Water and fertilizer irrigation device for intelligent greenhouse for on-line soil fertility detection

Abstract

A water and fertilizer irrigation device for an intelligent greenhouse for on-line soil fertility detection belongs to the technical field of greenhouse planting and irrigation, and specifically comprises three suspensions mounted on the inner side of a greenhouse support, and the bottom of the middle suspension is fixedly connected with a control motor. The water and fertilizer irrigation device for the intelligent greenhouse for online soil fertility detection has the advantages that according to irrigation requirements, the screw rod is controlled by the control motor to rotate so as to drive the longitudinal frame in threaded connection with the screw rod to vertically ascend and descend, and at the moment, the main frame connected through the transverse frame can also move; the longitudinal pipe installed on the inner side of the main frame sprays water and fertilizer to the position of crops at the bottom through the spray head, the longitudinal pipe can be lifted to avoid blocking normal operation when other devices work, the main frame is moved along the transverse frame, the position of the longitudinal pipe can be horizontally moved along the transverse frame, and therefore the spray head can cover the stroke of the whole transverse frame length. And range irrigation is realized with a small number of structures.

Description

Technical Field

[0001] The invention belongs to the technical field of greenhouse planting irrigation, and relates to a greenhouse water-fertilizer irrigation device, and specifically to an intelligent greenhouse water-fertilizer irrigation device with online soil fertility detection. Background Art

[0002] As we all know, water-fertilizer irrigation is a modern agricultural technology that dissolves fertilizer in irrigation water and irrigates and fertilizes simultaneously through an irrigation system. This technology can accurately provide water and nutrients to crops, improve fertilizer utilization, and reduce the labor intensity of manual fertilization. When combined with a smart greenhouse, the ratio of irrigation water can be adjusted according to soil fertility and other conditions.

[0003] After searching, a Chinese patent discloses a water-fertilizer irrigation device, and its application publication number is CN116349474B. This patent has the function of using irrigation water as a power source to save energy consumption. The pressure generated when the irrigation water passes through the conical hole, the rotation speed of the blades, and the frequency of scraper feeding are all related to the flow rate of irrigation water. When the flow rate is fast, the water volume is large, the adsorption force is large, the fertilizer supply is large, and the fertilizer entering the first pipe is more. When the flow rate is slow, the water volume is small, the adsorption force is reduced, the fertilizer supply is reduced, and the fertilizer entering the first pipe is reduced. In this way, the self-regulating function of the water-fertilizer ratio can be realized.

[0004] When water and fertilizer irrigation is needed in the smart greenhouse, a water and fertilizer irrigation device is needed. The existing technology has the following problems: although the ratio can be flexibly adjusted according to soil data, the pipelines are mostly close to the surface of the land or fixedly suspended during the irrigation process. This method is not only less flexible, but may require more equipment support according to the actual greenhouse area. It is not only costly, but also easy to block the equipment position when turning the soil or harvesting it by agricultural machinery, which is inconvenient to use. Based on the above-mentioned situation, we found that it is difficult for the existing water-fertilizer irrigation device to avoid the above problems at the same time. Therefore, we proposed an intelligent greenhouse water-fertilizer irrigation device that reduces the number of irrigation equipment to save costs, avoids obstruction with other operating equipment, can flexibly change positions, and can improve the water-fertilizer ratio effect. It can detect the soil fertility online.

[0005] ‌ Summary of the invention In view of the shortcomings of the prior art, the present invention provides an intelligent greenhouse water-fertilizer irrigation device with online soil fertility detection, which has the advantages of reducing the number of irrigation equipment to save costs, avoiding obstruction with other operating equipment, being able to flexibly change position, and improving the water-fertilizer ratio effect.

[0006] The present application provides an intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection, which adopts the following technical solutions: The above technical objectives of the present invention are achieved through the following technical solutions: an intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection, comprising three suspensions installed on the inner side of a greenhouse support, a control motor is fixedly connected to the bottom of the middle suspension, a screw rod is fixedly connected to the output end of the control motor, an irrigation assembly is movably connected to the outer side of the screw rod, and a filling tank assembly is provided on the front side of the suspension; The irrigation assembly comprises a longitudinal frame, the front and rear sides of the longitudinal frame are fixedly connected to a transverse frame, the inner side of the transverse frame is slidably connected to a transverse frame, a main frame is movably connected between the two transverse frames, a longitudinal pipe is installed on the inner side of the main frame, and a nozzle is installed at the bottom of the longitudinal pipe; The tank filling assembly comprises a layer tank and a main tank arranged inside the layer tank, the two sides of the main tank are fixedly connected by a metal frame, the inner side of the main tank is rotatably connected with an inner shaft, the outer side of the inner shaft is rotatably connected with the left side of the layer tank, the left side of the inner shaft is externally connected with a driving motor and a reducer, the outer side of the inner shaft is fixedly connected with a sub-section, the outer side of the sub-section is fixedly connected with a blade, the outer side of the main tank is fixedly connected with a heating wire, the inner side of the layer tank is fixedly connected with a heat conducting pipe, the bottom of the left side of the heat conducting pipe is movably connected with the inner shaft, and the right side of the inner side of the heat conducting pipe is arranged at the bottom of the inner side of the main tank; A main pump is fixedly connected to the front side of the layer tank, an input end of the main pump is communicated with the bottom of the inner side of the main tank, and an output end of the main pump is communicated with a hose and a longitudinal pipe.

[0007] By adopting the above technical scheme, a suspension is set up to install the device on the supporting frame of the greenhouse for installing the irrigation component. According to the irrigation demand, the motor is controlled to control the rotation of the screw rod to drive the vertical lifting of the longitudinal frame threaded with the screw rod. At this time, the main frame connected by the transverse frame will also move, and the longitudinal pipe installed on the inner side of the main frame sprays water and fertilizer to the bottom crop position through the nozzle, and can be raised when other equipment is operating to avoid blocking the normal operation. The main frame is moved along the transverse frame, and the position of the longitudinal pipe can be moved horizontally along the transverse frame so that the nozzle can cover the entire length of the transverse frame, thereby realizing range irrigation with a smaller number of structures. A filling tank component is set up, and the main tank is filled with irrigation liquid for storage and easy use. The set main tank directly holds the liquid, and the layer tank is directly connected to the outside while playing a protective effect. There is a certain distance between the main tank and the layer tank to reduce the impact of external overheating or overcooling on the internal stored liquid. When the external light is good and the stored liquid needs to be mixed or the temperature is low, the inside of the main tank can be heated by the electric heating wire, or the internal stored liquid can be continuously extracted from the right side of the main tank through the heat pipe, and re-injected into the main tank from the left side after flowing along the outside of the layer tank. When the light from the external environment shines on the outside of the layer tank, the dark outer tank will absorb the light to generate heat, and the heat pipe in direct contact will heat the stored liquid to a certain extent. When mixing, the external motor and reducer will slowly drive the inner shaft to rotate, and the blades installed through the sub-section will slowly stir the internal stored liquid to avoid stratification or precipitation, and at the same time, the later added liquid can be evenly mixed with the stored liquid.

[0008] The present invention is further configured as follows: the inner shaft includes a hollow shaft body and a connecting short shaft, the left side of the hollow shaft body is rotatably connected to a slip ring, the left side of the slip ring is rotatably connected to the connecting short shaft, the inner side of the connecting short shaft is fixedly connected to a hollow frame, and the outer side of the hollow frame is fixedly connected to the hollow shaft body.

[0009] By adopting the above technical solution, a hollow shaft body is set to cooperate with the slip ring and the connecting short shaft. When the external motor and reducer drive the connecting short shaft to rotate, the hollow shaft body connected to it through the hollowing will also be driven and transmitted. The slip ring will not rotate because it is limited by the connection with the heat pipe. After the liquid is injected into the slip ring, it will be evenly injected into the main tank from the sub-section through the hollow shaft body.

[0010] The present invention is further configured as follows: a one-way valve is installed on the inner side of the sub-section, an auxiliary pump is installed on the inner side of the heat conduction pipe, and the auxiliary pump is arranged on the right side of the tank filling assembly.

[0011] By adopting the above technical solution, an auxiliary pump is set up to provide power for the heat transfer pipe, and drive it to extract the liquid stored in the main tank and discharge it. It can also be used to directly inject a large amount of irrigation water from the outside. The one-way valve can prevent the stored liquid from flowing back or making it difficult to empty the main tank.

[0012] The present invention is further configured as follows: a filling cylinder is fixedly connected to the top of the layer tank, an electric cylinder is fixedly connected to the top of the filling cylinder, a push piece is fixedly connected to the telescopic end of the electric cylinder, the bottom of the filling cylinder is fixedly connected to the main tank, a discharge valve is installed at the bottom of the inner side of the filling cylinder, and a filling valve is installed on the right side of the filling cylinder.

[0013] By adopting the above technical solution, a filling cylinder is arranged in conjunction with an electric cylinder, and the inside of the filling cylinder is filled with the required liquid medicine. The liquid medicine can be injected into the filling cylinder from the filling valve. When quantitative injection into the main tank is required, the intelligent greenhouse system controls the electric cylinder to extend a fixed distance, and uses a push piece to press the internal liquid medicine to inject it into the main tank through the filling valve.

[0014] The present invention is further configured as follows: an isolation cylinder is fixedly connected to the inner side of the layer tank, and a heat-insulating cotton filling layer is provided between the isolation cylinder and the layer tank.

[0015] By adopting the above technical solution, by setting an isolation tube and a heat-insulating cotton filling layer, the temperature inside and outside the environment can be isolated to reduce the direct impact on the main tank, and at the same time, the temperature conducted by the layer tank can be preserved to conduct the temperature to the position of the heat-conducting pipe. The present invention is further configured as follows: a support frame is fixedly connected to the top of the inner side of the main tank, and the inner side of the support frame is rotatably connected to the inner shaft.

[0016] By adopting the above technical solution, a support frame is provided to support the right side of the inner shaft and enable it to rotate stably inside the main tank.

[0017] The present invention is further configured as follows: the bottoms of the two side suspensions are fixedly connected with sliding rods, the bottoms of the sliding rods and the screw rods are provided with piles, the outer side of the cross frame is slidably connected with a sub-beam, and the inner side of the sub-beam is slidably connected to the sliding rod.

[0018] By adopting the above technical solution, by setting a sliding rod to cooperate with the sub-beam, when the cross frame, the cross frame and the longitudinal frame move vertically, the sub-beam connected thereto will move vertically along the sliding rod to limit the structure. At the same time, the screw rod and the sliding rod can be firmly fixed to the ground through the piles, which can also provide a certain supporting effect on the suspension.

[0019] The present invention is further configured as follows: the bottom of the screw rod is rotatably connected to a turntable, the bottom of the turntable is fixedly connected to a middle pile, and the bottoms of the two sliding rods are respectively fixedly connected to the tops of the piles on both sides.

[0020] By adopting the above technical solution, by setting a turntable, the screw rod can be easily rotated along the pile, and the fixing of the slide rod and the pile can make the structure stable and reduce the possibility of tilting or rotation.

[0021] The present invention is further configured as follows: a sliding frame is slidably connected to the outer side of the rear horizontal frame, a gear is rotatably connected to the inner side of the sliding frame, a meshing tooth is fixedly connected to the inner side of the rear horizontal frame, the outer side of the meshing tooth is meshingly connected to the gear, and the front side of the sliding frame is fixedly connected to the main frame.

[0022] By adopting the above technical solution, by setting a sliding frame, it is easy to slide the horizontal frame on the outside of the horizontal frame to drive the main frame to move horizontally along the horizontal frame. When the set gear rotates on the inside of the sliding frame, it will engage with the meshing teeth to achieve the effect of structural transmission.

[0023] The present invention is further configured as follows: a control motor is fixedly connected to the top of the sliding frame, an output end of the control motor passes through the sliding frame and is fixedly connected to a gear, and the front side of the main frame is slidably connected to the inner side of the front side cross frame.

[0024] By adopting the above technical solution, a control motor is set up to facilitate the driving gear to rotate inside the sliding frame. The front side of the main frame can be smoothly displaced laterally due to the limitation of the cross frame, thereby reducing the possibility of tilting or structural deformation due to stress.

[0025] In summary, the present invention includes at least one of the following beneficial technical effects: (1) The present invention is used to install the device on the support frame of the greenhouse by setting a suspension, so as to install the irrigation component. According to the irrigation demand, the motor is controlled to control the rotation of the screw rod to drive the vertical lifting of the longitudinal frame threaded with the screw rod. At this time, the main frame connected by the transverse frame will also move. The longitudinal pipe installed on the inner side of the main frame sprays water and fertilizer to the bottom crop position through the nozzle, and can be raised to avoid blocking the normal operation when other equipment is operating. The main frame is moved along the transverse frame, and the position of the longitudinal pipe can be moved horizontally along the transverse frame so that the nozzle can cover the entire length of the transverse frame, thereby realizing range irrigation with a smaller number of structures.

[0026] (2) The present invention uses a tank filling assembly, and the main tank is filled with irrigation liquid for storage and easy use. The main tank is directly used to hold the liquid, while the layer tank is directly in contact with the external environment while playing a protective role. There is a certain distance between the main tank and the layer tank to reduce the impact of external overheating or overcooling on the internal stored liquid. When the external light is good and the stored liquid needs to be mixed or the temperature is low, the inside of the main tank can be heated by an electric heating wire, or the internal stored liquid can be continuously extracted from the right side of the main tank through a heat pipe, and then re-injected into the main tank from the left side of the main tank after flowing along the outside of the layer tank. When the light of the external environment irradiates the outside of the layer tank, the dark outer tank absorbs the light to generate heat, and the heat pipe in direct contact with it heats the stored liquid to a certain extent. During mixing, the external motor and reducer will slowly drive the inner shaft to rotate, and the blades installed through the sub-section will slowly stir the internal stored liquid to avoid stratification or precipitation, and at the same time, the later added liquid can be evenly mixed with the stored liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure in the present invention.

[0028] Figure 2 It is a schematic diagram of the position of the filling cylinder in the present invention.

[0029] Figure 3 It is a schematic diagram of the structure of the tank filling assembly in the present invention.

[0030] Figure 4 It is a schematic diagram of the structure of the inner shaft in the present invention.

[0031] Figure 5 It is a schematic structural diagram of the middle tank of the present invention.

[0032] Figure 6 It is a connection schematic diagram of the screw rod in the present invention.

[0033] Figure 7 It is a structural schematic diagram of the sliding rod in the present invention.

[0034] In the figure: suspension 1, control motor 2, screw rod 3, irrigation assembly 4, longitudinal frame 401, transverse frame 402, transverse frame 403, main frame 404, longitudinal pipe 405, sprinkler 406, filling tank assembly 5, layer tank 501, main tank 502, inner shaft 503, hollow shaft body 503a, connecting short shaft 503b, slip ring 503c, hollow frame 503d, sub-section 504, blade 505, heating wire 506, heat pipe 507, main pump 6, one-way valve 7, sub-pump 8, filling cylinder 9, electric cylinder 10, push piece 11, discharge valve 12, filling valve 13, isolation cylinder 14, support frame 15, slide rod 16, pile 17, sub-beam 18, turntable 19, slide frame 20, gear 21, meshing gear 22, control motor 23. DETAILED DESCRIPTION

[0035] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art fall within the scope defined by the claims attached to this application.

[0036] Example 1 See also Figure 1-7 , an intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection, comprising three suspensions 1 installed on the inner side of a greenhouse support, a control motor 2 is fixedly connected to the bottom of the middle suspension 1, a screw rod 3 is fixedly connected to the output end of the control motor 2, an irrigation component 4 is movably connected to the outer side of the screw rod 3, and a filling tank component 5 is provided on the front side of the suspension 1; The irrigation assembly 4 includes a longitudinal frame 401, the front and rear sides of the longitudinal frame 401 are fixedly connected to a transverse frame 402, the inner side of the transverse frame 402 is slidably connected to a transverse frame 403, a main frame 404 is movably connected between the two transverse frames 403, a longitudinal pipe 405 is installed on the inner side of the main frame 404, and a nozzle 406 is installed at the bottom of the longitudinal pipe 405; The front side of the layer tank 501 is fixedly connected with a main pump 6, the input end of the main pump 6 is connected to the bottom of the inner side of the main tank 502, and the output end of the main pump 6 is connected to the longitudinal pipe 405 through a hose; By setting up a suspension 1 for installing the device on a supporting frame 15 of a greenhouse, for installing an irrigation component 4, according to the irrigation demand, the motor 2 is controlled to control the rotation of the screw rod 3 to drive the vertical lifting and lowering of the longitudinal frame 401 threadedly connected to the screw rod 3, and at this time, the main frame 404 connected through the transverse frame 403 will also move, and the longitudinal pipe 405 installed on the inner side of the main frame 404 sprays water and fertilizer to the bottom crop position through the nozzle 406, and can be raised when other equipment is operating to avoid blocking normal operation, and the main frame 404 is moved along the transverse frame 403, and the position of the longitudinal pipe 405 can be moved horizontally along the transverse frame 403, so that the nozzle 406 can cover the entire length of the transverse frame 403, thereby realizing range irrigation with a smaller number of structures.

[0037] Among them, the bottom of the suspensions 1 on both sides are fixedly connected with a slide bar 16, and the bottom of the slide bar 16 and the screw rod 3 are provided with a pile 17. The outer side of the cross frame 403 is slidably connected with a sub-beam 18, and the inner side of the sub-beam 18 is slidably connected to the slide bar 16. By setting the slide bar 16 to cooperate with the sub-beam 18, when the cross frame 403, the cross frame 402 and the longitudinal frame 401 move vertically, the sub-beam 18 connected thereto will move vertically along the slide bar 16 to limit the structure, and at the same time, the screw rod can be firmly fixed by the pile 17. 3 and the slide bar 16 are fixed to the ground, which can also provide a certain support effect for the suspension 1. The bottom of the screw rod 3 is rotatably connected with a turntable 19, and the bottom of the turntable 19 is fixedly connected to the middle pile 17. The bottoms of the two slide bars 16 are respectively fixedly connected to the tops of the piles 17 on both sides. By setting the turntable 19, it is convenient to rotate the screw rod 3 along the pile 17. The fixing of the slide bar 16 and the pile 17 can make the structure stable and reduce the possibility of tilting or rotation. The outer sliding connection of the rear side cross frame 403 The sliding frame 20 is connected to the rear transverse frame 403, and the inner side of the sliding frame 20 is rotatably connected to the gear 21. The inner side of the rear transverse frame 403 is fixedly connected to the meshing teeth 22. The outer side of the meshing teeth 22 is meshed with the gear 21. The front side of the sliding frame 20 is fixedly connected to the main frame 404. By setting the sliding frame 20, it is convenient to slide the transverse frame 403 on the outer side of the transverse frame 403 to drive the main frame 404 to move horizontally along the transverse frame 403. The gear 21 is meshed with the meshing teeth 22 when the inner side of the sliding frame 20 rotates to start In order to achieve the effect of structural transmission, a control motor 23 is fixedly connected to the top of the sliding frame 20, and the output end of the control motor 23 passes through the sliding frame 20 and is fixedly connected to the gear 21. The front side of the main frame 404 and the inner side of the front cross frame 403 are slidably connected. By setting the control motor 23, it is convenient to drive the gear 21 to rotate inside the sliding frame 20. The front side of the main frame 404 can be smoothly displaced laterally because of the limitation of the cross frame 403, thereby reducing the possibility of tilting or structural deformation due to force.

[0038] Working principle of this embodiment: when in use, the screw rod 3 and the slide rod 16 can be inserted into a stable land position through the pile 17, and the suspension 1 can be installed on the support frame 15 of the greenhouse by bolts. According to the irrigation demand, the screw rod 3 is controlled by the control motor 2 to rotate to drive the vertical frame 401 threadedly connected to the screw rod 3 to rise and fall vertically. At this time, the main frame 404 connected through the cross frame 403 will also move, and the main pump 6 extracts the irrigation water and fertilizer in the filling tank assembly 5, and sprays the water and fertilizer to the bottom crop position through the hose and the longitudinal pipe 405 through the nozzle 406, and can be raised when the other equipment is operating to avoid blocking the normal operation. The control motor 23 drives the gear 21 to rotate inside the slide frame 20. When the gear 21 rotates inside the slide frame 20, it will mesh with the meshing tooth 22 to achieve the effect of structural transmission, and move the main frame 404 along the cross frame 403 to horizontally move the position of the longitudinal pipe 405 along the cross frame 403, so that the spraying range of the nozzle 406 can cover the entire length of the cross frame 403.

[0039] Example 2 refer to Figure 1-5 , an intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection also includes a tank filling assembly 5, wherein the tank filling assembly 5 includes a layer tank 501 and a main tank 502 arranged inside the layer tank 501, the two sides of the main tank 502 are fixedly connected by a metal frame, the inner side of the main tank 502 is rotatably connected with an inner shaft 503, the outer side of the inner shaft 503 is rotatably connected to the left side of the layer tank 501, the left side of the inner shaft 503 is externally connected to a driving motor and a reducer, the outer side of the inner shaft 503 is fixedly connected with a sub-section 504, the outer side of the sub-section 504 is fixedly connected with a blade 505, the outer side of the main tank 502 is fixedly connected with a heating wire 506, the inner side of the layer tank 501 is fixedly connected with a heat pipe 507, the bottom of the left side of the heat pipe 507 is movably connected to the inner shaft 503, and the right side of the inner side of the heat pipe 507 is arranged at the bottom of the inner side of the main tank 502; The front side of the layer tank 501 is fixedly connected with a main pump 6, the input end of the main pump 6 is connected to the bottom of the inner side of the main tank 502, and the output end of the main pump 6 is connected to the longitudinal pipe 405 through a hose; By setting the filling tank assembly 5, the main tank 502 is filled with irrigation liquid for storage and easy use. The main tank 502 is directly used to hold the liquid, while the layer tank 501 is directly in contact with the external environment while playing a protective effect. There is a certain distance between the main tank 502 and the layer tank 501 to reduce the impact of the external overheating or overcooling environment on the internal liquid. When the external light is good and the liquid needs to be mixed or the temperature is low, the main tank 502 can be heated by the electric heating wire, or the heat can be continuously pumped from the right side of the main tank 502 through the heat pipe 507. The internal stored liquid is taken, and after flowing along the outside of the layer tank 501, it is re-injected into the main tank 502 from the left side of the main tank 502. When the light from the external environment illuminates the outside of the layer tank 501, the dark outer tank will absorb the light to generate heat, and the heat pipe 507 in direct contact with it will heat the passing stored liquid to a certain extent. During mixing, the external motor and reducer will slowly drive the inner shaft 503 to rotate, and the blades 505 installed with it through the sub-section 504 will slowly stir the internal stored liquid to avoid stratification or precipitation, and at the same time allow the later added liquid to be evenly mixed with the stored liquid.

[0040] The inner shaft 503 includes a hollow shaft body 503a and a connecting short shaft 503b, the left side of the hollow shaft body 503a is rotatably connected with a slip ring 503c, the left side of the slip ring 503c is rotatably connected with the connecting short shaft 503b, the inner side of the connecting short shaft 503b is fixedly connected with a hollow frame 503d, and the outer side of the hollow frame 503d is fixedly connected with the hollow shaft body 503a. By setting the hollow shaft body 503a to cooperate with the slip ring 503c and the connecting short shaft 503b, when the external motor and reducer drive the connecting short shaft 503b to rotate, the hollow shaft body 503a connected thereto through the hollow addition will also be driven and transmitted, and the slip ring 50 3c is connected to the heat pipe 507 and is limited so that it will not rotate. After the liquid is injected into the slip ring 503c, it will be evenly injected into the main tank 502 from the sub-section 504 through the hollow shaft 503a. A one-way valve 7 is installed on the inner side of the sub-section 504, and an auxiliary pump 8 is installed on the inner side of the heat pipe 507. The auxiliary pump 8 is arranged on the right side of the filling tank assembly 5. By setting the auxiliary pump 8, power is provided for the heat pipe 507, and it is driven to extract the liquid stored in the main tank 502 and discharge it. It can also be used to directly inject a large amount of irrigation water from the outside. The one-way valve 7 can prevent the stored liquid from flowing back or making it difficult to empty the main tank 502. The top of the layer tank 501 is fixedly connected with The top of the filling cylinder 9 is fixedly connected to the electric cylinder 10, the telescopic end of the electric cylinder 10 is fixedly connected to the push piece 11, the bottom of the filling cylinder 9 is fixedly connected to the main tank 502, a discharge valve 12 is installed at the bottom of the inner side of the filling cylinder 9, and a filling valve 13 is installed on the right side of the filling cylinder 9. By setting the filling cylinder 9 to cooperate with the electric cylinder 10, the filling cylinder 9 is filled with the liquid medicine that needs to be filled, and the liquid medicine can be injected into the filling cylinder 9 from the filling valve 13. When it is necessary to inject quantitatively into the main tank 502, the intelligent greenhouse system controls the electric cylinder 10 to extend a fixed distance, and presses the internal liquid medicine through the push piece 11 to inject it into the main tank 502 through the filling valve 13, and the layer tank is filled with liquid medicine. An isolation tube 14 is fixedly connected to the inner side of 501, and a thermal insulation cotton filling layer is provided between the isolation tube 14 and the layer tank 501. By arranging the isolation tube 14 in conjunction with the thermal insulation cotton filling layer, the internal and external temperatures of the environment can be isolated to reduce the direct impact on the main tank 502. At the same time, the temperature conducted by the layer tank 501 can be preserved to conduct the temperature to the position of the heat pipe 507. A support frame 15 is fixedly connected to the top of the inner side of the main tank 502, and the inner side of the support frame 15 is rotatably connected to the inner shaft 503. By arranging the support frame 15, it is used to support the right side of the inner shaft 503 and enable it to rotate stably on the inner side of the main tank 502.

[0041] The working principle of this embodiment is as follows: when in use, irrigation water can be injected through the auxiliary pump 8 to directly irrigate or dilute the liquid medicine. The main tank 502 of the filling tank assembly 5 is filled with irrigation liquid for storage and easy use. The main tank 502 directly holds the liquid, and the layer tank 501 is in direct contact with the external environment while playing a protective effect. There is a certain distance between the main tank 502 and the layer tank 501 to reduce the impact of external overheating or overcooling environment on the internal stored liquid. When the temperature is low, the inside of the main tank 502 is heated by the electric heating wire. When the external light is good and the stored liquid needs to be mixed or needs to be heated, the auxiliary pump 8 can also continuously extract the internal stored liquid from the right side of the main tank 502 through the heat pipe 507. The hollow shaft body 503a is connected with the slip ring 503c and the connecting short shaft 503b. When the external motor and reducer drive the connecting short shaft 503b to rotate, the hollow shaft body 503a connected to it through the hollow addition will also be Drive transmission, and the slip ring 503c is limited by the connection with the heat pipe 507 and will not rotate. After the liquid flows back from the heat pipe 507 and is injected into the slip ring 503c, it will be evenly injected into the main tank 502 from the sub-section 504 through the hollow shaft 503a. When the light of the external environment irradiates the outside of the layer tank 501, the dark outer tank absorbs the light back to generate heat, and the heat pipe 507 in direct contact with it heats the passing stored liquid to a certain extent. When it is necessary to add the proportioned liquid, the liquid is injected into the filling cylinder 9 from the filling valve 13, the electric cylinder 10 is controlled to extend a fixed distance, and the internal liquid is pressed by the push piece 11 to be injected into the main tank 502 through the filling valve 13. When mixing, the external motor and the reducer will slowly drive the inner shaft 503 to rotate, and the blades 505 installed with it through the sub-section 504 will slowly stir the internal stored liquid to avoid stratification or precipitation, and at the same time, the later added liquid can be evenly mixed with the stored liquid.

Claims

1. An intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection, comprising three suspensions (1) installed on the inner side of a greenhouse support, characterized in that: The bottom of the middle suspension (1) is fixedly connected to a control motor (2), the output end of the control motor (2) is fixedly connected to a screw rod (3), the outer side of the screw rod (3) is movably connected to an irrigation assembly (4), and the front side of the suspension (1) is provided with an irrigation tank assembly (5); The irrigation assembly (4) comprises a longitudinal frame (401), the front and rear sides of the longitudinal frame (401) are fixedly connected to a transverse frame (402), the inner side of the transverse frame (402) is slidably connected to a transverse frame (403), a main frame (404) is movably connected between the two transverse frames (403), a longitudinal pipe (405) is installed on the inner side of the main frame (404), and a nozzle (406) is installed at the bottom of the longitudinal pipe (405); The canning assembly (5) comprises a layer tank (501) and a main tank (502) arranged inside the layer tank (501), the two sides of the main tank (502) are fixedly connected by a metal frame, the inner side of the main tank (502) is rotatably connected to an inner shaft (503), the outer side of the inner shaft (503) is rotatably connected to the left side of the layer tank (501), the left side of the inner shaft (503) is externally connected to a driving motor and a reducer, and the inner shaft (503) is A sub-section (504) is fixedly connected to the outside, a blade (505) is fixedly connected to the outside of the sub-section (504), a heating wire (506) is fixedly connected to the outside of the main tank (502), a heat conducting pipe (507) is fixedly connected to the inside of the layer tank (501), the bottom of the left side of the heat conducting pipe (507) is movably connected to the inner shaft (503), and the right side of the inside of the heat conducting pipe (507) is arranged at the bottom of the inside of the main tank (502); The front side of the layer tank (501) is fixedly connected to a main pump (6), the input end of the main pump (6) is connected to the bottom of the inner side of the main tank (502), and the output end of the main pump (6) is connected to the longitudinal pipe (405) via a hose.

2. According to claim 1, an intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection is characterized by: The inner shaft (503) comprises a hollow shaft body (503a) and a connecting short shaft (503b); the left side of the hollow shaft body (503a) is rotatably connected to a slip ring (503c); the left side of the slip ring (503c) is rotatably connected to the connecting short shaft (503b); the inner side of the connecting short shaft (503b) is fixedly connected to a hollow frame (503d); the outer side of the hollow frame (503d) is fixedly connected to the hollow shaft body (503a).

3. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 2 is characterized by: A one-way valve (7) is installed on the inner side of the auxiliary section (504), and an auxiliary pump (8) is installed on the inner side of the heat conduction pipe (507). The auxiliary pump (8) is arranged on the right side of the tank filling assembly (5).

4. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 1 is characterized by: The top of the layer tank (501) is fixedly connected to a filling cylinder (9), the top of the filling cylinder (9) is fixedly connected to an electric cylinder (10), the telescopic end of the electric cylinder (10) is fixedly connected to a push piece (11), the bottom of the filling cylinder (9) is fixedly connected to the main tank (502), a discharge valve (12) is installed at the bottom of the inner side of the filling cylinder (9), and a filling valve (13) is installed on the right side of the filling cylinder (9).

5. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 1 is characterized by: An isolation cylinder (14) is fixedly connected to the inner side of the layer tank (501), and a heat-insulating cotton filling layer is provided between the isolation cylinder (14) and the layer tank (501).

6. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 1 is characterized by: A support frame (15) is fixedly connected to the top of the inner side of the main tank (502), and the inner side of the support frame (15) is rotatably connected to the inner shaft (503).

7. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 1 is characterized by: The bottoms of the suspensions (1) on both sides are fixedly connected with sliding rods (16), the bottoms of the sliding rods (16) and the screw rods (3) are provided with piles (17), the outer side of the cross frame (403) is slidably connected with a sub-beam (18), and the inner side of the sub-beam (18) is slidably connected with the sliding rods (16).

8. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 7 is characterized by: The bottom of the screw rod (3) is rotatably connected to a turntable (19), the bottom of the turntable (19) is fixedly connected to the middle pile (17), and the bottoms of the two sliding rods (16) are respectively fixedly connected to the tops of the piles (17) on both sides.

9. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 1 is characterized by: The outer side of the rear side transverse frame (403) is slidably connected to a sliding frame (20), the inner side of the sliding frame (20) is rotatably connected to a gear (21), the inner side of the rear side transverse frame (403) is fixedly connected to meshing teeth (22), the outer side of the meshing teeth (22) is meshingly connected to the gear (21), and the front side of the sliding frame (20) is fixedly connected to the main frame (404).

10. The intelligent greenhouse water and fertilizer irrigation device for online soil fertility detection according to claim 9, characterized in that: A control motor (23) is fixedly connected to the top of the sliding frame (20), an output end of the control motor (23) passes through the sliding frame (20) and is fixedly connected to the gear (21), and the front side of the main frame (404) is slidably connected to the inner side of the front side cross frame (403).

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