Automatic water and fertilizer drip irrigation all-in-one machine for greenhouse

Abstract

The invention relates to the technical field of greenhouses, in particular to an automatic water and fertilizer drip irrigation all-in-one machine for greenhouses, which comprises a liquid storage chamber, a cover body, an output pipe, a guide pipe and a drip irrigation head, the cover body is arranged above the liquid storage chamber, the cover body and the liquid storage chamber are detachably connected, the output pipe is connected below the liquid storage chamber, and the guide pipe is connected below the liquid storage chamber. The front side of the output pipe is connected with a guide pipe, a drip irrigation head is arranged below the guide pipe, an extrusion plug is arranged in the liquid storage chamber, the radial outer side of the extrusion plug is attached to the inner wall of the liquid storage chamber, and an up-down sliding structure is formed between the extrusion plug and the liquid storage chamber. And the liquid in the liquid storage chamber is extruded outwards through the movement of the extrusion plug. Pressurization control in the liquid storage chamber can be realized through movement of the extrusion plug, so that the water and fertilizer mixed liquid is pressed out for drip irrigation, the extrusion plug does not need to continuously move, intermittent control is performed through the expansion piece, and the device is more energy-saving and quiet.

Description

Technical Field

[0001] The invention relates to the technical field of greenhouses, and in particular to an automatic water and fertilizer drip irrigation integrated machine for a greenhouse. Background Art

[0002] During the greenhouse planting process, drip irrigation and maintenance of crops can be achieved through the use of a water-fertilizer drip irrigation machine, which can mix water and fertilizer and drip them onto the roots of crops, and water saving can also be achieved through drip irrigation. A greenhouse drip irrigation device with application number CN2023222014557 comprises a water tank, an inner cylinder is arranged in the water tank, a rotating shaft is arranged in the inner cylinder, a driving gear is arranged on the rotating shaft, a driven gear is arranged on one side of the driving gear, a screw is arranged on the driven gear, a motor is arranged at the upper end of the water tank, a filter is arranged on the circumference of the inner cylinder, a feed port is arranged on the upper side of the water tank, a water pipe is arranged on the upper side of the water tank, a water outlet pipe is arranged on the lower side of the water tank, a water pump is arranged at one end of the water outlet pipe, a pipeline is arranged on the water pump, a main pipe is arranged on the pipeline, a branch pipe is arranged on the main pipe, a shunt pipe is arranged on the branch pipe, a water storage box is arranged at one end of the shunt pipe, a water inlet pipe is arranged on the top of the water storage box, a water storage cavity is arranged in the water storage box, an air bag is arranged in the water storage cavity, and a shower is arranged in the water storage box. The present invention can achieve the mixing of fertilizer or pesticide and water by arranging a water-fertilizer integrated machine and a drip irrigation system, so as to meet the needs of crops for water and nutrients in a timely and appropriate manner.

[0003] When using the current drip irrigation machine, since continuous and automatic drip irrigation is required, if the pump body is set, the operation of the pump body needs to be continuously controlled, the energy consumption is relatively large, and it will also bring about a large operating noise. In addition, during drip irrigation, the pipe body is mostly set as a whole root, which is not conducive to the subsequent extension or shortening of the drip irrigation area according to the needs of drip irrigation, reducing its convenience and flexibility in use. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic water and fertilizer drip irrigation machine for a greenhouse to solve the problem that the current drip irrigation machine, as proposed in the above background technology, needs to perform drip irrigation continuously and automatically when in use. For example, if a pump body is set, the pump body needs to be continuously controlled to work, which consumes relatively large energy and also causes large operating noise. In addition, during drip irrigation, the pipe body is mostly arranged in a whole-root style, which is not conducive to the subsequent lengthening or shortening of the drip irrigation area according to the needs of drip irrigation.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic water and fertilizer drip irrigation machine for a greenhouse, comprising a liquid storage chamber, a cover body, an output pipe, a guide pipe and a drip irrigation head, wherein a cover body is arranged above the liquid storage chamber, a detachable connection is formed between the cover body and the liquid storage chamber, an output pipe is connected below the liquid storage chamber, and a guide pipe is connected to the front side of the output pipe, a drip irrigation head is arranged below the guide pipe, an extrusion plug is arranged inside the liquid storage chamber, and the radial outer side of the extrusion plug is arranged in contact with the inner wall of the liquid storage chamber, and the extrusion plug and the liquid storage chamber are arranged in contact with each other. An up-and-down sliding structure is formed between the two, and the liquid in the liquid storage chamber is pressed outward by the movement of the extrusion plug. A telescopic device is connected to the top of the extrusion plug, and a support frame is fixed above the telescopic device, and the support frame is fixed above the cover body to provide support for the telescopic device. A liquid stirring mechanism is provided at the bottom of the liquid storage chamber to stir the water-fertilizer mixture in the liquid storage chamber, an automatic blocking mechanism is provided at the front end of the guide tube to cover the opening at the front end of the guide tube, and a docking mechanism is provided at the end of the guide tube to splice adjacent guide tubes.

[0006] To further optimize the technical solution, the liquid stirring mechanism includes a movable shaft, a stirring rod and a transmission mechanism; A movable shaft is rotatably mounted on the bottom of the liquid storage chamber; A stirring rod is fixed on the surface of the movable shaft and rotates synchronously with the movable shaft; The transmission mechanism is arranged below the movable shaft to control the rotation of the movable shaft.

[0007] To further optimize the technical solution, the transmission mechanism is a non-contact transmission, so that the inside of the liquid storage chamber maintains a sealing effect.

[0008] To further optimize the technical solution, the transmission mechanism includes a fixed disk, a magnetic block, an attraction block, a driving disk and a motor; A fixed plate, fixed below the movable shaft; The magnetic blocks are fixed below the fixed disk, and the magnetic blocks are distributed at equal angles below the fixed disk; An attraction block is arranged below the magnetic block and attracts the magnetic block, and the attraction block is located at the bottom end of the liquid storage chamber; A driving disk is fixed below the attraction block to provide support for the attraction block, and a vertical center line of the driving disk and a vertical center line of the movable shaft are arranged to coincide with each other; The motor is connected to the driving disk to control the rotation of the driving disk.

[0009] To further optimize the technical solution, the end of the output tube is provided with an extension end, so that the output tube can be extended for use.

[0010] To further optimize the technical solution, the automatic blocking mechanism includes a blocking block, an opening, a blocking plug, a return spring and a support plate; A blocking block is fixed at the front end of the guide tube to provide shielding therefor; An opening is provided in the middle of the blocking block; A sealing plug is arranged at the rear side of the opening to seal the opening; A return spring is fixed to the rear side of the sealing plug to provide it with forward thrust; The support plate is arranged at the rear side of the return spring to provide support for the return spring, and the support plate is fixed inside the guide tube.

[0011] To further optimize the technical solution, the docking mechanism includes a docking head, a docking block and a push rod; A butt joint, fixed to the front end of the guide tube; A docking block is fixed to the rear end of the guide tube, and a threaded connection is formed between the docking block and the docking head; A push rod is fixed at the rear end of the guide pipe, and after the butt joint and the butt block are connected, the push rod pushes the sealing plug to move.

[0012] Compared with the prior art, the present invention has the following beneficial effects: (1) The movement of the squeeze plug can realize the pressure control in the liquid storage chamber, so that the water-fertilizer mixture is hydraulically discharged for drip irrigation. In addition, the squeeze plug does not need to move continuously, and intermittent control is performed through the telescopic device, which is more energy-saving and quiet.

[0013] (2) The extrusion plug can be removed from the liquid storage chamber through the detachable connection between the cover body and the liquid storage chamber, making it convenient to add liquid to the liquid storage chamber later.

[0014] (3) The rotation of the movable shaft drives the stirring rod to stir the liquid in the liquid storage chamber, so that the water-fertilizer mixture is kept uniformly mixed. The rotation of the movable shaft adopts non-contact transmission, so that a good sealing effect is maintained in the liquid storage chamber.

[0015] (4) By providing a splicable guide tube, the guide tube can be extended in a corresponding number according to the use requirements, and the guide tube can be automatically connected after being extended, thereby improving its convenience of use and scope of application.

[0016] (5) The end opening of the guide tube can be blocked by the blocking block and the sealing plug to prevent liquid from flowing out, and after the guide tube is extended, the push rod can push the sealing plug to move and open the opening, thereby realizing automatic connection between the guide tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the main cross-sectional structure of the liquid storage chamber of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram at a in the middle; Figure 5 This is a schematic diagram of the three-dimensional structure of the guide tube of the present invention; Figure 6 It is a schematic diagram of the side cross-sectional structure of the guide tube docking of the present invention.

[0018] In the figure: 1, liquid storage chamber; 2, cover body; 3, output pipe; 4, guide pipe; 5, drip irrigation head; 6, extrusion plug; 7, telescope; 8, support frame; 9, movable shaft; 10, stirring rod; 11, fixed plate; 12, magnetic block; 13, attraction block; 14, driving plate; 15, motor; 16, extension end; 17, docking head; 18, docking block; 19, blocking block; 20, opening; 21, sealing plug; 22, reset spring; 23, support plate; 24, push rod. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 6 The present invention provides the following technical solution: an automatic water and fertilizer drip irrigation machine for a greenhouse, comprising a liquid storage chamber 1, a cover body 2, an output pipe 3, a guide pipe 4 and a drip irrigation head 5, wherein the cover body 2 is arranged above the liquid storage chamber 1, and a detachable connection is formed between the cover body 2 and the liquid storage chamber 1, and the output pipe 3 is connected to the bottom of the liquid storage chamber 1, and the front side of the output pipe 3 is connected to the guide pipe 4, and the drip irrigation head 5 is arranged below the guide pipe 4; Embodiment 1: The present embodiment provides a technical solution, which discloses that an extrusion plug 6 is provided inside the liquid storage chamber 1, and the radial outer side of the extrusion plug 6 is arranged in contact with the inner wall of the liquid storage chamber 1, and an up-and-down sliding structure is formed between the extrusion plug 6 and the liquid storage chamber 1, and the liquid in the liquid storage chamber 1 is pressed outward by the movement of the extrusion plug 6, and an expander 7 is connected to the top of the extrusion plug 6, and a support frame 8 is fixed above the expander 7, and the support frame 8 is fixed above the cover body 2 to provide support for the expander 7, and a liquid stirring mechanism is provided at the bottom of the liquid storage chamber 1 to stir the water-fertilizer mixture in the liquid storage chamber 1, and an automatic blocking mechanism is provided at the front end of the guide tube 4 to cover the open opening at the front end of the guide tube 4, and a docking mechanism is provided at the end of the guide tube 4 to splice adjacent guide tubes 4.

[0021] When in use, a water-fertilizer mixture can be added to the liquid storage chamber 1, and then the cover body 2 is installed to allow the squeeze plug 6 to enter the liquid storage chamber 1. When drip irrigation control is performed, the squeeze plug 6 can be controlled to move through the telescopic device 7 to pressurize the liquid storage chamber 1, so that the water and fertilizer inside are pressed outward and drip out through the drip irrigation head 5, thereby realizing drip irrigation control. Compared with a pump body, it has lower energy consumption and less noise.

[0022] Embodiment 2: On the basis of the first embodiment, a liquid stirring mechanism is disclosed, which includes a movable shaft 9, a stirring rod 10 and a transmission mechanism. The movable shaft 9 is rotatably mounted at the bottom of the liquid storage chamber 1. The stirring rod 10 is fixed to the surface of the movable shaft 9 and keeps synchronous rotation with the movable shaft 9. The transmission mechanism is arranged below the movable shaft 9 to control the rotation of the movable shaft 9. The transmission mechanism is a non-contact transmission, so that the inside of the liquid storage chamber 1 maintains a sealing effect. The transmission mechanism includes a fixed disk 11, a magnetic block 12, an attraction block 13, a drive disk 14 and a motor 15. The fixed disk 11, The magnetic block 12 is fixed below the movable shaft 9, and is fixed below the fixed disk 11, and the magnetic block 12 is distributed at equal angles below the fixed disk 11. The attraction block 13 is arranged below the magnetic block 12 and attracts the magnetic block 12, and the attraction block 13 is located at the bottom end of the liquid storage chamber 1. The driving disk 14 is fixed below the attraction block 13 to provide support for the attraction block 13, and the vertical center line of the driving disk 14 is arranged to coincide with the vertical center line of the movable shaft 9. The motor 15 is connected to the driving disk 14 to control the rotation of the driving disk 14.

[0023] After the liquid is added, it can be stirred and mixed. During stirring, the motor 15 is started to drive the driving disk 14 to rotate, and the driving disk 14 drives the attraction block 13 to move. The attraction block 13 drives the fixed disk 11 to rotate synchronously by attracting the magnetic block 12, so that the fixed disk 11 drives the movable shaft 9 to rotate. At the same time, the stirring rod 10 stirs the mixed liquid to keep the mixing uniformity.

[0024] Embodiment three: On the basis of the first embodiment, the end of the output tube 3 is provided with an extension end 16, and the output tube 3 is extended for use. The automatic blocking mechanism includes a blocking block 19, an opening 20, a blocking plug 21, a return spring 22 and a support plate 23. The blocking block 19 is fixed at the front end of the guide tube 4 to provide shielding for it, the opening 20 is opened in the middle of the blocking block 19, the blocking plug 21 is arranged at the rear side of the opening 20 to block the opening 20, and the return spring 22 is fixed at the rear side of the blocking plug 21 to provide it The forward thrust, the support plate 23, is arranged on the rear side of the return spring 22 to provide support for it, and the support plate 23 is fixed inside the guide tube 4, the docking mechanism includes a docking joint 17, a docking block 18 and a push rod 24, the docking joint 17 is fixed at the front end of the guide tube 4, the docking block 18 is fixed at the rear end of the guide tube 4, and a threaded connection is formed between the docking block 18 and the docking joint 17, and the push rod 24 is fixed at the rear end of the guide tube 4, and after the docking joint 17 and the docking block 18 are connected, the push rod 24 pushes the sealing plug 21 to move.

[0025] The extended end 16 at the end of the output pipe 3 can adopt the same structure as the docking mechanism and automatic sealing mechanism at the end of the guide pipe 4, so that the output pipe 3 can also achieve a free splicing effect. When splicing the guide pipes 4, the docking joints 17 and docking blocks 18 at the ends of adjacent guide pipes 4 can be connected. After the connection, the push rod 24 will contact the sealing plug 21, push the sealing plug 21 to move, open the opening 20, and make the inside of the guide pipes 4 interconnected. At the same time, the guide pipes 4 at the ends can be blocked by the sealing plug 21 to prevent water from flowing out of the body, which is more convenient to use.

[0026] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic water and fertilizer drip irrigation machine for a greenhouse, comprising a liquid storage chamber (1), a cover body (2), an output pipe (3), a guide pipe (4) and a drip irrigation head (5), wherein the cover body (2) is arranged above the liquid storage chamber (1), the cover body (2) and the liquid storage chamber (1) are detachably connected, the output pipe (3) is connected below the liquid storage chamber (1), the front side of the output pipe (3) is connected to the guide pipe (4), and the drip irrigation head (5) is arranged below the guide pipe (4); the characteristics are: The liquid storage chamber (1) is provided with an extrusion plug (6) inside, and the radial outer side of the extrusion plug (6) is arranged in contact with the inner wall of the liquid storage chamber (1), and an up-and-down sliding structure is formed between the extrusion plug (6) and the liquid storage chamber (1), and the liquid in the liquid storage chamber (1) is pressed outward by the movement of the extrusion plug (6). The top of the extrusion plug (6) is connected to a telescopic device (7), and a support frame (8) is fixed above the telescopic device (7), and the support frame (8) is fixed above the cover body (2) to provide support for the telescopic device (7). The bottom of the liquid storage chamber (1) is provided with a liquid stirring mechanism to stir the water-fertilizer mixture in the liquid storage chamber (1). The front end of the guide tube (4) is provided with an automatic blocking mechanism to cover the open end of the guide tube (4), and the end of the guide tube (4) is provided with a docking mechanism to splice adjacent guide tubes (4).

2. The greenhouse automatic water and fertilizer drip irrigation machine according to claim 1 is characterized by: The liquid stirring mechanism comprises a movable shaft (9), a stirring rod (10) and a transmission mechanism; The movable shaft (9) is rotatably mounted on the bottom of the liquid storage chamber (1); The stirring rod (10) is fixed on the surface of the movable shaft (9) and rotates synchronously with the movable shaft (9); The transmission mechanism is arranged below the movable shaft (9) to control the rotation of the movable shaft (9).

3. The greenhouse automatic water and fertilizer drip irrigation machine according to claim 2 is characterized by: The transmission mechanism is a non-contact transmission, so that the interior of the liquid storage chamber (1) maintains a sealing effect.

4. The greenhouse automatic water and fertilizer drip irrigation machine according to claim 2 or 3, characterized in that: The transmission mechanism comprises a fixed disk (11), a magnetic block (12), an attraction block (13), a driving disk (14) and a motor (15); The fixed plate (11) is fixed below the movable shaft (9); The magnetic blocks (12) are fixed below the fixed disk (11), and the magnetic blocks (12) are distributed at equal angles below the fixed disk (11); The attraction block (13) is arranged below the magnetic block (12) and attracts the magnetic block (12), and the attraction block (13) is located at the bottom end of the liquid storage chamber (1); The driving disk (14) is fixed below the attraction block (13) to provide support for the attraction block (13), and the vertical center line of the driving disk (14) and the vertical center line of the movable shaft (9) are arranged to coincide with each other; The motor (15) is connected to the driving disk (14) to control the rotation of the driving disk (14).

5. The greenhouse automatic water and fertilizer drip irrigation integrated machine according to claim 1, characterized in that: The end of the output tube (3) is provided with an extension end (16), and the output tube (3) is extended for use.

6. The greenhouse automatic water and fertilizer drip irrigation machine according to claim 1, characterized in that: The automatic blocking mechanism comprises a blocking block (19), an opening (20), a blocking block (21), a return spring (22) and a support plate (23); The blocking block (19) is fixed to the front end of the guide tube (4) to provide shielding therefor; The opening (20) is opened in the middle of the blocking block (19); The sealing plug (21) is arranged at the rear side of the opening (20) to seal the opening (20); The return spring (22) is fixed to the rear side of the sealing plug (21) to provide a forward thrust therefor; The support plate (23) is arranged on the rear side of the return spring (22) to provide support for the return spring (22), and the support plate (23) is fixed inside the guide tube (4).

7. The greenhouse automatic water and fertilizer drip irrigation machine according to claim 6 is characterized by: The docking mechanism comprises a docking head (17), a docking block (18) and a push rod (24); The butt joint (17) is fixed to the front end of the guide tube (4); The docking block (18) is fixed to the rear end of the guide tube (4), and a threaded connection is formed between the docking block (18) and the docking head (17); The push rod (24) is fixed to the rear end of the guide tube (4), and after the docking joint (17) and the docking block (18) are connected, the push rod (24) pushes the sealing plug (21) to move.

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