Device and method suitable for large-scale spawning induction of single shellfish

Abstract

The invention provides a device and method suitable for large-scale spawning induction of a single shellfish. The device comprises a rack, a spawning induction table, a water injection mechanism, a turnover mechanism, a temperature control mechanism, an oxygenation mechanism and an electric control box. The spawning induction table comprises a placement plate and a plurality of spawning induction cups; the water injection mechanism comprises a water injection support, a water injection pipe and water supply equipment. The turnover mechanism is mounted on the rack, drives the placement plate to rotate and is used for enabling the spawning induction cups on the placement plate to be arranged in an inclined manner; the temperature control mechanism is mounted on the placement plate and used for controlling the temperature of the spawning induction cup; the oxygenation mechanism is mounted on the placement plate and is used for supplying air to the spawning induction cup for oxygenation; and the electric control box is mounted on the rack and is electrically connected with the water supply equipment, the turnover mechanism, the temperature control mechanism and the oxygenation mechanism. The device is high in automation degree, the labor force is greatly reduced, single shellfish large-scale spawning induction can be achieved, and the device is widely applied to the genetic breeding fields based on family breeding, hybrid seed production, polyploid breeding and the like.

Description

Technical Field

[0001] The present invention relates to the technical field of shellfish culture, and in particular to a device and method suitable for large-scale induction of spawning of individual shellfish. Background Art

[0002] Since the 1980s, under the guidance of the third wave of marine aquaculture, the marine shellfish industry has made great progress in seed breeding, efficient breeding, variety creation, etc. Most economic shellfish seed collection methods have also completed the technical innovation iteration from natural seed collection, semi-artificial seed collection to factory-based fully artificial seed cultivation. The factory-based fully artificial seed cultivation technology integrates parent shellfish cultivation, artificial induction of production, larval cultivation, intermediate seed protection and bait cultivation technology, etc., to ensure the rapid development of shellfish aquaculture seed demand. Among them, artificial induction of production technology mainly adopts methods such as shade drying, running water stimulation, and temperature increase / reduction. This technology basically meets the supply demand of shellfish factory seed, but it also has problems such as poor stability, low efficiency, and uncontrollable artificiality, and it is basically impossible to achieve the induction of production of a single individual.

[0003] The induction of single spawning in shellfish is the premise and supporting technology for the creation of excellent germplasm materials such as family selection, hybrid seed production, polyploid breeding, molecular marker-assisted breeding, and whole genome selection breeding. In recent years, with the development of molecular biology technology, a series of highly efficient single oxytocin based on neurotransmitters or neuropeptides have been developed, such as scallop 5-hydroxytryptamine, long oyster neuropeptides APGWamide and PIESVD, Sydney rock oyster spawning hormone, gonadotropin-releasing hormone, APGWamide, buccalin, CCAP and LFRFamid, etc., comb oyster neuropeptides, etc., combined with physical induction methods such as running water, shade drying, and temperature rise / lowering, the shellfish single spawning technology has been basically constructed. The process of single spawning in shellfish includes the steps of preparing spawning containers, filling seawater, injecting oxytocin, collecting seed shells, and cleaning spawning containers. Due to the cumbersome process and strong labor dependence, it is difficult to achieve large-scale batch operation. In order to improve breeding efficiency and achieve precision breeding, there is an urgent need for a technical device or method suitable for large-scale induction of single spawning in shellfish. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the current process of inducing spawning of individual shellfish is cumbersome, highly labor-dependent, and has low efficiency, and cannot be operated on a large scale. In order to overcome the defects of the prior art and meet the needs of precision breeding, the present invention provides a device suitable for large-scale induction of spawning of individual shellfish.

[0005] The present invention provides a device suitable for inducing single-scale molluscs to produce, comprising a frame, an inducing molluscs table, a water injection mechanism, a turning mechanism, a temperature control mechanism, an oxygenation mechanism, and an electric control box; the inducing molluscs table comprises a placement plate and a plurality of inducing molluscs cups, the placement plate is rotatably connected to the frame, the placement plate is provided with a plurality of placement slots for the inducing molluscs to be inserted one by one, and the inducing molluscs cups are used to accommodate individual molluscs; the water injection mechanism comprises a water injection bracket, a water injection pipe, and a water supply device, the water injection bracket is movably connected to the frame, the water injection pipe is installed on the water injection bracket, and the water injection pipe is located at the At the top, the water outlet end of the water injection pipe is arranged toward the labor-inducing cup, and the water inlet end of the water injection pipe is connected with the water supply equipment, and the water supply equipment injects water into the labor-inducing cup through the water injection pipe; the flipping mechanism is installed on the frame, and the flipping mechanism drives the placement plate to rotate, so as to tilt the labor-inducing cup on the placement plate; the temperature control mechanism is installed on the placement plate and is used to control the temperature of the labor-inducing cup; the oxygenation mechanism is installed on the placement plate and is used to supply air and oxygen into the labor-inducing cup; the electric control box is installed on the frame and is electrically connected to the water supply equipment, the flipping mechanism, the temperature control mechanism, and the oxygenation mechanism.

[0006] Compared with the prior art, the device for inducing spawning of single shellfish on a large scale in the present application has the following advantages: it can achieve large-scale induction of spawning of shellfish, can induce spawning of multiple shellfish individuals at the same time, realize automated management of steps such as water injection, temperature control, and oxygenation during the induction of spawning, can equally adjust variables such as stimulation and environment required for induced spawning of shellfish, thereby achieving precision in breeding of various shellfish, and inducing spawning is convenient and efficient. After inducing spawning of shellfish, the device can also automatically clean the induced spawning cup to achieve continuity of induced spawning of shellfish, has a high degree of automation, greatly reduces labor dependence, and has good single-scale induced spawning operation effect.

[0007] In a possible implementation, the water injection pipe is provided with a plurality of water injection heads, the plurality of water injection heads are arranged at intervals, the plurality of water injection heads correspond one to one with the labor-inducing cup in the front-to-back direction, and the water injection heads are provided with solenoid valves.

[0008] Compared with the prior art, the above technical solution can realize the simultaneous filling of multiple oxytocin cups with water by arranging multiple water injection heads and oxytocin cups in a one-to-one correspondence in the front-to-back direction, thereby improving efficiency and improving the accuracy of water volume control for each water injection under the control of the solenoid valve.

[0009] In a possible implementation, the frame is provided with guide rails extending left and right, the water injection bracket is provided with a slider, the slider is slidably connected to the guide rail, and the frame is installed with a driving component for driving the slider to slide on the guide rail.

[0010] Compared with the prior art, the above technical solution can realize the movement of the water injection bracket along the left and right directions through the slider provided on the water injection bracket and the guide rails extending along the left and right directions on the frame, driven by the driving component, thereby driving multiple water injection heads to accurately inject water into the labor induction cups set at different positions on the labor induction table, which is convenient and quick.

[0011] In a possible embodiment, the driving component includes a first motor, a gear and a rack. The base of the first motor is fixedly mounted on the water injection bracket and electrically connected to the electrical control box. The gear is fixedly connected to the output shaft of the first motor. The rack is fixedly mounted on the frame along the left and right directions, and the rack is meshed with the gear transmission.

[0012] Compared with the prior art, the above technical solution can drive the first motor to drive the gear through the driving component, thereby driving the water filling bracket to roll in the rack fixedly installed on the frame along the left and right directions. This can achieve smoother water filling. Due to the transmission characteristics of the gear rack, the service life is also extended and disassembly and maintenance are convenient.

[0013] In a possible implementation manner, stoppers are provided at both left and right ends of the guide rail.

[0014] Compared with the prior art, the above technical solution can prevent the water injection bracket from sliding out of the guide rail through the blocks provided at both ends of the guide rail.

[0015] In a possible embodiment, pins are provided on the left and right sides of the placement plate, a bearing seat is provided on the frame for the pins to be rotatably placed, the flipping mechanism includes a second motor, a driving sprocket, a driven sprocket and a chain, the base of the second motor is fixedly mounted on the frame and electrically connected to the electric control box, the driving sprocket is fixedly connected to the output shaft of the second motor, the driven sprocket is fixedly connected to the pin, and the chain transmission is connected between the driving sprocket and the driven sprocket.

[0016] Compared with the prior art, the above technical solution can, under the power output of the second motor, realize the driving sprocket to drive the driven sprocket through the chain, thereby realizing the rotation of the pin shaft, thereby realizing the angle adjustment of the placement plate, and carrying out processes such as cleaning and dumping of the labor-inducing cup.

[0017] In a possible implementation, a cavity is provided inside the placement plate, and the cavity contains an aqueous solution. The temperature control mechanism includes a heater and a temperature sensor installed in the cavity, and the heater and the temperature sensor are both electrically connected to the electric control box.

[0018] Compared with the prior art, the above technical solution can realize real-time monitoring of the aqueous solution in the containing cavity by setting a heater and a temperature sensor in the containing cavity, thereby ensuring that the aqueous solution is maintained at the required temperature, thereby controlling the temperature of the induced labor cup to meet the temperature required for inducing spawning of shellfish.

[0019] In a possible implementation, the water supply equipment includes a water supply barrel and a water pump. The water pump is installed in the water supply barrel. The water pump is connected to the water injection pipe through a water pipe, and the water pump is electrically connected to an electric control box.

[0020] Compared with the prior art, the above technical solution can realize water pumping by the water pump through the electric control box, thereby realizing automatic water filling of the device, which is easy to operate and saves time and effort.

[0021] In a possible implementation, the oxytocin cup has a structure that is larger at the top and smaller at the bottom.

[0022] Compared with the prior art, the above technical solution can, by configuring the oxytocin cup to have a larger upper part and a smaller lower part, facilitate the pouring of water in the oxytocin cup after the angle of the placement plate is adjusted, and also make it easier to clean the oxytocin cup.

[0023] In a possible implementation, the oxygenation mechanism includes an oxygenation pump and a plurality of microporous air stones, the oxygenation pump is connected to the plurality of microporous air stones, the plurality of microporous air stones are respectively arranged in the labor induction cup, and the oxygenation pump is electrically connected to an electrical control box.

[0024] Compared with the prior art, the above technical solution can achieve inflation and oxygenation in the induced labor cup through the connection of an oxygen pump and multiple microporous air stones, thereby stimulating the induced labor of shellfish and preventing the influence of harmful gases on the induced labor of shellfish.

[0025] The present invention also provides a method for inducing spawning of a single shellfish using the above-mentioned device for inducing spawning on a large scale, comprising the following steps:

[0026] The first step is to prepare seawater in the water supply bucket of the water injection mechanism according to the water quality requirements of the shellfish to be induced to spawn, and adjust factors such as salinity and pH;

[0027] The second step is to determine the method of inducing spawning according to the type of shellfish to be induced to spawn, and pre-treat individual shellfish, such as chemical injection, physical drying, temperature control, running water stimulation, etc.

[0028] The third step is to place the single shellfish to be induced to spawn in the induced spawning cup of the induced spawning table and start the water injection mechanism. Under the control of the electric control box, the driving component on the frame drives the water injection bracket to slide from right to left in sequence. At the same time, the water pump and solenoid valve of the water injection mechanism work to automatically add water to the induced spawning cup. In this process, the electric control box automatically controls the operation of the driving component, water pump and solenoid valve to achieve automatic water addition.

[0029] The fourth step is to start the temperature control mechanism and the oxygen enrichment mechanism, set the working temperature of the heater of the temperature control mechanism to adjust the induction temperature in the induction cup, and start the oxygen enrichment mechanism to induce labor as needed;

[0030] Step 5: After the induction of fertilization is completed, a single shellfish that has released sperm and eggs is selected, and the induction cup is removed from the placement groove of the placement plate for fertilization operation;

[0031] The sixth step is to turn off the temperature control mechanism and the oxygen enrichment mechanism, start the flipping mechanism, operate the second motor of the flipping mechanism and rotate the placement plate to the required angle to clean the labor induction cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The structure of the present invention is schematically shown Figure 1 ;

[0033] Figure 2 The structure of the present invention is schematically shown Figure 2 ;

[0034] Figure 3 The structure of the present invention is schematically shown Figure 3 ;

[0035] Figure 4 The structure of the present invention is schematically shown Figure 4 ;

[0036] Figure 5 It is a cross-sectional schematic diagram of the placement plate of the present invention.

[0037] Description of reference numerals:

[0038] 1. Frame; 11. Guide rail; 111. Block; 12. Driving component; 121. First motor; 122. Gear; 123. Rack; 13. Bearing seat; 2. Labor induction table; 21. Placement plate; 211. Pin shaft; 212. Receptacle; 22. Labor induction cup; 23. Placement slot; 3. Water injection mechanism; 31. Water injection bracket; 311. Slider; 32. Water injection pipe; 321. Water injection head; 33. Water supply equipment; 331. Water supply barrel; 4. Turning mechanism; 41. Second motor; 42. Driving sprocket; 43. Driven sprocket; 44. Chain; 5. Electric control box. DETAILED DESCRIPTION

[0039] Those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0040] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0041] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] See also Figures 1 to 5 The embodiment of the present application discloses a device suitable for large-scale induction of single shellfish, comprising a frame 1, an induction platform 2, a water injection mechanism 3, a turning mechanism 4, a temperature control mechanism, an oxygenation mechanism, and an electric control box 5; the induction platform 2 comprises a placement plate 21 and a plurality of induction cups 22, the placement plate 21 is rotatably connected to the frame 1, the placement plate 21 is provided with a plurality of placement grooves 23 for the induction cups 22 to be inserted one by one, and the induction cups 22 are used to accommodate individual shellfish; the water injection mechanism 3 comprises a water injection bracket 31, a water injection pipe 32 and a water supply device 33, the water injection bracket 31 is movably connected to the frame 1, the water injection pipe 32 is installed on the water injection bracket 31, and the water injection pipe 32 is located at the induction Above the platform 2, the water outlet end of the water injection pipe 32 is arranged toward the labor-inducing cup 22, and the water inlet end of the water injection pipe 32 is connected with the water supply equipment 33, and the water supply equipment 33 injects water into the labor-inducing cup 22 through the water injection pipe 32; the flipping mechanism 4 is installed on the frame 1, and the flipping mechanism 4 drives the placement plate 21 to rotate, so as to tilt the labor-inducing cup 22 on the placement plate 21; the temperature control mechanism is installed on the placement plate 21 and is used to control the temperature of the labor-inducing cup 22; the oxygenation mechanism is installed on the placement plate 21 and is used to supply air and oxygen to the labor-inducing cup 22; the electric control box 5 is installed on the frame 1 and is electrically connected to the water supply equipment 33, the flipping mechanism 4, the temperature control mechanism, and the oxygenation mechanism.

[0044] Specifically, in order to improve the efficiency of injecting water into the labor-inducing cup 22, nine water injection heads 321 are provided on the water injection pipe 32. The nine water injection heads 321 are arranged at intervals, and the nine water injection heads 321 correspond to the labor-inducing cup 22 in the front and back directions. The labor-inducing cup 22 is provided with nine water injection heads 321 in the front and back directions. Like the water injection heads 321, the number can be increased or decreased as needed. The water injection heads 321 are provided with solenoid valves, thereby improving the water injection efficiency of the labor-inducing cup 22, and at the same time, it can also improve the accuracy of controlling the amount of water injected each time.

[0045] Specifically, in order to ensure that the labor-inducing cups 22 at different positions on the labor-inducing table 2 can be evenly filled with water, the frame 1 is provided with guide rails 11 extending left and right, and there are two guide rails 11, which are symmetrically arranged at the front and rear of the frame 1. The water-injection bracket 31 is provided with a slider 311, and the slider 311 is also two pieces, which are slidably connected to the guide rails 11 arranged at the front and rear of the frame 1 respectively. A driving component 12 for driving the slider 311 to slide on the guide rail 11 is installed on the frame 1.

[0046] Specifically, in order to realize automatic water injection and make the water injection more stable, the driving component 12 includes a first motor 121, a gear 122 and a rack 123. The base of the first motor 121 is fixedly mounted on the water injection bracket 31 and is electrically connected to the electric control box 5. The gear 122 is fixedly connected to the output shaft of the first motor 121. The rack 123 is fixedly mounted on the frame 1 along the left-right direction, and the rack 123 is in transmission engagement with the gear 122. The driving component 12 can also be a linear screw structure.

[0047] As can be known from the above, in order to realize the large-scale induction of spawning of individual shellfish, the working principle of the device suitable for large-scale induction of spawning of individual shellfish is to first place the shellfish to be induced to spawn in the induction cup 22, so that multiple shellfish can be induced to spawn at the same time. After placement, the electrical control box 5 is opened, and the seawater pre-configured in the water supply equipment 33 flows out from the nine water injection heads 321 through the water injection pipe 32, so that the seawater is injected into the induction cup 22 corresponding to the front and back of the nine water injection heads 321. Then, the first motor 121 is controlled to rotate through the electrical control box 5, driving the gear 122 fixed on the output shaft of the first motor 121 to mesh with the rack 123 fixedly installed on the frame 1 along the left and right directions. The first motor 121 is installed on the water injection bracket 31 through the base, and the water injection bracket 31 is connected to the water injection bracket 31 through the front The sliders 311 provided at the back can slide in the guide rails 11 extending left and right on the frame 1, so that the first motor 121 drives the water injection bracket 31 to move left and right in the track, so that multiple labor-inducing cups 22 are injected with seawater, the water injection efficiency is high, and the water injection amount control accuracy is high. After the seawater is injected, the working temperature of the temperature control mechanism is set to adjust the labor-inducing temperature of the labor-inducing cup 22, and the oxygenation mechanism is started as needed to induce labor. After the labor-inducing is completed, the shellfish individuals that discharge sperm and eggs are picked for fertilization operation, and the flipping mechanism 4 is started to drive the placement plate 21 to rotate, so that the labor-inducing cups 22 on the placement plate 21 are tilted and set to facilitate the cleaning of the labor-inducing cups 22, thereby realizing large-scale labor-inducing of individual shellfish, with a high degree of automation, greatly reducing the dependence on labor, and having a good effect of large-scale batch operation.

[0048] In this embodiment, stoppers 111 are provided at both ends of the left and right sides of the guide rail 11 , thereby preventing the water injection bracket 31 from sliding out of the guide rail 11 .

[0049] In this embodiment, the left and right sides of the placement plate 21 are provided with pins 211, the frame 1 is provided with a bearing seat 13 for the pins 211 to be rotatably placed, the flip mechanism 4 includes a second motor 41, a driving sprocket 42, a driven sprocket 43 and a chain 44, the base of the second motor 41 is fixedly mounted on the frame 1 and electrically connected to the electric control box 5, the driving sprocket 42 is fixedly connected to the output shaft of the second motor 41, the driven sprocket 43 is fixedly connected to the pins 211, and the chain 44 is transmission-connected between the driving sprocket 42 and the driven sprocket 43, thereby realizing the angle adjustment of the placement plate 21 and realizing the processes of cleaning and dumping the oxytocin cup 22. The flip mechanism 4 can also be a pulley structure.

[0050] In this embodiment, a cavity 212 is provided inside the placement plate 21, and an aqueous solution is contained in the cavity 212. The temperature control mechanism includes a heater and a temperature sensor installed in the cavity 212, and the heater and the temperature sensor are electrically connected to the electrical control box 5, thereby achieving real-time monitoring of the aqueous solution in the cavity to ensure that the aqueous solution is maintained at the required temperature, thereby controlling the temperature of the induced labor cup 22 to meet the needs of shellfish during induced labor.

[0051] In this embodiment, the water supply equipment 33 includes a water supply barrel 331 and a water pump. The water pump is installed in the water supply barrel 331. The water pump is connected to the water injection pipe 32 through a water pipe. The water pump is electrically connected to the electrical control box 5, thereby realizing automatic water injection of the device, which is easy to operate and saves time and effort.

[0052] In this embodiment, the labor-inducing cup 22 is a structure that is larger at the top and smaller at the bottom, so that after the angle of the placement plate 21 is adjusted, the water in the labor-inducing cup 22 is easier to pour out and the labor-inducing cup 22 is easier to clean.

[0053] In this embodiment, the oxygenation mechanism includes an oxygenation pump and a plurality of microporous air stones, the oxygenation pump is connected to the plurality of microporous air stones, the plurality of microporous air stones are respectively arranged in the labor induction cup 22, and the oxygenation pump is electrically connected to the electrical control box 5, thereby achieving inflation and oxygenation in the labor induction cup 22, thereby stimulating the labor induction of shellfish and preventing the influence of harmful gases on the labor induction of shellfish.

[0054] In this embodiment, the solenoid valve, heater, temperature sensor, water pump, oxygen pump, and microporous air stone are all existing technologies.

[0055] This embodiment provides a method for inducing spawning of a single shellfish using the above-mentioned device for inducing spawning on a large scale, comprising the following steps:

[0056] The first step is to prepare seawater in the water supply barrel 331 of the water injection mechanism 3 according to the water quality requirements of the shellfish to be induced to spawn, and adjust factors such as salinity and pH;

[0057] The second step is to determine the method of inducing spawning according to the type of shellfish to be induced to spawn, and pre-treat individual shellfish, such as chemical injection, physical drying, temperature control, running water stimulation, etc.

[0058] The third step is to place the single shellfish to be induced to spawn in the induced spawning cup 22 of the induced spawning table 2, and start the water injection mechanism 3. Under the control of the electric control box 5, the driving component 12 on the frame 1 drives the water injection bracket 31 to slide from right to left in sequence. At the same time, the water pump and the solenoid valve of the water injection mechanism 3 work to automatically add water to the induced spawning cup 22. In this process, the electric control box 5 automatically controls the operation of the driving component 12, the water pump and the solenoid valve to realize automatic water addition.

[0059] Step 4: Start the temperature control mechanism and the oxygen enrichment mechanism, set the operating temperature of the heater of the temperature control mechanism to adjust the induction temperature in the induction cup 22, and start the oxygen enrichment mechanism to induce labor as needed;

[0060] Step 5: After the induction of fertilization is completed, a single shellfish that has released sperm and eggs is selected, and the induction cup 22 is taken out from the placement groove 23 of the placement plate 21 to perform a fertilization operation;

[0061] Step 6: turn off the temperature control mechanism and the oxygen enrichment mechanism, start the flip mechanism 4, the second motor 41 of the flip mechanism 4 operates and rotates the placement plate 21 to the required angle, and cleans the labor-inducing cup 22.

[0062] This embodiment provides a method for inducing spawning of a single shellfish using the above-mentioned device for inducing spawning on a large scale, taking Sinonovacula constricta as an example, comprising the following steps:

[0063] 1. Prepare sterilized clean seawater in the water supply barrel 331 of the water injection mechanism 3, with the salinity adjusted to 1.007-1.009 and the pH to 8.0-8.4;

[0064] 2. Disinfect Sinonovacula constricta with 10mg / L potassium permanganate solution, dry in the shade for 2-4h, rinse and inject 0.02-0.04mM 5-hydroxytryptamine 0.1-0.2mL into the axe foot of a single Sinonovacula constricta;

[0065] 3. Place a single Sinonovacula constricta to be induced to labor in the labor induction cup 22 of the labor induction table 2, and start the water injection mechanism 3. Under the control of the electric control box 5, the driving component 12 on the frame 1 drives the water injection bracket 31 to slide from right to left in sequence. At the same time, the water pump and the solenoid valve of the water injection mechanism 3 work to automatically add water to the labor induction cup 22. In this process, the electric control box 5 automatically controls the operation of the driving component 12, the water pump and the solenoid valve to realize automatic water addition.

[0066] 4. Start the temperature control mechanism and the oxygenation mechanism, and set the working temperature of the heater of the temperature control mechanism to 24° C., thereby adjusting the induction temperature in the induction cup 22, and start the oxygenation mechanism to stimulate the induction of labor of a single novacula constricta by running water;

[0067] 5. After the induction of labor is completed, a single razor clam that has released sperm and eggs is picked up, and the induction cup 22 is taken out from the placement groove 23 of the placement plate 21 to perform a fertilization operation;

[0068] 6. Turn off the temperature control mechanism and the oxygen enrichment mechanism, start the flip mechanism 4, the second motor 41 of the flip mechanism 4 operates and rotates the placement plate 21 to a desired angle, and cleans the labor-inducing cup 22;

[0069] 7. Compared with the manual single-induction method, the single-scale induction device for shellfish does not require manual arrangement of induction cups and filling of seawater, which greatly shortens labor time and saves labor costs. The main features of the device are automatic water injection, individual batch induction, and batch cleaning of induction cups, thereby realizing single-scale induction of razor clams. At the same time, the induction device has scale advantages in controlling the induction temperature and increasing oxygen, which greatly improves the individual spawning / sperm of shellfish, thereby improving the efficiency of induction.

[0070] Table 1 is a comparison between the single-scale induction device of the present invention and the single-artificial induction method in terms of the implementation time of key steps, the induction effect, etc. The results show that the single-scale induction device has the advantages of shortening labor time, saving labor costs, and high induction efficiency. The total time consumption is shortened by more than 10 times compared with the single-artificial induction method, and the individual egg-laying / sperm rate of Sinonovacula constricta is increased by 25.5%.

[0071] Table 1. Comparison between the single-scale induced spawning device for Sinonovacula constricta and the single-artificial induced spawning method (taking the induced spawning of 500 Sinonovacula constricta as an example)

[0072]

[0073]

[0074] In the description of the embodiments of the present application, it should be noted that in the description of the present application, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description, and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.

[0075] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "in the present embodiment", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0076] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A device suitable for large-scale induction of spawning of single shellfish, characterized in that: It comprises a frame (1), an induction table (2), a water injection mechanism (3), a turning mechanism (4), a temperature control mechanism, an oxygenation mechanism, and an electric control box (5); The induction platform (2) comprises a placement plate (21) and a plurality of induction cups (22); the placement plate (21) is rotatably connected to the frame (1); the placement plate (21) is provided with a plurality of placement grooves (23) for the induction cups (22) to be inserted one by one; the induction cups (22) are used to accommodate shellfish individuals; the induction cups (22) are of a structure with a larger upper portion and a smaller lower portion; The water injection mechanism (3) comprises a water injection bracket (31), a water injection pipe (32) and a water supply device (33); the water injection bracket (31) is movably connected to the frame (1); the water injection pipe (32) is mounted on the water injection bracket (31); the water injection pipe (32) is located above the labor-inducing platform (2); the water outlet end of the water injection pipe (32) is arranged toward the labor-inducing cup (22); the water inlet end of the water injection pipe (32) is connected to the water supply device (33); the water supply device (33) injects water into the labor-inducing cup (22) through the water injection pipe (32); the turning mechanism (4) is mounted on the frame (1); the turning mechanism (4) drives the placement plate (21) to rotate, so as to tilt the labor-inducing cup (22) on the placement plate (21); The temperature control mechanism is mounted on the mounting plate (21) and is used to control the temperature of the labor-inducing cup (22); the oxygen-increasing mechanism is mounted on the mounting plate (21) and is used to supply air and oxygen into the labor-inducing cup (22); the electric control box (5) is mounted on the frame (1) and is electrically connected to the water supply device (33), the turning mechanism (4), the temperature control mechanism, and the oxygen-increasing mechanism.

2. The device for inducing spawning of single shellfish on a large scale according to claim 1, characterized in that: The water injection pipe (32) is provided with a plurality of water injection heads (321), the plurality of water injection heads (321) are arranged at intervals, the plurality of water injection heads (321) correspond one-to-one with the labor-inducing cup (22) in the front-to-back direction, and the water injection heads (321) are provided with solenoid valves.

3. The device for inducing spawning of single shellfish on a large scale according to claim 2, characterized in that: The frame (1) is provided with a guide rail (11) extending leftward and rightward, the water injection bracket (31) is provided with a slider (311), the slider (311) is slidably connected to the guide rail (11), and the frame (1) is provided with a driving component (12) for driving the slider (311) to slide on the guide rail (11).

4. The device for inducing spawning of single shellfish on a large scale according to claim 3, characterized in that: The driving component (12) comprises a first motor (121), a gear (122) and a rack (123); the base of the first motor (121) is fixedly mounted on the water injection bracket (31) and is electrically connected to the electric control box (5); the gear (122) is fixedly connected to the output shaft of the first motor (121); the rack (123) is fixedly mounted on the frame (1) in the left-right direction; and the rack (123) is in driving engagement with the gear (122).

5. The device for inducing spawning of single shellfish on a large scale according to claim 3, characterized in that: Stoppers (111) are provided at both left and right ends of the guide rail (11).

6. The device for inducing spawning of single shellfish on a large scale according to claim 1, characterized in that: The left and right sides of the placement plate (21) are provided with pin shafts (211); the frame (1) is provided with a bearing seat (13) for the pin shaft (211) to be rotatably placed; the flip mechanism (4) comprises a second motor (41), a driving sprocket (42), a driven sprocket (43) and a chain (44); the base of the second motor (41) is fixedly mounted on the frame (1) and electrically connected to the electric control box (5); the driving sprocket (42) is fixedly connected to the output shaft of the second motor (41); the driven sprocket (43) is fixedly connected to the pin shaft (211); and the chain (44) is drivingly connected between the driving sprocket (42) and the driven sprocket (43).

7. The device for inducing spawning of single shellfish on a large scale according to claim 1, characterized in that: The placement plate (21) is provided with a cavity (212) inside, and the cavity (212) contains an aqueous solution. The temperature control mechanism comprises a heater and a temperature sensor installed in the cavity (212), and the heater and the temperature sensor are both electrically connected to the electric control box (5).

8. The device for inducing spawning of single shellfish on a large scale according to claim 1, characterized in that: The water supply equipment (33) comprises a water supply barrel (331) and a water pump. The water pump is installed in the water supply barrel (331). The water pump is connected to the water injection pipe (32) through a water pipe. The water pump is electrically connected to the electric control box (5).

9. The device for inducing spawning of single shellfish on a large scale according to claim 1, characterized in that: The oxygenation mechanism comprises an oxygenation pump and a plurality of microporous air stones. The oxygenation pump is connected to the plurality of microporous air stones. The plurality of microporous air stones are respectively arranged in the labor-inducing cup (22). The oxygenation pump is electrically connected to the electric control box (5).

10. A method for inducing spawning of a single shellfish in large-scale spawning according to claim 1, characterized in that: The steps include: The first step is to prepare seawater in the water supply bucket (331) of the water injection mechanism (3) according to the water quality requirements of the shellfish to be induced to spawn, and adjust factors such as salinity, pH, and ammonium ion concentration; The second step is to determine the method of inducing spawning according to the type of shellfish to be induced to spawn, and pre-treat the shellfish, such as chemical injection, physical drying, temperature control, running water stimulation, etc. In the third step, the shellfish to be induced to spawn are placed one by one in the induced spawning cup (22) of the induced spawning table (2), and the water injection mechanism (3) is started. Under the control of the electric control box (5), the driving component (12) on the frame (1) drives the water injection bracket (31) to slide from right to left in sequence. At the same time, the water pump and the electromagnetic valve of the water injection mechanism (3) work to automatically add water to the induced spawning cup (22). In this process, the electric control box (5) automatically controls the operation of the driving component (12), the water pump and the electromagnetic valve to realize automatic water addition. The fourth step is to start the temperature control mechanism and the oxygen enrichment mechanism, set the operating temperature of the heater of the temperature control mechanism to adjust the induction temperature in the induction cup (22), and start the oxygen enrichment mechanism to induce labor as needed; Step 5: After the induction of fertilization is completed, the shellfish individuals that have released sperm and eggs are selected, and the induction cup (22) is taken out from the placement groove (23) of the placement plate (21) to perform fertilization operation; The sixth step is to turn off the temperature control mechanism and the oxygenation mechanism, start the flipping mechanism (4), operate the second motor (41) of the flipping mechanism (4) and rotate the placement plate (21) to a desired angle, and clean the labor-inducing cup (22).

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