Automatic seedling raising device and method based on intelligent agriculture

Abstract

The invention relates to the technical field of indoor seedling raising, and provides an automatic seedling raising device based on intelligent agriculture, which comprises a first automatic rotating part, a second automatic rotating part, a seedling raising tray, a liquid medicine spraying system, a driving module, a transmission adjusting mechanism and an arc-shaped tooth frame, on one hand, cultivation objects in the seed germination or seedling stage can be supplemented with water or sterilized and disinfected by controlling the rotating bent pipe to swing with the fourth transmission gear as the axis, and on the other hand, the rotating bent pipe can be controlled to swing with the fourth transmission gear as the axis; the seedling raising disc can be controlled to swing with the center shaft and the arc-shaped shell as the axis, and the spray valve can evenly spray water or pesticide on the surfaces of leaves and stalks of cultivated objects at the seedling stage with high cultivation density from multiple angles; the problems of root rot or dead angles of disease and pest control caused by improper watering mode and improper pesticide spraying mode are solved, and the automatic seedling raising device has the advantages of being high in seedling raising automation degree and high in seedling raising quality.

Description

Technical Field

[0001] The present invention relates to the technical field of indoor seedling cultivation, and in particular to an automated seedling cultivation device and method based on smart agriculture. Background Art

[0002] Patent No. CN117044533B discloses a smart agricultural seedling system, including a box body, a sliding plate slidably connected to the box body, a seedling pot is arranged above the sliding plate, a support block is arranged inside the box body, a motion component for transmitting power is slidably connected above the support block, a bottom plate is fixedly connected below the support block, a cleaning component for cleaning waste soil is arranged below the bottom plate, auxiliary components for sterilizing the inside of the box body and the surface of the seedling pot are arranged on both sides of the box body, an adjustment component for intermittently contacting the seedlings inside the seedling pot with culture solution is arranged above the sliding plate, the push handle drives the swing block to rotate around the pin shaft on the upper end of the matching plate, and the rear power spring pushes the sliding plate above the push plate to slide inside the box body, and the seedling pot above the sliding plate is sent out, which is convenient for personnel to take seedlings and plant, and the cleaning gas is fully sprayed to the inside of the box body and the surface of the seedling pot through the air outlet plate, so as to prevent the occurrence of pathogens and improve the survival rate of seedlings.

[0003] Since the nursery bed plays an important role in the seedling cultivation process, the above technical scheme will encounter the following problems in actual use: when the water replenishment or disease and pest control method of the cultivation object (seedlings) in the seed germination stage or seedling stage and the water replenishment or disease and pest control method in the seedling stage both adopt the traditional direct spraying water or spraying method, due to the large growth density of seedlings in the seedling stage, the agent cannot be evenly contacted with the leaves and stems, resulting in incomplete disease and pest control or dead corners of spraying, and water cannot effectively penetrate the leaves and stems into the soil. When watering is used to replenish water, local root rot or drought is prone to occur. Summary of the invention

[0004] The purpose of the present invention is to provide an automated seedling raising device and method based on smart agriculture, aiming to solve the problems existing when using the existing smart agriculture seedling raising system.

[0005] To achieve the above object, the present invention provides the following technical solution: an automated seedling raising device based on smart agriculture, comprising: a seedling raising box, in which a fill light module, a temperature and humidity monitoring module and a control module are installed, and the fill light module and the temperature and humidity monitoring module are both communicatively connected with the control module, and further comprising:

[0006] The first automatic rotating part comprises a frame, a central shaft, a first transmission gear, an arc-shaped housing, a second transmission gear, a transmission rod and a third transmission gear, the frame and the first transmission gear are both fixedly connected to the central shaft, the arc-shaped housing is fixedly connected to the frame, the second transmission gear and the third transmission gear are both fixedly connected to the transmission rod, and the;

[0007] An arc-shaped gear rack is fixedly connected to the inner wall of the seedling box, and the second transmission gear is transmission-connected to the arc-shaped gear rack;

[0008] A second automatic rotating part, the second automatic rotating part comprises a tray, an arc-shaped plate and meshing teeth, the bottom of the tray is fixedly connected to the arc-shaped plate, the surface of the arc-shaped plate is provided with meshing teeth, the third transmission gear is transmission-connected to the meshing teeth, and the arc-shaped plate is slidably connected in the arc-shaped housing;

[0009] A seedling tray placed on top of the tray;

[0010] A medicine spraying system, the medicine spraying system comprises a liquid pump, a delivery main pipe, a branch pipe, a rotating elbow pipe, a spray valve and a fourth transmission gear, the liquid pump is fixedly connected to the outside of the seedling box, the delivery main pipe is fixedly connected to the liquid pump, the branch pipe is fixedly connected to the delivery main pipe, the spray valve and the fourth transmission gear are both fixedly connected to the rotating elbow pipe, the rotating elbow pipe is rotatably connected in the branch pipe, and the liquid pump is connected to the water supply pipeline and the medicine pipeline;

[0011] A driving module drivingly connected to the fourth transmission gear, wherein the driving module is connected to the seedling box;

[0012] The transmission adjustment mechanism includes a telescopic member, a longitudinal frame, a Z-shaped frame and a transmission part. The telescopic member is fixedly connected between the seedling box and the longitudinal frame. The Z-shaped frame is fixedly connected to the longitudinal frame. The transmission part is connected to the Z-shaped frame. The transmission part is transmission-connected between the fourth transmission gear and the first transmission gear.

[0013] An automated seedling raising method based on smart agriculture, comprising:

[0014] S100, using the control module to control the fill light module to adjust the lighting parameters in the seedling box, and using the temperature and humidity monitoring module to monitor the temperature and humidity parameters in the seedling box;

[0015] S200, when it is necessary to supplement water for the cultivated object in the seed germination or seedling stage, the control module is used to control the liquid pump to be connected to the water supply pipeline, the control module is used to control the telescopic member, the liquid pump and the drive module to start, the telescopic member is used to drive the transmission part to disengage from the fourth transmission gear and the first transmission gear, the drive module and the fourth transmission gear are used to control the rotating elbow to swing around the fourth transmission gear as the axis, and the swinging rotating elbow uses the spray valve to spray water to the culture soil or seedlings in the seedling tray;

[0016] S300. When it is necessary to spray pesticides or control pests on the cultivated objects in the seedling stage, the control module is used to control the liquid pump to be connected to the pesticide pipeline, the control module is used to control the telescopic part, the liquid pump and the drive module to start, the telescopic part is used to drive the transmission part to be connected to the fourth transmission gear and the first transmission gear, the drive module and the fourth transmission gear are used to control the rotating bent pipe, the skeleton, the tray and the seedling tray to swing around the fourth transmission gear as the axis, the second transmission gear is connected to the arc gear rack to control the tray and the seedling tray to swing around the arc shell as the axis, and the spray valve is used to evenly spray the pesticide on the leaf surface and stem surface of the cultivated objects in the seedling stage, so as to improve the degree of automation and the quality of seedling cultivation.

[0017] The beneficial effects of the present invention are as follows: by independently controlling the rotating bent pipe to swing at ±30 degrees with the fourth transmission gear as the axis, the cultivated objects in the seed germination or seedling stage are replenished with water or sterilized and disinfected, and utilizing the telescopic member to drive the fifth transmission gear to be connected with the fourth transmission gear and the first transmission gear. This can not only control the rotating bent pipe to swing at ±30 degrees with the fourth transmission gear as the axis, but also control the seedling tray to swing at ±30 degrees with the center axis and the arc-shaped shell as the axis at the same time, so that the spray valve can evenly spray water or chemicals on the leaf and stem surfaces of the cultivated objects in the seedling stage with a high planting density from multiple angles, thereby solving the problem of root rot or dead corners in pest and disease control caused by improper watering methods and improper chemical spraying methods, and has the characteristics of high automation and high quality of seedling cultivation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a stereoscopic diagram of an automated seedling raising device based on smart agriculture according to the present invention.

[0019] Figure 2 This is an exploded diagram of an automated seedling raising device based on smart agriculture according to the present invention.

[0020] Figure 3 It is a stereoscopic diagram of a seedling raising box according to an embodiment of the present invention.

[0021] Figure 4 It is a three-dimensional diagram of the first automatic rotating part of an embodiment of the present invention.

[0022] Figure 5 It is a three-dimensional diagram of the second automatic rotating part of an embodiment of the present invention.

[0023] Figure 6 It is a stereoscopic view of a seedling tray according to an embodiment of the present invention.

[0024] Figure 7 It is an assembly diagram of the second automatic rotating part and the seedling tray according to an embodiment of the present invention.

[0025] Figure 8 It is an assembly diagram of the first automatic rotating part, the second automatic rotating part and the seedling tray according to an embodiment of the present invention.

[0026] Fig. 9 The figure is a three-dimensional diagram of a medicine spraying system according to an embodiment of the present invention.

[0027] Fig.10 It is an assembly diagram of the medicine spraying system and the driving module in the embodiment of the present invention.

[0028] Fig.11 It is a three-dimensional diagram of the transmission adjustment mechanism according to an embodiment of the present invention.

[0029] Fig.12 It is a schematic diagram of the present invention for disassembling and assembling a seedling tray.

[0030] Fig.13 This is a first cross-sectional view of an automated seedling raising device based on smart agriculture according to the present invention.

[0031] Fig.14 For the present invention Fig.13 A partial enlarged view of the .

[0032] Fig.15 This is a second cross-sectional view of an automated seedling raising device based on smart agriculture according to the present invention.

[0033] Fig.16 This is the third cross-sectional view of an automated seedling raising device based on smart agriculture according to the present invention.

[0034] Fig.17 This is a front view of an automated seedling raising device based on smart agriculture according to the present invention.

[0035] Fig.18 It is a side sectional view of an automated seedling raising device based on smart agriculture of the present invention.

[0036] Fig.19 This is a rear view of an automated seedling raising device based on smart agriculture according to the present invention.

[0037] Figure numerals: 1-seedling box, 11-fill light module, 12-temperature and humidity monitoring module, 13-arc gear rack, 14-fixed frame, 15-mounting hole, 16-control module, 2-first automatic rotating part, 21-skeleton, 22-central axis, 23-first transmission gear, 24-arc housing, 25-second transmission gear, 26-transmission rod, 27-third transmission gear, 3-second automatic rotating part, 31-tray, 32-arc plate, 33-meshing teeth, 34-locking member, 341-L-shaped rod, 342-wedge block, 343-limit rod, 344-reset spring, 4-seedling tray, 41-boss, 42-limit hole, 5-medicine spraying system, 51-liquid pump, 52-delivery main pipe, 53-branch pipe, 54-rotating elbow, 55-spray valve, 56-fourth transmission gear, 6-drive module, 61-drive motor, 62-drive gear, 63-drive belt, 7-transmission adjustment mechanism, 71-telescopic member, 72-longitudinal frame, 73-Z-shaped frame, 731-pressing block, 74-transmission part, 741-fifth transmission gear, 742-rotating pin. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0039] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0040] See also Figures 1 to 19 In one embodiment of the present invention, an automated seedling raising device based on smart agriculture includes a seedling raising box 1, in which a fill light module 11, a temperature and humidity monitoring module 12 and a control module 16 are installed, and the fill light module 11 and the temperature and humidity monitoring module 12 are both connected to the control module 16 for communication, and further includes:

[0041] The first automatic rotating part 2 comprises a skeleton 21, a central shaft 22, a first transmission gear 23, an arc-shaped housing 24, a second transmission gear 25, a transmission rod 26 and a third transmission gear 27. The skeleton 21 and the first transmission gear 23 are fixedly connected to the central shaft 22, the arc-shaped housing 24 is fixedly connected to the skeleton 21, the second transmission gear 25 and the third transmission gear 27 are fixedly connected to the transmission rod 26, and the;

[0042] The arc-shaped gear rack 13 is fixedly connected to the inner wall of the seedling box 1, and the second transmission gear 25 is transmission-connected to the arc-shaped gear rack 13;

[0043] The second automatic rotating part 3 includes a tray 31, an arc plate 32 and meshing teeth 33. The bottom of the tray 31 is fixedly connected to the arc plate 32. The surface of the arc plate 32 is provided with meshing teeth 33. The third transmission gear 27 is transmission-connected to the meshing teeth 33. The arc plate 32 is slidably connected in the arc housing 24.

[0044] A seedling tray 4 placed above the tray 31;

[0045] The medicine spraying system 5 includes a liquid pump 51, a main delivery pipe 52, a branch pipe 53, a rotating elbow pipe 54, a spray valve 55 and a fourth transmission gear 56. The liquid pump 51 is fixedly connected to the outside of the seedling box 1, the main delivery pipe 52 is fixedly connected to the liquid pump 51, the branch pipe 53 is fixedly connected to the main delivery pipe 52, the spray valve 55 and the fourth transmission gear 56 are both fixedly connected to the rotating elbow pipe 54, and the rotating elbow pipe 54 is rotatably connected in the branch pipe 53;

[0046] A driving module 6 drivingly connected to the fourth transmission gear 56, wherein the driving module 6 is connected to the seedling box 1;

[0047] The transmission adjustment mechanism 7 includes a telescopic member 71, a longitudinal frame 72, a Z-shaped frame 73 and a transmission part 74. The telescopic member 71 is fixedly connected between the seedling box 1 and the longitudinal frame 72. The Z-shaped frame 73 is fixedly connected to the longitudinal frame 72. The transmission part 74 is connected to the Z-shaped frame 73. The transmission part 74 is transmission-connected between the fourth transmission gear 56 and the first transmission gear 23. The telescopic member 71 is an electric telescopic rod.

[0048] Please refer to the figure Figures 14 to 16 Furthermore, the central axis 22 and the axis of the fourth transmission gear 56 are consistent, and the skeleton 21 and the tray 31 rotate ±30 degrees about the central axis 22 and the arc-shaped shell 24 respectively.

[0049] See also Fig.10 Furthermore, the driving module 6 includes a driving motor 61, a driving gear 62 and a transmission belt 63. The driving motor 61 is fixedly connected to the seedling box 1, the driving gear 62 is connected to the driving motor 61, and the transmission belt 63 is transmission-connected between the second transmission gear 25 and the driving gear 62.

[0050] See also Fig.11 and Fig.14 Furthermore, the transmission part 74 includes a fifth transmission gear 741 and a rotating pin 742, the fifth transmission gear 741 is fixedly connected to the rotating pin 742, the rotating pin 742 is rotatably connected to the surface of the Z-shaped frame 73, and the fifth transmission gear 741 is transmission-connected between the fourth transmission gear 56 and the first transmission gear 23.

[0051] See also Figure 3 , Fig.14 and 19 Further, the inner wall of the seedling box 1 is fixedly connected with a fixing frame 14, the surface of the seedling box 1 is provided with a mounting hole 15, the central axis 22 is rotatably connected with the fixing frame 14, and the longitudinal frame 72 is slidably connected in the mounting hole 15

[0052] In an embodiment of the present invention, the surface of the second transmission gear 25 is provided with spur teeth and helical teeth, the transmission belt 63 is meshed with the spur teeth, the fifth transmission gear 741 is meshed with the helical teeth, the liquid pump 51 is connected to the water supply pipeline and the medicine pipeline, and control valves are provided between the liquid pump 51 and the water supply pipeline and between the liquid pump 51 and the medicine pipeline, and the control module 16 is used to open or close the control valve.

[0053] See also Figure 5 , Figure 7 and Fig.14 In one embodiment of the present invention, the second automatic rotating part 3 also includes a locking member 34, and the locking member 34 includes an L-shaped rod 341, a wedge block 342, a limiting rod 343 and a return spring 344. The L-shaped rod 341 is fixedly connected to the limiting rod 343, and the limiting rod 343 is slidably connected to the side wall of the tray 31. The return spring 344 is connected between the L-shaped rod 341 and the tray 31, and a wedge block 342 is provided at the end of the L-shaped rod 341.

[0054] See also Figure 6 and Figure 7 Furthermore, a boss 41 is fixedly connected to the side wall of the tray 31 , a limiting hole 42 is provided on the surface of the boss 41 , and the limiting rod 343 is plug-engaged with the limiting hole 42 .

[0055] See also Fig.11 Furthermore, the transmission adjustment mechanism 7 also includes a pressing block 731, and a pressing block 731 is provided at the end of the Z-shaped frame 73.

[0056] In the embodiment of the present invention, when the telescopic member 71 drives the transmission part 74 to be connected between the fourth transmission gear 56 and the first transmission gear 23, the pressure block 731 is located above the wedge block 342, and the limiting rod 343 is located in the limiting hole 42; when the telescopic member 71 drives the transmission part 74 to disengage from the fourth transmission gear 56 and the first transmission gear 23, the pressure block 731 contacts the surface of the wedge block 342, and the limiting rod 343 disengages from the limiting hole 42.

[0057] An automated seedling raising method based on smart agriculture, comprising:

[0058] S100, put the seedling tray 4 into the tray 31, and then push the seedling tray 4 toward the inside of the seedling box 1, the boss 41 drives the L-shaped rod 341 to move away from the boss 41 by sliding contact with the inclined surface of the limit rod 343, until the limit hole 42 on the surface of the boss 41 is aligned with the limit rod 343, and the elastic force of the return spring 344 drives the limit rod 343 to insert into the limit hole 42;

[0059] S200, using the control module 16 to control the fill light module 11 to adjust the lighting parameters in the seedling box 1, using the temperature and humidity monitoring module 12 to monitor the temperature and humidity parameters in the seedling box 1, in the initial state, the rotating elbow 54 is distributed in the middle position above the seedling tray 4;

[0060] S300, when it is necessary to replenish water or sterilize the cultivated objects in the seed germination or seedling stage, the control module 16 is used to control the liquid pump 51 to be connected to the water supply pipeline or the agent, and the control module 16 is used to control the telescopic member 71, the liquid pump 51 and the drive module 6 to start, and the telescopic member 71 drives the longitudinal frame 72, the Z-shaped frame 73, the pressing block 731 and the transmission part 74 to move downward, which is used to control the fifth transmission gear 741 to disengage from the fourth transmission gear 56 and the first transmission gear 23. It should be noted that at this time, the limit rod 343 is disengaged from the limit hole 42, and the drive module 6 and the fourth transmission gear 56 are connected in a transmission manner to control the rotating elbow 54 to swing with the fourth transmission gear 56 as the axis ±30 degrees. The swinging rotating elbow 54 uses the spray valve 55 to spray water or fungicide to the culture soil or seedlings in the seedling tray 4, so as to replenish water and sterilize the cultivated objects in the seed germination or seedling stage;

[0061] S400, see attached Fig.15 and 16When it is necessary to replenish water, spray pesticides or prevent and control pests for the cultivated objects in the seedling stage, the control module 16 is used to control the liquid pump 51 to be connected to the pesticide pipeline, the control module 16 is used to control the telescopic member 71, the liquid pump 51 and the driving module 6 to start, the telescopic member 71 is used to drive the fifth transmission gear 741 to be connected to the fourth transmission gear 56 and the first transmission gear 23, and the driving module 6 and the fourth transmission gear 56 are used to control the rotating elbow 54 to swing with the fourth transmission gear 56 as the axis ±30 degrees, and the rotating fourth transmission gear 56 drives the skeleton 21, the tray 31 and the seedling tray 4 to swing with the central axis 22 or the fourth transmission gear 56 through the fifth transmission gear 741 and the first transmission gear 23 at the same time. The transmission gear 56 swings at ±30 degrees along the axis. The swinging skeleton 21 drives the transmission rod 26 and the third transmission gear 27 to rotate by means of the transmission connection between the second transmission gear 25 and the arc-shaped gear rack 13. The rotating third transmission gear 27 drives the tray 31 and the seedling tray 4 to swing at ±30 degrees along the arc-shaped shell 24 as the axis by means of the transmission connection with the meshing teeth 33. At this time, the spray valve 55 can evenly spray water or medicine on the leaf surface and stem surface of the cultivated object in the seedling stage with a high planting density from multiple angles, solving the problem of root rot or dead corners in pest control caused by improper watering methods and improper medicine spraying methods, thereby improving the automation degree and quality of seedling cultivation.

[0062] S500. When the mature seedlings in the seedling tray 4 need to be transplanted outdoors, the control module 16 is used to control the telescopic member 71 to drive the longitudinal frame 72, the Z-shaped frame 73, the pressure block 731 and the transmission part 74 to move downward. The moving pressure block 731 drives the L-shaped rod 341 to move by sliding contact with the wedge block 342. When the fifth transmission gear 741 is disengaged from the fourth transmission gear 56, the limit rod 343 is disengaged from the limit hole 42. At this time, the seedling tray 4 can be directly taken out.

[0063] In summary, by utilizing the structural design that cooperates with each other among the first automatic rotating part 2, the second automatic rotating part 3, the seedling tray 4, the medicine spraying system 5, the driving module, the transmission adjustment mechanism 7 and the arc-shaped gear rack 13, on the one hand, it is possible to supplement water or sterilize the cultivated objects at the seed germination or seedling stage by controlling the rotating elbow 54 to swing with the fourth transmission gear 56 as the axis by ±30 degrees; on the other hand, when it is necessary to supplement water or sterilize the cultivated objects at the seed germination or seedling stage, the telescopic member 71 is used to drive the fifth transmission gear 741 and the fourth transmission gear 74 to move. The operation of transmission connection between 56 and the first transmission gear 23 can not only control the rotating bent pipe 54 to swing with the fourth transmission gear 56 as the axis ±30 degrees, but also control the seedling tray 4 to swing with the central axis 22 and the arc-shaped shell 24 as the axis ±30 degrees. The spray valve 55 can spray water or chemicals evenly on the leaf and stem surfaces of the cultivated objects in the seedling stage with a high planting density from multiple angles, solving the problem of root rot or dead corners in pest control caused by improper watering and improper spraying of chemicals, and has the characteristics of high automation and high quality of seedling cultivation.

[0064] For those skilled in the art, although several embodiments and examples of the present invention have been described, these embodiments and examples are provided as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the scope of the main purpose of the invention.

[0065] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automated seedling raising device based on smart agriculture, comprising a seedling raising box (1), wherein a fill light module (11), a temperature and humidity monitoring module (12) and a control module (16) are installed in the seedling raising box (1), wherein the fill light module (11) and the temperature and humidity monitoring module (12) are both communicatively connected to the control module (16), and characterized in that: Also includes: A first automatic rotating part (2), the first automatic rotating part (2) comprising a frame (21), a central shaft (22), a first transmission gear (23), an arc-shaped housing (24), a second transmission gear (25), a transmission rod (26) and a third transmission gear (27), the frame (21) and the first transmission gear (23) are both fixedly connected to the central shaft (22), the arc-shaped housing (24) is fixedly connected to the frame (21), the second transmission gear (25) and the third transmission gear (27) are both fixedly connected to the transmission rod (26), and; An arc-shaped gear rack (13) is fixedly connected to the inner wall of the seedling box (1), and the second transmission gear (25) is transmission-connected to the arc-shaped gear rack (13); A second automatic rotating part (3), the second automatic rotating part (3) comprising a tray (31), an arc-shaped plate (32) and meshing teeth (33), the bottom of the tray (31) is fixedly connected to the arc-shaped plate (32), the surface of the arc-shaped plate (32) is provided with meshing teeth (33), the third transmission gear (27) is transmission-connected to the meshing teeth (33), and the arc-shaped plate (32) is slidably connected in the arc-shaped housing (24); A seedling tray (4) placed above the tray (31); A liquid medicine spraying system (5), the liquid medicine spraying system (5) comprising a liquid pump (51), a main delivery pipe (52), a branch pipe (53), a rotating elbow pipe (54), a spray valve (55) and a fourth transmission gear (56); the liquid pump (51) is fixedly connected to the outside of the seedling box (1); the main delivery pipe (52) is fixedly connected to the liquid pump (51); the branch pipe (53) is fixedly connected to the main delivery pipe (52); the spray valve (55) and the fourth transmission gear (56) are both fixedly connected to the rotating elbow pipe (54); the rotating elbow pipe (54) is rotatably connected in the branch pipe (53); and the liquid pump (51) is connected to a water supply pipeline and a medicine pipeline; A driving module (6) drivingly connected to the fourth transmission gear (56), wherein the driving module (6) is connected to the seedling box (1); A transmission adjustment mechanism (7), the transmission adjustment mechanism (7) comprising a telescopic member (71), a longitudinal frame (72), a Z-shaped frame (73) and a transmission part (74), the telescopic member (71) being fixedly connected between the seedling raising box (1) and the longitudinal frame (72), the Z-shaped frame (73) being fixedly connected to the longitudinal frame (72), the transmission part (74) being connected to the Z-shaped frame (73), and the transmission part (74) being transmission-connected between a fourth transmission gear (56) and a first transmission gear (23).

2. The automated seedling raising device based on smart agriculture according to claim 1, characterized in that: The second automatic rotating part (3) also includes a locking member (34), and the locking member (34) includes an L-shaped rod (341), a wedge block (342), a limiting rod (343) and a return spring (344), the L-shaped rod (341) is fixedly connected to the limiting rod (343), the limiting rod (343) is slidably connected to the side wall of the tray (31), the return spring (344) is connected between the L-shaped rod (341) and the tray (31), and a wedge block (342) is provided at the end of the L-shaped rod (341).

3. The automatic seedling raising device based on smart agriculture according to claim 2 is characterized in that: A boss (41) is fixedly connected to the side wall of the tray (31), a limiting hole (42) is provided on the surface of the boss (41), and the limiting rod (343) is plug-engaged with the limiting hole (42).

4. The automated seedling raising device based on smart agriculture according to claim 3, characterized in that: The transmission adjustment mechanism (7) further comprises a pressure block (731), and the pressure block (731) is arranged at the end of the Z-shaped frame (73); when the telescopic member (71) drives the transmission part (74) to be transmission-connected between the fourth transmission gear (56) and the first transmission gear (23), the pressure block (731) is located above the wedge block (342), and the limiting rod (343) is located in the limiting hole (42); when the telescopic member (71) drives the transmission part (74) to disengage from the fourth transmission gear (56) and the first transmission gear (23), the pressure block (731) contacts the surface of the wedge block (342), and the limiting rod (343) disengages from the limiting hole (42).

5. The automatic seedling raising device based on smart agriculture according to claim 1, characterized in that: The central axis (22) and the axis of the fourth transmission gear (56) are consistent, and the frame (21) and the tray (31) rotate ±30 degrees about the central axis (22) and the arc-shaped shell (24) respectively.

6. The automatic seedling raising device based on smart agriculture according to claim 4 is characterized in that: The driving module (6) comprises a driving motor (61), a driving gear (62) and a transmission belt (63); the driving motor (61) is fixedly connected to the seedling box (1); the driving gear (62) is connected to the driving motor (61); and the transmission belt (63) is transmission-connected between the second transmission gear (25) and the driving gear (62).

7. The automatic seedling raising device based on smart agriculture according to claim 6, characterized in that: The transmission part (74) comprises a fifth transmission gear (741) and a rotating pin (742); the fifth transmission gear (741) is fixedly connected to the rotating pin (742); the rotating pin (742) is rotatably connected to the surface of the Z-shaped frame (73); and the fifth transmission gear (741) is transmission-connected between the fourth transmission gear (56) and the first transmission gear (23).

8. The automatic seedling raising device based on smart agriculture according to claim 7, characterized in that: The surface of the second transmission gear (25) is provided with spur teeth and helical teeth, the transmission belt (63) is meshed with the spur teeth, and the fifth transmission gear (741) is meshed with the helical teeth.

9. The automatic seedling raising device based on smart agriculture according to claim 6, characterized in that: The inner wall of the seedling raising box (1) is fixedly connected with a fixing frame (14), the surface of the seedling raising box (1) is provided with a mounting hole (15), the central axis (22) is rotatably connected with the fixing frame (14), and the longitudinal frame (72) is slidably connected in the mounting hole (15).

10. An automated seedling raising method based on smart agriculture, applied to an automated seedling raising device based on smart agriculture as claimed in any of claims 1 to 9, characterized in that: include: S100, using the control module (16) to control the supplementary light module (11) to adjust the lighting parameters in the seedling raising box (1), and using the temperature and humidity monitoring module (12) to monitor the temperature and humidity parameters in the seedling raising box (1); S200, when it is necessary to supplement water for the cultivated object in the seed germination or seedling stage, the control module (16) is used to control the liquid pump (51) to be connected to the water supply pipeline, the control module (16) is used to control the telescopic member (71), the liquid pump (51) and the drive module (6) to start, the telescopic member (71) is used to drive the transmission part (74) to disengage from the fourth transmission gear (56) and the first transmission gear (23), the drive module (6) and the fourth transmission gear (56) are used to control the rotating curved pipe (54) to swing around the fourth transmission gear (56) as the axis, and the swinging rotating curved pipe (54) uses the spray valve (55) to spray water onto the culture soil or seedlings in the seedling tray (4); S300, when it is necessary to spray pesticides or control pests on the cultivated objects in the seedling stage, the control module (16) is used to control the liquid pump (51) to be connected to the pesticide pipeline, the control module (16) is used to control the telescopic member (71), the liquid pump (51) and the drive module (6) to start, the telescopic member (71) is used to drive the transmission part (74) to be connected to the fourth transmission gear (56) and the first transmission gear (23), the drive module (6) and the fourth transmission gear (56) are used to control the rotating curved pipe (54), the frame (21), the tray (31) and the seedling tray (4) to swing around the fourth transmission gear (56) as the axis, the second transmission gear (25) is used to be connected to the arc gear rack (13) to control the tray (31) and the seedling tray (4) to swing around the arc shell (24) as the axis, and the spray valve (55) is used to evenly spray the pesticide on the leaf surface and stem surface of the cultivated objects in the seedling stage, so as to improve the automation degree and seedling quality of seedling cultivation.

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