Seedling raising water and fertilizer spraying device and method

Abstract

The application relates to the technical field of agricultural planting, and discloses a water-spraying and fertilizing device for seedling raising and a fertilizing method thereof. The water-spraying and fertilizing device for seedling raising comprises a moving vehicle, a battery module is arranged at the rear of the top of the moving vehicle, a controller is fixedly installed at the front of the top of the moving vehicle, the controller is electrically connected with the battery module, walking wheels are movably installed at the four corners of the bottom of the moving vehicle, a height adjusting mechanism is arranged at the top of the moving vehicle, and unfolding spraying mechanisms are arranged at the two sides of the height adjusting mechanism. The height adjusting mechanism can drive the unfolding spraying mechanisms to move upwards or downwards. When the electric telescopic rod drives the scissor-type telescopic frame to unfold, the electric telescopic rod can synchronously drive the push plate to move, pull one end of the air compression balloon to move to perform air extraction, and after spraying is completed, the electric telescopic rod drives the scissor-type telescopic frame to contract, thereby synchronously moving the push plate and compressing the air compression balloon.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of agricultural planting technology, and particularly relates to a seedling raising water spraying and fertilizing device and a fertilizing method thereof. BACKGROUND

[0002] When seedlings of crops are raised, water spraying and fertilizing operation needs to be performed, and currently, the fertilizers are mainly dissolved in water to apply water and fertilizers to the crops. The existing water spraying and fertilizing for seedling raising of crops mainly has the following several ways: 1. manual spraying, 2. distributed spray pipe spraying, and 3. spraying vehicle spraying. The first way is relatively traditional, needs to consume a large amount of manpower, and the spraying process is not uniform enough, and has many limitations. The second way can improve the uniformity of spraying, but since the area of the greenhouse is large, a support frame needs to be set to support multiple distributed spray pipes, and the area of the seedling bed itself is large, so the arrangement density of the spray pipes is also large, and in addition, a large amount of liquid often remains in the spray pipes and is not easy to drain, especially at the position of the atomizing nozzles, the liquid remains for a long time, and the water and fertilizers at the atomizing nozzles are prone to crystallization and blockage, and the later maintenance has great difficulty. The third way has certain mobility, but since the spraying vehicle generally has a water source, the volume is relatively large, needs to be frequently replenished with water, and the efficiency is low. SUMMARY

[0003] The present application aims to provide a seedling raising water spraying and fertilizing device and a fertilizing method thereof to solve the problems in the background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a watering and fertilizing device for seedling cultivation, comprising a mobile vehicle, a battery module is provided at the rear of the top of the mobile vehicle, a controller is fixedly installed at the front of the top, and the controller is electrically connected to the battery module, and walking wheels are movably installed at the four corners of the bottom of the mobile vehicle, a height adjustment mechanism is provided on the top of the mobile vehicle, and an unfolding spraying mechanism is provided on both sides of the height adjustment mechanism, the height adjustment mechanism can drive the unfolding spraying mechanism to move upward or downward, and two groups of the unfolding spraying mechanisms can be unfolded on both sides of the height adjustment mechanism, and the unfolding spraying mechanism includes a transmission arm, an electric telescopic rod fixedly installed on the transmission arm, an adjusting slider fixedly connected to the output shaft of the electric telescopic rod, a scissor-type telescopic frame movably installed on the transmission arm, and several A dry three-way connector, an atomizing pipe and an atomizing nozzle fixedly connected to the three-way connector, and a water inlet pipe fixedly connected to the three-way connector. The scissor-type telescopic frame is connected to the electric telescopic rod through an adjusting slider. A compressed air cleaning mechanism is provided on the top of the transmission arm, and the compressed air cleaning mechanism includes a mounting cage, a pressurized ball bag and a push plate arranged inside the mounting cage, a one-way air inlet valve and a one-way air outlet valve fixedly connected to one end of the pressurized ball bag, the push plate is fixedly connected to the adjusting slider, the one-way air outlet valve is fixedly connected to the water inlet pipe, a water supply mechanism is provided on the top of the mobile vehicle, and the water supply mechanism includes a winding roller, a water supply hose wrapped around the outside of the winding roller, a water pump and a dispersion box fixedly installed on the top of the mobile vehicle, the water inlet of the water pump is connected to the water supply hose, the water outlet is fixedly connected to the dispersion box, and the dispersion box is fixedly connected to the water inlet pipe.

[0005] Preferably, support arms are fixedly mounted on the four corners of the bottom of the mobile vehicle, and the walking wheels are movably mounted on the mobile vehicle through the support arms. Drive motors are fixedly mounted on the two sets of support arms at the front end of the bottom of the mobile vehicle, and the output shafts of the drive motors are fixedly connected to the walking wheels on the support arms. The drive motors are electrically connected to the controller, and the controller controls the two sets of drive motors at the front end to drive the walking wheels to rotate, thereby driving the device to move and comprehensively water and fertilize the crops at the seedling position. Preferably, the height adjustment mechanism includes an adjustment frame fixedly mounted on the top of the mobile vehicle, a servo motor is fixedly mounted on the top of the adjustment frame, and an adjustment screw located inside the adjustment frame is fixedly connected to the output shaft of the servo motor, and the servo motor is electrically connected to the controller. Since the spraying shape of the atomizing nozzle is conical, the height of the atomizing nozzle is adjusted according to the height of the crops, so that the water and fertilizer sprayed by several atomizing nozzles can fully cover the crops.

[0006] Preferably, the transmission arms in the two groups of the deployed spraying mechanisms are fixedly connected, and the two groups of transmission arms are movably installed inside the adjustment frame and are threadedly connected to the adjustment screw, ensuring that the adjustment screw can drive the transmission arms to move when it rotates, thereby realizing the adjustment of the height of the two groups of deployed spraying mechanisms.

[0007] Preferably, the scissor-type telescopic frame is hinged by several connecting rods distributed in an "X" shape, and the hinge positions of several of the connecting rods are provided with hinge shafts. One end of the scissor-type telescopic frame is movably connected to the bottom of the transmission arm, and the hinge shaft of the scissor-type telescopic frame close to the transmission arm is fixedly connected to the adjusting slider, and the adjusting slider is fixedly connected to the second hinge shaft of the scissor-type telescopic frame close to the transmission arm. When the adjusting slider moves under the drive of the electric telescopic rod, the scissor-type telescopic frame as a whole can be driven to retract or expand through the hinge shaft.

[0008] Preferably, the three-way connector is fixedly connected to the hinge shaft in the middle of the three-way connector, and adjacent three-way connectors are fixedly connected through a hose to ensure that water and fertilizer can be supplied to all atomizing pipes and atomizing nozzles through the three-way connector. A threaded plug is provided on the three-way connector away from one end of the transmission arm to seal the three-way connector at the end to prevent water and fertilizer leakage.

[0009] Preferably, the electric telescopic rod is fixedly installed on the top of the transmission arm, the adjustment slider is slidably connected to the transmission arm, and the electric telescopic rod is electrically connected to the controller. Under the control of the controller, the electric telescopic rod can drive the adjustment slider to move to achieve adjustment of the scissor-type telescopic frame and the push plate.

[0010] Preferably, the push plate is fixedly connected to one end of the pressurized ball balloon away from the one-way air inlet valve and the one-way air outlet valve. The pressurized ball balloon is an accordion-shaped structure as a whole. After the spraying is completed, the electric telescopic rod drives the scissor-type telescopic frame to contract and drives the push plate to move synchronously, compressing the pressurized ball balloon, and limiting it through the one-way valve, guiding the airflow into the three-way connector, the atomizing pipe and the atomizing nozzle, and cleaning the atomizing nozzle by the airflow.

[0011] Preferably, the winding roller is movably mounted on the top of the mobile vehicle, and a connecting groove is opened inside one end of the winding roller, one end of the connecting groove is fixedly connected to the water supply hose, and a rotary joint is fixedly mounted on the other end, and the rotary joint is located on the central axis of the winding roller, and the water inlet of the water pump is connected to the water supply hose through the rotary joint and the connecting groove, and the water pump is electrically connected to the controller. When the device moves, the winding roller can unfold the water supply hose, and the water inlet of the water pump is connected to the water supply hose through the rotary joint and the connecting groove, ensuring that the water inlet of the water pump is still connected to the water supply hose when the winding roller rotates.

[0012] A fertilizing method of a watering and fertilizing device for seedling cultivation, comprising the following steps:

[0013] S1. Connect one end of the water supply hose to an existing water storage mechanism, which is a bucket or water tank. The water storage mechanism stores water and fertilizer. A remote control device compatible with the controller sends a command to the controller, which controls the electric telescopic rods in the two sets of deployment spraying mechanisms to start. The output shafts of the electric telescopic rods extend to drive the adjustment sliders to move, and the scissor-type telescopic racks are adaptively deployed according to the area of ​​the seedling raising area.

[0014] S2. When the scissor-type telescopic frame is deployed, it drives the three-way connectors, the atomizing pipes, and the atomizing nozzles to move so that the spraying area of ​​the atomizing nozzles can cover the seedling raising area. Then, the servo motor drives the adjustment screw to rotate, which drives the two sets of transmission arms to move upward or downward. The height of the two sets of deployed spraying mechanisms is adjusted according to the height of the crops. Since the spraying shape of the atomizing nozzle is conical, the height of the atomizing nozzle is adjusted so that the water and fertilizer sprayed by the atomizing nozzles can fully cover the crops.

[0015] S3, the water pump starts to pump water and fertilizer along the water supply hose, and guides it into the water inlet pipes of the two sets of spraying mechanisms along the dispersion box, and transmits it through the three-way connector and the atomizing pipe. After being atomized by the atomizing nozzle, it is sprayed out to water and fertilize the crops. At the same time, the controller controls the drive motor to drive the walking wheel to rotate, driving the device to move in the seedling area, and comprehensively watering and fertilizing the crops in the seedling area;

[0016] S4. When the device moves, the reel unwinds the water supply hose, and the water inlet of the water pump is connected to the water supply hose through the rotary joint and the connecting groove, ensuring that the water inlet of the water pump is still connected to the water supply hose when the reel rotates;

[0017] S5. When the output shaft of the electric telescopic rod extends to drive the scissor-type telescopic frame to unfold, the electric telescopic rod synchronously drives the adjusting slider and the push plate to move, and the push plate drives one end of the pressurized ball balloon to move, and air is inhaled along the one-way air inlet valve. After the watering and fertilizing is completed, the electric telescopic rod drives the scissor-type telescopic frame to contract and synchronously drives the adjusting slider and the push plate to reset. The push plate moves to squeeze the pressurized ball balloon, and the gas in the pressurized ball balloon is introduced into the water inlet pipe through the one-way air outlet valve and is restricted by the one-way water inlet valve, so that the gas is discharged through the three-way connector, the atomizing pipe and along the atomizing nozzle, and the atomizing nozzle is cleaned by the airflow.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The seedling watering and fertilizing device and fertilizing method thereof use an electrically driven mobile vehicle to move the spraying mechanism, so as to realize watering and fertilizing of crops in the seedling raising position. The degree of automation is high, and the work efficiency is improved. At the same time, the scissor-type telescopic frame can be adaptively expanded according to the area of ​​the seedling raising area. At the same time, the height of the expanded spraying mechanism can be adjusted by the height adjustment mechanism to ensure that the expanded spraying mechanism can realize comprehensive watering and fertilizing of the seedling crops and ensure the spraying effect.

[0020] 2. The seedling watering and fertilizing device and fertilizing method thereof, when the electric telescopic rod drives the scissor-type telescopic frame to expand, it can synchronously drive the push plate to move, pull one end of the pressurized ball balloon to move for extraction, and after the spraying is completed, the electric telescopic rod drives the scissor-type telescopic frame to contract and drives the push plate to move synchronously, compressing the pressurized ball balloon, and limiting it through a one-way valve, directing the airflow into the three-way connector, the atomizing pipe and the atomizing nozzle, and cleaning the atomizing nozzle by the airflow to avoid water and fertilizer being retained at the atomizing nozzle position, thereby preventing water and fertilizer from crystallizing and clogging at the atomizing nozzle position.

[0021] 3. The seedling watering and fertilizing device and fertilizing method thereof, when the device moves, the winding roller can unfold the water supply hose, and the water inlet of the water pump is connected to the water supply hose through a rotary joint and a connecting groove, ensuring that the water inlet of the water pump is still connected to the water supply hose when the winding roller rotates. Water and fertilizer can be supplied to the device through an external water storage mechanism, without the need to carry a water source, reducing the size of the device, and at the same time, there is no need to frequently stop the device for water replenishment, thereby improving the spraying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention after overall assembly;

[0023] Figure 2 This is a schematic structural diagram of the bottom of the mobile vehicle in the present invention;

[0024] Figure 3 It is a structural schematic diagram of the connection between the height adjustment mechanism and the deployment spraying mechanism in the present invention;

[0025] Figure 4 Schematic diagram of the structure of the height adjustment mechanism of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the spraying mechanism in the present invention;

[0027] Figure 6 It is a structural schematic diagram of the compressed air cleaning mechanism in the present invention;

[0028] Figure 7 Schematic diagram of the structure of the high-pressure balloon of the present invention;

[0029] Figure 8 It is a structural diagram of the water supply mechanism in the present invention;

[0030] Figure 9 It is a structural schematic diagram of the winding roller in the present invention.

[0031] In the figure: 1. Mobile vehicle; 2. Height adjustment mechanism; 21. Adjustment frame; 22. Servo motor; 23. Adjustment screw; 3. Spraying mechanism; 31. Transmission arm; 32. Electric telescopic rod; 33. Scissor-type telescopic frame; 331. Connecting rod;

[0032] 34. Three-way connector; 35. Atomizing pipe; 36. Atomizing nozzle; 37. Adjusting slider; 38. Water inlet pipe; 39. One-way water inlet valve; 4. Compressed air cleaning mechanism; 41. Mounting cage; 42. Push plate; 43. Compressed air balloon; 44. One-way air inlet valve; 45. One-way air outlet valve; 5. Water supply mechanism; 51. Winding roller; 52. Water supply hose; 53. Rotary joint; 54. Connecting groove; 55. Water pump; 56. Dispersion box; 6. Battery module; 7. Travel wheel; 8. Drive motor; 9. Controller. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] See also Figures 1 to 9In the embodiment of the present invention, a watering and fertilizing device for seedling cultivation includes a mobile vehicle 1, a battery module 6 is provided at the rear of the top of the mobile vehicle 1, and a controller 9 is fixedly installed at the front of the top, and the controller 9 is electrically connected to the battery module 6. The controller 9 and the battery module 6 are both existing technologies and are commercially available. The battery module 6 can power the device. The controller 9 is provided with a wireless transceiver module, and the device can be remotely controlled by a remote control device that cooperates with the controller 9. The four corners of the bottom of the mobile vehicle 1 are movably provided with walking wheels 7. The electrically driven mobile vehicle 1 drives the deployment spraying mechanism 3 to move, so that watering and fertilizing can be achieved on the crops at the seedling cultivation position. The degree of automation is high, which improves the work efficiency. The top of the mobile vehicle 1 is provided with a There is a height adjustment mechanism 2, and an expansion spraying mechanism 3 is set on both sides of the height adjustment mechanism 2. The height adjustment mechanism 2 can drive the expansion spraying mechanism 3 to move upward or downward. Two groups of expansion spraying mechanisms 3 can be expanded on both sides of the height adjustment mechanism 2. The scissor-type telescopic frame 33 can be adaptively expanded according to the area of ​​the seedling area. At the same time, the height of the expansion spraying mechanism 3 can be adjusted by the height adjustment mechanism 2 to ensure that the expansion spraying mechanism 3 can achieve comprehensive watering and fertilizing of seedling crops and ensure the spraying effect. The expansion spraying mechanism 3 includes a transmission arm 31, an electric telescopic rod 32 fixedly mounted on the transmission arm 31, an adjusting slider 37 fixedly connected to the output shaft of the electric telescopic rod 32, a scissor-type telescopic frame 33 movably mounted on the transmission arm 31, and a scissor-type telescopic frame 33 arranged on the transmission arm 31. The telescopic frame 33 is provided with a plurality of three-way connectors 34 at the bottom thereof, an atomizing pipe 35 and an atomizing nozzle 36 fixedly connected to the three-way connector 34, and a water inlet pipe 38 fixedly connected to the three-way connector 34. The scissor-type telescopic frame 33 is connected to the electric telescopic rod 32 through an adjusting slider 37. A compressed air cleaning mechanism 4 is provided on the top of the transmission arm 31, and the compressed air cleaning mechanism 4 includes a mounting cage 41, a pressurized ball balloon 43 and a push plate 42 arranged inside the mounting cage 41, a one-way air inlet valve 44 and a one-way air outlet valve 45 fixedly connected to one end of the pressurized ball balloon 43, the push plate 42 is fixedly connected to the adjusting slider 37, and the one-way air outlet valve 45 is fixedly connected to the water inlet pipe 38. When the electric telescopic rod 32 drives the scissor-type telescopic frame 33 to expand, it can synchronously drive the push plate 42 to move. , pull one end of the pressurized ball bag 43 to move and pump air. After the spraying is completed, the electric telescopic rod 32 drives the scissor-type telescopic frame 33 to contract, driving the push plate 42 to move synchronously, compressing the pressurized ball bag 43, and limiting it through the one-way valve, directing the airflow into the three-way connector 34, the atomizing pipe 35 and the atomizing nozzle 36, and cleaning the atomizing nozzle 36 through the airflow. A water supply mechanism 5 is provided on the top of the mobile vehicle 1, and the water supply mechanism 5 includes a winding roller 51, a water supply hose 52 wound around the outside of the winding roller 51, a water pump 55 and a dispersion box 56 fixedly installed on the top of the mobile vehicle 1, the water inlet of the water pump 55 is connected to the water supply hose 52, the water outlet is fixedly connected to the dispersion box 56, and the dispersion box 56 is fixedly connected to the water inlet pipe 38. When the device moves,The reel 51 can unwind the water supply hose 52. The water inlet of the water pump 55 is connected to the water supply hose 52 via a rotary joint 53 and a connecting groove 54. This ensures that the water inlet of the water pump 55 remains connected to the water supply hose 52 when the reel 51 rotates. Water and fertilizer can be supplied to the device through an external water storage mechanism, eliminating the need to carry a water source, reducing the size of the device, and eliminating the need for frequent shutdowns for water replenishment, thereby improving spraying efficiency.

[0035] As a further implementation scheme of the above invention: support arms are fixedly installed at the four corners of the bottom of the mobile vehicle 1, and the walking wheels 7 are movably installed on the mobile vehicle 1 through the support arms. The walking wheels 7 are restricted by the support arms to ensure that the walking wheels 7 can rotate stably to drive the device to move. The two sets of support arms at the front end of the bottom of the mobile vehicle 1 are fixedly installed with drive motors 8, and the output shafts of the drive motors 8 are fixedly connected to the walking wheels 7 on the support arms. The drive motors 8 are electrically connected to the controller 9. The controller 9 controls the two sets of drive motors 8 at the front end to drive the walking wheels 7 to rotate, which can drive the device to move and comprehensively water and fertilize the crops at the seedling position. The drive motors 8 are existing technology and are commercially available.

[0036] As a further implementation scheme of the above invention: the height adjustment mechanism 2 includes an adjustment frame 21 fixedly mounted on the top of the mobile vehicle 1, and a servo motor 22 is fixedly mounted on the top of the adjustment frame 21, and the output shaft of the servo motor 22 is fixedly connected to an adjustment screw 23 located inside the adjustment frame 21. The servo motor 22 drives the adjustment screw 23 to rotate, thereby adjusting the height of the two groups of deployed spraying mechanisms 3. The servo motor 22 is electrically connected to the controller 9. Since the spraying shape of the atomizing nozzle 36 is conical, the height of the atomizing nozzle 36 is adjusted according to the height of the crops, so that the water and fertilizer sprayed by several atomizing nozzles 36 can fully cover the crops.

[0037] As a further implementation scheme of the above invention: the transmission arms 31 in the two groups of unfolded spraying mechanisms 3 are fixedly connected, and the two groups of transmission arms 31 are movably installed inside the adjustment frame 21 and are threadedly connected to the adjustment screw 23, ensuring that the adjustment screw 23 can drive the transmission arms 31 to move when rotating, thereby realizing the adjustment of the height of the two groups of unfolded spraying mechanisms 3.

[0038] As a further implementation of the above invention: the scissor type telescopic frame 33 is hinged by a plurality of connecting rods 331 arranged in an "X" shape, the hinge positions of the connecting rods are provided with hinge shafts, one end of the scissor type telescopic frame 33 is movably connected to the bottom of the transmission arm 31, the whole scissor type telescopic frame 33 is limited to ensure the stability of the connection of the scissor type telescopic frame 33 on the transmission arm 31 and can be retracted and expanded, the hinge shaft near one end of the scissor type telescopic frame 33 is fixedly connected with the adjusting sliding block 37, and the adjusting sliding block 37 is fixedly connected with the second hinge shaft near one end of the scissor type telescopic frame 33, when the adjusting sliding block 37 moves under the driving of the electric telescopic rod 32, the whole scissor type telescopic frame 33 can be retracted or expanded through the hinge shaft, and the adjusting sliding block 37 can also assist in limiting the position of the scissor type telescopic frame 33 to ensure the stability of the scissor type telescopic frame 33 during operation.

[0039] As a further implementation of the above invention: the tee connector 34 is fixedly connected to the hinge shaft in the middle of the tee connector 34, and the adjacent tee connectors 34 are fixedly connected through the hoses to ensure that water and fertilizer can be supplied to all the atomizing pipes 35 and atomizing nozzles 36 through the tee connector 34, and the tee connector 34 away from one end of the transmission arm 31 is provided with a threaded plug to plug the end tee connector 34 to prevent water and fertilizer from leaking.

[0040] As a further implementation of the above invention: the electric telescopic rod 32 is fixedly installed on the top of the transmission arm 31, the adjusting sliding block 37 is slidably connected to the transmission arm 31, the electric telescopic rod 32 is electrically connected with the controller 9, and the electric telescopic rod 32 can drive the adjusting sliding block 37 to move under the control of the controller 9 to realize the adjustment of the scissor type telescopic frame 33 and the push plate 42, and the electric telescopic rod 32 is a prior art obtained from commercial purchase.

[0041] As a further implementation of the above invention: the push plate 42 is fixedly connected with the air compression balloon 43 away from one end of the one-way air inlet valve 44 and the one-way air outlet valve 45, when the electric telescopic rod 32 drives the scissor type telescopic frame 33 to expand, the push plate 42 can be simultaneously moved to pull one end of the air compression balloon 43 to exhaust air, the whole air compression balloon 43 is in the structure of an organ, when the electric telescopic rod 32 drives the scissor type telescopic frame 33 to retract, the push plate 42 is simultaneously moved to compress the air compression balloon 43, and the airflow is guided into the tee connector 34, the atomizing pipe 35 and the atomizing nozzle 36 through the one-way valve to clean the atomizing nozzle 36 through the airflow.

[0042] As a further implementation scheme of the above invention: the winding roller 51 is movably mounted on the top of the mobile vehicle 1, and a connecting groove 54 is opened inside one end of the winding roller 51, one end of the connecting groove 54 is fixedly connected to the water supply hose 52, and a rotary joint 53 is fixedly mounted on the other end, and the rotary joint 53 is located on the central axis of the winding roller 51. When the device moves, the winding roller 51 can unfold the water supply hose 52, and the water inlet of the water pump 55 is connected to the water supply hose 52 through the rotary joint 53 and the connecting groove 54, ensuring that the water inlet of the water pump 55 is still connected to the water supply hose 52 when the winding roller 51 rotates. The water inlet of the water pump 55 is connected to the water supply hose 52 through the rotary joint 53 and the connecting groove 54, and water and fertilizer can be supplied to the device through an external water storage mechanism. There is no need to carry a water source, which reduces the volume of the device and does not require frequent shutdowns for water replenishment, thereby improving the spraying efficiency. The water pump 55 is electrically connected to the controller 9. The water pump 55 is existing technology and is commercially available.

[0043] A fertilizing method of a watering and fertilizing device for seedling cultivation, comprising the following steps:

[0044] S1. Connect one end of the water supply hose 52 to an existing water storage mechanism, which is a bucket or water tank. The water storage mechanism stores water and fertilizer. A remote control device adapted to the controller 9 sends a command to the controller 9. The controller 9 controls the electric telescopic rods 32 in the two sets of spraying mechanisms 3 to start. The output shafts of the electric telescopic rods 32 extend to drive the adjustment slider 37 to move. According to the area of ​​the seedling raising area, the scissor-type telescopic frame 33 is adaptively expanded;

[0045] S2. When the scissor-type telescopic frame 33 is deployed, it drives the three-way connectors 34, the atomizing pipe 35, and the atomizing nozzles 36 to move, so that the spraying area of ​​the atomizing nozzles 36 can cover the seedling raising area. Then, the servo motor 22 drives the adjusting screw 23 to rotate, driving the two sets of transmission arms 31 to move upward or downward, and adjusting the height of the two sets of deployed spraying mechanisms 3 according to the height of the crops. Since the spraying shape of the atomizing nozzle 36 is conical, the height of the atomizing nozzle 36 is adjusted so that the water and fertilizer sprayed by the atomizing nozzles 36 can fully cover the crops.

[0046] S3, the water pump 55 starts to pump water and fertilizer along the water supply hose 52, and introduces it into the water inlet pipe 38 of the two sets of spraying mechanisms 3 along the dispersion box 56, and conducts it through the three-way connector 34 and the atomizing pipe 35. After being atomized by the atomizing nozzle 36, it is sprayed out to water and fertilize the crops. At the same time, the controller 9 controls the drive motor 8 to drive the running wheel 7 to rotate, driving the device to move in the seedling raising area to comprehensively water and fertilize the crops in the seedling raising area;

[0047] S4. When the device moves, the winding roller 51 unwinds the water supply hose 52, and the water inlet of the water pump 55 is connected to the water supply hose 52 through the rotary joint 53 and the connecting groove 54, ensuring that the water inlet of the water pump 55 is still connected to the water supply hose 52 when the winding roller 51 rotates;

[0048] S5. When the output shaft of the electric telescopic rod 32 extends and drives the scissor-type telescopic frame 33 to expand, the electric telescopic rod 32 synchronously drives the adjusting slider 37 and the push plate 42 to move. The push plate 42 drives one end of the pressurized ball balloon 43 to move and inhales air along the one-way air inlet valve 44. After the watering and fertilizing is completed, the electric telescopic rod 32 drives the scissor-type telescopic frame 33 to contract and synchronously drives the adjusting slider 37 and the push plate 42 to reset. The push plate 42 moves to squeeze the pressurized ball balloon 43. The gas in the pressurized ball balloon 43 is introduced into the water inlet pipe 38 through the one-way air outlet valve 45 and is restricted by the one-way water inlet valve 39, so that the gas is discharged through the three-way connector 34, the atomizing pipe 35 and along the atomizing nozzle 36, and the atomizing nozzle 36 is cleaned by the airflow.

[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A seedling-raising watering and fertilizing device, comprising a mobile vehicle (1), a battery module (6) being provided at the rear of the top of the mobile vehicle (1), a controller (9) being fixedly installed at the front of the top, and the controller (9) being electrically connected to the battery module (6), and walking wheels (7) being movably installed at the four corners of the bottom of the mobile vehicle (1), characterized in that: The top of the mobile vehicle (1) is provided with a height adjustment mechanism (2), and both sides of the height adjustment mechanism (2) are provided with an expansion spraying mechanism (3), the height adjustment mechanism (2) can drive the expansion spraying mechanism (3) to move upward or downward, and two groups of the expansion spraying mechanisms (3) can be expanded on both sides of the height adjustment mechanism (2), the expansion spraying mechanism (3) comprises a transmission arm (31), an electric telescopic rod (32) fixedly mounted on the transmission arm (31), an adjustment slider (37) fixedly connected to the output shaft of the electric telescopic rod (32), a scissor-type telescopic frame (33) movably mounted on the transmission arm (31), a plurality of three-way connectors (34) arranged at the bottom of the scissor-type telescopic frame (33), an atomizing pipe (35) and an atomizing nozzle (36) fixedly connected to the three-way connector (34), and a water inlet pipe (38) fixedly connected to the three-way connector (34), and the scissor-type telescopic frame (33) is connected to the electric telescopic rod (32) through the adjustment slider (37). 32) transmission connection, the top of the transmission arm (31) is provided with a compressed air cleaning mechanism (4), and the compressed air cleaning mechanism (4) includes a mounting cage (41), a compressed air sac (43) and a push plate (42) arranged inside the mounting cage (41), a one-way air inlet valve (44) and a one-way air outlet valve (45) fixedly connected to one end of the compressed air sac (43), the push plate (42) is fixedly connected to the adjusting slider (37), the one-way air outlet valve (45) is connected to the water inlet pipe (38), and the one-way air outlet valve (45) is connected to the water inlet pipe (38). ) is fixedly connected, a water supply mechanism (5) is provided on the top of the mobile vehicle (1), and the water supply mechanism (5) includes a winding roller (51), a water supply hose (52) wound around the outside of the winding roller (51), a water pump (55) and a dispersion box (56) fixedly installed on the top of the mobile vehicle (1), the water inlet of the water pump (55) is connected to the water supply hose (52), the water outlet is fixedly connected to the dispersion box (56), and the dispersion box (56) is fixedly connected to the water inlet pipe (38).

2. A seedling-raising watering and fertilizing device according to claim 1, characterized in that: Support arms are fixedly mounted at the four corners of the bottom of the mobile vehicle (1); the travel wheels (7) are movably mounted on the mobile vehicle (1) through the support arms; a drive motor (8) is fixedly mounted on the two sets of support arms at the front end of the bottom of the mobile vehicle (1); the output shaft of the drive motor (8) is fixedly connected to the travel wheels (7) on the support arms; and the drive motor (8) is electrically connected to the controller (9).

3. A seedling-raising watering and fertilizing device according to claim 1, characterized in that: The height adjustment mechanism (2) comprises an adjustment frame (21) fixedly mounted on the top of the mobile vehicle (1); a servo motor (22) is fixedly mounted on the top of the adjustment frame (21); an adjustment screw rod (23) located inside the adjustment frame (21) is fixedly connected to the output shaft of the servo motor (22); and the servo motor (22) is electrically connected to a controller (9).

4. A seedling-raising watering and fertilizing device according to claim 3, characterized in that: The transmission arms (31) in the two sets of the unfolding spraying mechanisms (3) are fixedly connected, and the two sets of transmission arms (31) are movably installed inside the adjustment frame (21) and are threadedly connected to the adjustment screw rod (23).

5. The seedling-raising watering and fertilizing device according to claim 1, characterized in that: The scissor-type telescopic frame (33) is formed by hingedly connecting a plurality of connecting rods (331) distributed in an "X" shape. A hinge shaft is provided at the hinged positions of the plurality of connecting rods (331). One end of the scissor-type telescopic frame (33) is movably connected to the bottom of the transmission arm (31). The hinge shaft at one end of the scissor-type telescopic frame (33) close to the transmission arm (31) is fixedly connected to the adjustment slider (37).

6. A watering and fertilizing device for raising seedlings according to claim 5, characterized in that: The three-way connector (34) is fixedly connected to a hinge shaft in the middle of the three-way connector (34), and adjacent three-way connectors (34) are fixedly connected via a hose. A threaded plug is provided on the three-way connector (34) at one end away from the transmission arm (31).

7. The seedling-raising watering and fertilizing device according to claim 1, characterized in that: The electric telescopic rod (32) is fixedly mounted on the top of the transmission arm (31), the adjusting slider (37) is slidably connected to the transmission arm (31), and the electric telescopic rod (32) is electrically connected to the controller (9).

8. The seedling-raising watering and fertilizing device according to claim 1, characterized in that: The push plate (42) is fixedly connected to one end of the pressurized ball bladder (43) away from the one-way air inlet valve (44) and the one-way air outlet valve (45), and the pressurized ball bladder (43) is an accordion-shaped structure as a whole.

9. The seedling-raising watering and fertilizing device according to claim 1, characterized in that: The winding roller (51) is movably mounted on the top of the mobile vehicle (1); a connecting groove (54) is provided inside one end of the winding roller (51); one end of the connecting groove (54) is fixedly connected to the water supply hose (52); and a rotary joint (53) is fixedly mounted on the other end; the rotary joint (53) is located on the central axis of the winding roller (51); the water inlet of the water pump (55) is connected to the water supply hose (52) through the rotary joint (53) and the connecting groove (54); and the water pump (55) is electrically connected to the controller (9).

10. A fertilizing method according to any one of claims 1 to 9, characterized in that: The following steps are included: S1. Connect one end of the water supply hose (52) to an existing water storage mechanism, which is a water bucket or a water tank. The water storage mechanism stores water and fertilizer. A remote control device adapted to the controller (9) sends a command to the controller (9). The controller (9) controls the two sets of electric telescopic rods (32) in the deployment spraying mechanism (3) to start. The electric telescopic rods (32) The output shaft extends to drive the adjusting slider (37) to move, and the scissor-type telescopic frame (33) is adaptively expanded according to the area of ​​the seedling raising area; S2, when the scissor-type telescopic frame (33) is unfolded, it drives the plurality of three-way connectors (34), the atomizing pipe (35) and the atomizing nozzle (36) to move, so that the spraying area of ​​the plurality of atomizing nozzles (36) can cover the seedling raising area, and then the servo motor (22) drives the adjusting screw rod (23) to rotate, driving the two sets of transmission arms (31) to move upward or downward, and adjusting the height of the two sets of unfolding spraying mechanisms (3) according to the height of the crops. Since the spraying shape of the atomizing nozzle (36) is conical, the height of the atomizing nozzle (36) is adjusted so that the water and fertilizer sprayed by the plurality of atomizing nozzles (36) can fully cover the crops; S3, the water pump (55) is started to pump water and fertilizer along the water supply hose (52), and is introduced into the water inlet pipe (38) of the two groups of spraying mechanisms (3) along the dispersion box (56), and is transmitted through the three-way connector (34) and the atomizing pipe (35), and is sprayed out after being atomized by the atomizing nozzle (36) to water and fertilize the crops. At the same time, the controller (9) controls the driving motor (8) to drive the walking wheel (7) to rotate, driving the device to move in the seedling raising area, and comprehensively watering and fertilizing the crops in the seedling raising area; S4. When the device moves, the reel (51) unfolds the water supply hose (52), and the water inlet of the water pump (55) is connected to the water supply hose (52) through the rotary joint (53) and the connecting groove (54), ensuring that the water inlet of the water pump (55) is still connected to the water supply hose (52) when the reel (51) rotates; S5, when the output shaft of the electric telescopic rod (32) extends to drive the scissor-type telescopic frame (33) to unfold, the electric telescopic rod (32) The adjusting slider (37) and the push plate (42) are synchronously driven to move, and the push plate (42) drives one end of the pressurized ball bladder (43) to move, and air is sucked along the one-way air inlet valve (44). After the watering and fertilizing is completed, the electric telescopic rod (32) drives the scissor-type telescopic frame (33) to contract and synchronously drives the adjusting slider (37) and the push plate (42) to reset. The push plate (42) moves to squeeze the pressurized ball bladder (43). The gas in the pressurized ball bladder (43) is introduced into the water inlet pipe (38) through the one-way air outlet valve (45) and is restricted by the one-way water inlet valve (39). The gas is discharged through the three-way connector (34), the atomizing pipe (35) and along the atomizing nozzle (36), and the atomizing nozzle (36) is cleaned by the air flow.

Images