Counting equipment for large-size fry of scylla paramamosain and use method of counting equipment

Abstract

The invention discloses a counting device for large-size fries of scylla paramamosain and a using method of the counting device, and relates to the technical field of aquaculture equipment. The counting equipment adopts a modular design and comprises a conveying system, a counting system, a juvenile crab throwing box and a juvenile crab box, a tail baffle of the juvenile crab throwing box can move back and forth according to the number of juvenile crabs; a driving motor of the conveying system is arranged at one end far away from the juvenile crab throwing box to prevent water dripped and splashed from the juvenile crab device from damaging the driving motor, the conveying system is embedded with a double-leaf door of the juvenile crab throwing box, and juvenile crabs in the juvenile crab throwing box are conveyed one by one through a conveying belt, pass through the counting system and enter the juvenile crab box after counting; counting equipment adopts an infrared digital display system and is fixed on a supporting plate on one side, close to a driving motor, of the conveying system, the juvenile crabs on a conveying belt are counted after passing through a scanning recognition area, a height limiting baffle with adjustable height is arranged at a double-leaf door, the juvenile crabs can pass through the counting system one by one, and the counting accuracy is improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of aquaculture equipment, and particularly relates to a counting device for large-size Scylla paramamosain fry and a use method thereof. BACKGROUND

[0002] Scylla paramamosain is an important aquaculture species in the southeast coastal areas of China. In recent years, its cultivation area has been continuously moving northward, and the cultivation area in low-salinity water bodies has also been gradually promoted, which has led to a sharp increase in the demand for large-size Scylla paramamosain fry.

[0003] Currently, there are two main ways to obtain large-size Scylla paramamosain fry. One way is to cultivate small-size large-eyed larvae or 1st instar juvenile fry for 15 days or more to make them grow into fingernail fry (5th instar juvenile) or larger-size fry. The other way is for fishermen to directly catch large-size fry from shallow sea areas or shallow water areas at the junction of rivers and seas, and then for traders to collect and sell the large-size fry to aquaculture farmers. In the process of intermediate cultivation and collection, collection and sale by traders, and sale to aquaculture farmers, the number of juvenile crabs needs to be counted.

[0004] Compared with small-size juvenile crabs, 5th instar juvenile crabs or larger-size Scylla paramamosain fry have many characteristics that make counting difficult. When they gather together, they will kill each other, and they move quickly, so they cannot be counted by weighing or by being spread on a sponge pad and scanned. Currently, counting is still mainly done manually, which is not only time-consuming and labor-intensive, but also prone to errors due to the distraction of the operator. In addition, the claws of large-size Scylla paramamosain fry are sharp and have a large biting force, which often injures the operator during counting, and the claws may automatically break off, which not only poses a safety risk to the operator, but also reduces the quality of the fry.

[0005] Based on the above deficiencies of the prior art, it is of great practical significance to develop a device that can efficiently and accurately count large-size Scylla paramamosain fry while reducing the risk of operation. SUMMARY

[0006] The purpose of the present application is to overcome the problems of low efficiency, large errors, and high operation risk in manually counting large-size Scylla paramamosain fry in the prior art, and to provide a counting device for large-size Scylla paramamosain fry and a use method thereof. The counting device has a simple structure, low cost, and is easy to operate, which can effectively improve the counting efficiency and accuracy and reduce the risk of operation.

[0007] To achieve the above purpose, the present application adopts the following technical solutions:

[0008] The embodiment of the present application provides a kind of counting equipment of large-scale Scylla paramamosain fry, including fry box (1), crab fry box (7), conveying system (9) and counting system (6);The conveying system (9) is located between the fry box (1) and the crab fry box (7), the first support frame (2) is arranged at the bottom of the fry box (1), and the second support frame (5) is connected to the bottom of the conveying system (9);Wherein, the tail baffle (3) that can move along the length direction is arranged at the right side of the fry box (1), the double-leaf door (4) with adjustable opening size is arranged at the left side of the fry box (1), and the height adjustable height limiting baffle (8) is arranged at the double-leaf door (4), the track type device of power driven is used for the conveying system (9), one end is embedded with the double-leaf door (4), and the other end extends to above the crab fry box (7), and the drive motor of the conveying system (9) is arranged at one end away from the fry box (1);The counting system (6) uses infrared digital display system, and is fixed on the support plate (10) on the side of the drive motor of the conveying system (9), for counting and counting the crab fry that passes through scanning identification area.

[0009] In a preferred embodiment of the present application, the first support frame (2) and the second support frame (5) are built by galvanized pipes and detachable connecting pieces, the diameter of the galvanized pipes is 20 mm, and the detachable connecting pieces are 6 mm thick screws, including 50 mm long and 30 mm long two specifications, respectively used for connecting between each part of the galvanized pipes.

[0010] In a preferred embodiment of the present application, the fry box is assembled by acrylic plastic plates, including a bottom plate, a front side plate, a rear side plate, a tail baffle (3) and a double-leaf door (4), the width of the bottom plate is 1 m, and the length is 1.5 m;The length of the front side plate and the rear side plate is 1.5 m, and the width is 0.3 m;The length of the tail baffle (3) is 0.98 m, and the width is 0.3 m;The double-leaf door (4) is composed of two acrylic plates with a length of 0.5 m and a width of 0.3 m.

[0011] In a preferred embodiment of the present application, the height limiting baffle (8) is a rubber sheet, with a width of 1 m and a length of 0.1 m.

[0012] In a preferred embodiment of the present application, the track type device of the conveying system (9) has a width of 0.4 m and a length of 4 m;The drive motor is 12 volts, 5 W, and has the functions of plug-in and power storage, and the rotating speed is adjustable.

[0013] In a preferred embodiment of the present application, the counting system is an infrared scanning counter.

[0014] The embodiment of the present application provides a kind of counting equipment of large-scale Scylla paramamosain fry, including the following steps:

[0015] Step one: device pretreatment and assembly: step 1.1, pretreatment: soak or spray the parts of the hatching box, the conveying system and the crab larvae in direct contact with the potassium permanganate solution, and then rinse thoroughly with clean water after standing for 30 minutes; step 1.2, assembly: a. The components of the support frame are assembled and fixed by detachable connectors to build the first support frame supporting the hatching box; b. Place the bottom plate of the hatching box on the first support frame and fix it, then assemble the front side plate, rear side plate, tail baffle and double-leaf door; c. Assemble the second support frame of the conveying system, and fix the drive motor, track type device and counting system on the second support frame; d. splice the conveying system and the hatching box, and fix it after adjusting the height and conveying speed;

[0016] Step two: crab larvae counting system operation: step 2.1, move the tail baffle of the hatching box to the tail to maximize the space of the hatching box, put in the crab larvae of 5 stages and above specifications, and pick out the sundries; step 2.2, adjust the opening size of the double-leaf door and the height of the height limiting baffle according to the size of the crab larvae; step 2.3, place the crab larvae box, turn on the counting system and drive motor switch, start counting, gradually move the tail baffle according to the number of crab larvae until all the crab larvae are transported to the conveying belt; step 2.4, if the crab larvae box needs to be replaced, pause the drive motor, reset the counting system to zero, and then restart after replacement is completed;

[0017] Step three: counting device shutdown: when all the crab larvae are transported to the crab larvae box, turn off the drive motor and counting system switch in turn;

[0018] Step four: maintenance and precautions: step 4.1, avoid splashing seawater on the drive motor and counting system during use; step 4.2, if the above parts are in contact with seawater, wipe them in time after counting is completed; after use, rinse with fresh water and dry; step 4.3, check the loosening of the screws in the hatching box regularly, and replace the corroded screws in the hatching box.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] (1), the present application adopts modular design, and each component is assembled through detachable connectors, which is convenient for installation, disassembly and transportation, and also facilitates later maintenance and replacement of parts.

[0021] (2), the tail baffle of the hatching box is movable, which can adjust the internal space according to the number of crab larvae; the opening size of the double-leaf door type baffle can be adjusted, and the height limiting baffle with adjustable height can be used to ensure that the crab larvae pass through the counting system one by one, effectively improving the accuracy of counting.

[0022] (3), the conveying system is driven by electricity, and the drive motor has the functions of plug-in and power storage, which is flexible and convenient to use, and is suitable for different working environments; the motor is arranged at the end away from the hatching box, which can prevent seawater from damaging the motor and prolong the service life of the equipment.

[0023] (4), the counting system adopts an infrared digital display system, which can count the crab larvae in real time and accurately, greatly improving the counting efficiency and reducing the counting error compared with manual counting.

[0024] (5), the whole device has simple structure, low cost and convenient operation, which can efficiently shorten the counting period of blue crab larvae and avoid the risk of being injured by crab larvae during manual counting, also reduce the situation of broken limbs of crab larvae chelae, and ensure the quality of seedlings. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 A schematic diagram of a counting device for large-size mud crab seed provided by the embodiment of the application. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the application will be described clearly and completely in combination with the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application. The "up", "down", "front", "back", "left", "right" and the like used in the mounting position or direction of the structure or parts of the embodiments are based on the orientation of the drawings given, which are only for convenience of description and to distinguish the relative positions of the parts or directions, and do not represent the orientation of the device or functional parts when used.

[0028] As Figure 1As shown, the embodiment of the present application provides a kind of counting equipment of large-scale Scylla paramamosain fry, including fry box 1, crab fry box 7, conveying system 9 and counting system 6.Conveying system 9 is located between fry box 1 and crab fry box 7, the bottom of fry box 1 is provided with crossbeam 2, crossbeam 2 is connected with first support frame 2, the bottom of conveying system 9 is connected with second support frame 5;Wherein, the right side of fry box 1 is provided with tail baffle 3 that can move along its length direction, the left side of fry box 1 is provided with double doors 4 of adjustable opening size, and double doors 4 are provided with height-adjustable height limiting baffle 8, conveying system 9 uses power-driven caterpillar device, one end is embedded with double doors 4, the other end extends to the upper of crab fry box 7, the drive motor of conveying system 9 is set at one end away from fry box 1;Counting system 6 uses infrared digital display system, is fixed on the support plate 10 of drive motor side of conveying system 9, for counting statistics to the crab fry that passes through scanning identification area.

[0029] First support frame 2 includes first support leg structure 2-1 and first support beam 2-2 connected with first support leg structure 2-1, and second support frame 5 includes second support leg structure 5-1 and second support beam 5-2 connected with second support leg structure 5-1.Both support leg structure and support beam are built with corrosion-resistant galvanized pipe and detachable connecting piece, and the galvanized pipe is assembled and fixed by detachable connecting piece when used.The diameter of galvanized pipe is 20mm, the detachable connecting piece is 6mm thick screw, and the 6mm thick screw includes two specifications of 50mm long and 30mm long, which are used for connecting between each part of galvanized pipe.According to actual size, the beam and leg structure are intercepted in this embodiment, and screw holes are opened at appropriate positions;6mm thick 50mm long and 6mm thick 30mm long screws are selected for connection between supports and connection between supports and fry box.

[0030] Fry box 1 is assembled by 5mm thick acrylic plastic plate, including bottom plate, front side plate, rear side plate, tail baffle 3 and double doors 4, the width of the bottom plate is 1m, and the length is 1.5m;The length of front side plate and rear side plate is 1.5m, and the width is 0.3m;The length of tail baffle 3 is 0.98m, and the width is 0.3m;Double doors 4 are composed of two acrylic plates with length of 0.5m and width of 0.3m.Limiting baffle 8 is rubber sheet, with width of 1m and length of 0.1m.Tail baffle 3 can move forward and backward according to the number of crab fry in fry box 1.The part close to the conveying belt is designed as double doors 4 with adjustable opening size, and is equipped with height-adjustable limiting baffle 8, so that crab fry can pass through counting system 6 individually, and the counting accuracy is improved.

[0031] The track device of the conveying system 9 has a width of 0.4 m and a length of 4 m; the driving motor is 12 volts, 5 W, and has the functions of plug-in and power storage, and the rotating speed is adjustable. The counting system is an infrared scanning counter.

[0032] The conveying system of the embodiment adopts a track device driven by power from a mobile battery or alternating current. The driving motor is located away from the crab egg box to prevent the water left in the crab egg box from damaging the motor equipment. The other end is embedded with the door structure of the crab egg box, and the crab eggs in the crab egg box are counted by the counting system and then enter the crab egg box one by one through the conveyor belt. The counting system adopts an infrared digital display system and is fixed on the support plate near the motor part of the conveyor belt. After the crab eggs on the conveyor belt pass through the scanning and identification area, they are counted and statistically analyzed.

[0033] The double-door 4 with adjustable opening size: the adjustability of the horizontal opening controls the number of single passage. The double-door is composed of two acrylic plates, and the opening size can be flexibly adjusted according to the size of the crab eggs (such as the width of the body). For large-sized blue crab eggs of 5 stages and above, the body size has a certain width. By adjusting the horizontal opening of the double-door, multiple crab eggs passing through in parallel can be avoided. If the opening is too large, 2-3 crab eggs may enter the conveying system at the same time, which may cause the counting system to fail to distinguish the individuals and result in miscounting. Therefore, the core function of the double-door is to limit the width of the passage from the horizontal dimension to ensure that the crab eggs enter the subsequent link in a single column rather than in parallel.

[0034] The height-adjustable height-limiting baffle 8: the adjustability of the longitudinal height prevents the stacking passage. The height-limiting baffle is a rubber sheet, and its height can be adjusted according to the carapace height or body thickness of the crab eggs. Large-sized blue crab eggs move quickly and have the habit of climbing and stacking on each other (such as one crab egg climbing on the back of another). If only the horizontal restriction of the double-door is used, the situation of "stacking" crab eggs passing through at the same time may occur. By setting a reasonable longitudinal height (such as slightly higher than the carapace height of a single crab egg), the height-limiting baffle can effectively block the stacked crab eggs. If there is stacking, the upper crab eggs will be blocked by the height-limiting baffle, and only the lower single crab egg is allowed to pass through, thereby eliminating the risk of "stacking miscounting" from the vertical dimension.

[0035] The synergistic effect of the double-door 4 and the height-limiting baffle 8: forming a "single individual passage" to ensure the accuracy of counting. The horizontal opening of the double-door and the longitudinal height of the height-limiting baffle cooperate to form a "physical passage" that allows only a single crab egg to pass through: the horizontal dimension ensures that the crab eggs cannot pass in parallel, and the vertical dimension ensures that the crab eggs cannot be stacked, ultimately making the crab eggs enter the conveying system in a "single and independent" state and pass through the infrared scanning and identification area of the counting system one by one. This kind of synergistic restriction completely avoids the problem of "multiple passing through at the same time" caused by the gathering and climbing of crab eggs, and guarantees the accurate identification and counting of individuals by the infrared digital display system from the source, significantly improving the counting efficiency and accuracy.

[0036] At the same time, the "adjustable" design (the opening size and height are adjustable) of the double-door 4 and the height-limiting baffle 8 can adapt to large-specification crab larvae (such as the size difference of 5th and 6th stage juvenile crabs), and enhance the applicability of the device to crab larvae at different growth stages, further expanding the application range of the device.

[0037] The embodiment provides a use method of the large-specification Scylla paramamosain seed counting device.

[0038] Step one: device pretreatment and assembly: step 1.1, pretreatment: immerse or spray the components of the seed release box, the conveying system and the crab larvae in direct contact with the potassium permanganate solution, and then rinse thoroughly with clean water after standing for 30 minutes; the commonly used concentration of potassium permanganate disinfection is 1:2000-1:5000 (volume fraction), and the potassium permanganate is a strong oxidizing agent, which releases nascent oxygen when it comes into contact with organic matter, and has a bactericidal effect. Step 1.2, assembly: a. the components of the support frame are assembled and fixed by using detachable connecting pieces to build the first support frame supporting the seed release box; b. the bottom plate of the seed release box is placed on the first support frame and fixed, and then the front side plate, the rear side plate, the tail baffle and the double-door are assembled; c. the second support frame of the conveying system is assembled, and the driving motor, the crawler device and the counting system are fixed on the second support frame; d. splice the conveying system and the seed release box, and fix after adjusting the height and the conveying speed;

[0039] Step two: crab larvae counting system operation: step 2.1, move the tail baffle of the seed release box to the tail to maximize the space of the seed release box, put in the crab larvae of 5th stage and above, and pick out the sundries; step 2.2, adjust the opening size of the double-door and the height of the height-limiting baffle according to the size of the crab larvae; step 2.3, place the crab larvae box, turn on the counting system and the driving motor switch, start counting, gradually move the tail baffle according to the number of crab larvae, until all the crab larvae are transported to the conveying belt; step 2.4, if the crab larvae box needs to be replaced, pause the driving motor, reset the counting system, and then restart after replacement is completed;

[0040] Step three: counting device shutdown: when all the crab larvae are transported to the crab larvae box, turn off the driving motor and the counting system switch in turn;

[0041] Step four: maintenance and precautions: step 4.1, avoid splashing seawater to the driving motor and the counting system during use; step 4.2, if the above parts are in contact with seawater, wipe them in time after counting is completed; after use, rinse with fresh water and dry; step 4.3, regularly check the loosening of the screws in the seed release box, and replace the corroded screws in the seed release box.

[0042] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and such changes and improvements fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A counting device for large-sized Scylla paramamosain seedlings, characterized in that, The application relates to a crab egg counting device, which comprises a releasing box (1), a crab egg box (7), a conveying system (9) and a counting system (6); the conveying system (9) is arranged between the releasing box (1) and the crab egg box (7), the bottom of the releasing box (1) is provided with a first supporting frame (2), and the bottom of the conveying system (9) is connected with a second supporting frame (5); wherein the right side of the releasing box (1) is provided with a tail baffle (3) which can move along the length direction of the releasing box (1), the left side of the releasing box (1) is provided with a double-door (4) with adjustable opening size, a height-limiting baffle (8) with adjustable height is arranged at the double-door (4), the conveying system (9) adopts a track type device driven by electricity, one end of the track type device is embedded with the double-door (4), and the other end of the track type device extends above the crab egg box (7), and the driving motor of the conveying system (9) is arranged at one end away from the releasing box (1); the counting system (6) adopts an infrared digital display system and is fixed on a supporting plate (10) on the side of the conveying system (9) close to the driving motor, and is used for counting and counting the crab eggs passing through a scanning and identifying area.

2. The counting apparatus for large-sized Scylla paramamosain postlarvae according to claim 1, characterized in that, The first supporting frame (2) and the second supporting frame (5) are both built by galvanized pipes and detachable connecting pieces, the diameter of the galvanized pipes is 20 mm, and the detachable connecting pieces are 6 mm thick screws, including two specifications of 50 mm long and 30 mm long, and are used for connecting the components of the galvanized pipes.

3. The counting apparatus of the large-sized Scylla paramamosain post-larvae according to claim 1, wherein, The releasing box is assembled by acrylic plastic plates, including a bottom plate, a front side plate, a rear side plate, the tail baffle (3) and the double-door (4), the width of the bottom plate is 1 m, and the length is 1.5 m; the length of the front side plate and the rear side plate is 1.5 m, and the width is 0.3 m; the length of the tail baffle (3) is 0.98 m, and the width is 0.3 m; the double-door (4) is composed of two acrylic plates with the length of 0.5 m and the width of 0.3 m.

4. The counting apparatus for large-sized Scylla paramamosain post-larvae according to claim 1, wherein, The height-limiting baffle (8) is a rubber sheet with the width of 1 m and the length of 0.1 m.

5. The counting apparatus for large-sized Scylla paramamosain post-larvae according to claim 1, wherein, The track type device of the conveying system (9) has the width of 0.4 m and the length of 4 m; the driving motor is 12 volts and 5 W, has the functions of plug-in and power storage, and has adjustable rotating speed.

6. The counting apparatus of the large-sized Scylla paramamosain post-larvae according to claim 1, wherein, The counting system is an infrared scanning counter.

7. A method of using the apparatus for counting large-sized Scylla serrata postlarvae according to claim 1, characterized in that, The application further discloses a crab egg counting method, which comprises the following steps: Step one: device pretreatment and assembly: step 1.1, pretreatment: soaking or spraying the components of the releasing box, the conveying system and the crab egg in contact with potassium permanganate solution, and then thoroughly flushing with clean water after standing for 30 minutes; step 1.2, assembly: a. assembling and fixing the components of the supporting frame by the detachable connecting pieces, and building the first supporting frame for supporting the releasing box; b. placing and fixing the bottom plate of the releasing box on the first supporting frame, and then assembling the front side plate, the rear side plate, the tail baffle and the double-door; c. assembling the second supporting frame of the conveying system, and fixing the driving motor, the track type device and the counting system on the second supporting frame; d. splicing the conveying system and the releasing box, and fixing after adjusting the height and the conveying speed. Step two: crab larvae counting system operation: step 2.1, move the tail baffle of the larval release box to the tail to maximize the space of the larval release box, put in the 5th and above size of crab larvae, and pick out the sundries; Step 2.2, adjust the opening size of the double door and the height of the height limiting baffle according to the size of the crab larvae; Step 2.3, place the crab larvae box, turn on the counting system and the driving motor switch, start counting, gradually move the tail baffle according to the number of crab larvae, until all the crab larvae are transported to the conveyor belt; Step 2.4, if it is necessary to replace the crab larvae box, pause the driving motor, reset the counting system, and restart after replacement is completed; Step three: counting equipment shutdown: when all the crab larvae are transported to the crab larvae box, turn off the driving motor and the counting system switch in turn; Step four: maintenance and precautions: step 4.1, avoid splashing seawater on the driving motor and the counting system during use; Step 4.2, if the above parts are in contact with seawater, wipe them in time after counting is completed; after use, wash with fresh water and dry; Step 4.3, check the loosening of the screws in the larval release box regularly, replace the corroded screws in the larval release box.

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