Accurate intelligent irrigation system based on NB-IoT

Abstract

The invention relates to the technical field of intelligent irrigation, and discloses an accurate intelligent irrigation system based on NB-IoT, which solves the problem that the irrigation range is small due to the fact that the position of a nozzle is generally fixed at present, and comprises a base, a plurality of universal wheels are mounted at the bottom of the base at equal angles, and a mounting seat is fixedly mounted at the top of the base. A central controller and an NB-IoT communication module are mounted on the mounting seat, a water tank is fixedly mounted on the top of the base, a water injection pipe is fixedly mounted on the top of the water tank, a spraying mechanism is arranged on the water tank, an adjusting mechanism is arranged on the spraying mechanism, the spraying mechanism comprises an L-shaped plate fixed to the top of the water tank, and a supporting shaft is rotatably connected to the top of the L-shaped plate; a vertical cylinder is fixedly connected to the top end of the supporting shaft, and a U-shaped plate is mounted on the vertical cylinder; according to the device, through cooperation of the toothed plate and the gear and cooperation of the supporting shaft and the vertical cylinder, the two spraying pipes can horizontally rotate in a reciprocating mode conveniently, and therefore the irrigation range can be expanded conveniently.

Description

Technical Field

[0001] The present invention belongs to the technical field of intelligent irrigation, and specifically relates to a precise intelligent irrigation system based on NB-IoT. Background Art

[0002] For the irrigation industry, water and fertilizer are also understood as water-fertilizer integration. In a narrow sense, it means applying fertilizer through the irrigation system. Crops absorb nutrients while absorbing water. Fertilization, which is usually carried out simultaneously with irrigation, is achieved by injecting fertilizer solution into the irrigation water pipeline under pressure. In a broad sense, it means dissolving the fertilizer and then applying it, including sprinkling, pouring, spraying, and pipeline application. For the growth process of crops, irrigation is an indispensable link.

[0003] The existing technology usually implements irrigation by spraying water and fertilizer on crops through sprinklers, but the positions of sprinklers are generally fixed, resulting in a smaller irrigation range. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a precise intelligent irrigation system based on NB-IoT, which effectively solves the problem that the position of the current sprinkler is generally fixed, resulting in a small irrigation range.

[0005] To achieve the above object, the present invention provides the following technical solutions: a precise intelligent irrigation system based on NB-IoT, comprising a base, a plurality of universal wheels are installed at equal angles on the bottom of the base, a mounting seat is fixedly installed on the top of the base, a central controller and an NB-IoT communication module are installed on the mounting seat, a water tank is fixedly installed on the top of the base, a water injection pipe is fixedly installed on the top of the water tank, a spraying mechanism is provided on the water tank, and an adjustment mechanism is provided on the spraying mechanism;

[0006] The spraying mechanism includes an L-shaped plate fixed to the top of the water tank, the top of the L-shaped plate is rotatably connected to a support shaft, the top of the support shaft is fixedly connected to a vertical cylinder, a U-shaped plate is installed on the vertical cylinder, a lifting assembly is provided between the U-shaped plate and the vertical cylinder, two support blocks are symmetrically fixedly connected to the top of the U-shaped plate, a top pipe is fixedly connected between the two support blocks, both ends of the top pipe are fixedly connected to connecting pipes, the ends of the two connecting pipes away from the top pipes are fixedly connected to nozzles, a plurality of spray holes are evenly spaced on the two nozzles, a stirring motor is fixedly installed on the inner top wall of the L-shaped plate, a stirring shaft is fixedly connected to the stirring motor, the bottom end of the stirring shaft extends to the inside of the water tank, a plurality of stirring rods located inside the water tank are evenly fixedly connected to the outside of the stirring shaft, a sealed bearing is provided on the top of the water tank, and the sealed bearing is sleeved on the outside of the stirring shaft.

[0007] Preferably, a water pump is fixedly installed on the top of the water tank, a water pumping pipe is fixedly connected between the water pump and the water tank, and a water delivery pipe is fixedly connected between the water pump and the top pipe.

[0008] Preferably, a slide rod is fixedly connected to the outer side of the L-shaped plate, a slide plate is movably sleeved on the outer side of the slide rod, a tooth plate is fixedly connected to the side of the slide plate close to the support shaft, a gear is fixedly installed on the outer side of the support shaft, and the gear is meshingly connected to the tooth plate.

[0009] Preferably, the top of the base is rotatably connected to a rotating shaft, a conveyor belt is transmission-connected between the rotating shaft and the stirring shaft, the top of the rotating shaft is fixedly connected to a top plate, the top of the top plate is rotatably connected to a movable rod, and the end of the movable rod away from the top plate is rotatably connected to the top of the slide.

[0010] Preferably, the lifting assembly includes two through slots symmetrically arranged on the vertical cylinder, the inner sides of the two through slots are fixedly connected with inner rods, the outer sides of the two inner rods are movably sleeved with lifting plates, and the U-shaped plate is fixed between the tops of the two lifting plates.

[0011] Preferably, a lifting motor is fixedly installed on the inner bottom wall of the vertical cylinder, a screw is fixedly connected to the lifting motor, the top of the screw is rotatably connected to the inner top wall of the vertical cylinder, a screw sleeve is threadedly sleeved on the outer side of the screw, and two lifting plates are fixed to the outside of the screw sleeve.

[0012] Preferably, the adjustment mechanism includes a mounting tube fixed to the outside of the U-shaped plate, the mounting tube is fixedly sleeved on the outside of the top pipe, the top of the mounting tube is symmetrically rotatably connected to two rotating plates, and the ends of the two nozzles close to each other are fixedly connected to the two rotating plates respectively.

[0013] Preferably, a U-shaped round rod is fixedly connected to the outer side of the mounting tube, and an adjustment plate located directly above the mounting tube is movably sleeved on the outer side of the U-shaped round rod. Two drive rods are symmetrically rotatably connected to the outer side of the adjustment plate, and the ends of the two drive rods away from the adjustment plate are respectively rotatably connected to the two rotating plates.

[0014] Preferably, a sleeve block is fixedly sleeved on the middle part of the outer side of the U-shaped round rod, the sleeve block is located directly above the adjustment plate, and a cylinder is fixedly installed between the sleeve block and the adjustment plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention facilitates the water and fertilizer in the water tank to be sprayed out from each spray hole to irrigate the crops through the cooperation between the water pump, the water pump, the water delivery pipe, the top pipe, the connecting pipe and the spray pipe, and facilitates the water and fertilizer solution in the water tank to be fully stirred and mixed through the cooperation between the stirring motor, the stirring shaft and the stirring rod, and facilitates the sliding of the slide plate along the sliding rod through the cooperation between the conveyor belt and the rotating shaft and the top plate and the movable rod, and facilitates the reciprocating horizontal rotation of the two spray pipes through the cooperation between the tooth plate and the gear and the support shaft and the vertical cylinder, thereby facilitating the expansion of the irrigation range.

[0017] 2. The invention facilitates the two lifting plates to slide along the two inner rods respectively through the cooperation between the lifting motor, the screw rod and the screw sleeve, and then can drive the top pipe to move through the U-shaped plate, so as to facilitate the adjustment of the height of the nozzle according to the growth conditions of the crop.

[0018] 3. The invention facilitates the rotation of the two rotating plates on the top of the mounting tube through the cooperation between the cylinder and the adjusting plate and the U-shaped round rod and the driving rod, and then the inclination angle of the two nozzles can be adjusted, so as to improve the irrigation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0020] In the attached picture:

[0021] Figure 1 This is a structural schematic diagram of the precise intelligent irrigation system based on NB-IoT of the present invention;

[0022] Figure 2 It is a schematic diagram of the spraying mechanism structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the pipe jacking structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the L-shaped plate structure of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the lifting assembly of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the regulating mechanism of the present invention.

[0027] In the figure: 1, base; 2, spraying mechanism; 201, L-shaped plate; 202, lifting assembly; 20201, through groove; 20202, inner rod; 20203, lifting plate; 20204, screw rod; 20205, screw sleeve; 20206, lifting motor; 203, vertical cylinder; 204, U-shaped plate; 205, top pipe; 206, spray pipe; 207, water pipe; 208, stirring motor; 209, water pump; 2010, water pump; 2011, stirring rod; 2012, stirring shaft; 2013, sealed bearing; 2014, conveyor belt; 2015, Rotating shaft; 2016, top plate; 2017, supporting block; 2018, connecting pipe; 2019, spray hole; 2020, movable rod; 2021, slide plate; 2022, supporting shaft; 2023, tooth plate; 2024, gear; 2025, slide rod; 3, adjusting mechanism; 301, mounting cylinder; 302, adjusting plate; 303, U-shaped round rod; 304, sleeve block; 305, cylinder; 306, driving rod; 307, rotating plate; 4, water injection pipe; 5, mounting seat; 6, central controller; 7, NB-IoT communication module; 8, universal wheel; 9, water tank. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described 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; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Embodiment 1, by Figure 1-Figure 6 The present invention relates to a precise intelligent irrigation system based on NB-IoT, comprising a base 1, a plurality of universal wheels 8 are installed at equal angles on the bottom of the base 1, a mounting seat 5 is fixedly installed on the top of the base 1, a central controller 6 and an NB-IoT communication module 7 are installed on the mounting seat 5, a water tank 9 is fixedly installed on the top of the base 1, a water injection pipe 4 is fixedly installed on the top of the water tank 9, a spraying mechanism 2 is provided on the water tank 9, and an adjusting mechanism 3 is provided on the spraying mechanism 2;

[0030] The output end of the central controller 6 is electrically connected to an information collection module, which includes sensors and alarms to ensure timely irrigation when crops are dry. The NB-IoT communication module 7 can effectively reduce system losses generated during wireless transmission, support data connections of low-power systems in wide area networks, and provide very comprehensive cellular data connection coverage.

[0031] Embodiment 2, on the basis of embodiment 1, the spray mechanism 2 comprises an L-shaped plate 201 fixed to the top of the water tank 9, the top of the L-shaped plate 201 is rotatably connected to a support shaft 2022, the top of the support shaft 2022 is fixedly connected to a vertical cylinder 203, a U-shaped plate 204 is installed on the vertical cylinder 203, a lifting assembly 202 is provided between the U-shaped plate 204 and the vertical cylinder 203, the top of the U-shaped plate 204 is symmetrically fixedly connected to two support blocks 2017, a top pipe 205 is fixedly connected between the two support blocks 2017, and both ends of the top pipe 205 are fixedly connected There is a connecting pipe 2018, and one end of the two connecting pipes 2018 away from the top pipe 205 is fixedly connected to the nozzle 206, and a plurality of spray holes 2019 are evenly spaced on the two nozzles 206. A stirring motor 208 is fixedly installed on the inner top wall of the L-shaped plate 201, and a stirring shaft 2012 is fixedly connected to the stirring motor 208. The bottom end of the stirring shaft 2012 extends to the inside of the water tank 9, and the outer side of the stirring shaft 2012 is evenly fixedly connected with a plurality of stirring rods 2011 located inside the water tank 9. A sealed bearing 2013 is provided on the top of the water tank 9. The sealed shaft The bearing 2013 is sleeved on the outside of the stirring shaft 2012. The sealing performance of the water tank 9 is ensured by setting the sealing bearing 2013. A water pump 209 is fixedly installed on the top of the water tank 9. A water pump 2010 is fixedly connected between the water pump 209 and the water tank 9. A water delivery pipe 207 is fixedly connected between the water pump 209 and the top pipe 205. The water delivery pipe 207 and the two connecting pipes 2018 are all corrugated hoses. A sliding rod 2025 is fixedly connected to the outside of the L-shaped plate 201. A slide plate 2021 is movably sleeved on the outside of the slide rod 225. The slide plate 2021 is close to the support A tooth plate 2023 is fixedly connected to one side of the shaft 2022, a gear 2024 is fixedly installed on the outer side of the support shaft 2022, the gear 2024 is meshed and connected with the tooth plate 2023, the top of the base 1 is rotatably connected to the rotating shaft 2015, the rotating shaft 2015 and the stirring shaft 2012 are connected by a conveyor belt 2014, the top of the rotating shaft 2015 is fixedly connected to the top plate 2016, the top of the top plate 2016 is rotatably connected to the movable rod 2020, and the end of the movable rod 2020 away from the top plate 2016 is rotatably connected to the top of the slide plate 2021;

[0032] First, the water pump 209 is started to extract the water and fertilizer in the water tank 9 through the water pumping pipe 2010. The water and fertilizer enter the two nozzles 206 through the water delivery pipe 207, the top pipe 205 and the two connecting pipes 2018. Then the water and fertilizer are sprayed out from each spray hole 2019 to irrigate the crops. Then the stirring motor 208 is started to drive the stirring shaft 2012 to rotate, and drive the stirring rod 2011 to rotate to fully stir and mix the water and fertilizer solution in the water tank 9. When the stirring shaft 2012 rotates, the conveyor belt 2014 drives the rotating shaft 2015 to rotate, and the top plate 2016 rotates at the same time. Then, the movable rod 2020 drives the slide plate 2021 to slide back and forth on the slide rod 2025, and the tooth plate 2023 moves horizontally. Since the tooth plate 2023 is meshed and connected with the gear 2024, the support shaft 2022 is driven to rotate, and the reciprocating rotation of the two nozzles 206 is realized, and finally the irrigation range is expanded.

[0033] Embodiment 3, on the basis of embodiment 1, the lifting assembly 202 includes two through grooves 20201 symmetrically arranged on the vertical cylinder 203, the inner sides of the two through grooves 20201 are fixedly connected with inner rods 20202, the outer sides of the two inner rods 20202 are movably sleeved with lifting plates 20203, the U-shaped plate 204 is fixed between the tops of the two lifting plates 20203, a lifting motor 20206 is fixedly installed on the inner bottom wall of the vertical cylinder 203, a screw rod 20204 is fixedly connected to the lifting motor 20206, the top end of the screw rod 20204 is rotatably connected to the inner top wall of the vertical cylinder 203, the outer side of the screw rod 20204 is threadedly sleeved with a screw sleeve 20205, and the two lifting plates 20203 are fixed to the outer sides of the screw sleeve 20205;

[0034] First, start the lifting motor 20206 to drive the screw 20204 to rotate, and drive the two lifting plates 20203 to slide along the two inner rods 20202 respectively through the screw sleeve 20205. At the same time, the U-shaped plate 204 moves longitudinally and drives the top pipe 205 to move longitudinally. At the same time, the height of the two nozzles 206 changes. Finally, the height of the nozzle 206 is adjusted according to the growth condition of the crop.

[0035] Embodiment 4, on the basis of embodiment 1, the adjustment mechanism 3 includes a mounting cylinder 301 fixed to the outside of the U-shaped plate 204, the mounting cylinder 301 is fixedly sleeved on the outside of the top pipe 205, the top of the mounting cylinder 301 is symmetrically rotatably connected to two rotating plates 307, the ends of the two nozzles 206 close to each other are respectively fixedly connected to the two rotating plates 307, the outside of the mounting cylinder 301 is fixedly connected to a U-shaped round rod 303, the outside of the U-shaped round rod 303 is movably sleeved with an adjustment plate 302 located directly above the mounting cylinder 301, the outside of the adjustment plate 302 is symmetrically rotatably connected to two driving rods 306, the ends of the two driving rods 306 away from the adjustment plate 302 are respectively rotatably connected to the two rotating plates 307, the middle part of the outside of the U-shaped round rod 303 is fixedly sleeved with a sleeve block 304, the sleeve block 304 is located directly above the adjustment plate 302, and a cylinder 305 is fixedly installed between the sleeve block 304 and the adjustment plate 302;

[0036] First, start the cylinder 305 to drive the adjustment plate 302 to slide along the U-shaped round rod 303, and drive the two rotating plates 307 to rotate on the top of the installation tube 301 through the two driving rods 306. At the same time, the two nozzles 206 are rotated to adjust the tilt angle, finally improving the irrigation effect.

Claims

1. A precise intelligent irrigation system based on NB-IoT, comprising a base (1), characterized in that: A plurality of universal wheels (8) are mounted at equal angles on the bottom of the base (1); a mounting seat (5) is fixedly mounted on the top of the base (1); a central controller (6) and an NB-IoT communication module (7) are mounted on the mounting seat (5); a water tank (9) is fixedly mounted on the top of the base (1); a water injection pipe (4) is fixedly mounted on the top of the water tank (9); a spraying mechanism (2) is mounted on the water tank (9); and an adjusting mechanism (3) is mounted on the spraying mechanism (2); The spraying mechanism (2) comprises an L-shaped plate (201) fixed to the top of the water tank (9), the top of the L-shaped plate (201) is rotatably connected to a support shaft (2022), the top of the support shaft (2022) is fixedly connected to a vertical cylinder (203), a U-shaped plate (204) is installed on the vertical cylinder (203), a lifting assembly (202) is provided between the U-shaped plate (204) and the vertical cylinder (203), the top of the U-shaped plate (204) is symmetrically fixedly connected to two support blocks (2017), a top pipe (205) is fixedly connected between the two support blocks (2017), both ends of the top pipe (205) are fixedly connected to connecting pipes (2018), and the two connecting pipes (2018) are fixedly connected to each other. 18) are fixedly connected to one end away from the top pipe (205) with a nozzle (206), and a plurality of nozzle holes (2019) are evenly spaced on the two nozzles (206). A stirring motor (208) is fixedly installed on the inner top wall of the L-shaped plate (201), and a stirring shaft (2012) is fixedly connected to the stirring motor (208). The bottom end of the stirring shaft (2012) extends to the inside of the water tank (9), and a plurality of stirring rods (2011) located inside the water tank (9) are evenly fixedly connected to the outside of the stirring shaft (2012). A sealed bearing (2013) is provided on the top of the water tank (9), and the sealed bearing (2013) is sleeved on the outside of the stirring shaft (2012).

2. According to claim 1, a precise intelligent irrigation system based on NB-IoT is characterized in that: A water pump (209) is fixedly installed on the top of the water tank (9), a water pumping pipe (2010) is fixedly connected between the water pump (209) and the water tank (9), and a water delivery pipe (207) is fixedly connected between the water pump (209) and the top pipe (205).

3. The NB-IoT-based precise intelligent irrigation system according to claim 1, characterized in that: The outer side of the L-shaped plate (201) is fixedly connected to a sliding rod (2025), the outer side of the sliding rod (2025) is movably sleeved with a sliding plate (2021), a side of the sliding plate (2021) close to the support shaft (2022) is fixedly connected to a toothed plate (2023), the outer side of the support shaft (2022) is fixedly installed with a gear (2024), and the gear (2024) is meshingly connected to the toothed plate (2023).

4. The NB-IoT-based precise intelligent irrigation system according to claim 1, characterized in that: The top of the base (1) is rotatably connected to a rotating shaft (2015), a conveyor belt (2014) is transmission-connected between the rotating shaft (2015) and the stirring shaft (2012), the top of the rotating shaft (2015) is fixedly connected to a top plate (2016), the top of the top plate (2016) is rotatably connected to a movable rod (2020), and one end of the movable rod (2020) away from the top plate (2016) is rotatably connected to the top of a slide plate (221).

5. The NB-IoT-based precise intelligent irrigation system according to claim 1, characterized in that: The lifting assembly (202) comprises two through slots (20201) symmetrically arranged on the vertical cylinder (203), the inner sides of the two through slots (20201) are fixedly connected with inner rods (20202), the outer sides of the two inner rods (20202) are movably sleeved with lifting plates (20203), and the U-shaped plate (204) is fixed between the tops of the two lifting plates (20203).

6. The NB-IoT-based precise intelligent irrigation system according to claim 1, characterized in that: A lifting motor (20206) is fixedly mounted on the inner bottom wall of the vertical cylinder (203), a screw rod (20204) is fixedly connected to the lifting motor (20206), the top end of the screw rod (20204) is rotatably connected to the inner top wall of the vertical cylinder (203), a screw sleeve (20205) is threadedly sleeved on the outer side of the screw rod (20204), and two lifting plates (20203) are fixed to the outer side of the screw sleeve (20205).

7. The NB-IoT-based precision intelligent irrigation system according to claim 1, characterized in that: The regulating mechanism (3) comprises a mounting tube (301) fixed to the outside of the U-shaped plate (204); the mounting tube (301) is fixedly sleeved on the outside of the top pipe (205); the top of the mounting tube (301) is symmetrically rotatably connected to two rotating plates (307); and the ends of the two nozzles (206) close to each other are fixedly connected to the two rotating plates (307) respectively.

8. The NB-IoT-based precision intelligent irrigation system according to claim 7, characterized in that: The outer side of the installation cylinder (301) is fixedly connected to a U-shaped round rod (303), and the outer side of the U-shaped round rod (303) is movably sleeved with an adjustment plate (302) located directly above the installation cylinder (301). The outer side of the adjustment plate (302) is symmetrically rotatably connected to two driving rods (306), and the ends of the two driving rods (306) away from the adjustment plate (302) are respectively rotatably connected to two rotating plates (307).

9. The NB-IoT-based precise intelligent irrigation system according to claim 8, characterized in that: A sleeve block (304) is fixedly sleeved on the middle part of the outer side of the U-shaped round rod (303), and the sleeve block (304) is located directly above the adjustment plate (302). A cylinder (305) is fixedly installed between the sleeve block (304) and the adjustment plate (302).

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