CN112056193B

CN112056193B - Intelligent vegetable planting device

Info

Publication number: CN112056193B
Application number: CN202010992061.6A
Authority: CN
Inventors: 戴忠惠
Original assignee: Nanjing Likang Intelligent Technology Co ltd
Current assignee: Nanjing Hengxi Agricultural Development Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2022-07-05
Anticipated expiration: 2040-09-21
Also published as: CN112056193A

Abstract

The invention relates to an intelligent vegetable planting device which comprises a base, two fixed plates, a box body, a moving mechanism and a spraying mechanism, wherein the box body is arranged at one end of the base, the two fixed plates are arranged on the base, the moving mechanism is arranged between the two fixed plates, the spraying mechanism is arranged on the moving mechanism, the intelligent vegetable planting device realizes the movement of the spraying mechanism through the moving mechanism, and watering is realized through the spraying mechanism.

Description

Intelligence vegetable planting device

Technical Field

The invention relates to an intelligent vegetable planting device.

Background

The vegetables are plants or fungi which can be used as dishes and cooked into food, can provide various nutrients such as vitamins and minerals necessary for human bodies, and are one of essential foods in daily diet of people.

Vegetables are when planting, because the seed germination phase needs water much, the seeding is to irritate sufficient seeding water, the root system growth is when giving first place to, it is suitable to require soil moisture, moisture can not be too little or too much, and current vegetable planting device does not generally have better humidity control device, soil receives the influence of temperature easily, soil moisture produces great change, thereby influence the growth of vegetables, and simultaneously, during vegetable planting, traditional mode of watering generally waters through the manual work, consume great manpower, and efficiency is not high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the intelligent vegetable planting device is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent vegetable planting device comprises a base, two fixed plates, a box body, two moving mechanisms and a spraying mechanism, wherein the box body is arranged at one end of the base;

the moving mechanism comprises a bottom plate, a driving assembly, a moving assembly and a positioning assembly, wherein the fixed plates are provided with sliding grooves, two ends of the bottom plate are positioned in the two sliding grooves of the two fixed plates, the bottom plate is in sliding connection with the sliding grooves, the driving assembly comprises a motor and a driving shaft, the motor is horizontally arranged on the bottom plate, the driving shaft is installed on the motor, the moving assembly comprises a rotating shaft, rotating wheels, a fixed shaft, a gear and a rack, the driving shaft is arranged in a hollow mode, one end of the rotating shaft is positioned in the driving shaft, the other end of the rotating shaft extends out of the driving shaft, the rotating shaft is coaxially arranged with the driving shaft, the fixed shaft is arranged below the bottom plate, the rotating wheels are two, the two rotating wheels are respectively sleeved on the rotating shaft and the fixed shaft, the two rotating wheels are respectively in key connection with the rotating shaft and the fixed shaft, the two rotating wheels are in transmission connection through a belt, the gear is sleeved on the fixed shaft, the gear is connected with the fixed shaft key, the rack is arranged on the base, the rack is parallel to the fixed plate, the rack is meshed with the gear, the positioning component comprises an adsorption unit and a positioning unit, the adsorption unit comprises a permanent magnet, an electromagnet, a fixed plate, a positioning rod and a first spring, the fixed plate is arranged on one side of the motor, which is far away from the driving shaft, the fixed plate is coaxially arranged with an output shaft of the motor, the permanent magnet is arranged on one side of the fixed plate, which is far away from the motor, the positioning rod is arranged on the permanent magnet, the positioning rod penetrates through the fixed plate, the positioning rod is slidably connected with the fixed plate, the first spring is sleeved on the positioning rod, the first spring is positioned between the permanent magnet and the fixed plate, one end of the first spring is connected with the permanent magnet, the other end of the first spring is connected with the fixed plate, the electromagnet is arranged on the fixed plate, which is close to the motor, the positioning unit comprises a positioning block, a sliding block, a positioning column, a second spring and a pull rope, the positioning block is arranged in the driving shaft, the positioning block is in sliding connection with the driving shaft, the sliding block is arranged on the positioning block, a strip-shaped groove is formed in the driving shaft, the sliding block is located in the strip-shaped groove, the sliding block is in sliding connection with the strip-shaped groove, the positioning column is arranged on the positioning block, a through hole is formed in one end, located in the driving shaft, of the rotating shaft, the positioning column is located in the through hole, the positioning column is in sliding connection with the through hole, the second spring is located in the driving shaft, one end of the second spring is connected with the driving shaft, the other end of the second spring is connected with the positioning block, and a round hole is formed in an output shaft of the motor, one end of the pull rope is connected with the positioning block, and the other end of the pull rope penetrates through the driving shaft and the round hole to be connected with the permanent magnet;

the spraying mechanism comprises electric pieces, a water tank, a water pump, a water outlet pipe and a spray head, wherein the electric pieces are arranged in a driving shaft, the electric pieces are two, one of the electric pieces is arranged on a positioning block, the other electric piece is arranged on the driving shaft, the two electric pieces are opposite to each other, the water tank is arranged on a bottom plate, the water pump is arranged in the water tank, the water outlet pipe is arranged on the water tank, the water outlet pipe is communicated with the inside of the water pump, the water outlet pipe is positioned above the tank body, the spray head is arranged on the water outlet pipe, and the spray head is communicated with the inside of the water tank through the water outlet pipe.

In order to avoid the stay cord winding, be equipped with fixed unit on the permanent magnet, fixed unit includes bearing frame and connecting block, the bearing frame sets up on the permanent magnet, the bearing frame is located between permanent magnet and the fixed disk, the connecting block sets up in the bearing frame, the connecting block is connected with the inner circle of bearing frame, the stay cord is kept away from the one end of locating piece and is connected with the connecting block.

In order to monitor the humidity in the box body, a humidity sensor is arranged in the box body, a plurality of humidity sensors are arranged, and each humidity sensor corresponds to each electromagnet.

In order to reduce friction and better limit the movement of the bottom plate, one end of the bottom plate, which is positioned in the sliding groove, is provided with a roller, a limiting groove is arranged in the sliding groove, the roller is positioned in the limiting groove, and the roller is in rolling connection with the limiting groove.

In order to carry out better spacing to the removal of permanent magnet, the locating lever is four, and four locating levers all set up on the fixed disk, and four locating levers are located same circumference, and the contained angle that two adjacent locating levers formed is 90, first spring has four, and four first springs overlap respectively and establish on four locating levers.

In order to make the better rotation of pivot, the reference column has four, and four reference columns all set up on the locating piece, and four reference columns all are located same circumference, and the contained angle that two adjacent reference columns formed is 90, it has four to perforate, and two reference columns are located four perforations respectively.

In order to better limit the movement of the positioning block, the number of the sliding blocks is two, the two sliding blocks are respectively positioned on two sides of the positioning block, the number of the strip-shaped grooves is two, and the two sliding blocks are respectively positioned in the two strip-shaped grooves.

In order to better limit the movement of the positioning block, the section of the sliding block is dovetail-shaped, and the strip-shaped groove is a dovetail groove.

In order to realize better spraying effect, the spray heads are a plurality of and are uniformly arranged on the water outlet pipe.

In order to realize automatic control, be equipped with PLC on the base, motor, electric piece, water pump, humidity transducer and electro-magnet all are connected with PLC electricity.

The intelligent vegetable planting device has the advantages that the moving mechanism is used for moving the spraying mechanism, the spraying mechanism is used for watering, compared with the existing vegetable planting device, the intelligent vegetable planting device can keep a good growth environment for vegetables through all-weather monitoring of soil humidity, manual watering is not needed, manpower is saved, online watering of the device is achieved through linkage of the adsorption component and the spraying component, and the linkage adopts a pure mechanical mechanism, so that the stability and the service life of the device are improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of an intelligent vegetable planting device of the present invention;

FIG. 2 is a schematic view of the connection structure of the driving assembly and the positioning assembly of the intelligent vegetable planting device of the present invention;

FIG. 3 is a schematic view of a connection structure of an electromagnet and a fixing plate of the intelligent vegetable planting device of the present invention;

FIG. 4 is a schematic view of a connection structure of a positioning block and a driving shaft of the intelligent vegetable planting device of the present invention;

in the figure: 1. the automatic water-saving device comprises a base, 2 parts of a fixing plate, 3 parts of a box body, 4 parts of a bottom plate, 5 parts of a motor, 6 parts of a driving shaft, 7 parts of a rotating shaft, 8 parts of a rotating wheel, 9 parts of a fixing shaft, 10 parts of a gear, 11 parts of a rack, 12 parts of a permanent magnet, 13 parts of an electromagnet, 14 parts of a fixing plate, 15 parts of a positioning rod, 16 parts of a first spring, 17 parts of a positioning block, 18 parts of a sliding block, 19 parts of a positioning column, 20 parts of a second spring, 21 parts of a pull rope, 22 parts of an electric sheet, 23 parts of a water tank, 24 parts of a water pump, 25 parts of a water outlet pipe, 26 parts of a spray head, 27 parts of a bearing block, 28 parts of a connecting block, 29 parts of a humidity sensor and 30 parts of a roller.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an intelligent vegetable planting device comprises a base 1, two fixed plates 2, a box 3, two moving mechanisms and a spraying mechanism, wherein the box 3 is arranged at one end of the base 1, the fixed plates 2 are arranged on the base 1, the two fixed plates 2 are arranged, the moving mechanisms are arranged between the two fixed plates 2, and the spraying mechanism is arranged on the moving mechanisms;

when the device is used, soil is added into the box body 3, then vegetable seeds are buried in the soil, when watering is needed, the spraying mechanism is moved to a place where watering is needed through operation of the moving mechanism, and then watering is achieved through operation of the spraying mechanism.

As shown in fig. 2-4, the moving mechanism includes a bottom plate 4, a driving assembly, a moving assembly and a positioning assembly, the fixing plate 2 is provided with sliding grooves, two ends of the bottom plate 4 are located in the two sliding grooves of the two fixing plates 2, the bottom plate 4 is slidably connected with the sliding grooves, the driving assembly includes a motor 5 and a driving shaft 6, the motor 5 is horizontally disposed on the bottom plate 4, the driving shaft 6 is mounted on the motor 5, the moving assembly includes a rotating shaft 7, a rotating wheel 8, a fixing shaft 9, a gear 10 and a rack 11, the driving shaft 6 is hollow, one end of the rotating shaft 7 is located in the driving shaft 6, the other end of the rotating shaft 7 extends out of the driving shaft 6, the rotating shaft 7 and the driving shaft 6 are coaxially disposed, the fixing shaft 9 is disposed below the bottom plate 4, the rotating wheel 8 is provided with two rotating wheels 8, the two rotating wheels 8 are respectively sleeved on the rotating shaft 7 and the fixing shaft 9, two runners 8 are respectively connected with a rotating shaft 7 and a fixed shaft 9 in a key way, two runners 8 are connected through belt transmission, a gear 10 is sleeved on the fixed shaft 9, the gear 10 is connected with the fixed shaft 9 in a key way, a rack 11 is arranged on a base 1, the rack 11 is parallel to a fixed plate 2, the rack 11 is meshed with the gear 10, a positioning component comprises an adsorption unit and a positioning unit, the adsorption unit comprises a permanent magnet 12, an electromagnet 13, a fixed plate 14, a positioning rod 15 and a first spring 16, the fixed plate 14 is arranged on one side of the motor 5 far away from a driving shaft 6, the fixed plate 14 is coaxially arranged with an output shaft of the motor 5, the permanent magnet 12 is arranged on one side of the fixed plate 14 far away from the motor 5, the positioning rod 15 is arranged on the permanent magnet 12, the positioning rod 15 penetrates through the fixed plate 14, and the positioning rod 15 is connected with the fixed plate 14 in a sliding way, the first spring 16 is sleeved on the positioning rod 15, the first spring 16 is located between the permanent magnet 12 and the fixed plate 14, one end of the first spring 16 is connected with the permanent magnet 12, the other end of the first spring 16 is connected with the fixed plate 14, the electromagnets 13 are arranged on the fixed plate 2 close to the motor 5, a plurality of electromagnets 13 are arranged, the electromagnets 13 are uniformly arranged along the axis direction of the fixed plate 2, the permanent magnet 12 is arranged opposite to one of the electromagnets 13, the positioning unit comprises a positioning block 17, a sliding block 18, a positioning column 19, a second spring 20 and a pull rope 21, the positioning block 17 is arranged in the driving shaft 6, the positioning block 17 is connected with the driving shaft 6 in a sliding manner, the sliding block 18 is arranged on the positioning block 17, a strip-shaped groove is arranged in the driving shaft 6, the sliding block 18 is located in the strip-shaped groove, and the sliding block 18 is connected with the strip-shaped groove in a sliding manner, the positioning column 19 is arranged on the positioning block 17, a through hole is formed in one end, located in the driving shaft 6, of the rotating shaft 7, the positioning column 19 is located in the through hole, the positioning column 19 is connected with the through hole in a sliding mode, the second spring 20 is located in the driving shaft 6, one end of the second spring 20 is connected with the driving shaft 6, the other end of the second spring 20 is connected with the positioning block 17, a round hole is formed in an output shaft of the motor 5, one end of the pull rope 21 is connected with the positioning block 17, and the other end of the pull rope 21 penetrates through the driving shaft 6 and the round hole to be connected with the permanent magnet 12;

the humidity of soil is monitored and analyzed in real time through the humidity sensor 29, collected data are sent to the PLC through electric signals, the PLC analyzes the data, when the data are in a preset interval, the humidity is normal, watering is not needed, when the data are lower than a preset value, the PLC controls the motor 5 to operate if the water content is insufficient, the motor 5 drives the driving shaft 6 to rotate, the driving shaft 6 drives the sliding block 18 to rotate, the sliding block 18 drives the positioning block 17 to rotate, the positioning block 17 drives the positioning column 19 to rotate, the positioning column 19 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the rotating wheel 8 connected with the rotating shaft 7 to rotate, the rotating wheel 8 drives the other rotating wheel 8 to rotate through a belt, the other rotating wheel 8 drives the fixing shaft 9 to rotate, the fixing shaft 9 drives the gear 10 to rotate, and the gear 10 is meshed with the rack 11, so that the gear 10 moves along the axial direction of the rack 11, so that the entire moving assembly moves in the axial direction of the rack 11.

The bottom plate 4 is here located in the chute so that the bottom plate 4 can only move in the direction of the axis of the chute, thereby limiting the movement of the bottom plate 4.

The bottom plate 4 moves to drive the roller 30 to move, and the roller 30 is positioned in the limiting groove, so that the movement of the roller 30 is limited, and the movement of the bottom plate 4 is better limited.

Here, in an initial state, the second spring 20 is in a compressed state, the restoring force of the second spring 20 generates an outward pushing force on the positioning block 17, so that the positioning column 19 is always located in the through hole, so that the driving shaft 6 can drive the rotating shaft 7 to rotate when rotating, when data sent by the humidity sensor 29 at a certain position in the box body 3 is lower than a preset value, the PLC controls the electromagnet 13 corresponding to the humidity sensor 29 to operate, the electromagnet 13 generates magnetism, the permanent magnet 12 on the moving mechanism approaches towards the electromagnet 13 along with the movement of the moving mechanism, when the permanent magnet 12 is aligned with the electromagnet 13, the electromagnet 13 generates a suction force on the permanent magnet 12, so that the permanent magnet 12 approaches towards the electromagnet 13, so that the permanent magnet 12 pulls the pulling rope 21, the pulling rope 21 pulls the positioning block 17 to move, the positioning block 17 pulls the positioning column 19 to move the positioning column 19 out of the through hole, therefore, when the driving shaft 6 rotates, the positioning column 19 cannot drive the rotating shaft 7 to rotate, the rotating shaft 7 cannot rotate, that is, the rotating wheel 8 cannot rotate, so that the gear 10 on the fixed shaft 9 cannot rotate, the moving device stops moving, the spraying mechanism is moved to a place needing watering, then the spraying mechanism waters into the box body 3, so that the soil humidity at the place is increased, when the data sent by the humidity sensor 29 to the PLC is higher than a preset value, that is, the moisture is sufficient, the PLC controls the electromagnet 13 to stop running, the permanent magnet 12 cannot be attracted, the first spring 16 is in a stretching state at the moment, the restoring force of the first spring 16 generates a pulling force on the permanent magnet 12, meanwhile, the second spring 20 is in a further compressing state, the restoring force of the second spring 20 generates a pushing force on the positioning block 17, so that under the action of the first spring 16 and the second spring 20, the permanent magnet 12 returns to the initial position, the pulling rope 21 is released, the positioning block 17 cannot be pulled by the pulling force of the pulling rope 21, and then the initial position is returned, so that the positioning column 19 is clamped into the through hole again, the driving shaft 6 can drive the rotating shaft 7 to rotate again, the gear 10 rotates again, and the spraying mechanism on the moving mechanism moves to the next watering point.

Here, the movement of the permanent magnet 12 drives the positioning rod 15 to move, and the positioning rod 15 passes through the fixed disk 14, thereby limiting the movement of the positioning rod 15, and further limiting the movement of the permanent magnet 12.

The slider 18 is here located in the dovetail groove so that the slider 18 can only move in the direction of the axis of the dovetail groove, thereby providing a better limit to the movement of the slider 18.

In order to avoid winding the pull rope 21, a fixing unit is arranged on the permanent magnet 12 and comprises a bearing seat 27 and a connecting block 28, the bearing seat 27 is arranged on the permanent magnet 12, the bearing seat 27 is positioned between the permanent magnet 12 and the fixed disc 14, the connecting block 28 is arranged in the bearing seat 27, the connecting block 28 is connected with an inner ring of the bearing seat 27, and one end, far away from the positioning block 17, of the pull rope 21 is connected with the connecting block 28.

In order to monitor the humidity in the box body 3, a plurality of humidity sensors 29 are arranged in the box body 3, and each humidity sensor 29 is arranged corresponding to each electromagnet 13.

In order to reduce friction and better limit the movement of the bottom plate 4, one end of the bottom plate 4, which is positioned in the sliding groove, is provided with a roller 30, a limiting groove is arranged in the sliding groove, the roller 30 is positioned in the limiting groove, and the roller 30 is in rolling connection with the limiting groove.

For better spacing to the removal of permanent magnet 12, locating lever 15 four, four locating levers 15 all set up on fixed disk 14, and four locating levers 15 are located same circumference, and the contained angle that two adjacent locating levers 15 formed is 90, first spring 16 has four, and four first springs 16 overlap respectively and establish on four locating levers 15.

For making the better rotation of pivot 7, reference column 19 has four, and four reference columns 19 all set up on locating piece 17, and four reference columns 19 all are located same circumference, and the contained angle that two adjacent reference columns 19 formed is 90, it has four to perforate, and two reference columns 19 are located four through holes respectively.

In order to better limit the movement of the positioning block 17, the number of the sliding blocks 18 is two, the two sliding blocks 18 are respectively located on two sides of the positioning block 17, the number of the strip-shaped grooves is two, and the two sliding blocks 18 are respectively located in the two strip-shaped grooves.

In order to better limit the movement of the positioning block 17, the section of the sliding block 18 is dovetail-shaped, and the strip-shaped groove is a dovetail groove.

Spraying mechanism includes electric piece 22, water tank 23, water pump 24, outlet pipe 25 and shower nozzle 26, electric piece 22 sets up in drive shaft 6, electric piece 22 has two, and one of them electric piece 22 sets up on locating piece 17, and another electric piece 22 sets up on drive shaft 6, and two electric pieces 22 are just to setting up, water tank 23 sets up on bottom plate 4, water pump 24 sets up in water tank 23, outlet pipe 25 sets up on water tank 23, outlet pipe 25 and the inside intercommunication of water pump 24, outlet pipe 25 is located 3 tops of box, shower nozzle 26 sets up on outlet pipe 25, shower nozzle 26 passes through outlet pipe 25 and the inside intercommunication of water tank 23.

When the spraying mechanism moves to a watering point, the positioning block 17 moves towards the motor 5, so that the electric sheet 22 on the positioning block 17 is close to the other electric sheet 22, the two electric sheets 22 are attached to each other, the water pump 24 is powered on, the water pump 24 is driven to run, the water in the water tank 23 is pumped into the water outlet pipe 25 by the water pump 24, and then the water is sprayed out by each spray head 26 on the water outlet pipe 25, so that watering is realized.

After watering is finished, the positioning block 17 moves reversely, so that the electric sheet 22 on the positioning block 17 is separated from the electric sheet 22 in the driving shaft 6, the water pump 24 is powered off, and watering is stopped.

In order to achieve better spraying effect, the spray heads 26 are provided in a plurality, and each spray head 26 is uniformly arranged on the water outlet pipe 25.

In order to realize automatic control, the base 1 is provided with a PLC, and the motor 5, the electric sheet 22, the water pump 24, the humidity sensor 29 and the electromagnet 13 are all electrically connected with the PLC.

When the device is used, the moisture of each position in the box body 3 is monitored through the humidity sensor 29, when the moisture is insufficient, the positioning component is driven to rotate through the driving component, the positioning component drives the moving component to move, the device is moved to a watering point, the positioning unit is driven to move through the adsorption unit, the positioning column 19 is separated from the rotating shaft 7, so that the moving mechanism stops moving, the spraying mechanism stops at the watering point, meanwhile, the adsorption unit drives the two electric pieces 22 to be attached, the water pump 24 operates, water is sprayed to the watering point, when the moisture is enough, the adsorption unit stops operating, so that the two electric pieces 22 are separated, the watering mechanism stops operating, automatic control is realized through the PLC, manpower is saved, the working efficiency is improved, and all-weather monitoring and intelligent watering is realized through the humidity sensor 29, ensuring the growth of vegetables.

Compared with the prior art, this intelligence vegetable planting device realizes the removal of spray mechanism through moving mechanism, realizes watering through spray mechanism, compares with current vegetable planting device, and the device passes through soil moisture's all-weather control for the better growing environment of keeping of vegetables need not the manual work and waters, has saved the manpower, through adsorption component and the linkage that sprays the subassembly, has realized that the online of device waters, and this linkage adopts pure mechanical mechanism, has improved the stability and the life of device.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The intelligent vegetable planting device is characterized by comprising a base (1), two fixed plates (2), two box bodies (3), two moving mechanisms and two spraying mechanisms, wherein the box bodies (3) are arranged at one end of the base (1), the fixed plates (2) are arranged on the base (1), and the spraying mechanisms are arranged on the moving mechanisms;

the moving mechanism comprises a bottom plate (4), a driving assembly, a moving assembly and a positioning assembly, wherein sliding grooves are formed in the fixed plates (2), two ends of the bottom plate (4) are located in the two sliding grooves of the two fixed plates (2), the bottom plate (4) is in sliding connection with the sliding grooves, the driving assembly comprises a motor (5) and a driving shaft (6), the motor (5) is horizontally arranged on the bottom plate (4), the driving shaft (6) is installed on the motor (5), the moving assembly comprises a rotating shaft (7), a rotating wheel (8), a fixed shaft (9), a gear (10) and a rack (11), the driving shaft (6) is arranged in a hollow mode, one end of the rotating shaft (7) is located in the driving shaft (6), the other end of the rotating shaft (7) extends out of the driving shaft (6), the rotating shaft (7) and the driving shaft (6) are coaxially arranged, the fixed shaft (9) is arranged below the bottom plate (4), the utility model discloses a motor, including pivot (7) and fixed axle (9), runner (8) have two, and two runners (8) are established respectively on pivot (7) and fixed axle (9), and two runners (8) are connected with pivot (7) and fixed axle (9) key-type respectively, and two runners (8) are connected through belt transmission, gear (10) cover is established on fixed axle (9), gear (10) and fixed axle (9) key-type connection, rack (11) set up on base (1), rack (11) are parallel with fixed plate (2), rack (11) and gear (10) meshing, locating component includes adsorption unit and locating unit, adsorption unit includes permanent magnet (12), electro-magnet (13), fixed disk (14), locating lever (15) and first spring (16), one side of drive shaft (6) is kept away from in motor (5) in fixed disk (14) setting, fixed disk (14) and the coaxial setting of the output shaft of motor (5), the permanent magnet (12) is arranged on one side of a fixed disc (14) far away from the motor (5), the positioning rod (15) is arranged on the permanent magnet (12), the positioning rod (15) penetrates through the fixed disc (14), the positioning rod (15) is connected with the fixed disc (14) in a sliding mode, the first spring (16) is sleeved on the positioning rod (15), the first spring (16) is located between the permanent magnet (12) and the fixed disc (14), one end of the first spring (16) is connected with the permanent magnet (12), the other end of the first spring (16) is connected with the fixed disc (14), the electromagnet (13) is arranged on a fixed plate (2) close to the motor (5), the electromagnet (13) is provided with a plurality of electromagnets, the electromagnets (13) are evenly arranged along the axis direction of the fixed plate (2), and the permanent magnet (12) is just opposite to one of the electromagnets (13), the positioning unit comprises a positioning block (17), a sliding block (18), a positioning column (19), a second spring (20) and a pull rope (21), the positioning block (17) is arranged in the driving shaft (6), the positioning block (17) is in sliding connection with the driving shaft (6), the sliding block (18) is arranged on the positioning block (17), a strip-shaped groove is formed in the driving shaft (6), the sliding block (18) is located in the strip-shaped groove, the sliding block (18) is in sliding connection with the strip-shaped groove, the positioning column (19) is arranged on the positioning block (17), a through hole is formed in one end, located in the driving shaft (6), of the rotating shaft (7), the positioning column (19) is located in the through hole, the positioning column (19) is in sliding connection with the through hole, the second spring (20) is located in the driving shaft (6), one end of the second spring (20) is connected with the driving shaft (6), the other end of the second spring (20) is connected with the positioning block (17), a round hole is formed in an output shaft of the motor (5), one end of the pull rope (21) is connected with the positioning block (17), and the other end of the pull rope (21) penetrates through the driving shaft (6) and the round hole to be connected with the permanent magnet (12);

spraying mechanism includes electric piece (22), water tank (23), water pump (24), outlet pipe (25) and shower nozzle (26), electric piece (22) set up in drive shaft (6), electric piece (22) have two, and one of them electric piece (22) sets up on locating piece (17), and another electric piece (22) set up on drive shaft (6), and two electric pieces (22) are just to setting up, water tank (23) set up on bottom plate (4), water pump (24) set up in water tank (23), outlet pipe (25) set up on water tank (23), outlet pipe (25) and water pump (24) inside intercommunication, outlet pipe (25) are located box (3) top, shower nozzle (26) set up on outlet pipe (25), shower nozzle (26) are through outlet pipe (25) and water tank (23) inside intercommunication.

2. The intelligent vegetable planting device of claim 1, wherein a fixing unit is arranged on the permanent magnet (12), the fixing unit comprises a bearing seat (27) and a connecting block (28), the bearing seat (27) is arranged on the permanent magnet (12), the bearing seat (27) is positioned between the permanent magnet (12) and the fixed disk (14), the connecting block (28) is arranged in the bearing seat (27), the connecting block (28) is connected with an inner ring of the bearing seat (27), and one end, far away from the positioning block (17), of the pull rope (21) is connected with the connecting block (28).

3. The intelligent vegetable planting device of claim 1, wherein a plurality of humidity sensors (29) are arranged in the box body (3), and each humidity sensor (29) is arranged corresponding to each electromagnet (13).

4. The intelligent vegetable planting device of claim 1, wherein a roller (30) is arranged at one end of the bottom plate (4) in the sliding groove, a limiting groove is arranged in the sliding groove, the roller (30) is arranged in the limiting groove, and the roller (30) is in rolling connection with the limiting groove.

5. The intelligent vegetable planting device of claim 1, wherein four positioning rods (15) are arranged on the fixed disk (14), the four positioning rods (15) are arranged on the same circumference, an included angle formed by two adjacent positioning rods (15) is 90 degrees, the number of the first springs (16) is four, and the four first springs (16) are respectively sleeved on the four positioning rods (15).

6. The intelligent vegetable planting device as claimed in claim 1, wherein the number of the positioning columns (19) is four, four positioning columns (19) are arranged on the positioning block (17), the four positioning columns (19) are located on the same circumference, an included angle formed by two adjacent positioning columns (19) is 90 degrees, the number of the through holes is four, and the two positioning columns (19) are located in the four through holes respectively.

7. The intelligent vegetable planting device of claim 1, wherein the number of the sliding blocks (18) is two, the two sliding blocks (18) are respectively positioned at two sides of the positioning block (17), the number of the strip-shaped grooves is two, and the two sliding blocks (18) are respectively positioned in the two strip-shaped grooves.

8. The intelligent vegetable planting device of claim 7, wherein the cross section of the sliding block (18) is dovetail-shaped, and the strip-shaped groove is a dovetail groove.

9. The intelligent vegetable planting device as claimed in claim 1, wherein the number of the spray heads (26) is several, and each spray head (26) is uniformly arranged on the water outlet pipe (25).

10. The intelligent vegetable planting device of claim 2, wherein the base (1) is provided with a PLC, and the motor (5), the electric sheet (22), the water pump (24), the humidity sensor (29) and the electromagnet (13) are electrically connected with the PLC.