Energy-saving irrigation device for strawberry planting

Abstract

The invention relates to the technical field of agricultural irrigation, and discloses an energy-saving irrigation device for strawberry planting, the energy-saving irrigation device comprises a conveying main pipe and an adjuster, the adjuster comprises a shell, the surface of the shell is provided with a first input port and a second input port, the end of the shell is fixedly provided with a discharge cylinder, and the interior of the shell is fixedly provided with a piezoelectric ceramic atomization sheet; a movable plug is slidably mounted in the shell, a communicating hole is formed in the axis of the movable plug, a first stop column and a second stop column are fixedly mounted in the shell, and the surface of the second stop column is sleeved with a reset spring. According to the irrigation device, the regulator is controlled to start and stop in a manner of changing the air pressure in the conveying main pipe, so that the effect of remotely controlling automatic start and stop of each irrigation point is achieved, and the problems that in the pipe network irrigation, fertilization and pesticide spraying process, due to the fact that irrigation in different planting areas is sequential, start and stop are inconvenient to control automatically, and the irrigation efficiency is high are solved. And irrigation, fertilization and pesticide spraying in each operation area are not uniform.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural irrigation, and in particular to an energy-saving irrigation device for strawberry planting. Background Art

[0002] Aerosol cultivation is based on the needs of various plants for water adaptability and the amount of water they need at different growth stages. It can be fully controlled and adjusted automatically by humans, thus meeting the needs of plants with different characteristics.

[0003] In the prior art, in order to improve the absorption rate of water by crops and save water resources, a patent document with the announcement number CN105906134B discloses an ultrasonic water treatment device for agricultural irrigation, including: a first tube body; an ultrasonic generator, which is arranged at the bottom of the side wall of the first tube body, and the ultrasonic generator is connected to the inside of the first tube body; a magnet, which is arranged in the first tube body; a battery, which is connected to the ultrasonic generator through a wire to power the ultrasonic generator; and a solar photovoltaic panel, which is connected to the battery through a wire, and the solar photovoltaic panel is arranged above the side wall of the first tube body through a bracket. The present invention acts on the irrigation water flowing through, forming both a magnetic field and ultrasonic vibration on the irrigation water, and the two work together on the irrigation water, increasing the irrigation efficiency, improving the absorption rate of water, saving water, and increasing the yield.

[0004] During the planting process of crops, frequent watering, fertilization and pest control are required. For example, when planting strawberries, the fruits are close to the soil and are easily damaged by insects. In addition to the need for pest control during the seedling period, the soil also needs to be pest controlled during the fruit ripening period. For this reason, pesticides are generally added during watering. The existing irrigation devices basically meet the needs of watering and fertilizing, but it is inconvenient to control the amount of pesticides used, because different planting areas are watered in sequence within the same irrigation pipe system. The existing irrigation devices have the problem of being difficult to automatically control the start and stop of different irrigation points, resulting in a waste of water, fertilizers and pesticides, which needs further improvement. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an energy-saving irrigation device for strawberry planting.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An energy-saving irrigation device for strawberry planting, comprising a conveying main pipe and a regulator, wherein the regulator comprises a shell, a first input port and a second input port are respectively provided on the surface of the shell, a discharge cylinder is fixedly installed at the end of the shell, and a piezoelectric ceramic atomizing sheet is fixedly installed inside the shell;

[0008] A movable plug is slidably installed inside the shell, a connecting hole is opened at the axis of the movable plug, a first stop column and a second stop column are fixedly installed inside the shell, when the movable plug slides left and right inside the shell, the first stop column and the second stop column can be inserted into the two ends of the connecting hole respectively, and a return spring is sleeved on the surface of the second stop column, and the return spring presses against the movable plug, so that the outer circumferential surface of the movable plug covers the mouth of the second input port;

[0009] The surface of the conveying main pipe is respectively installed with a first pipe and a second pipe. The conveying main pipe is connected with the first input port and the second input port respectively through the first pipe and the second pipe. A drainage pipe is threadedly installed on the mouth of the discharge cylinder. Water mist is transported to the soil in the planting area through the drainage pipe along with the air flow for aerosol irrigation. The opening and closing of the regulator is controlled by changing the air pressure in the conveying main pipe, thereby realizing the effect of remotely controlling the automatic start and stop of each watering point.

[0010] Preferably, the movable plug includes a magnetic plug body and a plug sleeve, the magnetic plug body and the plug sleeve are coaxially fixedly connected, and a plurality of open grooves are provided between the magnetic plug body and the plug sleeve. When the open grooves overlap with the second input port, a gradual connecting window is formed. The second pipeline is connected with the inner cavity of the shell through the connecting window, and a gaseous medium is input into the shell through the first pipeline, and a liquid medium is input into the shell through the second pipeline. The opening and closing size of the connecting window is controlled by the gaseous medium, and the output rhythm of the liquid medium is controlled in linkage.

[0011] A spiral electromagnetic coil is embedded inside the outer wall of the shell and arranged around the magnetic plug. The size of the opening of the communication window can be controlled by controlling the current of the electromagnetic coil.

[0012] Preferably, the two end portions of the connecting hole are trumpet-shaped, and the ends of the first cut-off column and the second cut-off column are both conical structures. A transmission shaft is rotatably installed in the first cut-off column and the second cut-off column. The transmission shaft passes through the connecting hole, and the end of the transmission shaft extends into the discharge cylinder, and a plurality of pneumatic impellers are fixedly installed at the end of the transmission shaft. An installation chamber is opened at the end of the shell, and one end of the transmission shaft away from the pneumatic impeller extends into the installation chamber, and a magnetic rotor is fixedly installed at the end of the transmission shaft, and a conductive coil is embedded in the inner wall of the installation chamber to provide electrical energy to the electromagnetic coil and the piezoelectric ceramic atomizer.

[0013] Preferably, a buried pipe is fixedly installed at the end of the drainage pipe, the buried pipe includes an inner pipe, the inner pipe is connected to the drainage pipe, a plurality of pores are opened on the surface of the inner pipe, pressure relief valves are fixedly installed at both ends of the inner pipe, humistors are fixedly installed at both ends of the inner pipe, protective mesh covers are threadedly installed at both ends of the inner pipe, the surface of the inner pipe is wrapped with a volcanic stone layer, the volcanic stone layer is wrapped on the outside of the pores, the humistor has the function of detecting soil moisture, and at the same time, the change in the resistance value of the humistor can be used to control the action of the regulator in linkage.

[0014] Preferably, storage tanks are fixedly mounted on the upper and lower side surfaces of the conveying main pipe, and the first pipe and the second pipe are respectively connected to the two storage tanks.

[0015] The present invention has the following beneficial effects:

[0016] 1. The irrigation device proposed in the present invention controls the opening and closing of the regulator by setting a regulator to change the air pressure in the conveying main pipe, thereby realizing the effect of remotely controlling the automatic start and stop of each irrigation point, solving the problem of uneven irrigation, fertilization and spraying in each operation area due to the inconvenience of automatic start and stop control during irrigation, fertilization and spraying using the pipe network.

[0017] 2. The irrigation device proposed by the present invention uses a conveying main pipe to build a ring-shaped pipe network in the entire planting area. The pipe network irrigates, fertilizes or sprays pesticides to each unit planting area nearby through regulators at different positions;

[0018] From the functional point of view, a. The delivery main pipe can mix and deliver gas and liquid media. The piezoelectric ceramic atomizer in the regulator atomizes the liquid medium (irrigation water source, or adding nutrient solution, or adding pesticides), and then it is transported to the planting soil with the flow of gas medium to achieve the functions of irrigation, fertilization or spraying.

[0019] b. The gas medium can be air, carbon dioxide or insecticide gas. Plants need to breathe, the root system needs sufficient oxygen, and the stems and leaves need carbon dioxide gas under photosynthesis conditions. Insecticide gas can kill pests in the soil or air to prevent seedlings or fruits from being damaged by insects.

[0020] c. An electromagnetic coil is arranged in the regulator, and the electromagnetic coil generates a thrust on the movable plug. The size of the thrust can be controlled to drive the movable plug to slide left and right, thereby adjusting the size of the connecting window composed of the opening groove and the second input port, that is, controlling the delivery amount and delivery speed of the liquid medium. According to the needs of different growth stages of strawberries, the appropriate watering speed and watering amount can be selected to meet the planting needs of differentiated irrigation.

[0021] From the perspective of energy saving, d. A conductive coil is set in the regulator. When the gas medium drives the pneumatic impeller to rotate, the magnetic rotor rotates, so that the electromotive force generated by the conductive coil provides electrical energy for the electromagnetic coil and the piezoelectric ceramic atomizer. This design does not need to provide electrical energy for the regulator, which not only saves energy, but also saves power supply cables for large-area layout of regulators, reducing installation costs;

[0022] e. A humistor is provided in the buried pipe. The humistor has the function of detecting soil moisture. In this device, the humistor is connected in series with the electromagnetic coil. The resistance value of the humistor changes with the humidity. When the humidity requirement is met, the thrust generated by the electromagnetic coil on the movable plug reaches the maximum. At this time, the movable plug contacts the second cut-off column, the pneumatic impeller loses power, and the regulator loses power. Under the action of the reset spring, the movable plug contacts the first cut-off column, so that the regulator is in a shutdown state, that is, when the irrigation reaches the predetermined humidity requirement, the regulator automatically shuts down, meeting the requirements of independent and automatic control of terminating irrigation in different irrigation areas, saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the irrigation device of the present invention;

[0024] Figure 2 It is a schematic diagram of the front cross-section structure of the irrigation device of the present invention;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the regulator in the present invention (partial section);

[0026] Figure 4 It is a schematic diagram of the enlarged front section structure of the regulator in the present invention (the movable plug is in state one);

[0027] Figure 5 It is a schematic diagram of the enlarged front section structure of the regulator in the present invention (the movable plug is in state 2);

[0028] Figure 6 It is a schematic diagram of the front cross-section and enlarged structure of the regulator in the present invention (the movable plug is in state three);

[0029] Figure 7 It is a schematic diagram of a partial cross-sectional structure of the buried pipe in the present invention;

[0030] Figure 8 It is a schematic diagram of the electrical connection between the electromagnetic coil and the humidity sensitive resistor in the present invention.

[0031] In the figure: 1 conveying main pipe, 2 shell, 3 first input port, 4 second input port, 5 discharge cylinder, 6 movable plug, 7 connecting hole, 8 first stop column, 9 second stop column, 10 return spring, 11 first pipeline, 12 second pipeline, 13 drainage pipe, 14 magnetic plug body, 15 plug sleeve, 16 opening groove, 17 electromagnetic coil, 18 transmission shaft, 19 pneumatic impeller, 20 magnetic rotor, 21 conductive coil, 22 buried pipe, 23 inner pipe, 24 air hole, 25 humidity sensitive resistor, 26 protective mesh cover, 27 pressure relief valve, 28 volcanic rock layer, 29 storage tank, 30 piezoelectric ceramic atomizing piece. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] Reference Figure 1-8 An energy-saving irrigation device for strawberry planting includes a conveying main pipe 1 and a regulator. The regulator includes a shell 2. The surface of the shell 2 is respectively provided with a first input port 3 and a second input port 4. A discharge cylinder 5 is fixedly installed at the end of the shell 2. A piezoelectric ceramic atomizer 30 is fixedly installed inside the shell 2.

[0035] A movable plug 6 is slidably installed inside the shell 2, and a connecting hole 7 is opened at the axis center of the movable plug 6. A first cut-off column 8 and a second cut-off column 9 are fixedly installed inside the shell 2. The two end portions of the connecting hole 7 are trumpet-shaped, and the ends of the first cut-off column 8 and the second cut-off column 9 are both conical structures.

[0036] When the movable plug 6 slides left and right inside the shell 2, the first cut-off column 8 and the second cut-off column 9 can be respectively inserted into the two ends of the connecting hole 7. The surface of the second cut-off column 9 is sleeved with a return spring 10, which presses against the movable plug 6 so that the outer cylindrical surface of the movable plug 6 covers the mouth of the second input port 4.

[0037] The surface of the main delivery pipe 1 is respectively installed with a first pipe 11 and a second pipe 12 , and the main delivery pipe 1 is connected with the first input port 3 and the second input port 4 through the first pipe 11 and the second pipe 12 , respectively. A drainage pipe 13 is threadedly installed at the mouth of the discharge cylinder 5 .

[0038] Storage tanks 29 are fixedly mounted on the upper and lower side surfaces of the conveying main pipe 1 , and the first pipe 11 and the second pipe 12 are connected to the two storage tanks 29 respectively.

[0039] refer to Figure 3 The movable plug 6 includes a magnetic plug body 14 and a plug sleeve 15, which are coaxially fixedly connected, and a plurality of open grooves 16 are provided between the magnetic plug body 14 and the plug sleeve 15. When the open grooves 16 overlap with the second input port 4, a gradual communication window is formed. The second pipe 12 is connected with the inner cavity of the shell 2 through the communication window, and a gaseous medium is input into the shell 2 through the first pipe 11, and a liquid medium is input into the shell 2 through the second pipe 12. The opening and closing size of the communication window is controlled by the gaseous medium, and the output rhythm of the liquid medium is controlled in linkage. The liquid medium is atomized by the piezoelectric ceramic atomizing sheet 30 to realize atomized irrigation.

[0040] During use, water and pressurized gas are injected into the conveying main pipe 1, and the gas enters the housing 2 through the first pipe 11, pushing the movable plug 6 to move and compressing the return spring 10, so that the movable plug 6 is separated from the first cut-off column 8, and the gas enters the discharge cylinder 5. Figure 4 As shown by the dotted arrow, at this time, the open groove 16 and the second input port 4 are at a certain staggered angle, and the connecting window formed by the open groove 16 and the second input port 4 is opened. Water flows along the second pipe 12 and enters the shell 2 from the connecting window. The piezoelectric ceramic atomizer 30 is started, and the water molecules in the liquid are oscillated and thrown up to break up according to the principle of voltage oscillation to form water mist. The water mist is transported to the soil in the planting area through the drainage pipe 13 along with the air flow for aerosol irrigation. Water containing fertilizers or pesticides is added to the conveying main pipe 1 to carry out fertilization and spraying. After the irrigation is completed, the air pressure in the conveying main pipe 1 is reduced, the reset spring 10 pushes the movable plug 6 to reset, the first cut-off column 8 blocks the connecting hole 7, and the plug sleeve 15 blocks the second input port 4 to stop the input of aerosol into the drainage pipe 13.

[0041] The irrigation device proposed in the present invention controls the opening and closing of the regulator by setting a regulator to change the air pressure in the conveying main pipe 1, thereby achieving the effect of remotely controlling the start and stop of each watering point. Since the output rhythm of the liquid medium is controllable, the problem of uneven irrigation that is prone to occur when the medium is conveyed through a long-distance pipeline is solved.

[0042] In this embodiment, a spiral electromagnetic coil 17 is embedded in the outer wall of the shell 2, and the spiral electromagnetic coil 17 is arranged around the magnetic plug body 14. When current is introduced into the electromagnetic coil 17, the electromagnetic coil 17 and the magnetic plug body 14 generate a magnetic repulsion force, and the magnetic repulsion force is greater than the elastic force of the reset spring 10, pushing the movable plug 6 to move, so that the connecting window formed by the opening groove 16 and the second input port 4 is opened, and the size of the opening of the connecting window can be controlled by controlling the current of the electromagnetic coil 17, that is, the amount of liquid or flow rate entering the shell 2 through the connecting window is controlled, so that the device can select a suitable aerosol irrigation speed and irrigation amount according to needs to meet the planting needs of differentiated irrigation.

[0043] In this embodiment, a transmission shaft 18 is rotatably installed in the first cut-off column 8 and the second cut-off column 9. The transmission shaft 18 passes through the connecting hole 7. The end of the transmission shaft 18 extends into the discharge cylinder 5. A plurality of pneumatic impellers 19 are fixedly installed at the end of the transmission shaft 18. The airflow flows through the pneumatic impeller 19 to drive the transmission shaft 18 to rotate.

[0044] An installation chamber is opened at the end of the shell 2, and one end of the transmission shaft 18 away from the pneumatic impeller 19 extends into the installation chamber, and a magnetic rotor 20 is fixedly installed at the end of the transmission shaft 18. A conductive coil 21 is embedded in the inner wall of the installation chamber. The airflow drives the pneumatic impeller 19 to rotate, and the magnetic rotor 20 is driven to rotate through the transmission of the transmission shaft 18. The conductive coil 21 cuts the magnetic field of the magnetic rotor 20 to generate an alternating current. The alternating current is amplified by an amplifying circuit and introduced into the piezoelectric ceramic atomizing sheet 30 to provide electrical energy for the piezoelectric ceramic atomizing sheet 30. At the same time, the alternating current is converted into DC energy through a rectifier circuit and introduced into the electromagnetic coil 17 to provide electrical energy for the electromagnetic coil 17. This part is an existing electrical technology and will not be elaborated here.

[0045] It should be noted that, from the law of electromagnetic induction E=BLV, it can be known that the induced electromotive force E is proportional to the speed V, and the magnetic rotor 20 rotates synchronously with the pneumatic impeller 19. When the speed of the pneumatic impeller 19 increases, the induced electromotive force E of the conductive coil 21 also increases, that is, the voltage of the electromagnetic coil 17 changes with the speed of the pneumatic impeller 19. The voltage of the electromagnetic coil 17 can be controlled by controlling the air flow rate delivered by the first pipe 11 to the shell 2 and changing the speed of the pneumatic impeller 19. When the voltage of the electromagnetic coil 17 changes, the magnetic repulsion force on the magnetic plug body 14 also changes, so that the thrust generated by the electromagnetic coil 17 on the movable plug 6 can be controlled, thereby realizing the control of the opening and closing size of the connecting window (composed of the opening slot 16 and the second input port 4), and controlling the amount of liquid delivered by the second pipe 12 to the shell 2, so that it has the function of adjustable aerosol irrigation speed and irrigation amount.

[0046] In this embodiment, a buried pipe 22 is fixedly installed at the end of the drainage pipe 13, and the buried pipe 22 includes an inner pipe 23, which is connected to the drainage pipe 13. A plurality of pores 24 are opened on the surface of the inner pipe 23, and pressure relief valves 27 are fixedly installed at both ends of the inner pipe 23. Humidity-sensitive resistors 25 are fixedly installed at both ends of the inner pipe 23. Protective mesh covers 26 are threadedly installed at both ends of the inner pipe 23. The surface of the inner pipe 23 is wrapped with a volcanic rock layer 28, and the volcanic rock layer 28 is wrapped on the outside of the pore 24. The water mist discharged from the pore 24 can pass through the volcanic rock layer 28 and enter the soil.

[0047] Among them, Figure 8 As shown, the humidity-sensitive resistor 25 is connected in series with the electromagnetic coil 17. The humidity-sensitive resistor 25 has the function of detecting soil moisture. The relationship between the resistance value of the humidity-sensitive resistor 25 and the humidity is that the resistance value of the humidity-sensitive resistor 25 decreases as the humidity increases, that is, as the soil humidity increases, the resistance value of the humidity-sensitive resistor 25 decreases. On the contrary, as the soil humidity decreases, the resistance value of the humidity-sensitive resistor 25 increases.

[0048] So, if Figure 5 As shown, during the irrigation process, the humidity of the soil increases slowly, the resistance of the humidity-sensitive resistor 25 decreases, the current of the electromagnetic coil 17 increases, and the magnetic repulsion force generated on the movable plug 6 increases, pushing the movable plug 6 to move and compressing the reset spring 10. At this time, the opening of the communication window (composed of the opening slot 16 and the second input port 4) gradually becomes smaller. When the humidity of the soil reaches the requirement, the resistance of the humidity-sensitive resistor 25 reaches the minimum. At this time, the current and magnetic repulsion force of the electromagnetic coil 17 reach the maximum, causing the movable plug 6 to contact the second cut-off column 9 (as shown in FIG. 1 ). Figure 6 As shown in the figure, the communication window is completely closed, the liquid input into the housing 2 is stopped, the communication hole 7 in the movable plug 6 is blocked by the second stop column 9, the airflow of the discharge tube 5 disappears, the pneumatic impeller 19 loses power, the transmission shaft 18 stops rotating, the piezoelectric ceramic atomizing sheet 30 and the electromagnetic coil 17 lose power and stop working, and the reset spring 10 pushes the movable plug 6 to reset, that is, Figure 6 As shown by the dashed arrow, the movable plug 6 moves leftward and contacts the first cut-off column 8, and is reset to the initial state. Figure 4 As shown, the connecting hole 7 and the second input port 4 are in a closed state, that is, the regulator is automatically shut down.

[0049] This design enables the regulator to automatically shut down when the irrigation reaches the predetermined humidity requirement, meeting the requirements of independent and automatic control to terminate irrigation in different irrigation areas. It solves the problem of uneven irrigation, fertilization and spraying in various operating areas due to the inconvenience of automatic start and stop during irrigation, fertilization and spraying using pipe networks.

[0050] It should be noted that the device is started as follows: first, pressurized air is injected into the conveying main pipe 1 (at this time, no water is injected into the conveying main pipe 1). The pressure of the pressurized air on the movable plug 6 is F1. The air of this pressure pushes the movable plug 6 open, enters the buried pipe 22, and is discharged from the pressure relief valve 27 to purge the humidifier 25, so that the humidifier 25 restores the initial resistance value. After waiting for a certain period of time, the humidifier 25 detects the soil moisture, and its resistance value changes accordingly. If the soil moisture around the humidifier 25 meets the requirements, the corresponding regulator will automatically stop after starting in a short time. The principle is the same as above.

[0051] Then, water is injected into the conveying main pipe 1, and the air pressure in the conveying main pipe 1 is reduced. At this time, the pressure of the compressed air on the movable plug 6 is F2, F1> the elastic force of the reset spring 10> F2, and normal irrigation work is carried out. At this time, the air pressure in the conveying main pipe 1 is greatly reduced, and the energy consumption is reduced. Since the elastic force of the reset spring 10 is greater than F2, this is why the electromagnetic coil 17 loses power and stops working, and the reset spring 10 can push the movable plug 6 to reset.

[0052] In summary, the irrigation device proposed in the present invention uses the conveying main pipe 1 to build a ring-shaped pipe network in the entire planting area, and the pipe network irrigates, fertilizes or sprays pesticides to each unit planting area nearby through regulators at different positions;

[0053] From the functional point of view, a. The delivery main pipe 1 can mix and deliver gas and liquid media, and the piezoelectric ceramic atomizer 30 in the regulator atomizes the liquid medium (irrigation water source, or adding nutrient solution, or adding pesticide), and then it is transported to the planting soil along with the flow of gas medium to achieve the functions of irrigation, fertilization or spraying;

[0054] b. The gas medium can be air, carbon dioxide or insecticide gas. Plants need to breathe, the root system needs sufficient oxygen, and the stems and leaves need carbon dioxide gas under photosynthesis conditions. Insecticide gas can kill pests in the soil or air to prevent seedlings or fruits from being damaged by insects.

[0055] c. An electromagnetic coil 17 is arranged in the regulator, and the electromagnetic coil 17 generates a thrust on the movable plug 6. The magnitude of the thrust can be controlled to drive the movable plug 6 to slide left and right, thereby adjusting the size of the connecting window formed by the opening groove 16 and the second input port 4, that is, controlling the delivery amount and delivery speed of the liquid medium. According to the needs of different growth stages of strawberries, the appropriate irrigation speed and irrigation amount can be selected to meet the planting needs of differentiated irrigation.

[0056] From the perspective of energy saving, d. a conductive coil 21 is arranged in the regulator. When the gas medium drives the pneumatic impeller 19 to rotate, the magnetic rotor 20 rotates, so that the electromotive force generated by the conductive coil 21 provides electric energy for the electromagnetic coil 17 and the piezoelectric ceramic atomizer 30. This design does not need to provide electric energy for the regulator, which not only saves energy, but also saves power supply cables for large-area regulator layout, reducing installation costs;

[0057] e. A humidifier 25 is provided in the buried pipe 22. The humidifier 25 has the function of detecting soil moisture. In this device, the humidifier 25 is connected in series with the electromagnetic coil 17. The resistance value of the humidifier 25 changes with the humidity. When the humidity requirement is met, the thrust generated by the electromagnetic coil 17 on the movable plug 6 reaches the maximum. At this time, the movable plug 6 contacts the second cut-off column 9, the pneumatic impeller 19 loses power, and the regulator loses power. Under the action of the reset spring 10, the movable plug 6 contacts the first cut-off column 8. Figure 4 As shown, the regulator is in a shutdown state, that is, when the irrigation reaches the predetermined humidity requirement, the regulator automatically shuts down to meet the requirements of independent and automatic control of terminating irrigation in different irrigation areas, thereby saving water resources.

[0058] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An energy-saving irrigation device for strawberry planting, comprising a conveying main pipe (1) and a regulator, characterized in that: The regulator comprises a shell (2), the surface of the shell (2) is respectively provided with a first input port (3) and a second input port (4), an end of the shell (2) is fixedly mounted with a discharge cylinder (5), and the interior of the shell (2) is fixedly mounted with a piezoelectric ceramic atomizing sheet (30); A movable plug (6) is slidably mounted inside the housing (2), a connecting hole (7) is opened at the axis of the movable plug (6), a first stop column (8) and a second stop column (9) are fixedly mounted inside the housing (2), when the movable plug (6) slides left and right inside the housing (2), the first stop column (8) and the second stop column (9) can be respectively inserted into the two ends of the connecting hole (7), a return spring (10) is sleeved on the surface of the second stop column (9), the return spring (10) presses against the movable plug (6), so that the outer circumferential surface of the movable plug (6) covers the mouth of the second input port (4); A first pipe (11) and a second pipe (12) are respectively installed on the surface of the main delivery pipe (1); the main delivery pipe (1) is connected to the first input port (3) and the second input port (4) through the first pipe (11) and the second pipe (12); and a drainage pipe (13) is threadedly installed at the mouth of the discharge cylinder (5).

2. The energy-saving irrigation device for strawberry planting according to claim 1, characterized in that: The movable plug (6) comprises a magnetic plug body (14) and a plug sleeve (15), the magnetic plug body (14) and the plug sleeve (15) are coaxially fixedly connected, and a plurality of opening grooves (16) are provided between the magnetic plug body (14) and the plug sleeve (15), and when the opening grooves (16) overlap with the second input port (4), a gradually changing communication window is formed, the second pipe (12) is connected with the inner cavity of the shell (2) through the communication window, a gaseous medium is input into the shell (2) through the first pipe (11), and a liquid medium is input into the shell (2) through the second pipe (12), and the opening and closing size of the communication window is controlled by the gaseous medium, so as to control the output rhythm of the liquid medium in a linkage manner.

3. The energy-saving irrigation device for strawberry planting according to claim 2, characterized in that: A spiral electromagnetic coil (17) is embedded inside the outer wall of the shell (2), and the spiral electromagnetic coil (17) is arranged around the magnetic plug body (14).

4. The energy-saving irrigation device for strawberry planting according to claim 3, characterized in that: A transmission shaft (18) is rotatably mounted inside the first shut-off column (8) and the second shut-off column (9); the transmission shaft (18) passes through the connecting hole (7); the end of the transmission shaft (18) extends into the discharge cylinder (5); and a plurality of pneumatic impellers (19) are fixedly mounted on the end of the transmission shaft (18).

5. The energy-saving irrigation device for strawberry planting according to claim 4, characterized in that: An installation chamber is provided at the end of the housing (2), one end of the transmission shaft (18) away from the pneumatic impeller (19) extends into the installation chamber, a magnetic rotor (20) is fixedly mounted on the end of the transmission shaft (18), and a conductive coil (21) is embedded in the inner wall of the installation chamber.

6. An energy-saving irrigation device for strawberry planting according to any one of claims 1 to 5, characterized in that: A buried pipe (22) is fixedly mounted at the end of the drainage pipe (13), the buried pipe (22) comprising an inner pipe (23), the inner pipe (23) being in communication with the drainage pipe (13), a plurality of air holes (24) being provided on the surface of the inner pipe (23), pressure relief valves (27) being fixedly mounted at both ends of the inner pipe (23), humidity-sensitive resistors (25) being fixedly mounted at both ends of the inner pipe (23), and protective mesh covers (26) being threadedly mounted at both ends of the inner pipe (23).

7. The energy-saving irrigation device for strawberry planting according to claim 6, characterized in that: The surface of the inner tube (23) is coated with a volcanic rock layer (28), and the volcanic rock layer (28) is coated on the outside of the pores (24).

8. The energy-saving irrigation device for strawberry planting according to claim 7, characterized in that: The two end portions of the communicating hole (7) are in a trumpet-shaped shape, and the ends of the first cut-off column (8) and the second cut-off column (9) are both in a conical structure.

9. The energy-saving irrigation device for strawberry planting according to claim 8, characterized in that: Storage tanks (29) are fixedly mounted on the upper and lower side surfaces of the conveying main pipe (1), and the first pipe (11) and the second pipe (12) are respectively connected to the two storage tanks (29).

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