 121 is provided with a downwardly extending connecting ear plate on which the guiding member 130 is arranged through the rotating shaft 131. Wherein the attachment lug plate can be welded to the free end of the innermost telescoping tube 121.
Alternatively, the number of the guide members 130 may be set to 1 or more (e.g., 2 or 3). When provided in plurality, the plurality of guides 130 are spaced apart along the telescopic direction of the mount 120.
In particular, in some embodiments of the present invention, the guide 130 is provided with an annular groove on its curved surface that is adapted to the cord 150. In this manner, it is avoided that the cable 150 falls off the guide 130 during the lifting of the feeding cage 200.
Further, in some embodiments of the present invention, as shown in fig. 3, the cord winder 140 includes: an outer cylinder 141, an inner cylinder 142, and a handle 143; the outer cylinder 141 is disposed on the supporter 160; the first end of the inner cylinder 142 is rotatably disposed in the outer cylinder 141 through the bearing 144, and the second end of the inner cylinder 142 extends out of the outer cylinder 141 and is connected with the rope 150; a handle 143 is disposed on the second end of the inner cylinder 142. When the handle 143 is manually rotated, the handle 143 can rotate in the outer cylinder 141 through the bearing 144, thereby realizing the retraction of the rope 150.
Optionally, the outer cylinder 141 is welded with the supporter 160.
Optionally, as shown in fig. 3, a gland 1421 is sleeved outside the second end of the inner cylinder 142; the outer cylinder 141 is provided with a mounting groove communicated with the inner cavity of the outer cylinder, and the bearing 144 is fixed in the mounting groove through a gland 1421. The pressing cover 1421 is provided with a step surface, and the step surface is abutted against the outer wall of the outer cylinder 141 facing the handle 143; in addition, the gland 1421 may be welded to the inner cylinder 142.
Optionally, based on the installation manner of the bearing 144, as shown in fig. 3, the rope winder 140 further includes: the limiting member 1422 is connected to the first end of the inner cylinder 142, and the limiting member 1422 abuts against the outer wall of the outer cylinder 141. The stop 1422 may cooperate with the gland 1421 to mount the inner cylinder 142 in the outer cylinder 141. The limiting member 1422 and the inner cylinder 142 may be connected by welding or screwing.
Optionally, the handle 143 comprises a first portion and a second portion connected perpendicularly; the first portion is connected (e.g., welded) to the inner cylinder 142.
Further, in some embodiments of the present invention, as shown in fig. 4, the cord winder 140 further comprises: a retaining member 145, retaining member 145 being adapted to secure handle 143 such that feeding cage 200 is suspended at a predetermined position.
In some embodiments of the present invention, as shown in fig. 3, a plurality of locking holes 141a are uniformly formed on the wall of the outer cylinder 141 along the circumferential direction, and a through hole 143a is formed on the handle 143; when the handle 143 is in the locking state, the head of the locking member 145 is limited outside the through hole 143a, and the tail of the locking member 145 passes through the through hole 143a and is clamped into the corresponding locking hole 141 a. It will be appreciated that the bore of the through bore 143a in the handle 143 is larger than the maximum diameter of the retaining member 145.
Alternatively, each locking hole 141a includes: the small-diameter section and the large-diameter hole are sequentially distributed from outside to inside; a through groove 145a is radially provided at the rear portion of the locker 145. When the tail of the locker 145 passes through the small diameter section of the locking hole 141a, the tail of the locker 145 is press-deformed by the through groove 145a thereof; after the tail of the locking member 145 penetrates out of the small-diameter section of the locking hole 141a, the tail of the locking member 145 is reset, and the tail of the locking member 145 is clamped into the locking hole 141 a.
Correspondingly, as shown in fig. 4, retaining member 145 includes a bulbous portion and a stem portion connected; the free end of the stem portion forms a tail of retaining member 145. Wherein, pole portion is including the major diameter portion and the minor diameter portion that are connected, and the external diameter of major diameter portion is greater than the external diameter of minor diameter portion, and the minor diameter portion is connected with globular portion, has logical groove 145a on the major diameter portion.
Alternatively, the number of the locking holes 141a is set to 6 to 10.
Further, in some embodiments of the present invention, the head of retaining member 145 may be attached to support member 160 of fixation device 100 using a cord. Thus, retaining member 145 is prevented from being lost.
Optionally, the rope is an iron chain.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. An observation system of feeding behavior of aquatic life, said observation system comprising: a fixture (100), a feeding cage (200), a plurality of sensors (300), and an image acquisition device (400);
the fixing device (100) is used for suspending the feeding cage (200) in water;
a plurality of the sensors (300) are arranged on a feed table (210) of the feeding cage (200), and the sensors (300) are used for acquiring and sending signals of aquatic organisms touching the feed table (210);
the image acquisition device (400) is used for acquiring and sending information of the coverage area of the feed on the feed table (210).
2. The viewing system of claim 1, wherein a plurality of said sensors (300) are evenly spaced into a plurality of groups from edge to center of said feed table (210), and wherein adjacent groups of said sensors (300) are staggered.
3. The observation system according to claim 1 or 2, wherein the feeding cage (200) further comprises: a connecting member (220) located above the feed table (210) and a support net (230) connected between the feed table (210) and the connecting member (220);
the image acquisition device (400) is hung on the connecting piece (220), and the image acquisition device (400) is positioned above the feed table (210).
4. The viewing system of claim 3, wherein the connector (220) comprises: an annular framework (221), and a first connecting part (222) and a second connecting part (223) which are arranged on the framework (221);
the first connecting part (222) and the second connecting part (223) are distributed in a crossed manner;
the image acquisition device (400) is suspended at an intersection between the first connection portion (222) and the second connection portion (223).
5. The viewing system according to claim 1 or 2, wherein the fixation device (100) comprises: a fixing member (110), a mounting member (120), a guide member (130), a cord winder (140), and a cord (150);
the mounting part (120) can horizontally stretch and retract, and the mounting part (120) is arranged above the fixing part (110) through a support part (160);
the guide (130) is arranged on the mounting (120);
the cord winder (140) is disposed on the support (160);
a first end of the cord (150) is connected to the cord winder (140) and a second end of the cord (150) is connected to the feeding cage (200) along the guide (130).
6. The viewing system of claim 5, wherein the mount (120) comprises: a plurality of layers of telescopic pipes (121) are arranged from inside to outside in sequence;
a stopping part (120a) is arranged between the telescopic pipe (121) on the inner layer and the telescopic pipe (121) on the adjacent outer layer, and the stopping part (120a) is used for stopping moving when the telescopic pipe (121) on the inner layer extends or retracts to the limit position.
7. The viewing system of claim 5, wherein the guide (130) is arranged on the mount (120) by a spindle (131);
the second end of the cable (150) is connected to the feeding cage (200) along the curved surface of the guide (130).
8. The viewing system of claim 7, wherein the guide (130) is provided with an annular groove on its curved surface adapted to the cord (150).
9. The viewing system of claim 5, wherein the cord winder (140) comprises: an outer cylinder body (141), an inner cylinder body (142) and a handle (143);
the outer cylinder (141) is disposed on the support (160);
the first end of the inner cylinder (142) is rotatably arranged in the outer cylinder (141) through a bearing (144), and the second end of the inner cylinder (142) extends out of the outer cylinder (141) and is connected with the rope (150);
the handle (143) is disposed on a second end of the inner barrel (142).
10. The viewing system of claim 9, wherein the cord winder (140) further comprises: a retaining member (145), the retaining member (145) being configured to secure the handle (143) such that the feeding cage (200) hovers at a predetermined position.
11. The observation system according to claim 10, wherein a plurality of locking holes (141a) are uniformly arranged on the wall of the outer cylinder (141) along the circumferential direction, and the handle (143) is provided with a through hole (143 a);
when the handle (143) is in a locking state, the head of the locking member (145) is limited outside the through hole (143a), and the tail of the locking member (145) penetrates through the through hole (143a) and is clamped into the corresponding locking hole (141 a).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114208747A (en) * | 2022-01-18 | 2022-03-22 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | Feed feeding system based on snakehead growth characteristics |
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