Forestry sapling cultivation device and method with sapling protection and temperature regulation functions

Abstract

The invention provides a forestry sapling cultivation device and method with sapling protection and temperature regulation functions, and relates to the technical field of sapling cultivation. The forestry sapling cultivation device with the sapling protection and temperature adjustment functions comprises a storage box and a control box, the control box is arranged at the position, close to one side, of the front end of the storage box, a base is arranged on the upper end face of the storage box, and a glass cover is fixedly connected to the upper end face of the base; air inlets are formed in the upper portion of the center of one side wall of the glass cover and the center of one side wall of the storage box, air outlets are formed in the upper portion of the center of the other side wall of the glass cover and the center of the other side wall of the storage box, and ventilating fans are fixedly connected to the positions, close to one sides, of the interiors of the two air outlets; and ventilation filtering structures are fixedly connected to the storage box on one sides of the two air inlets and one side wall of the glass cover. Ventilation is facilitated through the ventilation structure, and the situation that growth of the saplings is affected due to large temperature fluctuation can be prevented.

Description

Technical Field

[0001] The invention relates to the technical field of seedling cultivation, and in particular to a forestry seedling cultivation device and method with seedling protection and temperature regulation functions. Background Art

[0002] Saplings, also known as seedlings, are a general term for various fruit tree seedlings, tree seedlings, and shrub seedlings. Saplings have root systems and trunks. All saplings cultivated in a nursery, regardless of their age, are called saplings before they are sent out to the nursery. During the sapling cultivation process, in order to better provide a growth environment for the saplings, it is necessary to use sapling cultivation devices for cultivation, which can not only provide protection for the saplings, but also enable the saplings to grow at a suitable temperature to ensure the survival rate of the saplings.

[0003] There are still some problems in the use of the existing forestry seedling cultivation device. In order to maintain a suitable temperature during the cultivation process, the seedlings are planted inside a greenhouse. However, it is not convenient to ventilate during the greenhouse planting process, which can easily lead to the accumulation of toxic and harmful gases, resulting in a decrease in air quality in the greenhouse and an increase in harmful microorganisms, which affects the healthy growth of the seedlings. In addition, when using ventilation equipment for ventilation, the temperature fluctuates greatly, which can easily affect the growth of the seedlings. Therefore, technical personnel in this field provide a forestry seedling cultivation device and method with seedling protection and temperature regulation functions to solve the problems raised in the above background technology. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a forestry seedling cultivation device and method with seedling protection and temperature regulation functions, which solves the problem that ventilation is inconvenient during the greenhouse planting process, which easily leads to the accumulation of toxic and harmful gases, resulting in a decrease in air quality in the greenhouse and an increase in harmful microorganisms, affecting the healthy growth of seedlings, and that when ventilation equipment is used for ventilation, the temperature fluctuates greatly, which easily affects the growth of seedlings.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the present invention is implemented through the following technical solutions: a forestry seedling cultivation device with seedling protection and temperature regulation functions, including a storage box and a control box, the control box is arranged at the front end of the storage box near one side, the upper end surface of the storage box is provided with a base, a glass cover is fixedly connected to the upper end surface of the base, an air inlet is provided at the center of one side wall of the glass cover and the center of one side wall of the storage box, an air outlet is provided at the center of the other side wall of the glass cover and the center of the other side wall of the storage box, a ventilation fan is fixedly connected to the inside of the two air outlets near one side, and a ventilation filter structure is fixedly connected to one side wall of the storage box and the glass cover on one side of the two air inlets;

[0008] The ventilation and filtering structure includes an air inlet pipe, an electric gate valve is fixedly connected to the end of the air inlet pipe, a connecting plate is provided on the upper end surface of the air inlet pipe on one side of the electric gate valve, an air purification filter element is fixedly connected to the lower end surface of the connecting plate, the air purification filter element penetrates the upper end surface of the air inlet pipe to the lower part of the interior of the air inlet pipe, second hooks are fixedly connected at the lower center of the front and rear end surfaces of the connecting plate, and second buckles are fixedly connected to the front and rear end surfaces of the air inlet pipe located at the lower ends of the two second hooks.

[0009] Preferably, an output switching structure is fixedly connected on one side wall of the storage box on one side of the two air outlets and on one side wall of the glass cover, the output switching structure includes an air outlet pipe, a partition is fixedly connected to one side of the inner center of the air outlet pipe, a dust screen is fixedly connected to one side of the lower end of the partition, sliding grooves are provided on the front and rear inner walls of the air outlet pipe on one side of the partition, baffles are slidably connected inside the two sliding grooves, a servo motor is fixedly connected to the upper end surface of the air outlet pipe at the upper end of the baffle, the output end of the servo motor passes through the upper end surface of the air outlet pipe to the interior of the air outlet pipe, and a screw rod is fixedly connected to the end thereof, the lower end of the screw rod passes through the upper end surface of the baffle to the lower end of the baffle, and the end is rotatably connected to the lower inner wall of the air outlet pipe, and the output end of the air outlet pipe is fixedly connected to an air collecting hood.

[0010] Preferably, the output end of the gas collecting hood is fixedly connected with a connecting pipe, and the output end of the connecting pipe is fixedly connected with a solenoid valve.

[0011] Preferably, a Peltier cooling and heating plate is fixedly connected to one side of the upper end surface of the electric gate valve, one end surface of the Peltier cooling and heating plate passes through the upper end surface of the electric gate valve and reaches the lower end surface of the electric gate valve, a heat-conducting fin is fixedly connected to the upper end surface of the Peltier cooling and heating plate, a shell is sleeved on the outer side wall of the heat-conducting fin, a heat dissipation fan is fixedly connected to the inside of the shell at the rear end of the heat-conducting fin, and a filter is fixedly connected to the inside of the shell at the rear end of the heat dissipation fan and the front of the inside of the shell.

[0012] Preferably, a first temperature sensor is fixedly connected to the upper part of one side of the front end surface of the storage box, a water inlet valve is fixedly connected to the upper center of the front end surface of the storage box, a water outlet valve is fixedly connected to the front end surface of the storage box below the water inlet valve, and a second temperature sensor is fixedly connected to the upper center of the other inner wall of the storage box.

[0013] Preferably, first hooks are fixedly connected to upper portions of both sides of the front and rear end surfaces of the storage box, and first buckles are provided on the front and rear end surfaces of the four upper end bases of the first hooks.

[0014] Preferably, multiple placement racks are arranged horizontally at the upper part of the storage box, three planting frames are arranged front and back on the upper end surfaces of the multiple placement racks, handles are fixedly connected to the front and rear end surfaces of the multiple placement racks, grooves are opened on the upper end surface of the storage box at the lower ends of the multiple handles, and the multiple handles are slidably connected in the multiple grooves respectively, and a delivery pump is fixedly connected to the lower inner wall of the storage box located on one side of the multiple planting frames, and a rotary joint is fixedly connected to the output end of the multiple delivery pumps, and a delivery pipe is fixedly connected to the output end of the multiple rotary joints.

[0015] The forestry seedling cultivation method with seedling protection and temperature regulation functions comprises the following steps:

[0016] S1. Planting saplings, first place multiple planting frames on multiple placement racks, then plant saplings inside the planting frames, place multiple placement racks inside the storage box by handles, then place the base and the glass cover on the upper end surface of the storage box, and then hang the four first hooks on the four first buckles to fix the base and the glass cover;

[0017] S2. Ventilation and filtration, by controlling the two ventilation fans to start, the two ventilation fans extract the air inside the storage box and the glass cover, so as to generate negative pressure inside the storage box and the glass cover, and then by opening the electric gate valve, the air enters through the two air inlet pipes, and the air enters the storage box and the glass cover after being filtered by the two air purification filter elements, so as to prevent the entry of external dust, harmful gases, pathogens and microorganisms, and prevent the growth of the seedlings from being affected. After ventilation and filtration, the hanging rods on the four second buckles can be removed from the four second hooks to facilitate the removal of the air purification filter element for cleaning and replacement. After cleaning and replacement, the air purification filter element is inserted into the air inlet pipe, and then hung on the four second hooks by the hanging rods on the four second buckles for fixing;

[0018] S3. Temperature compensation, the temperature difference between the outside and inside of the storage box is monitored in real time through the second temperature sensor and the first temperature sensor, and the Peltier cooling and heating sheet is controlled to start. When the current passes through the electric couple composed of N-type and P-type semiconductors, the electrons and holes move to the cold end and the hot end respectively under the action of the electric field, causing the cold end to absorb heat and the hot end to release heat, and the temperature of the incoming air is compensated to prevent the difference between the outside air and the air inside the storage box, resulting in large temperature fluctuations, thereby affecting the growth of the seedlings, and the heating or cooling temperature at the other end is derived through the heat conducting fins, and then the heat dissipation fan is controlled to start, and the heat dissipation fan blows out the heat and low temperature transferred on the heat conducting fins, so that the Peltier cooling and heating sheet can be used for a long time;

[0019] S4. Backflow switching, control the electric gate valve to close to prevent air from entering through the air inlet pipe, and start the servo motor in the forward direction. The servo motor drives the screw rod to rotate, so that the baffle moves downward, thereby blocking the baffle at the lower part of one side of the partition, so that the air passes through the air collecting hood and enters the connecting pipe. Then open the solenoid valve to allow the air to enter the air inlet pipe through the solenoid valve, and then filter it again to enter the storage box and the glass cover to prevent the outside air from being too large, thereby affecting the growth of the seedlings. Then control the servo motor to start in the reverse direction, and the servo motor drives the screw rod to rotate in the reverse direction, so that the baffle moves upward along the slide slot, blocking the position connected to the air collecting hood, so that the air is discharged through the dustproof net, which is convenient for switching according to the actual situation;

[0020] S5. Seedling cultivation, nutrient solution is delivered to the storage tank through the water inlet valve, and then multiple delivery pumps are started by controlling the multiple delivery pumps to deliver the nutrient solution to the inside of multiple rotary joints, and then enter the inside of multiple delivery pipes through multiple rotary joints, and drip through the output ends of multiple delivery pipes into multiple planting frames for easy cultivation;

[0021] S6. Replace the saplings. After the saplings grow up, remove the hanging rods on the outside of the four first buckles from the four first hooks, remove the base and the glass cover, and then rotate the multiple conveying tubes to facilitate taking out the multiple placement racks through the handles, and then put the placement racks planted with the saplings into the storage box, rotate the multiple conveying tubes so that the output ends of the multiple conveying tubes are located at the upper ends of the multiple planting frames, and then cultivate the saplings by placing the base and the glass cover on the upper end of the storage box.

[0022] (III) Beneficial effects

[0023] The present invention provides a forestry seedling cultivation device and method with seedling protection and temperature regulation functions. It has the following beneficial effects:

[0024] 1. In the present invention, two ventilation fans are controlled to start, and the two ventilation fans draw out the air inside the storage box and the glass cover, so that negative pressure is generated inside the storage box and the glass cover. Then, the electric gate valve is opened to allow air to enter through the two air inlet pipes. The air enters the storage box and the glass cover after being filtered by two air purification filter elements, thereby preventing the entry of external dust, harmful gases, pathogens and microorganisms, and preventing the growth of seedlings from being affected.

[0025] 2. In the present invention, the temperature difference between the outside and the inside of the storage box is monitored in real time by the second temperature sensor and the first temperature sensor, and the Peltier cooling and heating plate is started by controlling the current to pass through the electric couple composed of N-type and P-type semiconductors, and the electrons and holes move to the cold end and the hot end respectively under the action of the electric field, causing the cold end to absorb heat and the hot end to release heat, so as to compensate the temperature of the incoming air and prevent the difference between the outside air and the air inside the storage box, resulting in large temperature fluctuations, thereby affecting the growth of the seedlings.

[0026] 3. In the present invention, the electric gate valve is controlled to be closed to prevent air from entering through the air inlet pipe. By controlling the servo motor to start in the forward direction, the servo motor drives the screw rod to rotate, thereby moving the baffle downward, thereby blocking the baffle at the lower part of one side of the partition, allowing air to enter the inside of the connecting pipe through the air collecting hood, and then opening the solenoid valve to allow air to enter the inside of the air inlet pipe through the solenoid valve, and then filter again to enter the storage box and the glass cover, thereby reducing the energy waste caused by the large temperature difference with the outside air and the need for long-term temperature compensation.

[0027] 4. In the present invention, after the saplings grow up, the hanging rods outside the four first buckles are removed from the four first hooks, the base and the glass cover are removed, and the multiple conveying tubes are rotated, so that the multiple placement racks can be taken out through the handles, and then the placement racks planted with the saplings are placed in the storage box, and the multiple conveying tubes are rotated so that the output ends of the multiple conveying tubes are located at the upper ends of the multiple planting frames, and then the base and the glass cover are placed at the upper end of the storage box, so that the saplings can be placed and taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A perspective view of the present invention;

[0029] Figure 2 is a three-dimensional cross-sectional view of the present invention;

[0030] Figure 3 It is a front cross-sectional view of the present invention;

[0031] Figure 4 is a three-dimensional diagram of a storage box of the present invention;

[0032] Figure 5 for Figure 3 The enlarged schematic diagram of point A in the middle;

[0033] Figure 6 for Figure 3 A magnified schematic diagram of point B in the middle.

[0034] Among them, 1. storage box; 2. first temperature sensor; 3. ventilation filter structure; 301. second buckle; 302. second hook; 303. output switching structure; 3031. outlet pipe; 3032. partition; 3033. dust screen; 3034. servo motor; 3035. slide; 3036. baffle; 3037. air collecting hood; 3038. screw rod; 304. connecting pipe; 305. solenoid valve; 306. electric gate valve; 307. air inlet pipe; 308. connecting plate; 309. air Purification filter element; 310, Peltier cooling and heating plate; 311, shell; 312, heat-conducting fins; 313, filter screen; 314, cooling fan; 4, glass cover; 5, base; 6, first hook; 7, first buckle; 8, control box; 9, water inlet valve; 10, water outlet valve; 11, air outlet; 12, air inlet; 13, placement rack; 14, planting frame; 15, delivery pump; 16, rotary joint; 17, delivery pipe; 18, handle; 19, groove; 20, second temperature sensor; 21, ventilation fan. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0036] Embodiment 1:

[0037] like Figure 1-6 As shown, the embodiment of the present invention provides a forestry seedling cultivation device with seedling protection and temperature regulation functions, including a storage box 1 and a control box 8. The control box 8 is arranged at one side of the front end of the storage box 1. A base 5 is provided on the upper end surface of the storage box 1. A glass cover 4 is fixedly connected to the upper end surface of the base 5. An air inlet 12 is provided at the upper center of one side wall of the glass cover 4 and the center of one side wall of the storage box 1. Air enters through the air inlet 12. An air outlet 11 is provided at the upper center of the other side wall of the glass cover 4 and the center of the other side wall of the storage box 1. A ventilation fan 21 is fixedly connected to the inside of the two air outlets 11 at one side. The ventilation fan 21 is used to facilitate replacement of the air inside the storage box 1 and the glass cover 4. A ventilation filter structure 3 is fixedly connected to one side wall of the storage box 1 and the glass cover 4 on one side of the two air inlets 12. The ventilation structure 3 facilitates ventilation and can prevent large temperature fluctuations that affect the growth of seedlings.

[0038] The ventilation and filtering structure 3 includes an air inlet pipe 307, an electric gate valve 306 is fixedly connected to the end of the air inlet pipe 307, a connecting plate 308 is provided on the upper end surface of the air inlet pipe 307 on one side of the electric gate valve 306, an air purification filter element 309 is fixedly connected to the lower end surface of the connecting plate 308, the air purification filter element 309 passes through the upper end surface of the air inlet pipe 307 to the lower part of the inside of the air inlet pipe 307, and the second hooks 302 are fixedly connected to the lower center of the front and rear end surfaces of the connecting plate 308. The air inlet pipe 307 located at the lower end of the two second hooks 302 The front and rear end surfaces are both fixedly connected with a second buckle 301. By controlling the two ventilation fans 21 to start, the two ventilation fans 21 draw out the air inside the storage box 1 and the glass cover 4, thereby generating negative pressure inside the storage box 1 and the glass cover 4. Then, by opening the electric gate valve 306, the air enters through the two air inlet pipes 307. The air enters the storage box 1 and the glass cover 4 after being filtered by two air purification filter elements 309, thereby preventing the entry of external dust, harmful gases, pathogens and microorganisms, and preventing the growth of seedlings from being affected.

[0039] like Figure 5 As shown, an output switching structure 303 is fixedly connected on one side wall of the storage box 1 on one side of the two air outlets 11 and on one side wall of the glass cover 4. The output switching structure 303 includes an air outlet pipe 3031. A partition plate 3032 is fixedly connected to one side of the center of the air outlet pipe 3031. A dust screen 3033 is fixedly connected to one side of the lower end of the partition plate 3032. Slide grooves 3035 are provided on the front and rear inner walls of the air outlet pipe 3031 on one side of the partition plate 3032. Baffle plates 3036 are slidably connected inside the two slide grooves 3035. A servo motor 3034 is fixedly connected to the upper end surface of the air outlet pipe 3031 at the upper end of the baffle plate 3036. The servo motor 3034 outputs The upper end of the air outlet pipe 3031 passes through the inner part of the air outlet pipe 3031, and the end is fixedly connected with a screw rod 3038, the lower end of the screw rod 3038 passes through the upper end surface of the baffle 3036 to the lower end of the baffle 3036, and the end is rotatably connected to the lower inner wall of the air outlet pipe 3031, and the output end of the air outlet pipe 3031 is fixedly connected with an air collecting hood 3037. By controlling the servo motor 3034 to start in reverse, the servo motor 3034 drives the screw rod 3038 to rotate in the opposite direction, so that the baffle 3036 moves upward along the slide groove 3035, and the position connected to the air collecting hood 3037 is blocked, so that the air is discharged through the dustproof net 3033, which is convenient for switching according to actual conditions.

[0040] like Figure 1 and 2As shown, the output end of the air collecting hood 3037 is fixedly connected with a connecting pipe 304, and the output end of the connecting pipe 304 is fixedly connected with a solenoid valve 305. The air passes through the air collecting hood 3037 and enters the connecting pipe 304. Then the solenoid valve 305 is opened to allow the air to pass through the solenoid valve 305 and enter the air inlet pipe 307. The air is filtered again and enters the storage box 1 and the glass cover 4 to prevent the outside air from being too much, thereby affecting the growth of the seedlings.

[0041] like Figure 6 As shown, a Peltier cooling and heating sheet 310 is fixedly connected to one side of the upper end surface of the electric gate valve 306, one end surface of the Peltier cooling and heating sheet 310 penetrates the upper end surface of the electric gate valve 306 and passes to the lower end surface of the electric gate valve 306, a heat-conducting fin 312 is fixedly connected to the upper end surface of the Peltier cooling and heating sheet 310, a shell 311 is sleeved on the outer wall of the heat-conducting fin 312, a heat dissipation fan 314 is fixedly connected to the inside of the shell 311 at the rear end of the heat-conducting fin 312, and a filter screen 313 is fixedly connected to the inside of the shell 311 at the rear end of the heat dissipation fan 314 and the front of the inside of the shell 311. By controlling the start of the Peltier cooling and heating sheet 310, when current passes through the electric couple composed of N-type and P-type semiconductors, electrons and holes move to the cold end and the hot end respectively under the action of the electric field, causing the cold end to absorb heat and the hot end to release heat, thereby performing temperature compensation on the incoming air.

[0042] like Figure 1 , 2 As shown in Figure 3, a first temperature sensor 2 is fixedly connected to an upper part of one side of the front end surface of the storage box 1, a water inlet valve 9 is fixedly connected to an upper part of the center of the front end surface of the storage box 1, a water outlet valve 10 is fixedly connected to the front end surface of the storage box 1 below the water inlet valve 9, and a second temperature sensor 20 is fixedly connected to an upper part of the center of the other inner wall of the storage box 1. Nutrient solution is transported to the inside of the storage box 1 through the water inlet valve 9, and the remaining waste liquid is discharged through the water outlet valve 10. The temperature difference between the outside of the storage box 1 and the inside of the storage box 1 is monitored in real time by the second temperature sensor 20 and the first temperature sensor 2.

[0043] The storage box 1 is fixedly connected with first hooks 6 on both sides of the front and rear end surfaces, and first buckles 7 are provided on the front and rear end surfaces of the base 5 located on the four first hooks 6. The hanging rods on the four first buckles 7 are respectively hung on the four first hooks 6, so as to fix the base 5 and the glass cover 4.

[0044] A plurality of racks 13 are arranged horizontally at the upper part of the storage box 1, and three planting frames 14 are arranged front and back on the upper end surfaces of the plurality of racks 13. Handles 18 are fixedly connected to the front and rear end surfaces of the plurality of racks 13, and grooves 19 are provided on the upper end surface of the storage box 1 at the lower end of the plurality of handles 18. The plurality of handles 18 are slidably connected in the plurality of grooves 19, respectively. A delivery pump 15 is fixedly connected to the lower inner wall of the storage box 1 at the front side of the plurality of planting frames 14, and a rotary joint 16 is fixedly connected to the output end of the plurality of delivery pumps 15, and a delivery pipe 17 is fixedly connected to the output end of the plurality of rotary joints 16. Nutrient solution is delivered to the storage box 1 through the water inlet valve 9, and then the plurality of delivery pumps 15 are started by controlling the plurality of delivery pumps 15, so that the plurality of delivery pumps 15 deliver the nutrient solution to the plurality of rotary joints 16, and then enter the plurality of delivery pipes 17 through the plurality of rotary joints 16, and drip into the plurality of planting frames 14 through the output ends of the plurality of delivery pipes 17, so as to facilitate cultivation.

[0045] The forestry seedling cultivation method with seedling protection and temperature regulation functions comprises the following steps:

[0046] S1. Planting saplings, first place multiple planting frames 14 on multiple placement racks 13, then plant saplings inside the planting frames 14, place multiple placement racks 13 inside the storage box 1 through the handle 18, then place the base 5 and the glass cover 4 on the upper end surface of the storage box 1, and then hang the hanging rods on the four first buckles 7 on the four first hooks 6 respectively, so as to facilitate fixing the base 5 and the glass cover 4;

[0047] S2. Ventilation and filtration, by controlling the two ventilation fans 21 to start, the two ventilation fans 21 extract the air inside the storage box 1 and the glass cover 4, so that negative pressure is generated inside the storage box 1 and the glass cover 4, and then by opening the electric gate valve 306, the air enters through the two air inlet pipes 307, and the air enters the storage box 1 and the glass cover 4 after being filtered by the two air purification filter elements 309, so as to prevent the entry of external dust, harmful gases, pathogens and microorganisms, and prevent the growth of the seedlings from being affected. After ventilation and filtration, the hanging rods on the four second buckles 301 can be removed from the four second hooks 302, so as to facilitate the removal of the air purification filter element 309 for cleaning and replacement. After cleaning and replacement, the air purification filter element 309 is inserted into the air inlet pipe 307, and then hung on the four second hooks 302 by the hanging rods on the four second buckles 301 for fixing;

[0048] S3. Temperature compensation, the temperature difference between the outside of the storage box 1 and the inside of the storage box 1 is monitored in real time by the second temperature sensor 20 and the first temperature sensor 2, and the Peltier cooling and heating sheet 310 is controlled to start. When the current passes through the electric couple composed of N-type and P-type semiconductors, the electrons and holes move to the cold end and the hot end respectively under the action of the electric field, causing the cold end to absorb heat and the hot end to release heat, and the temperature of the incoming air is compensated to prevent the difference between the outside air and the air inside the storage box 1, resulting in large temperature fluctuations, thereby affecting the growth of the seedlings, and the heating or cooling temperature at the other end is derived through the heat conducting fins 312, and then the heat dissipation fan 314 is controlled to start, and the heat dissipation fan 314 blows out the heat and low temperature transferred on the heat conducting fins 312, so that the Peltier cooling and heating sheet 310 can be used for a long time;

[0049] S4. Backflow switching, control the electric gate valve 306 to close to prevent air from entering through the air inlet pipe 307, and by controlling the servo motor 3034 to start forward, the servo motor 3034 drives the screw rod 3038 to rotate, so that the baffle 3036 moves downward, thereby blocking the baffle 3036 at the lower part of the side of the partition 3032, so that the air enters the connecting pipe 304 through the air collecting hood 3037, and then opens the solenoid valve 305 to allow the air to enter the air inlet pipe 307 through the solenoid valve 305, and then filter it again to enter the storage box 1 and the glass cover 4 to prevent the outside air from being too large, thereby affecting the growth of the seedlings, and then by controlling the servo motor 3034 to start reversely, the servo motor 3034 drives the screw rod 3038 to rotate reversely, so that the baffle 3036 moves upward along the slide slot 3035, and the position connecting the air collecting hood 3037 is blocked, so that the air is discharged through the dustproof net 3033, which is convenient for switching according to actual conditions;

[0050] S5. Seedling cultivation, nutrient solution is delivered to the storage box 1 through the water inlet valve 9, and then the plurality of delivery pumps 15 are started by controlling the plurality of delivery pumps 15 to deliver the nutrient solution to the plurality of rotary joints 16, and then the plurality of delivery pipes 17 are delivered through the plurality of rotary joints 16, and then the nutrient solution is dripped into the plurality of planting frames 14 through the output ends of the plurality of delivery pipes 17, so as to facilitate cultivation;

[0051] S6. Replace the saplings. After the saplings grow up, remove the hanging rods on the outer sides of the four first buckles 7 from the four first hooks 6, remove the base 5 and the glass cover 4, and then rotate the multiple conveying tubes 17 to facilitate taking out the multiple placement racks 13 through the handles 18, and then put the placement racks 13 planted with saplings into the storage box 1, rotate the multiple conveying tubes 17 so that the output ends of the multiple conveying tubes 17 are located at the upper ends of the multiple planting frames 14, and then place the base 5 and the glass cover 4 at the upper end of the storage box 1 to cultivate the saplings.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A forestry seedling cultivation device with seedling protection and temperature regulation functions, comprising a storage box (1) and a control box (8), wherein the control box (8) is arranged at one side of the front end of the storage box (1), and is characterized in that: The upper end surface of the storage box (1) is provided with a base (5), and a glass cover (4) is fixedly connected to the upper end surface of the base (5); an air inlet (12) is provided at the center of one side wall of the glass cover (4) and the center of one side wall of the storage box (1); an air outlet (11) is provided at the center of the other side wall of the glass cover (4) and the center of the other side wall of the storage box (1); a ventilation fan (21) is fixedly connected to one side of the two air outlets (11); and a ventilation filter structure (3) is fixedly connected to one side wall of the storage box (1) and the glass cover (4) on one side of the two air inlets (12); The ventilation and filtering structure (3) comprises an air inlet pipe (307), the end of which is fixedly connected to an electric gate valve (306), a connecting plate (308) is provided on the upper end surface of the air inlet pipe (307) on one side of the electric gate valve (306), an air purification filter element (309) is fixedly connected to the lower end surface of the connecting plate (308), the air purification filter element (309) passes through the upper end surface of the air inlet pipe (307) and reaches the lower part of the interior of the air inlet pipe (307), the center of the front and rear end surfaces of the connecting plate (308) are both fixedly connected to second hooks (302), and the front and rear end surfaces of the air inlet pipe (307) located at the lower ends of the two second hooks (302) are both fixedly connected to second buckles (301).

2. The forestry seedling cultivation device with seedling protection and temperature regulation functions according to claim 1 is characterized in that: An output switching structure (303) is fixedly connected on one side wall of the storage box (1) on one side of the two air outlets (11) and on one side wall of the glass cover (4), the output switching structure (303) comprises an air outlet pipe (3031), a partition plate (3032) is fixedly connected at one side of the center of the air outlet pipe (3031), a dustproof net (3033) is fixedly connected at one side of the lower end of the partition plate (3032), a sliding groove (3035) is provided on the front and rear inner side walls of the air outlet pipe (3031) on one side of the partition plate (3032), and the two sliding grooves (3035) are slidably connected inside The baffle (3036) is located on the upper end surface of the air outlet pipe (3031) at the upper end of the baffle (3036) and is fixedly connected to a servo motor (3034); the output end of the servo motor (3034) passes through the upper end surface of the air outlet pipe (3031) and is connected to the interior of the air outlet pipe (3031), and the end is fixedly connected to a screw rod (3038); the lower end of the screw rod (3038) passes through the upper end surface of the baffle (3036) and is connected to the lower end of the baffle (3036), and the end is rotatably connected to the lower inner wall of the air outlet pipe (3031); the output end of the air outlet pipe (3031) is fixedly connected to an air collecting hood (3037).

3. The forestry seedling cultivation device with seedling protection and temperature regulation functions according to claim 2 is characterized in that: The output end of the gas collecting hood (3037) is fixedly connected to a connecting pipe (304), and the output end of the connecting pipe (304) is fixedly connected to a solenoid valve (305).

4. The forestry seedling cultivation device with seedling protection and temperature regulation functions according to claim 1 is characterized in that: A Peltier cooling and heating plate (310) is fixedly connected to one side of the upper end surface of the electric gate valve (306); one end surface of the Peltier cooling and heating plate (310) passes through the upper end surface of the electric gate valve (306) and is connected to the lower end surface of the electric gate valve (306); a heat-conducting fin (312) is fixedly connected to the upper end surface of the Peltier cooling and heating plate (310); a shell (311) is sleeved on the outer wall of the heat-conducting fin (312); a heat-dissipating fan (314) is fixedly connected to the interior of the shell (311) at the rear end of the heat-dissipating fin (312); and a filter screen (313) is fixedly connected to the interior of the shell (311) at the rear end of the heat-dissipating fan (314) and the front of the interior of the shell (311).

5. The forestry seedling cultivation device with seedling protection and temperature regulation functions according to claim 1, characterized in that: A first temperature sensor (2) is fixedly connected to the upper part of one side of the front end surface of the storage box (1); a water inlet valve (9) is fixedly connected to the upper part of the center of the front end surface of the storage box (1); a water outlet valve (10) is fixedly connected to the front end surface of the storage box (1) below the water inlet valve (9); and a second temperature sensor (20) is fixedly connected to the upper part of the center of the other inner side wall of the storage box (1).

6. The forestry seedling cultivation device with seedling protection and temperature regulation functions according to claim 1, characterized in that: The storage box (1) is fixedly connected with first hooks (6) at the upper part of both sides of the front and rear end surfaces, and first buckles (7) are provided on the front and rear end surfaces of the base (5) at the upper end of the four first hooks (6).

7. The forestry seedling cultivation device with seedling protection and temperature regulation functions according to claim 1 is characterized in that: A plurality of placement racks (13) are arranged horizontally at the upper part of the storage box (1), and three planting frames (14) are arranged front and back on the upper end surfaces of the plurality of placement racks (13). Handles (18) are fixedly connected to the front and rear end surfaces of the plurality of placement racks (13), and grooves (19) are provided on the upper end surface of the storage box (1) below the plurality of handles (18). The plurality of handles (18) are slidably connected to the interior of the plurality of grooves (19), and a delivery pump (15) is fixedly connected to the lower inner wall of the storage box (1) located at the front side of the plurality of planting frames (14). The output ends of the plurality of delivery pumps (15) are fixedly connected to a rotary joint (16), and the output ends of the plurality of rotary joints (16) are fixedly connected to a delivery pipe (17).

8. A method for cultivating forestry seedlings with seedling protection and temperature regulation functions, using the forestry seedling cultivation device with seedling protection and temperature regulation functions as claimed in any one of claims 1 to 7, characterized in that: The following steps are involved: S1. Planting saplings, first placing a plurality of planting frames (14) on a plurality of placement racks (13), then planting saplings inside the planting frames (14), placing the plurality of placement racks (13) inside the storage box (1) through the handles (18), then placing the base (5) and the glass cover (4) on the upper end surface of the storage box (1), and then hanging the hanging rods on the four first buckles (7) on the four first hooks (6) respectively, so as to facilitate fixing the base (5) and the glass cover (4); S2. Ventilation and filtration, by controlling the two ventilation fans (21) to start, the two ventilation fans (21) extract the air inside the storage box (1) and the glass cover (4), so that negative pressure is generated inside the storage box (1) and the glass cover (4), and then by opening the electric gate valve (306), the air enters through the two air inlet pipes (307), and the air enters the storage box (1) and the glass cover (4) after being filtered by the two air purification filter elements (309), so as to prevent the entry of external dust, harmful gases, pathogens and microorganisms, and prevent the growth of the seedlings from being affected. After ventilation and filtration, the hanging rods on the four second buckles (301) can be removed from the four second hooks (302), so as to facilitate the removal of the air purification filter element (309) for cleaning and replacement. After cleaning and replacement, the air purification filter element (309) is inserted into the air inlet pipe (307), and then hung on the four second hooks (302) by the hanging rods on the four second buckles (301) for fixing; S3. Temperature compensation, the temperature difference between the outside of the storage box (1) and the inside of the storage box (1) is monitored in real time by the second temperature sensor (20) and the first temperature sensor (2), and the Peltier cooling and heating plate (310) is controlled to start. When the current passes through the electric couple composed of N-type and P-type semiconductors, the electrons and holes move to the cold end and the hot end respectively under the action of the electric field, causing the cold end to absorb heat and the hot end to release heat. The temperature of the incoming air is compensated to prevent the difference between the outside air and the air inside the storage box (1), resulting in large temperature fluctuations, thereby affecting the growth of the seedlings. The temperature of the other end for heating or cooling is derived through the heat conducting fins (312), and then the heat dissipation fan (314) is controlled to start. The heat dissipation fan (314) blows out the heat and low temperature transferred from the heat conducting fins (312), so that the Peltier cooling and heating plate (310) can be used for a long time. S4. Switching backflow, controlling the electric gate valve (306) to close, preventing air from entering through the air inlet pipe (307), and controlling the servo motor (3034) to start forward, the servo motor (3034) drives the screw rod (3038) to rotate, thereby moving the baffle (3036) downward, thereby blocking the baffle (3036) at the lower part of one side of the partition (3032), allowing air to enter the connecting pipe (304) through the air collecting cover (3037), and then opening the solenoid valve (305) to allow air to pass through the solenoid valve (305) The air enters the air inlet pipe (307) and is filtered again before entering the storage box (1) and the glass cover (4) to prevent excessive outside air from affecting the growth of the seedlings. The servo motor (3034) is then controlled to start in reverse, and the servo motor (3034) drives the screw rod (3038) to rotate in the reverse direction, so that the baffle (3036) moves upward along the slide groove (3035) to block the position connected to the air collecting cover (3037), so that the air is discharged through the dustproof net (3033), which is convenient for switching according to actual conditions. S5. Seedling cultivation, nutrient solution is delivered to the storage box (1) through the water inlet valve (9), and then the plurality of delivery pumps (15) are controlled to start, and the plurality of delivery pumps (15) deliver the nutrient solution to the plurality of rotary joints (16), and then the nutrient solution enters the plurality of delivery pipes (17) through the plurality of rotary joints (16), and drips into the plurality of planting frames (14) through the output ends of the plurality of delivery pipes (17), so as to facilitate cultivation; S6. Replace the saplings. After the saplings grow up, remove the hanging rods on the outside of the four first buckles (7) from the four first hooks (6), remove the base (5) and the glass cover (4), and then rotate the multiple conveying tubes (17) to facilitate taking out the multiple placement racks (13) through the handles (18). Then, place the placement racks (13) planted with the saplings into the storage box (1), rotate the multiple conveying tubes (17) so that the output ends of the multiple conveying tubes (17) are located at the upper ends of the multiple planting frames (14), and then, by placing the base (5) and the glass cover (4) at the upper end of the storage box (1), the saplings are cultivated.

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