Temperature-controllable greenhouse for areca-nut seedling cultivation

Abstract

The utility model discloses a temperature-controllable greenhouse for areca-nut seedling cultivation, which belongs to the technical field of seedling cultivation and comprises a greenhouse body, a sealing door arranged at the front end of the greenhouse body and windows respectively arranged on two sides of the greenhouse body. A plurality of connecting pipes fixedly connected with the inner wall of the greenhouse body are evenly distributed on the outer surface of the hollow pipe, a plurality of water mist nozzles are evenly distributed at the lower ends of the connecting pipes, and a water supply assembly is arranged at the rear end of the greenhouse body. The greenhouse has the advantages that cold water is supplied to the first water pipe through the first water pipe, the second water pipe, the vertical pipe, the fixed pipe and the water supply pipe, flows out of the vertical pipe and flows back into the connecting pipe along with circulation of the cold water, then flows back into the water tank through the hollow pipe, the drainage pipe and the backflow pipe, and in the process, a large amount of heat in the greenhouse can be taken away by the cold water; the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seedling cultivation, in particular to a temperature-controlled greenhouse for cultivating betel nut seedlings. Background Art

[0002] Cultivating betel nut seedlings originally means cultivating seedlings in a nursery, hotbed or greenhouse in preparation for transplanting them into the land for planting. Seedling cultivation is a labor-intensive, time-consuming and highly technical job. With the advancement of agricultural science and technology, advanced technology has been adopted in seedling cultivation and basically large-scale greenhouse cultivation is adopted. The temperature in the greenhouse needs to be adjusted to greatly improve the success rate of seedling cultivation.

[0003] Most greenhouses are equipped with spray pipes to adjust the humidity and fans to cool down the greenhouse in time. However, the internal space of the greenhouse is large and the heat is concentrated at the top of the greenhouse. Using fans alone for exhaust and cooling is time-consuming and has low work efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned technical problems and to provide a temperature-controlled greenhouse for cultivating betel nut seedlings.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A temperature-controlled greenhouse for cultivating betel nut seedlings, comprising a greenhouse body, a sealed door arranged at the front end of the greenhouse body, and windows respectively arranged at both sides of the greenhouse body, wherein a hollow tube is arranged inside the greenhouse body, and a plurality of connecting tubes fixedly connected to the inner wall of the greenhouse body are evenly arranged on the outer surface of the hollow tube, and a plurality of water mist nozzles are evenly arranged at the lower end of the connecting tube, and a water supply component is arranged at the rear end of the greenhouse body;

[0007] The water supply assembly includes a water tank arranged at the rear end of the greenhouse body and a water supply pipe penetrating the upper end surface of the water tank, one end of the hollow pipe penetrates out of the greenhouse body and a first water inlet pipe is fixedly arranged at the lower end, a first water pipe is arranged inside the hollow pipe, and a second water pipe is arranged inside a plurality of connecting pipes, one end of the second water pipe is closed and the other end is respectively connected with the first water pipe, a vertical pipe is arranged at the upper end of the second water pipe, the upper end of the vertical pipe penetrates out of the connecting pipe, a fixed pipe for covering the vertical pipe is fixedly arranged on the outer side of the connecting pipe, a vent is arranged on the outer surface of the fixed pipe, a second water inlet pipe connected with the first water pipe is penetrated at one end of the hollow pipe, a water supply pump is arranged at the lower end of the water supply pipe, the upper end of the water supply pipe is connected with the first water inlet pipe and the second water inlet pipe respectively connected with the first water pipe through a three-way valve, a drain pipe is arranged at the lower end of the hollow pipe, and an exhaust member matching the hollow pipe is arranged at the front end of the greenhouse body.

[0008] As a further description of the above technical solution:

[0009] The exhaust component includes an exhaust fan fixedly arranged at the front end of the greenhouse body and an electromagnetic valve arranged inside the hollow tube. The input end of the exhaust fan is connected to the inside of the hollow tube through an air duct, and the electromagnetic valve is located between the air duct and the drain pipe.

[0010] As a further description of the above technical solution:

[0011] A return pipe and a water supply pipe are respectively arranged at the upper end of the water tank, and the drain pipe is connected with the return pipe through a pipeline.

[0012] As a further description of the above technical solution:

[0013] A processor, a temperature sensor and a humidity sensor are respectively arranged inside the greenhouse body. The temperature sensor and the humidity sensor are respectively electrically connected to the processor, and the water supply pump, the exhaust fan and the solenoid valve are respectively connected to the processor by wires.

[0014] As a further description of the above technical solution:

[0015] The sliding sleeve outside the vertical pipe is provided with a sealing floating ring matched with the lower end of the fixed pipe.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] In the utility model, a first water pipe, a second water pipe, a vertical pipe and a fixed pipe are arranged, and a water supply pipe supplies cold water to the first water pipe. As the cold water circulates, it flows out from the vertical pipe and flows back into the connecting pipe, and then flows back into the water tank through the hollow pipe, the drainage pipe and the return pipe. In this process, the cold water will take away a large amount of heat in the greenhouse, thereby improving the cooling efficiency.

[0018] In the utility model, by arranging a solenoid valve and an exhaust fan, when the solenoid valve is opened, the exhaust fan will speed up the circulation efficiency of the gas in the greenhouse and further improve the cooling effect. When the solenoid valve is closed, the staff supplies water to the hollow tube through the water supply pump and the first water inlet pipe, which will increase the water pressure in the hollow tube and the water mist nozzle will perform spraying operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The first perspective appearance diagram of the greenhouse provided according to the embodiment of the utility model is shown;

[0020] Figure 2 The second perspective appearance diagram of the greenhouse provided according to the embodiment of the utility model is shown;

[0021] Figure 3 A schematic diagram of the internal structure of a greenhouse provided according to an embodiment of the utility model is shown;

[0022] Figure 4 A cross-sectional view of a connecting pipe structure provided according to an embodiment of the utility model is shown.

[0023] Legend: 1. Greenhouse body; 2. Sealed door; 3. Window; 4. Exhaust fan; 5. Hollow pipe; 6. First water pipe; 7. Connecting pipe; 8. Water mist nozzle; 9. Fixed pipe; 10. Water tank; 11. Return pipe; 12. Drain pipe; 13. First water inlet pipe; 14. Three-way valve; 15. Water adding pipe; 16. Second water inlet pipe; 17. Vent; 18. Vertical pipe; 19. Sealing floating ring; 20. Second water pipe; 21. Drain pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] As shown in 1-4, a temperature-controlled greenhouse for cultivating betel nut seedlings comprises a greenhouse body 1, a sealed door 2 arranged at the front end of the greenhouse body 1 and windows 3 respectively arranged on both sides of the greenhouse body 1, a hollow tube 5 is arranged inside the greenhouse body 1, a plurality of connecting tubes 7 fixedly connected to the inner wall of the greenhouse body 1 are evenly arranged on the outer surface of the hollow tube 5, a plurality of water mist nozzles 8 are evenly arranged at the lower end of the connecting tube 7, and a water supply component is arranged at the rear end of the greenhouse body 1;

[0026] The water supply assembly includes a water tank 10 arranged at the rear end of the greenhouse body 1 and a water supply pipe 12 penetrating the upper end surface of the water tank 10. The upper end of the water tank 10 is respectively provided with a return pipe 11 and a water supply pipe 15. One end of the hollow pipe 5 penetrates out of the greenhouse body 1 and a first water inlet pipe 13 is fixedly arranged at the lower end. A first water pipe 6 is arranged inside the hollow pipe 5. A second water pipe 20 is arranged inside a plurality of connecting pipes 7. One end of the second water pipe 20 is closed and the other end is respectively connected to the first water pipe 6. A vertical pipe 18 is arranged at the upper end of the second water pipe 20. The upper end of the vertical pipe 18 penetrates out of the connecting pipe 7. A fixed pipe 9 for covering the vertical pipe 18 is fixedly arranged on the outer side of the connecting pipe 7. A vent hole 17 is arranged on the outer surface of the fixed pipe 9. One end of the hollow pipe 5 A second water inlet pipe 16 connected to the first water pipe 6 is provided through the hollow pipe 5. A water supply pump is provided at the lower end of the water supply pipe 12. The upper end of the water supply pipe 12 is connected to the first water inlet pipe 13 and the second water inlet pipe 16 connected to the first water pipe 6 respectively through a three-way valve 14. A drain pipe 21 is provided at the lower end of the hollow pipe 5. The drain pipe 21 is connected to the return pipe 11 through a pipeline. An exhaust member matching the hollow pipe 5 is provided at the front end of the greenhouse body 1. The water supply pipe 12 supplies cold water to the first water pipe 6. As the cold water circulates, it flows out from the vertical pipe 18 and flows back into the connecting pipe 7, and then flows back into the water tank through the hollow pipe 5, the drain pipe 21 and the return pipe 11. In this process, the cold water will take away a large amount of heat in the greenhouse, thereby improving the cooling efficiency.

[0027] Furthermore, the exhaust component includes an exhaust fan 4 fixed at the front end of the greenhouse body 1 and an electromagnetic valve arranged inside the hollow tube 5. The input end of the exhaust fan 4 is connected to the inside of the hollow tube 5 through the air duct. The electromagnetic valve is located between the air duct and the drain pipe 21. The outer sliding sleeve of the vertical pipe 18 is provided with a sealing floating ring 19 that matches the lower end of the fixed tube 9. When the electromagnetic valve is turned on, the exhaust fan 4 will accelerate the circulation efficiency of the gas in the greenhouse and further improve the cooling effect. When the electromagnetic valve is closed, the staff supplies water to the hollow tube 5 through the water supply pump and the first water inlet pipe 13, and the water flows into the connecting pipe 7. At this time, the sealing floating ring 19 floats up to close the lower end of the fixed tube 9, which will increase the water pressure in the hollow tube 5 and the connecting tube 7, and the water mist nozzle performs spraying operations.

[0028] Furthermore, a processor, a temperature sensor and a humidity sensor are respectively provided inside the greenhouse body 1, the temperature sensor and the humidity sensor are respectively electrically connected to the processor, and the water supply pump, the exhaust fan 4 and the solenoid valve are respectively connected to the processor by wires.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A temperature-controlled greenhouse for cultivating betel nut seedlings, comprising a greenhouse body (1), a sealed door (2) arranged at the front end of the greenhouse body (1), and windows (3) respectively arranged on both sides of the greenhouse body (1), characterized in that: A hollow tube (5) is provided inside the greenhouse body (1); a plurality of connecting tubes (7) fixedly connected to the inner wall of the greenhouse body (1) are evenly distributed on the outer surface of the hollow tube (5); a plurality of water mist nozzles (8) are evenly distributed at the lower end of the connecting tube (7); and a water supply component is provided at the rear end of the greenhouse body (1); The water supply assembly comprises a water tank (10) arranged at the rear end of the greenhouse body (1) and a water supply pipe (12) penetrating the upper end surface of the water tank (10); one end of the hollow pipe (5) penetrates outside the greenhouse body (1) and a first water inlet pipe (13) is fixedly arranged at the lower end; a first water pipe (6) is arranged inside the hollow pipe (5); a second water pipe (20) is arranged inside each of the plurality of connecting pipes (7); one end of the second water pipe (20) is closed and the other end is respectively connected to the first water pipe (6); a vertical pipe (18) is arranged at the upper end of each of the second water pipes (20); the upper end of the vertical pipe (18) penetrates outside the connecting pipe (7); A fixed pipe (9) for covering the vertical pipe (18) is fixedly provided on the outside of the connecting pipe (7); a vent hole (17) is provided on the outer surface of the fixed pipe (9); a second water inlet pipe (16) connected to the first water pipe (6) is passed through one end of the hollow pipe (5); a water supply pump is provided at the lower end of the water supply pipe (12); the upper end of the water supply pipe (12) is respectively connected to the first water inlet pipe (13) and the second water inlet pipe (16) connected to the first water pipe (6) through a three-way valve (14); a drain pipe (21) is provided at the lower end of the hollow pipe (5); and an exhaust member matching the hollow pipe (5) is provided at the front end of the greenhouse body (1).

2. The temperature-controlled greenhouse for cultivating betel nut seedlings according to claim 1, characterized in that: The exhaust component comprises an exhaust fan (4) fixedly arranged at the front end of the greenhouse body (1) and an electromagnetic valve arranged inside the hollow tube (5); the input end of the exhaust fan (4) is connected to the inside of the hollow tube (5) through an air duct, and the electromagnetic valve is located between the air duct and the drain pipe (21).

3. The temperature-controlled greenhouse for cultivating betel nut seedlings according to claim 1, characterized in that: A return pipe (11) and a water supply pipe (15) are respectively provided at the upper end of the water tank (10), and the drainage pipe (21) is connected to the return pipe (11) through a pipeline.

4. The temperature-controlled greenhouse for cultivating betel nut seedlings according to claim 1, characterized in that: A processor, a temperature sensor and a humidity sensor are respectively arranged inside the greenhouse body (1); the temperature sensor and the humidity sensor are respectively electrically connected to the processor; and the water supply pump, the exhaust fan (4) and the solenoid valve are respectively connected to the processor by wires.

5. The temperature-controlled greenhouse for cultivating betel nut seedlings according to claim 1, characterized in that: The outer sliding sleeve of the vertical pipe (18) is provided with a sealing floating ring (19) which matches with the lower end of the fixed pipe (9).

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