CN117480967A

CN117480967A - Rice cultivation device

Info

Publication number: CN117480967A
Application number: CN202311555384.9A
Authority: CN
Inventors: 赵志强; 王奉斌; 袁杰; 文孝荣; 张燕红; 布哈丽且木·阿不力孜; 康民泰; 唐福森; 孔德鹏; 朱凌云; 杜孝敬; 侯天钰; 顾秋丽
Original assignee: Xinjiang Academy Of Agricultural Sciences Institute Of Nuclear Technology Biotechnology (xinjiang Uygur Autonomous Region Biotechnology Research Center)
Current assignee: Xinjiang Academy Of Agricultural Sciences Institute Of Nuclear Technology Biotechnology (xinjiang Uygur Autonomous Region Biotechnology Research Center)
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-02-02

Abstract

The invention discloses a rice cultivation device, and relates to the technical field of rice cultivation. Comprising the following steps: seedling tray still includes: the seedling raising grooves are arranged in the seedling raising tray; the liquid storage tank is arranged at one side of the seedling raising tray; one end of the siphon pipe is inserted into the liquid storage tank, the other end of the siphon pipe is positioned above one of the seedling raising tanks, and the siphon pipe is used for discharging liquid in the liquid storage tank into the seedling raising tank; the drip structure is arranged at the end part of the siphon pipe above the seedling raising groove; the first pipes are respectively arranged between two adjacent seedling raising grooves. The invention has the advantages that when the device is used for cultivating rice seedlings, especially when a plurality of seedlings are cultivated at one time, the operation of adding liquid into all the seedlings in the seedling raising grooves can be carried out without excessive operation, meanwhile, the added liquid capacity in the seedling raising grooves is consistent, the inconsistent growth progress of the seedlings cultivated in the same batch is avoided, and the efficiency of cultivating the seedlings is improved.

Description

Rice cultivation device

Technical Field

The invention relates to the technical field of rice cultivation, in particular to a rice cultivation device.

Background

The rice is a cereal crop, the representative species is rice, the rice is native to China and India, the rice is planted by people in Yangtze river basin of China seven thousand years ago, and the rice is classified into indica rice and japonica rice, early rice, middle and late rice, glutinous rice and non-glutinous rice according to the types of rice. The conventional rice and hybrid rice are classified according to seed reserving modes. At present, in rice planting, the seedling raising device is often used for raising seedlings from seeds, and then transplanting is performed, so that the survival rate of rice can be improved.

For example: the publication number is: CN107494044a, this patent discloses a plug seedling breeding device, including breeding device and controlling means, the device of growing seedlings comprises water inlet module, cistern, drainage subassembly, cultivation bedstead, universal wheel, cultivation bed, and controlling means comprises temperature sensor, heating pipe, liquid level control assembly, cooperatees through water inlet module and high liquid level sensor, makes the liquid level diffuse plug bottom, irrigates the alms bowl seedling, can carry out the drainage through drainage subassembly.

Also, publication No.: CN217160552U, the patent discloses a seedling culture plug convenient to transport, statistics, including main part device, cultivation device, convenient device, power device and drip irrigation device, main part device includes the plug, and cultivation device includes the alms bowl body and leaks the mouth, and a plurality of alms bowl body one end all are connected with a surface of plug, and a plurality of mouths of leaking mouth one end are connected with a plurality of alms bowl body lower surfaces respectively. When the seedling planting device is used, a proper amount of soil is poured into the flexible net-shaped soil carrying pot, seedlings are planted in the soil, the substrate at the bottom of the seedling planting device is arranged at the lower end of the flexible net-shaped soil carrying pot, the substrate is a hard net-shaped round block, then the flexible net-shaped soil carrying pot is placed in the pot body, the water suction pump is used for conveying water into the water tank by converting electric energy into mechanical energy, the water valve is opened, and the water is conveyed into the water conveying pipe by water pressure.

The above patent is that the seedling raising device is used for raising seedlings from seeds, and the mode is more beneficial to the cultivation of the seedlings. However, when the seedlings are cultivated, water and solution are added into the seedlings, a long pipe is adopted, water and nutrient solution are pumped into the container filled with the seedlings through the long pipe, the water pump is used for delivering the liquid into the container each time, the container close to the water pump can flow more liquid than the container far from the water pump, meanwhile, when the water pump is stopped, the water flow in the pipe has a reflux acting force, so that the quantity of the liquid added into the same seedlings is different, the mixed liquid of the water and the nutrient solution is needed to be added for a plurality of times in the process of cultivating the seedlings, the growth progress of the seedlings cultivated in the same batch is inconsistent, the seedlings cannot be simultaneously cultivated, and the seedlings which do not meet the transplanting standard still need to be cultivated independently, are very troublesome and have low efficiency.

Disclosure of Invention

The invention provides a rice cultivation device which can realize the consistent volume of liquid added in a plurality of seedling raising tanks and avoid inconsistent growth progress of seedlings raised in the same batch.

The present invention provides a rice cultivation device, comprising: seedling tray still includes:

the seedling raising grooves are arranged in the seedling raising tray and are positioned in the same horizontal plane;

the liquid storage tank is arranged at one side of the seedling raising tray;

one end of the siphon is inserted into the liquid storage tank, the other end of the siphon is positioned above one of the seedling raising tanks, and the siphon is used for discharging liquid in the liquid storage tank into the seedling raising tank;

the drip structure is arranged at the end part of the siphon pipe above the seedling raising groove;

the first pipes are respectively arranged between two adjacent seedling raising grooves, and two ends of each first pipe are respectively communicated with the two seedling raising grooves.

Preferably, the siphon tube comprises:

the first U-shaped pipe is arranged in the liquid storage tank, the lengths of the two ends of the first U-shaped pipe are different, and one shorter end of the first U-shaped pipe is opened;

one end of the connecting pipe is communicated with the longer end of the first U-shaped pipe;

the length of its both ends is different, the shorter one end of second U type pipe is located in the liquid reserve tank, the longer one end of second U type pipe is located outside the liquid reserve tank, the other end of connecting pipe with the shorter one end intercommunication of second U type pipe, the longer one end opening of second U type pipe, just the longer one end of second U type pipe is located one of them the top of seedling raising groove, the drip structure sets up the longer one end of second U type pipe.

Preferably, the drip structure comprises:

the pipe body is arranged at the end part of the second U-shaped pipe;

the first valve is arranged in the pipe body;

the cover plate is arranged at one end of the pipe body, which is away from the second U-shaped pipe, and is positioned below the first valve, and a leakage hole is formed in the cover plate.

Preferably, a rotating structure is arranged between the dripping structure and the second U-shaped tube, the rotating structure is used for controlling the dripping structure to rotate, and the rotating structure comprises:

the rotary table is of a hollow structure and is arranged at the end part of the second U-shaped pipe, the rotary table is rotationally connected with the second U-shaped pipe, a water inlet hole is formed in the top of the rotary table and is communicated with the end part of the second U-shaped pipe, a water outlet hole is eccentrically formed in the bottom of the rotary table, and the water outlet hole is communicated with the pipe body;

the driving piece is arranged at the top of the rotary table, the driving piece is connected with the side wall of the second U-shaped tube through a connecting rod, the driving piece is provided with an output end, the output end of the driving piece is connected with the rotary table, and the driving piece is used for driving the rotary table to rotate.

Preferably, the method further comprises:

the humidity sensor is arranged in the seedling raising groove;

and the controller is electrically connected with the humidity sensor, the driving piece and the first valve.

Preferably, the method further comprises:

the support plate is horizontally erected in the seedling raising tray, a plurality of through holes are formed in the support plate, and a plurality of seedling raising grooves are arranged in the through holes in a penetrating mode;

the lifting structure is arranged between the seedling raising tray and the supporting plate and is provided with an output end, the output end of the lifting structure is connected with the supporting plate, and the lifting structure is used for driving the supporting plate to lift.

Preferably, the method further comprises:

the third pipes are respectively arranged at the bottoms of the seedling raising grooves and are communicated with the seedling raising grooves;

the two ends of the second pipe are closed, and one ends of the plurality of third pipes, which deviate from the seedling raising grooves, are communicated with the second pipe;

the second valve is arranged at the bottom of the second pipe, a cavity is formed by the second valve and the bottom of the supporting plate, and the cavity is used for containing liquid flowing down by the second valve.

Preferably, a sterilizing structure is arranged in the cavity and is used for sterilizing the liquid in the cavity.

Preferably, the method further comprises:

one end of the drain pipe is communicated with the bottom of the cavity, the other end of the drain pipe is communicated with the bottom of the liquid storage tank, and a filter screen is arranged at one end of the drain pipe communicated with the cavity;

the pump body is arranged in the cavity, and the output end of the pump body is communicated with the drain pipe;

the guide cylinder is conical, one end with small diameter of the guide cylinder is connected with the drain pipe, and one end with large diameter of the guide cylinder is connected with the inner wall of the cavity.

Compared with the prior art, the invention discloses a rice cultivation device, which has the beneficial effects that:

this device adds appropriate amount of water and nutrient solution mixed solution to the liquid reserve tank when using, then make the liquid of seedling raising inslot flow into seedling raising inslot through siphon, drip structure, then flow to other seedling raising inslot through first pipe, need not power and too much operation can be realized to add water and nutrient solution mixed solution together for a plurality of seedling raising inslot, and because between two adjacent seedling raising inslot through first pipe intercommunication, a plurality of seedling raising inslot are located same horizontal plane simultaneously, when again adding water and nutrient solution mixed solution to one of them seedling raising inslot, liquid can make the liquid capacity that adds unanimous in a plurality of seedling raising inslot through first pipe, avoid the seedling growth progress of same batch cultivation inconsistent. Meanwhile, the device is provided with the drip structure, so that the speed of liquid flowing down can be controlled, excessive liquid is prevented from being introduced once, and the water-saving effect is achieved. When the device is used for cultivating rice seedlings, excessive operation is not needed, the operation of adding liquid into all seedlings in the seedling raising grooves can be performed, the degree of automation is high, and especially when a plurality of seedlings are cultivated at one time, the time is saved, and the efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural view of a siphon tube according to the present invention;

FIG. 3 is a partial schematic view of a rotary structure according to the present invention;

FIG. 4 is a schematic view of a part of the structure of the seedling raising tank of the present invention.

The meaning of the individual reference numerals in the figures: 1-seedling tray, 2-seedling groove, 3-liquid storage tank, 4-rotating structure, 5-supporting plate, 6-lifting structure, 21-first pipe, 22-second pipe, 23-third pipe, 31-siphon pipe, 311-first U-shaped pipe, 312-connecting pipe, 313-second U-shaped pipe, 314-first valve, 315-cover plate, 316-drip hole, 317-pipe body, 41-turntable, 42-driving piece, 43-connecting rod, 51-second valve, 52-cavity, 53-drain pipe, 54-guide cylinder.

Detailed Description

The technical solutions in the present application will be clearly and thoroughly described below with reference to the accompanying drawings. Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B: the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and in addition, in the description of the embodiments of the present application, "plural" means two or more than two.

The terms "first," "second," and the like, are used below for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

An embodiment of the present invention provides a rice cultivation apparatus as shown in fig. 1, including: the seedling raising tray 1, as a container for raising rice seedlings, further comprises: a seedling raising tank 2, a liquid storage tank 3, a siphon pipe 31, a drip structure and a first pipe 21. The seedling raising trays 2 are arranged in the seedling raising tray 1, one rice seedling is raised in each seedling raising tray 2, and the seedling raising trays 2 are positioned in the same horizontal plane; the liquid storage tank 3 is arranged at one side of the seedling raising tray 1, and mixed liquid of water and nutrient solution is placed in the liquid storage tank 3; one end of a siphon pipe 31 is inserted into the liquid storage tank 3, the other end of the siphon pipe 31 is positioned above one of the seedling raising tanks 2, the siphon pipe 31 is used for discharging liquid in the liquid storage tank 3 into the seedling raising tank 2, the siphon pipe 31 is provided with a short arm and a long arm, the short arm is positioned in the liquid storage tank 3, the long arm is positioned above the seedling raising tank 2, and the liquid in the liquid storage tank 3 can flow to the long arm through the short arm; the drip structure is arranged at the end part of the siphon pipe 31 above the seedling raising groove 2, so that excessive liquid can be prevented from flowing into the seedling raising groove 2; the plurality of first pipes 21 are respectively arranged between two adjacent seedling raising grooves 2, and two ends of each first pipe 21 are respectively communicated with the two seedling raising grooves 2. This device adds appropriate amount of water and nutrient solution mixed solution to the liquid reserve tank 3 when using, then make the liquid in the groove 2 of growing seedlings through siphon 31, drip structure inflow grow seedlings in the groove 2, then flow to other groove 2 of growing seedlings through first pipe 21 in, need not power and too much operation can be realized to add water and nutrient solution mixed solution together for a plurality of grooves 2 of growing seedlings, and because between two adjacent grooves 2 of growing seedlings through first pipe 21 intercommunication, a plurality of grooves 2 of growing seedlings lie in same horizontal plane simultaneously, when again adding water and nutrient solution mixed solution to one of them groove 2 of growing seedlings, the liquid can make the capacity that adds in a plurality of grooves 2 of growing seedlings unanimous through first pipe 21, avoid the seedling growth progress of same batch cultivation. Meanwhile, the device is provided with the drip structure, so that the speed of liquid flowing down can be controlled, excessive liquid is prevented from being introduced once, and the water-saving effect is achieved. The device can be used for adding liquid to all seedlings in the seedling raising groove 2 without excessive operation when raising rice seedlings, and has high degree of automation, and particularly, when raising a plurality of seedlings at one time, the device can save time and improve efficiency.

As shown in fig. 2, further, the siphon tube 31 includes: a first U-shaped pipe 311, a connecting pipe 312, and a second U-shaped pipe 313. The first U-shaped pipe 311 is arranged in the liquid storage tank 3, the lengths of the two ends of the first U-shaped pipe 311 are different, the shorter end of the first U-shaped pipe 311 is opened, the first U-shaped pipe 311 is equivalent to a water pipe capable of realizing siphon action, and liquid in the liquid storage tank 3 flows from a short arm to a long arm; one end of the connection pipe 312 is communicated with the longer end of the first U-shaped pipe 311; the lengths of two ends of the second U-shaped pipe 313 are different, one shorter end of the second U-shaped pipe 313 is located in the liquid tank 3, one longer end of the second U-shaped pipe 313 is located outside the liquid tank 3, the second U-shaped pipe 313 is equivalent to another water pipe capable of realizing siphoning, the other end of the connecting pipe 312 is communicated with one shorter end of the second U-shaped pipe 313, one longer end of the second U-shaped pipe 313 is open, one longer end of the second U-shaped pipe 313 is located above one seedling raising groove 2, and a dripping structure is arranged at one longer end of the second U-shaped pipe 313. That is, the short arm of the first U-shaped pipe 311 corresponds to the short arm of the whole siphon pipe 31, the long arm of the second U-shaped pipe 313 corresponds to the long arm of the whole siphon pipe 31, the liquid in the liquid storage tank 3 flows down from the first U-shaped pipe 311, the connecting pipe 312 and the second U-shaped pipe 313, and the length of the long arm of the first U-shaped pipe 311 is smaller than that of the short arm of the second U-shaped pipe 313, so that the second U-shaped pipe 313 in the device is higher than that of the first U-shaped pipe 311, two U-shaped pipes are arranged firstly to slow down the liquid flow, and secondly to increase the height of the second U-shaped pipe 313.

As shown in fig. 3, further, the drip structure includes: a tube 317, a first valve 314, a cover 315. The tube 317 is disposed at an end of the second U-shaped tube 313; a first valve 314 is disposed within the tube 317, the first valve 314 for controlling the opening and closing of the water flow; the cover plate 315 is disposed at one end of the tube 317 facing away from the second U-shaped tube 313, the cover plate 315 is disposed below the first valve 314, and the cover plate 315 is provided with a drip hole 316. When the liquid flows to the long arm of the second U-shaped pipe 313, the first valve 314 is opened and the liquid flows down through the drip hole 316 in the cover plate 315.

Example 2

In order to avoid that the drip hole 316 only runs down the liquid at one place, as a further modification on the basis of embodiment 1, further, a rotation structure 4 is provided between the drip structure and the second U-shaped tube 313, the rotation structure 4 is used for controlling the rotation of the drip structure, and as shown in fig. 3, the rotation structure 4 includes: turntable 41, drive piece 42. The rotary table 41 is of a hollow structure, is arranged at the end part of the second U-shaped pipe 313, the rotary table 41 is rotationally connected with the second U-shaped pipe 313, a water inlet hole is formed in the top of the rotary table 41, the water inlet hole is communicated with the end part of the second U-shaped pipe 313, a water outlet hole is eccentrically formed in the bottom of the rotary table 41, the water outlet hole is communicated with the pipe body 317, and liquid flows into the rotary table 41 from the water inlet hole and flows out from the water outlet hole; the driving piece 42 is arranged at the top of the turntable 41, the driving piece 42 is connected with the side wall of the second U-shaped pipe 313 through a connecting rod 43, the driving piece 42 is provided with an output end, the output end of the driving piece 42 is connected with the turntable 41, the driving piece 42 is used for driving the turntable 41 to rotate, the driving piece 42 can be a motor or a steering engine, and the stand is fixed with the side wall of the second U-shaped pipe 313 through the connecting rod 43. When the driving member 42 works, the turntable 41 is driven to rotate, and the water outlet hole is eccentrically arranged, so that the dripping structure is driven to rotate, and liquid is dripped at different positions, thereby avoiding uneven dripping of the liquid.

Further, the method further comprises the following steps: humidity sensor, controller. The humidity sensor is arranged in the seedling raising groove 2, and can detect the humidity in the seedling raising groove 2; the controller is electrically connected to the humidity sensor, the driver 42, and the first valve 314. When the humidity sensor detects that the humidity in the seedling raising tank 2 is smaller than the threshold value, the controller controls the first valve 314 to be opened, and meanwhile the driving piece 42 works, so that liquid can be introduced into the seedling raising tank 2; when the humidity sensor detects that the humidity in the seedling raising tank 2 reaches the threshold value, the controller controls the first valve 314 and the driving piece 42 to be closed. Therefore, the operation of manually opening and closing the water adding operation by a person can be avoided, and the operation of automatically adding the liquid can be better realized.

Other structures of this embodiment are the same as those of embodiment 1, except that the optimization of embodiment 1 is performed.

Example 3

As a further modification on the basis of embodiment 1, there is also included: a supporting plate 5 and a lifting structure 6. The support plate 5 is horizontally erected in the seedling raising tray 1, a plurality of through holes are formed in the support plate 5, a plurality of seedling raising grooves 2 are arranged in the through holes in a penetrating mode, and the seedling raising grooves 2 can be detachably connected with the through holes, such as in a threaded mode, so that the seedling raising grooves 2 can be conveniently taken down for transplanting after rice seedlings are raised; the lifting structure 6 is arranged between the seedling raising tray 1 and the supporting plate 5, the lifting structure 6 is provided with an output end, the output end of the lifting structure 6 is connected with the supporting plate 5, and the lifting structure 6 is used for driving the supporting plate 5 to lift. The seedling tray 1 can be made by transparent material, because the seedling growth can be long after a period, can adjust the height of backup pad 5 through elevation structure 6, avoid seedling growth to be restricted by the container, and transparent material is convenient for cultivate personnel and observe, and because seedling growth needs time, adjust backup pad 5 high spaced time can not be too short at every turn, need not cultivate personnel and take care often.

As shown in fig. 4, further, the method further includes: a third pipe 23, a second pipe 22, and a second valve 51. The third pipes 23 are respectively arranged at the bottoms of the seedling raising grooves 2, and the third pipes 23 are communicated with the seedling raising grooves 2; the two ends of the second pipe 22 are closed, and one end of the plurality of third pipes 23, which is away from the seedling raising groove 2, is communicated with the second pipe 22; the second valve 51 is disposed at the bottom of the second pipe 22, the second valve 51 and the bottom of the supporting plate 5 form a cavity 52, and the cavity 52 is used for containing the liquid flowing down by the second valve 51. After the liquid is added to the growth chamber 2, the excessive liquid flows into the second pipe 22 through the third pipe 23, and when the second valve 51 is opened, the liquid flows into the cavity 52, and the liquid can be collected.

In order to recycle the liquid in the cavity 52, further, a sterilizing structure is arranged in the cavity 52, and the sterilizing structure is used for sterilizing the liquid in the cavity 52. After the liquid flows into the cavity 52, bacteria and the like in the liquid can be sterilized through the sterilizing structure, so that the liquid can be reused, water resource waste is avoided, the sterilizing structure can adopt ozone sterilization or ultraviolet lamp and the like, and the sterilizing structure can be set according to actual needs.

To further recycle the liquid in the cavity 52, further, it further includes: drain pipe 53, pump body, draft tube 54. One end of the drain pipe 53 is communicated with the bottom of the cavity 52, the other end of the drain pipe 53 is communicated with the bottom of the liquid storage tank 3, and a filter screen is arranged at one end of the drain pipe 53 communicated with the cavity 52, so that impurities in the liquid can be prevented from passing through the filter screen; the pump body is arranged in the cavity 52, and the output end of the pump body is communicated with the drain pipe 53; the guide cylinder 54 is conical, one end of the guide cylinder 54 with small diameter is connected with the drain pipe 53, and one end of the guide cylinder 54 with large diameter is connected with the inner wall of the cavity 52. When excessive liquid exists in the cavity 52, the pump body works, the liquid in the cavity 52 is pumped into the liquid storage tank 3 through the drain pipe 53, and a proper amount of nutrient solution is added into the liquid storage tank 3 for mixing, so that the liquid storage tank can be reused.

The device has the advantages that when the device is used, a proper amount of water and nutrient solution mixed solution is added into the liquid storage tank, then liquid in the seedling raising tank flows into the seedling raising tank through the siphon pipe and the drip structure, then flows into other seedling raising tanks through the first pipe, the water and nutrient solution mixed solution can be added into the seedling raising tanks together without power and excessive operation, and because two adjacent seedling raising tanks are communicated through the first pipe, the seedling raising tanks are positioned in the same horizontal plane, and when the water and nutrient solution mixed solution is added into one seedling raising tank, the liquid can enable the added liquid capacity in the seedling raising tanks to be consistent through the first pipe, so that the inconsistent growth progress of seedlings cultivated in the same batch is avoided. Meanwhile, the device is provided with the drip structure, so that the speed of liquid flowing down can be controlled, excessive liquid is prevented from being introduced once, and the water-saving effect is achieved. When the device is used for cultivating rice seedlings, excessive operation is not needed, the operation of adding liquid into all seedlings in the seedling raising grooves can be performed, the degree of automation is high, and especially when a plurality of seedlings are cultivated at one time, the time is saved, and the efficiency is improved.

The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto and variations within the scope of the invention will be apparent to those skilled in the art.

Claims

1. A rice cultivation apparatus comprising: seedling tray (1), its characterized in that still includes:

a plurality of seedling raising grooves (2) are arranged in the seedling raising tray (1), and the plurality of seedling raising grooves (2) are positioned in the same horizontal plane;

the liquid storage tank (3) is arranged at one side of the seedling raising tray (1);

a siphon (31) with one end inserted into the liquid storage tank (3) and the other end positioned above one of the seedling raising tanks (2), wherein the siphon (31) is used for discharging the liquid in the liquid storage tank (3) into the seedling raising tank (2);

the drip structure is arranged at the end part of the siphon pipe (31) above the seedling raising groove (2);

the first pipes (21) are respectively arranged between two adjacent seedling raising grooves (2), and two ends of each first pipe (21) are respectively communicated with two seedling raising grooves (2).

2. A rice cultivation device as claimed in claim 1, characterised in that said siphon (31) comprises:

the first U-shaped pipe (311) is arranged in the liquid storage tank (3), the lengths of the two ends of the first U-shaped pipe (311) are different, and one shorter end of the first U-shaped pipe (311) is opened;

a connection pipe (312) one end of which communicates with the longer end of the first U-shaped pipe (311);

the length at its both ends is different, the shorter one end of second U type pipe (313) is located in liquid reserve tank (3), the longer one end of second U type pipe (313) is located outside liquid reserve tank (3), the other end of connecting pipe (312) with the shorter one end intercommunication of second U type pipe (313), the longer one end opening of second U type pipe (313), just the longer one end of second U type pipe (313) is located one of them the top of seedling groove (2), drip structure sets up the longer one end of second U type pipe (313).

3. A rice cultivating apparatus as claimed in claim 2, wherein the drip structure comprises:

a tube body (317) arranged at the end of the second U-shaped tube (313);

a first valve (314) disposed within the tube (317);

the cover plate (315) is arranged at one end of the pipe body (317) deviating from the second U-shaped pipe (313), the cover plate (315) is positioned below the first valve (314), and a leakage hole (316) is formed in the cover plate (315).

4. A rice cultivation device as claimed in claim 3, characterised in that a rotation structure (4) is provided between the drip structure and the second U-shaped tube (313), the rotation structure (4) being adapted to control rotation of the drip structure, the rotation structure (4) comprising:

the rotary table (41) is of a hollow structure, is arranged at the end part of the second U-shaped pipe (313), the rotary table (41) is rotationally connected with the second U-shaped pipe (313), a water inlet hole is formed in the top of the rotary table (41), the water inlet hole is communicated with the end part of the second U-shaped pipe (313), a water outlet hole is eccentrically formed in the bottom of the rotary table (41), and the water outlet hole is communicated with the pipe body (317);

the driving piece (42) is arranged at the top of the rotary table (41), the driving piece (42) is connected with the side wall of the second U-shaped tube (313) through a connecting rod (43), the driving piece (42) is provided with an output end, the output end of the driving piece (42) is connected with the rotary table (41), and the driving piece (42) is used for driving the rotary table (41) to rotate.

5. The rice cultivating apparatus as claimed in claim 4, further comprising:

the humidity sensor is arranged in the seedling raising groove (2);

and the controller is electrically connected with the humidity sensor, the driving piece (42) and the first valve (314).

6. The rice cultivating apparatus as claimed in claim 1, further comprising:

the support plate (5) is horizontally erected in the seedling raising tray (1), a plurality of through holes are formed in the support plate (5), and a plurality of seedling raising grooves (2) are penetrated in the through holes;

lifting structure (6) is arranged between seedling raising tray (1) and backup pad (5), lifting structure (6) have the output, the output of lifting structure (6) with backup pad (5) are connected, lifting structure (6) are used for the drive backup pad (5) go up and down.

7. The rice cultivating apparatus as claimed in claim 6, further comprising:

a plurality of third pipes (23) which are respectively arranged at the bottoms of the seedling raising grooves (2), and the third pipes (23) are communicated with the seedling raising grooves (2);

a second pipe (22) with two ends closed, wherein one end of the plurality of third pipes (23) deviating from the seedling raising groove (2) is communicated with the second pipe (22);

the second valve (51) is arranged at the bottom of the second pipe (22), a cavity (52) is formed at the bottom of the second valve (51) and the bottom of the supporting plate (5), and the cavity (52) is used for containing liquid flowing down by the second valve (51).

8. A rice cultivating apparatus as claimed in claim 7, wherein a sterilizing structure is provided in the cavity (52) for sterilizing the liquid in the cavity (52).

9. The rice cultivating apparatus as claimed in claim 7, further comprising:

a drain pipe (53), one end of which is communicated with the bottom of the cavity (52), the other end of which is communicated with the bottom of the liquid storage tank (3), and a filter screen is arranged at one end of the drain pipe (53) communicated with the cavity (52);

the pump body is arranged in the cavity (52), and the output end of the pump body is communicated with the drain pipe (53);

the guide cylinder (54) is conical, one end of the guide cylinder (54) with a small diameter is connected with the drain pipe (53), and one end of the guide cylinder (54) with a large diameter is connected with the inner wall of the cavity (52).