Laminated hybrid rice cultivation device and cultivation method thereof

Abstract

The invention relates to the technical field of hybrid rice breeding, in particular to a stacked hybrid rice cultivation device and a cultivation method thereof.The stacked hybrid rice cultivation device comprises a support and a plurality of lifting plates fixed to the support and vertically distributed at equal intervals, and cultivation boxes are fixed to the lifting plates; the conduction spraying mechanism is arranged on the lifting plate; the lifting translation mechanism is arranged on the support, and the lifting translation mechanism is connected with supporting plates which are symmetrically arranged; the ventilation mechanism is arranged on the supporting plate, the ventilation mechanism comprises two sets of air guide plates which are symmetrically arranged, a flow guide mechanism is further arranged on the supporting plate, and through cooperation of the ventilation mechanism and the flow guide mechanism, the air guide plates can be controlled to execute the reciprocating deflection action so as to converge and diffuse airflow; therefore, the air pressure generated when the two air flows impact each other is continuously changed, the distance between the rods is increased, the diffusion range of the air flows is increased, and the air flows can carry the atomized leaf fertilizer to be smoothly adhered to the lower-layer leaves.

Description

Technical Field

[0001] The present invention relates to the technical field of hybrid rice breeding, and specifically to a stacked hybrid rice cultivation device and its cultivation method. Background Art

[0002] The seedling raising of hybrid rice is a key link to ensure high yield, and details such as seed treatment, seedbed management, water and fertilizer regulation need to be paid attention to.

[0003] Stacked cultivation of hybrid rice is an innovative model that combines modern agricultural engineering technology and biotechnology. Its advantages are reflected in multiple dimensions such as space efficiency, environmental control, and production benefits; during the planting process, attention needs to be paid to light, environment, water and fertilizer management, ventilation, and assisted pollination to ensure the cultivation effect of rice.

[0004] In terms of water and fertilizer management, uneven fertilization is one of the important reasons affecting the growth of seedlings. When applying foliar fertilizer, through the absorption of the leaf surface, nutrients can be quickly supplemented, and the growth rate of seedlings can be accelerated. However, during the fertilization process, if the foliar fertilizer is directly sprayed onto the surface of the seedlings, the upper leaves will inevitably block the lower leaves, resulting in the upper leaves being prone to salt damage (such as leaf margin scorching) due to prior contact with the fertilizer, and the lower layer having a growth lag due to lack of fertilizer;

[0005] In response to this, fertilization treatment can be carried out through a spray head at an inclined angle. Fertilization in the inclined direction can make some foliar fertilizers directly bypass the upper leaf margins, thereby increasing the amount received by the lower leaves. However, during actual operation, due to the uneven distribution and growth of seedlings, inclined spraying cannot effectively control the foliar fertilizer to fully penetrate the upper leaves, and even if it passes through the upper leaf surface, subsequent penetration can only rely on the self-flow of the foliar fertilizer, still unable to effectively penetrate the interlayer spacing, resulting in a large difference in the amount of fertilizer applied to the lower leaf surface compared to the upper leaf surface, and further leading to uneven growth of seedlings. Summary of the Invention

[0006] The purpose of the present invention is to provide a stacked hybrid rice cultivation device and its cultivation method to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A stacked hybrid rice cultivation device, comprising:

[0009] A bracket, and a plurality of lifting plates fixedly arranged on the bracket at equal vertical intervals, with cultivation boxes fixed on the lifting plates;

[0010] It further comprises:

[0011] A conduction spraying mechanism arranged on the lifting plate for performing a spraying action on the rice;

[0012] A lifting and translation mechanism is provided on the bracket, and symmetrically arranged support plates are connected to the lifting and translation mechanism;

[0013] A ventilation mechanism is provided on the support plate. The ventilation mechanism includes two groups of symmetrically arranged air guide plates. A flow guiding mechanism is also provided on the support plate. When the ventilation mechanism drives the air guide plates to move in the horizontal direction, the flow guiding mechanism can adjust the yaw angle of the air guide plates to guide the airflows to impact each other.

[0014] As a further solution of the present invention: The ventilation mechanism includes a chute opened on the support plate. A sliding plate rotatably connected to the air guide plate is slidably installed in the chute, and a fan is fixed on the sliding plate.

[0015] As a further solution of the present invention: The ventilation mechanism further includes a second lead screw rotatably installed on the support plate. A second threaded sleeve is threadedly connected to the second lead screw, and a connecting plate for driving the sliding plate to slide is fixed on the second threaded sleeve.

[0016] As a further solution of the present invention: The flow guiding mechanism includes a support column fixed on the connecting plate. A movable sleeve axially slides on the support column. Symmetrically arranged hinge rods are hinged on both sides of the movable sleeve, and a push rod rotatably connected to the air guide plate is rotatably installed at the end of the hinge rod.

[0017] As a further solution of the present invention: The flow guiding mechanism further includes a corrugated groove formed on the support plate. A limiting column slidably fitted with the corrugated groove is fixed on the movable sleeve.

[0018] As a further solution of the present invention: The lifting mechanism includes a fixing plate fixed on the bracket. A first lead screw is rotatably installed on the fixing plate. A first threaded sleeve fixedly connected to the support plate is threadedly connected to the first lead screw.

[0019] As a further solution of the present invention: The lifting mechanism further includes a guide post fixed on the fixing plate. A guide sleeve fixedly connected to the support plate axially slides on the guide post.

[0020] As a further solution of the present invention: The conduction and spraying mechanism includes a support ring fixed at the bottom of the lifting plate. A conveying pipe is rotatably installed in the support ring, and a rotating rod rotatably connected to the lifting plate is fixed at the side end of the conveying pipe.

[0021] As a further solution of the present invention: The conducting spraying mechanism further includes a plurality of nozzles connected to the circumferential outer wall of the conveying pipe and evenly distributed. A cylinder is fixed to the side end of the conveying pipe. The telescopic end of the cylinder penetrates through the conveying pipe and is fixed with a sealing plate that fits the circumferential inner wall of the conveying pipe. A plurality of through holes that are evenly distributed and are in conduction cooperation with the nozzles are formed on the sealing plate.

[0022] A cultivation method for stacked hybrid rice includes the following steps:

[0023] Step 1: Spray the required nutrient solution and clean water downward from the top of the incubator through the conducting spraying mechanism;

[0024] Step 2: At the same time, spray foliar fertilizer from the side of the rice through an atomizer. Under the action of the lifting mechanism, the height of the ventilation mechanism is adjusted through the support plate. The atomizer will move synchronously with the ventilation mechanism and, under the action of the ventilation mechanism, provide a two-way counter-flushing wind to the rice and continuously translate along the length direction of the support plate, so that the atomized foliar fertilizer can be smoothly adhered to the inter-stem leaves;

[0025] Step 3: The ventilation mechanism will also drive the flow guiding mechanism to move. Under the action of the flow guiding mechanism, the deflection angle of the air guiding plate is adjusted, so as to continuously gather and disperse the airflow, so that the two airflows impact each other with different wind pressures;

[0026] Step 4: When the spraying of foliar fertilizer on this layer of incubator is complete, the lifting mechanism controls the ventilation mechanism to move to the position of the next incubator through the support plate and performs the fertilization treatment again.

[0027] Compared with the prior art, the beneficial effects of the present invention are: This application can supply air in two directions, and respectively perform periodic gathering and pressurization and diffusion and decompression on the two airflows, so as to realize the impact of the two airflows on each other with different air pressures, thereby increasing the diffusion range of the foliar fertilizer, enabling the foliar fertilizer to smoothly pass through the inter-stem spacing, and ensuring that the fertilization amount of the upper and lower leaves is within a uniform range. Specifically, when the lifting mechanism adjusts the ventilation mechanism to move to the required lateral fertilization position of the incubator through the support plate, the atomizer can apply foliar fertilizer from the side of the seedlings. Under the action of the ventilation mechanism, a two-way air supply action is performed on the rice. At the same time, the ventilation mechanism will also drive the flow guiding mechanism to move to continuously adjust the deflection angle of the air guiding plate, so that the air pressures of the two airflows change periodically, and by means of impact, the shaking frequency of the rice is increased, so that the airflow drives the atomized foliar fertilizer to smoothly flow between the rice stems.

[0028] By continuously adjusting the yaw angle of the air deflector, high-pressure convergence and low-pressure diffusion of the two airflows can be achieved. The high-pressure converged airflow "jets" the airflow into the rice plant canopy, causing the rice stems to tilt or vibrate temporarily, thereby increasing the space between the stems. The low-pressure diffused airflow prolongs the air circulation time, enabling the atomized foliar fertilizer to adhere smoothly to the lower leaves. The periodic pressure fluctuations simulate natural gusts, prompting the space between the rice stems to fluctuate continuously, and the alternating wind speeds avoid the problem of rice stem lodging caused by continuous strong winds, thereby improving the breeding efficiency. At the same time, the airflows colliding will generate turbulent vortices, enabling the rice to swing freely in an irregular form, causing the excess foliar fertilizer remaining on the upper leaves to break away from the upper leaf surface, increasing the capture rate of the lower leaves. When the airflow impacts and flows, the excess moisture remaining in the lower layer of the rice can also be diffused to the upper layer of the rice, which can not only prevent the problem of poor rice growth caused by excessive moisture in the lower layer but also reuse the excess moisture, achieving an environmental protection effect.

[0029] The solution can also be evenly sprayed on the rice planted in the incubator through the conduction spraying mechanism. Under the action of the conduction spraying mechanism, the solution can be discharged through multiple nozzles with the same pressure, ensuring that there is no pressure gradient in the delivery pipe, which may cause different amounts of solution spraying, thus ensuring the normal growth of the breeding. During the breeding process, water can also be conveyed into the delivery pipe and sprayed in an atomized form through the nozzles to the growth area to ensure that the growth conditions of the rice are within the optimal humidity range during breeding. Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram of an embodiment of a stacked hybrid rice cultivation device.

[0031] Figure 2 It is a schematic structural diagram of another angle in an embodiment of a stacked hybrid rice cultivation device.

[0032] Figure 3 It is a schematic connection diagram of the ventilation mechanism and the diversion mechanism in an embodiment of a stacked hybrid rice cultivation device.

[0033] Figure 4 It is Figure 3 A schematic structural diagram of another angle.

[0034] Figure 5 It is a schematic structural diagram of part of the ventilation mechanism and the diversion mechanism in an embodiment of a stacked hybrid rice cultivation device.

[0035] Figure 6 It is Figure 5 An enlarged schematic structural diagram of part A.

[0036] Figure 7Schematic diagram of the structures of the diversion mechanism, air deflector, and sliding plate in an embodiment of a stacked hybrid rice cultivation device.

[0037] Figure 8 Exploded schematic diagram of part of the diversion mechanism and part of the ventilation mechanism in an embodiment of a stacked hybrid rice cultivation device.

[0038] Figure 9 Schematic diagram of the structure of part of the conduction spraying mechanism in an embodiment of a stacked hybrid rice cultivation device.

[0039] Figure 10 Schematic diagram of the cross-sectional structure of the delivery pipe in an embodiment of a stacked hybrid rice cultivation device.

[0040] In the figure: 1, support; 2, lifting plate; 3, cultivation box; 4, fixing plate; 5, support ring; 6, rotating rod; 7, delivery pipe; 8, nozzle; 9, cylinder; 10, sealing plate; 1001, guide through hole; 11, first lead screw; 12, first threaded sleeve; 13, support plate; 1301, chute; 1302, corrugated groove; 14, guide post; 15, guide sleeve; 16, sliding plate; 17, fan; 18, air deflector; 19, second lead screw; 20, second threaded sleeve; 21, connecting plate; 22, support column; 23, movable sleeve; 24, limit post; 25, hinge rod; 26, push rod. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] In addition, an element in the present invention is referred to as being "fixed to" or "disposed on" another element, and it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manners.

[0043] Please refer to Figures 1 to 10 , in an embodiment of the present invention, a stacked hybrid rice cultivation device includes:

[0044] A support 1, and a plurality of lifting plates 2 fixed on the support 1 and distributed vertically at equal intervals, and a cultivation box 3 is fixed on the lifting plate 2;

[0045] It further includes:

[0046] A conducting spray mechanism, arranged on the lifting plate 2, for performing a spraying action on rice;

[0047] A lifting and translation mechanism, arranged on the bracket 1, and symmetrically arranged support plates 13 are connected to the lifting and translation mechanism;

[0048] A ventilation mechanism, arranged on the support plate 13, the ventilation mechanism includes two groups of wind guide plates 18 arranged symmetrically, and a diversion mechanism is also arranged on the support plate 13. When the ventilation mechanism drives the wind guide plates 18 to move in the horizontal direction, the diversion mechanism can adjust the yaw angle of the wind guide plates 18 to guide the airflow to perform mutual impact.

[0049] Specifically, when breeding rice, in order to ensure the normal growth of breeding, it is necessary to apply water, fertilizer and other solutions to hybrid rice. In order to ensure uniform spraying of the rice on the incubator 3, under the action of the conducting spray mechanism, it can ensure that the solution is pumped at the same pressure and continuously change the pumping direction to prevent the occurrence of spraying dead angles, resulting in poor growth of the cultivated rice. After the rice is fertilized, it is also necessary to apply foliar fertilizer to the rice. Through the absorption of the leaves, it can quickly supplement nutrients, thereby promoting the growth of the seedlings. At this time, the lifting mechanism can be used to control the support plate 13 to move to the fertilization position required by the lowermost incubator 3, and the foliar fertilizer is sprayed from the side of the seedlings through an atomizer. Under the action of the ventilation mechanism, bidirectional blowing wind is provided to the rice. At the same time, the ventilation mechanism will also drive the diversion mechanism to move. Under the action of the diversion mechanism, the wind guide plates 18 are controlled to reciprocally yaw to converge and diffuse the airflow, so that the two mutually opposing airflows impact each other with different wind pressures that change periodically. When the converging airflow area acts on the rice, it can force the rice to yaw. When the converging airflow area and the diffusing airflow area impact each other, the blown gas can smoothly pass through the interlayer spacing and act on the bottom position of the rice. Since the two air pressures are always in periodic change, the rice can randomly shake to ensure that the airflow carrying the atomized foliar fertilizer smoothly circulates in the gaps between the rice stalks, so as to ensure that the foliar fertilizer can smoothly adhere to the lower leaves. After the fertilization of this layer of incubator 3 is completed, the lifting mechanism controls the support plate 13 to move to the fertilization position of the next incubator 3, and under the action of the ventilation mechanism and the diversion mechanism, the fertilization action is performed again until the fertilization of the rice in all incubators 3 is completed.

[0050] Please refer to Figure 1 、 Figure 2 、 Figure 9 、 Figure 10, the on - off spraying mechanism includes a support ring 5 fixed to the bottom of the lifting plate 2. A conveying pipe 7 is rotatably installed inside the support ring 5. A rotating rod 6 rotatably connected to the lifting plate 2 is fixed to the side end of the conveying pipe 7. The on - off spraying mechanism further includes a plurality of nozzles 8 connected to the circumferential outer wall of the conveying pipe 7 and distributed at equal intervals. A cylinder 9 is fixed to the side end of the conveying pipe 7. The telescopic end of the cylinder 9 penetrates through the conveying pipe 7 and is fixed with a sealing plate 10 that fits against the circumferential inner wall of the conveying pipe 7. A plurality of through - holes 1001 distributed at equal intervals and in conduction cooperation with the nozzles 8 are formed on the sealing plate 10.

[0051] Please refer to Figure 10 , specifically, a pressure sensor is installed inside the conveying pipe 7. In the initial state, under the action of the cylinder 9, the sealing plate 10 is closely attached to the inner wall of the conveying pipe 7, and the through - holes 1001 and the nozzles 8 are controlled to be in a misaligned state, so that the nozzles 8 are in a blocked state;

[0052] In order to accelerate the breeding rate, it is necessary to apply fertilizer to the hybrid rice. For this purpose, the solution used for fertilization can be conveyed into the conveying pipe 7. Since the nozzles 8 are in a blocked state, the pressure inside the conveying pipe 7 will gradually increase. When the conveying pipe 7 is filled with the solution and the pressure sensor detects that the pressure inside the conveying pipe 7 reaches the set threshold, the cylinder 9 works and drives the sealing plate 10 to move, thereby driving the through - holes 1001 to move. When the through - holes 1001 move to the position in conduction cooperation with the nozzles 8, the cylinder 9 stops working. At this time, the solution can be discharged through the plurality of nozzles 8 with the same pressure, ensuring that there is no pressure gradient inside the conveying pipe 7, and preventing the problem that the discharge amounts of the plurality of nozzles 8 are inconsistent, resulting in inconsistent fertilization amounts and different growth of rice;

[0053] At the same time, the rotating rod 6 can be driven by an external motor to rotate reciprocally by a certain angle, and the spraying angle of the nozzles 8 can be adjusted through the conveying pipe 7, so that the solution sprayed by the nozzles 8 can evenly cover the entire incubator 3, thereby avoiding the spraying dead angle and further ensuring the uniformity of the rice growth environment.

[0054] Preferably, after the spraying of the solution is completed, a solution for providing other trace elements or other components required for growth can be added to the conveying pipe 7, and the solution can be sprayed on the rice in the same way as above, so as to further improve the breeding effect. During the breeding process, water can also be conveyed into the conveying pipe 7, and the water can be sprayed into the breeding area in the form of atomization through the nozzles 8 to ensure that the growth conditions of the rice are within the optimal humidity range during breeding.

[0055] Please refer to Figures 1 - 4, the lifting mechanism includes a fixed plate 4 fixed on the bracket 1. A first lead screw 11 is rotatably installed on the fixed plate 4. A first threaded sleeve 12 fixedly connected to the support plate 13 is threadedly connected to the first lead screw 11. The lifting mechanism further includes a guide post 14 fixed on the fixed plate 4. A guide sleeve 15 fixedly connected to the support plate 13 axially slides on the guide post 14.

[0056] It should be noted that an atomizer for applying atomized foliar fertilizer is installed on the sliding plate 16. When fertilizing rice, it is necessary to adjust the height of the support plate 13 according to the height of different incubators 3. For this purpose, when the height of the support plate 13 needs to be adjusted, the first lead screw 11 can be driven to rotate by an external motor, so as to drive the first threaded sleeve 12 to move. Under the action of the first threaded sleeve 12, the support plate 13 is driven to move, so as to drive the guide sleeve 15 to axially slide along the guide post 14. The guide sleeve 15 and the guide post 14 have a guiding effect, which can ensure that the first threaded sleeve 12 can only move along the length direction of the first lead screw 11 and will not rotate with the first lead screw 11. When the support plate 13 drives the ventilation mechanism and the atomizer to move to the fertilizing position required by one of the incubators 3, the first lead screw 11 stops rotating. At this time, the rice can be fertilized through the ventilation mechanism and the atomizer;

[0057] After the fertilization of the incubator 3 is completed, the first lead screw 11 continues to rotate, and the height of the support plate 13 is adjusted again, so that the support plate 13 moves to the fertilizing position required by the next incubator 3, and the above steps are repeated, so as to fertilize the rice in all the incubators 3. Among them, the first lead screw 11 has a self-locking effect. After the first lead screw 11 stops rotating, the position of the support plate 13 will not change, so as to ensure the stability of the ventilation mechanism.

[0058] Please refer to Figures 1 - 5 , Figure 7 , the ventilation mechanism includes a chute 1301 opened on the support plate 13. A sliding plate 16 rotatably connected to the air guide plate 18 is slidably installed in the chute 1301. A fan 17 is fixed on the sliding plate 16. The ventilation mechanism further includes a second lead screw 19 rotatably installed on the support plate 13. A second threaded sleeve 20 is threadedly connected to the second lead screw 19. A connecting plate 21 for driving the sliding plate 16 to slide is fixed on the second threaded sleeve 20.

[0059] Please refer to Figures 1 - 8, the flow guiding mechanism includes a support column 22 fixed to the connecting plate 21. An active sleeve 23 slides axially on the support column 22. Symmetrically arranged hinge rods 25 are hinged on both sides of the active sleeve 23. A push rod 26 rotatably installed at the end of the hinge rod 25 is rotatably connected to the air deflector 18. The flow guiding mechanism further includes a corrugated groove 1302 formed on the support plate 13. A limiting column 24 slidably fitted with the corrugated groove 1302 is fixed on the active sleeve 23.

[0060] Please refer to Figure 4 、 Figure 5 , further, the corrugated groove 1302 is composed of a plurality of symmetrically arranged oblique grooves, and the directions and dimensions formed by the two corrugated grooves 1302 on the support plate 13 are the same. The support plate 13, the support column 22, the air deflector 18, the fan 17, etc. are all symmetrically arranged. Therefore, the two fans 17 can be defined to be used for front-end air supply and rear-end air supply respectively. In the initial state, under the action of the second lead screw 19, the sliding plate 16 is controlled by the second threaded sleeve 20 and the connecting plate 21 to be at the end of the stroke towards the first threaded sleeve 12, and the sliding plate 16 is at the end of the stroke on one side of the chute 1301. Under the action of the connecting plate 21, the limiting column 24 is controlled by the support column 22 and the active sleeve 23 to be at the middle position of one of the oblique grooves on the side of the corrugated groove 1302 towards the first threaded sleeve 12, so as to control the two air deflectors 18 for front-end air supply and the two air deflectors 18 for rear-end air supply to be in a parallel state through the hinge rods 25 and the push rods 26;

[0061] When fertilizer application treatment is required for rice, at this time, the atomizer works and applies atomized foliar fertilizer to the sides of the seedlings. At the same time, the two blowers 17 work and maintain the same power, so that the air volume and wind force sent by the two blowers 17 are the same. At the same time, the second lead screw 19 works and drives the second threaded sleeve 20 to move, so as to drive the sliding plate 16 to slide along the length direction of the chute 1301 through the connecting plate 21, so that the two blowers 17 and the two groups of air guiding plates 18 move synchronously along the side wall of the incubator 3. At the same time, the connecting plate 21 will also drive the support column 22 to move, and drive the limit column 24 to move through the movable sleeve 23. Since the opening sizes and directions of the two corrugated grooves 1302 are the same, and the two connecting plates 21 and the two support columns 22 are in a symmetrical state, for this reason, one of the limit columns 24 for front-end air supply will control the movable sleeve 23 connected thereto to slide along the axial direction of the support column 22 and move in a direction away from the connecting plate 21, so as to control the two air guiding plates 18 to deflect in a direction away from each other through the hinge rod 25 and the push rod 26. Similarly, the other limit column 24 for rear-end air supply will control the movable sleeve 23 connected thereto to slide along the axial direction of the support column 22 and move in a direction close to the connecting plate 21, so as to control the two air guiding plates 18 to deflect in a direction close to each other through the hinge rod 25 and the push rod 26;

[0062] Since the included angle between the two air guiding plates 18 for front-end air supply increases, the air guiding plates 18 have the effect of diffusing the airflow, so as to reduce the pressure of the airflow conveyed by the blower 17. The included angle between the two air guiding plates 18 for rear-end air supply decreases, so that the air guiding plates 18 have the effect of converging the airflow, so as to increase the pressure of the airflow conveyed by the blower 17. The pressurized airflow will promote the shaking of the rice in a relatively dense growth state and increase the distance between the rice stems, so as to ensure that the lower leaves of the seedlings can be in full contact with the atomized foliar fertilizer carried in the airflow. When the pressurized airflow and the decompressed airflow impact each other, due to the different flow rates of the two gases, the airflow impact will generate turbulent vortices, so that the rice can swing freely in an irregular form, thereby further increasing the passing performance of the airflow flowing under the rice. At the same time, when the airflow impacts and flows, the excess moisture remaining under the rice can also be diffused to the upper layer of the rice, which can not only prevent the problem of poor rice growth caused by excessive moisture in the lower layer, but also reuse the excess moisture to achieve an environmental protection effect.

[0063] At the same time, when the included angle between the two air guiding plates 18 for front-end air supply increases, the side airflow can also be converged and accelerated through the side away from each other. Similarly, when the included angle between the two air guiding plates 18 for rear-end air supply decreases, the side airflow is diffused and decelerated through the side away from each other, so as to further improve the fertilization effect.

[0064] When both of the two limit posts 24 move to the most protruding positions of the corrugated grooves 1302, the included angle between the two air guide plates 18 for front-end air supply reaches the maximum, and the included angle between the two air guide plates 18 for rear-end air supply reaches the minimum. At this time, when the limit posts 24 continue to move, the included angle between the two air guide plates 18 for front-end air supply increases, and the included angle between the two air guide plates 18 for rear-end air supply decreases, so as to control the two airflows to change periodically and conduct mutual counter-flows.

[0065] Preferably, through continuous adjustment of the yaw angle of the air guide plates 18, the two airflows can be subjected to high-pressure convergence and low-pressure diffusion. The high-pressure converged airflows "inject" the airflows into the interior of the rice plant canopy, causing the rice stems to tilt or vibrate temporarily, thereby increasing the space between the stems. The low-pressure diffused airflows extend the air circulation time, enabling the atomized foliar fertilizer to adhere smoothly to the lower leaves. The periodic pressure fluctuations simulate natural gusts, prompting the space between the rice stems to fluctuate continuously, and the alternating wind speeds avoid the problem of rice stem lodging caused by continuous strong winds, thereby improving the breeding efficiency.

[0066] A cultivation method for stacked hybrid rice includes the following steps:

[0067] Step 1: Spray the required nutrient solution and clean water downward from the top of the culture box 3 through the conduction and spraying mechanism;

[0068] Step 2: Meanwhile, spray the foliar fertilizer from the side of the rice through the atomizer. Under the action of the lifting mechanism, the height of the ventilation mechanism is adjusted through the support plate 13. The atomizer will move synchronously with the ventilation mechanism and, under the action of the ventilation mechanism, provide bidirectional counter-flow wind power to the rice and continuously translate along the length direction of the support plate 13, so that the atomized foliar fertilizer adheres smoothly to the leaves between the stems;

[0069] Step 3: The ventilation mechanism will also drive the diversion mechanism to move. Under the action of the diversion mechanism, the yaw angle of the air guide plate 18 is adjusted, so as to continuously converge and diffuse the airflows, enabling the two airflows to impact each other with different air pressures;

[0070] Step 4: When the spraying of the foliar fertilizer on this layer of culture box 3 is completed, the lifting mechanism controls the ventilation mechanism to move to the position of the next culture box 3 through the support plate 13 and conducts the fertilization treatment again.

[0071] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0072] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A stacked hybrid rice cultivation device, comprising: A support, and a plurality of lifting plates fixed on the support and distributed vertically and equidistantly, wherein an incubator is fixed on the lifting plates; It is characterized by further comprising: A conducting spraying mechanism is arranged on the lifting plate and is used for spraying the rice; A lifting and translation mechanism is arranged on the bracket, and a symmetrically arranged support plate is connected to the lifting and translation mechanism; A ventilation mechanism is arranged on the support plate, and the ventilation mechanism includes two groups of wind guide plates arranged symmetrically. A flow guide mechanism is also arranged on the support plate. When the ventilation mechanism drives the wind guide plates to move in the horizontal direction, the flow guide mechanism can adjust the swing angle of the wind guide plates to guide the airflows to impact each other.

2. A stacked hybrid rice cultivation device according to claim 1, characterized in that: The ventilation mechanism comprises a slide groove provided on the support plate, a slide plate rotatably mounted in the slide groove and rotatably connected to the air guide plate, and a fan is fixed on the slide plate.

3. A stacked hybrid rice cultivation device according to claim 2, characterized in that: The ventilation mechanism also includes a second screw rod rotatably mounted on the support plate, a second threaded sleeve is threadedly connected to the second screw rod, and a connecting plate for driving the sliding plate to slide is fixed to the second threaded sleeve.

4. The stacked hybrid rice cultivation device according to claim 3, characterized in that: The air guide mechanism includes a support column fixed on the connecting plate, the support column is axially slidable with a movable sleeve, both sides of the movable sleeve are hinged with symmetrically arranged hinged rods, and the ends of the hinged rods are rotatably mounted with push rods rotatably connected to the air guide plate.

5. The stacked hybrid rice cultivation device according to claim 4, characterized in that: The flow guiding mechanism further comprises a corrugated groove formed on the supporting plate, and a limiting column which is slidably engaged with the corrugated groove is fixed on the movable sleeve.

6. The stacked hybrid rice cultivation device according to claim 1, characterized in that: The lifting mechanism comprises a fixing plate fixed on the bracket, a first screw rod is rotatably mounted on the fixing plate, and a first threaded sleeve fixedly connected to the support plate is threadedly connected to the first screw rod.

7. The stacked hybrid rice cultivation device according to claim 6, characterized in that: The lifting mechanism further comprises a guide column fixed on the fixing plate, wherein the guide column axially slides with a guide sleeve fixedly connected to the supporting plate.

8. The stacked hybrid rice cultivation device according to claim 1, characterized in that: The conduction spray mechanism comprises a support ring fixed at the bottom of the lifting plate, a delivery pipe is rotatably installed in the support ring, and a rotating rod rotatably connected to the lifting plate is fixed to the side end of the delivery pipe.

9. The stacked hybrid rice cultivation device according to claim 8, characterized in that: The conductive spray mechanism also includes a plurality of nozzles connected to the circumferential outer wall of the delivery pipe and distributed at equal intervals. A cylinder is fixed to the side end of the delivery pipe. The telescopic end of the cylinder passes through the delivery pipe and is fixed with a sealing plate that fits the circumferential inner wall of the delivery pipe. The sealing plate is formed with a plurality of conductive holes that are distributed at equal intervals and are conductively matched with the nozzles.

10. A method for cultivating stacked hybrid rice, using the stacked hybrid rice cultivation device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Spray the required nutrient solution and clean water from the top of the incubator downwards through the spray mechanism; Step 2: At the same time, the foliar fertilizer is sprayed from the side of the rice through the atomizer. Under the action of the lifting mechanism, the height of the ventilation mechanism is adjusted through the support plate. The atomizer will move synchronously with the ventilation mechanism and provide two-way wind force to the rice under the action of the ventilation mechanism. It also continuously moves horizontally along the length direction of the support plate, so that the atomized foliar fertilizer can be smoothly adhered to the leaves between the stems. Step 3: The ventilation mechanism will also drive the guide mechanism to move. Under the action of the guide mechanism, the deflection angle of the air guide plate is adjusted, thereby continuously gathering and diffusing the airflow, so that the two airflows impact each other with different wind pressures; Step 4: When the foliar fertilizer is completely sprayed on the culture box at this level, the lifting mechanism controls the ventilation mechanism to move to the next culture box position through the support plate, and fertilization is carried out again.

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