CN113854223A - Cultured fish classified counting device and method thereof - Google Patents
Cultured fish classified counting device and method thereof Download PDFInfo
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- CN113854223A CN113854223A CN202111320116.XA CN202111320116A CN113854223A CN 113854223 A CN113854223 A CN 113854223A CN 202111320116 A CN202111320116 A CN 202111320116A CN 113854223 A CN113854223 A CN 113854223A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 7
- 230000002776 aggregation Effects 0.000 abstract description 3
- 238000004220 aggregation Methods 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000384 rearing effect Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003938 response to stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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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- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a cultured fish classification counting device and a method thereof, and the device comprises a counting mechanism, a net collecting mechanism, a supporting mechanism and a plurality of nets, wherein the supporting mechanism comprises a supporting frame and a fish passing channel; according to the invention, the fish in different sizes are classified by arranging the pocket nets with gradually changed meshes, different net collecting speeds are set, the purposes of reducing aggregation, reducing stress reaction of the fish and reducing damage are achieved, the phenomenon of fish overlapping in the process of passing through a fishway is also reduced, meanwhile, the fish separating switcher is arranged according to the size of the classified fish, is adaptive to the passing of the fish in different sizes, and the application range of the device is improved.
Description
Technical Field
The invention relates to the technical field of fish classification and counting, in particular to a classification and counting device and method for cultured fish.
Background
In order to realize commercial sale, a farm needs to classify the cultured fishes, the fishes with similar sizes and specifications are grouped together, the number of the fishes with the same specification needs to be known, and sale and culture plans can be conveniently formulated. The traditional method adopts a manual fishing or facility auxiliary method to divide the fish, and the manual fishing has the disadvantages of high labor intensity, low efficiency and great damage to the fish; the fish is manually operated and separated by adopting facilities such as metal grids or grids and the like in an auxiliary mode, the operation process time is short, the stress response of the fishes is large, the damage to the cultured fishes is serious, and the quantity of the fishes cannot be calculated. The fish counting method also adopts a video or optical mode for counting, but because the condition that the fishes are mutually overlapped in water cannot be controlled, a large error is generated, and the counting accuracy of the method is directly influenced.
The above problems are present in both a transport and classification temporary rearing system suitable for fish gathering and transporting in dams and a fry classification device of CN104137796A, as disclosed in publication No. CN 113273534A.
In order to solve the problems, the invention provides a device and a method for classifying and counting cultured fishes, which solve the problem that the fishes cannot be classified and counted in the prior art.
Disclosure of Invention
The invention aims to provide a device and a method for classifying and counting cultured fishes, which achieve the purposes of classifying and counting the fishes.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides a breed categorised counting assembly of fish, includes counting mechanism, receipts net mechanism, supporting mechanism and a plurality of pocket net, supporting mechanism includes the carriage and crosses the fish passageway, and is a plurality of the pocket net all sets up on the carriage just the pocket net overlaps in proper order and establishes the one deck in the front the pocket net outside, and is a plurality of pocket net outside-in mesh crescent, receive net mechanism and be used for the inlayer the pocket net is outmost the shrink in proper order of pocket net, cross the fish passageway be used for with by the shrink pocket net intercommunication, counting mechanism is including setting up cross the fish passageway with branch fish switch, grating and the optical camera of pocket net intercommunication department, the grating with the optical camera sets gradually in crossing in the fish passageway, receive net mechanism and be used for control the shrink speed of pocket net.
Preferably, a bellmouth is arranged at the part of the fish passing channel communicated with the pocket net, a large opening end of the bellmouth faces into the pocket net, and a small opening end of the bellmouth is communicated with the fish passing channel.
Preferably, the supporting frame is circumferentially provided with a plurality of fixing columns and a plurality of traction ropes connected in series to the fixing columns, and the pocket nets are respectively connected with the traction ropes.
Preferably, the supporting mechanism further comprises a floating body and a pair of fishpond walkways provided with sliding grooves, two sides of the supporting frame are arranged in the sliding grooves, and the floating body is arranged on the supporting frame.
Preferably, the net retracting mechanism comprises a gearbox, a motor and a winding rod connected with the output end of the motor, the winding rod is connected with the traction rope, and the gearbox is used for controlling the rotating speed of the motor.
Preferably, the fish storage mechanism comprises a fish temporary rearing box, one end of the fish passing channel penetrates through the support frame and is communicated with the contracted net, the other end of the fish passing channel is communicated with the fish temporary rearing box, and the fish separating switcher is arranged at the joint of the fish passing channel and the support frame.
Preferably, the distance between the optical grating and the optical camera along the fish passage is greater than twice the length of the fish body.
A method for classifying and counting cultured fishes comprises the following steps:
transferring the captured fishes with different specifications to the innermost layer of the purse net in the cultured fish classifying and counting device;
the net collecting mechanism slowly shrinks the traction rope through controlling the rotating speed of the motor by the gearbox, further shrinks the innermost layer of the net bag and enables the net bag to float upwards, and compresses the moving space of the fish which cannot pass through meshes of the innermost layer of the net bag;
the fish enters the temporary fish culture box through the fish passing channel;
the optical camera and the grating perform combined counting on the passing fish;
the net collecting mechanism continuously shrinks the next layer of net bag through the traction rope, enables the layer of net bag to float upwards and compresses the moving space of the fish which can not pass through the net bag meshes of the layer of net bag;
the fish enters the temporary fish culture box through the fish channel;
the optical camera and the grating perform combined counting on the passing fish;
and repeating the steps until all the fishes are classified and counted.
Preferably, the optical camera and the grating count the passing fish at different times, and the maximum count is taken as the final count.
Compared with the prior art, the invention has the following technical effects: according to the invention, the purpose of classifying fishes of different sizes is achieved by arranging a plurality of pockets with gradually changing meshes; the net collecting mechanism can set different net collecting speeds according to actual conditions, so that the aims of reducing fish aggregation and fish stress reaction and reducing damage are fulfilled; the arrangement of the fish separating switcher also reduces the phenomenon that fishes pass through the fishway in an overlapping way; meanwhile, the fish sorting switcher is arranged according to the size of the sorted fish and is adaptive to the passing of the fishes with different sizes, so that the application range of the device is improved; the grating and the optical camera are arranged simultaneously, so that the counting precision is improved.
Drawings
In order to more clearly illustrate the present invention or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a cultured fish classifying and counting device;
FIG. 2 is a schematic view of a fish passage structure;
FIG. 3 is a schematic structural view of a counting mechanism;
wherein, 1, tucking net; 2. net-holding; 3. fixing a column; 4. a net collecting mechanism; 5. a counting mechanism; 6. temporarily breeding the fish in a box; 7. a fishpond walkway; 8. a float; 9. a fish separating switcher; 10. a bell mouth; 11. a fish passage; 12. a support frame; 13. an optical camera; 14. and (4) a grating.
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. 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.
The invention aims to provide a device and a method for classifying and counting cultured fishes, which achieve the purposes of classifying and counting the fishes.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 3, a classified counting device for cultured fish comprises a counting mechanism 5, a net collecting mechanism 4, a supporting mechanism and a plurality of nets 1, wherein the supporting mechanism comprises a supporting frame 12 and a fish passing channel 11, the nets 1 of the plurality of nets 1 are all arranged on the supporting frame 12, the nets 1 of the plurality of nets 1 are sequentially sleeved on the outer side of the net 1 of the previous layer, meshes of the nets 1 of the plurality of nets 1 are gradually increased from outside to inside, the net collecting mechanism 4 is used for sequentially shrinking the net 1 of the innermost layer towards the net 1 of the outermost layer, the fish passing channel 11 is used for communicating with the shrunk net 1, the counting mechanism 5 comprises a fish separating switcher 9, a grating 14 and an optical camera 13 which are arranged at the communication part of the fish passing channel 11 and the net 1, the grating 14 and the optical camera 13 are sequentially arranged in the fish passing channel 11, and the net collecting mechanism 4 is used for controlling the shrinking speed of the net 1; according to the invention, the purpose of classifying fishes of different sizes is achieved by arranging the pocket nets 1 with gradually changed meshes; the net collecting mechanism 4 can set different net collecting speeds according to actual conditions, and the purposes of reducing fish aggregation and fish stress reaction and reducing damage are achieved; the arrangement of the fish separating switcher 9 also reduces the phenomenon that fishes pass through in a fish way in an overlapping way; meanwhile, the fish sorting switcher 9 is arranged according to the size of the sorted fish and is adapted to the fishes of different sizes to pass through, so that the application range of the device is improved; the simultaneous arrangement of the grating 14 and the optical camera 13 improves the accuracy of the counting.
Referring to fig. 1 to 2, a bellmouth 10 is arranged at a part of the fish passage 11 communicated with the pocket net 1, a large opening end of the bellmouth 10 faces the inside of the pocket net 1, and a small opening end of the bellmouth 10 is communicated with the fish passage 11; the purpose of preventing fish from passing back and forth is achieved.
Referring to fig. 1, a plurality of fixed columns 3 and a plurality of hauling ropes connected in series to the fixed columns 3 are circumferentially arranged on a support frame 12, and a plurality of nets 1 are respectively connected with the plurality of hauling ropes; the net collecting mechanism is respectively connected with a plurality of traction ropes and is used for tightening the traction ropes; the purpose of tightening the pocket net 1 is achieved by tightening the traction ropes.
Referring to fig. 1, the supporting mechanism further includes a floating body 8 and a pair of fishpond walkways 7 with chutes, two sides of the supporting frame 12 are disposed in the chutes, and the floating body 8 is disposed on the supporting frame 12.
Furthermore, the net winding mechanism comprises a gearbox, a motor and a winding rod connected with the output end of the motor, the winding rod is connected with the traction rope, and the gearbox is used for controlling the rotating speed of the motor.
Referring to fig. 1, the fish storage mechanism is further included, the fish storage mechanism includes a fish temporary rearing box 6, one end of a fish passage 11 penetrates through a support frame 12 and is communicated with the contracted pocket net 1, the other end of the fish passage is communicated with the fish temporary rearing box 6, and a fish separating switcher 9 is arranged at the joint of the fish passage 11 and the support frame 12; the fish separating switcher 9 can be set according to the size of the classified fish and is suitable for the fishes with different sizes to pass through.
Further, the distance that the grating 14 and the optical camera 13 run along the fish passage 11 is more than twice the length of the fish body.
The method for classifying and counting the cultured fishes comprises the following steps: the method comprises the following steps:
transferring the captured fishes with different specifications to an innermost purse net 1 in the cultured fish classifying and counting device; the net collecting mechanism slowly shrinks the traction rope through controlling the rotating speed of the motor by the gearbox, further shrinks the innermost layer net 1 and enables the net 1 to float upwards, and compresses the moving space of the fish which can not pass through meshes of the innermost layer net 1; the fish enters the temporary fish culture box 6 through the fish channel 11; the optical camera 13 and the grating 14 perform combined counting on the fish passing through; the net collecting mechanism continuously shrinks the next layer of pocket net 1 through a traction rope, and enables the layer of pocket net 1 to float upwards and compress the moving space of the fish which can not pass through the meshes of the layer of pocket net 1; the fish enters the temporary fish culture box 6 through the fish channel 11; the optical camera 13 and the grating 14 count the fish passing through jointly; and repeating the steps until all the fishes are classified and counted.
Further, when the results of counting the fish passing through by the optical camera 13 and the optical grating 14 are different, the maximum count is used as the final count.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a categorised counting assembly of breed fish, its characterized in that includes counting mechanism, receipts net mechanism, supporting mechanism and a plurality of pocket net, supporting mechanism includes the carriage and crosses the fish passageway, and is a plurality of the pocket net all sets up on the carriage just the pocket net overlaps in proper order and establishes the one deck in the pocket outside, and is a plurality of pocket net outside-in mesh crescent, receive net mechanism and be used for the inlayer the pocket net is outmost to the shrink in proper order of pocket net, cross the fish passageway be used for with by the shrink pocket net intercommunication, counting mechanism is including setting up cross the fish passageway with branch fish switch, grating and optical camera of pocket net intercommunication department, the grating with optical camera sets gradually in crossing the fish passageway, receive net mechanism and be used for control the shrink speed of pocket net.
2. The device for classifying and counting the cultured fishes as claimed in claim 1, wherein a bellmouth is arranged at the part of the fish passing channel communicated with the net, the large opening end of the bellmouth faces the net, and the small opening end of the bellmouth is communicated with the fish passing channel.
3. The classifying and counting device for the cultured fish as claimed in claim 1, wherein the supporting frame is circumferentially provided with a plurality of fixing posts and a plurality of pulling ropes connected in series with the fixing posts, and the plurality of tuck nets are respectively connected with the plurality of pulling ropes.
4. The device as claimed in claim 3, wherein the support mechanism further comprises a floating body and a pair of fishpond walkways with chutes, two sides of the support frame are disposed in the chutes, and the floating body is disposed on the support frame.
5. The classification and counting device for the cultured fishes as claimed in claim 1, wherein the net retracting mechanism comprises a gear box, a motor and a winding rod connected with the output end of the motor, the winding rod is connected with the traction rope, and the gear box is used for controlling the rotation speed of the motor.
6. The classifying and counting device for cultured fish as claimed in claim 1, further comprising a fish storage mechanism, wherein the fish storage mechanism comprises a temporary fish culture box, one end of the fish passage extends through the support frame and is communicated with the contracted net, the other end of the fish passage is communicated with the temporary fish culture box, and the fish separating switch is arranged at the joint of the fish passage and the support frame.
7. The device as claimed in claim 1, wherein the distance between the grating and the optical camera along the fish passage is greater than two times the length of the fish body.
8. A cultured fish classified counting method is characterized by comprising the following steps:
transferring the captured fishes with different specifications to the innermost layer of the purse net in the cultured fish classifying and counting device;
the net collecting mechanism slowly shrinks the traction rope through controlling the rotating speed of the motor by the gearbox, further shrinks the innermost layer of the net bag and enables the net bag to float upwards, and compresses the moving space of the fish which cannot pass through meshes of the innermost layer of the net bag;
the fish enters the temporary fish culture box through the fish passing channel;
the optical camera and the grating perform combined counting on the passing fish;
the net collecting mechanism continuously shrinks the next layer of net bag through the traction rope, enables the layer of net bag to float upwards and compresses the moving space of the fish which can not pass through the net bag meshes of the layer of net bag;
the fish enters the temporary fish culture box through the fish channel;
the optical camera and the grating perform combined counting on the passing fish;
and repeating the steps until all the fishes are classified and counted.
9. The method as claimed in claim 8, wherein the optical camera and the grating count the fish passing through at different times, and the maximum count is used as the final count.
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CN202111320116.XA CN113854223A (en) | 2021-11-09 | 2021-11-09 | Cultured fish classified counting device and method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115024265A (en) * | 2022-06-24 | 2022-09-09 | 中国海洋大学 | Fish counting device and counting method thereof |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011051279A1 (en) * | 2011-03-07 | 2012-09-13 | André Meißner | Arrangement for detection and documentation of count, direction, speed, size and type of aquatic organisms i.e. fishes, in fish control station, has lights working in range of infrared light, and image formed on reference surface |
CN107711655A (en) * | 2017-11-24 | 2018-02-23 | 谢育枝 | A kind of net cage and cultural method for aquaculture |
WO2018061926A1 (en) * | 2016-09-30 | 2018-04-05 | 日本電気株式会社 | Counter system and counting method |
CN107909137A (en) * | 2017-11-27 | 2018-04-13 | 南瑞集团有限公司 | A kind of fish pass crosses fish counting and recognition methods |
CN207854812U (en) * | 2018-01-08 | 2018-09-14 | 三峡大学 | A kind of fish gathering divides fish system |
CN208708485U (en) * | 2018-08-15 | 2019-04-09 | 天津市海乐水产养殖专业合作社 | A kind of fast screening devices of aquatic cultivation fry |
CN110521681A (en) * | 2019-09-29 | 2019-12-03 | 浙江海洋大学 | A kind of tear-away Cod-ends of Trawl of nested type separation catches and operational method |
CN210470686U (en) * | 2019-06-12 | 2020-05-08 | 湖南苋鲜生态科技有限公司 | Basin formula live fish automatic sorting equipment |
CN216753267U (en) * | 2021-11-09 | 2022-06-17 | 中国水产科学研究院渔业机械仪器研究所 | Classified counting device for cultured fish |
-
2021
- 2021-11-09 CN CN202111320116.XA patent/CN113854223A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011051279A1 (en) * | 2011-03-07 | 2012-09-13 | André Meißner | Arrangement for detection and documentation of count, direction, speed, size and type of aquatic organisms i.e. fishes, in fish control station, has lights working in range of infrared light, and image formed on reference surface |
WO2018061926A1 (en) * | 2016-09-30 | 2018-04-05 | 日本電気株式会社 | Counter system and counting method |
CN107711655A (en) * | 2017-11-24 | 2018-02-23 | 谢育枝 | A kind of net cage and cultural method for aquaculture |
CN107909137A (en) * | 2017-11-27 | 2018-04-13 | 南瑞集团有限公司 | A kind of fish pass crosses fish counting and recognition methods |
CN207854812U (en) * | 2018-01-08 | 2018-09-14 | 三峡大学 | A kind of fish gathering divides fish system |
CN208708485U (en) * | 2018-08-15 | 2019-04-09 | 天津市海乐水产养殖专业合作社 | A kind of fast screening devices of aquatic cultivation fry |
CN210470686U (en) * | 2019-06-12 | 2020-05-08 | 湖南苋鲜生态科技有限公司 | Basin formula live fish automatic sorting equipment |
CN110521681A (en) * | 2019-09-29 | 2019-12-03 | 浙江海洋大学 | A kind of tear-away Cod-ends of Trawl of nested type separation catches and operational method |
CN216753267U (en) * | 2021-11-09 | 2022-06-17 | 中国水产科学研究院渔业机械仪器研究所 | Classified counting device for cultured fish |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115024265A (en) * | 2022-06-24 | 2022-09-09 | 中国海洋大学 | Fish counting device and counting method thereof |
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