CN114342854A - Automatic underwater fish screening system - Google Patents
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- CN114342854A CN114342854A CN202210050309.6A CN202210050309A CN114342854A CN 114342854 A CN114342854 A CN 114342854A CN 202210050309 A CN202210050309 A CN 202210050309A CN 114342854 A CN114342854 A CN 114342854A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 228
- 238000012216 screening Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000001846 repelling effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000036541 health Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000009364 mariculture Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003703 image analysis method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005195 poor health Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides an automatic underwater fish screening system, which comprises: a float bowl; the fish frame assembly comprises a cylindrical fixed frame and a rotating frame, the rotating frame is sleeved on the inner side of the fixed frame, a unique fish outlet passage is generated through the rotating fit of the rotating frame and the fixed frame, and the fish outlet passage points to an independent space corresponding to the current fish body classification; the fish driving device is fixedly connected to the bottom of the rotating frame and used for applying directional driving action to fish bodies in the rotating frame through a grid structure on the rotating frame; and a control system. The invention has reasonable structural design and reliable use, and particularly can carry out the graded management of the cultured live fishes under the condition of not leaving water, thereby not only reducing the labor intensity of workers, but also obviously improving the mechanization level of fishery equipment.
Description
Technical Field
The invention relates to the technical field of classified collection and catching, in particular to an automatic underwater fish screening system.
Background
In the process of raising seedlings or cultivating and cultivating of aquaculture, a common grading method for aquaculture enterprises in China is generally artificial grading. Firstly, live fish to be classified are fished out by culturists, the fish are classified according to experience, and then the fish are put into culture fish ponds with different qualities. The grading means needs to catch the grading target out of the fish pond and separate the grading target from the water surface, so that damage to the fish body can be caused, an error conclusion can be obtained, manpower and material resources are wasted in vain, and the grading efficiency is low. Based on the current development of the industry, the aquaculture technology needs an automatic grading device under water.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an automatic underwater fish screening system which can accurately classify and manage cultured fishes and can operate for a long time without damaging the fishes so as not to scare the fishes and cause economic loss.
The technical means adopted by the invention are as follows:
an underwater fish autofilter system comprising:
the buoy is used for controlling the depth of the fish frame assembly under water;
the fish frame assembly comprises a cylindrical fixed frame and a rotating frame, the rotating frame is sleeved on the inner side of the fixed frame, a unique fish outlet passage is generated through the rotating fit of the rotating frame and the fixed frame, and the fish outlet passage points to an independent space corresponding to the current fish body classification;
the fish driving device is fixedly connected to the bottom of the rotating frame and used for applying directional driving action to fish bodies in the rotating frame through a grid structure on the rotating frame so that the fish bodies can swim out from a fish outlet passage opposite to the driving direction; and
the fish driving device comprises a control system, wherein a first control end of the control system is connected with a first driving device, a second control end of the control system is connected with a second driving device, the first driving device is used for driving the rotating frame to rotate, and the second driving device is used for driving the fish driving device to act.
Further, the system further comprises an image acquisition device, wherein the image acquisition device is used for extracting fish body image information in the rotating frame, analyzing the fish body image information through an upper computer to obtain fish body classification results, sending the fish body classification results to the control system, converting the fish body classification results into control instructions for controlling the rotating frame to rotate by the control system, and enabling the rotating fish outlet of the rotating frame to be aligned with the corresponding classified fish outlet.
Further, circumference has arranged the categorised fish mouth of a fixed fish mouth and a plurality of on the fixed frame, it rotates into fish mouth and a rotation play fish mouth to be provided with one relatively on the rotation frame, works as when the rotation frame of fixed frame inside takes place to rotate, categorised fish mouth homoenergetic periodic with rotate out the butt joint of fish mouth, wherein fixed fish mouth, fixed fish mouth that advances rotate into the fish mouth and rotate out the shape and the size of fish mouth and match, just it has lattice structure to rotate the both sides distribution of advancing the fish mouth and rotating out the fish mouth, just the lattice structure intercommunication through rotating the frame bottom.
Furthermore, the fish driving device comprises a plurality of bottom plates which are arranged at equal intervals, each bottom plate is fixed through a first rotating shaft and a second rotating shaft, the first rotating shaft penetrates through the middle position of each bottom plate, and the second rotating shaft penetrates through the lower position of each bottom plate;
a first connecting rod is fixedly connected to a first rotating shaft between any two bottom plates, a second connecting rod is fixedly connected to a second rotating shaft between any two bottom plates, and the first connecting rods and the second connecting rods are in one-to-one correspondence;
the free end of the first connecting rod is connected with the free end of the corresponding second connecting rod through a third connecting rod, and the upper end of the third connecting rod is connected with a flexible brush;
when the first rotating shaft and the second rotating shaft synchronously rotate, the third connecting rod is driven to do circular motion on a vertical plane through the first connecting rod and the second connecting rod respectively, and the flexible hairbrush connected to the tail end of the third connecting rod periodically enters the rotating frame from the grid and then leaves.
Further, the number of the bottom plates of the fish repelling device is matched with the number of the grids on the fish frame.
Further, the second driving device comprises a waterproof motor, the waterproof motor is fixedly connected with the driving gear, the driving gear is meshed with the driven gear, and the driven gear is fixed on the first rotating shaft or the second rotating shaft.
Further, the first rotating shaft and the second rotating shaft both penetrate through the center line of the bottom plate.
Furthermore, the bottom plate is fixedly connected with the lower part of the rotating frame through a fixing bolt, and a sealing ring is arranged at the joint.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the fish inlet and the fish outlet are corresponding to the target positions through the fish frame structure, and the fish is directionally driven through the flexible grids of the fish driving device, so that the classification operation of live fish in mariculture is realized, the classification is accurate, and the working efficiency is high.
2. The rotary motion of the fish driving device is generated by the waterproof motor and transmitted by the gear transmission mechanism, and the structure uses flexible materials, so that the damage to fish targets in the grading operation process is reduced, and the fish driving device belongs to safe culture equipment machinery.
3. According to the invention, the fish driving device and the fish frame structure orientation are combined to classify the live fishes for mariculture, so that the classification categories are increased, users can define different classification directions by themselves, and the economic benefit is maximized.
4. The invention adopts the float device as a buoyancy source, and changes the whole water level of the device by adjusting the buoyancy of the float, thereby being close to the normal living water level of target fishes, achieving the purpose of underwater classification and increasing the operation capability and the applicability of equipment.
The fish culture system can identify and classify cultured fishes in the culture environment, has reasonable structural design and reliable use, lightens the labor intensity of workers, has stronger practical value and greatly improves the mechanization level of fishery equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic underwater fish screening system according to the present invention.
Fig. 2 is a schematic view of the structure of the fixing frame of the present invention.
FIG. 3 is a schematic view of a rotating frame structure according to the present invention.
Fig. 4 is a schematic structural view of the fish repelling device of the present invention.
FIG. 5 is a schematic view of the combination of the fish frame assembly and the fish repelling apparatus of the present invention.
Fig. 6 is a perspective view of the combination of the fish frame assembly and the fish repelling apparatus of the invention.
FIG. 7 is a schematic structural view of a cultivation box for fish to be classified in the embodiment.
Fig. 8 is a schematic diagram of the arrangement position of the bait feeding device in the embodiment.
FIG. 9 is a schematic diagram illustrating the calculation of the length of the fish body in the example.
In the figure: 1. a float bowl; 2. a fish frame assembly; 201. a fixing frame; 2011. fixing a fish inlet; 2012. classifying the fish outlet; 202. rotating the frame; 2021. rotating the fish inlet; 2022. rotating the fish outlet; 3. a fish repelling device; 301. a base plate; 302. a first rotating shaft; 302. a second rotating shaft; 304. a first link; 305. a second link; 306. a third link; 307. a flexible brush; 308. a fixing screw; 401. a waterproof motor; 402. a driving gear; 403. a driven gear; 5. a breeding box; 501. partition plates; 6. bait feeding mechanism.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The invention provides a set of live fish classified collecting and catching system matched with cage culture, which can meet different requirements on fish morphological classification in the artificial fish culture process, for example, screening fish with large enough to meet the marketing condition or screening living fish with undersized morphology and under-feeding, and can perform classified collecting and catching on target fish.
Specifically, as shown in fig. 1, the invention provides an automatic underwater fish screening system, which mainly comprises a buoy 1, a fish frame assembly 2, a fish repelling device 3 and a control system. The invention adopts the float device as a buoyancy source, and changes the whole water level of the device by adjusting the buoyancy of the float, thereby being close to the normal living water level of target fishes, achieving the purpose of underwater classification and increasing the operation capability and the applicability of equipment. The fish frame 2 includes a cylindrical fixed frame 201 and a rotating frame 202 which are fitted together, with the rotating frame 202 being inside. Through rotating frame 202 and fixed frame 201 normal running fit can generate only fish passageway, it points to the independent space that corresponds with current fish body classification to go out the fish passageway. The fish driving device 3 is fixedly connected to the bottom of the rotating frame 202, and is used for applying directional driving action to the fish body in the rotating frame 202 through the grid structure on the rotating frame 202, so that the fish body can swim out through a fish outlet passage just opposite to the driving direction. The control system of the invention has two main functions, the first is to control the rotation of the rotating frame 202, and the second is to control the action of the fish driving device 3. A first control end of the control system is connected with a first driving device, a second control end of the control system is connected with a second driving device, the first driving device is used for driving the rotating frame 202 to rotate, and the second driving device is used for driving the fish driving device 3 to act.
Preferably, as shown in fig. 2 to 3, a fixed fish inlet 2011 and a plurality of sorting fish outlets 2012 are circumferentially arranged on the fixed frame 201. The rotating frame 202 is relatively provided with a rotating fish inlet 2021 and a rotating fish outlet 2022, when the rotating frame 202 in the fixing frame 201 rotates, the classifying fish outlet 2012 can be periodically butted with the rotating fish outlet 2022, wherein the fixed fish inlet 2011, the rotating fish inlet 2021 and the rotating fish outlet 2022 have the same shape and size, grid structures are distributed on two sides of the rotating fish inlet 2021 and the rotating fish outlet 2022, and the grids are communicated through the grid structures at the bottom of the rotating frame 202.
Specifically, when the rotating frame 202 rotates, the side surface thereof will slide over the fixed fish inlet 2011 of the fixed frame 201, and when the rotating fish inlet 2021 and the fixed fish inlet 2011 are aligned, a passage is formed for accommodating the fish body from the outside to the inside of the fish frame assembly 2. When the rotary fish outlet 2022 is aligned with a certain classified fish outlet, a passage for accommodating the fish body to swim out from the inside of the fish frame assembly 2 is formed. At the moment, the screening and classification of the fish bodies can be finished only by butting the passage with the determined screening area.
Preferably, the fish repelling apparatus 3 is capable of applying a directional repelling action to the fish bodies inside the fish frame assembly 2 by rotating a grill on the frame 202 as shown in fig. 4-5. The device mainly comprises a plurality of bottom plates 301 which are arranged at equal intervals, and each bottom plate is fixed through a first rotating shaft 302 and a second rotating shaft 303. The first rotating shaft 302 penetrates through the middle position of each bottom plate, and the second rotating shaft 303 penetrates through the lower position of each bottom plate; a first connecting rod 304 is fixedly connected to a first rotating shaft 302 between any two bottom plates 301, a second connecting rod 305 is fixedly connected to a second rotating shaft 303 between any two bottom plates 301, and the first connecting rods 304 and the second connecting rods 305 are in one-to-one correspondence; the free end of the first link 304 is connected with the free end of the corresponding second link 305 through a third link 306, and the upper end of the third link 306 is connected with a flexible brush 307. It is further preferred that the number of the bottom plates 301 of the fish repelling apparatus 3 is adapted to the number of the grids on the rotating frame 202. The bottom plate 301 is fixedly connected with the lower part of the rotating frame 202 through a fixing bolt 308, and a sealing ring is arranged at the connection part.
Through the action of second drive arrangement drive fish device of driving in this application, as shown in fig. 6, specifically include waterproof motor 401, waterproof motor 401 and driving gear 402 fixed connection, driving gear 402 and driven gear 403 mesh, driven gear 403 is fixed on first pivot 302 or second pivot 303. The first rotating shaft 302 and the second rotating shaft 303 both pass through the center line of the bottom plate 301.
Specifically, after the waterproof motor is started, the driving gear 402 and the driven gear 403 transmit output power to the first rotating shaft 302 connected to the driven gear 403, so as to drive the first rotating shaft 302 and the second rotating shaft 303 to rotate synchronously, the first connecting rod 304 and the second connecting rod 305 respectively drive the third connecting rod 306 to perform circular motion on a vertical plane, and at this time, the flexible brush 307 connected to the tail end of the third connecting rod 306 can periodically enter the rotating frame 202 from the grid and then leave. When the third link 306 moves upward, the flexible brush 307 at the end thereof gradually enters the inside of the rotating frame 202, and when the third link 306 moves downward, the flexible brush 307 at the end thereof leaves from the inside of the rotating frame 202.
As a preferred embodiment of the present invention, the screening system further includes an image capturing device, which is configured to extract image information of the fish body in the rotating frame 202, analyze the image information of the fish body through an upper computer to obtain a fish body classification result, send the fish body classification result to the control system, and convert the fish body classification result into a control instruction for controlling the rotating frame 202 to rotate, so that the rotating fish outlet 2022 of the rotating frame 202 is aligned with the corresponding classification fish outlet 2012.
The solution of the invention is further illustrated below by means of a specific application example.
The embodiment provides an electromechanical integrated system which can meet the requirements of classifying, harvesting and catching the under-fed living fishes with large enough forms, small enough forms and the market conditions in the artificial fish culture process and can harvest and catch the living fishes with poor health conditions in necessary cases.
Specifically, as shown in fig. 7-8, the fish frame assembly 2 of the fish screening system is placed in the middle circular area of the classification cultivation box 5, and the fish frame assembly 2 can be suspended in any depth of the cultivation box 5 under the action of the buoys 1. The classified culture box is partitioned into a plurality of different culture spaces through a plurality of partition plates, and the independent culture spaces can be set according to the classification requirements of fishes. In this embodiment, breed the case through the subregion baffle and divide for 5 breed spaces, wherein the biggest one is used for placing all wait to sieve fish bodies before the screening, then each breed space from left to right is as satisfying the fish body temporary storage space, the fish body temporary storage space of underfeeding and breeding, sick fish body temporary storage space and the reserve temporary storage space of the condition of appearing on the market in proper order.
The screening begins, utilizes mechanism 6 of feeding to throw in bait to the inside bait of fish frame subassembly 2, and control system control rotates frame 202 and rotates to advancing the fish station (rotating frame 202 and rotating to advance fish mouth 2021 and fix into fish mouth 2011 and align), and the fish body gets into inside fish frame subassembly 2 by advancing the fish mouth. The fixing frame 201 of the fish frame assembly is provided with a plurality of classified fishoutlets 2012, and each classified fishoutlet 2012 corresponds to an independent temporary storage space. The image acquisition system acquires image information of the fish body and sends the image information to the upper computer for analysis and calculation to obtain fish body length data, health data or other data which can be used as a grading standard. And judging the category of the current fish body according to the analysis result, and finding out the temporary storage space of the cultivation box corresponding to the category.
Optionally, in an implementation manner of this embodiment, the upper computer extracts the fish length data and health data by using a 3D vision-based automatic fish image analysis method, including detecting a fish region in the image by yolov3 algorithm, obtaining coordinate information of a center point of a fish head, a fish tail, and a fish body of each fish in real time by an Intel real sense D435i (depth camera), and obtaining an actual length of the fish body according to a triangle centerline theorem based on the above information, as shown in fig. 9, a point a in the figure represents an installation position of the camera, a point B represents a head point at the forefront end of the fish body, a point C represents a tail point at the rearmost end of the fish body, a point D is a center point at the midpoint of the line segment BC, a length a of the line segment AC, a length B of the line segment AC, and a length C of the line segment AD are obtained by the depth camera, and obtaining the length of the line segment BC based on the triangle centerline theorem, namely the fish body length. Then, the weight of each fish can be estimated according to the body length and weight relation of the fish obtained by breeding practice in advance. And judging whether the fish body is injured according to the image of the fish body by the colleague, thereby obtaining the health data of the fish body.
Optionally, in another implementation manner of this embodiment, the feeding person directly sends the fish body length data, health data, or other data that can be used as a grading standard to the control unit by observing, and determines the category to which the current fish body belongs.
After the temporary storage space of the cultivation box corresponding to the current fish body category is determined, the control system controls the rotating frame to rotate to the classification station (namely the rotating frame rotates 202 to rotate the fish outlet 2022 to align 2012 with the corresponding classification fish outlet), at the moment, the control system controls the second driving device to start the fish driving device 3 to move, the flexible brush 307 enters the fish frame assembly 2, a driving action is applied to the direction of the fish outlet, and the fish body is forced to swim into the corresponding classification temporary storage space from the inside of the fish frame assembly. And repeating the steps until the fish bodies to be classified are classified. As a better implementation mode of the invention, the embodiment can also be combined with a fish culture intelligent decision system, the fish species and classification are detected through an underwater sensor, and then the water-proof motor is controlled to work through a single chip microcomputer, so that the directional driving and capturing of the fish are realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An underwater fish autofilter system, comprising:
the buoy (1), the buoy (1) is used for controlling the depth of the fish frame assembly (2) under water;
the fish frame assembly (2) comprises a cylindrical fixed frame (201) and a rotating frame (202), wherein the rotating frame (202) is sleeved on the inner side of the fixed frame (201), and the rotating frame (202) is in running fit with the fixed frame (201) to generate a unique fish outlet passage, and the fish outlet passage points to an independent space corresponding to the current fish body classification;
the fish driving device (3) is fixedly connected to the bottom of the rotating frame (202), and is used for applying directional driving action to fish bodies in the rotating frame (202) through a grid structure on the rotating frame (202) so that the fish bodies can swim out from a fish outlet passage opposite to the driving direction; and
the fish driving device comprises a control system, wherein a first control end of the control system is connected with a first driving device, a second control end of the control system is connected with a second driving device, the first driving device is used for driving the rotating frame (202) to rotate, and the second driving device is used for driving the fish driving device (3) to act.
2. The system for automatically screening underwater fishes as claimed in claim 1, further comprising an image acquisition device, wherein the image acquisition device is used for extracting fish body image information in the rotating frame (202), analyzing the fish body image information through an upper computer to obtain fish body classification results, sending the fish body classification results to the control system, and converting the fish body classification results into control instructions for controlling the rotating frame (202) to rotate by the control system, so that the rotating fish outlet (2022) of the rotating frame (202) is aligned with the corresponding classifying fish outlet (2012).
3. The automatic underwater fish screening system of claim 1, a fixed fish inlet (2011) and a plurality of classified fish outlets (2012) are circumferentially arranged on the fixed frame (201), the rotating frame (202) is relatively provided with a rotating fish inlet (2021) and a rotating fish outlet (2022), when the rotating frame (202) in the fixed frame (201) rotates, the classified fish outlet (2012) can be periodically butted with the rotating fish outlet (2022), wherein the fixed fish inlet (2011), the rotary fish inlet (2021) and the rotary fish outlet (2022) have the same shape and size, and grid structures are distributed on two sides of the rotary fish inlet (2021) and the rotary fish outlet (2022), and the grids are communicated through the grid structures at the bottom of the rotary frame (202).
4. An automatic screening system for underwater fish according to claim 3, wherein the fish repelling device (3) comprises a plurality of bottom plates (301) which are arranged at equal intervals, each bottom plate is fixed through a first rotating shaft (302) and a second rotating shaft (303), the first rotating shaft (302) penetrates through the middle position of each bottom plate, and the second rotating shaft (303) penetrates through the lower position of each bottom plate;
a first connecting rod (304) is fixedly connected to a first rotating shaft (302) between any two bottom plates (301), a second connecting rod (305) is fixedly connected to a second rotating shaft (303) between any two bottom plates (301), and the first connecting rods (304) and the second connecting rods (305) are in one-to-one correspondence;
the free end of the first connecting rod (304) is connected with the free end of the corresponding second connecting rod (305) through a third connecting rod (306), and the upper end of the third connecting rod (306) is connected with a flexible brush (307);
when the first rotating shaft (302) and the second rotating shaft (303) rotate synchronously, the third connecting rod (306) is driven to do circular motion on a vertical plane through the first connecting rod (304) and the second connecting rod (305), and at the moment, the flexible brush (307) connected to the tail end of the third connecting rod (306) enters the rotating frame (2) from the grid periodically and then leaves.
5. An automated screening system for underwater fish according to claim 4, characterized in that the number of floors (301) of the fish repelling apparatus (3) is adapted to the number of grids on the rotating frame (202).
6. The automatic underwater fish screening system of claim 4, wherein the second driving device comprises a waterproof motor (401), the waterproof motor (401) is fixedly connected with a driving gear (402), the driving gear (402) is meshed with a driven gear (403), and the driven gear (403) is fixed on the first rotating shaft (302) or the second rotating shaft (303).
7. An underwater fish autofilter system according to claim 4, characterized in that the first and second shafts (302, 303) both pass through the centre line of the bottom plate (301).
8. The automatic screening system for underwater fishes as claimed in claim 4, wherein the bottom plate (301) is fixedly connected with the lower part of the rotating frame (202) through a fixing bolt (308), and a sealing ring is arranged at the connection part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210050309.6A CN114342854A (en) | 2022-01-17 | 2022-01-17 | Automatic underwater fish screening system |
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| CN202210050309.6A CN114342854A (en) | 2022-01-17 | 2022-01-17 | Automatic underwater fish screening system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938789A (en) * | 2022-06-17 | 2022-08-26 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | Automatic screening plant of golden yellow snakehead seedling |
| CN117845816A (en) * | 2024-03-08 | 2024-04-09 | 江苏淮阴水利建设有限公司 | Device for detecting water conservancy gate |
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2022
- 2022-01-17 CN CN202210050309.6A patent/CN114342854A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938789A (en) * | 2022-06-17 | 2022-08-26 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | Automatic screening plant of golden yellow snakehead seedling |
| CN114938789B (en) * | 2022-06-17 | 2023-02-24 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | Automatic screening plant of golden yellow snakehead seedling |
| CN117845816A (en) * | 2024-03-08 | 2024-04-09 | 江苏淮阴水利建设有限公司 | Device for detecting water conservancy gate |
| CN117845816B (en) * | 2024-03-08 | 2024-05-17 | 江苏淮阴水利建设有限公司 | Device for detecting water conservancy gate |
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