CN113728960B - High-precision energy-saving fish scanning and counting equipment - Google Patents
High-precision energy-saving fish scanning and counting equipment Download PDFInfo
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- CN113728960B CN113728960B CN202111057086.8A CN202111057086A CN113728960B CN 113728960 B CN113728960 B CN 113728960B CN 202111057086 A CN202111057086 A CN 202111057086A CN 113728960 B CN113728960 B CN 113728960B
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- fish
- fishway
- conveying
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- fish box
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
Abstract
The invention discloses high-precision energy-saving fish scanning and counting equipment, which belongs to the field of counting equipment and comprises a fish box, wherein a fish placing opening is formed in the top wall of the fish box, a fish outlet is formed in one side of the fish box, a plurality of fishway clapboards which are arranged in parallel are arranged on the outer side of the fish outlet of the fish box, the fishway clapboards are mutually fixed through a framework rod, the fish box and the fishway clapboards are supported and fixed through a support, a conveying mechanism is arranged on the lower side of each fishway clapboard, the conveying mechanism comprises a conveying belt, a conveying roller and a conveying motor, and the conveying belt is arranged on the conveying roller. The invention can realize anti-blocking type conveying of fishes, realizes continuous and efficient counting in the conveying process, can prevent a plurality of fishes from passing through the counter simultaneously during counting, so that the equipment counting is more accurate, the fishes do not need to be classified according to body types during counting, the operation time is greatly saved, and in addition, the load born by the equipment during operation is smaller, so the energy-saving and environment-friendly effects are realized.
Description
Technical Field
The invention relates to the technical field of counting equipment, in particular to high-precision energy-saving type fish scanning and counting equipment.
Background
In order to know the feeding condition of the fish in the fish culture process, the fish is randomly caught by a random sampling method, so that the feeding condition of the fish in a fishpond is estimated.
Through retrieval, Chinese patent No. CN 111466329A discloses a counting device for industrially cultured fishes, relates to the technical field of fish feeding, and mainly solves the problems that the specific yield cannot be known in the existing fishpond and the feeding individual difference is large; the device includes first pond, evenly be provided with the ultrasonic wave on the inner wall in first pond and drive the ware, turn left from the right side in the first pond and set gradually first separate net, second separate net and third and separate the net, first separate net, second separate net and third and separate the mesh of net and reduce in proper order, first pond passes through the passageway and links to each other with the second pond, be provided with the counter in the passageway, be provided with in the second pond and catch the net, catch the net and catch the frame and link to each other, the volume of counter is adjustable.
The fish counting device in the prior art has the following technical defects when in use: the fish counting device needs to sort fishes according to body sizes during counting, then technology is carried out, the operation is complex, the consumed time is long, in addition, in the counting process, large-batch and continuous counting cannot be realized, and the problem of inaccurate counting is easily caused by the fact that fishes pass through the counter simultaneously during counting, so the invention provides the high-precision energy-saving type fish scanning counting equipment.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides high-precision energy-saving fish scanning and counting equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-precision energy-saving type fish scanning and counting device comprises a fish box, wherein a fish placing opening is formed in the top wall of the fish box, a fish outlet is formed in one side of the fish box, a plurality of fishway clapboards which are arranged in parallel are arranged on the outer side of the fish outlet of the fish box, the fishway clapboards are mutually fixed through a framework rod, the fish box and the fishway clapboards are supported and fixed through a support, a conveying mechanism is arranged on the lower side of each fishway clapboard, the conveying mechanism comprises a conveying belt, a conveying roller and a conveying motor, the conveying belt is installed on the conveying roller, the conveying roller is installed through support, the conveying roller is driven through the conveying motor, a fishway is arranged between any two adjacent fishway clapboards, and a counter and a fish control mechanism which are installed on the fishway clapboards are arranged in the fishway;
the counter includes the relative infrared emitter and the infrared receiver who installs, accuse fish mechanism sets up between counter and fish box, accuse fish mechanism is including controlling the fish plate, the one end that the counter was kept away from to the accuse fish plate is fixed with the pivot, the both ends of pivot are all rotated and are installed and rotate the seat, and rotate the seat and fix with the fishway baffle, the pivot is close to the position department that rotates the seat and is fixed with the lantern ring, be fixed with the pin on the lantern ring, the one end that the lantern ring was kept away from to the pin extends to the upside that rotates the seat, rotate and be fixed with the stopper corresponding with the pin on the seat.
Furthermore, the frame rods are fixed on the upper side of the fishway partition plate and are close to the positions of the two ends of the fishway partition plate.
Furthermore, the bottom of the fish box is provided with water filtering holes, and the surface of the conveying belt is provided with water filtering holes.
Furthermore, a cover plate is arranged above the fishway of the fishway clapboard, and the cover plate is provided with a ventilating slot hole in a penetrating way.
Furthermore, an arc-shaped bulge is arranged at one end, close to the counter, of the fish control plate.
Another object of the invention is: the fish can enter the fishway more quickly and smoothly, and counting can be completed conveniently, quickly and efficiently, so that the invention provides the following technical scheme on the basis of the technical scheme:
further, the fish box is equipped with dials and send the mechanism, dial and send the mechanism including setting up a plurality of dials at the fish box inside and send the board, dial and send board one end to extend to the fish mouth department of fish box, and rotate the installation with the tip of fishway baffle, the diapire of fish box runs through and has seted up the transverse groove, dial and send the board to keep away from the one end of fishway baffle and seted up vertical groove, vertical groove and transverse inslot slide jointly and be equipped with to dial and send the slide bar, the downside of fish box is rotated and is equipped with the threaded rod, the threaded rod passes through the support and supports the installation, and the one end of threaded rod dials and send motor drive end installation, dial the downside that the bottom of sending the slide bar and all extend to the fish box and be fixed with the screwed pipe respectively, screwed pipe and threaded rod thread installation.
Further, the articulated shaft is installed to the one end that dials the board and is close to the fishway baffle, articulated shaft assorted articulated seat is installed to the tip of fishway baffle.
Furthermore, the lower side of the poking and conveying plate is embedded with a ball.
Furthermore, the rear side plate body of the fish box is inclined.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, fishes are conveyed from the fish box to the fishway of the fishway partition plate through the conveying mechanism, after entering the fishway, the fishes can be ensured to sequentially pass through the counter through the fish control mechanism to complete counting, the problem that the counting of a plurality of fishes is inaccurate due to the fact that the fishes simultaneously pass through the counter is avoided, the ordered and high-accuracy counting of the fishes is realized, meanwhile, the arrangement of the fish control mechanism can also avoid classifying the fishes according to body types, and the operation time is greatly saved.
2. According to the invention, the poking and conveying mechanism is arranged, so that fishes in the fish box can be conveyed into the fishway between the conveying belt and the fishway partition plate in an anti-blocking manner, smooth and orderly conveying of the fishes into the fishway is ensured, and accurate counting is completed in subsequent operation.
3. According to the invention, not only is the efficient, rapid and accurate counting of the fishes realized by arranging the fish control mechanism and the poking and conveying mechanism, but also the probability of damage and halt of the equipment can be reduced because the fishes are not detained and blocked in the equipment in the whole process, and meanwhile, the device can filter a water body during operation, so that the load during operation of the equipment is reduced, and therefore, the equipment is more efficient and energy-saving.
In conclusion, the anti-blocking type fish conveying device can realize anti-blocking type fish conveying, continuous and efficient counting is realized during conveying, multiple fishes can be prevented from passing through the counter simultaneously during counting, so that the equipment is more accurate in counting, the fishes do not need to be classified according to body types during counting, operation time is greatly saved, and in addition, the load borne by the equipment during operation is smaller, so that the energy is saved, and the environment is protected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view showing the positional relationship between the conveyor and the fish bin according to the present invention;
FIG. 3 is a schematic view of the installation of the counter, the fish control mechanism and the fishway partition plate of the present invention;
FIG. 4 is a schematic structural view of the fish control mechanism of FIG. 3 during swinging;
FIG. 5 is a schematic structural diagram of the fish control mechanism of the present invention;
FIG. 6 is a bottom view of the fish control plate of FIG. 5;
FIG. 7 is a schematic overall structure diagram of a second embodiment of the present invention;
FIG. 8 is a schematic view showing the installation of the pulling mechanism, the fish box and the fishway partition plate according to the second embodiment;
FIG. 9 is a schematic view of the structure of the setting mechanism in FIG. 8;
FIG. 10 is a schematic structural view of the bottom wall of the fish box in the second embodiment;
fig. 11 is a schematic structural view of a dial plate in the second embodiment.
In the figure: 1 fish box, 2 fishway clapboards, 3 conveyer belts, 4 supports, 5 conveying motors, 6 conveying rollers, 7 counters, 8 fish control mechanisms, 9 cover plates, 10 fish control plates, 11 rotating shafts, 12 rotating seats, 13 lantern rings, 14 stop levers, 15 limiting blocks, 16 arc-shaped protrusions, 17 skeleton levers, 18 stirring plates, 19 hinged seats, 20 stirring sliding rods, 21 threaded pipes, 22 threaded rods, 23 stirring motors, 24 vertical grooves and 25 transverse grooves.
Detailed Description
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to 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.
Example one
Referring to fig. 1-6, a high-precision energy-saving fish scanning and counting device comprises a fish box 1, wherein a fish placing opening is formed in the top wall of the fish box 1, a fish outlet is formed in one side of the fish box 1, and a plate body on the rear side of the fish box 1 is inclined. After the fish is placed in the fish box 1, the fish can be conveniently gathered towards the fish outlet of the fish box 1 through the inclined plate body on the rear side.
The play fish mouth outside of fish box 1 is equipped with a plurality of parallel arrangement's fishway baffle 2, and through skeleton pole 17 reciprocal anchorage between a plurality of fishway baffles 2, skeleton pole 17 is fixed at the upside of fishway baffle 2, and is close to the position department at 2 both ends of fishway baffle. The fish box 1 and the fishway partition plates 2 are supported and fixed through supports 4, a conveying mechanism is arranged on the lower side of each fishway partition plate 2 and comprises a conveying belt 3, a conveying roller 6 and a conveying motor 5, the conveying belt 3 is installed on the conveying roller 6, the conveying roller 6 is supported and installed through the supports 4 and driven by the conveying motor 5, a fishway is arranged between any two adjacent fishway partition plates 2, and a counter 7 and a fish control mechanism 8 which are installed on the fishway partition plates 2 are arranged in the fishway;
the counter 7 comprises an infrared transmitter and an infrared receiver which are oppositely arranged, the infrared transmitter and the infrared receiver of the counter 7 receive signals, and when fishes pass through the infrared transmitter and the infrared receiver before the fishes pass through the infrared transmitter and the infrared receiver, the signals are interrupted, and counting is achieved. The counter 7 is well known in the art and will not be described in any greater detail herein.
After fish enter the fishway from the fish box 1, the fish are guided by the fish control mechanism 8, and the specific process is that the fish move from one side of the fish box 1 to the counter 7 through the conveyer belt 3, when passing through the fish control plate 10, one end of the fish control plate 10 is rotatably installed with the rotating seat 12 on the fishway partition plate 2 through the rotating shaft 11, under the natural state, one end of the fish control plate 10 close to the counter 7 is inclined downwards under the self gravity, and the bottom end of the fish control plate 10 is in sliding contact with the upper surface of the conveyer bottom 3 (or the bottom end of the fish control plate 10 and the upper surface of the conveyer bottom 3 leave a small gap which needs to be smaller than the size of the fish and is set according to the actual use condition), the fish first contacts with the fish control plate 10 when passing through, because the fish receive the forward acting force of the conveyer belt 3, the fish can jack up the fish control plate 10, so that the fish control plate 10 rotates through the rotating shaft 11 and the rotating seat 12, during rotation, the collar 13 and the stop lever 14 fixed on the collar 13 rotate synchronously, and the stop lever 14 is blocked and limited by the limiting block 15 fixed on the rotating seat 12, so that excessive rotation of the fish control plate 10 is avoided, the maximum rotation of the fish control plate 10 depends on the specific position of the limiting block 15 on the rotating seat 12, and in this embodiment, the position of the limiting block 15 is approximately as shown in fig. 5.
The gravity through accuse fish board 10 is exerted on fish, when a plurality of fishes appear simultaneously with accuse fish board 10 contact, utilizes accuse fish board 10 can block unnecessary fish, ensures that fish passes through in proper order to utilize counter 7 to realize counting in proper order, guarantee the accuracy nature of count.
The arc-shaped protrusion 16 arranged on the fish control plate 10 can increase to a certain extent to guide fish, the head or the tail of the fish can be contacted with the arc-shaped protrusion 16, and then the fish passes through one side of the counter 7 of the fish control plate 10 after the fish control plate 10 is jacked up to move, and counting is finished subsequently.
The bottom of the fish box 1 is provided with water filtering holes, and the surface of the conveyer belt 3 is provided with water filtering holes. The water filtering holes are formed at all positions, so that water bodies carried when fishes are placed into the equipment can be filtered, the load of the equipment is reduced, and the energy-saving effect is achieved.
A cover plate 9 is arranged above the fishway of the fishway clapboard 2, and the cover plate 9 is provided with a ventilating slot hole in a penetrating way. The cover plate 9 can prevent fishes from jumping out of the fishway, and the ventilation slotted holes can prevent the fishes from being dead due to oxygen deficiency, thereby ensuring the activity of the fishes.
Example two
Referring to fig. 7-11, in the second embodiment, on the basis of the first embodiment, a stirring and feeding mechanism is further disposed at the fish box 1, the stirring and feeding mechanism includes a plurality of stirring and feeding plates 18 disposed inside the fish box 1, one end of each stirring and feeding plate 18 extends to the fish outlet of the fish box 1, and is rotatably mounted with the end of the fishway partition plate 2, in the second embodiment, a hinge shaft is mounted at one end of each stirring and feeding plate 18 close to the fishway partition plate 2, and a hinge seat 19 matched with the hinge shaft is mounted at the end of the fishway partition plate 2.
The diapire of fish box 1 runs through and has seted up transverse groove 25, dial the one end of sending board 18 to keep away from fishway baffle 2 and seted up vertical groove 24, slide jointly in vertical groove 24 and the transverse groove 25 and be equipped with to dial and send slide bar 20, the downside of fish box 1 is rotated and is equipped with threaded rod 22, threaded rod 22 supports the installation through support 4, and the one end of threaded rod 22 dials and send the installation of motor 23 drive end, dial the downside that the bottom of sending slide bar 20 all extends to fish box 1 and be fixed with screwed pipe 21 respectively, screwed pipe 21 and the threaded rod 22 threaded installation.
After the fish is put into the fish box 1, the dial-sending motor 23 drives the threaded rod 22 to rotate, the threaded rod 22 is in threaded fit with the threaded pipe 21, and the dial-sending sliding rod 20 is arranged in the vertical groove 24 and the transverse groove 25 in a sliding mode, so when the threaded rod 22 rotates, the threaded pipe 21 can move along the threaded rod 22, the dial-sending sliding rod 20 firstly moves in the transverse groove 25, the dial-sending sliding rod can be in sliding fit with the vertical groove 24 while moving, the dial-sending plate 18 is guided to rotate through the hinged seat 19 and the hinged rotating shaft and the end part of the fishway partition plate 2, the rotation mode of the dial-sending motor 23 is forward rotation and reverse rotation repeated alternation, so the dial-sending plate 18 can be controlled to repeatedly dial in the fish box 1, at the moment, the dial-sending plate 18 can repeatedly push the fish in the fish box 1, the fish is prevented from being detained in the fish box 1 and blocking a fish outlet, and smooth entering the fishway is realized. Then through the fish control mechanism 8 and finally through the counter 7.
The lower side of the dial-up plate 18 is embedded with balls. The setting of ball can reduce and dial the resistance that send board 18 when stirring and between 1 diapire of fish box, makes it stir more smoothly, and reduces the energy consumption of dialling and sending motor 23.
The counter 7 may be connected to a display device for displaying data information, the display device is a technology known in the art, and details of the present invention are not described herein.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. The utility model provides a high accuracy energy-saving fish scans counting equipment, includes fish box (1), its characterized in that, the roof of fish box (1) has been seted up and has been put the fish mouth, one side of fish box (1) has been seted up out the fish mouth, the fish mouth outside of fish box (1) is equipped with a plurality of parallel arrangement's fishway baffle (2), and is a plurality of mutually fixed through hack lever (17) between fishway baffle (2), fish box (1) and fishway baffle (2) all support fixedly through support (4), the downside of fishway baffle (2) is equipped with transport mechanism, transport mechanism includes conveyer belt (3), conveying roller (6) and conveying motor (5), conveyer belt (3) are installed on conveying roller (6), conveying roller (6) support the installation through support (4), and conveying roller (6) are through conveying motor (5) drive, a fishway is arranged between any two adjacent fishway clapboards (2), and a counter (7) and a fish control mechanism (8) which are arranged on the fishway clapboards (2) are arranged in the fishway;
the counter (7) comprises an infrared emitter and an infrared receiver which are installed oppositely, the fish control mechanism (8) is arranged between the counter (7) and the fish box (1), the fish control mechanism (8) comprises a fish control plate (10), one end, far away from the counter (7), of the fish control plate (10) is fixedly provided with a rotating shaft (11), two ends of the rotating shaft (11) are rotatably provided with rotating seats (12), the rotating seats (12) are fixed with the fishway partition plate (2), a lantern ring (13) is fixedly arranged at the position, close to the rotating seats (12), of the rotating shaft (11), a stop lever (14) is fixedly arranged on the lantern ring (13), one end, far away from the lantern ring (13), of the stop lever (14) extends to the upper side of the rotating seats (12), and a limiting block (15) corresponding to the stop lever (14) is fixedly arranged on the rotating seats (12);
the fish box (1) is provided with a poking and conveying mechanism, the poking and conveying mechanism comprises a plurality of poking and conveying plates (18) arranged inside the fish box (1), one end of each poking and conveying plate (18) extends to a fish outlet of the fish box (1) and is rotatably installed with the end part of the fishway partition plate (2), a transverse groove (25) is formed in the bottom wall of the fish box (1) in a penetrating mode, one end, far away from the fishway partition plate (2), of each poking and conveying plate (18) is provided with a vertical groove (24), a poking and conveying sliding rod (20) is arranged in each vertical groove (24) and each transverse groove (25) in a sliding mode, a threaded rod (22) is arranged on the lower side of the fish box (1) in a rotating mode, the threaded rod (22) is supported and installed through a support (4), one end of the threaded rod (22) is installed at the driving end of a poking and conveying motor (23), the bottom ends of the poking and conveying sliding rods (20) extend to the lower side of the fish box (1) and are respectively fixed with threaded pipes (21), the threaded pipe (21) and the threaded rod (22) are installed in a threaded mode;
one end of the pulling and conveying plate (18) close to the fishway partition plate (2) is provided with a hinged shaft, and the end part of the fishway partition plate (2) is provided with a hinged seat (19) matched with the hinged shaft; and balls are embedded and mounted on the lower side of the poking and conveying plate (18).
2. A high-precision energy-saving fish scanning and counting device according to claim 1, wherein the skeleton rod (17) is fixed on the upper side of the fishway baffle (2) and near the two ends of the fishway baffle (2).
3. A high-precision energy-saving fish scanning and counting device as claimed in claim 1, wherein the bottom of the fish box (1) is provided with water filtering holes, and the surface of the conveyor belt (3) is provided with water filtering holes.
4. A high-precision energy-saving fish scanning and counting device as claimed in claim 1, wherein a cover plate (9) is provided above the fishway of the fishway partition plate (2), and the cover plate (9) is provided with a ventilation slot.
5. A high-precision energy-saving fish scanning and counting device as claimed in claim 1, wherein an arc-shaped protrusion (16) is arranged at one end of the fish control plate (10) close to the counter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057086.8A CN113728960B (en) | 2021-09-09 | 2021-09-09 | High-precision energy-saving fish scanning and counting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057086.8A CN113728960B (en) | 2021-09-09 | 2021-09-09 | High-precision energy-saving fish scanning and counting equipment |
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| Publication Number | Publication Date |
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| CN113728960A CN113728960A (en) | 2021-12-03 |
| CN113728960B true CN113728960B (en) | 2022-07-15 |
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| CN202111057086.8A Active CN113728960B (en) | 2021-09-09 | 2021-09-09 | High-precision energy-saving fish scanning and counting equipment |
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| CN115025988B (en) * | 2022-08-15 | 2023-02-24 | 射阳县海涂开发有限责任公司 | Screening device for beach development |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3228193A1 (en) * | 2016-04-08 | 2017-10-11 | Etablissements Faivre | Device for separating fish |
| WO2018011744A1 (en) * | 2016-07-13 | 2018-01-18 | Biosort As | Device for sorting fish out from a stream of swimming fish |
| CN107593561A (en) * | 2017-10-17 | 2018-01-19 | 上海海洋大学 | A kind of fish grading plant with interruption bamboo joint type nonlinear organization |
| CN109937947A (en) * | 2019-04-24 | 2019-06-28 | 中国海洋大学 | Fig counter |
| CN213548976U (en) * | 2020-10-15 | 2021-06-29 | 龙阔（苏州）生物工程有限公司 | Detachable movable door with counting function |
-
2021
- 2021-09-09 CN CN202111057086.8A patent/CN113728960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3228193A1 (en) * | 2016-04-08 | 2017-10-11 | Etablissements Faivre | Device for separating fish |
| WO2018011744A1 (en) * | 2016-07-13 | 2018-01-18 | Biosort As | Device for sorting fish out from a stream of swimming fish |
| CN107593561A (en) * | 2017-10-17 | 2018-01-19 | 上海海洋大学 | A kind of fish grading plant with interruption bamboo joint type nonlinear organization |
| CN109937947A (en) * | 2019-04-24 | 2019-06-28 | 中国海洋大学 | Fig counter |
| CN213548976U (en) * | 2020-10-15 | 2021-06-29 | 龙阔（苏州）生物工程有限公司 | Detachable movable door with counting function |
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| CN113728960A (en) | 2021-12-03 |
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