Watermelon seed germination device

Abstract

The utility model belongs to the technical field of watermelon cultivation, and particularly relates to a watermelon seed germination device which comprises a device body, the device body comprises a controller and a germination box, a partition plate is arranged in the germination box, a germination accelerating cavity is formed in the upper portion of the partition plate, and a soaking cavity is formed in the lower portion of the partition plate; a temperature control unit, a humidity control unit and an illumination unit are arranged in the germination accelerating cavity, a supporting column is arranged in the middle of the germination accelerating cavity, fixing substrates are arranged on the two sides of the supporting column, a germination accelerating assembly is arranged above the fixing substrates, and the germination accelerating assembly comprises a germination accelerating disc, a first felt pad and a second felt pad; a soaking tank and a soaking disc are arranged in the soaking cavity, the soaking disc is connected with the lifting assembly, and a stirring assembly is arranged at the bottom of the soaking tank; the watermelon seed germination device is simple in structure, seed soaking and germination accelerating of seeds are integrated in one device, intelligent operation of seed soaking, constant temperature and humidity, liquid medicine mixing and germination accelerating is achieved under the control of the controller, the working intensity is greatly reduced, and the germination efficiency of the seeds is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of watermelon cultivation, and particularly relates to a watermelon seed germination device. Background Art

[0002] Seed germination refers to a series of orderly physiological processes and morphogenetic processes starting from imbibition. The germination time of watermelon seeds is generally about one week. During this process, relevant staff not only need to control the temperature and humidity, but also need to soak the watermelon seeds for germination acceleration.

[0003] The existing germination acceleration method is as follows: The soaked watermelon seeds are laid flat on a wet towel, and then an appropriate layer of wet towel is covered on it and placed in a box for germination acceleration. During this process, the temperature and humidity inside the box cannot be mastered in real time, and the germination efficiency is low. Content of the Utility Model

[0004] Aiming at the above deficiencies of the existing technology, the utility model provides a watermelon seed germination device, which solves the problems of low germination rate of existing watermelon seeds and inability to master the temperature and humidity inside the box in real time.

[0005] To achieve the above object, the technical solution adopted by the utility model is as follows:

[0006] Provide a watermelon seed germination device, including a device body. The device body includes a controller and a germination box electrically connected to the controller. A partition board is arranged inside the germination box. A germination acceleration cavity is arranged above the partition board, and a soaking cavity is arranged below it;

[0007] A temperature control unit, a humidity control unit and a lighting unit are arranged in the germination acceleration cavity. A support column is arranged in the middle of it. Fixed substrates are arranged on both sides of the support column. A germination acceleration component is arranged above the fixed substrates. The germination acceleration component includes a germination acceleration tray. A first felt pad and a second felt pad stacked on each other are arranged inside the germination acceleration tray. A number of placement holes are arranged on the first felt pad; A water receiving tray is arranged at the bottom of the germination acceleration tray, and first water outlets are arranged at the four corners of the water receiving tray;

[0008] A soaking tank and a soaking tray arranged in the soaking tank are arranged in the soaking cavity. The soaking tray is connected to a lifting component, and a stirring component is arranged at the bottom of the soaking tank;

[0009] The temperature control unit, the humidity control unit, the lighting unit, the lifting component and the stirring component are all connected to the controller.

[0010] The beneficial effect of adopting the above technical solution is that: The partition board divides the inside of the germination box into a germination acceleration cavity and a soaking cavity. Through the soaking cavity, large-batch seed soaking and germination acceleration operations of seeds can be realized inside the germination box, effectively improving the germination acceleration efficiency and time of watermelon seeds.

[0011] When seed soaking operation is required, first prepare the soaking liquid with an appropriate ratio in the soaking tank, place the seeds in the soaking tank, and under the action of the lifting assembly, the automatic lifting function of the soaking tank can be realized; after soaking, transfer the seeds to the germination tray in the germination chamber, and the germination tray is provided with a stacked first felt pad and a second felt pad. By placing the seeds in the placement holes of the first felt pad, excessive stacking between seeds can be avoided. At the same time, through the capillary action of the felt pad, the humidity of the seeds can be maintained, water evaporation can be reduced, and thus the germination rate of the seeds can be improved; in addition, through the coordinated action between the controller and the temperature control unit, humidity control unit and lighting unit arranged in the germination chamber, the temperature, humidity and lighting conditions in the germination chamber can be automatically adjusted, effectively reducing the manual work intensity and improving the germination rate of the seeds.

[0012] Further, the temperature control unit includes a temperature sensor arranged at the top of the germination chamber and a temperature control assembly. The temperature control assembly includes a heater and an exhaust fan. The heater is connected to the air inlet through a pipeline, and the exhaust fan is connected to the air outlet through a pipeline. Both the air inlet and the air outlet are arranged at the top end of the germination chamber.

[0013] The beneficial effect of adopting the above technical solution is that when the temperature sensor senses that the temperature in the germination chamber is lower or higher than the set temperature required for seed germination, the heater or the exhaust fan can be turned on through the controller. The exhaust fan can extract the cold air in the germination chamber, and the heater can deliver hot air into the germination chamber through the air inlet, so as to realize constant-temperature germination in the germination chamber and improve the germination efficiency.

[0014] Further, the air inlet is connected to an oxygen generator, and the oxygen generator is arranged on one side of the heater.

[0015] The beneficial effect of adopting the above technical solution is that the oxygen generator can deliver oxygen into the germination chamber to improve the germination rate of the seeds.

[0016] Further, the humidity control unit includes a humidity sensor arranged at the top of the inner wall of the germination chamber and a humidity control assembly. The humidity control assembly includes a water storage tank and a number of water outlet trays connected to the water storage tank through pipelines. A number of atomizing nozzles are arranged on the number of water outlet trays; a flow regulating assembly and a first electromagnetic valve are arranged between the number of water outlet trays and the pipeline, and the first electromagnetic valve is electrically connected to the controller.

[0017] The beneficial effect of adopting the above technical solution is that when the humidity sensor detects that the humidity in the germination chamber is insufficient, the controller can control the first electromagnetic valve to open, the water in the water storage tank is transported to the water outlet tray through the pipeline, and the germination tray is sprayed through the atomizing nozzles on the water outlet tray, so as to ensure the humidity of the seeds and improve the germination efficiency; and the flow of the spray can be adjusted through the flow regulating assembly to avoid excessive water output and reduce the germination rate.

[0018] Further, the flow rate regulating component includes a flow sensor, a first driver, and a blocking component connected to the first driver; the blocking component includes a telescopic rod, a connecting rod, and a baffle. The baffle is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the telescopic rod, and the other end of the telescopic rod is connected to the output end of the first driver; the first driver and the flow sensor are electrically connected to the controller, and the flow sensor is arranged inside the pipeline.

[0019] The beneficial effects of adopting the above technical solution are as follows: The flow sensor arranged in the pipeline can sense the water flow rate. When it is necessary to adjust the water flow rate of the sprayed water, the first driver can be controlled to start through the controller. The first driver drives the telescopic rod to expand and contract, and the telescopic rod drives the baffle fixedly connected through the connecting rod to move and expand and contract, so as to control the water flow rate inside the pipeline and achieve the control of the spraying flow rate.

[0020] Further, the lighting unit includes ultraviolet lamps and constant temperature lamps arranged on both sides of the germination chamber.

[0021] The beneficial effects of adopting the above technical solution are as follows: The ultraviolet lamps and the constant temperature lamps are arranged side by side on both sides inside the germination chamber. The constant temperature lamps can provide sufficient light for the germination chamber and at the same time are conducive to controlling the temperature inside the chamber; while the ultraviolet lamps can be used to kill the bacteria growing on the felt pad to improve the germination rate.

[0022] Further, the stirring component includes a second driver and a stirring rod connected to the output end of the second driver, and stirring blades are arranged on the stirring rod.

[0023] The beneficial effects of adopting the above technical solution are as follows: The second driver can drive the stirring rod and the stirring blades to rotate, mix the liquid medicine in the soaking tank, improve the uniformity of the liquid medicine, and ensure the germination rate.

[0024] Further, the lifting component includes third drivers arranged on both sides of the soaking chamber and vertical threaded rods connected to the output ends of the third drivers. Fixing blocks are arranged on the vertical threaded rods, the fixing blocks are connected to the placing rack, and soaking trays are arranged on the placing rack.

[0025] The beneficial effects of adopting the above technical solution are as follows: Through the lifting component, the soaking trays can be driven to automatically lift in the soaking tank. The third driver can drive the vertical screw rod to rotate, and then drive the fixing blocks threadedly connected to the vertical threaded rod to move up and down on the vertical threaded rod, so as to drive the placing rack and the soaking trays on the placing rack to move up and down, greatly improving the working efficiency.

[0026] Further, a first limit block and a second limit block are arranged on the vertical threaded rod, and the fixing block is arranged between the first limit block and the second limit block.

[0027] The beneficial effects of adopting the above technical solution are as follows: The moving position of the fixed block can be restricted by the first limiting block and the second limiting block to ensure the lifting safety of the soaking tray.

[0028] Furthermore, the soaking tank is connected to the first liquid medicine tank and the second liquid medicine tank through pipelines. The first liquid medicine tank and the second liquid medicine tank are arranged at the top end of the germination chamber; a second electromagnetic valve is arranged on the pipeline, and the second electromagnetic valve is electrically connected to the controller. A second water outlet is arranged on one side of the bottom end of the soaking tank.

[0029] The beneficial effects of adopting the above technical solution are as follows: The first liquid medicine tank and the second liquid medicine tank can be used to store the liquid medicine required by the soaking tank, and the automatic liquid preparation of the soaking tank can be controlled by the controller, greatly improving the working efficiency.

[0030] In summary, the beneficial effects of the watermelon seed germination device provided by the present utility model are as follows:

[0031] (1) The germination device has a simple structure, concentrates the seed soaking and germination in one device, and under the control of the controller, realizes the intelligent operations of seed soaking, constant temperature and humidity, liquid medicine mixing and germination, greatly reducing the working intensity and effectively improving the seed germination efficiency.

[0032] (2) The first felt pad and the second felt pad are stacked on the germination tray in this device. The felt pad has good heat preservation performance, can effectively reduce the loss of heat and moisture, is conducive to maintaining the temperature and humidity requirements for seed germination, and achieves the purpose of improving the seed germination rate.

[0033] (3) This device can monitor the temperature inside the germination chamber in real time through the temperature control unit. When the temperature in the germination chamber is lower or higher than the set temperature required for seed germination, the heater or the exhaust fan can be turned on through the controller. The exhaust fan can extract the cold air in the germination chamber, and the heater can transport hot air into the germination chamber through the air inlet, so as to realize the constant temperature germination in the germination chamber and improve the germination efficiency.

[0034] (4) This device can monitor the humidity inside the germination chamber in real time through the humidity control unit. When the humidity in the germination chamber is insufficient, the controller can control the first electromagnetic valve to open, and the water in the water storage tank is transported to the water outlet tray through the pipeline, and the germination tray is sprayed through the atomizing nozzles on the water outlet tray, so as to ensure the moisture of the seeds and improve the germination efficiency.

[0035] (5) A flow regulating component is arranged on the pipeline between the water outlet tray and the water storage tank in this device, and the control of the water flow passing through the pipeline can be realized by controlling the expansion and contraction of the baffle, so as to control the spraying flow rate.

[0036] (6) The device uses the ultraviolet lamp and the constant-temperature lamp in the lighting unit. The constant-temperature lamp can provide sufficient light for the germination chamber and is also conducive to controlling the temperature inside the chamber; while the ultraviolet lamp can be used to kill the bacteria growing on the felt pad to improve the germination rate. Description of the Drawings

[0037] Figure 1 is a schematic structural diagram of the present utility model;

[0038] Figure 2 is a schematic structural diagram of the germination tray in the present utility model;

[0039] Figure 3 is a schematic structural diagram of the flow rate regulating assembly in the present utility model;

[0040] Among them, 1. Device body; 2. Germination box; 3. Partition board; 4. Germination chamber; 5. Soaking chamber; 6. Support column; 7. Fixed base plate; 8. Germination tray; 9. First felt pad; 10. Second felt pad; 11. Placing hole; 12. Water receiving tray; 13. First water outlet; 14. Soaking tank; 15. Soaking tray; 16. Temperature sensor; 17. Heater; 18. Exhaust fan; 19. Oxygen generator; 20. Air inlet; 21. Air outlet; 22. Humidity sensor; 23. Water storage tank; 24. Water outlet tray; 25. Atomizing nozzle; 26. Flow sensor; 27. First driver; 28. Telescopic rod; 29. Connecting rod; 30. Baffle; 31. Ultraviolet lamp; 32. Constant-temperature lamp; 33. Second driver; 34. Vertical threaded rod; 35. Fixed block; 36. Placing rack; 37. First limit block; 38. Second limit block; 39. First liquid medicine tank; 40. Second liquid medicine tank; 41. Second water outlet; 42. Third driver; 43. Stirring rod; 44. Stirring blade. Detailed Embodiments

[0041] The following describes the detailed embodiments of the present utility model to facilitate those skilled in the art of this technical field to understand the present utility model. However, it should be clear that the present utility model is not limited to the scope of the detailed embodiments. For those of ordinary skill in the art of this technical field, as long as various changes are within the spirit and scope of the present utility model defined and determined by the appended claims, these changes are obvious, and all utility models created using the concept of the present utility model are within the scope of protection.

[0042] As Figure 1As shown in the figure, the watermelon seed germination device provided by the utility model includes a device body 1. The device body 1 includes a controller and a germination box 2 electrically connected to the controller. A partition plate 3 is arranged inside the germination box 2. An incubation chamber 4 is arranged above the partition plate 3, and a soaking chamber 5 is arranged below it. A temperature control unit, a humidity control unit, and a lighting unit are arranged in the incubation chamber 4. A support column 6 is arranged in the middle of the incubation chamber 4. Fixed substrates 7 are arranged on both sides of the support column 6. A germination component is arranged above the fixed substrates 7. A soaking tank 14 and a soaking tray 15 arranged in the soaking tank 14 are arranged in the soaking chamber 5. The soaking tray 15 is connected to a lifting component. A stirring component is arranged at the bottom of the soaking tank 14. The temperature control unit, the humidity control unit, the lighting unit, the lifting component, and the stirring component are all connected to the controller.

[0043] The partition plate 3 divides the inside of the germination box 2 into an incubation chamber 4 and a soaking chamber 5. Through the soaking chamber 5, large-scale seed soaking and germination operations can be realized in the germination box 2, effectively improving the germination efficiency and time of watermelon seeds. When seed soaking operation is required, first prepare a soaking liquid with an appropriate ratio in the soaking tank 14, place the seeds in the soaking tank 14, and under the action of the lifting component, the soaking tank 14 can be automatically lifted and lowered. After soaking, transfer the seeds to the germination tray 8 in the incubation chamber 4. Through the coordinated action between the controller and the temperature control unit, humidity control unit, and lighting unit arranged in the incubation chamber 4, the temperature, humidity, and lighting conditions in the incubation chamber 4 can be automatically adjusted, effectively reducing the manual work intensity and improving the seed germination rate.

[0044] As Figure 2 shown in the figure, the germination component includes a germination tray 8. Inside the germination tray 8, a stacked first felt pad 9 and second felt pad 10 are arranged. A number of placement holes 11 are arranged on the first felt pad 9. A water receiving tray 12 is arranged at the bottom of the germination tray 8. First water outlets 13 are arranged at the four corners of the water receiving tray 12. By arranging the stacked first felt pad 9 and second felt pad 10 on the germination tray 8 and placing the seeds in the placement holes 11 of the first felt pad 9, excessive stacking between seeds can be avoided. At the same time, through the capillary action of the felt pad, the humidity of the seeds can be maintained, water evaporation can be reduced, and thus the seed germination rate can be improved. The water receiving tray 12 can collect the excess water mist sprayed. The accumulated water can flow from the first water outlets 13 to the waste water collection box, realizing the cyclic collection and use of water resources.

[0045] As Figure 1As shown in the figure, the temperature control unit includes a temperature sensor 16 and a temperature control component arranged at the top of the germination chamber 4. The temperature control component includes a heater 17 and an exhaust fan 18. The heater 17 is connected to the air inlet 20 through a pipeline, and the exhaust fan 18 is connected to the air outlet 21 through a pipeline. Both the air inlet 20 and the air outlet 21 are arranged at the top end of the germination chamber 4. The air inlet 20 is also connected to an oxygen generator 19, and the oxygen generator 19 is arranged on one side of the heater 17. In this embodiment, the model of the temperature sensor 16 is DS18B20. When the temperature sensor 16 senses that the temperature in the germination chamber 4 is lower or higher than the set temperature required for seed germination, the heater 17 or the exhaust fan 18 can be turned on through the controller. The exhaust fan 18 can extract the cold air in the germination chamber 4, while the heater 17 can convey hot air into the germination chamber 4 through the air inlet 20, so as to realize constant-temperature germination in the germination chamber 4, improve the germination efficiency, and the oxygen generator 19 can convey oxygen into the germination chamber 4 to further improve the germination rate of seeds.

[0046] As Figure 1 shown, the humidity control unit includes a humidity sensor 22 and a humidity control component arranged at the top of the inner wall of the germination chamber 4. The humidity control component includes a water storage tank 23 and a number of water outlet trays 24 connected to the water storage tank 23 through pipelines. A number of atomizing nozzles 25 are arranged on the number of water outlet trays 24. A flow regulating component and a first solenoid valve are arranged between the number of water outlet trays 24 and the pipeline. The first solenoid valve is electrically connected to the controller. In this embodiment, the model of the humidity sensor 22 used is SHT40. When the humidity sensor 22 detects that the humidity in the germination chamber 4 is insufficient, the controller can control the first solenoid valve to open. The water in the water storage tank 23 is conveyed to the water outlet trays 24 through the pipeline and sprayed on the germination trays 8 through the atomizing nozzles on the water outlet trays 24, so as to ensure the moisture of the seeds and improve the germination efficiency. The flow of the spray can be adjusted through the flow regulating component to avoid excessive water output and reduce the germination rate.

[0047] As Figure 3 shown, the flow regulating component includes a flow sensor 26, a first driver 27 and a blocking component connected to the first driver 27. The blocking component includes a telescopic rod 28, a connecting rod 29 and a baffle 30. One end of the baffle 30 is connected to the connecting rod 29, the other end of the connecting rod 29 is connected to one end of the telescopic rod 28, and the other end of the telescopic rod 28 is connected to the output end of the first driver 27. The first driver 27 and the flow sensor 26 are electrically connected to the controller, and the flow sensor 26 is arranged inside the pipeline. The model of the flow sensor 26 arranged in the pipeline is P51530 - P0. It can sense the water flow. When it is necessary to adjust the water flow of the spray, the first driver 27 can be started through the controller. The first driver 27 drives the telescopic rod 28 to expand and contract, and the telescopic rod 28 drives the baffle 30 fixedly connected through the connecting rod 29 to move and expand and contract to control the water flow passing through the pipeline and achieve the control of the spray flow.

[0048] As Figure 1 shown, the lighting unit includes ultraviolet lamps 31 and constant temperature lamps 32 arranged on both sides of the germination chamber 4; the ultraviolet lamps 31 and the constant temperature lamps 32 are arranged side by side on both sides inside the germination chamber 4. The constant temperature lamps 32 can provide sufficient light for the germination chamber 4 and at the same time facilitate the control of the temperature inside the chamber; while the ultraviolet lamps 31 can be used to kill the bacteria growing on the felt pad to improve the germination rate.

[0049] As Figure 1 shown, the stirring assembly includes a second driver 33 and a stirring rod 43 connected to the output end of the second driver 33. Stirring blades 44 are arranged on the stirring rod 43; the second driver 33 can drive the stirring rod 43 and the stirring blades 44 to rotate to mix the liquid medicine in the soaking tank 14 to improve the uniformity of the liquid medicine and ensure the germination rate; and the soaking tank 14 is connected to a first liquid medicine tank 39 and a second liquid medicine tank 40 through a pipeline. The first liquid medicine tank 39 and the second liquid medicine tank 40 are arranged at the top of the germination chamber 4; a second electromagnetic valve is arranged on the pipeline. The second electromagnetic valve is electrically connected to the controller. A second water outlet 41 is arranged on one side of the bottom end of the soaking tank 14; the first liquid medicine tank 39 and the second liquid medicine tank 40 can be used to store the liquid medicine required by the soaking tank 14, and the automatic liquid preparation of the soaking tank 14 can be controlled by the controller, greatly improving the work efficiency.

[0050] As Figure 1 shown, the lifting assembly includes third drivers 42 arranged on both sides of the soaking chamber 5 and vertical threaded rods 34 connected to the output ends of the third drivers 42. Fixing blocks 35 are arranged on the vertical threaded rods 34. The fixing blocks 35 are connected to the placement racks 36. Soaking trays 15 are arranged on the placement racks 36; the soaking trays 15 can be driven to automatically lift in the soaking tank 14 through the lifting assembly. The third drivers 42 can drive the vertical screw rods to rotate, and then drive the fixing blocks 35 threadedly connected to the vertical threaded rods 34 to move up and down on the vertical threaded rods 34 to drive the placement racks 36 and the soaking trays 15 on the placement racks 36 to move up and down, greatly improving the work efficiency; in addition, first limit blocks 37 and second limit blocks 38 are arranged on the vertical threaded rods 34, and the fixing blocks 35 are arranged between the first limit blocks 37 and the second limit blocks 38; the moving positions of the fixing blocks 35 can be restricted through the first limit blocks 37 and the second limit blocks 38 to ensure the lifting safety of the soaking trays 15.

[0051] In summary, the watermelon seed germination device provided by the present utility model has a simple structure, concentrates the seed soaking and germination in one device, and under the control of the controller, realizes the intelligent operations of seed soaking, constant temperature and humidity, liquid medicine mixing and germination, greatly reducing the work intensity and effectively improving the seed germination efficiency.

Claims

1. A watermelon seed germination device, characterized in that: The device comprises a device body (1), the device body (1) comprises a controller and a germination box (2) electrically connected to the controller, a partition plate (3) is arranged inside the germination box (2), a germination chamber (4) is arranged on the upper part of the partition plate (3), and a soaking chamber (5) is arranged on the lower part of the partition plate (3); The germination chamber (4) is provided with a temperature control unit, a humidity control unit and a lighting unit, wherein a support column (6) is provided in the middle thereof, fixed base plates (7) are provided on both sides of the support column (6), a germination component is provided above the fixed base plate (7), and the germination component comprises a germination tray (8), wherein a first felt pad (9) and a second felt pad (10) stacked in a stack are provided inside the germination tray (8), and a plurality of placement holes (11) are provided on the first felt pad (9); a water receiving tray (12) is provided at the bottom of the germination tray (8), and first water outlets (13) are provided at the four corners of the water receiving tray (12); The soaking chamber (5) is provided with a soaking tank (14) and a soaking plate (15) arranged in the soaking tank (14); the soaking plate (15) is connected to the lifting component; and a stirring component is provided at the bottom of the soaking tank (14); The temperature control unit, humidity control unit, illumination unit, lifting assembly and stirring assembly are all connected to the controller.

2. The watermelon seed germination device according to claim 1, characterized in that: The temperature control unit comprises a temperature sensor (16) and a temperature control component arranged at the top of the germination chamber (4); the temperature control component comprises a heater (17) and an exhaust fan (18); the heater (17) is connected to an air inlet (20) through a pipeline; the exhaust fan (18) is connected to an air outlet (21) through a pipeline; and the air inlet (20) and the air outlet (21) are both arranged at the top of the germination chamber (4).

3. The watermelon seed germination device according to claim 2, characterized in that: The air inlet (20) is connected to an oxygen generator (19), and the oxygen generator (19) is arranged on one side of the heater (17).

4. The watermelon seed germination device according to claim 1, characterized in that: The humidity control unit comprises a humidity sensor (22) and a humidity control component arranged on the top of the inner wall of the germination chamber (4); the humidity control component comprises a water storage tank (23) and a plurality of water outlet trays (24) connected to the water storage tank (23) through a pipeline; a plurality of atomizing nozzles (25) are arranged on the plurality of water outlet trays (24); a flow regulating component and a first electromagnetic valve are arranged between the plurality of water outlet trays (24) and the pipeline; the first electromagnetic valve is electrically connected to a controller.

5. The watermelon seed germination device according to claim 4, characterized in that: The flow regulating component comprises a flow sensor (26), a first driver (27) and a blocking component connected to the first driver (27); the blocking component comprises a telescopic rod (28), a connecting rod (29) and a baffle (30); the baffle (30) is connected to one end of the connecting rod (29); the other end of the connecting rod (29) is connected to one end of the telescopic rod (28); the other end of the telescopic rod (28) is connected to an output end of the first driver (27); the first driver (27) and the flow sensor (26) are electrically connected to a controller; the flow sensor (26) is arranged inside a pipeline.

6. The watermelon seed germination device according to claim 1, characterized in that: The lighting unit comprises an ultraviolet lamp (31) and a constant temperature lamp (32) which are arranged on both sides of the germination chamber (4).

7. The watermelon seed germination device according to claim 1, characterized in that: The stirring assembly comprises a second driver (33) and a stirring rod (43) connected to the output end of the second driver (33), and a stirring blade (44) is arranged on the stirring rod (43).

8. The watermelon seed germination device according to claim 1, characterized in that: The lifting assembly comprises a third driver (42) arranged on both sides of the soaking chamber (5) and a vertical threaded rod (34) connected to the output end of the third driver (42), a fixing block (35) is arranged on the vertical threaded rod (34), and the fixing block (35) is connected to a placement rack (36), and a soaking tray (15) is arranged on the placement rack (36).

9. The watermelon seed germination device according to claim 8, characterized in that: The vertical threaded rod (34) is provided with a first limit block (37) and a second limit block (38), and the fixed block (35) is arranged between the first limit block (37) and the second limit block (38).

10. The watermelon seed germination device according to claim 1, characterized in that: The soaking tank (14) is connected to a first liquid medicine tank (39) and a second liquid medicine tank (40) through a pipeline, and the first liquid medicine tank (39) and the second liquid medicine tank (40) are arranged at the top of the germination chamber (4); a second solenoid valve is arranged on the pipeline, and the second solenoid valve is electrically connected to the controller; a second water outlet (41) is arranged on one side of the bottom end of the soaking tank (14).

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